body {
    font-family: 'Noto Sans TC', sans-serif;
    padding: 20px 0;
    min-height: 100vh;
}
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: url(background.png) center / cover no-repeat;
    z-index: -1;
    will-change: transform;
    transform: translateZ(0);
}
.order-form-container {
    background-color: rgba(255, 255, 255, 0.9);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    max-width: 500px;
    margin: auto;
}
.form-header {
    text-align: center;
    margin-bottom: 30px;
    color: #d9534f;
}
.form-header h2 {
    font-weight: 700;
}
.form-label {
    font-weight: 700;
    color: #555;
}
.btn-primary {
    background-color: #f0ad4e;
    border-color: #f0ad4e;
}
.btn-primary:hover {
    background-color: #ec971f;
    border-color: #eb9316;
}
.btn-danger {
    background-color: #d9534f;
    border-color: #d9534f;
}
.btn-success {
        background-color: #5cb85c;
    border-color: #5cb85c;
}
#items-container .row {
    align-items: center;
}
footer{
    font-size: 11px;
    opacity: 0.7;
}
label:has(+ input:required):after {
    content: ' *';
    color: red;
}
.footer-action-btn {
    border-radius: 20px;
    padding: 5px 15px;
    font-size: 0.85rem;
    transition: all 0.2s;
    border-width: 1.5px;
}
.footer-action-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
.contact-info {
    font-size: 0.9rem;
    color: #666;
}
/* 確認視窗樣式優化 */
.confirm-section {
    text-align: left;
    background: #fff;
}
.confirm-label {
    font-size: 0.8rem;
    color: #6c757d;
    margin-bottom: 0;
    font-weight: 400;
}
.confirm-value {
    font-weight: 600;
    color: #212529;
    margin-bottom: 0.4rem;
}
.confirm-item-list {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 12px;
    margin-top: 10px;
}
.confirm-item-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
    border-bottom: 1px dashed #dee2e6;
}
.confirm-item-row:last-child {
    border-bottom: none;
}