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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
}

.nav-logo i {
    margin-right: 0.5rem;
    font-size: 1.8rem;
}

.logo-image {
    width: 40px;
    height: 40px;
    margin-right: 0.5rem;
    object-fit: contain;
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(346deg) brightness(104%) contrast(97%);
    transition: filter 0.3s ease;
}

/* 可染色的logo变体 */
.logo-image.blue {
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(346deg) brightness(104%) contrast(97%);
}

.logo-image.red {
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(0deg) brightness(104%) contrast(97%);
}

.logo-image.green {
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(120deg) brightness(104%) contrast(97%);
}

.logo-image.purple {
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(270deg) brightness(104%) contrast(97%);
}

.logo-image.orange {
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(30deg) brightness(104%) contrast(97%);
}

.logo-image:hover {
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(200deg) brightness(104%) contrast(97%);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #2563eb;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2563eb;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

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

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 英雄区域 */
.hero {
    min-height: 100vh;
    position: relative;
    background: #ffffff;
    color: #333;
    padding-top: 80px;
    overflow: hidden;
    border-bottom: 1px solid #e5e7eb;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transform: translateX(100%);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    align-items: center;
    overflow: hidden;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    display: flex;
}

/* 滑动进入动画 */
.hero-slide.slide-enter {
    opacity: 0;
    visibility: visible;
    transform: translateX(100%);
    display: flex;
}

.hero-slide.slide-enter.active {
    opacity: 1;
    transform: translateX(0);
}

/* 滑动退出动画 */
.hero-slide.slide-exit {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    display: flex;
}

.hero-slide.slide-exit.active {
    opacity: 0;
    transform: translateX(-100%);
}

/* 背景图片样式 */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.85);
    z-index: 2;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 3;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease 0.2s;
}

.hero-slide.active .hero-container {
    opacity: 1;
    transform: translateY(0);
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    line-height: 1.3;
    color: #1f2937;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease 0.4s;
}

.hero-slide.active .hero-title {
    opacity: 1;
    transform: translateY(0);
}

.hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: #6b7280;
    line-height: 1.6;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease 0.6s;
}

.hero-slide.active .hero-subtitle {
    opacity: 1;
    transform: translateY(0);
}

.hero-features {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease 0.8s;
}

.hero-slide.active .hero-features {
    opacity: 1;
    transform: translateY(0);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: #f8f9fa;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: #f3f4f6;
    border-color: #d1d5db;
}

.feature-item i {
    font-size: 1rem;
    color: #2563eb;
}

.feature-item span {
    font-weight: 500;
    font-size: 0.9rem;
    color: #374151;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease 1s;
}

.hero-slide.active .hero-buttons {
    opacity: 1;
    transform: translateY(0);
}

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: #2563eb;
    color: white;
}

.btn-primary:hover {
    background: #1d4ed8;
}

.btn-secondary {
    background: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-secondary:hover {
    background: #2563eb;
    color: white;
}

.hero-graphic {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    font-size: 3rem;
    color: #6b7280;
}

/* 轮播指示器 */
.hero-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

.indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #d1d5db;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.indicator::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    transition: left 0.3s ease;
}

.indicator.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

.indicator.active::before {
    left: 0;
}

.indicator:hover {
    transform: scale(1.1);
    background: var(--primary-color);
}

/* 轮播控制按钮 */
.hero-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: #ffffff;
    border: none;
    color: #6b7280;
    width: 40px;
    height: 40px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-control:hover {
    background: #f8f9fa;
    color: #2563eb;
    border-color: #2563eb;
}

.hero-control.prev {
    left: 30px;
}

.hero-control.next {
    right: 30px;
}

.hero-graphic i:nth-child(2) {
    animation-delay: 1s;
}

.hero-graphic i:nth-child(3) {
    animation-delay: 2s;
}

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

/* 通用部分样式 */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1f2937;
}

.section-header p {
    font-size: 1.1rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

/* 关于我们 */
.about {
    padding: 6rem 0;
    background: #f8fafc;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.about-text p {
    margin-bottom: 2rem;
    color: #6b7280;
    line-height: 1.7;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.stat-item h4 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: #6b7280;
    font-weight: 500;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 4rem;
    color: white;
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
}

/* 合作客户 */
.clients {
    padding: 6rem 0;
    background: #f8f9fa;
    position: relative;
    overflow: hidden;
}

.clients .container {
    position: relative;
    z-index: 2;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 3rem;
    justify-items: center;
    width: 100%;
}



.client-logo {
    width: 120px;
    height: 120px;
    background: #ffffff;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
    border: 1px solid #e5e7eb;
    overflow: hidden;
}

.client-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
}

.client-logo:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-color: #2563eb;
}





/* 服务 */
.services {
    padding: 6rem 0;
    background: #ffffff;
    border-top: 1px solid #e5e7eb;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    padding: 2.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-color: #2563eb;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem;
    font-size: 1.4rem;
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.service-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    color: #1f2937;
}

.service-card p {
    color: #6b7280;
    line-height: 1.7;
    font-size: 0.95rem;
}

/* 团队 */
.team {
    padding: 6rem 0;
    background: #f8fafc;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.team-member {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.team-member:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-color: #2563eb;
}

.member-avatar {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.2rem;
    font-size: 1.3rem;
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    transition: all 0.3s ease;
}

.team-member:hover .member-avatar {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.team-member h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.member-title {
    color: #2563eb;
    font-weight: 500;
    margin-bottom: 0.8rem;
    font-size: 0.9rem;
}

.member-desc {
    color: #6b7280;
    font-size: 0.85rem;
    line-height: 1.4;
}

/* 联系我们 */
.contact {
    padding: 6rem 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 10px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    cursor: pointer;
}

.contact-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: #2563eb;
    background: #f1f5f9;
}

.contact-item i {
    font-size: 1.5rem;
    color: #2563eb;
    margin-right: 1rem;
    margin-top: 0.2rem;
    transition: all 0.3s ease;
}

.contact-item:hover i {
    transform: scale(1.1);
    color: #1d4ed8;
}

.contact-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.contact-item p {
    color: #6b7280;
}

.contact-form {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 15px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

/* 页脚 */
.footer {
    background: #1f2937;
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo i {
    margin-right: 0.5rem;
    color: #2563eb;
}

.footer-logo .logo-image {
    width: 35px;
    height: 35px;
    margin-right: 0.5rem;
    object-fit: contain;
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(346deg) brightness(104%) contrast(97%);
    transition: filter 0.3s ease;
}

.footer-section p {
    color: #9ca3af;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.footer-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #2563eb;
}

.footer-section ul li i {
    margin-right: 0.5rem;
    color: #2563eb;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: #374151;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #2563eb;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
}

/* 微信联系样式 */
.wechat-contact-item {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.wechat-contact-item i {
    margin-bottom: 1rem;
    margin-right: 0;
}

.wechat-contact-item .wechat-qr-container {
    margin: 1rem auto;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    display: flex;
    justify-content: center;
    align-items: center;
    width: fit-content;
    max-width: 200px;
    flex-direction: column;
}

.wechat-qr-image {
    margin: 1rem;
    width: 150px;
    height: 150px;
    object-fit: contain;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.wechat-qr-standalone:hover .wechat-qr-image {
    transform: scale(1.05);
}

.wechat-qr-standalone {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    cursor: pointer;
    margin: 1rem;
}

.wechat-qr-standalone:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: #2563eb;
    background: #f8fafc;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
    
    .clients-grid {
        gap: 2.5rem;
    }
    
    .contact-info {
        gap: 1.5rem;
    }
    
    /* 移动端轮播样式 */
.hero-control {
    width: 40px;
    height: 40px;
    font-size: 1rem;
}

.hero-control.prev {
    left: 15px;
}

.hero-control.next {
    right: 15px;
}

/* 移动端隐藏箭头 */
@media (max-width: 768px) {
    .hero-control {
        display: none;
    }
    
    /* 启用触摸滑动 */
    .hero-slider {
        touch-action: pan-y pinch-zoom;
        user-select: none;
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
    }
}

    .hero-features {
        gap: 1rem;
    }

    .feature-item {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }

    .clients-grid {
        gap: 2rem;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* 联系部分动画效果 */
@keyframes contactPulse {
    0%, 100% { 
        transform: scale(1); 
        opacity: 1; 
    }
    50% { 
        transform: scale(1.02); 
        opacity: 0.9; 
    }
}

/* 防止文本选择和光标 */
* {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* 允许特定元素的选择（如输入框） */
input, textarea, [contenteditable="true"] {
    user-select: text;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    cursor: text;
}

/* 保持按钮和链接的指针光标 */
button, a, .btn, .nav-link, .hero-control {
    cursor: pointer;
}

/* 其他元素使用默认光标 */
body, div, p, h1, h2, h3, h4, h5, h6, span, li {
    cursor: default;
}

/* 位置链接样式 */
.location-link {
    color: #6b7280;
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.location-link:hover {
    color: #2563eb;
    border-bottom-color: #2563eb;
    cursor: pointer;
}

.location-icon {
    font-size: 0.7rem;
    color: #9ca3af;
    transition: all 0.3s ease;
    margin-left: 0.25rem;
    vertical-align: middle;
}

.location-link:hover .location-icon {
    color: #2563eb;
    transform: scale(1.05);
}

.contact-item:nth-child(1) {
    animation: contactPulse 4s ease-in-out infinite;
    animation-delay: 0s;
}

.contact-item:nth-child(2) {
    animation: contactPulse 4s ease-in-out infinite;
    animation-delay: 1s;
}

.contact-item:nth-child(3) {
    animation: contactPulse 4s ease-in-out infinite;
    animation-delay: 2s;
}

.wechat-qr-standalone {
    animation: contactPulse 4s ease-in-out infinite;
    animation-delay: 3s;
} 

/* 时间线样式 */
.timeline {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="%23e2e8f0" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    z-index: 0;
}

.timeline .container {
    position: relative;
    z-index: 1;
}

.timeline-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 0 2rem 0;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #2563eb 0%, #3b82f6 50%, #60a5fa 100%);
    transform: translateX(-50%);
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.timeline-item.animate {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: 50.5%;
    padding-right: 2.5rem;
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 50.5%;
    margin-right: 0;
    padding-left: 2.5rem;
    text-align: left;
}

.timeline-date {
    position: absolute;
    left: 50%;
    top: -1.5rem;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    z-index: 10;
    white-space: nowrap;
}

.timeline-date .date {
    position: relative;
    z-index: 1;
}

.timeline-content {
    position: relative;
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    z-index: 3;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: #2563eb;
}

.timeline-marker {
    position: absolute;
    /* left: 50%; */
    top: 2rem;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    border: 4px solid white;
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2);
    z-index: 10;
}

.timeline-item:nth-child(odd) .timeline-marker {
    left: auto;
    right: -15px;
    transform: none;
}

.timeline-item:nth-child(even) .timeline-marker {
    left: -15px;
    transform: none;
}

.timeline-text h3 {
    color: #1f2937;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
}

.timeline-text h3::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #2563eb 0%, #3b82f6 100%);
    border-radius: 2px;
}

.timeline-item:nth-child(odd) .timeline-text h3::after {
    right: 0;
    left: auto;
}

.timeline-text p {
    color: #6b7280;
    line-height: 1.7;
    margin: 0;
    font-size: 0.95rem;
}

/* 最后的合作节点样式 */
.timeline-final {
    margin-bottom: 0;
}

.timeline-final-content {
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    color: white;
    border: none;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.timeline-final-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(37, 99, 235, 0.3);
}

.timeline-final-marker {
    background: white;
    border: 4px solid #2563eb;
    box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.3);
    width: 25px;
    height: 25px;
    top: 3rem;
}

.timeline-final .timeline-text h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.timeline-final .timeline-text h3::after {
    background: white;
    width: 80px;
    height: 4px;
    left: 50%;
    transform: translateX(-50%);
}

.timeline-final .timeline-text p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .timeline-container::before {
        left: 2rem;
    }
    
    .timeline-item .timeline-content {
        margin-left: 4rem !important;
        margin-right: 0 !important;
        padding-left: 2rem !important;
        padding-right: 1rem !important;
        text-align: left !important;
    }
    
    .timeline-date {
        left: 2rem;
        top: -1.5rem;
        transform: translateX(-50%);
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }
    
    .timeline-marker {
        left: 0.8rem !important;
        right: auto !important;
        transform: none !important;
        top: 2rem;
    }
    
    .timeline-text h3::after {
        left: 0 !important;
        right: auto !important;
    }
}

@media (max-width: 480px) {
    .timeline {
        padding: 3rem 0;
    }
    
    .timeline-content {
        padding: 1.5rem;
    }
    
    .timeline-text h3 {
        font-size: 1.1rem;
    }
    
    .timeline-text p {
        font-size: 0.9rem;
    }
    
    .timeline-final-content {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
    }
    
    .timeline-final .timeline-text h3 {
        font-size: 1.3rem;
    }
    
    .timeline-final .timeline-text p {
        font-size: 1rem;
    }
}