/* roulang page: index */
:root {
      --primary: #0f5fff;
      --primary-dark: #083ab8;
      --primary-soft: #eaf2ff;
      --secondary: #11b7d7;
      --accent: #ffb545;
      --accent-strong: #ff7a1a;
      --dark: #071225;
      --dark-2: #0d1d37;
      --text: #172033;
      --muted: #65738a;
      --light-muted: #a9b6cb;
      --bg: #f6f9ff;
      --surface: #ffffff;
      --surface-2: #f1f6ff;
      --border: #dce6f5;
      --shadow-sm: 0 8px 24px rgba(15, 95, 255, 0.08);
      --shadow-md: 0 16px 48px rgba(12, 35, 72, 0.12);
      --shadow-lg: 0 28px 90px rgba(7, 18, 37, 0.22);
      --radius-sm: 12px;
      --radius-md: 20px;
      --radius-lg: 30px;
      --radius-xl: 40px;
      --container: 1180px;
      --section: 92px;
      --ease: 180ms ease;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      text-size-adjust: 100%;
    }

    body {
      min-height: 100vh;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 10% 0%, rgba(17, 183, 215, 0.12), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, var(--bg) 44%, #ffffff 100%);
      line-height: 1.7;
      overflow-x: hidden;
    }

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

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

    button, input, textarea, select {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
      background: transparent;
    }

    input, textarea {
      width: 100%;
      border: 1px solid var(--border);
      background: #fff;
      color: var(--text);
      outline: none;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    input:focus, textarea:focus, button:focus-visible, a:focus-visible {
      outline: 3px solid rgba(15, 95, 255, 0.2);
      outline-offset: 3px;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(220, 230, 245, 0.82);
      box-shadow: 0 10px 30px rgba(7, 18, 37, 0.05);
    }

    .brand-row {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 22px;
      align-items: center;
      padding: 16px 0 12px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: max-content;
      font-weight: 900;
      letter-spacing: -0.02em;
      color: var(--dark);
      font-size: 22px;
    }

    .brand-mark {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      color: #fff;
      border-radius: 16px;
      background:
        linear-gradient(135deg, var(--primary), var(--secondary)),
        var(--primary);
      box-shadow: 0 12px 28px rgba(15, 95, 255, 0.24);
      position: relative;
      overflow: hidden;
      font-size: 15px;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 8px 9px;
      border: 2px solid rgba(255, 255, 255, 0.72);
      border-left-style: dashed;
      border-right-style: dashed;
      border-radius: 7px;
    }

    .search-box {
      max-width: 450px;
      justify-self: end;
      width: 100%;
      position: relative;
    }

    .search-box input {
      height: 46px;
      border-radius: 999px;
      padding: 0 48px 0 18px;
      background: #f7faff;
    }

    .search-box input:hover {
      border-color: rgba(15, 95, 255, 0.34);
      background: #fff;
    }

    .search-box button {
      position: absolute;
      right: 7px;
      top: 7px;
      width: 32px;
      height: 32px;
      border-radius: 50%;
      color: #fff;
      background: var(--primary);
      display: grid;
      place-items: center;
      transition: transform var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .search-box button:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
      box-shadow: 0 10px 20px rgba(15, 95, 255, 0.18);
    }

    .header-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 18px;
      border-radius: 999px;
      background: var(--dark);
      color: #fff;
      font-weight: 800;
      box-shadow: 0 12px 28px rgba(7, 18, 37, 0.16);
      white-space: nowrap;
    }

    .header-action:hover {
      background: var(--primary);
      transform: translateY(-1px);
    }

    .chip-nav-wrap {
      border-top: 1px solid rgba(220, 230, 245, 0.7);
    }

    .chip-nav {
      display: flex;
      gap: 10px;
      overflow-x: auto;
      padding: 11px 0 13px;
      scrollbar-width: none;
      -webkit-overflow-scrolling: touch;
    }

    .chip-nav::-webkit-scrollbar {
      display: none;
    }

    .nav-chip {
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 38px;
      padding: 0 18px;
      border: 1px solid var(--border);
      border-radius: 999px;
      background: #fff;
      color: var(--muted);
      font-weight: 800;
      font-size: 14px;
    }

    .nav-chip:hover {
      color: var(--primary);
      border-color: rgba(15, 95, 255, 0.35);
      box-shadow: var(--shadow-sm);
      transform: translateY(-1px);
    }

    .nav-chip.active {
      color: #fff;
      border-color: var(--primary);
      background: linear-gradient(135deg, var(--primary), #36a5ff);
      box-shadow: 0 12px 28px rgba(15, 95, 255, 0.22);
    }

    main {
      overflow: hidden;
    }

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

    .section.compact {
      padding: 62px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 0.95fr) minmax(260px, 0.55fr);
      gap: 32px;
      align-items: end;
      margin-bottom: 34px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      margin-bottom: 12px;
      padding: 7px 12px;
      border-radius: 999px;
      color: var(--primary-dark);
      background: var(--primary-soft);
      font-weight: 900;
      font-size: 13px;
    }

    .section-kicker::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--secondary);
      box-shadow: 0 0 0 5px rgba(17, 183, 215, 0.12);
    }

    .section-title {
      color: var(--dark);
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.14;
      letter-spacing: -0.03em;
      font-weight: 950;
    }

    .section-desc {
      color: var(--muted);
      font-size: 16px;
      max-width: 560px;
    }

    .hero {
      min-height: 650px;
      padding: 72px 0 58px;
      color: #fff;
      background:
        linear-gradient(90deg, rgba(7, 18, 37, 0.94) 0%, rgba(7, 18, 37, 0.72) 50%, rgba(7, 18, 37, 0.48) 100%),
        radial-gradient(circle at 82% 24%, rgba(255, 181, 69, 0.28), transparent 32%),
        radial-gradient(circle at 24% 16%, rgba(15, 95, 255, 0.42), transparent 28%),
        linear-gradient(135deg, #06101f 0%, #10294d 48%, #06101f 100%);
      position: relative;
      isolation: isolate;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -1;
      opacity: 0.16;
      background-image:
        linear-gradient(90deg, rgba(255,255,255,.16) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255,255,255,.12) 1px, transparent 1px);
      background-size: 72px 72px;
      mask-image: linear-gradient(180deg, black, transparent 82%);
    }

    .hero::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: -2px;
      height: 110px;
      background: linear-gradient(180deg, transparent, var(--bg));
      z-index: -1;
    }

    .hero-layout {
      display: grid;
      grid-template-columns: minmax(0, 0.96fr) minmax(360px, 0.74fr);
      gap: 54px;
      align-items: center;
    }

    .hero-copy {
      max-width: 760px;
    }

    .hero-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 24px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 34px;
      padding: 7px 12px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 900;
      border: 1px solid rgba(255,255,255,.18);
      background: rgba(255,255,255,.1);
      color: rgba(255,255,255,.9);
      backdrop-filter: blur(12px);
    }

    .badge.hot {
      color: #2c1700;
      background: linear-gradient(135deg, var(--accent), #ffe1a3);
      border-color: rgba(255, 181, 69, 0.58);
    }

    .badge.blue {
      color: #dfeeff;
      background: rgba(15, 95, 255, 0.22);
    }

    h1.hero-title {
      max-width: 800px;
      font-size: clamp(38px, 6vw, 72px);
      line-height: 1.04;
      letter-spacing: -0.055em;
      font-weight: 950;
      color: #fff;
    }

    .hero-lead {
      margin-top: 24px;
      max-width: 700px;
      color: rgba(232, 241, 255, 0.88);
      font-size: clamp(16px, 2vw, 19px);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 34px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 0 20px;
      border-radius: 999px;
      font-weight: 900;
      border: 1px solid transparent;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), color var(--ease), border-color var(--ease);
      user-select: none;
      white-space: nowrap;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), #2ea4ff);
      box-shadow: 0 16px 36px rgba(15, 95, 255, 0.28);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 22px 48px rgba(15, 95, 255, 0.34);
    }

    .btn-secondary {
      color: #fff;
      background: rgba(255,255,255,.12);
      border-color: rgba(255,255,255,.22);
      backdrop-filter: blur(14px);
    }

    .btn-secondary:hover {
      background: rgba(255,255,255,.2);
      transform: translateY(-2px);
    }

    .btn-light {
      background: #fff;
      color: var(--primary-dark);
      border-color: var(--border);
      box-shadow: var(--shadow-sm);
    }

    .btn-light:hover {
      color: #fff;
      background: var(--primary);
      border-color: var(--primary);
      transform: translateY(-2px);
      box-shadow: 0 18px 44px rgba(15, 95, 255, 0.22);
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
      margin-top: 42px;
      max-width: 680px;
    }

    .metric {
      padding: 18px;
      border-radius: 22px;
      background: rgba(255,255,255,.1);
      border: 1px solid rgba(255,255,255,.15);
      backdrop-filter: blur(16px);
    }

    .metric strong {
      display: block;
      color: #fff;
      font-size: 26px;
      line-height: 1;
      letter-spacing: -0.04em;
    }

    .metric span {
      display: block;
      margin-top: 8px;
      color: rgba(232, 241, 255, 0.76);
      font-size: 13px;
    }

    .poster-stage {
      position: relative;
      min-height: 500px;
    }

    .main-poster {
      position: relative;
      width: min(100%, 420px);
      min-height: 520px;
      margin-left: auto;
      border-radius: 36px;
      overflow: hidden;
      background:
        linear-gradient(180deg, rgba(7, 18, 37, 0.05), rgba(7, 18, 37, 0.82)),
        radial-gradient(circle at 50% 16%, rgba(255,255,255,.26), transparent 15%),
        linear-gradient(135deg, #2e66ff 0%, #09152c 45%, #0e2848 100%);
      box-shadow: var(--shadow-lg);
      border: 1px solid rgba(255,255,255,.18);
    }

    .main-poster::before {
      content: "";
      position: absolute;
      inset: 28px 28px auto;
      height: 220px;
      border-radius: 28px;
      background:
        radial-gradient(circle at 35% 38%, rgba(255, 181, 69, 0.92), transparent 12%),
        radial-gradient(circle at 64% 28%, rgba(17, 183, 215, 0.72), transparent 14%),
        linear-gradient(135deg, rgba(255,255,255,.22), rgba(255,255,255,.04));
      border: 1px solid rgba(255,255,255,.22);
    }

    .poster-content {
      position: absolute;
      left: 28px;
      right: 28px;
      bottom: 28px;
    }

    .poster-label {
      display: inline-flex;
      padding: 7px 12px;
      border-radius: 999px;
      color: #2c1700;
      background: linear-gradient(135deg, var(--accent), #ffe1a3);
      font-size: 13px;
      font-weight: 950;
      margin-bottom: 14px;
    }

    .poster-content h2 {
      color: #fff;
      font-size: 34px;
      line-height: 1.12;
      letter-spacing: -0.04em;
      margin-bottom: 12px;
    }

    .poster-content p {
      color: rgba(232, 241, 255, 0.82);
      font-size: 15px;
    }

    .poster-mini {
      position: absolute;
      display: grid;
      gap: 7px;
      padding: 14px;
      border-radius: 22px;
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.18);
      backdrop-filter: blur(18px);
      box-shadow: 0 20px 48px rgba(7, 18, 37, 0.22);
    }

    .poster-mini.one {
      left: 0;
      top: 52px;
      width: 160px;
    }

    .poster-mini.two {
      right: -10px;
      bottom: 96px;
      width: 180px;
    }

    .poster-mini strong {
      color: #fff;
      font-size: 17px;
    }

    .poster-mini span {
      color: rgba(232, 241, 255, 0.72);
      font-size: 13px;
    }

    .section.coupon-section {
      padding-top: 72px;
      background: var(--bg);
    }

    .coupon-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .coupon-card {
      position: relative;
      overflow: hidden;
      min-height: 210px;
      padding: 24px;
      border-radius: var(--radius-lg);
      background: var(--surface);
      border: 1px solid rgba(220, 230, 245, 0.9);
      box-shadow: var(--shadow-sm);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .coupon-card:hover {
      transform: translateY(-5px);
      border-color: rgba(15, 95, 255, 0.25);
      box-shadow: var(--shadow-md);
    }

    .coupon-card::before,
    .coupon-card::after {
      content: "";
      position: absolute;
      top: 84px;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: var(--bg);
      border: 1px solid var(--border);
      z-index: 1;
    }

    .coupon-card::before {
      left: -12px;
    }

    .coupon-card::after {
      right: -12px;
    }

    .coupon-top {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 16px;
      padding-bottom: 18px;
      margin-bottom: 18px;
      border-bottom: 1px dashed #cbd8ea;
    }

    .coupon-value {
      color: var(--primary);
      font-size: 34px;
      line-height: 1;
      font-weight: 950;
      letter-spacing: -0.05em;
    }

    .coupon-type {
      padding: 6px 10px;
      border-radius: 999px;
      color: var(--primary-dark);
      background: var(--primary-soft);
      font-size: 12px;
      font-weight: 900;
      white-space: nowrap;
    }

    .coupon-card h3 {
      color: var(--dark);
      font-size: 20px;
      line-height: 1.25;
      margin-bottom: 8px;
    }

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

    .coupon-action {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: 16px;
      color: var(--primary);
      font-weight: 900;
      font-size: 14px;
    }

    .coupon-action:hover {
      gap: 10px;
      color: var(--primary-dark);
    }

    .rules-wrap {
      display: grid;
      grid-template-columns: minmax(0, 0.72fr) minmax(320px, 0.5fr);
      gap: 24px;
      align-items: stretch;
    }

    .rules-panel,
    .notice-panel,
    .demo-panel,
    .card {
      border: 1px solid rgba(220, 230, 245, 0.92);
      background: rgba(255, 255, 255, 0.9);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
    }

    .rules-panel {
      padding: 30px;
    }

    .rule-list {
      display: grid;
      gap: 18px;
      list-style: none;
    }

    .rule-item {
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 14px;
      align-items: start;
      padding: 16px;
      border-radius: 20px;
      background: #f8fbff;
      border: 1px solid rgba(220, 230, 245, 0.8);
      transition: transform var(--ease), background var(--ease), border-color var(--ease);
    }

    .rule-item:hover {
      transform: translateX(4px);
      background: #fff;
      border-color: rgba(15, 95, 255, 0.22);
    }

    .rule-index {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      font-weight: 950;
      box-shadow: 0 10px 22px rgba(15, 95, 255, 0.18);
    }

    .rule-item h3 {
      color: var(--dark);
      font-size: 18px;
      margin-bottom: 4px;
    }

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

    .notice-panel {
      padding: 28px;
      background:
        radial-gradient(circle at 100% 0%, rgba(17, 183, 215, 0.16), transparent 36%),
        #fff;
    }

    .notice-panel h3 {
      color: var(--dark);
      font-size: 24px;
      line-height: 1.2;
      margin-bottom: 14px;
    }

    .notice-panel p {
      color: var(--muted);
      margin-bottom: 20px;
    }

    .notice-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 11px;
      border-radius: 999px;
      background: var(--surface-2);
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 850;
      border: 1px solid #d9e8ff;
    }

    .pain-line {
      padding: 20px 24px;
      margin-bottom: 24px;
      border-radius: var(--radius-md);
      color: var(--dark);
      background: linear-gradient(135deg, #fff7e7, #eff7ff);
      border: 1px solid #ffe0aa;
      font-weight: 900;
      box-shadow: var(--shadow-sm);
    }

    .demo-grid {
      display: grid;
      grid-template-columns: minmax(0, 0.65fr) minmax(280px, 0.45fr);
      gap: 22px;
      align-items: stretch;
    }

    .demo-panel {
      padding: 28px;
      position: relative;
      overflow: hidden;
      background:
        radial-gradient(circle at 12% 12%, rgba(15, 95, 255, 0.13), transparent 32%),
        #fff;
    }

    .demo-panel h3 {
      font-size: 24px;
      color: var(--dark);
      margin-bottom: 18px;
    }

    .demo-screen {
      border-radius: 26px;
      overflow: hidden;
      border: 1px solid #dbe7f7;
      background: #f7fbff;
      box-shadow: inset 0 1px 0 rgba(255,255,255,.9);
    }

    .demo-bar {
      height: 50px;
      padding: 0 16px;
      display: flex;
      align-items: center;
      gap: 8px;
      background: #fff;
      border-bottom: 1px solid var(--border);
    }

    .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #d8e4f5;
    }

    .dot:nth-child(1) {
      background: #ff6b6b;
    }

    .dot:nth-child(2) {
      background: #ffd166;
    }

    .dot:nth-child(3) {
      background: #22c55e;
    }

    .demo-body {
      padding: 18px;
      display: grid;
      gap: 12px;
    }

    .demo-row {
      display: grid;
      grid-template-columns: 80px 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 13px;
      border-radius: 18px;
      background: #fff;
      border: 1px solid #e4edf9;
    }

    .demo-row .thumb {
      height: 52px;
      border-radius: 14px;
      background: linear-gradient(135deg, #0f5fff, #11b7d7);
    }

    .demo-row:nth-child(2) .thumb {
      background: linear-gradient(135deg, #ffb545, #ff7a1a);
    }

    .demo-row:nth-child(3) .thumb {
      background: linear-gradient(135deg, #5b6cff, #8b5cf6);
    }

    .demo-row strong {
      color: var(--dark);
      display: block;
      line-height: 1.25;
    }

    .demo-row span {
      color: var(--muted);
      font-size: 12px;
    }

    .heat-pill {
      padding: 6px 10px;
      border-radius: 999px;
      color: #fff;
      background: var(--primary);
      font-size: 12px;
      font-weight: 900;
      white-space: nowrap;
    }

    .steps-card {
      padding: 28px;
      border-radius: var(--radius-lg);
      background: var(--dark);
      color: #fff;
      box-shadow: var(--shadow-md);
    }

    .steps-card h3 {
      font-size: 24px;
      margin-bottom: 18px;
    }

    .step-list {
      list-style: none;
      display: grid;
      gap: 14px;
    }

    .step-list li {
      display: grid;
      grid-template-columns: 34px 1fr;
      gap: 12px;
      align-items: start;
      padding: 14px;
      border-radius: 18px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.1);
    }

    .step-list b {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      background: var(--accent);
      color: #2c1700;
    }

    .step-list strong {
      display: block;
      color: #fff;
      margin-bottom: 3px;
    }

    .step-list span {
      color: rgba(232, 241, 255, 0.74);
      font-size: 14px;
    }

    .hot-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.72fr);
      gap: 20px;
    }

    .hot-main {
      min-height: 430px;
      padding: 34px;
      border-radius: var(--radius-xl);
      color: #fff;
      background:
        linear-gradient(180deg, rgba(7,18,37,.06), rgba(7,18,37,.86)),
        radial-gradient(circle at 72% 16%, rgba(255, 181, 69, 0.38), transparent 26%),
        linear-gradient(135deg, #143a7a, #061225);
      box-shadow: var(--shadow-lg);
      position: relative;
      overflow: hidden;
    }

    .hot-main::before {
      content: "";
      position: absolute;
      right: 36px;
      top: 36px;
      width: 220px;
      height: 290px;
      border-radius: 28px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.22), rgba(255,255,255,.04)),
        radial-gradient(circle at 45% 24%, rgba(255,255,255,.5), transparent 16%);
      border: 1px solid rgba(255,255,255,.18);
      transform: rotate(6deg);
      opacity: .8;
    }

    .hot-content {
      position: relative;
      z-index: 1;
      max-width: 460px;
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      min-height: 360px;
    }

    .hot-content h3 {
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.12;
      letter-spacing: -0.04em;
      margin: 14px 0 12px;
    }

    .hot-content p {
      color: rgba(232, 241, 255, 0.84);
      margin-bottom: 22px;
    }

    .small-hot-list {
      display: grid;
      gap: 16px;
    }

    .small-hot-card {
      display: grid;
      grid-template-columns: 96px 1fr;
      gap: 16px;
      min-height: 128px;
      padding: 16px;
      border-radius: 26px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .small-hot-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(15, 95, 255, 0.25);
    }

    .small-cover {
      border-radius: 20px;
      background: linear-gradient(135deg, #0f5fff, #11b7d7);
      min-height: 96px;
    }

    .small-hot-card:nth-child(2) .small-cover {
      background: linear-gradient(135deg, #ffb545, #ff7a1a);
    }

    .small-hot-card:nth-child(3) .small-cover {
      background: linear-gradient(135deg, #394867, #8b5cf6);
    }

    .small-hot-card h3 {
      color: var(--dark);
      font-size: 18px;
      line-height: 1.25;
      margin-bottom: 8px;
    }

    .small-hot-card p {
      color: var(--muted);
      font-size: 14px;
      margin-bottom: 10px;
    }

    .inline-link {
      color: var(--primary);
      font-weight: 900;
      font-size: 14px;
    }

    .inline-link:hover {
      color: var(--primary-dark);
    }

    .collections {
      background: linear-gradient(180deg, #fff, #f1f6ff);
    }

    .collection-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 18px;
    }

    .collection-card {
      padding: 24px;
      border-radius: 28px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .collection-card:hover {
      transform: translateY(-5px);
      border-color: rgba(15, 95, 255, 0.25);
      box-shadow: var(--shadow-md);
    }

    .collection-icon {
      width: 52px;
      height: 52px;
      display: grid;
      place-items: center;
      border-radius: 18px;
      background: var(--primary-soft);
      color: var(--primary);
      font-weight: 950;
      margin-bottom: 18px;
    }

    .collection-card h3 {
      color: var(--dark);
      font-size: 19px;
      margin-bottom: 8px;
    }

    .collection-card p {
      color: var(--muted);
      font-size: 14px;
      margin-bottom: 16px;
    }

    .collection-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding-top: 14px;
      border-top: 1px solid var(--border);
      color: var(--muted);
      font-size: 13px;
      font-weight: 850;
    }

    .boom-list {
      display: grid;
      gap: 14px;
      counter-reset: boom;
    }

    .boom-item {
      counter-increment: boom;
      display: grid;
      grid-template-columns: 62px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 18px;
      border-radius: 26px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .boom-item:hover {
      transform: translateX(5px);
      border-color: rgba(15, 95, 255, 0.25);
      box-shadow: var(--shadow-md);
    }

    .boom-no {
      width: 54px;
      height: 54px;
      display: grid;
      place-items: center;
      border-radius: 18px;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      font-weight: 950;
      font-size: 18px;
    }

    .boom-no::before {
      content: counter(boom, decimal-leading-zero);
    }

    .boom-item h3 {
      color: var(--dark);
      font-size: 19px;
      margin-bottom: 4px;
    }

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

    .update-timeline {
      position: relative;
      display: grid;
      gap: 18px;
      max-width: 900px;
    }

    .update-timeline::before {
      content: "";
      position: absolute;
      left: 23px;
      top: 10px;
      bottom: 10px;
      width: 2px;
      background: #dbe7f7;
    }

    .update-item {
      position: relative;
      display: grid;
      grid-template-columns: 48px 1fr;
      gap: 18px;
      align-items: start;
    }

    .update-dot {
      width: 48px;
      height: 48px;
      display: grid;
      place-items: center;
      border-radius: 18px;
      color: #fff;
      background: var(--dark);
      font-weight: 950;
      z-index: 1;
      box-shadow: 0 10px 22px rgba(7, 18, 37, 0.16);
    }

    .update-card {
      padding: 22px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

    .update-card h3 {
      color: var(--dark);
      font-size: 19px;
      margin-bottom: 6px;
    }

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

    .news-section {
      background: var(--bg);
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 0.72fr) minmax(300px, 0.38fr);
      gap: 24px;
      align-items: start;
    }

    .news-list {
      display: grid;
      gap: 12px;
    }

    .news-item {
      display: grid;
      grid-template-columns: 120px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 18px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .news-item:hover {
      transform: translateY(-3px);
      border-color: rgba(15, 95, 255, 0.25);
      box-shadow: var(--shadow-md);
    }

    .news-date {
      color: var(--primary);
      background: var(--primary-soft);
      border-radius: 16px;
      padding: 10px 12px;
      text-align: center;
      font-weight: 950;
      font-size: 13px;
      white-space: nowrap;
    }

    .news-item h3 {
      color: var(--dark);
      font-size: 18px;
      line-height: 1.35;
      margin-bottom: 5px;
    }

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

    .news-arrow {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: var(--primary);
      background: #f4f8ff;
      font-weight: 950;
    }

    .news-item:hover .news-arrow {
      color: #fff;
      background: var(--primary);
    }

    .recommend-panel {
      padding: 24px;
      border-radius: var(--radius-lg);
      background: var(--dark);
      color: #fff;
      box-shadow: var(--shadow-md);
      position: sticky;
      top: 136px;
    }

    .recommend-panel h3 {
      font-size: 24px;
      line-height: 1.22;
      margin-bottom: 12px;
    }

    .recommend-panel p {
      color: rgba(232, 241, 255, 0.76);
      font-size: 14px;
      margin-bottom: 18px;
    }

    .recommend-stack {
      display: grid;
      gap: 10px;
      list-style: none;
    }

    .recommend-stack li {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 0;
      border-top: 1px solid rgba(255,255,255,.12);
      color: rgba(232, 241, 255, 0.88);
      font-size: 14px;
    }

    .recommend-stack b {
      color: var(--accent);
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .faq-item {
      padding: 26px;
      border-radius: 28px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .faq-item:hover {
      transform: translateY(-4px);
      border-color: rgba(15, 95, 255, 0.25);
      box-shadow: var(--shadow-md);
    }

    .faq-item h3 {
      color: var(--dark);
      font-size: 19px;
      line-height: 1.35;
      margin-bottom: 10px;
    }

    .faq-item p {
      color: var(--muted);
      font-size: 15px;
    }

    .cta-section {
      padding: 82px 0;
    }

    .cta-box {
      display: grid;
      grid-template-columns: minmax(0, 0.68fr) minmax(320px, 0.42fr);
      gap: 34px;
      align-items: center;
      padding: 42px;
      border-radius: var(--radius-xl);
      color: #fff;
      background:
        radial-gradient(circle at 12% 24%, rgba(17, 183, 215, 0.34), transparent 28%),
        radial-gradient(circle at 88% 0%, rgba(255, 181, 69, 0.26), transparent 30%),
        linear-gradient(135deg, #061225, #12336a);
      box-shadow: var(--shadow-lg);
      overflow: hidden;
      position: relative;
    }

    .cta-box::after {
      content: "";
      position: absolute;
      right: -100px;
      bottom: -110px;
      width: 320px;
      height: 320px;
      border-radius: 50%;
      border: 46px solid rgba(255,255,255,.08);
    }

    .cta-content {
      position: relative;
      z-index: 1;
    }

    .cta-content h2 {
      font-size: clamp(30px, 4.8vw, 52px);
      line-height: 1.08;
      letter-spacing: -0.04em;
      margin-bottom: 16px;
    }

    .cta-content p {
      color: rgba(232, 241, 255, 0.82);
      max-width: 660px;
      margin-bottom: 24px;
    }

    .lead-form {
      position: relative;
      z-index: 1;
      display: grid;
      gap: 12px;
      padding: 20px;
      border-radius: 28px;
      background: rgba(255,255,255,.1);
      border: 1px solid rgba(255,255,255,.16);
      backdrop-filter: blur(14px);
    }

    .lead-form label {
      color: rgba(255,255,255,.86);
      font-size: 13px;
      font-weight: 850;
    }

    .lead-form input,
    .lead-form textarea {
      border-color: rgba(255,255,255,.18);
      background: rgba(255,255,255,.96);
      border-radius: 16px;
      padding: 12px 14px;
    }

    .lead-form textarea {
      min-height: 86px;
      resize: vertical;
    }

    .form-hint {
      min-height: 22px;
      color: #b9f4d0;
      font-size: 13px;
    }

    .site-footer {
      color: rgba(232, 241, 255, 0.82);
      background: #061225;
      padding: 48px 0 28px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 0.74fr) minmax(260px, 0.36fr);
      gap: 36px;
      align-items: start;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255,255,255,.1);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-size: 22px;
      font-weight: 950;
      margin-bottom: 14px;
    }

    .footer-brand .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 15px;
    }

    .footer-text {
      max-width: 660px;
      color: rgba(232, 241, 255, 0.72);
      font-size: 15px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }

    .footer-link {
      padding: 9px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(255,255,255,.1);
      color: rgba(232, 241, 255, 0.86);
      font-size: 14px;
      font-weight: 850;
    }

    .footer-link:hover {
      background: rgba(255,255,255,.14);
      color: #fff;
      transform: translateY(-1px);
    }

    .copyright {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 14px;
      padding-top: 24px;
      color: rgba(232, 241, 255, 0.56);
      font-size: 13px;
    }

    .floating-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      z-index: 60;
      transform: translateX(-50%);
      display: none;
      align-items: center;
      gap: 10px;
      width: min(calc(100% - 28px), 520px);
      padding: 10px;
      border-radius: 999px;
      background: rgba(7, 18, 37, 0.9);
      border: 1px solid rgba(255,255,255,.14);
      box-shadow: var(--shadow-lg);
      backdrop-filter: blur(16px);
    }

    .floating-cta span {
      flex: 1;
      color: #fff;
      font-size: 13px;
      font-weight: 850;
      padding-left: 10px;
    }

    .floating-cta .btn {
      min-height: 40px;
      padding: 0 14px;
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      :root {
        --section: 76px;
      }

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

      .search-box {
        order: 3;
        grid-column: 1 / -1;
        justify-self: stretch;
        max-width: none;
      }

      .header-action {
        justify-self: end;
      }

      .hero-layout,
      .rules-wrap,
      .demo-grid,
      .hot-layout,
      .news-layout,
      .cta-box,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .poster-stage {
        min-height: 420px;
      }

      .main-poster {
        margin-inline: auto;
        min-height: 470px;
      }

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

      .recommend-panel {
        position: static;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .brand-row {
        gap: 14px;
        padding-top: 12px;
      }

      .brand-logo {
        font-size: 19px;
      }

      .brand-mark {
        width: 40px;
        height: 40px;
      }

      .header-action {
        min-height: 40px;
        padding: 0 13px;
        font-size: 13px;
      }

      .section-head {
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .hero {
        padding: 52px 0 48px;
      }

      h1.hero-title {
        font-size: clamp(34px, 12vw, 52px);
      }

      .hero-metrics {
        grid-template-columns: 1fr;
      }

      .poster-mini {
        position: static;
        width: 100% !important;
        margin-top: 12px;
      }

      .poster-stage {
        min-height: auto;
      }

      .main-poster {
        min-height: 430px;
      }

      .coupon-grid,
      .collection-grid,
      .faq-grid {
        grid-template-columns: 1fr;
      }

      .boom-item {
        grid-template-columns: 54px 1fr;
      }

      .boom-item .btn {
        grid-column: 1 / -1;
        width: 100%;
      }

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

      .news-date {
        width: fit-content;
      }

      .news-arrow {
        display: none;
      }

      .footer-links {
        justify-content: flex-start;
      }

      .floating-cta {
        display: flex;
      }
    }

    @media (max-width: 520px) {
      :root {
        --section: 64px;
      }

      .header-action {
        display: none;
      }

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

      .search-box {
        grid-column: auto;
      }

      .hero-actions,
      .cta-content .hero-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .hero-badges {
        gap: 8px;
      }

      .badge {
        font-size: 12px;
      }

      .main-poster {
        width: 100%;
        min-height: 390px;
        border-radius: 28px;
      }

      .poster-content h2 {
        font-size: 27px;
      }

      .coupon-card,
      .rules-panel,
      .notice-panel,
      .demo-panel,
      .steps-card,
      .cta-box {
        padding: 22px;
        border-radius: 26px;
      }

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

      .demo-row .heat-pill {
        grid-column: 1 / -1;
        width: fit-content;
      }

      .small-hot-card {
        grid-template-columns: 78px 1fr;
      }

      .small-cover {
        min-height: 84px;
      }

      .copyright {
        display: grid;
      }
    }