/* roulang page: index */
:root {
    --c-primary: #0B6B5C;
    --c-primary-600: #095548;
    --c-primary-100: #E2F0EC;
    --c-primary-050: #F2F9F7;
    --c-accent: #F59E0B;
    --c-accent-600: #D97706;
    --c-dark: #1F2937;
    --c-sub: #4B5563;
    --c-faint: #9CA3AF;
    --c-line: #E5E7EB;
    --c-bg: #FFFFFF;
    --c-bg-alt: #F8FAFA;
    --c-footer: #0F332E;
    --c-footer-sub: #9DB8B2;
    --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;
    --radius: 12px;
    --radius-sm: 6px;
    --shadow-1: 0 1px 3px rgba(15,51,46,.06), 0 1px 2px rgba(15,51,46,.04);
    --shadow-2: 0 6px 16px rgba(15,51,46,.07);
    --shadow-3: 0 16px 32px rgba(15,51,46,.09);
  }

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

  html { scroll-behavior: smooth; }

  body {
    font-family: var(--font-body);
    background: var(--c-bg);
    color: var(--c-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  a { color: inherit; text-decoration: none; }
  img { max-width: 100%; display: block; }
  button { font-family: inherit; cursor: pointer; }
  input, select, textarea { font-family: inherit; }
  ul, ol { list-style: none; }

  .side-layout {
    display: flex;
    min-height: 100vh;
  }

  .site-sidebar {
    width: 240px;
    flex-shrink: 0;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    background: var(--c-bg);
    border-right: 1px solid var(--c-line);
    display: flex;
    flex-direction: column;
    z-index: 60;
  }

  .sidebar-brand {
    height: 80px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 20px;
    border-bottom: 1px solid var(--c-line);
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--c-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 18px;
    flex-shrink: 0;
    letter-spacing: -1px;
  }

  .brand-name { font-size: 15px; font-weight: 600; color: var(--c-dark); line-height: 1.3; }
  .brand-sub { font-size: 12px; color: var(--c-faint); }

  .sidebar-nav { flex: 1; padding: 20px 12px; overflow-y: auto; }

  .nav-section-title {
    font-size: 12px;
    color: var(--c-faint);
    padding: 8px 12px 6px;
    letter-spacing: 0.08em;
  }

  .side-nav-list li a {
    display: flex;
    align-items: center;
    height: 44px;
    padding: 0 14px;
    font-size: 14px;
    font-weight: 500;
    color: var(--c-dark);
    border-left: 3px solid transparent;
    transition: all .2s ease;
    border-radius: 0 6px 6px 0;
  }

  .side-nav-list li a:hover {
    background: var(--c-primary-100);
    border-left-color: var(--c-primary);
  }

  .side-nav-list li a.active {
    background: var(--c-primary-050);
    border-left-color: var(--c-accent);
    color: var(--c-primary);
    font-weight: 600;
  }

  .sidebar-bottom {
    padding: 16px 20px;
    border-top: 1px solid var(--c-line);
  }

  .service-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--c-sub);
    background: var(--c-primary-050);
    border-radius: 8px;
    padding: 10px 12px;
  }

  .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10B981;
    flex-shrink: 0;
    box-shadow: 0 0 0 3px rgba(16,185,129,.15);
  }

  .side-cert { font-size: 11px; color: var(--c-footer-sub); margin-top: 10px; text-align: center; }

  .site-main {
    margin-left: 240px;
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
  }

  .main-content { flex: 1; }

  .container-x {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 32px;
  }

  .top-mobile-bar {
    display: none;
    height: 56px;
    background: var(--c-bg);
    border-bottom: 1px solid var(--c-line);
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    position: sticky;
    top: 0;
    z-index: 90;
    box-shadow: 0 1px 4px rgba(15,51,46,.03);
  }

  .mobile-burger {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: transparent;
    border: none;
    color: var(--c-dark);
  }

  .mobile-burger svg { width: 24px; height: 24px; }

  .mobile-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15,51,46,.4);
    z-index: 95;
    opacity: 0;
    transition: opacity .3s ease;
  }

  .mobile-sidebar-overlay.open { opacity: 1; }

  .mobile-sidebar {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 320px;
    background: var(--c-bg);
    z-index: 100;
    flex-direction: column;
    box-shadow: var(--shadow-3);
    transform: translateX(100%);
    transition: transform .3s ease;
  }

  .mobile-sidebar.open { transform: translateX(0); }
  .mobile-sidebar.open, .mobile-sidebar-overlay.open { display: flex; }

  .mobile-sidebar-head {
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    border-bottom: 1px solid var(--c-line);
  }

  .mobile-sidebar-close {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--c-bg-alt);
    border-radius: 8px;
    color: var(--c-dark);
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .mobile-sidebar .sidebar-nav { display: block; padding: 16px; }
  .mobile-sidebar .side-nav-list li a { height: 48px; font-size: 15px; border-radius: 8px; border-left: 3px solid transparent; padding-left: 16px; }

  .mobile-nav-label {
    font-size: 13px;
    color: var(--c-sub);
    padding: 12px 16px 0;
    font-weight: 500;
  }

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

  .hero-section {
    position: relative;
    min-height: 620px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #FBFCF9 0%, var(--c-primary-050) 55%, #FDF8EF 100%);
  }

  .hero-section::before {
    content: '';
    position: absolute;
    right: -120px;
    top: 50%;
    transform: translateY(-55%);
    width: 420px;
    height: 720px;
    background: var(--c-primary-100);
    border-radius: 50% 0 0 50%;
    opacity: .5;
    pointer-events: none;
  }

  .hero-section::after {
    content: '9';
    position: absolute;
    right: -8px;
    top: 54%;
    transform: translateY(-52%);
    font-size: 260px;
    font-weight: 800;
    color: var(--c-primary);
    opacity: .08;
    pointer-events: none;
    font-family: Georgia, serif;
  }

  .hero-content {
    position: relative;
    z-index: 10;
    max-width: 860px;
    padding: 80px 0;
  }

  .hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,.7);
    border: 1px solid var(--c-primary-100);
    border-radius: 30px;
    padding: 6px 16px;
    font-size: 13px;
    color: var(--c-primary);
    font-weight: 500;
    backdrop-filter: blur(4px);
  }

  .hero-kicker::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--c-accent);
  }

  .hero-title {
    font-size: 44px;
    line-height: 1.2;
    font-weight: 800;
    color: var(--c-dark);
    margin-top: 24px;
    letter-spacing: -0.02em;
  }

  .hero-title .highlight {
    color: var(--c-primary);
    position: relative;
  }

  .hero-subtitle {
    font-size: 17px;
    line-height: 1.8;
    color: var(--c-sub);
    margin-top: 20px;
    max-width: 600px;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 32px;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    padding: 0 28px;
    background: var(--c-primary);
    color: #fff;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    border: none;
    transition: all .2s ease;
    cursor: pointer;
    gap: 8px;
  }

  .btn-primary:hover {
    background: var(--c-primary-600);
    box-shadow: var(--shadow-2);
  }

  .btn-primary:active { transform: scale(.98); }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    padding: 0 28px;
    background: transparent;
    color: var(--c-primary);
    border: 1.5px solid var(--c-primary);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    transition: all .2s ease;
    cursor: pointer;
    gap: 8px;
  }

  .btn-outline:hover { background: var(--c-primary-100); }

  .hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 28px;
  }

  .badge-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--c-faint);
  }

  .badge-item::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--c-accent);
    flex-shrink: 0;
  }

  .section {
    padding: 90px 0;
  }

  .section-alt { background: var(--c-bg-alt); }
  .section-primary-050 { background: var(--c-primary-050); }

  .section-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 40px;
    flex-wrap: wrap;
  }

  .section-title-wrap { position: relative; padding-left: 18px; }

  .section-title-wrap::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 4px;
    border-radius: 4px;
    background: var(--c-primary);
  }

  .section-kicker {
    font-size: 13px;
    color: var(--c-accent);
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  .section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--c-dark);
    line-height: 1.3;
    margin-top: 8px;
    letter-spacing: -0.02em;
  }

  .section-desc {
    font-size: 15px;
    color: var(--c-sub);
    line-height: 1.8;
    max-width: 560px;
    margin-top: 12px;
  }

  .feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .feature-card {
    background: var(--c-bg);
    border-radius: var(--radius);
    border: 1px solid var(--c-line);
    padding: 36px 28px;
    box-shadow: var(--shadow-1);
    transition: all .25s ease;
    position: relative;
    overflow: hidden;
  }

  .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--c-accent) 0%, var(--c-accent) 80px, transparent 80px);
  }

  .feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-3);
    border-color: var(--c-primary-100);
  }

  .feature-card:hover .card-arrow {
    color: var(--c-primary);
    transform: translateX(4px);
  }

  .card-icon-wrap {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--c-primary-050);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
  }

  .card-icon-wrap svg { width: 26px; height: 26px; color: var(--c-primary); stroke-width: 1.8; }

  .card-index {
    position: absolute;
    top: 20px;
    right: 22px;
    font-size: 13px;
    font-weight: 700;
    color: var(--c-primary);
    background: var(--c-primary-100);
    padding: 4px 10px;
    border-radius: 20px;
    letter-spacing: 0.05em;
  }

  .feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 12px;
  }

  .feature-card p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--c-sub);
    margin-bottom: 18px;
  }

  .card-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--c-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all .2s;
  }

  .card-arrow {
    transition: all .2s;
  }

  .stats-strip {
    border-top: 1px solid var(--c-line);
    border-bottom: 1px solid var(--c-line);
  }

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

  .stat-item {
    text-align: center;
    padding: 44px 20px;
  }

  .stat-item::before {
    content: '';
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--c-accent);
    margin: 0 auto 12px;
  }

  .stat-number {
    font-size: 40px;
    font-weight: 800;
    color: var(--c-primary);
    line-height: 1.2;
    letter-spacing: -0.03em;
  }

  .stat-unit {
    font-size: 14px;
    color: var(--c-accent);
    font-weight: 600;
  }

  .stat-label {
    font-size: 14px;
    color: var(--c-sub);
    margin-top: 8px;
  }

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

  .cms-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 32px;
    align-items: start;
  }

  .cms-list-card {
    background: var(--c-bg);
  }

  .cms-button-head {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--c-primary);
    background: var(--c-primary-100);
    padding: 6px 12px;
    border-radius: 30px;
    margin-bottom: 16px;
  }

  .cms-button-head::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--c-accent);
  }

  .cms-post-list {
    border-top: 1px solid var(--c-line);
  }

  .cms-post-item {
    display: flex;
    gap: 20px;
    padding: 24px 8px;
    border-bottom: 1px solid var(--c-line);
    align-items: center;
    transition: all .25s ease;
    border-radius: 4px;
  }

  .cms-post-item:hover {
    background: var(--c-primary-050);
  }

  .cms-post-thumb {
    width: 120px;
    height: 80px;
    border-radius: 8px;
    flex-shrink: 0;
    overflow: hidden;
    background: var(--c-primary-100);
  }

  .cms-post-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .cms-post-body { flex: 1; min-width: 0; }

  .cms-post-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--c-dark);
    line-height: 1.4;
    margin-bottom: 6px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color .2s;
  }

  .cms-post-item:hover .cms-post-title { color: var(--c-primary); }

  .cms-post-excerpt {
    font-size: 14px;
    color: var(--c-sub);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 8px;
  }

  .cms-post-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--c-faint);
  }

  .cms-post-date {
    color: var(--c-faint);
  }

  .cms-post-cat {
    background: var(--c-primary-100);
    color: var(--c-primary);
    font-size: 12px;
    padding: 2px 10px;
    border-radius: 20px;
    font-weight: 500;
  }

  .cms-right-card {
    background: var(--c-bg);
    border-radius: var(--radius);
    border: 1px solid var(--c-line);
    box-shadow: var(--shadow-1);
    overflow: hidden;
    position: sticky;
    top: 24px;
  }

  .cms-right-head {
    padding: 20px 24px;
    background: var(--c-primary-050);
    border-bottom: 1px solid var(--c-line);
    font-size: 15px;
    font-weight: 600;
    color: var(--c-dark);
  }

  .cms-right-body { padding: 12px 24px 24px; }

  .quick-nav-list li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px dashed var(--c-line);
    font-size: 14px;
    font-weight: 500;
    color: var(--c-dark);
    transition: all .2s;
  }

  .quick-nav-list li:last-child a { border-bottom: none; }

  .quick-nav-list li a:hover { color: var(--c-primary); }

  .quick-nav-arrow { transition: all .2s; }

  .quick-nav-list li a:hover .quick-nav-arrow {
    color: var(--c-primary);
    transform: translateX(4px);
  }

  .list-empty {
    padding: 48px;
    text-align: center;
    color: var(--c-faint);
  }

  .list-empty .empty-box {
    border: 2px dashed var(--c-primary-100);
    border-radius: var(--radius);
    padding: 48px 24px;
    font-size: 15px;
  }

  .dual-card-row {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 24px;
  }

  .guide-card-dark {
    border-radius: var(--radius);
    padding: 44px;
    background: linear-gradient(145deg, #0D5A4E 0%, var(--c-footer) 100%);
    box-shadow: var(--shadow-2);
    color: #fff;
    position: relative;
    overflow: hidden;
  }

  .guide-card-dark::after {
    content: '';
    position: absolute;
    right: -40px;
    top: -40px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    border: 24px solid rgba(255,255,255,.04);
  }

  .guide-card-dark .section-kicker { color: #FCD14F; }

  .guide-card-dark h2 {
    color: #fff;
  }

  .guide-card-dark .section-desc { color: rgba(255,255,255,.82); }

  .guide-card-light {
    background: var(--c-bg-alt);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    padding: 44px;
  }

  .guide-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 32px;
  }

  .guide-step {
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 10px;
    padding: 18px 16px;
    transition: background .25s ease;
  }

  .guide-card-light .guide-step {
    background: var(--c-bg);
    border: 1px solid var(--c-line);
    padding: 16px;
  }

  .guide-step:hover {
    background: rgba(255,255,255,.14);
    border-color: rgba(255,255,255,.2);
  }

  .step-num {
    font-size: 12px;
    font-weight: 700;
    color: var(--c-accent);
    letter-spacing: .05em;
  }

  .guide-card-light .step-num { color: var(--c-accent); }

  .step-text {
    font-size: 14px;
    color: rgba(255,255,255,.85);
    margin-top: 8px;
    line-height: 1.6;
  }

  .guide-card-light .step-text { color: var(--c-sub); }

  .why-list {
    margin-top: 24px;
  }

  .why-list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 12px 0;
    border-bottom: 1px dashed var(--c-line);
    font-size: 14px;
    color: var(--c-dark);
    line-height: 1.7;
  }

  .why-list li:last-child { border-bottom: none; }

  .why-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 2px;
    background: var(--c-accent);
    flex-shrink: 0;
    margin-top: 8px;
  }

  .attention-text {
    margin-top: 16px;
    font-size: 13px;
    color: var(--c-faint);
    line-height: 1.7;
  }

  .faq-section { background: var(--c-bg-alt); }

  .faq-list {
    max-width: 860px;
    margin: 0 auto;
  }

  .faq-item {
    background: var(--c-bg);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    margin-bottom: 12px;
    box-shadow: var(--shadow-1);
    overflow: hidden;
  }

  .faq-item summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    cursor: pointer;
    list-style: none;
    font-size: 16px;
    font-weight: 600;
    color: var(--c-dark);
    background: var(--c-bg);
    position: relative;
    transition: all .2s;
  }

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

  .faq-item summary::before {
    content: '+';
    color: var(--c-accent);
    font-size: 20px;
    transition: transform .2s ease;
    margin-right: 12px;
  }

  .faq-item[open] summary::before {
    transform: rotate(45deg);
  }

  .faq-item summary:hover { background: var(--c-primary-050); }

  .faq-item[open] summary { border-bottom: 1px solid var(--c-line); }

  .faq-brand {
    font-size: 15px;
    font-weight: 500;
    color: var(--c-primary);
    margin-right: 8px;
  }

  .faq-content {
    padding: 12px 24px 24px;
    color: var(--c-sub);
    line-height: 1.85;
    font-size: 15px;
    background: var(--c-bg);
  }

  .faq-content p { margin-bottom: 12px; }

  .faq-content p:last-child { margin-bottom: 0; }

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

  .cta-card-round-top {
    background: var(--c-primary);
    border-radius: 80px 80px 0 0;
    padding: 80px 32px 96px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
  }

  .cta-card-round-top::before {
    content: '';
    position: absolute;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 420px;
    height: 420px;
    background: var(--c-primary-100);
    border-radius: 50%;
    opacity: .1;
    pointer-events: none;
  }

  .cta-inner { max-width: 640px; margin: 0 auto; position: relative; z-index: 2; }

  .cta-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 16px;
  }

  .cta-desc {
    font-size: 16px;
    color: rgba(255,255,255,.82);
    line-height: 1.8;
    margin-bottom: 28px;
  }

  .cta-btn-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 50px;
    padding: 0 32px;
    background: #fff;
    color: var(--c-primary-600);
    font-weight: 700;
    font-size: 14px;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all .25s ease;
    box-shadow: var(--shadow-2);
  }

  .cta-btn-light:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-3);
  }

  .cta-note {
    font-size: 13px;
    color: rgba(255,255,255,.6);
    margin-top: 16px;
  }

  .site-footer {
    background: var(--c-footer);
    color: var(--c-footer-sub);
  }

  .footer-wave {
    background: var(--c-primary);
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
  }

  .footer-main {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
    padding: 60px 0 40px;
  }

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

  .footer-brand .brand-mark { background: rgba(255,255,255,.18); }

  .footer-brand-name {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 6px;
  }

  .footer-desc {
    font-size: 13px;
    line-height: 1.8;
    color: rgba(255,255,255,.6);
    margin-top: 16px;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding: 20px 0 24px;
    font-size: 13px;
  }

  .footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
  }

  .footer-bottom a { color: var(--c-footer-sub); }

  .footer-bottom a:hover { color: #fff; text-decoration: underline; }

  .footer-column h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 18px;
  }

  .footer-column ul li {
    margin-bottom: 12px;
  }

  .footer-column ul li a {
    color: rgba(255,255,255,.66);
    font-size: 14px;
    font-weight: 400;
    transition: all .2s;
  }

  .footer-column ul li a:hover {
    color: #fff;
    text-decoration: underline;
  }

  .footer-set-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,.06);
    font-size: 14px;
    color: rgba(255,255,255,.66);
    transition: all .25s;
  }

  .footer-set-link:hover {
    color: #fff;
  }

  .footer-set-link span {
    color: var(--c-faint);
    font-size: 12px;
    background: rgba(255,255,255,.06);
    border-radius: 10px;
    padding: 1px 8px;
  }

  .footer-domain {
    color: rgba(255,255,255,.45);
    margin: 0 4px;
  }

  .focus-free:focus-visible {
    outline: 2px solid var(--c-accent);
    outline-offset: 2px;
  }

  @media (max-width: 1024px) {
    .site-sidebar, .sidebar-bottom, .side-cert { display: none; }
    .site-main { margin-left: 0; }
    .top-mobile-bar { display: flex; }
  }

  @media (min-width: 1025px) {
    .top-mobile-bar { display: none; }
    .mobile-sidebar, .mobile-sidebar-overlay { display: none !important; }
    .mobile-sidebar-overlay { display: none; }
  }

  @media (max-width: 768px) {
    .container-x { padding: 0 20px; }
    .feature-grid { grid-template-columns: 1fr; }
    .stats-container { grid-template-columns: repeat(2, 1fr); }
    .cms-layout { grid-template-columns: 1fr; }
    .dual-card-row { grid-template-columns: 1fr; }
    .guide-steps { grid-template-columns: 1fr; margin-top: 24px; }
    .section { padding: 60px 0; }
    .hero-section { min-height: 540px; }
    .hero-content { padding: 48px 0; }
    .hero-title { font-size: 32px; }
    .hero-subtitle { font-size: 15px; }
    .section-title { font-size: 26px; }
    .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
    .footer-bottom-inner { flex-direction: column; }
    .cta-card-round-top { border-radius: 48px 48px 0 0; padding: 60px 24px; }
    .cta-title { font-size: 26px; }
    .cms-post-item { flex-direction: column; align-items: flex-start; gap: 12px; }
    .cms-post-thumb { width: 100%; height: 160px; }
    .cms-post-title { white-space: normal; }
    .cms-right-card { position: static; }
    .guide-card-dark, .guide-card-light { padding: 32px 24px; }
  }

  @media (max-width: 520px) {
    .stats-container { grid-template-columns: 1fr; }
    .stat-item { padding: 28px 20px; }
    .footer-main { grid-template-columns: 1fr; }
    .cms-post-thumb { height: 140px; }
    .hero-title { font-size: 28px; line-height: 1.3; }
    .hero-actions .btn-primary, .hero-actions .btn-outline { width: 100%; }
    .section-title { font-size: 24px; }
    .footer-brand { align-items: center; }
  }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  }

/* roulang page: article */
:root{
  --c-primary:#0B6B5C;--c-primary-600:#095548;--c-primary-100:#E2F0EC;--c-primary-050:#F2F9F7;
  --c-accent:#F59E0B;--c-accent-600:#D97706;--c-dark:#1F2937;--c-sub:#4B5563;--c-faint:#9CA3AF;
  --c-line:#E5E7EB;--c-bg:#FFFFFF;--c-bg-alt:#F8FAFA;--c-footer:#0F332E;--c-footer-sub:#9DB8B2;
  --font-body:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,sans-serif;
  --radius:12px;--radius-sm:6px;
  --shadow-1:0 1px 3px rgba(15,51,46,.06),0 1px 2px rgba(15,51,46,.04);
  --shadow-2:0 6px 16px rgba(15,51,46,.07);--shadow-3:0 16px 32px rgba(15,51,46,.09);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--c-dark);background:var(--c-bg);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
button{font-family:inherit;cursor:pointer}
.container-x{max-width:1200px;margin:0 auto;padding:0 32px}
.site-shell{display:flex;min-height:100vh}
.sidebar{width:240px;flex-shrink:0;background:var(--c-bg);border-right:1px solid var(--c-line);position:fixed;top:0;bottom:0;left:0;z-index:100;display:flex;flex-direction:column}
.main-area{width:calc(100% - 240px);margin-left:240px;display:flex;flex-direction:column;min-height:100vh}
.brand-zone{height:80px;display:flex;align-items:center;gap:10px;padding:0 20px;border-bottom:1px solid var(--c-line);flex-shrink:0}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--c-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:18px;flex-shrink:0}
.brand-mark-small{width:32px;height:32px;border-radius:8px;background:var(--c-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:15px;flex-shrink:0}
.brand-text{font-size:15px;font-weight:600;color:var(--c-dark);line-height:1.3}
.brand-sub{font-size:12px;color:var(--c-faint)}
.sidebar-nav{flex:1;padding:24px 0 16px;overflow-y:auto}
.nav-section-title{font-size:11px;font-weight:600;letter-spacing:.08em;color:var(--c-faint);padding:0 20px;margin-bottom:12px;text-transform:uppercase}
.side-nav-list{list-style:none}
.side-nav-list li a{display:flex;align-items:center;height:44px;padding:0 20px;font-size:14px;font-weight:500;color:var(--c-sub);border-left:3px solid transparent;transition:all .2s}
.side-nav-list li a:hover{background:var(--c-primary-100);color:var(--c-primary);border-left-color:var(--c-primary)}
.side-nav-list li a.active{background:var(--c-primary-050);color:var(--c-primary);font-weight:600;border-left-color:var(--c-accent)}
.sidebar-status{padding:16px 20px;border-top:1px solid var(--c-line);flex-shrink:0}
.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#22C55E;margin-right:8px;position:relative}
.status-dot::after{content:'';position:absolute;inset:-3px;border-radius:50%;background:rgba(34,197,94,.25);animation:pulse 2s infinite}
.status-text{font-size:13px;color:var(--c-sub);font-weight:500}
.security-note{font-size:11px;color:var(--c-faint);margin-top:8px}
@keyframes pulse{0%{transform:scale(.6);opacity:1}100%{transform:scale(1.6);opacity:0}}
.topbar-mobile{display:none}
.article-wrap{max-width:880px;margin:0 auto;padding:0 32px;width:100%}
.article-layout{padding:48px 0 0;width:100%}
.breadcrumb-row{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-faint);margin-bottom:32px;flex-wrap:wrap}
.breadcrumb-row a{color:var(--c-sub);transition:color .2s}
.breadcrumb-row a:hover{color:var(--c-primary)}
.breadcrumb-row .sep{color:#D1D5DB;font-size:12px}
.breadcrumb-current{color:var(--c-dark);font-weight:600}
.article-header-card{background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--radius);padding:40px 40px 32px;box-shadow:var(--shadow-1);position:relative;overflow:hidden}
.article-header-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--c-primary) 0%,var(--c-primary) 60%,var(--c-accent) 100%)}
.cat-chip{display:inline-block;background:var(--c-primary-100);color:var(--c-primary);font-size:13px;font-weight:600;padding:4px 14px;border-radius:999px;margin-bottom:20px;letter-spacing:.02em}
.article-title{font-size:30px;line-height:1.4;font-weight:700;color:var(--c-dark);margin-bottom:18px;letter-spacing:0}
.title-accent-line{width:48px;height:3px;background:var(--c-accent);border-radius:99px;margin-bottom:20px}
.article-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--c-faint)}
.meta-item{display:flex;align-items:center;gap:6px}
.divider-dot{width:3px;height:3px;border-radius:50%;background:#D1D5DB}
.article-body-card{background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--radius);margin-top:24px;padding:48px 48px 40px;box-shadow:var(--shadow-1)}
.cms-content-body{max-width:100%;font-size:16px;line-height:1.85;letter-spacing:.02em;word-break:break-word}
.cms-content-body p{margin-bottom:1.4em;text-align:justify;color:#374151}
.cms-content-body h2{font-size:20px;font-weight:700;color:var(--c-dark);margin:96px 0 16px;padding-left:14px;border-left:4px solid var(--c-primary);line-height:1.5}
.cms-content-body h3{font-size:18px;font-weight:700;color:var(--c-dark);margin:36px 0 14px;line-height:1.6}
.cms-content-body ul,.cms-content-body ol{margin-bottom:1.6em;padding-left:1.6em}
.cms-content-body li{margin-bottom:10px;color:#374151}
.cms-content-body a{color:var(--c-primary);border-bottom:1px solid var(--c-primary-100);transition:color .2s,border-color .2s}
.cms-content-body a:hover{color:var(--c-primary-600);border-bottom-color:var(--c-primary)}
.cms-content-body blockquote{border-left:4px solid var(--c-accent);background:var(--c-primary-050);padding:16px 24px;margin:24px 0;border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--c-sub)}
.cms-content-body img{border-radius:var(--radius);margin:28px 0}
.cms-content-body strong{font-weight:600}
.cms-content-body table{width:100%;border-collapse:collapse;margin:28px 0;font-size:14px}
.cms-content-body th{background:var(--c-primary-050);color:var(--c-primary);font-weight:600;padding:12px 14px;text-align:left;border-bottom:2px solid var(--c-primary-100)}
.cms-content-body td{padding:12px 14px;border-bottom:1px solid var(--c-line);color:var(--c-sub)}
.cms-content-body code{background:var(--c-bg-alt);padding:2px 8px;border-radius:4px;font-size:14px;color:var(--c-primary)}
.not-found{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 24px;text-align:center}
.not-found-icon{width:72px;height:72px;border-radius:50%;background:var(--c-primary-100);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:700;margin-bottom:24px}
.not-found-title{font-size:22px;font-weight:700;color:var(--c-dark);margin-bottom:12px}
.not-found-desc{color:var(--c-sub);font-size:15px;margin-bottom:28px}
.not-found a{display:inline-flex;align-items:center;gap:8px;background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;padding:12px 28px;border-radius:var(--radius);transition:all .2s}
.not-found a:hover{background:var(--c-primary-600);box-shadow:var(--shadow-2);transform:translateY(-1px)}
.article-footer-nav{display:flex;justify-content:space-between;gap:16px;margin:32px 0 0;padding-top:28px;border-top:1px solid var(--c-line)}
.prev-post,.next-post{flex:1;padding:16px 18px;border:1px solid var(--c-line);border-radius:var(--radius);background:var(--c-bg);transition:all .2s;display:flex;flex-direction:column;gap:4px}
.prev-post:hover,.next-post:hover{border-color:var(--c-primary-100);background:var(--c-primary-050);box-shadow:var(--shadow-1)}
.article-post-label{font-size:12px;color:var(--c-faint)}
.article-post-title{font-size:14px;font-weight:600;color:var(--c-dark);line-height:1.4}
.next-post{align-items:flex-end;text-align:right}
.related-section{margin:56px 0 0}
.related-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.related-title{font-size:20px;font-weight:700;color:var(--c-dark);position:relative;padding-left:16px}
.related-title::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:18px;background:var(--c-accent);border-radius:99px}
.related-link-all{font-size:13px;color:var(--c-primary);font-weight:600;transition:color .2s}
.related-link-all:hover{color:var(--c-primary-600)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-card{background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--radius);overflow:hidden;transition:all .25s}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);border-color:var(--c-primary-100)}
.related-cover{aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-100)}
.related-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.related-card:hover .related-cover img{transform:scale(1.05)}
.related-info{padding:16px 18px 18px}
.related-cat{display:inline-block;font-size:11px;color:var(--c-primary);background:var(--c-primary-100);padding:2px 10px;border-radius:999px;margin-bottom:8px;font-weight:600}
.related-name{font-size:15px;font-weight:600;color:var(--c-dark);line-height:1.5;margin-bottom:6px}
.article-link-btn{display:inline-flex;align-items:center;gap:6px;background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;padding:12px 28px;border-radius:var(--radius);border:none;transition:all .2s;cursor:pointer;line-height:1}
.article-link-btn:hover{background:var(--c-primary-600);box-shadow:var(--shadow-2);transform:translateY(-1px)}
.article-link-btn-outline{display:inline-flex;align-items:center;gap:6px;background:transparent;color:var(--c-primary);font-size:14px;font-weight:600;padding:12px 28px;border-radius:var(--radius);border:1.5px solid var(--c-primary);transition:all .2s;cursor:pointer}
.article-link-btn-outline:hover{background:var(--c-primary-100)}
.site-footer{background:var(--c-footer);color:var(--c-footer-sub);padding:56px 0 0;flex-shrink:0}
.footer-main{display:grid;grid-template-columns:1.6fr .8fr .8fr;gap:48px;padding-bottom:40px}
.footer-brand{display:flex;gap:12px;align-items:flex-start;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18)}
.footer-brand-name{font-size:17px;font-weight:700;color:#fff;line-height:1.4}
.footer-desc{font-size:13px;line-height:1.8;color:var(--c-footer-sub);max-width:340px}
.footer-column h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-column ul{list-style:none}
.footer-column ul li{margin-bottom:10px}
.footer-column ul a{font-size:14px;color:var(--c-footer-sub);transition:color .2s}
.footer-column ul a:hover{color:#fff}
.footer-set-link{display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--c-footer-sub);padding:8px 0;border-bottom:1px solid rgba(255,255,255,.06);cursor:default}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;background:rgba(0,0,0,.15)}
.footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;font-size:13px;flex-wrap:wrap;gap:8px}
.footer-domain{opacity:.7}
.footer-bottom a{color:var(--c-footer-sub);font-size:13px;transition:color .2s}
.footer-bottom a:hover{color:#fff}
.mobile-menu-backdrop{display:none}
.side-nav-list li a.active{background:var(--c-primary-050);color:var(--c-primary);font-weight:600;border-left-color:var(--c-accent);position:relative}
.cms-content-body ul,.cms-content-body ol{padding-left:0;list-style:none}
.cms-content-body ul li,.cms-content-body ol li{position:relative;padding-left:24px}
.cms-content-body ul li::before{content:'';position:absolute;left:4px;top:0.85em;width:8px;height:8px;border-radius:2px;background:var(--c-primary);opacity:.7}
.cms-content-body ol{counter-reset:item}
.cms-content-body ol li{counter-increment:item}
.cms-content-body ol li::before{content:counter(item);position:absolute;left:2px;top:5px;width:16px;height:16px;border-radius:4px;background:var(--c-primary-100);color:var(--c-primary);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center}
@media (max-width:1024px){
.site-shell{display:block}
.sidebar{display:none}
.main-area{width:100%;margin-left:0}
.topbar-mobile{display:flex;position:sticky;top:0;z-index:99;height:56px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--c-line);padding:0 20px;align-items:center;justify-content:space-between}
.mobile-brand{display:flex;align-items:center;gap:10px}
.mobile-brand .brand-text{font-size:14px}
.mobile-menu-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:var(--radius-sm)}
.mobile-menu-btn:hover{background:var(--c-primary-100)}
.drawer-open{display:block;position:fixed;top:0;right:0;width:320px;max-width:85vw;height:100vh;background:var(--c-bg);z-index:200;box-shadow:var(--shadow-3);transform:translateX(0);transition:transform .25s ease}
.drawer-backdrop{display:block;position:fixed;inset:0;background:rgba(15,51,46,.4);z-index:199}
.drawer-menu{display:block;width:320px;max-width:85vw;height:100vh;background:var(--c-bg);flex-direction:column}
.drawer-header{height:56px;display:flex;justify-content:space-between;align-items:center;padding:0 16px;border-bottom:1px solid var(--c-line)}
.drawer-list{list-style:none;flex:1;overflow-y:auto;padding:16px 0}
.drawer-list li a{display:block;padding:14px 20px;font-size:15px;font-weight:500;color:var(--c-sub);border-left:3px solid transparent}
.drawer-list li a:hover,.drawer-list li a.active{background:var(--c-primary-050);color:var(--c-primary);border-left-color:var(--c-accent)}
.article-wrap{max-width:720px;padding:0 20px}
.article-header-card,.article-body-card{padding:32px 20px}
.site-footer .container-x{padding:0 20px}
.footer-main{grid-template-columns:1fr;gap:24px;padding-bottom:24px}
.footer-desc{max-width:none}
}
@media (max-width:768px){
.container-x{padding:0 20px}
.article-title{font-size:24px}
.article-meta{display:flex;flex-direction:row;flex-wrap:wrap;gap:8px}
.related-grid{grid-template-columns:1fr 1fr;gap:12px}
.article-wrap{padding:0 16px}
.article-header-card{padding:24px 18px;border-radius:10px}
.article-body-card{padding:28px 18px;border-radius:10px}
.article-header-card::before{height:3px}
.article-footer-nav{flex-direction:column;gap:10px;margin-top:20px;padding-top:20px}
.cms-content-body p{font-size:15px;line-height:1.75}
.cms-content-body{margin-bottom:1.6em}
.cms-content-body img{margin:18px -4px}
.article-layout{padding:28px 0 0}
.breadcrumb-row{margin-bottom:20px}
}
@media (max-width:520px){
.related-grid{grid-template-columns:1fr}
.article-title{font-size:20px;line-height:1.4}
.breadcrumb-row{display:flex;flex-direction:row;overflow-x:auto;white-space:nowrap;padding-bottom:4px}
.cms-content-body blockquote{padding:12px 16px}
.cms-content-body h2{margin:48px 0 14px;font-size:19px}
.cms-content-body h3{font-size:17px}
.footer-bottom-inner{flex-direction:column;align-items:flex-start;gap:10px}
.article-post-title{font-size:13px}
}

/* roulang page: category1 */
:root{
    --c-primary: #0B6B5C;
    --c-primary-600: #095548;
    --c-primary-100: #E2F0EC;
    --c-primary-050: #F2F9F7;
    --c-accent: #F59E0B;
    --c-accent-600: #D97706;
    --c-dark: #1F2937;
    --c-sub: #4B5563;
    --c-faint: #9CA3AF;
    --c-line: #E5E7EB;
    --c-bg: #FFFFFF;
    --c-bg-alt: #F8FAFA;
    --c-footer: #0F332E;
    --c-footer-sub: #9DB8B2;
    --font-body: "PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,sans-serif;
    --radius: 12px;
    --radius-sm: 6px;
    --shadow-1: 0 1px 3px rgba(15,51,46,.06), 0 1px 2px rgba(15,51,46,.04);
    --shadow-2: 0 6px 16px rgba(15,51,46,.07);
    --shadow-3: 0 16px 32px rgba(15,51,46,.09);
  }

  *,*::before,*::after{ box-sizing:border-box; margin:0; padding:0;}
  html{ scroll-behavior:smooth; }
  body{
    font-family: var(--font-body);
    background: var(--c-bg);
    color: var(--c-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  img{ max-width:100%; display:block; }
  a{ color:inherit; text-decoration:none; }
  button{ font-family:inherit; cursor:pointer; }
  ul{ list-style:none; }
  h1,h2,h3,h4{ line-height:1.3; }

  .container-x{ max-width:1200px; margin:0 auto; padding:0 32px; }
  .main-content{ margin-left:240px; min-height:100vh; }

  /* ===== 左侧固定导航 ===== */
  .sidebar{
    position: fixed; top:0; left:0;
    width:240px; height:100vh;
    background: var(--c-bg);
    border-right:1px solid var(--c-line);
    display: flex; flex-direction: column;
    z-index: 100;
  }
  .sidebar-brand{
    display:flex; align-items:center; gap:10px;
    padding:22px 20px 18px;
    border-bottom:1px solid var(--c-line);
  }
  .brand-mark{
    width:36px; height:36px; flex:0 0 36px;
    background: var(--c-primary);
    color:#fff; border-radius:10px;
    display:flex; align-items:center; justify-content:center;
    font-size:19px; font-weight:700;
    box-shadow: 0 2px 6px rgba(11,107,92,.18);
  }
  .brand-title{
    font-size:15px; font-weight:600; color:var(--c-dark); line-height:1.35;
  }
  .brand-sub{
    font-size:12px; color:var(--c-faint); line-height:1.2;
  }
  .sidebar-nav-section{
    flex:1; overflow-y:auto;
    padding:18px 0 12px;
  }
  .nav-section-title{
    font-size:12px; color:var(--c-faint); letter-spacing:.05em;
    padding:0 20px 10px;
  }
  .side-nav-list{
    display:flex; flex-direction:column;
  }
  .side-nav-list a{
    display:flex; align-items:center;
    height:44px; padding:0 20px 0 24px;
    font-size:14px; font-weight:500;
    color:var(--c-sub);
    border-left:3px solid transparent;
    transition: background .18s, color .18s, border-color .18s;
  }
  .side-nav-list a:hover{
    background: var(--c-primary-100);
    color:var(--c-primary);
    border-left-color: var(--c-primary);
  }
  .side-nav-list a.active{
    background: var(--c-primary-050);
    color: var(--c-primary-600);
    border-left-color: var(--c-accent);
    font-weight:600;
  }
  .sidebar-safety{
    padding:16px 20px 20px;
    border-top:1px solid var(--c-line);
  }
  .safety-dot{
    display:flex; align-items:center; gap:8px;
    font-size:13px; color:var(--c-primary-600);
    font-weight:500;
  }
  .safety-dot i{
    width:8px; height:8px; border-radius:50%;
    background: var(--c-accent);
    display:inline-block;
  }
  .safety-tip{
    font-size:12px; color:var(--c-faint);
    margin-top:6px;
    line-height:1.5;
  }

  /* ===== 移动顶部导航 ===== */
  .mobile-topbar{
    display:none;
    position: sticky; top:0; z-index:96;
    height:56px;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(8px);
    border-bottom:1px solid var(--c-line);
    align-items:center; justify-content:space-between;
    padding:0 20px;
  }
  .mobile-bar-left{
    display:flex; align-items:center; gap:10px;
  }
  .mobile-brand-title{
    font-size:14px; font-weight:600; color:var(--c-dark);
  }
  .mobile-menu-btn{
    width:40px; height:40px;
    border:1px solid var(--c-line);
    background:var(--c-bg);
    border-radius:10px;
    display:flex; flex-direction:column;
    align-items:center; justify-content:center;
    gap:4px;
    transition: border-color .2s;
  }
  .mobile-menu-btn span{
    display:block; width:17px; height:2px;
    border-radius:2px;
    background:var(--c-dark);
  }
  .mobile-menu-btn:hover{ border-color:var(--c-primary); }

  /* 抽屉导航 */
  .drawer-overlay{
    position: fixed; inset:0; z-index:110;
    background: rgba(15,51,46,.42);
    opacity:0; visibility:hidden;
    transition: opacity .25s, visibility .25s;
  }
  .drawer-overlay.open{ opacity:1; visibility:visible; }
  .drawer-panel{
    position: fixed; top:0; right:0; width:320px; height:100vh;
    background: var(--c-bg);
    z-index:120;
    transform: translateX(100%);
    transition: transform .3s ease;
    display:flex; flex-direction:column;
    padding:20px;
  }
  .drawer-panel.open{ transform: translateX(0); }
  .drawer-panel-head{
    display:flex; align-items:center; justify-content:space-between;
    margin-bottom:24px;
  }
  .drawer-title{ font-size:15px; font-weight:600; color:var(--c-dark); }
  .drawer-close{
    width:36px; height:36px; border-radius:50%;
    border:1px solid var(--c-line);
    background: var(--c-bg);
    font-size:17px; color:var(--c-sub);
    display:flex; align-items:center; justify-content:center;
    transition: background .2s;
  }
  .drawer-close:hover{ background:var(--c-primary-100); }
  .drawer-nav a{
    display:block; padding:14px 12px;
    font-size:15px; color:var(--c-dark);
    border-radius:8px;
    margin-bottom:4px;
    font-weight:500;
  }
  .drawer-nav a.active{
    background:var(--c-primary-050);
    color:var(--c-primary-600);
    font-weight:600;
  }
  .drawer-nav a:hover{ background:var(--c-primary-100); color:var(--c-primary-600); }
  .drawer-foot{
    margin-top:auto;
    padding-top:16px;
    border-top:1px solid var(--c-line);
    font-size:13px; color:var(--c-faint);
  }

  /* ===== Hero 分类页模块头 ===== */
  .category-hero{
    position: relative;
    padding: 76px 0 60px;
    background: linear-gradient(135deg, #FDFBF7 0%, var(--c-primary-050) 68%, var(--c-primary-100) 100%);
    border-bottom:1px solid var(--c-line);
  }
  .category-hero::before{
    content: "";
    position: absolute; right: 8%; top: -56px;
    width: 300px; height: 220px;
    background: rgba(11,107,92,.07);
    border-radius: 200px 200px 0 0;
    transform: rotate(-8deg);
    pointer-events:none;
  }
  .hero-layout{
    position: relative;
    display:grid;
    grid-template-columns: 1.1fr .9fr;
    gap:48px;
    align-items:center;
  }
  .hero-eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    font-size:13px; font-weight:500;
    color:var(--c-primary);
    background: rgba(255,255,255,.8);
    border:1px solid var(--c-primary-100);
    border-radius: 40px;
    padding:6px 14px;
    margin-bottom:20px;
    box-shadow: var(--shadow-1);
  }
  .hero-eyebrow::before{
    content:"";
    width:6px; height:6px; border-radius:50%;
    background: var(--c-accent);
  }
  .category-hero h1{
    font-size:40px; line-height:1.2;
    font-weight:800; letter-spacing:-.01em;
    color:var(--c-dark);
    margin-bottom:16px;
  }
  .category-hero h1 span{
    color:var(--c-primary);
  }
  .hero-desc{
    font-size:16px; color:var(--c-sub);
    max-width:560px;
    line-height:1.85;
  }
  .hero-actions{
    display:flex; gap:14px; flex-wrap:wrap;
    margin-top:28px;
  }
  .hero-tags{
    display:flex; gap:16px; flex-wrap:wrap;
    margin-top:26px;
    padding-top:18px;
    border-top:1px solid rgba(11,107,92,.12);
  }
  .hero-tag{
    display:inline-flex; align-items:center; gap:7px;
    font-size:13px; color:var(--c-sub);
  }
  .hero-tag::before{
    content:"";
    width:6px; height:6px; border-radius:50%;
    background: var(--c-accent);
  }
  .hero-visual{
    position: relative;
    display:flex;
    align-items:center; justify-content:center;
  }
  .hero-visual-card{
    width: 100%;
    height: 340px;
    border-radius: 24px;
    background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    box-shadow: var(--shadow-3);
    position:relative;
    overflow:hidden;
  }
  .hero-visual-card::before{
    content:"9";
    position:absolute;
    right:-20px; bottom:-60px;
    font-size:200px; font-weight:900;
    color:rgba(255,255,255,.10);
    line-height:1;
  }
  .hero-visual-overlay{
    position:absolute; inset:0;
    background: linear-gradient(135deg, rgba(11,107,92,.92) 0%, rgba(9,85,72,.82) 100%);
    border-radius:24px;
    display:flex;
    flex-direction:column;
    justify-content:flex-end;
    padding:28px;
    color:#fff;
  }
  .overlay-icon{
    width:42px; height:42px;
    border-radius:12px;
    background: rgba(255,255,255,.16);
    display:flex; align-items:center; justify-content:center;
    font-size:20px;
    margin-bottom:16px;
  }
  .overlay-title{
    font-size:17px; font-weight:700;
    margin-bottom:6px;
  }
  .overlay-desc{
    font-size:13px; line-height:1.7;
    opacity:.85;
  }

  /* 统计细条 */
  .category-stats{
    border-bottom:1px solid var(--c-line);
    background: var(--c-bg);
  }
  .stats-grid{
    display:grid;
    grid-template-columns: repeat(4,1fr);
  }
  .stats-item{
    text-align:center;
    padding:32px 16px;
    position:relative;
  }
  .stats-item:not(:last-child)::after{
    content:"";
    position:absolute; right:0; top:20%;
    height:60%;
    width:1px;
    background: var(--c-line);
  }
  .stats-num{
    font-size:36px; font-weight:800;
    color:var(--c-primary);
    line-height:1.1;
  }
  .stats-num small{
    font-size:15px; font-weight:700;
    color:var(--c-accent);
    margin-left:2px;
    vertical-align: super;
  }
  .stats-label{
    font-size:13px; color:var(--c-sub);
    margin-top:6px;
  }

  /* 区块标题 */
  .section-block{
    padding: 96px 0;
  }
  .section-head{
    display:flex;
    align-items:flex-start;
    gap:14px;
    margin-bottom:40px;
  }
  .section-badge{
    flex:0 0 4px;
    width:4px; height:30px;
    border-radius:4px;
    background: var(--c-primary);
    margin-top:4px;
  }
  .section-kicker{
    font-size:13px; color:var(--c-accent-600);
    font-weight:600;
    letter-spacing:.04em;
  }
  .section-head h2{
    font-size:28px;
    font-weight:700;
    color:var(--c-dark);
    margin-top:4px;
  }
  .section-desc{
    margin-top:10px;
    font-size:15px;
    color:var(--c-sub);
    max-width:620px;
    line-height:1.75;
  }

  /* ===== 卡片系统 ===== */
  .card-base{
    background: var(--c-bg);
    border:1px solid var(--c-line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-1);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  }
  .card-base:hover{
    transform: translateY(-4px);
    box-shadow: var(--shadow-3);
    border-color: var(--c-primary-100);
  }
  .category-card-link{ display:block; height:100%; }
  .category-card-media{
    position:relative;
    overflow:hidden;
    border-radius: var(--radius) var(--radius) 0 0;
  }
  .category-card-media img{
    width:100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    transition: transform .35s ease;
  }
  .card-base:hover .category-card-media img{
    transform: scale(1.04);
  }
  .category-card-icon{
    position:absolute; left:14px; bottom:12px;
    width:42px; height:42px;
    background: var(--c-primary);
    border:2px solid #fff;
    border-radius: 12px;
    display:flex; align-items:center; justify-content:center;
    font-size:19px;
    color:#fff;
  }
  .category-card-body{
    padding:22px 20px 20px;
  }
  .category-card-body h3{
    font-size:17px;
    font-weight:700;
    color:var(--c-dark);
    margin-bottom:8px;
  }
  .category-card-body p{
    font-size:14px;
    color: var(--c-sub);
    line-height:1.7;
  }
  .category-card-bottom{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:14px 20px 16px;
    border-top:1px solid var(--c-line);
    margin-top:16px;
  }
  .tag-chip{
    display:inline-block;
    padding:3px 10px;
    background: var(--c-primary-100);
    color:var(--c-primary-600);
    border-radius: 20px;
    font-size:12px;
    font-weight:500;
  }
  .link-arrow{
    font-size:13px; font-weight:600;
    color: var(--c-primary);
    display:inline-flex; align-items:center; gap:4px;
    transition: gap .2s;
  }
  .link-arrow:hover{ gap:8px; }

  .range-grid{
    display:grid;
    grid-template-columns: repeat(3,1fr);
    gap:24px;
  }

  /* 深色背景区 */
  .section-dark-zone{
    background: var(--c-primary-050);
    border-top:1px solid var(--c-line);
    border-bottom:1px solid var(--c-line);
  }

  /* ===== 步骤流程 ===== */
  .steps-grid{
    display:grid;
    grid-template-columns: repeat(4,1fr);
    gap:20px;
    counter-reset: step;
  }
  .step-card{
    position:relative;
    background:var(--c-bg);
    border:1px solid var(--c-line);
    border-radius: var(--radius);
    padding:28px 22px 24px;
    box-shadow: var(--shadow-1);
    transition: box-shadow .2s;
  }
  .step-card:hover{
    box-shadow: var(--shadow-2);
  }
  .step-card::before{
    counter-increment: step;
    content: "0" counter(step);
    font-size:14px; font-weight:700;
    color: var(--c-accent-600);
    letter-spacing:.05em;
  }
  .step-arrow-icon{
    position:absolute;
    top:26px; right:20px;
    color: var(--c-primary-100);
    font-size:24px;
    font-weight:700;
  }
  .step-card h3{
    font-size:16px;
    font-weight:700;
    color: var(--c-dark);
    margin-top:12px;
    margin-bottom:8px;
  }
  .step-card p{
    font-size:14px;
    color:var(--c-sub);
    line-height:1.7;
  }

  /* ===== 场景双卡 ===== */
  .scene-grid{
    display:grid;
    grid-template-columns: 1.2fr .8fr;
    gap:24px;
  }
  .scene-primary-card{
    background: linear-gradient(128deg, var(--c-primary) 0%, var(--c-primary-600) 100%);
    color:#fff;
    border-radius: 18px;
    padding:34px 32px;
    position:relative;
    overflow:hidden;
  }
  .scene-primary-card::after{
    content: "9";
    position:absolute;
    right:-20px; bottom:-40px;
    font-size:150px;
    font-weight:900;
    color: rgba(255,255,255,.06);
    line-height:1;
  }
  .scene-primary-card .scene-kicker{
    color: var(--c-accent);
    font-size:13px; font-weight:600;
  }
  .scene-primary-card h3{
    font-size:21px;
    font-weight:700;
    margin-top:10px;
    position:relative;
  }
  .scene-primary-card p{
    margin-top:12px;
    font-size:14px;
    line-height:1.8;
    opacity:.92;
    position:relative;
  }
  .scene-points{
    margin-top:18px;
    display:flex;
    flex-direction:column;
    gap:10px;
    position:relative;
  }
  .scene-point{
    display:flex;
    align-items:flex-start;
    gap:8px;
    font-size:14px;
  }
  .scene-point::before{
    content:"✓";
    flex:0 0 16px;
    height:16px;
    line-height:16px;
    text-align:center;
    font-size:11px;
    color: var(--c-primary-600);
    background: #fff;
    border-radius:50%;
    font-weight:700;
    margin-top:2px;
  }
  .scene-secondary-card{
    background: var(--c-bg);
    border:1px solid var(--c-line);
    border-radius:18px;
    padding:30px 26px;
    display:flex;
    flex-direction:column;
  }
  .scene-secondary-img{
    border-radius:12px;
    overflow:hidden;
    margin-bottom:18px;
  }
  .scene-secondary-img img{
    width:100%;
    height:140px;
    object-fit:cover;
  }
  .scene-secondary-card h3{
    font-size:17px; font-weight:700;
    color: var(--c-dark);
    margin-bottom:8px;
  }
  .scene-secondary-card p{
    font-size:14px;
    color:var(--c-sub);
    line-height:1.75;
  }

  /* ===== 安全提示条 ===== */
  .safety-panel{
    background: var(--c-bg);
    border:1px solid var(--c-line);
    border-left:5px solid var(--c-primary);
    border-radius: 14px;
    padding: 28px 30px;
    box-shadow: var(--shadow-1);
  }
  .safety-panel-head{
    display:flex; align-items:center; gap:10px;
    font-size:17px; font-weight:700;
    color:var(--c-dark);
    margin-bottom:14px;
  }
  .safety-panel-head::before{
    content:"✓";
    width:24px; height:24px;
    background:var(--c-primary-100);
    color:var(--c-primary-600);
    border-radius:50%;
    display:inline-flex;
    align-items:center; justify-content:center;
    font-size:13px; font-weight:700;
  }
  .safety-items{
    display:grid;
    grid-template-columns: repeat(3,1fr);
    gap:20px;
    margin-top:8px;
  }
  .safety-item{
    display:flex;
    gap:12px;
    font-size:14px;
    color:var(--c-sub);
    line-height:1.7;
  }
  .safety-num{
    flex:0 0 28px;
    height:28px;
    background: var(--c-primary-050);
    color:var(--c-primary);
    border-radius:8px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:700;
    font-size:13px;
  }

  /* ===== FAQ ===== */
  .faq-block{
    background:var(--c-bg-alt);
    border-top:1px solid var(--c-line);
    border-bottom:1px solid var(--c-line);
  }
  .faq-list{
    max-width:900px;
    margin:0 auto;
    display:flex;
    flex-direction:column;
    gap:14px;
  }
  .faq-item{
    background: var(--c-bg);
    border:1px solid var(--c-line);
    border-radius: 14px;
    box-shadow: var(--shadow-1);
    overflow:hidden;
    transition: box-shadow .2s;
  }
  .faq-item[open]{
    box-shadow: var(--shadow-2);
    border-color: var(--c-primary-100);
  }
  .faq-item summary{
    list-style:none;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    padding:19px 24px;
    cursor:pointer;
    font-size:15px;
    font-weight:600;
    color:var(--c-dark);
    transition: color .2s;
  }
  .faq-item summary::-webkit-details-marker{ display:none; }
  .faq-item summary:hover{ color: var(--c-primary); }
  .faq-icon{
    width:30px; height:30px;
    flex:0 0 30px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:19px;
    color:var(--c-primary);
    background:var(--c-primary-100);
    border-radius:50%;
    transition: transform .2s;
  }
  .faq-item[open] .faq-icon{
    transform: rotate(45deg);
  }
  .faq-body{
    padding: 0 24px 22px 64px;
    font-size:14px;
    color:var(--c-sub);
    line-height:1.85;
  }

  /* ===== CTA 区 ===== */
  .cta-zone{
    padding: 90px 0 100px;
    background: var(--c-bg);
  }
  .cta-card{
    background: linear-gradient(120deg, var(--c-primary) 0%, #08443b 100%);
    border-radius: 28px;
    padding: 64px 54px;
    text-align:center;
    color:#fff;
    position:relative;
    overflow:hidden;
  }
  .cta-card::before, .cta-card::after{
    content:"";
    position:absolute;
    border-radius:50%;
    background: rgba(255,255,255,.05);
  }
  .cta-card::before{
    width:220px; height:220px;
    left:-60px; top:-60px;
  }
  .cta-card::after{
    width:320px; height:320px;
    right:-80px; bottom:-130px;
  }
  .cta-kicker{
    font-size:13px; letter-spacing:.12em;
    color: var(--c-accent);
    font-weight:600;
  }
  .cta-card h2{
    font-size:32px; font-weight:800;
    margin-top:14px;
  }
  .cta-card p{
    max-width:560px;
    margin:18px auto 30px;
    font-size:15px;
    line-height:1.8;
    opacity:.9;
  }
  .btn-white{
    display:inline-flex;
    align-items:center; justify-content:center;
    height:48px;
    padding:0 30px;
    background: #fff;
    color: var(--c-primary-600);
    font-size:15px; font-weight:700;
    border-radius: 12px;
    border:1px solid transparent;
    transition: transform .2s, box-shadow .2s;
  }
  .btn-white:hover{
    transform: translateY(-2px);
    box-shadow: 0 14px 26px rgba(0,0,0,.16);
  }

  /* ===== 通用按钮 ===== */
  .btn-primary{
    display:inline-flex;
    align-items:center; justify-content:center;
    height:48px;
    padding:0 26px;
    background: var(--c-primary);
    color:#fff;
    border:1px solid transparent;
    border-radius: 12px;
    font-size:14px; font-weight:600;
    gap:8px;
    transition: background .2s, transform .2s, box-shadow .2s;
  }
  .btn-primary:hover{
    background: var(--c-primary-600);
    box-shadow: var(--shadow-2);
  }
  .btn-primary:active{
    transform: scale(.98);
  }
  .btn-outline{
    display:inline-flex;
    align-items:center; justify-content:center;
    height:48px;
    padding:0 24px;
    background: transparent;
    color: var(--c-primary);
    border:1px solid var(--c-primary);
    border-radius:12px;
    font-size:14px; font-weight:600;
    gap:6px;
    transition: background .2s, color .2s, transform .2s;
  }
  .btn-outline:hover{
    background: var(--c-primary-100);
  }
  .btn-outline:active{
    transform: scale(.98);
  }

  /* ===== 页脚 ===== */
  .site-footer{
    background: var(--c-footer);
    color: var(--c-footer-sub);
    padding-top: 60px;
    position: relative;
    margin-left: 240px;
  }
  .site-footer a{ color: var(--c-footer-sub); transition: color .2s; }
  .site-footer a:hover{ color:#fff; text-decoration:underline; }
  .footer-main{
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap:48px;
    padding-bottom:40px;
  }
  .footer-brand{
    display:flex;
    align-items:center;
    gap:12px;
    margin-bottom:14px;
  }
  .footer-brand .brand-mark{
    width:36px; height:36px;
    background: rgba(255,255,255,.1);
    color:#fff;
    border-radius: 10px;
    display:flex;
    align-items:center; justify-content:center;
    font-size:18px; font-weight:700;
  }
  .footer-brand-name{
    font-size:16px;
    font-weight:700;
    color:#fff;
  }
  .footer-desc{
    font-size:14px;
    line-height:1.8;
    max-width:420px;
    color: var(--c-footer-sub);
  }
  .footer-column h4{
    color:#fff;
    font-size:15px;
    font-weight:600;
    margin-bottom:18px;
  }
  .footer-column ul{
    display:flex;
    flex-direction:column;
    gap:10px;
  }
  .footer-column ul a{
    font-size:14px;
  }
  .footer-set-link{
    display:flex;
    justify-content:space-between;
    padding:12px 0;
    border-bottom:1px solid rgba(255,255,255,.08);
    font-size:14px;
  }
  .footer-set-link span:last-child{ color: rgba(255,255,255,.75); }
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.08);
    padding: 20px 0;
    font-size:13px;
  }
  .footer-bottom-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    flex-wrap:wrap;
  }
  .footer-bottom a{ margin-left:8px; }
  .footer-domain{ opacity:.62; }

  /* ===== 响应式 ===== */
  @media (max-width: 1199px){
    .range-grid{ grid-template-columns: repeat(3,1fr); }
    .steps-grid{ gap:14px; }
  }
  @media (max-width: 1023px){
    .sidebar{ display:none; }
    .main-content{ margin-left:0; }
    .site-footer{ margin-left:0; }
    .mobile-topbar{ display:flex; }
    .container-x{ padding-left:20px; padding-right:20px; }
    .hero-layout{ gap:30px; grid-template-columns: 1fr; }
    .hero-visual{ max-width:560px; margin:0 auto; }
    .hero-visual-card{ height:300px; }
  }
  @media (max-width: 900px){
    .range-grid{ grid-template-columns: repeat(2,1fr); }
    .steps-grid{ grid-template-columns: repeat(2,1fr); }
    .scene-grid{ grid-template-columns: 1fr; }
    .stats-grid{ grid-template-columns: repeat(2,1fr); gap:12px 0; }
    .safety-items{ grid-template-columns: 1fr; }
    .stats-item:nth-child(2)::after{ display:none; }
    .section-block{ padding: 68px 0; }
    .footer-main{ grid-template-columns: 1fr; gap:32px; }
    .footer-bottom-inner{ flex-direction:column; align-items:flex-start; }
  }
  @media (max-width: 640px){
    .range-grid{ grid-template-columns:1fr; }
    .steps-grid{ grid-template-columns:1fr; }
    .category-hero{ padding:56px 0 44px; }
    .category-hero h1{ font-size:30px; }
    .hero-actions{ flex-direction:column; align-items:stretch; }
    .btn-primary,.btn-outline{ width:100%; }
    .cta-card{ padding:44px 22px; }
    .cta-card h2{ font-size:26px; }
    .hero-visual-card{ height:240px; }
    .section-head h2{ font-size:22px; }
    .stats-num{ font-size:30px; }
  }
  @media (max-width: 380px){
    .mobile-topbar{ padding:0 14px; }
    .hero-visual-card{ height:200px; }
    .stats-grid{ grid-template-columns:1fr; }
    .stats-item:not(:last-child)::after{ display:none; }
  }

/* roulang page: category2 */
:root{
  --c-primary:#0B6B5C; --c-primary-600:#095548; --c-primary-100:#E2F0EC; --c-primary-050:#F2F9F7;
  --c-accent:#F59E0B; --c-accent-600:#D97706; --c-dark:#1F2937; --c-sub:#4B5563; --c-faint:#9CA3AF;
  --c-line:#E5E7EB; --c-bg:#FFFFFF; --c-bg-alt:#F8FAFA; --c-footer:#0F332E; --c-footer-sub:#9DB8B2;
  --font-body:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,sans-serif;
  --radius:14px; --radius-sm:6px;
  --shadow-1:0 1px 3px rgba(15,51,46,.06),0 1px 2px rgba(15,51,46,.04);
  --shadow-2:0 6px 16px rgba(15,51,46,.07);
  --shadow-3:0 16px 32px rgba(15,51,46,.09);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--c-bg);color:var(--c-dark);line-height:1.6;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer}
.container-x{max-width:1200px;margin:0 auto;padding:0 32px}
.sidebar{position:fixed;left:0;top:0;bottom:0;width:240px;background:var(--c-primary-050);border-right:1px solid var(--c-line);display:flex;flex-direction:column;z-index:100}
.brand-area{height:80px;display:flex;align-items:center;gap:12px;padding:0 20px;border-bottom:1px solid rgba(11,107,92,.08)}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;flex-shrink:0}
.brand-name{font-size:15px;font-weight:600;color:var(--c-dark);line-height:1.2}
.brand-sub{font-size:12px;color:var(--c-faint);margin-top:2px}
.sidebar-nav{flex:1;display:flex;flex-direction:column;padding:24px 14px}
.nav-section-title{font-size:12px;color:var(--c-faint);letter-spacing:.08em;padding:0 10px;margin-bottom:8px}
.side-nav-list li a{display:flex;align-items:center;height:44px;padding:0 12px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;color:var(--c-dark);transition:all .2s;margin-bottom:4px;position:relative}
.side-nav-list li a:hover{background:var(--c-primary-100);color:var(--c-primary)}
.side-nav-list li a.active{background:var(--c-primary-100);color:var(--c-primary);font-weight:600}
.side-nav-list li a.active::before{content:'';position:absolute;left:-14px;top:50%;transform:translateY(-50%);width:3px;height:22px;background:var(--c-accent);border-radius:0 3px 3px 0}
.sidebar-status{padding:16px;border-top:1px solid rgba(11,107,92,.08);font-size:13px;color:var(--c-sub);display:flex;align-items:center;gap:8px}
.status-dot{width:7px;height:7px;border-radius:50%;background:#28B463;flex-shrink:0}
.sidebar-note{padding:0 16px 18px;font-size:12px;color:var(--c-faint);line-height:1.5}
.main-content{margin-left:240px;min-height:100vh;display:flex;flex-direction:column}
.mobile-header{display:none;position:sticky;top:0;left:0;right:0;height:56px;background:var(--c-bg);border-bottom:1px solid var(--c-line);z-index:1000;padding:0 16px;align-items:center;justify-content:space-between}
.mobile-menu-btn{width:40px;height:40px;border-radius:8px;border:1px solid var(--c-line);background:var(--c-bg);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--c-dark)}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:320px;background:var(--c-bg);z-index:2000;box-shadow:var(--shadow-3);transform:translateX(100%);transition:transform .3s;padding:24px 20px;overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
.drawer-title{font-size:17px;font-weight:700;color:var(--c-dark)}
.drawer-close{width:36px;height:36px;border-radius:8px;border:1px solid var(--c-line);background:var(--c-bg);font-size:18px;color:var(--c-dark);display:flex;align-items:center;justify-content:center}
.drawer-nav li a{display:block;padding:13px 12px;border-radius:8px;font-size:15px;font-weight:500;color:var(--c-dark);margin-bottom:6px;transition:all .2s}
.drawer-nav li a:hover,.drawer-nav li a.active{background:var(--c-primary-100);color:var(--c-primary)}
.drawer-overlay{position:fixed;inset:0;background:rgba(15,51,46,.4);z-index:1999;opacity:0;visibility:hidden;transition:all .3s}
.drawer-overlay.open{opacity:1;visibility:visible}
.site-footer{background:var(--c-footer);color:var(--c-footer-sub);margin-top:auto;border-radius:40px 40px 0 0}
.footer-main{padding:56px 32px 36px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;max-width:1200px;margin:0 auto}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.15);color:#fff}
.footer-brand-name{font-size:17px;font-weight:600;color:#fff}
.footer-desc{font-size:14px;line-height:1.8;color:var(--c-footer-sub);max-width:360px}
.footer-column h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:600}
.footer-column ul li{margin-bottom:8px}
.footer-column ul li a{font-size:14px;color:var(--c-footer-sub);transition:color .2s}
.footer-column ul li a:hover{color:#fff;text-decoration:underline}
.footer-set-link{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:14px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0}
.footer-bottom-inner{display:flex;justify-content:space-between;font-size:13px;color:var(--c-footer-sub)}
.footer-bottom-inner a{color:var(--c-footer-sub);transition:color .2s}
.footer-bottom-inner a:hover{color:#fff}
.category-hero{position:relative;background:var(--c-primary-050);padding:72px 0 60px;overflow:hidden}
.category-hero-bg{position:absolute;top:0;right:0;width:100%;height:100%;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.3;z-index:0}
.category-hero-inner{position:relative;z-index:1;max-width:880px;margin:0 auto;padding:0 32px}
.cat-badge{display:inline-flex;align-items:center;gap:6px;background:var(--c-primary-100);color:var(--c-primary);font-size:13px;font-weight:600;padding:5px 14px;border-radius:30px;margin-bottom:16px}
.cat-badge::before{content:'';width:6px;height:6px;background:var(--c-accent);border-radius:50%}
.category-hero h1{font-size:36px;line-height:1.3;font-weight:700;color:var(--c-dark);margin-bottom:16px}
.category-hero h1 span{color:var(--c-primary)}
.category-hero .hero-desc{font-size:16px;line-height:1.9;color:var(--c-sub);max-width:720px}
.section-block{padding:80px 0}
.section-block.bg-alt{background:var(--c-bg-alt)}
.section-head{max-width:880px;margin-bottom:40px}
.section-eyebrow{font-size:13px;color:var(--c-accent);font-weight:600;letter-spacing:.05em;margin-bottom:6px}
.section-head h2{font-size:28px;font-weight:700;color:var(--c-dark);margin-bottom:12px;line-height:1.35;position:relative;padding-left:16px}
.section-head h2::before{content:'';position:absolute;left:0;top:8px;bottom:8px;width:4px;background:var(--c-primary);border-radius:2px}
.section-head p{font-size:15px;color:var(--c-sub);line-height:1.8}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.guide-card{background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--radius);padding:28px;transition:all .25s;box-shadow:var(--shadow-1);position:relative}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);border-color:var(--c-primary-100)}
.guide-card .num-badge{position:absolute;top:24px;right:24px;font-size:30px;font-weight:800;color:var(--c-primary-100);line-height:1}
.guide-card h3{font-size:17px;font-weight:700;color:var(--c-dark);margin-bottom:10px;position:relative}
.guide-card p{font-size:14px;color:var(--c-sub);line-height:1.75;margin-bottom:16px}
.guide-icon{width:44px;height:44px;border-radius:12px;background:var(--c-primary-100);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.guide-link{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;transition:gap .2s}
.guide-link:hover{gap:10px}
.scenario-box{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1)}
.scenario-img{position:relative;min-height:320px;background-image:url('/assets/images/coverpic/cover-4.png');background-size:cover;background-position:center}
.scenario-content{padding:40px 36px}
.scenario-content h3{font-size:21px;font-weight:700;color:var(--c-dark);margin-bottom:14px}
.scenario-list li{display:flex;gap:12px;margin-bottom:14px;font-size:15px;color:var(--c-sub);line-height:1.7}
.scenario-list li .check-dot{width:20px;height:20px;border-radius:50%;background:var(--c-primary-100);display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:3px;color:var(--c-primary);font-size:12px;font-weight:700}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-chip{background:var(--c-primary-050);border:1px solid rgba(11,107,92,.08);border-radius:var(--radius);padding:28px 20px;text-align:center}
.stat-num{font-size:34px;font-weight:800;color:var(--c-primary);line-height:1.3}
.stat-unit{font-size:14px;color:var(--c-accent);font-weight:700;margin-left:2px}
.stat-label{font-size:14px;color:var(--c-sub);margin-top:6px}
.steps-wrap{max-width:880px;margin:0 auto}
.step-row{display:flex;gap:20px;margin-bottom:16px;padding:24px;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--radius);position:relative;box-shadow:var(--shadow-1)}
.step-row .step-index{width:36px;height:36px;border-radius:10px;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0;margin-top:2px}
.step-row .step-title{font-weight:700;color:var(--c-dark);margin-bottom:6px}
.step-row .step-desc{color:var(--c-sub);font-size:14px;line-height:1.8}
.faq-zone{background:var(--c-bg-alt);padding:80px 0}
.faq-list{max-width:880px;margin:0 auto}
.faq-item{background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-1)}
.faq-item summary{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;cursor:pointer;list-style:none;font-size:16px;font-weight:600;color:var(--c-dark);transition:background .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--c-primary-050)}
.faq-item summary .faq-icon{width:24px;height:24px;border-radius:50%;background:var(--c-primary-100);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--c-primary);flex-shrink:0;transition:transform .3s}
.faq-item[open] summary .faq-icon{transform:rotate(45deg)}
.faq-item[open]{box-shadow:var(--shadow-2)}
.faq-body{padding:0 22px 20px;color:var(--c-sub);font-size:14px;line-height:1.85}
.cta-section{border-radius:48px 48px 0 0;background:var(--c-primary);padding:72px 32px;text-align:center;color:#fff}
.cta-section h2{font-size:30px;font-weight:700;margin-bottom:14px}
.cta-section p{opacity:.9;margin-bottom:28px;font-size:16px}
.cta-white-btn{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--c-primary-600);font-weight:700;padding:13px 30px;border-radius:12px;font-size:15px;transition:all .25s;box-shadow:0 4px 14px rgba(0,0,0,.08)}
.cta-white-btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.15)}
.flow-info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.flow-card{display:flex;gap:14px;align-items:flex-start;background:var(--c-bg);padding:22px;border-radius:var(--radius);border:1px dashed var(--c-line);transition:all .2s}
.flow-card:hover{border-color:var(--c-primary);background:var(--c-primary-050)}
.flow-icon{width:40px;height:40px;border-radius:10px;background:var(--c-primary-100);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.flow-card h4{font-size:16px;font-weight:700;color:var(--c-dark);margin-bottom:4px}
.flow-card p{font-size:13px;color:var(--c-sub);line-height:1.7}
.cover-showcase{position:relative;border-radius:16px;overflow:hidden;background-image:url('/assets/images/coverpic/cover-2.webp');background-size:cover;background-position:center;min-height:220px}
.cover-showcase .cover-text{position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(9,85,72,.88) 100%);display:flex;align-items:flex-end;padding:24px;color:#fff}
.cover-showcase .cover-text span{font-size:17px;font-weight:600}
.device-note-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.device-card{background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-1)}
.device-card h3{font-size:17px;font-weight:700;margin-bottom:10px;color:var(--c-dark);display:flex;align-items:center;gap:8px}
.device-card p{font-size:14px;color:var(--c-sub);line-height:1.8}
.tip-tag{display:inline-flex;align-items:center;gap:4px;background:var(--c-accent);color:#fff;font-size:12px;font-weight:600;border-radius:20px;padding:2px 12px;margin-bottom:8px}
@media (max-width:1024px){
.sidebar{display:none}
.main-content{margin-left:0}
.mobile-header{display:flex}
.footer-main{grid-template-columns:1fr 1fr;padding:48px 20px 32px}
.footer-bottom-inner{flex-direction:column;gap:8px;text-align:center;padding:0 20px}
.guide-grid{grid-template-columns:repeat(2,1fr)}
.stat-grid{grid-template-columns:repeat(2,1fr)}
.scenario-box{grid-template-columns:1fr}
.scenario-img{min-height:200px}
.device-note-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
.container-x{padding:0 20px}
.category-hero{padding:48px 0 40px}
.category-hero-inner{padding:0 20px}
.category-hero h1{font-size:27px}
.category-hero .hero-desc{font-size:15px}
.section-block{padding:56px 0}
.guide-grid{grid-template-columns:1fr}
.section-head h2{font-size:22px}
.cta-section h2{font-size:24px}
.footer-main{grid-template-columns:1fr}
.step-row{flex-direction:column}
.stat-grid{grid-template-columns:repeat(2,1fr);gap:12px}
.scenario-content{padding:24px 20px}
}

/* roulang page: category4 */
:root {
        --c-primary: #0B6B5C;
        --c-primary-600: #095548;
        --c-primary-100: #E2F0EC;
        --c-primary-050: #F2F9F7;
        --c-accent: #F59E0B;
        --c-accent-600: #D97706;
        --c-dark: #1F2937;
        --c-sub: #4B5563;
        --c-faint: #9CA3AF;
        --c-line: #E5E7EB;
        --c-bg: #FFFFFF;
        --c-bg-alt: #F8FAFA;
        --c-footer: #0F332E;
        --c-footer-sub: #9DB8B2;
        --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;
        --radius: 12px;
        --radius-sm: 6px;
        --shadow-1: 0 1px 3px rgba(15, 51, 46, .06), 0 1px 2px rgba(15, 51, 46, .04);
        --shadow-2: 0 6px 16px rgba(15, 51, 46, .07);
        --shadow-3: 0 16px 32px rgba(15, 51, 46, .09);
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--font-body);
        color: var(--c-dark);
        background: #fff;
        line-height: 1.6;
        font-size: 16px;
    }
    a {
        color: inherit;
        text-decoration: none;
    }
    img {
        max-width: 100%;
        display: block;
    }
    button {
        font-family: inherit;
        cursor: pointer;
        border: none;
        background: none;
    }
    input,
    select {
        font-family: inherit;
    }
    .container-x {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 32px;
    }
    .container-wide {
        max-width: 1320px;
        margin: 0 auto;
        padding: 0 32px;
    }

    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        width: 240px;
        background: var(--c-primary-050);
        border-right: 1px solid var(--c-line);
        display: flex;
        flex-direction: column;
        z-index: 100;
    }
    .sidebar-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 0 20px;
        height: 80px;
        border-bottom: 1px solid rgba(229, 231, 235, .8);
        flex-shrink: 0;
    }
    .brand-mark {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        background: var(--c-primary);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        font-weight: 600;
        flex-shrink: 0;
    }
    .brand-name {
        font-size: 16px;
        font-weight: 600;
        color: var(--c-dark);
        line-height: 1.3;
    }
    .brand-name small {
        display: block;
        font-size: 12px;
        font-weight: 400;
        color: var(--c-faint);
        letter-spacing: .02em;
    }
    .sidebar-nav {
        flex: 1;
        padding: 18px 14px;
        overflow-y: auto;
    }
    .nav-section-title {
        font-size: 12px;
        letter-spacing: .1em;
        padding: 0 12px 12px;
        color: var(--c-faint);
        font-weight: 500;
    }
    .side-nav-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
    .side-nav-list a {
        display: block;
        padding: 11px 14px;
        border-radius: 8px;
        font-size: 14px;
        font-weight: 500;
        color: var(--c-dark);
        transition: background .2s, color .2s;
        position: relative;
        border-left: 3px solid transparent;
    }
    .side-nav-list a:hover {
        background: var(--c-primary-100);
        border-left-color: var(--c-primary);
    }
    .side-nav-list a.active {
        background: var(--c-primary-100);
        border-left-color: var(--c-accent);
        color: var(--c-primary-600);
        font-weight: 600;
    }
    .side-status {
        padding: 16px 16px 14px;
        border-top: 1px solid var(--c-line);
        font-size: 12px;
        color: var(--c-sub);
        flex-shrink: 0;
    }
    .side-status-dot {
        width: 8px;
        height: 8px;
        background: #22c55e;
        border-radius: 50%;
        display: inline-block;
        margin-right: 6px;
        box-shadow: 0 0 0 3px rgba(34, 197, 94, .15);
    }
    .side-security {
        font-size: 11px;
        color: var(--c-faint);
        padding: 8px 0 0 0;
    }
    .main-wrap {
        margin-left: 240px;
        min-height: 100vh;
    }

    .topbar {
        display: none;
    }

    .cat-hero {
        background: linear-gradient(135deg, #FAFDFB 0%, var(--c-primary-050) 60%, #EAF3F0 100%);
        border-bottom: 1px solid rgba(229, 231, 235, .5);
        position: relative;
        overflow: hidden;
    }
    .cat-hero::after {
        content: "9";
        position: absolute;
        right: 60px;
        bottom: -40px;
        font-size: 220px;
        font-weight: 800;
        color: var(--c-primary);
        opacity: .05;
        line-height: 1;
        pointer-events: none;
    }
    .cat-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        font-weight: 500;
        background: var(--c-primary-100);
        color: var(--c-primary-600);
        padding: 6px 14px;
        border-radius: 999px;
    }
    .cat-h1 {
        font-size: 34px;
        line-height: 1.35;
        font-weight: 700;
        color: var(--c-dark);
        letter-spacing: -.01em;
    }
    .cat-desc {
        font-size: 15px;
        line-height: 1.8;
        color: var(--c-sub);
    }

    .section-block {
        padding: 72px 0;
    }
    .section-label {
        font-size: 13px;
        letter-spacing: .12em;
        color: var(--c-primary);
        font-weight: 500;
        display: block;
        margin-bottom: 6px;
    }
    .section-head {
        font-size: 26px;
        font-weight: 700;
        color: var(--c-dark);
        display: flex;
        align-items: center;
        gap: 10px;
        line-height: 1.4;
    }
    .section-head span.vbar {
        width: 4px;
        height: 20px;
        background: var(--c-primary);
        border-radius: 4px;
        display: inline-block;
    }
    .section-sub {
        color: var(--c-sub);
        font-size: 15px;
        line-height: 1.8;
    }

    .guide-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .guide-card {
        background: #fff;
        border: 1px solid var(--c-line);
        border-radius: var(--radius);
        box-shadow: var(--shadow-1);
        padding: 24px;
        transition: transform .25s, box-shadow .25s, border-color .25s;
    }
    .guide-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-3);
        border-color: var(--c-primary-100);
    }
    .guide-icon {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: var(--c-primary-100);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        color: var(--c-primary);
        font-weight: 600;
        margin-bottom: 14px;
    }
    .guide-card h3 {
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 8px;
        color: var(--c-dark);
    }
    .guide-card p {
        font-size: 14px;
        line-height: 1.75;
        color: var(--c-sub);
    }

    .stat-strip {
        background: var(--c-primary-050);
        border-top: 1px solid var(--c-line);
        border-bottom: 1px solid var(--c-line);
    }
    .stat-inner {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        padding: 44px 32px;
        gap: 24px;
    }
    .stat-num {
        font-size: 34px;
        font-weight: 700;
        color: var(--c-primary);
        line-height: 1.2;
    }
    .stat-num small {
        font-size: 14px;
        color: var(--c-accent);
        font-weight: 600;
        margin-left: 2px;
    }
    .stat-desc {
        font-size: 14px;
        color: var(--c-sub);
        margin-top: 4px;
    }

    .faq-item {
        background: #fff;
        border: 1px solid var(--c-line);
        border-radius: var(--radius);
        margin-bottom: 12px;
        box-shadow: var(--shadow-1);
        transition: box-shadow .2s;
        overflow: hidden;
    }
    .faq-item[open] {
        box-shadow: var(--shadow-2);
    }
    .faq-item summary {
        list-style: none;
        cursor: pointer;
        padding: 18px 22px;
        font-size: 15px;
        font-weight: 600;
        color: var(--c-dark);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 18px;
        min-height: 52px;
        transition: background .2s;
    }
    .faq-item summary:hover {
        background: var(--c-primary-050);
    }
    .faq-item summary::-webkit-details-marker {
        display: none;
    }
    .faq-icon {
        width: 26px;
        height: 26px;
        border-radius: 50%;
        background: var(--c-primary-100);
        color: var(--c-primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        font-weight: 500;
        flex-shrink: 0;
        transition: transform .2s, background .2s, color .2s;
        font-style: normal;
        line-height: 1;
    }
    .faq-item[open] .faq-icon {
        transform: rotate(45deg);
        background: var(--c-primary);
        color: #fff;
    }
    .faq-answer {
        padding: 0 22px 20px;
        font-size: 14px;
        line-height: 1.85;
        color: var(--c-sub);
        border-top: 1px solid rgba(229, 231, 235, .5);
        padding-top: 14px;
    }
    .faq-answer strong {
        color: var(--c-dark);
        font-weight: 600;
    }

    .scene-wrap {
        background: #fff;
        border-radius: var(--radius);
        border: 1px solid var(--c-line);
        overflow: hidden;
    }
    .scene-img {
        position: relative;
        min-height: 220px;
        background: url(/assets/images/coverpic/cover-4.png) center/cover no-repeat;
        display: flex;
        align-items: flex-end;
    }
    .scene-img .overlay-text {
        background: linear-gradient(180deg, rgba(11, 107, 92, .1), rgba(15, 51, 46, .85));
        width: 100%;
        padding: 32px 22px 18px;
        color: #fff;
        border-radius: 0 0 var(--radius) var(--radius);
    }
    .scene-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 8px;
    }
    .scene-tags span {
        background: rgba(255, 255, 255, .18);
        padding: 4px 12px;
        border-radius: 999px;
        font-size: 12px;
        color: #fff;
        backdrop-filter: blur(4px);
    }
    .safety-card {
        background: var(--c-primary-050);
        border: 1px solid var(--c-line);
        border-radius: var(--radius);
        padding: 22px;
        font-size: 14px;
        color: var(--c-sub);
        line-height: 1.8;
    }
    .safety-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .safety-list li {
        display: flex;
        gap: 10px;
        align-items: flex-start;
    }
    .safety-list li::before {
        content: "✓";
        display: inline-flex;
        width: 20px;
        height: 20px;
        background: var(--c-primary);
        color: #fff;
        font-size: 12px;
        border-radius: 50%;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        margin-top: 2px;
    }

    .flow-steps {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
        counter-reset: step;
    }
    .flow-step {
        background: var(--c-primary-050);
        border: 1px solid var(--c-line);
        border-radius: var(--radius);
        padding: 24px 18px;
        text-align: center;
        position: relative;
    }
    .flow-step::before {
        counter-increment: step;
        content: "0" counter(step);
        display: block;
        width: 30px;
        height: 30px;
        background: var(--c-primary);
        color: #fff;
        border-radius: 50%;
        line-height: 30px;
        font-size: 12px;
        font-weight: 700;
        margin: 0 auto 12px;
    }
    .flow-step h4 {
        font-size: 15px;
        font-weight: 600;
        margin-bottom: 6px;
    }
    .flow-step p {
        font-size: 13px;
        color: var(--c-sub);
        line-height: 1.7;
    }

    .common-links-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }
    .common-link-card {
        background: #fff;
        border: 1px solid var(--c-line);
        border-radius: var(--radius);
        padding: 24px 20px;
        transition: transform .2s, box-shadow .2s;
    }
    .common-link-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-2);
        border-color: var(--c-primary-100);
    }
    .common-link-card .icon {
        font-size: 22px;
        margin-bottom: 10px;
        display: block;
    }
    .common-link-card h4 {
        font-size: 15px;
        font-weight: 600;
        margin-bottom: 4px;
    }
    .common-link-card p {
        font-size: 13px;
        color: var(--c-faint);
        line-height: 1.6;
    }
    .common-link-card a {
        display: inline-block;
        margin-top: 12px;
        font-size: 13px;
        font-weight: 600;
        color: var(--c-primary);
    }
    .common-link-card a:hover {
        color: var(--c-accent-600);
    }

    .note-banner {
        background: #FDF9EF;
        border: 1px solid #FCE6B6;
        border-radius: var(--radius);
        padding: 18px 20px;
        font-size: 14px;
        color: #7A5B12;
        display: flex;
        gap: 12px;
        align-items: flex-start;
    }

    .cta-big {
        background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-600) 100%);
        border-radius: 24px 24px 0 0;
        padding: 60px 32px;
        text-align: center;
        color: #fff;
    }
    .cta-big h2 {
        color: #fff;
        font-size: 28px;
        font-weight: 700;
        margin-bottom: 12px;
    }
    .cta-big p {
        color: rgba(255, 255, 255, .85);
        font-size: 15px;
        margin-bottom: 28px;
        max-width: 560px;
        margin-left: auto;
        margin-right: auto;
    }
    .btn-cta-primary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: #fff;
        color: var(--c-primary-600);
        font-weight: 700;
        font-size: 15px;
        padding: 14px 36px;
        border-radius: var(--radius);
        transition: all .2s;
        box-shadow: 0 4px 14px rgba(0, 0, 0, .12);
    }
    .btn-cta-primary:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-3);
    }
    .btn-cta-secondary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(255, 255, 255, .12);
        border: 1px solid rgba(255, 255, 255, .35);
        color: #fff;
        font-weight: 500;
        font-size: 14px;
        padding: 12px 26px;
        border-radius: var(--radius);
        transition: all .2s;
        margin-left: 12px;
    }
    .btn-cta-secondary:hover {
        background: rgba(255, 255, 255, .2);
    }

    .site-footer {
        background: var(--c-footer);
        color: var(--c-footer-sub);
        font-size: 14px;
    }
    .footer-main {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr;
        gap: 40px;
        padding: 56px 0 36px;
    }
    .footer-brand {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 14px;
    }
    .footer-brand .brand-mark {
        background: rgba(255, 255, 255, .12);
        color: #fff;
        border: 1px solid rgba(255, 255, 255, .15);
    }
    .footer-brand-name {
        color: #fff;
        font-size: 17px;
        font-weight: 600;
    }
    .footer-desc {
        font-size: 13px;
        line-height: 1.85;
        max-width: 360px;
        margin-bottom: 14px;
        color: rgba(255, 255, 255, .72);
    }
    .footer-column h4 {
        color: #fff;
        font-size: 15px;
        font-weight: 600;
        margin-bottom: 16px;
    }
    .footer-column ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .footer-column a {
        color: rgba(255, 255, 255, .68);
        font-size: 14px;
        transition: color .2s;
    }
    .footer-column a:hover {
        color: #fff;
    }
    .footer-set-link {
        display: flex;
        justify-content: space-between;
        padding: 8px 0;
        border-bottom: 1px solid rgba(255, 255, 255, .08);
        font-size: 13px;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, .08);
        padding: 18px 0;
        font-size: 13px;
    }
    .footer-bottom-inner {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
    }
    .footer-domain {
        color: rgba(255, 255, 255, .45);
    }

    @media (max-width: 1024px) {
        .sidebar {
            display: none;
        }
        .main-wrap {
            margin-left: 0;
        }
        .topbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 56px;
            padding: 0 20px;
            background: var(--c-primary-050);
            border-bottom: 1px solid var(--c-line);
            position: sticky;
            top: 0;
            z-index: 90;
        }
        .topbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .topbar-brand .brand-mark {
            width: 32px;
            height: 32px;
            font-size: 16px;
            border-radius: 8px;
        }
        .topbar-brand-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--c-dark);
        }
        .hamburger-btn {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            transition: background .2s;
        }
        .hamburger-btn:hover {
            background: var(--c-primary-100);
        }
        .mobile-drawer {
            position: fixed;
            inset: 0;
            z-index: 200;
            visibility: hidden;
            pointer-events: none;
            transition: visibility .2s;
        }
        .mobile-drawer.open {
            visibility: visible;
            pointer-events: all;
        }
        .drawer-overlay {
            position: absolute;
            inset: 0;
            background: rgba(15, 51, 46, .4);
            backdrop-filter: blur(2px);
            opacity: 0;
            transition: opacity .25s;
        }
        .mobile-drawer.open .drawer-overlay {
            opacity: 1;
        }
        .drawer-panel {
            position: absolute;
            right: 0;
            top: 0;
            bottom: 0;
            width: 320px;
            max-width: 90%;
            background: #fff;
            box-shadow: -8px 0 30px rgba(0, 0, 0, .12);
            transform: translateX(100%);
            transition: transform .28s ease;
            display: flex;
            flex-direction: column;
            padding: 0;
        }
        .mobile-drawer.open .drawer-panel {
            transform: translateX(0);
        }
        .drawer-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 18px;
            border-bottom: 1px solid var(--c-line);
        }
        .drawer-close {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            font-size: 16px;
            color: var(--c-sub);
            transition: background .2s;
        }
        .drawer-close:hover {
            background: var(--c-primary-100);
        }
        .drawer-nav {
            padding: 14px;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .drawer-nav a {
            padding: 13px 16px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--c-dark);
            transition: all .2s;
            border-left: 3px solid transparent;
        }
        .drawer-nav a:hover {
            background: var(--c-primary-100);
        }
        .drawer-nav a.active {
            background: var(--c-primary-100);
            border-left-color: var(--c-accent);
            color: var(--c-primary-600);
            font-weight: 600;
        }
        .guide-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 768px) {
        .container-x,
        .container-wide {
            padding: 0 20px;
        }
        .section-block {
            padding: 56px 0;
        }
        .cat-h1 {
            font-size: 28px;
        }
        .stat-inner {
            grid-template-columns: repeat(2, 1fr);
            padding: 32px 20px;
            gap: 28px 20px;
        }
        .flow-steps {
            grid-template-columns: repeat(2, 1fr);
        }
        .common-links-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .footer-main {
            grid-template-columns: 1fr;
            gap: 28px;
            padding: 36px 0 24px;
        }
        .cta-big {
            padding: 40px 20px;
            border-radius: 16px 16px 0 0;
        }
        .guide-grid {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 520px) {
        .section-head {
            font-size: 22px;
        }
        .flow-steps {
            grid-template-columns: 1fr 1fr;
        }
        .common-links-grid {
            grid-template-columns: 1fr;
        }
        .stat-num {
            font-size: 28px;
        }
        .cat-hero::after {
            display: none;
        }
        .footer-bottom-inner {
            flex-direction: column;
            text-align: center;
        }
    }

/* roulang page: category3 */
:root{
  --c-primary:#0B6B5C;
  --c-primary-600:#095548;
  --c-primary-100:#E2F0EC;
  --c-primary-050:#F2F9F7;
  --c-accent:#F59E0B;
  --c-accent-600:#D97706;
  --c-dark:#1F2937;
  --c-sub:#4B5563;
  --c-faint:#9CA3AF;
  --c-line:#E5E7EB;
  --c-bg:#FFFFFF;
  --c-bg-alt:#F8FAFA;
  --c-footer:#0F332E;
  --c-footer-sub:#9DB8B2;
  --font-body:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,sans-serif;
  --radius:12px;
  --radius-sm:6px;
  --shadow-1:0 1px 3px rgba(15,51,46,.06),0 1px 2px rgba(15,51,46,.04);
  --shadow-2:0 6px 16px rgba(15,51,46,.07);
  --shadow-3:0 16px 32px rgba(15,51,46,.09);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--c-dark);
  background:var(--c-bg);
  line-height:1.65;
  padding-left:240px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
ul{list-style:none}
.container-narrow{max-width:920px;margin:0 auto;padding:0 28px}

/* ============ Sidebar Desktop ============ */
.sidebar{
  position:fixed;inset:0 auto 0 0;width:240px;
  background:var(--c-primary-050);
  border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;
  overflow-y:auto;z-index:100;
}
.brand{display:flex;gap:10px;align-items:center;padding:24px 20px 16px}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--c-primary);color:#fff;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;flex:none;
}
.brand-info{line-height:1.25}
.brand-name{font-size:15px;font-weight:600;color:var(--c-dark)}
.brand-sub{font-size:12px;color:var(--c-sub)}
.nav-section-title{font-size:12px;color:var(--c-faint);letter-spacing:.12em;padding:10px 22px 6px}
.side-nav-list{padding:0 12px 12px}
.side-nav-list a{
  display:block;padding:10px 12px;margin-bottom:2px;
  border-left:3px solid transparent;border-radius:var(--radius-sm);
  font-size:14px;color:var(--c-dark);font-weight:500;
  transition:background .18s,border-color .18s,color .18s;
}
.side-nav-list a:hover{
  background:var(--c-primary-100);color:var(--c-primary);
  border-left-color:var(--c-primary);
}
.side-nav-list .active{
  background:#ffffff;border-left-color:var(--c-accent);
  color:var(--c-primary);font-weight:600;
}
.sidebar-footer{
  margin-top:auto;padding:18px 20px;
  border-top:1px solid var(--c-line);
}
.status-line{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--c-primary)}
.status-dot{width:8px;height:8px;border-radius:50%;background:#22C55E}
.secure-note{margin-top:8px;font-size:12px;color:var(--c-faint)}

/* ============ Mobile Top & Drawer ============ */
.mobile-top{
  display:none;position:sticky;top:0;z-index:90;
  height:56px;background:#ffffff;border-bottom:1px solid var(--c-line);
  align-items:center;justify-content:space-between;
  padding:0 16px;
}
.mobile-brand{display:flex;align-items:center;gap:9px;font-weight:600;font-size:15px;color:var(--c-dark)}
.mobile-brand .brand-mark{width:30px;height:30px;font-size:16px;border-radius:8px}
.mobile-burger{
  width:40px;height:40px;border:1px solid var(--c-line);border-radius:8px;
  background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.mobile-burger span{width:18px;height:2px;background:var(--c-dark);border-radius:2px;display:block}
.drawer-mask{display:none}
.drawer-menu{display:none}
@media(max-width:1023px){
  body{padding-left:0}
  .sidebar{display:none}
  .mobile-top{display:flex}
  .drawer-mask.open{
    display:block;position:fixed;inset:0;z-index:200;
    background:rgba(15,51,46,.45);
  }
  .drawer-menu.open{
    display:flex;flex-direction:column;
    position:fixed;top:0;right:0;bottom:0;width:320px;max-width:88%;
    background:var(--c-bg);z-index:210;
    box-shadow:var(--shadow-3);padding:24px;
  }
}
.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.drawer-title{font-size:15px;font-weight:600}
.drawer-close{font-size:26px;color:var(--c-sub);line-height:1}
.drawer-list a{
  display:block;padding:12px 14px;border-radius:10px;
  font-size:15px;color:var(--c-dark);font-weight:500;
}
.drawer-list a:hover{background:var(--c-primary-100);color:var(--c-primary)}
.drawer-list .active{background:var(--c-primary-050);color:var(--c-primary);font-weight:600}
.drawer-meta{margin-top:auto;font-size:13px;color:var(--c-faint);border-top:1px solid var(--c-line);padding-top:14px}

/* ============ Buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;border-radius:var(--radius);font-size:14px;font-weight:600;transition:all .2s}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-600);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-outline{border:1.5px solid var(--c-primary);color:var(--c-primary);background:rgba(255,255,255,.7)}
.btn-outline:hover{background:var(--c-primary-100);transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--c-primary-600)}
.btn-white:hover{background:#f6fff9;transform:translateY(-2px);box-shadow:var(--shadow-3)}
.btn-white-outline{border:1.5px solid rgba(255,255,255,.65);color:#fff;background:rgba(255,255,255,.06)}
.btn-white-outline:hover{background:rgba(255,255,255,.16);border-color:#fff;transform:translateY(-2px)}

/* ============ Page Hero ============ */
.page-hero{
  position:relative;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:76px 0 72px;isolation:isolate;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(255,255,255,.97) 12%,rgba(255,255,255,.85) 48%,rgba(226,240,236,.68));
}
.crumb{font-size:13px;color:var(--c-sub);margin-bottom:18px}
.crumb a{color:var(--c-sub)}
.crumb a:hover{color:var(--c-primary)}
.crumb i{font-style:normal;margin:0 8px;color:var(--c-faint)}
.crumb span{color:var(--c-dark);font-weight:600}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-100);border-radius:999px;padding:5px 14px;margin-bottom:14px;
}
.hero-kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.page-hero h1{font-size:38px;line-height:1.3;color:var(--c-dark);font-weight:700;letter-spacing:-.01em}
.hero-lead{margin-top:14px;font-size:16px;color:var(--c-sub);max-width:580px;line-height:1.8}
.hero-btns{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}

/* ============ Section Basics ============ */
.section{padding:70px 0}
.section-alt{background:var(--c-bg-alt)}
.section-head{display:flex;margin-bottom:34px}
.section-head::before{content:"";width:4px;border-radius:2px;background:var(--c-primary);margin-right:14px;flex:none}
.section-kicker{font-size:13px;color:var(--c-accent-600);font-weight:600;margin-bottom:6px}
.section-title{font-size:25px;font-weight:700;color:var(--c-dark);line-height:1.4}
.section-desc{font-size:14px;color:var(--c-sub);margin-top:8px;max-width:640px}

/* Data Band */
.data-band{background:var(--c-primary-050);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.data-cell{text-align:center;padding:30px 14px}
.data-cell+.data-cell{border-left:1px solid var(--c-line)}
.data-num{font-size:38px;line-height:1.1;font-weight:700;color:var(--c-primary)}
.data-num small{font-size:16px;color:var(--c-accent);font-weight:600;margin-left:4px}
.data-label{font-size:14px;color:var(--c-sub);margin-top:8px}

/* Feature Cards */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature-card{
  background:#fff;border:1px solid var(--c-line);
  border-radius:var(--radius);box-shadow:var(--shadow-1);
  padding:22px 20px;transition:transform .25s,box-shadow .25s,border-color .25s;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);border-color:var(--c-primary-100)}
.icon-badge{
  width:40px;height:40px;border-radius:10px;background:var(--c-primary-100);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.feature-card h3{font-size:16px;font-weight:600;color:var(--c-dark);margin-bottom:6px}
.feature-card p{font-size:14px;color:var(--c-sub);line-height:1.7}

/* Split visual */
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.visual-card{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-2)}
.visual-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.visual-card figcaption{font-size:12px;color:var(--c-faint);padding:9px 14px;background:#fff}
.info-list{margin-top:6px}
.route-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--c-line)}
.route-item:last-child{border-bottom:0}
.route-num{
  width:28px;height:28px;flex:none;border-radius:8px;
  background:var(--c-primary);color:#fff;font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.route-item h3{font-size:16px;font-weight:600;margin-bottom:4px}
.route-item p{font-size:14px;color:var(--c-sub);line-height:1.7}

/* Scenario cards */
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scenario-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);
  padding:24px;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s;
}
.scenario-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3)}
.scenario-card h3{font-size:17px;font-weight:600;margin-bottom:10px}
.scenario-card p{font-size:14px;color:var(--c-sub);line-height:1.75;flex:1}
.scenario-chip{
  display:inline-flex;align-items:center;margin-top:18px;align-self:flex-start;
  background:var(--c-primary-050);color:var(--c-primary);font-size:12px;
  border-radius:999px;padding:4px 12px;
}
.scenario-chip::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-accent);margin-right:6px}

/* Steps */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--c-line);border-radius:var(--radius);background:#fff;overflow:hidden}
.step-cell{padding:22px 18px;position:relative}
.step-cell+.step-cell{border-left:1px solid var(--c-line)}
.step-cell::before{content:"";position:absolute;top:18px;left:-5px;width:9px;height:9px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 4px #fff}
.step-cell:first-child::before{display:none}
.step-no{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--c-primary-100);color:var(--c-primary);font-weight:700;font-size:13px;margin-bottom:12px}
.step-cell h3{font-size:15px;font-weight:600;margin-bottom:7px}
.step-cell p{font-size:13px;color:var(--c-sub);line-height:1.7}

/* Reminder Split */
.reminder-list{margin-top:4px}
.reminder-item{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--c-line)}
.reminder-item:last-child{border-bottom:0}
.reminder-item b{color:var(--c-primary);flex:none}

/* FAQ */
.faq-grid{max-width:780px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);
  margin-bottom:10px;transition:box-shadow .2s;overflow:hidden;
}
.faq-item[open]{box-shadow:var(--shadow-2)}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;font-size:15px;font-weight:600;cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--c-primary-050)}
.faq-mark{font-size:24px;color:var(--c-primary);flex:none;font-weight:300}
.faq-item[open] .faq-mark{transform:rotate(45deg);color:var(--c-accent-600)}
.faq-answer{padding:2px 20px 20px;color:var(--c-sub);font-size:14px;line-height:1.85}

/* CTA */
.cta-panel{
  background:linear-gradient(135deg,var(--c-footer),var(--c-primary-600));
  border-radius:28px;padding:60px 48px;text-align:center;color:#fff;
  position:relative;overflow:hidden;
}
.cta-panel::after{content:"9";position:absolute;right:-20px;bottom:-70px;font-size:220px;line-height:1;color:rgba(255,255,255,.07);font-weight:800;pointer-events:none}
.cta-panel h2{font-size:26px;color:#fff;margin-bottom:12px}
.cta-panel p{font-size:15px;line-height:1.8;max-width:600px;margin:0 auto 26px;color:rgba(255,255,255,.85)}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ============ Footer ============ */
.site-footer{background:var(--c-footer);color:var(--c-footer-sub);padding-top:56px}
.footer-main{max-width:1200px;margin:0 auto;padding:0 32px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:64px}
.footer-brand{display:flex;gap:12px;align-items:center;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff;width:40px;height:40px}
.footer-brand-name{font-size:16px;font-weight:600;color:#fff}
.footer-desc{font-size:14px;line-height:1.8;max-width:300px;color:var(--c-footer-sub)}
.footer-column h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-column ul li a{display:block;padding:5px 0;font-size:14px;color:var(--c-footer-sub);transition:color .2s}
.footer-column ul li a:hover{color:#fff;text-decoration:underline}
.footer-set-link{display:flex;justify-content:space-between;align-items:center;padding:6px 0;font-size:14px;border-bottom:1px dashed rgba(255,255,255,.12)}
.footer-set-link span:last-child{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px}
.footer-bottom-inner{
  max-width:1200px;margin:0 auto;padding:15px 32px;display:flex;
  justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:13px;
}
.footer-domain{color:rgba(255,255,255,.35)}
.footer-bottom-inner a{color:var(--c-footer-sub)}
.footer-bottom-inner a:hover{color:#fff}

/* ============ Responsive ============ */
@media(max-width:1023px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .data-grid{grid-template-columns:repeat(2,1fr)}
  .data-cell+.data-cell{border-left:0}
  .data-cell:nth-child(even){border-left:1px solid var(--c-line)}
  .data-cell:nth-child(n+3){border-top:1px solid var(--c-line)}
  .split-grid{grid-template-columns:1fr}
  .scenario-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .step-cell:nth-child(3){border-top:1px solid var(--c-line)}
  .step-cell:nth-child(4){border-top:1px solid var(--c-line)}
  .step-cell+.step-cell{border-left:1px solid var(--c-line)}
  .step-cell:nth-child(3){border-left:0}
  .footer-main{grid-template-columns:1fr 1fr;gap:40px}
}
@media(max-width:767px){
  .container-narrow{padding:0 20px}
  .page-hero{padding:56px 0}
  .page-hero h1{font-size:30px}
  .hero-lead{font-size:15px}
  .section{padding:56px 0}
  .section-title{font-size:22px}
  .scenario-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  .step-cell+.step-cell{border-left:0;border-top:1px solid var(--c-line)}
  .grid-4{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr;padding:0 20px;gap:32px}
  .footer-bottom-inner{padding:15px 20px;flex-direction:column}
  .cta-panel{padding:44px 24px;border-radius:20px}
  .footer-bottom-inner > div:first-child{display:flex;flex-direction:column;gap:4px}
}
@media(max-width:520px){
  .data-grid{grid-template-columns:1fr 1fr}
  .hero-btns .btn{width:100%}
  .brand-mark{width:32px;height:32px;font-size:17px}
  .page-hero h1{font-size:27px}
}