/* 基础样式重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            transition: background-color 0.3s, color 0.3s, transform 0.6s;
            user-select: text
        }
        ::selection {
            background-color: #dddddd; 
        }
        .art-link{
            color: #666;
            text-decoration: all;
            transition: all 0.3s;
            display: block;
        }
        
        .art-link:hover{
            color: #333;
            transform: translateX(3px);
        }
        .click-effect {
            position: absolute;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            animation: clickEffectAnimation 0.6s ease-out forwards;
            pointer-events: none;
            z-index: 999;
        }

        @keyframes clickEffectAnimation {
            0% {
                transform: scale(0);
                opacity: 1;
            }
            100% {
                transform: scale(3);
                opacity: 0;
            }
        }
        /* 页面加载动画 */
        .page-loader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: #fff;
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 9999;
            transition: opacity 0.6s ease-out, visibility 0.6s;
        }

        body.dark-mode .page-loader {
            background-color: #1a1a1a;
        }

        .loader {
            width: 40px;
            height: 40px;
            border: 3px solid #f0f0f0;
            border-top-color: #666;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        body.dark-mode .loader {
            border-color: #333;
            border-top-color: #888;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        /* 内容淡入动画 */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.8s ease-out, transform 0.8s ease-out;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* 错开动画时间 */
        .delay-1 { transition-delay: 0.1s; }
        .delay-2 { transition-delay: 0.2s; }
        .delay-3 { transition-delay: 0.3s; }
        .delay-4 { transition-delay: 0.4s; }
        .delay-5 { transition-delay: 0.5s; }
        .delay-6 { transition-delay: 0.6s; }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f9f9f9;
            padding-top: 50px; /* 为固定导航栏留出空间 */
        }

        /* 导航栏样式 */
        nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: #fff;
            border-bottom: 1px solid #eee;
            padding: 8px 0;
            z-index: 100;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        nav.scrolled {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #333;
            text-decoration: none;
            letter-spacing: -0.5px;
        }

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

        .nav-links li {
            margin-left: 25px;
        }

        .nav-links a {
            color: #666;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s;
            position: relative;
            padding: 5px 0;
        }

        .nav-links a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 1px;
            bottom: 0;
            left: 0;
            background-color: #333;
            transition: width 0.3s;
        }

        .nav-links a:hover:after {
            width: 100%;
        }

        .nav-links a:hover {
            color: #333;
        }

        /* 主题切换按钮 */
        .theme-toggle {
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            color: #666;
            margin-left: 20px;
            transition: transform 0.3s;
        }

        .theme-toggle:hover {
            transform: rotate(90deg);
        }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.2rem;
            cursor: pointer;
            color: #666;
        }

        /* 主容器样式 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 20px;
            display: grid;
            grid-template-columns: 3fr 1fr;
            gap: 40px;
        }

        /* 文章样式 */
        .article {
            background-color: #fff;
            border-radius: 4px;
            padding: 30px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
            margin-bottom: 30px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .article:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }

        .article h2 {
            font-size: 1.8rem;
            margin-bottom: 15px;
            color: #222;
            transition: color 0.3s;
        }

        .article h2 a {
            color: inherit;
            text-decoration: none;
        }

        .article h2:hover a {
            color: #555;
        }

        .article-meta {
            color: #888;
            font-size: 0.85rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
        }

        .article-meta a {
            color: inherit;
            text-decoration: none;
        }

        .article-meta a:hover {
            text-decoration: underline;
        }

        .article-content {
            margin-bottom: 25px;
            color: #555;
        }

        .article-content p {
            margin-bottom: 10px;
            line-height: 1.8;
        }

        .read-more {
            display: inline-block;
            color: #333;
            text-decoration: none;
            font-weight: 500;
            padding: 8px 15px;
            border: 1px solid #ddd;
            border-radius: 4px;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }

        .read-more:after {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(0,0,0,0.05), transparent);
            transition: all 0.6s;
        }

        .read-more:hover:after {
            left: 100%;
        }

        .read-more:hover {
            background-color: #f0f0f0;
            border-color: #ccc;
        }

        /* 阅读进度条 */
        .progress-container {
            width: 100%;
            height: 3px;
            background: transparent;
            position: fixed;
            top: 48px;
            left: 0;
            z-index: 101;
        }

        .progress-bar {
            height: 3px;
            background: #666;
            width: 0%;
            transition: width 0.1s ease;
        }

        /* 侧边栏样式 */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .sidebar-section {
            background-color: #fff;
            border-radius: 4px;
            padding: 20px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
            transition: transform 0.3s ease;
        }

        .sidebar-section:hover {
            transform: translateY(-2px);
        }

        .sidebar-title {
            font-size: 1.1rem;
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 1px solid #eee;
            color: #333;
            position: relative;
        }

        .sidebar-title:after {
            content: '';
            position: absolute;
            width: 30px;
            height: 2px;
            bottom: -1px;
            left: 0;
            background-color: #666;
        }

        /* 关于我部分 */
        .about-me {
            text-align: center;
            padding: 25px 20px;
        }

        .avatar {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 15px;
            display: block;
            border: 3px solid #f0f0f0;
            transition: transform 0.3s ease;
        }

        .avatar:hover {
            transform: scale(1.05);
        }

        .author-name {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: #5eb95e;
        }

        .author-bio {
            color: #666;
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 15px;
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 15px;
        }

        .social-links a {
            color: #888;
            font-size: 1.1rem;
            transition: all 0.3s;
        }

        .social-links a:hover {
            color: #333;
            transform: translateY(-3px);
        }

    

        /* 友情链接样式 */
        .links {
            list-style: none;
        }

        .links li {
            margin-bottom: 10px;
        }

        .links a {
            color: #666;
            text-decoration: none;
            transition: all 0.3s;
            display: inline-block;
        }

        .links a:hover {
            color: #333;
            padding-left: 5px;
        }

        /* 页脚样式 */
        footer {
            background-color: #fff;
            border-top: 1px solid #eee;
            padding: 30px 0;
            margin-top: 50px;
        }

        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            text-align: center;
            color: #888;
            font-size: 0.85rem;
        }

        .footer-links {
            margin-bottom: 15px;
        }

        .footer-links a {
            color: #888;
            text-decoration: none;
            margin: 0 10px;
            transition: color 0.3s;
        }

        .footer-links a:hover {
            color: #333;
        }

        /* 返回顶部按钮 */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background-color: #fff;
            color: #333;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            z-index: 99;
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-to-top:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.15);
        }

        /* 暗色模式 */
        body.dark-mode {
            background-color: #1a1a1a;
            color: #ddd;
        }

        body.dark-mode nav {
            background-color: #222;
            border-bottom-color: #333;
        }

        body.dark-mode nav.scrolled {
            background-color: rgba(34, 34, 34, 0.95);
        }

        body.dark-mode .logo,
        body.dark-mode .nav-links a,
        body.dark-mode .theme-toggle {
            color: #bbb;
        }

        body.dark-mode .nav-links a:hover {
            color: #fff;
        }

        body.dark-mode .nav-links a:after {
            background-color: #bbb;
        }

        body.dark-mode .article,
        body.dark-mode .sidebar-section,
        body.dark-mode footer {
            background-color: #222;
            border-color: #333;
        }

        body.dark-mode .article:hover {
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }

        body.dark-mode .article h2,
        body.dark-mode .sidebar-title{
            color: #fff;
        }
        

        body.dark-mode .author-name{
            color: #5eb95e;
        }


        body.dark-mode .article h2:hover a {
            color: #bbb;
        }

        body.dark-mode .article-content,
        body.dark-mode .categories a,
        body.dark-mode .links a,
        body.dark-mode .recent-posts a,
        body.dark-mode .author-bio {
            color: #bbb;
        }

        body.dark-mode .article-content p,
        body.dark-mode .article-meta,
        body.dark-mode .category-count,
        body.dark-mode .recent-post-date,
        body.dark-mode .footer-container,
        body.dark-mode .footer-links a {
            color: #888;
        }

        body.dark-mode .article-meta a:hover {
            color: #bbb;
        }

        body.dark-mode .read-more {
            color: #bbb;
            border-color: #444;
        }

        body.dark-mode .read-more:hover {
            background-color: #333;
        }

        body.dark-mode .read-more:after {
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
        }

        body.dark-mode .category-count,
        body.dark-mode .search-input {
            background-color: #333;
            color: #888;
            border-color: #444;
        }

        body.dark-mode .search-input:focus {
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05);
        }

        body.dark-mode .search-icon {
            color: #888;
        }

        body.dark-mode .search-input:focus + .search-icon {
            color: #bbb;
        }

        body.dark-mode .back-to-top {
            background-color: #222;
            color: #bbb;
        }

        body.dark-mode .back-to-top:hover {
            box-shadow: 0 5px 15px rgba(0,0,0,0.5);
        }

        body.dark-mode .progress-bar {
            background: #888;
        }

        body.dark-mode .sidebar-title:after {
            background-color: #888;
        }

        body.dark-mode .avatar {
            border-color: #333;
        }

        body.dark-mode .social-links a {
            color: #888;
        }

        body.dark-mode .social-links a:hover {
            color: #bbb;
        }

        body.dark-mode .footer-links a:hover {
            color: #bbb;
        }

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

            .carousel {
                height: 200px;
            }

            .carousel-title {
                font-size: 1.2rem;
            }

            .nav-links {
                position: fixed;
                top: 50px;
                left: -100%;
                flex-direction: column;
                background-color: #fff;
                width: 100%;
                border-bottom: 1px solid #eee;
                transition: 0.3s;
                box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            }

            body.dark-mode .nav-links {
                background-color: #222;
                border-bottom-color: #333;
            }

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

            .nav-links li {
                margin: 0;
                padding: 12px 20px;
                border-bottom: 1px solid #eee;
            }

            body.dark-mode .nav-links li {
                border-bottom-color: #333;
            }

            .nav-links li:last-child {
                border-bottom: none;
            }

            .menu-toggle {
                display: block;
            }

            .theme-toggle {
                margin-left: 10px;
            }

            .article h2 {
                font-size: 1.5rem;
            }
        }
        .announcement {
            background-color: #888888;
            color: white;
            padding: 20px;
            text-align: center;
            position: fixed;
            bottom: 0;
            width: 100%;
            box-shadow: 0 -2px 3px rgba(0,0,0,0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 1000;
            transition: transform 0.3s ease-in-out;
            transform: translateY(100%);
            z-index: 1000000;
        }
        .announcement.show {
            transform: translateY(0);
        }
        .close-btn {
            background: none;
            border: none;
            color: inherit;
            cursor: pointer;
            font-size: 1.5em;
            outline: none;
        }
        .announcement-content {
            max-width: 80%;
            margin: 0 auto;
        }