/* ========== 新增 About Us 模块样式（白色背景，图片缓慢缩放，箭头持续动画） ========== */
        .about-us-section {
            max-width: 100%;
            margin: 0;
            padding: 70px 28px 80px;
            background-color: #ffffff;
        }
        .services-container {
            max-width: 1380px;
            margin: 0 auto;
        }
        .about-us-grid {
            max-width: 1380px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 50px;
            background: transparent;
            border-radius: 0;
            box-shadow: none;
            padding: 0;
            border: none;
        }

        .about-image-side {
            flex: 1 1 45%;
            min-width: 280px;
            display: flex;
            justify-content: center;
            overflow: hidden;
            border-radius: 12px;
        }

        .about-image-side img {
            width: 100%;
            height: auto;
            max-height: 450px;
            object-fit: cover;
            border-radius: 12px;
            transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            will-change: transform;
        }

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

        .about-content-side {
            flex: 1 1 45%;
            min-width: 280px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .about-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: #1f1d1b;
            margin-bottom: 22px;
            line-height: 1.3;
            letter-spacing: -0.3px;
        }

        .about-description {
            font-size: 1.1rem;
            line-height: 1.8;
            color: #4a453f;
            margin-bottom: 35px;
            font-weight: 400;
        }

        .about-contact-btn {
            align-self: flex-start;
            display: inline-flex;
            align-items: center;
            gap: 14px;
            background-color: #3c3a37;
            color: #fff;
            border: none;
            padding: 14px 30px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.2s, box-shadow 0.2s;
            text-decoration: none;
            letter-spacing: 0.3px;
            box-shadow: 0 6px 18px rgba(0,0,0,0.1);
            
            /* 新增：移除 a 标签在部分浏览器中的默认外观 */
            -webkit-appearance: none;
            appearance: none;
        }

        .about-contact-btn:hover {
            background-color: #1f1d1b;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(0,0,0,0.18);
        }

        .about-contact-btn .btn-text {
            white-space: nowrap;
        }

        .about-contact-btn .arrow-icon {
            display: inline-flex;
            animation: arrowSlide 1.6s ease-in-out infinite;
        }

        @keyframes arrowSlide {
            0%, 100% { transform: translateX(0); }
            50% { transform: translateX(10px); }
        }

        /* ========== 服务模块专属样式（完美自适应，修复悬停背景扩散） ========== */
        .services-section {
            max-width: 100%;
            background-color: #ffffff;
            padding: 70px 28px 80px;
            margin: 0;
        }
        
        .services-section-title {
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }

        .services-section-title h2 {
            font-style:italic;
            font-size: 2.8rem;
            font-weight: 700;
            color: #1f1d1b;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 0;
            position: relative;
            display: inline-block;
        }

        /* 分隔线 */
        .services-section-divider {
            width: 64px;
            height: 1px;
            background: linear-gradient(90deg, transparent, #F05D0D 20%, #F05D0D 80%, transparent);
            margin: 26px auto 0;
            position: relative;
        }

        .services-section-divider::after {
            content: "";
            position: absolute;
            top: -3px;
            left: 50%;
            transform: translateX(-50%) rotate(45deg);
            width: 7px;
            height: 7px;
            background: #F05D0D;
            box-shadow: 0 0 6px rgba(240, 93, 13, 0.4);
            transition: transform 0.4s ease, box-shadow 0.4s ease;
        }

        .services-section-divider:hover::after {
            transform: translateX(-50%) rotate(225deg);
            box-shadow: 0 0 10px rgba(240, 93, 13, 0.6);
        }

        .services-section-title p {
            font-size: 1.1rem;
            color: #8a857e;
            margin-top: 16px;
            letter-spacing: 1px;
        }
        
        /* 桌面端：三列网格 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1px;
        }

        /* 每个图文组合模块 */
        .service-module {
            display: flex;
            flex-direction: column;
            border-radius: 2px;
            overflow: hidden;
            background: #fff;
            box-shadow: 0 2px 8px rgba(0,0,0,0.03);
            transition: box-shadow 0.3s ease;
        }

        /* 图片容器 - 使用 aspect-ratio 保持比例，自适应高度 */
        .service-module-image {
            width: 100%;
            aspect-ratio: 4/3;
            overflow: hidden;
            cursor: pointer;
            background: #eae5de;
            position: relative;
        }

        .service-module-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .service-module-image:hover img {
            transform: scale(1.08);
        }

        /* 文字容器 - 同样使用 aspect-ratio 保持与图片一致的比例 */
        .service-module-content {
            width: 100%;
            aspect-ratio: 4/3;
            padding: 30px 25px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: #f8f5f0;
            position: relative;
            overflow: visible;
            transition: color 0.5s ease;
            cursor: pointer;
        }

        /* 悬停背景扩散 */
        .service-module-content::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background-color: #F05D0D;
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: width 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                        height 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            z-index: 1;
        }

        .service-module-content:hover::before {
            width: 300%;
            height: 300%;
        }

        .service-module-content > * {
            position: relative;
            z-index: 2;
            transition: color 0.5s ease;
        }

        .service-module-content:hover .service-icon {
            background: rgba(255,255,255,0.2);
            color: #fff;
            transition: background 0.4s ease, color 0.4s ease;
        }

        .service-module-content:hover h3,
        .service-module-content:hover p {
            color: #fff;
        }

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 10px;
            background: #fef0e7;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            color: #F05D0D;
            transition: background 0.4s ease, color 0.4s ease;
        }

        .service-icon svg {
            width: 26px;
            height: 26px;
        }

        .service-module-content h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #1f1d1b;
            margin-bottom: 12px;
            line-height: 1.3;
            transition: color 0.4s ease;
        }

        .service-module-content p {
            font-size: 0.95rem;
            line-height: 1.6;
            color: #5a544d;
            margin-bottom: 0;
            max-width: 90%;
            transition: color 0.4s ease;
        }


        /* ========== What Customers Say 客户评价模块 ========== */
        .customers-section {
            max-width: 100%;
            background-color: #ffffff;
            padding: 70px 28px 80px;
            margin: 0;
        }

        .customers-container {
            max-width: 1380px;
            margin: 0 auto;
        }

        .customers-section-title {
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }

        .customers-section-title h2 {
            font-style:italic;
            font-size: 2.8rem;
            font-weight: 700;
            color: #1f1d1b;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 0;
            position: relative;
            display: inline-block;
        }

        /* 分隔线 */
        .customers-section-divider {
            width: 64px;
            height: 1px;
            background: linear-gradient(90deg, transparent, #F05D0D 20%, #F05D0D 80%, transparent);
            margin: 26px auto 0;
            position: relative;
        }

        .customers-section-divider::after {
            content: "";
            position: absolute;
            top: -3px;
            left: 50%;
            transform: translateX(-50%) rotate(45deg);
            width: 7px;
            height: 7px;
            background: #F05D0D;
            box-shadow: 0 0 6px rgba(240, 93, 13, 0.4);
            transition: transform 0.4s ease, box-shadow 0.4s ease;
        }

        .customers-section-divider:hover::after {
            transform: translateX(-50%) rotate(225deg);
            box-shadow: 0 0 10px rgba(240, 93, 13, 0.6);
        }

        .customers-section-title p {
            font-size: 1.1rem;
            color: #8a857e;
            margin-top: 16px;
            letter-spacing: 1px;
        }


        .customers-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        /* 客户评价卡片 */
        .customer-card {
            background: #ffffff;
            border: 1px solid #e5e0da;
            border-radius: 12px;
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            gap: 20px;
            transition: all 0.3s ease;
            box-shadow: 0 2px 8px rgba(0,0,0,0.04);
        }

        .customer-card:hover {
            box-shadow: 0 8px 24px rgba(0,0,0,0.1);
            transform: translateY(-4px);
            border-color: #d0c8be;
        }

        /* 第一行：客户信息和星级 */
        .customer-info-row {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 15px;
        }

        .customer-name-section {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .customer-name {
            font-size: 1.1rem;
            font-weight: 700;
            color: #1f1d1b;
            letter-spacing: 0.2px;
        }

        .verified-purchase {
            font-size: 0.85rem;
            color: #22c55e;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .verified-purchase svg {
            width: 14px;
            height: 14px;
            flex-shrink: 0;
        }

        .customer-stars {
            display: flex;
            gap: 2px;
            flex-shrink: 0;
        }

        .customer-stars svg {
            width: 18px;
            height: 18px;
            color: #fbbf24;
            fill: #fbbf24;
        }

        /* 第二行：产品型号 */
        .customer-product {
            font-size: 0.9rem;
            color: #8a857e;
            font-weight: 500;
            letter-spacing: 0.3px;
            padding-bottom: 5px;
            border-bottom: 1px solid #f0ede9;
        }

        /* 第三行：评价内容 */
        .customer-review {
            font-size: 0.95rem;
            line-height: 1.7;
            color: #4a453f;
            margin: 0;
            flex: 1;
        }

        /* 响应式调整 */
        @media screen and (max-width: 992px) {
            .customers-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media screen and (max-width: 576px) {
            .customers-section {
                padding: 50px 16px 60px;
            }
            .customers-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .customer-card {
                padding: 22px 18px;
                gap: 16px;
            }
        }

        /* 移动端/平板端：一行2个 */
        @media screen and (max-width: 992px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1px;
            }

            /* 设置每个模块在移动端的显示顺序 */
            .module-image-1 { order: 1; }
            .module-text-1 { order: 2; }
            .module-text-2 { order: 3; }
            .module-image-2 { order: 4; }
            .module-image-3 { order: 5; }
            .module-text-3 { order: 6; }

            /* 移动端保持相同的 aspect-ratio，确保一致性 */
            .service-module-image {
                aspect-ratio: 4/3;
            }
            .service-module-content {
                aspect-ratio: 4/3;
                padding: 20px 16px;
            }
            .service-icon {
                width: 40px;
                height: 40px;
                margin-bottom: 12px;
            }
            .service-icon svg {
                width: 20px;
                height: 20px;
            }
            .service-module-content h3 {
                font-size: 1.15rem;
            }
            .service-module-content p {
                font-size: 0.9rem;
            }
        }

        @media screen and (max-width: 576px) {
            .services-section {
                padding: 50px 16px 60px;
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1px;
            }
            /* 小屏幕调整比例为 1:1 或保持 4:3，根据实际效果选择 */
            .service-module-image {
                aspect-ratio: 1/1;
            }
            .service-module-content {
                aspect-ratio: 1/1;
                padding: 15px 14px;
            }
            .service-module-content h3 {
                font-size: 1rem;
            }
            .service-module-content p {
                font-size: 0.85rem;
            }
        }

        /* ========== 响应式 ========== */
        @media screen and (max-width: 1200px) {
            .about-us-grid { gap: 30px; }
        }

        @media screen and (max-width: 992px) {
            .about-us-section {
                padding: 50px 25px 60px;
            }
            .about-us-grid {
                flex-direction: column;
                text-align: center;
            }
            .about-content-side {
                align-items: center;
            }
            .about-contact-btn {
                align-self: center;
            }
            .about-title {
                font-size: 1.9rem;
            }
        }

        @media screen and (max-width: 768px) {
            .about-us-section {
                padding: 40px 16px 50px;
            }
            .about-us-grid {
                gap: 25px;
            }
            .about-title {
                font-size: 1.7rem;
            }
            .about-description {
                font-size: 1rem;
            }
        }