/* ===== 独享CSS部分 - 关于我们页面 ===== */
        /* 页面横幅 */
        .page-banner {
            height: 50vh;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-color) 100%);
            display: flex;
            align-items: center;
            margin-top: 80px;
        }

        .banner-content {
            max-width: 800px;
            padding: 40px;
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .banner-content h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            animation: slideInLeft 1.2s ease;
        }

        .banner-content p {
            font-size: 1.3rem;
            margin-bottom: 30px;
            color: rgba(255, 255, 255, 0.9);
            animation: slideInLeft 1.2s ease 0.3s both;
        }

        @keyframes slideInLeft {
            from {
                opacity: 0;
                transform: translateX(-80px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        /* 公司简介区域 */
        .about-section {
            background: white;
            position: relative;
            overflow: hidden;
        }

        .section-title {
            text-align: center;
            margin-bottom: 80px;
        }

        .section-title h2 {
            color: var(--primary-color);
            display: inline-block;
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            margin-bottom: 80px;
        }

        .about-text h2 {
            text-align: left;
            color: var(--primary-color);
        }

        .about-text h2::before {
            left: 0;
            transform: none;
        }

        .experience-badge {
            display: inline-block;
            background: var(--secondary-color);
            color: white;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 800;
            margin-top: 25px;
            position: relative;
            overflow: hidden;
            z-index: 1;
            font-size: 1.1rem;
            letter-spacing: 1px;
            transition: var(--transition);
        }

        .experience-badge::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: var(--primary-color);
            transition: var(--transition);
            z-index: -1;
        }

        .experience-badge:hover::before {
            left: 0;
        }

        .about-image {
            border-radius: 30px;
            overflow: hidden;
            box-shadow: 25px 25px 0 var(--accent-color);
            transform: rotate(-3deg);
            transition: var(--transition);
        }

        .about-image:hover {
            transform: rotate(0deg) scale(1.03);
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
        }

        .about-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: var(--transition);
        }

        .about-image:hover img {
            transform: scale(1.1);
        }

        /* 服务理念区域 */
        .philosophy-section {
            background: linear-gradient(135deg, var(--light-color) 0%, #eef2ff 100%);
            position: relative;
            overflow: hidden;
        }

        .philosophy-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }

        .philosophy-card {
            background: white;
            border-radius: 20px;
            padding: 40px 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .philosophy-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 8px;
            height: 100%;
            background: var(--secondary-color);
            transition: var(--transition);
        }

        .philosophy-card:hover::before {
            width: 100%;
            opacity: 0.08;
        }

        .philosophy-card:hover {
            transform: translateY(-15px);
        }

        .philosophy-icon {
            font-size: 3.5rem;
            color: var(--primary-color);
            margin-bottom: 25px;
            transition: var(--transition);
        }

        .philosophy-card:hover .philosophy-icon {
            transform: scale(1.2) rotate(10deg);
            color: var(--secondary-color);
        }

        .philosophy-card h3 {
            margin-bottom: 20px;
            font-size: 1.8rem;
        }

        /* 核心优势区域 */
        .advantages-section {
            background: white;
            position: relative;
            overflow: hidden;
        }

        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
        }

        .advantage-card {
            background: white;
            border-radius: 20px;
            padding: 40px 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }

        .advantage-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 10px;
            height: 100%;
            background: var(--secondary-color);
            transition: var(--transition);
        }

        .advantage-card:hover::before {
            width: 100%;
            opacity: 0.08;
        }

        .advantage-card:hover {
            transform: translateY(-15px);
        }

        .advantage-icon {
            font-size: 3.5rem;
            color: var(--primary-color);
            margin-bottom: 25px;
            transition: var(--transition);
        }

        .advantage-card:hover .advantage-icon {
            transform: scale(1.2) rotate(15deg);
            color: var(--secondary-color);
        }

        .advantage-card h3 {
            margin-bottom: 20px;
            z-index: 1;
            font-size: 1.8rem;
        }

        .advantage-card p {
            z-index: 1;
        }

        /* 服务流程区域 */
        .process-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-color) 100%);
            color: white;
            position: relative;
            overflow: hidden;
        }

        .process-section h2 {
            color: white;
        }

        .process-section h2::before {
            background: var(--secondary-color);
        }

        .process-steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 60px;
        }

        .process-steps::before {
            content: '';
            position: absolute;
            top: 60px;
            left: 0;
            width: 100%;
            height: 4px;
            background: rgba(255, 255, 255, 0.2);
            z-index: 1;
        }

        .step {
            text-align: center;
            position: relative;
            z-index: 2;
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .step-icon {
            width: 120px;
            height: 120px;
            background: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 30px;
            font-size: 2.5rem;
            color: var(--primary-color);
            position: relative;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            transition: var(--transition);
        }

        .step:hover .step-icon {
            transform: scale(1.1);
            background: var(--secondary-color);
            color: white;
        }

        .step-number {
            position: absolute;
            top: -10px;
            right: -10px;
            width: 40px;
            height: 40px;
            background: var(--secondary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            box-shadow: 0 5px 15px rgba(255, 107, 107, 0.5);
        }

        .step h3 {
            color: white;
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        .step p {
            color: rgba(255, 255, 255, 0.9);
        }

        /* 响应式设计 */
        @media (max-width: 1200px) {
            h1 {
                font-size: 3rem;
            }
            
            h2 {
                font-size: 2.5rem;
            }
        }

        @media (max-width: 992px) {
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .about-content {
                grid-template-columns: 1fr;
            }
            
            .philosophy-grid,
            .advantages-grid {
                grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            }
            
            .process-steps {
                flex-wrap: wrap;
                gap: 40px;
            }
            
            .step {
                flex: 0 0 calc(50% - 20px);
            }
            
            .process-steps::before {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .navbar {
                padding: 15px 0;
            }
            
            .nav-links {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background: white;
                flex-direction: column;
                align-items: center;
                padding-top: 60px;
                transition: var(--transition);
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            }
            
            .nav-links.active {
                left: 0;
            }
            
            .nav-links li {
                margin: 20px 0;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            h1 {
                font-size: 2.5rem;
            }
            
            h2 {
                font-size: 2rem;
            }
            
            section {
                padding: 80px 0;
            }
            
            .page-banner {
                height: 40vh;
            }
            
            .banner-content h1 {
                font-size: 2.5rem;
            }
        }

        @media (max-width: 576px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
            
            .philosophy-grid,
            .advantages-grid {
                grid-template-columns: 1fr;
            }
            
            .step {
                flex: 0 0 100%;
            }
            
            .banner-content {
                padding: 20px;
            }
            
            .banner-content h1 {
                font-size: 2rem;
            }
        }