:root{--primary: #1e63b6;--primary-dark: #124b8f;--bg: #f4f7fb;--card: #fff;--border: #dfe7f1;--text: #243447;--muted: #6c7a89;--green: #16a34a;--orange: #f59e0b;--red: #dc2626;--blue-soft: #eaf3ff}*{box-sizing:border-box}body{margin:0;color:var(--text);background:var(--bg);font-family:Microsoft YaHei,Arial,sans-serif}button,input,textarea,select{font:inherit}button{cursor:pointer}.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#0e4486,#eef5ff)}.login-card{width:380px;background:#fff;border-radius:8px;padding:28px;box-shadow:0 24px 60px #0f274938}.login-card h1{margin:0 0 8px;font-size:22px}.login-card p{margin:0 0 22px;color:var(--muted)}.field{display:grid;gap:6px;margin-bottom:14px}.field input,.field textarea,.field select{width:100%;border:1px solid var(--border);border-radius:6px;padding:10px 12px;background:#fff}.primary-btn{border:0;border-radius:6px;background:var(--primary);color:#fff;padding:10px 14px}.ghost-btn{border:1px solid 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