/* === 关于我们页面独特样式 === */
        
        /* 关于标题区域 */
        .about-hero {
            text-align: center;
            margin: 4rem auto 2rem;
        }
        .about-hero h1 {
            font-size: 3.5rem;
            font-weight: 450;
            color: #4d3e2e;
            letter-spacing: -0.02em;
        }
        .about-hero p {
            font-size: 1.3rem;
            color: #7f6e5d;
            max-width: 700px;
            margin: 1rem auto 0;
        }

        /* 公司概览双栏 */
        .overview-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            background: #fffaf4;
            border-radius: 48px;
            padding: 3rem;
            box-shadow: 0 15px 30px -10px #dccbb8;
        }
        .overview-text p {
            font-size: 1.1rem;
            color: #5b4637;
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }
        .overview-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin-top: 2rem;
        }
        .stat-item {
            flex: 1 1 140px;
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 500;
            color: #b58d63;
            line-height: 1.2;
        }
        .stat-label {
            color: #7b614b;
            font-size: 0.95rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* 全球足迹卡片 */
        .footprint-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-top: 2rem;
        }
        .city-card {
            background: white;
            border-radius: 32px;
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: 0 10px 25px -8px rgba(140, 100, 70, 0.1);
            transition: 0.2s;
            border: 1px solid #f0e1d2;
        }
        .city-card:hover {
            transform: translateY(-6px);
            border-color: #dbb88c;
        }
        .city-card i {
            font-size: 2.8rem;
            color: #b58d63;
            margin-bottom: 1rem;
        }
        .city-card h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #4d3e2e;
            margin-bottom: 0.3rem;
        }
        .city-card p {
            color: #7f6e5d;
            font-size: 0.9rem;
        }

        /* 发展历程/里程碑 */
        .milestones {
            background: #f6ede4;
            border-radius: 60px;
            padding: 3rem;
        }
        .milestone-item {
            display: flex;
            gap: 2rem;
            margin-bottom: 2rem;
            align-items: flex-start;
        }
        .milestone-year {
            font-size: 2rem;
            font-weight: 500;
            color: #b58d63;
            min-width: 100px;
        }
        .milestone-desc p {
            color: #5b4637;
            font-size: 1.1rem;
        }
        .milestone-desc i {
            color: #b58d63;
            margin-right: 0.5rem;
        }

        /* 核心价值观图标网格 */
        .values-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .value-card {
            background: #fffcf7;
            border-radius: 32px;
            padding: 2rem;
            border: 1px solid #ecdacb;
            transition: 0.2s;
            text-align: center;
        }
        .value-card:hover {
            background: #ffffff;
            border-color: #dbb88c;
        }
        .value-card i {
            font-size: 2.5rem;
            color: #b58d63;
            margin-bottom: 1rem;
        }
        .value-card h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #4d3e2e;
            margin-bottom: 0.5rem;
        }
        .value-card p {
            color: #7f6e5d;
        }

        /* 无团队介绍、无案例展示 */
        /* 响应式 */
        @media (max-width: 1024px) {
            .overview-grid { grid-template-columns: 1fr; }
            .footprint-grid { grid-template-columns: repeat(2, 1fr); }
            .values-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 640px) {
            .footprint-grid { grid-template-columns: 1fr; }
            .values-grid { grid-template-columns: 1fr; }
            .milestone-item { flex-direction: column; gap: 0.5rem; }
        }