/* 机载产品页面样式 */

/* Hero区域 */
.airborne-hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 70px;
    padding: 150px 0 80px;
}

.airborne-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.airborne-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 1;
}

.airborne-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 31, 58, 0.65);/*  加深遮罩，提高文字可读性 */
    z-index: 1;
}

.airborne-hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: #ffffff !important; /* 纯白色 - 强制优先级 */
    font-weight: 700;
    position: relative;
    display: inline-block;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.9), 
                 0 2px 10px rgba(0, 0, 0, 0.8),
                 0 0 40px rgba(255, 255, 255, 0.4); /* 增强阴影，提高可读性 */
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 2.5rem;
    color: #ffffff !important; /* 纯白色 - 强制优先级 */
    text-shadow: 0 3px 15px rgba(0, 0, 0, 0.9),
                 0 2px 8px rgba(0, 0, 0, 0.7),
                 0 0 30px rgba(255, 255, 255, 0.3); /* 增强阴影，提高可读性 */
}

.hero-decoration {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-top: 2rem;
}

.decoration-line {
    width: 60px;
    height: 2px;
    background: rgba(255, 255, 255, 0.6);
    box-shadow: 0 0 10px rgba(0, 168, 255, 0.5);
}

.decoration-star {
    font-size: 1.8rem;
    color: #00d4ff;
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.8);
}

/* 内容区域通用样式 */
.airborne-section {
    padding: 100px 0;
    background: #ffffff;
}

.section-title {
    font-size: 2.5rem;
    color: #333333;
    margin-bottom: 1rem;
    font-weight: 600;
    position: relative;
    display: inline-block;
    text-align: center;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: #1a4d4d;
}

/* 机载产品介绍 */
.airborne-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
    margin-top: 50px;
}

.airborne-text {
    flex: 1;
    min-width: 300px;
}

.airborne-text p {
    font-size: 1.1rem;
    color: #666666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.airborne-image {
    flex: 1;
    min-width: 300px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.airborne-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

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

/* 特性网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e9ecef;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #1a4d4d;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: #333;
    font-size: 1.5rem;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
    flex-grow: 1;
}

/* 应用场景样式 */
.applications-section {
    background: #f8f9fa;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.application-card {
    background: #ffffff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e9ecef;
}

.application-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.application-image {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
}

.application-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.application-card:hover .application-image img {
    transform: scale(1.1);
}

.application-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(10, 31, 58, 0.3) 0%, rgba(10, 31, 58, 0.7) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.application-card:hover .application-overlay {
    opacity: 1;
}

.application-icon {
    font-size: 4rem;
    color: #ffffff;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.8);
    animation: iconFloat 2s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.application-content {
    padding: 30px;
}

.application-content h3 {
    font-size: 1.6rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.application-content > p {
    font-size: 1.05rem;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

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

.application-features li {
    font-size: 0.95rem;
    color: #555;
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
    line-height: 1.6;
}

.application-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #1a4d4d;
    font-weight: bold;
    font-size: 1.1rem;
}

/* 图片放大功能 */
.zoomable-image {
    position: relative;
    cursor: pointer;
}

.image-zoom-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.zoomable-image:hover .image-zoom-overlay {
    opacity: 1;
}

.zoom-icon {
    font-size: 3rem;
    color: #ffffff;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
}

/* 图片放大模态框 */
.image-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.95);
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.image-modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 80vh;
    object-fit: contain;
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.image-modal-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: #ffffff;
    font-size: 50px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.image-modal-close:hover,
.image-modal-close:focus {
    color: #00d4ff;
}

.image-modal-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #ffffff;
    padding: 20px 0;
    font-size: 1.2rem;
}

/* 了解更多按钮 */
.learn-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 25px;
    margin-top: 20px;
    background: transparent;
    color: #333333;
    text-decoration: none;
    border: 2px solid #333333;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.learn-more-btn:hover {
    background: #333333;
    color: #ffffff;
    transform: translateX(5px);
}

.learn-more-btn svg {
    transition: transform 0.3s ease;
}

.learn-more-btn:hover svg {
    transform: translateX(3px);
}

/* 技术规格 */
.tech-specs {
    background: #f1f8f8;
    padding: 80px 0;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 30px;
    background: #ffffff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.specs-table th,
.specs-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #dee2e6;
}

.specs-table th {
    background: #1a4d4d;
    color: white;
    font-weight: 600;
}

.specs-table tr:last-child td {
    border-bottom: none;
}

/* 新增的机载SAR技术详解样式 */
.tech-video {
    background: #f8f9fa;
}

.system-composition {
    background: #ffffff;
}

.video-container {
    margin-top: 50px;
    text-align: center;
}

.video-container video {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    background: #000;
}

.video-container video:focus {
    outline: 2px solid #1a4d4d;
    outline-offset: 2px;
}

.video-placeholder {
    background: #e9ecef;
    border-radius: 10px;
    padding: 60px 20px;
    border: 2px dashed #adb5bd;
}

.video-placeholder-text {
    font-size: 1.5rem;
    color: #495057;
    margin-bottom: 15px;
    font-weight: 600;
}

.video-placeholder p {
    color: #6c757d;
    font-size: 1.1rem;
}

.airborne-text h3 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 20px;
    font-weight: 600;
}

/* 系统组成 */
.system-composition {
    background: #ffffff;
}

.system-components {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 改为两列布局 */
    gap: 40px;
    margin-top: 50px;
}

.component-item {
    background: #f8f9fa;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e9ecef;
}

.component-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.component-image {
    width: 100%;
    height: 250px; /* 增加图片高度 */
    overflow: hidden;
}

.component-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.component-content {
    padding: 25px;
}

.component-content h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.component-description {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 20px;
    font-weight: 500;
}

.component-details p {
    font-size: 1rem;
    color: #555;
    margin-bottom: 12px;
    line-height: 1.6;
    position: relative;
    padding-left: 20px;
}

.component-details p:before {
    content: "●";
    color: #1a4d4d;
    font-size: 1.2rem;
    position: absolute;
    left: 0;
    top: -2px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .airborne-section {
        padding: 80px 0;
    }
    
    .system-components {
        grid-template-columns: repeat(2, 1fr); /* 在中等屏幕上仍保持两列 */
        gap: 30px;
    }
    
    .component-image {
        height: 220px; /* 中等屏幕上的图片高度 */
    }
}

@media (max-width: 768px) {
    .airborne-hero {
        padding: 120px 0 60px;
        min-height: 50vh;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .airborne-content {
        flex-direction: column;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .airborne-section {
        padding: 60px 0;
    }
    
    .tech-specs {
        padding: 60px 0;
    }
    
    .specs-table {
        font-size: 0.9rem;
    }
    
    .specs-table th,
    .specs-table td {
        padding: 12px 10px;
    }
    
    .video-placeholder {
        padding: 40px 15px;
    }
    
    .video-placeholder-text {
        font-size: 1.3rem;
    }
    
    .system-components {
        grid-template-columns: 1fr; /* 在小屏幕上改为单列 */
        gap: 30px;
    }
    
    .component-image {
        height: 200px; /* 小屏幕上的图片高度 */
    }
    
    .component-content {
        padding: 20px;
    }
    
    .component-content h3 {
        font-size: 1.3rem;
    }
    
    .component-description {
        font-size: 1rem;
    }
    
    .component-details p {
        font-size: 0.9rem;
    }
    
    /* 应用场景响应式 */
    .applications-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .application-image {
        height: 220px;
    }
    
    .application-content {
        padding: 25px;
    }
    
    .application-content h3 {
        font-size: 1.4rem;
    }
    
    .application-features li {
        font-size: 0.9rem;
    }
    
    .learn-more-btn {
        padding: 8px 20px;
        font-size: 0.9rem;
    }
    
    .zoom-icon {
        font-size: 2.5rem;
    }
    
    .image-modal-close {
        top: 10px;
        right: 20px;
        font-size: 40px;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .decoration-line {
        width: 30px;
    }
    
    .airborne-text h3 {
        font-size: 1.5rem;
    }
    
    .video-placeholder-text {
        font-size: 1.2rem;
    }
    
    .video-placeholder p {
        font-size: 1rem;
    }
}