/* roulang page: index */
:root {
    --gold: #C8A062;
    --gold-light: #E5CD9F;
    --gold-deep: #98743D;
    --deep: #0E1411;
    --night: #111917;
    --pine: #24423C;
    --paper: #F5F1E7;
    --cream: #FCF8F1;
    --ink: #222622;
    --muted: #68736C;
    --line: rgba(200, 160, 98, .24);
    --shadow-sm: 0 4px 18px rgba(14, 20, 17, .06);
    --shadow-md: 0 12px 30px rgba(14, 20, 17, .08);
    --shadow-gold: 0 8px 26px rgba(200, 160, 98, .25);
    --radius: 4px;
    --radius-card: 10px;
    --ease: .2s ease;
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: "HarmonyOS Sans", "MiSans", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--paper);
    color: var(--body);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  ::selection {
    background: rgba(200, 160, 98, .35);
  }

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

  a {
    text-decoration: none;
    color: inherit;
  }

  p {
    line-height: 1.8;
  }

  h1,
  h2,
  h3,
  h4 {
    margin: 0 0 .45em;
    font-weight: 800;
  }

  .container-site {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
  }

  @media (min-width: 768px) {
    .container-site {
      padding-left: 32px;
      padding-right: 32px;
    }
  }

  .site-section {
    padding-top: 96px;
    padding-bottom: 96px;
  }

  @media (max-width: 768px) {
    .site-section {
      padding-top: 56px;
      padding-bottom: 56px;
    }
  }

  .section-overline {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--gold-deep);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .18em;
  }

  .section-overline::before {
    content: "";
    width: 28px;
    height: 1px;
    background: var(--gold);
  }

  .section-title {
    font-size: clamp(26px, 3.2vw, 38px);
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin: 14px 0 18px;
  }

  .section-desc {
    max-width: 720px;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.8;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: 1px solid transparent;
    font-weight: 700;
    font-size: 15px;
    line-height: 1;
    padding: 0 1.5rem;
    min-height: 48px;
    border-radius: 3px;
    cursor: pointer;
    transition: transform .2s ease, background-color .2s ease, box-shadow .2s ease, border-color .2s ease, color .2s ease;
    white-space: nowrap;
  }

  .btn-gold {
    background: var(--gold);
    color: #0E1411;
  }

  .btn-gold:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(200, 160, 98, .28);
    color: #0E1411;
  }

  .btn-gold:focus-visible,
  .btn-ghost:focus-visible,
  .btn-outline-dark:focus-visible {
    outline: 2px solid rgba(200, 160, 98, .8);
    outline-offset: 3px;
  }

  .btn-ghost {
    background: transparent;
    border-color: rgba(200, 160, 98, .75);
    color: #E7DCC7;
  }

  .btn-ghost:hover {
    background: rgba(200, 160, 98, .15);
    border-color: var(--gold);
    color: #fff;
    transform: translateY(-1px);
  }

  .btn-outline-dark {
    background: transparent;
    border-color: rgba(152, 116, 61, .55);
    color: var(--pine);
  }

  .btn-outline-dark:hover {
    background: rgba(200, 160, 98, .12);
    border-color: var(--gold-deep);
    color: var(--deep);
    transform: translateY(-1px);
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 260px;
    z-index: 60;
    background: var(--deep);
    border-right: 1px solid rgba(200, 160, 98, .15);
    overflow-y: auto;
  }

  .sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 11px 16px;
    color: rgba(245, 241, 231, .68);
    font-size: 15px;
    font-weight: 500;
    border-radius: 4px;
    position: relative;
    transition: color .2s ease, background-color .2s ease;
  }

  .sidebar-link i {
    width: 18px;
    text-align: center;
    color: rgba(200, 160, 98, .65);
    transition: color .2s ease;
  }

  .sidebar-link:hover {
    color: #F5F1E7;
    background: rgba(245, 241, 231, .05);
  }

  .sidebar-link.active {
    color: #F5F1E7;
    background: rgba(200, 160, 98, .14);
  }

  .sidebar-link.active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--gold);
    border-radius: 0 2px 2px 0;
  }

  .sidebar-link.active i {
    color: var(--gold);
  }

  .nav-caption {
    padding: 0 16px;
    margin: 18px 0 8px;
    color: rgba(245, 241, 231, .32);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .16em;
    text-transform: uppercase;
  }

  .mobile-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 65;
    height: 64px;
    background: rgba(14, 20, 17, .95);
    border-bottom: 1px solid rgba(200, 160, 98, .18);
    backdrop-filter: blur(8px);
  }

  .mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(300px, 84vw);
    z-index: 90;
    background: var(--deep);
    transform: translateX(-102%);
    transition: transform .25s ease;
    overflow-y: auto;
    box-shadow: 20px 0 40px rgba(0, 0, 0, .3);
  }

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

  .drawer-overlay {
    position: fixed;
    inset: 0;
    z-index: 85;
    background: rgba(0, 0, 0, .55);
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease, visibility .25s ease;
  }

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

  .site-content {
    min-width: 0;
    min-height: 100vh;
    padding-top: 64px;
  }

  @media (min-width: 1024px) {
    .site-content {
      padding-top: 0;
    }
  }

  .feature-card {
    position: relative;
    height: 100%;
    padding: 34px 30px;
    background: linear-gradient(145deg, #FDFAF4, #F0E9DA);
    border: 1px solid rgba(200, 160, 98, .28);
    border-radius: 10px;
    transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  }

  .feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(200, 160, 98, .62);
    box-shadow: 0 18px 38px rgba(14, 20, 17, .1);
  }

  .feature-card-dark {
    background: linear-gradient(145deg, #24423C, #17312C);
    border-color: rgba(200, 160, 98, .32);
    color: #F5F1E7;
  }

  .feature-card-dark:hover {
    border-color: rgba(200, 160, 98, .65);
    box-shadow: 0 18px 38px rgba(14, 20, 17, .22);
  }

  .feature-card-dark .section-underline-line {
    background: var(--gold);
  }

  .icon-square {
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(200, 160, 98, .16);
    color: var(--gold-deep);
    border-radius: 8px;
    font-size: 20px;
    margin-bottom: 18px;
  }

  .feature-card-dark .icon-square {
    background: rgba(200, 160, 98, .2);
    color: var(--gold-light);
  }

  .enter-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--gold-deep);
    font-size: 14px;
    font-weight: 700;
    margin-top: 16px;
    transition: gap .2s ease, color .2s ease;
  }

  .enter-link:hover {
    gap: 11px;
    color: var(--gold);
  }

  .feature-card-dark .enter-link {
    color: var(--gold-light);
  }

  .data-number {
    font-size: clamp(42px, 5vw, 68px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: #F5F1E7;
  }

  .data-unit {
    font-size: .55em;
    color: var(--gold);
    margin-left: 4px;
    letter-spacing: 0;
  }

  .data-cell {
    position: relative;
    padding: 24px 20px;
  }

  .data-cell + .data-cell::before {
    content: "";
    position: absolute;
    left: -14px;
    top: 20%;
    height: 60%;
    width: 1px;
    background: rgba(200, 160, 98, .22);
  }

  @media (max-width: 768px) {
    .data-cell + .data-cell::before {
      display: none;
    }

    .data-cell {
      border-top: 1px solid rgba(200, 160, 98, .18);
    }

    .data-cell:nth-child(-n+2) {
      border-top: 0;
    }
  }

  .cover-card {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    min-height: 320px;
    background: var(--night);
    box-shadow: var(--shadow-sm);
  }

  .cover-card img {
    transition: transform .6s ease;
  }

  .cover-card:hover img {
    transform: scale(1.05);
  }

  .cover-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(14, 20, 17, .94) 0%, rgba(14, 20, 17, .28) 45%, transparent 100%);
  }

  .cover-card .badge-top {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 3;
    background: rgba(14, 20, 17, .76);
    color: var(--gold-light);
    border: 1px solid rgba(200, 160, 98, .35);
    font-size: 12px;
    line-height: 1;
    padding: 7px 11px;
    border-radius: 2px;
    letter-spacing: .04em;
  }

  .process-step {
    position: relative;
    height: 100%;
    background: #fff;
    border: 1px solid rgba(200, 160, 98, .2);
    border-radius: 10px;
    padding: 28px 24px;
    transition: border-color .25s ease, box-shadow .25s ease;
  }

  .process-step:hover {
    border-color: rgba(200, 160, 98, .6);
    box-shadow: 0 12px 30px rgba(14, 20, 17, .07);
  }

  .step-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #0E1411;
    color: var(--gold);
    font-weight: 800;
    font-size: 15px;
    margin-bottom: 18px;
  }

  @media (min-width: 1024px) {
    .process-step + .process-step::before {
      content: "\2192";
      position: absolute;
      left: -38px;
      top: 48px;
      color: var(--gold);
      font-size: 26px;
      font-weight: 300;
      z-index: 2;
    }
  }

  .faq-item {
    background: #fff;
    border: 1px solid rgba(200, 160, 98, .18);
    border-radius: 8px;
    transition: border-color .25s ease, box-shadow .25s ease;
  }

  .faq-item.open {
    border-color: rgba(200, 160, 98, .5);
    box-shadow: 0 8px 24px rgba(14, 20, 17, .05);
  }

  .faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 14px;
    justify-content: space-between;
    background: transparent;
    border: 0;
    text-align: left;
    padding: 19px 22px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    color: #222622;
    font-family: inherit;
  }

  .faq-question .faq-qnum {
    color: var(--gold-deep);
    font-weight: 800;
    flex: none;
  }

  .faq-icon {
    color: var(--gold-deep);
    transition: transform .3s ease;
    flex: none;
  }

  .faq-item.open .faq-icon {
    transform: rotate(180deg);
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
  }

  .faq-item.open .faq-answer {
    max-height: 800px;
  }

  .faq-answer-inner {
    padding: 0 22px 20px;
    border-left: 2px solid rgba(200, 160, 98, .3);
    margin-left: 22px;
    padding-left: 18px;
    color: #5B645E;
    font-size: 15px;
  }

  .news-card {
    display: block;
    background: #fff;
    border: 1px solid rgba(200, 160, 98, .16);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
  }

  .news-card:hover {
    border-color: rgba(200, 160, 98, .55);
    box-shadow: 0 18px 34px rgba(14, 20, 17, .08);
    transform: translateY(-2px);
  }

  .news-card-inner {
    display: flex;
    flex-direction: column;
  }

  @media (min-width: 760px) {
    .news-card-inner {
      flex-direction: row;
    }
  }

  .news-thumb {
    position: relative;
    overflow: hidden;
    flex: none;
  }

  .news-thumb img {
    width: 100%;
    height: 200px;
    object-fit: cover;
  }

  @media (min-width: 760px) {
    .news-thumb {
      width: 230px;
    }

    .news-thumb img {
      height: 100%;
      min-height: 180px;
    }
  }

  .news-content {
    flex: 1;
    padding: 22px 24px;
  }

  .news-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 12px;
    color: #8B938E;
    margin-bottom: 10px;
  }

  .news-cat {
    color: var(--gold-deep);
    font-weight: 700;
    background: rgba(200, 160, 98, .12);
    padding: 4px 10px;
    border-radius: 2px;
    letter-spacing: .03em;
  }

  .news-content h3 {
    font-size: 19px;
    line-height: 1.4;
    margin: 0 0 10px;
  }

  .news-content h3 a:hover {
    color: var(--gold-deep);
  }

  .news-content p {
    color: #5B645E;
    font-size: 14px;
    line-height: 1.75;
    margin: 0 0 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .news-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--gold-deep);
    font-size: 13px;
    font-weight: 700;
    transition: gap .2s ease;
  }

  .news-link:hover {
    gap: 11px;
  }

  .cms-empty {
    width: 100%;
    padding: 64px 16px;
    text-align: center;
    background: #fff;
    border: 1px dashed rgba(200, 160, 98, .5);
    border-radius: 10px;
    color: #7B827D;
    font-size: 15px;
  }

  .cms-empty i {
    font-size: 34px;
    color: var(--gold);
    margin-bottom: 12px;
  }

  .footer-link {
    color: rgba(245, 241, 231, .55);
    font-size: 14px;
    line-height: 2;
    transition: color .2s ease, padding-left .2s ease;
  }

  .footer-link:hover {
    color: var(--gold-light);
    padding-left: 4px;
  }

  .footer-bottom {
    border-top: 1px solid rgba(200, 160, 98, .14);
    color: rgba(245, 241, 231, .35);
    font-size: 13px;
  }

  .focus-visible-outline:focus-visible {
    outline: 2px solid rgba(200, 160, 98, .85);
    outline-offset: 3px;
    border-radius: 4px;
  }

  @media (max-width: 520px) {
    .data-number {
      font-size: 38px;
    }

    .cover-card {
      min-height: 240px;
    }

    .feature-card {
      padding: 24px 20px;
    }

    .section-overline {
      font-size: 12px;
    }
  }

/* roulang page: category1 */
:root {
            --brand-gold: #C8A062;
            --brand-gold-light: #E5CD9F;
            --brand-dark: #0E1411;
            --brand-deep: #111917;
            --brand-pine: #24423C;
            --brand-paper: #F5F1E7;
            --text-primary: #1C2520;
            --text-body: #3E4A44;
            --text-weaker: #7A857F;
            --border-light: rgba(200, 160, 98, .22);
            --shadow-card: 0 6px 24px rgba(14, 20, 17, .08);
            --radius-md: 6px;
            --radius-lg: 12px;
            --ease: .2s cubic-bezier(.22, .58, .34, .91);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'HarmonyOS Sans', 'MiSans', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--brand-paper);
            color: var(--text-body);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        .container-site {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 2rem;
            padding-right: 2rem;
        }
        .page-shell {
            min-height: 100vh;
            background: var(--brand-paper);
        }
        .sidebar {
            background: linear-gradient(180deg, #101714 0%, var(--brand-dark) 100%);
            width: 260px;
            position: fixed;
            top: 0;
            bottom: 0;
            left: 0;
            z-index: 60;
            border-right: 1px solid rgba(200, 160, 98, .25);
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }
        .sidebar-inner {
            padding: 26px 18px;
            flex: 1;
        }
        .sidebar-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 16px;
            border-radius: 6px;
            color: rgba(255, 255, 255, .72);
            font-size: 15px;
            font-weight: 500;
            transition: all .2s ease;
            position: relative;
            text-decoration: none;
        }
        .sidebar-link i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: rgba(255, 255, 255, .45);
            transition: color .2s;
        }
        .sidebar-link:hover {
            background: rgba(200, 160, 98, .10);
            color: #F5F1E7;
            text-decoration: none;
        }
        .sidebar-link:hover i {
            color: var(--brand-gold);
        }
        .sidebar-link.active {
            background: rgba(200, 160, 98, .16);
            color: #E5CD9F;
            font-weight: 600;
        }
        .sidebar-link.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 22%;
            bottom: 22%;
            width: 3px;
            background: var(--brand-gold);
            border-radius: 4px;
        }
        .sidebar-link.active i {
            color: var(--brand-gold);
        }
        .content-wrapper {
            margin-left: 260px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .topbar-mobile {
            display: none;
        }
        .hero-banner-static {
            background: linear-gradient(100deg, rgba(14, 20, 17, .96) 0%, rgba(17, 25, 23, .88) 55%, rgba(36, 66, 60, .80) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            min-height: 360px;
            display: flex;
            align-items: center;
            position: relative;
            padding: 80px 0 64px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-gold);
            color: #0E1411;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 3px 12px 3px 3px;
            border: 1px solid var(--brand-gold);
            transition: all var(--ease);
            text-decoration: none;
            letter-spacing: .05em;
            box-shadow: 0 4px 0 rgba(14, 20, 17, .18);
        }
        .btn-primary:hover {
            background: var(--brand-gold-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(200, 160, 98, .25);
            color: #0E1411;
            text-decoration: none;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 0 rgba(14, 20, 17, .18);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: #E5CD9F;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 3px 12px 3px 3px;
            border: 1px solid rgba(200, 160, 98, .6);
            transition: all var(--ease);
            text-decoration: none;
            letter-spacing: .04em;
        }
        .btn-ghost:hover {
            background: rgba(200, 160, 98, .14);
            transform: translateY(-2px);
            color: #F5F1E7;
            border-color: var(--brand-gold);
            text-decoration: none;
        }
        .btn-ghost:active {
            transform: translateY(0);
        }
        .gold-rule {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(200, 160, 98, .6), transparent);
        }
        .card-elegant {
            background: #fff;
            border: 1px solid rgba(14, 20, 17, .06);
            border-radius: 10px;
            box-shadow: 0 4px 16px rgba(14, 20, 17, .4);
            transition: all .3s ease;
        }
        .card-elegant:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 30px rgba(14, 20, 17, .10);
            border-color: rgba(200, 160, 98, .3);
        }
        .tag-chip {
            display: inline-block;
            font-size: 12px;
            padding: 3px 12px;
            border-radius: 30px;
            border: 1px solid rgba(200, 160, 98, .34);
            color: #8A6A34;
            background: rgba(200, 160, 98, .06);
            font-weight: 500;
            letter-spacing: .04em;
        }
        .footer-link {
            color: rgba(255, 255, 255, .45);
            font-size: 14px;
            display: inline-block;
            padding: 4px 0;
            transition: all .2s;
            text-decoration: none;
        }
        .footer-link:hover {
            color: var(--brand-gold);
            text-decoration: none;
            transform: translateX(4px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
        }
        .faq-item {
            background: #fff;
            border-radius: 10px;
            border: 1px solid rgba(14, 20, 17, .06);
            box-shadow: 0 2px 8px rgba(14, 20, 17, .04);
            transition: all .25s ease;
        }
        .faq-item summary {
            list-style: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 26px;
            font-weight: 600;
            color: #1C2520;
            font-size: 16px;
            transition: color .2s;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .icon-q {
            width: 32px;
            height: 32px;
            min-width: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(200, 160, 98, .14);
            color: #8A6A34;
            font-weight: 800;
            font-size: 15px;
            border: 1px solid rgba(200, 160, 98, .28);
        }
        .faq-item[open] summary {
            color: #0E1411;
        }
        .faq-item .faq-answer {
            padding: 0 26px 22px 72px;
            color: var(--text-body);
            font-size: 15px;
            line-height: 1.85;
            border-top: 1px solid rgba(14, 20, 17, .05);
            margin-left: 72px;
            margin-right: 26px;
            padding-left: 0;
            padding-top: 18px;
        }
        .faq-item .arrow-icon {
            margin-left: auto;
            font-size: 13px;
            color: #C8A062;
            transform: rotate(0deg);
            transition: all .25s ease;
        }
        .faq-item[open] .arrow-icon {
            transform: rotate(180deg);
        }
        @media (max-width: 1023px) {
            .sidebar {
                display: none;
            }
            .content-wrapper {
                margin-left: 0;
            }
            .topbar-mobile {
                display: flex;
                height: 64px;
                background: #0E1411;
                position: sticky;
                top: 0;
                z-index: 55;
                border-bottom: 1px solid rgba(200, 160, 98, .2);
            }
            .hero-banner-static {
                min-height: 320px;
                padding-top: 50px;
            }
        }
        @media (max-width: 767px) {
            .container-site {
                padding-left: 1.25rem;
                padding-right: 1.25rem;
            }
            .hero-banner-static {
                min-height: 280px;
                padding: 42px 0;
            }
        }
        .stat-box {
            border-left: 1px solid rgba(200, 160, 98, .32);
            padding-left: 22px;
        }
        .step-line {
            position: relative;
        }
        .step-line:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 28px;
            right: -16px;
            width: 32px;
            height: 1px;
            background: rgba(200, 160, 98, .4);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .16em;
            text-transform: uppercase;
            color: #A8844A;
            background: rgba(200, 160, 98, .10);
            border: 1px solid rgba(200, 160, 98, .22);
            padding: 4px 16px;
            border-radius: 30px;
        }
        .section-title {
            font-size: calc(26px + .8vw);
            line-height: 1.28;
            font-weight: 800;
            color: #15201B;
            letter-spacing: -0.01em;
            margin-top: 14px;
        }
        .section-sub {
            font-size: 16px;
            color: var(--text-weaker);
            max-width: 640px;
            line-height: 1.8;
        }
        .activity-card {
            position: relative;
            border-radius: 10px;
            overflow: hidden;
            border: 1px solid rgba(14, 20, 17, .06);
            background: #ffffff;
            box-shadow: 0 4px 18px rgba(14, 20, 17, .05);
            transition: all .3s ease;
        }
        .activity-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 40px rgba(14, 20, 17, .12);
            border-color: rgba(200, 160, 98, .34);
        }
        .activity-card img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            display: block;
            transition: transform .5s ease;
        }
        .activity-card:hover img {
            transform: scale(1.03);
        }
        .activity-card .img-mask {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(14, 20, 17, .72) 100%);
            opacity: .78;
            transition: opacity .3s;
        }
        .activity-card:hover .img-mask {
            opacity: 1;
        }
        .mobile-drawer {
            display: none;
        }
        .mobile-drawer.open {
            display: block;
        }

/* roulang page: article */
:root {
  --gold: #C8A062;
  --gold-dark: #A57F49;
  --gold-light: #E5CD9F;
  --ink: #0E1411;
  --ink-soft: #111917;
  --jade: #24423C;
  --paper: #F5F1E7;
  --muted: #6B6A63;
  --danger: #A9443E;
  --radius-sm: 4px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 6px 16px rgba(14, 20, 17, 0.05);
  --shadow-md: 0 18px 44px rgba(14, 20, 17, 0.09);
  --shadow-dark: 0 24px 70px rgba(0, 0, 0, 0.25);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: #2b2a26;
  font-family: "HarmonyOS Sans", "MiSans", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; }
ul, ol, p, h1, h2, h3, h4, figure { margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: "Noto Serif SC", "Songti SC", "Microsoft YaHei", serif; }
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}
.container-site {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 2.6vw, 2.5rem);
}
.main-shell { margin-left: 0; }
@media (min-width: 1024px) {
  .main-shell { margin-left: 260px; }
}

/* ===== Sidebar / Nav ===== */
.app-sidebar {
  border-right: 1px solid rgba(200, 160, 98, 0.2);
  background: linear-gradient(180deg, #0E1411 0%, #0B100D 100%);
}
.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--gold);
  color: #0E1411;
  font-size: 20px;
  font-weight: 800;
  font-family: "Noto Serif SC", serif;
  box-shadow: 0 0 0 1px rgba(200, 160, 98, 0.3), 0 8px 20px rgba(0,0,0,0.18);
}
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  border-radius: 7px;
  padding: 10px 13px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  transition: background .2s ease, color .2s ease, box-shadow .2s ease, transform .2s ease;
  position: relative;
}
.sidebar-link i {
  width: 20px;
  text-align: center;
  font-size: 15px;
  color: rgba(200, 160, 98, 0.78);
  transition: color .2s ease;
}
.sidebar-link:hover { color: #fff; background: rgba(200, 160, 98, 0.09); transform: translateX(2px); }
.sidebar-link:hover i { color: var(--gold-light); }
.sidebar-link.active {
  color: #fff;
  background: rgba(200, 160, 98, 0.17);
  box-shadow: inset 3px 0 0 var(--gold);
}
.sidebar-link.active i { color: var(--gold); }
.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.48);
  transition: color .2s ease, transform .2s ease;
}
.footer-link:hover {
  color: var(--gold-light);
  transform: translateX(3px);
}

/* ===== Buttons ===== */
.btn-gold,
.btn-outline-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 15px;
  padding: 13px 22px;
  line-height: 1;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  border: 1px solid transparent;
}
.btn-gold {
  background: linear-gradient(135deg, #D6B47C 0%, #B98E56 100%);
  color: #0B0B08;
  box-shadow: 0 8px 22px rgba(200, 160, 98, 0.2);
}
.btn-gold:hover {
  background: linear-gradient(135deg, #E3C797 0%, #C8A062 100%);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(200, 160, 98, 0.32);
}
.btn-gold:active { transform: translateY(0); box-shadow: 0 4px 14px rgba(200,160,98,.3); }
.btn-outline-gold {
  background: transparent;
  border-color: rgba(200, 160, 98, 0.55);
  color: #E5CD9F;
}
.btn-outline-gold:hover {
  background: rgba(200, 160, 98, 0.1);
  border-color: var(--gold);
  box-shadow: 0 0 0 1px rgba(200, 160, 98, .18), 0 10px 28px rgba(0, 0, 0, .1);
  transform: translateY(-2px);
}
.btn-outline-gold:active { transform: translateY(0); }

/* ===== Article page ===== */
.article-page-shell {
  background: #F5F1E7;
  position: relative;
}
.article-breadcrumb a {
  color: rgba(255,255,255,.56);
  transition: color .2s ease;
}
.article-breadcrumb a:hover { color: var(--gold-light); }
.article-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: linear-gradient(130deg, #0E1411 0%, #111917 50%, #24423C 130%);
  box-shadow: 0 10px 0 rgba(0,0,0,0), var(--shadow-md);
}
.article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(90deg, rgba(14,20,17,.96) 0%, rgba(14,20,17,.68) 55%, rgba(36,66,60,.35) 100%), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
}
.article-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid rgba(200,160,98,.4);
  background: rgba(200,160,98,.1);
  border-radius: 999px;
  color: var(--gold-light);
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 600;
}
.article-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: rgba(255,255,255,.52);
  font-size: 13px;
  letter-spacing: .02em;
}
.article-body-paper {
  background: rgba(255,255,255,0.82);
  border: 1px solid rgba(14, 20, 17, 0.08);
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: none;
}

/* Article rich content */
.article-content {
  color: #2e2c28;
  font-size: 16px;
  line-height: 1.9;
  overflow-wrap: break-word;
}
.article-content > * + * { margin-top: 1.12em; }
.article-content p { margin: 0; white-space: normal; }
.article-content h2,
.article-content h3,
.article-content h4 { color: #141a17; line-height: 1.45; letter-spacing: .01em; font-family: "Noto Serif SC", "Songti SC", "Microsoft YaHei", serif; }
.article-content h2 { font-size: clamp(24px, 2.6vw, 30px); margin: 2em 0 .8em; border-left: 4px solid var(--gold); padding-left: 14px; }
.article-content h3 { font-size: clamp(19px, 2vw, 23px); margin: 1.8em 0 .6em; color: #1b211d; }
.article-content h4 { font-size: 17px; margin: 1.6em 0 .4em; font-weight: 700; color: #39403a; }
.article-content ul, .article-content ol { margin-left: 1.3em; padding-left: .4em; }
.article-content ul li, .article-content ol li { padding-left: .2em; margin: .45em 0; }
.article-content ul li::marker { color: var(--gold-dark); }
.article-content ol li::marker { color: var(--gold-dark); font-weight: 600; }
.article-content blockquote {
  border-left: 3px solid var(--gold);
  background: rgba(200,160,98,.08);
  padding: 14px 18px;
  border-radius: 0 8px 8px 0;
  color: #5c584f;
  margin: 1.4em 0;
}
.article-content img {
  border-radius: 8px;
  border: 1px solid #e4dccb;
  margin: 2rem 0;
  width: auto;
}
.article-content a { color: #9c6b1f; text-decoration: underline; text-underline-offset: 4px; }
.article-content a:hover { color: #C8A062; }
.article-content table { width: 100%; border-collapse: collapse; border-radius: 8px; overflow: hidden; font-size: 15px; margin: 1.5rem 0; }
.article-content th, .article-content td { border: 1px solid #e3ddcf; padding: 12px 14px; text-align: left; }
.article-content th { background: #ede6d6; color: #222; }
.article-content hr { border: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(200,160,98,.55), transparent); margin: 2.2em 0; }

/* Sub category cards */
.article-nav-card {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 9px;
  background: #fff;
  border: 1px solid rgba(14,20,17,.09);
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  height: 100%;
}
.article-nav-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 36px rgba(14,20,17,.11);
  border-color: rgba(200,160,98,.5);
}
.article-nav-card:active { transform: translateY(-1px); }
.article-nav-card .cover {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #E9E3D6;
  position: relative;
}
.article-nav-card .cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.article-nav-card:hover .cover img { transform: scale(1.05); }
.article-nav-card .content { padding: 16px 16px 14px; }

/* CTA section */
.article-cta {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: linear-gradient(120deg, #111917 0%, #1D332D 60%, #24423C 100%);
  border-radius: 12px;
  box-shadow: 0 18px 60px rgba(17,25,23,.13);
}
.article-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center 28%;
  opacity: .18;
}
.article-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(110deg, rgba(17,25,23,.92), rgba(36,66,60,.45));
}
.empty-state-icon {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(200,160,98,.12);
  color: var(--gold-dark);
  font-size: 30px;
  margin: 0 auto 20px;
}

/* Footer */
footer { background: #0E1411; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.07); }
@media (max-width: 639px) {
  .footer-bottom { text-align: center; }
}

/* roulang page: category2 */
:root {
            --gold: #C8A062;
            --golddeep: #A98445;
            --goldsoft: #E5CD9F;
            --ink: #0E1411;
            --pine: #111917;
            --greenpine: #24423C;
            --paper: #F5F1E7;
            --text-main: #223028;
            --text-soft: #6b746d;
            --border-soft: rgba(200, 160, 98, .18);
            --radius-sm: 4px;
            --radius-md: 8px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'HarmonyOS Sans', 'MiSans', 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
            background: var(--paper);
            color: var(--text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        .container-site {
            max-width: 1280px;
            margin-inline: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .sidebar-link {
            display: flex;
            align-items: center;
            gap: .75rem;
            width: 100%;
            border-radius: 6px;
            padding: .7rem 1rem;
            font-size: 14.5px;
            line-height: 1.2;
            color: rgba(255, 255, 255, .58);
            position: relative;
            transition: color .2s, background-color .2s;
            text-decoration: none;
        }

        .sidebar-link i {
            width: 18px;
            text-align: center;
            font-size: 13px;
            opacity: .65;
            transition: opacity .2s;
        }

        .sidebar-link:hover {
            background: rgba(200, 160, 98, .08);
            color: #EDD9B0;
        }

        .sidebar-link:hover i {
            opacity: 1;
        }

        .sidebar-link:focus-visible,
        .btn:focus-visible,
        .footer-link:focus-visible,
        .faq-q:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .sidebar-link.active {
            background: rgba(200, 160, 98, .13);
            color: #EDD6A7;
            font-weight: 600;
        }

        .sidebar-link.active i {
            opacity: 1;
            color: var(--gold);
        }

        .sidebar-link.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 18%;
            height: 64%;
            width: 3px;
            background: var(--gold);
            border-radius: 0 3px 3px 0;
        }

        .mobile-menu-link {
            display: flex;
            align-items: center;
            gap: 10px;
            width: 100%;
            border-radius: 6px;
            padding: .85rem 1rem;
            color: rgba(255, 255, 255, .68);
            font-size: 15px;
            transition: .2s;
        }

        .mobile-menu-link:hover,
        .mobile-menu-link:focus-visible {
            background: rgba(200, 160, 98, .1);
            color: #EAD1A2;
            outline: none;
        }

        .mobile-menu-link.active {
            background: rgba(200, 160, 98, .13);
            color: #E5CD9F;
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .55rem;
            background: var(--gold);
            color: #17211A;
            border-radius: 5px;
            border: 1px solid var(--gold);
            padding: .8rem 1.6rem;
            font-size: 15px;
            font-weight: 700;
            line-height: 1.1;
            transition: all .2s ease;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-gold:hover {
            background: #DAB879;
            border-color: #DAB879;
            transform: translateY(-1px);
            box-shadow: 0 10px 24px rgba(200, 160, 98, .28);
            color: var(--ink);
        }

        .btn-gold:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .55rem;
            background: transparent;
            color: #F5E7CC;
            border: 1px solid rgba(200, 160, 98, .55);
            border-radius: 5px;
            padding: .8rem 1.6rem;
            font-size: 15px;
            font-weight: 600;
            transition: all .2s ease;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-ghost:hover {
            background: rgba(200, 160, 98, .12);
            color: #FFF4DD;
            border-color: var(--gold);
            transform: translateY(-1px);
        }

        .btn-ghost:active {
            transform: translateY(0);
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: .55rem;
            font-size: 12px;
            letter-spacing: .18em;
            text-transform: uppercase;
            color: #956F2C;
            font-weight: 700;
        }

        .eyebrow::before {
            content: "";
            width: 22px;
            height: 1px;
            background: var(--gold);
        }

        .eyebrow-light {
            color: var(--gold);
        }

        .eyebrow-light::before {
            background: var(--gold);
        }

        .card {
            background: #FFFCF5;
            border: 1px solid rgba(200, 160, 98, .2);
            border-radius: 6px;
            box-shadow: 0 6px 16px rgba(21, 26, 22, .04);
            transition: transform .25s, box-shadow .25s, border-color .25s;
        }

        .card:hover {
            transform: translateY(-4px);
            border-color: rgba(200, 160, 98, .38);
            box-shadow: 0 14px 26px rgba(21, 26, 22, .07);
        }

        .gold-separator {
            height: 2px;
            width: 42px;
            background: var(--gold);
            border-radius: 2px;
        }

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

        .card:hover .card-arrow {
            transform: translateX(5px);
        }

        .footer-link {
            color: rgba(255, 255, 255, .46);
            transition: color .2s;
            text-decoration: none;
        }

        .footer-link:hover {
            color: #DDC08A;
        }

        .faq-item {
            background: #FDFAF2;
            border: 1px solid rgba(200, 160, 98, .18);
            border-radius: 6px;
            transition: border-color .2s;
        }

        .faq-item.open {
            border-color: rgba(200, 160, 98, .4);
        }

        .faq-q {
            display: flex;
            align-items: center;
            gap: 14px;
            width: 100%;
            padding: 18px 20px;
            text-align: left;
            cursor: pointer;
            color: #263028;
            font-size: 15.5px;
            font-weight: 700;
            background: transparent;
            border: none;
        }

        .faq-q .faq-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: rgba(200, 160, 98, .12);
            color: #956F2C;
            border-radius: 5px;
            font-size: 13px;
            flex-shrink: 0;
            transition: transform .25s, color .2s;
        }

        .faq-q .fa-plus {
            margin-left: auto;
            transition: transform .25s;
            color: #C8A062;
            font-size: 13px;
        }

        .faq-item.open .faq-q .fa-plus {
            transform: rotate(45deg);
        }

        .faq-item.open .faq-q .faq-mark {
            background: var(--gold);
            color: var(--ink);
        }

        .faq-a {
            display: none;
            margin: 0 22px 20px 62px;
            border-left: 2px solid var(--gold);
            padding-left: 18px;
            color: #5D665F;
            font-size: 14.5px;
            line-height: 1.8;
        }

        .faq-item.open .faq-a {
            display: block;
            animation: fadeIn .25s ease;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-4px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .banner-line {
            background: linear-gradient(90deg, rgba(200, 160, 98, 0), rgba(200, 160, 98, .8), rgba(200, 160, 98, 0));
            height: 1px;
        }

        .text-balance {
            text-wrap: balance;
        }

        .step-card {
            background: #FFFCF5;
            border: 1px solid rgba(200, 160, 98, .18);
            border-radius: 6px;
            padding: 28px 24px;
            position: relative;
            transition: transform .2s, box-shadow .2s;
        }

        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 24px rgba(21, 26, 22, .07);
        }

        .step-num {
            width: 30px;
            height: 30px;
            background: var(--ink);
            color: var(--gold);
            border-radius: 4px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 14px;
            letter-spacing: .02em;
        }

        .arrow-desktop {
            position: absolute;
            right: -22px;
            top: 52px;
            color: #C8A062;
            opacity: .7;
            font-size: 16px;
            z-index: 2;
            display: none;
        }

/* roulang page: category3 */
:root {
    --ink: #0E1411;
    --pine: #111917;
    --moss: #24423C;
    --gold: #C8A062;
    --gold-soft: #E5CD9F;
    --paper: #F5F1E7;
    --sand: #F7F4EC;
    --main-text: #2A2823;
    --dim-text: #6D6860;
    --line: rgba(200, 160, 98, .35);
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "HarmonyOS Sans", "MiSans", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
    background-color: var(--sand);
    color: var(--main-text);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

  a, button, summary {
    outline: none;
  }

  a:focus-visible,
  button:focus-visible,
  summary:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 3px;
  }

  .container-site {
    width: min(100% - 40px, 1160px);
    margin-inline: auto;
  }

  @media (min-width: 1024px) {
    .container-site {
      width: min(100% - 80px, 1160px);
    }
  }

  .section-space {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  @media (min-width: 768px) {
    .section-space {
      padding-top: 96px;
      padding-bottom: 96px;
    }
  }

  .font-serif-cn {
    font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
  }

  /* 桌面左侧导航 */
  .sidebar-link {
    display: flex;
    align-items: center;
    gap: .7rem;
    padding: 10px 16px;
    color: rgba(255, 255, 255, .66);
    font-size: 14px;
    border-left: 2px solid transparent;
    border-radius: 4px 10px 10px 4px;
    transition: color .2s ease, background .2s ease, border-color .2s ease;
  }

  .sidebar-link i {
    width: 18px;
    text-align: center;
    font-size: 14px;
    color: rgba(200, 160, 98, .9);
  }

  .sidebar-link:hover {
    color: #F5E9CF;
    background: rgba(200, 160, 98, .1);
  }

  .sidebar-link.active {
    background: linear-gradient(90deg, rgba(200, 160, 98, .18), rgba(200, 160, 98, .02));
    color: #F5E9CF;
    border-left-color: var(--gold);
  }

  /* 按钮 */
  .btn-gold {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: 12px 22px;
    background: var(--gold);
    color: #0E1411;
    font-size: 14px;
    font-weight: 700;
    border: 1px solid var(--gold);
    border-radius: 4px 14px 4px 4px;
    transition: transform .2s, box-shadow .2s, background .2s;
  }

  .btn-gold:hover {
    background: #D5B377;
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(200, 160, 98, .28);
  }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: 12px 22px;
    border: 1px solid rgba(200, 160, 98, .7);
    color: #EFE4C6;
    font-size: 14px;
    font-weight: 600;
    border-radius: 4px 14px 4px 4px;
    transition: transform .2s, background .2s, box-shadow .2s, color .2s;
  }

  .btn-outline:hover {
    background: rgba(200, 160, 98, .12);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, .24);
    color: #fff;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #9A7440;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
  }

  .eyebrow::before {
    content: "";
    width: 26px;
    height: 1px;
    background: var(--gold);
  }

  /* 区块标题 */
  .h2-title {
    font-size: clamp(26px, 4vw, 36px);
    line-height: 1.2;
    letter-spacing: -0.01em;
    font-weight: 800;
    color: #1C1A14;
  }

  .dark-h2 {
    color: #F5E9CF;
  }

  /* 卡片 */
  .card-base {
    border-radius: 8px;
    border: 1px solid rgba(200, 160, 98, .32);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  }

  .card-base:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(39, 33, 20, .1);
    border-color: rgba(200, 160, 98, .6);
  }

  .foot-link {
    color: rgba(255, 255, 255, .6);
    font-size: 14px;
    transition: color .2s ease, padding-left .2s ease;
  }

  .foot-link:hover {
    color: var(--gold-soft);
    padding-left: 4px;
  }

  /* FAQ */
  .faq-item {
    border-bottom: 1px solid rgba(200, 160, 98, .26);
  }

  .faq-item summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 22px 4px 10px;
    font-size: 16px;
    font-weight: 700;
    color: #26231C;
    transition: color .2s;
  }

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

  .faq-item summary .faq-num {
    color: var(--gold);
    font-size: 12px;
    font-weight: 800;
    min-width: 38px;
  }

  .faq-item .faq-icon {
    transition: transform .3s ease;
    color: var(--gold);
  }

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

  .faq-item .faq-answer {
    padding: 0 52px 22px 52px;
    color: #6A655C;
    font-size: 15px;
    line-height: 1.85;
  }

  /* 步骤 */
  .step-card {
    position: relative;
  }

  .step-card .step-line {
    display: none;
  }

  @media (min-width: 1024px) {
    .step-card:not(:last-child) .step-line {
      display: inline-block;
      position: absolute;
      top: 38px;
      right: -42px;
      width: 54px;
      height: 1px;
      background: linear-gradient(90deg, rgba(200,160,98,.8), rgba(200,160,98,.18));
    }
  }

  /* 页脚 */
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
  }

  /* hero style category */
  .category-hero {
    min-height: 340px;
    background-color: #0C110E;
    position: relative;
  }

  .category-hero::after {
    content: "";
    pointer-events: none;
    position: absolute;
    inset: 0;
    background:
      linear-gradient(180deg, rgba(14, 20, 17, .72) 0%, rgba(14, 20, 17, .82) 100%),
      linear-gradient(90deg, rgba(14, 20, 17, .5), rgba(20, 30, 25, .38) 40%, rgba(10, 15, 12, .6) 100%);
  }

  @supports (background-image: url('/assets/images/backpic/back-1.webp')) {
    .category-hero {
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center 38%;
    }
  }

  /* 移动端抽屉 */
  .drawer-mask {
    transition: opacity .3s;
  }

  .drawer-panel {
    transition: transform .32s cubic-bezier(.22, .8, .28, 1);
  }

  .side-brand-txt {
    font-family: "HarmonyOS Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  }

/* roulang page: category4 */
:root {
      --ink: #0E1411;
      --deep: #111917;
      --court: #24423C;
      --paper: #F5F1E7;
      --gold: #C8A062;
      --goldsoft: #E5CD9F;
      --muted: rgba(245, 241, 231, .5);
      --radius-md: 8px;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "HarmonyOS Sans", "MiSans", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
      background: var(--deep);
      color: #EFEAE0;
      text-rendering: optimizeLegibility;
    }

    .app-sidebar {
      width: 260px;
      background-color: var(--ink);
      border-right: 1px solid rgba(200, 160, 98, .16);
    }

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

    .container-site {
      max-width: 1310px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    @media (min-width: 640px) {
      .container-site {
        padding-left: 32px;
        padding-right: 32px;
      }
    }

    .sidebar-link {
      position: relative;
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 16px;
      border-radius: 6px;
      border-left: 3px solid transparent;
      color: rgba(245, 241, 231, .62);
      font-size: 14px;
      font-weight: 500;
      line-height: 1.4;
      transition: background .2s, color .2s, border-color .2s, transform .2s;
    }

    .sidebar-link:hover {
      background: rgba(245, 241, 231, .05);
      color: #EFEAE0;
      transform: translateX(2px);
    }

    .sidebar-link:focus-visible {
      outline: 2px solid rgba(200, 160, 98, .85);
      outline-offset: 2px;
    }

    .sidebar-link.active {
      background: rgba(200, 160, 98, .12);
      color: var(--goldsoft);
      border-left-color: var(--gold);
    }

    .sidebar-link i {
      width: 18px;
      text-align: center;
      font-size: 15px;
      color: currentColor;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 6px;
      font-weight: 700;
      line-height: 1;
      padding: 13px 22px;
      font-size: 15px;
      transition: all .22s ease;
      cursor: pointer;
      border: 1px solid transparent;
      text-decoration: none;
    }

    .btn-primary {
      background: var(--gold);
      color: var(--ink);
      border-color: var(--gold);
    }

    .btn-primary:hover {
      background: #D9B678;
      border-color: #D9B678;
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(200, 160, 98, .25);
    }

    .btn-ghost {
      background: transparent;
      border-color: rgba(200, 160, 98, .65);
      color: #EFEAE0;
    }

    .btn-ghost:hover {
      background: rgba(200, 160, 98, .1);
      border-color: var(--gold);
      transform: translateY(-2px);
    }

    .btn:focus-visible {
      outline: 3px solid rgba(200, 160, 98, .55);
      outline-offset: 3px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: .22em;
      color: var(--gold);
      text-transform: uppercase;
    }

    .eyebrow::before {
      content: "";
      width: 22px;
      height: 1px;
      background: var(--gold);
      opacity: .7;
    }

    .panel-card {
      position: relative;
      border-radius: 8px;
      background: #fffdf7;
      border: 1px solid rgba(14, 20, 17, .07);
      box-shadow: 0 16px 50px rgba(14, 20, 17, .05);
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s;
    }

    .panel-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 22px 50px rgba(14, 20, 17, .1);
      border-color: rgba(200, 160, 98, .45);
    }

    .footer-link {
      display: inline-block;
      font-size: 14px;
      color: rgba(245, 241, 231, .45);
      line-height: 2.1;
      transition: color .2s, transform .2s;
    }

    .footer-link:hover {
      color: var(--goldsoft);
      transform: translateX(3px);
    }

    .footer-link:focus-visible {
      outline: 2px solid rgba(200, 160, 98, .7);
      outline-offset: 4px;
      border-radius: 4px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(245, 241, 231, .08);
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      font-size: 12px;
      color: var(--gold);
      letter-spacing: .02em;
    }

    .cover-img {
      display: block;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .img-card {
      position: relative;
      overflow: hidden;
      border-radius: 8px;
    }

    .img-card::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      top: 40%;
      background: linear-gradient(to top, rgba(14, 20, 17, .82) 0%, rgba(14, 20, 17, .14) 63%, transparent 100%);
      pointer-events: none;
      transition: opacity .3s;
    }

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

    .img-card .cover-img {
      transition: transform .6s ease;
    }

    .banner-hero {
      position: relative;
      background-image: url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      background-attachment: fixed;
    }

    @media (max-width: 1023.98px) {
      .banner-hero {
        background-attachment: scroll;
      }
    }

    .banner-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at 18% 30%, rgba(200, 160, 98, .12) 0%, transparent 54%),
                  linear-gradient(90deg, rgba(14, 20, 17, .96) 0%, rgba(14, 20, 17, .78) 100%);
    }

    .banner-inner {
      position: relative;
      z-index: 2;
    }

    .crumb {
      font-size: 13px;
      color: rgba(245, 241, 231, .55);
    }

    .crumb a {
      color: rgba(245, 241, 231, .78);
      text-decoration: none;
      transition: color .2s;
    }

    .crumb a:hover {
      color: var(--goldsoft);
    }

    .stat-block {
      position: relative;
    }

    .stat-block + .stat-block::before {
      content: "";
      position: absolute;
      left: 0;
      top: 12px;
      bottom: 12px;
      width: 1px;
      background: linear-gradient(to bottom, transparent, rgba(200, 160, 98, .36), transparent);
    }

    .stat-number {
      background: linear-gradient(180deg, #F4E2C0, #C8A062 120%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .faq-item {
      background: #FFFBF2;
      border: 1px solid rgba(200, 160, 98, .15);
      border-radius: 8px;
      transition: background .22s, border-color .22s, box-shadow .22s;
    }

    .faq-item.open,
    .faq-item:focus-within {
      background: #FFFFFF;
      border-color: rgba(200, 160, 98, .45);
      box-shadow: 0 12px 28px rgba(14, 20, 17, .05);
    }

    .faq-answer {
      display: none;
      padding: 0 20px 20px 66px;
      color: #4D534B;
      font-size: 14px;
      line-height: 1.85;
      border-bottom: 1px solid transparent;
    }

    .faq-item.open .faq-answer {
      display: block;
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      gap: 18px;
      padding: 17px 20px;
      background: transparent;
      border: 0;
      color: #1D241E;
      font-size: 16px;
      font-weight: 700;
      text-align: left;
      cursor: pointer;
      border-radius: 8px;
    }

    .faq-question:focus-visible {
      outline: 2px solid rgba(200, 160, 98, .75);
      outline-offset: 2px;
    }

    .q-no {
      color: var(--gold);
      font-size: 13px;
      letter-spacing: .06em;
      font-weight: 800;
    }

    .faq-indicator {
      margin-left: auto;
      display: flex;
      align-items: center;
      justify-content: center;
      width: 28px;
      height: 28px;
      border-radius: 6px;
      background: rgba(200, 160, 98, .10);
      color: var(--gold);
      flex: none;
      transition: .2s;
    }

    .faq-item.open .faq-indicator {
      background: var(--gold);
      color: var(--ink);
    }

    .faq-item.open .faq-indicator i {
      transform: rotate(45deg);
    }

    .faq-indicator i {
      font-size: 13px;
      transition: transform .22s;
    }

    .step-path {
      position: relative;
    }

    .step-line {
      position: absolute;
      left: 0;
      right: 0;
      top: 35px;
      height: 1px;
      background: repeating-linear-gradient(to right, rgba(200, 160, 98, .35) 0 6px, transparent 6px 12px);
    }

    .category-cta {
      position: relative;
      background-image: url('/assets/images/backpic/back-3.webp');
      background-size: cover;
      background-position: center;
    }

    .category-cta::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(105deg, rgba(17, 25, 23, .96) 20%, rgba(36, 66, 60, .88) 72%, rgba(200, 160, 98, .36) 130%);
    }

    .hover-arrow {
      transition: transform .22s, color .22s;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--gold);
      font-size: 14px;
      font-weight: 700;
      text-decoration: none;
    }

    .hover-arrow:hover {
      color: #B98B46;
    }

    .hover-arrow i {
      transition: transform .2s;
    }

    .hover-arrow:hover i {
      transform: translateX(4px);
    }

    .focus-ring:focus-visible {
      outline: 3px solid rgba(200, 160, 98, .65);
      outline-offset: 4px;
      border-radius: 6px;
    }

    @media (max-width: 1023px) {
      .app-sidebar {
        transform: translateX(-100%);
        transition: transform .32s ease;
      }

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

    @media (min-width: 1024px) {
      .content-shell {
        padding-left: 260px;
      }

      .app-sidebar {
        transform: none !important;
      }
    }