/* ===== Banner 轮播 ===== */
        .banner {
            position: relative;
            height: 550px;
            overflow: hidden;
        }

        .banner-slides {
            display: flex;
            height: 100%;
            transition: transform 0.6s ease-in-out;
        }

        .banner-slide {
            min-width: 100%;
            height: 100%;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .banner-slide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
        }

        .banner-slide::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--gradient-banner);
        }

        .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            padding: 0 20px;
            max-width: 800px;
        }

        .banner-content h1, .banner-content h2 {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 20px;
            text-shadow: 0 2px 10px rgba(0,0,0,0.3);
            animation: fadeInUp 0.8s ease;
        }

        .banner-content p {
            font-size: 20px;
            margin-bottom: 30px;
            opacity: 0.9;
            animation: fadeInUp 1s ease 0.2s both;
        }

        .banner-btn {
            display: inline-block;
            padding: 14px 40px;
            background: var(--primary);
            color: var(--bg-white);
            font-size: 18px;
            font-weight: 600;
            border-radius: 50px;
            transition: all var(--transition);
            animation: fadeInUp 1s ease 0.4s both;
        }

        .banner-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.4);
        }

        .banner-dots {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 12px;
            z-index: 3;
        }

        .banner-dots span {
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.4);
            cursor: pointer;
            transition: all var(--transition);
        }

        .banner-dots span.active {
            background: var(--primary);
            transform: scale(1.2);
        }

        .banner-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 50px;
            height: 50px;
            background: rgba(255, 255, 255, 0.15);
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-white);
            font-size: 24px;
            cursor: pointer;
            z-index: 3;
            transition: all var(--transition);
            backdrop-filter: blur(4px);
        }

        .banner-arrow:hover {
            background: var(--primary);
            border-color: var(--primary);
        }

        .banner-arrow.prev {
            left: 30px;
        }

        .banner-arrow.next {
            right: 30px;
        }

        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* ===== 关于我们 - 简介 ===== */
        .about-section {
            padding: 80px 0;
            background: var(--bg-light);
        }

        .about-content {
            display: flex;
            gap: 60px;
            align-items: center;
        }

        .about-image {
            flex: 1;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .about-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            display: block;
            transition: transform 0.5s;
        }

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

        .about-text {
            flex: 1;
        }

        .about-text h3 {
            font-size: 28px;
            color: var(--dark);
            margin-bottom: 20px;
        }

        .about-text p {
            font-size: 16px;
            color: var(--text-light);
            margin-bottom: 20px;
            line-height: 1.8;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            line-clamp: 3;
            -webkit-box-orient: vertical;
        }

        .about-text .about-btn {
            display: inline-block;
            padding: 12px 35px;
            background: var(--dark);
            color: var(--bg-white);
            border-radius: 50px;
            font-weight: 500;
            transition: all var(--transition);
        }

        .about-text .about-btn:hover {
            background: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== 产品中心 ===== */
        .products-section {
            padding: 80px 0;
            background: var(--bg-white);
        }

        .product-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }

        .product-card {
            background: var(--bg-white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.4s;
            cursor: pointer;
        }

        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px var(--dark-10);
        }

        .product-card .product-img {
            height: 240px;
            overflow: hidden;
        }

        .product-card .product-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .product-card:hover .product-img img {
            transform: scale(1.1);
        }

        .product-card .product-info {
            padding: 20px;
            text-align: center;
        }

        .product-card .product-info h4 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .product-card .product-info p {
            font-size: 14px;
            color: var(--text-gray);
        }

        /* ===== 新闻中心 ===== */
        .news-section {
            padding: 80px 0;
            background: var(--bg-light);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .news-card {
            display: block;
            background: var(--bg-white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.4s;
            text-decoration: none;
            color: inherit;
        }

        .news-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 40px var(--dark-10);
        }

        .news-card .news-img {
            height: 220px;
            overflow: hidden;
        }

        .news-card .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .news-card:hover .news-img img {
            transform: scale(1.08);
        }

        .news-card .news-body {
            padding: 25px;
        }

        .news-card .news-date {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 10px;
        }

        .news-card .news-body h4 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .news-card:hover .news-body h4 { color: var(--primary); }

        .news-card .news-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .news-card .news-more {
            display: inline-block;
            margin-top: 15px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            transition: color var(--transition);
        }

        .news-card .news-more:hover {
            color: var(--primary-dark);
        }

        /* ===== 优势特色 ===== */
        .features-section {
            padding: 80px 0;
            background: var(--bg-dark-section);
            color: var(--bg-white);
        }

        .features-section .section-title h2 {
            color: var(--bg-white);
        }

        .features-section .section-title p {
            color: rgba(255, 255, 255, 0.6);
        }

        .features-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 30px;
        }

        .feature-item {
            text-align: center;
            padding: 40px 20px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            transition: all 0.4s;
            border: 1px solid rgba(255, 255, 255, 0.08);
            flex: 1 1 240px;
            max-width: 280px;
        }

        .feature-item:hover {
            background: var(--feature-hover-bg);
            border-color: var(--feature-hover-border);
            transform: translateY(-5px);
        }

        .feature-item .icon {
            font-size: 48px;
            margin-bottom: 20px;
        }

        .feature-item h4 {
            font-size: 20px;
            margin-bottom: 12px;
            text-align: center;
        }

        .feature-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            text-align: center;
        }

        /* ===== 联系我们 ===== */
        .contact-section {
            padding: 80px 0;
            background: var(--bg-white);
        }

        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .contact-info h3 {
            font-size: 24px;
            color: var(--dark);
            margin-bottom: 25px;
        }

        .contact-info-item {
            display: flex;
            gap: 15px;
            margin-bottom: 20px;
            align-items: flex-start;
        }

        .contact-info-item .ci-icon {
            width: 45px;
            height: 45px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .contact-info-item .ci-text h5 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .contact-info-item .ci-text p {
            font-size: 14px;
            color: var(--text-muted);
        }

        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid var(--border-light);
            border-radius: 8px;
            font-size: 15px;
            font-family: inherit;
            transition: border-color var(--transition);
            margin-bottom: 18px;
            outline: none;
        }

        .contact-form input:focus,
        .contact-form textarea:focus {
            border-color: var(--primary);
        }

        .contact-form textarea {
            height: 140px;
            resize: vertical;
        }

        .contact-form .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }

        .contact-form .submit-btn {
            padding: 14px 40px;
            background: var(--primary);
            color: var(--bg-white);
            border: none;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
        }

        .contact-form .submit-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.3);
        }

        /* ===== 响应式 - 页面特有 ===== */
        @media (max-width: 992px) {
            .product-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

            .about-content {
                flex-direction: column;
            }

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

            .banner {
                height: 400px;
            }

            .banner-content h1, .banner-content h2 {
                font-size: 32px;
            }

            .banner-content p {
                font-size: 16px;
            }
        }

        @media (max-width: 768px) {
            .product-grid {
                grid-template-columns: 1fr;
            }

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

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

            .banner {
                height: 350px;
            }

            .banner-content h1, .banner-content h2 {
                font-size: 26px;
            }

            .banner-arrow {
                width: 40px;
                height: 40px;
                font-size: 18px;
            }

            .banner-arrow.prev {
                left: 10px;
            }

            .banner-arrow.next {
                right: 10px;
            }

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

        /* ===== 漂浮联系按钮 ===== */
        .float-contact {
            position: fixed;
            right: 20px;
            bottom: 120px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .float-item {
            position: relative;
            width: 50px;
            height: 50px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 15px var(--float-shadow);
            transition: all var(--transition);
            text-decoration: none;
            color: var(--bg-white);
        }

        .float-item:hover {
            transform: translateX(-5px);
            background: var(--primary-dark);
            box-shadow: 0 6px 20px var(--float-shadow-hover);
        }

        .float-item .float-icon {
            font-size: 22px;
            line-height: 1;
            color: var(--bg-white);
        }

        /* 手机端点击反馈 */
        .float-item:active {
            transform: scale(0.92);
        }

        .qr-image {
            -webkit-touch-callout: default;
            touch-action: manipulation;
        }

        .float-item {
            z-index: 2;
        }

        /* 悬停桥 - 连接按钮和弹窗的不可见区域 */
        .float-item::before {
            content: '';
            position: absolute;
            top: -10px;
            right: 40px;      /* 从按钮右侧向左延伸 */
            width: 80px;      /* 覆盖按钮到弹窗之间的区域 */
            height: calc(100% + 20px);
            z-index: -1;
        }

        .float-item .float-popup {
            position: absolute;
            right: 70px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--bg-white);
            border-radius: 10px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
            padding: 15px 18px;
            min-width: 180px;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            pointer-events: none;
        }

        .float-item:hover .float-popup,
        .float-item .float-popup:hover {
            opacity: 1;
            visibility: visible;
            right: 72px;
            pointer-events: auto;
        }

        .float-popup::after {
            content: '';
            position: absolute;
            right: -8px;
            top: 50%;
            transform: translateY(-50%);
            border-left: 8px solid #fff;
            border-top: 8px solid transparent;
            border-bottom: 8px solid transparent;
        }

        .float-popup .popup-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .float-popup .popup-phone {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
        }

        .float-popup .popup-hint {
            font-size: 12px;
            color: var(--text-gray);
            margin-top: 4px;
        }

        .float-popup .popup-qr {
            text-align: center;
        }

        .float-popup .popup-qr img {
            width: 120px;
            height: 120px;
            display: block;
            margin: 0 auto 8px;
            border-radius: 6px;
            background: var(--bg-hover);
        }

        .float-popup .popup-qr span {
            font-size: 12px;
            color: var(--text-muted);
        }

        .float-backtop {
            margin-top: 10px;
            background: var(--dark-light);
            box-shadow: none;
        }

        .float-backtop:hover {
            background: var(--dark);
            transform: translateX(-3px);
            box-shadow: none;
        }
    
        .jw-modal-overlay {
            position: fixed;
            top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(0,0,0,0.45);
            backdrop-filter: blur(4px);
            z-index: 10000;
            display: flex;
            align-items: center;
            justify-content: center;
            animation: overlayIn 0.25s ease;
        }
        @keyframes overlayIn {
            from { opacity: 0; }
            to   { opacity: 1; }
        }

        .jw-modal-box {
            background: var(--bg-white);
            border-radius: 16px;
            padding: 0;
            width: 400px;
            max-width: 90vw;
            box-shadow: 0 25px 60px rgba(0,0,0,0.25);
            animation: modalPop 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
            overflow: hidden;
        }
        @keyframes modalPop {
            from { opacity: 0; transform: scale(0.85) translateY(30px); }
            to   { opacity: 1; transform: scale(1) translateY(0); }
        }

        .jw-modal-head {
            padding: 30px 32px 0;
            text-align: center;
        }
        .jw-modal-head .icon-wrap {
            width: 64px; height: 64px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            margin-bottom: 16px;
        }
        .jw-modal-head .icon-wrap.success {
            background: #e8f8ee; color: #2ecc71;
        }
        .jw-modal-head .icon-wrap.error {
            background: #fde8e8; color: #e74c3c;
        }

        .jw-modal-body {
            padding: 16px 32px 32px;
            text-align: center;
        }
        .jw-modal-body .msg-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .jw-modal-body .msg-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .jw-modal-foot {
            padding: 0 32px 32px;
            text-align: center;
        }
        .jw-modal-foot .jw-modal-btn {
            display: inline-block;
            padding: 11px 40px;
            background: var(--primary);
            color: var(--bg-white);
            border: none;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            min-width: 130px;
        }
        .jw-modal-foot .jw-modal-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.35);
        }