/* 智能论文查重页面样式 - 红红火火红色主题设计 */

:root {
    --primary: #ff4757;
    --primary-dark: #ff3742;
    --primary-light: #ff6b6b;
    --accent: #ff8e8e;
    --accent-light: #ffb3b3;
    --text: #1f2937;
    --text-light: #64748b;
    --text-lighter: #94a3b8;
    --text-dark: #2c3e50;
    --bg: #ffffff;
    --bg-light: #fff5f5;
    --bg-lighter: #ffe8e8;
    --border: #ffd6d6;
    --border-light: #ffe8e8;
    --shadow: 0 4px 6px -1px rgba(255, 71, 87, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(255, 71, 87, 0.15);
    --shadow-xl: 0 20px 25px -5px rgba(255, 71, 87, 0.2);
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    margin: 0;
    padding: 0;
}

/* 英雄区域样式 - 参考首页布局 */
.plagiarism-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #ff4757 0%, #ff6b6b 50%, #ff8e8e 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.plagiarism-hero::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="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 0.8fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    z-index: 2;
}

.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #ff6b6b, #ff8e8e);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.ai-badge i {
    font-size: 1rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    white-space: nowrap;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    line-height: 1.7;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-stats {
    display: flex;
    justify-content: flex-start;
    gap: 3rem;
    margin-top: 4rem;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
    padding: 0;
}

.stat-item {
    flex: 0 1 200px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 18px;
    padding: 1.8rem 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 
        0 8px 25px rgba(255, 71, 87, 0.12),
        0 4px 12px rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-6px);
    box-shadow: 
        0 15px 35px rgba(255, 71, 87, 0.18),
        0 6px 18px rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.98);
}

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

.stat-icon {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.4rem;
    box-shadow: 
        0 6px 20px rgba(255, 71, 87, 0.25),
        inset 0 2px 4px rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
}

.stat-icon::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: all 0.3s ease;
}

.stat-item:hover .stat-icon {
    transform: scale(1.1);
    box-shadow: 
        0 8px 24px rgba(255, 71, 87, 0.35),
        inset 0 2px 4px rgba(255, 255, 255, 0.3);
}

.stat-item:hover .stat-icon::before {
    opacity: 0.3;
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.5rem;
    display: block;
    line-height: 1;
    transition: all 0.3s ease;
    text-shadow: 0 2px 4px rgba(255, 71, 87, 0.1);
}

.stat-item:hover .stat-number {
    transform: scale(1.05);
    color: var(--primary-dark);
}

.stat-label {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 600;
    transition: all 0.3s ease;
    line-height: 1.3;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-item:hover .stat-label {
    color: var(--primary);
    font-weight: 600;
    opacity: 1;
}

/* 移除复杂的动画效果 */
.stat-item::after {
    display: none;
}

/* 产品展示区域 */
.hero-visual {
    position: relative;
    z-index: 2;
}

.product-showcase {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

/* 标签页切换功能 */
.showcase-tabs {
    display: flex;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.tab {
    flex: 1;
    padding: 1rem;
    text-align: center;
    color: var(--text-light);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
}

.tab.active {
    color: var(--primary);
    background: white;
    border-bottom: 2px solid var(--primary);
}

.tab:hover {
    background: var(--bg-lighter);
    color: var(--primary);
}

.showcase-window {
    height: 400px;
    position: relative;
}

.window-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border);
}

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

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

.control.red { background: #ff5f56; }
.control.yellow { background: #ffbd2e; }
.control.green { background: #27ca3f; }

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

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

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

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

.window-content {
    height: calc(100% - 60px);
    position: relative;
}

.editor-interface {
    display: none;
    height: 100%;
    padding: 2rem;
}

.editor-interface.active {
    display: block;
}

/* 文件上传界面 */
.upload-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-light);
    transition: var(--transition);
}

.upload-area:hover {
    border-color: var(--primary);
    background: var(--bg-lighter);
}

.upload-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.upload-area h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

.upload-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

/* 智能分析界面 */
.analysis-progress {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
}

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

.progress-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
}

.progress-percentage {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-lighter);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 2rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    border-radius: var(--radius);
    transition: var(--transition);
}

.step.completed {
    background: rgba(72, 187, 120, 0.1);
    color: #48bb78;
}

.step.active {
    background: rgba(255, 71, 87, 0.1);
    color: var(--primary);
}

.step i {
    width: 20px;
    text-align: center;
}

/* 查重报告界面 */
.report-summary {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
}

.summary-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.summary-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
}

.similarity-score {
    text-align: center;
}

.score-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

.score-label {
    font-size: 0.875rem;
    color: var(--text-light);
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat {
    text-align: center;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: var(--radius);
}

.stat-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-light);
}

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

.report-actions .action-btn {
    flex: 1;
    height: auto;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.report-actions .action-btn.primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
}

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

/* 功能介绍区域 */
.features-section {
    padding: 120px 0;
    background: var(--bg-light);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-header .header-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 3rem;
    color: white;
    font-size: 2.5rem;
    box-shadow: var(--shadow-xl);
    animation: icon-bounce 3s ease-in-out infinite;
}

@keyframes icon-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.section-header h2 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* 功能卡片网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg);
    border-radius: var(--radius-2xl);
    padding: 3rem 2.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(255, 71, 87, 0.1), rgba(255, 107, 107, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    color: var(--primary);
    font-size: 2rem;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.feature-card p {
    color: var(--text-light);
    font-size: 1.125rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.feature-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.highlight-item {
    background: linear-gradient(135deg, rgba(255, 71, 87, 0.1), rgba(255, 107, 107, 0.1));
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
}

.feature-card:hover .highlight-item {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    transform: translateY(-2px);
}

/* 检测流程展示 */
.process-section {
    padding: 120px 0;
    background: var(--bg);
    position: relative;
}

.process-timeline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.process-step {
    text-align: center;
    flex: 1;
    min-width: 250px;
    position: relative;
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.125rem;
    box-shadow: var(--shadow-md);
}

.step-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, rgba(255, 71, 87, 0.1), rgba(255, 107, 107, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    color: var(--primary);
    font-size: 2.5rem;
    transition: var(--transition);
}

.process-step:hover .step-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.process-step h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 1rem;
}

.process-step p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.5;
}

.process-connector {
    color: var(--primary);
    font-size: 2rem;
    opacity: 0.6;
    transition: var(--transition);
}

.process-step:hover + .process-connector {
    opacity: 1;
    transform: scale(1.2);
}

/* 优势展示 */
.advantages-section {
    padding: 120px 0;
    background: var(--bg-light);
    position: relative;
}

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

.advantage-item {
    text-align: center;
    padding: 2.5rem 2rem;
    background: var(--bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--primary));
    transform: scaleX(0);
    transition: var(--transition);
}

.advantage-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

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

.advantage-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(255, 142, 142, 0.1), rgba(255, 71, 87, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--accent);
    font-size: 1.75rem;
    transition: var(--transition);
}

.advantage-item:hover .advantage-icon {
    background: linear-gradient(135deg, var(--accent), var(--primary));
    color: white;
    transform: scale(1.1);
}

.advantage-item h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 1rem;
}

.advantage-item p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.6;
}

/* 页脚样式 - 与首页完全一致 */
.footer {
    background: var(--text);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ff4757, #ff6b6b, #ff8e8e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    background: linear-gradient(135deg, #ff4757, #ff6b6b, #ff8e8e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    transition: all 0.2s;
    font-weight: 500;
}

.footer-links a:hover {
    color: white;
}

.footer-description {
    background: linear-gradient(135deg, #ff4757, #ff6b6b, #ff8e8e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 1rem 0;
    line-height: 1.6;
    font-weight: 500;
}

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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.2s;
}

.social-link:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 71, 87, 0.3);
    padding-top: 1rem;
    text-align: center;
    background: linear-gradient(135deg, #ff4757, #ff6b6b, #ff8e8e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 500;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo .logo-text {
    color: #ff4757;
    font-weight: bold;
}

.footer-logo .logo-highlight {
    color: white;
    background: #ff4757;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
    margin-left: 0.25rem;
    box-shadow: 0 2px 8px rgba(255, 71, 87, 0.3);
}

/* 页脚响应式优化 */
@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .hero-container {
        grid-template-columns: 1fr 0.9fr;
        gap: 3rem;
        text-align: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 2rem;
    }
    
    .process-timeline {
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
        white-space: normal;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .section-header h2 {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 2rem;
        max-width: 350px;
        padding: 0 1rem;
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1rem;
    }
    
    .process-timeline {
        flex-direction: column;
        gap: 2rem;
    }
    
    .process-connector {
        transform: rotate(90deg);
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
        padding: 0 1rem;
    }
    
    .feature-card,
    .advantage-item {
        padding: 2rem 1.5rem;
    }
    
    .advantage-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .showcase-tabs {
        flex-direction: column;
    }
    
    .tab {
        padding: 0.75rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .stat-item {
        padding: 1.5rem 1rem;
        min-height: 120px;
        flex: 0 1 auto;
    }
    
    .stat-icon {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }
    
    .stat-number {
        font-size: 2.2rem;
    }
    
    .stat-label {
        font-size: 0.95rem;
    }
    
    .feature-card,
    .advantage-item {
        padding: 1.5rem 1rem;
    }
    
    .feature-icon,
    .advantage-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}