/* 核心技术页面样式 */

/* 技术总览 */
.tech-overview {
    text-align: center;
}

/* 技术板块 */
.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.tech-grid.reverse {
    direction: rtl;
}

.tech-grid.reverse > * {
    direction: ltr;
}

.tech-number {
    font-size: 60px;
    font-weight: 700;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.3), rgba(0, 153, 255, 0.1));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.tech-content h2 {
    font-size: 32px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 20px;
}

.tech-tags {
    margin-bottom: 20px;
}

.tech-content > p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 30px;
}

.tech-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.tech-feature {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px;
    background: rgba(0, 212, 255, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.feature-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 8px;
    flex-shrink: 0;
}

.feature-icon svg {
    width: 20px;
    height: 20px;
}

.tech-feature h4 {
    font-size: 15px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 5px;
}

.tech-feature p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

/* 技术可视化 */
.tech-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 多模融合图表 */
.tech-diagram {
    position: relative;
    width: 300px;
    height: 300px;
}

.diagram-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #00d4ff, #0099ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    z-index: 2;
}

.diagram-item {
    position: absolute;
    width: 80px;
    height: 80px;
    background: rgba(0, 212, 255, 0.1);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 500;
    color: #00d4ff;
}

.diagram-item::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, rgba(0, 212, 255, 0.5), transparent);
}

/* AI图表 */
.ai-diagram {
    position: relative;
    width: 300px;
    height: 300px;
}

.ai-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #00d4ff, #0099ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    z-index: 2;
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

.ai-orbit {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px dashed rgba(0, 212, 255, 0.2);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.ai-node {
    position: absolute;
    width: 70px;
    height: 30px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: #00d4ff;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(var(--angle)) translateY(-140px) rotate(calc(-1 * var(--angle)));
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* 数字孪生可视化 */
.twin-visual {
    display: flex;
    align-items: center;
    gap: 20px;
}

.twin-layer {
    width: 150px;
    height: 200px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.layer-1 {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 153, 255, 0.1));
    border: 2px solid rgba(0, 212, 255, 0.3);
}

.layer-2 {
    background: linear-gradient(135deg, rgba(0, 153, 255, 0.2), rgba(0, 212, 255, 0.1));
    border: 2px solid rgba(0, 153, 255, 0.3);
}

.twin-arrow {
    font-size: 30px;
    color: #00d4ff;
}

/* 平台可视化 */
.platform-visual {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 250px;
}

.platform-layer {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
}

.platform-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #00d4ff, #0099ff);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 12px;
}

.platform-layer span {
    font-size: 16px;
    font-weight: 500;
    color: #ffffff;
}

/* 响应式 */
@media (max-width: 992px) {
    .tech-grid,
    .tech-grid.reverse {
        grid-template-columns: 1fr;
        gap: 40px;
        direction: ltr;
    }
    
    .tech-features {
        grid-template-columns: 1fr;
    }
    
    .tech-visual {
        order: -1;
    }
}

@media (max-width: 768px) {
    .tech-content h2 {
        font-size: 24px;
    }
    
    .tech-number {
        font-size: 40px;
    }
    
    .tech-diagram,
    .ai-diagram {
        width: 250px;
        height: 250px;
    }
    
    .twin-visual {
        flex-direction: column;
    }
    
    .twin-arrow {
        transform: rotate(90deg);
    }
}