/* ============================================
   im冷钱包 - 全站样式表
   品牌色系：深空蓝 #0a0e27 → 极光紫 #6c3ce0
   ============================================ */

/* === 基础重置与字体 === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

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

:root {
    --deep-space: #0a0e27;
    --aurora-purple: #6c3ce0;
    --aurora-blue: #3b82f6;
    --aurora-cyan: #06b6d4;
    --aurora-green: #10b981;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-hover: rgba(255, 255, 255, 0.1);
    --text-primary: #f0f0f5;
    --text-secondary: #a0a3b5;
    --text-accent: #c084fc;
    --gradient-main: linear-gradient(135deg, #0a0e27 0%, #1a1040 30%, #2d1b69 60%, #6c3ce0 100%);
    --gradient-card: linear-gradient(135deg, rgba(108, 60, 224, 0.15), rgba(59, 130, 246, 0.1));
    --gradient-btn: linear-gradient(135deg, #6c3ce0, #3b82f6);
    --gradient-btn-hover: linear-gradient(135deg, #7c4ce8, #4b92ff);
    --shadow-glow: 0 0 30px rgba(108, 60, 224, 0.3);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --font-main: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background: var(--deep-space);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

a {
    color: var(--text-accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--aurora-cyan);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

h1 { font-size: 2.8rem; }
h2 { font-size: 2.2rem; }
h3 { font-size: 1.6rem; }
h4 { font-size: 1.3rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

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

/* === 粒子背景画布 === */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* === 网格背景 === */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(108, 60, 224, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(108, 60, 224, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
    pointer-events: none;
}

/* === 磨砂玻璃卡片 === */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 28px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.glass-card:hover {
    background: var(--glass-hover);
    border-color: rgba(108, 60, 224, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

/* === 顶部导航 === */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 39, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
}

.brand-logo img {
    height: 32px;
    width: auto;
}

.brand-logo .logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-btn);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #fff;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.main-nav a {
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--text-primary);
    background: rgba(108, 60, 224, 0.15);
}

.nav-cta {
    background: var(--gradient-btn) !important;
    color: #fff !important;
    padding: 8px 20px !important;
    border-radius: 20px !important;
    font-weight: 600 !important;
}

.nav-cta:hover {
    box-shadow: 0 0 20px rgba(108, 60, 224, 0.5);
}

/* 移动端汉堡菜单 */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* === 搜索栏 === */
.search-bar {
    background: rgba(10, 14, 39, 0.6);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    padding: 12px 0;
    margin-top: 72px;
    position: relative;
    z-index: 10;
}

.search-wrapper {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.search-wrapper input {
    width: 100%;
    padding: 12px 48px 12px 20px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: var(--font-main);
    outline: none;
    transition: all 0.3s ease;
}

.search-wrapper input:focus {
    border-color: var(--aurora-purple);
    box-shadow: 0 0 20px rgba(108, 60, 224, 0.2);
}

.search-wrapper input::placeholder {
    color: var(--text-secondary);
}

.search-wrapper .search-icon {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.search-loading {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-top: 8px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    z-index: 100;
}

.search-loading.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.search-loading .spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--glass-border);
    border-top-color: var(--aurora-purple);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 10px;
}

/* === 面包屑导航 === */
.breadcrumb {
    padding: 16px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    position: relative;
    z-index: 10;
}

.breadcrumb a {
    color: var(--text-secondary);
}

.breadcrumb a:hover {
    color: var(--text-accent);
}

.breadcrumb span {
    margin: 0 8px;
    opacity: 0.5;
}

/* === Hero 区域 === */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 10;
    padding: 120px 0 60px;
    background: radial-gradient(ellipse at 30% 50%, rgba(108, 60, 224, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 0%, #c084fc 50%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text .subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-text .hero-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
}

.hero-text .hero-keywords span {
    padding: 6px 16px;
    background: rgba(108, 60, 224, 0.15);
    border: 1px solid rgba(108, 60, 224, 0.3);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-accent);
}

.hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--gradient-btn);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary:hover {
    box-shadow: 0 0 30px rgba(108, 60, 224, 0.5);
    transform: translateY(-2px);
    color: #fff;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-outline:hover {
    border-color: var(--aurora-purple);
    background: rgba(108, 60, 224, 0.1);
    color: #fff;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual img {
    max-width: 420px;
    border-radius: var(--radius-lg);
    filter: drop-shadow(0 20px 60px rgba(108, 60, 224, 0.3));
    animation: float 6s ease-in-out infinite;
}

/* === 统计数据条 === */
.stats-bar {
    position: relative;
    z-index: 10;
    padding: 40px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-item {
    text-align: center;
    padding: 24px;
}

.stat-item .stat-number {
    font-size: 2.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--aurora-purple), var(--aurora-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

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

/* === 通用区块标题 === */
.section-header {
    text-align: center;
    margin-bottom: 48px;
    position: relative;
}

.section-header h2 {
    margin-bottom: 16px;
    background: linear-gradient(135deg, #fff, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.05rem;
}

.section-header::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--gradient-btn);
    margin: 20px auto 0;
    border-radius: 2px;
}

/* === 安全动态区 === */
.section-block {
    position: relative;
    z-index: 10;
    padding: 80px 0;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.news-card {
    cursor: pointer;
}

.news-card .card-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(108, 60, 224, 0.2);
    border-radius: 12px;
    font-size: 0.78rem;
    color: var(--text-accent);
    margin-bottom: 14px;
}

.news-card h5 {
    margin-bottom: 10px;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.news-card:hover h5 {
    color: var(--text-accent);
}

.news-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card .card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    opacity: 0.7;
}

/* === 全球资产安全监控仪表盘 === */
.dashboard-section {
    position: relative;
    z-index: 10;
    padding: 80px 0;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

.dashboard-main {
    padding: 32px;
}

.price-display {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 24px;
}

.price-display .price-value {
    font-size: 3rem;
    font-weight: 800;
    color: var(--aurora-green);
    font-variant-numeric: tabular-nums;
}

.price-display .price-change {
    font-size: 1.1rem;
    padding: 4px 12px;
    border-radius: 8px;
    font-weight: 600;
}

.price-display .price-change.up {
    color: var(--aurora-green);
    background: rgba(16, 185, 129, 0.15);
}

.price-display .price-change.down {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.15);
}

.price-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* 价格图表区域 */
.chart-area {
    height: 200px;
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-sm);
    background: rgba(108, 60, 224, 0.05);
}

.chart-line {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100%;
}

.chart-line svg {
    width: 100%;
    height: 100%;
}

/* 侧边安全指标 */
.dashboard-side {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.metric-card {
    padding: 20px;
    text-align: center;
}

.metric-card .metric-value {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 6px;
}

.metric-card .metric-value.green { color: var(--aurora-green); }
.metric-card .metric-value.purple { color: var(--aurora-purple); }
.metric-card .metric-value.blue { color: var(--aurora-blue); }
.metric-card .metric-value.cyan { color: var(--aurora-cyan); }

.metric-card .metric-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.metric-card .metric-bar {
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    margin-top: 12px;
    overflow: hidden;
}

.metric-card .metric-bar-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 1.5s ease;
}

/* === AI赋能区 === */
.ai-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.ai-card {
    text-align: center;
    padding: 36px 28px;
}

.ai-card .ai-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: var(--gradient-card);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    border: 1px solid rgba(108, 60, 224, 0.2);
}

.ai-card h5 {
    margin-bottom: 12px;
    color: var(--text-primary);
}

.ai-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* === 技术资讯区 === */
.tech-news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.tech-news-item {
    display: flex;
    gap: 20px;
    padding: 20px;
}

.tech-news-item .news-thumb {
    width: 120px;
    height: 80px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.tech-news-item .news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tech-news-item .news-info h6 {
    margin-bottom: 8px;
    color: var(--text-primary);
    line-height: 1.5;
}

.tech-news-item .news-info p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* === 专家展示区 === */
.expert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.expert-card {
    text-align: center;
    padding: 28px 20px;
}

.expert-card .expert-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    margin: 0 auto 16px;
    background: var(--gradient-card);
    border: 2px solid rgba(108, 60, 224, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-accent);
}

.expert-card h6 {
    margin-bottom: 4px;
    color: var(--text-primary);
}

.expert-card .expert-title {
    font-size: 0.8rem;
    color: var(--text-accent);
    margin-bottom: 10px;
}

.expert-card .expert-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* === 用户口碑区 === */
.review-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.review-card {
    padding: 28px;
}

.review-card .review-stars {
    color: #fbbf24;
    font-size: 1rem;
    margin-bottom: 14px;
    letter-spacing: 2px;
}

.review-card .review-text {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 18px;
    font-style: italic;
}

.review-card .review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.review-card .review-author .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-accent);
}

.review-card .review-author .author-info .name {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
}

.review-card .review-author .author-info .role {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

/* === 视频卡片区 === */
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.video-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    cursor: pointer;
}

.video-card .video-thumb {
    width: 100%;
    height: 200px;
    background: var(--gradient-card);
    position: relative;
    overflow: hidden;
}

.video-card .video-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-card .play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 56px;
    height: 56px;
    background: rgba(108, 60, 224, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 30px rgba(108, 60, 224, 0.5);
}

.video-card .play-btn::after {
    content: '';
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px 0 10px 18px;
    border-color: transparent transparent transparent #fff;
    margin-left: 4px;
}

.video-card:hover .play-btn {
    transform: translate(-50%, -50%) scale(1);
}

.video-card .video-info {
    padding: 16px 20px;
    background: var(--glass-bg);
}

.video-card .video-info h6 {
    color: var(--text-primary);
    margin-bottom: 4px;
}

.video-card .video-info span {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* === 社区动态区 === */
.community-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.community-card {
    padding: 24px;
}

.community-card .community-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.community-card .community-header .comm-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-accent);
}

.community-card .community-header .comm-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.92rem;
}

.community-card .community-header .comm-time {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-left: auto;
}

.community-card .community-body {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.community-card .community-footer {
    display: flex;
    gap: 20px;
    margin-top: 14px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.community-card .community-footer span {
    cursor: pointer;
    transition: color 0.3s ease;
}

.community-card .community-footer span:hover {
    color: var(--text-accent);
}

/* === 分享按钮区 === */
.share-section {
    position: relative;
    z-index: 10;
    padding: 60px 0;
    text-align: center;
}

.share-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    color: var(--text-primary);
}

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

.share-btn.wechat { border-color: rgba(7, 193, 96, 0.3); }
.share-btn.wechat:hover { background: rgba(7, 193, 96, 0.15); color: #07c160; }
.share-btn.weibo { border-color: rgba(230, 22, 45, 0.3); }
.share-btn.weibo:hover { background: rgba(230, 22, 45, 0.15); color: #e6162d; }
.share-btn.douyin { border-color: rgba(254, 44, 85, 0.3); }
.share-btn.douyin:hover { background: rgba(254, 44, 85, 0.15); color: #fe2c55; }
.share-btn.bilibili { border-color: rgba(0, 174, 236, 0.3); }
.share-btn.bilibili:hover { background: rgba(0, 174, 236, 0.15); color: #00aeec; }

/* === 页脚 === */
.site-footer {
    position: relative;
    z-index: 10;
    background: rgba(5, 7, 18, 0.8);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--glass-border);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.footer-brand .footer-logo .logo-icon {
    width: 32px;
    height: 32px;
    background: var(--gradient-btn);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: #fff;
}

.footer-brand p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.footer-col h6 {
    color: var(--text-primary);
    margin-bottom: 16px;
    font-size: 0.95rem;
}

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

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: var(--text-secondary);
    font-size: 0.88rem;
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: var(--text-accent);
}

.footer-contact {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 2;
}

.footer-bottom {
    border-top: 1px solid var(--glass-border);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

/* === 内页通用样式 === */
.page-hero {
    padding: 140px 0 60px;
    position: relative;
    z-index: 10;
    background: radial-gradient(ellipse at 50% 50%, rgba(108, 60, 224, 0.12) 0%, transparent 60%);
}

.page-hero h1 {
    font-size: 2.6rem;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #fff, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-hero p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
}

.content-section {
    position: relative;
    z-index: 10;
    padding: 60px 0;
}

.content-section .article-content {
    max-width: 900px;
    margin: 0 auto;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.content-section .article-content h2,
.content-section .article-content h3,
.content-section .article-content h4,
.content-section .article-content h5 {
    color: var(--text-primary);
    margin: 32px 0 16px;
}

.content-section .article-content p {
    margin-bottom: 20px;
}

.content-section .article-content ul,
.content-section .article-content ol {
    margin: 16px 0;
    padding-left: 24px;
}

.content-section .article-content li {
    margin-bottom: 8px;
}

/* === 三层加密逻辑 SVG 动效 === */
.encryption-layers {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.encrypt-layer {
    text-align: center;
    padding: 32px 24px;
    flex: 1;
    min-width: 220px;
    max-width: 320px;
}

.encrypt-layer .layer-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 16px;
    position: relative;
}

.encrypt-layer .layer-icon svg {
    width: 100%;
    height: 100%;
}

.encrypt-layer h5 {
    color: var(--text-primary);
    margin-bottom: 10px;
}

.encrypt-layer p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* === 交互式步骤条 === */
.step-bar {
    display: flex;
    justify-content: center;
    gap: 0;
    margin: 40px 0 32px;
    position: relative;
}

.step-bar::before {
    content: '';
    position: absolute;
    top: 24px;
    left: 15%;
    right: 15%;
    height: 2px;
    background: var(--glass-border);
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.step-item .step-num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    transition: all 0.4s ease;
}

.step-item.active .step-num {
    background: var(--gradient-btn);
    border-color: var(--aurora-purple);
    color: #fff;
    box-shadow: 0 0 20px rgba(108, 60, 224, 0.5);
}

.step-item .step-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: color 0.3s ease;
    white-space: nowrap;
}

.step-item.active .step-label {
    color: var(--text-accent);
    font-weight: 600;
}

.step-content {
    display: none;
    padding: 32px;
    animation: fadeIn 0.5s ease;
}

.step-content.active {
    display: block;
}

/* === 市场行情表格 === */
.market-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
}

.market-table th {
    padding: 14px 16px;
    text-align: left;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--glass-border);
    font-weight: 600;
}

.market-table td {
    padding: 14px 16px;
    font-size: 0.92rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.market-table tr:hover {
    background: rgba(108, 60, 224, 0.05);
}

.market-table .coin-name {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.market-table .coin-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gradient-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
}

.market-table .up { color: var(--aurora-green); }
.market-table .down { color: #ef4444; }

/* === 论坛帖子 === */
.forum-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.forum-post {
    padding: 24px;
    display: flex;
    gap: 16px;
}

.forum-post .post-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-accent);
    flex-shrink: 0;
}

.forum-post .post-content h5 {
    margin-bottom: 8px;
    color: var(--text-primary);
}

.forum-post .post-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 10px;
}

.forum-post .post-meta {
    display: flex;
    gap: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.forum-post .post-meta span {
    cursor: pointer;
}

.forum-post .post-meta span:hover {
    color: var(--text-accent);
}

/* === 标签云 === */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 24px 0;
}

.tag-cloud .tag {
    padding: 6px 16px;
    background: rgba(108, 60, 224, 0.1);
    border: 1px solid rgba(108, 60, 224, 0.2);
    border-radius: 20px;
    font-size: 0.82rem;
    color: var(--text-accent);
    cursor: pointer;
    transition: all 0.3s ease;
}

.tag-cloud .tag:hover {
    background: rgba(108, 60, 224, 0.25);
    transform: translateY(-2px);
}

/* === 动画 === */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes countUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(108, 60, 224, 0.3); }
    50% { box-shadow: 0 0 40px rgba(108, 60, 224, 0.6); }
}

/* 纯CSS科技图标 */
.css-icon-shield {
    width: 40px;
    height: 40px;
    position: relative;
}

.css-icon-shield::before {
    content: '';
    position: absolute;
    width: 30px;
    height: 36px;
    border: 3px solid var(--aurora-purple);
    border-radius: 0 0 15px 15px;
    top: 2px;
    left: 5px;
}

.css-icon-shield::after {
    content: '✓';
    position: absolute;
    top: 10px;
    left: 13px;
    font-size: 16px;
    color: var(--aurora-green);
    font-weight: bold;
}

.css-icon-lock {
    width: 40px;
    height: 40px;
    position: relative;
}

.css-icon-lock::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 14px;
    border: 3px solid var(--aurora-cyan);
    border-radius: 10px 10px 0 0;
    border-bottom: none;
    top: 4px;
    left: 10px;
}

.css-icon-lock::after {
    content: '';
    position: absolute;
    width: 26px;
    height: 18px;
    background: var(--aurora-cyan);
    border-radius: 4px;
    top: 18px;
    left: 7px;
}

.css-icon-chip {
    width: 40px;
    height: 40px;
    position: relative;
}

.css-icon-chip::before {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    border: 3px solid var(--aurora-blue);
    border-radius: 4px;
    top: 8px;
    left: 8px;
}

.css-icon-chip::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--aurora-blue);
    border-radius: 50%;
    top: 17px;
    left: 17px;
}

/* === 懒加载 === */
.lazy-load {
    opacity: 0;
    transition: opacity 0.6s ease;
}

.lazy-load.loaded {
    opacity: 1;
}

/* === 响应式布局 === */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-text .hero-keywords {
        justify-content: center;
    }

    .hero-btns {
        justify-content: center;
    }

    .hero-visual img {
        max-width: 320px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .news-grid,
    .ai-grid,
    .review-grid,
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .expert-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    html { font-size: 15px; }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }
    h3 { font-size: 1.3rem; }

    .mobile-toggle {
        display: flex;
    }

    .main-nav {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--glass-border);
        gap: 4px;
    }

    .main-nav.open {
        display: flex;
    }

    .main-nav a {
        padding: 12px 16px;
        width: 100%;
    }

    .hero-section {
        padding: 100px 0 40px;
        min-height: auto;
    }

    .hero-text h1 {
        font-size: 2.2rem;
    }

    .hero-visual img {
        max-width: 260px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .stat-item .stat-number {
        font-size: 1.8rem;
    }

    .news-grid,
    .ai-grid,
    .review-grid,
    .video-grid,
    .tech-news-grid,
    .community-grid {
        grid-template-columns: 1fr;
    }

    .expert-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-side {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .dashboard-side .metric-card {
        flex: 1;
        min-width: 140px;
    }

    .price-display .price-value {
        font-size: 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .encryption-layers {
        flex-direction: column;
        align-items: center;
    }

    .step-bar {
        flex-wrap: wrap;
        gap: 8px;
    }

    .step-item {
        padding: 0 12px;
    }

    .share-btns {
        gap: 10px;
    }

    .share-btn {
        padding: 10px 18px;
        font-size: 0.82rem;
    }

    .section-block {
        padding: 50px 0;
    }

    .tech-news-item {
        flex-direction: column;
    }

    .tech-news-item .news-thumb {
        width: 100%;
        height: 160px;
    }
}

@media (max-width: 480px) {
    html { font-size: 14px; }

    .container {
        padding: 0 16px;
    }

    .hero-text h1 {
        font-size: 1.8rem;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .expert-grid {
        grid-template-columns: 1fr;
    }

    .step-bar::before {
        display: none;
    }

    .glass-card {
        padding: 20px;
    }
}

/* === 打印样式 === */
@media print {
    body {
        background: #fff;
        color: #000;
    }

    .site-header,
    .search-bar,
    #particles-canvas,
    .share-section {
        display: none;
    }
}