* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

a {
    text-decoration: none;
}

a:hover {
    background-color: gold;
}

.main,
.footer {
    /* background-color: yellowgreen; */
    margin: 20px auto;
    width: 600px;
}

.panel {
    padding: 10px;
    /* border: 1px solid #cbc7c7; */
    background-color: #eeebeb;
    border-radius: 16px;
}

.panel-title {
    text-align: center;
    margin-bottom: 10px;
}

.select-input-row {
    display: flex;
    gap: 5px;
    padding: 0px 10px;
    margin-bottom: 10px;
}

.result-input-row {
    display: flex;
    gap: 10px;
    padding: 0px 10px;
    margin-bottom: 10px;
}

.select-input {
   flex: 1;
   min-width: 0;
}

.result-input {
    flex: 1;
}

.beian {
    text-align: center;
}