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

body {
    font-family: 'Arial', sans-serif;
    background-color: #0f0f1a;
    color: #ffffff;
    line-height: 1.6;
}

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

/* 头部样式 */
header {
    background: linear-gradient(90deg, #1a1a2e, #16213e);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.logo {
    color: #00eeff;
    font-size: 2rem;
    text-shadow: 0 0 10px rgba(0, 238, 255, 0.7);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

nav ul li a:hover {
    color: #00eeff;
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #00eeff;
    transition: width 0.3s ease;
}

nav ul li a:hover::after {
    width: 100%;
}

/* 英雄区域样式 */
.hero {
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    padding-top: 80px;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #00eeff, #00ff9d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 20px rgba(0, 238, 255, 0.5);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    background: linear-gradient(90deg, #00eeff, #00ff9d);
    color: #0f0f1a;
    border: none;
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: bold;
    border-radius: 30px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 0 20px rgba(0, 238, 255, 0.5);
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 30px rgba(0, 238, 255, 0.8);
}

/* 产品区域样式 */
.products {
    padding: 100px 0;
    background-color: #16213e;
}

.products h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #00eeff;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background: linear-gradient(135deg, #0f0c29, #302b63);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 238, 255, 0.2);
}

.product-card h3 {
    color: #00eeff;
    margin-bottom: 15px;
    font-size: 1.5rem;
}

/* 服务区域样式 */
.services {
    padding: 100px 0;
    background-color: #0f0f1a;
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #00ff9d;
}

.service-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-item {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease;
    border: 1px solid rgba(0, 255, 157, 0.2);
}

.service-item:hover {
    transform: scale(1.05);
}

.service-item h3 {
    color: #00ff9d;
    margin-bottom: 15px;
    font-size: 1.5rem;
}

/* 关于我们区域样式 */
.about {
    padding: 100px 0;
    background: linear-gradient(135deg, #0f0c29, #302b63);
    text-align: center;
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #00eeff;
}

.about p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.2rem;
}

.business-scope {
    margin-top: 40px;
    text-align: left;
    max-width: 800px;
    margin: 40px auto 0;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.business-scope h3 {
    color: #00ff9d;
    margin-bottom: 20px;
    text-align: center;
    font-size: 1.8rem;
}

.business-scope ul {
    list-style-type: none;
    padding: 0;
}

.business-scope ul li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 1.1rem;
    position: relative;
    padding-left: 20px;
}

.business-scope ul li:last-child {
    border-bottom: none;
}

.business-scope ul li:before {
    content: "▶";
    color: #00eeff;
    position: absolute;
    left: 0;
    top: 10px;
    font-size: 0.8rem;
}

/* 底部样式 */
footer {
    background: linear-gradient(90deg, #1a1a2e, #16213e);
    padding: 30px 0;
    text-align: center;
}

footer a {
    color: #00eeff;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header {
        padding: 15px 0;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    nav ul li {
        margin: 10px 0;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .products,
    .services {
        padding: 60px 0;
    }
    
    .products h2,
    .services h2 {
        font-size: 2rem;
    }
}