/* 科学成像系列页面专属样式 - 优化版 */

/* 系列介绍区域 */
.scientific-overview {
    position: relative;
    overflow: hidden;
}

.scientific-overview::before {
    content: "";
    position: absolute;
    top: 0;
    right: -10%;
    width: 30%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-alpha-10) 0%, var(--primary-alpha-20) 100%);
    transform: skewX(-15deg);
    z-index: -1;
}

/* 介绍内容样式 */
.intro-title {
    font-weight: 700;
    line-height: 1.3;
}

.intro-desc {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    text-align: justify;
}

.intro-desc strong {
    color: var(--primary-color);
    font-weight: 600;
}

.intro-desc em {
    color: var(--accent-color);
    font-style: normal;
    font-weight: 500;
    background: linear-gradient(120deg, var(--accent-color), var(--warning-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 标题高亮样式 */
.title-highlight {
    position: relative;
    display: inline-block;
}

.title-highlight::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
}

/* 特点卡片样式 */
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 2rem;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.feature-icon i {
    font-size: 24px;
    color: var(--text-white);
}

.feature-title {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 1rem;
    text-align: center;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 0.8rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.feature-list li::before {
    content: "▪";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.feature-list strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* 技术优势卡片 */
.tech-card {
    background: linear-gradient(135deg, var(--bg-section) 0%, var(--bg-white) 100%);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition-normal);
    height: 100%;
}

.tech-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.tech-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.tech-icon i {
    font-size: 20px;
    color: var(--text-white);
}

.tech-title {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

.tech-desc {
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
    font-size: 0.95rem;
}

/* 应用标签样式 */
.application-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 2rem;
}

.app-tag {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-normal);
    text-decoration: none;
    border: 2px solid transparent;
}

.app-tag:hover {
    background: linear-gradient(135deg, var(--bg-white), var(--bg-section));
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 总结文本样式 */
.summary-text {
    background: linear-gradient(135deg, var(--bg-section) 0%, var(--border-light) 100%);
    border-radius: var(--radius-md);
    padding: 2rem;
    border-left: 4px solid var(--primary-color);
}

.summary-text .lead {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.2rem;
    line-height: 1.7;
}

.summary-text strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* 响应式设计 */
@media (max-width: 991.98px) {
    .intro-content {
        text-align: center;
        margin-bottom: 2rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .tech-card {
        padding: 1.2rem;
        margin-bottom: 1rem;
    }

    .application-tags {
        gap: 0.6rem;
    }

    .app-tag {
        font-size: 0.85rem;
        padding: 0.5rem 1rem;
    }

    .summary-text {
        padding: 1.5rem;
    }

    .summary-text .lead {
        font-size: 1.1rem;
    }
}

@media (max-width: 767.98px) {
    .scientific-overview {
        padding: 3rem 0;
    }

    .intro-desc {
        font-size: 1rem;
    }

    .feature-card {
        padding: 1.2rem;
        text-align: center;
    }

    .feature-icon {
        width: 50px;
        height: 50px;
    }

    .feature-icon i {
        font-size: 20px;
    }

    .application-tags {
        flex-direction: column;
        align-items: center;
    }

    .app-tag {
        display: block;
        text-align: center;
        width: fit-content;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card {
    animation: fadeInUp 0.6s ease forwards;
}

.feature-card:nth-child(even) {
    animation-delay: 0.1s;
}

.tech-card {
    animation: fadeInUp 0.8s ease forwards;
}

.app-tag {
    animation: fadeInUp 0.4s ease forwards;
}

.app-tag:nth-child(n) {
    animation-delay: calc(0.1s * var(--i, 0));
}

/* 为应用标签添加动画延迟变量 */
.app-tag:nth-child(1) {
    --i: 1;
}

.app-tag:nth-child(2) {
    --i: 2;
}

.app-tag:nth-child(3) {
    --i: 3;
}

.app-tag:nth-child(4) {
    --i: 4;
}

.app-tag:nth-child(5) {
    --i: 5;
}

.app-tag:nth-child(6) {
    --i: 6;
}

.app-tag:nth-child(7) {
    --i: 7;
}

/* 灵活的图片展示系统 */
.intro-images {
    margin-top: 2rem;
}

.image-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    height: 200px;
    transition: var(--transition-normal);
}

.image-wrapper:hover {
    transform: translateY(-5px);
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

.image-wrapper:hover img {
    transform: scale(1.05);
}

.image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, var(--primary-alpha-90));
    color: var(--text-white);
    padding: 0.8rem;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    transform: translateY(100%);
    transition: var(--transition-normal);
}

.image-wrapper:hover .image-caption {
    transform: translateY(0);
}

/* 控制显示图片数量的类 */

/* 显示1张图片 */
.images-1 .image-item {
    flex: 0 0 auto;
    width: 50%;
    max-width: 400px;
}

/* 显示2张图片 */
.images-2 .image-item {
    flex: 0 0 auto;
    width: calc(50% - 0.75rem);
    max-width: 350px;
}

/* 显示3张图片 */
.images-3 .image-item {
    flex: 0 0 auto;
    width: calc(33.333% - 1rem);
    max-width: 300px;
}

/* 显示4张图片 */
.images-4 .image-item {
    flex: 0 0 auto;
    width: calc(25% - 0.75rem);
    max-width: 250px;
}

/* 响应式调整 */
@media (max-width: 1199.98px) {
    .images-4 .image-item {
        width: calc(50% - 0.75rem);
    }
}

@media (max-width: 991.98px) {
    .image-wrapper {
        height: 180px;
    }

    .images-3 .image-item,
    .images-4 .image-item {
        width: calc(50% - 0.75rem);
    }
}

@media (max-width: 767.98px) {
    .intro-images {
        margin-top: 1.5rem;
    }

    .image-wrapper {
        height: 150px;
        margin-bottom: 0.5rem;
    }

    .image-caption {
        font-size: 0.8rem;
        padding: 0.5rem;
    }

    /* 在小屏幕上都显示为单列 */
    .images-1 .image-item,
    .images-2 .image-item,
    .images-3 .image-item,
    .images-4 .image-item {
        width: 100%;
        max-width: none;
    }
}

@media (max-width: 575.98px) {
    .image-wrapper {
        height: 120px;
    }
}