/* roulang page: index */
:root {
      --brand: #2563eb;
      --brand-dark: #1d4ed8;
      --brand-soft: #eff6ff;
      --accent: #06b6d4;
      --accent-soft: #ecfeff;
      --ink: #0f172a;
      --muted: #64748b;
      --weak: #94a3b8;
      --line: #e2e8f0;
      --card: #ffffff;
      --bg: #f8fbff;
      --bg-2: #eef6ff;
      --success: #10b981;
      --warning: #f59e0b;
      --danger: #ef4444;
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --shadow-sm: 0 8px 24px rgba(15, 23, 42, .06);
      --shadow-md: 0 18px 45px rgba(37, 99, 235, .12);
      --shadow-lg: 0 28px 70px rgba(15, 23, 42, .14);
      --nav-width: 264px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 80% 8%, rgba(37, 99, 235, .12), transparent 34%),
        radial-gradient(circle at 12% 28%, rgba(6, 182, 212, .10), transparent 30%),
        linear-gradient(180deg, #fbfdff 0%, var(--bg) 48%, #ffffff 100%);
      line-height: 1.75;
      overflow-x: hidden;
    }

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

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

    button, input {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    ::selection {
      background: rgba(37, 99, 235, .18);
      color: var(--brand-dark);
    }

    .site-shell {
      min-height: 100vh;
    }

    .side-nav {
      position: fixed;
      inset: 0 auto 0 0;
      width: var(--nav-width);
      padding: 24px 18px;
      background: rgba(255, 255, 255, .88);
      border-right: 1px solid rgba(226, 232, 240, .85);
      backdrop-filter: blur(22px);
      z-index: 50;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: 12px 0 35px rgba(15, 23, 42, .04);
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px;
      border-radius: 18px;
      outline: none;
    }

    .brand:focus-visible,
    .nav-link:focus-visible,
    .btn:focus-visible,
    .matrix-link:focus-visible,
    .news-link:focus-visible,
    .footer-link:focus-visible,
    .mobile-toggle:focus-visible,
    .field:focus {
      outline: 3px solid rgba(37, 99, 235, .25);
      outline-offset: 3px;
    }

    .brand-mark {
      width: 44px;
      height: 44px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, var(--brand), var(--accent));
      box-shadow: 0 14px 28px rgba(37, 99, 235, .25);
      flex: 0 0 auto;
    }

    .brand-name {
      font-weight: 900;
      line-height: 1.2;
      letter-spacing: -.03em;
    }

    .brand-sub {
      display: block;
      margin-top: 3px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0;
    }

    .nav-menu {
      margin-top: 28px;
      display: grid;
      gap: 10px;
    }

    .nav-link {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 13px 14px;
      border-radius: 16px;
      color: var(--muted);
      font-weight: 800;
      border: 1px solid transparent;
    }

    .nav-link:hover {
      color: var(--brand-dark);
      background: var(--brand-soft);
      transform: translateX(2px);
    }

    .nav-link.active {
      color: var(--brand-dark);
      background: linear-gradient(135deg, rgba(37, 99, 235, .12), rgba(6, 182, 212, .08));
      border-color: rgba(37, 99, 235, .16);
      box-shadow: var(--shadow-sm);
    }

    .nav-icon {
      width: 26px;
      height: 26px;
      border-radius: 10px;
      display: grid;
      place-items: center;
      background: #fff;
      border: 1px solid var(--line);
      color: var(--brand);
      font-size: 14px;
    }

    .nav-card {
      margin-top: 24px;
      padding: 18px;
      border-radius: 22px;
      background: linear-gradient(180deg, #0f172a, #1e3a8a);
      color: #fff;
      box-shadow: var(--shadow-md);
      overflow: hidden;
      position: relative;
    }

    .nav-card::after {
      content: "";
      position: absolute;
      width: 110px;
      height: 110px;
      border-radius: 999px;
      right: -42px;
      top: -28px;
      background: rgba(255, 255, 255, .12);
    }

    .nav-card strong {
      display: block;
      font-size: 15px;
      margin-bottom: 8px;
      position: relative;
      z-index: 1;
    }

    .nav-card p {
      margin: 0;
      color: rgba(255, 255, 255, .78);
      font-size: 13px;
      line-height: 1.65;
      position: relative;
      z-index: 1;
    }

    .nav-bottom {
      color: var(--weak);
      font-size: 12px;
      padding: 0 10px;
    }

    .mobile-header {
      display: none;
      position: sticky;
      top: 0;
      z-index: 60;
      background: rgba(255, 255, 255, .9);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
      padding: 12px 16px;
      align-items: center;
      justify-content: space-between;
    }

    .mobile-toggle {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: #fff;
      color: var(--ink);
      display: grid;
      place-items: center;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .mobile-toggle:hover {
      transform: translateY(-1px);
      border-color: rgba(37, 99, 235, .28);
      box-shadow: var(--shadow-sm);
    }

    .mobile-panel {
      display: none;
      position: sticky;
      top: 67px;
      z-index: 55;
      background: rgba(255, 255, 255, .96);
      border-bottom: 1px solid var(--line);
      padding: 10px 16px 16px;
      backdrop-filter: blur(18px);
    }

    .mobile-panel.open {
      display: block;
    }

    .page-content {
      margin-left: var(--nav-width);
      min-width: 0;
    }

    .container {
      width: min(1160px, calc(100% - 48px));
      margin: 0 auto;
    }

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

    .section-tight {
      padding: 54px 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 30px;
    }

    .section-title {
      margin: 0;
      font-size: clamp(28px, 3vw, 42px);
      line-height: 1.18;
      letter-spacing: -.04em;
      font-weight: 950;
      color: var(--ink);
    }

    .section-desc {
      margin: 12px 0 0;
      max-width: 690px;
      color: var(--muted);
      font-size: 16px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      background: var(--brand-soft);
      color: var(--brand-dark);
      font-weight: 850;
      font-size: 13px;
      border: 1px solid rgba(37, 99, 235, .14);
      white-space: nowrap;
    }

    .badge.cyan {
      color: #0e7490;
      background: var(--accent-soft);
      border-color: rgba(6, 182, 212, .18);
    }

    .badge.dark {
      color: #fff;
      background: rgba(15, 23, 42, .88);
      border-color: rgba(255, 255, 255, .12);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 12px 18px;
      border-radius: 16px;
      border: 1px solid transparent;
      font-weight: 900;
      line-height: 1;
      transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease;
      user-select: none;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--brand), var(--brand-dark));
      box-shadow: 0 16px 34px rgba(37, 99, 235, .25);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 22px 44px rgba(37, 99, 235, .32);
    }

    .btn-secondary {
      color: var(--brand-dark);
      background: #fff;
      border-color: rgba(37, 99, 235, .18);
      box-shadow: var(--shadow-sm);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      background: var(--brand-soft);
      border-color: rgba(37, 99, 235, .28);
    }

    .btn-ghost {
      color: var(--muted);
      background: rgba(255, 255, 255, .72);
      border-color: var(--line);
    }

    .btn-ghost:hover {
      color: var(--brand-dark);
      border-color: rgba(37, 99, 235, .25);
      box-shadow: var(--shadow-sm);
    }

    .hero {
      padding: 38px 0 68px;
    }

    .hero-board {
      border-radius: 34px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.96), rgba(239,246,255,.92)),
        radial-gradient(circle at 20% 0%, rgba(37,99,235,.18), transparent 36%);
      border: 1px solid rgba(226, 232, 240, .92);
      box-shadow: var(--shadow-lg);
      overflow: hidden;
      position: relative;
    }

    .hero-board::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(37,99,235,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37,99,235,.06) 1px, transparent 1px);
      background-size: 34px 34px;
      mask-image: linear-gradient(90deg, rgba(0,0,0,.35), transparent 72%);
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 1;
      padding: clamp(26px, 4vw, 52px);
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 30px;
      align-items: stretch;
    }

    .hero-copy {
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .hero-kicker {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 20px;
    }

    .hero-title {
      margin: 0;
      max-width: 780px;
      font-size: clamp(36px, 5vw, 66px);
      line-height: 1.05;
      letter-spacing: -.06em;
      font-weight: 1000;
    }

    .hero-lead {
      margin: 22px 0 0;
      max-width: 760px;
      color: var(--muted);
      font-size: 18px;
      line-height: 1.85;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }

    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 28px;
      max-width: 760px;
    }

    .point {
      padding: 14px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .78);
      border: 1px solid rgba(226, 232, 240, .92);
      box-shadow: var(--shadow-sm);
    }

    .point strong {
      display: block;
      font-size: 22px;
      line-height: 1;
      color: var(--brand-dark);
      margin-bottom: 7px;
    }

    .point span {
      display: block;
      color: var(--muted);
      font-weight: 700;
      font-size: 13px;
    }

    .fund-panel {
      background: rgba(255, 255, 255, .82);
      border: 1px solid rgba(226, 232, 240, .96);
      border-radius: 30px;
      padding: 22px;
      box-shadow: var(--shadow-md);
      align-self: stretch;
    }

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

    .ring-wrap {
      display: grid;
      grid-template-columns: 156px 1fr;
      gap: 18px;
      align-items: center;
      padding: 18px;
      border-radius: 24px;
      background: linear-gradient(180deg, #f8fbff, #fff);
      border: 1px solid var(--line);
    }

    .progress-ring {
      width: 148px;
      height: 148px;
      border-radius: 50%;
      background: conic-gradient(var(--brand) 0 68%, #dbeafe 68% 100%);
      display: grid;
      place-items: center;
      position: relative;
      box-shadow: inset 0 0 0 1px rgba(37,99,235,.08);
    }

    .progress-ring::after {
      content: "";
      position: absolute;
      width: 104px;
      height: 104px;
      border-radius: 50%;
      background: #fff;
      box-shadow: inset 0 0 0 1px var(--line);
    }

    .ring-value {
      position: relative;
      z-index: 1;
      text-align: center;
      font-weight: 1000;
      color: var(--brand-dark);
      font-size: 28px;
      line-height: 1;
    }

    .ring-value small {
      display: block;
      margin-top: 6px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
    }

    .fund-copy strong {
      display: block;
      font-size: 20px;
      line-height: 1.25;
      margin-bottom: 8px;
    }

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

    .tier-list {
      display: grid;
      gap: 12px;
      margin-top: 16px;
    }

    .tier {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 14px;
      border-radius: 18px;
      background: #fff;
      border: 1px solid var(--line);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .tier:hover {
      transform: translateY(-2px);
      border-color: rgba(37,99,235,.22);
      box-shadow: var(--shadow-sm);
    }

    .tier-num {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      background: var(--brand-soft);
      color: var(--brand-dark);
      font-weight: 900;
    }

    .tier strong {
      display: block;
      line-height: 1.2;
      font-size: 15px;
    }

    .tier span {
      display: block;
      color: var(--muted);
      font-size: 12px;
      margin-top: 3px;
    }

    .tier small {
      color: var(--success);
      font-weight: 900;
      white-space: nowrap;
    }

    .updates-grid {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 22px;
      align-items: stretch;
    }

    .timeline {
      border-radius: var(--radius-xl);
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
      padding: 24px;
    }

    .timeline-item {
      position: relative;
      display: grid;
      grid-template-columns: 86px 1fr;
      gap: 16px;
      padding: 0 0 22px;
    }

    .timeline-item:not(:last-child)::after {
      content: "";
      position: absolute;
      left: 76px;
      top: 34px;
      bottom: 2px;
      width: 1px;
      background: linear-gradient(var(--line), transparent);
    }

    .time-pill {
      display: inline-flex;
      justify-content: center;
      padding: 7px 10px;
      border-radius: 999px;
      background: var(--bg-2);
      color: var(--brand-dark);
      font-size: 12px;
      font-weight: 900;
      height: fit-content;
    }

    .timeline-body {
      padding-bottom: 4px;
    }

    .timeline-body strong {
      display: block;
      font-size: 18px;
      margin-bottom: 6px;
    }

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

    .spotlight-card {
      border-radius: var(--radius-xl);
      padding: 28px;
      background: linear-gradient(135deg, #0f172a, #1e40af 64%, #0891b2);
      color: #fff;
      box-shadow: var(--shadow-lg);
      overflow: hidden;
      position: relative;
      min-height: 100%;
    }

    .spotlight-card::after {
      content: "";
      position: absolute;
      width: 260px;
      height: 260px;
      border-radius: 999px;
      right: -90px;
      bottom: -120px;
      background: rgba(255,255,255,.12);
    }

    .spotlight-card h3 {
      position: relative;
      z-index: 1;
      font-size: clamp(26px, 3vw, 38px);
      line-height: 1.18;
      letter-spacing: -.04em;
      margin: 18px 0 14px;
      font-weight: 950;
    }

    .spotlight-card p {
      position: relative;
      z-index: 1;
      margin: 0;
      color: rgba(255,255,255,.78);
    }

    .mini-stats {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
      margin-top: 24px;
    }

    .mini-stat {
      padding: 14px;
      border-radius: 18px;
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.14);
      backdrop-filter: blur(10px);
    }

    .mini-stat strong {
      display: block;
      font-size: 22px;
      line-height: 1;
    }

    .mini-stat span {
      display: block;
      margin-top: 7px;
      color: rgba(255,255,255,.72);
      font-size: 12px;
      font-weight: 700;
    }

    .countdown-strip {
      border-radius: var(--radius-xl);
      padding: 24px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 20px;
      align-items: center;
    }

    .countdown-title {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
    }

    .countdown-title h2 {
      margin: 0;
      font-size: clamp(24px, 3vw, 36px);
      letter-spacing: -.04em;
      font-weight: 950;
      line-height: 1.2;
    }

    .countdown-title p {
      width: 100%;
      margin: 8px 0 0;
      color: var(--muted);
      max-width: 720px;
    }

    .timer {
      display: flex;
      gap: 10px;
      align-items: center;
      justify-content: flex-end;
      flex-wrap: wrap;
    }

    .timer-box {
      min-width: 72px;
      padding: 10px 12px;
      text-align: center;
      border-radius: 18px;
      background: var(--brand-soft);
      border: 1px solid rgba(37,99,235,.14);
    }

    .timer-box strong {
      display: block;
      color: var(--brand-dark);
      font-size: 24px;
      line-height: 1;
      font-weight: 1000;
    }

    .timer-box span {
      display: block;
      margin-top: 6px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
    }

    .qa-layout {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 22px;
    }

    .qa-intro {
      border-radius: var(--radius-xl);
      padding: 26px;
      background: linear-gradient(180deg, var(--brand-soft), #fff);
      border: 1px solid rgba(37,99,235,.14);
      box-shadow: var(--shadow-sm);
      height: fit-content;
      position: sticky;
      top: 24px;
    }

    .qa-intro h2 {
      margin: 14px 0 12px;
      font-size: clamp(26px, 3vw, 38px);
      line-height: 1.18;
      letter-spacing: -.04em;
      font-weight: 950;
    }

    .qa-intro p {
      margin: 0;
      color: var(--muted);
    }

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

    .qa-item {
      border-radius: 22px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .qa-question {
      width: 100%;
      border: 0;
      background: transparent;
      text-align: left;
      padding: 20px 22px;
      display: flex;
      justify-content: space-between;
      gap: 18px;
      align-items: center;
      color: var(--ink);
      font-weight: 950;
    }

    .qa-question:hover {
      color: var(--brand-dark);
      background: #fbfdff;
    }

    .qa-question span:last-child {
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      border-radius: 10px;
      display: grid;
      place-items: center;
      background: var(--brand-soft);
      color: var(--brand-dark);
      transition: transform .2s ease;
    }

    .qa-item.open .qa-question span:last-child {
      transform: rotate(45deg);
    }

    .qa-answer {
      display: none;
      padding: 0 22px 20px;
      color: var(--muted);
      font-size: 15px;
      border-top: 1px solid rgba(226,232,240,.68);
    }

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

    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .matrix-link {
      min-height: 148px;
      border-radius: 24px;
      padding: 20px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .matrix-link:hover {
      transform: translateY(-4px);
      border-color: rgba(37,99,235,.25);
      box-shadow: var(--shadow-md);
    }

    .matrix-icon {
      width: 44px;
      height: 44px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: var(--brand-dark);
      background: var(--brand-soft);
      font-weight: 950;
    }

    .matrix-link strong {
      display: block;
      margin-top: 18px;
      font-size: 18px;
      line-height: 1.2;
    }

    .matrix-link span {
      display: block;
      margin-top: 8px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.6;
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.4fr) minmax(290px, .6fr);
      gap: 24px;
      align-items: start;
    }

    .news-list {
      border-radius: var(--radius-xl);
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .news-link {
      display: grid;
      grid-template-columns: 96px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 20px 22px;
      border-bottom: 1px solid var(--line);
    }

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

    .news-link:hover {
      background: #fbfdff;
    }

    .news-date {
      color: var(--brand-dark);
      font-weight: 950;
      font-size: 14px;
      padding: 8px 10px;
      border-radius: 999px;
      background: var(--brand-soft);
      text-align: center;
    }

    .news-link strong {
      display: block;
      font-size: 18px;
      line-height: 1.35;
    }

    .news-link p {
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .arrow {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      background: #fff;
      border: 1px solid var(--line);
      color: var(--muted);
    }

    .news-link:hover .arrow {
      color: #fff;
      background: var(--brand);
      border-color: var(--brand);
    }

    .recommend {
      border-radius: var(--radius-xl);
      background: linear-gradient(180deg, #fff, var(--brand-soft));
      border: 1px solid rgba(37,99,235,.14);
      box-shadow: var(--shadow-sm);
      padding: 22px;
    }

    .recommend h3 {
      margin: 0 0 14px;
      font-size: 22px;
      font-weight: 950;
      letter-spacing: -.03em;
    }

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

    .rank-item {
      display: grid;
      grid-template-columns: 30px 1fr;
      gap: 10px;
      align-items: start;
      padding: 12px;
      border-radius: 16px;
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(226,232,240,.85);
    }

    .rank-item b {
      width: 30px;
      height: 30px;
      display: grid;
      place-items: center;
      border-radius: 10px;
      background: var(--brand);
      color: #fff;
      font-size: 13px;
    }

    .rank-item strong {
      display: block;
      line-height: 1.35;
      font-size: 15px;
    }

    .rank-item span {
      display: block;
      margin-top: 4px;
      color: var(--muted);
      font-size: 12px;
    }

    .security-wrap {
      border-radius: 34px;
      padding: 30px;
      background:
        radial-gradient(circle at 80% 0%, rgba(6,182,212,.15), transparent 34%),
        linear-gradient(135deg, #0f172a, #1e3a8a);
      color: #fff;
      box-shadow: var(--shadow-lg);
      overflow: hidden;
    }

    .security-head {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: end;
      margin-bottom: 24px;
    }

    .security-head h2 {
      margin: 0;
      font-size: clamp(28px, 3vw, 42px);
      letter-spacing: -.04em;
      line-height: 1.18;
      font-weight: 950;
    }

    .security-head p {
      margin: 12px 0 0;
      color: rgba(255,255,255,.72);
      max-width: 720px;
    }

    .security-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .security-card {
      padding: 20px;
      border-radius: 22px;
      background: rgba(255,255,255,.10);
      border: 1px solid rgba(255,255,255,.14);
      backdrop-filter: blur(12px);
      transition: transform .2s ease, background-color .2s ease;
    }

    .security-card:hover {
      transform: translateY(-3px);
      background: rgba(255,255,255,.14);
    }

    .security-card .check {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      background: rgba(255,255,255,.16);
      color: #67e8f9;
      font-weight: 950;
      margin-bottom: 14px;
    }

    .security-card strong {
      display: block;
      font-size: 18px;
      margin-bottom: 8px;
    }

    .security-card p {
      margin: 0;
      color: rgba(255,255,255,.72);
      font-size: 14px;
    }

    .voice-wall {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 16px;
      align-items: start;
    }

    .voice {
      grid-column: span 4;
      padding: 20px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .voice:nth-child(2),
    .voice:nth-child(5) {
      margin-top: 26px;
    }

    .voice p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .voice-user {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-top: 16px;
    }

    .avatar {
      width: 40px;
      height: 40px;
      border-radius: 999px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, var(--brand-soft), var(--accent-soft));
      color: var(--brand-dark);
      font-weight: 950;
      border: 1px solid rgba(37,99,235,.12);
    }

    .voice-user strong {
      display: block;
      line-height: 1.2;
      font-size: 14px;
    }

    .voice-user span {
      display: block;
      color: var(--weak);
      font-size: 12px;
      margin-top: 3px;
    }

    .app-stage {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 24px;
      align-items: center;
      border-radius: 34px;
      padding: 34px;
      background: linear-gradient(135deg, #fff, #eff6ff);
      border: 1px solid rgba(37,99,235,.13);
      box-shadow: var(--shadow-md);
      overflow: hidden;
      position: relative;
    }

    .app-stage::after {
      content: "";
      position: absolute;
      right: -140px;
      top: -120px;
      width: 320px;
      height: 320px;
      border-radius: 999px;
      background: rgba(37,99,235,.10);
    }

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

    .app-copy h2 {
      margin: 14px 0 14px;
      font-size: clamp(28px, 3vw, 44px);
      line-height: 1.15;
      letter-spacing: -.04em;
      font-weight: 950;
    }

    .app-copy p {
      margin: 0;
      color: var(--muted);
      max-width: 620px;
    }

    .feature-list {
      margin: 22px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 12px;
    }

    .feature-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--muted);
      font-weight: 700;
    }

    .feature-list li::before {
      content: "✓";
      width: 24px;
      height: 24px;
      flex: 0 0 auto;
      border-radius: 9px;
      display: grid;
      place-items: center;
      color: var(--brand-dark);
      background: var(--brand-soft);
      font-weight: 950;
      margin-top: 2px;
    }

    .app-form {
      position: relative;
      z-index: 1;
      padding: 24px;
      border-radius: 26px;
      background: rgba(255,255,255,.82);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
    }

    .app-form h3 {
      margin: 0 0 10px;
      font-size: 22px;
      font-weight: 950;
    }

    .app-form p {
      margin: 0 0 18px;
      color: var(--muted);
      font-size: 14px;
    }

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

    .field {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: 16px;
      min-height: 48px;
      padding: 0 14px;
      color: var(--ink);
      background: #fff;
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    .field:hover {
      border-color: rgba(37,99,235,.24);
    }

    .form-note {
      min-height: 22px;
      margin-top: 12px;
      color: var(--success);
      font-weight: 800;
      font-size: 13px;
    }

    .site-footer {
      margin-left: var(--nav-width);
      background: #0f172a;
      color: #cbd5e1;
      padding: 44px 0 32px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 28px;
      align-items: start;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 950;
      font-size: 18px;
    }

    .footer-brand .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 14px;
      box-shadow: none;
    }

    .footer-text {
      margin: 16px 0 0;
      max-width: 650px;
      color: #94a3b8;
      font-size: 14px;
    }

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

    .footer-link {
      padding: 9px 12px;
      border-radius: 999px;
      color: #cbd5e1;
      border: 1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.04);
      font-size: 13px;
      font-weight: 800;
    }

    .footer-link:hover {
      color: #fff;
      background: rgba(37,99,235,.28);
      border-color: rgba(147,197,253,.28);
    }

    .copyright {
      margin-top: 28px;
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,.10);
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      color: #64748b;
      font-size: 13px;
    }

    @media (max-width: 1180px) {
      :root {
        --nav-width: 236px;
      }

      .container {
        width: min(100% - 36px, 1040px);
      }

      .hero-inner,
      .updates-grid,
      .app-stage {
        grid-template-columns: 1fr;
      }

      .fund-panel {
        max-width: none;
      }

      .matrix-grid,
      .security-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .voice {
        grid-column: span 6;
      }
    }

    @media (max-width: 900px) {
      .side-nav {
        display: none;
      }

      .mobile-header {
        display: flex;
      }

      .mobile-panel .nav-menu {
        margin-top: 0;
      }

      .page-content,
      .site-footer {
        margin-left: 0;
      }

      .section {
        padding: 58px 0;
      }

      .hero {
        padding-top: 22px;
      }

      .hero-inner {
        padding: 24px;
      }

      .hero-points,
      .ring-wrap,
      .qa-layout,
      .news-layout,
      .security-head,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .qa-intro {
        position: relative;
        top: auto;
      }

      .countdown-strip {
        grid-template-columns: 1fr;
      }

      .timer {
        justify-content: flex-start;
      }

      .section-head {
        align-items: flex-start;
        flex-direction: column;
      }

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

    @media (max-width: 640px) {
      .container {
        width: min(100% - 28px, 100%);
      }

      .brand-name {
        font-size: 14px;
      }

      .brand-sub {
        display: none;
      }

      .hero-board,
      .security-wrap,
      .app-stage {
        border-radius: 26px;
      }

      .fund-panel,
      .timeline,
      .spotlight-card,
      .recommend {
        border-radius: 24px;
      }

      .matrix-grid,
      .security-grid {
        grid-template-columns: 1fr;
      }

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

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

      .news-date {
        width: fit-content;
      }

      .arrow {
        display: none;
      }

      .voice {
        grid-column: span 12;
      }

      .voice:nth-child(2),
      .voice:nth-child(5) {
        margin-top: 0;
      }

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

      .btn {
        width: 100%;
      }

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

      .timer-box {
        min-width: calc(50% - 6px);
      }

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

      .hero-title {
        font-size: 38px;
      }
    }