:root{--primary:#1a5276;--primary-dark:#0e2f44;--primary-light:#2980b9;--accent:#e74c3c;--accent-light:#f1948a;--bg-dark:#1a1a2e;--bg-navbar:#16213e;--bg-body:#f8f9fa;--bg-card:#ffffff;--bg-card-hover:#f0f4f8;--text-primary:#2c3e50;--text-secondary:#555555;--text-light:#ffffff;--text-muted:#888888;--border-color:#e0e0e0;--border-light:#eef2f7;--shadow-sm:0 1px 3px rgba(0, 0, 0, 0.08);--shadow-md:0 4px 12px rgba(0, 0, 0, 0.1);--shadow-lg:0 8px 24px rgba(0, 0, 0, 0.12);--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:2rem;--spacing-xl:3rem;--font-sans:'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;--font-mono:'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;--transition:all 0.3s ease;}@media (prefers-color-scheme:dark){:root{--bg-dark:#0a0a1a;--bg-navbar:#0f1a2e;--bg-body:#1a1a2e;--bg-card:#16213e;--bg-card-hover:#1c2a4a;--text-primary:#e8e8e8;--text-secondary:#b0b0b0;--text-muted:#777777;--border-color:#2a3a5c;--border-light:#1e2d4a;--shadow-sm:0 1px 3px rgba(0, 0, 0, 0.3);--shadow-md:0 4px 12px rgba(0, 0, 0, 0.4);--shadow-lg:0 8px 24px rgba(0, 0, 0, 0.5);}}*{box-sizing:border-box;}body{font-family:var(--font-sans);font-size:15px;line-height:1.7;color:var(--text-primary);background-color:var(--bg-body);margin:0;padding:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;}a{color:var(--primary-light);text-decoration:none;transition:var(--transition);}a:hover{color:var(--primary);text-decoration:underline;}.skip-link{position:absolute;top:-100%;left:0;z-index:10000;padding:8px 16px;background:var(--primary);color:#fff;font-weight:600;text-decoration:none;border-radius:0 0 4px 0;}.skip-link:focus{top:0;color:#fff;text-decoration:none;}:focus-visible{outline:2px solid var(--primary-light);outline-offset:2px;}@media (prefers-reduced-motion:reduce){*, *::before, *::after{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;scroll-behavior:auto !important;}.gallery-scroll{scroll-behavior:auto !important;}}img{max-width:100%;height:auto;width:auto;}.env-gallery{display:flex;flex-wrap:wrap;}.env-gallery [class*="col-"]{display:flex;}.env-gallery [class*="col-"] img{width:100% !important;height:200px !important;object-fit:cover !important;border-radius:8px;box-shadow:0 2px 8px rgba(0, 0, 0, 0.1);}.gallery-wrap{position:relative;margin-bottom:var(--spacing-lg);display:flex;align-items:center;gap:8px;}.gallery-scroll{overflow-x:auto;overflow-y:hidden;white-space:nowrap;scroll-behavior:smooth;padding:4px 0;flex:1;-webkit-overflow-scrolling:touch;}.gallery-scroll::-webkit-scrollbar{height:6px;}.gallery-scroll::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px;}.gallery-scroll::-webkit-scrollbar-track{background:transparent;}.gallery-item{display:inline-block;width:220px;height:180px;margin-right:8px;border-radius:8px;overflow:hidden;box-shadow:0 2px 8px rgba(0, 0, 0, 0.1);transition:transform 0.3s ease, box-shadow 0.3s ease;text-decoration:none;vertical-align:top;}.gallery-item:last-child{margin-right:0;}.gallery-item:hover{transform:scale(1.03);box-shadow:0 4px 16px rgba(0, 0, 0, 0.15);}.gallery-item .gallery-img{width:100%;height:100%;object-fit:cover;display:block;}.gallery-btn{flex:0 0 36px;height:36px;border-radius:50%;border:1px solid var(--border-color);background:var(--bg-card);color:var(--text-primary);font-size:20px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all 0.2s ease;z-index:2;padding:0;}.gallery-btn:hover{background:var(--primary-light);color:#fff;border-color:var(--primary-light);}.gallery-counter{text-align:center;font-size:13px;color:var(--text-secondary);margin-top:-12px;margin-bottom:var(--spacing-md);}.team-photo{width:120px !important;height:120px !important;object-fit:cover !important;border-radius:50%;flex-shrink:0;max-width:none !important;}.team-card-grid .team-list-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--spacing-lg);text-align:center;display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md);box-shadow:var(--shadow-sm);transition:var(--transition);height:100%;}.team-card-grid .team-list-item:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}.team-card-grid .team-list-info{text-align:center;}.team-card-grid .team-list-name{font-size:1.1rem;font-weight:600;margin-bottom:var(--spacing-xs);}.team-card-grid .team-list-role{font-size:13px;color:var(--primary-light);font-weight:500;}.team-card-grid .team-list-detail{font-size:13px;color:var(--text-secondary);line-height:1.5;margin-top:var(--spacing-sm);}.team-card-grid [class*="col-"]{display:flex;}.team-card-grid .team-list-item{min-height:320px;justify-content:space-between;}h1, h2, h3, h4, h5, h6{font-weight:600;line-height:1.3;margin-top:0;color:var(--text-primary);}h1{font-size:2rem;}h2{font-size:1.6rem;}h3{font-size:1.3rem;}h4{font-size:1.1rem;}p{margin:0 0 var(--spacing-md) 0;}.container{max-width:1140px;margin:0 auto;padding:0 15px;}.main-content{min-height:60vh;padding-top:var(--spacing-xl);padding-bottom:var(--spacing-xl);}#header{position:sticky;top:0;z-index:1000;}.bg-navbar{background:var(--bg-navbar) !important;border-bottom:3px solid var(--primary-light);padding:0.5rem 0;}.navbar-brand{display:flex;align-items:center;padding:0;}.navbar-brand .logo{height:40px;width:auto;margin-right:8px;}.navbar-nav .nav-link{padding:0.4rem 0.6rem;}.navbar-nav .nav-link a{color:#e0e0e0;font-size:14px;font-weight:600;letter-spacing:0.8px;text-transform:uppercase;padding:4px 12px;border-radius:var(--radius-sm);transition:var(--transition);}.navbar-nav .nav-link a:hover{color:#ffffff;background:rgba(255, 255, 255, 0.1);text-decoration:none;}.navbar-toggler{border-color:rgba(255, 255, 255, 0.3);}.navbar-toggler-icon{background-image:url("data:image/svg+xml, %3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");}#footer{background:var(--bg-navbar);border-top:3px solid var(--primary-light);padding:0.8rem 0;margin-top:var(--spacing-xl);}#footer .navbar-nav .nav-link a{color:#888888;font-size:12px;text-transform:none;}#footer .navbar-nav .nav-link a:hover{color:#ffffff;background:transparent;}#footer .visitor-count{color:#ffffff;font-size:12px;}.hero-section{background:linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--bg-navbar) 100%);color:var(--text-light);padding:0;margin-bottom:var(--spacing-xl);border-radius:var(--radius-lg);text-align:center;}.hero-overlay{background:linear-gradient(135deg, rgba(0, 30, 80, 0.65) 0%, rgba(0, 60, 120, 0.50) 100%);padding:calc(var(--spacing-xl) * 1.5) 0;border-radius:var(--radius-lg);}.hero-section h1{color:#ffffff;font-size:2.2rem;margin-bottom:var(--spacing-md);}.hero-section p{color:#d0d8e8;font-size:1.1rem;max-width:800px;margin:0 auto;}.recruitment-section{margin-top:var(--spacing-lg);}.recruit-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--spacing-lg);margin-bottom:var(--spacing-lg);box-shadow:var(--shadow-sm);border-left:5px solid var(--primary-light);transition:box-shadow 0.3s;}.recruit-card:hover{box-shadow:var(--shadow-md);}.recruit-phd{border-left-color:#e67e22;}.recruit-header{display:flex;align-items:center;gap:12px;margin-bottom:var(--spacing-md);flex-wrap:wrap;}.recruit-badge{display:inline-block;padding:3px 12px;border-radius:20px;font-size:13px;font-weight:600;color:#fff;background:var(--primary-light);}.recruit-phd .recruit-badge{background:#e67e22;}.recruit-title{font-size:1.1rem;font-weight:600;color:var(--text-primary);}.recruit-quota{font-size:13px;color:var(--text-muted);margin-left:auto;}.recruit-quota strong{color:#e74c3c;font-size:18px;font-weight:700;background:#fde8e8;padding:1px 10px;border-radius:4px;}.recruit-table{width:100%;border-collapse:collapse;font-size:14px;}.recruit-table thead th{background:var(--bg-body);padding:10px 12px;text-align:left;font-weight:600;color:var(--text-secondary);border-bottom:2px solid var(--border-color);}.recruit-table tbody td{padding:10px 12px;border-bottom:1px solid var(--border-light);color:var(--text-primary);}.recruit-table tbody tr:hover{background:var(--bg-card-hover);}.col-rank{width:40px;}.col-name{width:100px;}.col-gender{width:60px;}.recruit-footer{margin-top:var(--spacing-sm);padding-top:var(--spacing-sm);text-align:right;font-size:13px;color:var(--text-muted);border-top:1px solid var(--border-light);}.recruit-empty{padding:20px;text-align:center;color:var(--text-muted);font-size:14px;}@media (max-width:576px){.recruit-table{font-size:12px;}.recruit-table thead th, .recruit-table tbody td{padding:6px 8px;}.recruit-header{gap:8px;}}.col-level{width:120px;}.level-cell{white-space:nowrap;}.level-tag{display:inline-block;padding:2px 8px;margin:1px 2px;border-radius:10px;font-size:11px;font-weight:600;line-height:1.4;}.level-211{background:#e8f5e9;color:#2e7d32;border:1px solid #a5d6a7;}.level-985{background:#e3f2fd;color:#1565c0;border:1px solid #90caf9;}.level-双一流高校{background:#fff3e0;color:#e65100;border:1px solid #ffcc80;}.level-none{color:var(--text-muted);font-size:12px;}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--spacing-lg);margin-bottom:var(--spacing-lg);box-shadow:var(--shadow-sm);transition:var(--transition);}.card:hover{box-shadow:var(--shadow-md);border-color:var(--primary-light);}.card-title{font-size:1.2rem;font-weight:600;margin-bottom:var(--spacing-sm);color:var(--text-primary);}.card-text{color:var(--text-secondary);font-size:14px;line-height:1.6;}.card-link{color:var(--primary-light);font-weight:500;}.page-title{font-size:2rem;font-weight:700;margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-sm);border-bottom:2px solid var(--primary-light);color:var(--text-primary);}.section-title{font-size:1.5rem;font-weight:600;margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-sm);border-bottom:1px solid var(--border-light);color:var(--text-primary);}.subsection-title{font-size:1.2rem;font-weight:600;margin-top:var(--spacing-lg);margin-bottom:var(--spacing-md);color:var(--primary);}.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:0;}@media (max-width:768px){.news-grid{grid-template-columns:1fr;}}.news-card{position:relative;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:all 0.3s ease;overflow:hidden;}.news-card:hover{box-shadow:var(--shadow-md);border-color:var(--accent-light);transform:translateY(-4px);}.news-card:hover .news-title{color:var(--accent);}.news-images{display:grid;grid-template-columns:1fr 1fr;gap:4px;}.news-image-wrap{min-width:0;display:flex;}.news-image-wrap a{display:block;width:100%;cursor:zoom-in;}.news-image-wrap:only-child{grid-column:1 / -1;}.news-image-wrap:first-child:nth-last-child(2), .news-image-wrap:first-child:nth-last-child(2) ~ .news-image-wrap{grid-column:1 / -1;}.news-thumb{width:100%;height:200px;object-fit:contain;object-position:center;display:block;transition:transform 0.3s ease;background:var(--bg-card-hover);}.news-image-wrap:not(:only-child) .news-thumb{height:150px;}.news-card:hover .news-thumb{transform:scale(1.03);}.news-card.no-image .news-image-placeholder{height:120px;background:linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);display:flex;align-items:center;justify-content:center;font-size:40px;color:rgba(255, 255, 255, 0.2);position:relative;overflow:hidden;}.news-card.no-image .news-image-placeholder::before{content:"📄";font-size:48px;opacity:0.6;}.news-card.no-image .news-image-placeholder::after{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 60%);}.news-body{padding:14px 16px 16px;line-height:1.6;display:flex;flex-wrap:wrap;align-items:center;gap:6px;}.news-title{font-size:14px;color:var(--text-primary);transition:color 0.3s;flex:1 1 100%;min-width:0;margin:2px 0;}.tag-date{color:var(--text-muted);font-weight:600;}.news-summary{flex:1 1 100%;font-size:13px;color:var(--text-secondary);line-height:1.6;margin:2px 0 0 0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}.news-tag{display:inline-block;font-size:11px;font-weight:700;padding:2px 10px;border-radius:20px;letter-spacing:0.3px;white-space:nowrap;color:#c0392b;}.news-readmore{display:inline-block;font-size:13px;font-weight:600;color:var(--primary-light);margin-top:4px;transition:all 0.2s;flex:1 1 100%;}.news-readmore:hover{color:var(--accent);text-decoration:none;transform:translateX(4px);}.btn-more{display:inline-block;padding:10px 28px;background:linear-gradient(135deg, var(--primary), var(--primary-light));color:#fff;font-size:14px;font-weight:600;border-radius:30px;transition:all 0.3s;box-shadow:0 4px 12px rgba(26, 82, 118, 0.25);}.btn-more:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(26, 82, 118, 0.35);color:#fff;text-decoration:none;}.news-tag, .btn-year{user-select:none;}.comp-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:0 0 30px;}@media (max-width:768px){.comp-grid{grid-template-columns:1fr;}}.comp-card{position:relative;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;transition:transform 0.2s ease, box-shadow 0.2s ease;display:flex;flex-direction:column;}.comp-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}.comp-image-wrap{width:100%;height:180px;overflow:hidden;background:var(--bg-muted);}.comp-image{width:100%;height:100%;object-fit:cover;}.comp-body{padding:18px 20px 20px;flex:1;display:flex;flex-direction:column;}.comp-header{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap;}.comp-badge{display:inline-block;padding:3px 10px;border-radius:12px;font-size:12px;font-weight:600;line-height:1.5;}.comp-badge-open{background:#d4edda;color:#155724;}.comp-badge-upcoming{background:#cce5ff;color:#004085;}.comp-badge-closed{background:#e2e3e5;color:#383d41;}.comp-deadline{font-size:12px;color:var(--text-muted);}.comp-title{font-size:1.05rem;font-weight:600;margin:0 0 6px;color:var(--text-primary);line-height:1.4;}.comp-organizer{font-size:13px;color:var(--text-muted);margin:0 0 10px;}.comp-desc{font-size:14px;color:var(--text-secondary);line-height:1.6;margin:0 0 16px;flex:1;}.comp-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:auto;}.comp-btn{display:inline-block;padding:7px 16px;border-radius:20px;font-size:13px;font-weight:500;text-decoration:none;transition:all 0.2s;cursor:pointer;border:none;}.comp-btn:hover{text-decoration:none;}.comp-btn-outline{background:transparent;border:1px solid var(--primary);color:var(--primary);}.comp-btn-outline:hover{background:var(--primary);color:#fff;}.comp-btn-primary{background:linear-gradient(135deg, var(--primary), var(--primary-light));color:#fff;box-shadow:0 2px 8px rgba(26, 82, 118, 0.2);}.comp-btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(26, 82, 118, 0.3);color:#fff;}.comp-footer{margin-top:40px;}.comp-footer-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:28px 32px;box-shadow:var(--shadow-sm);}.comp-footer-card h3{font-size:1.2rem;font-weight:600;margin:0 0 16px;color:var(--text-primary);}.comp-contact{margin:8px 0;font-size:14px;}.comp-contact-label{font-weight:600;color:var(--text-primary);}.comp-contact-email{color:var(--accent);font-weight:600;font-size:16px;}.comp-contact-note{margin-top:16px;font-size:14px;color:var(--text-muted);font-style:italic;}.papers-list{list-style:none;padding:0;}.papers-item{padding:var(--spacing-md) 0;border-bottom:1px solid var(--border-light);line-height:1.7;}.papers-item:last-child{border-bottom:none;}.paper-authors{font-size:13px;color:var(--text-secondary);}.paper-title{font-weight:600;color:var(--text-primary);}.paper-venue{font-size:13px;color:var(--text-muted);font-style:italic;}.paper-tags{display:inline-block;font-size:11px;color:var(--primary-light);margin-left:4px;}.ccf-rank{font-weight:600;font-size:12px;margin-left:4px;}.ccf-rank-a{color:#c0392b;}.ccf-rank-b{color:#2980b9;}.ccf-rank-c{color:#27ae60;}.ccf-rank-1{color:#8e44ad;}.ccf-rank-2{color:#d35400;}.ccf-rank-ieee{color:#1a5276;}.paper-link{display:inline-block;font-size:11px;font-weight:600;padding:1px 6px;margin:0 2px;border-radius:3px;text-decoration:none;transition:all 0.2s;}a.paper-link{color:#fff;}a.paper-link[title*="PDF"]{background:#c0392b;}a.paper-link[title*="DOI"]{background:#2980b9;}a.paper-link[title*="Code"]{background:#27ae60;}a.paper-link:hover{opacity:0.85;text-decoration:none;transform:translateY(-1px);}.btn-copy-papers{display:inline-block;margin-left:12px;padding:2px 10px;font-size:12px;color:#666;background:#f5f5f5;border:1px solid #ddd;border-radius:4px;cursor:pointer;vertical-align:middle;transition:background 0.2s;}.btn-copy-papers:hover{background:#e8e8e8;color:#333;}.btn-copy-papers:active{background:#ddd;}.copy-toast{position:fixed;bottom:30px;right:30px;padding:12px 24px;background:#333;color:#fff;border-radius:6px;font-size:14px;z-index:9999;box-shadow:0 4px 12px rgba(0, 0, 0, 0.2);animation:toast-fadein 0.3s ease;}@keyframes toast-fadein{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}.team-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(280px, 1fr));gap:var(--spacing-lg);margin-bottom:var(--spacing-xl);}.team-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--spacing-lg);box-shadow:var(--shadow-sm);transition:var(--transition);}.team-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}.team-name{font-size:1.1rem;font-weight:600;margin-bottom:var(--spacing-xs);color:var(--text-primary);}.team-role{font-size:13px;color:var(--primary-light);font-weight:500;margin-bottom:var(--spacing-sm);}.team-info{font-size:13px;color:var(--text-secondary);line-height:1.5;}.team-link{display:inline-block;margin-top:var(--spacing-sm);font-size:13px;}.blog-list{list-style:none;padding:0;}.blog-item{padding:var(--spacing-lg) 0;border-bottom:1px solid var(--border-light);}.blog-item:last-child{border-bottom:none;}.blog-title{font-size:1.3rem;font-weight:600;margin-bottom:var(--spacing-xs);}.blog-title a{color:var(--text-primary);}.blog-title a:hover{color:var(--primary-light);}.blog-meta{font-size:13px;color:var(--text-muted);margin-bottom:var(--spacing-sm);}.blog-excerpt{color:var(--text-secondary);font-size:14px;line-height:1.6;}.blog-tags{margin-top:var(--spacing-sm);}.badge-tag{display:inline-block;background:var(--border-light);color:var(--primary);font-size:11px;padding:3px 10px;border-radius:20px;margin-right:4px;transition:var(--transition);}.badge-tag:hover{background:var(--primary);color:#ffffff;text-decoration:none;}.blog-item-inner{display:flex;gap:var(--spacing-lg);align-items:flex-start;}.blog-thumb{flex-shrink:0;width:180px;aspect-ratio:16 / 10;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-card-hover);}.blog-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 0.3s ease;}.blog-thumb a:hover img{transform:scale(1.05);}.blog-thumb-placeholder{display:flex;align-items:center;justify-content:center;font-size:2rem;color:var(--text-muted);}.blog-thumb-placeholder a{display:flex;align-items:center;justify-content:center;width:100%;height:100%;text-decoration:none;color:var(--text-muted);}.blog-item-body{flex:1;min-width:0;}@media (max-width:576px){.blog-item-inner{flex-direction:column;}.blog-thumb{width:100%;aspect-ratio:16 / 8;}}.post-single{background:var(--bg-card);border-radius:var(--radius-md);padding:var(--spacing-xl);box-shadow:var(--shadow-sm);}.post-header{margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--border-light);}.post-title{font-size:1.8rem;font-weight:700;margin-bottom:var(--spacing-sm);}.post-meta{font-size:14px;color:var(--text-muted);}.post-reading-time{white-space:nowrap;}.post-featured-image{margin-bottom:var(--spacing-lg);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);}.post-featured-image img{display:block;width:100%;height:auto;max-height:420px;object-fit:cover;}.post-paper-meta{background:var(--bg-card-hover);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--spacing-md) var(--spacing-lg);margin-bottom:var(--spacing-lg);}.paper-meta-title{font-size:13px;font-weight:600;color:var(--text-muted);margin-bottom:var(--spacing-sm);text-transform:uppercase;letter-spacing:0.5px;}.paper-meta-item{padding:var(--spacing-sm) 0;border-bottom:1px solid var(--border-light);}.paper-meta-item:last-child{border-bottom:none;}.paper-meta-name{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:4px;}.paper-meta-details{font-size:12px;color:var(--text-secondary);display:flex;flex-wrap:wrap;gap:12px;}.paper-meta-details a{color:var(--primary);}.paper-meta-details a:hover{text-decoration:underline;}.post-toc{background:var(--bg-card-hover);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--spacing-md) var(--spacing-lg);margin-bottom:var(--spacing-lg);}.toc-title{font-size:13px;font-weight:600;color:var(--text-muted);margin-bottom:var(--spacing-sm);text-transform:uppercase;letter-spacing:0.5px;}.toc-list{list-style:none;padding:0;margin:0;}.toc-list li{padding:3px 0;}.toc-list a{font-size:14px;color:var(--primary);text-decoration:none;display:block;padding:2px 0;transition:color 0.2s ease;}.toc-list a:hover{color:var(--primary-light);text-decoration:underline;}.post-content figure{margin:var(--spacing-lg) 0;text-align:center;}.post-content figure img{display:block;margin:0 auto;}.post-content figcaption{font-size:13px;color:var(--text-muted);margin-top:var(--spacing-xs);line-height:1.5;}.post-content{line-height:1.8;font-size:15px;}.post-content h2{margin-top:var(--spacing-xl);margin-bottom:var(--spacing-md);}.post-content h3{margin-top:var(--spacing-lg);margin-bottom:var(--spacing-md);}.post-content p{margin-bottom:var(--spacing-md);}.post-content ul, .post-content ol{margin-bottom:var(--spacing-md);padding-left:1.5rem;}.post-content li{margin-bottom:var(--spacing-xs);}.post-content blockquote{border-left:4px solid var(--primary-light);background:var(--bg-card-hover);padding:var(--spacing-md) var(--spacing-lg);margin:var(--spacing-md) 0;border-radius:var(--radius-sm);color:var(--text-secondary);}.post-content code{font-family:var(--font-mono);background:var(--bg-card-hover);padding:2px 6px;border-radius:3px;font-size:13px;color:var(--accent);}.post-content pre{background:#1e1e2e;color:#d4d4d4;padding:var(--spacing-lg);border-radius:var(--radius-md);overflow-x:auto;margin-bottom:var(--spacing-lg);font-size:13px;line-height:1.5;}.post-content pre code{background:transparent;padding:0;color:#d4d4d4;font-size:13px;}.post-content img{border-radius:var(--radius-md);margin:var(--spacing-md) 0;box-shadow:var(--shadow-sm);}.post-content table{width:100%;border-collapse:collapse;margin-bottom:var(--spacing-lg);}.post-content th, .post-content td{border:1px solid var(--border-color);padding:var(--spacing-sm) var(--spacing-md);text-align:left;}.post-content th{background:var(--bg-card-hover);font-weight:600;}.contact-section{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--spacing-xl);margin-top:var(--spacing-lg);box-shadow:var(--shadow-sm);}.contact-email{font-size:1.1rem;color:var(--primary-light);font-weight:600;}.footer-qr-img{width:28px;height:28px;border-radius:50%;object-fit:cover;opacity:0.8;transition:opacity 0.3s;cursor:pointer;vertical-align:middle;}.footer-qr-img:hover{opacity:1;}.contact-qr-img{width:180px;height:180px;border:3px solid var(--border-color);border-radius:var(--radius-md);padding:8px;background:#fff;box-shadow:var(--shadow-sm);transition:transform 0.3s, box-shadow 0.3s;}.contact-qr-img:hover{transform:scale(1.05);box-shadow:var(--shadow-md);}.wechat-qr-card{display:inline-block;text-align:center;}.links-section{display:grid;grid-template-columns:repeat(3, 1fr);gap:12px;margin-top:var(--spacing-lg);}.link-badge{display:flex;align-items:center;justify-content:center;padding:14px 12px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:14px;text-decoration:none;text-align:center;transition:all 0.3s ease;}.link-badge:hover{background:var(--primary);border-color:var(--primary);color:#fff;text-decoration:none;box-shadow:var(--shadow-md);transform:translateY(-2px);}.year-filter{margin-bottom:var(--spacing-lg);}.year-filter .btn-year{display:inline-block;background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-primary);padding:4px 14px;border-radius:20px;margin:2px 4px;font-size:13px;transition:var(--transition);cursor:pointer;}.year-filter .btn-year:hover, .year-filter .btn-year.active{background:var(--primary);border-color:var(--primary);color:#ffffff;text-decoration:none;}.feature-section{margin-bottom:var(--spacing-xl);}.feature-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(340px, 1fr));gap:var(--spacing-lg);}.feature-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--spacing-lg);box-shadow:var(--shadow-sm);transition:var(--transition);}.feature-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}.feature-icon{font-size:2rem;margin-bottom:var(--spacing-sm);color:var(--primary-light);}.feature-title{font-size:1.1rem;font-weight:600;margin-bottom:var(--spacing-sm);}.feature-desc{color:var(--text-secondary);font-size:14px;line-height:1.6;}.research-area{margin-bottom:var(--spacing-xl);}.research-area h3{color:var(--primary);margin-bottom:var(--spacing-md);}@media (max-width:768px){.hero-section{padding:var(--spacing-lg) var(--spacing-md);}.hero-section h1{font-size:1.5rem;}.hero-section p{font-size:0.95rem;}.page-title{font-size:1.5rem;}.team-grid{grid-template-columns:1fr;}.feature-grid{grid-template-columns:1fr;}.news-item{flex-direction:column;gap:var(--spacing-xs);}.post-single{padding:var(--spacing-md);}.post-title{font-size:1.3rem;}.navbar-brand span{font-size:14px !important;}}@media (max-width:480px){.hero-section h1{font-size:1.2rem;}.container{padding:0 10px;}}.toolbar{margin-bottom:var(--spacing-lg);padding:var(--spacing-md);background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);display:flex;flex-wrap:wrap;align-items:center;gap:var(--spacing-sm);}.toolbar label{font-size:14px;font-weight:600;color:var(--text-primary);margin-right:var(--spacing-sm);}.video-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(300px, 1fr));gap:var(--spacing-lg);}.video-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition);cursor:pointer;}.video-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);}.video-card:active{transform:translateY(-2px);}.video-card-thumb{position:relative;width:100%;padding-top:56.25%;background:var(--bg-dark);overflow:hidden;}.video-card-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform 0.3s ease;}.video-card:hover .video-card-thumb img{transform:scale(1.05);}.video-card-play-icon{position:absolute;top:50%;left:50%;transform:translate(-50%, -50%);width:60px;height:60px;background:rgba(0, 0, 0, 0.55);border:3px solid rgba(255, 255, 255, 0.85);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:28px;transition:all 0.25s ease;z-index:2;padding-left:4px;}.video-card:hover .video-card-play-icon{background:rgba(231, 76, 60, 0.85);border-color:#fff;transform:translate(-50%, -50%) scale(1.1);}.video-card:active .video-card-play-icon{transform:translate(-50%, -50%) scale(1.05);}.video-card-duration{position:absolute;bottom:8px;right:8px;background:rgba(0, 0, 0, 0.75);color:#fff;font-size:12px;font-weight:600;padding:2px 8px;border-radius:4px;z-index:2;letter-spacing:0.5px;backdrop-filter:blur(2px);}.video-card-thumb-placeholder{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg, var(--primary-dark), var(--primary-light));display:flex;align-items:center;justify-content:center;font-size:48px;color:rgba(255, 255, 255, 0.25);}.video-card-body{padding:var(--spacing-md);}.video-card-title{font-size:1rem;font-weight:600;margin-bottom:var(--spacing-xs);color:var(--text-primary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4;}.video-card-desc{font-size:13px;color:var(--text-secondary);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}.video-card-date{font-size:12px;color:var(--text-muted);margin-top:var(--spacing-sm);}.video-modal .modal-dialog{max-width:900px;margin:30px auto;}.video-modal .modal-content{background:var(--bg-card);border:none;border-radius:var(--radius-md);overflow:hidden;box-shadow:0 20px 60px rgba(0, 0, 0, 0.3);}.video-modal .modal-header{border-bottom:1px solid var(--border-color);padding:var(--spacing-md) var(--spacing-lg);display:flex;align-items:center;justify-content:space-between;}.video-modal .modal-title{font-size:1.1rem;font-weight:600;color:var(--text-primary);line-height:1.4;}.video-modal .close{font-size:1.5rem;color:var(--text-primary);opacity:0.5;transition:opacity 0.2s ease;background:none;border:none;cursor:pointer;padding:0;line-height:1;}.video-modal .close:hover{opacity:1;}.video-modal .modal-body{padding:0;background:#000;line-height:0;position:relative;}.video-loading-overlay{display:none;position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0, 0, 0, 0.7);z-index:10;flex-direction:column;align-items:center;justify-content:center;color:#fff;font-size:14px;gap:12px;line-height:1.4;}.video-spinner{width:40px;height:40px;border:3px solid rgba(255, 255, 255, 0.2);border-top-color:#fff;border-radius:50%;animation:video-spin 0.8s linear infinite;}@keyframes video-spin{to{transform:rotate(360deg);}}.video-error-msg{display:none;position:absolute;top:50%;left:50%;transform:translate(-50%, -50%);background:rgba(0, 0, 0, 0.8);color:#ff6b6b;padding:16px 24px;border-radius:8px;font-size:14px;z-index:10;white-space:nowrap;line-height:1.4;}.video-modal video{display:block;width:100%;height:auto;max-height:75vh;background:#000;outline:none;}.video-modal .modal-footer{border-top:1px solid var(--border-color);padding:var(--spacing-sm) var(--spacing-lg);color:var(--text-secondary);font-size:13px;line-height:1.5;}@media (prefers-color-scheme:dark){.video-modal .modal-content{background:var(--bg-card);}.video-modal .modal-header{border-bottom-color:var(--border-color);}.video-modal .modal-footer{border-top-color:var(--border-color);}}@media (max-width:992px){.video-grid{grid-template-columns:repeat(auto-fill, minmax(280px, 1fr));gap:var(--spacing-md);}}@media (max-width:768px){.video-grid{grid-template-columns:repeat(auto-fill, minmax(240px, 1fr));gap:var(--spacing-md);}.video-modal .modal-dialog{margin:10px;}.video-modal .modal-header{padding:var(--spacing-sm) var(--spacing-md);}.video-modal .modal-title{font-size:1rem;}}@media (max-width:480px){.video-grid{grid-template-columns:1fr;}.video-card-play-icon{width:50px;height:50px;font-size:22px;}}@media print{#header, #footer, .giscus{display:none;}.main-content{padding:0;}a{color:var(--text-primary) !important;}}