@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=VT323&display=swap');

/* ===== 基础变量 ===== */
:root {
  --red: #ff0000;
  --pink: #ff006e;
  --dark: #1a1a2e;
  --darker: #0d0d1a;
  --mid: #16213e;
  --cyan: #00ffff;
  --yellow: #ffff00;
  --text: #e8e8f0;
  --text-dim: #a0a0c0;
  --card-bg: rgba(26, 26, 46, 0.92);
  --border-neon: rgba(255, 0, 110, 0.6);
  --glow-red: 0 0 8px #ff0000, 0 0 20px rgba(255,0,0,0.5);
  --glow-pink: 0 0 8px #ff006e, 0 0 20px rgba(255,0,110,0.5);
  --radius: 10px;
  --font-pixel: 'Press Start 2P', monospace;
  --font-vt: 'VT323', monospace;
  --font-body: 'VT323', 'Courier New', monospace;
  --max-w: 1100px;
}

/* ===== 重置 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 18px; scroll-behavior: smooth; }
body {
  background-color: var(--darker);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.1rem;
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

/* ===== CRT & 扫描线 ===== */
.crt-overlay {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.08) 2px,
    rgba(0,0,0,0.08) 4px
  );
  animation: flicker 8s infinite;
}
.scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: linear-gradient(
    rgba(0,255,255,0.015) 50%,
    transparent 50%
  );
  background-size: 100% 4px;
}
@keyframes flicker {
  0%,95%,100% { opacity: 1; }
  96% { opacity: 0.92; }
  97% { opacity: 1; }
  98% { opacity: 0.95; }
}

/* ===== 霓虹发光文字 ===== */
.glitch-text {
  position: relative;
  display: inline-block;
  color: var(--red);
  text-shadow: var(--glow-red);
  animation: glitch-anim 6s infinite;
}
.glitch-text::before,
.glitch-text::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  overflow: hidden;
  opacity: 0.7;
}
.glitch-text::before {
  color: var(--pink);
  animation: glitch-before 6s infinite;
  clip-path: polygon(0 30%, 100% 30%, 100% 50%, 0 50%);
}
.glitch-text::after {
  color: var(--cyan);
  animation: glitch-after 6s infinite;
  clip-path: polygon(0 60%, 100% 60%, 100% 75%, 0 75%);
}
@keyframes glitch-anim {
  0%,89%,100% { transform: none; }
  90% { transform: skew(-1deg); }
  92% { transform: skew(1deg) translateX(2px); }
  94% { transform: none; }
}
@keyframes glitch-before {
  0%,89%,100% { transform: none; opacity: 0; }
  90% { transform: translateX(-3px); opacity: 0.7; }
  93% { transform: translateX(3px); opacity: 0.7; }
  96% { opacity: 0; }
}
@keyframes glitch-after {
  0%,91%,100% { transform: none; opacity: 0; }
  92% { transform: translateX(3px); opacity: 0.6; }
  95% { transform: translateX(-3px); opacity: 0.6; }
  97% { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .glitch-text, .glitch-text::before, .glitch-text::after,
  .crt-overlay, .scanlines, .reveal-item {
    animation: none !important;
    transition: none !important;
  }
}

/* ===== 网格底纹工具类 ===== */
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,0,110,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,0,110,0.08) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 0;
}

/* ===== HEADER ===== */
.site-header {
  background: var(--dark);
  border-bottom: 2px solid var(--pink);
  box-shadow: 0 2px 20px rgba(255,0,110,0.3);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.announce-bar {
  background: linear-gradient(90deg, var(--red), var(--pink));
  color: #fff;
  font-family: var(--font-pixel);
  font-size: 0.5rem;
  letter-spacing: 0.05em;
  padding: 6px 16px;
  text-align: center;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.brand-row {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid rgba(255,0,110,0.2);
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-pixel {
  font-size: 1.6rem;
  color: var(--red);
  text-shadow: var(--glow-red);
}
.logo-mark {
  width: 36px;
  height: 36px;
  object-fit: contain;
}
.brand-name {
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  color: var(--red);
  text-decoration: none;
  text-shadow: var(--glow-red);
  letter-spacing: 0.03em;
  line-height: 1.4;
}
.brand-name:hover { color: var(--pink); text-shadow: var(--glow-pink); }

/* ===== 导航 aside > nav > ul > li > a ===== */
.nav-aside {
  width: 100%;
}
.nav-aside nav ul {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: 0;
  padding: 0 12px;
}
.nav-aside nav ul li { flex-shrink: 0; }
.nav-aside nav ul li a {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-vt);
  font-size: 1.05rem;
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  min-height: 44px;
  line-height: 1.3;
}
.nav-aside nav ul li a:hover,
.nav-aside nav ul li a:focus {
  color: var(--pink);
  border-bottom-color: var(--pink);
  text-shadow: var(--glow-pink);
}

/* ===== 页面布局 ===== */
.page-layout {
  display: flex;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 24px 16px;
  gap: 28px;
  align-items: flex-start;
}

/* ===== ASIDE 侧边栏（内容左侧）===== */
.sidebar {
  flex: 0 0 220px;
  min-width: 180px;
  position: sticky;
  top: 110px;
}
.sidebar nav {
  background: var(--card-bg);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 20px;
  box-shadow: 0 0 14px rgba(255,0,110,0.15);
}
.sidebar nav h3 {
  font-family: var(--font-pixel);
  font-size: 0.45rem;
  color: var(--pink);
  text-shadow: var(--glow-pink);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-neon);
}
.sidebar nav ul { list-style: none; }
.sidebar nav ul li { border-bottom: 1px solid rgba(255,0,110,0.1); }
.sidebar nav ul li:last-child { border-bottom: none; }
.sidebar nav ul li a {
  display: block;
  padding: 8px 4px;
  color: var(--text-dim);
  text-decoration: none;
  font-family: var(--font-vt);
  font-size: 1rem;
  transition: color 0.2s;
  min-height: 40px;
}
.sidebar nav ul li a:hover { color: var(--red); text-shadow: var(--glow-red); }

/* ===== MAIN ===== */
main {
  flex: 1;
  min-width: 0;
  max-width: 820px;
}
main > div > article { margin-bottom: 32px; }

/* ===== H1 通用 ===== */
h1 {
  font-family: var(--font-pixel);
  font-size: clamp(0.75rem, 2.5vw, 1.1rem);
  line-height: 1.6;
  color: var(--red);
  text-shadow: var(--glow-red);
  margin-bottom: 16px;
}
h2 {
  font-family: var(--font-pixel);
  font-size: clamp(0.55rem, 1.8vw, 0.8rem);
  color: var(--pink);
  text-shadow: var(--glow-pink);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-neon);
}
h2 > span { display: inline; }
h3 {
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  color: var(--text);
  margin-bottom: 10px;
}
h3 > span { display: inline; }

/* ===== 霓虹卡片 ===== */
.neon-card {
  background: var(--card-bg);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 4px 20px rgba(255,0,110,0.15), 0 0 1px var(--pink);
  transition: box-shadow 0.3s, transform 0.3s;
}
.neon-card:hover {
  box-shadow: 0 8px 30px rgba(255,0,110,0.35), 0 0 10px var(--red);
  transform: translateY(-3px);
}
.neon-card h3 {
  font-size: 0.5rem;
  color: var(--red);
  text-shadow: var(--glow-red);
  margin-bottom: 10px;
}
.neon-card p { font-size: 1rem; color: var(--text-dim); margin-bottom: 12px; }
.card-desc { font-size: 0.95rem; }
.card-meta { margin-bottom: 12px; }

/* ===== 按钮 ===== */
.neon-btn {
  display: inline-block;
  padding: 10px 18px;
  background: transparent;
  border: 2px solid var(--red);
  color: var(--red);
  font-family: var(--font-pixel);
  font-size: 0.45rem;
  text-decoration: none;
  text-shadow: var(--glow-red);
  box-shadow: var(--glow-red), inset 0 0 8px rgba(255,0,0,0.1);
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  min-height: 44px;
  line-height: 1.6;
}
.neon-btn:hover {
  background: var(--red);
  color: #000;
  box-shadow: 0 0 20px var(--red), 0 0 40px rgba(255,0,0,0.4);
  text-shadow: none;
}

/* ===== 徽章 ===== */
.tag-badge {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(255,0,110,0.15);
  border: 1px solid var(--pink);
  color: var(--pink);
  font-size: 0.85rem;
  border-radius: 4px;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  font-family: var(--font-vt);
  font-size: 0.95rem;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.breadcrumb a { color: var(--pink); text-decoration: none; }
.breadcrumb a:hover { text-shadow: var(--glow-pink); }

/* ===== 页面 eyebrow ===== */
.page-eyebrow {
  font-family: var(--font-pixel);
  font-size: 0.4rem;
  color: var(--pink);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  text-shadow: var(--glow-pink);
}
.page-date {
  display: block;
  font-size: 0.95rem;
  color: var(--text-dim);
  margin-bottom: 12px;
}

/* ===== HERO（首页专用）===== */
.hero-section {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--radius);
  margin-bottom: 40px;
  background: var(--dark);
  border: 1px solid var(--border-neon);
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 40px 24px;
  max-width: 720px;
  margin: 0 auto;
}
.hero-icon-decor {
  font-size: 4rem;
  color: var(--pink);
  text-shadow: var(--glow-pink);
  margin-bottom: 20px;
  display: block;
  animation: pulse-glow 2s ease-in-out infinite alternate;
}
@keyframes pulse-glow {
  from { text-shadow: 0 0 10px var(--pink), 0 0 20px rgba(255,0,110,0.4); }
  to   { text-shadow: 0 0 20px var(--pink), 0 0 50px rgba(255,0,110,0.7), 0 0 80px rgba(255,0,0,0.3); }
}
.hero-section h1 {
  font-size: clamp(0.7rem, 3vw, 1.2rem);
  margin-bottom: 20px;
}
.hero-sub {
  font-family: var(--font-vt);
  font-size: 1.3rem;
  color: var(--text-dim);
  margin-bottom: 28px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.hero-cta { margin-top: 8px; }
.hero-media { margin-bottom: 20px; }
.hero-img { max-width: 100%; height: auto; border-radius: 8px; }

/* ===== 首页专区网格 ===== */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

/* ===== 文章元信息 ===== */
.article-meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.95rem;
  color: var(--text-dim);
  margin-bottom: 16px;
}
.article-meta time { font-family: var(--font-vt); }
.article-hero { margin-bottom: 20px; border-radius: var(--radius); overflow: hidden; }
.article-hero-img { width: 100%; height: auto; display: block; }

/* ===== 表格（子页列表）===== */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; }
table tbody tr {
  border-bottom: 1px solid rgba(255,0,110,0.15);
  transition: background 0.2s;
}
table tbody tr:hover { background: rgba(255,0,110,0.06); }
table td {
  padding: 12px 10px;
  font-family: var(--font-vt);
  font-size: 1.05rem;
  vertical-align: middle;
}
.td-num {
  font-family: var(--font-pixel);
  font-size: 0.45rem;
  color: var(--pink);
  width: 40px;
  text-align: center;
}
.td-title a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s;
}
.td-title a:hover { color: var(--red); text-shadow: var(--glow-red); }
.td-desc { color: var(--text-dim); font-size: 0.95rem; }
.td-date { color: var(--text-dim); font-size: 0.9rem; white-space: nowrap; }

/* ===== 正文 content ===== */
.page-content-body {
  background: var(--card-bg);
  border: 1px solid rgba(255,0,110,0.2);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 2px 14px rgba(255,0,0,0.08);
}
.page-content-body p { margin-bottom: 1em; font-size: 1.05rem; line-height: 1.8; }
.page-content-body h2,
.page-content-body h3 { margin-top: 1.5em; }
.page-content-body a { color: var(--pink); text-decoration: underline; }
.page-content-body a:hover { color: var(--red); text-shadow: var(--glow-red); }
.page-content-body ul, .page-content-body ol {
  margin: 0.8em 0 0.8em 1.5em;
}
.page-content-body li { margin-bottom: 0.4em; }
.page-content-body strong { color: var(--red); }
.page-content-body code {
  background: rgba(255,0,110,0.12);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
  color: var(--cyan);
}
.page-content-body pre {
  background: #000;
  border: 1px solid var(--border-neon);
  border-radius: 6px;
  padding: 16px;
  overflow-x: auto;
  margin: 1em 0;
}
.page-content-body pre code { background: none; padding: 0; }
.page-content-body blockquote {
  border-left: 3px solid var(--pink);
  padding-left: 16px;
  color: var(--text-dim);
  font-style: italic;
  margin: 1em 0;
}
.page-content-body time {
  font-family: var(--font-vt);
  color: var(--text-dim);
  font-size: 0.95rem;
}

/* ===== 相关文章列表 ===== */
.related-list, .about-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.related-list li a, .about-nav-list li a {
  display: block;
  padding: 10px 14px;
  background: var(--card-bg);
  border: 1px solid var(--border-neon);
  border-radius: 6px;
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-vt);
  font-size: 1.05rem;
  transition: color 0.2s, box-shadow 0.2s;
}
.related-list li a:hover, .about-nav-list li a:hover {
  color: var(--red);
  box-shadow: 0 0 10px rgba(255,0,0,0.25);
}

/* ===== 标签页卡片 ===== */
.tag-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.tag-desc {
  font-family: var(--font-vt);
  font-size: 1.1rem;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.tag-card time {
  display: block;
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 10px;
}

/* ===== 滚动揭示 ===== */
.reveal-item {
  opacity: 0;
  transform: translateY(20px);
  animation: reveal-up 0.5s ease forwards;
  animation-delay: calc(var(--i, 0) * 0.08s);
}
@keyframes reveal-up {
  to { opacity: 1; transform: none; }
}

/* ===== FOOTER ===== */
footer {
  background: var(--dark);
  border-top: 2px solid var(--border-neon);
  box-shadow: 0 -4px 20px rgba(255,0,110,0.2);
  text-align: center;
  padding: 32px 20px 20px;
  margin-top: 48px;
}
.footer-brand {
  font-family: var(--font-pixel);
  font-size: clamp(1.5rem, 6vw, 3.5rem);
  color: var(--red);
  text-shadow: var(--glow-red), 0 0 60px rgba(255,0,0,0.3);
  letter-spacing: 0.05em;
  margin-bottom: 14px;
  line-height: 1.2;
}
footer small {
  display: block;
  font-family: var(--font-vt);
  font-size: 1rem;
  color: var(--text-dim);
}
footer small a {
  color: var(--pink);
  text-decoration: none;
  margin: 0 6px;
}
footer small a:hover { color: var(--red); text-shadow: var(--glow-red); }

/* ===== 首页无侧边栏布局 ===== */
body > main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 24px 16px;
}

/* ===== 首页 article 标题 ===== */
.categories-section, .latest-section {
  margin-bottom: 40px;
}
.categories-section h2, .latest-section h2 {
  margin-bottom: 20px;
}
.cat-hero {
  padding: 24px;
  background: linear-gradient(135deg, var(--dark) 0%, var(--mid) 100%);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius);
  margin-bottom: 24px;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .page-layout {
    flex-direction: column;
    padding: 16px 12px;
    gap: 16px;
  }
  .sidebar {
    flex: none;
    width: 100%;
    position: static;
  }
  .sidebar nav {
    margin-bottom: 12px;
  }
  .nav-aside nav ul {
    padding: 0 6px;
    gap: 0;
  }
  .nav-aside nav ul li a {
    padding: 10px 8px;
    font-size: 0.92rem;
  }
  .brand-name {
    font-size: 0.5rem;
  }
  .hero-section {
    min-height: 70vh;
    border-radius: 6px;
  }
  .cat-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .td-desc { display: none; }
  .table-wrap { font-size: 0.95rem; }
  h2 { font-size: 0.55rem; }
  .footer-brand { font-size: 1.8rem; }
  .tag-cards-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  html { font-size: 17px; }
  .cat-grid { grid-template-columns: 1fr; }
  .brand-name { font-size: 0.42rem; }
  .announce-bar { font-size: 0.4rem; }
  .hero-section h1 { font-size: 0.65rem; }
  .neon-btn { font-size: 0.4rem; padding: 10px 14px; }
  main { padding: 0; }
  body > main { padding: 16px 10px; }
}