/* roulang page: index */
:root {
      --bg: #09090b;
      --bg-soft: #111116;
      --panel: #17171d;
      --panel-strong: #202028;
      --text: #f8fafc;
      --muted: #a7adbb;
      --line: rgba(255, 255, 255, .12);
      --primary: #ff245f;
      --primary-2: #ff4f7e;
      --accent: #ffb000;
      --orange: #ff6a18;
      --cyan: #67e8f9;
      --radius: 8px;
      --shadow: 0 18px 55px rgba(0, 0, 0, .45);
      --shadow-hot: 0 16px 36px rgba(255, 36, 95, .25);
      --container: 1200px;
      --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text);
      font-family: var(--font);
      line-height: 1.7;
      background:
        linear-gradient(135deg, rgba(255, 36, 95, .14), transparent 32%),
        linear-gradient(225deg, rgba(255, 176, 0, .12), transparent 28%),
        radial-gradient(circle at 50% 0%, rgba(255, 255, 255, .08), transparent 38%),
        var(--bg);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(115deg, transparent 0 46%, rgba(255,255,255,.045) 47%, transparent 49%),
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size: 180px 180px, 48px 48px, 48px 48px;
      mask-image: linear-gradient(to bottom, black, transparent 78%);
      z-index: -1;
    }

    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    button, input { font: inherit; }
    button { border: 0; cursor: pointer; }

    .site-container {
      width: min(var(--container), calc(100% - 32px));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      border-bottom: 1px solid var(--line);
      background: rgba(9, 9, 11, .86);
      backdrop-filter: blur(16px);
    }

    .nav-wrap {
      height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      font-weight: 950;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      color: #09090b;
      font-weight: 1000;
      border: 2px solid rgba(255,255,255,.2);
      background: linear-gradient(135deg, var(--accent), var(--primary));
      box-shadow: 0 10px 28px rgba(255, 36, 95, .35);
      clip-path: polygon(12% 0, 100% 0, 88% 100%, 0 100%);
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.1;
    }

    .brand-name {
      max-width: 260px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      font-size: 18px;
    }

    .brand-tag {
      color: var(--accent);
      font-size: 11px;
      font-weight: 800;
    }

    .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 {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 0 16px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 800;
      transition: .2s ease;
    }

    .nav-link:hover,
    .nav-link:focus-visible {
      color: var(--text);
      background: rgba(255,255,255,.08);
      outline: none;
    }

    .nav-link.active {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--orange));
      box-shadow: 0 10px 24px rgba(255, 36, 95, .28);
    }

    .mobile-top {
      display: none;
      height: 58px;
      align-items: center;
      justify-content: space-between;
    }

    .section {
      padding: 72px 0;
    }

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

    .section-kicker,
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      color: var(--accent);
      font-weight: 950;
      font-size: 13px;
    }

    .section-title {
      margin: 8px 0 0;
      font-size: clamp(26px, 3vw, 42px);
      line-height: 1.18;
      font-weight: 1000;
    }

    .section-desc {
      max-width: 640px;
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 16px;
    }

    .hero {
      padding: 54px 0 64px;
    }

    .hero-stage {
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 8px;
      background:
        linear-gradient(110deg, rgba(255,36,95,.22), transparent 36%),
        linear-gradient(260deg, rgba(255,176,0,.18), transparent 34%),
        linear-gradient(180deg, #19191f, #0f0f14);
      box-shadow: var(--shadow);
    }

    .hero-stage::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(120deg, transparent 0 68%, rgba(255,255,255,.08) 69%, transparent 71%),
        repeating-linear-gradient(135deg, rgba(255,255,255,.055) 0 1px, transparent 1px 18px);
      opacity: .55;
    }

    .hero-inner {
      position: relative;
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 28px;
      min-height: 520px;
      padding: clamp(24px, 5vw, 58px);
      align-items: stretch;
    }

    .hero-copy {
      display: flex;
      flex-direction: column;
      justify-content: center;
      min-width: 0;
    }

    .promo-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 20px;
    }

    .pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 32px;
      padding: 6px 10px;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 999px;
      color: #fff;
      background: rgba(255,255,255,.07);
      font-size: 13px;
      font-weight: 850;
    }

    .pill.hot {
      color: #150b00;
      background: var(--accent);
      border-color: transparent;
    }

    h1 {
      margin: 0;
      max-width: 760px;
      font-size: clamp(36px, 6.2vw, 74px);
      line-height: 1.02;
      font-weight: 1000;
      letter-spacing: 0;
    }

    .hero-lead {
      max-width: 780px;
      margin: 22px 0 0;
      color: #d7dbe5;
      font-size: clamp(16px, 2vw, 19px);
      line-height: 1.75;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 28px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 12px 18px;
      border-radius: 8px;
      font-weight: 950;
      line-height: 1.2;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--orange));
      box-shadow: var(--shadow-hot);
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      transform: translateY(-2px);
      box-shadow: 0 20px 46px rgba(255, 36, 95, .35);
      outline: none;
    }

    .btn-secondary {
      color: var(--text);
      border: 1px solid rgba(255,255,255,.18);
      background: rgba(255,255,255,.06);
    }

    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      transform: translateY(-2px);
      border-color: rgba(255,255,255,.34);
      background: rgba(255,255,255,.11);
      outline: none;
    }

    .trust-row {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
      margin-top: 30px;
    }

    .trust-item {
      min-width: 0;
      padding: 12px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: rgba(255,255,255,.055);
    }

    .trust-num {
      display: block;
      color: var(--accent);
      font-size: 22px;
      font-weight: 1000;
      line-height: 1;
    }

    .trust-text {
      display: block;
      margin-top: 6px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 750;
    }

    .hero-panel {
      position: relative;
      display: grid;
      align-content: center;
      gap: 14px;
      min-width: 0;
    }

    .deal-board {
      position: relative;
      overflow: hidden;
      padding: 22px;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 8px;
      background: rgba(9, 9, 11, .72);
      box-shadow: 0 18px 42px rgba(0,0,0,.35);
    }

    .burst {
      position: absolute;
      top: 18px;
      right: 18px;
      display: grid;
      place-items: center;
      width: 78px;
      height: 78px;
      color: #160900;
      background: var(--accent);
      font-size: 14px;
      font-weight: 1000;
      text-align: center;
      line-height: 1.15;
      clip-path: polygon(50% 0, 62% 22%, 88% 12%, 78% 39%, 100% 50%, 78% 62%, 88% 88%, 62% 78%, 50% 100%, 38% 78%, 12% 88%, 22% 62%, 0 50%, 22% 39%, 12% 12%, 38% 22%);
      transform: rotate(8deg);
    }

    .deal-title {
      max-width: 70%;
      margin: 0;
      font-size: 25px;
      font-weight: 1000;
      line-height: 1.2;
    }

    .countdown {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 8px;
      margin: 22px 0;
    }

    .timebox {
      min-height: 74px;
      padding: 10px 6px;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 8px;
      background: linear-gradient(180deg, rgba(255,255,255,.1), rgba(255,255,255,.035));
      text-align: center;
    }

    .timebox strong {
      display: block;
      color: var(--accent);
      font-size: 28px;
      line-height: 1.05;
      font-weight: 1000;
    }

    .timebox span {
      display: block;
      margin-top: 4px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
    }

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

    .step-list li {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 12px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: rgba(255,255,255,.05);
      color: #dfe3ea;
      font-size: 14px;
    }

    .step-list b {
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      width: 28px;
      height: 28px;
      border-radius: 6px;
      color: #fff;
      background: var(--primary);
      font-weight: 950;
    }

    .grid-cards {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .card {
      position: relative;
      min-width: 0;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: linear-gradient(180deg, rgba(255,255,255,.065), rgba(255,255,255,.025));
      box-shadow: 0 12px 28px rgba(0,0,0,.22);
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }

    .card:hover {
      transform: translateY(-4px);
      border-color: rgba(255, 79, 126, .7);
      box-shadow: 0 18px 40px rgba(0,0,0,.34);
    }

    .product-card {
      overflow: hidden;
      padding: 18px;
    }

    .rank {
      position: absolute;
      top: 0;
      right: 0;
      min-width: 56px;
      padding: 7px 9px;
      color: #160900;
      background: var(--accent);
      font-weight: 1000;
      text-align: center;
      clip-path: polygon(0 0, 100% 0, 100% 100%, 14% 100%);
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 26px;
      padding: 4px 9px;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 999px;
      color: var(--accent);
      background: rgba(255,176,0,.09);
      font-size: 12px;
      font-weight: 900;
    }

    .product-card h3 {
      margin: 16px 0 8px;
      padding-right: 44px;
      font-size: 20px;
      line-height: 1.25;
      font-weight: 1000;
    }

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

    .feature-list {
      display: grid;
      gap: 8px;
      margin: 16px 0;
      padding: 0;
      list-style: none;
    }

    .feature-list li {
      display: flex;
      gap: 8px;
      color: #e8ebf2;
      font-size: 13px;
      font-weight: 750;
    }

    .feature-list li::before {
      content: "";
      width: 7px;
      height: 7px;
      margin-top: 8px;
      border-radius: 50%;
      background: var(--primary);
      flex: 0 0 auto;
    }

    .price-line {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 10px;
      padding-top: 14px;
      border-top: 1px solid var(--line);
    }

    .price-line strong {
      color: var(--accent);
      font-size: 23px;
      font-weight: 1000;
    }

    .mini-btn {
      min-height: 38px;
      padding: 9px 12px;
      font-size: 13px;
    }

    .milestone-wrap {
      display: grid;
      grid-template-columns: .85fr 1.15fr;
      gap: 16px;
      align-items: stretch;
    }

    .progress-panel,
    .ranking-panel,
    .news-panel,
    .recommend-panel,
    .app-panel,
    .faq-card {
      border: 1px solid var(--line);
      border-radius: 8px;
      background: rgba(255,255,255,.045);
      box-shadow: 0 14px 32px rgba(0,0,0,.2);
    }

    .progress-panel {
      padding: 22px;
    }

    .progress-track {
      height: 14px;
      overflow: hidden;
      border-radius: 999px;
      background: rgba(255,255,255,.1);
    }

    .progress-fill {
      width: 72%;
      height: 100%;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      box-shadow: 0 0 22px rgba(255,176,0,.35);
    }

    .tier-list {
      display: grid;
      gap: 10px;
      margin-top: 18px;
    }

    .tier {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: rgba(0,0,0,.2);
    }

    .tier b {
      color: #fff;
    }

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

    .ranking-panel {
      overflow: hidden;
    }

    .rank-row {
      display: grid;
      grid-template-columns: 52px 1fr 82px 82px;
      gap: 12px;
      align-items: center;
      min-height: 66px;
      padding: 12px 16px;
      border-bottom: 1px solid var(--line);
    }

    .rank-row:last-child { border-bottom: 0; }
    .rank-row.header {
      min-height: 46px;
      color: var(--muted);
      background: rgba(255,255,255,.055);
      font-size: 12px;
      font-weight: 900;
    }

    .rank-no {
      display: grid;
      place-items: center;
      width: 34px;
      height: 34px;
      border-radius: 6px;
      color: #130a00;
      background: var(--accent);
      font-weight: 1000;
    }

    .rank-title {
      min-width: 0;
    }

    .rank-title strong {
      display: block;
      overflow-wrap: anywhere;
      font-size: 15px;
      line-height: 1.25;
    }

    .rank-title small {
      display: block;
      margin-top: 4px;
      color: var(--muted);
      font-size: 12px;
    }

    .metric {
      color: #fff;
      font-weight: 950;
      text-align: right;
      font-size: 14px;
    }

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

    .review-card {
      padding: 18px;
    }

    .review-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 14px;
    }

    .avatar {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: #150800;
      background: linear-gradient(135deg, var(--accent), var(--primary));
      font-weight: 1000;
    }

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

    .review-card p {
      margin: 0;
      color: #dfe3ea;
      font-size: 14px;
    }

    .review-meta {
      display: flex;
      justify-content: space-between;
      gap: 10px;
      margin-top: 14px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 750;
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.25fr .75fr;
      gap: 16px;
    }

    .news-panel {
      overflow: hidden;
    }

    .news-item {
      display: grid;
      grid-template-columns: 108px 1fr 86px;
      gap: 14px;
      align-items: center;
      padding: 16px;
      border-bottom: 1px solid var(--line);
      transition: background .18s ease;
    }

    .news-item:hover {
      background: rgba(255,255,255,.055);
    }

    .news-item:last-child { border-bottom: 0; }
    .news-date {
      color: var(--accent);
      font-weight: 1000;
      font-size: 13px;
    }

    .news-title {
      min-width: 0;
      font-weight: 950;
      line-height: 1.35;
      overflow-wrap: anywhere;
    }

    .news-more {
      color: var(--muted);
      font-size: 13px;
      font-weight: 850;
      text-align: right;
    }

    .recommend-panel {
      padding: 18px;
      background:
        linear-gradient(135deg, rgba(255,36,95,.16), transparent 52%),
        rgba(255,255,255,.045);
    }

    .recommend-panel h3,
    .app-panel h3,
    .faq-card h3 {
      margin: 0 0 10px;
      font-size: 20px;
      font-weight: 1000;
    }

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

    .secure-band {
      display: grid;
      grid-template-columns: repeat(5, minmax(0, 1fr));
      gap: 10px;
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: linear-gradient(90deg, rgba(255,36,95,.13), rgba(255,176,0,.1));
    }

    .secure-item {
      display: flex;
      gap: 10px;
      align-items: center;
      min-width: 0;
      padding: 13px;
      border-radius: 8px;
      background: rgba(9,9,11,.55);
    }

    .icon-box {
      flex: 0 0 auto;
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 7px;
      color: #120900;
      background: var(--accent);
      font-weight: 1000;
    }

    .secure-item b {
      display: block;
      font-size: 14px;
      line-height: 1.25;
    }

    .secure-item span {
      display: block;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.35;
    }

    .cta-banner {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
      padding: 28px;
      border: 1px solid rgba(255,255,255,.18);
      border-radius: 8px;
      background:
        linear-gradient(120deg, rgba(255,36,95,.9), rgba(255,106,24,.84)),
        #1a0b10;
      box-shadow: var(--shadow-hot);
    }

    .cta-banner::after {
      content: "限时";
      position: absolute;
      right: 24px;
      top: -10px;
      color: rgba(255,255,255,.18);
      font-size: 96px;
      line-height: 1;
      font-weight: 1000;
    }

    .cta-banner h2 {
      position: relative;
      margin: 0;
      font-size: clamp(25px, 3vw, 38px);
      line-height: 1.2;
      font-weight: 1000;
    }

    .cta-banner p {
      position: relative;
      max-width: 680px;
      margin: 10px 0 0;
      color: rgba(255,255,255,.88);
    }

    .cta-actions {
      position: relative;
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .btn-light {
      color: #150900;
      background: #fff;
      box-shadow: 0 14px 30px rgba(0,0,0,.22);
    }

    .btn-light:hover,
    .btn-light:focus-visible {
      transform: translateY(-2px);
      outline: none;
    }

    .app-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .app-panel {
      padding: 20px;
    }

    .device-frame {
      min-height: 250px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background:
        linear-gradient(135deg, rgba(255,176,0,.14), transparent 45%),
        rgba(255,255,255,.045);
    }

    .screen {
      height: 100%;
      min-height: 210px;
      padding: 16px;
      border-radius: 8px;
      background: #0b0b0f;
      border: 1px solid rgba(255,255,255,.14);
    }

    .screen-row {
      display: grid;
      grid-template-columns: 1fr 72px;
      gap: 10px;
      align-items: center;
      padding: 12px 0;
      border-bottom: 1px solid var(--line);
    }

    .screen-line {
      height: 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.16);
    }

    .screen-line.hot {
      background: linear-gradient(90deg, var(--primary), var(--accent));
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .faq-card {
      padding: 18px;
    }

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

    .site-footer {
      padding: 42px 0 96px;
      border-top: 1px solid var(--line);
      background: rgba(0,0,0,.28);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 24px;
      align-items: start;
    }

    .footer-title {
      margin: 14px 0 0;
      color: var(--muted);
      max-width: 520px;
      font-size: 14px;
    }

    .footer-col h3 {
      margin: 0 0 12px;
      font-size: 15px;
      font-weight: 1000;
    }

    .footer-col a,
    .footer-col span {
      display: block;
      margin-top: 9px;
      color: var(--muted);
      font-size: 14px;
      transition: color .18s ease;
    }

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

    .copyright {
      margin-top: 28px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
      color: #858b99;
      font-size: 13px;
    }

    .bottom-tabs {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 60;
      display: none;
      padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
      border-top: 1px solid var(--line);
      background: rgba(9, 9, 11, .94);
      backdrop-filter: blur(16px);
    }

    .tab-inner {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 8px;
      width: min(520px, 100%);
      margin: 0 auto;
    }

    .tab-link {
      display: grid;
      place-items: center;
      gap: 3px;
      min-height: 54px;
      padding: 6px 4px;
      border-radius: 8px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 850;
    }

    .tab-link svg {
      width: 20px;
      height: 20px;
    }

    .tab-link.active {
      color: #fff;
      background: rgba(255,36,95,.18);
      box-shadow: inset 0 0 0 1px rgba(255,36,95,.55);
    }

    @media (max-width: 1024px) {
      .hero-inner,
      .milestone-wrap,
      .news-layout,
      .app-grid {
        grid-template-columns: 1fr;
      }

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

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

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

    @media (max-width: 768px) {
      .desktop-nav { display: none; }
      .nav-wrap { display: none; }
      .mobile-top { display: flex; }
      .bottom-tabs { display: block; }
      .section { padding: 52px 0; }
      .hero { padding: 24px 0 44px; }
      .hero-inner { padding: 22px; }
      .trust-row,
      .reviews-scroll,
      .faq-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .section-head {
        display: block;
      }

      .rank-row {
        grid-template-columns: 42px 1fr 62px;
      }

      .rank-row .metric:last-child,
      .rank-row.header .metric:last-child {
        display: none;
      }

      .news-item {
        grid-template-columns: 1fr;
        gap: 6px;
      }

      .news-more {
        text-align: left;
      }

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

      .cta-actions {
        justify-content: stretch;
      }

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

    @media (max-width: 520px) {
      .site-container {
        width: min(100% - 32px, var(--container));
      }

      .grid-cards,
      .secure-band {
        grid-template-columns: 1fr;
      }

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

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

      .deal-title {
        max-width: none;
        padding-right: 74px;
        font-size: 21px;
      }

      .burst {
        width: 66px;
        height: 66px;
        font-size: 12px;
      }

      .brand-name {
        max-width: 210px;
      }
    }

/* roulang page: category1 */
:root{
      --bg:#09090d;
      --bg-2:#111119;
      --panel:#161620;
      --panel-2:#1f1f2b;
      --text:#f7f7fb;
      --muted:#b7b7c6;
      --weak:#7f8191;
      --line:rgba(255,255,255,.12);
      --line-strong:rgba(255,255,255,.2);
      --red:#ff264f;
      --red-2:#ff4770;
      --amber:#ffb21f;
      --orange:#ff6a1a;
      --green:#31d67b;
      --radius:8px;
      --radius-lg:14px;
      --shadow:0 18px 50px rgba(0,0,0,.42);
      --hard-shadow:8px 8px 0 rgba(255,38,79,.18);
      --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:var(--font);
      color:var(--text);
      line-height:1.7;
      background:
        radial-gradient(circle at 18% 0%, rgba(255,38,79,.20), transparent 32%),
        radial-gradient(circle at 82% 12%, rgba(255,178,31,.12), transparent 30%),
        linear-gradient(135deg, rgba(255,255,255,.035) 0 1px, transparent 1px 18px),
        var(--bg);
      overflow-x:hidden;
      padding-bottom:0;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:var(--red);color:white}
    :focus-visible{outline:3px solid rgba(255,178,31,.75);outline-offset:3px}
    .site-container{width:min(1200px,calc(100% - 32px));margin-inline:auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(9,9,13,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }
    .nav-wrap{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:11px;
      min-width:0;
    }
    .brand-mark{
      width:40px;
      height:40px;
      display:grid;
      place-items:center;
      color:#14080b;
      font-weight:950;
      border-radius:10px;
      background:linear-gradient(135deg,var(--amber),#fff06a 45%,var(--red) 100%);
      box-shadow:0 0 0 2px rgba(255,255,255,.12), 0 10px 24px rgba(255,38,79,.28);
      position:relative;
    }
    .brand-mark:after{
      content:"01";
      position:absolute;
      right:-8px;
      top:-7px;
      font-size:10px;
      line-height:1;
      padding:3px 4px;
      color:white;
      background:var(--red);
      border:1px solid rgba(255,255,255,.28);
      border-radius:5px;
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
    .brand-name{font-size:18px;font-weight:950;letter-spacing:.01em;white-space:nowrap}
    .brand-tag{font-size:12px;color:var(--muted);margin-top:3px}
    .desktop-nav{display:flex;align-items:center;gap:8px}
    .nav-link{
      position:relative;
      padding:10px 14px;
      border:1px solid transparent;
      border-radius:999px;
      color:#d9d9e6;
      font-size:14px;
      font-weight:700;
      transition:.22s ease;
    }
    .nav-link:hover{
      color:white;
      background:rgba(255,255,255,.06);
      border-color:var(--line);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:white;
      background:linear-gradient(135deg,var(--red),var(--orange));
      box-shadow:0 10px 24px rgba(255,38,79,.28);
    }
    .mobile-top{display:none}
    .pill{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:30px;
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:900;
      border:1px solid var(--line);
      color:#fff;
      background:rgba(255,255,255,.06);
      white-space:nowrap;
    }
    .pill.hot{background:rgba(255,178,31,.14);border-color:rgba(255,178,31,.35);color:#ffe2a1}
    .pill.red{background:rgba(255,38,79,.16);border-color:rgba(255,38,79,.36);color:#ffc1cb}
    .pill.green{background:rgba(49,214,123,.14);border-color:rgba(49,214,123,.35);color:#b9ffd6}
    .section{padding:58px 0}
    .section-tight{padding:34px 0}
    .category-head{
      position:relative;
      padding:44px 0 28px;
      overflow:hidden;
      border-bottom:1px solid var(--line);
    }
    .category-head:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(120deg, rgba(255,38,79,.24), transparent 35%),
        repeating-linear-gradient(115deg, transparent 0 18px, rgba(255,255,255,.035) 18px 20px);
      pointer-events:none;
    }
    .category-layout{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.2fr) 360px;
      gap:28px;
      align-items:stretch;
    }
    .eyebrow{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:14px;
    }
    .eyebrow .code{
      font-weight:950;
      color:#120a0d;
      background:var(--amber);
      padding:3px 8px;
      border-radius:6px;
      box-shadow:4px 4px 0 rgba(255,38,79,.35);
    }
    h1{
      margin:0;
      font-size:clamp(30px,5vw,56px);
      line-height:1.08;
      letter-spacing:-.03em;
      font-weight:950;
    }
    .lead{
      margin:16px 0 0;
      max-width:820px;
      color:#d8d8e6;
      font-size:17px;
    }
    .head-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
    .btn{
      min-height:46px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:12px 18px;
      border-radius:8px;
      border:1px solid transparent;
      font-weight:950;
      transition:.22s ease;
      user-select:none;
      white-space:nowrap;
    }
    .btn-primary{
      color:white;
      background:linear-gradient(135deg,var(--red),var(--orange));
      box-shadow:0 14px 30px rgba(255,38,79,.32);
    }
    .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 18px 42px rgba(255,38,79,.42)}
    .btn-secondary{
      color:white;
      background:rgba(255,255,255,.06);
      border-color:var(--line-strong);
    }
    .btn-secondary:hover{transform:translateY(-2px);background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.32)}
    .promo-board{
      background:linear-gradient(180deg,rgba(31,31,43,.96),rgba(16,16,24,.96));
      border:1px solid var(--line-strong);
      border-radius:var(--radius-lg);
      padding:18px;
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .promo-board:after{
      content:"精选";
      position:absolute;
      right:-28px;
      top:18px;
      width:120px;
      text-align:center;
      transform:rotate(35deg);
      background:var(--amber);
      color:#15110a;
      font-size:13px;
      font-weight:950;
      padding:4px 0;
    }
    .countdown{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
    .time-box{
      padding:10px 8px;
      text-align:center;
      border-radius:8px;
      background:#0d0d14;
      border:1px solid rgba(255,178,31,.28);
    }
    .time-box strong{display:block;font-size:24px;line-height:1;color:var(--amber);font-weight:950}
    .time-box span{font-size:12px;color:var(--muted)}
    .board-list{display:grid;gap:10px;margin-top:16px}
    .board-item{
      display:flex;
      justify-content:space-between;
      gap:14px;
      padding:10px 12px;
      border-radius:8px;
      background:rgba(255,255,255,.055);
      border:1px solid var(--line);
      color:#ededf5;
      font-size:14px;
    }
    .board-item b{color:#fff}
    .filter-bar{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      padding:16px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:rgba(22,22,32,.82);
      box-shadow:0 12px 34px rgba(0,0,0,.22);
    }
    .filter-label{color:#fff;font-weight:950;margin-right:4px}
    .chip{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:7px 12px;
      border-radius:999px;
      border:1px solid var(--line);
      background:#111119;
      color:#d6d6e3;
      font-size:13px;
      font-weight:800;
      transition:.2s ease;
    }
    .chip:hover,.chip.active{
      color:#fff;
      border-color:rgba(255,38,79,.65);
      background:rgba(255,38,79,.18);
      transform:translateY(-1px);
    }
    .grid-main{
      display:grid;
      grid-template-columns:minmax(0,1fr) 320px;
      gap:22px;
      align-items:start;
      margin-top:22px;
    }
    .shelf-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .card{
      position:relative;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(31,31,43,.94),rgba(17,17,25,.94));
      box-shadow:0 14px 36px rgba(0,0,0,.25);
      transition:.22s ease;
      overflow:hidden;
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:rgba(255,38,79,.5);
      box-shadow:0 22px 52px rgba(0,0,0,.36), var(--hard-shadow);
    }
    .package-card{padding:20px}
    .rank{
      position:absolute;
      right:14px;
      top:14px;
      font-size:34px;
      line-height:1;
      font-weight:950;
      color:rgba(255,255,255,.08);
    }
    .corner-badge{
      display:inline-flex;
      align-items:center;
      padding:4px 8px;
      border-radius:6px;
      background:rgba(255,178,31,.16);
      color:#ffe0a1;
      border:1px solid rgba(255,178,31,.28);
      font-size:12px;
      font-weight:950;
    }
    .package-card h2{
      margin:14px 0 6px;
      font-size:22px;
      line-height:1.25;
      font-weight:950;
      padding-right:38px;
    }
    .package-card p{margin:0;color:var(--muted);font-size:14px}
    .points{display:grid;gap:8px;margin:16px 0;padding:0;list-style:none}
    .points li{
      display:flex;
      gap:8px;
      color:#ececf4;
      font-size:14px;
    }
    .points li:before{content:"◆";color:var(--red);font-size:12px;margin-top:2px}
    .deal-row{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:12px;
      margin-top:18px;
      padding-top:14px;
      border-top:1px solid var(--line);
    }
    .price{font-weight:950;font-size:25px;color:#fff}
    .price small{font-size:12px;color:var(--weak);font-weight:700;margin-left:4px}
    .mini-btn{
      min-height:40px;
      padding:9px 12px;
      border-radius:8px;
      background:var(--red);
      color:white;
      font-size:13px;
      font-weight:950;
      transition:.2s ease;
    }
    .mini-btn:hover{filter:brightness(1.08);transform:translateY(-1px)}
    .side-stack{display:grid;gap:16px}
    .recommend-box,.notice-box{
      padding:18px;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(31,31,43,.98),rgba(14,14,21,.98));
      box-shadow:0 14px 34px rgba(0,0,0,.25);
    }
    .recommend-box h2,.notice-box h2,.section-title{
      margin:0;
      font-size:24px;
      line-height:1.25;
      font-weight:950;
    }
    .rec-score{
      margin:16px 0;
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:14px;
      border-radius:10px;
      background:linear-gradient(135deg,rgba(255,38,79,.18),rgba(255,178,31,.12));
      border:1px solid rgba(255,38,79,.28);
    }
    .rec-score strong{font-size:34px;color:var(--amber);font-weight:950;line-height:1}
    .rec-score span{font-size:13px;color:var(--muted)}
    .metric-list{display:grid;gap:10px;margin-top:12px}
    .metric{
      display:grid;
      grid-template-columns:86px 1fr;
      gap:10px;
      align-items:center;
      font-size:13px;
      color:#dedee8;
    }
    .bar{height:8px;border-radius:999px;background:#0c0c12;overflow:hidden;border:1px solid var(--line)}
    .bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--red),var(--amber))}
    .notice-box p{color:var(--muted);font-size:14px;margin:10px 0 0}
    .guarantee{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:12px;
    }
    .guarantee-item{
      padding:16px;
      border-radius:var(--radius);
      background:#12121a;
      border:1px solid var(--line);
      min-height:116px;
      transition:.2s ease;
    }
    .guarantee-item:hover{border-color:rgba(255,178,31,.38);transform:translateY(-2px)}
    .icon-box{
      width:36px;
      height:36px;
      display:grid;
      place-items:center;
      border-radius:8px;
      background:rgba(255,38,79,.18);
      color:#fff;
      margin-bottom:10px;
      font-weight:950;
    }
    .guarantee-item h3{margin:0 0 4px;font-size:16px;font-weight:950}
    .guarantee-item p{margin:0;color:var(--muted);font-size:13px}
    .faq-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
      margin-top:22px;
    }
    .faq-item{
      padding:18px;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:rgba(22,22,32,.88);
    }
    .faq-item h3{
      margin:0 0 8px;
      font-size:17px;
      font-weight:950;
      color:#fff;
    }
    .faq-item p{margin:0;color:var(--muted);font-size:14px}
    .cta-band{
      position:relative;
      overflow:hidden;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.18);
      background:
        linear-gradient(115deg,rgba(255,38,79,.95),rgba(255,106,26,.88) 48%,rgba(255,178,31,.9));
      color:#fff;
      padding:28px;
      box-shadow:0 24px 70px rgba(255,38,79,.28);
    }
    .cta-band:before{
      content:"限时";
      position:absolute;
      right:24px;
      top:18px;
      width:74px;
      height:74px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:#0c0c12;
      color:var(--amber);
      border:2px dashed rgba(255,255,255,.38);
      font-weight:950;
      transform:rotate(12deg);
    }
    .cta-content{max-width:760px}
    .cta-band h2{margin:0;font-size:clamp(25px,4vw,42px);line-height:1.15;font-weight:950}
    .cta-band p{margin:10px 0 0;color:rgba(255,255,255,.9);max-width:680px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
    .cta-band .btn-primary{background:#0b0b10;color:#fff;box-shadow:0 14px 32px rgba(0,0,0,.28)}
    .cta-band .btn-secondary{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.35)}
    .site-footer{
      margin-top:36px;
      padding:42px 0 24px;
      border-top:1px solid var(--line);
      background:#07070a;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .9fr;
      gap:28px;
      align-items:start;
    }
    .footer-title{margin:16px 0 0;color:var(--muted);max-width:560px;font-size:14px}
    .footer-col{display:grid;gap:9px;color:var(--muted);font-size:14px}
    .footer-col h3{margin:0 0 4px;color:#fff;font-size:16px;font-weight:950}
    .footer-col a,.footer-col span{color:var(--muted);transition:.18s ease}
    .footer-col a:hover{color:#fff;transform:translateX(2px)}
    .copyright{
      margin-top:30px;
      padding-top:18px;
      border-top:1px solid var(--line);
      color:#8e8e9d;
      font-size:13px;
    }
    .mobile-tabs{
      display:none;
      position:fixed;
      left:0;
      right:0;
      bottom:0;
      z-index:60;
      padding:8px 12px calc(8px + env(safe-area-inset-bottom));
      background:rgba(9,9,13,.92);
      border-top:1px solid var(--line-strong);
      backdrop-filter:blur(18px);
    }
    .mobile-tabs-inner{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:8px;
      max-width:520px;
      margin:auto;
    }
    .tab-link{
      min-height:54px;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:3px;
      border-radius:12px;
      color:#bfc0cf;
      font-size:12px;
      font-weight:800;
      transition:.2s ease;
    }
    .tab-link svg{width:20px;height:20px}
    .tab-link.active{
      color:white;
      background:linear-gradient(135deg,rgba(255,38,79,.95),rgba(255,106,26,.9));
      box-shadow:0 8px 22px rgba(255,38,79,.26);
    }
    .tab-link:hover{background:rgba(255,255,255,.08);color:#fff}
    @media (max-width:1024px){
      .category-layout,.grid-main{grid-template-columns:1fr}
      .promo-board{max-width:620px}
      .guarantee{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      body{padding-bottom:86px}
      .nav-wrap{display:none}
      .mobile-top{
        min-height:64px;
        display:flex;
        align-items:center;
        justify-content:space-between;
        gap:14px;
      }
      .mobile-tabs{display:block}
      .section{padding:42px 0}
      .category-head{padding:28px 0 22px}
      .lead{font-size:15px}
      .head-actions .btn{width:100%}
      .shelf-grid,.faq-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .cta-band{padding:24px 18px 96px}
      .cta-band:before{right:18px;bottom:18px;top:auto}
      .cta-actions .btn{width:100%}
    }
    @media (max-width:520px){
      .site-container{width:min(100% - 28px,1200px)}
      .brand-name{font-size:15px}
      .brand-tag{font-size:11px}
      .brand-mark{width:36px;height:36px}
      .filter-bar{padding:13px}
      .chip{font-size:12px}
      .package-card{padding:17px}
      .deal-row{align-items:stretch;flex-direction:column}
      .mini-btn{width:100%;text-align:center}
      .guarantee{grid-template-columns:1fr}
      .countdown{gap:8px}
      .time-box strong{font-size:20px}
    }

/* roulang page: category2 */
:root{
      --bg:#07070a;
      --bg-soft:#0d0d13;
      --panel:#12121a;
      --panel-2:#181824;
      --text:#f7f7fb;
      --muted:#a9a9b6;
      --weak:#777887;
      --line:#2a2b35;
      --primary:#ff174f;
      --primary-2:#ff2d78;
      --accent:#ffb000;
      --accent-2:#ff6b00;
      --ok:#38f29b;
      --radius:8px;
      --radius-lg:14px;
      --shadow:0 18px 55px rgba(0,0,0,.42);
      --shadow-hot:0 12px 34px rgba(255,23,79,.25);
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 15% 2%, rgba(255,23,79,.22), transparent 32%),
        radial-gradient(circle at 88% 14%, rgba(255,176,0,.12), transparent 28%),
        linear-gradient(135deg, rgba(255,255,255,.035) 0 1px, transparent 1px 18px),
        var(--bg);
      line-height:1.7;
      overflow-x:hidden;
      padding-bottom:0;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(110deg, transparent 0 22%, rgba(255,255,255,.045) 22.2%, transparent 22.7% 46%, rgba(255,23,79,.045) 46.2%, transparent 47%),
        linear-gradient(180deg, rgba(255,255,255,.04), transparent 260px);
      opacity:.65;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button,a{transition:color .18s ease, background .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease, opacity .18s ease}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
      outline:2px solid var(--accent);
      outline-offset:3px;
    }
    .site-container{width:min(var(--container), calc(100% - 32px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      background:rgba(7,7,10,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.08);
      box-shadow:0 12px 30px rgba(0,0,0,.22);
    }
    .nav-wrap{
      min-height:72px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{display:inline-flex;align-items:center;gap:10px;min-width:0}
    .brand-mark{
      width:42px;height:42px;border-radius:10px;
      display:grid;place-items:center;
      color:#160006;
      font-weight:950;
      background:linear-gradient(135deg,var(--accent),var(--primary));
      box-shadow:0 10px 24px rgba(255,23,79,.28);
      border:1px solid rgba(255,255,255,.18);
      position:relative;
    }
    .brand-mark:after{
      content:"02";
      position:absolute;
      right:-8px;top:-7px;
      font-size:10px;
      color:#fff;
      background:#111;
      border:1px solid var(--accent);
      border-radius:999px;
      padding:0 5px;
      line-height:16px;
      font-weight:800;
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.18;min-width:0}
    .brand-name{font-weight:950;font-size:18px;white-space:nowrap;letter-spacing:.01em}
    .brand-tag{font-size:12px;color:var(--muted);margin-top:3px}
    .desktop-nav{display:flex;align-items:center;gap:8px}
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      min-height:42px;
      padding:0 16px;
      border-radius:999px;
      color:#dedee8;
      font-weight:750;
      font-size:14px;
      border:1px solid transparent;
    }
    .nav-link:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.1);color:#fff;transform:translateY(-1px)}
    .nav-link.active{
      background:linear-gradient(135deg,rgba(255,23,79,.98),rgba(255,45,120,.88));
      color:#fff;
      box-shadow:var(--shadow-hot);
    }
    .mobile-top{display:none}
    .mobile-tab{
      display:none;
      position:fixed;
      left:0;right:0;bottom:0;
      z-index:80;
      padding:8px 12px calc(8px + env(safe-area-inset-bottom));
      background:rgba(7,7,10,.94);
      border-top:1px solid rgba(255,255,255,.1);
      backdrop-filter:blur(18px);
    }
    .tab-inner{
      width:min(520px,100%);
      margin:0 auto;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:8px;
    }
    .tab-item{
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:4px;
      min-height:56px;
      color:#bdbdcc;
      border-radius:14px;
      font-size:12px;
      font-weight:800;
      border:1px solid transparent;
    }
    .tab-item svg{width:19px;height:19px}
    .tab-item.active{
      color:#fff;
      background:linear-gradient(180deg,rgba(255,23,79,.24),rgba(255,23,79,.08));
      border-color:rgba(255,23,79,.45);
    }
    .pill{
      display:inline-flex;align-items:center;gap:6px;
      border-radius:999px;
      padding:6px 10px;
      font-size:12px;
      font-weight:850;
      color:#fff;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.06);
      white-space:nowrap;
    }
    .pill.hot{background:rgba(255,176,0,.14);color:#ffd27a;border-color:rgba(255,176,0,.32)}
    .section{padding:74px 0}
    .section-tight{padding:46px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(255,176,0,.35);
      background:rgba(255,176,0,.09);
      color:#ffd27a;
      font-size:13px;
      font-weight:900;
    }
    .page-head{
      position:relative;
      padding:54px 0 34px;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .page-head:after{
      content:"";
      position:absolute;
      left:0;right:0;bottom:0;height:3px;
      background:linear-gradient(90deg,var(--primary),var(--accent),transparent 70%);
      opacity:.9;
    }
    .title-xl{
      margin:18px 0 14px;
      font-size:clamp(32px,5.2vw,58px);
      line-height:1.05;
      letter-spacing:-.02em;
      font-weight:950;
    }
    .lead{max-width:820px;color:#d4d4df;font-size:17px;line-height:1.82}
    .head-board{
      background:linear-gradient(135deg,rgba(18,18,26,.96),rgba(24,24,36,.72));
      border:1px solid rgba(255,255,255,.1);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:18px;
      position:relative;
      overflow:hidden;
    }
    .head-board:before{
      content:"";
      position:absolute;
      inset:-50px -70px auto auto;
      width:180px;height:180px;
      background:radial-gradient(circle, rgba(255,23,79,.32), transparent 70%);
    }
    .count-ring{
      width:118px;height:118px;border-radius:50%;
      display:grid;place-items:center;
      margin-left:auto;
      background:
        conic-gradient(var(--primary) 0 72%, rgba(255,255,255,.1) 72% 100%);
      position:relative;
      box-shadow:0 0 0 8px rgba(255,23,79,.08);
    }
    .count-ring:after{
      content:"";
      position:absolute;
      inset:10px;border-radius:50%;
      background:#111119;
      border:1px solid rgba(255,255,255,.1);
    }
    .count-ring strong,.count-ring span{position:relative;z-index:1}
    .count-ring strong{font-size:24px;line-height:1;font-weight:950}
    .count-ring span{font-size:12px;color:var(--muted);font-weight:800}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;
      padding:0 18px;
      border-radius:8px;
      border:1px solid transparent;
      font-weight:950;
      cursor:pointer;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:var(--shadow-hot);
    }
    .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 18px 42px rgba(255,23,79,.34)}
    .btn-secondary{
      color:#fff;
      border-color:rgba(255,255,255,.18);
      background:rgba(255,255,255,.055);
    }
    .btn-secondary:hover{background:rgba(255,255,255,.1);border-color:rgba(255,176,0,.42);transform:translateY(-2px)}
    .card{
      background:linear-gradient(180deg,rgba(24,24,36,.92),rgba(14,14,20,.96));
      border:1px solid rgba(255,255,255,.1);
      border-radius:var(--radius-lg);
      box-shadow:0 14px 42px rgba(0,0,0,.28);
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
    }
    .card:hover{transform:translateY(-4px);border-color:rgba(255,23,79,.42);box-shadow:0 22px 52px rgba(0,0,0,.36)}
    .scene-card{
      min-height:230px;
      padding:24px;
      position:relative;
      overflow:hidden;
    }
    .scene-card:before{
      content:attr(data-no);
      position:absolute;
      right:14px;top:5px;
      font-size:72px;
      line-height:1;
      font-weight:950;
      color:rgba(255,255,255,.055);
    }
    .scene-icon{
      width:44px;height:44px;border-radius:12px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(255,176,0,.22),rgba(255,23,79,.18));
      border:1px solid rgba(255,176,0,.28);
      color:#ffd27a;
      margin-bottom:18px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:5px 9px;
      font-size:12px;
      font-weight:850;
      background:rgba(255,255,255,.07);
      color:#e8e8f0;
      border:1px solid rgba(255,255,255,.12);
    }
    .tag.red{background:rgba(255,23,79,.14);border-color:rgba(255,23,79,.3);color:#ff9ab5}
    .tag.amber{background:rgba(255,176,0,.12);border-color:rgba(255,176,0,.3);color:#ffd27a}
    .table-wrap{
      overflow-x:auto;
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,255,255,.1);
      box-shadow:var(--shadow);
      background:#101018;
    }
    .compare-table{width:100%;border-collapse:separate;border-spacing:0;min-width:820px}
    .compare-table th,.compare-table td{
      padding:18px;
      border-bottom:1px solid rgba(255,255,255,.08);
      border-right:1px solid rgba(255,255,255,.06);
      vertical-align:top;
      text-align:left;
    }
    .compare-table th{
      color:#fff;
      font-size:15px;
      background:#181824;
      font-weight:950;
    }
    .compare-table td{color:#d7d7e2;font-size:14px}
    .compare-table tr:last-child td{border-bottom:0}
    .compare-table .picked{
      background:linear-gradient(180deg,rgba(255,23,79,.18),rgba(255,23,79,.05));
      box-shadow:inset 3px 0 0 var(--primary);
    }
    .mini-meter{
      display:flex;
      align-items:center;
      gap:8px;
      margin-top:7px;
    }
    .mini-meter i{
      display:block;height:7px;border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--accent));
    }
    .recommend-item{
      display:grid;
      grid-template-columns:86px 1fr auto;
      gap:18px;
      align-items:center;
      padding:18px;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .recommend-item:last-child{border-bottom:0}
    .rank{
      width:58px;height:58px;border-radius:14px;
      display:grid;place-items:center;
      background:#0c0c12;
      border:1px solid rgba(255,176,0,.3);
      color:#ffd27a;
      font-size:24px;
      font-weight:950;
      box-shadow:inset 0 0 20px rgba(255,176,0,.08);
    }
    .notice-strip{
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,176,0,.22);
      background:
        linear-gradient(135deg,rgba(255,176,0,.13),rgba(255,23,79,.1)),
        #12121a;
      padding:18px;
    }
    .faq-item{
      border:1px solid rgba(255,255,255,.1);
      border-radius:var(--radius);
      background:rgba(18,18,26,.8);
      padding:18px 20px;
    }
    .faq-item h3{font-size:16px;font-weight:950;margin:0 0 8px;color:#fff}
    .faq-item p{margin:0;color:#c5c5d0;font-size:14px}
    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:18px;
      padding:32px;
      border:1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(115deg,rgba(255,23,79,.9),rgba(255,107,0,.78) 48%,rgba(15,15,22,.98) 49%),
        #15151f;
      box-shadow:0 24px 64px rgba(255,23,79,.18);
    }
    .cta-panel:before{
      content:"限时";
      position:absolute;
      right:24px;top:22px;
      width:76px;height:76px;border-radius:50%;
      display:grid;place-items:center;
      background:#111;
      color:#ffd27a;
      border:2px dashed rgba(255,176,0,.7);
      font-weight:950;
      transform:rotate(10deg);
    }
    .site-footer{
      padding:46px 0 26px;
      background:#060608;
      border-top:1px solid rgba(255,255,255,.08);
      margin-top:34px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr .8fr 1fr;
      gap:34px;
      align-items:start;
    }
    .footer-title{margin:18px 0 0;color:#a9a9b6;max-width:560px;font-size:14px}
    .footer-col{display:flex;flex-direction:column;gap:10px;color:#bfc0cc;font-size:14px}
    .footer-col h3{margin:0 0 4px;color:#fff;font-size:15px;font-weight:950}
    .footer-col a:hover{color:#fff;transform:translateX(2px)}
    .copyright{
      margin-top:30px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.08);
      color:#777887;
      font-size:13px;
    }
    @media (max-width:1024px){
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
      .recommend-item{grid-template-columns:70px 1fr}
      .recommend-item .btn{grid-column:2}
    }
    @media (max-width:768px){
      body{padding-bottom:86px}
      .nav-wrap{display:none}
      .mobile-top{min-height:62px;display:flex;align-items:center;justify-content:space-between;gap:14px}
      .mobile-tab{display:block}
      .brand-mark{width:38px;height:38px}
      .brand-name{font-size:16px}
      .brand-tag{font-size:11px}
      .page-head{padding:34px 0 26px}
      .section{padding:48px 0}
      .section-tight{padding:34px 0}
      .head-board{margin-top:22px}
      .count-ring{margin:0;width:104px;height:104px}
      .scene-card{min-height:auto}
      .cta-panel{padding:26px 20px;background:linear-gradient(160deg,rgba(255,23,79,.9),rgba(255,107,0,.72) 58%,#15151f 59%)}
      .cta-panel:before{right:14px;top:14px;width:58px;height:58px;font-size:14px}
      .footer-grid{grid-template-columns:1fr}
      .recommend-item{grid-template-columns:54px 1fr;gap:12px;padding:16px}
      .rank{width:48px;height:48px;font-size:20px}
      .btn{width:100%}
    }
    @media (max-width:520px){
      .site-container{width:min(100% - 28px,var(--container))}
      .title-xl{font-size:32px}
      .lead{font-size:15px}
      .compare-table{min-width:720px}
      .tab-item{font-size:11px}
      .tab-item svg{width:18px;height:18px}
    }