.el-carousel__item{display:inline-block;height:100%;left:0;overflow:hidden;position:absolute;top:0;width:100%}.el-carousel__item,.el-carousel__item.is-active{z-index:calc(var(--el-index-normal) - 1)}.el-carousel__item--card,.el-carousel__item.is-animating{transition:transform .4s ease-in-out}.el-carousel__item--card{width:50%}.el-carousel__item--card.is-in-stage{cursor:pointer;z-index:var(--el-index-normal)}.el-carousel__item--card.is-in-stage.is-hover .el-carousel__mask,.el-carousel__item--card.is-in-stage:hover .el-carousel__mask{opacity:.12}.el-carousel__item--card.is-active{z-index:calc(var(--el-index-normal) + 1)}.el-carousel__item--card-vertical{height:50%;width:100%}.el-carousel__mask{background-color:var(--el-color-white);height:100%;left:0;opacity:.24;position:absolute;top:0;transition:var(--el-transition-duration-fast);width:100%}.el-carousel{--el-carousel-arrow-font-size:12px;--el-carousel-arrow-size:36px;--el-carousel-arrow-background:#1f2d3d1c;--el-carousel-arrow-hover-background:#1f2d3d3b;--el-carousel-indicator-width:30px;--el-carousel-indicator-height:2px;--el-carousel-indicator-padding-horizontal:4px;--el-carousel-indicator-padding-vertical:12px;--el-carousel-indicator-out-color:var(--el-border-color-hover);position:relative}.el-carousel--horizontal,.el-carousel--vertical{overflow:hidden}.el-carousel__container{height:300px;position:relative}.el-carousel__arrow{align-items:center;background-color:var(--el-carousel-arrow-background);border:none;border-radius:50%;color:#fff;cursor:pointer;display:inline-flex;font-size:var(--el-carousel-arrow-font-size);height:var(--el-carousel-arrow-size);justify-content:center;margin:0;outline:none;padding:0;position:absolute;text-align:center;top:50%;transform:translateY(-50%);transition:var(--el-transition-duration);width:var(--el-carousel-arrow-size);z-index:10}.el-carousel__arrow--left{left:16px}.el-carousel__arrow--right{right:16px}.el-carousel__arrow:hover{background-color:var(--el-carousel-arrow-hover-background)}.el-carousel__arrow i{cursor:pointer}.el-carousel__indicators{list-style:none;margin:0;padding:0;position:absolute;z-index:calc(var(--el-index-normal) + 1)}.el-carousel__indicators--horizontal{bottom:0;left:50%;transform:translate(-50%)}.el-carousel__indicators--vertical{right:0;top:50%;transform:translateY(-50%)}.el-carousel__indicators--outside{bottom:calc(var(--el-carousel-indicator-height) + var(--el-carousel-indicator-padding-vertical)*2);position:static;text-align:center;transform:none}.el-carousel__indicators--outside .el-carousel__indicator:hover button{opacity:.64}.el-carousel__indicators--outside button{background-color:var(--el-carousel-indicator-out-color);opacity:.24}.el-carousel__indicators--right{right:0}.el-carousel__indicators--labels{left:0;right:0;text-align:center;transform:none}.el-carousel__indicators--labels .el-carousel__button{color:#000;font-size:12px;height:auto;padding:2px 18px;width:auto}.el-carousel__indicators--labels .el-carousel__indicator{padding:6px 4px}.el-carousel__indicator{background-color:initial;cursor:pointer}.el-carousel__indicator:hover button{opacity:.72}.el-carousel__indicator--horizontal{display:inline-block;padding:var(--el-carousel-indicator-padding-vertical) var(--el-carousel-indicator-padding-horizontal)}.el-carousel__indicator--vertical{padding:var(--el-carousel-indicator-padding-horizontal) var(--el-carousel-indicator-padding-vertical)}.el-carousel__indicator--vertical .el-carousel__button{height:calc(var(--el-carousel-indicator-width)/2);width:var(--el-carousel-indicator-height)}.el-carousel__indicator.is-active button{opacity:1}.el-carousel__button{background-color:#fff;border:none;cursor:pointer;display:block;height:var(--el-carousel-indicator-height);margin:0;opacity:.48;outline:none;padding:0;transition:var(--el-transition-duration);width:var(--el-carousel-indicator-width)}.carousel-arrow-left-enter-from,.carousel-arrow-left-leave-active{opacity:0;transform:translateY(-50%) translate(-10px)}.carousel-arrow-right-enter-from,.carousel-arrow-right-leave-active{opacity:0;transform:translateY(-50%) translate(10px)}.el-transitioning{filter:url(#elCarouselHorizontal)}.el-transitioning-vertical{filter:url(#elCarouselVertical)}.problems-list[data-v-ab14591b]{box-sizing:border-box;margin:0 auto;max-width:1200px;padding:20px}.banner-container[data-v-ab14591b]{width:100%}.banner-container .custom-carousel[data-v-ab14591b]{--el-carousel-indicator-width:12px;--el-carousel-indicator-height:3px;--el-carousel-indicator-active-width:24px}.banner-container .custom-carousel .banner-link[data-v-ab14591b]{display:block;height:100%;overflow:hidden;position:relative;width:100%}.banner-container .custom-carousel .banner-image[data-v-ab14591b]{height:100%;-o-object-fit:cover;object-fit:cover;transition:transform .5s ease;width:100%}.banner-container .custom-carousel .banner-image[data-v-ab14591b]:hover{transform:scale(1.02)}.banner-container .custom-carousel .banner-mask[data-v-ab14591b]{background:linear-gradient(transparent,#000000b3);bottom:0;color:#fff;left:0;padding:20px 30px;position:absolute;right:0}.banner-container .custom-carousel .banner-mask .banner-title[data-v-ab14591b]{font-size:1.2rem;font-weight:600;margin:0 0 8px}.banner-container .custom-carousel .banner-mask .banner-desc[data-v-ab14591b]{display:-webkit-box;font-size:.9rem;-webkit-line-clamp:1;margin:0;opacity:.9;-webkit-box-orient:vertical;overflow:hidden}.banner-container .el-carousel__indicators[data-v-ab14591b]{display:none!important}.problem-types-fullwidth[data-v-ab14591b]{box-sizing:border-box;display:flex;gap:20px;margin:0 0 30px;width:100%}.problem-types-fullwidth .type-block[data-v-ab14591b]{border:1px solid;border-radius:10px;box-sizing:border-box;color:#fff;cursor:pointer;flex:1;padding:10px 20px;transition:all .3s ease}.problem-types-fullwidth .type-block[data-v-ab14591b]:first-child{background:#1e3765}.problem-types-fullwidth .type-block[data-v-ab14591b]:nth-child(2){background:#8dbf2e}.problem-types-fullwidth .type-block:nth-child(2) .type-icon[data-v-ab14591b]{top:10px!important}.problem-types-fullwidth .type-block[data-v-ab14591b]:nth-child(3){background:#006afc;border-color:#f59e0b4d}.problem-types-fullwidth .type-block:nth-child(3) .type-icon[data-v-ab14591b]{top:6px!important}.problem-types-fullwidth .type-block[data-v-ab14591b]:nth-child(4){background:#017fa4;border-color:#f59e0b4d}.problem-types-fullwidth .type-block:nth-child(4) .type-icon[data-v-ab14591b]{top:5px!important}.problem-types-fullwidth .type-block .type-content[data-v-ab14591b]{position:relative;transition:transform .3s ease}.problem-types-fullwidth .type-block .type-content .type-name[data-v-ab14591b]{font-size:1.5rem;font-weight:600;margin:0 0 10px;transition:color .3s ease}.problem-types-fullwidth .type-block .type-content .type-desc[data-v-ab14591b]{color:#fff;font-size:.95rem;line-height:1.5;margin:0 0 15px}.problem-types-fullwidth .type-block .type-content .type-count[data-v-ab14591b]{background-color:#0000000d;border-radius:20px;color:#fff;display:inline-block;font-size:.9rem;font-weight:500;padding:4px 10px}.problem-types-fullwidth .type-block .type-content .type-icon[data-v-ab14591b]{font-size:2.5rem;opacity:.2;position:absolute;right:10px;top:20px;transition:all .3s ease}.problem-types-fullwidth .type-block .type-content.active[data-v-ab14591b]{transform:translateY(-5px)}.problem-types-fullwidth .type-block .type-content.active .type-name[data-v-ab14591b]{color:inherit}.problem-types-fullwidth .type-block .type-content.active .type-icon.active[data-v-ab14591b]{opacity:.4;transform:scale(1.1)}.problem-types-fullwidth .type-block[data-v-ab14591b]:hover{box-shadow:0 10px 20px #00000014;transform:translateY(-5px)}.search-section[data-v-ab14591b]{background:#fff;border-radius:8px;box-shadow:0 2px 10px #0000000d;display:flex;gap:15px;margin-bottom:20px;padding:20px}.search-section .difficulty-tags[data-v-ab14591b]{align-items:center;display:flex;flex:1;flex-wrap:wrap;gap:10px}.search-section .difficulty-tags .tags-label[data-v-ab14591b]{color:#666;font-size:.95rem;white-space:nowrap}.search-section .difficulty-tags .difficulty-tag[data-v-ab14591b]{border-width:1px;cursor:pointer;font-size:.9rem;padding:6px 14px;transition:all .2s}.search-section .difficulty-tags .difficulty-tag.active[data-v-ab14591b]{background:#0164f0;color:#fff;font-weight:500}.search-section .search-box-container[data-v-ab14591b]{display:flex;gap:10px;max-width:300px;width:100%}.search-section .search-box-container .search-input[data-v-ab14591b]{flex:1}.search-section .search-box-container .search-btn[data-v-ab14591b]{white-space:nowrap}.problems-table[data-v-ab14591b]{background:#fff;border-radius:8px;box-shadow:0 2px 10px #0000000d;margin-bottom:30px;padding:20px}.problems-table .problem-title[data-v-ab14591b]{align-items:center;display:flex;gap:10px;justify-content:space-between}.problems-table .problem-title .title-text[data-v-ab14591b]{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.problems-table .problem-title .solve-btn[data-v-ab14591b]{color:#007fa3;padding:0 8px}.problems-table .pass-rate[data-v-ab14591b]{text-align:left}.problems-table .pass-rate .pass-rate--high[data-v-ab14591b]{color:#10b981;font-weight:500}.problems-table .pass-rate .pass-rate--medium[data-v-ab14591b]{color:#f59e0b;font-weight:500}.problems-table .pass-rate .pass-rate--low[data-v-ab14591b]{color:#ef4444;font-weight:500}.problems-table .difficulty-tag--easy[data-v-ab14591b]{background-color:#10b9811a;border-color:#10b98133;color:#10b981}.problems-table .difficulty-tag--medium[data-v-ab14591b]{background-color:#f59e0b1a;border-color:#f59e0b33;color:#f59e0b}.problems-table .difficulty-tag--hard[data-v-ab14591b]{background-color:#ef44441a;border-color:#ef444433;color:#ef4444}.problems-table .pagination-container[data-v-ab14591b]{display:flex;justify-content:center;margin-top:20px}@media(max-width:768px){.problem-types[data-v-ab14591b]{gap:10px}.type-btn[data-v-ab14591b]{font-size:.9rem;padding:8px 18px}.search-box-container[data-v-ab14591b]{min-width:100%}.filter-tags[data-v-ab14591b]{gap:8px}.problems-table[data-v-ab14591b]{overflow-x:auto;padding:10px}}