/* roulang page: index */
:root {
      --ink: #20191d;
      --muted: #74676e;
      --soft: #f7f1ed;
      --paper: #fffaf6;
      --line: #e4d8d2;
      --deep: #321321;
      --main: #6f213d;
      --main-dark: #50152b;
      --accent: #d96143;
      --olive: #8b9457;
      --metal: #b8aaa4;
      --white: #ffffff;
      --radius: 8px;
      --radius-sm: 5px;
      --shadow: 0 16px 42px rgba(50, 19, 33, .10);
      --shadow-sm: 0 8px 24px rgba(50, 19, 33, .08);
      --container: 1220px;
      --trans: .22s ease;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--ink);
      background: var(--paper);
      line-height: 1.72;
      letter-spacing: 0;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: color var(--trans), border-color var(--trans), background var(--trans), transform var(--trans); }
    a:hover { color: var(--main); }
    img { max-width: 100%; display: block; }
    button, input, select, textarea { font: inherit; }
    :focus-visible {
      outline: 3px solid rgba(217, 97, 67, .28);
      outline-offset: 3px;
      border-radius: var(--radius-sm);
    }

    .site-shell { min-height: 100vh; background:
      linear-gradient(180deg, rgba(111, 33, 61, .035), transparent 360px),
      linear-gradient(90deg, rgba(217, 97, 67, .04), transparent 35%);
    }
    .container-pro { width: min(100% - 40px, var(--container)); margin-inline: auto; }
    .section { padding: 84px 0; }
    .section-tight { padding: 60px 0; }
    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--main);
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 14px;
    }
    .section-kicker::before {
      content: "";
      width: 28px;
      height: 2px;
      background: var(--accent);
    }
    .section-title {
      font-size: clamp(28px, 3.2vw, 46px);
      line-height: 1.2;
      margin: 0 0 16px;
      font-weight: 850;
      color: var(--deep);
    }
    .section-desc {
      max-width: 760px;
      color: var(--muted);
      font-size: 16px;
      margin: 0 0 34px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 250, 246, .92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(228, 216, 210, .86);
    }
    .navbar { padding: 18px 0; }
    .navbar-brand {
      font-weight: 900;
      color: var(--deep);
      letter-spacing: 0;
      font-size: 18px;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      max-width: 52vw;
      white-space: normal;
      line-height: 1.25;
    }
    .brand-mark {
      width: 30px;
      height: 30px;
      border: 1px solid var(--main);
      background: linear-gradient(135deg, var(--main), var(--accent));
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--white);
      font-size: 13px;
      border-radius: 6px;
      flex: 0 0 auto;
    }
    .navbar-toggler {
      border: 1px solid var(--line);
      border-radius: 6px;
      padding: 8px 10px;
      box-shadow: none !important;
    }
    .navbar-nav { gap: 28px; align-items: center; }
    .nav-link {
      position: relative;
      color: var(--muted);
      font-size: 15px;
      padding: 8px 0 !important;
      font-weight: 650;
    }
    .nav-link::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 1px;
      width: 0;
      height: 2px;
      background: var(--accent);
      transition: width var(--trans);
    }
    .nav-link:hover::after,
    .nav-link.active::after { width: 100%; }
    .nav-link.active { color: var(--deep); }
    .nav-action {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 1px solid var(--main);
      color: var(--main);
      padding: 10px 16px;
      border-radius: 999px;
      font-weight: 750;
      font-size: 14px;
    }
    .nav-action:hover {
      background: var(--main);
      color: var(--white);
      transform: translateY(-1px);
    }

    .btn-pro {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 20px;
      border-radius: 6px;
      border: 1px solid transparent;
      font-weight: 800;
      line-height: 1.2;
      transition: transform var(--trans), background var(--trans), border-color var(--trans), color var(--trans), box-shadow var(--trans);
      cursor: pointer;
      word-break: keep-all;
    }
    .btn-main {
      background: var(--main);
      color: var(--white);
      box-shadow: 0 12px 26px rgba(111, 33, 61, .18);
    }
    .btn-main:hover { background: var(--main-dark); color: var(--white); transform: translateY(-2px); }
    .btn-ghost {
      background: transparent;
      color: var(--deep);
      border-color: var(--line);
    }
    .btn-ghost:hover { border-color: var(--accent); color: var(--main); background: rgba(217, 97, 67, .06); }
    .btn-icon {
      width: 42px;
      height: 42px;
      border-radius: 6px;
      border: 1px solid var(--line);
      background: var(--white);
      color: var(--main);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: var(--trans);
    }
    .btn-icon:hover { border-color: var(--accent); transform: translateY(-1px); background: #fff4ef; }
    .badge-pro {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 10px;
      border: 1px solid rgba(111, 33, 61, .18);
      border-radius: 999px;
      color: var(--main);
      background: rgba(111, 33, 61, .05);
      font-size: 13px;
      font-weight: 750;
      white-space: normal;
    }

    .hero {
      padding: 52px 0 34px;
      min-height: calc(100vh - 78px);
      display: flex;
      align-items: center;
    }
    .hero-cover {
      position: relative;
      width: 100%;
      border: 1px solid var(--line);
      background:
        linear-gradient(110deg, rgba(50, 19, 33, .92), rgba(111, 33, 61, .86) 42%, rgba(247, 241, 237, .95) 42.2%, rgba(255, 250, 246, .98)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.08) 0 1px, transparent 1px 84px);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .hero-cover::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, transparent 0 37%, rgba(217,97,67,.16) 37% 38%, transparent 38%),
        linear-gradient(180deg, rgba(255,255,255,.08), transparent 42%);
      pointer-events: none;
    }
    .hero-grid {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
      gap: 0;
      min-height: 560px;
    }
    .hero-copy {
      color: var(--white);
      padding: 54px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      min-height: 560px;
    }
    .hero-copy h1 {
      font-size: clamp(36px, 5vw, 72px);
      line-height: 1.05;
      font-weight: 950;
      margin: 18px 0 22px;
      max-width: 720px;
    }
    .hero-copy p {
      max-width: 650px;
      color: rgba(255,255,255,.82);
      font-size: 17px;
      margin-bottom: 28px;
    }
    .hero-question {
      display: inline-flex;
      width: fit-content;
      align-items: center;
      gap: 10px;
      padding: 8px 12px;
      border: 1px solid rgba(255,255,255,.24);
      border-radius: 999px;
      color: rgba(255,255,255,.88);
      font-weight: 750;
      font-size: 13px;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
    .hero-actions .btn-ghost { color: var(--white); border-color: rgba(255,255,255,.35); }
    .hero-actions .btn-ghost:hover { background: rgba(255,255,255,.10); color: var(--white); border-color: rgba(255,255,255,.72); }
    .hero-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 34px;
      max-width: 620px;
    }
    .stat-tile {
      border-top: 1px solid rgba(255,255,255,.26);
      padding-top: 14px;
    }
    .stat-num {
      display: block;
      font-size: 30px;
      line-height: 1;
      font-weight: 950;
      color: #ffd9ca;
    }
    .stat-label { color: rgba(255,255,255,.72); font-size: 13px; margin-top: 6px; }

    .lead-panel {
      padding: 42px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      min-height: 560px;
    }
    .lead-form {
      background: rgba(255,250,246,.94);
      border: 1px solid rgba(228,216,210,.94);
      border-radius: 8px;
      padding: 26px;
      box-shadow: var(--shadow-sm);
    }
    .lead-form h2 {
      font-size: 24px;
      font-weight: 900;
      color: var(--deep);
      margin: 0 0 10px;
    }
    .lead-form p {
      color: var(--muted);
      font-size: 15px;
      margin-bottom: 18px;
    }
    .form-label { font-weight: 750; color: var(--deep); font-size: 13px; }
    .form-control, .form-select {
      min-height: 46px;
      border: 1px solid var(--line);
      border-radius: 6px;
      background-color: var(--white);
      color: var(--ink);
      box-shadow: none !important;
    }
    .form-control:focus, .form-select:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 4px rgba(217, 97, 67, .12) !important;
    }
    .form-hint {
      font-size: 12px;
      color: var(--muted);
      margin-top: 10px;
    }
    .index-strip {
      display: grid;
      grid-template-columns: 84px 1fr;
      align-items: stretch;
      border-top: 1px solid var(--line);
      margin-top: 22px;
    }
    .index-no {
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      font-size: 38px;
      font-weight: 950;
      border-right: 1px solid var(--line);
      min-height: 90px;
    }
    .index-text { padding: 16px 0 16px 18px; color: var(--muted); font-size: 14px; }

    .directory-band {
      margin-top: -22px;
      position: relative;
      z-index: 2;
    }
    .directory-panel {
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: 8px;
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }
    .dir-head {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      align-items: center;
      padding: 22px 24px;
      border-bottom: 1px solid var(--line);
    }
    .dir-head h2 { font-size: 24px; font-weight: 900; margin: 0; color: var(--deep); }
    .dir-grid {
      display: grid;
      grid-template-columns: 1.35fr .65fr;
    }
    .dir-list { padding: 0; margin: 0; list-style: none; }
    .dir-item {
      display: grid;
      grid-template-columns: 72px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 22px 24px;
      border-bottom: 1px solid var(--line);
      transition: background var(--trans);
    }
    .dir-item:hover { background: #fff6f1; }
    .dir-item:last-child { border-bottom: 0; }
    .dir-num {
      color: var(--accent);
      font-size: 28px;
      font-weight: 950;
      line-height: 1;
    }
    .dir-title { font-weight: 850; color: var(--deep); margin-bottom: 4px; }
    .dir-meta { color: var(--muted); font-size: 13px; }
    .dir-side {
      background: #f4ebe6;
      padding: 24px;
      border-left: 1px solid var(--line);
    }
    .filter-chips { display: flex; flex-wrap: wrap; gap: 8px; }
    .chip {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border: 1px solid rgba(111,33,61,.16);
      background: var(--paper);
      color: var(--main);
      border-radius: 999px;
      padding: 7px 10px;
      font-size: 12px;
      font-weight: 750;
    }

    .kpi-row {
      display: grid;
      grid-template-columns: 1fr 1.15fr;
      gap: 34px;
      align-items: stretch;
    }
    .kpi-dark {
      background: var(--deep);
      color: var(--white);
      border-radius: 8px;
      padding: 34px;
      min-height: 360px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      overflow: hidden;
    }
    .kpi-dark::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 5px;
      background: linear-gradient(90deg, var(--accent), var(--olive), var(--main));
    }
    .kpi-dark h2 { font-size: 34px; font-weight: 950; line-height: 1.18; margin: 0 0 16px; }
    .kpi-dark p { color: rgba(255,255,255,.76); margin: 0; }
    .kpi-stack { display: grid; gap: 14px; }
    .kpi-card {
      border: 1px solid var(--line);
      background: var(--white);
      border-radius: 8px;
      padding: 22px;
      display: grid;
      grid-template-columns: 92px 1fr;
      gap: 18px;
      align-items: start;
      transition: transform var(--trans), border-color var(--trans);
    }
    .kpi-card:hover { transform: translateY(-2px); border-color: rgba(217,97,67,.42); }
    .kpi-card strong { color: var(--main); font-size: 34px; line-height: 1; font-weight: 950; }
    .kpi-card h3 { font-size: 18px; font-weight: 900; color: var(--deep); margin: 0 0 6px; }
    .kpi-card p { margin: 0; color: var(--muted); font-size: 14px; }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 360px;
      gap: 28px;
    }
    .news-list {
      border-top: 2px solid var(--deep);
      background: var(--white);
      border-left: 1px solid var(--line);
      border-right: 1px solid var(--line);
    }
    .news-item {
      display: grid;
      grid-template-columns: 92px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 21px 22px;
      border-bottom: 1px solid var(--line);
    }
    .news-item:hover { background: #fff6f1; }
    .news-date { color: var(--accent); font-weight: 950; font-size: 22px; line-height: 1; }
    .news-date span { display: block; color: var(--muted); font-size: 12px; font-weight: 700; margin-top: 7px; }
    .news-title { font-weight: 850; color: var(--deep); margin-bottom: 4px; }
    .news-summary { color: var(--muted); font-size: 14px; margin: 0; }
    .recommend-box {
      border: 1px solid var(--line);
      background: #f4ebe6;
      border-radius: 8px;
      padding: 24px;
      height: fit-content;
    }
    .recommend-box h3 { font-weight: 900; color: var(--deep); margin-bottom: 14px; }
    .mini-index {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      border-bottom: 1px solid rgba(111,33,61,.14);
      padding: 13px 0;
      color: var(--muted);
      font-size: 14px;
    }
    .mini-index strong { color: var(--main); }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }
    .feature-card {
      background: var(--deep);
      color: var(--white);
      border-radius: 8px;
      padding: 28px;
      min-height: 250px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      border: 1px solid rgba(255,255,255,.10);
      transition: transform var(--trans), background var(--trans);
    }
    .feature-card:nth-child(2) { background: var(--main); }
    .feature-card:nth-child(3) { background: #45363b; }
    .feature-card:hover { transform: translateY(-4px); }
    .feature-icon {
      width: 44px;
      height: 44px;
      border-radius: 6px;
      background: rgba(255,255,255,.12);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #ffd9ca;
      font-size: 22px;
      margin-bottom: 22px;
    }
    .feature-card h3 { font-size: 22px; font-weight: 900; margin-bottom: 12px; }
    .feature-card p { color: rgba(255,255,255,.78); margin: 0; font-size: 15px; }

    .media-scroll {
      display: flex;
      gap: 18px;
      overflow-x: auto;
      padding-bottom: 12px;
      scroll-snap-type: x mandatory;
    }
    .media-scroll::-webkit-scrollbar { height: 8px; }
    .media-scroll::-webkit-scrollbar-thumb { background: rgba(111,33,61,.24); border-radius: 999px; }
    .media-card {
      flex: 0 0 330px;
      scroll-snap-align: start;
      border: 1px solid var(--line);
      background: var(--white);
      border-radius: 8px;
      overflow: hidden;
      transition: transform var(--trans), border-color var(--trans);
    }
    .media-card:hover { transform: translateY(-3px); border-color: rgba(217,97,67,.42); }
    .cover-art {
      aspect-ratio: 16 / 9;
      background:
        linear-gradient(135deg, rgba(50,19,33,.96), rgba(111,33,61,.75)),
        repeating-linear-gradient(45deg, rgba(255,255,255,.12) 0 1px, transparent 1px 16px);
      position: relative;
      overflow: hidden;
    }
    .cover-art::after {
      content: attr(data-label);
      position: absolute;
      left: 18px;
      bottom: 16px;
      color: rgba(255,255,255,.9);
      font-weight: 900;
      font-size: 26px;
    }
    .media-body { padding: 18px; }
    .media-body h3 { font-size: 18px; font-weight: 900; margin: 8px 0; color: var(--deep); }
    .media-body p { color: var(--muted); font-size: 14px; margin: 0; }

    .steps-wrap {
      background: #f4ebe6;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0;
      border: 1px solid var(--line);
      background: var(--white);
      border-radius: 8px;
      overflow: hidden;
    }
    .step-card {
      padding: 28px;
      border-right: 1px solid var(--line);
      min-height: 220px;
    }
    .step-card:last-child { border-right: 0; }
    .step-no { color: var(--accent); font-size: 34px; font-weight: 950; line-height: 1; margin-bottom: 18px; }
    .step-card h3 { font-weight: 900; color: var(--deep); margin-bottom: 10px; }
    .step-card p { color: var(--muted); margin: 0; font-size: 15px; }

    .topic-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 18px;
    }
    .topic-card {
      border: 1px solid var(--line);
      background: var(--white);
      border-radius: 8px;
      padding: 24px;
      min-height: 210px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: border-color var(--trans), transform var(--trans);
    }
    .topic-card:hover { border-color: rgba(217,97,67,.48); transform: translateY(-2px); }
    .topic-card.large { min-height: 438px; background: linear-gradient(180deg, var(--deep), #513043); color: var(--white); }
    .topic-card.large .topic-meta, .topic-card.large p { color: rgba(255,255,255,.76); }
    .topic-meta { color: var(--muted); font-size: 13px; font-weight: 750; }
    .topic-card h3 { font-size: 22px; font-weight: 900; margin: 12px 0; color: inherit; }
    .topic-card p { color: var(--muted); margin: 0; font-size: 15px; }
    .topic-card .btn-ghost { width: fit-content; margin-top: 20px; }

    .share-panel {
      border: 1px solid var(--line);
      background: var(--deep);
      color: var(--white);
      border-radius: 8px;
      padding: 30px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: center;
      overflow: hidden;
      position: relative;
    }
    .share-panel::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 5px;
      background: linear-gradient(90deg, var(--accent), var(--olive));
    }
    .share-panel h2 { font-size: 30px; font-weight: 950; margin: 0 0 10px; }
    .share-panel p { color: rgba(255,255,255,.76); margin: 0; max-width: 760px; }
    .share-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; }
    .saved-state {
      color: #ffe1d5;
      font-size: 13px;
      margin-top: 10px;
      min-height: 20px;
    }

    .accordion { --bs-accordion-bg: transparent; --bs-accordion-border-color: var(--line); }
    .accordion-item {
      border: 1px solid var(--line) !important;
      border-radius: 8px !important;
      overflow: hidden;
      margin-bottom: 12px;
      background: var(--white);
    }
    .accordion-button {
      color: var(--deep);
      font-weight: 850;
      background: var(--white);
      box-shadow: none !important;
      padding: 18px 20px;
    }
    .accordion-button:not(.collapsed) {
      color: var(--main);
      background: #fff4ef;
    }
    .accordion-button:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 4px rgba(217,97,67,.12) !important;
    }
    .accordion-body { color: var(--muted); padding: 0 20px 20px; }

    .site-footer {
      background: var(--deep);
      color: rgba(255,255,255,.72);
      padding: 54px 0 26px;
      border-top: 1px solid rgba(255,255,255,.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 28px;
      margin-bottom: 34px;
    }
    .footer-logo {
      color: var(--white);
      font-weight: 950;
      font-size: 22px;
      margin-bottom: 12px;
    }
    .footer-title {
      color: var(--white);
      font-weight: 850;
      margin-bottom: 12px;
    }
    .footer-links { display: grid; gap: 9px; }
    .footer-links a:hover { color: #ffd9ca; }
    .copyright {
      border-top: 1px solid rgba(255,255,255,.12);
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      font-size: 13px;
    }

    @media (max-width: 991.98px) {
      .navbar-collapse {
        margin-top: 16px;
        padding: 14px 0 4px;
        border-top: 1px solid var(--line);
      }
      .navbar-nav { align-items: flex-start; gap: 10px; }
      .hero { min-height: auto; padding-top: 30px; }
      .hero-grid { grid-template-columns: 1fr; min-height: auto; }
      .hero-copy, .lead-panel { min-height: auto; padding: 34px; }
      .hero-cover {
        background: linear-gradient(180deg, var(--deep), var(--main) 52%, var(--paper) 52.2%, var(--paper));
      }
      .dir-grid, .kpi-row, .news-layout, .share-panel { grid-template-columns: 1fr; }
      .dir-side { border-left: 0; border-top: 1px solid var(--line); }
      .feature-grid, .steps-grid { grid-template-columns: 1fr; }
      .step-card { border-right: 0; border-bottom: 1px solid var(--line); }
      .step-card:last-child { border-bottom: 0; }
      .topic-grid { grid-template-columns: 1fr 1fr; }
      .topic-card.large { grid-column: 1 / -1; min-height: 300px; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 767.98px) {
      .container-pro { width: min(100% - 28px, var(--container)); }
      .section { padding: 56px 0; }
      .section-tight { padding: 42px 0; }
      .hero-copy, .lead-panel { padding: 26px 20px; }
      .hero-copy h1 { font-size: 38px; }
      .hero-stats { grid-template-columns: 1fr; }
      .dir-head { flex-direction: column; align-items: flex-start; }
      .dir-item { grid-template-columns: 52px 1fr; }
      .dir-item .btn-icon { grid-column: 2; width: fit-content; padding: 0 14px; }
      .kpi-card { grid-template-columns: 1fr; }
      .news-item { grid-template-columns: 1fr; }
      .feature-grid, .topic-grid, .footer-grid { grid-template-columns: 1fr; }
      .media-card { flex-basis: 286px; }
      .share-actions { justify-content: flex-start; }
      .copyright { display: block; }
      .copyright span { display: block; margin-top: 8px; }
    }

    @media (max-width: 520px) {
      .navbar-brand { max-width: 74vw; font-size: 16px; }
      .section-title { font-size: 29px; }
      .hero-copy h1 { font-size: 34px; }
      .hero-actions .btn-pro, .share-actions .btn-pro { width: 100%; }
      .lead-form { padding: 20px; }
      .index-strip { grid-template-columns: 64px 1fr; }
      .index-no { font-size: 30px; }
      .share-panel { padding: 24px 18px; }
    }

/* roulang page: category1 */
:root {
      --color-primary: #5b183a;
      --color-primary-deep: #351021;
      --color-primary-soft: #f6edf2;
      --color-accent: #c95f46;
      --color-accent-deep: #a94a35;
      --color-olive: #87915a;
      --color-bg: #fbf8f5;
      --color-panel: #fffdfb;
      --color-ink: #20191d;
      --color-muted: #756a70;
      --color-line: #e5d9dc;
      --color-line-strong: #cbb7be;
      --color-dark: #1d171a;
      --color-dark-2: #2b1721;
      --radius-xs: 4px;
      --radius-sm: 6px;
      --radius-md: 8px;
      --shadow-sm: 0 8px 24px rgba(52, 20, 36, .08);
      --shadow-md: 0 18px 42px rgba(52, 20, 36, .12);
      --container: 1220px;
      --section-gap: 86px;
      --fast: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--color-ink);
      background:
        linear-gradient(180deg, #fffdfb 0%, var(--color-bg) 44%, #f5efec 100%);
      line-height: 1.72;
      letter-spacing: 0;
      text-rendering: optimizeLegibility;
    }

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

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

    button,
    input,
    select {
      font: inherit;
    }

    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    select:focus-visible {
      outline: 3px solid rgba(201, 95, 70, .28);
      outline-offset: 3px;
      box-shadow: none !important;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 253, 251, .96);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--color-line);
    }

    .navbar {
      min-height: 78px;
      padding: 0;
    }

    .navbar .container-pro {
      min-height: 78px;
      gap: 26px;
    }

    .navbar-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: var(--color-ink);
      font-weight: 800;
      font-size: 18px;
      white-space: normal;
      line-height: 1.2;
      margin: 0;
      max-width: 430px;
    }

    .brand-mark {
      display: inline-grid;
      place-items: center;
      width: 36px;
      height: 36px;
      flex: 0 0 36px;
      color: #fff;
      background: var(--color-primary);
      border: 1px solid rgba(255, 255, 255, .18);
      border-radius: var(--radius-xs);
      font-weight: 900;
      box-shadow: inset 0 -8px 0 rgba(0, 0, 0, .12);
    }

    .navbar-nav {
      gap: 18px;
      align-items: center;
    }

    .nav-link {
      position: relative;
      color: var(--color-muted);
      font-size: 15px;
      font-weight: 700;
      padding: 28px 4px !important;
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 4px;
      right: 4px;
      bottom: 20px;
      height: 2px;
      background: transparent;
      transition: background-color var(--fast), transform var(--fast);
      transform: scaleX(.45);
      transform-origin: center;
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--color-primary);
    }

    .nav-link.active::after {
      background: var(--color-accent);
      transform: scaleX(1);
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 42px;
      padding: 10px 16px;
      color: var(--color-primary);
      border: 1px solid var(--color-line-strong);
      border-radius: var(--radius-sm);
      font-weight: 800;
      font-size: 14px;
      background: #fffaf7;
    }

    .nav-action:hover {
      color: #fff;
      background: var(--color-primary);
      border-color: var(--color-primary);
      transform: translateY(-1px);
    }

    .navbar-toggler {
      width: 44px;
      height: 44px;
      border: 1px solid var(--color-line-strong);
      border-radius: var(--radius-sm);
      padding: 0;
      color: var(--color-primary);
      box-shadow: none !important;
    }

    .navbar-toggler-icon {
      width: 1.25rem;
      height: 1.25rem;
      background-image: none;
      position: relative;
    }

    .navbar-toggler-icon::before,
    .navbar-toggler-icon::after,
    .navbar-toggler-icon {
      border-top: 2px solid var(--color-primary);
    }

    .navbar-toggler-icon::before,
    .navbar-toggler-icon::after {
      content: "";
      position: absolute;
      left: 0;
      width: 100%;
    }

    .navbar-toggler-icon::before {
      top: -8px;
    }

    .navbar-toggler-icon::after {
      top: 6px;
    }

    .section {
      padding: var(--section-gap) 0;
    }

    .section-tight {
      padding: 58px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--color-primary);
      font-size: 13px;
      font-weight: 900;
      letter-spacing: 0;
      text-transform: none;
    }

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

    .page-hero {
      position: relative;
      color: #fff;
      background:
        linear-gradient(110deg, rgba(29, 18, 24, .92) 0%, rgba(58, 18, 38, .88) 48%, rgba(32, 25, 29, .9) 100%),
        linear-gradient(135deg, #2b1721, #5b183a 52%, #c95f46);
      overflow: hidden;
      border-bottom: 1px solid rgba(255, 255, 255, .12);
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        repeating-linear-gradient(90deg, rgba(255,255,255,.08) 0 1px, transparent 1px 72px),
        linear-gradient(180deg, transparent 0%, rgba(0,0,0,.18) 100%);
      opacity: .32;
      pointer-events: none;
    }

    .page-hero-inner {
      position: relative;
      min-height: 430px;
      padding: 54px 0 42px;
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(320px, .65fr);
      gap: 42px;
      align-items: stretch;
    }

    .hero-copy {
      display: flex;
      flex-direction: column;
      justify-content: center;
      max-width: 780px;
    }

    .hero-number {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 18px;
      color: #f8d7cb;
      font-weight: 900;
      font-size: 14px;
    }

    .hero-number strong {
      display: inline-grid;
      place-items: center;
      width: 54px;
      height: 34px;
      border: 1px solid rgba(255, 255, 255, .24);
      border-radius: var(--radius-xs);
      background: rgba(255, 255, 255, .08);
      font-size: 19px;
      color: #fff;
    }

    h1 {
      margin: 0;
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.12;
      font-weight: 900;
      letter-spacing: 0;
    }

    .hero-lead {
      max-width: 680px;
      margin: 18px 0 0;
      color: rgba(255, 255, 255, .82);
      font-size: 17px;
    }

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

    .btn-pro {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 11px 18px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      font-weight: 900;
      line-height: 1.2;
      transition: transform var(--fast), background-color var(--fast), border-color var(--fast), color var(--fast);
      cursor: pointer;
      user-select: none;
    }

    .btn-primary-pro {
      color: #fff;
      background: var(--color-accent);
      border-color: var(--color-accent);
    }

    .btn-primary-pro:hover {
      color: #fff;
      background: var(--color-accent-deep);
      border-color: var(--color-accent-deep);
      transform: translateY(-1px);
    }

    .btn-outline-pro {
      color: var(--color-primary);
      background: transparent;
      border-color: var(--color-line-strong);
    }

    .page-hero .btn-outline-pro {
      color: #fff;
      border-color: rgba(255,255,255,.34);
      background: rgba(255,255,255,.06);
    }

    .btn-outline-pro:hover {
      color: #fff;
      background: var(--color-primary);
      border-color: var(--color-primary);
      transform: translateY(-1px);
    }

    .hero-panel {
      align-self: center;
      border: 1px solid rgba(255, 255, 255, .18);
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, .08);
      box-shadow: 0 22px 56px rgba(0, 0, 0, .22);
      overflow: hidden;
    }

    .access-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      border-bottom: 1px solid rgba(255,255,255,.16);
    }

    .access-strip span {
      padding: 16px 14px;
      border-right: 1px solid rgba(255,255,255,.16);
      color: rgba(255,255,255,.72);
      font-size: 12px;
      font-weight: 800;
    }

    .access-strip span:last-child {
      border-right: 0;
    }

    .access-strip strong {
      display: block;
      color: #fff;
      font-size: 22px;
      line-height: 1.1;
      margin-bottom: 3px;
    }

    .hero-checklist {
      padding: 22px;
      margin: 0;
      list-style: none;
    }

    .hero-checklist li {
      display: flex;
      gap: 12px;
      padding: 13px 0;
      color: rgba(255,255,255,.84);
      border-bottom: 1px solid rgba(255,255,255,.12);
    }

    .hero-checklist li:last-child {
      border-bottom: 0;
    }

    .hero-checklist i {
      color: #f5c0af;
      flex: 0 0 auto;
    }

    .hero-timer {
      position: relative;
      background: #fffaf7;
      color: var(--color-ink);
      border-top: 1px solid var(--color-line);
      border-bottom: 1px solid var(--color-line);
      margin-top: -1px;
    }

    .timer-row {
      min-height: 76px;
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 24px;
      align-items: center;
    }

    .timer-label {
      font-weight: 900;
      color: var(--color-primary);
    }

    .timer-bar {
      height: 8px;
      background: #eadfe2;
      border-radius: 999px;
      overflow: hidden;
    }

    .timer-bar span {
      display: block;
      width: 64%;
      height: 100%;
      background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    }

    .timer-note {
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 700;
      text-align: right;
    }

    .filter-band {
      background: #fffdfb;
      border-bottom: 1px solid var(--color-line);
    }

    .filter-panel {
      padding: 26px;
      background: var(--color-panel);
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }

    .filter-head {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 22px;
      align-items: end;
    }

    .filter-head h2,
    .section-title h2 {
      margin: 6px 0 0;
      font-size: 30px;
      line-height: 1.22;
      font-weight: 900;
    }

    .filter-head p,
    .section-title p {
      margin: 8px 0 0;
      color: var(--color-muted);
      max-width: 680px;
    }

    .form-label {
      font-size: 13px;
      color: var(--color-muted);
      font-weight: 900;
      margin-bottom: 8px;
    }

    .form-control,
    .form-select {
      min-height: 46px;
      border: 1px solid var(--color-line-strong);
      border-radius: var(--radius-sm);
      color: var(--color-ink);
      background-color: #fffaf7;
      box-shadow: none !important;
    }

    .form-control:focus,
    .form-select:focus {
      border-color: var(--color-accent);
      background-color: #fff;
    }

    .segmented {
      display: inline-flex;
      flex-wrap: wrap;
      gap: 6px;
      padding: 5px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-sm);
      background: #f7f0ed;
    }

    .segmented button {
      min-height: 36px;
      border: 0;
      border-radius: var(--radius-xs);
      padding: 7px 12px;
      color: var(--color-muted);
      background: transparent;
      font-weight: 900;
      transition: background-color var(--fast), color var(--fast);
    }

    .segmented button.active,
    .segmented button:hover {
      color: #fff;
      background: var(--color-primary);
    }

    .content-band {
      background:
        linear-gradient(180deg, var(--color-bg) 0%, #fffdfb 100%);
    }

    .result-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 340px;
      gap: 28px;
      align-items: start;
      margin-top: 32px;
    }

    .feature-result {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 0;
      min-height: 360px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      overflow: hidden;
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .cover-art {
      position: relative;
      min-height: 260px;
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(91,24,58,.92), rgba(201,95,70,.72)),
        repeating-linear-gradient(135deg, rgba(255,255,255,.18) 0 1px, transparent 1px 18px);
    }

    .cover-art::before {
      content: "";
      position: absolute;
      inset: 24px;
      border: 1px solid rgba(255,255,255,.36);
      border-radius: var(--radius-sm);
    }

    .cover-art::after {
      content: "18+";
      position: absolute;
      left: 28px;
      bottom: 24px;
      color: #fff;
      font-size: 58px;
      font-weight: 900;
      line-height: 1;
    }

    .cover-caption {
      position: absolute;
      top: 24px;
      left: 24px;
      right: 24px;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      color: rgba(255,255,255,.82);
      font-weight: 900;
      font-size: 13px;
    }

    .result-body {
      padding: 30px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 26px;
    }

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

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 28px;
      padding: 5px 9px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-xs);
      background: var(--color-primary-soft);
      color: var(--color-primary);
      font-size: 12px;
      font-weight: 900;
      line-height: 1.2;
    }

    .tag.accent {
      color: #743323;
      background: #fff0eb;
      border-color: #f0c8bd;
    }

    .result-body h2,
    .side-list h3 {
      margin: 0;
      font-size: 26px;
      line-height: 1.25;
      font-weight: 900;
    }

    .result-body p {
      margin: 12px 0 0;
      color: var(--color-muted);
    }

    .meta-line {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      color: var(--color-muted);
      font-size: 13px;
      font-weight: 800;
    }

    .meta-line i {
      color: var(--color-accent);
    }

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

    .icon-btn {
      display: inline-grid;
      place-items: center;
      width: 42px;
      height: 42px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--color-line-strong);
      background: #fffaf7;
      color: var(--color-primary);
      transition: background-color var(--fast), color var(--fast), transform var(--fast), border-color var(--fast);
    }

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

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

    .result-mini {
      display: grid;
      grid-template-columns: 72px 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 16px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      background: #fffdfb;
      transition: border-color var(--fast), transform var(--fast), box-shadow var(--fast);
    }

    .result-mini:hover {
      border-color: var(--color-accent);
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
    }

    .mini-index {
      display: grid;
      place-items: center;
      height: 60px;
      color: #fff;
      background: var(--color-primary);
      border-radius: var(--radius-xs);
      font-weight: 900;
      font-size: 20px;
    }

    .result-mini h3 {
      font-size: 17px;
      margin-bottom: 4px;
    }

    .result-mini p {
      margin: 0;
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.5;
    }

    .result-mini i {
      color: var(--color-accent);
      transition: transform var(--fast);
    }

    .result-mini:hover i {
      transform: translateX(3px);
    }

    .index-rail {
      padding: 22px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      background: var(--color-dark);
      color: #fff;
      position: sticky;
      top: 102px;
    }

    .index-rail h2 {
      font-size: 22px;
      margin: 0 0 14px;
      font-weight: 900;
    }

    .rail-stat {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 10px;
      margin: 18px 0;
    }

    .rail-stat div {
      padding: 14px;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: var(--radius-xs);
      background: rgba(255,255,255,.06);
    }

    .rail-stat strong {
      display: block;
      font-size: 25px;
      line-height: 1.1;
      color: #ffd7ca;
    }

    .rail-stat span {
      color: rgba(255,255,255,.68);
      font-size: 12px;
      font-weight: 800;
    }

    .rail-list {
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .rail-list li {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      padding: 13px 0;
      border-top: 1px solid rgba(255,255,255,.12);
      color: rgba(255,255,255,.8);
      font-size: 14px;
    }

    .rail-list b {
      color: #fff;
      font-weight: 900;
    }

    .pagination-wrap {
      margin-top: 34px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding-top: 24px;
      border-top: 1px solid var(--color-line);
    }

    .pagination {
      margin: 0;
      gap: 6px;
      flex-wrap: wrap;
    }

    .page-link {
      min-width: 40px;
      height: 40px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--color-primary);
      border: 1px solid var(--color-line-strong);
      border-radius: var(--radius-xs) !important;
      background: #fffaf7;
      font-weight: 900;
      box-shadow: none !important;
    }

    .page-link:hover,
    .page-item.active .page-link {
      color: #fff;
      background: var(--color-primary);
      border-color: var(--color-primary);
    }

    .page-item.disabled .page-link {
      color: #afa4a8;
      background: #f4eeee;
      border-color: var(--color-line);
    }

    .recommend-band {
      background: #fffdfb;
      border-top: 1px solid var(--color-line);
      border-bottom: 1px solid var(--color-line);
    }

    .recommend-row {
      margin-top: 30px;
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 14px;
    }

    .recommend-item {
      min-height: 150px;
      padding: 22px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      background: #fffaf7;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: border-color var(--fast), transform var(--fast), background-color var(--fast);
    }

    .recommend-item:hover {
      border-color: var(--color-accent);
      background: #fff;
      transform: translateY(-2px);
    }

    .recommend-item .code {
      color: var(--color-accent);
      font-weight: 900;
      font-size: 13px;
    }

    .recommend-item h3 {
      margin: 10px 0 8px;
      font-size: 20px;
      line-height: 1.3;
      font-weight: 900;
    }

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

    .faq-band {
      background: var(--color-bg);
    }

    .accordion {
      margin-top: 30px;
      display: grid;
      gap: 10px;
    }

    .accordion-item {
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md) !important;
      overflow: hidden;
      background: #fffdfb;
    }

    .accordion-button {
      padding: 18px 20px;
      color: var(--color-ink);
      background: #fffdfb;
      font-weight: 900;
      box-shadow: none !important;
    }

    .accordion-button:not(.collapsed) {
      color: var(--color-primary);
      background: var(--color-primary-soft);
    }

    .accordion-button::after {
      filter: sepia(1) saturate(1.8) hue-rotate(300deg);
    }

    .accordion-body {
      padding: 4px 20px 20px;
      color: var(--color-muted);
      line-height: 1.8;
      background: #fffdfb;
    }

    .share-cta {
      background:
        linear-gradient(110deg, var(--color-dark) 0%, var(--color-dark-2) 58%, #4b1833 100%);
      color: #fff;
      overflow: hidden;
    }

    .share-box {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
      padding: 34px;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: var(--radius-md);
      background:
        repeating-linear-gradient(90deg, rgba(255,255,255,.06) 0 1px, transparent 1px 64px),
        rgba(255,255,255,.04);
    }

    .share-box h2 {
      margin: 0 0 8px;
      font-size: 30px;
      font-weight: 900;
    }

    .share-box p {
      margin: 0;
      color: rgba(255,255,255,.74);
      max-width: 760px;
    }

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

    .copy-status {
      margin-top: 12px;
      color: #f5c0af;
      font-size: 13px;
      font-weight: 800;
      min-height: 20px;
    }

    .site-footer {
      color: rgba(255,255,255,.78);
      background: #171215;
      padding: 58px 0 24px;
      border-top: 1px solid rgba(255,255,255,.08);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) .6fr .6fr;
      gap: 44px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255,255,255,.12);
    }

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

    .footer-title {
      color: #fff;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .footer-links {
      display: grid;
      gap: 9px;
    }

    .footer-links a {
      color: rgba(255,255,255,.68);
      font-weight: 700;
    }

    .footer-links a:hover {
      color: #ffd7ca;
      transform: translateX(2px);
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      padding-top: 22px;
      color: rgba(255,255,255,.56);
      font-size: 13px;
      flex-wrap: wrap;
    }

    @media (max-width: 1199.98px) {
      :root {
        --section-gap: 72px;
      }

      .page-hero-inner,
      .result-layout {
        grid-template-columns: 1fr;
      }

      .index-rail {
        position: static;
      }

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

      .recommend-item:first-child {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 991.98px) {
      .navbar .container-pro {
        padding: 16px 0;
        min-height: auto;
      }

      .navbar-collapse {
        margin-top: 16px;
        padding-top: 14px;
        border-top: 1px solid var(--color-line);
      }

      .navbar-nav {
        gap: 0;
        align-items: stretch;
      }

      .nav-link {
        padding: 12px 0 !important;
      }

      .nav-link::after {
        left: 0;
        right: auto;
        bottom: 8px;
        width: 32px;
      }

      .nav-action {
        margin-top: 12px;
        width: 100%;
      }

      .page-hero-inner {
        min-height: auto;
        padding: 42px 0 30px;
        gap: 28px;
      }

      .timer-row {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 18px 0;
      }

      .timer-note {
        text-align: left;
      }

      .filter-head,
      .pagination-wrap,
      .share-box {
        display: grid;
        grid-template-columns: 1fr;
      }

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

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

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

    @media (max-width: 767.98px) {
      :root {
        --section-gap: 54px;
      }

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

      .navbar-brand {
        font-size: 16px;
        max-width: 250px;
      }

      h1 {
        font-size: 36px;
      }

      .hero-lead {
        font-size: 15px;
      }

      .access-strip,
      .rail-stat,
      .recommend-row,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .access-strip span {
        border-right: 0;
        border-bottom: 1px solid rgba(255,255,255,.16);
      }

      .result-mini {
        grid-template-columns: 58px 1fr;
      }

      .result-mini > i {
        display: none;
      }

      .mini-index {
        height: 52px;
        font-size: 18px;
      }

      .filter-panel,
      .result-body,
      .share-box {
        padding: 20px;
      }

      .filter-head h2,
      .section-title h2,
      .share-box h2 {
        font-size: 25px;
      }
    }

    @media (max-width: 520px) {
      .hero-actions,
      .item-actions,
      .share-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .btn-pro {
        width: 100%;
      }

      .icon-btn {
        width: 100%;
      }

      .pagination-wrap {
        align-items: stretch;
      }

      .pagination {
        justify-content: flex-start;
      }

      .copyright {
        display: grid;
      }
    }