/* roulang page: index */
:root {
      --bg: #f7f5ff;
      --bg-2: #fffaf4;
      --panel: rgba(255, 255, 255, 0.86);
      --panel-solid: #ffffff;
      --text: #17152b;
      --muted: #69657e;
      --soft: #8d88a6;
      --primary: #6d5dfc;
      --primary-2: #8b5cf6;
      --accent: #ff7a59;
      --accent-2: #14c8a8;
      --warning: #ffc857;
      --line: rgba(39, 32, 86, 0.12);
      --line-strong: rgba(39, 32, 86, 0.2);
      --shadow: 0 24px 70px rgba(49, 39, 126, 0.15);
      --shadow-sm: 0 14px 34px rgba(49, 39, 126, 0.10);
      --radius-lg: 32px;
      --radius-md: 22px;
      --radius-sm: 14px;
      --container: 1180px;
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font);
      color: var(--text);
      line-height: 1.72;
      background:
        radial-gradient(circle at 8% 8%, rgba(109, 93, 252, 0.16), transparent 33%),
        radial-gradient(circle at 92% 10%, rgba(255, 122, 89, 0.14), transparent 28%),
        linear-gradient(180deg, var(--bg) 0%, #ffffff 38%, var(--bg-2) 100%);
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

    button, input, textarea {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    input, textarea {
      border: 0;
      outline: 0;
      width: 100%;
    }

    ::selection {
      background: rgba(109, 93, 252, 0.22);
      color: var(--text);
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(252, 250, 255, 0.88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
    }

    .masthead {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
      padding: 18px 0 14px;
    }

    .brand-block {
      display: flex;
      align-items: center;
      gap: 18px;
      min-width: 0;
    }

    .brand-mark {
      width: 50px;
      height: 50px;
      border-radius: 18px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 900;
      letter-spacing: -1px;
      box-shadow: 0 14px 34px rgba(109, 93, 252, 0.28);
      flex: 0 0 auto;
    }

    .brand-name {
      font-size: clamp(24px, 3vw, 42px);
      line-height: 1.05;
      font-weight: 900;
      letter-spacing: -1.6px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .brand-sub {
      margin-top: 6px;
      color: var(--muted);
      font-size: 13px;
      letter-spacing: 0.12em;
    }

    .mag-line {
      width: 1px;
      height: 58px;
      background: var(--line-strong);
    }

    .main-nav {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 14px;
    }

    .nav-link {
      padding: 10px 16px;
      border-radius: 999px;
      color: var(--muted);
      font-weight: 800;
      transition: 0.22s ease;
    }

    .nav-link:hover,
    .nav-link:focus {
      color: var(--primary);
      background: rgba(109, 93, 252, 0.09);
    }

    .nav-link.active {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 10px 22px rgba(109, 93, 252, 0.22);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 16px;
      border-radius: 999px;
      background: #17152b;
      color: #fff;
      font-weight: 850;
      transition: 0.22s ease;
    }

    .nav-cta:hover,
    .nav-cta:focus {
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
      background: #282145;
    }

    .section {
      padding: 76px 0;
      position: relative;
    }

    .section-tight {
      padding: 56px 0;
    }

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

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--primary);
      background: rgba(109, 93, 252, 0.1);
      border: 1px solid rgba(109, 93, 252, 0.16);
      border-radius: 999px;
      padding: 7px 12px;
      font-size: 13px;
      font-weight: 850;
      margin-bottom: 12px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: currentColor;
      box-shadow: 0 0 0 5px rgba(109, 93, 252, 0.12);
    }

    .section-title {
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.12;
      letter-spacing: -1.3px;
      font-weight: 900;
    }

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

    .hero {
      min-height: 720px;
      display: flex;
      align-items: center;
      padding: 54px 0 76px;
    }

    .hero-stage {
      position: relative;
      width: 100%;
      border-radius: 42px;
      overflow: hidden;
      background:
        linear-gradient(115deg, rgba(23, 21, 43, 0.86), rgba(57, 45, 143, 0.72)),
        radial-gradient(circle at 78% 25%, rgba(255, 122, 89, 0.7), transparent 30%),
        linear-gradient(135deg, #25213d, #6d5dfc);
      color: #fff;
      box-shadow: var(--shadow);
      min-height: 620px;
      isolation: isolate;
    }

    .hero-stage::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        repeating-linear-gradient(90deg, rgba(255,255,255,0.055) 0 1px, transparent 1px 92px),
        linear-gradient(180deg, rgba(255,255,255,0.08), transparent 38%);
      opacity: 0.72;
      z-index: -1;
    }

    .hero-stage::after {
      content: "";
      position: absolute;
      inset: auto -12% -34% 18%;
      height: 320px;
      background: radial-gradient(ellipse, rgba(255, 200, 87, 0.35), transparent 62%);
      filter: blur(10px);
      z-index: -1;
    }

    .video-ribbon {
      position: absolute;
      top: 34px;
      right: 34px;
      left: 34px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: rgba(255,255,255,0.78);
      font-size: 13px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }

    .video-ribbon span {
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }

    .video-ribbon i {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #ff5d5d;
      box-shadow: 0 0 0 8px rgba(255, 93, 93, 0.14);
      display: inline-block;
    }

    .hero-content {
      padding: 100px 44px 44px;
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(330px, 0.62fr);
      gap: 34px;
      align-items: stretch;
    }

    .hero-copy {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 34px;
    }

    h1 {
      font-size: clamp(38px, 6.2vw, 76px);
      line-height: 0.98;
      letter-spacing: -3px;
      max-width: 850px;
      font-weight: 950;
    }

    .hero-lead {
      max-width: 760px;
      color: rgba(255, 255, 255, 0.84);
      font-size: clamp(16px, 2vw, 20px);
      margin-top: 22px;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 48px;
      padding: 13px 20px;
      border-radius: 999px;
      font-weight: 900;
      transition: 0.22s ease;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--accent), #ffb26b);
      color: #241225;
      box-shadow: 0 16px 30px rgba(255, 122, 89, 0.28);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      transform: translateY(-3px);
      box-shadow: 0 22px 40px rgba(255, 122, 89, 0.34);
    }

    .btn-ghost {
      background: rgba(255, 255, 255, 0.12);
      color: #fff;
      border-color: rgba(255, 255, 255, 0.24);
      backdrop-filter: blur(12px);
    }

    .btn-ghost:hover,
    .btn-ghost:focus {
      background: rgba(255, 255, 255, 0.18);
      transform: translateY(-3px);
    }

    .btn-dark {
      background: var(--text);
      color: #fff;
      box-shadow: 0 16px 32px rgba(23, 21, 43, 0.18);
    }

    .btn-dark:hover,
    .btn-dark:focus {
      transform: translateY(-3px);
      background: #2a2545;
    }

    .btn-light {
      background: #fff;
      color: var(--primary);
      border-color: var(--line);
    }

    .btn-light:hover,
    .btn-light:focus {
      transform: translateY(-3px);
      box-shadow: var(--shadow-sm);
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      margin-top: 34px;
    }

    .metric {
      padding: 16px;
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.18);
    }

    .metric strong {
      display: block;
      font-size: 26px;
      line-height: 1;
      margin-bottom: 6px;
    }

    .metric span {
      color: rgba(255, 255, 255, 0.74);
      font-size: 13px;
    }

    .pledge-panel {
      border-radius: 32px;
      padding: 24px;
      background: rgba(255, 255, 255, 0.14);
      border: 1px solid rgba(255,255,255,0.24);
      backdrop-filter: blur(20px);
      display: flex;
      flex-direction: column;
      gap: 20px;
      box-shadow: 0 24px 70px rgba(0,0,0,0.18);
    }

    .progress-wrap {
      display: grid;
      grid-template-columns: 154px 1fr;
      gap: 20px;
      align-items: center;
    }

    .progress-ring {
      width: 154px;
      height: 154px;
      border-radius: 50%;
      background: conic-gradient(var(--warning) 0deg 252deg, rgba(255,255,255,0.18) 252deg 360deg);
      display: grid;
      place-items: center;
      position: relative;
    }

    .progress-ring::after {
      content: "";
      position: absolute;
      inset: 14px;
      border-radius: 50%;
      background: rgba(31, 27, 65, 0.86);
      border: 1px solid rgba(255,255,255,0.18);
    }

    .progress-ring .inside {
      position: relative;
      z-index: 1;
      text-align: center;
    }

    .progress-ring strong {
      font-size: 36px;
      line-height: 1;
      display: block;
    }

    .progress-ring span {
      font-size: 12px;
      color: rgba(255,255,255,0.72);
    }

    .pledge-title {
      font-size: 22px;
      font-weight: 950;
      line-height: 1.2;
      margin-bottom: 8px;
    }

    .pledge-text {
      color: rgba(255,255,255,0.76);
      font-size: 14px;
    }

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

    .tier {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 14px;
      border-radius: 20px;
      background: rgba(255,255,255,0.11);
      border: 1px solid rgba(255,255,255,0.16);
      transition: 0.22s ease;
    }

    .tier:hover {
      background: rgba(255,255,255,0.16);
      transform: translateY(-2px);
    }

    .tier b {
      display: block;
      font-size: 15px;
    }

    .tier small {
      color: rgba(255,255,255,0.66);
      display: block;
      margin-top: 2px;
    }

    .tier em {
      font-style: normal;
      font-weight: 950;
      color: #ffe19b;
      white-space: nowrap;
    }

    .hero-note {
      padding: 14px 16px;
      border-radius: 20px;
      background: rgba(20, 200, 168, 0.13);
      border: 1px solid rgba(20, 200, 168, 0.28);
      color: rgba(255,255,255,0.82);
      font-size: 13px;
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 360px;
      gap: 24px;
      align-items: start;
    }

    .news-list,
    .recommend-card,
    .glass-card,
    .feature-card,
    .scene-card,
    .hot-card,
    .app-card,
    .review-card,
    .price-card,
    .faq-item,
    .about-card {
      background: var(--panel-solid);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }

    .news-list {
      padding: 10px;
    }

    .news-item {
      display: grid;
      grid-template-columns: 104px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 18px;
      border-radius: 18px;
      transition: 0.22s ease;
    }

    .news-item + .news-item {
      border-top: 1px solid var(--line);
    }

    .news-item:hover,
    .news-item:focus-within {
      background: rgba(109, 93, 252, 0.06);
      transform: translateX(3px);
    }

    .date-badge {
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(109,93,252,0.12), rgba(255,122,89,0.12));
      min-height: 64px;
      color: var(--primary);
      font-weight: 900;
    }

    .date-badge small {
      color: var(--soft);
      font-weight: 700;
      font-size: 12px;
    }

    .news-item h3 {
      font-size: 18px;
      line-height: 1.35;
      margin-bottom: 4px;
    }

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

    .arrow {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: rgba(109, 93, 252, 0.1);
      color: var(--primary);
      font-weight: 900;
    }

    .recommend-card {
      padding: 24px;
      position: sticky;
      top: 104px;
      overflow: hidden;
    }

    .recommend-card::before {
      content: "";
      position: absolute;
      right: -60px;
      top: -60px;
      width: 150px;
      height: 150px;
      border-radius: 50%;
      background: rgba(255,122,89,0.12);
    }

    .score {
      display: flex;
      align-items: baseline;
      gap: 8px;
      margin: 12px 0 10px;
    }

    .score strong {
      font-size: 48px;
      line-height: 1;
      color: var(--primary);
    }

    .score span {
      color: var(--muted);
    }

    .mini-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(23, 21, 43, 0.05);
      color: var(--muted);
      font-size: 13px;
      font-weight: 750;
      border: 1px solid var(--line);
    }

    .feature-wrap {
      display: grid;
      grid-template-columns: 0.82fr 1.18fr;
      gap: 24px;
      align-items: stretch;
    }

    .feature-lead {
      padding: 30px;
      border-radius: var(--radius-lg);
      background: linear-gradient(135deg, #17152b, #4738b8);
      color: #fff;
      box-shadow: var(--shadow);
      min-height: 430px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      overflow: hidden;
    }

    .feature-lead::after {
      content: "";
      position: absolute;
      right: -80px;
      bottom: -80px;
      width: 260px;
      height: 260px;
      background: radial-gradient(circle, rgba(255,200,87,0.45), transparent 66%);
    }

    .feature-lead h2 {
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.1;
      letter-spacing: -1px;
      margin-bottom: 14px;
    }

    .feature-lead p {
      color: rgba(255,255,255,0.78);
    }

    .check-list {
      display: grid;
      gap: 12px;
      margin-top: 26px;
    }

    .check-list li {
      list-style: none;
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: rgba(255,255,255,0.84);
    }

    .check-list li::before {
      content: "✓";
      flex: 0 0 auto;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: rgba(20,200,168,0.22);
      color: #9ff3e4;
      font-weight: 900;
      margin-top: 2px;
    }

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

    .feature-card {
      padding: 24px;
      transition: 0.22s ease;
    }

    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow);
    }

    .icon {
      width: 48px;
      height: 48px;
      border-radius: 17px;
      display: grid;
      place-items: center;
      font-size: 22px;
      background: linear-gradient(135deg, rgba(109,93,252,0.13), rgba(255,122,89,0.13));
      margin-bottom: 16px;
    }

    .feature-card h3,
    .scene-card h3,
    .app-card h3,
    .price-card h3,
    .about-card h3 {
      font-size: 20px;
      line-height: 1.25;
      margin-bottom: 8px;
    }

    .feature-card p,
    .scene-card p,
    .hot-card p,
    .app-card p,
    .review-card p,
    .price-card p,
    .about-card p {
      color: var(--muted);
      font-size: 15px;
    }

    .scene-strip {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 18px;
    }

    .scene-card {
      padding: 26px;
      position: relative;
      overflow: hidden;
      min-height: 250px;
      transition: 0.22s ease;
    }

    .scene-card:nth-child(2) {
      transform: translateY(26px);
    }

    .scene-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow);
    }

    .scene-card:nth-child(2):hover {
      transform: translateY(18px);
    }

    .scene-number {
      position: absolute;
      right: 20px;
      bottom: -18px;
      font-size: 96px;
      line-height: 1;
      font-weight: 950;
      color: rgba(109,93,252,0.09);
      letter-spacing: -6px;
    }

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

    .hot-card {
      display: grid;
      grid-template-columns: 70px minmax(0, 1fr) auto;
      gap: 18px;
      align-items: center;
      padding: 18px;
      transition: 0.22s ease;
    }

    .hot-card:hover {
      transform: translateX(4px);
      box-shadow: var(--shadow);
    }

    .rank {
      width: 56px;
      height: 56px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      font-size: 22px;
      font-weight: 950;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--accent));
    }

    .hot-card h3 {
      margin-bottom: 3px;
    }

    .small-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 38px;
      padding: 8px 13px;
      border-radius: 999px;
      background: rgba(109,93,252,0.1);
      color: var(--primary);
      font-weight: 850;
      transition: 0.22s ease;
      white-space: nowrap;
    }

    .small-btn:hover,
    .small-btn:focus {
      background: var(--primary);
      color: #fff;
    }

    .app-panel {
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(109,93,252,0.96), rgba(139,92,246,0.88)),
        radial-gradient(circle at 84% 20%, rgba(255,200,87,0.35), transparent 34%);
      color: #fff;
      padding: 34px;
      display: grid;
      grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
      gap: 28px;
      box-shadow: var(--shadow);
      overflow: hidden;
      position: relative;
    }

    .app-panel::before {
      content: "";
      position: absolute;
      inset: 20px;
      border: 1px solid rgba(255,255,255,0.14);
      border-radius: 26px;
      pointer-events: none;
    }

    .app-copy {
      position: relative;
      z-index: 1;
    }

    .app-copy h2 {
      font-size: clamp(30px, 4vw, 48px);
      line-height: 1.1;
      letter-spacing: -1.2px;
      margin-bottom: 14px;
    }

    .app-copy p {
      color: rgba(255,255,255,0.78);
      margin-bottom: 24px;
    }

    .app-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .app-card {
      padding: 22px;
      background: rgba(255,255,255,0.13);
      border-color: rgba(255,255,255,0.18);
      color: #fff;
      backdrop-filter: blur(14px);
    }

    .app-card p {
      color: rgba(255,255,255,0.74);
    }

    .reviews-area {
      display: grid;
      grid-template-columns: 330px 1fr;
      gap: 24px;
      align-items: start;
    }

    .rating-box {
      padding: 30px;
      border-radius: var(--radius-lg);
      background: linear-gradient(135deg, #fff, #fff6ef);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
    }

    .stars {
      color: #ffb703;
      letter-spacing: 3px;
      font-size: 22px;
      margin: 10px 0;
    }

    .rating-box strong {
      display: block;
      font-size: 54px;
      line-height: 1;
      letter-spacing: -2px;
    }

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

    .review-card {
      padding: 22px;
    }

    .reviewer {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 16px;
      color: var(--muted);
      font-weight: 800;
    }

    .avatar {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      font-size: 14px;
    }

    .price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      align-items: stretch;
    }

    .price-card {
      padding: 26px;
      position: relative;
      overflow: hidden;
      transition: 0.22s ease;
    }

    .price-card.featured {
      background: linear-gradient(135deg, #17152b, #4937b6);
      color: #fff;
      transform: translateY(-12px);
      box-shadow: var(--shadow);
    }

    .price-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow);
    }

    .price-card.featured:hover {
      transform: translateY(-17px);
    }

    .price-card.featured p,
    .price-card.featured li {
      color: rgba(255,255,255,0.76);
    }

    .price {
      font-size: 42px;
      line-height: 1;
      font-weight: 950;
      margin: 18px 0 12px;
    }

    .price small {
      font-size: 14px;
      color: var(--soft);
      font-weight: 800;
    }

    .price-card.featured .price small {
      color: rgba(255,255,255,0.58);
    }

    .price-card ul {
      list-style: none;
      display: grid;
      gap: 10px;
      margin: 20px 0;
    }

    .price-card li {
      color: var(--muted);
      display: flex;
      gap: 9px;
      align-items: flex-start;
    }

    .price-card li::before {
      content: "•";
      color: var(--accent);
      font-size: 24px;
      line-height: 0.8;
    }

    .popular {
      position: absolute;
      top: 18px;
      right: 18px;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(255, 200, 87, 0.2);
      color: #ffe19b;
      border: 1px solid rgba(255, 200, 87, 0.3);
      font-size: 12px;
      font-weight: 900;
    }

    .faq-layout {
      display: grid;
      grid-template-columns: 0.72fr 1.28fr;
      gap: 28px;
      align-items: start;
    }

    .faq-aside {
      padding: 28px;
      border-radius: var(--radius-lg);
      background: linear-gradient(135deg, rgba(20,200,168,0.14), rgba(109,93,252,0.1));
      border: 1px solid var(--line);
    }

    .faq-aside h2 {
      font-size: 34px;
      line-height: 1.1;
      margin-bottom: 12px;
    }

    .faq-aside p {
      color: var(--muted);
    }

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

    .faq-item {
      padding: 22px;
      transition: 0.22s ease;
    }

    .faq-item:hover {
      box-shadow: var(--shadow-sm);
      transform: translateY(-2px);
    }

    .faq-item summary {
      cursor: pointer;
      font-weight: 900;
      font-size: 18px;
      list-style: none;
      display: flex;
      justify-content: space-between;
      gap: 16px;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      content: "+";
      width: 30px;
      height: 30px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: rgba(109,93,252,0.1);
      color: var(--primary);
      flex: 0 0 auto;
    }

    .faq-item[open] summary::after {
      content: "−";
      background: var(--primary);
      color: #fff;
    }

    .faq-item p {
      color: var(--muted);
      margin-top: 14px;
      padding-top: 14px;
      border-top: 1px solid var(--line);
    }

    .about-wrap {
      display: grid;
      grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.65fr);
      gap: 24px;
      align-items: stretch;
    }

    .about-card {
      padding: 30px;
      overflow: hidden;
      position: relative;
    }

    .about-card.large {
      background:
        linear-gradient(135deg, rgba(255,255,255,0.94), rgba(247,245,255,0.94)),
        radial-gradient(circle at 100% 0%, rgba(255,122,89,0.18), transparent 34%);
    }

    .about-points {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      margin-top: 24px;
    }

    .point {
      padding: 16px;
      border-radius: 18px;
      background: rgba(109,93,252,0.07);
      border: 1px solid var(--line);
    }

    .point b {
      display: block;
      margin-bottom: 5px;
    }

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

    .lead-form {
      display: grid;
      gap: 13px;
      margin-top: 18px;
    }

    .field {
      display: grid;
      gap: 7px;
    }

    .field label {
      font-size: 13px;
      color: var(--muted);
      font-weight: 850;
    }

    .field input,
    .field textarea {
      min-height: 48px;
      border-radius: 16px;
      background: rgba(23, 21, 43, 0.045);
      border: 1px solid var(--line);
      padding: 12px 14px;
      color: var(--text);
      transition: 0.22s ease;
    }

    .field textarea {
      resize: vertical;
      min-height: 88px;
    }

    .field input:focus,
    .field textarea:focus {
      border-color: rgba(109,93,252,0.55);
      box-shadow: 0 0 0 4px rgba(109,93,252,0.12);
      background: #fff;
    }

    .privacy-note {
      color: var(--soft);
      font-size: 12px;
      line-height: 1.6;
    }

    .form-message {
      min-height: 24px;
      color: var(--accent-2);
      font-size: 13px;
      font-weight: 850;
    }

    .site-footer {
      padding: 46px 0 34px;
      background: #17152b;
      color: #fff;
      margin-top: 40px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
      padding-bottom: 26px;
      border-bottom: 1px solid rgba(255,255,255,0.12);
    }

    .footer-brand {
      font-size: 26px;
      font-weight: 950;
      letter-spacing: -0.7px;
      margin-bottom: 8px;
    }

    .footer-desc {
      color: rgba(255,255,255,0.68);
      max-width: 680px;
    }

    .footer-links {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .footer-links a {
      padding: 9px 13px;
      border-radius: 999px;
      color: rgba(255,255,255,0.72);
      background: rgba(255,255,255,0.06);
      transition: 0.22s ease;
    }

    .footer-links a:hover,
    .footer-links a:focus {
      color: #fff;
      background: rgba(255,255,255,0.12);
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      color: rgba(255,255,255,0.52);
      font-size: 13px;
      padding-top: 22px;
    }

    .floating-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      z-index: 45;
      display: flex;
      gap: 12px;
      align-items: center;
      padding: 10px 12px 10px 18px;
      border-radius: 999px;
      background: rgba(23, 21, 43, 0.88);
      color: #fff;
      border: 1px solid rgba(255,255,255,0.16);
      box-shadow: 0 20px 50px rgba(23,21,43,0.25);
      backdrop-filter: blur(16px);
      max-width: calc(100% - 28px);
    }

    .floating-cta span {
      font-size: 13px;
      color: rgba(255,255,255,0.74);
      white-space: nowrap;
    }

    .floating-cta a {
      padding: 9px 13px;
      border-radius: 999px;
      background: #fff;
      color: var(--primary);
      font-weight: 900;
      white-space: nowrap;
    }

    .skip-link {
      position: absolute;
      left: 16px;
      top: -80px;
      background: var(--text);
      color: #fff;
      padding: 10px 14px;
      border-radius: 12px;
      z-index: 100;
      transition: 0.2s ease;
    }

    .skip-link:focus {
      top: 16px;
    }

    @media (max-width: 1024px) {
      .masthead {
        grid-template-columns: 1fr;
      }

      .main-nav {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 4px;
      }

      .hero-content,
      .feature-wrap,
      .app-panel,
      .reviews-area,
      .faq-layout,
      .about-wrap,
      .news-layout {
        grid-template-columns: 1fr;
      }

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

      .progress-wrap {
        grid-template-columns: 140px 1fr;
      }

      .progress-ring {
        width: 140px;
        height: 140px;
      }

      .scene-strip,
      .price-grid {
        grid-template-columns: 1fr;
      }

      .scene-card:nth-child(2),
      .price-card.featured {
        transform: none;
      }

      .scene-card:nth-child(2):hover,
      .price-card.featured:hover {
        transform: translateY(-5px);
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 26px, var(--container));
      }

      .section {
        padding: 56px 0;
      }

      .masthead {
        gap: 12px;
      }

      .brand-block {
        gap: 12px;
      }

      .brand-mark {
        width: 44px;
        height: 44px;
        border-radius: 15px;
      }

      .brand-name {
        font-size: 24px;
        white-space: normal;
        letter-spacing: -0.8px;
      }

      .brand-sub,
      .mag-line,
      .nav-cta {
        display: none;
      }

      .main-nav {
        gap: 8px;
      }

      .nav-link {
        padding: 9px 13px;
        font-size: 14px;
      }

      .section-head {
        grid-template-columns: 1fr;
        margin-bottom: 22px;
      }

      .hero {
        min-height: auto;
        padding: 26px 0 48px;
      }

      .hero-stage {
        border-radius: 28px;
        min-height: auto;
      }

      .video-ribbon {
        position: static;
        padding: 20px 20px 0;
        gap: 12px;
        flex-wrap: wrap;
      }

      .hero-content {
        padding: 34px 20px 20px;
        gap: 22px;
      }

      h1 {
        letter-spacing: -1.7px;
      }

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

      .hero-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

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

      .progress-wrap {
        grid-template-columns: 1fr;
        justify-items: center;
        text-align: center;
      }

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

      .arrow {
        display: none;
      }

      .feature-grid,
      .app-grid,
      .review-grid,
      .about-points {
        grid-template-columns: 1fr;
      }

      .hot-card {
        grid-template-columns: 56px 1fr;
      }

      .hot-card .small-btn {
        grid-column: 1 / -1;
      }

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

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

      .floating-cta {
        width: calc(100% - 24px);
        justify-content: space-between;
        border-radius: 22px;
      }

      .floating-cta span {
        white-space: normal;
        line-height: 1.35;
      }
    }

    @media (max-width: 520px) {
      .section-title {
        font-size: 30px;
      }

      .hero-stage {
        border-radius: 22px;
      }

      .pledge-panel {
        border-radius: 24px;
        padding: 18px;
      }

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

      .hot-card,
      .news-item {
        padding: 15px;
      }

      .app-panel,
      .about-card,
      .feature-lead {
        padding: 22px;
        border-radius: 24px;
      }

      .floating-cta {
        display: none;
      }
    }