:root {
    --index-bg-color1: linear-gradient(0deg, #470202 0%, #2b0000 100%);
    --index-bg-color2: #400000;
}

.index {
    width: 100%;
    height: 100%;
    background: #2b0000;
}

.top_nav {
    background: linear-gradient(180deg, #860b0b 0%, #700101 50%, #470101 100%);
    border-bottom: 1px solid #d71313;
}

@media screen and (max-width: 767px) {
    .top_nav .main_wrap {
        height: 0.4rem;
        padding-left: 0.15rem;
    }

    .main_wrap img {
        width: 1rem;
    }
}

@media screen and (min-width: 1100px) {
    .top_nav .main_wrap {
        /* max-width: 10.24rem; */
        /* margin: 0 auto; */
        margin-left: 1.9rem;
        height: 0.48rem;
    }

    .main_wrap img {
        width: 1.44rem;
    }
}

@media screen and (max-width: 1099px) and (min-width: 766px) {
    .top_nav .main_wrap {
        margin-left: 0.7rem;
        height: 0.48rem;
    }

    .main_wrap img {
        width: 1.44rem;
    }
}

/* ===========  banner  =============== */

.banner_wrap {
    margin: 0 auto;
    position: relative;
}

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

.banner_wrap h3 {
    position: absolute;
}

.banner_wrap p {
    position: absolute;
}

.banner_wrap .download_links {
    position: absolute;
}

.download_links .item {
    -webkit-user-select: none;
    -ms-user-select: none;
    -moz-user-select: none;
    -khtml-user-select: none;
    user-select: none;
    color: #dbdbdb;
    background-color: rgba(0, 0, 0, 0.4);
    border: 1px solid #ff4848;
    border-radius: 1rem;
}

@media screen and (max-width: 767px) {
    .banner_wrap {
        /* margin-top: -0.17rem; */
        background: url("../images/gw_zs_2.png") no-repeat center;
        width: 100%;
        margin: 0 auto;
        height: 5.01rem;
    }

    .banner_wrap h3 {
        width: 2.6rem;
        top: 1.26rem;
        left: 50%;
        transform: translateX(-50%);
        font-size: 0.18rem;
        text-align: center;
    }

    .banner_wrap p {
        display: none;
    }

    /* 下载按钮 */
    .banner_wrap .download_links {
        top: 100%;
        left: 50%;
        transform: translate(-50%, 0%);
    }

    .download_links .item {
        width: 3.3rem;
        height: 0.46rem;
        padding-left: 0.15rem;
        margin-bottom: 0.15rem;
    }

    .download_links .item img {
        width: 0.24rem;
        height: 0.29rem;
    }

    .download_links .item span {
        font-size: 0.2rem;
        line-height: 1;
        margin-left: 0.1rem;
        /* margin-bottom: 0.1rem; */
    }
}

@media screen and (min-width: 1100px) {
    .banner_wrap {
        /* margin-top: -0.17rem; */
        background: url("../images/gw_zs.png") no-repeat center;
        width: 100%;
        margin: 0 auto;
        height: 7.23rem;
    }

    .banner_wrap h3 {
        top: 1.5rem;
        left: 1.9rem;
        font-size: 0.2rem;
    }

    .banner_wrap p {
        width: 6rem;
        top: 2rem;
        left: 1.9rem;
        font-size: 0.14rem;
    }

    /* 下载按钮 */
    .banner_wrap .download_links {
        top: 50%;
        left: 1.8rem;
        transform: translateY(-20%);
    }

    .download_links .item:hover {
        color: #e2a925;
        cursor: pointer;
    }

    .download_links .item {
        width: 4.5rem;
        height: 0.63rem;
        padding-left: 0.26rem;
        /* background-image: url("../images/gw_db_2.png");
        background-repeat: no-repeat; */
        margin-bottom: 0.3rem;
    }

    .download_links .item img {
        width: 0.33rem;
        height: 0.4rem;
    }

    .download_links .item span {
        font-size: 0.2rem;
        line-height: 1;
        margin-left: 0.22rem;
    }
}

@media screen and (max-width: 1099px) and (min-width: 766px) {
    .banner_wrap {
        /* margin-top: -0.17rem; */
        background: url("../images/pb_zs.png") no-repeat center;
        width: 100%;
        margin: 0 auto;
        height: 4.22rem;
    }

    .banner_wrap h3 {
        top: 1.2rem;
        left: 0.7rem;
        font-size: 0.16rem;
        width: 5rem;
    }

    .banner_wrap p {
        width: 4.5rem;
        top: 1.8rem;
        left: 0.7rem;
        font-size: 0.14rem;
    }

    /* 下载按钮 */
    .banner_wrap .download_links {
        top: 60%;
        left: 0.7rem;
        transform: translateY(20%);
    }

    .download_links .item:hover {
        color: #e2a925;
        cursor: pointer;
    }

    .download_links .item {
        width: 3rem;
        height: 0.34rem;
        padding-left: 0.15rem;
        margin-bottom: 0.15rem;
    }

    .download_links .item img {
        width: 0.2rem;
        height: 0.24rem;
    }

    .download_links .item span {
        font-size: 0.16rem;
        line-height: 1;
        margin-left: 0.1rem;
    }
}

/* ===========  tab  =============== */

.tab_wrap {
    background: var(--index-bg-color2);
    position: relative;
    z-index: 2;
}

.tab_wrap .tab_main_wrap {
    max-width: 12.8rem;
    margin: 0 auto;
    height: 100%;
    justify-content: space-around;
}

.tab_main_wrap .img_wrap img {
    width: 100%;
    height: 100%;
}

@media screen and (max-width: 767px) {
    .tab_wrap {
        height: 0.5rem;
        padding: 0 0.2rem;
        /* margin-top: 1.35rem; ios按钮也在时候用*/
        margin-top: 0.6rem;
    }

    .tab_wrap .img1 {
        width: 0.4rem;
        height: 0.18rem;
    }

    .tab_wrap .img2 {
        width: 0.36rem;
        height: 0.2rem;
    }

    .tab_wrap .img3 {
        width: 0.42rem;
        height: 0.22rem;
    }

    .tab_wrap .img4 {
        width: 0.46rem;
        height: 0.18rem;
    }
}

@media screen and (min-width: 1100px) {
    .tab_wrap {
        height: 0.7rem;
    }

    .tab_wrap .img1 {
        width: 0.79rem;
        height: 0.36rem;
    }

    .tab_wrap .img2 {
        width: 0.75rem;
        height: 0.4rem;
    }

    .tab_wrap .img3 {
        width: 0.44rem;
        height: 0.44rem;
    }

    .tab_wrap .img4 {
        width: 0.93rem;
        height: 0.36rem;
    }
}

@media screen and (max-width: 1099px) and (min-width: 766px) {
    .tab_wrap {
        height: 0.7rem;
    }

    .tab_wrap .img1 {
        width: 0.79rem;
        height: 0.36rem;
    }

    .tab_wrap .img2 {
        width: 0.75rem;
        height: 0.4rem;
    }

    .tab_wrap .img3 {
        width: 0.44rem;
        height: 0.44rem;
    }

    .tab_wrap .img4 {
        width: 0.93rem;
        height: 0.36rem;
    }
}

/* ===========  list  =============== */

.list_main_wrap {
    background: var(--index-bg-color1);
}

.list_main_wrap .main_wrap {
    max-width: 12.8rem;
    margin: 0 auto;
}

.main_wrap .head_title {
    text-align: center;
    position: relative;
}

.head_title h2 {
    line-height: 1;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    background: linear-gradient(
        0deg,
        #ffc300 36.9873046875%,
        #ffea65 83.6669921875%
    );
    -webkit-background-clip: text;
    color: transparent;
}

.desc_list_wrap {
    font-size: 0.14rem;
    color: #ccc;
}

.desc_list_wrap .item:nth-child(1) {
    background: linear-gradient(90deg, #450000 0%, transparent 80%);
}

.desc_list_wrap .item:nth-child(2) {
    background: linear-gradient(90deg, transparent 20%, #4a0000 100%);
}

.desc_list_wrap .item:nth-child(3) {
    background: linear-gradient(90deg, #4d0000 0%, transparent 80%);
}

.desc_list_wrap .item:nth-child(4) {
    background: linear-gradient(90deg, transparent 20%, #520202 100%);
    margin-bottom: 0;
}

@media screen and (max-width: 767px) {
    .list_main_wrap {
        padding-bottom: 0.1rem;
    }

    /* 标题 */
    .head_title {
        margin-top: -0.6rem;
    }

    .head_title img {
        width: 1.5rem;
        height: 0.83rem;
    }

    .head_title .left_img {
        margin-right: -0.26rem;
    }

    .head_title .right_img {
        margin-left: -0.04rem;
        transform: rotateY(180deg);
    }

    .head_title h2 {
        bottom: 0.4rem;
        font-size: 0.2rem;
    }

    .desc_list_wrap {
        /* margin-top: 0.4rem; */
        padding: 0.1rem;
    }

    .desc_list_wrap .item {
        border-radius: 0.1rem;
        margin-bottom: 0.2rem;
        padding: 0.1rem;
    }

    .desc_list_wrap .item .main_text {
        flex: 1;
    }

    .desc_list_wrap .item .main_text h3 {
        font-size: 0.14rem;
    }

    .desc_list_wrap .item .main_text p {
        margin-top: 0.04rem;
        font-size: 0.08rem;
    }

    .desc_list_wrap .item:nth-child(1) img,
    .desc_list_wrap .item:nth-child(3) img {
        width: 0.58rem;
        height: 0.58rem;
        margin-left: 0.2rem;
        flex-shrink: 0;
    }

    .desc_list_wrap .item:nth-child(2) img,
    .desc_list_wrap .item:nth-child(4) img {
        width: 0.58rem;
        height: 0.58rem;
        margin-right: 0.2rem;
        flex-shrink: 0;
    }
}

@media screen and (min-width: 1100px) {
    .list_main_wrap {
        padding-bottom: 0.88rem;
    }

    /* 标题 */
    .head_title img {
        width: 5.48rem;
        height: 1.91rem;
    }

    .head_title .left_img {
        margin-right: -0.28rem;
    }

    .head_title .right_img {
        margin-left: -0.04rem;
        transform: rotateY(180deg);
    }

    .head_title h2 {
        bottom: 0.4rem;
        font-size: 0.53rem;
    }

    .desc_list_wrap {
        margin-top: 0.7rem;
        text-align: justify;
    }

    .desc_list_wrap .item {
        height: 2.5rem;
        border-radius: 0.1rem;
        margin-bottom: 0.88rem;
    }

    .desc_list_wrap .item .main_text p {
        margin-top: 0.16rem;
        line-height: 0.24rem;
    }

    .desc_list_wrap .item:nth-child(1),
    .desc_list_wrap .item:nth-child(3) {
        padding: 0 0.62rem 0 0.32rem;
    }

    .desc_list_wrap .item:nth-child(1) img,
    .desc_list_wrap .item:nth-child(3) img {
        margin-left: 0.8rem;
    }

    .desc_list_wrap .item:nth-child(2),
    .desc_list_wrap .item:nth-child(4) {
        padding: 0 0.32rem 0 0.62rem;
    }

    .desc_list_wrap .item:nth-child(2) img,
    .desc_list_wrap .item:nth-child(4) img {
        margin-right: 0.8rem;
    }
}

@media screen and (max-width: 1099px) and (min-width: 766px) {
    .list_main_wrap {
        padding: 0 0.7rem;
        padding-bottom: 0.88rem;
    }

    /* 标题 */
    .head_title img {
        width: 3rem;
        height: 1rem;
    }

    .head_title .left_img {
        margin-right: -0.28rem;
    }

    .head_title .right_img {
        margin-left: -0.04rem;
        transform: rotateY(180deg);
    }

    .head_title h2 {
        bottom: 0.4rem;
        font-size: 0.53rem;
    }

    .desc_list_wrap {
        margin-top: 0.7rem;
    }

    .desc_list_wrap .item {
        height: 1.8rem;
        border-radius: 0.1rem;
        margin-bottom: 0.4rem;
    }

    .desc_list_wrap .item .main_text p {
        margin-top: 0.16rem;
        line-height: 0.24rem;
    }

    .desc_list_wrap .item:nth-child(1),
    .desc_list_wrap .item:nth-child(3) {
        padding: 0 0.62rem 0 0.32rem;
    }

    .desc_list_wrap .item:nth-child(1) img,
    .desc_list_wrap .item:nth-child(3) img {
        margin-left: 0.8rem;
    }

    .desc_list_wrap .item:nth-child(2),
    .desc_list_wrap .item:nth-child(4) {
        padding: 0 0.32rem 0 0.62rem;
    }

    .desc_list_wrap .item:nth-child(2) img,
    .desc_list_wrap .item:nth-child(4) img {
        margin-right: 0.8rem;
    }
}

/* ===========  footer  =============== */

.footer_wrap {
    background-color: #330000;
}

.footer_wrap .main_wrap {
    margin: 0 auto;
    color: #7d2626;
}

@media screen and (max-width: 767px) {
    .footer_wrap .main_wrap {
        height: 0.4rem;
        font-size: 0.12rem;
    }
}

@media screen and (min-width: 1100px) {
    .footer_wrap .main_wrap {
        height: 0.65rem;
        max-width: 12.8rem;
        font-size: 0.18rem;
    }
}

@media screen and (max-width: 1099px) and (min-width: 766px) {
    .footer_wrap .main_wrap {
        height: 0.4rem;
        font-size: 0.12rem;
    }
}