/* roulang page: index */
:root {
      --bg: #0b0b0f;
      --bg-2: #141419;
      --panel: #1b1b22;
      --panel-2: #23232b;
      --text: #f6f7fb;
      --muted: #aeb2c3;
      --soft: #767b8f;
      --line: rgba(255,255,255,.12);
      --line-strong: rgba(0,245,255,.36);
      --cyan: #00f5ff;
      --pink: #ff2f86;
      --orange: #ff9d26;
      --violet: #8b5cff;
      --green: #52ff97;
      --danger: #ff4a4a;
      --radius: 8px;
      --radius-sm: 5px;
      --shadow: 0 12px 30px rgba(0,0,0,.28);
      --shadow-hot: 0 0 0 1px rgba(0,245,255,.18), 0 12px 26px rgba(0,245,255,.08);
      --max: 1180px;
      --font: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      line-height: 1.65;
      background:
        radial-gradient(circle at 20% 0%, rgba(255,47,134,.18), transparent 34%),
        radial-gradient(circle at 85% 15%, rgba(0,245,255,.14), transparent 30%),
        linear-gradient(180deg, #08080b 0%, var(--bg) 42%, #101014 100%);
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: .22s ease; }
    a:hover, a:focus { color: var(--cyan); outline: none; }
    img { max-width: 100%; display: block; }
    button, input, select { font-family: inherit; }
    button { cursor: pointer; }
    input, select {
      width: 100%;
      color: var(--text);
      background: rgba(255,255,255,.07);
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      padding: 12px 14px;
      transition: .2s ease;
    }
    input:focus, select:focus, button:focus, a:focus {
      outline: 2px solid rgba(0,245,255,.42);
      outline-offset: 2px;
      border-color: var(--cyan);
    }
    .site-container {
      max-width: var(--max);
      margin: 0 auto;
      padding: 0 20px;
    }
    .section {
      position: relative;
      padding: 74px 0;
    }
    .section-tight { padding: 52px 0; }
    .section-head {
      display: flex;
      justify-content: space-between;
      gap: 22px;
      align-items: end;
      margin-bottom: 26px;
    }
    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--cyan);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 0;
      text-transform: uppercase;
    }
    .section-kicker::before {
      content: "";
      width: 22px;
      height: 3px;
      background: linear-gradient(90deg, var(--pink), var(--cyan));
      border-radius: 9px;
    }
    h1, h2, h3, h4, p { margin-top: 0; }
    h1 {
      font-size: clamp(34px, 6vw, 68px);
      line-height: 1.02;
      margin-bottom: 18px;
      font-weight: 900;
      letter-spacing: 0;
    }
    h2 {
      font-size: clamp(26px, 3vw, 40px);
      line-height: 1.12;
      margin-bottom: 10px;
      font-weight: 900;
      letter-spacing: 0;
    }
    h3 {
      font-size: 19px;
      line-height: 1.28;
      font-weight: 850;
      margin-bottom: 8px;
    }
    p { color: var(--muted); }
    .lead {
      font-size: 18px;
      max-width: 760px;
      color: #d8dbea;
    }

    .portal-header {
      position: sticky;
      top: 0;
      z-index: 50;
      border-bottom: 1px solid rgba(255,255,255,.1);
      background: rgba(10,10,14,.92);
      backdrop-filter: blur(14px);
      box-shadow: 0 10px 22px rgba(0,0,0,.24);
    }
    .brand-row {
      display: grid;
      grid-template-columns: auto minmax(260px, 1fr) auto;
      gap: 18px;
      align-items: center;
      padding: 14px 0 10px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 236px;
    }
    .brand-mark {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      color: #07070a;
      font-weight: 950;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--cyan), var(--pink) 62%, var(--orange));
      box-shadow: 0 0 0 2px rgba(255,255,255,.08), 0 0 20px rgba(0,245,255,.18);
    }
    .brand-text strong {
      display: block;
      color: var(--text);
      font-size: 17px;
      line-height: 1.1;
      font-weight: 900;
    }
    .brand-text span {
      display: block;
      color: var(--muted);
      font-size: 12px;
      margin-top: 3px;
    }
    .top-search {
      display: flex;
      min-width: 0;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: var(--radius);
      background: rgba(255,255,255,.05);
      overflow: hidden;
    }
    .top-search input {
      border: 0;
      background: transparent;
      border-radius: 0;
      min-width: 0;
    }
    .top-search button {
      border: 0;
      padding: 0 18px;
      color: #08080b;
      font-weight: 900;
      background: var(--cyan);
    }
    .top-search button:hover { background: var(--orange); transform: none; }
    .quick-hot {
      display: flex;
      gap: 8px;
      align-items: center;
      justify-content: flex-end;
      white-space: nowrap;
      color: var(--soft);
      font-size: 13px;
    }
    .hot-chip {
      padding: 6px 9px;
      border-radius: 999px;
      color: var(--text);
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
    }
    .hot-chip:hover {
      border-color: var(--pink);
      box-shadow: 0 0 16px rgba(255,47,134,.22);
    }
    .channel-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 0 0 12px;
    }
    .channels {
      display: flex;
      gap: 8px;
      overflow-x: auto;
      scrollbar-width: none;
    }
    .channels::-webkit-scrollbar { display: none; }
    .channel {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 13px;
      border-radius: 999px;
      color: #d9dcea;
      font-weight: 800;
      font-size: 14px;
      border: 1px solid rgba(255,255,255,.11);
      background: rgba(255,255,255,.045);
      white-space: nowrap;
    }
    .channel:hover, .channel.active {
      color: #08080b;
      background: linear-gradient(90deg, var(--cyan), var(--green));
      border-color: transparent;
    }
    .nav-note {
      color: var(--orange);
      font-weight: 850;
      font-size: 13px;
      white-space: nowrap;
    }
    .mobile-menu-button {
      display: none;
      border: 1px solid var(--line);
      color: var(--text);
      background: rgba(255,255,255,.06);
      border-radius: var(--radius-sm);
      padding: 9px 12px;
      font-weight: 900;
    }

    .hero {
      min-height: 620px;
      display: flex;
      align-items: stretch;
      padding: 42px 0 34px;
      background:
        linear-gradient(90deg, rgba(8,8,11,.96) 0%, rgba(8,8,11,.74) 44%, rgba(8,8,11,.50) 100%),
        url("https://images.unsplash.com/photo-1518709268805-4e9042af2176?auto=format&fit=crop&w=1800&q=80") center/cover no-repeat;
      border-bottom: 1px solid rgba(255,255,255,.1);
    }
    .hero-inner {
      width: 100%;
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(320px, .75fr);
      gap: 30px;
      align-items: center;
    }
    .hero-copy {
      padding: 34px 0;
    }
    .burst {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      margin-bottom: 16px;
      border: 1px solid rgba(255,157,38,.46);
      border-radius: var(--radius-sm);
      color: #111;
      background: linear-gradient(90deg, var(--orange), #ffe26a);
      font-weight: 950;
      box-shadow: 0 0 18px rgba(255,157,38,.22);
      transform: skewX(-6deg);
    }
    .burst span { transform: skewX(6deg); }
    .hero-desc {
      width: min(740px, 100%);
      margin-bottom: 24px;
      font-size: 18px;
      color: #e7e9f4;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      margin-bottom: 22px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      font-weight: 900;
      line-height: 1.15;
      transition: .22s ease;
    }
    .btn-primary {
      color: #08080b;
      background: linear-gradient(90deg, var(--cyan), var(--green));
      box-shadow: 0 0 0 1px rgba(255,255,255,.12), 0 10px 24px rgba(0,245,255,.22);
    }
    .btn-primary:hover {
      color: #08080b;
      transform: translateY(-2px);
      box-shadow: 0 0 0 1px rgba(255,255,255,.18), 0 14px 30px rgba(82,255,151,.22);
    }
    .btn-secondary {
      color: var(--text);
      border-color: rgba(255,255,255,.22);
      background: rgba(255,255,255,.06);
    }
    .btn-secondary:hover {
      color: var(--text);
      border-color: var(--pink);
      transform: translateY(-2px);
      box-shadow: 0 0 18px rgba(255,47,134,.18);
    }
    .btn-hot {
      color: #08080b;
      background: linear-gradient(90deg, var(--pink), var(--orange));
      box-shadow: 0 12px 26px rgba(255,47,134,.18);
    }
    .hero-points {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .point {
      padding: 8px 10px;
      border-radius: var(--radius-sm);
      color: #f8f9ff;
      font-size: 13px;
      font-weight: 850;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(0,0,0,.28);
    }
    .poster-stage {
      position: relative;
      min-height: 430px;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: var(--radius);
      background:
        linear-gradient(180deg, rgba(255,47,134,.16), rgba(0,245,255,.08)),
        rgba(16,16,22,.72);
      box-shadow: var(--shadow), inset 0 0 0 1px rgba(0,245,255,.16);
      overflow: hidden;
    }
    .poster-stage::before {
      content: "";
      position: absolute;
      inset: 18px;
      border: 1px solid rgba(0,245,255,.22);
      border-radius: var(--radius-sm);
      pointer-events: none;
    }
    .poster-top {
      position: absolute;
      top: 22px;
      left: 22px;
      right: 22px;
      display: flex;
      justify-content: space-between;
      gap: 10px;
      z-index: 2;
    }
    .countdown {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 7px;
    }
    .timebox {
      min-width: 54px;
      padding: 7px 8px;
      text-align: center;
      border-radius: var(--radius-sm);
      background: #050507;
      border: 1px solid rgba(255,157,38,.38);
      color: var(--orange);
      font-weight: 950;
      line-height: 1.05;
    }
    .timebox small {
      display: block;
      margin-top: 4px;
      color: var(--muted);
      font-size: 10px;
      font-weight: 700;
    }
    .level-badge {
      align-self: start;
      padding: 8px 10px;
      border-radius: var(--radius-sm);
      color: #08080b;
      font-weight: 950;
      background: var(--pink);
      box-shadow: 0 0 20px rgba(255,47,134,.28);
    }
    .entry-matrix {
      position: absolute;
      left: 22px;
      right: 22px;
      bottom: 22px;
      display: grid;
      gap: 10px;
    }
    .entry-row {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 10px;
      align-items: center;
      padding: 13px;
      border-radius: var(--radius-sm);
      background: rgba(0,0,0,.45);
      border: 1px solid rgba(255,255,255,.12);
    }
    .entry-row:hover {
      border-color: rgba(0,245,255,.5);
      transform: translateX(3px);
      box-shadow: var(--shadow-hot);
    }
    .entry-icon {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      color: #050507;
      font-weight: 950;
      border-radius: var(--radius-sm);
      background: var(--cyan);
    }
    .entry-title { font-weight: 900; color: var(--text); }
    .entry-desc { color: var(--muted); font-size: 13px; }
    .entry-meta {
      color: var(--green);
      font-weight: 950;
      font-size: 13px;
      white-space: nowrap;
    }

    .promo-strip {
      margin-top: -22px;
      position: relative;
      z-index: 4;
    }
    .question-bar {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 18px;
      border-radius: var(--radius);
      border: 1px solid rgba(255,157,38,.42);
      background: linear-gradient(90deg, rgba(255,157,38,.18), rgba(255,47,134,.14), rgba(0,245,255,.1));
      box-shadow: var(--shadow);
    }
    .warn-tag {
      color: #101014;
      background: var(--orange);
      font-weight: 950;
      padding: 7px 10px;
      border-radius: var(--radius-sm);
      white-space: nowrap;
    }
    .question-bar strong {
      display: block;
      font-size: 18px;
      line-height: 1.25;
    }
    .question-bar span { color: var(--muted); font-size: 14px; }
    .mini-timer {
      color: var(--pink);
      font-weight: 950;
      white-space: nowrap;
    }

    .play-grid, .reward-grid, .solution-grid {
      display: grid;
      gap: 16px;
    }
    .play-grid { grid-template-columns: 1.1fr .9fr .9fr; }
    .reward-grid { grid-template-columns: repeat(4, 1fr); }
    .solution-grid { grid-template-columns: repeat(3, 1fr); }
    .hud-card {
      position: relative;
      padding: 20px;
      min-height: 170px;
      border-radius: var(--radius);
      border: 1px solid rgba(255,255,255,.12);
      background: linear-gradient(180deg, rgba(255,255,255,.065), rgba(255,255,255,.035));
      box-shadow: var(--shadow);
      overflow: hidden;
      transition: .22s ease;
    }
    .hud-card::after {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      width: 4px;
      height: 100%;
      background: linear-gradient(180deg, var(--cyan), var(--pink));
    }
    .hud-card:hover {
      transform: translateY(-4px);
      border-color: rgba(0,245,255,.42);
      box-shadow: var(--shadow-hot);
    }
    .hud-card.featured {
      min-height: 230px;
      background: linear-gradient(135deg, rgba(0,245,255,.14), rgba(255,47,134,.1));
    }
    .card-num {
      display: inline-grid;
      place-items: center;
      width: 34px;
      height: 34px;
      margin-bottom: 12px;
      border-radius: var(--radius-sm);
      color: #060609;
      background: var(--cyan);
      font-weight: 950;
    }
    .hot-badge, .corner-badge {
      display: inline-flex;
      align-items: center;
      padding: 5px 8px;
      border-radius: 999px;
      color: #08080b;
      background: var(--orange);
      font-size: 12px;
      font-weight: 950;
    }
    .corner-badge {
      position: absolute;
      top: 14px;
      right: 14px;
      background: var(--pink);
      color: #fff;
    }
    .progress-wrap {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 18px;
      align-items: stretch;
    }
    .progress-panel {
      padding: 22px;
      border-radius: var(--radius);
      background: var(--panel);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }
    .progress-item {
      margin-bottom: 16px;
    }
    .progress-label {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 8px;
      color: var(--text);
      font-weight: 850;
    }
    .progress {
      height: 10px;
      border-radius: 99px;
      background: rgba(255,255,255,.08);
      overflow: hidden;
      margin: 0;
    }
    .progress-meter {
      height: 100%;
      border-radius: 99px;
      background: linear-gradient(90deg, var(--cyan), var(--pink), var(--orange));
    }
    .rank-list {
      display: grid;
      gap: 10px;
    }
    .rank-item {
      display: grid;
      grid-template-columns: 36px 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 13px;
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.045);
      border: 1px solid rgba(255,255,255,.1);
    }
    .rank-no {
      width: 30px;
      height: 30px;
      display: grid;
      place-items: center;
      color: #07070a;
      background: var(--orange);
      border-radius: var(--radius-sm);
      font-weight: 950;
    }
    .rank-item strong { color: var(--text); display: block; }
    .rank-item small { color: var(--muted); }
    .rank-score {
      color: var(--green);
      font-weight: 950;
      white-space: nowrap;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }
    .stat-card {
      padding: 22px 18px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.025));
    }
    .stat-card strong {
      display: block;
      color: var(--cyan);
      font-size: 34px;
      line-height: 1;
      font-weight: 950;
      margin-bottom: 8px;
    }
    .stat-card span {
      display: block;
      color: var(--text);
      font-weight: 850;
      margin-bottom: 6px;
    }
    .stat-card p {
      margin: 0;
      font-size: 13px;
      color: var(--muted);
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
      gap: 18px;
    }
    .news-list {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.04);
      overflow: hidden;
    }
    .news-item {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 16px 18px;
      border-bottom: 1px solid rgba(255,255,255,.09);
    }
    .news-item:last-child { border-bottom: 0; }
    .news-item:hover {
      background: rgba(0,245,255,.06);
    }
    .news-tag {
      color: #08080b;
      background: var(--cyan);
      font-size: 12px;
      font-weight: 950;
      padding: 5px 8px;
      border-radius: 999px;
      white-space: nowrap;
    }
    .news-title {
      color: var(--text);
      font-weight: 850;
      line-height: 1.35;
    }
    .news-time {
      color: var(--soft);
      font-size: 13px;
      white-space: nowrap;
    }
    .guide-panel {
      padding: 20px;
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(255,47,134,.1), rgba(0,245,255,.07));
      border: 1px solid rgba(255,255,255,.13);
    }
    .guide-panel ul {
      list-style: none;
      padding: 0;
      margin: 12px 0 0;
      display: grid;
      gap: 10px;
    }
    .guide-panel li {
      padding-left: 22px;
      position: relative;
      color: var(--muted);
    }
    .guide-panel li::before {
      content: ">";
      position: absolute;
      left: 0;
      color: var(--orange);
      font-weight: 950;
    }

    .cta-band {
      padding: 28px;
      border-radius: var(--radius);
      border: 1px solid rgba(0,245,255,.32);
      background:
        linear-gradient(90deg, rgba(0,245,255,.16), rgba(255,47,134,.14)),
        var(--panel);
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 20px;
      align-items: center;
      box-shadow: var(--shadow-hot);
    }
    .modal-backdrop {
      position: fixed;
      inset: 0;
      display: none;
      place-items: center;
      padding: 20px;
      background: rgba(0,0,0,.72);
      z-index: 100;
    }
    .modal-backdrop.is-open { display: grid; }
    .lead-modal {
      width: min(560px, 100%);
      border-radius: var(--radius);
      border: 1px solid rgba(0,245,255,.34);
      background: #111117;
      box-shadow: 0 24px 70px rgba(0,0,0,.46);
      overflow: hidden;
    }
    .modal-head {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      align-items: center;
      padding: 18px 20px;
      border-bottom: 1px solid var(--line);
      background: linear-gradient(90deg, rgba(0,245,255,.12), rgba(255,47,134,.1));
    }
    .modal-head strong { font-size: 20px; }
    .modal-close {
      width: 36px;
      height: 36px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      color: var(--text);
      background: rgba(255,255,255,.06);
      font-size: 22px;
      line-height: 1;
    }
    .modal-body { padding: 20px; }
    .form-grid {
      display: grid;
      gap: 14px;
    }
    .form-note {
      padding: 12px;
      border-radius: var(--radius-sm);
      color: var(--muted);
      font-size: 13px;
      border: 1px solid rgba(255,255,255,.1);
      background: rgba(255,255,255,.04);
    }

    .faq-wrap {
      max-width: 900px;
      margin: 0 auto;
    }
    .accordion {
      background: transparent;
    }
    .accordion-item {
      margin-bottom: 10px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.04);
      overflow: hidden;
    }
    .accordion-title {
      display: block;
      border: 0;
      color: var(--text);
      font-weight: 900;
      font-size: 16px;
      padding: 18px 48px 18px 18px;
      background: transparent;
    }
    .accordion-title:hover, .accordion-title:focus {
      color: var(--cyan);
      background: rgba(0,245,255,.06);
    }
    .accordion-content {
      border: 0;
      color: var(--muted);
      background: rgba(0,0,0,.16);
      padding: 0 18px 18px;
    }
    .accordion-content p { margin: 0; }

    .privacy-panel {
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 18px;
      padding: 22px;
      border-radius: var(--radius);
      border: 1px solid rgba(82,255,151,.26);
      background: rgba(82,255,151,.06);
    }
    .shield {
      width: 48px;
      height: 48px;
      display: grid;
      place-items: center;
      color: #07070a;
      background: var(--green);
      border-radius: var(--radius-sm);
      font-weight: 950;
    }

    .site-footer {
      padding: 46px 0 22px;
      background: #07070a;
      border-top: 1px solid rgba(255,255,255,.1);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 28px;
      margin-bottom: 24px;
    }
    .footer-title {
      color: var(--text);
      font-weight: 950;
      margin-bottom: 10px;
    }
    .footer-links {
      display: grid;
      gap: 8px;
    }
    .footer-links a {
      color: var(--muted);
      font-size: 14px;
    }
    .footer-links a:hover { color: var(--cyan); }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      flex-wrap: wrap;
      padding-top: 18px;
      border-top: 1px solid rgba(255,255,255,.09);
      color: var(--soft);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .brand-row { grid-template-columns: auto 1fr; }
      .quick-hot { grid-column: 1 / -1; justify-content: flex-start; overflow-x: auto; }
      .hero-inner { grid-template-columns: 1fr; }
      .poster-stage { min-height: 380px; }
      .play-grid, .solution-grid { grid-template-columns: repeat(2, 1fr); }
      .reward-grid, .stats-grid { grid-template-columns: repeat(2, 1fr); }
      .progress-wrap, .news-layout { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      .site-container { padding: 0 16px; }
      .section { padding: 54px 0; }
      .brand-row { grid-template-columns: 1fr auto; }
      .brand { min-width: 0; }
      .brand-text strong { font-size: 15px; }
      .top-search {
        grid-column: 1 / -1;
        order: 3;
      }
      .mobile-menu-button { display: inline-flex; }
      .channel-row {
        align-items: stretch;
        flex-direction: column;
      }
      .channels {
        padding-bottom: 2px;
      }
      .nav-note { display: none; }
      .hero { min-height: auto; padding-top: 24px; }
      .hero-copy { padding: 22px 0 6px; }
      .hero-actions .btn { flex: 1 1 100%; }
      .question-bar { grid-template-columns: 1fr; }
      .play-grid, .reward-grid, .solution-grid, .stats-grid, .footer-grid { grid-template-columns: 1fr; }
      .section-head { display: block; }
      .cta-band { grid-template-columns: 1fr; }
      .news-item { grid-template-columns: 1fr; }
      .news-time { white-space: normal; }
      .privacy-panel { grid-template-columns: 1fr; }
    }
    @media (max-width: 520px) {
      h1 { font-size: 34px; }
      .hero-desc { font-size: 16px; }
      .poster-stage { min-height: 430px; }
      .poster-top {
        position: relative;
        left: auto;
        right: auto;
        top: auto;
        padding: 18px;
      }
      .entry-matrix {
        position: relative;
        left: auto;
        right: auto;
        bottom: auto;
        padding: 0 18px 18px;
      }
      .entry-row { grid-template-columns: auto 1fr; }
      .entry-meta { grid-column: 2; }
      .countdown { grid-template-columns: repeat(3, minmax(0, 1fr)); }
      .timebox { min-width: 0; }
      .footer-bottom { display: block; }
    }

/* roulang page: category1 */
:root {
      --bg: #0f0f13;
      --bg-2: #17171e;
      --panel: #1d1d26;
      --panel-2: #242431;
      --text: #f5f7fb;
      --muted: #a8adbb;
      --soft: #d9dcef;
      --line: rgba(255,255,255,.12);
      --line-strong: rgba(0,229,255,.42);
      --cyan: #00e5ff;
      --purple: #a855f7;
      --pink: #ff2d7a;
      --orange: #ff8a1c;
      --green: #59ff9c;
      --radius: 8px;
      --radius-sm: 5px;
      --shadow: 0 18px 45px rgba(0,0,0,.32);
      --shadow-tight: 0 10px 24px rgba(0,0,0,.28);
      --container: 1180px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 18% 8%, rgba(168,85,247,.18), transparent 28%),
        radial-gradient(circle at 86% 12%, rgba(0,229,255,.12), transparent 30%),
        linear-gradient(180deg, #0f0f13 0%, #15151c 42%, #101014 100%);
      line-height: 1.65;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease; }
    img { max-width: 100%; display: block; }
    button, input, select { font: inherit; }
    button { cursor: pointer; border: 0; }
    :focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

    .site-container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
    .section { padding: 64px 0; position: relative; }
    .section-tight { padding: 42px 0; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--cyan);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 0;
      text-transform: none;
      margin-bottom: 12px;
    }
    .eyebrow::before { content: ""; width: 26px; height: 3px; background: linear-gradient(90deg, var(--cyan), var(--pink)); border-radius: 8px; }
    h1, h2, h3, h4, p { margin-top: 0; }
    h1 { font-size: clamp(34px, 5vw, 58px); line-height: 1.05; font-weight: 950; letter-spacing: 0; margin-bottom: 18px; }
    h2 { font-size: clamp(26px, 3vw, 38px); line-height: 1.16; font-weight: 930; letter-spacing: 0; margin-bottom: 14px; }
    h3 { font-size: 19px; line-height: 1.3; font-weight: 860; letter-spacing: 0; margin-bottom: 10px; }
    p { color: var(--muted); }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(15,15,19,.92);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 10px 24px rgba(0,0,0,.28);
    }
    .topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 14px 0 10px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      min-width: 0;
    }
    .brand-mark {
      width: 48px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--pink), var(--purple) 55%, var(--cyan));
      color: #fff;
      font-weight: 950;
      box-shadow: 0 0 0 1px rgba(255,255,255,.16), 0 0 22px rgba(255,45,122,.36);
      flex: 0 0 auto;
    }
    .brand-text { display: grid; line-height: 1.15; min-width: 0; }
    .brand-text strong { font-size: 17px; font-weight: 900; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .brand-text span { color: var(--muted); font-size: 12px; margin-top: 3px; }
    .search-wrap {
      flex: 1 1 420px;
      max-width: 520px;
      position: relative;
    }
    .search-wrap i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--cyan); font-size: 14px; }
    .search-input {
      width: 100%;
      height: 42px;
      padding: 0 44px 0 38px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      color: var(--text);
      background: rgba(255,255,255,.055);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.02);
    }
    .search-input::placeholder { color: #858b9d; }
    .search-input:focus { border-color: var(--cyan); background: rgba(0,229,255,.075); }
    .trend-strip {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--muted);
      font-size: 13px;
      white-space: nowrap;
    }
    .trend-pill {
      color: #141416;
      background: var(--orange);
      border-radius: 999px;
      padding: 5px 9px;
      font-weight: 850;
    }
    .nav-row { border-top: 1px solid rgba(255,255,255,.07); }
    .channels {
      display: flex;
      gap: 10px;
      align-items: center;
      overflow-x: auto;
      padding: 10px 0 12px;
      scrollbar-width: none;
    }
    .channels::-webkit-scrollbar { display: none; }
    .channel {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 7px 14px;
      border-radius: 999px;
      color: var(--soft);
      background: rgba(255,255,255,.055);
      border: 1px solid var(--line);
      font-weight: 800;
      font-size: 14px;
      white-space: nowrap;
    }
    .channel:hover { border-color: var(--cyan); color: #fff; transform: translateY(-1px); box-shadow: 0 0 18px rgba(0,229,255,.18); }
    .channel.active { color: #101014; background: linear-gradient(90deg, var(--cyan), var(--green)); border-color: transparent; box-shadow: 0 0 20px rgba(0,229,255,.22); }

    .category-hero {
      padding: 56px 0 34px;
      border-bottom: 1px solid var(--line);
      background:
        linear-gradient(135deg, rgba(255,45,122,.10), transparent 32%),
        linear-gradient(90deg, rgba(0,229,255,.08), transparent 55%);
    }
    .hero-panel {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
      gap: 26px;
      align-items: stretch;
    }
    .title-panel, .rank-panel {
      position: relative;
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(36,36,49,.88), rgba(24,24,32,.92));
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 28px;
      overflow: hidden;
    }
    .title-panel::after {
      content: "限时热查";
      position: absolute;
      top: 18px;
      right: -34px;
      width: 145px;
      text-align: center;
      transform: rotate(28deg);
      background: var(--orange);
      color: #17130e;
      font-size: 12px;
      font-weight: 950;
      padding: 6px 0;
      box-shadow: 0 5px 18px rgba(255,138,28,.25);
    }
    .hero-copy { max-width: 680px; color: #c5cad9; font-size: 17px; margin-bottom: 22px; }
    .quick-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 22px 0 0; }
    .btn-main, .btn-ghost, .entry-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 44px;
      padding: 11px 18px;
      border-radius: var(--radius-sm);
      font-weight: 900;
      line-height: 1;
    }
    .btn-main { color: #111116; background: linear-gradient(90deg, var(--cyan), var(--green)); box-shadow: 0 10px 22px rgba(0,229,255,.22); }
    .btn-main:hover { color: #111116; transform: translateY(-2px); box-shadow: 0 14px 28px rgba(0,229,255,.3); }
    .btn-ghost { color: #fff; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.06); }
    .btn-ghost:hover { color: #fff; border-color: var(--pink); background: rgba(255,45,122,.13); transform: translateY(-2px); }
    .micro-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 24px; }
    .micro-card { border: 1px solid var(--line); border-radius: var(--radius-sm); background: rgba(255,255,255,.045); padding: 12px; }
    .micro-card strong { display: block; font-size: 18px; color: var(--cyan); line-height: 1.1; }
    .micro-card span { color: var(--muted); font-size: 12px; }
    .rank-head { display: flex; justify-content: space-between; gap: 14px; align-items: center; margin-bottom: 16px; }
    .countdown { display: grid; grid-template-columns: repeat(3, 44px); gap: 8px; }
    .time-box { text-align: center; background: #111116; border: 1px solid rgba(255,138,28,.5); border-radius: var(--radius-sm); padding: 6px 3px; }
    .time-box strong { display: block; color: var(--orange); font-size: 16px; line-height: 1; }
    .time-box span { color: var(--muted); font-size: 10px; }
    .rank-list { display: grid; gap: 11px; }
    .rank-item {
      display: grid;
      grid-template-columns: 34px 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 12px;
      border: 1px solid rgba(255,255,255,.1);
      background: rgba(255,255,255,.045);
      border-radius: var(--radius-sm);
    }
    .rank-no { width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center; border-radius: 6px; background: linear-gradient(135deg, var(--purple), var(--pink)); font-weight: 950; }
    .rank-item strong { display: block; font-size: 15px; }
    .rank-item span { display: block; color: var(--muted); font-size: 12px; }
    .rank-hot { color: var(--green); font-weight: 900; font-size: 13px; }

    .filter-shell {
      margin-top: -16px;
      position: relative;
      z-index: 3;
      border: 1px solid var(--line-strong);
      background: rgba(21,21,28,.94);
      border-radius: var(--radius);
      box-shadow: var(--shadow-tight);
      padding: 18px;
    }
    .filter-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
    .filter-title strong { font-size: 16px; }
    .burst { display: inline-flex; align-items: center; gap: 6px; padding: 7px 10px; color: #1b130b; background: var(--orange); border-radius: var(--radius-sm); font-weight: 950; font-size: 12px; transform: rotate(-1deg); }
    .filter-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .filter-group { min-width: 0; }
    .filter-label { color: var(--muted); font-size: 12px; font-weight: 800; margin-bottom: 7px; }
    .pill-row { display: flex; flex-wrap: wrap; gap: 8px; }
    .filter-pill {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 6px 10px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.055);
      color: var(--soft);
      font-size: 13px;
      font-weight: 800;
    }
    .filter-pill.active, .filter-pill:hover { color: #111116; background: var(--cyan); border-color: var(--cyan); }

    .layout-main { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 24px; align-items: start; }
    .card-stream { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
    .entry-card {
      position: relative;
      min-height: 230px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(36,36,49,.86), rgba(25,25,34,.92));
      box-shadow: var(--shadow-tight);
      overflow: hidden;
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }
    .entry-card:hover { transform: translateY(-4px); border-color: rgba(0,229,255,.55); box-shadow: 0 18px 34px rgba(0,229,255,.12); }
    .entry-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: linear-gradient(90deg, var(--cyan), var(--pink), var(--orange)); opacity: .92; }
    .tag-line { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 14px; }
    .badge { display: inline-flex; align-items: center; gap: 5px; border-radius: 999px; padding: 5px 9px; font-size: 12px; font-weight: 900; background: rgba(0,229,255,.12); color: var(--cyan); border: 1px solid rgba(0,229,255,.28); }
    .badge.hot { background: rgba(255,45,122,.14); color: #ff75a7; border-color: rgba(255,45,122,.3); }
    .badge.update { background: rgba(89,255,156,.12); color: var(--green); border-color: rgba(89,255,156,.24); }
    .entry-card h3 { min-height: 50px; margin-bottom: 9px; }
    .entry-card p { font-size: 14px; margin-bottom: 18px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
    .progress-line { height: 7px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; margin-bottom: 16px; }
    .progress-line span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--cyan), var(--pink)); }
    .entry-meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
    .entry-meta small { color: var(--muted); font-weight: 700; }
    .entry-btn { min-height: 36px; padding: 9px 12px; background: rgba(255,255,255,.08); color: #fff; border: 1px solid rgba(255,255,255,.14); font-size: 13px; }
    .entry-btn:hover { color: #111116; background: var(--cyan); border-color: var(--cyan); }

    .side-panel { display: grid; gap: 16px; position: sticky; top: 124px; }
    .info-box {
      border: 1px solid var(--line);
      background: rgba(29,29,38,.88);
      border-radius: var(--radius);
      padding: 18px;
      box-shadow: var(--shadow-tight);
    }
    .info-box h3 { display: flex; align-items: center; gap: 9px; }
    .side-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
    .side-tag { padding: 6px 9px; border-radius: 999px; background: rgba(255,255,255,.07); color: var(--soft); border: 1px solid var(--line); font-size: 12px; font-weight: 800; }
    .signal-list { display: grid; gap: 10px; margin: 12px 0 0; padding: 0; list-style: none; }
    .signal-list li { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 14px; border-bottom: 1px solid rgba(255,255,255,.08); padding-bottom: 9px; }
    .signal-list li:last-child { border-bottom: 0; padding-bottom: 0; }
    .signal-list strong { color: var(--text); }

    .matrix-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: 22px; align-items: stretch; }
    .recommend-box {
      border: 1px solid rgba(255,138,28,.34);
      background: linear-gradient(160deg, rgba(255,138,28,.12), rgba(36,36,49,.9));
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow-tight);
    }
    .recommend-box .stamp { display: inline-flex; padding: 7px 10px; background: var(--orange); color: #17130e; border-radius: var(--radius-sm); font-weight: 950; margin-bottom: 14px; }
    .tag-matrix { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
    .matrix-item {
      min-height: 96px;
      padding: 15px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(255,255,255,.045);
    }
    .matrix-item:hover { border-color: var(--purple); background: rgba(168,85,247,.12); transform: translateY(-2px); }
    .matrix-item strong { display: block; margin-bottom: 5px; }
    .matrix-item span { color: var(--muted); font-size: 13px; }

    .pager { display: flex; justify-content: center; align-items: center; gap: 9px; margin-top: 26px; flex-wrap: wrap; }
    .page-link { min-width: 38px; min-height: 38px; display: inline-flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); border: 1px solid var(--line); background: rgba(255,255,255,.055); color: var(--soft); font-weight: 850; padding: 8px 12px; }
    .page-link.active, .page-link:hover { background: var(--pink); border-color: var(--pink); color: #fff; box-shadow: 0 0 18px rgba(255,45,122,.2); }

    .cta-band {
      border: 1px solid var(--line-strong);
      background:
        linear-gradient(135deg, rgba(0,229,255,.14), transparent 38%),
        linear-gradient(90deg, rgba(255,45,122,.12), rgba(36,36,49,.86));
      border-radius: var(--radius);
      padding: 26px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 22px;
      align-items: center;
      box-shadow: var(--shadow-tight);
    }
    .cta-band p { margin-bottom: 0; max-width: 760px; }
    .inline-form { display: grid; grid-template-columns: 1fr 130px; gap: 10px; margin-top: 18px; max-width: 560px; }
    .inline-form input {
      height: 44px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--line);
      background: rgba(255,255,255,.07);
      color: #fff;
      padding: 0 13px;
    }
    .inline-form input:focus { border-color: var(--cyan); }

    .faq-list { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: rgba(29,29,38,.76); }
    .accordion { margin: 0; background: transparent; }
    .accordion-item { background: transparent; border-bottom: 1px solid rgba(255,255,255,.09); }
    .accordion-item:last-child { border-bottom: 0; }
    .accordion-title {
      color: var(--text);
      font-weight: 900;
      font-size: 16px;
      padding: 18px 46px 18px 18px;
      border: 0;
      background: rgba(255,255,255,.025);
    }
    .accordion-title:hover, .accordion-title:focus { background: rgba(0,229,255,.08); color: #fff; }
    .accordion-title::before { color: var(--cyan); right: 18px; }
    .accordion-content { background: rgba(15,15,19,.45); border: 0; color: var(--muted); padding: 0 18px 18px; }

    .privacy-block {
      display: grid;
      grid-template-columns: 68px 1fr;
      gap: 16px;
      align-items: start;
      border: 1px solid rgba(89,255,156,.28);
      background: rgba(89,255,156,.07);
      border-radius: var(--radius);
      padding: 22px;
    }
    .privacy-icon { width: 58px; height: 58px; border-radius: var(--radius-sm); display: inline-flex; align-items: center; justify-content: center; color: #121814; background: var(--green); font-size: 24px; box-shadow: 0 0 24px rgba(89,255,156,.22); }

    .site-footer { padding: 46px 0 24px; background: #0b0b0e; border-top: 1px solid var(--line); }
    .footer-grid { display: grid; grid-template-columns: 1.4fr .7fr .9fr; gap: 34px; align-items: start; }
    .site-footer p { font-size: 14px; max-width: 470px; }
    .footer-title { color: var(--text); font-weight: 900; margin-bottom: 13px; }
    .footer-links { display: grid; gap: 9px; }
    .footer-links a { color: var(--muted); font-size: 14px; }
    .footer-links a:hover { color: var(--cyan); transform: translateX(2px); }
    .footer-bottom { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; margin-top: 32px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.08); color: #858b9d; font-size: 13px; }

    @media (max-width: 1024px) {
      .hero-panel, .layout-main, .matrix-wrap { grid-template-columns: 1fr; }
      .side-panel { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .filter-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .search-wrap { max-width: none; }
      .trend-strip { display: none; }
    }

    @media (max-width: 768px) {
      .site-container { width: min(100% - 24px, var(--container)); }
      .section { padding: 46px 0; }
      .topbar { flex-wrap: wrap; }
      .brand { width: 100%; }
      .brand-text strong { font-size: 16px; }
      .search-wrap { flex-basis: 100%; order: 3; }
      .category-hero { padding-top: 36px; }
      .title-panel, .rank-panel { padding: 20px; }
      .title-panel::after { top: 14px; right: -42px; }
      .micro-grid, .card-stream, .side-panel, .tag-matrix { grid-template-columns: 1fr; }
      .filter-grid { grid-template-columns: 1fr; }
      .cta-band { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { display: grid; }
    }

    @media (max-width: 520px) {
      h1 { font-size: 32px; }
      h2 { font-size: 25px; }
      .quick-actions, .pager { align-items: stretch; }
      .btn-main, .btn-ghost, .entry-btn, .page-link { width: 100%; }
      .countdown { grid-template-columns: repeat(3, 1fr); }
      .rank-head { align-items: flex-start; flex-direction: column; }
      .rank-item { grid-template-columns: 32px 1fr; }
      .rank-hot { grid-column: 2; }
      .inline-form { grid-template-columns: 1fr; }
      .privacy-block { grid-template-columns: 1fr; }
      .channel { font-size: 13px; padding: 7px 12px; }
    }