:root{--bg:#F3FBFF;--white:#fff;--soft:#F8FCFF;--line:#E2F4FD;--blue:#22AEEA;--deep:#147FB8;--text:#34465C;--muted:#5C6F82;--light:#8797A9;--border:rgba(34,174,234,.12);--shadow:0 16px 38px rgba(31,133,184,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.75;padding-top:116px}a{text-decoration:none;color:inherit}img{display:block;max-width:100%}.shell{width:min(1180px,calc(100% - 32px));margin:auto}.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}.logo img{max-height:52px;width:auto}.nav-core{display:flex;align-items:center;gap:22px;white-space:nowrap;flex-wrap:nowrap}.nav-core 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var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{text-align:center;padding:10px 4px;color:var(--muted);font-size:14px}.banner-slider{margin:14px auto 24px;border-radius:16px;height:clamp(150px,52vw,210px)}.slider-arrow{width:34px;height:34px;font-size:20px}.section{padding:42px 0}.hero-split,.feature-split{gap:24px}.content-img,.inner-hero img{height:210px}.news-strip,.dashboard-grid,.horizontal-cards,.product-grid,.review-grid,.faq-grid,.notice-list{grid-template-columns:1fr}.news-item{border-right:0}.inner-hero-box{padding:24px}.footer-grid{grid-template-columns:1fr;gap:24px}.footer-brand{grid-column:auto}.site-footer{padding-bottom:90px}}