/* ===== 页面头部样式 ===== */
        .page-header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            padding: 180px 0 100px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .page-header h1 {
            font-size: 4.5rem;
            font-weight: 900;
            margin-bottom: 30px;
            text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
        }

        .page-header p {
            font-size: 1.5rem;
            max-width: 800px;
            margin: 0 auto 40px;
            text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.2);
        }

        /* ===== 联系信息样式 ===== */
        .contact-info-section {
            background-color: white;
            position: relative;
            overflow: hidden;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 50px;
        }

        .contact-card {
            background: white;
            border-radius: 0;
            padding: 50px 40px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
            z-index: 1;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }

        .contact-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 6px;
            height: 100%;
            background: var(--secondary);
            transition: var(--transition);
        }

        .contact-card:hover::before {
            width: 100%;
            opacity: 0.1;
        }

        .contact-card:hover {
            transform: translateY(-20px);
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
        }

        .contact-card:hover .contact-icon {
            transform: scale(1.3);
            color: var(--primary);
        }

        .contact-icon {
            font-size: 3.5rem;
            color: var(--primary);
            margin-bottom: 30px;
            transition: var(--transition);
        }

        .contact-card h3 {
            font-size: 1.6rem;
            color: var(--dark);
            margin-bottom: 20px;
        }

        .contact-details {
            list-style: none;
            text-align: left;
        }

        .contact-details li {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }

        .contact-details i {
            margin-right: 15px;
            color: var(--primary);
            font-size: 1.2rem;
            width: 20px;
        }

        /* ===== 微信二维码样式 ===== */
        .wechat-section {
            background: var(--light);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .wechat-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            max-width: 600px;
            margin: 0 auto;
        }

        .wechat-qrcode {
            width: 300px;
            height: 300px;
            background: white;
            border-radius: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 40px;
            box-shadow: var(--shadow);
            position: relative;
            transition: var(--transition);
            border: 4px solid white;
            overflow: hidden;
        }

        .wechat-qrcode::before {
            content: '';
            position: absolute;
            top: -8px;
            left: -8px;
            right: -8px;
            bottom: -8px;
            background: var(--primary);
            border-radius: 0;
            z-index: -1;
            opacity: 0;
            transition: var(--transition);
        }

        .wechat-qrcode:hover {
            transform: scale(1.05);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .wechat-qrcode:hover::before {
            opacity: 0.1;
        }

        .wechat-qrcode img {
            width: 90%;
            height: 90%;
            object-fit: contain;
        }

        .wechat-text {
            max-width: 500px;
            margin: 0 auto;
        }

        .wechat-text h3 {
            font-size: 2rem;
            color: var(--dark);
            margin-bottom: 20px;
        }

        .wechat-text p {
            font-size: 1.2rem;
            color: var(--gray);
            margin-bottom: 30px;
        }

        /* ===== 响应式设计 ===== */
        @media (max-width: 1200px) {
            .page-header h1 {
                font-size: 4rem;
            }
        }

        @media (max-width: 992px) {
            .page-header h1 {
                font-size: 3.5rem;
            }
            
            .contact-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .page-header {
                padding: 150px 0 80px;
            }
            
            .page-header h1 {
                font-size: 3rem;
            }
            
            .page-header p {
                font-size: 1.3rem;
            }
            
            .wechat-qrcode {
                width: 250px;
                height: 250px;
            }
        }

        @media (max-width: 576px) {
            .page-header h1 {
                font-size: 2.5rem;
            }
            
            .page-header p {
                font-size: 1.1rem;
            }
            
            .wechat-qrcode {
                width: 200px;
                height: 200px;
            }
            
            .wechat-text h3 {
                font-size: 1.6rem;
            }
        }