:root{--bg:#0b1220;--card:#121a2b;--text:#e8eef8;--muted:#9aa8c0;--accent:#3b82f6;--accent2:#22c55e;--line:#243049;--warn:#f59e0b}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;background:linear-gradient(180deg,#0b1220 0%,#111827 100%);color:var(--text);line-height:1.6}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.nav{display:flex;justify-content:space-between;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
.brand{font-weight:700;font-size:18px;letter-spacing:.5px}.brand span{color:var(--accent)}
.nav a{color:var(--muted);margin-left:18px;font-size:14px}.nav a:hover{color:var(--text);text-decoration:none}
.hero{padding:64px 0 36px;display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:center}
.hero h1{font-size:40px;line-height:1.2;margin:0 0 14px}.hero p{color:var(--muted);margin:0 0 22px;font-size:16px}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:12px 20px;border-radius:10px;border:0;font-weight:600;cursor:pointer}
.btn:hover{filter:brightness(1.08);text-decoration:none;color:#fff}
.btn.secondary{background:transparent;border:1px solid var(--line);color:var(--text)}
.panel{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
.stat{background:#0d1526;border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center}
.stat b{display:block;font-size:22px}.stat span{color:var(--muted);font-size:12px}
.section{padding:36px 0}.section h2{margin:0 0 8px;font-size:26px}.section .sub{color:var(--muted);margin:0 0 22px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;display:flex;flex-direction:column;min-height:220px}
.card h3{margin:0 0 8px;font-size:18px}.card p{color:var(--muted);font-size:14px;flex:1}
.price{font-size:22px;font-weight:700;margin:10px 0 14px}.price small{font-size:13px;color:var(--muted);font-weight:500}
.tag{display:inline-block;font-size:12px;color:var(--accent2);background:rgba(34,197,94,.12);padding:3px 8px;border-radius:999px;margin-bottom:10px}
.footer{border-top:1px solid var(--line);padding:28px 0 40px;color:var(--muted);font-size:13px}
.footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px}
.muted{color:var(--muted)}
.notice{background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.35);color:#fde68a;padding:12px 14px;border-radius:10px;font-size:13px;margin:16px 0}
@media(max-width:860px){.hero,.grid,.footer .cols,.stats{grid-template-columns:1fr}.hero{padding-top:36px}.hero h1{font-size:30px}}