/*超大屏幕*/
@media screen and (min-width: 1900px) {
    .page_bg {
        height: 600px;
        background-size: 100% 600px;
    }
}

/*大屏幕*/
@media screen and (min-width: 769px) {
    .page_bg {
        height: 450px;
        background-size: 100% 450px;
    }

    .detail_container .div_intro_1, .div_intro_2 {
        margin-top:80px;
    }

    .detail_container .content p {
        color: #717171;
        margin-bottom: 20px;
        line-height: 30px;
    }
    
    .intro_img img {
        width: 100%;
    }

    .div_intro_1 .div_strategy {
        /*margin-bottom: 60px;*/
        letter-spacing: 2px;
    }

    .div_intro_1 .div_strategy .div_title {
        font-size: 20px;
        color: #00269a;
        font-weight: bold;
    }

    .div_intro_1 .div_strategy .div_sub_title {
        font-size: 16px;
        color: #00269a;
    }

    .div_intro_1 .div_strategy .div_hr {
        width: 50%;
    }

    .div_intro_1 .div_strategy .div_hr hr {
        background-color: #00269a;
        border: none;
        height: 1px;
        opacity: .8;
    }

    .div_intro_1 .div_strategy .div_content {
        color: #717171;
    }  

    .div_intro_1 .div_strategy .div_content ul {
        padding-left: 0;
    }  

    .div_intro_1 img{
        max-width: 90%;
    }
    
    .div_intro_1 .div_strategy .div_boss {
        padding-top: 40px;
        padding-left: 20px;
    }

    .readall_box {
        position: relative;
        z-index: 99;
        padding: 0 0 25px;
        margin-top: -200px;
        text-align: center;
    }
    .readall_box .read_more_mask {
        height: 200px;
        background: -moz-linear-gradient(bottom,rgba(255,255,255,0.1),rgba(255,255,255,0));
        background: -webkit-gradient(linear,0 top,0 bottom,from(rgba(255,255,255,0)),to(#fff));
        background: -o-linear-gradient(bottom,rgba(255,255,255,0.1),rgba(255,255,255,0))
    }
    .read_more_btn{
        cursor:pointer;
        font-size: 16px;
        color: #de686d;
        background: #fff;
        border-radius: 4px;
        border: 1px solid #de686d;
        line-height: 30px;
        padding:5px 10px;
    }

    .read_more_btn:hover{
        background:#de686d;color:#fff;
    }
}