/* roulang page: index */
:root {
      --ink: #101012;
      --ink-soft: #242226;
      --berry: #7C2D5B;
      --berry-dark: #5f2145;
      --coral: #FF5A5F;
      --coral-dark: #e3484d;
      --cream: #F7F3EF;
      --mist: #E6E0DA;
      --amber: #F5B451;
      --muted: #716a66;
      --line: rgba(16,16,18,.12);
      --shadow: 0 18px 50px rgba(16,16,18,.12);
      --shadow-soft: 0 10px 24px rgba(16,16,18,.08);
      --radius-card: 8px;
      --radius-panel: 10px;
      --radius-btn: 14px;
      --dock-h: 74px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--ink);
      background: var(--cream);
      line-height: 1.7;
      padding-bottom: 92px;
      text-rendering: optimizeLegibility;
    }

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

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

    .site-container {
      width: min(1180px, calc(100% - 40px));
      margin-inline: auto;
    }

    .dock-wrap {
      position: fixed;
      top: 22px;
      left: 0;
      right: 0;
      z-index: 50;
      pointer-events: none;
    }

    .dock {
      width: min(1120px, calc(100% - 32px));
      margin: 0 auto;
      min-height: var(--dock-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 10px 12px 10px 18px;
      border: 1px solid rgba(247,243,239,.18);
      border-radius: 999px;
      background: rgba(16,16,18,.78);
      color: #fff;
      backdrop-filter: blur(18px);
      box-shadow: 0 22px 55px rgba(0,0,0,.22);
      pointer-events: auto;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      font-weight: 800;
      letter-spacing: 0;
      white-space: nowrap;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, var(--coral), var(--berry));
      color: #fff;
      font-size: 14px;
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.22);
      flex: 0 0 auto;
    }

    .brand-text {
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 260px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 4px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
    }

    .nav-links a {
      min-height: 40px;
      display: inline-flex;
      align-items: center;
      padding: 0 15px;
      border-radius: 999px;
      color: rgba(255,255,255,.78);
      font-size: 14px;
      transition: background .2s ease, color .2s ease, transform .2s ease;
    }

    .nav-links a:hover,
    .nav-links a:focus-visible,
    .nav-links a.active {
      background: rgba(255,255,255,.16);
      color: #fff;
      outline: none;
    }

    .dock-actions {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .search-mini {
      height: 42px;
      width: 42px;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 999px;
      display: grid;
      place-items: center;
      color: rgba(255,255,255,.82);
      transition: background .2s ease, border-color .2s ease;
    }

    .search-mini:hover,
    .search-mini:focus-visible {
      background: rgba(255,255,255,.12);
      border-color: rgba(255,255,255,.3);
      outline: none;
    }

    .menu-btn {
      display: none;
      height: 42px;
      width: 42px;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 999px;
      background: transparent;
      color: #fff;
    }

    .btn {
      min-height: 50px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: var(--radius-btn);
      padding: 0 22px;
      font-weight: 800;
      letter-spacing: 0;
      border: 1px solid transparent;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--coral);
      color: #fff;
      box-shadow: 0 12px 28px rgba(255,90,95,.26);
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      background: var(--coral-dark);
      transform: translateY(-2px);
      box-shadow: 0 18px 36px rgba(255,90,95,.32);
      outline: none;
    }

    .btn-secondary {
      background: rgba(255,255,255,.08);
      color: #fff;
      border-color: rgba(255,255,255,.18);
    }

    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      background: rgba(255,255,255,.16);
      outline: none;
    }

    .btn-light {
      background: #fff;
      color: var(--berry);
      border-color: rgba(124,45,91,.12);
    }

    .btn-light:hover,
    .btn-light:focus-visible {
      border-color: rgba(124,45,91,.28);
      transform: translateY(-2px);
      box-shadow: var(--shadow-soft);
      outline: none;
    }

    .tag,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 28px;
      border-radius: 999px;
      padding: 4px 10px;
      font-size: 13px;
      font-weight: 700;
      line-height: 1.3;
    }

    .tag {
      background: rgba(124,45,91,.1);
      color: var(--berry);
      border: 1px solid rgba(124,45,91,.12);
    }

    .badge {
      background: rgba(255,90,95,.12);
      color: var(--coral-dark);
      border: 1px solid rgba(255,90,95,.16);
    }

    .hero {
      padding: 128px 0 42px;
      background:
        radial-gradient(circle at 20% 5%, rgba(255,90,95,.28), transparent 30%),
        radial-gradient(circle at 80% 18%, rgba(245,180,81,.18), transparent 28%),
        linear-gradient(145deg, #101012 0%, #21161d 48%, #3a2032 100%);
      color: #fff;
      overflow: hidden;
    }

    .hero-stage {
      display: grid;
      grid-template-columns: 1.12fr .88fr;
      gap: 22px;
      align-items: stretch;
    }

    .hero-copy {
      min-height: 520px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 50px;
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 18px;
      background: rgba(255,255,255,.05);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
    }

    .hero h1 {
      margin: 18px 0 18px;
      font-size: clamp(34px, 5vw, 56px);
      line-height: 1.12;
      letter-spacing: 0;
      font-weight: 900;
      max-width: 820px;
    }

    .hero p {
      max-width: 760px;
      color: rgba(255,255,255,.78);
      font-size: 17px;
      margin: 0;
    }

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

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

    .metric {
      border: 1px solid rgba(255,255,255,.12);
      border-radius: var(--radius-card);
      padding: 14px;
      background: rgba(255,255,255,.06);
    }

    .metric strong {
      display: block;
      font-size: 24px;
      line-height: 1.2;
    }

    .metric span {
      color: rgba(255,255,255,.68);
      font-size: 13px;
    }

    .hero-panel {
      display: grid;
      gap: 12px;
      grid-template-rows: auto 1fr auto;
      padding: 18px;
      border-radius: 18px;
      background: rgba(247,243,239,.96);
      color: var(--ink);
      box-shadow: var(--shadow);
    }

    .access-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 10px;
    }

    .access-card {
      min-height: 132px;
      border-radius: var(--radius-card);
      border: 1px solid var(--line);
      padding: 16px;
      background:
        linear-gradient(135deg, rgba(255,90,95,.10), transparent 45%),
        #fff;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform .2s ease, border-color .2s ease;
    }

    .access-card:hover {
      transform: translateY(-3px);
      border-color: rgba(255,90,95,.35);
    }

    .access-card:nth-child(2),
    .access-card:nth-child(3) {
      background:
        linear-gradient(135deg, rgba(124,45,91,.12), transparent 45%),
        #fff;
    }

    .access-icon {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--berry);
      font-weight: 900;
    }

    .access-card h3 {
      margin: 12px 0 4px;
      font-size: 17px;
      line-height: 1.35;
    }

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

    .panel-note {
      border-radius: var(--radius-card);
      background: var(--ink);
      color: #fff;
      padding: 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .panel-note span {
      color: rgba(255,255,255,.72);
      font-size: 13px;
    }

    section {
      padding: 74px 0;
    }

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

    .section-head h2 {
      margin: 0;
      font-size: clamp(26px, 3vw, 36px);
      line-height: 1.25;
      font-weight: 900;
      letter-spacing: 0;
    }

    .section-head p {
      margin: 8px 0 0;
      max-width: 680px;
      color: var(--muted);
      font-size: 16px;
    }

    .trust-strip {
      padding: 22px 0;
      background: #fff;
      border-bottom: 1px solid var(--line);
    }

    .trust-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 10px;
    }

    .trust-item {
      min-height: 78px;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 14px;
      border-radius: var(--radius-card);
      background: var(--cream);
      border: 1px solid var(--line);
      color: var(--ink-soft);
      font-weight: 800;
    }

    .trust-item i {
      width: 30px;
      height: 30px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: rgba(124,45,91,.12);
      color: var(--berry);
      font-style: normal;
      flex: 0 0 auto;
    }

    .benefits {
      background: var(--cream);
    }

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

    .compare-table {
      width: 100%;
      min-width: 780px;
      border-collapse: separate;
      border-spacing: 0;
    }

    .compare-table th,
    .compare-table td {
      padding: 18px;
      border-bottom: 1px solid var(--line);
      text-align: left;
      vertical-align: top;
    }

    .compare-table th {
      background: #fff;
      font-size: 16px;
      color: var(--ink);
    }

    .compare-table tr:last-child td {
      border-bottom: 0;
    }

    .compare-table th:first-child,
    .compare-table td:first-child {
      color: var(--muted);
      width: 22%;
    }

    .compare-table .recommended {
      background: rgba(255,90,95,.06);
      box-shadow: inset 0 3px 0 var(--coral);
    }

    .check {
      color: var(--berry);
      font-weight: 900;
    }

    .levels {
      background: #fff;
    }

    .level-lane {
      display: grid;
      grid-template-columns: .86fr 1fr 1.12fr;
      gap: 16px;
      align-items: stretch;
    }

    .level-card {
      position: relative;
      border-radius: var(--radius-card);
      border: 1px solid var(--line);
      padding: 22px;
      background: var(--cream);
      box-shadow: var(--shadow-soft);
      transition: transform .2s ease, border-color .2s ease;
    }

    .level-card:hover {
      transform: translateY(-4px);
      border-color: rgba(124,45,91,.28);
    }

    .level-card.featured {
      background: linear-gradient(135deg, rgba(255,90,95,.14), rgba(124,45,91,.08)), #fff;
      border-color: rgba(255,90,95,.28);
    }

    .level-card h3 {
      margin: 14px 0 10px;
      font-size: 22px;
      font-weight: 900;
    }

    .level-card ul {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
      color: var(--ink-soft);
    }

    .level-card li {
      display: flex;
      gap: 9px;
      align-items: flex-start;
    }

    .preview {
      background: var(--ink);
      color: #fff;
    }

    .preview .section-head p {
      color: rgba(255,255,255,.68);
    }

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

    .preview-card {
      border-radius: var(--radius-card);
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }

    .preview-card:hover {
      transform: translateY(-4px);
      border-color: rgba(255,90,95,.38);
      background: rgba(255,255,255,.09);
    }

    .cover {
      height: 174px;
      position: relative;
      background:
        linear-gradient(135deg, rgba(255,90,95,.88), rgba(124,45,91,.86)),
        repeating-linear-gradient(45deg, rgba(255,255,255,.2) 0 8px, transparent 8px 18px);
    }

    .cover::after {
      content: "权限保护";
      position: absolute;
      inset: auto 14px 14px auto;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(16,16,18,.72);
      color: #fff;
      font-size: 12px;
      font-weight: 800;
      backdrop-filter: blur(8px);
    }

    .cover.alt {
      background:
        linear-gradient(135deg, rgba(245,180,81,.9), rgba(124,45,91,.88)),
        repeating-linear-gradient(-45deg, rgba(255,255,255,.2) 0 8px, transparent 8px 18px);
    }

    .cover.deep {
      background:
        linear-gradient(135deg, rgba(124,45,91,.96), rgba(16,16,18,.92)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.16) 0 6px, transparent 6px 16px);
    }

    .preview-body {
      padding: 18px;
    }

    .preview-body h3 {
      margin: 12px 0 8px;
      font-size: 19px;
      font-weight: 900;
    }

    .preview-body p {
      margin: 0 0 16px;
      color: rgba(255,255,255,.68);
      font-size: 14px;
    }

    .updates {
      background: #fff;
    }

    .updates-layout {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 18px;
    }

    .news-list,
    .side-panel {
      border: 1px solid var(--line);
      border-radius: var(--radius-panel);
      background: var(--cream);
      padding: 16px;
    }

    .news-list a {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 15px 10px;
      border-radius: var(--radius-card);
      border-bottom: 1px solid var(--line);
      transition: background .2s ease, color .2s ease;
    }

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

    .news-list a:hover,
    .news-list a:focus-visible {
      background: #fff;
      color: var(--berry);
      outline: none;
    }

    .news-list em {
      font-style: normal;
      color: var(--coral);
      font-weight: 900;
    }

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

    .hot-list {
      display: grid;
      gap: 10px;
      margin-top: 14px;
    }

    .hot-item {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 13px;
      border-radius: var(--radius-card);
      background: #fff;
      border: 1px solid var(--line);
    }

    .hot-item strong {
      display: block;
      font-size: 15px;
    }

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

    .faq {
      background: var(--cream);
    }

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

    .faq-item {
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      background: #fff;
      overflow: hidden;
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    .faq-item.active {
      border-color: rgba(255,90,95,.3);
      box-shadow: var(--shadow-soft);
    }

    .faq-question {
      width: 100%;
      min-height: 56px;
      border: 0;
      background: transparent;
      padding: 16px 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      text-align: left;
      font-weight: 900;
      color: var(--ink);
    }

    .faq-question:focus-visible {
      outline: 3px solid rgba(124,45,91,.22);
      outline-offset: -3px;
    }

    .faq-question .plus {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: rgba(124,45,91,.1);
      color: var(--berry);
      flex: 0 0 auto;
      transition: transform .2s ease;
    }

    .faq-item.active .plus {
      transform: rotate(45deg);
      background: rgba(255,90,95,.16);
      color: var(--coral-dark);
    }

    .faq-answer {
      display: none;
      padding: 0 18px 18px;
      color: var(--muted);
      border-left: 4px solid var(--coral);
      margin-left: 18px;
    }

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

    .join {
      background:
        linear-gradient(135deg, rgba(124,45,91,.12), rgba(255,90,95,.12)),
        #fff;
    }

    .join-card {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 20px;
      padding: 28px;
      border-radius: 16px;
      background: var(--ink);
      color: #fff;
      box-shadow: var(--shadow);
    }

    .join-card h2 {
      margin: 0 0 10px;
      font-size: clamp(28px, 3.6vw, 44px);
      line-height: 1.2;
      font-weight: 900;
    }

    .join-card p {
      margin: 0;
      color: rgba(255,255,255,.72);
    }

    .price-box {
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
      border-radius: var(--radius-panel);
      padding: 18px;
    }

    .price-row {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 0;
      border-bottom: 1px solid rgba(255,255,255,.12);
    }

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

    .footer {
      background: var(--ink);
      color: rgba(255,255,255,.72);
      padding: 54px 0 116px;
      border-top: 1px solid rgba(255,255,255,.08);
    }

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

    .footer h3,
    .footer h4 {
      color: #fff;
      margin: 0 0 12px;
      font-weight: 900;
    }

    .footer p {
      margin: 0;
      max-width: 520px;
    }

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

    .footer a:hover,
    .footer a:focus-visible {
      color: #fff;
      outline: none;
    }

    .copyright {
      margin-top: 30px;
      padding-top: 18px;
      border-top: 1px solid rgba(255,255,255,.1);
      font-size: 13px;
      color: rgba(255,255,255,.54);
    }

    .fixed-cta {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 45;
      padding: 12px 18px calc(12px + env(safe-area-inset-bottom));
      background: rgba(16,16,18,.86);
      backdrop-filter: blur(18px);
      border-top: 1px solid rgba(255,255,255,.12);
      color: #fff;
    }

    .fixed-inner {
      width: min(1120px, 100%);
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
    }

    .fixed-inner strong {
      display: block;
      line-height: 1.3;
    }

    .fixed-inner span {
      color: rgba(255,255,255,.66);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .hero-stage,
      .updates-layout,
      .join-card {
        grid-template-columns: 1fr;
      }

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

      .trust-grid {
        grid-template-columns: repeat(3, 1fr);
      }

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

      .level-lane {
        grid-template-columns: 1fr;
      }

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

    @media (max-width: 768px) {
      body {
        padding-bottom: 88px;
      }

      .site-container {
        width: min(100% - 28px, 1180px);
      }

      .dock {
        min-height: 62px;
        padding: 9px 10px 9px 14px;
        gap: 10px;
      }

      .brand-text {
        max-width: 148px;
        font-size: 14px;
      }

      .nav-links {
        position: absolute;
        top: calc(100% + 10px);
        left: 16px;
        right: 16px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 10px;
        border-radius: 18px;
        background: rgba(16,16,18,.94);
        border: 1px solid rgba(255,255,255,.12);
        box-shadow: var(--shadow);
      }

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

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

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

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

      .hero {
        padding-top: 106px;
      }

      .hero-copy {
        padding: 26px;
        border-radius: 14px;
      }

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

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

      .btn {
        width: 100%;
        min-height: 50px;
        padding-inline: 16px;
      }

      .hero-metrics,
      .access-grid,
      .trust-grid,
      .preview-grid {
        grid-template-columns: 1fr;
      }

      .section-head {
        display: block;
      }

      section {
        padding: 54px 0;
      }

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

      .news-list span {
        grid-column: 2;
      }

      .join-card {
        padding: 22px;
      }

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

      .fixed-inner {
        align-items: stretch;
      }

      .fixed-inner .btn-light {
        width: auto;
        min-width: 138px;
      }

      .fixed-inner span {
        display: none;
      }
    }

    @media (max-width: 520px) {
      .dock-wrap {
        top: 14px;
      }

      .dock {
        width: calc(100% - 20px);
      }

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

      .brand-text {
        max-width: 126px;
      }

      .hero-copy {
        padding: 22px 18px;
      }

      .panel-note {
        flex-direction: column;
        align-items: flex-start;
      }

      .compare-table {
        min-width: 700px;
      }

      .fixed-cta {
        padding-inline: 12px;
      }

      .fixed-inner {
        gap: 10px;
      }

      .fixed-inner strong {
        font-size: 14px;
      }
    }

/* roulang page: category1 */
:root{
      --ink:#101012;
      --berry:#7C2D5B;
      --coral:#FF5A5F;
      --cream:#F7F3EF;
      --mist:#E6E0DA;
      --amber:#F5B451;
      --paper:#FFFDFC;
      --muted:#706A68;
      --line:rgba(16,16,18,.12);
      --shadow:0 18px 60px rgba(16,16,18,.12);
      --soft-shadow:0 10px 34px rgba(16,16,18,.08);
      --radius:8px;
      --radius-lg:10px;
      --radius-btn:14px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 12% 8%, rgba(255,90,95,.12), transparent 28%),
        linear-gradient(180deg, #171216 0%, #24151d 360px, var(--cream) 361px, var(--cream) 100%);
      line-height:1.7;
      padding-bottom:92px;
    }
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(255,90,95,.36);outline-offset:3px}
    .site-container{width:min(1180px, calc(100% - 36px));margin:0 auto}
    .dock-wrap{position:fixed;top:22px;left:0;right:0;z-index:50;pointer-events:none}
    .dock{
      width:min(1120px, calc(100% - 32px));
      margin:0 auto;
      min-height:68px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:10px 12px 10px 18px;
      border:1px solid rgba(255,255,255,.34);
      border-radius:999px;
      background:rgba(247,243,239,.9);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
      pointer-events:auto;
    }
    .brand{display:flex;align-items:center;gap:10px;min-width:0;font-weight:900}
    .brand-mark{
      width:42px;height:42px;border-radius:999px;
      display:grid;place-items:center;
      background:var(--ink);color:white;
      font-size:13px;letter-spacing:0;
      border:2px solid rgba(255,90,95,.45);
      flex:0 0 auto;
    }
    .brand-text{font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:260px}
    .nav-links{display:flex;align-items:center;justify-content:center;gap:6px;flex:1}
    .nav-links a{
      padding:10px 15px;border-radius:999px;
      color:#473f3d;font-size:15px;font-weight:700;
      transition:.22s ease;
    }
    .nav-links a:hover,.nav-links a.active{background:rgba(124,45,91,.11);color:var(--berry)}
    .dock-actions{display:flex;align-items:center;gap:8px}
    .search-mini{
      width:44px;height:44px;border-radius:999px;
      display:grid;place-items:center;
      border:1px solid var(--line);
      background:white;
      font-size:22px;
      color:var(--berry);
      transition:.22s ease;
    }
    .search-mini:hover{transform:translateY(-1px);box-shadow:var(--soft-shadow)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:48px;padding:0 20px;border-radius:var(--radius-btn);
      border:1px solid transparent;font-weight:900;
      line-height:1.2;transition:.22s ease;
      white-space:nowrap;
    }
    .btn-primary{background:var(--coral);color:white;box-shadow:0 12px 28px rgba(255,90,95,.24)}
    .btn-primary:hover{background:#ea444a;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,90,95,.32)}
    .btn-secondary{background:rgba(255,255,255,.84);border-color:rgba(255,255,255,.5);color:var(--ink)}
    .btn-secondary:hover{background:white;transform:translateY(-1px)}
    .btn-outline{border-color:rgba(124,45,91,.28);color:var(--berry);background:rgba(124,45,91,.05)}
    .btn-outline:hover{background:rgba(124,45,91,.1)}
    .menu-btn{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:999px;background:white;color:var(--ink);font-weight:900}
    .hero{padding:132px 0 34px;color:white}
    .hero-grid{display:grid;grid-template-columns:1.32fr .68fr;gap:16px;align-items:stretch}
    .hero-main,.hero-side,.cta-strip{
      border:1px solid rgba(255,255,255,.14);
      background:linear-gradient(145deg, rgba(255,255,255,.12), rgba(255,255,255,.055));
      border-radius:var(--radius-lg);
      box-shadow:0 24px 80px rgba(0,0,0,.22);
      backdrop-filter:blur(12px);
    }
    .hero-main{padding:34px;min-height:378px;display:flex;flex-direction:column;justify-content:space-between}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;width:max-content;max-width:100%;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);font-weight:800;font-size:14px}
    h1{margin:18px 0 14px;font-size:clamp(32px,5vw,52px);line-height:1.12;letter-spacing:0;font-weight:950;max-width:780px}
    .hero p{color:rgba(255,255,255,.82);font-size:17px;max-width:760px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
    .safe-note{margin-top:20px;color:rgba(255,255,255,.72);font-size:14px}
    .hero-side{padding:18px;display:grid;gap:14px}
    .mini-panel{border-radius:var(--radius);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);padding:18px}
    .mini-panel strong{display:block;font-size:18px;margin-bottom:8px}
    .mini-panel span{color:rgba(255,255,255,.72);font-size:14px}
    .status-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 0;border-top:1px solid rgba(255,255,255,.12);font-size:14px}
    .status-row:first-of-type{border-top:0}
    .status-badge{padding:5px 9px;border-radius:999px;background:rgba(245,180,81,.16);color:#ffd997;font-weight:900}
    .cta-strip{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 18px}
    .trustbar{margin-top:16px;display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
    .trust-item{border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.08);border-radius:var(--radius);padding:13px;color:rgba(255,255,255,.82);font-weight:800;font-size:14px}
    .section{padding:64px 0}
    .section.compact{padding-top:38px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:22px;margin-bottom:22px}
    .section-kicker{color:var(--coral);font-weight:950;font-size:14px;margin-bottom:6px}
    h2{font-size:clamp(26px,3vw,36px);line-height:1.2;margin:0;font-weight:950;letter-spacing:0}
    .section-head p{margin:0;color:var(--muted);max-width:560px}
    .filter-bar{
      display:flex;gap:10px;overflow-x:auto;padding:10px;
      border:1px solid var(--line);background:rgba(255,255,255,.7);
      border-radius:999px;box-shadow:var(--soft-shadow);
      scrollbar-width:none;
    }
    .filter-bar::-webkit-scrollbar{display:none}
    .chip{
      flex:0 0 auto;padding:10px 15px;border-radius:999px;
      background:white;border:1px solid rgba(16,16,18,.08);
      color:#514946;font-weight:900;font-size:14px;
      transition:.22s ease;
    }
    .chip.active,.chip:hover{background:var(--ink);color:white;border-color:var(--ink)}
    .content-layout{display:grid;grid-template-columns:1fr 320px;gap:22px;align-items:start;margin-top:24px}
    .feed-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .feed-card{
      border:1px solid var(--line);border-radius:var(--radius);
      background:var(--paper);box-shadow:var(--soft-shadow);
      overflow:hidden;transition:.22s ease;
    }
    .feed-card:hover{transform:translateY(-3px);border-color:rgba(255,90,95,.36);box-shadow:0 18px 44px rgba(16,16,18,.12)}
    .cover{
      position:relative;aspect-ratio:4/5;overflow:hidden;
      background:
        linear-gradient(135deg, rgba(124,45,91,.92), rgba(255,90,95,.58)),
        repeating-linear-gradient(45deg, rgba(255,255,255,.18) 0 2px, transparent 2px 12px);
    }
    .cover.alt{background:linear-gradient(135deg, #211820, rgba(245,180,81,.68)), repeating-linear-gradient(90deg, rgba(255,255,255,.14) 0 1px, transparent 1px 14px)}
    .cover.safe{background:linear-gradient(135deg, rgba(16,16,18,.96), rgba(124,45,91,.66)), radial-gradient(circle at 68% 30%, rgba(255,255,255,.32), transparent 26%)}
    .lock{
      position:absolute;inset:auto 14px 14px auto;
      width:46px;height:46px;border-radius:999px;
      display:grid;place-items:center;
      background:rgba(255,255,255,.88);color:var(--berry);font-weight:950;
      box-shadow:0 10px 24px rgba(0,0,0,.18);
    }
    .cover-tag{position:absolute;top:12px;left:12px;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.9);font-size:12px;font-weight:950;color:var(--ink)}
    .card-body{padding:16px}
    .meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border-radius:999px;background:rgba(124,45,91,.08);color:var(--berry);font-size:12px;font-weight:950}
    .badge.coral{background:rgba(255,90,95,.12);color:#c83d43}
    .badge.dark{background:rgba(16,16,18,.08);color:var(--ink)}
    .feed-card h3{font-size:18px;line-height:1.32;margin:0 0 8px;font-weight:950}
    .feed-card p{margin:0 0 14px;color:var(--muted);font-size:14px}
    .card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--muted);font-size:13px}
    .small-link{font-weight:950;color:var(--berry)}
    .aside{position:sticky;top:110px;display:grid;gap:14px}
    .side-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--paper);box-shadow:var(--soft-shadow);padding:18px}
    .side-card h3{margin:0 0 10px;font-size:20px;font-weight:950}
    .side-card p{margin:0;color:var(--muted);font-size:14px}
    .benefit-list{display:grid;gap:10px;margin-top:14px}
    .benefit-list li{list-style:none;display:flex;gap:10px;align-items:flex-start;padding:10px;border-radius:var(--radius);background:rgba(124,45,91,.06);font-size:14px}
    .benefit-list li::before{content:"✓";font-weight:950;color:var(--coral)}
    .compare-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-lg);background:white;box-shadow:var(--soft-shadow)}
    .compare{width:100%;border-collapse:separate;border-spacing:0;min-width:760px}
    .compare th,.compare td{padding:16px;text-align:left;border-bottom:1px solid rgba(16,16,18,.08)}
    .compare th{background:#fff8f7;font-weight:950}
    .compare tr:last-child td{border-bottom:0}
    .compare .rec{background:rgba(255,90,95,.08);color:#bd393e}
    .levels{display:grid;grid-template-columns:1fr 1.08fr 1fr;gap:16px}
    .level-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);padding:20px;box-shadow:var(--soft-shadow);transition:.22s ease}
    .level-card.featured{border-color:rgba(255,90,95,.44);transform:translateY(-6px)}
    .level-card:hover{transform:translateY(-3px)}
    .level-card.featured:hover{transform:translateY(-8px)}
    .level-card h3{margin:10px 0;font-size:22px;font-weight:950}
    .level-card ul{margin:14px 0 18px;padding:0;display:grid;gap:9px}
    .level-card li{list-style:none;color:#514946;font-size:15px}
    .level-card li::before{content:"•";color:var(--coral);font-weight:950;margin-right:8px}
    .preview-band{background:var(--ink);color:white}
    .preview-band .section-head p{color:rgba(255,255,255,.72)}
    .preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .preview-card{border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);background:rgba(255,255,255,.07);padding:16px;transition:.22s ease}
    .preview-card:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}
    .mosaic{height:132px;border-radius:var(--radius);margin-bottom:14px;background:linear-gradient(135deg, rgba(255,90,95,.5), rgba(124,45,91,.34)), repeating-linear-gradient(90deg, rgba(255,255,255,.16) 0 12px, transparent 12px 24px);position:relative;overflow:hidden}
    .mosaic::after{content:"权限预览";position:absolute;right:12px;bottom:12px;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.88);color:var(--ink);font-weight:950;font-size:12px}
    .preview-card h3{margin:0 0 8px;font-size:18px;font-weight:950}
    .preview-card p{margin:0;color:rgba(255,255,255,.7);font-size:14px}
    .faq-list{display:grid;gap:10px}
    .faq-item{border:1px solid var(--line);background:white;border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 24px rgba(16,16,18,.05)}
    .faq-question{width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 18px;background:white;border:0;text-align:left;font-weight:950;color:var(--ink)}
    .faq-question span:last-child{font-size:22px;color:var(--coral);transition:.22s ease}
    .faq-answer{display:none;padding:0 18px 18px;color:var(--muted)}
    .faq-item.open{border-left:4px solid var(--coral);background:#fffafa}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .join-box{border-radius:var(--radius-lg);background:linear-gradient(135deg, var(--berry), var(--ink));color:white;padding:30px;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr auto;gap:22px;align-items:center}
    .join-box h2{color:white}
    .join-box p{color:rgba(255,255,255,.76);margin:10px 0 0;max-width:680px}
    .join-options{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
    .join-pill{padding:10px 13px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);font-weight:900}
    .footer{background:var(--ink);color:white;padding:48px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:28px}
    .footer h3,.footer h4{margin:0 0 12px;font-weight:950}
    .footer p{margin:0;color:rgba(255,255,255,.68);max-width:520px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:rgba(255,255,255,.72);transition:.2s ease}
    .footer-links a:hover{color:white}
    .copyright{margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.55);font-size:13px}
    .bottom-cta{position:fixed;left:0;right:0;bottom:0;z-index:45;background:rgba(16,16,18,.9);backdrop-filter:blur(16px);border-top:1px solid rgba(255,255,255,.12);color:white;padding:12px 0 calc(12px + env(safe-area-inset-bottom))}
    .bottom-inner{width:min(1180px, calc(100% - 32px));margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:14px}
    .bottom-copy strong{display:block;font-size:15px}
    .bottom-copy span{display:block;color:rgba(255,255,255,.64);font-size:13px}
    @media (max-width:1024px){
      .brand-text{max-width:190px}
      .hero-grid,.content-layout{grid-template-columns:1fr}
      .trustbar{grid-template-columns:repeat(3,1fr)}
      .aside{position:static;grid-template-columns:repeat(2,1fr)}
      .feed-grid,.preview-grid{grid-template-columns:repeat(2,1fr)}
      .levels{grid-template-columns:1fr}
      .level-card.featured{transform:none}
      .join-box{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      body{padding-bottom:84px}
      .dock{min-height:62px;padding:8px 9px 8px 12px;gap:8px}
      .brand-mark{width:38px;height:38px}
      .brand-text{max-width:150px;font-size:15px}
      .nav-links{
        display:none;position:absolute;top:74px;left:16px;right:16px;
        padding:10px;border-radius:18px;background:rgba(247,243,239,.96);
        border:1px solid var(--line);box-shadow:var(--shadow);
        flex-direction:column;align-items:stretch;
      }
      .nav-links.open{display:flex}
      .nav-links a{text-align:center}
      .search-mini{display:none}
      .dock-actions .btn{display:none}
      .menu-btn{display:grid;place-items:center}
      .hero{padding-top:110px}
      .hero-main{padding:24px;min-height:auto}
      .cta-strip{align-items:flex-start;flex-direction:column}
      .trustbar{grid-template-columns:repeat(2,1fr)}
      .section{padding:48px 0}
      .section-head{display:block}
      .section-head p{margin-top:10px}
      .feed-grid,.preview-grid,.aside{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .bottom-copy span{display:none}
      .bottom-inner .btn-secondary{display:none}
    }
    @media (max-width:520px){
      .site-container{width:min(100% - 24px, 1180px)}
      h1{font-size:32px}
      .hero-actions .btn,.join-box .btn,.bottom-inner .btn{width:100%}
      .hero-actions{flex-direction:column}
      .trustbar{grid-template-columns:1fr}
      .filter-bar{border-radius:18px}
      .cover{aspect-ratio:16/10}
      .bottom-inner{gap:10px}
      .bottom-copy{min-width:0}
      .bottom-copy strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:150px}
    }

/* roulang page: category2 */
:root {
      --ink: #101012;
      --ink-soft: #262327;
      --berry: #7C2D5B;
      --berry-dark: #612047;
      --coral: #FF5A5F;
      --coral-dark: #E2494E;
      --warm: #F7F3EF;
      --warm-2: #FFFDF9;
      --mist: #E6E0DA;
      --muted: #6F6662;
      --amber: #F5B451;
      --line: rgba(16, 16, 18, .12);
      --shadow: 0 22px 60px rgba(16, 16, 18, .12);
      --shadow-soft: 0 14px 36px rgba(16, 16, 18, .08);
      --radius: 8px;
      --radius-lg: 14px;
      --dock-h: 78px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-width: 320px;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 14% 8%, rgba(255, 90, 95, .09), transparent 28%),
        linear-gradient(180deg, #fffaf5 0%, var(--warm) 46%, #ffffff 100%);
      line-height: 1.7;
      letter-spacing: 0;
      padding-bottom: 96px;
    }

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

    button,
    input,
    select {
      font: inherit;
    }

    button,
    a {
      -webkit-tap-highlight-color: transparent;
    }

    input,
    select {
      outline: none;
    }

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

    ::selection {
      background: rgba(255, 90, 95, .22);
    }

    .site-container {
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
    }

    .dock-wrap {
      position: fixed;
      top: 22px;
      left: 0;
      right: 0;
      z-index: 80;
      padding: 0 20px;
      pointer-events: none;
    }

    .dock {
      width: min(1120px, 100%);
      min-height: var(--dock-h);
      margin: 0 auto;
      padding: 12px 14px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      background: rgba(255, 253, 249, .9);
      border: 1px solid rgba(16, 16, 18, .1);
      border-radius: 999px;
      box-shadow: var(--shadow-soft);
      backdrop-filter: blur(18px);
      pointer-events: auto;
    }

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

    .brand-mark {
      display: inline-grid;
      place-items: center;
      width: 42px;
      height: 42px;
      border-radius: 999px;
      color: #fff;
      background: linear-gradient(135deg, var(--berry), var(--coral));
      font-size: 13px;
      box-shadow: 0 10px 22px rgba(124, 45, 91, .24);
    }

    .brand-text {
      max-width: 260px;
      overflow: hidden;
      text-overflow: ellipsis;
      font-size: 16px;
      letter-spacing: 0;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      padding: 6px;
      border-radius: 999px;
      background: rgba(16, 16, 18, .04);
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 38px;
      padding: 0 16px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
      transition: color .2s ease, background .2s ease, transform .2s ease;
    }

    .nav-links a:hover,
    .nav-links a:focus-visible {
      color: var(--ink);
      background: rgba(255, 255, 255, .78);
    }

    .nav-links a.active {
      color: #fff;
      background: var(--ink);
    }

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

    .search-mini {
      width: 44px;
      height: 44px;
      display: inline-grid;
      place-items: center;
      border-radius: 999px;
      color: var(--ink);
      background: rgba(16, 16, 18, .05);
      border: 1px solid rgba(16, 16, 18, .08);
      font-size: 22px;
      transition: background .2s ease, transform .2s ease;
    }

    .search-mini:hover {
      background: rgba(124, 45, 91, .1);
      transform: translateY(-1px);
    }

    .btn {
      min-height: 48px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 0 18px;
      border-radius: 14px;
      border: 1px solid transparent;
      font-weight: 900;
      line-height: 1.2;
      cursor: pointer;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn:active {
      transform: translateY(0);
    }

    .btn:focus-visible,
    .faq-question:focus-visible,
    .menu-btn:focus-visible,
    input:focus,
    select:focus {
      outline: 3px solid rgba(255, 90, 95, .22);
      outline-offset: 2px;
    }

    .btn-primary {
      color: #fff;
      background: var(--coral);
      box-shadow: 0 14px 28px rgba(255, 90, 95, .24);
    }

    .btn-primary:hover {
      background: var(--coral-dark);
      box-shadow: 0 18px 36px rgba(255, 90, 95, .32);
    }

    .btn-secondary {
      color: var(--ink);
      background: rgba(255, 255, 255, .78);
      border-color: rgba(16, 16, 18, .12);
    }

    .btn-secondary:hover {
      border-color: rgba(124, 45, 91, .32);
      background: #fff;
    }

    .btn-dark {
      color: #fff;
      background: var(--berry);
      box-shadow: 0 14px 28px rgba(124, 45, 91, .22);
    }

    .btn-dark:hover {
      background: var(--berry-dark);
    }

    .menu-btn {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid rgba(16, 16, 18, .1);
      border-radius: 999px;
      background: rgba(16, 16, 18, .05);
      color: var(--ink);
      font-weight: 900;
      cursor: pointer;
    }

    .page-hero {
      position: relative;
      padding: 142px 0 42px;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(360px, .78fr);
      gap: 28px;
      align-items: stretch;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 34px;
      padding: 0 12px;
      border-radius: 999px;
      background: rgba(124, 45, 91, .1);
      color: var(--berry);
      font-size: 13px;
      font-weight: 900;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--coral);
      box-shadow: 0 0 0 5px rgba(255, 90, 95, .14);
    }

    .hero-title {
      margin: 18px 0 16px;
      max-width: 900px;
      font-size: clamp(32px, 5vw, 54px);
      line-height: 1.12;
      letter-spacing: 0;
      font-weight: 950;
    }

    .hero-copy {
      max-width: 760px;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.85;
    }

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

    .age-note {
      margin-top: 18px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      color: var(--muted);
      font-size: 14px;
    }

    .age-note span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .7);
      border: 1px solid rgba(16, 16, 18, .08);
    }

    .lead-panel {
      background: var(--ink);
      color: #fff;
      border-radius: var(--radius-lg);
      padding: 20px;
      box-shadow: var(--shadow);
      border: 1px solid rgba(255, 255, 255, .1);
    }

    .paper-cover {
      position: relative;
      min-height: 270px;
      padding: 24px;
      border-radius: 10px;
      overflow: hidden;
      background:
        linear-gradient(145deg, rgba(255, 90, 95, .88), rgba(124, 45, 91, .92)),
        repeating-linear-gradient(135deg, rgba(255,255,255,.15) 0, rgba(255,255,255,.15) 1px, transparent 1px, transparent 14px);
    }

    .paper-cover::after {
      content: "";
      position: absolute;
      inset: auto -28px -40px auto;
      width: 170px;
      height: 170px;
      border-radius: 999px;
      background: rgba(245, 180, 81, .72);
      filter: blur(2px);
    }

    .cover-tag {
      position: relative;
      z-index: 1;
      display: inline-flex;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(16, 16, 18, .28);
      font-size: 12px;
      font-weight: 900;
    }

    .cover-title {
      position: relative;
      z-index: 1;
      margin-top: 34px;
      font-size: 28px;
      line-height: 1.25;
      font-weight: 950;
    }

    .cover-meta {
      position: relative;
      z-index: 1;
      margin-top: 18px;
      color: rgba(255, 255, 255, .82);
      font-size: 14px;
    }

    .catalog-list {
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .catalog-list li {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 12px;
      border-radius: 8px;
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .12);
      color: rgba(255, 255, 255, .88);
      font-size: 14px;
    }

    .lead-form {
      margin-top: 16px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 10px;
    }

    .lead-form input {
      min-height: 48px;
      border-radius: 10px;
      border: 1px solid rgba(255, 255, 255, .16);
      background: rgba(255, 255, 255, .1);
      color: #fff;
      padding: 0 14px;
    }

    .lead-form input::placeholder {
      color: rgba(255, 255, 255, .58);
    }

    .form-note {
      margin-top: 10px;
      color: rgba(255, 255, 255, .64);
      font-size: 12px;
      line-height: 1.6;
    }

    .trust-strip {
      margin-top: 26px;
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 10px;
    }

    .trust-item {
      min-height: 74px;
      padding: 14px;
      border-radius: 10px;
      background: rgba(255, 255, 255, .72);
      border: 1px solid rgba(16, 16, 18, .08);
      box-shadow: 0 10px 24px rgba(16, 16, 18, .04);
    }

    .trust-item strong {
      display: block;
      font-size: 14px;
      color: var(--ink);
    }

    .trust-item span {
      display: block;
      margin-top: 3px;
      color: var(--muted);
      font-size: 12px;
    }

    .section {
      padding: 54px 0;
    }

    .section.dark {
      color: #fff;
      background: var(--ink);
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(280px, .45fr);
      gap: 24px;
      align-items: end;
      margin-bottom: 24px;
    }

    .section-kicker {
      color: var(--berry);
      font-size: 13px;
      font-weight: 950;
    }

    .dark .section-kicker {
      color: var(--amber);
    }

    .section-title {
      margin: 8px 0 0;
      font-size: clamp(26px, 3vw, 36px);
      line-height: 1.22;
      font-weight: 950;
      letter-spacing: 0;
    }

    .section-copy {
      color: var(--muted);
      font-size: 15px;
    }

    .dark .section-copy {
      color: rgba(255, 255, 255, .68);
    }

    .filter-board {
      display: grid;
      grid-template-columns: 260px minmax(0, 1fr);
      gap: 18px;
      align-items: start;
    }

    .filter-panel,
    .sticky-card,
    .table-wrap,
    .list-card,
    .level-row,
    .faq-item,
    .join-box {
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .82);
      border: 1px solid rgba(16, 16, 18, .1);
      box-shadow: var(--shadow-soft);
    }

    .filter-panel {
      padding: 16px;
      position: sticky;
      top: 116px;
    }

    .filter-panel h2 {
      margin: 0 0 12px;
      font-size: 18px;
      font-weight: 950;
    }

    .chip-group {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .chip {
      min-height: 36px;
      display: inline-flex;
      align-items: center;
      border-radius: 999px;
      padding: 0 12px;
      border: 1px solid rgba(16, 16, 18, .1);
      background: rgba(255, 255, 255, .76);
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
      cursor: pointer;
      transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
    }

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

    .sort-line {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 14px;
      padding: 12px;
      border-radius: 10px;
      background: rgba(255, 255, 255, .72);
      border: 1px solid rgba(16, 16, 18, .08);
    }

    .sort-line select {
      min-height: 42px;
      padding: 0 36px 0 12px;
      border-radius: 10px;
      border: 1px solid rgba(16, 16, 18, .12);
      background: #fff;
      color: var(--ink);
      font-weight: 800;
    }

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

    .list-card {
      display: grid;
      grid-template-columns: 154px minmax(0, 1fr) auto;
      gap: 16px;
      align-items: center;
      padding: 14px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .list-card:hover {
      transform: translateY(-3px);
      border-color: rgba(255, 90, 95, .36);
      box-shadow: 0 18px 42px rgba(16, 16, 18, .12);
    }

    .abstract-cover {
      position: relative;
      min-height: 118px;
      border-radius: 10px;
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(124, 45, 91, .92), rgba(255, 90, 95, .74)),
        repeating-linear-gradient(45deg, rgba(255,255,255,.15) 0, rgba(255,255,255,.15) 1px, transparent 1px, transparent 11px);
    }

    .abstract-cover::before {
      content: "18+";
      position: absolute;
      top: 12px;
      left: 12px;
      padding: 5px 8px;
      border-radius: 999px;
      color: #fff;
      background: rgba(16, 16, 18, .38);
      font-weight: 950;
      font-size: 12px;
    }

    .abstract-cover::after {
      content: "已加锁";
      position: absolute;
      right: 12px;
      bottom: 12px;
      color: #fff;
      font-size: 12px;
      font-weight: 900;
      padding: 6px 9px;
      border-radius: 999px;
      background: rgba(16, 16, 18, .36);
    }

    .card-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 8px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      min-height: 26px;
      padding: 0 9px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 900;
      color: var(--berry);
      background: rgba(124, 45, 91, .1);
    }

    .badge.coral {
      color: #B8292E;
      background: rgba(255, 90, 95, .12);
    }

    .badge.amber {
      color: #7A4C09;
      background: rgba(245, 180, 81, .22);
    }

    .list-card h3 {
      margin: 0;
      font-size: 19px;
      line-height: 1.35;
      font-weight: 950;
    }

    .list-card p {
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .access-status {
      min-width: 132px;
      display: grid;
      gap: 9px;
      justify-items: end;
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
    }

    .table-wrap {
      overflow: hidden;
      background: #fff;
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      min-width: 760px;
    }

    .compare-table th,
    .compare-table td {
      padding: 18px;
      border-bottom: 1px solid rgba(16, 16, 18, .08);
      text-align: left;
      vertical-align: top;
    }

    .compare-table th {
      background: rgba(16, 16, 18, .04);
      font-weight: 950;
    }

    .compare-table th.recommend {
      color: #fff;
      background: linear-gradient(135deg, var(--berry), var(--coral));
    }

    .compare-table td:first-child {
      color: var(--muted);
      font-weight: 900;
    }

    .check {
      color: var(--berry);
      font-weight: 950;
    }

    .level-stack {
      display: grid;
      gap: 12px;
    }

    .level-row {
      display: grid;
      grid-template-columns: 160px minmax(0, 1fr) auto;
      gap: 16px;
      align-items: center;
      padding: 16px;
    }

    .level-name {
      font-size: 20px;
      font-weight: 950;
    }

    .level-points {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .level-points span {
      padding: 7px 10px;
      border-radius: 999px;
      color: var(--muted);
      background: rgba(16, 16, 18, .05);
      font-size: 13px;
      font-weight: 800;
    }

    .preview-grid {
      display: grid;
      grid-template-columns: 1fr .78fr;
      gap: 18px;
      align-items: start;
    }

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

    .sticky-card {
      position: sticky;
      top: 116px;
      padding: 20px;
    }

    .sticky-card h3 {
      margin: 0;
      font-size: 22px;
      font-weight: 950;
    }

    .sticky-card p {
      margin: 10px 0 16px;
      color: var(--muted);
      font-size: 14px;
    }

    .mini-benefits {
      margin: 0 0 18px;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .mini-benefits li {
      display: flex;
      gap: 9px;
      align-items: flex-start;
      color: var(--ink-soft);
      font-size: 14px;
    }

    .mini-benefits li::before {
      content: "✓";
      display: inline-grid;
      place-items: center;
      flex: 0 0 22px;
      width: 22px;
      height: 22px;
      border-radius: 999px;
      color: #fff;
      background: var(--berry);
      font-size: 12px;
      font-weight: 950;
    }

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

    .faq-item {
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      min-height: 58px;
      padding: 0 18px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      border: 0;
      background: transparent;
      color: var(--ink);
      text-align: left;
      font-weight: 950;
      cursor: pointer;
    }

    .faq-question span:last-child {
      flex: 0 0 auto;
      width: 28px;
      height: 28px;
      display: inline-grid;
      place-items: center;
      border-radius: 999px;
      background: rgba(124, 45, 91, .1);
      color: var(--berry);
      transition: transform .2s ease, background .2s ease, color .2s ease;
    }

    .faq-answer {
      display: none;
      padding: 0 18px 18px;
      color: var(--muted);
      font-size: 15px;
      border-left: 4px solid var(--coral);
      margin-left: 18px;
    }

    .faq-item.open {
      background: #fff;
      border-color: rgba(255, 90, 95, .28);
    }

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

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

    .join-box {
      overflow: hidden;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 350px;
      gap: 0;
      background: #fff;
    }

    .join-main {
      padding: 28px;
    }

    .join-main h2 {
      margin: 0;
      font-size: clamp(26px, 3vw, 38px);
      line-height: 1.2;
      font-weight: 950;
    }

    .join-main p {
      max-width: 700px;
      color: var(--muted);
      margin: 12px 0 22px;
    }

    .plan-select {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      margin-bottom: 20px;
    }

    .plan {
      padding: 14px;
      border-radius: 10px;
      border: 1px solid rgba(16, 16, 18, .1);
      background: rgba(247, 243, 239, .62);
    }

    .plan.featured {
      border-color: rgba(255, 90, 95, .42);
      background: rgba(255, 90, 95, .08);
    }

    .plan strong {
      display: block;
      font-size: 16px;
      font-weight: 950;
    }

    .plan span {
      display: block;
      margin-top: 4px;
      color: var(--muted);
      font-size: 13px;
    }

    .join-side {
      padding: 28px;
      color: #fff;
      background: linear-gradient(145deg, var(--ink), var(--berry));
    }

    .join-side strong {
      display: block;
      font-size: 32px;
      line-height: 1;
      font-weight: 950;
    }

    .join-side span {
      color: rgba(255, 255, 255, .68);
      font-size: 13px;
    }

    .footer {
      padding: 54px 0 30px;
      background: var(--ink);
      color: #fff;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.4fr) .65fr .75fr;
      gap: 34px;
      padding-bottom: 28px;
      border-bottom: 1px solid rgba(255, 255, 255, .12);
    }

    .footer h3,
    .footer h4 {
      margin: 0 0 12px;
      font-weight: 950;
    }

    .footer p,
    .copyright {
      color: rgba(255, 255, 255, .66);
      font-size: 14px;
    }

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

    .footer-links a {
      color: rgba(255, 255, 255, .76);
      font-size: 14px;
      transition: color .2s ease;
    }

    .footer-links a:hover {
      color: #fff;
    }

    .copyright {
      padding-top: 22px;
    }

    .bottom-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      z-index: 90;
      width: min(980px, calc(100% - 28px));
      transform: translateX(-50%);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 12px 14px 12px 18px;
      border-radius: 18px;
      color: #fff;
      background: rgba(16, 16, 18, .92);
      border: 1px solid rgba(255, 255, 255, .12);
      box-shadow: 0 22px 56px rgba(16, 16, 18, .28);
      backdrop-filter: blur(18px);
    }

    .bottom-cta strong {
      display: block;
      font-weight: 950;
    }

    .bottom-cta span {
      display: block;
      color: rgba(255, 255, 255, .66);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .hero-grid,
      .filter-board,
      .preview-grid,
      .join-box {
        grid-template-columns: 1fr;
      }

      .filter-panel,
      .sticky-card {
        position: relative;
        top: auto;
      }

      .trust-strip {
        grid-template-columns: repeat(3, 1fr);
      }

      .list-card {
        grid-template-columns: 140px minmax(0, 1fr);
      }

      .access-status {
        grid-column: 1 / -1;
        min-width: 0;
        justify-items: stretch;
        grid-template-columns: 1fr auto;
        align-items: center;
      }

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

    @media (max-width: 768px) {
      body {
        padding-bottom: 92px;
      }

      .site-container {
        width: min(100% - 28px, 1180px);
      }

      .dock-wrap {
        top: 12px;
        padding: 0 12px;
      }

      .dock {
        min-height: 66px;
        padding: 10px;
        gap: 8px;
      }

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

      .brand-text {
        max-width: 152px;
        font-size: 14px;
      }

      .nav-links {
        position: absolute;
        top: calc(100% + 10px);
        left: 12px;
        right: 12px;
        display: none;
        grid-template-columns: 1fr;
        padding: 10px;
        border-radius: 18px;
        background: rgba(255, 253, 249, .96);
        border: 1px solid rgba(16, 16, 18, .1);
        box-shadow: var(--shadow-soft);
      }

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

      .nav-links a {
        justify-content: flex-start;
        border-radius: 12px;
      }

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

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

      .page-hero {
        padding-top: 104px;
      }

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

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

      .section {
        padding: 42px 0;
      }

      .section-head {
        grid-template-columns: 1fr;
        gap: 10px;
      }

      .lead-form,
      .plan-select {
        grid-template-columns: 1fr;
      }

      .table-wrap {
        overflow-x: auto;
      }

      .level-row {
        grid-template-columns: 1fr;
      }

      .list-card {
        grid-template-columns: 1fr;
      }

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

      .access-status {
        grid-template-columns: 1fr;
        justify-items: stretch;
      }

      .access-status .btn {
        width: 100%;
      }

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

      .bottom-cta {
        bottom: 10px;
        border-radius: 16px;
      }

      .bottom-cta .btn-secondary {
        display: none;
      }
    }

    @media (max-width: 520px) {
      .brand-text {
        max-width: 122px;
      }

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

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

      .paper-cover {
        min-height: 238px;
      }

      .catalog-list li {
        display: grid;
      }

      .bottom-cta {
        padding: 10px;
      }

      .bottom-cta strong {
        font-size: 14px;
      }

      .bottom-cta span {
        display: none;
      }

      .bottom-cta .btn {
        min-height: 46px;
        padding: 0 14px;
        white-space: nowrap;
      }
    }