:root{--bg:#f6f7fb;--ink:#1f2937;--muted:#64748b;--brand:#234064;--brand2:#2f5d8c;--line:#e5e7eb;--card:#fff;--soft:#eef4fb}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1180px,92vw);margin:auto}.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--brand);font-size:20px}.logo img{width:42px;height:42px;border-radius:12px}.top-nav{display:flex;gap:16px;flex-wrap:wrap;font-size:14px}.top-nav a{padding:8px 10px;border-radius:999px;color:#334155}.top-nav a:hover,.top-nav .active{background:var(--soft);color:var(--brand)}.search-row{padding:0 0 14px}.fake-search{display:flex;gap:10px;background:var(--soft);padding:10px;border-radius:16px}.fake-search input{flex:1;border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:15px}.fake-search button,.btn{border:0;border-radius:12px;padding:12px 18px;background:var(--brand);color:#fff;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.search-tip{margin:6px 0 0;color:var(--muted);font-size:13px}.hero{padding:58px 0 36px;background:linear-gradient(135deg,#fff,#eef4fb)}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center}.eyebrow{color:var(--brand2);font-weight:800}.hero h1{font-size:42px;line-height:1.25;margin:10px 0 12px;color:#122033}.lead{font-size:18px;color:#475569}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.btn-secondary{background:#fff;color:var(--brand);border:1px solid var(--brand)}.trust-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}.point{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px}.hero-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 18px 40px rgba(15,23,42,.08)}.hero-card img{border-radius:18px}.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}.stat{background:var(--soft);border-radius:14px;text-align:center;padding:12px}.stat b{font-size:22px;color:var(--brand)}section{padding:48px 0}.section-title{font-size:30px;line-height:1.3;margin:0 0 10px;color:#122033}.section-desc{color:var(--muted);margin:0 0 24px}.grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 10px 24px rgba(15,23,42,.04)}.card h3{margin-top:0;color:var(--brand)}.tag{display:inline-flex;padding:4px 10px;border-radius:999px;background:var(--soft);color:var(--brand);font-size:13px;margin:4px 4px 4px 0}.video-card{position:relative;overflow:hidden;padding:0}.video-card figure{margin:0;position:relative}.video-card img{width:100%;aspect-ratio:16/10;object-fit:cover}.play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(15,23,42,.18);opacity:0;transition:.2s}.play span{width:64px;height:64px;border-radius:50%;background:#fff;color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:900}.video-card:hover .play{opacity:1}.video-body{padding:18px}.meta{font-size:13px;color:var(--muted)}.timeline{border-left:3px solid var(--brand);padding-left:18px}.timeline .card{margin-bottom:14px}.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:12px;padding:16px}.faq summary{font-weight:800;color:var(--brand);cursor:pointer}.review{display:flex;gap:14px}.avatar{width:48px;height:48px;border-radius:50%;background:var(--soft);display:flex;align-items:center;justify-content:center;color:var(--brand);font-weight:800;flex:0 0 auto}.contact-box{background:var(--brand);color:#fff;border-radius:24px;padding:30px;display:grid;grid-template-columns:1.2fr .8fr;gap:20px;align-items:center}.btn-light{background:#fff;color:var(--brand)}.breadcrumbs{font-size:14px;color:var(--muted);padding:22px 0}.article{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;margin-bottom:36px}.article h1{color:#122033}.site-footer{background:#122033;color:#dbeafe;padding:42px 0 22px}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr 1fr;gap:26px}.site-footer a{display:block;margin:6px 0;color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.18);margin-top:28px;padding-top:18px;color:#bfdbfe}.json-block{white-space:pre-wrap;background:#0f172a;color:#e2e8f0;border-radius:16px;padding:18px;overflow:auto;font-size:13px}@media(max-width:820px){.hero-grid,.grid-3,.grid-2,.contact-box,.footer-grid{grid-template-columns:1fr}.hero h1{font-size:32px}.top-nav{overflow:auto;max-height:92px}.fake-search{flex-direction:column}.trust-points{grid-template-columns:1fr}.site-header{position:static}}