:root {
  --primary: #00c896;
  --primary-deep: #00a277;
  --secondary: #0a7cff;
  --bg-dark: #07111f;
  --bg-mid: #0d1728;
  --bg-light: #f4faf7;
  --text: #e8f0fb;
  --muted: rgba(232, 240, 251, 0.72);
  --line: rgba(255,255,255,.12);
  --card: rgba(255,255,255,.08);
  --shadow: 0 24px 70px rgba(2,10,23,.20);
  --light-text: #0f172a;
  --light-muted: #64748b;
  --light-line: rgba(15,23,42,.08);
  --light-card: rgba(255,255,255,.9);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255,255,255,.28), transparent 22%),
    radial-gradient(circle at top right, rgba(191,219,254,.30), transparent 24%),
    linear-gradient(180deg, #63c6ff 0%, #459fff 18%, #3a7ff2 34%, #eef7f2 34%, #f7fbff 100%);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(18px);
  background: linear-gradient(90deg, rgba(125,211,252,.96) 0%, rgba(96,165,250,.95) 44%, rgba(59,130,246,.93) 100%);
  border-bottom: 1px solid rgba(255,255,255,.26);
  box-shadow: 0 12px 30px rgba(56,189,248,.20);
}
.site-header-inner {
  min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-badge {
  width: 46px; height: 46px; border-radius: 16px;
  display: grid; place-items: center; color: #fff; font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border: 1px solid rgba(255,255,255,.24);
  box-shadow: 0 14px 32px rgba(10,124,255,.22);
}
.brand-copy strong { display:block; color:#fff; font-size:16px; line-height:1.2; }
.brand-copy span { display:block; margin-top:4px; font-size:12px; color:rgba(255,255,255,.82); letter-spacing:.08em; text-transform:uppercase; }
.nav { display:flex; align-items:center; gap:18px; flex-wrap:wrap; }
.nav a { color: rgba(255,255,255,.92); font-size:14px; font-weight:600; transition: background .2s ease, color .2s ease, transform .2s ease; }
.nav a:not(.nav-ghost):not(.nav-cta) { padding:10px 12px; border-radius:12px; }
.nav a:not(.nav-ghost):not(.nav-cta):hover { color:#fff; background: rgba(255,255,255,.14); }
.nav-cta, .btn-primary {
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  min-height:50px; padding:0 20px; border-radius:999px; color:#fff; font-weight:700;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: 0 18px 36px rgba(10,124,255,.18), inset 0 1px 0 rgba(255,255,255,.18);
}
.nav-ghost {
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  min-height:50px; padding:0 20px; border-radius:999px; font-weight:700;
  border: 1px solid rgba(255,255,255,.34); color:#fff; background: rgba(255,255,255,.14);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.18);
}
.btn-secondary {
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  min-height:50px; padding:0 20px; border-radius:999px; font-weight:700;
  border: 1px solid rgba(15,23,42,.08); color:#0f172a; background: rgba(255,255,255,.96);
  box-shadow: 0 14px 32px rgba(37,99,235,.12);
}
.page-hero { padding: 54px 0 76px; }
.hero-wrap {
  padding: 34px; border-radius: 32px; overflow:hidden; position:relative;
  background: linear-gradient(135deg, rgba(255,255,255,.22), rgba(255,255,255,.12));
  border:1px solid rgba(255,255,255,.18); box-shadow: var(--shadow);
}
.hero-wrap::before {
  content:""; position:absolute; inset:0;
  background: radial-gradient(circle at top right, rgba(255,255,255,.18), transparent 24%), radial-gradient(circle at bottom left, rgba(10,124,255,.14), transparent 28%);
  pointer-events:none;
}
.hero-wrap > * { position:relative; z-index:1; }
.eyebrow {
  display:inline-flex; align-items:center; gap:10px; padding:8px 14px; border-radius:999px;
  background: rgba(59,130,246,.10); border: 1px solid rgba(59,130,246,.16); color:#1d4ed8;
  font-size:13px; letter-spacing:.16em; text-transform:uppercase;
}
.page-title {
  margin: 18px 0 0; font-size: clamp(34px, 5vw, 56px); line-height:1.08; letter-spacing:-.04em; font-weight:900; color:#0f172a;
}
.page-desc { margin: 18px 0 0; max-width: 760px; color: #334155; font-size: 17px; line-height: 1.9; }
.hero-actions { display:flex; flex-wrap:wrap; gap:14px; margin-top:28px; }
.stats-row { display:grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 30px; }
.stat-card { padding:18px; border-radius:20px; background:rgba(255,255,255,.76); border:1px solid rgba(148,163,184,.18); }
.stat-card strong { display:block; font-size:28px; font-weight:900; color:#0f172a; }
.stat-card span { display:block; margin-top:8px; font-size:13px; color:#475569; line-height:1.7; }
.section { padding: 0 0 78px; color: var(--light-text); }
.section .eyebrow { background: rgba(0,200,150,.08); border-color: rgba(0,200,150,.12); color: #0f766e; }
.section-title { margin:18px 0 0; font-size: clamp(28px, 4vw, 46px); line-height:1.12; letter-spacing:-.03em; font-weight:800; }
.section-desc { margin: 16px 0 0; max-width: 760px; color: #475569; font-size:16px; line-height:1.9; }
.grid-2, .grid-3, .grid-4 { display:grid; gap:22px; margin-top:32px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card {
  border-radius: 24px; background: var(--light-card); border:1px solid var(--light-line);
  box-shadow: 0 18px 48px rgba(15,23,42,.08); overflow:hidden;
}
.card-body { padding: 24px; }
.card h3 { margin:0; font-size:22px; line-height:1.3; }
.card p { margin: 14px 0 0; color: var(--light-muted); font-size:15px; line-height:1.85; }
.kv-list { display:grid; gap:12px; margin-top:16px; }
.kv-item { padding:14px 16px; border-radius:18px; background: rgba(15,23,42,.03); border:1px solid rgba(15,23,42,.06); }
.kv-item strong { display:block; font-size:15px; color: var(--light-text); }
.kv-item span { display:block; margin-top:8px; font-size:14px; color: var(--light-muted); line-height:1.75; }
.media-cover { height: 220px; overflow:hidden; position:relative; }
.media-cover img { width:100%; height:100%; object-fit:cover; }
.media-cover::after { content:""; position:absolute; inset:0; background: linear-gradient(180deg, rgba(15,23,42,.08), rgba(15,23,42,.46)); }
.media-badge { position:absolute; left:18px; top:18px; z-index:1; padding:8px 12px; border-radius:999px; background:rgba(15,23,42,.6); color:#fff; font-size:12px; }
.list-check { display:grid; gap:10px; margin-top:16px; }
.list-check div { display:flex; align-items:flex-start; gap:10px; color:#334155; font-size:14px; line-height:1.8; }
.list-check b { display:inline-grid; place-items:center; width:22px; height:22px; border-radius:999px; background:rgba(0,200,150,.1); color:var(--primary-deep); font-size:12px; flex:0 0 auto; }
.timeline { display:grid; gap:18px; margin-top:28px; }
.timeline-item { display:grid; grid-template-columns: 110px 1fr; gap:18px; align-items:flex-start; }
.timeline-date { padding:10px 12px; border-radius:999px; background: rgba(124,58,237,.08); color:#7c3aed; font-size:13px; font-weight:700; text-align:center; }
.timeline-content { padding:18px 20px; border-radius:20px; background:#fff; border:1px solid rgba(15,23,42,.08); }
.timeline-content strong { display:block; font-size:18px; color:var(--light-text); }
.timeline-content p { margin:10px 0 0; color:var(--light-muted); font-size:14px; line-height:1.8; }
.cta-panel {
  padding:30px; border-radius:32px;
  background: linear-gradient(135deg, #0a1324, #10213b 58%, #0d1728 100%);
  color:#fff; box-shadow: var(--shadow);
}
.cta-panel h2 { margin:0; font-size: clamp(28px, 4vw, 42px); line-height:1.16; }
.cta-panel p { margin:14px 0 0; max-width:720px; color: rgba(232,240,251,.78); font-size:16px; line-height:1.9; }
.form-grid { display:grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap:16px; margin-top:24px; }
.field { display:grid; gap:8px; }
.field label { font-size:14px; font-weight:700; color:#0f172a; }
.field input, .field select, .field textarea {
  width:100%; padding:14px 16px; border-radius:16px; border:1px solid rgba(15,23,42,.1);
  background:#fff; font-size:15px; color:#0f172a; outline:none; transition: border-color .2s ease, box-shadow .2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: rgba(10,124,255,.45); box-shadow: 0 0 0 4px rgba(10,124,255,.08); }
.field textarea { min-height: 132px; resize: vertical; }
.field.full { grid-column: 1 / -1; }
.submit-row { display:flex; gap:14px; align-items:center; flex-wrap:wrap; margin-top:18px; }
.form-note { color:#64748b; font-size:13px; line-height:1.8; }
.form-status { margin-top:14px; font-size:14px; line-height:1.8; }
.form-status.success { color:#047857; }
.form-status.error { color:#dc2626; }
.site-footer {
  position: relative;
  padding: 40px 0 56px;
  color: #eaf4ff;
  background: linear-gradient(180deg, #153a74 0%, #0b1f47 100%);
  border-top: 1px solid rgba(255,255,255,.08);
}
.site-footer::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.36), transparent);
}
.footer-wrap {
  padding: 28px 28px 24px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.05));
  box-shadow: 0 18px 42px rgba(7,17,31,.18);
  display:grid;
  grid-template-columns: 1.1fr .9fr .9fr;
  gap:20px;
}
.footer-title { margin-bottom:12px; color:#fff; font-size:18px; font-weight:700; }
.footer-copy, .footer-links a, .footer-item { color: rgba(244,249,255,.92); font-size:14px; line-height:1.9; }
.footer-links { display:grid; gap:8px; }
.footer-links a { transition: color .2s ease, transform .2s ease; }
.footer-links a:hover { color:#fff; transform: translateX(2px); }
.copyright {
  margin-top:16px;
  padding:14px 18px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:18px;
  background: rgba(255,255,255,.06);
  color: rgba(240,248,255,.78);
  font-size:13px;
}
@media (max-width: 1100px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-wrap { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .container { width: min(var(--container), calc(100% - 24px)); }
  .site-header-inner { min-height:auto; padding:14px 0; flex-direction:column; align-items:flex-start; }
  .nav { gap:12px; }
  .page-hero { padding: 42px 0 58px; }
  .hero-wrap { padding:22px; }
  .stats-row, .grid-2, .grid-3, .grid-4, .form-grid, .footer-wrap { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; }
  .timeline-date { width: fit-content; }
}