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


        :root {
            --primary: #0066cc;
            --secondary: #003366;
            --accent: #ff6600;
            --light: #f5f9ff;
            --dark: #1a1a1a;
            --shadow: 0 4px 12px rgba(0, 51, 102, 0.15);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        a {
            text-decoration: none;
            color: inherit;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 导航栏样式 */
        header {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: var(--shadow);
            position: fixed;
            width: 100%;
            z-index: 1000;
            transition: all 0.3s ease;
        }
        
        header.scrolled {
            padding: 5px 0;
        }
        
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 5px 0;
              height: 90px; /* 给导航栏一个明确的高度，垂直居中会更直观 */
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo img {
            height: 70px;
            margin-right: 10px;
        }
        
        .logo h1 {
            font-size: 1.8rem;
            color: var(--primary);
            font-weight: 700;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin: 0 15px;
            position: relative;
        }
        
        .nav-links a {
            color: var(--dark);
            font-weight: 500;
            padding: 5px 0;
            transition: color 0.3s;
        }
        
        .nav-links a:hover {
            color: var(--primary);
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s ease;
        }
        
        .nav-links a:hover::after {
            width: 100%;
        }
        
        .hamburger {
            display: none;
            cursor: pointer;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
        }
        
        /* 英雄区域样式 */
      .hero {
    /* 多重背景：渐变遮罩层（上方） + 图片背景（下方） */
    background-image: 
        linear-gradient(to bottom, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.2)), /* 半透明黑色渐变遮罩 */
        url('../images/banner.jpg'); /* 背景图片路径 */
    background-size: cover;      /* 覆盖整个区域 */
    background-position: center; /* 图片居中 */
    background-repeat: no-repeat; /* 不重复 */
    background-attachment: fixed; /* 可选：固定背景不随滚动移动 */
    min-height: 100vh;           /* 全屏高度 */
    color: #fff;                /* 文字颜色改为白色 */
    display: flex;
    align-items: center;        /* 内容垂直居中 */
    padding-top: 80px;          /* 避免被固定导航栏遮挡（根据header高度调整） */
}
        
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http极速://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,128L48,117.3C96,107,192,85,288,112C384,139,480,213,576,218.7C672,224,768,160,864,128C960,96,1056,96,1152,117.3C1248,139,1344,181,1392,202.7L1440,224L1440,320L1392,320C1344,320,1248,320,1152,320C1056,极速320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
            background-size: cover;
            background-position: center bottom;
            opacity: 0.2;
        }
        
        .hero-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .hero h2 {
            font-size: 3rem;
            margin-bottom: 20px;
            animation: fadeInUp 1s ease;
        }
        
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            animation: fadeIn极速Up 1s ease 0.2s;
            animation-fill-mode: both;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background: var(--accent);
            color: white;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s ease;
            border: 2px solid var(--accent);
            animation: fadeInUp 1s ease 0.4s;
            animation-fill-mode: both;
        }
        
        .btn:hover {
            background: transparent;
            color: var(--accent);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(255, 102, 0, 0.3);
        }
        
        .btn-outline {
            background: transparent;
            border: 2px solid white;
            margin-left: 15px;
        }
        
        .btn-outline:hover {
            background: white;
            color: var(--primary);
        }
        
        /* 关于我们样式 */
        .section {
            padding: 100px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            color: var(--secondary);
             background: linear-gradient(90deg, #4a6cf7, #004182);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
             background: linear-gradient(90deg, #4a6cf7, #004182);
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--accent);
        }
        
        .section-title p {
            color: #666;
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto;
        }
        
        .about-content {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 40px;
        }
        
        .about-text {
            flex: 1;
            min-width: 300px;
        }
        
        .about-text h3 {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 20px;
        }
        
        .about-text p {
            margin-bottom: 15px; text-indent:2em;
        }
        
        .stats {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 30px;
        }
        
        .stat-item {
            background: var(--light);
            padding: 20px;
            border-radius: 10px;
            text-align: center;
            flex: 1;
            min-width: 150px;
            box-shadow: var(--shadow);
            transition: transform 0.3s ease;
        }
        
        .stat-item:hover {
            transform: translateY(-5px);
        }
        
        .stat-item i {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 10px;
        }
        
        .stat-item h4 {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 5px;
        }
        
        .about-image {
            flex: 1;
            min-width: 300px;
            position: relative;
        }
        
        .about-image img {
            width: 100%;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        
        /* 服务区域样式 
        .services {
            background: var(--light);
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .service-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform 0.3s ease;
        }
        
        .service-card:hover {
            transform: translateY(-10px);
        }
        
        .service-icon {
            height: 120px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            font-size: 2.5rem;
        }
        
        .service-content {
            padding: 25px;
        }
        
        .service-content h3 {
            color: var(--secondary);
            margin-bottom: 15px;
            font-size: 1.4rem;
        }*/
        
        

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding: 80px 0;
        }

   
        .section-title h2 {
            font-size: 2.5rem;
            margin-bottom: 15px;
            background: linear-gradient(90deg, #4a6cf7, #004182) );
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            position: relative;
            display: inline-block;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            width: 70px;
            height: 3px;
            background: linear-gradient(90deg, #4a6cf7, #004182);
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
        }

        .section-title p {
            font-size: 1.1rem;
            color: #a0a0c0;
            max-width: 650px;
            margin: 0 auto;
        }
              /* 服务网格布局 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
        }
        /* 服务卡片样式 - 去除灰色背景 */
        .service-card {
            background: var(--card-bg);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            border: 1px solid rgba(74, 108, 247, 0.2);
            position: relative;
            backdrop-filter: blur(10px);
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, #4a6cf7, transparent);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3), var(--tech-glow);
            border-color: rgba(74, 108, 247, 0.4);
        }

        .service-card.active {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), var(--tech-glow);
            border-color: rgba(74, 108, 247, 0.6);
        }

        /* 服务图标区域 */
        .service-icon {
            height: 120px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            font-size: 2.5rem;
            position: relative;
            overflow: hidden;
        }

        .service-icon::after {
            content: '';
            position: absolute;
            width: 150%;
            height: 150%;
            background: rgba(255, 255, 255, 0.1);
            top: -50%;
            left: -50%;
            transform: rotate(30deg);
            transition: all 0.5s ease;
        }

        .service-card:hover .service-icon::after {
            transform: rotate(30deg) translate(20px, 20px);
        }

        /* 服务内容区域 */
        .service-content {
            padding: 25px;
            position: relative;
        }

        .service-content h3 {
             color: var(--primary);
            margin-bottom: 15px;
            font-size: 1.4rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .expand-icon {
            font-size: 1.2rem;
            transition: transform 0.4s ease;
        }

        .service-card.active .expand-icon {
            transform: rotate(180deg);
        }

        .service-content p {
            color: #4f4f5c;
            margin-bottom: 20px;
            line-height: 1.6;
        }

        /* 服务详情区域 - 初始隐藏 */
        .service-details {
            max-height: 0;
            opacity: 0;
            overflow: hidden;
            transition: all 0.5s ease;
            padding: 0 25px;
        }

        .service-card.active .service-details {
            max-height: 500px;
            opacity: 1;
            padding-bottom: 25px;
        }

        .detail-item {
            margin-bottom: 15px;
            padding-left: 20px;
            position: relative;
        }

        .detail-item::before {
            content: '▸';
            position: absolute;
            left: 0;
            color: #4a6cf7;
            font-weight: bold;
        }

        .tech-features {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 15px;
        }

        .tech-tag {
            background: rgba(74, 108, 247, 0.15);
            color: #8ca3ff;
            padding: 5px 10px;
            border-radius: 20px;
            font-size: 0.85rem;
            border: 1px solid rgba(74, 108, 247, 0.3);
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .services-grid {
                grid-template-columns: 1fr;
            }
            
            .service-card {
                margin-bottom: 20px;
            }
        }
        
        
        
        
        
        
        
        
              /* 案例区域样式修复 */
        .cases {
            position: relative;
            overflow: hidden;
            padding: 40px 0;
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
        }
        
        .cases::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%230066cc" fill-opacity="0.03" d="M0,128L48,117.3C96,107,192,85,288,112C384,139,480,213,576,218.7C672,224,768,160,864,128C960,96,1056,96,1152,117.3C1248,139,1344,181,1392,202.7L1440,224L1440,320L1392,320C极速1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320极速,48,320L0,320Z"></path></svg>');
            background-size: cover;
            background-position: center bottom;
        }
        
        .cases-container {
            position: relative;
            z-index: 1;
            padding: 0 20px;
        }
        
        .case-filters {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 40px;
        }
        
        .case-filter {
            padding: 10px 24px;
            background: white;
            border: 2px solid #0066cc;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 500;
            color: #0066cc;
        }
        
        .case-filter.active, .case-filter:hover {
            background: #0066cc;
            color: white;
            border-color: #0066cc;
            box-shadow: 0 5px 15px rgba(0, 102, 204, 0.2);
        }
        
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 30px;
        }
        
        .case-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        
        .case-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
        }
        
        .case-image {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        
        .case-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .case-card:hover .case-image img {
            transform: scale(1.05);
        }
        
        .case-category {
            position: absolute;
            top: 15px;
            right: 15px;
            background: #ff6600;
            color: white;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        
        .case-content {
            padding: 25px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        
        .case-content h3 {
            color: #0066cc;
            margin-bottom: 12px;
            font-size: 1.4rem;
            line-height: 1.3;
        }
        
        .case-content p {
            color: #666;
            font-size: 0.95rem;
            margin-bottom: 20px;
            flex-grow: 1;
        }
        
        .case-stats {
            display: flex;
            justify-content: space-between;
            border-top: 1px solid #eee;
            padding-top: 15px;
            margin-top: auto;
        }
        /* 时间轴样式 */
        .timeline {
            position: relative;
            max-width: 1000px;
            margin: 0 auto;
            padding: 40px 0;
        }
        
        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            width: 4px;
            height: 100%;
            background: var(--primary);
            transform: translateX(-50%);
        }
        
        .timeline-item {
            display: flex;
            margin-bottom: 40px;
            position: relative;
            width: 100%;
            opacity: 0;
            transform: translateY(50px);
            transition: all 0.8s ease;
        }
        
        .timeline-item.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .timeline-item:nth-child(even) {
            justify-content: flex-start;
        }
        
        .timeline-item:nth-child(odd) {
            justify-content: flex-end;
        }
        
        .timeline-content {
            background: white;
            border-radius: 10px;
            padding: 20px;
            box-shadow: var(--shadow);
            width: 45%;
            position: relative;
        }
        
        .timeline-content::after {
            content: '';
            position: absolute;
            top: 20px;
            width: 20px;
            height: 20px;
            background: white;
            transform: rotate(45deg);
        }
        
        .timeline-item:nth-child(even) .timeline-content::after {
            right: -10px;
        }
        
        .timeline-item:nth-child(odd) .timeline-content::after {
            left: -10px;
        }
        
        .timeline-date {
            font-weight: bold;
            color: var(--primary);
            margin-bottom: 10px;
        }
        
        .timeline-dot {
            position: absolute;
            top: 20px;
            left: 50%;
            width: 20px;
            height: 20px;
            background: var(--accent);
            border-radius: 50%;
            transform: translateX(-50%);
            z-index: 1;
        }
		
		
		
		.nyweihuliuc{ padding: 90px 0; background: linear-gradient(to right, #4a6cf7, #004182); }
			.nyweihuliuc .lmtit{ font-size: 32px; text-align: center; color: #fff; }
			.nyweihuliuc .lmxian{ width: 35px; height: 3px; background: #fff; margin: 15px auto 30px; }
			.nyweihuliuc .list ul{ display: flex; position: relative; width: 102%; left: -1%; flex-wrap: wrap; margin: 0; }
			.nyweihuliuc .list ul li{ display: block; width: 23%; margin: 0 1%; transition: all .5s; }
			.nyweihuliuc .list ul li .sz{ background: #fff; font-size: 50px; width: 120px; line-height: 120px; border-radius: 10px; margin: 0 auto; position: relative; text-align: center; font-weight: bold; color: #1569b1; }
			.nyweihuliuc .list ul li .sz span{ width: 40px; line-height: 40px; background: #fed971; position: absolute; border-radius: 5px; font-size: 20px; left: 50%; margin-left: -20px; bottom: -20px; transform: rotate(45deg); }
			.nyweihuliuc .list ul li .sz span i{ transform: rotate(-45deg); }
			.nyweihuliuc .list ul li .tit{ font-size: 22px; color: #fff; margin: 35px 0 5px; text-align: center; }
			.nyweihuliuc .list ul li .jj{ font-size: 16px; color: #fff; line-height: 30px; }
			.nyweihuliuc .list ul li:hover{ transform: translateY(-5px); }
			@media (max-width:1024px){
				.nyweihuliuc{ padding: 30px 0; }
				.nyweihuliuc .lmtit{ font-size: 20px; }
				.nyweihuliuc .lmxian{ margin: 7px auto 15px; }
				.nyweihuliuc .list ul li{ width: 48%; margin: 1%; }
				.nyweihuliuc .list ul li .sz{ zoom:.5; }
				.nyweihuliuc .list ul li .tit{ font-size: 18px; margin-top: 20px; }
				.nyweihuliuc .list ul li .jj{ font-size: 14px; line-height: 25px; }
			}	
		
	
		.nyweihufuwfs{ padding:0; }
			.nyweihufuwfs .lmtit{ font-size: 32px; margin-bottom: 30px; text-align: center; }
			.nyweihufuwfs .list ul{ display: flex; flex-wrap: wrap; width: 102%; left: -1%; position: relative; }
			.nyweihufuwfs .list ul li{ display: block; width: 48%; margin: 1%; border: 3px solid #eee; box-sizing: border-box; padding: 20px; text-align: center; }
			.nyweihufuwfs .list ul li .pic{ text-align: center; margin-bottom: 15px;}
			.nyweihufuwfs .list ul li .pic img{ max-height: 222px; display: inline-block; }
			.nyweihufuwfs .list ul li .tit{ font-size: 20px; font-weight: bold; margin-bottom: 5px; }
			.nyweihufuwfs .list ul li .jj{ font-size: 16px; line-height: 25px; color: #666; }
			.nyweihufuwfs .slist{ margin: 1% 0; border: 3px solid #eee; padding: 40px; }
			.nyweihufuwfs .slist ul{ display: flex; flex-wrap: wrap; }
			.nyweihufuwfs .slist ul li{ display: block; width: 23%; margin: 1%; box-sizing: border-box; padding-left: 85px; position: relative; transition: all .5s; }
			.nyweihufuwfs .slist ul li .ico{ width: 50px; position: absolute; left: 20px; top: 10px; height: 50px; overflow: hidden; transition: all .5s; overflow: hidden; }
			.nyweihufuwfs .slist ul li .ico img{ max-width: 100%; filter: drop-shadow(#1569b1 80px 0); transform: translateX(-80px); }
			.nyweihufuwfs .slist ul li .tit{ height: 70px; line-height: 70px; font-size: 16px; color: #333; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; transition: all .5s; }
			.nyweihufuwfs .slist ul li:hover .tit{ color: #1569b1; }
			.nyweihufuwfs .slist ul li:hover .ico{ transform: rotateY(180deg); }
			.nyweihufuwfs .slist ul li:hover{ box-shadow: 0 0 10px rgba(0,0,0,.1); }
			@media (max-width:1024px){
				.nyweihufuwfs{ padding: 30px 0; }
				.nyweihufuwfs .lmtit{ font-size: 20px; margin-bottom: 15px; }
				.nyweihufuwfs .list ul li{ width: 98%; padding: 10px; }
				.nyweihufuwfs .list ul li .pic img{ width: 100%; }
				.nyweihufuwfs .list ul li .tit{ font-size: 18px; }
				.nyweihufuwfs .list ul li .jj{ font-size: 14px; line-height: 25px; text-align: left; }
				.nyweihufuwfs .slist{ padding: 15px; }
				.nyweihufuwfs .slist ul li{ width: 98%; }
				.nyweihufuwfs .slist ul li .ico{ zoom:.8; }
				.nyweihufuwfs .slist ul li .tit{ line-height: 50px; height: 50px; }
				
				}	
        
		
		.cont_bg {
  background: url(../images/cont_bg.jpg) no-repeat left center;
  padding: 65px 0 55px 0; height:700px;
}

.cont_bg .index_tit {
  text-align: left;
}

.cont_tit h1 {
  font-weight: normal;
}

.cont_tit p {
  font-size: 30px;
  margin-top: 5px;
}

.cont_tit h2 {
  font-size: 50px;
}

.cont_left_all {
  overflow: hidden;
  margin-top: 60px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 25px; padding-bottom:25px;
}

.cont_left_all li {
  width: 65px;
  height: 65px;
  border: 1.5px solid #fff;
  border-radius: 50%;
  line-height: 65px;
  text-align: center;
  float: left;
  margin-right: 40px; font-style:normal
}

.cont_left_all li img {
  vertical-align: middle;
}

.cont_left_p {
  color: #fff;
  font-size: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 40px;
}

.cont_left_p p {
  line-height: 40px
}

.cont_right .gb {
  width: 600px;
  height: 515px;
  border-radius: 12px;
  /*background: #fff;*/
}
.fleft {
    float: left;
}
.fright {
    float: right;
}

/*guestbook*/
.guestbook {
  padding: 60px 50px 28px 55px;
  background: #fff;
  box-shadow: 0 3px 5px 0 rgba(0, 0, 0, 0.05);
  border-radius: 12px;
}

.guestbook form {
  margin-top: 45px;
}

.guestbook h2 {
  font-size: 40px;
  font-weight: normal;
  text-align: left;
  line-height: 40px; color:#000
}

.guestbook .padding {
  padding: 50px;
}

.guestbook .form-group {}

.guestbook input.input1 {
 
  float: left; margin-bottom:20px;
}

.guestbook input.input1:nth-child(2) {
  margin-left: 15px;
}

.guestbook input.input::-webkit-input-placeholder {
  /* Chrome/Opera/Safari */
  color: #8e8e8e;
}

.guestbook input.input::-moz-placeholder {
  /* Firefox 19+ */
  color: #8e8e8e;
}

.guestbook input.input::-ms-input-placeholder {
  /* IE 10+ */
  color: #8e8e8e;
}

.guestbook input::-moz-placeholder {
  /* Firefox 18- */
  color: #8e8e8e;
}

.form-button input {
  font-size: 20px;
  height: 60px;
  line-height: 60px;
  padding: 0;
  border-radius: 12px; border:none; background:#ff7737; width:100%; color:#fff;
}

.guestbook .input {
  font-size: 16px;
  padding: 0 15px;
  height: 60px;
  line-height: 60px;
  width: 100%;
  display: block;
  -webkit-appearance: none;
  transition: all 1s cubic-bezier(0.175, 0.885, 0.32, 1) 0s;
  box-shadow: 0 0px 0px rgba(0, 0, 0, 0.0) inset;
  border: 1px solid #d5d5d5;
  margin-top: 25px;
  border-radius: 12px;
}

.form-button input:hover {
  background: #2e9df7;
}

.guestbook .textarea {
  padding: 12px;
  line-height: 24px;
  width: 100%;
  font-size: 16px;
  background: #fff;
  border: 0;
}

.guestbook .label {
  display: block;
  line-height: 24px;
}

.guestbook .label label {
  font-weight: 400;
}

.guestbook .field {
  font-size: 16px
}

.guestbook select {
  font-size: 16px;
  padding: 0 35px 0 15px;
  width: 100%;
  height: 50px;
  line-height: 50px;
  border: 0;
  appearance: none;
  -moz-appearance: none;
  -webkit-appearance: none;
  background: #fff url(../images/select-down.png) no-repeat right 50%;
  color: #666;
}

.guestbook .form-tips .guestbook .input-help ul {
  border: 0;
  background: #fff;
  padding: 5px 10px;
  box-shadow: 0 0 0 #fff;
  border-radius: 0 0 4px 4px;
  width: 150px;
  min-width: 150px;
  width: auto;
  _width: 150px;
  color: #EE3333;
  font-size: 12px
}

.guestbook .input::-webkit-input-placeholder,
.guestbook .textarea::-webkit-input-placeholder {
  color: #111;
  font-size: 16px;
}

.guestbook .input:-moz-placeholder,
.guestbook .textarea:-moz-placeholder {
  color: #111;
  font-size: 16px;
}

.guestbook .input::-moz-placeholder,
.guestbook .textarea::-moz-placeholder {
  color: #111;
  font-size: 16px;
}

.guestbook .input:-ms-input-placeholder,
.guestbook .textarea:-ms-input-placeholder {
  color: #111;
  font-size: 16px;
}

        /* 联系区域样式 */
        .contact {
            background: var(--secondary);
            color: white;
        }
        
        .contact-container {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
        }
        
        .contact-info {
            flex: 1;
            min-width: 300px;
        }
        
        .contact-info h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: white;
        }
        
        .contact-info p {
            margin-bottom: 20px;
            font-size: 1.1rem;
        }
        
        .contact-details {
            margin-top: 30px;
        }
        
        .contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .contact-item i {
            font-size: 1.2rem;
            color: var(--accent);
            margin-right: 15px;
            width: 20px;
        }
        
        .contact-form {
            flex: 1;
            min-width: 300px;
            background: white;
            padding: 30px;
            border-radius: 10px;
            color: #333;
        }
        
        .contact-form h3 {
            color: var(--secondary);
            margin-bottom: 20px;
            text-align: center;
        }
        
        .form-group {
            margin-bottom: 20px;
极速}
        
        .form-group label {
            display: block;
            margin-bottom: 5px;
            font-weight: 500;
        }
        
        .form-group input, .form-group textarea {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1极速rem;
        }
        
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        
        .submit-btn {
            background: var(--accent);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 100%;
        }
        
        .submit-btn:hover {
            background: #ff8533;
        }
        
        /* 页脚样式 */
        footer {
            background: #0a1c2d;
            color: #ccc;
            padding: 60px 0 30px;
        }
        
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-column {
            flex: 1;
            min-width: 200px;
        }
        
        .footer-column h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.2rem;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--accent);
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column ul li {
            margin-bottom: 10px;
        }
        
        .footer-column ul li a {
            transition: color 0.3s ease;
        }
        
        .footer-column ul li a:hover {
            color: white;
        }
        
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 15px;
        }
        
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            transition: all 0.3s ease;
        }
        
        .social-links a:hover {
            background: var(--accent);
            transform: translateY(-3px);
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        /* 动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .hero h2 {
                font-size: 2.5rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .nav-links {
                position: fixed;
                top: 80px;
                left: -100%;
                background: white;
                width: 100%;
                flex-direction: column;
                align-items: center;
                padding: 20px 0;
                box-shadow: var(--shadow);
                transition: left 0.3s ease;
            }
            
            .nav-links.active {
                left: 0;
            }
            
            .nav极速-links li {
                margin: 15极速px 0;
            }
            
            .hamburger {
                display: block;
            }
            
            .timeline::before {
                left: 20px;
            }
            
            .timeline-item {
                justify-content: flex-start !important;
                padding-left: 50px;
            }
            
            .timeline-content {
                width: 100%;
            }
            
            .timeline-content::after {
                left: -10px !important;
                right: auto !important;
            }
            
            .timeline-dot {
                left: 20px;
            }
        }
        
        
        
        
              /* 修复后的右侧飘窗样式 */
        .fixed-bay {
            position: fixed;
            top: 30%;
            right: 20px;
            transform: translateY(-50%);
            z-index: 1000;
        }
        
        .bay-item {
            position: relative;
            margin-bottom: 15px;
            text-align: center;
        }
        
        .bay-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1a237e 0%, #283593 100%);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(26, 35, 126, 0.3);
            transition: all 0.3s ease;
            position: relative;
            z-index: 20;
        }
        
        .bay-icon:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 16px rgba(26, 35, 126, 0.4);
        }
        
        .bay-tooltip {
            position: absolute;
            right: 70px;
            top: 50%;
            transform: translateY(-50%);
            background: white;
            padding: 10px 15px;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            white-space: nowrap;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 10;
            color: #333;
            font-weight: 500;
        }
        
        .bay-item:hover .bay-tooltip {
            opacity: 1;
            visibility: visible;
            right: 75px;
        }
        
        .pulse-effect {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            border-radius: 50%;
            background: transparent;
            border: 1px solid #1a237e;
            animation: pulse 2s infinite;
            z-index: 5;
        }
		
		/* 核心优势板块样式 */
.advantages {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 60px 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.advantage-card {
    background: white;
    border-radius: 8px;
    padding: 25px 20px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #0066cc, #0099ff);
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #0066cc, #0099ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    color: white;
    font-size: 24px;
}

.advantage-card h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.advantage-card ul {
    list-style: none;
    text-align: left;
    padding: 0;
    margin: 0;
}

.advantage-card li {
    padding: 5px 0;
    position: relative;
    padding-left: 18px;
    color: #666;
    font-size: 14px;
    line-height: 1.4;
}

.advantage-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #0099ff;
    font-weight: bold;
    font-size: 14px;
}

        /* 痛点板块样式 */
.pain-points {
    background-color: #f8f9fa;
    padding: 80px 0;
}

.pain-points-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.pain-point-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pain-point-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.pain-point-header {
    display: flex;
    align-items: center;
    padding: 20px;
    background: linear-gradient(135deg, #0066cc, #004499);
    color: white;
}

.pain-point-icon {
    margin-right: 15px;
    font-size: 24px;
}

.pain-point-header h3 {
    margin: 0;
    font-size: 18px;
}

.pain-point-content {
    padding: 20px;
}

.pain-point-content h4 {
    color: #0066cc;
    margin-bottom: 10px;
    font-size: 16px;
}

.pain-point-content ul {
    padding-left: 20px;
    margin-bottom: 20px;
}

.pain-point-content li {
    margin-bottom: 8px;
    line-height: 1.5;
}

.problem {
    border-bottom: 1px solid #eee;
    padding-bottom: 15px;
    margin-bottom: 15px;
}

.problem h4 {
    color: #e74c3c;
}

.solution h4 {
    color: #27ae60;
}


        
        @media (max-width: 768px) {
            .hero {
                padding: 140px 0 80px;
            }
            
            .hero h2 {
                font-size: 2rem;
            }
            
            .section {
                padding: 80px 0;
            }
            
            .btn {
                display: block;
                margin: 10px auto;
                width: 80%;
                max-width: 250px;
            }
            
            .btn-outline {
                margin-left: 0;
            }
 .advantages {
        padding: 40px 0;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-top: 30px;
    }
    
    .advantage-card {
        padding: 20px 15px;
    }
	.pain-points-container {
        grid-template-columns: 1fr;
    }
    
    .pain-point-header {
        flex-direction: column;
        text-align: center;
    }
    
    .pain-point-icon {
        margin-right: 0;
        margin-bottom: 10px;
    }
        }