/* 全局基础重置与变量 */
        :root {
            --primary-color: #e5763c; /* 主橙色 */
            --dark-bg: #212834;       /* 深色背景 */
            --light-bg: #f7f8fa;      /* 浅灰色背景 */
            --text-main: #333333;     /* 主要文字 */
            --text-sub: #666666;      /* 次要文字 */
            --white: #ffffff;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            color: var(--text-main);
            line-height: 1.6;
            background-color: var(--white);
        }

        /* 通用标题样式 */
        .section-title {
            text-align: center;
            font-size: 28px;
            font-weight: bold;
            margin-bottom: 40px;
            color: var(--text-main);
        }

        /* --- 第一部分：企业简介 --- */
        .section-intro {
            padding: 80px 0;
        }

        .intro-layout {
            display: flex;
            gap: 40px;
            align-items: stretch;
        }

        .intro-left {
            flex: 1.2;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .intro-title {
            font-size: 32px;
            font-weight: bold;
            margin-bottom: 20px;
            color: #222;
        }

        .intro-text {
            font-size: 14px;
            color: var(--text-sub);
            margin-bottom: 15px;
            line-height: 1.8;
        }

        .stats-grid {
            display: flex;
            gap: 20px;
            margin-top: 30px;
        }

        .stat-card {
            flex: 1;
            background-color: var(--light-bg);
            border-radius: 12px;
            padding: 30px 20px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .stat-card svg {
            width: 32px;
            height: 32px;
            fill: none;
            stroke: var(--primary-color);
            stroke-width: 2;
            margin-bottom: 15px;
        }

        .stat-number {
            font-size: 24px;
            font-weight: bold;
            color: var(--text-main);
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 12px;
            color: var(--text-sub);
        }

        .intro-right {
            flex: 0.8;
            background-color: var(--dark-bg);
            border-radius: 12px;
            padding: 40px;
            color: var(--white);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .intro-right h3 {
            font-size: 20px;
            margin-bottom: 30px;
            font-weight: bold;
        }

        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .feature-item {
            display: flex;
            gap: 15px;
        }

        .feature-item svg {
            width: 24px;
            height: 24px;
            fill: none;
            stroke: var(--primary-color);
            stroke-width: 2;
            flex-shrink: 0;
        }

        .feature-content h4 {
            font-size: 15px;
            margin-bottom: 5px;
            font-weight: bold;
        }

        .feature-content p {
            font-size: 12px;
            color: #a0a5b1;
            line-height: 1.5;
        }

        /* --- 第二部分：发展历程 --- */
        .section-history {
            background-color: var(--light-bg);
            padding: 80px 0;
        }

        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding-left: 100px;
        }

        /* 时间线竖线 */
        .timeline::before {
            content: '';
            position: absolute;
            left: 104px;
            top: 10px;
            bottom: 10px;
            width: 2px;
            background-color: #e0e4eb;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 50px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: -6px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: var(--primary-color);
            border: 4px solid var(--light-bg);
            z-index: 1;
        }

        .timeline-meta {
            position: absolute;
            left: -100px;
            top: 0;
            font-size: 14px;
        }

        .timeline-meta .phase {
            color: var(--primary-color);
            font-weight: bold;
            margin-right: 10px;
        }

        .timeline-meta .year {
            color: var(--text-sub);
        }

        .timeline-content {
            font-size: 14px;
            color: var(--text-sub);
            padding-top: 2px;
        }

        /* --- 第三部分：核心团队 --- */
        .section-team {
            padding: 80px 0;
        }

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

        .team-card {
            background-color: var(--light-bg);
            border-radius: 12px;
            padding: 40px 20px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .team-avatar {
            width: 70px;
            height: 70px;
            background-color: var(--dark-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .team-avatar svg {
            width: 32px;
            height: 32px;
            fill: none;
            stroke: var(--primary-color);
            stroke-width: 2;
        }

        .team-name {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 5px;
        }

        .team-role {
            font-size: 12px;
            color: var(--primary-color);
            margin-bottom: 15px;
        }

        .team-desc {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
        }

        /* --- 第四部分：资质荣誉 --- */
        .section-honors {
            background-color: var(--light-bg);
            padding: 80px 0;
        }

        .honors-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .honor-card {
            background-color: var(--white);
            border-radius: 8px;
            padding: 20px;
            display: flex;
            align-items: flex-start;
            gap: 15px;
            /* 添加极淡的阴影增加层次感，原图看不太出，可根据需要调整 */
            box-shadow: 0 2px 8px rgba(0,0,0,0.02);
        }

        .honor-card svg {
            width: 20px;
            height: 20px;
            fill: none;
            stroke: var(--primary-color);
            stroke-width: 2;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .honor-text {
            font-size: 13px;
            color: var(--text-main);
            line-height: 1.5;
        }

        /* --- 响应式适配 --- */
        @media (max-width: 1024px) {
            .honors-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .team-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .intro-layout {
                flex-direction: column;
            }
            .intro-right {
                margin-top: 20px;
            }
        }

        @media (max-width: 768px) {
            .section-intro, .section-history, .section-team, .section-honors {
                padding: 50px 0;
            }
            .intro-title {
                font-size: 26px;
            }
            .stats-grid {
                flex-direction: column;
            }
            .team-grid {
                grid-template-columns: 1fr;
            }
            .honors-grid {
                grid-template-columns: 1fr;
            }
            .timeline {
                padding-left: 20px;
            }
            .timeline::before {
                left: 24px;
            }
            .timeline-item {
                padding-left: 30px;
            }
            .timeline-dot {
                left: -10px; /* 调整移动端圆点位置 */
                /* 修复因padding导致的偏移，圆点现在相对item定位 */
                left: 0; 
            }
            .timeline-meta {
                position: relative;
                left: 0;
                top: 0;
                margin-bottom: 10px;
                display: block;
            }
            .timeline-dot {
                position: absolute;
                left: -21px;
                top: 8px;
            }
        }