/* roulang page: index */
:root {
      --bg-0: #070B16;
      --bg-1: #0B1730;
      --bg-2: #102044;
      --primary: #1E6BFF;
      --primary-2: #0A3D91;
      --cyan: #3CE0FF;
      --text: #E8F1FF;
      --text-dim: #93A4C7;
      --line: rgba(60, 224, 255, 0.18);
      --line-strong: rgba(60, 224, 255, 0.35);
      --glass: linear-gradient(180deg, rgba(20, 36, 72, 0.55), rgba(10, 18, 40, 0.40));
      --radius: 16px;
      --radius-lg: 20px;
      --pill: 999px;
      --shadow: 0 12px 40px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.04);
      --glow: 0 0 0 1px rgba(60, 224, 255, 0.35), 0 0 24px rgba(30, 107, 255, 0.45);
      --space: 24px;
      --container: 1240px;
      --header-h: 118px;
      --ease: cubic-bezier(0.22, 1, 0.36, 1);
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      background: var(--bg-0);
      color: var(--text);
      font-size: 16px;
      line-height: 1.75;
      min-height: 100vh;
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; border: 0; }
    a { color: inherit; text-decoration: none; }
    button, input, textarea, select { font-family: inherit; color: inherit; }
    button { cursor: pointer; border: 0; background: none; }
    ul, ol { margin: 0; padding: 0; list-style: none; }
    h1, h2, h3, h4, p { margin: 0; }
    :focus { outline: none; }
    :focus-visible {
      outline: 2px solid var(--cyan);
      outline-offset: 3px;
    }
    ::selection { background: rgba(60, 224, 255, 0.28); color: #fff; }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 0;
      background:
        radial-gradient(900px 520px at 8% -10%, rgba(60, 224, 255, 0.16), transparent 60%),
        radial-gradient(800px 480px at 100% 12%, rgba(30, 107, 255, 0.18), transparent 62%),
        linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
      background-size: auto, auto, 32px 32px, 32px 32px;
    }
    .container {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 80;
      backdrop-filter: blur(18px);
      background: rgba(7, 11, 22, 0.78);
      border-bottom: 1px solid rgba(60, 224, 255, 0.12);
      transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
    }
    .site-header.is-compact {
      background: rgba(7, 11, 22, 0.92);
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
    }
    .nav-upper, .nav-lower {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }
    .nav-upper { min-height: 64px; padding: 8px 0 4px; gap: 16px; }
    .nav-lower { min-height: 48px; padding: 0 0 8px; gap: 8px; }
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 18px;
      letter-spacing: 0.02em;
      color: var(--text);
      min-height: 44px;
    }
    .logo-mark {
      width: 32px;
      height: 32px;
      border-radius: 9px;
      background: linear-gradient(135deg, var(--primary), var(--cyan));
      box-shadow: 0 0 18px rgba(60, 224, 255, 0.35);
      position: relative;
      flex: 0 0 32px;
    }
    .logo-mark::before, .logo-mark::after {
      content: "";
      position: absolute;
      left: 8px;
      right: 8px;
      height: 3px;
      border-radius: 2px;
      background: #06101f;
    }
    .logo-mark::before { top: 9px; width: 10px; }
    .logo-mark::after { top: 16px; }
    .nav-contact { display: flex; align-items: center; gap: 10px; }
    .nav-text {
      display: inline-flex;
      align-items: center;
      min-height: 44px;
      padding: 0 12px;
      color: var(--text-dim);
      font-size: 13px;
      border-radius: 10px;
      border: 1px solid transparent;
      transition: color 0.2s, border-color 0.2s, background 0.2s;
    }
    .nav-text:hover { color: var(--text); border-color: var(--line); background: rgba(16, 32, 68, 0.6); }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      width: 100%;
      justify-content: space-between;
    }
    .nav-links a {
      position: relative;
      min-height: 44px;
      display: inline-flex;
      align-items: center;
      padding: 0 12px;
      font-size: 14px;
      color: var(--text-dim);
      border-radius: 10px;
      transition: color 0.2s, background 0.2s;
    }
    .nav-links a:hover { color: var(--text); background: rgba(30, 107, 255, 0.12); }
    .nav-links a.is-active {
      color: var(--text);
    }
    .nav-links a.is-active::after {
      content: "";
      position: absolute;
      left: 12px;
      right: 12px;
      bottom: 6px;
      height: 2px;
      border-radius: 2px;
      background: var(--cyan);
      box-shadow: 0 0 10px var(--cyan);
    }
    .site-header.is-compact .nav-upper { min-height: 58px; padding: 6px 0; }
    .site-header.is-compact .nav-contact .nav-text { display: none; }
    .site-header.is-compact .nav-lower { padding-bottom: 6px; }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 22px;
      border-radius: var(--pill);
      font-size: 14px;
      font-weight: 700;
      letter-spacing: 0.02em;
      transition: transform 0.2s var(--ease), box-shadow 0.2s, filter 0.2s, background 0.2s, color 0.2s;
      white-space: nowrap;
    }
    .btn:hover { transform: translateY(-1px); }
    .btn:active { transform: translateY(0); }
    .btn-glow {
      color: #061018;
      background: linear-gradient(12deg, var(--primary), var(--cyan));
      box-shadow: var(--glow);
    }
    .btn-glow:hover {
      filter: brightness(1.08);
      box-shadow: 0 0 0 1px rgba(60, 224, 255, 0.5), 0 0 32px rgba(30, 107, 255, 0.65);
    }
    .btn-ghost {
      color: var(--text);
      background: rgba(16, 32, 68, 0.45);
      border: 1px solid var(--line-strong);
      backdrop-filter: blur(12px);
    }
    .btn-ghost:hover { background: rgba(30, 107, 255, 0.18); box-shadow: 0 0 18px rgba(60, 224, 255, 0.18); }
    .btn-block { width: 100%; }
    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 12px;
      border: 1px solid var(--line);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }
    .nav-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      background: var(--text);
      border-radius: 2px;
    }
    .drawer {
      position: fixed;
      inset: 0;
      z-index: 90;
      background: rgba(5, 8, 16, 0.55);
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.25s;
    }
    .drawer.is-open { opacity: 1; pointer-events: auto; }
    .drawer-panel {
      position: absolute;
      top: 0;
      right: 0;
      width: min(86vw, 360px);
      height: 100%;
      background: linear-gradient(180deg, rgba(11, 23, 48, 0.96), rgba(7, 11, 22, 0.98));
      backdrop-filter: blur(18px);
      border-left: 1px solid var(--line);
      padding: 24px 20px 32px;
      transform: translateX(24px);
      transition: transform 0.25s var(--ease);
      overflow: auto;
    }
    .drawer.is-open .drawer-panel { transform: translateX(0); }
    .drawer-panel a, .drawer-panel .btn {
      display: flex;
      width: 100%;
      min-height: 48px;
      align-items: center;
      margin-bottom: 6px;
    }
    .drawer-close {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      border: 1px solid var(--line);
      margin-left: auto;
      margin-bottom: 18px;
      color: var(--text);
    }
    main { position: relative; z-index: 1; }
    section { position: relative; }
    .section {
      padding: 108px 0;
    }
    .section-alt { background: linear-gradient(180deg, rgba(11, 23, 48, 0.55), rgba(7, 11, 22, 0)); }
    .section-head { margin-bottom: 36px; max-width: 780px; }
    .section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
    .kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 28px;
      padding: 0 12px;
      border-radius: var(--pill);
      border: 1px solid var(--line);
      background: rgba(16, 32, 68, 0.55);
      color: var(--cyan);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.08em;
      margin-bottom: 14px;
    }
    h2 {
      font-size: 32px;
      line-height: 1.25;
      font-weight: 800;
      letter-spacing: 0.01em;
    }
    h3 { font-size: 20px; line-height: 1.35; font-weight: 700; }
    .section-desc {
      margin-top: 14px;
      color: var(--text-dim);
      font-size: 15px;
      line-height: 1.8;
    }
    .hero {
      min-height: calc(100vh - var(--header-h));
      padding: 36px 0 72px;
      display: flex;
      align-items: center;
      overflow: hidden;
    }
    .hero-bgs, .hero-bg { position: absolute; inset: 0; }
    .hero-bg {
      background-size: cover;
      background-position: center;
      opacity: 0;
      transform: scale(1.04);
      transition: opacity 0.7s var(--ease), transform 6s linear;
    }
    .hero-bg.is-on { opacity: 1; transform: scale(1); }
    .hero-bg::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, rgba(7, 11, 22, 0.62) 0%, rgba(7, 11, 22, 0.82) 48%, rgba(7, 11, 22, 0.96) 100%),
        linear-gradient(90deg, rgba(7, 11, 22, 0.45), transparent 30%, transparent 70%, rgba(7, 11, 22, 0.5));
    }
    .scanline {
      position: absolute;
      inset: 0;
      pointer-events: none;
      background: repeating-linear-gradient(180deg, transparent 0 2px, rgba(60, 224, 255, 0.03) 2px 3px);
      opacity: 0.35;
    }
    .status-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 22px;
    }
    .status-chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 34px;
      padding: 0 12px;
      border-radius: var(--pill);
      background: rgba(10, 18, 40, 0.7);
      border: 1px solid var(--line);
      font-size: 12px;
      color: var(--text-dim);
    }
    .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #3CFF9E;
      box-shadow: 0 0 10px #3CFF9E;
    }
    .dot.warn { background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
    .brand-kicker {
      font-size: 14px;
      font-weight: 700;
      color: var(--cyan);
      margin-bottom: 10px;
      letter-spacing: 0.12em;
    }
    .hero h1, .hero-heading {
      font-size: 46px;
      line-height: 1.18;
      font-weight: 800;
      max-width: 18em;
      min-height: 2.4em;
    }
    .hero-lead {
      max-width: 760px;
      margin-top: 18px;
      color: var(--text-dim);
      font-size: 16px;
      line-height: 1.85;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin: 28px 0 32px;
    }
    .icon-matrix {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 12px;
      margin-top: 8px;
    }
    .icon-item {
      background: var(--glass);
      backdrop-filter: blur(16px);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 16px 12px;
      text-align: center;
      min-height: 108px;
      transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
    }
    .icon-item:hover {
      transform: translateY(-3px);
      border-color: var(--line-strong);
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(60, 224, 255, 0.12);
    }
    .icon-glyph {
      width: 36px;
      height: 36px;
      margin: 0 auto 10px;
      border-radius: 10px;
      border: 1px solid var(--line-strong);
      display: grid;
      place-items: center;
      color: var(--cyan);
    }
    .icon-item span { display: block; font-size: 13px; font-weight: 600; }
    .hero-trust {
      margin-top: 22px;
      color: var(--text-dim);
      font-size: 13px;
    }
    .hero-nav {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-top: 28px;
    }
    .hero-arrow {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      border: 1px solid var(--line);
      color: var(--text);
      background: rgba(16, 32, 68, 0.5);
    }
    .hero-arrow:hover { border-color: var(--cyan); color: var(--cyan); }
    .dots { display: flex; gap: 8px; }
    .dots button {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: rgba(232, 241, 255, 0.25);
    }
    .dots button.is-on {
      background: var(--cyan);
      box-shadow: 0 0 12px var(--cyan);
      width: 22px;
      border-radius: 8px;
    }
    .glass {
      background: var(--glass);
      backdrop-filter: blur(16px);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }
    .intro-grid {
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      gap: 48px;
      align-items: center;
    }
    .intro-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      min-height: 420px;
      transform: translateY(18px);
    }
    .intro-visual img { width: 100%; height: 520px; object-fit: cover; }
    .intro-visual::after {
      content: "智能投放";
      position: absolute;
      left: 16px;
      top: 16px;
      padding: 6px 12px;
      border-radius: var(--pill);
      background: rgba(7, 11, 22, 0.72);
      border: 1px solid var(--line);
      color: var(--cyan);
      font-size: 12px;
      font-weight: 700;
    }
    .verify-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      margin-top: 24px;
    }
    .verify-item {
      padding: 14px;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: rgba(16, 32, 68, 0.45);
    }
    .verify-item b { display: block; color: var(--cyan); font-size: 18px; }
    .verify-item span { color: var(--text-dim); font-size: 12px; }
    .check-list { margin-top: 18px; display: grid; gap: 10px; }
    .check-list li {
      padding-left: 22px;
      position: relative;
      color: var(--text-dim);
      font-size: 15px;
    }
    .check-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 10px;
      width: 8px;
      height: 8px;
      border-radius: 2px;
      background: var(--cyan);
      box-shadow: 0 0 8px var(--cyan);
    }
    .feature-matrix {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr 1fr;
      grid-template-rows: auto auto;
      gap: 16px;
    }
    .feature-group {
      padding: 24px;
      min-height: 240px;
    }
    .feature-group:nth-child(1) { grid-column: 1 / 3; }
    .feature-group:nth-child(4) { grid-column: 2 / 4; }
    .feature-group h3 { margin-bottom: 12px; }
    .feature-group ul { display: grid; gap: 8px; }
    .feature-group li {
      color: var(--text-dim);
      font-size: 14px;
      padding: 8px 10px;
      border-radius: 10px;
      background: rgba(7, 11, 22, 0.35);
      border: 1px solid rgba(60, 224, 255, 0.08);
    }
    .adv-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }
    .adv-card {
      padding: 24px;
      min-height: 210px;
      transition: transform 0.2s, border-color 0.2s;
    }
    .adv-card:hover { transform: translateY(-4px); border-color: var(--line-strong); }
    .adv-card--wide { grid-column: span 2; display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 18px; align-items: center; }
    .adv-metric { font-size: 28px; color: var(--cyan); font-weight: 800; margin: 12px 0 8px; font-variant-numeric: tabular-nums; }
    .adv-card p { color: var(--text-dim); font-size: 14px; }
    .spark {
      height: 64px;
      border-radius: 12px;
      background:
        linear-gradient(180deg, transparent 0 30%, rgba(60, 224, 255, 0.08)),
        repeating-linear-gradient(90deg, transparent 0 18px, rgba(60, 224, 255, 0.35) 18px 20px);
      position: relative;
      overflow: hidden;
    }
    .spark::after {
      content: "";
      position: absolute;
      left: 0; right: 0; bottom: 12px;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    }
    .scene-tabs {
      display: flex;
      gap: 8px;
      overflow-x: auto;
      padding-bottom: 8px;
      margin-bottom: 18px;
      scrollbar-width: thin;
    }
    .scene-tabs button {
      min-height: 44px;
      padding: 0 18px;
      border-radius: var(--pill);
      border: 1px solid var(--line);
      color: var(--text-dim);
      background: rgba(16, 32, 68, 0.4);
      white-space: nowrap;
      font-weight: 600;
    }
    .scene-tabs button.is-on, .scene-tabs button:hover {
      color: #061018;
      background: linear-gradient(12deg, var(--primary), var(--cyan));
      box-shadow: var(--glow);
      border-color: transparent;
    }
    .scene-panel { display: none; padding: 28px; }
    .scene-panel.is-on { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 28px; align-items: center; }
    .scene-panel p { color: var(--text-dim); margin-top: 10px; }
    .scene-points { display: grid; gap: 10px; }
    .scene-points li {
      padding: 12px 14px;
      border-radius: 12px;
      background: rgba(7, 11, 22, 0.4);
      border: 1px solid var(--line);
      font-size: 14px;
    }
    .module-grid {
      display: grid;
      grid-template-columns: 1.25fr 1fr 1fr;
      gap: 18px;
    }
    .module-card { overflow: hidden; display: flex; flex-direction: column; }
    .module-card img { width: 100%; height: 190px; object-fit: cover; }
    .module-card--lg img { height: 260px; }
    .module-body { padding: 20px 20px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .module-body p { color: var(--text-dim); font-size: 14px; }
    .module-body .btn { margin-top: auto; align-self: flex-start; }
    .demo-stage { padding: 18px; }
    .os-chrome {
      border-radius: 14px;
      overflow: hidden;
      border: 1px solid var(--line);
      background: #0a1224;
    }
    .os-bar {
      height: 42px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 14px;
      background: #121c33;
      border-bottom: 1px solid var(--line);
      color: var(--text-dim);
      font-size: 12px;
    }
    .os-dots { display: flex; gap: 6px; }
    .os-dots i { width: 10px; height: 10px; border-radius: 50%; display: block; background: #3d4d73; }
    .os-dots i:first-child { background: #ff6b8a; }
    .screen {
      min-height: 430px;
      background-size: cover;
      background-position: center;
      position: relative;
    }
    .screen::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(7, 11, 22, 0.55), rgba(7, 11, 22, 0.82));
    }
    .screen-ui {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 180px 1fr 240px;
      gap: 12px;
      padding: 16px;
    }
    .fake-side, .fake-main, .fake-right {
      background: rgba(10, 18, 40, 0.72);
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 12px;
    }
    .fake-side li, .fake-right li {
      font-size: 12px;
      color: var(--text-dim);
      padding: 8px 8px;
      border-radius: 8px;
    }
    .fake-side li.is-on { background: rgba(30, 107, 255, 0.2); color: var(--text); }
    .kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 12px; }
    .kpi {
      padding: 10px;
      border-radius: 10px;
      background: rgba(7, 11, 22, 0.55);
      border: 1px solid rgba(60, 224, 255, 0.12);
    }
    .kpi b { display: block; font-size: 16px; color: var(--cyan); }
    .kpi span { font-size: 11px; color: var(--text-dim); }
    .bars { display: flex; align-items: flex-end; gap: 8px; height: 110px; margin: 8px 0 12px; }
    .bars span {
      flex: 1;
      border-radius: 6px 6px 0 0;
      background: linear-gradient(180deg, var(--cyan), var(--primary));
      opacity: 0.85;
    }
    .funnel {
      height: 120px;
      clip-path: polygon(8% 0, 92% 0, 70% 100%, 30% 100%);
      background: linear-gradient(180deg, rgba(60, 224, 255, 0.35), rgba(30, 107, 255, 0.12));
      border: 1px solid var(--line);
    }
    .steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      margin-top: 18px;
    }
    .steps li {
      padding: 14px;
      text-align: center;
      font-size: 13px;
      font-weight: 600;
    }
    .method {
      padding: 108px 0;
      background:
        radial-gradient(700px 280px at 80% 20%, rgba(30, 107, 255, 0.2), transparent 60%),
        linear-gradient(180deg, #07101f, #0a1730 40%, #070b16);
      border-block: 1px solid var(--line);
    }
    .method-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
    }
    .case-slice {
      padding: 24px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .metric-box {
      padding: 16px;
      border-radius: 12px;
      background: rgba(7, 11, 22, 0.45);
      border: 1px solid var(--line);
    }
    .metric-box b { display: block; font-size: 22px; color: var(--cyan); }
    .metric-box span { color: var(--text-dim); font-size: 13px; }
    .timeline { display: grid; gap: 18px; position: relative; }
    .timeline::before {
      content: "";
      position: absolute;
      left: 18px;
      top: 10px;
      bottom: 10px;
      width: 2px;
      background: linear-gradient(180deg, var(--cyan), transparent);
    }
    .case-card {
      margin-left: 48px;
      padding: 0;
      overflow: hidden;
      display: grid;
      grid-template-columns: 220px 1fr;
    }
    .case-card img { width: 100%; height: 100%; object-fit: cover; min-height: 180px; }
    .case-body { padding: 20px 22px; }
    .case-body p { color: var(--text-dim); font-size: 14px; margin: 8px 0 12px; }
    .delta { display: flex; flex-wrap: wrap; gap: 8px; }
    .delta span {
      font-size: 12px;
      padding: 6px 10px;
      border-radius: var(--pill);
      background: rgba(60, 224, 255, 0.1);
      border: 1px solid var(--line);
      color: var(--cyan);
    }
    .story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
    .story-card { padding: 24px; }
    .story-top { display: flex; gap: 14px; align-items: center; margin-bottom: 14px; }
    .avatar {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      object-fit: cover;
      border: 1px solid var(--line-strong);
    }
    .path {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }
    .path span {
      font-size: 12px;
      padding: 6px 10px;
      border-radius: 8px;
      background: rgba(16, 32, 68, 0.7);
      border: 1px solid var(--line);
    }
    .story-card p { color: var(--text-dim); font-size: 14px; }
    .stat-bar {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 12px;
      padding: 22px;
    }
    .stat-item { text-align: center; padding: 12px 6px; }
    .stat-item b {
      display: block;
      font-size: 32px;
      font-weight: 800;
      color: var(--cyan);
      font-variant-numeric: tabular-nums;
    }
    .stat-item span { color: var(--text-dim); font-size: 13px; }
    .price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      align-items: stretch;
    }
    .price-card { padding: 28px 24px; display: flex; flex-direction: column; gap: 10px; }
    .price-card.is-featured {
      transform: scale(1.04);
      border-color: var(--cyan);
      box-shadow: var(--glow), var(--shadow);
      z-index: 2;
    }
    .price { font-size: 36px; font-weight: 800; }
    .price small { font-size: 14px; color: var(--text-dim); font-weight: 500; }
    .price-card ul { margin: 8px 0 16px; display: grid; gap: 8px; }
    .price-card li {
      font-size: 14px;
      color: var(--text-dim);
      padding-left: 22px;
      position: relative;
    }
    .price-card li::before {
      content: "✓";
      position: absolute;
      left: 0;
      color: var(--cyan);
      font-weight: 700;
    }
    .review-wall {
      columns: 4;
      column-gap: 14px;
    }
    .review-card {
      break-inside: avoid;
      margin-bottom: 14px;
      padding: 16px;
    }
    .stars { color: var(--cyan); letter-spacing: 2px; font-size: 12px; margin-bottom: 8px; }
    .review-card p { font-size: 13px; color: var(--text); line-height: 1.7; }
    .review-meta { margin-top: 10px; font-size: 12px; color: var(--text-dim); }
    .quote-list { display: grid; gap: 18px; }
    .quote {
      padding: 28px 32px;
      border-left: 3px solid var(--cyan);
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      align-items: start;
    }
    .quote p { font-size: 18px; line-height: 1.7; }
    .quote-who { color: var(--text-dim); font-size: 13px; margin-top: 12px; }
    .logo-word {
      font-weight: 800;
      letter-spacing: 0.08em;
      color: rgba(232, 241, 255, 0.55);
      font-size: 14px;
    }
    .news-layout {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr;
      gap: 18px;
    }
    .news-list { display: grid; gap: 14px; }
    .news-item {
      display: grid;
      grid-template-columns: 168px 1fr;
      overflow: hidden;
    }
    .news-item img { width: 100%; height: 120px; object-fit: cover; }
    .news-item div { padding: 14px 16px; }
    .news-item time { color: var(--text-dim); font-size: 12px; }
    .news-item p { color: var(--text-dim); font-size: 13px; margin-top: 6px; }
    .hot-list { padding: 20px; }
    .hot-list ol { display: grid; gap: 10px; margin-top: 12px; }
    .hot-list li {
      display: grid;
      grid-template-columns: 28px 1fr;
      gap: 8px;
      align-items: start;
      font-size: 14px;
      padding: 10px 0;
      border-bottom: 1px solid rgba(60, 224, 255, 0.1);
    }
    .rank {
      width: 24px;
      height: 24px;
      border-radius: 6px;
      display: grid;
      place-items: center;
      background: rgba(30, 107, 255, 0.25);
      color: var(--cyan);
      font-size: 12px;
      font-weight: 800;
    }
    .faq-list { display: grid; gap: 10px; }
    .faq-item { overflow: hidden; }
    .faq-item button {
      width: 100%;
      text-align: left;
      min-height: 56px;
      padding: 14px 20px;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      font-weight: 700;
      font-size: 16px;
    }
    .faq-item .faq-body {
      display: none;
      padding: 0 20px 18px;
      color: var(--text-dim);
      font-size: 15px;
      background: rgba(7, 11, 22, 0.35);
    }
    .faq-item.is-open .faq-body { display: block; }
    .faq-item.is-open { border-color: var(--line-strong); }
    .plus { color: var(--cyan); font-size: 20px; }
    .cta-band { padding: 88px 0; }
    .cta-box {
      padding: 36px;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 32px;
      align-items: start;
    }
    .form { display: grid; gap: 12px; }
    .form label { font-size: 13px; color: var(--text-dim); }
    .form input, .form textarea {
      width: 100%;
      min-height: 46px;
      border-radius: 12px;
      border: 1px solid var(--line);
      background: rgba(7, 11, 22, 0.55);
      padding: 10px 14px;
    }
    .form textarea { min-height: 96px; resize: vertical; }
    .form input:focus, .form textarea:focus {
      border-color: var(--cyan);
      box-shadow: 0 0 0 3px rgba(60, 224, 255, 0.18);
      outline: none;
    }
    .form-ok {
      display: none;
      padding: 18px;
      border-radius: 12px;
      border: 1px solid var(--line-strong);
      color: var(--cyan);
      background: rgba(16, 32, 68, 0.6);
    }
    .form.is-ok .form-ok { display: block; }
    .form.is-ok .fields, .form.is-ok .btn { display: none; }
    .site-footer {
      background: #050814;
      border-top: 1px solid rgba(60, 224, 255, 0.22);
      padding: 56px 0 28px;
      position: relative;
      z-index: 1;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr 0.8fr 1fr 1fr;
      gap: 28px;
    }
    .site-footer h3 { font-size: 16px; margin-bottom: 12px; }
    .site-footer p, .site-footer a, .site-footer li { color: var(--text-dim); font-size: 14px; }
    .site-footer a:hover { color: var(--cyan); }
    .foot-copy {
      margin-top: 28px;
      padding-top: 18px;
      border-top: 1px solid rgba(60, 224, 255, 0.1);
      color: var(--text-dim);
      font-size: 13px;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }
    @media (max-width: 1280px) {
      h2 { font-size: 30px; }
      .hero h1, .hero-heading { font-size: 40px; }
      .module-grid { grid-template-columns: 1.15fr 1fr 1fr; }
    }
    @media (max-width: 1024px) {
      .section { padding: 84px 0; }
      .hero h1, .hero-heading { font-size: 34px; min-height: 2.5em; }
      .icon-matrix, .stat-bar, .verify-strip { grid-template-columns: repeat(3, 1fr); }
      .intro-grid, .method-grid, .news-layout, .cta-box, .story-grid, .scene-panel.is-on { grid-template-columns: 1fr; }
      .feature-matrix, .adv-grid, .module-grid, .price-grid, .footer-grid, .case-card, .screen-ui, .adv-card--wide, .quote {
        grid-template-columns: 1fr 1fr;
      }
      .feature-group:nth-child(1), .feature-group:nth-child(4), .adv-card--wide { grid-column: span 2; }
      .review-wall { columns: 3; }
      .nav-links a { padding: 0 8px; font-size: 13px; }
      .case-card { margin-left: 36px; }
    }
    @media (max-width: 768px) {
      .nav-toggle { display: inline-flex; }
      .nav-lower, .nav-contact .nav-text { display: none; }
      .nav-upper { min-height: 58px; }
      :root { --header-h: 58px; }
      .hero { padding-top: 24px; }
      .hero-arrow { display: none; }
      .hero h1, .hero-heading { font-size: 28px; }
      .icon-matrix, .steps, .kpi-row, .price-grid, .story-grid, .stat-bar, .verify-strip, .footer-grid, .feature-matrix, .adv-grid, .module-grid, .case-card, .screen-ui, .adv-card--wide, .quote, .news-item {
        grid-template-columns: 1fr;
      }
      .feature-group:nth-child(1), .feature-group:nth-child(4), .adv-card--wide { grid-column: auto; }
      .review-wall { columns: 2; }
      .price-card.is-featured { transform: none; }
      .intro-visual, .intro-visual img { min-height: 240px; height: 240px; }
      .section { padding: 64px 0; }
      .cta-box, .demo-stage, .hot-list, .price-card { padding: 20px; }
      .foot-copy { flex-direction: column; }
    }
    @media (max-width: 520px) {
      .container, .nav-upper, .nav-lower { width: min(100% - 24px, var(--container)); }
      .hero h1, .hero-heading { font-size: 24px; }
      h2 { font-size: 24px; }
      .icon-matrix { grid-template-columns: repeat(2, 1fr); }
      .review-wall { columns: 1; }
      .hero-actions .btn, .nav-contact .btn { padding: 0 16px; }
      .status-bar { gap: 6px; }
      .quote p { font-size: 16px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation: none !important; transition: none !important; }
    }