:root{--blue:#22AEEA;--deep:#147FB8;--bg:#F3FBFF;--text:#1F2D3A;--muted:#5C6F82;--soft:#8BA1B5;--line:rgba(34,174,234,.16);--shadow:0 14px 36px rgba(34,174,234,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{text-decoration:none;color:inherit}img{display:block;max-width:100%}.container{width:min(1180px,92%);margin:auto}.site-header{position:sticky;top:0;z-index:9999;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(34,174,234,.1)}.desktop-header{height:76px;display:flex;align-items:center;gap:24px}.brand-logo img{width:150px;height:46px;object-fit:contain}.nav-core{display:flex;gap:10px;flex:1;justify-content:center;white-space:nowrap}.nav-core a{color:var(--deep);background:rgba(34,174,234,.08);padding:9px 17px;border-radius:999px;font-weight:700}.nav-core a:hover,.nav-core a.active{color:var(--blue);background:linear-gradient(135deg,rgba(109,230,255,.24),rgba(34,174,234,.12));box-shadow:0 7px 18px 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var(--line);border-radius:22px;padding:24px;margin-bottom:50px}.section{padding:58px 0}.section-alt{background:#EAF8FF}.section-title{font-size:34px;text-align:center;margin:0 0 12px;color:var(--blue)}.section-lead{text-align:center;color:var(--muted);max-width:760px;margin:0 auto 30px}.board-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.info-card,.card,.zone-card,.review-card{padding:24px}.info-card h3,.card h3,.zone-card h3{color:var(--blue)}.content-img,.zone-card img,.app-section img{width:100%;height:210px;object-fit:contain;margin-bottom:16px}.split-grid .card{height:100%}.text-link{color:var(--blue);font-weight:800}.points{padding-left:20px;color:var(--muted)}.zone-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card p{margin:0;color:var(--muted)}.faq-list{display:grid;gap:14px}.faq-item{padding:20px}.faq-item h3{margin:0 0 8px;color:var(--deep)}.page-hero{padding:64px 0 36px;background:linear-gradient(135deg,#fff,#EAF8FF)}.page-hero .container{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:center}.page-hero img{height:280px;width:100%;object-fit:contain;background:#fff;border-radius:24px;padding:20px;border:1px solid var(--line);box-shadow:var(--shadow)}.page-content{padding:46px 0}.content-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.content-block{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:var(--shadow)}.content-block h2{margin-top:0;color:var(--blue)}.notice{padding:22px;border-radius:18px;background:#E2F5FF;border:1px solid var(--line);color:var(--deep)}.site-footer{background:#0B3D5C;color:#EAF8FF;padding:48px 0 0}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.5fr;gap:30px}.footer-brand img{width:160px;height:50px;object-fit:contain;background:#fff;border-radius:10px;padding:5px}.site-footer h3{color:#fff}.site-footer a{display:block;margin:6px 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@media(max-width:620px){.hero-copy h1,.page-hero h1{font-size:36px}.hero-visual img{height:240px}.hero-summary,.board-grid,.zone-grid,.review-grid,.content-grid,.footer-grid{grid-template-columns:1fr}.section{padding:42px 0}.section-title{font-size:29px}.panel-groups{grid-template-columns:1fr}.page-hero img{height:230px}}