/* 全局样式 */
* {
    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 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #2c3e50;
}

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

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

.nav-links a {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #3498db;
}

/* 主页横幅样式 */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, #3498db, #2c3e50);
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
    padding-top: 80px;
}

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

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    padding: 15px 30px;
    background: #e74c3c;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s ease;
}

.cta-button:hover {
    background: #c0392b;
}

/* 服务部分样式 */
.services {
    padding: 100px 0;
    background: #f9f9f9;
}

.services h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 36px;
    color: #2c3e50;
}

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

.service-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.service-card i {
    font-size: 40px;
    color: #3498db;
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
    color: #2c3e50;
}

/* 作品展示样式 */
.works {
    padding: 100px 0;
}

.works h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 36px;
    color: #2c3e50;
}

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

.work-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.work-card:hover {
    transform: translateY(-10px);
}

/* 作品卡片动画效果 */
.work-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #3498db, #2ecc71);
    opacity: 0.1;
    transition: opacity 0.3s ease;
}

.work-card:hover::before {
    opacity: 0.2;
}

/* 第一个作品卡片动画 */
.work-card:nth-child(1)::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 80px;
    border: 4px solid #3498db;
    border-radius: 50%;
    animation: rotate 8s linear infinite;
}

/* 第二个作品卡片动画 */
.work-card:nth-child(2)::after {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-left: 40px solid transparent;
    border-right: 40px solid transparent;
    border-bottom: 70px solid #2ecc71;
    animation: float 3s ease-in-out infinite;
}

/* 第三个作品卡片动画 */
.work-card:nth-child(3)::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 60px;
    background: #e74c3c;
    transform: rotate(45deg);
    animation: pulse 2s ease-in-out infinite;
}

.work-card h3 {
    position: relative;
    z-index: 1;
    padding: 20px;
    text-align: center;
    color: #2c3e50;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* 动画关键帧 */
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: rotate(45deg) scale(1);
    }
    50% {
        transform: rotate(45deg) scale(1.2);
    }
}

/* 关于我们样式 */
.about {
    padding: 100px 0;
    background: #f9f9f9;
}

.about h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 36px;
    color: #2c3e50;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 18px;
    color: #666;
}

/* 联系方式样式 */
.contact {
    padding: 100px 0;
}

.contact h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 36px;
    color: #2c3e50;
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-item i {
    font-size: 24px;
    color: #3498db;
}

.contact-form {
    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;
}

.submit-button {
    padding: 15px 30px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s ease;
}

.submit-button:hover {
    background: #2980b9;
}

/* 页脚样式 */
.footer {
    background: #2c3e50;
    color: white;
    padding: 20px 0;
    text-align: center;
}

.footer p {
    margin: 5px 0;
}

.footer .icp {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        height: auto;
        padding: 20px 0;
    }

    .nav-links {
        margin-top: 20px;
    }

    .nav-links li {
        margin: 0 15px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 18px;
    }

    .service-grid,
    .work-grid {
        grid-template-columns: 1fr;
    }
}