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

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* 导航栏样式 */
nav {
    background: white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #333;
}

.logo a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

.logo a:hover {
    color: #007bff;
}

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

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #007bff;
}

/* 主页横幅样式 */
.hero {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://images.unsplash.com/photo-1497366216548-37526070297c?auto=format&fit=crop&w=1500');
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
    margin-top: 60px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 24px;
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    padding: 15px 30px;
    background: #007bff;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s;
}

.cta-button:hover {
    background: #0056b3;
}

/* 关于我们部分 */
.about {
    padding: 80px 0;
    background: #f8f9fa;
}

.about h2 {
    text-align: center;
    margin-bottom: 40px;
}

.stats {
    display: flex;
    justify-content: space-around;
    margin-top: 40px;
}

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

.stat-item i {
    font-size: 40px;
    color: #007bff;
    margin-bottom: 20px;
}

/* 服务项目样式 */
.services {
    padding: 80px 0;
}

.services h2 {
    text-align: center;
    margin-bottom: 40px;
}

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

.service-item {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.service-item:hover {
    transform: translateY(-10px);
}

.service-item i {
    font-size: 40px;
    color: #007bff;
    margin-bottom: 20px;
}

/* 联系我们样式 */
.contact {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact h2 {
    text-align: center;
    margin-bottom: 40px;
}

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

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

.contact-item i {
    font-size: 24px;
    color: #007bff;
    margin-bottom: 10px;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

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

.contact-form button {
    padding: 15px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s;
}

.contact-form button:hover {
    background: #0056b3;
}

/* 页脚样式 */
footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 20px 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
}

/* 轮播图样式 */
.slider {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.slide-container {
    display: flex;
    width: 300%;
    height: 100%;
    transition: transform 0.5s ease-in-out;
}

.slide {
    position: relative;
    width: 33.333%;
    height: 100%;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    z-index: 1;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    padding: 1rem;
    cursor: pointer;
    font-size: 1.5rem;
}

.prev {
    left: 1rem;
}

.next {
    right: 1rem;
}

.slider-dots {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
}

.dot.active {
    background: white;
}

/* 关于我们页面样式 */
.page-header {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://picsum.photos/1920/300?random=4');
    background-size: cover;
    background-position: center;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-top: 60px;
}

.timeline {
    margin: 50px 0;
    position: relative;
}

.timeline-item {
    margin-bottom: 30px;
    position: relative;
    padding-left: 50px;
}

.year {
    font-weight: bold;
    color: #007bff;
    margin-bottom: 10px;
}

/* 服务项目页面样式 */
.services-detail {
    padding: 80px 0;
}

.service-category {
    margin-bottom: 60px;
}

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

.service-item-detail {
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.service-item-detail:hover {
    transform: translateY(-10px);
}

.service-item-detail i {
    font-size: 40px;
    color: #007bff;
    margin-bottom: 20px;
}

.service-item-detail ul {
    list-style: none;
    padding: 0;
    margin-top: 15px;
}

.service-item-detail ul li {
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.service-item-detail ul li:before {
    content: "•";
    color: #007bff;
    position: absolute;
    left: 0;
}

/* 联系我们页面样式 */
.contact-page {
    padding: 80px 0;
}

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

.contact-info-detailed {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

.contact-form-section {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
}

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

/* 添加更多样式... */
.team-member img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
}

/* 关于我们页面的网格布局 */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 40px;
}

.about-left {
    padding-right: 30px;
}

.about-right {
    padding-left: 30px;
    border-left: 1px solid #eee;
}

.team-grid {
    display: grid;
    gap: 30px;
}

.team-member {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.team-member .position {
    color: #007bff;
    font-weight: 500;
    margin: 10px 0;
}

.team-member .description {
    color: #666;
    font-size: 0.9em;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-right {
        padding-left: 0;
        border-left: none;
        border-top: 1px solid #eee;
        padding-top: 30px;
    }

    .about-left {
        padding-right: 0;
    }
}