:root{--im-blue:#0b3d91;--im-blue-dark:#082a66;--im-orange:#ff6a13;--im-green:#16885b;--im-news:#1769aa;--im-bg:#f6f8fb;--im-text:#1c2530;--im-muted:#5b6472;--im-border:#e2e6ed;--im-white:#fff;--im-radius:10px;--im-maxw:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--im-bg);color:var(--im-text);font:16px/1.75 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif}a{color:var(--im-blue);text-decoration:none}a:hover{color:var(--im-orange)}img{max-width:100%;height:auto;display:block}.wrap{width:min(calc(100% - 32px),var(--im-maxw));margin-inline:auto}.site-header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--im-border)}.nav-wrap{width:min(calc(100% - 32px),var(--im-maxw));min-height:68px;margin:auto;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;color:var(--im-blue-dark);font-size:20px;font-weight:800;white-space:nowrap}.brand img{width:42px;height:42px}.nav-wrap nav{margin-left:auto;display:flex;align-items:center;gap:4px}.nav-wrap nav a{padding:9px 8px;color:#344052;font-size:14px;border-radius:7px}.nav-wrap nav a:hover,.nav-wrap nav a.active{color:var(--im-orange);background:#fff5ed}.menu-btn{display:none;margin-left:auto;border:1px solid var(--im-border);background:#fff;padding:9px 13px;border-radius:8px}.hero{background:linear-gradient(135deg,var(--im-blue-dark),var(--im-blue));color:#fff;padding:52px 0}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:42px;align-items:center}.hero h1{font-size:clamp(30px,4.2vw,46px);line-height:1.16;margin:16px 0}.hero p{color:#d7e5ff;font-size:17px}.hero-tag{display:inline-block;background:#ffffff18;border:1px solid #ffffff36;border-radius:999px;padding:5px 12px}.buttons{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.btn{display:inline-flex;padding:10px 17px;background:#fff;color:var(--im-blue-dark);font-weight:700;border-radius:8px}.btn.orange{background:var(--im-orange);color:#fff}.btn.ghost{background:transparent;border:1px solid #ffffff70;color:#fff}.two-notices{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}.notice{border-radius:var(--im-radius);padding:15px 17px;margin:12px 0}.health-note{background:#eaf7f0;border-left:4px solid var(--im-green)}.news-note{background:#eef6fd;border-left:4px solid var(--im-news)}.section{padding:42px 0}.section+.section{border-top:1px solid var(--im-border)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:20px}.section-head h2,.prose-block h2{font-size:26px;margin:0}.section-head p{max-width:660px;margin:0;color:var(--im-muted)}.cards,.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card,.topic,.knowledge-grid article{background:#fff;border:1px solid var(--im-border);border-radius:var(--im-radius);overflow:hidden}.card img,.topic img{aspect-ratio:16/9;object-fit:cover;background:#dce9fa}.card-body,.topic>div{padding:18px}.card h3,.topic h3{font-size:18px;line-height:1.45;margin:8px 0}.card p,.topic p{font-size:14px;color:var(--im-muted)}.tag{display:inline-block;border-radius:999px;background:#fff0e6;color:#b34200;padding:3px 9px;font-size:13px;font-weight:700}.health-tag{background:#e8f6ef;color:var(--im-green)}.news-tag{background:#e8f2fb;color:var(--im-news)}.sport-tag{background:#fff2e9;color:#b34a0b}.eyebrow{margin:8px 0 0}.meta{font-size:13px!important}.read{font-weight:700}.topic-grid{grid-template-columns:repeat(3,1fr)}.knowledge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.knowledge-grid article{padding:18px}.knowledge-grid article>span{color:var(--im-orange);font-weight:800}.prose-block{max-width:880px}.prose-block p{color:#3e4958}.breadcrumb{padding-top:24px;color:var(--im-muted);font-size:14px}.article{width:min(calc(100% - 32px),780px);margin:0 auto;padding:34px 0 56px}.article h1{font-size:32px;line-height:1.25;margin:14px 0}.article h2{font-size:22px;line-height:1.35;margin-top:34px}.article h3{font-size:18px}.article p,.article li{line-height:1.85}.article-meta{color:var(--im-muted);font-size:14px}.article-cover{border-radius:12px;margin:24px 0;background:#dce9fa}.lead{font-size:17px;background:#fff;border:1px solid var(--im-border);border-left:4px solid var(--im-orange);padding:18px}.article ul{padding-left:24px}.news-meta{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--im-border);border:1px solid var(--im-border);margin:20px 0}.news-meta div{background:#fff;padding:10px 13px}.news-meta dt{font-size:13px;color:var(--im-muted)}.news-meta dd{margin:2px 0 0;font-weight:700}.source-link{display:inline-block;background:var(--im-blue);color:#fff;padding:9px 14px;border-radius:8px}.related{border-top:1px solid var(--im-border);margin-top:36px}.faq-list section{border-bottom:1px solid var(--im-border)}footer{background:#0e1420;color:#cbd3df;margin-top:34px}.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;padding:42px 0}.footer-grid h2{color:#fff;font-size:17px}.footer-grid a{display:block;color:#cbd3df;margin:6px 0}.copyright{border-top:1px solid #ffffff18;margin:0;padding:18px;text-align:center;font-size:13px}.sr-heading{font-size:1px;width:1px;height:1px;overflow:hidden;position:absolute}
@media(max-width:760px){.menu-btn{display:block}.nav-wrap{flex-wrap:wrap;padding:10px 0}.nav-wrap nav{display:none;width:100%;flex-direction:column;align-items:stretch;margin:0 0 8px}.nav-wrap nav.open{display:flex}.nav-wrap nav a{padding:11px}.hero{padding:38px 0}.hero-grid{grid-template-columns:1fr}.hero-grid img{order:-1}.two-notices,.cards,.topic-grid,.knowledge-grid{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:8px}.news-meta{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.article h1{font-size:27px}}