/* Checkout Page */
.checkout-page {
    background-color: #fafafa;
    min-height: calc(100vh - 200px);
    padding: 40px 0;
}

.checkout-wrapper {
    display: grid;
    grid-template-columns: 1fr 480px;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Left Column: Checkout Form */
.checkout-form {
    background-color: #fff;
    padding: 40px;
    border-radius: 8px;
}

/* Express Checkout */
.express-checkout {
    margin-bottom: 40px;
}

.express-checkout h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-color);
}

.btn-paypal {
    width: 100%;
    padding: 12px;
    background-color: #ffc439;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-paypal:hover {
    background-color: #f0b429;
}

.btn-paypal img {
    height: 30px;
    display: block;
    margin: 0 auto;
}

.divider {
    display: flex;
    align-items: center;
    margin: 24px 0;
    color: var(--text-light);
    font-size: 14px;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--border-color);
}

.divider span {
    padding: 0 16px;
}

/* Form Sections */
.form-section {
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border-color);
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section h2 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-color);
}

.section-description {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 16px;
}

/* Contact Info */
.contact-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.country-flag {
    font-size: 20px;
}

.contact-info input {
    flex: 1;
}

/* Form Groups */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 8px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-row.three-cols {
    grid-template-columns: 1fr 1fr 1fr;
}

/* Checkbox */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-color);
    cursor: pointer;
    margin-bottom: 16px;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Links */
.link-text {
    display: inline-block;
    color: var(--primary-color);
    font-size: 14px;
    text-decoration: none;
    margin-bottom: 16px;
    transition: color 0.3s ease;
}

.link-text:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Shipping Notice */
.shipping-notice {
    padding: 16px;
    background-color: var(--bg-gray);
    border-radius: 4px;
    font-size: 14px;
    color: var(--text-light);
    text-align: center;
}

/* Payment Method */
.payment-method {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.payment-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background-color: #f8f9fa;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
}

.payment-option input[type="radio"] {
    margin-right: 12px;
    cursor: pointer;
}

.payment-option span {
    flex: 1;
    font-weight: 600;
    font-size: 14px;
}

.card-icons {
    display: flex;
    gap: 8px;
    align-items: center;
}

.card-icons img {
    height: 24px;
}

.payment-fields {
    padding: 24px 20px;
    background-color: #fff;
}

/* Pay Now Button */
.btn-pay-now {
    width: 100%;
    padding: 18px;
    font-size: 16px;
    font-weight: 700;
    margin-top: 32px;
    border-radius: 8px;
}

/* Right Column: Order Summary */
.order-summary {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.order-summary h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-color);
}

/* Order Items */
.order-items {
    margin-bottom: 24px;
}

.order-item {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    position: relative;
}

.order-item-image {
    width: 70px;
    height: 70px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
    border: 1px solid var(--border-color);
}

.order-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.item-quantity-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    background-color: var(--text-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
}

.order-item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.order-item-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
    line-height: 1.4;
    margin-bottom: 4px;
}

.order-item-price {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-color);
}

/* Discount Code */
.discount-code {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.discount-code input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
}

.discount-code input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn-apply {
    padding: 12px 24px;
    background-color: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-apply:hover {
    background-color: var(--text-color);
    color: #fff;
    border-color: var(--text-color);
}

/* Order Totals */
.order-totals {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.total-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    font-size: 14px;
    color: var(--text-color);
}

.discount-row {
    color: var(--text-light);
}

.discount-label {
    font-size: 12px;
    color: var(--text-light);
}

.discount-amount {
    color: #e74c3c;
    font-weight: 600;
}

.shipping-text {
    color: var(--text-light);
    font-size: 13px;
}

.total-final {
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    font-size: 16px;
    font-weight: 700;
}

.total-price {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.total-price .currency {
    font-size: 12px;
    color: var(--text-light);
    font-weight: 400;
}

.total-price .amount {
    font-size: 24px;
    font-weight: 700;
}

.total-savings {
    padding: 12px;
    background-color: rgba(231, 76, 60, 0.1);
    border-radius: 6px;
    font-size: 13px;
    color: #e74c3c;
    font-weight: 600;
    text-align: center;
}

/* Responsive */
@media (max-width: 1024px) {
    .checkout-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .order-summary {
        position: static;
        order: -1;
    }
}

@media (max-width: 768px) {
    .checkout-page {
        padding: 20px 0;
    }

    .checkout-form {
        padding: 24px 20px;
    }

    .order-summary {
        padding: 24px 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .checkout-wrapper {
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .checkout-form,
    .order-summary {
        padding: 20px 16px;
        border-radius: 0;
    }

    .total-price .amount {
        font-size: 20px;
    }
}

/* 地址区域样式 */
.address-section .address-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-top: 16px;
}

.address-card .no-address {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-light);
}

.address-card .no-address p {
    margin-bottom: 20px;
    font-size: 14px;
}

.address-info {
    position: relative;
}

.address-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.address-user {
    display: flex;
    align-items: center;
    gap: 16px;
}

.address-actions-top {
    display: flex;
    gap: 8px;
    align-items: center;
}

.btn-edit-selected {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 13px;
    color: var(--text-light);
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-edit-selected:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: rgba(255, 107, 107, 0.05);
}

.btn-edit-selected svg {
    width: 14px;
    height: 14px;
}

.user-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
}

.user-phone {
    font-size: 14px;
    color: var(--text-light);
}

.btn-change-address {
    padding: 6px 16px;
    font-size: 13px;
    color: var(--primary-color);
    background: none;
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-change-address:hover {
    background-color: var(--primary-color);
    color: white;
}

.address-detail {
    font-size: 14px;
    color: var(--text-color);
    line-height: 1.6;
    margin-bottom: 12px;
}

.address-tag {
    display: flex;
    gap: 8px;
}

.tag {
    padding: 4px 12px;
    font-size: 12px;
    border-radius: 4px;
    display: inline-block;
}

.tag-default {
    background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
    color: #f57c00;
    font-weight: 600;
    border: 1px solid #ffcc80;
    box-shadow: 0 2px 4px rgba(245, 124, 0, 0.1);
}

/* 商品列表样式 */
.goods-section .goods-list {
    margin-top: 16px;
}

.goods-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
}

.goods-item:last-child {
    border-bottom: none;
}

.goods-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
}

.goods-info {
    flex: 1;
}

.goods-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 6px;
}

.goods-specs {
    font-size: 13px;
    color: var(--text-light);
}

.goods-right {
    text-align: right;
}

.goods-price {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 6px;
}

.goods-quantity {
    font-size: 13px;
    color: var(--text-light);
}

/* 优惠券选择样式 */
.coupon-section .coupon-selector {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 16px;
}

.coupon-selector:hover {
    border-color: var(--primary-color);
    background-color: #f8f9fa;
}

.coupon-placeholder {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: var(--text-color);
}

.coupon-placeholder svg {
    color: var(--text-light);
}

/* 订单备注 */
#orderNotes {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    resize: vertical;
    font-family: inherit;
    transition: all 0.3s ease;
}

#orderNotes:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

/* 弹窗样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    overflow-y: auto;
    padding: 20px;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    border-radius: 12px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    font-size: 24px;
    color: var(--text-light);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background-color: var(--bg-gray);
    color: var(--text-color);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* 地址列表 */
.address-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.address-item {
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 0;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.address-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.15);
}

.address-item.selected {
    border-color: var(--primary-color);
    background-color: rgba(255, 107, 107, 0.05);
}

.address-content {
    flex: 1;
    padding: 16px 20px;
    min-width: 0;
}

.address-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    gap: 12px;
}

.address-user {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

.user-name {
    font-weight: 600;
    font-size: 15px;
    color: var(--text-color);
}

.user-phone {
    font-size: 14px;
    color: var(--text-light);
}

.address-detail {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.address-operations {
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--border-color);
    background: #f8f9fa;
}

.btn-icon-action {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: none;
    background: transparent;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.btn-icon-action:first-child {
    border-bottom: 1px solid var(--border-color);
}

.btn-icon-action:hover {
    background: white;
}

.btn-edit-address:hover {
    color: var(--primary-color);
}

.btn-delete-address:hover {
    color: #ff3b30;
}

.btn-icon-action svg {
    width: 18px;
    height: 18px;
}

.address-selected-icon {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #ff5252 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(255, 107, 107, 0.4);
    animation: scaleIn 0.3s ease;
    z-index: 1;
}

@keyframes scaleIn {
    0% {
        opacity: 0;
        transform: scale(0);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.btn-add-address {
    width: 100%;
    margin-top: 16px;
}

/* 优惠券列表 */
.coupon-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.coupon-item {
    display: flex;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    gap: 16px;
}

.coupon-item:hover {
    border-color: var(--primary-color);
    background-color: #f8f9fa;
}

.coupon-item.selected {
    border-color: var(--primary-color);
    background-color: #fff3e0;
}

.coupon-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 100px;
    border-right: 1px dashed var(--border-color);
    padding-right: 16px;
}

.coupon-discount {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.coupon-condition {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 4px;
}

.coupon-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.coupon-name {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 6px;
}

.coupon-validity {
    font-size: 12px;
    color: var(--text-light);
}

.coupon-selected-icon {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 24px;
    height: 24px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
}

/* 新增地址弹窗美化 */
.modal-address {
    max-width: 640px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-address .modal-header {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff5252 100%);
    color: white;
    border-radius: 12px 12px 0 0;
}

.modal-address .modal-header h3 {
    color: white;
}

.modal-address .modal-close {
    color: rgba(255, 255, 255, 0.9);
}

.modal-address .modal-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
}

.address-form {
    padding: 8px 0;
}

.address-form .form-group {
    margin-bottom: 24px;
    animation: fadeInUp 0.4s ease forwards;
    opacity: 0;
}

.address-form .form-group:nth-child(1) { animation-delay: 0.05s; }
.address-form .form-group:nth-child(2) { animation-delay: 0.1s; }
.address-form .form-group:nth-child(3) { animation-delay: 0.15s; }
.address-form .form-group:nth-child(4) { animation-delay: 0.2s; }
.address-form .form-group:nth-child(5) { animation-delay: 0.25s; }

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

.address-form .form-group label {
    display: flex;
    align-items: center;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.address-form .label-icon {
    font-size: 18px;
    margin-right: 8px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.address-form input[type="text"],
.address-form input[type="tel"],
.address-form textarea,
.address-form select {
    width: 100%;
    padding: 13px 18px;
    border: 2px solid #e8e8e8;
    border-radius: 10px;
    font-size: 14px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background-color: #fafafa;
    font-family: inherit;
}

.address-form input[type="text"]:hover,
.address-form input[type="tel"]:hover,
.address-form textarea:hover,
.address-form select:hover {
    border-color: #d0d0d0;
    background-color: #f5f5f5;
}

.address-form input[type="text"]:focus,
.address-form input[type="tel"]:focus,
.address-form textarea:focus,
.address-form select:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: white;
    box-shadow: 0 0 0 4px rgba(255, 107, 107, 0.1), 0 4px 12px rgba(0, 0, 0, 0.05);
    transform: translateY(-1px);
}

.address-form input::placeholder,
.address-form textarea::placeholder {
    color: #999;
}

.address-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* 省市区选择器 */
.region-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    position: relative;
}

.region-select {
    padding: 13px 18px;
    border: 2px solid #e8e8e8;
    border-radius: 10px;
    font-size: 14px;
    background-color: #fafafa;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23ff6b6b' stroke-width='2.5' 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 12px center;
    padding-right: 40px;
    font-family: inherit;
}

.region-select:hover:not(:disabled) {
    border-color: #d0d0d0;
    background-color: #f5f5f5;
}

.region-select:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: white;
    box-shadow: 0 0 0 4px rgba(255, 107, 107, 0.1), 0 4px 12px rgba(0, 0, 0, 0.05);
    transform: translateY(-1px);
}

.region-select:disabled {
    background-color: #f8f8f8;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23ccc' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    cursor: not-allowed;
    opacity: 0.5;
    border-color: #f0f0f0;
}

/* 字数统计 */
.char-count {
    text-align: right;
    font-size: 12px;
    color: #999;
    margin-top: 8px;
    font-weight: 500;
}

.char-count span {
    color: var(--primary-color);
    font-weight: 600;
}

/* 自定义复选框 */
.checkbox-group {
    margin-top: 8px;
    margin-bottom: 0;
}

.checkbox-label-new {
    display: flex;
    align-items: center;
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
    padding: 14px 18px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 2px solid #e8e8e8;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.checkbox-label-new:hover {
    background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
}

.checkbox-label-new input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkbox-custom {
    width: 22px;
    height: 22px;
    border: 2.5px solid #d0d0d0;
    border-radius: 6px;
    margin-right: 12px;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    background-color: white;
}

.checkbox-label-new input[type="checkbox"]:checked ~ .checkbox-custom {
    background: linear-gradient(135deg, var(--primary-color) 0%, #ff5252 100%);
    border-color: var(--primary-color);
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(255, 107, 107, 0.3);
}

.checkbox-label-new input[type="checkbox"]:checked ~ .checkbox-custom::after {
    content: '';
    position: absolute;
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2.5px 2.5px 0;
    transform: rotate(45deg);
    animation: checkmark 0.3s ease;
}

@keyframes checkmark {
    0% {
        opacity: 0;
        transform: rotate(45deg) scale(0);
    }
    50% {
        opacity: 1;
        transform: rotate(45deg) scale(1.2);
    }
    100% {
        opacity: 1;
        transform: rotate(45deg) scale(1);
    }
}

.checkbox-text {
    font-size: 14px;
    color: #333;
    font-weight: 500;
}

/* 按钮美化 */
.modal-footer .btn {
    padding: 13px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
}

.modal-footer .btn-secondary {
    background-color: #f1f3f5;
    color: #495057;
    border: 2px solid #dee2e6;
}

.modal-footer .btn-secondary:hover {
    background-color: #e9ecef;
    border-color: #adb5bd;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.modal-footer .btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #ff5252 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
}

.modal-footer .btn-primary:hover {
    background: linear-gradient(135deg, #ff5252 0%, #e63946 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
}

.modal-footer .btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(255, 107, 107, 0.3);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .modal-address {
        max-width: 95%;
    }
    
    .address-form .form-row {
        grid-template-columns: 1fr;
    }
    
    .region-selector {
        grid-template-columns: 1fr;
    }
}

/* ===================== 支付方式 ===================== */
.payment-methods {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.payment-method {
    position: relative;
    border: 2px solid #e5e5e5;
    border-radius: 12px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: white;
}

.payment-method:hover:not(.disabled) {
    border-color: #09BB07;
    background: rgba(9, 187, 7, 0.02);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.payment-method.active {
    border-color: #09BB07;
    background: rgba(9, 187, 7, 0.05);
    box-shadow: 0 0 0 4px rgba(9, 187, 7, 0.1);
}

.payment-method.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: #f5f5f5;
}

.payment-method-content {
    display: flex;
    align-items: center;
    gap: 16px;
}

.payment-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    border-radius: 8px;
}

.payment-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.payment-name {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    display: flex;
    align-items: center;
    gap: 8px;
}

.payment-desc {
    font-size: 13px;
    color: #999;
}

.payment-check {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid #e5e5e5;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.payment-method.active .payment-check {
    opacity: 1;
    background: #09BB07;
    border-color: #09BB07;
}

.payment-method.active .payment-check svg {
    stroke: white;
}

.badge-disabled {
    font-size: 12px;
    padding: 2px 8px;
    background: #ff6b6b;
    color: white;
    border-radius: 4px;
    font-weight: 500;
}

/* ===================== 支付弹窗 ===================== */
.payment-modal-content {
    max-width: 500px;
    text-align: center;
}

.payment-modal-body {
    padding: 40px 30px;
}

.payment-amount {
    margin-bottom: 30px;
}

.amount-label {
    font-size: 14px;
    color: #999;
    margin-bottom: 8px;
}

.amount-value {
    font-size: 36px;
    font-weight: 700;
    color: #09BB07;
}

.qrcode-container {
    width: 280px;
    height: 280px;
    margin: 0 auto 30px;
    border: 2px solid #e5e5e5;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    position: relative;
    overflow: hidden;
}

.qrcode-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #09BB07;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.qrcode-loading p {
    color: #999;
    font-size: 14px;
}

.qrcode-container img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.payment-tips {
    margin-bottom: 24px;
}

.payment-tips p {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
}

.tips-secondary {
    font-size: 13px !important;
    color: #999 !important;
}

.payment-countdown {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    color: #666;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 8px;
}

.countdown-time {
    font-weight: 600;
    color: #ff6b6b;
    font-size: 16px;
}