body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;margin:0;color:#111;background:#fff;line-height:1.75}
a{color:#111;text-decoration:none}
.top{border-bottom:1px solid #eee;position:sticky;top:0;background:#fff;z-index:10}
.top-inner{max-width:1120px;margin:0 auto;padding:13px 20px;display:flex;align-items:center;gap:22px}
.logo{font-weight:900;font-size:20px;color:#d7000f;white-space:nowrap}
.top nav{display:flex;gap:18px;flex-wrap:wrap}
.top nav a{font-size:15px;color:#333}.top nav a.on{color:#d7000f;font-weight:700}
.right{margin-left:auto;color:#888;font-size:14px;white-space:nowrap}
main{max-width:1120px;margin:0 auto;padding:24px 20px 80px}
.note{background:#fff7f7;border:1px solid #f0c6c6;padding:12px 16px;border-radius:10px;color:#666;font-size:14px}
.hero3{display:grid;grid-template-columns:1fr 1.4fr 1fr;gap:16px;margin:20px 0}
.hero-card{background:#f7f7f7;border-radius:10px;overflow:hidden}
.hero-card img{width:100%;height:170px;object-fit:cover;display:block}
.hero-card .t{padding:14px 16px}
.hero-card h3{margin:0;font-size:17px;line-height:1.4}
.feed3{display:grid;grid-template-columns:180px 1fr 260px;gap:28px;margin-top:8px}
.leftnav{background:#fafafa;border-radius:10px;padding:16px;height:fit-content;position:sticky;top:64px}
.leftnav p{margin:10px 0}.leftnav p.on{color:#d7000f;font-weight:700}
.card{border-bottom:1px solid #eee;padding:20px 0;display:flex;gap:18px}
.card img{width:200px;height:120px;object-fit:cover;border-radius:8px;flex-shrink:0}
.card h3{margin:6px 0;font-size:19px;line-height:1.4}
.meta{color:#888;font-size:13px;margin:4px 0}
.badge{display:inline-block;background:#d7000f;color:#fff;font-size:12px;padding:1px 7px;border-radius:4px;margin-right:8px}
.badge.gray{background:#666}
.side{background:#f7f7f7;border-radius:10px;padding:18px;height:fit-content;position:sticky;top:64px}
.article{max-width:680px;margin:0 auto}
.article h1{font-size:30px;line-height:1.35}
.article img.cover{width:100%;height:360px;object-fit:cover;border-radius:10px}
.lead{border-left:4px solid #d7000f;padding:4px 16px;color:#444}
.key{background:#f7f7f7;border-radius:8px;padding:12px 16px}
.actions{border-top:1px solid #eee;border-bottom:1px solid #eee;padding:14px 0;display:flex;gap:18px;color:#666}
.toolbar{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:#fff;border:1px solid #ddd;border-radius:999px;padding:10px 18px;display:flex;gap:16px;box-shadow:0 4px 20px rgba(0,0,0,.12);color:#555;font-size:14px;z-index:20}
footer{max-width:1120px;margin:0 auto;padding:24px 20px 40px;color:#999;font-size:13px;border-top:1px solid #eee;text-align:center}
footer a{color:#999;margin:0 8px}
@media(max-width:820px){.hero3,.feed3{grid-template-columns:1fr}.card img{width:100%;height:160px}.card{flex-direction:column}.leftnav,.side{position:static}}