/* 首页样式 */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.video-card {
    transition: transform 0.3s ease;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.video-thumb {
    position: relative;
    height: 200px;
    background-color: #000;
    overflow: hidden;
}

.video-thumb .preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.video-thumb:hover .preview {
    opacity: 0.9;
}

.video-play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI2MCIgaGVpZ2h0PSI2MCIgdmlld0JveD0iMCAwIDI0IDI0Ij48cGF0aCBmaWxsPSJ3aGl0ZSIgZD0iTTggNXYxNGwxMS03eiIvPjwvc3ZnPg==') center/contain no-repeat;
    opacity: 0.8;
}

.video-info {
    padding: 15px;
}

.video-title {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--dark-color);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    min-height: 54px;
}

.video-meta {
    font-size: 14px;
    color: #666;
    display: flex;
    justify-content: space-between;
}

.search-form {
    display: flex;
    margin-bottom: 20px;
}

.search-form input {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px 0 0 4px;
}

.search-form button {
    padding: 10px 15px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
}