/* 
 * 道珉优品
 */

/* ===== 基础样式 ===== */
:root {
    /* 颜色变量 */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --gray-color: #e2e8f0;
    --text-color: #334155;
    --text-light: #94a3b8;
    
    /* 尺寸变量 */
    --header-height: 80px;
    --container-width: 1200px;
    --section-spacing: 100px;
    
    /* 过渡效果 */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    /* font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif; */
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: var(--section-spacing) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--secondary-color);
    max-width: 600px;
    margin: 0 auto;
}

.bg-light {
    background-color: var(--light-color);
}

.img-fluid {
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* ===== 按钮样式 ===== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 10px 28px;
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.1);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid transparent;
    padding: 10px 28px;
    position: relative;
}

.btn-outline::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.btn-outline:hover::after {
    width: 100%;
}

/* ===== 导航栏 ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo a {
    display: flex;
    align-items: center;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--dark-color);
    letter-spacing: 1px;
}

.logo span {
    color: var(--primary-color);
}

.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
}

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

.nav-link {
    font-weight: 600;
    font-size: 1rem;
    color: var(--dark-color);
    padding: 10px 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: var(--transition);
    background-color: var(--dark-color);
}

/* ===== 英雄区域 ===== */
.hero {
    height: 100vh;
    min-height: 600px;
    /* background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://dummyimage.com/1920x1080') no-repeat center center; */
    background: linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.1)), url('../images/index.jpeg') no-repeat center center;
    background-size: cover;
    background-attachment: scroll;
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
    margin-top: var(--header-height);
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* ===== 关于我们 ===== */
.about-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.about-image {
    flex: 1;
}

/* ===== 服务/产品展示 ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: white;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.service-description {
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.service-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
}

.service-link i {
    margin-left: 5px;
    transition: var(--transition);
}

.service-link:hover i {
    transform: translateX(5px);
}

/* ===== 客户评价 ===== */
.testimonials-slider {
    display: flex;
    gap: 30px;
    overflow-x: auto;
    padding: 20px 0;
    scrollbar-width: none; /* Firefox */
}

.testimonials-slider::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Edge */
}

.testimonial {
    flex: 0 0 calc(50% - 15px);
    min-width: 300px;
}

.testimonial-content {
    background-color: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 30px;
    color: var(--text-color);
    position: relative;
}

.testimonial-text::before {
    content: '"';
    font-size: 4rem;
    position: absolute;
    top: -20px;
    left: -10px;
    color: var(--gray-color);
    opacity: 0.5;
    font-family: serif;
}

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

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: 15px;
}

.testimonial-name {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.testimonial-position {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ===== 联系我们 ===== */
.contact-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.contact-info {
    flex: 2;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-action {
    flex: 1;
    text-align: center;
}

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

.contact-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 15px;
    padding-top: 5px;
}

.contact-text h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--dark-color);
}

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

/* ===== 页脚 ===== */
.footer {
    background-color: var(--dark-color);
    color: white;
    padding: 80px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo {
    flex: 1;
    min-width: 250px;
}

.footer-logo h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.footer-logo span {
    color: var(--primary-color);
}

.footer-logo p {
    color: var(--text-light);
}

.footer-links {
    flex: 2;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-links-column {
    min-width: 150px;
}

.footer-links-column h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links-column h3::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
    bottom: 0;
    left: 0;
}

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

.footer-links-column ul li a {
    color: var(--text-light);
}

.footer-links-column ul li a:hover {
    color: white;
    padding-left: 5px;
}

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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    transition: var(--transition);
    position: relative; /* 添加相对定位，作为二维码的参考点 */
}

.social-link:hover {
    background-color: var(--primary-color);
    /* 移除向上移动效果，防止鼠标悬停时闪烁 */
    /* transform: translateY(-5px); */
}

/* 微信二维码样式 */
.wechat-qrcode {
    position: absolute;
    bottom: 50px; /* 位于图标上方 */
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 150px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    padding: 10px;
    display: none; /* 默认隐藏 */
    z-index: 100;
}

/* 显示二维码的小三角形 */
.wechat-qrcode::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid #fff;
}

/* 当鼠标悬停在微信图标上时显示二维码 */
.social-link.wechat:hover .wechat-qrcode {
    display: block;
}

/* 二维码图片样式 */
.wechat-qrcode img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md) 0;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}


.footer-bottom a:hover {
    color: white;
}


@media (max-width: 768px) {
    .footer-bottom {
        margin-top: 30px;
    }
}

.copyright {
    margin-bottom: 20px;
}

.copyright p {
    margin: 5px 0;
    font-size: 0.9rem;
}

.copyright .icp {
    font-size: 0.85rem;
    color: #aaa;
    margin-top: 15px;
    position: relative;
    padding-left: 20px;
}

.copyright .icp::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23aaa"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 18c-4.41 0-8-3.59-8-8s3.59-8 8-8 8 3.59 8 8-3.59 8-8 8zm.31-8.86c-1.77-.45-2.34-.94-2.34-1.67 0-.84.79-1.43 2.1-1.43 1.38 0 1.9.66 1.94 1.64h1.71c-.05-1.34-.87-2.57-2.49-2.97V5H10.9v1.69c-1.51.32-2.72 1.3-2.72 2.81 0 1.79 1.49 2.69 3.66 3.21 1.95.46 2.34 1.15 2.34 1.87 0 .53-.39 1.39-2.1 1.39-1.6 0-2.23-.72-2.37-1.64H8.04c.14 1.7 1.44 2.85 3.13 3.08V19h2.34v-1.73c1.69-.26 2.97-1.31 2.97-2.97 0-2.19-1.49-2.89-3.47-3.38z"/></svg>') no-repeat center;
    background-size: contain;
    transition: all 0.3s ease;
}

.copyright .icp:hover {
    color: white;
}

.copyright .icp:hover::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23ffffff"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 18c-4.41 0-8-3.59-8-8s3.59-8 8-8 8 3.59 8 8-3.59 8-8 8zm.31-8.86c-1.77-.45-2.34-.94-2.34-1.67 0-.84.79-1.43 2.1-1.43 1.38 0 1.9.66 1.94 1.64h1.71c-.05-1.34-.87-2.57-2.49-2.97V5H10.9v1.69c-1.51.32-2.72 1.3-2.72 2.81 0 1.79 1.49 2.69 3.66 3.21 1.95.46 2.34 1.15 2.34 1.87 0 .53-.39 1.39-2.1 1.39-1.6 0-2.23-.72-2.37-1.64H8.04c.14 1.7 1.44 2.85 3.13 3.08V19h2.34v-1.73c1.69-.26 2.97-1.31 2.97-2.97 0-2.19-1.49-2.89-3.47-3.38z"/></svg>');
}

@media (max-width: 768px) {
    .copyright .icp {
        font-size: 0.8rem;
        margin-top: 12px;
        padding-left: 18px;
    }
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: #aaa;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.social-links {
    justify-content: center;
    gap: 15px;
}

.social-icon {
    color: #aaa;
    transition: all 0.3s ease;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
}

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

.back-to-top {
    margin-left: 15px;
}

.back-to-top a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: #aaa;
    transition: all 0.3s ease;
}

.back-to-top a:hover {
    background: var(--primary-color);
    color: white;
}

@media (max-width: 768px) {
    .footer-bottom {
        padding: 30px 0;
    }
    
    .footer-links {
        gap: 15px;
    }
    
    .social-links {
        margin-top: 15px;
    }
}

/* ===== 响应式媒体查询 ===== */
@media (max-width: 1024px) {
    :root {
        --section-spacing: 80px;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .about-text, .about-image {
        flex: none;
        width: 100%;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
        --section-spacing: 60px;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .hero, .page-header {
        background-position: center center;
        background-size: cover;
        background-attachment: scroll;
    }
    
    .nav-list {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: white;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 30px;
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-list.active {
        left: 0;
    }
    
    .nav-item {
        margin-left: 0;
    }
    
    .hamburger {
        display: block;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .contact-content {
        flex-direction: column;
    }
    
    .contact-info {
        width: 100%;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-links {
        width: 100%;
    }
}

@media (max-width: 480px) {
    :root {
        --section-spacing: 50px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        width: 100%;
    }
    
    .testimonial {
        flex: 0 0 100%;
    }
    
    .hero {
        height: 80vh;
        min-height: 500px;
        background-position: center center;
        background-size: cover;
        background-attachment: scroll;
    }
    
    .page-header {
        height: 180px;
        background-position: center center;
        background-size: cover;
        background-attachment: scroll;
    }
}

/* ===== 内页通用样式 ===== */
.page-header {
    /* background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://dummyimage.com/1920x400') no-repeat center center; */
    background: linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.2)), url('../images/bg_header.jpg') no-repeat center center;
    background-size: cover;
    background-attachment: scroll;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    margin-top: var(--header-height);
}

.page-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== 关于我们页面样式 ===== */
.company-content {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 40px;
}

.company-image {
    flex: 1;
}

.company-text {
    flex: 1;
}

.company-text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.company-text p {
    margin-bottom: 15px;
}

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

.mission-box {
    background-color: white;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    text-align: center;
}

.mission-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.mission-box h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

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

.team-member {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.member-image {
    position: relative;
    overflow: hidden;
}

.member-image img {
    width: 100%;
    transition: transform 0.5s ease;
}

.member-social {
    position: absolute;
    bottom: -40px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 15px;
    padding: 15px 0;
    background-color: rgba(0, 0, 0, 0.7);
    transition: bottom 0.3s ease;
}

.team-member:hover .member-image img {
    transform: scale(1.1);
}

.team-member:hover .member-social {
    bottom: 0;
    color:#aaa;
}

.member-info {
    padding: 25px 20px;
    text-align: center;
}

.member-name {
    font-size: 1.3rem;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.member-position {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
}

.member-bio {
    color: var(--secondary-color);
    font-size: 0.95rem;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    width: 2px;
    background-color: var(--gray-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}

.timeline-item {
    padding: 20px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
}

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

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

.timeline-item:nth-child(odd) .timeline-dot {
    right: -10px;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -10px;
}

.timeline-content {
    padding: 20px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    align-items: center;
}

.partner-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

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

/* ===== 服务页面样式 ===== */
.service-detail-content {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 40px;
}

.service-detail-content.reverse {
    flex-direction: row-reverse;
}

.service-detail-text {
    flex: 1;
}

.service-detail-text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.service-detail-text h3 {
    font-size: 1.3rem;
    margin: 30px 0 15px;
    color: var(--dark-color);
}

.service-detail-text p {
    margin-bottom: 15px;
    color: var(--text-color);
}

.service-detail-image {
    flex: 1;
}

.service-features {
    list-style: none;
    margin-bottom: 20px;
}

.service-features li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.service-features li i {
    color: var(--primary-color);
    margin-right: 10px;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.tech-tag {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
}

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

.solution-card {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.solution-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.solution-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

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

.product-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.product-content {
    padding: 25px;
}

.product-title {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.product-description {
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.feature-tag {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.cta-section {
    /* background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('https://dummyimage.com/1920x600') no-repeat center center/cover; */
    background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.2)), url('../images/services_bottom.jpg') no-repeat center center/cover;
    color: white;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

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

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* ===== 联系页面样式 ===== */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info-box, .contact-form-box {
    background-color: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.contact-info-box h2, .contact-form-box h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.contact-info-box p {
    margin-bottom: 30px;
    color: var(--secondary-color);
}

.contact-details {
    margin-bottom: 30px;
}

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

.contact-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 15px;
    width: 40px;
    height: 40px;
    background-color: rgba(37, 99, 235, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-text h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.social-contact h4 {
    margin-bottom: 15px;
    font-size: 1.2rem;
    color: var(--dark-color);
}

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

.contact-form .form-group.full-width {
    grid-column: 1 / -1;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-color);
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--gray-color);
    border-radius: 5px;
    font-size: 1rem;
    transition: var(--transition);
}

.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.map-container {
    height: 450px;
    width: 100%;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

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

.faq-item {
    background-color: white;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

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

.faq-question h3 {
    font-size: 1.2rem;
    color: var(--dark-color);
}

.faq-icon {
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 20px 20px;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .company-content, .service-detail-content, .service-detail-content.reverse {
        flex-direction: column;
        gap: 30px;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 0;
    }
    
    .timeline-item:nth-child(odd) {
        text-align: left;
    }
    
    .timeline-item:nth-child(even) {
        left: 0;
    }
    
    .timeline-item:nth-child(odd) .timeline-dot,
    .timeline-item:nth-child(even) .timeline-dot {
        left: 20px;
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 2.5rem;
    }
    
    .page-header {
        height: 250px;
    }
}

@media (max-width: 576px) {
    .page-title {
        font-size: 2rem;
    }
    
    .page-header {
        height: 200px;
    }
    
    .contact-info-box, .contact-form-box {
        padding: 30px 20px;
    }
}

/* ===== 新闻中心页面样式 ===== */
/* 新闻筛选 */
.filter-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 15px;
}

.filter-group label {
    font-weight: 600;
    color: var(--dark-color);
}

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

.filter-option {
    padding: 8px 15px;
    border-radius: 5px;
    background-color: #f5f5f5;
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

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

.search-box {
    display: flex;
    position: relative;
}

.search-box input {
    padding: 10px 15px;
    padding-right: 45px;
    border: 1px solid var(--gray-color);
    border-radius: 5px;
    width: 250px;
    font-size: 0.95rem;
}

.search-box button {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    width: 45px;
    background: none;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    transition: var(--transition);
}

.search-box button:hover {
    color: var(--primary-color);
}

/* 新闻列表 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.news-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.news-image {
    position: relative;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover .news-image img {
    transform: scale(1.1);
}

/* 新闻图片上的分类标签 */
.news-image .news-category {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--primary-color);
    color: white;
    padding: 5px 12px;
    border-radius: 5px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* 新闻内容中的分类标签 */
.news-meta .news-category {
    position: static;
    background-color: transparent;
    padding: 0;
    font-size: 0.9rem;
    font-weight: normal;
    color: var(--secondary-color);
}

.news-content {
    padding: 25px;
    position: relative;
}

.news-date {
    position: absolute;
    top: -1px;
    left: 25px;
    background-color: white;
    width: 70px;
    height: 90px;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.news-date .day {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
    line-height: 1;
    margin-bottom: 5px;
}

.news-date .month, .news-date .year {
    font-size: 0.8rem;
    color: var(--dark-color);
    line-height: 1.2;
}

.news-title {
    font-size: 1.3rem;
    margin-bottom: 15px;
    line-height: 1.4;
}

.news-title a {
    color: var(--dark-color);
    transition: var(--transition);
}

.news-title a:hover {
    color: var(--primary-color);
}

.news-excerpt {
    color: var(--secondary-color);
    margin-bottom: 20px;
    line-height: 1.6;
}

.news-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.news-meta span i {
    margin-right: 5px;
    color: var(--primary-color);
}

.read-more {
    font-weight: 600;
    color: var(--primary-color);
    transition: var(--transition);
}

.read-more i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.read-more:hover i {
    transform: translateX(5px);
}

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

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 5px;
    background-color: white;
    color: var(--secondary-color);
    font-weight: 600;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.page-link:hover, .page-link.active {
    background-color: var(--primary-color);
    color: white;
}

.page-dots {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--secondary-color);
}

/* 订阅区域 */
.subscribe-section {
    background-color: #f8f9fa;
}

.subscribe-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.subscribe-text h2 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.subscribe-text p {
    color: var(--secondary-color);
}

.subscribe-form {
    display: flex;
    flex: 1;
    max-width: 500px;
}

.subscribe-form form {
    display: flex;
    width: 100%;
}

.subscribe-form input {
    flex: 1;
    padding: 15px;
    border: 1px solid var(--gray-color);
    border-radius: 5px 0 0 5px;
    font-size: 1rem;
}

.subscribe-form button {
    padding: 15px 25px;
    border-radius: 0 5px 5px 0;
}

/* ===== 新闻详情页样式 ===== */
.news-detail-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.news-detail-header {
    margin-bottom: 30px;
}

.news-category-badge {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 5px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.news-detail-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 1.3;
    color: var(--dark-color);
}

.news-detail-meta {
    display: flex;
    gap: 25px;
    color: var(--secondary-color);
    font-size: 0.95rem;
}

.news-detail-meta i {
    margin-right: 5px;
    color: var(--primary-color);
}

.news-detail-featured-image {
    margin-bottom: 30px;
    border-radius: 10px;
    overflow: hidden;
}

.news-detail-featured-image img {
    width: 100%;
    height: auto;
}

.news-detail-content {
    color: var(--text-color);
    line-height: 1.8;
    margin-bottom: 30px;
}

.news-detail-content h2 {
    font-size: 1.8rem;
    margin: 30px 0 15px;
    color: var(--dark-color);
}

.news-detail-content p {
    margin-bottom: 20px;
}

.news-detail-content ul, .news-detail-content ol {
    margin-bottom: 20px;
    padding-left: 20px;
}

.news-detail-content li {
    margin-bottom: 10px;
}

.news-detail-quote {
    margin: 30px 0;
    padding: 30px;
    background-color: #f8f9fa;
    border-left: 5px solid var(--primary-color);
    border-radius: 5px;
}

.news-detail-quote blockquote {
    font-style: italic;
    color: var(--dark-color);
    font-size: 1.1rem;
    line-height: 1.7;
}

.news-detail-quote cite {
    display: block;
    margin-top: 15px;
    font-style: normal;
    font-weight: 600;
    color: var(--primary-color);
}

.news-detail-image {
    margin: 30px 0;
    border-radius: 10px;
    overflow: hidden;
}

.news-detail-image img {
    width: 100%;
    height: auto;
}

.image-caption {
    text-align: center;
    margin-top: 10px;
    font-size: 0.9rem;
    color: var(--secondary-color);
    font-style: italic;
}

.news-detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
    align-items: center;
}

.tag-label {
    font-weight: 600;
    color: var(--dark-color);
}

.tag {
    background-color: #f5f5f5;
    color: var(--secondary-color);
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.news-detail-share {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--gray-color);
}

.share-label {
    font-weight: 600;
    color: var(--dark-color);
}

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

.share-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #f5f5f5;
    color: var(--secondary-color);
    transition: var(--transition);
}

.share-link:hover {
    background-color: var(--primary-color);
    color: white;
}

.news-detail-navigation {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--gray-color);
}

.prev-post, .next-post {
    max-width: 45%;
}

.nav-label {
    display: block;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 5px;
}

.nav-title {
    color: var(--dark-color);
    transition: var(--transition);
}

.prev-post:hover .nav-title, .next-post:hover .nav-title {
    color: var(--primary-color);
}

.next-post {
    text-align: right;
}

/* 评论区 */
.news-detail-comments {
    margin-bottom: 40px;
}

.comments-title {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--dark-color);
}

.comment-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.comment-avatar img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
}

.comment-content {
    flex: 1;
}

.comment-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.comment-author {
    font-size: 1.1rem;
    color: var(--dark-color);
    margin: 0;
}

.comment-date {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.comment-text {
    margin-bottom: 10px;
    line-height: 1.6;
    color: var(--text-color);
}

.comment-actions {
    margin-bottom: 15px;
}

.reply-btn {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.comment-replies {
    margin-top: 20px;
    margin-left: 30px;
}

.comment-item.reply {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
}

.comment-form-container {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
}

.form-title {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.comment-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

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

.comment-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-color);
}

.comment-form input, .comment-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--gray-color);
    border-radius: 5px;
    font-size: 1rem;
    transition: var(--transition);
}

.comment-form input:focus, .comment-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

/* 侧边栏 */
.news-detail-sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-widget {
    background-color: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    margin-bottom: 30px;
}

.widget-title {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--dark-color);
    position: relative;
    padding-bottom: 10px;
}

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

.search-widget .search-form {
    display: flex;
    position: relative;
}

.search-widget input {
    width: 100%;
    padding: 12px 15px;
    padding-right: 45px;
    border: 1px solid var(--gray-color);
    border-radius: 5px;
    font-size: 0.95rem;
}

.search-widget button {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    width: 45px;
    background: none;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    transition: var(--transition);
}

.search-widget button:hover {
    color: var(--primary-color);
}

.categories-list {
    list-style: none;
    padding: 0;
}

.categories-list li {
    margin-bottom: 15px;
    border-bottom: 1px solid var(--gray-color);
    padding-bottom: 15px;
}

.categories-list li:last-child {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
}

.categories-list a {
    display: flex;
    justify-content: space-between;
    color: var(--text-color);
    transition: var(--transition);
}

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

.popular-posts {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.popular-post {
    display: flex;
    gap: 15px;
}

.post-image {
    flex-shrink: 0;
}

.post-image img {
    width: 100px;
    height: 70px;
    object-fit: cover;
    border-radius: 5px;
}

.post-info h4 {
    font-size: 1rem;
    margin-bottom: 5px;
    line-height: 1.4;
}

.post-info h4 a {
    color: var(--dark-color);
    transition: var(--transition);
}

.post-info h4 a:hover {
    color: var(--primary-color);
}

.post-date {
    font-size: 0.85rem;
    color: var(--secondary-color);
}

.tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.subscribe-widget p {
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.subscribe-widget .subscribe-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.subscribe-widget input {
    padding: 12px 15px;
    border: 1px solid var(--gray-color);
    border-radius: 5px;
    font-size: 0.95rem;
}

.subscribe-widget button {
    width: 100%;
}

/* 相关文章 */
.related-posts-section {
    background-color: #f8f9fa;
}

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

.related-post-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.related-post-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.related-post-card .post-image {
    width: 100%;
}

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

.related-post-card .post-content {
    padding: 20px;
}

.related-post-card .post-category {
    display: inline-block;
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.related-post-card .post-title {
    font-size: 1.1rem;
    margin-bottom: 10px;
    line-height: 1.4;
}

.related-post-card .post-title a {
    color: var(--dark-color);
    transition: var(--transition);
}

.related-post-card .post-title a:hover {
    color: var(--primary-color);
}

.related-post-card .post-meta {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .news-detail-container {
        grid-template-columns: 1.5fr 1fr;
    }
}

@media (max-width: 992px) {
    .news-detail-container {
        grid-template-columns: 1fr;
    }
    
    .news-detail-sidebar {
        position: static;
    }
    
    .related-posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .subscribe-content {
        flex-direction: column;
        text-align: center;
    }
    
    .subscribe-form {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .filter-container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .search-box {
        width: 100%;
    }
    
    .search-box input {
        width: 100%;
    }
    
    .news-detail-title {
        font-size: 2rem;
    }
    
    .news-detail-meta {
        flex-wrap: wrap;
    }
    
    .news-detail-navigation {
        flex-direction: column;
        gap: 20px;
    }
    
    .prev-post, .next-post {
        max-width: 100%;
    }
    
    .next-post {
        text-align: left;
    }
    
    .comment-form .form-row {
        grid-template-columns: 1fr;
    }
    
    .related-posts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .news-date {
        left: 15px;
        width: 60px;
        height: 60px;
    }
    
    .news-content {
        padding: 20px 15px;
    }
    
    .news-title {
        font-size: 1.2rem;
    }
    
    .news-meta {
        flex-direction: column;
        gap: 10px;
    }
}

/* 新闻详情页布局 */
.news-detail-container {
    display: flex;
    gap: 40px;
}

.news-detail-main {
    flex: 1;
    min-width: 0;
}

.news-detail-sidebar {
    width: 350px;
    flex-shrink: 0;
    position: sticky;
    top: 100px;
    align-self: flex-start;
}

/* 相关文章列表样式 */
.news-related {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 40px;
}

.related-title {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--dark-color);
    position: relative;
    padding-bottom: 15px;
}

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

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

.related-item {
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.related-item:hover {
    transform: translateX(10px);
}

.related-item a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    gap: 15px;
}

.related-thumbnail {
    width: 80px;
    height: 60px;
    border-radius: 5px;
    overflow: hidden;
    flex-shrink: 0;
}

.related-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.related-item:hover .related-thumbnail img {
    transform: scale(1.1);
}

.related-content h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--dark-color);
    transition: color 0.3s ease;
}

.related-item:hover .related-content h4 {
    color: var(--primary-color);
}

.related-date {
    font-size: 0.85rem;
    color: var(--secondary-color);
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .news-detail-sidebar {
        width: 300px;
    }
}

@media (max-width: 992px) {
    .news-detail-container {
        flex-direction: column;
    }
    
    .news-detail-sidebar {
        width: 100%;
        position: static;
        margin-top: 40px;
    }
    
    .related-item a {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .related-thumbnail {
        width: 100%;
        height: 120px;
        margin-bottom: 10px;
    }
}

@media (max-width: 576px) {
    .news-related {
        padding: 20px;
    }
    
    .related-title {
        font-size: 1.3rem;
        padding-bottom: 10px;
    }
    
    .related-content h4 {
        font-size: 1rem;
    }
}

.related-title {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--dark-color);
    position: relative;
    padding-bottom: 15px;
}

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

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

.related-item {
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.related-item:hover {
    transform: translateX(10px);
}

.related-item a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    gap: 15px;
}

.related-thumbnail {
    width: 80px;
    height: 60px;
    border-radius: 5px;
    overflow: hidden;
    flex-shrink: 0;
}

.related-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.related-item:hover .related-thumbnail img {
    transform: scale(1.1);
}

.related-content h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--dark-color);
    transition: color 0.3s ease;
}

.related-item:hover .related-content h4 {
    color: var(--primary-color);
}

.related-date {
    font-size: 0.85rem;
    color: var(--secondary-color);
}

/* 增强底部版权信息 */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 30px 0;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.copyright {
    margin-bottom: 15px;
}

.copyright p {
    margin: 0;
    font-size: 0.9rem;
}

.footer-beian {
    margin-top: 20px;
    font-size: 0.85rem;
    line-height: 1.6;
}

.footer-beian a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s ease;
    margin: 0 10px;
}

.footer-beian a:hover {
    color: white;
}

.footer-beian img {
    height: 16px;
    vertical-align: middle;
    margin-right: 5px;
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin: 20px 0;
}

.footer-links a {
    color: #aaa;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

@media (max-width: 768px) {
    .footer-beian {
        font-size: 0.8rem;
    }
    
    .footer-beian a {
        display: block;
        margin: 10px 0;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 10px;
    }
}

/* 响应式调整 */
@media (max-width: 768px) {
    .related-item a {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .related-thumbnail {
        width: 100%;
        height: 120px;
        margin-bottom: 10px;
    }
    
    .footer-links {
        flex-wrap: wrap;
    }
}

/* 备案图片 */
.footer-beian img { 
    display: inline;
}

/* 首页视频 */
.about-image video {
    max-width: 600px;
    max-height: 400px;
    width: 100%;
    height: auto;
}

.header .container .logo img {
    margin-right: 5px;
}

.footer .container .footer-logo img {
    margin-bottom: 5px;
}