.container {
    width: 1200px;
    min-width: 1200px;
    margin: 0 auto;
    margin-top: 15px;
    margin-bottom: 30px;
}

.banner {
    width: 100%;
    min-height: 300px;
    background-color: #fff;
}

.banner a {
    display: inline-block;
    font-size: 0;
}

.til {
    display: flex;
    height: 80px;
    align-items: center;
    background-color: #fff;
    padding: 0 20px;
    border-bottom: 1px solid #ececec;
}

.til .crm {
    top: 0;
    height: 100%;
    line-height: 80px;
    width: 370px;
    font-size: 0;
    letter-spacing: -4px;
}

.til .crm .crm-icon {
    display: inline-block;
    width: 10px;
    height: 10px;
    background: url("../images/crm-icon.png") no-repeat left bottom;
    letter-spacing: normal;
}

.til .crm a {
    display: inline;
    background: url("../images/crm-arr-icon.png") no-repeat 15px center;
    padding-left: 30px;
    font-size: 14px;
    color: #929292;
    letter-spacing: normal;
    font-weight: bold;
}

.crm a.last {
    cursor: auto;
}

.til .sub_nav {
    position: relative;
    width: calc(100% - 370px);
}

.til .sub_nav .suul {
    font-size: 0;
    letter-spacing: -4px;
    text-align: right;
}


/* 鼠标特效移动 */
.til .sub_nav a {
    box-sizing: border-box;
    display: inline-block;
    position: relative;
    font-size: 14px;
    line-height: 80px;
    letter-spacing: normal;
    color: #726f6b;
    padding: 0 20px;
    font-weight: bold;
    transition: all .3s;
}

.sub_nav a::before {
    content: "";
    position: absolute;
    top: 0;
    left: 100%;
    width: 0;
    height: calc(100% - 2px);
    border-bottom: 2px solid #195094;
    transition: 0.2s all linear;
}

.sub_nav a:hover::before {
    width: 100%;
    top: 0;
    left: 0;
    transition-delay: 0.1s;
    border-bottom-color: #195094;
    z-index: 0;
}

.sub_nav a:hover~a::before {
    left: 0;
}

.sub_nav a:active {
    color: #195094;
}

.sub_nav a.active {
    color: #195094;
}

/* 鼠标特效移动 */



.devcourse,
.concept,
.aboutus {
    display: flex;
    width: 100%;
    padding: 0 10px;
    margin-bottom: 30px;
    background-color: #fff;
}


/* 公司简介 */
.aboutus .c_w_l {
    position: relative;
    width: 400px;
    min-height: 442px;
    border-right: 1px solid #ececec;
    padding-bottom: 40px;
    padding-top: 60px;
    padding-right: 20px;
}

.aboutus .c_w_r {
    width: calc(100% - 400px);
    padding-left: 40px;
    padding-top: 80px;
}

.aboutus .c_w_content {
    visibility: visible;
    padding-bottom: 55px;
    padding-right: 30px;
    animation-duration: 2s;
    animation-name: fadeIn;
    animation-fill-mode: both;
}

.c_w_l .l_img {
    position: relative;
    top: 40%;
    transform: translateY(-60%);
    margin: 0 auto;
    width: 70%;
    text-align: center;
}

.c_w_l .l_img p {
    font-size: 25px;
    color: rgb(218,216,216);
    font-family: 'Cascadia Code';
    font-weight: 600;
    margin: 15px auto;

}


.c_w_content h2 {
    font-size: 24px;
    color: #ff9000;
    color: #195094;
    line-height: 24px;
    letter-spacing: 10px;
    margin-bottom: 7px;
}

.c_w_content h3 {
    font-size: 32px;
    color: #cbc9c7;
    line-height: 36px;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.c_w_content p {
    font-size: 14px;
    color: #73706e;
    line-height: 24px;
    text-align: justify;
    margin-bottom: 24px;
}


/* 发展历程 */
.concept .c_w_l {
    width: 400px;
    position: relative;
    width: 400px;
    min-height: 442px;
    border-right: 1px solid #ececec;
    padding-bottom: 20px;
    padding-top: 80px;
}

.concept .c_w_r {
    padding-left: 40px;
    padding-top: 80px;
    padding-bottom: 80px;
    width: calc(100% - 400px);
}

.concept .c_w_r ul {
    width: 100%;
}

.concept .c_w_r li:first-child {
    border: 0 none;
}

.concept .c_w_r li {
    position: relative;
    padding: 30px 0;
    line-height: 1.5;
    border-top: 2px dashed #ececec;
}

.anim {
    animation-name: fadeIn;
    animation-duration: 1.2s;
    animation-fill-mode: both;
}

.concept .c_w_r li .time {
    position: absolute;
    left: -439px;
    top: 31px;
    font-size: 42px;
    color: #195094;
    line-height: 34px;
    padding-right: 54px;
    width: 400px;
    text-align: right;
    border-right: 3px solid #195094;
    font-weight: normal;
    letter-spacing: -2px;
}

.c_w_r li p {
    font-size: 14px;
    text-align: justify;
    color: #73706e;
    line-height: 18px;
    margin-bottom: 10px;
}

.c_w_r li .bg {
    position: absolute;
    left: 0;
    top: 0;
    width: 50%;
    z-index: -1;
    height: 100%;
    background-color: #fff;
    transition: all .3s;
    text-align: center;
    opacity: 0;
}

.concept .c_w_r .anim:hover .bg {
    background: #ebebeb;
    width: 1200px;

    left: -450px;
    opacity: 1;
}

/* 经营理念 */
.devcourse .c_w_l {
    position: relative;
    width: 400px;
    min-height: 442px;
    border-right: 1px solid #ececec;
    padding-bottom: 40px;
    padding-top: 60px;
    padding-right: 20px;
}

.devcourse .c_w_r {
    width: calc(100% - 400px);
    padding-left: 40px;
    padding-top: 80px;
}

.devcourse .c_w_content {
    visibility: visible;
    padding-bottom: 55px;
    padding-right: 30px;
    animation-duration: 2s;
    animation-name: fadeIn;
    animation-fill-mode: both;
}

@keyframes fadeIn {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}
.concept .c_w_l .l_img {
    display: none;
}