/* .pub_pc_box {
    background-color: rgba(0, 0, 0, 1);
}

.pub_header::after {
    content: '';
    height: 70px;
    display: block;
    background-color: #000;
} */

.pub_container{
    padding-top: 70px;
}

/* 公共部分 */

.index_tit {
    width: 100%;
    text-align: center;
    font-size: 20px;
}

.index_tit p {
    font-size: 2em;
    color: #2b2b2b;
}

.index_tit i {
    display: block;
    background-color: #ff4229;
    height: 2px;
    width: 3em;
    margin: 1em auto;
}

.index_tit span {
    font-size: 0.7em;
    color: #2b2b2b;
}

/* 互联网定制服务专家 */

.index_ad {
    width: 100%;
    background-image: url(../images/index_ad_bg.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    z-index: 1;
    padding: 6% 3%;
}

.index_ad .text {
    padding-top: 4%;
}

.index_ad .t1 {
    font-size: 18px;
    line-height: 2em;
    text-align: center;
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
}

.index_ad .t3 {
    font-size: 30px;
    color: #000000;
    line-height: 2em;
    text-align: center;
    width: 100%;
    margin: 0 auto;
}

.index_ad .t2 {
    font-size: 18px;
    text-align: center;
    width: 200px;
    height: 44px;
    line-height: 44px;
    color: #ff4229;
    border: 1px solid #ff4229;
    display: block;
    margin: 3% auto 0 auto;
    position: relative;
    transition: 0.2s;
}

.index_ad .t2:after {
    content: "";
    display: block;
    position: absolute;
    z-index: -1;
    width: 0;
    left: 50%;
    transform: translateX(-50%);
    height: 100%;
    background-color: #ff4229;
    transition: 1s;
    opacity: 0;
}

.index_ad .t2:after {
    right: 0;
    bottom: 0;
}

.index_ad .t2:hover {
    background: none;
    color: #fff;
}

.index_ad .t2:hover:after {
    width: 100%;
    opacity: 1;
}

/* 服务内容 */

.service_list {
    width: 100%;
}

.service_list li:after {
    content: "";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

.service_list .tit, .service_list .img {
    float: left;
    width: 50%;
    position: relative;
    height: 480px;
    overflow: hidden;
}

.service_list li:nth-child(even) .tit {
    float: right;
    text-align: right;
    justify-content: flex-end;
}

.service_list .img img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1);
    transition: 1s;
}

.service_list .tit {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0 10%;
}

.service_list .tit a, .service_list .tit i {
    display: block;
    text-transform: uppercase;
    font-style: normal;
    transition: 1s;
}

.service_list .tit .t1 {
    font-size: 26px;
    color: #2b2b2b;
}

.service_list .tit .i1 {
    width: 60px;
    height: 2px;
    background-color: #ff4229;
    margin: 20px 0;
    display: inline-block;
}

.service_list .tit .t2 {
    font-size: 16px;
    color: #2b2b2b;
    line-height: 1.6em;
    margin-bottom: 1em;
}

.service_list .tit .t3 {
    font-size: 14px;
    color: #606060;
    margin-top: 0.6em;
}

.service_list .tit .i2 {
    display: inline-block;
    width: 110px;
    height: 40px;
    margin: 20px 0 0 0;
    position: relative;
}

.service_list .tit .i2:before {
    content: '';
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-image: url(../images/right2.png);
    background-repeat: no-repeat;
    background-position: 10px center;
    transition: 1s;
    z-index: 1;
}

.service_list .tit .i2:after {
    content: '';
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 100%;
    transition: 1s;
    background-color: rgba(242, 20, 47, 0.8);
    z-index: 0;
}

.service_list .tit .i3 {
    font-size: 80px;
    color: #e2e2e2;
    position: absolute;
    right: 5%;
    bottom: 5%;
}

.service_list li:nth-child(even) .tit .i3 {
    right: auto;
    left: 3%;
}

.service_list .tit a:hover {
    color: #ff4229;
}

.service_list .img:hover img {
    transform: scale(1.1);
}

.service_list .tit:hover .i2 {
    width: 110px;
}

.service_list .tit:hover .i2:before {
    background-image: url(../images/right.png);
    background-position: 40px center;
}

.service_list .tit:hover .i2:after {
    width: 100%;
}

/* 新箭头 */

.service_list .i4 {
    width: 40px;
    height: 40px;
    border: 1px solid #9b9b9b;
    border-radius: 50%;
    background-image: url('../images/right_new.png');
    background-repeat: no-repeat;
    background-position: center 45%;
    background-size: 50% auto;
    margin: 40px 0 0 0;
    transition: 1s;
}

.service_list .tit:hover .i4 {
    background-image: url('../images/right_news.png');
    background-color: #f41c3b;
    border: 1px solid #f41c3b;
}

.service_list li:nth-child(even) .i4 {
    margin-left: auto;
}

@media screen and (max-width: 1200px) {
    .index_tit {
        font-size: 16px;
    }
    .service_list .tit, .service_list .img {
        height: 300px;
    }
    .service_list .tit .t1 {
        font-size: 18px;
    }
    .service_list .tit .t2 {
        font-size: 14px;
    }
    .service_list .tit .t3 {
        font-size: 12px;
    }
    .service_list .tit .i3 {
        font-size: 50px;
    }
    .service_list .tit .i1 {
        margin: 10px 0;
    }
    .service_list .tit .i2 {
        margin-top: 15px;
    }
}

@media screen and (max-width: 800px) {
    .index_tit {
        font-size: 12px;
    }
    .index_ad .t2 {
        width: 120px;
        height: 30px;
        line-height: 30px;
        font-size: 14px;
    }
    .index_ad .t1 {
        font-size: 14px;
    }
    .index_ad .t3 {
        font-size: 18px;
    }
    .service_list .tit, .service_list .img {
        float: none !important;
        width: 100%;
    }
    .service_list .tit {
        height: auto;
        padding: 8%;
    }
    .service_list .img {
        height: 50vw;
    }
    .service_list .tit .i3 {
        font-size: 40px;
    }
}