/**
 * 首页页面专属样式（轮播、内容区、页脚等）
 */
        /* 轮播图容*/
        .carousel-container {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
        }

        .carousel-slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 1s ease-in-out;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .carousel-slide.active {
            opacity: 1;
        }

        /* 轮播指示器 */
        .carousel-indicators {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 12px;
            z-index: 10;
        }

        .carousel-indicator {
            width: 40px;
            height: 4px;
            background: rgba(255, 255, 255, 0.5);
            border-radius: 2px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .carousel-indicator.active {
            background: var(--tech-blue);
            width: 60px;
        }

        .carousel-indicator:hover {
            background: rgba(255, 255, 255, 0.8);
        }

        /* 轮播箭头 */
        .carousel-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 50px;
            height: 50px;
            background: rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 10;
            transition: all 0.3s ease;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .carousel-arrow:hover {
            background: rgba(255, 255, 255, 0.5);
            transform: translateY(-50%) scale(1.1);
        }

        .carousel-arrow-left {
            left: 30px;
        }

        .carousel-arrow-right {
            right: 30px;
        }

        .carousel-arrow i {
            color: white;
            font-size: 20px;
        }

        .hero-content {
            position: relative;
            z-index: 5;
            text-align: center;
            padding: 2rem;
            animation: fadeIn 1s ease-out;
            width: 100%;
            max-width: 800px;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* 炫酷划入动画 */
        @keyframes slideInLeft {
            from {
                opacity: 0;
                transform: translateX(-100px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes slideInRight {
            from {
                opacity: 0;
                transform: translateX(100px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes slideInUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes scaleIn {
            from {
                opacity: 0;
                transform: scale(0.8);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        /* 轮播内容动画- 大气的动画特*/
        .carousel-content-1 .hero-title,
        .carousel-content-2 .hero-title,
        .carousel-content-3 .hero-title,
        .carousel-content-4 .hero-title,
        .carousel-content-5 .hero-title {
            animation: slideInLeft 1.5s ease-out 0.3s both;
        }

        .carousel-content-1 .hero-subtitle-en,
        .carousel-content-2 .hero-subtitle-en,
        .carousel-content-3 .hero-subtitle-en,
        .carousel-content-4 .hero-subtitle-en,
        .carousel-content-5 .hero-subtitle-en {
            animation: fadeIn 1.5s ease-out 0.8s both;
        }

        .carousel-content-1 .hero-subtitle,
        .carousel-content-2 .hero-subtitle,
        .carousel-content-3 .hero-subtitle,
        .carousel-content-4 .hero-subtitle,
        .carousel-content-5 .hero-subtitle {
            animation: slideInRight 1.5s ease-out 1.2s both;
        }

       

        /* 屏文字容器加科技蓝半透明背景 + 渐显划入动画 */
        .carousel-content-1,
        .carousel-content-3,
        .carousel-content-5 {
            background: rgba(8, 124, 255, 0.3);
            border-radius: 12px;
            padding: 2rem 4rem;
            animation: revealDown 0.7s ease-out forwards;
        }

        /* 屏内部文字延迟到容器动画结束后再执行 */
        .carousel-content-1 .hero-title,
        .carousel-content-3 .hero-title,
        .carousel-content-5 .hero-title {
            animation: slideInLeft 1.5s ease-out 0.8s both;
        }

        .carousel-content-1 .hero-subtitle-en,
        .carousel-content-3 .hero-subtitle-en,
        .carousel-content-5 .hero-subtitle-en {
            animation: fadeIn 1.5s ease-out 1.3s both;
        }

        .carousel-content-1 .hero-subtitle,
        .carousel-content-3 .hero-subtitle,
        .carousel-content-5 .hero-subtitle {
            animation: slideInRight 1.5s ease-out 1.7s both;
        }

        @keyframes revealDown {
            0% {
                clip-path: inset(0 0 100% 0);
                opacity: 0;
            }
            100% {
                clip-path: inset(0 0 0 0);
                opacity: 1;
            }
        }
        .hero-title {
            font-size: 1.8rem;
            font-weight: bold;
            color: white;
            margin-bottom: 1rem;
            letter-spacing: 2px;
            text-shadow: 2px 2px 8px rgba(5, 19, 103, 0.9);
            white-space: nowrap;
        }

        .hero-subtitle-en {
            font-size: 1.2rem;
            color: white;
            margin-bottom: 1rem;
            font-weight: 400;
            letter-spacing: 0.3em;
            text-transform: uppercase;
            text-shadow: 1px 1px 4px rgba(5, 19, 103, 0.9);
        }

        .hero-subtitle {
            font-size: 1.5rem;
            color: white;
            margin-bottom: 2rem;
            font-weight: 300;
            text-shadow: 1px 1px 4px rgba(5, 19, 103, 0.9);
        }

        .hero-buttons {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
        }

        .btn {
            padding: 1rem 2.5rem;
            border-radius: 4px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .btn-primary {
            background: var(--tech-blue);
            color: var(--white);
            border: none;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 125, 255, 0.3);
        }

        .btn-outline {
            background: var(--white);
            color: var(--tech-blue);
            border: 2px solid var(--tech-blue);
        }

        .btn-outline:hover {
            background: var(--tech-blue);
            color: var(--white);
        }

        .section {
            padding: 5rem 0;
            width: 100%;
        }

        .section-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 ;
        }

        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-title h2 {
            font-size: 2.5rem;
            color: var(--dark-gray);
            margin-bottom: 0.5rem;
            font-weight: bold;
        }

        .section-title p {
            font-size: 1rem;
            color: var(--medium-gray);
            letter-spacing: 2px;
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .product-card {
            display: block;
            text-decoration: none;
            color: inherit;
            background: var(--white);
            border-radius: 8px;
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            cursor: pointer;
        }

        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .product-image {
            width: 100%;
            height: 250px;
            object-fit: cover;
            background: var(--light-gray);
        }

        .product-info {
            padding: 1.5rem;
        }

        .product-title {
            font-size: 1.2rem;
            color: var(--dark-gray);
            margin-bottom: 0.5rem;
            font-weight: bold;
        }

        .product-desc {
            font-size: 0.9rem;
            color: var(--medium-gray);
            margin-bottom: 1rem;
            line-height: 1.5;
        }

        .product-tags {
            display: flex;
            gap: 0.5rem;
        }

        .tag {
            padding: 0.3rem 0.8rem;
            background: var(--light-gray);
            color: var(--tech-blue);
            border-radius: 4px;
            font-size: 0.8rem;
        }

        /* 北方华创风格页签模块 */
        .tabs-container {
            margin-top: 2rem;
        }

        .tabs-header {
            display: flex;
            justify-content: center;
            gap: 0;
            margin-bottom: 3rem;
            border-bottom: 2px solid rgba(0, 0, 0, 0.05);
            position: relative;
        }

        .tab-btn {
            padding: 1rem 3rem;
            background: none;
            border: none;
            font-size: 1.1rem;
            font-weight: 500;
            color: var(--medium-gray);
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            outline: none;
            white-space: nowrap;
        }

        .tab-btn:hover {
            color: var(--tech-blue);
        }

        .tab-btn.active {
            color: var(--tech-blue);
            font-weight: 600;
        }

        .tab-btn::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--tech-blue);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .tab-btn.active::after {
            transform: scaleX(1);
        }

        .tabs-content {
            position: relative;
        }

        .tab-panel {
            display: none;
            opacity: 0;
            transform: translateY(10px);
            transition: opacity 0.4s ease, transform 0.4s ease;
        }

        .tab-panel.active {
            display: block;
            opacity: 1;
            transform: translateY(0);
        }

        /* 解决方案卡片样式 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }

        .solution-card {
            background: var(--white);
            padding: 2.5rem;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }

        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            border-color: var(--tech-blue);
        }

        .solution-icon {
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 125, 255, 0.1);
            border-radius: 12px;
            margin-bottom: 1.5rem;
            transition: all 0.3s ease;
        }

        .solution-card:hover .solution-icon {
            background: var(--tech-blue);
            transform: scale(1.1);
        }

        .solution-icon i {
            font-size: 1.8rem;
            color: var(--tech-blue);
            transition: color 0.3s ease;
        }

        .solution-card:hover .solution-icon i {
            color: var(--white);
        }

        .solution-title {
            font-size: 1.3rem;
            color: var(--dark-gray);
            margin-bottom: 1rem;
            font-weight: bold;
        }

        .solution-desc {
            font-size: 0.95rem;
            color: var(--medium-gray);
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }

        .solution-link {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--tech-blue);
            font-size: 0.95rem;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .solution-link:hover {
            gap: 1rem;
        }

        .solution-link i {
            font-size: 0.8rem;
            transition: transform 0.3s ease;
        }

        .solution-link:hover i {
            transform: translateX(3px);
        }

        /* 公众号页签样*/
        .wechat-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }

        .wechat-card {
            background: var(--white);
            padding: 2.5rem;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }

        .wechat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            border-color: var(--tech-blue);
        }

        .wechat-qr {
            width: 150px;
            height: 150px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 125, 255, 0.1);
            border-radius: 12px;
            margin: 0 auto 1.5rem;
            transition: all 0.3s ease;
            overflow: hidden;
        }

        .wechat-card:hover .wechat-qr {
            background: var(--white);
            transform: scale(1.05);
            box-shadow: 0 5px 20px rgba(0, 125, 255, 0.2);
        }

        .wechat-qr-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 12px;
            transition: transform 0.3s ease;
        }

        .wechat-card:hover .wechat-qr-img {
            transform: scale(1.02);
        }

        .wechat-title {
            font-size: 1.3rem;
            color: var(--dark-gray);
            margin-bottom: 1rem;
            font-weight: bold;
            text-align: center;
        }

        .wechat-desc {
            font-size: 0.95rem;
            color: var(--medium-gray);
            line-height: 1.6;
            margin-bottom: 1.5rem;
            text-align: center;
        }

        .wechat-features {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .wechat-feature {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1rem;
            background: rgba(0, 125, 255, 0.1);
            color: var(--tech-blue);
            border-radius: 20px;
            font-size: 0.85rem;
        }

        .wechat-feature i {
            font-size: 0.9rem;
        }

        .wechat-articles {
            padding: 0;
        }

        .wechat-articles-title {
            font-size: 1.2rem;
            color: var(--dark-gray);
            margin-bottom: 1.5rem;
            font-weight: bold;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid rgba(0, 125, 255, 0.2);
        }

        .wechat-article-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1rem 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }

        .wechat-article-item:hover {
            background: rgba(0, 125, 255, 0.05);
            padding-left: 0.5rem;
        }

        .wechat-article-item:last-child {
            border-bottom: none;
        }

        .wechat-article-date {
            font-size: 0.85rem;
            color: var(--tech-blue);
            font-weight: 500;
            white-space: nowrap;
        }

        .wechat-article-title {
            font-size: 0.95rem;
            color: var(--dark-gray);
            text-decoration: none;
            transition: color 0.3s ease;
            line-height: 1.4;
        }

        .wechat-article-title:hover {
            color: var(--tech-blue);
        }

        /* 查看更多按钮样式 */
        .view-more-container {
            text-align: center;
            margin-top: 3rem;
            padding-top: 2rem;
        }

        .view-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 1rem 2.5rem;
            background: var(--white);
            color: var(--tech-blue);
            border: 2px solid var(--tech-blue);
            border-radius: 4px;
            font-size: 1rem;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .view-more-btn:hover {
            background: var(--tech-blue);
            color: var(--white);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 125, 255, 0.3);
        }

        .view-more-btn i {
            font-size: 0.9rem;
            transition: transform 0.3s ease;
        }

        .view-more-btn:hover i {
            transform: translateX(3px);
        }

        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }

        /* 核心优势模块背景图片 */
        #advantages {
            position: relative;
              padding: 4rem 0;
              max-width: 100%;
            width: 100%;
            background-image: url('../ad_bg.jpg');
            background-size: 100% 100%;
            background-position: center bottom;
            background-repeat: no-repeat;
            background-attachment: static;
            min-height: 500px;
        }

        .advantage-card {
            text-align: center;
            padding: 2rem;
            background: var(--white);
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .advantage-card:hover {
            transform: translateY(-5px);
        }

        .advantage-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--light-gray);
            border-radius: 50%;
            transition: all 0.3s ease;
        }

        .advantage-card:hover .advantage-icon {
            transform: scale(1.2);
            background: var(--tech-blue);
            color: var(--white);
        }

        .advantage-icon i {
            font-size: 2rem;
            color: var(--tech-blue);
            transition: color 0.3s ease;
        }

        .advantage-card:hover .advantage-icon i {
            color: var(--white);
        }

        .advantage-title {
            font-size: 1.2rem;
            color: var(--dark-gray);
            margin-bottom: 0.5rem;
            font-weight: bold;
        }

        .advantage-desc {
            font-size: 0.9rem;
            color: var(--medium-gray);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }

        .news-card {
            display: block;
            text-decoration: none;
            color: inherit;
            background: var(--white);
            border-radius: 8px;
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }

        .news-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: var(--light-gray);
        }

        .news-content {
            padding: 1.5rem;
        }

        .news-date {
            font-size: 0.8rem;
            color: var(--tech-blue);
            margin-bottom: 0.5rem;
        }

        .news-title {
            font-size: 1.1rem;
            color: var(--dark-gray);
            margin-bottom: 0.5rem;
            font-weight: bold;
            transition: color 0.3s ease;
        }

        .news-card:hover .news-title {
            color: var(--tech-blue);
        }

        .news-desc {
            font-size: 0.9rem;
            color: var(--medium-gray);
        }

        .data-section {
            background: var(--light-gray);
            padding: 4rem 0;
            width: 100%;
        }

        .data-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0;
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        .data-item {
            text-align: center;
        }

        .data-number {
            font-size: 3rem;
            color: var(--tech-blue);
            font-weight: bold;
            margin-bottom: 0.5rem;
        }

        .data-label {
            font-size: 1rem;
            color: var(--medium-gray);
        }

        .contact-section {
            padding: 5rem 0;
            width: 100%;
            background: url('bg.jpg') center / cover no-repeat;
            background-attachment: scroll;
        }

        .contact-content-wrapper {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 ;
        }

        .contact-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
        }

        .contact-info h3 {
            font-size: 1.5rem;
            color: var(--dark-gray);
            margin-bottom: 1.5rem;
            font-weight: bold;
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .contact-item i {
            font-size: 1.2rem;
            color: var(--tech-blue);
            margin-top: 0.2rem;
        }

        .contact-item-text h4 {
            font-size: 1rem;
            color: var(--dark-gray);
            margin-bottom: 0.3rem;
        }

        .contact-item-text p {
            font-size: 0.9rem;
            color: var(--medium-gray);
        }

        /* ========== 扫一扫关注我们 ========== */
        .contact-qr {
            background: rgba(255, 255, 255, 0.05);
            padding: 2.5rem 2rem;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1), 0 2px 8px rgba(0, 0, 0, 0.06);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .contact-qr h3 {
            font-size: 1.5rem;
            color: var(--dark-gray);
            margin-bottom: 0.4rem;
            font-weight: 700;
            letter-spacing: 2px;
        }

        .qr-subtitle {
            font-size: 0.9rem;
            color: var(--medium-gray);
            margin-bottom: 2rem;
            letter-spacing: 1px;
        }

        .qr-cards {
            display: flex;
            justify-content: center;
            gap: 3rem;
            margin-bottom: 1.5rem;
        }

        .qr-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.8rem;
        }

        .qr-card span {
            font-size: 0.9rem;
            color: var(--dark-gray);
            font-weight: 500;
            letter-spacing: 1px;
        }

        .qr-img-box {
            position: relative;
            width: 140px;
            height: 140px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .qr-img-placeholder {
            width: 120px;
            height: 120px;
            background: var(--white);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            z-index: 2;
            transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }

        .qr-img-placeholder:hover {
            transform: scale(1.08);
        }

        .qr-ring {
            position: absolute;
            top: 0;
            left: 0;
            width: 140px;
            height: 140px;
            border-radius: 16px;
            border: 2px solid rgba(0, 99, 190, 0.15);
            animation: ringPulse 2s ease-in-out infinite;
        }

        @keyframes ringPulse {
            0%, 100% {
                transform: scale(1);
                opacity: 0.3;
                border-color: rgba(0, 99, 190, 0.15);
            }
            50% {
                transform: scale(1.08);
                opacity: 0.8;
                border-color: rgba(0, 99, 190, 0.5);
            }
        }

        .qr-hint {
            font-size: 0.8rem;
            color: var(--medium-gray);
            letter-spacing: 1px;
        }
        footer {
            background: var(--dark-gray);
            color: var(--white);
            padding: 0;
            width: 100%;
            height: 48px;
        }

        .footer-content-wrapper {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0;
            height: 48px;
        }

        .footer-copyright {
            text-align: center;
            font-size: 0.9rem;
            line-height: 48px;
            height: 48px;
        }

        @media (max-width: 1200px) {
            .products-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {   
            nav {
                background: white;
                border-bottom: 1px solid rgba(0, 0, 0, 0.05);
                transform-origin: top center;
            }
           .logo-img{ width: 265px; margin-left: 0px;}
            .nav-links {
                display: none;
            }

            .nav-tools {
                display: none;
            }

            .mobile-menu-toggle {
                display: block;
                margin-right: 0px;
             right: -17px;
            }

            .mobile-nav-panel {
                display: block;
            }
            .section,
            .contact-section,
            footer {
                padding-left: 5%;
                padding-right: 5%;
            }

            .section-content,
            .banner-content,
            .contact-content-wrapper {
                padding-left: 5%;
                padding-right: 5%;
            }

            nav.scrolled {
                height: 70px;
            }

            /* 轮播图移动端适配 */
            .hero {
                min-height: 400px;
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .carousel-slide {
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .hero-content {
                position: relative;
                top: 30px;
                transform: none;
            }

            .carousel-arrow {
                display: none;
            }

            .carousel-indicators {
                bottom: 20px;
            }

            .carousel-indicator {
                width: 30px;
                height: 3px;
            }

            .carousel-indicator.active {
                width: 45px;
            }

            .hero-title {
                font-size: 1.25rem;
                white-space: nowrap;
            }

            .hero-subtitle-en {
                font-size: 0.7rem;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .hero-buttons {
                flex-direction: column;
                gap: 1rem;
            }

            .btn {
                padding: 0.8rem 2rem;
                font-size: 0.9rem;
            }

            .tab-btn {
                padding: 0.8rem 1.5rem;
                font-size: 0.73rem;
            }

            /* 核心优势模块移动端背景适配 */
            #advantages {
                background-size: cover;
                background-position: center bottom;
                min-height: 400px;
                padding: 3rem 0;
                width: 100%;
            }

            .products-grid {
                grid-template-columns: 1fr;
            }

            .solutions-grid {
                grid-template-columns: 1fr;
            }

            .news-grid {
                grid-template-columns: 1fr;
            }

            .wechat-grid {
                grid-template-columns: 1fr;
            }

            .advantages-grid {
                grid-template-columns: 1fr;
            }

            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .contact-section {
                height: 100%;
                background-size: cover;
            }

            .contact-content {
                grid-template-columns: 1fr;
            }

            .footer-copyright {
                text-align: center;
            }
        }