*
{
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.top
{
    height: 30vh;
    background-color: #0F172A;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 2.5rem;

    h1
    {
        color: #E2E8F0;
        font-size: 3rem;
        margin: 0;
        letter-spacing: 2px;
    }
}

nav
{
    position: sticky;
    top: 0;           /* 當滾動到距離頂部 0px 時開始黏住 */
    background-color: #020617;
    padding: 15px 0;
    text-align: center;
    z-index: 1000;    /* 確保導覽列不會被下面的內容蓋住 */
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);

    a
    {
        color: white;
        text-decoration: none;
        margin: 0 20px;
        font-size: 1.1rem;
        font-weight: bold;
        transition: color 0.3s;

        &.home
        {
            margin-right: auto; /* 把右邊的所有元素推開！ */
            font-size: 1.5rem;
            font-weight: bold;
            text-decoration: none;
        }
    }

    a:hover
    {
        color: #38BDF8;
    }
}

.content
{
    background: #1E293B;
    color: #CBD5E1;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    min-height: calc( 100vh - 368px);
    font-size: 1.5rem;

    h2
    {
        border-bottom: 2px solid #3498db;
        padding-bottom: 10px;
        display: inline-block;
    }

    p
    {
        color: #CBD5E1;
    };
}