html,
body {
    font-size: 18px;
    overflow-x: clip;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    margin: 0;
    padding: 0;
}

a {
    color: #2d2e2f;
    outline: none;
    text-decoration: none;
}

a:link {
    text-decoration: none;
}

a:visited {
    text-decoration: none;
}

a:hover {
    text-decoration: none;
}

a:active {
    text-decoration: none;
}

a:focus {
    text-decoration: none;
}

.nav_item .nav_con {
    top: 70px !important;
}

/* =================================================== */


.wrapper{
    /* background-image: url("../img/4-04-detailbg.png"); */
    background-color: #F3F3F3;
    background-position: center top;
    background-size: cover;
   
}
.content-list{
    width: 100%;
    max-width: 1150px;
    margin: 0 auto;
    background-color: #fff;
    height: 100%;
    padding: 80px;
}
.nav-bread {
    position: absolute;
    top: 30px;
}
.title {
    text-align: center;
}
.title h1 {
    font-size: 28px;
    line-height: 3rem;
}
.title p {
    margin-top: 20px;
    color: #9c9c9c;
    border-top: 1px solid #9c9c9c;
    line-height: 3rem;
    font-size: 14px;
}
.content {
    font-size: 18px;
    line-height: 2.5rem;
    text-indent: 2rem;
    text-align: justify;
}
.content table {
    max-width: 100%;
    border-collapse: collapse;
    padding: 0;
}
.content p {
    margin: 1.2rem 0;
}
.content img,
.content video {
    display: block;
    max-width: 80%;
    margin: 10px auto;
}
.back {
    text-align: center;
    margin: 100px auto 10px auto
}
.back a {
    width: 130px;
    height: 54px;
    display: inline-block;
    line-height: 54px;
    color: #fff;
    background-color: #0058c3;
    font-size: 18px;
    text-align: center;
    border-radius: 24px;
    transition: .3s;
}
.back a:hover {
    box-shadow: 0px 0px 4px 8px #cee4ff;
    transition: .3s;
}

@media screen and (max-width: 900px) {
    .wrapper {
        background-image: unset;
        background-color: #fff;
    }
    .wrapper-content {
        padding: 20px 0;
    }
    .nav-bread {
        display: none;
    }
    .content-list {
        width: 100%;
        background-color: unset;
        padding: 4%;
    }
    .title h1 {
        font-size: 1.1rem;
        font-weight: 600;
        line-height: 1.8rem;
    }
    .content {
        line-height: 2rem;
    }
    .content p {
        margin: 1.2rem 0;
    }
    .content img,
    .content video {
        max-width: 100% !important;
    }
    .back {
        margin: 60px auto 10px auto
    }
   
}