:root{--bg:#fff;--bg-muted:#f5f7fb;--bg-soft:#eef3ff;--fg:#0f172a;--fg-muted:#475569;--fg-subtle:#64748b;--border:#e2e8f0;--border-strong:#cbd5e1;--accent:#1d4ed8;--accent-hover:#1e40af;--accent-soft:#e8efff;--accent-ink:#1e3a8a;--teal:#0f766e;--teal-soft:#ecfdf5;--amber:#b45309;--amber-soft:#fffbeb;--dark:#0b1220;--dark-2:#111a2e;--max:1120px;--measure:66ch;--radius:12px;--radius-lg:18px;--shadow-sm:0 1px 2px #0f172a0d, 0 1px 3px #0f172a0f;--shadow-md:0 10px 30px -12px #0f172a2e;--font:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}*,:before,:after{box-sizing:border-box}html{font-family:var(--font);color:var(--fg);background:var(--bg);-webkit-text-size-adjust:100%;scroll-behavior:smooth;font-feature-settings:"cv11", 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5px);left:6px;transform:rotate(-45deg)}.checklist--neutral li:before{background:var(--amber-soft);border-color:#f2d28b}.checklist--neutral li:after{background:var(--amber);border:0;width:7px;height:2px;top:calc(.35em + 8px);left:5.5px;transform:none}.table-wrap{-webkit-overflow-scrolling:touch;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);background:#fff;margin:0 0 24px;overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:640px;font-size:.93rem}th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--border);padding:13px 16px}th{background:var(--bg-muted);text-transform:uppercase;letter-spacing:.04em;color:var(--fg-subtle);font-size:.85rem;font-weight:600}thead th{vertical-align:bottom;min-width:8.5rem}thead th:first-child{min-width:7rem}tbody th{text-transform:none;letter-spacing:0;color:var(--fg);white-space:nowrap;background:#fff;font-size:.95rem}tbody tr:last-child td,tbody tr:last-child th{border-bottom:0}tbody tr.row--self th,tbody tr.row--self td{background:var(--bg-soft)}.faq-list{max-width:var(--measure)}.faq-item{border-top:1px solid var(--border);padding:22px 0}.faq-item:last-child{border-bottom:1px solid var(--border)}.faq-item h3{margin:0 0 8px;font-size:1.05rem}.faq-item p{color:var(--fg-muted);margin:0}.breadcrumb{color:var(--fg-subtle);margin:20px auto 0;font-size:.85rem}.breadcrumb ol{flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;display:flex}.breadcrumb li+li:before{content:"/";color:var(--border-strong);margin-right:6px}.breadcrumb a{color:var(--fg-subtle)}.page-head{padding-top:28px;padding-bottom:28px}.page-head h1{max-width:22ch}.page-head .lead{margin-bottom:0}.page-head-band{border-bottom:1px solid var(--border);background:radial-gradient(700px 260px at 90% -20%,#1d4ed81f,#0000 65%),linear-gradient(#f8faff 0%,#fff 100%);margin-bottom:8px}.cta{border-radius:var(--radius-lg);background:linear-gradient(135deg, var(--dark-2) 0%, #1e3a8a 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var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:26px}.post-list h2{margin:0 0 8px;font-size:1.35rem}.post-meta{color:var(--fg-subtle);margin-bottom:12px;font-size:.85rem}.plan{border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);background:#fff;flex-direction:column;gap:14px;padding:28px;display:flex}.plan--highlight{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft), var(--shadow-md)}.plan h3{margin:0}.plan .price{letter-spacing:-.02em;font-size:1.5rem;font-weight:800}.plan ul{margin:0}.steps{counter-reset:step;gap:16px;padding:0;list-style:none;display:grid}.steps li{counter-increment:step;max-width:none;padding-left:52px;position:relative}.steps li:before{content:counter(step);background:var(--accent-soft);width:36px;height:36px;color:var(--accent-ink);border-radius:10px;justify-content:center;align-items:center;font-weight:700;display:flex;position:absolute;top:0;left:0}.notfound{text-align:center;padding-top:96px;padding-bottom:96px}.notfound h1{margin:0 auto 12px}.notfound p{margin:0 auto 24px}.skip{background:var(--fg);color:#fff;z-index:100;border-radius:6px;padding:8px 12px;position:absolute;top:8px;left:-999px}.skip:focus{left:8px}@media (width<=640px){.hero{padding:52px 0 48px}.section{padding:48px 0}.cta{padding:28px}.panel{padding:24px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}a.card,.btn{transition:none}}html[lang^=zh]{--font:"Inter", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Segoe UI", Roboto, sans-serif;--measure:40em;font-feature-settings:normal;line-height:1.75}html[lang^=zh] h1,html[lang^=zh] h2,html[lang^=zh] h3,html[lang^=zh] h4{letter-spacing:0;line-height:1.3}html[lang^=zh] .hero h1{max-width:12em}html[lang^=zh] .eyebrow,html[lang^=zh] thead th,html[lang^=zh] .footer-grid h3{letter-spacing:.04em}@media (width<=720px){tbody th,thead th:first-child{z-index:1;box-shadow:1px 0 0 var(--border);position:sticky;left:0}thead th:first-child{background:var(--bg-muted);min-width:0}thead th{min-width:7rem}tbody th{white-space:normal;overflow-wrap:anywhere;background:#fff;width:7.25rem;max-width:7.25rem}tbody tr.row--self th{background:var(--bg-soft)}}