:root{--brand:#1677ff;--brand-dark:#0958d9;--ink:#17233b;--muted:#68758a;--line:#e1e8f2;--soft:#f3f7fc;--width:1180px}*{box-sizing:border-box}html{font-size:16px}body{margin:0;color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}a:hover{color:var(--brand)}img{max-width:100%;height:auto}.wrap{width:min(var(--width),calc(100% - 40px));margin:0 auto}.site-header{border-bottom:1px solid var(--line);background:#fff}.header-inner{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{font-size:24px;font-weight:800;color:var(--brand);display:inline-flex;align-items:center;line-height:1}.brand-logo{display:block;height:40px;width:auto;max-width:min(220px,55vw);object-fit:contain}nav{display:flex;gap:24px;flex-wrap:wrap}.hero{padding:56px 0;background:linear-gradient(135deg,#eaf4ff,#fff)}.hero h1{font-size:40px;line-height:1.25;margin:6px 0 12px}.eyebrow{color:var(--brand);font-weight:700}.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;padding-top:36px;padding-bottom:60px}.section-title,.category-header{border-bottom:2px solid var(--brand);margin-bottom:8px}.section-title h2,.category-header h1{margin:0 0 12px}.article-list{display:grid}.card{display:grid;grid-template-columns:220px 1fr;gap:22px;padding:24px 0;border-bottom:1px solid var(--line)}.card.no-image{grid-template-columns:1fr}.card img{width:220px;aspect-ratio:16/9;object-fit:cover;border-radius:8px;background:var(--soft)}.card-tags,.article-taxonomy{display:flex;gap:8px;flex-wrap:wrap}.card-tags span,.article-taxonomy span{display:inline-block;padding:2px 8px;border-radius:999px;background:#e7f4ff;color:var(--brand-dark);font-size:13px}.card h2{font-size:21px;line-height:1.45;margin:5px 0 8px}.card p{color:var(--muted);margin:0 0 8px}.card time,.meta{font-size:14px;color:var(--muted)}aside{border-left:1px solid var(--line);padding-left:28px}aside h2{font-size:18px}.category-link{display:block;padding:14px 0;border-bottom:1px solid var(--line)}.category-link span{display:block;font-size:14px;color:var(--muted)}.breadcrumb{font-size:14px;color:var(--muted);padding-top:22px;gap:9px}.category-header{padding:26px 0 18px}.article-taxonomy{margin-bottom:12px}.article h1{font-size:36px;line-height:1.35;margin:0 0 12px}.lead{font-size:18px;color:#44546e;background:var(--soft);padding:18px 22px;border-left:4px solid var(--brand)}.cover,.article-image{display:block;width:100%;margin:24px 0;border-radius:10px;object-fit:cover}.content{font-size:18px;line-height:1.9}.content h2{margin-top:34px;line-height:1.4}.content img{display:block;margin:24px auto}.article-cta{display:flex;justify-content:center;margin:36px 0 8px;padding:0}.article-cta-btn{display:inline-flex;align-items:center;justify-content:center;min-width:220px;max-width:100%;padding:14px 32px;border-radius:8px;background:var(--brand);color:#fff;font-size:18px;font-weight:700;line-height:1.3;text-align:center;text-decoration:none;box-shadow:0 2px 0 rgba(0,0,0,.08)}.article-cta-btn:hover{background:var(--brand-dark);color:#fff}.post-nav{display:grid;gap:8px;margin-top:42px;padding-top:22px;border-top:1px solid var(--line)}.related{display:block;padding:10px 0;border-bottom:1px solid var(--line)}footer{padding:28px 0;color:#d7e7ff;background:#07162f}footer p{margin:0}footer a{color:#d7e7ff;text-decoration:underline;text-underline-offset:2px}footer a:hover{color:#fff}.footer-copy{line-height:1.8}.friend-links{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center}.friend-links span{flex:0 0 auto}.friend-links a{text-decoration:none}.friend-links a:hover{text-decoration:underline}.empty{padding:40px;background:var(--soft)}@media(max-width:800px){.wrap{width:min(100% - 28px,var(--width))}.header-inner{display:block;padding:15px 0}.header-inner nav{gap:15px;margin-top:8px}.hero{padding:34px 0}.hero h1{font-size:30px}.layout{display:block;padding-top:25px}.card{grid-template-columns:112px 1fr;gap:14px}.card.no-image{grid-template-columns:1fr}.card img{width:112px}.card h2{font-size:18px}.card p{display:none}aside{border:0;border-top:1px solid var(--line);padding:24px 0;margin-top:30px}.article h1{font-size:29px}.content{font-size:17px}}
.category-banner{display:block;margin:18px 0 8px;overflow:hidden;border-radius:12px;background:var(--soft)}.category-banner img{display:block;width:100%;height:auto}
.home-banner{display:block;margin:0 0 22px;overflow:hidden;border-radius:14px;background:#fff}.home-banner img{display:block;width:100%;height:auto}.hero .home-banner+ .eyebrow{margin-top:4px}
.hero-desc{margin:0;font-size:18px;line-height:1.7;color:var(--muted);max-width:720px}
.pagination{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin:28px 0 4px;padding-top:8px}
.pagination a,.pagination .page-btn{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 14px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font-size:14px;font-weight:600;line-height:1}
.pagination a:hover,.pagination .page-btn:hover{border-color:var(--brand);color:var(--brand);background:#eaf4ff}
.pagination a.is-current,.pagination a[aria-current=page]{border-color:var(--brand);background:var(--brand);color:#fff}
.pagination a.is-current:hover,.pagination a[aria-current=page]:hover{border-color:var(--brand-dark);background:var(--brand-dark);color:#fff}
.pagination .page-btn.is-disabled{color:#9aa6b8;background:var(--soft);border-color:transparent;cursor:default;pointer-events:none}
@media(max-width:800px){.pagination{gap:6px;margin-top:28px}.pagination a,.pagination .page-btn{min-width:36px;height:36px;padding:0 10px;font-size:13px}}
.header-right{display:flex;align-items:center;gap:24px;min-width:0}
.action-buttons{--action-btn-height:38px;--action-icon-size:var(--action-btn-height);display:flex;align-items:center;gap:10px}
.action-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:8px;font-weight:700;line-height:1;text-decoration:none;transition:background .15s,border-color .15s}
.action-btn-text{height:var(--action-btn-height);padding:0 18px;background:var(--brand);color:#fff;font-size:15px}
.action-btn-text:hover{background:var(--brand-dark);color:#fff}
.action-btn-icon img{display:block;height:var(--action-icon-size);width:auto;max-width:min(160px,40vw);object-fit:contain}
@media(max-width:800px){.header-right{flex-wrap:wrap;gap:14px}.header-right .action-buttons{--action-btn-height:36px;gap:8px}.action-btn-text{padding:0 14px;font-size:14px}}