/* 关于我们页面样式 */

/* 页面标题区域 */
.about-page .page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.about-page .page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></svg>');
    background-size: 50px 50px;
    opacity: 0.3;
}

.about-page .page-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.about-page .page-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 1;
}

/* 公司简介区域 */
.company-intro {
    padding: 80px 0;
    background: var(--bg-color);
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.intro-text .section-heading {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.intro-text .section-heading i {
    color: var(--primary-color);
    font-size: 2rem;
}

.intro-description p {
    font-size: 1.05rem;
    line-height: 1.9;
    color: #555;
    margin-bottom: 20px;
    text-align: justify;
}

.intro-description p:last-child {
    margin-bottom: 0;
}

/* 公司展示图片 */
.company-showcase {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

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

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

.showcase-main:hover img {
    transform: scale(1.05);
}

.showcase-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 15px 20px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    font-size: 0.95rem;
}

.showcase-thumbnails {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 15px;
}

.thumbnail {
    position: relative;
    height: 100px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
}

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

.thumbnail:hover img {
    transform: scale(1.1);
}

.thumbnail span {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 8px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    font-size: 0.8rem;
    text-align: center;
}

/* 企业文化区域 */
.company-culture {
    padding: 80px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.culture-card {
    background: white;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.culture-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.culture-card:hover::before {
    transform: scaleX(1);
}

.culture-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.culture-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.culture-icon i {
    font-size: 2rem;
    color: white;
}

.culture-card h3 {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 15px;
}

.culture-card p {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
}

/* 企业资质区域 */
.company-qualifications {
    padding: 80px 0;
    background: var(--bg-color);
}

.qualifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.qualification-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.qualification-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.qualification-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #f0f4f8 0%, #e8ecf0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-bottom: 1px solid #eee;
    cursor: pointer;
    position: relative;
}

.qualification-image::after {
    content: '\f00e';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.qualification-card:hover .qualification-image::after {
    opacity: 1;
}

.qualification-image img {
    max-width: 90%;
    max-height: 180px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

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

.qualification-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    color: #999;
}

.qualification-placeholder i {
    font-size: 3rem;
    color: var(--primary-color);
}

.qualification-placeholder span {
    font-size: 0.9rem;
}

.qualification-info {
    padding: 25px;
}

.qualification-info h3 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 10px;
}

.qualification-info p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 技术实力区域 */
.tech-strength {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.tech-strength .section-title,
.tech-strength .section-subtitle {
    color: white;
}

.strength-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.strength-item {
    text-align: center;
}

.strength-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 15px;
}

.strength-number .counter {
    display: inline-block;
}

.strength-label {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* 合作伙伴区域 */
.partners-section {
    padding: 80px 0;
    background: var(--bg-color);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.partner-item {
    background: white;
    padding: 40px 25px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.partner-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.partner-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: block;
}

.partner-item span {
    font-size: 1rem;
    color: var(--text-color);
    font-weight: 500;
}

/* 响应式适配 */
@media (max-width: 992px) {
    .intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .company-showcase {
        max-width: 500px;
        margin: 0 auto;
    }

    .about-page .page-title {
        font-size: 2.5rem;
    }

    .strength-number {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .about-page .page-header {
        padding: 60px 0 50px;
    }

    .about-page .page-title {
        font-size: 2rem;
    }

    .about-page .page-subtitle {
        font-size: 1rem;
    }

    .company-intro,
    .company-culture,
    .company-qualifications,
    .tech-strength,
    .partners-section {
        padding: 50px 0;
    }

    .intro-text .section-heading {
        font-size: 1.6rem;
    }

    .intro-description p {
        font-size: 1rem;
        text-align: left;
    }

    .qualifications-grid {
        grid-template-columns: 1fr;
    }

    .strength-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .strength-number {
        font-size: 2.2rem;
    }

    .culture-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    .strength-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .strength-number {
        font-size: 1.8rem;
    }

    .strength-label {
        font-size: 0.9rem;
    }

    .partners-grid {
        grid-template-columns: 1fr 1fr;
    }

    .partner-item {
        padding: 30px 15px;
    }

    .partner-item i {
        font-size: 2rem;
    }
}

/* 图片预览模态框 */
.image-preview-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.image-preview-modal.active {
    visibility: visible;
    opacity: 1;
}

.preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.preview-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 90%;
    max-height: 90%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.preview-content img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: zoomIn 0.3s ease;
}

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

.preview-caption {
    margin-top: 20px;
    color: white;
    font-size: 1.1rem;
    text-align: center;
}

.preview-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: background 0.3s ease;
    z-index: 10;
}

.preview-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.preview-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background 0.3s ease;
    z-index: 10;
}

.preview-nav:hover {
    background: rgba(255, 255, 255, 0.2);
}

.preview-nav.prev {
    left: -80px;
}

.preview-nav.next {
    right: -80px;
}

@media (max-width: 992px) {
    .preview-nav.prev {
        left: 10px;
    }
    
    .preview-nav.next {
        right: 10px;
    }
}

@media (max-width: 768px) {
    .preview-close {
        top: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
    }
    
    .preview-nav {
        width: 40px;
        height: 40px;
    }
    
    .preview-caption {
        font-size: 0.95rem;
        padding: 0 20px;
    }
}