/* 基础样式与MC配色 */
        :root {
            --mc-green: #5B8C29;
            --mc-dark-green: #3B5C1A;
            --mc-blue: #3C44AA;
            --mc-dark-blue: #232C7A;
            --mc-brown: #8B6B4D;
            --mc-dark-brown: #6B4B2D;
            --mc-light: #F0F0F0;
            --mc-dark: #0A0A14;
            --mc-darker: #050510;
            --mc-gray: #7D7D7D;
            --mc-grass: #5B8C29;
            --mc-dirt: #8B6B4D;
            --mc-stone: #7D7D7D;
            --mc-water: #3C44AA;
            --mc-lava: #FF6A00;
            --mc-glow: #5CFF6D;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: var(--mc-darker);
            color: var(--mc-light);
            line-height: 1.6;
            overflow-x: hidden;
            background: linear-gradient(135deg, var(--mc-darker) 0%, var(--mc-dark) 100%);
            padding-top: 80px;
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            user-select: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 导航栏样式 - 优化后的响应式设计 */
        header {
            background-color: rgba(10, 10, 20, 0.95);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 100;
            padding: 12px 0;
            box-shadow: 0 4px 20px rgba(92, 255, 109, 0.2);
            backdrop-filter: blur(10px);
        }

        .nav-container {
            width: 100%;
            padding: 0 20px;
        }

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

        /* 移动端导航菜单 - 默认隐藏 */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--mc-light);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 5px;
        }

        /* 移动端导航菜单 - 默认隐藏 */
        #mobileNav {
            display: none;
        }

        /* 导航菜单居中 - PC端 */
        nav {
            flex: 1;
            display: flex;
            justify-content: center;
        }

        .logo {
            display: flex;
            align-items: center;
            min-width: 200px;
        }

        .logo-icon {
            width: 45px;
            height: 45px;
            margin-right: 12px;
            position: relative;
            animation: pulse 2s infinite;
        }

        .logo-text {
            font-size: 1.4rem;
            color: var(--mc-light);
            text-shadow: 0 0 10px rgba(92, 255, 109, 0.7);
            font-weight: bold;
        }

        .logo-text span {
            color: var(--mc-glow);
        }

        nav ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            justify-content: center;
        }

        nav li {
            margin: 0 8px;
        }

        nav a {
            color: var(--mc-light);
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            padding: 8px 14px;
            border-radius: 20px;
            position: relative;
            font-size: 0.9rem;
            white-space: nowrap;
        }

        nav a:hover {
            color: var(--mc-glow);
            background: rgba(92, 255, 109, 0.1);
            text-shadow: 0 0 8px rgba(92, 255, 109, 0.8);
        }

        .cta-button {
            background: linear-gradient(135deg, var(--mc-green), var(--mc-glow));
            color: var(--mc-dark);
            padding: 12px 28px;
            border: none;
            border-radius: 25px;
            cursor: pointer;
            font-weight: bold;
            transition: all 0.3s;
            text-decoration: none;
            display: inline-block;
            box-shadow: 0 4px 15px rgba(92, 255, 109, 0.4);
            position: relative;
            overflow: hidden;
        }

        .cta-button:before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: 0.5s;
        }

        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(92, 255, 109, 0.6);
        }

        .cta-button:hover:before {
            left: 100%;
        }

        /* 英雄区域样式 */
        .hero {
            background-image: url('/img/icon/wd.jpg');
            background-repeat: no-repeat;
            background-position: center center; /* 水平居中 垂直居中 */
            background-size: cover; /* 或 contain */
            padding: 180px 0 120px;
            text-align: center;
            position: relative;
            overflow: hidden;
            min-height: 100vh;
            display: flex;
            align-items: center;
        }

        .hero h1 {
            font-size: 4rem;
            margin-bottom: 25px;
            text-shadow: 0 0 20px rgba(92, 255, 109, 0.8);
            color: var(--mc-glow);
            font-weight: 800;
            line-height: 1.1;
        }

        .hero p {
            font-size: 1.4rem;
            max-width: 800px;
            margin: 0 auto 40px;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 300;
        }

        /* 学院特色区域 */
        .academy-features {
            padding: 100px 0;
            background: var(--mc-dark);
            position: relative;
        }

        .section-title {
            text-align: center;
            margin-bottom: 70px;
            font-size: 2.8rem;
            color: var(--mc-glow);
            text-shadow: 0 0 15px rgba(92, 255, 109, 0.6);
            position: relative;
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
        }

        .section-title:after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 25%;
            width: 50%;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--mc-glow), transparent);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 40px;
        }

        .feature-card {
            background: rgba(20, 20, 30, 0.7);
            border-radius: 15px;
            padding: 40px 30px;
            text-align: center;
            border: 1px solid rgba(92, 255, 109, 0.2);
            transition: all 0.4s;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(5px);
        }

        .feature-card:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--mc-green), var(--mc-glow));
        }

        .feature-card:hover {
            transform: translateY(-15px);
            border-color: rgba(92, 255, 109, 0.5);
            box-shadow: 0 15px 40px rgba(92, 255, 109, 0.2);
        }

        .feature-icon {
            font-size: 3.5rem;
            margin-bottom: 25px;
            color: var(--mc-glow);
            filter: drop-shadow(0 0 10px rgba(92, 255, 109, 0.7));
        }

        .feature-card h3 {
            margin-bottom: 20px;
            color: var(--mc-glow);
            font-size: 1.5rem;
        }

        .feature-card p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 20px;
        }

        /* 课程区域样式 */
        .courses {
            padding: 100px 0;
            background: var(--mc-darker);
            position: relative;
        }

        .course-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
        }

        .course-card {
            background: rgba(25, 25, 35, 0.8);
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid rgba(92, 255, 109, 0.1);
            transition: all 0.4s;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            position: relative;
            cursor: pointer;
        }

        .course-card:hover {
            transform: translateY(-15px) scale(1.02);
            border-color: rgba(92, 255, 109, 0.4);
            box-shadow: 0 20px 40px rgba(92, 255, 109, 0.2);
        }

        .course-header {
            padding: 10px 10px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .course-header:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
            transform: translateX(-100%);
        }

        .course-card:hover .course-header:before {
            transform: translateX(100%);
            transition: transform 0.8s;
        }

        .course-icon {
            font-size: 3rem;
            margin-bottom: 15px;
            filter: drop-shadow(0 0 5px rgba(0,0,0,0.5));
        }

        .course-body {
            padding: 30px 25px;
            color:#F0F0F0;
        }

        .course-features {
            list-style: none;
            margin: 25px 0;
        }

        .course-features li {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            position: relative;
            padding-left: 35px;
            color: rgba(255, 255, 255, 0.9);
        }

        .course-features li:before {
            content: "■";
            color: var(--mc-glow);
            position: absolute;
            left: 0;
            font-size: 1.2rem;
            text-shadow: 0 0 8px rgba(92, 255, 109, 0.8);
        }

        /* 学员作品区域 */
        .student-works {
            padding: 100px 0;
            background: var(--mc-dark);
            position: relative;
        }

        .works-gallery {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 30px;
        }

        .work-item {
            height: 240px;
            background: linear-gradient(135deg, var(--mc-brown), var(--mc-dark-brown));
            border: 2px solid rgba(92, 255, 109, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
            transition: all 0.4s;
        }

        .work-item:hover {
            transform: translateY(-10px) scale(1.03);
            border-color: rgba(92, 255, 109, 0.5);
            box-shadow: 0 15px 35px rgba(92, 255, 109, 0.3);
        }

        .work-item:before {
            content: "探索作品";
            position: absolute;
            background: linear-gradient(135deg, rgba(92, 255, 109, 0.9), rgba(60, 68, 170, 0.9));
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: all 0.4s;
            color: white;
            font-weight: bold;
            font-size: 1.4rem;
            text-shadow: 0 0 10px rgba(0,0,0,0.5);
        }

        .work-item:hover:before {
            opacity: 1;
        }

        /* 页脚样式 */
        footer {
            background: linear-gradient(135deg, var(--mc-dark), var(--mc-darker));
            padding: 70px 0 30px;
            position: relative;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 50px;
            margin-bottom: 40px;
        }
        .footer-section {
            color:#BBB;
        }

        .footer-section h3 {
            color: var(--mc-glow);
            margin-bottom: 25px;
            font-size: 1.3rem;
            text-shadow: 0 0 10px rgba(92, 255, 109, 0.5);
        }

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

        .footer-section li {
            margin-bottom: 12px;
        }

        .footer-section a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: all 0.3s;
        }

        .footer-section a:hover {
            color: var(--mc-glow);
            text-shadow: 0 0 8px rgba(92, 255, 109, 0.8);
            padding-left: 5px;
        }

        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(92, 255, 109, 0.2);
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
        }

        /* 新增样式 - 作品展示和精品教程 */
        .project-card {
            background: rgba(25, 25, 35, 0.8);
            border-radius: 15px;
            overflow: hidden;
            border: 1px solid rgba(92, 255, 109, 0.1);
            transition: all 0.4s;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            position: relative;
            height: 100%;
        }

        .project-card:hover {
            transform: translateY(-10px);
            border-color: rgba(92, 255, 109, 0.4);
            box-shadow: 0 15px 35px rgba(92, 255, 109, 0.2);
        }

        .project-image {
            width: 100%;
            height: 270px;
            object-fit: cover;
        }

        .project-info {
            padding: 20px;
        }

        .project-title {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: #F0F0F0;
        }

        .project-stats {
            display: flex;
            justify-content: space-between;
            margin-bottom: 15px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .project-author {
            display: flex;
            align-items: center;
            margin-top: 15px;
        }

        .author-avatar {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            margin-right: 10px;
        }

        .course-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 30px;
        }

        .course-card-small {
            background: rgba(25, 25, 35, 0.8);
            border-radius: 15px;
            overflow: hidden;
            border: 1px solid rgba(92, 255, 109, 0.1);
            transition: all 0.4s;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            position: relative;
        }

        .course-card-small:hover {
            transform: translateY(-10px);
            border-color: rgba(92, 255, 109, 0.4);
            box-shadow: 0 15px 35px rgba(92, 255, 109, 0.2);
        }

        .course-cover {
            width: 100%;
            height: 240px;
            object-fit: cover;
        }

        .course-title {
            padding: 15px;
            font-size: 1.1rem;
            color: #F0F0F0;
            text-align: center;
        }

        .login-nickname {
            font-size: 12px;
            margin-left: 20px;
        }

        .coming-soon {
            position: relative;
        }

        .coming-soon::after {
            content: "火热进行中";
            position: absolute;
            top: -8px;
            right: -5px;
            background: var(--mc-lava);
            color: white;
            font-size: 0.6rem;
            padding: 2px 5px;
            border-radius: 10px;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { opacity: 0.7; }
            50% { opacity: 1; }
            100% { opacity: 0.7; }
        }

        /* 课程卡片链接样式 */
        .course-card-link {
            text-decoration: none;
            color: inherit;
            display: block;
        }

        /* MC方块动画 */
        @keyframes float {
            0%, 100% { transform: translateY(0) rotate(0); }
            33% { transform: translateY(-20px) rotate(90deg); }
            66% { transform: translateY(-10px) rotate(180deg); }
        }

        .floating-block {
            animation: float 6s ease-in-out infinite;
            position: absolute;
            width: 40px;
            height: 40px;
            box-shadow: 0 0 15px rgba(92, 255, 109, 0.5);
            z-index: 1;
        }

        .block-1 {
            top: 20%;
            left: 10%;
            background: linear-gradient(135deg, var(--mc-green), var(--mc-glow));
            animation-delay: 0s;
        }

        .block-2 {
            top: 30%;
            right: 15%;
            background: linear-gradient(135deg, var(--mc-blue), #5C8CFF);
            animation-delay: 2s;
        }

        .block-3 {
            bottom: 40%;
            left: 20%;
            background: linear-gradient(135deg, var(--mc-brown), #C8A86D);
            animation-delay: 4s;
        }

        /* MC进度条 */
        .mc-progress {
            height: 25px;
            background: rgba(30, 30, 40, 0.8);
            border-radius: 12px;
            overflow: hidden;
            margin: 15px 0;
            position: relative;
            box-shadow: inset 0 0 10px rgba(0,0,0,0.5);
            border: 1px solid rgba(92, 255, 109, 0.2);
        }

        .mc-progress-bar {
            height: 100%;
            background: linear-gradient(90deg, var(--mc-green), var(--mc-glow));
            border-radius: 12px;
            width: 0;
            transition: width 1.5s ease-in-out;
            position: relative;
            overflow: hidden;
        }

        .mc-progress-bar:after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transform: translateX(-100%);
            animation: shine 2s infinite;
        }

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

        .mc-progress-text {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            text-align: center;
            font-size: 0.9rem;
            line-height: 25px;
            color: white;
            text-shadow: 0 0 5px rgba(0,0,0,0.8);
            font-weight: bold;
        }

        /* 粒子背景 */
        #particles-js {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: 0;
        }

        .content-overlay {
            position: relative;
            z-index: 2;
        }

        /* 登录按钮样式 */
        .login-nickname {
            height: 30px;
            padding:2px 15px;
            font-size: 16px;
            font-weight: 500;
            color: #5CFF6D;
            border: 2px solid #5CFF6D;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 2px 10px rgba(74, 110, 224, 0.2);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .login-nickname:hover {
            background-color: #5CFF6D;
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(74, 110, 224, 0.4);
        }
        
        .login-nickname:active {
            transform: translateY(0);
        }
        
        /* 添加一个微妙的发光效果 */
        .login-nickname::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            border-radius: 8px;
            box-shadow: 0 0 8px rgba(74, 110, 224, 0.6);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .login-nickname:hover::after {
            opacity: 1;
        }

        /* 推荐作品和精品课程区域样式 */
        .recommended-works {
            padding: 100px 0;
            background: var(--mc-dark);
            position: relative;
        }

        .recommended-courses {
            padding: 100px 0;
            background: var(--mc-darker);
            position: relative;
        }

        .box-work-course {
            background: rgba(25, 25, 35, 0.8);
            border-radius: 15px;
            overflow: hidden;
            border: 1px solid rgba(92, 255, 109, 0.1);
            transition: all 0.4s;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            position: relative;
            height: 100%;
        }

        .box-work-course:hover {
            transform: translateY(-10px);
            border-color: rgba(92, 255, 109, 0.4);
            box-shadow: 0 15px 35px rgba(92, 255, 109, 0.2);
        }

        .aspectration {
            position: relative;
            width: 100%;
            padding-top: 75%; /* 4:3 宽高比 */
        }

        .aspectration img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .zhuangqu-go {
            padding: 15px;
            font-size: 1.1rem;
            color: #F0F0F0;
            text-align: center;
        }

        .view-count {
            display: flex;
            justify-content: space-between;
            padding: 0 15px 15px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .box-work-course2 {
            background: rgba(25, 25, 35, 0.8);
            border-radius: 15px;
            overflow: hidden;
            border: 1px solid rgba(92, 255, 109, 0.1);
            transition: all 0.4s;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            position: relative;
            height: 100%;
        }

        .box-work-course2:hover {
            transform: translateY(-10px);
            border-color: rgba(92, 255, 109, 0.4);
            box-shadow: 0 15px 35px rgba(92, 255, 109, 0.2);
        }

        .mc-pixel-font {
            font-family: 'Courier New', monospace;
            letter-spacing: 1px;
        }

        .layui-row {
            display: flex;
            flex-wrap: wrap;
        }

        .layui-col-md3 {
            width: 25%;
            padding: 8px;
        }

        .layui-col-md6 {
            width: 50%;
            padding: 8px;
        }

        .layui-col-md12 {
            width: 100%;
            padding: 8px;
        }

        /* 回首页图标样式 */
        .home-button {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: linear-gradient(135deg, var(--mc-green), var(--mc-glow));
            border-radius: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--mc-dark);
            font-size: 12px;
            font-weight: bold;
            box-shadow: 0 4px 20px rgba(92, 255, 109, 0.5);
            cursor: pointer;
            z-index: 999;
            transition: all 0.3s ease;
            text-decoration: none;
            padding: 8px 8px;
            gap: 8px;
        }

        .home-button:hover {
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 6px 25px rgba(92, 255, 109, 0.7);
        }

        .home-button:active {
            transform: translateY(0) scale(1);
        }

        .home-button i {
            font-size: 18px;
        }

        /* 下载按钮样式 */
        .download-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 140px;
            height: 40px;
            background: linear-gradient(135deg, #ff9a9e, #fad0c4);
            color: #880e4f;
            border: none;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(52, 152, 219, 0.4);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .download-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(255, 105, 180, 0.6);
            background: linear-gradient(135deg, #ff7eb3, #ff758c);
        }
        
        .download-btn:active {
            transform: translateY(1px);
        }
        
        .download-btn .icon {
            margin-right: 10px;
            transition: transform 0.3s ease;
        }
        
        .download-btn:hover .icon {
            transform: translateY(2px);
        }
        
        .download-btn .ripple {
            position: absolute;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.6);
            transform: scale(0);
            animation: ripple-animation 0.6s linear;
        }
        
        @keyframes ripple-animation {
            to {
                transform: scale(4);
                opacity: 0;
            }
        }
        
        .download-btn.downloading {
            background: linear-gradient(135deg, #2ecc71, #27ae60);
        }
        
        .download-btn.downloading .icon {
            animation: downloading 1s infinite;
        }
        
        @keyframes downloading {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(5px); }
        }
        
        .success-message {
            margin-top: 20px;
            color: #27ae60;
            font-weight: 500;
            opacity: 0;
            transition: opacity 0.3s;
        }
        
        .success-message.show {
            opacity: 1;
        }
        
        .file-info {
            background: #f8f9fa;
            padding: 15px;
            border-radius: 10px;
            margin-top: 25px;
            text-align: left;
        }
        
        .file-info h3 {
            color: #2c3e50;
            margin-bottom: 10px;
            font-size: 18px;
        }
        
        .file-info ul {
            list-style-type: none;
            padding-left: 10px;
        }
        
        .file-info li {
            margin-bottom: 8px;
            color: #555;
            display: flex;
            align-items: center;
        }
        
        .file-info li:before {
            content: "•";
            color: #3498db;
            font-weight: bold;
            margin-right: 8px;
        }

        /* 响应式设计 - 大屏幕设备 (1200px以上) */
        @media (min-width: 1200px) {
            nav li {
                margin: 0 12px;
            }
            
            nav a {
                padding: 8px 16px;
                font-size: 0.95rem;
            }
        }

        /* 响应式设计 - 中等屏幕设备 (1024px - 1199px) */
        @media (max-width: 1199px) and (min-width: 1025px) {
            nav li {
                margin: 0 10px;
            }
            
            nav a {
                padding: 7px 14px;
                font-size: 0.9rem;
            }
            
            .hero h1 {
                font-size: 3.5rem;
            }
            
            .hero p {
                font-size: 1.3rem;
            }
        }

        /* 响应式设计 - 平板设备 (768px - 1024px) */
        @media (max-width: 1024px) and (min-width: 769px) {
            .hero h1 {
                font-size: 3.2rem;
            }
            
            .hero p {
                font-size: 1.2rem;
            }
            
            .section-title {
                font-size: 2.4rem;
            }
            
            .features-grid, .course-cards, .works-gallery, .course-grid {
                grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            }
            
            nav li {
                margin: 0 8px;
            }
            
            nav a {
                padding: 6px 12px;
                font-size: 0.85rem;
            }
            
            .logo-text {
                font-size: 1.2rem;
            }
            
            .layui-col-md3 {
                width: 33.33%;
            }
        }

        /* 响应式设计 - 移动设备 (768px以下) */
        @media (max-width: 768px) {
            body {
                padding-top: 0;
            }
            
            header {
                position: relative;
                padding: 10px 0;
                box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            }
            
            .nav-content {
                flex-wrap: wrap;
                position: relative;
            }
            
            .mobile-menu-toggle {
                display: block;
            }
            
            /* 隐藏PC端导航，显示移动端导航 */
            #desktopNav {
                display: none;
            }
            
            #mobileNav {
                display: block;
                order: 3;
                width: 100%;
                margin-top: 15px;
                display: none;
            }
            
            #mobileNav.active {
                display: block;
            }
            
            #mobileNav ul {
                flex-direction: column;
                width: 100%;
            }
            
            #mobileNav li {
                margin: 5px 0;
                width: 100%;
                text-align: center;
            }
            
            #mobileNav a {
                display: block;
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: 0;
            }
            
            .logo-text {
                font-size: 1.2rem;
            }
            
            .hero {
                padding: 120px 0 80px;
                min-height: 80vh;
            }
            
            .hero h1 {
                font-size: 2.5rem;
                margin-bottom: 20px;
            }
            
            .hero p {
                font-size: 1.1rem;
                margin-bottom: 30px;
            }
            
            .academy-features, .courses, .student-works {
                padding: 60px 0;
            }
            
            .section-title {
                font-size: 2rem;
                margin-bottom: 40px;
            }
            
            .features-grid, .course-cards, .works-gallery, .course-grid {
                grid-template-columns: 1fr;
                gap: 25px;
            }
            
            .feature-card {
                padding: 30px 20px;
            }
            
            .course-body {
                padding: 20px 15px;
            }
            
            .course-features li {
                padding: 10px 0;
                padding-left: 30px;
            }
            
            .project-image {
                height: 200px;
            }
            
            .course-cover {
                height: 180px;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            
            .floating-block {
                display: none;
            }
            
            .cta-button {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            
            .login-nickname {
                margin-left: 10px;
                font-size: 0.9rem;
                padding: 5px 10px;
            }
            
            .layui-col-md3 {
                width: 50%;
            }
            .layui-col-md6 {
                width: 100%;
            }
            
            .home-button {
                display: none;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .section-title {
                font-size: 1.8rem;
            }
            
            .feature-card h3 {
                font-size: 1.3rem;
            }
            
            .feature-card p {
                font-size: 0.9rem;
            }
            
            .project-stats {
                font-size: 0.8rem;
            }
            
            .project-title {
                font-size: 1.1rem;
            }
            
            .course-title {
                font-size: 1rem;
            }
            
            .footer-section h3 {
                font-size: 1.1rem;
            }
            
            .logo-text {
                font-size: 1rem;
            }
            
            .login-nickname {
                margin-left: 10px;
                font-size: 10px;
            }
            
            .layui-col-md3 {
                width: 100%;
            }
        }

        /* 触摸设备优化 */
        @media (hover: none) {
            .feature-card:hover,
            .course-card:hover,
            .course-card-small:hover,
            .project-card:hover,
            .work-item:hover {
                transform: none;
            }
            
            .course-card:hover .course-header:before {
                transform: translateX(-100%);
            }
            
            .work-item:hover:before {
                opacity: 0;
            }
            
            /* 添加点击效果 */
            .feature-card:active,
            .course-card:active,
            .course-card-small:active,
            .project-card:active {
                transform: scale(0.98);
            }
            
            .work-item:active:before {
                opacity: 1;
            }
        }