/* ===== 首页 · 科技风 ===== */
.page-home {
  --home-accent: #06b6d4;
  --home-accent-2: #3b82f6;
  --home-glow: rgba(6, 182, 212, 0.15);
  --home-grid: rgba(15, 23, 42, 0.06);
  --home-card: rgba(255, 255, 255, 0.72);
  --home-hero-bg: linear-gradient(165deg, #f8fafc 0%, #eef2ff 45%, #f0fdfa 100%);
}

html.dark .page-home {
  --home-glow: rgba(34, 211, 238, 0.12);
  --home-grid: rgba(148, 163, 184, 0.08);
  --home-card: rgba(15, 23, 42, 0.55);
  --home-hero-bg: linear-gradient(165deg, #070b14 0%, #0f172a 50%, #0c1222 100%);
}

.page-home {
  background: var(--home-hero-bg);
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

.page-home main {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

.page-home .site-nav {
  background: transparent;
  border-bottom-color: transparent;
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
}

.page-home .site-nav.is-scrolled {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--vp-c-divider);
}

html.dark .page-home .site-nav.is-scrolled {
  background: rgba(7, 11, 20, 0.85);
}

.page-home .site-footer {
  background: transparent;
  border-top-color: var(--vp-c-divider);
}

/* 背景装饰 */
.home-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.home-bg .grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--home-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--home-grid) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 80%);
}

.home-bg .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  animation: orb-float 18s ease-in-out infinite;
}

.home-bg .orb-1 {
  width: 520px;
  height: 520px;
  top: -120px;
  right: -80px;
  background: radial-gradient(circle, var(--home-accent) 0%, transparent 70%);
}

.home-bg .orb-2 {
  width: 400px;
  height: 400px;
  bottom: 10%;
  left: -100px;
  background: radial-gradient(circle, var(--home-accent-2) 0%, transparent 70%);
  animation-delay: -6s;
}

@keyframes orb-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(24px, -16px) scale(1.05); }
}

/* Hero */
.hero-tech {
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 24px 72px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  box-sizing: border-box;
}

.hero-content,
.hero-visual {
  min-width: 0;
  max-width: 100%;
}

.hero-tech .badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--vp-c-border);
  background: var(--home-card);
  backdrop-filter: blur(8px);
  font-size: 13px;
  color: var(--vp-c-text-2);
  margin-bottom: 20px;
}

.hero-tech .badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
  animation: pulse-dot 2s ease-in-out infinite;
}

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

.hero-tech h1 {
  margin: 0 0 12px;
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 800;
}

.hero-tech h1 .gradient {
  background: linear-gradient(135deg, var(--home-accent) 0%, var(--home-accent-2) 55%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tech .role {
  margin: 0 0 20px;
  font-size: clamp(18px, 2.5vw, 22px);
  font-weight: 600;
  color: var(--vp-c-text-1);
  letter-spacing: 0.02em;
}

.hero-tech .bio {
  margin: 0 0 28px;
  max-width: 540px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--vp-c-text-2);
}

.hero-tech .bio em {
  font-style: normal;
  color: var(--home-accent);
  font-weight: 600;
}

.hero-tech .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
  max-width: 100%;
}

.hero-tech .btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 22px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--home-accent) 0%, var(--home-accent-2) 100%);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 4px 20px var(--home-glow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.hero-tech .btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 28px var(--home-glow);
  color: #fff;
}

.hero-tech .btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 20px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--vp-c-border);
  background: var(--home-card);
  backdrop-filter: blur(8px);
  color: var(--vp-c-text-1);
  font-size: 14px;
  font-weight: 600;
  transition: border-color 0.2s, color 0.2s;
}

.hero-tech .btn-ghost:hover {
  border-color: var(--home-accent);
  color: var(--home-accent);
}

/* 终端卡片 */
.terminal-card {
  border-radius: 16px;
  border: 1px solid var(--vp-c-border);
  background: var(--home-card);
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
  overflow: hidden;
  max-width: 100%;
  min-width: 0;
}

html.dark .terminal-card {
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.terminal-card .bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--vp-c-divider);
  background: rgba(0, 0, 0, 0.03);
}

html.dark .terminal-card .bar {
  background: rgba(0, 0, 0, 0.25);
}

.terminal-card .bar span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-card .bar .r { background: #ef4444; }
.terminal-card .bar .y { background: #eab308; }
.terminal-card .bar .g { background: #22c55e; }

.terminal-card .bar .title {
  flex: 1;
  text-align: center;
  font-size: 12px;
  color: var(--vp-c-text-3);
  font-family: ui-monospace, "Cascadia Code", "Fira Code", monospace;
}

.terminal-card pre {
  margin: 0;
  padding: 24px 20px;
  font: 13px/1.7 ui-monospace, "Cascadia Code", "Fira Code", "SF Mono", monospace;
  color: var(--vp-c-text-2);
  overflow-x: auto;
  max-width: 100%;
  -webkit-overflow-scrolling: touch;
}

.terminal-card .k { color: #c084fc; }
.terminal-card .s { color: #34d399; }
.terminal-card .c { color: var(--vp-c-text-3); }
.terminal-card .f { color: var(--home-accent); }
.terminal-card .n { color: #fbbf24; }

/* 通用区块 */
.home-section {
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px 72px;
  box-sizing: border-box;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.section-head h2 {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--vp-c-text-3);
}

.section-head .more {
  font-size: 14px;
  font-weight: 600;
  color: var(--home-accent);
  white-space: nowrap;
}

.section-head .more:hover {
  color: var(--home-accent-2);
}

/* 内容分布 */
.content-overview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 72px;
  padding: 0 24px;
  max-width: 1180px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

.overview-item {
  display: block;
  padding: 20px 18px;
  border-radius: 12px;
  border: 1px solid var(--vp-c-border);
  background: var(--home-card);
  backdrop-filter: blur(8px);
  color: inherit;
  transition: border-color 0.2s, transform 0.2s;
}

.overview-item:hover {
  border-color: var(--home-accent);
  transform: translateY(-2px);
  color: inherit;
}

.overview-item .count {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--home-accent), var(--home-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.overview-item .name {
  margin-top: 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--vp-c-text-1);
}

.overview-item .desc {
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--vp-c-text-3);
}

/* 精选文章 */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

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

.post-card {
  display: flex;
  flex-direction: column;
  padding: 22px;
  border-radius: 14px;
  border: 1px solid var(--vp-c-border);
  background: var(--home-card);
  backdrop-filter: blur(8px);
  color: inherit;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
  min-height: 180px;
}

.post-card:hover {
  border-color: var(--home-accent);
  box-shadow: 0 12px 40px var(--home-glow);
  transform: translateY(-3px);
  color: inherit;
}

.post-card .tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: rgba(6, 182, 212, 0.12);
  color: var(--home-accent);
  margin-bottom: 12px;
  width: fit-content;
}

.post-card h3 {
  margin: 0 0 10px;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--vp-c-text-1);
}

.post-card p {
  margin: 0 0 auto;
  font-size: 13px;
  line-height: 1.65;
  color: var(--vp-c-text-3);
}

.post-card .arrow {
  margin-top: 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--home-accent);
}

/* 领域探索 */
.domains-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.domain-card {
  position: relative;
  display: block;
  padding: 24px 20px;
  border-radius: 14px;
  border: 1px solid var(--vp-c-border);
  background: var(--home-card);
  backdrop-filter: blur(8px);
  color: inherit;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s;
}

.domain-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--home-accent), var(--home-accent-2));
  opacity: 0;
  transition: opacity 0.25s;
}

.domain-card:hover {
  border-color: rgba(6, 182, 212, 0.4);
  transform: translateY(-3px);
  color: inherit;
}

.domain-card:hover::before {
  opacity: 1;
}

.domain-card .icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  background: rgba(6, 182, 212, 0.1);
  margin-bottom: 16px;
}

.domain-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
}

.domain-card p {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--vp-c-text-3);
}

.domain-card .meta {
  font-size: 12px;
  font-weight: 600;
  color: var(--home-accent);
}

/* 理念条 */
.about-strip {
  max-width: 1180px;
  margin: 0 auto 72px;
  padding: 0 24px;
}

.about-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 32px;
  align-items: center;
  padding: 32px 36px;
  border-radius: 16px;
  border: 1px solid var(--vp-c-border);
  background: var(--home-card);
  backdrop-filter: blur(8px);
}

.about-inner .quote-mark {
  font-size: 64px;
  line-height: 1;
  font-weight: 800;
  background: linear-gradient(135deg, var(--home-accent), var(--home-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.5;
}

.about-inner blockquote {
  margin: 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--vp-c-text-2);
}

.about-inner blockquote strong {
  color: var(--vp-c-text-1);
}

/* 技术标签 */
.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.tags-cloud span {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--vp-c-border);
  background: rgba(255, 255, 255, 0.5);
  color: var(--vp-c-text-2);
}

html.dark .tags-cloud span {
  background: rgba(255, 255, 255, 0.04);
}

/* 数据条 */
.stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--vp-c-divider);
}

.stat-item {
  min-width: 80px;
}

.stat-item .num {
  display: block;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--home-accent), var(--home-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item .label {
  font-size: 13px;
  color: var(--vp-c-text-3);
  margin-top: 2px;
}

/* 响应式 */
@media (max-width: 1024px) {
  .hero-tech {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 24px 20px 48px;
  }

  .content-overview {
    grid-template-columns: repeat(2, 1fr);
    padding: 0 16px;
    margin-bottom: 48px;
  }

  .home-section {
    padding: 0 16px 48px;
  }

  .featured-grid,
  .featured-grid.cols-2 {
    grid-template-columns: 1fr 1fr;
  }

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

  .about-strip {
    padding: 0 16px;
    margin-bottom: 48px;
  }
}

@media (max-width: 768px) {
  .page-home .site-nav.is-scrolled,
  .page-home .site-nav {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    border-bottom-color: var(--vp-c-divider);
  }

  html.dark .page-home .site-nav.is-scrolled,
  html.dark .page-home .site-nav {
    background: rgba(7, 11, 20, 0.92);
  }

  .page-home .site-nav .inner {
    padding: 0 12px;
    gap: 6px;
  }

  .hero-tech {
    padding: 20px 16px 36px;
    gap: 28px;
  }

  /* 移动端：先展示介绍和按钮，终端卡片放下方 */
  .hero-visual {
    order: 1;
  }

  .hero-content {
    order: 0;
  }

  .hero-tech h1 {
    font-size: clamp(32px, 9vw, 44px);
  }

  .hero-tech .role {
    font-size: 17px;
    margin-bottom: 14px;
  }

  .hero-tech .bio {
    font-size: 15px;
    max-width: none;
    margin-bottom: 22px;
    line-height: 1.7;
  }

  .hero-tech .badge {
    font-size: 12px;
    max-width: 100%;
    flex-wrap: wrap;
    margin-bottom: 16px;
  }

  .hero-tech .cta-row {
    flex-direction: column;
    gap: 12px;
    margin-bottom: 28px;
  }

  .hero-tech .btn-primary,
  .hero-tech .btn-ghost {
    width: 100%;
    max-width: 100%;
    height: 46px;
    box-sizing: border-box;
    justify-content: center;
    box-shadow: none;
  }

  .hero-tech .btn-primary {
    box-shadow: 0 2px 12px var(--home-glow);
  }

  .stats-row {
    gap: 12px;
    justify-content: space-between;
    margin-top: 0;
    padding-top: 22px;
  }

  .stat-item {
    flex: 1;
    min-width: 0;
    text-align: center;
  }

  .stat-item .num {
    font-size: 22px;
  }

  .stat-item .label {
    font-size: 12px;
  }

  .terminal-card {
    margin-top: 4px;
  }

  .terminal-card pre {
    padding: 14px 12px;
    font-size: 10.5px;
    line-height: 1.65;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-x: hidden;
  }

  .terminal-card .bar .title {
    font-size: 10px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .home-bg .orb-1 {
    width: 200px;
    height: 200px;
    right: -40px;
    top: -80px;
  }

  .home-bg .orb-2 {
    width: 160px;
    height: 160px;
    left: -60px;
  }

  .content-overview {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .overview-item {
    padding: 16px 14px;
  }

  .overview-item .count {
    font-size: 26px;
  }

  .featured-grid,
  .featured-grid.cols-2,
  .domains-grid {
    grid-template-columns: 1fr;
  }

  .post-card {
    min-height: auto;
    padding: 18px;
  }

  .post-card h3 {
    font-size: 15px;
  }

  .domain-card {
    padding: 20px 16px;
  }

  .section-head h2 {
    font-size: 20px;
  }

  .about-inner {
    grid-template-columns: 1fr;
    padding: 20px 18px;
    gap: 12px;
  }

  .about-inner .quote-mark {
    font-size: 36px;
  }

  .about-inner blockquote {
    font-size: 15px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 20px;
  }

  .tags-cloud {
    gap: 8px;
  }

  .tags-cloud span {
    font-size: 12px;
    padding: 5px 10px;
  }
}

@media (max-width: 480px) {
  .hero-tech {
    padding: 16px 14px 28px;
  }

  .home-section,
  .content-overview,
  .about-strip {
    padding-left: 14px;
    padding-right: 14px;
  }

  .hero-tech .cta-row {
    gap: 10px;
    margin-bottom: 24px;
  }

  /* 超小屏隐藏终端，避免挤压首屏 */
  .hero-visual {
    display: none;
  }
}

@media (max-width: 380px) {
  .content-overview {
    grid-template-columns: 1fr;
  }

  .hero-tech h1 {
    font-size: 30px;
  }
}