@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
:root {
    --primary-blue: #3B82F6;
    --secondary-blue: #1E40AF;
    --accent-blue: #60A5FA;
    --light-blue: #DBEAFE;
    --dark-blue: #1E3A8A;
    --text-dark: #1F2937;
    --text-light: #6B7280;
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --shadow-light: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--white);
    color: var(--text-dark);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

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

/* 导航栏样式 transparent*/
.nav-transparent {
    position: fixed;
    top: 0;
    width: 100%;
    background: transparent;
    transition: all 0.3s ease;
    z-index: 1000;
}

.nav-scrolled {
    position: fixed;
    top: 0;
    width: 100%;
     z-index: 1000;
    background: rgba(251, 251, 251, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
   /* box-shadow: var(--shadow-medium);*/
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-dark);
}

.logo i {
    color: var(--primary-blue);
    font-size: 1.8rem;
}
.logo-title{
    font-size:medium;
    font-family:fantasy;
}
.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a, .nav-links button {
    color: var(--text-dark);
    text-decoration: none;
    background: none;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover, .nav-links button:hover {
    color: var(--primary-blue);
}

.nav-links a::after, .nav-links button::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

.nav-links a:hover::after, .nav-links button:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-dark);
    font-size: 1.2rem;
    cursor: pointer;
}

/* 按钮样式 */
.btn-primary {
    background: var(--primary-blue);
    color: var(--white);
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 400;
    font-size: smaller;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid rgba(59, 130, 246, 0.5);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.4),
                inset 0 0 15px rgba(59, 130, 246, 0.2);
}

.btn-primary:hover {
    background: var(--secondary-blue);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-blue);
    padding: 12px 24px;
    border: 2px solid var(--primary-blue);
    border-radius: 8px;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--white);
}
/* 移动端菜单样式 */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 199;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.side-menu {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100%;
    background: var(--white);
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
    z-index: 200;
    transition: left 0.3s ease;
}

.side-menu.active {
    left: 0;
}

.menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--gray-200);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
}

.user-details h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.user-details p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.menu-close {
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

.menu-close:hover {
    color: var(--text-dark);
}
 /* 弹窗样式 */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 2000;
            backdrop-filter: blur(5px);
            border: 1px solid rgba(0, 0, 0, 0.5);
        }
        
        .modal.active {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .modal-content {
            transform: scale(0.9);
            opacity: 0;
            transition: all 0.3s ease;
            max-width: 500px;
            width: 90%;
            max-height: 90vh;
            overflow-y: auto;
            backdrop-filter: blur(15px);
            background: rgba(0, 0, 0, 0.5);
            
        }
        
        .modal.active .modal-content {
            transform: scale(1);
            opacity: 1;
        }
         /* 视频弹窗样式 */
        .video-modal-content {
            max-width: 800px;
            width: 95%;
        }
        
        .video-container {
            position: relative;
            padding-bottom: 56.25%;
            height: 0;
            overflow: hidden;
            border-radius: 12px;
            margin-bottom: 20px;
        }
        
        .video-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }

 /* 回到顶部按钮 */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(45deg, #667eea, #4668ff);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 1001;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
        }
        
        .back-to-top.show {
            opacity: 0.8;
            visibility: visible;
        }
        
        .back-to-top:hover {
            transform: translateY(-3px);
            opacity: 1;
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
        }

/* 移动端菜单 */
        /* 移动端侧边栏半透明背景 */
        .mobile-menu {
            transform: translateX(100%);
            transition: transform 0.3s ease;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(15px);
            overflow-y: auto;
        }
        
        .mobile-menu.open {
            transform: translateX(0);
        }
        
        /* 移动端底部客服二维码 */
        .mobile-qrcode-section {
            background: rgba(255, 255, 255, 0.08);
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding: 20px;
            text-align: center;
        }
        
        .mobile-qrcode-image {
            width: 100px;
           
            border-radius: 8px;
            margin: 0 auto 10px;
        }


.menu-trigger {
    background: none;
    border: none;
    color: var(--text-dark);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.menu-trigger:hover {
    background: var(--gray-50);
    color: var(--primary-color);
}

/* 主内容区域样式 */
.main-content {
    margin-top: 60px;
    padding: 20px;
    min-height: calc(100vh - 60px);
}

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

.content-container h1 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.content-container p {
    color: var(--text-light);
    margin-bottom: 30px;
}


/*解决方案*/
 .solution-card {
            background: var(--white);
            backdrop-filter: blur(20px);
            border-radius: 20px;
            box-shadow: var(--shadow-light);
           transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
        }
        
        .solution-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
        }
         .industry-icon {
            width: 80px;
            height: 80px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            margin-bottom: 1.5rem;
        }

/* 产品服务 */
.products {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.product-card {
    background: var(--white);
    padding: 30px 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.product-icon {
    margin-bottom: 20px;
}

.product-icon i {
    font-size: 2.5rem;
    color: var(--primary-blue);
}

.product-card h3 {
    font-size: 1.4rem;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.product-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* 核心优势 */
.feature-card {
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(215, 215, 215, 0.85);
}
        
.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}
/* 关于我们 */
.about {
    padding: 80px 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 25px;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}
.about-image img {
    opacity: 1;
    width: 100%;
    border-radius: 12px;
}

.mission-card {
    background: var(--light-blue);
    padding: 25px;
    border-radius: 10px;
    border-left: 4px solid var(--primary-blue);
}

.mission-card p {
    color: var(--dark-blue);
    font-weight: 500;
    margin-bottom: 0;
}
/*解决方案*/
.solution-card {
            background: var(--white);
            backdrop-filter: blur(20px);
            border-radius: 20px;
            box-shadow: var(--shadow-light);
           transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
        }
        
.solution-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
        }
.industry-icon {
            width: 80px;
            height: 80px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            margin-bottom: 1.5rem;
}

/* 页脚 */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
}

.footer-brand .logo {
    color: var(--white);
}

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 20px;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 8px;
    color: var(--gray-200);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    margin-top: 40px;
    text-align: center;
    color: var(--gray-200);
}

/* 模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1100;
    display: none;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.modal-content {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow-medium);
    position: relative;
    transform: scale(0.95);
    opacity: 0;
    transition: all 0.3s ease;
    max-width: 450px;
    width: 100%;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--text-dark);
}

.modal-content h3 {
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 25px;
    color: var(--text-dark);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    color: var(--text-dark);
    font-weight: 600;
}

.form-group input, .form-group textarea {
    padding: 12px 15px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    background: var(--white);
    transition: all 0.3s ease;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.full-width {
    width: 100%;
}

/* 特殊效果 */
.hologram-card {
    background: var(--white);
    backdrop-filter: blur(10px);
    /*border: 1px solid rgba(59, 130, 246, 0.3);*/
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.15);
    position: relative;
    overflow: hidden;
}

.hologram-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    animation: dataFlow 3s ease-in-out infinite;
}

.quantum-leap {
    animation: quantum 4s ease-in-out infinite;
}

.floating {
    animation: floating 6s ease-in-out infinite;
}

.fade-in {
    opacity:1;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes quantum {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes floating {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes dataFlow {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(200%); }
}


ol, ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.text-green-500 {
    --tw-text-opacity: 1;
    color: rgba(16, 185, 129, var(--tw-text-opacity));
}
.mr-2 {
    margin-right: .5rem;
}


.scroll-indicator {
    bottom: 0;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}
 @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateX(-50%) translateY(0);
            }
            40% {
                transform: translateX(-50%) translateY(-10px);
            }
            60% {
                transform: translateX(-50%) translateY(-5px);
            }
}
/* 英雄区域 */
.hero {
    padding: 120px 0 80px;
   
}
.gradient-bg {
    background: linear-gradient(135deg, #fff 0%, #eff 100%);
}
.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
     margin-bottom: 50px;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
}

.highlight {
    color: var(--primary-blue);
}

.hero-text p {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-image img {
    opacity: 1;
    width: 100%;
    border-radius: 12px;
}
/*英雄区子页*/
.hero-cust {
    padding: 80px 0 0;
   
}
.hero-main-body {
    position: relative;
    height: 360px;
    background-color: #fff;
    overflow: hidden;
}
.hero-img-bg {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 360px;
    background-position: center bottom;
    background-size: 1920px 360px;
    background-repeat: no-repeat;
    z-index: 5;
}

.hero-img-bg-mobile {
    display: none;
    z-index: 5;
    background-position: center top;
    background-repeat: no-repeat;
    background-size: cover;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 224px;
}

.hero-gray-bg {
    background-color: #fff;
    overflow: hidden;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 360px;
}
.hero-gray-bg .dark-bg {
    z-index: 4;
    position: absolute;
    left: 0;
    bottom: 0;
    width: 140%;
    height: 150%;
    background: -moz-linear-gradient(top,rgba(26,32,42,1) 0,rgba(15,19,28,.97) 100%);
    background: -webkit-linear-gradient(top, rgba(26, 32, 42, 1) 0, rgba(15, 19, 28, .97) 100%);
    background: linear-gradient(to bottom, rgba(26, 32, 42, 1) 0, rgba(15, 19, 28, .97) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#1a202a', endColorstr='#f70f131c', GradientType=0 );
}
.hero-con-inner {
    font-size: 1.5rem;
    box-sizing: border-box;
    margin: 0 auto;
    max-width: 1200px;
    height: 360px;
    padding: 0 20px;
    z-index: 6;
    position: relative;
}
.hero-con-media {
    display: inline-block;
    vertical-align: middle;
  
    padding-top: 30px;
}
.hero-con-title {
    font-size: 40px;
    line-height: 56px;
    margin-bottom: 18px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-weight:600;
    max-height: 112px;
    word-wrap: break-word;

    color: #ffffffec;
    -webkit-font-smoothing: antialiased;
}
.hero-con-desc {
    line-height: 26px;
    font-size: 20px;
    color: #ffffffe4;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 50px;
    margin: 0 0 20px;
    word-wrap: break-word;
    -webkit-font-smoothing: antialiased;
}
.hero-con-inner::after {
    content: '';
    display: inline-block;
    vertical-align: middle;
    width: 0;
    height: 100%;
}
.fullscreen-bg {
  position: fixed; /* 固定定位 */
  top: 0;
  left: 0;
  width: 100%; /* 或使用vw */
  height: 100%; /* 或使用vh */
  z-index: -1; /* 确保背景在内容之下 */
}

.fullscreen-bg::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('https://img1.baidu.com/it/u=3050640264,2793237763&fm=253&app=138&f=JPEG?w=889&h=500');
  background-repeat:no-repeat;
  background-size:100% 100%;
  z-index: -1; /* 确保背景在内容之下 */
}

/* 响应式设计 */
@media (max-width: 768px) {
      .nav-container {
        padding: 0 15px;
    }
    
    .main-content {
        padding: 15px;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
   
 
}


@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
    }
    .logo-title{
      visibility: hidden;
    }

}