:root {
  --bg-primary: #000000;
  --bg-secondary: #050808;
  --bg-card: rgba(8, 15, 15, 0.82);
  --bg-card-hover: rgba(12, 24, 24, 0.95);
  --border-color: rgba(6, 182, 212, 0.22);
  --border-glow: rgba(16, 185, 129, 0.45);
  --text-main: #f0fdf4;
  --text-muted: #94a3b8;
  --text-dim: #94a3b8;
  --accent-green: #10b981; /* 瀑布绿 */
  --accent-cyan: #06b6d4;  /* 洪流青 */
  --accent-blue: #06b6d4;
  --accent-purple: #10b981;
  --accent-gradient: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  --btn-gradient: transparent;
  --btn-gradient-hover: #06b6d4;
  --success: #10b981;
  --warning: #f59e0b;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", Consolas, "Courier New", monospace;
  --radius-sm: 4px;
  --radius-md: 4px;
  --radius-lg: 6px;
  --transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

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

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

/* 锚点滚动距离预留（防止固定导航遮挡标题） */
section[id],
div[id],
h2[id],
h3[id],
main[id] {
  scroll-margin-top: 90px;
}

/* 键盘聚焦可见轮廓高亮 */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
}

/* 无障碍跳转到主要内容 (Skip Link) */
.skip-link {
  position: absolute;
  top: -9999px;
  left: 16px;
  background: #000000;
  color: #10b981;
  border: 2px solid #06b6d4;
  padding: 12px 20px;
  font-weight: 700;
  font-size: 1rem;
  z-index: 99999;
  border-radius: var(--radius-sm);
  text-decoration: none;
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.6);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
  outline: none;
}


body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  /* 科技网格 + 极光数据流环境背景 */
  background-image: 
    radial-gradient(ellipse at 50% 0%, rgba(16, 185, 129, 0.18) 0%, transparent 65%),
    radial-gradient(ellipse at 85% 35%, rgba(6, 182, 212, 0.14) 0%, transparent 55%),
    radial-gradient(ellipse at 15% 75%, rgba(16, 185, 129, 0.12) 0%, transparent 60%),
    linear-gradient(to right, rgba(6, 182, 212, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(6, 182, 212, 0.07) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 100% 100%, 48px 48px, 48px 48px;
  background-attachment: fixed;
}

/* 全屏动态数据瀑布雨 Canvas 画布 */
#matrix-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.32;
}

/* 叠加全屏 CRT / 扫描线科技纹理（清晰可见的青绿光栅扫描线） */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(
    rgba(0, 0, 0, 0) 50%, 
    rgba(6, 182, 212, 0.08) 50%
  );
  background-size: 100% 4px;
  pointer-events: none;
  z-index: 998;
  opacity: 0.85;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

/* 顶部导航 */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background-color: rgba(0, 0, 0, 0.92);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  font-family: var(--font-mono);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-gradient);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.45);
}

.logo-icon svg {
  width: 20px;
  height: 20px;
  fill: #000;
}

.logo-text {
  color: var(--accent-green);
  text-shadow: 0 0 10px rgba(16, 185, 129, 0.6);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--accent-cyan);
  text-shadow: 0 0 8px rgba(6, 182, 212, 0.5);
}

.nav-wiki-highlight {
  position: relative;
  color: var(--accent-cyan) !important;
  font-weight: 700 !important;
}

.nav-wiki-highlight::after {
  content: "NEW";
  position: absolute;
  top: -8px;
  right: -24px;
  background: var(--accent-green);
  color: #000;
  font-size: 0.62rem;
  font-weight: 800;
  padding: 1px 5px;
  border-radius: 2px;
  line-height: 1;
}

/* CTA 按钮规范：青色描边（无填充），hover 填充青色 + 文字变黑，圆角 4px */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 4px;
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid var(--accent-cyan);
  background: transparent;
  color: var(--accent-cyan);
  text-align: center;
  white-space: nowrap;
  font-family: var(--font-mono);
}

.btn:hover,
.btn-primary:hover {
  background: var(--accent-cyan);
  color: #000000;
  transform: translateY(-2px);
  box-shadow: 0 0 18px rgba(6, 182, 212, 0.7);
}

.btn-primary {
  border: 1px solid var(--accent-cyan);
  background: transparent;
  color: var(--accent-cyan);
  border-radius: 4px;
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.25);
}

.btn-outline {
  background: transparent;
  color: var(--accent-green);
  border: 1px solid var(--accent-green);
  border-radius: 4px;
}

.btn-outline:hover {
  background: var(--accent-green);
  color: #000000;
  box-shadow: 0 0 18px rgba(16, 185, 129, 0.7);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1.02rem;
}

.btn-block {
  width: 100%;
}

/* 主视觉区 (Hero: 左侧 H1 web3加速 JetBrains Mono 发光 + 右侧 340px 终端数据瀑布) */
.hero-section {
  padding: 70px 0 50px;
  position: relative;
}

.hero-grid-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 45px;
}

.hero-left {
  flex: 1;
  text-align: left;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: 4px;
  color: #a7f3d0;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
  font-family: var(--font-mono);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* H1 大标题：JetBrains Mono 等宽字体，绿色发光文字阴影 */
.hero-title {
  font-family: var(--font-mono);
  font-size: 2.85rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.5px;
  color: var(--accent-green);
  text-shadow: 0 0 12px rgba(16, 185, 129, 0.8), 0 0 28px rgba(16, 185, 129, 0.45);
  margin-bottom: 18px;
}

.hero-title-sub {
  color: #fff;
  font-size: 1.6rem;
  display: block;
  font-weight: 700;
  margin-top: 6px;
  text-shadow: none;
}

.gradient-text {
  color: var(--accent-green);
  text-shadow: 0 0 14px rgba(16, 185, 129, 0.7);
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 30px;
  max-width: 650px;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* 右侧动画：340px 宽终端窗口 */
.hero-terminal-box {
  width: 340px;
  height: 290px;
  background: rgba(0, 0, 0, 0.9);
  border: 1px solid rgba(6, 182, 212, 0.5);
  border-radius: 6px;
  box-shadow: 0 0 25px rgba(6, 182, 212, 0.25), inset 0 0 15px rgba(16, 185, 129, 0.15);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.terminal-header {
  height: 32px;
  background: rgba(10, 18, 18, 0.95);
  border-bottom: 1px solid rgba(6, 182, 212, 0.3);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 6px;
}

.term-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.term-dot.red { background: #ef4444; }
.term-dot.yellow { background: #f59e0b; }
.term-dot.green { background: #10b981; }

.term-title {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-cyan);
  letter-spacing: 0.5px;
}

/* 窗口内部：背景层 14 列数据瀑布流 (每列 20 个字符，2-7 秒下落，30% 青色高亮) */
.terminal-content {
  flex: 1;
  position: relative;
  overflow: hidden;
}

.matrix-rain-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 13px;
  opacity: 0.65;
  user-select: none;
  pointer-events: none;
}

.rain-col {
  display: flex;
  flex-direction: column;
  white-space: pre;
  color: var(--accent-green);
  text-shadow: 0 0 4px rgba(16, 185, 129, 0.8);
  animation: rainDrop 3s infinite linear;
}

/* 30% 概率为青色高亮列 */
.rain-col.cyan {
  color: var(--accent-cyan);
  text-shadow: 0 0 6px rgba(6, 182, 212, 0.9);
}

@keyframes rainDrop {
  0% { transform: translateY(-60%); }
  100% { transform: translateY(10%); }
}

.rain-col:nth-child(1)  { animation-duration: 2.2s; animation-delay: 0.1s; }
.rain-col:nth-child(2)  { animation-duration: 4.8s; animation-delay: 0.6s; }
.rain-col:nth-child(3)  { animation-duration: 3.1s; animation-delay: 0.2s; } /* cyan */
.rain-col:nth-child(4)  { animation-duration: 6.2s; animation-delay: 0.8s; }
.rain-col:nth-child(5)  { animation-duration: 2.9s; animation-delay: 0.3s; }
.rain-col:nth-child(6)  { animation-duration: 5.5s; animation-delay: 0.4s; }
.rain-col:nth-child(7)  { animation-duration: 3.7s; animation-delay: 0.7s; } /* cyan */
.rain-col:nth-child(8)  { animation-duration: 6.8s; animation-delay: 0.2s; }
.rain-col:nth-child(9)  { animation-duration: 2.5s; animation-delay: 0.5s; }
.rain-col:nth-child(10) { animation-duration: 4.2s; animation-delay: 0.9s; }
.rain-col:nth-child(11) { animation-duration: 3.4s; animation-delay: 0.1s; } /* cyan */
.rain-col:nth-child(12) { animation-duration: 5.9s; animation-delay: 0.6s; }
.rain-col:nth-child(13) { animation-duration: 2.7s; animation-delay: 0.3s; }
.rain-col:nth-child(14) { animation-duration: 4.5s; animation-delay: 0.8s; } /* cyan */

/* 前景层：半透明叠加终端文本 */
.terminal-foreground {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.68);
  backdrop-filter: blur(1px);
  padding: 16px 14px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #e2e8f0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  line-height: 1.45;
}

.term-line {
  display: flex;
  align-items: center;
  gap: 6px;
}

.term-prompt {
  color: var(--accent-green);
  font-weight: 700;
}

.term-val-cyan {
  color: var(--accent-cyan);
  font-weight: 600;
}

.term-val-green {
  color: var(--accent-green);
  font-weight: 600;
}

.term-cursor {
  display: inline-block;
  width: 7px;
  height: 13px;
  background: var(--accent-cyan);
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* 核心 SLA 统计栏 */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 22px 24px;
  background: rgba(6, 12, 12, 0.7);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.stat-item h3 {
  font-family: var(--font-mono);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--accent-green);
  margin-bottom: 4px;
  text-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

.stat-item p {
  font-size: 0.86rem;
  color: var(--text-muted);
}

/* 区块公共样式 */
.section-wrap {
  padding: 85px 0;
}

.section-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 52px;
}

.section-tag {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.82rem;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
  display: block;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* 核心优势卡片 (3 Cards) */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 36px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
  box-shadow: 0 0 25px rgba(6, 182, 212, 0.2);
}

.feature-icon-box {
  width: 54px;
  height: 54px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.feature-icon-box svg {
  width: 26px;
  height: 26px;
  fill: var(--accent-green);
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  font-weight: 700;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* 流媒体与 AI 支持图卡 */
.media-ai-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.media-ai-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 36px;
  position: relative;
  transition: var(--transition);
}

.media-ai-card:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.2);
}

.media-ai-card h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.media-ai-card p {
  color: var(--text-muted);
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.chips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.chip-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 12px 14px;
  font-size: 0.92rem;
  font-weight: 600;
  transition: var(--transition);
}

.chip-item:hover {
  background: rgba(6, 182, 212, 0.08);
  border-color: var(--accent-cyan);
}

.chip-logo {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  background: #0d1515;
}

.chip-logo svg {
  width: 18px;
  height: 18px;
}

.chip-tag {
  margin-left: auto;
  font-size: 0.72rem;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.12);
  padding: 2px 6px;
  border-radius: 2px;
  font-family: var(--font-mono);
}

/* 套餐价格对比 */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 38px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.pricing-card.popular {
  background: rgba(10, 20, 20, 0.95);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 30px rgba(6, 182, 212, 0.25);
  transform: scale(1.03);
}

.pricing-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
}

.pricing-card.popular:hover {
  transform: scale(1.03) translateY(-4px);
}

.popular-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gradient);
  color: #000;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 3px 16px;
  border-radius: 4px;
  font-family: var(--font-mono);
}

.plan-name {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.plan-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 22px;
}

.price-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 26px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  font-family: var(--font-mono);
}

.price-currency {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-green);
}

.price-num {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1;
  color: #fff;
}

.price-cycle {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.plan-features {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.plan-features li.active {
  color: var(--text-main);
}

.plan-features svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  fill: var(--accent-green);
}

/* 用户评价 */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.review-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
}

.review-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  color: var(--accent-green);
}

.review-stars svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.review-content {
  font-size: 0.95rem;
  color: #cbd5e1;
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
}

.reviewer-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.reviewer-avatar {
  width: 44px;
  height: 44px;
  border-radius: 4px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #000;
  font-size: 1rem;
  font-family: var(--font-mono);
}

.reviewer-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
}

.reviewer-info p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* 常见问题解答 (FAQ) */
.faq-list {
  max-width: 850px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item[open] {
  border-color: var(--accent-cyan);
  background: var(--bg-card-hover);
}

.faq-question {
  padding: 18px 22px;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-icon {
  width: 20px;
  height: 20px;
  transition: transform 0.22s ease;
  fill: var(--text-muted);
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
  fill: var(--accent-cyan);
}

.faq-answer {
  padding: 0 22px 20px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 14px;
}

.faq-answer a {
  color: var(--accent-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* 底部 CTA 条 */
.bottom-cta-banner {
  margin: 60px 0 0;
  padding: 55px 30px;
  background: rgba(6, 18, 18, 0.85);
  border: 1px solid var(--accent-cyan);
  border-radius: 4px;
  box-shadow: 0 0 30px rgba(6, 182, 212, 0.18);
  text-align: center;
}

.bottom-cta-banner h2 {
  font-size: 2.2rem;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  color: var(--accent-green);
}

.bottom-cta-banner p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto 28px;
}

/* 页脚 (只保留四个指定标题，新窗口打开) */
.footer {
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  padding: 45px 0 35px;
  margin-top: 60px;
}

.footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 36px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.footer-link {
  color: #cbd5e1;
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
  padding: 6px 10px;
}

.footer-link:hover {
  color: var(--accent-cyan);
  text-shadow: 0 0 8px rgba(6, 182, 212, 0.5);
  text-decoration: underline;
  text-underline-offset: 6px;
}

.footer-copyright {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* 文章与博客排版样式 */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 30px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.article-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.25);
}

.article-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.12);
  padding: 3px 10px;
  border-radius: 2px;
  margin-bottom: 12px;
  align-self: flex-start;
  font-family: var(--font-mono);
}

.article-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 12px;
  color: #fff;
}

.article-card-title a {
  color: inherit;
  transition: var(--transition);
}

.article-card-title a:hover {
  color: var(--accent-cyan);
}

.article-card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.article-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-dim);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 14px;
  font-family: var(--font-mono);
}

.article-detail-wrap {
  max-width: 860px;
  margin: 0 auto 60px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  font-family: var(--font-mono);
}

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

.breadcrumb a:hover {
  text-decoration: underline;
}

.article-detail-header {
  margin-bottom: 30px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 24px;
}

.article-detail-title {
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  color: var(--accent-green);
}

.article-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.article-body {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 40px;
  line-height: 1.85;
  font-size: 1rem;
  color: #cbd5e1;
}

.article-body h2 {
  font-size: 1.45rem;
  color: var(--accent-cyan);
  margin: 32px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(6, 182, 212, 0.15);
  font-family: var(--font-mono);
}

.article-body h3 {
  font-size: 1.2rem;
  color: #e2e8f0;
  margin: 22px 0 10px;
}

.article-body p {
  margin-bottom: 16px;
}

.article-body ul, .article-body ol {
  margin: 0 0 20px 24px;
}

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

.article-body strong {
  color: #fff;
}

.article-body a {
  color: var(--accent-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.article-cta-box {
  background: rgba(6, 18, 18, 0.9);
  border: 1px solid var(--accent-cyan);
  border-radius: 4px;
  padding: 24px;
  margin: 36px 0 20px;
  text-align: center;
}

.article-cta-box h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
  color: var(--accent-green);
  font-family: var(--font-mono);
}

.article-cta-box p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 16px;
}

/* 独立子页面样式 (关于我们/条款/隐私/网站地图) */
.subpage-header {
  padding: 50px 0 30px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 40px;
}

.subpage-title {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--accent-green);
  font-family: var(--font-mono);
}

.subpage-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.subpage-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 40px;
  line-height: 1.8;
  margin-bottom: 60px;
}

.subpage-content h2 {
  font-size: 1.5rem;
  margin: 32px 0 14px;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.subpage-content h2:first-child {
  margin-top: 0;
}

.subpage-content p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 0.98rem;
}

.subpage-content ul {
  margin: 0 0 20px 24px;
  color: var(--text-muted);
}

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

.back-home-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 24px;
  color: var(--accent-cyan);
  font-weight: 600;
  font-family: var(--font-mono);
}

.back-home-btn:hover {
  text-decoration: underline;
}

/* 媒体查询 / 响应式适配 */
@media (max-width: 992px) {
  .hero-grid-layout {
    flex-direction: column;
    text-align: center;
  }
  .hero-left {
    text-align: center;
  }
  .hero-subtitle {
    margin: 0 auto 30px;
  }
  .hero-cta {
    justify-content: center;
  }
  .hero-terminal-box {
    margin: 0 auto;
  }
  .features-grid,
  .pricing-grid,
  .reviews-grid,
  .article-grid {
    grid-template-columns: 1fr;
  }
  .pricing-card.popular {
    transform: none;
  }
  .pricing-card.popular:hover {
    transform: translateY(-4px);
  }
  .media-ai-container {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header {
    padding: 10px 0;
  }
  .nav-wrap {
    flex-wrap: wrap;
    row-gap: 12px;
  }
  .nav-links {
    display: flex;
    width: 100%;
    order: 3;
    overflow-x: auto;
    white-space: nowrap;
    gap: 20px;
    padding: 6px 0 2px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .nav-links::-webkit-scrollbar {
    display: none;
  }
  .nav-links li {
    flex-shrink: 0;
  }
  .nav-links a {
    font-size: 0.88rem;
  }
  .hero-section {
    padding: 40px 0 30px;
  }
  .hero-title {
    font-size: 2rem;
  }
  .hero-title-sub {
    font-size: 1.25rem;
  }
  .hero-terminal-box {
    width: 100%;
    max-width: 340px;
  }
  .btn {
    width: 100%;
    min-height: 48px;
    font-size: 1rem;
  }
  .hero-stats {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 16px;
  }
  .stat-item h3 {
    font-size: 1.5rem;
  }
  .section-wrap {
    padding: 55px 0;
  }
  .section-title {
    font-size: 1.75rem;
  }
  .media-ai-card {
    padding: 24px;
  }
  .chips-grid {
    grid-template-columns: 1fr;
  }
  .footer-nav {
    flex-direction: column;
    gap: 16px;
  }
  .footer-link {
    font-size: 1.05rem;
    display: block;
    width: 100%;
    text-align: center;
    background: rgba(255, 255, 255, 0.03);
    padding: 12px;
    border-radius: 4px;
  }
  .subpage-content {
    padding: 24px 18px;
  }
  .article-detail-title {
    font-size: 1.6rem;
  }
  .article-body {
    padding: 24px 18px;
  }
}


/* 尊重用户减少动态效果偏好 (Prefers Reduced Motion) */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  #matrix-canvas {
    display: none !important;
  }
  .matrix-column {
    animation: none !important;
  }
}