:root{--bg:#f6f7fb;--card:#fff;--text:#20242c;--muted:#677084;--line:#e6e9f0;--brand:#1f5eff;--brand2:#0c2f83}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:2}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:68px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-weight:800;font-size:20px}.brand img{width:38px;height:38px}
.menu{display:flex;gap:18px;flex-wrap:wrap}.menu a{color:#333;font-weight:600}
.hero{padding:58px 0 32px}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:stretch}
.panel{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 12px 30px rgba(31,55,99,.06)}
.hero h1{font-size:42px;line-height:1.1;margin:0 0 16px}.hero p{color:var(--muted);font-size:18px;margin:0}
.badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.badge{background:#edf2ff;color:#143b9d;border:1px solid #dbe5ff;border-radius:999px;padding:7px 11px;font-size:13px;font-weight:700}
.search{margin-top:22px}.search input{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 14px;font-size:16px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0 48px}
.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px;display:flex;flex-direction:column;min-height:260px}
.card h2,.card h3{margin:0 0 10px;line-height:1.25}.meta{color:var(--muted);font-size:14px;margin-bottom:10px}.desc{color:#4f596d}.read{margin-top:auto;font-weight:800}
.section-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-top:30px}
.topic-list{display:flex;gap:10px;flex-wrap:wrap}.topic{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 12px;color:#273044;font-weight:700}
.article{max-width:850px;margin:34px auto 60px}.article h1{font-size:40px;line-height:1.12}.article p{font-size:18px}.article .panel{padding:34px}
.footer{border-top:1px solid var(--line);background:#fff;padding:28px 0;color:var(--muted)}
.footer-grid{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.small{font-size:14px;color:var(--muted)}
.notice{background:#fff8e6;border:1px solid #ffe0a3;border-radius:16px;padding:14px 16px;color:#624400}
@media(max-width:850px){.hero-grid,.grid{grid-template-columns:1fr}.hero h1{font-size:34px}.nav{align-items:flex-start;flex-direction:column;padding:14px 0}}