:root{--bg:#E6EBF2;--nav:#F5F7FB;--white:#fff;--blue:#289CFF;--text:#243447;--sub:#66788A;--muted:#8A9AAF;--line:rgba(40,156,255,.16);--shadow:0 14px 36px rgba(56,92,138,.12);--radius:20px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}.container{width:min(1200px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:9999;background:rgba(245,247,251,.96);backdrop-filter:blur(14px);border-bottom:1px solid rgba(78,95,122,.08)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;min-height:72px}.logo{flex:0 0 auto}.logo img{max-height:46px;width:auto}.nav-wrap{flex:1 1 auto;min-width:0;display:flex;justify-content:center}.nav{display:flex;align-items:center;gap:18px;white-space:nowrap;flex-wrap:nowrap}.nav>a,.nav-button{position:relative;border:0;background:none;color:#4E5F7A;font:inherit;padding:24px 0;cursor:pointer}.nav>a:hover,.nav-button:hover,.nav 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p{max-width:720px;color:var(--sub);margin:0}.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card,.zone-card,.info-card,.review-card{background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:18px;box-shadow:0 14px 36px rgba(56,92,138,.10);padding:24px}.card p,.zone-card p,.info-card p,.review-card p{color:var(--sub)}.media-split{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center}.content-img{width:100%;border-radius:16px;background:#fff;object-fit:contain}.feature-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:20px}.feature{padding:16px;background:#EEF2F7;border-radius:14px}.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.step{position:relative;padding:24px 20px 20px 64px;background:#fff;border:1px solid var(--line);border-radius:16px}.step:before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:20px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:rgba(40,156,255,.12);color:var(--blue);font-weight:800}.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 18px;margin:12px 0}.faq summary{cursor:pointer;font-weight:700;color:#38516d;padding:16px 0}.faq details p{color:var(--sub);margin:0 0 18px}.notice{padding:20px;border-radius:16px;background:#DDE4EE;color:#4E5F7A}.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:20px;background:#fff;box-shadow:0 18px 40px rgba(56,92,138,.12);overflow:hidden;position:relative}.slides{position:relative;min-height:420px}.slide{position:absolute;inset:0;opacity:0;transition:opacity .55s}.slide.active{opacity:1;z-index:1}.slide 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