/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* 淘宝主题色 */
:root {
    --primary-color: #ff6700; /* 淘宝主题色 */
    --secondary-color: #ff9e52;
    --text-color: #333;
    --text-light: #666;
    --background-light: #f5f5f5;
    --white: #ffffff;
    --border-color: #e0e0e0;
    --success-color: #52c41a;
    --warning-color: #faad14;
    --error-color: #f5222d;
    
    /* 动态导航栏颜色变量 - 默认值，会被header.php中的动态设置覆盖 */
    --nav-logo-color: #333333;
    --nav-text-color: #333333;
    --nav-logo-color-scrolled: #333333;
    --nav-text-color-scrolled: #333333;
    --nav-logo-color-home: #ffffff;
    --nav-text-color-home: #ffffff;
    
    /* logo颜色invert滤镜默认值 */
    --nav-logo-color-invert: 0%;
    --nav-logo-color-scrolled-invert: 0%;
    --nav-logo-color-home-invert: 100%;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 标题样式 */
.section-title {
    text-align: center;
    margin-bottom: 50px;
    padding-top: 60px;
}

.section-title h2 {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

.section-title p {
    font-size: 16px;
    color: var(--text-light);
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: #e65a00;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(255, 103, 0, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* 导航栏样式 */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 15px 0;
}

/* 滚动后导航栏样式 */
.header.scrolled {
    background-color: var(--white) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
    padding: 15px 0 !important;
}

/* 首页导航栏沉浸效果 */
body.home-page .header {
    background-color: transparent !important;
    background: transparent !important;
    box-shadow: none !important;
    padding: 10px 0;
}

/* 首页滚动后导航栏样式 */
body.home-page .header.scrolled {
    background-color: var(--white) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
    padding: 15px 0 !important;
}

body.home-page .header-content {
    padding: 10px 0;
}

body.home-page .nav-link {
    color: var(--nav-text-color-home);
    font-weight: 500;
    transition: all 0.3s ease;
}

body.home-page .nav-link:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

body.home-page .nav-link.active {
    color: var(--primary-color);
    transform: translateY(-2px);
}

body.home-page .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(255, 103, 0, 0.5);
}

body.home-page .logo h1 {
    color: var(--nav-text-color-home);
    font-weight: 700;
    transition: all 0.3s ease;
}

/* 单个logo颜色控制 */
.logo-img {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    filter: brightness(0) saturate(100%) invert(0%) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(100%) contrast(100%);
}

/* 正常状态下的logo颜色 */
.logo-img {
    filter: brightness(0) saturate(100%) invert(var(--nav-logo-color-invert, 0%)) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(100%) contrast(100%);
}

/* 滚动后状态下的logo颜色 */
.header.scrolled .logo-img {
    filter: brightness(0) saturate(100%) invert(var(--nav-logo-color-scrolled-invert, 0%)) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(100%) contrast(100%) !important;
}

/* 首页透明状态下的logo颜色 */
body.home-page .logo-img {
    filter: brightness(0) saturate(100%) invert(var(--nav-logo-color-home-invert, 100%)) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(100%) contrast(100%);
}

/* 首页滚动后的logo颜色 */
body.home-page .header.scrolled .logo-img {
    filter: brightness(0) saturate(100%) invert(var(--nav-logo-color-scrolled-invert, 0%)) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(100%) contrast(100%) !important;
}

.logo-link {
    position: relative;
    display: block;
    height: 60px;
}

body.home-page .mobile-menu-btn {
    color: var(--nav-text-color-home);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.7);
    font-size: 24px;
    transition: all 0.3s ease;
}

body.home-page .mobile-menu-btn:hover {
    color: var(--primary-color);
    transform: scale(1.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 5px;
}

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--nav-text-color);
    transition: var(--transition);
}

.header.scrolled .logo h1 {
    color: var(--nav-text-color-scrolled) !important;
}

body.home-page .logo h1 {
    color: var(--nav-text-color-home);
}

/* 首页滚动后的logo标题颜色 */
body.home-page .header.scrolled .logo h1 {
    color: var(--nav-text-color-scrolled) !important;
}

.logo-link {
    position: relative;
    display: block;
    text-decoration: none;
    height: auto;
    width: 50px;
}

.logo-img {
    max-height: 26px;
    max-width: 120px;
    object-fit: contain;
    transition: all 0.3s ease;
}

.nav-list {
    display: flex;
    list-style: none;
}

.nav-item {
    margin-left: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--nav-text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.header.scrolled .nav-link {
    color: var(--nav-text-color-scrolled) !important;
}

body.home-page .nav-link {
    color: var(--nav-text-color-home);
}

/* 首页滚动后的导航链接颜色 */
body.home-page .header.scrolled .nav-link {
    color: var(--nav-text-color-scrolled) !important;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    color: var(--text-color);
    cursor: pointer;
}

/* 轮播图样式 */
.banner {
    position: relative;
    margin-top: 0;
    overflow: hidden;
    height: 600px;
}

.banner-slider {
    display: flex;
    transition: transform 0.5s ease;
    height: 100%;
}

.banner-item {
    flex: 0 0 100%;
    position: relative;
    height: 100%;
    background-color: #000; /* 图片加载前的黑色底色 */
}

.banner-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0; /* 初始隐藏图片 */
    transition: opacity 0.5s ease; /* 添加淡入效果 */
}

.banner-item img.loaded {
    opacity: 1; /* 图片加载完成后显示 */
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 600px;
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    text-align: center;
    width: 90%;
}

.banner-content h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}

.banner-content p {
    font-size: 18px;
    margin-bottom: 30px;
}

.banner-pagination {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
}

.banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    margin: 0 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.banner-dot.active {
    background-color: var(--primary-color);
    width: 30px;
    border-radius: 6px;
}

/* 产品分类样式 */
.categories {
    padding: 60px 0;
    background-color: var(--white);
}

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

.category-item {
    text-align: center;
    padding: 30px 20px;
    background-color: #fafafa;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.category-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.category-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background-color: rgba(255, 103, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--primary-color);
}

.category-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.category-item p {
    color: var(--text-light);
    margin-bottom: 20px;
}

/* 公司优势样式 */
.advantages {
    padding: 60px 0;
    background-color: var(--background-light);
}

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

.advantage-item {
    text-align: center;
    padding: 30px 20px;
    background-color: var(--white);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background-color: rgba(255, 103, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary-color);
}

.advantage-item h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
}

.advantage-item p {
    color: var(--text-light);
    font-size: 14px;
}

/* 热卖产品样式 */
.hot-products {
    padding: 60px 0;
    background-color: var(--white);
}

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

.product-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
}

.product-card-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

.product-card-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 5px 10px;
    background-color: var(--primary-color);
    color: var(--white);
    font-size: 12px;
    font-weight: 500;
    border-radius: 4px;
}

.product-card-info {
    padding: 20px;
}

.product-card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}

.product-card-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.product-card-description {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.5;
}

/* 客户评价样式 */
.testimonials {
    padding: 60px 0;
    background-color: var(--background-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-item {
    background-color: var(--white);
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.testimonial-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.testimonial-rating {
    margin-bottom: 20px;
    color: var(--warning-color);
    font-size: 18px;
}

.testimonial-content p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 30px;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
}

.testimonial-author h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
}

.testimonial-author p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

/* 联系我们样式 */
.contact-section {
    padding: 60px 0;
    background-color: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 103, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.contact-item h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
}

.contact-item p {
    color: var(--text-light);
}

.contact-form {
    background-color: #fafafa;
    padding: 30px;
    border-radius: 8px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* 页脚样式 */
.footer {
    background-color: #333;
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 50px;
    margin-bottom: 30px;
}

.footer-column h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-column p {
    color: #999;
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul li a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: #999;
    font-size: 14px;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(255, 103, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: #e65a00;
    transform: translateY(-5px);
}

/* 面包屑导航样式 */
.breadcrumb {
    background-color: var(--background-light);
    padding: 20px 0;
    margin-top: 130px;
    position: relative;
    z-index: 999;
}

/* 非首页页面的主要内容区域顶部间距 */
body:not(.home-page) .product-showcase,
body:not(.home-page) .about-content,
body:not(.home-page) .services-content,
body:not(.home-page) .contact-content {
    padding-top: 20px;
}

.breadcrumb-list {
    display: flex;
    list-style: none;
    font-size: 14px;
}

.breadcrumb-list li {
    margin-right: 10px;
    color: var(--text-light);
}

.breadcrumb-list li a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-list li a:hover {
    color: var(--primary-color);
}

.breadcrumb-list li span {
    color: var(--primary-color);
}

.breadcrumb-list li::after {
    content: '>';
    margin-left: 10px;
    color: var(--text-light);
}

.breadcrumb-list li:last-child::after {
    display: none;
}

/* 公司简介样式 */
.company-intro {
    padding: 60px 0;
    background-color: var(--white);
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.intro-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.intro-text p {
    margin-bottom: 20px;
    line-height: 1.6;
    color: var(--text-light);
}

.intro-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background-color: #fafafa;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
}

/* 发展历程样式 */
.company-history {
    padding: 60px 0;
    background-color: var(--background-light);
}

.history-timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.history-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background-color: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    width: 50%;
}

.timeline-left {
    left: 0;
    padding-right: 40px;
}

.timeline-right {
    left: 50%;
    padding-left: 40px;
}

.timeline-content {
    padding: 20px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    position: relative;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 25px;
    width: 20px;
    height: 20px;
    background-color: var(--white);
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    z-index: 1;
}

.timeline-left .timeline-content::before {
    right: -10px;
}

.timeline-right .timeline-content::before {
    left: -10px;
}

.timeline-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.timeline-content p {
    color: var(--text-light);
    line-height: 1.5;
}

/* 企业文化样式 */
.corporate-culture {
    padding: 60px 0;
    background-color: var(--white);
}

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

.culture-item {
    text-align: center;
    padding: 30px 20px;
    background-color: #fafafa;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.culture-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.culture-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background-color: rgba(255, 103, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--primary-color);
}

.culture-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
}

.culture-item p {
    color: var(--text-light);
    line-height: 1.5;
}

/* 团队介绍样式 */
.team-intro {
    padding: 60px 0;
    background-color: var(--background-light);
}

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

.team-member {
    text-align: center;
    padding: 30px 20px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.team-photo {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--primary-color);
}

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

.team-member h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
}

.team-member p:first-of-type {
    font-size: 14px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.team-member p:last-of-type {
    color: var(--text-light);
    line-height: 1.5;
    font-size: 14px;
}

/* 资质证书样式 */
.certificates {
    padding: 60px 0;
    background-color: var(--white);
}

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

.certificate-item {
    text-align: center;
    padding: 20px;
    background-color: #fafafa;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.certificate-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.certificate-item img {
    width: 100%;
    height: auto;
    max-height: 200px;
    object-fit: contain;
    margin-bottom: 20px;
    border-radius: 4px;
}

.certificate-item h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
}

/* 工厂实力样式 */
.factory-strength {
    padding: 60px 0;
    background-color: var(--background-light);
}

.factory-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.factory-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.gallery-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

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

.factory-equipment h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--text-color);
}

.equipment-list {
    list-style: none;
}

.equipment-list li {
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
    color: var(--text-light);
    line-height: 1.5;
}

.equipment-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    color: var(--primary-color);
    font-size: 16px;
}

/* 产品筛选样式 */
.product-filter {
    padding: 30px 0;
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
}

.filter-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.filter-categories {
    flex: 1;
}

.filter-categories h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color);
}

.category-list {
    list-style: none;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.category-list li a {
    color: var(--text-light);
    text-decoration: none;
    padding: 5px 15px;
    border-radius: 15px;
    transition: all 0.3s ease;
    font-size: 14px;
}

.category-list li a:hover,
.category-list li a.active {
    background-color: var(--primary-color);
    color: var(--white);
}

.filter-options {
    display: flex;
    align-items: center;
    gap: 30px;
}

.filter-sort {
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-sort label {
    font-size: 14px;
    color: var(--text-light);
}

.filter-sort select {
    padding: 5px 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    color: var(--text-color);
    background-color: var(--white);
}

.filter-view {
    display: flex;
    gap: 10px;
}

.filter-view button {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    background-color: var(--white);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
    color: var(--text-light);
}

.filter-view button:hover,
.filter-view button.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

/* 产品列表样式 */
.product-list {
    padding: 60px 0;
    background-color: var(--background-light);
}

/* 产品展示区域样式 */
.product-showcase {
    padding: 60px 0;
    background-color: var(--background-light);
}

.product-sidebar {
    background-color: var(--white);
    border-radius: 8px;
    padding: 20px;
    height: fit-content;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.product-content {
    flex: 1;
}

/* 确保row布局正确 */
.product-showcase .row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}

.product-showcase .col-md-3,
.product-showcase .col-md-9 {
    position: relative;
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
}

@media (min-width: 768px) {
    .product-showcase .col-md-3 {
        flex: 0 0 25%;
        max-width: 25%;
    }
    
    .product-showcase .col-md-9 {
        flex: 0 0 75%;
        max-width: 75%;
    }
}

/* 左侧分类样式 */
.product-sidebar .filter-categories h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-color);
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.product-sidebar .category-list {
    display: block;
    gap: 0;
    flex-wrap: nowrap;
}

.product-sidebar .category-list li {
    margin-bottom: 10px;
}

.product-sidebar .category-list li a {
    display: block;
    padding: 10px 15px;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-size: 14px;
    color: var(--text-light);
    text-decoration: none;
}

.product-sidebar .category-list li a:hover,
.product-sidebar .category-list li a.active {
    background-color: var(--primary-color);
    color: var(--white);
}

.product-sidebar .filter-options {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.product-sidebar .filter-sort {
    margin-bottom: 20px;
}

/* 分页样式 */
.pagination {
    margin-top: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.pagination-controls {
    width: 100%;
    display: flex;
    justify-content: center;
}

/* 跳转页面样式 */
.pagination-jump {
    width: 100%;
    display: flex;
    justify-content: center;
}

.jump-form {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 20px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.jump-form span {
    font-size: 14px;
    color: var(--text-light);
}

.page-input {
    width: 80px;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.page-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(255, 103, 0, 0.1);
}

.jump-form .btn {
    padding: 8px 16px;
    font-size: 14px;
}

/* 右侧产品网格样式 */
.product-content .products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

@media (max-width: 992px) {
    .product-sidebar {
        margin-right: 0;
        margin-bottom: 30px;
    }
    
    .product-content .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .product-content .products-grid {
        grid-template-columns: 1fr;
    }
    
    .jump-form {
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
    }
}

/* 服务概述样式 */
.service-overview {
    padding: 60px 0;
    background-color: var(--white);
}

.overview-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.overview-content p {
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-light);
    margin-bottom: 40px;
}

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

/* 服务项目样式 */
.service-items {
    padding: 60px 0;
    background-color: var(--background-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-item {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(255, 103, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color);
}

.service-item p {
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-light);
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
}

.service-features li {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.service-features li i {
    position: absolute;
    left: 0;
    top: 2px;
    color: var(--primary-color);
}

/* 服务流程样式 */
.service-process {
    padding: 60px 0;
    background-color: var(--white);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 20px;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--border-color);
    z-index: 1;
}

.process-step {
    position: relative;
    z-index: 2;
    text-align: center;
    background-color: var(--white);
    padding: 20px 10px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.process-step:hover {
    transform: translateY(-5px);
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    margin: 0 auto 15px;
    transition: all 0.3s ease;
}

.process-step:hover .step-number {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(255, 103, 0, 0.3);
}

.process-step h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}

.process-step p {
    font-size: 12px;
    color: var(--text-light);
    line-height: 1.4;
}

/* 常见问题样式 */
.faq {
    padding: 60px 0;
    background-color: var(--background-light);
}

/* 联系信息样式 */
.contact-info-section {
    padding: 60px 0;
    background-color: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    background-color: var(--background-light);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.contact-item h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-color);
}

.contact-item p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.5;
}

/* 联系表单样式 */
.contact-form {
    background-color: var(--background-light);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    color: var(--text-color);
    background-color: var(--white);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(255, 103, 0, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form button {
    width: 100%;
    padding: 15px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.contact-form button:hover {
    background-color: #e65a00;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(255, 103, 0, 0.3);
}

/* 消息提示样式 */
.message {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.success-message {
    background-color: rgba(40, 167, 69, 0.1);
    color: #155724;
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.error-message {
    background-color: rgba(220, 53, 69, 0.1);
    color: #721c24;
    border: 1px solid rgba(220, 53, 69, 0.3);
}

.message i {
    font-size: 18px;
}

/* 地图样式 */
.map-section {
    padding: 60px 0;
    background-color: var(--background-light);
}

.map-container {
    margin-top: 40px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

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

/* 联系页常见问题样式 */
.contact-faq {
    padding: 60px 0;
    background-color: var(--white);
}

.faq-content {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--white);
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.faq-question {
    padding: 20px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    background-color: var(--white);
}

.faq-question:hover {
    background-color: #fafafa;
}

.faq-question::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-answer {
    padding: 0 20px 20px;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-light);
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-item.active .faq-question::after {
    transform: translateY(-50%) rotate(180deg);
}

.pagination-list {
    display: flex;
    list-style: none;
    gap: 5px;
}

.pagination-item {
    margin: 0 5px;
}

.pagination-item a {
    display: block;
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    background-color: var(--white);
    color: var(--text-color);
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-size: 14px;
}

.pagination-item:hover a {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination-item.active a {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

.pagination-item.disabled a {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-item.disabled:hover a {
    border-color: var(--border-color);
    color: var(--text-color);
    background-color: var(--white);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
    
    .banner-content h2 {
        font-size: 36px;
    }
    
    .categories-grid,
    .advantages-grid,
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 720px;
    }
    
    .nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 80%;
        height: calc(100vh - 80px);
        background-color: rgb(255 255 255);
        box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
        z-index: 999;
        border-radius: 12px;
    }
    
    /* 首页透明导航栏时的移动端菜单背景 */
    body.home-page .nav {
        background-color: rgba(0, 0, 0, 0.9);
    }
    
    /* 首页滚动后的移动端菜单背景 */
    body.home-page .header.scrolled .nav {
        background-color: rgb(255 255 255);
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        padding: 30px;
    }
    
    .nav-item {
        margin: 15px 0;
    }
    
    /* 首页透明导航栏时的移动端菜单文字颜色 */
    body.home-page .nav .nav-link {
        color: var(--white) !important;
    }
    
    /* 首页滚动后的移动端菜单文字颜色 */
    body.home-page .header.scrolled .nav .nav-link {
        color: var(--nav-text-color-scrolled) !important;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .banner {
        height: 500px;
    }
    
    .banner-content h2 {
        font-size: 28px;
    }
    
    .categories-grid,
    .advantages-grid,
    .products-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 540px;
    }
    
    .banner {
        height: 400px;
    }
    
    .banner-content {
        left: 50%;
        transform: translate(-50%, -50%);
        width: 95%;
    }
    
    .banner-content h2 {
        font-size: 24px;
    }
    
    .banner-content p {
        font-size: 16px;
    }
    
    .section-title h2 {
        font-size: 24px;
    }
    
    .categories-grid,
    .advantages-grid,
    .products-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    .header-content {
        padding: 15px 0;
    }
    
    .logo h1 {
        font-size: 20px;
    }
    
    .banner {
        height: 300px;
    }
    
    .banner-content h2 {
        font-size: 20px;
    }
    
    .banner-content p {
        font-size: 14px;
        margin-bottom: 20px;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 12px;
    }
    
    .section-title {
        padding-top: 40px;
        margin-bottom: 30px;
    }
    
    .categories,
    .advantages,
    .hot-products,
    .testimonials,
    .contact-section,
    .footer,
    .company-intro,
    .company-history,
    .corporate-culture,
    .team-intro,
    .certificates,
    .factory-strength {
        padding: 40px 0;
    }
    
    .product-card-image {
        height: 200px;
    }
    
    .contact-form {
        padding: 20px;
    }
    
    /* 关于我们页面响应式 */
    .intro-content,
    .factory-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .intro-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .history-timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 60px;
        padding-right: 0;
    }
    
    .timeline-left,
    .timeline-right {
        left: 0;
        padding-left: 60px;
        padding-right: 0;
    }
    
    .timeline-content::before {
        left: -10px;
    }
    
    .timeline-left .timeline-content::before {
        left: -10px;
        right: auto;
    }
    
    .culture-content,
    .team-grid,
    .certificates-grid {
        grid-template-columns: 1fr;
    }
    
    .factory-gallery {
        grid-template-columns: 1fr;
    }
    
    .gallery-item img {
        height: 150px;
    }
    
    /* 服务介绍页面响应式 */
    .service-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .process-steps::before {
        display: none;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 16px;
    }
    
    /* 联系我们页面响应式 */
    .contact-content {
        gap: 30px;
    }
    
    .contact-item {
        padding: 15px;
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .map-container img {
        height: 250px;
    }
}