:root{color-scheme:light;--bg:#f1f5fd;--surface:#fff;--text:#293446;--muted:#728096;--soft:#f0f6ff;--accent:#4c87c9;--accent-deep:#3174bb;--line:#e8eef6;--shadow:0 12px 42px rgba(42,75,120,.06);font-family:Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none}
:root[data-theme=dark]{color-scheme:dark;--bg:#171e2b;--surface:#222c3b;--text:#e5eaf3;--muted:#a5b1c2;--soft:#29394e;--accent:#83b8f0;--accent-deep:#9bc7f5;--line:#364356;--shadow:0 12px 42px rgba(0,0,0,.12)}
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.profile-avatar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;border-radius:inherit;z-index:2}.profile-avatar img[hidden]{display:none}