body {
    background-color: #f0f4f4
}

header {
    background-color: #fff
}

nav {
    height: 80px;
    background-color: #fff;
}

nav .w {
    background-color: #1c76ea;
}

nav .w>ul {
    height: 80px;
    padding: 0 22px
}

nav .w>ul>li {
    float: left;
    height: 80px;
    line-height: 80px;
    margin-right: 14px;
    position: relative
}

nav .w>ul>li>a {
    display: block;
    padding: 0 28px;
    font-size: 18px;
    color: #fff
}

nav ul li:hover {
    background-color: #5595eb
}

nav .w>ul>li:last-child {
    margin-right: 0
}

nav .w>ul>li.current {
    background-color: #5595eb
}

nav .w>ul>li.current::after {
    content: "";
    width: 2px;
    height: 16px;
    /* background-color: #fff; */
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%)
}

.nav_second {
    position: absolute;
    background: #fff;
    top: 80px;
    z-index: 2;
    width: 100%;
    box-shadow: 0px 0px 4px rgba(0, 0, 0, 0.2);
    display: none;
}

nav ul>li:hover .nav_second {
    display: block;
}

.nav_second li {
    padding: 0 15px;
    box-sizing: border-box;
}

.nav_second a {
    display: block;
    font-size: 16px;
    text-align: center;
    line-height: 40px;
}

.nav_second a:hover {
    color: #fff
}

.topBanner {
    padding-top: 10px;
    background-color: #fff
}

.topBanner a {
    display: block
}

.breadcrumb {
    background-color: #fff;
    height: 54px;
    line-height: 54px;
    font-size: 14px;
    color: #666;
    border-bottom: 1px solid #ededed
}

.breadcrumb a {
    font-size: 14px;
    color: #666
}

.tabs {
    background-color: #fff;
    height: 64px;
    border-bottom: 1px solid #d2dddd
}

.tabs .w {
    text-align: center
}

.tabs .w ul li {
    height: 64px;
    line-height: 64px;
    display: inline-block;
    margin-right: 40px
}

.tabs .w ul li a {
    font-size: 16px;
    color: #8195AE;
    position: relative
}

.tabs .w ul li.current a {
    font-weight: 700;
    color: #1B75E9
}

.tabs .w ul li.current a::before {
    content: "";
    width: 30px;
    height: 2px;
    background-color: #1B75E9;
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%)
}

.tabs .w ul li:hover a {
    color: #1B75E9
}

.tabs .w ul li:last-child {
    margin-right: 0
}

main .w>.contentList>li {}

main .w>.contentList>li .feature {
    height: 392px;
    border-radius: 6px;
    background-color: #fff;
    margin-top: 28px;
    margin-bottom: 30px;
    padding: 0 20px
}

main .w>.contentList>li .feature .title {
    height: 50px;
    line-height: 50px;
    font-size: 16px;
    color: #333;
    border-bottom: 1px solid #ededed;
    position: relative;
    font-weight: 700
}

main .w>.contentList>li .feature .title::after {
    content: "";
    height: 1px;
    width: 40px;
    background-color: #1B75E9;
    position: absolute;
    bottom: -1px;
    left: 0
}

main .w>.contentList>li .feature .list {
    padding-left: 70px;
    margin-top: 30px
}

main .w>.contentList>li .feature .list li {
    float: left;
    width: 450px;
    height: 130px;
    background-color: #f5f5f5;
    margin-bottom: 20px;
    padding-left: 90px;
    padding-top: 20px;
    position: relative
}

main .w>.contentList>li .feature .list li .s_title {
    font-size: 18px;
    color: #889cb3;
    font-weight: 700;
    margin-bottom: 4px
}

main .w>.contentList>li .feature .list li .s_info {
    font-size: 14px;
    line-height: 21px;
    color: #8b9cb6
}

main .w>.contentList>li .feature .list li .icon_1 {
    width: 42px;
    height: 42px;
    background-position: -606px -226px;
    position: absolute;
    left: 26px;
    top: 20px
}

main .w>.contentList>li .feature .list li .icon_2 {
    width: 42px;
    height: 44px;
    background-position: -675px -226px;
    position: absolute;
    left: 26px;
    top: 20px
}

main .w>.contentList>li .feature .list li .icon_3 {
    width: 44px;
    height: 39px;
    background-position: -746px -226px;
    position: absolute;
    left: 26px;
    top: 20px
}

main .w>.contentList>li .feature .list li .icon_one {
    width: 17px;
    height: 32px;
    background-position: 0 -280px;
    position: absolute;
    left: -60px;
    top: 0
}

main .w>.contentList>li .feature .list li .icon_two {
    width: 24px;
    height: 34px;
    background-position: 0 -320px;
    position: absolute;
    left: -50px;
    top: 0
}

main .w>.contentList>li .feature .list li .icon_three {
    width: 24px;
    height: 33px;
    background-position: 0 -370px;
    position: absolute;
    left: -60px;
    top: 0
}

main .w>.contentList>li .feature .list li:first-child {
    margin-right: 90px
}

main .w>.contentList>li .program {
    height: 510px;
    border-radius: 6px;
    margin-bottom: 30px;
    padding: 0 20px;
    background: url(../images/program_bg.png) no-repeat;
    background-color: #fff;
    background-position: right 63px
}

main .w>.contentList>li .program .title {
    height: 56px;
    line-height: 56px;
    font-size: 16px;
    color: #333;
    border-bottom: 1px solid #ededed;
    position: relative;
    font-weight: 700
}

main .w>.contentList>li .program .title::after {
    content: "";
    height: 1px;
    width: 40px;
    background-color: #1B75E9;
    position: absolute;
    bottom: -1px;
    left: 0
}

main .w>.contentList>li .program .content ul {
    padding: 30px 0 0 10px
}

main .w>.contentList>li .program .content ul li {
    float: left;
    width: 322px;
    height: 390px;
    margin-right: 40px
}

main .w>.contentList>li .program .content ul li .s_title {
    display: inline-block;
    height: 52px;
    font-size: 16px;
    color: #333;
    padding-top: 34px;
    position: relative;
    margin-bottom: 8px;
    font-weight: 700
}

main .w>.contentList>li .program .content ul li .s_title:hover {
    text-decoration: underline
}

main .w>.contentList>li .program .content ul li .s_title::before {
    content: "";
    width: 30px;
    height: 4px;
    background-color: #B1C0C7;
    position: absolute;
    top: 24px;
    left: 0
}

main .w>.contentList>li .program .content ul li .s_info {
    font-size: 14px;
    color: #8195AF;
    font-weight: 700;
    margin-bottom: 26px
}

main .w>.contentList>li .program .content ul li .content {
    height: 76px;
    overflow: hidden;
    font-size: 14px;
    color: #666
}

main .w>.contentList>li .quantity {
    height: 60px;
    font-size: 16px;
    font-weight: 700;
    padding-top: 20px;
    color: #333
}

main .w>.contentList>li .teacherList {
    margin-bottom: 30px;
    border-radius: 6px
}

main .w>.contentList>li .teacherList li {
    float: left;
    width: 550px;
    height: 180px;
    background-color: #fff;
    border-bottom: 1px solid #f4f7f7;
    padding: 40px 0 40px 30px
}

main .w>.contentList>li .teacherList li a {
    display: block;
    position: relative
}

main .w>.contentList>li .teacherList li a img {
    margin-right: 20px
}

main .w>.contentList>li .teacherList li a .name {
    font-size: 20px;
    color: #333;
    margin-bottom: 0;
    font-weight: 700;
    position: relative;
    top: -6px
}

main .w>.contentList>li .teacherList li a .job {
    font-size: 14px;
    color: #8196af;
    margin-bottom: 20px
}

main .w>.contentList>li .teacherList li a .info {
    width: 200px;
    height: 48px;
    overflow: hidden;
    font-size: 16px;
    line-height: 24px;
    color: #666
}

main .w>.contentList>li .teacherList li a .icon_more {
    width: 8px;
    height: 30px;
    background-position: -774px -124px;
    position: absolute;
    right: 40px;
    top: 40px
}

main .w>.contentList>li .teacherList li:nth-child(1) {
    border-radius: 8px 0 0 0
}

main .w>.contentList>li .teacherList li:nth-child(2) {
    border-radius: 0 8px 0 0
}

main .w>.contentList>li .teacherList li:nth-child(5) {
    border-radius: 0 0 0 8px
}

main .w>.contentList>li .teacherList li:nth-child(6) {
    border-radius: 0 0 8px 0
}

main .w>.contentList>li .teacherList li:nth-child(2n+1) {
    border-right: 1px solid #f4f7f7
}

main .w>.contentList>li .teacherList li:hover {
    border: 1px solid #1c76ea
}

main .w>.contentList>li .successList {
    margin-bottom: 30px
}

main .w>.contentList>li .successList>li {
    width: 548px;
    float: left;
    background-color: #fff;
    border-bottom: 1px solid #f4f7f7;
    padding: 26px 30px 0 30px
}

main .w>.contentList>li .successList>li img {
    margin-right: 20px
}

main .w>.contentList>li .successList>li .name {
    font-size: 20px;
    color: #333;
    font-weight: 700;
    position: relative;
    top: -4px
}

main .w>.contentList>li .successList>li .lesson {
    font-size: 14px;
    color: #8196af;
    position: relative;
    top: 2px
}

main .w>.contentList>li .successList>li .lesson .icon_1 {
    width: 20px;
    height: 17px;
    background-position: -774px -180px;
    position: absolute;
    right: -32px;
    top: 0
}

main .w>.contentList>li .successList>li .lesson .icon_2 {
    width: 20px;
    height: 17px;
    background-position: -747px -180px;
    position: absolute;
    right: -32px;
    top: 0
}

main .w>.contentList>li .successList>li .content {
    margin-bottom: 20px;
    overflow: hidden;
    padding-top: 6px;
    border-top: 1px solid #eee;
    text-align: left;
    width: 400px;
    font-size: 16px;
    color: #666
}

main .w>.contentList>li .successList li:nth-child(1) {
    border-radius: 8px 0 0 0
}

main .w>.contentList>li .successList li:nth-child(2) {
    border-radius: 0 8px 0 0
}

main .w>.contentList>li .successList li:nth-child(7) {
    border-radius: 0 0 0 8px
}

main .w>.contentList>li .successList li:nth-child(8) {
    border-radius: 0 0 8px 0
}

main .w>.contentList>li .successList li:nth-child(2n+1) {
    border-right: 1px solid #f4f7f7
}

main .w>.contentList>li.current {
    display: block
}

main .w .c1_banner {
    padding: 20px;
    width: 1100px;
    height: 170px;
    background-color: #fff;
    border-radius: 6px;
    position: relative;
    margin-bottom: 10px
}

main .w .c1_banner .btn {
    display: inline-block;
    width: 220px;
    height: 70px;
    line-height: 70px;
    position: absolute;
    right: 50px;
    top: 50px;
    border: 2px solid #1161c8;
    font-size: 20px;
    color: #fff;
    text-align: center
}

main .w .c1_banner .btn:hover {
    border: 2px solid #fff;
    background-color: #fff;
    color: #629ef2;
    font-weight: 700
}

footer {
    height: 180px
}

footer .w div {
    color: #333
}

footer .w>div:nth-child(1) {
    padding-top: 50px;
    font-size: 20px
}

footer .w>div:nth-child(2) {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px
}

footer .w>div:nth-child(3) {
    font-weight: 700;
    font-size: 14px;
    line-height: 21px
}