:root{--bg:#0b1120;--panel:#131c31;--panel2:#1a2742;--line:#2a3a5c;--text:#e6edf7;--muted:#93a3bd;--primary:#4f7cff;--accent:#f472b6;--gold:#fbbf24;--ok:#34d399}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:-apple-system,"PingFang SC","Microsoft YaHei",Segoe UI,Roboto,sans-serif;line-height:1.75;font-size:16px}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;z-index:50;background:rgba(11,17,32,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--text)}
.logo img{width:30px;height:30px;border-radius:6px}
.logo b{color:var(--accent)}
.nav-links{display:flex;gap:22px;align-items:center}
.nav-links a{color:var(--muted);font-size:15px}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-cta{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff!important;padding:8px 18px;border-radius:20px;font-weight:600}
section{padding:56px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 36px}
.sec-head .kicker{color:var(--accent);font-size:13px;letter-spacing:2px;text-transform:uppercase}
h1{font-size:36px;line-height:1.3;margin-bottom:12px}
h2{font-size:28px;margin:8px 0 12px}
h3{font-size:19px}
.sec-head p{color:var(--muted)}
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:24px}
.card:hover{border-color:var(--primary)}
.card .ico{font-size:28px;margin-bottom:10px}
.card h3{font-size:18px;margin-bottom:8px}
.card p{color:var(--muted);font-size:15px}
table{width:100%;border-collapse:collapse;background:var(--panel);border-radius:12px;overflow:hidden}
th,td{padding:13px 16px;text-align:left;font-size:14px;border-bottom:1px solid var(--line)}
th{background:var(--panel2);color:var(--text);font-weight:600}
td{color:var(--muted)}
td b{color:var(--text)}
tr:last-child td{border-bottom:none}
.pill{display:inline-block;background:rgba(52,211,153,.14);color:var(--ok);padding:2px 10px;border-radius:12px;font-size:12px}
.pill.warm{background:rgba(251,191,36,.14);color:var(--gold)}
.btn{display:inline-block;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff!important;padding:12px 30px;border-radius:26px;font-weight:700;font-size:16px;box-shadow:0 8px 24px rgba(79,124,255,.35)}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text)!important;box-shadow:none}
.badge{display:inline-block;background:rgba(244,114,182,.14);color:var(--accent);border:1px solid rgba(244,114,182,.35);padding:4px 14px;border-radius:16px;font-size:13px;margin-bottom:16px}
.crumb{background:var(--panel);border-bottom:1px solid var(--line);padding:12px 0;font-size:13px;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--accent)}
details{background:var(--panel);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
summary{cursor:pointer;padding:16px 20px;font-weight:600;list-style:none;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:20px;color:var(--accent);font-size:20px}
details[open] summary::after{content:"–"}
details .ans{padding:4px 20px 20px;color:var(--muted);font-size:15px}
details .ans ol{margin-left:20px}
details .ans li{margin-bottom:8px}
article{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:36px;margin-bottom:24px}
article h2{margin:28px 0 14px;font-size:24px;border-left:4px solid var(--accent);padding-left:12px}
article p{margin-bottom:16px;color:#dbe4f0;font-size:16px}
article .lead{font-size:17px;color:var(--muted);border-left:3px solid var(--primary);padding-left:14px}
figure{margin:20px 0}
figure img{border-radius:12px;border:1px solid var(--line);display:block}
figcaption{font-size:13px;color:var(--muted);margin-top:8px}
article table{margin:20px 0}
.byline{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-bottom:20px}
.byline span{background:var(--panel2);border:1px solid var(--line);padding:4px 12px;border-radius:14px}
.side{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:20px}
.side h3{font-size:16px;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.side a{display:block;font-size:14px;margin-bottom:10px;color:var(--muted)}
.side a:hover{color:var(--accent)}
.side .tag{display:inline-block;border:1px solid var(--line);padding:2px 10px;border-radius:12px;font-size:12px;margin:0 6px 8px 0;color:var(--muted)}
.article-wrap{display:grid;grid-template-columns:1fr 300px;gap:28px;align-items:start}
.pager{display:flex;justify-content:space-between;gap:14px;margin-top:24px}
.pager a{flex:1;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:14px;color:var(--muted)}
.pager a b{display:block;color:var(--text);font-size:15px;margin-bottom:4px}
.comment{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:12px}
.comment .who{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;flex-shrink:0}
.comment .who span{font-size:13px;color:var(--muted)}
.comment p{font-size:14px;color:var(--muted)}
footer{background:#070b16;border-top:1px solid var(--line);padding:50px 0 30px;margin-top:30px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.foot-grid h4{font-size:15px;margin-bottom:14px}
.foot-grid a{display:block;color:var(--muted);font-size:14px;margin-bottom:8px}
.foot-note{color:var(--muted);font-size:13px;text-align:center;border-top:1px solid var(--line);padding-top:20px}
@media(max-width:900px){.grid,.g3,.g2,.foot-grid,.article-wrap{grid-template-columns:1fr}.nav-links{display:none}}