/* 全局样式重置和变量定义 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 原有蓝色主题变量保持，新增温暖金色主题 */
    --primary-blue: #f5b041;  /* 将主蓝色替换为温暖金色 */
    --secondary-blue: #f39c12; /* 将次蓝色替换为温暖橙色 */
    --blue-600: #e67e22;
    --blue-700: #d35400;
    --blue-800: #ba4a00;
    
    /* 温暖金色系统 */
    --warm-primary: #f5b041;
    --warm-secondary: #f39c12;
    --warm-accent: #e67e22;
    --warm-light: #fdf2e9;
    --warm-white: #fefefe;
    --warm-gray: #f8f9fa;
    
    /* 保持原有的其他颜色变量 */
    --gold: #f5b041;
    --gold-dark: #f39c12;
    --warm-orange: #e67e22;
    
    /* 文字颜色保持不变 */
    --gray-900: #1a202c;
    --gray-700: #2d3748;
    --gray-600: #4a5568;
    --gray-500: #718096;
    --gray-400: #a0aec0;
    --gray-300: #cbd5e0;
    --gray-200: #e2e8f0;
    --gray-100: #f7fafc;
    --white: #ffffff;
    
    /* 阴影系统更新 */
    --shadow-sm: 0 1px 2px 0 rgba(245, 176, 65, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(245, 176, 65, 0.1), 0 2px 4px -1px rgba(245, 176, 65, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(245, 176, 65, 0.1), 0 4px 6px -2px rgba(245, 176, 65, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(245, 176, 65, 0.1), 0 10px 10px -5px rgba(245, 176, 65, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(245, 176, 65, 0.25);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--warm-light) 0%, var(--warm-white) 50%, #fff8f0 100%);
    color: var(--gray-900);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

/* 通用按钮样式 */
.btn {
    padding: 10px 24px;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-outline {
    background: transparent;
    color: var(--warm-primary);
    border: 2px solid var(--warm-primary);
}

.btn-outline:hover {
    background: var(--warm-primary);
    color: white;
    transform: translateY(-2px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--warm-primary), var(--warm-secondary));
    color: white;
    border: none;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 176, 65, 0.3);
}

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
    border-radius: 12px;
}

/* 通用导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    display: flex;
    align-items: center;
    padding: 0 5%;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    height: 70px;
    box-shadow: var(--shadow-md);
}

.navbar-content {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-blue);
    font-family: 'Noto Serif SC', serif;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-item {
    font-size: 16px;
    color: var(--gray-700);
    cursor: pointer;
    transition: color 0.3s ease;
}

.nav-item:hover {
    color: var(--primary-blue);
}

.nav-actions {
    display: flex;
    gap: 16px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .navbar {
        padding: 0 20px;
    }
}