/* roulang page: index */
:root {
      --bg: #080b12;
      --bg-soft: #0f1420;
      --bg-card: rgba(18, 24, 37, 0.82);
      --bg-card-solid: #121827;
      --surface: rgba(255, 255, 255, 0.06);
      --surface-strong: rgba(255, 255, 255, 0.1);
      --text: #f6f7fb;
      --muted: #a7b0c3;
      --muted-2: #7c879c;
      --primary: #f2c96b;
      --primary-2: #ff8a4c;
      --accent: #7dd3fc;
      --green: #68e0a7;
      --danger: #ff6b85;
      --border: rgba(255, 255, 255, 0.12);
      --border-strong: rgba(242, 201, 107, 0.34);
      --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
      --shadow-soft: 0 16px 42px rgba(0, 0, 0, 0.28);
      --radius-xl: 30px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --container: 1180px;
      --nav-h: 78px;
      --ease: cubic-bezier(.2, .8, .2, 1);
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      min-height: 100vh;
      color: var(--text);
      font-family: var(--font);
      line-height: 1.65;
      background:
        radial-gradient(circle at 12% 8%, rgba(242, 201, 107, 0.16), transparent 30%),
        radial-gradient(circle at 88% 12%, rgba(125, 211, 252, 0.12), transparent 32%),
        linear-gradient(180deg, #070910 0%, #0a0e17 48%, #070910 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -1;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size: 58px 58px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.8), transparent 75%);
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img,
    svg {
      display: block;
      max-width: 100%;
    }

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
      background: none;
      color: inherit;
    }

    input,
    textarea {
      color: var(--text);
      background: rgba(255, 255, 255, .06);
      border: 1px solid var(--border);
      outline: none;
      transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
    }

    input:focus,
    textarea:focus,
    button:focus-visible,
    a:focus-visible,
    summary:focus-visible {
      outline: 3px solid rgba(125, 211, 252, .35);
      outline-offset: 3px;
    }

    input:focus,
    textarea:focus {
      border-color: rgba(125, 211, 252, .72);
      box-shadow: 0 0 0 4px rgba(125, 211, 252, .12);
      background: rgba(255, 255, 255, .08);
    }

    ::selection {
      color: #111521;
      background: var(--primary);
    }

    .container {
      width: min(100% - 40px, var(--container));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      height: var(--nav-h);
      backdrop-filter: blur(18px);
      background: rgba(8, 11, 18, .72);
      border-bottom: 1px solid rgba(255,255,255,.08);
    }

    .nav-wrap {
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 900;
      letter-spacing: -0.04em;
      white-space: nowrap;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      color: #16120a;
      font-weight: 950;
      border-radius: 14px;
      background:
        linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 10px 28px rgba(242, 201, 107, .22);
    }

    .brand-text {
      font-size: 18px;
    }

    .nav-panel {
      display: flex;
      align-items: center;
      gap: 18px;
      margin-left: auto;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      border: 1px solid var(--border);
      border-radius: 999px;
      background: rgba(255,255,255,.045);
    }

    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 16px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 800;
      border-radius: 999px;
      transition: color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease);
    }

    .nav-link:hover {
      color: var(--text);
      background: rgba(255,255,255,.07);
      transform: translateY(-1px);
    }

    .nav-link.active {
      color: #14100b;
      background: var(--primary);
    }

    .nav-status {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 14px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 850;
      border: 1px solid rgba(242, 201, 107, .24);
      border-radius: 999px;
      background: rgba(242, 201, 107, .08);
    }

    .pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 0 0 rgba(104,224,167,.45);
      animation: pulse 1.8s infinite;
    }

    @keyframes pulse {
      70% { box-shadow: 0 0 0 10px rgba(104,224,167,0); }
      100% { box-shadow: 0 0 0 0 rgba(104,224,167,0); }
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      border: 1px solid var(--border);
      background: rgba(255,255,255,.06);
    }

    .menu-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      margin: 4px auto;
      border-radius: 10px;
      background: var(--text);
      transition: transform .2s var(--ease), opacity .2s var(--ease);
    }

    .btn {
      position: relative;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 46px;
      padding: 12px 18px;
      color: var(--text);
      font-weight: 900;
      letter-spacing: -0.01em;
      border-radius: 999px;
      border: 1px solid transparent;
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease);
      overflow: hidden;
    }

    .btn:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-soft);
    }

    .btn:active {
      transform: translateY(0) scale(.98);
    }

    .btn-primary {
      color: #15110b;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 14px 34px rgba(242, 201, 107, .22);
    }

    .btn-secondary {
      color: var(--text);
      border-color: rgba(255,255,255,.16);
      background: rgba(255,255,255,.07);
    }

    .btn-secondary:hover {
      border-color: rgba(242, 201, 107, .36);
      background: rgba(255,255,255,.1);
    }

    .btn-ghost {
      color: var(--primary);
      border-color: rgba(242, 201, 107, .28);
      background: rgba(242, 201, 107, .08);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      padding: 7px 11px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 900;
      border: 1px solid rgba(242,201,107,.24);
      border-radius: 999px;
      background: rgba(242,201,107,.08);
    }

    .section {
      padding: 78px 0;
    }

    .section-tight {
      padding: 54px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
      gap: 28px;
      align-items: end;
      margin-bottom: 30px;
    }

    .eyebrow {
      color: var(--accent);
      font-size: 13px;
      font-weight: 950;
      letter-spacing: .16em;
      text-transform: uppercase;
      margin-bottom: 10px;
    }

    .section-title {
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.12;
      letter-spacing: -0.06em;
    }

    .section-desc {
      color: var(--muted);
      font-size: 16px;
    }

    .hero {
      position: relative;
      padding: 52px 0 44px;
    }

    .hero-stage {
      position: relative;
      min-height: 620px;
      display: grid;
      align-items: stretch;
      border: 1px solid rgba(255,255,255,.11);
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.02)),
        radial-gradient(circle at 80% 18%, rgba(242,201,107,.24), transparent 28%),
        radial-gradient(circle at 16% 84%, rgba(125,211,252,.13), transparent 30%),
        #0c111d;
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .hero-stage::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(8,11,18,.18), rgba(8,11,18,.64)),
        url("data:image/svg+xml,%3Csvg width='1200' height='680' viewBox='0 0 1200 680' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='rgba(255,255,255,0.08)'%3E%3Cpath d='M50 500 C240 390 350 460 520 330 S840 150 1130 210'/%3E%3Cpath d='M90 180 C260 260 360 190 510 270 S780 455 1120 390'/%3E%3C/g%3E%3Cg fill='rgba(242,201,107,0.18)'%3E%3Ccircle cx='260' cy='225' r='5'/%3E%3Ccircle cx='820' cy='160' r='6'/%3E%3Ccircle cx='980' cy='430' r='4'/%3E%3C/g%3E%3C/svg%3E");
      background-size: cover;
      opacity: .9;
    }

    .hero-content {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 380px;
      gap: 32px;
      padding: clamp(26px, 5vw, 58px);
      align-items: end;
    }

    .hero-copy {
      max-width: 780px;
      align-self: center;
    }

    .hero h1 {
      margin-top: 16px;
      max-width: 870px;
      font-size: clamp(42px, 8vw, 88px);
      line-height: .96;
      letter-spacing: -0.085em;
    }

    .hero-intro {
      max-width: 720px;
      margin-top: 24px;
      color: #d5dbea;
      font-size: clamp(16px, 2vw, 20px);
      line-height: 1.8;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 30px;
    }

    .group-panel {
      align-self: stretch;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 20px;
      padding: 24px;
      border: 1px solid rgba(255,255,255,.13);
      border-radius: 28px;
      background: rgba(8, 11, 18, .56);
      backdrop-filter: blur(18px);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
    }

    .group-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .countdown {
      display: inline-grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 8px;
      width: 100%;
      margin: 18px 0;
    }

    .time-box {
      padding: 12px 8px;
      text-align: center;
      border: 1px solid rgba(255,255,255,.1);
      border-radius: 16px;
      background: rgba(255,255,255,.06);
    }

    .time-box strong {
      display: block;
      color: var(--primary);
      font-size: 24px;
      line-height: 1;
    }

    .time-box span {
      color: var(--muted-2);
      font-size: 12px;
    }

    .group-title {
      font-size: 22px;
      line-height: 1.25;
      letter-spacing: -0.04em;
    }

    .group-text {
      color: var(--muted);
      font-size: 14px;
      margin-top: 8px;
    }

    .avatars {
      display: flex;
      align-items: center;
      margin: 12px 0 0 8px;
    }

    .avatar {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      margin-left: -8px;
      color: #12151e;
      font-size: 12px;
      font-weight: 950;
      border: 2px solid #0c111d;
      border-radius: 50%;
      background: linear-gradient(135deg, #f8e4a4, #ff8a4c);
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 28px;
      max-width: 760px;
    }

    .metric-chip {
      padding: 14px;
      border: 1px solid rgba(255,255,255,.1);
      border-radius: 18px;
      background: rgba(255,255,255,.055);
    }

    .metric-chip strong {
      display: block;
      color: var(--text);
      font-size: 20px;
      letter-spacing: -0.04em;
    }

    .metric-chip span {
      color: var(--muted);
      font-size: 13px;
    }

    .data-board {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 18px;
    }

    .board-card,
    .card {
      position: relative;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: var(--bg-card);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
      transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
    }

    .card:hover,
    .board-card:hover {
      transform: translateY(-4px);
      border-color: rgba(242,201,107,.3);
      background: rgba(20, 27, 42, .9);
    }

    .board-main {
      padding: 28px;
      min-height: 310px;
    }

    .board-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
      margin-top: 24px;
    }

    .stat {
      padding: 18px;
      border: 1px solid rgba(255,255,255,.1);
      border-radius: 18px;
      background: rgba(255,255,255,.045);
    }

    .stat strong {
      display: block;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1;
      letter-spacing: -0.06em;
      color: var(--primary);
    }

    .stat span {
      display: block;
      margin-top: 8px;
      color: var(--muted);
      font-size: 14px;
    }

    .signal-list {
      display: grid;
      gap: 12px;
      padding: 20px;
    }

    .signal-item {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 16px;
      border: 1px solid rgba(255,255,255,.1);
      border-radius: 18px;
      background: rgba(255,255,255,.045);
    }

    .signal-icon {
      flex: 0 0 34px;
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      color: #111521;
      font-weight: 950;
      border-radius: 12px;
      background: var(--primary);
    }

    .signal-item h3 {
      font-size: 16px;
      margin-bottom: 4px;
    }

    .signal-item p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.55;
    }

    .matrix {
      display: grid;
      grid-template-columns: 1fr 1.15fr;
      gap: 18px;
      align-items: stretch;
    }

    .matrix-feature {
      padding: 30px;
      border-radius: var(--radius-xl);
      border: 1px solid var(--border-strong);
      background:
        linear-gradient(135deg, rgba(242,201,107,.14), rgba(255,255,255,.04)),
        rgba(18,24,37,.88);
      box-shadow: var(--shadow-soft);
    }

    .matrix-feature h3 {
      margin-top: 18px;
      font-size: 30px;
      line-height: 1.18;
      letter-spacing: -0.05em;
    }

    .matrix-feature p {
      margin-top: 14px;
      color: var(--muted);
    }

    .matrix-cards {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .mini-card {
      min-height: 178px;
      padding: 22px;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.055);
      transition: transform .22s var(--ease), border-color .22s var(--ease);
    }

    .mini-card:hover {
      transform: translateY(-4px);
      border-color: rgba(125,211,252,.34);
    }

    .mini-icon {
      width: 40px;
      height: 40px;
      display: grid;
      place-items: center;
      margin-bottom: 18px;
      border-radius: 14px;
      color: var(--accent);
      background: rgba(125,211,252,.1);
      border: 1px solid rgba(125,211,252,.18);
    }

    .mini-card h3 {
      font-size: 18px;
      margin-bottom: 8px;
    }

    .mini-card p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.6;
    }

    .entry-layout {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 18px;
    }

    .entry-panel {
      padding: 28px;
      border: 1px solid var(--border);
      border-radius: var(--radius-xl);
      background: rgba(255,255,255,.055);
    }

    .steps {
      display: grid;
      gap: 14px;
      counter-reset: steps;
    }

    .step {
      position: relative;
      display: grid;
      grid-template-columns: 44px 1fr;
      gap: 14px;
      align-items: start;
      padding: 18px;
      border-radius: 20px;
      border: 1px solid rgba(255,255,255,.1);
      background: rgba(8,11,18,.34);
      counter-increment: steps;
    }

    .step::before {
      content: counter(steps);
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 14px;
      color: #111521;
      font-weight: 950;
      background: var(--primary);
    }

    .step h3 {
      font-size: 17px;
      margin-bottom: 4px;
    }

    .step p {
      color: var(--muted);
      font-size: 14px;
    }

    .media-scroll {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: minmax(250px, 31%);
      gap: 16px;
      overflow-x: auto;
      padding: 6px 2px 16px;
      scroll-snap-type: x mandatory;
      scrollbar-color: rgba(242,201,107,.45) rgba(255,255,255,.08);
    }

    .media-card {
      scroll-snap-align: start;
      min-height: 238px;
      padding: 20px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(160deg, rgba(255,255,255,.09), rgba(255,255,255,.035));
      transition: transform .22s var(--ease), border-color .22s var(--ease);
    }

    .media-card:hover {
      transform: translateY(-4px);
      border-color: rgba(242,201,107,.34);
    }

    .media-type {
      width: fit-content;
      padding: 6px 10px;
      color: var(--accent);
      font-size: 12px;
      font-weight: 900;
      border-radius: 999px;
      border: 1px solid rgba(125,211,252,.22);
      background: rgba(125,211,252,.08);
    }

    .media-card h3 {
      margin-top: 18px;
      font-size: 20px;
      line-height: 1.35;
    }

    .media-card p {
      margin-top: 10px;
      color: var(--muted);
      font-size: 14px;
    }

    .compare-wrap {
      overflow-x: auto;
      border: 1px solid var(--border);
      border-radius: var(--radius-xl);
      background: rgba(255,255,255,.045);
      box-shadow: var(--shadow-soft);
    }

    .compare-table {
      width: 100%;
      min-width: 780px;
      border-collapse: collapse;
    }

    .compare-table th,
    .compare-table td {
      padding: 18px;
      text-align: left;
      border-bottom: 1px solid rgba(255,255,255,.09);
      border-right: 1px solid rgba(255,255,255,.07);
      vertical-align: top;
    }

    .compare-table th:last-child,
    .compare-table td:last-child {
      border-right: 0;
    }

    .compare-table tr:last-child td {
      border-bottom: 0;
    }

    .compare-table th {
      color: var(--text);
      font-size: 15px;
      background: rgba(255,255,255,.06);
    }

    .compare-table td {
      color: var(--muted);
      font-size: 14px;
    }

    .compare-table .row-head {
      color: var(--text);
      font-weight: 900;
      width: 21%;
    }

    .compare-table .recommended {
      position: relative;
      color: #fff5dc;
      background: rgba(242,201,107,.1);
      box-shadow: inset 0 0 0 1px rgba(242,201,107,.18);
    }

    .rec-label {
      display: inline-flex;
      margin-left: 8px;
      padding: 4px 8px;
      color: #17120a;
      font-size: 12px;
      font-weight: 950;
      border-radius: 999px;
      background: var(--primary);
    }

    .proof-layout {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 18px;
      align-items: stretch;
    }

    .quote-card {
      padding: 30px;
      border-radius: var(--radius-xl);
      border: 1px solid rgba(125,211,252,.2);
      background:
        radial-gradient(circle at 80% 12%, rgba(125,211,252,.12), transparent 35%),
        rgba(255,255,255,.052);
    }

    .quote-mark {
      color: var(--primary);
      font-size: 56px;
      line-height: 1;
      font-weight: 950;
    }

    .quote-card blockquote {
      margin-top: 10px;
      font-size: 24px;
      line-height: 1.55;
      letter-spacing: -0.04em;
    }

    .quote-card cite {
      display: block;
      margin-top: 18px;
      color: var(--muted);
      font-style: normal;
    }

    .review-grid {
      display: grid;
      gap: 14px;
    }

    .review {
      padding: 20px;
      border: 1px solid var(--border);
      border-radius: 20px;
      background: rgba(255,255,255,.052);
    }

    .review strong {
      display: block;
      margin-bottom: 6px;
    }

    .review p {
      color: var(--muted);
      font-size: 14px;
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 360px;
      gap: 18px;
    }

    .news-list {
      display: grid;
      gap: 12px;
    }

    .news-item {
      display: grid;
      grid-template-columns: 112px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 18px;
      border: 1px solid var(--border);
      border-radius: 20px;
      background: rgba(255,255,255,.045);
      transition: transform .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
    }

    .news-item:hover {
      transform: translateX(4px);
      border-color: rgba(242,201,107,.28);
      background: rgba(255,255,255,.065);
    }

    .news-date {
      color: var(--primary);
      font-weight: 950;
      letter-spacing: -0.02em;
    }

    .news-item h3 {
      font-size: 18px;
      line-height: 1.35;
    }

    .news-item p {
      margin-top: 5px;
      color: var(--muted);
      font-size: 14px;
    }

    .arrow {
      color: var(--muted-2);
      font-size: 22px;
    }

    .recommend-panel {
      padding: 24px;
      border: 1px solid var(--border);
      border-radius: var(--radius-xl);
      background:
        linear-gradient(180deg, rgba(242,201,107,.1), rgba(255,255,255,.04));
      position: sticky;
      top: calc(var(--nav-h) + 18px);
    }

    .topic-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }

    .tag {
      display: inline-flex;
      padding: 8px 11px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
      border: 1px solid rgba(255,255,255,.11);
      border-radius: 999px;
      background: rgba(255,255,255,.045);
      transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
    }

    .tag:hover {
      color: var(--primary);
      border-color: rgba(242,201,107,.28);
      background: rgba(242,201,107,.08);
    }

    .faq-list {
      display: grid;
      gap: 12px;
      max-width: 900px;
      margin-inline: auto;
    }

    details.faq-item {
      border: 1px solid var(--border);
      border-radius: 20px;
      background: rgba(255,255,255,.05);
      overflow: hidden;
      transition: border-color .2s var(--ease), background .2s var(--ease);
    }

    details.faq-item[open] {
      border-color: rgba(242,201,107,.28);
      background: rgba(255,255,255,.07);
    }

    .faq-item summary {
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 20px 22px;
      font-weight: 900;
      cursor: pointer;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      content: "+";
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      flex: 0 0 28px;
      color: #111521;
      border-radius: 50%;
      background: var(--primary);
      transition: transform .2s var(--ease);
    }

    .faq-item[open] summary::after {
      transform: rotate(45deg);
    }

    .faq-item p {
      padding: 0 22px 22px;
      color: var(--muted);
    }

    .cta-panel {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 420px;
      gap: 28px;
      align-items: center;
      padding: clamp(26px, 5vw, 48px);
      border: 1px solid var(--border-strong);
      border-radius: var(--radius-xl);
      background:
        radial-gradient(circle at 85% 20%, rgba(242,201,107,.18), transparent 28%),
        linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.035));
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      inset: auto -20% -50% 10%;
      height: 260px;
      background: radial-gradient(circle, rgba(242,201,107,.18), transparent 64%);
      pointer-events: none;
    }

    .cta-content,
    .lead-form {
      position: relative;
      z-index: 1;
    }

    .cta-content h2 {
      font-size: clamp(32px, 5vw, 56px);
      line-height: 1.05;
      letter-spacing: -0.07em;
    }

    .cta-content p {
      margin-top: 16px;
      color: var(--muted);
      font-size: 16px;
      max-width: 680px;
    }

    .guarantee-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }

    .guarantee {
      display: inline-flex;
      gap: 8px;
      align-items: center;
      padding: 9px 12px;
      color: #dce5f8;
      font-size: 13px;
      font-weight: 850;
      border: 1px solid rgba(255,255,255,.1);
      border-radius: 999px;
      background: rgba(255,255,255,.052);
    }

    .lead-form {
      padding: 22px;
      border: 1px solid rgba(255,255,255,.13);
      border-radius: 24px;
      background: rgba(8,11,18,.55);
      backdrop-filter: blur(16px);
    }

    .form-row {
      display: grid;
      gap: 12px;
      margin-bottom: 12px;
    }

    .field {
      display: grid;
      gap: 7px;
    }

    .field label {
      color: var(--muted);
      font-size: 13px;
      font-weight: 850;
    }

    .field input,
    .field textarea {
      width: 100%;
      padding: 13px 14px;
      border-radius: 14px;
    }

    .field textarea {
      min-height: 92px;
      resize: vertical;
    }

    .form-note,
    .form-message {
      color: var(--muted-2);
      font-size: 12px;
      line-height: 1.6;
    }

    .form-message {
      display: none;
      margin-top: 12px;
      color: var(--green);
      font-weight: 850;
    }

    .site-footer {
      padding: 48px 0 96px;
      border-top: 1px solid rgba(255,255,255,.08);
      background: rgba(5,7,12,.42);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
      align-items: start;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 18px;
      font-weight: 950;
      letter-spacing: -0.04em;
      margin-bottom: 12px;
    }

    .footer-desc {
      max-width: 620px;
      color: var(--muted);
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      justify-content: flex-end;
      flex-wrap: wrap;
      gap: 10px;
    }

    .footer-links a {
      padding: 8px 11px;
      color: var(--muted);
      border-radius: 999px;
      transition: color .2s var(--ease), background .2s var(--ease);
    }

    .footer-links a:hover {
      color: var(--primary);
      background: rgba(242,201,107,.08);
    }

    .copyright {
      grid-column: 1 / -1;
      padding-top: 20px;
      color: var(--muted-2);
      font-size: 13px;
      border-top: 1px solid rgba(255,255,255,.08);
    }

    .sticky-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      z-index: 60;
      width: min(calc(100% - 28px), 760px);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 12px 14px 12px 18px;
      border: 1px solid rgba(242,201,107,.26);
      border-radius: 999px;
      background: rgba(12,17,29,.88);
      backdrop-filter: blur(18px);
      box-shadow: 0 18px 60px rgba(0,0,0,.44);
      transform: translateX(-50%);
    }

    .sticky-cta strong {
      font-size: 14px;
    }

    .sticky-cta span {
      color: var(--muted);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .hero-content,
      .data-board,
      .matrix,
      .entry-layout,
      .proof-layout,
      .news-layout,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      .group-panel {
        max-width: none;
      }

      .section-head {
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .recommend-panel {
        position: static;
      }

      .media-scroll {
        grid-auto-columns: minmax(250px, 42%);
      }
    }

    @media (max-width: 768px) {
      :root {
        --nav-h: 68px;
      }

      .container {
        width: min(100% - 28px, var(--container));
      }

      .site-header {
        height: auto;
        min-height: var(--nav-h);
      }

      .nav-wrap {
        min-height: var(--nav-h);
        flex-wrap: wrap;
      }

      .brand-text {
        font-size: 16px;
      }

      .menu-toggle {
        display: inline-grid;
        place-items: center;
        margin-left: auto;
      }

      .nav-panel {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        padding: 0 0 14px;
        margin-left: 0;
      }

      .site-header.open .nav-panel {
        display: flex;
      }

      .site-header.open .menu-toggle span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
      }

      .site-header.open .menu-toggle span:nth-child(2) {
        opacity: 0;
      }

      .site-header.open .menu-toggle span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
      }

      .nav-links {
        width: 100%;
        justify-content: stretch;
        border-radius: 18px;
      }

      .nav-link {
        flex: 1;
        justify-content: center;
      }

      .nav-status,
      .nav-panel .btn {
        width: 100%;
      }

      .section {
        padding: 58px 0;
      }

      .section-tight {
        padding: 42px 0;
      }

      .hero {
        padding-top: 24px;
      }

      .hero-stage {
        min-height: auto;
        border-radius: 24px;
      }

      .hero-content {
        padding: 26px;
      }

      .hero-metrics,
      .board-grid,
      .matrix-cards {
        grid-template-columns: 1fr;
      }

      .media-scroll {
        grid-auto-columns: minmax(238px, 78%);
      }

      .news-item {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .arrow {
        display: none;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .footer-links {
        justify-content: flex-start;
      }

      .sticky-cta {
        border-radius: 22px;
        align-items: stretch;
      }
    }

    @media (max-width: 520px) {
      .hero-actions,
      .group-top,
      .sticky-cta {
        flex-direction: column;
      }

      .hero-actions .btn,
      .group-panel .btn,
      .sticky-cta .btn,
      .lead-form .btn {
        width: 100%;
      }

      .countdown {
        grid-template-columns: repeat(3, 1fr);
      }

      .section-title {
        letter-spacing: -0.045em;
      }

      .quote-card blockquote {
        font-size: 20px;
      }

      .compare-table {
        min-width: 700px;
      }
    }
