:root{--primary:rgb(176,219,245);--primary-dark:#5da6d2;--deep:#0f3554;--text:#172233;--muted:#667386;--light:#f4f9fd;--line:#d8edf9;--card:#fff;--shadow:0 12px 30px rgba(15,53,84,.08)}*{box-sizing:border-box}html{overflow-x:hidden}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:#fff;color:var(--text);line-height:1.75;overflow-x:hidden}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(1200px,calc(100% - 32px));margin:0 auto}.site-header{background:#fff;border-bottom:1px solid #edf4f8;position:sticky;top:0;z-index:50}.mobile-header{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;background:#fff}.menu-button{width:42px;height:42px;border:0;background:#fff;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:0;cursor:pointer}.menu-button 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img{height:42px;max-width:160px;object-fit:contain}.desktop-nav{display:flex;align-items:center;gap:22px;white-space:nowrap}.desktop-nav a{font-weight:650;color:#2c3b4f;padding:28px 0;border-bottom:3px solid transparent}.desktop-nav a.active,.desktop-nav a:hover{color:var(--deep);border-color:var(--primary)}.search-icon{width:34px;height:34px;border:1px solid var(--line);border-radius:50%;position:relative;display:inline-block}.search-icon:before{content:"";position:absolute;width:11px;height:11px;border:2px solid var(--deep);border-radius:50%;left:9px;top:8px}.search-icon:after{content:"";position:absolute;width:9px;height:2px;background:var(--deep);transform:rotate(45deg);right:8px;bottom:9px;border-radius:2px}.section{padding:58px 0}.section.alt{background:var(--light)}.section-head{max-width:760px;margin-bottom:28px}.eyebrow,.badge{display:inline-flex;align-items:center;border-radius:999px;background:#e8f6fd;color:#135b85;font-weight:700;padding:6px 12px;font-size:13px;border:1px 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var(--line);border-left:5px solid var(--primary-dark);border-radius:18px;padding:20px}.cta{padding:52px 0;background:var(--deep);color:#fff;text-align:center}.cta h2,.cta p{color:#fff}.page-hero{padding:50px 0;background:linear-gradient(180deg,#f4fbff,#fff);border-bottom:1px solid #edf4f8}.page-hero p{max-width:820px}.content-section{padding:46px 0}.content-layout{display:grid;gap:20px}.footer-logo{height:38px;width:auto;margin-bottom:14px}.site-footer{background:#09243a;color:#dce9f1;padding:42px 0 0}.site-footer p,.site-footer a{color:#dce9f1}.footer-grid{display:grid;gap:24px}.site-footer a{display:block;margin:7px 0}.site-footer h3{color:#fff;font-size:16px}.age-note{background:rgba(176,219,245,.12);border:1px solid rgba(176,219,245,.28);border-radius:14px;padding:10px}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding:18px 0;color:#b8ccd9;font-size:13px}.download-panel{text-align:center;background:#fff;border:1px solid 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