/* roulang page: index */
:root {
      --primary: #155eef;
      --primary-dark: #0f3fa8;
      --primary-soft: #eaf1ff;
      --secondary: #12b6cb;
      --accent: #ff6b35;
      --accent-dark: #e14f1c;
      --ink: #102033;
      --muted: #637083;
      --weak: #8b98aa;
      --bg: #f6f9ff;
      --surface: #ffffff;
      --surface-2: #f1f6ff;
      --border: #dfe8f6;
      --success: #16a36b;
      --warning: #f59e0b;
      --danger: #ef4444;
      --shadow-sm: 0 8px 24px rgba(17, 42, 84, .08);
      --shadow-md: 0 16px 44px rgba(17, 42, 84, .12);
      --shadow-lg: 0 28px 70px rgba(21, 94, 239, .18);
      --radius-sm: 12px;
      --radius: 20px;
      --radius-lg: 30px;
      --container: 1180px;
      --nav-height: 76px;
      --ease: cubic-bezier(.2, .8, .2, 1);
    }

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

    html {
      scroll-behavior: smooth;
      text-size-adjust: 100%;
    }

    body {
      min-height: 100vh;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      line-height: 1.72;
      color: var(--ink);
      background:
        radial-gradient(circle at 8% 8%, rgba(18, 182, 203, .12), transparent 34%),
        radial-gradient(circle at 92% 0%, rgba(21, 94, 239, .12), transparent 28%),
        var(--bg);
      overflow-x: hidden;
    }

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

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

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

    button {
      cursor: pointer;
      border: 0;
      background: none;
    }

    input,
    textarea,
    select {
      width: 100%;
      border: 1px solid var(--border);
      background: #fff;
      color: var(--ink);
      border-radius: 14px;
      padding: 13px 15px;
      outline: none;
      transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
    }

    textarea {
      resize: vertical;
      min-height: 118px;
    }

    input:focus,
    textarea:focus,
    select:focus {
      border-color: rgba(21, 94, 239, .72);
      box-shadow: 0 0 0 4px rgba(21, 94, 239, .12);
    }

    ::selection {
      background: rgba(21, 94, 239, .18);
    }

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

    .skip-link {
      position: absolute;
      left: 18px;
      top: -80px;
      z-index: 1000;
      padding: 10px 14px;
      border-radius: 12px;
      color: #fff;
      background: var(--primary);
      transition: top .2s var(--ease);
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 80;
      backdrop-filter: blur(18px);
      background: rgba(255, 255, 255, .86);
      border-bottom: 1px solid rgba(223, 232, 246, .78);
      box-shadow: 0 10px 26px rgba(16, 32, 51, .04);
    }

    .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;
      font-weight: 900;
      letter-spacing: -.02em;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      border-radius: 15px;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 12px 26px rgba(21, 94, 239, .24);
    }

    .brand-name {
      max-width: 360px;
      overflow: hidden;
      white-space: nowrap;
      text-overflow: ellipsis;
      font-size: 17px;
    }

    .nav-main {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 12px;
      flex: 1;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      height: 42px;
      padding: 0 16px;
      border-radius: 999px;
      color: var(--muted);
      font-weight: 750;
      font-size: 15px;
    }

    .nav-link:hover,
    .nav-link:focus-visible {
      color: var(--primary);
      background: var(--primary-soft);
      outline: none;
    }

    .nav-link.active {
      color: var(--primary);
      background: #fff;
      border: 1px solid rgba(21, 94, 239, .16);
      box-shadow: var(--shadow-sm);
    }

    .mega {
      position: relative;
    }

    .mega-trigger {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 42px;
      padding: 0 15px;
      border-radius: 999px;
      color: var(--ink);
      background: #fff;
      border: 1px solid var(--border);
      font-weight: 800;
      box-shadow: 0 8px 18px rgba(17, 42, 84, .05);
      transition: transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
    }

    .mega-trigger:hover,
    .mega-trigger:focus-visible {
      transform: translateY(-1px);
      border-color: rgba(21, 94, 239, .28);
      box-shadow: var(--shadow-sm);
      outline: none;
    }

    .mega-trigger .chev {
      width: 8px;
      height: 8px;
      border-right: 2px solid currentColor;
      border-bottom: 2px solid currentColor;
      transform: rotate(45deg) translateY(-2px);
      opacity: .68;
    }

    .mega-panel {
      position: absolute;
      right: 0;
      top: calc(100% + 14px);
      width: 420px;
      padding: 18px;
      border-radius: 24px;
      background: rgba(255, 255, 255, .98);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-md);
      opacity: 0;
      visibility: hidden;
      transform: translateY(10px) scale(.98);
      transition: opacity .18s var(--ease), visibility .18s var(--ease), transform .18s var(--ease);
    }

    .mega:hover .mega-panel,
    .mega:focus-within .mega-panel {
      opacity: 1;
      visibility: visible;
      transform: translateY(0) scale(1);
    }

    .mega-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .mega-card {
      padding: 14px;
      border-radius: 18px;
      border: 1px solid var(--border);
      background: linear-gradient(180deg, #fff, #f8fbff);
    }

    .mega-card strong {
      display: block;
      margin-bottom: 4px;
      font-size: 14px;
    }

    .mega-card span {
      display: block;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.55;
    }

    .mega-card:hover {
      border-color: rgba(21, 94, 239, .32);
      transform: translateY(-2px);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 44px;
      padding: 0 18px;
      border-radius: 999px;
      color: #fff;
      font-weight: 850;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      box-shadow: 0 12px 26px rgba(21, 94, 239, .24);
    }

    .nav-cta:hover,
    .nav-cta:focus-visible {
      transform: translateY(-2px);
      box-shadow: 0 18px 34px rgba(21, 94, 239, .3);
      outline: none;
    }

    .menu-toggle,
    .menu-checkbox {
      display: none;
    }

    main {
      overflow: hidden;
    }

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

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

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

    .section-title {
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.16;
      letter-spacing: -.04em;
      max-width: 760px;
    }

    .section-desc {
      max-width: 650px;
      color: var(--muted);
      font-size: 17px;
      margin-top: 12px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--primary);
      background: rgba(21, 94, 239, .09);
      border: 1px solid rgba(21, 94, 239, .14);
      padding: 7px 12px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 850;
      margin-bottom: 14px;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 99px;
      background: var(--secondary);
      box-shadow: 0 0 0 5px rgba(18, 182, 203, .12);
    }

    .btn-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 12px 18px;
      border-radius: 999px;
      font-weight: 850;
      border: 1px solid transparent;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--accent), var(--accent-dark));
      box-shadow: 0 16px 34px rgba(255, 107, 53, .28);
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      transform: translateY(-2px);
      box-shadow: 0 22px 42px rgba(255, 107, 53, .34);
      outline: none;
    }

    .btn-secondary {
      color: var(--primary);
      background: #fff;
      border-color: rgba(21, 94, 239, .2);
      box-shadow: var(--shadow-sm);
    }

    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      transform: translateY(-2px);
      border-color: rgba(21, 94, 239, .45);
      box-shadow: var(--shadow-md);
      outline: none;
    }

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

    .btn-ghost:hover,
    .btn-ghost:focus-visible {
      color: var(--primary);
      background: #fff;
      transform: translateY(-2px);
      outline: none;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      padding: 6px 10px;
      font-size: 12px;
      font-weight: 850;
      color: var(--primary-dark);
      background: var(--primary-soft);
      border: 1px solid rgba(21, 94, 239, .13);
    }

    .hero {
      padding: 42px 0 70px;
    }

    .promo-stage {
      position: relative;
      min-height: 580px;
      display: grid;
      align-items: stretch;
      border-radius: 36px;
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(9, 31, 72, .94), rgba(21, 94, 239, .88)),
        radial-gradient(circle at 72% 16%, rgba(18, 182, 203, .45), transparent 34%);
      box-shadow: var(--shadow-lg);
      color: #fff;
    }

    .promo-stage::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(255, 255, 255, .08) 1px, transparent 1px),
        linear-gradient(rgba(255, 255, 255, .08) 1px, transparent 1px);
      background-size: 54px 54px;
      mask-image: linear-gradient(90deg, rgba(0,0,0,.7), rgba(0,0,0,.15));
      pointer-events: none;
    }

    .promo-stage::after {
      content: "";
      position: absolute;
      right: -150px;
      top: -150px;
      width: 420px;
      height: 420px;
      border-radius: 50%;
      background: rgba(18, 182, 203, .28);
      filter: blur(6px);
    }

    .hero-content {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.04fr) minmax(360px, .78fr);
      gap: 34px;
      padding: clamp(28px, 5vw, 58px);
    }

    .hero-copy {
      display: flex;
      flex-direction: column;
      justify-content: center;
      min-width: 0;
    }

    .promo-badge {
      display: inline-flex;
      align-items: center;
      width: fit-content;
      gap: 9px;
      color: #152138;
      background: #fff;
      border-radius: 999px;
      padding: 8px 13px;
      font-size: 13px;
      font-weight: 900;
      box-shadow: 0 12px 32px rgba(0, 0, 0, .14);
      margin-bottom: 22px;
    }

    .promo-badge .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 6px rgba(255, 107, 53, .18);
    }

    .hero h1 {
      max-width: 850px;
      font-size: clamp(34px, 6vw, 68px);
      line-height: 1.05;
      letter-spacing: -.055em;
    }

    .hero-intro {
      max-width: 760px;
      color: rgba(255, 255, 255, .84);
      font-size: clamp(16px, 2.2vw, 20px);
      margin: 22px 0 28px;
    }

    .hero-actions {
      margin-bottom: 28px;
    }

    .hero-points {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .hero-point {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: rgba(255, 255, 255, .9);
      background: rgba(255, 255, 255, .1);
      border: 1px solid rgba(255, 255, 255, .18);
      border-radius: 999px;
      padding: 8px 12px;
      font-weight: 750;
      font-size: 14px;
    }

    .hero-point i {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #68e1fd;
    }

    .hero-visual {
      position: relative;
      align-self: center;
      min-height: 430px;
      display: grid;
      place-items: center;
    }

    .burst {
      position: absolute;
      right: 18px;
      top: 18px;
      z-index: 3;
      width: 118px;
      height: 118px;
      display: grid;
      place-items: center;
      text-align: center;
      color: #fff;
      font-size: 15px;
      font-weight: 950;
      line-height: 1.18;
      background: var(--accent);
      clip-path: polygon(50% 0%, 60% 18%, 80% 8%, 80% 30%, 100% 35%, 84% 50%, 100% 65%, 80% 70%, 80% 92%, 60% 82%, 50% 100%, 40% 82%, 20% 92%, 20% 70%, 0 65%, 16% 50%, 0 35%, 20% 30%, 20% 8%, 40% 18%);
      filter: drop-shadow(0 18px 26px rgba(0, 0, 0, .18));
      transform: rotate(8deg);
    }

    .stage-card {
      width: min(100%, 430px);
      position: relative;
      z-index: 2;
      border-radius: 30px;
      padding: 22px;
      background: rgba(255, 255, 255, .96);
      color: var(--ink);
      box-shadow: 0 30px 60px rgba(0, 0, 0, .25);
      border: 1px solid rgba(255, 255, 255, .7);
    }

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

    .stage-title {
      font-weight: 950;
      font-size: 18px;
    }

    .stage-pill {
      color: var(--success);
      background: rgba(22, 163, 107, .1);
      border-radius: 999px;
      padding: 5px 10px;
      font-size: 12px;
      font-weight: 900;
    }

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

    .route-item {
      display: grid;
      grid-template-columns: 42px 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 13px;
      border-radius: 18px;
      background: #f7faff;
      border: 1px solid var(--border);
    }

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

    .route-item strong {
      display: block;
      font-size: 14px;
      line-height: 1.3;
    }

    .route-item span {
      display: block;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.5;
      margin-top: 2px;
    }

    .route-status {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--success);
      box-shadow: 0 0 0 5px rgba(22, 163, 107, .12);
    }

    .countdown {
      margin-top: 18px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
    }

    .count-box {
      text-align: center;
      padding: 12px 8px;
      border-radius: 18px;
      color: var(--primary-dark);
      background: var(--primary-soft);
      border: 1px solid rgba(21, 94, 239, .12);
    }

    .count-box b {
      display: block;
      font-size: 24px;
      line-height: 1;
    }

    .count-box small {
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
    }

    .floating-note {
      position: absolute;
      left: 5px;
      bottom: 28px;
      z-index: 3;
      max-width: 210px;
      padding: 14px 15px;
      color: var(--ink);
      background: rgba(255, 255, 255, .94);
      border-radius: 18px;
      box-shadow: 0 18px 38px rgba(0, 0, 0, .18);
      font-size: 13px;
      font-weight: 800;
    }

    .channels {
      background: linear-gradient(180deg, rgba(255,255,255,.4), rgba(255,255,255,0));
    }

    .channel-layout {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 26px;
      align-items: start;
    }

    .channel-aside {
      position: sticky;
      top: calc(var(--nav-height) + 28px);
      padding: 28px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

    .channel-aside p {
      color: var(--muted);
      margin-top: 12px;
    }

    .mini-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 18px;
    }

    .mini-tag {
      color: var(--primary-dark);
      background: var(--surface-2);
      border: 1px solid var(--border);
      border-radius: 999px;
      padding: 6px 10px;
      font-size: 12px;
      font-weight: 850;
    }

    .channel-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .feature-card {
      position: relative;
      padding: 24px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
    }

    .feature-card::after {
      content: "";
      position: absolute;
      right: -34px;
      top: -34px;
      width: 120px;
      height: 120px;
      border-radius: 50%;
      background: rgba(21, 94, 239, .08);
    }

    .feature-card:hover {
      transform: translateY(-5px);
      border-color: rgba(21, 94, 239, .24);
      box-shadow: var(--shadow-md);
    }

    .feature-icon {
      width: 50px;
      height: 50px;
      display: grid;
      place-items: center;
      border-radius: 18px;
      color: #fff;
      font-size: 22px;
      font-weight: 900;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      margin-bottom: 18px;
    }

    .feature-card h3 {
      position: relative;
      z-index: 1;
      font-size: 20px;
      margin-bottom: 8px;
    }

    .feature-card p {
      position: relative;
      z-index: 1;
      color: var(--muted);
      font-size: 15px;
    }

    .hot-list {
      margin-top: 22px;
      display: grid;
      gap: 12px;
    }

    .hot-item {
      display: grid;
      grid-template-columns: 38px 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 14px;
      border: 1px solid var(--border);
      border-radius: 18px;
      background: rgba(255,255,255,.86);
    }

    .hot-no {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      border-radius: 13px;
      color: #fff;
      background: var(--ink);
      font-weight: 950;
    }

    .hot-item strong {
      display: block;
      font-size: 15px;
    }

    .hot-item span {
      display: block;
      color: var(--muted);
      font-size: 13px;
      margin-top: 2px;
    }

    .hot-item a {
      color: var(--primary);
      font-size: 13px;
      font-weight: 900;
      white-space: nowrap;
    }

    .hot-item a:hover {
      color: var(--accent);
    }

    .data-strip {
      padding: 46px 0;
      background: #fff;
      border-block: 1px solid var(--border);
    }

    .metrics {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 18px;
    }

    .metric {
      padding: 22px;
      border-radius: 24px;
      background: linear-gradient(180deg, #ffffff, #f7faff);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

    .metric b {
      display: block;
      color: var(--primary);
      font-size: clamp(28px, 4vw, 42px);
      line-height: 1.1;
      letter-spacing: -.03em;
    }

    .metric span {
      display: block;
      color: var(--muted);
      margin-top: 8px;
      font-size: 14px;
    }

    .comparison-wrap {
      margin-top: 22px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }

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

    .compare-card.highlight {
      background: linear-gradient(135deg, #ffffff, #eef5ff);
      border-color: rgba(21, 94, 239, .22);
    }

    .compare-card h3 {
      font-size: 20px;
      margin-bottom: 14px;
    }

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

    .check-list li {
      position: relative;
      padding-left: 28px;
      color: var(--muted);
      font-size: 15px;
    }

    .check-list li::before {
      content: "✓";
      position: absolute;
      left: 0;
      top: 0;
      width: 20px;
      height: 20px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: #fff;
      background: var(--success);
      font-size: 12px;
      font-weight: 900;
      line-height: 1;
    }

    .lead-section {
      background:
        radial-gradient(circle at 20% 10%, rgba(21, 94, 239, .1), transparent 28%),
        linear-gradient(180deg, var(--bg), #fff);
    }

    .lead-panel {
      display: grid;
      grid-template-columns: .86fr 1.14fr;
      gap: 28px;
      align-items: stretch;
      padding: 28px;
      border-radius: 34px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-md);
    }

    .lead-copy {
      padding: 24px;
      border-radius: 26px;
      color: #fff;
      background:
        linear-gradient(145deg, rgba(16,32,51,.94), rgba(21,94,239,.86)),
        radial-gradient(circle at 80% 20%, rgba(18,182,203,.5), transparent 30%);
      overflow: hidden;
      position: relative;
    }

    .lead-copy::after {
      content: "";
      position: absolute;
      right: -70px;
      bottom: -70px;
      width: 210px;
      height: 210px;
      border-radius: 50%;
      background: rgba(255,255,255,.12);
    }

    .lead-copy h2 {
      font-size: clamp(26px, 4vw, 42px);
      line-height: 1.18;
      letter-spacing: -.04em;
      margin-bottom: 14px;
    }

    .lead-copy p {
      color: rgba(255,255,255,.82);
      margin-bottom: 20px;
    }

    .lead-benefits {
      position: relative;
      z-index: 1;
      display: grid;
      gap: 12px;
      margin-top: 24px;
    }

    .lead-benefit {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 12px;
      border-radius: 16px;
      background: rgba(255,255,255,.1);
      border: 1px solid rgba(255,255,255,.15);
    }

    .lead-benefit i {
      width: 26px;
      height: 26px;
      flex: 0 0 auto;
      border-radius: 10px;
      display: grid;
      place-items: center;
      background: rgba(255,255,255,.16);
      color: #aef4ff;
      font-style: normal;
      font-weight: 950;
    }

    .lead-benefit span {
      color: rgba(255,255,255,.86);
      font-size: 14px;
    }

    .lead-form {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
      align-content: start;
    }

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

    .field.full {
      grid-column: 1 / -1;
    }

    .field label {
      color: var(--ink);
      font-weight: 850;
      font-size: 14px;
    }

    .form-note {
      grid-column: 1 / -1;
      color: var(--muted);
      background: var(--surface-2);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 12px 14px;
      font-size: 13px;
    }

    .form-action {
      grid-column: 1 / -1;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      flex-wrap: wrap;
      margin-top: 4px;
    }

    .form-result {
      display: none;
      color: var(--success);
      font-weight: 850;
      font-size: 14px;
    }

    .form-result.show {
      display: inline-flex;
    }

    .news-section {
      background: #fff;
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.1fr .56fr;
      gap: 24px;
      align-items: start;
    }

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

    .news-link {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 14px;
      align-items: center;
      padding: 18px 20px;
      border-radius: 20px;
      border: 1px solid var(--border);
      background: #fff;
      box-shadow: 0 8px 20px rgba(17,42,84,.04);
    }

    .news-link:hover,
    .news-link:focus-visible {
      transform: translateX(4px);
      border-color: rgba(21, 94, 239, .28);
      box-shadow: var(--shadow-sm);
      outline: none;
    }

    .news-link strong {
      display: block;
      line-height: 1.38;
      font-size: 17px;
    }

    .news-link span {
      display: block;
      color: var(--muted);
      font-size: 13px;
      margin-top: 4px;
    }

    .news-link time {
      color: var(--weak);
      font-size: 13px;
      white-space: nowrap;
    }

    .recommend-box {
      padding: 24px;
      border-radius: 26px;
      background: linear-gradient(180deg, #f7faff, #fff);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

    .recommend-box h3 {
      font-size: 22px;
      margin-bottom: 10px;
    }

    .recommend-box p {
      color: var(--muted);
      margin-bottom: 16px;
    }

    .rating {
      display: flex;
      gap: 4px;
      margin-bottom: 14px;
      color: #f6a609;
      font-size: 18px;
      letter-spacing: 2px;
    }

    .quote {
      padding: 16px;
      border-radius: 18px;
      color: var(--muted);
      background: #fff;
      border: 1px solid var(--border);
      font-size: 14px;
    }

    .trust-wall {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
      margin-top: 18px;
    }

    .trust-logo {
      display: grid;
      place-items: center;
      min-height: 66px;
      padding: 12px;
      border-radius: 18px;
      color: var(--muted);
      background: #fff;
      border: 1px solid var(--border);
      font-weight: 900;
      text-align: center;
      font-size: 13px;
    }

    .privacy-section {
      background:
        radial-gradient(circle at 88% 20%, rgba(18, 182, 203, .11), transparent 30%),
        var(--bg);
    }

    .privacy-grid {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 24px;
      align-items: start;
    }

    .privacy-card {
      padding: 26px;
      border-radius: 26px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

    .privacy-card h3 {
      font-size: 22px;
      margin-bottom: 10px;
    }

    .privacy-card p {
      color: var(--muted);
    }

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

    .privacy-item {
      display: grid;
      grid-template-columns: 46px 1fr;
      gap: 14px;
      padding: 18px;
      border-radius: 22px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: 0 8px 20px rgba(17,42,84,.04);
    }

    .privacy-num {
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      font-weight: 950;
    }

    .privacy-item h3 {
      font-size: 18px;
      margin-bottom: 4px;
    }

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

    .faq-section {
      background: #fff;
    }

    .faq-layout {
      display: grid;
      grid-template-columns: .7fr 1.3fr;
      gap: 28px;
      align-items: start;
    }

    .faq-intro {
      padding: 26px;
      border-radius: 26px;
      background: var(--surface-2);
      border: 1px solid var(--border);
    }

    .faq-intro p {
      color: var(--muted);
      margin-top: 10px;
    }

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

    .faq-item {
      border-radius: 22px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: 0 8px 18px rgba(17,42,84,.04);
      overflow: hidden;
    }

    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 20px 22px;
      font-weight: 900;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

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

    .faq-item summary::after {
      content: "+";
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: var(--primary);
      background: var(--primary-soft);
      transition: transform .2s var(--ease);
    }

    .faq-item[open] summary::after {
      content: "−";
      transform: rotate(180deg);
    }

    .faq-item p {
      color: var(--muted);
      padding: 0 22px 20px;
      border-top: 1px solid rgba(223,232,246,.7);
      padding-top: 16px;
    }

    .final-cta {
      padding: 70px 0;
      background: linear-gradient(135deg, #0f2748, #155eef);
      color: #fff;
    }

    .cta-box {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: center;
    }

    .cta-box h2 {
      font-size: clamp(28px, 4.4vw, 46px);
      line-height: 1.15;
      letter-spacing: -.04em;
      margin-bottom: 12px;
    }

    .cta-box p {
      max-width: 760px;
      color: rgba(255,255,255,.82);
    }

    .site-footer {
      background: #071426;
      color: rgba(255,255,255,.82);
      padding: 48px 0 26px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr .9fr;
      gap: 28px;
      padding-bottom: 30px;
      border-bottom: 1px solid rgba(255,255,255,.12);
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
      color: #fff;
      font-weight: 950;
      font-size: 18px;
    }

    .footer-brand .brand-mark {
      box-shadow: none;
    }

    .footer-text {
      color: rgba(255,255,255,.64);
      max-width: 520px;
      font-size: 14px;
    }

    .footer-col h3 {
      color: #fff;
      font-size: 15px;
      margin-bottom: 12px;
    }

    .footer-links {
      display: grid;
      gap: 9px;
      list-style: none;
    }

    .footer-links a {
      color: rgba(255,255,255,.64);
      font-size: 14px;
    }

    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: #fff;
      outline: none;
    }

    .footer-bottom {
      padding-top: 22px;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      color: rgba(255,255,255,.52);
      font-size: 13px;
    }

    .fixed-bar {
      position: fixed;
      left: 50%;
      bottom: 18px;
      z-index: 70;
      transform: translateX(-50%);
      width: min(720px, calc(100% - 28px));
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 10px 12px 10px 16px;
      border-radius: 999px;
      background: rgba(255,255,255,.94);
      border: 1px solid var(--border);
      box-shadow: 0 16px 46px rgba(17,42,84,.16);
      backdrop-filter: blur(16px);
    }

    .fixed-bar span {
      color: var(--muted);
      font-size: 14px;
      font-weight: 800;
    }

    .fixed-bar .btn {
      min-height: 40px;
      padding: 9px 14px;
      font-size: 14px;
    }

    @media (max-width: 1024px) {
      :root {
        --nav-height: 70px;
      }

      .brand-name {
        max-width: 260px;
      }

      .hero-content,
      .channel-layout,
      .lead-panel,
      .privacy-grid,
      .faq-layout {
        grid-template-columns: 1fr;
      }

      .hero-visual {
        min-height: 380px;
      }

      .channel-aside {
        position: static;
      }

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

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

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

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

      .footer-grid .footer-col:first-child {
        grid-column: 1 / -1;
      }
    }

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

      .menu-toggle {
        display: inline-flex;
        width: 44px;
        height: 44px;
        align-items: center;
        justify-content: center;
        border-radius: 14px;
        background: #fff;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
      }

      .menu-toggle span,
      .menu-toggle::before,
      .menu-toggle::after {
        content: "";
        display: block;
        width: 18px;
        height: 2px;
        border-radius: 2px;
        background: var(--ink);
        position: absolute;
        transition: transform .2s var(--ease), opacity .2s var(--ease);
      }

      .menu-toggle {
        position: relative;
      }

      .menu-toggle::before {
        transform: translateY(-6px);
      }

      .menu-toggle::after {
        transform: translateY(6px);
      }

      .menu-checkbox:checked + .menu-toggle span {
        opacity: 0;
      }

      .menu-checkbox:checked + .menu-toggle::before {
        transform: rotate(45deg);
      }

      .menu-checkbox:checked + .menu-toggle::after {
        transform: rotate(-45deg);
      }

      .nav-main {
        position: fixed;
        left: 14px;
        right: 14px;
        top: calc(var(--nav-height) + 10px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        border-radius: 24px;
        background: rgba(255,255,255,.98);
        border: 1px solid var(--border);
        box-shadow: var(--shadow-md);
      }

      .menu-checkbox:checked ~ .nav-main {
        display: flex;
      }

      .nav-link,
      .nav-cta,
      .mega-trigger {
        width: 100%;
        justify-content: center;
      }

      .mega-panel {
        position: static;
        width: 100%;
        margin-top: 10px;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        display: none;
      }

      .mega:focus-within .mega-panel,
      .mega:hover .mega-panel {
        display: block;
      }

      .mega-grid,
      .channel-grid,
      .comparison-wrap,
      .lead-form {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 62px 0;
      }

      .hero {
        padding-top: 24px;
      }

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

      .hero-content {
        padding: 26px;
      }

      .hero-visual {
        min-height: 330px;
      }

      .burst {
        width: 96px;
        height: 96px;
        font-size: 13px;
      }

      .floating-note {
        position: relative;
        left: auto;
        bottom: auto;
        margin-top: 14px;
        max-width: none;
      }

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

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

      .news-link time {
        white-space: normal;
      }

      .cta-box {
        grid-template-columns: 1fr;
      }

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

      .fixed-bar {
        border-radius: 22px;
        align-items: stretch;
        flex-direction: column;
      }

      .fixed-bar .btn {
        width: 100%;
      }
    }

    @media (max-width: 520px) {
      .brand-name {
        max-width: 190px;
        font-size: 15px;
      }

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

      .hero h1 {
        font-size: 34px;
      }

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

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

      .stage-card {
        padding: 16px;
        border-radius: 24px;
      }

      .route-item {
        grid-template-columns: 38px 1fr;
      }

      .route-status {
        display: none;
      }

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

      .feature-card,
      .privacy-card,
      .recommend-box,
      .faq-intro {
        padding: 20px;
      }

      .lead-panel {
        padding: 16px;
        border-radius: 26px;
      }

      .lead-copy {
        padding: 20px;
      }

      .form-action .btn {
        width: 100%;
      }

      .hot-item {
        grid-template-columns: 34px 1fr;
      }

      .hot-item a {
        grid-column: 2;
      }

      .trust-wall {
        grid-template-columns: 1fr;
      }

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