/* 示例视频区域 */
.examples-section {
    width: 100%;
    margin-top: 2rem;
    animation: fadeIn 0.6s ease-out 0.2s backwards;
}

.section-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 1rem;
    font-weight: 500;
    padding-left: 0.5rem;
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.example-card {
    position: relative;
    height: 140px;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.example-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.25);
}

.card-bg {
    position: absolute;
    inset: 0;
    opacity: 0.6;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.example-card:hover .card-bg {
    opacity: 0.8;
}

/* 各类卡片背景渐变 */
.card-explain .card-bg {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

.card-music .card-bg {
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
}

.card-talk .card-bg {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.card-game .card-bg {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.card-content {
    position: relative;
    z-index: 1;
    padding: 1.25rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card-tag {
    display: inline-block;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
    background: rgba(0, 0, 0, 0.2);
    padding: 2px 8px;
    border-radius: 12px;
    backdrop-filter: blur(4px);
    width: fit-content;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    margin: 0;
    line-height: 1.4;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.card-icon {
    position: absolute;
    bottom: 1.25rem;
    right: 1.25rem;
    opacity: 0.5;
    transform: scale(0.8);
    transition: all 0.3s ease;
}

.example-card:hover .card-icon {
    opacity: 1;
    transform: scale(1.1) rotate(5deg);
}

@media (max-width: 1024px) {
    .examples-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .examples-grid {
        grid-template-columns: 1fr;
    }

    .example-card {
        height: 120px;
    }

    .card-title {
        font-size: 1rem;
    }
}