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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    overflow-x: hidden;
}

.maintenance-container {
    width: 100%;
    max-width: 600px;
    padding: 20px;
}

.content {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 60px 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    text-align: center;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.content::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

.icon-container {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 30px;
}

.gear {
    position: absolute;
    width: 60px;
    height: 60px;
    color: #667eea;
    animation: rotate 4s linear infinite;
}

.gear-1 {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.gear-2 {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    animation-direction: reverse;
    animation-duration: 3s;
    width: 80px;
    height: 80px;
    opacity: 0.6;
}

@keyframes rotate {
    0% {
        transform: translateX(-50%) rotate(0deg);
    }
    100% {
        transform: translateX(-50%) rotate(360deg);
    }
}

.title {
    font-size: 36px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 18px;
    color: #718096;
    margin-bottom: 40px;
    font-weight: 400;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: #e2e8f0;
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 40px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    width: 0%;
    animation: progress 3s ease-out forwards;
    border-radius: 3px;
}

@keyframes progress {
    0% {
        width: 0%;
    }
    100% {
        width: 65%;
    }
}

.message {
    margin-bottom: 40px;
}

.message p {
    font-size: 16px;
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 10px;
}

.completion-time {
    color: #667eea;
    font-weight: 600;
}

.features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.feature-item svg {
    width: 40px;
    height: 40px;
    color: #667eea;
    stroke-width: 1.5;
}

.feature-item span {
    font-size: 14px;
    color: #718096;
}

.contact {
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
}

.contact p {
    font-size: 14px;
    color: #718096;
}

.contact-email {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.contact-email:hover {
    color: #764ba2;
    text-decoration: underline;
}

.footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
    text-align: center;
}

.footer p {
    font-size: 12px;
    color: #a0aec0;
    margin-bottom: 8px;
    line-height: 1.5;
}

.footer a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s;
}

.footer a:hover {
    color: #718096;
    text-decoration: underline;
}

@media (max-width: 640px) {
    .content {
        padding: 40px 20px;
    }

    .title {
        font-size: 28px;
    }

    .subtitle {
        font-size: 16px;
    }

    .features {
        gap: 30px;
    }

    .feature-item svg {
        width: 32px;
        height: 32px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .gear,
    .progress-fill,
    .content::before {
        animation: none;
    }

    .progress-fill {
        width: 65%;
    }
}