.service-img {
    width: 100%;
    height: 300px;
    background: url(../../images/service/header.png) no-repeat center;
    background-size: 100% 300px;
    position: relative;
}

.service-txt {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.service-txt p {
    color: #fff;
    text-align: center;
}

.service-txt p:first-child {
    font-size: 24px;
    letter-spacing: 14px;
    margin-bottom: 12px;
}

.service-txt p:nth-child(2) {
    font-size: 36px;
    letter-spacing: 0px;
    margin-bottom: 25px;
}

.service-txt span {
    display: block;
    width: 36px;
    height: 4px;
    background: #fff;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.main {
    width: 1200px;
    margin: 0 auto;
}

.main-top {
    width: 100%;
    height: 127px;
    position: relative;
}

.bread {
    display: flex;
    position: absolute;
    top: 55%;
    transform: translateY(-50%);
}

.service-nav {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}

.service-nav ul {
    display: flex;
}

.service-nav ul li {
    list-style: none;
    height: 33px;
    border: 1px solid #e5e5e5;
    border-radius: 18px;
    text-align: center;
    line-height: 31px;
    color: #999999;
    margin-left: 8px;
    cursor: pointer;
    transition: background 0.4s;
    padding: 0 16px 0 16px;
}

.service-nav ul li.service-active {
    height: 33px;
    line-height: 34px;
    background: #004088;
    border: none;
    color: #fff;
    padding: 0 17px 0 17px;
}

.service-nav ul li:hover {
    height: 33px;
    line-height: 34px;
    background: #004088;
    border: none;
    color: #fff;
    padding: 0 17px 0 17px;
}

.main-center {
    width: 100%;
    margin-bottom: 130px;
}

/* 技术培训 */
.training-box {
    width: 100%;
}

.training-img-box {
    width: 100%;
    height: 400px;
}

.txt-box {
    width: 100%;
    height: 280px;
}

.training-txt {
    margin-top: 62px;
    line-height: 40px;
    color: #4f565a;
    display: none;
}

/* 常见问题 */
.problem-box {
    width: 100%;
}

.proh2 {
    font-size: 18px;
    color: #004088;
    line-height: 88px;
    font-weight: 700;
    /* border-top: none !important; */
}
.problem-txt{
    width: 1100px;   
    padding-left: 20px;
    transition: height .3s;
}
.txtyx{  
    padding-bottom: 47px;
}
.problem-txt p {
    color: #777777;
    line-height: 32px;
}

.problem-list {
    margin-top: 47px;
}
.problem-list ul{
    width: 1142px;
}
.problem-list ul li {
    display: flex;
    justify-content: space-between;
    list-style: none;
    width: 1142px;
    height: 70px;
    line-height: 70px;
    border-top: 1px solid #dddddd;
    font-size: 18px;
    padding: 0 38px 0 20px;
    cursor: pointer;
    user-select: none;
}

.problem-list ul:last-child {
    border-bottom: 1px solid #dddddd;
}

.problem-list ul span {
    font-size: 18px;
    color: #b1b1b1;
    line-height: 70px;
}