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#582b2717;--sidebar-expanded:232px;--sidebar-collapsed:72px;--sidebar-radius:8px;--sidebar-item-size:44px;--sidebar-item-gap:5px;--sidebar-icon-size:17px;--sidebar-label-size:.84rem;--sidebar-label-weight:500;--sidebar-label-active-weight:600;--sidebar-active-bg:#ffebee;--sidebar-hover-bg:#fff6f3;--sidebar-paper:#fffaf7;--sidebar-paper-soft:#fff4f1;--sidebar-red-top:#a32433;--sidebar-red-mid:#7f1d2a;--sidebar-red-bottom:#38141c;--ease-standard:cubic-bezier(.2, 0, 0, 1);--ease-out:cubic-bezier(.22, .61, .36, 1);--motion-fast:.16s;--motion-medium:.22s;--latin-font:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--hanzi-font:"Noto Sans CJK SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", SimHei, sans-serif}*{box-sizing:border-box}body{background:linear-gradient(180deg, #fffaf4 0%, var(--app-bg) 340px, #f5f0ed 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