dt {
    font-size: 18px;
    font-weight: bold;
    color: blue;
    margin-top: 25px;
}

dd {
    font-size: 16px;
    color: rgb(91, 91, 91);
    margin-left: 0;
    margin-top: 5px;
    line-height: 1.5;
}

#outercontainer {
    display: flex;
    flex-wrap: wrap;
    background-color: rgb(255, 111, 0);
    padding: 20px;
    border-radius: 50px;
}

.imgbox {
    flex: 180px;
    max-width: 220px;
    background-color: rgba(0, 0, 0, 0.9);
    padding: 10px;
    border-radius: 12px;
    text-align: center;
    margin: 10px;
    box-sizing: border-box;
}

.logo {
    width: 100%;
    height: 110px;
    object-fit: contain;
    background-color: white;
}

html, body {
    max-width: 100%;
    overflow-x: hidden;
}

body {
    background-image: url("bg.jpg");
    background-attachment: fixed;
    background-size: cover;
    color: #333;
    margin: 0;
    padding: 0;
    font-family: "ZCOOL QingKe HuangYou", "Orbitron", sans-serif;
}

.container {
    box-sizing: border-box;
    width: auto;
    max-width: min(1500px, calc(100% - 40px));
    margin: 30px auto;
    background-color: rgba(226, 226, 226, 0.35);
    padding: 30px 24px;
    border-radius: 25px;
    overflow-x: auto;
}

h1 {
    text-align: center;
}

h2 {
    font-size: 48px;
    text-align: center;
    background-color: rgb(255, 102, 0);
    padding: 40px 20px;
    margin: 0;
}

@media (max-width: 720px) {
    h2 {
        font-size: 32px;
        padding: 24px 16px;
    }

    #nav {
        gap: 10px 16px;
    }

    #nav a {
        font-size: 18px;
    }
}

#nav {
    background-color: rgb(0, 0, 0);
    padding: 20px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px 40px;
    text-align: center;
}

#nav a {
    color: white;
    text-decoration: none;
    font-size: 22px;
    white-space: nowrap;
}

#nav a.active {
    color: rgb(255, 102, 0);
}

h3 {
    text-align: center;
    color: rgb(255, 255, 255);
}

h4 {
    text-align: center;
    color: rgb(255, 255, 255);
    background-color: rgb(0, 0, 0);
    padding: 40px 20px;
    margin: 0;
}

h5 {
    text-align: center;
}

p {
    font-size: 18px;
    line-height: 1.5;
}

table {
    border-collapse: collapse;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.75);
}

th, td {
    border: 1px solid rgb(105, 105, 105);
    padding: 8px;
    text-align: left;
}

th {
    position: relative;
    background-color: rgb(255, 102, 0);
}

.definition {
    display: none;
    position: absolute;
    left: 0;
    top: 100%;
    z-index: 5;
    background-color: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 10px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: normal;
    margin-top: 5px;
    max-width: 220px;
}

.core-column {
    background-color: rgba(255, 77, 0, 0.46);
    font-weight: bold;
    color: white;
}

tr:hover,
.row-hover {
    background-color: rgba(255, 255, 255, 0.9);
}

tr:hover td.core-column,
.row-hover td.core-column {
    background-color: rgb(255, 102, 0);
}

.row-highlight {
    background-color: rgb(255, 230, 0);
}

.walkthrough-box {
    cursor: pointer;
}

#messagebox {
    width: 80%;
    margin: 30px auto;
    padding: 20px;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    border-radius: 10px;
    min-height: 80px;
}