:root{--ink:#17202d;--muted:#647184;--line:#e5e9ef;--paper:#fff;--soft:#f4f7fb;--brand:#101d43;--accent:#dc4a2d;--radius:18px;--shadow:0 12px 34px rgba(23,32,45,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#f8fafc;font:16px/1.75 "Microsoft YaHei","PingFang SC",Arial,sans-serif}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;background:#eef1f5}.site-header{background:var(--paper);border-bottom:1px solid var(--line)}.topbar{max-width:1180px;margin:auto;padding:28px 24px 20px;display:flex;align-items:end;gap:18px}.brand{font-size:34px;font-weight:800;color:var(--brand);letter-spacing:.04em}.topbar p{margin:0 0 6px;color:var(--muted)}.main-nav{background:var(--brand);display:flex;justify-content:center;gap:4px;padding:0 18px;overflow-x:auto}.main-nav a{white-space:nowrap;color:#fff;padding:15px 18px;border-bottom:3px solid transparent}.main-nav a:hover{background:rgba(255,255,255,.09);border-color:var(--accent)}main{min-height:60vh}.hero{max-width:1180px;margin:34px auto 18px;padding:0 24px;display:grid;grid-template-columns:1fr 1.15fr;gap:34px;align-items:center}.hero-copy{padding:22px 0}.eyebrow{margin:0 0 8px;color:var(--accent);font-weight:700;font-size:14px;letter-spacing:.08em;text-transform:uppercase}.hero h1{font-size:46px;line-height:1.2;margin:0 0 20px;color:var(--brand)}.hero-copy>p:not(.eyebrow){font-size:18px;color:var(--muted)}.hero-media img{width:100%;height:420px;object-fit:cover;border-radius:24px;box-shadow:var(--shadow)}.hero-actions{display:flex;gap:12px;margin-top:24px}.button{display:inline-flex;align-items:center;justify-content:center;padding:11px 20px;border-radius:999px;background:var(--brand);color:#fff;font-weight:700}.button-ghost{background:transparent;color:var(--brand);border:1px solid var(--brand)}.topic-strip{max-width:1180px;margin:10px auto 34px;padding:0 24px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:grid;gap:6px;box-shadow:0 8px 24px rgba(23,32,45,.04)}.topic-card strong{font-size:18px;color:var(--brand)}.topic-card span{font-size:14px;color:var(--muted)}.content-wrap{max-width:1180px;margin:0 auto;padding:20px 24px}.inner-page{padding-top:34px;padding-bottom:50px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin:0 0 20px}.section-heading h1,.section-heading h2{margin:0;color:var(--brand);line-height:1.3}.section-heading h1{font-size:36px}.section-heading h2{font-size:28px}.section-heading p{margin:6px 0 0;color:var(--muted)}.section-heading>a{color:var(--accent);font-weight:700}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 7px 22px rgba(23,32,45,.05)}.card-image{display:block;aspect-ratio:16/10;overflow:hidden}.card-image img{width:100%;height:100%;object-fit:cover;transition:transform .25s}.card:hover .card-image img{transform:scale(1.025)}.card-body{padding:17px}.card-body h3{font-size:18px;line-height:1.45;margin:0 0 10px}.card-body>p:last-child{color:var(--muted);margin:0;font-size:14px}.category-layout{max-width:1180px;margin:20px auto 40px;padding:0 24px;display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.home-section{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}.home-section .section-heading{margin-bottom:10px}.headline-list{display:grid}.headline-list a{display:grid;grid-template-columns:1fr auto;gap:16px;padding:11px 0;border-top:1px dashed var(--line)}.headline-list time{font-size:13px;color:var(--muted)}.about-box{max-width:1132px;margin:0 auto 54px;background:var(--brand);color:#fff;padding:32px;border-radius:var(--radius)}.about-box h2{margin-top:0}.about-box p{margin-bottom:0;color:#d9e1f0}.breadcrumb{display:flex;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:14px;margin-bottom:24px}.breadcrumb a{color:var(--accent)}.topic-intro{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;margin-bottom:24px}.topic-intro h1{margin:0 0 10px;color:var(--brand)}.topic-intro>p:last-child{color:var(--muted);margin:0}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:30px;align-items:start}.article-detail{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;overflow:hidden}.article-detail h1{font-size:36px;line-height:1.35;margin:0 0 12px;color:var(--brand)}.article-meta{color:var(--muted);font-size:14px}.article-hero{width:100%;max-height:560px;object-fit:contain;background:#f1f4f8;margin:26px 0;border-radius:14px}.article-content{font-size:17px;line-height:1.95}.article-content p{margin:0 0 1.2em}.article-content h2,.article-content h3{color:var(--brand);margin:1.6em 0 .6em}.source-note{margin-top:30px;padding:14px 16px;background:var(--soft);border-radius:10px;color:var(--muted);font-size:13px}.source-note a{color:var(--accent)}.article-pager{display:grid;gap:10px;margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}.article-pager a{color:var(--brand)}.article-aside{position:sticky;top:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px}.article-aside h2{font-size:20px;margin:0 0 12px;color:var(--brand)}.article-aside>a{display:grid;grid-template-columns:84px 1fr;gap:12px;padding:12px 0;border-top:1px solid var(--line);font-size:14px;line-height:1.5}.article-aside img{width:84px;height:64px;object-fit:cover;border-radius:8px}.sitemap-group{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin:18px 0;display:grid;grid-template-columns:repeat(2,1fr);gap:8px 22px}.sitemap-group h2{grid-column:1/-1;margin:0 0 10px;color:var(--brand)}.sitemap-group a{padding:6px 0;border-bottom:1px dashed var(--line)}.error-page{text-align:center;padding-top:90px}.error-page h1{font-size:48px;color:var(--brand)}.site-footer{background:#111b35;color:#fff;margin-top:26px}.footer-inner{max-width:1180px;margin:auto;padding:30px 24px}.footer-inner p{margin:5px 0;color:#c9d1df}.footer-inner a{color:#fff;text-decoration:underline}
@media(max-width:900px){.hero{grid-template-columns:1fr}.hero h1{font-size:38px}.hero-media img{height:360px}.article-grid{grid-template-columns:repeat(2,1fr)}.topic-strip{grid-template-columns:1fr}.article-layout{grid-template-columns:1fr}.article-aside{position:static}.category-layout{grid-template-columns:1fr}}
@media(max-width:640px){body{font-size:15px}.topbar{display:block;padding:20px 16px 14px}.brand{font-size:28px}.topbar p{margin-top:3px}.main-nav{justify-content:flex-start}.main-nav a{padding:13px 14px}.hero{padding:0 16px;margin-top:18px;gap:16px}.hero h1{font-size:32px}.hero-copy{padding-bottom:0}.hero-media img{height:250px;border-radius:16px}.hero-actions{flex-wrap:wrap}.topic-strip,.content-wrap,.category-layout{padding-left:16px;padding-right:16px}.article-grid{grid-template-columns:1fr}.section-heading{align-items:start}.headline-list a{grid-template-columns:1fr}.headline-list time{display:none}.article-detail{padding:22px 18px}.article-detail h1{font-size:27px}.article-content{font-size:16px}.article-hero{max-height:380px}.article-aside{padding:16px}.sitemap-group{grid-template-columns:1fr}.site-footer{margin-top:12px}}
.footer-inner{display:grid;grid-template-columns:1.1fr .9fr 1.4fr;gap:34px;padding:38px 24px 28px}.footer-inner h2{margin:0 0 14px;font-size:18px;color:#fff}.footer-inner p{margin:7px 0}.footer-inner a{text-decoration:none}.footer-inner a:hover{text-decoration:underline}.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px 14px}.footer-article-links{grid-template-columns:1fr}.footer-article-links a{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.footer-copy{max-width:1180px;margin:auto;padding:18px 24px 26px;border-top:1px solid rgba(255,255,255,.12);color:#c9d1df}
@media(max-width:900px){.footer-inner{grid-template-columns:1fr 1fr}.footer-summary{grid-column:1/-1}}
@media(max-width:640px){.footer-inner{grid-template-columns:1fr;gap:26px;padding:30px 16px 24px}.footer-summary{grid-column:auto}.footer-links{grid-template-columns:1fr}.footer-copy{padding:16px}}

/* responsive-picture-heibaity-20260729 */
.hero-media picture,.card-image picture,.article-aside picture{display:block;width:100%;height:100%}.hero-media picture img,.card-image picture img,.article-aside picture img{width:100%;height:100%}.article-detail>picture{display:block;width:100%;margin:26px 0}.article-detail>picture .article-hero{margin:0}