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

body{
    background:
    linear-gradient(180deg,#0a0a0a,#151515,#0d0d0d);
    color:#fff;
    font-family:Arial, sans-serif;
    padding-bottom:90px;
}

.topbar{
    display:flex;
    align-items:center;
    padding:15px;
    background:rgba(20,20,20,.95);
    backdrop-filter:blur(10px);
    border-bottom:1px solid rgba(255,215,0,.2);
}

.logo{
    width:60px;
    height:60px;
    border-radius:12px;
    box-shadow:0 0 20px rgba(255,215,0,.4);
}

.topbar h1{
    flex:1;
    text-align:center;
    color:#ffd700;
    font-size:26px;
    letter-spacing:3px;
}

.banner{
    padding:15px;
}

.banner img{
    width:100%;
    border-radius:20px;
    box-shadow:0 10px 30px rgba(255,215,0,.25);
}

.notice{
    margin:15px;
    padding:14px;
    border-radius:14px;
    background:rgba(255,215,0,.08);
    border:1px solid rgba(255,215,0,.2);
    color:#ffd700;
}

.site-info{
    margin:15px;
    padding:20px;
    border-radius:20px;
    background:linear-gradient(145deg,#181818,#232323);
    box-shadow:
    inset 0 0 20px rgba(255,215,0,.05),
    0 10px 25px rgba(0,0,0,.5);
}

.site-info h2{
    color:#ffd700;
    font-size:34px;
    margin-bottom:10px;
}

.site-info p{
    color:#ccc;
}

.game-title{
    padding:20px;
}

.game-title h2{
    color:#ffd700;
    font-size:24px;
}

.game-list{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:16px;
    padding:15px;
}

.card{
    position:relative;
    background:linear-gradient(145deg,#181818,#242424);
    border-radius:20px;
    padding:25px 15px;
    text-align:center;
    text-decoration:none;
    overflow:hidden;
    border:1px solid rgba(255,215,0,.1);
    transition:.3s;
}

.card:hover{
    transform:translateY(-8px);
    box-shadow:0 15px 30px rgba(255,215,0,.2);
}

.card::before{
    content:"";
    position:absolute;
    top:-50%;
    left:-50%;
    width:200%;
    height:200%;
    background:linear-gradient(
        45deg,
        transparent,
        rgba(255,215,0,.08),
        transparent
    );
    transform:rotate(25deg);
}

.card h3{
    color:#fff;
    font-size:20px;
    margin-bottom:20px;
    position:relative;
    z-index:2;
}

button{
    border:none;
    padding:12px 24px;
    border-radius:30px;
    background:linear-gradient(90deg,#ffd700,#ffae00);
    color:#111;
    font-weight:bold;
    cursor:pointer;
    position:relative;
    z-index:2;
}

.bottom-nav{
    position:fixed;
    bottom:0;
    width:100%;
    display:flex;
    justify-content:space-around;
    padding:15px 0;
    background:rgba(15,15,15,.95);
    backdrop-filter:blur(12px);
    border-top:1px solid rgba(255,215,0,.15);
}

.bottom-nav a{
    color:#bbb;
    text-decoration:none;
    font-size:16px;
    transition:.3s;
}

.bottom-nav a:hover{
    color:#ffd700;
}
.app-icon{
    width:70px;
    height:70px;
    margin:0 auto 15px;
    border-radius:20px;
    background:linear-gradient(145deg,#ffd700,#ffae00);
    display:flex;
    align-items:center;
    justify-content:center;
    color:#111;
    font-size:24px;
    font-weight:bold;
    box-shadow:0 8px 20px rgba(255,215,0,.25);
}

.tag{
    position:absolute;
    top:12px;
    right:12px;
    padding:6px 12px;
    border-radius:30px;
    font-size:12px;
    font-weight:bold;
    color:white;
}

.hot{
    background:#ff4d4d;
}

.recommend{
    background:#4da6ff;
}

.stable{
    background:#00c853;
}

.vip{
    background:#ffae00;
    color:#111;
}

.popup{
    position:fixed;
    width:100%;
    height:100%;
    background:rgba(0,0,0,.75);
    display:flex;
    align-items:center;
    justify-content:center;
    z-index:999;
}

.popup-box{
    width:85%;
    max-width:400px;
    background:#1a1a1a;
    padding:30px;
    border-radius:20px;
    text-align:center;
    border:1px solid rgba(255,215,0,.2);
    box-shadow:0 15px 40px rgba(0,0,0,.6);
}

.popup-box h2{
    color:#ffd700;
    margin-bottom:15px;
    font-size:24px;
}

.popup-box p{
    margin-bottom:12px;
    color:#ccc;
    line-height:1.6;
}

.popup-box button{
    margin-top:15px;
}