/* CSS变量定义 */
:root {
    --primary-color: #6B8E5A;
    --primary-hover: #5a7549;
    --secondary-color: #f8f9fa;
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --text-light: #9ca3af;
    --background: #ffffff;
    --background-soft: #f8fafc;
    --border-light: #e2e8f0;
    --border-color: #d1d5db;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    --font-sm: 14px;
    --font-base: 16px;
    --font-lg: 18px;
    --font-xl: 20px;
    --font-2xl: 24px;
    --font-3xl: 30px;
    --font-4xl: 36px;
    --font-5xl: 48px;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-soft);
    font-size: var(--font-base);
}

/* 导航栏样式 */
.navbar {
    background: var(--background);
    border-bottom: 1px solid var(--border-light);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-left {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--text-primary);
}

.beta-badge {
    background: var(--primary-color);
    color: white;
    font-size: var(--font-xs);
    font-weight: 500;
    padding: 2px 6px;
    border-radius: 50%;
    margin-left: var(--spacing-xs);
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Courier New', monospace;
}

.logo i {
    color: var(--primary-color);
    font-size: var(--font-2xl);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
}

.nav-link:hover {
    color: var(--primary-color);
    background-color: var(--secondary-color);
}

.notification-icon {
    position: relative;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.notification-icon:hover {
    background-color: var(--secondary-color);
}

.notification-dot {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 8px;
    height: 8px;
    background-color: #ef4444;
    border-radius: 50%;
}

.upgrade-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.upgrade-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.user-avatar:hover {
    transform: scale(1.05);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.settings-btn {
    padding: 8px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--secondary-color);
    color: var(--text-secondary);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.settings-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

/* 主要内容样式 */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* 英雄区域样式 */
.hero-section {
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.hero-title {
    font-size: var(--font-5xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

.hero-subtitle {
    font-size: var(--font-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.highlight {
    color: var(--primary-color);
    font-style: italic;
}

.highlight-number {
    color: #ef4444;
    font-weight: 800;
    text-shadow: 0 2px 4px rgba(239, 68, 68, 0.2);
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-base);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

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

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

.btn-secondary {
    background: var(--background);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--secondary-color);
    color: var(--text-primary);
    border-color: var(--primary-color);
}

.btn-xs {
    padding: 2px 6px;
    font-size: 9px;
    border-radius: 3px;
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 提示输入区域 */
.prompt-area {
    max-width: 900px;
    margin: 0 auto;
}

.prompt-input-container {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.prompt-input {
    position: relative;
    background: var(--background);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl) var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    min-height: 200px;
}

.prompt-input:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(107, 142, 90, 0.1), var(--shadow-lg);
    transform: translateY(-2px);
}

.input-icon {
    color: var(--primary-color);
    font-size: 16px;
    flex-shrink: 0;
    margin-top: 4px;
}

.prompt-input textarea {
    flex: 1;
    border: none;
    outline: none;
    font-size: 20px;
    color: var(--text-primary);
    background: transparent;
    font-weight: 400;
    line-height: 1.4;
    resize: none;
    font-family: inherit;
    min-height: 120px;
    padding-top: 0;
}

.prompt-input textarea::placeholder {
    color: rgba(156, 163, 175, 0.3);
    font-weight: 400;
}

.prompt-input input::placeholder {
    color: rgba(156, 163, 175, 0.5);
    font-weight: 400;
}

.prompt-send {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
    font-size: 16px;
    align-self: center;
}

.prompt-send:hover {
    background: var(--primary-hover);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(107, 142, 90, 0.3);
}

/* 输入建议 - 隐藏 */
.input-suggestions {
    display: none;
}

/* 建议项样式已移除 */

/* 快速操作样式已移除 */

/* 左下角模板按钮 */
.template-corner-btn {
    position: absolute;
    bottom: var(--spacing-md);
    left: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(107, 142, 90, 0.1);
    border: 1px solid var(--primary-color);
    border-radius: var(--radius-md);
    color: var(--primary-color);
    font-size: var(--font-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
}

.template-corner-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 聚焦动画 */
@keyframes focusGlow {
    0% { box-shadow: 0 0 0 0 rgba(107, 142, 90, 0.4); }
    70% { box-shadow: 0 0 0 6px rgba(107, 142, 90, 0); }
    100% { box-shadow: 0 0 0 0 rgba(107, 142, 90, 0); }
}

.prompt-input:focus-within {
    animation: focusGlow 1.5s ease-out;
}

/* 模板选择样式 */
.template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.template-card {
    background: var(--background);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.template-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.template-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(107, 142, 90, 0.1), transparent);
    transition: left 0.5s ease;
}

.template-card:hover::before {
    left: 100%;
}

.template-icon {
    font-size: var(--font-4xl);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.template-card h4 {
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.template-card p {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    line-height: 1.5;
    position: relative;
    z-index: 1;
}

/* 项目展示区域 */
.projects-section {
    padding: var(--spacing-xl) 0 var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: var(--font-3xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

/* 项目分类 */
.project-categories {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
    padding: 0 var(--spacing-md);
}

.category-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-size: var(--font-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

/* 项目网格 */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.project-card {
    background: var(--background);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    height: 320px;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.project-image {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
    height: 70%;
    min-height: 240px;
}

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

/* 首页项目预览样式 */
.project-preview {
    width: 100%;
    height: 70%;
    min-height: 240px;
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    background: white;
}

.project-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transition: transform 0.3s ease;
}

.project-preview img:hover {
    transform: scale(1.02);
}

.project-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(107, 142, 90, 0.1) 0%, rgba(107, 142, 90, 0.05) 100%);
    pointer-events: none;
    z-index: 1;
}

.project-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-sm);
    font-weight: 500;
}

.project-badge.ai-generated {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.ai-indicator {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-sm);
    font-weight: 500;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.ai-indicator i {
    color: #00d4ff;
}

.project-info {
    padding: 6px;
    background: var(--background);
    height: 30%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.project-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    flex: 1;
}

.project-author-avatar {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.project-author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    flex: 1;
    margin-right: var(--spacing-xs);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.1;
}

.project-author {
    font-size: 9px;
    color: var(--text-secondary);
    margin-top: 1px;
}

.project-stats {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    margin-top: 4px;
    padding-top: 4px;
    border-top: 1px solid var(--border-light);
    flex-shrink: 0;
    justify-content: space-between;
}

.project-stats-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.project-stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 8px;
    color: var(--text-secondary);
}

.project-stat i {
    font-size: 8px;
}

.project-stat span {
    font-size: 8px;
    color: var(--text-secondary);
}

.project-actions {
    display: flex;
    gap: var(--spacing-xs);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-actions {
    opacity: 1;
}

/* AI聊天助手样式 - 圆形按钮 */
.chat-fab {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: white;
    font-size: 24px;
}

.chat-fab:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(107, 142, 90, 0.3);
}

.chat-fab.active {
    transform: rotate(180deg);
    background: var(--primary-hover);
}

/* AI聊天面板样式 */
.chat-panel {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 380px;
    height: 500px;
    background: var(--background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chat-panel.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.chat-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: var(--font-lg);
}

.chat-close {
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.chat-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.chat-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.message {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.message-avatar {
    width: 32px;
    height: 32px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.message-content {
    flex: 1;
    background: var(--secondary-color);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-sm);
    line-height: 1.5;
}

.message-content ul {
    margin: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
}

.message-content li {
    margin-bottom: var(--spacing-xs);
}

.user-message {
    flex-direction: row-reverse;
}

.user-message .message-content {
    background: var(--primary-color);
    color: white;
}

.user-message .message-avatar {
    background: var(--text-secondary);
}

.chat-input {
    display: flex;
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-light);
    gap: var(--spacing-sm);
}

.chat-input input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    outline: none;
    font-size: var(--font-sm);
}

.chat-input input:focus {
    border-color: var(--primary-color);
}

.chat-send {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.chat-send:hover {
    background: var(--primary-hover);
}

/* 模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.modal-header h3 {
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--secondary-color);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
}

/* 分享功能样式 */
.share-url {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.url-display {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.copy-btn {
    padding: var(--spacing-md);
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.copy-btn:hover {
    background: var(--primary-hover);
}

.share-social {
    margin-bottom: var(--spacing-xl);
}

.share-social h4 {
    font-size: var(--font-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.social-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--spacing-md);
}

.social-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-secondary);
}

.social-btn:hover {
    background: var(--secondary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.social-btn i {
    font-size: var(--font-xl);
}

.social-btn span {
    font-size: var(--font-sm);
    font-weight: 500;
}

/* 社交媒体官方颜色样式 */
.social-btn[data-platform="x"] {
    background: #000000;
    border-color: #000000;
    color: #ffffff;
}

.social-btn[data-platform="x"]:hover {
    background: #1a1a1a;
    border-color: #1a1a1a;
    transform: translateY(-2px);
}

.social-btn[data-platform="reddit"] {
    background: #ff4500;
    border-color: #ff4500;
    color: #ffffff;
}

.social-btn[data-platform="reddit"]:hover {
    background: #e63900;
    border-color: #e63900;
    transform: translateY(-2px);
}

.social-btn[data-platform="whatsapp"] {
    background: #25d366;
    border-color: #25d366;
    color: #ffffff;
}

.social-btn[data-platform="whatsapp"]:hover {
    background: #22c55e;
    border-color: #22c55e;
    transform: translateY(-2px);
}

.social-btn[data-platform="telegram"] {
    background: #0088cc;
    border-color: #0088cc;
    color: #ffffff;
}

.social-btn[data-platform="telegram"]:hover {
    background: #0077b3;
    border-color: #0077b3;
    transform: translateY(-2px);
}

.social-btn[data-platform="threads"] {
    background: #000000;
    border-color: #000000;
    color: #ffffff;
}

.social-btn[data-platform="threads"]:hover {
    background: #1a1a1a;
    border-color: #1a1a1a;
    transform: translateY(-2px);
}

.social-btn[data-platform="line"] {
    background: #00b900;
    border-color: #00b900;
    color: #ffffff;
}

.social-btn[data-platform="line"]:hover {
    background: #00a000;
    border-color: #00a000;
    transform: translateY(-2px);
}

.share-styles h4 {
    font-size: var(--font-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.style-options {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.style-option {
    cursor: pointer;
    transition: var(--transition);
}

.style-option:hover {
    transform: scale(1.05);
}

.style-preview {
    width: 120px;
    height: 80px;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.style-preview.retro {
    background: linear-gradient(45deg, #f4e6b7 0%, #d4b996 100%);
}

.style-preview.typewriter {
    background: linear-gradient(45deg, #e8e8e8 0%, #c0c0c0 100%);
}

.style-preview.modern {
    background: linear-gradient(45deg, #667eea 0%, #764ba2 100%);
}

.style-option:hover .style-preview {
    border-color: var(--primary-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-right {
        gap: var(--spacing-sm);
    }
    
    .nav-link {
        display: none;
    }
    
    .hero-title {
        font-size: var(--font-3xl);
    }
    
    .action-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .project-categories {
        overflow-x: auto;
        justify-content: flex-start;
        padding: 0 var(--spacing-md);
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    
    .project-categories::-webkit-scrollbar {
        display: none;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .chat-fab {
        bottom: 20px;
        right: 20px;
        width: 56px;
        height: 56px;
        font-size: 20px;
    }
    
    .chat-panel {
        width: calc(100vw - 2 * var(--spacing-md));
        height: 400px;
        bottom: 80px;
        right: var(--spacing-md);
        left: var(--spacing-md);
    }
    
    /* 用户主页响应式 */
    .profile-section {
        padding: 28px 0;
    }
    
    .profile-stats {
        font-size: var(--font-base);
        color: var(--text-secondary);
        margin-bottom: var(--spacing-lg);
        display: flex;
        align-items: center;
        gap: var(--spacing-lg);
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stat-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-xs);
        min-width: 50px;
    }
    
    .stat-item:last-child {
        flex-direction: row;
        gap: var(--spacing-sm);
    }
    
    .stat-number {
        font-size: var(--font-lg);
        font-weight: 700;
        color: var(--text-primary);
        line-height: 1;
    }
    
    .stat-label {
        font-size: var(--font-sm);
        color: var(--text-secondary);
        font-weight: 500;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    
    .profile-stats i {
        font-size: var(--font-base);
        color: var(--primary-color);
    }
    
    .profile-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-md);
    }
    
    .profile-avatar {
        width: 80px;
        height: 80px;
    }
    
    .profile-name {
        font-size: var(--font-3xl);
    }
    
    .profile-actions {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .profile-actions .btn {
        width: 100%;
        max-width: 200px;
    }
    
    .project-tabs {
        margin: 0 var(--spacing-md);
        padding: var(--spacing-xs);
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .tab-btn {
        min-height: 44px;
        justify-content: flex-start;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .user-projects-section {
        padding: 0 var(--spacing-md) var(--spacing-2xl);
    }
    
    .user-projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .modal-content {
        width: 95%;
        margin: var(--spacing-md);
    }
    
    .social-buttons {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .style-options {
        flex-direction: column;
        align-items: center;
    }
}

/* 加载动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* 个人中心页面样式 */
.profile-section {
    background: rgba(107, 142, 90, 0.08);
    padding: 38px 0;
    margin-bottom: var(--spacing-xl);
}

.profile-header {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

.profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: var(--shadow-lg);
    border: 3px solid var(--border-light);
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-info {
    flex: 1;
    color: var(--text-primary);
}

.profile-name {
    font-size: var(--font-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.profile-stats {
    font-size: var(--font-base);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    min-width: 60px;
}

.stat-item:last-child {
    flex-direction: row;
    gap: var(--spacing-sm);
}

.stat-number {
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.profile-stats i {
    font-size: var(--font-base);
    color: var(--primary-color);
}

.profile-actions {
    display: flex;
    gap: var(--spacing-md);
}

.profile-actions .btn {
    background: var(--background);
    color: var(--text-primary);
    border: 2px solid var(--border-light);
}

.profile-actions .btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

/* 项目标签样式 */
.project-tabs-section {
    padding: 0;
    margin-bottom: var(--spacing-2xl);
}

.project-tabs {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    gap: var(--spacing-sm);
    background: var(--background);
    border-radius: var(--radius-xl);
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-base);
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--radius-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    flex: 1;
    justify-content: center;
    min-height: 48px;
}

.tab-btn:hover {
    background: var(--secondary-color);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.tab-btn.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(107, 142, 90, 0.3);
}

.tab-btn i {
    font-size: var(--font-base);
}

/* 用户项目展示样式 */
.user-projects-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg) var(--spacing-3xl);
    min-height: 400px;
}

.user-projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.user-project-card {
    background: var(--background);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    height: 320px;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-light);
    position: relative;
}

.user-project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.user-project-card .project-image {
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
    height: 70%;
    min-height: 240px;
}

.user-project-card .project-image img,
.user-project-card .project-image iframe {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border: none;
}



.user-project-card .project-info {
    padding: 6px;
    background: var(--background);
    height: 30%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.user-project-card .project-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    flex: 1;
}

.user-project-card .project-author-avatar {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.user-project-card .project-author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-project-card .project-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    flex: 1;
    margin-right: var(--spacing-xs);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.1;
}

.user-project-card .project-author {
    font-size: 9px;
    color: var(--text-secondary);
    margin-top: 1px;
}

.user-project-card .project-stats {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    margin-top: 4px;
    padding-top: 4px;
    border-top: 1px solid var(--border-light);
    flex-shrink: 0;
    justify-content: space-between;
}

.user-project-card .project-stats-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-project-card .project-stat {
    display: flex;
    align-items: center;
    gap: 3px;
    font-size: 9px;
    color: var(--text-secondary);
}

.user-project-card .project-stat i {
    font-size: 7px;
}

.project-actions {
    display: flex;
    gap: 2px;
    opacity: 1;
    transition: var(--transition);
    margin-left: auto;
    margin-top: -2px;
}

.user-project-card:hover .project-actions {
    opacity: 1;
}

.action-btn {
    width: 32px;
    height: 32px;
    background: var(--secondary-color);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.action-btn.delete-btn:hover {
    background: #ef4444;
    color: white;
}

.project-description {
    color: var(--text-secondary);
    font-size: var(--font-sm);
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-clamp: 2;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
}

.project-category {
    background: var(--secondary-color);
    color: var(--primary-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-sm);
    font-weight: 500;
}

.project-date {
    font-size: var(--font-sm);
    color: var(--text-light);
}

/* 空状态样式 */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
    text-align: center;
    color: var(--text-secondary);
    background: var(--background);
    border-radius: var(--radius-xl);
    border: 2px dashed var(--border-color);
    margin: var(--spacing-xl) 0;
}

.empty-icon {
    font-size: 72px;
    color: var(--primary-color);
    opacity: 0.6;
    margin-bottom: var(--spacing-xl);
}

.empty-state h3 {
    font-size: var(--font-3xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.empty-state p {
    font-size: var(--font-lg);
    margin-bottom: var(--spacing-2xl);
    max-width: 400px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.empty-state .btn {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: var(--font-lg);
    font-weight: 600;
}

/* 表单样式 */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-sm);
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-base);
    color: var(--text-primary);
    background: var(--background);
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(107, 142, 90, 0.1);
}

.form-input::placeholder {
    color: var(--text-light);
}

select.form-input {
    cursor: pointer;
}

textarea.form-input {
    resize: vertical;
    min-height: 100px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
}

/* 删除警告样式 */
.delete-warning {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.delete-warning i {
    font-size: var(--font-xl);
    color: #ef4444;
}

.delete-warning p {
    margin: 0;
    color: var(--text-primary);
    font-size: var(--font-base);
}

.btn-danger {
    background: #ef4444;
    color: white;
    border: none;
}

.btn-danger:hover {
    background: #dc2626;
}

/* 响应式设计 - 个人中心 */
@media (max-width: 768px) {
    .profile-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .profile-avatar {
        width: 100px;
        height: 100px;
    }
    
    .profile-name {
        font-size: var(--font-3xl);
    }
    
    .profile-actions {
        justify-content: center;
    }
    
    .project-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        padding: 0 var(--spacing-md);
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    
    .project-tabs::-webkit-scrollbar {
        display: none;
    }
    
    .tab-btn {
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .user-projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .project-actions {
        opacity: 1;
    }
    
    .user-project-card .project-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .project-actions {
        align-self: flex-end;
    }
    
    /* 输入框移动端优化 */
    .prompt-input {
        min-height: 150px;
        padding: var(--spacing-2xl) var(--spacing-xl);
        gap: var(--spacing-md);
    }
    
    .input-icon {
        font-size: var(--font-3xl);
    }
    
    .prompt-input input {
        font-size: var(--font-xl);
    }
    
    .prompt-send {
        width: 60px;
        height: 60px;
        font-size: var(--font-xl);
    }
    
    .template-corner-btn {
        bottom: var(--spacing-sm);
        left: var(--spacing-sm);
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-sm);
    }
    
    /* 快速操作移动端样式已移除 */
    
    /* 输入建议已隐藏，无需移动端样式 */
    
    .template-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .template-card {
        padding: var(--spacing-md);
    }
}

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

::-webkit-scrollbar-track {
    background: var(--secondary-color);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}

/* 可折叠步骤样式 */
.analysis-steps {
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin: var(--spacing-sm) 0;
}

.step-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--secondary-color);
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
}

.step-header:hover {
    background: var(--border-light);
}

.step-header i:first-child {
    color: var(--primary-color);
    font-size: 16px;
}

.step-header span {
    flex: 1;
    font-weight: 600;
    color: var(--text-primary);
}

.toggle-icon {
    color: var(--text-secondary);
    transition: var(--transition);
}

.step-content {
    padding: var(--spacing-md);
    background: var(--background);
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-light);
}

.step-item:last-child {
    border-bottom: none;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
}

.step-text {
    flex: 1;
    color: var(--text-primary);
    line-height: 1.5;
    font-size: var(--font-sm);
}