/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', Arial, 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: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo h1 {
    font-size: 1.8rem;
    color: #2c3e50;
}

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

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

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

.nav ul li a:hover,
.nav ul li a.active {
    color: #3498db;
}

/* 主要内容区域 */
.main {
    min-height: calc(100vh - 140px);
}

/* 首页英雄区域 */
.hero {
    background: linear-gradient(135deg, #3498db, #8e44ad);
    color: white;
    text-align: center;
    padding: 100px 0;
}

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

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    background-color: #fff;
    color: #3498db;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
    border: 2px solid #fff;
}

.btn:hover {
    background-color: transparent;
    color: #fff;
}

/* 特色服务区域 */
.features {
    padding: 80px 0;
    background-color: #fff;
}

.features .container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.feature-item {
    flex: 1;
    min-width: 300px;
    text-align: center;
    padding: 30px;
    margin: 15px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

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

/* 响应式调整 */
@media (max-width: 768px) {
    .features .container {
        flex-direction: column;
        align-items: center;
    }
    
    .feature-item {
        min-width: 100%;
        max-width: 100%;
        padding: 25px 20px;
        margin: 10px 0;
        box-sizing: border-box;
    }
}

/* 作品集页面样式 */
.portfolio-header {
    text-align: center;
    padding: 60px 0 30px;
    background-color: #fff;
}

.portfolio-header h2 {
    font-size: 2rem;
    color: #2c3e50;
}

.portfolio-filter {
    text-align: center;
    margin: 30px 0;
}

.filter-btn {
    background: none;
    border: none;
    padding: 10px 20px;
    margin: 0 5px;
    cursor: pointer;
    font-size: 1rem;
    border-radius: 30px;
    transition: all 0.3s;
}

.filter-btn.active,
.filter-btn:hover {
    background-color: #3498db;
    color: white;
}

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

.portfolio-item {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    background: #fff;
}

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

.portfolio-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.portfolio-info {
    padding: 20px;
}

.portfolio-item a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.portfolio-info h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #2c3e50;
}

/* 关于我页面样式 */
.about-header {
    text-align: center;
    padding: 60px 0 30px;
    background-color: #fff;
}

.about-content {
    padding: 50px 0;
    background-color: #fff;
}

.about-info {
    display: flex;
    align-items: center;
    margin-bottom: 50px;
    gap: 50px;
}

.profile-text h3 {
    font-size: 1.5rem;
    margin: 20px 0 10px;
    color: #2c3e50;
}

.experience h3 {
    font-size: 1.5rem;
    margin: 30px 0 20px;
    color: #2c3e50;
}

.experience-item {
    margin-bottom: 25px;
    padding: 20px;
    border-left: 3px solid #3498db;
    background-color: #f8f9fa;
}

.experience-item h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: #2c3e50;
}

.date {
    color: #7f8c8d;
    font-style: italic;
    margin-bottom: 10px;
}

.contact-info {
    margin-top: 40px;
    padding: 20px;
    background-color: #f8f9fa;
    border-left: 3px solid #3498db;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin: 0 0 15px 0;
    color: #2c3e50;
}

.contact-info p {
    margin-bottom: 10px;
}

.contact-info a {
    color: #3498db;
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

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

/* 404页面样式 */
.not-found {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 70vh;
    background-color: #fff;
}

.not-found-content {
    text-align: center;
    max-width: 600px;
}

.not-found-content h2 {
    font-size: 8rem;
    color: #3498db;
    margin-bottom: 10px;
    line-height: 1;
}

.not-found-content h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.not-found-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: #7f8c8d;
}

/* 案例详情页样式 */
.case-detail-header {
    text-align: center;
    padding: 60px 0 30px;
    background-color: #fff;
}

.case-detail-header h2 {
    font-size: 2rem;
    color: #2c3e50;
}

.case-main-image {
    text-align: center;
    margin-bottom: 40px;
}

.case-main-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.case-description {
    margin-bottom: 40px;
}

.case-description h3 {
    font-size: 1.5rem;
    margin: 30px 0 20px;
    color: #2c3e50;
}

.case-description ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

.case-description li {
    margin-bottom: 10px;
}

.case-gallery {
    margin-top: 40px;
}

.case-gallery h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.gallery-items {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.gallery-image {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        padding: 15px 0;
    }
    
    .nav ul {
        margin-top: 15px;
    }
    
    .nav ul li {
        margin: 0 10px;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .features .container {
        flex-direction: column;
        align-items: center;
        padding: 0 10px;
        width: 100%;
    }
    
    .feature-item {
        min-width: 100%;
        max-width: 100%;
        padding: 25px 20px;
        margin: 10px 0;
        box-sizing: border-box;
    }
    
    .feature-item h3 {
        font-size: 1.4rem;
        margin-bottom: 12px;
    }
    
    .feature-item p {
        font-size: 1rem;
        line-height: 1.5;
    }
    
    .portfolio-items {
        grid-template-columns: 1fr;
    }
    
    .about-info {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-text h3 {
        font-size: 1.4rem;
        margin: 15px 0 15px;
    }
    
    .profile-text p {
        text-align: justify;
        word-wrap: break-word;
        hyphens: auto;
        line-height: 1.6;
        margin-bottom: 15px;
        padding: 0 10px;
    }
    
    .contact-content .container {
        flex-direction: column;
    }
    

}