::-webkit-scrollbar {
    width: 0px;
    height: 0px;
}

.navbar {
    background-color: white;
    box-shadow: 0px 0px 5px #ccc;
    transition: all 0.5s;
    color: #fff;
    padding: 0px 10px 0px 10px;
    /* color:#333; */
}


.class-icon {
    display: block;
    width: 32px;
    height: 52px;
    margin-right: 10px;
    background-size: 100% auto;
    background-repeat: no-repeat;
}


.carousel-item {

    /* height: 600px; */
}

.container-lg {}

#navbarSupportedContent {
    background-color: #fff;
}

.navbar-toggler {
    border: 1px solid #999;
    font-size: 20px;
}

.form-control {
    width: 170px !important;
}

.col {
    padding: 0px;
    /* border: 1px solid black; */
    text-align: center;
}

.categorize-menu {
    padding: 10px;
}

.categorize-menu .col {
    height: 70px;
    background-color: #1C5DBF;
    line-height: 70px;
    font-size: 18px;
    color: white;
    font-weight: bold;
    z-index: 10;
    cursor: pointer;

}

.categorize-menu .col {
    border-left: 5px solid #fff;
    transition: all 0.3s;
}

.categorize-menu .col:first-child {
    border-left: 0px solid #999;

}



.categorize-menu .active {
    border-bottom: 5px solid #1C5DBF;
    background-color: #fff;
    color: #666;
    box-shadow: 1px 1px 15px #1C5DBF;
}

.categorize-item {
    display: none;
    background-color: #fff;

}
.categorize-item .card{
    border: 0px solid #fff;
}
.categorize-item .col {
    border-left: 1px solid #eee;
    transition: all 0.3s;
    border-radius: 4px;

}

.categorize-item .col:hover {
    transform: translateY(-10px);

}

.device-name {
    font-size: 18px;
}

.device-title {
    color: #999;
}

.navitem span a {
    cursor: pointer;
    height: 80px;
    line-height: 80px;
    font-size: 18px;
    text-decoration: none;
    color: #333;
}

@media screen and (max-width: 1200px) {
    .navitem span a {

        font-size: 14px;

    }
}


.sub {
    /* color: #333; */
    display: none;
    padding-top: 60px;
    padding-bottom: 60px;
    left: 0px;
    top: 80px;
    position: fixed;
    width: 100%;
    box-shadow: inset 0px 3px 5px -3px #ccc, 0px 5px 10px -5px #ccc;
    background: #fff;
}

#logo {
    opacity: 1;
    transition: all 0.3s;
}

.section-hd {
    text-align: center;
    margin-bottom: 32px;

}

.section-title {
    text-align: center;
    font-weight: 500;
    font-size: 28px;
    color: #000;
    line-height: 48px;
}

.section-sub {
    margin-top: 12px;
}

.section-desc {
    font-size: 14px;
    color: #3d485d;
    line-height: 20px;
}

.section-links {
    color: #0052d9;
    margin-left: 12px;
}

.tencent-card {
    border-radius: 6px;
    box-shadow: 8px 8px 20px rgba(55, 99, 170, .1), -8px -8px 20px #fff;
    border: 2px solid #fff;

}

.section {
    background-color: #f3f5f8;
    padding-top: 50px;
    padding-bottom: 100px;
}

.class-title-h1 {
    font-size: 18px;
    font-weight: bold;
    display: flex;
    /* line-height: 60px; */
    height: 50px;
}

.class-title-h1 p {
    margin-top: 0px;
    display: block;
    line-height: 60px;
}

.sub-container li a {
    color: #666;
}

.sub-container .class-title-h2 a {
    font-weight: bold;
    margin-top: 10px;
    color: #0075C9;
}

.class-title-h1 a {
    color: #333;
}

.sub-container .col li {
    line-height: 24px;
    font-size: 14px;
}

.sub-container .col li:hover {
    cursor: pointer;
}

.foot {
    background-color: #0054a4;
    padding-top: 20px;
    color: white;
    padding-bottom: 20px;
}

.foot a {
    color: white;
    font-size: 14px;
    line-height: 20px;
}

.foot b {
    font-size: 30px;
}

.play-video-img {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translateX(-50%) translateY(-50%);
}