/**
 * ================================================
 * 文件：about.css
 * 作用：公司简介页面专用样式
 * 说明：仅用于about.html页面，风格与全站保持一致
 * ================================================
 */

/* ========== 页面容器 ========== */
.about-center {
    background: #f5f7fa;
    padding: 20px 0 60px;
    min-height: 600px;
}

/* ========== 左侧导航高亮样式（统一规范） ========== */
.sidebar-menu li.active a {
    background: var(--color-accent);
    border-left-color: var(--color-accent);
    color: #fff;
}
.sidebar-menu li.active a i { color: #fff; }
.sidebar-menu li.active1 a {
    background: var(--color-accent);
    border-left-color: var(--color-accent);
    color: #fff;
}
.sidebar-menu li.active1 a i { color: #fff; }
.sidebar-menu li a:hover {
    background: var(--color-accent);
    border-left-color: var(--color-accent);
    color: #fff;
}
.sidebar-menu li a:hover i { color: #fff; }

/* ========== 右侧内容区 ========== */
.about-content-area {
    flex: 1;
    background: #fff;
    border-radius: 8px;
    padding: 30px 40px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    min-height: 500px;
}

.about-section {
    margin-bottom: 45px;
}
.about-section:last-child {
    margin-bottom: 0;
}

.section-title {
    font-size: 20px;
    color: var(--color-text);
    font-weight: bold;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-bg-light);
    display: flex;
    align-items: center;
    gap: 10px;
}
.section-title i {
    color: #007dcd;
    font-size: 18px;
}

.about-text p {
    font-size: 14px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 15px;
    text-align: justify;
}

/* 重点信息块 */
.about-highlight {
    background: var(--color-bg-light);
    border-left: 4px solid var(--color-primary);
    padding: 18px 20px;
    margin: 20px 0;
    border-radius: 0 6px 6px 0;
}
.about-highlight h4 {
    color: var(--color-primary);
    font-size: 16px;
    margin-bottom: 8px;
    font-weight: 600;
}
.about-highlight p {
    margin-bottom: 0;
    color: #444;
}

/* 总部图片占位 */
.hq-image {
    width: 100%;
    height: 320px;
    background: linear-gradient(135deg, #e8edf2 0%, #f5f7fa 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    overflow: hidden;
    position: relative;
}
.hq-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hq-image .placeholder-text {
    color: #888;
    font-size: 14px;
    text-align: center;
}

/* 创新产品网格 */
.innovation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 20px;
}
.innovation-item {
    background: #fafbfc;
    padding: 20px 15px;
    border-radius: 8px;
    border: 1px solid #e8edf2;
    text-align: center;
    transition: all 0.3s ease;
}
.innovation-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(23, 82, 166, 0.12);
    border-color: var(--color-primary);
}
.innovation-item .icon-box {
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin: 0 auto 12px;
}
.innovation-item h5 {
    color: var(--color-text);
    margin-bottom: 6px;
    font-size: 15px;
    font-weight: 600;
}
.innovation-item p {
    font-size: 12px;
    color: #666;
    margin: 0;
    line-height: 1.5;
}

/* 资质认证网格 */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
    margin-top: 20px;
}
.cert-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    background: #fafbfc;
    border-radius: 6px;
    border: 1px solid #e8edf2;
    transition: all 0.3s;
}
.cert-item:hover {
    background: #fff;
    border-color: var(--color-accent);
    box-shadow: 0 4px 10px rgba(244, 171, 16, 0.15);
}
.cert-item i {
    color: var(--color-accent);
    font-size: 22px;
    flex-shrink: 0;
}
.cert-item span {
    font-size: 13px;
    color: #555;
    font-weight: 500;
    line-height: 1.4;
}

/* ========== 响应式适配 ========== */
@media (max-width: 1024px) {
    .about-content-area { padding: 25px 20px; }
    .innovation-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .about-center { padding: 20px 0 40px; }
    .about-content-area { padding: 20px 15px; }
    .section-title { font-size: 18px; }
    .hq-image { height: 240px; }
    .innovation-grid { grid-template-columns: 1fr; gap: 12px; }
    .cert-grid { grid-template-columns: 1fr; }
    .about-highlight { padding: 15px; }
}

/* 公司简介图片容器 */
.about-image-box,
.facility-image-box {
    margin: 25px 0;
    text-align: center;
}
.about-image-box img,
.facility-image-box img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}
.about-image-box img:hover,
.facility-image-box img:hover {
    transform: scale(1.02);
}
.about-image-box p,
.facility-image-box p {
    font-size: 12px;
    color: #999;
    margin-top: 8px;
}

/* 资质认证网格优化 */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 12px;
    margin-top: 20px;
}
.cert-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    background: #f8f9fa;
    border-radius: 6px;
    font-size: 13px;
    color: #555;
    transition: all 0.3s ease;
}
.cert-item:hover {
    background: var(--color-accent);
    color: #fff;
    transform: translateX(5px);
}
.cert-item i {
	color: #007dcd;
    font-size: 16px;
    min-width: 20px;
}
.cert-item:hover i {
    color: #fff;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .cert-grid {
        grid-template-columns: 1fr;
    }
    .about-image-box img,
    .facility-image-box img {
        max-width: 95%;
    }
}