/* ===== 基础变量 ===== */
:root {
    /* 主题色 */
    --primary: #1890ff;
    --primary-dark: #096dd9;
    --primary-light: #e6f7ff;
    --secondary: #001529;
    
    /* 文本色 */
    --text-dark: #333;
    --text-gray: #666;
    --text-light: #999;
    
    /* 背景色 */
    --bg-white: #fff;
    --bg-light: #f5f5f5;
    --bg-dark: #001529;
    
    /* 边框和阴影 */
    --border: #e8e8e8;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    
    /* 动画 */
    --transition: all 0.3s ease;
}

/* ===== 重置样式 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
    color: var(--text-dark);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
    padding: 0 15px;
}

/* ===== 顶部信息栏 ===== */
.top-bar {
    background: var(--secondary);
    color: var(--bg-white);
    padding: 8px 0;
    font-size: 14px;
}

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

.contact-info span {
    margin-right: 20px;
}

.contact-info i {
    margin-right: 5px;
    color: var(--primary);
}

.social-links a {
    color: var(--bg-white);
    margin-left: 15px;
    transition: var(--transition);
}

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

/* ===== 导航栏 ===== */
.header {
    position: sticky;
  top: 0;
  left: 0;
  width: 100%;
    background: var(--bg-white);
    box-shadow: var(--shadow);
  z-index: 1000;
}

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

.logo img {
  height: 40px;
}

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

.main-nav a {
    color: var(--text-dark);
    text-decoration: none;
  font-weight: 500;
  padding: 8px 0;
  position: relative;
}

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

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

/* ===== 主横幅 ===== */
.hero {
    height: 100vh;
  position: relative;
  overflow: hidden;
    background: var(--bg-dark);
}

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

.slide {
  position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
  opacity: 0;
    transform: scale(1.1);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide.active {
  opacity: 1;
    transform: scale(1);
}

/* 轮播图内容样式优化 */
.slide-content {
    flex: 1;
    padding: 0 50px;
    position: relative;
  z-index: 2;
    max-width: 600px;
}

.slide-content h1 {
    font-size: 48px;
    font-weight: 700;
    color: var(--bg-white);
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.slide-content p {
    font-size: 18px;
    color: var(--bg-white);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.5s;
    margin-bottom: 30px;
    line-height: 1.6;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.slide.active .slide-content h1,
.slide.active .slide-content p {
    opacity: 1;
    transform: translateY(0);
}

.slide-image {
    flex: 1;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.slide-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
    transform: scale(1.1);
    transition: transform 8s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide.active .slide-image img {
    transform: scale(1);
}

/* 轮播图控制按钮优化 */
.slider-controls {
  position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
  z-index: 3;
}

.slider-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
}

.slider-dot:hover {
    background: rgba(255, 255, 255, 0.5);
}

.slider-dot.active {
    background: var(--bg-white);
    transform: scale(1.2);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* 轮播图背景遮罩优化 */
.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to right,
        rgba(0,0,0,0.8) 0%,
        rgba(0,0,0,0.4) 50%,
        rgba(0,0,0,0.2) 100%
    );
    z-index: 1;
}

/* 轮播图按钮样式优化 */
.btn-primary {
    display: inline-block;
    padding: 12px 30px;
    background: var(--primary);
    color: var(--bg-white);
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition);
}

.slide.active .btn-primary {
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.7s;
}

.btn-primary:hover {
    background: var(--primary-dark);
  transform: translateY(-2px);
}

/* 添加轮播图导航箭头 */
.slider-arrow {
  position: absolute;
  top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
  cursor: pointer;
    z-index: 3;
    transition: all 0.3s ease;
}

.slider-arrow:hover {
    background: rgba(255, 255, 255, 0.3);
}

.slider-arrow.prev {
    left: 30px;
}

.slider-arrow.next {
    right: 30px;
}

.slider-arrow i {
    color: var(--bg-white);
    font-size: 24px;
}

/* ===== 特性部分 ===== */
.features {
    padding: 70px 0;
    background: var(--bg-light);
}

.section-header {
  text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 32px;
  margin-bottom: 10px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.feature-item {
    background: var(--bg-white);
    padding: 25px;
    border-radius: 6px;
  text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 36px;
    color: var(--primary);
    margin-bottom: 15px;
}

/* ===== 产品展示 ===== */
.products {
    padding: 100px 0;
    background: linear-gradient(to bottom, #f8f9fa, #ffffff);
    position: relative;
    overflow: hidden;
}

/* 背景装饰 */
.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('path/to/pattern.png');
    opacity: 0.05;
    pointer-events: none;
}

/* 标题样式 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    display: block;
    font-size: 14px;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.section-header h2 {
    font-size: 36px;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary);
}

.section-header p {
    color: var(--text-gray);
    font-size: 16px;
    max-width: 600px;
    margin: 20px auto 0;
}

/* 产品分类标签 */
.product-tabs {
  display: flex;
  justify-content: center;
    gap: 10px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 25px;
    border: none;
    background: var(--white);
    cursor: pointer;
    font-size: 15px;
    color: var(--text-gray);
    border-radius: 30px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.tab-btn:hover {
    transform: translateY(-2px);
}

.tab-btn.active {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 5px 15px rgba(24,144,255,0.3);
}

/* 产品网格 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    padding: 20px 0;
}

/* 产品卡片 */
.product-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.4s ease;
    position: relative;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

/* 产品图片容器 */
.product-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.product-image img {
  width: 100%;
    height: 100%;
  object-fit: cover;
    transition: transform 0.6s ease;
}

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

/* 产品信息覆盖层 */
.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.8), rgba(0,0,0,0.2));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
    opacity: 0;
    transition: all 0.4s ease;
}

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

/* 快速信息 */
.product-quick-info {
  display: flex;
    justify-content: space-around;
    margin-bottom: 20px;
}

.info-item {
    color: var(--white);
  text-align: center;
}

.info-item i {
    font-size: 24px;
    margin-bottom: 5px;
    display: block;
}

.info-item span {
    font-size: 14px;
}

/* 查看按钮 */
.btn-view {
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    padding: 12px 25px;
    border-radius: 25px;
    text-align: center;
    transition: all 0.3s ease;
    transform: translateY(20px);
    opacity: 0;
}

.product-card:hover .btn-view {
    transform: translateY(0);
    opacity: 1;
}

.btn-view:hover {
    background: var(--primary-dark);
    box-shadow: 0 5px 15px rgba(24,144,255,0.4);
}

/* 产品信息 */
.product-info {
    padding: 25px;
    position: relative;
}

.product-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: var(--primary);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    box-shadow: 0 3px 10px rgba(24,144,255,0.3);
}

.product-info h3 {
    font-size: 20px;
  margin-bottom: 10px;
    color: var(--text-dark);
}

.product-info p {
    color: var(--text-gray);
    margin-bottom: 15px;
    font-size: 14px;
}

/* 产品特性 */
.product-features {
  display: flex;
  flex-wrap: wrap;
    gap: 10px;
}

.product-features span {
    font-size: 13px;
    color: var(--text-gray);
    display: flex;
    align-items: center;
}

.product-features i {
    color: var(--primary);
    margin-right: 5px;
    font-size: 12px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-tabs {
        gap: 5px;
    }
    
    .tab-btn {
        padding: 8px 15px;
        font-size: 14px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-card {
    animation: fadeInUp 0.6s ease backwards;
}

.product-card:nth-child(2) {
    animation-delay: 0.2s;
}

.product-card:nth-child(3) {
    animation-delay: 0.4s;
}

/* ===== 联系我们 ===== */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e6f7ff 100%);
    position: relative;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

/* 地图区域样式 */
.map-wrapper {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
}

.map-container {
    flex: 1;
    min-height: 400px;
    position: relative;
}

#map {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.location-list {
    padding: 30px;
    background: var(--white);
    border-top: 1px solid var(--border);
}

.location-list h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--text-dark);
  text-align: center;
}

.location-tabs {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    justify-content: center;
}

.location-tab {
    padding: 10px 20px;
    border: none;
    background: #f5f5f5;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.location-tab.active {
    background: var(--primary);
    color: var(--white);
}

.location-tab:hover {
    background: var(--primary-light);
    color: var(--white);
}

.location-content {
    position: relative;
}

.location-item {
    display: none;
    animation: fadeIn 0.3s ease;
}

.location-item.active {
    display: block;
}

.branch-office {
    padding: 15px;
    border-bottom: 1px solid var(--border);
}

.branch-office:last-child {
    border-bottom: none;
}

.branch-office h4 {
    font-size: 16px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.branch-office p {
    color: var(--text-gray);
    margin-bottom: 5px;
  display: flex;
  align-items: center;
    gap: 10px;
}

.branch-office i {
    color: var(--primary);
    font-size: 14px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@media (max-width: 768px) {
    .location-tabs {
  flex-wrap: wrap;
    }
    
    .location-tab {
        flex: 1 1 calc(50% - 10px);
        text-align: center;
    }
}

/* 页脚样式优化 */
.footer {
    background: linear-gradient(135deg, #001529 0%, #003366 100%);
    color: var(--bg-white);
    padding: 80px 0 30px;
  position: relative;
  overflow: hidden;
}

/* 页脚背景装饰 */
.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
  width: 100%;
    height: 100%;
    background: url('path/to/pattern.png');
    opacity: 0.05;
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
  position: relative;
  z-index: 1;
}

/* 公司信息部分 */
.footer-about {
    padding-right: 30px;
}

.footer-logo {
    height: 45px;
    margin-bottom: 20px;
}

.footer-about p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 25px;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
    color: var(--bg-white);
    font-size: 18px;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

/* 快速链接部分 */
.footer-links h4 {
    color: var(--bg-white);
    font-size: 18px;
    margin-bottom: 25px;
  position: relative;
    padding-bottom: 10px;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--primary);
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
  display: flex;
  align-items: center;
}

.footer-links a:hover {
    color: var(--bg-white);
    transform: translateX(5px);
}

.footer-links a i {
    margin-right: 8px;
    font-size: 14px;
}

/* 联系方式部分 */
.footer-contact li {
  display: flex;
  align-items: flex-start;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact i {
    margin-right: 15px;
    font-size: 20px;
    color: var(--primary);
}

/* 二维码部分 */
.footer-qr {
  text-align: center;
}

.footer-qr img {
    width: 120px;
    margin-bottom: 15px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.footer-qr p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

/* 页脚底部 */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
  display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

.footer-links-bottom {
    display: flex;
    gap: 20px;
}

.footer-links-bottom a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links-bottom a:hover {
    color: var(--bg-white);
}

/* 关于我们板块样式 */
.about {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}

/* 背景装饰 */
.about::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(24,144,255,0.05) 100%);
    clip-path: polygon(25% 0%, 100% 0%, 100% 100%, 0% 100%);
}

/* 标题样式 */
.section-subtitle {
    display: block;
    font-size: 14px;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.section-header h2 {
    font-size: 36px;
    margin-bottom: 15px;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary);
}

/* 内容布局 */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
    align-items: center;
}

/* 图片样式 */
.about-image {
    position: relative;
}

.image-main {
    border-radius: 15px;
  overflow: hidden;
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.image-main img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.image-floating {
  position: absolute;
    bottom: -30px;
    right: -30px;
    width: 200px;
    height: 200px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

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

.experience-badge {
    position: absolute;
    top: -25px;
    left: -25px;
    width: 100px;
    height: 100px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: 0 5px 15px rgba(24,144,255,0.3);
}

.experience-badge .number {
    font-size: 32px;
  font-weight: 700;
    line-height: 1;
}

.experience-badge .text {
    font-size: 12px;
    margin-top: 5px;
}

/* 文本内容样式 */
.about-text h3 {
    font-size: 28px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.about-text .lead {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 20px;
    font-weight: 500;
}

.about-description {
    color: var(--text-gray);
    margin-bottom: 30px;
    line-height: 1.8;
}

/* 统计数据 */
.company-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.stat-item {
  text-align: center;
    padding: 20px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 5px;
}

.stat-label {
    color: var(--text-gray);
    font-size: 14px;
}

/* 特性列表 */
.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-bottom: 40px;
}

.feature-item {
  display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: rgba(24,144,255,0.1);
    border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
    color: var(--primary);
    font-size: 24px;
}

.feature-content h4 {
    font-size: 16px;
    margin-bottom: 5px;
    color: var(--text-dark);
}

.feature-content p {
    font-size: 14px;
    color: var(--text-gray);
}

/* CTA按钮 */
.about-cta {
  display: flex;
    gap: 20px;
  align-items: center;
}

.btn-video {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.3s ease;
}

.btn-video i {
    width: 40px;
    height: 40px;
    background: var(--white);
  border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.btn-video:hover {
    color: var(--primary);
}

.btn-video:hover i {
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(24,144,255,0.2);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .about-content {
        gap: 40px;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .image-floating {
        display: none;
    }
    
    .company-stats {
        grid-template-columns: 1fr;
    }
}

/* 解决方案板块样式 */
.solutions {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e6f7ff 100%);
    position: relative;
    overflow: hidden;
}

/* 背景装饰 */
.solutions::before {
    content: '';
  position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('path/to/pattern.png');
    opacity: 0.05;
  pointer-events: none;
}

/* 解决方案包装器 */
.solutions-wrapper {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    margin-top: 50px;
}

/* 导航样式 */
.solution-nav {
    background: var(--white);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.nav-item {
  display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 10px;
}

.nav-item:last-child {
    margin-bottom: 0;
}

.nav-item.active {
    background: var(--primary);
    color: var(--white);
}

.nav-item:hover:not(.active) {
    background: rgba(24,144,255,0.1);
}

.nav-icon {
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.nav-item:not(.active) .nav-icon {
    background: rgba(24,144,255,0.1);
    color: var(--primary);
}

.nav-content h4 {
    font-size: 16px;
    margin-bottom: 5px;
}

.nav-content p {
    font-size: 14px;
    opacity: 0.8;
}

/* 详情样式 */
.solution-detail {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.solution-detail.active {
    display: grid;
    opacity: 1;
    transform: translateY(0);
}

.detail-content {
    padding: 30px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.detail-content h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

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

/* 特性列表 */
.detail-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: rgba(24,144,255,0.05);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.feature:hover {
    background: rgba(24,144,255,0.1);
    transform: translateY(-2px);
}

.feature i {
    color: var(--primary);
    font-size: 20px;
}

/* 统计数据 */
.detail-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.stat {
    text-align: center;
    padding: 20px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
}

.stat-number {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-gray);
}

/* 图片部分 */
.detail-image {
  position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.detail-image img {
  width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.detail-image:hover .image-overlay {
    opacity: 1;
}

.btn-video {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: var(--white);
    color: var(--primary);
    text-decoration: none;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.btn-video:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(255,255,255,0.3);
}

.btn-solution {
  display: inline-block;
    padding: 12px 30px;
    background: var(--primary);
    color: var(--white);
  text-decoration: none;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.btn-solution:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(24,144,255,0.3);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .solutions-wrapper {
        grid-template-columns: 1fr;
    }

    .solution-nav {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .nav-item {
        margin-bottom: 0;
    }
}

@media (max-width: 768px) {
    .solution-nav {
        grid-template-columns: 1fr;
    }

    .solution-detail {
        grid-template-columns: 1fr;
    }

    .detail-features {
        grid-template-columns: 1fr;
    }

    .detail-stats {
        grid-template-columns: 1fr;
  }
}

/* 客户服务板块样式 */
.service {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e6f7ff 100%);
    position: relative;
    overflow: hidden;
}

/* 背景装饰 */
.service::before {
    content: '';
  position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('path/to/pattern.png');
    opacity: 0.05;
  pointer-events: none;
}

/* 服务优势卡片 */
.service-advantages {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 80px;
}

.advantage-card {
    background: var(--white);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.advantage-card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    width: 70px;
    height: 70px;
    background: rgba(24,144,255,0.1);
    border-radius: 15px;
  display: flex;
    align-items: center;
  justify-content: center;
    margin-bottom: 20px;
}

.card-icon i {
    font-size: 30px;
    color: var(--primary);
}

.card-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.card-content p {
    color: var(--text-gray);
    margin-bottom: 15px;
}

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

.feature-list li {
  display: flex;
  align-items: center;
    margin-bottom: 8px;
    color: var(--text-gray);
    font-size: 14px;
}

.feature-list i {
    color: var(--primary);
    margin-right: 8px;
    font-size: 12px;
}

/* 服务流程 */
.service-process {
    background: var(--white);
    border-radius: 15px;
    padding: 40px;
    margin-bottom: 80px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.service-process h3 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 24px;
    color: var(--text-dark);
}

.process-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--border);
    z-index: 1;
}

.step {
    text-align: center;
    position: relative;
    z-index: 2;
    flex: 1;
}

.step-icon {
    width: 80px;
    height: 80px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    border: 2px solid var(--primary);
    position: relative;
}

.step-icon i {
    font-size: 30px;
    color: var(--primary);
}

.step-number {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 25px;
    height: 25px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step h4 {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--text-dark);
}

.step p {
    color: var(--text-gray);
    font-size: 14px;
}

/* 服务承诺 */
.service-commitment {
    text-align: center;
    margin-bottom: 80px;
}

.commitment-header {
    margin-bottom: 40px;
}

.commitment-header h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.commitment-cards {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.commitment-card {
    background: var(--white);
    border-radius: 15px;
    padding: 30px;
    min-width: 200px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.commitment-card:hover {
    transform: translateY(-5px);
}

.commitment-card i {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 15px;
}

/* 联系方式 */
.service-contact {
    background: var(--white);
    border-radius: 15px;
    padding: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.contact-info h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.contact-methods {
    display: flex;
    gap: 30px;
    margin-top: 20px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-method:hover {
    color: var(--primary);
}

.btn-service {
    display: inline-block;
    padding: 15px 40px;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.btn-service:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(24,144,255,0.3);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .service-advantages {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .service-advantages {
        grid-template-columns: 1fr;
    }

    .process-steps {
        flex-direction: column;
        gap: 30px;
    }

    .process-steps::before {
        display: none;
    }

    .commitment-cards {
        flex-direction: column;
    }

    .service-contact {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .contact-methods {
        justify-content: center;
  }
}

.contact-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 36px;
    color: #333;
    margin-bottom: 15px;
}

.section-desc {
    color: #666;
    font-size: 16px;
}

.contact-content {
    display: flex;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
}

.info-card i {
    font-size: 30px;
    color: #007bff;
    margin-bottom: 15px;
}

.info-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.info-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 8px;
}

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

.social-links a {
    color: #666;
    font-size: 24px;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: #007bff;
}

/* 地图容器样式 */
.map-container {
    flex: 1;
    height: 500px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

#company-map {
    width: 100%;
    height: 100%;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .contact-content {
        flex-direction: column;
    }
    
    .map-container {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 28px;
    }
    
    .info-card {
        padding: 20px;
    }
}