/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
}

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

/* 导航栏 */
.navbar {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #2c3e50;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-text {
    background: linear-gradient(135deg, #2c3e50, #4e54c8);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
}

.tech-badge {
    display: inline-block;
    font-size: 0.5em;
    background: linear-gradient(135deg, #4e54c8, #8f94fb);
    color: white;
    padding: 2px 6px;
    border-radius: 10px;
    position: relative;
    top: -12px;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 5px rgba(78,84,200,0.3);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #34495e;
    transition: all 0.3s ease;
    padding: 5px 10px;
    border-radius: 5px;
    position: relative;
    z-index: 1;
}

.nav-links a:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #4e54c8, #8f94fb);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: #4e54c8;
}

.nav-links a:hover:before {
    width: 100%;
}

.nav-links a i {
    transition: transform 0.3s ease;
}

.nav-links a:hover i {
    transform: translateY(-3px);
}

.nav-links a.active {
    color: #4e54c8;
    position: relative;
    font-weight: 600;
}

.nav-links a.active:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #4e54c8, #8f94fb);
}

/* 移动端菜单 */
.menu-toggle {
    display: none;
    font-size: 1.5em;
    cursor: pointer;
    margin-left: auto;
}

/* 语言切换器 */
.language-switcher {
    margin-left: 20px;
}

.language-switcher a {
    text-decoration: none;
    color: #34495e;
    transition: color 0.3s;
    cursor: pointer;
}

.language-switcher a:hover {
    color: #3498db;
}

/* 桌面端语言切换器 */
.desktop-language-switcher {
    margin-left: 20px;
}

.desktop-language-switcher a {
    padding: 5px 10px;
    border-radius: 4px;
    transition: all 0.3s ease;
    text-decoration: none;
    color: #666;
    font-weight: 500;
}

.desktop-language-switcher a:hover {
    background-color: rgba(78, 84, 200, 0.1);
    color: #4e54c8;
}

.desktop-language-switcher a.active {
    background-color: #4e54c8;
    color: white;
    font-weight: 600;
}

.desktop-language-switcher a.active:hover {
    background-color: #3a3f9e;
}

/* 移动端语言切换器 */
.mobile-language-switcher {
    display: none;
    border-top: 1px solid #eee;
    margin-top: 15px;
    padding-top: 15px;
}

.mobile-language-switcher .language-switcher {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-left: 0;
}

.mobile-language-switcher .language-switcher a {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    border-radius: 6px;
    background-color: #f8f9fa;
    color: #666;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.mobile-language-switcher .language-switcher a:hover {
    background-color: rgba(78, 84, 200, 0.1);
    color: #4e54c8;
}

.mobile-language-switcher .language-switcher a.active {
    background-color: #4e54c8;
    color: white;
}

.mobile-language-switcher .language-switcher a i {
    margin-right: 8px;
    font-size: 1.1em;
}

/* 移动端样式 */
@media (max-width: 768px) {
    .desktop-language-switcher {
        display: none;
    }
    
    .mobile-language-switcher {
        display: block;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        flex-direction: column;
        padding: 20px;
        z-index: 1000;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        margin-bottom: 15px;
    }
    
    .nav-links li:last-child {
        margin-bottom: 0;
    }
}

/* 桌面端样式 */
@media (min-width: 769px) {
    .mobile-language-switcher {
        display: none;
    }
    
    .desktop-language-switcher {
        display: block;
    }
}

/* 动画效果 */
@keyframes slideDown {
    from { transform: translateY(-10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}
@keyframes slideUp {
    from { transform: translateY(0); opacity: 1; }
    to { transform: translateY(-10px); opacity: 0; }
}
@keyframes pulse {
    0% { opacity: 0.3; }
    50% { opacity: 0.5; }
    100% { opacity: 0.3; }
}
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}
@keyframes glow {
    0% { box-shadow: 0 0 5px rgba(0,123,255,0.5); }
    50% { box-shadow: 0 0 20px rgba(0,123,255,0.8); }
    100% { box-shadow: 0 0 5px rgba(0,123,255,0.5); }
}
@keyframes rotateData {
    from { transform: rotateY(0deg); }
    to { transform: rotateY(360deg); }
}

/* 首页横幅 - 科技感增强 */
.hero {
    padding-top: 100px;
    background: linear-gradient(135deg, #1a2980, #26d0ce);
    color: white;
    text-align: center;
    padding: 150px 0;
    position: relative;
    overflow: hidden;
    margin-top: 60px;
}

.hero:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255,255,255,0.05) 0%, transparent 50%);
    animation: pulse 4s ease-in-out infinite;
}

.hero:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.digital-badge {
    display: inline-block;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 8px 16px;
    border-radius: 25px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.digital-badge i {
    margin-right: 8px;
    color: #00d4aa;
}

.hero-buttons {
    margin-top: 30px;
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.tech-circles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    animation: float 8s ease-in-out infinite;
}

.circle-1 {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.circle-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.circle-3 {
    width: 80px;
    height: 80px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff, #00d4aa);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1.2;
}

.hero h1::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #00d4aa, #4e54c8);
    margin: 20px auto 0;
    border-radius: 2px;
    animation: glow 2s ease-in-out infinite;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, #4e54c8, #8f94fb);
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(78,84,200,0.3);
}

.btn-primary:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(78,84,200,0.4);
}

.btn-primary:hover:before {
    left: 100%;
}

.btn-secondary {
    display: inline-block;
    background: transparent;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    border: 2px solid rgba(255,255,255,0.3);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-3px);
}

/* 统计展示区域 */
.stats-section {
    background: #f8f9fa;
    padding: 80px 0;
    margin-top: -50px;
    position: relative;
    z-index: 10;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.stat-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #4e54c8, #8f94fb);
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.stat-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4e54c8, #8f94fb);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #4e54c8, #8f94fb);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.stat-label {
    font-size: 1.1rem;
    color: #7f8c8d;
    font-weight: 500;
}

/* 访问统计Badge区域 */
.visitor-badge-section {
    background: #f8f9fa;
    padding: 15px 0;
    border-top: 1px solid #e9ecef;
}

.visitor-stats {
    text-align: center;
    margin: 0;
    padding: 10px 15px;
    background: rgba(108, 117, 125, 0.05);
    border-radius: 8px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(108, 117, 125, 0.1);
}

.visitor-badge-container {
    margin-bottom: 8px;
}

.visitor-local,
.visitor-busuanzi {
    display: inline-block;
    font-size: 13px;
    color: #495057;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.visitor-label {
    margin-right: 4px;
    opacity: 0.8;
    font-weight: 500;
}

.visitor-number {
    font-weight: 700;
    color: #28a745;
    margin-right: 8px;
    font-size: 14px;
}

.visitor-separator {
    margin: 0 8px;
    opacity: 0.5;
    color: #6c757d;
}

.visitor-thanks {
    margin-top: 5px;
}

.thanks-text {
    font-size: 11px;
    color: #6c757d;
    font-style: italic;
    opacity: 0.8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .visitor-badge-section {
        padding: 12px 0;
    }
    
    .visitor-stats {
        margin: 0 10px;
        padding: 8px 12px;
    }
    
    .visitor-local,
    .visitor-busuanzi {
        font-size: 12px;
    }
    
    .visitor-number {
        font-size: 13px;
    }
    
    .thanks-text {
        font-size: 10px;
    }
    
    .visitor-separator {
        margin: 0 6px;
    }
}

/* 服务区域 */
.services {
    padding: 100px 0;
    background: white;
}

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

.section-title h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section-title h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #4e54c8, #8f94fb);
    border-radius: 2px;
}

.section-title p {
    font-size: 1.2rem;
    color: #7f8c8d;
    max-width: 600px;
    margin: 0 auto;
}

.services-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #4e54c8, #8f94fb);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4e54c8, #8f94fb);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 600;
}

.service-card p {
    color: #7f8c8d;
    line-height: 1.6;
    margin-bottom: 20px;
}

.service-card a {
    display: inline-block;
    color: #4e54c8;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.service-card a:hover {
    color: #8f94fb;
}

/* 技术栈展示 */
.tech-stack-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.tech-stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.tech-category {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.tech-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.tech-category h4 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tech-category h4 i {
    color: #4e54c8;
    font-size: 1.5rem;
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-item {
    background: linear-gradient(135deg, #4e54c8, #8f94fb);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.tech-item:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(78,84,200,0.3);
}

/* 服务网格 */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

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

/* 案例研究 */
.case-studies {
    padding: 100px 0;
    background: #f8f9fa;
}

.case-studies-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.case-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.case-img {
    height: 200px;
    overflow: hidden;
}

.case-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.case-content {
    padding: 30px;
}

.case-content h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 15px;
}

.case-content p {
    color: #7f8c8d;
    margin-bottom: 20px;
    line-height: 1.6;
}

.case-content a {
    display: inline-block;
    color: #4e54c8;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.case-content a:hover {
    color: #8f94fb;
}

.case-content a i {
    margin-left: 5px;
    transition: transform 0.3s;
}

.case-content a:hover i {
    transform: translateX(5px);
}

/* CTA区域 */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a2980, #26d0ce);
    color: white;
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* 响应式设计 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col {
    flex: 1;
    padding: 0 15px;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .services-container, .case-studies-container, .tech-logos {
        grid-template-columns: 1fr;
    }
    
    .service-card, .case-card {
        margin-bottom: 30px;
    }
    
    .row {
        flex-direction: column;
    }
    
    .cta h2 {
        font-size: 2rem;
    }
}

/* 关于我们 */
.about {
    padding: 100px 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.advantages {
    list-style: none;
    margin-top: 30px;
}

.advantages li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.advantages i {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #4e54c8, #8f94fb);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

/* 联系区域 */
.contact {
    padding: 100px 0;
    background: #f8f9fa;
    text-align: center;
}

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

input, textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

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

.contact-details {
    text-align: left;
}

.contact-details p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-details i {
    width: 30px;
    color: #4e54c8;
    font-size: 1.2rem;
}

.contact-wechat {
    text-align: center;
}

.contact-wechat p {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.contact-wechat i {
    color: #4e54c8;
    font-size: 1.5rem;
}

.contact-wechat img {
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #4e54c8, #8f94fb);
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(78,84,200,0.4);
}

.back-to-home {
    display: inline-block;
    color: #4e54c8;
    text-decoration: none;
    font-weight: 600;
    margin-bottom: 30px;
    transition: color 0.3s;
}

.back-to-home:hover {
    color: #8f94fb;
}

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

/* 解决方案页面样式 */
.solution-section {
    padding: 100px 0;
    background: white;
}

.solution-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.overview-card {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.overview-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.overview-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4e54c8, #8f94fb);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
}

.overview-card h3 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 15px;
}

.overview-card p {
    color: #7f8c8d;
    line-height: 1.6;
}

.solution-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    margin-bottom: 40px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.solution-header {
    background: linear-gradient(135deg, #4e54c8, #8f94fb);
    color: white;
    padding: 30px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.solution-icon {
    font-size: 2.5rem;
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-header h3 {
    font-size: 1.5rem;
    margin: 0;
}

.solution-content {
    padding: 30px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.solution-description ul {
    list-style: none;
    padding: 0;
}

.solution-description li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    line-height: 1.6;
}

.solution-description li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4e54c8;
    font-weight: bold;
    font-size: 1.2rem;
}

.solution-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 管道图 */
.pipeline-diagram {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.pipeline-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
    min-width: 100px;
}

.pipeline-step i {
    font-size: 1.5rem;
    color: #4e54c8;
}

.pipeline-arrow {
    font-size: 1.5rem;
    color: #4e54c8;
    font-weight: bold;
}

/* AI能力展示 */
.ai-capabilities {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.ai-capability {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    text-align: center;
}

.ai-capability i {
    font-size: 2rem;
    color: #4e54c8;
}

/* DevOps流程 */
.devops-flow {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.devops-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
    min-width: 100px;
}

.devops-step i {
    font-size: 1.5rem;
    color: #4e54c8;
}

.devops-arrow {
    font-size: 1.5rem;
    color: #4e54c8;
    font-weight: bold;
}

/* 架构图 */
.architecture-diagram {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.arch-layer {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
}

.arch-layer i {
    font-size: 1.5rem;
    color: #4e54c8;
    width: 30px;
}

/* 案例研究页面样式 */
.case-study-section {
    padding: 100px 0;
    background: white;
}

.case-study-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(78,84,200,0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(78,84,200,0.05) 0%, transparent 50%);
    pointer-events: none;
}

.case-study-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    margin-bottom: 40px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.case-study-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.case-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #4e54c8, #8f94fb);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    z-index: 10;
}

.case-study-card h3 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin: 30px 30px 20px;
    padding-top: 20px;
    position: relative;
}

.case-study-card h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #4e54c8, #8f94fb);
    border-radius: 2px;
}

.case-phase {
    padding: 0 30px 20px;
}

.case-phase h4 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 600;
}

.case-phase ul {
    list-style: none;
    padding: 0;
}

.case-phase li {
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
    line-height: 1.6;
}

.case-phase li:before {
    content: '→';
    position: absolute;
    left: 0;
    color: #4e54c8;
    font-weight: bold;
}

.metrics {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 30px;
    margin: 0 30px 30px;
    border-radius: 10px;
}

.metrics h4 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 20px;
    text-align: center;
    position: relative;
}

.metrics h4::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #4e54c8, #8f94fb);
    border-radius: 2px;
}

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

.metric-item {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.metric-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.metric-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #4e54c8;
    margin-bottom: 10px;
}

.metric-label {
    font-size: 0.9rem;
    color: #7f8c8d;
    font-weight: 500;
}

/* 团队页面样式 */
.team-section {
    padding: 100px 0;
    background: white;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.team-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: all 0.3s ease;
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.team-photo {
    height: 250px;
    overflow: hidden;
    position: relative;
}

.team-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.team-card:hover .team-photo img {
    transform: scale(1.1);
}

.placeholder-photo {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #4e54c8, #8f94fb);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4rem;
}

.team-info {
    padding: 30px;
}

.team-info h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 10px;
}

.team-title {
    color: #4e54c8;
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.team-description {
    color: #7f8c8d;
    line-height: 1.6;
    margin-bottom: 20px;
}

.team-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    background: linear-gradient(135deg, #4e54c8, #8f94fb);
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.team-culture {
    margin-top: 80px;
}

.team-culture h3 {
    text-align: center;
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 40px;
}

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

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

.culture-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.culture-item i {
    font-size: 3rem;
    color: #4e54c8;
    margin-bottom: 20px;
}

.culture-item h4 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 15px;
}

.culture-item p {
    color: #7f8c8d;
    line-height: 1.6;
}

.join-team {
    text-align: center;
    margin-top: 80px;
    padding: 50px;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 15px;
}

.join-team h3 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 20px;
}

.join-team p {
    color: #7f8c8d;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        flex-direction: column;
        padding: 20px;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        margin-bottom: 15px;
    }
    
    .nav-links li:last-child {
        margin-bottom: 0;
    }
    
    .language-switcher {
        margin-left: 0;
        margin-top: 15px;
    }
    
    .language-switcher.active {
        display: block;
    }
    
    .culture-grid, 
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .solution-content {
        grid-template-columns: 1fr;
    }
    
    .pipeline-diagram,
    .ai-capabilities,
    .devops-flow {
        flex-direction: column;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 桌面端样式 */
@media (min-width: 769px) {
    .mobile-language-switcher {
        display: none;
    }
    
    .desktop-language-switcher {
        display: block;
    }
}

/* 职业页面样式 */
.culture-section {
    padding: 40px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.culture-card {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.culture-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.culture-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #4e54c8, #8f94fb);
}

.culture-card i {
    font-size: 2em;
    color: #4e54c8;
    margin-bottom: 1rem;
}

.benefits-section {
    padding: 60px 0;
    background: white;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 30px;
}

.benefit-card {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
}

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

.benefit-card i {
    font-size: 2.5em;
    color: #4e54c8;
    margin-bottom: 1rem;
}

/* 职位页面样式 */
.positions-section {
    padding: 60px 0;
    background: #f8f9fa;
}

.positions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.position-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.position-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #4e54c8, #8f94fb);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.position-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

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

.position-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.position-header h3 {
    font-size: 1.4rem;
    color: #2c3e50;
    margin: 0;
    font-weight: 600;
}

.position-type {
    background: linear-gradient(135deg, #4e54c8, #8f94fb);
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.position-description {
    color: #7f8c8d;
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 1rem;
}

.position-requirements h4 {
    font-size: 1.1rem;
    color: #2c3e50;
    margin-bottom: 10px;
    font-weight: 600;
}

.position-requirements ul {
    list-style: none;
    padding: 0;
}

.position-requirements li {
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
    color: #7f8c8d;
    font-size: 0.95rem;
}

.position-requirements li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: #4e54c8;
    font-weight: bold;
}

.apply-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #1a2980, #26d0ce);
    color: white;
    text-align: center;
}

.apply-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.apply-section .position-description {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.view-positions-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: rgba(255,255,255,0.1);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    font-weight: 600;
    border: 2px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(10px);
}

.view-positions-btn:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.view-positions-btn i {
    font-size: 0.9em;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .culture-grid, 
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .positions-grid {
        grid-template-columns: 1fr;
    }
    
    .position-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .apply-section h2 {
        font-size: 2rem;
    }
}