@charset "utf-8";
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 95%;
    max-width: 1600px;
    margin: 0 auto;
}

/* 导航样式 */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 20px 0 0;
    background-color: transparent;
}

header:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.3);
}

header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    padding: 10px 0;
}

header.scrolled:before {
    background-color: #f7f7f7;
}

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

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

.logo img {
    width: 220px;
    height: auto;
    transition: all 0.3s;
}

.logo-default {
    display: block;
}

.logo-scrolled {
    display: none;
}

      /* 导航样式 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            transition: all 0.3s ease;
            padding: 20px 0 0;
            background-color: transparent;
        }
        
        header:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background-color: rgba(255, 255, 255, 0.3);
        }
        
        header.scrolled {
            background-color: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
            padding: 10px 0;
        }
        
        header.scrolled:before {
            background-color: #f7f7f7;
        }
        
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
           
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo img {
            width: 220px;
            height: auto;
            transition: all 0.3s;
        }
        
        .logo-default {
            display: block;
        }
        
        .logo-scrolled {
            display: none;
        }
        
        header.scrolled .logo-default {
            display: none;
        }
        
        header.scrolled .logo-scrolled {
            display: block;
        }
        
		    
        /* 新增：导航菜单样式调整，添加下拉菜单 */
        .nav-menu {
            display: flex;
            list-style: none;
            align-items: center;
        }
        
        .nav-menu li {
            position: relative;
            margin-left: 35px;
        }
        
        /* 新增：下拉菜单样式 */
        .nav-menu .dropdown {
            position: absolute;
            top: 100%;
            left: 0;
            background-color: #313131;
            min-width: 250px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            border-radius: 5px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s ease;
            z-index: 1001;
            padding: 10px 0;
        }
        
        .nav-menu li:hover .dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .dropdown li {
            margin: 0;
            width: 100%;
        }
        
        .dropdown a {
            color: #333;
            padding: 12px 25px;
            display: block;
            font-size: 15px;
            transition: all 0.3s;
            border-left: 3px solid transparent;
        }
        
        .dropdown a:hover {
           
            color: #ef3238;
          
        }
        
        /* 新增：导航菜单箭头指示 */
        .nav-menu li.has-dropdown > a:after {
            content: '\f078';
            font-family: 'Font Awesome 5 Free';
            font-weight: 900;
            font-size: 12px;
            margin-left: 8px;
            transition: transform 0.3s;
        }
        
        .nav-menu li:hover.has-dropdown > a:after {
            transform: rotate(180deg);
        }
        
        .nav-menu a {
            color: #fff; /* 默认白色 */
            text-decoration: none;
            font-weight: normal;
            font-size: 16px;
            padding: 10px 0;
            transition: all 0.3s;
            position: relative;
        }
        
        header.scrolled .nav-menu a {
            color: #231f20; /* 滚动后黑色 */
        }
        
        .nav-menu a:after {
            content: '';
            position: absolute;
            bottom: 5px;
            left: 0;
            width: 0;
            height: 2px;			
          
            transition: width 0.3s;
        }
        
        .nav-menu a:hover:after,
        .nav-menu a.active:after {
            width: 100%;
        }
        
        .nav-menu a:hover {
            color: #ef3238;

        }
        
        .mobile-menu-btn {
            display: none;
            font-size: 22px;
            color: #fff;
            cursor: pointer;
        }
        
        header.scrolled .mobile-menu-btn {
            color: #231f20;
        }

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-menu li {
    position: relative;
    margin-left: 35px;
}

.nav-menu a {
    color: #fff;
    text-decoration: none;
    font-weight: normal;
    font-size: 16px;
    padding: 10px 0;
    transition: all 0.3s;
    position: relative;
}

header.scrolled .nav-menu a {
    color: #231f20;
}

header.scrolled .nav-menu li ul.dropdown a {
    color: #fff;
}

.nav-menu a:after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 0;
    height: 2px;
   
    transition: width 0.3s;
}

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

.nav-menu a:hover {
    color: #ef3238;
}

.mobile-menu-btn {
    display: none;
    font-size: 22px;
    color: #fff;
    cursor: pointer;
}

header.scrolled .mobile-menu-btn {
    color: #231f20;
}

/* Banner 通用样式 */
.banner-content {
    max-width: 800px;
    padding: 40px;
    background-color: rgba(255, 255, 255, 0.85);
    border-left: 5px solid #ef3238;
    color: #231f20;
    margin-left: 5%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.banner-content h1 {
    font-size: 48px;
    margin-bottom: 25px;
    color: #231f20;
    line-height: 1.2;
}

.banner-content p {
    font-size: 20px;
    line-height: 1.8;
    color: #231f20;
}

/* 产品页面 Banner */
.product-banner {
    height: 594px;
    background: url('https://images.squarespace-cdn.com/content/v1/5b3256317e3c3a8e8e029991/67497f7b-292e-4a95-a3d0-5d54f463f9ff/treadhero.jpg?format=2500w') no-repeat center center/cover;
    display: flex;
    align-items: center;
    position: relative;
}

/* 支持页面 Banner */
.support-banner {
    height: 594px;
    background: url('/template/pc/skin/images/bj2.jpg') no-repeat center center/cover;
    display: flex;
    align-items: center;
    position: relative;
}

/* 联系页面 Banner */
.contact-banner {
    height: 400px;
    background: linear-gradient(rgba(35, 31, 32, 0.9), rgba(35, 31, 32, 0.9)), 
                url('/template/pc/skin/images/bj4.jpg') no-repeat center center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
}

.contact-banner .banner-content {
    max-width: 800px;
    padding: 0 20px;
    background-color: transparent;
    border-left: none;
    box-shadow: none;
    margin: 0 auto;
}

.contact-banner .banner-content h1 {
    color: #fff;
}

.contact-banner .banner-content p {
    color: #fff;
}

/* 关于页面 Banner */
.about-banner {
    height: 594px;
    background: linear-gradient(rgba(35, 31, 32, 0.8), rgba(35, 31, 32, 0.8)), 
                url('/template/pc/skin/images/bj4.jpg') no-repeat center center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
}

.about-banner .banner-content {
    max-width: 1000px;
    padding: 0 20px;
    background-color: transparent;
    border-left: none;
    box-shadow: none;
    margin: 0 auto;
}

.about-banner .banner-content h1 {
    font-size: 60px;
    color: #fff;
}

.about-banner .banner-content p {
    font-size: 24px;
    color: #fff;
}

/* 博客页面 Banner */
.blog-banner {
    height: 594px;
    background: url('/template/pc/skin/images/bj3.jpg') no-repeat center center/cover;
    display: flex;
    align-items: center;
    position: relative;
}

/* 文章页面 Banner */
.article-banner {
    height: 500px;
    background: linear-gradient(rgba(35, 31, 32, 0.7), rgba(35, 31, 32, 0.7)), 
                url('/template/pc/skin/images/bj3.jpg') no-repeat center center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding-top: 100px;
}

/* 行业方案页面 Banner */
.industry-banner {
    height: 594px;
    background: url('/template/pc/skin/images/bj1.jpg') no-repeat center center/cover;
    display: flex;
    align-items: center;
    position: relative;
}

/* 第二屏 - 产品介绍 */
.product-intro {
    background-color: #231f20;
    color: #fff;
    padding: 100px 0;
}

.intro-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.intro-left {
    flex: 0 0 65%;
}

.intro-right {
    flex: 0 0 35%;
}

.product-title {
    font-size: 42px;
    margin-bottom: 25px;
    color: #fff;
    line-height: 1.3;
}

.intro-left p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 30px;
    color: #ddd;
}

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

.features-list li {
    font-size: 18px;
    margin-bottom: 20px;
    padding-left: 30px;
    position: relative;
    color: #ddd;
}

.features-list li:before {
    content: '•';
    color: #ef3238;
    font-size: 24px;
    position: absolute;
    left: 0;
    top: -5px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 20px;
    transition: all 0.3s;
    border: 2px solid #ef3238;
    text-align: center;
    font-size: 16px;
    cursor: pointer;
}

.btn-primary {
    background-color: #ef3238;
    color: white;
}

.btn-primary:hover {
    background-color: transparent;
    color: #ef3238;
}

.btn-secondary {
    background-color: transparent;
    color: #ef3238;
}

.btn-secondary:hover {
    background-color: #ef3238;
    color: white;
}

/* 第三屏、第四屏、第五屏通用样式 */
.content-section {
    padding: 100px 0;
}

.content-block {
    display: flex;
    align-items: center;
    gap: 50px;
}

.content-text {
    flex: 1;
}

.content-image {
    flex: 1;
    height: 500px;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 8px;
    overflow: hidden;
    background-color: #f5f5f5;
}

.section-title {
    font-size: 36px;
    color: #231f20;
    margin-bottom: 30px;
    line-height: 1.3;
}

.section-text {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 25px;
    color: #555;
}

/* 第六屏 - 功能特色 */
.features-section {
    background-color: #f9f9f9;
    padding: 100px 0;
}

.section-heading {
    text-align: center;
    margin-bottom: 70px;
    position: relative;
}

.section-heading h2 {
    font-size: 42px;
    color: #231f20;
    display: inline-block;
    padding-bottom: 15px;
    position: relative;
}

.section-heading h2:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 3px;
    background-color: #ef3238;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-item {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
    display: flex;
    flex-direction: column;
}

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

.feature-img {
    height: 250px;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #f5f5f5;
}

.feature-content {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.feature-title {
    font-size: 24px;
    color: #231f20;
    margin-bottom: 15px;
    line-height: 1.3;
}

.feature-desc {
    font-size: 16px;
    line-height: 1.6;
    color: #666;
    flex: 1;
}

/* 第七屏 - 全屏视频版块 */
.video-section {
    height: 100vh;
    min-height: 600px;
    position: relative;
    background-color: #000;
}

.video-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-wrapper {
    width: 90%;
    max-width: 1200px;
    height: 70%;
    max-height: 700px;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: rgba(35, 31, 32, 0.7);
    color: #fff;
    text-align: center;
    padding: 20px;
    transition: opacity 0.5s;
}

.video-overlay h3 {
    font-size: 48px;
    margin-bottom: 20px;
    color: #fff;
}

.video-overlay p {
    font-size: 20px;
    max-width: 700px;
    margin-bottom: 30px;
}

.play-button {
    background-color: #ef3238;
    color: white;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
}

.play-button:hover {
    background-color: #d12a30;
    transform: scale(1.1);
}

.video-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

/* 分隔线 */
.divider-line {
    width: 100%;
    padding: 80px 0;
    position: relative;
}

.divider-line:before {
    content: '';
    position: absolute;
    top: 50%;
    left: 2.5%;
    width: 95%;
    height: 1px;
    background-color: #bbb;
    transform: translateY(-50%);
}

/* 文字版块 */
.quote-section {
    padding: 80px 0 120px;
}

.quote-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.quote-large {
    font-size: 48px;
    line-height: 1.3;
    color: #231f20;
    margin-bottom: 30px;
    font-weight: normal;
}

.quote-small {
    font-size: 16px;
    line-height: 1.6;
    color: #666;
    font-weight: normal;
}

/* 技术支持导航 */
.support-nav {
    background-color: #f9f9f9;
    padding: 30px 0;
    position: sticky;
    top: 80px;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.support-nav-container {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.support-nav-item {
    text-decoration: none;
    color: #666;
    font-size: 18px;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 30px;
    transition: all 0.3s;
    position: relative;
}

.support-nav-item:hover {
    color: #ef3238;
}

.support-nav-item.active {
    color: #fff;
    background-color: #ef3238;
}

/* 技术支持内容区域 */
.support-section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 70px;
    position: relative;
}

.section-title h2 {
    font-size: 42px;
    color: #231f20;
    display: inline-block;
    padding-bottom: 15px;
    position: relative;
}

.section-title h2:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 3px;
    background-color: #ef3238;
}

.section-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
    font-size: 18px;
    color: #555;
    line-height: 1.8;
}

/* 技术支持区块样式 */
.support-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 80px;
}

.support-card {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s;
    border-top: 4px solid #ef3238;
}

.support-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.support-card-header {
    padding: 30px 30px 20px;
    background-color: #f8f8f8;
    border-bottom: 1px solid #eee;
}

.support-icon {
    font-size: 50px;
    color: #ef3238;
    margin-bottom: 20px;
    text-align: center;
}

.support-card-title {
    font-size: 24px;
    color: #231f20;
    margin-bottom: 10px;
    text-align: center;
    line-height: 1.3;
}

.support-card-content {
    padding: 30px;
}

.support-features {
    list-style: none;
    margin-bottom: 25px;
}

.support-features li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    color: #555;
    line-height: 1.6;
}

.support-features li:before {
    content: '✓';
    color: #ef3238;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* 流程时间线 */
.timeline-section {
    padding: 80px 0;
    background-color: #f9f9f9;
}

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

.timeline-container:before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 3px;
    background-color: #ef3238;
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    margin-bottom: 70px;
    position: relative;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-content {
    flex: 0 0 80%;
    padding: 25px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border-top: 4px solid #ef3238;
}

.timeline-dot {
    position: absolute;
    top: 30px;
    left: 50%;
    width: 20px;
    height: 20px;
    background-color: #ef3238;
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 1;
    border: 4px solid #fff;
}

.timeline-title {
    font-size: 22px;
    color: #231f20;
    margin-bottom: 15px;
    line-height: 1.3;
}

.timeline-desc {
    color: #666;
    line-height: 1.6;
}

/* 资源下载区域 */
.resources-section {
    padding: 100px 0;
    background-color: #fff;
}

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

.resource-card {
    background-color: #f8f8f8;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.resource-card:hover {
    border-color: #ef3238;
    transform: translateY(-5px);
}

.resource-icon {
    font-size: 40px;
    color: #ef3238;
    margin-bottom: 20px;
}

.resource-title {
    font-size: 18px;
    color: #231f20;
    margin-bottom: 15px;
    line-height: 1.4;
}

.resource-desc {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* 联系表单区域 */
.contact-section {
    padding: 100px 0;
    background-color: #f5f5f5;
}

.contact-content {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.contact-info {
    flex: 0 0 40%;
}

.contact-form {
    flex: 0 0 60%;
}

.info-item {
    margin-bottom: 30px;
    display: flex;
    align-items: flex-start;
}

.info-icon {
    font-size: 24px;
    color: #ef3238;
    margin-right: 15px;
    flex-shrink: 0;
}

.info-content h4 {
    font-size: 20px;
    color: #231f20;
    margin-bottom: 8px;
}

.info-content p {
    color: #666;
    line-height: 1.6;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #231f20;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 14px 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: #ef3238;
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* 联系信息区域 */
.contact-info-section {
    padding: 100px 0;
    background-color: #f9f9f9;
}

.contact-cards {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.contact-card {
    background-color: #fff;
    border-radius: 10px;
    padding: 50px 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s;
    width: 350px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

.contact-icon {
    width: 80px;
    height: 80px;
    background-color: #ef3238;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
}

.contact-icon i {
    font-size: 36px;
    color: white;
}

.contact-card h3 {
    font-size: 24px;
    color: #231f20;
    margin-bottom: 20px;
}

.contact-details {
    font-size: 20px;
    line-height: 1.6;
    color: #555;
    margin-bottom: 15px;
}

.contact-note {
    font-size: 16px;
    color: #777;
    margin-top: 20px;
    line-height: 1.5;
}

/* 品牌标志展示 */
.brand-showcase {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin-top: 50px;
}

.brand-logo-large {
    width: 200px;
    height: auto;
}

.brand-slogan {
    border-left: 3px solid #ef3238;
    padding-left: 30px;
    text-align: left;
}

.brand-slogan h2 {
    font-size: 32px;
    color: #fff;
    margin-bottom: 10px;
}

.brand-slogan p {
    font-size: 18px;
    color: #ddd;
    margin-bottom: 0;
}

/* 公司简介 */
.company-intro {
    padding: 100px 0;
    background-color: #fff;
}

.intro-text {
    flex: 1;
}

.intro-image {
    flex: 1;
    height: 500px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.intro-text h3 {
    font-size: 36px;
    color: #231f20;
    margin-bottom: 30px;
    line-height: 1.3;
}

.intro-text p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 25px;
    color: #555;
}

.highlight-text {
    font-size: 24px;
    color: #ef3238;
    font-weight: 600;
    margin: 40px 0;
    padding-left: 20px;
    border-left: 4px solid #ef3238;
    line-height: 1.5;
}

/* 使命与愿景 */
.mission-vision {
    padding: 100px 0;
    background-color: #f9f9f9;
}

.mv-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 50px;
}

.mv-card {
    background-color: #fff;
    border-radius: 10px;
    padding: 50px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s;
}

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

.mv-icon {
    width: 80px;
    height: 80px;
    background-color: #ef3238;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
}

.mv-icon i {
    font-size: 36px;
    color: white;
}

.mv-card h3 {
    font-size: 28px;
    color: #231f20;
    margin-bottom: 20px;
}

.mv-card p {
    font-size: 18px;
    line-height: 1.8;
    color: #555;
}

/* 核心价值观 */
.core-values {
    padding: 100px 0;
    background-color: #231f20;
    color: white;
}

.values-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.value-item {
    text-align: center;
    padding: 40px 30px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: all 0.3s;
}

.value-item:hover {
    background-color: rgba(239, 50, 56, 0.1);
    transform: translateY(-10px);
}

.value-icon {
    font-size: 48px;
    color: #ef3238;
    margin-bottom: 25px;
}

.value-item h4 {
    font-size: 24px;
    color: #fff;
    margin-bottom: 20px;
}

.value-item p {
    font-size: 16px;
    line-height: 1.6;
    color: #ddd;
}

/* 发展历程 */
.history-timeline {
    padding: 100px 0;
    background-color: #fff;
}

.timeline {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

.timeline:before {
    content: '';
    position: absolute;
    width: 4px;
    background-color: #ef3238;
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
    margin-bottom: 60px;
}

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

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

.timeline-content {
    padding: 30px;
    background-color: #f9f9f9;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    position: relative;
}

.timeline-content:after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: #f9f9f9;
    top: 30px;
    transform: rotate(45deg);
}

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

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

.timeline-year {
    font-size: 24px;
    color: #ef3238;
    font-weight: 700;
    margin-bottom: 15px;
}

.timeline-title {
    font-size: 22px;
    color: #231f20;
    margin-bottom: 15px;
}

.timeline-desc {
    font-size: 16px;
    line-height: 1.6;
    color: #555;
}

.timeline-item:before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: #ef3238;
    border-radius: 50%;
    top: 30px;
    z-index: 1;
}

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

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

/* 领导团队 */
.leadership-team {
    padding: 100px 0;
    background-color: #f9f9f9;
}

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

.team-member {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s;
}

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

.member-photo {
    height: 300px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

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

.member-name {
    font-size: 22px;
    color: #231f20;
    margin-bottom: 8px;
}

.member-position {
    font-size: 16px;
    color: #ef3238;
    margin-bottom: 15px;
    font-weight: 600;
}

.member-desc {
    font-size: 14px;
    line-height: 1.6;
    color: #666;
}

/* 全球影响 */
.global-impact {
    padding: 100px 0;
    background-color: #f9f9f9;
}

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

.stat-item {
    padding: 40px 20px;
}

.stat-number {
    font-size: 60px;
    color: #ef3238;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1;
}

.stat-text {
    font-size: 18px;
    color: #231f20;
    font-weight: 600;
}

/* 博客内容区域 */
.blog-section {
    padding: 100px 0;
    background-color: #f9f9f9;
}

.blog-container {
    display: flex;
    gap: 40px;
}

/* 博客列表区域 */
.blog-list {
    flex: 0 0 70%;
}

/* 侧边栏 */
.blog-sidebar {
    flex: 0 0 30%;
}

/* 博客文章卡片 */
.blog-card {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    margin-bottom: 40px;
    transition: transform 0.3s;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.blog-card.featured {
    border-left: 5px solid #ef3238;
}

.blog-image {
    height: 300px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.blog-category {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: #ef3238;
    color: white;
    padding: 6px 15px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
}

.blog-content {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-meta {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    color: #777;
    font-size: 14px;
}

.blog-date, .blog-author, .blog-comments {
    display: flex;
    align-items: center;
    margin-right: 20px;
}

.blog-meta i {
    margin-right: 5px;
    color: #ef3238;
}

.blog-title {
    font-size: 28px;
    color: #231f20;
    margin-bottom: 20px;
    line-height: 1.3;
    transition: color 0.3s;
}

.blog-card:hover .blog-title {
    color: #ef3238;
}

.blog-excerpt {
    color: #666;
    line-height: 1.6;
    margin-bottom: 25px;
    flex: 1;
}

.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 25px;
}

.blog-tag {
    background-color: #f0f0f0;
    color: #666;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 13px;
    transition: all 0.3s;
}

.blog-tag:hover {
    background-color: #ef3238;
    color: white;
}

/* 侧边栏样式 */
.sidebar-widget {
    background-color: #fff;
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.widget-title {
    font-size: 22px;
    color: #231f20;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
    position: relative;
}

.widget-title:after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background-color: #ef3238;
}

/* 搜索框 */
.search-form {
    display: flex;
    margin-bottom: 30px;
}

.search-input {
    flex: 1;
    padding: 12px 20px;
    border: 1px solid #ddd;
    border-right: none;
    border-radius: 30px 0 0 30px;
    font-size: 16px;
}

.search-button {
    background-color: #ef3238;
    color: white;
    border: none;
    padding: 0 20px;
    border-radius: 0 30px 30px 0;
    cursor: pointer;
    transition: background-color 0.3s;
}

.search-button:hover {
    background-color: #d12a30;
}

/* 分类列表 */
.category-list {
    list-style: none;
}

.category-item {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.category-link {
    color: #555;
    text-decoration: none;
    transition: color 0.3s;
    flex: 1;
}

.category-link:hover {
    color: #ef3238;
}

.category-count {
    background-color: #f0f0f0;
    color: #777;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
}

/* 热门文章 */
.popular-posts {
    list-style: none;
}

.popular-post {
    display: flex;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
}

.popular-post:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.popular-post-img {
    width: 80px;
    height: 80px;
    background-size: cover;
    background-position: center;
    border-radius: 5px;
    margin-right: 15px;
    flex-shrink: 0;
}

.popular-post-content {
    flex: 1;
}

.popular-post-title {
    font-size: 16px;
    color: #231f20;
    margin-bottom: 8px;
    line-height: 1.4;
    transition: color 0.3s;
}

.popular-post-title:hover {
    color: #ef3238;
}

.popular-post-date {
    font-size: 13px;
    color: #999;
}

/* 标签云 */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-cloud a {
    background-color: #f0f0f0;
    color: #666;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s;
}

.tag-cloud a:hover {
    background-color: #ef3238;
    color: white;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    margin-top: 60px;
}

.pagination-list {
    display: flex;
    list-style: none;
    gap: 10px;
}

.pagination-item {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

.pagination-item:hover {
    background-color: #ef3238;
}

.pagination-item.active {
    background-color: #ef3238;
}

.pagination-link {
    color: #555;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.pagination-item:hover .pagination-link,
.pagination-item.active .pagination-link {
    color: white;
}

/* 文章内容区域 */
.article-section {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.article-container {
    display: flex;
    gap: 50px;
}

/* 文章主体内容 */
.article-content {
    flex: 0 0 70%;
    background-color: #fff;
    border-radius: 10px;
    padding: 50px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.article-body {
    font-size: 18px;
    line-height: 1.8;
    color: #444;
}

.article-body p {
    margin-bottom: 25px;
}

.article-body h2 {
    font-size: 32px;
    color: #231f20;
    margin: 40px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
    position: relative;
}

.article-body h2:after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100px;
    height: 2px;
    background-color: #ef3238;
}

.article-body h3 {
    font-size: 26px;
    color: #231f20;
    margin: 35px 0 15px;
}

.article-image {
    width: 100%;
    margin: 40px 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.article-image img {
    width: 100%;
    height: auto;
    display: block;
}

.image-caption {
    text-align: center;
    font-style: italic;
    color: #777;
    margin-top: 10px;
    font-size: 16px;
}

.article-body blockquote {
    border-left: 4px solid #ef3238;
    padding-left: 25px;
    margin: 30px 0;
    font-style: italic;
    color: #555;
    font-size: 20px;
    line-height: 1.7;
}

.article-body ul, .article-body ol {
    margin: 20px 0 20px 30px;
}

.article-body li {
    margin-bottom: 10px;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 50px 0 40px;
    padding-top: 30px;
    border-top: 1px solid #f0f0f0;
}

.article-tag {
    background-color: #f0f0f0;
    color: #666;
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 14px;
    transition: all 0.3s;
    text-decoration: none;
}

.article-tag:hover {
    background-color: #ef3238;
    color: white;
}

/* 文章导航 */
.article-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #f0f0f0;
}

.prev-article, .next-article {
    flex: 0 0 48%;
}

.nav-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #555;
    transition: all 0.3s;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #f0f0f0;
}

.nav-link:hover {
    background-color: #f9f9f9;
    border-color: #ddd;
}

.nav-link i {
    font-size: 24px;
    color: #ef3238;
}

.prev-article .nav-link i {
    margin-right: 15px;
}

.next-article .nav-link i {
    margin-left: 15px;
}

.nav-text {
    flex: 1;
}

.nav-label {
    font-size: 14px;
    color: #999;
    margin-bottom: 5px;
}

.nav-title {
    font-size: 18px;
    color: #231f20;
    font-weight: 600;
}

.next-article .nav-text {
    text-align: right;
}

/* 文章侧边栏 */
.article-sidebar {
    flex: 0 0 30%;
}

/* 作者信息 */
.author-widget {
    display: flex;
    align-items: center;
    gap: 20px;
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 3px solid #f0f0f0;
}

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

.author-info h4 {
    font-size: 20px;
    color: #231f20;
    margin-bottom: 5px;
}

.author-info p {
    color: #666;
    font-size: 15px;
    line-height: 1.5;
    margin-bottom: 10px;
}

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

.author-social a {
    color: #777;
    font-size: 18px;
    transition: color 0.3s;
}

.author-social a:hover {
    color: #ef3238;
}

/* 相关文章 */
.related-posts {
    list-style: none;
}

.related-post {
    display: flex;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
}

.related-post:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.related-post-img {
    width: 80px;
    height: 80px;
    background-size: cover;
    background-position: center;
    border-radius: 5px;
    margin-right: 15px;
    flex-shrink: 0;
}

.related-post-content {
    flex: 1;
}

.related-post-title {
    font-size: 16px;
    color: #231f20;
    margin-bottom: 8px;
    line-height: 1.4;
    transition: color 0.3s;
    text-decoration: none;
    display: block;
}

.related-post-title:hover {
    color: #ef3238;
}

.related-post-date {
    font-size: 13px;
    color: #999;
}

/* 分享按钮 */
.share-widget {
    text-align: center;
}

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

.share-button {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    text-decoration: none;
    transition: transform 0.3s;
}

.share-button:hover {
    transform: translateY(-5px);
}

.share-facebook {
    background-color: #3b5998;
}

.share-twitter {
    background-color: #1da1f2;
}

.share-linkedin {
    background-color: #0077b5;
}

.share-weibo {
    background-color: #e6162d;
}

/* 评论区域 */
.comments-section {
    background-color: #fff;
    border-radius: 10px;
    padding: 50px;
    margin: 50px 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.comments-title {
    font-size: 28px;
    color: #231f20;
    margin-bottom: 40px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
    position: relative;
}

.comments-title:after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100px;
    height: 2px;
    background-color: #ef3238;
}

.comment-form {
    margin-top: 40px;
}

/* 行业方案区块 - 左右排版 */
.industry-section {
    height: 100vh;
    display: flex;
    align-items: center;
    padding: 0;
}

.industry-content {
    display: flex;
    align-items: center;
    height: 100%;
    width: 100%;
}

.industry-image {
    flex: 0 0 50%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.industry-text {
    flex: 0 0 50%;
    padding: 0 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.industry-title {
    font-size: 48px;
    color: #231f20;
    margin-bottom: 30px;
    line-height: 1.2;
    position: relative;
    padding-bottom: 20px;
}

.industry-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 3px;
    background-color: #ef3238;
}

.industry-desc {
    font-size: 20px;
    line-height: 1.8;
    color: #555;
    max-width: 600px;
}

/* 方案1 - 医学与临床领域 */
.industry-1 {
    background-color: #f9f9f9;
}

.industry-1 .industry-image {
    background-image: url('https://images.unsplash.com/photo-1579684385127-1ef15d508118?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2000&q=80');
}

/* 方案2 - 体育科学与运动训练 */
.industry-2 {
    background-color: #fff;
}

.industry-2 .industry-image {
    background-image: url('https://images.unsplash.com/photo-1544367567-0f2fcb009e0b?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2000&q=80');
}

/* 方案3 - 人机工程学与工业研究 */
.industry-3 {
    background-color: #f5f5f5;
}

.industry-3 .industry-image {
    background-image: url('https://images.unsplash.com/photo-1581094794329-c8112a89af12?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2000&q=80');
}

/* 方案4 - 科研与教育 */
.industry-4 {
    background-color: #fff;
}

.industry-4 .industry-image {
    background-image: url('https://images.unsplash.com/photo-1532094349884-543bc11b234d?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2000&q=80');
}

/* 导航指示器 */
.industry-nav {
    position: fixed;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.nav-dot {
    width: 12px;
    height: 12px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    margin: 12px 0;
    cursor: pointer;
    transition: all 0.3s;
    border: 2px solid rgba(255, 255, 255, 0.8);
}

.nav-dot.active {
    background-color: #ef3238;
    border-color: #ef3238;
    transform: scale(1.3);
}

header.scrolled ~ .industry-nav .nav-dot {
    background-color: rgba(35, 31, 32, 0.3);
    border-color: rgba(35, 31, 32, 0.5);
}

header.scrolled ~ .industry-nav .nav-dot.active {
    background-color: #ef3238;
    border-color: #ef3238;
}

/* 滚动提示 */
.scroll-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: #666;
    font-size: 14px;
    animation: bounce 2s infinite;
}

.scroll-hint i {
    font-size: 24px;
    margin-top: 5px;
    display: block;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* 底部样式 */
footer {
    background-color: #231f20;
    color: #fff;
    padding: 80px 0 30px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 50px;
}

.footer-logo img {
    width: 220px;
    margin-bottom: 20px;
}

.footer-heading {
    color: #ef3238;
    font-size: 22px;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-heading:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: #ef3238;
}

.footer-links li {
    list-style: none;
    margin-bottom: 12px;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #ef3238;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #444;
    color: #999;
    font-size: 15px;
}

/* 移动端导航菜单 */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: rgba(35, 31, 32, 0.98);
    z-index: 1002;
    padding: 100px 30px 30px;
    transition: right 0.4s ease;
    overflow-y: auto;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.2);
}

.mobile-menu:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: #f7f7f7;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu li {
    list-style: none;
    margin-bottom: 20px;
}

.mobile-menu a {
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    font-weight: normal;
    display: block;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.close-menu {
    position: absolute;
    top: 30px;
    right: 30px;
    font-size: 28px;
    color: #fff;
    cursor: pointer;
}

.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1001;
    display: none;
}

.menu-overlay.active {
    display: block;
}

/* 响应式设计 - 三端适配 */
@media (max-width: 1200px) {
    .container {
        width: 97%;
    }
    
    .features-grid,
    .support-grid,
    .resources-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .content-image {
        height: 450px;
    }
    
    .video-wrapper {
        height: 65%;
    }
    
    .quote-large {
        font-size: 42px;
    }
    
    .timeline-container:before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
    }
    
    .timeline-dot {
        left: 30px;
    }
    
    .timeline-content {
        flex: 0 0 calc(100% - 80px);
        margin-left: 50px;
    }
    
    .team-container {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .values-container {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .blog-container,
    .article-container {
        gap: 30px;
    }
    
    .industry-text {
        padding: 0 60px;
    }
    
    .industry-title {
        font-size: 42px;
    }
    
    .industry-desc {
        font-size: 18px;
    }
}

@media (max-width: 992px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .intro-content,
    .content-block,
    .contact-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .intro-left,
    .intro-right {
        flex: 0 0 100%;
        width: 100%;
    }
    
    .product-title {
        font-size: 36px;
    }
    
    .content-image {
        width: 100%;
        height: 400px;
    }
    
    .feature-img {
        height: 200px;
    }
    
    .video-wrapper {
        height: 60%;
    }
    
    .video-overlay h3 {
        font-size: 36px;
    }
    
    .quote-large {
        font-size: 36px;
    }
    
    .support-nav-container {
        flex-wrap: wrap;
        justify-content: flex-start;
        gap: 15px;
    }
    
    .contact-info,
    .contact-form {
        flex: 0 0 100%;
        width: 100%;
    }
    
    .section-title h2 {
        font-size: 36px;
    }
    
    .mv-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .team-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline:before {
        left: 30px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 0;
    }
    
    .timeline-item:nth-child(even) {
        left: 0;
    }
    
    .timeline-item:nth-child(odd):before,
    .timeline-item:nth-child(even):before {
        left: 20px;
    }
    
    .timeline-item:nth-child(odd) .timeline-content:after,
    .timeline-item:nth-child(even) .timeline-content:after {
        left: -10px;
    }
    
    .brand-showcase {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .brand-slogan {
        border-left: none;
        border-top: 3px solid #ef3238;
        padding-left: 0;
        padding-top: 20px;
        text-align: center;
    }
    
    .blog-container,
    .article-container {
        flex-direction: column;
    }
    
    .blog-list,
    .blog-sidebar,
    .article-content,
    .article-sidebar {
        flex: 0 0 100%;
        width: 100%;
    }
    
    .blog-image {
        height: 250px;
    }
    
    .article-content {
        padding: 30px;
    }
    
    .article-title {
        font-size: 36px;
    }
    
    .article-meta {
        gap: 20px;
    }
    
    .comments-section {
        padding: 30px;
    }
    
    .industry-content {
        flex-direction: column;
    }
    
    .industry-image,
    .industry-text {
        flex: 0 0 100%;
        width: 100%;
    }
    
    .industry-image {
        height: 50vh;
    }
    
    .industry-text {
        padding: 60px 40px;
        height: 50vh;
        justify-content: center;
    }
    
    .industry-title {
        font-size: 36px;
    }
    
    .industry-nav {
        right: 20px;
    }
    
    .nav-dot {
        width: 10px;
        height: 10px;
        margin: 10px 0;
    }
}

@media (max-width: 768px) {
    .banner-content {
        margin: 0 auto;
        width: 90%;
        padding: 30px;
    }
    
    .banner-content h1 {
        font-size: 36px;
    }
    
    .product-banner,
    .support-banner,
    .blog-banner,
    .industry-banner {
        height: 450px;
    }
    
    .about-banner {
        height: 500px;
    }
    
    .article-banner {
        height: 400px;
        padding-top: 80px;
    }
    
    .contact-banner {
        height: 350px;
    }
    
    .section-heading h2,
    .section-title h2 {
        font-size: 32px;
    }
    
    .features-grid,
    .support-grid,
    .resources-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .content-section,
    .product-intro,
    .features-section,
    .support-section,
    .timeline-section,
    .resources-section,
    .contact-section,
    .company-intro,
    .mission-vision,
    .core-values,
    .history-timeline,
    .leadership-team,
    .global-impact {
        padding: 70px 0;
    }
    
    .content-image {
        height: 350px;
    }
    
    .video-section {
        height: 70vh;
        min-height: 500px;
    }
    
    .video-wrapper {
        height: 55%;
    }
    
    .video-overlay h3 {
        font-size: 28px;
    }
    
    .video-overlay p {
        font-size: 16px;
    }
    
    .play-button {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
    
    .quote-section {
        padding: 60px 0 80px;
    }
    
    .quote-large {
        font-size: 28px;
    }
    
    .quote-small {
        font-size: 15px;
    }
    
    .support-nav {
        padding: 20px 0;
    }
    
    .support-nav-item {
        font-size: 16px;
        padding: 8px 15px;
    }
    
    .contact-card {
        width: 100%;
        max-width: 400px;
        padding: 40px 30px;
    }
    
    .contact-details {
        font-size: 18px;
    }
    
    .values-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-container {
        grid-template-columns: 1fr;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
    }
    
    .blog-title {
        font-size: 24px;
    }
    
    .blog-meta {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .blog-date, .blog-author, .blog-comments {
        margin-right: 15px;
    }
    
    .pagination-list {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .article-title {
        font-size: 32px;
    }
    
    .article-meta {
        flex-direction: column;
        gap: 15px;
    }
    
    .article-section {
        padding: 50px 0;
    }
    
    .article-body h2 {
        font-size: 28px;
    }
    
    .article-body h3 {
        font-size: 24px;
    }
    
    .article-navigation {
        flex-direction: column;
        gap: 20px;
    }
    
    .prev-article, .next-article {
        flex: 0 0 100%;
    }
    
    .industry-text {
        padding: 40px 30px;
        height: auto;
    }
    
    .industry-title {
        font-size: 32px;
    }
    
    .industry-desc {
        font-size: 16px;
    }
    
    .industry-section {
        height: auto;
        min-height: 100vh;
    }
    
    .industry-image {
        height: 40vh;
    }
    
    .industry-nav {
        display: none;
    }
}

@media (max-width: 576px) {
    .banner-content {
        padding: 20px;
    }
    
    .banner-content h1 {
        font-size: 28px;
    }
    
    .banner-content p {
        font-size: 16px;
    }
    
    .product-banner,
    .support-banner,
    .blog-banner {
        height: 400px;
    }
    
    .contact-banner {
        height: 300px;
    }
    
    .about-banner {
        height: 450px;
    }
    
    .article-banner {
        height: 350px;
    }
    
    .content-section,
    .product-intro,
    .features-section,
    .support-section,
    .timeline-section,
    .resources-section,
    .contact-section,
    .company-intro,
    .mission-vision,
    .core-values,
    .history-timeline,
    .leadership-team,
    .global-impact {
        padding: 50px 0;
    }
    
    .product-title,
    .section-title,
    .section-heading h2 {
        font-size: 28px;
    }
    
    .content-image {
        height: 300px;
    }
    
    .feature-img {
        height: 180px;
    }
    
    .logo img {
        width: 180px;
    }
    
    .video-section {
        height: 60vh;
        min-height: 400px;
    }
    
    .video-wrapper {
        height: 50%;
    }
    
    .video-overlay h3 {
        font-size: 24px;
        margin-bottom: 15px;
    }
    
    .video-overlay p {
        font-size: 14px;
        margin-bottom: 20px;
    }
    
    .divider-line {
        padding: 60px 0;
    }
    
    .quote-section {
        padding: 40px 0 60px;
    }
    
    .quote-large {
        font-size: 24px;
    }
    
    .support-card-title {
        font-size: 22px;
    }
    
    .timeline-title {
        font-size: 20px;
    }
    
    .contact-info-section {
        padding: 50px 0;
    }
    
    .contact-card {
        padding: 30px 20px;
    }
    
    .contact-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 25px;
    }
    
    .contact-icon i {
        font-size: 30px;
    }
    
    .contact-card h3 {
        font-size: 22px;
    }
    
    .contact-details {
        font-size: 17px;
    }
    
    .about-banner .banner-content h1 {
        font-size: 32px;
    }
    
    .about-banner .banner-content p {
        font-size: 18px;
    }
    
    .intro-text h3 {
        font-size: 24px;
    }
    
    .highlight-text {
        font-size: 20px;
    }
    
    .mv-card {
        padding: 30px;
    }
    
    .value-item {
        padding: 30px 20px;
    }
    
    .values-container {
        grid-template-columns: 1fr;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .stat-number {
        font-size: 48px;
    }
    
    .blog-title {
        font-size: 22px;
    }
    
    .blog-excerpt {
        font-size: 15px;
    }
    
    .sidebar-widget {
        padding: 20px;
    }
    
    .widget-title {
        font-size: 20px;
    }
    
    .article-title {
        font-size: 28px;
    }
    
    .article-content {
        padding: 20px;
    }
    
    .article-body {
        font-size: 16px;
    }
    
    .article-body h2 {
        font-size: 24px;
    }
    
    .article-body h3 {
        font-size: 20px;
    }
    
    .share-buttons {
        gap: 10px;
    }
    
    .share-button {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .industry-title {
        font-size: 28px;
    }
    
    .industry-text {
        padding: 30px 20px;
    }
}

@media (max-width: 400px) {
    .product-banner,
    .support-banner,
    .blog-banner,
    .industry-banner {
        height: 350px;
    }
    
    .contact-banner {
        height: 280px;
    }
    
    .about-banner {
        height: 400px;
    }
    
    .article-banner {
        height: 300px;
    }
    
    .banner-content h1 {
        font-size: 24px;
    }
    
    .content-image {
        height: 250px;
    }
    
    .video-section {
        min-height: 350px;
    }
    
    .video-wrapper {
        height: 45%;
    }
    
    .quote-large {
        font-size: 22px;
    }
    
    .about-banner .banner-content h1 {
        font-size: 28px;
    }
    
    .blog-image {
        height: 200px;
    }
    
    .article-title {
        font-size: 24px;
    }
    
    .industry-image {
        height: 35vh;
    }
    
    .industry-title {
        font-size: 24px;
    }
}
     /* 移动端导航菜单 */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 300px;
            height: 100vh;
            background-color: rgba(255, 255, 255, 0.98);
            z-index: 1002;
            padding: 100px 30px 30px;
            transition: right 0.4s ease;
            overflow-y: auto;
            box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
        }
        
        .mobile-menu.active {
            right: 0;
        }
        
        .mobile-menu li {
            list-style: none;
            margin-bottom: 20px;
        }
        
        .mobile-menu a {
            color: #231f20;
            text-decoration: none;
            font-size: 20px;
            display: block;
            padding: 10px 0;
            border-bottom: 1px solid #eee;
        }
        
        .mobile-dropdown {
            display: none;
            padding-left: 20px;
            margin-top: 10px;
        }
        
        .mobile-dropdown.active {
            display: block;
        }
        
        .mobile-dropdown li {
            margin-bottom: 10px;
        }
        
        .mobile-dropdown a {
            font-size: 16px;
            border-bottom: none;
            color: #666;
        }
        
        .close-menu {
            position: absolute;
            top: 30px;
            right: 30px;
            font-size: 28px;
            color: #231f20;
            cursor: pointer;
        }
        
        .menu-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 1001;
            display: none;
        }
        
        .menu-overlay.active {
            display: block;
        }
        
        /* 特色按钮样式 */
        .cta-button {
            display: inline-block;
            background-color: #ef3238;
            color: white;
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            margin-top: 20px;
            transition: all 0.3s;
            border: 2px solid #ef3238;
        }
        
        .cta-button:hover {
            background-color: transparent;
            color: #ef3238;
        }