/* 全局样式 */
* {
    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;
    background-color: #f8f9fa;
}

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

/* 导航栏样式 */
.header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e0e0e0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

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

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 0.8rem;
}

.logo-img {
    max-height: 50px;
    width: auto;
    display: block;
    transition: transform 0.3s ease;
    /* 矢量效果优化 */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

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

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2c3e50;
    transition: color 0.3s ease;
}

.logo-link:hover .logo-text {
    color: #11998e;
}

/* 页脚logo样式 */
.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-logo-img {
    max-height: 60px;
    margin-bottom: 0;
}

/* 页脚不显示文字logo */
.footer-logo .logo-text {
    display: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .logo-img {
        max-height: 40px;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
    
    .footer-logo-img {
        max-height: 50px;
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-link {
    text-decoration: none;
    color: #34495e;
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 0.95rem;
    position: relative;
}

.nav-link:hover {
    color: #11998e;
}

.nav-link.active {
    color: #11998e;
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #11998e;
    border-radius: 2px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        width: 0;
        left: 50%;
    }
    to {
        width: 100%;
        left: 0;
    }
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-icon {
    display: block;
    width: 25px;
    height: 2px;
    background-color: #34495e;
    position: relative;
    transition: all 0.3s ease;
}

.menu-icon::before,
.menu-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: #34495e;
    transition: all 0.3s ease;
}

.menu-icon::before {
    top: -8px;
}

.menu-icon::after {
    bottom: -8px;
}

/* 英雄区样式 */
.hero {
    margin-top: 70px;
    min-height: calc(100vh - 70px);
    padding: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></svg>');
    animation: moveBg 20s linear infinite;
}

@keyframes moveBg {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(100px, 100px);
    }
}

.hero-motto {
    margin: 2rem 0;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    backdrop-filter: blur(10px);
    animation: fadeInUp 1s ease 0.3s both;
}

.hero-motto p {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
}

.motto-en {
    font-size: 1rem;
    opacity: 0.8;
    margin-top: 0.5rem !important;
    font-style: italic;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-animation {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
    opacity: 0.8;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.7;
    }
    50% {
        transform: scale(1.1);
        opacity: 1;
    }
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.qr-code {
    text-align: center;
    margin-bottom: 1.5rem;
}

.qr-code img {
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.qr-code img:hover {
    transform: scale(1.05);
}

.qr-desc {
    margin-top: 0.5rem;
    color: #7f8c8d;
    font-size: 0.95rem;
    font-weight: 500;
}

.social-icons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: white;
    color: #11998e;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(17, 153, 142, 0.2);
    animation: pulse 1.5s ease-in-out infinite;
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background-color: white;
    color: #11998e;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(17, 153, 142, 0.2);
    animation: pulse 1.5s ease-in-out infinite;
}

.hero-image {
    margin-top: 3rem;
}

.ai-animation {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    margin: 0 auto;
    position: relative;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shine {
    100% {
        left: 100%;
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(-3px);
    }
    50% {
        transform: translateY(-6px);
    }
}

/* 通用区块样式 */
section {
    padding: 4rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.section-header p {
    color: #7f8c8d;
    font-size: 1.1rem;
}

/* 关于我们样式 */
.about {
    background-color: white;
    padding: 4rem 0;
}

/* 愿景使命价值观 */
.about-vision {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.vision-item {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.vision-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.vision-item h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 1rem;
    text-align: center;
}

.vision-item p {
    color: #7f8c8d;
    line-height: 1.7;
    text-align: center;
    font-size: 1.05rem;
}

/* 核心优势 */
.about-advantages {
    margin-bottom: 3rem;
}

.about-advantages h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 2rem;
    text-align: center;
}

.advantages-list {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
}

.advantage-item {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
    position: relative;
}

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

.advantage-item::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #11998e;
    font-weight: bold;
    font-size: 1.5rem;
    line-height: 1.2;
}

.advantage-item p {
    color: #7f8c8d;
    line-height: 1.7;
    font-size: 1.05rem;
}

/* 业务范围 */
.about-business {
    margin-bottom: 3rem;
}

.about-business h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 2rem;
    text-align: center;
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.business-item {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    transition: transform 0.3s ease;
    border: 1px solid #e0e0e0;
}

.business-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    border-color: #11998e;
}

.business-item h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 1rem;
    text-align: center;
}

.business-item p {
    color: #7f8c8d;
    line-height: 1.7;
    font-size: 1rem;
    text-align: center;
}

/* 发展历程 */
.about-history {
    margin-bottom: 2rem;
}

.about-history h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 2rem;
    text-align: center;
}

.history-timeline {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    position: relative;
}

.history-timeline::before {
    content: '';
    position: absolute;
    left: 2rem;
    top: 2rem;
    bottom: 2rem;
    width: 2px;
    background-color: #11998e;
    z-index: 0;
}

.history-item {
    position: relative;
    margin-bottom: 2rem;
    padding-left: 4rem;
    z-index: 1;
}

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

.history-item::before {
    content: '';
    position: absolute;
    left: 1.7rem;
    top: 0.5rem;
    width: 10px;
    height: 10px;
    background-color: #11998e;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 2px #11998e;
}

.history-year {
    display: inline-block;
    background-color: #11998e;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-weight: 600;
    font-size: 0.95rem;
    margin-right: 1rem;
}

.history-event {
    color: #7f8c8d;
    font-size: 1.05rem;
    line-height: 1.7;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .about-vision {
        grid-template-columns: 1fr;
    }
    
    .business-grid {
        grid-template-columns: 1fr;
    }
    
    .history-timeline::before {
        left: 1.5rem;
    }
    
    .history-item::before {
        left: 1.2rem;
    }
    
    .history-item {
        padding-left: 3rem;
    }
}

/* 产品服务样式 */
.services {
    background-color: #f8f9fa;
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(17, 153, 142, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(17, 153, 142, 0.05) 0%, transparent 50%);
    z-index: 0;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    animation: fadeInUp 1s ease-out;
}

.service-card {
    background: linear-gradient(135deg, white 0%, #f8f9fa 100%);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #11998e 0%, #38ef7d 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: #11998e;
}

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

/* 服务图标改进 */
.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(17, 153, 142, 0.3);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 35px rgba(17, 153, 142, 0.4);
}

/* 使用Font Awesome风格的图标 */
.service-icon::before {
    font-family: 'Arial', sans-serif;
    font-size: 2rem;
    font-weight: bold;
    color: white;
    content: '';
    width: 40px;
    height: 40px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

/* 为每个服务设置不同的图标 */
.service-icon.ai-assistant::before {
    content: '🤖';
}

.service-icon.data-analysis::before {
    content: '📊';
}

.service-icon.content-generation::before {
    content: '✍️';
}

.service-icon.industrial-ai::before {
    content: '🏭';
}

.service-icon.education-ai::before {
    content: '🎓';
}

.service-icon.healthcare-ai::before {
    content: '🏥';
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1.2rem;
    text-align: center;
    transition: color 0.3s ease;
}

.service-card:hover h3 {
    color: #11998e;
}

.service-card p {
    color: #7f8c8d;
    line-height: 1.7;
    text-align: center;
    transition: color 0.3s ease;
}

.service-card:hover p {
    color: #555;
}

/* 入场动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 卡片延迟入场 */
.services-grid .service-card:nth-child(1) {
    animation-delay: 0.1s;
}

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

.services-grid .service-card:nth-child(3) {
    animation-delay: 0.3s;
}

.services-grid .service-card:nth-child(4) {
    animation-delay: 0.4s;
}

.services-grid .service-card:nth-child(5) {
    animation-delay: 0.5s;
}

.services-grid .service-card:nth-child(6) {
    animation-delay: 0.6s;
}

.services-grid .service-card {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}

/* 关于我们页面视觉增强 */
.about-vision .vision-item {
    position: relative;
    padding: 2.5rem;
    background: linear-gradient(135deg, white 0%, #f8f9fa 100%);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    overflow: hidden;
}

.about-vision .vision-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(17, 153, 142, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.about-vision .vision-item h3 {
    position: relative;
    z-index: 1;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: #11998e;
}

.about-vision .vision-item p {
    position: relative;
    z-index: 1;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

.about-vision .vision-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

/* 核心优势增强 */
.about-advantages h3 {
    color: #11998e;
    font-size: 2.2rem;
}

.advantages-list {
    background: linear-gradient(135deg, white 0%, #f8f9fa 100%);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.advantage-item {
    padding: 1.5rem 2rem;
    border-left: 4px solid #11998e;
    margin-bottom: 1.5rem;
    background: white;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateX(10px);
    box-shadow: 0 4px 15px rgba(17, 153, 142, 0.15);
}

/* 业务范围增强 */
.about-business h3 {
    color: #11998e;
    font-size: 2.2rem;
}

.business-grid {
    gap: 2.5rem;
}

.business-item {
    background: linear-gradient(135deg, white 0%, #f8f9fa 100%);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.business-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
    border-color: #11998e;
}

.business-item h4 {
    color: #11998e;
    font-size: 1.4rem;
    margin-bottom: 1.2rem;
}

/* 发展历程增强 */
.about-history h3 {
    color: #11998e;
    font-size: 2.2rem;
}

.history-timeline {
    background: linear-gradient(135deg, white 0%, #f8f9fa 100%);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 3rem 2rem;
}

.history-timeline::before {
    background: linear-gradient(180deg, #11998e 0%, #38ef7d 100%);
    width: 4px;
    left: 3rem;
}

.history-item {
    padding-left: 6rem;
    margin-bottom: 2.5rem;
    position: relative;
    transition: all 0.3s ease;
}

.history-item::before {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    width: 16px;
    height: 16px;
    left: 2.9rem;
    border: 4px solid white;
    box-shadow: 0 0 0 3px rgba(17, 153, 142, 0.2);
}

.history-year {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    color: white;
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 1rem;
}

.history-event {
    color: #555;
    font-size: 1.1rem;
    margin-top: 0.5rem;
    display: block;
}

.history-item:hover {
    transform: translateX(10px);
}

.history-item:hover::before {
    box-shadow: 0 0 0 5px rgba(17, 153, 142, 0.3);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .services-grid {
        gap: 1.5rem;
    }
    
    .service-card {
        padding: 2rem 1.5rem;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
    }
    
    .history-timeline::before {
        left: 2rem;
    }
    
    .history-item::before {
        left: 1.9rem;
    }
    
    .history-item {
        padding-left: 5rem;
    }
}

/* 技术优势样式 */
.technology {
    background-color: white;
    padding: 4rem 0;
}

.tech-stack {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

/* 技术分类 */
.tech-category {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.tech-category-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 2rem;
    text-align: center;
}

/* 技术项目列表 */
.tech-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.tech-item {
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e0e0e0;
}

.tech-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    border-color: #11998e;
}

.tech-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 1rem;
    text-align: center;
}

.tech-item p {
    color: #7f8c8d;
    line-height: 1.7;
    font-size: 0.95rem;
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .tech-items {
        grid-template-columns: 1fr;
    }
    
    .tech-category {
        padding: 1.5rem;
    }
    
    .tech-category-title {
        font-size: 1.5rem;
    }
}

/* 成功案例样式 */
.cases {
    background-color: #f8f9fa;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.case-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.case-image {
    height: 200px;
    background-color: #e0e0e0;
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    position: relative;
    overflow: hidden;
}

.case-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: shine 3s infinite;
}

.case-content {
    padding: 2rem;
}

.case-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.case-content p {
    color: #7f8c8d;
    line-height: 1.7;
}

/* 联系我们样式 */
.contact {
    background-color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 2rem;
}

.contact-item {
    margin-bottom: 1.5rem;
}

.contact-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #34495e;
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: #7f8c8d;
    margin: 0;
}

.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 2rem;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* 团队样式 */
.team {
    background-color: white;
    padding: 4rem 0;
}

.team-category {
    margin-bottom: 3rem;
}

.category-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    text-align: center;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #e0e0e0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    justify-items: center;
}

.team-member {
    text-align: center;
    width: 100%;
    max-width: 250px;
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
}

.member-photo {
    width: 150px;
    height: 150px;
    background-color: #f0f0f0;
    border-radius: 8px;
    margin: 0 auto 1rem;
    transition: all 0.3s ease;
}

.team-member:hover .member-photo {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.member-info h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.3rem;
}

.member-title {
    color: #7f8c8d;
    font-size: 0.95rem;
    margin: 0;
    font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .member-photo {
        width: 120px;
        height: 120px;
    }
}

@media (max-width: 480px) {
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .category-title {
        font-size: 1.3rem;
    }
}

/* 加入我们页面样式 */
.joinus-hero {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    color: white;
    min-height: 40vh;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.joinus-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></svg>');
    animation: moveBg 20s linear infinite;
    z-index: 0;
}

.joinus-hero .section-header {
    z-index: 1;
    position: relative;
    text-align: center;
}

.joinus-hero h2 {
    color: white;
    font-size: 3rem;
    font-weight: 700;
    margin: 0;
    animation: fadeInUp 1s ease;
}

.job-categories {
    background-color: #f8f9fa;
    padding: 3rem 0 2rem;
    border-bottom: 1px solid #e0e0e0;
    margin-top: 70px;
}

.categories-nav {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.category-btn {
    padding: 0.8rem 1.5rem;
    border: 1px solid #e0e0e0;
    background-color: white;
    color: #34495e;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.category-btn:hover {
    background-color: #11998e;
    color: white;
    border-color: #11998e;
}

.category-btn.active {
    background-color: #11998e;
    color: white;
    border-color: #11998e;
}

.jobs-list {
    padding: 4rem 0;
    background-color: white;
}

.job-item {
    margin-bottom: 2rem;
    padding: 2rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid #e0e0e0;
}

.job-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    border-color: #11998e;
}

.job-header {
    margin-bottom: 1.5rem;
}

.job-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.job-meta {
    display: flex;
    gap: 2rem;
    color: #7f8c8d;
    font-size: 0.95rem;
}

.job-group {
    background-color: #e8f4f3;
    color: #11998e;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-weight: 500;
}

.job-benefits {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: white;
    border-radius: 6px;
    border-left: 4px solid #11998e;
}

.job-benefits h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.job-benefits p {
    color: #7f8c8d;
    margin: 0;
}

.job-details {
    background-color: white;
    border-radius: 6px;
    overflow: hidden;
}

.job-section {
    padding: 1.5rem;
    border-bottom: 1px solid #f0f0f0;
}

.job-section:last-child {
    border-bottom: none;
}

.job-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.job-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.job-section li {
    color: #7f8c8d;
    margin-bottom: 0.8rem;
    position: relative;
    padding-left: 20px;
    line-height: 1.6;
}

.job-section li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #11998e;
    font-weight: bold;
    font-size: 1.2rem;
    line-height: 1.3;
}

.application-method {
    padding: 4rem 0;
    background-color: #f8f9fa;
    text-align: center;
}

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

.method-content h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

.method-content p {
    color: #7f8c8d;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-info {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-info p {
    margin: 0.8rem 0;
    font-size: 1.1rem;
    color: #34495e;
}

.contact-info strong {
    color: #11998e;
}

.note {
    font-style: italic;
    font-size: 0.95rem;
    color: #95a5a6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .job-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .job-item {
        padding: 1.5rem;
    }
    
    .categories-nav {
        gap: 0.5rem;
    }
    
    .category-btn {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
}

/* 页脚样式 */
.footer {
    background-color: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo p {
    color: #bdc3c7;
    margin: 0;
}

.footer-links h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: white;
}

.footer-social h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

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

.social-icon {
    width: 40px;
    height: 40px;
    background-color: #34495e;
    border-radius: 50%;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
}

.social-icon:hover {
    background-color: #11998e;
    transform: translateY(-3px);
    animation: bounce 0.5s ease;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: white;
        flex-direction: column;
        gap: 0;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        border-bottom: 1px solid #f0f0f0;
    }

    .nav-link {
        display: block;
        padding: 1rem 2rem;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero {
        padding: 4rem 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .values,
    .about-stats {
        grid-template-columns: 1fr;
    }

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

    .section-header h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.6rem;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .service-card,
    .tech-item,
    .case-card {
        padding: 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}