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

:root {
    --primary-blue: #4CBFFF;
    --secondary-blue: #87CEEB;
    --light-blue: #E6F3FF;
    --dark-blue: #2E86AB;
    --accent-pink: #FF6B9D;
    --accent-orange: #FFA500;
    --text-dark: #2C3E50;
    --text-light: #7F8C8D;
    --white: #FFFFFF;
    --gradient-blue: linear-gradient(135deg, #4CBFFF 0%, #87CEEB 100%);
    --shadow: 0 10px 30px rgba(76, 191, 255, 0.2);
    --border-radius: 20px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: linear-gradient(135deg, #E6F3FF 0%, #F0F8FF 100%);
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-blue);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* 英雄区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

/* 背景视频 */
.hero-bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    opacity: 0.4;
}

/* 视频遮罩层 */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.6) 0%, rgba(76, 191, 255, 0.3) 50%, rgba(135, 206, 235, 0.3) 100%);
    z-index: 1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    z-index: 3;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.gradient-text {
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-weight: 600;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-blue);
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(76, 191, 255, 0.3);
}

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

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-3px);
}

/* Hero Image */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 3;
}

.hero-character-img {
    width: 500px;
    height: auto;
    max-width: 100%;
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.1));
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* 浮动元素 */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
}

.floating-element {
    position: absolute;
    font-size: 2rem;
    animation: float-around 8s ease-in-out infinite;
    animation-delay: var(--delay);
}

.floating-element:nth-child(1) { top: 20%; left: 10%; }
.floating-element:nth-child(2) { top: 30%; right: 15%; }
.floating-element:nth-child(3) { top: 60%; left: 5%; }
.floating-element:nth-child(4) { top: 70%; right: 10%; }

@keyframes float-around {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(20px, -20px) rotate(90deg); }
    50% { transform: translate(0, -40px) rotate(180deg); }
    75% { transform: translate(-20px, -20px) rotate(270deg); }
}

/* 关于部分 */
.about {
    padding: 6rem 0;
    background: var(--white);
}

.section-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 3rem;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.about-text p {
    font-size: 1.2rem;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 3rem;
    line-height: 1.8;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature {
    text-align: center;
    padding: 2rem;
    background: var(--light-blue);
    border-radius: var(--border-radius);
    transition: transform 0.3s ease;
}

.feature:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature p {
    color: var(--text-light);
}

/* 代币经济学 */
.tokenomics {
    padding: 6rem 0;
    background: linear-gradient(135deg, #F0F8FF 0%, #E6F3FF 100%);
}

.tokenomics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.token-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.token-card:hover {
    transform: translateY(-10px);
}

.token-card h3 {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.token-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.token-card p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* 路线图 */
.roadmap {
    padding: 6rem 0;
    background: var(--white);
}

.roadmap-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.roadmap-item {
    background: var(--light-blue);
    padding: 2rem;
    border-radius: var(--border-radius);
    position: relative;
    transition: transform 0.3s ease;
}

.roadmap-item:hover {
    transform: translateY(-10px);
}

.roadmap-phase {
    background: var(--gradient-blue);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    display: inline-block;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.roadmap-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.roadmap-item ul {
    list-style: none;
}

.roadmap-item li {
    padding: 0.5rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
}

.roadmap-item li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

/* 社区部分 */
.community {
    padding: 6rem 0;
    background: linear-gradient(135deg, #E6F3FF 0%, #F0F8FF 100%);
}

.community-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.community-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.social-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.social-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    background: var(--white);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-dark);
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.social-link:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(76, 191, 255, 0.3);
}

.social-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* 页脚 */
.footer {
    background: var(--dark-blue);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-character-img {
        width: 300px;
        height: auto;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .tokenomics-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .roadmap-timeline {
        grid-template-columns: 1fr;
    }
    
    .social-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .hero-character-img {
        width: 250px;
        height: auto;
    }
}

/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}