/* 全局样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }

        :root {
            --primary-color: #2563eb;
            --secondary-color: #1e40af;
            --accent-color: #3b82f6;
            --light-color: #f8fafc;
            --dark-color: #1e293b;
            --text-color: #334155;
            --border-color: #e2e8f0;
            --success-color: #10b981;
            --warning-color: #f59e0b;
            --danger-color: #ef4444;
            --info-color: #3b82f6;
            --gray-50: #f9fafb;
            --gray-100: #f3f4f6;
            --gray-200: #e5e7eb;
            --gray-600: #4b5563;
            --gray-700: #374151;
            --gray-800: #1f2937;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            color: var(--text-color);
            line-height: 1.6;
            background-color: #ffffff;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        /* 导航栏样式 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--dark-color);
        }

        .logo span {
            color: var(--primary-color);
        }

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

        .nav-links a {
            font-weight: 600;
            position: relative;
            padding: 5px 0;
        }

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

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

        .nav-links a.active {
            color: var(--primary-color);
        }

        .mobile-menu-btn {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--dark-color);
        }

        /* 英雄区域 */
        .article-hero {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: white;
            padding: 150px 0 80px;
            margin-top: 80px;
            position: relative;
            overflow: hidden;
        }

        .hero-background {
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: linear-gradient(45deg, rgba(37, 99, 235, 0.1), rgba(16, 185, 129, 0.1));
            clip-path: polygon(100% 0, 100% 100%, 0 100%);
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }

        .hero-subtitle {
            color: var(--accent-color);
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 15px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .hero-title {
            font-size: 3.5rem;
            line-height: 1.2;
            margin-bottom: 25px;
            font-weight: 800;
            background: linear-gradient(90deg, #ffffff, #93c5fd);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-intro {
            font-size: 1.3rem;
            line-height: 1.8;
            margin-bottom: 40px;
            color: #cbd5e1;
        }


        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-color);
            display: block;
            line-height: 1;
        }

        .stat-label {
            font-size: 0.9rem;
            color: #94a3b8;
            margin-top: 5px;
        }

        /* 挑战与解决方案 */
        .challenge-section {
            padding: 80px 0;
            background: var(--light-color);
        }

        .challenge-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
            margin-top: 50px;
        }

        .challenge-card {
            background: white;
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease;
        }

        .challenge-card:hover {
            transform: translateY(-10px);
        }

        .challenge-card.danger {
            border-top: 4px solid var(--danger-color);
        }

        .challenge-card.success {
            border-top: 4px solid var(--success-color);
        }

        .challenge-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }

        .challenge-card.danger .challenge-icon {
            color: var(--danger-color);
        }

        .challenge-card.success .challenge-icon {
            color: var(--success-color);
        }

        .challenge-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--dark-color);
        }

        /* 核心功能展示 */
        .features-section {
            padding: 80px 0;
        }

        .features-container {
            max-width: 900px;
            margin: 0 auto;
        }

        .feature-block {
            background: linear-gradient(135deg, #ffffff, #f8fafc);
            border-radius: 16px;
            padding: 50px;
            margin-bottom: 40px;
            border: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .feature-block::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 6px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
        }

        .feature-header {
            display: flex;
            align-items: center;
            margin-bottom: 30px;
        }

        .feature-number {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            border-radius: 50%;
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 800;
            margin-right: 20px;
            flex-shrink: 0;
        }

        .feature-title {
            font-size: 1.8rem;
            color: var(--dark-color);
            line-height: 1.3;
        }

        .feature-content {
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--gray-800);
        }

        .feature-list {
            margin-top: 25px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px;
            background: rgba(37, 99, 235, 0.05);
            border-radius: 8px;
            border-left: 4px solid var(--primary-color);
        }

        .feature-item i {
            color: var(--success-color);
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .time-saving {
            background: linear-gradient(135deg, #10b981, #34d399);
            color: white;
            padding: 25px;
            border-radius: 12px;
            text-align: center;
            margin-top: 30px;
        }

        .time-saving h4 {
            font-size: 1.5rem;
            margin-bottom: 10px;
        }

        /* 模块集成展示 */
        .modules-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
        }

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

        .module-item {
            background: white;
            border-radius: 12px;
            padding: 25px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }

        .module-item:hover {
            border-color: var(--primary-color);
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(37, 99, 235, 0.15);
        }

        .module-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            color: white;
            font-size: 1.5rem;
        }

        .module-item h4 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            color: var(--dark-color);
        }

        .module-connection {
            position: relative;
            height: 2px;
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
            margin: 20px 0;
            opacity: 0.3;
        }

        /* 目标与价值 */
        .goals-section {
            padding: 80px 0;
            background: white;
        }

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

        .goal-card {
            background: linear-gradient(135deg, #ffffff, #f8fafc);
            border-radius: 12px;
            padding: 40px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

        .goal-card:hover {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: white;
            transform: translateY(-10px);
        }

        .goal-card:hover .goal-icon {
            color: white;
        }

        .goal-card:hover .goal-title,
        .goal-card:hover .goal-value {
            color: white;
        }

        .goal-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }

        .goal-title {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: var(--dark-color);
        }

        .goal-value {
            font-size: 1.1rem;
            color: var(--gray-700);
        }

        .timeline-comparison {
            margin-top: 50px;
            background: var(--light-color);
            padding: 40px;
            border-radius: 12px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .timeline-before, .timeline-after {
            text-align: center;
        }

        .timeline-label {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 15px;
            color: var(--dark-color);
        }

        .timeline-time {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-color);
        }

        .timeline-after .timeline-time {
            color: var(--success-color);
        }

        .timeline-arrow {
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-color);
            font-size: 2rem;
        }

        /* 行动号召 */
        .cta-section {
            padding: 100px 0;
            background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
            color: white;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-background {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100"><path fill="rgba(255,255,255,0.05)" d="M0,0 L1000,0 L1000,100 L0,100 Z"/></svg>');
            background-size: 1000px 100px;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
        }

        .cta-title {
            font-size: 2.8rem;
            margin-bottom: 20px;
            font-weight: 800;
        }

        .cta-text {
            font-size: 1.2rem;
            line-height: 1.8;
            margin-bottom: 40px;
            opacity: 0.9;
        }

        .cta-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-block;
            padding: 16px 40px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            text-decoration: none;
        }

        .btn-primary {
            background: white;
            color: var(--primary-color);
        }

        .btn-primary:hover {
            background: var(--light-color);
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: white;
            border: 2px solid white;
        }

        .btn-outline:hover {
            background: white;
            color: var(--primary-color);
            transform: translateY(-3px);
        }

        /* 页脚样式 */
        footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 60px 0 20px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-column h3 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }

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

        .footer-links a:hover {
            color: var(--accent-color);
        }

        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
        }

        /* 响应式设计 */
        @media (max-width: 992px) {
            .features-grid,
            .challenge-grid,
            .modules-grid,
            .goals-container {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .feature-list {
                grid-template-columns: 1fr;
            }
            
            .timeline-comparison {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .timeline-arrow {
                transform: rotate(90deg);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: white;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
            }

            .nav-links.active {
                display: flex;
            }

            .mobile-menu-btn {
                display: block;
            }

            .hero-title {
                font-size: 2.5rem;
            }
            
            .hero-intro {
                font-size: 1.1rem;
            }
            
            .feature-block {
                padding: 30px 20px;
            }
            
            .features-grid,
            .challenge-grid,
            .modules-grid,
            .goals-container {
                grid-template-columns: 1fr;
            }
            
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .cta-buttons {
                flex-direction: column;
            }
            
            .btn {
                width: 100%;
                text-align: center;
            }
        }

        @media (max-width: 576px) {
            .hero-title {
                font-size: 2rem;
            }
            
           
            .stat-number {
                font-size: 2rem;
            }
            
            .cta-title {
                font-size: 2rem;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
            }
        }