@import "style.css";

main {
    width: 100%;
}

.bigimg,
.anti-content-box {
    width: 68vw;
    margin: 0 auto;
}

.bigimg {
    height: calc(512/1330 * 68vw);
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.bigimg img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.anti-content-box {
    padding: 0 0 60px;
}

.anti-content-box .anti-tit {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    margin: 50px auto 40px;
}

.anti-content-box .anti-tit .en {
    font-size: 34px;
    font-weight: 700;
    color: var(--color-1);
}

.anti-content-box .anti-tit .cn {
    font-size: 30px;
    font-weight: 500;
    color: #212529;
}

.anti-content {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    flex-flow: row nowrap;
    gap: 20px;
}

.anti-content .video-view {
    width: 58%;
    height: calc(452/779*0.58*68vw);
}

.anti-content .video-view video {
    width: 100%;
    height: 100%;
}

.anti-content .anti-info {
    width: 29%;
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    flex-direction: column;
    padding: 20px 0 0;
}

.anti-content .anti-info .content {
    font-size: 14px;
    color: #333;
    line-height: 1.8;
}

.anti-content .anti-info .btn {
    width: 130px;
    height: 38px;
    display: inline-block;
    font-size: 14px;
    color: #000;
    text-align: center;
    line-height: 38px;
    border: 1px solid #000;
    margin-top: 30px;
}

@media screen and (max-width: 1200px) {
    .anti-content {
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
    }

    .anti-content .video-view {
        width: 100%;
        height: calc(452/779*92vw);
    }

    .anti-content .anti-info {
        width: 100%;
    }
}

@media screen and (max-width: 1330px) and (min-width: 768px) {

    .bigimg,
    .anti-content-box {
        width: 92vw;
        margin: 0 auto;
    }
}

@media screen and (max-width: 1023px) and (min-width: 768px) {
    .anti-content .video-view {
        width: 100%;
        height: calc(452/779*100vw);
    }
}

@media screen and (max-width: 767px) {
    .bigimg {
        width: 100vw;
        height: calc(512 / 1330 * 100vw);
    }

    .anti-content-box {
        width: 100vw;
        padding: 0 1rem;
    }

    .anti-content-box .anti-tit {
        margin: 1rem auto;
    }

    .anti-content-box .anti-tit .en {
        font-size: 1.7rem;
        line-height: 1.1;
    }

    .anti-content-box .anti-tit .cn {
        font-size: 1.5rem;
    }

    .anti-content {
        gap: 0;
    }

    .anti-content .video-view {
        width: 100%;
        height: calc(452/779*100vw);

    }

    .anti-content .anti-info {
        padding: 0.8rem 0 0;
    }

    .anti-content .anti-info .content {
        font-size: 0.875rem;
    }

    .anti-content .anti-info .btn {
        width: 8rem;
        height: 2rem;
        font-size: 0.875rem;
        line-height: 2rem;
        margin-top: 1rem;
    }
}