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

html,body{
    width:100%;
    min-height:100%;
}

body{
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    background:#0b0d12;
    color:#fff;
    overflow-x:hidden;
    position:relative;
}

.page-bg{
    position:fixed;
    inset:0;
    background:
        radial-gradient(circle at 20% 20%, rgba(255,76,76,.18), transparent 28%),
        radial-gradient(circle at 80% 30%, rgba(255,0,102,.12), transparent 30%),
        radial-gradient(circle at 50% 80%, rgba(255,120,0,.10), transparent 32%),
        linear-gradient(180deg,#0b0d12 0%,#11151d 100%);
    z-index:0;
}

.wrap{
    position:relative;
    z-index:1;
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:20px;
}

.card{
    width:100%;
    max-width:560px;
    background:rgba(18,22,31,.88);
    border:1px solid rgba(255,255,255,.08);
    border-radius:22px;
    padding:26px 22px;
    box-shadow:0 20px 60px rgba(0,0,0,.35);
    backdrop-filter:blur(10px);
}

.brand{
    display:flex;
    align-items:center;
    gap:16px;
    margin-bottom:22px;
}

.brand-logo{
    width:56px;
    height:56px;
    border-radius:16px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:28px;
    font-weight:700;
    color:#fff;
    background:linear-gradient(135deg,#ff375f,#ff7a00);
    box-shadow:0 10px 30px rgba(255,80,80,.22);
    flex-shrink:0;
}

.brand-text h1{
    font-size:24px;
    line-height:1.3;
    font-weight:700;
    margin-bottom:6px;
}

.brand-text p{
    font-size:14px;
    color:rgba(255,255,255,.72);
    line-height:1.6;
}

.notice-box{
    background:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.06);
    border-radius:16px;
    padding:16px;
    margin-bottom:18px;
}

.notice-title{
    font-size:15px;
    font-weight:700;
    color:#ffb3c1;
    margin-bottom:8px;
}

.notice-desc{
    font-size:14px;
    color:rgba(255,255,255,.78);
    line-height:1.75;
}

.countdown-box{
    display:flex;
    align-items:baseline;
    justify-content:center;
    gap:8px;
    margin:20px 0 22px;
    padding:16px;
    border-radius:18px;
    background:linear-gradient(135deg,rgba(255,55,95,.10),rgba(255,122,0,.08));
    border:1px solid rgba(255,120,120,.16);
}

.countdown-label{
    font-size:14px;
    color:rgba(255,255,255,.72);
}

.countdown-num{
    min-width:24px;
    text-align:center;
    font-size:36px;
    line-height:1;
    font-weight:800;
    color:#ff6b81;
}

.countdown-unit{
    font-size:14px;
    color:rgba(255,255,255,.72);
}

.action-group{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:12px;
}

.btn{
    height:46px;
    border:none;
    border-radius:14px;
    font-size:15px;
    font-weight:700;
    cursor:pointer;
    transition:all .2s ease;
}

.btn:active{
    transform:scale(.98);
}

.btn.primary{
    background:linear-gradient(135deg,#ff375f,#ff7a00);
    color:#fff;
    box-shadow:0 10px 25px rgba(255,87,87,.22);
}

.btn.ghost{
    background:rgba(255,255,255,.05);
    color:#fff;
    border:1px solid rgba(255,255,255,.08);
}

.tips{
    margin-top:18px;
    text-align:center;
}

.tips p{
    font-size:13px;
    color:rgba(255,255,255,.5);
    line-height:1.7;
}

@media (max-width:640px){
    .card{
        padding:20px 16px;
        border-radius:18px;
    }

    .brand{
        gap:12px;
        margin-bottom:18px;
    }

    .brand-logo{
        width:48px;
        height:48px;
        font-size:24px;
        border-radius:14px;
    }

    .brand-text h1{
        font-size:20px;
    }

    .brand-text p{
        font-size:13px;
    }

    .countdown-num{
        font-size:32px;
    }

    .action-group{
        grid-template-columns:1fr;
    }

    .btn{
        height:44px;
        font-size:14px;
    }
}