:root{--bg:#f6f8fc;--card:#ffffff;--ink:#172033;--muted:#5b667a;--brand:#2d5be3;--brand2:#16a085;--line:#e7ebf3;--soft:#eef4ff;--shadow:0 16px 40px rgba(23,32,51,.08)}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","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%;height:auto}.container{width:min(1160px,92vw);margin:auto}.topbar{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}.logo{font-weight:900;font-size:22px;display:flex;align-items:center;gap:10px}.logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:inline-grid;place-items:center;color:white}.nav-links{display:flex;gap:18px;align-items:center;font-size:14px;color:var(--muted)}.nav-links a:hover{color:var(--brand)}.search-wrap{background:#fff;border-bottom:1px solid var(--line);padding:13px 0}.fake-search{display:flex;gap:10px}.fake-search input{flex:1;border:1px solid var(--line);border-radius:999px;padding:12px 18px;font-size:15px}.btn{border:0;border-radius:999px;padding:12px 20px;background:var(--brand);color:#fff;font-weight:800;cursor:pointer;box-shadow:0 10px 24px rgba(45,91,227,.22)}.btn.secondary{background:#fff;color:var(--brand);border:1px solid #cdd8ff;box-shadow:none}.hero{padding:54px 0 36px;background:radial-gradient(circle at 20% 10%,#e6efff,transparent 35%),linear-gradient(180deg,#fff,#f6f8fc)}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}.eyebrow{display:inline-flex;gap:8px;align-items:center;padding:6px 12px;border-radius:999px;background:#eaf1ff;color:var(--brand);font-weight:800;font-size:14px}.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.15;margin:16px 0 14px}.hero p{font-size:18px;color:var(--muted);margin:0 0 20px}.cta-row{display:flex;gap:12px;flex-wrap:wrap}.hero-card{background:#fff;border:1px solid var(--line);border-radius:32px;box-shadow:var(--shadow);padding:18px}.video-frame{position:relative;border-radius:24px;overflow:hidden;display:block;background:#111}.video-frame img{display:block;aspect-ratio:16/9;object-fit:cover}.play{position:absolute;inset:0;display:grid;place-items:center;background:rgba(0,0,0,.12);opacity:0;transition:.25s}.video-frame:hover .play{opacity:1}.play span{width:76px;height:76px;border-radius:999px;background:rgba(255,255,255,.9);display:grid;place-items:center;color:var(--brand);font-size:32px}.stats{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.pill{padding:6px 10px;background:var(--soft);border-radius:999px;color:#33415c;font-size:13px}.section{padding:54px 0}.section h2{font-size:30px;margin:0 0 8px}.section .lead{color:var(--muted);margin:0 0 22px}.grid{display:grid;gap:18px}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-2{grid-template-columns:repeat(2,1fr)}.card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 8px 24px rgba(23,32,51,.04)}.card h3{margin:0 0 8px;font-size:20px}.card p{margin:0;color:var(--muted)}.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.tag{font-size:12px;border:1px solid #d9e2f7;border-radius:999px;padding:4px 9px;color:#41506a;background:#fff}.step{display:grid;grid-template-columns:46px 1fr;gap:14px}.num{width:46px;height:46px;border-radius:16px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:900}.timeline{border-left:3px solid #dce5ff;padding-left:18px}.update{position:relative;margin-bottom:16px}.update:before{content:"";position:absolute;left:-28px;top:9px;width:16px;height:16px;background:var(--brand2);border-radius:50%;border:3px solid #fff}.faq details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px}.faq summary{cursor:pointer;font-weight:800}.review .metric{margin-top:12px;color:var(--brand);font-weight:900}.contact-box{background:linear-gradient(135deg,#1f3f9b,#16a085);color:white;border-radius:28px;padding:28px}.contact-box p{color:#eaf7ff}.breadcrumbs{font-size:14px;color:var(--muted);padding:20px 0}.footer{background:#101828;color:#d6def1;padding:34px 0;margin-top:40px}.footer a{color:#d6def1}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.notice{font-size:13px;color:#9fb0ce}.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#111827;color:#fff;padding:10px 16px;border-radius:999px;display:none;z-index:50}.page-hero{padding:30px 0 10px}.page-hero h1{font-size:38px;margin:0 0 8px}.kbd{font-family:ui-monospace,Menlo,monospace;background:#eef2ff;border:1px solid #dce3ff;border-radius:8px;padding:2px 6px}
@media(max-width:860px){.hero-grid,.grid.cols-3,.grid.cols-2,.footer-grid{grid-template-columns:1fr}.nav{align-items:flex-start}.nav-links{display:none}.hero{padding-top:34px}.section{padding:36px 0}.fake-search{flex-direction:column}.btn{width:100%}}