:root{--primary-color:#3498db;--text-color:#333;--text-light:#666;--light-gray:#f5f5f5;--border-color:#e0e0e0;--border-radius:8px;--box-shadow:0 2px 4px rgba(0,0,0,0.05);--card-shadow:0 2px 8px rgba(0,0,0,0.08);--hover-shadow:0 4px 12px rgba(0,0,0,0.12);--max-width:1000px;--bg-color:#fff;--spacing-sm:8px;--spacing-md:15px;--spacing-lg:20px;--spacing-xl:25px;--font-size-sm:14px;--font-size-md:16px;--font-size-lg:18px}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;line-height:1.6;color:var(--text-color);background-color:#f8f9fa}
.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}
.card{background-color:var(--bg-color);border-radius:var(--border-radius);box-shadow:var(--card-shadow);transition:box-shadow 0.3s}
.card:hover{box-shadow:var(--hover-shadow)}
.text-center{text-align:center}
.text-ellipsis{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mb-sm{margin-bottom:var(--spacing-sm)}
.mb-md{margin-bottom:var(--spacing-md)}
.mb-lg{margin-bottom:var(--spacing-lg)}
.mb-xl{margin-bottom:var(--spacing-xl)}
.mt-sm{margin-top:var(--spacing-sm)}
.mt-md{margin-top:var(--spacing-md)}
.mt-lg{margin-top:var(--spacing-lg)}
.mt-xl{margin-top:var(--spacing-xl)}
.p-sm{padding:var(--spacing-sm)}
.p-md{padding:var(--spacing-md)}
.p-lg{padding:var(--spacing-lg)}
.p-xl{padding:var(--spacing-xl)}
.site-header{background-color:#fff;box-shadow:0 2px 12px rgba(0,0,0,0.08);position:sticky;top:0;z-index:1000}
.nav-wrapper{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo a{font-size:24px;font-weight:bold;color:var(--primary-color);text-decoration:none;transition:color 0.3s}
.logo a:hover{color:#357abd}
.nav-menu ul{display:flex;list-style:none;gap:20px}
.nav-menu a{text-decoration:none;color:var(--text-color);transition:all 0.3s;padding:8px 16px;border-radius:var(--border-radius)}
.nav-menu a:hover,.nav-menu a.active{color:var(--primary-color);background-color:rgba(74,144,226,0.1)}
.search-box{display:flex;gap:10px;align-items:center}
.search-input-wrapper{position:relative}
.search-box input{padding:8px 12px;border:1px solid var(--border-color);border-radius:var(--border-radius);width:200px;transition:all 0.3s}
.search-box input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(74,144,226,0.1)}
.search-btn{padding:8px 16px;background-color:var(--primary-color);color:white;border:none;border-radius:var(--border-radius);cursor:pointer;transition:all 0.3s;display:flex;align-items:center;justify-content:center}
.search-btn:hover{background-color:#357abd;transform:translateY(-1px)}
.mobile-menu-btn{display:none;flex-direction:column;gap:6px;cursor:pointer;padding:10px;z-index:1001}
.mobile-menu-btn span{display:block;width:25px;height:2px;background-color:var(--text-color);transition:all 0.3s}
.mobile-menu-btn.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.mobile-menu-btn.active span:nth-child(2){opacity:0}
.mobile-menu-btn.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-7px)}
.page-wrapper{min-height:calc(100vh - 70px);display:flex;flex-direction:column}
main{flex:1;padding:40px 0}
.top-section{display:grid;grid-template-columns:2fr 1fr;gap:40px;margin-bottom:40px}
.article-detail{background:#fff;padding:30px;border-radius:var(--border-radius);box-shadow:var(--card-shadow)}
.article-title h1{font-size:28px;margin-bottom:15px;color:#1a1a1a}
.article-meta{display:flex;gap:20px;color:#666;margin-bottom:20px;font-size:14px}
.article-meta span{display:flex;align-items:center;gap:5px}
.article-content{position:relative;margin-bottom:20px}
.article-content.collapsed{max-height:500px;overflow:hidden}
.article-content.collapsed::after{content:'';position:absolute;bottom:0;left:0;width:100%;height:100px;background:linear-gradient(to bottom,rgba(255,255,255,0),#fff);pointer-events:none}
.article-content.expanded{max-height:none}
.article-content.expanded::after{display:none}
.article-text{font-size:16px;line-height:1.8;color:#2c3e50}
.content-block{margin:30px 0}
.article-image{margin:0;border-radius:var(--border-radius);overflow:hidden}
.article-image img{width:100%;height:auto;object-fit:cover;display:block}
.article-image figcaption{margin:0;padding:8px 12px;color:#666;font-size:14px;text-align:center;background-color:#f5f5f5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.read-more-btn{display:inline-block;padding:10px 30px;margin:20px auto;border:none;border-radius:25px;background:linear-gradient(45deg,var(--primary-color),#357abd);color:white;font-size:15px;cursor:pointer;transition:all 0.3s;text-align:center;position:relative;overflow:hidden;box-shadow:0 2px 8px rgba(74,144,226,0.2)}
.read-more-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(74,144,226,0.3)}
.read-more-btn:active{transform:translateY(0)}
.load-more-container{width:100%;text-align:center;margin:30px 0}
.load-more-btn{display:inline-block;padding:12px 30px;border:none;border-radius:var(--border-radius);background:linear-gradient(45deg,var(--primary-color),#357abd);color:white;font-size:16px;cursor:pointer;transition:all 0.3s;position:relative;overflow:hidden}
.load-more-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(74,144,226,0.2)}
.load-more-btn:active{transform:translateY(0)}
.load-more-btn::after{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(
        90deg,transparent,rgba(255,255,255,0.2),transparent
    );transition:0.5s}
.load-more-btn:hover::after{left:100%}
.load-more-btn.loading{background:linear-gradient(45deg,#357abd,var(--primary-color));cursor:wait}
.load-more-btn.loading::before{content:'';display:inline-block;width:16px;height:16px;margin-right:8px;border:2px solid #fff;border-radius:50%;border-top-color:transparent;animation:spin 1s linear infinite;vertical-align:middle}
@keyframes spin{to{transform:rotate(360deg)}
}.sidebar{position:sticky;top:90px}
.sidebar-section{background:var(--bg-color);padding:var(--spacing-xl);border-radius:var(--border-radius);box-shadow:var(--card-shadow);transition:box-shadow 0.3s}
.sidebar-section:hover{box-shadow:var(--hover-shadow)}
.sidebar-section h3{margin-bottom:var(--spacing-lg);font-size:var(--font-size-lg);color:var(--text-color);padding-bottom:var(--spacing-sm);border-bottom:2px solid var(--light-gray)}
.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:20px}
.related-article-item{display:flex;gap:15px;text-decoration:none;color:var(--text-color);transition:transform 0.3s}
.related-article-item:hover{transform:translateX(5px)}
.article-thumb{flex-shrink:0;width:100px;height:75px;border-radius:var(--border-radius);overflow:hidden}
.article-thumb img{width:100%;height:100%;object-fit:cover}
.related-article-item:hover .article-thumb img{transform:none}
.article-info{flex:1;display:flex;flex-direction:column;justify-content:space-between}
.article-info h4{font-size:14px;line-height:1.4;margin:0;color:#2c3e50;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-time{font-size:12px;color:#666;display:flex;align-items:center;gap:4px}
.topics-section{margin-bottom:40px;background:#fff;padding:25px;border-radius:var(--border-radius);box-shadow:var(--card-shadow)}
.topics-section h3{text-align:left}
.topics-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-md);max-height:140px;overflow:hidden}
.topics-grid .topic-item{background-color:var(--light-gray);border-radius:4px;padding:var(--spacing-sm) var(--spacing-md);color:var(--text-color);text-decoration:none;display:block;font-size:var(--font-size-sm);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topics-grid .topic-item:visited{color:#333}
.topic-item:hover{color:var(--primary-color)}
.posts-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.post-item{text-decoration:none;color:var(--text-color);background:#fff;border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--card-shadow);transition:all 0.3s}
.post-item:hover{transform:translateY(-5px);box-shadow:var(--hover-shadow)}
.post-image{position:relative;aspect-ratio:3/4;overflow:hidden}
.post-image img{width:100%;height:100%;object-fit:cover}
.post-item:hover .post-image img{transform:none}
.post-item h4{font-size:14px;margin:0;padding:12px;line-height:1.4;color:#2c3e50;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
footer{background-color:#2c3e50;color:white;padding:30px 0;margin-top:40px}
footer p{text-align:center;font-size:14px;color:rgba(255,255,255,0.8)}
@media (max-width:768px){.nav-wrapper{padding:0 15px}
.nav-menu{display:none;position:fixed;top:70px;left:0;right:0;background:#fff;padding:20px;box-shadow:0 2px 10px rgba(0,0,0,0.1);z-index:1000}
.nav-menu.active{display:block}
.nav-menu ul{flex-direction:column;gap:15px}
.nav-menu a{display:block;padding:10px 0}
.mobile-menu-btn{display:flex}
.search-box{display:none}
.search-btn{display:none}
.search-input-wrapper{display:none}
.top-section{grid-template-columns:1fr}
.posts-grid{grid-template-columns:repeat(2,1fr);gap:15px}
.topics-section{display:none}
.article-detail{padding:15px}
.article-list{grid-template-columns:repeat(2,1fr)}
.sidebar-section{margin-top:20px}
.topics-grid{grid-template-columns:repeat(2,1fr);gap:10px}
.danlan-fake{display:none}
.danlan-real{display:block}
.danlan-real .topics-section{display:block}
.danlan-real .posts-grid{display:grid;grid-template-columns:1fr;gap:15px}
.danlan-real .post-item{display:block}
.danlan-real .post-image{display:block}
}@media (max-width:480px){.posts-grid{grid-template-columns:1fr}
.nav-menu ul{flex-wrap:wrap;justify-content:center}
.article-list{grid-template-columns:1fr}
}.lazy{opacity:0;transition:opacity 0.3s}
.lazy.loaded{opacity:1}
.slider-container{position:relative;overflow:hidden;border-radius:var(--border-radius);background:#fff}
.slider-wrapper{display:flex;transition:transform 0.3s ease}
.slider-item{flex:0 0 100%;padding:15px;margin-bottom:10px}
.slider-image{position:relative;width:100%;padding-top:133.33%;border-radius:var(--border-radius);overflow:hidden;margin-bottom:10px}
.slider-image img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
.slider-item:hover .slider-image img{transform:none}
.slider-item a{text-decoration:none;color:#333;display:block}
.slider-item a:visited{color:#333}
.slider-item h4{margin:10px 0 0;font-size:16px;line-height:1.4;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.slider-controls{display:flex;align-items:center;justify-content:space-between;padding:10px 15px;background:rgba(255,255,255,0.9);border-top:1px solid var(--border-color)}
.slider-prev,.slider-next{background:none;border:none;color:var(--primary-color);cursor:pointer;padding:5px 10px;font-size:16px;transition:all 0.3s}
.slider-prev:hover,.slider-next:hover{color:#357abd;transform:scale(1.1)}
.slider-dots{display:flex;gap:8px}
.dot{width:8px;height:8px;border-radius:50%;background:#ccc;cursor:pointer;transition:all 0.3s}
.dot.active{background:var(--primary-color);transform:scale(1.2)}
@media (max-width:768px){.slider-item h4{font-size:13px}
}.load-more{display:block;width:100%;padding:12px;margin:20px 0;border:none;border-radius:var(--border-radius);background:linear-gradient(45deg,var(--primary-color),#357abd);color:white;font-size:16px;cursor:pointer;transition:all 0.3s;position:relative;overflow:hidden}
.load-more:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(74,144,226,0.2)}
.load-more:active{transform:translateY(0)}
.load-more::after{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(
        90deg,transparent,rgba(255,255,255,0.2),transparent
    );transition:0.5s}
.load-more:hover::after{left:100%}
.load-more.loading{background:linear-gradient(45deg,#357abd,var(--primary-color));cursor:wait}
.load-more.loading::before{content:'';display:inline-block;width:16px;height:16px;margin-right:8px;border:2px solid #fff;border-radius:50%;border-top-color:transparent;animation:spin 1s linear infinite;vertical-align:middle}
@keyframes spin{to{transform:rotate(360deg)}
}.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:20px}
.article-item{background:#fff;border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--card-shadow);transition:all 0.3s}
.article-item.hidden{display:none}
.article-thumb{position:relative;padding-top:133.33%;overflow:hidden}
.article-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
.article-item:hover .article-thumb img{transform:none}
.article-info{padding:15px}
.article-info h3{font-size:16px;margin:0 0 10px;line-height:1.4;color:#2c3e50;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-meta{display:flex;align-items:center;gap:15px;color:#666;font-size:13px}
.article-meta span{display:flex;align-items:center;gap:4px}
@media (max-width:768px){.article-list{grid-template-columns:repeat(2,1fr)}
.article-info h3{font-size:14px}
}@media (max-width:480px){.article-list{grid-template-columns:1fr}
}h1,h3{color:#1a1a1a;padding-bottom:10px;border-bottom:2px solid var(--light-gray);position:relative}
h1::after,h3::after{content:'';position:absolute;bottom:-2px;left:0;width:60px;height:2px;background:linear-gradient(90deg,var(--primary-color),transparent)}
h1{font-size:28px;margin-bottom:15px}
h3{font-size:18px;margin-bottom:20px}
.sidebar-section h3{margin-bottom:12px}
.topics-section h3{margin-bottom:25px}
.banner{background-color:var(--bg-color);border-radius:var(--border-radius);margin:var(--spacing-lg) auto;width:100%;max-width:var(--max-width);padding:var(--spacing-lg);box-shadow:var(--box-shadow);text-align:center;font-size:var(--font-size-sm);color:var(--text-light)}
.article{background-color:var(--bg-color);border-radius:var(--border-radius);padding:var(--spacing-lg);margin-bottom:var(--spacing-lg);box-shadow:var(--card-shadow)}
.article-header{margin-bottom:var(--spacing-lg)}
.article-meta{margin:var(--spacing-sm) 0;color:var(--text-light);font-size:var(--font-size-sm)}
.article-content{line-height:1.6;margin-bottom:var(--spacing-lg)}
.article-image{margin:var(--spacing-lg) 0}
.article-image figcaption{margin:0;padding:var(--spacing-sm) var(--spacing-md);color:var(--text-light);font-size:var(--font-size-sm);text-align:center;background-color:var(--light-gray);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topics-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.topics-grid .topic-item{margin-bottom:0;text-align:left;background-color:#f8f9fa;border-radius:4px;padding:8px 12px;color:#333;text-decoration:none;display:block;font-size:14px}
.topics-grid .topic-item:visited{color:#333}
.topic-item:hover{color:var(--primary-color)}
.slider-item{margin-bottom:10px}
.slider-item h4{margin:8px 0 0;font-size:16px;line-height:1.4;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.topics-section{background-color:var(--bg-color);margin-top:15px}
.danlan-fake{margin-top:0;padding:0;border:none}
.danlan-real{margin-top:0;padding:0;border:none}