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

/* 根元素变量定义 */
:root {
    --primary-color: #000;
    --accent-color: #ff6a00;
    --text-color: #333;
    --bg-color: #fff;
    --card-bg: #fff;
    --nav-bg: rgba(255, 255, 255, 0.95);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* 暗色模式变量 */
[data-theme='dark'] {
    --primary-color: #fff;
    --accent-color: #ffa500;
    --text-color: #e0e0e0;
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --nav-bg: rgba(18, 18, 18, 0.95);
    --shadow-color: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Noto Sans SC', 'Times New Roman', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: var(--transition);
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--nav-bg);
    box-shadow: 0 2px 10px var(--shadow-color);
    transition: var(--transition);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-color);
}

/* 我的介绍模块样式 */
.about-me {
    max-width: 1200px;
    margin: 60px auto 2rem;
    padding: 1rem;
}

.about-card {
    background: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 10px var(--shadow-color);
    display: flex;
    flex-direction: row;
}

.about-image {
    flex: 1;
    max-width: 400px;
}

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

.about-content {
    flex: 1;
    padding: 2rem;
}

.about-content h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.about-content p {
    color: var(--text-color);
    line-height: 1.8;
    font-size: 1.1rem;
}

/* 作品展示模块样式 */
.works-section {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 1rem;
}

.section-title {
    text-align: center;
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 2rem;
}

.article-link {
    text-decoration: none;
    color: inherit;
    display: block;
    transition: transform 0.3s ease;
}

.article-link:hover {
    transform: translateY(-5px);
}

/* 引入文章详情页样式 */
@import 'article.css';

/* 联系我模块样式 */
.contact-section {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 1rem;
}

.contact-card {
    background: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 10px var(--shadow-color);
    display: flex;
    padding: 2rem;
    gap: 2rem;
}

.contact-info {
    flex: 2;
}

.contact-info h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-color);
}

/* 留言按钮样式 */
.leave-message-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    padding: 0.8rem 1.5rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

.leave-message-btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* 留言弹窗样式 */
.message-form {
    margin-top: 1.5rem;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--shadow-color);
    border-radius: 5px;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.submit-btn {
    width: 100%;
    padding: 0.8rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

.submit-btn:hover {
    opacity: 0.9;
}

.contact-method i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.qr-code {
    flex: 1;
    text-align: center;
}

.qr-code img {
    width: 200px;
    height: 200px;
    border-radius: 10px;
    margin-bottom: 1rem;
}

.qr-code p {
    color: var(--text-color);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .about-card {
        flex-direction: column;
    }

    .about-image {
        max-width: 100%;
        height: 250px;
    }

    .contact-card {
        flex-direction: column;
    }

    .qr-code img {
        width: 150px;
        height: 150px;
    }
}

/* Banner图样式 */
.banner {
    margin-top: 60px;
    position: relative;
    overflow: hidden;
    height: 400px;
}

.slider {
    position: relative;
    height: 100%;
}

.slide {
    width: 100%;
    height: 100%;
}

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

/* 文章网格布局 */
.articles-grid {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* 文章卡片样式 */
.article-card {
    background: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 10px var(--shadow-color);
    transition: var(--transition);
    cursor: pointer;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px var(--shadow-color);
}

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

.article-content {
    padding: 1.5rem;
}

.article-category {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: var(--accent-color);
    color: white;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-bottom: 1rem;
}

.article-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.article-meta {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1rem;
}

.article-excerpt {
    color: var(--text-color);
    font-size: 0.9rem;
}

/* 页脚样式 */
.footer {
    background: var(--primary-color);
    color: var(--bg-color);
    padding: 2rem 0;
    margin-top: 3rem;
}

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

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

.social-link {
    color: var(--bg-color);
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-link:hover {
    color: var(--accent-color);
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--accent-color);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    opacity: 0;
    transition: var(--transition);
}

.back-to-top.visible {
    opacity: 1;
}

/* 暗色模式切换按钮 */
.dark-mode-toggle {
    position: fixed;
    bottom: 2rem;
    right: 5rem;
    background: var(--primary-color);
    color: var(--bg-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

/* 文章弹窗样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
}

.modal-content {
    position: relative;
    background: var(--bg-color);
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    border-radius: 10px;
    max-height: 90vh;
    overflow-y: auto;
}

.close-modal {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-content {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .banner {
        height: 300px;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .dark-mode-toggle {
        right: 2rem;
        bottom: 5rem;
    }
}