/* 重置样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: "Microsoft YaHei", sans-serif;
            line-height: 1.6;
            color: #333;
        }

        /* 头部样式 */
        .header {
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
            padding: 20px 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 100;
        }

        .nav {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            width: 180px;
        }

        .nav-links {
            display: flex;
            gap: 30px;
        }

        .nav-links a {
            color: #fff;
            text-decoration: none;
            font-size: 16px;
            transition: all 0.3s;
        }

        .nav-links a:hover {
            color: #ffd700;
        }

        /* Banner样式优化 */
        .banner {
            background: linear-gradient(125deg, #00264D, #004D99, #0073E6, #2B95FF);
            background-size: 400% 400%;
            animation: gradientBG 15s ease infinite;
            padding: 200px 0 150px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        /* 添加动态粒子效果 */
        .banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: 
                radial-gradient(circle at 25% 25%, rgba(255,255,255,0.2) 1px, transparent 1px),
                radial-gradient(circle at 75% 75%, rgba(255,255,255,0.2) 1px, transparent 1px);
            background-size: 100px 100px;
            animation: sparkle 20s linear infinite;
        }

        /* 添加波浪效果 */
        .banner::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 100px;
            background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='rgba(255,255,255,0.1)' d='M0,128L48,144C96,160,192,192,288,197.3C384,203,480,181,576,181.3C672,181,768,203,864,197.3C960,192,1056,160,1152,144C1248,128,1344,128,1392,128L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E");
            background-size: 100% 100%;
            animation: wave 10s linear infinite;
        }

        @keyframes sparkle {
            0% {
                transform: translateY(0);
                opacity: 0.5;
            }
            50% {
                transform: translateY(-50px);
                opacity: 0.7;
            }
            100% {
                transform: translateY(-100px);
                opacity: 0.5;
            }
        }

        @keyframes wave {
            0% {
                transform: translateX(0);
            }
            50% {
                transform: translateX(-50%);
            }
            100% {
                transform: translateX(-100%);
            }
        }

        @keyframes gradientBG {
            0% {
                background-position: 0% 50%;
            }
            50% {
                background-position: 100% 50%;
            }
            100% {
                background-position: 0% 50%;
            }
        }

        .banner h1 {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 40px;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
            position: relative;
            z-index: 2;
            letter-spacing: 1px;
        }

        .banner-desc {
            max-width: 900px;
            margin: 0 auto 60px;
            font-size: 20px;
            line-height: 1.8;
            position: relative;
            z-index: 2;
            text-shadow: 1px 1px 4px rgba(0,0,0,0.2);
            opacity: 0.95;
        }

        .banner-btns {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: center;
            gap: 30px;
        }

        /* 按钮样式优化 */
        .btn {
            padding: 20px 50px;
            font-size: 18px;
            font-weight: 600;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
            border: none;
            outline: none;
        }

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

        .btn-primary {
            background: linear-gradient(45deg, #2B95FF, #0073E6);
            color: #fff;
            box-shadow: 0 10px 20px rgba(43,149,255,0.3);
        }

        .btn-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(120deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: 0.5s;
        }

        .btn-primary:hover::before {
            left: 100%;
        }

        .btn-primary:hover {
            background: linear-gradient(45deg, #0073E6, #2B95FF);
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(43,149,255,0.4);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.8);
            box-shadow: 0 10px 20px rgba(255,255,255,0.1);
        }

        .btn-outline::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(120deg, transparent, rgba(255,255,255,0.2), transparent);
            transition: 0.5s;
        }

        .btn-outline:hover::before {
            left: 100%;
        }

        .btn-outline:hover {
            background: rgba(255,255,255,0.1);
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255,255,255,0.2);
            border-color: #fff;
        }

        /* 主要内容区域 */
        .main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 60px 20px;
        }

        .section {
            margin-bottom: 80px;
        }

        .section-title {
            font-size: 28px;
            color: #1e3c72;
            margin-bottom: 30px;
            text-align: center;
        }

        /* 查重系统介绍 */
        .intro {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 60px;
        }

        .intro-item {
            background: #f8f9fa;
            padding: 30px;
            border-radius: 10px;
            text-align: center;
        }

        .intro-item i {
            font-size: 48px;
            color: #1e3c72;
            margin-bottom: 20px;
        }

        /* 产品优势 */
        .advantages {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .advantage-item {
            padding: 30px;
            border: 1px solid #eee;
            border-radius: 10px;
            transition: all 0.3s;
        }

        .advantage-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        /* 查重流程 */
        .steps {
            display: flex;
            justify-content: space-between;
            margin-top: 40px;
        }

        .step-item {
            text-align: center;
            flex: 1;
            position: relative;
        }

        .step-item:not(:last-child)::after {
            content: "";
            position: absolute;
            top: 30px;
            right: -50px;
            width: 100px;
            height: 2px;
            background: #1e3c72;
        }

        .step-num {
            width: 60px;
            height: 60px;
            line-height: 60px;
            background: #1e3c72;
            color: #fff;
            border-radius: 50%;
            margin: 0 auto 20px;
            font-size: 24px;
        }

        /* 价格表格 */
        .price-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 40px;
        }

        .price-table th,
        .price-table td {
            padding: 15px;
            text-align: center;
            border: 1px solid #eee;
        }

        .price-table th {
            background: #1e3c72;
            color: #fff;
        }

        .price-table tr:nth-child(even) {
            background: #f8f9fa;
        }

        /* 用户评价 */
        .testimonials {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .testimonial-item {
            background: #f8f9fa;
            padding: 30px;
            border-radius: 10px;
            position: relative;
        }

        .testimonial-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            margin-bottom: 20px;
        }

        /* 常见问题 */
        .faq-item {
            margin-bottom: 20px;
            padding: 20px;
            background: #f8f9fa;
            border-radius: 10px;
        }

        .faq-question {
            font-weight: bold;
            margin-bottom: 10px;
            color: #1e3c72;
        }

        /* 页脚 */
        .footer {
            background: #1e3c72;
            color: #fff;
            padding: 60px 0 30px;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
        }

        .footer-col h3 {
            margin-bottom: 20px;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-bottom {
            text-align: center;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .intro,
            .advantages,
            .testimonials,
            .footer-content {
                grid-template-columns: 1fr;
            }

            .steps {
                flex-direction: column;
                gap: 30px;
            }

            .step-item:not(:last-child)::after {
                display: none;
            }
        }

        /* 新增快捷导航样式 */
        .quick-nav {
            position: fixed;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 99;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .quick-nav-item {
            width: 40px;
            height: 40px;
            background: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            cursor: pointer;
            transition: all 0.3s;
        }

        .quick-nav-item:hover {
            background: #1e3c72;
            color: #fff;
        }

        /* 字体调节工具 */
        .font-tools {
            position: fixed;
            left: 20px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 99;
        }

        /* 数据统计样式 */
        .stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin: 40px 0;
        }

        .stat-item {
            text-align: center;
            padding: 30px;
            background: #f8f9fa;
            border-radius: 10px;
        }

        .stat-num {
            font-size: 36px;
            color: #1e3c72;
            font-weight: bold;
        }

        /* 合作伙伴样式 */
        .partners {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 20px;
            margin: 40px 0;
        }

        .partner-item {
            padding: 20px;
            background: #f8f9fa;
            border-radius: 10px;
            text-align: center;
        }

        /* 系统介绍样式优化 */
        .intro-desc {
            font-size: 16px;
            line-height: 1.8;
            color: #666;
            margin-bottom: 40px;
            text-align: justify;
            padding: 20px;
            background: #f8f9fa;
            border-radius: 10px;
            border-left: 4px solid #1e3c72;
        }

        .intro-features {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .feature-item {
            padding: 30px;
            background: #fff;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: all 0.3s;
        }

        .feature-item:hover {
            transform: translateY(-5px);
        }

        .feature-item i {
            font-size: 40px;
            color: #1e3c72;
            margin-bottom: 20px;
        }

        .feature-item h3 {
            color: #333;
            margin-bottom: 15px;
            font-size: 20px;
        }

        .feature-item ul {
            list-style: none;
        }

        .feature-item ul li {
            margin: 10px 0;
            color: #666;
            padding-left: 20px;
            position: relative;
        }

        .feature-item ul li:before {
            content: "✓";
            color: #1e3c72;
            position: absolute;
            left: 0;
        }

        /* 查重原理样式优化 */
        .principle-content {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .principle-item {
            padding: 30px;
            background: #fff;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .principle-item h3 {
            color: #1e3c72;
            font-size: 20px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #1e3c72;
        }

        .principle-item p {
            color: #666;
            margin-bottom: 15px;
        }

        .principle-item ul {
            list-style: none;
        }

        .principle-item ul li {
            margin: 10px 0;
            color: #666;
            padding-left: 25px;
            position: relative;
        }

        .principle-item ul li:before {
            content: "•";
            color: #1e3c72;
            position: absolute;
            left: 10px;
            font-size: 20px;
        }

        /* 温馨提示样式优化 */
        .tips {
            padding: 30px;
            background: #fff;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .tips h3 {
            color: #1e3c72;
            font-size: 20px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #1e3c72;
        }

        .tips ol {
            padding-left: 20px;
        }

        .tips ol li {
            margin: 15px 0;
            color: #666;
            line-height: 1.6;
        }

        /* 学术规范指南样式优化 */
        .guide-content {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .guide-item {
            padding: 30px;
            background: #fff;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .guide-item h3 {
            color: #1e3c72;
            font-size: 20px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #1e3c72;
        }

        .guide-item p {
            color: #666;
            line-height: 1.8;
        }

        /* 成功案例样式优化 */
        .cases {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .case-item {
            padding: 30px;
            background: #fff;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: all 0.3s;
        }

        .case-item:hover {
            transform: translateY(-5px);
        }

        .case-item h3 {
            color: #1e3c72;
            font-size: 20px;
            margin-bottom: 15px;
        }

        .case-item p {
            color: #666;
            line-height: 1.8;
        }