.doc-container {
    overflow: hidden;
}

.doc-title {
    height: 300px;
    min-height: 300px;
    position: relative;
    color: #fff;
    text-align: center;
    background-image: url(../img/yzzw-doc/doc-title-bg.png);
    background-size: cover;
    background-clip: border-box;
    z-index:1;
    padding-bottom: 40px;
}

.doc-title::after {
    position: absolute;
    top: 0;
    content: "";
    left: 0;
    padding: 0;
    height: 100%;
    width: 100%;
    opacity: .8;
    z-index: -1;
    background: #4776E6 linear-gradient(to left, rgba(37, 92, 253, 0.85), rgba(59, 70, 236, 0.85), rgba(87, 64, 202, 0.85), rgba(108, 60, 187, 0.85), rgba(115, 0, 189, 0.85));
}

.doc-title .doc-title-content h1 {
    font-size: 2rem;
    color: #ffffff;
    text-transform: capitalize;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.3;
    font-family: sans-serif;
}

.doc-title .doc-title-content p {
    margin-bottom: 5px;
    color: #fff;
    font-size: 1.25rem;
    line-height: 1.5;
}

.doc-content {
    background-color: #f4f7fa;
    padding-top: 20px;
}

.doc-content .catalog {
    padding-top: 20px;
}

.doc-content .catalog .catalog-content {
    /*position: fixed;*/
    height: fit-content;
    background-color: #fff;
    border-radius: 3px;
    -webkit-box-shadow: 0 0 40px 0 rgba(0, 0, 0, 0.05);
    box-shadow: 0 0 40px 0 rgba(0, 0, 0, 0.05);
    padding: 25px;
}

.doc-content .catalog .catalog-content .level1 a {
    font-size: 18px;
    font-weight: bold;
    line-height: 40px;
}

.doc-content .catalog .catalog-content .level2 a {
    font-size: 16px;
    padding-left: 20px;
    line-height: 35px;
}

.doc-content .catalog .catalog-content .level3 a {
    font-size: 14px;
    padding-left: 40px;
    line-height: 30px;
}

.doc-content .content {
    padding-top: 20px;
}

.doc-content .content .content-detail {
    height: fit-content;
    background-color: #fff;
    border-radius: 3px;
    -webkit-box-shadow: 0 0 40px 0 rgba(0, 0, 0, 0.05);
    box-shadow: 0 0 40px 0 rgba(0, 0, 0, 0.05);
    padding: 25px;
}

.doc-content .content .content-detail h2 {
    font-size: 1.75rem;
    text-transform: capitalize;
    margin-bottom: 20px;
    font-weight: 600;
}
.doc-content .content .content-detail h3 {
    font-size: 1.5rem;
    text-transform: capitalize;
    margin-bottom: 20px;
    font-weight: 500;
}
.doc-content .content .content-detail h4 {
    font-size: 1.25rem;
    text-transform: capitalize;
    margin-bottom: 20px;
    font-weight: 400;
}

.doc-content .content .content-detail p {
    font-size: 1rem;
    text-transform: capitalize;
    margin-bottom: 20px;
    font-weight: 400;
    line-height: 1.5;
    text-indent:2em;
}
.doc-content .content .content-detail .img-container {
    text-align: center;
}
.doc-content .content .content-detail img {
    border: 1px solid #c9c9c9;
    display: block;
    margin: 0 8px 8px 8px;
    width: 187px;
}
.doc-content .content .content-detail .img-desc {
    text-align: center;
    text-indent: 0em;
    font-size: 0.8rem;
    color: #5a6268;
}