:root{--blue:#0033A0;--bright:#0052CC;--deep:#002066;--ink:#0A1628;--text:#1E2A3A;--muted:#4A5568;--soft:#718096;--line:rgba(0,51,160,.14);--bg:#fff;--sub:#F5F7FA;--sub2:#EEF1F6;--shadow:0 12px 36px rgba(0,33,102,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.78;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.topline{position:fixed;z-index:60;top:0;left:0;right:0;height:22px;background:var(--deep);color:#fff}.topline-inner,.head-inner,.tabbar-inner,.page,.footer-inner,.catalog-shell{width:min(1220px,calc(100% - 32px));margin:auto}.topline-inner{height:22px;display:flex;align-items:center;justify-content:space-between;font-size:12px}.brand-mini{font-weight:800}.text-btn{border:0;background:transparent;color:#fff;cursor:pointer;padding:0 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