/* --- CUSTOM SLIDER --- */
.custom-slider {
    width: 260px;
    height: 222px; /* Sẽ cao bằng cột bên trái */
    min-height: 222px; /* Đảm bảo có chiều cao tối thiểu nếu cột trái chưa có ảnh */
    position: relative;
    overflow: hidden;
    background: #000;
	margin:10px 5px;
}

.custom-slider .slides {
    width: 100%;
    height: 100%;
    position: relative;
}

.custom-slider .slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease-in-out, visibility 1s;
}

.custom-slider .slide.active {
    opacity: 1;
    visibility: visible;
}

.custom-slider .slide img {
    width: 100%;
    height: 100%;
    object-fit: fill; /* Co giãn theo slider không mất hình */
    display: block;
}

/* Điều hướng chấm tròn */
.slider-nav {
    position: absolute;
    bottom: 15px;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 10px;
    z-index: 10;
}

.nav-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: 2px solid #fff;
    cursor: pointer;
    transition: 0.3s;
}

.nav-dot.active {
    background: #fff;
    transform: scale(1.2);
}

/* Nút Trái/Phải */
.slider-ctrl {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.4);
    color: #fff;
    border: none;
    padding: 15px 10px;
    cursor: pointer;
    z-index: 10;
    font-size: 20px;
    opacity: 0;
    transition: 0.3s;
}

.custom-slider:hover .slider-ctrl {
    opacity: 1;
}

.ctrl-prev { left: 0; }
.ctrl-next { right: 0; }

.clear { clear: both; }