body {
    background-color: #f4f4f4;
    font-family: Arial, Helvetica, sans-serif;
    margin:0;
    padding:40px 20px;
}

.box {
    max-width:720px;
    background:#ffffff;
    margin:0 auto;
    padding:40px 40px 30px;
    position:relative;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
/* 卡片顶部橙色细条 */
.box::before{
    content:"";
    position:absolute;
    left:0;
    top:0;
    width:100%;
    height:8px;
    background-color:#ff8000;
}

h1 {
    color:#003377;
    text-align:center;
    font-size:42px;
    margin-top:10px;
}

p {
    text-align:center;
    font-size:22px;
    color:#222222;
    line-height:1.6;
}
p strong{
    font-weight:bold;
}

.button-row{
    display:flex;
    gap:20px;
    justify-content:center;
    margin:36px 0;
    flex-wrap:wrap;
}

.btn-blue:link, .btn-blue:visited{
    background-color:#003377;
    color:#ffffff;
    text-decoration:none;
    border:none;
    font-size:20px;
    padding:14px 34px;
    border-radius:4px;
    display:inline-block;
}
.btn-orange:link, .btn-orange:visited{
    background-color:#ff8000;
    color:#ffffff;
    text-decoration:none;
    border:none;
    font-size:20px;
    padding:14px 34px;
    border-radius:4px;
    display:inline-block;
}

.footer-line{
    border-top:1px solid #cccccc;
    margin-top:40px;
    padding-top:30px;
    text-align:center;
    font-size:20px;
    color:#666666;
}