/* ===== Sino Parts 统一样式文件 ===== */
/* 合并了 main.css, components.css, common.css, category-page.css 的内容 */

/* ===== 导入文件 ===== */
@import url('variables.css');
@import url('responsive.css');

/* ===== 全局样式设置 ===== */
/* 视觉隐藏但屏幕阅读器可见的类 */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;

}

/* 全局字体设置 */
* {
    font-family: var(--font-primary);
    margin: 0;
    padding: 0;
    box-sizing: border-box;

}

html {
    scroll-behavior: smooth;
    color: var(--text-color);
    background-color: var(--secondary-color);

}

body {
    font-family: var(--font-primary);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--secondary-color);

}


/* ===== 通用工具类 ===== */
/* 间距工具类 */
.margin-0 { margin: 0 !important; }
.padding-0 { padding: 0 !important; }
.margin-auto { margin: 0 auto !important; }
.padding-auto { padding: 0 auto !important; }
/* 文本工具类 */
.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }
/* 颜色工具类 */
.text-primary { color: var(--primary-color) !important; }
.text-white { color: var(--text-white) !important; }
.text-dark { color: var(--text-dark) !important; }
.text-muted { color: var(--text-muted) !important; }
.bg-primary { background-color: var(--primary-color) !important; }
.bg-white { background-color: var(--secondary-color) !important; }
.bg-light { background-color: var(--background-light) !important; }
.bg-gray { background-color: var(--background-gray) !important; }
/* 字体大小工具类 */
.text-xs { font-size: var(--font-size-xs) !important; }
.text-sm { font-size: var(--font-size-sm) !important; }
.text-md { font-size: var(--font-size-md) !important; }
.text-lg { font-size: var(--font-size-lg) !important; }
.text-xl { font-size: var(--font-size-xl) !important; }
.text-2xl { font-size: var(--font-size-2xl) !important; }
.text-3xl { font-size: var(--font-size-3xl) !important; }
.text-4xl { font-size: var(--font-size-4xl) !important; }
.text-5xl { font-size: var(--font-size-5xl) !important; }
.text-6xl { font-size: var(--font-size-6xl) !important; }
.text-7xl { font-size: var(--font-size-7xl) !important; }
.text-8xl { font-size: var(--font-size-8xl) !important; }

/* ===== 通用段落文本样式 ===== */
p, .description {
    font-family: var(--font-primary);
    font-weight: 400;
    font-size: var(--font-size-md);
    color: var(--text-muted);
    line-height: 1.328125;
    margin: 0;
}

/* ===== 通用标题样式 ===== */
.section-title {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: var(--font-size-2xl);
    line-height: 1.329;
    color: var(--primary-color);
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.section-title.center {
    text-align: center;
}

.section-title.center::after {
    left: 50%;
    transform: translateX(-50%);
}

.section-title.left {
    text-align: left;
}

.section-title.left::after {
    left: 0;
    transform: none;
}

/* Sino Parts 汽车零部件公司官网 - 优化后的主要样式文件 */


/* ===== 通用Banner样式 ===== */
/* 通用Banner区域样式 */
.banner-section {
    margin-top: 126px; /* 为固定头部留出空间 */
    position: relative;
    height: 300px;
    overflow: hidden;
}

.banner-bg {
    position: relative;
    width: 100%;
    height: 100%;
    background-color: var(--primary-color);
    background-size: cover;
    background-position: center 50%; /* 背景图片位置上移20% */
    background-repeat: no-repeat;
}

/* 通用Banner覆盖层样式（适用于Products和Services页面） */
.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-color); /* 主题色红色 */
    mix-blend-mode: multiply; /* 混合模式为multiply */
    z-index: 1;
}

/* 通用居中Banner内容样式（适用于Products和Services页面） */
.banner-content {
    position: absolute;
    top: 50%;
    left: 50%; /* 位置改为屏幕居中 */
    transform: translate(-50%, -50%); /* 水平和垂直都居中 */
    text-align: center; /* 居中对齐 */
    z-index: 3; /* 确保在overlay之上 */
}

/* 通用Banner标题样式 */
.banner-title {
    font-family: var(--font-condensed);
    font-weight: 700;
    font-size: var(--font-size-8xl);
    line-height: 1.6;
    color: var(--text-white); /* 白色文字，确保在深色背景上可见 */
    text-align: center; /* 居中对齐 */
    margin: 0;
    max-width: 626px; /* 默认最大宽度，可根据页面需要调整 */
}

.banner-title .highlight { 
    color: var(--text-white); 
}

.banner-subtitle {
    font-family: var(--font-secondary);
    font-weight: 400;
    font-size: var(--font-size-3xl);
    line-height: 1.5;
    color: var(--text-white);
    text-align: center;
    margin: 20px 0 0 0;
    max-width: 600px;
}

/* ===== 页面特定Banner样式 ===== */
/* Home页面专用Banner样式 - 完全独立，避免与通用样式冲突 */
.home-page .banner {
    position: relative;
    height: 533px;
    margin-top: 124px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.home-page .banner-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/banner-bg.jpg');
    background-size: cover;
    background-position: center;
}

.home-page .banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    background-color: var(--primary-color);
    mix-blend-mode: multiply;
    z-index: 1;
}

.home-page .banner-content {
    position: absolute;
    left: 15%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    color: var(--text-white);
    max-width: 600px;
}

.home-page .banner-title {
    font-family: var(--font-condensed);
    font-weight: 700;
    font-size: var(--font-size-8xl);
    line-height: 1.6;
    color: var(--text-white);
    text-align: left;
    margin: 0 0 var(--spacing-md) 0;
}

.home-page .banner-subtitle {
    font-family: var(--font-condensed);
    font-weight: 400;
    font-size: var(--font-size-3xl);
    line-height: 1.5;
    color: var(--text-white);
    text-align: left;
    margin: 0;
}

.home-page .banner-indicators-left {
    position: absolute;
    left: 80px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 20px;
    z-index: 10;
}

.home-page .banner-indicators-left .indicator {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.2);
    border: 2px solid var(--text-white);
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    padding: var(--spacing-xs);
    background: none;
    font-family: inherit;
}

.home-page .banner-indicators-left .indicator.active {
    background-color: var(--text-white);
    border-color: var(--text-white);
    color: var(--primary-color);
}

.home-page .banner-indicators-left .indicator:hover {
    background-color: var(--text-white);
    color: var(--primary-color);
    transform: scale(1.1);
}

/* ===== 产品分类页通用样式 ===== */
/* 适用于所有产品分类页：sensors, ac-system, cooling, brakes等 */
/* 完全基于category-page.css的原始样式，确保与原始设计一致 */

/* Category Info Section */
.category-info-section {
    padding: var(--spacing-xs) 0;
    background: linear-gradient(135deg, var(--background-light) 0%, var(--border-gray) 100%);
}

.category-info {
    justify-content: center;
    align-items: center;
    display: flex;
    padding: var(--spacing-md) 0;
}

.category-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 25px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.category-stats {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-count-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.product-number {
    font-size: 64px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 8px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.product-label {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Products Gallery Section */
.products-gallery-section {
    padding: 60px 0;
    background-color: var(--text-white);
}

.products-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin: 40px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.gallery-item {
    background-color: var(--text-white);
    box-shadow: var(--shadow-medium);
    overflow: hidden;
    transition: var(--transition-fast);
    cursor: pointer;
    text-align: center;
    padding-bottom: 20px;
    position: relative;
    z-index: 1;
    /* 确保内容可见 */
    min-height: 250px;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
}

.gallery-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    margin-bottom: 15px;
}

.gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-fast);
 
    display: block;
    
}

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

.gallery-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color); /* 使用CSS变量 */
    margin: 0;
    padding: 0 15px;
    line-height: 1.4;

}


/* More Products Section */
.more-products-section {
    padding: 60px 0;
    background-color: var(--background-light);
}

.more-products-scroll {
    display: flex;
    overflow-x: auto;
    gap: 20px;
    padding: 20px 0;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--background-light-gray);
}

.more-products-scroll::-webkit-scrollbar {
    height: 8px;
}

.more-products-scroll::-webkit-scrollbar-track {
    background: var(--background-light-gray);
    border-radius: 4px;
}

.more-products-scroll::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

.more-products-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

.more-product-card {
    flex: 0 0 200px;
    background-color: var(--text-white);
    box-shadow: var(--shadow-medium);
    overflow: hidden;
    transition: var(--transition-fast);
    cursor: pointer;
    text-align: center;
    padding-bottom: 15px;
    position: relative;
    z-index: 1;
}

.more-product-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

.more-product-image {
    width: 100%;
    height: 150px;
    overflow: hidden;
    margin-bottom: 12px;
}

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

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

.more-product-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
    padding: 0 12px;
    line-height: 1.3;
    margin-bottom: 8px;
}

.more-product-category {
    font-size: 12px;
    color: var(--primary-color);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Product Modal */
.product-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
}

.product-modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--text-white);
    max-width: 900px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.8);
    transition: transform var(--transition-fast);
}

.product-modal.show .modal-content {
    transform: scale(1);
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 32px;
    color: var(--text-secondary);
    cursor: pointer;
    z-index: 1;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.close-btn:hover {
    background-color: var(--background-light);
    color: var(--text-color);
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 50px;
}

.product-image-large {
    width: 100%;
    height: 300px;
    overflow: hidden;
}

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

.product-details h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 20px;
}

.product-introduction {
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.specifications,
.features,
.applications {
    margin-bottom: 25px;
}

.specifications h3,
.features h3,
.applications h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 15px;
}

.specifications ul,
.features ul,
.applications ul {
    list-style: none;
    padding: 0;
}

.specifications li,
.features li,
.applications li {
    padding: 8px 0;
    border-bottom: 1px solid var(--background-light-gray);
    font-size: 14px;
    color: var(--text-light);
}

.specifications li:last-child,
.features li:last-child,
.applications li:last-child {
    border-bottom: none;
}

/* 产品高亮样式 */
.highlighted-product {
    animation: productHighlight 3s ease-in-out;
    border: 3px solid var(--primary-color) !important;
    box-shadow: var(--shadow-glow-primary) !important;
    transform: scale(1.02);
}

@keyframes productHighlight {
    0% {
        border-color: var(--primary-color);
        box-shadow: var(--shadow-glow-primary);
        transform: scale(1);
    }
    50% {
        border-color: var(--primary-color);
        box-shadow: var(--shadow-glow-primary-heavy);
        transform: scale(1.05);
    }
    100% {
        border-color: var(--primary-color);
        box-shadow: var(--shadow-glow-primary);
        transform: scale(1.02);
    }
}

/* 高亮状态下的产品卡片样式 */
.highlighted-product .gallery-image {
    filter: brightness(1.1);
}

.highlighted-product .gallery-title {
    color: var(--primary-color);
    font-weight: 600;
}



/* ===== 横幅区域样式 ===== */
/* 通用banner样式已移至Home页面专用样式，避免冲突 */

/* ===== 页面特定Section标题样式 ===== */
/* Footer Section标题样式 */
.footer .section-title {
    font-size: var(--font-size-sm); /* 较小的字体 */
    color: var(--text-white); /* 白色文字 */
    text-align: left; /* 左对齐 */
    align-self: flex-start; /* 确保标题左对齐 */
    margin-bottom: 10px;

}

.footer .section-title::after {
    width: 37px; /* 较小的下划线 */
    height: 2px; /* 较细的下划线 */
    background-color: var(--text-white); /* 白色下划线 */
    align-self: flex-start; /* 左对齐 */
    margin-left: 0; /* 确保左边距为0 */

}

/* ===== 头部样式 ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--text-white);
    box-shadow: var(--shadow-black-medium);
}

.main-nav {
    height: 86px;
    display: flex;
    align-items: center;
    margin-top: 38px; /* 为notification-bar留出空间 */
    margin-bottom: 0;
    background-color: var(--text-white);
    box-shadow: var(--shadow-light);
    position: relative;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 47px;

}

/* Logo样式 */
.logo {
    width: 229px;
    height: 38px;
    display: flex;
    align-items: center;
}

.logo img {
    height: 100%;
    width: auto;

}

.logo svg {
    height: 100%;
    width: auto;

}

/* 导航菜单样式 */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;

}

.nav-item {
    position: relative;

}

.nav-item a {
    text-decoration: none;
    color: var(--text-dark);
    font-family: 'Futura', Arial, sans-serif;
    font-weight: 700;
    font-size: var(--font-size-lg);
    line-height: 1.329;
    transition: color var(--transition-fast);
    padding: 8px 0;
    position: relative;
}

.nav-item a:hover,
.nav-item.current-page a {
    color: var(--primary-color);

}

.nav-item.current-page a::after {
    width: 100%;
}

/* 红色下划线效果 */
.nav-item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-fast);
}

.nav-item a:hover::after {
    width: 100%;
}

/* ===== Dropdown Menu 样式 ===== */
.dropdown {
    position: relative;

}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-white);
    border: 1px solid var(--border-light);
    border-radius: 0;
    box-shadow: var(--shadow-large);
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    z-index: 1002;
    margin-top: 8px;

}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid var(--text-white);

}

.dropdown-menu::after {
    content: '';
    position: absolute;
    top: -9px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 9px solid transparent;
    border-right: 9px solid transparent;
    border-bottom: 9px solid var(--border-light);

}

.dropdown-content {
    padding: 16px;

}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--text-color) !important;
    font-family: 'Futura', Arial, sans-serif;
    font-size: var(--font-size-md);
    font-weight: 500;
    border-radius: 0;
    transition: all 0.2s ease;
    margin-bottom: 4px;
    position: relative;

}

.dropdown-item:last-child {
    margin-bottom: 0;

}

.dropdown-item:hover {
    background-color: var(--background-light) !important;
    color: var(--primary-color) !important;
    transform: translateX(4px);

}

.dropdown-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;

}

.dropdown-item span {
    white-space: nowrap;

}

/* Dropdown 显示状态 */
.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);

}

/* 确保 dropdown menu 不受父级导航项高亮状态影响 */
.dropdown.current-page .dropdown-menu {
    background: var(--text-white);
    border: 1px solid var(--border-light);

}

.dropdown.current-page .dropdown-item {
    color: var(--text-color) !important;

}

.dropdown.current-page .dropdown-item:hover {
    background-color: var(--background-light) !important;
    color: var(--primary-color) !important;
    transform: translateX(4px);

}

/* 确保 dropdown 内的链接不会继承父级的红色下划线 */
.dropdown-item::after {
    display: none !important;

}

/* 产品分类下拉菜单加载和错误状态样式 */
.loading-placeholder,
.error-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-style: italic;
}

.loading-placeholder::before {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-light);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 8px;
}

.error-placeholder {
    color: var(--error-text);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}



/* 右侧功能区样式 */
.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;

}





/* 左侧轮播指示器样式已移至Home页面专用样式，避免冲突 */

/* ===== 主要按钮样式 ===== */
.main-btn {
    background-color: var(--primary-color);
    color: var(--text-white);
    border: none;
    padding: 12px 24px;
    font-family: 'Futura', Arial, sans-serif;
    font-size: var(--font-size-md);
    font-weight: 600;
    border-radius: 0;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
    display: inline-block;
}

/* ===== 次要按钮样式 ===== */
.secondary-btn {
    background-color: var(--text-white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 10px 20px;
    font-family: 'Futura', Arial, sans-serif;
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: 0;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
    display: inline-block;
    position: relative;
    z-index: 15; /* 确保按钮在hover overlay之上 */
}

.secondary-btn:hover {
    background-color: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-2px);
}

.main-btn:hover {
    background-color: var(--brand-red);
    transform: translateY(-2px);
    box-shadow: var(--shadow-button-hover);
}

/* ===== 产品分类导航样式 ===== */
.product-categories {
    background-color: var(--text-color);
    padding: 32px 0;

}

.categories-container {
    position: relative;
    max-width: 873px;
    margin: var(--spacing-xs) auto;
    padding: var(--spacing-xs) 60px; /* 为左右箭头留出空间 */

}

.categories-scroll {
    display: flex;
    gap: 60px;
    align-items: center;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: var(--spacing-md) 0;

}

.categories-scroll::-webkit-scrollbar {
    display: none;

}

/* 产品分类导航项目样式 - 图标和文字垂直居中对齐 */
.nav-category-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: var(--transition-fast);
    min-width: 80px;
    text-align: center;
    text-decoration: none; /* 去掉链接下划线 */

}

.nav-category-item:hover {
    transform: scale(1.1); /* 保留已有的缩放效果 */

}

.nav-category-item:hover .category-icon {
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(346deg) brightness(104%) contrast(97%); /* 红色滤镜 */

}

.nav-category-item:hover .category-text {
    color: var(--primary-color); /* hover时文字变为红色 */

}

.category-text {
    color: var(--text-white);
    font-size: var(--font-size-md);
    font-weight: 500;
    transition: color var(--transition-fast);

}

/* 滚动箭头样式 */
.scroll-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    z-index: 10;
    /* 按钮样式重置 */
    padding: var(--spacing-xs);
    background: none;
    font-family: inherit;

}

.scroll-arrow:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%) scale(1.1);

}

.arrow-icon {
    width: 24px;
    height: 24px;
    filter: brightness(0) invert(1); /* 将图标改为白色 */

}

/* 左侧箭头 - 位于产品分类容器左侧 */
.scroll-arrow.left {
    left: -40px; /* 根据Figma设计稿调整位置 */

}

/* 右侧箭头 - 位于产品分类容器右侧 */
.scroll-arrow.right {
    right: -40px; /* 根据Figma设计稿调整位置 */

}


/* ===== 公司介绍区域样式 ===== */
.who-we-are {
    padding: var(--spacing-xl) 0;

}

.who-we-are-content {
    max-width: 1280px;
    margin: var(--spacing-xs) auto;
    padding: var(--spacing-xs) 20px;
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;

}

/* 左侧图片区域 */
.left-image {
    flex: 0 0 749px;
    height: 481px;
    position: relative;
    overflow: hidden;

}

.image-container {
    width: 100%;
    height: 100%;
    position: relative;

}

.company-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;

}

.experience-overlay {
    position: absolute;
    top: 58px;
    left: 129px;
    width: 239px;
    height: 295px;
    background-color: var(--primary-color);
    mix-blend-mode: multiply;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 41px 25px;
    box-sizing: border-box;

}

.experience-text {
    color: var(--text-white);
    text-align: left;
    line-height: 1.328125;

}

.main-number {
    font-family: 'Futura', Arial, sans-serif;
    font-weight: 700;
    font-size: var(--font-size-8xl);
    display: block;

}

.highlight-text {
    font-family: 'Futura', Arial, sans-serif;
    font-weight: 500;
    font-size: var(--font-size-2xl);
    display: block;
    line-height: 1.2;

}

/* 右侧内容区域 */
.right-content {
    flex: 1;
    padding-left: 60px;
    padding-top: 58px;

}

.brief-section {
    margin-bottom: 29px;

}

.subtitle {
    font-family: 'Futura', Arial, sans-serif;
    font-weight: 500;
    font-size: var(--font-size-lg);
    color: var(--text-color);
    margin: var(--spacing-xs) 0 29px 0;
    line-height: 1.328125;

}


/* ===== 服务内容区域样式 ===== */
.what-we-offer {
    padding: var(--spacing-3xl) 0;

}

.service-content {
    max-width: 1280px;
    margin: var(--spacing-xs) auto;
    padding: var(--spacing-xs) 20px;
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    position: relative;

}

.left-content {
    flex: 1;
    max-width: 600px;
    padding-right: var(--spacing-xl);

}

/* 统计网格 */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    max-width: 500px;
    margin: 40px 0; /* 上下留40px距离 */

}

.stat-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    min-height: 80px;

}

.stat-icon {
    position: absolute;
    top: 0;
    right: 0;
    width: 70px;
    filter: brightness(0) saturate(100%) invert(95%) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(94%) contrast(86%);
    opacity: 0.3;
    z-index: 1;
    pointer-events: none;

}

.stat-number {
    position: relative;
    z-index: 2;
    width: 100%;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: var(--font-size-5xl);
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);

}

/* 整合stat-label和stat-sublabel样式，使用feature-title的样式 */
.stat-label{
    position: relative;
    z-index: 2;
    width: 100%;
    font-family: var(--font-primary);
    font-weight: 400;
    font-size: var(--font-size-lg);
    color: var(--text-color);
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;

}

.right-images {
    flex: 1;
    position: relative;
    height: 400px;

}

/* 统一的右侧图片样式 */
.right-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 46%;
    object-fit: cover;
    box-shadow: var(--shadow-medium);
    transition: var(--transition-medium);
    transform: translateY(30px);
    opacity: 0;

}

.right-image.loaded {
    transform: translateY(0);
    opacity: 1;

}

.right-image:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);

}

/* 仓库图片位置 */
.warehouse-image {
    top: -20px; /* 往上移动20px */
    left: 0;

}

/* 引擎图片位置 */
.engine-image {
    top: 20%; /* 从40%调整到20%，往上移动 */
    right: 0;
    left: auto;

}


/* ===== 优势特点区域样式 ===== */
.why-choose-us {
    padding: var(--spacing-4xl) 0;

}

.why-choose-us-content {
    position: relative;
    width: 100%;
    height: 680px;

}

/* 背景图片 */
.background-image {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translateY(50px); /* 居中对齐并保持动画 */
    width: 100%;
    height: 500px; /* 设置固定高度，比卡片高度672px小 */
    background-image: url('../images/why-choose-us-bg.jpg');
    background-size: cover;
    background-position: center;
    z-index: 1;
    opacity: 1; /* 修复：改为1，确保背景图片可见 */
    transition: all 0.8s ease;

}

.background-image.loaded {
    transform: translate(-50%, -50%) translateY(0); /* 居中对齐 */
    opacity: 1;

}

.background-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;

}

/* 内容卡片 */
.content-card {
    position: absolute;
    z-index: 2;
    background-color: var(--text-white);
    box-shadow: var(--shadow-black-heavy);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translateY(50px); /* 居中对齐并保持动画 */
    padding: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 1; /* 修复：改为1，确保内容卡片可见 */
    transition: all 0.8s ease;
    justify-content: flex-start; /* 改为从顶部开始排列 */
    overflow: visible; /* 改为visible，确保标题和内容都显示 */
    box-sizing: border-box; /* 确保padding不会增加总宽度 */

}

/* 特点列表 */
.features-list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    width: 100%; /* 改为100%，确保不超出卡片 */
    max-width: 464px; /* 设置最大宽度 */
    margin-top: 20px; /* 为标题留出空间 */

}

/* 动画状态类 */
.why-choose-us.animate .background-image {
    opacity: 1;
    transform: translate(-50%, -50%) translateY(0);

}

.why-choose-us.animate .content-card {
    opacity: 1;
    transform: translate(-50%, -50%) translateY(0);

}

.why-choose-us .feature-item {
    display: flex;
    flex-direction: column; /* 改为垂直布局，红点和文本上下排列 */
    gap: 0;
    width: 100%;
    align-items: center;

}

.why-choose-us .feature-dot {
    width: 9px;
    height: 9px;
    background-color: var(--primary-color);
    border-radius: 0;
    flex-shrink: 0;

}

.why-choose-us .feature-content {
    flex: 1;
    text-align: center;
    width: 100%;

}

.feature-title {
    font-family: var(--font-primary);
    font-weight: 400;
    font-size: var(--font-size-lg);
    color: var(--text-color);
    margin: var(--spacing-xs) 0 12px 0;
    line-height: 1.329;

}


/* ===== 产品类别网格样式 ===== */
.product-category-grid {
    padding: var(--spacing-xl) 0;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;

}

.product-category-grid.loaded {
    opacity: 1;
    transform: translateY(0);
}

.product-category-grid .container {
    max-width: 1280px;
    margin: var(--spacing-xs) auto;
    padding: var(--spacing-xs) 20px;
    position: relative; /* 修复：添加相对定位，确保绝对定位的子元素能正确定位 */

}

.category-row {
    display: flex;
    gap: 24px;
    margin-bottom: 24px;
    align-items: center;
    justify-content: center;

}

.category-item {
    width: 200px;
    height: 200px;
    background-color: var(--secondary-color);
    box-shadow: var(--shadow-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    cursor: pointer;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
    text-decoration: none; /* 去掉链接下划线 */

}

.category-item.loaded {
    transform: translateY(0);
    opacity: 1;

}

.category-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);

}

.category-image {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    object-fit: contain;

}

/* 重命名为category-item-info，避免与产品分类页的category-info冲突 */
.category-item-info {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-xs);

}

.category-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;

}

.category-name {
    font-family: var(--font-primary);
    font-weight: 400;
    font-size: var(--font-size-md);
    color: var(--text-color);
    text-align: left;
    flex: 1;
    transition: var(--transition-fast);
    padding: 0 var(--spacing-xs);

}

.category-item:hover .category-name {
    color: var(--primary-color);

}

.intro-card {
    width: 241px;
    height: 186px;
    box-shadow: var(--shadow-light);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-fast);
    transform: translateY(0); /* 修复：改为0，确保卡片可见 */
    opacity: 1; /* 修复：改为1，确保卡片可见 */

}

.intro-card.loaded {
    transform: translateY(0);
    opacity: 1;

}

.intro-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);

}

.intro-card.red-bg {
    height: 249px;

}

.intro-card.red-bg .card-content {
    position: absolute;
    top: 30px; /* 从顶部30px开始，而不是从底部20px */
    left: 20px;
    right: 20px;
    color: var(--secondary-color);
    display: flex;
    flex-direction: column;
    gap: 15px;

}

.intro-card.red-bg .description {
    color: var(--text-white); /* 文字内容改为白色 */

}

.intro-card.red-bg .description p {
    color: var(--text-white); /* 确保段落文字也是白色 */
    margin: var(--spacing-xs);

}

.intro-card.red-bg .secondary-btn {
    background-color: transparent;
    color: var(--text-white);
    border: 2px solid var(--text-white);
    align-self: flex-start; /* 按钮左对齐 */

}

.intro-card.red-bg .secondary-btn:hover {
    background-color: var(--text-white);
    color: var(--primary-color);

}

.intro-card.black-bg {
    height: 200px;

}

.intro-card.black-bg .card-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;

}

.card-background {
    width: 100%;
    height: 100%;

}

.card-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 1;

}

/* 灰色logo背景元素 */
.sino-logo-background {
    position: absolute;
    bottom: 0;
    right: -200px;
    width: 600px;
    height: 196px;
    background-image: url('../images/categories/grey-bg-sino.svg');
    background-repeat: no-repeat;
    background-position: bottom;
    background-size: contain;
    z-index: 0;
    opacity: 1; /* 修复：改为1，确保灰色logo背景可见 */
    transition: var(--transition-medium);

}

.sino-logo-background.loaded {
    opacity: 1;

}

.third-row {
    padding-right: 0;

}

.third-row .category-item {
    z-index: 2;

}

/* ===== 通用面包屑样式 ===== */
.breadcrumb-section {
    background-color: var(--background-dark);
    padding: 14px 0;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    color: var(--text-muted);
    margin-left: 8px;
}

.breadcrumb-link {
    font-family: var(--font-primary);
    font-weight: 400;
    font-size: 12px;
    color: var(--text-white);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb-link a {
    color: var(--text-white);
    text-decoration: none;
}

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

.breadcrumb-current {
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 12px;
    color: var(--secondary-color);
}

/* ===== 页面标题样式 ===== */
.page-title {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: var(--font-size-4xl);
    line-height: 1.2;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.page-title.center {
    text-align: center;
}

/* ===== 页面特定样式 ===== */
.services-page {
    background-color: var(--text-white);
}

.products-page {
    background-color: var(--text-white);
}

.main-content {
    margin-top: 0;
    padding-top: 0;
}

/* ===== 通用描述文本样式 ===== */
.description {
    font-family: var(--font-primary);
    font-weight: 400;
    font-size: var(--font-size-md);
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

/* ===== 通用容器样式 ===== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 动画效果样式 ===== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in-up.loaded {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s ease;
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease;
}

.fade-in-left.loaded {
    opacity: 1;
    transform: translateX(0);
}

/* ===== 表单背景样式 ===== */
.form-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--background-extra-light);
    z-index: -1;
}

/* ===== 卡片悬停背景样式 ===== */
.card-hover-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.1);
    z-index: 1;
}

/* ===== 页脚样式 ===== */
.footer {
    background-color: var(--background-black);
    color: var(--text-white);
    height: 417px;
    overflow: hidden;
    position: relative;
}

.footer-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;

}

.footer-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;

}

.footer-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(35, 31, 32);
    mix-blend-mode: hard-light;
    z-index: 2;

}

.footer .container {
    position: relative;
    z-index: 3;
    height: 100%;
    display: flex;
    flex-direction: column;

}

/* 顶部区域：SINO LOGO */
.footer-top {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 60px;
    padding-bottom: 40px;
    position: relative;
    z-index: 3;
    opacity: 1; /* 修复：改为1，确保footer顶部可见 */
    transform: translateY(0); /* 修复：改为0，确保不偏移 */
    transition: all 0.6s ease;
}

.sino-logo-white {
    width: 229px;
    height: 38px;
    margin-left: 0;

}

.sino-logo-white img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.footer-top.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* 中间区域：主要内容 */
.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    position: relative;
    z-index: 3;
    flex: 1;
}

/* Footer区域通用样式 */
.footer-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
    opacity: 1; /* 修复：改为1，确保footer section可见 */
    transform: translateY(0); /* 修复：改为0，确保不偏移 */
    transition: all 0.6s ease;
}

.footer-section.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* 产品分类区域 */
.products-section {
    width: 200px;
}

.products-grid {
    display: flex;
    gap: 23px;
}

.products-column {
    display: flex;
    flex-direction: column;
    gap: 10px;
}


.products-column:first-child {
    min-width: 71px;
    flex: 1;
}

.products-column:last-child {
    min-width: 37px;
    flex: 1;
}

.products-grid {
    display: flex;
    gap: 23px;

}

.products-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);

}

.products-column:first-child {
    min-width: 71px;
    flex: 1;

}

.products-column:last-child {
    min-width: 37px;
    flex: 1;

}

/* 服务区域 */
.services-section {
    width: 96px;
}

.services-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* 关于我们区域 */
.about-section {
    width: 67px;
}

.about-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}


/* 服务 section 高亮样式 */
.highlighted-section {
    animation: sectionHighlight 3s ease-in-out;
    border: 3px solid var(--primary-color) !important;
    box-shadow: var(--shadow-glow-primary) !important;
    transform: scale(1.01);
}

@keyframes sectionHighlight {
    0% {
        border-color: var(--primary-color);
        box-shadow: var(--shadow-glow-primary);
        transform: scale(1);
    }
    50% {
        border-color: var(--primary-color);
        box-shadow: var(--shadow-glow-primary-heavy);
        transform: scale(1.02);
    }
    100% {
        border-color: var(--primary-color);
        box-shadow: var(--shadow-glow-primary);
        transform: scale(1.01);
    }
}

/* 联系信息区域 */
.contact-section {
    text-align: left;

}

.contact-title {
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--secondary-color);
    margin: 0;
    line-height: 1.331;
}

/* FREE QUOTE按钮 */
.free-quote-btn {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border: none;
    padding: 10px 19px;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: var(--font-size-md);
    line-height: 1.329;
    cursor: pointer;
    transition: var(--transition-fast);
    width: 127px;
    height: 40px;
    margin-top: 19px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-radius: 2px;
    box-shadow: var(--shadow-light);
}



.free-quote-btn:hover {
    background-color: var(--primary-dark);

}

/* 社交媒体图标在按钮下方30px */
.social-media {
    display: flex;
    gap: 20px;
    align-items: center;
    margin-top: 30px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast);

}

.social-link:hover {
    transform: scale(1.1);

}

.social-link img {
    width: 100%;
    height: 100%;
    object-fit: contain;

}

/* Footer链接样式 */
.footer-link {
    white-space: nowrap;
    font-family: var(--font-secondary);
    font-weight: 400;
    font-size: 10px;
    color: var(--secondary-color);
    text-decoration: none;
    line-height: 1.5;
    padding-top: var(--spacing-sm);
    opacity: 1; /* 修复：改为1，确保footer底部可见 */
    transform: translateY(0); /* 修复：改为0，确保不偏移 */
    transition: var(--transition-medium);
    position: relative;
    z-index: 3;
    width: 100%; /* 确保占满整个宽度 */

}

.copyright {
    font-family: var(--font-secondary);
    font-weight: 500;
    font-size: 10px;
    color: var(--secondary-color);
    margin: var(--spacing-xs) 0;
    line-height: 1.21;
    text-align: center;
    width: 100%; /* 确保文本占满容器宽度 */
}

.footer-bottom.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* 底部区域：版权信息 */
.footer-bottom {
    display: flex;
    align-items: center;
    border-top: 1px solid var(--text-white);
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s ease;
    position: relative;
    z-index: 3;
}






/* ===== 产品页面专用样式 ===== */
/* Catalogues Section */
.catalogues-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--background-light);
}

.catalogues-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 23px;
    max-width: 852px;
    margin: var(--spacing-xs) auto;
}

.catalogue-card {
    position: relative;
    height: 170px;
    border-radius: 0;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: transform var(--transition-fast);
}

.catalogue-card:hover {
    transform: translateY(-5px);

}

.catalogue-bg {
    position: relative;
    width: 100%;
    height: 100%;

}

.catalogue-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);

}

.catalogue-content {
    position: absolute;
    top: 50%;
    left: 20px; /* 靠近左侧边缘 */
    right: 20px; /* 设置右侧边界 */
    transform: translateY(-50%); /* 只垂直居中，不水平居中 */
    text-align: left; /* 文字左对齐 */
    z-index: 2;
    color: var(--secondary-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: auto;
    min-height: 120px; /* 确保有足够的高度 */

}

.catalogue-subtitle {
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: var(--font-size-lg);
    line-height: 1.328125;
    margin-bottom: 15px;
    color: var(--secondary-color);

}

.catalogue-title {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: var(--font-size-2xl);
    line-height: 1.3289999961853027;
    margin-bottom: var(--spacing-md);
    color: var(--secondary-color);

}

/* 调整catalogue卡片中按钮的位置 */
.catalogue-content .secondary-btn {
    align-self: flex-end; /* 按钮靠右对齐 */
    margin-top: auto; /* 按钮推到底部 */

}

/* Section A and B specific backgrounds */
.section-a .catalogue-bg {
    background: url('../images/section-a-bg.jpg') center/cover no-repeat;

}

.section-b .catalogue-bg {
    background: url('../images/section-b-bg.jpg') center/cover no-repeat;

}

/* Popular Categories Section */
.popular-categories-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--secondary-color);

}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 775px;
    margin: var(--spacing-xs) auto;

}

.category-card {
    background-color: var(--secondary-color);
    border-radius: 0;
    padding: 20px 14px;
    box-shadow: var(--shadow-medium);
    transition: all var(--transition-fast);
    cursor: pointer;
    height: 101px; /* 增加高度，让内容距离上下边缘有20px */
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;

}

.category-card:hover,
.category-card.active {
    transform: scale(1.05);
    box-shadow: var(--shadow-heavy);

}

.category-card.active .category-content {
    color: var(--primary-color);

}

.category-content {
    display: flex;
    flex-direction: column; /* 改为垂直排列 */
    align-items: center; /* 水平居中对齐 */
    justify-content: center; /* 垂直居中对齐 */
    gap: 8px; /* 减少icon和name之间的间距 */
    text-align: center;

}

.category-icon {
    width: 32px; /* 稍微调整宽度 */
    height: 32px; /* 保持正方形比例 */
    object-fit: contain;
    transition: filter var(--transition-fast); /* 添加过渡效果 */

}

.category-card.active .category-name {
    color: var(--primary-color);

}

/* 添加hover效果，让icon和name变为红色 */
.category-card:hover .category-icon {
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(346deg) brightness(104%) contrast(97%); /* 红色滤镜 */

}

.category-card:hover .category-name {
    color: var(--primary-color); /* hover时文字变为红色 */

}

/* Product Features Section */
.product-features-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--background-gray);

}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    max-width: 1280px;
    margin: var(--spacing-xs) auto;

}

.product-features-section .feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-direction: column;

}

.product-features-section .feature-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;

}

.feature-icon-img {
    width: 100%;
    height: 100%;
    object-fit: contain;

}

.feature-content {
    flex: 1;

}

.feature-title {
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    line-height: 1.328125;
    color: var(--background-dark);
    margin-bottom: 6px;
    text-align: center;

}

.feature-description {
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 10px;
    line-height: 1.328125;
    color: var(--text-muted);
    margin: var(--spacing-xs);
    text-align: center;

}


/* ===== Service Page Styles ===== */
/* SINO PARTS Service Section */
.sino-service-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--text-white);
}

/* 服务页面动画效果 */
.sino-service-section .service-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;

}

.sino-service-section .service-left.loaded {
    opacity: 1;
    transform: translateX(0);

}

.sino-service-section .service-image {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease 0.2s;

}

.sino-service-section .service-image.loaded {
    opacity: 1;
    transform: translateY(0);

}

.sino-service-section .service-stats {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease;

}

.sino-service-section .service-stats.loaded {
    opacity: 1;
    transform: translateX(0);

}

.sino-service-section .stat-item {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;

}

.sino-service-section .stat-item.loaded {
    opacity: 1;
    transform: translateY(0);

}

/* Mission & Vision 卡片动画 */
.mission-vision-section .mission-card {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;

}

.mission-vision-section .mission-card.loaded {
    opacity: 1;
    transform: translateY(0);

}

/* Quality Control Section */
.quality-control-section {
    position: relative;
    background-color: var(--text-white);
    padding: var(--spacing-3xl) 0;
}

.quality-bg {
    width: 100%;
    height: 892px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.quality-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--background-dark);
    mix-blend-mode: hard-light;
}

.quality-content {
    position: relative;
    z-index: 2;
    max-width: 879px;
    margin: var(--spacing-xs) auto;
    padding: 109px 0;
}

.quality-description p {
    max-width: 660px;
    margin: 40px 0;
    color: var(--text-white);
}

.qc-cards-row {
    display: flex;
    align-items: flex-start;
    gap: 21px;
    margin-bottom: 40px;
}

.qc-card {
    width: 204px;
    height: 204px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 0;
    padding: var(--spacing-xs);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.qc-card .card-number {
    color: var(--secondary-color);
    font-family: 'Futura', Arial, sans-serif;
    font-weight: 700;
    font-size: var(--font-size-7xl);
    line-height: 1;
    margin: 0 var(--spacing-xs);
    position: relative;
    top: -30px;
}

.qc-card .card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    text-align: left;
    position: relative;
    top: -40px;
}

.qc-card .card-title {
    color: var(--secondary-color);
    font-family: 'Futura', Arial, sans-serif;
    font-weight: 500;
    font-size: var(--font-size-lg);
    line-height: 1.328125;
    margin: var(--spacing-xs);
}

.qc-card .card-description {
    color: var(--secondary-color);
    font-family: 'Futura', Arial, sans-serif;
    font-weight: 500;
    font-size: var(--font-size-sm);
    line-height: 1.328125;
    margin: var(--spacing-xs);
}

/* Quality Control 卡片动画 */


.quality-control-section .certification-section {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;

}

.quality-control-section .certification-section.loaded {
    opacity: 1;
    transform: translateY(0);

}

/* Delivery Service 动画 */
.delivery-service-section .delivery-item {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;

}

.delivery-service-section .delivery-item.loaded {
    opacity: 1;
    transform: translateY(0);

}

/* After-Sale Support 动画 */
.after-sale-support-section .support-images {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;

}

.after-sale-support-section .support-images.loaded {
    opacity: 1;
    transform: translateX(0);

}

.after-sale-support-section .support-image {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;

}

.after-sale-support-section .support-image.loaded {
    opacity: 1;
    transform: translateY(0);

}

.after-sale-support-section .support-list {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease;

}

.after-sale-support-section .support-list.loaded {
    opacity: 1;
    transform: translateX(0);

}

.after-sale-support-section .support-item {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;

}

.after-sale-support-section .support-item.loaded {
    opacity: 1;
    transform: translateY(0);

}


/* 产品页面动画效果 */
.catalogues-section .catalogue-card {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;

}

.catalogues-section .catalogue-card.loaded {
    opacity: 1;
    transform: translateY(0);

}

.popular-categories-section .category-card {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;

}

.popular-categories-section .category-card.loaded {
    opacity: 1;
    transform: translateY(0);

}

.product-features-section .feature-item {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;

}

.product-features-section .feature-item.loaded {
    opacity: 1;
    transform: translateY(0);

}

/* Catalogues 页面样式 */
.newest-catalogues-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--background-extra-light);

}

.catalogues-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 60px;

}

.catalogues-left {
    position: relative;

}

.catalogue-cover {
    position: relative;
    width: 100%;
    max-width: 400px;

}

.catalogue-cover-front {
    position: relative;
    z-index: 2;
    width: 100%;
    border-radius: 8px;
    overflow: hidden;

}

.catalogue-cover-front img {
    width: 100%;
    height: auto;
    display: block;

}

.catalogue-cover-back {
    position: absolute;
    top:0;
    left: 140px;
    z-index: 1;
    width: 100%;
    border-radius: 8px;
    overflow: hidden;

}

.catalogue-cover-back img {
    width: 100%;
    height: auto;
    display: block;

}

.catalogues-right {
    display: flex;
    flex-direction: column;
    gap: 40px;

}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 20px;

}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    flex-direction: row;

}

.feature-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;

}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;

}

.feature-text {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--primary-color);
    line-height: 1.4;

}

.download-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;

}

.download-title {
    font-size: var(--font-size-xl);
    font-weight: 500;
    color: var(--text-color);
    margin: var(--spacing-xs);

}

.download-section .secondary-btn {
    padding: 12px 24px;
    font-size: var(--font-size-md);
    text-decoration: none;
    display: inline-block;

}



/* Catalogues 页面动画效果 */
.newest-catalogues-section .catalogue-cover {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;

}

.newest-catalogues-section .catalogue-cover.loaded {
    opacity: 1;
    transform: translateX(0);

}

.newest-catalogues-section .feature-item {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;

}

.newest-catalogues-section .feature-item.loaded {
    opacity: 1;
    transform: translateX(0);

}

.newest-catalogues-section .download-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;

}

.newest-catalogues-section .download-section.loaded {
    opacity: 1;
    transform: translateY(0);

}

.sino-service-section .service-content {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-top: 40px;
    padding: var(--spacing-xs);

}

.sino-service-section .service-left {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
    height: auto;

}

.sino-service-section .service-text {
    width: 100%;

}

.sino-service-section .service-image {
    width: 100%;
    height: auto;
    overflow: hidden;
    border-radius: 0;

}

.sino-service-section .service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;

}

.sino-service-section .service-stats {
    background-color: var(--primary-color);
    padding: 58px 24px;
    width: auto;
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex-shrink: 0;

}

.sino-service-section .stat-item {
    text-align: left;
    margin-bottom: var(--spacing-md);

}

.sino-service-section .stat-number {
    color: var(--text-white);
    line-height: 1;
    

}

.sino-service-section .stat-label {
    color: var(--text-white);
    
    line-height: 1;

}

/* Mission & Vision Section */
.mission-vision-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--text-white);
}

.mission-vision-section .mission-description {
    text-align: center;
    max-width: 599px;
    margin: var(--spacing-xs) auto 40px;
}

.mission-vision-grid {
    display: flex;
    gap: 37px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.mission-card {
    width: 269px;
    height: 188px;
    background-color: var(--text-white);
    border-radius: 0;
    box-shadow: var(--shadow-light);
    position: relative;
    overflow: hidden;
}

.mission-card .card-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--text-white);
}

.mission-card .card-icon {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 147px;
    opacity: 0.2;
}

.mission-card .card-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.mission-card .card-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;

}

.mission-card .card-content {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center; /* 垂直居中 */
    align-items: center; /* 水平居中 */
    gap: 35px;
    text-align: center; /* 确保文字居中 */
    position: relative;
    color: var(--secondary-color);

}

.mission-card .card-title {
    color: var(--text-color);
    font-family: 'Futura', Arial, sans-serif;
    font-weight: 500;
    font-size: var(--font-size-lg);
    line-height: 1.328125;
    text-align: center;
    margin: var(--spacing-xs);

}

.mission-card .card-description {
    color: var(--text-muted);
    font-family: 'Futura', Arial, sans-serif;
    font-weight: 500;
    font-size: var(--font-size-sm);
    line-height: 1.328125;
    text-align: center;
    margin: var(--spacing-xs);
    max-width: 206px;

}

/* Delivery Service Section */
.delivery-service-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--text-white);
    box-shadow: var(--shadow-extra);
    margin: -150px 200px 0 200px;
    border-radius: 8px;
    position: relative;
    z-index: 10;

}

.delivery-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 43px;
    padding: var(--spacing-xs) 40px;

}

.delivery-item {
    width: 250px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 30px 20px;
    background-color: var(--background-light);
    border-radius: 6px;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);

}

.delivery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);

}

.delivery-icon {
    width: 50px;
    height: 50px;

}

.delivery-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;

}

.delivery-title {
    color: var(--text-color);
    font-family: 'Futura', Arial, sans-serif;
    font-weight: 500;
    font-size: var(--font-size-lg);
    line-height: 1.328125;
    text-align: center;
    margin: var(--spacing-xs);

}

.delivery-description {
    color: var(--text-muted);
    font-family: 'Futura', Arial, sans-serif;
    font-weight: 500;
    font-size: var(--font-size-sm);
    line-height: 1.328125;
    text-align: center;
    margin: var(--spacing-xs);
    max-width: 160px;

}

/* Quality Control Section */
.quality-control-section {
    position: relative;
    background-color: var(--text-white);
    padding: var(--spacing-3xl) 0;

}

.quality-bg {
    width: 100%;
    height: 892px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;

}

.quality-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--background-dark);
    mix-blend-mode: hard-light;

}

.quality-content {
    position: relative;
    z-index: 2;
    max-width: 879px;
    margin: var(--spacing-xs) auto;
    padding: 109px 0;

}

.quality-description p {
    max-width: 660px;
    margin: 40px 0;
    color: var(--text-white);

}


.qc-card-1 {
    background-color: rgb(237, 28, 36, 0.5);

}


.qc-image {
    width: 204px;
    height: 204px;
    overflow: hidden;
    border-radius: 0;
    position: relative;

}

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

}

/* Row 1 qc-image overlay (蓝色) */
.qc-cards-row:nth-child(3) .qc-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--info-color);
    mix-blend-mode: color;
    pointer-events: none;

}

/* Row 2 qc-image overlay (黄色) */
.qc-cards-row:nth-child(4) .qc-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--warning-color);
    mix-blend-mode: color;
    pointer-events: none;

}

.certification-section {
    flex: 1;
    max-width: 654px;

}

.certification-border {
    border: 2px solid var(--text-white);
    padding: 16px;
    height: 204px;
    display: flex;
    align-items: center;
    gap: 20px;
    justify-content: space-around;

}

.certification-images {
    display: flex;
    gap: 12px;

}

.certification-images img {
    width: 124px;
    height: 174px;
    object-fit: cover;
    border-radius: 0;
    box-shadow: var(--shadow-white-glow);

}

.certification-content {
    flex: 1;
    max-width: 159px;

}

.certification-title {
    color: var(--primary-color);
    font-family: 'Futura', Arial, sans-serif;
    font-weight: 700;
    font-size: var(--font-size-xl);
    line-height: 1.3290000491672092;
    margin: var(--spacing-xs) 0 20px 0;

}

.certification-list p {
    color: var(--secondary-color);
    font-family: 'Futura', Arial, sans-serif;
    font-weight: 500;
    font-size: var(--font-size-md);
    line-height: 1.328125;
    margin: var(--spacing-xs) 0 8px 0;
    position: relative;
    padding-left: 20px;

}

.certification-list p::before {
    content: '•';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--secondary-color);
    font-size: var(--font-size-lg);
    font-weight: bold;

}

/* After-Sale Support Section */
.after-sale-support-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--text-white);

}

.after-sale-support-section .support-content {
    display: flex;
    align-items: center;
    gap: 26px;
    margin-top: 88px;

}

.support-images {
    display: flex;
    flex-direction: column;
    gap: 33px;
    width: 406px;

}

.support-image {
    width: 100%;
    height: 160px;
    overflow: hidden;
    border-radius: 0;
    position: relative;

}

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

}

.support-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;

}

.support-item {
    width: 100%;
    position: relative;
    padding-left: 25px;

}

.support-item::before {
    content: '•';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--text-color);
    font-size: var(--font-size-xl);
    font-weight: bold;

}

.support-title {
    color: var(--text-color);
    font-family: 'Futura', Arial, sans-serif;
    font-weight: 500;
    font-size: var(--font-size-lg);
    line-height: 1.328125;
    margin: var(--spacing-xs) 0 14px 0;

}

.support-description {
    color: var(--text-muted);
    font-family: 'Futura', Arial, sans-serif;
    font-weight: 500;
    font-size: var(--font-size-sm);
    line-height: 1.328125;
    margin: var(--spacing-xs);
    padding-left: 23px;

}

/* Responsive adjustments for Service page */


/* Contact 页面样式 */
.company-profile-section {
    position: relative;
    padding: var(--spacing-3xl) 0 200px 0;
    background-color: var(--background-extra-light);
    overflow: hidden;
}

.company-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.company-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
}

.company-profile-section .content {
    position: relative;
    z-index: 2;
    max-width: 563px;
    margin: var(--spacing-xs) auto;
    text-align: center;
}

.company-description {
    margin-top: 54px;
}

.company-description p {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--text-muted);
}


/* Contact Cards Section */
.contact-cards-section {
    padding: var(--spacing-2xl) 0;
    margin: -150px 200px 0 200px;
    position: relative;
    z-index: 10;

}

.contact-card-grid {
    display: flex;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
    padding: var(--spacing-xs);

}

.contact-card {
    width: 232px;
    height: 150px;
    background-color: var(--text-white);
    border-radius: 0;
    box-shadow: var(--shadow-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
    position: relative;

}

.contact-card:hover {
    transform: none;
    box-shadow: none;

}

.contact-card:nth-child(1) {
    background-color: var(--primary-color);

}

.contact-card:nth-child(2) {
    background-color: var(--placeholder-color);

}

.contact-card:nth-child(3) {
    background-color: var(--text-dark);

}

.contact-card .card-icon {
    height: 24px;
    margin-bottom: 10px;

}

.contact-card .card-title {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--text-white);
    margin-bottom: 10px;

}

.contact-card .card-content {
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--text-white);

}

/* Company Features Section */
.company-features-section {
    padding: var(--spacing-3xl) 0 0 0;
    background-color: transparent;
    margin-top: 60px;
    position: relative;

}

/* Shared background for Company Features and Contact Form sections */
.company-features-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: calc(100% + 800px);
    background-image: url('../images/contact-page/map-bg.png');
    background-size: cover;
    background-position: top;
    background-repeat: no-repeat;
    opacity: 0.3;
    z-index: -1;

}

.company-feature-grid {
    max-width: 864px;
    margin: var(--spacing-xs) auto;

}

.card-row-1,
.card-row-2 {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
}

.card-row-2 {
    justify-content: center;
}

.feature-card .card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--text-white);
}

.feature-card .card-content {
    position: relative;
    z-index: 1;
    padding: 25px 27px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.feature-card .card-title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.feature-card .card-description {
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--text-muted);
    flex-grow: 1;
}

.feature-card .card-icon {
    position: absolute;
    top: 13px;
    right: 13px;
    width: 48px;
    height: 48px;
    z-index: 1;
}

.feature-card {
    width: 268px;
    height: 205px;
    background-color: var(--text-white);
    border-radius: 0;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
    z-index: 1;
    cursor: pointer;
    transition: var(--transition-fast);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);

}

.card-hover-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-fast);
    z-index: 10;

}

.feature-card:hover .card-hover-overlay {
    opacity: 1;

}

/* Contact Form Section */
.contact-form-section {
    padding: var(--spacing-3xl) 0;
    background-color: transparent;
    position: relative;

}

.request-form {
    max-width: 880px;
    margin: var(--spacing-xs) auto;
    background-color: var(--text-white);
    border-radius: 0;
    box-shadow: var(--shadow-card);
    padding: 40px;
    position: relative;

}

.form-title {
    font-size: var(--font-size-7xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 40px;
    text-align: center;

}

.contact-form {
    margin-top: 40px;
    text-align: center;

}

.form-input {
    margin-bottom: 40px;

}

.input-row-1,
.input-row-2 {
    display: flex;
    gap: 20px;
    margin-bottom: 21px;
    align-items: flex-start;

}

.input-group {
    flex: 1;

}

.input-group input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-medium);
    border-radius: 0;
    font-size: var(--font-size-sm);
    font-family: Futura, sans-serif;

}

.input-group input::placeholder {
    color: var(--placeholder-color);

}

.input-row-3 textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-medium);
    border-radius: 0;
    font-size: var(--font-size-sm);
    font-family: Futura, sans-serif;
    resize: vertical;

}

.input-row-3 textarea::placeholder {
    color: var(--placeholder-color);

}

.tips {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    max-width: 200px;

}

.info-icon {
    width: 14px;
    height: 14px;
    flex-shrink: 0;

}

.tip-text {
    font-size: var(--font-size-sm);
    color: var(--text-color);
    line-height: 1.3;
    text-align: left;

}

/* Map Background */
.map-bg {
    position: relative;
    height: 400px;
    overflow: hidden;
    opacity: 0.3;

}


/* ===== 联系表单验证样式 ===== */
.form-input-field {
    transition: var(--transition-fast);

}

/* 字段错误提示样式 */
.field-error {
    color: var(--error-color);
    font-size: 12px;
    margin-top: 5px;
    text-align: left;
    font-family: var(--font-primary);
    padding-left: 0;
    margin-left: 0;
}

/* 表单成功提示样式 */
.form-success-message {
    background-color: var(--success-background);
    color: var(--success-text);
    border: 1px solid var(--success-border);
    padding: 16px 20px;
    margin-bottom: 20px;
    border-radius: 0;
    font-family: var(--font-primary);
    font-size: var(--font-size-md);
    text-align: center;
    animation: fadeInDown 0.5s ease-out;
}

.success-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.success-icon {
    font-size: 20px;
    font-weight: bold;
    color: var(--success-color);
}

.success-text {
    font-weight: 500;
    color: var(--success-text);
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-input-field.success {
    border-color: var(--success-color) !important;
    box-shadow: var(--shadow-success-focus);

}

.form-input-field.error {
    border-color: var(--error-color) !important;
    box-shadow: var(--shadow-error-focus);

}

.error-message {
    display: none;
    color: var(--error-color);
    font-size: 11px;
    margin-top: 4px;
    text-align: left;
    font-family: var(--font-primary);

}

.error-icon {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--font-size-md);
    color: var(--error-color);
    z-index: 1;

}

.form-message {
    padding: 12px 16px;
    margin-bottom: var(--spacing-md);
    border-radius: 0;
    font-family: var(--font-primary);
    font-size: var(--font-size-md);
    text-align: left;

}

.form-message.success {
    background-color: var(--success-background);
    color: var(--success-text);
    border: 1px solid var(--success-border);

}

.form-message.error {
    background-color: var(--error-background);
    color: var(--error-text);
    border: 1px solid var(--error-border);


}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }

}

/* 输入组相对定位 */
.input-group {
    position: relative;

}

.map-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;

}

/* Contact 页面动画效果 */
.company-profile-section .content {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-fast);

}

.company-profile-section .content.loaded {
    opacity: 1;
    transform: translateY(0);

}

.company-profile-section .company-description {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-fast);

}

.company-profile-section .company-description.loaded {
    opacity: 1;
    transform: translateY(0);

}

.contact-card {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-fast);

}

.contact-card.loaded {
    opacity: 1;
    transform: translateY(0);

}

.feature-card {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-fast);

}

.feature-card.loaded {
    opacity: 1;
    transform: translateY(0);

}

.request-form .form-title {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-fast);

}

.request-form .form-title.loaded {
    opacity: 1;
    transform: translateY(0);

}

.contact-form {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-fast);

}

.contact-form.loaded {
    opacity: 1;
    transform: translateY(0);

}

/* 全局组件样式文件 */

/* ===== 通知栏组件样式 ===== */
.notification-bar {
    background-color: var(--text-dark);
    color: var(--text-white);
    padding: 8px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;

}

.notification-content {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 20px;
    padding-right: 30px;
    max-width: 1280px;
    margin: 0 auto;

}

.notification-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color var(--transition-fast);

}

.notification-item:hover {
    background-color: rgba(255, 255, 255, 0.1);

}

.notification-icon {
    width: 16px;
    height: 16px;
    filter: brightness(0) invert(1);

}

.notification-text {
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;

}

.language-value {
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--primary-color);

}

.arrow {
    font-size: 10px;
    margin-left: 4px;

}


/* ===== 搜索弹窗样式 ===== */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 99999 !important; /* 确保最高层级 */
    opacity: 0 !important;
    visibility: hidden !important;
    display: none !important; /* 确保默认隐藏 */
    transition: var(--transition-fast);

}

.search-modal.active {
    opacity: 1 !important;
    visibility: visible !important;
    display: block !important;

}

.search-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);

}

.search-modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--text-white);
    border-radius: 0;
    box-shadow: var(--shadow-modal);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow: hidden;
    transition: var(--transition-fast);

}

.search-modal.active .search-modal-content {
    transform: translate(-50%, -50%) scale(1);
}

/* 弹窗头部 */
.search-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 32px 20px;
    border-bottom: 1px solid var(--background-light-gray);
    background: linear-gradient(135deg, var(--background-light) 0%, var(--text-white) 100%);

}

.search-modal-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-3xl);
    font-weight: 600;
    color: var(--text-gray);
    margin: 0;

}

.search-modal-close {
    background: none;
    border: none;
    color: var(--text-medium-gray);
    font-size: var(--font-size-4xl);
    cursor: pointer;
    padding: 8px;
    border-radius: 0;
    transition: var(--transition-fast);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;

}

.search-modal-close:hover {
    background: var(--background-light-gray);
    color: var(--text-light);

}

/* 搜索输入区域 */
.search-input-section {
    padding: 32px;
    background: var(--text-white);

}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--background-light);
    border: 2px solid var(--border-gray);
    border-radius: 0;
    padding: 4px;
    transition: var(--transition-fast);

}

.search-input-wrapper:focus-within {
    border-color: var(--primary-color);
    background: var(--text-white);
    box-shadow: var(--shadow-primary-focus);

}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    color: var(--text-gray);
    background: transparent;
    padding: 16px 16px;

}

.search-input::placeholder {
    color: var(--text-medium-gray);
    font-style: italic;

}

.search-clear-btn {
    background: none;
    border: none;
    color: var(--text-medium-gray);
    font-size: var(--font-size-2xl);
    cursor: pointer;
    padding: 8px;
    border-radius: 0;
    transition: var(--transition-fast);
    display: none;
    margin-right: 8px;
}

.search-clear-btn:hover {
    background: var(--background-light-gray);
    color: var(--text-light);

}

.search-clear-btn.visible {
    display: block;
}

/* 搜索结果区域 */
.search-results-section {
    padding: 0 32px 32px;
    background: var(--text-white);

}

.search-results {
    max-height: 400px;
    overflow-y: auto;
    border-radius: 0;
    background: var(--background-light);

}

.search-result-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    cursor: pointer;
    transition: var(--transition-fast);
    border-bottom: 1px solid var(--border-gray);

}

.search-result-item:hover {
    background-color: var(--text-white);
    box-shadow: var(--shadow-super-light);

}

.search-result-item:last-child {
    border-bottom: none;

}

.search-result-icon {
    width: 32px;
    height: 32px;
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(346deg) brightness(104%) contrast(97%);
    flex-shrink: 0;

}

.search-result-info {
    flex: 1;
    min-width: 0;

}

.search-result-name {
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--text-gray);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-category {
    font-family: var(--font-primary);
    font-size: var(--font-size-md);
    color: var(--text-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-arrow {
    color: var(--text-medium-gray);
    font-size: var(--font-size-md);
    margin-left: auto;
    flex-shrink: 0;
}