* {
    box-sizing: border-box;
    cursor: default;
}

p {
    margin: 0;
}

a {
    text-decoration: none;
    color: #FFFFFF;
}

body, html {
    margin: 0;
}

.containBoxIndex .iframeBox {
    position: absolute;
    width: 100%;
    height: 100%;
}

.containBoxIndex .service {
    display: none;
}

.container-fluid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #fff;
    padding-bottom: 3px;
    z-index: 20;
    font-size: 0;
}

.container-fluid .demo {
    padding: 15px 15px 15px 45px;
    position: relative;
    height: 53px;
}

.container-fluid .demo .caidan {
    position: absolute;
    left: 15px;
    top: 15px;
    width: 30px;
    height: auto;
    z-index: 25;
}

.container-fluid .demo .title {
    position: absolute;
    left: 0;
    top: 15px;
    width: 100%;
    line-height: 23px;
    text-align: center;
    color: #1F1F1F;
    font-size: 17px;
    font-weight: bold;
    z-index: 23;
}

.container-fluid .demo .phone {
    position: absolute;
    right: 0;
    top: 17px;
    width: 140px;
    font-size: 15px;
    color: #0073ee;
    z-index: 25;
}

.container-fluid .demo .phone img {
    width: 14px;
    height: auto;
    vertical-align: middle;
}

.container-fluid .collapse {
    position: absolute;
    top: 53px;
    left: 0;
    width: 100%;
    height: 0;
    transition: height .5s, opacity 0.5s;
    overflow: hidden;
    background: #fff;
}

.container-fluid .collapse .lineTabs {
    display: none;
}

.container-fluid .collapse .item {
    text-align: center;
    color: #373737;
    font-size: 15px;
    cursor: default;
}

.container-fluid .collapse .item img {
    display: inline-block;
    width: auto;
    height: 40px;
    vertical-align: text-bottom;
}

.container-fluid .collapse .item p {
    display: inline-block;
    height: 40px;
    line-height: 40px;
    vertical-align: text-bottom;
    min-width: 60px;
}

/* 中等屏幕（桌面显示器，大于等于 992px） */
@media (min-width: 1000px) {
    .containBoxIndex .service {
        display: block;
        position: fixed;
        right: 15px;
        top: 40%;
        z-index: 100;
    }

    .service .demo img {
        width: 50px;
        height: auto;
    }

    .container-fluid {
        background: #fff;
        padding-bottom: 3px;
    }

    .container-fluid .demo {
        display: none;
    }

    .container-fluid .collapse {
        position: relative;
        top: 0;
        left: 0;
        display: flex;
        padding: 0 200px;
        box-shadow: 0 0px 3px 1px #e0e0e0;
        height: 64px;
    }

    .container-fluid .collapse .lineTabs {
        position: absolute;
        bottom: 0;
        display: block;
        background: #2D85FD;
        width: 28px;
        height: 4px;
        border-radius: 25px;
        transition:left .5s ease;
        -moz-transition:left .5s ease; /* Firefox 4 */
        -webkit-transition:left .5s ease; /* Safari and Chrome */
        -o-transition:left .5s ease; /* Opera */
    }

    .container-fluid .collapse .item {
        flex: 1;
        text-align: center;
        color: #373737;
        font-size: 15px;
        cursor: default;
    }

    .container-fluid .collapse .item img {
        width: auto;
        height: 35px;
        object-fit: cover;
    }

    .container-fluid .collapse .item p {
        font-size: 14px;
        display: block;
        height: 20px;
        line-height: 20px;
        vertical-align: middle;
    }

    .container-fluid .collapse .active {
        color: #2D85FD;
    }

    .container-fluid .collapse .phone {
        position: absolute;
        right: 0;
        bottom: 0;
        width: 200px;
        height: 64px;
        line-height: 64px;
        font-size: 20px;
        color: #0073ee;
    }

    .container-fluid .collapse .phone img {
        width: 16px;
        height: auto;
        vertical-align: middle;
    }
}

/* 大屏幕（大桌面显示器，大于等于 1200px） */
@media (min-width: 1500px) {
    .container-fluid .collapse {
        height: 79px;
    }

    .container-fluid .collapse .item img {
        width: auto;
        height: 45px;
        object-fit: cover;
    }

    .container-fluid .collapse .item p {
        font-size: 16px;
        display: block;
        height: 20px;
        line-height: 20px;
        vertical-align: middle;
    }

    .container-fluid .collapse .phone {
        position: absolute;
        right: 0;
        bottom: 0;
        width: 200px;
        height: 79px;
        line-height: 79px;
        font-size: 22px;
        color: #0073ee;
    }

    .container-fluid .collapse .phone img {
        width: 18px;
        height: auto;
        vertical-align: middle;
    }
}