/* roulang page: index */
:root {
    --primary: #2563EB;
    --primary-hover: #1D4ED8;
    --primary-light: #EFF4FF;
    --primary-focus: rgba(37, 99, 235, 0.25);
    --golden: #E5A43C;
    --success: #16A34A;
    --dark: #0B1F35;
    --dark-secondary: #132A43;
    --bg: #F4F7FA;
    --card-bg: #FFFFFF;
    --text-primary: #0F172A;
    --text-secondary: #596579;
    --text-muted: #8A94A6;
    --text-on-dark: #E8EEF5;
    --border: #E2E8F0;
    --border-light: #EDF1F6;
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 8px;
    --radius-pill: 999px;
    --shadow-card: 0 2px 12px rgba(11, 31, 53, 0.06);
    --shadow-hover: 0 10px 32px rgba(11, 31, 53, 0.10);
    --shadow-gold: 0 12px 32px rgba(229, 164, 60, 0.16);
    --sidebar-width: 272px;
    --content-max: 1280px;
    --transition: all 0.22s ease;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
    background-color: var(--bg);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img, svg, video {
    max-width: 100%;
    display: block;
    height: auto;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
    cursor: pointer;
}

a:hover {
    color: var(--primary-hover);
}

button {
    font-family: inherit;
    border: none;
    cursor: pointer;
    background: none;
    line-height: 1;
}

input, select, textarea {
    font-family: inherit;
    font-size: 15px;
    line-height: 1.5;
}

ul, ol {
    list-style: none;
    padding: 0;
    margin: 0;
}

h1, h2, h3, h4, h5 {
    line-height: 1.3;
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 0;
}

button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, [tabindex]:focus-visible {
    outline: 3px solid var(--primary-focus);
    outline-offset: 2px;
    border-radius: 4px;
}

/* 布局框架 */
.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--dark);
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    color: var(--text-on-dark);
    transition: transform 0.28s ease;
}

.main-content {
    margin-left: 272px;
    width: calc(100% - 272px);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

.main-content .container {
    flex: 1 0 auto;
}

.container {
    max-width: var(--content-max);
    margin: 0 auto;
    padding-left: 32px;
    padding-right: 32px;
    width: 100%;
}

/* 侧栏 Logo */
.sidebar-logo {
    padding: 24px 20px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    min-height: 88px;
    margin-bottom: 12px;
    flex-shrink: 0;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #3B82F6, #2563EB);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.logo-icon::before {
    content: "九";
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    position: relative;
    z-index: 2;
}

.logo-icon::after {
    content: "";
    position: absolute;
    top: -6px;
    right: -6px;
    width: 18px;
    height: 18px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
}

.logo-text {
    flex: 1;
    min-width: 0;
}

.logo-text .site-name {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: #fff;
    white-space: nowrap;
}

.logo-text .site-sub {
    font-size: 12px;
    color: var(--golden);
    margin-top: 2px;
    letter-spacing: 0.04em;
}

/* 侧栏导航 */
.sidebar-nav-wrap {
    flex: 1;
    overflow-y: auto;
    padding: 12px 16px;
}

.sidebar-nav-wrap::-webkit-scrollbar {
    width: 4px;
}

.sidebar-nav-wrap::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-nav-wrap::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.15);
    border-radius: 4px;
}

.sidebar-nav-title {
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.45);
    padding: 12px 8px 8px;
    font-weight: 500;
}

.nav-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 16px;
    height: 44px;
    border-radius: var(--radius-md);
    color: #B7C5D4;
    font-size: 15px;
    font-weight: 400;
    line-height: 1;
    transition: all 0.2s ease;
    position: relative;
}

.nav-item a i {
    width: 20px;
    text-align: center;
    font-size: 16px;
    flex-shrink: 0;
}

.nav-item a:hover {
    background: rgba(255,255,255,0.08);
    color: #FFFFFF;
    text-decoration: none;
}

.nav-item a.active {
    background: rgba(255,255,255,0.12);
    color: #FFFFFF;
    font-weight: 500;
}

.nav-item a.active::before {
    content: "";
    display: block;
    width: 3px;
    height: 20px;
    background: var(--golden);
    border-radius: 0 3px 3px 0;
    position: absolute;
    left: -16px;
    top: 50%;
    transform: translateY(-50%);
}

.nav-item a.active i {
    color: var(--golden);
}

/* 侧栏底部 */
.sidebar-bottom {
    padding: 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
}

.sidebar-bottom .contact {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-bottom .contact i {
    margin-right: 6px;
    font-size: 12px;
}

.sidebar-bottom .copyright {
    font-size: 12px;
    color: rgba(255,255,255,0.3);
    margin-top: 8px;
    padding-top: 12px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

/* 汉堡按钮 - 移动端 */
.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    border: 1px solid var(--border);
    background: #fff;
    transition: all 0.2s;
    flex-shrink: 0;
}

.menu-toggle:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

/* 遮罩 */
.toggle-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(11, 31, 53, 0.5);
    z-index: 99;
    opacity: 0;
    transition: opacity 0.25s ease;
}

body.drawer-open .toggle-overlay {
    display: block;
    opacity: 1;
}

body.is-locked {
    overflow: hidden;
}

/* 移动端顶部 */
.mobile-topbar {
    display: none;
    position: sticky;
    top: 0;
    z-index: 80;
    height: 64px;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 8px rgba(11,31,53,0.04);
}

.mobile-topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 0 16px;
    height: 100%;
}

.mobile-topbar .logo-text {
    display: flex;
    flex-direction: column;
}

.mobile-topbar .site-name {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.mobile-topbar .site-sub {
    font-size: 11px;
    color: var(--golden);
}

/* 公用顶部条 */
.page-home .sidebar-logo a,
.page-inner .sidebar-logo a {
    color: #fff;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* 内容区页头 (首页不需要) */
.inner-page-header {
    background: #fff;
    padding: 44px 0;
    border-bottom: 1px solid var(--border-light);
}

.inner-page-header h1 {
    font-size: clamp(30px, 3vw, 40px);
    line-height: 1.25;
    margin-bottom: 12px;
}

.inner-page-header p {
    color: var(--text-secondary);
    font-size: 16px;
    max-width: 700px;
}

/* 内容包裹 */
.inner-container {
    padding: 0 !important;
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
    padding-left: 4rem;
    padding-right: 4rem;
}

/* 底部导航区域（桌面隐藏，移动显示关闭） */
.sidebar-close-btn {
    display: none;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    color: #fff;
}

body.sidebar-open {
    transform: translateX(0) !important;
}

/* ============ 首页 Hero ============ */
.hero-section {
    min-height: calc(100vh - 40px);
    min-height: 620px;
    background-color: #F0F4FC;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 0 0 40px;
}

.hero-bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(37, 99, 235, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.05) 1px, transparent 1px);
    background-size: 36px 36px;
    pointer-events: none;
}

.hero-bg-dec {
    position: absolute;
    width: 420px;
    height: 420px;
    right: -140px;
    top: -100px;
    background: radial-gradient(circle, rgba(37,99,235,0.12), transparent 60%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 48px;
    width: 100%;
}

.hero-left {
    flex: 1 1 55%;
    min-width: 0;
}

.hero-left .badge-live {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.15);
    color: var(--primary);
    border-radius: var(--radius-pill);
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 20px;
    animation: pulse 2.5s ease-in-out infinite;
}

.badge-live .dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: blink 1.5s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-left h1 {
    font-size: clamp(34px, 4.5vw, 48px);
    line-height: 1.22;
    color: var(--text-primary);
    margin-bottom: 12px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.hero-left h1 .highlight {
    color: var(--primary);
    position: relative;
    white-space: nowrap;
}

.hero-left h1 .highlight::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 8px;
    background: rgba(37,99,235,0.15);
    border-radius: 4px;
    z-index: -1;
}

.hero-lead {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 28px;
    margin-top: 14px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.btn-primary, .btn-outline, .btn-white, .btn-gold, .btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 24px;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-md);
    line-height: 1;
    cursor: pointer;
    transition: all 0.22s ease;
    position: relative;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary);
    color: #FFFFFF;
    border: 1px solid var(--primary);
    box-shadow: 0 2px 4px rgba(37,99,235,0.15);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(37,99,235,0.22);
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(37,99,235,0.5);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

.btn-white {
    background: #fff;
    color: var(--primary);
    border: 1px solid transparent;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.btn-white:hover {
    background: #f5f8fc;
    color: var(--primary-hover);
    box-shadow: 0 6px 16px rgba(0,0,0,0.08);
}

.btn-gold {
    background: var(--golden);
    color: #fff;
    border: 1px solid transparent;
    box-shadow: 0 4px 12px rgba(229,164,60,0.25);
}

.btn-gold:hover {
    background: #c9932e;
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(229,164,60,0.28);
}

.btn-ghost {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
}

.btn-ghost i {
    color: var(--primary);
}

.btn-ghost:hover {
    background: rgba(255,255,255,0.1);
    color: var(--primary);
}

.btn .btn-text-arrow {
    transition: transform 0.2s ease;
    display: inline-block;
}

.btn-primary:hover .btn-text-arrow, .btn-gold:hover .btn-text-arrow {
    transform: translateX(4px);
}

.btn-sm {
    height: 38px;
    padding: 0 16px;
    font-size: 14px;
}

.btn-xs {
    height: 32px;
    padding: 0 12px;
    font-size: 13px;
    border-radius: 8px;
}

.btn-lg {
    height: 54px;
    padding: 0 36px;
    font-size: 16px;
}

/* Hero 信任 */
.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    list-style: none;
    padding: 0;
    margin: 0;
    margin-top: 20px;
}

.hero-trust li {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
    white-space: nowrap;
}

.hero-trust li i {
    color: var(--success);
    font-size: 14px;
}

/* Hero 右 */
.hero-right {
    flex: 1 1 45%;
    min-width: 0;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 500px;
}

.hero-visual {
    position: relative;
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 56px rgba(11,31,53,0.14);
    background-color: #fff;
    aspect-ratio: 4/3;
}

.hero-visual img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
}

.hero-float-card {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: rgba(11,31,53,0.82);
    backdrop-filter: none;
    border-radius: 12px;
    padding: 12px 16px;
    color: #fff;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 200px;
}

.hero-float-card .float-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(37,99,235,0.5);
    color: #fff;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.hero-float-card .card-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.hero-float-card .card-title {
    font-size: 13px;
    font-weight: 600;
}

.hero-float-card .card-value {
    font-size: 16px;
    font-weight: 700;
    color: #7EE0A3;
    font-variant-numeric: tabular-nums;
}

/* 实时动态条 */
.live-status-bar {
    background: #fff;
    border-bottom: 1px solid var(--border-light);
    padding: 14px 0;
    position: relative;
    z-index: 10;
}

.live-status-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    width: 100%;
    flex-wrap: wrap;
}

.live-status-inner .status-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-pill);
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 500;
    flex-shrink: 0;
}

.live-status-inner .status-tag i {
    font-size: 16px;
    color: var(--primary);
}

.live-status-marquee {
    flex: 1;
    overflow: hidden;
    white-space: nowrap;
    min-width: 0;
}

.live-status-marquee .scroll-wrap {
    display: inline-block;
    white-space: nowrap;
    animation: ticker 30s linear infinite;
}

.live-status-marquee span {
    padding-right: 44px;
    font-size: 14px;
    color: var(--text-muted);
}

.live-status-marquee span i {
    color: var(--success);
    margin-right: 4px;
}

.live-status-inner .status-ico {
    margin-left: auto;
    font-size: 14px;
    color: var(--text-muted);
    white-space: nowrap;
    display: inline-flex;
    gap: 10px;
    align-items: center;
    flex-shrink: 0;
}

@keyframes ticker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ============ 通用板块样式 ============ */
.main-section {
    padding: 96px 0;
}

.section-head {
    margin-bottom: 48px;
}

.section-head .section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--primary);
    background: var(--primary-light);
    border-radius: var(--radius-pill);
    padding: 6px 14px;
    font-weight: 500;
    margin-bottom: 16px;
}

.section-head .section-eyebrow i {
    color: var(--primary);
}

.section-head h2 {
    font-size: clamp(28px, 3.4vw, 38px);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 14px;
    letter-spacing: -0.01em;
}

.section-head .section-lead {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 640px;
    line-height: 1.7;
}

.section-head .section-lead span {
    background-image: linear-gradient(transparent 65%, rgba(229,164,60,0.25));
}

.section-footer-link {
    text-align: center;
    margin-top: 40px;
}

.section-footer-link a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-size: 15px;
    font-weight: 500;
}

.section-footer-link a i {
    transition: transform 0.2s;
}

.section-footer-link a:hover i {
    transform: translateX(4px);
}

/* ============ 功能网格 ============ */
.feature-band {
    background: #F0F4FC;
    padding: 96px 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
    margin-top: 16px;
}

.feature-grid .feature-card {
    grid-column: span 6;
}

.feature-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-card);
    transition: all 0.22s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.feature-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
    border-color: var(--primary);
}

.feature-card .f-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 18px;
    flex-shrink: 0;
}

.feature-card .f-tags {
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
    display: flex;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.feature-card .f-desc {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 16px;
    padding-right: 8px;
}

.feature-card .f-more {
    margin-top: auto;
    color: var(--primary);
    font-size: 14px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
}

.feature-card .f-more i {
    transition: transform 0.2s;
    font-size: 14px;
}

.feature-card .f-more:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

.feature-card .f-more:hover i {
    transform: translateX(4px);
}

/* 统计数字卡 */
.stats-combo {
    grid-column: span 4;
    grid-row: span 2;
    background: #0B1F35;
    color: #fff;
    border-radius: 16px;
    padding: 28px;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 250px;
    box-shadow: var(--shadow-hover);
}

.stats-combo h3 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 20px;
}

.stats-combo p {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 24px;
}

.stats-row {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-item {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.stat-item:last-child {
    border-bottom: none;
    padding-bottom: 2px;
}

.stat-item .label {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
}

.stat-item .value {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.02em;
}

.stat-item .value span {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,0.8);
    margin-left: 2px;
}

.mini-stats-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    grid-column: span 12;
}

.mini-stat-card {
    background: #fff;
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid var(--border-light);
}

.mini-stat-card i {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 16px;
}

.mini-stat-card .ms-label {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.3;
}

.mini-stat-card .ms-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
    line-height: 1.3;
}

/* ============ 场景区 ============ */
.scenes-section {
    background: #fff;
}

.scene-item {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 48px;
    position: relative;
}

.scene-item:last-child {
    margin-bottom: 0;
}

.scene-num {
    font-size: 44px;
    font-weight: 700;
    color: transparent;
    -webkit-text-stroke: 1.5px rgba(37, 99, 235, 0.45);
    flex-shrink: 0;
    position: absolute;
    left: -64px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    font-variant-numeric: tabular-nums;
}

.scene-text {
    flex: 1;
    min-width: 0;
    padding-right: 20px;
}

.scene-text .scene-index {
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: 0.04em;
}

.scene-text h3 {
    font-size: 22px;
    margin-bottom: 8px;
    font-weight: 600;
}

.scene-text p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 14px;
}

.scene-text .scene-point-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.scene-point-list span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(37,99,235,0.05);
    border: 1px solid rgba(37,99,235,0.1);
    color: var(--text-secondary);
    border-radius: 999px;
    padding: 4px 12px;
    font-size: 13px;
}

.scene-point-list span i {
    color: var(--success);
    font-size: 11px;
}

.scene-visual {
    flex: 1;
    min-width: 0;
    position: relative;
}

.scene-img-card {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    position: relative;
    border: 1px solid var(--border);
    aspect-ratio: 16/10;
    background: #F0F4FC;
}

.scene-img-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.scene-img-card .cover-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 56px;
    color: rgba(255,255,255,0.8);
    z-index: 1;
}

.scene-img-card .img-sheen {
    position: absolute;
    inset: 0;
    background: linear-gradient(130deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 40%);
}

.scene-card-float {
    position: absolute;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(11,31,53,0.12);
    padding: 10px 12px;
    font-size: 13px;
    color: var(--text-secondary);
    z-index: 3;
    right: -10px;
    bottom: 20px;
    line-height: 1.4;
    border-left: 3px solid var(--golden);
}

.scene-card-float i {
    color: var(--success);
    margin-right: 4px;
}

.scene-item:nth-child(even) .scene-visual {
    order: -1;
}

.scene-item:nth-child(even) .scene-num {
    left: auto;
    right: -64px;
}

/* ============ 成功案例 ============ */
.case-section {
    background: #0B1F35;
    overflow: hidden;
    position: relative;
}

.case-section::before {
    content: "";
    position: absolute;
    right: 15%;
    top: -15%;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37,99,235,0.2), transparent 70%);
    pointer-events: none;
}

.case-section .section-head h2,
.case-section .section-head .section-lead {
    color: #fff;
}

.case-section .section-eyebrow {
    background: rgba(255,255,255,0.15);
    color: #fff;
}

.case-section .section-eyebrow i {
    color: #7FF0AE;
}

.metrics-dashboard {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 56px;
}

.metric-card {
    background: rgba(255,255,255,0.05);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.08);
    transition: all 0.22s ease;
}

.metric-card:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-4px);
    border-color: rgba(255,255,255,0.15);
}

.metric-card .m-header {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 8px;
}

.metric-card .m-value {
    font-size: 40px;
    font-weight: 700;
    color: #fff;
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
}

.metric-card .m-value sup {
    font-size: 18px;
    color: #fff;
    margin-left: 4px;
}

.metric-card .m-label {
    font-size: 13px;
    color: rgba(255,255,255,0.55);
    margin-top: 8px;
}

.metric-card .m-extra {
    font-size: 12px;
    color: #7EF0AE;
    margin-top: 4px;
    font-variant-numeric: tabular-nums;
}

.case-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.case-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid transparent;
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.case-card:hover {
    box-shadow: 0 16px 40px rgba(2, 14, 27, 0.35);
    transform: translateY(-4px);
}

.case-card-image {
    position: relative;
    height: 180px;
    overflow: hidden;
    background: #E6EAF2;
}

.case-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.case-card:hover .case-card-image img {
    transform: scale(1.02);
}

.case-card-image .card-overlay {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(11, 31, 53, 0.7);
    color: #fff;
    padding: 4px 10px;
    font-size: 12px;
    border-radius: 999px;
    backdrop-filter: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.case-card-image .card-overlay i {
    color: #7EF0AE;
}

.case-card-image .case-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 48px;
    background: rgba(255,255,255,0.85);
    color: var(--primary);
    font-size: 20px;
    margin: 70px auto;
}

.case-card-content {
    padding: 20px 24px 24px;
}

.case-card-content .industry-tag {
    margin-bottom: 8px;
}

.case-card-content h4 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.4;
}

.case-card-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.case-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-light);
    padding-top: 12px;
}

.case-card-footer span {
    font-size: 12px;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.case-card-footer span i {
    color: var(--success);
}

.case-card-footer a {
    font-size: 13px;
    color: var(--primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.case-card-footer a:hover {
    text-decoration: underline;
}

.case-card-footer a i {
    transition: transform 0.2s;
}

.case-card-footer a:hover i {
    transform: translateX(4px);
}

/* Logo 墙 */
.logo-wall {
    margin-top: 48px;
    text-align: center;
    padding: 0 20px;
}

.logo-wall-title {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 24px;
    display: block;
}

.logo-wall-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px 40px;
    filter: grayscale(1);
    opacity: 0.6;
    transition: all 0.3s;
    list-style: none;
    padding: 0;
}

.logo-wall-row li {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,0.8);
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.logo-wall-row li i {
    margin-right: 6px;
    color: rgba(255,255,255,0.7);
}

.logo-wall-row li:hover i {
    color: var(--golden);
}

/* ============ 价格方案 ============ */
.pricing-section {
    background: #F0F4FC;
}

.pricing-switch {
    display: flex;
    justify-content: center;
    margin-bottom: 44px;
    gap: 0;
}

.switch-container {
    position: relative;
    display: inline-flex;
    align-items: center;
    background: #fff;
    border-radius: 999px;
    padding: 4px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border);
}

.switch-item {
    width: 100px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    background: transparent;
    border: none;
    font-weight: 500;
    line-height: 1.4;
    position: relative;
    z-index: 2;
}

.switch-item.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(37,99,235,0.2);
}

.switch-item.disabled {
    cursor: not-allowed;
    opacity: 0.35;
}

.switch-item.active.disabled {
    opacity: 0.8;
}

.switch-save-tag {
    display: inline-flex;
    align-items: center;
    background: var(--golden);
    color: #fff;
    border-radius: 999px;
    padding: 1px 8px;
    font-size: 10px;
    margin-left: 6px;
    height: 18px;
    line-height: 1;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: #fff;
    border-radius: 16px;
    padding: 32px 28px;
    border: 1px solid rgba(11, 31, 53, 0.08);
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 2px 10px rgba(11,31,53,0.03);
    position: relative;
    opacity: 0.95;
}

.pricing-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.pricing-card .plan_recommend {
    background: var(--text-primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    align-self: center;
    border-radius: 999px;
    padding: 4px 14px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.04em;
    margin-bottom: 18px;
}

.pricing-card:hover {
    opacity: 1;
}

.pricing-card.recommended {
    border: 2px solid var(--golden);
    box-shadow: var(--shadow-gold);
    transform: scale(0.98);
    background: #fff;
    padding-top: 44px;
    position: relative;
}

.pricing-card.recommended::before {
    content: "最受欢迎";
    position: absolute;
    top: -13px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, #D99330, var(--golden));
    color: #fff;
    padding: 4px 16px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    box-shadow: 0 4px 8px rgba(229,164,60,0.2);
    white-space: nowrap;
}

.pricing-card.recommended:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 42px rgba(229,164,60,0.2);
}

.pricing-card .plan-name {
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.pricing-card .plan-desc {
    text-align: center;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    display: block;
}

.pricing-card .price-row {
    text-align: center;
    margin-bottom: 28px;
    font-variant-numeric: tabular-nums;
    position: relative;
}

.pricing-card .price-currency {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    vertical-align: top;
    margin-right: 4px;
}

.pricing-card .price-amount {
    font-size: 48px;
    font-weight: 700;
    line-height: 1;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.pricing-card .price-period {
    font-size: 13px;
    color: var(--text-muted);
    margin-left: 6px;
}

.pricing-card .price-price-detail {
    display: block;
    margin-top: 8px;
    font-size: 13px;
    color: var(--text-muted);
}

.price-info-toggle {
    position: absolute;
    right: 0;
    top: 4px;
    font-size: 14px;
    color: var(--text-muted);
    cursor: pointer;
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
}

.pricing-card ul.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    margin-bottom: 24px;
    display: flex;
    gap: 12px;
    flex-direction: column;
}

.pricing-card ul.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.5;
    padding: 0;
}

.pricing-card ul.feature-list li i {
    width: 16px;
    height: 16px;
    margin-top: 2px;
    flex-shrink: 0;
    color: var(--success);
    font-size: 13px;
    border-radius: 50%;
    background: rgba(22,163,74,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pricing-card ul.feature-list li.disabled {
    color: var(--text-muted);
    text-decoration: line-through;
}

.pagination a:hover {
    text-decoration: none;
}

.pricing-card .btn-row {
    margin-top: auto;
    text-align: center;
}

/* 优惠提示 */
.promo-strip {
    margin-top: 40px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 16px 24px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    box-shadow: 0 2px 8px rgba(11,31,53,0.03);
}

.promo-strip-left {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 14px;
    flex-wrap: wrap;
}

.promo-strip-left i {
    color: var(--success);
    font-size: 18px;
    background: rgba(22,163,74,0.1);
    border-radius: 50%;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.promo-strip-left .promo-text {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.promo-strip-left .promo-text strong {
    color: var(--text-primary);
}

.promo-strip-right a {
    color: var(--primary);
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.promo-strip-right a:hover {
    text-decoration: underline;
}

/* ============ FAQ ============ */
.faq-section {
    background: #fff;
}

.faq-section .section-head h2 {
    margin-bottom: 8px;
}

.faq-section .section-head .section-lead {
    margin-bottom: 20px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 24px;
    margin-bottom: 40px;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: 16px;
    background: #fff;
    transition: all 0.22s ease;
    overflow: hidden;
}

.faq-item:hover {
    border-color: rgba(37,99,235,0.25);
}

.faq-item details {
    padding: 0 24px;
    min-height: auto;
    background: #fff;
    border-radius: 16px;
    transition: all 0.18s;
}

.faq-item summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    width: 100%;
    padding: 18px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    outline: none;
    position: relative;
    user-select: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary .faq-question {
    display: inline-flex;
    gap: 12px;
    align-items: baseline;
    line-height: 1.4;
}

.faq-item summary .q-num {
    color: var(--primary);
    font-weight: 700;
    font-size: 14px;
    min-width: 20px;
    font-variant-numeric: tabular-nums;
}

.faq-item summary .q-text {
    line-height: 1.5;
}

.faq-item summary .q-icon {
    position: relative;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.faq-item summary .q-icon::before,
.faq-item summary .q-icon::after {
    content: "";
    position: absolute;
    background: var(--primary);
    border-radius: 4px;
    transform: translate(-50%, -50%);
    top: 50%;
    left: 50%;
}

.faq-item summary .q-icon::before {
    width: 10px;
    height: 2px;
}

.faq-item summary .q-icon::after {
    width: 2px;
    height: 10px;
    transition: transform 0.2s;
}

.faq-item details[open] summary .q-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item details[open] summary .q-icon {
    background: var(--primary);
    color: #fff;
}

.faq-item details[open] summary .q-icon::before,
.faq-item details[open] summary .q-icon::after {
    background: #fff;
}

.faq-item .faq-content {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
    padding: 0 16px 20px 44px;
    margin-top: -4px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.faq-cta-below {
    text-align: center;
    margin-top: 8px;
}

.faq-cta-below span {
    display: inline-block;
    font-size: 15px;
    color: var(--text-secondary);
    margin-right: 8px;
    line-height: 1.6;
}

/* ============ 最新资讯 / CMS ============ */
.news-section {
    background: #F0F4FC;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 16px;
}

.news-card {
    background: #fff;
    border-radius: 16px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow-card);
    transition: all 0.22s ease;
    border: 1px solid transparent;
    position: relative;
}

.news-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
    border-color: rgba(37,99,235,0.12);
}

.news-card .news-card-thumb {
    width: 128px;
    height: 84px;
    border-radius: 12px;
    background-color: #E8EDF5;
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
}

.news-card .news-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.news-card:hover .news-card-thumb img {
    transform: scale(1.04);
}

.news-card .thumb-default {
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, #DEE8F8, #EAF0FA);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #93B4F0;
}

.news-card .thumb-default i {
    font-size: 22px;
    color: #5D87E8;
}

.news-card .news-card-body {
    flex: 1;
    min-width: 0;
}

.news-card .news-card-body .badge-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.news-card .news-card-body h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card .news-card-body p {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 0;
}

.news-card .news-card-body .meta-more {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 8px;
    font-size: 13px;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.news-card .news-card-body .meta-more a {
    font-size: 13px;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 500;
    opacity: 0.9;
    transition: all 0.2s;
}

.news-card .news-card-body .meta-more a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
    opacity: 1;
}

.news-card .news-card-body .meta-more a i {
    font-size: 13px;
}

.badge-cat {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--primary-light);
    color: var(--primary);
    border: 1px solid rgba(37,99,235,0.15);
    border-radius: 999px;
    padding: 2px 10px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
}

.badge-cat i {
    font-size: 11px;
}

.badge-time {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-muted);
    background: transparent;
    padding: 2px 0;
}

.badge-time i {
    font-size: 12px;
}

.news-empty {
    text-align: center;
    padding: 60px 20px;
    background: #fff;
    border-radius: 16px;
}

.news-empty-icon {
    font-size: 48px;
    color: var(--text-muted);
    opacity: 0.4;
    margin-bottom: 16px;
}

.news-empty p {
    color: var(--text-muted);
    font-size: 16px;
}

/* ============ CTA 区域 ============ */
.cta-banner {
    background: #0B1F35;
    border-radius: 20px;
    padding: 56px;
    position: relative;
    overflow: hidden;
    color: #fff;
    text-align: center;
    box-shadow: 0 20px 48px rgba(11,31,53,0.2);
    margin-top: 16px;
}

.cta-banner .cta-inner {
    max-width: 760px;
    margin: 0 auto;
    padding: 0;
}

.cta-banner h2 {
    color: #fff;
    font-size: clamp(28px, 3vw, 38px);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 12px;
}

.cta-banner p {
    color: rgba(255,255,255,0.75);
    font-size: 16px;
    margin-bottom: 32px;
    line-height: 1.8;
}

.cta-banner .cta-bg-img {
    position: absolute;
    inset: 0;
    border-radius: 20px;
    overflow: hidden;
}

.cta-banner .cta-bg-img::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(11, 31, 53, 0.75);
    border-radius: 20px;
}

.cta-banner .cta-bg-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
}

.cta-banner .cta-container {
    position: relative;
    z-index: 5;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.cta-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 16px;
}

.cta-actions .btn-primary {
    background: #fff;
    color: var(--text-primary);
    border-color: #fff;
    box-shadow: 0 4px 16px rgba(255,255,255,0.15);
}

.cta-actions .btn-primary:hover {
    background: rgba(255,255,255,0.9);
    color: var(--text-primary);
}

.cta-actions .btn-outline {
    border-color: rgba(255,255,255,0.5);
    color: #fff;
}

.cta-actions .btn-outline:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
}

.cta-feature-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    position: relative;
    z-index: 2;
    color: rgba(255,255,255,0.8);
    font-size: 13px;
    padding: 0;
    list-style: none;
    margin-top: 20px;
}

.cta-feature-list li {
    display: flex;
    gap: 6px;
    align-items: center;
    color: rgba(255,255,255,0.7);
}

.cta-feature-list li i {
    color: var(--golden);
}

.cta-banner .cta-trust {
    display: flex;
    justify-content: center;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    margin-top: 8px;
    gap: 20px;
    flex-wrap: wrap;
}

.cta-trust span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ============ 页脚 ============ */
.main-footer {
    background: #fff;
    border-top: 1px solid var(--border-light);
    padding: 64px 0 32px;
}

.main-footer .container {
    display: flex;
    flex-direction: column;
    gap: 44px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-row {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    width: 100%;
}

.footer-col .footer-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 18px;
    position: relative;
    display: inline-block;
    padding-bottom: 8px;
}

.footer-col .footer-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 28px;
    height: 3px;
    background: var(--golden);
    border-radius: 2px;
}

.footer-col p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.footer-brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    flex-direction: column;
}

.footer-links a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 14px;
    transition: all 0.2s;
}

.footer-links a i {
    font-size: 12px;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 4px;
    color: var(--primary) !important;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.footer-contact span {
    display: flex;
    align-items: center;
    gap: 10px;
    line-height: 1.6;
}

.footer-contact i {
    width: 20px;
    text-align: center;
    color: var(--primary);
    margin-right: 8px;
}

.footer-bottom {
    border-top: 1px solid var(--border-light);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--text-muted);
}

.footer-bottom-left {
    display: flex;
    gap: 16px;
    align-items: center;
}

.footer-bottom-right a {
    color: var(--text-secondary);
    margin-right: 20px;
    font-size: 13px;
    white-space: nowrap;
}

.footer-bottom-right a:last-child {
    margin-right: 0;
}

.footer-icp {
    white-space: nowrap;
    color: var(--text-muted);
    opacity: 0.8;
    font-size: 13px;
}

@media (min-width: 1200px) {
    .hero-visual {
        max-width: 500px;
    }
}

@media (min-width: 1025px) and (max-width: 1199px) {
    :root {
        --sidebar-width: 240px;
    }
    
    .main-content {
        margin-left: 240px;
        width: calc(100% - 240px);
    }
    
    .main-content .container,
    .container {
        padding-left: 28px;
        padding-right: 28px;
    }
    
    .hero-left h1 {
        font-size: 34px;
    }
    
    .scene-num {
        left: -40px;
        font-size: 36px;
    }
    
    .scene-item:nth-child(even) .scene-num {
        right: -40px;
        left: auto;
    }
    
    .pricing-card.recommended {
        transform: scale(1);
        padding: 40px 20px;
        padding-top: 36px;
        position: relative;
    }
    
    .main-section { padding: 72px 0; }
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
        border-radius: 0 16px 16px 0;
    }
    
    body.sidebar-open {
        overflow: hidden;
    }
    
    body.sidebar-open .sidebar {
        transform: translateX(0);
    }
    
    body.sidebar-open .toggle-overlay {
        display: block;
        opacity: 1;
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    .menu-toggle {
        display: inline-flex;
    }
    
    .mobile-topbar {
        display: block;
    }
    
    .main-content > .container {
        padding-top: 22px;
    }
    
    .hero-section {
        min-height: auto;
        padding-bottom: 32px;
    }
    
    .hero-section .container {
        padding-top: 36px;
    }
    
    .hero-container {
        flex-direction: column;
        gap: 36px;
    }
    
    .hero-left {
        flex: none;
        width: 100%;
        text-align: center;
    }
    
    .hero-left h1 {
        font-size: 36px;
    }
    
    .hero-lead {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-trust {
        justify-content: center;
    }
    
    .hero-right {
        flex: none;
        width: 100%;
        max-width: 560px;
        margin: 0 auto;
    }
    
    .hero-visual {
        aspect-ratio: 4/3;
    }
    
    .feature-grid .feature-card,
    .feature-grid .stats-combo {
        grid-column: span 6;
    }
    
    .stats-combo {
        min-height: auto;
        margin-top: 0;
    }
    
    .stats-row {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .stat-item {
        flex: 0 0 auto;
        flex-direction: column;
        gap: 2px;
        padding: 0;
        border-right: none;
        border-bottom: none;
    }
    
    .mini-stats-row {
        grid-column: span 6;
    }
    
    .scene-item {
        flex-direction: column;
        gap: 28px;
        margin-bottom: 52px;
    }
    
    .scene-item:nth-child(even) .scene-visual {
        order: initial;
    }
    
    .scene-text {
        width: 100%;
        padding-right: 0;
    }
    
    .scene-num {
        left: auto;
        right: 0;
        top: -24px;
        font-size: 48px;
        opacity: 0.18;
        background: none;
        transform: none;
    }
    
    .scene-item:nth-child(even) .scene-num {
        right: 0;
        left: auto;
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 800px;
        margin: 0 auto;
    }
    
    .pricing-card:last-child {
        grid-column: span 2;
    }
    
    .pricing-card {
        min-height: 100%;
        padding: 24px 16px;
        opacity: 1;
        transform: none;
    }
    
    .pricing-card.recommended {
        transform: scale(1);
        padding: 28px 16px;
        padding-top: 40px;
        opacity: 1;
        order: 0;
    }
    
    .pricing-card.recommended::before {
        top: -12px;
        white-space: nowrap;
    }
    
    .pricing-card .price-amount {
        font-size: 40px;
    }
    
    .promo-strip {
        padding: 14px 16px;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .news-card .news-card-thumb {
        width: 96px;
        height: 68px;
    }
    
    .news-card .news-card-body .meta-more .badge-time {
        font-size: 11px;
    }
    
    .metrics-dashboard {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .case-cards {
        grid-template-columns: 1fr;
    }
    
    .cta-banner {
        padding: 36px 24px;
    }
    
    .footer-row {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    
    .footer-col:first-child {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 280px;
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    .main-content > .container {
        padding-left: 24px;
        padding-right: 24px;
    }
    
    .container {
        padding-left: 24px;
        padding-right: 24px;
    }
    
    .hero-section {
        padding-top: 24px;
        min-height: auto;
    }
    
    .hero-section .container {
        padding: 24px 24px 40px;
    }
    
    .hero-left h1 {
        font-size: 32px;
    }
    
    .hero-left .badge-live {
        display: inline-flex;
        margin-bottom: 16px;
        font-size: 12px;
    }
    
    .hero-float-card {
        min-width: 150px;
        padding: 10px 14px;
        bottom: 12px;
        left: 12px;
        gap: 8px;
    }
    
    .hero-float-card .float-icon {
        width: 28px;
        height: 28px;
        font-size: 13px;
    }
    
    .hero-float-card .card-value {
        font-size: 20px;
    }
    
    .feature-band .container {
        padding-left: 0;
        padding-right: 0;
    }
    
    .feature-band .section-head {
        padding-left: 24px;
        padding-right: 24px;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .feature-grid .feature-card,
    .feature-grid .stats-combo,
    .mini-stats-row {
        grid-column: span 1;
    }
    
    .feature-card {
        padding: 20px;
    }
    
    .stats-combo {
        padding: 20px;
        grid-row: auto;
        margin-top: 0;
    }
    
    .stats-row {
        flex-direction: column;
    }
    
    .stage-list { grid-template-columns: 1fr; }
    
    .metrics-dashboard {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .metric-card .m-value {
        font-size: 36px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .pricing-card:last-child {
        grid-column: auto;
    }
    
    .pricing-card {
        max-width: 520px;
        margin: 0 auto 10px;
    }
    
    .pricing-card.recommended {
        min-height: auto;
        grid-column: auto;
        order: -1;
        margin-top: 20px;
        padding-top: 42px;
    }
    
    .pricing-card .plan-name,
    .pricing-card .plan-desc {
        text-align: center;
    }
    
    .pricing-card .btn-row {
        text-align: center;
    }
    
    .promo-strip {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .promo-strip-right a {
        white-space: normal;
    }
    
    .section-head {
        margin-bottom: 32px;
    }
    
    .section-head h2 {
        font-size: 28px;
    }
    
    .main-section { padding: 64px 0; }
    
    .scene-item {
        margin-bottom: 40px;
    }
    
    .scene-text .scene-point-list {
        flex-wrap: wrap;
    }
    
    .scene-text .scene-point-list span {
        font-size: 13px;
    }
    
    .logo-wall-row {
        gap: 12px 20px;
    }
    
    .logo-wall-row li {
        font-size: 13px;
        padding: 2px 0;
    }
    
    .cta-banner p br { display: none; }
    
    .cta-actions {
        flex-direction: column;
    }
    
    .cta-actions .btn {
        width: 100%;
        text-align: center;
    }
    
    .cta-actions .btn-primary:first-child {
        margin-bottom: 4px;
    }
    
    .footer-bottom {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .footer-row {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    
    .footer-col:first-child {
        grid-column: span 1;
    }
    
    .footer-brand-logo {
        justify-content: center;
    }
    
    .footer-col p {
        text-align: center;
    }
    
    .footer-col nav, .footer-col .footer-contact {
        text-align: center;
    }
    
    .footer-col .footer-title { text-align: center; }
    
    .footer-col .footer-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-col nav {
        align-items: center;
        display: flex;
        flex-direction: column;
    }
    
    .footer-contact span {
        justify-content: center;
    }
    
    .footer-bottom-right, .footer-bottom-left {
        justify-content: center;
        flex-wrap: wrap;
        text-align: center;
    }
    
    .back-to-top {
        left: 16px;
    }
    
    .pagination-less {
        flex-wrap: wrap;
        row-gap: 16px;
    }
    
    .cta-actions .btn-primary:hover {
        transform: none;
    }
}

@media (max-width: 520px) {
    .main-content > .container {
        padding-left: 16px;
        padding-right: 16px;
    }
    
    .hero-section .container {
        padding-left: 20px;
        padding-right: 20px;
    }
    
    .hero-left h1 {
        font-size: 32px;
    }
    
    .hero-left .badge-live {
        white-space: nowrap;
    }
    
    .hero-actions .btn {
        height: 44px;
        padding: 0 16px;
        font-size: 14px;
        width: calc(50% - 8px);
        justify-content: center;
    }
    
    .hero-trust {
        gap: 10px;
    }
    
    .hero-trust li {
        font-size: 12px;
    }
    
    .hero-float-card {
        display: flex;
        min-width: 140px;
    }
    
    .live-status-inner {
        gap: 12px;
    }
    
    .live-status-inner .status-tag span {
        display: none;
    }
    
    .live-status-marquee span {
        padding-right: 30px;
    }
    
    .feature-card .f-icon {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }
    
    .mini-stats-row .mini-stat-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .scene-btn-primary {
        width: 100%;
        text-align: center;
        margin-top: 6px;
    }
    
    .news-card {
        flex-direction: column;
        padding: 16px;
        gap: 12px;
        align-items: flex-start;
    }
    
    .news-card .news-card-thumb {
        width: 100%;
        height: 140px;
    }
    
    .news-card .news-card-body .badge-wrap {
        gap: 6px;
    }
    
    .news-card .news-card-body .meta-more {
        flex-wrap: wrap;
    }
    
    .news-card .news-card-body .meta-more .badge-time:first-of-type {
        display: none;
    }
    
    .badge-cat { font-size: 12px; }
    
    .pricing-card { padding: 24px; }
    
    .pricing-card .price-amount {
        font-size: 36px;
    }
    
    .pricing-card.recommended {
        padding-top: 44px;
    }
    
    .cta-banner {
        padding: 28px 16px;
        border-radius: 16px;
    }
    
    .cta-banner h2 {
        font-size: 26px;
    }
    
    .faq-item summary {
        font-size: 15px;
    }
    
    .faq-item details {
        padding: 0 16px;
    }
    
    .faq-item .faq-content {
        padding: 0 8px 16px 28px;
        font-size: 14px;
    }
    
    .metrics-dashboard {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    
    .metric-card {
        padding: 16px 10px;
    }
    
    .metric-card .m-value {
        font-size: 28px;
    }
    
    .metric-card .m-value sup {
        font-size: 14px;
    }
    
    .metric-card .m-label {
        font-size: 13px;
    }
    
    .case-cards .case-card-content {
        padding: 20px 18px;
    }
    
    .logo-wall-row {
        gap: 8px 16px;
    }
    
    .logo-wall-row li {
        font-size: 13px;
    }
    
    .logo-wall-row li i {
        margin-right: 2px;
    }
    
    .scene-item {
        gap: 24px;
    }
    
    .scene-text .scene-index {
        margin-top: 20px;
    }
    
    .cta-banner .cta-trust {
        gap: 10px;
    }
    
    .cta-banner .cta-trust {
        margin-top: 10px;
    }
    
    .back-to-top {
        width: 40px;
        height: 40px;
        font-size: 14px;
    }
    
    .footer-bottom-left span {
        white-space: normal;
        line-height: 1.6;
    }
}

/* 回到顶部 */
.back-to-top {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    position: fixed;
    bottom: 32px;
    left: 24px;
    z-index: 60;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    font-size: 16px;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(37,99,235,0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all 0.3s ease;
    border: none;
    outline: none;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    border-color: transparent;
}

/* ============ 实用辅助类 ============ */
.tabular-nums {
    font-variant-numeric: tabular-nums;
}

.text-primary-color { color: var(--primary) !important; }
.text-secondary-color { color: var(--text-secondary) !important; }
.text-muted-color { color: var(--text-muted) !important; }
.text-golden-color { color: var(--golden) !important; }
.text-success { color: var(--success) !important; }

.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.mx-auto { margin-left: auto; margin-right: auto; }
.text-center { text-align: center; }
.hidden { display: none; }

/* ============ 打印和辅助 ============ */
@page {
    margin: 2cm;
}

@media print {
    .sidebar, .menu-toggle, .back-to-top, .mobile-topbar {
        display: none !important;
    }
    .main-content { margin-left: 0; width: 100%; padding-top: 0; }
    .hero-section, .feature-band, .scenes-section, .case-section, .pricing-section, .faq-section, .news-section, .cta-banner, .main-footer {
        margin: 0 !important;
        padding: 10px 0 !important;
        background: #fff !important;
        color: #111 !important;
    }
    .cta-banner h2, .cta-banner p { color: #111 !important; }
    .case-section .section-head h2,
    .case-section .section-head .section-lead,
    .metric-card { color: #111 !important; background: #fff !important; }
    .metric-card .m-value { color: #111 !important; }
}

/* roulang page: article */
:root {
    --page-bg: #F4F7FA;
    --card-bg: #FFFFFF;
    --brand: #2563EB;
    --brand-hover: #1D4ED8;
    --brand-light: #EFF4FF;
    --dark-navy: #0B1F35;
    --dark-navy-soft: #152C44;
    --gold: #E5A43C;
    --green: #16A34A;
    --red: #DC2626;
    --text-main: #0F172A;
    --text-body: #596579;
    --text-muted: #8A94A6;
    --border: #E2E8F0;
    --line: #EDF1F6;
    --radius-card: 16px;
    --radius-btn: 10px;
    --radius-img: 12px;
    --radius-pill: 999px;
    --shadow-card: 0 2px 12px rgba(11, 31, 53, 0.06);
    --shadow-card-hover: 0 10px 32px rgba(11, 31, 53, 0.10);
    --shadow-gold: 0 12px 32px rgba(229, 164, 60, 0.16);
    --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
    --sidebar-width: 272px;
    --topbar-height: 64px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--font-family);
    background: var(--page-bg);
    color: var(--text-main);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--brand); }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 16px; }
:focus-visible { outline: 3px solid rgba(37, 99, 235, .35); outline-offset: 2px; border-radius: 6px; }
p, ul, ol, figure { margin: 0 0 16px; }
h1, h2, h3, h4, h5, h6 { margin: 0 0 12px; font-weight: 700; line-height: 1.35; color: var(--text-main); }
.container { max-width: 1280px; margin: 0 auto; width: 100%; padding-left: 32px; padding-right: 32px; }

.app-shell { min-height: 100vh; }
.app-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--dark-navy);
    z-index: 120;
    display: flex;
    flex-direction: column;
    visibility: visible;
}
.side-logo {
    height: 88px;
    min-height: 88px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 22px;
    border-bottom: 1px solid rgba(255,255,255,.07);
}
.logo-icon {
    width: 42px;
    height: 42px;
    min-width: 42px;
    border-radius: 12px;
    background: var(--brand);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
}
.side-logo .logo-text { display: flex; flex-direction: column; line-height: 1.3; }
.side-logo .logo-text strong {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: .3px;
}
.side-logo .logo-text small {
    color: #7D90A5;
    font-size: 11px;
    letter-spacing: .8px;
    text-transform: uppercase;
}
.side-close {
    display: none;
    position: absolute;
    top: 20px;
    right: 16px;
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 9px;
    color: #B7C5D4;
    background: rgba(255,255,255,.05);
    align-items: center;
    justify-content: center;
    font-size: 18px;
}
.side-nav-wrap { flex: 1; overflow-y: auto; padding: 22px 14px; }
.side-menu-label {
    display: block;
    padding: 0 10px 12px;
    color: #68788C;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
}
.nav-list { display: block; }
.nav-list .nav-item { margin-bottom: 6px; }
.nav-list .nav-item a {
    position: relative;
    display: flex;
    align-items: center;
    gap: 13px;
    width: 100%;
    height: 46px;
    padding: 0 16px;
    border-radius: 12px;
    color: #B7C5D4;
    font-size: 15px;
    font-weight: 500;
    transition: background .2s ease, color .2s ease, transform .2s ease;
}
.nav-list .nav-item a i { width: 20px; text-align: center; font-size: 16px; color: #7D90A5; transition: color .2s ease; }
.nav-list .nav-item a:hover { background: rgba(255,255,255,.08); color: #EDF2F8; }
.nav-list .nav-item a:hover i { color: #E5EAF1; }
.nav-list .nav-item a.active {
    background: rgba(255,255,255,.12);
    color: #fff;
    font-weight: 600;
}
.nav-list .nav-item a.active i { color: #fff; }
.nav-list .nav-item a.active::before {
    content: "";
    position: absolute;
    left: -14px;
    top: 11px;
    bottom: 11px;
    width: 4px;
    border-radius: 0 8px 8px 0;
    background: var(--gold);
}
.sidebar-card {
    margin: 0 14px 16px;
    padding: 18px 16px;
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 16px;
    text-align: left;
}
.sidebar-card strong { display: block; color: #fff; font-size: 15px; margin-bottom: 6px; }
.sidebar-card p { color: #93A5B8; font-size: 13px; line-height: 1.6; margin-bottom: 12px; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-btn);
    font-weight: 600;
    transition: all .22s ease;
    border: 1px solid transparent;
    padding: 0 28px;
    height: 50px;
    font-size: 15px;
    text-decoration: none;
    white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.btn-primary:hover { background: var(--brand-hover); border-color: var(--brand-hover); color: #fff; }
.btn-outline { background: #fff; color: var(--brand); border-color: #CFDBE8; }
.btn-outline:hover { background: #F4F7FA; border-color: var(--brand); color: var(--brand); }
.btn-gold { background: var(--gold); color: #0B1F35; border-color: var(--gold); }
.btn-gold:hover { background: #D8942B; border-color: #D8942B; color: #0B1F35; }
.btn-white { background: #fff; color: var(--brand); border-color: #fff; }
.btn-white:hover { background: #EEF2F7; color: var(--brand); }
.btn-sm { height: 38px; padding: 0 18px; font-size: 14px; }
.btn-block { width: 100%; }

.sidebar-contact { padding: 14px 16px 16px; border-top: 1px solid rgba(255,255,255,.07); }
.sidebar-contact .row { display: flex; align-items: center; gap: 10px; color: #B7C5D4; font-size: 13px; margin-bottom: 7px; }
.sidebar-contact .row i { color: #7D90A5; width: 16px; }
.sidebar-contact small { display: block; color: #6C7C90; font-size: 12px; margin-top: 4px; }

.main-frame { min-height: 100vh; margin-left: var(--sidebar-width); display: flex; flex-direction: column; }
.site-main { flex: 1; width: 100%; }

.mobile-topbar {
    position: sticky;
    top: 0;
    z-index: 110;
    display: none;
    height: var(--topbar-height);
    background: rgba(255,255,255,.96);
    border-bottom: 1px solid var(--line);
    padding: 0 16px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    backdrop-filter: blur(6px);
}
.menu-toggle {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border: 0;
    font-size: 19px;
    background: transparent;
    color: var(--dark-navy);
    border-radius: 10px;
}
.menu-toggle:active { transform: scale(.96); }
.mobile-logo {
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--dark-navy);
    font-size: 18px;
    font-weight: 700;
    min-width: 0;
}
.mobile-logo .logo-icon { width: 34px; min-width: 34px; height: 34px; font-size: 16px; border-radius: 9px; }
.mobile-logo .mb-sub { font-size: 13px; color: var(--text-muted); font-weight: 500; }
.mobile-top-cta {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    background: var(--card-bg);
    border-radius: 10px;
    color: var(--brand);
    font-size: 16px;
}
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(11, 31, 53, .55);
    z-index: 115;
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease, visibility .25s ease;
}
body.no-scroll { overflow: hidden; }

/* Article Page */
.article-page-meta { background: transparent; }
.article-main {
    max-width: 860px;
    margin: 0 auto;
    padding: 50px 32px 96px;
}
.breadcrumb-line {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 28px;
    color: var(--text-muted);
    font-size: 14px;
}
.breadcrumb-line a { display: inline-flex; align-items: center; gap: 6px; }
.breadcrumb-line a i { color: var(--brand); font-size: 15px; }
.breadcrumb-line .crumb { color: var(--brand); font-weight: 500; }
.article-card {
    background: var(--card-bg);
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    padding: 52px 56px;
    position: relative;
}
.article-title {
    font-size: 36px;
    line-height: 1.35;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 14px;
    letter-spacing: -.3px;
    word-break: break-word;
}
.article-deck {
    color: var(--text-body);
    font-size: 17px;
    line-height: 1.85;
    margin-bottom: 30px;
    border-left: 4px solid var(--gold);
    background: var(--brand-light);
    padding: 14px 20px;
    border-radius: 0 12px 12px 0;
}
.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    padding-bottom: 24px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--line);
    color: var(--text-muted);
    font-size: 14px;
}
.article-meta .meta-item { display: inline-flex; align-items: center; gap: 8px; }
.article-meta .meta-item i { color: var(--brand); font-size: 14px; }
.article-meta .badge-cat {
    background: var(--brand-light);
    color: var(--brand);
    border-radius: var(--radius-pill);
    padding: 4px 12px;
    font-size: 13px;
    font-weight: 600;
}
.article-meta .dot { width: 3px; height: 3px; background: #C3CCD8; border-radius: 50%; }

.article-content {
    font-size: 17px;
    color: var(--text-body);
    line-height: 1.9;
    word-wrap: break-word;
}
.article-content > p { margin-bottom: 22px; }
.article-content h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-main);
    margin: 46px 0 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
}
.article-content h3 {
    font-size: 21px;
    font-weight: 700;
    color: var(--text-main);
    margin: 34px 0 12px;
}
.article-content h4 { font-size: 18px; font-weight: 700; color: var(--text-main); margin: 28px 0 10px; }
.article-content ul { list-style: none; padding-left: 0; margin-bottom: 22px; }
.article-content ul > li { position: relative; padding-left: 28px; margin-bottom: 10px; }
.article-content ul > li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 12px;
    width: 9px;
    height: 9px;
    border-radius: 3px;
    background: var(--brand-light);
    border: 2px solid var(--brand);
}
.article-content ol { padding-left: 20px; margin-bottom: 22px; }
.article-content li + li { margin-top: 6px; }
.article-content a { color: var(--brand); text-decoration: none; border-bottom: 1px solid rgba(37,99,235,.3); }
.article-content a:hover { color: var(--brand-hover); border-bottom-color: var(--brand); }
.article-content blockquote {
    margin: 30px 0;
    padding: 20px 24px;
    background: var(--brand-light);
    border-left: 4px solid var(--brand);
    border-radius: 0 14px 14px 0;
    color: var(--text-main);
    font-size: 16px;
}
.article-content blockquote p { margin-bottom: 0; }
.article-content img { border-radius: 14px; box-shadow: var(--shadow-card); margin: 26px 0; background: var(--page-bg); }
.article-content figcaption { font-size: 13px; color: var(--text-muted); text-align: center; margin-top: -14px; margin-bottom: 28px; }
.article-content pre {
    background: #0B1F35;
    color: #DBEAFE;
    border-radius: 16px;
    padding: 22px 24px;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 14px;
    line-height: 1.7;
    overflow-x: auto;
    margin: 30px 0;
}
.article-content code { font-family: "SFMono-Regular", Consolas, Menlo, monospace; background: var(--brand-light); border-radius: 4px; padding: 2px 6px; font-size: 15px; color: #1E3A8A; }
.article-content pre code { background: none; padding: 0; color: inherit; font-size: 14px; }
.article-content table { width: 100%; border-collapse: collapse; margin: 30px 0; background: #fff; border-radius: 12px; overflow: hidden; }
.article-content th, .article-content td { border: 1px solid var(--line); padding: 12px 14px; text-align: left; }
.article-content th { background: var(--brand-light); color: var(--dark-navy); font-weight: 600; }
.article-content hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }

.article-tags-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    padding: 24px 0 4px;
    margin-top: 38px;
    border-top: 1px solid var(--line);
}
.article-tags-list { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.article-tags-list > span { color: var(--text-muted); font-size: 14px; }
.pill-link {
    display: inline-flex;
    align-items: center;
    background: var(--brand-light);
    color: var(--brand);
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 500;
    line-height: 1.4;
    transition: all .2s ease;
    border: 1px solid transparent;
}
.pill-link:hover { background: var(--brand); color: white; border-color: var(--brand); }
.share-note { color: var(--text-muted); font-size: 14px; display: inline-flex; gap: 8px; align-items: center; }
.share-note i { color: var(--brand); }

.empty-article {
    text-align: center;
    padding: 70px 20px 56px;
    background: var(--card-bg);
    border-radius: 20px;
    box-shadow: var(--shadow-card);
}
.empty-article .empty-icon {
    width: 88px;
    height: 88px;
    line-height: 88px;
    margin: 0 auto 20px;
    background: var(--brand-light);
    border-radius: 26px;
    color: var(--brand);
    font-size: 38px;
    text-align: center;
}
.empty-article h2 { font-size: 28px; }
.empty-article p { color: var(--text-muted); max-width: 360px; margin: 0 auto 30px; }

/* Related Section */
.related-section { margin-top: 72px; }
.related-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
}
.section-kicker {
    font-size: 13px;
    letter-spacing: 1px;
    color: var(--brand);
    text-transform: uppercase;
    font-weight: 700;
    display: inline-flex;
    gap: 8px;
    align-items: center;
}
.section-title { font-size: 30px; font-weight: 800; letter-spacing: -.2px; margin: 8px 0 0; }
.related-link { color: var(--brand); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 7px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.related-card {
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    border-radius: var(--radius-card);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.7);
    box-shadow: var(--shadow-card);
    transition: all .22s ease;
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-color: rgba(37,99,235,.16); }
.related-thumb { aspect-ratio: 16 / 10; overflow: hidden; position: relative; background: var(--brand-light); }
.related-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .28s ease; }
.related-card:hover .related-thumb img { transform: scale(1.03); }
.related-thumb .img-tag {
    position: absolute;
    left: 14px;
    top: 14px;
    background: rgba(11,31,53,.78);
    color: #fff;
    padding: 4px 11px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    border: 0;
}
.related-body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.related-body h3 { font-size: 20px; font-weight: 700; line-height: 1.4; margin-bottom: 8px; }
.related-body p { color: var(--text-body); font-size: 14px; line-height: 1.75; flex: 1; margin-bottom: 18px; }
.read-more { color: var(--brand); font-size: 14px; display: inline-flex; align-items: center; gap: 7px; font-weight: 600; }
.read-more i { transition: transform .2s ease; }
.related-card:hover .read-more i { transform: translateX(4px); }

.article-back-row { margin-top: 40px; display: flex; justify-content: center; }
.back-text-link { display: inline-flex; align-items: center; gap: 9px; color: var(--text-muted); font-size: 14px; font-weight: 500; padding: 8px 14px; border-radius: 10px; background: var(--card-bg); box-shadow: 0 1px 4px rgba(11,31,53,.04); }
.back-text-link:hover { color: var(--brand); background: white; }

/* CTA Strip */
.cta-section { max-width: 1280px; margin: 0 auto; padding: 0 32px 96px; }
.cta-panel {
    background: var(--dark-navy);
    border-radius: 24px;
    padding: 48px 56px;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    position: relative;
    overflow: hidden;
}
.cta-panel::after {
    content: "";
    position: absolute;
    right: -80px;
    top: -80px;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: rgba(37,99,235,.08);
}
.cta-panel .cta-copy { position: relative; z-index: 2; flex: 1 1 380px; }
.cta-panel .cta-copy h2 { color: #fff; font-size: 30px; font-weight: 700; margin-bottom: 12px; }
.cta-panel .cta-copy p { color: #AFC3D6; font-size: 15px; margin: 0; }
.cta-panel .btn { position: relative; z-index: 2; }

/* Footer */
.main-footer { background: #FDFDFF; border-top: 1px solid var(--line); margin-top: auto; }
.main-footer .container { max-width: 1280px; padding-left: 32px; padding-right: 32px; }
.footer-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.1fr;
    gap: 40px;
    padding: 60px 0 44px;
}
.footer-brand-logo .logo-icon { background: var(--brand); color: #fff; display: flex; }
.footer-brand-logo span { color: var(--dark-navy); font-weight: 700; }
.footer-col p { color: var(--text-body); font-size: 14px; line-height: 1.85; }
.footer-title { display: block; color: var(--dark-navy); font-size: 15px; font-weight: 700; margin-bottom: 14px; }
.footer-links { display: flex; flex-direction: column; }
.footer-links a { padding: 4px 0; color: var(--text-body); font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.footer-links a:hover { color: var(--brand); }
.footer-links a i { font-size: 12px; color: var(--brand); }
.footer-contact { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.footer-contact li { display: flex; align-items: center; gap: 12px; color: var(--text-body); font-size: 14px; }
.footer-contact li i { color: var(--brand); width: 18px; text-align: center; }
.footer-hr { border: 0; border-top: 1px solid var(--line); margin: 0; }
.footer-copyright { padding: 26px 32px; color: var(--text-muted); font-size: 13px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }
.footer-copyright a { color: var(--text-muted); }
.footer-copyright a:hover { color: var(--brand); }

@media (max-width: 1280px) {
    .container { padding-left: 28px; padding-right: 28px; }
    .cta-section { padding-left: 28px; padding-right: 28px; }
    .footer-copyright { padding-left: 28px; padding-right: 28px; }
}

@media (max-width: 1024px) {
    .app-sidebar {
        width: 320px;
        transform: translateX(-105%);
        visibility: hidden;
        transition: transform .3s ease, visibility .3s ease;
        box-shadow: 0 0 40px rgba(0,0,0,.3);
    }
    body.menu-open .app-sidebar { transform: translateX(0); visibility: visible; }
    body.menu-open .sidebar-overlay { opacity: 1; visibility: visible; }
    .side-close { display: flex; }
    .main-frame { margin-left: 0; }
    .mobile-topbar { display: flex; }
    .site-main { padding-top: 0; }
}

@media (max-width: 900px) {
    .footer-row { grid-template-columns: 1fr 1fr; gap: 32px; }
    .article-main { padding: 36px 20px 72px; }
    .article-card { padding: 36px 34px; }
    .related-grid { grid-template-columns: 1fr; }
    .related-card { max-width: 560px; width: 100%; margin: 0 auto; }
}

@media (max-width: 640px) {
    .container { padding-left: 16px; padding-right: 16px; }
    .site-main { padding: 0; }
    .article-main { padding: 24px 14px 60px; }
    .breadcrumb-line { margin-bottom: 18px; font-size: 13px; }
    .article-card { border-radius: 16px; padding: 28px 20px; }
    .article-title { font-size: 28px; line-height: 1.4; }
    .article-deck { font-size: 15px; padding: 12px 16px; }
    .article-meta { gap: 8px 14px; font-size: 13px; }
    .article-content { font-size: 16px; line-height: 1.85; }
    .article-content h2 { font-size: 23px; }
    .article-content .article-tags-row { flex-direction: column; align-items: flex-start; }
    .cta-section { padding: 0 16px 56px; }
    .cta-panel { padding: 34px 24px; }
    .cta-panel .cta-copy h2 { font-size: 25px; }
    .footer-row { grid-template-columns: 1fr; gap: 28px; padding-top: 42px; }
    .footer-main .footer-row .footer-col { flex: 1 1 100%; }
    .footer-brand { margin-bottom: 4px; }
    .footer-copyright { padding: 20px 16px; gap: 4px; flex-direction: column; }
}

@media (min-width: 641px) and (max-width: 1024px) {
    .related-grid { grid-template-columns: repeat(2, 1fr); }
}

/* roulang page: category1 */
:root {
            --bg: #F4F7FA;
            --card: #FFFFFF;
            --brand: #2563EB;
            --brand-hover: #1D4ED8;
            --brand-light: #EFF4FF;
            --navy: #0B1F35;
            --gold: #E5A43C;
            --green: #16A34A;
            --red: #DC2626;
            --text: #0F172A;
            --text-sub: #596579;
            --text-muted: #8A94A6;
            --border: #E2E8F0;
            --radius-lg: 20px;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 2px 12px rgba(11, 31, 53, 0.06);
            --shadow-hover: 0 10px 32px rgba(11, 31, 53, 0.10);
            --gold-shadow: 0 12px 32px rgba(229, 164, 60, 0.16);
            --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
            --sidebar-w: 272px;
            --section-space: 96px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.7;
        }

        body.menu-open {
            overflow: hidden;
        }

        a {
            color: var(--brand);
            text-decoration: none;
            transition: color .2s ease;
        }

        a:hover {
            text-decoration: none;
        }

        img {
            display: block;
            max-width: 100%;
        }

        button,
        input,
        textarea,
        select {
            font: inherit;
        }

        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.25);
            outline-offset: 2px;
        }

        .sidebar a:focus-visible {
            outline-color: rgba(255, 255, 255, 0.45);
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding-left: 24px;
            padding-right: 24px;
            border: 1px solid transparent;
            border-radius: var(--radius-sm);
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            white-space: nowrap;
            transition: all .22s ease;
        }

        .btn-lg {
            height: 52px;
            padding-left: 30px;
            padding-right: 30px;
            font-size: 17px;
        }

        .btn-sm {
            height: 36px;
            padding-left: 16px;
            padding-right: 16px;
            font-size: 14px;
            border-radius: 9px;
        }

        .btn-primary {
            background: var(--brand);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--brand-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 10px 22px rgba(37, 99, 235, .22);
        }

        .btn-outline {
            background: var(--card);
            color: var(--brand);
            border-color: #D5DDE7;
        }

        .btn-outline:hover {
            border-color: var(--brand);
            background: var(--brand-light);
            color: var(--brand);
        }

        .btn-gold {
            background: var(--gold);
            color: #fff;
        }

        .btn-gold:hover {
            background: #d49432;
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--gold-shadow);
        }

        .btn-light {
            background: #fff;
            color: var(--navy);
        }

        .btn-light:hover {
            background: #eef2f7;
            color: var(--navy);
            transform: translateY(-1px);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            height: 26px;
            padding: 0 10px;
            border-radius: 999px;
            background: var(--brand-light);
            color: var(--brand);
            font-size: 12px;
            font-weight: 600;
            line-height: 1;
        }

        .section {
            padding: var(--section-space) 0;
        }

        .section-bg-white {
            background: var(--card);
        }

        .section-bg-default {
            background: var(--bg);
        }

        .section-head {
            max-width: 760px;
            margin-bottom: 48px;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand);
            letter-spacing: .08em;
            text-transform: uppercase;
            background: var(--brand-light);
            border-radius: 999px;
            height: 30px;
            padding: 0 14px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: clamp(28px, 3.2vw, 38px);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            color: var(--text-sub);
            font-size: 17px;
            line-height: 1.8;
        }

        .app-shell {
            min-height: 100vh;
        }

        .sidebar {
            position: fixed;
            top: 0;
            bottom: 0;
            left: 0;
            width: var(--sidebar-w);
            z-index: 180;
            background: var(--navy);
            color: #E8EEF5;
            display: flex;
            flex-direction: column;
            transition: transform .25s ease;
        }

        .side-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            min-height: 88px;
            padding: 16px 20px;
            color: #fff;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            flex-shrink: 0;
        }

        .side-logo:hover {
            color: #fff;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--brand);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .side-brand-text {
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .side-brand-text strong {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.3;
            white-space: nowrap;
        }

        .side-brand-text small {
            color: #9AAEBD;
            font-size: 12px;
            line-height: 1.3;
        }

        .nav-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
            padding: 24px 16px;
            flex: 1;
            overflow-y: auto;
        }

        .nav-item a {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 44px;
            padding: 0 16px;
            border-radius: 10px;
            color: #B7C5D4;
            font-size: 15px;
            font-weight: 500;
            transition: all .2s ease;
            position: relative;
        }

        .nav-item a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            opacity: .9;
        }

        .nav-item a:hover {
            background: rgba(255, 255, 255, .08);
            color: #fff;
        }

        .nav-item a.active {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            font-weight: 600;
        }

        .nav-item a.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 27%;
            bottom: 27%;
            width: 3px;
            border-radius: 3px;
            background: var(--gold);
        }

        .side-foot {
            padding: 20px;
            border-top: 1px solid rgba(255, 255, 255, .08);
            flex-shrink: 0;
        }

        .side-foot p {
            color: #E8EEF5;
            font-size: 13px;
            margin-bottom: 2px;
            font-weight: 500;
        }

        .side-foot span {
            color: #8f9fb1;
            font-size: 12px;
            line-height: 1.6;
        }

        .side-close {
            position: absolute;
            top: 14px;
            right: 14px;
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: rgba(255, 255, 255, .1);
            border: 0;
            color: #fff;
            cursor: pointer;
            display: none;
            align-items: center;
            justify-content: center;
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 170;
            background: rgba(15, 23, 42, .5);
        }

        .sidebar-overlay.show {
            display: block;
        }

        .mobile-topbar {
            display: none;
        }

        .main-wrapper {
            margin-left: var(--sidebar-w);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        .page-content {
            flex: 1;
        }

        .service-hero {
            position: relative;
            background: var(--card);
            padding: 76px 0 88px;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        .hero-bg-image {
            position: absolute;
            top: 0;
            right: 0;
            width: 68%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.png') no-repeat center / cover;
            opacity: .14;
        }

        .service-hero::before {
            content: "";
            position: absolute;
            top: -260px;
            left: 38%;
            width: 560px;
            height: 560px;
            background: rgba(37, 99, 235, .07);
            border-radius: 50%;
        }

        .service-hero-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.04fr .96fr;
            gap: 56px;
            align-items: center;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--brand);
            background: var(--brand-light);
            height: 30px;
            padding: 0 13px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
        }

        .eyebrow i {
            font-size: 13px;
        }

        .hero-title {
            font-size: clamp(38px, 4.6vw, 56px);
            font-weight: 700;
            line-height: 1.22;
            letter-spacing: -0.02em;
            margin: 20px 0 18px;
        }

        .hero-lead {
            font-size: 18px;
            color: var(--text-sub);
            line-height: 1.85;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            margin-top: 30px;
            flex-wrap: wrap;
        }

        .hero-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px 22px;
            margin-top: 28px;
            color: var(--text-muted);
            font-size: 14px;
        }

        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-meta i {
            color: var(--green);
            font-size: 14px;
        }

        .hero-visual {
            position: relative;
        }

        .hero-visual::before {
            content: "";
            position: absolute;
            left: 24px;
            right: -20px;
            top: 24px;
            bottom: -20px;
            background: var(--brand-light);
            border-radius: 22px;
        }

        .hero-visual-main {
            position: relative;
            z-index: 2;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            border: 1px solid rgba(226, 232, 240, .7);
            aspect-ratio: 4 / 3;
        }

        .hero-visual-main img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-float-chip {
            position: absolute;
            z-index: 3;
            left: -16px;
            bottom: 32px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            border-radius: 14px;
            box-shadow: var(--shadow-hover);
            padding: 14px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--navy);
            border: 1px solid var(--border);
        }

        .hero-float-chip i {
            color: var(--brand);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .feature-card {
            background: var(--card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid rgba(226, 232, 240, .7);
            box-shadow: var(--shadow);
            transition: all .22s ease;
            display: flex;
            flex-direction: column;
        }

        .feature-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(37, 99, 235, .5);
        }

        .feature-media {
            display: block;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
            background: var(--brand-light);
        }

        .feature-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }

        .feature-card:hover .feature-media img {
            transform: scale(1.03);
        }

        .feature-body {
            padding: 26px 28px 28px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .feature-body-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 12px;
        }

        .feature-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--brand-light);
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .feature-title {
            font-size: 21px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .feature-title a {
            color: var(--text);
        }

        .feature-title a:hover {
            color: var(--brand);
        }

        .feature-desc {
            color: var(--text-sub);
            line-height: 1.75;
            font-size: 15px;
        }

        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1px solid #EFF1F5;
        }

        .feature-tags span {
            display: inline-flex;
            align-items: center;
            height: 26px;
            padding: 0 10px;
            border-radius: 999px;
            background: #F5F7FA;
            color: var(--text-sub);
            font-size: 12px;
            font-weight: 500;
        }

        .split-feature {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 64px;
            align-items: center;
        }

        .split-feature+.split-feature {
            margin-top: 76px;
        }

        .split-copy .section-desc {
            margin-top: 14px;
        }

        .check-list {
            list-style: none;
            margin-top: 24px;
            display: grid;
            gap: 14px;
        }

        .check-list li {
            position: relative;
            padding-left: 34px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        .check-list li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 2px;
            width: 22px;
            height: 22px;
            font-size: 12px;
            color: var(--brand);
            background: var(--brand-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .split-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            background: var(--brand-light);
        }

        .split-media img {
            width: 100%;
            aspect-ratio: 10 / 8;
            object-fit: cover;
        }

        .split-media::after {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: var(--radius-lg);
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .32);
        }

        .metric-panel {
            position: relative;
            background: var(--navy);
            border-radius: var(--radius-lg);
            padding: 56px 52px;
            overflow: hidden;
            color: #fff;
        }

        .metric-panel::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.png') no-repeat center / cover;
            opacity: .12;
        }

        .metric-panel .container-fluid {
            position: relative;
            z-index: 2;
        }

        .metric-panel-title {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 700;
            line-height: 1.4;
            max-width: 560px;
            margin-bottom: 10px;
        }

        .metric-panel-desc {
            color: #B7C5D4;
            font-size: 16px;
            max-width: 620px;
            margin-top: 10px;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-top: 48px;
        }

        .metric-item {
            padding: 22px 18px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .09);
        }

        .metric-num {
            display: block;
            font-size: 42px;
            line-height: 1.2;
            font-weight: 700;
            color: #fff;
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.02em;
        }

        .metric-label {
            display: block;
            margin-top: 8px;
            color: #9DAFBF;
            font-size: 14px;
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }

        .process-card {
            background: var(--card);
            border: 1px solid rgba(226, 232, 240, .85);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 30px 26px;
            position: relative;
            transition: all .22s ease;
        }

        .process-card:hover {
            border-color: rgba(37, 99, 235, .45);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .process-num {
            font-size: 38px;
            font-weight: 800;
            color: var(--brand-light);
            line-height: 1;
            display: block;
            margin-bottom: 18px;
            font-variant-numeric: tabular-nums;
        }

        .process-card h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .process-card p {
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.75;
        }

        .faq-wrap {
            max-width: 960px;
            margin: 0 auto;
            display: grid;
            gap: 16px;
        }

        .faq-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 0;
            box-shadow: 0 2px 8px rgba(11, 31, 53, .04);
        }

        .faq-card details {
            border-radius: var(--radius);
        }

        .faq-card summary {
            list-style: none;
            cursor: pointer;
            padding: 22px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            border-radius: var(--radius);
            outline: none;
        }

        .faq-card summary::-webkit-details-marker {
            display: none;
        }

        .faq-card summary:hover {
            color: var(--brand);
        }

        .faq-icon {
            position: relative;
            width: 26px;
            height: 26px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--brand-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all .22s ease;
        }

        .faq-icon::after {
            content: "+";
            font-size: 20px;
            font-weight: 400;
            color: var(--brand);
            line-height: 1;
            display: block;
            transition: transform .22s ease;
        }

        .faq-card details[open] .faq-icon::after {
            transform: rotate(45deg);
        }

        .faq-body {
            padding: 0 28px 24px;
            color: var(--text-sub);
            line-height: 1.8;
            border-top: 1px solid #F0F2F5;
            margin-top: -4px;
            padding-top: 18px;
            font-size: 15px;
        }

        .cta-panel {
            position: relative;
            background: var(--navy);
            border-radius: var(--radius-lg);
            overflow: hidden;
            padding: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 44px;
            color: #fff;
        }

        .cta-panel::after {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') no-repeat center / cover;
            opacity: .12;
        }

        .cta-panel .cta-inner {
            position: relative;
            z-index: 2;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }

        .cta-copy {
            max-width: 640px;
        }

        .cta-copy h2 {
            font-size: clamp(24px, 3vw, 34px);
            line-height: 1.35;
            margin-bottom: 14px;
            font-weight: 700;
        }

        .cta-copy p {
            color: #B7C5D4;
            line-height: 1.8;
            font-size: 15px;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        .main-footer {
            background: var(--card);
            border-top: 1px solid var(--border);
            padding-top: 64px;
        }

        .footer-row {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 44px;
        }

        .footer-brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
        }

        .footer-brand-logo strong {
            font-size: 18px;
            font-weight: 600;
            color: var(--navy);
        }

        .footer-brand-logo small {
            color: var(--text-muted);
            font-size: 12px;
            line-height: 1.4;
        }

        .footer-col .footer-desc {
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 16px;
            max-width: 340px;
        }

        .footer-title {
            display: block;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 11px;
            align-items: flex-start;
        }

        .footer-links a {
            color: var(--text-sub);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .2s ease;
        }

        .footer-links a:hover {
            color: var(--brand);
        }

        .footer-links a i {
            color: var(--brand);
            font-size: 12px;
        }

        .footer-service-meta {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .footer-service-meta p {
            color: var(--text-sub);
            font-size: 14px;
        }

        .footer-service-meta strong {
            display: block;
            color: var(--text);
            font-weight: 600;
            margin-bottom: 4px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 22px 0 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            color: var(--text-muted);
            font-size: 13px;
            flex-wrap: wrap;
        }

        .footer-bottom a {
            color: var(--text-muted);
        }

        .footer-bottom a:hover {
            color: var(--brand);
        }

        @media (max-width: 1280px) {
            .section {
                --section-space: 84px;
            }
            .feature-grid {
                gap: 24px;
            }
            .process-grid {
                gap: 16px;
            }
            .process-card {
                padding: 24px 20px;
            }
        }

        @media (max-width: 1199px) {
            :root {
                --sidebar-w: 240px;
            }
            .side-brand-text strong {
                font-size: 16px;
            }
            .service-hero-grid {
                gap: 40px;
            }
            .split-feature {
                gap: 44px;
            }
            .metrics-grid {
                gap: 18px;
            }
        }

        @media (max-width: 1024px) {
            .mobile-topbar {
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                height: 64px;
                z-index: 160;
                display: flex;
                align-items: center;
                justify-content: space-between;
                background: #fff;
                border-bottom: 1px solid var(--border);
                padding: 0 16px;
                box-shadow: 0 2px 16px rgba(11, 31, 53, .07);
            }

            .mobile-brand {
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
                color: var(--navy);
                font-size: 18px;
                font-weight: 600;
                white-space: nowrap;
            }

            .mobile-brand:hover {
                color: var(--navy);
            }

            .mobile-menu-btn {
                width: 44px;
                height: 44px;
                border: 0;
                background: #F5F7FA;
                color: var(--navy);
                border-radius: 12px;
                font-size: 18px;
                cursor: pointer;
                display: inline-flex;
                align-items: center;
                justify-content: center;
                transition: background .2s;
            }

            .mobile-menu-btn:hover {
                background: var(--brand-light);
                color: var(--brand);
            }

            .sidebar {
                transform: translateX(-100%);
                box-shadow: 12px 0 32px rgba(11, 31, 53, .16);
            }

            .sidebar.open {
                transform: translateX(0);
            }

            .side-close {
                display: inline-flex;
                z-index: 2;
            }

            .main-wrapper {
                margin-left: 0;
                padding-top: 64px;
            }

            .service-hero {
                padding: 56px 0 64px;
            }

            .hero-bg-image {
                width: 100%;
                opacity: .08;
            }

            .service-hero-grid {
                grid-template-columns: 1fr;
                gap: 44px;
            }

            .hero-visual {
                max-width: 640px;
                margin: 0 auto;
                width: 100%;
            }

            .split-feature {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .split-feature+.split-feature {
                margin-top: 60px;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }

            .cta-panel {
                padding: 44px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .section {
                --section-space: 68px;
            }

            .page-content {
                overflow: hidden;
            }

            .service-hero {
                padding-top: 46px;
            }

            .hero-title {
                font-size: clamp(32px, 8vw, 42px);
                margin-top: 16px;
            }

            .hero-lead {
                font-size: 16px;
            }

            .feature-grid {
                grid-template-columns: 1fr;
            }

            .feature-body {
                padding: 22px 20px 24px;
            }

            .split-feature {
                gap: 24px;
            }

            .metric-panel {
                padding: 36px 26px;
                border-radius: var(--radius);
            }

            .metric-panel-title {
                font-size: 24px;
            }

            .metric-panel-desc {
                font-size: 14px;
            }

            .metric-num {
                font-size: 36px;
            }

            .faq-card summary {
                padding: 18px 20px;
            }

            .faq-body {
                padding: 0 20px 20px;
            }

            .cta-panel {
                padding: 36px 24px;
                border-radius: var(--radius);
            }

            .cta-panel .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 26px;
            }

            .footer-row {
                grid-template-columns: 1fr;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .process-grid {
                grid-template-columns: 1fr;
            }

            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .metric-item {
                padding: 18px 14px;
            }

            .metric-num {
                font-size: 30px;
            }

            .hero-actions,
            .cta-actions {
                width: 100%;
                flex-direction: column;
            }

            .hero-actions .btn,
            .cta-actions .btn {
                width: 100%;
            }

            .split-media img {
                aspect-ratio: 4 / 3;
            }

            .feature-media {
                aspect-ratio: 4 / 3;
            }
        }

/* roulang page: category2 */
:root {
            --page-bg: #F4F7FA;
            --card-bg: #FFFFFF;
            --primary: #2563EB;
            --primary-hover: #1D4ED8;
            --primary-soft: #EFF4FF;
            --deep: #0B1F35;
            --gold: #E5A43C;
            --success: #16A34A;
            --danger: #DC2626;
            --text-main: #0F172A;
            --text-body: #596579;
            --text-muted: #8A94A6;
            --line: #E2E8F0;
            --line-soft: #EDF1F6;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-img: 12px;
            --radius-banner: 20px;
            --shadow-card: 0 2px 12px rgba(11, 31, 53, 0.06);
            --shadow-hover: 0 10px 32px rgba(11, 31, 53, 0.10);
            --sidebar-w: 272px;
            --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
            --transition: 0.22s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--page-bg);
            color: var(--text-main);
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body.drawer-lock {
            overflow: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }

        img {
            display: block;
            max-width: 100%;
            border: 0;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: 0;
            background: transparent;
            padding: 0;
        }

        ul,
        ol,
        p,
        h1,
        h2,
        h3,
        h4,
        figure {
            margin-top: 0;
            margin-bottom: 0;
        }

        .skip-link {
            position: fixed;
            left: 16px;
            top: -60px;
            z-index: 9999;
            background: var(--primary);
            color: #fff;
            padding: 10px 16px;
            border-radius: 0 0 10px 10px;
            font-size: 14px;
            transition: top 0.2s ease;
        }

        .skip-link:focus {
            top: 0;
            color: #fff;
        }

        .layout-main {
            margin-left: var(--sidebar-w);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .page-wrap {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 32px 40px 0;
            flex: 1;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 40px;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 200;
            width: var(--sidebar-w);
            background: var(--deep);
            display: flex;
            flex-direction: column;
            padding: 0 16px 24px;
            transition: transform 0.28s ease;
        }

        .sidebar-inner {
            display: flex;
            flex-direction: column;
            height: 100%;
            min-height: 0;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            min-height: 88px;
            padding: 20px 8px 16px;
            color: #fff;
        }

        .brand:hover {
            color: #fff;
        }

        .brand-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.12);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            border: 1px solid rgba(255, 255, 255, 0.16);
            flex: 0 0 auto;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .brand-text strong {
            font-size: 18px;
            font-weight: 600;
            letter-spacing: 0.02em;
            line-height: 1.4;
        }

        .brand-text small {
            margin-top: 2px;
            color: #A6B6C9;
            font-size: 12px;
            letter-spacing: 0.08em;
        }

        .nav-heading-label {
            color: #7B8DA1;
            font-size: 12px;
            letter-spacing: 0.1em;
            padding: 8px 10px 6px;
            margin-top: 8px;
            display: block;
        }

        .nav-list {
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin-top: 12px;
            padding: 0;
            list-style: none;
        }

        .nav-list .nav-item {
            margin: 0;
            padding: 0;
        }

        .nav-list .nav-item a {
            position: relative;
            display: flex;
            align-items: center;
            gap: 12px;
            height: 46px;
            padding: 0 14px;
            border-radius: 10px;
            color: #B7C5D4;
            font-size: 15px;
            font-weight: 500;
            transition: background-color 0.2s ease, color 0.2s ease;
        }

        .nav-list .nav-item a i {
            width: 18px;
            text-align: center;
            font-size: 15px;
            color: #8FA2B8;
            transition: color 0.2s ease;
        }

        .nav-list .nav-item a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .nav-list .nav-item a:hover i {
            color: #fff;
        }

        .nav-list .nav-item a:focus-visible {
            outline: 3px solid rgba(229, 164, 60, 0.6);
            outline-offset: 2px;
        }

        .nav-list .nav-item a.active {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-weight: 600;
        }

        .nav-list .nav-item a.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 12px;
            bottom: 12px;
            width: 3px;
            border-radius: 0 4px 4px 0;
            background: var(--gold);
        }

        .nav-list .nav-item a.active i {
            color: #fff;
        }

        .sidebar-bottom {
            margin-top: auto;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            padding: 14px;
            color: #D7E1EB;
            font-size: 13px;
            line-height: 1.6;
        }

        .sidebar-bottom .side-label {
            display: block;
            color: #91A4B8;
            font-size: 12px;
            margin-bottom: 8px;
        }

        .sidebar-bottom .side-contact {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #F1F5F9;
            font-weight: 500;
            font-variant-numeric: tabular-nums;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            border: 1px solid transparent;
            transition: background-color 0.22s ease, color 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
            white-space: nowrap;
        }

        .btn i {
            font-size: 15px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 16px rgba(37, 99, 235, 0.22);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 10px 24px rgba(37, 99, 235, 0.28);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.3);
            outline-offset: 2px;
        }

        .btn-outline {
            background: var(--card-bg);
            border-color: #CBD5E1;
            color: #263449;
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-soft);
            transform: translateY(-1px);
        }

        .btn-outline:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.2);
            outline-offset: 2px;
        }

        .btn-gold {
            background: var(--gold);
            color: #fff;
            box-shadow: 0 8px 20px rgba(229, 164, 60, 0.26);
        }

        .btn-gold:hover {
            background: #cf922e;
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-gold:focus-visible {
            outline: 3px solid rgba(229, 164, 60, 0.36);
            outline-offset: 2px;
        }

        .btn-sm {
            height: 36px;
            padding: 0 16px;
            font-size: 13px;
            border-radius: 8px;
        }

        .btn-ghost-light {
            border: 1px solid rgba(255, 255, 255, 0.55);
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }

        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: #fff;
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-ghost-light:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.28);
            outline-offset: 2px;
        }

        .hero-section {
            display: grid;
            grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
            gap: 52px;
            align-items: center;
            background: var(--card-bg);
            border: 1px solid var(--line);
            border-radius: 24px;
            padding: 56px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .hero-section::after {
            content: "";
            position: absolute;
            right: -90px;
            top: -90px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(37, 99, 235, 0.05);
            pointer-events: none;
        }

        .hero-copy {
            position: relative;
            z-index: 1;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 12px;
            border-radius: 999px;
            background: var(--primary-soft);
            color: var(--primary-hover);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .eyebrow .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--success);
            box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.14);
        }

        .hero-section h1 {
            font-size: clamp(40px, 5.2vw, 60px);
            line-height: 1.18;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text-main);
            margin: 0 0 18px;
        }

        .hero-section h1 .accent {
            color: var(--primary);
        }

        .hero-lead {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-body);
            max-width: 560px;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 20px;
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 22px;
            color: var(--text-muted);
            font-size: 13px;
            align-items: center;
        }

        .hero-trust span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .hero-trust i {
            color: var(--success);
            font-size: 14px;
        }

        .hero-visual {
            position: relative;
            z-index: 1;
        }

        .hero-visual-media {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 18px 44px rgba(11, 31, 53, 0.14);
            background: var(--primary-soft);
            min-height: 320px;
        }

        .hero-visual-media img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        .visual-file {
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 18px;
            background: #fff;
            border-radius: 14px;
            box-shadow: 0 12px 28px rgba(11, 31, 53, 0.16);
            padding: 14px 16px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .visual-status-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            flex: 0 0 auto;
        }

        .visual-file strong {
            display: block;
            font-size: 14px;
            color: var(--text-main);
        }

        .visual-file span {
            display: block;
            font-size: 12px;
            color: var(--text-muted);
        }

        .section-block {
            margin-top: 96px;
        }

        .section-head {
            max-width: 760px;
            margin-bottom: 40px;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-head h2 {
            font-size: clamp(28px, 3vw, 38px);
            line-height: 1.35;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }

        .section-head .section-lead {
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.8;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 30px 28px 26px;
            box-shadow: var(--shadow-card);
        }

        .stat-card .stat-number {
            font-size: 38px;
            line-height: 1.1;
            color: var(--primary);
            font-weight: 700;
            font-variant-numeric: tabular-nums;
            margin-bottom: 10px;
        }

        .stat-card .stat-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .stat-card .stat-desc {
            color: var(--text-muted);
            font-size: 13px;
            line-height: 1.7;
        }

        .scene-rows {
            display: flex;
            flex-direction: column;
            gap: 48px;
        }

        .scene-row {
            background: var(--card-bg);
            border-radius: 22px;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            display: grid;
            grid-template-columns: 1fr 1fr;
            align-items: center;
            gap: 64px;
            overflow: hidden;
            padding: 34px;
        }

        .scene-row:hover {
            box-shadow: var(--shadow-hover);
        }

        .scene-media {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            background: var(--primary-soft);
            min-height: 320px;
            box-shadow: 0 10px 30px rgba(11, 31, 53, 0.10);
        }

        .scene-media img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .scene-row:hover .scene-media img {
            transform: scale(1.02);
        }

        .scene-count {
            position: absolute;
            left: 18px;
            top: 18px;
            background: rgba(11, 31, 53, 0.78);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.04em;
            font-variant-numeric: tabular-nums;
            padding: 6px 12px;
            border-radius: 999px;
            backdrop-filter: none;
            display: flex;
            align-items: center;
            gap: 7px;
        }

        .scene-count::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gold);
        }

        .scene-text .scene-overline {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }

        .scene-text h3 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 14px;
        }

        .scene-text p {
            color: var(--text-body);
            line-height: 1.9;
            margin-bottom: 18px;
        }

        .scene-points {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .scene-points li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            color: #38445A;
            font-size: 14px;
            line-height: 1.7;
        }

        .scene-points li i {
            color: var(--success);
            font-size: 14px;
            margin-top: 5px;
        }

        .cap-panel {
            background: var(--deep);
            border-radius: 24px;
            color: #fff;
            padding: 56px;
            margin-top: 32px;
        }

        .cap-panel .section-head h2 {
            color: #fff;
        }

        .cap-panel .section-head .section-lead {
            color: #AABBCD;
        }

        .cap-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 6px;
        }

        .cap-item {
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: rgba(255, 255, 255, 0.06);
            border-radius: 16px;
            padding: 24px;
            transition: background-color 0.22s ease, transform 0.22s ease;
        }

        .cap-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        .cap-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(229, 164, 60, 0.18);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 18px;
        }

        .cap-item h4 {
            font-size: 17px;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .cap-item p {
            color: #AABBCD;
            font-size: 13px;
            line-height: 1.75;
            margin: 0;
        }

        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: flow-step;
            position: relative;
        }

        .flow-step {
            position: relative;
            background: var(--card-bg);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 28px 24px 26px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.22s ease, transform 0.22s ease;
        }

        .flow-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .flow-step::before {
            counter-increment: flow-step;
            content: counter(flow-step, decimal-leading-zero);
            font-size: 32px;
            font-weight: 700;
            line-height: 1;
            color: var(--line);
            margin-bottom: 20px;
            display: block;
            letter-spacing: -0.02em;
            font-variant-numeric: tabular-nums;
            transition: color 0.22s ease;
        }

        .flow-step:hover::before {
            color: var(--primary);
        }

        .flow-step h4 {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .flow-step p {
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.75;
            margin: 0;
        }

        .step-note {
            display: inline-block;
            margin-top: 18px;
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
            background: var(--primary-soft);
            border-radius: 999px;
            padding: 4px 12px;
        }

        .faq-wrap {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 16px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 6px 10px;
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 18px 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 18px;
            font-weight: 600;
            font-size: 16px;
            color: var(--text-main);
            line-height: 1.6;
            position: relative;
            border-radius: 12px;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.28);
            outline-offset: 2px;
        }

        .faq-item summary .faq-icon {
            width: 26px;
            height: 26px;
            flex: 0 0 auto;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: transform 0.25s ease, background-color 0.25s ease;
            margin-left: auto;
        }

        .faq-item details[open] summary .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            padding: 0 20px 20px;
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.85;
            border-top: 1px dashed var(--line-soft);
            margin: 0 6px;
        }

        .cta-panel {
            background: var(--deep);
            border-radius: 24px;
            padding: 56px;
            display: grid;
            grid-template-columns: minmax(0, 1.4fr) minmax(0, auto);
            gap: 32px;
            align-items: center;
            color: #fff;
            overflow: hidden;
            position: relative;
        }

        .cta-panel::after {
            content: "";
            position: absolute;
            right: -60px;
            bottom: -100px;
            width: 260px;
            height: 260px;
            border: 40px solid rgba(255, 255, 255, 0.04);
            border-radius: 50%;
        }

        .cta-copy {
            position: relative;
            z-index: 1;
        }

        .cta-copy h2 {
            font-size: clamp(26px, 3vw, 36px);
            line-height: 1.4;
            margin-bottom: 16px;
            color: #fff;
        }

        .cta-copy p {
            color: #AABBCD;
            font-size: 16px;
            line-height: 1.8;
            max-width: 680px;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            position: relative;
            z-index: 1;
        }

        .media-fallback {
            position: relative;
            background: var(--primary-soft);
        }

        .media-fallback::after {
            content: "";
            position: absolute;
            inset: 0;
            background: var(--primary-soft);
        }

        .media-fallback::before {
            content: "\f1c5";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-style: normal;
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #cfdbe9;
            font-size: 34px;
            z-index: 1;
        }

        .layered-card-title {
            text-align: center;
        }

        .card-tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 999px;
            background: var(--primary-soft);
            color: var(--primary-hover);
            font-size: 12px;
            font-weight: 500;
        }

        .source-tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 999px;
            background: #F1F5F9;
            color: var(--text-body);
            font-size: 12px;
            font-weight: 500;
            margin-right: 8px;
            margin-bottom: 8px;
        }

        .divider {
            border: 0;
            border-top: 1px solid var(--line-soft);
            margin: 0;
        }

        .main-footer {
            background: #fff;
            border-top: 1px solid var(--line);
            margin-top: 96px;
        }

        .main-footer .container {
            max-width: 1280px;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.3fr 0.8fr 0.9fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            padding-top: 56px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 18px;
        }

        .footer-logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .footer-brand strong {
            font-size: 18px;
            font-weight: 700;
            display: block;
            line-height: 1.4;
        }

        .footer-brand small {
            color: var(--text-muted);
            font-size: 12px;
        }

        .footer-main .footer-about {
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.85;
            margin-bottom: 18px;
        }

        .footer-title {
            display: block;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.6;
        }

        .footer-links a i {
            font-size: 12px;
            color: #A6B4C5;
            transition: color 0.2s ease, transform 0.2s ease;
        }

        .footer-links a:hover {
            color: var(--primary);
        }

        .footer-links a:hover i {
            color: var(--primary);
            transform: translateX(2px);
        }

        .footer-contact-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-body);
            font-size: 14px;
        }

        .footer-contact-list li i {
            width: 20px;
            color: var(--primary);
            font-size: 15px;
        }

        .copyright-line {
            border-top: 1px solid var(--line-soft);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            color: var(--text-muted);
            font-size: 13px;
            flex-wrap: wrap;
        }

        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 300;
            height: 64px;
            background: rgba(255, 255, 255, 0.96);
            border-bottom: 1px solid var(--line);
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 0 16px;
            transition: box-shadow 0.2s ease;
        }

        .mobile-topbar.scrolled {
            box-shadow: 0 6px 20px rgba(11, 31, 53, 0.08);
        }

        .mobile-menu-btn {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            font-size: 20px;
            flex: 0 0 auto;
        }

        .mobile-menu-btn:hover {
            background: var(--primary-soft);
        }

        .mobile-menu-btn:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.3);
            outline-offset: 2px;
        }

        .mobile-logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-main);
            font-weight: 600;
            font-size: 17px;
            min-width: 0;
        }

        .mobile-logo-link i {
            color: var(--primary);
            font-size: 18px;
        }

        .mobile-logo-link small {
            display: block;
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 400;
        }

        .drawer-mask {
            position: fixed;
            inset: 0;
            background: rgba(11, 31, 53, 0.55);
            z-index: 399;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.24s ease, visibility 0.24s ease;
        }

        .drawer-mask.is-open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            bottom: 0;
            left: 0;
            width: 320px;
            max-width: 86vw;
            z-index: 400;
            background: var(--deep);
            padding: 18px 16px 24px;
            transform: translateX(-100%);
            visibility: hidden;
            transition: transform 0.28s ease, visibility 0.28s ease;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }

        .mobile-drawer.open {
            transform: translateX(0);
            visibility: visible;
        }

        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            padding-bottom: 8px;
        }

        .drawer-close {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            color: #fff;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .drawer-close:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .drawer-close:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.3);
            outline-offset: 2px;
        }

        .drawer-contact {
            margin-top: auto;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            padding: 16px;
            color: #B7C5D4;
            font-size: 13px;
        }

        .drawer-contact .contact-label {
            color: #91A4B8;
            font-size: 12px;
            margin-bottom: 8px;
        }

        .drawer-contact .side-contact {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-weight: 500;
        }

        @media (min-width: 1025px) and (max-width: 1199px) {
            :root {
                --sidebar-w: 240px;
            }

            .page-wrap {
                padding-left: 28px;
                padding-right: 28px;
            }

            .container {
                padding-left: 28px;
                padding-right: 28px;
            }

            .hero-section {
                padding: 44px;
                gap: 36px;
            }

            .stats-grid {
                gap: 16px;
            }

            .cap-grid {
                gap: 16px;
            }

            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .scene-row {
                gap: 36px;
                padding: 24px;
            }
        }

        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                visibility: hidden;
            }

            .layout-main {
                margin-left: 0;
                padding-top: 64px;
            }

            .mobile-topbar {
                display: flex;
            }

            .container {
                padding-left: 24px;
                padding-right: 24px;
            }

            .page-wrap {
                padding: 24px 24px 0;
            }

            .hero-section {
                grid-template-columns: 1fr;
                gap: 40px;
                padding: 40px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .scene-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .scene-row:nth-child(even) .scene-media {
                order: -1;
            }

            .cap-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .faq-wrap {
                grid-template-columns: 1fr;
            }

            .cta-panel {
                grid-template-columns: 1fr;
                padding: 40px;
            }

            .footer-main {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px;
            }
        }

        @media (max-width: 720px) {
            .page-wrap {
                padding: 20px 16px 0;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-section {
                padding: 28px 22px;
                border-radius: 18px;
                gap: 28px;
            }

            .hero-section h1 {
                font-size: 34px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-visual-media {
                min-height: 240px;
            }

            .hero-visual-media img {
                height: 240px;
            }

            .section-block {
                margin-top: 72px;
            }

            .section-head h2 {
                font-size: 28px;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }

            .scene-row {
                padding: 0;
                overflow: hidden;
                border-radius: 18px;
            }

            .scene-text {
                padding: 8px 20px 26px;
            }

            .scene-media {
                border-radius: 0;
                border-bottom: 1px solid var(--line);
                min-height: 220px;
            }

            .scene-media img {
                height: 220px;
            }

            .scene-text h3 {
                font-size: 22px;
            }

            .cap-grid {
                grid-template-columns: 1fr;
            }

            .flow-steps {
                grid-template-columns: 1fr;
            }

            .cap-panel {
                padding: 32px 22px;
                border-radius: 18px;
            }

            .faq-item summary {
                font-size: 15px;
                padding: 16px 8px;
            }

            .faq-answer {
                padding: 0 14px 18px;
            }

            .cta-panel {
                padding: 32px 22px;
                border-radius: 18px;
            }

            .cta-actions .btn {
                width: 100%;
            }

            .footer-main {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-top: 36px;
            }

            .main-footer {
                margin-top: 72px;
            }

            .copyright-line {
                flex-direction: column;
                justify-content: flex-start;
                align-items: flex-start;
                padding: 20px 0;
            }

            .mobile-topbar {
                padding-left: 10px;
                padding-right: 10px;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                gap: 12px;
            }

            .hero-actions .btn {
                height: 46px;
            }

            .cta-copy h2 {
                font-size: 26px;
            }
        }

/* roulang page: category3 */
/* ===== CSS Design Tokens 设计与结构化变量 ===== */
        :root {
            --page-bg: #F4F7FA;
            --card-bg: #FFFFFF;
            --primary: #2563EB;
            --primary-hover: #1D4ED8;
            --primary-light: #EFF4FF;
            --primary-lighter: #F8FAFF;
            --deep-navy: #0B1F35;
            --deep-navy-2: #122A45;
            --deep-navy-text: #D6E1EC;
            --gold: #E5A43C;
            --gold-light: #FDF3E0;
            --success: #16A34A;
            --error: #DC2626;
            --text-main: #0F172A;
            --text-second: #3E4C5C;
            --text-muted: #76849A;
            --border-light: #E2E8F0;
            --border-light-2: #EDF1F6;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-img: 12px;
            --radius-banner: 20px;
            --shadow-card: 0 2px 12px rgba(11, 31, 53, 0.06);
            --shadow-card-hover: 0 12px 28px rgba(11, 31, 53, 0.09);
            --shadow-gold: 0 12px 32px rgba(229, 164, 60, 0.16);
            --space-section: 84px;
            --font-base: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", "Helvetica Neue", sans-serif;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            padding: 0;
            background: var(--page-bg);
            color: var(--text-main);
            font-family: var(--font-base);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body.menu-open {
            overflow: hidden;
        }
        ul, ol {
            padding: 0;
            margin: 0;
            list-style: none;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.22s ease;
        }
        img {
            max-width: 100%;
            display: block;
            border: 0;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            border-radius: 0;
        }
        h1, h2, h3, h4, h5, h6 {
            margin: 0;
            line-height: 1.35;
            color: var(--text-main);
            font-weight: 700;
        }
        p {
            margin: 0;
        }
        figure {
            margin: 0;
        }
        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            border: 1px solid transparent;
            cursor: pointer;
            font-weight: 600;
            line-height: 1;
            transition: all 0.22s ease;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            height: 48px;
            padding: 0 26px;
            font-size: 15px;
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.2);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.3);
            outline-offset: 2px;
        }
        .btn-outline {
            background: transparent;
            border-color: #C8D4E3;
            color: var(--primary);
            height: 48px;
            padding: 0 24px;
            font-size: 15px;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            background: var(--primary-light);
            transform: translateY(-1px);
            color: var(--primary);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-outline:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.2);
            outline-offset: 2px;
        }
        .btn-sm {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0 18px;
            height: 36px;
            border-radius: 8px;
            font-size: 14px;
            gap: 6px;
            cursor: pointer;
            border: 1px solid transparent;
            font-weight: 500;
            transition: all 0.22s ease;
            white-space: nowrap;
        }
        .btn-sm.btn-primary {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .btn-sm.btn-primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            color: #fff;
        }
        .btn-sm.btn-outline {
            background: transparent;
            border-color: #D0DAE8;
            color: var(--text-main);
        }
        .btn-sm.btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        /* ===== App Shell Sidebar 桌面端侧栏 ===== */
        .app-shell {
            min-height: 100vh;
        }
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 272px;
            height: 100vh;
            background: var(--deep-navy);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease;
        }
        .sidebar-header {
            height: 88px;
            display: flex;
            align-items: center;
            justify-content: flex-start;
            padding: 0 20px;
            gap: 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .sidebar-header .sidebar-logo {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .sidebar-header .sidebar-logo-title {
            color: #fff;
            font-weight: 600;
            font-size: 18px;
            letter-spacing: 0.2px;
            line-height: 1.4;
        }
        .sidebar-header .sidebar-logo-sub {
            display: block;
            font-size: 12px;
            color: #7E93AB;
            font-weight: 400;
            letter-spacing: 0.3px;
        }
        .sidebar-nav {
            flex: 1;
            padding: 20px 16px;
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: #253B51 transparent;
        }
        .sidebar-nav::-webkit-scrollbar {
            width: 4px;
        }
        .sidebar-nav::-webkit-scrollbar-thumb {
            background: #253B51;
            border-radius: 8px;
        }
        .nav-list {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .nav-item a {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 46px;
            padding: 0 18px;
            border-radius: 10px;
            color: #C2CFDE;
            font-size: 15px;
            font-weight: 500;
            transition: all 0.22s ease;
            position: relative;
            background: transparent;
        }
        .nav-item a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            color: #7E93AB;
            transition: color 0.22s ease;
        }
        .nav-item a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .nav-item a:hover i {
            color: #fff;
        }
        .nav-item a.active {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-weight: 600;
        }
        .nav-item a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 22px;
            background: var(--gold);
            border-radius: 0 4px 4px 0;
        }
        .nav-item a.active i {
            color: var(--gold);
        }
        .sidebar-bottom {
            padding: 24px 20px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .sidebar-contact {
            font-size: 13px;
            color: #8CA2B8;
            line-height: 1.8;
        }
        .sidebar-bottom .copyright-mini {
            font-size: 12px;
            color: #5C7290;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        /* ===== Mobile Header 顶部栏 ===== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: #fff;
            z-index: 1040;
            align-items: center;
            padding: 0 16px;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 12px rgba(11, 31, 53, 0.05);
        }
        .mobile-header .mobile-menu-toggle {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: none;
            background: transparent;
            border-radius: 8px;
            cursor: pointer;
            color: var(--text-main);
            font-size: 20px;
            transition: background 0.2s ease;
        }
        .mobile-header .mobile-menu-toggle:hover {
            background: var(--page-bg);
        }
        .mobile-header .mobile-logo {
            flex: 1;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            color: var(--text-main);
        }
        .mobile-header .mobile-logo .logo-icon {
            width: 28px;
            height: 28px;
        }
        .mobile-header .mobile-right-space {
            width: 44px;
        }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(11, 31, 53, 0.5);
            z-index: 1061;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }
        .drawer-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        .drawer-close-top {
            display: flex;
            justify-content: flex-end;
            padding: 12px 12px 0 12px;
            background: var(--deep-navy);
        }
        .drawer-close-btn {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.08);
            border: none;
            color: #fff;
            font-size: 18px;
            cursor: pointer;
            transition: all 0.2s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .drawer-close-btn:hover {
            background: rgba(255, 255, 255, 0.18);
        }

        /* ===== Main Content / 右侧主内容 ===== */
        .main-wrapper {
            margin-left: 272px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background: var(--page-bg);
        }
        .main-content {
            flex: 1;
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== Page Hero Banner 内页头部 ===== */
        .category-hero {
            background: #fff;
            border-radius: 0 0 20px 20px;
            padding: 52px 0 48px;
            margin-bottom: var(--space-section);
            border-bottom: 1px solid var(--border-light-2);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(255, 255, 255, 0.88);
            border-radius: 0 0 20px 20px;
        }
        .category-hero-inner {
            position: relative;
            z-index: 2;
        }
        .category-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: 999px;
            padding: 6px 14px;
            margin-bottom: 18px;
        }
        .category-hero h1 {
            font-size: clamp(32px, 4vw, 44px);
            line-height: 1.25;
            margin-bottom: 16px;
            color: var(--deep-navy);
        }
        .category-hero .hero-description {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-second);
            max-width: 640px;
        }
        .category-hero .hero-meta-info {
            margin-top: 22px;
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            color: var(--text-muted);
            font-size: 14px;
        }
        .category-hero .hero-meta-info span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .category-hero .hero-meta-info i {
            color: var(--primary);
        }

        /* ===== Section spacing standard ===== */
        .section-standard {
            margin-bottom: var(--space-section);
        }
        .section-title-wrap {
            margin-bottom: 40px;
        }
        .section-title-wrap .section-eyebrow {
            display: block;
            font-size: 13px;
            letter-spacing: 1px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 8px;
        }
        .section-title-wrap h2 {
            font-size: clamp(24px, 2.6vw, 32px);
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .section-title-wrap .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
        }

        /* ===== 数据指标条 Metrics 板块 ===== */
        .metrics-block {
            background: var(--deep-navy);
            border-radius: var(--radius-banner);
            padding: 42px 40px;
            margin-bottom: var(--space-section);
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            position: relative;
            overflow: hidden;
        }
        .metrics-block::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
        }
        .metrics-block::before {
            content: '';
            position: absolute;
            left: 40px;
            bottom: -90px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(37, 99, 235, 0.15);
            filter: blur(30px);
        }
        .metric-item {
            position: relative;
            z-index: 2;
            padding-left: 18px;
            border-left: 3px solid rgba(229, 164, 60, 0.7);
        }
        .metric-item .metric-num {
            font-size: 38px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.5px;
            line-height: 1.3;
            font-variant-numeric: tabular-nums;
            display: flex;
            align-items: baseline;
        }
        .metric-item .metric-unit {
            font-size: 16px;
            font-weight: 600;
            color: var(--gold);
            margin-left: 4px;
        }
        .metric-item .metric-label {
            margin-top: 8px;
            font-size: 14px;
            color: var(--deep-navy-text);
            line-height: 1.5;
        }

        /* ===== 双列大案例卡片区 ===== */
        .cases-double {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
            margin-bottom: var(--space-section);
        }
        .case-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 0;
            overflow: hidden;
            transition: all 0.25s ease;
            border: 1px solid rgba(226, 232, 240, 0.6);
            display: flex;
            flex-direction: column;
        }
        .case-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: #C7DDFE;
        }
        .case-card .case-cover {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--primary-lighter);
        }
        .case-card .case-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .case-card:hover .case-cover img {
            transform: scale(1.02);
        }
        .case-card .case-overlay-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(11, 31, 53, 0.78);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            border-radius: 999px;
            padding: 5px 14px;
            backdrop-filter: none;
            letter-spacing: 0.3px;
            z-index: 3;
        }
        .case-card .case-label {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--gold);
            color: var(--deep-navy);
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            z-index: 3;
        }
        .case-card-body {
            padding: 28px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .case-card-body h3 {
            font-size: 20px;
            margin-bottom: 12px;
            line-height: 1.5;
            color: var(--text-main);
        }
        .case-card-body .case-desc {
            font-size: 15px;
            color: var(--text-second);
            line-height: 1.85;
            margin-bottom: 20px;
        }
        .case-card-body .case-divider {
            border: none;
            border-top: 1px solid var(--border-light-2);
            margin: 0 0 18px 0;
        }
        .case-metrics-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 18px;
        }
        .case-metrics-row .metric-pill {
            background: var(--primary-lighter);
            border: 1px solid #DCE7FA;
            color: var(--primary);
            border-radius: 999px;
            padding: 5px 14px;
            font-size: 13px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .case-metrics-row .metric-pill i {
            font-size: 12px;
        }
        .case-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 18px;
        }
        .case-card .tag-case {
            background: #F1F5F9;
            border-radius: 6px;
            font-size: 12px;
            padding: 4px 10px;
            color: var(--text-second);
            line-height: 1.4;
        }
        .case-footer-linear {
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1px solid var(--border-light-2);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .case-client {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .case-client .client-avatar {
            width: 32px;
            height: 32px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
        }
        .case-client .client-name {
            font-size: 13px;
            color: var(--text-muted);
        }
        .case-link-angle {
            color: var(--primary);
            font-size: 14px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.2s ease, color 0.2s ease;
        }
        .case-link-angle:hover {
            gap: 10px;
            color: var(--primary-hover);
        }
        .case-link-angle i {
            font-size: 12px;
        }

        /* ===== 实施路径 / 流程摘要 ===== */
        .service-flow-band {
            background: var(--primary-light);
            border-radius: var(--radius-card);
            padding: 40px;
            margin-bottom: var(--space-section);
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 40px;
            align-items: center;
        }
        .service-flow-band .left-part h2 {
            font-size: 24px;
            margin-bottom: 12px;
        }
        .service-flow-band .left-part p {
            color: var(--text-second);
            font-size: 15px;
            line-height: 1.85;
        }
        .service-flow-steps {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .service-flow-steps .flow-step {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: #fff;
            border-radius: 12px;
            padding: 18px 20px;
            border: 1px solid #E4EDFA;
            transition: all 0.22s ease;
        }
        .service-flow-steps .flow-step:hover {
            border-color: var(--primary);
            box-shadow: 0 6px 16px rgba(37, 99, 235, 0.08);
        }
        .flow-step .step-num-circle {
            width: 36px;
            height: 36px;
            min-width: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: white;
            font-size: 14px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
        }
        .flow-step .step-info .step-title {
            font-weight: 600;
            font-size: 15px;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 4px;
        }
        .flow-step .step-info .step-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 案例经验复用区块 ===== */
        .insight-panel {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: var(--space-section);
        }
        .insight-card {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px;
            border-left: 4px solid var(--gold);
            transition: all 0.22s ease;
        }
        .insight-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .insight-card .insight-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
            color: var(--gold);
            background: var(--gold-light);
        }
        .insight-card h3 {
            font-size: 17px;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .insight-card p {
            font-size: 14px;
            color: var(--text-second);
            line-height: 1.8;
        }

        /* ===== FAQ 板块 ===== */
        .faq-section {
            margin-bottom: var(--space-section);
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .faq-item-accordion {
            background: #fff;
            border-radius: 12px;
            border: 1px solid var(--border-light);
            padding: 20px 24px;
            box-shadow: 0 1px 6px rgba(11, 31, 53, 0.04);
            transition: border-color 0.22s ease, box-shadow 0.22s ease;
        }
        .faq-item-accordion:hover {
            border-color: #BFD7FF;
            box-shadow: var(--shadow-card);
        }
        .faq-item-accordion details {
            display: block;
        }
        .faq-item-accordion summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            list-style: none;
            padding: 4px 0;
            gap: 24px;
            outline: none;
            user-select: none;
        }
        .faq-item-accordion summary::-webkit-details-marker {
            display: none;
        }
        .faq-item-accordion summary:focus-visible {
            outline: 2px solid rgba(37, 99, 235, 0.4);
            outline-offset: 4px;
            border-radius: 6px;
        }
        .faq-item-accordion summary .faq-toggle-icon {
            position: relative;
            width: 24px;
            height: 24px;
            min-width: 24px;
            border-radius: 6px;
            background: #F1F5F9;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-second);
            font-size: 14px;
            transition: all 0.25s ease;
        }
        .faq-item-accordion details[open] summary .faq-toggle-icon {
            background: var(--primary-light);
            color: var(--primary);
            transform: rotate(45deg);
        }
        .faq-item-accordion .faq-body {
            font-size: 14px;
            color: var(--text-second);
            line-height: 1.85;
            padding-top: 14px;
            margin-top: 6px;
            border-top: 1px solid var(--border-light-2);
        }

        /* ===== CTA 板块 ===== */
        .cta-section {
            margin-bottom: var(--space-section);
        }
        .cta-band {
            background: var(--deep-navy);
            border-radius: var(--radius-banner);
            padding: 44px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
        }
        .cta-band::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: 20%;
            width: 240px;
            height: 240px;
            background: rgba(229, 164, 60, 0.06);
            border-radius: 50%;
        }
        .cta-band .cta-text {
            position: relative;
            z-index: 2;
            color: white;
            flex: 1;
            min-width: 260px;
        }
        .cta-band .cta-text h2 {
            color: #fff;
            font-size: 26px;
            margin-bottom: 8px;
        }
        .cta-band .cta-text p {
            color: var(--deep-navy-text);
            font-size: 15px;
            line-height: 1.8;
        }
        .cta-band .cta-button-wrap {
            position: relative;
            z-index: 3;
            flex-shrink: 0;
        }
        .btn-white-gold {
            background: #fff;
            color: var(--primary);
            border: none;
            padding: 0 32px;
            height: 50px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            transition: all 0.22s ease;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }
        .btn-white-gold:hover {
            background: var(--gold);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(229, 164, 60, 0.25);
        }
        .btn-white-gold i {
            font-size: 16px;
        }
        .btn-white-outline {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.45);
            padding: 0 24px;
            height: 50px;
            border-radius: 10px;
            font-weight: 500;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            margin-left: 12px;
            transition: all 0.22s ease;
        }
        .btn-white-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* ===== 页脚 Footer ===== */
        .main-footer {
            background: #FFFFFF;
            border-top: 1px solid var(--border-light);
            padding: 52px 0 0;
        }
        .container-custom.footer-container {
            max-width: 1280px;
        }
        .footer-row {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
            gap: 44px;
            margin-bottom: 36px;
        }
        .footer-title {
            display: block;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 20px;
            letter-spacing: 0.2px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-second);
            font-size: 14px;
            transition: all 0.2s ease;
        }
        .footer-links a i {
            font-size: 11px;
            color: var(--primary);
            transition: none;
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-brand-desc {
            margin-top: 12px;
            margin-bottom: 16px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
        }
        .footer-back-btn {
            margin-top: 10px;
        }
        .footer-contact-block p {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
            color: var(--text-second);
            font-size: 14px;
        }
        .footer-contact-block p i {
            color: var(--primary);
            width: 18px;
            text-align: center;
        }
        .footer-bottom-row {
            border-top: 1px solid var(--border-light-2);
            padding: 20px 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 10px;
        }
        .footer-bottom-row .footer-supported {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199px) {
            .sidebar {
                width: 240px;
            }
            .main-wrapper {
                margin-left: 240px;
            }
            .metric-item .metric-num {
                font-size: 32px;
            }
            .service-flow-band {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                width: 320px;
            }
            .sidebar.active {
                transform: translateX(0);
                box-shadow: 0 0 60px rgba(11, 31, 53, 0.2);
            }
            .mobile-header {
                display: flex;
                position: sticky;
                top: 0;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .main-content {
                padding: 0 28px;
            }
            .metric-item .metric-num {
                font-size: 28px;
            }
            .metrics-block {
                padding: 32px 24px;
                gap: 16px;
            }
            .cases-double {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .case-card-body {
                padding: 24px;
            }
            .footer-row {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .cta-band {
                padding: 36px 28px;
            }
        }
        @media (max-width: 768px) {
            .main-content {
                padding: 0 20px;
            }
            .category-hero {
                padding: 38px 0 36px;
            }
            .metrics-block {
                grid-template-columns: repeat(2, 1fr);
                row-gap: 24px;
            }
            .metrics-block {
                padding: 28px 20px;
            }
            .metric-item .metric-num {
                font-size: 30px;
            }
            .service-flow-band {
                padding: 24px;
            }
            .insight-panel {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-row {
                grid-template-columns: 1fr 1fr;
                gap: 28px 16px;
            }
            .footer-bottom-row {
                flex-direction: column;
                justify-content: center;
            }
            .cta-band .cta-button-wrap .btn-white-outline {
                margin-left: 0;
                margin-top: 12px;
            }
            .case-card-body {
                padding: 20px;
            }
        }
        @media (max-width: 520px) {
            .main-content {
                padding: 0 16px;
            }
            .category-hero .hero-meta-info {
                gap: 12px;
                flex-direction: column;
                align-items: flex-start;
            }
            .metrics-block {
                grid-template-columns: 1fr 1fr;
                padding: 24px 18px;
                gap: 12px;
                border-radius: 14px;
            }
            .metric-item .metric-num {
                font-size: 26px;
            }
            .metric-item .metric-label {
                font-size: 13px;
            }
            .cases-double {
                gap: 20px;
            }
            .case-card-body {
                padding: 18px;
            }
            .case-footer-linear {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-band {
                padding: 28px 20px;
            }
            .cta-band .cta-button-wrap {
                display: flex;
                flex-direction: column;
                gap: 10px;
                align-items: flex-start;
            }
            .btn-white-gold {
                width: 100%;
                justify-content: center;
            }
            .btn-white-outline {
                width: 100%;
                justify-content: center;
                margin-left: 0;
                margin-top: 8px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
        }

        /* ===== 移动端抽屉菜单内导航 ===== */
        .sidebar-mobile-nav {
            background: var(--deep-navy);
            padding: 0 0 16px;
            height: calc(100vh - 76px);
            overflow-y: auto;
        }

        /* ===== 图片加载失败兜底 ===== */
        .img-fluid-fallback {
            position: relative;
            background: var(--primary-light);
        }
        .img-fluid-fallback img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        img[data-fallback] {
            position: relative;
        }

        /* 图片全局底色兜底 */
        .case-cover {
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-lighter);
        }
        .case-cover img {
            position: relative;
        }
        .cases-double .case-card:first-child .case-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(11, 31, 53, 0.35) 100%);
            z-index: 1;
        }

        /* ===== 页面特有附加样式 ===== */
        .backpic-layer {
            background-image: url('/assets/images/backpic/back-2.png');
            background-position: center;
            background-size: cover;
            background-repeat: no-repeat;
        }
        .dark-bit-marker {
            background: var(--deep-navy-2);
        }
        .success-icon-list li {
            display: flex;
            gap: 10px;
            margin-bottom: 12px;
            color: var(--text-second);
            font-size: 15px;
            line-height: 1.7;
        }
        .success-icon-list li i {
            color: var(--success);
            margin-top: 4px;
            min-width: 16px;
        }
        .note-callout {
            margin-top: 16px;
            padding: 12px 18px;
            background: var(--primary-light);
            border-radius: 10px;
            border-left: 3px solid var(--primary);
            font-size: 14px;
            color: var(--text-second);
        }
        .mt-20 {
            margin-top: 20px;
        }
        .pt-16 {
            padding-top: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }

/* roulang page: category4 */
:root {
            --page-bg: #F4F7FA;
            --surface: #FFFFFF;
            --brand: #2563EB;
            --brand-hover: #1D4ED8;
            --brand-soft: #EFF4FF;
            --dark: #0B1F35;
            --dark-soft: #132C46;
            --gold: #E5A43C;
            --text: #0F172A;
            --text-muted: #596579;
            --text-faint: #8A94A6;
            --border: #E2E8F0;
            --line: #EDF1F6;
            --green: #16A34A;
            --red: #DC2626;
            --radius-lg: 20px;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-img: 12px;
            --shadow-card: 0 2px 12px rgba(11, 31, 53, 0.06);
            --shadow-hover: 0 10px 32px rgba(11, 31, 53, 0.10);
            --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--page-bg);
            -webkit-font-smoothing: antialiased;
        }

        body.menu-open {
            overflow: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .22s ease, background .22s ease, border-color .22s ease, box-shadow .22s ease, transform .22s ease;
        }

        img {
            max-width: 100%;
            display: block;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        h1, h2, h3, h4, h5 {
            margin: 0;
            line-height: 1.4;
            font-weight: 700;
            color: var(--text);
        }

        p {
            margin: 0;
        }

        .app-shell {
            min-height: 100vh;
            background: var(--page-bg);
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 272px;
            background: var(--dark);
            color: #DCE5EF;
            padding: 22px 16px 20px;
            display: flex;
            flex-direction: column;
            z-index: 90;
            overflow-y: auto;
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .sidebar-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 8px 24px;
            min-height: 66px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--brand);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex: none;
            box-shadow: 0 6px 16px rgba(37, 99, 235, 0.24);
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.3;
        }

        .brand-text strong {
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: .5px;
        }

        .brand-text small {
            margin-top: 2px;
            font-size: 12px;
            color: #7E93A8;
        }

        .sidebar-close {
            display: none;
            width: 36px;
            height: 36px;
            border: none;
            border-radius: 10px;
            color: #DCE5EF;
            background: rgba(255, 255, 255, 0.08);
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        .nav-list {
            margin-top: 10px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .nav-item a {
            display: flex;
            align-items: center;
            gap: 13px;
            width: 100%;
            height: 48px;
            padding: 0 16px;
            border-radius: 12px;
            color: #AEBFCE;
            font-size: 15px;
            font-weight: 500;
            position: relative;
            border: 1px solid transparent;
        }

        .nav-item a i {
            width: 18px;
            text-align: center;
            font-size: 16px;
            color: #7E93A8;
            transition: color .22s ease;
        }

        .nav-item a:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-item a:hover i {
            color: #FFFFFF;
        }

        .nav-item a.active {
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            font-weight: 600;
        }

        .nav-item a.active::before {
            content: "";
            position: absolute;
            left: -1px;
            top: 12px;
            width: 3px;
            height: 24px;
            border-radius: 0 4px 4px 0;
            background: var(--gold);
        }

        .nav-item a.active i {
            color: #fff;
        }

        .sidebar-contact {
            margin-top: auto;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            padding: 18px;
        }

        .sidebar-contact-title {
            color: #FFFFFF;
            font-weight: 600;
            font-size: 14px;
            margin-bottom: 6px;
        }

        .sidebar-contact p {
            margin: 0;
            color: #8FA4B8;
            font-size: 13px;
            line-height: 1.7;
        }

        .sidebar-copy {
            padding: 16px 4px 0;
            font-size: 12px;
            color: #5F7286;
        }

        .main-wrap {
            margin-left: 272px;
            min-height: 100vh;
        }

        .main-content {
            min-height: calc(100vh - 160px);
        }

        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            z-index: 70;
            align-items: center;
            gap: 14px;
            padding: 0 18px;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 10px rgba(11, 31, 53, 0.04);
        }

        .mobile-header .mobile-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 18px;
            color: var(--text);
        }

        .mobile-header .mobile-brand .mini-mark {
            width: 30px;
            height: 30px;
            border-radius: 9px;
            background: var(--brand);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 800;
        }

        .mobile-menu-toggle {
            width: 44px;
            height: 44px;
            border: none;
            background: transparent;
            color: var(--text);
            font-size: 20px;
            border-radius: 10px;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .mobile-menu-toggle:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.28);
        }

        .sidebar-overlay {
            position: fixed;
            inset: 0;
            background: rgba(11, 31, 53, 0.5);
            opacity: 0;
            visibility: hidden;
            transition: opacity .25s ease, visibility .25s ease;
            z-index: 79;
        }

        .sidebar-overlay.is-visible {
            opacity: 1;
            visibility: visible;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 42px 40px 72px;
        }

        .category-head {
            position: relative;
            background-image: linear-gradient(120deg, rgba(244, 247, 250, 0.98) 0%, rgba(239, 244, 255, 0.94) 70%, rgba(255, 255, 255, 0.92) 100%), url("/assets/images/backpic/back-1.png");
            background-size: cover;
            background-position: center;
            border: 1px solid #E6EDF5;
            border-radius: 24px;
            padding: 52px 52px 48px;
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }

        .category-head::after {
            content: "";
            position: absolute;
            right: -80px;
            top: -100px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            border: 34px solid rgba(37, 99, 235, 0.08);
            pointer-events: none;
        }

        .category-head-inner {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .crumb {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid #E4EBF4;
            box-shadow: var(--shadow-card);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .crumb a {
            color: var(--brand);
            font-weight: 500;
        }

        .crumb a:hover {
            text-decoration: underline;
        }

        .crumb i {
            font-size: 12px;
            color: var(--text-faint);
        }

        .category-head h1 {
            font-size: clamp(34px, 5vw, 50px);
            line-height: 1.2;
            letter-spacing: -0.5px;
            margin: 12px 0 14px;
        }

        .category-head .lead {
            max-width: 720px;
            color: var(--text-muted);
            font-size: 17px;
            line-height: 1.9;
            margin-bottom: 30px;
        }

        .category-head .head-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--brand);
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 1px;
        }

        .section {
            margin-top: 40px;
        }

        .section-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 24px;
        }

        .section-heading h2 {
            font-size: clamp(26px, 3vw, 34px);
            margin-top: 4px;
        }

        .section-heading .section-sub {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 640px;
        }

        .live-dot {
            display: inline-block;
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--green);
            margin-right: 10px;
            position: relative;
        }

        .live-dot::before {
            content: "";
            position: absolute;
            inset: -4px;
            border-radius: inherit;
            border: 1px solid rgba(22, 163, 74, 0.5);
            animation: pulse 1.8s ease-out infinite;
        }

        @keyframes pulse {
            0% {
                transform: scale(0.8);
                opacity: 0.8;
            }
            100% {
                transform: scale(1.8);
                opacity: 0;
            }
        }

        .feature-split {
            display: grid;
            grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
            gap: 28px;
            align-items: stretch;
        }

        .card {
            background: var(--surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid #EEF2F8;
        }

        .featured-card {
            overflow: hidden;
            transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
        }

        .featured-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: #D6E0F2;
        }

        .featured-media {
            position: relative;
            aspect-ratio: 16 / 9;
            background: var(--brand-soft);
            overflow: hidden;
            border-radius: 0;
        }

        .featured-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .featured-card:hover .featured-media img {
            transform: scale(1.03);
        }

        .featured-body {
            padding: 30px;
        }

        .featured-body h3 {
            font-size: 23px;
            line-height: 1.5;
            margin-bottom: 12px;
        }

        .featured-body p {
            color: var(--text-muted);
            line-height: 1.85;
            margin-bottom: 20px;
        }

        .meta-line {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            color: var(--text-faint);
            font-size: 13px;
        }

        .pill {
            display: inline-flex;
            align-items: center;
            height: 28px;
            padding: 0 12px;
            border-radius: 999px;
            background: var(--brand-soft);
            color: var(--brand);
            font-size: 13px;
            font-weight: 600;
        }

        .pill-gold {
            background: #FBF1E2;
            color: #A66C16;
        }

        .read-more {
            margin-left: auto;
            color: var(--brand);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .side-latest {
            padding: 28px;
        }

        .side-latest-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 10px;
        }

        .side-latest-title h3 {
            font-size: 20px;
        }

        .side-latest-title span {
            font-size: 13px;
            color: var(--green);
            font-weight: 600;
        }

        .latest-list {
            display: flex;
            flex-direction: column;
        }

        .latest-item {
            display: flex;
            justify-content: space-between;
            gap: 18px;
            padding: 18px 2px;
            border-bottom: 1px solid var(--line);
            transition: background .22s ease, padding-left .22s ease;
        }

        .latest-item:last-child {
            border-bottom: 0;
        }

        .latest-item:hover {
            padding-left: 8px;
            background: #F9FBFE;
        }

        .latest-item-left {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .latest-item h4 {
            font-size: 15px;
            line-height: 1.6;
            font-weight: 600;
            margin: 0;
        }

        .latest-item .latest-title-link {
            color: var(--text);
        }

        .latest-item:hover .latest-title-link {
            color: var(--brand);
        }

        .latest-tag {
            display: inline-flex;
            font-size: 12px;
            color: var(--brand);
            background: var(--brand-soft);
            border-radius: 999px;
            padding: 3px 10px;
            width: fit-content;
            font-weight: 600;
        }

        .latest-date {
            font-size: 13px;
            color: var(--text-faint);
            white-space: nowrap;
            padding-top: 4px;
            font-variant-numeric: tabular-nums;
        }

        .channels-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 24px;
        }

        .channel-card {
            background: var(--surface);
            border: 1px solid #EDF1F6;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 30px;
            transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
        }

        .channel-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: #DCE5F1;
        }

        .channel-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--brand-soft);
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 18px;
        }

        .channel-card h3 {
            font-size: 21px;
            margin-bottom: 10px;
        }

        .channel-card p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 18px;
        }

        .channel-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .mini-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            font-size: 12px;
            border-radius: 999px;
            background: #F5F7FB;
            color: var(--text-muted);
            border: 1px solid #E6EBF2;
            font-weight: 500;
        }

        .direction-panel {
            background: var(--dark);
            border-radius: 24px;
            color: #DCE5EF;
            padding: 44px 48px;
            display: grid;
            grid-template-columns: 0.9fr 1.35fr;
            gap: 48px;
            align-items: center;
        }

        .direction-panel h2 {
            color: #fff;
            font-size: 28px;
            line-height: 1.4;
            margin-bottom: 14px;
        }

        .direction-panel .direction-lead {
            color: #A9BAD0;
            font-size: 15px;
        }

        .direction-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            gap: 4px;
        }

        .direction-list li {
            display: flex;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            align-items: flex-start;
        }

        .direction-list li:last-child {
            border-bottom: none;
        }

        .direction-num {
            font-size: 14px;
            font-weight: 700;
            color: var(--gold);
            min-width: 24px;
            font-variant-numeric: tabular-nums;
            padding-top: 2px;
        }

        .direction-list h4 {
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 6px;
        }

        .direction-list p {
            color: #92A6BC;
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }

        .faq-panel {
            margin-top: 24px;
        }

        .faq-item {
            background: #FFFFFF;
            border: 1px solid #EDF1F6;
            border-radius: 16px;
            box-shadow: var(--shadow-card);
            margin-bottom: 14px;
            overflow: hidden;
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 24px 54px 24px 28px;
            font-size: 16px;
            font-weight: 600;
            line-height: 1.65;
            position: relative;
            display: flex;
            align-items: center;
            color: var(--text);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "+";
            position: absolute;
            right: 22px;
            top: 50%;
            transform: translateY(-50%);
            width: 32px;
            height: 32px;
            background: #F5F7FB;
            border-radius: 10px;
            color: var(--text-muted);
            font-size: 22px;
            font-weight: 400;
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
            transition: transform .22s ease, background .22s ease, color .22s ease;
        }

        .faq-item[open] summary::after {
            content: "+";
            transform: translateY(-50%) rotate(45deg);
            background: var(--brand);
            color: #fff;
        }

        .faq-item summary:hover {
            background: #FAFCFF;
        }

        .faq-answer {
            padding: 4px 54px 26px 28px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.9;
        }

        .cta-panel {
            background: var(--brand);
            border-radius: 24px;
            padding: 52px 48px;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 36px;
            margin-top: 48px;
            box-shadow: 0 16px 40px rgba(37, 99, 235, 0.22);
            position: relative;
            overflow: hidden;
        }

        .cta-panel::after {
            content: "";
            position: absolute;
            right: -80px;
            bottom: -110px;
            width: 280px;
            height: 280px;
            border: 44px solid rgba(255, 255, 255, 0.09);
            border-radius: 50%;
        }

        .cta-panel h2 {
            color: #FFFFFF;
            font-size: clamp(24px, 3.4vw, 32px);
            line-height: 1.4;
            margin-bottom: 10px;
        }

        .cta-panel p {
            color: rgba(255, 255, 255, 0.88);
            max-width: 680px;
            margin: 0;
        }

        .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 26px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid transparent;
            background: var(--brand);
            color: #FFFFFF;
            cursor: pointer;
            transition: all .22s ease;
        }

        .btn:hover {
            background: var(--brand-hover);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.65);
            outline-offset: 3px;
        }

        .btn-light {
            background: #ffffff;
            color: var(--brand);
            border-color: #fff;
        }

        .btn-light:hover {
            background: #EFF4FF;
            color: var(--brand);
            border-color: #EFF4FF;
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.55);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: #fff;
            color: #fff;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 20px;
            border-radius: var(--radius-btn);
            border: 1px solid #D7E0EA;
            background: #FFFFFF;
            color: var(--brand);
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            transition: all .22s ease;
        }

        .btn-outline:hover {
            border-color: var(--brand);
            background: var(--brand-soft);
            color: var(--brand);
        }

        .btn-sm {
            height: 36px;
            padding: 0 16px;
            font-size: 13px;
        }

        .main-footer {
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            padding: 56px 0 22px;
        }

        .main-footer .container {
            padding: 0 40px 0;
        }

        .footer-row {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.1fr 1.2fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid var(--line);
        }

        .footer-col p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.85;
        }

        .footer-title {
            display: block;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-muted);
            font-size: 14px;
        }

        .footer-links a i {
            font-size: 12px;
            color: var(--text-faint);
        }

        .footer-links a:hover {
            color: var(--brand);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 22px;
            color: var(--text-faint);
            font-size: 13px;
        }

        @media (max-width: 1199px) {
            .sidebar {
                width: 240px;
            }

            .main-wrap {
                margin-left: 240px;
            }

            .container {
                padding: 36px 28px 64px;
            }

            .main-footer .container {
                padding-left: 28px;
                padding-right: 28px;
            }

            .feature-split {
                grid-template-columns: 1fr;
            }

            .direction-panel {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-110%);
                width: 320px;
                box-shadow: 12px 0 42px rgba(0, 0, 0, 0.2);
            }

            .sidebar.is-open {
                transform: translateX(0);
            }

            .sidebar-close {
                display: inline-flex;
            }

            .main-wrap {
                margin-left: 0;
            }

            .mobile-header {
                display: flex;
            }

            .main-content {
                padding-top: 64px;
            }

            .container {
                padding: 28px 24px 52px;
            }

            .main-footer .container {
                padding-left: 24px;
                padding-right: 24px;
            }

            .category-head {
                padding: 40px 32px;
                min-height: 300px;
            }

            .channels-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .container {
                padding: 20px 16px 42px;
            }

            .main-footer .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .mobile-header {
                padding: 0 12px;
            }

            .sidebar {
                width: 320px;
            }

            .category-head {
                padding: 32px 22px;
                border-radius: 18px;
                min-height: 280px;
            }

            .category-head h1 {
                font-size: 34px;
            }

            .category-head .lead {
                font-size: 15px;
            }

            .feature-split,
            .channels-grid,
            .direction-panel,
            .footer-row {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .featured-body {
                padding: 22px;
            }

            .featured-body h3 {
                font-size: 20px;
            }

            .side-latest,
            .channel-card {
                padding: 22px;
            }

            .meta-line {
                align-items: flex-start;
                gap: 10px;
            }

            .read-more {
                margin-left: 0;
                width: 100%;
            }

            .section-heading {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .direction-panel {
                padding: 28px 22px;
                border-radius: 18px;
            }

            .cta-panel {
                flex-direction: column;
                align-items: flex-start;
                padding: 32px 24px;
            }

            .cta-actions {
                width: 100%;
            }

            .btn {
                width: 100%;
            }

            .btn-sm {
                width: auto;
            }

            .footer-bottom {
                flex-direction: column;
            }
        }

        @media (min-width: 640px) and (max-width: 1024px) {
            .featured-media {
                aspect-ratio: 16 / 9;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition: none !important;
                animation: none !important;
            }
        }

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.2);
            outline-offset: 2px;
            border-radius: 8px;
        }