@charset "utf-8";
/* CSS Document */
/* ===== 全局重置 & 基础 ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            transition: background-color 0.6s ease, color 0.6s ease;
            background-color: #fff;
            color: #1e293b;
            line-height: 1.6;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        ul {
            list-style: none;
        }





        
        /* ===== 轮播图 ===== */
        .banner {
            position: relative;
            height: 915px;
            border-radius: 0px;
            overflow: hidden;
            margin: 0px;
            box-shadow: var(--card-shadow);
            transition: box-shadow 0.5s ease;
        }

        .banner-slides {
            display: flex;
            width: 300%;
            height: 100%;
            transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.14);
        }

        .banner-slide {
            flex: 1;
            position: relative;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .banner-slide::before {
            content: '';
            position: absolute;
            inset: 0;
            background: var(--banner-overlay);
            transition: background 0.6s ease;
            z-index: 1;
        }

        .banner-slide .content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            text-align: center;
            color: #fff;
            animation: fadeUp 0.8s ease;
            padding: 20px;
        }
        .banner-slide h2 {
            font-size: 3.2rem;
            font-weight: 400;
            letter-spacing: 5px;
            margin-bottom: 5px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
.banner-slide h3 {
            font-size: 3.2rem;
            font-weight: 400;
            letter-spacing: 15px;
            margin-bottom: 20px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .banner-slide p {
            font-size: 1.2rem;
            opacity: 0.92;
			letter-spacing: 10px;
            margin-bottom: 10px;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.10);
        }
        .banner-slide .btn {
            display: inline-block;
            padding: 12px 36px;
            border-radius: 60px;
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            font-size: 1rem;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }
        .banner-slide .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 32px rgba(0, 0, 0, 0.18);
        }

        @keyframes fadeUp {
            0% {
                opacity: 0;
                transform: translateY(30px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .banner-dots {
            position: absolute;
            bottom: 28px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 5;
            display: flex;
            gap: 12px;
        }
        .banner-dots span {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.40);
            cursor: pointer;
            transition: all 0.4s ease;
            border: 2px solid transparent;
        }
        .banner-dots span.active {
            background: #fff;
            transform: scale(1.25);
            border-color: rgba(255, 255, 255, 0.3);
        }

        /* ===== 通用标题 ===== */
        .section-title {
            text-align: center;
            font-size: 2.4rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            color: #0f172a;
            transition: color 0.5s ease;
        }
		.section-title2 {
            text-align: left;
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 5px;
            color: #fff;
            transition: color 0.5s ease;
        }
        .section-sub {
            text-align: center;
            color: #64748b;
            max-width: 1000px;
            margin: 0 auto 48px auto;
            font-size: 1.1rem;
        }
        .section-sub2 {
            text-align: center;
            color: var(--primary);
            max-width: 800px;
            margin: 38px auto 28px auto;
            font-size: 1.3rem;
			font-weight: 700;
        }

        /* ===== 关于我们 ===== */
        .about {
            padding: 120px 40px 0px 40px;
            background:#fff;
            transition: background 0.6s ease;
        }
        .about-grid {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 60px;
            flex-wrap: wrap;
        }
        .about-text {
            flex: 1 1 32%;
            min-width: 280px;
            padding: 23px 30px;
            height: 400px;
			background-size: 350px 260px;
            background-image: url("../images/txt.png");
            background-repeat: no-repeat;
        }
        .about-text h3 {
            font-size: 2.4rem;
            font-weight: 700;
            margin: 10px 0px 20px 0px;
            color: var(--primary);
            transition: color 0.5s ease;
        }
        .about-text p {
			ccolor: #334155;
            font-size: 1.1rem;
            margin-bottom: 16px;
        }

        .about-list {
            flex: 1 1 62%;
            min-width: 480px;
            height: 400px;
            padding: 0px 28px;
            transition: background 0.6s ease;
      
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .about-list P {
            ccolor: #334155;
            font-size: 1.5rem;
            margin-top: 20px;
        }
        .about-list-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: #0f172a;
            font-weight: 450;
        }
        .about-list-item .check-box {
            width: 24px;
            height: 24px;
            background: var(--primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: background 0.6s ease;
        }
        .about-list-item .check-box img {
            width: 18px;
            height: 18px;
        }

        /* ===== 产品 Tab ===== */
        .products {
            padding: 30px 0 60px;
            background: #f7f7f7;
            transition: background 0.6s ease;
        }
        .products .container {
            max-width: 1300px;
        }

        .tab-bar {
            display: flex;
			width: 100%;
            align-items: center;
            justify-content: left;
            flex-wrap: wrap;
            gap: 0;
            
            border-radius: 12px;
            padding: 10px 0px;
            margin-bottom: 10px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.02);
            transition: background 0.5s ease;
        }

        .tab-group {
            display: flex;
			width: 22.5%;
            align-items: flex-start;
            gap: 6px;
            padding: 0 6px;
        }

        .tab-divider {
            color: #cbd5e1;
            font-weight: 300;
            font-size: 1.6rem;
            padding: 0 8px;
            user-select: none;
        }

        .tab-btn {
            width: 100%;
            border: none;
            background: transparent;
            padding: 10px 20px;
            border-radius: 0;
            display: flex;
            flex-direction: column;
           
			align-items: flex-start;
            justify-content: center;
            gap: 2px;
            font-weight: 600;
            color: #475569;
            transition: all 0.3s ease;
            cursor: pointer;
            min-width: 80px;
            border-bottom: 3px solid transparent;
            font-family: inherit;
            line-height: 1.2rem;
			cursor: default;
        }
        .tab-btn .main-text {
            font-size: 0.85rem;
			line-height: 1.8rem;
            letter-spacing: 0.5px;
			font-weight: 400;
			
        }
        .tab-btn .icon-text img {
            margin-top: 5px;
            height: 32px;
            width: auto;
        }
        .tab-btn .sub-text {
            font-size: 0.7rem;
            opacity: 0.7;
            font-weight: 400;
			cursor: pointer;
        }
         .tab-btn .sub-text:hover {
            opacity: 1;
            text-decoration: underline;
        }
        .tab-btn:hover {
            color: var(--primary);
            background: rgba(255,255,255,0.3);
        }
        .tab-btn.active {
            background: var(--primary);
            color: #fff;
            border-bottom-color: var(--primary-dark);
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
			font-weight: 400;
        }
        .tab-btn.active .sub-text {
            opacity: 0.9;
        }

        .global-switch-icon {
            font-size: 1.0rem;
            color: #0f172a;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 8px;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin: 0 14px;
            font-weight: 400;
        }
		.global-switch-icon img{
                height: 45px;
            }
        .global-switch-icon:hover {
            color: var(--primary);
            background: rgba(255,255,255,0.7);
            transform: scale(1.1);
        }

        .logo-placeholder {
            margin-left: 2px;
            padding: 6px;
            border-radius: 8px;
        
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 10px;
            
            transition: all 0.5s ease;
            min-width: 180px;
            justify-content: center;
        }
        .logo-placeholder img {
            height: 85px;
            width: auto;
        }

        /* ===== 产品展示区 ===== */
        .product-display {
            position: relative;
            background: #fff;
            border-radius: 0px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0,0,0,0.05);
            transition: box-shadow 0.5s ease;
            margin-top: 12px;
            min-height: 420px;
        }




        /* A区：大图展示区 */
        .product-image-area {
            width: 100%;
            min-height: 380px;
			height: 585px;
            background: #e9edf2;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            position: relative;
        }
        .product-image-area img {
            width: 100%;
            min-height: 380px;
			height: 585px;
            object-fit: cover;
            display: block;
            transition: all 0.4s ease;
        }
        .product-image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 30px 40px 24px;
            background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, transparent 100%);
            color: #fff;
            text-align: left;
            pointer-events: none;
        }
        .product-image-overlay .main-label {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 4px;
            text-shadow: 0 2px 12px rgba(0,0,0,0.3);
        }



        .product-image-overlay .main-desc {
            display: inline-block;
			padding: 3px 20px;
            font-size: 0,85rem;
            opacity: 0.92;
			border-radius: 60px;
			border: 1px solid #fff;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
            color: #fff;
            text-decoration: none;
            pointer-events: auto;
            cursor: pointer;
            transition: opacity 0.3s;
			
        }

        .product-image-overlay .main-desc:hover {
            opacity: 1;
            text-decoration: underline;
        }

        /* B区：深蓝色文字区域 */
        .product-features-area {
            width: 100%;
			height: 320px;
            background: #082b41;
            padding: 32px 40px;
            color: #e2e8f0;
        }
        .product-features-grid {
            display: grid;
			width: 80%;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 28px 32px;
        }
        .feature-card {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .feature-card .feature-header {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feature-card .feature-icon-box {
            width: 28px;
            height: 28px;
            min-width: 28px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 8px rgba(0,0,0,0.15);
            transition: background 0.6s ease, box-shadow 0.6s ease;
            border: none;
        }
        .feature-card .feature-icon-box img {
            width: 24px;
            height: 24px;
            object-fit: contain;
            filter: brightness(0) saturate(100%) invert(100%) sepia(0%) saturate(0%) hue-rotate(0deg);
            transition: filter 0.6s ease;
        }
        .feature-card .feature-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.3px;
        }
        .feature-card .feature-desc {
            font-size: 0.82rem;
            color: #cbd5e1;
            line-height: 1.1rem;
            padding-left: 38px;
        }
        .feature-card .feature-desc .desc-line {
            display: block;
        }

        /* 缩略图 */
        .product-thumbnail-area {
            position: absolute;
            top: 0px;
            right: 80px;
            bottom: 90px;
            width: 230px;
            background: var(--primary);
            border-radius: 0px;
            padding: 10px 12px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            transition: background 0.6s ease;
            z-index: 10;
            box-shadow: 0 8px 30px rgba(0,0,0,0.25);
            gap: 15px;
        }
		.protxt { 
			color: #fff;
			text-align: center;
			font-size: 1.3rem;
			line-height: 1.5rem;
			font-weight: 650;
			
		}
.thumb-but{
	border-radius: 90px;
	border: 1px solid #fff;
	padding: 3px 15px;
	font-size: 0.9rem;
	font-weight: 400;
	text-align: center;
	cursor: pointer;
	background-color: var(--primary);
	color: #fff;
}
.thumb-but:hover{
	
	transform: scale(1.08);
}
        .thumb-nav-btn {
            background: rgba(255,255,255,0.30);
            border: none;
            color: #fff;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .thumb-nav-btn:hover {
            background: rgba(255,255,255,0.40);
            transform: scale(1.08);
        }
        .thumb-nav-btn:active {
            transform: scale(0.95);
        }
        .thumb-nav-btn.disabled {
            opacity: 0.25;
            pointer-events: none;
        }

        /* 缩略图*/
        .product-thumbnail-area {
            position: absolute;
            top: 0px;
            right: 80px;
            bottom: 90px;
            width: 230px;
            background: var(--primary);
            border-radius: 0px;
            padding: 10px 12px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            transition: background 0.6s ease;
            z-index: 10;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
            gap: 15px;
        }

        .protxt {
            color: #fff;
            text-align: center;
            font-size: 1.3rem;
            line-height: 1.5rem;
            font-weight: 650;
        }

        .thumb-but {
            border-radius: 90px;
            border: 1px solid #fff;
            padding: 3px 15px;
            font-size: 0.9rem;
            font-weight: 400;
            text-align: center;
            cursor: pointer;
            background-color: var(--primary);
            color: #fff;
        }

        .thumb-but:hover {
            transform: scale(1.08);
        }

        .thumb-nav-btn {
            background: rgba(255, 255, 255, 0.30);
            border: none;
            color: #fff;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .thumb-nav-btn:hover {
            background: rgba(255, 255, 255, 0.40);
            transform: scale(1.08);
        }

        .thumb-nav-btn:active {
            transform: scale(0.95);
        }

        .thumb-nav-btn.disabled {
            opacity: 0.25;
            pointer-events: none;
        }

        /* ★★★ 缩略图滚动容器 — 高度由JS动态设置，固定显示3个 ★★★ */
        .thumb-scroll-container {
            flex: 1;
            overflow: hidden;
            position: relative;
            width: 100%;
        }

        .thumb-items-wrapper {
            display: flex;
            width: 100%;
            height: 100%;
            flex-direction: column;
            transition: transform 0.4s ease;
            gap: 25px;
        }

        .thumbnail-item {
            display: flex;
            width: 100%;
            max-height: 125px;
            flex-direction: column;
            align-items: center;
            cursor: pointer;
            padding: 0px;
            border-radius: 7px;
            background: rgba(255, 255, 255, 0.32);
            color: #fff;
            transition: all 0.3s ease;
            border: 2px solid transparent;
            flex-shrink: 0;
        }

        .thumbnail-item img {
            width: 100%;
            height: 100%;
            aspect-ratio: 1 / 0.9;
            object-fit: cover;
            border-radius: 6px;
            border: 0px solid transparent;
            transition: border-color 0.3s ease;
        }

        .thumbnail-item span {
            font-size: 0.6rem;
            font-weight: 500;
            opacity: 0.85;
        }

        .thumbnail-item:hover {
            background: rgba(255, 255, 255, 0.30);
            transform: scale(1.02);
        }

        .thumbnail-item.active {
            background: rgba(255, 255, 255, 0.35);
            border-color: #fff;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
        }

        .thumbnail-item.active img {
            border-color: #fff;
        }

        .thumbnail-item {
            min-height: 80px;
        }

        /* 服务模块*/
        .services {
            position: relative;
            padding: 30px 0;
            min-height: 900px;
            background-color: #f7f7f7;
            background-image: url("../images/map.png");
			background-size: contain;
            background-position: center;
            background-repeat: no-repeat;
            transition: background-color 0.6s ease;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .services .container {
            position: relative;
            z-index: 100;
            width: 100%;
			top: -120px;
			
        }

        .map-dots {
            position: absolute;
            inset: 0;
            z-index: 1;
            pointer-events: none;
        }

        .map-dot {
            position: absolute;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background-color: var(--primary);
            box-shadow: 0 0 0 6px rgba(255,255,255,0.25), 0 4px 16px rgba(0,0,0,0.12);
            transition: background-color 0.6s ease, transform 0.3s ease;
            pointer-events: auto;
            cursor: default;
            animation: pulse-dot 2s infinite ease-in-out;
        }

        .map-dot::after {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            border: 2px solid rgba(255,255,255,0.4);
            animation: ring-pulse 2s infinite ease-out;
        }

        @keyframes pulse-dot {
            0%, 100% { transform: scale(0.9); opacity: 0.9; }
            50% { transform: scale(1.2); opacity: 1; }
        }

        @keyframes ring-pulse {
            0% { transform: scale(0.8); opacity: 1; }
            100% { transform: scale(1.6); opacity: 0; }
        }

        .dot-1 { left: 7%; top: 23%; }
        .dot-2 { left: 45%; top: 16%; }
        .dot-3 { left: 67%; top: 26%; }
        .dot-4 { left: 68%; top: 48%; }
        .dot-5 { left: 94%; top: 43%; }
        .dot-6 { left: 60%; top: 99%; }
        .dot-7 { left: 55%; top: 103%; }
        .dot-8 { left: 51%; top: 133%; }
        .dot-9 { left: 50%; top: 119%; }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 62px;
            position: relative;
            z-index: 2;
			
        }

        .service-item {
            text-align: left;
            padding: 42px 18px 30px 18px;
            
            
            
        }
        .service-item:hover {
			border-radius: 28px;
			background: rgba(255, 255, 255, 0.78);
            transform: translateY(-6px);
            box-shadow: var(--card-shadow);
            border-color: var(--border-color);
         
			backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
           
            transition: all 0.4s ease;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
        }
        .service-item img {
            height: 44px;
            width: auto;
            margin-bottom: 16px;
        }
        .service-item h4 {
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

         .service-item h4 span {
			color: var(--primary);
            font-size: 1.6rem;
			line-height: 1.5;
            font-weight: 700;
            margin:0px 8px;
			font-family: 'Arial Narrow', sans-serif;
        }
        .service-item p {
			margin-left: 60px;
            color: #64748b;
            font-size: 0.95rem;
        }


        

        /* ===== 响应式 ===== */
      
        @media (max-width: 992px) {
            .about-grid {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .about-list {
                flex: 0 0 auto;
                width: 100%;
                max-width: 400px;
            }

            .product-display {
                min-height: auto;
            }
            .product-image-area {
                min-height: 280px;
            }
            .product-image-area img {
                height: 280px;
            }
            .product-image-overlay {
                padding: 20px 24px 16px;
            }
            .product-image-overlay .main-label {
                font-size: 1.4rem;
            }

            .product-features-area {
                padding: 24px 20px;
            }
            .product-features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .feature-card .feature-desc {
                padding-left: 0;
            }

      
            .product-thumbnail-area {
                position: relative;
                top: auto;
                right: auto;
                bottom: auto;
                width: 100%;
                margin: 0;
                border-radius: 0;
                flex-direction: row;
                flex-wrap: wrap;
                padding: 12px 16px;
                gap: 10px;
                background: var(--primary);
                z-index: 1;
            }
            .thumb-scroll-container {
                flex: 1;
                overflow: hidden;
                min-height: auto;
            }
            .thumb-items-wrapper {
                flex-direction: row;
                gap: 10px;
                transition: transform 0.4s ease;
            }
            .thumbnail-item {
                min-height: 60px;
                min-width: 80px;
                flex-shrink: 0;
                padding: 4px 8px;
            }
            .thumbnail-item img {
                aspect-ratio: 1 / 0.8;
                max-height: 50px;
            }
            .thumb-nav-btn {
                transform: rotate(90deg);
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .thumb-nav-btn:hover {
                transform: rotate(90deg) scale(1.08);
            }

            .services {
                padding: 60px 0;
                min-height: auto;
                background-size: cover;
            }
            .map-dot {
                width: 14px;
                height: 14px;
            }
            .services-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .service-item {
                padding: 20px 12px;
            }
            .service-item img {
                height: 36px;
            }
        }

   
        @media (max-width: 768px) {
            .banner {
                height: 340px;
            }
            .banner-slide {
                padding: 0 20px;
            }
            .banner-slide h2 {
                font-size: 1.8rem;
            }
            .banner-slide p {
                font-size: 0.9rem;
            }

            .about {
                padding: 60px 20px 0 20px;
            }
            .about-text {
                height: auto;
                background-size: 200px 150px;
                padding: 10px 20px;
            }
            .about-text h3 {
                font-size: 2rem;
            }
            .about-list {
                min-width: 0;
                height: auto;
                padding: 0 12px;
            }
            .about-list P {
                font-size: 1.2rem;
            }

            .section-title {
                font-size: 2rem;
            }
            .section-sub {
                font-size: 1rem;
                margin-bottom: 30px;
            }

            .tab-bar {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
                padding: 8px 0;
            }
            .tab-group {
                width: 30%;
                min-width: 120px;
            }
            .tab-divider {
                display: none;
            }
            .tab-btn {
                padding: 8px 12px;
                align-items: center;
                text-align: center;
            }
            .tab-btn .main-text {
                font-size: 0.7rem;
                line-height: 1.4rem;
            }
            .tab-btn .icon-text img {
                height: 24px;
            }
            .tab-btn .sub-text {
                font-size: 0.6rem;
            }
            .global-switch-icon {
                margin: 0 8px;
            }
            .global-switch-icon img {
                height: 32px;
            }
            .logo-placeholder {
                min-width: 100px;
            }
            .logo-placeholder img {
                height: 50px;
            }

            .product-image-area {
                min-height: 200px;
            }
            .product-image-area img {
                height: 200px;
            }
            .product-image-overlay .main-label {
                font-size: 1.2rem;
            }
            .product-image-overlay .main-desc {
                font-size: 0.85rem;
            }
            .product-features-area {
                padding: 20px 16px;
                height: auto;
            }
            .product-features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
                width: 100%;
            }
            .feature-card .feature-title {
                font-size: 0.8rem;
            }
            .feature-card .feature-desc {
                font-size: 0.75rem;
                padding-left: 0;
            }
            .feature-card .feature-icon-box {
                width: 24px;
                height: 24px;
                min-width: 24px;
            }
            .feature-card .feature-icon-box img {
                width: 18px;
                height: 18px;
            }

            .product-thumbnail-area {
                padding: 8px 12px;
                gap: 8px;
            }
            .thumb-scroll-container {
                max-height: none;
            }
            .thumb-items-wrapper {
                gap: 8px;
            }
            .thumbnail-item {
                min-height: 50px;
                min-width: 60px;
                padding: 3px 6px;
            }
            .thumbnail-item img {
                max-height: 40px;
            }
            .thumb-nav-btn {
                width: 26px;
                height: 26px;
                font-size: 0.8rem;
            }

            .services .container {
                top: 0;
            }
            .services-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .service-item {
                padding: 16px 10px;
            }
            .service-item h4 {
                font-size: 1.1rem;
            }
            .service-item h4 span {
                font-size: 1.2rem;
            }
            .service-item p {
                margin-left: 0;
                font-size: 0.85rem;
            }
            .map-dot {
                width: 10px;
                height: 10px;
            }
            .map-dot::after {
                display: none;
            }
        }

 
        @media (max-width: 640px) {
            .banner {
                height: 280px;
                margin: 0 8px 12px 8px;
                border-radius: 20px;
            }
            .banner-slide h2 {
                font-size: 1.4rem;
            }
            .banner-slide p {
                font-size: 0.8rem;
                margin-bottom: 16px;
            }
            .banner-slide .btn {
                padding: 8px 24px;
                font-size: 0.85rem;
            }
            .banner-dots span {
                width: 10px;
                height: 10px;
            }

            .about {
                padding: 40px 12px 0 12px;
            }
            .about-text h3 {
                font-size: 1.8rem;
            }
            .about-text p {
                font-size: 1rem;
            }
            .about-list-item {
                font-size: 0.85rem;
                gap: 8px;
            }
            .about-list-item .check-box {
                width: 20px;
                height: 20px;
            }
            .about-list-item .check-box img {
                width: 14px;
                height: 14px;
            }
            .about-list P {
                font-size: 1rem;
            }

            .section-title {
                font-size: 1.6rem;
            }
            .section-sub {
                font-size: 0.9rem;
                margin-bottom: 20px;
            }
            .section-title2 {
                font-size: 1.2rem;
            }

            .tab-bar {
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                padding: 8px 12px;
            }
            .tab-group {
                width: 100%;
                min-width: auto;
            }
            .tab-divider {
                display: none;
            }
            .tab-btn {
                flex-direction: row;
                align-items: center;
                gap: 8px;
                padding: 6px 12px;
                border-bottom: none;
                border-left: 3px solid transparent;
            }
            .tab-btn .main-text {
                font-size: 0.8rem;
                line-height: 1.2rem;
            }
            .tab-btn .icon-text img {
                height: 20px;
            }
            .tab-btn .sub-text {
                font-size: 0.65rem;
                margin-left: auto;
            }
            .tab-btn.active {
                border-left-color: var(--primary-dark);
            }
            .global-switch-icon {
                margin: 4px 0;
                align-self: center;
            }
            .global-switch-icon img {
                height: 28px;
            }
            .logo-placeholder {
                min-width: 80px;
                margin-top: 4px;
            }
            .logo-placeholder img {
                height: 40px;
            }

            .product-image-area {
                min-height: 160px;
            }
            .product-image-area img {
                height: 160px;
            }
            .product-image-overlay {
                padding: 12px 16px 10px;
            }
            .product-image-overlay .main-label {
                font-size: 1rem;
            }
            .product-image-overlay .main-desc {
                font-size: 0.75rem;
            }

            .product-features-area {
                padding: 14px 12px;
            }
            .product-features-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .feature-card .feature-header {
                gap: 6px;
            }
            .feature-card .feature-title {
                font-size: 0.75rem;
            }
            .feature-card .feature-desc {
                font-size: 0.7rem;
                padding-left: 0;
            }

            .product-thumbnail-area {
                padding: 6px 8px;
                gap: 6px;
                flex-wrap: nowrap;
                overflow-x: auto;
            }
            .thumb-scroll-container {
                flex: 1;
                overflow: visible;
            }
            .thumb-items-wrapper {
                flex-direction: row;
                gap: 6px;
                transform: none !important;
            
            }
            .thumbnail-item {
                min-height: 40px;
                min-width: 50px;
                padding: 2px 4px;
            }
            .thumbnail-item img {
                max-height: 30px;
            }
            .thumb-nav-btn {
                display: none;
              
            }

            .services .container {
                top: 0;
            }
            .services-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .service-item {
                padding: 12px 8px;
                text-align: center;
            }
            .service-item h4 {
                font-size: 1rem;
            }
            .service-item h4 span {
                font-size: 1.1rem;
            }
            .service-item p {
                margin-left: 0;
                font-size: 0.8rem;
            }
            .map-dot {
                width: 8px;
                height: 8px;
            }
            .map-dot::after {
                display: none;
            }