/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
}

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

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo h1 {
    font-size: 1.5rem;
    color: #2c3e50;
}

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

.nav-links li {
    margin-left: 2rem;
}

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

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

/* 汉堡菜单 */
.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: #2c3e50;
    margin: 5px;
    transition: all 0.3s ease;
}

/* 英雄区域样式 */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../images/85a1a7437c46466880cc2014d2a03c4f.gif');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    margin-top: 60px;
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: #3498db;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

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

/* 精选文章区域 */
.featured-posts {
    padding: 5rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.featured-posts h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.post-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.post-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.post-content {
    padding: 1.5rem;
}

.post-content h3 {
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.post-meta {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.read-more {
    display: inline-block;
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
    margin-top: 1rem;
}

/* 博客页面样式 */
.blog-main {
    padding-top: 80px;
}

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

.blog-header h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.blog-posts {
    padding: 2rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-post {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.blog-post:hover {
    transform: translateY(-5px);
}

.blog-post img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.pagination {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
    gap: 1rem;
}

.pagination a {
    padding: 0.5rem 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
}

.pagination a.active,
.pagination a:hover {
    background-color: #3498db;
    color: #fff;
    border-color: #3498db;
}

/* 关于页面样式 */
.about-main {
    padding-top: 80px;
}

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

.about-content {
    padding: 4rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.about-text h2 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

.about-text h3 {
    color: #2c3e50;
    margin: 2rem 0 1rem;
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 1rem 0;
    list-style: none;
}

.skills li {
    background-color: #3498db;
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.testimonials {
    padding: 4rem 5%;
    background-color: #f8f9fa;
}

.testimonials h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.testimonial p {
    font-style: italic;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

/* 联系页面样式 */
.contact-main {
    padding-top: 80px;
}

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

.contact-content {
    padding: 4rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
}

.contact-info {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.info-item i {
    font-size: 1.5rem;
    color: #3498db;
    margin-right: 1rem;
}

.contact-form {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.submit-btn {
    background-color: #3498db;
    color: #fff;
    padding: 1rem 2rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

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

/* 页脚样式 */
footer {
    background-color: #2c3e50;
    color: #fff;
    padding: 3rem 5% 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
}

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

.social-links a {
    color: #fff;
    font-size: 1.5rem;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: -100%;
        top: 60px;
        height: calc(100vh - 60px);
        background-color: #fff;
        flex-direction: column;
        align-items: center;
        width: 100%;
        transition: 0.5s;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        margin: 2rem 0;
    }

    .burger {
        display: block;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .about-container,
    .contact-container {
        grid-template-columns: 1fr;
    }

    .blog-grid,
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
}