:root{--bg:#EEF4FB;--deep:#D6E4F4;--panel:#F7FAFD;--soft:#E4EEF8;--ink:#141820;--text:#1E2834;--muted:#4A5A6E;--aux:#6A7A8E;--red:#C81E2E;--ice:#4A7AB8;--navy:#1A2A44;--white:#F7FAFD;--border:rgba(20,24,32,.12);--focus:rgba(200,30,46,.45);--shadow:0 12px 28px rgba(26,42,68,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;overflow-x:hidden;font-size:15px;line-height:1.7;padding-top:118px}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%;object-fit:contain;object-position:center}h1,h2,h3,p{margin-top:0}h1{font-size:24px;line-height:1.3;color:var(--ink);margin-bottom:16px}h2{font-size:20px;line-height:1.4;color:var(--ink);margin-bottom:14px}h3{font-size:16px;line-height:1.5;margin-bottom:10px}p{margin-bottom:14px}.site-head{position:fixed;inset:0 0 auto 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@media(max-width:420px){.brand-actions{gap:6px}.mini-link,.menu-btn{padding:0 11px}.footer-grid{grid-template-columns:1fr}.leke-brandbar{padding-left:16px;padding-right:16px}}

.mt-16{margin-top:16px}.mt-18{margin-top:18px}.app-icon{width:48px;height:48px;margin:12px auto 0}