:root{--ab-bg:#f8fafc;--ab-surface:#ffffff;--ab-ink:#0f172a;--ab-muted:#64748b;--ab-indigo:#312e81;--ab-accent:#4338ca;--ab-border:#e2e8f0;--ab-font:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}.theme-apex{margin:0;background:var(--ab-bg);color:var(--ab-ink);font-family:var(--ab-font);overflow-x:hidden}.apex-header{background:var(--ab-indigo);color:#fff;border-bottom:1px solid var(--ab-border);position:sticky;top:0;z-index:30}.apex-nav{height:70px;padding:0 5vw;display:flex;justify-content:space-between;align-items:center}.apex-brand{color:#fff;font-size:24px;font-weight:900;letter-spacing:-.5px;text-decoration:none;display:flex;align-items:center;gap:10px}.apex-brand small{background:#4338ca;color:#fff;font-size:10px;font-weight:800;padding:2px 6px;border-radius:3px;letter-spacing:.05em}.apex-nav nav{display:flex;gap:24px}.apex-nav nav a{color:#cbd5e1;font-size:13px;font-weight:600;text-decoration:none;transition:color .2s}.apex-nav nav a:hover{color:#fff}.apex-main{min-height:80vh}.apex-wrap{max-width:1440px;margin:auto;padding:24px 5vw 80px}.apex-layout{display:grid;grid-template-columns:260px minmax(0,1fr) 300px;gap:24px;margin-top:20px}.apex-rail{background:var(--ab-surface);border:1px solid var(--ab-border);border-radius:6px;padding:18px}.apex-rail h3{font-size:11px;font-weight:800;letter-spacing:.08em;color:var(--ab-muted);text-transform:uppercase;margin:0 0 14px;border-bottom:2px solid var(--ab-indigo);padding-bottom:6px}.apex-rail a{display:block;color:var(--ab-ink);text-decoration:none;font-size:13px;font-weight:600;padding:10px 0;border-bottom:1px solid var(--ab-border)}.apex-rail a:hover{color:var(--ab-accent)}.apex-center{display:flex;flex-direction:column;gap:20px}.apex-lead-card{background:var(--ab-surface);border:1px solid var(--ab-border);border-radius:6px;overflow:hidden;text-decoration:none;color:inherit}.apex-lead-card img{width:100%;height:320px;object-fit:cover}.apex-lead-body{padding:24px}.apex-lead-body h2{font-size:clamp(22px,2.5vw,32px);font-weight:800;margin:10px 0}.apex-lead-body p{color:var(--ab-muted);font-size:14px;line-height:1.6}.apex-feed{display:flex;flex-direction:column;gap:16px}.apex-card{background:var(--ab-surface);border:1px solid var(--ab-border);border-radius:6px;padding:18px;display:grid;grid-template-columns:140px 1fr;gap:18px;text-decoration:none;color:inherit;align-items:center}.apex-card img{width:140px;height:95px;object-fit:cover;border-radius:4px}.apex-card h3{font-size:16px;font-weight:700;margin:6px 0;line-height:1.35}.apex-card p{color:var(--ab-muted);font-size:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}.apex-meta{color:var(--ab-accent);font-size:11px;font-weight:700;text-transform:uppercase}.apex-ad{background:var(--ab-surface);border:1px solid var(--ab-border);border-radius:6px;padding:20px;margin:10px 0}.apex-footer{background:var(--ab-indigo);color:#94a3b8;padding:36px 5vw;display:flex;justify-content:space-between;align-items:center;font-size:13px}.apex-footer nav{display:flex;gap:20px}.apex-footer a{color:#cbd5e1;text-decoration:none}.apex-menu-toggle,#apex-menu{display:none}@media(max-width:1000px){.apex-layout{grid-template-columns:1fr;display:flex;flex-direction:column}.apex-nav nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--ab-indigo);padding:20px;flex-direction:column}.apex-menu-toggle{display:block;color:#fff;font-size:20px;cursor:pointer}.apex-nav input:checked~nav{display:flex}.apex-footer{flex-direction:column;gap:16px;text-align:center}}

/* 通用组件与辅助页面样式 (Category, Categories, Sidebar 等) */
.apex-feed{display:flex;flex-direction:column;gap:16px}
.apex-card{background:var(--ab-surface);border:1px solid var(--ab-border);border-radius:6px;padding:18px;display:grid;grid-template-columns:140px 1fr;gap:18px;text-decoration:none;color:inherit;align-items:center;transition:border-color .2s}
.apex-card:hover{border-color:var(--ab-indigo)}
.apex-card img{width:140px;height:95px;object-fit:cover;border-radius:4px}
.apex-card h2,.apex-card h3{font-size:16px;font-weight:700;margin:6px 0;line-height:1.35;color:var(--ab-ink)}
.apex-card p{color:var(--ab-muted);font-size:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.apex-side-brief{background:var(--ab-surface);border:1px solid var(--ab-border);border-radius:6px;padding:20px;display:flex;flex-direction:column;gap:10px}
.apex-side-brief h4{font-size:12px;font-weight:800;color:var(--ab-indigo);text-transform:uppercase;margin:0 0 10px;border-bottom:2px solid var(--ab-indigo);padding-bottom:4px}
.apex-side-brief a{color:var(--ab-ink);text-decoration:none;font-size:13px;font-weight:600;padding:8px 0;border-bottom:1px solid var(--ab-border);transition:color .2s}
.apex-side-brief a:hover{color:var(--ab-accent)}

/* 侧边栏与条目排版修复 */
.apex-side-brief{min-width:260px;max-width:320px;flex-shrink:0}
.apex-side-brief a{display:block!important;color:var(--ab-ink)!important;text-decoration:none!important;font-size:13px;font-weight:600;padding:10px 0!important;border-bottom:1px solid var(--ab-border)!important}
.apex-side-brief a:hover{color:var(--ab-accent)!important;padding-left:4px!important}