:root {
  --bg: #07111f;
  --bg-soft: #0b1728;
  --card: #ffffff;
  --text: #132033;
  --muted: #64748b;
  --line: #e2e8f0;
  --primary: #0f766e;
  --primary-2: #06b6d4;
  --accent: #f59e0b;
  --shadow: 0 22px 70px rgba(15, 23, 42, .12);
  --radius: 22px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif; color: var(--text); background: #f8fafc; line-height: 1.75; }
a { color: inherit; text-decoration: none; }
.container { width: min(1140px, calc(100% - 32px)); margin: 0 auto; }
.nav { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.9); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(226,232,240,.85); }
.nav-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.logo { display: inline-flex; align-items: center; gap: 12px; font-weight: 900; letter-spacing: -.03em; font-size: 20px; }
.logo-img { width: 46px; height: 46px; object-fit: contain; border-radius: 13px; background: #fff; box-shadow: 0 10px 28px rgba(15,118,110,.16); padding: 3px; }
.menu { display: flex; align-items: center; gap: 22px; color: #475569; font-size: 15px; }
.menu a:hover { color: var(--primary); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: 999px; padding: 12px 20px; background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; font-weight: 800; box-shadow: 0 14px 30px rgba(15,118,110,.22); }
.btn.secondary { background: #fff; color: var(--primary); border: 1px solid rgba(15,118,110,.18); box-shadow: none; }
.hero { position: relative; overflow: hidden; background: radial-gradient(circle at 15% 20%, rgba(6,182,212,.30), transparent 28%), radial-gradient(circle at 86% 5%, rgba(245,158,11,.20), transparent 25%), linear-gradient(135deg, #07111f 0%, #0b1728 52%, #0f2f35 100%); color: #fff; padding: 92px 0 78px; }
.hero-grid { display: grid; grid-template-columns: 1.06fr .94fr; gap: 48px; align-items: center; }
.badge { display: inline-flex; gap: 8px; align-items: center; padding: 8px 14px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; background: rgba(255,255,255,.08); color: #d7fffb; font-weight: 700; font-size: 14px; }
h1 { margin: 20px 0 18px; font-size: clamp(42px, 7vw, 76px); line-height: 1.02; letter-spacing: -.06em; }
.hero p { color: #cbd5e1; font-size: 18px; max-width: 650px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.panel { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); border-radius: 30px; padding: 24px; box-shadow: 0 30px 90px rgba(0,0,0,.28); }
.panel-card { background: #fff; color: var(--text); border-radius: 24px; padding: 22px; margin-bottom: 14px; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.stat { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 18px; padding: 16px; }
.stat strong { display:block; font-size: 24px; color: var(--primary); }
.section { padding: 72px 0; }
.section-title { max-width: 760px; margin-bottom: 34px; }
h2 { font-size: clamp(30px, 4vw, 46px); line-height: 1.15; margin: 0 0 14px; letter-spacing: -.04em; }
.lead { color: var(--muted); font-size: 17px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.card h3 { margin: 0 0 10px; font-size: 20px; }
.card p, .card li { color: var(--muted); }
.icon { width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; background: #ccfbf1; color: var(--primary); font-weight: 900; margin-bottom: 14px; }
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.price-card.featured { border: 2px solid var(--primary); transform: translateY(-8px); }
.price { font-size: 38px; font-weight: 900; color: #0f172a; margin: 14px 0; }
.price small { font-size: 15px; color: var(--muted); font-weight: 600; }
ul.clean { padding-left: 0; list-style: none; }
ul.clean li { margin: 9px 0; padding-left: 24px; position: relative; }
ul.clean li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 900; }
.notice { background: #fffbeb; border: 1px solid #fde68a; color: #92400e; border-radius: var(--radius); padding: 20px 24px; }
.code { background: #0f172a; color: #d1fae5; border-radius: 18px; padding: 18px; overflow-x: auto; font-family: Consolas, Monaco, monospace; font-size: 14px; }
.footer { background: #07111f; color: #94a3b8; padding: 34px 0; }
.footer a { color: #d9fffb; margin-right: 14px; }
.footer-row { display:flex; align-items:center; justify-content:space-between; gap:18px; flex-wrap:wrap; }
.page-hero { background: linear-gradient(135deg, #07111f, #0f2f35); color:#fff; padding: 58px 0; }
.page-hero h1 { font-size: clamp(34px, 5vw, 54px); }
@media (max-width: 860px) { .hero-grid, .grid, .pricing { grid-template-columns: 1fr; } .menu { display: none; } .stat-row { grid-template-columns: 1fr; } .price-card.featured { transform: none; } }