body .ycf4-mainwrap {
    width: 100%;
    max-width: 1700px;
    margin: 0 auto;
    box-sizing: border-box;
    overflow-x: hidden;
    background: #191919;
}
.ycf4-row {
    width: 100%;
    display: flex;
    box-sizing: border-box;
}
.ycf4-toprow {
    align-items: stretch;
    margin-bottom: 30px;
}
@media (max-width:1200px) {
    .ycf4-mainwrap { padding: 0 2vw; }
}
@media (max-width:900px) {
    .ycf4-toprow { flex-direction: column; }
    .ycf4-playerwrap, .ycf4-sidebarlist { width: 100% !important; }
}
.ycf4-playerwrap {
    width: 75%;
    max-width: 1200px;
    min-width: 320px;
    box-sizing: border-box;
    display: flex;
}
.ycf4-playeraspect {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
}
.ycf4-playeraspect iframe {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    border: none;
    background: #000;
    border-radius: 14px;
    box-shadow: 0 2px 24px #0003;
}
.ycf4-sidebarlist {
    width: 25%;
    min-width: 220px;
    max-width: 450px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    box-sizing: border-box;
    justify-content: stretch;
}
.ycf4-sideitem {
    flex: 1 1 0;
    display: flex;
    align-items: flex-start;
    gap: 18px;
    cursor: pointer;
    padding: 15px 12px;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 2px 8px #0001;
    border: 2px solid transparent;
    transition: border .18s, box-shadow .18s, background .13s;
    min-height: 0;
}
.ycf4-sideitem:hover, .ycf4-sideitem-active {
    border: 2px solid #F00;
    box-shadow: 0 6px 24px #F001;
    background: #f7f7f7;
}
.ycf4-cardimg {
    flex: 0 0 102px;
    width: 102px;
    aspect-ratio: 16/9;
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    background: #222;
    display: flex;
}
.ycf4-cardimg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    display: block;
}
.ycf4-cardtitle {
    flex: 1;
    display: block;
    font-size: 1.08em;
    font-weight: 500;
    line-height: 1.3;
    color: #181818;
    white-space: normal;
    overflow-wrap: break-word;
    word-break: break-word;
    padding-left: 10px;
    text-align: left;
}
@media (max-width:900px) {
    .ycf4-sidebarlist {
        padding-left: 0;
        margin-top: 18px;
        width: 100%;
        max-width: 100%;
    }
    .ycf4-sideitem { gap: 10px; }
    .ycf4-cardtitle { font-size: 1em; }
}
.ycf4-gridrow {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
}
.ycf4-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 28px 18px;
    justify-items: center;
    box-sizing: border-box;
    padding: 0 1vw;
}
@media (max-width: 1200px) {
    .ycf4-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 900px) {
    .ycf4-grid { grid-template-columns: repeat(2, 1fr); gap: 18px 9px; }
}
@media (max-width: 650px) {
    .ycf4-grid { grid-template-columns: 1fr; gap: 13px 0; }
    .ycf4-griditem { max-width: 100vw; }
}
.ycf4-griditem {
    width: 100%;
    max-width: 360px;
    cursor: pointer;
    border-radius: 16px;
    background: #fff;
    overflow: hidden;
    box-shadow: 0 2px 8px #0001;
    border: 2px solid transparent;
    transition: border .18s, box-shadow .18s, background .13s;
    position: relative;
    display: flex;
    flex-direction: column;
}
.ycf4-griditem:hover {
    border: 2px solid #F00;
    box-shadow: 0 6px 24px #F001;
    background: #f7f7f7;
}
.ycf4-griditem .ycf4-cardimg {
    width: 100%;
    aspect-ratio: 16/9;
    min-height: 0;
    max-height: none;
    border-radius: 0;
}
.ycf4-griditem .ycf4-cardimg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
}
.ycf4-griditem .ycf4-cardtitle {
    padding: 10px 14px 13px 14px;
    font-size: 1.07em;
    min-height: 36px;
}
.ycf-shorts-badge {
    position: absolute;
    bottom: 7px;
    left: 8px;
    background: #fff;
    color: #F00;
    font-weight: 700;
    border-radius: 7px;
    font-size: .85em;
    padding: 2px 7px 2px 2px;
    display: flex;
    align-items: center;
    box-shadow: 0 1px 5px #0002;
    gap: 3px;
    z-index: 2;
}
.ycf4-loadmore-wrap {
    width: 100%;
    text-align: center;
    margin: 30px 0 32px 0;
    display: block;
}
.ycf4-loadmore {
    display: inline-block;
    padding: 13px 38px;
    font-size: 1.2em;
    font-weight: 700;
    background: linear-gradient(90deg,#00ff00 0,#13e106 100%);
    color: #111;
    border: none;
    border-radius: 24px;
    box-shadow: 0 2px 8px #0002;
    cursor: pointer;
    transition: background .15s;
}
.ycf4-loadmore:hover {
    background: linear-gradient(90deg,#13e106 0,#00ff00 100%);
}

/* ----- Responsive tweaks ----- */
@media (max-width: 900px) {
    .ycf4-cardimg, .ycf4-griditem .ycf4-cardimg {
        width: 100%;
        min-width: 0;
        max-width: none;
        aspect-ratio: 16/9;
        height: auto;
    }
    .ycf4-griditem .ycf4-cardtitle, .ycf4-cardtitle {
        font-size: 1em;
        padding: 8px 10px 10px 10px;
    }
    .ycf4-sideitem, .ycf4-griditem {
        padding: 10px 7px;
    }
}
@media (max-width: 650px) {
    .ycf4-playerwrap { min-width: 0; }
    .ycf4-cardtitle, .ycf4-griditem .ycf4-cardtitle {
        font-size: .98em;
        padding: 8px 6px 8px 6px;
    }
    .ycf4-sideitem, .ycf4-griditem {
        padding: 7px 3px;
    }
}