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

body {
    background:#000 url("../images/home_bg.jpg") no-repeat center top;
    background-size: cover;
    background-attachment: fixed;
    min-height: 100vh;
    font-family: "Microsoft Yahei",SimHei,sans-serif;
    display:flex;
    justify-content:center;
    align-items:flex-end;
    padding-bottom:180px;
}

.container{
    width:100%;
    max-width:1120px;
    padding:0 16px;
}

/* 外层主面板 暗金半透明 */
.main-panel{
    background:rgba(30,20,12,0.70);
    border:2px solid #916a38;
    border-radius:6px;
    padding:30px 34px;
    box-shadow:0 0 32px rgba(0,0,0,0.75);
}

.notice-box{
    background:rgba(255,255,255,0.88);
    border:1px solid #b48850;
    padding:24px 28px;
    margin-bottom:30px;
}

.notice-title{
    text-align:center;
    font-size:22px;
    font-weight:bold;
    color:#1a1a1a;
    margin-bottom:14px;
}

.notice-text p{
    font-size:16px;
    line-height:1.85;
    color:#111;
    text-align:left;
}

.btn-wrap{
    display:flex;
    justify-content:center;
    gap:32px;
    flex-wrap:wrap;
}

.btn{
    display:inline-block;
    text-decoration:none;
    font-size:21px;
    font-weight:bold;
    padding:16px 52px;
    min-width:235px;
    border-radius:5px;
    border:2px solid #000000;
    transition:0.25s ease;
    color:#ffddaa;
}

.btn-download{
    background:linear-gradient(#782b22,#421713);
    box-shadow:0 0 12px rgba(255,60,30,0.5);
}
.btn-download:hover{
    background:linear-gradient(#923428,#541e18);
    box-shadow:0 0 18px rgba(255,70,40,0.7);
}

.btn-qq{
    background:linear-gradient(#664724,#3d2c17);
    box-shadow:0 0 10px rgba(210,135,50,0.45);
}
.btn-qq:hover{
    background:linear-gradient(#7e582d,#4f391e);
    box-shadow:0 0 16px rgba(225,148,62,0.65);
}