/* roulang page: index */
:root {
      --bg: #fbf6f3;
      --bg-strong: #f5ece6;
      --surface: #ffffff;
      --surface-soft: #fff9f6;
      --text: #231814;
      --muted: #6f5b54;
      --line: #e9d9d0;
      --primary: #8f3d4d;
      --primary-dark: #6e2b39;
      --accent: #b07b56;
      --accent-soft: #f0dfd2;
      --success: #4f7a58;
      --shadow: 0 18px 40px rgba(62, 34, 28, 0.08);
      --shadow-soft: 0 10px 24px rgba(62, 34, 28, 0.06);
      --radius: 14px;
      --radius-sm: 10px;
      --container: 1180px;
      --gap: 24px;
      --header-h: 76px;
      --transition: 180ms ease;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text);
      background: linear-gradient(180deg, #fffdfb 0%, var(--bg) 100%);
      line-height: 1.7;
      letter-spacing: 0;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    button, input, textarea { font: inherit; }
    button { border: 0; background: none; padding: 0; cursor: pointer; }
    :focus-visible { outline: 3px solid rgba(143, 61, 77, 0.28); outline-offset: 2px; }

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

    .topbar {
      position: sticky;
      top: 0;
      z-index: 60;
      backdrop-filter: blur(16px);
      background: rgba(251, 246, 243, 0.88);
      border-bottom: 1px solid rgba(233, 217, 208, 0.85);
    }
    .nav {
      min-height: var(--header-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      letter-spacing: 0;
      color: var(--text);
      white-space: nowrap;
    }
    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 11px;
      display: grid;
      place-items: center;
      background: linear-gradient(145deg, var(--primary), var(--primary-dark));
      color: #fff;
      box-shadow: var(--shadow-soft);
      font-size: 18px;
      flex: 0 0 auto;
    }
    .brand span {
      font-size: 16px;
      line-height: 1.2;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      flex-wrap: wrap;
    }
    .nav-links a {
      padding: 10px 14px;
      border-radius: 999px;
      color: var(--muted);
      transition: background var(--transition), color var(--transition), transform var(--transition);
    }
    .nav-links a:hover,
    .nav-links a:focus-visible,
    .nav-links a.active {
      color: var(--primary-dark);
      background: rgba(143, 61, 77, 0.08);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 18px;
      border-radius: 12px;
      font-weight: 700;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
      white-space: nowrap;
    }
    .btn-primary {
      background: linear-gradient(145deg, var(--primary), var(--primary-dark));
      color: #fff;
      box-shadow: var(--shadow-soft);
    }
    .btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
    .btn-ghost {
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.72);
      color: var(--text);
    }
    .btn-ghost:hover { border-color: rgba(143, 61, 77, 0.2); background: #fff; }
    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 12px;
      border: 1px solid var(--line);
      background: #fff;
      align-items: center;
      justify-content: center;
      color: var(--text);
    }

    .hero {
      position: relative;
      padding: 28px 0 18px;
    }
    .hero-shell {
      position: relative;
      overflow: hidden;
      border-radius: 24px;
      min-height: 680px;
      background:
        linear-gradient(90deg, rgba(31, 16, 13, 0.88) 0%, rgba(31, 16, 13, 0.72) 38%, rgba(31, 16, 13, 0.28) 68%, rgba(31, 16, 13, 0.08) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      box-shadow: var(--shadow);
      display: grid;
      align-items: end;
    }
    .hero-inner {
      padding: 56px;
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 28px;
      align-items: end;
    }
    .hero-copy {
      color: #fff;
      max-width: 680px;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.16);
      color: rgba(255, 255, 255, 0.9);
      font-size: 13px;
      margin-bottom: 18px;
      backdrop-filter: blur(8px);
    }
    .hero h1 {
      margin: 0;
      font-size: clamp(38px, 4vw, 66px);
      line-height: 1.06;
      letter-spacing: 0;
      max-width: 11em;
    }
    .hero p {
      margin: 18px 0 0;
      font-size: 17px;
      color: rgba(255, 255, 255, 0.86);
      max-width: 42em;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }
    .hero-meta {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
      margin-top: 30px;
    }
    .meta-item {
      padding: 16px 18px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.14);
      backdrop-filter: blur(10px);
    }
    .meta-item strong {
      display: block;
      font-size: 18px;
      margin-bottom: 4px;
      color: #fff;
    }
    .meta-item span {
      color: rgba(255, 255, 255, 0.8);
      font-size: 13px;
    }
    .hero-panel {
      align-self: stretch;
      display: grid;
      grid-template-rows: auto auto;
      gap: 16px;
      padding-top: 14px;
    }
    .floating-card {
      background: rgba(255, 250, 247, 0.96);
      border: 1px solid rgba(255, 255, 255, 0.48);
      border-radius: 20px;
      box-shadow: var(--shadow);
      overflow: hidden;
    }
    .floating-card .cover {
      aspect-ratio: 4 / 3;
      width: 100%;
      object-fit: cover;
    }
    .floating-card .body {
      padding: 18px;
    }
    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 12px;
    }
    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 0 10px;
      border-radius: 999px;
      background: var(--accent-soft);
      color: var(--primary-dark);
      font-size: 12px;
      font-weight: 700;
    }
    .floating-card h2 {
      margin: 0;
      font-size: 22px;
      line-height: 1.25;
    }
    .floating-card p {
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 14px;
    }
    .mini-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }
    .mini-box {
      padding: 16px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.96);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
    }
    .mini-box strong {
      display: block;
      font-size: 15px;
      margin-bottom: 4px;
    }
    .mini-box span { color: var(--muted); font-size: 13px; }

    main { padding: 18px 0 74px; }
    .section {
      padding: 28px 0;
    }
    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 18px;
    }
    .section-title h2 {
      margin: 0;
      font-size: 30px;
      line-height: 1.15;
    }
    .section-title p {
      margin: 10px 0 0;
      color: var(--muted);
      max-width: 64ch;
    }
    .panel {
      background: rgba(255, 255, 255, 0.76);
      border: 1px solid var(--line);
      border-radius: 20px;
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 18px;
    }
    .feature-main {
      padding: 26px;
      background: linear-gradient(180deg, #fff 0%, #fff8f4 100%);
    }
    .feature-main h3 {
      margin: 0 0 12px;
      font-size: 24px;
    }
    .feature-main p { margin: 0; color: var(--muted); }
    .feature-list {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin-top: 18px;
    }
    .feature-item {
      padding: 16px;
      border-radius: 16px;
      background: var(--surface);
      border: 1px solid var(--line);
      min-height: 122px;
    }
    .feature-item strong {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 16px;
      margin-bottom: 8px;
    }
    .feature-item span { color: var(--muted); font-size: 14px; }
    .side-banner {
      min-height: 100%;
      background:
        linear-gradient(180deg, rgba(37, 21, 17, 0.10), rgba(37, 21, 17, 0.22)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      display: flex;
      align-items: end;
      padding: 24px;
      color: #fff;
    }
    .side-banner .banner-card {
      width: 100%;
      border-radius: 18px;
      background: rgba(29, 18, 14, 0.6);
      border: 1px solid rgba(255, 255, 255, 0.14);
      padding: 20px;
      backdrop-filter: blur(10px);
    }
    .side-banner h3 { margin: 0; font-size: 24px; }
    .side-banner p { margin: 10px 0 0; color: rgba(255, 255, 255, 0.84); }

    .service-grid,
    .gallery-grid,
    .faq-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }
    .card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 18px;
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
      min-height: 100%;
    }
    .card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow);
      border-color: rgba(143, 61, 77, 0.18);
    }
    .card img {
      width: 100%;
      aspect-ratio: 16 / 10;
      object-fit: cover;
      background: #f4ebe5;
    }
    .card-body {
      padding: 18px;
    }
    .card h3,
    .card h4 {
      margin: 0;
      line-height: 1.3;
    }
    .card h3 { font-size: 19px; }
    .card h4 { font-size: 18px; }
    .card p {
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 14px;
    }
    .card-foot {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      margin-top: 16px;
    }
    .pill {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 10px;
      border-radius: 999px;
      background: #f7eee8;
      color: var(--primary-dark);
      font-size: 12px;
      font-weight: 700;
    }
    .link {
      color: var(--primary-dark);
      font-weight: 700;
      transition: color var(--transition);
    }
    .link:hover { color: var(--accent); }

    .timeline {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }
    .step {
      padding: 20px;
      border-radius: 18px;
      background: linear-gradient(180deg, #fff 0%, #fff7f3 100%);
      border: 1px solid var(--line);
      min-height: 170px;
    }
    .step .num {
      width: 38px;
      height: 38px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      background: rgba(143, 61, 77, 0.08);
      color: var(--primary-dark);
      font-weight: 800;
      margin-bottom: 14px;
    }
    .step h3 { margin: 0; font-size: 18px; }
    .step p { margin: 10px 0 0; color: var(--muted); font-size: 14px; }

    .quote-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }
    .quote {
      padding: 22px;
      border-radius: 18px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
    }
    .quote p { margin: 0; color: var(--text); }
    .quote .author {
      margin-top: 14px;
      color: var(--muted);
      font-size: 13px;
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 16px;
      overflow: hidden;
    }
    .faq-item summary {
      list-style: none;
      padding: 18px 20px;
      cursor: pointer;
      font-weight: 700;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after {
      content: '+';
      color: var(--primary-dark);
      font-size: 20px;
      line-height: 1;
    }
    .faq-item[open] summary::after { content: '−'; }
    .faq-item .answer {
      padding: 0 20px 18px;
      color: var(--muted);
      font-size: 14px;
    }

    .updates-wrap {
      display: grid;
      grid-template-columns: 1fr;
      gap: 16px;
    }
    .updates-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 20px 22px 0;
    }
    .updates-list {
      padding: 0 22px 22px;
      display: grid;
      gap: 12px;
    }
    .update-row {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 14px 0;
      border-top: 1px solid var(--line);
    }
    .update-row:first-child { border-top: 0; padding-top: 0; }
    .update-row h3 {
      margin: 0;
      font-size: 17px;
    }
    .update-row p {
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 13px;
    }
    .update-meta {
      display: flex;
      align-items: center;
      gap: 8px;
      justify-content: flex-end;
      flex-wrap: wrap;
      color: var(--muted);
      font-size: 12px;
    }
    .empty-state {
      padding: 18px 22px 22px;
      color: var(--muted);
    }

    .cta {
      margin-top: 10px;
      padding: 26px;
      border-radius: 22px;
      background:
        linear-gradient(135deg, rgba(111, 43, 57, 0.96), rgba(143, 61, 77, 0.92)),
        url('/assets/images/coverpic/cover-4.webp') center/cover no-repeat;
      color: #fff;
      box-shadow: var(--shadow);
      overflow: hidden;
    }
    .cta-inner {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      align-items: center;
    }
    .cta h2 {
      margin: 0;
      font-size: 28px;
      line-height: 1.2;
    }
    .cta p {
      margin: 10px 0 0;
      color: rgba(255, 255, 255, 0.86);
      max-width: 64ch;
    }
    .cta .btn-ghost {
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(255, 255, 255, 0.18);
      color: #fff;
    }
    .cta .btn-ghost:hover { background: rgba(255, 255, 255, 0.16); }

    .footer {
      padding: 28px 0 40px;
      border-top: 1px solid rgba(233, 217, 208, 0.9);
      background: rgba(255, 252, 249, 0.62);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr 0.8fr;
      gap: 18px;
      align-items: start;
    }
    .footer h3 {
      margin: 0 0 10px;
      font-size: 18px;
    }
    .footer p,
    .footer a,
    .footer li {
      color: var(--muted);
      font-size: 14px;
    }
    .footer-links {
      display: grid;
      gap: 10px;
    }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 18px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
      color: var(--muted);
      font-size: 13px;
    }

    .mobile-drawer {
      display: none;
      position: fixed;
      inset: var(--header-h) 0 0 0;
      background: rgba(24, 16, 14, 0.42);
      z-index: 55;
    }
    .mobile-panel {
      width: min(92vw, 320px);
      height: 100%;
      margin-left: auto;
      background: #fffaf7;
      border-left: 1px solid var(--line);
      padding: 18px;
      display: grid;
      gap: 14px;
    }
    .mobile-panel .nav-links {
      flex-direction: column;
      align-items: stretch;
    }
    .mobile-panel .nav-links a {
      border-radius: 12px;
      padding: 14px 16px;
      background: #fff;
      border: 1px solid var(--line);
    }
    .mobile-panel .nav-actions {
      flex-direction: column;
      align-items: stretch;
    }

    @media (max-width: 1080px) {
      .hero-inner,
      .feature-grid,
      .cta-inner,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-shell { min-height: unset; }
      .hero-inner { padding: 34px; }
      .hero-panel { grid-template-columns: 1fr 1fr; display: grid; }
      .timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .service-grid,
      .gallery-grid,
      .faq-grid,
      .quote-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }

    @media (max-width: 780px) {
      .nav-links,
      .nav-actions { display: none; }
      .menu-toggle { display: inline-flex; }
      .hero-inner { padding: 24px; }
      .hero-copy { max-width: none; }
      .hero h1 { font-size: 34px; max-width: none; }
      .hero p { font-size: 15px; }
      .hero-meta,
      .feature-list,
      .service-grid,
      .gallery-grid,
      .faq-grid,
      .quote-grid,
      .timeline,
      .hero-panel {
        grid-template-columns: 1fr;
      }
      .section-title h2 { font-size: 24px; }
      .section-head { align-items: start; flex-direction: column; }
      .cta h2 { font-size: 24px; }
      .update-row { grid-template-columns: 1fr; }
      .update-meta { justify-content: flex-start; }
    }

    @media (max-width: 520px) {
      .container { width: min(calc(100% - 22px), var(--container)); }
      .hero { padding-top: 18px; }
      .hero-inner { padding: 20px; }
      .hero h1 { font-size: 30px; }
      .hero-actions, .nav-actions { gap: 10px; }
      .btn { width: auto; min-height: 42px; padding: 0 14px; }
      .section { padding: 22px 0; }
      .panel, .card, .quote, .faq-item, .step, .mini-box { border-radius: 16px; }
      .floating-card h2 { font-size: 20px; }
      .cta { padding: 20px; }
    }

/* roulang page: article */
:root {
      --bg: #fbf6f3;
      --bg-strong: #f5ece6;
      --surface: #ffffff;
      --surface-soft: #fff9f6;
      --text: #231814;
      --muted: #6f5b54;
      --line: #e9d9d0;
      --primary: #8f3d4d;
      --primary-dark: #6e2b39;
      --accent: #b07b56;
      --accent-soft: #f0dfd2;
      --success: #4f7a58;
      --shadow: 0 18px 40px rgba(62, 34, 28, 0.08);
      --shadow-soft: 0 10px 24px rgba(62, 34, 28, 0.06);
      --radius: 14px;
      --radius-sm: 10px;
      --container: 1180px;
      --gap: 24px;
      --header-h: 76px;
      --transition: 180ms ease;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text);
      background: linear-gradient(180deg, #fffdfb 0%, var(--bg) 100%);
      line-height: 1.7;
      letter-spacing: 0;
      min-width: 320px;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    button, input, textarea { font: inherit; }
    button { border: 0; background: none; padding: 0; cursor: pointer; }
    p { margin: 0; }
    ul, ol { padding-left: 1.2em; }
    ::selection { background: rgba(143, 61, 77, 0.18); }

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

    .topbar {
      position: sticky;
      top: 0;
      z-index: 60;
      backdrop-filter: blur(16px);
      background: rgba(251, 246, 243, 0.88);
      border-bottom: 1px solid rgba(233, 217, 208, 0.85);
    }
    .nav {
      min-height: var(--header-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      letter-spacing: 0;
      color: var(--text);
      white-space: nowrap;
    }
    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 11px;
      display: grid;
      place-items: center;
      background: linear-gradient(145deg, var(--primary), var(--primary-dark));
      color: #fff;
      box-shadow: var(--shadow-soft);
      font-size: 18px;
      flex: 0 0 auto;
    }
    .brand span {
      font-size: 16px;
      line-height: 1.2;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      flex-wrap: wrap;
    }
    .nav-links a {
      padding: 10px 14px;
      border-radius: 999px;
      color: var(--muted);
      transition: background var(--transition), color var(--transition), transform var(--transition);
    }
    .nav-links a:hover,
    .nav-links a:focus-visible,
    .nav-links a.active {
      color: var(--primary-dark);
      background: rgba(143, 61, 77, 0.08);
      outline: none;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 18px;
      border-radius: 12px;
      font-weight: 700;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
      white-space: nowrap;
    }
    .btn-primary {
      background: linear-gradient(145deg, var(--primary), var(--primary-dark));
      color: #fff;
      box-shadow: var(--shadow-soft);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible {
      color: #fff;
      transform: translateY(-1px);
      box-shadow: var(--shadow);
      outline: none;
    }
    .btn-primary:active { transform: translateY(0); box-shadow: var(--shadow-soft); }
    .btn-ghost {
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.72);
      color: var(--text);
    }
    .btn-ghost:hover,
    .btn-ghost:focus-visible {
      border-color: rgba(143, 61, 77, 0.22);
      background: #fff;
      color: var(--primary-dark);
      outline: none;
    }
    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 12px;
      border: 1px solid var(--line);
      background: #fff;
      align-items: center;
      justify-content: center;
      color: var(--text);
      transition: border-color var(--transition), background var(--transition), transform var(--transition);
    }
    .menu-toggle:hover,
    .menu-toggle:focus-visible {
      border-color: rgba(143, 61, 77, 0.25);
      outline: none;
    }

    .page-hero {
      padding: 28px 0 22px;
    }
    .page-hero-shell {
      position: relative;
      overflow: hidden;
      border-radius: 24px;
      min-height: 360px;
      background:
        linear-gradient(90deg, rgba(31, 16, 13, 0.88) 0%, rgba(31, 16, 13, 0.7) 46%, rgba(31, 16, 13, 0.25) 100%),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      box-shadow: var(--shadow);
      display: grid;
      align-items: end;
    }
    .page-hero-inner {
      padding: 48px 52px;
      max-width: 900px;
      color: #fff;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.16);
      color: rgba(255, 255, 255, 0.9);
      font-size: 13px;
      margin-bottom: 18px;
      backdrop-filter: blur(8px);
    }
    .page-hero h1 {
      margin: 0;
      font-size: clamp(30px, 4vw, 52px);
      line-height: 1.16;
      letter-spacing: -0.03em;
      max-width: 16em;
    }
    .page-hero p {
      margin-top: 18px;
      max-width: 48em;
      color: rgba(255, 255, 255, 0.86);
      font-size: 16px;
    }
    .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
      color: rgba(255, 255, 255, 0.9);
    }
    .meta-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 34px;
      padding: 0 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.13);
      border: 1px solid rgba(255, 255, 255, 0.16);
      font-size: 13px;
    }

    .main {
      padding: 22px 0 72px;
    }
    .breadcrumb-wrap {
      margin-bottom: 18px;
      color: var(--muted);
      font-size: 14px;
    }
    .breadcrumb-wrap a {
      color: var(--primary-dark);
      border-bottom: 1px solid transparent;
      transition: border-color var(--transition), color var(--transition);
    }
    .breadcrumb-wrap a:hover,
    .breadcrumb-wrap a:focus-visible {
      border-color: rgba(143, 61, 77, 0.5);
      outline: none;
    }

    .article-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 26px;
      align-items: start;
    }
    .article-card,
    .side-card,
    .related-card,
    .faq-card,
    .cta-panel {
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.82);
      box-shadow: var(--shadow-soft);
      border-radius: var(--radius);
    }
    .article-card {
      overflow: hidden;
    }
    .article-cover {
      position: relative;
      min-height: 280px;
      background: var(--bg-strong);
      overflow: hidden;
    }
    .article-cover img {
      width: 100%;
      height: 100%;
      min-height: 280px;
      object-fit: cover;
      filter: saturate(0.96);
    }
    .article-cover::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(35, 24, 20, 0) 30%, rgba(35, 24, 20, 0.38) 100%);
      pointer-events: none;
    }
    .article-content {
      padding: 38px 42px 42px;
      background:
        linear-gradient(180deg, rgba(255, 249, 246, 0.92), rgba(255, 255, 255, 0.98));
    }
    .content-head {
      padding-bottom: 24px;
      margin-bottom: 26px;
      border-bottom: 1px solid var(--line);
    }
    .content-head h2 {
      margin: 0;
      font-size: 24px;
      line-height: 1.35;
      letter-spacing: -0.02em;
      color: var(--text);
    }
    .summary-box {
      margin-top: 16px;
      padding: 16px 18px;
      border-radius: 14px;
      background: var(--surface-soft);
      border: 1px solid var(--line);
      color: var(--muted);
    }

    .cms-body {
      color: #33251f;
      font-size: 16px;
      line-height: 1.9;
      overflow-wrap: anywhere;
    }
    .cms-body h2,
    .cms-body h3,
    .cms-body h4 {
      color: var(--text);
      line-height: 1.35;
      margin: 1.7em 0 0.65em;
      font-weight: 800;
      letter-spacing: -0.02em;
    }
    .cms-body h2 {
      font-size: 28px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--line);
    }
    .cms-body h3 { font-size: 22px; }
    .cms-body h4 { font-size: 18px; }
    .cms-body p { margin: 0 0 1.15em; }
    .cms-body a {
      color: var(--primary-dark);
      border-bottom: 1px solid rgba(143, 61, 77, 0.28);
      transition: color var(--transition), border-color var(--transition);
    }
    .cms-body a:hover,
    .cms-body a:focus-visible {
      color: var(--primary);
      border-color: var(--primary);
      outline: none;
    }
    .cms-body img {
      border-radius: 16px;
      margin: 24px auto;
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--line);
    }
    .cms-body blockquote {
      margin: 24px 0;
      padding: 18px 20px;
      border-left: 4px solid var(--primary);
      border-radius: 0 14px 14px 0;
      background: var(--surface-soft);
      color: var(--muted);
    }
    .cms-body ul,
    .cms-body ol {
      margin: 0 0 1.15em;
      padding-left: 1.35em;
    }
    .cms-body li { margin: 0.35em 0; }
    .cms-body hr {
      border: 0;
      border-top: 1px solid var(--line);
      margin: 30px 0;
    }
    .cms-body table {
      width: 100%;
      border-collapse: collapse;
      margin: 24px 0;
      overflow: hidden;
      border-radius: 12px;
      font-size: 15px;
    }
    .cms-body th,
    .cms-body td {
      border: 1px solid var(--line);
      padding: 12px 14px;
      vertical-align: top;
    }
    .cms-body th {
      background: var(--bg-strong);
      color: var(--text);
      font-weight: 800;
    }

    .empty-state {
      padding: 44px 24px;
      text-align: center;
      border: 1px dashed rgba(143, 61, 77, 0.28);
      border-radius: 18px;
      background: rgba(255, 249, 246, 0.8);
    }
    .empty-state h2 {
      margin: 0 0 10px;
      font-size: 26px;
      color: var(--text);
    }
    .empty-state p {
      color: var(--muted);
      margin-bottom: 18px;
    }

    .sidebar {
      position: sticky;
      top: calc(var(--header-h) + 18px);
      display: grid;
      gap: 18px;
    }
    .side-card {
      padding: 22px;
    }
    .side-card h3 {
      margin: 0 0 14px;
      font-size: 18px;
      letter-spacing: -0.01em;
    }
    .side-card p {
      color: var(--muted);
      font-size: 14px;
      margin-bottom: 14px;
    }
    .info-list {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .info-list li {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 11px 0;
      border-bottom: 1px solid var(--line);
      color: var(--muted);
      font-size: 14px;
    }
    .info-list li:last-child { border-bottom: 0; }
    .info-list strong {
      color: var(--text);
      font-weight: 800;
      text-align: right;
    }
    .toc-list {
      display: grid;
      gap: 8px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .toc-list a {
      display: block;
      padding: 10px 12px;
      border-radius: 10px;
      color: var(--muted);
      background: rgba(255, 249, 246, 0.78);
      border: 1px solid transparent;
      transition: color var(--transition), background var(--transition), border-color var(--transition);
    }
    .toc-list a:hover,
    .toc-list a:focus-visible {
      color: var(--primary-dark);
      background: #fff;
      border-color: var(--line);
      outline: none;
    }
    .side-image {
      overflow: hidden;
      border-radius: 14px;
      border: 1px solid var(--line);
      margin-bottom: 14px;
    }
    .side-image img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
      transition: transform var(--transition);
    }
    .side-card:hover .side-image img { transform: scale(1.025); }

    .section {
      margin-top: 32px;
    }
    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 16px;
    }
    .section-head h2 {
      margin: 0;
      font-size: 26px;
      line-height: 1.28;
      letter-spacing: -0.02em;
    }
    .section-head p {
      color: var(--muted);
      max-width: 560px;
      font-size: 15px;
    }
    .related-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }
    .related-card {
      overflow: hidden;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .related-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow);
      border-color: rgba(143, 61, 77, 0.18);
    }
    .related-card img {
      width: 100%;
      aspect-ratio: 16 / 10;
      object-fit: cover;
    }
    .related-body {
      padding: 18px;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      min-height: 26px;
      padding: 0 10px;
      border-radius: 999px;
      background: var(--accent-soft);
      color: var(--primary-dark);
      font-size: 12px;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .related-body h3 {
      margin: 0 0 8px;
      font-size: 18px;
      line-height: 1.38;
    }
    .related-body p {
      color: var(--muted);
      font-size: 14px;
      min-height: 48px;
    }
    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: 14px;
      color: var(--primary-dark);
      font-weight: 800;
      font-size: 14px;
      transition: gap var(--transition), color var(--transition);
    }
    .text-link:hover,
    .text-link:focus-visible {
      gap: 10px;
      color: var(--primary);
      outline: none;
    }

    .faq-grid {
      display: grid;
      gap: 12px;
    }
    .faq-card {
      overflow: hidden;
      box-shadow: none;
      background: rgba(255,255,255,0.72);
    }
    .faq-button {
      width: 100%;
      padding: 18px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 18px;
      color: var(--text);
      text-align: left;
      font-weight: 800;
      transition: background var(--transition);
    }
    .faq-button:hover,
    .faq-button:focus-visible {
      background: var(--surface-soft);
      outline: none;
    }
    .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: rgba(143, 61, 77, 0.08);
      color: var(--primary-dark);
      flex: 0 0 auto;
      transition: transform var(--transition);
    }
    .faq-card.open .faq-icon { transform: rotate(45deg); }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 240ms ease;
    }
    .faq-answer p {
      padding: 0 20px 18px;
      color: var(--muted);
      font-size: 15px;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      padding: 34px;
      background:
        linear-gradient(135deg, rgba(110, 43, 57, 0.96), rgba(143, 61, 77, 0.9)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color: #fff;
      box-shadow: var(--shadow);
    }
    .cta-panel::after {
      content: "";
      position: absolute;
      width: 260px;
      height: 260px;
      right: -90px;
      top: -90px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.1);
      pointer-events: none;
    }
    .cta-content {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 22px;
      align-items: center;
    }
    .cta-panel h2 {
      margin: 0 0 8px;
      font-size: 28px;
      letter-spacing: -0.02em;
    }
    .cta-panel p {
      color: rgba(255, 255, 255, 0.82);
      max-width: 680px;
    }
    .cta-panel .btn-ghost {
      background: rgba(255, 255, 255, 0.94);
      border-color: rgba(255, 255, 255, 0.68);
      color: var(--primary-dark);
    }

    .footer {
      padding: 52px 0 28px;
      background: #211613;
      color: rgba(255, 255, 255, 0.76);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr 0.8fr;
      gap: 28px;
      padding-bottom: 28px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }
    .footer h3 {
      color: #fff;
      margin: 0 0 12px;
      font-size: 17px;
    }
    .footer p {
      margin: 0;
      max-width: 420px;
      color: rgba(255, 255, 255, 0.68);
      font-size: 14px;
    }
    .footer-links {
      display: grid;
      gap: 8px;
    }
    .footer-links a {
      color: rgba(255, 255, 255, 0.68);
      transition: color var(--transition), transform var(--transition);
      font-size: 14px;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: #fff;
      transform: translateX(2px);
      outline: none;
    }
    .footer-bottom {
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      color: rgba(255, 255, 255, 0.54);
      font-size: 13px;
    }

    .mobile-mask {
      display: none;
      position: fixed;
      inset: 0;
      z-index: 55;
      background: rgba(35, 24, 20, 0.38);
      opacity: 0;
      transition: opacity var(--transition);
    }
    .mobile-mask.show {
      display: block;
      opacity: 1;
    }

    @media (max-width: 1024px) {
      .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        z-index: 70;
        width: min(82vw, 340px);
        height: 100vh;
        padding: 92px 22px 24px;
        background: rgba(255, 253, 251, 0.98);
        border-left: 1px solid var(--line);
        box-shadow: -16px 0 40px rgba(62, 34, 28, 0.12);
        display: grid;
        align-content: start;
        gap: 8px;
        transform: translateX(105%);
        transition: transform 220ms ease;
      }
      .nav-links.open { transform: translateX(0); }
      .nav-links a {
        border-radius: 12px;
        padding: 13px 14px;
      }
      .menu-toggle {
        display: inline-flex;
        position: relative;
        z-index: 80;
      }
      .article-layout {
        grid-template-columns: 1fr;
      }
      .sidebar {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      .related-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      .page-hero-inner {
        padding: 42px 36px;
      }
    }

    @media (max-width: 768px) {
      :root { --header-h: 68px; }
      .container { width: min(calc(100% - 24px), var(--container)); }
      .brand span { font-size: 14px; max-width: 180px; white-space: normal; }
      .nav-actions .btn { display: none; }
      .page-hero { padding-top: 18px; }
      .page-hero-shell {
        min-height: 380px;
        border-radius: 18px;
        background:
          linear-gradient(180deg, rgba(31, 16, 13, 0.86) 0%, rgba(31, 16, 13, 0.58) 65%, rgba(31, 16, 13, 0.34) 100%),
          url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      }
      .page-hero-inner { padding: 34px 24px; }
      .page-hero h1 { font-size: clamp(28px, 8vw, 40px); }
      .article-content { padding: 28px 22px 30px; }
      .cms-body h2 { font-size: 24px; }
      .cms-body h3 { font-size: 20px; }
      .sidebar {
        grid-template-columns: 1fr;
      }
      .section-head {
        display: grid;
        align-items: start;
      }
      .related-grid {
        grid-template-columns: 1fr;
      }
      .cta-content {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        display: grid;
      }
    }

    @media (max-width: 520px) {
      .brand-mark {
        width: 34px;
        height: 34px;
        border-radius: 10px;
      }
      .brand span {
        max-width: 150px;
        font-size: 13px;
      }
      .page-hero-inner { padding: 28px 20px; }
      .article-meta { gap: 8px; }
      .meta-pill { width: 100%; justify-content: center; }
      .content-head h2 { font-size: 21px; }
      .article-cover,
      .article-cover img { min-height: 220px; }
      .side-card,
      .cta-panel { padding: 20px; }
      .cta-panel h2 { font-size: 24px; }
      .btn { width: 100%; }
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}