/* roulang page: index */
:root {
      --bg: #0f1115;
      --bg-soft: #151922;
      --bg-card: #171c26;
      --bg-card-2: #1d2430;
      --text: #f4f1ea;
      --text-2: #d0d5dd;
      --text-3: #98a2b3;
      --line: rgba(255,255,255,.09);
      --line-2: rgba(255,255,255,.14);
      --accent: #d6a54a;
      --accent-2: #b9683c;
      --accent-3: #8a3d31;
      --success: #71c59b;
      --radius: 20px;
      --radius-sm: 14px;
      --radius-xs: 10px;
      --shadow: 0 18px 48px rgba(0,0,0,.34);
      --shadow-soft: 0 10px 28px rgba(0,0,0,.22);
      --container: 1180px;
      --gap: 24px;
      --gap-sm: 16px;
      --transition: .22s ease;
      --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      background:
        radial-gradient(1000px 600px at 8% 0%, rgba(214,165,74,.12), transparent 52%),
        radial-gradient(900px 500px at 100% 10%, rgba(138,61,49,.10), transparent 45%),
        linear-gradient(180deg, #0d0f13 0%, #11151b 36%, #0f1115 100%);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button, input, textarea {
      font: inherit;
    }
    button, input[type="submit"] {
      border: 0;
      cursor: pointer;
    }
    ::selection { background: rgba(214,165,74,.28); color: #fff; }
    .container {
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 30;
      backdrop-filter: blur(18px);
      background: rgba(11, 13, 18, .76);
      border-bottom: 1px solid rgba(255,255,255,.06);
    }
    .nav-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      min-height: 74px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      letter-spacing: .4px;
      color: var(--text);
      white-space: nowrap;
    }
    .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      background:
        linear-gradient(145deg, rgba(214,165,74,.95), rgba(185,104,60,.85));
      color: #1b1207;
      box-shadow: 0 10px 24px rgba(214,165,74,.25);
      font-size: 18px;
      flex: 0 0 auto;
    }
    .brand-name {
      font-size: 1.05rem;
    }
    .nav {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .nav-links a {
      padding: 11px 15px;
      border-radius: 999px;
      color: var(--text-2);
      border: 1px solid transparent;
      transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
    }
    .nav-links a:hover,
    .nav-links a:focus-visible,
    .nav-links a.active {
      color: #fff;
      background: rgba(255,255,255,.05);
      border-color: rgba(255,255,255,.08);
      transform: translateY(-1px);
      outline: none;
    }
    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: rgba(255,255,255,.05);
      color: var(--text);
      border: 1px solid rgba(255,255,255,.08);
    }
    .hero {
      position: relative;
      padding: 34px 0 22px;
    }
    .hero-panel {
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.08);
      border-radius: calc(var(--radius) + 8px);
      background:
        linear-gradient(135deg, rgba(12,14,19,.94) 0%, rgba(17,21,28,.92) 38%, rgba(17,21,28,.76) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      box-shadow: var(--shadow);
    }
    .hero-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(15,17,21,.96) 0%, rgba(15,17,21,.76) 44%, rgba(15,17,21,.40) 100%),
        radial-gradient(circle at 80% 18%, rgba(214,165,74,.16), transparent 28%);
      pointer-events: none;
    }
    .hero-grid {
      position: relative;
      display: grid;
      grid-template-columns: 1.25fr .9fr;
      gap: 22px;
      align-items: stretch;
      padding: 36px;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.08);
      color: var(--text-2);
      font-size: .9rem;
      width: fit-content;
    }
    .hero h1 {
      margin: 16px 0 14px;
      font-size: clamp(2.1rem, 5vw, 4.4rem);
      line-height: 1.08;
      letter-spacing: .2px;
    }
    .hero p {
      margin: 0;
      max-width: 44rem;
      color: var(--text-2);
      font-size: 1.04rem;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 46px;
      padding: 0 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), opacity var(--transition);
      user-select: none;
    }
    .btn:hover,
    .btn:focus-visible {
      transform: translateY(-1px);
      outline: none;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--accent) 0%, #efc975 100%);
      color: #251607;
      box-shadow: 0 16px 30px rgba(214,165,74,.22);
      font-weight: 700;
    }
    .btn-primary:hover,
    .btn-primary:focus-visible {
      box-shadow: 0 18px 36px rgba(214,165,74,.30);
    }
    .btn-secondary {
      background: rgba(255,255,255,.04);
      color: var(--text);
      border-color: rgba(255,255,255,.09);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      background: rgba(255,255,255,.07);
      border-color: rgba(255,255,255,.16);
    }
    .hero-aside {
      display: grid;
      gap: 14px;
      align-content: end;
    }
    .hero-visual {
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
      box-shadow: var(--shadow-soft);
      min-height: 290px;
      position: relative;
    }
    .hero-visual img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      aspect-ratio: 4 / 5;
    }
    .hero-chipbar {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .chip {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.05);
      border: 1px solid rgba(255,255,255,.08);
      color: var(--text-2);
      font-size: .9rem;
    }
    .hero-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 18px;
    }
    .stat {
      background: rgba(255,255,255,.04);
      border: 1px solid rgba(255,255,255,.08);
      border-radius: var(--radius-sm);
      padding: 14px 16px;
    }
    .stat strong {
      display: block;
      font-size: 1.25rem;
      margin-bottom: 4px;
      color: #fff;
    }
    .stat span {
      color: var(--text-3);
      font-size: .92rem;
    }
    .section {
      padding: 18px 0 0;
    }
    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 16px;
      margin: 30px 0 18px;
    }
    .section-head h2 {
      margin: 0;
      font-size: clamp(1.35rem, 2vw, 2rem);
      line-height: 1.2;
    }
    .section-head p {
      margin: 0;
      color: var(--text-3);
      max-width: 42rem;
    }
    .grid-cards {
      display: grid;
      gap: 18px;
    }
    .featured-grid {
      grid-template-columns: 1.1fr .9fr .9fr;
    }
    .card {
      position: relative;
      overflow: hidden;
      background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.025));
      border: 1px solid rgba(255,255,255,.08);
      border-radius: var(--radius);
      box-shadow: var(--shadow-soft);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
      min-height: 100%;
    }
    .card:hover,
    .card:focus-within {
      transform: translateY(-3px);
      border-color: rgba(214,165,74,.28);
      box-shadow: 0 18px 40px rgba(0,0,0,.36);
    }
    .card-media {
      position: relative;
      overflow: hidden;
      aspect-ratio: 16 / 10;
      background: linear-gradient(135deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
    }
    .card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .35s ease, opacity .35s ease;
    }
    .card:hover .card-media img {
      transform: scale(1.03);
    }
    .card-body {
      padding: 18px 18px 20px;
    }
    .meta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 12px;
      color: var(--text-3);
      font-size: .88rem;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(214,165,74,.12);
      color: #f0cf8e;
      border: 1px solid rgba(214,165,74,.18);
      font-size: .82rem;
      line-height: 1;
    }
    .card h3 {
      margin: 0 0 10px;
      font-size: 1.08rem;
      line-height: 1.45;
    }
    .card p {
      margin: 0;
      color: var(--text-2);
      font-size: .96rem;
    }
    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 14px;
      color: #f1d59f;
      font-weight: 700;
    }
    .card-link:hover { color: #fff; }
    .hot-list {
      display: grid;
      gap: 16px;
    }
    .hot-item {
      display: grid;
      grid-template-columns: 110px 1fr;
      gap: 14px;
      align-items: center;
      padding: 12px;
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.035);
      border: 1px solid rgba(255,255,255,.07);
      transition: transform var(--transition), border-color var(--transition), background var(--transition);
    }
    .hot-item:hover {
      transform: translateY(-2px);
      border-color: rgba(214,165,74,.2);
      background: rgba(255,255,255,.05);
    }
    .hot-item img {
      width: 100%;
      aspect-ratio: 1 / 1.26;
      object-fit: cover;
      border-radius: 14px;
    }
    .hot-item h3 {
      margin: 0 0 8px;
      font-size: 1rem;
    }
    .hot-item p {
      margin: 0;
      color: var(--text-3);
      font-size: .92rem;
    }
    .layout-two {
      display: grid;
      grid-template-columns: 1.12fr .88fr;
      gap: 18px;
      align-items: start;
    }
    .panel {
      padding: 20px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.035);
      border: 1px solid rgba(255,255,255,.07);
      box-shadow: var(--shadow-soft);
    }
    .panel-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 18px;
    }
    .panel-head h3 {
      margin: 0;
      font-size: 1.1rem;
    }
    .panel-head span {
      color: var(--text-3);
      font-size: .9rem;
    }
    .post-list {
      display: grid;
      gap: 12px;
    }
    .post-row {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 12px;
      align-items: start;
      padding: 14px 14px 14px 12px;
      border-radius: 16px;
      background: rgba(255,255,255,.03);
      border: 1px solid rgba(255,255,255,.06);
      transition: transform var(--transition), border-color var(--transition), background var(--transition);
    }
    .post-row:hover {
      transform: translateY(-2px);
      border-color: rgba(214,165,74,.2);
      background: rgba(255,255,255,.05);
    }
    .post-row .dot {
      width: 10px;
      height: 10px;
      margin-top: 6px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow: 0 0 0 5px rgba(214,165,74,.12);
      flex: 0 0 auto;
    }
    .post-row h4 {
      margin: 0 0 7px;
      font-size: 1rem;
      line-height: 1.45;
    }
    .post-row p {
      margin: 0;
      color: var(--text-3);
      font-size: .93rem;
    }
    .post-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      justify-content: flex-end;
      align-items: center;
      color: var(--text-3);
      font-size: .84rem;
      white-space: nowrap;
    }
    .post-link {
      color: #f1d59f;
      font-weight: 700;
    }
    .post-link:hover { color: #fff; }
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .tag {
      display: inline-flex;
      align-items: center;
      padding: 10px 13px;
      border-radius: 999px;
      background: rgba(255,255,255,.04);
      color: var(--text-2);
      border: 1px solid rgba(255,255,255,.07);
      transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
    }
    .tag:hover,
    .tag:focus-visible {
      transform: translateY(-1px);
      background: rgba(214,165,74,.10);
      color: #fff;
      border-color: rgba(214,165,74,.20);
      outline: none;
    }
    .faq-grid {
      display: grid;
      gap: 14px;
    }
    .faq-item {
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.03);
      border: 1px solid rgba(255,255,255,.07);
      overflow: hidden;
    }
    .faq-question {
      width: 100%;
      text-align: left;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 16px 18px;
      background: transparent;
      color: var(--text);
    }
    .faq-question span {
      font-weight: 700;
    }
    .faq-question i {
      font-style: normal;
      color: var(--text-3);
      font-size: 1.2rem;
      transition: transform var(--transition);
    }
    .faq-item.active .faq-question i {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .28s ease;
      border-top: 1px solid rgba(255,255,255,.06);
    }
    .faq-answer p {
      margin: 0;
      padding: 0 18px 16px;
      color: var(--text-2);
    }
    .faq-item.active .faq-answer {
      max-height: 220px;
    }
    .cta {
      padding: 30px 0 10px;
    }
    .cta-box {
      position: relative;
      overflow: hidden;
      border-radius: calc(var(--radius) + 4px);
      border: 1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(135deg, rgba(214,165,74,.12), rgba(185,104,60,.08)),
        rgba(255,255,255,.035);
      box-shadow: var(--shadow);
      padding: 28px;
    }
    .cta-box h2 {
      margin: 0 0 10px;
      font-size: clamp(1.4rem, 2.4vw, 2.2rem);
    }
    .cta-box p {
      margin: 0;
      color: var(--text-2);
      max-width: 50rem;
    }
    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 20px;
    }
    .site-footer {
      margin-top: 26px;
      padding: 30px 0 42px;
      border-top: 1px solid rgba(255,255,255,.06);
      color: var(--text-3);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 22px;
    }
    .footer-brand p {
      margin: 14px 0 0;
      max-width: 34rem;
      color: var(--text-3);
    }
    .footer-links,
    .footer-note {
      display: grid;
      gap: 10px;
    }
    .footer-links a,
    .footer-note a {
      color: var(--text-2);
      transition: color var(--transition), transform var(--transition);
      width: fit-content;
    }
    .footer-links a:hover,
    .footer-note a:hover {
      color: #fff;
      transform: translateX(2px);
    }
    .footer-bottom {
      margin-top: 24px;
      padding-top: 18px;
      border-top: 1px solid rgba(255,255,255,.06);
      display: flex;
      flex-wrap: wrap;
      gap: 12px 20px;
      justify-content: space-between;
      color: var(--text-3);
      font-size: .92rem;
    }
    .search-box {
      display: flex;
      gap: 10px;
      margin-top: 22px;
      max-width: 560px;
    }
    .search-box input {
      flex: 1;
      min-width: 0;
      height: 48px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.09);
      background: rgba(255,255,255,.04);
      color: #fff;
      padding: 0 16px;
      outline: none;
      transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }
    .search-box input::placeholder { color: #8b94a3; }
    .search-box input:focus {
      border-color: rgba(214,165,74,.32);
      box-shadow: 0 0 0 4px rgba(214,165,74,.12);
      background: rgba(255,255,255,.05);
    }
    .search-box .btn { flex: 0 0 auto; }
    .hidden-mobile { display: block; }
    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      border: 0;
      white-space: nowrap;
    }
    .intro-note {
      margin-top: 18px;
      color: var(--text-3);
      font-size: .92rem;
    }
    .empty-state {
      padding: 18px;
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.03);
      border: 1px dashed rgba(255,255,255,.12);
      color: var(--text-2);
    }
    @media (max-width: 1024px) {
      .hero-grid,
      .layout-two,
      .footer-grid,
      .featured-grid {
        grid-template-columns: 1fr;
      }
      .hero-visual img {
        aspect-ratio: 16 / 9;
      }
      .hero-stats {
        grid-template-columns: repeat(3, 1fr);
      }
    }
    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }
      .menu-toggle {
        display: inline-grid;
        place-items: center;
      }
      .nav-links.open {
        display: grid;
        position: absolute;
        left: 16px;
        right: 16px;
        top: 76px;
        padding: 12px;
        background: rgba(11, 13, 18, .98);
        border: 1px solid rgba(255,255,255,.08);
        border-radius: 18px;
        box-shadow: var(--shadow);
      }
      .nav-wrap { position: relative; }
      .hero-grid,
      .hero,
      .section,
      .cta,
      .site-footer {
        padding-left: 0;
        padding-right: 0;
      }
      .hero-panel { border-radius: 24px; }
      .hero-grid { padding: 22px; }
      .hero-stats { grid-template-columns: 1fr; }
      .section-head {
        flex-direction: column;
        align-items: flex-start;
      }
      .post-row {
        grid-template-columns: auto 1fr;
      }
      .post-meta {
        grid-column: 2 / -1;
        justify-content: flex-start;
      }
      .search-box {
        flex-direction: column;
      }
      .search-box .btn { width: 100%; }
      .hot-item {
        grid-template-columns: 92px 1fr;
      }
      .cta-box,
      .panel {
        padding: 18px;
      }
      .footer-bottom {
        flex-direction: column;
      }
    }
    @media (max-width: 520px) {
      .container {
        width: min(var(--container), calc(100% - 24px));
      }
      .brand-name { font-size: .98rem; }
      .hero h1 { font-size: 2rem; }
      .hero p { font-size: .98rem; }
      .hero-actions,
      .cta-actions {
        flex-direction: column;
      }
      .btn { width: 100%; }
      .hot-item {
        grid-template-columns: 1fr;
      }
      .hot-item img {
        aspect-ratio: 16 / 10;
      }
      .post-row {
        grid-template-columns: 1fr;
      }
      .post-row .dot { display: none; }
      .post-meta { justify-content: flex-start; }
      .hero-panel::before {
        background:
          linear-gradient(180deg, rgba(15,17,21,.92) 0%, rgba(15,17,21,.78) 100%),
          radial-gradient(circle at 80% 18%, rgba(214,165,74,.14), transparent 28%);
      }
    }

/* roulang page: article */
:root {
      --bg: #0f1115;
      --bg-soft: #151922;
      --bg-card: #171c26;
      --bg-card-2: #1d2430;
      --text: #f4f1ea;
      --text-2: #d0d5dd;
      --text-3: #98a2b3;
      --line: rgba(255,255,255,.09);
      --line-2: rgba(255,255,255,.14);
      --accent: #d6a54a;
      --accent-2: #b9683c;
      --accent-3: #8a3d31;
      --success: #71c59b;
      --radius: 20px;
      --radius-sm: 14px;
      --radius-xs: 10px;
      --shadow: 0 18px 48px rgba(0,0,0,.34);
      --shadow-soft: 0 10px 28px rgba(0,0,0,.22);
      --container: 1180px;
      --gap: 24px;
      --gap-sm: 16px;
      --transition: .22s ease;
      --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
    }

    html { scroll-behavior: smooth; }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      background:
        radial-gradient(1000px 600px at 8% 0%, rgba(214,165,74,.12), transparent 52%),
        radial-gradient(900px 500px at 100% 10%, rgba(138,61,49,.10), transparent 45%),
        linear-gradient(180deg, #0d0f13 0%, #11151b 36%, #0f1115 100%);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
      overflow-x: hidden;
    }

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

    a:hover {
      color: inherit;
    }

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

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    button,
    input[type="submit"] {
      border: 0;
      cursor: pointer;
    }

    :focus-visible {
      outline: 2px solid rgba(214, 165, 74, .9);
      outline-offset: 2px;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 30;
      backdrop-filter: blur(18px);
      background: rgba(11, 13, 18, .76);
      border-bottom: 1px solid rgba(255,255,255,.06);
    }

    .nav-wrap {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      min-height: 74px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      letter-spacing: .4px;
      color: var(--text);
      white-space: nowrap;
    }

    .brand:hover .brand-mark,
    .brand:focus-visible .brand-mark {
      transform: translateY(-1px);
      box-shadow: 0 12px 28px rgba(214,165,74,.30);
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      background: linear-gradient(145deg, rgba(214,165,74,.95), rgba(185,104,60,.88));
      color: #1b1207;
      box-shadow: 0 10px 24px rgba(214,165,74,.25);
      font-size: 18px;
      flex: 0 0 auto;
      transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
    }

    .brand-name {
      font-size: 1.05rem;
      line-height: 1;
    }

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

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

    .nav-links a {
      padding: 11px 15px;
      border-radius: 999px;
      color: var(--text-2);
      border: 1px solid transparent;
      transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
      position: relative;
    }

    .nav-links a:hover,
    .nav-links a:focus-visible,
    .nav-links a.active {
      color: #fff;
      background: rgba(255,255,255,.05);
      border-color: rgba(255,255,255,.08);
      transform: translateY(-1px);
      outline: none;
      box-shadow: 0 8px 20px rgba(0,0,0,.14);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: rgba(255,255,255,.05);
      color: var(--text);
      border: 1px solid rgba(255,255,255,.08);
      transition: transform var(--transition), background var(--transition), border-color var(--transition);
      align-items: center;
      justify-content: center;
      font-size: 18px;
    }

    .menu-toggle:hover,
    .menu-toggle:focus-visible {
      background: rgba(255,255,255,.08);
      border-color: rgba(255,255,255,.15);
      transform: translateY(-1px);
    }

    .page-main {
      padding-bottom: 56px;
    }

    .article-hero {
      padding: 30px 0 18px;
    }

    .article-hero-panel {
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.08);
      border-radius: calc(var(--radius) + 10px);
      background:
        linear-gradient(135deg, rgba(12,14,19,.94) 0%, rgba(17,21,28,.92) 42%, rgba(17,21,28,.78) 100%),
        var(--hero-image) center/cover no-repeat;
      box-shadow: var(--shadow);
    }

    .article-hero-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(15,17,21,.97) 0%, rgba(15,17,21,.82) 44%, rgba(15,17,21,.54) 100%),
        radial-gradient(circle at 82% 18%, rgba(214,165,74,.16), transparent 28%);
      pointer-events: none;
    }

    .article-hero-grid {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.18fr) minmax(280px, .82fr);
      gap: 22px;
      align-items: stretch;
      padding: 34px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.08);
      color: var(--text-2);
      font-size: .9rem;
      width: fit-content;
      letter-spacing: .2px;
    }

    .article-title {
      margin: 16px 0 12px;
      font-size: clamp(2.15rem, 4.8vw, 4.5rem);
      line-height: 1.08;
      letter-spacing: .2px;
      word-break: break-word;
    }

    .article-lead {
      margin: 0;
      max-width: 50rem;
      color: var(--text-2);
      font-size: 1.03rem;
    }

    .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }

    .meta-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 38px;
      padding: 0 14px;
      border-radius: 999px;
      background: rgba(255,255,255,.05);
      color: var(--text-2);
      border: 1px solid rgba(255,255,255,.08);
      font-size: .92rem;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 46px;
      padding: 0 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), opacity var(--transition), filter var(--transition);
      user-select: none;
      white-space: nowrap;
    }

    .btn:hover,
    .btn:focus-visible {
      transform: translateY(-1px);
      outline: none;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--accent) 0%, #efc975 100%);
      color: #251607;
      box-shadow: 0 16px 30px rgba(214,165,74,.22);
      font-weight: 700;
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      box-shadow: 0 18px 36px rgba(214,165,74,.30);
      filter: saturate(1.02);
    }

    .btn-secondary {
      background: rgba(255,255,255,.04);
      color: var(--text);
      border-color: rgba(255,255,255,.09);
    }

    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      background: rgba(255,255,255,.07);
      border-color: rgba(255,255,255,.16);
    }

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

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 0 12px;
      border-radius: 999px;
      background: rgba(214,165,74,.10);
      color: #f0d18a;
      border: 1px solid rgba(214,165,74,.18);
      font-size: .88rem;
    }

    .hero-media {
      display: grid;
      gap: 14px;
      align-content: start;
    }

    .hero-media-card {
      border-radius: calc(var(--radius) + 2px);
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.08);
      background: var(--bg-card);
      box-shadow: var(--shadow-soft);
    }

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

    .hero-note-grid {
      display: grid;
      gap: 12px;
    }

    .hero-note {
      padding: 16px 16px 15px;
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.04);
      border: 1px solid rgba(255,255,255,.08);
      box-shadow: var(--shadow-soft);
    }

    .hero-note span {
      display: block;
      color: var(--text-3);
      font-size: .88rem;
      margin-bottom: 6px;
    }

    .hero-note strong {
      display: block;
      font-size: 1rem;
      color: var(--text);
      line-height: 1.55;
    }

    .content-section {
      padding: 14px 0 34px;
    }

    .content-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.32fr) minmax(280px, .68fr);
      gap: var(--gap);
      align-items: start;
    }

    .article-card,
    .side-card,
    .related-card,
    .faq-item,
    .empty-card,
    .cta-card {
      background: linear-gradient(180deg, rgba(23,28,38,.98), rgba(21,25,34,.98));
      border: 1px solid rgba(255,255,255,.08);
      border-radius: var(--radius);
      box-shadow: var(--shadow-soft);
    }

    .article-card {
      padding: 28px;
    }

    .article-body {
      color: var(--text-2);
      font-size: 1.03rem;
      line-height: 1.92;
      overflow-wrap: anywhere;
    }

    .article-body > :first-child {
      margin-top: 0;
    }

    .article-body > :last-child {
      margin-bottom: 0;
    }

    .article-body h2,
    .article-body h3,
    .article-body h4 {
      color: var(--text);
      line-height: 1.28;
      margin: 2em 0 .8em;
      letter-spacing: .2px;
    }

    .article-body h2 {
      font-size: clamp(1.4rem, 2.4vw, 2rem);
    }

    .article-body h3 {
      font-size: clamp(1.18rem, 1.8vw, 1.5rem);
    }

    .article-body h4 {
      font-size: 1.08rem;
    }

    .article-body p {
      margin: 0 0 1.05em;
    }

    .article-body a {
      color: #f0d18a;
      text-decoration: underline;
      text-underline-offset: 3px;
    }

    .article-body a:hover {
      color: #ffe1a0;
    }

    .article-body ul,
    .article-body ol {
      margin: 0 0 1.1em 1.25em;
      padding: 0;
    }

    .article-body li {
      margin: .38em 0;
    }

    .article-body blockquote {
      margin: 1.4em 0;
      padding: 16px 18px;
      border-left: 4px solid var(--accent);
      background: rgba(214,165,74,.08);
      color: #f6efe0;
      border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
    }

    .article-body hr {
      border: 0;
      border-top: 1px solid rgba(255,255,255,.10);
      margin: 1.6em 0;
    }

    .article-body img {
      margin: 1.25em 0;
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(255,255,255,.08);
      max-width: 100%;
      height: auto;
    }

    .article-body figure {
      margin: 1.35em 0;
    }

    .article-body figcaption {
      margin-top: .7em;
      font-size: .92rem;
      color: var(--text-3);
    }

    .article-body pre {
      margin: 1.2em 0;
      padding: 16px 18px;
      overflow: auto;
      border-radius: var(--radius-sm);
      background: #0f1319;
      border: 1px solid rgba(255,255,255,.08);
      color: #d8e1ea;
    }

    .article-body code {
      padding: .15em .4em;
      border-radius: 8px;
      background: rgba(255,255,255,.06);
      color: #f2dca8;
      font-size: .96em;
    }

    .article-body pre code {
      padding: 0;
      background: transparent;
      color: inherit;
    }

    .article-body table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.25em 0;
      background: rgba(255,255,255,.02);
      border: 1px solid rgba(255,255,255,.08);
      border-radius: var(--radius-sm);
      overflow: hidden;
      display: block;
    }

    .article-body table thead,
    .article-body table tbody {
      display: table;
      width: 100%;
      table-layout: fixed;
    }

    .article-body th,
    .article-body td {
      padding: 12px 14px;
      border-bottom: 1px solid rgba(255,255,255,.08);
      text-align: left;
      vertical-align: top;
    }

    .article-body th {
      color: #fff;
      background: rgba(255,255,255,.03);
    }

    .article-body tr:last-child td {
      border-bottom: 0;
    }

    .article-footer-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
      padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,.08);
    }

    .aside-stack {
      display: grid;
      gap: var(--gap);
      position: sticky;
      top: 94px;
    }

    .side-card {
      padding: 20px;
    }

    .side-title {
      margin: 0 0 12px;
      font-size: 1.02rem;
      color: #fff;
    }

    .side-text {
      margin: 0;
      color: var(--text-2);
      font-size: .96rem;
    }

    .mini-list {
      display: grid;
      gap: 12px;
      margin-top: 14px;
    }

    .mini-item {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 12px;
      border-radius: 14px;
      background: rgba(255,255,255,.03);
      border: 1px solid rgba(255,255,255,.06);
      transition: transform var(--transition), border-color var(--transition), background var(--transition);
    }

    .mini-item:hover {
      transform: translateY(-1px);
      background: rgba(255,255,255,.045);
      border-color: rgba(255,255,255,.11);
    }

    .mini-thumb {
      width: 64px;
      height: 64px;
      border-radius: 12px;
      object-fit: cover;
      flex: 0 0 auto;
      border: 1px solid rgba(255,255,255,.08);
      box-shadow: 0 10px 18px rgba(0,0,0,.18);
    }

    .mini-item strong {
      display: block;
      color: #fff;
      font-size: .98rem;
      line-height: 1.45;
      margin-bottom: 4px;
    }

    .mini-item span {
      color: var(--text-3);
      font-size: .88rem;
      line-height: 1.55;
    }

    .badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 14px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      min-height: 32px;
      padding: 0 11px;
      border-radius: 999px;
      background: rgba(255,255,255,.05);
      color: var(--text-2);
      border: 1px solid rgba(255,255,255,.08);
      font-size: .86rem;
    }

    .section-block {
      padding: 26px 0 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 16px;
    }

    .section-head h2 {
      margin: 0;
      font-size: clamp(1.3rem, 2vw, 1.9rem);
      line-height: 1.18;
      color: #fff;
      letter-spacing: .2px;
    }

    .section-head p,
    .section-head .section-link {
      margin: 0;
      color: var(--text-3);
      font-size: .95rem;
    }

    .section-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #f0d18a;
      white-space: nowrap;
    }

    .section-link:hover {
      color: #ffe0a0;
    }

    .related-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: var(--gap);
    }

    .related-card {
      overflow: hidden;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .related-card:hover {
      transform: translateY(-2px);
      border-color: rgba(214,165,74,.18);
      box-shadow: 0 22px 46px rgba(0,0,0,.28);
    }

    .related-cover {
      aspect-ratio: 16 / 10;
      overflow: hidden;
      border-bottom: 1px solid rgba(255,255,255,.08);
      background: #11151b;
    }

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

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

    .related-body {
      padding: 18px;
    }

    .related-body h3 {
      margin: 0 0 8px;
      font-size: 1.06rem;
      line-height: 1.45;
      color: #fff;
    }

    .related-body p {
      margin: 0;
      color: var(--text-2);
      font-size: .95rem;
      line-height: 1.78;
    }

    .related-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 12px;
    }

    .related-meta .badge {
      background: rgba(214,165,74,.08);
      color: #efcf86;
      border-color: rgba(214,165,74,.16);
    }

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

    .faq-item {
      overflow: hidden;
    }

    .faq-item summary {
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      cursor: pointer;
      padding: 18px 20px;
      color: #fff;
      font-weight: 700;
      line-height: 1.5;
    }

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

    .faq-item summary::after {
      content: "＋";
      flex: 0 0 auto;
      color: #f0d18a;
      transition: transform var(--transition), color var(--transition);
    }

    .faq-item[open] summary::after {
      content: "－";
      transform: rotate(180deg);
      color: #fff;
    }

    .faq-content {
      padding: 0 20px 18px;
      color: var(--text-2);
      font-size: .98rem;
      line-height: 1.86;
    }

    .cta-band {
      padding: 26px 0 10px;
    }

    .cta-card {
      position: relative;
      overflow: hidden;
      padding: 24px;
      background:
        radial-gradient(900px 240px at 20% 0%, rgba(214,165,74,.12), transparent 55%),
        linear-gradient(180deg, rgba(23,28,38,.98), rgba(18,22,30,.98));
    }

    .cta-card::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background: linear-gradient(120deg, rgba(255,255,255,.02), transparent 30%, rgba(255,255,255,.02));
    }

    .cta-inner {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .cta-copy h2 {
      margin: 0 0 10px;
      font-size: clamp(1.36rem, 2.2vw, 2rem);
      line-height: 1.22;
      color: #fff;
    }

    .cta-copy p {
      margin: 0;
      color: var(--text-2);
      font-size: 1rem;
      line-height: 1.8;
      max-width: 56rem;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      flex: 0 0 auto;
    }

    .site-footer {
      margin-top: 34px;
      border-top: 1px solid rgba(255,255,255,.08);
      background: linear-gradient(180deg, rgba(10,12,16,.92), rgba(8,10,14,.98));
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.45fr .7fr .85fr;
      gap: 28px;
      padding: 30px 0 22px;
    }

    .footer-brand p {
      margin: 14px 0 0;
      color: var(--text-2);
      max-width: 30rem;
      line-height: 1.85;
      font-size: .98rem;
    }

    .footer-links,
    .footer-note {
      display: grid;
      gap: 10px;
      align-content: start;
    }

    .footer-links strong,
    .footer-note strong {
      font-size: 1rem;
      margin-bottom: 4px;
    }

    .footer-links a,
    .footer-note span,
    .footer-note a {
      color: var(--text-2);
      font-size: .96rem;
      line-height: 1.7;
    }

    .footer-links a:hover,
    .footer-note a:hover {
      color: #ffe0a0;
    }

    .footer-bottom {
      padding: 16px 0 24px;
      border-top: 1px solid rgba(255,255,255,.08);
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      color: var(--text-3);
      font-size: .92rem;
      flex-wrap: wrap;
    }

    .empty-wrap {
      padding: 38px 0 18px;
    }

    .empty-card {
      padding: 34px 28px;
      text-align: center;
      max-width: 680px;
      margin: 0 auto;
    }

    .empty-card h1 {
      margin: 0 0 12px;
      font-size: clamp(1.7rem, 4vw, 2.6rem);
      line-height: 1.12;
      color: #fff;
    }

    .empty-card p {
      margin: 0 auto 22px;
      color: var(--text-2);
      max-width: 42rem;
      line-height: 1.85;
      font-size: 1rem;
    }

    .back-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      padding: 0 18px;
      border-radius: 999px;
      background: linear-gradient(135deg, var(--accent) 0%, #efc975 100%);
      color: #251607;
      font-weight: 700;
      box-shadow: 0 16px 30px rgba(214,165,74,.20);
      transition: transform var(--transition), box-shadow var(--transition);
    }

    .back-link:hover,
    .back-link:focus-visible {
      transform: translateY(-1px);
      box-shadow: 0 18px 34px rgba(214,165,74,.28);
    }

    @media (max-width: 1100px) {
      .article-hero-grid,
      .content-grid {
        grid-template-columns: 1fr;
      }

      .aside-stack {
        position: static;
      }

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

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

      .footer-brand {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 768px) {
      .nav-wrap {
        min-height: 70px;
      }

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

      .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        margin-top: 10px;
        padding: 14px;
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        background: rgba(11, 13, 18, .96);
        border: 1px solid rgba(255,255,255,.08);
        border-radius: 18px;
        box-shadow: var(--shadow);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        pointer-events: none;
        transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
      }

      .nav-links.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
      }

      .nav-links a {
        width: 100%;
        text-align: center;
      }

      .article-hero-grid {
        padding: 24px;
      }

      .article-title {
        font-size: clamp(1.9rem, 8vw, 3rem);
      }

      .article-card {
        padding: 22px;
      }

      .cta-inner {
        flex-direction: column;
        align-items: flex-start;
      }

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

    @media (max-width: 520px) {
      .container {
        width: min(var(--container), calc(100% - 24px));
      }

      .brand-name {
        font-size: .98rem;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 13px;
      }

      .article-hero-grid {
        padding: 18px;
        gap: 16px;
      }

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

      .btn,
      .back-link {
        width: 100%;
      }

      .meta-pill,
      .tag,
      .badge {
        min-height: 32px;
      }

      .article-card,
      .side-card,
      .cta-card,
      .empty-card {
        padding: 18px;
      }

      .faq-item summary {
        padding: 16px 16px;
      }

      .faq-content {
        padding: 0 16px 16px;
      }

      .related-body {
        padding: 16px;
      }

      .footer-grid {
        padding-top: 24px;
      }
    }

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