@charset "utf-8";

/* CSS Document 

.card { padding: clamp(0.5rem, 3%, 2rem); }
.hero-image { height: clamp(200px, 50vh, 500px); }‌‌
font-size: clamp(16px, 4vw, 20px);
.sidebar { width: clamp(250px, 30%, 400px); }
 font-size: clamp(1.5rem, 4vw + 1rem, 3rem);
‌数值范围别设太大‌：最小值和最大值差距过大会导致效果不自然。  推荐：clamp(1rem, 2.5vw, 2rem)

width: calc(100% - 80px);

 width: clamp(200px, 50%, 1000px);
 width: max(200px, min(50%, 1000px)); 两值取最小 或两值 取最大
 font-size: clamp(16px, 5vw, 50px);
*/
* {
    font-family: "Segoe UI", "Roboto", "PingFang SC", "Microsoft YaHei", sans-serif;
}

html {
    margin: 0;
    padding: 0;
    width: 100vw;
    height: 100vh;
}

body {
    margin: 0;
    padding: 0;
    width: 100vw;
    height: 100vh;
    background-color: #F3F3F3;
}


/* 页头*/
header {
    margin: 0;
    padding: 0;
    width: 100%;
    background-color: #FF5722;
    position: fixed;
    top: 0px;
    z-index: 9999;
}

    header ul {
        list-style-type: none;
        padding: 1vh 1vw;
        margin: 0 2vw 0vw 2vw;
        display: flex;
        flex-direction: row;
        flex-wrap: nowrap;
        /* nowrap | wrap | wrap-reverse; nowrap(默认)不换行、wrap换行（第一行在上方）和wrap-reverse*/
        justify-content: space-between;
    }

        header ul li {
            display: inline;
            color: #fff !important;
        }

        header ul i {
            /*font-size: max(8vw,32px) !important;*/
            font-size: clamp(32px, 4vh, 64px) !important;
        }

        header ul li a {
            color: #fff !important;
            /*  padding: 14px 20px;*/
            text-decoration: none;
            /*font-size:max(4vw,32px);*/
            font-size: clamp(24px, 3vh, 48px) !important;
            line-height: clamp(12px, 8vw, 48px);
            vertical-align: middle;
            white-space: nowrap;
        }

/*页头*/

/*页脚*/
nav {
    position: fixed;
    padding: 1vh 0vw 1vh 0vw;
    bottom: 0vw;
    width: 100%;
    background-color: #FF5722;
    border-top: 1px solid #eeeeee;
    text-align: center;
    line-height: 1;
}

    nav ul {
        list-style-type: none;
        margin: 0vw;
        padding-left: 0;
        padding-top: 0;
        display: flex;
        flex-direction: row;
        flex-wrap: nowrap;
        /* nowrap | wrap | wrap-reverse; nowrap(默认)不换行、wrap换行（第一行在上方）和wrap-reverse*/
        justify-content: space-around;
    }

        nav ul li {
            display: inline;
            color: #fff !important;
            cursor: pointer;
        }

        nav ul i {
            /* font-size:0.25rem;*/
            /*font-size: max(8vw,32px) !important;*/
            font-size: clamp(24px, 3vh, 48px) !important;
        }

        nav ul li a {
            color: #fff !important;
            /*  padding: 14px 20px;*/
            text-decoration: none;
            /*font-size:max(4vw,32px);*/
            font-size: clamp(16px, 2vh, 24px) !important;
        }

/* 页脚 */

.course_content {
    border: #CCC solid 0px;
    padding: 1vh 1vw;
    padding-bottom: 20vh;
    margin-top: max(50px,7vh);
}

    .course_content .item {
        border: #CCC solid 0px;
        display: flex;
        border-radius: 5px;
        flex-direction: row;
        background-color: #fff;
    }

    .course_content .item_image {
        width: clamp(150px, 30%, 300px);
        height: clamp(200px, 40%, 400px);
        /*width: 40vw;
		height: 40vw;*/
        margin: 0.3vw;
        border: #F3F3F3 solid 1px;
        display: flex;
        flex-direction: row;
    }

        .course_content .item_image img {
            width: 100%;
            height: 100%;
        }

    .course_content .item_title {
        margin: 0vh 1vw;
        border: #CCC solid 0px;
        width: 100%;
    }

        .course_content .item_title .title1 {
            font-size: clamp(20px, 3vw, 32px) !important;
            margin: 0vh 0;
        }

        .course_content .item_title .title2 {
            font-size: clamp(12px, 1.5vw, 24px) !important;
            color: #483e3e;
            margin: 3px 0;
        }

        .course_content .item_title .title3 {
            font-size: clamp(12px, 1.2vw, 24px) !important;
            color: #483e3e;
            margin: 1vh 0;
        }

            .course_content .item_title .title3 i {
                font-size: clamp(12px, 2vw, 24px) !important;
                color: #483e3e;
                margin: 1vh 0;
            }

/*练习*/
.practice {
    padding: 1vw;
    padding-bottom: 2vh;
    margin-top: max(50px,7vh);
}

    .practice .title {
        position: relative;
        padding: 1vh 1vw;
        /*font-size: 4vw !important;*/
        font-size: clamp(24px, 4vw, 32px) !important;
    }

    .practice .sub_title {
        padding: 1vh 1vw;
       /* font-size: 2vw !important;*/
        color: #999;
        font-size: clamp(12px, 4vw, 16px) !important;
    }

.testing_exams {
    border: #F09 solid 0px;
    display: flex;
    flex-direction: row;
    font-size: clamp(24px, 4vw, 48px) !important;
    color: #2f363c;
    padding-bottom: 2vh;
    /*background-color:#fff;*/
}

    .testing_exams .testing {
        padding: 0.5vw;
        border: #000 solid 0px;
        /*width:50%;*/
        flex: 1;
    }

    .testing_exams .exams {
        padding: 0.5vw;
        border: #000 solid 0px;
        /*	width:50%;*/
        flex: 1;
    }

    .testing_exams .testing div {
        border-radius: 1vw;
        background-color: #16baaa;
        height: clamp(120px, 20vw, 240px) !important;
        line-height: clamp(120px, 20vw, 240px) !important;
        vertical-align: middle;
    }

        .testing_exams .testing div i {
            margin-left: 2vw;
            font-size: clamp(60px, 10vw, 120px) !important;
            color: #ffb800;
            background-color: #FFF;
            border-radius: 2vw;
        }

    .testing_exams .exams div {
        border-radius: 1vw;
        background-color: #ff5722;
        height: clamp(120px, 20vw, 240px) !important;
        line-height: clamp(120px, 20vw, 240px) !important;
        vertical-align: middle;
        margin-left: 2vw;
    }

        .testing_exams .exams div i {
            margin-left: 2vw;
            font-size: clamp(50px, 10vw, 120px) !important;
            color: #ffb800;
            background-color: #FFF;
            border-radius: 2vw;
        }

.chapter_exercises {
    background-color: #FFF;
    border: #F09 solid 0px;
    margin-top: 2vh;
    padding: max(10px, min(50%, 20px));
    border-radius: 2vw;
    display: flex;
    flex-direction: row;
    font-size: clamp(12px, 4vw, 48px) !important;
    color: #2f363c;
    /* padding-bottom: 20vh;*/
}

    .chapter_exercises div {
        text-align: center;
        flex: 1;
    }

        .chapter_exercises div i {
            font-size: clamp(30px, 5vw, 60px) !important;
            color: #ffb800;
            background-color: #FFF;
            border-radius: 2vw;
        }


.course_index_content {
    margin-top: 10vh;
}

    .course_index_content .player {
        width: 100%;
    }

        .course_index_content .player video {
            width: 100%;
            max-height: 500px;
        }

.coure_list {
    background-color: #FFF;
    padding-bottom: 20vh;
}

    .coure_list ul {
        list-style: none;
        padding: 0;
    }

        .coure_list ul li {
            margin: 0.5vh;
        }

            .coure_list ul li .title {
                font-size: clamp(16px, 4vw, 24px) !important;
                padding: 3px;
                border: #F7F7F7 solid 1px;
                background-color: #F6F6F6;
                border-radius: 1vw;
                cursor: pointer;
                color: #999;
            }

                .coure_list ul li .title a {
                    /* font-size: clamp(24px, 1.5vw, 48px) !important;*/
                    /* padding: 1vh;*/
                    border: #CCC solid 0px;
                    cursor: pointer;
                    color: #333;
                }

                    .coure_list ul li .title a i {
                        color: #F00;
                    }

    .coure_list .title i {
        font-size: clamp(24px, 1.5vw, 48px) !important;
    }

.myIndex {
}

    .myIndex .head {
        width: 90%;
        margin: 5vw;
        border-radius: 1vw;
        display: flex;
        flex-direction: row;
        background-color: #FFF;
    }

        .myIndex .head div {
            width: clamp(100px, 20%, 200px);
        }

            .myIndex .head div img {
                width: 100%;
                height: 100%;
                border-radius: 50%;
                border: #F4F4F4 solid 1px;
            }

            .myIndex .head div:nth-of-type(2) {
                padding: 3vw;
                width: 100%;
            }

                .myIndex .head div:nth-of-type(2) .title {
                    font-size: clamp(24px, 4vw, 48px) !important;
                    font-weight: bold;
                    width: 100%;
                }

                .myIndex .head div:nth-of-type(2) .sub_title {
                    width: 100%;
                    padding: 0;
                    margin-top: 1vh;
                    font-size: clamp(12px, 2vw, 24px) !important;
                    color: #575757;
                }

    .myIndex .myIndex_content {
        width: 100%;
        padding: 2vh 0vw;
        border-radius: 1vw;
        background-color: #FFF;
    }

        .myIndex .myIndex_content .item {
            position: relative;
            background-color: #F5F5F5;
            border-radius: 1vw;
            margin: 1vh 0vw;
            padding: 2vh 2vw;
            display: block;
            cursor: pointer;
        }

            .myIndex .myIndex_content .item a {
                text-decoration: none;
                color: #333;
            }

            .myIndex .myIndex_content .item i {
                position: absolute;
                right: 2vw;
                font-size: clamp(24px, 4vw,32px) !important;
            }



.question_index {
    padding: 1vh 2vw;
    font-size: clamp(14px, 5vw, 20px) !important;
    color: #d84e17;
}

    .question_index span {
        padding: 0vh 2vw;
        color: #d84e17;
    }

    .question_index .right {
        padding: 0vh 2vw;
        color: #d84e17;
        float: right;
    }

.question_title {
    font-size: clamp(16px, 5vw, 24px) !important;
    line-height: clamp(24px, 6vh, 32px) !important;
    vertical-align: middle;
    padding: 1vh min(10px,max(20px,2vw));
    display: inline-block;
    margin-top: max(50px,7vh);
}

    .question_title * {
        display: inline;
        margin: 0px;
        padding: 0px;
    }


.question_type {
    color: #d84e17;
}

.question_item {
}

    .question_item ul {
        list-style: none;
        padding-left: min(10px,max(20px,2vw));
    }

        .question_item ul li {
            word-wrap: normal;
            font-size: clamp(16px, 5vw, 24px) !important;
            line-height: clamp(24px, 6vh, 32px) !important;
            vertical-align: middle;
            display: block;
            cursor: pointer;
            margin: min(10px,max(20px,2vh));
        }

            .question_item ul li * {
                display: inline;
                margin: 0px;
                padding: 0px;
            }

            .question_item ul li i {
                font-size: clamp(16px, 5vw, 24px) !important;
            }






.exam_options {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding-bottom: 20vh;
    height: min(40vh,120px);
    background-color: #FFFAFA;
    cursor: pointer;
    overflow-y: scroll;
}

    .exam_options ul {
        list-style: none;
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        /* justify-content:space-around; */
    }

        .exam_options ul li {
            width: clamp(40px, 10vw, 60px) !important;
            height: clamp(40px, 10vw, 60px) !important;
            line-height: clamp(40px, 10vw, 60px) !important;
            vertical-align: middle;
            display: inline-block;
            text-align: center;
            padding: 1vw;
        }

            .exam_options ul li span {
                width: 100%;
                height: 100%;
                border: #999 solid 1px;
                display: block;
                font-size: clamp(18px, 6vw, 24px) !important;
            }


    .exam_options .curr {
        background-color: #ebb5a4;
        border: #ebb5a4 solid 1px;
    }

    .exam_options .error { /*错误*/
        background-color: #ff5722;
        border: #FF5722 solid 1px;
        color: white;
    }

    .exam_options .correct { /* 正确 */
        background-color: #16b777;
        border: #16b777 solid 1px;
        color: white;
    }

    .exam_options .done { /* 正确 */
        background-color: #16b777;
        border: #16b777 solid 1px;
        color: white;
    }


.exam_save {
    text-align: center;
}

.question_answer {
    font-size: clamp(18px, 6vw, 24px) !important;
    padding-left: min(20px,2vw);
    margin: 1vh 0;
}

.question_analysis {
    font-size: clamp(18px, 6vw, 24px) !important;
    padding: min(20px, 2vw);
}

.exam_save input {
    background-color: #FF5722;
    width: min(200px,80%);
    margin: 1vh;
    padding: min(1vh,10px);
    font-size: larger;
    border-radius: 3px;
    cursor: pointer;
    border: 0px;
    color: aliceblue;
}

.myIndex {
    font-size: clamp(18px, 6vw, 24px) !important;
    margin-bottom: max(100px,20vh);
    padding-bottom: max(20vh,100px);
    margin-top: max(60px,10vh);
}

    .myIndex .item {
        padding: 1vh 2vw;
        color: #333;
    }

    .myIndex .loginout {
        width: 80%;
        text-align: center;
        background-color: #FF5722;
        margin: 20px auto;
        color: white;
        border-radius: 5px;
        padding: 10px;
    }

    .myIndex .item span {
        color: #000;
        float: right;
    }

.dis_hidn {
    display: none;
}

.dis_display {
    display: block;
}

.ExamRecord {
    margin-bottom: max( 2vh,100px);
    padding-bottom: max(20vh,100px);
    margin-top: max(50px,7vh); 
}

    .ExamRecord .item {
        margin: min(10px,2vh) 0;
        background-color: white;
        padding-top: min(10px,2vh);
        padding-bottom: min(10px,2vh);
    }

        .ExamRecord .item .warning {
            color: #16b777;
        }

        .ExamRecord .item h3 {
            margin-top: 1vh;
            margin-bottom: 1vh;
            margin-left: min(10px,3vw);
        }

        .ExamRecord .item .sub_title {
            margin-top: 1vh;
            margin-bottom: 1vh;
            margin-left: min(10px,3vw);
            color: #7b7b7b;
        }

    .ExamRecord .error {
        border: 0px;
        padding: 2px 10px;
        border-radius: 3px;
        background-color: #FF5722;
        color: wheat;
        margin-left: 10px;
    }

    .ExamRecord .pages {
        display: block;
        margin: 3vh auto;
        text-align: center;
    }

        .ExamRecord .pages div {
            background-color: #FF5722;
            padding: 1vh 3vw;
            display: inline;
            border-radius: 3px;
            margin: 3px 5px;
            cursor: pointer;
        }

            .ExamRecord .pages div a {
                color: white;
            }

.ShowPaper {
    padding: 1vw;
    padding-bottom: 2vh;
    margin-top: max(50px,7vh);
}

    .ShowPaper .question_title {
        font-size: clamp(16px, 5vw, 24px) !important;
        line-height: clamp(24px, 6vh, 32px) !important;
        vertical-align: middle;
        padding: 1vh 2vw;
        display: inline-block;
        margin-top: 2vh;
    }