:root{--ink:#11213a;--muted:#5d6b80;--line:#dce4ee;--blue:#1769e0;--blue-dark:#0b3f98;--soft:#eef5ff;--white:#fff;--radius:18px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:#fff;line-height:1.75}a{color:inherit;text-decoration:none}.site-header{height:76px;display:flex;align-items:center;justify-content:space-between;max-width:1180px;margin:auto;padding:0 24px;border-bottom:1px solid rgba(220,228,238,.8)}.brand{display:flex;gap:11px;align-items:center;font-weight:800}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;color:#fff;background:linear-gradient(145deg,var(--blue),#6b9eff);font-size:.85rem;letter-spacing:-.04em}.site-header nav{display:flex;gap:28px;align-items:center;font-size:.95rem}.site-header nav a:hover{color:var(--blue)}.nav-cta{padding:9px 16px;border:1px solid var(--line);border-radius:10px}.hero{max-width:1180px;margin:0 auto;padding:104px 24px 90px;background:radial-gradient(circle at 88% 15%,#dbeafe 0,transparent 28%)}.eyebrow,.kicker{display:inline-block;color:var(--blue);font-weight:750;font-size:.9rem;letter-spacing:.08em}.hero h1{font-size:clamp(2.55rem,6vw,5.2rem);line-height:1.08;letter-spacing:-.055em;max-width:830px;margin:18px 0 24px}.hero>p{max-width:700px;color:var(--muted);font-size:1.15rem}.actions{display:flex;gap:14px;margin-top:34px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 22px;border-radius:12px;font-weight:750}.primary{background:var(--blue);color:#fff;box-shadow:0 12px 28px rgba(23,105,224,.25)}.secondary{border:1px solid var(--line);background:#fff}.trust-row{display:flex;gap:30px;margin-top:42px;color:var(--muted);font-size:.92rem}.trust-row 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var(--line);padding-top:18px}.article{max-width:820px;margin:auto;padding:72px 24px 100px}.article h1{font-size:clamp(2.2rem,5vw,3.8rem);line-height:1.16;letter-spacing:-.045em;margin:14px 0 22px}.article .lead{font-size:1.12rem;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:28px}.article h2{font-size:1.55rem;margin-top:45px}.article h3{margin-top:28px}.article ul,.article ol{padding-left:1.35em}.notice{background:var(--soft);border-left:4px solid var(--blue);padding:18px 20px;border-radius:0 12px 12px 0;margin:28px 0}.checklist{list-style:none!important;padding:0!important}.checklist li{padding:15px 18px 15px 48px;border:1px solid var(--line);border-radius:12px;margin:10px 0;position:relative}.checklist li:before{content:"✓";position:absolute;left:18px;color:var(--blue);font-weight:bold}.faq-item{padding:24px 0;border-bottom:1px solid var(--line)}.faq-item h2{margin:0 0 8px;font-size:1.2rem}.faq-item p{margin:0;color:var(--muted)}@media(max-width:780px){.site-header{height:auto;align-items:flex-start;padding:18px 20px;gap:16px}.site-header nav{gap:12px;flex-wrap:wrap;justify-content:flex-end}.site-header nav a:not(.nav-cta){display:none}.hero{padding:72px 20px 64px}.hero h1{font-size:2.75rem}.actions{flex-direction:column}.trust-row{gap:12px;flex-direction:column}.section{padding:62px 20px}.section-heading,.cta-panel{align-items:flex-start;flex-direction:column}.card-grid,.split{grid-template-columns:1fr}.card p{min-height:0}.split{gap:28px}.cta-panel{margin:16px 20px 64px;padding:32px 26px}.footer-links{flex-wrap:wrap}footer{grid-template-columns:1fr}.copyright{grid-column:1}}