.webinar-slider .card {
        border: none;
        border-radius: 1rem;
        overflow: hidden;
    }
    .webinar-slider .carousel {
        border-radius: 1rem;
        overflow: hidden;
        box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        background: #fff;
    }
    /* Afiş görseli (1024x768 - 4:3) */
    .webinar-afis {
        aspect-ratio: 4 / 3;
        width: 100%;
        object-fit: cover;
        background: #eef1f6;
        display: block;
    }
    .webinar-afis-placeholder {
        aspect-ratio: 4 / 3;
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        color: #fff;
        padding: 1.5rem;
        background: linear-gradient(135deg, #4e73df 0%, #224abe 100%);
    }
    .webinar-afis-placeholder span {
        font-size: 1.4rem;
        font-weight: 700;
        text-shadow: 0 2px 6px rgba(0,0,0,0.25);
    }
    .webinar-info {
        padding: 1.75rem;
    }
    .webinar-info h5 {
        font-weight: 700;
        color: #2c3e50;
    }
    .webinar-info .aciklama {
        color: #6c757d;
        max-height: 6.5rem;
        overflow-y: auto;
    }
    .webinar-meta .badge {
        font-weight: 500;
        font-size: 0.8rem;
    }
    /* Katılımcı sayısının altındaki içerik teaser'ı */
    .webinar-teaser {
        background: #f6f8fc;
        border-left: 3px solid #4e73df;
        border-radius: 0.5rem;
        padding: 0.7rem 0.9rem;
        margin-bottom: 1rem;
        color: #4a5568;
        font-size: 0.9rem;
        line-height: 1.55;
    }
    .webinar-teaser .fa-quote-left {
        color: #4e73df;
        opacity: 0.7;
        margin-right: 0.35rem;
    }
    /* Alttaki "Diğer Seminerler" grid'i */
    .diger-card {
        border: 1px solid #eef0f4;
        border-radius: 0.75rem;
        overflow: hidden;
        transition: box-shadow .15s ease, transform .15s ease;
    }
    .diger-card:hover {
        box-shadow: 0 6px 18px rgba(0,0,0,0.08);
        transform: translateY(-2px);
    }
    .diger-afis {
        width: 100%;
        height: 100%;
        min-height: 120px;
        object-fit: cover;
        background: #eef1f6;
    }
    .diger-afis-placeholder {
        width: 100%;
        height: 100%;
        min-height: 120px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 1.6rem;
        background: linear-gradient(135deg, #4e73df 0%, #224abe 100%);
    }
    .diger-seminerler .pagination .page-link {
        color: #224abe;
    }
    .diger-seminerler .pagination .active .page-link {
        background-color: #224abe;
        border-color: #224abe;
        color: #fff;
    }
    /* Kontrol okları koyu görünsün (beyaz zemin için) */
    .webinar-slider .carousel-control-prev-icon,
    .webinar-slider .carousel-control-next-icon {
        background-color: rgba(0,0,0,0.45);
        border-radius: 50%;
        padding: 1.1rem;
        background-size: 45% 45%;
    }
    .webinar-slider .carousel-indicators [data-bs-target] {
        background-color: #224abe;
    }
    @media (min-width: 768px) {
        .webinar-afis, .webinar-afis-placeholder {
            aspect-ratio: auto;
            height: 100%;
            min-height: 340px;
        }
    }