@charset "UTF-8";

html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
    background-color:#fff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Segoe UI", "Helvetica Neue", "PingFang SC", "San Francisco", "Microsoft YaHei", 微软雅黑, sans-serif;
    background: #fff;
    font-size: 16px;
}

a {
    text-decoration: none;
    color: #333;
}

h1,
h2, p {
    margin: 0;
    padding: 0;
}

ul, ol, li {
    list-style: none;
    list-style-type: none;
    list-style: none;
    margin: 0;
    padding: 0;
}

img, input, select {
    border: 0 none;
    outline-style: none;
    padding: 0;
    margin: 0;
    vertical-align: middle;
    max-width: 100%;
}

.box-gray {
/*    background-color: #f0f0f0;*/
background-color:#fff;
}
/* nav */
#nav::before {
    content: '';
    width: 100%;
    height: 60px;
    position: absolute;
    top: 0;
    left: 0;
    /* background: #279AFE; */
    background-color: #f0f0f0;
}

#nav {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 5px 0;
    height: 50px;
}

#logo {
    float: left;
}


    #logo a {
        position: relative;
        font-size: 25px;
        font-weight: bold;
    }


    #logo span::after {
        position: absolute;
        bottom: -10px;
        right: 0;
        content: "COMPUTER EXAM NETWORK";
        font-weight: normal;
        font-size: 10px;
    }

    #logo img {
        height: 50px;
        margin-right: 10px;
    }

    #logo label {
        z-index: 3;
        color: black;
    }

.option {
    float: right;
    line-height: 50px;
}

    .option a {
        position: relative;
        font-size: 14px;
    }

/* end nav */

/* .nav */
.nav {
    width: 100%;
    position: relative;
    z-index: 1;
    height: auto;
    background: #279AFE;
    overflow: hidden;
}

    .nav .menu {
        position: absolute;
        z-index: 999;
        left: 0;
        top: 0;
        width: 100%;
        height: 0;
    }

        .nav .menu .menu_info {
            width: 1200px;
            margin: 0 auto;
        }

            .nav .menu .menu_info .menu_childs {
                height: 385px;
                float: left;
                color: #fff;
                width: 280px;
                box-sizing: border-box;
                background: rgba(0,0,0,0.4);
                position: relative;
            }

                .nav .menu .menu_info .menu_childs .clearfix {
                    padding: 14px 16px
                }

                    .nav .menu .menu_info .menu_childs .clearfix:hover {
                        background: #fff;
                        color: #40BDEF
                    }

                        .nav .menu .menu_info .menu_childs .clearfix:hover dt {
                            font-weight: bolder
                        }

                            .nav .menu .menu_info .menu_childs .clearfix:hover dt p {
                                font-weight: normal
                            }

                        .nav .menu .menu_info .menu_childs .clearfix:hover .list {
                            display: block
                        }

                    .nav .menu .menu_info .menu_childs .clearfix dt {
                        cursor: pointer;
                        font-size: 16px;
                        font-weight: bolder;
                    }

                        .nav .menu .menu_info .menu_childs .clearfix dt i {
                            opacity: 0.7;
                            float: right;
                            vertical-align: middle;
                            width: 8px;
                            height: 12px;
                            margin-left: 15px;
                            background: url(../images/ico/more.png) no-repeat
                        }

                        .nav .menu .menu_info .menu_childs .clearfix dt p {
                            color: #525f66;
                            margin-top: 6px;
                            overflow: hidden;
                            height: 20px;
                            width: 100%;
                            text-overflow: ellipsis;
                            white-space: nowrap
                        }

                            .nav .menu .menu_info .menu_childs .clearfix dt p span, .nav .menu .menu_info .menu_childs .clearfix dt p a {
                                color: #bbb;
                                margin-right: 6px;
                                font-size: 14px;
                                font-weight: normal;
                            }

                    .nav .menu .menu_info .menu_childs .clearfix .list {
                        display: none;
                        z-index: 999;
                        position: absolute;
                        width: 920px;
                        color: #525f66;
                        font-size: 13px;
                        padding: 30px;
                        box-sizing: border-box;
                        border-top: 1px solid #f0f0f0;
                        border-bottom: 1px solid #f0f0f0;
                        left: 100%;
                        min-height: 450px;
                        height: auto;
                        top: 0;
                        padding: 20px;
                        background: #fff url(../images/menu-bg.png) no-repeat right bottom;
                    }

                        .nav .menu .menu_info .menu_childs .clearfix .list .item {
                            display: flex;
                            margin-bottom: 15px
                        }

                            .nav .menu .menu_info .menu_childs .clearfix .list .item h1 {
                                width: 25%;
                                text-align: right;
                                font-size: 14px;
                                padding-right: 20px;
                                box-sizing: border-box
                            }

                            .nav .menu .menu_info .menu_childs .clearfix .list .item ul {
                                width: 75%
                            }

                                .nav .menu .menu_info .menu_childs .clearfix .list .item ul li {
                                    float: left;
                                    margin-right: 0;
                                    position: relative;
                                    margin-bottom: 10px;
                                    width: 33%;
                                    white-space: nowrap;
                                    overflow: hidden;
                                    text-overflow: ellipsis;
                                    text-align: left
                                }

                                    .nav .menu .menu_info .menu_childs .clearfix .list .item ul li a:hover {
                                        color: #40BDEF
                                    }

    .nav .adv {
        text-align: center;
        width: 100%;
    }
/* end .nav */

/* 热门资讯 */
.recommend {
    width: 1200px;
    margin: 0 auto;
    margin-top: 15px;
    display: flex;
}

    .recommend .title {
        display: flex;
        justify-content: space-between;
        margin-bottom: 15px;
    }

        .recommend .title strong {
            position: relative;
            font-size: 18px;
            padding-left: 15px;
            font-weight: bolder;
        }

            .recommend .title strong::before {
                position: absolute;
                content: '';
                width: 4px;
                height: 20px;
                left: 0;
                top: 50%;
                transform: translateY(-50%);
                border-top: 0;
                margin: auto;
                background: #40BDEF;
            }

        .recommend .title .hot {
            text-align: right;
        }

            .recommend .title .hot a span {
                font-weight: bolder;
            }

    .recommend .hot {
        flex: 3;
    }

        .recommend .hot .lib {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
        }

            .recommend .hot .lib .item {
                width: 100%;
                border-top: solid 1px #e5e5e5;
            }

                .recommend .hot .lib .item ul li::before {
                    position: absolute;
                    content: "";
                    width: 6px;
                    height: 6px;
                    background-color: #40BDEF;
                    top: 50%;
                    transform: translateY(-50%);
                    border-radius: 50%;
                }

                .recommend .hot .lib .item ul li {
                    margin: 15px 0;
                    position: relative;
                    vertical-align: middle;
                }

                    .recommend .hot .lib .item ul li a {
                        margin-left: 15px;
                        display: inline-block;
                        width: calc(100% - 15px);
                    }

                        .recommend .hot .lib .item ul li a span {
                            border: 1px solid #40BDEF;
                            padding: 0px 10px;
                            color: #40BDEF;
                            float: right;
                            border-radius: 5px;
                            box-sizing: border-box;
                            font-size: 12px;
                        }

                    .recommend .hot .lib .item ul li:first-child a, .recommend .hot .lib .item ul li:first-child a span {
                        color: rgb(250, 0, 0) !important;
                        font-weight: 1000 !important;
                    }

                        .recommend .hot .lib .item ul li:first-child a span {
                            border: 2px solid rgb(250, 0, 0);
                        }

                    .recommend .hot .lib .item ul li:nth-child(2) a, .recommend .hot .lib .item ul li:nth-child(2) a span {
                        color: rgb(253, 83, 55) !important;
                        font-weight: 700 !important;
                    }

                        .recommend .hot .lib .item ul li:nth-child(2) a span {
                            border: 1.5px solid rgb(253, 83, 55);
                        }

    .recommend .today-info {
        width: 300px;
        margin-left: 30px;
    }

        .recommend .today-info .info {
            overflow: hidden;
        }

            .recommend .today-info .info .content {
                overflow: hidden;
                height: 177px;
                width: 100%;
                margin-bottom: 10px;
                box-sizing: border-box;
                background-color: #a8dff5;
                position: relative;
                z-index: 222;
            }

                .recommend .today-info .info .content > img {
                    position: absolute;
                    top: 50%;
                    left: 50%;
                    width: 260px;
                    transform: translateX(-50%) translateY(-50%);
                    opacity: 0.2;
                }

                .recommend .today-info .info .content .text {
                    position: absolute;
                    top: 50%;
                    left: 50%;
                    width: 260px;
                    transform: translateX(-50%) translateY(-50%);
                }

                    .recommend .today-info .info .content .text .person {
                        margin-top: 6px;
                        margin-bottom: 15px;
                        position: relative;
                    }

                        .recommend .today-info .info .content .text .person label {
                            height: 20px;
                            font-size: 12px;
                            font-weight: normal;
                            background-color: #2590d7;
                            color: white;
                            padding: 2px 10px;
                            border-radius: 10px;
                            border-bottom-right-radius: 0;
                        }

                        .recommend .today-info .info .content .text .person h1 {
                            font-size: 50px;
                            text-align: center;
                            margin: -6px 0;
                        }

                    .recommend .today-info .info .content .text p:last-child {
                        font-size: 16px;
                        font-weight: bold;
                    }

/* 热门试卷 */
.paper {
    position: relative;
    width: 1200px;
    margin: 0 auto;
    height: auto;
    box-sizing: border-box;
}

    .paper .title {
        border-bottom: solid 1px #fff;
        padding: 10px 0;
    }

        .paper .title strong {
            position: relative;
            font-size: 18px;
            padding-left: 15px;
            font-weight: bolder;
        }

            .paper .title strong::before {
                position: absolute;
                content: '';
                width: 4px;
                height: 20px;
                left: 0;
                top: 50%;
                transform: translateY(-50%);
                border-top: 0;
                margin: auto;
                background: #40BDEF;
            }

        .paper .title a {
            float: right;
        }

    .paper .list {
        box-sizing: border-box;
        border-top: 1px solid #e5e5e5;
        overflow: hidden;
    }

        .paper .list ul {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
        }

            .paper .list ul li {
                width: 45%;
                margin: 15px 0;
                position: relative;
                vertical-align: middle;
            }

                .paper .list ul li::before {
                    position: absolute;
                    content: "";
                    width: 6px;
                    height: 6px;
                    background-color: #40BDEF;
                    top: 50%;
                    transform: translateY(-50%);
                }

                .paper .list ul li a {
                    margin-left: 15px;
                    display: inline-block;
                    width: calc(100% - 15px);
                }

                    .paper .list ul li a span {
                        border: 1px solid #40BDEF;
                        padding: 0px 10px;
                        color: #40BDEF;
                        float: right;
                        border-radius: 5px;
                        box-sizing: border-box;
                        font-size: 12px;
                    }
/* end 热门试卷 */

/* 资料下载 */
.down {
    width: 1200px;
    margin: 0 auto;
    margin-top: 15px;
    display: flex;
}

    .down .title {
        display: flex;
        justify-content: space-between;
        margin-bottom: 15px;
    }

        .down .title strong {
            position: relative;
            font-size: 18px;
            padding-left: 15px;
            font-weight: bolder;
        }

            .down .title strong::before {
                position: absolute;
                content: '';
                width: 4px;
                height: 20px;
                left: 0;
                top: 50%;
                transform: translateY(-50%);
                border-top: 0;
                margin: auto;
                background: #40BDEF;
            }

        .down .title .hot {
            text-align: right;
        }

            .down .title .hot a span {
                font-weight: bolder;
            }

    .down .hot {
        flex: 3;
    }

        .down .hot .lib {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
        }

            .down .hot .lib .item {
                width: 100%;
                border-top: solid 1px #e5e5e5;
            }

                .down .hot .lib .item ul li {
                    margin: 15px 0;
                    position: relative;
                    vertical-align: middle;
                }

                    .down .hot .lib .item ul li a {
                        margin-left: 15px;
                        display: inline-block;
                        width: calc(100% - 15px);
                    }

                        .down .hot .lib .item ul li a span {
                            border: 1px solid #40BDEF;
                            padding: 0px 10px;
                            color: #40BDEF;
                            float: right;
                            border-radius: 5px;
                            box-sizing: border-box;
                            font-size: 12px;
                        }

    .down .today-info {
        width: 300px;
        margin-right: 30px;
    }

        .down .today-info .info {
            overflow: hidden;
        }

            .down .today-info .info .content {
                overflow: hidden;
                height: 80px;
                width: 100%;
                margin-bottom: 10px;
                box-sizing: border-box;
                background-color: #a8dff5;
                position: relative;
                z-index: 222;
                border-radius: 5px;
            }

                .down .today-info .info .content img {
                    position: absolute;
                    top: 50%;
                    left: 50%;
                    width: 260px;
                    transform: translateX(-50%) translateY(-50%);
                    opacity: 0.2;
                }

                .down .today-info .info .content .text {
                    position: absolute;
                    top: 50%;
                    left: 50%;
                    width: 260px;
                    transform: translateX(-50%) translateY(-50%);
                }

                    .down .today-info .info .content .text .person {
                        margin-top: 6px;
                        margin-bottom: 15px;
                        position: relative;
                    }

                        .down .today-info .info .content .text .person h1 {
                            font-size: 36px;
                            text-align: center;
                            margin: -6px 0;
                            color: #5e5e5e;
                        }

    .down .lib .item li::before {
        position: absolute;
        content: "";
        width: 0 !important;
        height: 0;
        background-color: #fff !important;
        top: 50%;
        transform: translateY(-50%);
        border-left: 3px solid transparent; /* 左边框透明 */
        border-right: 3px solid transparent; /* 右边框透明 */
        border-top: 6px solid #40BDEF; /* 底部边框为三角形底部 */
    }
/* end 资料下载 */

/* footer */
.footer_bottom {
    text-align: center;
    padding: 10px 0;
    border-top: 1px solid #42484d;
    font-size: 14px;
    color: #999999;
    background-color: #363c41;
}

    .footer_bottom p {
        line-height: 50px;
        margin: 0 auto;
        display: inline-block;
        vertical-align: middle;
    }

        .footer_bottom p a {
            color: #999 !important;
        }

/* end footer */