/* 全局重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333333;
    background: #FFFFFF;
}

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

a:hover {
    text-decoration: none;
}

.zh_page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Banner 主横幅区域 */
.zh_banner {
    position: relative;
    height: 600px;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.9) 0%, rgba(21, 101, 192, 0.9) 100%), url('https://images.unsplash.com/photo-1591488320449-011701bb6704?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2071&q=80') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.zh_banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.3);
    z-index: 1;
}

.zh_banner_content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
}

.zh_banner_title {
    margin-bottom: 40px;
}

.zh_banner_title h1 {
    color: #FFFFFF;
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.zh_banner_subtitle {
    color: #E3F2FD;
    font-size: 20px;
    font-weight: 300;
    margin-bottom: 15px;
}

.zh_banner_description {
    color: #BBDEFB;
    font-size: 16px;
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto 40px;
}

/* 搜索区域 */
.zh_search_section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.zh_category_tags {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.zh_category_tag {
    background: rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
    padding: 8px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.zh_category_tag:hover,
.zh_category_tag.active {
    background: #FF6F00;
    color: #FFFFFF;
    border-color: #FF6F00;
    transform: translateY(-2px);
}

.zh_search_box {
    display: flex;
    max-width: 500px;
    margin: 0 auto 20px;
    background: #FFFFFF;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.zh_search_input {
    flex: 1;
    padding: 15px 20px;
    border: none;
    font-size: 16px;
    outline: none;
}

.zh_search_input::placeholder {
    color: #999999;
}

.zh_search_btn {
    background: #FF6F00;
    color: #FFFFFF;
    border: none;
    padding: 15px 25px;
    cursor: pointer;
    font-size: 18px;
    transition: background 0.3s ease;
}

.zh_search_btn:hover {
    background: #E65100;
}

.zh_hot_tags {
    text-align: center;
}

.zh_hot_tags_label {
    color: #FFFFFF;
    font-size: 14px;
    margin-right: 15px;
    opacity: 0.8;
}

.zh_hot_tag {
    color: #FFFFFF;
    text-decoration: none;
    font-size: 14px;
    margin: 0 10px;
    padding: 4px 12px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.zh_hot_tag:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
}

/* 特色功能区域 */
.zh_features {
    padding: 80px 20px;
    background: #FAFAFA;
}

.zh_container {
    max-width: 1200px;
    margin: 0 auto;
}

.zh_features_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.zh_feature_item {
    background: #FFFFFF;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.zh_feature_item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.zh_feature_icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #1E3A8A, #1565C0);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: #FFFFFF;
    font-size: 36px;
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.zh_feature_item:hover .zh_feature_icon {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(30, 58, 138, 0.4);
}

.zh_feature_title {
    font-size: 22px;
    font-weight: 600;
    color: #212121;
    margin-bottom: 15px;
}

.zh_feature_desc {
    color: #757575;
    line-height: 1.6;
    font-size: 16px;
}

/* 内容区域标题 */
.zh_section_title {
    text-align: center;
    margin-bottom: 60px;
}

.zh_title_main {
    font-size: 36px;
    font-weight: 700;
    color: #212121;
    margin-bottom: 15px;
    text-decoration: none;
}

.zh_title_highlight {
    color: #FF6F00;
}

.zh_title_sub {
    font-size: 18px;
    color: #757575;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
}

/* 产品展示区域 */
.zh_products {
    padding: 80px 20px;
    background: #FFFFFF;
}

.zh_product_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.zh_product_card {
    background: #FFFFFF;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.zh_product_card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.zh_product_image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.zh_product_image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.zh_product_card:hover .zh_product_image img {
    transform: scale(1.05);
}

.zh_product_overlay {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 50px;
    height: 50px;
    background: rgba(255, 111, 0, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-size: 20px;
}

.zh_product_info {
    padding: 25px;
}

.zh_product_title {
    font-size: 18px;
    font-weight: 600;
    color: #212121;
    margin-bottom: 12px;
    line-height: 1.4;
    text-decoration: none;
}

.zh_product_card a {
    text-decoration: none;
}

.zh_product_card a:hover .zh_product_title {
    color: #1565C0;
}

.zh_product_desc {
    color: #757575;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.zh_product_meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #F5F5F5;
}

.zh_product_price {
    color: #FF6F00;
    font-weight: 600;
    font-size: 16px;
}

.zh_product_btn {
    background: #1565C0;
    color: #FFFFFF;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.3s ease;
}

.zh_product_btn:hover {
    background: #0D47A1;
    color: #FFFFFF;
}

/* 专业显卡区域 */
.zh_professional {
    padding: 80px 20px;
    background: linear-gradient(135deg, #1E3A8A 0%, #1565C0 100%);
    color: #FFFFFF;
    position: relative;
    overflow: hidden;
}

.zh_professional::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1555617778-02234c26a1dd?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80') center/cover;
    opacity: 0.1;
}

.zh_professional .zh_container {
    position: relative;
    z-index: 2;
}

.zh_professional .zh_title_main {
    color: #FFFFFF;
}

.zh_professional .zh_title_sub {
    color: #E3F2FD;
}

.zh_professional_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.zh_professional_item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

.zh_professional_item:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
}

.zh_professional_image {
    width: 100%;
    height: 150px;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 20px;
}

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

.zh_professional_title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #FFFFFF;
}

.zh_professional_desc {
    color: #E3F2FD;
    font-size: 14px;
    line-height: 1.6;
}

.zh_more_btn {
    background: #FF6F00;
    color: #FFFFFF;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s ease;
    margin: 0 auto;
    display: block;
    text-align: center;
    max-width: 200px;
}

.zh_more_btn:hover {
    background: #E65100;
    color: #FFFFFF;
    transform: translateY(-2px);
}

/* 工业显卡区域 */
.zh_industrial {
    padding: 80px 20px;
    background: #FFFFFF;
}

.zh_industrial_content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.zh_industrial_image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.zh_industrial_image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.zh_industrial_info {
    padding: 20px 0;
}

.zh_industrial_features {
    margin: 30px 0;
}

.zh_feature_list_item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    padding: 20px;
    background: #F8F9FA;
    border-radius: 8px;
    border-left: 4px solid #26A69A;
}

.zh_feature_list_icon {
    width: 50px;
    height: 50px;
    background: #26A69A;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-size: 20px;
    margin-right: 15px;
    flex-shrink: 0;
}

.zh_feature_list_text h4 {
    font-size: 16px;
    font-weight: 600;
    color: #212121;
    margin-bottom: 8px;
}

.zh_feature_list_text p {
    color: #757575;
    font-size: 14px;
    line-height: 1.6;
}

/* 图片滚动展示区域 */
.zh_gallery {
    padding: 80px 20px;
    background: #F5F5F5;
    overflow: hidden;
}

.zh_gallery_scroll {
    display: flex;
    animation: zh_scroll 30s linear infinite;
    gap: 20px;
}

.zh_gallery_item {
    flex-shrink: 0;
    width: 300px;
    height: 200px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.zh_gallery_item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.zh_gallery_item:hover img {
    transform: scale(1.1);
}

@keyframes zh_scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .zh_banner_title h1 {
        font-size: 36px;
    }
    
    .zh_features_grid,
    .zh_product_grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
    }
    
    .zh_industrial_content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .zh_banner {
        height: 500px;
    }
    
    .zh_banner_title h1 {
        font-size: 28px;
    }
    
    .zh_banner_subtitle {
        font-size: 18px;
    }
    
    .zh_banner_description {
        font-size: 14px;
    }
    
    .zh_search_section {
        padding: 20px;
    }
    
    .zh_category_tags {
        gap: 10px;
    }
    
    .zh_category_tag {
        padding: 6px 15px;
        font-size: 13px;
    }
    
    .zh_title_main {
        font-size: 28px;
    }
    
    .zh_features,
    .zh_products,
    .zh_professional,
    .zh_industrial,
    .zh_gallery {
        padding: 60px 15px;
    }
    
    .zh_features_grid,
    .zh_product_grid,
    .zh_professional_grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .zh_banner_title h1 {
        font-size: 24px;
    }
    
    .zh_search_box {
        flex-direction: column;
    }
    
    .zh_search_btn {
        border-radius: 0 0 8px 8px;
    }
    
    .zh_feature_item,
    .zh_professional_item {
        padding: 25px 20px;
    }
    
    .zh_product_card .zh_product_info {
        padding: 20px;
    }
}