/* 关于页面 */
        .about-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 60px 20px 80px;
        }

        .about-hero {
            text-align: center;
            padding: 40px 20px;
            margin-bottom: 50px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 20px;
            color: #fff;
        }

        .about-hero h1 {
            font-size: clamp(32px, 5vw, 48px);
            margin-bottom: 16px;
            font-weight: 700;
        }

        .about-hero p {
            font-size: clamp(16px, 2vw, 20px);
            line-height: 1.6;
            opacity: 0.95;
        }

        .about-section {
            margin-bottom: 50px;
        }

        .about-section h2 {
            font-size: 28px;
            color: #333;
            margin-bottom: 24px;
            padding-bottom: 12px;
            border-bottom: 3px solid #667eea;
            display: inline-block;
        }

        .about-section p {
            font-size: 16px;
            line-height: 1.8;
            color: #666;
            margin-bottom: 16px;
        }

        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }

        .team-card {
            background: #fff;
            border-radius: 16px;
            padding: 30px;
            text-align: center;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .team-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
        }

        .team-avatar {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 40px;
            color: #fff;
        }

        .team-card h3 {
            font-size: 20px;
            color: #333;
            margin-bottom: 8px;
        }

        .team-card .role {
            font-size: 14px;
            color: #667eea;
            margin-bottom: 12px;
            font-weight: 500;
        }

        .team-card p {
            font-size: 14px;
            color: #666;
            line-height: 1.6;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
            margin-top: 30px;
        }

        .stat-card {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 16px;
            padding: 30px;
            text-align: center;
            color: #fff;
        }

        .stat-number {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 16px;
            opacity: 0.9;
        }

        @media (max-width: 768px) {
            .about-content {
                padding: 40px 16px 60px;
            }

            .about-hero {
                padding: 30px 16px;
            }

            .about-section h2 {
                font-size: 24px;
            }

            .team-grid {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stat-number {
                font-size: 36px;
            }
        }