/* ==========================================
   关于我们页面现代化样式
   ========================================== */

.about-us-page {
    background: #f8f9fa;
}

/* 面包屑导航 */
.breadcrumb-wrapper {
    background: white;
    padding: 20px 0;
    border-bottom: 1px solid #e5e5e5;
    margin-bottom: 0;
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 14px;
}

.breadcrumb-item {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

.breadcrumb-item:hover {
    color: #3a8fc7;
}

.breadcrumb-separator {
    color: #ddd;
}

.breadcrumb-current {
    color: #1a1a1a;
    font-weight: 500;
}

/* 通用区域样式 */
section {
    padding: 80px 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: #f0f7fb;
    color: #3a8fc7;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
}

.section-badge i {
    font-size: 16px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 15px 0;
}

.section-subtitle {
    font-size: 18px;
    color: #666;
    margin: 0;
}

/* 公司简介区 */
.company-intro-section {
    background: white;
}

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

.intro-text {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.intro-paragraph {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin: 0;
}

.intro-paragraph strong {
    color: #3a8fc7;
    font-weight: 600;
}

.intro-highlights {
    display: flex;
    gap: 20px;
    margin-top: 10px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: #f0f7fb;
    border-radius: 10px;
    font-weight: 600;
    color: #3a8fc7;
}

.highlight-item i {
    font-size: 20px;
}

.intro-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

.image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(58, 143, 199, 0.8) 0%, rgba(118, 75, 162, 0.8) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.image-wrapper:hover .image-overlay {
    opacity: 1;
}

.image-overlay i {
    font-size: 80px;
    color: white;
}

/* 核心优势区 */
.advantages-section {
    background: white;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.advantage-card {
    background: #f8f9fa;
    padding: 40px 30px;
    border-radius: 16px;
    transition: all 0.4s ease;
    border: 2px solid transparent;
}

.advantage-card:hover {
    background: white;
    border-color: #3a8fc7;
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(58, 143, 199, 0.15);
}

.card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #3a8fc7 0%, #2d7bb8 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    transition: all 0.4s ease;
}

.advantage-card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
}

.card-icon i {
    font-size: 32px;
    color: white;
}

.card-title {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 15px 0;
}

.card-description {
    font-size: 15px;
    line-height: 1.7;
    color: #666;
    margin: 0 0 20px 0;
}

.card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.feature-tag {
    padding: 6px 14px;
    background: #fff5e6;
    color: #E99122;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

/* 产品范围区 */
.products-range-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.product-category {
    background: white;
    padding: 30px 25px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.product-category:hover {
    border-color: #3a8fc7;
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.category-icon {
    width: 60px;
    height: 60px;
    background: #f0f7fb;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.product-category:hover .category-icon {
    background: #3a8fc7;
}

.category-icon i {
    font-size: 28px;
    color: #3a8fc7;
    transition: color 0.3s ease;
}

.product-category:hover .category-icon i {
    color: white;
}

.product-category h4 {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 10px 0;
}

.product-category p {
    font-size: 14px;
    color: #666;
    margin: 0;
    line-height: 1.6;
}

/* 企业文化区 */
.culture-section {
    background: white;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.culture-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 40px 30px;
    border-radius: 20px;
    transition: all 0.4s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.culture-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #3a8fc7 0%, #667eea 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

.culture-card:hover {
    background: white;
    border-color: #3a8fc7;
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(58, 143, 199, 0.2);
}

.culture-icon-wrapper {
    margin-bottom: 25px;
}

.culture-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3a8fc7 0%, #667eea 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
}

.culture-card:hover .culture-icon {
    transform: scale(1.1) rotate(-5deg);
}

.culture-icon i {
    font-size: 40px;
    color: white;
}

.culture-title {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 20px 0;
}

.culture-motto {
    background: linear-gradient(135deg, #fff5e6 0%, #ffe6cc 100%);
    padding: 15px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    border-left: 4px solid #E99122;
}

.motto-text {
    font-size: 18px;
    font-weight: 700;
    color: #E99122;
    font-style: italic;
}

.culture-description {
    font-size: 15px;
    line-height: 1.8;
    color: #666;
    margin: 0 0 25px 0;
}

.culture-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.culture-feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    background: white;
    border-radius: 10px;
    font-weight: 600;
    color: #3a8fc7;
    transition: all 0.3s ease;
}

.culture-card:hover .culture-feature-item {
    background: #f0f7fb;
}

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

/* 核心价值观卡片 */
.values-card {
    grid-column: span 3;
}

.values-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 10px;
}

.value-item {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.value-item:hover {
    background: #f0f7fb;
    transform: translateX(5px);
}

.value-number {
    font-size: 36px;
    font-weight: 800;
    color: #3a8fc7;
    line-height: 1;
    opacity: 0.3;
}

.value-content h4 {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 8px 0;
}

.value-content p {
    font-size: 14px;
    color: #666;
    margin: 0;
    line-height: 1.6;
}

/* 联系我们区 */
.contact-section {
    background: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 50px;
}

.contact-card {
    background: #f8f9fa;
    padding: 35px 25px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.contact-card:hover {
    background: white;
    border-color: #3a8fc7;
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(58, 143, 199, 0.15);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3a8fc7 0%, #2d7bb8 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.contact-icon i {
    font-size: 28px;
    color: white;
}

.contact-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 12px 0;
}

.contact-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

.contact-card a {
    font-size: 15px;
    color: #3a8fc7;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.contact-card a:hover {
    color: #2d7bb8;
}

.contact-cta {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #3a8fc7 0%, #2d7bb8 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(58, 143, 199, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(58, 143, 199, 0.4);
}

.btn-secondary {
    background: white;
    color: #3a8fc7;
    border: 2px solid #3a8fc7;
}

.btn-secondary:hover {
    background: #3a8fc7;
    color: white;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .culture-grid {
        grid-template-columns: 1fr;
    }
    
    .values-card {
        grid-column: span 1;
    }
    
    .values-list {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .intro-highlights {
        flex-direction: column;
        gap: 10px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-cta {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 24px;
    }
}