* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    list-style: none;
    text-decoration: none;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.main-bg {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    padding-top: 20px;
    background-color: #F8FAFC;
    padding-bottom: 60px;
}

.bg-lt {
    width: 420px;
    height: auto;
    background-color: #FFFFFF;
    border-radius: 20px;
    padding: 28px 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    border: 1px solid #E2E8F0;
}

.bg-lt .group-title {
    font-size: 20px;
    color: #333;
    font-weight: 500;
    margin: 0 0 24px 0;
    padding-left: 16px;
    line-height: 1.4;
    position: relative;
}

.bg-lt .group-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 4px;
    background-color: #e70012;
    border-radius: 2px;
}

.bg-lt .divider-line {
    height: 1px;
    background-color: #E2E8F0;
    margin: 36px 0;
    margin-top: 26px;
}

.bg-lt .lt-list {
    width: 100%;
}

.bg-lt .menu-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.bg-lt .menu-item a {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    padding: 12px 16px;
}

.bg-lt .menu-item:not(.active) {
    background-color: transparent;
}

.bg-lt .menu-item:not(.active):hover {
    background-color: #F1F5F9;
}

.bg-lt .menu-item.active {
    background-color: #EFF6FF;
}

.bg-lt .menu-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.bg-lt .menu-icon {
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #334155;
    flex-shrink: 0;
}

.bg-lt .menu-item.active .menu-icon {
    color: #0F172A;
}

.bg-lt .menu-text {
    font-size: 17px;
    color: #1E293B;
    font-weight: 500;
    line-height: 1.45;
    word-break: break-word;
}

.bg-lt .menu-item.active .menu-text {
    color: #0F172A;
    font-weight: 600;
}

.bg-lt .check-icon {
    width: 22px;
    height: 22px;
    background-color: #0F172A;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 8px;
    flex-shrink: 0;
}

.bg-lt .check-icon::after {
    content: "✓";
    color: #FFFFFF;
    font-size: 13px;
    font-weight: bold;
}

.bg-lt .menu-badge {
    background-color: #E2E8F0;
    color: #475569;
    font-size: 14px;
    border-radius: 16px;
    min-width: 38px;
    text-align: center;
    font-weight: 500;
    flex-shrink: 0;
    margin-left: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px !important;
}

.bg-rt {
    width: calc(100% - 440px);
    height: 100%;
}

.bg-rt .top-search {
    width: 48%;
    height: 44px;
    background-color: #FFFFFF;
    border-radius: 22px;
    padding-left: 22px;
    border: 1px solid #E2E8F0;
    box-sizing: content-box;
    display: flex;
    justify-content: space-between;
    overflow: hidden;
    margin-bottom: 12px;
}

.bg-rt .top-search input {
    width: calc(100% - 90px);
    height: 100%;
    border: 0;
    outline: none;
    font-size: 15px;
    color: #1E293B;
}

.bg-rt .top-search input::placeholder {
    color: #94A3B8;
}

.bg-rt .top-search input:focus::placeholder,
.bg-rt .top-search input:not(:placeholder-shown)::placeholder {
    color: transparent;
}

.bg-rt .top-search .search-icon {
    width: 70px;
    height: 100%;
    cursor: pointer;
    background-color: #F1F5F9;
    display: flex;
    justify-content: center;
    align-items: center;
}

.bg-rt .top-search .search-icon:hover {
    background-color: #E2E8F0;
}

.bg-rt .top-search .search-icon img {
    width: 18px;
    height: 28px;
}

.bg-rt .cp-container {
    width: 100%;
}

.bg-rt .cp-container ul {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.bg-rt .cp-container ul li {
    position: relative;
    break-inside: avoid;
    cursor: pointer;
}

.bg-rt .cp-container ul li p {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: #1E293B;
    line-height: 24px;
    margin-top: 12px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    text-overflow: ellipsis;
}

.bg-rt .cp-container ul li .pt-container {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid rgba(0, 0, 0, 0.08);
    padding: 7%;
    background-color: #fff;
}

.bg-rt .cp-container ul li .pt-container:hover {
    border: 1px solid rgba(0, 0, 0, 0.2);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.bg-rt .cp-container ul li .pt-container .li-time {
    position: absolute;
    bottom: 12px;
    right: 12px;
    padding: 4px 8px;
    color: #FFFFFF;
    font-size: 12px;
    line-height: 16px;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.7);
}

.container-bg {
    width: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    max-width: 1560px;
    align-items: flex-start;
    gap: 30px;
}

.zoom-element {
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform-origin: center center;
}

.zoom-element:hover {
    transform: scale(1.08);
}

.play-btn {
    position: absolute;
    width: 52px;
    height: 52px;
    z-index: 9999;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transform-origin: center center;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.play-btn:hover {
    transform: translate(-50%, -50%) scale(1.08);
}

.play-btn::after {
    content: "";
    width: 0;
    height: 0;
    border-left: 16px solid #fff;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    margin-left: 4px;
}

.pt-bg {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.pt-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.filter-tabs {
    display: flex;
    gap: 8px;
    margin: 18px 0;
    padding: 0;
    flex-wrap: wrap;
}

.filter-tab {
    display: inline-block;
    padding: 4px 24px;
    border: 1px solid #e6e7eb;
    background-color: #fff;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.filter-tab.active {
    background-color: #e70012;
    color: #fff;
    border-color: #e70012;
}

.filter-tab:hover:not(.active) {
    border-color: #e70012;
    color: #e70012;
    text-decoration: none;
}

.filter-tab:focus {
    outline: none;
    text-decoration: none;
}

@media (max-width: 1200px) {
    .cp-container ul {
        grid-template-columns: repeat(3, 1fr) !important;
    }

    .bg-lt {
        width: 320px !important;
    }

    .bg-rt {
        width: calc(100% - 340px) !important;
    }
}

@media (max-width: 960px) {
    .cp-container ul {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    .bg-lt {
        width: 100%;
        margin-right: 0;
        margin-bottom: 24px;
    }

    .bg-rt {
        width: 100%;
    }

    .container-bg {
        flex-direction: column;
        gap: 24px;
    }

    .bg-rt .top-search {
        width: 100%;
    }
}

@media (max-width: 740px) {
    .cp-container ul {
        grid-template-columns: repeat(1, 1fr) !important;
    }
}