/* 独享部分样式 - 关于我们页面特有 */
        .about-hero {
            background: linear-gradient(135deg, #1a3a8f 0%, #2a5bd7 100%);
            color: white;
            padding: 80px 0 60px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .about-hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600" opacity="0.1"><path d="M0,0 L1200,600 L0,600 Z" fill="white"/></svg>');
            background-size: cover;
        }
        
        .brand-name {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 2px;
            position: relative;
            display: inline-block;
        }
        
        .brand-name::after {
            content: "";
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: #ffcc00;
            border-radius: 2px;
        }
        
        .brand-slogan {
            font-size: 1.8rem;
            font-weight: 300;
            margin-top: 25px;
            opacity: 0.9;
        }
        
        .section-title {
            font-size: 2.2rem;
            color: #1a3a8f;
            margin: 60px 0 30px;
            padding-bottom: 15px;
            border-bottom: 2px solid #eaeaea;
            position: relative;
        }
        
        .section-title::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 80px;
            height: 2px;
            background-color: #ffcc00;
        }
        
        .overview-content {
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 30px;
            color: #555;
        }
        
        .highlight-text {
            color: #1a3a8f;
            font-weight: 600;
        }
        
        /* 发展历程时间线特效 */
        .timeline {
            position: relative;
            max-width: 900px;
            margin: 50px auto;
        }
        
        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 3px;
            background: #1a3a8f;
            transform: translateX(-50%);
        }
        
        .timeline-item {
            position: relative;
            margin-bottom: 50px;
            width: 45%;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }
        
        .timeline-item.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .timeline-item:nth-child(odd) {
            left: 0;
            text-align: right;
            padding-right: 60px;
        }
        
        .timeline-item:nth-child(even) {
            left: 55%;
            padding-left: 60px;
        }
        
        .timeline-year {
            background-color: #1a3a8f;
            color: white;
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 10px;
            box-shadow: 0 4px 10px rgba(26, 58, 143, 0.3);
        }
        
        .timeline-content {
            background-color: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            position: relative;
        }
        
        .timeline-item:nth-child(odd) .timeline-content::after {
            content: '';
            position: absolute;
            right: -15px;
            top: 20px;
            width: 0;
            height: 0;
            border-top: 15px solid transparent;
            border-bottom: 15px solid transparent;
            border-left: 15px solid white;
        }
        
        .timeline-item:nth-child(even) .timeline-content::after {
            content: '';
            position: absolute;
            left: -15px;
            top: 20px;
            width: 0;
            height: 0;
            border-top: 15px solid transparent;
            border-bottom: 15px solid transparent;
            border-right: 15px solid white;
        }
        
        .timeline-dot {
            position: absolute;
            top: 0;
            width: 20px;
            height: 20px;
            background-color: #ffcc00;
            border-radius: 50%;
            border: 4px solid #1a3a8f;
            z-index: 1;
        }
        
        .timeline-item:nth-child(odd) .timeline-dot {
            right: -56px;
        }
        
        .timeline-item:nth-child(even) .timeline-dot {
            left: -56px;
        }
        
        /* 业务体系卡片特效 */
        .business-clusters {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            margin: 40px 0;
            justify-content: center;
        }
        
        .cluster-card {
            flex: 1;
            min-width: 300px;
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
            transition: all 0.4s ease;
            opacity: 0;
            transform: translateY(30px);
        }
        
        .cluster-card.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .cluster-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
        }
        
        .cluster-header {
            background: linear-gradient(90deg, #1a3a8f 0%, #2a5bd7 100%);
            color: white;
            padding: 20px;
            text-align: center;
        }
        
        .cluster-title {
            font-size: 1.5rem;
            margin-bottom: 5px;
        }
        
        .cluster-subtitle {
            font-size: 0.9rem;
            opacity: 0.8;
        }
        
        .cluster-list {
            padding: 25px;
            list-style-type: none;
        }
        
        .cluster-list li {
            padding: 10px 0;
            border-bottom: 1px solid #f0f0f0;
            position: relative;
            padding-left: 25px;
        }
        
        .cluster-list li:last-child {
            border-bottom: none;
        }
        
        .cluster-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #1a3a8f;
            font-weight: bold;
        }
        
        /* 子公司网格特效 */
        .subsidiaries-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        
        .subsidiary-card {
            background: white;
            border-radius: 8px;
            padding: 25px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            border-left: 4px solid #1a3a8f;
            opacity: 0;
            transform: translateY(20px);
        }
        
        .subsidiary-card.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .subsidiary-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            border-left-color: #ffcc00;
        }
        
        .subsidiary-name {
            color: #1a3a8f;
            font-size: 1.3rem;
            margin-bottom: 10px;
            font-weight: 600;
        }
        
        .subsidiary-desc {
            color: #666;
            font-size: 0.95rem;
        }
        
        /* 合作伙伴轮播特效 */
        .partners-section {
            background-color: #f5f7ff;
            padding: 60px 0;
            margin: 60px 0;
        }
        
        .partners-container {
            display: flex;
            overflow: hidden;
            position: relative;
            height: 100px;
            margin: 40px 0;
        }
        
        .partners-track {
            display: flex;
            animation: scrollPartners 30s linear infinite;
            position: absolute;
            left: 0;
        }
        
        .partner-logo {
            height: 60px;
            margin: 0 40px;
            opacity: 0.7;
            transition: opacity 0.3s;
            filter: grayscale(1);
        }
        
        .partner-logo:hover {
            opacity: 1;
            filter: grayscale(0);
        }
        
        @keyframes scrollPartners {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }
        
        /* 荣誉与数据展示 */
        .stats-container {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            margin: 50px 0;
        }
        
        .stat-item {
            text-align: center;
            padding: 30px 20px;
            flex: 1;
            min-width: 200px;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }
        
        .stat-item.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: #1a3a8f;
            margin-bottom: 10px;
        }
        
        .stat-label {
            font-size: 1.1rem;
            color: #666;
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .brand-name {
                font-size: 2.5rem;
            }
            
            .brand-slogan {
                font-size: 1.4rem;
            }
            
            .timeline::before {
                left: 30px;
            }
            
            .timeline-item {
                width: 100%;
                left: 0 !important;
                padding-left: 80px !important;
                padding-right: 20px !important;
                text-align: left !important;
            }
            
            .timeline-item:nth-child(odd) .timeline-content::after,
            .timeline-item:nth-child(even) .timeline-content::after {
                display: none;
            }
            
            .timeline-item:nth-child(odd) .timeline-dot,
            .timeline-item:nth-child(even) .timeline-dot {
                left: 21px;
                right: auto;
            }
            
            .business-clusters {
                flex-direction: column;
            }
            
            .section-title {
                font-size: 1.8rem;
            }
        }