/* roulang page: index */
:root{
      --bg: #0b0810;
      --bg-2: #120d17;
      --panel: rgba(22, 17, 28, .88);
      --panel-2: rgba(30, 23, 38, .92);
      --line: rgba(255,255,255,.08);
      --line-2: rgba(255,255,255,.12);
      --text: #f4f0f6;
      --muted: #b7adbf;
      --soft: #8d8496;
      --gold: #c8a26a;
      --rose: #8e4a5d;
      --wine: #592636;
      --purple: #4d2f66;
      --shadow: 0 24px 60px rgba(0,0,0,.42);
      --shadow-sm: 0 10px 30px rgba(0,0,0,.25);
      --radius: 22px;
      --radius-sm: 16px;
      --radius-xs: 12px;
      --space: clamp(16px, 2vw, 24px);
      --container: 1180px;
      --transition: 220ms cubic-bezier(.2,.8,.2,1);
      --focus: 0 0 0 3px rgba(200,162,106,.26);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--text);
      background:
        radial-gradient(1200px 700px at 18% -10%, rgba(141, 78, 99, .18), transparent 55%),
        radial-gradient(1000px 600px at 82% 8%, rgba(77, 47, 102, .18), transparent 50%),
        linear-gradient(180deg, #09070d 0%, #0b0810 38%, #0e0913 100%);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", "Segoe UI", Arial, sans-serif;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

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

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

    button, input {
      font: inherit;
    }

    ::selection {
      background: rgba(200,162,106,.28);
      color: #fff;
    }

    .container {
      width: min(var(--container), calc(100% - 2 * var(--space)));
      margin-inline: auto;
    }

    .skip-link {
      position: absolute;
      left: 12px;
      top: -60px;
      z-index: 9999;
      padding: 10px 14px;
      border-radius: 999px;
      background: #fff;
      color: #111;
      transition: top var(--transition);
    }
    .skip-link:focus { top: 12px; outline: none; box-shadow: var(--focus); }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      backdrop-filter: blur(14px);
      background: rgba(8, 6, 11, .72);
      border-bottom: 1px solid rgba(255,255,255,.06);
    }

    .header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      gap: 18px;
      padding: 12px 0;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 220px;
      font-weight: 800;
      letter-spacing: .2px;
      color: var(--text);
      white-space: nowrap;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 13px;
      background:
        radial-gradient(circle at 30% 28%, rgba(255,255,255,.32), transparent 28%),
        linear-gradient(160deg, rgba(200,162,106,1), rgba(141,78,99,1));
      box-shadow: 0 14px 30px rgba(141,78,99,.3);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 9px;
      border-radius: 10px;
      border: 1px solid rgba(255,255,255,.26);
    }

    .brand-text {
      font-size: 1rem;
      line-height: 1.15;
    }

    .brand-sub {
      display: block;
      margin-top: 2px;
      font-size: .76rem;
      color: var(--muted);
      font-weight: 500;
    }

    .nav-wrap {
      display: flex;
      align-items: center;
      gap: 16px;
      flex: 1 1 auto;
      min-width: 0;
    }

    .nav-panel {
      display: flex;
      align-items: center;
      gap: 16px;
      flex: 1 1 auto;
      min-width: 0;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      flex-wrap: wrap;
      margin-left: auto;
    }

    .nav-links a {
      position: relative;
      padding: 10px 14px;
      border-radius: 999px;
      color: var(--muted);
      font-size: .96rem;
      border: 1px solid transparent;
    }

    .nav-links a:hover,
    .nav-links a:focus-visible,
    .nav-links a.active {
      color: var(--text);
      background: rgba(255,255,255,.04);
      border-color: rgba(255,255,255,.08);
      box-shadow: inset 0 0 0 1px rgba(200,162,106,.1);
      outline: none;
    }

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

    .nav-search {
      display: flex;
      align-items: center;
      gap: 8px;
      min-width: 290px;
      padding: 7px 8px 7px 14px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.03);
      transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }

    .nav-search:focus-within {
      border-color: rgba(200,162,106,.35);
      box-shadow: var(--focus);
      background: rgba(255,255,255,.05);
    }

    .nav-search input {
      appearance: none;
      border: 0;
      outline: 0;
      background: transparent;
      color: var(--text);
      width: 100%;
      min-width: 0;
    }

    .nav-search input::placeholder {
      color: rgba(183,173,191,.7);
    }

    .nav-search button,
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 42px;
      padding: 0 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      cursor: pointer;
      transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), color var(--transition);
      font-weight: 700;
      white-space: nowrap;
    }

    .nav-search button {
      flex: 0 0 auto;
      background: linear-gradient(135deg, rgba(200,162,106,1), rgba(165,115,78,1));
      color: #1b1112;
    }

    .nav-search button:hover,
    .btn:hover {
      transform: translateY(-1px);
    }

    .btn:focus-visible,
    .nav-search button:focus-visible,
    .nav-search input:focus-visible,
    .icon-btn:focus-visible,
    .nav-toggle:focus-visible,
    .accordion summary:focus-visible {
      outline: none;
      box-shadow: var(--focus);
    }

    .btn-primary {
      background: linear-gradient(135deg, #c8a26a 0%, #9d6d50 45%, #7f4056 100%);
      color: #fff6ea;
      box-shadow: 0 14px 30px rgba(124, 78, 93, .25);
    }

    .btn-primary:hover {
      box-shadow: 0 18px 34px rgba(124, 78, 93, .35);
    }

    .btn-secondary {
      background: rgba(255,255,255,.04);
      border-color: rgba(255,255,255,.1);
      color: var(--text);
    }

    .btn-secondary:hover {
      background: rgba(255,255,255,.07);
      border-color: rgba(200,162,106,.25);
    }

    .icon-btn {
      width: 42px;
      height: 42px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.03);
      color: var(--text);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: background var(--transition), border-color var(--transition), transform var(--transition);
    }

    .icon-btn:hover {
      transform: translateY(-1px);
      background: rgba(255,255,255,.06);
      border-color: rgba(200,162,106,.22);
    }

    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      padding: 0;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.03);
      color: var(--text);
      cursor: pointer;
    }

    .hamburger {
      display: grid;
      gap: 4px;
      width: 18px;
      margin: 0 auto;
    }

    .hamburger span {
      display: block;
      height: 2px;
      border-radius: 999px;
      background: currentColor;
    }

    .hero {
      position: relative;
      padding: 28px 0 18px;
    }

    .hero-shell {
      position: relative;
      overflow: hidden;
      border-radius: calc(var(--radius) + 6px);
      border: 1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(135deg, rgba(11,8,16,.9) 0%, rgba(18,13,23,.82) 48%, rgba(11,8,16,.92) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      box-shadow: var(--shadow);
    }

    .hero-shell::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(900px 420px at 74% 18%, rgba(200,162,106,.12), transparent 52%),
        radial-gradient(720px 380px at 28% 22%, rgba(141,78,99,.22), transparent 54%),
        linear-gradient(90deg, rgba(8,6,11,.62), transparent 56%);
      pointer-events: none;
    }

    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.35fr) minmax(280px, .95fr);
      gap: 24px;
      padding: clamp(26px, 4vw, 46px);
      align-items: stretch;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.05);
      border: 1px solid rgba(255,255,255,.08);
      color: var(--muted);
      font-size: .88rem;
      letter-spacing: .2px;
      margin-bottom: 18px;
    }

    .eyebrow .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: linear-gradient(180deg, #d8b57a, #9d6d50);
      box-shadow: 0 0 0 4px rgba(200,162,106,.15);
    }

    .hero h1 {
      margin: 0;
      font-size: clamp(2.2rem, 4.8vw, 4.55rem);
      line-height: 1.04;
      letter-spacing: -.03em;
      text-wrap: balance;
    }

    .hero p {
      margin: 18px 0 0;
      max-width: 62ch;
      color: rgba(244,240,246,.82);
      font-size: 1.05rem;
    }

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

    .hero-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 36px;
      padding: 0 14px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.08);
      background: rgba(255,255,255,.04);
      color: var(--text);
      font-size: .92rem;
    }

    .badge::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: linear-gradient(180deg, #c8a26a, #8e4a5d);
      box-shadow: 0 0 0 4px rgba(200,162,106,.12);
    }

    .hero-visual {
      position: relative;
      display: grid;
      gap: 14px;
      align-content: start;
    }

    .hero-card,
    .panel,
    .feature-card,
    .content-card,
    .list-card,
    .guide-card,
    .faq-card,
    .cta-box {
      background: linear-gradient(180deg, rgba(25,19,31,.92), rgba(18,13,23,.94));
      border: 1px solid rgba(255,255,255,.08);
      box-shadow: var(--shadow-sm);
    }

    .hero-card {
      border-radius: var(--radius);
      overflow: hidden;
      min-height: 100%;
    }

    .hero-preview {
      position: relative;
      aspect-ratio: 4 / 5;
      overflow: hidden;
      border-bottom: 1px solid rgba(255,255,255,.08);
    }

    .hero-preview img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: saturate(.92) contrast(1.02);
      transform: scale(1.01);
    }

    .hero-preview::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, transparent 0%, rgba(8,6,11,.1) 45%, rgba(8,6,11,.82) 100%);
    }

    .hero-card-body {
      padding: 18px;
    }

    .hero-card-title {
      margin: 0 0 8px;
      font-size: 1.05rem;
      line-height: 1.35;
    }

    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      color: var(--muted);
      font-size: .9rem;
    }

    .hero-stats {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
    }

    .stat {
      padding: 14px 14px 12px;
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.03);
      border: 1px solid rgba(255,255,255,.08);
    }

    .stat strong {
      display: block;
      font-size: 1rem;
      line-height: 1.2;
      color: #fff;
      margin-bottom: 5px;
    }

    .stat span {
      font-size: .88rem;
      color: var(--muted);
    }

    .section {
      padding: 22px 0 6px;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: end;
      gap: 20px;
      margin-bottom: 18px;
    }

    .section-head .title-wrap {
      max-width: 760px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--gold);
      font-weight: 700;
      font-size: .92rem;
      margin-bottom: 8px;
    }

    .section-kicker::before {
      content: "";
      width: 26px;
      height: 1px;
      background: linear-gradient(90deg, rgba(200,162,106,.1), rgba(200,162,106,.9));
    }

    .section h2 {
      margin: 0;
      font-size: clamp(1.45rem, 2.7vw, 2.2rem);
      line-height: 1.2;
    }

    .section-desc {
      margin: 10px 0 0;
      color: var(--muted);
      max-width: 72ch;
    }

    .section-link {
      color: rgba(255,255,255,.92);
      border-bottom: 1px solid rgba(255,255,255,.16);
      padding-bottom: 2px;
    }

    .section-link:hover {
      color: var(--gold);
      border-bottom-color: rgba(200,162,106,.5);
    }

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

    .entry-card {
      position: relative;
      padding: 18px;
      border-radius: var(--radius);
      overflow: hidden;
      background:
        linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.02)),
        linear-gradient(135deg, rgba(32,24,36,.95), rgba(18,14,24,.98));
      border: 1px solid rgba(255,255,255,.08);
      min-height: 168px;
      transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }

    .entry-card:hover {
      transform: translateY(-3px);
      border-color: rgba(200,162,106,.26);
      box-shadow: 0 18px 34px rgba(0,0,0,.32);
    }

    .entry-icon {
      width: 44px;
      height: 44px;
      border-radius: 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, rgba(200,162,106,.18), rgba(141,78,99,.2));
      border: 1px solid rgba(255,255,255,.08);
      color: #f5dfbf;
      margin-bottom: 16px;
      font-size: 1.15rem;
    }

    .entry-card h3 {
      margin: 0 0 8px;
      font-size: 1.08rem;
    }

    .entry-card p {
      margin: 0;
      color: var(--muted);
      font-size: .95rem;
    }

    .spotlight-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
      gap: 18px;
      align-items: start;
    }

    .spotlight-main {
      display: grid;
      gap: 18px;
    }

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

    .feature-card:hover {
      transform: translateY(-4px);
      border-color: rgba(200,162,106,.24);
      box-shadow: 0 18px 40px rgba(0,0,0,.34);
    }

    .feature-media {
      position: relative;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: #1a1320;
    }

    .feature-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 500ms ease;
    }

    .feature-card:hover .feature-media img {
      transform: scale(1.04);
    }

    .feature-media::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 35%, rgba(8,6,11,.76) 100%);
    }

    .feature-body {
      padding: 18px 18px 20px;
    }

    .feature-topline {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
      margin-bottom: 10px;
    }

    .pill {
      display: inline-flex;
      align-items: center;
      padding: 6px 10px;
      border-radius: 999px;
      font-size: .82rem;
      color: #f8e8d0;
      background: rgba(200,162,106,.12);
      border: 1px solid rgba(200,162,106,.16);
    }

    .pill.alt {
      color: #ead9e2;
      background: rgba(141,78,99,.12);
      border-color: rgba(141,78,99,.16);
    }

    .feature-body h3 {
      margin: 0 0 10px;
      font-size: 1.22rem;
      line-height: 1.35;
    }

    .feature-body p {
      margin: 0;
      color: var(--muted);
    }

    .feature-foot {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 10px;
      margin-top: 16px;
      color: var(--muted);
      font-size: .92rem;
    }

    .feature-side {
      display: grid;
      gap: 16px;
    }

    .mini-stack {
      display: grid;
      grid-template-columns: 88px 1fr;
      gap: 14px;
      align-items: center;
      padding: 14px;
      border-radius: var(--radius);
      border: 1px solid rgba(255,255,255,.08);
      background: rgba(255,255,255,.03);
    }

    .mini-stack img {
      width: 88px;
      aspect-ratio: 1 / 1;
      object-fit: cover;
      border-radius: 16px;
    }

    .mini-stack h4 {
      margin: 0 0 6px;
      font-size: 1rem;
    }

    .mini-stack p {
      margin: 0;
      color: var(--muted);
      font-size: .92rem;
    }

    .mini-lines {
      display: grid;
      gap: 10px;
    }

    .mini-line {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      padding: 14px 16px;
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.03);
      border: 1px solid rgba(255,255,255,.08);
    }

    .mini-line span {
      color: var(--muted);
      font-size: .92rem;
    }

    .mini-line strong {
      color: var(--text);
      font-size: .94rem;
    }

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

    .list-card {
      position: relative;
      padding: 18px;
      border-radius: var(--radius);
      overflow: hidden;
      transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }

    .list-card:hover {
      transform: translateY(-3px);
      border-color: rgba(200,162,106,.2);
      box-shadow: 0 18px 34px rgba(0,0,0,.34);
      background: linear-gradient(180deg, rgba(28,22,35,.95), rgba(16,11,22,.96));
    }

    .list-head {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
      margin-bottom: 12px;
    }

    .list-title {
      margin: 0 0 10px;
      font-size: 1.08rem;
      line-height: 1.45;
    }

    .list-title a:hover {
      color: #f2d6ab;
    }

    .list-desc {
      margin: 0;
      color: var(--muted);
      font-size: .95rem;
    }

    .list-meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      margin-top: 16px;
      color: var(--soft);
      font-size: .88rem;
    }

    .list-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 16px;
      color: #f7e7ca;
      font-weight: 700;
    }

    .list-link::after {
      content: "→";
      transition: transform var(--transition);
    }

    .list-card:hover .list-link::after {
      transform: translateX(3px);
    }

    .empty-state {
      padding: 28px;
      border-radius: var(--radius);
      border: 1px dashed rgba(255,255,255,.14);
      background: rgba(255,255,255,.03);
      color: var(--muted);
      text-align: center;
    }

    .guide-grid {
      display: grid;
      grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
      gap: 18px;
      align-items: start;
    }

    .guide-card {
      border-radius: var(--radius);
      overflow: hidden;
      padding: 20px;
    }

    .guide-banner {
      position: relative;
      border-radius: 18px;
      overflow: hidden;
      aspect-ratio: 16 / 10;
      margin-bottom: 18px;
      border: 1px solid rgba(255,255,255,.08);
    }

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

    .guide-banner::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 20%, rgba(8,6,11,.8) 100%);
    }

    .guide-card h3 {
      margin: 0 0 10px;
      font-size: 1.15rem;
    }

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

    .timeline {
      display: grid;
      gap: 12px;
    }

    .timeline-item {
      display: grid;
      grid-template-columns: 32px 1fr;
      gap: 12px;
      align-items: start;
      padding: 14px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255,255,255,.08);
      background: rgba(255,255,255,.03);
    }

    .timeline-dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      margin-top: 5px;
      background: linear-gradient(180deg, #d8b57a, #8e4a5d);
      box-shadow: 0 0 0 5px rgba(200,162,106,.12);
    }

    .timeline-item strong {
      display: block;
      margin-bottom: 4px;
      color: var(--text);
    }

    .timeline-item span {
      color: var(--muted);
      font-size: .94rem;
    }

    .tag-wall {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 16px;
    }

    .tag {
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.03);
      border: 1px solid rgba(255,255,255,.08);
      color: var(--muted);
      font-size: .88rem;
    }

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

    .accordion {
      border-radius: var(--radius);
      border: 1px solid rgba(255,255,255,.08);
      overflow: hidden;
      background: rgba(255,255,255,.03);
    }

    .accordion summary {
      list-style: none;
      cursor: pointer;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      font-weight: 700;
    }

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

    .accordion summary::after {
      content: "+";
      color: var(--gold);
      font-size: 1.2rem;
      line-height: 1;
      transition: transform var(--transition);
    }

    .accordion[open] summary::after {
      content: "–";
    }

    .accordion .answer {
      padding: 0 20px 18px;
      color: var(--muted);
      border-top: 1px solid rgba(255,255,255,.06);
      margin-top: 0;
    }

    .cta-box {
      border-radius: calc(var(--radius) + 4px);
      overflow: hidden;
      position: relative;
      background:
        linear-gradient(135deg, rgba(34,20,30,.96), rgba(14,10,17,.98)),
        url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
    }

    .cta-box::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(700px 280px at 18% 20%, rgba(200,162,106,.14), transparent 55%),
        radial-gradient(700px 320px at 82% 60%, rgba(141,78,99,.18), transparent 52%);
      pointer-events: none;
    }

    .cta-inner {
      position: relative;
      z-index: 1;
      padding: clamp(24px, 4vw, 38px);
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 22px;
      flex-wrap: wrap;
    }

    .cta-inner h2 {
      margin: 0 0 10px;
      font-size: clamp(1.6rem, 3vw, 2.3rem);
    }

    .cta-inner p {
      margin: 0;
      color: rgba(244,240,246,.82);
      max-width: 70ch;
    }

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

    .site-footer {
      margin-top: 20px;
      padding: 34px 0 28px;
      border-top: 1px solid rgba(255,255,255,.08);
      background: linear-gradient(180deg, rgba(10,8,14,.2), rgba(7,5,10,.55));
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) repeat(2, minmax(0, .7fr));
      gap: 20px;
      align-items: start;
    }

    .footer-brand {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-brand p {
      margin: 0;
      color: var(--muted);
      max-width: 52ch;
    }

    .footer-col h3 {
      margin: 0 0 12px;
      font-size: 1rem;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: var(--muted);
      width: fit-content;
    }

    .footer-links a:hover {
      color: var(--text);
    }

    .footer-note {
      margin-top: 18px;
      padding-top: 18px;
      border-top: 1px solid rgba(255,255,255,.08);
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      color: var(--soft);
      font-size: .92rem;
    }

    .split {
      display: inline-block;
      width: 1px;
      height: 12px;
      vertical-align: middle;
      background: rgba(255,255,255,.14);
      margin: 0 10px;
    }

    .muted { color: var(--muted); }
    .small { font-size: .92rem; }

    .reveal {
      position: relative;
    }

    .nav-mobile-panel {
      display: none;
    }

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

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

      .nav-search {
        min-width: 230px;
      }
    }

    @media (max-width: 860px) {
      .header-inner {
        gap: 12px;
      }

      .brand {
        min-width: auto;
      }

      .nav-wrap {
        justify-content: flex-end;
      }

      .nav-panel {
        display: none;
      }

      .nav-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }

      .nav-mobile-panel {
        display: none;
        padding: 0 0 16px;
      }

      .nav-mobile-panel.open {
        display: block;
      }

      .nav-mobile-box {
        margin-top: 0;
        padding: 14px;
        border-radius: 18px;
        background: rgba(18, 13, 23, .96);
        border: 1px solid rgba(255,255,255,.08);
        box-shadow: var(--shadow-sm);
      }

      .nav-mobile-links {
        display: grid;
        gap: 8px;
      }

      .nav-mobile-links a {
        padding: 12px 14px;
        border-radius: 14px;
        background: rgba(255,255,255,.03);
        border: 1px solid rgba(255,255,255,.06);
        color: var(--muted);
      }

      .nav-mobile-links a:hover,
      .nav-mobile-links a.active {
        color: var(--text);
        border-color: rgba(200,162,106,.22);
      }

      .nav-mobile-tools {
        display: grid;
        gap: 10px;
        margin-top: 12px;
      }

      .nav-search {
        min-width: 0;
        width: 100%;
      }

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

    @media (max-width: 640px) {
      .container {
        width: min(var(--container), calc(100% - 28px));
      }

      .hero {
        padding-top: 18px;
      }

      .hero-grid {
        padding: 18px;
      }

      .hero h1 {
        font-size: clamp(2rem, 9vw, 3rem);
      }

      .hero p {
        font-size: 1rem;
      }

      .hero-stats,
      .entry-grid {
        grid-template-columns: 1fr;
      }

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

      .cta-inner {
        padding: 20px;
      }

      .cta-actions {
        width: 100%;
      }

      .cta-actions .btn {
        flex: 1 1 160px;
      }

      .accordion summary {
        padding: 16px;
      }

      .accordion .answer {
        padding-inline: 16px;
      }

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

      .mini-stack {
        grid-template-columns: 72px 1fr;
      }

      .mini-stack img {
        width: 72px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *,
      *::before,
      *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
        scroll-behavior: auto !important;
      }
    }

/* roulang page: article */
:root{
      --bg: #0b0810;
      --bg-2: #120d17;
      --panel: rgba(22, 17, 28, .88);
      --panel-2: rgba(30, 23, 38, .92);
      --line: rgba(255,255,255,.08);
      --line-2: rgba(255,255,255,.12);
      --text: #f4f0f6;
      --muted: #b7adbf;
      --soft: #8d8496;
      --gold: #c8a26a;
      --rose: #8e4a5d;
      --wine: #592636;
      --purple: #4d2f66;
      --shadow: 0 24px 60px rgba(0,0,0,.42);
      --shadow-sm: 0 10px 30px rgba(0,0,0,.25);
      --radius: 22px;
      --radius-sm: 16px;
      --radius-xs: 12px;
      --space: clamp(16px, 2vw, 24px);
      --container: 1180px;
      --transition: 220ms cubic-bezier(.2,.8,.2,1);
      --focus: 0 0 0 3px rgba(200,162,106,.26);
    }

    html { scroll-behavior: smooth; }
    * { box-sizing: border-box; }
    body {
      margin: 0;
      color: var(--text);
      background:
        radial-gradient(1200px 700px at 18% -10%, rgba(141, 78, 99, .18), transparent 55%),
        radial-gradient(1000px 600px at 82% 8%, rgba(77, 47, 102, .18), transparent 50%),
        linear-gradient(180deg, #09070d 0%, #0b0810 38%, #0e0913 100%);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", "Segoe UI", Arial, sans-serif;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
      overflow-x: hidden;
    }
    body::before{
      content:"";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background:
        linear-gradient(180deg, rgba(255,255,255,.025), transparent 16%),
        radial-gradient(circle at 10% 15%, rgba(200,162,106,.06), transparent 14%),
        radial-gradient(circle at 90% 20%, rgba(141,78,99,.06), transparent 18%);
      opacity: .9;
      z-index: -1;
    }
    img {
      max-width: 100%;
      display: block;
      vertical-align: middle;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition), border-color var(--transition), background var(--transition), transform var(--transition), opacity var(--transition), box-shadow var(--transition);
    }
    a:hover { text-decoration: none; }
    button, input {
      font: inherit;
    }
    button {
      border: 0;
      background: none;
    }
    ::selection {
      background: rgba(200,162,106,.28);
      color: #fff;
    }

    .container {
      width: min(var(--container), calc(100% - 2 * var(--space)));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      backdrop-filter: blur(14px);
      background: rgba(8, 6, 11, .72);
      border-bottom: 1px solid rgba(255,255,255,.06);
    }
    .header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      gap: 18px;
      padding: 12px 0;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 220px;
      font-weight: 800;
      letter-spacing: .2px;
      color: var(--text);
      white-space: nowrap;
    }
    .brand:hover { color: #fff; }
    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 13px;
      background:
        radial-gradient(circle at 30% 28%, rgba(255,255,255,.32), transparent 28%),
        linear-gradient(160deg, rgba(200,162,106,1), rgba(141,78,99,1));
      box-shadow: 0 14px 30px rgba(141,78,99,.3);
      position: relative;
      flex: 0 0 auto;
    }
    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 9px;
      border-radius: 10px;
      border: 1px solid rgba(255,255,255,.26);
    }
    .brand-text {
      font-size: 1rem;
      line-height: 1.15;
    }
    .brand-sub {
      display: block;
      margin-top: 2px;
      font-size: .76rem;
      color: var(--muted);
      font-weight: 500;
    }
    .nav-wrap {
      display: flex;
      align-items: center;
      gap: 16px;
      flex: 1 1 auto;
      min-width: 0;
    }
    .nav-panel {
      display: flex;
      align-items: center;
      gap: 16px;
      flex: 1 1 auto;
      min-width: 0;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      flex-wrap: wrap;
      margin-left: auto;
    }
    .nav-links a {
      position: relative;
      padding: 10px 14px;
      border-radius: 999px;
      color: var(--muted);
      font-size: .96rem;
      border: 1px solid transparent;
    }
    .nav-links a:hover,
    .nav-links a:focus-visible,
    .nav-links a.active {
      color: var(--text);
      background: rgba(255,255,255,.04);
      border-color: rgba(255,255,255,.08);
      box-shadow: inset 0 0 0 1px rgba(200,162,106,.1);
      outline: none;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-left: auto;
    }
    .nav-search {
      display: flex;
      align-items: center;
      gap: 8px;
      min-width: 290px;
      padding: 7px 8px 7px 14px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.03);
      transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }
    .nav-search:focus-within {
      border-color: rgba(200,162,106,.35);
      box-shadow: var(--focus);
      background: rgba(255,255,255,.05);
    }
    .nav-search input {
      appearance: none;
      border: 0;
      outline: 0;
      background: transparent;
      color: var(--text);
      width: 100%;
      min-width: 0;
    }
    .nav-search input::placeholder {
      color: rgba(183,173,191,.7);
    }
    .nav-search button,
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 42px;
      padding: 0 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      cursor: pointer;
      transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), color var(--transition), opacity var(--transition);
      font-weight: 700;
      white-space: nowrap;
    }
    .nav-search button {
      flex: 0 0 auto;
      background: linear-gradient(135deg, rgba(200,162,106,1), rgba(165,115,78,1));
      color: #1b1112;
      box-shadow: 0 10px 18px rgba(200,162,106,.12);
    }
    .nav-search button:hover,
    .btn:hover {
      transform: translateY(-1px);
    }
    .nav-search button:active,
    .btn:active {
      transform: translateY(0);
    }
    .btn:focus-visible,
    .nav-search button:focus-visible,
    .nav-search input:focus-visible,
    .icon-btn:focus-visible,
    .nav-toggle:focus-visible,
    .accordion summary:focus-visible,
    .content-link:focus-visible {
      outline: none;
      box-shadow: var(--focus);
    }
    .btn-primary {
      background: linear-gradient(135deg, #c8a26a 0%, #9d6d50 45%, #7f4056 100%);
      color: #fff6ea;
      box-shadow: 0 14px 30px rgba(124, 78, 93, .25);
    }
    .btn-primary:hover {
      box-shadow: 0 18px 34px rgba(124, 78, 93, .35);
      color: #fff;
    }
    .btn-secondary {
      background: rgba(255,255,255,.04);
      border-color: rgba(255,255,255,.1);
      color: var(--text);
    }
    .btn-secondary:hover {
      background: rgba(255,255,255,.07);
      border-color: rgba(255,255,255,.16);
    }
    .icon-btn,
    .nav-toggle {
      width: 42px;
      height: 42px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.08);
      background: rgba(255,255,255,.03);
      color: var(--text);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .icon-btn:hover,
    .nav-toggle:hover {
      transform: translateY(-1px);
      border-color: rgba(200,162,106,.22);
      background: rgba(255,255,255,.06);
    }
    .hamburger {
      width: 16px;
      display: grid;
      gap: 3px;
    }
    .hamburger span {
      display: block;
      height: 2px;
      border-radius: 99px;
      background: currentColor;
    }
    .nav-toggle {
      display: none;
    }

    .nav-mobile-panel {
      display: none;
      padding: 0 0 16px;
    }
    .nav-mobile-box {
      border: 1px solid var(--line);
      background: rgba(18, 13, 23, .94);
      border-radius: var(--radius);
      padding: 14px;
      box-shadow: var(--shadow-sm);
    }
    .nav-mobile-links {
      display: grid;
      gap: 8px;
    }
    .nav-mobile-links a {
      padding: 12px 14px;
      border-radius: 14px;
      color: var(--muted);
      border: 1px solid transparent;
      background: rgba(255,255,255,.02);
    }
    .nav-mobile-links a.active,
    .nav-mobile-links a:hover,
    .nav-mobile-links a:focus-visible {
      color: var(--text);
      border-color: rgba(200,162,106,.16);
      background: rgba(255,255,255,.05);
      outline: none;
    }
    .nav-mobile-tools {
      margin-top: 12px;
    }
    .nav-mobile-tools .nav-search {
      min-width: 0;
      width: 100%;
    }

    .article-hero {
      position: relative;
      padding: 42px 0 22px;
      overflow: hidden;
    }
    .article-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, rgba(9,7,13,.16), rgba(9,7,13,.72) 84%),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      opacity: .26;
      filter: saturate(.92) contrast(1.02);
      transform: scale(1.03);
      z-index: -2;
    }
    .article-hero::after {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(700px 260px at 30% 10%, rgba(200,162,106,.18), transparent 65%);
      z-index: -1;
    }
    .article-hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.3fr) minmax(320px, .72fr);
      gap: 24px;
      align-items: stretch;
    }
    .article-hero-copy {
      padding: 28px 0;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      color: #f3e7d2;
      background: rgba(200,162,106,.12);
      border: 1px solid rgba(200,162,106,.18);
      font-size: .92rem;
      letter-spacing: .2px;
    }
    .eyebrow .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: linear-gradient(135deg, rgba(200,162,106,1), rgba(141,78,99,1));
      box-shadow: 0 0 0 4px rgba(200,162,106,.08);
    }
    .breadcrumbs {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      margin: 18px 0 16px;
      color: var(--muted);
      font-size: .94rem;
    }
    .breadcrumbs a:hover {
      color: var(--text);
    }
    .breadcrumbs span {
      color: rgba(183,173,191,.55);
    }
    .article-hero h1 {
      margin: 0;
      font-size: clamp(2rem, 4vw, 3.8rem);
      line-height: 1.08;
      letter-spacing: -.02em;
      text-wrap: balance;
      max-width: 15ch;
    }
    .hero-lead {
      margin: 16px 0 0;
      max-width: 58ch;
      color: var(--muted);
      font-size: 1.04rem;
      line-height: 1.9;
    }
    .article-meta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin: 22px 0 0;
    }
    .meta-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 38px;
      padding: 0 14px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.035);
      color: var(--muted);
      font-size: .92rem;
    }
    .meta-pill strong {
      color: var(--text);
      font-weight: 700;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }
    .hero-actions .btn {
      min-width: 132px;
    }
    .hero-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 36px;
      padding: 0 12px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.08);
      background: rgba(255,255,255,.035);
      color: var(--muted);
      font-size: .88rem;
    }
    .badge::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: linear-gradient(135deg, #c8a26a, #8e4a5d);
      box-shadow: 0 0 0 4px rgba(200,162,106,.08);
    }

    .article-hero-card {
      position: relative;
      overflow: hidden;
      border-radius: calc(var(--radius) + 4px);
      border: 1px solid rgba(255,255,255,.09);
      background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
      box-shadow: var(--shadow);
      min-height: 340px;
    }
    .article-hero-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: saturate(.92) contrast(1.02);
      transform: scale(1.02);
    }
    .hero-card-overlay {
      position: absolute;
      inset: auto 16px 16px 16px;
      padding: 16px;
      border-radius: 18px;
      background: linear-gradient(180deg, rgba(16,12,21,.22), rgba(16,12,21,.72));
      border: 1px solid rgba(255,255,255,.1);
      backdrop-filter: blur(10px);
    }
    .hero-card-overlay h2 {
      margin: 0 0 8px;
      font-size: 1.02rem;
      line-height: 1.35;
    }
    .hero-card-overlay p {
      margin: 0;
      color: var(--muted);
      font-size: .92rem;
      line-height: 1.7;
    }
    .overlay-stats {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 8px;
      margin-top: 14px;
    }
    .overlay-stat {
      padding: 10px 10px 9px;
      border-radius: 14px;
      background: rgba(255,255,255,.045);
      border: 1px solid rgba(255,255,255,.07);
      text-align: center;
    }
    .overlay-stat b {
      display: block;
      font-size: .98rem;
      color: #fff;
      margin-bottom: 3px;
    }
    .overlay-stat span {
      color: var(--muted);
      font-size: .78rem;
    }

    .article-guides {
      padding: 16px 0 10px;
    }
    .section-title {
      margin: 0 0 12px;
      font-size: clamp(1.28rem, 2vw, 1.72rem);
      line-height: 1.2;
      letter-spacing: -.01em;
    }
    .section-lead {
      margin: 0 0 18px;
      color: var(--muted);
      max-width: 72ch;
    }
    .guide-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }
    .guide-card {
      position: relative;
      padding: 18px 18px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
    }
    .guide-card:hover {
      transform: translateY(-2px);
      border-color: rgba(200,162,106,.18);
      background: linear-gradient(180deg, rgba(255,255,255,.065), rgba(255,255,255,.03));
      box-shadow: 0 18px 32px rgba(0,0,0,.22);
    }
    .guide-card h3 {
      margin: 0 0 8px;
      font-size: 1rem;
    }
    .guide-card p {
      margin: 0;
      color: var(--muted);
      font-size: .94rem;
      line-height: 1.8;
    }
    .guide-icon {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      margin-bottom: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, rgba(200,162,106,.16), rgba(141,78,99,.14));
      border: 1px solid rgba(255,255,255,.08);
      color: #f6e9d3;
      font-weight: 900;
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.04);
    }

    .article-main {
      padding: 24px 0 58px;
    }
    .article-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.12fr) minmax(300px, .52fr);
      gap: 22px;
      align-items: start;
    }
    .reading-panel,
    .side-card,
    .empty-panel,
    .cta-panel,
    .faq-wrap {
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: var(--panel);
      box-shadow: var(--shadow-sm);
    }
    .reading-panel {
      overflow: hidden;
    }
    .feature-figure {
      position: relative;
      aspect-ratio: 16/9;
      overflow: hidden;
      border-bottom: 1px solid var(--line);
      background: rgba(255,255,255,.03);
    }
    .feature-figure img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transform: scale(1.01);
    }
    .feature-figure::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(9,7,13,.04), rgba(9,7,13,.42));
      pointer-events: none;
    }
    .content-body {
      padding: 24px clamp(18px, 2.2vw, 32px) 26px;
      color: var(--text);
      font-size: 1.02rem;
      line-height: 1.95;
      overflow-wrap: anywhere;
    }
    .content-body > *:first-child {
      margin-top: 0;
    }
    .content-body h2,
    .content-body h3,
    .content-body h4 {
      margin: 1.5em 0 .7em;
      line-height: 1.25;
      letter-spacing: -.01em;
      text-wrap: balance;
    }
    .content-body h2 { font-size: 1.48rem; }
    .content-body h3 { font-size: 1.22rem; }
    .content-body h4 { font-size: 1.08rem; }
    .content-body p {
      margin: 0 0 1em;
      color: rgba(244,240,246,.94);
    }
    .content-body a {
      color: #f0d6a4;
      border-bottom: 1px solid rgba(200,162,106,.35);
    }
    .content-body a:hover {
      color: #fff;
      border-bottom-color: rgba(255,255,255,.45);
    }
    .content-body ul,
    .content-body ol {
      margin: 0 0 1em 1.2em;
      padding: 0;
    }
    .content-body li {
      margin: .28em 0;
      color: rgba(244,240,246,.94);
    }
    .content-body blockquote {
      margin: 1.2em 0;
      padding: 16px 18px;
      border-left: 3px solid rgba(200,162,106,.55);
      background: rgba(255,255,255,.04);
      border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
      color: var(--muted);
    }
    .content-body hr {
      border: 0;
      height: 1px;
      margin: 1.5em 0;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,.14), transparent);
    }
    .content-body img {
      margin: 1.2em 0;
      border-radius: 18px;
      box-shadow: 0 16px 34px rgba(0,0,0,.22);
    }
    .content-body figure {
      margin: 1.2em 0;
    }
    .content-body figcaption {
      margin-top: 8px;
      color: var(--soft);
      font-size: .9rem;
      text-align: center;
    }
    .content-body table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.2em 0;
      overflow: hidden;
      border-radius: 16px;
      display: block;
      overflow-x: auto;
    }
    .content-body th,
    .content-body td {
      padding: 12px 14px;
      border-bottom: 1px solid rgba(255,255,255,.08);
      text-align: left;
      white-space: nowrap;
    }
    .content-body th {
      background: rgba(255,255,255,.04);
      color: #fff;
    }
    .content-body pre {
      margin: 1.2em 0;
      padding: 16px 18px;
      border-radius: 18px;
      overflow: auto;
      background: #100c14;
      border: 1px solid rgba(255,255,255,.08);
      color: #ebdfef;
    }
    .content-body code {
      padding: .18em .38em;
      border-radius: 8px;
      background: rgba(255,255,255,.06);
      color: #f5dfb8;
    }
    .content-body pre code {
      padding: 0;
      background: transparent;
      color: inherit;
    }

    .article-end {
      padding: 0 clamp(18px, 2.2vw, 32px) 28px;
    }
    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      padding-top: 4px;
    }
    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 0 12px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.08);
      background: rgba(255,255,255,.035);
      color: var(--muted);
      font-size: .88rem;
    }

    .side-stack {
      display: grid;
      gap: 16px;
    }
    .side-card {
      padding: 18px;
    }
    .side-card h3 {
      margin: 0 0 12px;
      font-size: 1.04rem;
      line-height: 1.35;
    }
    .side-list {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .side-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: var(--muted);
      font-size: .95rem;
      line-height: 1.7;
    }
    .side-list li::before {
      content: "";
      width: 8px;
      height: 8px;
      margin-top: .55em;
      flex: 0 0 auto;
      border-radius: 50%;
      background: linear-gradient(135deg, #c8a26a, #8e4a5d);
      box-shadow: 0 0 0 4px rgba(200,162,106,.06);
    }
    .mini-card-list {
      display: grid;
      gap: 12px;
    }
    .mini-card {
      display: grid;
      grid-template-columns: 88px minmax(0, 1fr);
      gap: 12px;
      padding: 10px;
      border-radius: 18px;
      border: 1px solid rgba(255,255,255,.08);
      background: rgba(255,255,255,.03);
      transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
    }
    .mini-card:hover {
      transform: translateY(-2px);
      border-color: rgba(200,162,106,.16);
      background: rgba(255,255,255,.05);
      box-shadow: 0 14px 28px rgba(0,0,0,.18);
    }
    .mini-card img {
      width: 88px;
      height: 74px;
      object-fit: cover;
      border-radius: 14px;
    }
    .mini-card h4 {
      margin: 0 0 6px;
      font-size: .98rem;
      line-height: 1.45;
    }
    .mini-card p {
      margin: 0;
      color: var(--muted);
      font-size: .9rem;
      line-height: 1.7;
    }
    .mini-meta {
      margin-top: 8px;
      color: var(--soft);
      font-size: .82rem;
    }
    .content-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 40px;
      padding: 0 14px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.1);
      background: rgba(255,255,255,.04);
      color: var(--text);
      font-weight: 700;
      transition: transform var(--transition), background var(--transition), border-color var(--transition);
    }
    .content-link:hover {
      transform: translateY(-1px);
      border-color: rgba(200,162,106,.18);
      background: rgba(255,255,255,.07);
    }
    .info-grid {
      display: grid;
      gap: 10px;
    }
    .info-item {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 11px 0;
      border-bottom: 1px dashed rgba(255,255,255,.08);
      color: var(--muted);
      font-size: .94rem;
    }
    .info-item:last-child {
      border-bottom: 0;
      padding-bottom: 0;
    }
    .info-item strong {
      color: var(--text);
      font-weight: 700;
    }

    .faq-wrap {
      padding: 18px;
      margin-top: 18px;
    }
    .accordion {
      display: grid;
      gap: 10px;
      margin-top: 14px;
    }
    .accordion details {
      border: 1px solid rgba(255,255,255,.08);
      background: rgba(255,255,255,.03);
      border-radius: 18px;
      overflow: hidden;
    }
    .accordion summary {
      list-style: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 16px 18px;
      font-weight: 700;
      color: var(--text);
    }
    .accordion summary::-webkit-details-marker {
      display: none;
    }
    .accordion summary::after {
      content: "＋";
      color: var(--gold);
      font-weight: 800;
      transition: transform var(--transition);
      flex: 0 0 auto;
    }
    .accordion details[open] summary {
      border-bottom: 1px solid rgba(255,255,255,.08);
    }
    .accordion details[open] summary::after {
      content: "－";
    }
    .accordion .answer {
      padding: 0 18px 16px;
      color: var(--muted);
      line-height: 1.9;
    }

    .cta-panel {
      margin-top: 18px;
      padding: 24px;
      background:
        linear-gradient(135deg, rgba(77,47,102,.22), rgba(89,38,54,.28)),
        rgba(16, 12, 21, .94);
      border-color: rgba(255,255,255,.1);
    }
    .cta-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.35fr) auto;
      gap: 18px;
      align-items: center;
    }
    .cta-panel h2 {
      margin: 0 0 8px;
      font-size: clamp(1.3rem, 2vw, 1.9rem);
      line-height: 1.25;
    }
    .cta-panel p {
      margin: 0;
      color: var(--muted);
      line-height: 1.8;
    }
    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }

    .empty-panel {
      padding: 46px 22px;
      text-align: center;
      background:
        radial-gradient(500px 220px at 50% 0%, rgba(200,162,106,.10), transparent 70%),
        var(--panel);
    }
    .empty-panel h2 {
      margin: 16px 0 10px;
      font-size: 1.6rem;
    }
    .empty-panel p {
      margin: 0 auto 18px;
      max-width: 42ch;
      color: var(--muted);
      line-height: 1.9;
    }
    .empty-icon {
      width: 68px;
      height: 68px;
      margin: 0 auto;
      border-radius: 22px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, rgba(200,162,106,.18), rgba(141,78,99,.18));
      border: 1px solid rgba(255,255,255,.08);
      font-size: 1.7rem;
      box-shadow: var(--shadow-sm);
    }

    .site-footer {
      margin-top: 18px;
      padding: 28px 0 18px;
      border-top: 1px solid rgba(255,255,255,.06);
      background: linear-gradient(180deg, rgba(10,8,14,.42), rgba(6,5,9,.85));
    }
    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.3fr) repeat(2, minmax(180px, .7fr));
      gap: 18px;
      align-items: start;
    }
    .footer-brand .brand {
      margin-bottom: 12px;
    }
    .footer-brand p {
      margin: 0;
      color: var(--muted);
      max-width: 48ch;
      line-height: 1.9;
    }
    .footer-col h3 {
      margin: 4px 0 12px;
      font-size: 1rem;
    }
    .footer-links {
      display: grid;
      gap: 10px;
    }
    .footer-links a,
    .footer-links span {
      color: var(--muted);
      line-height: 1.7;
    }
    .footer-links a:hover {
      color: var(--text);
    }
    .footer-links .muted {
      color: var(--soft);
    }
    .footer-note {
      margin-top: 20px;
      padding-top: 14px;
      border-top: 1px solid rgba(255,255,255,.08);
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 10px;
      color: var(--soft);
      font-size: .92rem;
    }

    .back-top {
      position: fixed;
      right: 18px;
      bottom: 18px;
      z-index: 900;
      width: 46px;
      height: 46px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      background: linear-gradient(135deg, rgba(200,162,106,.95), rgba(141,78,99,.95));
      box-shadow: 0 16px 30px rgba(0,0,0,.28);
      border: 1px solid rgba(255,255,255,.12);
    }
    .back-top:hover {
      transform: translateY(-2px);
    }

    @media (max-width: 1120px) {
      .article-hero-grid,
      .article-layout,
      .footer-grid,
      .cta-grid {
        grid-template-columns: 1fr;
      }
      .article-hero-card {
        min-height: 280px;
      }
      .guide-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      .cta-actions {
        justify-content: flex-start;
      }
    }

    @media (max-width: 992px) {
      .nav-search {
        min-width: 240px;
      }
      .brand {
        min-width: 0;
      }
    }

    @media (max-width: 840px) {
      .nav-panel {
        display: none;
      }
      .nav-toggle {
        display: inline-flex;
      }
      .nav-mobile-panel.open {
        display: block;
      }
      .nav-search {
        min-width: 0;
      }
      .article-hero {
        padding-top: 28px;
      }
      .article-hero h1 {
        max-width: none;
      }
      .guide-grid {
        grid-template-columns: 1fr;
      }
      .overlay-stats {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 640px) {
      .header-inner {
        gap: 12px;
      }
      .brand-sub {
        display: none;
      }
      .nav-actions {
        gap: 8px;
      }
      .nav-search input {
        width: 100px;
      }
      .article-hero-copy {
        padding: 18px 0 4px;
      }
      .article-hero h1 {
        font-size: clamp(1.8rem, 8vw, 2.6rem);
      }
      .hero-actions .btn,
      .cta-actions .btn {
        width: 100%;
      }
      .hero-actions,
      .cta-actions {
        display: grid;
        grid-template-columns: 1fr;
      }
      .content-body {
        padding: 20px 16px 20px;
        font-size: 1rem;
      }
      .article-end {
        padding: 0 16px 20px;
      }
      .mini-card {
        grid-template-columns: 76px minmax(0, 1fr);
      }
      .mini-card img {
        width: 76px;
        height: 68px;
      }
      .site-footer {
        padding-top: 22px;
      }
      .footer-note {
        flex-direction: column;
      }
      .back-top {
        right: 12px;
        bottom: 12px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
      }
    }

/* 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}