:root {
            --primary-color: #00d2ff;
            --secondary-color: #3a7bd5;
            --accent-color: #8e44ad;
            --text-color: #333;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
            --gradient: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 50%, #8e44ad 100%);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--text-color);
            line-height: 1.6;
            overflow-x: hidden;
            background-color: #f5f7fa;
        }
        
        /* 粒子背景容器 */
        #particles-js {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: 0;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
        }
        
        /* 头部样式 */
        header {
            position: relative;
            z-index: 1;
        }
		.container-logo {
		height: 50px;
		}
        
        .navbar {
            padding: 15px 0;
            transition: all 0.3s ease;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(10px);
        }
        
        .navbar.scrolled {
            padding: 10px 0;
            background: rgba(0, 0, 0, 0.9);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }
        
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        
        .nav-link {
            color: white !important;
            font-weight: 500;
            margin: 0 10px;
            transition: all 0.3s ease;
        }
        
        .nav-link:hover {
            color: var(--primary-color) !important;
        }
        
        .btn-gradient {
            background: var(--gradient);
            color: white;
            border: none;
            border-radius: 50px;
            padding: 10px 25px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0, 210, 255, 0.3);
        }
        
        .btn-gradient:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0, 210, 255, 0.4);
            color: white;
        }
        
    .banner {
        position: relative;
        height: 100vh;
        min-height: 600px;
        display: flex;
        align-items: center;
        color: white;
        overflow: hidden;
        text-align: center;
    }
    
    /* 新增背景图片样式 */
    .banner-bg {
        position: absolute;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        z-index: 0;
        background-image: url('img/lunwenbj.jpg');
        background-size: cover;
        background-position: center;
        /* 可选：添加深色叠加层增强文字可读性 */
        background-color: rgba(0, 0, 0, 0.7);
        background-blend-mode: overlay;
    }
    
    .banner-content {
        position: relative;
        z-index: 2; /* 确保内容在背景上方 */
        width: 100%;
    }
    
    .banner-carousel {
        position: relative;
        height: 400px; /* 固定高度 */
		    margin-top: 150px;
    }
    
    .banner-slide {
        position: absolute;
        width: 100%;
        top: 0;
        left: 0;
        opacity: 0;
        transition: opacity 0.8s ease;
        padding: 0 15px;
		    margin-top: 40px;
    }
    
    .banner-slide.active {
        opacity: 1;
    }
    
    .banner-title {
        font-size: 3.5rem;
        font-weight: 800;
        margin-bottom: 20px;
        line-height: 1.2;
        background: linear-gradient(135deg, #63ff96 0%, #ffbd00 100%);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
    
    .banner-desc {
        font-size: 1.5rem;
        margin-bottom: 30px;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
        opacity: 0.9;
    }
    
    .banner-indicators {
        display: flex;
        justify-content: center;
        margin-top: 30px;
    }
    
    .indicator {
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.5);
        margin: 0 8px;
        cursor: pointer;
        transition: all 0.3s ease;
    }
    
    .indicator.active {
        background: white;
        transform: scale(1.2);
    }
    
    @media (max-width: 768px) {
        .banner-title {
            font-size: 2.5rem;
        }
        
        .banner-desc {
            font-size: 1.2rem;
        }
    }
    
    @media (max-width: 576px) {
        .banner-title {
            font-size: 2rem;
        }
        
        .banner-desc {
            font-size: 1rem;
        }
    }
        
        /* 核心功能区域 */
        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 50px;
            text-align: center;
            position: relative;
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        
        .section-title:after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--gradient);
            border-radius: 2px;
        }
        
        .feature-tabs {
            display: flex;
            justify-content: center;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }
        
        .feature-tab {
            padding: 12px 25px;
            margin: 0 10px 15px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid transparent;
            background: white;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .feature-tab.active {
            background: var(--gradient);
            color: white;
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 210, 255, 0.3);
        }
        
        .feature-tab:not(.active):hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
        }
        
        .feature-content {
            display: none;
            animation: fadeIn 0.5s ease;
        }
        
        .feature-content.active {
            display: block;
        }
        
        .feature-item {
            background: white;
            border-radius: 10px;
            padding: 30px;
            margin-bottom: 20px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            border-left: 4px solid var(--primary-color);
        }
        
        .feature-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 210, 255, 0.1);
        }
        
        .feature-item h4 {
            font-weight: 700;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        
        .feature-item i {
            margin-right: 10px;
            color: var(--primary-color);
            font-size: 1.2rem;
        }
        
        /* 分割页样式 */
        .divider-section {
            padding: 80px 0;
            text-align: center;
            position: relative;
            background: var(--gradient);
            color: white;
        }
        
        .divider-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 20px;
        }
        
        .divider-desc {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto;
            opacity: 0.9;
        }
        
        /* 论文模板区域 */
        .template-tabs {
            display: flex;
            overflow-x: auto;
            padding-bottom: 15px;
            margin-bottom: 30px;
            scrollbar-width: thin;
            scrollbar-color: var(--primary-color) #f1f1f1;
        }
        
        .template-tabs::-webkit-scrollbar {
            height: 6px;
        }
        
        .template-tabs::-webkit-scrollbar-track {
            background: #f1f1f1;
            border-radius: 10px;
        }
        
        .template-tabs::-webkit-scrollbar-thumb {
            background: var(--primary-color);
            border-radius: 10px;
        }
        
        .template-tab {
            padding: 10px 25px;
            margin-right: 10px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
            background: white;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
            border: 1px solid #eee;
        }
        
        .template-tab.active {
            background: var(--gradient);
            color: white;
            border-color: transparent;
        }
        
        .template-tab:not(.active):hover {
            background: #f8f9fa;
        }
        
        .template-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
        }
        
        .template-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        
        .template-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 210, 255, 0.1);
        }
        
        .template-img {
            height: 180px;
            background-size: cover;
            background-position: center;
        }
        
        .template-body {
            padding: 20px;
        }
        
        .template-title {
            font-weight: 700;
            margin-bottom: 10px;
            font-size: 1.1rem;
        }
        
        .template-desc {
            color: #666;
            margin-bottom: 15px;
            font-size: 0.9rem;
        }
        
        .btn-download {
            background: var(--gradient);
            color: white;
            border: none;
            border-radius: 5px;
            padding: 8px 15px;
            font-size: 0.9rem;
            transition: all 0.3s ease;
            display: inline-block;
            text-decoration: none;
        }
        
        .btn-download:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 210, 255, 0.3);
            color: white;
        }
        
        .btn-more {
            display: block;
            text-align: center;
            margin-top: 30px;
            color: var(--primary-color);
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .btn-more:hover {
            color: var(--accent-color);
        }
        
        /* 资讯区域 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }
        
        .news-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        
        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 210, 255, 0.1);
        }
        
        .news-img {
            height: 200px;
            background-size: cover;
            background-position: center;
        }
        
        .news-body {
            padding: 25px;
        }
        
        .news-title {
            font-weight: 700;
            margin-bottom: 15px;
            font-size: 1.2rem;
        }
        
        .news-desc {
            color: #666;
            margin-bottom: 20px;
        }
        
        .btn-read {
            background: transparent;
            color: var(--primary-color);
            border: 1px solid var(--primary-color);
            border-radius: 5px;
            padding: 8px 20px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .btn-read:hover {
            background: var(--primary-color);
            color: white;
        }
        
        /* 底部样式 */
        footer {
            background: var(--dark-color);
            color: white;
            padding: 60px 0 20px;
        }
        
        .footer-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        
        .footer-links {
            list-style: none;
            padding: 0;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #aaa;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        
        .social-links {
            display: flex;
            margin-top: 20px;
        }
        
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            margin-right: 10px;
            transition: all 0.3s ease;
        }
        
        .social-links a:hover {
            background: var(--primary-color);
            transform: translateY(-3px);
        }
        
        .friend-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            margin: 30px 0;
        }
        
        .friend-links a {
            color: #aaa;
            margin: 0 15px;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .friend-links a:hover {
            color: var(--primary-color);
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            margin-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        
        /* 动画效果 */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .animate-on-scroll {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease;
        }
        
        .animate-on-scroll.animated {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .banner-title {
                font-size: 2.8rem;
            }
            
            .section-title {
                font-size: 2.2rem;
            }
            
            .divider-title {
                font-size: 2rem;
            }
        }
        
        @media (max-width: 768px) {
            .banner-title {
                font-size: 2.2rem;
            }
            
            .banner-desc {
                font-size: 1rem;
            }
            
            .section-title {
                font-size: 1.8rem;
            }
            
            .feature-tab {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            
            .divider-title {
                font-size: 1.8rem;
            }
            
            .news-grid {
                grid-template-columns: 1fr;
            }
            
            .template-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 576px) {
            .banner-title {
                font-size: 1.8rem;
            }
            
            .navbar-brand {
                font-size: 1.2rem;
            }
            
            .feature-tabs {
                flex-direction: column;
                align-items: center;
            }
            
            .feature-tab {
                width: 100%;
                max-width: 300px;
                margin: 5px 0;
                text-align: center;
            }
            
            .template-tabs {
                padding-bottom: 10px;
            }
            
            .template-tab {
                padding: 8px 15px;
                font-size: 0.9rem;
            }
        }