/* OC设定区域 */
/* 未知信息区域优化 */
.unknown-info {
    padding: 150px 0;
    background-color: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.unknown-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 0, 255, 0.1), transparent);
    animation: slideRight 5s ease-in-out infinite;
}

.unknown-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.unknown-content h2 {
    font-size: 60px;
    text-align: center;
    margin-bottom: 80px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-medium));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 3s ease infinite;
    font-weight: 700;
    letter-spacing: -1px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.info-item {
    background-color: var(--bg-card);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 2px solid var(--primary-light);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    transform: translateY(50px);
    opacity: 0;
    animation: slideUp 0.8s ease-out forwards;
    box-shadow: var(--shadow-sm);
}

.info-item:nth-child(1) { animation-delay: 0.2s; }
.info-item:nth-child(2) { animation-delay: 0.4s; }
.info-item:nth-child(3) { animation-delay: 0.6s; }
.info-item:nth-child(4) { animation-delay: 0.8s; }
.info-item:nth-child(5) { animation-delay: 1s; }
.info-item:nth-child(6) { animation-delay: 1.2s; }
.info-item:nth-child(7) { animation-delay: 1.4s; }

.info-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #ff00ff, #00ffff);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.info-item:hover::before {
    transform: scaleX(1);
}

.info-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-dark);
}

.info-item h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: 0;
}

.info-item p {
    font-size: 22px;
    color: var(--primary-dark);
    font-weight: 600;
}

.new-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-medium));
    color: #ffffff;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    animation: badgePulse 2s ease-in-out infinite;
    z-index: 10;
}

@keyframes badgePulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 15px rgba(255, 0, 255, 0.2);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 20px rgba(255, 0, 255, 0.4);
    }
}