/* ========== 技术详情页样式 ========== */

.tech-items-container {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    margin: 4rem 0;
}

.tech-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 2rem;
    background-color: var(--bg-secondary);
    border-radius: 24px;
    transition: all var(--transition-duration) var(--transition-timing);
    border: 1px solid transparent;
}

.tech-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

/* 交错显示：偶数项反转 */
.tech-item:nth-child(even) {
    direction: rtl;
}

.tech-item:nth-child(even)>* {
    direction: ltr;
}

.tech-item-image {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    position: relative;
}

.tech-item-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
}

.comparison-wrapper {
    display: flex;
    width: 100%;
    gap: 1rem;
    align-items: flex-start;
}

.comparison-item {
    position: relative;
    flex: 1;
    overflow: hidden;
    border-radius: 12px;
}

.comparison-item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
}

.comparison-label {
    position: absolute;
    bottom: 12px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    color: white;
    padding: 4px 12px;
    font-size: 0.85rem;
    border-radius: 20px;
    z-index: 2;
    pointer-events: none;
}

.comparison-item.before .comparison-label {
    left: 12px;
}

.comparison-item.after .comparison-label {
    right: 12px;
}

.tech-item-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    position: relative;
    display: inline-block;
}

.tech-item-text h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 4px;
    background-color: var(--accent-color);
    border-radius: 2px;
}

.tech-item:nth-child(even) .tech-item-text h3::after {
    left: auto;
    right: 0;
}

.tech-item-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* 技术体系部分 */
.technology-system {
    margin: 4rem 0;
    padding: 3rem;
    background: linear-gradient(to right, var(--bg-secondary), var(--bg-primary));
    border-radius: 20px;
    border-left: 6px solid var(--accent-color);
}

.technology-system h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.technology-system p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 900px;
}

/* 技术优势部分 */
.advantages-section {
    margin: 6rem 0;
    text-align: center;
}

.advantages-section h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.advantage-card {
    padding: 2.5rem 2rem;
    background-color: var(--bg-secondary);
    border-radius: 20px;
    transition: all var(--transition-duration) var(--transition-timing);
    text-align: center;
}

.advantage-card:hover {
    background-color: var(--accent-color);
    transform: translateY(-10px);
}

.advantage-card:hover h4,
.advantage-card:hover p,
.advantage-card:hover .advantage-icon {
    color: white;
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
    color: var(--accent-color);
    transition: color var(--transition-duration);
}

.advantage-card h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.advantage-card p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .tech-item {
        grid-template-columns: 1fr;
        gap: 2rem;
        direction: ltr !important;
    }

    .tech-item:nth-child(even)>* {
        direction: ltr;
    }

    .tech-item-text h3::after {
        right: auto !important;
        left: 0 !important;
    }
}

@media (max-width: 768px) {
    .tech-item-text h3 {
        font-size: 1.5rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }
}