/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 颜色变量 */
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* 背景颜色 */
    --bg-primary: #0a0e1a;
    --bg-secondary: #1a1f2e;
    --bg-tertiary: #2a2f3e;
    --bg-card: rgba(26, 31, 46, 0.8);
    
    /* 文字颜色 */
    --text-primary: #ffffff;
    --text-secondary: #b0b8c8;
    --text-muted: #6b7280;
    
    /* 边框和阴影 */
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-light: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-heavy: 0 20px 40px rgba(0, 0, 0, 0.3);
    
    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    --gradient-secondary: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    --gradient-accent: linear-gradient(135deg, #10b981 0%, #059669 100%);
    
    /* 字体 */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* 边框圆角 */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    --container-max: 1600px;
    --container-min: 1380px;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-width: var(--container-min);
    overflow-x: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    min-width: var(--container-min);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* 粒子背景 */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition-normal);
}

.nav-container {
    width: 100%;
    min-width: var(--container-min);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-infinity {
    font-size: 2rem;
    font-weight: 300;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse 2s ease-in-out infinite;
}

.nav-official-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.nav-official-link:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.lang-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.lang-toggle:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.join-dao {
    background: var(--gradient-primary);
    border: none;
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.join-dao:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* 主页部分 */
.hero {
    min-height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 0 64px;
    position: relative;
}

.hero-content {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    z-index: 1;
}

.hero-title {
    margin-bottom: var(--spacing-lg);
}

.title-main {
    display: block;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.title-sub {
    display: block;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 600;
    color: var(--text-secondary);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* 按钮样式 */
.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
}

/* 通用部分样式 */
section {
    padding: var(--spacing-2xl) 0;
    scroll-margin-top: 100px;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid rgba(59, 130, 246, 0.9);
    outline-offset: 3px;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 关于我们部分 */
.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.about-text {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 公司概况样式 */
.company-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    align-items: start;
}

.overview-text h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.overview-text p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.company-info-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.info-mini-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    transition: var(--transition-normal);
}

.info-mini-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-medium);
}

.info-mini-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.info-mini-card h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.info-mini-card p {
    font-size: 0.95rem;
    color: var(--primary-color);
    font-weight: 600;
}

/* 使命愿景价值观卡片 */
.mission-vision-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.mv-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.mv-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
}

.mv-card.vision-card::before {
    background: var(--gradient-secondary);
}

.mv-card.values-card::before {
    background: var(--gradient-accent);
}

.mv-card:hover {
    transform: translateX(10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-medium);
}

.mv-icon-wrapper {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.mv-card.vision-card .mv-icon-wrapper {
    background: var(--gradient-secondary);
}

.mv-card.values-card .mv-icon-wrapper {
    background: var(--gradient-accent);
}

.mv-icon {
    font-size: 1.5rem;
}

.mv-card h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.mv-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 投资策略部分 */
.strategy {
    background: var(--bg-secondary);
}

.strategy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.strategy-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.strategy-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.strategy-card:hover::after {
    transform: scaleX(1);
}

.strategy-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.strategy-icon-wrapper {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
    transition: var(--transition-normal);
}

.strategy-card:hover .strategy-icon-wrapper {
    transform: scale(1.1) rotate(5deg);
}

.strategy-icon {
    font-size: 2rem;
}

.strategy-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.strategy-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 投资服务部分 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.service-features {
    list-style: none;
}

.service-features li {
    color: var(--text-secondary);
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-md);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* 投资组合部分 */
.portfolio {
    background: var(--bg-secondary);
}

.portfolio-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.portfolio-chart {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.chart-container {
    position: relative;
    height: 300px;
    margin-bottom: var(--spacing-lg);
}

.chart-legend {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 50%;
}

.portfolio-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.stat-item {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.stat-name {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.top-holdings {
    margin-top: var(--spacing-2xl);
}

.top-holdings h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.holdings-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--spacing-lg);
}

.holding-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: var(--transition-normal);
}

.holding-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.holding-logo {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.holding-info h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.holding-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.holding-return {
    margin-left: auto;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--success-color);
}

/* 治理部分 */
.governance-content {
    display: grid;
    gap: var(--spacing-2xl);
}

.governance-process {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.process-step {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    position: relative;
    transition: var(--transition-normal);
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin: 0 auto var(--spacing-md);
}

.step-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.active-proposals h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.proposals-list {
    display: grid;
    gap: var(--spacing-lg);
}

.proposal-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: var(--transition-normal);
}

.proposal-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.proposal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.proposal-header h4 {
    font-size: 1.3rem;
    font-weight: 600;
}

.proposal-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.proposal-status.active {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.proposal-status.pending {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
}

.proposal-desc {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.proposal-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.vote-progress {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.progress-bar {
    width: 200px;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-accent);
    transition: var(--transition-normal);
}

.proposal-time {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 团队部分 */
.team {
    background: var(--bg-secondary);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.team-member {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-normal);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.member-avatar {
    width: 100px;
    height: 100px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto var(--spacing-md);
}

.member-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.member-role {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.member-desc {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 联系我们部分 */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-info {
    display: grid;
    gap: var(--spacing-lg);
}

.info-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-normal);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.info-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.info-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.info-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.social-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.social-link:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.join-form {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.join-form h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.contact-form {
    display: grid;
    gap: var(--spacing-md);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

/* 页脚 */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

/* Footer Brand Section */
.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-infinity {
    font-size: 2.5rem;
    font-weight: 300;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-logo-text h3 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.footer-tagline {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.footer-social-icons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-icon-link {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.social-icon-link:nth-child(2) {
    background: var(--gradient-secondary);
}

.social-icon-link:nth-child(3) {
    background: var(--gradient-accent);
}

.social-icon-link:nth-child(4) {
    background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
}

.social-icon-link:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--shadow-medium);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.disclaimer {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .portfolio-content {
        grid-template-columns: 1fr;
    }
    
    .portfolio-stats {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .governance-process {
        grid-template-columns: 1fr;
    }
    
    .holdings-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .company-overview {
        grid-template-columns: 1fr;
    }
    
    .strategy-grid {
        grid-template-columns: 1fr;
    }
    
    .company-info-cards {
        grid-template-columns: 1fr;
    }
    
    .mv-card:hover {
        transform: translateX(5px);
    }
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .nav-container {
        padding: 0 var(--spacing-sm);
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* 加载动画 */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.loader::after {
    content: '';
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 入场动画 */
.loaded .hero-content {
    animation: fadeInUp 1s ease;
}

.loaded .stat-card {
    animation: fadeInUp 0.8s ease;
}

.loaded .feature-card {
    animation: fadeInUp 0.6s ease;
}

/* 悬浮效果 */
.feature-card:hover,
.service-card:hover,
.team-member:hover {
    animation: float 2s ease-in-out infinite;
}

/* 脉冲效果 */
.btn-primary:hover {
    animation: pulse 1s ease-in-out;
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    :root {
        --border-color: rgba(255, 255, 255, 0.3);
        --text-secondary: #e5e7eb;
    }
}

/* 减少动画模式支持 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}