:root{
  --bg:#f5f7fb;
  --card:#ffffff;
  --text:#102033;
  --muted:#5f6f82;
  --line:#dbe3ee;
  --brand:#0f2747;
  --brand-2:#1d4d8f;
  --accent:#caa86a;
  --soft:#eef3f9;
  --shadow:0 12px 30px rgba(16,32,51,.08);
  --radius:18px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.7}
a{text-decoration:none;color:inherit}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
header{position:sticky;top:0;z-index:30;backdrop-filter:blur(12px);background:rgba(255,255,255,.9);border-bottom:1px solid rgba(219,227,238,.8)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:18px}
.brand{font-weight:800;font-size:22px;color:var(--brand);letter-spacing:.3px}
.brand small{display:block;font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.2px;margin-top:2px}
nav{display:flex;flex-wrap:wrap;gap:14px 18px;justify-content:flex-end}
nav a{color:var(--text);font-size:14px;font-weight:600}
nav a:hover,nav a.active{color:var(--brand-2)}
.hero{background:radial-gradient(circle at top right, rgba(202,168,106,.22), transparent 35%),linear-gradient(135deg, #0d213e 0%, #17365f 55%, #1f4f8d 100%);color:#fff;padding:78px 0 60px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}
.hero-simple{padding:72px 0 54px}
.tag{display:inline-block;padding:8px 12px;border:1px solid rgba(255,255,255,.2);border-radius:999px;font-size:13px;color:#f8f9fb;background:rgba(255,255,255,.08);margin-bottom:18px}
h1{font-size:48px;line-height:1.15;margin:0 0 16px;font-weight:900;letter-spacing:.2px}
.hero p{font-size:18px;color:rgba(255,255,255,.92);margin:0 0 28px;max-width:760px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 18px;border-radius:12px;font-weight:800;font-size:15px;transition:.18s ease;border:1px solid transparent}
.btn-primary{background:#fff;color:var(--brand)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-secondary{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.2)}
.btn-secondary:hover{background:rgba(255,255,255,.14)}
.hero-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:24px;padding:22px;box-shadow:0 14px 38px rgba(0,0,0,.14)}
.hero-card h3{margin:0 0 12px;font-size:18px}.hero-card ul{margin:0;padding-left:18px;color:#eef4fb;font-size:15px}
.section{padding:62px 0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}
h2{margin:0;font-size:32px;line-height:1.2;color:var(--brand)}
.lead{margin:0;color:var(--muted);max-width:860px}
.cards-4,.cards-3,.cards-5,.cards-2{display:grid;gap:18px}
.cards-4{grid-template-columns:repeat(4,1fr)}.cards-3{grid-template-columns:repeat(3,1fr)}.cards-5{grid-template-columns:repeat(5,1fr)}.cards-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card h3,.card h4{margin:0 0 10px;color:var(--brand)}.card p{margin:0;color:var(--muted);font-size:15px}
.asset-title,.eyebrow-small{font-size:13px;color:var(--accent);font-weight:900;letter-spacing:.7px;text-transform:uppercase;margin-bottom:8px}
.number{width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:var(--soft);color:var(--brand);font-weight:900;margin-bottom:12px}
.model{background:linear-gradient(180deg,#ffffff 0%,#f8fbff 100%);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow)}
.model-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:center;text-align:center}
.model-step{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 16px;min-height:136px;display:flex;flex-direction:column;justify-content:center}
.model-step strong{font-size:20px;color:var(--brand)}
.arrow{text-align:center;color:var(--brand-2);font-weight:900;font-size:26px}
.hub{background:var(--brand);color:#fff;border-radius:24px;padding:28px;box-shadow:var(--shadow)}
.hub h2{color:#fff}.hub .lead{color:rgba(255,255,255,.82)}
.hub .mini{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:18px}
.hub .mini h4{margin:0 0 8px;color:#fff}.hub .mini p{margin:0;color:rgba(255,255,255,.86)}
.route{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.route .stage{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow)}
.route .stage span{display:inline-block;margin-bottom:10px;font-size:12px;font-weight:900;color:var(--accent);letter-spacing:.7px;text-transform:uppercase}
.cta{background:linear-gradient(135deg, #102744 0%, #1c4a84 100%);color:#fff;border-radius:26px;padding:34px 28px;box-shadow:0 18px 40px rgba(16,39,68,.22)}
.cta h2{color:#fff;margin-bottom:10px}
.contact-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}
.contact-item{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:18px}.contact-item strong{display:block;margin-bottom:6px}
.list{padding-left:18px;margin:0}.list li{margin:8px 0;color:var(--muted)}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.process .step{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow);text-align:center}
.process .step strong{display:block;font-size:18px;color:var(--brand);margin:8px 0}
.note{background:#fff8eb;border:1px solid #efd7a7;border-radius:18px;padding:20px;color:#765d1c}
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:auto}
table{width:100%;border-collapse:collapse}th,td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;font-size:15px}th{background:#f8fbff;color:var(--brand)}td{color:var(--muted)}tr:last-child td{border-bottom:none}
footer{padding:30px 0 44px;color:var(--muted);text-align:center;font-size:14px}
@media (max-width: 1024px){.hero-grid,.cards-4,.cards-5,.cards-3,.cards-2,.contact-list,.route,.model-row,.process{grid-template-columns:1fr 1fr}.arrow{display:none}}
@media (max-width: 760px){.nav{padding:10px 0;align-items:flex-start}nav{gap:10px 14px}.hero{padding:58px 0 42px}.hero-grid,.cards-4,.cards-5,.cards-3,.cards-2,.contact-list,.route,.model-row,.process{grid-template-columns:1fr}h1{font-size:36px}h2{font-size:28px}.section{padding:48px 0}}