input::-webkit-input-placeholder {
    opacity: 0.5;
}

.layui-tab-title li {
    padding: 0 !important;
    margin-right: 30px;
}

.layui-tab {
    width: 100%;
    background: #f6f6f6;
}

.layui-tab > ul {
    width: 1200px;
    height: 60px;
    margin: 0 auto;
}

.layui-tab > ul * {
    font-size: 16px !important;
    color: #7e8184;
    line-height: 60px !important;
}

.layui-this > a {
    color: #1476fe !important;
}

.layui-tab > ul > .layui-this:after {
    height: 61px !important;
    border-bottom: 2px solid #1476fe !important;
}

.layui-tab > ul {
    border: none !important;
}

.layui-nav-child {
    padding: 0 !important;
}


.help_box h1 {
    margin-top: 65px;
    height: 30px;
    font-size: 30px;
    color: #191f25;
}

.help_box .help_content {
    overflow: hidden;
}

.help_box h1 {
    margin-bottom: 50px;
}

.help_box .help_content .content_item {
    float: left;
    margin-bottom: 40px;
    margin-right: 77px;
    width: 150px;
    font-size: 20px;
    cursor: pointer;
}

.help_box .help_content li:nth-child(5) {
    float: left;
    margin-bottom: 45px;
    width: 135px;
    font-size: 20px;
    cursor: pointer;
}

.help_box .help_content .content_item:hover {
    color: #1476fe;
}

.help_box .help_content .content_item ul li {
    float: left;
}

.help_box .help_content .content_item ul li .content_item_image {
    vertical-align: middle;
    margin-right: 15px;
}

.help_box .help_content .content_item ul li p {
    padding-top: 4px;
    height: 30px;
}

.help_problem {
    margin: 65px 0;
    height: auto;
}

.help_problem span {
    font-weight: bold;
    font-size: 30px;
    color: #191f25;
}

.help_problem h1 {
    font-size: 30px;
    color: #191f25;
}

.problem-list-container {
    display: flex;
    flex-wrap: wrap;
    padding: 10px 0;
}

.problem-list-container > .problem_list {
    width: 400px;
    flex-grow: 1;
    flex-shrink: 0;
    margin-top: 50px;
    margin-bottom: 50px;
}

.help_problem .problem_title {
    height: 30px;
    margin-bottom: 25px;
    font-size: 24px;
    color: #191f25;
    padding-left: 15px;
    border-left: 5px solid #1476fe;
}

.help_problem .problem_item {
    margin-top: 16px;
    margin-left: 15px;
    font-size: 16px;
    cursor: pointer;
    padding-right: 18px;
}

.help_problem .problem_item:hover {
    color: #1476fe;
}

.category-init {
    padding-left: 40px !important;
    background-repeat: no-repeat;
}

.test {
    margin-top: 65px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

.test a {
    font-size: 20px;
}