/* roulang page: index */
:root {
      --bg: #151311;
      --bg-soft: #201c19;
      --panel: #29231f;
      --panel-2: #332b25;
      --card: #241f1c;
      --text: #fff8ef;
      --muted: #cbbdaf;
      --weak: #94877c;
      --line: rgba(255, 248, 239, 0.14);
      --line-strong: rgba(220, 106, 67, 0.48);
      --accent: #dc6a43;
      --accent-2: #f0aa5b;
      --accent-dark: #9b3f2f;
      --cyan: #83bbb4;
      --cream: #f7ead8;
      --ok: #7cc79b;
      --danger: #e27665;
      --shadow: 0 20px 60px rgba(0, 0, 0, 0.34);
      --shadow-soft: 0 12px 34px rgba(0, 0, 0, 0.24);
      --radius: 8px;
      --radius-sm: 6px;
      --container: 1200px;
      --nav-height: 72px;
      --ease: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      color: var(--text);
      background:
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255,255,255,0.02) 1px, transparent 1px),
        radial-gradient(circle at 12% 8%, rgba(220,106,67,0.16), transparent 28%),
        radial-gradient(circle at 82% 18%, rgba(131,187,180,0.11), transparent 26%),
        var(--bg);
      background-size: 42px 42px, 42px 42px, auto, auto, auto;
      line-height: 1.65;
      min-width: 320px;
      padding-bottom: 88px;
    }

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

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      min-height: var(--nav-height);
      background: rgba(21, 19, 17, 0.86);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
    }

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

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 18px;
      white-space: nowrap;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow: 0 10px 22px rgba(220, 106, 67, 0.28);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      border: 1px solid rgba(255,255,255,0.72);
      border-radius: 4px;
      inset: 8px 10px 10px 8px;
      transform: rotate(-8deg);
    }

    .brand-mark::after {
      inset: 10px 8px 8px 10px;
      transform: rotate(8deg);
      opacity: 0.72;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      padding: 6px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,0.035);
    }

    .nav-links a {
      min-height: 40px;
      display: inline-flex;
      align-items: center;
      padding: 0 14px;
      color: var(--muted);
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 650;
      transition: background var(--ease), color var(--ease), transform var(--ease);
    }

    .nav-links a:hover,
    .nav-links a:focus-visible,
    .nav-links a.active {
      color: var(--text);
      background: rgba(220, 106, 67, 0.14);
      outline: none;
    }

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

    .menu-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: var(--radius);
      background: rgba(255,255,255,0.06);
      color: var(--text);
      border: 1px solid var(--line);
      align-items: center;
      justify-content: center;
    }

    .menu-toggle span {
      width: 20px;
      height: 2px;
      background: currentColor;
      position: relative;
      display: block;
    }

    .menu-toggle span::before,
    .menu-toggle span::after {
      content: "";
      position: absolute;
      left: 0;
      width: 20px;
      height: 2px;
      background: currentColor;
    }

    .menu-toggle span::before {
      top: -7px;
    }

    .menu-toggle span::after {
      top: 7px;
    }

    .btn {
      min-height: 48px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 0 18px;
      border-radius: var(--radius);
      font-weight: 800;
      color: var(--text);
      border: 1px solid transparent;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease), color var(--ease);
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      color: #1d1510;
      box-shadow: 0 14px 34px rgba(220, 106, 67, 0.28);
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      transform: translateY(-2px);
      box-shadow: 0 18px 44px rgba(220, 106, 67, 0.38);
      outline: none;
    }

    .btn-primary:active {
      transform: translateY(0);
      box-shadow: 0 10px 26px rgba(220, 106, 67, 0.24);
    }

    .btn-outline {
      color: var(--text);
      border-color: var(--line);
      background: rgba(255,255,255,0.045);
    }

    .btn-outline:hover,
    .btn-outline:focus-visible {
      border-color: var(--line-strong);
      background: rgba(220, 106, 67, 0.12);
      outline: none;
      transform: translateY(-2px);
    }

    main {
      overflow: hidden;
    }

    section {
      padding: 82px 0;
    }

    .hero {
      padding: 42px 0 56px;
      min-height: calc(100vh - var(--nav-height));
      display: flex;
      align-items: center;
    }

    .bento {
      display: grid;
      grid-template-columns: 1.35fr 0.8fr 0.8fr;
      grid-template-rows: auto auto;
      gap: 16px;
      width: 100%;
    }

    .hero-main,
    .hero-mini,
    .hero-cta-strip {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(255,255,255,0.075), rgba(255,255,255,0.035));
      box-shadow: var(--shadow-soft);
      position: relative;
      overflow: hidden;
    }

    .hero-main {
      grid-row: span 2;
      padding: clamp(28px, 4vw, 54px);
      min-height: 520px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .hero-main::before {
      content: "";
      position: absolute;
      inset: 18px;
      border: 1px solid rgba(240, 170, 91, 0.14);
      border-radius: var(--radius);
      pointer-events: none;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      min-height: 32px;
      padding: 0 11px;
      border-radius: var(--radius-sm);
      background: rgba(131,187,180,0.12);
      color: #d7f0ec;
      font-size: 13px;
      font-weight: 750;
      border: 1px solid rgba(131,187,180,0.28);
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--ok);
      box-shadow: 0 0 0 5px rgba(124,199,155,0.12);
    }

    h1 {
      margin: 28px 0 18px;
      font-size: clamp(34px, 4.4vw, 56px);
      line-height: 1.12;
      letter-spacing: 0;
      font-weight: 850;
      max-width: 820px;
    }

    .hero-copy {
      margin: 0;
      max-width: 680px;
      color: var(--muted);
      font-size: 17px;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 30px;
    }

    .hero-actions .btn {
      min-height: 56px;
      padding: 0 24px;
    }

    .hero-stats {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
      margin-top: 34px;
    }

    .stat {
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(0,0,0,0.16);
    }

    .stat strong {
      display: block;
      font-size: 22px;
      line-height: 1.1;
      color: var(--accent-2);
    }

    .stat span {
      display: block;
      margin-top: 6px;
      color: var(--weak);
      font-size: 13px;
    }

    .hero-mini {
      min-height: 250px;
      padding: 22px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .mini-top {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      align-items: flex-start;
    }

    .mini-icon {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-sm);
      display: grid;
      place-items: center;
      background: rgba(220,106,67,0.16);
      border: 1px solid rgba(220,106,67,0.26);
      color: var(--accent-2);
      font-weight: 900;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 0 9px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--line);
      color: var(--muted);
      background: rgba(255,255,255,0.045);
      font-size: 12px;
      font-weight: 750;
    }

    .hero-mini h2,
    .card h3,
    .section-title h2 {
      letter-spacing: 0;
    }

    .hero-mini h2 {
      margin: 26px 0 8px;
      font-size: 22px;
      line-height: 1.25;
    }

    .hero-mini p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .progress {
      height: 8px;
      border-radius: 999px;
      background: rgba(255,255,255,0.08);
      overflow: hidden;
      margin-top: 18px;
    }

    .progress i {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--accent), var(--cyan));
    }

    .hero-cta-strip {
      grid-column: 2 / 4;
      padding: 20px;
      display: grid;
      grid-template-columns: 1fr auto;
      align-items: center;
      gap: 18px;
      border-color: rgba(240,170,91,0.26);
      background: linear-gradient(135deg, rgba(155,63,47,0.42), rgba(32,28,25,0.82));
    }

    .hero-cta-strip p {
      margin: 0;
      color: var(--muted);
    }

    .hero-cta-strip strong {
      display: block;
      color: var(--text);
      font-size: 18px;
      margin-bottom: 2px;
    }

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

    .trust-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 34px;
      padding: 0 12px;
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,0.045);
      border: 1px solid var(--line);
      color: var(--muted);
      font-size: 13px;
      font-weight: 650;
    }

    .trust-item i {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--accent-2);
    }

    .section-title {
      display: grid;
      grid-template-columns: minmax(0, 0.92fr) minmax(280px, 0.58fr);
      align-items: end;
      gap: 28px;
      margin-bottom: 28px;
    }

    .section-title h2 {
      margin: 0;
      font-size: clamp(28px, 3vw, 40px);
      line-height: 1.18;
      font-weight: 820;
    }

    .section-title p {
      margin: 0;
      color: var(--muted);
      font-size: 16px;
    }

    .story {
      background: linear-gradient(180deg, transparent, rgba(255,255,255,0.025));
    }

    .story-layout {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 18px;
    }

    .story-panel {
      padding: 28px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      box-shadow: var(--shadow-soft);
    }

    .story-panel h2 {
      margin: 0 0 14px;
      font-size: 30px;
      line-height: 1.22;
    }

    .story-panel p {
      margin: 0;
      color: var(--muted);
    }

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

    .story-item {
      display: grid;
      grid-template-columns: 46px 1fr;
      gap: 14px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,0.04);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .story-item:hover {
      transform: translateY(-2px);
      border-color: var(--line-strong);
      box-shadow: var(--shadow-soft);
    }

    .index-num {
      width: 46px;
      height: 46px;
      border-radius: var(--radius-sm);
      display: grid;
      place-items: center;
      color: #1d1510;
      background: linear-gradient(135deg, var(--accent-2), var(--cyan));
      font-weight: 900;
    }

    .story-item h3 {
      margin: 0 0 5px;
      font-size: 18px;
    }

    .story-item p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.025));
      box-shadow: var(--shadow-soft);
      padding: 22px;
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
      position: relative;
      overflow: hidden;
    }

    .card::before {
      content: "";
      position: absolute;
      top: 12px;
      right: 12px;
      width: 54px;
      height: 54px;
      border-top: 1px solid rgba(240,170,91,0.22);
      border-right: 1px solid rgba(240,170,91,0.22);
      border-radius: 0 var(--radius-sm) 0 0;
      pointer-events: none;
    }

    .card:hover {
      transform: translateY(-2px);
      border-color: var(--line-strong);
      box-shadow: var(--shadow);
    }

    .card h3 {
      margin: 18px 0 8px;
      font-size: 21px;
      line-height: 1.28;
    }

    .card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .card-foot {
      margin-top: 20px;
      padding-top: 16px;
      border-top: 1px solid var(--line);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .status {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--ok);
      font-size: 13px;
      font-weight: 750;
    }

    .status::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: currentColor;
    }

    .membership {
      background: linear-gradient(180deg, rgba(32,28,25,0.28), rgba(255,255,255,0.02));
    }

    .benefit-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }

    .benefit {
      min-height: 168px;
      padding: 18px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.04);
    }

    .benefit strong {
      display: block;
      font-size: 18px;
      margin-bottom: 8px;
    }

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

    .compare-wrap {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      background: var(--panel);
      box-shadow: var(--shadow-soft);
    }

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

    .plan {
      padding: 26px;
      border-right: 1px solid var(--line);
      min-height: 330px;
      display: flex;
      flex-direction: column;
    }

    .plan:last-child {
      border-right: 0;
    }

    .plan.recommend {
      background: linear-gradient(180deg, rgba(220,106,67,0.18), rgba(255,255,255,0.035));
      box-shadow: inset 0 0 0 1px rgba(240,170,91,0.28);
    }

    .plan h3 {
      margin: 14px 0 8px;
      font-size: 22px;
    }

    .plan p {
      margin: 0 0 18px;
      color: var(--muted);
      font-size: 15px;
    }

    .plan ul,
    .clean-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 10px;
    }

    .plan li,
    .clean-list li {
      color: var(--muted);
      padding-left: 18px;
      position: relative;
      font-size: 14px;
    }

    .plan li::before,
    .clean-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.72em;
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--accent-2);
    }

    .plan .btn {
      margin-top: auto;
      width: 100%;
    }

    .scenario-layout {
      display: grid;
      grid-template-columns: 0.78fr 1.22fr;
      gap: 18px;
      align-items: start;
    }

    .step-track {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      padding: 18px;
    }

    .step {
      display: grid;
      grid-template-columns: 34px 1fr;
      gap: 12px;
      padding: 14px 0;
      border-bottom: 1px solid var(--line);
    }

    .step:last-child {
      border-bottom: 0;
    }

    .step b {
      width: 34px;
      height: 34px;
      border-radius: var(--radius-sm);
      display: grid;
      place-items: center;
      background: rgba(220,106,67,0.16);
      color: var(--accent-2);
    }

    .step strong {
      display: block;
      margin-bottom: 3px;
    }

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

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

    .matrix-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,0.045);
      padding: 18px;
      min-height: 160px;
    }

    .matrix-card h3 {
      margin: 14px 0 8px;
      font-size: 18px;
    }

    .matrix-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .rating-row {
      display: grid;
      grid-template-columns: 0.7fr 1.3fr;
      gap: 18px;
      align-items: stretch;
    }

    .rating-summary,
    .bubble-wall {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      padding: 24px;
      box-shadow: var(--shadow-soft);
    }

    .score {
      font-size: 52px;
      line-height: 1;
      color: var(--accent-2);
      font-weight: 850;
    }

    .stars {
      color: var(--accent-2);
      font-size: 22px;
      margin: 10px 0;
    }

    .rating-summary p {
      margin: 0;
      color: var(--muted);
    }

    .bubble-wall {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .bubble {
      padding: 16px;
      border-radius: var(--radius);
      background: rgba(255,255,255,0.045);
      border: 1px solid var(--line);
    }

    .bubble p {
      margin: 0 0 12px;
      color: var(--muted);
      font-size: 14px;
    }

    .bubble-user {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      color: var(--weak);
      font-weight: 700;
    }

    .avatar {
      width: 30px;
      height: 30px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--cyan), var(--accent-2));
    }

    .news {
      background: rgba(255,255,255,0.025);
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 18px;
    }

    .news-list,
    .recommend-box {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      overflow: hidden;
    }

    .news-list a {
      display: grid;
      grid-template-columns: 120px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 18px 20px;
      border-bottom: 1px solid var(--line);
      transition: background var(--ease), color var(--ease);
    }

    .news-list a:last-child {
      border-bottom: 0;
    }

    .news-list a:hover,
    .news-list a:focus-visible {
      background: rgba(220,106,67,0.1);
      outline: none;
    }

    .news-list time {
      color: var(--weak);
      font-size: 13px;
    }

    .news-list strong {
      font-size: 16px;
    }

    .news-list span {
      color: var(--accent-2);
      font-weight: 800;
    }

    .recommend-box {
      padding: 22px;
    }

    .recommend-box h3 {
      margin: 0 0 12px;
      font-size: 22px;
    }

    .recommend-box p {
      margin: 0 0 16px;
      color: var(--muted);
    }

    .subscribe-panel {
      display: grid;
      grid-template-columns: 1fr 0.9fr;
      gap: 18px;
      align-items: center;
      padding: 30px;
      border: 1px solid rgba(240,170,91,0.28);
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(220,106,67,0.18), rgba(131,187,180,0.1)),
        var(--panel);
      box-shadow: var(--shadow);
    }

    .subscribe-panel h2 {
      margin: 0 0 10px;
      font-size: 34px;
      line-height: 1.2;
    }

    .subscribe-panel p {
      margin: 0;
      color: var(--muted);
    }

    .filter-form {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 10px;
      align-items: center;
    }

    .filter-form input {
      width: 100%;
      min-height: 52px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(0,0,0,0.22);
      color: var(--text);
      padding: 0 14px;
      outline: none;
      transition: border-color var(--ease), box-shadow var(--ease);
    }

    .filter-form input::placeholder {
      color: var(--weak);
    }

    .filter-form input:focus {
      border-color: var(--accent-2);
      box-shadow: 0 0 0 4px rgba(240,170,91,0.12);
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: 0.7fr 1.3fr;
      gap: 18px;
      align-items: start;
    }

    .faq-intro {
      padding: 24px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
    }

    .faq-intro h2 {
      margin: 0 0 10px;
      font-size: 30px;
      line-height: 1.22;
    }

    .faq-intro p {
      margin: 0;
      color: var(--muted);
    }

    .faq-list {
      display: grid;
      gap: 10px;
    }

    .faq-item {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,0.045);
      overflow: hidden;
    }

    .faq-question {
      min-height: 54px;
      width: 100%;
      padding: 16px 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      color: var(--text);
      background: transparent;
      text-align: left;
      font-weight: 800;
    }

    .faq-question:focus-visible {
      outline: 2px solid var(--accent-2);
      outline-offset: -2px;
    }

    .faq-question i {
      width: 18px;
      height: 18px;
      position: relative;
      flex: 0 0 auto;
    }

    .faq-question i::before,
    .faq-question i::after {
      content: "";
      position: absolute;
      inset: 8px 2px auto;
      height: 2px;
      background: var(--accent-2);
    }

    .faq-question i::after {
      transform: rotate(90deg);
      transition: transform var(--ease);
    }

    .faq-answer {
      display: none;
      padding: 0 18px 18px;
      color: var(--muted);
      border-left: 3px solid var(--accent);
      margin-left: 18px;
    }

    .faq-item.open {
      border-color: var(--line-strong);
      background: rgba(220,106,67,0.08);
    }

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

    .faq-item.open .faq-question i::after {
      transform: rotate(0deg);
    }

    .final-cta {
      padding-top: 24px;
    }

    .final-card {
      text-align: center;
      padding: 42px 24px;
      border: 1px solid rgba(240,170,91,0.3);
      border-radius: var(--radius);
      background: linear-gradient(135deg, rgba(155,63,47,0.42), rgba(36,31,28,0.9));
      box-shadow: var(--shadow);
    }

    .final-card h2 {
      margin: 0 0 12px;
      font-size: clamp(28px, 3vw, 40px);
      line-height: 1.18;
    }

    .final-card p {
      max-width: 760px;
      margin: 0 auto 22px;
      color: var(--muted);
    }

    .site-footer {
      border-top: 1px solid var(--line);
      background: #100e0d;
      padding: 48px 0 26px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr repeat(3, 0.7fr);
      gap: 28px;
      align-items: start;
    }

    .footer-brand p {
      color: var(--muted);
      margin: 12px 0 0;
      max-width: 380px;
      font-size: 14px;
    }

    .footer-col h3 {
      margin: 0 0 12px;
      font-size: 15px;
    }

    .footer-col a,
    .footer-col span {
      display: block;
      color: var(--muted);
      font-size: 14px;
      margin: 8px 0;
    }

    .footer-col a:hover,
    .footer-col a:focus-visible {
      color: var(--accent-2);
      outline: none;
    }

    .copyright {
      margin-top: 34px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
      color: var(--weak);
      font-size: 13px;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }

    .sticky-cta {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 60;
      background: rgba(16, 14, 13, 0.9);
      backdrop-filter: blur(16px);
      border-top: 1px solid var(--line);
      padding: 12px 0 calc(12px + env(safe-area-inset-bottom));
      box-shadow: 0 -16px 40px rgba(0,0,0,0.3);
    }

    .sticky-inner {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr auto auto;
      align-items: center;
      gap: 14px;
    }

    .sticky-copy strong {
      display: block;
      line-height: 1.2;
    }

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

    .sticky-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    @media (max-width: 1024px) {
      .container {
        width: min(var(--container), calc(100% - 32px));
      }

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

      .hero-main {
        grid-column: 1 / 3;
        min-height: auto;
      }

      .hero-cta-strip {
        grid-column: 1 / 3;
      }

      .section-title,
      .story-layout,
      .scenario-layout,
      .rating-row,
      .news-layout,
      .subscribe-panel,
      .faq-wrap {
        grid-template-columns: 1fr;
      }

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

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

      .sticky-inner {
        grid-template-columns: 1fr auto;
      }

      .sticky-tags {
        display: none;
      }
    }

    @media (max-width: 768px) {
      body {
        padding-bottom: 108px;
      }

      section {
        padding: 56px 0;
      }

      .site-header {
        min-height: 66px;
      }

      .nav {
        min-height: 66px;
      }

      .brand {
        font-size: 16px;
        max-width: 52vw;
      }

      .brand-text {
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .nav-links {
        position: absolute;
        left: 16px;
        right: 16px;
        top: calc(100% + 8px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 10px;
        background: rgba(24, 21, 19, 0.98);
        box-shadow: var(--shadow);
      }

      .nav-links.open {
        display: flex;
      }

      .nav-links a {
        min-height: 46px;
        justify-content: center;
      }

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

      .nav-actions .btn {
        min-height: 44px;
        padding: 0 12px;
        font-size: 13px;
      }

      .hero {
        min-height: auto;
        padding-top: 28px;
      }

      .bento,
      .hero-stats,
      .feature-grid,
      .plans,
      .matrix,
      .bubble-wall {
        grid-template-columns: 1fr;
      }

      .hero-main,
      .hero-mini,
      .hero-cta-strip {
        grid-column: auto;
      }

      .hero-main {
        padding: 26px;
      }

      h1 {
        font-size: 34px;
      }

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

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

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

      .plans .plan {
        border-right: 0;
        border-bottom: 1px solid var(--line);
      }

      .plans .plan:last-child {
        border-bottom: 0;
      }

      .news-list a {
        grid-template-columns: 1fr auto;
      }

      .news-list time {
        grid-column: 1 / 3;
      }

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

      .filter-form .btn {
        width: 100%;
      }

      .sticky-inner {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .sticky-copy {
        display: none;
      }

      .sticky-inner .btn {
        width: 100%;
        min-height: 52px;
      }
    }

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

      .brand-mark {
        width: 30px;
        height: 30px;
      }

      .nav-actions {
        gap: 6px;
      }

      .nav-actions .btn {
        max-width: 118px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .hero-main,
      .hero-mini,
      .story-panel,
      .card,
      .subscribe-panel,
      .final-card {
        padding: 20px;
      }

      .section-title h2,
      .subscribe-panel h2,
      .faq-intro h2 {
        font-size: 28px;
      }

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

      .trust-row {
        gap: 8px;
      }

      .trust-item,
      .badge {
        font-size: 12px;
      }
    }

/* roulang page: category2 */
:root {
      --bg: #161210;
      --bg-soft: #211a17;
      --panel: #2a211d;
      --panel-strong: #342823;
      --text: #f7efe6;
      --muted: #c9b9aa;
      --subtle: #927f70;
      --line: rgba(247, 239, 230, 0.14);
      --line-strong: rgba(222, 139, 71, 0.42);
      --accent: #d87938;
      --accent-strong: #f09a4d;
      --wine: #8f3345;
      --teal: #79a9a1;
      --cream: #fff7eb;
      --shadow: 0 22px 60px rgba(0, 0, 0, 0.34);
      --shadow-soft: 0 12px 32px rgba(0, 0, 0, 0.22);
      --radius: 8px;
      --radius-sm: 6px;
      --container: 1200px;
      --nav-h: 72px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 12% 0%, rgba(216, 121, 56, 0.16), transparent 34%),
        radial-gradient(circle at 85% 12%, rgba(121, 169, 161, 0.12), transparent 28%),
        linear-gradient(180deg, #161210 0%, #1c1513 48%, #130f0e 100%);
      line-height: 1.65;
      letter-spacing: 0;
      min-height: 100vh;
      padding-bottom: 86px;
    }

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

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

    button,
    input {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

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

    .skip-link {
      position: absolute;
      left: 16px;
      top: -80px;
      z-index: 99;
      background: var(--accent);
      color: #1b100b;
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      font-weight: 700;
      transition: top 0.2s ease;
    }

    .skip-link:focus {
      top: 14px;
      outline: 3px solid rgba(255, 247, 235, 0.5);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      height: var(--nav-h);
      background: rgba(22, 18, 16, 0.88);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(16px);
    }

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

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      font-weight: 800;
      color: var(--text);
    }

    .brand-mark {
      width: 32px;
      height: 32px;
      border-radius: var(--radius-sm);
      background:
        linear-gradient(135deg, rgba(216, 121, 56, 0.95), rgba(143, 51, 69, 0.95)),
        linear-gradient(45deg, transparent 45%, rgba(255, 255, 255, 0.28) 46%, transparent 54%);
      box-shadow: 0 0 0 1px rgba(255, 247, 235, 0.22), 0 10px 24px rgba(216, 121, 56, 0.2);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 8px;
      border: 1px solid rgba(255, 247, 235, 0.56);
      border-radius: 3px;
    }

    .brand-text {
      font-size: 17px;
      line-height: 1.2;
      white-space: nowrap;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 6px;
      border: 1px solid var(--line);
      background: rgba(255, 247, 235, 0.04);
      border-radius: var(--radius);
    }

    .nav-links a {
      min-height: 40px;
      display: inline-flex;
      align-items: center;
      padding: 0 14px;
      color: var(--muted);
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 650;
      transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    }

    .nav-links a:hover,
    .nav-links a:focus {
      color: var(--text);
      background: rgba(216, 121, 56, 0.14);
      outline: none;
    }

    .nav-links a.active {
      color: #1c100c;
      background: linear-gradient(135deg, var(--accent), var(--accent-strong));
      box-shadow: 0 10px 24px rgba(216, 121, 56, 0.22);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 0 18px;
      border-radius: var(--radius);
      font-weight: 800;
      line-height: 1;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
      white-space: nowrap;
    }

    .btn-primary {
      color: #20110a;
      background: linear-gradient(135deg, var(--accent), var(--accent-strong));
      box-shadow: 0 16px 36px rgba(216, 121, 56, 0.26);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      transform: translateY(-2px);
      box-shadow: 0 20px 42px rgba(216, 121, 56, 0.34);
      outline: none;
    }

    .btn-primary:active,
    .btn-secondary:active {
      transform: translateY(0);
    }

    .btn-secondary {
      color: var(--text);
      border: 1px solid var(--line-strong);
      background: rgba(255, 247, 235, 0.06);
    }

    .btn-secondary:hover,
    .btn-secondary:focus {
      border-color: var(--accent);
      background: rgba(216, 121, 56, 0.12);
      outline: none;
      transform: translateY(-2px);
    }

    .menu-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: var(--radius);
      color: var(--text);
      background: rgba(255, 247, 235, 0.08);
      border: 1px solid var(--line);
      align-items: center;
      justify-content: center;
    }

    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after {
      width: 18px;
      height: 2px;
      background: currentColor;
      display: block;
      border-radius: 999px;
      position: relative;
    }

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

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

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

    .page-head {
      padding: 48px 0 28px;
      border-bottom: 1px solid var(--line);
      background:
        linear-gradient(90deg, rgba(216, 121, 56, 0.09), transparent 46%),
        repeating-linear-gradient(90deg, rgba(255, 247, 235, 0.035) 0 1px, transparent 1px 80px);
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      color: var(--subtle);
      font-size: 14px;
      margin-bottom: 18px;
    }

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

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

    .head-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.62fr);
      gap: 36px;
      align-items: end;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--accent-strong);
      background: rgba(216, 121, 56, 0.12);
      border: 1px solid rgba(216, 121, 56, 0.28);
      border-radius: 999px;
      padding: 7px 12px;
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 16px;
    }

    h1 {
      margin: 0;
      font-size: clamp(30px, 4vw, 42px);
      line-height: 1.18;
      font-weight: 800;
      max-width: 780px;
    }

    .lead {
      margin: 16px 0 0;
      color: var(--muted);
      font-size: 17px;
      max-width: 760px;
    }

    .head-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 22px;
    }

    .filter-panel {
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255, 247, 235, 0.08), rgba(255, 247, 235, 0.03));
      border-radius: var(--radius);
      box-shadow: var(--shadow-soft);
      padding: 18px;
    }

    .panel-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 14px;
      font-weight: 800;
    }

    .panel-title small {
      color: var(--teal);
      font-size: 12px;
      font-weight: 800;
      padding: 3px 8px;
      border: 1px solid rgba(121, 169, 161, 0.34);
      border-radius: 999px;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 0 11px;
      border-radius: 999px;
      color: var(--muted);
      background: rgba(255, 247, 235, 0.05);
      border: 1px solid var(--line);
      font-size: 13px;
      font-weight: 700;
      transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
    }

    .tag:hover,
    .tag.is-on {
      color: var(--text);
      border-color: rgba(216, 121, 56, 0.52);
      background: rgba(216, 121, 56, 0.12);
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 78px 0;
    }

    .section.alt {
      background: rgba(255, 247, 235, 0.025);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 0.78fr) minmax(260px, 0.4fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 30px;
    }

    .section-head h2 {
      margin: 0;
      font-size: clamp(24px, 3vw, 34px);
      line-height: 1.25;
      font-weight: 800;
    }

    .section-head p {
      margin: 0;
      color: var(--muted);
      font-size: 16px;
    }

    .trust-strip {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
      margin-top: 28px;
    }

    .trust-item {
      display: flex;
      align-items: center;
      gap: 10px;
      min-height: 58px;
      border: 1px solid var(--line);
      background: rgba(255, 247, 235, 0.045);
      border-radius: var(--radius);
      padding: 12px;
      color: var(--muted);
      font-weight: 700;
    }

    .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 5px rgba(216, 121, 56, 0.12);
      flex: 0 0 auto;
    }

    .tab-bar {
      display: flex;
      gap: 10px;
      overflow-x: auto;
      padding: 4px 0 12px;
      scrollbar-width: thin;
    }

    .tab {
      min-height: 44px;
      padding: 0 16px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(255, 247, 235, 0.05);
      color: var(--muted);
      font-weight: 800;
      white-space: nowrap;
    }

    .tab.is-active {
      color: #1f120b;
      background: var(--accent);
      border-color: transparent;
    }

    .rank-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 340px;
      gap: 24px;
      align-items: start;
    }

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

    .rank-item {
      display: grid;
      grid-template-columns: 64px minmax(0, 1fr) auto;
      gap: 16px;
      align-items: center;
      min-height: 118px;
      padding: 18px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: linear-gradient(135deg, rgba(255, 247, 235, 0.075), rgba(255, 247, 235, 0.025));
      box-shadow: var(--shadow-soft);
      transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .rank-item:hover {
      transform: translateY(-2px);
      border-color: var(--line-strong);
      box-shadow: var(--shadow);
    }

    .rank-num {
      width: 54px;
      height: 54px;
      border-radius: var(--radius);
      display: grid;
      place-items: center;
      color: var(--cream);
      background:
        linear-gradient(135deg, rgba(143, 51, 69, 0.86), rgba(216, 121, 56, 0.72)),
        repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.18) 0 1px, transparent 1px 8px);
      font-size: 20px;
      font-weight: 800;
      box-shadow: inset 0 0 0 1px rgba(255, 247, 235, 0.2);
    }

    .rank-content h3 {
      margin: 0 0 7px;
      font-size: 19px;
      line-height: 1.35;
    }

    .rank-content p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

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

    .mini-badge {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 0 9px;
      border-radius: 999px;
      border: 1px solid var(--line);
      color: var(--muted);
      background: rgba(255, 247, 235, 0.04);
      font-size: 12px;
      font-weight: 750;
    }

    .mini-badge.good {
      color: #d9f0eb;
      border-color: rgba(121, 169, 161, 0.36);
      background: rgba(121, 169, 161, 0.1);
    }

    .side-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 247, 235, 0.055);
      box-shadow: var(--shadow-soft);
      padding: 20px;
      position: sticky;
      top: 96px;
    }

    .side-card h2,
    .side-card h3 {
      margin: 0 0 10px;
      font-size: 22px;
      line-height: 1.3;
    }

    .side-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .check-list {
      display: grid;
      gap: 12px;
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
    }

    .check-list li {
      display: grid;
      grid-template-columns: 22px minmax(0, 1fr);
      gap: 10px;
      color: var(--muted);
      font-size: 15px;
    }

    .check-list li::before {
      content: "";
      width: 18px;
      height: 18px;
      margin-top: 3px;
      border-radius: 50%;
      background: radial-gradient(circle, var(--accent) 0 38%, rgba(216, 121, 56, 0.18) 40% 100%);
      border: 1px solid rgba(216, 121, 56, 0.34);
    }

    .quality-grid {
      display: grid;
      grid-template-columns: 0.88fr 1.12fr;
      gap: 24px;
      align-items: stretch;
    }

    .cover-card {
      min-height: 390px;
      border: 1px solid var(--line-strong);
      border-radius: var(--radius);
      background:
        linear-gradient(145deg, rgba(216, 121, 56, 0.18), transparent 45%),
        linear-gradient(315deg, rgba(121, 169, 161, 0.13), transparent 40%),
        repeating-linear-gradient(0deg, rgba(255, 247, 235, 0.05) 0 1px, transparent 1px 22px),
        var(--panel);
      box-shadow: var(--shadow);
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      overflow: hidden;
      position: relative;
    }

    .cover-card::after {
      content: "18+";
      position: absolute;
      right: 20px;
      top: 20px;
      width: 58px;
      height: 58px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: var(--cream);
      border: 1px solid rgba(255, 247, 235, 0.32);
      background: rgba(22, 18, 16, 0.68);
      font-weight: 800;
    }

    .cover-card h2 {
      max-width: 360px;
      margin: 0;
      font-size: 30px;
      line-height: 1.25;
    }

    .cover-card p {
      max-width: 420px;
      color: var(--muted);
      margin: 16px 0 0;
    }

    .score-row {
      display: grid;
      gap: 12px;
    }

    .score {
      display: grid;
      gap: 8px;
    }

    .score-label {
      display: flex;
      justify-content: space-between;
      color: var(--muted);
      font-size: 13px;
      font-weight: 750;
    }

    .bar {
      height: 9px;
      border-radius: 999px;
      background: rgba(255, 247, 235, 0.08);
      overflow: hidden;
    }

    .bar span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--accent), var(--teal));
    }

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

    .info-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 247, 235, 0.05);
      padding: 18px;
      transition: transform 0.2s ease, border-color 0.2s ease;
    }

    .info-card:hover {
      transform: translateY(-2px);
      border-color: var(--line-strong);
    }

    .info-card h3 {
      margin: 0 0 8px;
      font-size: 19px;
    }

    .info-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .timeline {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }

    .step-card {
      position: relative;
      border: 1px solid var(--line);
      background: rgba(255, 247, 235, 0.045);
      border-radius: var(--radius);
      padding: 18px;
      min-height: 178px;
      transition: transform 0.2s ease, border-color 0.2s ease;
    }

    .step-card:hover {
      transform: translateY(-2px);
      border-color: var(--line-strong);
    }

    .step-index {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      border-radius: var(--radius-sm);
      background: rgba(216, 121, 56, 0.16);
      color: var(--accent-strong);
      font-weight: 800;
      margin-bottom: 16px;
    }

    .step-card h3 {
      margin: 0 0 8px;
      font-size: 18px;
    }

    .step-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .review-grid {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 22px;
      align-items: stretch;
    }

    .metric-board {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(255, 247, 235, 0.07), rgba(255, 247, 235, 0.025));
      padding: 22px;
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .metric {
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      padding: 16px;
      background: rgba(0, 0, 0, 0.12);
    }

    .metric strong {
      display: block;
      font-size: 28px;
      line-height: 1;
      color: var(--accent-strong);
      margin-bottom: 8px;
    }

    .metric span {
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
    }

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

    .quote {
      border-left: 3px solid var(--accent);
      border-radius: 0 var(--radius) var(--radius) 0;
      background: rgba(255, 247, 235, 0.05);
      padding: 18px;
      color: var(--muted);
    }

    .quote strong {
      display: block;
      color: var(--text);
      margin-bottom: 6px;
    }

    .faq-wrap {
      max-width: 900px;
      margin: 0 auto;
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 247, 235, 0.05);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      min-height: 58px;
      padding: 16px 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      color: var(--text);
      background: transparent;
      text-align: left;
      font-weight: 800;
    }

    .faq-question::after {
      content: "+";
      color: var(--accent-strong);
      font-size: 24px;
      line-height: 1;
    }

    .faq-item.is-open {
      border-color: var(--line-strong);
      box-shadow: var(--shadow-soft);
    }

    .faq-item.is-open .faq-question::after {
      content: "-";
    }

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

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

    .cta-section {
      padding: 72px 0;
      background:
        linear-gradient(135deg, rgba(143, 51, 69, 0.28), rgba(216, 121, 56, 0.16)),
        var(--bg-soft);
      border-top: 1px solid var(--line);
    }

    .cta-box {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
      border: 1px solid var(--line-strong);
      border-radius: var(--radius);
      padding: 28px;
      background: rgba(22, 18, 16, 0.52);
      box-shadow: var(--shadow);
    }

    .cta-box h2 {
      margin: 0 0 8px;
      font-size: clamp(24px, 3vw, 34px);
      line-height: 1.24;
    }

    .cta-box p {
      margin: 0;
      color: var(--muted);
    }

    .site-footer {
      padding: 56px 0 24px;
      background: #100d0c;
      border-top: 1px solid var(--line);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr 0.75fr 0.7fr 0.75fr;
      gap: 28px;
      align-items: start;
    }

    .footer-brand p {
      margin: 16px 0 0;
      color: var(--muted);
      max-width: 420px;
      font-size: 14px;
    }

    .footer-col {
      display: grid;
      gap: 9px;
      color: var(--muted);
      font-size: 14px;
    }

    .footer-col h3 {
      margin: 0 0 4px;
      color: var(--text);
      font-size: 15px;
    }

    .footer-col a:hover {
      color: var(--accent-strong);
    }

    .copyright {
      margin-top: 34px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
      display: flex;
      justify-content: space-between;
      gap: 18px;
      color: var(--subtle);
      font-size: 13px;
    }

    .fixed-cta {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 60;
      background: rgba(16, 13, 12, 0.92);
      border-top: 1px solid var(--line-strong);
      backdrop-filter: blur(16px);
      padding: 12px 0 calc(12px + env(safe-area-inset-bottom));
    }

    .fixed-inner {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto auto;
      gap: 16px;
      align-items: center;
    }

    .fixed-copy {
      color: var(--text);
      font-weight: 800;
    }

    .fixed-copy small {
      display: block;
      color: var(--muted);
      font-size: 13px;
      font-weight: 650;
      margin-top: 2px;
    }

    .fixed-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .focus-ring:focus-visible,
    a:focus-visible,
    button:focus-visible {
      outline: 3px solid rgba(240, 154, 77, 0.45);
      outline-offset: 3px;
    }

    @media (max-width: 1024px) {
      .brand-text {
        font-size: 15px;
      }

      .nav-links a {
        padding: 0 10px;
      }

      .nav-cta {
        display: none;
      }

      .head-grid,
      .section-head,
      .rank-layout,
      .quality-grid,
      .review-grid,
      .cta-box {
        grid-template-columns: 1fr;
      }

      .side-card {
        position: static;
      }

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

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

    @media (max-width: 768px) {
      body {
        padding-bottom: 112px;
      }

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

      .site-header,
      .nav-wrap {
        height: 68px;
      }

      .nav-links {
        position: fixed;
        left: 14px;
        right: 14px;
        top: 76px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
        background: rgba(22, 18, 16, 0.97);
        border-color: var(--line-strong);
        box-shadow: var(--shadow);
      }

      .nav-links.is-open {
        display: flex;
      }

      .nav-links a {
        min-height: 48px;
        justify-content: center;
      }

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

      .mobile-cta {
        display: inline-flex;
        min-height: 46px;
        padding: 0 13px;
        font-size: 13px;
      }

      .page-head {
        padding: 34px 0 24px;
      }

      .lead {
        font-size: 16px;
      }

      .head-actions .btn,
      .rank-item .btn {
        width: 100%;
      }

      .trust-strip,
      .timeline,
      .metric-board {
        grid-template-columns: 1fr;
      }

      .rank-item {
        grid-template-columns: 54px minmax(0, 1fr);
      }

      .rank-item .btn {
        grid-column: 1 / -1;
      }

      .section {
        padding: 56px 0;
      }

      .cover-card {
        min-height: 340px;
      }

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

      .copyright {
        flex-direction: column;
      }

      .fixed-inner {
        grid-template-columns: 1fr;
        gap: 10px;
      }

      .fixed-tags {
        display: none;
      }

      .fixed-inner .btn {
        width: 100%;
      }
    }

    @media (max-width: 520px) {
      .brand-text {
        max-width: 152px;
        white-space: normal;
      }

      .mobile-cta {
        display: none;
      }

      h1 {
        font-size: 31px;
      }

      .filter-panel,
      .rank-item,
      .side-card,
      .cover-card,
      .cta-box {
        padding: 16px;
      }

      .rank-num {
        width: 46px;
        height: 46px;
        font-size: 18px;
      }

      .cover-card h2 {
        font-size: 25px;
        max-width: 240px;
      }

      .section-head {
        gap: 12px;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #171311;
      --bg-soft: #211b18;
      --panel: #2a2420;
      --panel-strong: #342b25;
      --card: #f8f3ea;
      --card-soft: #fffaf2;
      --text: #f7efe5;
      --text-dark: #211a16;
      --muted: #b7aaa0;
      --muted-dark: #6f6259;
      --line: rgba(255, 239, 220, 0.16);
      --line-dark: rgba(48, 36, 28, 0.12);
      --primary: #b44b3f;
      --primary-hover: #ca5a4b;
      --accent: #d99a48;
      --teal: #6ea9a2;
      --cream: #fff6e8;
      --success: #75b889;
      --warning: #e1aa55;
      --danger: #cf6a5d;
      --radius: 8px;
      --radius-sm: 6px;
      --shadow: 0 18px 45px rgba(0, 0, 0, 0.28);
      --shadow-soft: 0 12px 28px rgba(38, 24, 17, 0.12);
      --container: 1200px;
      --nav-h: 72px;
      --bottom-bar-h: 76px;
      --font: PingFang SC, Microsoft YaHei, Noto Sans SC, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      background:
        radial-gradient(circle at 12% 5%, rgba(180, 75, 63, 0.22), transparent 28%),
        radial-gradient(circle at 88% 12%, rgba(110, 169, 162, 0.16), transparent 30%),
        linear-gradient(180deg, #171311 0%, #241d19 46%, #15110f 100%);
      line-height: 1.65;
      letter-spacing: 0;
      padding-bottom: var(--bottom-bar-h);
    }

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

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      min-height: var(--nav-h);
      background: rgba(23, 19, 17, 0.88);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(18px);
    }

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

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      font-weight: 800;
      color: var(--text);
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: var(--radius-sm);
      background:
        linear-gradient(135deg, rgba(217, 154, 72, 0.95), rgba(180, 75, 63, 0.95)),
        repeating-linear-gradient(45deg, transparent 0 6px, rgba(255,255,255,.12) 6px 7px);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.22), 0 10px 22px rgba(180,75,63,.22);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::after {
      content: "18+";
      position: absolute;
      inset: 7px 5px;
      border: 1px solid rgba(255,255,255,.72);
      border-radius: 4px;
      display: grid;
      place-items: center;
      font-size: 10px;
      font-weight: 800;
      color: #fff;
    }

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

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 6px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 246, 232, 0.04);
    }

    .nav-links a {
      min-height: 40px;
      display: inline-flex;
      align-items: center;
      padding: 0 14px;
      border-radius: var(--radius-sm);
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
      transition: color .2s ease, background .2s ease, transform .2s ease;
    }

    .nav-links a:hover {
      color: var(--text);
      background: rgba(255, 246, 232, 0.08);
    }

    .nav-links a.active {
      color: #fff;
      background: linear-gradient(135deg, rgba(180, 75, 63, 0.88), rgba(217, 154, 72, 0.68));
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.14);
    }

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

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: var(--radius);
      background: rgba(255, 246, 232, 0.08);
      color: var(--text);
      border: 1px solid var(--line);
      align-items: center;
      justify-content: center;
    }

    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after {
      width: 18px;
      height: 2px;
      background: currentColor;
      border-radius: 3px;
      display: block;
      position: relative;
      content: "";
    }

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

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

    .btn {
      min-height: 48px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 0 20px;
      border-radius: var(--radius);
      font-weight: 800;
      line-height: 1;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
      white-space: nowrap;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), #d7853f);
      box-shadow: 0 14px 30px rgba(180, 75, 63, 0.28);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      background: linear-gradient(135deg, var(--primary-hover), #e29b50);
      box-shadow: 0 18px 36px rgba(180, 75, 63, 0.36);
    }

    .btn-primary:active,
    .btn-secondary:active {
      transform: translateY(0);
    }

    .btn-secondary {
      color: var(--text);
      border: 1px solid rgba(255, 246, 232, 0.22);
      background: rgba(255, 246, 232, 0.06);
    }

    .btn-secondary:hover {
      border-color: rgba(217, 154, 72, 0.6);
      background: rgba(217, 154, 72, 0.12);
      transform: translateY(-2px);
    }

    .btn-small {
      min-height: 40px;
      padding: 0 14px;
      font-size: 14px;
    }

    .btn:focus-visible,
    .nav-links a:focus-visible,
    .footer-col a:focus-visible,
    .faq-question:focus-visible,
    .filter-chip:focus-visible,
    .menu-toggle:focus-visible,
    .preference-input:focus-visible {
      outline: 3px solid rgba(217, 154, 72, 0.45);
      outline-offset: 3px;
    }

    .page-main {
      overflow: hidden;
    }

    .category-hero {
      padding: 46px 0 28px;
      border-bottom: 1px solid var(--line);
      background:
        linear-gradient(90deg, rgba(255,246,232,.04) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255,246,232,.03) 1px, transparent 1px);
      background-size: 34px 34px;
    }

    .hero-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) 380px;
      gap: 28px;
      align-items: stretch;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--accent);
      font-size: 14px;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--success);
      box-shadow: 0 0 0 5px rgba(117, 184, 137, 0.16);
    }

    h1 {
      max-width: 820px;
      margin: 0 0 14px;
      font-size: clamp(30px, 4vw, 38px);
      line-height: 1.16;
      font-weight: 800;
      color: #fff;
      letter-spacing: 0;
    }

    .hero-copy {
      max-width: 760px;
      margin: 0;
      color: var(--muted);
      font-size: 16px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin: 24px 0 18px;
    }

    .trust-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .trust-pill,
    .badge,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: 999px;
      font-weight: 800;
      line-height: 1;
    }

    .trust-pill {
      min-height: 34px;
      padding: 0 12px;
      color: var(--cream);
      background: rgba(255, 246, 232, 0.07);
      border: 1px solid var(--line);
      font-size: 13px;
    }

    .trust-pill::before,
    .badge::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--teal);
    }

    .hero-panel {
      position: relative;
      padding: 18px;
      border-radius: var(--radius);
      border: 1px solid rgba(255, 246, 232, 0.16);
      background: linear-gradient(180deg, rgba(52, 43, 37, 0.96), rgba(32, 26, 23, 0.96));
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(135deg, rgba(217,154,72,.18), transparent 38%),
        radial-gradient(circle at 90% 16%, rgba(110,169,162,.22), transparent 24%);
      pointer-events: none;
    }

    .panel-content {
      position: relative;
      z-index: 1;
    }

    .count-ring {
      width: 112px;
      height: 112px;
      margin: 0 auto 16px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: conic-gradient(var(--accent) 0 76%, rgba(255,246,232,.12) 76% 100%);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.16), 0 18px 30px rgba(0,0,0,.28);
      position: relative;
    }

    .count-ring::after {
      content: "";
      position: absolute;
      inset: 10px;
      border-radius: 50%;
      background: var(--panel);
      border: 1px solid rgba(255,255,255,.12);
    }

    .count-ring strong,
    .count-ring span {
      position: relative;
      z-index: 1;
      display: block;
      text-align: center;
    }

    .count-ring strong {
      font-size: 26px;
      line-height: 1;
      color: #fff;
    }

    .count-ring span {
      font-size: 12px;
      color: var(--muted);
      margin-top: 5px;
    }

    .panel-title {
      margin: 0 0 12px;
      font-size: 20px;
      color: #fff;
      text-align: center;
    }

    .panel-dots {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .panel-dots li {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 12px;
      border-radius: var(--radius-sm);
      background: rgba(255,246,232,.06);
      border: 1px solid rgba(255,246,232,.1);
      color: var(--muted);
      font-size: 14px;
    }

    .panel-dots b {
      color: var(--text);
      font-weight: 800;
    }

    .panel-note {
      margin: 14px 0 0;
      padding: 12px;
      border-left: 3px solid var(--accent);
      background: rgba(217,154,72,.1);
      color: var(--cream);
      font-size: 13px;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    }

    .section {
      padding: 74px 0;
    }

    .section-light {
      background: var(--cream);
      color: var(--text-dark);
    }

    .section-muted {
      background: #211b18;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 28px;
    }

    .section-kicker {
      color: var(--primary);
      font-size: 14px;
      font-weight: 800;
      margin: 0 0 8px;
    }

    .section-title {
      margin: 0 0 10px;
      font-size: clamp(26px, 3vw, 34px);
      line-height: 1.25;
      font-weight: 800;
      color: inherit;
    }

    .section-summary {
      margin: 0;
      color: var(--muted);
      font-size: 16px;
    }

    .section-light .section-summary,
    .section-light .card-text,
    .section-light .content-card p,
    .section-light .filter-card p {
      color: var(--muted-dark);
    }

    .filter-layout {
      display: grid;
      grid-template-columns: 280px minmax(0, 1fr);
      gap: 24px;
      align-items: start;
    }

    .filter-sidebar {
      position: sticky;
      top: calc(var(--nav-h) + 18px);
      padding: 18px;
      border-radius: var(--radius);
      border: 1px solid var(--line-dark);
      background: #fffaf2;
      box-shadow: var(--shadow-soft);
    }

    .filter-title {
      margin: 0 0 14px;
      font-size: 18px;
      font-weight: 800;
    }

    .filter-group {
      padding: 14px 0;
      border-top: 1px solid var(--line-dark);
    }

    .filter-group:first-of-type {
      border-top: 0;
      padding-top: 0;
    }

    .filter-label {
      display: block;
      margin-bottom: 10px;
      font-size: 13px;
      font-weight: 800;
      color: #55483f;
    }

    .filter-options {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .filter-chip {
      min-height: 36px;
      padding: 0 11px;
      display: inline-flex;
      align-items: center;
      border-radius: 999px;
      border: 1px solid rgba(52,43,37,.16);
      background: #fff;
      color: #3b302a;
      font-size: 13px;
      font-weight: 800;
      transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
    }

    .filter-chip:hover,
    .filter-chip.active {
      color: #fff;
      background: var(--primary);
      border-color: var(--primary);
      transform: translateY(-1px);
    }

    .preference-box {
      margin-top: 16px;
      padding: 12px;
      border-radius: var(--radius-sm);
      background: rgba(110,169,162,.1);
      border: 1px solid rgba(110,169,162,.22);
    }

    .preference-box label {
      display: block;
      margin-bottom: 8px;
      color: #334845;
      font-size: 13px;
      font-weight: 800;
    }

    .preference-input {
      width: 100%;
      height: 46px;
      border: 1px solid rgba(52,43,37,.16);
      border-radius: var(--radius-sm);
      padding: 0 12px;
      background: #fff;
      color: var(--text-dark);
      outline: none;
    }

    .content-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .content-card {
      min-height: 230px;
      padding: 18px;
      border-radius: var(--radius);
      background: #fffaf2;
      border: 1px solid var(--line-dark);
      box-shadow: var(--shadow-soft);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
      position: relative;
      overflow: hidden;
    }

    .content-card::before {
      content: attr(data-index);
      position: absolute;
      top: 12px;
      right: 14px;
      color: rgba(180,75,63,.15);
      font-size: 52px;
      font-weight: 800;
      line-height: 1;
    }

    .content-card:hover {
      transform: translateY(-2px);
      border-color: rgba(180,75,63,.35);
      box-shadow: 0 18px 36px rgba(38,24,17,.16);
    }

    .card-top {
      min-height: 92px;
      display: flex;
      align-items: flex-start;
      gap: 14px;
      position: relative;
      z-index: 1;
    }

    .abstract-cover {
      width: 72px;
      height: 92px;
      flex: 0 0 auto;
      border-radius: var(--radius-sm);
      background:
        linear-gradient(135deg, rgba(180,75,63,.86), rgba(217,154,72,.74)),
        repeating-linear-gradient(45deg, transparent 0 8px, rgba(255,255,255,.12) 8px 9px);
      border: 1px solid rgba(52,43,37,.12);
      position: relative;
      overflow: hidden;
    }

    .abstract-cover::after {
      content: "18+";
      position: absolute;
      left: 10px;
      bottom: 10px;
      padding: 3px 6px;
      border: 1px solid rgba(255,255,255,.64);
      border-radius: 4px;
      color: #fff;
      font-size: 12px;
      font-weight: 800;
    }

    .content-card h3 {
      margin: 0 0 8px;
      font-size: 20px;
      line-height: 1.35;
      color: var(--text-dark);
      position: relative;
      z-index: 1;
    }

    .content-card p {
      margin: 0 0 14px;
      font-size: 15px;
      position: relative;
      z-index: 1;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 14px 0 16px;
      position: relative;
      z-index: 1;
    }

    .tag {
      min-height: 28px;
      padding: 0 9px;
      color: #57483d;
      background: rgba(217,154,72,.13);
      border: 1px solid rgba(217,154,72,.25);
      font-size: 12px;
    }

    .card-actions {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      position: relative;
      z-index: 1;
    }

    .status {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: #4d5b4f;
      font-size: 13px;
      font-weight: 800;
    }

    .status::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--success);
    }

    .steps-panel {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      align-items: start;
    }

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

    .step-item {
      display: grid;
      grid-template-columns: 44px 1fr;
      gap: 14px;
      padding: 16px;
      border-radius: var(--radius);
      background: rgba(255,246,232,.06);
      border: 1px solid var(--line);
    }

    .step-num {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, rgba(180,75,63,.92), rgba(217,154,72,.78));
      color: #fff;
      font-weight: 800;
    }

    .step-item h3 {
      margin: 0 0 4px;
      font-size: 18px;
      color: #fff;
    }

    .step-item p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .quality-board {
      padding: 20px;
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(255,246,232,.08), rgba(255,246,232,.04));
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .quality-row {
      display: grid;
      grid-template-columns: 118px 1fr 54px;
      gap: 12px;
      align-items: center;
      padding: 13px 0;
      border-bottom: 1px solid var(--line);
    }

    .quality-row:last-child {
      border-bottom: 0;
    }

    .quality-row b {
      color: #fff;
      font-size: 15px;
    }

    .meter {
      height: 8px;
      border-radius: 999px;
      background: rgba(255,246,232,.12);
      overflow: hidden;
    }

    .meter span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--teal), var(--accent));
    }

    .quality-row em {
      font-style: normal;
      color: var(--accent);
      font-weight: 800;
      text-align: right;
    }

    .proof-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 24px;
      align-items: stretch;
    }

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

    .proof-item {
      padding: 16px;
      border-radius: var(--radius);
      background: #fffaf2;
      border: 1px solid var(--line-dark);
      box-shadow: var(--shadow-soft);
    }

    .proof-item strong {
      display: block;
      margin-bottom: 5px;
      color: var(--primary);
      font-size: 24px;
      line-height: 1.1;
    }

    .proof-item span {
      color: var(--muted-dark);
      font-size: 14px;
      font-weight: 700;
    }

    .review-card {
      padding: 22px;
      border-radius: var(--radius);
      background: #2a2420;
      color: var(--text);
      border: 1px solid rgba(255,246,232,.16);
      box-shadow: var(--shadow);
    }

    .review-card p {
      margin: 0 0 14px;
      color: var(--muted);
    }

    .review-card b {
      color: #fff;
    }

    .safety-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .safety-card {
      padding: 20px;
      border-radius: var(--radius);
      background: rgba(255,246,232,.06);
      border: 1px solid var(--line);
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }

    .safety-card:hover {
      transform: translateY(-2px);
      border-color: rgba(217,154,72,.46);
      background: rgba(255,246,232,.08);
    }

    .badge {
      min-height: 30px;
      padding: 0 10px;
      color: var(--cream);
      background: rgba(110,169,162,.16);
      border: 1px solid rgba(110,169,162,.28);
      font-size: 12px;
    }

    .safety-card h3 {
      margin: 14px 0 8px;
      font-size: 20px;
      color: #fff;
    }

    .safety-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: 330px minmax(0, 1fr);
      gap: 28px;
      align-items: start;
    }

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

    .faq-item {
      border-radius: var(--radius);
      border: 1px solid var(--line-dark);
      background: #fffaf2;
      overflow: hidden;
      box-shadow: var(--shadow-soft);
    }

    .faq-question {
      width: 100%;
      min-height: 58px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 0 18px;
      background: transparent;
      color: var(--text-dark);
      font-weight: 800;
      text-align: left;
    }

    .faq-question::after {
      content: "+";
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: #fff;
      background: var(--primary);
      flex: 0 0 auto;
      transition: transform .2s ease;
    }

    .faq-item.open {
      border-color: rgba(180,75,63,.36);
      box-shadow: 0 18px 34px rgba(38,24,17,.15);
    }

    .faq-item.open .faq-question::after {
      content: "−";
      transform: rotate(180deg);
    }

    .faq-answer {
      display: none;
      padding: 0 18px 18px;
      color: var(--muted-dark);
      font-size: 15px;
      border-left: 3px solid var(--primary);
      margin-left: 18px;
    }

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

    .cta-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
      padding: 30px;
      border-radius: var(--radius);
      border: 1px solid rgba(255,246,232,.17);
      background:
        linear-gradient(135deg, rgba(180,75,63,.24), rgba(217,154,72,.12)),
        rgba(255,246,232,.05);
      box-shadow: var(--shadow);
    }

    .cta-panel h2 {
      margin: 0 0 8px;
      font-size: clamp(24px, 3vw, 32px);
      line-height: 1.25;
      color: #fff;
    }

    .cta-panel p {
      margin: 0;
      color: var(--muted);
    }

    .site-footer {
      padding: 54px 0 26px;
      background: #120f0d;
      border-top: 1px solid var(--line);
      color: var(--muted);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr .85fr .85fr .85fr;
      gap: 28px;
      margin-bottom: 28px;
    }

    .footer-brand p {
      max-width: 360px;
      margin: 14px 0 0;
      font-size: 14px;
    }

    .footer-col {
      display: grid;
      gap: 9px;
      align-content: start;
    }

    .footer-col h3 {
      margin: 0 0 6px;
      color: #fff;
      font-size: 16px;
    }

    .footer-col a,
    .footer-col span {
      color: var(--muted);
      font-size: 14px;
      transition: color .2s ease;
    }

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

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding-top: 22px;
      border-top: 1px solid var(--line);
      color: #8f837a;
      font-size: 13px;
    }

    .sticky-cta {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 60;
      min-height: var(--bottom-bar-h);
      display: flex;
      align-items: center;
      background: rgba(18, 15, 13, 0.92);
      border-top: 1px solid rgba(255,246,232,.16);
      backdrop-filter: blur(18px);
    }

    .sticky-inner {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto auto;
      gap: 18px;
      align-items: center;
    }

    .sticky-text {
      display: flex;
      flex-direction: column;
      gap: 2px;
      min-width: 0;
    }

    .sticky-text strong {
      color: #fff;
      font-size: 15px;
    }

    .sticky-text span {
      color: var(--muted);
      font-size: 13px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .sticky-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    @media (max-width: 1024px) {
      .nav-links {
        gap: 2px;
      }

      .nav-links a {
        padding: 0 10px;
      }

      .hero-layout,
      .filter-layout,
      .steps-panel,
      .proof-grid,
      .faq-wrap {
        grid-template-columns: 1fr;
      }

      .filter-sidebar {
        position: static;
      }

      .filter-options {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 2px;
      }

      .filter-chip {
        flex: 0 0 auto;
      }

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

    @media (max-width: 768px) {
      body {
        padding-bottom: 108px;
      }

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

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

      .nav-shell {
        height: 64px;
      }

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

      .nav-links {
        position: absolute;
        left: 14px;
        right: 14px;
        top: 72px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 10px;
        background: rgba(23, 19, 17, 0.98);
        box-shadow: var(--shadow);
      }

      .nav-links.open {
        display: flex;
      }

      .nav-links a {
        min-height: 46px;
        justify-content: center;
      }

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

      .nav-actions .btn-primary {
        min-height: 42px;
        padding: 0 12px;
        font-size: 13px;
      }

      .category-hero {
        padding: 34px 0 22px;
      }

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

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

      .content-grid,
      .proof-strip,
      .safety-grid {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 52px 0;
      }

      .quality-row {
        grid-template-columns: 92px 1fr 46px;
      }

      .cta-panel {
        grid-template-columns: 1fr;
        padding: 22px;
      }

      .cta-panel .btn {
        width: 100%;
      }

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

      .copyright {
        flex-direction: column;
      }

      .sticky-cta {
        min-height: 96px;
        padding: 10px 0 calc(10px + env(safe-area-inset-bottom));
      }

      .sticky-inner {
        width: min(100% - 28px, var(--container));
        grid-template-columns: 1fr;
        gap: 9px;
      }

      .sticky-tags {
        display: none;
      }

      .sticky-inner .btn {
        width: 100%;
      }
    }

    @media (max-width: 520px) {
      .brand-mark {
        width: 30px;
        height: 30px;
      }

      .brand-text {
        max-width: 154px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .nav-actions {
        gap: 6px;
      }

      .panel-dots li,
      .card-actions {
        flex-direction: column;
        align-items: flex-start;
      }

      .content-card {
        min-height: auto;
      }

      .card-top {
        min-height: 82px;
      }

      .abstract-cover {
        width: 60px;
        height: 82px;
      }

      .quality-row {
        grid-template-columns: 1fr;
        gap: 7px;
      }

      .quality-row em {
        text-align: left;
      }
    }

/* roulang page: category3 */
:root{
      --bg:#171312;
      --bg-soft:#211b19;
      --panel:#2b2421;
      --panel-2:#332a26;
      --text:#f7efe8;
      --muted:#c9b8aa;
      --weak:#9d8f84;
      --line:rgba(255,239,220,.14);
      --line-strong:rgba(255,174,99,.38);
      --brand:#b5453e;
      --brand-2:#e78845;
      --brand-3:#f3c37b;
      --safe:#76c7b7;
      --cream:#fff7e9;
      --shadow:0 20px 55px rgba(0,0,0,.32);
      --shadow-soft:0 12px 30px rgba(0,0,0,.22);
      --radius:8px;
      --radius-sm:6px;
      --container:1200px;
      --nav-h:72px;
      --ease:220ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 18% 8%, rgba(181,69,62,.25), transparent 32%),
        radial-gradient(circle at 88% 18%, rgba(231,136,69,.18), transparent 34%),
        linear-gradient(180deg,#120f0e 0%, var(--bg) 42%, #130f0e 100%);
      line-height:1.65;
      font-size:16px;
      padding-bottom:86px;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.22;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.2));
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(calc(100% - 40px),var(--container));margin:0 auto}
    .skip-link{
      position:absolute;
      left:-999px;
      top:10px;
      background:var(--brand-2);
      color:#20100c;
      padding:10px 14px;
      border-radius:var(--radius-sm);
      z-index:1000;
      font-weight:700;
    }
    .skip-link:focus{left:14px}
    .site-header{
      position:sticky;
      top:0;
      z-index:900;
      min-height:var(--nav-h);
      background:rgba(18,15,14,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }
    .nav-wrap{
      height:var(--nav-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:800;
      color:var(--cream);
      letter-spacing:0;
    }
    .brand-mark{
      width:34px;
      height:42px;
      border-radius:7px;
      background:
        linear-gradient(135deg, rgba(243,195,123,.95), rgba(181,69,62,.96)),
        linear-gradient(180deg, rgba(255,255,255,.12), transparent);
      box-shadow:0 9px 24px rgba(181,69,62,.35);
      position:relative;
      border:1px solid rgba(255,255,255,.2);
      transform:rotate(-4deg);
    }
    .brand-mark::before{
      content:"18+";
      position:absolute;
      inset:auto 5px 6px 5px;
      height:16px;
      border-radius:4px;
      background:rgba(18,15,14,.75);
      color:#ffe2b8;
      display:grid;
      place-items:center;
      font-size:10px;
      font-weight:800;
    }
    .brand-text{font-size:18px;white-space:nowrap}
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      flex:1;
    }
    .nav-links a{
      color:var(--muted);
      padding:10px 12px;
      border-radius:var(--radius-sm);
      font-size:15px;
      font-weight:650;
      transition:background var(--ease),color var(--ease),transform var(--ease);
    }
    .nav-links a:hover,.nav-links a:focus{
      color:var(--cream);
      background:rgba(255,255,255,.07);
      outline:none;
      transform:translateY(-1px);
    }
    .nav-links a.active{
      color:#ffe0b2;
      background:linear-gradient(180deg,rgba(231,136,69,.18),rgba(181,69,62,.16));
      box-shadow:inset 0 0 0 1px rgba(231,136,69,.28);
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .nav-cta,.btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:52px;
      padding:0 20px;
      border-radius:var(--radius);
      font-weight:800;
      color:#21100c;
      background:linear-gradient(135deg,var(--brand-3),var(--brand-2));
      box-shadow:0 14px 34px rgba(231,136,69,.24);
      transition:transform var(--ease),box-shadow var(--ease),filter var(--ease),border-color var(--ease),background var(--ease);
    }
    .nav-cta:hover,.btn:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 18px 44px rgba(231,136,69,.32)}
    .nav-cta:active,.btn:active{transform:translateY(0);box-shadow:0 10px 24px rgba(231,136,69,.24)}
    .btn.secondary{
      color:var(--cream);
      background:rgba(255,255,255,.06);
      border:1px solid var(--line-strong);
      box-shadow:none;
    }
    .btn.secondary:hover{background:rgba(231,136,69,.1);box-shadow:0 12px 28px rgba(0,0,0,.18)}
    .menu-toggle{
      display:none;
      width:46px;
      height:46px;
      border-radius:var(--radius);
      background:rgba(255,255,255,.06);
      border:1px solid var(--line);
      color:var(--cream);
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
    }
    .menu-toggle span{width:20px;height:2px;background:currentColor;border-radius:2px;transition:var(--ease)}
    .menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
    .menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
    main{overflow:hidden}
    .section{padding:76px 0}
    .category-hero{
      padding:46px 0 38px;
      border-bottom:1px solid var(--line);
      background:linear-gradient(180deg,rgba(255,255,255,.025),transparent);
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(320px,.78fr);
      gap:30px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      color:#ffe1b3;
      background:rgba(231,136,69,.12);
      border:1px solid rgba(231,136,69,.32);
      font-weight:750;
      font-size:14px;
    }
    .eyebrow .dot,.status-dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--safe);
      box-shadow:0 0 0 4px rgba(118,199,183,.12);
    }
    h1{
      margin:18px 0 14px;
      font-size:clamp(30px,4vw,42px);
      line-height:1.18;
      letter-spacing:0;
      color:var(--cream);
    }
    .lead{
      margin:0;
      max-width:760px;
      color:var(--muted);
      font-size:17px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .trust-strip{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .trust-item,.badge,.tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:34px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.055);
      border:1px solid var(--line);
      color:var(--muted);
      font-size:14px;
      font-weight:650;
    }
    .trust-item strong{color:#ffe0b0}
    .vertical-board{
      position:relative;
      min-height:430px;
      display:grid;
      place-items:center;
    }
    .vertical-card{
      width:min(100%,320px);
      aspect-ratio:9/15.5;
      border-radius:18px;
      padding:18px;
      border:1px solid rgba(255,239,220,.2);
      background:
        linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.025)),
        radial-gradient(circle at 70% 18%,rgba(231,136,69,.36),transparent 30%),
        radial-gradient(circle at 25% 76%,rgba(118,199,183,.18),transparent 32%),
        #251f1d;
      box-shadow:var(--shadow);
      overflow:hidden;
      transform:rotate(1.5deg);
    }
    .vertical-card::before{
      content:"";
      position:absolute;
      inset:20px;
      border:1px dashed rgba(255,226,184,.17);
      border-radius:14px;
      pointer-events:none;
    }
    .screen-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      position:relative;
      z-index:1;
      color:#ffe3b9;
      font-weight:800;
    }
    .screen-top span:last-child{
      padding:4px 8px;
      border-radius:999px;
      background:rgba(118,199,183,.14);
      color:#bdf1e7;
      font-size:12px;
    }
    .abstract-thumb{
      position:relative;
      z-index:1;
      margin:22px auto 16px;
      height:170px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.16);
      background:
        linear-gradient(145deg,rgba(231,136,69,.2),rgba(181,69,62,.1)),
        repeating-linear-gradient(135deg,rgba(255,255,255,.07) 0 8px,transparent 8px 16px);
      display:grid;
      place-items:center;
      color:#ffe7c4;
      font-size:46px;
      font-weight:900;
    }
    .screen-list{
      position:relative;
      z-index:1;
      display:grid;
      gap:10px;
    }
    .screen-row{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      padding:10px;
      border-radius:10px;
      background:rgba(18,15,14,.52);
      border:1px solid rgba(255,255,255,.09);
      color:var(--muted);
      font-size:13px;
    }
    .screen-row b{color:var(--cream)}
    .floating-note{
      position:absolute;
      right:0;
      bottom:38px;
      width:220px;
      padding:14px;
      border-radius:var(--radius);
      background:rgba(43,36,33,.92);
      border:1px solid rgba(231,136,69,.3);
      box-shadow:var(--shadow-soft);
      color:var(--muted);
      font-size:14px;
    }
    .floating-note strong{display:block;color:#ffe0b0;margin-bottom:4px}
    .intro-line{
      display:grid;
      grid-template-columns:.65fr 1.35fr;
      gap:28px;
      align-items:start;
      padding:28px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:linear-gradient(135deg,rgba(255,255,255,.065),rgba(255,255,255,.025));
      box-shadow:var(--shadow-soft);
    }
    .section-kicker{margin:0 0 8px;color:var(--brand-3);font-weight:800}
    .section-title{margin:0;color:var(--cream);font-size:clamp(24px,3vw,34px);line-height:1.25}
    .section-text{margin:0;color:var(--muted)}
    .matrix{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
      margin-top:24px;
    }
    .entry-card{
      position:relative;
      min-height:220px;
      padding:20px;
      border-radius:var(--radius);
      background:
        linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03)),
        var(--panel);
      border:1px solid var(--line);
      box-shadow:0 12px 28px rgba(0,0,0,.18);
      transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease),background var(--ease);
      overflow:hidden;
    }
    .entry-card::after{
      content:"";
      position:absolute;
      width:110px;
      height:110px;
      right:-42px;
      top:-42px;
      border-radius:50%;
      background:rgba(231,136,69,.13);
    }
    .entry-card:hover{
      transform:translateY(-2px);
      border-color:var(--line-strong);
      box-shadow:0 20px 42px rgba(0,0,0,.28);
      background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.035)),var(--panel);
    }
    .card-num{
      display:inline-grid;
      place-items:center;
      width:36px;
      height:36px;
      border-radius:7px;
      color:#28120c;
      background:linear-gradient(135deg,var(--brand-3),var(--brand-2));
      font-weight:900;
      margin-bottom:18px;
    }
    .entry-card h2,.entry-card h3{
      position:relative;
      margin:0 0 8px;
      color:var(--cream);
      font-size:20px;
      line-height:1.35;
    }
    .entry-card p{position:relative;margin:0 0 16px;color:var(--muted);font-size:15px}
    .card-meta{
      position:relative;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:auto;
    }
    .badge{
      min-height:30px;
      padding:5px 9px;
      font-size:13px;
      color:#e8d4c4;
    }
    .badge.safe{border-color:rgba(118,199,183,.35);color:#bdeee5;background:rgba(118,199,183,.09)}
    .split-panel{
      display:grid;
      grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
      gap:24px;
      align-items:stretch;
    }
    .side-panel,.flow-panel,.notice-panel{
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:rgba(43,36,33,.74);
      box-shadow:var(--shadow-soft);
    }
    .side-panel{padding:24px}
    .side-panel h2{margin:0 0 12px;color:var(--cream);font-size:28px;line-height:1.25}
    .side-panel p{margin:0;color:var(--muted)}
    .mini-stats{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin-top:24px;
    }
    .stat{
      padding:16px;
      border-radius:var(--radius);
      background:rgba(255,255,255,.05);
      border:1px solid var(--line);
    }
    .stat strong{display:block;color:#ffe0b0;font-size:24px;line-height:1.1}
    .stat span{color:var(--weak);font-size:13px}
    .flow-panel{padding:10px}
    .flow-item{
      display:grid;
      grid-template-columns:56px 1fr auto;
      align-items:center;
      gap:14px;
      padding:16px;
      border-radius:var(--radius-sm);
      transition:background var(--ease),transform var(--ease);
    }
    .flow-item + .flow-item{border-top:1px solid var(--line)}
    .flow-item:hover{background:rgba(255,255,255,.045);transform:translateX(2px)}
    .flow-icon{
      width:46px;
      height:46px;
      border-radius:8px;
      display:grid;
      place-items:center;
      background:linear-gradient(145deg,rgba(181,69,62,.34),rgba(231,136,69,.14));
      border:1px solid rgba(231,136,69,.22);
      color:#ffe0b0;
      font-weight:900;
    }
    .flow-item h3{margin:0 0 2px;color:var(--cream);font-size:17px}
    .flow-item p{margin:0;color:var(--muted);font-size:14px}
    .flow-action{
      padding:8px 11px;
      border-radius:var(--radius-sm);
      color:#ffdca8;
      background:rgba(231,136,69,.1);
      border:1px solid rgba(231,136,69,.22);
      font-weight:750;
      white-space:nowrap;
    }
    .timeline-wrap{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:20px;
      align-items:start;
    }
    .timeline{
      display:grid;
      gap:12px;
    }
    .time-card{
      display:grid;
      grid-template-columns:110px 1fr;
      gap:16px;
      padding:18px;
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:linear-gradient(90deg,rgba(255,255,255,.055),rgba(255,255,255,.025));
      transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
    }
    .time-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-soft)}
    .time-label{
      color:#ffe0b0;
      font-weight:900;
      display:flex;
      align-items:center;
      gap:8px;
    }
    .time-card h3{margin:0 0 5px;color:var(--cream);font-size:18px}
    .time-card p{margin:0;color:var(--muted);font-size:15px}
    .notice-panel{padding:22px;position:sticky;top:96px}
    .notice-panel h2{margin:0 0 10px;color:var(--cream);font-size:24px}
    .check-list{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}
    .check-list li{
      display:flex;
      gap:10px;
      color:var(--muted);
      padding-bottom:12px;
      border-bottom:1px solid rgba(255,255,255,.07);
    }
    .check-list li:last-child{border-bottom:0;padding-bottom:0}
    .check-list i{
      flex:0 0 22px;
      width:22px;
      height:22px;
      border-radius:50%;
      background:rgba(118,199,183,.13);
      color:#bdf1e7;
      display:grid;
      place-items:center;
      font-style:normal;
      font-weight:900;
      font-size:13px;
    }
    .proof-band{
      padding:22px;
      border-radius:var(--radius);
      border:1px solid rgba(231,136,69,.28);
      background:
        linear-gradient(135deg,rgba(181,69,62,.19),rgba(231,136,69,.08)),
        rgba(255,255,255,.03);
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      align-items:center;
      margin-bottom:18px;
    }
    .proof-band h2{margin:0 0 6px;color:var(--cream);font-size:26px}
    .proof-band p{margin:0;color:var(--muted)}
    .proof-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}
    .review-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .review-card{
      padding:20px;
      border-radius:var(--radius);
      background:rgba(43,36,33,.78);
      border:1px solid var(--line);
      box-shadow:0 10px 24px rgba(0,0,0,.16);
    }
    .review-card p{margin:0 0 14px;color:var(--muted)}
    .review-card strong{display:flex;align-items:center;gap:8px;color:#ffe0b0}
    .faq-wrap{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:24px;
    }
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:rgba(43,36,33,.72);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      min-height:58px;
      padding:16px 18px;
      background:transparent;
      color:var(--cream);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      text-align:left;
      font-weight:800;
    }
    .faq-question:focus{outline:2px solid rgba(231,136,69,.58);outline-offset:-2px}
    .faq-question span:last-child{
      width:28px;
      height:28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.07);
      color:#ffdca8;
      flex:0 0 auto;
    }
    .faq-answer{
      display:none;
      padding:0 18px 18px;
      color:var(--muted);
      border-top:1px solid rgba(231,136,69,.18);
    }
    .faq-item.open{border-color:var(--line-strong)}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{background:rgba(231,136,69,.16);transform:rotate(45deg)}
    .cta-section{padding:76px 0 96px}
    .cta-box{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius);
      border:1px solid rgba(231,136,69,.32);
      background:
        radial-gradient(circle at 20% 20%,rgba(231,136,69,.28),transparent 28%),
        linear-gradient(135deg,rgba(181,69,62,.28),rgba(43,36,33,.88));
      padding:32px;
      box-shadow:var(--shadow);
      display:grid;
      grid-template-columns:1fr auto;
      gap:22px;
      align-items:center;
    }
    .cta-box::after{
      content:"";
      position:absolute;
      right:-80px;
      top:-90px;
      width:240px;
      height:240px;
      border-radius:40px;
      border:1px solid rgba(255,255,255,.12);
      transform:rotate(20deg);
    }
    .cta-box h2{position:relative;margin:0 0 8px;color:var(--cream);font-size:30px;line-height:1.25}
    .cta-box p{position:relative;margin:0;color:var(--muted);max-width:760px}
    .cta-box .btn{position:relative;min-width:190px}
    .site-footer{
      border-top:1px solid var(--line);
      background:#100d0c;
      padding:48px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr .8fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand p{margin:14px 0 0;color:var(--weak);font-size:14px;max-width:360px}
    .footer-col{display:grid;gap:9px}
    .footer-col h3{margin:0 0 8px;color:var(--cream);font-size:16px}
    .footer-col a,.footer-col span{
      color:var(--weak);
      font-size:14px;
      transition:color var(--ease),transform var(--ease);
    }
    .footer-col a:hover{color:#ffe0b0;transform:translateX(2px)}
    .copyright{
      margin-top:30px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:14px;
      color:#83776f;
      font-size:13px;
      flex-wrap:wrap;
    }
    .fixed-cta{
      position:fixed;
      left:0;
      right:0;
      bottom:0;
      z-index:880;
      background:rgba(18,15,14,.9);
      backdrop-filter:blur(18px);
      border-top:1px solid rgba(231,136,69,.24);
      padding:12px 0 calc(12px + env(safe-area-inset-bottom));
      box-shadow:0 -16px 40px rgba(0,0,0,.28);
    }
    .fixed-inner{
      display:grid;
      grid-template-columns:1fr auto auto;
      align-items:center;
      gap:16px;
    }
    .fixed-copy{color:var(--muted);font-weight:700}
    .fixed-copy strong{color:#ffe0b0}
    .fixed-tags{display:flex;gap:8px;flex-wrap:wrap}
    .fixed-cta .btn{min-height:48px;padding:0 18px}
    .focusable:focus,.btn:focus,.nav-cta:focus{
      outline:2px solid rgba(243,195,123,.72);
      outline-offset:3px;
    }
    @media (max-width:1024px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .nav-links a{padding:9px 8px;font-size:14px}
      .hero-grid,.split-panel,.timeline-wrap,.faq-wrap{grid-template-columns:1fr}
      .vertical-board{min-height:auto}
      .floating-note{right:4%;bottom:16px}
      .matrix{grid-template-columns:repeat(2,1fr)}
      .notice-panel{position:static}
      .footer-grid{grid-template-columns:1fr 1fr}
      .fixed-inner{grid-template-columns:1fr auto}
      .fixed-tags{display:none}
    }
    @media (max-width:768px){
      body{padding-bottom:102px}
      .nav-wrap{height:66px}
      .brand-text{font-size:16px}
      .brand-mark{width:30px;height:38px}
      .menu-toggle{display:flex}
      .nav-links{
        position:absolute;
        left:16px;
        right:16px;
        top:72px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:12px;
        border:1px solid var(--line);
        border-radius:var(--radius);
        background:rgba(25,21,19,.98);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-links a{min-height:46px;display:flex;align-items:center}
      .nav-cta{display:none}
      .category-hero{padding:34px 0 28px}
      .section{padding:54px 0}
      .intro-line{grid-template-columns:1fr;padding:22px}
      .matrix{grid-template-columns:1fr}
      .vertical-card{width:min(100%,292px)}
      .floating-note{position:relative;right:auto;bottom:auto;margin:-14px auto 0;width:min(100%,280px)}
      .flow-item{grid-template-columns:46px 1fr}
      .flow-action{grid-column:2;justify-self:start}
      .time-card{grid-template-columns:1fr;gap:8px}
      .proof-band{grid-template-columns:1fr}
      .proof-tags{justify-content:flex-start}
      .review-grid{grid-template-columns:1fr}
      .cta-box{grid-template-columns:1fr;padding:24px}
      .footer-grid{grid-template-columns:1fr}
      .fixed-inner{grid-template-columns:1fr;gap:10px}
      .fixed-copy{text-align:center;font-size:14px}
      .fixed-cta .btn{width:100%;min-height:52px}
    }
    @media (max-width:520px){
      .container{width:min(calc(100% - 24px),var(--container))}
      h1{font-size:31px}
      .lead{font-size:16px}
      .hero-actions .btn{width:100%}
      .trust-strip{gap:8px}
      .trust-item,.tag{font-size:13px}
      .mini-stats{grid-template-columns:1fr}
      .screen-row{font-size:12px}
      .copyright{font-size:12px}
    }