/* roulang page: index */
:root {
      --bg: #09070e;
      --bg-soft: #14101d;
      --bg-card: rgba(28, 22, 38, .78);
      --bg-card-strong: rgba(37, 29, 50, .92);
      --text: #f8f3ff;
      --muted: #b8adc8;
      --weak: #80758f;
      --line: rgba(255, 255, 255, .12);
      --line-strong: rgba(255, 255, 255, .22);
      --accent: #ff4fd8;
      --accent-2: #8c5cff;
      --accent-3: #4dffe1;
      --warm: #ffd36a;
      --danger: #ff746b;
      --radius-sm: 12px;
      --radius: 22px;
      --radius-lg: 32px;
      --shadow: 0 24px 80px rgba(0, 0, 0, .36);
      --glow: 0 0 34px rgba(255, 79, 216, .24);
      --container: 1180px;
    }
    * {
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      background:
        radial-gradient(circle at 18% -5%, rgba(255, 79, 216, .28), transparent 34%),
        radial-gradient(circle at 88% 8%, rgba(77, 255, 225, .16), transparent 30%),
        linear-gradient(145deg, #09070e 0%, #120c18 46%, #07060b 100%);
      overflow-x: hidden;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.75), transparent 78%);
      z-index: -1;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color .22s ease, border-color .22s ease, transform .22s ease, background .22s ease;
    }
    img {
      max-width: 100%;
      display: block;
    }
    button,
    input {
      font: inherit;
    }
    button {
      border: 0;
      cursor: pointer;
    }
    :focus-visible {
      outline: 3px solid rgba(77, 255, 225, .75);
      outline-offset: 4px;
      border-radius: 12px;
    }
    .site-container {
      width: min(var(--container), calc(100% - 36px));
      margin: 0 auto;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(18px);
      background: rgba(9, 7, 14, .78);
      border-bottom: 1px solid var(--line);
    }
    .topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 76px;
      gap: 24px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 900;
      letter-spacing: -.02em;
    }
    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      background:
        linear-gradient(135deg, rgba(255,79,216,.95), rgba(140,92,255,.9) 52%, rgba(77,255,225,.78));
      box-shadow: var(--glow);
      position: relative;
      flex: 0 0 auto;
    }
    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 10px;
      border: 1px solid rgba(255,255,255,.72);
      border-radius: 10px;
      transform: rotate(8deg);
    }
    .brand-text {
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 360px;
      font-size: 18px;
    }
    .desktop-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(255,255,255,.04);
    }
    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 16px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
    }
    .nav-link:hover,
    .nav-link.active {
      color: var(--text);
      background: rgba(255,255,255,.09);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .search-chip {
      display: flex;
      align-items: center;
      gap: 8px;
      min-width: 180px;
      padding: 10px 14px;
      border: 1px solid var(--line);
      border-radius: 999px;
      color: var(--weak);
      background: rgba(255,255,255,.045);
      font-size: 13px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 20px;
      border-radius: 999px;
      font-weight: 850;
      line-height: 1.2;
      transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease;
      user-select: none;
    }
    .btn:hover {
      transform: translateY(-2px);
    }
    .btn:active {
      transform: translateY(0);
    }
    .btn-primary {
      color: #160719;
      background: linear-gradient(135deg, var(--accent), var(--warm));
      box-shadow: 0 16px 40px rgba(255, 79, 216, .28);
    }
    .btn-primary:hover {
      box-shadow: 0 22px 54px rgba(255, 79, 216, .36);
    }
    .btn-secondary {
      color: var(--text);
      background: rgba(255,255,255,.07);
      border: 1px solid var(--line-strong);
    }
    .btn-secondary:hover {
      border-color: rgba(77,255,225,.42);
      box-shadow: 0 16px 42px rgba(77,255,225,.12);
    }
    .section {
      padding: 86px 0;
      position: relative;
    }
    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(260px, .55fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 30px;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border: 1px solid rgba(255,79,216,.28);
      border-radius: 999px;
      color: #ffd6f6;
      background: rgba(255,79,216,.08);
      font-size: 13px;
      font-weight: 800;
    }
    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--accent-3);
      box-shadow: 0 0 16px var(--accent-3);
    }
    .section-title {
      margin: 14px 0 0;
      font-size: clamp(28px, 4vw, 48px);
      line-height: 1.16;
      letter-spacing: -.04em;
      font-weight: 950;
    }
    .section-desc {
      color: var(--muted);
      margin: 0;
      font-size: 16px;
    }
    .hero {
      padding: 74px 0 48px;
    }
    .hero-stage {
      min-height: 560px;
      border: 1px solid var(--line-strong);
      border-radius: var(--radius-lg);
      overflow: hidden;
      position: relative;
      box-shadow: var(--shadow);
      background:
        linear-gradient(115deg, rgba(255,79,216,.18), transparent 42%),
        linear-gradient(280deg, rgba(77,255,225,.14), transparent 40%),
        rgba(20,16,29,.84);
    }
    .hero-stage::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(0,0,0,.35), transparent 50%, rgba(0,0,0,.5)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 120px);
      pointer-events: none;
    }
    .promo-ribbon {
      position: absolute;
      top: 22px;
      left: 22px;
      z-index: 2;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
    }
    .burst {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 88px;
      height: 88px;
      color: #160719;
      font-weight: 950;
      line-height: 1.15;
      text-align: center;
      background: var(--warm);
      clip-path: polygon(50% 0%, 61% 18%, 82% 13%, 78% 35%, 100% 50%, 78% 64%, 82% 87%, 61% 82%, 50% 100%, 39% 82%, 18% 87%, 22% 64%, 0% 50%, 22% 35%, 18% 13%, 39% 18%);
      transform: rotate(-8deg);
      box-shadow: 0 16px 42px rgba(255,211,106,.22);
    }
    .countdown {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 14px;
      border-radius: 999px;
      background: rgba(0,0,0,.35);
      border: 1px solid rgba(255,255,255,.16);
      color: #ffeaff;
      font-size: 13px;
      font-weight: 800;
    }
    .hero-content {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1.02fr .98fr;
      gap: 28px;
      align-items: end;
      min-height: 560px;
      padding: 132px 42px 42px;
    }
    .hero h1 {
      margin: 0;
      max-width: 820px;
      font-size: clamp(36px, 7vw, 82px);
      line-height: .98;
      letter-spacing: -.07em;
      font-weight: 1000;
    }
    .hero p {
      margin: 22px 0 0;
      max-width: 690px;
      color: #ddd3ea;
      font-size: clamp(16px, 2vw, 19px);
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 30px;
    }
    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 32px;
      max-width: 730px;
    }
    .point {
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: 18px;
      background: rgba(255,255,255,.055);
    }
    .point strong {
      display: block;
      color: var(--accent-3);
      font-size: 22px;
      line-height: 1.2;
    }
    .point span {
      color: var(--muted);
      font-size: 13px;
    }
    .poster-wall {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 12px;
      align-items: end;
      min-height: 380px;
    }
    .poster {
      min-height: 210px;
      border-radius: 24px;
      border: 1px solid rgba(255,255,255,.18);
      background:
        linear-gradient(160deg, rgba(255,255,255,.18), rgba(255,255,255,.035)),
        linear-gradient(140deg, var(--poster-a), var(--poster-b));
      box-shadow: 0 18px 52px rgba(0,0,0,.32);
      position: relative;
      overflow: hidden;
      transform: translateY(var(--lift));
    }
    .poster::before {
      content: "";
      position: absolute;
      inset: 14px;
      border-radius: 18px;
      border: 1px solid rgba(255,255,255,.16);
    }
    .poster::after {
      content: attr(data-label);
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: 14px;
      color: #fff;
      font-size: 13px;
      font-weight: 900;
      padding-top: 42px;
      background: linear-gradient(to top, rgba(0,0,0,.62), transparent);
    }
    .poster.tall {
      min-height: 315px;
      grid-column: span 2;
    }
    .poster.mid {
      min-height: 260px;
      grid-column: span 2;
    }
    .poster.small {
      min-height: 180px;
      grid-column: span 2;
    }
    .neon-line {
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--accent), var(--accent-3), transparent);
      opacity: .68;
      margin: 16px 0;
    }
    .benefit-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 22px;
    }
    .pain-board,
    .card,
    .compare-card,
    .news-panel,
    .faq-item,
    .quote-card,
    .entry-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--bg-card);
      box-shadow: 0 18px 56px rgba(0,0,0,.22);
    }
    .pain-board {
      padding: 26px;
    }
    .pain-list {
      display: grid;
      gap: 14px;
      margin-top: 22px;
    }
    .pain-item {
      display: grid;
      grid-template-columns: 36px 1fr;
      gap: 14px;
      align-items: start;
      padding: 16px;
      border-radius: 18px;
      background: rgba(255,255,255,.045);
      border: 1px solid rgba(255,255,255,.08);
    }
    .pain-icon {
      width: 36px;
      height: 36px;
      border-radius: 13px;
      display: grid;
      place-items: center;
      background: rgba(255,79,216,.14);
      color: var(--accent);
      font-weight: 900;
    }
    .pain-item h3,
    .card h3,
    .compare-card h3,
    .entry-card h3 {
      margin: 0 0 6px;
      font-size: 18px;
      font-weight: 900;
    }
    .pain-item p,
    .card p,
    .compare-card p,
    .entry-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }
    .rights-stack {
      display: grid;
      gap: 14px;
    }
    .card {
      padding: 22px;
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }
    .card:hover,
    .compare-card:hover,
    .entry-card:hover,
    .quote-card:hover {
      transform: translateY(-4px);
      border-color: rgba(255,79,216,.38);
      box-shadow: 0 24px 68px rgba(255,79,216,.12);
    }
    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 14px;
    }
    .tag {
      display: inline-flex;
      align-items: center;
      border: 1px solid rgba(77,255,225,.24);
      color: #c9fff7;
      background: rgba(77,255,225,.07);
      border-radius: 999px;
      padding: 6px 10px;
      font-size: 12px;
      font-weight: 800;
      transition: background .2s ease, border-color .2s ease, transform .2s ease;
    }
    .tag:hover,
    .tag.active {
      transform: translateY(-1px);
      border-color: rgba(255,79,216,.5);
      background: rgba(255,79,216,.12);
      color: #ffe8fb;
    }
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }
    .step-card {
      position: relative;
      min-height: 210px;
      padding: 22px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background:
        linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.025)),
        rgba(22,17,31,.78);
      overflow: hidden;
    }
    .step-num {
      display: inline-flex;
      width: 42px;
      height: 42px;
      border-radius: 15px;
      align-items: center;
      justify-content: center;
      color: #170916;
      background: var(--accent-3);
      font-weight: 950;
      box-shadow: 0 0 28px rgba(77,255,225,.24);
    }
    .step-card h3 {
      margin: 22px 0 8px;
      font-size: 19px;
      font-weight: 950;
    }
    .step-card p {
      color: var(--muted);
      margin: 0;
      font-size: 14px;
    }
    .compare-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
      align-items: stretch;
    }
    .compare-card {
      padding: 24px;
      position: relative;
      overflow: hidden;
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }
    .compare-card.featured {
      border-color: rgba(255,79,216,.44);
      background:
        linear-gradient(145deg, rgba(255,79,216,.16), rgba(77,255,225,.07)),
        var(--bg-card-strong);
    }
    .price {
      display: flex;
      align-items: baseline;
      gap: 6px;
      margin: 18px 0;
    }
    .price strong {
      font-size: 42px;
      line-height: 1;
      letter-spacing: -.05em;
    }
    .price span {
      color: var(--weak);
      font-size: 14px;
    }
    .feature-list {
      display: grid;
      gap: 10px;
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
    }
    .feature-list li {
      color: var(--muted);
      font-size: 14px;
      display: flex;
      gap: 9px;
    }
    .feature-list li::before {
      content: "✓";
      color: var(--accent-3);
      font-weight: 900;
    }
    .changelog {
      display: grid;
      grid-template-columns: .85fr 1.15fr;
      gap: 22px;
    }
    .metric-card {
      padding: 28px;
      border-radius: var(--radius);
      border: 1px solid rgba(255,255,255,.14);
      background: linear-gradient(135deg, rgba(255,79,216,.14), rgba(140,92,255,.10));
    }
    .metric-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin-top: 20px;
    }
    .metric {
      padding: 16px;
      border-radius: 18px;
      background: rgba(0,0,0,.2);
      border: 1px solid rgba(255,255,255,.1);
    }
    .metric strong {
      display: block;
      font-size: 28px;
      line-height: 1.1;
      color: var(--warm);
    }
    .metric span {
      color: var(--muted);
      font-size: 13px;
    }
    .timeline {
      display: grid;
      gap: 14px;
    }
    .timeline-item {
      display: grid;
      grid-template-columns: 96px 1fr;
      gap: 16px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: 20px;
      background: rgba(255,255,255,.045);
    }
    .timeline-item time {
      color: var(--accent-3);
      font-weight: 900;
      font-size: 13px;
    }
    .timeline-item h3 {
      margin: 0 0 4px;
      font-size: 17px;
      font-weight: 900;
    }
    .timeline-item p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }
    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) 360px;
      gap: 22px;
    }
    .news-panel {
      padding: 22px;
    }
    .news-list {
      display: grid;
      gap: 4px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .news-link {
      display: grid;
      grid-template-columns: 88px 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 15px 0;
      border-bottom: 1px solid rgba(255,255,255,.08);
    }
    .news-link:hover h3 {
      color: var(--accent-3);
    }
    .news-link time {
      color: var(--weak);
      font-size: 13px;
    }
    .news-link h3 {
      margin: 0;
      font-size: 16px;
      font-weight: 850;
      transition: color .2s ease;
    }
    .news-link span {
      color: var(--muted);
      font-size: 13px;
    }
    .recommend-card {
      min-height: 100%;
      padding: 24px;
      border-radius: var(--radius);
      border: 1px solid rgba(255,79,216,.28);
      background:
        linear-gradient(160deg, rgba(255,79,216,.18), rgba(77,255,225,.06)),
        rgba(18,14,25,.88);
      position: relative;
      overflow: hidden;
    }
    .recommend-card::after {
      content: "";
      position: absolute;
      width: 190px;
      height: 190px;
      right: -70px;
      bottom: -70px;
      border-radius: 50%;
      background: rgba(255,79,216,.2);
      filter: blur(8px);
    }
    .recommend-card h3 {
      margin: 18px 0 10px;
      font-size: 26px;
      line-height: 1.2;
      font-weight: 950;
      position: relative;
      z-index: 1;
    }
    .recommend-card p,
    .recommend-card a {
      position: relative;
      z-index: 1;
    }
    .quote-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }
    .quote-card {
      padding: 24px;
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }
    .quote-top {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }
    .avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow: 0 0 24px rgba(255,79,216,.18);
    }
    .quote-top strong {
      display: block;
      font-weight: 900;
    }
    .quote-top span {
      color: var(--weak);
      font-size: 13px;
    }
    .quote-card p {
      color: #ded5eb;
      margin: 0;
      font-size: 15px;
    }
    .rating {
      color: var(--warm);
      letter-spacing: 2px;
      margin-top: 16px;
    }
    .limited-entry {
      border-radius: var(--radius-lg);
      border: 1px solid rgba(255,79,216,.34);
      background:
        radial-gradient(circle at 16% 22%, rgba(255,211,106,.22), transparent 25%),
        radial-gradient(circle at 86% 18%, rgba(77,255,225,.18), transparent 25%),
        linear-gradient(135deg, rgba(255,79,216,.18), rgba(12,10,18,.96));
      padding: 30px;
      box-shadow: var(--shadow);
    }
    .entry-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
      align-items: center;
    }
    .count-blocks {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 20px;
    }
    .count-block {
      min-width: 82px;
      padding: 14px;
      border-radius: 18px;
      text-align: center;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(0,0,0,.22);
    }
    .count-block strong {
      display: block;
      font-size: 26px;
      color: var(--accent-3);
      line-height: 1;
    }
    .count-block span {
      font-size: 12px;
      color: var(--muted);
    }
    .entry-card {
      padding: 24px;
      background: rgba(8,7,12,.48);
    }
    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }
    .faq-item {
      padding: 22px;
    }
    .faq-item h3 {
      margin: 0 0 10px;
      font-size: 18px;
      font-weight: 950;
    }
    .faq-item p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }
    .final-cta {
      padding: 34px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(77,255,225,.26);
      background:
        linear-gradient(90deg, rgba(77,255,225,.13), rgba(255,79,216,.14)),
        rgba(18,14,25,.92);
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
      box-shadow: var(--shadow);
    }
    .final-cta h2 {
      margin: 0 0 10px;
      font-size: clamp(26px, 4vw, 44px);
      line-height: 1.18;
      font-weight: 950;
      letter-spacing: -.04em;
    }
    .final-cta p {
      margin: 0;
      color: var(--muted);
    }
    .site-footer {
      padding: 54px 0 92px;
      border-top: 1px solid var(--line);
      background: rgba(0,0,0,.18);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 26px;
      align-items: start;
    }
    .footer-title {
      font-size: 18px;
      font-weight: 950;
      margin: 0 0 12px;
    }
    .footer-text,
    .footer-link,
    .copyright {
      color: var(--muted);
      font-size: 14px;
    }
    .footer-links {
      display: grid;
      gap: 10px;
    }
    .footer-link:hover {
      color: var(--accent-3);
    }
    .mobile-tabs {
      display: none;
      position: fixed;
      left: 12px;
      right: 12px;
      bottom: 12px;
      z-index: 60;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 8px;
      padding: 8px;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 24px;
      background: rgba(9,7,14,.88);
      backdrop-filter: blur(18px);
      box-shadow: 0 18px 58px rgba(0,0,0,.38);
    }
    .mobile-tab {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 54px;
      border-radius: 18px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
      gap: 2px;
    }
    .mobile-tab .icon {
      font-size: 18px;
      line-height: 1;
    }
    .mobile-tab.active,
    .mobile-tab:hover {
      color: var(--text);
      background: rgba(255,79,216,.13);
    }
    @media (max-width: 1024px) {
      .desktop-nav,
      .search-chip {
        display: none;
      }
      .hero-content,
      .benefit-grid,
      .changelog,
      .news-layout,
      .entry-grid,
      .final-cta {
        grid-template-columns: 1fr;
      }
      .poster-wall {
        min-height: auto;
      }
      .steps-grid,
      .compare-grid,
      .quote-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      .section-head {
        grid-template-columns: 1fr;
      }
    }
    @media (max-width: 768px) {
      .site-container {
        width: min(100% - 28px, var(--container));
      }
      .topbar {
        min-height: 66px;
      }
      .brand-text {
        max-width: 230px;
        font-size: 15px;
      }
      .header-actions .btn {
        display: none;
      }
      .hero {
        padding-top: 36px;
      }
      .hero-stage {
        min-height: auto;
        border-radius: 26px;
      }
      .hero-content {
        min-height: auto;
        padding: 124px 18px 22px;
      }
      .promo-ribbon {
        top: 16px;
        left: 16px;
      }
      .burst {
        width: 74px;
        height: 74px;
        font-size: 13px;
      }
      .hero-points,
      .metric-grid,
      .faq-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .poster-wall {
        grid-template-columns: repeat(2, 1fr);
        margin-top: 16px;
      }
      .poster.tall,
      .poster.mid,
      .poster.small {
        grid-column: span 1;
        min-height: 170px;
      }
      .steps-grid,
      .compare-grid,
      .quote-grid {
        grid-template-columns: 1fr;
      }
      .section {
        padding: 58px 0;
      }
      .news-link {
        grid-template-columns: 1fr;
        gap: 4px;
      }
      .timeline-item {
        grid-template-columns: 1fr;
      }
      .final-cta {
        padding: 24px;
      }
      .mobile-tabs {
        display: grid;
      }
      .site-footer {
        padding-bottom: 104px;
      }
    }
    @media (max-width: 520px) {
      .hero-actions,
      .final-cta .hero-actions {
        flex-direction: column;
      }
      .btn {
        width: 100%;
      }
      .countdown {
        font-size: 12px;
      }
      .section-title {
        font-size: 30px;
      }
      .price strong {
        font-size: 34px;
      }
    }

/* roulang page: category1 */
:root{
      --bg:#05060a;
      --bg-soft:#0b1020;
      --panel:rgba(12,16,28,.82);
      --panel-strong:rgba(17,23,40,.94);
      --line:rgba(167,183,255,.15);
      --line-strong:rgba(145,237,214,.28);
      --text:#ecf2ff;
      --muted:#a2acc8;
      --accent:#7ef3d7;
      --accent-2:#a78bfa;
      --accent-3:#ff9c7a;
      --shadow:0 24px 70px rgba(0,0,0,.42);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(circle at 15% 12%, rgba(126,243,215,.14), transparent 24%),
        radial-gradient(circle at 82% 18%, rgba(167,139,250,.16), transparent 24%),
        radial-gradient(circle at 74% 82%, rgba(255,156,122,.10), transparent 24%),
        linear-gradient(180deg, #06070c 0%, #090b13 42%, #05060a 100%);
      font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height:1.6;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(to bottom, rgba(255,255,255,.03), rgba(255,255,255,0) 18%),
        repeating-linear-gradient(90deg, transparent 0 118px, rgba(255,255,255,.025) 118px 119px);
      opacity:.22;
      mix-blend-mode:screen;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:var(--accent);color:#081018}
    .site-container{width:min(1200px,calc(100% - 2rem));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      backdrop-filter:blur(22px);
      -webkit-backdrop-filter:blur(22px);
      background:linear-gradient(180deg, rgba(6,7,11,.94), rgba(6,7,11,.72));
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .topbar{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:.8rem;
      flex-shrink:0;
      letter-spacing:.02em;
    }
    .brand-mark{
      width:40px;
      height:40px;
      border-radius:14px;
      position:relative;
      overflow:hidden;
      background:
        radial-gradient(circle at 28% 28%, rgba(255,255,255,.32), transparent 24%),
        linear-gradient(135deg, rgba(126,243,215,.95), rgba(167,139,250,.92));
      box-shadow:0 10px 28px rgba(126,243,215,.20), 0 0 0 1px rgba(255,255,255,.08) inset;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:10px;
      border-radius:11px;
      border:1px solid rgba(255,255,255,.34);
    }
    .brand-text{
      font-weight:800;
      font-size:1.03rem;
      line-height:1.1;
      color:var(--text);
      text-shadow:0 0 20px rgba(126,243,215,.09);
      white-space:nowrap;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:.35rem;
      padding:.35rem;
      border:1px solid rgba(255,255,255,.06);
      border-radius:999px;
      background:rgba(13,17,29,.55);
      box-shadow:0 10px 30px rgba(0,0,0,.18);
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:.8rem 1rem;
      color:var(--muted);
      font-size:.95rem;
      font-weight:600;
      border-radius:999px;
      transition:transform .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease;
      min-width:104px;
    }
    .nav-link:hover,
    .nav-link:focus-visible{
      color:var(--text);
      background:rgba(255,255,255,.05);
      transform:translateY(-1px);
      outline:none;
      box-shadow:0 0 0 1px rgba(126,243,215,.13) inset;
    }
    .nav-link.active,
    .nav-link[aria-current="page"]{
      color:#09101a;
      background:linear-gradient(135deg, rgba(126,243,215,1), rgba(167,139,250,.96));
      box-shadow:0 12px 30px rgba(126,243,215,.16);
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:.75rem;
      flex-shrink:0;
    }
    .search-chip{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.78rem 1rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(13,17,29,.55);
      color:var(--muted);
      font-size:.92rem;
      white-space:nowrap;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.55rem;
      padding:.88rem 1.15rem;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
      will-change:transform;
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-1px);
      outline:none;
    }
    .btn:active{transform:translateY(0)}
    .btn-primary{
      color:#081018;
      background:linear-gradient(135deg, rgba(126,243,215,1), rgba(167,139,250,.96));
      box-shadow:0 14px 30px rgba(126,243,215,.15), 0 0 0 1px rgba(255,255,255,.1) inset;
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      box-shadow:0 18px 38px rgba(126,243,215,.22), 0 0 0 1px rgba(255,255,255,.14) inset;
    }
    .btn-secondary{
      color:var(--text);
      border-color:rgba(255,255,255,.09);
      background:rgba(255,255,255,.03);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.02);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      border-color:rgba(126,243,215,.24);
      background:rgba(126,243,215,.07);
    }
    .hero-shell,
    .section-shell,
    .footer-grid{
      position:relative;
      z-index:1;
    }
    .hero-card,
    .glass-card,
    .poster-card,
    .stat-card,
    .quote-card,
    .faq-panel,
    .cta-panel{
      border:1px solid var(--line);
      background:
        linear-gradient(180deg, rgba(18,23,38,.88), rgba(8,11,18,.86));
      box-shadow:var(--shadow);
      backdrop-filter:blur(12px);
      -webkit-backdrop-filter:blur(12px);
    }
    .hero-card{
      border-radius:var(--radius-xl);
      overflow:hidden;
    }
    .section-shell{margin-top:1.1rem}
    .section-title{
      font-size:clamp(1.45rem, 2vw, 2.15rem);
      line-height:1.15;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .section-desc{
      color:var(--muted);
      max-width:68ch;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.45rem .8rem;
      border-radius:999px;
      border:1px solid rgba(126,243,215,.18);
      background:rgba(126,243,215,.08);
      color:#aef7e8;
      font-size:.82rem;
      font-weight:700;
      letter-spacing:.08em;
      text-transform:uppercase;
    }
    .glow-line{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(126,243,215,.8), rgba(167,139,250,.75), transparent);
      box-shadow:0 0 22px rgba(126,243,215,.28);
    }
    .tag-chip{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.55rem .8rem;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.07);
      color:var(--text);
      font-size:.85rem;
      transition:transform .2s ease, background .2s ease, border-color .2s ease;
    }
    .tag-chip:hover,
    .tag-chip:focus-visible{
      outline:none;
      transform:translateY(-1px);
      border-color:rgba(126,243,215,.25);
      background:rgba(126,243,215,.08);
    }
    .poster-card{
      position:relative;
      overflow:hidden;
      border-radius:24px;
      min-height:100%;
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }
    .poster-card:hover{
      transform:translateY(-3px);
      border-color:rgba(126,243,215,.24);
      box-shadow:0 18px 44px rgba(0,0,0,.4);
    }
    .poster-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at top right, rgba(126,243,215,.10), transparent 38%),
        radial-gradient(circle at bottom left, rgba(167,139,250,.12), transparent 42%);
      pointer-events:none;
    }
    .poster-card .shine{
      position:absolute;
      inset:auto auto 0 0;
      width:100%;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(126,243,215,.55), transparent);
    }
    .metric-pill{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
      padding:.5rem .75rem;
      border-radius:999px;
      color:#dffcf7;
      background:rgba(126,243,215,.08);
      border:1px solid rgba(126,243,215,.2);
      font-size:.82rem;
      font-weight:700;
    }
    .metric-box{
      border-radius:20px;
      border:1px solid rgba(255,255,255,.07);
      background:rgba(255,255,255,.03);
      padding:1rem;
    }
    .metric-num{
      font-size:1.9rem;
      line-height:1;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .metric-label{
      color:var(--muted);
      font-size:.86rem;
      margin-top:.35rem;
    }
    .list-check{
      display:grid;
      gap:.75rem;
    }
    .list-check li{
      display:flex;
      gap:.75rem;
      align-items:flex-start;
      color:#dbe4ff;
    }
    .list-check svg{
      flex:none;
      width:18px;
      height:18px;
      margin-top:.2rem;
      color:var(--accent);
    }
    .faq-panel details{
      border-top:1px solid rgba(255,255,255,.08);
      padding:1rem 0;
    }
    .faq-panel details:first-child{
      border-top:none;
      padding-top:0;
    }
    .faq-panel summary{
      cursor:pointer;
      list-style:none;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      font-weight:700;
      color:var(--text);
    }
    .faq-panel summary::-webkit-details-marker{display:none}
    .faq-panel summary::after{
      content:"+";
      flex:none;
      width:26px;
      height:26px;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.04);
      color:var(--accent);
      border:1px solid rgba(255,255,255,.08);
      transition:transform .2s ease, background .2s ease;
    }
    .faq-panel details[open] summary::after{
      content:"−";
      background:rgba(126,243,215,.08);
      transform:rotate(180deg);
    }
    .faq-panel p{
      color:var(--muted);
      margin:.85rem 0 0;
      max-width:68ch;
    }
    .site-footer{
      margin-top:4rem;
      padding:2.25rem 0 6.2rem;
      border-top:1px solid rgba(255,255,255,.06);
      background:linear-gradient(180deg, rgba(6,7,11,.42), rgba(6,7,11,.94));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr .8fr 1fr;
      gap:1.4rem;
    }
    .footer-title{
      color:var(--text);
      font-size:1rem;
      font-weight:800;
      margin:0 0 .9rem;
    }
    .footer-text{
      color:var(--muted);
      font-size:.95rem;
      margin:0;
    }
    .footer-links{
      display:grid;
      gap:.7rem;
    }
    .footer-link{
      color:#dfe7ff;
      font-size:.95rem;
      transition:color .2s ease, transform .2s ease;
    }
    .footer-link:hover,
    .footer-link:focus-visible{
      color:var(--accent);
      outline:none;
    }
    .copyright{
      color:rgba(166,176,206,.84);
      font-size:.9rem;
    }
    .mobile-tabbar{
      position:fixed;
      left:0;
      right:0;
      bottom:0;
      z-index:70;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:.55rem;
      padding:.75rem .8rem calc(.8rem + env(safe-area-inset-bottom));
      background:linear-gradient(180deg, rgba(6,7,11,.1), rgba(6,7,11,.94) 18%, rgba(6,7,11,.98));
      border-top:1px solid rgba(255,255,255,.08);
      backdrop-filter:blur(22px);
      -webkit-backdrop-filter:blur(22px);
    }
    .tab-item{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:.45rem;
      min-height:48px;
      padding:.75rem .6rem;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:var(--muted);
      font-size:.82rem;
      font-weight:700;
      transition:transform .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
    }
    .tab-item:hover,
    .tab-item:focus-visible{
      color:var(--text);
      border-color:rgba(126,243,215,.22);
      background:rgba(126,243,215,.07);
      transform:translateY(-1px);
      outline:none;
    }
    .tab-item.active{
      color:#081018;
      border-color:transparent;
      background:linear-gradient(135deg, rgba(126,243,215,1), rgba(167,139,250,.96));
    }
    .scrollbar-hide::-webkit-scrollbar{display:none}
    .scrollbar-hide{-ms-overflow-style:none;scrollbar-width:none}
    .focus-ring:focus-visible{
      outline:2px solid rgba(126,243,215,.6);
      outline-offset:3px;
    }
    .fine-border{
      border:1px solid rgba(255,255,255,.06);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
    }
    .mini-line{
      height:1px;
      background:rgba(255,255,255,.07);
    }
    .entry-tile{
      border-radius:20px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.07);
      padding:1rem 1rem 1.05rem;
      transition:transform .2s ease, border-color .2s ease, background .2s ease;
    }
    .entry-tile:hover{
      transform:translateY(-2px);
      border-color:rgba(126,243,215,.2);
      background:rgba(126,243,215,.05);
    }
    .entry-label{
      color:#b8c2e0;
      font-size:.82rem;
      letter-spacing:.06em;
      text-transform:uppercase;
    }
    .entry-value{
      margin-top:.3rem;
      color:var(--text);
      font-weight:800;
      font-size:1.02rem;
    }
    .entry-note{
      margin-top:.25rem;
      color:var(--muted);
      font-size:.88rem;
    }
    .badge-soft{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
      padding:.42rem .7rem;
      border-radius:999px;
      color:#dffcf7;
      background:rgba(126,243,215,.08);
      border:1px solid rgba(126,243,215,.18);
      font-size:.8rem;
      font-weight:700;
    }
    .timeline{
      position:relative;
      padding-left:1.4rem;
    }
    .timeline::before{
      content:"";
      position:absolute;
      left:.45rem;
      top:.1rem;
      bottom:.1rem;
      width:1px;
      background:linear-gradient(180deg, rgba(126,243,215,.7), rgba(167,139,250,.35));
    }
    .timeline-item{
      position:relative;
      padding-bottom:1rem;
    }
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item::before{
      content:"";
      position:absolute;
      left:-1rem;
      top:.4rem;
      width:10px;
      height:10px;
      border-radius:999px;
      background:linear-gradient(135deg, rgba(126,243,215,1), rgba(167,139,250,.96));
      box-shadow:0 0 0 4px rgba(126,243,215,.08);
    }
    .timeline-title{
      font-weight:800;
      color:var(--text);
    }
    .timeline-desc{
      color:var(--muted);
      margin-top:.15rem;
      font-size:.92rem;
    }
    @media (max-width: 1023px){
      .desktop-nav{display:none}
      .search-chip{display:none}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 767px){
      .topbar{min-height:70px}
      .brand-text{font-size:.95rem}
      .header-actions .btn{padding:.78rem 1rem}
      .footer-grid{grid-template-columns:1fr}
      .site-footer{padding-bottom:8.4rem}
    }
    @media (max-width: 520px){
      .site-container{width:min(100% - 1.1rem, 1200px)}
      .hero-card{border-radius:24px}
      .section-shell{margin-top:.9rem}
      .section-title{font-size:1.35rem}
      .metric-num{font-size:1.55rem}
      .mobile-tabbar{gap:.45rem}
      .tab-item{padding:.68rem .45rem;font-size:.76rem}
    }