/* 页面标题区域 */
        .page-header {
            height: 60vh;
            background: linear-gradient(135deg, var(--deep-navy) 0%, var(--rich-blue) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
            margin-top: 70px;
            position: relative;
            overflow: hidden;
        }

        .page-header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" fill="%23c9a96e" opacity="0.05"><polygon points="50,0 100,50 50,100 0,50"/></svg>');
            background-size: 200px;
        }

        .page-header-content h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .page-header-content p {
            font-size: 1.3rem;
            max-width: 700px;
            margin: 0 auto;
            color: rgba(255, 255, 255, 0.85);
        }

        /* 关于我们内容 */
        .about-content {
            display: flex;
            align-items: center;
            gap: 70px;
            margin-bottom: 100px;
        }

        .about-text {
            flex: 1;
        }

        .about-text h2 {
            font-size: 2.5rem;
            margin-bottom: 25px;
            color: var(--deep-navy);
            font-weight: 700;
        }

        .about-text p {
            margin-bottom: 25px;
            color: var(--text-light);
            font-size: 1.05rem;
            line-height: 1.8;
        }

        .about-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin: 30px 0;
        }

        .about-feature {
            display: flex;
            align-items: center;
        }

        .about-feature i {
            color: var(--gold);
            margin-right: 15px;
            font-size: 1.3rem;
            background: rgba(201, 169, 110, 0.1);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .about-image {
            flex: 1;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            opacity: 0;
            transform: translateX(50px);
            transition: all 1s ease;
            position: relative;
        }

        .about-image::before {
            content: '';
            position: absolute;
            top: 20px;
            left: 20px;
            right: -20px;
            bottom: -20px;
            border: 2px solid var(--gold);
            border-radius: var(--border-radius);
            z-index: -1;
            opacity: 0.3;
        }

        .about-image.visible {
            opacity: 1;
            transform: translateX(0);
        }

        .about-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .about-image:hover img {
            transform: scale(1.05);
        }

        /* 发展历程 */
        .timeline-section {
            background: var(--light-bg);
            position: relative;
            overflow: hidden;
        }

        .timeline {
            position: relative;
            max-width: 1200px;
            margin: 0 auto;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 6px;
            background-color: var(--gold);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -3px;
        }

        .timeline-item {
            padding: 10px 40px;
            position: relative;
            width: 50%;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }

        .timeline-item.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 25px;
            height: 25px;
            right: -13px;
            background-color: white;
            border: 4px solid var(--gold);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left {
            left: 0;
        }

        .right {
            left: 50%;
        }

        .left::before {
            content: " ";
            height: 0;
            position: absolute;
            top: 22px;
            width: 0;
            z-index: 1;
            right: 30px;
            border: medium solid white;
            border-width: 10px 0 10px 10px;
            border-color: transparent transparent transparent white;
        }

        .right::before {
            content: " ";
            height: 0;
            position: absolute;
            top: 22px;
            width: 0;
            z-index: 1;
            left: 30px;
            border: medium solid white;
            border-width: 10px 10px 10px 0;
            border-color: transparent white transparent transparent;
        }

        .right::after {
            left: -13px;
        }

        .timeline-content {
            padding: 20px 30px;
            background-color: white;
            position: relative;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .timeline-content:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .timeline-year {
            font-weight: 700;
            color: var(--gold);
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

        .timeline-content h3 {
            font-size: 1.4rem;
            margin-bottom: 10px;
            color: var(--deep-navy);
        }

        /* 价值观部分 */
        .values-section {
            position: relative;
            overflow: hidden;
        }

        .values-section::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 300px;
            height: 300px;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" fill="%23c9a96e" opacity="0.05"><polygon points="50,0 100,50 50,100 0,50"/></svg>');
            background-size: contain;
        }

        .values-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 40px;
        }

        .value-card {
            text-align: center;
            padding: 40px 30px;
            border-radius: var(--border-radius);
            background: var(--white);
            box-shadow: var(--shadow);
            transition: var(--transition);
            opacity: 0;
            transform: translateY(40px);
            position: relative;
            overflow: hidden;
        }

        .value-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--deep-navy) 0%, transparent 70%);
            opacity: 0;
            transition: var(--transition);
            z-index: -1;
        }

        .value-card.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .value-card:hover {
            transform: translateY(-15px);
            box-shadow: var(--shadow-hover);
            color: white;
        }

        .value-card:hover::before {
            opacity: 1;
        }

        .value-card:hover .value-icon {
            background: var(--gold);
            color: var(--deep-navy);
        }

        .value-card:hover h3,
        .value-card:hover p {
            color: white;
        }

        .value-icon {
            width: 90px;
            height: 90px;
            background: var(--deep-navy);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            color: var(--gold);
            font-size: 2.2rem;
            transition: var(--transition);
        }

        .value-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: var(--deep-navy);
            font-weight: 600;
            transition: var(--transition);
        }

        .value-card p {
            color: var(--text-light);
            transition: var(--transition);
        }

        /* 统计数据 */
        .stats-section {
            background: linear-gradient(135deg, var(--deep-navy) 0%, var(--rich-blue) 100%);
            color: white;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" fill="%23ffffff" opacity="0.03"><polygon points="50,0 100,50 50,100 0,50"/></svg>');
            background-size: 200px;
        }

        .stats-section .section-title h2 {
            color: white;
        }
        
        .stats-section .section-title p {
            color: rgba(255, 255, 255, 0.85);
        }

        .stats-section .section-title::after {
            background: var(--gold);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
        }

        .stat-item {
            text-align: center;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }

        .stat-item.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .stat-number {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--gold);
        }

        .stat-text {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.9);
        }
 

        /* 响应式设计 */
        @media (max-width: 1200px) {
            .container {
                max-width: 1140px;
            }
        }

        @media (max-width: 992px) {
            .container {
                max-width: 960px;
            }
            
            .about-content {
                flex-direction: column;
            }
            
            .about-image {
                margin-top: 50px;
            }
            
            .timeline::after {
                left: 31px;
            }
            
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            
            .timeline-item::before {
                left: 60px;
                border: medium solid white;
                border-width: 10px 10px 10px 0;
                border-color: transparent white transparent transparent;
            }
            
            .left::after, .right::after {
                left: 18px;
            }
            
            .right {
                left: 0%;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            
            .navbar .container {
                padding: 0 20px;
            }
            
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: var(--deep-navy);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding-top: 50px;
                transition: var(--transition);
                z-index: 999;
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-menu li {
                margin: 20px 0;
            }
            
            .hamburger {
                display: block;
            }
            
            .nav-cta {
                display: none;
            }
            
            .page-header-content h1 {
                font-size: 2.5rem;
            }
            
            .page-header-content p {
                font-size: 1.1rem;
            }
            
            .section-title h2 {
                font-size: 2.2rem;
            }
            
            .about-features {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 576px) {
            .section {
                padding: 70px 0;
            }
            
            .page-header-content h1 {
                font-size: 2rem;
            }
            
            .page-header-content p {
                font-size: 1rem;
            }
            
            .values-grid,
            .stats-grid {
                grid-template-columns: 1fr;
            }
            
            .section-title h2 {
                font-size: 1.8rem;
            }
        }