:root {
    --product-list-primary-color: #f46969;
    --secondary-color: #f7931e;
    --accent-color: #ff4757;
    --success-color: #2ed573;
    --warning-color: #ffa502;
    --danger-color: #ff3838;
    --dark-color: #2f3542;
    --light-color: #ffffff;
    --gray-light: #f1f2f6;
    --gray-medium: #ddd;
    --gray-dark: #57606f;
    --shadow-light: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-medium: 0 4px 8px rgba(0,0,0,0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

* {
    box-sizing: border-box;
}

body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif;
    background: #f5f5f5;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.product-index {
    background: #ffffff;
    margin: 20px auto;
    max-width: 1200px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    overflow: hidden;
}

.page-header {
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.page-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin: 0;
}

.filter-bar {
    background: #ffffff;
    padding: 20px;
    border-bottom: 1px solid var(--gray-medium);
}

.filter-controls {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--dark-color);
    font-weight: 500;
}

.filter-item select,
.filter-item input {
    padding: 8px 12px;
    border: 1px solid var(--gray-medium);
    border-radius: 4px;
    background: white;
    color: var(--dark-color);
    font-size: 14px;
    min-width: 120px;
}

.filter-item select:focus,
.filter-item input:focus {
    outline: none;
    border-color: var(--product-list-primary-color);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 30px 20px;
}

.product-card {
    background: white;
    border: 1px solid #e8e8e8;
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.product-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.product-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: #f8f8f8;
}

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

.product-image:hover img {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: var(--danger-color);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    z-index: 2;
}

.product-info {
    padding: 15px;
}

.product-title {
    font-size: 14px;
    line-height: 1.4;
    margin-bottom: 10px;
    height: 40px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    color: var(--dark-color);
    font-weight: 500;
}

.product-title a {
    color: inherit;
    text-decoration: none;
}

.product-title a:hover {
    color: var(--product-list-primary-color);
}

.product-shop {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--gray-dark);
    margin-bottom: 12px;
    padding: 4px 8px;
    background: var(--gray-light);
    border-radius: 12px;
    width: fit-content;
}

.shop-icon {
    font-size: 12px;
}

.product-price {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
    padding: 10px;
    background: #fff5f5;
    border-radius: 6px;
    border: 1px solid #ffe0e0;
}

.price-main {
    display: flex;
    align-items: center;
    gap: 8px;
}

.current-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--danger-color);
}

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

.discount-badge {
    background: var(--danger-color);
    color: white;
    padding: 2px 6px;
    border-radius: 8px;
    font-size: 10px;
    font-weight: 600;
}

.promotion-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 15px;
}

.promotion-tag {
    background: var(--warning-color);
    color: white;
    padding: 3px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 600;
}

.product-actions {
    display: flex;
    gap: 8px;
}

.btn-modern {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

/* 主按钮 - 自然蓝绿色 */
.btn-primary-modern {
    background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary-modern:hover {
    background: linear-gradient(135deg, #3a7bc8 0%, #2a5d8f 100%);
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);
}

/* 次按钮 - 自然橙色 */
.btn-secondary-modern {
    background: linear-gradient(135deg, #ff8a65 0%, #ff7043 100%);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary-modern:hover {
    background: linear-gradient(135deg, #ff7043 0%, #ff5722 100%);
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 138, 101, 0.3);
}

/* 为空状态页面的按钮添加特殊样式 */
.empty-state .btn-primary-modern {
    background: linear-gradient(135deg, #66bb6a 0%, #4caf50 100%);
    padding: 14px 28px;
    font-size: 14px;
    border-radius: 25px;
}

.empty-state .btn-primary-modern:hover {
    background: linear-gradient(135deg, #5cb85c 0%, #449d48 100%);
    box-shadow: 0 6px 16px rgba(102, 187, 106, 0.3);
}

/* 响应式优化 */
@media (max-width: 480px) {
    .btn-modern {
        padding: 10px 14px;
        font-size: 12px;
    }
    
    .product-actions {
        flex-direction: column;
        gap: 6px;
    }
}

.btn-primary-modern {
    background: var(--product-list-primary-color);
    color: white;
}

.btn-primary-modern:hover {
    background: #e55a2b;
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
}

.btn-secondary-modern {
    background: var(--warning-color);
    color: white;
}

.btn-secondary-modern:hover {
    background: #e6940a;
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
}

.stats-bar {
    background: #ffffff;
    color: var(--dark-color);
    padding: 20px;
    border-bottom: 1px solid var(--gray-medium);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stats-left {
    display: flex;
    align-items: center;
    gap: 30px;
}

.stats-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--product-list-primary-color);
}

.stats-label {
    font-size: 0.9rem;
    color: var(--gray-dark);
    font-weight: 500;
}

.pagination-wrapper {
    text-align: center;
    padding: 30px 20px;
    background: #ffffff;
}

.pagination-modern {
    display: inline-flex;
    gap: 5px;
    background: white;
    padding: 10px;
    border-radius: 20px;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--gray-medium);
}

.pagination-modern .btn {
    min-width: 35px;
    height: 35px;
    border-radius: 18px;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-weight: 600;
    font-size: 13px;
    text-decoration: none;
}

.pagination-modern .btn-primary {
    background: var(--product-list-primary-color);
    color: white;
}

.pagination-modern .btn-default {
    background: #f8f8f8;
    color: var(--dark-color);
    border: 1px solid var(--gray-medium);
}

.pagination-modern .btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-light);
}

.empty-state {
    text-align: center;
    padding: 80px 30px;
    background: #ffffff;
    color: var(--dark-color);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.6;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--dark-color);
}

.empty-state p {
    font-size: 1rem;
    color: var(--gray-dark);
    margin-bottom: 20px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        padding: 5px 5px;
    }
    
    .product-index {
        margin: 0;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .stats-bar {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .filter-controls {
        justify-content: center;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .product-price {
        flex-direction: column;
        gap: 8px;
        text-align: center;
        padding: 5px !important;
    }
    
    .page-header h1 {
        font-size: 1.6rem;
    }
    
    .page-header {
        padding: 30px 15px;
    }
}

/* 页面头部样式更新 */
.page-header {
    background: linear-gradient(135deg, #ff6600 0%, #ff8533 100%);
    color: white;
    padding: 30px 0;
    margin-bottom: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(255, 102, 0, 0.2);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header-left h1 {
    margin: 0 0 8px 0;
    font-size: 28px;
    font-weight: 600;
}

.page-subtitle {
    margin: 0;
    opacity: 0.9;
    font-size: 14px;
}

/* 搜索容器 */
.search-container {
    min-width: 400px;
    transition: all 0.3s ease;
}

.search-container.search-compact {
    min-width: 300px;
}

.search-form {
    position: relative;
}

/* 搜索栏样式优化 - 彻底修复高度对齐问题 */
.search-bar {
    background: #fff;
    padding: 20px 0;
    border-bottom: 1px solid #e8e8e8;
}

.search-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.search-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.search-input-group {
    display: flex;
    align-items: stretch; /* 改为stretch，让子元素填满容器高度 */
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 6px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    height: 48px;
    position: relative;
}

.search-input {
    flex: 1;
    padding: 0 16px !important;
    border: none !important;
    background: transparent !important;
    font-size: 16px;
    outline: none !important;
    color: #333;
    height: 100% !important; /* 改为100%，填满父容器 */
    line-height: normal !important; /* 改为normal */
    box-sizing: border-box !important;
    margin: 0 !important;
    order: 1;
    box-shadow: none !important;
    border-radius: 0 !important;
    vertical-align: top !important; /* 改为top */
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
}

.search-btn {
    padding: 0 20px !important;
    background: #007bff !important;
    border: none !important;
    color: white !important;
    cursor: pointer;
    transition: background-color 0.3s ease;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    height: 100% !important; /* 改为100%，填满父容器 */
    min-width: 60px;
    order: 2;
    box-shadow: none !important;
    border-radius: 0 !important;
    line-height: 1 !important;
    margin: 0 !important;
    box-sizing: border-box !important;
    vertical-align: top !important; /* 改为top */
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
    font-family: inherit !important;
}

.search-btn:hover {
    background: #0056b3 !important;
}

.search-btn:focus {
    outline: none !important;
    box-shadow: none !important;
}

.search-btn i {
    font-size: 16px;
    line-height: 1;
    display: block;
}

/* 额外的重置样式 */
.search-input-group input[type="text"] {
    height: 44px !important;
    line-height: 44px !important;
    padding: 0 16px !important;
    border: none !important;
    background: transparent !important;
}

.search-input-group button[type="submit"] {
    height: 44px !important;
    line-height: 1 !important;
    padding: 0 20px !important;
    border: none !important;
    background: #007bff !important;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .search-container {
        padding: 0 15px;
    }
    
    .search-input-group {
        height: 44px;
    }
    
    .search-input {
        font-size: 15px;
        height: 40px !important;
        line-height: 40px !important;
    }
    
    .search-btn {
        min-width: 50px;
        height: 40px !important;
    }
    
    .search-input-group input[type="text"] {
        height: 40px !important;
        line-height: 40px !important;
    }
    
    .search-input-group button[type="submit"] {
        height: 40px !important;
    }
}

.search-keywords {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #f1f3f4;
    border-radius: 4px;
    font-size: 14px;
    margin-top: 10px;
}

.search-label {
    color: #666;
    font-weight: 500;
}

.search-term {
    color: #007bff;
    font-weight: 600;
    background: #e3f2fd;
    padding: 2px 8px;
    border-radius: 3px;
}

.clear-search {
    color: #999;
    text-decoration: none;
    font-size: 18px;
    font-weight: bold;
    padding: 2px 6px;
    border-radius: 3px;
    transition: all 0.2s ease;
}

.clear-search:hover {
    color: #dc3545;
    background: #f8d7da;
    text-decoration: none;
}

/* 筛选栏样式优化 */
.filter-bar {
    background: #fff;
    padding: 15px 0;
    margin-bottom: 20px;
    border-bottom: 1px solid #e8e8e8;
}

.filter-controls {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.filter-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #666;
    font-weight: 500;
    white-space: nowrap;
}

.filter-item i {
    color: #007bff;
}

.category-filters {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.category-item {
    padding: 6px 16px;
    background: #f8f9fa;
    color: #666;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
    white-space: nowrap;
}

.category-item:hover {
    background: #e9ecef;
    color: #333;
    text-decoration: none;
}

.category-item.active {
    background: #007bff;
    color: white;
    border-color: #007bff;
}

.category-item.active:hover {
    background: #0056b3;
    border-color: #0056b3;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .search-container {
        padding: 0 15px;
    }
    
    .search-input-group {
        height: 44px;
    }
    
    .search-input {
        font-size: 15px;
    }
    
    .search-btn {
        min-width: 50px;
    }
    
    .filter-controls {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .category-filters {
        gap: 8px;
    }
    
    .category-item {
        padding: 5px 12px;
        font-size: 13px;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .search-container {
        min-width: 100%;
        max-width: 400px;
    }
    
    .search-container.search-compact {
        min-width: 100%;
    }
}

/* 强制重置搜索框样式 */
.search-input-group * {
    box-sizing: border-box !important;
    vertical-align: top !important;
}

.search-input-group input,
.search-input-group button {
    height: 100% !important;
    border: none !important;
    margin: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    line-height: normal !important;
}

/* 针对Bootstrap可能的样式覆盖 */
.search-input-group .form-control {
    height: 100% !important;
    border: none !important;
    box-shadow: none !important;
}

.search-input-group .btn {
    height: 100% !important;
    border: none !important;
    border-radius: 0 !important;
}