/* 基础样式重置和变量 */
:root {
    /* 主色调 */
    --primary-blue: #2563EB;
    --primary-blue-dark: #1D4ED8;
    --primary-blue-light: #DBEAFE;
    --secondary-blue: #3B82F6;
    --accent-blue: #60A5FA;
    --bg-blue: #F0F9FF;
    
    /* 中性色系 */
    --gray-900: #111827;
    --gray-700: #374151;
    --gray-500: #6B7280;
    --gray-300: #D1D5DB;
    --gray-100: #F3F4F6;
    --white: #FFFFFF;
    
    /* 功能色 */
    --success-green: #10B981;
    --warning-orange: #F59E0B;
    --error-red: #EF4444;
    --info-cyan: #06B6D4;
    
    /* 字体 */
    --font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* 过渡动画 */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--gray-700);
    background: var(--white);
    overflow-x: hidden;
}

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

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 105px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.logo-img {
    max-width: 407;
    height: 70px;
    object-fit: contain;
    transform: scale(1.5);
    transform-origin: left center;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-text strong {
    font-size: 1.2rem;
    color: var(--gray-900);
    font-weight: 700;
}

.logo-text small {
    font-size: 0.75rem;
    color: var(--gray-500);
}

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

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 6px;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-blue);
    background: var(--primary-blue-light);
}

.cta-button {
    background: var(--primary-blue);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
}

.cta-button:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    transition: var(--transition-fast);
}

/* Hero区域样式 */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--bg-blue) 0%, #E0F2FE 100%);
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

.highlight {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--gray-700);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--gray-500);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn-primary,
.btn-secondary {
    padding: 14px 28px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--primary-blue);
    color: white;
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

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

.btn-secondary {
    background: white;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background: var(--primary-blue-light);
    transform: translateY(-2px);
}

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

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-500);
}

.hero-demo {
    display: flex;
    justify-content: center;
    align-items: center;
}

.demo-container {
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    width: 400px;
    overflow: hidden;
    animation: float 6s ease-in-out infinite;
}

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

.demo-header {
    background: var(--gray-100);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.demo-dots {
    display: flex;
    gap: 6px;
}

.demo-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gray-400);
}

.demo-dots span:nth-child(1) { background: #EF4444; }
.demo-dots span:nth-child(2) { background: #F59E0B; }
.demo-dots span:nth-child(3) { background: #10B981; }

.demo-title {
    color: var(--gray-700);
    font-weight: 500;
    margin-left: auto;
}

.demo-content {
    padding: 24px;
}

.score-display {
    margin-bottom: 20px;
}

.score-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: conic-gradient(
        from 0deg,
        var(--success-green) 0deg 126deg,
        var(--warning-orange) 126deg 180deg,
        var(--gray-300) 180deg 360deg
    );
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin: 0 auto 20px;
}

.score-circle::before {
    content: '';
    width: 90px;
    height: 90px;
    background: white;
    border-radius: 50%;
    position: absolute;
}

.score-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    z-index: 1;
}

.score-label {
    font-size: 0.8rem;
    color: var(--gray-500);
    z-index: 1;
}

/* 新饼图样式 */
.pie-chart-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    width: 100%;
    padding: 10px 0;
}

.pie-chart {
    position: relative;
    width: 240px;
    height: 240px;
}

.pie-svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
    overflow: visible;
}

.pie-border {
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border: 2px dashed #D1D5DB;
    border-radius: 50%;
    pointer-events: none;
}

.pie-legend {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--gray-700);
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    flex-shrink: 0;
}

.legend-label {
    flex: 1;
    display: flex;
    justify-content: space-between;
}

.pie-segment {
    cursor: pointer;
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.pie-segment:hover {
    opacity: 0.9;
    transform: scale(1.02);
    transform-origin: center;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.pie-label {
    font-family: var(--font-family);
    pointer-events: none;
}

.pie-label-title {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    filter: drop-shadow(0 1px 2px rgba(255, 255, 255, 0.8));
}

.pie-label-score {
    font-size: 11px;
    font-weight: 600;
    fill: #666;
    letter-spacing: 0.3px;
}

.pie-label-line {
    stroke: #999;
    stroke-width: 1.5;
    fill: none;
    opacity: 0.6;
    stroke-dasharray: 3, 2;
}

.pie-label-dot {
    filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.2));
}

.pie-center-label {
    font-size: 11px;
    font-weight: 600;
    fill: var(--gray-500);
    letter-spacing: 1px;
}

.pie-center-score {
    font-size: 14px;
    font-weight: 700;
    fill: var(--primary-blue);
}

.score-details {
    space-y: 12px;
}

.score-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.score-bar span {
    font-size: 0.9rem;
    color: var(--gray-700);
    min-width: 60px;
}

.bar {
    flex: 1;
    height: 6px;
    background: var(--gray-200);
    border-radius: 3px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: var(--primary-blue);
    border-radius: 3px;
    transition: width 2s ease-in-out;
}

.ai-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: var(--bg-blue);
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--gray-700);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--success-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
    100% { opacity: 1; transform: scale(1); }
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(96, 165, 250, 0.1) 0%, transparent 50%);
    z-index: 1;
}

/* 核心功能区域 */
.features {
    padding: 80px 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--gray-500);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: var(--transition-normal);
    text-align: center;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--gray-500);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.feature-highlight {
    background: var(--primary-blue-light);
    color: var(--primary-blue);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
}

/* 技术优势区域 */
.tech-advantages {
    padding: 80px 0;
    background: var(--gray-100);
}

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

.tech-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.tech-subtitle {
    font-size: 1.2rem;
    color: var(--gray-500);
    margin-bottom: 2.5rem;
}

.advantage-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.advantage-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.advantage-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.advantage-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.advantage-content p {
    color: var(--gray-500);
    line-height: 1.6;
}

.tech-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.tech-architecture {
    position: relative;
    width: 400px;
    height: 400px;
}

.architecture-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    box-shadow: var(--shadow-xl);
    z-index: 2;
}

.architecture-center i {
    font-size: 2rem;
    margin-bottom: 8px;
}

.architecture-center span {
    font-size: 0.9rem;
}

.architecture-nodes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.node {
    position: absolute;
    width: 100px;
    height: 100px;
    background: white;
    border: 3px solid var(--primary-blue);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 12px;
    box-shadow: var(--shadow-md);
    animation: float 4s ease-in-out infinite;
}

.node i {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 4px;
}

.node span {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-700);
}

.node-1 { top: 0; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.node-2 { top: 50%; right: 0; transform: translateY(-50%); animation-delay: 1s; }
.node-3 { bottom: 0; left: 50%; transform: translateX(-50%); animation-delay: 2s; }
.node-4 { top: 50%; left: 0; transform: translateY(-50%); animation-delay: 3s; }

.data-flow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.flow-line {
    position: absolute;
    background: linear-gradient(90deg, var(--primary-blue), transparent);
    height: 2px;
    opacity: 0.6;
    animation: dataFlow 3s infinite linear;
}

.flow-1 {
    top: 60px;
    left: 60px;
    right: 200px;
    transform: rotate(45deg);
}

.flow-2 {
    top: 200px;
    right: 60px;
    bottom: 200px;
    width: 2px;
    height: 140px;
    transform: rotate(45deg);
}

.flow-3 {
    bottom: 60px;
    left: 60px;
    right: 200px;
    transform: rotate(-45deg);
}

.flow-4 {
    top: 200px;
    left: 60px;
    width: 2px;
    height: 140px;
    transform: rotate(45deg);
}

@keyframes dataFlow {
    0% { opacity: 0; transform: translateX(-100%); }
    50% { opacity: 1; }
    100% { opacity: 0; transform: translateX(100%); }
}



/* 报告展示区域 */
.reports-demo {
    padding: 80px 0;
    background: var(--gray-100);
}

.report-demo-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.report-preview {
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.report-header {
    background: var(--primary-blue);
    color: white;
    padding: 2rem;
    text-align: center;
}

.report-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.report-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    opacity: 0.9;
}

.report-content {
    padding: 2rem;
}

.report-section {
    margin-bottom: 2rem;
}

.report-section h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.report-section h4 i {
    color: var(--primary-blue);
}

.overall-score {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.score-gauge {
    position: relative;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: conic-gradient(
        from 0deg,
        var(--error-red) 0deg 90deg,
        var(--warning-orange) 90deg 180deg,
        var(--success-green) 180deg 252deg,
        var(--gray-300) 252deg 360deg
    );
    display: flex;
    align-items: center;
    justify-content: center;
}

.score-gauge::before {
    content: '';
    width: 90px;
    height: 90px;
    background: white;
    border-radius: 50%;
    position: absolute;
}

.gauge-needle {
    position: absolute;
    width: 2px;
    height: 50px;
    background: var(--gray-900);
    top: 10px;
    left: 50%;
    transform-origin: bottom center;
    transform: translateX(-50%) rotate(126deg);
    z-index: 1;
}

.gauge-labels {
    position: absolute;
    bottom: 10px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--gray-500);
}

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

.score-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.score-grade {
    font-size: 1.1rem;
    color: var(--success-green);
    font-weight: 600;
}

.dimension-chart {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.dimension-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.dimension-label {
    min-width: 80px;
    font-weight: 500;
    color: var(--gray-700);
}

.dimension-bar {
    flex: 1;
    height: 12px;
    background: var(--gray-200);
    border-radius: 6px;
    overflow: hidden;
}

.dimension-fill {
    height: 100%;
    border-radius: 6px;
    transition: width 2s ease-in-out;
}

.dimension-score {
    min-width: 50px;
    text-align: right;
    font-weight: 600;
    color: var(--gray-700);
}

.innovation-summary {
    background: var(--bg-blue);
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-blue);
}

.innovation-summary p {
    color: var(--gray-700);
    line-height: 1.6;
    font-style: italic;
}

.report-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-highlight {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.feature-highlight i {
    font-size: 2rem;
    color: var(--primary-blue);
}

.feature-highlight h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.feature-highlight p {
    color: var(--gray-500);
    font-size: 0.9rem;
}



/* 页脚 */
.footer {
    background: var(--gray-900);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    margin-bottom: 3rem;
}

.footer-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.footer-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
}

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
}

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

.footer-logo span {
    font-size: 1.2rem;
    font-weight: 600;
}

.footer-section p {
    color: var(--gray-400);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.tech-support {
    margin-top: 1rem;
    margin-bottom: 0;
}

.tech-support span {
    color: var(--gray-400);
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 500;
}

.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.contact-item i {
    color: var(--primary-blue);
    font-size: 1rem;
}

.contact-item span {
    color: var(--gray-300);
    font-size: 0.95rem;
    font-weight: 500;
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

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

.footer-section ul li a:hover {
    color: var(--primary-blue);
}



.footer-bottom {
    border-top: 1px solid var(--gray-800);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    color: var(--gray-400);
}



.footer-links {
    display: flex;
    gap: 2rem;
}

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

.footer-links a:hover {
    color: var(--primary-blue);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-container,
    .tech-content,
    .report-demo-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-demo {
        order: -1;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-card {
        padding: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .overall-score {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .demo-container {
        width: 100%;
        max-width: 350px;
    }
    
    .features,
    .tech-advantages,
    .reports-demo {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}