/* 基础样式 */
:root {
    --primary-color: #3a86ff;
    --secondary-color: #8338ec;
    --text-color: #333;
    --light-gray: #f8f9fa;
    --dark-gray: #6c757d;
    --font-main: 'Segoe UI', Roboto, sans-serif;
}

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

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
}

/* 布局样式 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 导航样式 */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo img {
    height: 40px;
    width: auto;
}

/* 按钮样式 */
.cta-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 5rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--dark-gray);
}

/* 响应式设计 */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
}