:root{--bg:#080c18;--ink:#e6edf7;--muted:#9aa7bd;--line:rgba(255,255,255,.08);--brand:#22d3ee;--brand2:#3b82f6;--card:rgba(18,25,42,.72);--radius:18px}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"WenQuanYi Micro Hei","PingFang SC",system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.75;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;background:radial-gradient(1200px 600px at 80% -10%,rgba(34,211,238,.10),transparent),radial-gradient(900px 500px at -10% 30%,rgba(59,130,246,.08),transparent),repeating-linear-gradient(0deg,transparent,transparent 39px,rgba(255,255,255,.018) 39px,rgba(255,255,255,.018) 40px);z-index:0;pointer-events:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
a{color:var(--brand);text-decoration:none}a:hover{color:#7eeaf3}
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(10px);background:rgba(8,12,24,.72);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-size:20px;font-weight:800;letter-spacing:.5px;color:#fff}.brand span{color:var(--brand);margin:0 2px}
.nav nav a{margin:0 14px;color:var(--muted);font-size:14px;font-weight:600}.nav nav a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border-radius:12px;font-weight:700;font-size:15px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#04121a;border:none;cursor:pointer;transition:.25s;box-shadow:0 8px 30px -12px rgba(34,211,238,.55)}
.btn:hover{transform:translateY(-2px);color:#04121a;box-shadow:0 12px 36px -12px rgba(34,211,238,.7)}
.btn-sm{padding:9px 16px;font-size:13px}.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line);box-shadow:none}.btn-ghost:hover{background:rgba(255,255,255,.05);color:var(--ink)}
.hero{padding:80px 24px 40px;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero h1{font-size:46px;line-height:1.2;font-weight:900;letter-spacing:.5px;background:linear-gradient(135deg,#fff 20%,var(--brand) 90%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{margin:22px 0;color:var(--muted);font-size:16px;max-width:560px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}.cta-row.center{justify-content:center;margin-top:28px}
.hero-meta{list-style:none;margin-top:26px;display:flex;flex-wrap:wrap;gap:10px}
.hero-meta li{font-size:13px;color:var(--muted);background:rgba(255,255,255,.04);border:1px solid var(--line);padding:7px 14px;border-radius:99px}
.glass{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;backdrop-filter:blur(12px);box-shadow:0 20px 60px -30px rgba(0,0,0,.5)}
.hero-card .card-title{font-size:13px;color:var(--muted);letter-spacing:1px;text-transform:uppercase}
.status{display:flex;align-items:center;gap:10px;margin:14px 0;font-weight:700;color:#fff}
.dot{width:10px;height:10px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(34,211,238,.18);animation:pulse 1.6s infinite}@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(34,211,238,.18)}50%{box-shadow:0 0 0 9px rgba(34,211,238,.05)}}
.node-list{display:flex;flex-direction:column;gap:10px;margin:8px 0}
.node{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);padding:10px 12px;background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:12px}
.node .lat{color:var(--brand);font-weight:700}.card-foot{font-size:12px;color:var(--muted);margin-top:6px}
.sec-title{font-size:26px;font-weight:900;margin:52px 0 22px;color:#fff;position:relative;padding-left:16px}
.sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:4px;background:linear-gradient(var(--brand),var(--brand2))}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.cards.two{grid-template-columns:repeat(2,1fr)}.cards.three{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.3s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.35);box-shadow:0 18px 50px -28px rgba(34,211,238,.4)}
.card h3{font-size:17px;color:#fff;margin-bottom:8px}.card p{font-size:14px;color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}.step b{color:var(--brand);font-size:13px;letter-spacing:1px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s}
.news:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.35)}
.news img{width:100%;height:170px;object-fit:cover;display:block;transition:.4s}.news:hover img{transform:scale(1.04)}
.news-body{padding:16px}.news .tag{font-size:11px;color:var(--brand);background:rgba(34,211,238,.1);padding:3px 9px;border-radius:99px}
.news h4{font-size:15px;color:#fff;margin:10px 0 6px;line-height:1.45}.news time{font-size:12px;color:var(--muted)}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.faq-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;cursor:pointer;transition:.25s}
.faq-card:hover{border-color:rgba(34,211,238,.3)}
.faq-card h3{font-size:15px;color:#fff;margin-bottom:6px}.faq-body{max-height:0;overflow:hidden;transition:.4s}
.faq-card.open .faq-body{max-height:1600px}.faq-step{border-left:2px solid rgba(34,211,238,.35);padding:8px 0 8px 14px;margin:8px 0}
.faq-step h4{font-size:13px;color:var(--brand);margin-bottom:3px}.faq-step p{font-size:13px;color:var(--muted)}
.trust{margin-top:30px}
.foot{margin-top:60px;border-top:1px solid var(--line);padding:26px 0;color:var(--muted);font-size:13px}
.foot-inner{display:flex;justify-content:space-between;align-items:center}.foot-links a{margin-left:18px;color:var(--muted)}
.hero.small{padding:60px 24px 30px;grid-template-columns:1.2fr .8fr}
.hero.small h1{font-size:38px}.check{list-style:none;margin-top:14px}.check li{font-size:13px;color:var(--muted);margin:6px 0}
.news-detail img{max-width:100%;height:auto;border-radius:var(--radius);margin:18px 0}
.news-detail .meta{color:var(--muted);font-size:13px;margin-bottom:8px}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}
.related a{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;font-size:14px;color:var(--ink)}
.hero.with-img{grid-template-columns:1.2fr .8fr}.hero.with-img .glass img{width:100%;border-radius:12px}
@media(max-width:900px){.hero,.hero.small{grid-template-columns:1fr;padding-top:40px}.hero h1,.hero.small h1{font-size:34px}.cards,.news-grid,.steps,.faq-grid,.related{grid-template-columns:1fr}}