:root {
    --vip-tab-bg: #ffffff;
    --vip-tab-border: #e5e7eb;
    --vip-tab-shadow: 0 14px 32px rgba(14, 165, 233, 0.25);
    --vip-tab-shadow-hover: 0 12px 24px rgba(15, 23, 42, 0.08);
    --vip-tab-accent: #0ea5e9;
    --vip-tab-text: #0f172a;
    --vip-tab-muted: #6b7280;
    --vip-tab-badge-bg: #f0f9ff;
    --vip-tab-badge-border: #bae6fd;
    --vip-tab-badge-text: #0ea5e9;
}

.vip-plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
    margin: 10px 0 14px;
}

.vip-plan,
.vip-card {
    border: 1.5px solid var(--vip-tab-border);
    border-radius: 16px;
    padding: 14px;
    cursor: pointer;
    background: var(--vip-tab-bg);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.vip-plan:hover,
.vip-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--vip-tab-shadow-hover);
}

.vip-plan.is-active {
    border-color: var(--vip-tab-accent);
    box-shadow: var(--vip-tab-shadow);
}

.vip-plan-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.vip-plan-name {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--vip-tab-text);
}

.vip-plan-badge {
    background: var(--vip-tab-badge-bg);
    color: var(--vip-tab-badge-text);
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    border: 1px solid var(--vip-tab-badge-border);
}

.vip-plan-price {
    font-size: 1.45rem;
    font-weight: 800;
    margin: 0 0 4px;
    color: var(--vip-tab-text);
}

.vip-plan-price span {
    font-size: 0.9rem;
    color: #4b5563;
    font-weight: 600;
}

.vip-plan-desc {
    margin: 0;
    color: var(--vip-tab-muted);
    font-size: 0.95rem;
}

.vip-plan-note {
    margin: 6px 0 0;
    color: #9ca3af;
    font-size: 0.9rem;
}

.vip-plan-original {
    margin-top: 6px;
    color: #ef4444;
    font-size: 0.9rem;
}

.vip-plan-original del {
    color: #9ca3af;
    margin-right: 8px;
}

.vip-plan-valid {
    margin-top: 8px;
    color: var(--vip-tab-accent);
    font-weight: 700;
    font-size: 0.95rem;
}

.vip-plan-pay {
    margin-top: 12px;
    width: 100%;
    display: none;
    border: none;
    border-radius: 12px;
    padding: 11px 12px;
    font-size: 1rem;
    font-weight: 700;
    color: #ffffff;
    background: linear-gradient(135deg, #06b6d4, #22c55e);
    box-shadow: 0 12px 26px rgba(6, 182, 212, 0.28);
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.vip-plan-pay:active {
    transform: scale(0.98);
    box-shadow: 0 8px 18px rgba(6, 182, 212, 0.2);
}

.vip-plan.is-active .vip-plan-pay {
    display: block;
}

.vip-btn-primary {
    background: linear-gradient(135deg, #06b6d4, #22c55e);
    color: #ffffff;
    box-shadow: 0 12px 26px rgba(6, 182, 212, 0.28);
    border: none;
}

.vip-btn-primary:active {
    transform: scale(0.98);
    box-shadow: 0 8px 18px rgba(6, 182, 212, 0.2);
}

@media (max-width: 520px) {
    .vip-plan-grid {
        grid-template-columns: 1fr;
    }
}