@charset "utf-8";

/* ===== 关于我们页面样式 ===== */

/* 企业介绍区域 */
.about-section {
    width: 100%;
    padding: 60px 20px;
    background: #fff;
}

.about-container {
    max-width: 1000px;
    margin: 0 auto;
}

.section-title {
    font-size: 30px;
    color: #c00;
    text-align: center;
    margin-bottom: 40px;
    font-weight: bold;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: #c00;
    margin: 15px auto 0;
}

.about-intro {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.about-text p {
    font-size: 15px;
    color: #555;
    line-height: 2;
    text-indent: 2em;
    text-align: justify;
    margin-bottom: 16px;
}

/* ===== 工厂环境 ===== */
.factory-section {
    width: 100%;
    padding: 60px 20px;
    background: #f8f8f8;
}

.factory-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.factory-item {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.factory-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.factory-item img {
    width: 100%;
    height: 260px;
    object-fit: cover;
    display: block;
}

@media (max-width: 768px) {
    .factory-gallery {
        grid-template-columns: 1fr;
    }
    .factory-item img {
        height: 200px;
    }
}

/* ===== 资质证书 ===== */
.certificate-section {
    width: 100%;
    padding: 60px 20px;
    background: #fff;
}

.certificate-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.certificate-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.certificate-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.certificate-item img {
    width: 100%;
    height: 340px;
    object-fit: contain;
    display: block;
    background: #fff;
}

.certificate-name {
    text-align: center;
    font-size: 14px;
    color: #555;
    letter-spacing: 1px;
    padding: 12px 0;
    border-top: 1px solid #f0f0f0;
}

@media (max-width: 768px) {
    .certificate-gallery {
        grid-template-columns: 1fr;
    }
    .certificate-item img {
        height: auto;
    }
}

/* ===== 公司宣传册 ===== */
.brochure-section {
    width: 100%;
    padding: 60px 20px;
    background: #f8f8f8;
}

.brochure-box {
    background: #fff;
    border-radius: 12px;
    padding: 32px 40px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
    transition: box-shadow 0.3s;
}

.brochure-box:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.brochure-info {
    display: flex;
    align-items: center;
    gap: 20px;
    flex: 1;
    min-width: 260px;
}

.brochure-icon {
    width: 64px;
    height: 80px;
    background: linear-gradient(135deg, #c00, #e04040);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    letter-spacing: 1px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(204,0,0,0.3);
}

.brochure-text h3 {
    font-size: 18px;
    color: #333;
    margin-bottom: 8px;
}

.brochure-text p {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
}

.brochure-actions {
    display: flex;
    gap: 14px;
    flex-shrink: 0;
}

.brochure-btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 24px;
    background: #c00;
    color: #fff;
    font-size: 15px;
    text-decoration: none;
    transition: background 0.3s, transform 0.3s;
}

.brochure-btn:hover {
    background: #a80000;
    transform: translateY(-2px);
}

.brochure-btn-download {
    background: #fff;
    color: #c00;
    border: 1px solid #c00;
}

.brochure-btn-download:hover {
    background: #c00;
    color: #fff;
}

@media (max-width: 768px) {
    .brochure-box {
        padding: 24px 20px;
        flex-direction: column;
        align-items: flex-start;
    }
    .brochure-actions {
        width: 100%;
        flex-direction: column;
    }
    .brochure-btn {
        text-align: center;
    }
}

/* 发展历程 - 时间�?*/
.timeline-section {
    width: 100%;
    padding: 60px 20px;
    background: #f8f8f8;
}

.timeline {
    position: relative;
    padding-left: 40px;
}

/* 时间线竖�?*/
.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: #c00;
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding-left: 30px;
}

/* 时间线圆�?*/
.timeline-item::before {
    content: '';
    position: absolute;
    left: -33px;
    top: 6px;
    width: 16px;
    height: 16px;
    background: #c00;
    border: 3px solid #fff;
    border-radius: 50%;
    box-shadow: 0 0 0 3px #c00;
    z-index: 1;
}

.timeline-year {
    display: inline-block;
    background: #c00;
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    padding: 6px 20px;
    border-radius: 20px;
    margin-bottom: 12px;
}

.timeline-content {
    background: #fff;
    border-radius: 8px;
    padding: 20px 24px;
    box-shadow: 0 2px 12px rgba(0,0,0,.08);
    transition: box-shadow 0.3s;
}

.timeline-content:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,.15);
}

.timeline-content h3 {
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
}

.timeline-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
    text-align: justify;
}

/* 企业理念 */
.motto-section {
    width: 100%;
    padding: 50px 20px;
    background: #fff;
}

.motto-box {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, #c00, #e04040);
    border-radius: 12px;
    color: #fff;
}

.motto-box h3 {
    font-size: 24px;
    margin-bottom: 20px;
    font-weight: bold;
}

.motto-box p {
    font-size: 22px;
    font-weight: bold;
    letter-spacing: 2px;
}

/* 导航高亮 */
.nav-list li a.active {
    color: #fff;
    background-color: #0066cc;
}

/* 响应�?*/
@media (max-width: 768px) {
    .about-intro {
        flex-direction: column;
    }

    .section-title {
        font-size: 24px;
    }

    .timeline {
        padding-left: 30px;
    }

    .timeline-item {
        padding-left: 20px;
    }

    .timeline-item::before {
        left: -27px;
        width: 12px;
        height: 12px;
    }

    .timeline-year {
        font-size: 15px;
        padding: 4px 16px;
    }

    .timeline-content {
        padding: 16px 18px;
    }

    .timeline-content h3 {
        font-size: 16px;
    }

    .motto-box {
        padding: 30px 20px;
    }

    .motto-box p {
        font-size: 18px;
    }
}