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

:root {
    --primary-color: #1e40af;
    --secondary-color: #2563eb;
    --accent-color: #3b82f6;
    --text-dark: #1f2937;
    --text-light: #4b5563;
    --light-bg: #eff6ff;
    --white: #ffffff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

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

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

/* 头部导航 */
.header {
    background: var(--white);
    color: var(--text-dark);
    padding: 15px 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--primary-color);
}

.logo a {
    display: block;
    margin-bottom: 5px;
}

.logo-img {
    max-height: 50px;
    height: auto;
    width: auto;
}

.logo p {
    font-size: 14px;
    color: var(--text-light);
    opacity: 1;
}

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

.navbar ul li {
    margin-left: 30px;
}

.navbar ul li a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.navbar ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.navbar ul li a:hover::after,
.navbar ul li a.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 2px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.hamburger span:nth-child(1) {
    width: 20px;
}

.hamburger span:nth-child(3) {
    width: 20px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
    width: 25px;
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
    width: 25px;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: var(--white);
    padding: 100px 0;
    text-align: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero h2 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
}

.hero p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 168, 255, 0.3);
}

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

.btn-secondary:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

/* 章节标题 */
.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: var(--text-dark);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--accent-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

/* 服务区域 */
.services-section {
    padding: 80px 0;
    background: var(--light-bg);
}

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

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    border: 1px solid #e0e0e0;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 30px rgba(0, 82, 204, 0.15);
    border-color: var(--accent-color);
}

.service-card .icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.service-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 专业性区域 */
.expertise-section {
    padding: 80px 0;
    background: var(--white);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.expert-item {
    padding: 30px;
    background: var(--light-bg);
    border-radius: 12px;
    border-left: 4px solid var(--accent-color);
}

.expert-item h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.expert-item ul {
    list-style: none;
}

.expert-item ul li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-light);
}

.expert-item ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* 成功案例区域 */
.cases-section {
    padding: 80px 0;
    background: var(--light-bg);
}

.cases-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
}

.case-item {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.case-item h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.case-item ul {
    list-style: none;
}

.case-item ul li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    color: var(--text-light);
}

.case-item ul li:last-child {
    border-bottom: none;
}

.partners-grid h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.partners-grid h3::after {
    content: '';
    display: none;
}

.partner-logos {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.partner-logo {
    background: var(--white);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

.partner-logo:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 168, 255, 0.2);
}

/* 优势区域 */
.advantages-section {
    padding: 80px 0;
    background: var(--white);
}

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

.advantage-item {
    text-align: center;
    padding: 40px 30px;
    background: var(--light-bg);
    border-radius: 12px;
    transition: var(--transition);
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 82, 204, 0.1);
}

.advantage-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.advantage-item p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 页脚 */
.footer {
    background: #1a1a2e;
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 0.6fr 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.footer-section p {
    margin-bottom: 10px;
    opacity: 0.8;
}

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

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

.footer-section ul li a {
    color: #aaa;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--accent-color);
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.6;
    font-size: 14px;
}

.wechat-qrcode {
    text-align: left;
    margin-bottom: 20px;
}

.wechat-qrcode img {
    max-width: 120px;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.wechat-qrcode p {
    margin-top: 10px;
    font-size: 14px;
    color: #aaa;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero h2 {
        font-size: 32px;
    }

    .hero p {
        font-size: 16px;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .navbar ul {
        flex-direction: column;
        gap: 15px;
    }

    .hamburger {
        display: flex;
    }

    .navbar {
        position: relative;
    }

    .navbar ul {
        position: absolute;
        top: 100%;
        right: 0;
        left: auto;
        min-width: 280px;
        background: var(--white);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        display: none;
        padding: 0;
        list-style: none;
        margin: 0;
        z-index: 1001;
    }

    .navbar ul.active {
        display: block;
    }

    .navbar ul li {
        width: auto;
        margin: 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

    .navbar ul li:last-child {
        border-bottom: none;
    }

    .navbar ul li a {
        display: block;
        padding: 15px 20px;
        white-space: nowrap;
        box-sizing: border-box;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .logo-img {
        max-height: 40px;
    }
}

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

.service-card,
.expert-item,
.case-item,
.advantage-item,
.partner-logo {
    animation: fadeIn 0.6s ease-out;
}

/* 解决方案页面样式 */
.solutions-section {
    padding: 80px 0;
    background: var(--white);
}

.solution-card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 30px;
    border: 1px solid #e0e0e0;
    transition: var(--transition);
}

.solution-card:hover {
    box-shadow: 0 12px 30px rgba(0, 82, 204, 0.15);
    border-color: var(--accent-color);
}

.solution-icon {
    font-size: 64px;
    text-align: center;
    line-height: 100px;
}

.solution-content h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.solution-content p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.solution-features,
.solution-benefits {
    margin-top: 20px;
    padding: 20px;
    background: var(--light-bg);
    border-radius: 8px;
}

.solution-features h4,
.solution-benefits h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.solution-features ul,
.solution-benefits ul {
    list-style: none;
    margin: 0;
}

.solution-features ul li,
.solution-benefits ul li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-light);
}

.solution-features ul li::before,
.solution-benefits ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* 产品页面样式 */
.products-section {
    padding: 80px 0;
    background: var(--light-bg);
}

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

.product-category {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.product-category h3 {
    font-size: 22px;
    margin-bottom: 25px;
    color: var(--primary-color);
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--accent-color);
}

.product-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.product-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 15px;
    background: var(--light-bg);
    border-radius: 8px;
    transition: var(--transition);
    text-align: center;
}

.product-item:hover {
    background: #e8f0ff;
    transform: translateX(5px);
}

.product-icon {
    font-size: 32px;
}

.product-item h4 {
    font-size: 18px;
    color: var(--primary-color);
    margin: 0;
    white-space: nowrap;
}

.product-item p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
    white-space: normal;
    overflow: visible;
    width: 100%;
}

.products-features {
    margin-top: 60px;
    padding: 40px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.products-features h3 {
    margin-bottom: 30px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.feature-item {
    text-align: center;
    padding: 20px;
}

.feature-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.feature-item p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

.products-cases {
    margin-top: 60px;
    padding: 40px;
    background: var(--light-bg);
    border-radius: 12px;
}

.products-cases h3 {
    margin-bottom: 30px;
}

.cases-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.case-item {
    padding: 20px;
    background: var(--white);
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
}

.products-cases .case-item {
    background: var(--white);
}

.case-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.case-item p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

/* 团队页面样式 */
.team-section {
    padding: 80px 0;
    background: var(--white);
}

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

.team-card {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    border: 1px solid #e0e0e0;
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 30px rgba(0, 82, 204, 0.15);
    border-color: var(--accent-color);
}

.team-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.team-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.team-role {
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 15px;
    display: block;
}

.team-qualifications {
    list-style: none;
    margin: 15px 0;
    text-align: left;
}

.team-qualifications li {
    padding: 5px 0;
    padding-left: 20px;
    font-size: 14px;
    color: var(--text-light);
    position: relative;
}

.team-qualifications li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.team-expertise {
    font-size: 14px;
    color: var(--text-light);
    padding: 15px;
    background: var(--light-bg);
    border-radius: 8px;
    margin-top: 15px;
}

.team-values {
    padding: 80px 0;
    background: var(--light-bg);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    padding: 40px 20px;
    border-radius: 12px;
}

.values-grid-1 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    padding: 40px 20px;
    border-radius: 12px;
}

.value-item {
    text-align: center;
    padding: 30px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.values-grid-1 .value-item {
    background: var(--light-bg);
}

.certifications-section {
    padding: 80px 0;
    background: var(--white);
}

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

.certification-item {
    text-align: center;
    padding: 40px 30px;
    background: var(--light-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.certification-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.certification-item .certification-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.certification-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.certification-item p {
    color: var(--text-light);
    line-height: 1.6;
}

.certifications-details {
    padding: 80px 0;
    background: var(--light-bg);
}

.certifications-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.certification-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    padding: 30px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.certification-detail-icon {
    font-size: 48px;
    flex-shrink: 0;
}

.certification-detail-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.certification-detail-content p {
    color: var(--text-light);
    line-height: 1.8;
}

.value-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.value-item p {
    color: var(--text-light);
    line-height: 1.8;
}

.team-achievements {
    padding: 80px 0;
    background: var(--white);
}

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

.achievement-item {
    padding: 40px 30px;
    background: var(--light-bg);
    border-radius: 12px;
}

.achievement-item h3 {
    font-size: 16px;
    margin-bottom: 20px;
    color: var(--text-light);
}

.achievement-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.achievement-item p {
    color: var(--text-light);
    margin: 0;
}

/* 案例页面样式 */
.cases-overview {
    padding: 60px 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: var(--white);
}

.cases-statistics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    text-align: center;
}

.stat-item {
    padding: 30px 20px;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
}

.cases-section {
    padding: 80px 0;
    background: var(--light-bg);
}

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

.case-category {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.case-category h3 {
    font-size: 22px;
    margin-bottom: 25px;
    color: var(--primary-color);
    padding-bottom: 15px;
    border-bottom: 2px solid var(--accent-color);
}

.case-item {
    padding: 20px;
    background: var(--light-bg);
    border-radius: 8px;
    margin-bottom: 20px;
}

.case-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.case-item p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 15px;
}

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

.case-features span {
    padding: 5px 15px;
    background: var(--accent-color);
    color: var(--white);
    border-radius: 20px;
    font-size: 12px;
}

.news-section {
    padding: 80px 0;
    background: var(--white);
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-item {
    padding: 25px;
    background: var(--light-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--accent-color);
    transition: var(--transition);
}

.bg-white {
    background: var(--white);
}

.news-item:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 20px rgba(0, 82, 204, 0.1);
}

.news-date {
    display: inline-block;
    padding: 5px 15px;
    background: var(--accent-color);
    color: var(--white);
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 10px;
}

.news-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.news-item p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

/* 关于页面样式 */
.about-section {
    padding: 80px 0;
    background: var(--white);
}

.about-content {
    margin-bottom: 60px;
}

.about-text {
    line-height: 2;
    color: var(--text-light);
}

.about-text p {
    margin-bottom: 20px;
    font-size: 16px;
}

.mission-grid,
.vision-content {
    margin-top: 30px;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.mission-item {
    text-align: center;
    padding: 25px;
    background: var(--light-bg);
    border-radius: 12px;
}

.mission-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.mission-item p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

.about-vision {
    margin-top: 40px;
}

.vision-content {
    padding: 40px;
    background: var(--light-bg);
    border-radius: 12px;
    text-align: center;
}

.vision-content p {
    font-size: 18px;
    line-height: 2;
}

.company-history {
    padding: 80px 0;
    background: var(--light-bg);
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: var(--accent-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    display: flex;
    align-items: center;
}

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

.timeline-year {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    background: var(--accent-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    z-index: 2;
}

.timeline-content {
    flex: 1;
    max-width: 350px;
    padding: 20px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.timeline-content h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.timeline-content p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: 30px;
}

.timeline-item:not(:nth-child(odd)) .timeline-content {
    margin-left: 30px;
}

.company-values {
    padding: 80px 0;
    background: var(--white);
}

/* 联系页面样式 */
.contact-section {
    padding: 80px 0;
    background: var(--white);
}

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

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

.contact-icon {
    font-size: 32px;
    color: var(--accent-color);
    flex-shrink: 0;
}

.contact-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.contact-content p {
    font-size: 14px;
    color: var(--text-light);
    margin: 5px 0;
}

.contact-form {
    background: var(--light-bg);
    padding: 40px;
    border-radius: 12px;
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 168, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.map-section {
    padding: 60px 0;
    background: var(--light-bg);
}

.map-container {
    max-width: 1000px;
    margin: 0 auto;
    height: 400px;
    background: var(--light-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-placeholder {
    text-align: center;
}

.map-icon {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.5;
}

.map-placeholder p {
    font-size: 16px;
    color: var(--text-light);
    margin: 10px 0;
}

.contact-benefits {
    padding: 80px 0;
    background: var(--white);
}

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

.benefit-item {
    text-align: center;
    padding: 30px;
    background: var(--light-bg);
    border-radius: 12px;
}

.benefit-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.benefit-item p {
    color: var(--text-light);
    line-height: 1.8;
}

.map-section .pc-map {
    display: block;
}

.map-section .h5-map {
    display: none;
}

/* CTA区域 */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: var(--white);
    text-align: center;
}

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

.cta-content h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
}

.btn-outline:hover {
    background: var(--accent-color);
    color: var(--white);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero h2 {
        font-size: 32px;
    }

    .hero p {
        font-size: 16px;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .navbar ul {
        flex-direction: column;
        gap: 15px;
    }

    .navbar ul li {
        margin-left: 0;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .solution-card {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .solution-icon {
        margin: 0 auto;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item,
    .timeline-item:nth-child(odd) {
        flex-direction: column;
    }

    .timeline-year {
        margin: 0 0 15px 0;
        left: 50%;
        transform: translateX(-50%);
    }

    .timeline-content {
        margin-left: 0;
        max-width: 100%;
    }

    .values-grid,
    .values-grid-1,
    .certifications-grid,
    .features-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .map-section .pc-map {
        display: none;
    }

    .map-section .h5-map {
        display: block;
    }

    .logo-img {
        max-height: 40px;
    }
}