/*介绍 开始*/
.introduce {
    width: 100%;
}

.introduce .container {
    padding: 40px 0;
    border-bottom: 1px solid #b2b2b2;
}

.introduce .container p {
    font-size: 18px;
    color: #000;
    font-weight: 400;
    line-height: 1.8;
    margin-bottom: 20px;
}

.introduce .container p:first-child {
    font-size: 28px;
    margin-bottom: 30px;
}

/*介绍 结束*/

/*视频 开始*/
.video {
    padding: 60px 0;
}

.video .container .index-title {
    font-size: 36px;
    color: #000;
    font-weight: 400;
    margin-bottom: 50px;
    text-align: center;
}

.video .container .video-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 35px;
}

.video .container .video-list a img {
    border-radius: 8px;
    margin-bottom: 10px;
}

.video .container .video-list a p {
    font-size: 18px;
    color: #000;
    font-weight: 400;
    text-align: center;
}

.video .container .link {
    width: 80%;
    margin: auto;
}

.video .container .link a {
    font-size: 18px;
    color: #333;
    font-weight: 400;
    display: block;
    text-decoration: underline;
    text-align: center;
}

.video .container .link a:first-child {
    margin-bottom: 20px;
}

/*视频 结束*/

@media(max-width:1280px) {
    .introduce .container p:first-child {
        font-size: 24px;
        margin-bottom: 25px;
    }

    .introduce .container p {
        font-size: 16px;
        line-height: 1.6;
        margin-bottom: 20px;
    }

    .video {
        padding: 50px 0;
    }

    .video .container .index-title {
        font-size: 32px;
        margin-bottom: 40px;
    }

    .video .container .video-list {
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
        margin-bottom: 30px;
    }

    .video .container .video-list a p {
        font-size: 16px;
    }

    .video .container .link a {
        font-size: 16px;
    }
}

@media(max-width:1024px) {
    .video {
        padding: 40px 0;
    }

    .video .container .index-title {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .video .container .video-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        margin-bottom: 25px;
    }
}

@media(max-width:768px) {
    .introduce .container {
        padding: 30px 0;
    }

    .introduce .container p:first-child {
        font-size: 20px;
        margin-bottom: 20px;
    }

    .introduce .container p {
        font-size: 16px;
        margin-bottom: 15px;
    }

    .video {
        padding: 30px 0;
    }

    .video .container .index-title {
        font-size: 24px;
    }
}

@media(max-width:600px) {}

@media(max-width:480px) {
    .introduce .container p:first-child {
        font-size: 16px;
    }

    .introduce .container p {
        font-size: 14px;
    }

    .video .container .index-title {
        font-size: 20px;
        margin-bottom: 25px;
    }

    .video .container .video-list {
        grid-template-columns: repeat(1, 1fr);
        gap: 15px;
        margin-bottom: 25px;
    }

    .video .container .link {
        width: 100%;
    }
}

@media(max-width:430px) {}

@media(max-width:390px) {}