:root{--bg:#D7E4E6;--deep:#C4D4D6;--card:#F3F7F7;--sub:#E4EEEF;--ink:#1E2C2E;--text:#2A3A3C;--muted:#4A6064;--soft:#6A8084;--teal:#4A8A8C;--sand:#C4A070;--line:rgba(30,44,46,.14);--focus:rgba(74,138,140,.42);--shadow:0 12px 28px rgba(30,44,46,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.wrap{width:min(980px,calc(100% - 32px));margin:0 auto}.top-fixed{position:fixed;z-index:70;top:0;left:0;right:0}.eyebrow{height:20px;background:var(--ink);color:var(--card);font-size:12px}.eyebrow-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:var(--card);height:20px;padding:0 4px;cursor:pointer}.brandbar{height:54px;background:var(--card);border-bottom:1px solid 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