/* 关于我们页面专用样式 - 与首页保持一致 */

/* 确保container宽度与其他页面一致 */
.about-intro .container,
.values-section .container,
.service-section .container,
.certifications .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-hero {
    background: linear-gradient(180deg, #a8e0d0 0%, #8dd4c0 50%, #72c8b0 100%);
    padding: 120px 0 80px;
    text-align: center;
    color: #2c3e50;
}
.page-hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1a365d;
}
.page-subtitle {
    font-size: 1.3rem;
    color: #4a5568;
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.8;
}

/* 关于我们介绍部分 */
.about-intro {
    padding: 80px 0;
    background: #ffffff;
}
.intro-content {
    max-width: 100%; /* 使用container的宽度限制 */
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}
.intro-text,
.intro-stats {
    min-width: 0;
}
.intro-text h2 {
    font-size: 2.5rem;
    color: #1a365d;
    margin-bottom: 2rem;
    font-weight: 600;
}
.intro-text p {
    font-size: 1.1rem;
    color: #4a5568;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}
.intro-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}
.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 8px;
    border: 2px solid #1e3a8a;
}
.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #059669;
    margin-bottom: 0.5rem;
}
.stat-label {
    font-size: 1rem;
    color: #1f2937;
}

/* 核心价值观部分 */
.values-section {
    padding: 80px 0;
    background: #f8fafc;
}
.values-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1e3a8a;
    margin-bottom: 3rem;
    font-weight: 600;
}
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 100%; /* 使用container的宽度限制 */
    margin: 0 auto;
}
.value-item {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 2px solid #059669;
}
.value-item i {
    font-size: 3rem;
    color: #059669;
    margin-bottom: 1.5rem;
}
.value-item h3 {
    font-size: 1.5rem;
    color: #1e3a8a;
    margin-bottom: 1rem;
    font-weight: 600;
}
.value-item p {
    color: #1f2937;
    line-height: 1.8;
}

/* 服务区块 */
.service-section {
    padding: 80px 0;
    background: #ffffff;
}
.service-section.alt-bg {
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
}
.service-content {
    max-width: 100%; /* 使用container的宽度限制 */
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.service-image {
    text-align: center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.service-img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    object-fit: cover;
}
.service-img:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}
.service-text h2 {
    font-size: 2.5rem;
    color: #1a365d;
    margin-bottom: 2rem;
    font-weight: 600;
    position: relative;
}
.service-text h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #2c5282 0%, #1a365d 100%);
    border-radius: 2px;
}
.service-text p {
    font-size: 1.1rem;
    color: #4a5568;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* 专业认证 */
.certifications {
    padding: 80px 0;
    background: linear-gradient(135deg, #a8e0d0 0%, #8dd4c0 100%);
}
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    max-width: 100%; /* 使用container的宽度限制 */
    margin: 0 auto;
}
.cert-item {
    padding: 2.5rem;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e2e8f0;
}
.cert-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}
.cert-image {
    margin-bottom: 1.5rem;
}
.cert-img {
    width: 120px;
    height: 80px;
    border-radius: 8px;
    object-fit: cover;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    background: #2c5282;
}
.cert-item h3 {
    font-size: 1.3rem;
    color: #1a365d;
    margin-bottom: 1rem;
    font-weight: 600;
}
.cert-item p {
    color: #4a5568;
    line-height: 1.7;
    margin-bottom: 1rem;
}

/* 页脚样式 - 移除覆盖，使用主CSS的样式 */

/* 响应式设计 */
/* 平板设备 (768px - 1024px) */
@media (max-width: 1024px) and (min-width: 769px) {
    .about-intro .container,
    .values-section .container,
    .service-section .container,
    .certifications .container {
        max-width: 960px;
        padding: 0 20px;
    }
    .service-content {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }
    .service-text h2 {
        font-size: 2rem;
    }
    .service-text p {
        font-size: 1rem;
    }
    .service-img {
        max-width: 100%;
    }
    .intro-content {
        grid-template-columns: 1.5fr 1fr;
        gap: 2.5rem;
    }
}

/* 手机和平板 (最大768px) */
@media (max-width: 768px) {
    .about-intro .container,
    .values-section .container,
    .service-section .container,
    .certifications .container {
        max-width: 720px;
        padding: 0 15px;
    }
    .page-hero-content h1 {
        font-size: 2.5rem;
    }
    /* 保持横排布局，但调整比例 */
    .service-content {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
        align-items: flex-start;
    }
    .service-image {
        order: 1;
    }
    .service-text {
        order: 2;
    }
    /* 交替显示顺序 */
    .service-section:nth-child(even) .service-content .service-image {
        order: 2;
    }
    .service-section:nth-child(even) .service-content .service-text {
        order: 1;
    }
    .service-text h2 {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }
    .service-text p {
        font-size: 0.9rem;
        line-height: 1.6;
        margin-bottom: 1rem;
    }
    .service-img {
        max-width: 100%;
        width: 100%;
        height: auto;
        max-height: 200px;
        object-fit: cover;
        border-radius: 8px;
    }
    .service-image {
        min-width: 0;
        flex-shrink: 1;
    }
    .service-text {
        min-width: 0;
        flex-shrink: 1;
        overflow-wrap: break-word;
    }
    .intro-content {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }
    .intro-text h2 {
        font-size: 1.8rem;
        margin-bottom: 1rem;
    }
    .intro-text p {
        font-size: 0.9rem;
        line-height: 1.6;
        margin-bottom: 1rem;
    }
    .intro-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    .stat-item {
        padding: 1rem;
    }
    .stat-number {
        font-size: 2rem;
    }
    .stat-label {
        font-size: 0.9rem;
    }
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    .value-item {
        padding: 1.5rem;
    }
    .value-item h3 {
        font-size: 1.2rem;
    }
    .value-item p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    .cert-grid {
        grid-template-columns: 1fr;
    }
}

/* 小屏手机 (最大480px) */
@media (max-width: 480px) {
    .page-hero {
        padding: 100px 0 60px;
    }
    .page-hero-content h1 {
        font-size: 2rem;
    }
    .about-intro .container,
    .values-section .container,
    .service-section .container,
    .certifications .container {
        max-width: 450px;
        padding: 0 10px;
    }
    /* 小屏幕仍然保持横排，但进一步缩小 */
    .service-content {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    .service-text h2 {
        font-size: 1.3rem;
        margin-bottom: 0.8rem;
    }
    .service-text p {
        font-size: 0.85rem;
        line-height: 1.5;
        margin-bottom: 0.8rem;
    }
    .service-img {
        max-height: 150px;
        border-radius: 6px;
    }
    .intro-text p {
        font-size: 0.85rem;
        line-height: 1.5;
    }
    .service-section {
        padding: 40px 0;
    }
    .intro-content {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    .intro-text h2 {
        font-size: 1.5rem;
    }
    .intro-text p {
        font-size: 0.85rem;
    }
    .intro-stats {
        gap: 0.8rem;
    }
    .stat-item {
        padding: 0.8rem;
    }
    .stat-number {
        font-size: 1.8rem;
    }
    .stat-label {
        font-size: 0.8rem;
    }
    .values-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .value-item {
        padding: 1.2rem;
    }
    .value-item i {
        font-size: 2.5rem;
    }
    .value-item h3 {
        font-size: 1.1rem;
    }
    .value-item p {
        font-size: 0.85rem;
    }
    .certifications {
        padding: 40px 0;
    }
    .cert-item {
        padding: 1.5rem;
    }
}