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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8eb 100%);
    color: #2c3e50;
    min-height: 100vh;
}

.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    color: #2c3e50;
    padding: 16px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header .search-box {
    display: flex;
    align-items: center;
    background: #f8f9fa;
    border-radius: 50px;
    padding: 4px;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.header .search-box:focus-within {
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.06), 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.header .search-box input {
    padding: 14px 20px;
    border: none;
    outline: none;
    width: 380px;
    background: transparent;
    font-size: 15px;
    color: #2c3e50;
}

.header .search-box input::placeholder {
    color: #95a5a6;
}

.header .search-box button {
    padding: 12px 28px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 50px;
    color: white;
    cursor: pointer;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.header .search-box button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.container {
    max-width: 1400px;
    margin: 32px auto;
    padding: 0 24px;
}

.category-filter {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 24px;
    border-radius: 16px;
    margin-bottom: 32px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.category-filter h3 {
    margin-bottom: 18px;
    color: #2c3e50;
    font-size: 20px;
    font-weight: 600;
}

.category-filter a {
    display: inline-block;
    padding: 10px 24px;
    margin: 6px;
    background: #f8f9fa;
    color: #5a6c7d;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.category-filter a:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.category-filter a.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 28px;
}

.product-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.product-image-wrapper {
    position: relative;
    overflow: hidden;
    height: 360px;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8eb 100%);
}

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

.product-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    padding: 20px;
    opacity: 0;
    transform: translateY(100%);
    transition: all 0.4s ease;
}

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

.product-info {
    padding: 24px;
}

.product-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #2c3e50;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.product-subtitle {
    font-size: 14px;
    color: #7f8c8d;
    margin-bottom: 16px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.6;
}

.product-price {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 16px;
}

.current-price {
    color: #e74c3c;
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.current-price span {
    font-size: 16px;
    margin-right: 2px;
    font-weight: 600;
}

.original-price {
    color: #95a5a6;
    text-decoration: line-through;
    font-size: 14px;
    font-weight: 500;
}

.tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    font-weight: 600;
    font-size: 12px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tag.new {
    background: linear-gradient(135deg, #00b894 0%, #00cec9 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 184, 148, 0.3);
}

.tag.hot {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.3);
}

.pagination {
    display: flex;
    justify-content: center;
    margin-top: 48px;
    gap: 8px;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    color: #2c3e50;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.pagination a:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.pagination span.current {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.empty {
    text-align: center;
    padding: 100px 20px;
    color: #7f8c8d;
}

.empty-icon {
    font-size: 80px;
    margin-bottom: 24px;
    opacity: 0.5;
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 16px;
    }

    .header .search-box input {
        width: 100%;
        max-width: 300px;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }

    .product-image-wrapper {
        height: 320px;
    }
}