.search_box {
    height: 590px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    padding-top: 184px;
    box-sizing: border-box;
}

.search_box h1 {
    font-size: 54px;
    line-height: 62px;
    color: #fff;
    font-weight: bold;
    text-align: center;
}

.search_box .tips {
    width: 513px;
    font-size: 18px;
    line-height: 22px;
    color: #fff;
    font-weight: 400;
    text-align: center;
    margin: 76px auto 32px;
}

.search_box .input_box {
    width: 689px;
    height: 58px;
    margin: auto;
    position: relative;
}

.search_box .input_box .search_icon {
    width: 18px;
    height: 18px;
    position: absolute;
    right: 20px;
    top: 20px;
}

.search_box .input_box .search {
    position: absolute;
    width: 100%;
    height: 100%;
}

.search_box .input_box .search input {
    width: 100%;
    height: 100%;
    /* padding: 21px; */
    box-sizing: border-box;
    outline: none;
    border: none;
    font-size: 16px;
}

.search_box .input_box input::-webkit-input-placeholder {
    color: #C6C6C6;
}

.search_box .input_box input:-moz-placeholder {
    color: #C6C6C6;
}

.search_box .input_box input:-ms-input-placeholder {
    color: #C6C6C6;
}

.category_wrap {
    flex-wrap: wrap;
    padding: 111px 0 228px;
}

.category_wrap .category_item {
    width: 380px;
    height: 392px;
    position: relative;
    border-bottom: 0.5px solid rgba(151, 151, 151, 0.2);
    cursor: pointer;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}


.category_wrap .category_item:hover {
    box-shadow: 0 0 10px rgba(151, 151, 151, 0.2);
}

.category_wrap .category_item .pro_name {
    font-size: 20px;
    line-height: 23px;
    position: absolute;
    bottom: 43px;
    left: 0;
    width: 100%;
    text-align: center;
    color: #000;
}

.manuals_wrap .manuals_item {
    width: 100%;
    height: 100%;
    display: table;
}

.manuals_wrap .manuals_item .left_box {
    width: 50%;
    display: table-cell;
    height: 100%;
}

.manuals_wrap .manuals_item .right_box {
    width: 50%;
    display: table-cell;
    height: 100%;
    background: #F7F8F9;
    position: relative;
}

.manuals_wrap .manuals_item .right_box .bg_icon {
    width: 191px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
}

.manuals_wrap .manuals_item .right_box .text_wrap {
    position: absolute;
    left: 150px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
}

.manuals_wrap .manuals_item .right_box .text_wrap2 {
    position: absolute;
    right: 183px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
}

.manuals_wrap .manuals_item .right_box .text_wrap2 h1 {
    font-size: 60px;
    line-height: 72px;
    font-family: barlow;
    margin-bottom: 46px;
}

.manuals_wrap .manuals_item .right_box .text_wrap2 a {
    font-size: 24px;
    line-height: 28px;
    color: #000;
    margin-bottom: 31px;
    cursor: pointer;
    display: block;
}

.manuals_wrap .manuals_item .right_box .text_wrap2 a:hover {
    color: #333;
}

.manuals_wrap .manuals_item .right_box .text_wrap2 a .iconfont {
    margin-left: 10px;
}

.manuals_wrap .manuals_item .right_box .text_wrap h1 {
    font-size: 60px;
    line-height: 72px;
    font-family: barlow;
    margin-bottom: 40px;
}

.manuals_wrap .manuals_item .right_box .text_wrap .btn_more {
    width: 170px;
    height: 46px;
    background: #000;
    color: #fff;
    font-size: 16px;
    line-height: 46px;
    text-align: center;
    padding: 0 25px 0 28px;
    box-sizing: border-box;
    cursor: pointer;
}

.manuals_wrap .manuals_item .right_box .text_wrap .btn_more .iconfont {
    font-size: 14px;
}

.manuals_wrap .manuals_item .right_box .text_wrap .btn_more:hover {
    background: #333;
}

.contact_wrap {
    padding: 158px 0 279px;
    text-align: center;
}

.contact_wrap .border_contact {
    width: 100%;
    height: 1px;
    background: rgba(151, 151, 151, 0.2);
}

.contact_wrap h1 {
    font-size: 40px;
    line-height: 45px;
    margin: 135px 0 49px;
    font-weight: bold;
    color: #000;
}

.contact_wrap .desc {
    font-size: 22px;
    line-height: 26px;
    color: #000;
}

@media only screen and (min-width:992px) and (max-width:1200px) {
    .search_box {
        height: 416px;
        padding-top: 121px;
    }

    .search_box h1 {
        font-size: 40px;
        line-height: 45px;
    }

    .search_box .tips {
        font-size: 16px;
        line-height: 18px;
        margin: 42px auto 24px;
    }

    .category_wrap {
        padding: 61px 0 82px;
    }

    .category_wrap .category_item {
        width: 319px;
        height: 327px;
    }

    .category_wrap .category_item .pro_name {
        font-size: 18px;
        line-height: 21px;
        bottom: 30px;
    }

    .manuals_wrap .manuals_item .right_box .bg_icon {
        width: 95px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap {
        left: 75px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap h1 {
        font-size: 32px;
        line-height: 38px;
        margin-bottom: 22px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap .btn_more {
        width: 152px;
        height: 41px;
        font-size: 16px;
        line-height: 41px;
        padding: 0 15px 0 25px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap .btn_more .iconfont {
        font-size: 12px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap2 {
        right: 140px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap2 h1 {
        font-size: 32px;
        line-height: 38px;
        margin-bottom: 22px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap2 a {
        font-size: 16px;
        line-height: 18px;
        margin-bottom: 12px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap2 a .iconfont {
        margin-left: 30px;
        font-size: 12px;
    }

    .contact_wrap {
        padding: 159px 0 148px;
    }


    .contact_wrap h1 {
        font-size: 28px;
        line-height: 32px;
        margin: 130px 0 50px;
    }

    .contact_wrap .desc {
        font-size: 18px;
        line-height: 21px;
        color: #000;
    }

}

@media only screen and (min-width:769px) and (max-width:991px) {
    .search_box {
        height: 341px;
        padding-top: 87px;
    }

    .search_box h1 {
        font-size: 30px;
        line-height: 34px;
    }

    .search_box .tips {
        font-size: 14px;
        line-height: 18px;
        margin: 50px auto 24px;
    }

    .search_box .input_box {
        width: 492px;
        height: 51px;
    }

    .search_box .input_box .search_icon {
        width: 14px;
        height: 14px;
        right: 20px;
        top: 19px;
    }

    .search_box .input_box input {
        padding: 16px 40px 16px 24px;
    }

    .category_wrap {
        padding: 42px 0 71px;
    }

    .category_wrap .category_item {
        width: 239px;
        height: 246px;
    }

    .category_wrap .category_item .pro_name {
        font-size: 14px;
        line-height: 16px;
        bottom: 22px;
    }

    .manuals_wrap .manuals_item .right_box .bg_icon {
        width: 72px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap {
        left: 56px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap h1 {
        font-size: 24px;
        line-height: 29px;
        margin-bottom: 16px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap .btn_more {
        width: 114px;
        height: 31px;
        font-size: 12px;
        line-height: 31px;
        padding: 0 11px 0 19px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap .btn_more .iconfont {
        font-size: 12px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap2 {
        right: 105px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap2 h1 {
        font-size: 24px;
        line-height: 29px;
        margin-bottom: 16px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap2 a {
        font-size: 12px;
        line-height: 14px;
        margin-bottom: 8px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap2 a .iconfont {
        margin-left: 10px;
        font-size: 12px;
    }

    .contact_wrap {
        padding: 126px 0 148px;
    }


    .contact_wrap h1 {
        font-size: 28px;
        line-height: 32px;
        margin: 130px 0 50px;
    }

    .contact_wrap .desc {
        font-size: 18px;
        line-height: 21px;
        color: #000;
    }
}

@media only screen and (max-width:768px) {
    .search_box {
        height: 190px;
        padding-top: 37px;
    }

    .search_box h1 {
        font-size: 18px;
        line-height: 21px;
    }

    .search_box .tips {
        width: 375px;
        font-size: 12px;
        line-height: 14px;
        margin: 20px auto 16px;
    }

    .search_box .input_box {
        width: 324px;
        height: 34px;
    }

    .search_box .input_box .search_icon {
        width: 12px;
        height: 12px;
        right: 15px;
        top: 11px;
    }

    .search_box .input_box input {
        padding: 10px 30px 10px 13px;
        font-size: 12px;
    }

    .category_wrap {
        padding: 15px 8px 36px;
    }

    .category_wrap .category_item {
        width: 50%;
        height: 190px;

    }

    .category_wrap .category_item .pro_name {
        font-size: 12px;
        line-height: 14px;
        bottom: 30px;
    }

    .manuals_wrap .manuals_item {
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;
        padding: 0 8px;
        margin-bottom: 24px;
    }

    .manuals_wrap .manuals_item .left_box {
        width: 100%;
        display: block;
    }

    .manuals_wrap .manuals_item .right_box {
        width: 100%;
        display: block;
        height: 100%;
        background: #F7F8F9;
        position: relative;
        padding: 25px 26px 24px 13px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap {
        position: static;
        transform: translateY(0);
        z-index: 2;
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap h1 {
        font-size: 24px;
        line-height: 29px;
        margin-bottom: 0;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap .btn_more {
        width: 113px;
        height: 31px;
        font-size: 12px;
        line-height: 31px;
        padding: 0 11px 0 19px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap .btn_more .iconfont {
        font-size: 12px;
    }

    .manuals_wrap .manuals_item:last-child {
        flex-direction: column-reverse;
    }

    .manuals_wrap .manuals_item:last-child .right_box {
        padding: 23px 30px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap2 {
        position: static;
        transform: translateY(0);
        z-index: 2;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap2 h1 {
        font-size: 24px;
        line-height: 29px;
        margin-bottom: 16px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap2 a {
        font-size: 12px;
        line-height: 14px;
        margin-bottom: 8px;
    }

    .manuals_wrap .manuals_item .right_box .text_wrap2 a .iconfont {
        font-size: 8px;
    }

    .contact_wrap {
        padding: 6px 0 60px;
    }


    .contact_wrap h1 {
        font-size: 24px;
        line-height: 28px;
        margin: 59px 0 14px;
    }

    .contact_wrap .desc {
        padding: 0 10px;
        font-size: 16px;
        line-height: 18px;
    }
}