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

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

/* Header */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.nav-brand .logo {
    height: 32px;
    width: auto;
}

.nav-brand a {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #333;
}

/* Hero Section */
.hero {
    padding: 120px 2rem 60px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

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

.hero-text {
    padding-right: 2rem;
}

.room-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 2rem;
    background: #f5f5f5;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.room-icon img {
    width: 100px;
    height: 100px;
}

.hero-text h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: #333;
    line-height: 1.2;
}

.hero-text h2 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #444;
    line-height: 1.3;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
    font-weight: 500;
}

/* Phone Mockup */
.phone-mockup {
    display: flex;
    justify-content: center;
    position: relative;
}

.phone {
    width: 340px;
    height: 650px;
    background: #000;
    border-radius: 30px;
    padding: 8px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    position: relative;
}

.phone::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 6px;
    background: #333;
    border-radius: 3px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #fff;
    border-radius: 22px;
    overflow: hidden;
    position: relative;
    padding-bottom: 60px;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px 10px;
    font-size: 14px;
    font-weight: 600;
}

.time {
    color: #000;
}

.status-icons {
    display: flex;
    align-items: center;
    gap: 3px;
}

.status-icons span {
    font-size: 12px;
}

.app-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 18px;
    font-weight: bold;
    padding: 10px 20px;
    border-bottom: 1px solid #eee;
}

.title-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.vip {
    font-size: 14px;
    color: #ff6b35;
}

.settings {
    font-size: 16px;
    color: #666;
}

/* 主要设计卡片 */
.main-design-card {
    margin: 15px;
    border-radius: 12px;
    overflow: hidden;
    background: #f5f5f5;
    display: flex;
    flex-direction: column;
}

.main-design-image {
    width: 100%;
    height: 135px; /* 减少图片高度，为下方信息区域留空间 */
    overflow: hidden;
}

.main-design-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.main-design-info {
    height: 45px; /* 约为图片高度的33% (135px * 0.33 ≈ 45px) */
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 8px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.design-text {
    flex: 1;
}

.design-text h4 {
    font-size: 14px;
    font-weight: bold;
    margin: 0 0 2px 0;
    line-height: 1.2;
}

.design-text p {
    font-size: 10px;
    margin: 0;
    opacity: 0.95;
    line-height: 1.2;
}

.main-start-btn {
    background: #fff;
    color: #333;
    border: none;
    padding: 6px 16px;
    border-radius: 15px;
    font-size: 11px;
    cursor: pointer;
    font-weight: 600;
    flex-shrink: 0;
}

/* 两个小卡片行 */
.two-card-row {
    display: flex;
    gap: 10px;
    margin: 0 15px 15px;
}

.small-design-card {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    background: #f5f5f5;
}

.small-design-image {
    width: 100%;
    height: 100px;
}

.small-design-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 店铺设计卡片 */
.store-design-card {
    margin: 0 15px 15px;
    border-radius: 12px;
    overflow: hidden;
    background: #f5f5f5;
    display: flex;
    flex-direction: column;
}

.store-design-image {
    width: 100%;
    height: 135px;
    overflow: hidden;
    position: relative;
}

.store-design-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7); /* 让图片稍微暗一些，为文字提供更好的对比度 */
}

.store-design-info {
    height: 45px; /* 约为图片高度的33% */
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 8px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.store-design-info .design-text {
    flex: 1;
}

.store-design-info .design-text h4 {
    font-size: 14px;
    font-weight: bold;
    margin: 0 0 2px 0;
    line-height: 1.2;
}

.store-design-info .design-text p {
    font-size: 10px;
    margin: 0;
    opacity: 0.95;
    line-height: 1.2;
}

.store-start-btn {
    background: #fff;
    color: #333;
    border: none;
    padding: 6px 16px;
    border-radius: 15px;
    font-size: 11px;
    cursor: pointer;
    font-weight: 600;
    flex-shrink: 0;
}

/* 房屋设计卡片 */
.house-design-card {
    margin: 0 15px 15px;
    border-radius: 12px;
    overflow: hidden;
    background: #f5f5f5;
}

.house-design-image {
    width: 100%;
    height: 120px;
}

.house-design-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 底部导航 */
.bottom-navigation {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
    border-top: 1px solid #eee;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: #999;
    font-size: 10px;
}

.nav-item.active {
    color: #007AFF;
}

.nav-icon {
    font-size: 16px;
}

.nav-label {
    font-size: 10px;
}

/* Features Section */
.features {
    padding: 80px 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.features h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
}

.feature-item {
    margin-bottom: 2.5rem;
    padding: 1.5rem 0;
}

.feature-item h3 {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: #333;
}

.feature-item p {
    font-size: 1rem;
    line-height: 1.8;
    color: #555;
}

/* Footer */
footer {
    background: #f8f9fa;
    padding: 2rem;
    text-align: center;
    color: #666;
    border-top: 1px solid #eee;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-text {
        padding-right: 0;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-text h2 {
        font-size: 2rem;
    }
    
    .phone {
        width: 375px;
        height: 750px;
    }
    
    .nav-menu {
        gap: 1rem;
    }
    
    .main-design-image {
        height: 150px;
    }
    
    .small-design-image {
        height: 80px;
    }
    
    .house-design-image {
        height: 100px;
    }
}/* P
age Content Styles */
.page-content {
    padding-top: 80px;
}

.page-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 2rem;
    text-align: center;
}

.page-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.page-hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation Active State */
.nav-menu a.active {
    color: #667eea;
    font-weight: 600;
}

/* Features Page Styles */
.features-detail {
    padding: 80px 2rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature-card {
    background: #fff;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.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;
    margin-bottom: 1.5rem;
}

.feature-card ul {
    list-style: none;
    padding: 0;
}

.feature-card li {
    padding: 0.5rem 0;
    color: #555;
    position: relative;
    padding-left: 1.5rem;
}

.feature-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* About Page Styles */
.about-content {
    padding: 80px 2rem;
}

.about-section {
    margin-bottom: 4rem;
}

.about-section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.about-section p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 1rem;
}

.tech-list {
    list-style: none;
    padding: 0;
    margin-top: 1.5rem;
}

.tech-list li {
    padding: 1rem 0;
    border-bottom: 1px solid #eee;
}

.tech-list li:last-child {
    border-bottom: none;
}

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

.team-member {
    text-align: center;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 16px;
}

.member-avatar {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.team-member h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.member-title {
    color: #667eea;
    font-weight: 600;
    margin-bottom: 1rem;
}

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #667eea;
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    padding-left: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 0;
    width: 12px;
    height: 12px;
    background: #667eea;
    border-radius: 50%;
}

.timeline-date {
    font-weight: 600;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.timeline-content h3 {
    margin-bottom: 0.5rem;
    color: #333;
}

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

.stat-item {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 16px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

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

/* Download Page Styles */
.download-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 2rem;
    text-align: center;
}

.download-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.download-hero p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.phone-mockup-large {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.welcome-screen {
    padding: 3rem 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 400px;
}

.welcome-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.welcome-screen h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.welcome-screen p {
    color: #666;
    margin-bottom: 2rem;
}

.start-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

.start-btn:hover {
    background: #5a67d8;
}

.download-options {
    padding: 80px 2rem;
}

.download-options h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.platform-card {
    background: #fff;
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.platform-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.platform-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

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

.platform-card > p {
    color: #666;
    margin-bottom: 1.5rem;
}

.requirements {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.requirements p {
    margin: 0.25rem 0;
    font-size: 0.9rem;
    color: #555;
}

.download-btn {
    width: 100%;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.ios-btn {
    background: #000;
    color: white;
}

.ios-btn:hover {
    background: #333;
}

.android-btn {
    background: #34a853;
    color: white;
}

.android-btn:hover {
    background: #2d8f47;
}

.desktop-btn {
    background: #667eea;
    color: white;
}

.desktop-btn:hover {
    background: #5a67d8;
}

.download-features {
    background: #f8f9fa;
    padding: 80px 2rem;
}

.download-features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

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

.highlight-item {
    text-align: center;
    padding: 2rem;
}

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

.highlight-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.highlight-item p {
    color: #666;
    line-height: 1.6;
}

.user-reviews {
    padding: 80px 2rem;
}

.user-reviews h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

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

.review-card {
    background: #fff;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.stars {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.review-card p {
    color: #555;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-style: italic;
}

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

.reviewer strong {
    color: #333;
}

.reviewer span {
    color: #666;
    font-size: 0.9rem;
}

.download-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 2rem;
    text-align: center;
}

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

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

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

.cta-button {
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cta-button.primary {
    background: #000;
    color: white;
}

.cta-button.primary:hover {
    background: #333;
}

.cta-button.secondary {
    background: #34a853;
    color: white;
}

.cta-button.secondary:hover {
    background: #2d8f47;
}

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

/* CTA Section */
.cta-section {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    color: white;
    margin-top: 4rem;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    background: #fff;
    color: #667eea;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.cta-button:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}

/* Button hover effects */
.main-start-btn:hover,
.store-start-btn:hover {
    background: #f0f0f0;
    transform: translateY(-1px);
}

.nav-item:hover {
    opacity: 0.7;
}

/* Responsive Design for other pages */
@media (max-width: 768px) {
    .page-hero h1 {
        font-size: 2rem;
    }
    
    .download-hero h1 {
        font-size: 2rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .platform-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-button {
        width: 200px;
    }
}