/* roulang page: index */
:root {
      --bg: #070917;
      --bg-2: #0d1024;
      --panel: rgba(18, 23, 49, 0.82);
      --panel-strong: #121733;
      --card: rgba(255, 255, 255, 0.075);
      --card-hover: rgba(255, 255, 255, 0.11);
      --text: #f7f8ff;
      --muted: #a8b0d7;
      --soft: #d6dbff;
      --primary: #7c3cff;
      --primary-2: #00e0ff;
      --accent: #ff4ecd;
      --gold: #ffd166;
      --green: #36f3a6;
      --danger: #ff6b8b;
      --border: rgba(255, 255, 255, 0.14);
      --border-strong: rgba(255, 255, 255, 0.22);
      --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
      --shadow-soft: 0 18px 44px rgba(0, 0, 0, 0.25);
      --radius-xl: 32px;
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 12px;
      --header-h: 74px;
      --ease: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text);
      line-height: 1.75;
      background:
        radial-gradient(circle at 12% 10%, rgba(124, 60, 255, 0.38), transparent 30%),
        radial-gradient(circle at 86% 2%, rgba(0, 224, 255, 0.28), transparent 32%),
        radial-gradient(circle at 78% 48%, rgba(255, 78, 205, 0.18), transparent 28%),
        linear-gradient(180deg, #070917 0%, #090b1b 45%, #060714 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.78), rgba(0,0,0,.12));
      z-index: -1;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), opacity var(--ease), transform var(--ease);
    }

    a:hover {
      color: #ffffff;
    }

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

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

    input, textarea, select {
      color: var(--text);
    }

    input::placeholder, textarea::placeholder {
      color: rgba(214, 219, 255, 0.52);
    }

    .container {
      width: min(1180px, calc(100% - 40px));
      padding-left: 0;
      padding-right: 0;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      height: var(--header-h);
      display: flex;
      align-items: center;
      background: rgba(7, 9, 23, 0.74);
      border-bottom: 1px solid rgba(255,255,255,0.09);
      backdrop-filter: blur(20px);
    }

    .nav-shell {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 900;
      letter-spacing: -0.03em;
      color: var(--text);
      white-space: nowrap;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      background:
        radial-gradient(circle at 30% 28%, #fff, rgba(255,255,255,0) 24%),
        linear-gradient(135deg, var(--primary), var(--primary-2) 52%, var(--accent));
      box-shadow: 0 12px 34px rgba(124, 60, 255, 0.34), inset 0 0 0 1px rgba(255,255,255,.25);
      position: relative;
      overflow: hidden;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      width: 18px;
      height: 18px;
      border: 3px solid rgba(7,9,23,.72);
      border-left-color: transparent;
      border-radius: 50%;
      top: 12px;
      left: 12px;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.05;
    }

    .brand-text strong {
      font-size: 17px;
    }

    .brand-text span {
      margin-top: 5px;
      font-size: 12px;
      color: var(--muted);
      letter-spacing: 0.08em;
    }

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

    .nav-home {
      display: none;
      color: var(--soft);
      font-size: 14px;
      padding: 9px 13px;
      border-radius: 999px;
      border: 1px solid transparent;
    }

    .nav-home:hover,
    .nav-home.active {
      color: #fff;
      background: rgba(255,255,255,0.08);
      border-color: rgba(255,255,255,0.12);
    }

    .btn-neon,
    .btn-ghost,
    .btn-soft {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 800;
      line-height: 1;
      cursor: pointer;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease), color var(--ease);
      user-select: none;
    }

    .btn-neon {
      color: #061020;
      background: linear-gradient(135deg, #ffffff, var(--primary-2) 42%, #b9fffc);
      box-shadow: 0 14px 34px rgba(0, 224, 255, 0.28), inset 0 -1px 0 rgba(0,0,0,.14);
    }

    .btn-neon:hover {
      color: #050915;
      transform: translateY(-2px);
      box-shadow: 0 18px 44px rgba(0, 224, 255, 0.38);
    }

    .btn-ghost {
      color: var(--text);
      background: rgba(255,255,255,0.075);
      border-color: rgba(255,255,255,0.16);
    }

    .btn-ghost:hover {
      color: #fff;
      background: rgba(255,255,255,0.12);
      border-color: rgba(255,255,255,0.26);
      transform: translateY(-2px);
    }

    .btn-soft {
      color: #fff;
      background: linear-gradient(135deg, rgba(124, 60, 255, 0.92), rgba(255, 78, 205, 0.88));
      box-shadow: 0 14px 32px rgba(124, 60, 255, 0.25);
    }

    .btn-soft:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 20px 46px rgba(255, 78, 205, 0.25);
    }

    .btn-neon:focus-visible,
    .btn-ghost:focus-visible,
    .btn-soft:focus-visible,
    .form-control:focus,
    .form-select:focus,
    .accordion-button:focus {
      outline: 3px solid rgba(0, 224, 255, 0.34);
      outline-offset: 3px;
      box-shadow: none;
    }

    main {
      position: relative;
    }

    .section {
      padding: 84px 0;
    }

    .section-tight {
      padding: 58px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 0.95fr) minmax(260px, 0.55fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 30px;
    }

    .section-kicker,
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      width: fit-content;
      margin-bottom: 14px;
      padding: 8px 12px;
      border: 1px solid rgba(255,255,255,0.14);
      border-radius: 999px;
      color: #dffcff;
      background: rgba(0, 224, 255, 0.08);
      font-size: 13px;
      font-weight: 800;
    }

    .section-title {
      margin: 0;
      font-size: clamp(28px, 4vw, 48px);
      line-height: 1.12;
      letter-spacing: -0.045em;
      font-weight: 950;
    }

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

    .gradient-text {
      background: linear-gradient(135deg, #fff 0%, #bdeeff 35%, #e2c5ff 72%, #ffd6f5 100%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .hero {
      padding: 46px 0 70px;
    }

    .hero-stage {
      position: relative;
      min-height: 620px;
      border: 1px solid rgba(255,255,255,0.16);
      border-radius: 38px;
      overflow: hidden;
      background:
        linear-gradient(115deg, rgba(7,9,23,0.24), rgba(7,9,23,0.8) 62%, rgba(7,9,23,0.94)),
        radial-gradient(circle at 20% 15%, rgba(0,224,255,0.3), transparent 32%),
        radial-gradient(circle at 84% 20%, rgba(255,78,205,0.38), transparent 34%),
        linear-gradient(135deg, #19205c, #090b1d 56%, #190d32);
      box-shadow: var(--shadow);
      isolation: isolate;
    }

    .hero-stage::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px);
      background-size: 54px 54px;
      opacity: .58;
      z-index: -1;
    }

    .hero-stage::after {
      content: "";
      position: absolute;
      inset: auto -10% -34% 8%;
      height: 320px;
      background: radial-gradient(ellipse at center, rgba(0,224,255,0.18), transparent 68%);
      filter: blur(2px);
      z-index: -1;
    }

    .live-ribbon {
      position: absolute;
      top: 24px;
      left: 24px;
      right: 24px;
      z-index: 2;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    .live-badge {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      padding: 9px 13px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.11);
      border: 1px solid rgba(255,255,255,0.18);
      color: #fff;
      font-weight: 900;
      backdrop-filter: blur(14px);
    }

    .live-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--danger);
      box-shadow: 0 0 0 8px rgba(255, 107, 139, 0.16), 0 0 22px rgba(255, 107, 139, 0.9);
    }

    .hero-content {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(330px, 0.58fr);
      gap: 28px;
      align-items: end;
      min-height: 620px;
      padding: 104px 36px 36px;
    }

    .hero-copy {
      max-width: 760px;
      padding: 26px;
      border-radius: 30px;
      background: linear-gradient(135deg, rgba(255,255,255,0.12), rgba(255,255,255,0.045));
      border: 1px solid rgba(255,255,255,0.16);
      backdrop-filter: blur(18px);
    }

    h1 {
      margin: 0 0 18px;
      max-width: 760px;
      font-size: clamp(38px, 7vw, 76px);
      line-height: 0.98;
      letter-spacing: -0.07em;
      font-weight: 950;
    }

    .hero-lead {
      max-width: 720px;
      margin: 0 0 24px;
      color: #d7ddff;
      font-size: clamp(16px, 2vw, 19px);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      margin-bottom: 22px;
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 20px;
    }

    .metric-pill {
      padding: 14px 16px;
      border-radius: 18px;
      background: rgba(7, 9, 23, 0.42);
      border: 1px solid rgba(255,255,255,0.12);
    }

    .metric-pill strong {
      display: block;
      font-size: 22px;
      line-height: 1.1;
      color: #fff;
    }

    .metric-pill span {
      display: block;
      margin-top: 5px;
      color: var(--muted);
      font-size: 13px;
    }

    .countdown-card {
      align-self: stretch;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 18px;
      padding: 24px;
      border-radius: 30px;
      background: rgba(7, 9, 23, 0.58);
      border: 1px solid rgba(255,255,255,0.16);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow-soft);
    }

    .cover-strip {
      position: relative;
      min-height: 182px;
      border-radius: 24px;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,0.12);
      background:
        linear-gradient(135deg, rgba(255, 78, 205, 0.64), rgba(124, 60, 255, 0.2) 44%, rgba(0, 224, 255, 0.45)),
        linear-gradient(160deg, #1b224d, #0a0d20);
    }

    .cover-strip::before,
    .cover-strip::after {
      content: "";
      position: absolute;
      border-radius: 999px;
      background: rgba(255,255,255,0.14);
      filter: blur(.2px);
    }

    .cover-strip::before {
      width: 220px;
      height: 220px;
      right: -80px;
      top: -64px;
      border: 1px solid rgba(255,255,255,.12);
    }

    .cover-strip::after {
      width: 98px;
      height: 98px;
      left: 24px;
      bottom: -32px;
      background: rgba(0, 224, 255, 0.22);
    }

    .cover-label {
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 18px;
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 12px;
    }

    .cover-label strong {
      display: block;
      font-size: 20px;
      line-height: 1.2;
    }

    .cover-label span {
      color: #e7eaff;
      font-size: 13px;
    }

    .play-mark {
      width: 46px;
      height: 46px;
      flex: 0 0 auto;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: #061020;
      background: #fff;
      box-shadow: 0 14px 30px rgba(0,0,0,.28);
    }

    .time-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
    }

    .time-cell {
      text-align: center;
      padding: 13px 8px;
      border-radius: 18px;
      border: 1px solid rgba(255,255,255,0.12);
      background: rgba(255,255,255,0.08);
    }

    .time-cell b {
      display: block;
      font-size: 24px;
      line-height: 1;
      color: #fff;
    }

    .time-cell span {
      display: block;
      margin-top: 7px;
      font-size: 12px;
      color: var(--muted);
    }

    .mini-form {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 10px;
    }

    .form-control,
    .form-select {
      min-height: 48px;
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,0.13);
      color: var(--text);
      background-color: rgba(255,255,255,0.075);
      transition: border-color var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .form-control:focus,
    .form-select:focus {
      color: var(--text);
      border-color: rgba(0, 224, 255, 0.62);
      background-color: rgba(255,255,255,0.1);
    }

    .form-select option {
      color: #101426;
      background: #ffffff;
    }

    .note {
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 13px;
    }

    .feature-row {
      display: grid;
      grid-template-columns: 1.1fr .95fr .95fr;
      gap: 18px;
    }

    .feature-card,
    .glass-card,
    .testimonial-card,
    .info-card,
    .partner-card {
      position: relative;
      border: 1px solid var(--border);
      background: var(--card);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-soft);
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease);
      overflow: hidden;
    }

    .feature-card {
      padding: 24px;
      min-height: 240px;
    }

    .feature-card:hover,
    .glass-card:hover,
    .testimonial-card:hover,
    .info-card:hover,
    .partner-card:hover {
      transform: translateY(-5px);
      background: var(--card-hover);
      border-color: rgba(255,255,255,0.24);
      box-shadow: 0 26px 68px rgba(0,0,0,0.33);
    }

    .feature-card.large {
      background:
        radial-gradient(circle at 88% 18%, rgba(0,224,255,0.22), transparent 32%),
        linear-gradient(135deg, rgba(124,60,255,0.26), rgba(255,255,255,0.07));
    }

    .feature-icon {
      width: 52px;
      height: 52px;
      display: grid;
      place-items: center;
      border-radius: 18px;
      margin-bottom: 18px;
      color: #061020;
      background: linear-gradient(135deg, #fff, var(--primary-2));
      font-size: 24px;
      font-weight: 950;
      box-shadow: 0 14px 34px rgba(0,224,255,.18);
    }

    .feature-card h3,
    .glass-card h3,
    .testimonial-card h3,
    .info-card h3 {
      margin: 0 0 10px;
      font-size: 21px;
      line-height: 1.28;
      font-weight: 900;
      letter-spacing: -0.02em;
    }

    .feature-card p,
    .glass-card p,
    .testimonial-card p,
    .info-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .badge-line {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
    }

    .tag,
    .data-badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,0.13);
      background: rgba(255,255,255,0.075);
      color: #e9edff;
      font-size: 12px;
      font-weight: 800;
    }

    .data-badge {
      color: #061020;
      border-color: transparent;
      background: linear-gradient(135deg, var(--gold), #fff3bd);
    }

    .demo-grid {
      display: grid;
      grid-template-columns: minmax(0, 0.78fr) minmax(0, 1fr);
      gap: 20px;
      align-items: stretch;
    }

    .demo-panel {
      padding: 28px;
      border-radius: var(--radius-xl);
      border: 1px solid var(--border);
      background:
        linear-gradient(145deg, rgba(255,255,255,0.12), rgba(255,255,255,0.055)),
        radial-gradient(circle at 0 0, rgba(124,60,255,0.18), transparent 34%);
      box-shadow: var(--shadow-soft);
    }

    .steps {
      display: grid;
      gap: 14px;
      margin-top: 22px;
    }

    .step-item {
      display: grid;
      grid-template-columns: 44px 1fr;
      gap: 14px;
      align-items: start;
      padding: 15px;
      border-radius: 20px;
      background: rgba(255,255,255,0.065);
      border: 1px solid rgba(255,255,255,0.1);
    }

    .step-num {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      border-radius: 15px;
      color: #041021;
      background: linear-gradient(135deg, var(--primary-2), #fff);
      font-weight: 950;
    }

    .step-item strong {
      display: block;
      margin-bottom: 4px;
      font-size: 16px;
    }

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

    .scenario-board {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }

    .glass-card {
      padding: 22px;
      min-height: 178px;
    }

    .glass-card.wide {
      grid-column: 1 / -1;
      min-height: 190px;
      background:
        linear-gradient(135deg, rgba(0,224,255,0.13), rgba(255,255,255,0.06)),
        radial-gradient(circle at 92% 20%, rgba(255,78,205,.22), transparent 34%);
    }

    .mini-list {
      list-style: none;
      padding: 0;
      margin: 18px 0 0;
      display: grid;
      gap: 10px;
    }

    .mini-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: var(--soft);
      font-size: 14px;
    }

    .mini-list li::before {
      content: "";
      width: 9px;
      height: 9px;
      flex: 0 0 auto;
      margin-top: 9px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 18px rgba(54,243,166,.58);
    }

    .social-grid {
      display: grid;
      grid-template-columns: 1.05fr 1fr;
      gap: 20px;
    }

    .proof-panel {
      padding: 28px;
      border-radius: var(--radius-xl);
      border: 1px solid var(--border);
      background:
        radial-gradient(circle at 12% 18%, rgba(0,224,255,.18), transparent 32%),
        linear-gradient(145deg, rgba(255,255,255,.11), rgba(255,255,255,.055));
      box-shadow: var(--shadow-soft);
    }

    .proof-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 22px;
    }

    .stat-box {
      padding: 18px 14px;
      border-radius: 20px;
      border: 1px solid rgba(255,255,255,.1);
      background: rgba(7,9,23,.42);
    }

    .stat-box b {
      display: block;
      font-size: 28px;
      line-height: 1.05;
      letter-spacing: -0.04em;
    }

    .stat-box span {
      display: block;
      margin-top: 8px;
      color: var(--muted);
      font-size: 13px;
    }

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

    .testimonial-card {
      padding: 20px;
    }

    .avatar-line {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 10px;
    }

    .avatar {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      color: #061020;
      background: linear-gradient(135deg, var(--gold), #fff);
      font-weight: 950;
    }

    .avatar-line strong {
      display: block;
      line-height: 1.15;
    }

    .avatar-line span {
      display: block;
      color: var(--muted);
      font-size: 12px;
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(300px, .46fr);
      gap: 22px;
      align-items: start;
    }

    .news-list {
      border: 1px solid var(--border);
      border-radius: var(--radius-xl);
      background: rgba(255,255,255,0.065);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
    }

    .news-item {
      display: grid;
      grid-template-columns: 118px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 20px 22px;
      border-bottom: 1px solid rgba(255,255,255,0.1);
      transition: background var(--ease), transform var(--ease);
    }

    .news-item:last-child {
      border-bottom: 0;
    }

    .news-item:hover {
      background: rgba(255,255,255,0.075);
      transform: translateX(4px);
    }

    .news-date {
      color: var(--primary-2);
      font-weight: 900;
      font-size: 13px;
    }

    .news-item h3 {
      margin: 0 0 5px;
      font-size: 18px;
      line-height: 1.35;
      font-weight: 900;
    }

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

    .arrow {
      width: 36px;
      height: 36px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: rgba(255,255,255,0.08);
      color: var(--soft);
    }

    .news-item:hover .arrow {
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #fff;
    }

    .recommend-card {
      padding: 24px;
      border-radius: var(--radius-xl);
      border: 1px solid var(--border);
      background:
        radial-gradient(circle at 90% 10%, rgba(255,78,205,.2), transparent 30%),
        rgba(255,255,255,0.075);
      box-shadow: var(--shadow-soft);
      position: sticky;
      top: calc(var(--header-h) + 20px);
    }

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

    .track {
      display: grid;
      gap: 10px;
      margin: 18px 0;
    }

    .track a {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 13px 14px;
      border-radius: 16px;
      color: var(--soft);
      background: rgba(255,255,255,0.065);
      border: 1px solid rgba(255,255,255,0.1);
    }

    .track a:hover {
      color: #fff;
      background: rgba(255,255,255,0.12);
      transform: translateY(-2px);
    }

    .track small {
      color: var(--muted);
      white-space: nowrap;
    }

    .affiliate-grid {
      display: grid;
      grid-template-columns: 0.88fr 1.12fr;
      gap: 20px;
    }

    .commission-card {
      padding: 28px;
      border-radius: var(--radius-xl);
      border: 1px solid rgba(255,255,255,.16);
      background:
        linear-gradient(135deg, rgba(255,209,102,0.18), rgba(255,255,255,0.06)),
        radial-gradient(circle at 80% 14%, rgba(0,224,255,.16), transparent 34%);
      box-shadow: var(--shadow-soft);
    }

    .commission-rate {
      display: flex;
      align-items: baseline;
      gap: 10px;
      margin: 16px 0 8px;
    }

    .commission-rate b {
      font-size: clamp(46px, 7vw, 72px);
      line-height: .95;
      letter-spacing: -0.07em;
    }

    .commission-rate span {
      color: var(--gold);
      font-weight: 900;
    }

    .material-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }

    .material-item {
      padding: 18px;
      border-radius: 22px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.065);
    }

    .material-item strong {
      display: block;
      margin-bottom: 7px;
      font-size: 16px;
    }

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

    .accordion {
      --bs-accordion-bg: transparent;
      --bs-accordion-border-color: rgba(255,255,255,.12);
      --bs-accordion-border-radius: 24px;
      --bs-accordion-inner-border-radius: 24px;
      display: grid;
      gap: 12px;
    }

    .accordion-item {
      overflow: hidden;
      border-radius: 22px !important;
      border: 1px solid rgba(255,255,255,.13) !important;
      background: rgba(255,255,255,0.065) !important;
    }

    .accordion-button {
      padding: 20px 22px;
      color: var(--text);
      background: rgba(255,255,255,0.035);
      font-weight: 900;
      border: 0;
    }

    .accordion-button:not(.collapsed) {
      color: #fff;
      background: linear-gradient(135deg, rgba(124,60,255,.24), rgba(0,224,255,.1));
      box-shadow: none;
    }

    .accordion-button::after {
      filter: invert(1);
      opacity: .76;
    }

    .accordion-body {
      padding: 0 22px 22px;
      color: var(--muted);
    }

    .cta-panel {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(320px, .62fr);
      gap: 22px;
      align-items: stretch;
      padding: 30px;
      border-radius: 36px;
      border: 1px solid rgba(255,255,255,.16);
      background:
        radial-gradient(circle at 8% 0, rgba(0,224,255,.22), transparent 30%),
        radial-gradient(circle at 88% 16%, rgba(255,78,205,.24), transparent 34%),
        linear-gradient(135deg, rgba(124,60,255,.18), rgba(255,255,255,.07));
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .cta-copy {
      padding: 12px;
    }

    .cta-copy h2 {
      margin: 0 0 14px;
      font-size: clamp(30px, 4vw, 52px);
      line-height: 1.08;
      letter-spacing: -0.05em;
      font-weight: 950;
    }

    .cta-copy p {
      max-width: 650px;
      margin: 0 0 22px;
      color: var(--soft);
    }

    .subscribe-card {
      padding: 24px;
      border-radius: 28px;
      border: 1px solid rgba(255,255,255,.15);
      background: rgba(7,9,23,.58);
      backdrop-filter: blur(16px);
    }

    .subscribe-card .row {
      --bs-gutter-x: 12px;
      --bs-gutter-y: 12px;
    }

    .form-label {
      color: #e9edff;
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 7px;
    }

    .form-message {
      display: none;
      margin-top: 14px;
      padding: 12px 14px;
      border-radius: 16px;
      color: #061020;
      background: linear-gradient(135deg, var(--green), #dfffe9);
      font-weight: 800;
    }

    .form-message.show {
      display: block;
    }

    .site-footer {
      padding: 44px 0 34px;
      border-top: 1px solid rgba(255,255,255,.1);
      background: rgba(2, 4, 12, 0.48);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 950;
    }

    .footer-text {
      margin: 12px 0 0;
      max-width: 720px;
      color: var(--muted);
      font-size: 14px;
    }

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

    .footer-links a {
      padding: 9px 12px;
      border-radius: 999px;
      color: var(--muted);
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(255,255,255,.08);
      font-size: 13px;
    }

    .footer-links a:hover {
      color: #fff;
      background: rgba(255,255,255,.1);
    }

    .copyright {
      margin-top: 24px;
      padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,.08);
      color: rgba(214,219,255,.68);
      font-size: 13px;
      display: flex;
      justify-content: space-between;
      gap: 14px;
      flex-wrap: wrap;
    }

    @media (max-width: 1024px) {
      .container {
        width: min(100% - 32px, 940px);
      }

      .hero-content,
      .section-head,
      .demo-grid,
      .social-grid,
      .news-layout,
      .affiliate-grid,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      .countdown-card {
        align-self: auto;
      }

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

      .feature-card.large {
        grid-column: 1 / -1;
      }

      .recommend-card {
        position: relative;
        top: 0;
      }
    }

    @media (max-width: 768px) {
      :root {
        --header-h: 68px;
      }

      .container {
        width: min(100% - 24px, 720px);
      }

      .brand-text span {
        display: none;
      }

      .brand-text strong {
        font-size: 15px;
      }

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

      .nav-home {
        display: none;
      }

      .site-header .btn-neon {
        min-height: 40px;
        padding: 10px 13px;
        font-size: 13px;
      }

      .hero {
        padding-top: 28px;
      }

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

      .hero-content {
        padding: 92px 18px 18px;
      }

      .hero-copy,
      .countdown-card {
        padding: 20px;
        border-radius: 24px;
      }

      .hero-metrics,
      .proof-stats,
      .material-grid,
      .scenario-board {
        grid-template-columns: 1fr;
      }

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

      .section {
        padding: 62px 0;
      }

      .section-tight {
        padding: 44px 0;
      }

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

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

      .mini-form {
        grid-template-columns: 1fr;
      }

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

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

    @media (max-width: 520px) {
      .container {
        width: min(100% - 20px, 480px);
      }

      .nav-shell {
        gap: 8px;
      }

      .brand-logo {
        gap: 9px;
      }

      .brand-text strong {
        max-width: 178px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .hero-stage {
        border-radius: 26px;
      }

      .live-ribbon {
        top: 14px;
        left: 14px;
        right: 14px;
      }

      .live-badge {
        font-size: 12px;
        padding: 8px 10px;
      }

      h1 {
        font-size: clamp(35px, 13vw, 54px);
      }

      .hero-actions {
        align-items: stretch;
      }

      .hero-actions .btn-neon,
      .hero-actions .btn-ghost,
      .hero-actions .btn-soft {
        width: 100%;
      }

      .time-grid {
        gap: 8px;
      }

      .time-cell {
        padding: 11px 5px;
      }

      .time-cell b {
        font-size: 20px;
      }

      .section-head {
        margin-bottom: 22px;
      }

      .feature-card,
      .glass-card,
      .proof-panel,
      .commission-card,
      .recommend-card,
      .subscribe-card {
        padding: 20px;
        border-radius: 22px;
      }

      .cta-panel {
        padding: 18px;
        border-radius: 26px;
      }
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}