:root {
    --primary-color: #01a3bc;
    --secondary-color: #ea6ea4;
    --primary-dark: #018a9e;
    --secondary-dark: #d85990;
    --background-color: #f8f9fa;
    --text-color: #333;
    --light-gray: #6c757d;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    padding-top: 80px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

/* 顶部栏样式 */
.top-bar {
    background-color: #f8f9fa;
    padding: 5px 0;
}

.language-switch {
    text-align: right;
}

.language-switch a {
    color: var(--secondary-color);
    text-decoration: none;
    margin-left: 15px;
    font-size: 14px;
}

/* 导航栏样式优化 */
.main-nav {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(1, 163, 188, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

/* 滚动时导航栏样式 */
.main-nav.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 15px rgba(1, 163, 188, 0.15);
}

.main-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    padding: 0;
}

.logo-img {
    height: 60px;
    width: auto;
    display: block;
    transition: transform 0.3s ease;
}

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

.nav-links {
    list-style: none;
    display: flex;
    gap: 40px;
    margin-left: auto;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    padding: 30px 0;
    position: relative;
    transition: color 0.3s ease;
}

/* 导航链接悬停效果 */
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 25px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-color);
}

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

/* 当前活动页面的样式 */
.nav-links a.active {
    color: var(--primary-color);
}

.nav-links a.active::after {
    width: 100%;
}

/* 响应式导航栏 */
@media (max-width: 768px) {
    .main-nav {
        padding: 10px 0;
    }

    .main-nav .container {
        height: auto;
        flex-direction: column;
        padding: 10px 15px;
    }

    .logo-img {
        height: 50px;
        margin-bottom: 15px;
    }

    .nav-links {
        flex-direction: column;
        gap: 5px;
        width: 100%;
        text-align: center;
    }

    .nav-links a {
        padding: 10px 0;
        display: block;
    }

    .nav-links a::after {
        bottom: 5px;
    }
}

/* 内容区域样式 */
section {
    padding: 100px 0;
}

.about-section {
    background-color: var(--background-color);
    padding: 80px 0;
}

.about-container {
    display: flex;
    gap: 60px;
    align-items: center;
}

.about-content {
    flex: 1;
    padding-right: 60px;
}

.about-description {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 40px;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(1, 163, 188, 0.1);
    border-left: 4px solid var(--primary-color);
}

.about-features {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.about-features li {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(1, 163, 188, 0.1);
    transition: transform 0.3s ease;
}

.about-features li:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(1, 163, 188, 0.1);
    border-radius: 50%;
    padding: 12px;
}

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

.about-features li span {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-color);
}

/* 视频容器样式优化 */
.about-video {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    aspect-ratio: 16/9; /* 保持16:9的比例 */
    max-width: 600px; /* 限制最大宽度 */
}

.about-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 10px;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .about-container {
        flex-direction: column;
        gap: 40px;
    }

    .about-content, 
    .about-video {
        width: 100%;
    }

    .about-content {
        padding-right: 0;
        margin-bottom: 40px;
    }
}

@media (max-width: 576px) {
    .about-features {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .about-description {
        font-size: 16px;
        padding: 15px;
    }

    .about-features li {
        padding: 15px;
    }
}

/* 文章卡片样式 */
.article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.article-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* 页脚样式 */
footer {
    background-color: #004d59;
    color: white;
    padding: 40px 0 20px;
}

.footer-content {
    display: block;
    text-align: center;
    margin-bottom: 30px;
}

.contact-info p {
    margin: 10px 0;
}

.copyright {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.copyright a {
    color: white;
    text-decoration: none;
}

.copyright a:hover {
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        flex-direction: column;
        gap: 15px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* 轮播图样式 */
.hero-section {
    position: relative;
    height: 500px;
    overflow: hidden;
    padding: 0;
    margin-top: -80px;
}

.slider {
    position: relative;
    height: 100%;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.slide.active {
    opacity: 1;
}

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

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    width: 80%;
    max-width: 800px;
    padding: 20px;
    background: rgba(1, 163, 188, 0.8);
    border-radius: 8px;
}

.slide-content h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.slide-content p {
    font-size: 18px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero-section {
        height: 300px;
    }

    .slide-content h2 {
        font-size: 24px;
    }

    .slide-content p {
        font-size: 16px;
    }
}

/* 修改特色医疗卡片样式 */
.service-card {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    border-top: 3px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    border-top-color: var(--primary-color);
    box-shadow: 0 6px 20px rgba(1, 163, 188, 0.15);
}

/* 修改服务弹窗样式 */
.service-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1100;
    overflow-y: auto;
}

.service-modal .modal-content {
    position: relative;
    background-color: white;
    width: 90%;
    max-width: 800px;
    margin: 50px auto;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.service-modal .modal-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.service-modal .modal-icon {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    margin-bottom: 0;
}

.service-modal .modal-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.service-modal .modal-title {
    color: var(--primary-color);
    font-size: 28px;
    margin-bottom: 0;
    flex-grow: 1;
}

.service-modal .modal-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-color);
}

/* 移除原有的service-link样式，因为不再需要了 */
.service-link {
    display: none;
}

/* 修改logo相关样式 */
.logo {
    padding: 10px 0;
}

.logo-img {
    height: 50px;
    width: auto;
    display: block;
}

/* 调整导航栏布局 */
.main-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-links {
    margin-left: auto;
}

/* 健康知识部分样式优化 */
.knowledge-section {
    background-color: #fff;
    padding: 80px 0;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.article-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(1, 163, 188, 0.15);
}

.article-image {
    height: 200px;
    overflow: hidden;
}

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

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

.article-content {
    padding: 20px;
}

.article-tag {
    display: inline-block;
    padding: 4px 12px;
    background-color: var(--secondary-color);
    color: white;
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 12px;
}

.article-card h3 {
    color: var(--text-color);
    font-size: 20px;
    margin-bottom: 12px;
    line-height: 1.4;
}

.article-card p {
    color: var(--secondary-color);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.date {
    color: var(--light-gray);
    font-size: 14px;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: var(--primary-dark);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .article-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .article-image {
        height: 180px;
    }

    .article-content {
        padding: 15px;
    }
}

/* 响应式布局调整 */
@media (max-width: 992px) {
    .article-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .article-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* 文章弹窗样式 */
.article-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1100;
    overflow-y: auto;
}

.modal-content {
    position: relative;
    background-color: white;
    width: 90%;
    max-width: 800px;
    margin: 50px auto;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.close-modal {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 30px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.close-modal:hover {
    color: var(--primary-color);
}

.modal-header {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.modal-tag {
    display: inline-block;
    padding: 4px 12px;
    background-color: var(--secondary-color);
    color: white;
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 10px;
}

.modal-title {
    font-size: 24px;
    color: var(--text-color);
    margin: 10px 0;
}

.modal-date {
    display: block;
    color: var(--light-gray);
    font-size: 14px;
}

.modal-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-color);
}

/* 让文章卡片可点击 */
.article-card {
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* 修改body样式，防止弹窗出现时页面滚动 */
body.modal-open {
    overflow: hidden;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        margin: 20px auto;
        padding: 20px;
    }
    
    .modal-title {
        font-size: 20px;
    }
}

/* 修改特色医疗网格布局 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 改为4列 */
    gap: 30px;
    margin-top: 40px;
}

/* 服务卡片响应式样式调整 */
@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr); /* 中等屏幕下改为2列 */
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr; /* 移动端改为单列 */
        gap: 20px;
    }
}

/* 优化服务卡片样式 */
.service-card {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 30px 25px; /* 调整内边距以适应4列布局 */
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    border-top: 3px solid transparent;
}

.service-icon {
    width: 70px; /* 稍微减小图标尺寸 */
    height: 70px;
    margin-bottom: 15px;
}

.service-card h3 {
    margin: 12px 0;
    color: var(--text-color);
    font-size: 18px; /* 调整标题字体大小 */
    text-align: center;
}

.service-card p {
    text-align: center;
    color: var(--light-gray);
    margin-bottom: 0;
    font-size: 14px; /* 调整描述文字大小 */
    line-height: 1.5;
}

/* 板块标题统一样式 */
.section-title {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    font-size: 32px;
    color: var(--text-color);
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

/* 各板块背景色交替 */
.about-section {
    background-color: var(--background-color);
}

.services-section {
    background-color: white;
}

.knowledge-section {
    background-color: var(--background-color);
}

/* 响应式调整 */
@media (max-width: 768px) {
    body {
        padding-top: 60px;
    }

    .section-title {
        font-size: 28px;
        margin-bottom: 40px;
    }

    section {
        padding: 60px 0;
    }

    .container {
        padding: 0 20px;
    }
}

/* 响应式调整 */
@media (max-width: 768px) {
    .service-modal .modal-header {
        gap: 15px;
    }
    
    .service-modal .modal-icon {
        width: 40px;
        height: 40px;
    }
    
    .service-modal .modal-title {
        font-size: 24px;
    }
}