/* ==================== 商城样式 ==================== */

:root {
    --shop-primary: #c9a227;
    --shop-primary-dark: #a88a1f;
    --shop-secondary: #8b5cf6;
    --shop-bg-dark: #0a0e1a;
    --shop-bg-card: rgba(20, 30, 48, 0.85);
    --shop-text: #e2e8f0;
    --shop-text-muted: #94a3b8;
    --shop-border: rgba(201, 162, 39, 0.2);
    --shop-success: #22c55e;
    --shop-danger: #ef4444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Serif SC', 'Playfair Display', serif;
    background: linear-gradient(135deg, #0a0e1a 0%, #1a1f35 50%, #0f172a 100%);
    color: var(--shop-text);
    min-height: 100vh;
    line-height: 1.6;
}

/* 头部导航 */
.shop-header {
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--shop-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}

/* 搜索框 */
.header-search {
    flex: 1;
    max-width: 400px;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--shop-border);
    border-radius: 25px;
    overflow: hidden;
    transition: all 0.3s;
}

.header-search:focus-within {
    border-color: var(--shop-primary);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 15px rgba(201, 162, 39, 0.2);
}

.search-input {
    flex: 1;
    padding: 10px 18px;
    background: transparent;
    border: none;
    color: var(--shop-text);
    font-size: 14px;
    outline: none;
}

.search-input::placeholder {
    color: var(--shop-text-muted);
}

.search-btn {
    padding: 10px 15px;
    background: transparent;
    border: none;
    color: var(--shop-primary);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.search-btn:hover {
    background: rgba(201, 162, 39, 0.15);
}

/* 语言切换 */
.lang-switch {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--shop-border);
    border-radius: 20px;
    color: var(--shop-text);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.lang-btn:hover {
    border-color: var(--shop-primary);
    background: rgba(201, 162, 39, 0.1);
}

.lang-icon {
    font-size: 16px;
}

.lang-arrow {
    font-size: 10px;
    opacity: 0.6;
    transition: transform 0.2s;
}

.lang-switch.active .lang-arrow {
    transform: rotate(180deg);
}

.lang-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 130px;
    background: rgba(26, 31, 53, 0.98);
    border: 1px solid var(--shop-border);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s;
    z-index: 200;
}

.lang-switch.active .lang-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    color: var(--shop-text);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.lang-option:hover {
    background: rgba(201, 162, 39, 0.15);
    color: var(--shop-primary);
}

.lang-option.active {
    background: rgba(201, 162, 39, 0.2);
    color: var(--shop-primary);
}

.shop-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--shop-primary);
}

.shop-logo .logo-icon {
    font-size: 32px;
}

.shop-logo .logo-text {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 2px;
}

.shop-logo .logo-sub {
    font-size: 12px;
    color: var(--shop-text-muted);
    margin-top: 2px;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-link {
    color: var(--shop-text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link:hover {
    color: var(--shop-primary);
}

.cart-btn {
    background: linear-gradient(135deg, var(--shop-primary) 0%, var(--shop-primary-dark) 100%);
    color: #0a0e1a;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    position: relative;
}

.cart-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(201, 162, 39, 0.4);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--shop-danger);
    color: white;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 主横幅 */
.shop-banner {
    background: linear-gradient(135deg, rgba(201, 162, 39, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    padding: 60px 20px;
    text-align: center;
    border-bottom: 1px solid var(--shop-border);
}

.banner-title {
    font-size: 42px;
    color: var(--shop-primary);
    margin-bottom: 15px;
    text-shadow: 0 2px 10px rgba(201, 162, 39, 0.3);
}

.banner-subtitle {
    font-size: 18px;
    color: var(--shop-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* 分类标签 */
.category-tabs {
    max-width: 1400px;
    margin: 30px auto;
    padding: 0 20px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.category-tab {
    background: var(--shop-bg-card);
    border: 1px solid var(--shop-border);
    color: var(--shop-text-muted);
    padding: 10px 24px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
}

.category-tab:hover,
.category-tab.active {
    background: linear-gradient(135deg, var(--shop-primary) 0%, var(--shop-primary-dark) 100%);
    color: #0a0e1a;
    border-color: var(--shop-primary);
}

/* 商品网格 */
.products-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.section-title {
    font-size: 24px;
    color: var(--shop-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

/* 商品卡片 */
.product-card {
    background: var(--shop-bg-card);
    border: 1px solid var(--shop-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s;
    position: relative;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(201, 162, 39, 0.2);
    border-color: var(--shop-primary);
}

.product-image {
    width: 100%;
    aspect-ratio: 1 / 1;  /* 正方形 */
    background: linear-gradient(135deg, rgba(201, 162, 39, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    position: relative;
    overflow: hidden;
}

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

.product-category-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--shop-primary);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
}

.product-info {
    padding: 20px;
}

.product-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--shop-text);
    margin-bottom: 8px;
}

.product-desc {
    font-size: 14px;
    color: var(--shop-text-muted);
    margin-bottom: 12px;
    line-height: 1.6;
}

.product-effect,
.product-wearing {
    font-size: 13px;
    color: var(--shop-text-muted);
    margin-bottom: 10px;
    line-height: 1.5;
    padding: 8px 12px;
    background: rgba(201, 162, 39, 0.08);
    border-radius: 8px;
    border-left: 3px solid var(--shop-primary);
}

.effect-label,
.wearing-label {
    color: var(--shop-primary);
    font-weight: 500;
    margin-right: 4px;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-price {
    font-size: 22px;
    font-weight: 700;
    color: var(--shop-primary);
}

.product-price .currency {
    font-size: 14px;
    margin-right: 2px;
}

.add-to-cart-btn {
    background: linear-gradient(135deg, var(--shop-primary) 0%, var(--shop-primary-dark) 100%);
    color: #0a0e1a;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.add-to-cart-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(201, 162, 39, 0.4);
}

.add-to-cart-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 购物车侧边栏 */
.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.cart-overlay.active {
    opacity: 1;
    visibility: visible;
}

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -450px;
    width: 450px;
    max-width: 100%;
    height: 100vh;
    background: var(--shop-bg-dark);
    border-left: 1px solid var(--shop-border);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: right 0.3s;
}

.cart-sidebar.active {
    right: 0;
}

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

.cart-title {
    font-size: 20px;
    color: var(--shop-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.cart-close {
    background: none;
    border: none;
    color: var(--shop-text-muted);
    font-size: 28px;
    cursor: pointer;
    transition: color 0.2s;
}

.cart-close:hover {
    color: var(--shop-text);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.cart-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--shop-text-muted);
}

.cart-empty .empty-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.cart-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    background: var(--shop-bg-card);
    border: 1px solid var(--shop-border);
    border-radius: 12px;
    margin-bottom: 15px;
}

.cart-item-image {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    background: rgba(201, 162, 39, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    flex-shrink: 0;
    overflow: hidden;
}

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

.cart-item-info {
    flex: 1;
    min-width: 0;
}

.cart-item-name {
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--shop-text);
}

.cart-item-price {
    color: var(--shop-primary);
    font-weight: 600;
    margin-bottom: 10px;
}

.cart-item-qty {
    display: flex;
    align-items: center;
    gap: 10px;
}

.qty-btn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--shop-border);
    background: var(--shop-bg-dark);
    color: var(--shop-text);
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.2s;
}

.qty-btn:hover {
    border-color: var(--shop-primary);
    color: var(--shop-primary);
}

.qty-value {
    min-width: 30px;
    text-align: center;
    font-weight: 600;
}

.cart-item-remove {
    color: var(--shop-danger);
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    margin-left: auto;
}

.cart-footer {
    padding: 20px;
    border-top: 1px solid var(--shop-border);
    background: rgba(10, 14, 26, 0.95);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.cart-total-label {
    font-size: 16px;
    color: var(--shop-text-muted);
}

.cart-total-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--shop-primary);
}

.checkout-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--shop-primary) 0%, var(--shop-primary-dark) 100%);
    color: #0a0e1a;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
}

.checkout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(201, 162, 39, 0.4);
}

.checkout-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 结算弹窗 */
.checkout-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    padding: 20px;
}

.checkout-modal.active {
    opacity: 1;
    visibility: visible;
}

.checkout-content {
    background: var(--shop-bg-dark);
    border: 1px solid var(--shop-border);
    border-radius: 20px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.checkout-header {
    padding: 25px;
    border-bottom: 1px solid var(--shop-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.checkout-title {
    font-size: 22px;
    color: var(--shop-primary);
}

.checkout-close {
    background: none;
    border: none;
    color: var(--shop-text-muted);
    font-size: 28px;
    cursor: pointer;
}

.checkout-body {
    padding: 25px;
}

.checkout-section {
    margin-bottom: 25px;
}

.checkout-section-title {
    font-size: 16px;
    color: var(--shop-primary);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group {
    margin-bottom: 15px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    color: var(--shop-text-muted);
    font-size: 14px;
}

.form-label .required {
    color: var(--shop-danger);
}

.form-input {
    width: 100%;
    padding: 12px 15px;
    background: var(--shop-bg-card);
    border: 1px solid var(--shop-border);
    border-radius: 8px;
    color: var(--shop-text);
    font-size: 14px;
    transition: border-color 0.2s;
}

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

.form-input::placeholder {
    color: var(--shop-text-muted);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.order-summary {
    background: var(--shop-bg-card);
    border: 1px solid var(--shop-border);
    border-radius: 12px;
    padding: 20px;
}

.summary-items {
    margin-bottom: 15px;
    max-height: 200px;
    overflow-y: auto;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--shop-border);
    font-size: 14px;
}

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

.summary-item-name {
    color: var(--shop-text);
}

.summary-item-price {
    color: var(--shop-text-muted);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
}

.summary-total {
    border-top: 1px solid var(--shop-border);
    padding-top: 15px;
    margin-top: 10px;
}

.summary-total .summary-label {
    font-size: 18px;
    font-weight: 600;
}

.summary-total .summary-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--shop-primary);
}

/* 支付方式选择 */
.payment-methods {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.payment-method {
    flex: 1;
    padding: 20px;
    background: var(--shop-bg-card);
    border: 2px solid var(--shop-border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

.payment-method:hover,
.payment-method.active {
    border-color: var(--shop-primary);
}

.payment-method.active {
    background: rgba(201, 162, 39, 0.1);
}

.payment-method .method-icon {
    font-size: 32px;
    margin-bottom: 10px;
}

.payment-method .method-name {
    font-weight: 600;
    margin-bottom: 5px;
}

.payment-method .method-desc {
    font-size: 12px;
    color: var(--shop-text-muted);
}

.payment-method .method-badge {
    background: var(--shop-success);
    color: white;
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 10px;
    margin-top: 8px;
    display: inline-block;
}

.place-order-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--shop-primary) 0%, var(--shop-primary-dark) 100%);
    color: #0a0e1a;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.place-order-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(201, 162, 39, 0.4);
}

.place-order-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 支付弹窗 */
.payment-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    z-index: 1200;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    padding: 20px;
}

.payment-modal.active {
    opacity: 1;
    visibility: visible;
}

.payment-content {
    background: var(--shop-bg-dark);
    border: 1px solid var(--shop-border);
    border-radius: 20px;
    width: 100%;
    max-width: 500px;
    text-align: center;
    padding: 30px;
}

.payment-header {
    margin-bottom: 25px;
}

.payment-title {
    font-size: 22px;
    color: var(--shop-primary);
    margin-bottom: 10px;
}

.payment-order-no {
    font-size: 14px;
    color: var(--shop-text-muted);
}

.payment-amount {
    font-size: 36px;
    font-weight: 700;
    color: var(--shop-primary);
    margin: 25px 0;
}

.payment-qr {
    background: white;
    padding: 20px;
    border-radius: 12px;
    display: inline-block;
    margin-bottom: 20px;
}

.payment-qr img,
.payment-qr canvas {
    max-width: 200px;
}

.payment-address {
    background: var(--shop-bg-card);
    border: 1px solid var(--shop-border);
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 20px;
}

.payment-address-label {
    font-size: 12px;
    color: var(--shop-text-muted);
    margin-bottom: 8px;
}

.payment-address-value {
    font-family: monospace;
    font-size: 14px;
    word-break: break-all;
    color: var(--shop-text);
    margin-bottom: 10px;
}

.copy-btn {
    background: var(--shop-primary);
    color: #0a0e1a;
    border: none;
    padding: 8px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}

.copy-btn:hover {
    background: var(--shop-primary-dark);
}

.payment-timer {
    color: var(--shop-text-muted);
    margin-bottom: 20px;
}

.payment-timer .timer-value {
    color: var(--shop-danger);
    font-weight: 600;
}

.payment-status {
    padding: 15px;
    background: rgba(201, 162, 39, 0.1);
    border-radius: 10px;
    color: var(--shop-primary);
}

.payment-actions {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.payment-actions button {
    flex: 1;
    padding: 12px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary {
    background: var(--shop-bg-card);
    border: 1px solid var(--shop-border);
    color: var(--shop-text);
}

.btn-primary {
    background: linear-gradient(135deg, var(--shop-primary) 0%, var(--shop-primary-dark) 100%);
    border: none;
    color: #0a0e1a;
}

/* 页脚 */
.shop-footer {
    background: rgba(10, 14, 26, 0.95);
    border-top: 1px solid var(--shop-border);
    padding: 40px 20px;
    text-align: center;
    margin-top: 60px;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
}

.footer-link {
    color: var(--shop-text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--shop-primary);
}

.footer-email {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 15px;
    color: var(--shop-text-muted);
    font-size: 14px;
}

.footer-email .email-icon {
    font-size: 16px;
}

.footer-email .email-link {
    color: var(--shop-primary);
    text-decoration: none;
    transition: all 0.2s;
}

.footer-email .email-link:hover {
    color: var(--shop-text);
    text-decoration: underline;
}

.footer-copyright {
    color: var(--shop-text-muted);
    font-size: 13px;
}

/* Toast 提示 */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--shop-bg-card);
    border: 1px solid var(--shop-border);
    border-radius: 10px;
    padding: 15px 25px;
    z-index: 9999;
    animation: slideIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast.success {
    border-color: var(--shop-success);
}

.toast.error {
    border-color: var(--shop-danger);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 加载状态 */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(201, 162, 39, 0.3);
    border-top-color: var(--shop-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* 响应式 */
@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
        gap: 10px;
        padding: 12px 15px;
    }
    
    .shop-logo {
        order: 1;
    }
    
    .header-nav {
        order: 2;
        gap: 8px;
    }
    
    .header-search {
        order: 3;
        flex: 1 1 100%;
        max-width: 100%;
    }
    
    .lang-btn .lang-text {
        display: none;
    }
    
    .lang-btn {
        padding: 8px 10px;
    }
    
    .back-home-btn span:last-child {
        display: none;
    }
    
    .cart-btn span:nth-child(2) {
        display: none;
    }
    
    .banner-title {
        font-size: 28px;
    }
    
    .banner-subtitle {
        font-size: 14px;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 15px;
    }
    
    .cart-sidebar {
        width: 100%;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .payment-methods {
        flex-direction: column;
    }
    
    .payment-actions {
        flex-direction: column;
    }
}

/* PayPal 按钮容器 */
#paypal-button-container {
    margin-top: 20px;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--shop-text-muted);
}

.empty-state .empty-icon {
    font-size: 80px;
    margin-bottom: 20px;
}

.empty-state p {
    font-size: 18px;
    margin-bottom: 20px;
}

.empty-state .back-btn {
    color: var(--shop-primary);
    text-decoration: none;
}

/* 返回主页按钮 */
.back-home-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--shop-text-muted);
    text-decoration: none;
    font-size: 14px;
    padding: 10px 0;
    transition: color 0.2s;
}

.back-home-btn:hover {
    color: var(--shop-primary);
}