:root {
    --primary-color: #ff4757;
    --accent-color: #eccc68;
    --text-light: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
}

body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background-color: #111;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.background-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('http://p.qpic.cn/ecc_merchant/0/wecooper_0cb4e12f-497d-4eee-a48b-815438684d5e_1773509664693/0');
    background-repeat: no-repeat;
    background-size: cover !important;
    background-position: center center !important;
    z-index: 1;
}

.overlay-mask {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.45);
    z-index: 2;
}

.content-wrapper {
    position: relative;
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 15px;
    box-sizing: border-box;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 28px;
    padding: 50px 30px;
    text-align: center;
    max-width: 420px;
    width: 100%;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    animation: cardFadeIn 0.8s ease-out;
    box-sizing: border-box;
}

.icon-box svg {
    width: 70px;
    height: 70px;
    fill: var(--accent-color);
    margin-bottom: 25px;
    filter: drop-shadow(0 0 10px rgba(236, 172, 104, 0.3));
}

h1 {
    color: var(--text-light);
    font-size: 24px;
    margin: 0 0 15px 0;
    letter-spacing: 1px;
}

p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 35px;
}

.btn-group {
    display: flex;
    gap: 15px;
    justify-content: center;
    width: 100%;
}

.btn {
    flex: 1;
    padding: 13px 20px;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    white-space: nowrap;
}

.btn-home {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
}

.btn-vip {
    background: linear-gradient(135deg, #6c5ce7 0%, #ff7675 100%);
    color: white;
    box-shadow: 0 8px 20px rgba(108, 92, 231, 0.3);
}

.btn:hover {
    transform: translateY(-3px);
    filter: brightness(1.1);
}

@keyframes cardFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 480px) {
    .glass-card {
        padding: 40px 20px;
    }
    .btn-group {
        flex-direction: column;
        gap: 12px;
    }
    .btn {
        width: 100%;
        flex: none;
    }
    h1 { font-size: 21px; }
    p { font-size: 13px; }
}