/* ===== 全局重置 ===== */
        * {
			margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary-blue: #0052a4;
			--primary-white: #ffffff;
            --primary-dark: #003d7a;
            --primary-light: #e8f0fe;
            --accent-orange: #f5a623;
            --accent-orange-dark: #e0941a;
            --bg-gray: #f5f7fa;
            --text-dark: #1a2332;
            --text-muted: #6b7a8f;
            --border-color: #e0e6ed;
            --shadow-sm: 0 2px 12px rgba(0, 82, 164, 0.08);
            --shadow-md: 0 4px 24px rgba(0, 82, 164, 0.12);
        }

        body {
            font-family: sans-serif;
            background-color: var(--bg-gray);
            color: var(--text-dark);
            line-height: 1.6;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--primary-blue);
        }
		.left  {float:left;}
		.right {float:right;}
        /* ===== 顶部工具栏 ===== */
        .top-bar {
            background: #0a1a2e;
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.85rem;
            padding: 6px 0;
            border-bottom: 2px solid var(--accent-orange);
        }
        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .top-bar .contact-info span {
            margin-right: 20px;
        }
        .top-bar .contact-info i {
            color: var(--accent-orange);
            margin-right: 4px;
        }
        .top-bar .user-actions a {
            color: rgba(255, 255, 255, 0.75);
            margin-left: 16px;
            font-size: 0.85rem;
        }
        .top-bar .user-actions a:hover {
            color: #fff;
        }
        .top-bar .user-actions .btn-login {
            background: var(--accent-orange);
            color: #fff;
            padding: 2px 16px;
            font-weight: 600;
            font-size: 0.8rem;
        }
        .top-bar .user-actions .btn-login:hover {
            background: var(--accent-orange-dark);
            color: #fff;
        }

        /* ===== 主导航 ===== */
        .main-nav {
            background: #fff;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            background: #0b1a2e;
            border-bottom: 2px solid  var(--border-color);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
        }
        .main-nav .navbar-brand {
            display: flex;
            align-items: center;
            font-weight: 700;
            font-size: 1.6rem;
            color: var(--primary-dark);
            letter-spacing: 1px;
        }
        .main-nav .navbar-brand .brand-icon {
            background: var(--primary-blue);
            color: #fff;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-right: 10px;
            transform: rotate(-4deg);
        }
        /* 方形 logo 图片（白色导航栏版本） */
        .main-nav .navbar-brand .brand-icon--img {
            background: #ffffff;
            transform: none;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.10);
        }
        .main-nav .navbar-brand .brand-icon--img .brand-icon-img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            display: block;
        }
        .main-nav .navbar-brand .brand-sub {
            font-size: 0.7rem;
            font-weight: 400;
            color: var(--text-muted);
            display: block;
            letter-spacing: 2px;
        }
        .main-nav .navbar-nav .nav-link {
            font-weight: 600;
            color: var(--text-dark);
            padding: 8px 18px;
            font-size: 1.1rem;
            position: relative;
            transition: 0.2s;
        }
        .main-nav .navbar-nav .nav-link:hover,
        .main-nav .navbar-nav .nav-link.active {
            color: var(--primary-blue);
        }
        .main-nav .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 3px;
            background: var(--accent-orange);
        }
		
		/* ===== 主导航（粘性 + 下拉菜单） ===== */
        .main-nav {
            background: #0b1a2e;
            border-bottom: 2px solid #1a3a5e;
            padding: 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
            position: sticky;
            top: 0;
            z-index: 1050;
        }
        .main-nav .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.80) !important;
            font-weight: 500;
            padding: 20px 22px;
            font-size: 16px;
            letter-spacing: 0.5px;
            transition: color 0.2s, background 0.2s;
            position: relative;
        }
        .main-nav .navbar-nav .nav-link:hover,
        .main-nav .navbar-nav .nav-link.active {
            color: #fff !important;
            background: rgba(255, 255, 255, 0.08);
        }
        .main-nav .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 22px;
            right: 22px;
            height: 3px;
            background: #f5a623;
            border-radius: 4px 4px 0 0;
        }

        /* ===== 下拉菜单：hover 触发 + 横向一行 + 满屏宽度 ===== */
        .main-nav .navbar-nav .dropdown {
            position: static;
        }
        .main-nav .dropdown .dropdown-menu {
            display: none;
            flex-wrap: nowrap;
            flex-direction: row;
            width: 100vw;
            left: 0 !important;
            right: 0 !important;
            bottom: auto !important;
            transform: none !important;
            padding: 20px 24px;
            background-color: rgba(15, 31, 53, 0.85);
			backdrop-filter: blur(12px);
			-webkit-backdrop-filter: blur(12px);
            border: none;
            border-top: 2px solid #f5a623;
            border-radius: 0;
            margin-top: 0 !important;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
            justify-content: center;
            align-items: center;
            gap: 6px;
            position: absolute !important;
            top: 100% !important;
            z-index: 1051;
            min-height: 52px;
            overflow-x: auto;
        }
        .main-nav .dropdown:hover .dropdown-menu,
        .main-nav .dropdown.show .dropdown-menu {
            display: flex !important;
        }
        .main-nav .dropdown-menu .dropdown-item {
            flex: 0 0 auto;
            padding: 8px 20px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            white-space: nowrap;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
            border: 1px solid transparent;
            margin: 0 2px;
        }
        .main-nav .dropdown-menu .dropdown-item:hover {
            background: rgba(255, 255, 255, 0.10);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.12);
        }
        .main-nav .dropdown-menu .dropdown-item i {
            width: 18px;
            color: #f5a623;
            margin-right: 4px;
        }
        .main-nav .dropdown-menu .dropdown-divider {
            border-color: rgba(255, 255, 255, 0.08);
            margin: 4px 10px;
            width: 1px;
            height: 28px;
            flex: 0 0 1px;
        }

        .main-nav .navbar-toggler {
            border-color: rgba(255, 255, 255, 0.25);
            padding: 8px 12px;
        }
        .main-nav .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .main-nav .dropdown-toggle::after {
            margin-left: 6px;
            vertical-align: middle;
            border-top-color: rgba(255, 255, 255, 0.6);
        }
		
		
		
		/* ===== 二维码弹出样式 ===== */
        .qr-wrapper {
            position: relative;
            display: inline-flex;
            flex-direction: column; /* 图标在上、常驻文案在下 */
            align-items: center;
            cursor: pointer;
        }
        .qr-wrapper .qr-icon {
            font-size: 32px;
            color: rgba(255, 255, 255, 0.85);
            transition: color 0.25s;
        }
        .qr-wrapper .qr-icon:hover {
            color: #fff;
        }
        /* 二维码缩略图标（真实图片） */
        .qr-wrapper .qr-icon.qr-icon--img {
            width: 72px;
            height: 72px;
            border-radius: 8px;
            background: #ffffff;
            padding: 4px;
            object-fit: contain;
            display: block;
            box-shadow: 0 3px 12px rgba(0, 0, 0, 0.18);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }
        .qr-wrapper .qr-icon.qr-icon--img:hover {
            transform: translateY(-2px) scale(1.04);
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.26);
        }
        /* 二维码图标下方的常驻文案（甲方要求：图标下放一句话） */
        .qr-wrapper .qr-caption {
            margin-top: 6px;
            font-size: 0.8rem;
            line-height: 1.4;
            letter-spacing: 1px;
            color: var(--primary-light);
            text-align: center;
            white-space: nowrap;
        }
        .qr-popup {
            position: absolute;
            top: calc(100% + 14px);
            right: 0;
            transform: translateY(6px);
            width: 160px;
            background: #ffffff;
            border-radius: 12px;
            padding: 16px 12px 14px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.30);
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.28s ease, transform 0.28s ease, visibility 0.28s;
            z-index: 999;
            text-align: center;
            pointer-events: none;
        }
        .qr-popup::before {
            content: '';
            position: absolute;
            top: -8px;
            right: 20px;
            transform: translateX(50%);
            border-left: 8px solid transparent;
            border-right: 8px solid transparent;
            border-bottom: 8px solid #ffffff;
        }
        .qr-wrapper:hover .qr-popup {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
            pointer-events: auto;
        }
        .qr-popup .qr-placeholder {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
        }
        .qr-popup .qr-placeholder .qr-svg {
            width: 100px;
            height: 100px;
            background: #1a1a2e;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 42px;
            margin: 0 auto;
        }
        /* 弹层内的真实二维码图片 */
        .qr-popup .qr-placeholder .qr-svg--img {
            width: 130px;
            height: 130px;
            background: #ffffff;
            padding: 0;
            overflow: hidden;
        }
        .qr-popup .qr-placeholder .qr-svg--img img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            display: block;
            border-radius: 6px;
        }
        .qr-popup .qr-placeholder .qr-label {
            font-size: 13px;
            color: #333;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-top: 2px;
        }
        .qr-popup .qr-placeholder .qr-sub {
            font-size: 11px;
            color: #999;
        }

        /* ===== Banner 内 logo 与二维码同行 ===== */
        /* 站内内容需高于左右对联广告(10000)，否则 logo / 二维码被遮挡 */
        .banner-box > .container {
            position: relative;
            z-index: 10050;
        }
        .banner-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            position: relative;
            z-index: 10050;
        }
        .banner-header .code-box {
            position: relative;
            z-index: 10051;
        }
		/* ===== 搜索框 + 频道下拉 ===== */
		
		.search-box{
			width: 100%;
		}
        .search-wrapper {
            display: flex;
            align-items: center;
            background: #fff;
            border-radius: 40px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            max-width: 720px;
            margin: 0 auto;
			padding:0 auto;
			height:50px;
            position: relative;
        }
        .search-wrapper .search-channel {
            border: none;
            background: #f5f7fa;
            padding: 12px 16px 12px 20px;
            font-size: 14px;
            color: #1a2a3a;
            font-weight: 500;
            outline: none;
            cursor: pointer;
            min-width: 110px;
            border-right: 1px solid #e0e5ec;
            border-radius: 40px 0 0 40px;
            appearance: auto;
        }
        .search-wrapper .search-channel:focus {
            background: #eef2f7;
        }
        .search-wrapper input {
            flex: 1;
            border: none;
            padding: 12px 18px;
            font-size: 15px;
            outline: none;
            min-width: 120px;
            background: #fff;
        }
        .search-wrapper input::placeholder {
            color: #9aa9b9;
        }
        .search-wrapper .btn-search {
            background: #f5a623;
            border: none;
            color: #fff;
            padding: 0px 30px;
            font-size: 18px;
            cursor: pointer;
            transition: background 0.25s;
            border-radius: 0 40px 40px 0;
			height:50px;
        }
        .search-wrapper .btn-search:hover {
            background: #d98e1a;
        }
 /* ===== 热门设备 - 筛选样式 ===== */
        .filter-section {
            margin-top: 24px;
        }
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 12px;
            margin-bottom: 16px;
            border-bottom: 2px solid #e8edf4;
            padding-bottom: 12px;
        }
        .filter-tab {
            background: transparent;
            border: none;
            padding: 8px 20px;
            font-size: 15px;
            font-weight: 500;
            color: #5a6a7a;
            cursor: pointer;
            border-radius: 30px;
            transition: all 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .filter-tab i {
            font-size: 16px;
        }
        .filter-tab:hover {
            color: #1a2a3a;
            background: #f0f4fa;
        }
        .filter-tab.active {
            color: #fff;
            background: #0b1a2e;
            box-shadow: 0 4px 12px rgba(11, 26, 46, 0.25);
        }
        .sub-filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 10px;
            margin-bottom: 20px;
            padding: 8px 0 4px;
        }
        .sub-filter-tab {
            background: transparent;
            border: 1px solid #dce2ea;
            padding: 6px 18px;
            font-size: 13px;
            color: #4a5a6a;
            cursor: pointer;
            border-radius: 20px;
            transition: all 0.2s;
        }
        .sub-filter-tab:hover {
            border-color: #b0b8c8;
            background: #f5f7fa;
        }
        .sub-filter-tab.active {
            background: #f5a623;
            border-color: #f5a623;
            color: #fff;
        }
        .equipment-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 18px;
        }
        .equip-card {
            background: #fff;
            border-radius: 12px;
            padding: 16px 14px 18px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            transition: transform 0.2s, box-shadow 0.2s;
            border: 1px solid #f0f2f5;
            text-align: center;
        }
        .equip-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.10);
        }
        .equip-card .card-icon {
            font-size: 32px;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 10px;
            color: #fff;
        }
        .equip-card .card-name {
            font-weight: 600;
            font-size: 15px;
            color: #1a2a3a;
            margin-bottom: 2px;
        }
        .equip-card .card-location {
            font-size: 12px;
            color: #8a9aaa;
            margin-bottom: 4px;
        }
        .equip-card .card-price {
            font-size: 17px;
            font-weight: 700;
            color: #e74c3c;
        }
        .equip-card .card-tag {
            display: inline-block;
            font-size: 10px;
            padding: 1px 12px;
            border-radius: 20px;
            background: #f5a623;
            color: #fff;
            font-weight: 500;
            margin-top: 4px;
        }
        .equip-card .card-tag.hot {
            background: #e74c3c;
        }
        .equip-card .card-tag.new {
            background: #2ecc71;
        }
        .equip-card .card-tag.sale {
            background: #3498db;
        }
        .equip-card .card-tag.recommend {
            background: #9b59b6;
        }
        .equip-card .card-tag.select {
            background: #1abc9c;
        }
		
	 /* ===== my new logo name ===== */
		.navbar-box{
			width:auto;      /* 原来写死 30%，logo/标题放大后副标题会被挤到换行 */
			display: flex;
            align-items: center;
            font-weight: 700;
            font-size: 1.6rem;
            color: var(--primary-dark);
            letter-spacing: 1px;
		}
		
		.navbar-box .brand-logo{
			background: var(--primary-white);
            color: #ffcc00;
            width: 64px;
            height: 64px;
            flex-shrink: 0; /* 标题变长时不许把方形 logo 压扁 */
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-right: 10px;
            transform: rotate(-4deg);
		}
		/* 方形 logo 图片（不旋转、留白、圆角） */
		.navbar-box .brand-logo--img{
			background: #ffffff;
			transform: none;
			border-radius: 10px;
			box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
			overflow: hidden;
		}
		.navbar-box .brand-logo--img .brand-logo-img{
			width: 100%;
			height: 100%;
			object-fit: contain;
			display: block;
		}
		.navbar-box .brand-name{
			align-items: center;
			font-weight: 700;
			font-size: 2.25rem;
			color: var(--primary-white);
			letter-spacing: 1px;
		}
		.navbar-box .brand-sub{
			font-size: 0.8rem;
            font-weight: 400;
            color: var(--primary-light);
            display: block;
            letter-spacing: 2px;
            white-space: nowrap; /* 放大后仍要保持一行，容器宽度已改为自适应 */
		}
		

        /* ===== Banner ===== */
        .banner-section, .z-banner-section {
            padding: 0;
            margin-top: 0;
        }
		.banner-box, .z-banner-box {
            background-size: cover;
            background-position: center;
			background-image:url("../images/banner.jpg")
		}
		.banner-box{
			height: 480px;
		}
		.z-banner-box{
			height: 265px;
		}

		/* ===== 面包屑 ===== */
        .breadcrumb-wrap {
            background: #fff;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .breadcrumb-wrap .breadcrumb {
            margin: 0;
            padding: 0;
            background: transparent;
            font-size: 0.9rem;
        }
        .breadcrumb-wrap .breadcrumb .breadcrumb-item a {
            color: var(--primary-blue);
        }
        .breadcrumb-wrap .breadcrumb .breadcrumb-item a:hover {
            color: var(--accent-orange);
        }
        .breadcrumb-wrap .breadcrumb .breadcrumb-item.active {
            color: var(--text-muted);
        }
        .breadcrumb-wrap .breadcrumb .breadcrumb-item+.breadcrumb-item::before {
            content: "›";
            color: var(--text-muted);
        }

        /* ===== 通用标题 ===== */
        .section-title {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--text-dark);
            position: relative;
            padding-bottom: 12px;
            margin-bottom: 28px;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--accent-orange);
        }
        .section-title .title-sub {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--text-muted);
            margin-left: 12px;
        }
        .section-title .title-link {
            float: right;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--primary-blue);
            padding-top: 6px;
        }
        .section-title .title-link:hover {
            color: var(--accent-orange);
        }
		 /* ===== 分页控件 ===== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 24px;
            gap: 6px;
            flex-wrap: wrap;
        }
        .pagination-wrap .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-dark);
            background: #fff;
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: 0.2s;
            font-family: inherit;
        }
        .pagination-wrap .page-btn:hover {
            background: var(--primary-light);
            border-color: var(--primary-blue);
            color: var(--primary-blue);
        }
        .pagination-wrap .page-btn.active {
            background: var(--primary-blue);
            color: #fff;
            border-color: var(--primary-blue);
        }
        .pagination-wrap .page-btn.disabled {
            opacity: 0.4;
            cursor: not-allowed;
            pointer-events: none;
        }
        .pagination-wrap .page-btn.arrow {
            min-width: 56px;
            font-weight: 500;
        }
        .pagination-wrap .page-btn.arrow i {
            font-size: 0.85rem;
        }
        .pagination-wrap .page-ellipsis {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            color: var(--text-muted);
            font-weight: 600;
            font-size: 0.95rem;
        }
        @media (max-width: 480px) {
            .pagination-wrap .page-btn {
                min-width: 34px;
                height: 34px;
                padding: 0 8px;
                font-size: 0.82rem;
            }
            .pagination-wrap .page-btn.arrow {
                min-width: 44px;
                font-size: 0.78rem;
            }
            .pagination-wrap .page-ellipsis {
                min-width: 34px;
                height: 34px;
                font-size: 0.82rem;
            }
        }
		 
		 /* ===== 底部 ===== */
        .footer {
            background: #0a1a2e;
            color: rgba(255, 255, 255, 0.7);
            padding-top: 50px;
            border-top: 4px solid var(--accent-orange);
        }
        .footer h5 {
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 16px;
        }
        .footer h5::after {
            content: '';
            display: block;
            width: 30px;
            height: 3px;
            background: var(--accent-orange);
            margin-top: 8px;
        }
        .footer a {
            color: rgba(255, 255, 255, 0.6);
            display: inline-block;
            margin-bottom: 6px;
            font-size: 0.9rem;
            transition: 0.2s;
        }
        .footer a:hover {
            color: #fff;
            transform: translateX(4px);
        }
        .footer .footer-contact p {
            margin-bottom: 4px;
            font-size: 0.9rem;
        }
        .footer .footer-contact i {
            color: var(--accent-orange);
            width: 22px;
        }
        .footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            margin-top: 30px;
            text-align: center;
            font-size: 0.85rem;
        }
        .footer .footer-bottom a {
            color: var(--accent-orange);
        }
        .footer .footer-bottom a:hover {
            color: #fff;
        }

        .friend-links {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 18px;
            margin-top: 24px;
        }
        .friend-links .friend-label {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            margin-right: 16px;
            white-space: nowrap;
        }
        .friend-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.85rem;
            margin-right: 20px;
            display: inline-block;
            margin-bottom: 4px;
        }
        .friend-links a:hover {
            color: #fff;
            transform: none;
        }



       

       

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .main-nav .navbar-nav .nav-link {
                padding: 12px 18px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            .main-nav .navbar-nav .nav-link.active::after {
                display: none;
            }
            .main-nav .dropdown .dropdown-menu {
                position: static !important;
                width: 100% !important;
                left: 0 !important;
                transform: none !important;
                background: transparent;
                border: none;
                box-shadow: none;
                padding: 0 0 0 20px;
                flex-wrap: wrap;
                flex-direction: row;
                gap: 2px;
                min-height: auto;
                overflow-x: visible;
                border-top: none;
            }
            .main-nav .dropdown:hover .dropdown-menu {
                display: none !important;
            }
            .main-nav .dropdown.show .dropdown-menu {
                display: flex !important;
            }
            .main-nav .dropdown-menu .dropdown-item {
                color: rgba(255, 255, 255, 0.70);
                padding: 6px 14px;
                font-size: 13px;
                border: none;
            }
            .main-nav .dropdown-menu .dropdown-item:hover {
                background: rgba(255, 255, 255, 0.05);
                border-color: transparent;
            }
            .main-nav .dropdown-menu .dropdown-divider {
                display: none;
            }
            .qr-popup {
                width: 140px;
                right: 0;
                transform: translateY(6px);
            }
            .qr-popup .qr-placeholder .qr-svg {
                width: 80px;
                height: 80px;
                font-size: 32px;
            }
            .qr-popup .qr-placeholder .qr-svg--img {
                width: 104px;
                height: 104px;
            }
            .qr-popup::before {
                right: 16px;
            }
            .banner-header .navbar-box .brand-name {
                font-size: 20px;
            }
            .banner-header .navbar-box .brand-name .brand-sub {
                font-size: 11px;
            }
            .banner-header .navbar-box .brand-logo {
                font-size: 30px;
            }
            .qr-wrapper .qr-icon {
                font-size: 26px;
            }
            .qr-wrapper .qr-icon.qr-icon--img {
                width: 46px;
                height: 46px;
                padding: 3px;
            }
            .search-wrapper {
                max-width: 100%;
                border-radius: 30px;
            }
            .search-wrapper .search-channel {
                min-width: 80px;
                padding: 10px 12px 10px 16px;
                font-size: 13px;
            }
            .search-wrapper input {
                padding: 10px 14px;
                font-size: 14px;
            }
            .search-wrapper .btn-search {
                padding: 10px 18px;
                font-size: 16px;
            }
            .equipment-grid {
                grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
                gap: 12px;
            }
        }
        @media (max-width: 575.98px) {
            .banner-header .navbar-box .brand-name {
                font-size: 16px;
            }
            .banner-header .navbar-box .brand-name .brand-sub {
                font-size: 10px;
            }
            .banner-header .navbar-box .brand-logo {
                font-size: 24px;
                margin-right: 8px;
            }
            .qr-wrapper .qr-icon {
                font-size: 22px;
            }
            .qr-wrapper .qr-icon.qr-icon--img {
                width: 40px;
                height: 40px;
                padding: 3px;
            }
            .qr-popup {
                width: 120px;
                padding: 12px 10px;
            }
            .qr-popup .qr-placeholder .qr-svg {
                width: 64px;
                height: 64px;
                font-size: 26px;
            }
            .qr-popup .qr-placeholder .qr-svg--img {
                width: 92px;
                height: 92px;
            }
            .qr-popup::before {
                right: 10px;
            }
            .ad-row-under-search .ad-placeholder {
                min-height: 60px;
                font-size: 12px;
            }
            .search-wrapper {
                border-radius: 24px;
            }
            .search-wrapper .search-channel {
                min-width: 60px;
                padding: 8px 8px 8px 12px;
                font-size: 12px;
            }
            .search-wrapper input {
                padding: 8px 10px;
                font-size: 13px;
                min-width: 80px;
            }
            .search-wrapper .btn-search {
                padding: 8px 14px;
                font-size: 14px;
            }
            .equipment-grid {
                grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
                gap: 10px;
            }
            .equip-card {
                padding: 12px 10px 14px;
            }
            .equip-card .card-icon {
                width: 44px;
                height: 44px;
                font-size: 22px;
            }
            .equip-card .card-name {
                font-size: 13px;
            }
            .equip-card .card-price {
                font-size: 14px;
            }
            .filter-tabs {
                gap: 4px 8px;
            }
            .filter-tab {
                padding: 6px 14px;
                font-size: 13px;
            }
            .sub-filter-tab {
                padding: 4px 12px;
                font-size: 12px;
            }
        }

       /* -------- 置顶按钮（原有） -------- */
        #backToTop {
            position: fixed;
            bottom: 40px;
            right: 30px;
            width: 52px;
            height: 52px;
            border: none;
            border-radius: 50%;
            background: linear-gradient(145deg, #f57c00, #e65100);
            color: #fff;
            font-size: 22px;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.4s, transform 0.3s, box-shadow 0.3s;
            box-shadow: 0 4px 20px rgba(229, 81, 0, 0.35);
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        #backToTop.show {
            opacity: 1;
            visibility: visible;
        }
        #backToTop:hover {
            transform: translateY(-4px) scale(1.05);
            box-shadow: 0 8px 30px rgba(229, 81, 0, 0.45);
        }
        #backToTop:active {
            transform: scale(0.92);
        }

        html {
            scroll-behavior: smooth;
        }
		
		/* ===== 首页搜索框下方广告位 ===== */
        /*.ad-row-under-search .ad-placeholder {
            min-height: 100px;
            background: linear-gradient(135deg, #f0f4fa, #dce4f0);
            border: none;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #6c7a89;
            font-size: 14px;
            gap: 8px;
            transition: transform 0.2s;
			border: 1px solid #f57c00;
        }
        .ad-row-under-search .ad-placeholder:hover {
            transform: translateY(0px);
        }
        .ad-row-under-search .ad-placeholder .ad-label {
            background: #e74c3c;
            color: #fff;
            font-size: 10px;
            padding: 2px 10px;
            border-radius: 20px;
            font-weight: 500;
        }
		*/
		.ad-row-under-search .ad-placeholder {
			position: relative;          /* 必须，用于内部绝对定位 */
			min-height: 100px;
			background: linear-gradient(135deg, #f0f4fa, #dce4f0);
			border: 1px solid #f57c00;
			border-radius: 8px;
			display: flex;
			align-items: center;
			justify-content: center;
			color: #6c7a89;
			font-size: 14px;
			gap: 8px;
			transition: transform 0.2s;
		}

		.ad-row-under-search .ad-placeholder .ad-label {
			position: absolute;
			top: 8px;
			right: 8px;
			background: rgba(0, 0, 0, 0.6);  /* 黑色透明背景 */
			color: #fff;                     /* 白色文字 */
			font-size: 11px;
			padding: 2px 12px;
			border-radius: 12px;
			font-weight: 500;
			line-height: 1.4;
			/* 移除原来红色背景、大小等属性 */
		}