.bt_box img {
    margin: 0 auto;
}

.bt_box {
    margin: 40px 0 20px 0;
}

img {
    display: block;
}

h3,
body {
    margin: 0;
}

.clearfix:after {
    content: "";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

.clearfix {
    *zoom: 1;
}

li {
    list-style: none;
}

/*banner*/
.banner img {
    position: relative;
    left: calc(50% - 960px);
}

.banner {
    position: relative;
    overflow: hidden;
}

/*你是否被以下问题困扰？*/
.problem h2,
.change h2,
.certificate h2,
.job h2,
.e h2,
.bottom h2 {
    font-size: 24px;
    font-weight: bold;
    text-align: center;
    color: #000000;
    margin-top: 40px;
}

.problem .line,
.change .line,
.certificate .line,
.job .line,
.major .line,
.bottom .line {
    width: 17%;
    background: #fffc24;
    height: 15px;
    margin: -32px auto 20px auto;
}

.problem img {
    margin: 0 auto;
    width: 100%;
}

.problem .link,
.change .link,
.certificate .link,
.job .link,
.e .sect-zx {
    background: #bfbfbf;
    border: 1px solid #000000;
    display: block;
    width: 20%;
    height: 50px;
    line-height: 50px;
    font-size: 20px;
    color: #000000;
    text-align: center;
    margin: 20px auto 50px auto;
}

.change h4 {
    color: #ff0000;
    font-size: 18px;
    text-align: center;
    margin-bottom: 5px;
    font-weight: normal;
}

.change h5 {
    color: #000000;
    font-size: 18px;
    text-align: center;
    margin-top: 0;
    font-weight: normal;
}

.change ul,
.certificate .picture,
.job ul,
.major ul {
    width: 1200px;
    margin: 0 auto;
}

.change li {
    float: left;
    width: calc(100% / 3 - 120px);
    margin: 10px 60px;
}

.change li img {
    width: 100%;
}

/*技能+学历  换一种方式上大学*/
.certificate {
    background: #eeeeee;
    padding-top: 20px;
    padding-bottom: 20px;
}

/*毕业后推荐就业*/
.job ul {
    margin: 20px auto;
}

.job li {
    float: left;
    width: calc(100% / 4 - 40px);
    margin: 10px 20px;
}

.job h4 {
    color: #ff0000;
    font-size: 18px;
    margin-bottom: 0;
    margin-top: 8px;
}

.job h5 {
    font-size: 14px;
    font-weight: normal;
    margin-top: 5px;
    color: #000000;
}

/*适合高中生的专业*/
.hot-major-box {
    width: 1200px;
    margin: 0 auto;
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -moz-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
}

.e li {
    /* float: left; */
    width: calc(25% - 22px);
    margin: 10px;
    border: 1px solid black;
    border-radius: 6px;
    overflow: hidden;
    text-align: center;
    padding-bottom: 25px;
}

.e h3 {
    font-size: 20px;
    color: black;
    margin: 10px 0;
}

.e .linka {
    background: #d10101;
    color: white;
    text-decoration: none;
    padding: 5px 18px;
    text-align: center;
    border-radius: 3px;
    border: 1px solid #ee7601;
    margin: 0 10px;
}

.e .linkb {
    color: black;
    text-decoration: none;
    padding: 5px 18px;
    text-align: center;
    border-radius: 3px;
    border: 1px solid black;
    margin: 0 10px;
}

.e .link {
    font-size: 18px;
}

.e b {
    font-size: 16px;
    padding: 5px 10px;
    border-radius: 4px;
    margin-left: 5px;
}

.e p {
    font-size: 14px;
    text-align: justify;
    color: #000000;
    padding: 5px 15px;
    line-height: 1.8;
}

.e li span {
    color: #FB0307;
}

/*还有疑问？在线老师帮你解答*/
.bottom img {
    width: 1159px;
    margin: 0 auto;
}

.bottom .picture {
    margin: 20px auto;
}