/* 選擇卡片 */
.selection-card {
    background: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    margin-bottom: 50px;
    border: 2px solid #f0f0f0;
    transition: all 0.3s ease;
}

/* 表單群組 */
.form-group {
    margin-bottom: 30px;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-group label {
    display: block;
    margin-bottom: 12px;
    font-weight: 600;
    color: #2c3e50;
    font-size: 1.1em;
    letter-spacing: 0.5px;
}

/* 選擇框樣式 */
.form-select {
    width: 100%;
    padding: 16px 20px;
    font-size: 1.05em;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    background: white;
    color: #2c3e50;
    font-family: 'Microsoft JhengHei', 'PingFang TC', sans-serif;
    transition: all 0.3s ease;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23667eea' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 20px;
    padding-right: 50px;
}

.form-select:hover {
    border-color: #667eea;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.1);
}

.form-select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.form-select option {
    padding: 12px;
}

/* 提交按鈕 */
.submit-button {
    width: 100%;
    padding: 18px 32px;
    font-size: 1.15em;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Microsoft JhengHei', 'PingFang TC', sans-serif;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    margin-top: 10px;
}

.submit-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.submit-button:active:not(:disabled) {
    transform: translateY(0);
}

.submit-button:disabled {
    background: linear-gradient(135deg, #bbb 0%, #999 100%);
    cursor: not-allowed;
    box-shadow: none;
    opacity: 0.6;
}

/* 資訊區塊 */
.info-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.info-card {
    background: white;
    padding: 30px 25px;
    border-radius: 16px;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.15);
    border-color: #667eea;
}

.info-icon {
    font-size: 3em;
    margin-bottom: 15px;
}

.info-card h3 {
    color: #2c3e50;
    font-size: 1.3em;
    margin-bottom: 10px;
    font-weight: 600;
}

.info-card p {
    color: #7f8c8d;
    font-size: 0.95em;
    line-height: 1.6;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .main-content {
        padding: 40px 20px;
    }

    .selection-card {
        padding: 30px 25px;
    }

    .form-group label {
        font-size: 1em;
    }

    .form-select {
        padding: 14px 18px;
        font-size: 1em;
    }

    .submit-button {
        padding: 16px 28px;
        font-size: 1.05em;
    }

    .info-section {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .info-card {
        padding: 25px 20px;
    }

    .info-icon {
        font-size: 2.5em;
    }

    .info-card h3 {
        font-size: 1.2em;
    }

    .subtitle {
        font-size: 1em;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 30px 15px;
    }

    .selection-card {
        padding: 25px 20px;
    }

    .form-select {
        padding: 12px 16px;
        font-size: 0.95em;
    }

    .submit-button {
        padding: 14px 24px;
        font-size: 1em;
    }
}