:root{--bg:#F4FAFC;--surface:#FFFFFF;--soft:#E7F3F6;--title:#0E3A46;--text:#24505A;--muted:#4A7380;--faint:#7A9AA4;--brand:#1A7F8F;--bright:#2BB3C4;--deep:#0F5B68;--light:#D7EEF2;--border:rgba(26,127,143,.16);--shadow:0 14px 34px rgba(14,58,70,.08);--radius:16px;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.site-head{position:fixed;inset:0 0 auto 0;z-index:60}.mist-line{height:20px;background:var(--title);color:#fff}.mist-inner,.dock-inner,.shell-inner,.footer-inner{width:min(var(--max),calc(100% - 32px));margin:0 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