:root{--blue:#22AEEA;--deep:#147FB8;--ink:#1F2D3A;--muted:#5C6F82;--soft:#8BA1B5;--bg:#F3FBFF;--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(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{text-decoration:none;color:inherit}img{display:block;max-width:100%}.wrap{width:min(1180px,calc(100% - 32px));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,.10)}.desktop-header{height:76px;display:flex;align-items:center;gap:26px}.brand-logo{display:flex;align-items:center;flex:0 0 auto}.brand-logo img{width:150px;height:48px;object-fit:contain}.nav-core{display:flex;gap:8px;flex:1;justify-content:center}.nav-core a{padding:9px 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0}.section.alt{background:#EAF8FF}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:24px}.section-title,h2,h3{color:var(--blue)}.section-title{font-size:clamp(28px,4vw,40px);margin:0}.section-head p{max-width:650px;color:var(--muted);margin:0}.pill-scroll{display:flex;gap:12px;overflow:auto;padding:14px 0 8px}.pill{min-width:180px;padding:15px 18px;border-radius:999px;background:rgba(255,255,255,.88);border:1px solid var(--line)}.pill b{color:var(--blue);display:block}.service-strip{padding:22px 26px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(90deg,#fff,#EAF8FF);color:var(--muted)}.board-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.info-card,.card,.content-panel{padding:24px}.content-img,.zone-card img,.app-section img,.hero-visual img{max-width:100%;height:auto;object-fit:contain}.card img,.zone-card img,.image-card img{width:100%;height:200px;object-fit:contain}.split-grid .card{height:100%}.points{padding-left:18px;color:var(--muted)}.text-link{color:var(--blue);font-weight:700}.zone-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.zone-card{overflow:hidden}.zone-card .body{padding:20px}.feature-split .image-card img{height:280px;object-fit:contain}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{padding:22px;color:var(--muted)}.faq-list{display:grid;gap:12px}.faq-item{padding:18px 20px}.faq-item h3{margin:0 0 6px;font-size:18px}.page-hero{padding:62px 0 38px;background:linear-gradient(135deg,#fff,#EAF8FF)}.page-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center}.page-hero .image-card img{height:290px;object-fit:contain}.content-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.content-panel h2{margin-top:0}.quote{border-left:4px solid var(--blue);padding:14px 18px;background:#F7FCFF;border-radius:0 14px 14px 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