/* 面包屑导航 */
.breadcrumb-section {
    background-color: #f9f9f9;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #666;
}

.breadcrumb a {
    color: #666;
}

.breadcrumb a.active {
    color: #007bff;
    font-weight: 500;
}

.breadcrumb span {
    color: #999;
}

/* About Hero 区域 */
.about-hero {

   background-image: url("../images/banner.jpg");
   background-size: cover;       /* 完全覆盖容器，裁切多余部分，铺满不留白 */
    background-position: center;  /* 图片居中显示，重点内容不被裁掉 */
    background-repeat: no-repeat;/* 禁止图片重复平铺 */

    
    /* background-color: #0a1c33; */
    color: #fff;
    padding: 40px 0;
}

.about-hero .container {
    display: flex;
    flex-direction: column;
}

.about-hero-content {
    margin-bottom: 20px;
}

.about-hero h1 {
    font-size: 48px;
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: #fff;
}

.about-hero p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 10px;
    max-width: 800px;
}

.about-hero-img img {
    width: 100%;
    height: auto;
    border-radius: 4px;
}

/* 公司简介 */
.company-profile {
    padding: 80px 0;
    background-color: #fff;
}

.company-profile h2 {
    font-size: 32px;
    font-weight: 700;
    color: #0a1c33;
    text-transform: uppercase;
    margin-bottom: 40px;
    position: relative;
    display: inline-block;
}

.company-profile h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 60px;
    height: 3px;
    background-color: #007bff;
}

.profile-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
}

.profile-text {
    flex: 1 1 500px;
}

.profile-text p {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    margin-bottom: 20px;
}

/* 公司数据卡片 */
.profile-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 30px;
}

.stat-card {
    flex: 1 1 calc(25% - 15px);
    background-color: #f9f9f9;
    padding: 20px;
    text-align: center;
    border-radius: 4px;
    min-width: 150px;
}

.stat-card i {
    font-size: 24px;
    color: #007bff;
    margin-bottom: 10px;
}

.stat-number {
    display: block;
    font-size: 28px;
    font-weight: 900;
    color: #0a1c33;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: #666;
    text-transform: uppercase;
}

.profile-img {
    flex: 1 1 400px;
}

.profile-img img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* 我们的优势 */
.our-advantages {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.our-advantages h2 {
    font-size: 32px;
    font-weight: 700;
    color: #0a1c33;
    text-transform: uppercase;
    margin-bottom: 40px;
    position: relative;
    display: inline-block;
}

.our-advantages h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 60px;
    height: 3px;
    background-color: #007bff;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 20px;
}

.advantage-card {
    background-color: #fff;
    padding: 30px 20px;
    text-align: center;
    border-radius: 4px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: #007bff;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.advantage-icon i {
    font-size: 30px;
}

.advantage-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #0a1c33;
    margin-bottom: 15px;
    text-transform: uppercase;
}

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

/* 工厂展示 */
.our-factory {
    padding: 80px 0;
    background-color: #fff;
}

.our-factory h2 {
    font-size: 32px;
    font-weight: 700;
    color: #0a1c33;
    text-transform: uppercase;
    margin-bottom: 40px;
    position: relative;
    display: inline-block;
}

.our-factory h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 60px;
    height: 3px;
    background-color: #007bff;
}

.factory-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
}

.factory-img {
    overflow: hidden;
    border-radius: 4px;
}

.factory-img img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

/* 证书展示 */
.certificates {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.certificates h2 {
    font-size: 32px;
    font-weight: 700;
    color: #0a1c33;
    text-transform: uppercase;
    margin-bottom: 40px;
    position: relative;
    display: inline-block;
}

.certificates h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 60px;
    height: 3px;
    background-color: #007bff;
}

.certificates-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    justify-items: center;
}

.certificate-card {
    background-color: #fff;
    padding: 15px;
    border-radius: 4px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.certificate-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.certificate-card img {
    width: 100%;
    height: auto;
    max-height: 300px;
    object-fit: contain;
}

/* 合作邀请CTA */
.cta-section {
    background-color: #007bff;
    color: #fff;
    padding: 40px 0;
    margin: 40px 0 0;
}

.cta-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.cta-icon {
    flex: 0 0 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cta-icon i {
    font-size: 30px;
    color: #fff;
}

.cta-text {
    flex: 1 1 400px;
}

.cta-text h3 {
    font-size: 24px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 5px;
}

.cta-text p {
    font-size: 16px;
    opacity: 0.9;
}

.cta-btn {
    flex: 0 0 auto;
    background-color: #fff;
    color: #007bff !important;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 700;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.cta-btn:hover {
    background-color: #f0f0f0;
    color: #0056b3 !important;
}

/* 响应式适配 */
@media (max-width: 992px) {
    .about-hero h1 {
        font-size: 36px;
    }

    .company-profile, .our-advantages, .our-factory, .certificates {
        padding: 60px 0;
    }

    .company-profile h2, .our-advantages h2, .our-factory h2, .certificates h2 {
        font-size: 28px;
    }
}

@media (max-width: 768px) {
    .about-hero {
        padding: 30px 0;
    }

    .about-hero h1 {
        font-size: 28px;
    }

    .profile-stats {
        gap: 15px;
    }

    .stat-card {
        flex: 1 1 calc(50% - 10px);
    }

    .advantages-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }

    .cta-content {
        flex-direction: column;
        text-align: center;
    }

    .cta-icon {
        margin-bottom: 15px;
    }
}

@media (max-width: 576px) {
    .about-hero h1 {
        font-size: 24px;
    }

    .company-profile, .our-advantages, .our-factory, .certificates {
        padding: 40px 0;
    }

    .company-profile h2, .our-advantages h2, .our-factory h2, .certificates h2 {
        font-size: 24px;
    }

    .stat-card {
        flex: 1 1 100%;
    }

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

    .factory-gallery {
        grid-template-columns: 1fr;
    }

    .certificates-gallery {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .cta-btn {
        width: 100%;
        justify-content: center;
    }
}