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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft JhengHei', 'PingFang TC', 'Helvetica Neue', Arial, sans-serif;
    background-color: #1a1a2e;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255, 255, 255, 0.03) 2px, rgba(255, 255, 255, 0.03) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(255, 255, 255, 0.03) 2px, rgba(255, 255, 255, 0.03) 4px);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: #333;
    position: relative;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(220, 38, 38, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(59, 130, 246, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.container {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.1);
    padding: 60px 40px;
    max-width: 600px;
    width: 100%;
    text-align: center;
    animation: fadeIn 0.6s ease-in;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(10px);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

.icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 30px;
    color: #dc2626;
    animation: shake 2s infinite;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon svg {
    width: 100%;
    height: 100%;
}

@keyframes shake {

    0%,
    100% {
        transform: rotate(0deg);
    }

    10%,
    30%,
    50%,
    70%,
    90% {
        transform: rotate(-5deg);
    }

    20%,
    40%,
    60%,
    80% {
        transform: rotate(5deg);
    }
}

h1 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #2c3e50;
    font-weight: 700;
}

.subtitle {
    font-size: 24px;
    color: #7f8c8d;
    margin-bottom: 30px;
    font-weight: 500;
}

.message {
    font-size: 18px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 40px;
}

.details {
    background: #f8f9fa;
    border-left: 4px solid #dc2626;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    text-align: left;
}

.details p {
    margin-bottom: 10px;
    font-size: 16px;
    color: #666;
}

.details p:last-child {
    margin-bottom: 0;
}

.contact-info {
    font-size: 16px;
    color: #7f8c8d;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid #e0e0e0;
}

.contact-info strong {
    color: #2c3e50;
}

@media (max-width: 600px) {
    .container {
        padding: 40px 30px;
    }

    h1 {
        font-size: 28px;
    }

    .subtitle {
        font-size: 20px;
    }

    .message {
        font-size: 16px;
    }

    .icon {
        width: 80px;
        height: 80px;
    }
}