/* 独享CSS部分 - 关于我们页面 */
        .page-header {
            padding-top: 120px;
            padding-bottom: 60px;
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
            color: white;
            text-align: center;
        }

        .page-header h1 {
            font-size: 2.8rem;
            margin-bottom: 15px;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }

        .page-header p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto;
            opacity: 0.9;
        }

        .about-section {
            background: var(--light-color);
            position: relative;
            overflow: hidden;
        }

        .about-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 171, 0, 0.05) 0%, transparent 70%);
            animation: rotate 20s linear infinite;
            z-index: 0;
        }

        @keyframes rotate {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .about-container {
            position: relative;
            z-index: 1;
        }

        /* 公司简介部分 */
        .company-intro {
            background: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 50px;
            margin-bottom: 50px;
            animation: fadeInUp 0.6s ease forwards;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .company-intro h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 20px;
            text-align: center;
        }

        .company-intro p {
            margin-bottom: 20px;
            line-height: 1.8;
            text-align: justify;
        }

        .highlight-text {
            color: var(--secondary-color);
            font-weight: 600;
        }

        /* 核心优势部分 */
        .core-advantages {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-bottom: 50px;
        }

        .advantage-item {
            background: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 30px;
            text-align: center;
            transition: var(--transition);
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 0.6s ease forwards;
        }

        .advantage-item:nth-child(1) { animation-delay: 0.1s; }
        .advantage-item:nth-child(2) { animation-delay: 0.2s; }
        .advantage-item:nth-child(3) { animation-delay: 0.3s; }
        .advantage-item:nth-child(4) { animation-delay: 0.4s; }

        .advantage-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }

        .advantage-icon {
            width: 80px;
            height: 80px;
            background: var(--light-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: var(--primary-color);
            font-size: 2rem;
            transition: var(--transition);
        }

        .advantage-item:hover .advantage-icon {
            background: var(--primary-color);
            color: white;
            transform: rotateY(180deg);
        }

        .advantage-title {
            font-size: 1.3rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }

        /* 公司历程部分 */
        .company-history {
            background: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 50px;
            margin-bottom: 50px;
            animation: fadeInUp 0.6s ease 0.5s forwards;
            opacity: 0;
        }

        .company-history h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 30px;
            text-align: center;
        }

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

        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            background: var(--secondary-color);
            transform: translateX(-50%);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 40px;
            width: 50%;
            padding: 0 40px;
        }

        .timeline-item:nth-child(odd) {
            left: 0;
            text-align: right;
        }

        .timeline-item:nth-child(even) {
            left: 50%;
            text-align: left;
        }

        .timeline-year {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--secondary-color);
            margin-bottom: 10px;
        }

        .timeline-content {
            background: var(--light-color);
            padding: 20px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .timeline-item:hover .timeline-content {
            background: var(--primary-color);
            color: white;
            transform: scale(1.05);
        }

        .timeline-content h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

        /* 数据统计部分 */
        .stats-section {
            background: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 50px;
            animation: fadeInUp 0.6s ease 0.7s forwards;
            opacity: 0;
        }

        .stats-section h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 40px;
            text-align: center;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
        }

        .stat-item {
            text-align: center;
            padding: 30px 20px;
            background: var(--light-color);
            border-radius: var(--radius);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-10px);
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--secondary-color);
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .stat-item:hover .stat-number {
            color: white;
        }

        .stat-text {
            font-size: 1.1rem;
            font-weight: 600;
        }

        /* 响应式设计 */
        @media (max-width: 992px) {
            .timeline::before {
                left: 30px;
            }
            
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 0;
                text-align: left;
            }
            
            .timeline-item:nth-child(odd),
            .timeline-item:nth-child(even) {
                left: 0;
            }
        }

        @media (max-width: 768px) {
            .company-intro, .company-history, .stats-section {
                padding: 30px;
            }
            
            .page-header h1 {
                font-size: 2.2rem;
            }
            
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .company-intro, .company-history, .stats-section {
                padding: 25px;
            }
            
            .stats-grid {
                grid-template-columns: 1fr;
            }
            
            .core-advantages {
                grid-template-columns: 1fr;
            }
        }