.sk-ad-container {
    position: relative;
    margin: 25px auto;
    padding: 0;
    text-align: center;
    overflow: hidden;
    clear: both;
    transition: opacity 0.3s ease, transform 0.3s ease;
    opacity: 1;
}

.sk-ad-container.sk-ad-loading {
    min-height: 100px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: sk-ad-shimmer 1.5s infinite;
    border-radius: 4px;
}

@keyframes sk-ad-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.sk-ad-container img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sk-ad-container a {
    display: inline-block;
    text-decoration: none;
    border: none;
    outline: none;
    line-height: 0;
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.sk-ad-container a::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 6px;
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05);
    pointer-events: none;
    transition: box-shadow 0.3s ease;
}

.sk-ad-container a:hover::after {
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.12);
}

.sk-ad-container a:hover img {
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.sk-ad-container .sk-ad-code {
    line-height: 0;
    display: block;
}

.sk-ad-container .sk-ad-code > * {
    max-width: 100%;
}

.sk-ad-container .sk-ad-code iframe {
    border-radius: 6px;
}

.sk-ad-container .sk-ad-label {
    position: absolute;
    top: 6px;
    right: 6px;
    background: rgba(0,0,0,0.06);
    color: #999;
    font-size: 9px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 2px 8px;
    border-radius: 3px;
    pointer-events: none;
    z-index: 1;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.sk-ad-container.sk-ad-label-left .sk-ad-label {
    right: auto;
    left: 6px;
}

.sk-ad-container.sk-ad-header {
    margin: 0 auto 25px;
    padding: 15px 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.02) 0%, transparent 100%);
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.sk-ad-container.sk-ad-header::before {
    content: '— Advertisement —';
    display: block;
    text-align: center;
    color: #bbb;
    font-size: 10px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.sk-ad-container.sk-ad-sidebar {
    margin: 0 auto 30px;
    padding: 15px 0;
    border-top: 1px solid rgba(0,0,0,0.06);
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.sk-ad-container.sk-ad-sidebar::before {
    content: 'Ad';
    display: block;
    text-align: center;
    color: #ccc;
    font-size: 9px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 10px;
}

.sk-ad-container.sk-ad-footer {
    margin: 25px auto 0;
    padding: 20px 0 10px;
    border-top: 1px solid rgba(0,0,0,0.06);
    background: linear-gradient(0deg, rgba(0,0,0,0.02) 0%, transparent 100%);
}

.sk-ad-container.sk-ad-footer::before {
    content: '— Advertisement —';
    display: block;
    text-align: center;
    color: #bbb;
    font-size: 10px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.sk-ad-container.sk-ad-before-content {
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(0,0,0,0.02);
    border-radius: 8px;
    border: 1px solid rgba(0,0,0,0.06);
}

.sk-ad-container.sk-ad-before-content::before {
    content: 'Advertisement';
    display: block;
    text-align: center;
    color: #bbb;
    font-size: 10px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.sk-ad-container.sk-ad-after-content {
    margin-top: 30px;
    padding: 20px;
    background: rgba(0,0,0,0.02);
    border-radius: 8px;
    border: 1px solid rgba(0,0,0,0.06);
}

.sk-ad-container.sk-ad-after-content::before {
    content: 'Advertisement';
    display: block;
    text-align: center;
    color: #bbb;
    font-size: 10px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.sk-ad-container.sk-ad-inline {
    margin: 20px 0;
    float: none;
    clear: both;
    padding: 10px 0;
}

.sk-ad-container.sk-ad-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    z-index: 999999;
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3), 0 0 0 1px rgba(0,0,0,0.08);
    max-width: 90vw;
    max-height: 90vh;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s ease;
}

.sk-ad-container.sk-ad-popup.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.sk-ad-container.sk-ad-popup .sk-ad-close {
    position: absolute;
    top: -12px;
    right: -12px;
    width: 32px;
    height: 32px;
    background: #fff;
    border: none;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: #666;
    transition: all 0.2s ease;
    z-index: 2;
    line-height: 1;
}

.sk-ad-container.sk-ad-popup .sk-ad-close:hover {
    background: #f44336;
    color: #fff;
    transform: rotate(90deg);
}

.sk-ad-container.sk-ad-popup .sk-ad-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: -1;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.sk-ad-container.sk-ad-sticky {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 99999;
    margin: 0;
    padding: 10px 20px;
    background: rgba(255,255,255,0.97);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
    border-top: 1px solid rgba(0,0,0,0.06);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    animation: sk-ad-slide-up 0.5s ease;
}

@keyframes sk-ad-slide-up {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.sk-ad-container.sk-ad-sticky .sk-ad-close {
    position: absolute;
    top: -14px;
    right: 14px;
    width: 30px;
    height: 30px;
    background: #fff;
    border: none;
    border-radius: 50%;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #666;
    transition: all 0.2s ease;
    line-height: 1;
    z-index: 1;
}

.sk-ad-container.sk-ad-sticky .sk-ad-close:hover {
    background: #f44336;
    color: #fff;
}

.sk-ad-container.sk-ad-sidebar-sticky {
    position: sticky;
    top: 20px;
}

.sk-ad-container.sk-ad-responsive {
    width: 100%;
}

.sk-ad-container.sk-ad-responsive img {
    width: 100%;
    height: auto;
}

.sk-ad-container.sk-ad-bordered {
    border: 2px dashed rgba(0,0,0,0.08);
    border-radius: 8px;
    padding: 15px;
    background: rgba(0,0,0,0.02);
}

.sk-ad-container.sk-ad-bordered:hover {
    border-color: rgba(0,0,0,0.15);
}

.sk-ad-container.sk-ad-rounded {
    border-radius: 12px;
    overflow: hidden;
}

.sk-ad-container.sk-ad-shadow {
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
    border-radius: 8px;
    padding: 10px;
}

.sk-ad-container.sk-ad-shadow:hover {
    box-shadow: 0 6px 25px rgba(0,0,0,0.1);
}

.sk-ad-container.sk-ad-enter-fade {
    animation: sk-ad-fade-in 0.6s ease;
}

@keyframes sk-ad-fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.sk-ad-container.sk-ad-enter-scale {
    animation: sk-ad-scale-in 0.5s ease;
}

@keyframes sk-ad-scale-in {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.sk-ad-container.sk-ad-carousel {
    position: relative;
}

.sk-ad-container.sk-ad-carousel .sk-ad-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    background: rgba(255,255,255,0.9);
    border: none;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #333;
    transition: all 0.2s ease;
    z-index: 2;
}

.sk-ad-container.sk-ad-carousel .sk-ad-nav:hover {
    background: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.sk-ad-container.sk-ad-carousel .sk-ad-nav-prev { left: -16px; }
.sk-ad-container.sk-ad-carousel .sk-ad-nav-next { right: -16px; }

.sk-ad-container.sk-ad-carousel .sk-ad-dots {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 10px;
}

.sk-ad-container.sk-ad-carousel .sk-ad-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ddd;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
}

.sk-ad-container.sk-ad-carousel .sk-ad-dot.active {
    background: #333;
    width: 24px;
    border-radius: 4px;
}

.sk-ad-container.sk-ad-native {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #fafafa;
    border-radius: 8px;
    border: 1px solid #eee;
    text-align: left;
}

.sk-ad-container.sk-ad-native .sk-ad-native-image {
    flex-shrink: 0;
    width: 120px;
    height: 90px;
    object-fit: cover;
    border-radius: 6px;
}

.sk-ad-container.sk-ad-native .sk-ad-native-content {
    flex: 1;
    min-width: 0;
}

.sk-ad-container.sk-ad-native .sk-ad-native-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #999;
    margin-bottom: 4px;
}

.sk-ad-container.sk-ad-native .sk-ad-native-title {
    font-size: 14px;
    font-weight: 600;
    color: #222;
    line-height: 1.4;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sk-ad-container.sk-ad-native .sk-ad-native-description {
    font-size: 12px;
    color: #777;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sk-ad-container.sk-ad-native a {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 0;
    border-radius: 8px;
}

.sk-ad-container.sk-ad-native a::after {
    display: none;
}

.sk-ad-container.sk-ad-native a:hover {
    background: rgba(0,0,0,0.02);
}

.sk-ad-container.sk-ad-native a:hover .sk-ad-native-title {
    color: #000;
}

@media (max-width: 767px) {
    .sk-ad-container {
        margin: 15px auto;
    }

    .sk-ad-container.sk-ad-header {
        padding: 10px 0;
        margin: 0 auto 15px;
    }

    .sk-ad-container.sk-ad-before-content,
    .sk-ad-container.sk-ad-after-content {
        padding: 12px;
    }

    .sk-ad-container.sk-ad-popup {
        padding: 15px;
        max-width: 95vw;
    }

    .sk-ad-container.sk-ad-sticky {
        padding: 8px 12px;
    }

    .sk-ad-container.sk-ad-native {
        flex-direction: column;
        align-items: flex-start;
    }

    .sk-ad-container.sk-ad-native .sk-ad-native-image {
        width: 100%;
        height: auto;
        max-height: 160px;
    }

    .sk-ad-container.sk-ad-native a {
        flex-direction: column;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .sk-ad-container.sk-ad-sidebar-sticky {
        position: static;
    }
}

/* ============================================================================
   Auto Popup Ads
   ============================================================================ */
.sk-popup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 9999999;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sk-popup-overlay.active {
    display: flex;
    opacity: 1;
    animation: sk-popup-fade-in 0.3s ease;
}

@keyframes sk-popup-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.sk-popup-content {
    position: relative;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow: auto;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.3);
    animation: sk-popup-scale-in 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes sk-popup-scale-in {
    from {
        transform: scale(0.7) translateY(20px);
        opacity: 0;
    }
    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

.sk-popup-close {
    position: absolute;
    top: -14px;
    right: -14px;
    width: 36px;
    height: 36px;
    background: #fff;
    border: none;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    font-size: 20px;
    color: #666;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: all 0.2s ease;
    line-height: 1;
}

.sk-popup-close:hover {
    background: #d32f2f;
    color: #fff;
    transform: rotate(90deg);
    box-shadow: 0 4px 20px rgba(211, 47, 47, 0.4);
}

.sk-popup-ad {
    border-radius: 16px;
    overflow: hidden;
}

.sk-popup-ad img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
}

.sk-popup-ad a {
    display: block;
    line-height: 0;
}

.sk-popup-ad .sk-ad-link {
    display: block;
    line-height: 0;
}

@media (max-width: 767px) {
    .sk-popup-content {
        width: 95%;
        max-width: none;
        border-radius: 12px;
        max-height: 80vh;
        margin: auto;
    }

    .sk-popup-close {
        top: -10px;
        right: -10px;
        width: 32px;
        height: 32px;
        font-size: 18px;
    }

    .sk-popup-overlay {
        padding: 10px;
    }

    .sk-popup-ad img {
        max-height: 70vh;
        object-fit: contain;
    }
}