*{box-sizing:border-box;margin:0;padding:0}:root{--brand: #1a56db;--brand-dark: #1443b8;--brand-light: #eef4ff;--bg: #f4f6fb;--card: #ffffff;--border: #e5e9f2;--text: #1f2937;--text-2: #6b7280;--text-3: #9ca3af;--danger: #dc2626;--ok: #059669;--radius: 10px;--shadow: 0 1px 3px rgba(16, 42, 97, .08), 0 1px 2px rgba(16, 42, 97, .05)}html,body{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:var(--brand);text-decoration:none}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit;font-size:14px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;border:1px solid var(--border);background:#fff;color:var(--text);font-size:13.5px;font-weight:500;transition:all 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