/* roulang page: index */
:root {
      --color-ink: #211b1c;
      --color-ink-soft: #51484a;
      --color-muted: #786f70;
      --color-bg: #f4f0eb;
      --color-panel: #fffaf4;
      --color-panel-2: #eee7df;
      --color-primary: #641b29;
      --color-primary-dark: #46111c;
      --color-accent: #c7924b;
      --color-accent-soft: #f2dfbd;
      --color-rust: #a64f38;
      --color-line: rgba(33, 27, 28, .13);
      --shadow-sm: 0 10px 24px rgba(40, 29, 25, .08);
      --shadow-md: 0 18px 44px rgba(40, 29, 25, .14);
      --radius: 8px;
      --radius-sm: 6px;
      --container: 1180px;
      --header-height: 74px;
      --ease: 180ms ease;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
      color: var(--color-ink);
      background:
        linear-gradient(180deg, rgba(255, 250, 244, .9), rgba(244, 240, 235, .96)),
        var(--color-bg);
      line-height: 1.72;
      font-size: 16px;
      overflow-x: hidden;
    }

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

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

    button,
    input {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
      background: none;
    }

    input {
      width: 100%;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-sm);
      background: rgba(255, 250, 244, .94);
      color: var(--color-ink);
      padding: 12px 14px;
      outline: none;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    input:focus {
      border-color: rgba(199, 146, 75, .9);
      box-shadow: 0 0 0 4px rgba(199, 146, 75, .16);
      background: #fff;
    }

    .container {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 40;
      min-height: var(--header-height);
      background: rgba(255, 250, 244, .92);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--color-line);
    }

    .nav-wrap {
      min-height: var(--header-height);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 900;
      color: var(--color-primary);
      white-space: nowrap;
      letter-spacing: 0;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: var(--radius-sm);
      display: grid;
      place-items: center;
      color: #fffaf4;
      background: linear-gradient(135deg, var(--color-primary), var(--color-rust));
      box-shadow: 0 10px 20px rgba(100, 27, 41, .22);
      font-size: 17px;
      font-weight: 900;
    }

    .brand-text {
      font-size: 18px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      list-style: none;
    }

    .nav-links a {
      position: relative;
      display: inline-flex;
      align-items: center;
      padding: 10px 12px;
      border-radius: var(--radius-sm);
      color: var(--color-ink-soft);
      font-size: 15px;
      font-weight: 700;
      transition: color var(--ease), transform var(--ease), background var(--ease);
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      left: 12px;
      right: 12px;
      bottom: 5px;
      height: 2px;
      background: var(--color-accent);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform var(--ease);
    }

    .nav-links a:hover,
    .nav-links a:focus {
      color: var(--color-primary);
      background: rgba(100, 27, 41, .06);
      transform: translateY(-1px);
      outline: none;
    }

    .nav-links a:hover::after,
    .nav-links a.active::after {
      transform: scaleX(1);
    }

    .nav-links a.active {
      color: var(--color-primary);
      background: rgba(199, 146, 75, .16);
    }

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

    .search-mini {
      width: 190px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 7px 10px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-sm);
      background: rgba(255, 255, 255, .58);
    }

    .search-mini span {
      color: var(--color-muted);
      font-size: 14px;
    }

    .search-mini input {
      border: 0;
      box-shadow: none;
      background: transparent;
      padding: 3px 0;
      font-size: 14px;
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-sm);
      background: var(--color-panel);
      color: var(--color-primary);
      align-items: center;
      justify-content: center;
      font-size: 22px;
      transition: background var(--ease), transform var(--ease);
    }

    .menu-toggle:hover,
    .menu-toggle:focus {
      background: var(--color-accent-soft);
      transform: translateY(-1px);
      outline: none;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 11px 18px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      font-weight: 800;
      line-height: 1.2;
      transition: transform var(--ease), background var(--ease), border-color var(--ease), color var(--ease), box-shadow var(--ease);
      white-space: nowrap;
    }

    .btn-primary {
      color: #fffaf4;
      background: var(--color-primary);
      box-shadow: 0 12px 24px rgba(100, 27, 41, .22);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      background: var(--color-primary-dark);
      transform: translateY(-2px);
      outline: none;
    }

    .btn-secondary {
      color: var(--color-primary);
      background: rgba(255, 250, 244, .9);
      border-color: rgba(255, 250, 244, .7);
    }

    .btn-secondary:hover,
    .btn-secondary:focus {
      background: #fff;
      border-color: var(--color-accent);
      transform: translateY(-2px);
      outline: none;
    }

    .btn-ghost {
      color: var(--color-primary);
      border-color: rgba(100, 27, 41, .22);
      background: rgba(255, 250, 244, .58);
    }

    .btn-ghost:hover,
    .btn-ghost:focus {
      border-color: var(--color-primary);
      background: rgba(100, 27, 41, .07);
      transform: translateY(-1px);
      outline: none;
    }

    .hero {
      position: relative;
      min-height: 640px;
      display: flex;
      align-items: center;
      color: #fffaf4;
      background-image:
        linear-gradient(90deg, rgba(28, 16, 16, .88), rgba(55, 21, 27, .58) 52%, rgba(28, 16, 16, .62)),
        url("/assets/images/backpic/back-1.webp");
      background-size: cover;
      background-position: center;
      overflow: hidden;
    }

    .hero::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 120px;
      background: linear-gradient(180deg, rgba(244, 240, 235, 0), var(--color-bg));
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 1;
      width: min(760px, 100%);
      padding: 78px 0 96px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 18px;
      padding: 7px 10px;
      border-radius: var(--radius-sm);
      color: #ffe6bd;
      background: rgba(255, 250, 244, .12);
      border: 1px solid rgba(255, 250, 244, .25);
      font-size: 14px;
      font-weight: 800;
    }

    .hero h1 {
      font-size: 52px;
      line-height: 1.12;
      letter-spacing: 0;
      margin-bottom: 20px;
      max-width: 780px;
    }

    .hero p {
      max-width: 720px;
      font-size: 18px;
      color: rgba(255, 250, 244, .86);
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 32px;
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, minmax(120px, 1fr));
      gap: 12px;
      max-width: 620px;
    }

    .metric {
      padding: 14px 16px;
      border: 1px solid rgba(255, 250, 244, .18);
      border-radius: var(--radius);
      background: rgba(255, 250, 244, .11);
      backdrop-filter: blur(12px);
    }

    .metric strong {
      display: block;
      font-size: 22px;
      line-height: 1.2;
      color: #ffe2ae;
    }

    .metric span {
      display: block;
      margin-top: 4px;
      color: rgba(255, 250, 244, .78);
      font-size: 13px;
    }

    .section {
      padding: 76px 0;
    }

    .section-tight {
      padding: 54px 0;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 28px;
    }

    .section-kicker {
      color: var(--color-primary);
      font-size: 14px;
      font-weight: 900;
      margin-bottom: 7px;
    }

    .section-title {
      font-size: 32px;
      line-height: 1.25;
      letter-spacing: 0;
      color: var(--color-ink);
    }

    .section-desc {
      max-width: 650px;
      color: var(--color-muted);
      margin-top: 8px;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr .85fr;
      gap: 18px;
    }

    .feature-card {
      position: relative;
      min-height: 256px;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--color-line);
      background: var(--color-panel);
      box-shadow: var(--shadow-sm);
      transition: transform var(--ease), box-shadow var(--ease);
    }

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

    .feature-card.large {
      grid-row: span 2;
      min-height: 530px;
    }

    .feature-card img {
      width: 100%;
      height: 100%;
      min-height: inherit;
      object-fit: cover;
      filter: saturate(.96);
    }

    .feature-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(20, 14, 14, .05), rgba(23, 12, 13, .82));
    }

    .feature-body {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 1;
      padding: 22px;
      color: #fffaf4;
    }

    .feature-body h3 {
      font-size: 22px;
      line-height: 1.28;
      margin: 10px 0 8px;
    }

    .feature-body p {
      color: rgba(255, 250, 244, .82);
      font-size: 15px;
    }

    .badge,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      line-height: 1;
      font-weight: 800;
      white-space: nowrap;
    }

    .badge {
      padding: 7px 10px;
      background: rgba(255, 250, 244, .18);
      border: 1px solid rgba(255, 250, 244, .24);
      color: #ffe1ad;
      font-size: 13px;
    }

    .tag {
      padding: 7px 9px;
      background: rgba(199, 146, 75, .16);
      color: var(--color-primary);
      font-size: 12px;
    }

    .quick-layout {
      display: grid;
      grid-template-columns: 280px 1fr;
      gap: 22px;
      align-items: start;
    }

    .filter-panel {
      border: 1px solid var(--color-line);
      border-radius: var(--radius);
      background: var(--color-panel);
      box-shadow: var(--shadow-sm);
      padding: 22px;
    }

    .filter-panel h3 {
      font-size: 21px;
      margin-bottom: 8px;
    }

    .filter-panel p {
      color: var(--color-muted);
      font-size: 15px;
      margin-bottom: 18px;
    }

    .filter-list {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
    }

    .filter-list a {
      display: inline-flex;
      padding: 8px 11px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-sm);
      background: rgba(255, 255, 255, .52);
      color: var(--color-ink-soft);
      font-weight: 750;
      font-size: 14px;
      transition: color var(--ease), border-color var(--ease), background var(--ease), transform var(--ease);
    }

    .filter-list a:hover,
    .filter-list a:focus {
      color: var(--color-primary);
      border-color: rgba(100, 27, 41, .35);
      background: rgba(100, 27, 41, .06);
      transform: translateY(-1px);
      outline: none;
    }

    .category-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .category-card {
      display: flex;
      flex-direction: column;
      min-height: 100%;
      overflow: hidden;
      border: 1px solid var(--color-line);
      border-radius: var(--radius);
      background: var(--color-panel);
      box-shadow: var(--shadow-sm);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .category-card:hover,
    .category-card:focus-within {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(100, 27, 41, .22);
    }

    .category-card img {
      width: 100%;
      aspect-ratio: 16 / 10;
      object-fit: cover;
    }

    .category-card .content {
      padding: 18px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .category-card h3 {
      font-size: 19px;
      line-height: 1.32;
      margin: 10px 0 8px;
    }

    .category-card p {
      color: var(--color-muted);
      font-size: 14px;
      flex: 1;
    }

    .card-foot {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-top: 16px;
      padding-top: 14px;
      border-top: 1px solid var(--color-line);
      color: var(--color-muted);
      font-size: 13px;
    }

    .card-link {
      color: var(--color-primary);
      font-weight: 900;
    }

    .split-band {
      background: linear-gradient(180deg, rgba(255, 250, 244, .55), rgba(238, 231, 223, .75));
      border-block: 1px solid var(--color-line);
    }

    .stream-list {
      display: grid;
      gap: 14px;
    }

    .stream-item {
      display: grid;
      grid-template-columns: 160px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 14px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius);
      background: rgba(255, 250, 244, .82);
      box-shadow: var(--shadow-sm);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .stream-item:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
      border-color: rgba(199, 146, 75, .38);
    }

    .stream-cover {
      width: 160px;
      aspect-ratio: 16 / 10;
      border-radius: var(--radius-sm);
      overflow: hidden;
      background: var(--color-panel-2);
    }

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

    .stream-main h3 {
      font-size: 20px;
      line-height: 1.35;
      margin-bottom: 7px;
    }

    .stream-main p {
      color: var(--color-muted);
      font-size: 15px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .stream-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 8px;
      color: var(--color-muted);
      font-size: 13px;
    }

    .empty-state {
      padding: 34px;
      border: 1px dashed rgba(100, 27, 41, .35);
      border-radius: var(--radius);
      background: rgba(255, 250, 244, .72);
      color: var(--color-muted);
      text-align: center;
      font-weight: 800;
    }

    .proof-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .proof-card {
      padding: 24px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius);
      background: var(--color-panel);
      box-shadow: var(--shadow-sm);
    }

    .proof-card strong {
      display: block;
      color: var(--color-primary);
      font-size: 30px;
      line-height: 1.1;
      margin-bottom: 8px;
    }

    .proof-card h3 {
      font-size: 18px;
      margin-bottom: 8px;
    }

    .proof-card p {
      color: var(--color-muted);
      font-size: 15px;
    }

    .guide-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      align-items: center;
    }

    .guide-media {
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-md);
      background: var(--color-panel);
    }

    .guide-media img {
      width: 100%;
      aspect-ratio: 16 / 11;
      object-fit: cover;
    }

    .steps {
      display: grid;
      gap: 14px;
    }

    .step {
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 14px;
      padding: 16px;
      border-radius: var(--radius);
      border: 1px solid var(--color-line);
      background: rgba(255, 250, 244, .78);
    }

    .step-num {
      width: 42px;
      height: 42px;
      border-radius: var(--radius-sm);
      display: grid;
      place-items: center;
      background: var(--color-primary);
      color: #fffaf4;
      font-weight: 900;
    }

    .step h3 {
      font-size: 18px;
      margin-bottom: 4px;
    }

    .step p {
      color: var(--color-muted);
      font-size: 15px;
    }

    .faq-list {
      display: grid;
      gap: 12px;
      max-width: 920px;
    }

    .faq-item {
      border: 1px solid var(--color-line);
      border-radius: var(--radius);
      background: var(--color-panel);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 18px 20px;
      color: var(--color-ink);
      text-align: left;
      font-weight: 900;
    }

    .faq-question span:last-child {
      color: var(--color-primary);
      font-size: 20px;
      transition: transform var(--ease);
    }

    .faq-item.open .faq-question span:last-child {
      transform: rotate(45deg);
    }

    .faq-answer {
      display: none;
      padding: 0 20px 18px;
      color: var(--color-muted);
    }

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

    .cta-panel {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius);
      border: 1px solid rgba(255, 250, 244, .22);
      background-image:
        linear-gradient(90deg, rgba(57, 16, 22, .94), rgba(100, 27, 41, .82)),
        url("/assets/images/backpic/back-2.webp");
      background-size: cover;
      background-position: center;
      color: #fffaf4;
      padding: 38px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1fr 370px;
      gap: 32px;
      align-items: center;
    }

    .cta-panel h2 {
      font-size: 30px;
      line-height: 1.25;
      margin-bottom: 10px;
    }

    .cta-panel p {
      color: rgba(255, 250, 244, .82);
      max-width: 650px;
    }

    .subscribe-form {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 10px;
      padding: 10px;
      border-radius: var(--radius);
      background: rgba(255, 250, 244, .14);
      border: 1px solid rgba(255, 250, 244, .24);
    }

    .subscribe-form input {
      background: rgba(255, 250, 244, .94);
    }

    .form-note {
      grid-column: 1 / -1;
      color: rgba(255, 250, 244, .74);
      font-size: 13px;
      padding: 0 2px;
    }

    .site-footer {
      background: #211b1c;
      color: rgba(255, 250, 244, .76);
      padding: 58px 0 24px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr repeat(3, 1fr);
      gap: 34px;
      margin-bottom: 34px;
    }

    .footer-brand {
      color: #fffaf4;
      font-size: 20px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .footer-desc {
      max-width: 360px;
      color: rgba(255, 250, 244, .66);
      font-size: 15px;
    }

    .footer-col h3 {
      color: #fffaf4;
      font-size: 16px;
      margin-bottom: 14px;
    }

    .footer-col a {
      display: block;
      color: rgba(255, 250, 244, .68);
      padding: 5px 0;
      font-size: 14px;
      transition: color var(--ease), transform var(--ease);
    }

    .footer-col a:hover,
    .footer-col a:focus {
      color: #ffe0aa;
      transform: translateX(2px);
      outline: none;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 250, 244, .12);
      padding-top: 18px;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      color: rgba(255, 250, 244, .56);
      font-size: 13px;
    }

    @media (max-width: 1200px) {
      .container {
        width: min(100% - 32px, 1040px);
      }

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

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

      .feature-card.large {
        grid-column: 1 / -1;
        min-height: 430px;
      }
    }

    @media (max-width: 992px) {
      .nav-links,
      .search-mini {
        display: none;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .nav-links.open {
        display: grid;
        position: absolute;
        left: 16px;
        right: 16px;
        top: calc(var(--header-height) + 8px);
        padding: 12px;
        border: 1px solid var(--color-line);
        border-radius: var(--radius);
        background: rgba(255, 250, 244, .98);
        box-shadow: var(--shadow-md);
      }

      .nav-links.open a {
        padding: 13px 12px;
      }

      .hero {
        min-height: 580px;
      }

      .hero h1 {
        font-size: 42px;
      }

      .quick-layout,
      .guide-layout,
      .cta-panel {
        grid-template-columns: 1fr;
      }

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

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

    @media (max-width: 768px) {
      body {
        font-size: 15px;
      }

      .container {
        width: min(100% - 24px, var(--container));
      }

      .brand-text {
        font-size: 16px;
      }

      .nav-actions .btn {
        display: none;
      }

      .hero {
        min-height: 560px;
        background-position: center top;
      }

      .hero-content {
        padding: 58px 0 82px;
      }

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

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

      .hero-metrics {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 56px 0;
      }

      .section-head {
        display: block;
      }

      .section-title {
        font-size: 27px;
      }

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

      .feature-card,
      .feature-card.large {
        min-height: 330px;
      }

      .stream-item {
        grid-template-columns: 116px 1fr;
      }

      .stream-cover {
        width: 116px;
      }

      .stream-item .btn {
        grid-column: 1 / -1;
        width: 100%;
      }

      .cta-panel {
        padding: 28px 20px;
      }

      .subscribe-form {
        grid-template-columns: 1fr;
      }

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

    @media (max-width: 520px) {
      .hero h1 {
        font-size: 29px;
      }

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

      .section-title {
        font-size: 24px;
      }

      .stream-item {
        grid-template-columns: 1fr;
      }

      .stream-cover {
        width: 100%;
      }

      .footer-bottom {
        display: block;
      }

      .footer-bottom span {
        display: block;
        margin-top: 8px;
      }
    }

/* roulang page: article */
:root {
      --color-ink: #171413;
      --color-graphite: #241f1d;
      --color-wine: #6f1d2c;
      --color-wine-dark: #4d1520;
      --color-gold: #c99a45;
      --color-coral: #b9553e;
      --color-cream: #f7f2ea;
      --color-paper: #fffaf2;
      --color-smoke: #ebe4db;
      --color-muted: #746b62;
      --color-line: rgba(36, 31, 29, .13);
      --shadow-soft: 0 14px 35px rgba(36, 31, 29, .10);
      --shadow-hover: 0 18px 44px rgba(36, 31, 29, .16);
      --radius: 8px;
      --radius-sm: 6px;
      --container: 1180px;
      --header-height: 76px;
      --ease: 180ms ease;
    }

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

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

    body {
      min-height: 100vh;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      color: var(--color-ink);
      background:
        radial-gradient(circle at 18% 0%, rgba(201, 154, 69, .12), transparent 34%),
        linear-gradient(180deg, #f3ece2 0%, #faf6ef 42%, #efe8df 100%);
      line-height: 1.72;
      font-size: 16px;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), transform var(--ease), border-color var(--ease), background var(--ease);
    }

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

    button,
    input {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    input {
      border: 0;
      outline: none;
    }

    :focus-visible {
      outline: 3px solid rgba(201, 154, 69, .38);
      outline-offset: 3px;
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      min-height: var(--header-height);
      background: rgba(247, 242, 234, .92);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--color-line);
    }

    .header-inner {
      min-height: var(--header-height);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      flex: 0 0 auto;
      font-weight: 900;
      letter-spacing: 0;
      color: var(--color-graphite);
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      border-radius: var(--radius-sm);
      color: var(--color-paper);
      background: linear-gradient(135deg, var(--color-wine), var(--color-coral));
      box-shadow: 0 9px 20px rgba(111, 29, 44, .22);
      font-size: 18px;
      font-weight: 900;
    }

    .brand-text {
      font-size: 19px;
      white-space: nowrap;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      list-style: none;
    }

    .nav-links a {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 0 14px;
      border-radius: var(--radius-sm);
      color: #4a433c;
      font-weight: 700;
      font-size: 15px;
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: 7px;
      height: 2px;
      background: var(--color-gold);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform var(--ease);
    }

    .nav-links a:hover {
      color: var(--color-wine);
      transform: translateY(-1px);
      background: rgba(111, 29, 44, .06);
    }

    .nav-links a:hover::after,
    .nav-links a.active::after {
      transform: scaleX(1);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex: 0 0 auto;
    }

    .search-mini {
      display: flex;
      align-items: center;
      width: 220px;
      height: 42px;
      padding: 0 12px;
      gap: 8px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-sm);
      background: rgba(255, 250, 242, .82);
      color: var(--color-muted);
    }

    .search-mini input {
      width: 100%;
      min-width: 0;
      background: transparent;
      color: var(--color-ink);
      font-size: 14px;
    }

    .search-mini input::placeholder {
      color: #9a9085;
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: var(--radius-sm);
      background: var(--color-graphite);
      color: var(--color-paper);
      font-size: 22px;
      line-height: 1;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 18px;
      border-radius: var(--radius-sm);
      font-weight: 800;
      border: 1px solid transparent;
      transition: transform var(--ease), background var(--ease), color var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .btn-primary {
      color: var(--color-paper);
      background: var(--color-wine);
      box-shadow: 0 10px 24px rgba(111, 29, 44, .22);
    }

    .btn-primary:hover {
      background: var(--color-wine-dark);
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
    }

    .btn-ghost {
      color: var(--color-wine);
      background: rgba(111, 29, 44, .06);
      border-color: rgba(111, 29, 44, .16);
    }

    .btn-ghost:hover {
      background: rgba(111, 29, 44, .11);
      transform: translateY(-2px);
    }

    .article-banner {
      position: relative;
      padding: 54px 0 42px;
      overflow: hidden;
      color: var(--color-paper);
      background: #211b19;
    }

    .article-banner::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(23, 20, 19, .91), rgba(23, 20, 19, .72), rgba(23, 20, 19, .46)),
        url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
      transform: scale(1.02);
    }

    .article-banner::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 1px;
      background: rgba(255, 250, 242, .18);
    }

    .banner-inner {
      position: relative;
      z-index: 1;
      max-width: 920px;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      margin-bottom: 18px;
      color: rgba(255, 250, 242, .78);
      font-size: 14px;
    }

    .breadcrumb a:hover {
      color: var(--color-gold);
    }

    .crumb-sep {
      color: rgba(255, 250, 242, .42);
    }

    .banner-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 14px;
      padding: 6px 10px;
      border: 1px solid rgba(201, 154, 69, .32);
      border-radius: 999px;
      background: rgba(255, 250, 242, .10);
      color: #ead4a4;
      font-size: 13px;
      font-weight: 800;
    }

    .article-banner h1 {
      max-width: 880px;
      font-size: 38px;
      line-height: 1.22;
      letter-spacing: 0;
      font-weight: 900;
    }

    .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
      color: rgba(255, 250, 242, .80);
      font-size: 14px;
    }

    .article-meta span {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 10px;
      border-radius: 999px;
      background: rgba(255, 250, 242, .10);
      border: 1px solid rgba(255, 250, 242, .14);
    }

    .main {
      padding: 44px 0 64px;
    }

    .article-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 310px;
      gap: 30px;
      align-items: start;
    }

    .article-shell {
      min-width: 0;
    }

    .reader-card,
    .side-card,
    .related-card,
    .notice-card,
    .cta-panel {
      border: 1px solid var(--color-line);
      border-radius: var(--radius);
      background: rgba(255, 250, 242, .82);
      box-shadow: var(--shadow-soft);
    }

    .reader-card {
      padding: 34px;
    }

    .reader-cover {
      margin-bottom: 28px;
      overflow: hidden;
      border-radius: var(--radius);
      border: 1px solid rgba(36, 31, 29, .10);
      background: #ddd3c6;
    }

    .reader-cover img {
      aspect-ratio: 16 / 8;
      object-fit: cover;
      transition: transform 420ms ease;
    }

    .reader-cover:hover img {
      transform: scale(1.025);
    }

    .content-status {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 18px;
      padding: 7px 11px;
      border-radius: 999px;
      background: rgba(111, 29, 44, .08);
      color: var(--color-wine);
      font-weight: 800;
      font-size: 13px;
    }

    .article-content {
      color: #332d29;
      font-size: 17px;
      line-height: 1.92;
      word-break: break-word;
    }

    .article-content h2,
    .article-content h3,
    .article-content h4 {
      color: var(--color-graphite);
      line-height: 1.35;
      letter-spacing: 0;
      margin: 32px 0 14px;
      font-weight: 900;
    }

    .article-content h2 {
      padding-left: 14px;
      border-left: 4px solid var(--color-wine);
      font-size: 25px;
    }

    .article-content h3 {
      font-size: 21px;
    }

    .article-content p {
      margin: 0 0 18px;
    }

    .article-content a {
      color: var(--color-wine);
      font-weight: 800;
      border-bottom: 1px solid rgba(111, 29, 44, .28);
    }

    .article-content a:hover {
      color: var(--color-coral);
      border-color: var(--color-coral);
    }

    .article-content ul,
    .article-content ol {
      margin: 16px 0 20px 22px;
    }

    .article-content li {
      margin: 8px 0;
    }

    .article-content blockquote {
      margin: 26px 0;
      padding: 20px 22px;
      border-left: 4px solid var(--color-gold);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      background: rgba(201, 154, 69, .10);
      color: #514840;
      font-weight: 700;
    }

    .article-content img {
      margin: 24px 0;
      border-radius: var(--radius);
      border: 1px solid var(--color-line);
    }

    .article-content hr {
      height: 1px;
      margin: 30px 0;
      border: 0;
      background: var(--color-line);
    }

    .empty-state {
      padding: 34px;
      text-align: center;
      border: 1px dashed rgba(111, 29, 44, .28);
      border-radius: var(--radius);
      background: rgba(111, 29, 44, .05);
    }

    .empty-state h2 {
      margin-bottom: 10px;
      font-size: 24px;
      color: var(--color-graphite);
    }

    .empty-state p {
      margin-bottom: 20px;
      color: var(--color-muted);
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 28px;
      padding-top: 22px;
      border-top: 1px solid var(--color-line);
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 10px;
      border-radius: 999px;
      background: rgba(36, 31, 29, .06);
      color: #514840;
      font-size: 13px;
      font-weight: 800;
    }

    .tag.hot {
      background: rgba(111, 29, 44, .09);
      color: var(--color-wine);
    }

    .article-nav {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-top: 18px;
    }

    .nav-card {
      padding: 18px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius);
      background: rgba(255, 250, 242, .74);
      min-height: 104px;
    }

    .nav-card small {
      display: block;
      margin-bottom: 7px;
      color: var(--color-muted);
      font-weight: 800;
    }

    .nav-card strong {
      display: block;
      color: var(--color-graphite);
      line-height: 1.45;
    }

    .nav-card:hover {
      transform: translateY(-2px);
      border-color: rgba(111, 29, 44, .24);
      box-shadow: var(--shadow-soft);
    }

    .section {
      margin-top: 30px;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 18px;
    }

    .section-title {
      font-size: 26px;
      line-height: 1.25;
      font-weight: 900;
      color: var(--color-graphite);
    }

    .section-note {
      color: var(--color-muted);
      font-size: 14px;
    }

    .related-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .related-card {
      overflow: hidden;
      background: var(--color-paper);
    }

    .related-card img {
      aspect-ratio: 4 / 3;
      object-fit: cover;
    }

    .related-body {
      padding: 16px;
    }

    .related-body h3 {
      min-height: 50px;
      font-size: 17px;
      line-height: 1.45;
      color: var(--color-graphite);
      font-weight: 900;
    }

    .related-body p {
      margin-top: 9px;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.65;
    }

    .related-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(111, 29, 44, .22);
    }

    .notice-card {
      margin-top: 24px;
      padding: 22px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      align-items: center;
      background:
        linear-gradient(135deg, rgba(111, 29, 44, .08), rgba(201, 154, 69, .10)),
        rgba(255, 250, 242, .86);
    }

    .notice-card h2 {
      font-size: 22px;
      color: var(--color-graphite);
      line-height: 1.3;
      margin-bottom: 8px;
    }

    .notice-card p {
      color: var(--color-muted);
    }

    .sidebar {
      position: sticky;
      top: calc(var(--header-height) + 22px);
      display: grid;
      gap: 18px;
    }

    .side-card {
      padding: 20px;
    }

    .side-card h2 {
      margin-bottom: 14px;
      font-size: 18px;
      line-height: 1.35;
      color: var(--color-graphite);
      font-weight: 900;
    }

    .toc-list,
    .hot-list,
    .side-links {
      display: grid;
      gap: 10px;
      list-style: none;
    }

    .toc-list a,
    .hot-list a,
    .side-links a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 11px 12px;
      border-radius: var(--radius-sm);
      background: rgba(36, 31, 29, .04);
      color: #4c443e;
      font-weight: 800;
      font-size: 14px;
    }

    .toc-list a:hover,
    .hot-list a:hover,
    .side-links a:hover {
      background: rgba(111, 29, 44, .08);
      color: var(--color-wine);
      transform: translateX(2px);
    }

    .rank {
      display: inline-grid;
      place-items: center;
      width: 24px;
      height: 24px;
      border-radius: 999px;
      background: var(--color-graphite);
      color: var(--color-paper);
      font-size: 12px;
      flex: 0 0 auto;
    }

    .side-image {
      overflow: hidden;
      padding: 0;
    }

    .side-image img {
      aspect-ratio: 4 / 5;
      object-fit: cover;
    }

    .side-image-body {
      padding: 18px;
    }

    .side-image-body p {
      color: var(--color-muted);
      font-size: 14px;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border: 1px solid var(--color-line);
      border-radius: var(--radius);
      background: rgba(255, 250, 242, .78);
      overflow: hidden;
    }

    .faq-item summary {
      cursor: pointer;
      padding: 16px 18px;
      color: var(--color-graphite);
      font-weight: 900;
      list-style: none;
    }

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

    .faq-item summary::after {
      content: "+";
      float: right;
      color: var(--color-wine);
      font-weight: 900;
    }

    .faq-item[open] summary::after {
      content: "-";
    }

    .faq-item p {
      padding: 0 18px 18px;
      color: var(--color-muted);
      font-size: 15px;
    }

    .cta-panel {
      margin-top: 30px;
      padding: 28px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 20px;
      align-items: center;
      color: var(--color-paper);
      background:
        linear-gradient(135deg, rgba(23, 20, 19, .94), rgba(111, 29, 44, .88)),
        url("/assets/images/backpic/back-3.webp") center / cover no-repeat;
      overflow: hidden;
    }

    .cta-panel h2 {
      font-size: 25px;
      line-height: 1.32;
      margin-bottom: 8px;
    }

    .cta-panel p {
      color: rgba(255, 250, 242, .78);
    }

    .cta-actions {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .site-footer {
      padding: 48px 0 26px;
      color: rgba(255, 250, 242, .78);
      background: #1d1817;
      border-top: 1px solid rgba(255, 250, 242, .10);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr .75fr .85fr .85fr;
      gap: 32px;
      padding-bottom: 28px;
    }

    .footer-brand {
      margin-bottom: 12px;
      color: var(--color-paper);
      font-size: 22px;
      font-weight: 900;
    }

    .footer-desc {
      max-width: 380px;
      color: rgba(255, 250, 242, .68);
      font-size: 14px;
    }

    .footer-col h3 {
      margin-bottom: 12px;
      color: var(--color-paper);
      font-size: 15px;
      font-weight: 900;
    }

    .footer-col a {
      display: block;
      width: fit-content;
      margin: 8px 0;
      color: rgba(255, 250, 242, .66);
      font-size: 14px;
    }

    .footer-col a:hover {
      color: var(--color-gold);
      transform: translateX(2px);
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding-top: 20px;
      border-top: 1px solid rgba(255, 250, 242, .10);
      color: rgba(255, 250, 242, .58);
      font-size: 13px;
    }

    @media (max-width: 1200px) {
      .container {
        width: min(100% - 32px, 1080px);
      }

      .search-mini {
        width: 190px;
      }

      .article-layout {
        grid-template-columns: minmax(0, 1fr) 280px;
        gap: 24px;
      }
    }

    @media (max-width: 992px) {
      .header-inner {
        flex-wrap: wrap;
        padding: 12px 0;
      }

      .menu-toggle {
        display: inline-grid;
        place-items: center;
      }

      .site-header nav {
        order: 4;
        width: 100%;
        display: none;
      }

      .site-header.is-open nav {
        display: block;
      }

      .nav-links {
        align-items: stretch;
        justify-content: flex-start;
        flex-direction: column;
        padding: 10px;
        border: 1px solid var(--color-line);
        border-radius: var(--radius);
        background: var(--color-paper);
      }

      .nav-links a {
        width: 100%;
        justify-content: space-between;
      }

      .search-mini {
        width: 240px;
      }

      .article-layout {
        grid-template-columns: 1fr;
      }

      .sidebar {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .side-image {
        display: none;
      }

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

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

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

    @media (max-width: 768px) {
      :root {
        --header-height: 68px;
      }

      .container {
        width: min(100% - 24px, 720px);
      }

      .brand-text {
        font-size: 17px;
      }

      .header-actions .btn {
        display: none;
      }

      .search-mini {
        width: min(54vw, 230px);
      }

      .article-banner {
        padding: 38px 0 34px;
      }

      .article-banner h1 {
        font-size: 29px;
      }

      .main {
        padding: 30px 0 48px;
      }

      .reader-card {
        padding: 22px;
      }

      .reader-cover img {
        aspect-ratio: 16 / 10;
      }

      .article-content {
        font-size: 16px;
        line-height: 1.86;
      }

      .article-content h2 {
        font-size: 22px;
      }

      .article-nav,
      .notice-card,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      .cta-actions {
        justify-content: flex-start;
      }

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

      .section-head {
        align-items: flex-start;
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      body {
        font-size: 15px;
      }

      .container {
        width: min(100% - 20px, 480px);
      }

      .header-inner {
        gap: 10px;
      }

      .brand-mark {
        width: 34px;
        height: 34px;
        font-size: 16px;
      }

      .search-mini {
        order: 3;
        width: 100%;
      }

      .menu-toggle {
        margin-left: auto;
      }

      .article-banner h1 {
        font-size: 25px;
      }

      .breadcrumb {
        font-size: 13px;
      }

      .article-meta span {
        max-width: 100%;
      }

      .reader-card,
      .notice-card,
      .cta-panel {
        padding: 18px;
      }

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

      .related-body h3 {
        min-height: auto;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 22px;
      }

      .btn {
        width: 100%;
      }
    }

/* roulang page: category1 */
:root {
      --ink: #181515;
      --ink-soft: #3e3633;
      --muted: #756b66;
      --brand: #641b23;
      --brand-strong: #4d1219;
      --accent: #c7954b;
      --accent-soft: #f4e3c7;
      --warm: #f7f3ee;
      --surface: #fffaf4;
      --surface-2: #eee7df;
      --line: #dfd2c6;
      --danger: #a84632;
      --white: #ffffff;
      --radius: 8px;
      --radius-sm: 6px;
      --shadow: 0 16px 38px rgba(43, 25, 19, .10);
      --shadow-soft: 0 8px 22px rgba(43, 25, 19, .08);
      --container: 1180px;
      --ease: 180ms ease;
    }

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

    html {
      scroll-behavior: smooth;
      background: var(--warm);
    }

    body {
      font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 12% 0%, rgba(199, 149, 75, .13), transparent 28%),
        linear-gradient(180deg, #fbf7f1 0%, #f1e9df 100%);
      line-height: 1.72;
      font-size: 16px;
      min-width: 320px;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), transform var(--ease), border-color var(--ease), background var(--ease);
    }

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

    button,
    input,
    select {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
      background: none;
    }

    input,
    select {
      width: 100%;
      border: 1px solid var(--line);
      background: var(--white);
      color: var(--ink);
      border-radius: var(--radius-sm);
      padding: 12px 14px;
      outline: none;
      transition: border-color var(--ease), box-shadow var(--ease);
    }

    input:focus,
    select:focus,
    button:focus-visible,
    a:focus-visible {
      outline: 3px solid rgba(199, 149, 75, .35);
      outline-offset: 3px;
    }

    .container {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 30;
      background: rgba(255, 250, 244, .92);
      border-bottom: 1px solid rgba(223, 210, 198, .72);
      backdrop-filter: blur(16px);
    }

    .header-inner {
      min-height: 74px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex: 0 0 auto;
      font-weight: 900;
      letter-spacing: 0;
      color: var(--brand);
      font-size: 20px;
      white-space: nowrap;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 7px;
      background: linear-gradient(135deg, var(--brand), #9c3a31);
      color: var(--accent-soft);
      font-size: 15px;
      box-shadow: 0 10px 20px rgba(100, 27, 35, .18);
    }

    nav {
      flex: 1 1 auto;
    }

    .nav-links {
      list-style: none;
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 8px;
    }

    .nav-links a {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 40px;
      padding: 0 14px;
      border-radius: 999px;
      color: var(--ink-soft);
      font-weight: 700;
      font-size: 15px;
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 5px;
      height: 2px;
      border-radius: 999px;
      background: var(--accent);
      transform: scaleX(0);
      transform-origin: center;
      transition: transform var(--ease);
    }

    .nav-links a:hover {
      color: var(--brand);
      background: rgba(100, 27, 35, .06);
      transform: translateY(-1px);
    }

    .nav-links a:hover::after,
    .nav-links a.active::after {
      transform: scaleX(1);
    }

    .nav-links a.active {
      color: var(--brand);
      background: rgba(100, 27, 35, .08);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex: 0 0 auto;
    }

    .search-pill {
      width: 170px;
      min-height: 40px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 12px;
      border: 1px solid var(--line);
      border-radius: 999px;
      color: var(--muted);
      background: var(--white);
      font-size: 14px;
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--line);
      background: var(--white);
      color: var(--brand);
      font-weight: 900;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 18px;
      border-radius: var(--radius-sm);
      font-weight: 800;
      border: 1px solid transparent;
      transition: transform var(--ease), background var(--ease), color var(--ease), box-shadow var(--ease), border-color var(--ease);
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--brand);
      color: var(--white);
      box-shadow: 0 12px 24px rgba(100, 27, 35, .18);
    }

    .btn-primary:hover {
      background: var(--brand-strong);
      transform: translateY(-2px);
      box-shadow: 0 16px 28px rgba(100, 27, 35, .23);
    }

    .btn-secondary {
      background: var(--accent-soft);
      color: var(--brand);
      border-color: rgba(199, 149, 75, .55);
    }

    .btn-secondary:hover {
      background: #ecd2a5;
      transform: translateY(-2px);
    }

    .btn-ghost {
      background: transparent;
      color: var(--brand);
      border-color: var(--line);
    }

    .btn-ghost:hover {
      background: var(--surface);
      border-color: var(--accent);
      transform: translateY(-2px);
    }

    .section {
      padding: 74px 0;
    }

    .section-tight {
      padding: 48px 0;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      gap: 24px;
      margin-bottom: 28px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--brand);
      font-weight: 900;
      font-size: 14px;
      margin-bottom: 10px;
    }

    .eyebrow::before {
      content: "";
      width: 26px;
      height: 2px;
      background: var(--accent);
      border-radius: 999px;
    }

    h1,
    h2,
    h3 {
      line-height: 1.25;
      color: var(--ink);
      letter-spacing: 0;
    }

    h1 {
      font-size: 42px;
      max-width: 800px;
    }

    h2 {
      font-size: 30px;
    }

    h3 {
      font-size: 20px;
    }

    .lead {
      color: var(--ink-soft);
      font-size: 18px;
      max-width: 760px;
      margin-top: 18px;
    }

    .muted {
      color: var(--muted);
    }

    .category-hero {
      position: relative;
      overflow: hidden;
      min-height: 440px;
      background:
        linear-gradient(90deg, rgba(24, 21, 21, .88), rgba(24, 21, 21, .58), rgba(24, 21, 21, .24)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      color: var(--white);
    }

    .category-hero::after {
      content: "";
      position: absolute;
      inset: auto 0 0 0;
      height: 110px;
      background: linear-gradient(180deg, transparent, rgba(247, 243, 238, .98));
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      padding: 76px 0 96px;
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(300px, .72fr);
      gap: 42px;
      align-items: end;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 18px;
      color: rgba(255, 255, 255, .78);
      font-size: 14px;
    }

    .breadcrumb a:hover {
      color: var(--accent-soft);
    }

    .category-hero h1,
    .category-hero .lead {
      color: var(--white);
      text-shadow: 0 3px 18px rgba(0, 0, 0, .22);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }

    .hero-panel {
      background: rgba(255, 250, 244, .94);
      border: 1px solid rgba(255, 255, 255, .55);
      border-radius: var(--radius);
      padding: 20px;
      box-shadow: var(--shadow);
      color: var(--ink);
    }

    .hero-panel img {
      width: 100%;
      aspect-ratio: 16 / 10;
      object-fit: cover;
      border-radius: var(--radius-sm);
      margin-bottom: 16px;
    }

    .stats-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      margin-top: 18px;
    }

    .stat {
      padding: 12px;
      border-radius: var(--radius-sm);
      background: rgba(100, 27, 35, .07);
      border: 1px solid rgba(100, 27, 35, .10);
    }

    .stat strong {
      display: block;
      color: var(--brand);
      font-size: 20px;
      line-height: 1.1;
    }

    .stat span {
      color: var(--muted);
      font-size: 13px;
    }

    .filter-band {
      margin-top: -46px;
      position: relative;
      z-index: 4;
    }

    .filter-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 20px;
      display: grid;
      grid-template-columns: 1.1fr .9fr .9fr auto;
      gap: 14px;
      align-items: end;
    }

    .field label {
      display: block;
      font-size: 13px;
      color: var(--muted);
      margin-bottom: 6px;
      font-weight: 700;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }

    .tag,
    .badge {
      display: inline-flex;
      align-items: center;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: var(--white);
      color: var(--ink-soft);
      padding: 7px 12px;
      font-size: 13px;
      font-weight: 700;
    }

    .badge {
      border-color: rgba(199, 149, 75, .45);
      background: var(--accent-soft);
      color: var(--brand);
    }

    .split {
      display: grid;
      grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
      gap: 34px;
      align-items: center;
    }

    .media-frame {
      position: relative;
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      border: 1px solid var(--line);
      background: var(--surface);
    }

    .media-frame img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
    }

    .media-caption {
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 18px;
      padding: 14px 16px;
      border-radius: var(--radius-sm);
      color: var(--white);
      background: rgba(24, 21, 21, .78);
      backdrop-filter: blur(10px);
    }

    .feature-list {
      display: grid;
      gap: 14px;
      margin-top: 24px;
    }

    .feature-item {
      display: grid;
      grid-template-columns: 40px 1fr;
      gap: 14px;
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 250, 244, .78);
    }

    .feature-icon {
      width: 40px;
      height: 40px;
      border-radius: var(--radius-sm);
      background: var(--brand);
      color: var(--accent-soft);
      display: grid;
      place-items: center;
      font-weight: 900;
    }

    .card-grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 18px;
    }

    .topic-card {
      grid-column: span 4;
      overflow: hidden;
      border-radius: var(--radius);
      background: var(--surface);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .topic-card:nth-child(1) {
      grid-column: span 5;
    }

    .topic-card:nth-child(2) {
      grid-column: span 7;
    }

    .topic-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow);
      border-color: rgba(199, 149, 75, .65);
    }

    .topic-card img {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
    }

    .topic-body {
      padding: 18px;
    }

    .meta-line {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
      color: var(--muted);
      font-size: 13px;
      margin: 10px 0 12px;
    }

    .topic-body p {
      color: var(--muted);
      margin-bottom: 16px;
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      color: var(--brand);
      font-weight: 900;
      border-bottom: 2px solid rgba(199, 149, 75, .45);
    }

    .text-link:hover {
      color: var(--brand-strong);
      border-color: var(--brand);
      transform: translateX(2px);
    }

    .process {
      background: var(--ink);
      color: var(--white);
      position: relative;
      overflow: hidden;
    }

    .process h2,
    .process h3 {
      color: var(--white);
    }

    .process .muted,
    .process p {
      color: rgba(255, 255, 255, .72);
    }

    .steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 30px;
    }

    .step {
      min-height: 220px;
      padding: 20px;
      border-radius: var(--radius);
      border: 1px solid rgba(255, 255, 255, .14);
      background: rgba(255, 255, 255, .06);
    }

    .step-num {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: var(--ink);
      background: var(--accent-soft);
      font-weight: 900;
      margin-bottom: 18px;
    }

    .rank-list {
      display: grid;
      gap: 12px;
    }

    .rank-item {
      display: grid;
      grid-template-columns: 54px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 16px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: var(--surface);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .rank-item:hover {
      transform: translateY(-2px);
      border-color: rgba(199, 149, 75, .7);
      box-shadow: var(--shadow-soft);
    }

    .rank-num {
      width: 40px;
      height: 40px;
      display: grid;
      place-items: center;
      border-radius: var(--radius-sm);
      background: var(--brand);
      color: var(--white);
      font-weight: 900;
    }

    .rank-item h3 {
      font-size: 18px;
      margin-bottom: 3px;
    }

    .rank-heat {
      color: var(--danger);
      font-weight: 900;
      white-space: nowrap;
    }

    .notice {
      padding: 22px;
      border-radius: var(--radius);
      background: linear-gradient(135deg, rgba(100, 27, 35, .08), rgba(199, 149, 75, .18));
      border: 1px solid rgba(199, 149, 75, .35);
    }

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

    .faq-item {
      border: 1px solid var(--line);
      background: var(--surface);
      border-radius: var(--radius);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px;
      color: var(--ink);
      font-weight: 900;
      text-align: left;
    }

    .faq-question span:last-child {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: var(--accent-soft);
      color: var(--brand);
      flex: 0 0 auto;
    }

    .faq-answer {
      display: none;
      padding: 0 18px 18px;
      color: var(--muted);
    }

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

    .faq-item.open .faq-question span:last-child {
      background: var(--brand);
      color: var(--white);
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius);
      padding: 42px;
      background:
        linear-gradient(90deg, rgba(100, 27, 35, .94), rgba(100, 27, 35, .78)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      color: var(--white);
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: center;
      box-shadow: var(--shadow);
    }

    .cta-panel h2,
    .cta-panel p {
      color: var(--white);
    }

    .cta-panel p {
      color: rgba(255, 255, 255, .78);
      margin-top: 10px;
      max-width: 680px;
    }

    .site-footer {
      background: #181515;
      color: rgba(255, 255, 255, .78);
      padding: 56px 0 24px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr .75fr .75fr .75fr;
      gap: 34px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255, 255, 255, .12);
    }

    .footer-brand {
      color: var(--white);
      font-size: 22px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .footer-desc {
      max-width: 360px;
      color: rgba(255, 255, 255, .66);
    }

    .footer-col h3 {
      color: var(--accent-soft);
      font-size: 16px;
      margin-bottom: 12px;
    }

    .footer-col a {
      display: block;
      color: rgba(255, 255, 255, .68);
      margin: 8px 0;
      font-size: 14px;
    }

    .footer-col a:hover {
      color: var(--accent-soft);
      transform: translateX(2px);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding-top: 20px;
      color: rgba(255, 255, 255, .56);
      font-size: 13px;
    }

    @media (max-width: 1200px) {
      .search-pill {
        width: 142px;
      }

      h1 {
        font-size: 38px;
      }
    }

    @media (max-width: 992px) {
      .header-inner {
        flex-wrap: wrap;
        padding: 14px 0;
      }

      .menu-toggle {
        display: inline-grid;
        place-items: center;
      }

      nav {
        order: 3;
        flex-basis: 100%;
        display: none;
      }

      nav.is-open {
        display: block;
      }

      .nav-links {
        justify-content: flex-start;
        flex-wrap: wrap;
        padding: 10px 0 4px;
      }

      .search-pill {
        display: none;
      }

      .hero-inner,
      .split,
      .cta-panel {
        grid-template-columns: 1fr;
      }

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

      .filter-card .btn {
        grid-column: 1 / -1;
      }

      .topic-card,
      .topic-card:nth-child(1),
      .topic-card:nth-child(2) {
        grid-column: span 6;
      }

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

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

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .section {
        padding: 56px 0;
      }

      .category-hero {
        min-height: auto;
      }

      .hero-inner {
        padding: 50px 0 86px;
        gap: 26px;
      }

      h1 {
        font-size: 32px;
      }

      h2 {
        font-size: 25px;
      }

      .lead {
        font-size: 16px;
      }

      .section-head {
        display: block;
      }

      .filter-card,
      .stats-row,
      .faq-grid {
        grid-template-columns: 1fr;
      }

      .topic-card,
      .topic-card:nth-child(1),
      .topic-card:nth-child(2) {
        grid-column: span 12;
      }

      .rank-item {
        grid-template-columns: 44px 1fr;
      }

      .rank-heat {
        grid-column: 2;
      }

      .footer-bottom {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .brand {
        font-size: 18px;
      }

      .header-actions .btn {
        display: none;
      }

      .nav-links {
        display: grid;
        grid-template-columns: 1fr;
        gap: 6px;
      }

      .nav-links a {
        width: 100%;
        justify-content: center;
      }

      h1 {
        font-size: 28px;
      }

      .hero-actions,
      .tag-row {
        flex-direction: column;
        align-items: stretch;
      }

      .btn {
        width: 100%;
      }

      .hero-panel,
      .filter-card,
      .topic-body,
      .notice,
      .cta-panel {
        padding: 18px;
      }

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

/* roulang page: category2 */
:root {
      --bg: #f5f1ec;
      --bg-soft: #fffaf3;
      --panel: #ffffff;
      --panel-strong: #2a1b1b;
      --text: #211b18;
      --muted: #766b64;
      --light: #f9efe2;
      --line: rgba(42, 27, 27, .13);
      --primary: #6f1d1b;
      --primary-dark: #4b1211;
      --accent: #c69a4a;
      --accent-soft: #f2dfb7;
      --warm: #c8583d;
      --cool: #687078;
      --radius: 8px;
      --radius-sm: 6px;
      --shadow: 0 18px 45px rgba(39, 24, 18, .10);
      --shadow-sm: 0 10px 24px rgba(39, 24, 18, .08);
      --container: 1180px;
      --header-h: 76px;
      --ease: all .22s ease;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      min-width: 320px;
      background:
        radial-gradient(circle at 8% 0%, rgba(198, 154, 74, .14), transparent 28%),
        linear-gradient(180deg, #f7f2ea 0%, var(--bg) 54%, #eee7de 100%);
      color: var(--text);
      font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.75;
      letter-spacing: 0;
    }

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

    img {
      display: block;
      width: 100%;
      height: auto;
    }

    button,
    input,
    select {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
      background: none;
    }

    input,
    select {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: #fff;
      color: var(--text);
      outline: none;
      transition: var(--ease);
    }

    input:focus,
    select:focus,
    button:focus-visible,
    a:focus-visible {
      outline: 3px solid rgba(198, 154, 74, .36);
      outline-offset: 3px;
    }

    .container {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 250, 243, .94);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(18px);
    }

    .header-inner {
      min-height: var(--header-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      flex: 0 0 auto;
      font-weight: 900;
      color: var(--primary-dark);
      white-space: nowrap;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--primary) 0%, #2b1716 62%, var(--accent) 100%);
      color: #fff8ea;
      font-size: 18px;
      box-shadow: var(--shadow-sm);
    }

    .brand-text {
      font-size: 19px;
      letter-spacing: 0;
    }

    nav {
      flex: 1;
      display: flex;
      justify-content: center;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      list-style: none;
      padding: 6px;
      border: 1px solid rgba(111, 29, 27, .09);
      border-radius: 999px;
      background: rgba(255, 255, 255, .58);
    }

    .nav-links a {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 0 15px;
      border-radius: 999px;
      color: #4b403a;
      font-size: 14px;
      font-weight: 700;
      transition: var(--ease);
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 6px;
      height: 2px;
      background: var(--accent);
      transform: scaleX(0);
      transform-origin: center;
      transition: var(--ease);
    }

    .nav-links a:hover {
      color: var(--primary);
      transform: translateY(-1px);
      background: rgba(198, 154, 74, .12);
    }

    .nav-links a:hover::after {
      transform: scaleX(1);
    }

    .nav-links a.active {
      background: var(--primary);
      color: #fff8ea;
      box-shadow: 0 10px 22px rgba(111, 29, 27, .18);
    }

    .nav-links a.active::after {
      display: none;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex: 0 0 auto;
    }

    .search-mini {
      width: 174px;
      height: 40px;
      padding: 0 14px;
      background: #fff;
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--line);
      background: #fff;
      color: var(--primary);
      font-size: 22px;
      transition: var(--ease);
    }

    .menu-toggle:hover {
      border-color: rgba(111, 29, 27, .28);
      background: var(--light);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 18px;
      border-radius: var(--radius-sm);
      font-weight: 800;
      transition: var(--ease);
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--primary);
      color: #fffaf0;
      box-shadow: 0 12px 24px rgba(111, 29, 27, .18);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 16px 28px rgba(111, 29, 27, .23);
    }

    .btn-secondary {
      background: #fff;
      color: var(--primary);
      border-color: rgba(111, 29, 27, .18);
    }

    .btn-secondary:hover {
      background: var(--light);
      border-color: rgba(111, 29, 27, .34);
      transform: translateY(-2px);
    }

    .btn-ghost {
      color: var(--primary);
      border-color: rgba(198, 154, 74, .42);
      background: rgba(255, 250, 243, .72);
    }

    .btn-ghost:hover {
      background: var(--accent-soft);
      transform: translateY(-2px);
    }

    .section {
      padding: 72px 0;
    }

    .section.tight {
      padding: 48px 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 28px;
    }

    .section-kicker {
      display: inline-flex;
      margin-bottom: 10px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 900;
    }

    .section-title {
      font-size: 32px;
      line-height: 1.28;
      font-weight: 900;
      color: #231817;
    }

    .section-desc {
      max-width: 720px;
      margin-top: 10px;
      color: var(--muted);
    }

    .category-hero {
      position: relative;
      overflow: hidden;
      min-height: 430px;
      display: flex;
      align-items: center;
      background:
        linear-gradient(90deg, rgba(27, 17, 16, .88) 0%, rgba(58, 26, 22, .72) 48%, rgba(58, 26, 22, .38) 100%),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      color: #fffaf2;
    }

    .category-hero::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 92px;
      background: linear-gradient(180deg, transparent, rgba(245, 241, 236, .98));
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
      padding: 74px 0 92px;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 20px;
      color: rgba(255, 250, 242, .76);
      font-size: 14px;
    }

    .breadcrumb a {
      color: #fff5df;
      border-bottom: 1px solid rgba(255, 245, 223, .35);
      transition: var(--ease);
    }

    .breadcrumb a:hover {
      color: var(--accent-soft);
      border-color: var(--accent-soft);
    }

    .hero-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 14px;
      padding: 6px 11px;
      border: 1px solid rgba(255, 250, 242, .22);
      border-radius: 999px;
      background: rgba(255, 250, 242, .12);
      color: #ffe9ba;
      font-size: 13px;
      font-weight: 800;
    }

    h1 {
      max-width: 780px;
      font-size: 44px;
      line-height: 1.18;
      font-weight: 900;
      letter-spacing: 0;
    }

    .hero-lead {
      max-width: 720px;
      margin-top: 18px;
      color: rgba(255, 250, 242, .88);
      font-size: 18px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }

    .hero-stats {
      display: grid;
      grid-template-columns: repeat(4, minmax(120px, 1fr));
      gap: 12px;
      width: min(820px, 100%);
      margin-top: 34px;
    }

    .stat {
      padding: 15px 16px;
      border: 1px solid rgba(255, 250, 242, .18);
      border-radius: var(--radius);
      background: rgba(255, 250, 242, .10);
      backdrop-filter: blur(12px);
    }

    .stat strong {
      display: block;
      color: #fff6e5;
      font-size: 23px;
      line-height: 1.2;
    }

    .stat span {
      display: block;
      margin-top: 4px;
      color: rgba(255, 250, 242, .72);
      font-size: 13px;
    }

    .filter-panel {
      position: relative;
      z-index: 5;
      margin-top: -42px;
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 250, 243, .96);
      box-shadow: var(--shadow);
    }

    .filter-form {
      display: grid;
      grid-template-columns: 1.4fr repeat(3, 1fr) auto;
      gap: 12px;
      align-items: end;
    }

    .field label {
      display: block;
      margin-bottom: 7px;
      color: #5a4e47;
      font-size: 13px;
      font-weight: 800;
    }

    .field input,
    .field select {
      height: 44px;
      padding: 0 12px;
    }

    .field input::placeholder {
      color: #a0958d;
    }

    .topic-layout {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 28px;
      align-items: stretch;
    }

    .feature-media {
      position: relative;
      overflow: hidden;
      min-height: 420px;
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .feature-media img {
      height: 100%;
      object-fit: cover;
    }

    .media-caption {
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 18px;
      padding: 18px;
      border-radius: var(--radius-sm);
      background: rgba(35, 24, 23, .78);
      color: #fff7e8;
      backdrop-filter: blur(12px);
    }

    .media-caption b {
      display: block;
      font-size: 20px;
      line-height: 1.35;
    }

    .media-caption p {
      margin-top: 8px;
      color: rgba(255, 247, 232, .78);
      font-size: 14px;
    }

    .insight-stack {
      display: grid;
      gap: 14px;
    }

    .insight-card,
    .content-card,
    .scene-card,
    .flow-step,
    .faq-item {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .78);
      box-shadow: var(--shadow-sm);
      transition: var(--ease);
    }

    .insight-card {
      padding: 22px;
    }

    .insight-card:hover,
    .content-card:hover,
    .scene-card:hover,
    .flow-step:hover {
      transform: translateY(-3px);
      border-color: rgba(111, 29, 27, .22);
      box-shadow: var(--shadow);
    }

    .card-icon {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      margin-bottom: 14px;
      border-radius: var(--radius-sm);
      background: var(--light);
      color: var(--primary);
      font-weight: 900;
    }

    .insight-card h3,
    .content-card h3,
    .scene-card h3,
    .flow-step h3 {
      font-size: 20px;
      line-height: 1.38;
      color: #271918;
    }

    .insight-card p,
    .content-card p,
    .scene-card p,
    .flow-step p {
      margin-top: 8px;
      color: var(--muted);
      font-size: 15px;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .tag,
    .badge {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 0 10px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 800;
    }

    .tag {
      border: 1px solid rgba(111, 29, 27, .14);
      background: #fff6e8;
      color: var(--primary);
    }

    .badge {
      background: rgba(198, 154, 74, .18);
      color: #6f4d18;
    }

    .content-grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 18px;
    }

    .content-card {
      overflow: hidden;
      grid-column: span 4;
    }

    .content-card.wide {
      grid-column: span 6;
      display: grid;
      grid-template-columns: .92fr 1.08fr;
    }

    .card-cover {
      position: relative;
      min-height: 190px;
      background: #ded4c8;
      overflow: hidden;
    }

    .card-cover img {
      height: 100%;
      object-fit: cover;
      transition: transform .35s ease;
    }

    .content-card:hover .card-cover img {
      transform: scale(1.04);
    }

    .cover-badge {
      position: absolute;
      left: 12px;
      top: 12px;
      background: rgba(42, 27, 27, .78);
      color: #fff5e2;
      border: 1px solid rgba(255, 255, 255, .18);
    }

    .card-body {
      padding: 18px;
    }

    .meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px 12px;
      margin-top: 14px;
      color: #8b7d73;
      font-size: 13px;
      font-weight: 700;
    }

    .card-link {
      display: inline-flex;
      margin-top: 16px;
      color: var(--primary);
      font-weight: 900;
      transition: var(--ease);
    }

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

    .scene-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .scene-card {
      padding: 20px;
      min-height: 220px;
      background:
        linear-gradient(180deg, rgba(255, 250, 243, .92), rgba(255, 255, 255, .86)),
        var(--panel);
    }

    .scene-card .number {
      display: inline-flex;
      margin-bottom: 18px;
      color: var(--accent);
      font-size: 28px;
      line-height: 1;
      font-weight: 900;
    }

    .flow {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      counter-reset: flow;
    }

    .flow-step {
      position: relative;
      padding: 24px;
      overflow: hidden;
    }

    .flow-step::before {
      counter-increment: flow;
      content: "0" counter(flow);
      position: absolute;
      right: 18px;
      top: 14px;
      color: rgba(111, 29, 27, .10);
      font-size: 44px;
      line-height: 1;
      font-weight: 900;
    }

    .flow-step h3,
    .flow-step p {
      position: relative;
      z-index: 1;
    }

    .split-band {
      background: var(--panel-strong);
      color: #fff8ea;
    }

    .split-inner {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 34px;
      align-items: center;
    }

    .split-inner .section-title {
      color: #fff8ea;
    }

    .split-inner .section-desc {
      color: rgba(255, 248, 234, .74);
    }

    .rank-list {
      display: grid;
      gap: 12px;
    }

    .rank-item {
      display: grid;
      grid-template-columns: 48px 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 16px;
      border: 1px solid rgba(255, 248, 234, .12);
      border-radius: var(--radius);
      background: rgba(255, 248, 234, .07);
      transition: var(--ease);
    }

    .rank-item:hover {
      background: rgba(255, 248, 234, .12);
      transform: translateX(3px);
    }

    .rank-no {
      width: 40px;
      height: 40px;
      display: grid;
      place-items: center;
      border-radius: var(--radius-sm);
      background: var(--accent);
      color: #291c15;
      font-weight: 900;
    }

    .rank-item h3 {
      font-size: 17px;
      line-height: 1.35;
    }

    .rank-item p {
      margin-top: 3px;
      color: rgba(255, 248, 234, .66);
      font-size: 14px;
    }

    .heat {
      color: #ffe0a2;
      font-size: 13px;
      font-weight: 900;
      white-space: nowrap;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: .86fr 1.14fr;
      gap: 28px;
      align-items: start;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      overflow: hidden;
      background: #fffdfa;
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 20px;
      color: #2a1b1b;
      font-weight: 900;
      text-align: left;
    }

    .faq-question span:last-child {
      flex: 0 0 auto;
      width: 24px;
      height: 24px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: var(--light);
      color: var(--primary);
      transition: var(--ease);
    }

    .faq-answer {
      display: none;
      padding: 0 20px 18px;
      color: var(--muted);
      font-size: 15px;
    }

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

    .faq-item.open .faq-question span:last-child {
      transform: rotate(45deg);
      background: var(--primary);
      color: #fff;
    }

    .cta {
      padding: 46px;
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(111, 29, 27, .94), rgba(42, 27, 27, .96)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      color: #fff8ea;
      box-shadow: var(--shadow);
    }

    .cta-inner {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: center;
    }

    .cta h2 {
      font-size: 30px;
      line-height: 1.28;
      font-weight: 900;
    }

    .cta p {
      max-width: 720px;
      margin-top: 10px;
      color: rgba(255, 248, 234, .76);
    }

    .cta-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .site-footer {
      padding: 56px 0 26px;
      background: #211716;
      color: rgba(255, 248, 234, .76);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.25fr .75fr .75fr .75fr;
      gap: 32px;
      padding-bottom: 30px;
      border-bottom: 1px solid rgba(255, 248, 234, .12);
    }

    .footer-brand {
      color: #fff8ea;
      font-size: 24px;
      font-weight: 900;
    }

    .footer-desc {
      max-width: 360px;
      margin-top: 12px;
      color: rgba(255, 248, 234, .68);
      font-size: 14px;
    }

    .footer-col h3 {
      margin-bottom: 12px;
      color: #fff8ea;
      font-size: 16px;
    }

    .footer-col a {
      display: block;
      width: fit-content;
      margin-top: 8px;
      color: rgba(255, 248, 234, .66);
      font-size: 14px;
      transition: var(--ease);
    }

    .footer-col a:hover {
      color: var(--accent-soft);
      transform: translateX(3px);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding-top: 22px;
      color: rgba(255, 248, 234, .54);
      font-size: 13px;
    }

    @media (max-width: 1200px) {
      .container,
      .hero-content {
        width: min(100% - 32px, 1060px);
      }

      .search-mini {
        width: 148px;
      }

      .nav-links a {
        padding: 0 12px;
      }

      h1 {
        font-size: 40px;
      }
    }

    @media (max-width: 992px) {
      .header-inner {
        flex-wrap: wrap;
        padding: 14px 0;
      }

      nav {
        order: 3;
        flex-basis: 100%;
        justify-content: flex-start;
      }

      .nav-links {
        width: 100%;
        overflow-x: auto;
        justify-content: flex-start;
        border-radius: var(--radius);
      }

      .search-mini {
        display: none;
      }

      .filter-form,
      .topic-layout,
      .split-inner,
      .faq-grid,
      .cta-inner {
        grid-template-columns: 1fr;
      }

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

      .content-card,
      .content-card.wide {
        grid-column: span 6;
        display: block;
      }

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

      .cta-actions {
        justify-content: flex-start;
      }
    }

    @media (max-width: 768px) {
      :root {
        --header-h: auto;
      }

      .container,
      .hero-content {
        width: min(100% - 24px, var(--container));
      }

      .site-header {
        position: sticky;
      }

      .header-inner {
        min-height: 64px;
      }

      .brand-text {
        font-size: 17px;
      }

      .menu-toggle {
        display: grid;
        place-items: center;
      }

      nav {
        display: none;
      }

      nav.is-open {
        display: flex;
      }

      .nav-links {
        flex-direction: column;
        align-items: stretch;
        padding: 10px;
      }

      .nav-links a {
        justify-content: center;
        border-radius: var(--radius-sm);
      }

      .header-actions .btn {
        display: none;
      }

      .category-hero {
        min-height: 420px;
      }

      .hero-content {
        padding: 54px 0 78px;
      }

      h1 {
        font-size: 32px;
      }

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

      .section {
        padding: 56px 0;
      }

      .section-head {
        display: block;
      }

      .section-title {
        font-size: 26px;
      }

      .filter-panel {
        margin-top: -30px;
      }

      .filter-form,
      .hero-stats,
      .scene-grid,
      .flow,
      .content-grid {
        grid-template-columns: 1fr;
      }

      .content-card,
      .content-card.wide {
        grid-column: span 1;
      }

      .feature-media {
        min-height: 340px;
      }

      .rank-item {
        grid-template-columns: 42px 1fr;
      }

      .heat {
        grid-column: 2;
      }

      .cta {
        padding: 30px 22px;
      }

      .cta h2 {
        font-size: 24px;
      }

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

      .footer-bottom {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      body {
        font-size: 15px;
      }

      .brand-mark {
        width: 34px;
        height: 34px;
      }

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

      .btn {
        width: 100%;
      }

      .stat,
      .insight-card,
      .scene-card,
      .flow-step,
      .card-body {
        padding: 16px;
      }

      .card-cover {
        min-height: 170px;
      }

      .media-caption {
        left: 12px;
        right: 12px;
        bottom: 12px;
        padding: 14px;
      }
    }

/* roulang page: category3 */
:root {
      --bg: #f4f0ea;
      --surface: #fffaf2;
      --surface-2: #eee7dd;
      --ink: #211b19;
      --muted: #6d625d;
      --soft: #948983;
      --line: rgba(64, 48, 42, .14);
      --brand: #321719;
      --brand-2: #7b2630;
      --accent: #c79645;
      --accent-2: #dd6b4d;
      --cool: #4f6266;
      --white: #ffffff;
      --shadow: 0 18px 46px rgba(45, 31, 25, .12);
      --shadow-sm: 0 10px 24px rgba(45, 31, 25, .08);
      --radius: 8px;
      --radius-sm: 6px;
      --container: 1180px;
      --header-h: 74px;
      --ease: 180ms ease;
    }

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

    html {
      scroll-behavior: smooth;
      background: var(--bg);
    }

    body {
      font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
      color: var(--ink);
      background:
        linear-gradient(180deg, rgba(255,250,242,.92), rgba(244,240,234,.98) 420px),
        var(--bg);
      line-height: 1.75;
      font-size: 16px;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), transform var(--ease), border-color var(--ease), background var(--ease);
    }

    img {
      display: block;
      width: 100%;
      height: auto;
    }

    button,
    input,
    select {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    input,
    select {
      outline: none;
    }

    input:focus,
    select:focus,
    button:focus-visible,
    a:focus-visible {
      outline: 3px solid rgba(199, 150, 69, .35);
      outline-offset: 3px;
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      height: var(--header-h);
      background: rgba(255, 250, 242, .92);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
    }

    .header-inner {
      height: var(--header-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: max-content;
      font-weight: 900;
      color: var(--brand);
      letter-spacing: 0;
    }

    .brand-mark {
      width: 36px;
      height: 36px;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--brand), var(--brand-2));
      color: var(--accent);
      display: grid;
      place-items: center;
      font-size: 18px;
      box-shadow: 0 10px 22px rgba(123, 38, 48, .18);
    }

    .nav-links {
      list-style: none;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .nav-links a {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 0 14px;
      border-radius: var(--radius-sm);
      color: var(--muted);
      font-weight: 700;
      white-space: nowrap;
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: 6px;
      height: 2px;
      background: var(--accent);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform var(--ease);
    }

    .nav-links a:hover {
      color: var(--brand-2);
      transform: translateY(-1px);
      background: rgba(123, 38, 48, .06);
    }

    .nav-links a:hover::after,
    .nav-links a.active::after {
      transform: scaleX(1);
    }

    .nav-links a.active {
      color: var(--brand);
      background: rgba(199, 150, 69, .15);
    }

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

    .search-mini {
      width: 178px;
      height: 40px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: var(--white);
      padding: 0 12px;
      color: var(--ink);
    }

    .search-mini::placeholder {
      color: var(--soft);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: var(--radius-sm);
      background: var(--brand);
      color: var(--white);
      font-size: 20px;
      line-height: 1;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 18px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      font-weight: 800;
      color: var(--white);
      background: var(--brand-2);
      box-shadow: 0 12px 24px rgba(123, 38, 48, .16);
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease);
    }

    .btn:hover {
      transform: translateY(-2px);
      background: #67202a;
      box-shadow: var(--shadow-sm);
    }

    .btn.secondary {
      background: var(--surface);
      color: var(--brand);
      border-color: var(--line);
      box-shadow: none;
    }

    .btn.secondary:hover {
      background: #fff3df;
      border-color: rgba(199, 150, 69, .48);
    }

    .btn.gold {
      background: var(--accent);
      color: #21160f;
      box-shadow: 0 12px 24px rgba(199, 150, 69, .22);
    }

    .btn.gold:hover {
      background: #b98534;
    }

    .section {
      padding: 74px 0;
    }

    .section.compact {
      padding: 52px 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 30px;
      margin-bottom: 28px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--brand-2);
      font-size: 14px;
      font-weight: 900;
      margin-bottom: 8px;
    }

    .section-kicker::before {
      content: "";
      width: 20px;
      height: 2px;
      background: var(--accent);
    }

    h1,
    h2,
    h3 {
      line-height: 1.25;
      letter-spacing: 0;
      color: var(--ink);
    }

    h1 {
      font-size: 42px;
      max-width: 820px;
    }

    h2 {
      font-size: 30px;
    }

    h3 {
      font-size: 19px;
    }

    .lead {
      color: var(--muted);
      font-size: 18px;
      max-width: 760px;
      margin-top: 16px;
    }

    .category-hero {
      position: relative;
      min-height: 438px;
      display: flex;
      align-items: center;
      color: var(--white);
      overflow: hidden;
      background: #211b19;
    }

    .category-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(33, 27, 25, .88), rgba(33, 27, 25, .58) 48%, rgba(33, 27, 25, .24)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      transform: scale(1.02);
    }

    .category-hero .container {
      position: relative;
      z-index: 2;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
      color: rgba(255,255,255,.78);
      font-size: 14px;
      margin-bottom: 26px;
    }

    .breadcrumb a:hover {
      color: var(--accent);
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border: 1px solid rgba(255,255,255,.22);
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.09);
      color: #fff3df;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .category-hero h1 {
      color: var(--white);
      text-shadow: 0 16px 36px rgba(0,0,0,.28);
    }

    .category-hero .lead {
      color: rgba(255,255,255,.84);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }

    .hero-note {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 26px;
    }

    .note-chip {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 0 12px;
      border-radius: var(--radius-sm);
      background: rgba(255,250,242,.12);
      border: 1px solid rgba(255,255,255,.16);
      color: rgba(255,255,255,.82);
      font-size: 14px;
      font-weight: 700;
    }

    .filter-panel {
      margin-top: -38px;
      position: relative;
      z-index: 4;
    }

    .filter-box {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 20px;
      display: grid;
      grid-template-columns: 1.1fr .8fr .8fr auto;
      gap: 14px;
      align-items: end;
    }

    .field label {
      display: block;
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 7px;
    }

    .field input,
    .field select {
      width: 100%;
      height: 44px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: var(--white);
      color: var(--ink);
      padding: 0 12px;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .field input:hover,
    .field select:hover,
    .field input:focus,
    .field select:focus {
      border-color: rgba(199, 150, 69, .75);
      box-shadow: 0 0 0 4px rgba(199, 150, 69, .12);
      background: #fffdf8;
    }

    .feature-layout {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 34px;
      align-items: center;
    }

    .feature-media {
      position: relative;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
      background: var(--surface-2);
    }

    .feature-media img {
      aspect-ratio: 4 / 3;
      object-fit: cover;
    }

    .media-label {
      position: absolute;
      left: 16px;
      bottom: 16px;
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      color: var(--white);
      background: rgba(33, 27, 25, .78);
      font-weight: 800;
      backdrop-filter: blur(10px);
    }

    .benefit-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
      margin-top: 24px;
    }

    .benefit-card,
    .content-card,
    .step-card,
    .faq-item {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: 0 8px 20px rgba(45, 31, 25, .05);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .benefit-card {
      padding: 18px;
    }

    .benefit-card:hover,
    .content-card:hover,
    .step-card:hover,
    .faq-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-sm);
      border-color: rgba(199, 150, 69, .42);
    }

    .benefit-card strong {
      display: block;
      margin-bottom: 6px;
      color: var(--brand);
      font-size: 17px;
    }

    .benefit-card p,
    .content-card p,
    .step-card p,
    .faq-item p {
      color: var(--muted);
      font-size: 15px;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .tag,
    .badge {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 0 10px;
      border-radius: var(--radius-sm);
      font-size: 13px;
      font-weight: 800;
      color: var(--brand-2);
      background: rgba(123, 38, 48, .08);
      border: 1px solid rgba(123, 38, 48, .12);
    }

    .badge {
      color: #3f342a;
      background: rgba(199, 150, 69, .16);
      border-color: rgba(199, 150, 69, .22);
    }

    .content-grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 18px;
    }

    .content-card {
      overflow: hidden;
      min-height: 100%;
    }

    .content-card.large {
      grid-column: span 6;
    }

    .content-card.mid {
      grid-column: span 3;
    }

    .content-card img {
      aspect-ratio: 16 / 10;
      object-fit: cover;
    }

    .card-body {
      padding: 18px;
    }

    .card-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
      color: var(--soft);
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .content-card h3 {
      margin-bottom: 9px;
    }

    .card-link {
      display: inline-flex;
      align-items: center;
      margin-top: 14px;
      color: var(--brand-2);
      font-weight: 900;
    }

    .card-link:hover {
      color: var(--accent-2);
      transform: translateX(3px);
    }

    .dark-band {
      background: var(--brand);
      color: rgba(255,255,255,.82);
    }

    .dark-band h2,
    .dark-band h3 {
      color: var(--white);
    }

    .dark-band .section-kicker {
      color: #f0c77b;
    }

    .step-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .step-card {
      padding: 20px;
      background: rgba(255,250,242,.08);
      border-color: rgba(255,255,255,.14);
      box-shadow: none;
    }

    .step-num {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      border-radius: var(--radius-sm);
      background: var(--accent);
      color: #24160e;
      font-weight: 900;
      margin-bottom: 14px;
    }

    .quality-strip {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
      margin-top: 28px;
    }

    .quality-item {
      padding: 18px;
      border-radius: var(--radius);
      background: rgba(255,250,242,.09);
      border: 1px solid rgba(255,255,255,.13);
    }

    .quality-item b {
      display: block;
      color: #f6d08b;
      font-size: 24px;
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .quality-item span {
      color: rgba(255,255,255,.76);
      font-size: 14px;
    }

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

    .faq-item {
      padding: 20px;
    }

    .faq-item h3 {
      margin-bottom: 8px;
      color: var(--brand);
    }

    .cta {
      padding: 54px 0;
      background:
        linear-gradient(90deg, rgba(50,23,25,.94), rgba(123,38,48,.88)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      color: rgba(255,255,255,.84);
    }

    .cta-box {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 26px;
      align-items: center;
    }

    .cta h2 {
      color: var(--white);
      margin-bottom: 10px;
    }

    .cta p {
      max-width: 720px;
      color: rgba(255,255,255,.82);
    }

    .site-footer {
      background: #211b19;
      color: rgba(255,255,255,.74);
      padding: 56px 0 24px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.25fr repeat(3, minmax(0, .75fr));
      gap: 34px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255,255,255,.12);
    }

    .footer-brand {
      color: var(--white);
      font-size: 22px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .footer-desc {
      max-width: 360px;
      color: rgba(255,255,255,.68);
      font-size: 14px;
    }

    .footer-col h3 {
      color: #f1d197;
      font-size: 15px;
      margin-bottom: 12px;
    }

    .footer-col a {
      display: block;
      color: rgba(255,255,255,.68);
      font-size: 14px;
      margin: 8px 0;
    }

    .footer-col a:hover {
      color: var(--accent);
      transform: translateX(3px);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      padding-top: 22px;
      color: rgba(255,255,255,.56);
      font-size: 13px;
    }

    @media (max-width: 1200px) {
      .search-mini {
        width: 142px;
      }

      .content-card.large {
        grid-column: span 6;
      }

      .content-card.mid {
        grid-column: span 6;
      }
    }

    @media (max-width: 992px) {
      .header-inner {
        gap: 14px;
      }

      .menu-toggle {
        display: inline-grid;
        place-items: center;
      }

      .site-header nav {
        position: absolute;
        left: 20px;
        right: 20px;
        top: calc(var(--header-h) + 10px);
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        padding: 12px;
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--ease), transform var(--ease), visibility var(--ease);
      }

      .site-header.nav-open nav {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
      }

      .nav-links {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
      }

      .nav-links a {
        width: 100%;
        justify-content: center;
      }

      .header-actions .btn,
      .search-mini {
        display: none;
      }

      h1 {
        font-size: 36px;
      }

      h2 {
        font-size: 26px;
      }

      .filter-box,
      .feature-layout,
      .cta-box {
        grid-template-columns: 1fr;
      }

      .step-grid,
      .quality-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .section {
        padding: 54px 0;
      }

      .category-hero {
        min-height: 468px;
      }

      h1 {
        font-size: 30px;
      }

      h2 {
        font-size: 24px;
      }

      .lead {
        font-size: 16px;
      }

      .section-head {
        display: block;
      }

      .benefit-grid,
      .faq-grid,
      .step-grid,
      .quality-strip {
        grid-template-columns: 1fr;
      }

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

      .content-card.large,
      .content-card.mid {
        grid-column: auto;
      }

      .hero-actions,
      .cta-box .hero-actions {
        flex-direction: column;
      }

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

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

      .footer-bottom {
        display: block;
      }

      .footer-bottom span {
        display: block;
        margin-top: 8px;
      }
    }

    @media (max-width: 520px) {
      body {
        font-size: 15px;
      }

      .brand {
        font-size: 15px;
      }

      .brand-mark {
        width: 32px;
        height: 32px;
      }

      .nav-links {
        grid-template-columns: 1fr;
      }

      .category-hero {
        min-height: 500px;
      }

      .filter-panel {
        margin-top: -24px;
      }

      .filter-box {
        padding: 16px;
      }

      .card-body,
      .benefit-card,
      .faq-item,
      .step-card {
        padding: 16px;
      }
    }

/* roulang page: category4 */
:root {
      --bg: #f4f0ea;
      --surface: #fffaf2;
      --surface-2: #eee6dc;
      --ink: #211b19;
      --muted: #6e625d;
      --line: #ded2c6;
      --brand: #4b111b;
      --brand-2: #7c2630;
      --accent: #c98b45;
      --accent-2: #d65f44;
      --cool: #53606a;
      --white: #ffffff;
      --radius: 8px;
      --radius-sm: 6px;
      --shadow: 0 18px 45px rgba(33, 27, 25, .10);
      --shadow-soft: 0 10px 26px rgba(33, 27, 25, .08);
      --container: 1180px;
      --header-h: 76px;
      --ease: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 18% 0%, rgba(201, 139, 69, .13), transparent 30%),
        linear-gradient(180deg, #fbf7ef 0%, var(--bg) 45%, #efe8df 100%);
      line-height: 1.7;
      font-size: 16px;
    }

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

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

    button,
    input,
    select {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 250, 242, .92);
      border-bottom: 1px solid rgba(75, 17, 27, .12);
      backdrop-filter: blur(18px);
    }

    .header-inner {
      min-height: var(--header-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 900;
      color: var(--brand);
      letter-spacing: 0;
      white-space: nowrap;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--brand), var(--accent-2));
      box-shadow: 0 8px 20px rgba(75, 17, 27, .22);
      position: relative;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 9px;
      border: 2px solid rgba(255, 250, 242, .9);
      border-radius: 5px;
    }

    nav {
      flex: 1;
      display: flex;
      justify-content: center;
    }

    .nav-links {
      list-style: none;
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 0;
      margin: 0;
    }

    .nav-links a {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 40px;
      padding: 0 14px;
      border-radius: 7px;
      color: var(--muted);
      font-weight: 700;
      transition: color var(--ease), background var(--ease), transform var(--ease);
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: 5px;
      height: 2px;
      background: var(--accent);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform var(--ease);
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--brand);
      background: rgba(75, 17, 27, .06);
      transform: translateY(-1px);
    }

    .nav-links a:hover::after,
    .nav-links a.active::after {
      transform: scaleX(1);
    }

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

    .search-pill {
      display: flex;
      align-items: center;
      gap: 8px;
      min-width: 190px;
      height: 42px;
      padding: 0 12px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: rgba(255, 255, 255, .72);
      color: var(--muted);
    }

    .search-pill input {
      width: 100%;
      border: 0;
      outline: 0;
      background: transparent;
      color: var(--ink);
      min-width: 0;
    }

    .search-pill:focus-within {
      border-color: rgba(201, 139, 69, .8);
      box-shadow: 0 0 0 3px rgba(201, 139, 69, .18);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: var(--surface);
      color: var(--brand);
      align-items: center;
      justify-content: center;
    }

    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after {
      width: 18px;
      height: 2px;
      background: currentColor;
      display: block;
      position: relative;
      transition: transform var(--ease);
    }

    .menu-toggle span::before,
    .menu-toggle span::after {
      content: "";
      position: absolute;
      left: 0;
    }

    .menu-toggle span::before {
      top: -6px;
    }

    .menu-toggle span::after {
      top: 6px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 18px;
      border-radius: 8px;
      border: 1px solid transparent;
      font-weight: 800;
      transition: transform var(--ease), background var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .btn-primary {
      color: var(--white);
      background: var(--brand);
      box-shadow: 0 12px 24px rgba(75, 17, 27, .20);
    }

    .btn-primary:hover {
      background: var(--brand-2);
      transform: translateY(-2px);
      box-shadow: 0 16px 30px rgba(75, 17, 27, .24);
    }

    .btn-secondary {
      color: var(--brand);
      background: rgba(255, 250, 242, .82);
      border-color: rgba(75, 17, 27, .18);
    }

    .btn-secondary:hover {
      border-color: var(--accent);
      transform: translateY(-2px);
      background: var(--white);
    }

    .btn-text {
      color: var(--brand);
      font-weight: 800;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .btn-text:hover {
      color: var(--accent-2);
    }

    .section {
      padding: 72px 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 28px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--accent-2);
      font-weight: 900;
      font-size: 14px;
      margin-bottom: 10px;
    }

    .eyebrow::before {
      content: "";
      width: 22px;
      height: 2px;
      background: var(--accent);
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    h1 {
      font-size: 42px;
      line-height: 1.18;
      margin-bottom: 18px;
      letter-spacing: 0;
    }

    h2 {
      font-size: 30px;
      line-height: 1.25;
      margin-bottom: 10px;
      letter-spacing: 0;
    }

    h3 {
      font-size: 19px;
      line-height: 1.35;
      margin-bottom: 10px;
    }

    .lead,
    .section-desc {
      color: var(--muted);
      max-width: 760px;
    }

    .category-hero {
      padding: 46px 0 42px;
      background:
        linear-gradient(90deg, rgba(33, 27, 25, .82), rgba(75, 17, 27, .62)),
        url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
      color: var(--white);
    }

    .category-hero .container {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 38px;
      align-items: center;
    }

    .crumbs {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 18px;
      color: rgba(255, 250, 242, .82);
      font-size: 14px;
    }

    .crumbs a:hover {
      color: var(--white);
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .category-hero .lead {
      color: rgba(255, 250, 242, .86);
      font-size: 17px;
      margin-bottom: 24px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 24px;
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 10px;
      border-radius: 999px;
      border: 1px solid rgba(75, 17, 27, .12);
      background: rgba(255, 255, 255, .62);
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
    }

    .category-hero .tag {
      background: rgba(255, 250, 242, .13);
      border-color: rgba(255, 250, 242, .24);
      color: rgba(255, 250, 242, .9);
    }

    .hero-panel {
      background: rgba(255, 250, 242, .94);
      color: var(--ink);
      border: 1px solid rgba(255, 250, 242, .55);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: var(--shadow);
    }

    .hero-panel img {
      width: 100%;
      aspect-ratio: 16 / 10;
      object-fit: cover;
    }

    .panel-body {
      padding: 22px;
    }

    .rank-line {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 12px 0;
      border-bottom: 1px solid var(--line);
    }

    .rank-line:last-child {
      border-bottom: 0;
      padding-bottom: 0;
    }

    .rank-num {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--brand);
      color: var(--white);
      font-weight: 900;
      flex: 0 0 auto;
    }

    .rank-title {
      flex: 1;
      min-width: 0;
      font-weight: 900;
    }

    .rank-title small {
      display: block;
      color: var(--muted);
      font-weight: 600;
      margin-top: 2px;
    }

    .rank-heat {
      color: var(--accent-2);
      font-weight: 900;
      white-space: nowrap;
    }

    .filter-bar {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 18px;
      box-shadow: var(--shadow-soft);
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 14px;
      align-items: center;
    }

    .filter-groups {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .chip {
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .64);
      color: var(--muted);
      border-radius: 999px;
      padding: 8px 13px;
      font-weight: 800;
      transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
    }

    .chip:hover,
    .chip.active {
      background: var(--brand);
      color: var(--white);
      border-color: var(--brand);
      transform: translateY(-1px);
    }

    .ranking-layout {
      display: grid;
      grid-template-columns: 1fr 360px;
      gap: 28px;
      align-items: start;
    }

    .ranking-list {
      display: grid;
      gap: 16px;
    }

    .rank-card {
      display: grid;
      grid-template-columns: 190px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: rgba(255, 250, 242, .82);
      box-shadow: 0 8px 24px rgba(33, 27, 25, .06);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .rank-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-soft);
      border-color: rgba(201, 139, 69, .6);
    }

    .rank-cover {
      position: relative;
      overflow: hidden;
      border-radius: 7px;
      background: var(--surface-2);
    }

    .rank-cover img {
      width: 100%;
      aspect-ratio: 16 / 10;
      object-fit: cover;
      transition: transform var(--ease);
    }

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

    .rank-badge {
      position: absolute;
      left: 10px;
      top: 10px;
      background: rgba(75, 17, 27, .92);
      color: var(--white);
      border-radius: 6px;
      padding: 4px 8px;
      font-size: 13px;
      font-weight: 900;
    }

    .card-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .rank-card p {
      color: var(--muted);
      margin-bottom: 0;
    }

    .rank-action {
      text-align: right;
      min-width: 112px;
    }

    .heat {
      display: block;
      color: var(--accent-2);
      font-size: 22px;
      font-weight: 900;
      line-height: 1.1;
      margin-bottom: 10px;
    }

    .side-box {
      border: 1px solid var(--line);
      border-radius: 8px;
      background: var(--surface);
      padding: 22px;
      box-shadow: var(--shadow-soft);
      position: sticky;
      top: 96px;
    }

    .side-box + .side-box {
      margin-top: 16px;
    }

    .side-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 12px;
    }

    .side-list li {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--line);
      color: var(--muted);
    }

    .side-list li:last-child {
      border-bottom: 0;
      padding-bottom: 0;
    }

    .side-list strong {
      color: var(--ink);
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .feature-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 22px;
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .feature-card:hover {
      transform: translateY(-3px);
      border-color: rgba(201, 139, 69, .6);
      box-shadow: var(--shadow-soft);
    }

    .feature-icon {
      width: 42px;
      height: 42px;
      border-radius: 8px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
      color: var(--white);
      background: linear-gradient(135deg, var(--brand), var(--accent-2));
      font-weight: 900;
    }

    .feature-card p {
      margin-bottom: 0;
      color: var(--muted);
    }

    .steps {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      counter-reset: step;
    }

    .step-card {
      position: relative;
      padding: 24px;
      border-radius: 8px;
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255, 250, 242, .95), rgba(238, 230, 220, .72));
      overflow: hidden;
    }

    .step-card::before {
      counter-increment: step;
      content: "0" counter(step);
      position: absolute;
      right: 18px;
      top: 10px;
      color: rgba(75, 17, 27, .10);
      font-size: 44px;
      font-weight: 900;
      line-height: 1;
    }

    .step-card p {
      color: var(--muted);
      margin-bottom: 0;
    }

    .scene-band {
      background: #241c1a;
      color: var(--white);
      padding: 72px 0;
    }

    .scene-grid {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 32px;
      align-items: center;
    }

    .scene-media {
      overflow: hidden;
      border-radius: 8px;
      border: 1px solid rgba(255, 250, 242, .15);
    }

    .scene-media img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
    }

    .scene-list {
      display: grid;
      gap: 14px;
      margin-top: 20px;
    }

    .scene-item {
      padding: 16px;
      border: 1px solid rgba(255, 250, 242, .16);
      border-radius: 8px;
      background: rgba(255, 250, 242, .07);
    }

    .scene-item h3 {
      color: #fff7eb;
      margin-bottom: 4px;
    }

    .scene-item p,
    .scene-band .section-desc {
      color: rgba(255, 250, 242, .74);
      margin-bottom: 0;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: .75fr 1.25fr;
      gap: 28px;
      align-items: start;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border: 1px solid var(--line);
      border-radius: 8px;
      background: var(--surface);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      min-height: 58px;
      border: 0;
      background: transparent;
      color: var(--ink);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 0 18px;
      font-weight: 900;
      text-align: left;
    }

    .faq-question:focus-visible,
    .btn:focus-visible,
    .chip:focus-visible,
    .menu-toggle:focus-visible {
      outline: 3px solid rgba(201, 139, 69, .35);
      outline-offset: 3px;
    }

    .faq-question span:last-child {
      color: var(--accent-2);
      font-size: 22px;
      line-height: 1;
    }

    .faq-answer {
      display: none;
      padding: 0 18px 18px;
      color: var(--muted);
    }

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

    .cta-panel {
      display: grid;
      grid-template-columns: 1fr 390px;
      gap: 28px;
      align-items: center;
      border-radius: 8px;
      padding: 34px;
      background:
        linear-gradient(135deg, rgba(75, 17, 27, .94), rgba(124, 38, 48, .88)),
        url("/assets/images/backpic/back-3.webp") center / cover no-repeat;
      color: var(--white);
      box-shadow: var(--shadow);
    }

    .cta-panel p {
      color: rgba(255, 250, 242, .82);
      margin-bottom: 0;
    }

    .update-form {
      display: grid;
      gap: 10px;
      padding: 18px;
      border-radius: 8px;
      background: rgba(255, 250, 242, .12);
      border: 1px solid rgba(255, 250, 242, .20);
    }

    .update-form label {
      font-weight: 900;
      color: rgba(255, 250, 242, .92);
    }

    .update-form input,
    .update-form select {
      width: 100%;
      height: 44px;
      border-radius: 8px;
      border: 1px solid rgba(255, 250, 242, .24);
      padding: 0 12px;
      background: rgba(255, 255, 255, .92);
      color: var(--ink);
      outline: none;
    }

    .update-form input:focus,
    .update-form select:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(201, 139, 69, .22);
    }

    .site-footer {
      padding: 56px 0 24px;
      background: #1f1917;
      color: rgba(255, 250, 242, .78);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.25fr repeat(3, 1fr);
      gap: 28px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255, 250, 242, .12);
    }

    .footer-brand {
      color: var(--white);
      font-size: 22px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .footer-desc {
      max-width: 360px;
      color: rgba(255, 250, 242, .68);
      margin-bottom: 0;
    }

    .footer-col {
      display: grid;
      align-content: start;
      gap: 8px;
    }

    .footer-col h3 {
      color: var(--white);
      font-size: 16px;
      margin-bottom: 8px;
    }

    .footer-col a {
      color: rgba(255, 250, 242, .68);
      transition: color var(--ease), transform var(--ease);
    }

    .footer-col a:hover {
      color: var(--accent);
      transform: translateX(2px);
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding-top: 22px;
      font-size: 14px;
      color: rgba(255, 250, 242, .58);
    }

    @media (max-width: 1200px) {
      .search-pill {
        min-width: 160px;
      }

      .rank-card {
        grid-template-columns: 170px 1fr;
      }

      .rank-action {
        grid-column: 2;
        text-align: left;
      }
    }

    @media (max-width: 992px) {
      .header-inner {
        flex-wrap: wrap;
        padding: 12px 0;
      }

      nav {
        order: 3;
        width: 100%;
        justify-content: flex-start;
      }

      .nav-links {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 4px;
      }

      .category-hero .container,
      .ranking-layout,
      .scene-grid,
      .faq-grid,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      .side-box {
        position: static;
      }

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

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

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

    @media (max-width: 768px) {
      :root {
        --header-h: auto;
      }

      .container {
        width: min(100% - 28px, var(--container));
      }

      .site-header {
        position: sticky;
      }

      .header-inner {
        display: grid;
        grid-template-columns: 1fr auto;
      }

      nav {
        display: none;
        grid-column: 1 / -1;
      }

      nav.open {
        display: block;
      }

      .nav-links {
        display: grid;
        gap: 6px;
        overflow: visible;
      }

      .nav-links a {
        width: 100%;
        justify-content: space-between;
      }

      .header-actions {
        grid-column: 1 / -1;
        width: 100%;
        display: none;
      }

      .header-actions.open {
        display: flex;
      }

      .search-pill {
        flex: 1;
        min-width: 0;
      }

      .menu-toggle {
        display: inline-flex;
      }

      h1 {
        font-size: 32px;
      }

      h2 {
        font-size: 25px;
      }

      .section {
        padding: 52px 0;
      }

      .section-head {
        display: block;
      }

      .filter-bar {
        grid-template-columns: 1fr;
      }

      .rank-card {
        grid-template-columns: 1fr;
      }

      .rank-action {
        grid-column: auto;
      }

      .rank-cover img {
        aspect-ratio: 16 / 9;
      }

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

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

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

    @media (max-width: 520px) {
      body {
        font-size: 15px;
      }

      .category-hero {
        padding: 34px 0;
      }

      .hero-actions,
      .filter-groups {
        display: grid;
      }

      .btn,
      .chip {
        width: 100%;
      }

      .panel-body,
      .side-box,
      .cta-panel {
        padding: 18px;
      }

      .hero-panel img,
      .scene-media img {
        aspect-ratio: 1 / .72;
      }
    }