/**
 * 项目实战与部署 - 样式文件
 * 现代化设计，注重用户体验和交互效果
 */

/* CSS变量定义 */
:root {
    /* 主色调 */
    --primary-color: #5c6bc0;
    --secondary-color: #26a69a;
    --accent-color: #ff7043;
    --success-color: #66bb6a;
    --warning-color: #ffca28;
    --danger-color: #ef5350;
    
    /* 中性色 */
    --dark-color: #263238;
    --gray-900: #212529;
    --gray-800: #343a40;
    --gray-700: #495057;
    --gray-600: #6c757d;
    --gray-500: #adb5bd;
    --gray-400: #ced4da;
    --gray-300: #dee2e6;
    --gray-200: #e9ecef;
    --gray-100: #f8f9fa;
    --white: #ffffff;
    
    /* 渐变色 */
    --gradient-primary: linear-gradient(135deg, #5c6bc0 0%, #7986cb 100%);
    --gradient-secondary: linear-gradient(135deg, #26a69a 0%, #4db6ac 100%);
    --gradient-accent: linear-gradient(135deg, #ff7043 0%, #ff8a65 100%);
    --gradient-dark: linear-gradient(135deg, #263238 0%, #37474f 100%);
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 25px rgba(0,0,0,0.2);
    --shadow-xl: 0 15px 35px rgba(0,0,0,0.25);
    
    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 50%;
    
    /* 过渡动画 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 字体 */
    --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    --font-family-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Consolas', monospace;
    
    /* 尺寸 */
    --header-height: 70px;
    --sidebar-width: 280px;
    --container-max-width: 1200px;
}

/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

*::before,
*::after {
    box-sizing: border-box;
}

/* 基础样式 */
html {
    font-size: 16px;
    line-height: 1.6;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family-base);
    font-weight: 400;
    color: var(--gray-800);
    background-color: var(--gray-100);
    overflow-x: hidden;
}

/* 容器 */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 1rem;
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--dark-color);
}

.nav-brand i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.nav-brand h1 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.stage-badge {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
    margin: 0;
}

.nav-menu a {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    padding: 0.5rem 0;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a i {
    font-size: 0.875rem;
}

/* 移动端菜单 */
.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gray-600);
    margin: 3px 0;
    transition: var(--transition-fast);
    border-radius: 2px;
}

/* 主要内容 */
.main-content {
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
}

/* 英雄区域 */
.hero-section {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    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 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    opacity: 0.8;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    background: transparent;
    color: inherit;
    line-height: 1;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

.btn-outline {
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

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

.btn-white {
    background: var(--white);
    color: var(--gray-800);
}

.btn-outline-white {
    border: 1px solid var(--white);
    color: var(--white);
    background: transparent;
}

.btn-outline-white:hover {
    background: var(--white);
    color: var(--gray-800);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* 英雄视觉效果 */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-preview {
    position: relative;
    transform: rotate(-5deg);
    transition: var(--transition-slow);
}

.project-preview:hover {
    transform: rotate(0deg) scale(1.05);
}

.preview-window {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    width: 400px;
}

.window-header {
    background: var(--gray-100);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.window-controls {
    display: flex;
    gap: 0.5rem;
}

.control {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
}

.control.close {
    background: #ff5f57;
}

.control.minimize {
    background: #ffbd2e;
}

.control.maximize {
    background: #28ca42;
}

.window-title {
    font-weight: 500;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.window-content {
    padding: 1rem;
    background: var(--dark-color);
    color: var(--gray-300);
    font-family: var(--font-family-mono);
    font-size: 0.875rem;
    line-height: 1.6;
}

.code-snippet .line {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.25rem;
}

.line-number {
    color: var(--gray-500);
    width: 20px;
    text-align: right;
    font-size: 0.75rem;
}

.code {
    color: var(--gray-100);
}

/* 浮动元素 */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.float-item {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    animation: float 6s ease-in-out infinite;
    box-shadow: var(--shadow-lg);
}

.float-item[data-tech="html"] {
    background: linear-gradient(135deg, #e34f26, #f16529);
    color: var(--white);
    top: 10%;
    left: -10%;
    animation-delay: -1s;
}

.float-item[data-tech="css"] {
    background: linear-gradient(135deg, #1572b6, #33a9dc);
    color: var(--white);
    top: 60%;
    left: -5%;
    animation-delay: -2s;
}

.float-item[data-tech="js"] {
    background: linear-gradient(135deg, #f7df1e, #f0d91d);
    color: var(--gray-800);
    top: 30%;
    right: -15%;
    animation-delay: -3s;
}

.float-item[data-tech="react"] {
    background: linear-gradient(135deg, #61dafb, #21d4fd);
    color: var(--gray-800);
    top: 70%;
    right: -5%;
    animation-delay: -4s;
}

.float-item[data-tech="vue"] {
    background: linear-gradient(135deg, #4fc08d, #42b883);
    color: var(--white);
    top: 5%;
    right: 10%;
    animation-delay: -5s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-20px) rotate(90deg);
    }
    50% {
        transform: translateY(-10px) rotate(180deg);
    }
    75% {
        transform: translateY(-30px) rotate(270deg);
    }
}

/* 模态框 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(50px);
    transition: var(--transition-normal);
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    margin: 0;
    color: var(--gray-800);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-500);
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.modal-body {
    padding: 1.5rem;
}

/* 技能评估 */
.assessment-intro {
    margin-bottom: 2rem;
    text-align: center;
}

.assessment-intro p {
    color: var(--gray-600);
    line-height: 1.6;
}

.skill-group {
    margin-bottom: 2rem;
}

.skill-group h4 {
    color: var(--gray-800);
    margin-bottom: 1rem;
    font-weight: 600;
}

.skill-item {
    margin-bottom: 1.5rem;
}

.skill-item label:first-child {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.skill-levels {
    display: flex;
    gap: 1rem;
}

.skill-levels input[type="radio"] {
    display: none;
}

.skill-levels label {
    padding: 0.5rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.875rem;
    color: var(--gray-600);
}

.skill-levels input[type="radio"]:checked + label {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: var(--white);
}

.assessment-actions {
    text-align: center;
    margin-top: 2rem;
}

/* 区域样式 */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 项目选择区域 */
.projects-section {
    padding: 4rem 0;
    background: var(--white);
}

.project-filters {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-group label {
    font-weight: 500;
    color: var(--gray-700);
}

.filter-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--gray-300);
    background: var(--white);
    color: var(--gray-600);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.875rem;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

/* 项目网格 */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid var(--gray-200);
}

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

.project-header {
    padding: 1rem 1.5rem;
    background: var(--gray-50);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.project-badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-badge.beginner {
    background: var(--success-color);
    color: var(--white);
}

.project-badge.intermediate {
    background: var(--warning-color);
    color: var(--gray-800);
}

.project-badge.advanced {
    background: var(--danger-color);
    color: var(--white);
}

.project-time {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--gray-600);
    font-size: 0.875rem;
}

.project-content {
    padding: 1.5rem;
}

.project-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: var(--white);
    font-size: 1.5rem;
}

.project-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.75rem;
}

.project-card p {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tech-tag {
    padding: 0.25rem 0.5rem;
    background: var(--gray-100);
    color: var(--gray-700);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.project-features {
    margin-bottom: 1.5rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.project-actions {
    padding: 1rem 1.5rem;
    background: var(--gray-50);
    display: flex;
    gap: 0.75rem;
}

.project-actions .btn {
    flex: 1;
    justify-content: center;
}

/* 实战工坊 */
.workshop-section {
    padding: 4rem 0;
    background: var(--gray-50);
}

.workshop-container {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    min-height: 600px;
}

.workshop-sidebar {
    background: var(--gray-800);
    color: var(--white);
    padding: 1.5rem;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-700);
}

.sidebar-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.file-tree {
    margin-bottom: 2rem;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    color: var(--gray-300);
}

.file-item:hover,
.file-item.active {
    background: var(--gray-700);
    color: var(--white);
}

.file-item i {
    font-size: 1rem;
}

.project-info {
    background: var(--gray-700);
    padding: 1rem;
    border-radius: var(--radius-md);
}

.project-info h4 {
    margin: 0 0 1rem 0;
    font-size: 0.875rem;
    font-weight: 600;
}

.info-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.75rem;
}

.info-item label {
    color: var(--gray-400);
}

.info-item span {
    color: var(--gray-200);
}

.workshop-main {
    display: flex;
    flex-direction: column;
}

.editor-container {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.editor-header {
    background: var(--gray-100);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--gray-200);
}

.editor-tabs {
    display: flex;
    gap: 0.25rem;
}

.editor-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--gray-200);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.875rem;
    position: relative;
}

.editor-tab.active {
    background: var(--white);
    color: var(--gray-800);
}

.editor-tab i {
    font-size: 0.75rem;
}

.tab-close {
    background: none;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    color: var(--gray-500);
    padding: 0;
    margin-left: 0.5rem;
    transition: var(--transition-fast);
}

.tab-close:hover {
    color: var(--danger-color);
}

.editor-actions {
    display: flex;
    gap: 0.5rem;
}

.code-editor {
    flex: 1;
    min-height: 400px;
    font-family: var(--font-family-mono);
}

.preview-container {
    border-top: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    height: 300px;
}

.preview-header {
    background: var(--gray-100);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--gray-200);
}

.preview-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.device-selector {
    display: flex;
    gap: 0.25rem;
}

.device-btn {
    padding: 0.5rem;
    background: none;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--gray-600);
    transition: var(--transition-fast);
}

.device-btn:hover,
.device-btn.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.preview-url {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-600);
    font-size: 0.875rem;
}

.preview-frame-container {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.preview-frame {
    width: 100%;
    height: 100%;
    border: none;
    background: var(--white);
}

.workshop-footer {
    background: var(--gray-800);
    color: var(--white);
    padding: 0.75rem 1rem;
}

.status-bar {
    display: flex;
    align-items: center;
    gap: 2rem;
    font-size: 0.75rem;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.text-success {
    color: var(--success-color);
}

/* 部署区域 */
.deploy-section {
    padding: 4rem 0;
    background: var(--white);
}

.deploy-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.deploy-option {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    border: 2px solid var(--gray-200);
    transition: var(--transition-normal);
}

.deploy-option:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.deploy-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--white);
}

.deploy-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 1rem;
}

.deploy-content p {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.deploy-features {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.feature-tag {
    background: var(--primary-color);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

.deploy-steps {
    margin-bottom: 2rem;
}

.step {
    background: var(--white);
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: var(--radius-md);
    text-align: left;
    font-size: 0.875rem;
    color: var(--gray-700);
    border-left: 3px solid var(--primary-color);
}

.deploy-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* 部署向导 */
.deploy-wizard {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.wizard-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.wizard-close {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.wizard-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.wizard-content {
    background: var(--white);
    width: 90vw;
    max-width: 800px;
    max-height: 90vh;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.wizard-steps {
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 2rem;
    background: var(--gray-50);
}

.wizard-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--gray-300);
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    transition: var(--transition-fast);
}

.wizard-step.active .step-number {
    background: var(--primary-color);
    color: var(--white);
}

.step-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    text-align: center;
}

.wizard-step.active .step-label {
    color: var(--primary-color);
    font-weight: 500;
}

.wizard-body {
    padding: 2rem;
    min-height: 300px;
}

.wizard-actions {
    padding: 1.5rem 2rem;
    background: var(--gray-50);
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

/* 作品展示 */
.showcase-section {
    padding: 4rem 0;
    background: var(--gray-50);
}

.showcase-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.showcase-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.showcase-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.showcase-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
}

.showcase-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.showcase-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.showcase-item:hover .showcase-overlay {
    opacity: 1;
}

.showcase-item:hover .showcase-image img {
    transform: scale(1.1);
}

.overlay-content {
    display: flex;
    gap: 1rem;
}

.showcase-content {
    padding: 1.5rem;
}

.showcase-content h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.75rem;
}

.showcase-content p {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.showcase-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.showcase-stats {
    display: flex;
    gap: 1.5rem;
}

.stat {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--gray-500);
    font-size: 0.875rem;
}

.showcase-actions {
    text-align: center;
    margin-top: 3rem;
}

.showcase-actions .btn {
    margin: 0 0.5rem;
}

/* 进度区域 */
.progress-section {
    padding: 4rem 0;
    background: var(--white);
}

.progress-dashboard {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.progress-overview {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.progress-card {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.progress-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.progress-header h3 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.progress-percentage {
    font-size: 2rem;
    font-weight: 700;
}

.progress-bar {
    background: rgba(255, 255, 255, 0.2);
    height: 8px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.progress-fill {
    background: var(--white);
    height: 100%;
    border-radius: var(--radius-sm);
    transition: var(--transition-slow);
}

.progress-details {
    display: flex;
    justify-content: space-between;
}

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

.detail-item span {
    display: block;
    opacity: 0.8;
    font-size: 0.875rem;
}

.detail-item strong {
    display: block;
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 0.25rem;
}

.skills-radar {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 2px solid var(--gray-200);
    text-align: center;
}

.skills-radar h3 {
    margin-bottom: 1.5rem;
    color: var(--gray-800);
}

.radar-chart {
    display: flex;
    align-items: center;
    justify-content: center;
}

.achievements-section h3 {
    color: var(--gray-800);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.achievement-item {
    background: var(--gray-100);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-normal);
    opacity: 0.5;
}

.achievement-item.earned {
    background: var(--gradient-secondary);
    color: var(--white);
    opacity: 1;
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.achievement-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
}

.achievement-item.earned .achievement-icon {
    background: rgba(255, 255, 255, 0.3);
}

.achievement-content h4 {
    margin: 0 0 0.5rem 0;
    font-weight: 600;
}

.achievement-content p {
    margin: 0;
    font-size: 0.875rem;
    opacity: 0.8;
}

/* 下一步学习 */
.next-steps-section {
    padding: 4rem 0;
    background: var(--gray-50);
}

.learning-paths {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.path-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    text-align: center;
}

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

.path-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--white);
}

.path-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 1rem;
}

.path-content p {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.path-skills {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.skill-tag {
    background: var(--primary-color);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

.path-duration {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

.path-actions {
    text-align: center;
}

/* 页脚 */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-section ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: var(--white);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-700);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: 2rem;
    text-align: center;
    color: var(--gray-400);
}

.footer-bottom p {
    margin: 0.5rem 0;
}

/* 动画效果 */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease;
}

.animate-slide-in {
    animation: slideInUp 0.6s ease;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background: var(--white);
        flex-direction: column;
        justify-content: start;
        padding: 2rem;
        transition: var(--transition-normal);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text h2 {
        font-size: 2rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .workshop-container {
        grid-template-columns: 1fr;
    }
    
    .workshop-sidebar {
        order: 2;
    }
    
    .progress-dashboard {
        grid-template-columns: 1fr;
    }
    
    .project-filters {
        flex-direction: column;
        align-items: center;
    }
    
    .showcase-actions .btn {
        display: block;
        margin: 0.5rem 0;
    }
    
    .wizard-content {
        width: 95vw;
        margin: 1rem;
    }
    
    .wizard-steps {
        gap: 1rem;
    }
    
    .step-label {
        display: none;
    }
}

@media (max-width: 480px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .deploy-options {
        grid-template-columns: 1fr;
    }
    
    .showcase-grid {
        grid-template-columns: 1fr;
    }
    
    .learning-paths {
        grid-template-columns: 1fr;
    }
    
    .hero-text h2 {
        font-size: 1.75rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
}

/* 打印样式 */
@media print {
    .navbar,
    .menu-toggle,
    .floating-elements,
    .modal,
    .deploy-wizard {
        display: none !important;
    }
    
    .main-content {
        margin-top: 0;
    }
    
    .hero-section,
    .workshop-section {
        background: var(--white) !important;
        color: var(--gray-800) !important;
    }
    
    .project-card,
    .deploy-option,
    .showcase-item {
        break-inside: avoid;
        margin-bottom: 1rem;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    :root {
        --gray-900: #f8f9fa;
        --gray-800: #e9ecef;
        --gray-700: #dee2e6;
        --gray-600: #ced4da;
        --gray-500: #adb5bd;
        --gray-400: #6c757d;
        --gray-300: #495057;
        --gray-200: #343a40;
        --gray-100: #212529;
        --white: #1a1a1a;
    }
    
    body {
        background-color: var(--gray-900);
        color: var(--gray-100);
    }
}

/* 可访问性增强 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .floating-elements {
        display: none;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #000080;
        --secondary-color: #008000;
        --accent-color: #ff0000;
        --gray-600: #000000;
        --gray-400: #666666;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

/* 焦点样式 */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 选择文本样式 */
::selection {
    background: var(--primary-color);
    color: var(--white);
}

::-moz-selection {
    background: var(--primary-color);
    color: var(--white);
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-200);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    box-shadow: var(--shadow-lg);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    background: var(--gradient-accent);
}