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

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* 头部样式 */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo h1 {
    color: #2e7d32;
    font-size: 1.8rem;
}

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

nav ul li {
    margin-left: 15px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 18px;
    transition: color 0.3s;
    padding: 8px 12px;
    border-radius: 4px;
}

nav ul li a:hover,
nav ul li a.active {
    color: #2e7d32;
    background-color: #e8f5e9;
}

/* 主要内容区域 */
main {
    padding: 40px 0;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #2e7d32, #4caf50);
    color: white;
    text-align: center;
    padding: 80px 0;
    margin-bottom: 40px;
    border-radius: 0 0 20px 20px;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 30px;
}

.btn {
    display: inline-block;
    background-color: #fff;
    color: #2e7d32;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    transition: all 0.3s;
    border: 2px solid #fff;
}

.btn:hover {
    background-color: transparent;
    color: #222;
}

/* 产品页面英雄区域 */
.products-hero {
    background: linear-gradient(135deg, #1b5e20, #388e3c);
    color: white;
    text-align: center;
    padding: 100px 0;
    margin-bottom: 40px;
    border-radius: 0 0 20px 20px;
}

.products-hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.products-hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

/* 服务中心页面英雄区域 */
.services-hero {
    background: linear-gradient(135deg, #00695c, #009688);
    color: white;
    text-align: center;
    padding: 100px 0;
    margin-bottom: 40px;
    border-radius: 0 0 20px 20px;
}

.services-hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.services-hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

/* 新闻页面英雄区域 */
.news-hero {
    background: linear-gradient(135deg, #01579b, #0288d1);
    color: white;
    text-align: center;
    padding: 100px 0;
    margin-bottom: 40px;
    border-radius: 0 0 20px 20px;
}

.news-hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.news-hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

/* 联系方式页面英雄区域 */
.contact-hero {
    background: linear-gradient(135deg, #6a1b9a, #9c27b0);
    color: white;
    text-align: center;
    padding: 100px 0;
    margin-bottom: 40px;
    border-radius: 0 0 20px 20px;
}

.contact-hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contact-hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

/* 常见问题页面英雄区域 */
.faq-hero {
    background: linear-gradient(135deg, #e65100, #ef6c00);
    color: white;
    text-align: center;
    padding: 100px 0;
    margin-bottom: 40px;
    border-radius: 0 0 20px 20px;
}

.faq-hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.faq-hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

/* FAQ部分 */
.faq-section {
    background-color: #fff;
    padding: 60px 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
}

.faq-section h2 {
    text-align: center;
    color: #2e7d32;
    margin-bottom: 40px;
    font-size: 2rem;
}

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

.faq-item {
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.faq-question {
    background-color: #fff3e0;
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question h3 {
    color: #ef6c00;
    margin: 0;
    font-size: 1.2rem;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: bold;
    color: #ef6c00;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.faq-answer {
    background-color: #fff;
    padding: 0 20px;
    display: none;
}

.faq-answer p,
.faq-answer ul,
.faq-answer ol {
    margin-bottom: 15px;
    color: #666;
}

.faq-answer ul,
.faq-answer ol {
    padding-left: 20px;
}

.faq-answer li {
    margin-bottom: 8px;
}

.faq-answer strong {
    color: #333;
}

.faq-item.active .faq-question {
    background-color: #ffe0b2;
}

/* FAQ联系 */
.faq-contact {
    background-color: #fff;
    padding: 60px 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
    text-align: center;
}

.faq-contact h2 {
    color: #2e7d32;
    margin-bottom: 20px;
    font-size: 2rem;
}

.faq-contact p {
    color: #666;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

.contact-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-option {
    padding: 30px;
    border-radius: 10px;
    background-color: #fff3e0;
    transition: all 0.3s;
}

.contact-option:hover {
    background-color: #ffcc80;
    transform: translateY(-10px);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.contact-option h3 {
    color: #ef6c00;
    margin-bottom: 15px;
}

/* 联系信息 */
.contact-info-section {
    background-color: #fff;
    padding: 60px 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
}

.contact-info-section h2 {
    text-align: center;
    color: #2e7d32;
    margin-bottom: 40px;
    font-size: 2rem;
}

.contact-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-card {
    text-align: center;
    padding: 40px 20px;
    border-radius: 10px;
    background-color: #f3e5f5;
    transition: all 0.3s;
}

.contact-card:hover {
    background-color: #e1bee7;
    transform: translateY(-10px);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.contact-card h3 {
    color: #6a1b9a;
    margin-bottom: 15px;
}

/* 部门联系人 */
.departments {
    background-color: #fff;
    padding: 60px 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
}

.departments h2 {
    text-align: center;
    color: #2e7d32;
    margin-bottom: 40px;
    font-size: 2rem;
}

.department-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.department {
    padding: 30px;
    border-radius: 10px;
    background-color: #e8f5e9;
}

.department h3 {
    color: #2e7d32;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #c8e6c9;
}

.contact-person {
    margin-bottom: 15px;
    padding: 10px;
    background-color: #fff;
    border-radius: 5px;
}

.contact-person:last-child {
    margin-bottom: 0;
}

.contact-person p:first-child {
    font-weight: bold;
    color: #333;
    margin-bottom: 5px;
}

.contact-person p:last-child {
    color: #666;
    font-size: 0.9rem;
}

/* 地图信息 */
.contact-map {
    background-color: #fff;
    padding: 60px 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
    text-align: center;
}

.contact-map h2 {
    color: #2e7d32;
    margin-bottom: 40px;
    font-size: 2rem;
}

.map-placeholder {
    height: 300px;
    background-color: #e0e0e0;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
}

.map-placeholder p {
    color: #999;
    font-size: 1.2rem;
}

.map-info {
    text-align: left;
    max-width: 600px;
    margin: 0 auto;
}

.map-info p {
    margin-bottom: 15px;
    padding: 10px;
    background-color: #f5f5f5;
    border-radius: 5px;
}

/* 新闻筛选 */
.news-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 20px;
    background-color: #e3f2fd;
    color: #0288d1;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: #0288d1;
    color: white;
}

/* 新闻列表 */
.news-articles {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.news-article {
    display: flex;
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.news-article:hover {
    transform: translateY(-10px);
}

.article-image {
    flex: 0 0 35%;
    background-color: #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder {
    color: #999;
    font-size: 1.2rem;
}

.article-content {
    flex: 1;
    padding: 30px;
}

.article-meta {
    display: flex;
    margin-bottom: 15px;
}

.category {
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    margin-right: 15px;
}

.category.company {
    background-color: #e8f5e9;
    color: #2e7d32;
}

.category.industry {
    background-color: #e3f2fd;
    color: #0288d1;
}

.category.product {
    background-color: #fff3e0;
    color: #ef6c00;
}

.date {
    color: #888;
    font-size: 0.9rem;
    align-self: center;
}

.article-content h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.excerpt {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.7;
}

.read-more {
    color: #0288d1;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
}

.read-more::after {
    content: "→";
    margin-left: 5px;
    transition: margin-left 0.3s;
}

.read-more:hover::after {
    margin-left: 10px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.page-link {
    display: inline-block;
    padding: 10px 15px;
    background-color: #fff;
    color: #333;
    text-decoration: none;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

.page-link:hover,
.page-link.active {
    background-color: #0288d1;
    color: white;
}

/* 服务概述 */
.service-overview {
    background-color: #fff;
    padding: 60px 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
}

.service-overview h2 {
    text-align: center;
    color: #2e7d32;
    margin-bottom: 40px;
    font-size: 2rem;
}

.services-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-item {
    text-align: center;
    padding: 40px 20px;
    border-radius: 10px;
    background-color: #e0f2f1;
    transition: all 0.3s;
}

.service-item:hover {
    background-color: #b2dfdb;
    transform: translateY(-10px);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-item h3 {
    color: #00695c;
    margin-bottom: 15px;
}

/* 服务流程 */
.service-process {
    background-color: #fff;
    padding: 60px 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
}

.service-process h2 {
    text-align: center;
    color: #2e7d32;
    margin-bottom: 40px;
    font-size: 2rem;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.step {
    text-align: center;
    padding: 30px 20px;
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: #2e7d32;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 20px;
}

.step h3 {
    color: #2e7d32;
    margin-bottom: 15px;
}

/* 服务承诺 */
.service-commitment {
    background-color: #fff;
    padding: 60px 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
}

.service-commitment h2 {
    text-align: center;
    color: #2e7d32;
    margin-bottom: 40px;
    font-size: 2rem;
}

.commitments {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.commitment {
    padding: 30px;
    border-radius: 10px;
    background-color: #e8f5e9;
    text-align: center;
}

.commitment h3 {
    color: #2e7d32;
    margin-bottom: 15px;
}

/* 服务联系 */
.service-contact {
    background-color: #fff;
    padding: 60px 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
    text-align: center;
}

.service-contact h2 {
    color: #2e7d32;
    margin-bottom: 40px;
    font-size: 2rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.contact-item {
    padding: 30px;
    border-radius: 10px;
    background-color: #e0f2f1;
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.contact-item h3 {
    color: #00695c;
    margin-bottom: 15px;
}

.cta {
    margin-top: 30px;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

/* 产品分类 */
.product-categories {
    background-color: #fff;
    padding: 60px 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
}

.product-categories h2 {
    text-align: center;
    color: #2e7d32;
    margin-bottom: 40px;
    font-size: 2rem;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.category {
    text-align: center;
    padding: 40px 20px;
    border-radius: 10px;
    background-color: #e8f5e9;
    transition: all 0.3s;
}

.category:hover {
    background-color: #c8e6c9;
    transform: translateY(-10px);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.category h3 {
    color: #2e7d32;
    margin-bottom: 15px;
}

/* 热门产品 */
.featured-products {
    background-color: #fff;
    padding: 60px 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
}

.featured-products h2 {
    text-align: center;
    color: #2e7d32;
    margin-bottom: 40px;
    font-size: 2rem;
}

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

.product {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.product:hover {
    transform: translateY(-10px);
}

.product-image {
    height: 200px;
    background-color: #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder {
    color: #999;
    font-size: 1.2rem;
}

.product-info {
    padding: 25px;
    background-color: #fff;
}

.product-info h3 {
    color: #2e7d32;
    margin-bottom: 15px;
}

.product-desc {
    color: #666;
    margin-bottom: 20px;
}

.product-price {
    font-size: 1.5rem;
    font-weight: bold;
    color: #e53935;
    margin-bottom: 20px;
}

/* 产品优势 */
.product-advantages {
    background-color: #fff;
    padding: 60px 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
}

.product-advantages h2 {
    text-align: center;
    color: #2e7d32;
    margin-bottom: 40px;
    font-size: 2rem;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.advantage {
    text-align: center;
    padding: 30px 20px;
    border-radius: 10px;
    background-color: #f1f8e9;
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.advantage h3 {
    color: #2e7d32;
    margin-bottom: 15px;
}

/* 简介区域 */
.intro {
    padding: 60px 0;
    background-color: #fff;
    margin-bottom: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.intro h2 {
    text-align: center;
    color: #2e7d32;
    margin-bottom: 40px;
    font-size: 2rem;
}

.intro-content p {
    text-align: center;
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 40px;
    color: #666;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature {
    text-align: center;
    padding: 30px 20px;
    border-radius: 10px;
    transition: transform 0.3s;
}

.feature:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature .icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature h3 {
    color: #2e7d32;
    margin-bottom: 15px;
}

/* 新闻动态 */
.news {
    background-color: #fff;
    padding: 60px 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
}

.news h2 {
    text-align: center;
    color: #2e7d32;
    margin-bottom: 40px;
    font-size: 2rem;
}

.news-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.news-item {
    padding: 25px;
    border-radius: 10px;
    background-color: #f1f8e9;
    transition: all 0.3s;
}

.news-item:hover {
    background-color: #e8f5e9;
    transform: translateY(-5px);
}

.news-item h3 {
    color: #2e7d32;
    margin-bottom: 10px;
}

.date {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

/* 业务范围 */
.services {
    background-color: #fff;
    padding: 60px 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
}

.services h2 {
    text-align: center;
    color: #2e7d32;
    margin-bottom: 40px;
    font-size: 2rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service {
    padding: 30px;
    border-radius: 10px;
    background-color: #e8f5e9;
    text-align: center;
    transition: all 0.3s;
}

.service:hover {
    background-color: #c8e6c9;
    transform: scale(1.03);
}

.service h3 {
    color: #2e7d32;
    margin-bottom: 15px;
}

/* 成功案例 */
.cases {
    background-color: #fff;
    padding: 60px 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
}

.cases h2 {
    text-align: center;
    color: #2e7d32;
    margin-bottom: 40px;
    font-size: 2rem;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.case {
    padding: 30px;
    border-radius: 10px;
    background: linear-gradient(135deg, #4caf50, #2e7d32);
    color: white;
    text-align: center;
}

.case h3 {
    margin-bottom: 15px;
}

/* 人才发展 */
.careers {
    background-color: #fff;
    padding: 60px 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
    text-align: center;
}

.careers h2 {
    color: #2e7d32;
    margin-bottom: 20px;
    font-size: 2rem;
}

.careers .container > p {
    max-width: 700px;
    margin: 0 auto 40px;
    color: #666;
    font-size: 1.1rem;
}

.career-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.benefit {
    padding: 30px;
    border-radius: 10px;
    background-color: #e8f5e9;
}

.benefit h3 {
    color: #2e7d32;
    margin-bottom: 15px;
}

/* 页脚 */
footer {
    background-color: #2e7d32;
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3 {
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background-color: #c8e6c9;
}

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

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

.footer-section ul li a {
    color: #c8e6c9;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: #fff;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #4caf50;
    color: #c8e6c9;
}

/* 知识库页面 */
.knowledge-hero {
    background: linear-gradient(135deg, #558b2f, #8bc34a);
    color: white;
    text-align: center;
    padding: 100px 0;
    margin-bottom: 40px;
    border-radius: 0 0 20px 20px;
}

.knowledge-hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.knowledge-hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

.knowledge-content {
    background-color: #fff;
    padding: 60px 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
}

.knowledge-intro {
    text-align: center;
    margin-bottom: 50px;
}

.knowledge-intro h2 {
    color: #2e7d32;
    margin-bottom: 20px;
    font-size: 2rem;
}

.knowledge-intro p {
    max-width: 800px;
    margin: 0 auto;
    color: #666;
    font-size: 1.1rem;
    line-height: 1.8;
}

.knowledge-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
}

.knowledge-category {
    background-color: #f1f8e9;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}

.knowledge-category h3 {
    color: #2e7d32;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #c8e6c9;
    font-size: 1.5rem;
}

.knowledge-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.knowledge-item {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.knowledge-item h4 {
    color: #558b2f;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.knowledge-item p {
    color: #666;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
    }

    nav ul {
        margin-top: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }

    nav ul li {
        margin: 5px 10px;
    }

    .hero h2 {
        font-size: 2rem;
    }

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

    .news-article {
        flex-direction: column;
    }

    .article-image {
        flex: 0 0 auto;
        height: 200px;
    }

    .features,
    .services-grid,
    .cases-grid,
    .career-benefits,
    .categories-grid,
    .products-grid,
    .advantages-grid,
    .services-container,
    .process-steps,
    .commitments,
    .contact-info,
    .contact-details,
    .department-grid,
    .contact-options {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 50px 0;
    }

    .hero h2 {
        font-size: 1.5rem;
    }

    .products-hero,
    .services-hero,
    .news-hero,
    .contact-hero,
    .faq-hero {
        padding: 60px 0;
    }

    .article-content {
        padding: 20px;
    }

    .article-content h3 {
        font-size: 1.3rem;
    }

    .faq-question {
        padding: 15px;
    }

    .faq-question h3 {
        font-size: 1rem;
    }
}