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

/* === Google Fonts & Base Reset === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');

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

:root {
    --deep-space: #0a0e27;
    --aurora-purple: #6c3ce0;
    --aurora-blue: #3b82f6;
    --neon-cyan: #00f5d4;
    --neon-green: #00e676;
    --accent-gold: #ffd700;
    --card-bg: rgba(15, 20, 50, 0.6);
    --card-border: rgba(108, 60, 224, 0.3);
    --text-primary: #f0f0ff;
    --text-secondary: rgba(240, 240, 255, 0.7);
    --text-muted: rgba(240, 240, 255, 0.45);
    --gradient-main: linear-gradient(135deg, #0a0e27 0%, #1a1040 30%, #2d1b69 60%, #6c3ce0 100%);
    --gradient-card: linear-gradient(135deg, rgba(108,60,224,0.15) 0%, rgba(59,130,246,0.1) 100%);
    --gradient-accent: linear-gradient(90deg, #6c3ce0, #3b82f6, #00f5d4);
    --glass-bg: rgba(15, 20, 50, 0.55);
    --glass-border: rgba(108, 60, 224, 0.25);
    --blur-amount: 12px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --shadow-glow: 0 0 30px rgba(108, 60, 224, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: 'Inter', 'Noto Sans SC', 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--deep-space);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

/* === 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 === */
.grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(108, 60, 224, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(108, 60, 224, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
    pointer-events: none;
}

/* === 主容器 === */
.page-wrapper {
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

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

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: -0.02em;
}

.brand-logo .logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 900;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.brand-logo .logo-icon::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.15) 50%, transparent 60%);
    animation: logoShine 3s infinite;
}

@keyframes logoShine {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

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

.main-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

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

.main-nav a.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--gradient-accent);
    border-radius: 1px;
}

.nav-cta {
    background: linear-gradient(135deg, var(--aurora-purple), var(--aurora-blue)) !important;
    color: #fff !important;
    padding: 8px 20px !important;
    border-radius: 20px !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 15px rgba(108, 60, 224, 0.4);
    transition: transform 0.2s, box-shadow 0.2s !important;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(108, 60, 224, 0.6) !important;
    background: linear-gradient(135deg, var(--aurora-purple), var(--aurora-blue)) !important;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 5px 0;
    transition: var(--transition-fast);
    border-radius: 1px;
}

/* === 搜索栏 === */
.search-bar-wrapper {
    background: rgba(10, 14, 39, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(108, 60, 224, 0.1);
    padding: 10px 0;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    z-index: 999;
}

.search-bar-inner {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
}

.search-bar-inner input {
    width: 100%;
    padding: 10px 20px 10px 44px;
    background: rgba(108, 60, 224, 0.1);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-fast);
    font-family: inherit;
}

.search-bar-inner input::placeholder {
    color: var(--text-muted);
}

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

.search-bar-inner .search-icon {
    position: absolute;
    left: 40px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.search-result-hint {
    display: none;
    position: absolute;
    top: 100%;
    left: 24px;
    right: 24px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin-top: 8px;
    color: var(--neon-cyan);
    font-size: 0.85rem;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* === 面包屑导航 === */
.breadcrumb {
    max-width: 1400px;
    margin: 0 auto;
    padding: 130px 24px 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--neon-cyan);
}

.breadcrumb span {
    margin: 0 8px;
    color: var(--text-muted);
}

/* === Hero 区域 === */
.hero-section {
    padding: 160px 24px 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(108, 60, 224, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-inner {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(108, 60, 224, 0.15);
    border: 1px solid rgba(108, 60, 224, 0.3);
    border-radius: 24px;
    padding: 6px 18px;
    font-size: 0.8rem;
    color: var(--neon-cyan);
    margin-bottom: 24px;
    animation: fadeInDown 0.6s ease;
}

.hero-badge .dot {
    width: 6px;
    height: 6px;
    background: var(--neon-green);
    border-radius: 50%;
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero-section h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 0%, #c4b5fd 50%, #00f5d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease;
}

.hero-section .hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 36px;
    line-height: 1.8;
    animation: fadeInUp 1s ease;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1.2s ease;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--aurora-purple), var(--aurora-blue));
    color: #fff;
    border: none;
    border-radius: 28px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 20px rgba(108, 60, 224, 0.4);
    font-family: inherit;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 60, 224, 0.6);
}

.btn-secondary {
    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: 28px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-fast);
    backdrop-filter: blur(10px);
    font-family: inherit;
}

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

/* === 统计数据条 === */
.stats-bar {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
    padding: 40px 24px 60px;
    max-width: 1000px;
    margin: 0 auto;
}

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

.stat-number {
    font-size: 2.4rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

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

.section-title h2 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.section-title .subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--neon-cyan);
    margin-bottom: 12px;
}

/* === 内容区域 === */
.content-section {
    padding: 80px 24px;
    max-width: 1400px;
    margin: 0 auto;
}

/* === 磨砂玻璃卡片 === */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(108, 60, 224, 0.5), transparent);
}

.glass-card:hover {
    border-color: rgba(108, 60, 224, 0.5);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

/* === 卡片网格 === */
.card-grid {
    display: grid;
    gap: 24px;
}

.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* === 安全动态卡片 === */
.news-card {
    padding: 24px;
}

.news-card .card-tag {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(108, 60, 224, 0.2);
    border-radius: 12px;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--neon-cyan);
    margin-bottom: 12px;
}

.news-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.5;
    color: var(--text-primary);
}

.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;
    align-items: center;
    justify-content: space-between;
    margin-top: 16px;
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* === 仪表盘区域 === */
.dashboard-section {
    padding: 80px 24px;
    max-width: 1400px;
    margin: 0 auto;
}

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

.dashboard-card {
    padding: 28px;
}

.dashboard-card .metric-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.dashboard-card .metric-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
    font-variant-numeric: tabular-nums;
}

.dashboard-card .metric-change {
    font-size: 0.82rem;
    font-weight: 600;
}

.metric-change.up { color: var(--neon-green); }
.metric-change.down { color: #ff4757; }

.dashboard-card .metric-bar {
    margin-top: 16px;
    height: 4px;
    background: rgba(108, 60, 224, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.metric-bar .bar-fill {
    height: 100%;
    border-radius: 2px;
    background: var(--gradient-accent);
    transition: width 2s ease;
}

/* === 大仪表盘 === */
.dashboard-main {
    grid-column: 1 / -1;
    padding: 40px;
}

.dashboard-main .chart-area {
    height: 200px;
    background: linear-gradient(180deg, rgba(108, 60, 224, 0.1) 0%, transparent 100%);
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
    margin-top: 20px;
}

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

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

/* === 技术特性区 === */
.feature-card {
    text-align: center;
    padding: 40px 24px;
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(108, 60, 224, 0.2), rgba(59, 130, 246, 0.2));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    position: relative;
}

.feature-icon::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 22px;
    background: var(--gradient-accent);
    z-index: -1;
    opacity: 0;
    transition: var(--transition-normal);
}

.feature-card:hover .feature-icon::after {
    opacity: 0.3;
}

.feature-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
}

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

/* === CSS 科技图标 === */
.tech-icon {
    position: relative;
    display: inline-block;
}

.icon-shield {
    width: 32px;
    height: 36px;
    background: linear-gradient(135deg, var(--aurora-purple), var(--aurora-blue));
    clip-path: polygon(50% 0%, 100% 15%, 100% 65%, 50% 100%, 0% 65%, 0% 15%);
}

.icon-chip {
    width: 32px;
    height: 32px;
    border: 2px solid var(--neon-cyan);
    border-radius: 6px;
    position: relative;
}

.icon-chip::before,
.icon-chip::after {
    content: '';
    position: absolute;
    background: var(--neon-cyan);
}

.icon-chip::before {
    width: 4px;
    height: 8px;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: -10px 0 0 var(--neon-cyan), 10px 0 0 var(--neon-cyan),
                -10px 42px 0 var(--neon-cyan), 0 42px 0 var(--neon-cyan), 10px 42px 0 var(--neon-cyan);
}

.icon-lock {
    width: 24px;
    height: 20px;
    border: 3px solid var(--accent-gold);
    border-radius: 4px;
    position: relative;
    margin-top: 12px;
}

.icon-lock::before {
    content: '';
    position: absolute;
    width: 14px;
    height: 12px;
    border: 3px solid var(--accent-gold);
    border-bottom: none;
    border-radius: 10px 10px 0 0;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
}

.icon-blockchain {
    display: grid;
    grid-template-columns: repeat(3, 8px);
    gap: 4px;
}

.icon-blockchain span {
    width: 8px;
    height: 8px;
    background: var(--neon-cyan);
    border-radius: 2px;
    opacity: 0.7;
}

.icon-blockchain span:nth-child(2),
.icon-blockchain span:nth-child(4),
.icon-blockchain span:nth-child(6),
.icon-blockchain span:nth-child(8) {
    opacity: 1;
    background: var(--aurora-purple);
}

/* === AI 赋能区 === */
.ai-section {
    background: linear-gradient(180deg, rgba(108, 60, 224, 0.05) 0%, transparent 100%);
    border-radius: var(--radius-xl);
    padding: 60px 40px;
    margin: 40px 0;
    border: 1px solid rgba(108, 60, 224, 0.1);
}

.ai-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 40px;
}

.ai-card {
    text-align: center;
    padding: 32px 20px;
}

.ai-card .ai-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(108, 60, 224, 0.3), rgba(0, 245, 212, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.ai-card .ai-icon::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: conic-gradient(var(--aurora-purple), var(--neon-cyan), var(--aurora-blue), var(--aurora-purple));
    z-index: -1;
    animation: rotate 4s linear infinite;
}

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

.ai-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
}

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

/* === 视频卡片 === */
.video-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #1a1040, #2d1b69);
}

.video-card .video-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.video-card .play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 64px;
    height: 64px;
    background: rgba(108, 60, 224, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
    backdrop-filter: blur(10px);
}

.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:hover .video-thumb {
    transform: scale(1.05);
}

.video-card .video-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(transparent, rgba(10, 14, 39, 0.9));
}

.video-card .video-info h5 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.video-card .video-info span {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* === 专家展示 === */
.expert-card {
    text-align: center;
    padding: 32px 20px;
}

.expert-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--aurora-purple), var(--aurora-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 800;
    color: #fff;
    border: 2px solid rgba(108, 60, 224, 0.5);
}

.expert-card h5 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

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

.expert-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* === 用户口碑 === */
.review-card {
    padding: 28px;
}

.review-card .stars {
    color: var(--accent-gold);
    font-size: 0.9rem;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.review-card blockquote {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 16px;
    border-left: 2px solid var(--aurora-purple);
    padding-left: 16px;
}

.review-card .reviewer {
    display: flex;
    align-items: center;
    gap: 10px;
}

.review-card .reviewer-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: #fff;
}

.review-card .reviewer-name {
    font-size: 0.85rem;
    font-weight: 600;
}

.review-card .reviewer-date {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* === 社交分享 === */
.share-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 24px;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    color: #fff;
    transition: var(--transition-fast);
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.share-btn.wechat { background: #07c160; }
.share-btn.weibo { background: #e6162d; }
.share-btn.douyin { background: #161823; border: 1px solid #333; }
.share-btn.bilibili { background: #00a1d6; }

/* === 三层加密逻辑 (security页面) === */
.encryption-layers {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin: 40px 0;
}

.encryption-layer {
    display: flex;
    align-items: center;
    gap: 32px;
    padding: 32px;
}

.layer-number {
    width: 60px;
    height: 60px;
    min-width: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--aurora-purple), var(--aurora-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
}

.layer-content h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.layer-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* === SVG 动效容器 === */
.svg-animation-container {
    width: 100%;
    max-width: 800px;
    margin: 40px auto;
    padding: 40px;
    text-align: center;
}

/* === 交互式步骤条 (guide页面) === */
.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: rgba(108, 60, 224, 0.3);
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 0 24px;
    position: relative;
    z-index: 1;
    transition: var(--transition-fast);
}

.step-item .step-num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(108, 60, 224, 0.2);
    border: 2px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    transition: var(--transition-normal);
}

.step-item.active .step-num {
    background: linear-gradient(135deg, var(--aurora-purple), var(--aurora-blue));
    border-color: var(--aurora-purple);
    box-shadow: 0 0 20px rgba(108, 60, 224, 0.5);
}

.step-item .step-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
    white-space: nowrap;
}

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

.step-content {
    display: none;
    animation: fadeInUp 0.4s ease;
}

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

/* === 论坛帖子 === */
.forum-post {
    padding: 24px;
    margin-bottom: 16px;
}

.forum-post .post-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.forum-post .post-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: #fff;
}

.forum-post .post-meta .post-author {
    font-weight: 600;
    font-size: 0.9rem;
}

.forum-post .post-meta .post-time {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.forum-post .post-body {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

.forum-post .post-actions {
    display: flex;
    gap: 20px;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.forum-post .post-actions span {
    cursor: pointer;
    transition: var(--transition-fast);
}

.forum-post .post-actions span:hover {
    color: var(--neon-cyan);
}

/* === 页脚 === */
.site-footer {
    background: rgba(5, 8, 20, 0.9);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    padding: 60px 24px 24px;
    margin-top: 80px;
}

.footer-inner {
    max-width: 1400px;
    margin: 0 auto;
}

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

.footer-brand .brand-logo {
    margin-bottom: 16px;
}

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

.footer-col h5 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-col a {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 4px 0;
    transition: var(--transition-fast);
}

.footer-col a:hover {
    color: var(--neon-cyan);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(108, 60, 224, 0.15);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-bottom a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-bottom a:hover {
    color: var(--neon-cyan);
}

/* === 动画 === */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes countUp {
    from { opacity: 0; transform: scale(0.5); }
    to { opacity: 1; transform: scale(1); }
}

/* 懒加载淡入 */
.lazy-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.lazy-section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === 内页通用 === */
.page-hero {
    padding: 140px 24px 60px;
    text-align: center;
    position: relative;
}

.page-hero h1 {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #fff, #c4b5fd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-hero .page-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* 文章内容 */
.article-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 24px;
}

.article-content h2 {
    font-size: 1.6rem;
    font-weight: 800;
    margin: 48px 0 16px;
    color: var(--text-primary);
}

.article-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 32px 0 12px;
    color: var(--text-primary);
}

.article-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 24px 0 10px;
    color: var(--text-primary);
}

.article-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

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

.article-content li {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 6px;
}

.article-content .highlight-box {
    background: rgba(108, 60, 224, 0.1);
    border: 1px solid rgba(108, 60, 224, 0.2);
    border-radius: var(--radius-md);
    padding: 24px;
    margin: 24px 0;
}

.article-content .highlight-box h5 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--neon-cyan);
    margin-bottom: 8px;
}

/* === 市场数据表格 === */
.market-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
}

.market-table th {
    text-align: left;
    padding: 12px 16px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--glass-border);
}

.market-table td {
    padding: 14px 16px;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(108, 60, 224, 0.1);
}

.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: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 800;
    color: #fff;
}

.price-up { color: var(--neon-green); }
.price-down { color: #ff4757; }

/* === 响应式布局 === */
@media (max-width: 1200px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }
    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 1024px) {
    .card-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .dashboard-grid {
        grid-template-columns: 1fr 1fr;
    }
    .ai-feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-inner {
        height: 60px;
    }

    .main-nav {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(10, 14, 39, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--glass-border);
        gap: 4px;
    }

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

    .mobile-menu-btn {
        display: block;
    }

    .search-bar-wrapper {
        top: 60px;
    }

    .hero-section {
        padding: 130px 20px 60px;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .stats-bar {
        gap: 24px;
    }

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

    .card-grid-2,
    .card-grid-3,
    .card-grid-4 {
        grid-template-columns: 1fr;
    }

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

    .ai-feature-grid {
        grid-template-columns: 1fr;
    }

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

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

    .encryption-layer {
        flex-direction: column;
        text-align: center;
    }

    .step-bar {
        flex-wrap: wrap;
        gap: 12px;
    }

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

    .breadcrumb {
        padding-top: 110px;
    }

    .content-section {
        padding: 60px 16px;
    }

    .ai-section {
        padding: 40px 20px;
    }

    .glass-card {
        padding: 24px;
    }
}

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

    .hero-section h1 {
        font-size: 1.75rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
    }

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

    .share-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .share-btn {
        justify-content: center;
    }

    .step-bar {
        flex-direction: column;
        align-items: center;
    }

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

/* === 打印样式 === */
@media print {
    .site-header, .search-bar-wrapper, #particles-canvas, .grid-bg {
        display: none;
    }
    body {
        background: #fff;
        color: #333;
    }
    .glass-card {
        background: #f5f5f5;
        border: 1px solid #ddd;
    }
}