/* Reset and Base Styles - Version 4.2 - 2025-06-15-00:00 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* Header Styles */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* 锚点偏移修复 - 补偿固定头部的高度 */
.tools-category {
    scroll-margin-top: 100px; /* 为固定头部留出空间 */
}

.navbar {
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #2563eb;
    font-size: 1.5rem;
    font-weight: bold;
    line-height: 1.2;
    transition: opacity 0.3s;
}

.brand-link:hover {
    opacity: 0.9;
}

.brand-logo {
    height: 32px;
    width: auto;
    max-width: 120px;
    margin-right: 0.8rem;
    transition: transform 0.3s;
    object-fit: contain;
}

.brand-logo:hover {
    transform: scale(1.05);
}

.navbar-menu {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-link {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: color 0.3s;
    display: inline-block;
    padding: 0.5rem 0;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: #2563eb;
}

/* Dropdown Menu Styles */
.nav-dropdown {
    position: relative;
    white-space: nowrap;
    display: inline-block;
}

.dropdown-toggle {
    cursor: pointer;
    display: inline-block;
    white-space: nowrap;
    position: relative;
}



.dropdown-toggle:hover {
    color: #2563eb;
}



.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
    z-index: 1000;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    color: #374151;
    text-decoration: none;
    transition: all 0.3s;
    border-bottom: 1px solid #f3f4f6;
}

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

.dropdown-item:hover {
    background: #f8f9fa;
    color: #2563eb;
    padding-left: 1.5rem;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: #2563eb;
    color: white;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: #10b981;
    border: 2px solid #10b981;
}

.btn-secondary:hover {
    background: #10b981;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.3);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

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

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    line-height: 1.8;
}

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

.hero-actions .btn {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-actions .btn small {
    font-size: 0.8rem;
    opacity: 0.8;
    margin-top: 0.25rem;
}

/* Software Preview */
.software-preview {
    perspective: 1000px;
}

.hero-screenshot {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    transform: rotateY(-15deg) rotateX(10deg);
    transition: transform 0.3s;
}

.hero-screenshot:hover {
    transform: rotateY(-10deg) rotateX(5deg);
}

.hero-screenshot-img {
    width: 100%;
    max-width: 600px;
    height: auto;
    display: block;
    object-fit: contain;
}

.screenshot-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 1rem;
    pointer-events: none;
}

.overlay-badge-bottom {
    color: white;
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    text-align: center;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    letter-spacing: 0.5px;
}

.window-frame {
    background: #f8f9fa;
    border-radius: 8px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    transform: rotateY(-15deg) rotateX(10deg);
    transition: transform 0.3s;
}

.window-frame:hover {
    transform: rotateY(-10deg) rotateX(5deg);
}

.window-header {
    background: #e9ecef;
    padding: 0.75rem 1rem;
    border-radius: 8px 8px 0 0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

.control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.control.close { background: #ff5f56; }
.control.minimize { background: #ffbd2e; }
.control.maximize { background: #27ca3f; }

.window-title {
    font-weight: 500;
    color: #666;
}

.window-content {
    padding: 2rem;
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.tool-grid .tool-item {
    background: #2563eb;
    color: white;
    padding: 1rem;
    border-radius: 4px;
    text-align: center;
    font-weight: 500;
    font-size: 0.9rem;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: #f8f9fa;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.section-header p {
    font-size: 1.2rem;
    color: #666;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* Tools Section - Compact Version */
.tools {
    padding: 3rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
}

.tools::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* Compact Tools Showcase */
.tools-showcase-compact {
    position: relative;
    z-index: 1;
    padding: 2rem 0;
}

.tools-grid-compact {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.tool-card-compact {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    border: 1px solid #f1f5f9;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.tool-card-compact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #06b6d4);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tool-card-compact:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
    border-color: #e0f2fe;
}

.tool-card-compact:hover::before {
    opacity: 1;
}

.tool-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #e2e8f0;
}

.tool-header .tool-icon {
    font-size: 1.5rem;
    padding: 0.5rem;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    border-radius: 8px;
}

.tool-header h3 {
    font-size: 1.1rem;
    color: #1e293b;
    margin: 0;
    font-weight: 600;
}

.tool-list-compact {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.tool-item-compact {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: #fafbfc;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
}

.tool-item-compact::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #3b82f6, #06b6d4);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.tool-item-compact:hover {
    background: #f0f9ff;
    border-color: #bae6fd;
    transform: translateX(6px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

.tool-item-compact:hover::before {
    transform: scaleY(1);
}

.item-icon {
    width: 2.5rem;
    height: 2.5rem;
    min-width: 2.5rem;
    min-height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    flex-shrink: 0;
    font-size: 1.3rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.tool-item-compact:hover .item-icon {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-color: #93c5fd;
    transform: scale(1.05);
}



.item-name {
    font-weight: 700;
    color: #1e293b;
    font-size: 1rem;
    min-width: 100px;
    letter-spacing: -0.025em;
}

.item-desc {
    font-size: 0.875rem;
    color: #64748b;
    flex: 1;
    line-height: 1.4;
    font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .tools-grid-compact {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .tool-card-compact {
        padding: 1.5rem;
    }
}

@media (max-width: 768px) {
    .tools-grid-compact {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .tool-card-compact {
        padding: 1.25rem;
    }

    .tool-item-compact {
        padding: 0.875rem 1rem;
    }

    .item-icon {
        width: 2.25rem;
        height: 2.25rem;
        min-width: 2.25rem;
        min-height: 2.25rem;
    }


}

.tools-showcase {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    position: relative;
    z-index: 1;
}

.tool-category-section {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    border: 1px solid rgba(255,255,255,0.8);
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

.tool-category-section:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.category-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.category-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    display: inline-block;
    padding: 1rem;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 50%;
    color: white;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.category-header h3 {
    font-size: 2rem;
    color: #1e293b;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.category-header p {
    color: #64748b;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

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

.tool-item-modern {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 16px;
    padding: 2rem;
    border: 2px solid #e2e8f0;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.tool-item-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #2563eb, #3b82f6, #8b5cf6);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.tool-item-modern:hover::before {
    transform: scaleX(1);
}

.tool-item-modern:hover {
    transform: translateY(-3px);
    border-color: #2563eb;
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.2);
}

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

.tool-icon-large {
    font-size: 3rem;
    padding: 1rem;
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    border-radius: 12px;
    border: 2px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 100px;
    min-height: 100px;
}

.tool-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.status-dot.active {
    background: #10b981;
}

.status-dot.warning {
    background: #f59e0b;
}

.status-dot.success {
    background: #06b6d4;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.tool-info h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.tool-info h4 a {
    color: #1e293b;
    text-decoration: none;
    transition: color 0.3s;
}

.tool-info h4 a:hover {
    color: #2563eb;
}

.tool-info p {
    color: #64748b;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.tool-features {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tool-features span {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    color: #1e40af;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid #93c5fd;
}

.tools-footer {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem;
    background: linear-gradient(135deg, #1e293b, #334155);
    border-radius: 20px;
    color: white;
    position: relative;
    overflow: hidden;
}

.tools-footer::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%); }
}

.tools-summary {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

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

.summary-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: #60a5fa;
    margin-bottom: 0.5rem;
}

.summary-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* Statistics Section */
.statistics {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.statistics::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="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

/* Compact Statistics */
.stats-content-compact {
    position: relative;
    z-index: 1;
}

.stats-header-compact {
    text-align: center;
    margin-bottom: 2rem;
}

.stats-header-compact h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.stats-grid-compact {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.stat-item-compact {
    text-align: center;
    padding: 1.5rem 1rem;
    background: rgba(255,255,255,0.15);
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

.stat-item-compact:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.stat-item-compact .stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #60a5fa;
    margin-bottom: 0.5rem;
    display: block;
    text-shadow: 0 0 15px rgba(96, 165, 250, 0.5);
    /* 防止布局偏移的优化 */
    min-height: 3rem;
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
    /* 静态显示优化 */
    contain: layout;
}

.stat-item-compact .stat-label {
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0.9;
}

/* 数字静态显示优化 */
.stat-number.static-display {
    /* 数字已静态显示，无需额外样式 */
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255,255,255,0.1);
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

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

.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    padding: 1rem;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    backdrop-filter: blur(5px);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: bold;
    color: #60a5fa;
    margin-bottom: 0.5rem;
    display: block;
    text-shadow: 0 0 20px rgba(96, 165, 250, 0.5);
}

.stat-label {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.stat-description {
    font-size: 0.9rem;
    opacity: 0.7;
    line-height: 1.4;
}

/* Use Cases Section - Compact */
.use-cases {
    padding: 3rem 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
}

.use-cases::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 70% 30%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* Compact Use Cases */
.cases-showcase-compact {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    position: relative;
    z-index: 1;
}

.case-card-compact {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid #e2e8f0;
    transition: all 0.3s;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.case-card-compact:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.15);
    border-color: #2563eb;
}

.case-card-compact .case-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: inline-block;
    padding: 0.75rem;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.case-card-compact h3 {
    font-size: 1.2rem;
    color: #1e293b;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.case-card-compact p {
    color: #64748b;
    margin-bottom: 1rem;
    line-height: 1.5;
    font-size: 0.9rem;
}

.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    justify-content: center;
}

.case-tags span {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    color: #1e40af;
    padding: 0.25rem 0.5rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid #93c5fd;
}

.cases-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.case-card-modern {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid #e2e8f0;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}

.case-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(139, 92, 246, 0.05));
    opacity: 0;
    transition: opacity 0.3s;
}

.case-card-modern:hover::before {
    opacity: 1;
}

.case-card-modern:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.2);
    border-color: #2563eb;
}

.case-visual {
    margin-bottom: 2rem;
}

.case-icon-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.case-icon {
    font-size: 3.5rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 20px;
    color: white;
    display: block;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
    position: relative;
    z-index: 2;
}

.case-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    to { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

.case-workflow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.workflow-step {
    background: #e2e8f0;
    color: #64748b;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.3s;
}

.workflow-step.active {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.workflow-arrow {
    color: #94a3b8;
    font-weight: bold;
}

.case-content h3 {
    font-size: 1.5rem;
    color: #1e293b;
    margin-bottom: 1rem;
    font-weight: 700;
}

.case-content p {
    color: #64748b;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.case-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    background: rgba(37, 99, 235, 0.05);
    border-radius: 8px;
    transition: all 0.3s;
}

.feature-item:hover {
    background: rgba(37, 99, 235, 0.1);
    transform: translateX(5px);
}

.feature-icon {
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: bold;
    flex-shrink: 0;
}

.feature-item span:last-child {
    color: #374151;
    font-weight: 500;
}

/* Advantages Section */
.advantages {
    padding: 5rem 0;
    background: #f8f9fa;
}

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

.advantage-item {
    display: flex;
    align-items: flex-start;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.advantage-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.advantage-icon {
    font-size: 2rem;
    margin-right: 1.5rem;
    color: #10b981;
    min-width: 3rem;
}

.advantage-text h3 {
    color: #333;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.advantage-text p {
    color: #666;
    line-height: 1.6;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #2563eb;
}

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

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

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #2563eb;
}

.disclaimer {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: 1rem;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
    color: #9ca3af;
}

.footer-links {
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #2563eb;
}

.footer-links .separator {
    margin: 0 0.5rem;
    color: #6b7280;
}

/* 中等屏幕优化 */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 1000;
}

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

.scroll-to-top:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Enhanced Button Styles */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

/* Enhanced Card Hover Effects */
.feature-card {
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(139, 92, 246, 0.1));
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card:hover::before {
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 1024px) {
    .navbar-menu {
        gap: 1rem;
    }

    .dropdown-arrow {
        margin-left: 0.15rem;
        font-size: 0.6rem;
    }

    .tools-grid-compact {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .cases-showcase-compact {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid-compact {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    /* 移动端图片优化 */
    .brand-logo {
        height: 28px;
        max-width: 100px;
    }

    .hero-screenshot-img {
        max-width: 400px;
    }

    .tool-screenshot {
        max-width: 350px;
    }

    /* 移动端底部标识优化 */
    .overlay-badge-bottom {
        font-size: 0.8rem;
        padding: 0.6rem 1rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .navbar-menu {
        display: none;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .tools-grid-compact {
        grid-template-columns: 1fr;
    }

    .cases-showcase-compact {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .advantages-content {
        grid-template-columns: 1fr;
    }

    .stats-grid-compact {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .hero-actions {
        justify-content: center;
    }

    .navbar-actions {
        display: none;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        text-align: center;
    }

    .version-info-vertical {
        max-width: 100%;
    }

    .version-info-text p {
        font-size: 0.95rem;
    }

/* Download Page Styles */
.download-page {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.download-page h1 {
    color: #2c3e50;
    font-size: 2rem;
    margin-bottom: 1rem;
    text-align: center;
}

.download-page h2 {
    color: #34495e;
    font-size: 1.3rem;
    margin: 2rem 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #3498db;
}

.download-page h3 {
    color: #2c3e50;
    font-size: 1.1rem;
    margin: 1.5rem 0 0.5rem 0;
}

.download-page p {
    line-height: 1.6;
    margin-bottom: 1rem;
    color: #555;
}

.download-links {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1rem 0;
    border-left: 4px solid #3498db;
}

.download-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.download-links li {
    margin: 0.5rem 0;
}

.download-links a {
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
    padding: 0.3rem 0.5rem;
    border-radius: 4px;
    transition: all 0.3s;
    display: inline-block;
}

.download-links a:hover {
    background: #3498db;
    color: white;
    transform: translateX(5px);
}

.version-section {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border-left: 4px solid #27ae60;
}

.version-section.old-version {
    border-left-color: #95a5a6;
    background: #fafafa;
}

.version-section.old-version .download-links {
    background: #ecf0f1;
    border-left-color: #95a5a6;
}

.version-section.old-version .download-links a {
    color: #7f8c8d;
}

.version-section.no-download {
    border-left-color: #e74c3c;
    background: #fdf2f2;
}

.version-section.no-download .download-links {
    background: #fce4e4;
    border-left-color: #e74c3c;
}

.system-requirements {
    background: #e8f4fd;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 2rem 0;
    border-left: 4px solid #2196f3;
}

.usage-instructions {
    background: #f0f8e8;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 2rem 0;
    border-left: 4px solid #4caf50;
}

.tech-support {
    background: #fff3e0;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 2rem 0;
    border-left: 4px solid #ff9800;
}

.disclaimer {
    background: #fafafa;
    border-radius: 8px;
    padding: 1rem;
    margin: 2rem 0;
    font-style: italic;
    color: #666;
    text-align: center;
    border: 1px solid #ddd;
}

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .case-card-compact {
        padding: 1rem;
    }

    .case-card-compact .case-icon {
        font-size: 2rem;
        padding: 0.5rem;
    }

    .case-card-compact h3 {
        font-size: 1.1rem;
    }

    .case-card-compact p {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .btn-large {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }

    .tool-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Page Styles for Single Pages */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.page-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.page-description {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
}

.page-content {
    padding: 3rem 0;
    background: #fff;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: start;
}

.content {
    max-width: none;
    background: white;
}

.content h1, .content h2, .content h3, .content h4, .content h5, .content h6 {
    color: #333;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.content h1 {
    font-size: 2.2rem;
    border-bottom: 3px solid #2563eb;
    padding-bottom: 0.5rem;
    margin-top: 0;
}

.content h2 {
    font-size: 1.8rem;
    color: #2563eb;
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 0.3rem;
}

.content h3 {
    font-size: 1.4rem;
    color: #4f46e5;
}

.content h4 {
    font-size: 1.2rem;
    color: #6366f1;
}

.content p {
    margin-bottom: 1.2rem;
    line-height: 1.8;
    color: #374151;
}

.content ul, .content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.content li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.content blockquote {
    border-left: 4px solid #2563eb;
    padding-left: 1.5rem;
    margin: 1.5rem 0;
    font-style: italic;
    color: #6b7280;
    background: #f8fafc;
    padding: 1rem 1.5rem;
    border-radius: 0 6px 6px 0;
}

.content code {
    background: #f1f5f9;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
    color: #e11d48;
}

.content pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
    border: 1px solid #334155;
}

.content pre code {
    background: none;
    padding: 0;
    color: inherit;
    font-size: 0.9rem;
}

.content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border-radius: 8px;
    overflow: hidden;
}

.content th,
.content td {
    border: 1px solid #e5e7eb;
    padding: 0.75rem 1rem;
    text-align: left;
}

.content th {
    background: #f9fafb;
    font-weight: 600;
    color: #374151;
}

.content td {
    color: #6b7280;
}

.content a {
    color: #2563eb;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.3s;
}

.content a:hover {
    color: #1d4ed8;
    border-bottom-color: #1d4ed8;
}

/* Special Content Elements */
.content strong {
    color: #2563eb;
    font-weight: 600;
}

.content em {
    color: #6366f1;
}

/* List Styles */
.content ul li::marker {
    color: #2563eb;
}

.content ol li::marker {
    color: #2563eb;
    font-weight: 600;
}

/* Table of Contents */
.toc {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    height: fit-content;
    position: sticky;
    top: 100px;
    border: 1px solid #e5e7eb;
}

.toc h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: #333;
    font-size: 1.1rem;
    border-bottom: 2px solid #2563eb;
    padding-bottom: 0.5rem;
}

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

.toc li {
    margin-bottom: 0.5rem;
}

.toc a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.9rem;
    display: block;
    padding: 0.25rem 0;
}

.toc a:hover {
    color: #2563eb;
    border-bottom: none;
}

/* Responsive Design for Content Pages */
@media (max-width: 1024px) {
    .content-wrapper {
        grid-template-columns: 1fr 200px;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .content-wrapper {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .toc {
        order: -1;
        position: static;
        margin-bottom: 2rem;
    }

    .page-title {
        font-size: 2rem;
    }

    .page-content {
        padding: 2rem 0;
    }

    .content h1 {
        font-size: 1.8rem;
    }

    .content h2 {
        font-size: 1.5rem;
    }
}

/* Page List Styles */
.page-list {
    margin-top: 2rem;
}

.page-item {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.page-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    border-color: #2563eb;
}

.page-item:last-child {
    margin-bottom: 0;
}

.page-item h2 {
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
}

.page-item h2 a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

.page-item h2 a:hover {
    color: #2563eb;
}

.page-summary {
    color: #6b7280;
    margin: 0.5rem 0 1rem 0;
    line-height: 1.6;
    font-size: 1rem;
}

.page-meta {
    color: #9ca3af;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.page-meta time {
    display: flex;
    align-items: center;
}

.page-meta time::before {
    content: "📅";
    margin-right: 0.5rem;
}

/* Special Content Styling */
.content .highlight-box {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-left: 4px solid #0ea5e9;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 8px 8px 0;
}

.content .warning-box {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left: 4px solid #f59e0b;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 8px 8px 0;
}

.content .success-box {
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    border-left: 4px solid #10b981;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 8px 8px 0;
}

.content .error-box {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border-left: 4px solid #ef4444;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 8px 8px 0;
}

/* Enhanced Typography */
.content h2::before {
    content: "🔧";
    margin-right: 0.5rem;
    font-size: 0.9em;
}

.content h3::before {
    content: "▶";
    margin-right: 0.5rem;
    color: #2563eb;
    font-size: 0.8em;
}

/* Download Button Styling */
.download-button {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    margin: 1rem 0;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.download-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
    color: white;
    border-bottom: none;
}

.download-button::before {
    content: "⬇️";
    margin-right: 0.5rem;
}

/* Feature Icons */
.content li strong::before {
    margin-right: 0.5rem;
}

.content li:has(strong:contains("CPU")) strong::before {
    content: "🖥️";
}

.content li:has(strong:contains("GPU")) strong::before {
    content: "🎮";
}

.content li:has(strong:contains("内存")) strong::before {
    content: "💾";
}

.content li:has(strong:contains("硬盘")) strong::before {
    content: "💿";
}

.content li:has(strong:contains("温度")) strong::before {
    content: "🌡️";
}

.content li:has(strong:contains("硬件")) strong::before {
    content: "⚡";
}

/* Smooth Animations */
.content {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Download Button Styles */
.download-buttons {
    display: flex;
    gap: 1rem;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    min-width: 200px;
}

.download-btn.official {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
}

.download-btn.green {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    color: white;
    border-bottom: none;
}

.download-btn .btn-icon {
    font-size: 1.5rem;
    margin-right: 1rem;
}

.download-btn .btn-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.download-btn .btn-text {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.download-btn small {
    font-size: 0.8rem;
    opacity: 0.9;
    font-weight: 400;
}

/* Large Download Buttons for Download Page */
.download-buttons-main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.download-btn-large {
    display: flex;
    align-items: center;
    padding: 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    border: 2px solid transparent;
}

.download-btn-large.official {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
}

.download-btn-large.green {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.download-btn-large:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.2);
    color: white;
    border-bottom: none;
}

.download-btn-large .btn-icon {
    font-size: 3rem;
    margin-right: 1.5rem;
}

.download-btn-large .btn-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.download-btn-large .btn-text {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.download-btn-large .btn-subtitle {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.download-btn-large small {
    font-size: 0.9rem;
    opacity: 0.8;
    font-weight: 400;
}

/* Hero Download Section */
.download-info {
    text-align: center;
    margin-bottom: 2rem;
}

.version-info-text {
    text-align: left;
    margin-bottom: 1rem;
}

.version-info-text p {
    font-size: 1rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.4;
    margin: 0.1rem 0;
}

/* Tool Download Section */
.tool-download-section {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem 0;
    border: 1px solid #e5e7eb;
}

/* Backup Downloads */
.backup-downloads {
    margin-top: 2rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #6b7280;
}

.backup-downloads h5 {
    margin: 0 0 1rem 0;
    color: #374151;
    font-size: 1rem;
}

.backup-downloads ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.backup-downloads li {
    margin-bottom: 0.5rem;
}

.backup-downloads a {
    color: #6b7280;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.backup-downloads a:hover {
    color: #2563eb;
    border-bottom: none;
}

/* Responsive Design for Download Buttons */
@media (max-width: 768px) {
    .download-buttons {
        flex-direction: column;
    }

    .download-btn {
        min-width: auto;
        justify-content: center;
        text-align: center;
    }

    .download-buttons-main {
        grid-template-columns: 1fr;
    }

    .version-info {
        flex-direction: column;
        gap: 0.5rem;
    }

    .download-btn-large .btn-icon {
        font-size: 2rem;
        margin-right: 1rem;
    }

    .download-btn-large .btn-text {
        font-size: 1.2rem;
    }
}

/* Tools Collection Page Styles */
.tools-overview-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
}

.tools-overview-stats .stat-item {
    text-align: center;
    color: white;
}

.tools-overview-stats .stat-number {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.tools-overview-stats .stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Tools Navigation */
.tools-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.nav-btn {
    background: white;
    border: 2px solid #e2e8f0;
    color: #64748b;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
}

.nav-btn:hover {
    border-color: #2563eb;
    color: #2563eb;
    transform: translateY(-2px);
}

.nav-btn.active {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-color: #2563eb;
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* Tools Category */
.tools-category {
    margin-bottom: 4rem;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-radius: 16px;
    border-left: 5px solid #2563eb;
}

.category-icon {
    font-size: 3rem;
    padding: 1rem;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    border-radius: 16px;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.category-info h2 {
    font-size: 1.8rem;
    color: #1e293b;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.category-info p {
    color: #64748b;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.tool-count {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    color: #1e40af;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid #93c5fd;
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.tool-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid #e2e8f0;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #2563eb, #3b82f6, #8b5cf6);
    transform: scaleX(0);
    transition: transform 0.3s;
}

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

.tool-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    border-color: #2563eb;
}

.tool-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.tool-card .tool-icon {
    font-size: 2rem;
    padding: 0.5rem;
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    border-radius: 8px;
    border: 2px solid #e2e8f0;
}

.tool-status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tool-status-badge.detailed {
    background: linear-gradient(135deg, #dcfce7, #bbf7d0);
    color: #166534;
    border: 1px solid #86efac;
}

.tool-status-badge.coming {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #92400e;
    border: 1px solid #fbbf24;
}

.tool-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.tool-card h3 a {
    color: #1e293b;
    text-decoration: none;
    transition: color 0.3s;
}

.tool-card h3 a:hover {
    color: #2563eb;
}

.tool-card p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.tool-features {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tool-features span {
    background: linear-gradient(135deg, #e0f2fe, #bae6fd);
    color: #0c4a6e;
    padding: 0.25rem 0.5rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid #7dd3fc;
}

/* More Tools Notice */
.more-tools-notice {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border: 2px solid #0ea5e9;
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
    margin-top: 4rem;
}

.notice-content h3 {
    color: #0c4a6e;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.notice-content p {
    color: #0369a1;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.notice-content .btn {
    margin-top: 1rem;
}

/* Responsive Design for Tools Collection */
@media (max-width: 1024px) {
    .tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }

    .category-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .tools-overview-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .tools-nav {
        gap: 0.5rem;
    }

    .nav-btn {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }

    .tools-grid {
        grid-template-columns: 1fr;
    }

    .category-header {
        padding: 1.5rem;
    }

    .category-icon {
        font-size: 2rem;
        padding: 0.75rem;
    }

    .category-info h2 {
        font-size: 1.5rem;
    }

    .more-tools-notice {
        padding: 2rem;
    }
}

/* Tool Detail Page Styles */
.tool-page-header {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    padding: 2rem 0 3rem;
    position: relative;
    overflow: hidden;
}

/* Tool Screenshots */
.tool-screenshots {
    margin-bottom: 3rem;
}

.tool-screenshots h2 {
    color: #1e293b;
    margin-bottom: 2rem;
    font-size: 1.8rem;
    font-weight: 600;
}

/* 工具截图画廊 */
.tool-screenshots-gallery {
    margin-bottom: 3rem;
}

.tool-screenshots-gallery h2 {
    color: #1e293b;
    margin-bottom: 2rem;
    font-size: 1.8rem;
    font-weight: 600;
    text-align: center;
}

/* 紧密布局的截图容器 */
.screenshots-compact-layout {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.screenshot-compact-item {
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid #e2e8f0;
}

.screenshot-title {
    color: #1e293b;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-align: center;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #3b82f6;
    display: inline-block;
    width: 100%;
}

/* 内联截图样式 */
.tool-screenshot-inline {
    margin: 3rem 0;
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.tool-screenshot-inline .screenshot-title {
    color: #1e293b;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
    padding-bottom: 0.8rem;
    border-bottom: 3px solid #3b82f6;
    display: block;
    position: relative;
}

.tool-screenshot-inline .screenshot-title::before {
    content: "📸";
    margin-right: 0.5rem;
}

/* 第二张截图区域 */
.tool-screenshots-secondary {
    margin: 3rem 0;
    padding: 2rem 0;
    border-top: 1px solid #e2e8f0;
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    border-radius: 12px;
}

.tool-screenshots-secondary h2 {
    color: #1e293b;
    margin-bottom: 2rem;
    font-size: 1.6rem;
    font-weight: 600;
    text-align: center;
}

/* 版本对比样式 */
.version-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.version-card {
    background: linear-gradient(135deg, #ffffff, #f8fafc);
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.version-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    border-color: #3b82f6;
}

.version-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.version-card h3 {
    color: #1e293b;
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.version-features {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.feature-item {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0.5rem 0;
    font-size: 0.95rem;
    color: #475569;
}

/* 移动端响应式 */
@media (max-width: 768px) {
    .version-comparison {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .version-card {
        padding: 1.5rem;
    }

    .version-icon {
        font-size: 2.5rem;
    }

    /* 紧密布局移动端优化 */
    .screenshots-compact-layout {
        gap: 1.5rem;
    }

    .screenshot-compact-item {
        padding: 1rem;
    }

    .screenshot-title {
        font-size: 1.1rem;
    }
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.screenshot-single {
    display: flex;
    justify-content: center;
}

.screenshot-single .screenshot-item {
    max-width: 600px;
    width: 100%;
}

/* 多张截图画廊样式 */
.screenshot-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    justify-items: center;
}

.screenshot-gallery .screenshot-item {
    max-width: 500px;
    width: 100%;
}

/* 移动端响应式 */
@media (max-width: 768px) {
    .screenshot-gallery {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .screenshot-gallery .screenshot-item {
        max-width: 100%;
    }
}

.screenshot-item {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.screenshot-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.tool-screenshot {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: all 0.3s;
    object-fit: contain;
}

.tool-screenshot:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.screenshot-placeholder {
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    border: 2px dashed #cbd5e1;
    padding: 3rem 2rem;
    text-align: center;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: all 0.3s;
}

.screenshot-placeholder:hover {
    background: linear-gradient(135deg, #e0f2fe, #bae6fd);
    border-color: #0ea5e9;
}

.placeholder-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.placeholder-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: #475569;
    margin-bottom: 0.5rem;
}

.placeholder-desc {
    font-size: 0.9rem;
    color: #64748b;
    line-height: 1.4;
}

/* Step Image Placeholder */
.step-image-placeholder {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border: 2px dashed #cbd5e1;
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    margin-top: 1rem;
    transition: all 0.3s;
}

.step-image-placeholder:hover {
    background: linear-gradient(135deg, #e0f2fe, #bae6fd);
    border-color: #0ea5e9;
}

.step-image-placeholder .placeholder-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.step-image-placeholder .placeholder-text {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.step-image-placeholder .placeholder-desc {
    font-size: 0.8rem;
}

.tool-page-header::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="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.tool-breadcrumb {
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.tool-breadcrumb a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s;
}

.tool-breadcrumb a:hover {
    color: white;
}

.breadcrumb-separator {
    margin: 0 0.5rem;
    color: #64748b;
}

.tool-breadcrumb .current {
    color: white;
    font-weight: 500;
}

/* 通用面包屑导航样式 */
.breadcrumb {
    background: #f8fafc;
    padding: 1rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.9rem;
}

.breadcrumb-list li {
    display: flex;
    align-items: center;
}

.breadcrumb-list li:not(:last-child)::after {
    content: ">";
    margin: 0 0.5rem;
    color: #94a3b8;
    font-weight: 500;
}

.breadcrumb-list a {
    color: #3182ce;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-list a:hover {
    color: #2c5aa0;
    text-decoration: underline;
}

.breadcrumb-list .current {
    color: #4a5568;
    font-weight: 500;
}

/* 教程内容区域内的元信息样式 */
.tutorial-meta-info {
    display: flex;
    gap: 2rem;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e2e8f0;
}

.tutorial-meta-info .meta-item {
    display: inline-flex;
    align-items: center;
    color: #4a5568;
    font-size: 0.9rem;
    white-space: nowrap;
}

.tutorial-meta-info .meta-label {
    font-weight: 400;
    margin-right: 0.25rem;
    color: #718096;
}

.tutorial-meta-info .meta-value {
    font-weight: 500;
    color: #2d3748;
}

/* 响应式样式 */
@media (max-width: 768px) {
    .tutorial-meta-info {
        gap: 1.5rem;
        flex-wrap: wrap;
    }

    .tutorial-meta-info .meta-item {
        font-size: 0.85rem;
    }
}

/* 首页教程推荐区域样式 */
.homepage-tutorials {
    padding: 4rem 0;
    background: #f8fafc;
}

.homepage-tutorials .section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.homepage-tutorials .section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #2d3748;
    margin: 0 0 1rem 0;
}

.homepage-tutorials .section-header p {
    font-size: 1.1rem;
    color: #4a5568;
    margin: 0;
}

.tutorials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.tutorial-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.tutorial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: #3182ce;
}

.tutorial-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: block;
}

.tutorial-title {
    margin: 0 0 1rem 0;
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.3;
}

.tutorial-title a {
    color: #2d3748;
    text-decoration: none;
    transition: color 0.3s ease;
}

.tutorial-title a:hover {
    color: #3182ce;
}

.tutorial-description {
    color: #4a5568;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0 0 1.5rem 0;
}

.tutorial-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.tutorial-level {
    background: #e6fffa;
    color: #065f46;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.tutorial-time {
    color: #718096;
    font-size: 0.85rem;
    font-weight: 500;
}

.tutorials-footer {
    text-align: center;
}

.tutorials-footer .btn {
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
}

/* 响应式样式 */
@media (max-width: 1024px) {
    .tutorials-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .homepage-tutorials {
        padding: 3rem 0;
    }

    .homepage-tutorials .section-header h2 {
        font-size: 1.5rem;
    }

    .tutorials-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 2rem;
    }

    .tutorial-card {
        padding: 1.5rem;
    }

    .tutorial-icon {
        font-size: 2rem;
        margin-bottom: 1rem;
    }

    .tutorial-title {
        font-size: 1.1rem;
    }
}

.tool-hero {
    position: relative;
    z-index: 1;
}

.tool-hero-content {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.tool-icon-large {
    flex-shrink: 0;
}

.tool-emoji {
    font-size: 5rem;
    display: block;
    padding: 2rem;
    background: rgba(255,255,255,0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,0.2);
}

.tool-logo-img {
    max-width: 80px;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 12px;
    background: #fff;
    padding: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: block;
}

.tool-card-logo {
    max-width: 40px;
    max-height: 40px;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 6px;
    display: block;
}

.tool-icon-img {
    background: #fff !important;
    padding: 6px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-width: 48px !important;
    min-height: 48px !important;
}

/* 响应式Logo尺寸调整 */
@media (max-width: 768px) {
    .tool-logo-img {
        max-width: 60px;
        max-height: 60px;
        padding: 6px;
    }

    .tool-card-logo {
        max-width: 32px;
        max-height: 32px;
    }

    .tool-icon-img {
        min-width: 40px !important;
        min-height: 40px !important;
        padding: 4px !important;
    }
}

.tool-info {
    flex: 1;
}

.tool-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.2;
}

.tool-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.tool-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.1);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    backdrop-filter: blur(5px);
}

.meta-icon {
    font-size: 1.2rem;
}

.meta-label {
    font-weight: 500;
    opacity: 0.8;
}

.meta-value {
    font-weight: 600;
}

.meta-value a {
    color: #3b82f6;
    text-decoration: none;
    transition: color 0.3s ease;
}

.meta-value a:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

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

/* Tool Page Content */
.tool-page-content {
    padding: 4rem 0;
    background: #f8fafc;
}

.tool-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
}

.tool-main-content {
    background: white;
    border-radius: 12px;
    padding: 3rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.tool-article {
    margin-bottom: 3rem;
}

.tool-article h2 {
    color: #1e293b;
    margin-bottom: 1rem;
    font-size: 1.8rem;
    font-weight: 600;
}

.tool-article h3 {
    color: #334155;
    margin-bottom: 0.75rem;
    font-size: 1.4rem;
    font-weight: 600;
}

.tool-article p {
    color: #64748b;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.tool-article ul, .tool-article ol {
    color: #64748b;
    line-height: 1.7;
    margin-bottom: 1rem;
    padding-left: 2rem;
}

/* Features Section */
.tool-features-section {
    margin-bottom: 3rem;
}

.tool-features-section h2 {
    color: #1e293b;
    margin-bottom: 2rem;
    font-size: 1.8rem;
    font-weight: 600;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: #f8fafc;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    text-align: center;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    border-color: #2563eb;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: #1e293b;
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

.feature-card p {
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Use Cases */
.tool-use-cases {
    margin-bottom: 3rem;
}

.tool-use-cases h2 {
    color: #1e293b;
    margin-bottom: 2rem;
    font-size: 1.8rem;
    font-weight: 600;
}

.use-cases-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.use-case-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: #f8fafc;
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid #2563eb;
}

.use-case-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.use-case-content h3 {
    color: #1e293b;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.use-case-content p {
    color: #64748b;
    line-height: 1.6;
    margin: 0;
}

/* Tutorial Steps */
.tool-tutorial {
    margin-bottom: 3rem;
}

.tool-tutorial h2 {
    color: #1e293b;
    margin-bottom: 2rem;
    font-size: 1.8rem;
    font-weight: 600;
}

.tutorial-steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.tutorial-step {
    display: flex;
    gap: 1.5rem;
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.step-number {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.step-content h3 {
    color: #1e293b;
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

.step-content p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.step-image {
    max-width: 100%;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

/* Notes */
.tool-notes {
    margin-bottom: 3rem;
}

.tool-notes h2 {
    color: #1e293b;
    margin-bottom: 2rem;
    font-size: 1.8rem;
    font-weight: 600;
}

.notes-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.note-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid;
}

.note-item.info {
    background: #f0f9ff;
    border-color: #0ea5e9;
    color: #0c4a6e;
}

.note-item.warning {
    background: #fffbeb;
    border-color: #f59e0b;
    color: #92400e;
}

.note-item.danger {
    background: #fef2f2;
    border-color: #ef4444;
    color: #991b1b;
}

.note-item.tip {
    background: #f0fdf4;
    border-color: #22c55e;
    color: #166534;
}

.note-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.note-content h4 {
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.note-content p {
    margin: 0;
    line-height: 1.6;
}

/* Sidebar */
.tool-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border: 1px solid #e2e8f0;
}

.sidebar-card h3 {
    color: #1e293b;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    font-weight: 600;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 0.5rem;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid #f1f5f9;
}

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

.info-label {
    font-weight: 500;
    color: #64748b;
}

.info-value {
    font-weight: 600;
    color: #1e293b;
}

.info-value a {
    color: #3b82f6;
    text-decoration: none;
    transition: color 0.3s ease;
}

.info-value a:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

.status-included {
    color: #059669 !important;
}

.related-tools {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.related-tool {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: #f8fafc;
    border-radius: 8px;
    text-decoration: none;
    color: #1e293b;
    transition: all 0.3s;
    border: 1px solid transparent;
}

.related-tool:hover {
    background: #e0f2fe;
    border-color: #0ea5e9;
    transform: translateX(3px);
}

.related-icon {
    font-size: 1.2rem;
}

.related-name {
    font-weight: 500;
}

.no-related-tools {
    text-align: center;
    padding: 2rem 1rem;
    color: #64748b;
}

.no-related-tools p {
    margin-bottom: 1rem;
    font-style: italic;
}

.view-all-tools {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.view-all-tools:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

/* Top Download Card */
.download-card-top {
    background: linear-gradient(135deg, #1e293b, #334155) !important;
    border: 2px solid #3b82f6 !important;
    color: white !important;
    position: relative;
    overflow: hidden;
}

.download-card-top::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;
}

.download-card-top h3 {
    color: white !important;
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    position: relative;
    z-index: 1;
}

.download-highlight {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255,255,255,0.1);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.download-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.download-text {
    flex: 1;
}

.download-title {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.download-desc {
    font-size: 0.85rem;
    opacity: 0.9;
    line-height: 1.4;
}

.download-features {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
    position: relative;
    z-index: 1;
}

.feature-item-small {
    font-size: 0.8rem;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.download-card {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe) !important;
    border-color: #2563eb !important;
}

.download-card h3 {
    color: #1e40af !important;
}

.download-card p {
    color: #1e40af;
    margin-bottom: 1.5rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Tool Navigation */
.tool-navigation {
    background: white;
    border-top: 1px solid #e2e8f0;
    padding: 2rem 0;
}

.nav-links {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: #64748b;
    transition: all 0.3s;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.nav-link:hover {
    color: #2563eb;
    border-color: #2563eb;
    transform: translateY(-2px);
}

/* 头部搜索框样式 */
.header-search {
    display: flex;
    align-items: center;
    position: relative;
}

.search-input {
    padding: 0.75rem 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 0.9rem;
    outline: none;
    width: 180px;
    background: #f8fafc;
    color: #374151;
    transition: all 0.3s ease;
    font-weight: 400;
}

.search-input:focus {
    border-color: #2563eb;
    background: white;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-input::placeholder {
    color: #9ca3af;
    font-weight: 400;
}

.search-btn {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    padding: 0.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: #6b7280;
    transition: all 0.3s ease;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-btn:hover {
    background: #f3f4f6;
    color: #2563eb;
}

.search-btn:active {
    background: #e5e7eb;
    transform: translateY(-50%) scale(0.95);
}

/* 搜索框响应式样式 */
@media (max-width: 1024px) {
    .search-input {
        width: 140px;
        padding: 0.6rem 0.8rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    .header-search {
        display: none; /* 在移动端隐藏，避免导航栏过于拥挤 */
    }
}



/* 特色教程区域样式 */
.featured-tutorials-section {
    margin: 3rem 0;
    padding: 2.5rem;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: #fafbfc;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    position: relative;
}

.featured-tutorials-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3182ce, #4299e1);
    border-radius: 12px 12px 0 0;
}

.featured-tutorials-section .section-title {
    color: #2d3748;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 1.5rem 0;
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.featured-tutorials-section .section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #3182ce;
    border-radius: 2px;
}

.featured-tutorials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.tutorial-card {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
}

.tutorial-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-2px);
    border-color: #3182ce;
}

.tutorial-card-header {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.tutorial-card-header .tutorial-icon {
    font-size: 1.25rem;
    margin-top: 0.25rem;
}

.tutorial-card-title {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.4;
}

.tutorial-card-title a {
    color: #2d3748;
    text-decoration: none;
}

.tutorial-card-title a:hover {
    color: #3182ce;
}

/* 让整个卡片可点击 */
.tutorial-card {
    cursor: pointer;
}

.tutorial-card:hover .tutorial-card-title a {
    color: #3182ce;
}

.tutorial-card-description {
    color: #4a5568;
    line-height: 1.5;
    margin: 0 0 1rem 0;
}

.tutorial-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.85rem;
}

.tutorial-difficulty {
    color: #f59e0b;
}

.tutorial-type {
    background: #edf2f7;
    color: #4a5568;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-weight: 500;
}



.search-card {
    border-style: dashed;
    border-color: #cbd5e0;
}

.search-card:hover {
    border-color: #3182ce;
    border-style: solid;
}

/* 教程推荐底部操作按钮 */
.featured-tutorials-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e2e8f0;
}

.tutorial-action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.tutorial-action-btn.primary {
    background: #3182ce;
    color: white;
    border-color: #3182ce;
}

.tutorial-action-btn.primary:hover {
    background: #2c5aa0;
    border-color: #2c5aa0;
    transform: translateY(-1px);
}

.tutorial-action-btn.secondary {
    background: white;
    color: #374151;
    border-color: #d1d5db;
}

.tutorial-action-btn.secondary:hover {
    background: #f9fafb;
    border-color: #9ca3af;
    color: #111827;
    transform: translateY(-1px);
}

.tutorial-action-btn .btn-icon {
    font-size: 1rem;
}

/* 侧边栏教程推荐样式 */
.tutorials-widget {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border: 1px solid #e2e8f0;
}

.tutorials-widget .widget-title {
    color: #2d3748;
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #3182ce;
}

.tutorials-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tutorial-item {
    display: flex;
    gap: 0.75rem;
    padding: 0.875rem;
    background: #f8fafc;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.tutorial-item:hover {
    background: #eff6ff;
    border-color: #3182ce;
    transform: translateY(-1px);
}

.tutorial-item:hover .tutorial-title {
    color: #3182ce;
}

.tutorial-item .tutorial-icon {
    font-size: 1.25rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.tutorial-content {
    flex: 1;
    min-width: 0;
}

.tutorials-widget .tutorial-title {
    margin: 0 0 0.4rem 0;
    font-size: 0.8rem !important;
    font-weight: 500;
    line-height: 1.25;
    color: #2d3748;
}

/* 元数据样式已删除，使用简洁格式 */

.tutorials-widget .tutorial-excerpt {
    color: #4a5568;
    font-size: 0.75rem !important;
    line-height: 1.3;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.widget-footer {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e2e8f0;
    text-align: center;
}

.view-all-link {
    color: #3182ce;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.view-all-link:hover {
    color: #2c5aa0;
}

/* 热门搜索标签云样式 */
.hot-searches-widget {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    border: none;
    position: relative;
    overflow: hidden;
}

.hot-searches-widget::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    pointer-events: none;
}

.hot-searches-widget .widget-title {
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 1rem 0;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
    position: relative;
    z-index: 1;
}

.hot-searches-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    align-items: center;
    justify-content: flex-start;
    position: relative;
    z-index: 1;
}

.search-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.9);
    color: #4a5568;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
    white-space: nowrap;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.search-tag:hover {
    background: rgba(255, 255, 255, 1);
    color: #667eea;
    border-color: rgba(255, 255, 255, 0.8);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* 不同权重的标签大小 */
.search-tag.tag-xl {
    font-size: 1.1rem;
    padding: 0.7rem 1.4rem;
    font-weight: 700;
    background: rgba(255, 255, 255, 1);
    color: #667eea;
    border: 2px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.15);
}

.search-tag.tag-xl:hover {
    color: #5a67d8;
    transform: translateY(-3px) scale(1.08);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.search-tag.tag-lg {
    font-size: 1rem;
    padding: 0.6rem 1.2rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.95);
}

.search-tag.tag-md {
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.9);
}

.search-tag.tag-sm {
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
    font-weight: 400;
    background: rgba(255, 255, 255, 0.85);
}

.search-tag.tag-xs {
    font-size: 0.8rem;
    padding: 0.35rem 0.7rem;
    font-weight: 400;
    background: rgba(255, 255, 255, 0.8);
    opacity: 0.9;
}

.hot-searches-widget .widget-footer {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    position: relative;
    z-index: 1;
}

.view-search-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.view-search-link:hover {
    color: white;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* 响应式样式 */
@media (max-width: 768px) {
    .featured-tutorials-section {
        padding: 1.5rem;
        margin: 2rem 0;
        border-radius: 8px;
    }

    .featured-tutorials-section .section-title {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }

    .featured-tutorials-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .tutorial-card {
        padding: 1.25rem;
    }

    .tutorial-card-title {
        font-size: 1rem;
    }

    .featured-tutorials-actions {
        flex-direction: column;
        gap: 0.75rem;
    }

    .tutorial-action-btn {
        justify-content: center;
        padding: 1rem 1.5rem;
    }

    /* 侧边栏教程推荐响应式 */
    .tutorials-widget {
        padding: 1.25rem;
        margin-bottom: 1rem;
    }

    .tutorial-item {
        padding: 0.75rem;
        gap: 0.5rem;
    }

    .tutorial-title {
        font-size: 0.75rem;
    }

    .tutorial-meta {
        flex-direction: row;
        gap: 0.5rem;
        flex-wrap: nowrap;
    }

    .tutorial-excerpt {
        font-size: 0.75rem;
    }

    /* 热门搜索响应式 */
    .hot-searches-widget {
        padding: 1.25rem;
        margin-bottom: 1rem;
    }

    .hot-searches-cloud {
        gap: 0.4rem;
    }

    .search-tag {
        font-size: 0.8rem !important;
        padding: 0.4rem 0.7rem !important;
    }

    .search-tag.tag-xl {
        font-size: 0.9rem !important;
        padding: 0.5rem 0.9rem !important;
    }

    .search-tag:hover {
        transform: translateY(-1px) scale(1.02) !important;
    }
}

.nav-link.prev {
    text-align: left;
}

.nav-link.next {
    text-align: right;
}

.nav-link.center {
    text-align: center;
    background: #f8fafc;
}

.nav-direction {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.nav-title {
    font-weight: 600;
    color: #1e293b;
}

/* Responsive Design for Tool Pages */
@media (max-width: 1024px) {
    .tool-content-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .tool-hero-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .tool-emoji {
        font-size: 4rem;
        padding: 1.5rem;
    }

    .tool-title {
        font-size: 2.5rem;
    }

    .tool-meta {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .tool-page-header {
        padding: 1.5rem 0 2rem;
    }

    .tool-title {
        font-size: 2rem;
    }

    .tool-description {
        font-size: 1rem;
    }

    .tool-main-content {
        padding: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .screenshots-grid {
        grid-template-columns: 1fr;
    }

    .screenshot-placeholder {
        padding: 2rem 1rem;
        min-height: 150px;
    }

    .placeholder-icon {
        font-size: 2rem;
    }

    .tutorial-step {
        flex-direction: column;
        gap: 1rem;
    }

    .step-number {
        align-self: flex-start;
    }

    .nav-links {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .nav-link.prev,
    .nav-link.next {
        text-align: center;
    }

    .tool-actions {
        flex-direction: column;
    }

    .tool-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .download-highlight {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }

    .download-icon {
        font-size: 1.5rem;
    }
}

/* Print Styles */
@media print {
    .header, .footer, .toc, .navbar {
        display: none;
    }

    .page-content {
        padding: 0;
    }

    .content {
        max-width: none;
    }

    .content a {
        color: #000;
        text-decoration: underline;
    }

    .content a::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }
}