:root{--ink:#172033;--muted:#667085;--line:#e6e9ef;--brand:#2454d6;--soft:#f4f7ff;--card:#fff;--accent:#0f9f7f;--warn:#ffb020}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Microsoft YaHei',Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.75}a{color:inherit;text-decoration:none}.wrap{width:min(1180px,92vw);margin:auto}.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:18px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px}.logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--brand),#6b8cff);display:grid;place-items:center;color:#fff}.links{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.links a{font-size:15px;color:#344054}.links a:hover{color:var(--brand)}.searchbar{border-top:1px solid var(--line);padding:12px 0;background:#fbfcff}.search-box{display:flex;gap:10px}.search-box input{flex:1;border:1px solid var(--line);border-radius:999px;padding:12px 18px;font-size:15px}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;padding:12px 20px;background:var(--brand);color:#fff;font-weight:700;cursor:pointer}.btn.ghost{background:#eef3ff;color:var(--brand)}.hero{padding:64px 0 42px;background:radial-gradient(circle at top right,#e9efff,transparent 34%),linear-gradient(180deg,#fbfcff,#fff)}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center}.eyebrow{display:inline-flex;gap:8px;align-items:center;padding:6px 12px;border-radius:999px;background:#eef7ff;color:#155eef;font-weight:700;font-size:13px}.hero h1{font-size:46px;line-height:1.18;margin:18px 0 16px}.lead{font-size:18px;color:#475467;margin:0 0 24px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}.trust div{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px}.trust strong{display:block;font-size:22px;color:var(--brand)}.media-panel{background:#fff;border:1px solid var(--line);border-radius:28px;padding:16px;box-shadow:0 18px 50px rgba(23,32,51,.09)}.video-card{position:relative;border-radius:22px;overflow:hidden;background:#101828}.video-card img{width:100%;display:block;aspect-ratio:16/10;object-fit:cover;transition:.3s}.video-card:hover img{transform:scale(1.04);opacity:.76}.play{position:absolute;inset:0;display:grid;place-items:center;opacity:0;transition:.25s}.video-card:hover .play{opacity:1}.play span{width:70px;height:70px;border-radius:50%;background:rgba(255,255,255,.92);display:grid;place-items:center;color:var(--brand);font-size:28px}.section{padding:58px 0}.section.alt{background:#f7f9fc}.section-title{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:24px}.section-title h2{font-size:31px;margin:0}.section-title p{max-width:650px;color:var(--muted);margin:8px 0 0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 8px 24px rgba(16,24,40,.04)}.card h3{margin:0 0 8px;font-size:20px}.card p{color:var(--muted);margin:0}.tagrow{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.tag{font-size:12px;background:#eef3ff;color:#2454d6;border-radius:999px;padding:4px 9px}.scenes{grid-template-columns:repeat(4,1fr)}.step{display:flex;gap:14px}.num{flex:0 0 36px;width:36px;height:36px;border-radius:12px;background:#e8f6f1;color:#08745f;display:grid;place-items:center;font-weight:800}.log{border-left:3px solid #d0d5dd;padding-left:18px}.log-item{margin-bottom:18px}.log-date{font-weight:800;color:#155eef}.faq details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;margin-bottom:12px}.faq summary{cursor:pointer;font-weight:800}.review{display:flex;flex-direction:column;gap:10px}.stars{color:#f79009;letter-spacing:2px}.contact{display:grid;grid-template-columns:1fr 1fr;gap:18px}.contact-box{background:linear-gradient(135deg,#172033,#2454d6);color:#fff;border-radius:26px;padding:30px}.contact-box p{color:#e9efff}.footer{background:#111827;color:#d0d5dd;padding:36px 0}.footer a{color:#fff}.foot-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:24px}.copy{border-top:1px solid rgba(255,255,255,.12);margin-top:24px;padding-top:18px;color:#98a2b3}.mini-hero{padding:44px 0;background:#f7f9fc}.breadcrumb{font-size:14px;color:#667085;margin-bottom:10px}.content{max-width:860px}.content h1{font-size:38px;line-height:1.2}.video-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.json-block{white-space:pre-wrap;background:#0b1220;color:#e6edf7;border-radius:18px;padding:18px;overflow:auto;font-size:13px}.notice{padding:12px 16px;border:1px solid #b2ddff;background:#eff8ff;border-radius:14px;color:#175cd3;margin-top:12px}@media(max-width:860px){.hero-grid,.contact,.foot-grid{grid-template-columns:1fr}.grid,.scenes,.video-list{grid-template-columns:1fr}.hero h1{font-size:34px}.links{display:none}.trust{grid-template-columns:1fr}.section-title{display:block}}