@charset "utf-8";
/* CSS Document */

li a,
.dropbtn {
    display: inline-block;

    padding: 0px;
    font-size: 18px;
    text-decoration: none;

    color:rgb(80, 80, 80);
    background-color: rgb(240, 240, 240);
}

li.dropdown{
    text-align: left;
    margin: 0px 10px 10px 0px;
}

li.dropdown a{
    color: #167487;
}

li.dropdown a:hover{
    color: #CD5269;
    background-color: rgb(240, 240, 240);
}

li a:hover,
.dropdown:hover,
.dropbtn:hover {
    background-color: rgb(240, 240, 240);
}

.dropdown_content {
    display: none;
    position: absolute;
    left: -20px;

    border-style: solid;
    border-width: 1.5px;
    border-color: rgb(80, 80, 80);

    margin: -40px 82px;
    min-width: 202px;
    text-align: center;

    background-color: rgb(230, 230, 230);

    outline: solid 1px rgb(80, 80, 80);
    z-index: 1;
}

.dropdown_content > a {
    width: 100px;
    font-size: 14px;
    margin: auto;
    padding: 0;

    border-style: solid;
    border-width: 0px 1px 1px 0px;

    border-color: rgb(80, 80, 80);

    float: left;
    display: inline-table;
    text-align: center;
}

.dropdown:hover .dropdown_content {
    display: block;
}

div.tbox_group {
    position: relative;
    display: block;
}

.substep1 {
    font-size: 18px;
    font-weight: 500;
    margin: 25px 0px 10px;
}

.substep2 {
    font-size: 16px;
    margin: 20px 0px 10px;
}

.tbox_a2 {
    font-size: 16px;
    margin: 10px 20px 0px;
}

/*tbox_b tbox_c同级，用于选项分组*/
.tbox_b {
    display:inline-block;
}

/*专用于图片*/
.tbox_c {
   display:inline-block;
   border: solid 1px rgba(80, 80, 80, 0.6);
}

.tnrm_b1 {
    margin: 0px 15px;
    font-size: 15px;
    padding-left: 30px;
}

.box_group {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 886px;
}

.box_a {
    position: relative;
    font-size: 16px;
    margin: 30px 0px;
    border: 1px solid rgb(150, 150, 150);
}

.box_b {
    display: inline-block;
    position: absolute;
    margin-left: 25px;
    top: 50%;
    transform: translate(-50%, -50%);
    font-size: 25px;
    color: rgb(80, 80, 80);
}

.box_c {
    display: inline-block;
    margin: 5px 8px 5px 50px;
    border-radius: 8px;
}

.box1_2 {
    display: inline-block;
    font-size: 16px;
}

.command {
    position: relative;
    display: inline-block;
    white-space: nowrap;
    border: none;
    border: solid 1px;
    left: 5px;
}

.command_overlay {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;

    background: rgba(0, 0, 0, 0.6);

    font-family: "宋体";
    display: flex;

    flex-direction: column;
    align-items: center;
    justify-content: center;     /*居中排列*/
    transition: opacity 0.25s;   /*设置透明过渡变换*/
    opacity: 0;
}

.command_overlay:hover {
    opacity: 0.5;
}

.command_description {
    margin: 0;
    position: absolute;
    text-align: center;
    color: aliceblue;
}