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28px;font-size:15px;color:#666;text-decoration:none;position:relative;transition:color .3s;white-space:nowrap}.portfolio-tabs .tab-item i{font-size:18px}.portfolio-tabs .tab-item:hover,.portfolio-tabs .tab-item.active{color:#0cb09f}.portfolio-tabs .tab-item.active:after{content:"";position:absolute;bottom:10px;left:56%;transform:translate(-50%);width:60px;height:1px;background:#0cb09f;border-radius:2px}.portfolio-content{margin-top:20px}.portfolio-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.portfolio-grid .portfolio-item{background:#fff;border-radius:10px;overflow:hidden;cursor:pointer;transition:all .3s ease;box-shadow:0 1px 4px #0000000a}.portfolio-grid .portfolio-item:hover{transform:translateY(-3px);box-shadow:0 8px 24px #0000001a}.portfolio-grid .portfolio-item .item-cover{position:relative;width:100%;padding-top:56.25%;overflow:hidden;background:#e8e8e8}.portfolio-grid .portfolio-item .item-cover img{position:absolute;top:0;left:0;width:100%;height:100%;-o-object-fit:cover;object-fit:cover;transition:transform .4s ease}.portfolio-grid .portfolio-item .item-cover .cover-overlay{position:absolute;bottom:0;left:0;right:0;height:60%;background:linear-gradient(to top,rgba(0,0,0,.7) 0%,transparent 100%);pointer-events:none}.portfolio-grid .portfolio-item .item-cover .item-count-badge{position:absolute;top:10px;right:10px;background:#0000008c;color:#fff;font-size:12px;padding:2px 8px;border-radius:10px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.portfolio-grid .portfolio-item .item-info{padding:14px 16px 16px}.portfolio-grid .portfolio-item .item-info .item-title{font-size:15px;font-weight:600;color:#333;line-height:1.4;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.portfolio-grid .portfolio-item .item-info .item-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#999}.portfolio-grid .portfolio-item .item-info .item-meta .meta-author{display:flex;align-items:center;gap:4px}.portfolio-grid .portfolio-item .item-info .item-meta .meta-author img{width:18px;height:18px;border-radius:50%;-o-object-fit:cover;object-fit:cover}.loading-state{text-align:center;padding:80px 0;color:#bbb}.loading-state .loading-spinner{width:36px;height:36px;border:3px solid #e8e8e8;border-top-color:#0cb09f;border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 16px}.loading-state p{font-size:14px;margin:0}.empty-state{text-align:center;padding:80px 0;color:#bbb}.empty-state i{font-size:48px;margin-bottom:12px;display:block}.empty-state p{font-size:14px;margin:0}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.pagination-wrapper{display:flex;justify-content:center;margin-top:40px;margin-bottom:20px}.pagination-wrapper .pagination{display:flex;list-style:none;padding:0;margin:0;gap:8px}.pagination-wrapper .pagination .page-item .page-link{display:flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;background:#fff;border:1px solid #e0e0e0;border-radius:6px;color:#666;font-size:14px;text-decoration:none;transition:all .3s ease;cursor:pointer}.pagination-wrapper .pagination .page-item .page-link:hover{border-color:#0cb09f;color:#0cb09f}.pagination-wrapper .pagination .page-item.active .page-link{background:#0cb09f;border-color:#0cb09f;color:#fff;cursor:default}.pagination-wrapper .pagination .page-item.disabled .page-link{background:#f5f5f5;color:#ccc;cursor:default}@media (max-width: 992px){.portfolio-grid{grid-template-columns:repeat(3,1fr)}.portfolio-tabs .tab-item{padding:14px 18px;font-size:14px}}@media (max-width: 768px){.portfolio-banner{padding:35px 0 30px}.portfolio-banner .banner-title{font-size:24px}.portfolio-banner .banner-desc{font-size:13px}.portfolio-grid{grid-template-columns:repeat(2,1fr);gap:12px}.portfolio-tabs{overflow-x:auto;justify-content:flex-start;-webkit-overflow-scrolling:touch}.portfolio-tabs::-webkit-scrollbar{display:none}.portfolio-tabs .tab-item{padding:14px 16px;font-size:14px;flex-shrink:0}}