/* EduVerse - Blue Academic Education Theme */
/* Primary: #1565c0, Light: #e3f2fd, Dark: #0d47a1, BG: #f5f7fa */
[v-cloak]{display:none}*{box-sizing:border-box}
body{font-family:'Open Sans','Helvetica Neue',Arial,'Noto Sans SC',sans-serif;background:#f5f7fa;color:#263238;font-size:15px;margin:0;-webkit-font-smoothing:antialiased}
a{color:#1565c0;text-decoration:none;transition:color .2s}a:hover{color:#0d47a1;text-decoration:none}
img{max-width:100%;height:auto}.container{max-width:1180px;margin:0 auto;padding:0 15px}
/* Header - Top blue bar */
.ev-header{background:linear-gradient(135deg,#1565c0 0%,#0d47a1 100%);position:sticky;top:0;z-index:999;box-shadow:0 2px 12px rgba(13,71,161,.15)}
.ev-header-inner{display:flex;align-items:center;justify-content:space-between;height:66px;padding:0 15px;max-width:1180px;margin:0 auto}
.ev-logo a{font-size:22px;font-weight:700;color:#fff;letter-spacing:-.3px}
.ev-logo a span{color:#90caf9}
.ev-nav-list{display:flex;list-style:none;margin:0;padding:0}
.ev-nav-list>li{position:relative}
.ev-nav-list>li>a{display:block;padding:0 16px;line-height:66px;font-size:14px;font-weight:500;color:rgba(255,255,255,.85);transition:all .2s}
.ev-nav-list>li>a:hover,.ev-nav-list>li.active>a{color:#fff;background:rgba(255,255,255,.1)}
.ev-nav-list>li.active>a{border-bottom:3px solid #90caf9}
.ev-nav-list>li .ev-dropdown{display:none;position:absolute;top:100%;left:0;background:#fff;min-width:170px;border-radius:0 0 8px 8px;padding:8px 0;z-index:1000;box-shadow:0 8px 24px rgba(0,0,0,.1);border-top:3px solid #1565c0}
.ev-nav-list>li:hover .ev-dropdown{display:block}
.ev-dropdown li a{display:block;padding:8px 18px;font-size:13px;color:#263238}.ev-dropdown li a:hover{background:#e3f2fd;color:#1565c0}
.ev-search{display:flex}.ev-search form{display:flex}
.ev-search-input{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.2);border-radius:4px 0 0 4px;padding:7px 14px;font-size:13px;width:170px;outline:none;color:#fff;font-family:inherit}
.ev-search-input::placeholder{color:rgba(255,255,255,.5)}.ev-search-input:focus{background:rgba(255,255,255,.25);border-color:rgba(255,255,255,.4)}
.ev-search-btn{background:#90caf9;border:none;color:#0d47a1;padding:7px 14px;border-radius:0 4px 4px 0;cursor:pointer;font-size:13px;font-weight:600;font-family:inherit}
.ev-menu-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.3);color:#fff;font-size:20px;cursor:pointer;padding:4px 10px;border-radius:4px}
/* Main */
.ev-main{padding:30px 0;min-height:60vh}
.ev-row{display:flex;flex-wrap:wrap;margin:0 -12px}
.ev-col-8{flex:0 0 66.666%;max-width:66.666%;padding:0 12px}
.ev-col-4{flex:0 0 33.333%;max-width:33.333%;padding:0 12px}
/* Section Titles */
.ev-section-title{font-size:22px;font-weight:700;color:#1565c0;margin-bottom:24px;padding-left:14px;border-left:4px solid #1565c0;line-height:1.3}
.ev-section-title-sm{font-size:17px;font-weight:700;color:#1565c0;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid #e3f2fd}
/* Hero Banner */
.ev-hero{background:linear-gradient(135deg,#1565c0,#0d47a1);border-radius:10px;padding:40px;margin-bottom:30px;color:#fff;position:relative;overflow:hidden}
.ev-hero::after{content:'';position:absolute;top:-30%;right:-10%;width:300px;height:300px;background:rgba(255,255,255,.05);border-radius:50%;pointer-events:none}
.ev-hero-title{font-size:28px;font-weight:700;margin-bottom:10px;position:relative;z-index:1}
.ev-hero-desc{font-size:15px;opacity:.85;margin-bottom:20px;position:relative;z-index:1}
.ev-hero-btn{display:inline-block;background:#fff;color:#1565c0;padding:10px 28px;border-radius:6px;font-weight:600;font-size:14px;position:relative;z-index:1;transition:all .2s}
.ev-hero-btn:hover{background:#e3f2fd;color:#0d47a1}
/* Cards */
.ev-card{background:#fff;border-radius:8px;overflow:hidden;margin-bottom:20px;border:1px solid #e8edf3;transition:all .3s;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.ev-card:hover{box-shadow:0 6px 20px rgba(0,0,0,.08);transform:translateY(-2px)}
.ev-card-img{position:relative;aspect-ratio:16/10;overflow:hidden;background:#e3f2fd}
.ev-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.ev-card:hover .ev-card-img img{transform:scale(1.04)}
.ev-card-badge{position:absolute;top:10px;left:10px;background:#1565c0;color:#fff;padding:3px 10px;border-radius:4px;font-size:11px;font-weight:600}
.ev-card-body{padding:16px}
.ev-card-title{font-size:16px;font-weight:700;line-height:1.4;margin-bottom:8px}
.ev-card-title a{color:#263238}.ev-card-title a:hover{color:#1565c0}
.ev-card-meta{font-size:12px;color:#78909c}
.ev-card-desc{font-size:13px;color:#546e7a;margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
/* Grids */
.ev-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:30px}
.ev-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:30px}
/* Article List */
.ev-list-item{display:flex;gap:18px;padding:16px 0;border-bottom:1px solid #e8edf3}
.ev-list-item:last-child{border-bottom:none}
.ev-list-item-img{width:200px;flex-shrink:0;border-radius:6px;overflow:hidden;background:#e3f2fd}
.ev-list-item-img a{display:block;aspect-ratio:16/10;overflow:hidden}
.ev-list-item-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.ev-list-item:hover .ev-list-item-img img{transform:scale(1.05)}
.ev-list-item-content{flex:1;display:flex;flex-direction:column;justify-content:center}
.ev-list-item-content h4{font-size:16px;font-weight:700;margin:0 0 8px;line-height:1.4}
.ev-list-item-content h4 a{color:#263238}.ev-list-item-content h4 a:hover{color:#1565c0}
.ev-list-item-content .ev-desc{font-size:13px;color:#546e7a;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
/* Sidebar */
.ev-sidebar-block{background:#fff;border:1px solid #e8edf3;border-radius:8px;margin-bottom:20px;overflow:hidden}
.ev-sidebar-header{background:linear-gradient(135deg,#1565c0,#0d47a1);color:#fff;padding:12px 18px;font-size:14px;font-weight:600;display:flex;align-items:center;gap:8px}
.ev-sidebar-body{padding:0;max-height:320px;overflow-y:auto}
.ev-sidebar-body::-webkit-scrollbar{width:4px}.ev-sidebar-body::-webkit-scrollbar-thumb{background:#e3f2fd;border-radius:2px}
.ev-sidebar-list{list-style:none;padding:0;margin:0}
.ev-sidebar-list li{border-bottom:1px solid #f5f7fa}
.ev-sidebar-list li:last-child{border-bottom:none}
.ev-sidebar-list li a{display:block;padding:11px 18px;font-size:13px;color:#263238;transition:all .2s}
.ev-sidebar-list li a:hover{background:#e3f2fd;color:#1565c0;padding-left:22px}
.ev-sidebar-list li a{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ev-sidebar-list li a::before{content:'\25B8';margin-right:8px;color:#1565c0;font-size:12px}
.ev-sidebar-list li .ev-date{display:block;font-size:11px;color:#90a4ae;margin-top:2px}
/* Tags */
.ev-tags-cloud{display:flex;flex-wrap:wrap;gap:8px;padding:14px 18px}
.ev-tags-cloud a{background:#e3f2fd;color:#1565c0;padding:5px 14px;border-radius:4px;font-size:13px;transition:all .2s}
.ev-tags-cloud a:hover{background:#1565c0;color:#fff}
/* Detail */
.ev-detail{background:#fff;border-radius:8px;padding:30px;margin-bottom:24px;border:1px solid #e8edf3}
.ev-detail-title{font-size:28px;font-weight:700;color:#263238;margin-bottom:16px;line-height:1.3;word-wrap:break-word;overflow-wrap:break-word}
.ev-detail-meta{display:flex;gap:18px;padding-bottom:18px;border-bottom:2px solid #e3f2fd;margin-bottom:24px;font-size:13px;color:#78909c;flex-wrap:wrap}
.ev-detail-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.ev-detail-tags a{background:#e3f2fd;color:#1565c0;padding:4px 12px;border-radius:4px;font-size:12px}
.ev-detail-tags a:hover{background:#1565c0;color:#fff}
.ev-detail-body{font-size:16px;line-height:1.8;color:#37474f;word-wrap:break-word;overflow-wrap:break-word}
.ev-detail-body p{margin-bottom:16px}
.ev-detail-body h1,.ev-detail-body h2,.ev-detail-body h3,.ev-detail-body h4{color:#263238;margin:30px 0 15px;font-weight:700}
.ev-detail-body h2{font-size:22px;border-bottom:2px solid #e3f2fd;padding-bottom:8px}
.ev-detail-body h3{font-size:18px}
.ev-detail-body a{color:#1565c0;text-decoration:underline}
.ev-detail-body img{border-radius:6px;margin:15px 0}
.ev-detail-body blockquote{border-left:4px solid #1565c0;padding:15px 20px;margin:20px 0;background:#e3f2fd;border-radius:0 6px 6px 0}
.ev-detail-body pre{background:#263238;color:#e3f2fd;padding:20px;border-radius:6px;overflow-x:auto;font-size:14px;margin:20px 0}
.ev-detail-body code{background:#e3f2fd;padding:2px 6px;border-radius:3px;font-size:14px;color:#1565c0}
.ev-detail-body ul,.ev-detail-body ol{padding-left:30px;margin-bottom:16px}
.ev-detail-body table{width:100%;border-collapse:collapse;margin:20px 0}
.ev-detail-body th,.ev-detail-body td{border:1px solid #e8edf3;padding:10px 14px;text-align:left}
.ev-detail-body th{background:#e3f2fd;font-weight:600;color:#1565c0}
/* Breadcrumb */
.ev-breadcrumb{display:flex;gap:8px;font-size:13px;color:#78909c;margin-bottom:20px;padding:10px 0;list-style:none;flex-wrap:wrap}
.ev-breadcrumb li{display:flex;align-items:center;gap:8px}.ev-breadcrumb li::after{content:'>';color:#b0bec5}
.ev-breadcrumb li:last-child::after{display:none}.ev-breadcrumb a{color:#1565c0}
/* Page Nav */
.ev-page-nav{display:flex;justify-content:space-between;border-top:2px solid #e3f2fd;padding-top:20px;margin-top:30px;gap:20px}
.ev-page-nav-item{flex:1}.ev-page-nav-item.down{text-align:right}
.ev-page-nav-item p{font-size:12px;color:#90a4ae;margin-bottom:4px}
.ev-page-nav-item a{font-size:14px;color:#1565c0;font-weight:600}
/* Pagination */
.ev-pagination{display:flex;justify-content:center;padding:30px 0;gap:6px;flex-wrap:wrap}
.ev-pagination a,.ev-pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 10px;border:1px solid #e8edf3;border-radius:4px;font-size:14px;color:#263238;background:#fff;transition:all .2s;text-decoration:none}
.ev-pagination a:hover{border-color:#1565c0;color:#1565c0;background:#e3f2fd}
.ev-pagination .current,.ev-pagination .active{background:#1565c0;color:#fff;border-color:#1565c0}
/* Footer */
.ev-footer{background:#0d47a1;color:#fff;margin-top:50px}
.ev-footer-main{padding:40px 0 20px;display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.ev-footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:#90caf9}
.ev-footer-col ul{list-style:none;padding:0;margin:0}
.ev-footer-col ul li{margin-bottom:8px}
.ev-footer-col ul li a{color:rgba(255,255,255,.75);font-size:14px;transition:all .2s}
.ev-footer-col ul li a:hover{color:#fff;padding-left:4px}
.ev-footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.6)}
.ev-footer-bottom a{color:rgba(255,255,255,.7);margin:0 8px}.ev-footer-bottom a:hover{color:#fff}
.ev-footer-logo{text-align:center;padding:30px 0 10px}
.ev-footer-logo a{font-size:22px;font-weight:700;color:#fff}.ev-footer-logo a span{color:#90caf9}
/* Scroll Top */
.ev-scroll-top{position:fixed;bottom:30px;right:30px;width:42px;height:42px;background:#1565c0;color:#fff;border:none;border-radius:4px;cursor:pointer;display:none;align-items:center;justify-content:center;font-size:18px;z-index:999;box-shadow:0 4px 12px rgba(21,101,192,.3);transition:all .3s}
.ev-scroll-top:hover{background:#0d47a1;transform:translateY(-3px)}.ev-scroll-top.show{display:flex}
/* 404 */
.ev-404{text-align:center;padding:80px 20px}
.ev-404-num{font-size:100px;font-weight:700;color:#1565c0;line-height:1}
.ev-404-msg{font-size:16px;color:#78909c;margin:15px 0 30px}
.ev-404-link{display:inline-block;background:#1565c0;color:#fff;padding:12px 30px;border-radius:6px;font-weight:600;font-size:14px}
/* Tag */
.ev-tag-header{background:#e3f2fd;border:1px solid #bbdefb;border-radius:8px;padding:20px;margin-bottom:24px;display:flex;gap:16px;align-items:center}
.ev-tag-icon{width:48px;height:48px;background:#1565c0;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px}
.ev-tag-info h2{font-size:20px;font-weight:700;color:#263238;margin:0 0 4px}
.ev-tag-info p{font-size:14px;color:#78909c;margin:0}
.ev-tag-grid{display:flex;flex-wrap:wrap;gap:10px;padding:20px;min-height:300px}
.ev-tag-grid a{background:#e3f2fd;color:#1565c0;padding:6px 16px;border-radius:4px;font-size:14px;transition:all .2s}
.ev-tag-grid a:hover{background:#1565c0;color:#fff}
.ev-search-title{font-size:22px;font-weight:700;color:#263238;margin-bottom:20px}
/* Responsive */
@media(max-width:991px){.ev-col-8,.ev-col-4{flex:0 0 100%;max-width:100%}.ev-grid-3{grid-template-columns:repeat(2,1fr)}.ev-footer-main{grid-template-columns:1fr 1fr}.ev-search{display:none}}
@media(max-width:768px){.ev-header-inner{height:56px}.ev-menu-toggle{display:block}
.ev-nav-list{display:none;position:absolute;top:56px;left:0;right:0;background:#0d47a1;flex-direction:column;z-index:1000}
.ev-nav-list.open{display:flex}.ev-nav-list>li>a{line-height:48px;padding:0 20px;border-bottom:1px solid rgba(255,255,255,.1)}
.ev-nav-list>li.active>a{border-bottom:none;border-left:3px solid #90caf9}.ev-nav-list>li .ev-dropdown{position:static;box-shadow:none;border:none;border-radius:0;background:rgba(0,0,0,.2)}
.ev-dropdown li a{color:rgba(255,255,255,.8)}.ev-dropdown li a:hover{background:rgba(255,255,255,.1);color:#fff}
.ev-grid-3,.ev-grid-2{grid-template-columns:1fr}.ev-list-item{flex-direction:column}.ev-list-item-img{width:100%}
.ev-detail{padding:20px}.ev-detail-title{font-size:22px}.ev-footer-main{grid-template-columns:1fr;gap:30px}
.ev-hero{padding:24px}.ev-hero-title{font-size:22px}.ev-page-nav{flex-direction:column}}