/* roulang page: index */
:root {
      --color-bg: #090b16;
      --color-bg-soft: #101424;
      --color-bg-card: rgba(255, 255, 255, 0.08);
      --color-surface: #ffffff;
      --color-surface-warm: #fff8ee;
      --color-primary: #ff6b35;
      --color-primary-dark: #df4d20;
      --color-secondary: #ffd166;
      --color-accent: #7c5cff;
      --color-mint: #41d3bd;
      --color-rose: #ff5c8a;
      --color-text: #151827;
      --color-text-light: #f7f8ff;
      --color-muted: #6d7280;
      --color-muted-light: #bcc4d6;
      --color-border: rgba(255, 255, 255, 0.14);
      --color-border-dark: rgba(21, 24, 39, 0.1);
      --shadow-soft: 0 18px 60px rgba(8, 10, 26, 0.16);
      --shadow-card: 0 14px 36px rgba(8, 10, 26, 0.12);
      --shadow-glow: 0 20px 80px rgba(255, 107, 53, 0.25);
      --radius-xs: 10px;
      --radius-sm: 14px;
      --radius-md: 22px;
      --radius-lg: 32px;
      --radius-xl: 44px;
      --container: 1180px;
      --header-height: 78px;
      --transition: 220ms ease;
      --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

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

    body {
      margin: 0;
      font-family: var(--font-main);
      color: var(--color-text);
      background:
        radial-gradient(circle at 10% 0%, rgba(255, 209, 102, 0.18), transparent 30%),
        radial-gradient(circle at 90% 8%, rgba(124, 92, 255, 0.16), transparent 30%),
        linear-gradient(180deg, #0a0d19 0%, #0c1020 24%, #fffaf1 24.2%, #fffdf8 100%);
      line-height: 1.75;
      overflow-x: hidden;
    }

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

    a:hover,
    a:focus {
      color: inherit;
      text-decoration: none;
    }

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

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

    button {
      border: 0;
      cursor: pointer;
    }

    input,
    textarea {
      width: 100%;
      border: 1px solid var(--color-border-dark);
      border-radius: var(--radius-sm);
      padding: 14px 16px;
      background: rgba(255, 255, 255, 0.92);
      color: var(--color-text);
      outline: none;
      transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }

    input:focus,
    textarea:focus {
      border-color: rgba(255, 107, 53, 0.65);
      box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.14);
      background: #fff;
    }

    ::selection {
      background: rgba(255, 107, 53, 0.25);
      color: #11131f;
    }

    .container {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }

    .section {
      padding: 84px 0;
      position: relative;
    }

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

    .section-heading {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      gap: 24px;
      margin-bottom: 34px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(255, 107, 53, 0.12);
      color: var(--color-primary-dark);
      font-size: 14px;
      font-weight: 700;
      line-height: 1;
      margin-bottom: 12px;
    }

    .section-kicker.dark {
      background: rgba(255, 255, 255, 0.1);
      color: var(--color-secondary);
    }

    .section-title {
      margin: 0;
      color: var(--color-text);
      font-size: clamp(28px, 3vw, 44px);
      line-height: 1.18;
      letter-spacing: -0.03em;
      font-weight: 900;
    }

    .section-title.light {
      color: var(--color-text-light);
    }

    .section-desc {
      max-width: 620px;
      margin: 12px 0 0;
      color: var(--color-muted);
      font-size: 17px;
    }

    .section-desc.light {
      color: var(--color-muted-light);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 13px 20px;
      border-radius: 999px;
      font-weight: 800;
      line-height: 1;
      border: 1px solid transparent;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
      white-space: nowrap;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn:active {
      transform: translateY(0);
    }

    .btn:focus-visible {
      outline: 4px solid rgba(255, 209, 102, 0.35);
      outline-offset: 3px;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--color-primary), #ff9a3d);
      color: #fff;
      box-shadow: 0 12px 30px rgba(255, 107, 53, 0.3);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      color: #fff;
      box-shadow: 0 18px 42px rgba(255, 107, 53, 0.4);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.12);
      border-color: rgba(255, 255, 255, 0.22);
      color: var(--color-text-light);
      backdrop-filter: blur(16px);
    }

    .btn-secondary:hover,
    .btn-secondary:focus {
      background: rgba(255, 255, 255, 0.18);
      color: #fff;
    }

    .btn-ghost {
      background: #fff;
      border-color: rgba(21, 24, 39, 0.1);
      color: var(--color-text);
      box-shadow: 0 10px 24px rgba(8, 10, 26, 0.08);
    }

    .btn-ghost:hover {
      border-color: rgba(255, 107, 53, 0.35);
      color: var(--color-primary-dark);
      box-shadow: 0 15px 34px rgba(8, 10, 26, 0.12);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 11px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 800;
      line-height: 1;
      color: #33230c;
      background: var(--color-secondary);
    }

    .badge.soft {
      color: var(--color-primary-dark);
      background: rgba(255, 107, 53, 0.12);
    }

    .badge.purple {
      color: #fff;
      background: linear-gradient(135deg, var(--color-accent), #aa85ff);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(9, 11, 22, 0.82);
      backdrop-filter: blur(22px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .top-strip {
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      color: var(--color-muted-light);
      font-size: 13px;
    }

    .top-strip .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 8px 0;
    }

    .top-note,
    .top-location {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-width: 0;
    }

    .top-note span {
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .site-nav {
      height: var(--header-height);
    }

    .nav-shell {
      height: 100%;
      display: flex;
      align-items: center;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-size: 21px;
      font-weight: 950;
      letter-spacing: -0.03em;
      flex: 0 0 auto;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #21170d;
      background:
        radial-gradient(circle at 30% 25%, #fff 0 8%, transparent 9%),
        linear-gradient(135deg, var(--color-secondary), var(--color-primary));
      box-shadow: 0 12px 28px rgba(255, 107, 53, 0.28);
    }

    .nav-menu-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
      flex: 1 1 auto;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 6px;
      margin: 0;
      list-style: none;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 9px 15px;
      border-radius: 999px;
      color: rgba(255, 255, 255, 0.78);
      font-weight: 800;
      font-size: 15px;
    }

    .nav-link:hover,
    .nav-link:focus {
      color: #fff;
      background: rgba(255, 255, 255, 0.1);
    }

    .nav-link.active {
      color: #21170d;
      background: var(--color-secondary);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex: 0 0 auto;
    }

    .location-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      max-width: 190px;
      padding: 10px 14px;
      border-radius: 999px;
      color: var(--color-text-light);
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.12);
      font-weight: 800;
      font-size: 14px;
    }

    .location-pill:hover,
    .location-pill:focus {
      background: rgba(255, 255, 255, 0.16);
      color: #fff;
    }

    .location-pill span {
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 7px;
      min-height: 42px;
      padding: 11px 16px;
      border-radius: 999px;
      background: linear-gradient(135deg, var(--color-primary), #ff9a3d);
      color: #fff;
      font-weight: 900;
      box-shadow: 0 10px 26px rgba(255, 107, 53, 0.26);
    }

    .nav-cta:hover,
    .nav-cta:focus {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 16px 34px rgba(255, 107, 53, 0.36);
    }

    .mobile-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: rgba(255, 255, 255, 0.1);
      color: #fff;
      align-items: center;
      justify-content: center;
    }

    .mobile-toggle:hover {
      background: rgba(255, 255, 255, 0.16);
    }

    .hero {
      padding: 54px 0 72px;
      color: var(--color-text-light);
      background:
        radial-gradient(circle at 18% 20%, rgba(255, 209, 102, 0.2), transparent 28%),
        radial-gradient(circle at 78% 18%, rgba(124, 92, 255, 0.2), transparent 30%),
        linear-gradient(135deg, #090b16 0%, #15162e 55%, #271225 100%);
      overflow: hidden;
    }

    .hero-stage {
      position: relative;
      min-height: 560px;
      padding: clamp(28px, 5vw, 56px);
      border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: var(--radius-xl);
      background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03)),
        radial-gradient(circle at 50% 100%, rgba(255, 107, 53, 0.18), transparent 42%);
      box-shadow: var(--shadow-glow);
      overflow: hidden;
    }

    .hero-stage::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
      background-size: 46px 46px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,0.4), transparent 75%);
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 860px;
    }

    .release-badge {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 9px 14px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.11);
      border: 1px solid rgba(255, 255, 255, 0.16);
      color: var(--color-secondary);
      font-weight: 900;
      margin-bottom: 22px;
    }

    .release-dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--color-mint);
      box-shadow: 0 0 0 8px rgba(65, 211, 189, 0.12);
    }

    .hero h1 {
      margin: 0;
      max-width: 840px;
      font-size: clamp(42px, 7vw, 82px);
      line-height: 1.02;
      letter-spacing: -0.065em;
      font-weight: 950;
      color: #fff;
    }

    .hero-lead {
      margin: 22px 0 0;
      max-width: 760px;
      color: rgba(247, 248, 255, 0.84);
      font-size: clamp(17px, 2vw, 21px);
      line-height: 1.85;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 30px;
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 34px;
      max-width: 780px;
    }

    .metric-tile {
      padding: 18px;
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, 0.09);
      border: 1px solid rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(14px);
    }

    .metric-tile strong {
      display: block;
      font-size: 26px;
      color: var(--color-secondary);
      line-height: 1.1;
      font-weight: 950;
    }

    .metric-tile span {
      display: block;
      margin-top: 6px;
      color: rgba(247, 248, 255, 0.76);
      font-size: 14px;
    }

    .hero-panel {
      position: absolute;
      right: clamp(22px, 5vw, 58px);
      bottom: clamp(22px, 5vw, 48px);
      z-index: 3;
      width: min(440px, 42%);
      display: grid;
      gap: 14px;
    }

    .countdown-card {
      padding: 22px;
      border-radius: var(--radius-lg);
      color: #fff;
      background: rgba(8, 10, 26, 0.72);
      border: 1px solid rgba(255, 255, 255, 0.16);
      box-shadow: 0 22px 70px rgba(0, 0, 0, 0.3);
      backdrop-filter: blur(18px);
    }

    .countdown-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 18px;
    }

    .countdown-ring {
      width: 118px;
      height: 118px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background:
        radial-gradient(circle, #111426 0 58%, transparent 59%),
        conic-gradient(var(--color-primary) 0 73%, rgba(255, 255, 255, 0.14) 73% 100%);
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
      flex: 0 0 auto;
    }

    .countdown-ring strong {
      display: block;
      font-size: 28px;
      font-weight: 950;
      color: var(--color-secondary);
      line-height: 1;
      text-align: center;
    }

    .countdown-ring span {
      display: block;
      margin-top: 4px;
      font-size: 12px;
      color: var(--color-muted-light);
      text-align: center;
    }

    .countdown-info h2 {
      margin: 0;
      font-size: 22px;
      line-height: 1.25;
      color: #fff;
      font-weight: 950;
    }

    .countdown-info p {
      margin: 8px 0 0;
      color: rgba(247, 248, 255, 0.72);
      font-size: 14px;
      line-height: 1.65;
    }

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

    .time-box {
      text-align: center;
      padding: 10px 6px;
      border-radius: 14px;
      background: rgba(255, 255, 255, 0.09);
    }

    .time-box b {
      display: block;
      color: #fff;
      font-size: 20px;
      line-height: 1;
      font-weight: 950;
    }

    .time-box small {
      display: block;
      margin-top: 5px;
      color: var(--color-muted-light);
      font-size: 12px;
    }

    .selling-points {
      padding: 18px;
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.14);
      backdrop-filter: blur(16px);
    }

    .point-row {
      display: none;
      align-items: flex-start;
      gap: 12px;
      color: rgba(247, 248, 255, 0.88);
    }

    .point-row.active {
      display: flex;
    }

    .point-icon {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      background: rgba(255, 209, 102, 0.16);
      color: var(--color-secondary);
      flex: 0 0 auto;
    }

    .point-row strong {
      display: block;
      color: #fff;
      font-weight: 950;
      line-height: 1.25;
    }

    .point-row span {
      display: block;
      margin-top: 4px;
      font-size: 14px;
      line-height: 1.55;
      color: rgba(247, 248, 255, 0.72);
    }

    .point-dots {
      display: flex;
      gap: 8px;
      margin-top: 14px;
    }

    .point-dot {
      width: 22px;
      height: 7px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.2);
    }

    .point-dot.active {
      width: 38px;
      background: var(--color-secondary);
    }

    .hero-poster {
      position: absolute;
      inset: auto 18% -110px auto;
      width: 280px;
      height: 420px;
      border-radius: 34px;
      transform: rotate(8deg);
      background:
        linear-gradient(160deg, rgba(255,255,255,0.18), transparent 40%),
        radial-gradient(circle at 28% 24%, rgba(255, 209, 102, 0.9), transparent 18%),
        radial-gradient(circle at 72% 68%, rgba(124, 92, 255, 0.85), transparent 24%),
        linear-gradient(135deg, #ff6b35, #231b5b);
      opacity: 0.62;
      filter: blur(0.2px);
      box-shadow: 0 30px 80px rgba(0,0,0,0.32);
    }

    .hero-poster::after {
      content: "97";
      position: absolute;
      left: 30px;
      bottom: 30px;
      color: rgba(255,255,255,0.72);
      font-size: 96px;
      font-weight: 950;
      line-height: 1;
    }

    .dark-band {
      background: var(--color-bg-soft);
      color: var(--color-text-light);
    }

    .split-section {
      padding-top: 78px;
      background:
        radial-gradient(circle at 12% 30%, rgba(255, 209, 102, 0.12), transparent 24%),
        linear-gradient(180deg, var(--color-bg-soft), #12182b);
    }

    .fission-layout {
      display: grid;
      grid-template-columns: 0.95fr 1.05fr;
      gap: 26px;
      align-items: stretch;
    }

    .fission-copy {
      padding: 34px;
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, 0.07);
      border: 1px solid rgba(255, 255, 255, 0.12);
    }

    .fission-copy p {
      color: var(--color-muted-light);
      margin: 16px 0 0;
      font-size: 17px;
    }

    .fission-steps {
      display: grid;
      gap: 14px;
    }

    .fission-step {
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 16px;
      padding: 18px;
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.12);
      transition: transform var(--transition), background var(--transition), border-color var(--transition);
    }

    .fission-step:hover {
      transform: translateY(-3px);
      background: rgba(255, 255, 255, 0.11);
      border-color: rgba(255, 209, 102, 0.28);
    }

    .step-num {
      width: 46px;
      height: 46px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      color: #21170d;
      background: var(--color-secondary);
      font-weight: 950;
    }

    .fission-step h3 {
      margin: 0;
      color: #fff;
      font-size: 18px;
      font-weight: 950;
    }

    .fission-step p {
      margin: 4px 0 0;
      color: var(--color-muted-light);
      font-size: 14px;
      line-height: 1.55;
    }

    .reward-chip {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 82px;
      padding: 8px 10px;
      border-radius: 999px;
      background: rgba(65, 211, 189, 0.12);
      color: var(--color-mint);
      font-size: 13px;
      font-weight: 900;
    }

    .progress-section {
      background: #fffaf1;
    }

    .progress-board {
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      gap: 28px;
      align-items: stretch;
    }

    .progress-card,
    .invite-card,
    .rank-card,
    .news-panel,
    .how-card,
    .faq-item,
    .claim-box {
      border: 1px solid var(--color-border-dark);
      background: rgba(255, 255, 255, 0.82);
      box-shadow: var(--shadow-card);
      border-radius: var(--radius-lg);
    }

    .progress-card {
      padding: 30px;
      overflow: hidden;
    }

    .progress-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 26px;
    }

    .progress-head h3 {
      margin: 0;
      font-size: 24px;
      font-weight: 950;
      letter-spacing: -0.02em;
    }

    .progress-track {
      position: relative;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      padding-top: 20px;
    }

    .progress-track::before {
      content: "";
      position: absolute;
      top: 40px;
      left: 8%;
      right: 8%;
      height: 8px;
      border-radius: 999px;
      background: #f0e2cf;
    }

    .progress-track::after {
      content: "";
      position: absolute;
      top: 40px;
      left: 8%;
      width: 53%;
      height: 8px;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    }

    .milestone {
      position: relative;
      z-index: 2;
      text-align: center;
    }

    .milestone-dot {
      width: 48px;
      height: 48px;
      border-radius: 18px;
      margin: 0 auto 12px;
      display: grid;
      place-items: center;
      color: #fff;
      background: #d9c9b3;
      box-shadow: 0 0 0 7px #fffaf1;
    }

    .milestone.done .milestone-dot,
    .milestone.current .milestone-dot {
      background: linear-gradient(135deg, var(--color-primary), #ff9a3d);
    }

    .milestone.current .milestone-dot {
      animation: pulse 1.8s infinite;
    }

    @keyframes pulse {
      0%, 100% { box-shadow: 0 0 0 7px #fffaf1, 0 0 0 0 rgba(255, 107, 53, 0.35); }
      50% { box-shadow: 0 0 0 7px #fffaf1, 0 0 0 12px rgba(255, 107, 53, 0); }
    }

    .milestone strong {
      display: block;
      font-size: 15px;
      font-weight: 950;
    }

    .milestone span {
      display: block;
      margin-top: 4px;
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.45;
    }

    .invite-card {
      padding: 28px;
      background:
        radial-gradient(circle at 100% 0%, rgba(255, 209, 102, 0.22), transparent 36%),
        #ffffff;
    }

    .invite-card h3 {
      margin: 0;
      font-size: 25px;
      font-weight: 950;
    }

    .invite-card p {
      margin: 12px 0 20px;
      color: var(--color-muted);
    }

    .invite-code {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding: 14px 16px;
      border-radius: var(--radius-md);
      border: 1px dashed rgba(255, 107, 53, 0.45);
      background: rgba(255, 107, 53, 0.07);
      font-weight: 950;
      color: var(--color-primary-dark);
    }

    .invite-code button {
      border-radius: 999px;
      padding: 9px 12px;
      color: #fff;
      background: var(--color-primary);
      font-weight: 900;
      transition: transform var(--transition), background var(--transition);
    }

    .invite-code button:hover {
      transform: translateY(-2px);
      background: var(--color-primary-dark);
    }

    .ranking-section {
      background:
        linear-gradient(180deg, #fffaf1, #ffffff);
    }

    .ranking-layout {
      display: grid;
      grid-template-columns: 1fr 1.15fr;
      gap: 28px;
      align-items: start;
    }

    .rank-spotlight {
      min-height: 460px;
      padding: 32px;
      border-radius: var(--radius-xl);
      color: #fff;
      background:
        linear-gradient(180deg, rgba(0,0,0,0.1), rgba(0,0,0,0.48)),
        radial-gradient(circle at 35% 25%, rgba(255, 209, 102, 0.75), transparent 22%),
        radial-gradient(circle at 72% 58%, rgba(124, 92, 255, 0.75), transparent 27%),
        linear-gradient(135deg, #1b1740, #ff6b35);
      box-shadow: var(--shadow-soft);
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      overflow: hidden;
      position: relative;
    }

    .rank-spotlight::before {
      content: "";
      position: absolute;
      inset: 22px;
      border: 1px solid rgba(255, 255, 255, 0.22);
      border-radius: 32px;
      pointer-events: none;
    }

    .rank-spotlight .badge {
      align-self: flex-start;
      margin-bottom: 16px;
      position: relative;
      z-index: 2;
    }

    .rank-spotlight h3 {
      margin: 0;
      position: relative;
      z-index: 2;
      font-size: clamp(30px, 4vw, 48px);
      font-weight: 950;
      line-height: 1.1;
    }

    .rank-spotlight p {
      position: relative;
      z-index: 2;
      margin: 14px 0 0;
      color: rgba(255,255,255,0.82);
      max-width: 420px;
    }

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

    .rank-card {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 18px;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .rank-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 18px 44px rgba(8, 10, 26, 0.14);
      border-color: rgba(255, 107, 53, 0.28);
    }

    .rank-no {
      width: 44px;
      height: 44px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #fff;
      background: #111426;
      font-weight: 950;
    }

    .rank-card:nth-child(1) .rank-no {
      background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
      color: #2c190c;
    }

    .rank-card h3 {
      margin: 0;
      font-size: 18px;
      font-weight: 950;
    }

    .rank-card p {
      margin: 4px 0 0;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.55;
    }

    .heat {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      color: var(--color-primary-dark);
      font-weight: 950;
      white-space: nowrap;
    }

    .news-section {
      background: #ffffff;
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
      gap: 28px;
      align-items: start;
    }

    .news-panel {
      padding: 10px;
      overflow: hidden;
    }

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

    .news-item + .news-item {
      border-top: 1px solid rgba(21, 24, 39, 0.08);
    }

    .news-link {
      display: grid;
      grid-template-columns: 120px 1fr auto;
      align-items: center;
      gap: 18px;
      padding: 20px;
      border-radius: var(--radius-md);
    }

    .news-link:hover,
    .news-link:focus {
      background: #fff8ee;
      transform: translateX(3px);
    }

    .news-date {
      color: var(--color-primary-dark);
      font-weight: 950;
      font-size: 14px;
    }

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

    .news-title h3 {
      margin: 0;
      color: var(--color-text);
      font-size: 18px;
      font-weight: 950;
      line-height: 1.45;
    }

    .news-title p {
      margin: 5px 0 0;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.55;
    }

    .news-arrow {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: var(--color-text);
      background: rgba(21, 24, 39, 0.06);
    }

    .recommend-panel {
      display: grid;
      gap: 16px;
    }

    .recommend-card {
      padding: 24px;
      border-radius: var(--radius-lg);
      background:
        radial-gradient(circle at 100% 0%, rgba(124, 92, 255, 0.16), transparent 36%),
        #151827;
      color: #fff;
      box-shadow: var(--shadow-card);
    }

    .recommend-card h3 {
      margin: 14px 0 8px;
      font-size: 22px;
      font-weight: 950;
    }

    .recommend-card p {
      margin: 0 0 18px;
      color: rgba(247, 248, 255, 0.74);
    }

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

    .mini-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      color: rgba(247, 248, 255, 0.84);
      font-size: 14px;
    }

    .mini-list i {
      color: var(--color-secondary);
    }

    .how-section {
      background:
        linear-gradient(180deg, #ffffff, #fffaf1);
    }

    .how-grid {
      display: grid;
      grid-template-columns: 0.88fr 1.12fr;
      gap: 28px;
      align-items: stretch;
    }

    .how-aside {
      padding: 32px;
      border-radius: var(--radius-xl);
      background:
        radial-gradient(circle at 90% 15%, rgba(255, 209, 102, 0.42), transparent 28%),
        linear-gradient(135deg, #ff6b35, #7c5cff);
      color: #fff;
      box-shadow: var(--shadow-soft);
    }

    .how-aside h2 {
      margin: 16px 0 10px;
      font-size: clamp(28px, 3.5vw, 42px);
      line-height: 1.15;
      font-weight: 950;
    }

    .how-aside p {
      margin: 0;
      color: rgba(255,255,255,0.82);
    }

    .how-cards {
      display: grid;
      gap: 16px;
    }

    .how-card {
      padding: 22px;
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 16px;
      align-items: start;
      transition: transform var(--transition), box-shadow var(--transition);
    }

    .how-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 18px 44px rgba(8, 10, 26, 0.14);
    }

    .how-icon {
      width: 52px;
      height: 52px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      color: var(--color-primary-dark);
      background: rgba(255, 107, 53, 0.12);
      font-size: 20px;
    }

    .how-card h3 {
      margin: 0;
      font-size: 19px;
      font-weight: 950;
    }

    .how-card p {
      margin: 7px 0 0;
      color: var(--color-muted);
      line-height: 1.65;
    }

    .faq-section {
      background: #fffaf1;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: 0.8fr 1.2fr;
      gap: 28px;
      align-items: start;
    }

    .faq-note {
      position: sticky;
      top: 120px;
      padding: 30px;
      border-radius: var(--radius-xl);
      background: #151827;
      color: #fff;
      box-shadow: var(--shadow-card);
    }

    .faq-note h2 {
      margin: 14px 0 10px;
      font-size: 34px;
      line-height: 1.18;
      font-weight: 950;
    }

    .faq-note p {
      margin: 0;
      color: rgba(247, 248, 255, 0.74);
    }

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

    .faq-item {
      padding: 0;
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      padding: 20px 22px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      background: #fff;
      color: var(--color-text);
      text-align: left;
      font-weight: 950;
      border-radius: var(--radius-lg);
      transition: background var(--transition), color var(--transition);
    }

    .faq-question:hover,
    .faq-question:focus {
      background: #fff8ee;
      color: var(--color-primary-dark);
    }

    .faq-question i {
      transition: transform var(--transition);
    }

    .faq-item.open .faq-question i {
      transform: rotate(45deg);
    }

    .faq-answer {
      display: none;
      padding: 0 22px 22px;
      color: var(--color-muted);
      line-height: 1.8;
      background: #fff;
    }

    .faq-item.open .faq-answer {
      display: block;
    }

    .claim-section {
      padding: 92px 0;
      background:
        radial-gradient(circle at 15% 15%, rgba(255, 209, 102, 0.18), transparent 28%),
        radial-gradient(circle at 85% 20%, rgba(65, 211, 189, 0.12), transparent 26%),
        linear-gradient(135deg, #111426, #211a35 52%, #331522);
      color: var(--color-text-light);
    }

    .claim-box {
      display: grid;
      grid-template-columns: 1fr 0.82fr;
      gap: 28px;
      padding: clamp(26px, 5vw, 46px);
      background:
        linear-gradient(180deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
      border-color: rgba(255, 255, 255, 0.14);
      box-shadow: var(--shadow-glow);
      color: #fff;
    }

    .claim-copy h2 {
      margin: 12px 0 14px;
      font-size: clamp(32px, 5vw, 58px);
      line-height: 1.08;
      font-weight: 950;
      letter-spacing: -0.05em;
    }

    .claim-copy p {
      margin: 0;
      color: rgba(247, 248, 255, 0.78);
      max-width: 620px;
      font-size: 17px;
    }

    .claim-benefits {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .benefit-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,0.1);
      border: 1px solid rgba(255,255,255,0.14);
      color: rgba(247, 248, 255, 0.86);
      font-size: 14px;
      font-weight: 800;
    }

    .claim-form {
      padding: 22px;
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.14);
      backdrop-filter: blur(16px);
    }

    .claim-form label {
      display: block;
      margin-bottom: 8px;
      color: rgba(247, 248, 255, 0.88);
      font-weight: 900;
    }

    .claim-form .field {
      margin-bottom: 14px;
    }

    .claim-form input {
      border-color: rgba(255,255,255,0.16);
      background: rgba(255,255,255,0.92);
    }

    .form-tip {
      margin: 12px 0 0;
      color: rgba(247, 248, 255, 0.66);
      font-size: 13px;
      line-height: 1.6;
    }

    .site-footer {
      background: #080a14;
      color: rgba(247, 248, 255, 0.74);
      padding: 46px 0 28px;
      border-top: 1px solid rgba(255,255,255,0.1);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.7fr 0.7fr;
      gap: 28px;
      align-items: start;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-size: 21px;
      font-weight: 950;
      margin-bottom: 14px;
    }

    .footer-about {
      max-width: 520px;
      margin: 0;
      color: rgba(247, 248, 255, 0.68);
      line-height: 1.8;
    }

    .footer-title {
      margin: 0 0 12px;
      color: #fff;
      font-size: 16px;
      font-weight: 950;
    }

    .footer-links {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 9px;
    }

    .footer-links a {
      color: rgba(247, 248, 255, 0.68);
    }

    .footer-links a:hover,
    .footer-links a:focus {
      color: var(--color-secondary);
    }

    .footer-bottom {
      margin-top: 34px;
      padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,0.1);
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      color: rgba(247, 248, 255, 0.52);
      font-size: 13px;
    }

    .floating-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      z-index: 999;
      width: min(calc(100% - 28px), 860px);
      padding: 10px 12px 10px 18px;
      border-radius: 999px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      color: #fff;
      background: rgba(17, 20, 38, 0.88);
      border: 1px solid rgba(255,255,255,0.16);
      box-shadow: 0 18px 54px rgba(0,0,0,0.28);
      backdrop-filter: blur(18px);
    }

    .floating-cta strong {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 15px;
      white-space: nowrap;
    }

    .floating-cta span {
      color: rgba(247, 248, 255, 0.7);
      font-size: 14px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .floating-cta .btn {
      min-height: 40px;
      padding: 10px 15px;
      flex: 0 0 auto;
    }

    @media (max-width: 1024px) {
      :root {
        --header-height: auto;
      }

      .section {
        padding: 70px 0;
      }

      .site-nav {
        height: auto;
        padding: 14px 0;
      }

      .nav-shell {
        flex-wrap: wrap;
        justify-content: space-between;
      }

      .mobile-toggle {
        display: inline-flex;
      }

      .nav-menu-wrap {
        display: none;
        width: 100%;
        flex-basis: 100%;
        padding-top: 14px;
        align-items: stretch;
        flex-direction: column;
      }

      .nav-menu-wrap.open {
        display: flex;
      }

      .nav-menu {
        width: 100%;
        padding: 8px;
        border-radius: var(--radius-md);
        background: rgba(255,255,255,0.08);
        flex-direction: column;
        align-items: stretch;
      }

      .nav-link {
        justify-content: flex-start;
        width: 100%;
      }

      .nav-actions {
        width: 100%;
        flex-wrap: wrap;
      }

      .location-pill,
      .nav-cta {
        flex: 1 1 180px;
      }

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

      .hero-panel {
        position: relative;
        right: auto;
        bottom: auto;
        width: 100%;
        margin-top: 34px;
      }

      .hero-poster {
        right: 4%;
        bottom: -160px;
        opacity: 0.32;
      }

      .fission-layout,
      .progress-board,
      .ranking-layout,
      .news-layout,
      .how-grid,
      .faq-wrap,
      .claim-box {
        grid-template-columns: 1fr;
      }

      .faq-note {
        position: relative;
        top: auto;
      }
    }

    @media (max-width: 768px) {
      body {
        background:
          radial-gradient(circle at 10% 0%, rgba(255, 209, 102, 0.14), transparent 28%),
          linear-gradient(180deg, #0a0d19 0%, #0c1020 20%, #fffaf1 20.2%, #fffdf8 100%);
      }

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

      .top-strip .container {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
      }

      .section {
        padding: 58px 0;
      }

      .section-heading {
        display: block;
      }

      .hero {
        padding: 32px 0 54px;
      }

      .hero-stage {
        padding: 24px;
        border-radius: 30px;
      }

      .hero h1 {
        font-size: clamp(38px, 11vw, 58px);
      }

      .hero-lead {
        font-size: 16px;
      }

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

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

      .countdown-top {
        flex-direction: column;
        align-items: flex-start;
      }

      .countdown-ring {
        width: 102px;
        height: 102px;
      }

      .fission-step {
        grid-template-columns: auto 1fr;
      }

      .reward-chip {
        grid-column: 2;
        justify-self: start;
      }

      .progress-track {
        grid-template-columns: 1fr;
        gap: 18px;
        padding-top: 0;
      }

      .progress-track::before,
      .progress-track::after {
        display: none;
      }

      .milestone {
        display: grid;
        grid-template-columns: auto 1fr;
        gap: 14px;
        text-align: left;
        align-items: center;
      }

      .milestone-dot {
        margin: 0;
      }

      .rank-card {
        grid-template-columns: auto 1fr;
      }

      .heat {
        grid-column: 2;
        justify-self: start;
      }

      .news-link {
        grid-template-columns: 1fr auto;
        gap: 10px;
      }

      .news-date {
        grid-column: 1 / -1;
      }

      .how-card {
        grid-template-columns: 1fr;
      }

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

      .floating-cta {
        border-radius: 24px;
        align-items: stretch;
        flex-direction: column;
      }

      .floating-cta strong,
      .floating-cta span {
        white-space: normal;
      }

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

    @media (max-width: 520px) {
      .brand {
        font-size: 18px;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 14px;
      }

      .hero-stage {
        padding: 20px;
      }

      .release-badge {
        font-size: 13px;
      }

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

      .section-title {
        font-size: 28px;
      }

      .fission-copy,
      .progress-card,
      .invite-card,
      .how-aside,
      .faq-note,
      .claim-form {
        padding: 22px;
      }

      .rank-spotlight {
        min-height: 360px;
        padding: 24px;
        border-radius: 28px;
      }

      .claim-box {
        border-radius: 28px;
      }

      .footer-bottom {
        display: block;
      }

      .footer-bottom span {
        display: block;
        margin-top: 8px;
      }
    }