/* ============================================================
           全局重置与变量（各页面通用）
           ============================================================ */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --bg-body: #f4f9ff;
            --bg-card: #ffffff;
            --bg-header: rgba(255, 255, 255, 0.95);
            --bg-footer: #eef4fa;
            --primary: #0066ff;
            --primary-dark: #0044cc;
            --primary-glow: 0 0 20px rgba(0, 102, 255, 0.15);
            --primary-glow-strong: 0 0 30px rgba(0, 102, 255, 0.3);
            --text-dark: #0a1a2b;
            --text-body: #2a3f5e;
            --text-dim: #5e7a9a;
            --border-light: #d0e2f2;
            --transition: all 0.3s ease;
            --shadow-card: 0 8px 24px rgba(0, 80, 200, 0.08);
            --shadow-hover: 0 16px 40px rgba(0, 102, 255, 0.18), 0 0 0 1px rgba(0, 102, 255, 0.15);
        }

        body {
            font-family: 'Segoe UI', 'Roboto', system-ui, sans-serif;
            background-color: var(--bg-body);
            color: var(--text-body);
            line-height: 1.6;
            overflow-x: hidden;
            background-image: 
                linear-gradient(rgba(0, 102, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 102, 255, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        ul {
            list-style: none;
        }

        /* ============================================================
           中间区域宽度控制（各页面通用）
           ============================================================ */
        .container {
            max-width: 80%;
            margin: 0 auto;
            padding: 0 20px;
        }

        @media (max-width: 1440px) {
            .container {
                max-width: 90%;
            }
        }
		    @media (max-width: 768px) {
            .container {
                max-width: 96%;
            }
        }
  /* ========== 通用标题与按钮样式 ========== */
        .section-title {
            font-size: 1.8rem;
            margin-bottom: 1.8rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-left: 6px solid var(--primary);
            padding-left: 18px;
            color: var(--text-dark);
            letter-spacing: 0.5px;
        }

        .section-title span {
            color: var(--primary);
            font-weight: 700;
        }

        .more-link {
            font-size: 0.95rem;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            padding: 8px 22px;
            border-radius: 40px;
            background: transparent;
            transition: var(--transition);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 2px 8px rgba(0, 102, 255, 0.05);
        }

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

        .more-link:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--primary-glow-strong);
            transform: translateY(-2px);
        }

        .more-link:hover i {
            transform: translateX(5px);
        }
        /* ============================================================
           头部区域样式（各页面通用）
           ============================================================ */
        .site-header {
            background: var(--bg-header);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 102, 255, 0.15);
            position: sticky;
            top: 0;
            z-index: 999;
            padding: 12px 0;
            box-shadow: 0 4px 20px rgba(0, 80, 200, 0.06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            position: relative;
        }

        .logo {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo i {
            color: var(--primary);
            font-size: 2rem;
            filter: drop-shadow(0 0 10px rgba(0, 102, 255, 0.3));
        }

        .logo span {
            color: var(--primary);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            font-size: 1.8rem;
            color: var(--primary);
            padding: 5px 10px;
            transition: var(--transition);
            z-index: 1001;
        }

        .mobile-menu-toggle:hover {
            color: var(--primary-dark);
        }

        .main-nav {
            flex: 1;
            display: flex;
            justify-content: center;
        }

        .nav-list {
            display: flex;
            flex-wrap: wrap;
            gap: 5px;
        }

        .nav-item {
            position: relative;
            padding: 8px 0;
        }

        .nav-link {
            padding: 10px 18px;
            font-weight: 600;
            border-radius: 40px;
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
            color: var(--text-body);
            transition: var(--transition);
            border: 1px solid transparent;
            font-size: 0.95rem;
        }

        .nav-link i {
            font-size: 0.7rem;
            transition: transform 0.3s;
            color: var(--primary);
        }

        .nav-item:hover .nav-link {
            color: var(--primary-dark);
            background: rgba(0, 102, 255, 0.06);
            border-color: rgba(0, 102, 255, 0.2);
            box-shadow: 0 4px 12px rgba(0, 102, 255, 0.08);
        }

        .nav-item:hover .nav-link i {
            transform: rotate(180deg);
        }

        .sub-menu {
            position: absolute;
            top: 100%;
            left: 0;
            background: #ffffff;
            border: 1px solid rgba(0, 102, 255, 0.2);
            border-radius: 14px;
            min-width: 220px;
            padding: 10px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
            transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1);
            box-shadow: 0 20px 40px rgba(0, 80, 200, 0.15);
            z-index: 1000;
            backdrop-filter: blur(8px);
        }

        .nav-item:hover .sub-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .sub-menu li a {
            display: block;
            padding: 10px 24px;
            font-size: 0.9rem;
            color: var(--text-dim);
            transition: var(--transition);
            border-left: 3px solid transparent;
            font-weight: 500;
        }

        .sub-menu li a:hover {
            color: var(--primary-dark);
            background: rgba(0, 102, 255, 0.05);
            border-left-color: var(--primary);
            padding-left: 30px;
        }

        /* 右侧工具区：语言切换 + 搜索图标 */
        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* 语言切换下拉 */
        .lang-switch {
            position: relative;
            cursor: pointer;
            padding: 8px 16px;
            border-radius: 40px;
            background: rgba(0, 102, 255, 0.06);
            border: 1px solid rgba(0, 102, 255, 0.25);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .lang-switch:hover {
            background: rgba(0, 102, 255, 0.12);
            box-shadow: 0 0 15px rgba(0, 102, 255, 0.15);
            border-color: rgba(0, 102, 255, 0.5);
        }

        .lang-switch .current-lang {
            font-weight: 700;
            color: var(--primary-dark);
            font-size: 0.9rem;
        }

        .lang-switch .lang-arrow {
            font-size: 0.7rem;
            color: var(--primary);
            transition: transform 0.3s;
            padding: 5px;
        }

        .lang-switch.active .lang-arrow {
            transform: rotate(180deg);
        }

        .lang-dropdown {
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 10px;
            background: #ffffff;
            border: 1px solid rgba(0, 102, 255, 0.2);
            border-radius: 14px;
            min-width: 160px;
            padding: 8px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
            transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1);
            box-shadow: 0 20px 40px rgba(0, 80, 200, 0.15);
            z-index: 1000;
            backdrop-filter: blur(8px);
        }

        .lang-switch:hover .lang-dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .lang-switch.active .lang-dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .lang-dropdown li {
            padding: 10px 20px;
            font-size: 0.9rem;
            color: var(--text-dim);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
        }

        .lang-dropdown li:hover {
            color: var(--primary-dark);
            background: rgba(0, 102, 255, 0.05);
        }

        .lang-dropdown li i {
            font-size: 0.9rem;
            width: 20px;
            color: var(--primary);
        }

        /* ============================================================
           搜索图标与搜索弹窗样式
           ============================================================ */

        /* 搜索图标按钮 */
        .search-toggle {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(0, 102, 255, 0.06);
            border: 1px solid rgba(0, 102, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            color: var(--primary);
            font-size: 1rem;
        }

        .search-toggle:hover {
            background: rgba(0, 102, 255, 0.12);
            box-shadow: 0 0 15px rgba(0, 102, 255, 0.2);
            border-color: rgba(0, 102, 255, 0.5);
            transform: scale(1.05);
        }

        /* 搜索弹窗遮罩层 */
        .search-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(10, 26, 43, 0.5);
            backdrop-filter: blur(6px);
            z-index: 2000;
            display: flex;
            align-items: flex-start;
            justify-content: center;
            padding-top: 120px;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .search-modal.open {
            opacity: 1;
            visibility: visible;
        }

        /* 搜索弹窗内容 */
        .search-modal-box {
            width: 90%;
            max-width: 680px;
            background: #ffffff;
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 30px 60px rgba(0, 40, 120, 0.25);
            border: 1px solid rgba(0, 102, 255, 0.2);
            transform: translateY(-20px) scale(0.95);
            transition: all 0.35s cubic-bezier(0.2, 0.9, 0.4, 1);
            position: relative;
        }

        .search-modal.open .search-modal-box {
            transform: translateY(0) scale(1);
        }

        /* 关闭按钮 */
        .search-modal-close {
            position: absolute;
            top: 15px;
            right: 18px;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(0, 102, 255, 0.06);
            border: none;
            color: var(--primary);
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .search-modal-close:hover {
            background: rgba(0, 102, 255, 0.15);
            transform: rotate(90deg);
        }

        /* 弹窗标题 */
        .search-modal-title {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .search-modal-title i {
            color: var(--primary);
            font-size: 1.2rem;
        }

        /* 搜索表单 */
        .search-form {
            display: flex;
            gap: 10px;
            align-items: stretch;
        }

        /* 搜索输入框 */
        .search-input {
            flex: 1;
            padding: 14px 20px;
            border-radius: 40px;
            border: 1.5px solid rgba(0, 102, 255, 0.25);
            background: #f4f9ff;
            font-size: 0.95rem;
            color: var(--text-dark);
            outline: none;
            transition: var(--transition);
            font-family: inherit;
        }

        .search-input:focus {
            border-color: var(--primary);
            background: #ffffff;
            box-shadow: 0 0 20px rgba(0, 102, 255, 0.15);
        }

        .search-input::placeholder {
            color: var(--text-dim);
        }

        /* 搜索提交按钮 */
        .search-submit {
            padding: 14px 28px;
            border-radius: 40px;
            border: none;
            background: var(--primary);
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.5px;
            box-shadow: 0 8px 20px rgba(0, 102, 255, 0.25);
            font-family: inherit;
        }

        .search-submit:hover {
            background: var(--primary-dark);
            box-shadow: var(--primary-glow-strong);
            transform: translateY(-2px);
        }

        .search-submit:active {
            transform: translateY(0);
        }

        /* ========== 轮播区域（Swiper） ========== */
        .hero-swiper {
            margin-top: 30px;
            margin-bottom: 50px;
        }

        .swiper {
            width: 100%;
            height: 420px;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 80, 200, 0.12);
            border: 1px solid rgba(0, 102, 255, 0.1);
        }

        .swiper-slide {
            position: relative;
            overflow: hidden;
            background: #eaf2ff;
        }

        .swiper-slide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.6s ease;
        }

        .swiper-slide:hover img {
            transform: scale(1.03);
        }

        /* 轮播分页器样式定制 */
        .swiper-pagination-bullet {
            width: 10px;
            height: 10px;
            background: rgba(0, 102, 255, 0.3);
            opacity: 1;
            transition: var(--transition);
        }

        .swiper-pagination-bullet-active {
            background: var(--primary);
            width: 28px;
            border-radius: 10px;
            box-shadow: 0 0 15px rgba(0, 102, 255, 0.6);
        }

        /* 轮播导航按钮样式定制 */
        .swiper-button-next,
        .swiper-button-prev {
            color: var(--primary);
            background: rgba(255, 255, 255, 0.85);
            width: 44px;
            height: 44px;
            border-radius: 50%;
            backdrop-filter: blur(8px);
            border: 1px solid rgba(0, 102, 255, 0.2);
            transition: var(--transition);
        }

        .swiper-button-next:hover,
        .swiper-button-prev:hover {
            background: #ffffff;
            box-shadow: 0 0 20px rgba(0, 102, 255, 0.3);
            transform: scale(1.05);
        }

        .swiper-button-next::after,
        .swiper-button-prev::after {
            font-size: 1.1rem;
            font-weight: 700;
        }

        /* ========== 产品展示区域 ========== */
        .product-section {
            padding: 40px 0 20px;
        }

        .product-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-bottom: 15px;
        }

        /* 产品卡片：只显示图片和标题 */
        .product-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 20px;
            padding: 16px 16px 20px;
            transition: all 0.35s cubic-bezier(0.2, 0.9, 0.4, 1);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        /* 卡片顶部光条效果 */
        .product-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, transparent, var(--primary), #00ccff, transparent);
            opacity: 0;
            transition: opacity 0.4s;
        }

        .product-card:hover::before {
            opacity: 1;
        }

        .product-card:hover {
            transform: translateY(-8px) scale(1.01);
            border-color: rgba(0, 102, 255, 0.4);
            box-shadow: var(--shadow-hover);
            background: #ffffff;
        }

        /* 产品图片区域 */
        .product-img {
            width: 100%;
            height: 180px;
            background: #f0f7ff;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            border: 1px dashed rgba(0, 102, 255, 0.2);
            transition: var(--transition);
            overflow: hidden;
        }

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

        .product-card:hover .product-img {
            border-color: var(--primary);
            box-shadow: inset 0 0 30px rgba(0, 102, 255, 0.08);
            background: #eaf2ff;
        }

        .product-card:hover .product-img img {
            transform: scale(1.05);
        }

        /* 产品标题 */
        .product-name {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.4;
            transition: var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .product-card:hover .product-name {
            color: var(--primary-dark);
        }








        /* ============================================================
           底部区域样式（各页面通用）
           ============================================================ */
        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(0, 102, 255, 0.15);
            padding: 50px 0 25px;
            margin-top: 60px;
            color: var(--text-body);
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
            opacity: 0.5;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 40px;
            margin-bottom: 35px;
        }

        .footer-col h4 {
            color: var(--text-dark);
            font-size: 1.1rem;
            margin-bottom: 22px;
            position: relative;
            display: inline-block;
            letter-spacing: 0.5px;
            font-weight: 700;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -8px;
            width: 45px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
            box-shadow: 0 0 10px rgba(0, 102, 255, 0.4);
        }

        .footer-col ul li {
            margin-bottom: 14px;
        }

        .footer-col ul li a {
            color: var(--text-dim);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
        }

        .footer-col ul li a:hover {
            color: var(--primary-dark);
            transform: translateX(6px);
        }

        .footer-col ul li a i {
            font-size: 0.7rem;
            color: var(--primary);
            transition: transform 0.3s;
        }

        .footer-col ul li a:hover i {
            transform: translateX(3px);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid rgba(0, 102, 255, 0.1);
            font-size: 0.85rem;
            color: var(--text-dim);
            font-weight: 500;
        }

   /* ============================================================
           头部与底部 - 响应式样式（各页面通用）
           ============================================================ */
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
                order: 3;
            }

            .header-inner {
                flex-wrap: nowrap;
                align-items: center;
                gap: 8px;
            }

            .logo {
                font-size: 1.3rem;
                flex: 1;
            }

            .logo i {
                font-size: 1.6rem;
            }

            .main-nav {
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100vh;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                z-index: 1000;
                display: flex;
                justify-content: flex-start;
                align-items: flex-start;
                padding-top: 80px;
                padding-left: 20px;
                padding-right: 20px;
                overflow-y: auto;
                opacity: 0;
                visibility: hidden;
                transform: translateX(-100%);
                transition: all 0.35s cubic-bezier(0.2, 0.9, 0.4, 1);
                flex-direction: column;
            }

            .main-nav.open {
                opacity: 1;
                visibility: visible;
                transform: translateX(0);
            }

            .nav-list {
                flex-direction: column;
                width: 100%;
                gap: 0;
            }

            .nav-item {
                width: 100%;
                padding: 0;
                border-bottom: 1px solid rgba(0, 102, 255, 0.1);
            }

            .nav-link {
                padding: 16px 10px;
                font-size: 1rem;
                justify-content: space-between;
                border-radius: 0;
                border: none;
                width: 100%;
            }

            .nav-item:hover .nav-link {
                background: rgba(0, 102, 255, 0.04);
                border: none;
                box-shadow: none;
            }

            .sub-menu {
                position: static;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                background: rgba(0, 102, 255, 0.03);
                border: none;
                padding: 5px 0 5px 20px;
                display: none;
                min-width: auto;
                border-radius: 0;
                backdrop-filter: none;
            }

            .nav-item.open .sub-menu {
                display: block;
            }

            .nav-item .nav-link i {
                transition: transform 0.3s;
            }

            .nav-item.open .nav-link i {
                transform: rotate(180deg);
            }

            /* 移动端：右侧工具区调整 */
            .header-right {
                order: 2;
                position: static;
                gap: 8px;
            }

            .lang-switch {
                padding: 6px 10px;
                font-size: 0.8rem;
            }

            .lang-switch .current-lang {
                font-size: 0.8rem;
            }

            /* 移动端搜索图标保持显示，尺寸略小 */
            .search-toggle {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }

            /* 移动端语言下拉 - 使用active类控制 */
            .lang-switch:hover .lang-dropdown {
                opacity: 0;
                visibility: hidden;
                transform: translateY(12px);
            }

            .lang-switch.active .lang-dropdown {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }

            .nav-overlay {
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                background: rgba(0, 0, 0, 0.3);
                z-index: 999;
                opacity: 0;
                visibility: hidden;
                transition: all 0.35s ease;
            }

            .nav-overlay.active {
                opacity: 1;
                visibility: visible;
            }

            /* 搜索弹窗移动端适配 */
            .search-modal {
                padding-top: 80px;
            }

            .search-modal-box {
                padding: 24px 20px;
            }

            .search-modal-title {
                font-size: 1.1rem;
                margin-bottom: 16px;
            }

            .search-form {
                flex-direction: column;
                gap: 12px;
            }

            .search-input {
                padding: 12px 18px;
                font-size: 0.9rem;
            }

            .search-submit {
                padding: 12px 24px;
                justify-content: center;
                font-size: 0.9rem;
            }
			
			 .logo img {
               width:180px;
            }
        }

        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 25px;
            }

            .logo {
                font-size: 1.2rem;
            }

            .logo i {
                font-size: 1.4rem;
            }

            .header-right {
                position: static;
                margin-top: 0;
                gap: 6px;
            }

            .header-inner {
                align-items: center;
                gap: 6px;
            }

            .lang-switch {
                padding: 5px 8px;
                font-size: 0.75rem;
                gap: 4px;
            }

            .lang-switch .current-lang {
                font-size: 0.75rem;
            }

            .search-toggle {
                width: 34px;
                height: 34px;
                font-size: 0.85rem;
            }

            .mobile-menu-toggle {
                font-size: 1.5rem;
                padding: 5px 6px;
            }

            .search-modal {
                padding-top: 70px;
            }

            .search-modal-box {
                padding: 20px 16px;
                border-radius: 16px;
            }
        }
		
		
		
 /*产品列表页*/
 
 
 
        /* ============================================================
           中间区域样式 - 产品列表页（类名使用 pl- 前缀，避免与首页冲突）
           ============================================================ */

        /* ---------- 面包屑导航 ---------- */
        .pl-breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 25px 0 10px;
            font-size: 0.9rem;
            color: var(--text-dim);
            flex-wrap: wrap;
        }

        .pl-breadcrumb a {
            color: var(--text-dim);
            transition: var(--transition);
        }

        .pl-breadcrumb a:hover {
            color: var(--primary);
        }

        .pl-breadcrumb i {
            font-size: 0.7rem;
            color: var(--primary);
        }

        .pl-breadcrumb .pl-current {
            color: var(--primary-dark);
            font-weight: 600;
        }

        /* ---------- 页面标题区 ---------- */
        .pl-page-header {
            padding: 15px 0 25px;
            border-bottom: 1px solid rgba(0, 102, 255, 0.1);
            margin-bottom: 25px;
        }

        .pl-page-header h1 {
            font-size: 2rem;
            color: var(--text-dark);
            font-weight: 800;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .pl-page-header h1 i {
            color: var(--primary);
            font-size: 2.2rem;
            filter: drop-shadow(0 0 15px rgba(0, 102, 255, 0.3));
        }

        /* ---------- 子分类筛选区 ---------- */
        .pl-subcategory-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 35px;
            padding: 20px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 16px;
            box-shadow: var(--shadow-card);
        }

        .pl-subcategory-item {
            padding: 8px 22px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-body);
            background: rgba(0, 102, 255, 0.04);
            border: 1px solid rgba(0, 102, 255, 0.15);
            transition: var(--transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .pl-subcategory-item:hover {
            color: var(--primary-dark);
            background: rgba(0, 102, 255, 0.1);
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(0, 102, 255, 0.12);
        }

        .pl-subcategory-item.active {
            background: var(--primary);
            color: #ffffff;
            border-color: var(--primary);
            box-shadow: var(--primary-glow-strong);
        }

        .pl-subcategory-item.active:hover {
            color: #ffffff;
            background: var(--primary-dark);
        }

        /* ---------- 产品列表区 ---------- */
        .pl-product-section {
            padding: 0 0 40px;
        }

        .pl-product-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-bottom: 15px;
        }

        /* 产品卡片：只显示图片和标题 */
        .pl-product-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 20px;
            padding: 16px 16px 20px;
            transition: all 0.35s cubic-bezier(0.2, 0.9, 0.4, 1);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        /* 卡片顶部光条效果 */
        .pl-product-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, transparent, var(--primary), #00ccff, transparent);
            opacity: 0;
            transition: opacity 0.4s;
        }

        .pl-product-card:hover::before {
            opacity: 1;
        }

        .pl-product-card:hover {
            transform: translateY(-8px) scale(1.01);
            border-color: rgba(0, 102, 255, 0.4);
            box-shadow: var(--shadow-hover);
            background: #ffffff;
        }

        /* 产品图片区域 */
        .pl-product-img {
            width: 100%;
            height: 180px;
            background: #f0f7ff;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            border: 1px dashed rgba(0, 102, 255, 0.2);
            transition: var(--transition);
            overflow: hidden;
        }

        .pl-product-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.5s ease;
        }

        .pl-product-card:hover .pl-product-img {
            border-color: var(--primary);
            box-shadow: inset 0 0 30px rgba(0, 102, 255, 0.08);
            background: #eaf2ff;
        }

        .pl-product-card:hover .pl-product-img img {
            transform: scale(1.05);
        }

        /* 产品标题 */
        .pl-product-name {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.4;
            transition: var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .pl-product-card:hover .pl-product-name {
            color: var(--primary-dark);
        }

        /* ============================================================
           中间区域 - 响应式样式
           ============================================================ */

        /* 平板端（≤1200px） */
        @media (max-width: 1200px) {
            .pl-product-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 22px;
            }
        }

        /* 平板端（≤992px） */
        @media (max-width: 992px) {
            .pl-product-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }

            .pl-product-img {
                height: 150px;
            }

            .pl-page-header h1 {
                font-size: 1.7rem;
            }

            .pl-page-header h1 i {
                font-size: 1.9rem;
            }
        }

        /* 移动端（≤768px） */
        @media (max-width: 768px) {
            .pl-product-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 15px;
            }

            .pl-product-img {
                height: 130px;
            }

            .pl-product-name {
                font-size: 0.85rem;
            }

            .pl-page-header {
                padding: 10px 0 20px;
            }

            .pl-page-header h1 {
                font-size: 1.4rem;
                gap: 10px;
            }

            .pl-page-header h1 i {
                font-size: 1.6rem;
            }

            .pl-subcategory-bar {
                padding: 15px 16px;
                gap: 8px;
                margin-bottom: 25px;
            }

            .pl-subcategory-item {
                padding: 6px 16px;
                font-size: 0.8rem;
            }

            .pl-breadcrumb {
                font-size: 0.8rem;
                padding: 18px 0 8px;
            }
        }

        /* 小屏手机（≤576px） */
        @media (max-width: 576px) {
            .pl-product-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .pl-product-img {
                height: 180px;
            }

            .pl-page-header h1 {
                font-size: 1.25rem;
            }

            .pl-page-header h1 i {
                font-size: 1.4rem;
            }

            .pl-subcategory-item {
                padding: 5px 14px;
                font-size: 0.75rem;
            }
        }
		
		
		
		
		
		
		  /* ============================================================
           中间区域样式 - 产品详细页（类名使用 pd- 前缀）
           ============================================================ */

        /* ---------- 区域一：面包屑导航 ---------- */
        .pd-breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 25px 0 15px;
            font-size: 0.9rem;
            color: var(--text-dim);
            flex-wrap: wrap;
        }

        .pd-breadcrumb a {
            color: var(--text-dim);
            transition: var(--transition);
        }

        .pd-breadcrumb a:hover {
            color: var(--primary);
        }

        .pd-breadcrumb i {
            font-size: 0.7rem;
            color: var(--primary);
        }

        .pd-breadcrumb .pd-current {
            color: var(--primary-dark);
            font-weight: 600;
        }

        /* ---------- 区域二：产品主信息（左图右信息） ---------- */
        .pd-main-section {
            display: flex;
            gap: 50px;
            padding: 20px 0 50px;
            align-items: flex-start;
        }

        /* 左侧：多图展示区 - 固定占 50% */
        .pd-gallery {
            flex: 0 0 50%;
            max-width: 50%;
            width: 50%;
        }

        /* 右侧：产品信息 - 占剩余 50% */
        .pd-info {
            flex: 0 0 50%;
            max-width: 50%;
            width: 50%;
            display: flex;
            flex-direction: column;
            gap: 20px;
            padding-top: 10px;
        }

        /* ---------- 主图轮播（手写方案） ---------- */
        .pd-slider {
            position: relative;
            width: 100%;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            background: #f0f7ff;
            margin-bottom: 18px;
        }

        /* 主图显示区 */
        .pd-slider-main {
            position: relative;
            width: 100%;
            height: 450px;
            overflow: hidden;
        }

        /* 所有大图默认隐藏 */
        .pd-slider-main .pd-slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.4s ease, visibility 0.4s ease;
        }

        /* 当前激活的大图 */
        .pd-slider-main .pd-slide.active {
            opacity: 1;
            visibility: visible;
        }

        .pd-slider-main .pd-slide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        /* 主图左右切换按钮 */
        .pd-slider-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.9);
            border: 1px solid rgba(0, 102, 255, 0.3);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            z-index: 10;
            font-size: 1rem;
            backdrop-filter: blur(8px);
        }

        .pd-slider-arrow:hover {
            background: #ffffff;
            box-shadow: 0 0 20px rgba(0, 102, 255, 0.35);
            transform: translateY(-50%) scale(1.05);
        }

        .pd-slider-arrow.pd-arrow-prev {
            left: 15px;
        }

        .pd-slider-arrow.pd-arrow-next {
            right: 15px;
        }

        /* ---------- 缩略图轮播 ---------- */
        .pd-thumbs {
            display: flex;
            gap: 12px;
            padding: 5px 0;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .pd-thumbs::-webkit-scrollbar {
            display: none;
        }

        .pd-thumb {
            flex: 0 0 100px;
            width: 100px;
            height: 90px;
            border-radius: 12px;
            overflow: hidden;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.6;
            background: #f0f7ff;
        }

        .pd-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .pd-thumb.active {
            border-color: var(--primary);
            opacity: 1;
            box-shadow: 0 0 15px rgba(0, 102, 255, 0.3);
        }

        .pd-thumb:hover {
            opacity: 1;
            border-color: rgba(0, 102, 255, 0.5);
        }

        /* ---------- 右侧信息样式 ---------- */
        .pd-product-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.3;
            letter-spacing: 0.5px;
        }

        .pd-intro {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.8;
            padding: 15px 0;
            border-top: 1px solid rgba(0, 102, 255, 0.1);
            border-bottom: 1px solid rgba(0, 102, 255, 0.1);
        }

        /* 联系电话区 */
        .pd-contact {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 20px 24px;
            background: linear-gradient(135deg, rgba(0, 102, 255, 0.06), rgba(0, 204, 255, 0.06));
            border: 1px solid rgba(0, 102, 255, 0.2);
            border-radius: 16px;
            transition: var(--transition);
        }

        .pd-contact:hover {
            border-color: var(--primary);
            box-shadow: 0 8px 25px rgba(0, 102, 255, 0.15);
            transform: translateY(-2px);
        }

        .pd-contact-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
            box-shadow: 0 0 20px rgba(0, 102, 255, 0.4);
            animation: pd-pulse 2s infinite;
        }

        @keyframes pd-pulse {
            0%, 100% {
                box-shadow: 0 0 20px rgba(0, 102, 255, 0.4);
            }
            50% {
                box-shadow: 0 0 30px rgba(0, 102, 255, 0.7);
            }
        }

        .pd-contact-info {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .pd-contact-label {
            font-size: 0.85rem;
            color: var(--text-dim);
            font-weight: 600;
        }

        .pd-contact-phone {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 1px;
            transition: var(--transition);
        }

        .pd-contact-phone:hover {
            color: var(--primary-dark);
            text-shadow: 0 0 15px rgba(0, 102, 255, 0.4);
        }

        /* ---------- 区域三：产品介绍 ---------- */
        .pd-description-section {
            padding: 20px 0 40px;
            border-top: 1px solid rgba(0, 102, 255, 0.1);
        }

        .pd-section-heading {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 25px;
            display: flex;
            align-items: center;
            gap: 12px;
            border-left: 5px solid var(--primary);
            padding-left: 15px;
            letter-spacing: 0.5px;
        }

        .pd-section-heading i {
            color: var(--primary);
            font-size: 1.4rem;
        }

        .pd-description-content {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 20px;
            padding: 35px 40px;
            box-shadow: var(--shadow-card);
            font-size: 0.95rem;
            line-height: 1.9;
            color: var(--text-body);
        }

        .pd-description-content p {
            margin-bottom: 18px;
        }

        .pd-description-content p:last-child {
            margin-bottom: 0;
        }

        .pd-description-content h3 {
            font-size: 1.15rem;
            color: var(--text-dark);
            margin: 25px 0 12px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .pd-description-content h3 i {
            color: var(--primary);
            font-size: 0.9rem;
        }

        .pd-description-content h3:first-child {
            margin-top: 0;
        }

        .pd-description-content ul {
            list-style: none;
            padding-left: 5px;
            margin-bottom: 18px;
        }

        .pd-description-content ul li {
            padding: 6px 0 6px 24px;
            position: relative;
        }

        .pd-description-content ul li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 6px;
            color: var(--primary);
            font-size: 0.8rem;
        }

        /* ---------- 区域四：上一页 / 下一页 ---------- */
        .pd-product-nav {
            display: flex;
            justify-content: space-between;
            align-items: stretch;
            gap: 20px;
            padding: 40px 0;
            border-top: 1px solid rgba(0, 102, 255, 0.1);
        }

        .pd-nav-item {
            display: flex;
            align-items: center;
            gap: 15px;
            padding: 20px 26px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 16px;
            transition: var(--transition);
            flex: 1;
            box-shadow: var(--shadow-card);
            max-width: 48%;
        }

        .pd-nav-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            background: #ffffff;
        }

        .pd-nav-item i {
            font-size: 1.5rem;
            color: var(--primary);
            transition: transform 0.3s;
            flex-shrink: 0;
        }

        .pd-nav-item.pd-nav-prev:hover i {
            transform: translateX(-4px);
        }

        .pd-nav-item.pd-nav-next:hover i {
            transform: translateX(4px);
        }

        .pd-nav-text {
            display: flex;
            flex-direction: column;
            gap: 4px;
            overflow: hidden;
        }

        .pd-nav-label {
            font-size: 0.8rem;
            color: var(--text-dim);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .pd-nav-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-dark);
            transition: var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .pd-nav-item:hover .pd-nav-title {
            color: var(--primary-dark);
        }

        .pd-nav-item.pd-nav-next {
            flex-direction: row-reverse;
            text-align: right;
        }

        .pd-nav-item.pd-nav-next .pd-nav-text {
            align-items: flex-end;
        }

        /* ============================================================
           中间区域 - 响应式样式
           ============================================================ */
        @media (max-width: 1200px) {
            .pd-main-section {
                gap: 35px;
            }

            .pd-slider-main {
                height: 400px;
            }

            .pd-product-title {
                font-size: 1.5rem;
            }

            .pd-description-content {
                padding: 30px 32px;
            }
        }

        @media (max-width: 992px) {
            .pd-main-section {
                flex-direction: column;
                gap: 35px;
                padding: 20px 0 40px;
            }

            .pd-gallery {
                flex: 0 0 100%;
                max-width: 100%;
                width: 100%;
            }

            .pd-info {
                flex: 0 0 100%;
                max-width: 100%;
                width: 100%;
            }

            .pd-slider-main {
                height: 420px;
            }

            .pd-product-title {
                font-size: 1.5rem;
            }

            .pd-section-heading {
                font-size: 1.3rem;
            }

            .pd-description-content {
                padding: 25px 28px;
            }

            .pd-product-nav {
                flex-direction: column;
                gap: 15px;
            }

            .pd-nav-item {
                max-width: 100%;
            }

            .pd-nav-item.pd-nav-next {
                flex-direction: row;
                text-align: left;
            }

            .pd-nav-item.pd-nav-next .pd-nav-text {
                align-items: flex-start;
            }
        }

        @media (max-width: 768px) {
            .pd-slider-main {
                height: 320px;
            }

            .pd-thumb {
                flex: 0 0 80px;
                width: 80px;
                height: 70px;
            }

            .pd-product-title {
                font-size: 1.3rem;
            }

            .pd-intro {
                font-size: 0.9rem;
            }

            .pd-contact {
                padding: 15px 18px;
                gap: 14px;
            }

            .pd-contact-icon {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }

            .pd-contact-phone {
                font-size: 1.15rem;
            }

            .pd-section-heading {
                font-size: 1.15rem;
                padding-left: 12px;
            }

            .pd-description-content {
                padding: 20px 22px;
                font-size: 0.9rem;
            }

            .pd-description-content h3 {
                font-size: 1.05rem;
            }

            .pd-nav-item {
                padding: 14px 18px;
            }

            .pd-nav-item i {
                font-size: 1.2rem;
            }

            .pd-nav-title {
                font-size: 0.85rem;
            }

            .pd-breadcrumb {
                font-size: 0.8rem;
                padding: 18px 0 12px;
            }

            .pd-slider-arrow {
                width: 36px;
                height: 36px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 576px) {
            .pd-slider-main {
                height: 260px;
            }

            .pd-thumb {
                flex: 0 0 70px;
                width: 70px;
                height: 60px;
            }

            .pd-product-title {
                font-size: 1.15rem;
            }

            .pd-intro {
                font-size: 0.85rem;
            }

            .pd-contact {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }

            .pd-contact-phone {
                font-size: 1.05rem;
            }

            .pd-section-heading {
                font-size: 1.05rem;
            }

            .pd-description-content {
                padding: 16px 18px;
                font-size: 0.85rem;
            }

            .pd-nav-item {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
                gap: 10px;
            }

            .pd-nav-item.pd-nav-next {
                flex-direction: column;
                align-items: flex-end;
                text-align: right;
            }

            .pd-nav-item.pd-nav-next .pd-nav-text {
                align-items: flex-end;
            }
        }
        
        
        
        
        /*客服*/
        
        /* ============================================================
   右侧浮动在线客服 - 样式表
   类名前缀：fc-（Float Contact）
   ============================================================ */

/* ---------- 主容器：固定在右侧中间位置 ---------- */
.fc-float-contact {
    position: fixed;
    right: 20px;                      /* 距离右侧 20px */
    top: 50%;                         /* 垂直居中 */
    transform: translateY(-50%);      /* 修正垂直居中偏移 */
    z-index: 1500;                    /* 高于普通内容，低于搜索弹窗（2000） */
    display: flex;
    flex-direction: column;
    gap: 12px;                        /* 各项之间的间距 */
}

/* ---------- 每一项的通用样式 ---------- */
.fc-item {
    position: relative;
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: #ffffff;
    border: 1px solid rgba(0, 102, 255, 0.2);
    box-shadow: 0 8px 24px rgba(0, 80, 200, 0.15);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1);
    color: #0a1a2b;
    text-decoration: none;
    font-family: 'Segoe UI', 'Roboto', system-ui, sans-serif;
    overflow: visible;
}

/* 悬停：右移并放大 */
.fc-item:hover {
    transform: translateX(-6px) scale(1.05);
    box-shadow: 0 12px 32px rgba(0, 102, 255, 0.28);
    border-color: #0066ff;
}

/* ---------- 图标区（上方） ---------- */
.fc-icon {
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 3px;
    transition: transform 0.3s ease;
}

.fc-item:hover .fc-icon {
    transform: scale(1.1);
}

/* 图标内的 SVG 统一尺寸 */
.fc-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* 图标内的图片统一尺寸 */
.fc-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ---------- 文字标签（下方） ---------- */
.fc-label {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.2px;
    line-height: 1;
    color: #2a3f5e;
    transition: color 0.3s ease;
}

.fc-item:hover .fc-label {
    color: #ffffff;
}

/* ============================================================
   各项的独立配色
   ============================================================ */

/* ---------- Facebook ---------- */
.fc-facebook {
    background: linear-gradient(135deg, #1877f2 0%, #0d65d9 100%);
    border-color: #1877f2;
}
.fc-facebook .fc-icon svg {
    fill: #ffffff;
}
.fc-facebook .fc-label {
    color: #ffffff;
}
.fc-facebook:hover {
    background: linear-gradient(135deg, #0d65d9 0%, #0a52b3 100%);
    border-color: #0d65d9;
}
.fc-facebook:hover .fc-label {
    color: #ffffff;
}

/* ---------- Zalo ---------- */
.fc-zalo {
    padding: 6px;
    background: #ffffff;
}
.fc-zalo .fc-icon {
    width: 32px;
    height: 32px;
    margin-bottom: 2px;
}
.fc-zalo .fc-qr-img {
    border-radius: 6px;
    border: 1px solid rgba(0, 102, 255, 0.15);
}

/* Zalo 二维码弹出层（悬停时显示大图） */
.fc-qr-popup {
    position: absolute;
    right: 74px;                     /* 在按钮左侧弹出 */
    top: 50%;
    transform: translateY(-50%) scale(0.8);
    width: 220px;
    padding: 14px;
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid rgba(0, 102, 255, 0.25);
    box-shadow: 0 16px 40px rgba(0, 80, 200, 0.25);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.35s cubic-bezier(0.2, 0.9, 0.4, 1);
    z-index: 10;
}

/* 弹出层小三角箭头 */
.fc-qr-popup::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 14px;
    height: 14px;
    background: #ffffff;
    border-top: 1px solid rgba(0, 102, 255, 0.25);
    border-right: 1px solid rgba(0, 102, 255, 0.25);
}

/* 悬停时显示弹出层 */
.fc-zalo:hover .fc-qr-popup {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) scale(1);
}

.fc-qr-popup img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
}

.fc-qr-popup p {
    margin-top: 10px;
    text-align: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: #0066ff;
    letter-spacing: 0.3px;
}

/* ---------- 在线客服（东南亚女性头像） ---------- */
.fc-support {
    background: linear-gradient(135deg, #00c2ff 0%, #0066ff 100%);
    border-color: #00c2ff;
    padding: 0;
    overflow: visible;
}
.fc-support .fc-icon {
    width: 100%;
    height: 100%;
    margin: 0;
    border-radius: 16px;
    overflow: hidden;
}
.fc-support .fc-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px;
}
.fc-support .fc-label {
    position: absolute;
    bottom: -22px;
    left: 50%;
    transform: translateX(-50%);
    background: #0066ff;
    color: #ffffff;
    font-size: 0.6rem;
    padding: 2px 8px;
    border-radius: 10px;
    white-space: nowrap;
    opacity: 0;
    transition: all 0.3s ease;
}
.fc-support:hover .fc-label {
    opacity: 1;
    bottom: -26px;
}

/* 在线状态脉冲小圆点 */
.fc-online-dot {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 12px;
    height: 12px;
    background: #00e676;
    border: 2px solid #ffffff;
    border-radius: 50%;
    animation: fc-pulse 1.8s infinite;
}

@keyframes fc-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 230, 118, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 230, 118, 0);
    }
}

/* ---------- 返回顶部 ---------- */
.fc-backtop {
    background: #ffffff;
    border: 1.5px solid #0066ff;
    /* 默认隐藏，滚动后由 JS 显示 */
    opacity: 0;
    visibility: hidden;
    transform: translateX(80px);
    transition: all 0.35s cubic-bezier(0.2, 0.9, 0.4, 1);
}

/* 显示状态 */
.fc-backtop.fc-show {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.fc-backtop .fc-icon svg {
    fill: #0066ff;
}

.fc-backtop .fc-label {
    color: #0066ff;
}

.fc-backtop:hover {
    background: #0066ff;
    border-color: #0066ff;
}

.fc-backtop:hover .fc-icon svg {
    fill: #ffffff;
}

.fc-backtop:hover .fc-label {
    color: #ffffff;
}

/* 返回顶部图标特殊动画 */
.fc-backtop:hover .fc-icon {
    transform: translateY(-3px) scale(1.1);
}

/* ============================================================
   响应式适配
   ============================================================ */

/* 平板端（≤992px） */
@media (max-width: 992px) {
    .fc-float-contact {
        right: 14px;
        gap: 10px;
    }
    .fc-item {
        width: 54px;
        height: 54px;
        border-radius: 14px;
    }
    .fc-icon {
        width: 22px;
        height: 22px;
    }
    .fc-label {
        font-size: 0.6rem;
    }
    .fc-qr-popup {
        right: 68px;
        width: 200px;
    }
}

/* 移动端（≤768px） */
@media (max-width: 768px) {
    .fc-float-contact {
        right: 10px;
        gap: 8px;
    }
    .fc-item {
        width: 48px;
        height: 48px;
        border-radius: 12px;
    }
    .fc-icon {
        width: 20px;
        height: 20px;
        margin-bottom: 2px;
    }
    .fc-label {
        font-size: 0.55rem;
    }

    /* 移动端隐藏 Zalo 二维码弹出层，避免遮挡 */
    .fc-qr-popup {
        display: none;
    }

    /* 移动端客服标签常显 */
    .fc-support .fc-label {
        position: static;
        transform: none;
        opacity: 1;
        background: transparent;
        color: #ffffff;
        padding: 0;
        font-size: 0.55rem;
        margin-top: 2px;
    }
    .fc-support:hover .fc-label {
        bottom: auto;
    }

    /* 客服头像在移动端改为小图标样式 */
    .fc-support {
        background: linear-gradient(135deg, #00c2ff 0%, #0066ff 100%);
        flex-direction: column;
    }
    .fc-support .fc-icon {
        width: 100%;
        height: 100%;
        border-radius: 12px;
    }
}

/* 小屏手机（≤576px） */
@media (max-width: 576px) {
    .fc-float-contact {
        right: 8px;
        gap: 6px;
    }
    .fc-item {
        width: 44px;
        height: 44px;
        border-radius: 11px;
    }
    .fc-icon {
        width: 18px;
        height: 18px;
    }
    .fc-label {
        font-size: 0.5rem;
    }

    /* 小屏隐藏文字，只显示图标 */
    .fc-facebook .fc-label,
    .fc-zalo .fc-label,
    .fc-backtop .fc-label {
        display: none;
    }
    .fc-facebook .fc-icon,
    .fc-zalo .fc-icon,
    .fc-backtop .fc-icon {
        margin-bottom: 0;
    }
}