.tip-container {
        min-height: 70vh;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding-top: 5vh;
        padding-bottom: 5vh;
    }

    .tip-card {
        padding: 3rem 2rem;
        text-align: center;
        max-width: 500px;
        width: 100%;
        position: relative;
    }

    .tip-icon {
        font-size: 5rem;
        margin-bottom: 1.5rem;
        border-radius: 2rem;
        width: 6.5rem;
        height: 6.5rem;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 1.5rem;
        position: relative;
    }

    .tip-icon.success {
        color: #10b981;
        background: #d1fae5;
        box-shadow: 0 8px 32px rgba(16, 185, 129, 0.08);
    }

    .tip-icon.error {
        color: #ef4444;
        background: #fee2e2;
        box-shadow: 0 8px 32px rgba(239, 68, 68, 0.08);
    }

    .tip-icon.warning {
        color: #f59e0b;
        background: #fef3c7;
        box-shadow: 0 8px 32px rgba(245, 158, 11, 0.08);
    }

    .tip-icon.info {
        color: #3b82f6;
        background: #eef2ff;
        box-shadow: 0 8px 32px rgba(59, 130, 246, 0.08);
    }

    .tip-title {
        font-size: 2.2rem;
        font-weight: bold;
        color: #22223b;
        margin-bottom: 1rem;
        letter-spacing: 1px;
    }

    .tip-message {
        color: #6b7280;
        font-size: 1.1rem;
        margin-bottom: 2rem;
        text-align: center;
        line-height: 1.6;
        word-break: break-word;
    }

    .tip-actions {
        display: flex;
        gap: 1rem;
        justify-content: center;
        flex-wrap: wrap;
    }

    .tip-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0.75rem 2.5rem;
        border-radius: 999px;
        font-size: 1.1rem;
        font-weight: 500;
        text-decoration: none;
        transition: all 0.2s ease;
        border: none;
        cursor: pointer;
        min-width: 120px;
        text-align: center;
    }

    .tip-btn.primary {
        background: #3b82f6;
        color: white;
        box-shadow: 0 4px 16px rgba(59, 130, 246, 0.08);
    }

    .tip-btn.primary:hover {
        background: #2563eb;
        transform: translateY(-1px);
        box-shadow: 0 8px 24px rgba(59, 130, 246, 0.15);
    }

    .tip-btn.secondary {
        background: #f3f4f6;
        color: #6b7280;
        border: 1px solid #e5e7eb;
    }

    .tip-btn.secondary:hover {
        background: #e5e7eb;
        color: #374151;
        transform: translateY(-1px);
    }

    .countdown {
        margin-top: 1rem;
        font-size: 0.9rem;
        color: #9ca3af;
    }

    .countdown-number {
        color: #3b82f6;
        font-weight: 600;
    }

    @media (max-width: 640px) {
        .tip-container {
            padding: 1rem;
        }

        .tip-card {
            padding: 2rem 1.5rem;
        }

        .tip-icon {
            font-size: 3rem;
            width: 4rem;
            height: 4rem;
        }

        .tip-title {
            font-size: 1.2rem;
        }

        .tip-actions {
            flex-direction: column;
            align-items: center;
        }

        .tip-btn {
            width: 100%;
            max-width: 200px;
        }
    }

    /* 动画效果 */
    .tip-card {
        animation: slideInUp 0.6s ease-out;
    }

    .tip-icon {
        animation: bounceIn 0.8s ease-out 0.2s both;
    }

    @keyframes slideInUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    @keyframes bounceIn {
        0% {
            opacity: 0;
            transform: scale(0.3);
        }

        50% {
            opacity: 1;
            transform: scale(1.05);
        }

        70% {
            transform: scale(0.9);
        }

        100% {
            opacity: 1;
            transform: scale(1);
        }
    }