.pay-btn {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 16px;
    border-radius: 99px;
    border: none;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}
.pay-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.pay-btn-alipay { background: #1677ff; color: #fff; }
.pay-btn-wechat { background: #07c160; color: #fff; }
.pay-btn-gold { background: linear-gradient(135deg, #ffd700 0%, #ffb800 100%); color: #1a1a2e; }

@media (max-width: 768px) {
    .membership-hero h1 { font-size: 32px !important; }
    .membership-hero { padding: 48px 0 !important; }
    .membership-benefits { grid-template-columns: 1fr !important; }
    .membership-benefits > div { padding: 24px !important; }
    .membership-pricing { grid-template-columns: 1fr !important; }
    .membership-pricing-title { font-size: 24px !important; }
}