/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

ul {
    list-style: none;
}

:root ,body{
    /* 颜色变量 */
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --dark-bg: #2c3e50;
    --white: #fff;
    --black: #000;
    --gray-light: #eee;
    --gray-medium: #666;
    --gray-dark: #494949;
    --dark-text: #121212;
    --dark-element: #1e1e1e;
    --dark-bg-color: #121212;
    --border-color: #ccc;
    --hover-color: #172B4C;
    --link-color: #3498db;
    
    /* 其他变量 */
    --max-width: 1200px;
    --radius: 8px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--light-bg);
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
    transition: transform 0.3s ease-in-out;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

/* 移除 hover 状态下的颜色变化 */
.nav-links a:hover {
    color: var(--text-color);
}

.nav-links a.hover {
    color: var(--link-color);
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    cursor: pointer;
    background: transparent;
    border: none;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger-box {
    width: 28px;
    height: 24px;
    display: inline-block;
    position: relative;
}

.hamburger-inner {
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    transition: transform 0.15s ease;
}

.hamburger-inner::before,
.hamburger-inner::after {
    content: "";
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    position: absolute;
    left: 0;
    transition: transform 0.15s ease;
}

.hamburger-inner::before { top: -8px; }
.hamburger-inner::after { top: 8px; }

.hamburger.active .hamburger-inner {
    transform: rotate(45deg);
}

.hamburger.active .hamburger-inner::before {
    transform: translateY(8px) rotate(-45deg);
}

.hamburger.active .hamburger-inner::after {
    transform: translateY(-8px) rotate(45deg);
    opacity: 0;
}

/* 主内容区 */
main {
    margin-top: 80px;
    padding: 2rem 0;
}

.main-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

/* 文章卡片 */
.article-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.article-card.horizontal {
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
}

.article-image-container {
    position: relative;
    flex: 0 0 250px;
    overflow: hidden;
}

.article-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.article-card:hover .article-image {
    transform: scale(1.05);
}

.category-tag {
    background: var(--secondary-color);
    color: var(--white);
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    position: absolute;
    z-index: 1;
}

.article-content {
    padding: 2rem;
}

.article-meta {
    display: flex;
    gap: 1rem;
    color: var(--gray-medium);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.reading-time::before {
    content: "·";
    margin: 0 0.5rem;
}

/* 侧边栏 */
.sidebar {
    padding: 1.5rem;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.widget {
    margin-bottom: 2rem;
}

.widget ul a {
    color: var(--dark-element);
}

/* 页脚 */
.footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-col h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.footer-col a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
}

.footer-col a:hover {
    color: var(--secondary-color);
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    color: rgba(255,255,255,0.6);
}

.copyright img {
    width:20px;
    height:20px;
}

.copyright a {
    color: var(--white);
}

a {
    text-decoration: none;
}

.article-card h2 a {
    color: var(--black);
}

.content a {
    color: var(--link-color);
}

/* 分页栏样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 2rem 0;
    gap: 1rem;
}

.pagination a {
    color: var(--primary-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid var(--primary-color);
    border-radius: var(--radius);
    transition: background 0.3s ease, color 0.3s ease;
}

.pagination a:hover {
    background: var(--primary-color);
    color: var(--white);
}

.pageddd {
    text-align:center;
    height:auto;
    width: 100%;
    display: block;
    margin-top:10px;
}

.pageddd a,
.pageddd span {
    border: 1px solid var(--border-color);
    min-width: 30px;
    display:inline-block;
    margin:8px 8px;
    padding:5px 8px;
}

.pageddd span {
    color: var(--hover-color);
}

.pageddd span.hover {
    color: var(--white);
    border: 1px solid var(--hover-color);
    background: var(--hover-color);
}

.pageddd a {
    color: var(--gray-dark);
}

.pageddd a:hover {
    color: var(--hover-color);
}

/* 文章详情页样式 */
.article-detail {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.article-header {
    margin-bottom: 3rem;
    text-align: center;
}

.article-title {
    font-size: 2.5rem;
    line-height: 1.2;
    margin: 1.5rem 0;
    color: var(--primary-color);
}

.author-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.author-name {
    font-weight: 600;
    color: var(--primary-color);
}

.post-date {
    color: var(--gray-medium);
    font-size: 0.9rem;
}

/* 封面图片 */
.article-cover {
    margin: 2rem 0;
    border-radius: var(--radius);
    overflow: hidden;
}

.cover-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius);
}

figcaption {
    text-align: center;
    color: var(--gray-medium);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* 正文内容 */
.article-body {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #444;
}

.article-body h2 {
    font-size: 1.8rem;
    margin: 2.5rem 0 1.5rem;
    color: var(--primary-color);
}

.article-body h3 {
    font-size: 1.4rem;
    margin: 2rem 0 1rem;
}

.lead {
    font-size: 1.2rem;
    color: var(--primary-color);
    border-left: 4px solid var(--secondary-color);
    padding-left: 1.5rem;
    margin: 2rem 0;
}

/* 代码块 */
pre {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: var(--radius);
    margin: 1.5rem 0;
    overflow-x: auto;
}

code {
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
}

/* 列表样式 */
ul {
    padding-left: 1rem;
    margin: 1.5rem 0;
}

li {
    margin-bottom: 0.8rem;
    position: relative;
}

li::before {
    content: "•";
    color: var(--secondary-color);
    margin-right: 0.5rem;
}

/* 引用块 */
blockquote {
    background: var(--light-bg);
    border-left: 4px solid var(--secondary-color);
    margin: 2rem 0;
    padding: 1.5rem;
    font-style: italic;
    color: var(--gray-medium);
}

/* 页脚操作 */
.article-footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-light);
}

.tags {
    margin-bottom: 2rem;
}

.tag {
    display: inline-block;
    background: var(--light-bg);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    margin: 0.3rem;
    font-size: 0.9rem;
}

.article-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.like-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.2s ease;
}

.like-button:hover {
    transform: scale(1.05);
}

/* 相关文章 */
.related-articles {
    margin: 4rem 0;
}

.section-title {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

/* 搜索框 */
.sosuos {
    margin-bottom:10px;
}

.sosuos input {
    border-radius: 6px;
    padding:0px 10px;
    font-size:16px;
    background:var(--gray-light);
    border:none;
    color:var(--black);
    height:40px;
    line-height:40px;
    width:188px;
}

.sosuos .soico {
    display: inline-block;
    position: relative;
    left:6px;
    top:8px;
    cursor:pointer;
}

/* 响应式设计 */
@media (min-width: 768px) {
    .main-grid {
        grid-template-columns: 3fr 1fr;
    }

    .article-card.horizontal {
        flex-direction: row;
        min-height: 300px;
    }

    .article-image-container {
        flex: 0 0 40%;
        max-width: 40%;
    }

    .article-image {
        border-radius: var(--radius) 0 0 var(--radius);
    }

    .category-tag {
        top: 1rem;
        left: 1rem;
    }
}

@media (max-width: 767px) {
    .hamburger { display: block; }
    .nav-links {
        position: fixed;
        top: 60px;
        right: 0;
        width: 100%;
        height: calc(100vh - 60px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 2rem;
        transform: translateX(100%);
    }
    .nav-links.active { transform: translateX(0); }
    .nav-links a {
        padding: 1rem;
        border-bottom: 1px solid rgba(0,0,0,0.1);
    }

    .sidebar { display: none; }
    .article-image { height: 200px; }
    .category-tag { bottom: 1rem; left: 1rem; }
    .footer-col { text-align: center; }
}

@media (max-width: 768px) {
    .article-title {
        font-size: 2rem;
    }

    .cover-image {
        height: 250px;
    }

    .article-body {
        font-size: 1rem;
    }

    pre {
        padding: 1rem;
        font-size: 0.8rem;
    }
}

@media screen and (max-width:992px){
    .pageddd a.kuo_page{display: none;}
}

@media screen and (max-width:767.98px){
    .pageddd a.kuo_page{display: none;}
    .pageddd .kuo_weiye,
    .pageddd .kuo_home,
    .pageddd .kuo_dqdi {
        display: none; 
    }
}

/* 暗色模式 */
@media (prefers-color-scheme: dark) {
    body {
        background: var(--dark-bg-color);
        color: #eee;
    }
    .article-card,
    .sidebar {
        background: var(--dark-element);
        color: #eee;
    }
    h1, h2, h3 { color: var(--white); }
}