* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 顶部导航栏 */
.site-header {
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header-container {
    max-width: none;
    width: 100%;
    margin: 0;
    padding: 0 0 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 120px;
}

/* Logo 样式 */
.logo {
    flex-shrink: 0;
}

.logo-link {
    font-size: 48px;
    font-weight: 700;
    color: #667eea;
    text-decoration: none;
    letter-spacing: -1px;
    transition: color 0.3s ease;
}

.logo-link:hover {
    color: #764ba2;
}

/* 导航菜单 */
.main-nav {
    flex: none;
    display: flex;
    justify-content: flex-end;
    margin-left: auto;
    padding-right: 0;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 64px;
    justify-content: flex-end;
    align-items: center;
    padding-right: 0;
}

.nav-item {
    margin: 0;
}

.nav-link {
    display: block;
    padding: 16px 0 16px 32px;
    color: #4a5568;
    text-decoration: none;
    font-size: 30px;
    font-weight: 500;
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
    text-align: right;
}

.nav-item:last-child .nav-link {
    padding-right: 0;
    margin-right: 0;
}

.nav-link:hover {
    color: #667eea;
    background: rgba(102, 126, 234, 0.08);
}

.nav-link:active {
    transform: translateY(1px);
}

/* 预留扩展区域 */
.header-actions {
    flex-shrink: 0;
    min-width: 0;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 24px;
    padding-right: 0;
    margin-right: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-container {
        flex-wrap: wrap;
        padding: 0 0 0 30px;
        min-height: 100px;
    }
    
    .logo-link {
        font-size: 40px;
    }
    
    .main-nav {
        order: 3;
        flex-basis: 100%;
        justify-content: flex-end;
        margin-top: 20px;
        padding-bottom: 20px;
        border-top: 1px solid rgba(0, 0, 0, 0.05);
        margin-left: auto;
        padding-right: 0;
    }
    
    .nav-list {
        gap: 40px;
        flex-wrap: wrap;
        justify-content: flex-end;
        padding-right: 0;
    }
    
    .nav-link {
        padding: 12px 0 12px 24px;
        font-size: 28px;
    }
    
    .header-actions {
        min-width: auto;
        padding-right: 0;
    }
}

@media (max-width: 480px) {
    .nav-list {
        gap: 16px;
        justify-content: flex-end;
        padding-right: 0;
    }
    
    .nav-link {
        padding: 8px 0 8px 16px;
        font-size: 26px;
    }
}

/* 为主内容区域添加顶部边距，避免被固定导航栏遮挡 */
body {
    padding-top: 160px; /* 导航栏高度120px + 额外间距40px */
    padding-left: 80px;
    padding-right: 80px;
    padding-bottom: 80px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #cbd5e1 100%);
    min-height: 100vh;
}

@media (max-width: 768px) {
    body {
        padding-top: 200px; /* 移动端导航栏会换行，需要更多空间 */
        padding-left: 40px;
        padding-right: 40px;
    }
}

.container {
    max-width: 2400px; /* 放大一倍：1200px -> 2400px */
    margin: 20px auto 0; /* 减少顶部边距：80px -> 20px */
    background: rgba(255, 255, 255, 0.95);
    border-radius: 24px; /* 减少圆角：40px -> 24px */
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.02); /* 更轻柔的阴影 */
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
}

.container h1 {
    text-align: center;
    padding: 32px 40px; /* 减少内边距：60px -> 32px */
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #ec4899 100%);
    color: white;
    font-size: 2.8rem; /* 减少字体：3.6rem -> 2.8rem */
    font-weight: 600;
    margin: 0;
    position: relative;
    overflow: hidden;
}

.container h1::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    animation: shimmer 3s infinite;
}

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

.module {
    padding: 32px 40px; /* 减少内边距：60px -> 32px 40px */
    border-bottom: 1px solid rgba(226, 232, 240, 0.8); /* 更轻柔的分割线 */
    display: flex; /* 改为横向布局 */
    gap: 40px; /* 减少间距：60px -> 40px */
    align-items: flex-start; /* 顶部对齐 */
    background: linear-gradient(to right, rgba(255, 255, 255, 0.02), rgba(248, 250, 252, 0.05));
}

.module:last-child {
    border-bottom: none;
}

.module h2 {
    color: #1e293b;
    margin-bottom: 24px; /* 减少边距：40px -> 24px */
    font-size: 2.2rem; /* 减少字体：2.6rem -> 2.2rem */
    font-weight: 600;
    min-width: 300px; /* 减少最小宽度：400px -> 300px */
    flex-shrink: 0; /* 防止收缩 */
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 文字和图片模块的内容区域 */
.text-section,
.image-section {
    display: flex;
    flex-direction: column;
    gap: 20px; /* 减少间距：30px -> 20px */
    flex: 1; /* 占据剩余空间 */
}

#textInput {
    width: 100%;
    min-height: 320px; /* 减少高度：400px -> 320px */
    padding: 20px; /* 减少内边距：30px -> 20px */
    border: 2px solid #e2e8f0; /* 减少边框：4px -> 2px，更柔和颜色 */
    border-radius: 16px; /* 减少圆角：24px -> 16px */
    font-size: 16px; /* 大幅减少字体：28px -> 16px */
    line-height: 1.6;
    resize: vertical;
    font-family: inherit;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

#textInput:focus {
    outline: none;
    border-color: #4f46e5;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1); /* 减少阴影：6px -> 3px */
    background: rgba(255, 255, 255, 0.95);
}

/* 字体选项 */
.font-options {
    margin: 20px 0; /* 减少边距：30px -> 20px */
    padding: 20px; /* 减少内边距：30px -> 20px */
    background: rgba(248, 250, 252, 0.6);
    border-radius: 12px; /* 减少圆角：16px -> 12px */
    border: 1px solid rgba(226, 232, 240, 0.5); /* 减少边框：2px -> 1px */
    backdrop-filter: blur(10px);
}

.font-label {
    display: block;
    margin: 12px 0; /* 减少边距：16px -> 12px */
    cursor: pointer;
    transition: color 0.3s ease;
    font-size: 15px; /* 减少字体：20px -> 15px */
}

.font-label:hover {
    color: #4f46e5;
}

.font-label input[type="radio"] {
    margin-right: 12px; /* 减少边距：16px -> 12px */
    accent-color: #4f46e5;
    transform: scale(1.2); /* 减少缩放：1.5 -> 1.2 */
}

/* 图片选项样式 */
.image-options {
    margin: 20px 0; /* 减少边距：30px -> 20px */
    padding: 20px; /* 减少内边距：30px -> 20px */
    background: rgba(248, 250, 252, 0.6);
    border-radius: 12px; /* 减少圆角：16px -> 12px */
    border: 1px solid rgba(226, 232, 240, 0.5); /* 减少边框：2px -> 1px */
    backdrop-filter: blur(10px);
}

.option-label {
    display: block;
    margin: 12px 0; /* 减少边距：16px -> 12px */
    cursor: pointer;
    transition: color 0.3s ease;
    font-size: 15px; /* 减少字体：20px -> 15px */
}

.option-label:hover {
    color: #7c3aed;
}

.option-label input[type="checkbox"] {
    margin-right: 12px; /* 减少边距：16px -> 12px */
    accent-color: #7c3aed;
    transform: scale(1.2); /* 减少缩放：1.5 -> 1.2 */
}

/* 中文提示 */
.chinese-notice, .image-notice {
    margin: 20px 0; /* 减少边距：30px -> 20px */
    padding: 16px; /* 减少内边距：24px -> 16px */
    background: rgba(59, 130, 246, 0.08);
    border-left: 4px solid #3b82f6; /* 减少边框：8px -> 4px，蓝色主题 */
    border-radius: 8px;
    font-size: 14px; /* 减少字体：18px -> 14px */
    line-height: 1.5;
    backdrop-filter: blur(10px);
}

.chinese-notice p, .image-notice p {
    margin: 6px 0; /* 减少边距：10px -> 6px */
}

.chinese-notice p:first-child {
    margin-top: 0;
    font-weight: 600;
}

.chinese-notice p:last-child {
    margin-bottom: 0;
}

/* WhatsApp聊天导出提示区域 */
.whatsapp-notice {
    margin: 20px 0;
    padding: 18px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(34, 197, 94, 0.08) 100%);
    border-radius: 12px;
    border: 1px solid rgba(16, 185, 129, 0.2);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.whatsapp-notice::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #10b981, #22c55e);
}

.whatsapp-notice h4 {
    margin: 0 0 12px 0;
    color: #059669;
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
}

.whatsapp-notice p {
    margin: 6px 0;
    color: #047857;
    font-size: 14px;
    line-height: 1.5;
}

.whatsapp-notice p:last-child {
    margin-bottom: 0;
}

/* 粘贴调试信息区域 */
.paste-debug {
    margin: 20px 0;
    padding: 20px;
    background: rgba(255, 152, 0, 0.1);
    border-radius: 12px;
    border: 2px solid rgba(255, 152, 0, 0.2);
    font-family: 'Courier New', monospace;
}

.paste-debug h4 {
    margin: 0 0 15px 0;
    color: #FF9800;
    font-size: 16px;
    font-weight: 600;
}

.paste-debug #debugContent {
    background: rgba(0, 0, 0, 0.05);
    padding: 15px;
    border-radius: 8px;
    font-size: 12px;
    line-height: 1.4;
    max-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

.debug-toggle {
    margin-top: 10px;
    padding: 8px 16px;
    background: #FF9800;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.debug-toggle:hover {
    background: #F57C00;
}

/* 混合内容区域 */
.mixed-content-section {
    margin: 30px 0;
    padding: 30px;
    background: rgba(102, 126, 234, 0.05);
    border-radius: 16px;
    border: 2px solid rgba(102, 126, 234, 0.1);
}

.mixed-content-section h4 {
    margin: 0 0 20px 0;
    color: #667eea;
    font-size: 20px;
    font-weight: 600;
}

.mixed-upload-area {
    border: 3px dashed #667eea;
    border-radius: 16px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(102, 126, 234, 0.02);
}

.mixed-upload-area:hover {
    border-color: #764ba2;
    background: rgba(102, 126, 234, 0.08);
    transform: translateY(-2px);
}

.mixed-upload-area.dragover {
    border-color: #764ba2;
    background: rgba(102, 126, 234, 0.12);
    transform: scale(1.02);
}

.mixed-upload-content {
    pointer-events: none;
}

.mixed-upload-content .upload-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.mixed-upload-content p {
    margin: 8px 0;
    color: #667eea;
    font-size: 18px;
    font-weight: 500;
}

.mixed-upload-content .upload-hint {
    font-size: 14px;
    color: #999;
    font-weight: normal;
}

/* 混合图片预览 */
.mixed-image-preview {
    margin-top: 20px;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.8);
    padding: 15px;
}

.mixed-image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
    margin-bottom: 15px;
}

.mixed-image-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: white;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.2);
    transition: transform 0.3s ease;
}

.mixed-image-item:hover {
    transform: scale(1.05);
}

.mixed-image-item img {
    width: 100%;
    height: 80px;
    object-fit: cover;
}

.mixed-image-item .remove-btn {
    position: absolute;
    top: 3px;
    right: 3px;
    width: 18px;
    height: 18px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 0, 0, 0.8);
    color: white;
    font-size: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mixed-image-item .image-order {
    position: absolute;
    bottom: 2px;
    left: 2px;
    background: rgba(102, 126, 234, 0.9);
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: bold;
}

/* 图片上传区域 */
.upload-area {
    border: 4px dashed #d1d5db; /* 放大一倍：2px -> 4px */
    border-radius: 24px; /* 放大一倍：12px -> 24px */
    padding: 80px 40px; /* 放大一倍：40px -> 80px, 20px -> 40px */
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #fafafa;
}

.upload-area:hover {
    border-color: #667eea;
    background: #f8f9ff;
}

.upload-area.dragover {
    border-color: #667eea;
    background: #f0f4ff;
    transform: scale(1.02);
}

.upload-content {
    pointer-events: none;
}

.upload-icon {
    font-size: 6rem; /* 放大一倍：3rem -> 6rem */
    margin-bottom: 20px; /* 放大一倍：10px -> 20px */
}

.upload-area p {
    margin: 10px 0; /* 放大一倍：5px -> 10px */
    color: #666;
    font-size: 20px; /* 增加字体大小 */
}

.upload-hint {
    font-size: 16px; /* 放大一倍：12px -> 16px */
    color: #999;
}

/* 图片预览 */
.image-preview {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background: #f5f5f5;
    padding: 15px;
}

/* 图片画廊 */
.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
    margin-bottom: 10px;
}

.image-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.image-item:hover {
    transform: scale(1.02);
}

.image-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

.image-item .remove-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 20px;
    height: 20px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 0, 0, 0.8);
    color: white;
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-item .image-info {
    padding: 5px;
    font-size: 11px;
    color: #666;
    text-align: center;
    background: white;
}

#previewImg {
    width: 100%;
    max-height: 400px;
    object-fit: contain;
    background: #f5f5f5;
}

.clear-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.clear-btn:hover {
    background: rgba(0, 0, 0, 0.8);
}

/* 导出按钮 */
.export-btn {
    padding: 16px 32px; /* 减少内边距：24px -> 16px, 48px -> 32px */
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    color: white;
    border: none;
    border-radius: 12px; /* 减少圆角：16px -> 12px */
    font-size: 16px; /* 减少字体：24px -> 16px */
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    align-self: flex-start;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
}

.export-btn:hover {
    transform: translateY(-2px); /* 减少悬浮：-4px -> -2px */
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4); /* 减少阴影 */
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
}

.export-btn:active {
    transform: translateY(0);
}

.export-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* 响应式设计 */
@media (max-width: 1200px) { /* 调整断点以适应更大的设计 */
    .container {
        margin: 20px; /* 放大一倍：10px -> 20px */
        border-radius: 30px; /* 放大一倍：15px -> 30px */
        max-width: none; /* 移除最大宽度限制 */
    }
    
    .module {
        padding: 40px; /* 放大一倍：20px -> 40px */
        flex-direction: column; /* 小屏幕恢复垂直布局 */
        gap: 30px; /* 放大一倍：15px -> 30px */
    }
    
    .module h2 {
        min-width: auto; /* 移除固定宽度 */
        margin-bottom: 30px; /* 放大一倍：15px -> 30px */
        font-size: 2rem; /* 调整移动端字体大小 */
    }
    
    .container h1 {
        padding: 40px; /* 放大一倍：20px -> 40px */
        font-size: 2.5rem; /* 调整移动端字体大小 */
    }
    
    #textInput {
        min-height: 300px; /* 放大一倍：150px -> 300px */
        font-size: 20px; /* 调整移动端字体大小 */
    }
    
    .upload-area {
        padding: 60px 30px; /* 放大一倍：30px -> 60px, 15px -> 30px */
    }
    
    .font-label, .option-label {
        font-size: 18px; /* 调整移动端字体大小 */
    }
    
    .chinese-notice, .image-notice {
        font-size: 16px; /* 调整移动端字体大小 */
    }
    
    .export-btn {
        font-size: 20px; /* 调整移动端按钮字体大小 */
        padding: 20px 40px; /* 调整移动端按钮大小 */
    }
}

/* Hero 区块 */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 60px 20px 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    text-align: center;
}

/* Hero 内容 */
.hero-content {
    margin-bottom: 60px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    color: white;
    margin-bottom: 20px;
    letter-spacing: -2px;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 15px;
    font-weight: 500;
    line-height: 1.4;
}

.hero-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
    font-weight: 400;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* 主要功能卡片 */
.main-feature {
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.main-feature-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 30px;
    cursor: pointer;
}

.main-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.main-feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.main-feature-card:hover::before {
    transform: scaleX(1);
}

.main-feature-card:active {
    transform: translateY(-4px);
}

.main-card-icon {
    font-size: 4rem;
    flex-shrink: 0;
}

.main-card-content {
    flex: 1;
}

.main-card-title {
    font-size: 2rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 15px;
    line-height: 1.3;
}

.main-card-description {
    font-size: 1.2rem;
    color: #4a5568;
    line-height: 1.6;
    margin: 0;
}

.main-card-status {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
    flex-shrink: 0;
}

/* 功能卡片网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
}

/* 功能卡片 */
.feature-card {
    background: #fff;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* 高亮卡片样式 */
.highlight-card {
    background: linear-gradient(135deg, #f0f9ff 0%, #e1f5fe 100%);
    border: 2px solid #4fc3f7;
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(79, 195, 247, 0.2);
}

.highlight-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(79, 195, 247, 0.3);
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px auto;
    display: block;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

/* 功能卡片图标 */
.feature-card:nth-child(1) .card-icon {
    background-image: url('wtp.png'); /* Word转PDF */
}

.feature-card:nth-child(2) .card-icon {
    background-image: url('wtp-pro.png'); /* 全能版Word转PDF */
}

.feature-card:nth-child(3) .card-icon {
    background-image: url('etp.png'); /* Excel转PDF */
}

.feature-card:nth-child(4) .card-icon {
    background-image: url('page.png'); /* PDF页码编辑 */
}

.feature-card:nth-child(5) .card-icon {
    background-image: url('ptp.png'); /* PPT转PDF */
}

.highlight-card .card-icon {
    position: relative;
}

.highlight-card .card-icon::after {
    content: '🌟';
    position: absolute;
    top: -5px;
    right: -5px;
    font-size: 24px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #1a237e;
}

/* 新上线标签样式 */
.card-status.new {
    background: linear-gradient(90deg, #ff9800, #f57c00);
    color: white;
    font-weight: 600;
}

.card-description {
    font-size: 14px;
    line-height: 1.4;
    color: #4a5568;
    margin: 0;
    padding: 0 15px;
    text-align: center;
    max-width: 100%;
    transition: all 0.3s;
}

.card-description-en {
    font-size: 12px;
    line-height: 1.4;
    color: #718096;
    margin: 5px 0 0;
    padding: 0 15px;
    text-align: center;
    font-style: italic;
    max-width: 100%;
}

.card-status {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-status.available {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.card-status.coming {
    background: #e9ecef;
    color: #6c757d;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-section {
        padding: 40px 15px 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-content {
        margin-bottom: 40px;
    }
    
    /* 主要功能卡片移动端样式 */
    .main-feature {
        margin-bottom: 40px;
        max-width: none;
        margin-left: 0;
        margin-right: 0;
    }
    
    .main-feature-card {
        flex-direction: column;
        text-align: center;
        gap: 20px;
        padding: 30px 25px;
    }
    
    .main-card-icon {
        font-size: 3rem;
    }
    
    .main-card-title {
        font-size: 1.5rem;
        margin-bottom: 12px;
    }
    
    .main-card-description {
        font-size: 1rem;
    }
    
    .main-card-status {
        padding: 10px 25px;
        font-size: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feature-card {
        padding: 30px 25px;
    }
    
    .card-icon {
        width: 60px;
        height: 60px;
        margin: 0 auto 15px auto;
    }
    
    .card-title {
        font-size: 1.3rem;
        margin-bottom: 12px;
    }
    
    .card-description {
        font-size: 0.95rem;
        margin-bottom: 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    /* 主要功能卡片小屏幕样式 */
    .main-feature-card {
        padding: 25px 20px;
        gap: 15px;
    }
    
    .main-card-icon {
        font-size: 2.5rem;
    }
    
    .main-card-title {
        font-size: 1.3rem;
    }
    
    .main-card-description {
        font-size: 0.95rem;
    }
    
    .main-card-status {
        padding: 8px 20px;
        font-size: 0.9rem;
    }
    
    .feature-card {
        padding: 25px 20px;
    }
}

/* 页面区块通用样式 */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 15px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #4a5568;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* Features 区块 */
.features-section {
    padding: 80px 0;
    background: white;
}

.features-content {
    text-align: left;
    padding: 40px;
    background: white;
    border-radius: 15px;
}

.features-content-text-en {
    background-color: #fff8f0;
    border-radius: 15px;
    padding: 30px;
    border: 1px solid rgba(255, 193, 7, 0.2);
}

.features-content-text-en h3 {
    color: #2d3748;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    text-align: center;
}

.features-content-text-en p {
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 20px;
}

.feature-group {
    margin-bottom: 30px;
}

.feature-group h4 {
    color: #2d3748;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.feature-group p {
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 15px;
}

/* How 区块 */
.how-section {
    padding: 80px 0;
    background: white;
}

.how-content {
    text-align: left;
    padding: 40px;
    background: white;
    border-radius: 15px;
}

.how-content .usage-steps {
    background-color: #fff8f0;
    border-radius: 15px;
    padding: 30px;
    border: 1px solid rgba(255, 193, 7, 0.2);
}

.how-content .usage-steps h3 {
    color: #2d3748;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    text-align: center;
}

.how-content .usage-steps p {
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 20px;
}

.how-content .step-group {
    margin-top: 30px;
}

.how-content .step-item {
    margin-bottom: 20px;
}

.how-content .advanced-usage {
    margin-top: 30px;
}

.how-content .advanced-usage h3 {
    color: #2d3748;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    text-align: center;
}

.how-content .advanced-usage p {
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 20px;
}

.how-content .advanced-features-list {
    padding-left: 20px;
    margin-bottom: 20px;
}

.how-content .advanced-features-list li {
    padding: 8px 0;
}

/* What 区块 */
.what-section {
    padding: 80px 0;
    background: white;
}

.what-content {
    text-align: left;
    padding: 40px;
    background: white;
    border-radius: 15px;
}

.what-content-text {
    background-color: #fff8f0;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 193, 7, 0.2);
}

.what-content-text h3 {
    color: #2d3748;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.what-content-text p {
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 20px;
}

.what-content-text ul.scenario-list {
    list-style-type: none;
    padding: 0;
    margin: 0 0 20px 0;
}

.what-content-text ul.scenario-list li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 193, 7, 0.1);
}

.what-content-text ul.scenario-list li:last-child {
    border-bottom: none;
}

/* Why 区块 */
.why-section {
    padding: 80px 0;
    background: white;
}

.why-content {
    text-align: left;
    padding: 40px;
    background: white;
    border-radius: 15px;
}

.why-content .usage-steps {
    background-color: #fff8f0;
    border-radius: 15px;
    padding: 30px;
    border: 1px solid rgba(255, 193, 7, 0.2);
}

.why-content .usage-steps h3 {
    color: #2d3748;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    text-align: center;
}

.why-content .usage-steps p {
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 20px;
}

.why-content .step-group {
    margin-top: 30px;
}

.why-content .advanced-usage {
    margin-top: 30px;
}

.why-content .advanced-usage h3 {
    color: #2d3748;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    text-align: center;
}

.why-content .advanced-usage p {
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 20px;
}

.why-content .advanced-features-list {
    padding-left: 20px;
    margin-bottom: 20px;
}

.why-content .advanced-features-list li {
    padding: 8px 0;
}

/* FAQ 区块 */
.faq-section {
    padding: 80px 0;
    background: white;
}

.faq-content {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, #fff8f0 0%, #fef7ed 100%);
    border-radius: 15px;
    border: 1px solid rgba(255, 193, 7, 0.2);
}

/* Footer 区块 */
.site-footer {
    background: #2d3748;
    color: white;
    padding: 60px 0 30px;
}

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

.footer-content {
    text-align: center;
    padding: 40px;
}

.footer-content p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .section-container {
        padding: 0 15px;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 12px;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .features-section,
    .how-section,
    .what-section,
    .faq-section {
        padding: 60px 0;
    }
    
    .features-content,
    .how-content,
    .what-content,
    .faq-content {
        padding: 30px 20px;
    }
    
    .site-footer {
        padding: 40px 0 20px;
    }
    
    .footer-content {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .features-section,
    .how-section,
    .what-section,
    .faq-section {
        padding: 40px 0;
    }
    
    .features-content,
    .how-content,
    .what-content,
    .faq-content {
        padding: 25px 15px;
    }
}

.feature-icon {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.05);
}