:root{--bg:#0a1628;--bg-2:#0f1f36;--card:#13263f;--line:#ffffff1a;--text:#eaf0f7;--muted:#9db0c5;--accent:#c8a45c;--accent-soft:#c8a45c24}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}.shell{max-width:1080px;margin:0 auto;padding:0 24px}header{z-index:20;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);background:#0a1628db;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;height:64px;display:flex}.brand{letter-spacing:.5px;align-items:center;gap:10px;font-size:18px;font-weight:700;display:flex}.brand-mark{border-radius:7px;place-items:center;width:30px;height:30px;display:grid;box-shadow:0 0 0 1px #e8eef438}.brand-mark svg{width:100%;height:100%;display:block}nav{gap:28px;display:flex}nav a{color:var(--muted);font-size:14px;transition:color .2s}nav a:hover{color:var(--text)}.hero{padding:88px 0 64px;position:relative;overflow:hidden}.hero:after{content:"";pointer-events:none;background:radial-gradient(closest-side,#c8a45c1f,#0000);height:120%;position:absolute;inset:-50% -20% auto}.eyebrow{color:var(--accent);letter-spacing:2px;border:1px solid var(--accent-soft);background:var(--accent-soft);border-radius:999px;align-items:center;gap:8px;margin-bottom:24px;padding:6px 14px;font-size:13px;display:inline-flex}h1{margin-bottom:20px;font-family:Songti SC,STSong,SimSun,Noto Serif CJK SC,serif;font-size:clamp(34px,6vw,56px);font-weight:700;line-height:1.25}h1 .hl,.brand .hl,.foot-brand .hl{color:var(--accent)}.hero p.sub{color:var(--muted);max-width:620px;font-size:17px}.hero-actions{flex-wrap:wrap;gap:14px;margin-top:32px;display:flex}.btn{cursor:pointer;border-radius:9px;align-items:center;gap:8px;padding:12px 24px;font-size:15px;font-weight:600;transition:transform .15s,background .2s;display:inline-flex}.btn-primary{background:var(--accent);color:#0a1628}.btn-ghost{border:1px solid var(--line);color:var(--text)}.btn:hover{transform:translateY(-1px)}section{padding:64px 0}.sec-head{text-align:center;margin-bottom:44px}.sec-head h2{margin-bottom:10px;font-family:Songti SC,STSong,SimSun,Noto Serif CJK SC,serif;font-size:30px;font-weight:700}.sec-head p{color:var(--muted);font-size:15px}.grid{grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;display:grid}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px 22px;transition:transform .18s,border-color .18s}.card:hover{border-color:var(--accent-soft);transform:translateY(-3px)}.card .ico{margin-bottom:14px;font-size:26px}.card h3{margin-bottom:8px;font-size:17px;font-weight:600}.card p{color:var(--muted);font-size:14px}.split{grid-template-columns:1fr 1fr;gap:18px;display:grid}@media (width<=720px){.split{grid-template-columns:1fr}}.foot{border-top:1px solid var(--line);background:var(--bg-2);margin-top:40px;padding:40px 0 32px}.foot-grid{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:24px;display:flex}.foot-brand{font-size:16px;font-weight:700}.foot p{color:var(--muted);font-size:13px}.beian a{color:var(--muted)}.beian a:hover{color:var(--text);text-decoration:underline}.legal-line{border-top:1px solid var(--line);text-align:center;color:var(--muted);margin-top:24px;padding-top:20px;font-size:13px}.menu-toggle{color:var(--text);border:1px solid var(--line);cursor:pointer;background:0 0;border-radius:6px;padding:6px 10px;font-size:20px;display:none}.mobile-nav{flex-direction:column;gap:16px;padding:0 24px 16px}.mobile-nav[hidden]{display:none}a.card:focus-visible,.menu-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:4px}section{scroll-margin-top:80px}@media (width<=719px){.desktop-nav{display:none}.menu-toggle{display:block}}