/* 全局样式 */
:root {
    --primary-color: #FFCC00;
    --secondary-color: #3B4CCA;
    --accent-color: #FF0000;
    --dark-color: #2A2A2A;
    --light-color: #F5F5F5;
    --text-color: #333333;
    --text-light: #777777;
    --grass-color: #78C850;
    --fire-color: #F08030;
    --water-color: #6890F0;
    --electric-color: #F8D030;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --dark-color: #F5F5F5;
    --light-color: #2A2A2A;
    --text-color: #F5F5F5;
    --text-light: #CCCCCC;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    background-color: var(--light-color);
    line-height: 1.6;
    transition: var(--transition);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

.highlight {
    color: var(--accent-color);
}

.text-center {
    text-align: center;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    font-size: 16px;
    font-family: 'Rubik', sans-serif;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--dark-color);
}

.btn-primary:hover {
    background-color: #E6B800;
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--dark-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

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

.btn-outline:hover {
    background-color: var(--secondary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: 'Rubik', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

[data-theme="dark"] .navbar {
    background-color: rgba(42, 42, 42, 0.95);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-family: 'Rubik', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.logo-icon {
    width: 35px;
    height: 35px;
    margin-right: 10px;
    animation: spin 10s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

.nav-link {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 50px;
    transition: var(--transition);
    margin: 0 5px;
}

.nav-link:hover, .nav-link.active {
    background-color: var(--primary-color);
    color: var(--dark-color);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    width: 30px;
    height: 24px;
    justify-content: space-between;
}

.nav-toggle span {
    height: 3px;
    width: 100%;
    background-color: var(--dark-color);
    border-radius: 3px;
    transition: var(--transition);
}

.theme-toggle {
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--dark-color);
    transition: var(--transition);
}

.theme-toggle:hover {
    color: var(--primary-color);
    transform: rotate(30deg);
}

/* 英雄区域 */
.hero {
    padding-top: 150px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #1a237e 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.hero-content {
    flex: 1;
    min-width: 300px;
    padding-right: 30px;
}

.hero-title {
    font-family: 'Rubik', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
    max-width: 500px;
}

.hero-buttons {