.site-main {
    background: url(../images/about/content_bg.png) 50% 0 / 100% auto repeat-y;
    text-align: center;
}
.content-nav {
    text-align: center;
    padding: 96px 0 120px;
}
.content-nav li a {
    font-size: 28px;
    min-width: 180px;
    padding: 0 8px;
    line-height: 1.5;
    margin-bottom: 5px;
}
.content-nav li a:hover,
.content-nav li.active a {
    font-weight: bold;
}

.content-title {
    font-size: 28px;
    font-weight: bold;
    line-height: 1;
    margin-bottom: 60px;
}
.content-title small {
    font-size: 20px;
    font-weight: normal;
}
.about-content .editor {
    max-width: 765px;
    margin: 0 auto 40px;
    font-size: 21px;
}

.cobrand-content {
    background: url(../images/about/txt_bg.jpg) 50% 0 / cover no-repeat;
    margin-bottom: -96px;
    text-align: left;
}
.cobrand-content .container {
    max-width: 960px;
    min-height: 1030px;
}
.cobrand-content .content-title {
    position: absolute;
    top: 48%;
    left: 15px;
}
.cobrand-content .editor {
    position: absolute;
    top: 48%;
    left: 15px;
    width: 400px;
    font-size: 21px;
    margin-top: 100px;
}

@media screen and (max-width: 1000px) {
    .cobrand-content .container {
        min-height: 800px;
        max-width: 700px;
    }
    .cobrand-content .content-title,
    .cobrand-content .editor {
        top: 42%;
    }
    .cobrand-content .editor {
        width: 380px;
    }
}
@media screen and (max-width: 767px) {
    .content-nav {
        padding: 20px 0 45px;
    }
    .content-nav li a {
        min-width: 0;
        padding: 0 10px;
        font-size: 20px;
    }
    .content-title {
        font-size: 20px;
        margin-bottom: 30px;
    }
    .content-title small {
        font-size: 14px;
    }
    .about-content .editor {
        font-size: 14px;
    }
    .cobrand-content .container {
        min-height: 500px;
        max-width: 480px;
    }
    .cobrand-content .content-title {
        font-size: 18px;
    }
    .cobrand-content .content-title small {
        font-size: 13px;
    }
    .cobrand-content .editor {
        width: 50%;
        font-size: 14px;
        margin-top: 50px;
    }
}
@media screen and (max-width: 500px) {
    .cobrand-content .container {
        min-height: 360px;
        max-width: 94%;
        padding-top: 45%;
        padding-bottom: 10%;
    }
    .cobrand-content .content-title,
    .cobrand-content .editor {
        position: static;
    }
    .cobrand-content .content-title {
        margin-bottom: 10px;
    }
    .cobrand-content .editor {
        margin-top: 0;
        width: 64%;
    }
}
@media screen and (max-width: 400px) {
    .cobrand-content {
        background: #D9DFED;
    }
    .cobrand-content .container {
        min-height: 0;
        padding-top: 10%;
        padding-bottom: 10%;
    }
    .cobrand-content .editor {
        margin-top: 0;
        width: auto;
    }
}