.header-nav {
    flex: 1;
    height: 40px;
    line-height: 20px;
    display: flex;
    align-items: center;
    margin: 0 45px;
}

.header-nav-item {
    flex: 1;
    text-align: center;
    margin-right: 45px;
}

.live_con_title>img {
    width: auto;
    height: 48px;
}

.time_title>img {
    width: auto;
    height: 48px;
}

.player_zone_con>img {
    width: auto;
    height: 48px;
}

.Guest_message_title>img {
    height: auto;
}

.previous_review_title>img {
    width: auto;
    height: 48px;
}

.Competition-item {
    width: 155px;
}

.Competition-line-left, .Competition-line-right {
    width: 420px;
}

.test_entrance {
    width: auto;
    justify-content: center;
}
.guest_postion {
    margin-bottom: 25px;
}

@media screen and (max-width: 1199px) {
    .live_con_title {
        height: auto;
    }
    .live_con_title>img,
    .time_title>img,
    .player_zone_con>img,
    .previous_review_title>img {
        height: .5rem;
        max-width: 100%;
    }
    .introduce_con_title {
        width: 4rem;
    }
    .previous_review_title {
        width: auto;
        text-align: center;
    }
    .Guest_message_title>img {
        width: auto;
        height: 1rem;
    }
    .Competition-item {
        width: .88rem;
    }
    .Competition-line-left, .Competition-line-right {
        width: 2.6rem;
    }
    .alert-bg p {
        font-size: .32rem;
    }
}