/* =============== 基础样式设置 =============== */
/* 导入AOS动画库 */
@import url('https://unpkg.com/aos@next/dist/aos.css');

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

/* 基础样式 */
:root {
    /* 主色调 */
    --primary-blue: #0066CC;
    --primary-green: #00CC99;
    --dark-blue: #004F9F;
    --light-blue: #EBF5FF;
    --dark-green: #009973;
    --light-green: #E6FFF7;
    
    /* 中性色 */
    --dark: #1E2233;
    --gray-900: #2D3748;
    --gray-700: #4A5568;
    --gray-500: #718096;
    --gray-300: #CBD5E0;
    --gray-100: #F7FAFC;
    --white: #FFFFFF;
    
    /* 功能色 */
    --success: #48BB78;
    --warning: #ED8936;
    --error: #E53E3E;
    
    /* 阴影 */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);
    
    /* 过渡动画 */
    --transition-slow: 0.5s all ease;
    --transition-normal: 0.3s all ease;
    --transition-fast: 0.15s all ease;
    
    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--primary-blue), var(--primary-green));
    border-radius: var(--radius-full);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--gray-900);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

/* 数字使用Roboto Mono字体 */
.data-number, .card-counter, .timeline-year {
    font-family: 'Roboto Mono', monospace;
}

/* 通用容器 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

/* 文本高亮 */
.highlight {
    color: var(--primary-blue);
    font-weight: 600;
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 6px;
    bottom: 0;
    left: 0;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    border-radius: var(--radius-full);
    opacity: 0.2;
    z-index: -1;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    outline: none;
}

.primary-btn {
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.video-btn {
    background-color: var(--white);
    color: var(--gray-900);
    margin-left: 15px;
    border: 1px solid var(--gray-300);
}

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

.video-btn i {
    margin-right: 8px;
}

.card-btn {
    padding: 8px 16px;
    font-size: 0.85rem;
    background-color: var(--light-blue);
    color: var(--primary-blue);
}

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

.submit-btn {
    width: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    color: var(--white);
    font-size: 1rem;
    padding: 14px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: var(--radius-full);
}

.section-header p {
    font-size: 1.2rem;
    color: var(--gray-700);
    max-width: 600px;
    margin: 0 auto;
}

/* 粒子背景 */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.4;
}

/* 分段线 */
section {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
}

section:nth-child(even) {
    background-color: var(--gray-100);
}

/* 悬浮咨询按钮 */
.floating-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: var(--white);
    border-radius: var(--radius-full);
    padding: 12px 24px;
    font-weight: 600;
    z-index: 999;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.floating-btn:hover {
    transform: translateY(-5px) scale(1.05);
}

/* 脉冲动画 */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 102, 204, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(0, 102, 204, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 102, 204, 0);
    }
}

/* =============== 导航栏样式 =============== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.main-header.scrolled {
    padding: 12px 0;
    box-shadow: var(--shadow-md);
}

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

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

.logo-image {
    height: 40px;
    margin-right: 10px;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-blue);
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0;
}

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

.main-nav ul li {
    margin-left: 40px;
}

.main-nav ul li a {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    transition: var(--transition-fast);
}

.main-nav ul li a:hover, .main-nav ul li a.active {
    color: var(--primary-blue);
}

.main-nav ul li a::after {
    content: "";
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
}

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

/* 汉堡菜单 */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 101;
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--primary-blue);
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
}

.mobile-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* =============== 首屏Banner样式 =============== */
.hero-banner {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 150px 0 100px;
    position: relative;
    background: radial-gradient(circle at top right, rgba(0, 204, 153, 0.1), transparent 400px),
                radial-gradient(circle at bottom left, rgba(0, 102, 204, 0.1), transparent 400px);
}

.banner-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.main-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.subtitle {
    font-size: 1.5rem;
    color: var(--gray-700);
    margin-bottom: 40px;
}

/* 数据仪表盘 */
.data-dashboard {
    margin: 50px 0;
}

.dashboard-image {
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.dashboard-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition-normal);
}

.dashboard-image:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.dashboard-image:hover img {
    transform: scale(1.02);
}

.data-card {
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-lg);
    padding: 25px 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    transform: translateY(0);
    transition: var(--transition-normal);
}

.data-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.data-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 15px;
}

.data-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    display: inline-block;
}

.data-number-suffix {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-blue);
    display: inline-block;
    margin-left: 2px;
}

.data-label {
    font-size: 1rem;
    color: var(--gray-700);
    margin-top: 5px;
}

.banner-cta {
    margin-top: 30px;
}

/* 视频区域 */
.video-container {
    padding: 80px 0;
    background-color: var(--gray-100);
}

.video-placeholder {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.video-thumbnail {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 比例 */
}

.video-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-normal);
}

.play-btn i {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-left: 5px;
}

.play-btn:hover {
    transform: translate(-50%, -50%) scale(1.1);
    background-color: var(--white);
    box-shadow: var(--shadow-lg);
}

/* =============== 战略规划样式 =============== */
.strategy-section {
    padding: 100px 0;
}

.strategy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    padding: 20px 0;
}

.strategy-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    z-index: 1;
    overflow: hidden;
    text-align: center;
}

.strategy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    z-index: 1;
}

.strategy-card::after {
    content: '';
    position: absolute;
    bottom: -100px;
    right: -100px;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: 50%;
    opacity: 0.1;
    z-index: -1;
    transition: var(--transition-normal);
}

.strategy-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.strategy-card:hover::after {
    transform: scale(1.5);
}

.card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 1.8rem;
    color: var(--white);
    position: relative;
    z-index: 2;
}

.strategy-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--gray-900);
}

.card-counter {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1;
    margin: 5px 0;
}

.counter-label {
    font-size: 1rem;
    color: var(--primary-blue);
    font-weight: 500;
    margin-bottom: 15px;
}

.card-desc {
    font-size: 1rem;
    color: var(--gray-700);
    line-height: 1.6;
}

/* =============== 发展历程样式 =============== */
.history-section {
    background: var(--light-blue);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 50px auto 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 4px;
    background: linear-gradient(var(--primary-blue), var(--primary-green));
    transform: translateX(-50%);
    border-radius: var(--radius-full);
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
}

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

.timeline-dot {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: var(--radius-full);
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.timeline-dot::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background: var(--white);
    border-radius: var(--radius-full);
}

.timeline-content {
    width: calc(50% - 40px);
    padding: 30px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: auto;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-right: auto;
}

.timeline-year {
    display: inline-block;
    padding: 5px 15px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    color: var(--white);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--primary-blue);
}

.timeline-content p {
    color: var(--gray-700);
    margin-bottom: 20px;
}

.milestone-image {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.milestone-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition-normal);
}

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

/* =============== 业务生态样式 =============== */
.business-section {
    padding: 100px 0;
    background: linear-gradient(to bottom, var(--white), var(--gray-100));
}

.business-showcase {
    display: flex;
    flex-direction: column;
    gap: 80px;
    margin-top: 50px;
}

.showcase-item {
    display: flex;
    align-items: center;
    gap: 40px;
    position: relative;
}

.showcase-item.reverse {
    flex-direction: row-reverse;
}

.showcase-image {
    flex: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
    transition: var(--transition-normal);
}

.showcase-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.2), rgba(0, 204, 153, 0.2));
    z-index: 1;
    opacity: 0;
    transition: var(--transition-normal);
}

.showcase-item:hover .showcase-image::before {
    opacity: 1;
}

.showcase-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition-normal);
}

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

.showcase-content {
    flex: 1;
    padding: 30px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 2;
    transition: var(--transition-normal);
}

.showcase-item:hover .showcase-content {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.showcase-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.showcase-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--gray-900);
}

.showcase-content p {
    color: var(--gray-700);
    margin-bottom: 25px;
    line-height: 1.6;
}

.showcase-btn {
    padding: 10px 20px;
    background-color: var(--light-blue);
    color: var(--primary-blue);
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
}

.showcase-btn:hover {
    background-color: var(--primary-blue);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* 响应式调整 */
@media (max-width: 992px) {
    .showcase-item, .showcase-item.reverse {
        flex-direction: column;
        gap: 30px;
    }
    
    .showcase-image {
        width: 100%;
    }
    
    .showcase-content {
        width: 100%;
    }
}

/* 保留原有的业务卡片样式，以防其他页面引用 */
.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.business-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.business-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

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

.card-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-content h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--gray-900);
}

.card-content p {
    color: var(--gray-700);
    margin-bottom: 25px;
    flex-grow: 1;
}

/* =============== 联系我们样式 =============== */
.contact-section {
    padding: 100px 0;
    background: linear-gradient(to bottom, var(--white), var(--gray-100));
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 50px;
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

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

.info-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.3rem;
    margin-right: 15px;
    flex-shrink: 0;
}

.info-content h3 {
    font-size: 1.1rem;
    color: var(--gray-900);
    margin-bottom: 5px;
}

.info-content p {
    color: var(--gray-700);
}

.contact-form {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--primary-blue);
    text-align: center;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.2);
    outline: none;
}

/* =============== 页脚样式 =============== */
.main-footer {
    background-color: var(--dark);
    color: var(--white);
    padding: 80px 0 20px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 50px;
}

.footer-logo {
    flex: 0 0 300px;
    margin-bottom: 30px;
}

.footer-logo h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-logo p {
    color: var(--gray-300);
    line-height: 1.7;
}

.footer-links {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.footer-column {
    flex: 0 0 200px;
    margin-bottom: 30px;
    margin-left: 30px;
}

.footer-column h3 {
    font-size: 1.1rem;
    color: var(--white);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
}

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

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

.footer-column ul li a {
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-column ul li a:hover {
    color: var(--primary-green);
    padding-left: 5px;
}

.social-links {
    display: flex;
    margin-bottom: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    margin-right: 10px;
    transition: var(--transition-normal);
}

.social-links a:hover {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    transform: translateY(-3px);
}

.qr-code {
    background-color: var(--white);
    padding: 10px;
    border-radius: var(--radius-md);
    text-align: center;
}

.qr-code img {
    width: 100px;
    height: 100px;
    margin-bottom: 5px;
}

.qr-code p {
    color: var(--gray-900);
    font-size: 0.85rem;
}

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

.footer-bottom p {
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

/* =============== 响应式媒体查询 =============== */
@media (max-width: 1200px) {
    .main-title {
        font-size: 3rem;
    }
    
    .subtitle {
        font-size: 1.3rem;
    }
    
    .section-header h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 992px) {
    section {
        padding: 80px 0;
    }
    
    .main-nav ul li {
        margin-left: 25px;
    }
    
    .main-title {
        font-size: 2.5rem;
    }
    
    .data-dashboard {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
    
    .data-number {
        font-size: 2rem;
    }
    
    .strategy-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-dot {
        left: 30px;
    }
    
    .timeline-content {
        width: calc(100% - 70px);
        margin-left: 70px !important;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .footer-logo {
        flex: 0 0 100%;
        text-align: center;
        margin-bottom: 40px;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .main-header {
        padding: 15px 0;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--white);
        box-shadow: var(--shadow-lg);
        padding: 80px 20px 30px;
        transition: var(--transition-normal);
        overflow-y: auto;
        z-index: 100;
    }
    
    .main-nav.active {
        right: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
    }
    
    .main-nav ul li {
        margin: 0 0 20px;
    }
    
    .main-nav ul li a {
        display: block;
        font-size: 1.1rem;
        padding: 10px 0;
    }
    
    .hero-banner {
        padding-top: 120px;
    }
    
    .main-title {
        font-size: 2.2rem;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .data-dashboard {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .banner-cta {
        display: flex;
        flex-direction: column;
    }
    
    .banner-cta .btn {
        margin: 10px 0;
    }
    
    .video-btn {
        margin-left: 0;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .section-header p {
        font-size: 1rem;
    }
    
    .strategy-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .footer-column {
        flex: 0 0 100%;
        margin-left: 0;
        text-align: center;
    }
    
    .footer-column h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .social-links {
        justify-content: center;
    }
    
    .qr-code {
        margin: 0 auto;
        max-width: 150px;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 1.8rem;
    }
    
    .section-header h2 {
        font-size: 1.7rem;
    }
    
    .timeline-content {
        padding: 20px;
    }
    
    .timeline-year {
        font-size: 0.9rem;
        padding: 3px 10px;
    }
    
    .timeline-content h3 {
        font-size: 1.3rem;
    }
    
    .contact-form {
        padding: 25px;
    }
    
    .floating-btn {
        padding: 10px 15px;
        font-size: 0.9rem;
        right: 15px;
        bottom: 15px;
    }
}

/* =============== 公司简介样式 =============== */
.about-section {
    padding: 120px 0 80px;
    background: radial-gradient(circle at bottom right, rgba(0, 204, 153, 0.05), transparent 400px),
                radial-gradient(circle at top left, rgba(0, 102, 204, 0.05), transparent 400px);
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
    margin-top: 40px;
}

.about-image {
    flex: 1;
    min-width: 300px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.about-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.3), rgba(0, 204, 153, 0.3));
    opacity: 0.3;
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition-normal);
}

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

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-highlight {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--primary-blue);
    line-height: 1.7;
    margin-bottom: 20px;
    padding-left: 15px;
    border-left: 4px solid var(--primary-green);
}

.about-text p {
    color: var(--gray-700);
    margin-bottom: 30px;
    line-height: 1.8;
}

.about-feature {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.feature-item:hover {
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.feature-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.3rem;
    margin-right: 15px;
}

.feature-text h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--gray-900);
}

.feature-text p {
    font-size: 0.9rem;
    color: var(--gray-700);
    margin-bottom: 0;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
    }
    
    .about-image {
        width: 100%;
        max-width: 600px;
        margin: 0 auto 30px;
    }
    
    .about-feature {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .about-section {
        padding: 100px 0 60px;
    }
    
    .about-highlight {
        font-size: 1.1rem;
    }
    
    .about-feature {
        grid-template-columns: 1fr;
    }
}

/* 微信二维码弹窗样式 */
.wechat-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.wechat-container.active {
    opacity: 1;
    visibility: visible;
}

.wechat-popup {
    background-color: #fff;
    border-radius: 10px;
    max-width: 320px;
    width: 100%;
    padding: 30px;
    position: relative;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    text-align: center;
}

.close-wechat {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 22px;
    cursor: pointer;
    color: #999;
}

.close-wechat:hover {
    color: #333;
}

.qrcode-container {
    margin-top: 15px;
}

.qrcode-container img {
    max-width: 200px;
    margin-bottom: 10px;
}

.qrcode-container p {
    font-size: 14px;
    color: #666;
}

/* 联系页面微信按钮 */
.wechat-contact-btn {
    background-color: #07C160;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
}

.wechat-contact-btn:hover {
    background-color: #06AD56;
}

/* 悬浮按钮样式优化 */
.floating-btn {
    cursor: pointer;
}

/* 微信客服按钮样式 */
.wechat-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: #07C160;
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    box-shadow: 0 4px 10px rgba(7, 193, 96, 0.3);
    transition: all 0.3s ease;
}

.wechat-btn:hover {
    background-color: #06AD56;
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(7, 193, 96, 0.4);
}

.wechat-btn i {
    font-size: 20px;
}

/* 媒体查询适配移动设备 */
@media (max-width: 768px) {
    .wechat-btn {
        padding: 8px 16px;
        font-size: 14px;
        width: 100%;
        margin-top: 10px;
    }
    
    .wechat-btn i {
        font-size: 18px;
    }
}

/* 微信内置浏览器适配 */
@media screen and (max-width: 500px) {
    .wechat-btn {
        padding: 10px 15px;
    }
    
    .wechat-btn span {
        font-size: 13px;
    }
}