/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

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

/* 导航栏 */
nav {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

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

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #9c27b0;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #9c27b0, #e91e63);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content .slogan {
    font-size: 1.5rem;
    color: #666;
    margin-bottom: 30px;
}

.hero-content .subtitle {
    font-size: 1.2rem;
    color: #888;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, #9c27b0, #e91e63);
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(156, 39, 176, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(156, 39, 176, 0.4);
}

/* 关于我们 */
.about {
    padding: 100px 0;
    background-color: white;
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #333;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #666;
}

/* 核心价值 */
.features {
    padding: 100px 0;
    background-color: #f9f9f9;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background-color: white;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* 品牌理念 */
.brand-values {
    padding: 100px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.brand-values h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #333;
}

.values-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.value-item {
    background-color: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.value-item h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #9c27b0;
}

.value-item p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 产品计划 */
.product-plan {
    padding: 100px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.product-plan h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #333;
}

.plan-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.plan-content p {
    margin-bottom: 30px;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #666;
}

.plan-content ul {
    list-style: none;
    margin-bottom: 30px;
    padding: 0;
}

.plan-content li {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #666;
    margin-bottom: 15px;
    position: relative;
    padding-left: 30px;
}

.plan-content li:before {
    content: "•";
    color: #9c27b0;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: 0;
}

/* 联系我们 */
.contact {
    padding: 100px 0;
    background-color: white;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #333;
}

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

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.info-item {
    background-color: #f9f9f9;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.info-item h3 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: #333;
}

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

/* 页脚 */
footer {
    background-color: #333;
    color: white;
    padding: 50px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-logo {
    margin-bottom: 30px;
}

.footer-info p {
    margin-bottom: 10px;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content .slogan {
        font-size: 1.2rem;
    }
    
    .hero-content .subtitle {
        font-size: 1rem;
    }
    
    .about h2,
    .features h2,
    .brand-values h2,
    .contact h2 {
        font-size: 2rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero {
        height: auto;
        padding: 120px 0 80px;
    }
    
    .about,
    .features,
    .brand-values,
    .contact {
        padding: 80px 0;
    }
}

/* 导航栏容器 */
nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

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

.logo img {
    width: 40px;
    height: 40px;
    margin-right: 10px;
}

.logo span {
    font-size: 1.5rem;
    font-weight: 700;
    color: #9c27b0;
}

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

.footer-logo img {
    width: 40px;
    height: 40px;
    margin-right: 10px;
}

.footer-logo span {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}