/* Tokenim钱包 - 现代化企业级CSS解决方案 */

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

:root {
    /* 主要品牌色 */
    --primary: #0066FF; /* 专业蓝色 */
    --primary-dark: #0052CC;
    --primary-light: #3385FF;
    --secondary: #7B61FF; /* 紫色 */
    --accent: #00D4AA; /* 绿色 */
    
    /* 中性色 */
    --dark: #0F172A;
    --dark-light: #1E293B;
    --gray-900: #1A202C;
    --gray-800: #2D3748;
    --gray-700: #4A5568;
    --gray-600: #718096;
    --gray-500: #A0AEC0;
    --gray-400: #CBD5E0;
    --gray-300: #E2E8F0;
    --gray-200: #EDF2F7;
    --gray-100: #F7FAFC;
    --light: #FFFFFF;
    
    /* 功能色 */
    --success: #22C55E;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;
    
    /* 阴影系统 */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* 圆角 */
    --radius-sm: 6px;
    --radius: 10px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* 间距 */
    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 80px;
    
    /* 字体 */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Poppins', var(--font-sans);
    
    /* 动画 */
    --transition-fast: 150ms ease;
    --transition: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* 容器宽度 */
    --container-sm: 100%;
    --container-md: 720px;
    --container-lg: 960px;
    --container-xl: 1140px;
    --container-2xl: 1320px;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--light);
    overflow-x: hidden;
    min-height: 100vh;
}

/* ===== 布局容器 ===== */
.container {
    width: 100%;
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-sm { max-width: var(--container-md); }
.container-md { max-width: var(--container-lg); }
.container-lg { max-width: var(--container-xl); }
.container-xl { max-width: var(--container-2xl); }

/* ===== 排版 ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
    margin-bottom: var(--space-lg);
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
}

h3 {
    font-size: 1.875rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--gray-700);
}

.small {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* ===== 链接 ===== */
a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition);
    user-select: none;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.btn:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    100% {
        transform: scale(20, 20);
        opacity: 0;
    }
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary) 0%, #6D4AFF 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

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

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

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

.btn-light:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.125rem;
    border-radius: var(--radius-xl);
}

.btn-sm {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.875rem;
}

.btn-full {
    width: 100%;
}

.btn-icon {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

/* ===== 导航栏 ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(229, 231, 235, 0.2);
    transition: all var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

/* Logo样式 */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    transition: transform var(--transition);
}

.logo:hover {
    transform: translateY(-1px);
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-brand {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -0.01em;
}

.logo-tagline {
    font-size: 0.75rem;
    color: var(--gray-600);
    font-weight: 500;
}

/* 导航菜单 */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-list {
    display: flex;
    gap: var(--space-xl);
    list-style: none;
}

.nav-link {
    color: var(--gray-700);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    padding: var(--space-sm) 0;
    position: relative;
    transition: color var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width var(--transition);
}

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

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

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

/* 移动端菜单按钮 */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    width: 32px;
    height: 32px;
    cursor: pointer;
    padding: 0;
    position: relative;
    z-index: 1001;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 1px;
    transition: all var(--transition);
    position: absolute;
    left: 4px;
}

.mobile-toggle span:nth-child(1) { top: 8px; }
.mobile-toggle span:nth-child(2) { top: 15px; }
.mobile-toggle span:nth-child(3) { top: 22px; }

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 15px;
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg);
    top: 15px;
}

/* ===== 主视觉区域 ===== */
.hero {
    padding-top: 140px;
    padding-bottom: var(--space-4xl);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 140%;
    background: radial-gradient(circle at center, rgba(0, 102, 255, 0.08) 0%, transparent 70%);
    z-index: -1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.hero-content {
    max-width: 560px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: var(--space-xs) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-xl);
    box-shadow: var(--shadow-md);
}

.hero-badge::before {
    content: '🔥';
    font-size: 1rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: var(--space-2xl);
}

.hero-actions {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--space-2xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 500;
}

.hero-image {
    position: relative;
}

.wallet-preview {
    width: 100%;
    max-width: 600px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    transform: perspective(1000px) rotateY(-10deg);
    animation: float 6s ease-in-out infinite;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

@keyframes float {
    0%, 100% { 
        transform: perspective(1000px) rotateY(-10deg) translateY(0); 
    }
    50% { 
        transform: perspective(1000px) rotateY(-10deg) translateY(-20px); 
    }
}

/* 认证徽章 */
.trust-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: white;
    padding: var(--space-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    max-width: 280px;
    animation: pulse 2s infinite;
}

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

.trust-badge-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.trust-badge-content {
    flex: 1;
}

.trust-badge-title {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 2px;
}

.trust-badge-desc {
    font-size: 0.75rem;
    color: var(--gray-600);
}

/* ===== 合作伙伴 ===== */
.partners {
    padding: var(--space-3xl) 0;
    background: var(--gray-100);
}

.partners-title {
    text-align: center;
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: var(--space-2xl);
    font-weight: 500;
}

.partners-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-3xl);
    flex-wrap: wrap;
}

.partner-logo {
    height: 32px;
    opacity: 0.6;
    filter: grayscale(1);
    transition: all var(--transition);
}

.partner-logo:hover {
    opacity: 1;
    filter: grayscale(0);
    transform: translateY(-2px);
}

/* ===== 功能区域 ===== */
.features {
    padding: var(--space-4xl) 0;
    background: white;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-4xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-700);
    line-height: 1.7;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-2xl);
}

.feature-card {
    background: white;
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    transition: height var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: transparent;
}

.feature-card:hover::before {
    height: 100%;
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-xl);
    color: white;
    font-size: 1.5rem;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--dark);
}

.feature-desc {
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: 0;
}

/* ===== 新闻动态 ===== */
.news {
    padding: var(--space-4xl) 0;
    background: var(--gray-100);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.news-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition);
    height: 100%;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.news-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.news-card:hover .news-image img {
    transform: scale(1.1);
}

.news-tag {
    position: absolute;
    top: var(--space-lg);
    left: var(--space-lg);
    background: white;
    color: var(--primary);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

.news-content {
    padding: var(--space-2xl);
}

.news-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    color: var(--gray-600);
    font-size: 0.875rem;
}

.news-date {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.news-date::before {
    content: '📅';
    font-size: 0.75rem;
}

.news-title {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: var(--space-md);
}

.news-title a {
    color: var(--dark);
    text-decoration: none;
    transition: color var(--transition);
}

.news-title a:hover {
    color: var(--primary);
}

.news-excerpt {
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    transition: gap var(--transition);
}

.news-link:hover {
    gap: var(--space-md);
}

.news-link-icon {
    width: 16px;
    height: 16px;
    stroke-width: 3;
}

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

/* ===== 下载区域 ===== */
.download {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.download::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><path fill="%230066FF" opacity="0.1" d="M0,0L1000,0L1000,1000L0,1000Z"/></svg>') no-repeat center/cover;
}

.download-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.download-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, white 0%, var(--gray-300) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.download-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-3xl);
    line-height: 1.7;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.download-platform {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-decoration: none;
    color: white;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.download-platform:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
    border-color: var(--primary);
}

.platform-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: var(--radius-lg);
    color: var(--primary);
    font-size: 2rem;
}

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

.platform-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.platform-version {
    font-size: 0.875rem;
    opacity: 0.8;
}

.download-note {
    font-size: 0.875rem;
    opacity: 0.8;
    color: rgba(255, 255, 255, 0.9);
}

/* 页脚样式 */
.footer {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    color: #E2E8F0;
    padding-top: var(--space-4xl);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #334155, transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-4xl);
    margin-bottom: var(--space-4xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.footer-logo-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    text-decoration: none;
    color: white;
    transition: opacity var(--transition);
}

.footer-logo:hover {
    opacity: 0.9;
}

.footer-logo-img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.footer-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.footer-logo-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.footer-logo-tagline {
    font-size: 0.875rem;
    color: #94A3B8;
    font-weight: 500;
}

.footer-description {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: #94A3B8;
    margin: 0;
}

.footer-social {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.social-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: #CBD5E1;
    margin: 0;
}

.social-links {
    display: flex;
    gap: var(--space-sm);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #334155;
    border-radius: var(--radius);
    color: white;
    text-decoration: none;
    transition: all var(--transition);
    border: 1px solid transparent;
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-2px);
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.2);
}

.social-icon {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.footer-download {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid #334155;
}

.download-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: #CBD5E1;
    margin: 0 0 var(--space-md) 0;
}

.download-badges {
    display: flex;
    gap: var(--space-sm);
}

.download-badge {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid #475569;
    border-radius: var(--radius);
    padding: var(--space-sm) var(--space-md);
    color: #E2E8F0;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition);
    flex: 1;
    justify-content: center;
}

.download-badge:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.badge-icon {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
}

.footer-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.footer-group-title {
    font-size: 1rem;
    font-weight: 700;
    color: white;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-group-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-group-item {
    margin: 0;
}

.footer-group-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: #94A3B8;
    text-decoration: none;
    font-size: 0.9375rem;
    transition: all var(--transition);
    padding: var(--space-xs) 0;
}

.footer-group-link:hover {
    color: white;
    padding-left: var(--space-xs);
}

.footer-group-link-icon {
    width: 14px;
    height: 14px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    opacity: 0.7;
    flex-shrink: 0;
}

.footer-group-link:hover .footer-group-link-icon {
    opacity: 1;
    transform: translateX(2px);
}

.footer-bottom {
    padding-top: var(--space-2xl);
    border-top: 1px solid #334155;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.footer-copyright {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.footer-copyright p {
    margin: 0;
    font-size: 0.875rem;
    color: #94A3B8;
}

.copyright-notice {
    font-size: 0.75rem;
    color: #64748B;
    line-height: 1.4;
}

.footer-legal {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    justify-content: center;
}

.footer-legal-link {
    color: #94A3B8;
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition);
    white-space: nowrap;
}

.footer-legal-link:hover {
    color: white;
}

.footer-security {
    text-align: right;
}

.security-badges {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    align-items: flex-end;
}

.security-badge {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.75rem;
    color: #94A3B8;
    background: rgba(255, 255, 255, 0.05);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius);
    border: 1px solid #334155;
}

.security-icon {
    width: 12px;
    height: 12px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.footer-icp {
    padding-top: var(--space-xl);
    margin-top: var(--space-xl);
    border-top: 1px solid #334155;
    text-align: center;
}

.icp-info {
    font-size: 0.75rem;
    color: #64748B;
    margin: 0 0 var(--space-sm) 0;
}

.icp-number {
    margin-left: var(--space-md);
    color: #94A3B8;
}

.disclaimer {
    font-size: 0.75rem;
    color: #64748B;
    line-height: 1.4;
    max-width: 800px;
    margin: 0 auto;
}

/* 响应式调整 */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        text-align: center;
    }
    
    .security-badges {
        align-items: center;
    }
    
    .footer-legal {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .download-badges {
        flex-direction: column;
    }
    
    .social-links {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .footer {
        padding-top: var(--space-3xl);
    }
    
    .footer-legal {
        gap: var(--space-md);
    }
    
    .icp-number {
        display: block;
        margin: var(--space-xs) 0 0 0;
    }
}

/* ===== 工具类 ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mt-5 { margin-top: var(--space-xl); }
.mt-6 { margin-top: var(--space-2xl); }

.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.mb-5 { margin-bottom: var(--space-xl); }
.mb-6 { margin-bottom: var(--space-2xl); }

.p-1 { padding: var(--space-xs); }
.p-2 { padding: var(--space-sm); }
.p-3 { padding: var(--space-md); }
.p-4 { padding: var(--space-lg); }
.p-5 { padding: var(--space-xl); }
.p-6 { padding: var(--space-2xl); }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.grid { display: grid; }

.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-1 { gap: var(--space-xs); }
.gap-2 { gap: var(--space-sm); }
.gap-3 { gap: var(--space-md); }
.gap-4 { gap: var(--space-lg); }
.gap-5 { gap: var(--space-xl); }
.gap-6 { gap: var(--space-2xl); }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded { border-radius: var(--radius); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.bg-white { background: white; }
.bg-gray-100 { background: var(--gray-100); }
.bg-primary { background: var(--primary); }
.bg-dark { background: var(--dark); }

.text-white { color: white; }
.text-gray-600 { color: var(--gray-600); }
.text-gray-700 { color: var(--gray-700); }
.text-primary { color: var(--primary); }

/* ===== 响应式设计 ===== */
@media (max-width: 1200px) {
    :root {
        --container-2xl: 1140px;
    }
    
    h1 { font-size: 3rem; }
    h2 { font-size: 2.25rem; }
}

@media (max-width: 992px) {
    :root {
        --container-2xl: 960px;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-3xl);
    }
    
    .hero-image {
        order: -1;
    }
    
    .trust-badge {
        left: 50%;
        transform: translateX(-50%);
        bottom: -40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --container-2xl: 100%;
        --space-lg: 20px;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    
    .navbar {
        height: 70px;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: white;
        padding: var(--space-2xl);
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition);
        box-shadow: var(--shadow-xl);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--space-lg);
        width: 100%;
        margin-bottom: var(--space-xl);
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-lg {
        width: 100%;
        max-width: 300px;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .download-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--space-md);
    }
}

@media (max-width: 576px) {
    :root {
        --space-xl: 24px;
        --space-2xl: 40px;
        --space-3xl: 56px;
        --space-4xl: 72px;
    }
    
    .container {
        padding: 0 var(--space-md);
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .section-title {
        font-size: 2rem;
    }
    
    .download-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== 打印样式 ===== */
@media print {
    .header,
    .footer,
    .hero-actions,
    .download,
    .partners {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: #000;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    h1, h2, h3, h4, h5, h6 {
        color: #000;
        page-break-after: avoid;
    }
    
    .hero, .features, .news {
        padding: 20pt 0;
        page-break-inside: avoid;
    }
    
    a {
        color: #000;
        text-decoration: underline;
    }
}

/* Tokenim钱包新闻页面专用样式 */

/* 新闻页主视觉 */
.news-hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #2563EB 0%, #1E40AF 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.news-hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.news-breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    margin-bottom: 24px;
}

.news-breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition);
}

.news-breadcrumb a:hover {
    color: white;
}

.news-breadcrumb span {
    color: rgba(255, 255, 255, 0.6);
}

.news-hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: white;
    line-height: 1.1;
}

.news-hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.news-hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-bottom: 40px;
}

.news-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.news-stat .stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    line-height: 1;
    margin-bottom: 4px;
}

.news-stat .stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

/* 新闻搜索 */
.news-search {
    max-width: 600px;
    margin: 0 auto;
}

.search-form {
    position: relative;
}

.search-input {
    width: 100%;
    padding: 16px 24px;
    padding-right: 60px;
    font-size: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: white;
    transition: all var(--transition);
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.search-input:focus {
    outline: none;
    border-color: white;
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.search-button {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius);
    transition: background-color var(--transition);
}

.search-button:hover {
    background: rgba(255, 255, 255, 0.1);
}

.search-button svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

/* 装饰背景 */
.news-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    animation: float 8s ease-in-out infinite;
}

.bg-circle-1 {
    width: 300px;
    height: 300px;
    top: -150px;
    right: -150px;
    animation-delay: 0s;
}

.bg-circle-2 {
    width: 200px;
    height: 200px;
    bottom: -100px;
    left: 10%;
    animation-delay: 2s;
}

.bg-circle-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    right: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* 新闻分类过滤 */
.news-filter {
    padding: 40px 0;
    background: white;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 80px;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.filter-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.filter-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-700);
    margin: 0;
    white-space: nowrap;
}

.filter-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    flex: 1;
    justify-content: center;
}

.filter-tag {
    padding: 8px 16px;
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.filter-tag:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

.filter-tag.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.sort-options {
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.sort-label {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.sort-select {
    padding: 8px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.875rem;
    color: var(--gray-700);
    background: white;
    cursor: pointer;
    transition: border-color var(--transition);
}

.sort-select:focus {
    outline: none;
    border-color: var(--primary);
}

/* 精选新闻 */
.featured-news {
    padding: 80px 0;
    background: white;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 48px;
    color: var(--dark);
}

.featured-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 32px;
}

.featured-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.featured-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
}

.featured-main {
    grid-row: span 2;
}

.featured-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.featured-main .featured-image {
    height: 400px;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.featured-card:hover .featured-image img {
    transform: scale(1.05);
}

.featured-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: white;
    color: var(--primary);
    padding: 6px 12px;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 700;
    box-shadow: var(--shadow);
}

.featured-content {
    padding: 32px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.featured-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.featured-category {
    background: var(--primary);
    color: white;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.featured-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
}

.featured-main .featured-title {
    font-size: 2rem;
}

.featured-link {
    color: var(--dark);
    text-decoration: none;
    transition: color var(--transition);
}

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

.featured-excerpt {
    color: var(--gray-700);
    line-height: 1.6;
    margin-bottom: 24px;
    flex: 1;
}

.featured-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

.featured-side {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.featured-side .featured-image {
    height: 180px;
}

.featured-side .featured-content {
    padding: 24px;
}

.featured-side .featured-title {
    font-size: 1.25rem;
}

/* 新闻列表 */
.news-list {
    padding: 80px 0;
    background: var(--gray-100);
}

.news-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 48px;
}

.news-list-header .section-title {
    margin: 0;
    text-align: left;
}

.news-view-options {
    display: flex;
    gap: 8px;
    background: white;
    padding: 4px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-300);
}

.view-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition);
}

.view-btn:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

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

.view-btn svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.news-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.news-grid.list-view {
    grid-template-columns: 1fr;
}

.news-grid.list-view .news-card {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 0;
}

.news-grid.list-view .news-image {
    height: 100%;
}

.news-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

.news-card:hover .news-image img {
    transform: scale(1.05);
}

.news-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background: white;
    color: var(--primary);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

.news-content {
    padding: 24px;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.news-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-content h3 a {
    color: var(--dark);
    text-decoration: none;
    transition: color var(--transition);
}

.news-content h3 a:hover {
    color: var(--primary);
}

.news-content p {
    color: var(--gray-700);
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 0.9375rem;
}

.news-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.news-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap var(--transition);
}

.news-link:hover {
    gap: 8px;
}

.news-link::after {
    content: '→';
    transition: transform var(--transition);
}

.news-link:hover::after {
    transform: translateX(4px);
}

.news-like {
    font-size: 0.875rem;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 分页器 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
}

.page-btn {
    padding: 12px 24px;
    background: white;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.page-btn:hover:not(:disabled) {
    background: var(--gray-100);
    border-color: var(--gray-400);
    color: var(--gray-800);
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-btn svg {
    width: 16px;
    height: 16px;
    stroke-width: 2;
}

.page-numbers {
    display: flex;
    gap: 8px;
}

.page-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition);
}

.page-number:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
    color: var(--gray-800);
}

.page-number.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.page-ellipsis {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--gray-600);
}

/* 新闻订阅 */
.news-subscribe {
    padding: 80px 0;
    background: white;
}

.subscribe-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-xl);
    padding: 64px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    color: white;
}

.subscribe-content {
    max-width: 500px;
}

.subscribe-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: white;
}

.subscribe-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: 32px;
}

.subscribe-form {
    margin-bottom: 40px;
}

.form-group {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}

.form-input {
    flex: 1;
    padding: 16px 24px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.1);
    font-size: 1rem;
    color: white;
    transition: all var(--transition);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-input:focus {
    outline: none;
    border-color: white;
    background: rgba(255, 255, 255, 0.15);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.form-checkbox input {
    margin-top: 4px;
}

.form-checkbox label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.5;
}

.form-checkbox a {
    color: white;
    text-decoration: underline;
}

.form-checkbox a:hover {
    text-decoration: none;
}

.subscribe-stats {
    display: flex;
    gap: 48px;
}

.subscribe-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.subscribe-stat .stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: white;
    line-height: 1;
    margin-bottom: 4px;
}

.subscribe-stat .stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

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

.subscribe-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
}

/* 热门标签 */
.news-tags {
    padding: 60px 0;
    background: var(--gray-100);
    border-top: 1px solid var(--gray-200);
}

.tags-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 32px;
    color: var(--dark);
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
}

.tag-item {
    display: inline-block;
    padding: 8px 20px;
    background: white;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    text-decoration: none;
    transition: all var(--transition);
}

.tag-item:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .featured-grid {
        grid-template-columns: 1fr;
    }
    
    .featured-main {
        grid-row: 1;
    }
    
    .featured-side {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
    
    .subscribe-card {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    
    .subscribe-content {
        max-width: 100%;
    }
    
    .subscribe-stats {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .news-hero-title {
        font-size: 2.5rem;
    }
    
    .news-hero-subtitle {
        font-size: 1.125rem;
    }
    
    .news-hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .filter-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-tags {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 8px;
    }
    
    .news-list-header {
        flex-direction: column;
        align-items: stretch;
        gap: 24px;
    }
    
    .news-list-header .section-title {
        text-align: center;
    }
    
    .news-view-options {
        align-self: center;
    }
    
    .featured-side {
        grid-template-columns: 1fr;
    }
    
    .news-grid.list-view .news-card {
        grid-template-columns: 1fr;
    }
    
    .form-group {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .news-hero {
        padding: 120px 0 60px;
    }
    
    .news-hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .subscribe-card {
        padding: 40px 24px;
    }
    
    .subscribe-title {
        font-size: 2rem;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
}