/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00ff88;
    --secondary-color: #0066ff;
    --accent-color: #ff0066;
    --bg-dark: #0a0a0a;
    --bg-darker: #050505;
    --text-light: #ffffff;
    --text-gray: #cccccc;
    --text-dark: #666666;
    --border-color: #333333;
    --gradient-primary: linear-gradient(135deg, #00ff88, #0066ff);
    --gradient-secondary: linear-gradient(135deg, #ff0066, #ff6600);
    --shadow-glow: 0 0 20px rgba(0, 255, 136, 0.3);
    --shadow-dark: 0 10px 30px rgba(0, 0, 0, 0.5);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', '微软雅黑', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
    background: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Background Animation */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.matrix-rain {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 255, 136, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(255, 0, 102, 0.1) 0%, transparent 50%);
    animation: matrixMove 20s linear infinite;
}

.circuit-board {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(90deg, rgba(0, 255, 136, 0.1) 1px, transparent 1px),
        linear-gradient(rgba(0, 255, 136, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: circuitMove 30s linear infinite;
}

@keyframes matrixMove {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}

@keyframes circuitMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    font-family: 'Courier New', 'Monaco', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.logo i {
    margin-right: 10px;
    font-size: 1.8rem;
    animation: pulse 2s infinite;
}

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

.nav-menu a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
}

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

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

.hero-title {
    font-family: 'Courier New', 'Monaco', monospace;
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.glitch {
    position: relative;
    color: var(--primary-color);
    display: block;
    animation: glitch 2s infinite;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    animation: glitch-1 0.5s infinite;
    color: var(--secondary-color);
    z-index: -1;
}

.glitch::after {
    animation: glitch-2 0.5s infinite;
    color: var(--accent-color);
    z-index: -2;
}

.subtitle {
    display: block;
    font-size: 1.5rem;
    color: var(--text-gray);
    margin-top: 0.5rem;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: 'Courier New', 'Monaco', monospace;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    text-shadow: var(--shadow-glow);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button {
    background: var(--gradient-primary);
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    color: var(--text-light);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-glow);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.5);
}

.cta-button i {
    transition: transform 0.3s ease;
}

.cta-button:hover i {
    transform: translateX(5px);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: linear-gradient(145deg, #1a1a1a, #0d0d0d);
    border-radius: 30px;
    padding: 20px;
    box-shadow: var(--shadow-dark);
    position: relative;
    overflow: hidden;
}

.screen {
    width: 100%;
    height: 100%;
    background: var(--bg-darker);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    border: 2px solid var(--primary-color);
}

.location-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
}

.pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.location-indicator i {
    font-size: 2rem;
    color: var(--primary-color);
    position: relative;
    z-index: 4;
}

.radar {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 50%;
}

.radar-sweep {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100px;
    height: 2px;
    background: var(--gradient-primary);
    transform-origin: left center;
    animation: radarSweep 3s linear infinite;
}

.radar-dot {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: radarDot 3s infinite;
}

.radar-dot:nth-child(3) {
    top: 20%;
    left: 30%;
    animation-delay: 0.5s;
}

.radar-dot:nth-child(4) {
    top: 70%;
    right: 25%;
    animation-delay: 1s;
}

.radar-dot:nth-child(5) {
    bottom: 30%;
    left: 60%;
    animation-delay: 1.5s;
}

/* Services Section */
.services {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.05), rgba(0, 255, 136, 0.05));
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

.title-text {
    font-family: 'Courier New', 'Monaco', monospace;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: inline-block;
    position: relative;
}

.title-line {
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: var(--gradient-primary);
}

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

.service-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.service-card.featured {
    border: 2px solid var(--primary-color);
    background: rgba(0, 255, 136, 0.1);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-secondary);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

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

.service-card ul {
    list-style: none;
    text-align: left;
}

.service-card li {
    padding: 0.5rem 0;
    color: var(--text-gray);
    position: relative;
    padding-left: 20px;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Features Section */
.features {
    padding: 100px 0;
}

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

.feature-item {
    text-align: center;
    padding: 2rem;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    background: rgba(0, 255, 136, 0.05);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.feature-item h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature-item p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: var(--gradient-primary);
    text-align: center;
}

.cta-content h2 {
    font-family: 'Courier New', 'Monaco', monospace;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.cta-button-large {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid white;
    padding: 1.2rem 3rem;
    border-radius: 50px;
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 15px;
    backdrop-filter: blur(10px);
}

.cta-button-large:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Footer */
.footer {
    background: var(--bg-darker);
    padding: 50px 0 20px;
    border-top: 1px solid var(--border-color);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    font-family: 'Courier New', 'Monaco', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-logo i {
    margin-right: 10px;
    font-size: 1.8rem;
}

.footer-section h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

.footer-section li {
    padding: 0.3rem 0;
    color: var(--text-gray);
    transition: color 0.3s ease;
}

.footer-section li:hover {
    color: var(--primary-color);
    cursor: pointer;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-gray);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    backdrop-filter: blur(10px);
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-dark);
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    max-width: 500px;
    width: 90%;
}

.loading-animation {
    position: relative;
}

.scanner {
    width: 200px;
    height: 200px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    margin: 0 auto 2rem;
    position: relative;
    overflow: hidden;
}

.scanner-line {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    transform-origin: center;
    animation: scannerRotate 2s linear infinite;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    margin: 2rem 0;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 3px;
    animation: progressFill 5s ease-in-out infinite;
}

.loading-text {
    color: var(--primary-color);
    font-weight: 600;
    margin-top: 1rem;
}

/* Animations */
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

@keyframes glitch {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(-2px, -2px); }
    60% { transform: translate(2px, 2px); }
    80% { transform: translate(2px, -2px); }
}

@keyframes glitch-1 {
    0%, 100% { transform: translate(0); }
    10% { transform: translate(-2px, -2px); }
    20% { transform: translate(2px, 2px); }
    30% { transform: translate(-2px, 2px); }
    40% { transform: translate(2px, -2px); }
}

@keyframes glitch-2 {
    0%, 100% { transform: translate(0); }
    15% { transform: translate(2px, 2px); }
    25% { transform: translate(-2px, -2px); }
    35% { transform: translate(2px, -2px); }
    45% { transform: translate(-2px, 2px); }
}

@keyframes radarSweep {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes radarDot {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

@keyframes scannerRotate {
    0% { transform: translateY(-50%) rotate(0deg); }
    100% { transform: translateY(-50%) rotate(360deg); }
}

@keyframes progressFill {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

/* 服务优势 Section */
.advantages {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.03), rgba(0, 102, 255, 0.03));
}

.advantages-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.advantage-text h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.advantage-text h4 {
    font-size: 1.3rem;
    color: var(--text-light);
    margin: 2rem 0 1rem 0;
    font-weight: 500;
}

.advantage-text p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.advantage-list {
    list-style: none;
    padding: 0;
}

.advantage-list li {
    padding: 0.8rem 0;
    color: var(--text-gray);
    position: relative;
    padding-left: 25px;
    line-height: 1.6;
}

.advantage-list li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.advantage-list strong {
    color: var(--primary-color);
}

.advantage-stats {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
    transform: translateY(-5px);
}

.stat-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    flex-shrink: 0;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-family: 'Courier New', 'Monaco', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stat-desc {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-top: 0.2rem;
}

/* 应用场景 Section */
.scenarios {
    padding: 100px 0;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.scenario-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.scenario-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.scenario-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.scenario-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
}

.scenario-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
}

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

.scenario-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.scenario-tags span {
    background: rgba(0, 255, 136, 0.2);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    border: 1px solid rgba(0, 255, 136, 0.3);
}

/* 常见问题 Section */
.faq {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.05), rgba(0, 255, 136, 0.05));
}

.faq-content {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--primary-color);
}

.faq-question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(0, 255, 136, 0.05);
}

.faq-question h3 {
    font-size: 1.2rem;
    color: var(--text-light);
    margin: 0;
    font-weight: 500;
}

.faq-question i {
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 2rem 1.5rem 2rem;
    display: none;
    animation: fadeIn 0.3s ease;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-answer p {
    color: var(--text-gray);
    line-height: 1.7;
    margin: 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */

/* 大屏幕优化 (1400px+) */
@media (min-width: 1400px) {
    .scenarios-grid {
        grid-template-columns: repeat(3, 1fr);
        max-width: 1200px;
    }
}

/* 中大屏幕 (1200px - 1399px) */
@media (min-width: 1200px) and (max-width: 1399px) {
    .scenarios-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 中等屏幕 (992px - 1199px) */
@media (min-width: 992px) and (max-width: 1199px) {
    .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .advantages-content {
        grid-template-columns: 3fr 2fr;
        gap: 3rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .hero-container {
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
}

/* 平板屏幕 (768px - 991px) */
@media (min-width: 768px) and (max-width: 991px) {
    .container {
        padding: 0 15px;
    }
    
    .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .scenario-card {
        padding: 1.5rem;
    }
    
    .scenario-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .scenario-card h3 {
        font-size: 1.2rem;
    }
    
    .advantages-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .advantage-stats {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .stat-card {
        flex: 1;
        min-width: 200px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .phone-mockup {
        width: 250px;
        height: 500px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .modal-content {
        padding: 2rem;
        margin: 20px;
    }
    
    .advantages-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .advantage-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .stat-card {
        flex: 1;
        min-width: 200px;
    }
    
    .scenarios-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .scenario-card {
        padding: 1.5rem;
        margin: 0 10px;
    }
    
    .scenario-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }
    
    .scenario-card h3 {
        font-size: 1.3rem;
        margin-bottom: 0.8rem;
    }
    
    .scenario-card p {
        font-size: 0.95rem;
        margin-bottom: 1rem;
    }
    
    .scenario-tags {
        gap: 0.3rem;
    }
    
    .scenario-tags span {
        font-size: 0.75rem;
        padding: 0.2rem 0.6rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title .title-text {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .advantage-stats {
        flex-direction: column;
    }
    
    .stat-card {
        min-width: auto;
    }
    
    .advantage-text h3 {
        font-size: 1.5rem;
    }
    
    .advantage-text h4 {
        font-size: 1.2rem;
    }
    
    .scenarios {
        padding: 60px 0;
    }
    
    .scenario-card {
        padding: 1.2rem;
        margin: 0 5px;
    }
    
    .scenario-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
        margin-bottom: 0.8rem;
    }
    
    .scenario-card h3 {
        font-size: 1.1rem;
        margin-bottom: 0.6rem;
    }
    
    .scenario-card p {
        font-size: 0.9rem;
        line-height: 1.5;
        margin-bottom: 0.8rem;
    }
    
    .scenario-tags {
        gap: 0.2rem;
        flex-wrap: wrap;
    }
    
    .scenario-tags span {
        font-size: 0.7rem;
        padding: 0.15rem 0.5rem;
    }
}