body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #f4f7f6; display: flex; justify-content: center; align-items: center; min-height: 100vh; margin: 0; padding: 20px; box-sizing: border-box; }
.form-container { background: white; padding: 30px; border-radius: 10px; box-shadow: 0 4px 10px rgba(0,0,0,0.1); width: 100%; max-width: 550px; box-sizing: border-box; }
h2 { text-align: center; color: #333; margin-bottom: 20px; }
.form-group { margin-bottom: 25px; padding-bottom: 15px; border-bottom: 1px dashed #ddd; }
.form-group:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
label.title { display: block; margin-bottom: 10px; font-weight: bold; color: #2c3e50; }
input[type="text"] { width: 100%; padding: 12px; border: 1px solid #ccc; border-radius: 5px; box-sizing: border-box; font-size: 16px; margin-top: 5px; }
.radio-group, .checkbox-group { display: flex; flex-wrap: wrap; gap: 10px; }
.radio-group label, .checkbox-group label { font-weight: normal; display: flex; align-items: center; cursor: pointer; background-color: #f9f9f9; padding: 8px 12px; border-radius: 5px; border: 1px solid #eee; font-size: 15px; flex-grow: 1; justify-content: center; text-align: center; }
.radio-group label:hover, .checkbox-group label:hover { background-color: #eef5ff; }
.meta-option { background-color: #fff4e6 !important; border-color: #ffd8a8 !important; font-weight: bold !important; color: #d9480f; }
.meta-option:hover { background-color: #ffe8cc !important; }
input[type="radio"], input[type="checkbox"] { margin-right: 8px; width: 18px; height: 18px; cursor: pointer; }
button { width: 100%; padding: 14px; background-color: #007BFF; color: white; border: none; border-radius: 5px; font-size: 16px; cursor: pointer; transition: background 0.3s; margin-top: 15px; font-weight: bold; }
button:hover { background-color: #0056b3; }

/* 手機版優化 */
@media (max-width: 600px) {
    body { padding: 10px; }
    .form-container { padding: 20px; }
    .radio-group label, .checkbox-group label { padding: 10px; font-size: 16px; }
    input[type="text"] { font-size: 16px; /* 防止 iOS 縮放 */ }
}