.body {
    margin-bottom: 0;
}

/*** 关于我们-大事纪 ***/
.aboutus-content {
    position: absolute;
    margin: 13% 30% 13% 10%;
    padding: 3% 5% 3% 5%;
    width: 45%;
    background-color: rgba(52, 195, 109, 0.8);
}

.course {
    background-size: 100% 100%;
}

.course-head {
    height: 15%;
    background-color: #262626;
    position: relative;
    overflow-y: hidden;
    z-index: 1;
}

.course-nonius {
    content: "";
    position: absolute;
    bottom: -1rem;
    height: 1.5rem;
    width: 2rem;
    background-color: #fff;
    transform: rotate(45deg);
    transition: left linear 0.3s;
    z-index: 1;
}

.course-body {
    overflow-y: auto;
    height: 85%;
    padding: 4% 12% 2%;
}

    .course-body > img {
        min-width: 100%;
    }

.course-head-item {
    text-align: center;
    height: 100%;
    cursor: pointer;
}

    .course-head-item > div {
        display: inline-block;
        vertical-align: middle;
    }

.course-icon {
    padding: 0 5%;
    width: 25%;
}

.course-title {
    font-size: 1.6rem;
}

.course-body-item {
    min-height: 4rem;
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 2rem;
}

    .course-body-item:hover {
        color: #34c36d;
    }

    .course-body-item:before {
        content: "";
        position: absolute;
        width: 6px;
        height: 6px;
        top: 13px;
        left: 32px;
        border-radius: 50%;
        background-color: #34c36d;
        z-index: -1;
        box-shadow: 0 0 0 0.2rem #fff, 0 0 0 0.25rem #34c36d;
    }

    .course-body-item:first-child:before, .course-body-item:last-child:before {
        content: "";
        position: absolute;
        width: 50px;
        height: 50px;
        top: -12px;
        left: 10px;
        border-radius: 50%;
        background-color: #34c36d;
        z-index: -1;
        box-shadow: 0 0.5rem 1rem 0.1rem rgba(52, 195, 109, 0.4),
            0 0 0 0.8rem rgba(255, 255, 255, 0.9), 
            0 0 0 0.9rem rgba(52, 195, 109, 0.3), 
            0 0 0 1.7rem rgba(255, 255, 255, 0.80), 
            0 0 0 1.8rem rgba(52, 195, 109, 0.15), 
            0 0 0 2.6rem rgba(255, 255, 255, 0.5), 
            0 0 0 2.7rem rgba(52, 195, 109, 0.05);
    }

    .course-body-item:after {
        content: "";
        position: absolute;
        width: 1px;
        top: 22px;
        left: 34px;
        border: 0.5px dashed #34c36d;
        height: 120%;
        z-index: 0;
    }

    .course-body-item:last-child:after {
        display: none;
    }

    .course-body-item > div {
        display: inline-block;
        vertical-align: top;
    }

    .course-body-item > span {
        display: inline-block;
        vertical-align: top;
        height: inherit;
    }

.course-body-year {
    z-index: 1;
    color: #fff;
    width: 4rem;
    height: 4rem;
    text-align: center;
    margin-right: 5%;
    font-weight: normal;
}

.course-body-content {
    width: 80%;
}

    .course-body-content > .detail {
        color: #999;
        font-size: 1.5rem;
        font-weight: normal;
    }

/*** 关于我们-企业文化 ***/
.culture {
    background-size: 100% 100%;
}

.culture-list {
    z-index: 1;
}

.culture-detail {
    display: none;
}

.culture-list, .culture-detail {
    height: 80%;
    width: 100%;
    padding: 5% 10%;
    position: absolute;
}

    .culture-list > div {
        height: 100%;
    }

.culture-item, .culture-detail-icon {
    text-align: center;
}

.culture-item, .culture-content, .culture-detail-icon {
    height: inherit;
    width: 70%;
    position: absolute;
    transition: opacity linear 0.5s;
}

.culture-item, .culture-content{
    margin: 0 15%;
}

.culture-detail-icon {
    cursor: pointer;
    background-color: rgba(0,0,0,0.5);
    padding: 1.5rem;
}

.culture-content {
    opacity: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
    padding: 5%;
    font-size: 1.8rem;
    line-height: 250%;
    cursor: pointer;
}

    .culture-content > .title {
        margin-bottom: 2rem;
    }

    .culture-content > .lookdetail {
        position: absolute;
        bottom: 0;
        text-align: center;
        width: 90%;
    }

    .culture-content:hover {
        opacity: 1;
    }

        .culture-content:hover + .culture-item {
            opacity: 0;
        }

.culture-item > div {
    display: inline-block;
}

.culture-detail-content {
    width: 67%;
    height: 80%;
    background-color: rgba(0,0,0,0.5);
    color: #fff;
    text-align: left;
    position: absolute;
    padding: 2% 4%;
    top: 10%;
    opacity: 0;
    overflow-y: auto;
    left: 400px;
}

.slide-item {
    background-repeat: no-repeat;
    background-size: 100% 100%;
    width: 100%;
    height: 100%;
    position: absolute;
    right: -100%;
}

.aboutus-content > .title {
    font-size: 5.5rem;
    margin-bottom: 3%;
}

.aboutus-content > .content {
    line-height: 2;
    font-size: 1.8rem;
}



.hy-change-content {
    margin-top: 18px;
    width: 50%;
    overflow: hidden;
    float: left;
}

.hy-change-word {
    font-size: 13px;
    float: left;
    width: 60%;
    margin-left: 12px;
}

.hy-change-tittle {
    font-size: 20px;
}

.hy-change-image {
    float: left;
}

.hy-spirit-top {
    width: 50%;
    float: left;
}

.hy-spirit-left {
    float: left;
    padding: 2.8%;
}

.hy-spirit-tittle {
    font-size: 20px;
    font-weight: bold;
    margin-top: 12px;
}

.hy-spirit-word {
    font-size: 16px;
}

.hy-value-tittle {
    line-height: 50px;
    text-align: center;
    font-size: 18px;
}

.hy-value-word {
    font-size: 12px;
    text-align: center;
    line-height: 27px;
}

.hy-supportbg {
    text-align: center;
}

@media (max-width: 768px) {
    .slide-item {
        background-size: auto 100%;
    }

    .aboutus-content {
        margin: 30% 5%;
        width: 90%;
        height: 75%;
        padding: 0;
        background-color: transparent;
    }

        .aboutus-content > .title {
            font-size: 4rem;
            padding: 4%;
            width: 65%;
            background-color: rgba(214, 21, 24, 0.7);
            margin-left: 35%;
        }

        .aboutus-content > .content {
            padding: 1rem;
            background-color: rgba(0, 0, 0, 0.6);
            font-size: 1.6rem;
        }

    .course-head {
        height: 9em;
    }

    .course-head-item > div {
        display: block;
    }

    .course-icon {
        width: 60%;
        margin: 1rem auto;
    }

    .course-title {
        font-size: 1rem;
    }

    .course-body {
        height: 80%;
        padding: 15% 2% 5% 2%;
        overflow-y: auto;
    }

    .course-body-item {
        font-size: 1.4rem;
        margin-bottom: 0;
    }

        .course-body-item:first-child:before, .course-body-item:last-child:before {
            width: 3rem;
            height: 3rem;
            left: 1.8rem;
            top: -0.5rem;
            z-index: 1;
        }

        .course-body-item:before {
            z-index: 1;
        }

        .course-body-item:after {
            height: 105%;
            top: 1.8rem;
            z-index: 2;
        }

        .course-body-item > div {
            line-height: 1.5;
        }

    .course-body-content {
        width: 80%;
        margin-left: 20%;
    }

        .course-body-content > .detail {
            font-size: 1.3rem;
        }

    .title-decorate-square-line:before, .title-decorate-square-line:after {
        width: 4rem;
    }

    .culture-list {
        overflow: hidden;
        height: 80%;
        width: 100%;
        padding: 5% 10%;
    }

        .culture-list > div {
            height: 30%;
            padding: 0;
            margin-bottom: 2rem;
        }

    .culture-item{
        width: 100%;
    }

    .culture-item .title {
        font-size: 1.5rem;
    }

    .culture-item img {
        max-width: 60%;
    }

    .culture-content {
        margin: 0;
        width: 100%;
        height: 350%;
        background-color: rgba(0, 0, 0, 0.8);
    }

        .culture-content > div {
            font-size: 1.5rem;
            line-height: 2;
        }

        .culture-content > .title {
            margin-bottom: 2rem;
            font-size: 2rem;
        }

    .culture-detail {
        padding: 0;
    }

    .culture-detail-content {
        width: 94%;
        margin: 0 3%;
        padding: 2rem;
        background-color: rgba(0, 0, 0, 0.8);
        left: 0;
    }

    .culture-detail-icon-backbtn {
        position: absolute;
        top: 10%;
        width: 3rem;
        height: 3rem;
        color: #fff;
        background-color: #b90006;
        right: 3%;
        font-size: 2rem;
        text-align: center;
        z-index: 2;
        opacity: 0;
        transition: opacity 1s linear;
    }

        .culture-detail-icon-backbtn.active {
            opacity: 1;
        }

    .hy-change-content {
        margin-top: 30px;
        width: 100%;
    }

    .hy-change-word{
        width: 50%;
    }

    .hy-change-image {
        width: 40%;
    }

    .hy-change-tittle {
        font-size: 2rem;
        font-weight: bold;
    }

    .hy-spirit-top {
        width: 46%;
        margin: 2%;
    }

    .hy-spirit-word{
        font-size: 1rem;
    }

    .hy-spirit-left {
        line-height: 1.5;
        margin: 1.5rem 0rem;
    }

        .hy-spirit-left img {
            width: 40%;
            margin: 0 30%;
        }

    .hy-value-word {
        line-height: 1.5;
    }

    .culture-item, .culture-content{
        margin: 0;
    }
}

@media only screen and (min-width: 768px) and (max-width: 979px) {
    .aboutus-content > .title {
        font-size: 3rem;
    }

    .aboutus-content > .content {
        font-size: 1.6rem;
    }

    .course-body-content {
        width: 70%;
    }

    .title-decorate-square {
        position: absolute;
        width: 100%;
        left: 0;
    }

        .title-decorate-square:before, .title-decorate-square:after, .title-decorate-square-line:before, .title-decorate-square-line:after {
            display: none;
        }

    .culture-list, .culture-detail {
        height: 100%;
        padding: 13% 10% 5%;
    }

    .culture-content {
        line-height: 1.5;
        font-size: 14px;
    }

        .culture-content > .title {
            font-size: 20px;
        }

    .culture-detail-content {
        left: 250px;
        height: 70%;
        margin-top: 5%;
    }
}

@media only screen and (min-width: 979px) and (max-width: 1366px) {
    .aboutus-content > .title {
        font-size: 40px;
    }

    .aboutus-content > .content {
        font-size: 15px;
    }

    .course-body {
        overflow-y: auto;
    }

    .culture-content {
        font-size: 15px;
    }

    .culture-detail-content {
        margin: 0 0 0 -10%;
    }
}

@media only screen and (min-width: 1367px) and (max-width: 1600px) {
}

@media only screen and (min-width: 1601px) and (max-width: 1920px) {
}