/* ==========================================================================
   Cross-Border E-Commerce Storefront - Style Sheet (style.css)
   ========================================================================== */

:root {
    --primary: #111827;
    --primary-hover: #1f2937;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-light: #eff6ff;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --border-color: #e2e8f0;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.5;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
    background: none;
}

input, select, textarea {
    font-family: inherit;
    outline: none;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 1. Announcement Bar (跨境促销与全球免邮提示) */
.announcement-bar {
    background: #0f172a;
    color: #cbd5e1;
    font-size: 13px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.announcement-center {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.announcement-center .badge-pill {
    background: #e11d48;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
}

.currency-selector-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
}

.currency-select {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    padding: 2px 8px;
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.currency-select:hover {
    background: rgba(255, 255, 255, 0.18);
}

/* 2. Main Header */
.site-header {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--primary);
}

.brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent) 0%, #4f46e5 100%);
    color: #ffffff;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.brand-badge {
    font-size: 10px;
    background: var(--accent-light);
    color: var(--accent);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    margin-left: 4px;
}

/* Search Bar */
.header-search {
    flex: 1;
    max-width: 480px;
    position: relative;
}

.search-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input {
    width: 100%;
    padding: 10px 16px 10px 42px;
    font-size: 14px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-full);
    background: #f1f5f9;
    transition: var(--transition);
}

.search-input:focus {
    background: #ffffff;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.search-icon {
    position: absolute;
    left: 15px;
    color: var(--text-muted);
    pointer-events: none;
}

.clear-search-btn {
    position: absolute;
    right: 12px;
    color: var(--text-light);
    font-size: 14px;
    display: none;
}

.clear-search-btn:hover {
    color: var(--text-main);
}

/* Header Action Icons */
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.action-btn {
    position: relative;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.action-btn:hover {
    background: #f1f5f9;
    color: var(--accent);
}

.action-icon {
    font-size: 20px;
}

.badge-count {
    position: absolute;
    top: 2px;
    right: 4px;
    background: var(--accent);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    border-radius: 9px;
    text-align: center;
    padding: 0 4px;
}

.admin-portal-link {
    background: var(--primary);
    color: #ffffff !important;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.admin-portal-link:hover {
    background: var(--accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* 3. Hero Section */
.hero-banner {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #ffffff;
    padding: 60px 0 70px 0;
    position: relative;
    overflow: hidden;
}

.hero-banner::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.25) 0%, rgba(37, 99, 235, 0) 70%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 40px;
    position: relative;
    z-index: 1;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 13px;
    color: #38bdf8;
    margin-bottom: 18px;
    font-weight: 600;
}

.hero-title {
    font-size: 42px;
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.hero-title span {
    background: linear-gradient(90deg, #60a5fa, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 16px;
    color: #94a3b8;
    margin-bottom: 28px;
    max-width: 520px;
}

.hero-cta-group {
    display: flex;
    gap: 14px;
    align-items: center;
}

.btn-primary {
    background: var(--accent);
    color: #ffffff;
    padding: 12px 26px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(37, 99, 235, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.hero-image-wrap {
    position: relative;
    text-align: center;
    z-index: 2;
}

/* 主推商品实拍图卡片 */
.hero-media-card {
    width: 100%;
    aspect-ratio: 1 / 1;
    background: #ffffff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-8deg) rotateX(4deg);
    transition: var(--transition);
}

.hero-image-wrap:hover .hero-media-card {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.02);
}

.hero-media-card img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 16px;
    opacity: 1;
    transition: opacity 0.25s ease;
}

.hero-media-card img.is-fading {
    opacity: 0;
}

/* 主推商品小图切换条 */
.hero-thumbs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.hero-thumb {
    width: 62px;
    height: 62px;
    padding: 2px;
    border-radius: var(--radius-md);
    background: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.25);
    overflow: hidden;
    transition: var(--transition);
}

.hero-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.hero-thumb:hover {
    border-color: rgba(255, 255, 255, 0.65);
    transform: translateY(-2px);
}

.hero-thumb.active {
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.28);
}

/* 4. Trust Value Features (跨境四大承诺) */
.features-strip {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding: 32px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-box {
    display: flex;
    align-items: center;
    gap: 14px;
}

.feature-icon-box {
    width: 46px;
    height: 46px;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.feature-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 2px;
}

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

/* 5. Main Catalog Section */
.catalog-section {
    padding: 48px 0 80px 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 16px;
}

.section-title {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--primary);
}

.section-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Category Filter Bar & Sorting */
.controls-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #ffffff;
    padding: 12px 18px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 14px;
}

.category-pills {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
}

.category-pills::-webkit-scrollbar {
    display: none;
}

.category-pill {
    padding: 7px 16px;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-full);
    background: #f1f5f9;
    color: var(--text-muted);
    white-space: nowrap;
    transition: var(--transition);
}

.category-pill:hover {
    background: #e2e8f0;
    color: var(--text-main);
}

.category-pill.active {
    background: var(--primary);
    color: #ffffff;
}

.sort-group {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
}

.sort-select {
    padding: 6px 12px;
    font-size: 13px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: #ffffff;
    color: var(--text-main);
    cursor: pointer;
    font-weight: 500;
}

/* 6. Product Cards Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.product-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    position: relative;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: #cbd5e1;
}

.card-media {
    position: relative;
    width: 100%;
    padding-top: 100%; /* 1:1 Aspect Ratio */
    background: #f8fafc;
    overflow: hidden;
}

.card-img-link {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    z-index: 1;
}

.card-media img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.45s ease;
}

/* 多图商品：悬停时淡入第二张图 */
.card-media img.card-img-hover {
    opacity: 0;
    z-index: 2;
}

.product-card:hover .card-media img.card-img-hover {
    opacity: 1;
    transform: scale(1.08);
}

.product-card:hover .card-media img {
    transform: scale(1.08);
}

/* 图片数量角标 */
.card-img-count {
    position: absolute;
    top: 12px;
    right: 52px;
    background: rgba(15, 23, 42, 0.72);
    color: #ffffff;
    font-size: 10px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    backdrop-filter: blur(4px);
    z-index: 2;
}

.card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--primary);
    color: #ffffff;
    font-size: 10px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: var(--shadow-sm);
    z-index: 2;
}

.badge-sale {
    background: #e11d48;
}

.card-wishlist-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 34px;
    height: 34px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    font-size: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    z-index: 2;
}

.card-wishlist-btn:hover {
    color: #ef4444;
    transform: scale(1.1);
}

.card-wishlist-btn.active {
    color: #ef4444;
}

.card-actions-hover {
    position: absolute;
    bottom: 12px;
    left: 12px;
    right: 12px;
    display: flex;
    gap: 8px;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 3;
}

.product-card:hover .card-actions-hover {
    opacity: 1;
    transform: translateY(0);
}

.btn-quick-view {
    flex: 1;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(4px);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    padding: 9px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

.btn-quick-view:hover {
    background: var(--primary);
    color: #ffffff;
}

.btn-add-cart-quick {
    width: 36px;
    height: 36px;
    background: var(--accent);
    color: #ffffff;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.btn-add-cart-quick:hover {
    background: var(--accent-hover);
    transform: scale(1.05);
}

.card-content {
    padding: 16px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card-category {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--accent);
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.card-title {
    font-size: 15px;
    font-weight: 700;
    line-height: 1.35;
    color: var(--primary);
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 40px;
}

.card-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: #eab308;
    margin-bottom: 12px;
}

.rating-count {
    color: var(--text-light);
    font-size: 11px;
    margin-left: 2px;
}

.card-footer-info {
    margin-top: auto;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
}

.card-pricing {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.price-current {
    font-size: 18px;
    font-weight: 800;
    color: var(--primary);
}

.price-original {
    font-size: 13px;
    color: var(--text-light);
    text-decoration: line-through;
}

.stock-status-pill {
    font-size: 11px;
    font-weight: 600;
    color: var(--success);
    white-space: nowrap;
}

.stock-status-pill.is-out {
    color: var(--danger);
}

/* Empty State for Search / Filter */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px dashed var(--border-color);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 14px;
}

.empty-state-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
}

.empty-state-desc {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 20px;
}

/* 7. Slide-out Cart Drawer */
.cart-drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.cart-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 440px;
    height: 100%;
    background: #ffffff;
    box-shadow: var(--shadow-xl);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.cart-drawer.active {
    transform: translateX(0);
}

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

.cart-title {
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-close-drawer {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text-muted);
    transition: var(--transition);
}

.btn-close-drawer:hover {
    background: #f1f5f9;
    color: var(--text-main);
}

.cart-shipping-progress {
    background: #f8fafc;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-muted);
}

.progress-bar-bg {
    width: 100%;
    height: 6px;
    background: #e2e8f0;
    border-radius: 3px;
    margin-top: 6px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--success);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.cart-items-list {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.cart-item {
    display: flex;
    gap: 14px;
    padding-bottom: 16px;
    border-bottom: 1px solid #f1f5f9;
    align-items: center;
}

.cart-item-img {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-md);
    object-fit: cover;
    background: #f8fafc;
    flex-shrink: 0;
}

.cart-item-details {
    flex: 1;
}

.cart-item-title {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cart-item-price {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
}

.cart-qty-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.qty-counter {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.qty-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--text-main);
    background: #f8fafc;
    transition: var(--transition);
}

.qty-btn:hover {
    background: #e2e8f0;
}

.qty-display {
    width: 32px;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
}

.btn-item-remove {
    font-size: 12px;
    color: var(--danger);
    font-weight: 500;
}

.btn-item-remove:hover {
    text-decoration: underline;
}

.cart-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    background: #ffffff;
}

.cart-summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 15px;
    margin-bottom: 8px;
}

.cart-summary-row.total {
    font-size: 18px;
    font-weight: 800;
    color: var(--primary);
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px dashed var(--border-color);
}

.cart-checkout-btn {
    width: 100%;
    margin-top: 14px;
    padding: 14px;
    background: var(--accent);
    color: #ffffff;
    font-weight: 700;
    font-size: 15px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
}

.cart-checkout-btn:hover {
    background: var(--accent-hover);
    box-shadow: var(--shadow-md);
}

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

/* 8. Quick View Modal */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(6px);
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    transition: var(--transition);
}

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

.quickview-modal {
    background: #ffffff;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 820px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    position: relative;
    transform: scale(0.95);
    transition: var(--transition);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-backdrop.active .quickview-modal {
    transform: scale(1);
}

.btn-close-modal {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    background: #f1f5f9;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text-muted);
    transition: var(--transition);
    z-index: 10;
}

.btn-close-modal:hover {
    background: #e2e8f0;
    color: var(--text-main);
}

.quickview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.quickview-image-wrap {
    background: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.quickview-image-wrap img {
    max-width: 100%;
    max-height: 420px;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.quickview-info {
    padding: 36px;
    display: flex;
    flex-direction: column;
}

.quickview-category {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.quickview-title {
    font-size: 22px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 12px;
}

.quickview-pricing {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 16px;
}

.quickview-price {
    font-size: 26px;
    font-weight: 800;
    color: var(--primary);
}

.quickview-original {
    font-size: 16px;
    color: var(--text-light);
    text-decoration: line-through;
}

.quickview-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}

.quickview-cta-row {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-top: auto;
}

.btn-modal-add-cart {
    flex: 1;
    background: var(--primary);
    color: #ffffff;
    font-weight: 700;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-modal-add-cart:hover {
    background: var(--accent);
}

.modal-detail-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 14px;
    padding: 10px 16px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.modal-detail-link:hover {
    border-color: var(--primary);
    background: var(--bg-soft);
    color: var(--primary);
}

/* 9. Toast Notification System */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    background: #0f172a;
    color: #ffffff;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
    pointer-events: auto;
    border-left: 4px solid var(--accent);
}

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

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

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* 10. Footer Section */
.site-footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 60px 0 24px 0;
    border-top: 1px solid #1e293b;
    font-size: 14px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-col-title {
    color: #ffffff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 18px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-newsletter-text {
    margin-bottom: 14px;
    line-height: 1.5;
}

.newsletter-form {
    display: flex;
    gap: 8px;
}

.newsletter-input {
    flex: 1;
    background: #1e293b;
    border: 1px solid #334155;
    color: #ffffff;
    padding: 9px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.newsletter-btn {
    background: var(--accent);
    color: #ffffff;
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
}

.newsletter-btn:hover {
    background: var(--accent-hover);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid #1e293b;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.payment-badges {
    display: flex;
    gap: 8px;
}

.pay-badge {
    background: #1e293b;
    color: #cbd5e1;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-desc {
        margin: 0 auto 24px auto;
    }
    .hero-cta-group {
        justify-content: center;
    }
    .quickview-grid {
        grid-template-columns: 1fr;
    }
    .quickview-image-wrap img {
        max-height: 260px;
    }
    .quickview-info {
        padding: 24px;
    }
    .header-search {
        display: none; /* 移动端精简头部 */
    }
}

@media (max-width: 560px) {
    /* 小屏头部精简：隐藏按钮文字与副标识，避免头部溢出裁切 */
    .header-inner {
        gap: 10px;
    }
    .brand-logo {
        font-size: 19px;
    }
    .brand-badge {
        display: none;
    }
    .action-btn > span:not(.action-icon):not(.badge-count) {
        display: none;
    }
    .header-actions {
        gap: 6px;
    }
    .action-btn {
        padding: 8px 6px;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
}