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

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

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

/* 导航栏样式 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.nav-brand h1 {
    color: #2c5aa0;
    font-size: 24px;
    margin-bottom: 2px;
}

.nav-brand .tagline {
    font-size: 12px;
    color: #666;
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #2c5aa0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2c5aa0;
    transition: width 0.3s ease;
}

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

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

.dropdown-content {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 200px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
}

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

.dropdown-content a {
    display: block;
    padding: 12px 20px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid #f0f0f0;
}

.dropdown-content a:last-child {
    border-bottom: none;
}

.dropdown-content a:hover {
    background: #f8f9fa;
    color: #2c5aa0;
    padding-left: 25px;
}

.contact-info {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #2c5aa0;
    font-weight: 600;
}

.contact-info i {
    font-size: 16px;
}

/* 主要展示区域 */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    display: block;
    margin: 0;
    padding: 0;
}

.hero-carousel {
    position: relative;
    height: 100%;
    width: 100%;
    display: block;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform: scale(1.1);
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.hero-slide.prev {
    opacity: 0;
    transform: scale(0.9);
}

.hero-slide.next {
    opacity: 0;
    transform: scale(1.2);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    transition: all 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform: scale(1);
}

.hero-slide.active .hero-background {
    transform: scale(1.05);
}

.hero-slide:not(.active) .hero-background {
    transform: scale(1.1);
}

/* 移除遮罩层和装饰元素，让图片清晰展示 */

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 15px;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 40px;
    opacity: 0.8;
}

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

.btn {
    display: inline-block;
    padding: 15px 35px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: #2c5aa0;
    color: white;
    border: 2px solid #2c5aa0;
}

.btn-primary:hover {
    background: transparent;
    color: #2c5aa0;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(44, 90, 160, 0.3);
}

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

.btn-secondary:hover {
    background: white;
    color: #2c5aa0;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3);
}

/* 轮播控制按钮 */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.8);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    transition: all 0.3s ease;
    z-index: 10;
    backdrop-filter: blur(10px);
}

.carousel-btn:hover {
    background: rgba(0, 0, 0, 0.6);
    border-color: white;
    transform: translateY(-50%) scale(1.1);
}

.prev-btn {
    left: 30px;
}

.next-btn {
    right: 30px;
}

/* 轮播指示器 */
.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 100;
    pointer-events: auto;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(0, 0, 0, 0.3);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.indicator.active {
    background: white;
    border-color: rgba(44, 90, 160, 0.8);
    transform: scale(1.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

/* 通用区域样式 */
section {
    padding: 100px 0;
}

/* 轮播区域特殊处理，不需要padding */
section.hero {
    padding: 0;
}

/* 页面横幅特殊处理，不需要padding */
section.page-banner {
    padding: 0;
}

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

.section-header h2 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 15px;
    position: relative;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #2c5aa0;
    border-radius: 2px;
}

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

/* 产品展示区域 */
.products {
    background: #f8f9fa;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background: white;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    padding: 0;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(44, 90, 160, 0.1), transparent);
    transition: left 0.5s ease;
    z-index: 1;
}

.product-card:hover::before {
    left: 100%;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.product-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
    border-radius: 15px 15px 0 0;
    position: relative;
}

.product-image img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    object-position: center center;
    transition: all 0.3s ease;
    display: block;
}

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

.product-card h3 {
    font-size: 1.1rem;
    color: #333;
    margin: 0;
    padding: 15px 20px;
    position: relative;
    z-index: 2;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    background: transparent;
}

.product-card:hover h3 {
 
}

/* 案例展示区域 */
.films-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.film-card {
    background: white;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
    padding: 0;
    border: 2px solid transparent;
}

.film-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(44, 90, 160, 0.1), rgba(116, 75, 162, 0.1));
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
}

.film-card:hover::before {
    opacity: 1;
}

.film-card:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: 0 20px 50px rgba(44, 90, 160, 0.25);
    border-color: rgba(44, 90, 160, 0.3);
}

.film-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: 20px 20px 0 0;
    position: relative;
}

.film-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(44, 90, 160, 0.2), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
}

.film-card:hover .film-image::after {
    opacity: 1;
}

.film-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    object-position: center center;
    transition: all 0.4s ease;
    display: block;
    filter: brightness(1);
}

.film-card:hover .film-image img {
    transform: scale(1.08);
    filter: brightness(1.1);
}

.film-card h3 {
    font-size: 1rem;
    color: #333;
    margin: 0;
    padding: 15px 15px;
    position: relative;
    z-index: 2;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
    background: transparent;
    font-weight: 600;
    line-height: 1.2;
}

.film-card:hover h3 {
    background: linear-gradient(135deg, #2c5aa0, #4a7bc8);
    color: white;
    transform: translateY(-2px);
}

/* 页面标题区域 */
.page-title {
    background: white;
    padding: 30px 0 20px;
    margin-top: 80px;
    border-bottom: 1px solid #f0f0f0;
}

.title-content {
    text-align: center;
}

.page-main-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 1.1rem;
    color: #666;
    margin: 0;
    line-height: 1.6;
}

/* 页面横幅图片 */
.page-banner {
    position: relative;
    width: 100%;
    overflow: hidden;
    margin-top: 80px;
}

.banner-content {
    width: 100%;
    display: block;
    line-height: 0;
}

.banner-content img {
    width: 100%;
     
    object-fit: cover;
    object-position: center center;
    display: block;
    vertical-align: top;
}

/* 当前位置导航 */
.breadcrumb-nav {
    background: #f8f9fa;
    padding: 15px 0;
    border-bottom: 1px solid #e9ecef;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.9rem;
    color: #666;
}

.breadcrumb-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.breadcrumb-right {
    display: flex;
    align-items: center;
}

.breadcrumb a {
    color: #2c5aa0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: #1a4480;
}

.breadcrumb i {
    font-size: 0.7rem;
    color: #999;
}

.back-home {
    font-size: 0.9rem;
    padding: 5px 12px;
    border: 1px solid #2c5aa0;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.back-home:hover {
    background: #2c5aa0;
    color: white !important;
}

/* 产品分类导航 */
.product-nav {
    background: white;
    padding: 30px 0 20px;
    border-bottom: 1px solid #f0f0f0;
}

.product-nav .title-content {
    text-align: center;
    margin-bottom: 30px;
}

.product-nav .page-main-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.product-nav .page-subtitle {
    font-size: 1.1rem;
    color: #666;
    margin: 0;
    line-height: 1.6;
}

.nei_ul {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0;
}

.nei_ul li {
    display: inline-flex;
    align-items: center;
    margin: 0;
    padding: 0;
    position: relative;
}

.nei_ul li a {
    display: inline-block;
    padding: 8px 0;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    font-weight: normal;
    transition: color 0.3s ease;
    position: relative;
    margin-right: 0;
}

.nei_ul li a:hover,
.nei_ul li a.active,
.nei_ul li a.nei_catev.active {
    color: #2c5aa0;
}

.nei_ul li a.nei_catev {
    font-weight: 500;
}

/* 分隔符样式 - 使用文本内容 */
.nei_ul li:not(:last-child)::after {
    content: " / ";
    color: #999;
    margin: 0 8px;
    font-size: 14px;
}

.nei_ul li:last-child::after {
    display: none;
}

/* 产品展示区域 */
.products-showcase {
    padding: 80px 0;
    background: #f8f9fa;
}

.products-showcase .products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.products-showcase .product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
}

.products-showcase .product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.products-showcase .product-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

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

.products-showcase .product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(44, 90, 160, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.products-showcase .product-card:hover .product-overlay {
    opacity: 1;
}

.product-actions {
    display: flex;
    gap: 15px;
}

.btn-view,
.btn-detail {
    width: 50px;
    height: 50px;
    background: white;
    color: #2c5aa0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.btn-view:hover,
.btn-detail:hover {
    background: #2c5aa0;
    color: white;
    transform: scale(1.1);
}

.product-info {
    padding: 25px;
}

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

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

/* 分页导航 */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.page-btn {
    padding: 12px 20px;
    background: white;
    color: #2c5aa0;
    text-decoration: none;
    border-radius: 8px;
    border: 2px solid #2c5aa0;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.page-btn:hover:not(.disabled) {
    background: #2c5aa0;
    color: white;
}

.page-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: #ddd;
    color: #999;
}

.page-numbers {
    display: flex;
    gap: 10px;
}

.page-number {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    color: #666;
    text-decoration: none;
    border-radius: 8px;
    border: 2px solid #e0e0e0;
    transition: all 0.3s ease;
    font-weight: 500;
}

.page-number:hover,
.page-number.active {
    background: #2c5aa0;
    color: white;
    border-color: #2c5aa0;
}

/* 文章内容页样式 */
.article-content {
    background: #f8f9fa;
    padding: 40px 0 80px;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    align-items: start;
}

/* 文章主体 */
.article-main {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.article-detail {
    padding: 40px;
}

.article-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f0f0f0;
}

.article-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: #333;
    line-height: 1.3;
    margin-bottom: 20px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.9rem;
    color: #666;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.meta-item i {
    color: #2c5aa0;
}

/* 文章正文 */
.article-body {
    line-height: 1.8;
    color: #444;
}

.article-body h2 {
    font-size: 1.6rem;
    color: #333;
    margin: 30px 0 15px;
    padding-left: 15px;
    border-left: 4px solid #2c5aa0;
}

.article-body h3 {
    font-size: 1.3rem;
    color: #333;
    margin: 25px 0 12px;
}

.article-body h4 {
    font-size: 1.1rem;
    color: #333;
    margin: 20px 0 10px;
}

.article-body p {
    margin-bottom: 15px;
    text-indent: 2em;
}

.article-body ul,
.article-body ol {
    margin: 15px 0;
    padding-left: 30px;
}

.article-body li {
    margin-bottom: 8px;
}

.article-summary {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #2c5aa0;
    margin-bottom: 30px;
}

.article-summary p {
    margin: 0;
    font-weight: 500;
    color: #555;
    text-indent: 0;
}

/* 文章图片 */
.article-image {
    text-align: center;
    margin: 30px 0;
}

.article-image img {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.image-caption {
    font-size: 0.9rem;
    color: #666;
    margin-top: 10px;
    font-style: italic;
}

/* 高亮框 */
.highlight-box {
    background: linear-gradient(135deg, #e3f2fd, #f3e5f5);
    border: 1px solid #2c5aa0;
    border-radius: 10px;
    padding: 20px;
    margin: 25px 0;
}

.highlight-box h4 {
    color: #2c5aa0;
    margin: 0 0 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.highlight-box p {
    margin: 0;
    text-indent: 0;
}

/* 技术特点 */
.tech-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin: 25px 0;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #2c5aa0;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: #2c5aa0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.feature-content h4 {
    margin: 0 0 8px;
    color: #333;
}

.feature-content p {
    margin: 0;
    text-indent: 0;
    font-size: 0.9rem;
}

/* 应用场景网格 */
.application-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.app-item {
    background: white;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border: 1px solid #e9ecef;
}

.app-item h4 {
    color: #2c5aa0;
    margin: 0 0 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.app-item p {
    margin: 0;
    font-size: 0.9rem;
    text-indent: 0;
}

/* 时间线 */
.process-timeline {
    margin: 30px 0;
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
    position: relative;
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 20px;
    top: 45px;
    width: 2px;
    height: 25px;
    background: #ddd;
}

.timeline-marker {
    width: 40px;
    height: 40px;
    background: #2c5aa0;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.timeline-content h4 {
    margin: 0 0 8px;
    color: #333;
}

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

/* 案例展示 */
.case-examples {
    display: grid;
    gap: 25px;
    margin: 25px 0;
}

.case-item {
    display: flex;
    gap: 20px;
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
}

.case-item img {
    width: 150px;
    height: 100px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
}

.case-content h4 {
    margin: 0 0 10px;
    color: #333;
}

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

/* 联系CTA */
.contact-cta {
    background: linear-gradient(135deg, #2c5aa0, #4a7bc8);
    color: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    margin: 40px 0 0;
}

.contact-cta h3 {
    margin: 0 0 15px;
    color: white;
}

.contact-cta p {
    margin: 0 0 25px;
    text-indent: 0;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.cta-buttons .btn {
    padding: 12px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cta-buttons .btn-primary {
    background: white;
    color: #2c5aa0;
}

.cta-buttons .btn-primary:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}

.cta-buttons .btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.cta-buttons .btn-secondary:hover {
    background: white;
    color: #2c5aa0;
    transform: translateY(-2px);
}

/* 文章页脚 */
.article-footer {
    margin-top: 40px;
    padding-top: 25px;
    border-top: 2px solid #f0f0f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.article-tags,
.article-share {
    display: flex;
    align-items: center;
    gap: 10px;
}

.tag-label,
.share-label {
    font-weight: 600;
    color: #333;
}

.tag {
    background: #f0f0f0;
    color: #666;
    padding: 4px 12px;
    border-radius: 15px;
    text-decoration: none;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.tag:hover {
    background: #2c5aa0;
    color: white;
}

.share-btn {
    width: 35px;
    height: 35px;
    background: #f0f0f0;
    color: #666;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.share-btn:hover {
    background: #2c5aa0;
    color: white;
    transform: translateY(-2px);
}

/* 侧边栏 */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.sidebar-widget {
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

.widget-title {
    font-size: 1.2rem;
    color: #333;
    margin: 0 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #2c5aa0;
}

/* 相关产品 */
.related-products {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.related-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    border-radius: 6px;
    transition: background 0.3s ease;
}

.related-item:hover {
    background: #f8f9fa;
}

.related-item img {
    width: 60px;
    height: 45px;
    object-fit: cover;
    border-radius: 4px;
    flex-shrink: 0;
}

.related-content h4 {
    margin: 0 0 5px;
    font-size: 0.9rem;
    color: #333;
}

.related-content p {
    margin: 0;
    font-size: 0.8rem;
    color: #666;
}

/* 热门文章 */
.popular-articles {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.popular-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.popular-number {
    width: 25px;
    height: 25px;
    background: #2c5aa0;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
    flex-shrink: 0;
}

.popular-item a {
    color: #333;
    text-decoration: none;
    font-size: 0.9rem;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.popular-item a:hover {
    color: #2c5aa0;
}

/* 联系信息 */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.contact-info p {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: #666;
}

.contact-info i {
    color: #2c5aa0;
    width: 16px;
}

/* 服务流程 */
.services {
    background: #f8f9fa;
}

.services-flow {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.service-step {
    text-align: center;
    max-width: 140px;
    position: relative;
}

.service-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 40px;
    right: -45px;
    width: 30px;
    height: 2px;
    background: #ddd;
    z-index: 1;
}

.step-number {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 30px;
    height: 30px;
    background: #2c5aa0;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    z-index: 2;
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.service-step:hover .step-icon {
    transform: scale(1.1);
    background: #2c5aa0;
}

.step-icon i {
    font-size: 28px;
    color: #2c5aa0;
    transition: color 0.3s ease;
}

.service-step:hover .step-icon i {
    color: white;
}

.service-step h3 {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 10px;
}

.service-step p {
    font-size: 0.9rem;
    color: #666;
}

/* 关于我们 */
.about {
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 30px;
}

.about-text p {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 15px;
    transition: all 0.3s ease;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c5aa0;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    color: #666;
    font-weight: 500;
}

/* 页脚 */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #2c5aa0;
}

.footer-section p,
.footer-section li {
    margin-bottom: 10px;
    color: #ccc;
    line-height: 1.6;
}

.footer-section i {
    margin-right: 8px;
    color: #2c5aa0;
    width: 16px;
}

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

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

.footer-section a:hover {
    color: #2c5aa0;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
    color: #999;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideZoomIn {
    from {
        opacity: 0;
        transform: scale(1.1);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideZoomOut {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.9);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

/* 响应式设计 */
@media (max-width: 1024px) and (min-width: 769px) {
    .product-image {
        height: 220px;
    }
    
    .product-image img {
        height: 220px;
    }
    
    .product-card h3 {
        font-size: 1.05rem;
        height: 48px;
        padding: 14px 18px;
    }
    
    .film-image {
        height: 220px;
    }
    
    .film-image img {
        height: 220px;
    }
    
    .film-card h3 {
        font-size: 1.08rem;
        height: 55px;
        padding: 16px 20px;
    }
    
    .films-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-menu ul {
        flex-wrap: wrap;
        gap: 15px;
        justify-content: center;
    }
    
    /* 页面横幅响应式 */
    .page-banner {
        margin-top: 60px;
    }
    
    .banner-content img {
        height: 250px;
    }
    
    /* 当前位置导航响应式 */
    .breadcrumb-nav {
        padding: 12px 0;
    }
    
    .breadcrumb {
        font-size: 0.8rem;
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .breadcrumb-right {
        align-self: flex-end;
    }
    
    .back-home {
        font-size: 0.8rem;
        padding: 4px 10px;
    }
    
    /* 产品分类导航响应式 */
    .product-nav {
        padding: 25px 0 15px;
    }
    
    .product-nav .title-content {
        margin-bottom: 25px;
    }
    
    .product-nav .page-main-title {
        font-size: 2rem;
    }
    
    .product-nav .page-subtitle {
        font-size: 1rem;
    }
    
    .nei_ul {
        justify-content: center;
    }
    
    .nei_ul li a {
        padding: 6px 0;
        font-size: 13px;
    }
    
    .nei_ul li:not(:last-child)::after {
        margin: 0 6px;
        font-size: 13px;
    }
    
    /* 产品展示响应式 */
    .products-showcase {
        padding: 60px 0;
    }
    
    /* 文章内容页响应式 */
    .article-content {
        padding: 30px 0 60px;
    }
    
    .article-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .article-detail {
        padding: 25px;
    }
    
    .article-title {
        font-size: 1.8rem;
    }
    
    .article-meta {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .article-body h2 {
        font-size: 1.4rem;
    }
    
    .article-body h3 {
        font-size: 1.2rem;
    }
    
    .tech-features {
        grid-template-columns: 1fr;
    }
    
    .application-grid {
        grid-template-columns: 1fr;
    }
    
    .case-item {
        flex-direction: column;
    }
    
    .case-item img {
        width: 100%;
        height: 150px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .article-footer {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
    }
    
    .article-sidebar {
        order: -1;
    }
    
    .products-showcase .products-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .products-showcase .product-image {
        height: 200px;
    }
    
    .product-info {
        padding: 20px;
    }
    
    .product-info h3 {
        font-size: 1.2rem;
    }
    
    .product-info p {
        font-size: 0.9rem;
    }
    
    /* 分页导航响应式 */
    .pagination {
        flex-direction: column;
        gap: 15px;
    }
    
    .page-numbers {
        order: -1;
    }
    
    .page-btn {
        padding: 10px 18px;
        font-size: 0.9rem;
    }
    
    .page-number {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    /* 轮播控制按钮移动端适配 */
    .carousel-btn {
        width: 50px;
        height: 50px;
        font-size: 16px;
    }
    
    .prev-btn {
        left: 15px;
    }
    
    .next-btn {
        right: 15px;
    }
    
    .carousel-indicators {
        bottom: 15px;
        gap: 10px;
    }
    
    .indicator {
        width: 10px;
        height: 10px;
    }
    
    .hero {
        height: 100vh;
    }
    
    .products-grid,
    .films-grid {
        grid-template-columns: 1fr;
    }
    
    .product-image {
        height: 200px;
    }
    
    .product-image img {
        height: 200px;
    }
    
    .product-card h3 {
        font-size: 1rem;
        height: 45px;
        padding: 12px 15px;
    }
    
    .film-image {
        height: 180px;
    }
    
    .film-image img {
        height: 180px;
    }
    
    .film-card h3 {
        font-size: 0.95rem;
        height: 45px;
        padding: 12px 15px;
    }
    
    .films-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .film-card {
        border-radius: 18px;
    }
    
    .film-image {
        border-radius: 18px 18px 0 0;
    }
    
    .services-flow {
        flex-direction: column;
        align-items: center;
    }
    
    .service-step:not(:last-child)::after {
        display: none;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-stats {
        flex-direction: row;
        justify-content: space-around;
    }
    
    .stat-item {
        flex: 1;
        margin: 0 10px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .about-stats {
        flex-direction: column;
    }
    
    .stat-item {
        margin: 0;
    }
}