@charset "utf-8";
.main2 {
    margin-top: 5px;
    background: none;
}

.c-b-left {
    width: 690px;
}

.course-list dl {
    padding-bottom: 10px;
}

.course-wrapper {
    background: none;
    padding: 0;
    width: 990px;
}

.course-list dd {
    position: relative;
    width: 530px;
}

.course-list .down {
    background: #ff5252;
    padding: 5px 10px;
    color: #fff;
    position: absolute;
    top: -15px;
    right: -20px;
    width: 100px;
    text-align: center;
}

    .course-list .down:hover {
        background: #ff8080;
    }

    .course-list .down.unlock {
        top: 65px;
    }
.xianshua_down2{
    background: #59c1f7;
    padding: 0px 10px;
    color: #fff;
    position: absolute;
    top: 25px;
    right: -20px;
    width: 120px;
    text-align: center;
    font-size: 12px;
    height: 30px;
    line-height: 30px;
    box-sizing: border-box;
}
.phone-info {
    border: 1px solid #e2e2e2;
    background: #fff;
}

    .phone-info .icon {
        float: left;
        width: 120px;
        border-right: 1px solid #e2e2e2;
    }

        .phone-info .icon img {
            width: 100px;
            max-height: 100%;
            margin: 10px;
        }

    .phone-info .info {
        float: right;
        width: 530px;
        padding: 10px;
        padding-left: 0;
    }

        .phone-info .info h2 {
            font-size: 22px;
        }

        .phone-info .info span {
            font-size: 14px;
            color: #666;
            margin-top: 10px;
            display: block;
        }

.course-list {
    margin-top: 0;
    width: auto;
    border-top: none;
    background: #fff;
}

.phone_nav {
    margin-top: 20px;
    border: 1px solid #d8d8d8;
    border-bottom: 2px solid #d8d8d8;
    background: #f5f5f5;
}

    .phone_nav li:not(.clear) {
        float: left;
        border-right: 1px solid #d8d8d8;
        margin-bottom: -2px;
    }

    .phone_nav li.last {
        border-right: none;
    }

    .phone_nav li.current {
        border-bottom: 2px solid #F78625;
        background: #fff;
    }

    .phone_nav li:hover {
        background: #fff;
    }

    .phone_nav li a {
        display: block;
        padding: 10px 20px;
        width: 96px;
        text-align: center;
    }

.list_is_null {
    line-height: 200px;
    text-align: center;
    font-size: 28px;
    color: red;
}

.c-normal-box {
    background: #fff;
}

.phone-info .phone_buttons {
    margin-top: 10px;
}

    .phone-info .phone_buttons a {
        display: block;
        font-size: 16px;
        color: #fff;
        background: #59c1f7;
        margin-right: 10px;
        height: 35px;
        transition: background 0.3s ease 0s;
        line-height: 35px;
        width: 120px;
        float: left;
        text-align: center;
        padding: 0 0px;
    }

        .phone-info .phone_buttons a:hover {
            background: #2c9ad3;
        }

.phone_tool_gg {
    width: 100%;
}

    .phone_tool_gg img {
        width: 100%;
        height: auto;
    }

@media screen and (min-width: 1520px) {
    .course-wrapper {
        width: 1494px;
    }

    .c-b-left {
        width: 1180px;
    }

    .course-list dd {
        width: 1010px;
    }

    .phone-info .info {
        width: 1030px;
    }

    .phone_nav li.last {
        border-right: 1px solid #d8d8d8;
    }
}