:root{--fg:#1a1d21;--muted:#5f6b7a;--line:#e3e8ee;--bg:#fff;--bg2:#f7f9fc;--accent:#0b63c5;--accent2:#0a8f6c}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--fg);font:16px/1.8 -apple-system,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1060px;margin:0 auto;padding:0 24px}
header{border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);z-index:10}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:700;font-size:19px;color:var(--fg)}.logo span{color:var(--accent)}
nav a{color:var(--muted);margin-left:26px;font-size:15px}nav a:hover{color:var(--fg)}
.hero{padding:76px 0 56px;background:linear-gradient(180deg,var(--bg2),#fff);border-bottom:1px solid var(--line)}
.hero h1{font-size:38px;line-height:1.32;font-weight:700;letter-spacing:-.4px}
.hero h1 em{font-style:normal;color:var(--accent2)}
.hero p{color:var(--muted);font-size:17px;margin-top:18px;max-width:720px}
.btns{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:11px 24px;border-radius:8px;font-size:15px;font-weight:600;border:1px solid var(--line)}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn.primary:hover{text-decoration:none;opacity:.92}
.btn.ghost{color:var(--fg);background:#fff}
.btn.ghost:hover{border-color:var(--accent);text-decoration:none}
section{padding:56px 0;border-bottom:1px solid var(--line)}
h2{font-size:24px;margin-bottom:10px}h3{font-size:17px}
.sub{color:var(--muted);margin-bottom:32px;font-size:15px}
.grid{display:grid;gap:16px}
.g3{grid-template-columns:repeat(auto-fit,minmax(270px,1fr))}
.g2{grid-template-columns:repeat(auto-fit,minmax(330px,1fr))}
.card{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:24px}
.card p{color:var(--muted);font-size:15px;margin-top:8px}
.card a{font-size:15px}
ul.plain{list-style:none}
ul.plain li{padding:9px 0 9px 24px;position:relative;color:var(--muted);font-size:15px}
ul.plain li:before{content:"·";position:absolute;left:8px;color:var(--accent);font-weight:700;font-size:20px;line-height:1}
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600;font-size:14px;background:var(--bg2)}
footer{padding:40px 0;color:var(--muted);font-size:13.5px;background:var(--bg2)}
footer .wrap{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;align-items:flex-start}
footer a{color:var(--muted)}
code{background:#eef2f7;padding:2px 6px;border-radius:4px;font-size:14px}
@media(max-width:640px){.hero h1{font-size:28px}nav a{margin-left:14px;font-size:14px}}

/* 宣传门户增强 */
.hero-inner{display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:center}
.tagline{display:inline-block;font-size:13px;color:var(--accent);border:1px solid rgba(11,99,197,.28);background:rgba(11,99,197,.06);padding:5px 14px;border-radius:20px;margin-bottom:20px;letter-spacing:.3px}
.hero-art img{width:100%;height:auto;display:block}
@media(max-width:900px){.hero-inner{grid-template-columns:1fr;gap:32px}.hero-art{order:-1;max-width:420px;margin:0 auto}}