* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
/* ====================== */
/* 1. Firefox 滚动条样式 */
/* ====================== */
:root {
  scrollbar-width: thin;
  scrollbar-color: #909399 #f5f7fa;
}

/* ====================== */
/* 2. Chrome / Edge / Safari 滚动条样式 */
/* ====================== */
::-webkit-scrollbar {
  width: 6px;  /* 垂直滚动条宽度 */
  height: 6px; /* 水平滚动条高度 */
}
::-webkit-scrollbar-track {
  background: #f5f7fa; /* 轨道背景 */
  border-radius: 3px;
}
::-webkit-scrollbar-thumb {
  background: #909399; /* 滑块颜色 */
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #606266; /*  hover 效果 */
}
html {
    scroll-behavior: smooth;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}
ul,li{
    list-style: none;
}
input,textarea{
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}
.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px;
}
.text-white{
    color: #fff !important;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: transparent;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.7);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.navbar.scrolled .logo a,
.navbar.scrolled .nav-links a {
    color: #333;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #fff;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo img {
    margin-right: 10px;
    height: 40px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 50px;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    text-decoration: none;
    color: #fff;
    font-weight: 500;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-links a:hover,.nav-links a.active,.scrolled .nav-links a:hover,.scrolled .nav-links a.active{
    color: #f59e0b;
}

/* 下拉菜单 */
.dropdown {
    position: relative;
}

.dropdown > .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    border-radius: 8px;
    padding: 10px 0;
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.dropdown:hover > .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown > .dropdown-menu > li {
    margin: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.dropdown > .dropdown-menu > li.sub-dropdown {
    overflow: visible;
}

.dropdown > .dropdown-menu > li:first-child {
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

.dropdown > .dropdown-menu > li:last-child {
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
}

.dropdown > .dropdown-menu > li > a {
    display: block;
    padding: 10px 20px;
    color: #333;
    font-weight: 400;
    transition: all 0.3s ease;
}

.dropdown > .dropdown-menu > li > a:hover {
    background: #f59e0b;
    color: #fff;
}

/* 滚动状态下的下拉菜单 */
.navbar.scrolled .dropdown > .dropdown-menu > li > a,.dropdown > .dropdown-menu > li > a {
    color: #333;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar.scrolled .dropdown > .dropdown-menu > li > a:hover {
    background: #f59e0b;
    color: #fff;
}
.navbar.scrolled .dropdown > .dropdown-menu > li > a:first-child,.dropdown > .dropdown-menu > li > a:first-child{
    border-radius: 8px;
}

/* 三级菜单 */
.sub-dropdown {
    position: relative;
}

.sub-dropdown > .dropdown-menu {
    position: absolute;
    top: 0;
    left: 100%;
    transform: translateY(0);
    margin-left: 0;
    min-width: 160px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.sub-dropdown:hover > .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sub-dropdown > .dropdown-menu > li {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    border-radius: 0;
}

.sub-dropdown > .dropdown-menu > li:first-child {
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

.sub-dropdown > .dropdown-menu > li:last-child {
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
}

.sub-dropdown > a {
    position: relative;
}

.sub-dropdown > a i {
    float: right;
    margin-left: 8px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: #fff;
    margin: 3px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled .menu-toggle span {
    background: #333;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* 英雄区 */
.hero {
    height: 100vh;
    background: url(../images/hero.jpg) center/cover no-repeat;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero .hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
}

.hero .hero-content {
    position: relative;
    z-index: 1;
    color: #fff;
    max-width: 800px;
}

.hero .hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero .hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s;
    animation-fill-mode: both;
}

.hero .hero-buttons {
    animation: fadeInUp 1s ease 0.4s;
    animation-fill-mode: both;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
    margin: 0 10px;
}

.btn-primary {
    background: #f59e0b;
    color: #fff;
}

.btn-primary:hover {
    background: #d97706;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.btn-secondary:hover {
    background: #fff;
    color: #333;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 通用区块样式 */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: #1a1a1a;
}

.section-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
    position: relative;
}

/* 产品展示 */
.products {
    /* background: #fff; */
    background:url(../images/bg-8.jpg) center/cover no-repeat;

    position: relative;
    overflow: hidden;
    background-attachment: fixed;
}

.category-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
}

.category-list a {
    padding: 8px 20px;
    background: #f5f5f5;
    border-radius: 20px;
    color: #666;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.category-list a:hover {
    background: #f59e0b;
    color: #fff;
}

.products .swiper {
    width: 100%;
    height: 600px;
    margin-left: auto;
    margin-right: auto;
}

.products .swiper-slide {
    border-radius: 10px;
    /* box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1); */
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: calc((100% - 30px) / 2 - 12px) !important;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    position: relative;
}

.products .slide-image {
    width: 100%;
    height: 100%;
    /* aspect-ratio: 16 / 9; */
    overflow: hidden;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}

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

.products .swiper-slide:hover img {
    transform: scale(1.1);
}

.products .swiper-slide .slide-name {
    position: absolute;
    width: 100%;
    height: 100%;
    padding: 15px 20px;
    font-size: .9rem;
    color: #fff;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
}
.products .swiper-slide .slide-name:hover{
    background: rgba(0, 0, 0, 0.2);
}

.products .swiper-pagination {
    bottom: 0 !important;
}

/* 公司介绍 */
.about {
    background: url(../images/bg-1.png) no-repeat;
    background-size: 100% 100%;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-text h3 {
    font-size: 1.5rem;
    margin: 20px 0;
    color: #1a1a1a;
}

.about-text p {
    margin-bottom: 20px;
    color: #555;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    justify-content: space-around;
    gap: 30px;
    margin-top: 30px;
}

.stat-item {
    text-align: center;
}

.stat-item i {
    font-size: 2rem;
    color: #f59e0b;
    margin-bottom: 10px;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    color: #1a1a1a;
}

.stat-label {
    color: #666;
    font-size: 0.9rem;
}

/* 为什么选择我们 */
.why-choose-us {
    background: url(../images/bg-6.jpg) no-repeat;
    background-size: 100% 100%;
    padding: 80px 0;
}

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

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #f59e0b;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.section-badge i {
    color: #f59e0b;
}

.why-choose-left .section-title {
    font-size: 2.5rem;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.why-choose-left p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
}

.features-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 0;
}

.feature-item i {
    color: #10b981;
    font-size: 1.2rem;
}

.feature-item span {
    color: #333;
    font-weight: 500;
}

.cta-section {
    display: flex;
    align-items: center;
    gap: 30px;
}

.contact-info {
    padding: 15px 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    width:60%;
}

.contact-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-avatar i {
    font-size: 1.8rem;
    color: #fff;
}

.contact-text p {
    margin: 0;
    font-size: 0.9rem;
    color: #666;
}

.contact-phone {
    font-weight: 600;
    color: #1a1a1a !important;
    font-size: 1.1rem !important;
}

/* 图片堆叠 */
.why-choose-right {
    position: relative;
    height: 450px;
}

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

.image-item {
    position: absolute;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border: 5px solid #fff;
}

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

.image-item.large {
    width: 280px;
    height: 350px;
    top: 50px;
    right: 20px;
}

.image-item.medium {
    width: 180px;
    height: 220px;
    top: 20px;
    left: 20px;
}

.image-item.small {
    width: 120px;
    height: 150px;
    bottom: 20px;
    left: 50px;
}

/* 服务介绍 */
.services {
    background: #fff;
    position: relative;
}
.services .services-bg{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url(../images/bg-2.png) no-repeat;
    background-size: 100% 100%;
    background-position: center;
}
.services-list {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    position: relative;
}

.services-list::before {
    content: '';
    position: absolute;
    top: 60px;
    left: 7.14%;
    right: 7.14%;
    height: 2px;
    background: #ddd;
    z-index: 0;
}

.service-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px;
    z-index: 1;
}

.service-icon {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: #f59e0b;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    position: relative;
    box-shadow: 0 6px 20px rgba(45, 125, 210, 0.3);
    transition: all 0.3s ease;
}

.service-icon i {
    font-size: 1.8rem;
    color: #fff;
}

.service-item:hover .service-icon {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(45, 125, 210, 0.4);
}

.service-number {
    /* position: absolute;
    top: -8px;
    right: -8px; */
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #f59e0b;
    color: #fff;
    font-size: 0.8rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 10px;
}

.service-item h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #1a1a1a;
}

.service-item p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 企业资质 */
.certifications {
    /* background: url(../images/bg-4.jpg) no-repeat;
    background-size: 100% 100%; */
    padding: 80px 0;
}

.certifications-swiper {
    width: 100%;
    height: 380px;
}

.cert-item {
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.cert-item:hover {
    /* transform: translateY(-5px); */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.cert-image {
    margin-bottom: 15px;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert-image img {
    width: 100%;
    height: 250px;
    object-fit: contain;
    background: #fff;
    border-radius: 8px;
    padding: 15px;
    border: 1px solid #e0e0e0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cert-item h3 {
    font-size: 1rem;
    color: #333;
    margin: 0;
}

/* 企业资质页面网格布局 */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.cert-card {
    background: #f9f9f9;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.cert-card:hover {
    /* transform: translateY(-5px); */
    box-shadow: rgba(99, 99, 99, 0.2) 0px 2px 8px 0px;
}

.cert-card .cert-image {
    margin-bottom: 15px;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert-card .cert-image img {
    width: 100%;
    height: 250px;
    object-fit: contain;
    background: #fff;
    border-radius: 8px;
    padding: 15px;
    border: 1px solid #e0e0e0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cert-card h3 {
    font-size: 1rem;
    color: #333;
    margin: 0;
}

/* 新闻资讯页面样式 */
.news-list {
    width: 100%;
}

.news-item {
    display: flex;
    margin-bottom: 30px;
    background: #f9f9f9;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.news-item:hover {
    box-shadow: rgba(99, 99, 99, 0.2) 0px 2px 8px 0px;
}

.news-image {
    width: 250px;
    min-height: 180px;
    max-height: 240px;
    aspect-ratio: 16 / 9;
    flex-shrink: 0;
    height: 100%;
    overflow: hidden;
}

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

.news-content {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.news-content h3 {
    font-size: 1.2rem;
    margin: 0 0 15px 0;
    line-height: 1.4;
}

.news-content h3 a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-content h3 a:hover {
    color: #6c6c6c;
}

.news-image a {
    display: block;
    width: 100%;
    height: 100%;
}

.news-image a img {
    transition: transform 0.3s ease;
}

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

.news-content p {
    color: #666;
    margin: 0 0 20px 0;
    line-height: 1.6;
}

.news-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.news-btn-detail{
    display: inline-block;
    padding: 8px 20px;
    background: #ff6b00;
    color: #fff;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
    flex: none;
}

/* 新闻项高度设置 */
.news-item {
    height: 200px;
}

@media (max-width: 992px) {
    .news-item {
        height: auto;
    }
    
    .news-image {
        height: 200px;
    }
}

.news-btn-detail:hover {
    background: #e55a00;
    /* transform: translateY(-2px); */
}

.news-date {
    color: #999;
    font-size: 0.9rem;
}

/* 文章详情页样式 */
.article-detail {
    width: 100%;
}

.article-header {
    margin-bottom: 25px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: #999;
}

.article-category {
    background: #ff6b00;
    color: #fff;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.85rem;
}

.article-meta i {
    margin-right: 5px;
}

.article-title {
    font-size: 1.8rem;
    color: #333;
    margin: 0;
    line-height: 1.4;
}

.article-cover {
    margin-bottom: 25px;
    border-radius: 10px;
    overflow: hidden;
}

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

.article-content {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 25px;
}

.article-content h2 {
    font-size: 1.3rem;
    color: #333;
    margin: 25px 0 15px 0;
    padding-bottom: 10px;
    border-bottom: 2px solid #e0e0e0;
}

.article-content h2:first-child {
    margin-top: 0;
}

.article-content p {
    color: #666;
    line-height: 1.8;
    margin: 0 0 15px 0;
}

.article-content .article-summary {
    background: #fff;
    padding: 20px;
    border-left: 4px solid #ff6b00;
    border-radius: 0 8px 8px 0;
    margin-top: 25px;
    font-weight: 500;
}

.article-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 25px;
    padding: 15px 0;
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
}

.tag-label {
    color: #999;
    font-size: 0.9rem;
}

.tag {
    background: #f0f0f0;
    color: #666;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.tag:hover {
    background: #ff6b00;
    color: #fff;
}

.article-nav {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.article-prev,
.article-next {
    display: flex;
    align-items: center;
    padding: 15px;
    background: #fff;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.article-prev:hover,
.article-next:hover {
    background: #f0f0f0;
}

.article-prev span,
.article-next span {
    color: #999;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.article-prev a,
.article-next a {
    color: #333;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.article-prev a:hover,
.article-next a:hover {
    color: #ff6b00;
}

@media (max-width: 992px) {
    .article-cover img {
        height: 300px;
    }
    
    .article-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    .article-cover img {
        height: 200px;
    }
    
    .article-title {
        font-size: 1.3rem;
    }
    
    .article-meta {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .article-content {
        padding: 20px;
    }
}

/* 模态框样式 */
.certifications .swiper-slide {
    height: calc(100% - 40px);
}

/* 常见问题 FAQ */
.faq {
    /* background: #fff; */
    position: relative;
    overflow: hidden;
    background: url(../images/bg-9.jpg) no-repeat;
    background-position: center center;
    background-attachment: fixed;
}

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

.faq-item {
    background: #ffffffc3;
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    /* background: #f5f5f573; */
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: #ffffffc9;
}

.faq-question h3 {
    margin: 0;
    font-size: 1.1rem;
    color: #1a1a1a;
    font-weight: 600;
}

.faq-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-toggle:hover {
    color: #f59e0b;
}

.faq-toggle.active {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-answer p {
    margin: 20px 0;
    line-height: 1.6;
    color: #666;
}

.faq-answer.active {
    max-height: 300px;
    padding: 20px 25px;
}

/* 行业动态 */
.news {
    background: url(../images/bg-7.jpg) no-repeat;
    background-size: 100% 100%;
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.news-right {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.news-right .news-card {
    flex: 1;
}

.news-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: row;
    height: 150px;
}

.news-card:hover {
    background-color: #f1f1f1;
    /* transform: translateY(-5px); */
}

.news-card img {
    width: 200px;
    height: 100%;
    object-fit: cover;
}

.news-content {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.news-content h3 {
    font-size: 1.1rem;
    color: #333;
    margin: 0 0 10px 0;
    line-height: 1.4;
    flex: 1;
}

.news-content p {
    font-size: 0.9rem;
    color: #666;
    margin: 0 0 15px 0;
    line-height: 1.5;
    flex: 1;
}


@media (max-width: 992px) {
    .news-card {
        flex-direction: column;
        height: auto;
    }
    
    .news-card img {
        width: 100%;
        height: 180px;
    }
    
    .news-content {
        padding: 15px;
    }
}
/* 底部footer */
.footer {
    background: #1a1a1a;
    color: #fff;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
    justify-content: space-between;
}

.company-info {
    flex: 2;
    min-width: 250px;
}

.footer-section {
    position: relative;
    flex: 1;
    min-width: 180px;
}

.footer-section:nth-of-type(2),.footer-section:nth-of-type(3){
    text-align: center;
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-logo img {
    max-width: 100%;
    height: auto;
}

.company-description {
    color: #999;
    margin-bottom: 20px;
    line-height: 1.8;
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.social-link:hover {
    background: #f59e0b;
    color: #fff;
    transform: translateY(-2px);
}

.footer-title {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: #f59e0b;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links li a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
    display: inline-block;
    position: relative;
}

.footer-links li a:hover {
    color: #f59e0b;
    /* padding-left: 5px; */
}

.contact-info {
    /* flex布局下不需要grid属性 */
}

.contact-details {
    list-style: none;
}

.contact-item {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.contact-item i {
    color: #f59e0b;
    font-size: 1rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.contact-item span {
    color: #999;
    font-size: 0.95rem;
    line-height: 1.5;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright {
    color: #666;
    font-size: 0.9rem;
    margin: 0;
}

.footer-policies {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-policies a {
    color: #666;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-policies a:hover {
    color: #f59e0b;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .logo{
        flex: 1;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        padding: 20px;
        gap: 10px;
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 10px 0;
        position: relative;
    }

    .nav-links a {
        color: #333;
        display: inline-flex;
        align-items: center;
        gap: 5px;
        width: auto;
    }

    /* 移动端下拉菜单 */
    .dropdown > .dropdown-menu,
    .sub-dropdown > .dropdown-menu {
        position: relative;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: transparent;
        margin: 5px 0 5px 20px;
        display: none;
        min-width: auto;
        padding-left: 10px;
        border-left: 2px solid #f59e0b;
    }

    .dropdown.active > .dropdown-menu,
    .sub-dropdown.active > .dropdown-menu {
        display: block;
    }

    .dropdown > .dropdown-menu > li,
    .sub-dropdown > .dropdown-menu > li {
        margin: 5px 0;
        background: transparent;
        box-shadow: none;
        overflow: visible;
        border-radius: 0;
    }

    .dropdown > .dropdown-menu > li > a,
    .sub-dropdown > .dropdown-menu > li > a {
        font-size: 0.9rem;
        color: #666;
        padding: 8px 10px;
    }

    .dropdown > .dropdown-menu > li > a:hover,
    .sub-dropdown > .dropdown-menu > li > a:hover {
        color: #f59e0b;
        background: transparent;
    }

    .dropdown > .dropdown-menu .sub-dropdown > a,.navbar.scrolled .dropdown > .dropdown-menu .sub-dropdown > a{
        display: inline-flex;
        align-items: center;
    }
    .dropdown > .dropdown-menu .sub-dropdown > ul.sub-menu{
        transform: translateX(-100%);
    }

    .menu-toggle {
        display: flex;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-stats {
        justify-content: center;
    }

    .why-choose-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .why-choose-left .section-title {
        font-size: 2rem;
    }

    .cta-section {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .services-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .services-list::before {
        display: none;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer-section:nth-of-type(2),.footer-section:nth-of-type(3){
        text-align: left;
    }

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }

    .footer-policies {
        justify-content: center;
    }

    .news-card.featured {
        grid-column: span 1;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .btn {
        display: block;
        margin: 10px auto;
        max-width: 80%;
    }

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

    .about-stats {
        /* flex-direction: column; */
        gap: 20px;
        flex-wrap: wrap;
    }
    .about-stats .stat-item{
        max-width: 50%;
    }

    .services-list {
        /* grid-template-columns: 1fr; */
    }

    .news-card img,
    .news-card.featured img {
        height: 180px;
    }

    /* .footer-section:nth-of-type(2),.footer-section:nth-of-type(3){
        text-align: center;
    } */
}

/* 页面英雄区 */
.page-hero {
    position: relative;
    height: 360px;
    background: url('../images/page-hero.webp') center/cover no-repeat;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.page-hero .container {
    position: relative;
    z-index: 2;
    text-align: left;
    width: 1200px;
}

.page-hero .hero-content {
    margin-bottom: 20px;
    max-width: 600px;
    padding-top: 10px;
}

.page-hero .hero-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}

.page-hero .hero-content p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
}

.page-hero .hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
}

/* 面包屑导航 */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    margin-top: 15px;
}

.breadcrumbs a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumbs a:hover {
    color: #f59e0b;
}

.breadcrumbs span {
    color: rgba(255, 255, 255, 0.5);
}

.breadcrumbs span:last-child {
    color: #f59e0b;
}

/* 主内容区 */
.main-content {
    padding: 40px 0;
    background: #f5f5f5;
}

.content-wrapper {
    display: flex;
    gap: 30px;
}

/* 左侧导航 */
.sidebar {
    width: 250px;
    flex-shrink: 0;
    background: #fff;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.sidebar-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f59e0b;
}

.category-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.category-nav li {
    margin-bottom: 5px;
    border-radius: 8px;
    overflow: hidden;
}

.category-nav li a {
    display: block;
    padding: 12px 15px;
    color: #666;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}


.category-nav li .active {
    background: #f59e0b;
    color: #fff;
    border-radius: 8px;
}
.category-nav li .active a{
    color: #fff;
}
.category-nav>li:hover>a{
    background-color: #f59e0b;
    color: #fff;
}

/* 右侧产品列表 */
.product-list {
    flex: 1;
    min-width: 0;
}

/* 挖掘机三级分类菜单 */
.sub-category-menu {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding: 15px 20px;
    background: #f8f9fa;
    border-radius: 8px;
    flex-wrap: wrap;
}

.sub-category-label {
    font-weight: 600;
    color: #333;
    font-size: 0.95rem;
}

.sub-category-list {
    display: flex;
    list-style: none;
    gap: 10px;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
}

.sub-category-list li {
    margin: 0;
}

.sub-category-list li a {
    display: inline-block;
    padding: 8px 16px;
    text-decoration: none;
    color: #666;
    background: #fff;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.sub-category-list li a:hover {
    color: #f59e0b;
    border-color: #f59e0b;
}

.sub-category-list li a.active {
    background: #f59e0b;
    color: #fff;
    border-color: #f59e0b;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

/* 产品卡片 */
.product-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-wrap: wrap;
}

.product-card:hover {
    /* transform: translateY(-5px); */
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.product-image {
    position: relative;
    width: 100%;
    min-height: 180px;
    max-height: 240px;
    aspect-ratio: 16 / 10 !important;
    align-self: flex-start;
    overflow: hidden;
    background: #f0f0f0;
}

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

.product-image .btn-cart {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.product-tag {
    position: absolute;
    top: 10px;
    left: 10px;
    background: #f59e0b;
    color: #fff;
    padding: 4px 10px;
    font-size: 0.75rem;
    border-radius: 4px;
    font-weight: 500;
}

.product-info {
    padding: 20px;
    position: relative;
    display: flex;
    flex: 1;
    flex-direction: column;
    flex-wrap: wrap;
    justify-content: space-between;
}

.product-title {
    font-size: 1rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 12px;
    line-height: 1.4;
}

.product-meta {
    margin-bottom: 15px;
}

.product-price {
    font-size: 1rem;
    font-weight: 700;
    color: #f59e0b;
    margin: 20px 0;
}

.product-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-detail {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #f59e0b;
    color: #f59e0b;
    text-decoration: none;
    border-radius: 6px;
    text-align: center;
    font-size: 0.9rem;
    transition: background 0.3s ease;
}

.btn-detail:hover {
    background: #f59e0b;
    color: #fff;
}

.btn-cart {
    padding: 10px 15px;
    background: #f59e0b;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    gap: 5px;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
    z-index: 2;
}

.btn-cart:hover {
    background: #e68a00;
}

.product-image .btn-cart:hover {
    /* transform: translate(-50%, -50%) translateY(-3px); */
}

.btn-cart i {
    font-size: 0.9rem;
}

.product-card:hover .btn-cart {
    display: none;
}

.product-image:hover .btn-cart {
    display: inline-flex;
}

.product-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.product-image:hover::after {
    opacity: 1;
}

/* 分页占位 */
.pagination-placeholder {
    text-align: center;
    padding: 40px 20px;
    color: #999;
    font-size: 0.95rem;
}

/* 产品详情页样式 */
.product-detail {
    padding: 40px 0;
    background: #fff;
}

.detail-wrapper {
    display: flex;
    gap: 50px;
}

/* 左侧图片区域 */
.detail-gallery {
    flex: 1;
    max-width: 600px;
    position: sticky;
    top: 120px;
    align-self: flex-start;
}

.gallery-main {
    width: 100%;
    height: 400px;
    background: #f5f5f5;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 15px;
}

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

.gallery-thumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.gallery-thumbs img {
    width: calc(20% - 8.5px);
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    opacity: 0.6;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.gallery-thumbs img:hover,
.gallery-thumbs img.active {
    opacity: 1;
    border-color: #f59e0b;
}

/* 右侧产品信息 */
.detail-info {
    flex: 1;
}

.product-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 25px;
}

/* 产品参数表格 */
.product-params {
    width: 100%;
    border-collapse: collapse;
    background: #f9f9f9;
    border-radius: 8px;
    overflow: hidden;
}

.product-params tr {
    border-bottom: 1px solid #eee;
}

.product-params tr:last-child {
    border-bottom: none;
}

.product-params td {
    padding: 12px 15px;
    font-size: 0.95rem;
}

.param-label {
    color: #666;
    width: 120px;
    background: #f5f5f5;
}

.param-value {
    color: #333;
    font-weight: 500;
}

/* 父容器：左右 Flex 布局 */
.product-parameter {
  display: flex;
  flex-wrap: wrap; /* 小屏幕自动换行 */
  gap: 0; /* 两列之间无间距 */
  width: 100%;
  max-width: 600px; /* 可根据需求调整 */
  margin: 20px 0;
  border: 1px solid #eee;
  border-radius: 6px;
  overflow: hidden;
  background-color: #fff;
}

/* 两个 ul 均分宽度 */
.product-parameter ul {
  flex: 1; /* 左右各占 50% */
  list-style: none;
  margin: 0;
  padding: 0;
}

/* 每一行 li 样式 */
.product-parameter li {
  padding: 10px 15px;
  border-bottom: 1px solid #f5f5f5;
  font-size: 14px;
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 左边列（标题）样式 */
.product-parameter ul:first-child li {
  background-color: #fafafa;
  font-weight: 500;
  color: #333;
}

/* 右边列（值）样式 */
.product-parameter ul:last-child li {
  color: #666;
}

/* 去掉最后一行的下边框 */
.product-parameter li:last-child {
  border-bottom: none;
}


/* 数量选择器 */
.quantity-selector {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 25px;
}

.quantity-label {
    font-size: 0.95rem;
    color: #666;
}

.quantity-btn {
    width: 36px;
    height: 36px;
    border: 1px solid #ddd;
    background: #fff;
    border-radius: 6px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quantity-btn:hover {
    background: #f5f5f5;
    border-color: #f59e0b;
    color: #f59e0b;
}

.quantity-input {
    width: 60px;
    height: 36px;
    border: 1px solid #ddd;
    border-radius: 6px;
    text-align: center;
    font-size: 0.95rem;
}

.quantity-input:focus {
    outline: none;
    border-color: #f59e0b;
}

/* 产品操作按钮 */
.detail-info .product-actions {
    display: flex;
    gap: 15px;
}

.btn-add-cart {
    flex: 1;
    padding: 14px 25px;
    background: #f59e0b;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-add-cart:hover {
    background: #e68a00;
    /* transform: translateY(-2px); */
}

.btn-inquiry {
    flex: 1;
    padding: 14px 25px;
    background: #1a1a1a;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-inquiry:hover {
    background: #333;
    /* transform: translateY(-2px); */
}

/* 相关产品推荐 */
.related-products {
    padding: 60px 0;
    background: #f5f5f5;
}

.related-products .section-title {
    text-align: center;
    font-size: 1.8rem;
    color: #1a1a1a;
    margin-bottom: 40px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
}

@media (max-width: 992px) {
    .content-wrapper {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        position: static;
    }
    
    .category-nav {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .category-nav li a {
        display: inline-block;
        padding: 8px 15px;
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .certifications-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .news-item {
        flex-direction: column;
    }
    
    .news-image {
        width: 100%;
        height: 200px;
    }
}

@media (max-width: 576px) {
    .page-hero {
        height: 220px;
    }
    
    .page-hero .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .product-image {
        height: 200px;
    }
    
    .detail-wrapper {
        flex-direction: column;
        gap: 30px;
    }
    
    .detail-gallery {
        max-width: 100%;
    }
    
    .gallery-main {
        height: 280px;
    }
    
    .product-name {
        font-size: 1.4rem;
    }
    
    .detail-info .product-actions {
        flex-direction: column;
    }
    
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .detail-gallery{
        position: static;
    }
}

.pagination {
    margin: 30px 0;
    padding: 0;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
}
.pagination li {
    display: inline-block;
}
.pagination li a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    text-decoration: none;
    color: #4e5969;
    font-size: 14px;
    font-weight: 500;
    background-color: #ffffff;
    border: 1px solid #e5e7eb;
    cursor: pointer;
    box-sizing: border-box;
}
.pagination li.active a {
    background-color:rgb(245, 158, 11);
    color: #ffffff;
    font-weight: 600;
}
.pagination li:not(:first-child):not(.active) a:hover {
    background-color: #f3f4f6;
    border-color: #d1d5db;
    color: #1f2937;
}
.pagination li a.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}
@media (max-width: 576px) {
    .pagination {
        flex-wrap: wrap;
        gap: 3px;
    }
    .pagination li a {
        min-width: 36px;
        height: 36px;
        padding: 0 8px;
        font-size: 13px;
    }
    .pagination li:first-child a,
    .pagination li:nth-last-child(2) a,
    .pagination li:last-child a {
        min-width: 60px;
    }
}
.pagination li a:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}
@media (prefers-color-scheme: dark) {
    .pagination li a {
        background-color: #1f2937;
        border-color: #374151;
        color: #e5e7eb;
    }
    .pagination li:first-child a {
        background-color: #111827;
        border-color: #374151;
    }
    .pagination li:not(:first-child):not(.active) a:hover {
        background-color: #374151;
        border-color: #4b5563;
    }
}
.page .right h1 {
    font-size: 28px;
    font-weight: 600;
    text-align: center;
    padding: 20px;
    border-bottom: 1px solid #eaeaea;
}

/* 导航栏操作区 */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-right: 20px;
}

/* 购物车按钮 */
.cart-btn {
    position: relative;
    background: transparent;
    border: none;
    font-size: 1.2rem;
    color: #fff;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.cart-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.navbar.scrolled .cart-btn {
    color: #333;
}

.navbar.scrolled .cart-btn:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* 购物车数量 */
.cart-count {
    position: absolute;
    top: 0;
    right: 0;
    background: #f59e0b;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    min-width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

/* 购物车遮罩 */
.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.cart-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 购物车侧边栏 */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 380px;
    height: 100vh;
    background: #fff;
    z-index: 10000;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

.cart-sidebar.active {
    right: 0;
}

/* 购物车头部 */
.cart-header {
    padding: 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin: 0;
}

.cart-close {
    background: transparent;
    border: none;
    font-size: 1.2rem;
    color: #666;
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.cart-close:hover {
    background: #f5f5f5;
    color: #333;
}

/* 购物车内容 */
.cart-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

/* 空购物车 */
.cart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: #999;
}

.cart-empty i {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.5;
}

.cart-empty p {
    margin: 0;
    font-size: 1rem;
}

/* 购物车商品列表 */
.cart-items {
    display: none;
}

.cart-items.active {
    display: block;
}

/* 购物车动画元素 */
.cart-animation {
    position: fixed;
    width: 50px;
    height: 50px;
    background-size: cover;
    background-position: center;
    border-radius: 50%;
    pointer-events: none;
    z-index: 99999;
    transform: translate(-50%, -50%);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* 购物车商品项 */
.cart-item {
    display: flex;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-item-image {
    width: 80px;
    height: 80px;
    background: #f5f5f5;
    border-radius: 8px;
    overflow: hidden;
    margin-right: 15px;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-info {
    flex: 1;
}

.cart-item-name {
    font-size: 0.95rem;
    font-weight: 500;
    color: #333;
    margin-bottom: 10px;
    line-height: 1.3;
}

.cart-item-details {
    display: flex;
    align-items: center;
    gap: 10px;
}

.cart-item-quantity-label {
    font-size: 0.85rem;
    color: #666;
    white-space: nowrap;
}

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

.cart-quantity-btn {
    width: 24px;
    height: 24px;
    border: 1px solid #ddd;
    background: #fff;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.cart-quantity-btn:hover {
    background: #f5f5f5;
    border-color: #f59e0b;
    color: #f59e0b;
}

.cart-quantity-input {
    width: 40px;
    height: 24px;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-align: center;
    font-size: 0.9rem;
}

.cart-quantity-input:focus {
    outline: none;
    border-color: #f59e0b;
}

.cart-item-actions {
    display: flex;
    align-items: center;
}

.cart-item-delete {
    background: transparent;
    border: none;
    font-size: 1rem;
    color: #999;
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.cart-item-delete:hover {
    background: #fef2f2;
    color: #ef4444;
}

/* 购物车底部 */
.cart-footer {
    padding: 20px;
    border-top: 1px solid #eee;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-clear-cart {
    padding: 12px;
    background: #f5f5f5;
    color: #666;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-clear-cart:hover {
    background: #eee;
    color: #333;
}

.btn-checkout {
    padding: 14px;
    background: #f59e0b;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    transition: all 0.3s ease;
}

.btn-checkout:hover {
    background: #e68a00;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .cart-sidebar {
        width: 320px;
        right: -320px;
    }
    
    .nav-actions {
        margin-right: 10px;
    }
}

@media (max-width: 576px) {
    .cart-sidebar {
        width: 100%;
        right: -100%;
    }
    
    .nav-actions {
        margin-right: 5px;
    }
    
    .cart-btn {
        font-size: 1.1rem;
        padding: 6px;
    }
}

/* 联系页面样式 */
.contact-section {
    padding: 60px 0;
    background: rgb(249 250 251);
}

.contact-wrapper {
    display: flex;
    gap: 30px;
}

/* 左侧边栏 */
.contact-sidebar {
    flex: 1;
    max-width: 50%;
}

/* 联系页面购物车 */
.contact-cart {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.contact-cart-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.contact-cart-content {
    margin-bottom: 15px;
}

.contact-cart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px 0;
    color: #999;
}

.contact-cart-empty i {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.5;
}

.contact-cart-items {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-cart-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.contact-cart-hint {
    font-size: 0.8rem;
    color: #666;
    flex: 1;
    margin-right: 10px;
}

.btn-clear-cart-red {
    padding: 8px 15px;
    background: #ef4444;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-clear-cart-red:hover {
    background: #dc2626;
}

/* 联系信息盒子 */
.contact-info-box {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.contact-info-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.contact-info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contact-info-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    color: #666;
    font-size: 0.95rem;
}

.contact-info-list li i {
    color: #f59e0b;
    font-size: 1.1rem;
    margin-top: 2px;
}

/* 右侧表单 */
.contact-form-wrapper {
    flex: 1;
    max-width: 50%;
    position: sticky;
    top: 100px;
    align-self: flex-start;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border-radius: 8px;
    padding: 20px 30px 30px;
    margin-bottom: 20px;
}

.form-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f59e0b;
}

.contact-form {
    /* padding: 30px; */
}

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

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 0.95rem;
    color: #333;
    margin-bottom: 8px;
    font-weight: 500;
}
.form-group label::after{
    content:'*';
    color:red;
    margin-left: 4px;
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #f59e0b;
}

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

.form-cart-summary {
    background: #f9f9f9;
    border-radius: 8px;
    padding: 15px;
}

.form-cart-empty {
    color: #999;
    text-align: center;
    padding: 10px 0;
}

.form-cart-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-cart-item {
    font-size: 0.9rem;
    color: #333;
    padding: 5px 0;
    border-bottom: 1px solid #eee;
}

.form-cart-item:last-child {
    border-bottom: none;
}

.btn-submit {
    width: 100%;
    padding: 14px;
    background: #f59e0b;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    background: #e68a00;
    transform: translateY(-2px);
}
@media (min-width: 992px){
    .dropdown > .dropdown-menu{
        width: 200px;
    }
}
/* 联系页面响应式 */
@media (max-width: 992px) {
    .contact-wrapper {
        flex-direction: column-reverse;
    }
    
    .contact-sidebar,
    .contact-form-wrapper {
        max-width: 100%;
    }
    
    .contact-form-wrapper {
        position: static;
    }
}

@media (max-width: 576px) {
    .contact-section {
        padding: 40px 0;
    }
    
    .contact-form {
        padding: 20px;
    }
    
    .contact-cart-footer {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .btn-clear-cart-red {
        width: 100%;
    }
    
    .form-row {
        flex-direction: column;
        gap: 20px;
    }
}



/* 关于我们页面样式 */
/* 通用样式 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
    position: relative;
    /* display: inline-block; */
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: #f59e0b;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    margin-top: 20px;
}

/* 公司概览 */
.company-overview {
    padding: 100px 0;
    background: #f9f9f9;
}

.overview-wrapper {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.overview-left {
    flex: 1;
    position: relative;
}

.overview-image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.overview-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

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

.image-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: #f59e0b;
    color: #fff;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    box-shadow: 0 5px 15px rgba(245, 158, 11, 0.4);
}

.overview-right {
    flex: 1;
}

.overview-text h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 8px;
}

.company-fullname {
    font-size: 0.95rem;
    color: #f59e0b;
    margin-bottom: 25px;
    font-weight: 500;
    letter-spacing: 1px;
}

.overview-description {
    font-size: 1.05rem;
    line-height: 1.9;
    color: #555;
    margin-bottom: 20px;
}

/* 我们的优势 */
.company-advantages {
    padding: 100px 0;
    background: url(../images/bg-2.png);
}

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

.advantage-card {
    background: #f9f9f9;
    padding: 35px;
    border-radius: 16px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #f59e0b, #e68a00);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.advantage-card:hover::before {
    transform: scaleX(1);
}

.advantage-card:hover {
    box-shadow: rgba(99, 99, 99, 0.2) 0px 2px 8px 0px;
}

.card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #f59e0b 0%, #e68a00 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.card-icon i {
    font-size: 2rem;
    color: #fff;
}

.card-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.card-content p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: #666;
}

/* 业务流程 - 横向布局 */
.business-process {
    padding: 100px 0;
    background: url(../images/bg-3.jpg) no-repeat;
    background-size: 100% 100%;
}

.process-cards {
    display: flex;
    align-items: center;
    overflow-x: auto;
    gap: 15px;
    padding-bottom: 20px;
}

.process-card {
    flex: 1;
    min-width: 180px;
    max-width: 200px;
    background: #fff;
    padding: 25px 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
}

.process-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.process-card-number {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 2rem;
    font-weight: 700;
    color: #f59e0b;
    opacity: 0.2;
}

.process-card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #f59e0b 0%, #e68a00 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.process-card-icon i {
    font-size: 1.5rem;
    color: #fff;
}

.process-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.process-card p {
    font-size: 0.85rem;
    color: #666;
    line-height: 1.5;
}

.process-arrow {
    flex-shrink: 0;
    color: #f59e0b;
    font-size: 1.2rem;
}

/* 响应式 - 业务流程 */
@media (max-width: 1200px) {
    .process-cards {
        gap: 10px;
    }
    
    .process-card {
        min-width: 160px;
        max-width: 170px;
        padding: 20px 15px;
    }
}

@media (max-width: 992px) {
    .process-cards {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .process-arrow {
        display: none;
    }
    
    .process-card {
        max-width: none;
    }
}

@media (max-width: 768px) {
    .process-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .process-cards {
        grid-template-columns: 1fr;
    }
    
    .process-card {
        min-width: auto;
    }
}

/* 客户接待 */
.customer-reception {
    padding: 100px 0;
    background: #fff;
}

.reception-wrapper {
    display: flex;
    gap: 60px;
    align-items: center;
}

.reception-left {
    flex: 1;
}

.reception-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.reception-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

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

.reception-right {
    flex: 1;
}

.reception-content {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 30px;
}

.reception-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.reception-item:hover {
    /* transform: translateX(10px); */
    background: #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.item-icon {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, #f59e0b 0%, #e68a00 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.item-icon i {
    font-size: 1.5rem;
    color: #fff;
}

.item-text h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.item-text p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
}

/* 结语 */
.company-conclusion {
    padding: 100px 0;
    background: linear-gradient(135deg, #f59e0b 0%, #e68a00 100%);
    color: #fff;
    text-align: center;
}

.conclusion-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.conclusion-icon {
    font-size: 4rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.conclusion-wrapper h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 30px;
}

.conclusion-main {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 20px;
    opacity: 0.95;
}

.conclusion-sub {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 30px;
    opacity: 0.9;
}

.conclusion-highlight {
    background: rgba(255, 255, 255, 0.2);
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 40px;
}

.conclusion-highlight p {
    font-size: 1.3rem;
    font-weight: 600;
}

.conclusion-wrapper .btn-primary {
    background: #fff;
    color: #f59e0b;
    border: 2px solid #fff;
    padding: 15px 50px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.conclusion-wrapper .btn-primary:hover {
    background: transparent;
    color: #fff;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .overview-wrapper,
    .reception-wrapper {
        gap: 40px;
    }
    
    .advantages-grid {
        gap: 25px;
    }
    
    .advantage-card {
        padding: 30px;
    }
}

@media (max-width: 992px) {
    .overview-wrapper {
        flex-direction: column;
    }
    
    .overview-left {
        order: -1;
    }
    
    .overview-right {
        width: 100%;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .reception-wrapper {
        flex-direction: column;
    }
    
    .reception-left {
        width: 100%;
        order: -1;
    }
    
    .reception-right {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .company-overview,
    .company-advantages,
    .business-process,
    .customer-reception,
    .company-conclusion {
        padding: 70px 0;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .card-icon {
        width: 60px;
        height: 60px;
    }
    
    .card-icon i {
        font-size: 1.5rem;
    }
    
    .conclusion-wrapper h2 {
        font-size: 2rem;
    }
    
    .conclusion-main,
    .conclusion-highlight p {
        font-size: 1.1rem;
    }
}

@media (max-width: 576px) {
    .section-title {
        font-size: 1.6rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .company-overview,
    .company-advantages,
    .business-process,
    .customer-reception,
    .company-conclusion {
        padding: 50px 0;
    }
    
    .overview-text h3 {
        font-size: 1.5rem;
    }
    
    .company-fullname {
        font-size: 0.85rem;
    }
    
    .overview-description {
        font-size: 1rem;
    }
}

/* 侧边栏菜单项基础样式调整 */
.category-nav li {
    position: relative;
    list-style: none;
}

/* 含有子菜单的项 */
.category-nav .has-submenu {
    display: flex;
    flex-direction: column;
}

/* 子菜单头部：包含链接和按钮 */
.submenu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.submenu-header a {
    flex-grow: 1;
    /* 保持原有的链接样式，例如 padding, color 等 */
    text-decoration: none;
    display: block;
    padding: 10px 0; /* 根据实际设计调整 */
}

/* 展开/收起按钮样式 */
.submenu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    color: inherit; /* 继承文字颜色 */
    transition: transform 0.3s ease;
}

.submenu-toggle:hover {
    color: #ff6600; /* 悬停颜色，根据主题色调整 */
}

/* 子菜单列表样式 */
.submenu-list {
    list-style: none;
    padding-left: 20px; /* 缩进显示层级 */
    margin-top: 5px;
    overflow: hidden;
    max-height: 1000px; /* 足够大以显示所有内容 */
    transition: max-height 0.3s ease-in-out, opacity 0.3s ease;
    opacity: 1;
}

/* 默认隐藏状态（当没有 open 类时） */
.has-submenu:not(.open) .submenu-list {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
}

/* 图标旋转：当未展开时旋转 -90度 或 180度，取决于初始图标方向 */
.has-submenu:not(.open) .submenu-toggle i {
    transform: rotate(-90deg);
}

/* 子菜单链接样式 */
.submenu-list li a {
    display: block;
    padding: 5px 10px;
    font-size: 0.9em;
    color: #666; /* 次要文字颜色 */
    text-decoration: none;
}

.submenu-list li a:hover {
    color: #ff6600;
}
.submenu-list li a.active:hover{
    background: #f59e0b;
    color: #fff;
}



/* ... existing code ... */

/* 发货方式模块 */
.shipping-methods {
    padding: 80px 0;
    background: #f9f9f9;
}

.shipping-methods .section-header {
    margin-bottom: 40px;
}

.shipping-intro {
    max-width: 900px;
    margin: 0 auto 50px;
    text-align: center;
}

.shipping-intro p {
    font-size: 1rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 15px;
}

.shipping-intro .highlight-text {
    font-weight: 600;
    color: #f59e0b;
    font-size: 1.1rem;
    margin-top: 20px;
}

.shipping-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.shipping-card {
    background: #fff;
    border-radius: 12px;
    padding: 35px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.shipping-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #f59e0b, #e68a00);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.shipping-card:hover::before {
    transform: scaleX(1);
}

.shipping-card:hover {
    /* transform: translateY(-5px); */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.shipping-card.featured {
    border: 2px solid #f59e0b;
}

.shipping-card.featured::before {
    transform: scaleX(1);
}

.shipping-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #f59e0b 0%, #e68a00 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.shipping-icon i {
    font-size: 2rem;
    color: #fff;
}

.shipping-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.shipping-capacity {
    font-size: 0.9rem;
    color: #999;
    margin-bottom: 20px;
    font-style: italic;
}

.shipping-advantage {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 8px;
    margin-top: 20px;
}

.shipping-advantage h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #f59e0b;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.shipping-advantage h4 i {
    font-size: 1.1rem;
}

.shipping-advantage p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 响应式设计 - 发货方式 */
@media (max-width: 992px) {
    .shipping-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .shipping-card {
        padding: 30px;
    }
}

@media (max-width: 576px) {
    .shipping-methods {
        padding: 60px 0;
    }
    
    .shipping-card {
        padding: 25px;
    }
    
    .shipping-icon {
        width: 60px;
        height: 60px;
    }
    
    .shipping-icon i {
        font-size: 1.5rem;
    }
    
    .shipping-card h3 {
        font-size: 1.1rem;
    }
    
    .shipping-intro p {
        font-size: 0.95rem;
    }
}

/* ... existing code ... */


/* ... existing code ... */

/* 全球客户模块 */
.global-customers {
    padding: 80px 0;
    background: #f5f5f5;
}

.customer-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.stat-box {
    padding: 30px;
    background: linear-gradient(135deg, #f59e0b 0%, #e68a00 100%);
    border-radius: 12px;
    color: #fff;
    min-width: 180px;
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.3);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-box:hover {
    /* transform: translateY(-5px); */
    box-shadow: 0 15px 40px rgba(245, 158, 11, 0.4);
}

.stat-box i {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: block;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* 世界地图容器 */
.world-map {
    width: 100%;
    height: 500px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 40px;
    border: 2px solid #e0e0e0;
}

/* 自定义标记点样式 */
.custom-marker {
    position: relative;
}

.marker-pulse {
    width: 20px;
    height: 20px;
    background: #f59e0b;
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 0 0 rgba(245, 158, 11, 0.4);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(245, 158, 11, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(245, 158, 11, 0);
    }
}

/* 地图弹窗样式 */
.map-popup {
    min-width: 180px;
}

.map-popup h4 {
    font-size: 1.1rem;
    color: #333;
    margin: 0 0 10px 0;
    padding-bottom: 8px;
    border-bottom: 2px solid #f59e0b;
}

.map-popup p {
    font-size: 0.9rem;
    color: #666;
    margin: 5px 0;
}

.map-popup strong {
    color: #333;
}

/* 地图图例 */
.map-legend {
    background: #fff;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    line-height: 1.6;
}

.map-legend h4 {
    font-size: 0.95rem;
    color: #333;
    margin: 0 0 10px 0;
    display: flex;
    align-items: center;
    gap: 5px;
}

.map-legend h4 i {
    color: #f59e0b;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: #666;
}

.legend-color {
    width: 16px;
    height: 16px;
    background: #f59e0b;
    border-radius: 50%;
    border: 2px solid #fff;
    box-shadow: 0 0 5px rgba(245, 158, 11, 0.5);
}

/* 客户地区列表 */
.customer-regions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.region-group {
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    border-left: 4px solid #f59e0b;
}

.region-group h4 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.region-group h4 i {
    color: #f59e0b;
    font-size: 1.3rem;
}

.country-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.country-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 15px;
    background: #fff;
    border-radius: 20px;
    font-size: 0.9rem;
    color: #333;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.country-tag:hover {
    background: #f59e0b;
    color: #fff;
    /* transform: translateY(-2px); */
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.country-tag i {
    color: #10b981;
    font-size: 0.8rem;
}

.country-tag:hover i {
    color: #fff;
}

/* 响应式设计 - 全球客户 */
@media (max-width: 992px) {
    .customer-stats {
        gap: 30px;
    }
    
    .stat-box {
        min-width: 150px;
        padding: 25px;
    }
    
    .world-map {
        height: 400px;
    }
    
    .customer-regions {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .customer-stats {
        flex-direction: column;
        align-items: center;
    }
    
    .stat-box {
        width: 100%;
        max-width: 300px;
    }
    
    .world-map {
        height: 350px;
    }
}

@media (max-width: 576px) {
    .global-customers {
        padding: 60px 0;
    }
    
    .world-map {
        height: 300px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-box i {
        font-size: 2rem;
    }
    
    .region-group {
        padding: 20px;
    }
    
    .country-tag {
        padding: 6px 12px;
        font-size: 0.85rem;
    }
}

/* ... existing code ... */


/* ... existing code ... */

/* 世界地图容器 */
.world-map {
    width: 100%;
    height: 500px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 40px;
    border: 2px solid #e0e0e0;
    background: #f5f5f5;
}

/* ... existing code ... */