:root{--bg: #f4f6fa;--card: #ffffff;--border: #e3e8ef;--text: #1f2937;--muted: #6b7280;--primary: #2563eb;--primary-dark: #1d4ed8;--danger: #dc2626;--radius: 10px;--shadow: 0 1px 3px rgba(16, 24, 40, .08)}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;min-height:100vh}body{font-family:Noto Sans TC,Microsoft JhengHei,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.55}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{margin:0}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(160deg,#eef2ff,#f4f6fa 55%,#e0f2fe)}.login-card{width:360px;padding:36px 32px}.login-brand{text-align:center;margin-bottom:24px}.login-brand .logo{font-size:40px;display:block}.login-brand h1{font-size:22px;margin-top:6px}.login-brand p{color:var(--muted);margin:4px 0 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