/* Reset CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

body {
    background-color: #FCF1EF;
    color: #2C3E50;
    line-height: 1.6;
}

/* Header Styles */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    background-color: #FCF1EF;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: transform 0.3s ease;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    width: 30px;
    height: 30px;
    margin-right: 10px;
}

.logo span {
    font-weight: bold;
    color: #5D8B5D;
}

.nav-links {
    display: flex;
    list-style: none;
    font-weight: bold;
}

.nav-links li {
    margin: 0 15px;
}

.nav-links a {
    text-decoration: none;
    color: #2C3E50;
    font-size: 14px;
    transition: color 0.3s;
}

.nav-links a:hover, .nav-links a.active {
    color: #5D8B5D;
}

.user-actions {
    display: flex;
    align-items: center;
}

.user-actions img {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    margin-right: 15px;
}

.user-actions button {
    background-color: #0F2337;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 12px;
}

/* Main Content Styles */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Our Story Section */
.our-story {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin: 50px 0;
    align-items: center;
}

.story-content {
    display: flex;
    flex-direction: column;
}

.story-content h1 {
    font-size: 36px;
    margin-bottom: 10px;
    color: #2C3E50;
}

.story-content h2 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #2C3E50;
}

.story-content p {
    font-size: 18px;
    color: #2C3E50;
}

.story-images {
    position: relative;
}

.story-images .large-image {
    width: 450px;
    height: 250px;
    object-fit: cover;
    border-radius: 10px;
    position: absolute;
    top: 70px;
}

.story-text {
    margin-top: 40px;
}

.story-text h2 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #2C3E50;
}

.story-text p {
    margin-bottom: 15px;
    font-size: 14px;
}

/* User Experience Section */
.user-experience {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin: 80px 0;
    align-items: center;
}

.section-content h2 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #2C3E50;
}

.section-content p {
    margin-bottom: 15px;
    font-size: 14px;
}

.experience-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 10px;
}

/* Product Positioning Section */
.product-positioning {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin: 80px 0;
    align-items: center;
}

.positioning-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 10px;
}

.positioning-content h2 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #2C3E50;
}

.positioning-content p {
    margin-bottom: 15px;
    font-size: 14px;
}

/* Target Audience Section */
.target-audience {
    margin: 80px 0;
}

.target-audience-container {
    background-color: #E8F0E8;
    border-radius: 10px;
    padding: 30px;
}

.target-audience-container h2 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #5D8B5D;
    text-align: center;
}

.audience-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.audience-item {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.audience-item img {
    width: 150px;
    height: 150px;
    object-fit: cover;
    margin-bottom: 15px;
    border-radius: 10px;
}

.audience-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #5D8B5D;
}

.audience-item ul {
    list-style-type: none;
    text-align: center;
    width: 100%;
    margin: 0 auto;
}

.audience-item li {
    margin-bottom: 8px;
    font-size: 14px;
    color: #2C3E50;
}

/* Scenario Story Section */
.scenario-story {
    background-color: #5D8B5D;
    padding: 80px 0;
    margin: 100px 0;
    color: white;
}

.scenario-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: start;
}

.scenario-content h1 {
    font-size: 36px;
    margin-bottom: 40px;
}

/* Information Architecture Section */
.information-architecture {
    margin: 80px 0;
    text-align: center;
}

.information-architecture h2 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #5D8B5D;
}

.architecture-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: 10px;
    margin: 0 auto;
    display: block;
}

/* Team Division Section */
.team-division {
    margin: 100px 0 0 0;
    padding: 60px 0;
    background-color: #FCF1EF;
}

.team-division-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.team-card {
    background-color: #5D8B5D;
    color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    margin: 0 15px;
    width: 300px;
    height: 350px;
}

.team-header {
    padding: 20px;
    text-align: center;
    background-color: #0F2337;
}

.team-header h2 {
    margin: 0;
    font-size: 20px;
}

.team-header p {
    margin: 5px 0 0 0;
    font-size: 14px;
}

.team-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: calc(100% - 80px);
}

.team-body p {
    margin: 0 0 10px 0;
    font-size: 16px;
}

/* Footer Styles */
footer {
    background-color: #0F2337;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.footer-section h3 {
    margin-bottom: 20px;
    font-size: 18px;
}

.footer-section p {
    margin-bottom: 10px;
    font-size: 14px;
}

.copyright {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 12px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    header {
        padding: 15px 20px;
    }
    
    .nav-links li {
        margin: 0 10px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        padding: 20px;
    }
    
    .logo {
        margin-bottom: 15px;
    }
    
    .nav-links {
        margin: 15px 0;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-links li {
        margin: 5px 10px;
    }
    
    .our-story,
    .user-experience,
    .product-positioning {
        grid-template-columns: 1fr;
    }
    
    .story-images .large-image {
        position: static;
        top: 0;
    }
    
    .audience-list {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }
    
    .hero-text {
        font-size: 16px;
    }
    
    .cta-button {
        padding: 8px 16px;
        font-size: 12px;
    }
}