/* roulang page: index */
:root {
      --bg: #08111f;
      --bg-soft: #0d1b2e;
      --surface: #101d31;
      --surface-2: #14233a;
      --surface-light: #f6f8fc;
      --card: rgba(255,255,255,.08);
      --card-solid: #ffffff;
      --text: #eef4ff;
      --text-dark: #142033;
      --muted: #9fb0c8;
      --muted-dark: #667085;
      --line: rgba(255,255,255,.14);
      --line-dark: #e6eaf0;
      --primary: #5eead4;
      --primary-2: #22c55e;
      --accent: #ffb020;
      --danger: #fb7185;
      --blue: #60a5fa;
      --purple: #a78bfa;
      --radius-xs: 10px;
      --radius-sm: 14px;
      --radius-md: 20px;
      --radius-lg: 28px;
      --shadow: 0 22px 60px rgba(0,0,0,.28);
      --shadow-soft: 0 14px 36px rgba(16, 24, 40, .10);
      --container: 1180px;
      --nav-height: 74px;
      --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;
      -webkit-text-size-adjust: 100%;
    }

    body {
      min-height: 100vh;
      font-family: var(--font);
      line-height: 1.72;
      color: var(--text-dark);
      background:
        radial-gradient(circle at top left, rgba(94,234,212,.16), transparent 34%),
        radial-gradient(circle at 80% 10%, rgba(96,165,250,.16), transparent 28%),
        linear-gradient(180deg, #07101e 0%, #0a1220 30%, #f6f8fc 30%, #f6f8fc 100%);
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease;
    }

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

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

    button {
      cursor: pointer;
      border: 0;
    }

    ::selection {
      background: rgba(94,234,212,.28);
      color: #fff;
    }

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

    .skip-link {
      position: fixed;
      top: -48px;
      left: 20px;
      z-index: 999;
      padding: 10px 14px;
      background: var(--primary);
      color: #06201c;
      border-radius: var(--radius-xs);
      font-weight: 800;
      transition: top .2s ease;
    }

    .skip-link:focus {
      top: 16px;
      outline: 3px solid rgba(94,234,212,.35);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 80;
      backdrop-filter: blur(18px);
      background: rgba(7, 16, 30, .78);
      border-bottom: 1px solid rgba(255,255,255,.11);
    }

    .nav-wrap {
      height: var(--nav-height);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      color: #fff;
      font-weight: 900;
      letter-spacing: -.02em;
      white-space: nowrap;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 15px;
      background:
        linear-gradient(135deg, rgba(94,234,212,.95), rgba(96,165,250,.95)),
        #0f766e;
      color: #06131d;
      box-shadow: 0 12px 30px rgba(94,234,212,.23);
      font-weight: 950;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.12;
      font-size: 17px;
    }

    .brand-sub {
      margin-top: 3px;
      font-size: 12px;
      font-weight: 700;
      color: var(--muted);
      letter-spacing: .04em;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-left: auto;
    }

    .nav-link {
      position: relative;
      padding: 10px 14px;
      border-radius: 999px;
      color: #d8e4f6;
      font-size: 14px;
      font-weight: 800;
    }

    .nav-link:hover,
    .nav-link.active {
      color: #06131d;
      background: var(--primary);
    }

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

    .header-search {
      width: 230px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 9px 12px;
      border: 1px solid rgba(255,255,255,.13);
      border-radius: 999px;
      background: rgba(255,255,255,.06);
      color: var(--muted);
    }

    .header-search input {
      width: 100%;
      min-width: 0;
      border: 0;
      outline: 0;
      background: transparent;
      color: #fff;
      font-size: 13px;
    }

    .header-search input::placeholder {
      color: #8fa2bd;
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: rgba(255,255,255,.09);
      color: #fff;
      border: 1px solid rgba(255,255,255,.13);
    }

    .breadcrumb-bar {
      border-top: 1px solid rgba(255,255,255,.04);
      background: rgba(6, 15, 28, .55);
    }

    .breadcrumb {
      min-height: 42px;
      display: flex;
      align-items: center;
      gap: 8px;
      color: #94a8c3;
      font-size: 13px;
      white-space: nowrap;
      overflow-x: auto;
      scrollbar-width: none;
    }

    .breadcrumb::-webkit-scrollbar {
      display: none;
    }

    .breadcrumb a {
      color: #d9e7f8;
      font-weight: 700;
    }

    .breadcrumb span {
      color: var(--primary);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 999px;
      font-weight: 900;
      letter-spacing: -.01em;
      border: 1px solid transparent;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
    }

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

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

    .btn:focus-visible,
    .card:focus-within,
    .form-field input:focus,
    .form-field select:focus {
      outline: 3px solid rgba(94,234,212,.28);
      outline-offset: 3px;
    }

    .btn-primary {
      color: #06131d;
      background: linear-gradient(135deg, var(--primary), #86efac);
      box-shadow: 0 14px 28px rgba(94,234,212,.23);
    }

    .btn-primary:hover {
      box-shadow: 0 18px 38px rgba(94,234,212,.34);
    }

    .btn-ghost {
      color: #eaf3ff;
      background: rgba(255,255,255,.09);
      border-color: rgba(255,255,255,.17);
    }

    .btn-ghost:hover {
      background: rgba(255,255,255,.14);
      border-color: rgba(94,234,212,.42);
    }

    .btn-dark {
      color: #fff;
      background: #111827;
      border-color: #111827;
    }

    .btn-dark:hover {
      box-shadow: var(--shadow-soft);
      background: #0b1220;
    }

    .btn-light {
      color: #102033;
      background: #fff;
      border-color: var(--line-dark);
    }

    .btn-light:hover {
      border-color: #cbd5e1;
      box-shadow: var(--shadow-soft);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      width: fit-content;
      padding: 7px 11px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 900;
      line-height: 1;
      color: #07312b;
      background: rgba(94,234,212,.92);
    }

    .badge.dark {
      color: #dffdf8;
      background: rgba(94,234,212,.12);
      border: 1px solid rgba(94,234,212,.28);
    }

    .badge.hot {
      color: #3a2500;
      background: #ffd48a;
    }

    .badge.safe {
      color: #08371f;
      background: #bbf7d0;
    }

    .section {
      padding: 82px 0;
      position: relative;
    }

    .section.compact {
      padding: 58px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(260px, .72fr);
      gap: 30px;
      align-items: end;
      margin-bottom: 28px;
    }

    .section-kicker {
      margin-bottom: 10px;
      color: #0f766e;
      font-size: 13px;
      font-weight: 950;
      letter-spacing: .08em;
    }

    .section-title {
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.16;
      letter-spacing: -.045em;
      color: #101828;
    }

    .section-desc {
      color: var(--muted-dark);
      font-size: 16px;
      max-width: 690px;
    }

    .hero {
      position: relative;
      min-height: 680px;
      display: flex;
      align-items: stretch;
      overflow: hidden;
      color: #fff;
      background:
        linear-gradient(90deg, rgba(8,17,31,.96), rgba(8,17,31,.78) 42%, rgba(8,17,31,.30)),
        radial-gradient(circle at 18% 28%, rgba(94,234,212,.25), transparent 32%),
        radial-gradient(circle at 75% 22%, rgba(167,139,250,.24), transparent 35%),
        linear-gradient(135deg, #0b1220 0%, #111827 48%, #1f2937 100%);
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
      background-size: 54px 54px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.85), rgba(0,0,0,.25));
      pointer-events: none;
    }

    .hero::after {
      content: "";
      position: absolute;
      right: -8%;
      top: 12%;
      width: 52vw;
      height: 52vw;
      min-width: 520px;
      min-height: 520px;
      background:
        radial-gradient(circle at 30% 30%, rgba(94,234,212,.38), transparent 22%),
        radial-gradient(circle at 65% 40%, rgba(96,165,250,.28), transparent 24%),
        radial-gradient(circle at 48% 68%, rgba(255,176,32,.18), transparent 24%);
      filter: blur(5px);
      opacity: .95;
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      width: 100%;
      display: grid;
      align-content: center;
      gap: 28px;
      padding: 82px 0 70px;
    }

    .event-strip {
      width: fit-content;
      max-width: 100%;
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      padding: 10px;
      border: 1px solid rgba(255,255,255,.15);
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      box-shadow: 0 18px 46px rgba(0,0,0,.18);
      backdrop-filter: blur(14px);
    }

    .countdown {
      display: flex;
      align-items: center;
      gap: 8px;
      color: #dce8fb;
      font-size: 13px;
      font-weight: 800;
    }

    .count-box {
      min-width: 34px;
      padding: 5px 7px;
      text-align: center;
      border-radius: 10px;
      color: #06131d;
      background: var(--primary);
      font-variant-numeric: tabular-nums;
    }

    .hero-copy {
      max-width: 920px;
    }

    .hero h1 {
      max-width: 980px;
      margin-top: 8px;
      font-size: clamp(42px, 7vw, 82px);
      line-height: .98;
      letter-spacing: -.07em;
      text-wrap: balance;
    }

    .hero-lead {
      max-width: 780px;
      margin-top: 24px;
      color: #d6e3f5;
      font-size: clamp(17px, 2vw, 21px);
      line-height: 1.76;
    }

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

    .hero-stats {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
      max-width: 860px;
      margin-top: 12px;
    }

    .stat-chip {
      padding: 18px;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: var(--radius-md);
      background: rgba(255,255,255,.075);
      backdrop-filter: blur(14px);
    }

    .stat-chip strong {
      display: block;
      margin-bottom: 4px;
      color: #fff;
      font-size: 25px;
      line-height: 1;
      font-weight: 950;
      letter-spacing: -.04em;
    }

    .stat-chip span {
      color: #aebed4;
      font-size: 13px;
      font-weight: 700;
    }

    .hero-panel {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 18px;
      max-width: 980px;
      margin-top: 18px;
    }

    .hud-card {
      position: relative;
      overflow: hidden;
      padding: 22px;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: var(--radius-lg);
      background: rgba(5, 12, 23, .58);
      box-shadow: var(--shadow);
      backdrop-filter: blur(18px);
    }

    .hud-card::before {
      content: "";
      position: absolute;
      inset: 0 0 auto 0;
      height: 3px;
      background: linear-gradient(90deg, var(--primary), var(--blue), var(--accent));
    }

    .signal-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 18px;
      color: #dce8fb;
      font-size: 13px;
      font-weight: 800;
    }

    .signal-bars {
      display: flex;
      align-items: end;
      gap: 4px;
      height: 22px;
    }

    .signal-bars i {
      width: 6px;
      border-radius: 99px;
      background: var(--primary);
    }

    .signal-bars i:nth-child(1){height: 8px; opacity: .5;}
    .signal-bars i:nth-child(2){height: 12px; opacity: .68;}
    .signal-bars i:nth-child(3){height: 16px; opacity: .82;}
    .signal-bars i:nth-child(4){height: 21px;}

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

    .check-list li {
      display: flex;
      gap: 10px;
      color: #d5e3f4;
      font-size: 14px;
    }

    .check-list li::before {
      content: "✓";
      flex: 0 0 22px;
      width: 22px;
      height: 22px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: #05201b;
      background: var(--primary);
      font-weight: 950;
      line-height: 1;
    }

    .pulse-card {
      display: grid;
      gap: 12px;
      padding: 22px;
      border-radius: var(--radius-lg);
      background: linear-gradient(145deg, rgba(94,234,212,.16), rgba(96,165,250,.08));
      border: 1px solid rgba(94,234,212,.2);
    }

    .pulse-card strong {
      font-size: 28px;
      line-height: 1;
      letter-spacing: -.04em;
    }

    .pulse-card span {
      color: #bad0e8;
      font-size: 14px;
    }

    .news-section {
      margin-top: -72px;
      position: relative;
      z-index: 5;
      padding-top: 0;
    }

    .dashboard {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 18px;
    }

    .dashboard-main,
    .dashboard-side,
    .card {
      border: 1px solid var(--line-dark);
      background: var(--card-solid);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-soft);
    }

    .dashboard-main {
      padding: 26px;
      overflow: hidden;
    }

    .dashboard-head {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 18px;
      margin-bottom: 22px;
    }

    .dashboard-head h2,
    .card h3 {
      color: #101828;
      line-height: 1.25;
      letter-spacing: -.035em;
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }

    .metric {
      padding: 18px;
      border-radius: var(--radius-md);
      background: #f2f6fb;
      border: 1px solid #e7edf5;
    }

    .metric strong {
      display: block;
      margin-bottom: 8px;
      color: #0f172a;
      font-size: 30px;
      line-height: 1;
      letter-spacing: -.055em;
    }

    .metric span {
      color: var(--muted-dark);
      font-size: 13px;
      font-weight: 700;
    }

    .update-list {
      margin-top: 20px;
      display: grid;
      gap: 10px;
      list-style: none;
    }

    .update-list a {
      display: grid;
      grid-template-columns: 92px 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 13px 14px;
      border-radius: var(--radius-sm);
      background: #f8fafc;
      border: 1px solid transparent;
    }

    .update-list a:hover {
      border-color: #cde4df;
      background: #f1fffc;
      transform: translateX(3px);
    }

    .date {
      color: #0f766e;
      font-size: 13px;
      font-weight: 900;
      font-variant-numeric: tabular-nums;
    }

    .update-title {
      color: #1d2939;
      font-weight: 850;
    }

    .arrow {
      color: #98a2b3;
      font-weight: 900;
    }

    .dashboard-side {
      display: grid;
      gap: 14px;
      padding: 18px;
      background: #101828;
      color: #fff;
      border-color: rgba(255,255,255,.08);
    }

    .hot-card {
      min-height: 188px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      padding: 22px;
      border-radius: var(--radius-md);
      background:
        linear-gradient(135deg, rgba(94,234,212,.18), rgba(255,176,32,.10)),
        #142035;
      border: 1px solid rgba(255,255,255,.12);
    }

    .hot-card h3 {
      max-width: 410px;
      font-size: 24px;
      line-height: 1.25;
      letter-spacing: -.035em;
      color: #fff;
    }

    .hot-card p {
      margin-top: 10px;
      color: #b9c7da;
      font-size: 14px;
    }

    .mini-reco {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }

    .mini-reco a {
      padding: 16px;
      border-radius: var(--radius-md);
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(255,255,255,.1);
    }

    .mini-reco a:hover {
      background: rgba(255,255,255,.11);
      transform: translateY(-2px);
    }

    .mini-reco strong {
      display: block;
      color: #fff;
      font-size: 15px;
    }

    .mini-reco span {
      display: block;
      margin-top: 5px;
      color: #94a8c3;
      font-size: 12px;
    }

    .answer-grid {
      display: grid;
      grid-template-columns: .85fr 1.15fr;
      gap: 18px;
      align-items: stretch;
    }

    .answer-lead {
      padding: 28px;
      border-radius: var(--radius-lg);
      color: #fff;
      background:
        linear-gradient(135deg, rgba(15,118,110,.92), rgba(17,24,39,.94)),
        #0f766e;
      box-shadow: var(--shadow-soft);
    }

    .answer-lead h2 {
      margin-top: 18px;
      font-size: clamp(28px, 4vw, 42px);
      line-height: 1.16;
      letter-spacing: -.045em;
    }

    .answer-lead p {
      margin-top: 15px;
      color: #d5fff7;
    }

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

    .qa-card {
      padding: 22px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--line-dark);
      box-shadow: var(--shadow-soft);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .qa-card:hover {
      transform: translateY(-4px);
      border-color: #bce9df;
      box-shadow: 0 18px 42px rgba(16,24,40,.14);
    }

    .qa-card .icon {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      margin-bottom: 14px;
      border-radius: 16px;
      background: #ecfffb;
      color: #0f766e;
      font-size: 22px;
    }

    .qa-card h3 {
      color: #101828;
      font-size: 19px;
      line-height: 1.32;
      letter-spacing: -.02em;
    }

    .qa-card p {
      margin-top: 9px;
      color: var(--muted-dark);
      font-size: 14px;
    }

    .content-area {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 360px;
      gap: 22px;
      align-items: start;
    }

    .article-list {
      padding: 12px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--line-dark);
      box-shadow: var(--shadow-soft);
    }

    .article-item {
      display: grid;
      grid-template-columns: 110px 1fr;
      gap: 14px;
      padding: 18px;
      border-radius: var(--radius-md);
      border-bottom: 1px solid #edf1f6;
    }

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

    .article-item:hover {
      background: #f7fbff;
    }

    .article-meta {
      display: flex;
      flex-direction: column;
      gap: 8px;
      color: var(--muted-dark);
      font-size: 12px;
      font-weight: 800;
    }

    .article-title {
      display: inline-block;
      color: #111827;
      font-size: 18px;
      font-weight: 950;
      line-height: 1.36;
      letter-spacing: -.025em;
    }

    .article-title:hover {
      color: #0f766e;
    }

    .article-summary {
      margin-top: 7px;
      color: var(--muted-dark);
      font-size: 14px;
    }

    .recommend-panel {
      position: sticky;
      top: calc(var(--nav-height) + 64px);
      display: grid;
      gap: 14px;
    }

    .side-card {
      padding: 22px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--line-dark);
      box-shadow: var(--shadow-soft);
    }

    .side-card h3 {
      margin-bottom: 14px;
      color: #101828;
      font-size: 20px;
      letter-spacing: -.03em;
    }

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

    .topic-list a {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 11px 12px;
      border-radius: var(--radius-sm);
      background: #f8fafc;
      color: #243044;
      font-size: 14px;
      font-weight: 800;
    }

    .topic-list a:hover {
      color: #0f766e;
      background: #effffb;
      transform: translateX(2px);
    }

    .safety {
      color: #fff;
      background:
        radial-gradient(circle at 15% 18%, rgba(94,234,212,.17), transparent 28%),
        radial-gradient(circle at 80% 0%, rgba(96,165,250,.16), transparent 30%),
        #0b1220;
    }

    .safety .section-title,
    .safety h2,
    .safety h3 {
      color: #fff;
    }

    .safety .section-desc {
      color: #aebed4;
    }

    .safety-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }

    .safety-card {
      min-height: 220px;
      padding: 22px;
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(255,255,255,.12);
      box-shadow: 0 18px 48px rgba(0,0,0,.18);
      transition: transform .2s ease, background .2s ease;
    }

    .safety-card:hover {
      transform: translateY(-5px);
      background: rgba(255,255,255,.10);
    }

    .safety-icon {
      width: 50px;
      height: 50px;
      display: grid;
      place-items: center;
      margin-bottom: 16px;
      border-radius: 18px;
      color: #06131d;
      background: var(--primary);
      font-size: 24px;
    }

    .safety-card p {
      margin-top: 9px;
      color: #bdd0e7;
      font-size: 14px;
    }

    .compare-wrap {
      overflow: hidden;
      border-radius: var(--radius-lg);
      border: 1px solid var(--line-dark);
      background: #fff;
      box-shadow: var(--shadow-soft);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      min-width: 760px;
    }

    .compare-table th,
    .compare-table td {
      padding: 18px 20px;
      text-align: left;
      border-bottom: 1px solid #edf1f6;
      vertical-align: top;
    }

    .compare-table th {
      background: #f7fafc;
      color: #344054;
      font-size: 13px;
      font-weight: 950;
    }

    .compare-table td {
      color: #475467;
      font-size: 14px;
    }

    .compare-table strong {
      color: #111827;
    }

    .compare-table tr.recommended td {
      background: #effffb;
      border-top: 2px solid rgba(94,234,212,.65);
      border-bottom: 2px solid rgba(94,234,212,.65);
    }

    .table-scroll {
      overflow-x: auto;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 22px;
      align-items: start;
    }

    .faq-intro {
      padding: 28px;
      border-radius: var(--radius-lg);
      background: #111827;
      color: #fff;
      box-shadow: var(--shadow-soft);
    }

    .faq-intro h2 {
      margin-top: 14px;
      font-size: clamp(26px, 4vw, 40px);
      line-height: 1.18;
      letter-spacing: -.045em;
    }

    .faq-intro p {
      margin-top: 14px;
      color: #c6d3e5;
    }

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

    .faq-item {
      border: 1px solid var(--line-dark);
      border-radius: var(--radius-md);
      background: #fff;
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 20px 22px;
      color: #101828;
      background: #fff;
      text-align: left;
      font-weight: 950;
    }

    .faq-question:hover {
      background: #f8fafc;
    }

    .faq-question span:last-child {
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      flex: 0 0 28px;
      border-radius: 50%;
      background: #eef2f7;
      color: #0f766e;
      transition: transform .2s ease;
    }

    .faq-item.open .faq-question span:last-child {
      transform: rotate(45deg);
      background: #dffcf6;
    }

    .faq-answer {
      display: none;
      padding: 0 22px 22px;
      color: var(--muted-dark);
      font-size: 15px;
    }

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

    .app-section {
      padding-bottom: 96px;
    }

    .app-shell {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 24px;
      align-items: stretch;
      padding: 18px;
      border-radius: 34px;
      background:
        linear-gradient(135deg, rgba(94,234,212,.16), rgba(96,165,250,.10)),
        #fff;
      border: 1px solid var(--line-dark);
      box-shadow: var(--shadow-soft);
    }

    .app-visual {
      position: relative;
      overflow: hidden;
      min-height: 430px;
      padding: 30px;
      border-radius: 26px;
      color: #fff;
      background:
        radial-gradient(circle at 20% 20%, rgba(94,234,212,.28), transparent 30%),
        radial-gradient(circle at 80% 22%, rgba(255,176,32,.20), transparent 26%),
        #101828;
    }

    .app-visual h2 {
      max-width: 520px;
      margin-top: 16px;
      font-size: clamp(30px, 5vw, 52px);
      line-height: 1.08;
      letter-spacing: -.055em;
    }

    .app-visual p {
      max-width: 520px;
      margin-top: 16px;
      color: #c6d3e5;
    }

    .app-tiles {
      position: absolute;
      left: 30px;
      right: 30px;
      bottom: 30px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }

    .app-tile {
      padding: 16px;
      border-radius: var(--radius-md);
      background: rgba(255,255,255,.09);
      border: 1px solid rgba(255,255,255,.13);
      backdrop-filter: blur(10px);
    }

    .app-tile strong {
      display: block;
      color: #fff;
      font-size: 18px;
      line-height: 1.1;
    }

    .app-tile span {
      display: block;
      margin-top: 6px;
      color: #aebed4;
      font-size: 12px;
    }

    .lead-form {
      padding: 26px;
      border-radius: 26px;
      background: #fff;
    }

    .lead-form h3 {
      color: #101828;
      font-size: 28px;
      line-height: 1.18;
      letter-spacing: -.04em;
    }

    .lead-form p {
      margin-top: 10px;
      color: var(--muted-dark);
    }

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

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

    .form-field label {
      color: #344054;
      font-size: 13px;
      font-weight: 900;
    }

    .form-field input,
    .form-field select {
      width: 100%;
      height: 48px;
      padding: 0 14px;
      border: 1px solid #d9e1ec;
      border-radius: var(--radius-sm);
      background: #fbfdff;
      color: #101828;
      outline: 0;
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    .form-field input:hover,
    .form-field select:hover {
      border-color: #b6c7d9;
      background: #fff;
    }

    .form-note {
      color: #667085;
      font-size: 12px;
    }

    .form-message {
      display: none;
      padding: 12px 14px;
      border-radius: var(--radius-sm);
      background: #effffb;
      color: #0f766e;
      font-size: 14px;
      font-weight: 800;
    }

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

    .site-footer {
      color: #d7e3f5;
      background: #07101e;
      border-top: 1px solid rgba(255,255,255,.1);
    }

    .footer-main {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 40px;
      padding: 54px 0;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
      color: #fff;
      font-weight: 950;
      font-size: 20px;
      letter-spacing: -.03em;
    }

    .footer-text {
      max-width: 680px;
      color: #9fb0c8;
      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: #cbd8ea;
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.08);
      font-size: 13px;
      font-weight: 800;
    }

    .footer-links a:hover {
      color: #06131d;
      background: var(--primary);
      border-color: var(--primary);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding: 18px 0 26px;
      border-top: 1px solid rgba(255,255,255,.08);
      color: #8395af;
      font-size: 13px;
    }

    .floating-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      z-index: 70;
      width: min(calc(100% - 32px), 760px);
      transform: translateX(-50%);
      display: none;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 10px 12px 10px 16px;
      border-radius: 999px;
      color: #fff;
      background: rgba(16,24,40,.86);
      border: 1px solid rgba(255,255,255,.16);
      box-shadow: 0 18px 44px rgba(0,0,0,.25);
      backdrop-filter: blur(16px);
    }

    .floating-cta span {
      min-width: 0;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      font-size: 13px;
      font-weight: 800;
    }

    @media (max-width: 1024px) {
      :root {
        --nav-height: 68px;
      }

      .header-search {
        width: 190px;
      }

      .hero {
        min-height: 650px;
      }

      .hero-panel,
      .dashboard,
      .answer-grid,
      .content-area,
      .faq-wrap,
      .app-shell,
      .section-head {
        grid-template-columns: 1fr;
      }

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

      .recommend-panel {
        position: static;
        grid-template-columns: repeat(2, 1fr);
      }

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

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

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

      .nav-actions {
        margin-left: auto;
      }

      .header-search {
        display: none;
      }

      .menu-toggle {
        display: inline-grid;
        place-items: center;
      }

      .main-nav {
        position: fixed;
        top: var(--nav-height);
        left: 14px;
        right: 14px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
        border-radius: 20px;
        background: rgba(8,17,31,.96);
        border: 1px solid rgba(255,255,255,.13);
        box-shadow: var(--shadow);
      }

      .main-nav.open {
        display: flex;
      }

      .nav-link {
        border-radius: 14px;
      }

      .hero {
        min-height: auto;
      }

      .hero-inner {
        padding: 62px 0 56px;
      }

      .event-strip {
        border-radius: 22px;
      }

      .hero-stats,
      .metric-grid,
      .answer-cards,
      .safety-grid,
      .mini-reco,
      .app-tiles,
      .recommend-panel {
        grid-template-columns: 1fr;
      }

      .dashboard-head {
        flex-direction: column;
      }

      .update-list a {
        grid-template-columns: 1fr auto;
      }

      .update-list .date {
        grid-column: 1 / -1;
      }

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

      .article-meta {
        flex-direction: row;
        flex-wrap: wrap;
      }

      .app-visual {
        min-height: 520px;
      }

      .footer-bottom {
        flex-direction: column;
      }

      .floating-cta {
        display: flex;
      }
    }

    @media (max-width: 520px) {
      .brand-text {
        font-size: 15px;
      }

      .brand-sub {
        display: none;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 13px;
      }

      .hero h1 {
        font-size: 40px;
      }

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

      .section {
        padding: 62px 0;
      }

      .section.compact {
        padding: 46px 0;
      }

      .dashboard-main,
      .answer-lead,
      .faq-intro,
      .lead-form {
        padding: 22px;
      }

      .app-shell {
        padding: 12px;
        border-radius: 24px;
      }

      .app-visual {
        min-height: 560px;
        padding: 24px;
        border-radius: 20px;
      }

      .app-tiles {
        left: 24px;
        right: 24px;
        bottom: 24px;
      }

      .floating-cta .btn {
        min-height: 38px;
        padding: 9px 12px;
        font-size: 12px;
      }
    }