@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,400;0,500;1,400&display=swap');

/* ── 变量 ── */
:root {
  --c-green: #87ff71;
  --c-cyan: #01cdfe;
  --c-dark: #192617;
  --c-dark2: #0f1a0e;
  --c-dark3: #1e3019;
  --c-purple: #b967ff;
  --c-pink: #ff71ce;
  --c-text: #d4f5cc;
  --c-muted: #7aaf72;
  --c-border: #2a4025;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --radius: 10px;
  --header-h: 56px;
  --ticker-h: 32px;
  --max-w: 900px;
  --max-w-wide: 1100px;
}

/* ── 重置 ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-mono);
  background-color: var(--c-dark);
  color: var(--c-text);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
}
a { color: var(--c-cyan); text-decoration: none; }
a:hover { color: var(--c-green); }
img { max-width: 100%; height: auto; display: block; }
time { font-size: 0.85rem; color: var(--c-muted); }

/* ── 扫描线 ── */
.scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(0,0,0,0.08) 3px,
    rgba(0,0,0,0.08) 4px
  );
  animation: scanScroll 8s linear infinite;
}
@keyframes scanScroll {
  0% { background-position: 0 0; }
  100% { background-position: 0 400px; }
}
@media (prefers-reduced-motion: reduce) {
  .scanlines { animation: none; }
}

/* ── 头部 ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 26, 14, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-border);
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  height: var(--header-h);
  overflow-x: auto;
  scrollbar-width: none;
}
.site-nav::-webkit-scrollbar { display: none; }

.brand-mark {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--c-green);
  border-radius: 8px;
  color: var(--c-green);
  font-size: 1rem;
  font-weight: 500;
  text-shadow: 0 0 8px var(--c-green);
  transition: box-shadow 0.2s;
}
.brand-mark:hover {
  box-shadow: 0 0 16px var(--c-green);
  color: var(--c-green);
}
.brand-icon { width: 28px; height: 28px; object-fit: contain; }
.brand-icon-text { line-height: 1; }

.nav-pills {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: nowrap;
}
.nav-pill {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 14px;
  border-radius: 20px;
  border: 1px solid var(--c-border);
  color: var(--c-text);
  font-size: 0.82rem;
  font-family: var(--font-mono);
  white-space: nowrap;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.nav-pill:hover {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  background: rgba(1,205,254,0.06);
}
.nav-pill--active {
  border-color: var(--c-green);
  color: var(--c-green);
  background: rgba(135,255,113,0.08);
  text-shadow: 0 0 6px var(--c-green);
}

/* ── 顶部公告条 ── */
.header-ticker {
  height: var(--ticker-h);
  background: linear-gradient(90deg, var(--c-dark2), var(--c-dark3), var(--c-dark2));
  border-top: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  overflow: hidden;
}
.ticker-text {
  font-size: 0.75rem;
  color: var(--c-muted);
  letter-spacing: 0.12em;
  padding-left: 16px;
  white-space: nowrap;
  animation: tickerScroll 20s linear infinite;
}
@keyframes tickerScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .ticker-text { animation: none; }
}

/* ── 通用按钮 ── */
.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  border-radius: 22px;
  background: linear-gradient(90deg, var(--c-green), var(--c-cyan));
  color: var(--c-dark);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  text-shadow: none;
  transition: opacity 0.2s, box-shadow 0.2s;
}
.cta-btn:hover {
  opacity: 0.85;
  box-shadow: 0 0 20px rgba(135,255,113,0.4);
  color: var(--c-dark);
}
.cta-btn--ghost {
  background: transparent;
  border: 1.5px solid var(--c-green);
  color: var(--c-green);
  text-shadow: 0 0 6px var(--c-green);
}
.cta-btn--ghost:hover {
  background: rgba(135,255,113,0.08);
  color: var(--c-green);
  box-shadow: 0 0 16px rgba(135,255,113,0.3);
}

/* ── 眉题 ── */
.eyebrow {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--c-cyan);
  text-transform: none;
  margin-bottom: 6px;
  font-style: normal;
}

/* ── 主内容容器 ── */
.page-main {
  min-height: calc(100vh - var(--header-h) - var(--ticker-h));
}
.page-main--inner,
.page-main--article,
.page-main--about,
.page-main--privacy {
  padding: 40px 16px 64px;
}

/* ── 面包屑 ── */
.breadcrumb {
  font-size: 0.8rem;
  color: var(--c-muted);
  margin-bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}
.breadcrumb a { color: var(--c-muted); }
.breadcrumb a:hover { color: var(--c-cyan); }

/* ══════════════════════════════
   首页 Hero
══════════════════════════════ */
.page-home .hero-section {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
  padding: 80px 40px 60px;
  position: relative;
  overflow: hidden;
}
.page-home .hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 60%, var(--c-dark) 100%),
    repeating-linear-gradient(
      90deg,
      transparent 0px,
      transparent 59px,
      rgba(1,205,254,0.04) 59px,
      rgba(1,205,254,0.04) 60px
    );
  pointer-events: none;
}
.hero-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  position: relative;
  z-index: 1;
}
.hero-h1 {
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 500;
  color: var(--c-green);
  text-shadow: 0 0 24px rgba(135,255,113,0.5);
  line-height: 1.3;
}
.hero-lead {
  font-size: 1rem;
  color: var(--c-text);
  max-width: 480px;
  line-height: 1.7;
}
.hero-eyebrow { margin-bottom: 4px; }

.hero-media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-img {
  border-radius: var(--radius);
  max-height: 70vh;
  object-fit: cover;
  width: 100%;
  box-shadow: 0 0 40px rgba(1,205,254,0.2);
}
.hero-grid-deco {
  position: absolute;
  inset: -20px;
  background:
    linear-gradient(rgba(1,205,254,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(1,205,254,0.05) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
  z-index: -1;
  animation: gridPulse 4s ease-in-out infinite;
}
@keyframes gridPulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-grid-deco { animation: none; }
}

/* ── 首页内容区 ── */
.content-section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 16px;
}
.content-inner {
  line-height: 1.75;
}

/* ── 子页列表通用 ── */
.home-children,
.topic-strip,
.sub-index,
.related-aside,
.about-links {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 40px 16px;
}
.home-children h2,
.topic-strip h2,
.sub-index h2,
.related-aside .related-title,
.about-links h2 {
  font-size: 1.3rem;
  color: var(--c-green);
  text-shadow: 0 0 10px rgba(135,255,113,0.3);
  margin-bottom: 20px;
}

/* ── table 列表 ── */
.child-table,
.entry-table,
.related-table,
.about-nav-table {
  width: 100%;
  border-collapse: collapse;
}
.child-table--wide { max-width: 100%; }

.child-td,
.related-td,
.about-nav-td {
  padding: 4px 0;
}

.child-card,
.child-card--topic {
  display: block;
  background: var(--c-dark3);
  border-radius: var(--radius);
  padding: 16px 20px;
  transition: background 0.2s, box-shadow 0.2s;
  border: 1px solid var(--c-border);
}
.child-card:hover,
.child-card--topic:hover {
  background: rgba(135,255,113,0.06);
  box-shadow: 0 0 16px rgba(135,255,113,0.15);
  border-color: var(--c-green);
}
.child-title {
  display: block;
  font-size: 0.95rem;
  color: var(--c-green);
  margin-bottom: 4px;
}
.child-desc {
  display: block;
  font-size: 0.82rem;
  color: var(--c-muted);
  line-height: 1.5;
}

/* ── 条目表格 ── */
.entry-row {
  border-bottom: 1px solid var(--c-border);
}
.entry-row:last-child { border-bottom: none; }
.entry-num {
  width: 40px;
  font-size: 0.75rem;
  color: var(--c-muted);
  padding: 16px 8px 16px 0;
  vertical-align: top;
  font-style: italic;
}
.entry-main { padding: 12px 8px; }
.entry-link {
  display: block;
  color: inherit;
}
.entry-link:hover .entry-title { color: var(--c-green); }
.entry-title {
  display: block;
  font-size: 0.95rem;
  color: var(--c-cyan);
  margin-bottom: 4px;
  transition: color 0.2s;
}
.entry-desc {
  display: block;
  font-size: 0.82rem;
  color: var(--c-muted);
}
.entry-date {
  width: 120px;
  padding: 16px 0;
  vertical-align: top;
  font-size: 0.78rem;
  color: var(--c-muted);
  text-align: right;
  white-space: nowrap;
}

/* ══════════════════════════════
   Topic 页
══════════════════════════════ */
.inner-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
}
.topic-hero {
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 32px;
}
.topic-h1 {
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  color: var(--c-green);
  text-shadow: 0 0 16px rgba(135,255,113,0.4);
  margin-bottom: 10px;
}
.topic-lead {
  font-size: 0.95rem;
  color: var(--c-text);
  line-height: 1.7;
}
.topic-content {
  margin-bottom: 40px;
  line-height: 1.75;
}

/* ══════════════════════════════
   Article 页
══════════════════════════════ */
.article-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
}
.article-header {
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 32px;
}
.article-h1 {
  font-size: clamp(1.3rem, 3vw, 2rem);
  color: var(--c-green);
  text-shadow: 0 0 16px rgba(135,255,113,0.35);
  margin-bottom: 12px;
  line-height: 1.4;
}
.article-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.article-date { font-size: 0.82rem; color: var(--c-muted); }
.article-date--mod { color: var(--c-cyan); opacity: 0.7; }

.article-hero-wrap {
  margin-bottom: 32px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 0 32px rgba(1,205,254,0.15);
}
.article-hero-img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
}

.article-body {
  line-height: 1.8;
  font-size: 1rem;
  margin-bottom: 48px;
}

/* related */
.related-aside {
  padding: 32px 0 0;
  border-top: 1px solid var(--c-border);
}
.related-link {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-border);
  color: inherit;
}
.related-link:last-child { border-bottom: none; }
.related-name {
  display: block;
  color: var(--c-cyan);
  font-size: 0.9rem;
  margin-bottom: 2px;
  transition: color 0.2s;
}
.related-link:hover .related-name { color: var(--c-green); }
.related-desc {
  display: block;
  font-size: 0.8rem;
  color: var(--c-muted);
}

/* ══════════════════════════════
   About 页
══════════════════════════════ */
.about-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
}
.about-header {
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 32px;
}
.about-h1 {
  font-size: clamp(1.3rem, 3vw, 2rem);
  color: var(--c-green);
  text-shadow: 0 0 14px rgba(135,255,113,0.35);
  margin-bottom: 10px;
}
.about-lead {
  font-size: 0.95rem;
  color: var(--c-muted);
}
.about-body {
  line-height: 1.8;
  margin-bottom: 48px;
}
.about-nav-td { padding: 4px 0; }
.about-nav-link {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  background: var(--c-dark3);
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  color: var(--c-text);
  font-size: 0.9rem;
  transition: border-color 0.2s, color 0.2s;
}
.about-nav-link:hover {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
}

/* ══════════════════════════════
   Privacy 页
══════════════════════════════ */
.privacy-wrap {
  max-width: 760px;
  margin: 0 auto;
}
.privacy-header {
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 32px;
}
.privacy-h1 {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  color: var(--c-green);
  text-shadow: 0 0 12px rgba(135,255,113,0.3);
  margin-bottom: 10px;
}
.privacy-body {
  line-height: 1.85;
  font-size: 0.95rem;
  margin-bottom: 40px;
}
.privacy-footer-links {
  display: flex;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--c-border);
  font-size: 0.85rem;
}

/* ══════════════════════════════
   页脚
══════════════════════════════ */
.site-footer {
  background: var(--c-dark2);
  border-top: 1px solid var(--c-border);
  padding: 48px 16px 0;
}
.footer-cta {
  text-align: center;
  padding: 40px 16px;
  background: linear-gradient(135deg, rgba(135,255,113,0.05), rgba(1,205,254,0.05));
  border-radius: var(--radius);
  margin-bottom: 40px;
  border: 1px solid var(--c-border);
}
.footer-cta-text {
  font-size: 1.1rem;
  color: var(--c-text);
  margin-bottom: 16px;
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--c-border);
}
.footer-dl dt {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--c-green);
  text-shadow: 0 0 6px rgba(135,255,113,0.3);
  margin-bottom: 12px;
  font-weight: 500;
}
.footer-dl dd {
  margin: 0 0 8px;
  font-size: 0.85rem;
}
.footer-dl dd a {
  color: var(--c-muted);
  transition: color 0.2s;
}
.footer-dl dd a:hover { color: var(--c-cyan); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  font-size: 0.78rem;
  color: var(--c-muted);
  flex-wrap: wrap;
  gap: 8px;
  max-width: var(--max-w-wide);
  margin: 0 auto;
}
.footer-links {
  display: flex;
  gap: 16px;
}
.footer-links a { color: var(--c-muted); }
.footer-links a:hover { color: var(--c-green); }

/* ══════════════════════════════
   正文内容样式（page.content 插入区）
══════════════════════════════ */
.content-inner h2,
.topic-content h2,
.article-body h2,
.about-body h2,
.privacy-body h2 {
  font-size: 1.15rem;
  color: var(--c-cyan);
  text-shadow: 0 0 8px rgba(1,205,254,0.25);
  margin: 2em 0 0.7em;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--c-border);
}
.content-inner h3,
.topic-content h3,
.article-body h3,
.about-body h3,
.privacy-body h3 {
  font-size: 1rem;
  color: var(--c-green);
  margin: 1.5em 0 0.5em;
}
.content-inner p,
.topic-content p,
.article-body p,
.about-body p,
.privacy-body p {
  margin-bottom: 1em;
  font-size: 1rem;
  line-height: 1.8;
}
.content-inner a,
.topic-content a,
.article-body a,
.about-body a,
.privacy-body a {
  color: var(--c-cyan);
  border-bottom: 1px dashed rgba(1,205,254,0.3);
}
.content-inner a:hover,
.topic-content a:hover,
.article-body a:hover,
.about-body a:hover,
.privacy-body a:hover {
  color: var(--c-green);
  border-bottom-color: var(--c-green);
}
.content-inner ul,
.content-inner ol,
.topic-content ul,
.topic-content ol,
.article-body ul,
.article-body ol,
.about-body ul,
.about-body ol,
.privacy-body ul,
.privacy-body ol {
  padding-left: 1.4em;
  margin-bottom: 1em;
}
.content-inner li,
.topic-content li,
.article-body li,
.about-body li,
.privacy-body li {
  margin-bottom: 0.4em;
  font-size: 1rem;
  line-height: 1.7;
}
.content-inner blockquote,
.article-body blockquote {
  border-left: 3px solid var(--c-cyan);
  padding: 10px 16px;
  margin: 1.5em 0;
  background: rgba(1,205,254,0.04);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--c-muted);
  font-style: italic;
}

/* ══════════════════════════════
   Scroll Reveal
══════════════════════════════ */
.reveal-block {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal-block.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal-block {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ══════════════════════════════
   移动端
══════════════════════════════ */
@media (max-width: 640px) {
  .page-home .hero-section {
    grid-template-columns: 1fr;
    min-height: 100vh;
    padding: 48px 20px 48px;
  }
  .hero-media { order: -1; }
  .hero-img { max-height: 40vh; }
  .hero-h1 { font-size: 1.6rem; }

  .footer-cols { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .entry-date { display: none; }
  .nav-pill { height: 40px; padding: 0 12px; font-size: 0.78rem; }
  .brand-mark { width: 40px; height: 40px; }

  .page-main--inner,
  .page-main--article,
  .page-main--about,
  .page-main--privacy {
    padding: 24px 14px 48px;
  }
}

@media (max-width: 480px) {
  .site-nav { gap: 8px; padding: 0 10px; }
  .hero-h1 { font-size: 1.4rem; }
}