/* 嘉哥AI article design system */
.site-brand{display:flex;align-items:baseline;gap:8px}.site-brand small{color:#64748b;font-size:11px;font-weight:750;letter-spacing:.02em}
:root{--color-primary:#6d4df7;--color-primary-dark:#5638e8;--color-text-main:#111827;--color-text-muted:#475569;--color-text-light:#64748b;--color-bg-page:#f8fafc;--color-bg-card:#fff;--color-border:#e2e8f0;--color-success:#0f766e;--color-warning-bg:#fff7ed;--color-warning-border:#fed7aa;--color-warning-text:#9a3412}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--color-bg-page);color:var(--color-text-main);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.7;-webkit-text-size-adjust:100%}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:3px}button,input{font:inherit}.site-header{position:sticky;top:0;z-index:30;background:rgba(248,250,252,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(226,232,240,.9)}.site-nav{max-width:1180px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:22px}.site-brand{color:var(--color-text-main);font-size:22px;font-weight:850;text-decoration:none;white-space:nowrap}.site-links{display:flex;align-items:center;gap:18px}.site-links a,.site-links button{color:#334155;font-size:14px;font-weight:750;border:0;background:transparent;padding:0;cursor:pointer;text-decoration:none;white-space:nowrap}.site-links .nav-buy{color:#fff;background:var(--color-primary);border-radius:8px;padding:10px 14px;box-shadow:0 14px 30px rgba(109,77,247,.22)}.article-container{max-width:1120px;margin:0 auto;padding:0 24px}.article-hero{background:linear-gradient(180deg,#fff 0%,#f8fafc 100%);border-bottom:1px solid var(--color-border);padding:58px 0 42px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,.75fr);gap:40px;align-items:start}.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:var(--color-text-light);font-size:14px;margin-bottom:18px}.breadcrumbs a{color:var(--color-text-muted);font-weight:700}.article-kicker{display:inline-flex;align-items:center;min-height:30px;padding:0 12px;border-radius:999px;background:#eef2ff;color:var(--color-primary-dark);font-size:13px;font-weight:800}h1{max-width:860px;margin:18px 0 16px;font-size:clamp(34px,5vw,56px);line-height:1.08;letter-spacing:0;font-weight:800}.article-dek{max-width:780px;margin:0;color:var(--color-text-muted);font-size:18px;line-height:1.8}.article-meta{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px;color:var(--color-text-light);font-size:14px}.article-shell{padding:48px 0 76px}.article-grid{display:grid;grid-template-columns:minmax(0,760px) 310px;gap:36px;align-items:start}.article-main{min-width:0}.article-main h2{margin:42px 0 14px;color:var(--color-text-main);font-size:28px;line-height:1.25;letter-spacing:0;font-weight:760}.article-main h3{margin:28px 0 10px;color:var(--color-text-main);font-size:21px;line-height:1.35;font-weight:750}.article-main p,.article-main li{color:var(--color-text-muted);font-size:17px;line-height:1.85}.article-main p{margin:12px 0}.article-main ul,.article-main ol{padding-left:22px;margin:12px 0}.article-main li{margin:8px 0}.article-main strong{color:var(--color-text-main)}.article-main small{color:var(--color-text-light)}.article-main code{background:#eef2ff;border-radius:6px;padding:2px 6px;color:#3730a3}.article-main pre{white-space:pre-wrap;overflow:auto;border-radius:8px;background:#0f172a;color:#e2e8f0;padding:16px}.article-main table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--color-border);border-radius:8px;overflow:hidden;background:#fff;margin:18px 0}.article-main th{background:#f8fafc;color:var(--color-text-main);font-weight:750}.article-main td,.article-main th{padding:14px 16px;border-bottom:1px solid var(--color-border);text-align:left;vertical-align:top;font-size:16px;line-height:1.65}.article-main tr:last-child td{border-bottom:0}.article-aside{position:sticky;top:86px;display:grid;gap:16px}.card,.purchase-card,.diagnosis-card,.notice-card,.notice,.note,.answer-box,.note-box,.box,.toc,.related-box,.faq-box,.next-step-card,.rel{border:1px solid var(--color-border);border-radius:8px;background:var(--color-bg-card);box-shadow:0 12px 34px rgba(15,23,42,.06)}.purchase-card{padding:20px}.purchase-card.compact{padding:18px}.purchase-card.inline-card{margin:28px 0}.card-kicker{display:inline-flex;margin-bottom:10px;color:var(--color-success);background:#ecfdf5;border-radius:999px;padding:4px 10px;font-size:13px;font-weight:800}.purchase-card h2,.purchase-card h3{margin:0 0 10px;color:var(--color-text-main);font-size:22px;line-height:1.28;font-weight:800}.purchase-card .price{margin:0 0 8px;color:#a33b19;font-size:30px;line-height:1.1;font-weight:850}.purchase-card p{color:var(--color-text-muted);font-size:15px;line-height:1.7}.purchase-card ul{display:grid;gap:8px;padding:0;margin:14px 0;list-style:none}.purchase-card li{color:var(--color-text-muted);font-size:15px;line-height:1.55}.purchase-card li:before{content:"";display:inline-block;width:7px;height:7px;margin-right:8px;border-radius:999px;background:var(--color-success);transform:translateY(-1px)}.card-note,.purchase-card .card-note{margin-top:12px;color:var(--color-text-light);font-size:13px;line-height:1.6}.button-row,.cta-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:14px}.button,.btn,.cta-button,.home,.nav-cta{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 16px;border-radius:8px;border:1px solid transparent;font-weight:800;font-size:15px;cursor:pointer;text-decoration:none}.button-primary,.btn.primary,.cta-button,.home,.nav-cta{background:var(--color-primary);color:#fff!important;box-shadow:0 14px 30px rgba(109,77,247,.2)}.button-secondary,.btn.secondary{background:#fff;color:var(--color-text-main)!important;border-color:var(--color-border)}.button-ghost,.btn.ghost{background:#f8fafc;color:var(--color-text-muted)!important;border-color:var(--color-border)}.diagnosis-card{padding:20px;margin:0 0 30px}.diagnosis-card strong{display:block;margin-bottom:12px;font-size:20px}.diagnosis-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.diagnosis-grid a,.diagnosis-grid .diagnosis-item{display:block;width:100%;text-align:left;border:1px solid var(--color-border);border-radius:8px;padding:14px;background:#f8fafc;text-decoration:none}.diagnosis-grid b{display:block;color:var(--color-text-main);font-size:15px;margin-bottom:4px}.diagnosis-grid span{color:var(--color-primary-dark);font-size:13px;font-weight:850}.diagnosis-grid p{margin:4px 0 0;font-size:14px;line-height:1.55}.notice-card,.box.warn,.note-box{background:var(--color-warning-bg);border-color:var(--color-warning-border);color:var(--color-warning-text);padding:18px 20px;margin:22px 0}.notice-card p,.notice-card li,.box.warn p,.box.warn li,.note-box p,.note-box li{color:#7c2d12}.notice,.note,.box:not(.warn),.answer-box{padding:18px 20px;margin:22px 0;background:#fff}.answer-box{border-color:#c7d2fe;background:linear-gradient(180deg,#f8fafc,#fff)}.answer-box strong,.note-box strong,.related-box strong,.faq-box strong{display:block;margin-bottom:8px;font-size:18px}.toc{padding:16px;box-shadow:none}.toc strong{display:block;margin-bottom:8px;color:var(--color-text-main)}.toc a{display:block;padding:7px 0;color:var(--color-text-muted);font-size:14px;line-height:1.45;text-decoration:none}.faq-box,.related-box,.rel{padding:20px;margin:28px 0}.faq-box details{border-top:1px solid var(--color-border);padding:13px 0}.faq-box details:first-of-type{border-top:0}.faq-box summary{cursor:pointer;color:var(--color-text-main);font-weight:800}.related-grid,.rel{display:grid;gap:10px}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.rel a,.related-grid a{display:block;border:1px solid var(--color-border);border-radius:8px;padding:12px 14px;background:#f8fafc;color:var(--color-text-main);font-weight:700;text-decoration:none}.next-step-card{margin:36px 0 0;padding:24px;background:#111827;color:#fff;border-color:#111827}.next-step-card h2{color:#fff;margin-top:0}.next-step-card p,.next-step-card li{color:#cbd5e1}.next-step-list{display:grid;gap:10px;margin:16px 0 0}.next-step-list div{border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:12px;background:rgba(255,255,255,.04)}.next-step-list b{color:#fff;display:block;margin-bottom:3px}.site-footer{border-top:1px solid var(--color-border);background:#fff;color:var(--color-text-light);padding:28px 24px 96px;font-size:14px}.site-footer .footer-inner{max-width:1120px;margin:0 auto}.site-footer a{color:var(--color-text-muted);font-weight:700}.mobile-sticky{position:fixed;left:12px;right:12px;bottom:12px;z-index:40;display:none;grid-template-columns:1fr 1fr;gap:10px;padding:10px;border:1px solid rgba(226,232,240,.92);border-radius:8px;background:rgba(255,255,255,.96);box-shadow:0 18px 44px rgba(15,23,42,.16);backdrop-filter:blur(14px)}.mobile-sticky a{min-height:42px;font-size:14px}.toast{position:fixed;left:50%;bottom:84px;z-index:60;transform:translateX(-50%);border-radius:8px;background:#111827;color:#fff;padding:10px 14px;box-shadow:0 12px 30px rgba(15,23,42,.24);opacity:0;pointer-events:none;transition:opacity .18s ease,transform .18s ease}.toast.show{opacity:1;transform:translate(-50%,-6px)}@media(max-width:980px){.site-links a:not(.nav-buy),.site-links button{display:none}.hero-grid,.article-grid{grid-template-columns:1fr}.article-aside{position:static}.article-aside .purchase-card{display:none}.article-hero{padding-top:42px}.diagnosis-grid{grid-template-columns:1fr}}@media(max-width:680px){.site-nav{padding:12px 18px}.site-brand{font-size:20px}.article-container{padding:0 18px}.article-hero{padding:34px 0 28px}h1{font-size:clamp(32px,10vw,42px)}.article-dek{font-size:17px}.article-shell{padding:34px 0 58px}.purchase-card.compact{display:none}.button-row,.cta-actions{display:grid;grid-template-columns:1fr}.button,.btn,.cta-button{width:100%}.related-grid{grid-template-columns:1fr}.mobile-sticky{display:grid}.site-footer{padding-bottom:110px}}