/* roulang page: index */
:root {
      --bg: #f6f1e7;
      --bg-soft: #fcfaf6;
      --surface: #ffffff;
      --surface-2: #f3ece1;
      --line: #ddd3c3;
      --text: #1f1d19;
      --muted: #6f665b;
      --accent: #9a6a21;
      --accent-2: #d7b15a;
      --accent-3: #7f2e20;
      --shadow: 0 16px 40px rgba(40, 27, 12, 0.10);
      --shadow-soft: 0 10px 24px rgba(40, 27, 12, 0.08);
      --radius: 10px;
      --radius-sm: 8px;
      --container: 1200px;
      --gap: 24px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.7;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; }
    button, input, textarea, select { font: inherit; }
    button {
      border: 0;
      background: none;
      color: inherit;
      cursor: pointer;
    }
    :focus-visible {
      outline: 3px solid rgba(154, 106, 33, 0.28);
      outline-offset: 2px;
    }

    .container {
      width: min(calc(100% - 32px), var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(12px);
      background: rgba(246, 241, 231, 0.92);
      border-bottom: 1px solid rgba(221, 211, 195, 0.8);
    }
    .header-inner {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 800;
      letter-spacing: 0;
    }
    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: linear-gradient(145deg, #2a2119, #8f6424 58%, #d7b15a);
      box-shadow: var(--shadow-soft);
      position: relative;
      flex: 0 0 auto;
    }
    .brand-mark::after {
      content: '';
      position: absolute;
      inset: 9px;
      border: 1px solid rgba(255, 255, 255, 0.65);
      border-radius: 7px;
    }
    .brand-name {
      font-size: 15px;
      line-height: 1.2;
      max-width: 380px;
    }
    .brand-name span {
      display: block;
      color: var(--muted);
      font-weight: 600;
      font-size: 12px;
      margin-top: 2px;
    }

    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 10px;
      border: 1px solid var(--line);
      background: var(--surface);
      align-items: center;
      justify-content: center;
    }
    .nav-toggle svg { width: 20px; height: 20px; }
    .nav-panel {
      display: flex;
      align-items: center;
      gap: 24px;
    }
    .nav-list {
      list-style: none;
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 0;
      margin: 0;
    }
    .nav-list a {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      height: 40px;
      padding: 0 14px;
      border-radius: 999px;
      color: var(--muted);
      border: 1px solid transparent;
      transition: all .2s ease;
    }
    .nav-list a:hover,
    .nav-list a:focus-visible,
    .nav-list a.active {
      color: var(--text);
      background: var(--surface);
      border-color: var(--line);
      box-shadow: 0 10px 18px rgba(59, 43, 18, 0.06);
    }
    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 42px;
      padding: 0 18px;
      border-radius: 999px;
      background: linear-gradient(135deg, var(--accent), #b07a28);
      color: #fff;
      box-shadow: var(--shadow-soft);
      transition: transform .2s ease, box-shadow .2s ease;
      white-space: nowrap;
    }
    .nav-cta:hover { transform: translateY(-1px); box-shadow: var(--shadow); }

    .hero {
      position: relative;
      overflow: clip;
      border-bottom: 1px solid rgba(221, 211, 195, 0.8);
      background:
        linear-gradient(90deg, rgba(23, 18, 14, 0.86), rgba(23, 18, 14, 0.40)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      color: #f9f5ee;
    }
    .hero-inner {
      min-height: calc(100vh - 72px);
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 32px;
      align-items: center;
      padding: 34px 0 42px;
    }
    .hero-copy {
      max-width: 620px;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 8px 14px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.10);
      border: 1px solid rgba(255, 255, 255, 0.14);
      color: #f4e9d4;
      font-size: 13px;
      margin-bottom: 18px;
    }
    .hero h1 {
      margin: 0;
      font-size: clamp(38px, 4vw, 62px);
      line-height: 1.08;
      letter-spacing: 0;
      max-width: 11ch;
    }
    .hero p {
      margin: 18px 0 0;
      max-width: 40em;
      color: rgba(249, 245, 238, 0.86);
      font-size: 17px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 0 18px;
      border-radius: 10px;
      transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
      border: 1px solid transparent;
    }
    .btn-primary {
      background: linear-gradient(135deg, #e0bf73, #b7832e);
      color: #2a1c09;
      box-shadow: var(--shadow-soft);
      font-weight: 700;
    }
    .btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
    .btn-secondary {
      border-color: rgba(255, 255, 255, 0.18);
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
    }
    .btn-secondary:hover { transform: translateY(-1px); background: rgba(255, 255, 255, 0.14); }
    .trust-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }
    .trust-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 36px;
      padding: 0 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.10);
      border: 1px solid rgba(255, 255, 255, 0.12);
      color: rgba(249, 245, 238, 0.92);
      font-size: 13px;
      white-space: nowrap;
    }
    .hero-visual {
      align-self: stretch;
      display: grid;
      gap: 16px;
    }
    .visual-card {
      border-radius: 12px;
      overflow: hidden;
      background: rgba(255, 255, 255, 0.10);
      border: 1px solid rgba(255, 255, 255, 0.14);
      box-shadow: 0 20px 44px rgba(0, 0, 0, 0.18);
    }
    .visual-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      aspect-ratio: 4 / 3;
    }
    .visual-panel {
      display: grid;
      gap: 12px;
      padding: 18px;
      background: rgba(255, 250, 243, 0.95);
      color: var(--text);
      border-radius: 12px;
      border: 1px solid rgba(255, 255, 255, 0.55);
      box-shadow: var(--shadow-soft);
    }
    .visual-panel strong {
      font-size: 16px;
      line-height: 1.3;
    }
    .visual-list {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .visual-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: var(--muted);
      font-size: 14px;
    }
    .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      margin-top: 8px;
      flex: 0 0 auto;
    }

    main { display: block; }
    .section {
      padding: 76px 0;
    }
    .section-tight { padding-top: 0; }
    .section-head {
      display: flex;
      justify-content: space-between;
      gap: 24px;
      align-items: end;
      margin-bottom: 26px;
    }
    .section-head h2,
    .section-head h3 {
      margin: 0;
      font-size: 30px;
      line-height: 1.18;
    }
    .section-head p {
      margin: 0;
      color: var(--muted);
      max-width: 52ch;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr 1fr;
      gap: 18px;
    }
    .feature-card,
    .content-card,
    .faq-item,
    .panel,
    .quote-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow-soft);
    }
    .feature-card {
      padding: 22px;
      min-height: 220px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 18px;
    }
    .feature-card.highlight {
      background: linear-gradient(180deg, #fffaf0, #fff);
      border-color: #e5d6bd;
    }
    .feature-card h3 {
      margin: 0;
      font-size: 20px;
      line-height: 1.35;
    }
    .feature-card p {
      margin: 10px 0 0;
      color: var(--muted);
    }
    .feature-foot {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .pill {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 11px;
      border-radius: 999px;
      background: #f6efe5;
      color: #7a5a22;
      font-size: 12px;
      border: 1px solid #eadcc5;
    }

    .split-grid {
      display: grid;
      grid-template-columns: 0.95fr 1.05fr;
      gap: 24px;
      align-items: start;
    }
    .panel {
      overflow: hidden;
    }
    .panel-inner { padding: 24px; }
    .panel-image {
      aspect-ratio: 16 / 10;
      border-bottom: 1px solid var(--line);
      background: #e8dfcf;
    }
    .panel-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .timeline {
      display: grid;
      gap: 14px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .timeline li {
      position: relative;
      padding-left: 18px;
      color: var(--muted);
    }
    .timeline li::before {
      content: '';
      position: absolute;
      left: 0;
      top: 0.62em;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
    }
    .timeline strong { color: var(--text); }

    .stat-strip {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
      margin-top: 22px;
    }
    .stat {
      background: rgba(255, 250, 243, 0.92);
      border: 1px solid rgba(231, 219, 201, 0.9);
      border-radius: 12px;
      padding: 16px;
      box-shadow: 0 12px 24px rgba(53, 36, 12, 0.06);
    }
    .stat b {
      display: block;
      font-size: 28px;
      line-height: 1.1;
      color: #6f4a14;
      margin-bottom: 8px;
    }
    .stat span {
      color: var(--muted);
      font-size: 13px;
    }

    .latest-wrap {
      display: grid;
      gap: 18px;
    }
    .latest-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }
    .content-card {
      overflow: hidden;
      display: flex;
      flex-direction: column;
      min-height: 100%;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .content-card:hover {
      transform: translateY(-2px);
      border-color: #d8c29e;
      box-shadow: var(--shadow);
    }
    .content-card-media {
      aspect-ratio: 16 / 9;
      background: #ecdfcb;
      overflow: hidden;
    }
    .content-card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .content-card-body { padding: 18px; display: grid; gap: 12px; }
    .meta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 12px;
      color: var(--muted);
    }
    .meta-row span {
      display: inline-flex;
      align-items: center;
      min-height: 26px;
      padding: 0 10px;
      border-radius: 999px;
      background: #f7f2e8;
      border: 1px solid #eadcc8;
    }
    .content-card h3 {
      margin: 0;
      font-size: 18px;
      line-height: 1.4;
    }
    .content-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }
    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--accent);
      font-weight: 700;
      margin-top: auto;
      transition: gap .2s ease;
    }
    .content-card:hover .card-link { gap: 11px; }

    .empty-state {
      padding: 26px;
      border-radius: var(--radius);
      background: linear-gradient(180deg, #fff, #fdf8ef);
      border: 1px dashed #ddcaa8;
      color: var(--muted);
    }

    .scene-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 18px;
      align-items: stretch;
    }
    .scene-box {
      padding: 24px;
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow-soft);
    }
    .scene-box h3 { margin: 0 0 12px; font-size: 22px; }
    .scene-box p { margin: 0; color: var(--muted); }
    .scene-list {
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 12px;
    }
    .scene-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--muted);
    }
    .scene-list strong { color: var(--text); }

    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }
    .faq-item {
      padding: 20px 20px 18px;
    }
    .faq-item h3 {
      margin: 0 0 10px;
      font-size: 17px;
      line-height: 1.4;
    }
    .faq-item p { margin: 0; color: var(--muted); }

    .cta-band {
      padding: 28px;
      background: linear-gradient(135deg, #2e2519, #5a4020 52%, #8f6323);
      border-radius: 14px;
      color: #fff;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      align-items: center;
      box-shadow: var(--shadow);
    }
    .cta-band h2 {
      margin: 0;
      font-size: 28px;
      line-height: 1.2;
    }
    .cta-band p {
      margin: 10px 0 0;
      color: rgba(255, 248, 235, 0.84);
      max-width: 60ch;
    }
    .cta-band .btn-secondary { border-color: rgba(255, 255, 255, 0.22); }

    .site-footer {
      background: #201913;
      color: #f2e8d8;
      padding: 42px 0 28px;
      margin-top: 32px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr 0.8fr;
      gap: 24px;
      padding-bottom: 24px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }
    .footer-grid h3 {
      margin: 0 0 12px;
      font-size: 16px;
    }
    .footer-grid p,
    .footer-grid a,
    .footer-grid li {
      color: rgba(242, 232, 216, 0.80);
      font-size: 14px;
    }
    .footer-links {
      display: grid;
      gap: 10px;
      padding: 0;
      margin: 0;
      list-style: none;
    }
    .footer-links a:hover { color: #fff; }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      padding-top: 18px;
      color: rgba(242, 232, 216, 0.68);
      font-size: 13px;
      flex-wrap: wrap;
    }

    .mobile-menu {
      display: none;
      border-top: 1px solid rgba(221, 211, 195, 0.8);
      background: rgba(250, 246, 239, 0.98);
    }
    .mobile-menu.open { display: block; }
    .mobile-menu .container {
      padding: 14px 0 18px;
      display: grid;
      gap: 12px;
    }
    .mobile-menu a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 44px;
      padding: 0 14px;
      border-radius: 10px;
      background: #fff;
      border: 1px solid var(--line);
    }

    @media (max-width: 1024px) {
      .hero-inner,
      .split-grid,
      .scene-grid,
      .footer-grid,
      .cta-band,
      .latest-grid,
      .faq-grid,
      .feature-grid,
      .stat-strip {
        grid-template-columns: 1fr 1fr;
      }
      .feature-card.highlight { grid-column: span 2; }
      .hero h1 { max-width: 100%; }
    }

    @media (max-width: 768px) {
      .nav-toggle { display: inline-flex; }
      .nav-panel { display: none; }
      .hero-inner,
      .split-grid,
      .scene-grid,
      .footer-grid,
      .cta-band,
      .latest-grid,
      .faq-grid,
      .feature-grid,
      .stat-strip {
        grid-template-columns: 1fr;
      }
      .hero-inner {
        min-height: auto;
        padding: 28px 0 36px;
      }
      .hero h1 { font-size: 40px; }
      .section { padding: 58px 0; }
      .section-head {
        flex-direction: column;
        align-items: start;
      }
      .feature-card.highlight { grid-column: auto; }
      .cta-band { padding: 24px; }
      .brand-name { max-width: 240px; }
    }

    @media (max-width: 520px) {
      .container { width: min(calc(100% - 24px), var(--container)); }
      .header-inner { min-height: 64px; }
      .brand-name { font-size: 14px; }
      .brand-name span { font-size: 11px; }
      .hero h1 { font-size: 34px; }
      .hero p { font-size: 15px; }
      .btn, .nav-cta { width: 100%; }
      .hero-actions { display: grid; }
      .trust-row { display: grid; grid-template-columns: 1fr 1fr; }
      .trust-tag { justify-content: center; }
      .content-card-body, .panel-inner, .feature-card, .faq-item, .scene-box { padding: 18px; }
      .cta-band h2 { font-size: 24px; }
      .footer-bottom { flex-direction: column; }
      .meta-row { gap: 6px; }
      .meta-row span { padding: 0 8px; }
    }

/* roulang page: article */
:root {
      --bg:#f6f1e7;
      --bg-soft:#fcfaf6;
      --surface:#fff;
      --surface-2:#f3ece1;
      --line:#ddd3c3;
      --text:#1f1d19;
      --muted:#6f665b;
      --accent:#9a6a21;
      --accent-2:#d7b15a;
      --accent-3:#7f2e20;
      --shadow:0 16px 40px rgba(40,27,12,.10);
      --shadow-soft:0 10px 24px rgba(40,27,12,.08);
      --radius:10px;
      --radius-sm:8px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--bg);
      color:var(--text);
      font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
    }
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{border:0;background:none;color:inherit;cursor:pointer}
    .container{width:min(calc(100% - 32px),var(--container));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(246,241,231,.94);
      backdrop-filter:blur(12px);
      border-bottom:1px solid rgba(221,211,195,.85)
    }
    .header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px}
    .brand{display:inline-flex;align-items:center;gap:12px;min-width:0;font-weight:800}
    .brand-mark{
      width:38px;height:38px;flex:0 0 auto;border-radius:10px;
      background:linear-gradient(145deg,#2a2119,#8f6424 58%,#d7b15a);
      box-shadow:var(--shadow-soft);position:relative
    }
    .brand-mark:after{content:"";position:absolute;inset:9px;border:1px solid rgba(255,255,255,.65);border-radius:7px}
    .brand-name{font-size:15px;line-height:1.2;max-width:380px}
    .brand-name span{display:block;margin-top:2px;color:var(--muted);font-size:12px;font-weight:600}
    .nav-panel{display:flex;align-items:center;gap:24px}
    .nav-list{display:flex;align-items:center;gap:14px;padding:0;margin:0;list-style:none}
    .nav-list a,.mobile-menu a{
      display:inline-flex;align-items:center;height:40px;padding:0 14px;
      border:1px solid transparent;border-radius:999px;color:var(--muted);
      transition:.2s ease
    }
    .nav-list a:hover,.nav-list a:focus-visible,.nav-list a.active,
    .mobile-menu a:hover,.mobile-menu a:focus-visible{color:var(--text);background:var(--surface);border-color:var(--line);box-shadow:0 10px 18px rgba(59,43,18,.06)}
    .nav-cta,.btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:0 18px;border-radius:10px;transition:.2s ease
    }
    .nav-cta{height:42px;border-radius:999px;background:linear-gradient(135deg,var(--accent),#b07a28);color:#fff;box-shadow:var(--shadow-soft)}
    .nav-cta:hover,.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--surface);align-items:center;justify-content:center}
    .nav-toggle svg{width:20px;height:20px}
    .mobile-menu{display:none;border-top:1px solid var(--line);padding:10px 0 14px}
    .mobile-menu .container{display:grid;gap:6px}
    .page-banner{
      position:relative;overflow:hidden;color:#fff;
      background:linear-gradient(90deg,rgba(23,18,14,.88),rgba(23,18,14,.48)),url('/assets/images/backpic/back-2.png') center/cover no-repeat
    }
    .banner-inner{padding:78px 0 72px;max-width:820px}
    .crumbs{display:flex;flex-wrap:wrap;gap:8px;color:#eadfcf;font-size:14px;margin-bottom:22px}
    .crumbs a:hover{color:#fff;text-decoration:underline}
    .banner-label,.article-tag{
      display:inline-flex;align-items:center;padding:6px 12px;border:1px solid rgba(255,255,255,.2);
      border-radius:999px;color:#f5dfad;background:rgba(255,255,255,.08);font-size:13px
    }
    .page-banner h1{margin:18px 0 12px;font-size:clamp(34px,5vw,58px);line-height:1.16;letter-spacing:0}
    .banner-summary{max-width:700px;margin:0;color:rgba(255,255,255,.82);font-size:17px}
    .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:34px;padding:58px 0 78px}
    .article-card{min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-soft);overflow:hidden}
    .article-cover{width:100%;aspect-ratio:2.2/1;object-fit:cover}
    .article-body{padding:42px clamp(22px,5vw,62px) 54px}
    .article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;color:var(--muted);font-size:14px;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:30px}
    .article-body h2{margin:36px 0 14px;font-size:28px;line-height:1.35}
    .article-body h3{margin:28px 0 10px;font-size:21px}
    .article-body p{margin:0 0 20px;color:#39342d}
    .article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 22px;color:#39342d}
    .article-body li{margin:7px 0}
    .article-body blockquote{margin:28px 0;padding:18px 22px;border-left:4px solid var(--accent-2);background:var(--surface-2);color:#50483d}
    .article-body img{width:auto;max-height:520px;margin:28px auto;border-radius:var(--radius-sm)}
    .article-body a{color:var(--accent-3);text-decoration:underline;text-underline-offset:3px}
    .article-empty{padding:58px 20px;text-align:center}
    .article-empty h2{margin:0 0 12px}
    .article-empty p{color:var(--muted)}
    .sidebar{display:grid;align-content:start;gap:18px}
    .side-box{padding:24px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius)}
    .side-box h2{margin:0 0 12px;font-size:20px}
    .side-box p{margin:0;color:var(--muted);font-size:14px}
    .side-links{display:grid;gap:10px;margin-top:16px}
    .side-links a{padding:11px 12px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);font-size:14px;transition:.2s ease}
    .side-links a:hover{border-color:var(--accent);color:var(--accent-3);transform:translateX(3px)}
    .side-image{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-sm);margin-bottom:16px}
    .return-link{display:inline-flex;align-items:center;gap:8px;color:var(--accent-3);font-weight:700}
    .return-link:hover{text-decoration:underline}
    .cta-band{padding:54px 0;background:var(--accent-3);color:#fff}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:26px}
    .cta-inner h2{margin:0 0 8px;font-size:30px;line-height:1.3}
    .cta-inner p{margin:0;color:rgba(255,255,255,.78)}
    .btn-light{background:#fff;color:var(--accent-3);font-weight:700}
    .site-footer{padding:54px 0 0;background:#28221b;color:#eee3d3}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px;padding-bottom:44px}
    .site-footer h3{margin:0 0 14px;font-size:17px;color:#fff}
    .site-footer p{max-width:430px;margin:0;color:#bdb1a1;font-size:14px}
    .footer-links{list-style:none;padding:0;margin:0;display:grid;gap:8px}
    .footer-links a{color:#cdbfae;font-size:14px;transition:.2s ease}
    .footer-links a:hover{color:#e1bb66}
    .footer-bottom{display:flex;justify-content:space-between;gap:16px;padding:18px 0;border-top:1px solid rgba(255,255,255,.12);color:#a99b89;font-size:13px}
    :focus-visible{outline:3px solid rgba(215,177,90,.7);outline-offset:3px}
    @media(max-width:1024px){.article-layout{grid-template-columns:minmax(0,1fr) 260px}.nav-panel{gap:10px}}
    @media(max-width:768px){
      .nav-panel{display:none}.nav-toggle{display:inline-flex}.mobile-menu.open{display:block}
      .article-layout{grid-template-columns:1fr;padding:38px 0 58px}.sidebar{order:2}
      .banner-inner{padding:56px 0 52px}.cta-inner{align-items:flex-start;flex-direction:column}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}
    }
    @media(max-width:520px){
      .container{width:min(calc(100% - 24px),var(--container))}
      .brand-name{font-size:13px;max-width:250px}.brand-name span{font-size:11px}
      .page-banner h1{font-size:34px}.banner-summary{font-size:15px}
      .article-body{padding:28px 18px 38px}.article-body h2{font-size:24px}.article-body h3{font-size:19px}
      .article-cover{aspect-ratio:1.65/1}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}
      .footer-bottom{align-items:flex-start;flex-direction:column}.cta-inner h2{font-size:25px}
    }

/* roulang page: category1 */
:root{
      --bg:#f6f1e7;
      --bg-soft:#fcfaf6;
      --surface:#fff;
      --surface-2:#f3ece1;
      --line:#ddd3c3;
      --text:#1f1d19;
      --muted:#6f665b;
      --accent:#9a6a21;
      --accent-2:#d7b15a;
      --accent-3:#7f2e20;
      --shadow:0 16px 40px rgba(40,27,12,.1);
      --shadow-soft:0 10px 24px rgba(40,27,12,.08);
      --radius:10px;
      --radius-sm:8px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--bg);
      color:var(--text);
      font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      line-height:1.7;
      -webkit-font-smoothing:antialiased;
    }
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{border:0;background:none;color:inherit;cursor:pointer}
    .container{width:min(calc(100% - 32px),var(--container));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:30;
      background:rgba(246,241,231,.94);
      border-bottom:1px solid rgba(221,211,195,.85);
      backdrop-filter:blur(12px)
    }
    .header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .brand{display:inline-flex;align-items:center;gap:12px;min-width:0;font-weight:800}
    .brand-mark{
      width:38px;height:38px;flex:0 0 auto;border-radius:10px;
      background:linear-gradient(145deg,#2a2119,#8f6424 58%,#d7b15a);
      box-shadow:var(--shadow-soft);position:relative
    }
    .brand-mark:after{content:"";position:absolute;inset:9px;border:1px solid rgba(255,255,255,.65);border-radius:7px}
    .brand-name{font-size:15px;line-height:1.2;max-width:390px}
    .brand-name span{display:block;color:var(--muted);font-size:12px;margin-top:3px}
    .nav-panel{display:flex;align-items:center;gap:24px}
    .nav-list{display:flex;align-items:center;gap:12px;list-style:none;padding:0;margin:0}
    .nav-list a,.mobile-menu a{
      display:inline-flex;align-items:center;min-height:40px;padding:0 14px;
      border:1px solid transparent;border-radius:999px;color:var(--muted);
      transition:.2s ease
    }
    .nav-list a:hover,.nav-list a:focus-visible,.nav-list a.active,
    .mobile-menu a:hover,.mobile-menu a:focus-visible{color:var(--text);background:var(--surface);border-color:var(--line);box-shadow:var(--shadow-soft)}
    .nav-cta,.btn-primary{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:0 18px;border-radius:10px;
      background:linear-gradient(135deg,var(--accent),#b07a28);color:#fff;
      box-shadow:var(--shadow-soft);transition:.2s ease
    }
    .nav-cta{border-radius:999px;min-height:42px}
    .nav-cta:hover,.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--surface);align-items:center;justify-content:center}
    .nav-toggle svg{width:20px;height:20px}
    .mobile-menu{display:none;border-top:1px solid var(--line);padding:10px 0 14px}
    .mobile-menu .container{display:grid;gap:6px}
    .mobile-menu a{border-radius:8px}
    .page-hero{
      min-height:430px;color:#fbf5ea;position:relative;overflow:hidden;
      background:linear-gradient(90deg,rgba(26,20,15,.88),rgba(26,20,15,.52)),url('/assets/images/backpic/back-2.png') center/cover no-repeat
    }
    .page-hero:after{content:"";position:absolute;inset:auto 0 0;height:1px;background:rgba(255,255,255,.25)}
    .hero-inner{min-height:430px;display:flex;align-items:center;padding:60px 0}
    .hero-copy{max-width:760px}
    .eyebrow,.tag{
      display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;
      font-size:13px;line-height:1.4
    }
    .eyebrow{color:#f4e9d4;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,66px);line-height:1.1;margin:20px 0 18px;max-width:12ch}
    .page-hero p{max-width:720px;color:rgba(251,245,234,.84);font-size:18px;margin-bottom:26px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .btn-secondary{
      display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;
      border:1px solid rgba(255,255,255,.35);border-radius:10px;color:#fff;background:rgba(255,255,255,.08);transition:.2s ease
    }
    .btn-secondary:hover{background:rgba(255,255,255,.17);transform:translateY(-2px)}
    .section{padding:82px 0}
    .section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}
    .section-heading h2{font-size:clamp(27px,3vw,40px);line-height:1.2;margin:0}
    .section-heading p{max-width:600px;color:var(--muted);margin:0}
    .tag{background:var(--surface-2);color:var(--accent);border:1px solid var(--line);margin-bottom:12px}
    .intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch}
    .intro-copy{padding:30px 0}
    .intro-copy h2{font-size:34px;line-height:1.25;margin-bottom:16px}
    .intro-copy p{color:var(--muted);font-size:16px}
    .image-panel{min-height:330px;overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow);background:var(--surface)}
    .image-panel img{width:100%;height:100%;object-fit:cover}
    .feature-grid{display:grid;grid-template-columns:1.3fr .85fr .85fr;gap:16px}
    .feature-card,.info-card,.faq-item{
      background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
      box-shadow:0 6px 18px rgba(40,27,12,.04)
    }
    .feature-card{padding:26px;min-height:210px;transition:.22s ease}
    .feature-card:first-child{background:#2a2119;color:#fff;border-color:#2a2119}
    .feature-card:hover,.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .feature-card h3{font-size:22px;margin:12px 0 10px}
    .feature-card p{color:var(--muted);margin-bottom:0}
    .feature-card:first-child p{color:rgba(255,255,255,.72)}
    .index-number{font-size:14px;font-weight:700;color:var(--accent-2)}
    .content-band{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .content-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px}
    .info-list{display:grid;gap:12px}
    .info-card{padding:20px 22px;display:flex;gap:18px;align-items:flex-start;transition:.2s ease}
    .info-card figure{width:116px;height:88px;flex:0 0 auto;border-radius:8px;overflow:hidden;margin:0}
    .info-card figure img{width:100%;height:100%;object-fit:cover}
    .info-card h3{font-size:18px;margin:0 0 5px}
    .info-card p{font-size:14px;color:var(--muted);margin:0 0 8px}
    .meta{font-size:12px;color:var(--accent);display:flex;gap:12px;flex-wrap:wrap}
    .guide-box{padding:30px;border-left:3px solid var(--accent-3);background:var(--surface-2);border-radius:0 var(--radius) var(--radius) 0}
    .guide-box h3{font-size:24px;margin-bottom:12px}
    .guide-box p{color:var(--muted)}
    .guide-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:14px}
    .guide-list li{display:flex;gap:12px;align-items:flex-start}
    .guide-list strong{color:var(--accent-3);font-size:18px;line-height:1.4}
    .faq-list{max-width:920px;margin:0 auto;display:grid;gap:10px}
    .faq-item{overflow:hidden}
    .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;text-align:left;padding:19px 22px;font-weight:700}
    .faq-question span:last-child{font-size:22px;color:var(--accent);transition:.2s ease}
    .faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:15px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-band{padding:54px 0;background:#7f2e20;color:#fff}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta-inner h2{font-size:32px;margin:0 0 8px}
    .cta-inner p{margin:0;color:rgba(255,255,255,.78)}
    .cta-band .btn-primary{background:#e0bf73;color:#2a1c09}
    .site-footer{padding:54px 0 22px;background:#211b16;color:#eee5d8}
    .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .9fr;gap:42px}
    .site-footer h3{font-size:16px;margin:0 0 15px;color:#fff}
    .site-footer p,.footer-links{color:#bdb1a2;font-size:14px}
    .site-footer p{max-width:420px}
    .footer-links{list-style:none;padding:0;margin:0;display:grid;gap:8px}
    .footer-links a{transition:.2s ease}
    .footer-links a:hover{color:var(--accent-2)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:16px;color:#978c80;font-size:12px}
    :focus-visible{outline:3px solid rgba(215,177,90,.75);outline-offset:3px}
    @media (max-width:1024px){
      .intro-grid,.content-grid{grid-template-columns:1fr}
      .image-panel{min-height:300px}
      .feature-grid{grid-template-columns:1fr 1fr}
      .feature-card:first-child{grid-column:span 2}
    }
    @media (max-width:768px){
      .nav-panel{display:none}
      .nav-toggle{display:inline-flex}
      .mobile-menu.open{display:block}
      .page-hero,.hero-inner{min-height:420px}
      .section{padding:62px 0}
      .section-heading,.cta-inner{display:block}
      .section-heading p{margin-top:12px}
      .cta-inner .btn-primary{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-grid>div:first-child{grid-column:span 2}
    }
    @media (max-width:520px){
      .container{width:min(calc(100% - 24px),var(--container))}
      .brand-name{font-size:13px;max-width:245px}
      .brand-name span{font-size:11px}
      h1{font-size:40px}
      .page-hero p{font-size:16px}
      .feature-grid{grid-template-columns:1fr}
      .feature-card:first-child{grid-column:auto}
      .info-card{display:block}
      .info-card figure{width:100%;height:150px;margin-bottom:15px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .footer-bottom{display:block}
      .footer-bottom div+div{margin-top:7px}
    }