:root{--bg:#F4FAF9;--deep-bg:#D7ECE9;--surface:#FBFEFD;--soft:#C8E4E0;--title:#123238;--text:#1E3E44;--muted:#4A6B70;--note:#6A888C;--brand:#0E4A52;--deep:#1A6B75;--mint:#7EC8C0;--sand:#F4FAF9;--line:rgba(26,107,117,.22);--shadow:0 14px 36px rgba(18,50,56,.10);--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.82;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.wrap,.head-wrap{width:min(calc(100% - 32px),var(--max));margin-inline:auto}.site-head{position:fixed;inset:0 0 auto;z-index:60}.tide-line{height:16px;background:var(--brand);color:var(--sand);font-size:10px}.tide-inner{height:16px;display:flex;align-items:center;justify-content:space-between}.top-search{border:0;background:transparent;color:var(--sand);height:16px;padding:0 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