@charset "utf-8";
/* CSS Document */

   * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif;
        }
        :root {
            --main-blue: #0a4b8f;
            --dark-gray: #222831;
            --light-gray: #f1f5f9;
            --metal-silver: #cbd5e1;
            --accent-orange: #ff7b3d;
        }
        body {
            background: #fff;
            color: #333;
            line-height: 1.6;
        }
        header {
            background: var(--dark-gray);
			/*background: rgba(34,40,49,.95);*/
            color: white;
            padding: 0 20px;
            position: sticky;
            top: 0;
            z-index: 999;
        }
		.main100{ width:100%;
		margin:0 auto;
		background:#f1f5f9;
		}
		ul { list-style: none; }
		a {
            color: #888;
            text-decoration: none;
        }
         a:hover {
            color: var(--accent-orange);
        }
        .navbar {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }
        .logo {            
            font-weight: bold;
            color: #fff;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 40px;
            position: relative;
        }
        nav a {
            color: #fff;
            text-decoration: none;
            font-size: 16px;
            transition: 0.3s;
        }
        nav a:hover {
            color: var(--accent-orange);
        }

        .nav-tel {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-size: 16px;
        }
        .nav-tel span {
            color: var(--accent-orange);
            font-weight: bold;
			font-size: 22px;
			font-family:Georgia, "Times New Roman", Times, serif;
        }

        .dropdown {
            position: relative;
        }
        .dropdown-menu {
            position: absolute;
            top: 100%;
            left: 0;
            background: #fff;
            min-width: 200px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            border-radius: 4px;
            opacity: 0;
            visibility: hidden;
            transition: 0.3s;
            flex-direction: column;
            display: flex;
			 gap:0px; 
        }

        .dropdown-menu li {
            padding: 10px 15px;
            border-bottom: 1px solid #f0f0f0;
        }
        .dropdown-menu li:last-child {
            border-bottom: none;
        }
        .dropdown-menu a {
            color: #333;
            display: block;
        }
        .dropdown-menu a:hover {
            color: var(--main-blue);
            font-weight: bold;
        }
		.dropdown-menu li:hover{ background:#e1e1e1}
        .dropdown:hover .dropdown-menu {
            opacity: 1;
            visibility: visible;
        }

        .slider {
            position: relative;
            width: 100%;
            height: 600px;
            overflow: hidden;
        }
        .slides {
            display: flex;
            width: 200%;
            height: 100%;
            transition: transform 0.5s ease;
        }
        .slide {
            width: 100%;
            height: 100%;
            position: relative;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
        }
        .slide::before {
            content: '';
            position: absolute;
            top:0;left:0;
            width:100%;height:100%;
            /*background: rgba(0,30,60,0.6);*/
        }
        .slide-content {
            position: relative;
            z-index: 2;
			width:100%;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 20px;
            color: #fff;
			text-align:left;
        }
        .slide h2 {
            font-size: 42px;
            margin-bottom: 15px;
        }
        .slide p {
            font-size: 18px;
            max-width: 1200px;
            margin-bottom: 30px;
        }
        .btn {
            padding: 12px 30px;
            background: var(--accent-orange);
            color: white;
            border-radius: 4px;
            text-decoration: none;

            display: inline-block;
            transition: 0.3s;
        }
        .btn:hover {
            background: #d97706;
        }
        .arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 50px;
            height: 50px;
            background: rgba(0,0,0,0.3);
            color: white;
            font-size: 24px;
            text-align: center;
            line-height: 50px;
            cursor: pointer;
            z-index: 10;
            border-radius: 50%;
            user-select: none;
        }
        .prev { left: 20px; }
        .next { right: 20px; }
        .arrow:hover { background: rgba(0,0,0,0.6); }
        .dots {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 12px;
            z-index: 10;
        }
        .dot {
            width: 12px;
            height: 12px;
            background: rgba(255,255,255,0.5);
            border-radius: 50%;
            cursor: pointer;
        }
        .dot.active {
            background: var(--accent-orange);
        }

        .section {
            padding: 70px 20px 90px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .section-title {
            text-align: center;
            font-size: 34px;
            color: #f95e19;
            margin-bottom: 50px;
            position: relative;
        }
        .section-title::after {
            content: "";
            width: 60px;
            height: 3px;
            background: var(--main-blue);
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: -10px;
        }

        .about {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
			
        }
        .about-img {
            flex: 1;
            min-width: 300px;
            overflow: hidden;
            border-radius: 8px;
			box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }
        .about-img img {
            width: 100%;
            border-radius: 8px;
            transition: transform 0.5s ease;
            display: block;
        }
        .about-img:hover img {
            transform: scale(1.08);
        }
        .about-text {
            flex: 1;
            min-width: 300px;
        }
        .about-text h3 {
            font-size: 32px;
            color: var(--main-blue);
            margin-bottom: 20px;
        }
        .about-text p {
            margin-bottom: 15px;
            color: #555;
            line-height: 1.8;
        }

        .advantage {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            text-align: center;
        }
        .adv-item {
            padding: 30px 20px 50px 20px;
            background: #deedfb;
            border-radius: 8px;
            transition: 0.3s;
        }
        .adv-item:hover {
            transform: translateY(-5px);
			background:#bfe0fe;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .adv-item h3 {
            color: var(--main-blue);
            margin: 15px 0;
            font-size: 22px;
        }
        .product {
            background: var(--light-gray);
        }
        .product-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }
        .product-item {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            transition: all 0.35s ease;
            cursor: pointer;
            border: 2px solid transparent;
        }
        .product-item img {
            width: 100%;
            height: 272px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .product-info {
            padding: 20px;
            text-align: center;
        }
        .product-info h3 {
            font-size: 22px;
            margin-bottom: 10px;
            color: var(--dark-gray);
            transition: 0.3s;
        }
        .product-info p {
            font-size: 16px;
            color: #666;
			display:block;
			letter-spacing: 1px;
			line-height:1.875;
			height:60px;
			 overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2; /* 限制行数为2 */
  -webkit-box-orient: vertical;
        }
        .product-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
            border-color: var(--main-blue);
        }
        .product-item:hover img {
            transform: scale(1.08);
        }
        .product-item:hover h3 {
            color: var(--main-blue);
        }

        /* 应用领域 —— 改成和产品中心一样的卡片样式 */
        .application {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 20px;
        }
        .app-item {
            background: white;
            border-radius: 8px;
            padding: 40px 15px;
            text-align: center;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            border: 1px solid transparent;
        }
        .app-item i {
            font-size: 36px;
            color: var(--main-blue);
            margin-bottom: 15px;
            display: block;
        }
        .app-item span {
            font-size: 16px;
            color: #333;
            font-weight: 500;
        }
        .app-item:hover {
            transform: translateY(-8px);
            border-color: var(--main-blue);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .app-item:hover i {
            color: var(--accent-orange);
        }
		.app-item:hover span {
           color: var(--main-blue);
		   font-weight:bold;
        }
		

        footer {
            background: var(--dark-gray);
            color: white;
            padding: 60px 20px 20px;
        }
        .footer-wrap {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 30px;
        }
        .footer-left {
            flex: 0 0 30%;
            min-width: 250px;
        }
        .footer-left h2 {
            font-size: 22px;
            margin-bottom: 15px;
            color: #fff;
        }
        .footer-left p {
            color: #888;
            line-height: 1.8;
			
        }
        .footer-right {
            /*flex: 0 0 70%;*/
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }
        .footer-col h4 {
            font-size: 16px;
            margin-bottom: 15px;
            color: #fff;
			
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 8px;
			color:#888;
        }
        .footer-col a {
            color: #888;
            text-decoration: none;
        }
        .footer-col a:hover {
            color: var(--accent-orange);
        }
        .qrcode img {
            width: 110px;
            height: 110px;
            background: #fff;
            padding: 2px;
            border-radius: 4px;
        }
        .copyright {
            max-width: 1200px;
            margin: 40px auto 0;
            padding-top: 20px;
            border-top: 1px solid #444;
            text-align: center;
            color: #999;
            font-size: 14px;
        }

        @media (max-width: 768px) {
            .slide h2 { font-size: 28px; }
            .navbar { flex-direction: column; height: auto; padding: 15px 0; }
            nav ul { margin-top: 10px; gap: 15px; }
            .slider { height: 360px; }
            .arrow { width: 40px; height: 40px; line-height: 40px; font-size: 20px; }
            .nav-tel { margin-top: 10px; }
			
			.footer-left {
            flex: 0 0 90%;
            /*min-width: 250px;*/
        }

        }
/*页码*/
/*CSS green-black style pagination*/
#green-black {
	text-align:center; padding:30px 0px;text-indent:0;
}
#green-black A {
	display:inline-block;padding:0 20px; background:#ffffff;height:36px; line-height:36px; font-size:14px; border:1px solid #e5e5e5; text-decoration:none; color:#333; outline:none;margin-left:8px;cursor:pointer;border-radius:4px;transition:all .2s;
}
#green-black A:hover {
	display:inline-block;padding:0 20px; background:#fe5d13; color:#FFF;height:36px; line-height:36px; font-size:14px; text-decoration:none;  outline:none;border:#e5e5e5 1px solid;margin-left:8px;cursor:pointer;border-radius:4px;transition:all .2s;
}

#green-black SPAN.current {
	display:inline-block;padding:0 20px; background:#fe5d13; color:#FFF;height:36px; line-height:36px; font-size:14px;  text-decoration:none; color:#FFF; outline:none;border:#fe5d13 1px solid;margin-left:8px;cursor:pointer;border-radius:4px;transition:all .2s;
}
#green-black a.disabled {
	display:inline-block;padding:0 20px; background:#FFF;  height:36px; line-height:36px; font-size:14px; text-decoration:none; color:#333; outline:none; border:#BDBDBD 1px solid; margin-left:8px;cursor:pointer;border-radius:4px;transition:all .2s;
}