@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=VT323:wght@400&display=swap');

/* ===== CSS 变量 ===== */
:root {
  --mint: #b4fde1;
  --sky: #add8e6;
  --dark: #172620;
  --mint-dark: #7de8bf;
  --sky-dark: #7ab8cc;
  --white: #ffffff;
  --off-white: #f0fdf8;
  --card-bg: #c8fef0;
  --card-bg2: #bde8f5;
  --shadow-color: rgba(23, 38, 32, 0.25);
  --shadow-inner: inset -2px -2px 8px rgba(23,38,32,0.15);
  --shadow-outer: 4px 4px 0px rgba(23,38,32,0.35);
  --shadow-card: 4px 4px 0px #172620, 8px 8px 0px rgba(23,38,32,0.2);
  --radius: 18px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --border: 3px solid #172620;
  --border-thick: 4px solid #172620;
  --font-pixel: 'Press Start 2P', monospace;
  --font-vt: 'VT323', monospace;
  --font-sys: system-ui, -apple-system, sans-serif;
  --transition: 200ms ease-out;
  --bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-vt);
  font-size: 1.25rem;
  line-height: 1.6;
  background-color: var(--off-white);
  color: var(--dark);
  min-height: 100vh;
}

a { color: var(--dark); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* ===== Page Wrap ===== */
.page-wrap {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ===== 导航 ===== */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--mint);
  border-bottom: var(--border-thick);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  flex-wrap: wrap;
  box-shadow: 0 4px 0 rgba(23,38,32,0.2);
}

.nav-brand {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.logo-mark {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: var(--border);
  object-fit: cover;
}

.logo-text-mark {
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  color: var(--dark);
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.6rem;
  display: inline-block;
  box-shadow: var(--shadow-outer);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
}

.site-nav > ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.site-nav > ol > li > a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.4rem 1rem;
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius-pill);
  font-family: var(--font-vt);
  font-size: 1.1rem;
  color: var(--dark);
  box-shadow: 3px 3px 0 var(--dark);
  transition: transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

.site-nav > ol > li > a:hover,
.site-nav > ol > li > a[aria-current="page"] {
  background: var(--sky);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--dark);
  text-decoration: none;
}

/* ===== 按钮 ===== */
.btn-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.5rem 1.5rem;
  border: var(--border);
  border-radius: var(--radius-pill);
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  cursor: pointer;
  background: var(--white);
  color: var(--dark);
  box-shadow: 3px 3px 0 var(--dark);
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none !important;
}

.btn-pill:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--dark);
}

.btn-pill:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--dark);
}

.btn-primary {
  background: var(--mint);
}

.btn-primary:hover {
  background: var(--mint-dark);
}

/* ===== Clay Card ===== */
.clay-card {
  background: var(--card-bg);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 1.25rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.clay-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--dark), 10px 10px 0 rgba(23,38,32,0.15);
}

/* ===== Hero ===== */
.hero-section {
  min-height: 100vh;
  background: linear-gradient(160deg, var(--mint) 0%, var(--sky) 60%, #d4f0ff 100%);
  border-bottom: var(--border-thick);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  max-width: 680px;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  background: var(--dark);
  color: var(--mint);
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1.5rem;
  box-shadow: 3px 3px 0 var(--mint-dark);
  letter-spacing: 0.05em;
}

.hero-h1 {
  font-family: var(--font-pixel);
  font-size: clamp(0.9rem, 3vw, 1.6rem);
  line-height: 1.8;
  color: var(--dark);
  margin-bottom: 1.25rem;
  text-shadow: 3px 3px 0 rgba(23,38,32,0.15);
}

.hero-desc {
  font-family: var(--font-vt);
  font-size: 1.4rem;
  line-height: 1.6;
  color: var(--dark);
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-deco {
  position: absolute;
  right: 5%;
  bottom: 10%;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  z-index: 1;
  pointer-events: none;
}

.bubble {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: var(--border);
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  color: var(--dark);
  box-shadow: var(--shadow-inner), var(--shadow-outer);
  animation: floatBubble 3s ease-in-out infinite;
}

.bubble.b1 { background: var(--mint); animation-delay: 0s; }
.bubble.b2 { background: var(--sky); animation-delay: 0.5s; }
.bubble.b3 { background: #ffd6e0; animation-delay: 1s; }
.bubble.b4 { background: #fff0b3; animation-delay: 1.5s; }

@keyframes floatBubble {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ===== 内容区 + 侧边栏 ===== */
.content-section,
.cat-content-section,
.about-body-section,
.privacy-body-section,
.entry-body-section,
.default-body-section {
  display: flex;
  gap: 2rem;
  max-width: 1200px;
  margin: 3rem auto;
  padding: 0 1.5rem;
  align-items: flex-start;
}

.content-body {
  flex: 1;
  min-width: 0;
  font-family: var(--font-vt);
  font-size: 1.25rem;
  line-height: 1.7;
}

.content-body h2 {
  font-family: var(--font-pixel);
  font-size: 0.8rem;
  margin: 2rem 0 1rem;
  color: var(--dark);
}

.content-body h3 {
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  margin: 1.5rem 0 0.75rem;
}

.content-body p { margin-bottom: 1rem; }
.content-body ul, .content-body ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.content-body li { margin-bottom: 0.5rem; list-style: disc; }
.content-body a { color: var(--dark); text-decoration: underline; font-weight: bold; }
.content-body strong { font-weight: bold; }

/* ===== 侧边栏 ===== */
.sidebar {
  width: 260px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.aside-inner {
  background: var(--card-bg2);
}

.aside-inner h3 {
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  margin-bottom: 1rem;
  color: var(--dark);
}

.aside-inner ul li {
  margin-bottom: 0.5rem;
}

.aside-inner ul li a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-vt);
  font-size: 1.1rem;
  color: var(--dark);
  transition: background var(--transition);
  width: 100%;
}

.aside-inner ul li a:hover {
  background: var(--mint);
  text-decoration: none;
}

/* ===== 分类网格 ===== */
.categories-section {
  max-width: 1200px;
  margin: 3rem auto;
  padding: 0 1.5rem 4rem;
}

.categories-section > h2 {
  font-family: var(--font-pixel);
  font-size: 0.9rem;
  margin-bottom: 2rem;
  color: var(--dark);
}

.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.cat-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cat-card h3 {
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  color: var(--dark);
}

.cat-card p {
  font-family: var(--font-vt);
  font-size: 1.1rem;
  color: var(--dark);
  line-height: 1.5;
}

.entry-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.entry-list li {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.entry-list li a {
  font-family: var(--font-vt);
  font-size: 1.1rem;
  color: var(--dark);
  font-weight: bold;
  padding: 0.2rem 0;
}

.entry-list li a:hover { text-decoration: underline; }

.entry-list li small {
  font-family: var(--font-vt);
  font-size: 0.95rem;
  color: rgba(23,38,32,0.65);
}

/* ===== 分类页 Hero ===== */
.cat-hero-section,
.about-hero-section,
.privacy-hero-section,
.default-hero-section {
  background: linear-gradient(135deg, var(--sky) 0%, var(--mint) 100%);
  border-bottom: var(--border-thick);
  padding: 4rem 2rem 3rem;
  max-width: 100%;
}

.cat-hero-section h1,
.about-hero-section h1,
.privacy-hero-section h1,
.default-hero-section h1 {
  font-family: var(--font-pixel);
  font-size: clamp(0.7rem, 2.5vw, 1.2rem);
  line-height: 2;
  color: var(--dark);
  max-width: 900px;
  margin: 1rem 0;
}

.cat-hero-section time,
.about-hero-section time,
.privacy-hero-section time,
.default-hero-section time {
  font-family: var(--font-vt);
  font-size: 1.1rem;
  color: rgba(23,38,32,0.7);
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  font-family: var(--font-vt);
  font-size: 1.1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem;
  color: var(--dark);
  margin-bottom: 0.75rem;
}

.breadcrumb a { color: var(--dark); text-decoration: underline; }

/* ===== 入口列表 ===== */
.entries-section {
  max-width: 1200px;
  margin: 3rem auto;
  padding: 0 1.5rem 4rem;
}

.entries-section > h2 {
  font-family: var(--font-pixel);
  font-size: 0.8rem;
  margin-bottom: 2rem;
}

.entry-ol {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.entry-li {
  display: flex;
}

.entry-card {
  background: var(--card-bg);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
  animation: staggerFadeIn 0.4s var(--bounce) both;
}

.entry-link {
  display: block;
}

.entry-title {
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  line-height: 1.8;
  color: var(--dark);
  display: block;
}

.entry-card small {
  font-family: var(--font-vt);
  font-size: 1rem;
  color: rgba(23,38,32,0.7);
  line-height: 1.4;
}

.entry-date {
  font-family: var(--font-vt);
  font-size: 0.9rem;
  color: rgba(23,38,32,0.55);
}

@keyframes staggerFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Entry 页 ===== */
.entry-header-section {
  background: linear-gradient(135deg, var(--mint) 0%, var(--sky) 100%);
  border-bottom: var(--border-thick);
  padding: 4rem 2rem 2.5rem;
}

.entry-header-section h1 {
  font-family: var(--font-pixel);
  font-size: clamp(0.65rem, 2vw, 1rem);
  line-height: 2;
  color: var(--dark);
  margin: 1rem 0;
  max-width: 800px;
}

.entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-top: 0.75rem;
}

.pub-date, .mod-date {
  font-family: var(--font-vt);
  font-size: 1.1rem;
  color: rgba(23,38,32,0.7);
}

.entry-cat-badge {
  display: inline-block;
  background: var(--dark);
  color: var(--mint);
  font-family: var(--font-pixel);
  font-size: 0.5rem;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-pill);
  min-height: 30px;
  line-height: 1.8;
}

.entry-cat-badge:hover { text-decoration: none; background: #1e3a2e; }

.entry-hero-img-wrap {
  margin-top: 1.5rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: var(--border);
  box-shadow: var(--shadow-card);
  max-width: 700px;
}

.entry-hero-img { width: 100%; height: auto; }

/* ===== 相关推荐 ===== */
.related-section,
.about-extra-section,
.privacy-nav-section,
.default-extra-section {
  max-width: 1200px;
  margin: 3rem auto;
  padding: 0 1.5rem 4rem;
}

.related-section > h2,
.about-extra-section > h2,
.privacy-nav-section > h2,
.default-extra-section > h2 {
  font-family: var(--font-pixel);
  font-size: 0.8rem;
  margin-bottom: 1.5rem;
  color: var(--dark);
}

.related-ol {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.related-li {
  background: var(--card-bg2);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.related-li a {
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  line-height: 1.8;
  color: var(--dark);
  display: block;
}

.related-li a:hover { text-decoration: underline; }

.related-li small {
  font-family: var(--font-vt);
  font-size: 1rem;
  color: rgba(23,38,32,0.7);
}

/* ===== About 分类列表 ===== */
.about-cats-ol {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.about-cat-li {
  background: var(--card-bg);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.about-cat-li a {
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  line-height: 1.8;
  color: var(--dark);
  display: block;
}

.about-cat-li a:hover { text-decoration: underline; }

.about-cat-li small {
  font-family: var(--font-vt);
  font-size: 1rem;
  color: rgba(23,38,32,0.7);
}

/* ===== About/Privacy 特有标签 ===== */
.about-badge {
  display: inline-block;
  background: var(--dark);
  color: var(--mint);
  font-family: var(--font-pixel);
  font-size: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1.25rem;
  box-shadow: 3px 3px 0 var(--mint-dark);
  letter-spacing: 0.04em;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark);
  color: var(--mint);
  border-top: var(--border-thick);
  border-top-color: var(--mint);
  margin-top: auto;
}

.footer-brand-block {
  padding: 3rem 2rem 2rem;
  border-bottom: 2px solid rgba(180,253,225,0.2);
  text-align: left;
}

.footer-brand-big {
  font-family: var(--font-pixel);
  font-size: clamp(1.2rem, 5vw, 3rem);
  color: var(--mint);
  display: block;
  letter-spacing: 0.05em;
  text-shadow: 4px 4px 0 rgba(173,216,230,0.4);
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.footer-brand-desc {
  font-family: var(--font-vt);
  font-size: 1.2rem;
  color: rgba(180,253,225,0.75);
  max-width: 540px;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 2.5rem 2rem;
  border-bottom: 2px solid rgba(180,253,225,0.15);
}

.footer-col h4 {
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  color: var(--sky);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col ul li a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  font-family: var(--font-vt);
  font-size: 1.1rem;
  color: rgba(180,253,225,0.85);
  padding: 0.15rem 0;
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--mint);
  text-decoration: underline;
}

.footer-col address {
  font-style: normal;
  font-family: var(--font-vt);
  font-size: 1.1rem;
  color: rgba(180,253,225,0.65);
  line-height: 1.7;
}

.footer-bottom {
  padding: 1.5rem 2rem;
  text-align: center;
  font-family: var(--font-vt);
  font-size: 1rem;
  color: rgba(180,253,225,0.5);
}

/* ===== h2/h3 span 装饰 ===== */
h2 > span, h3 > span {
  display: inline;
  position: relative;
}

/* ===== main > section > div 基础 ===== */
main { flex: 1; }
main > section { display: block; }
main > section > div { display: block; }

/* ===== 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;
  }
  .bubble { animation: none; }
  .clay-card:hover { transform: none; }
  .btn-pill:hover { transform: none; }
  .site-nav > ol > li > a:hover { transform: none; }
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .footer-cols {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .site-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
  }

  .site-nav > ol {
    gap: 0.4rem;
  }

  .site-nav > ol > li > a {
    font-size: 0.9rem;
    padding: 0.4rem 0.7rem;
    min-height: 40px;
  }

  .hero-section {
    padding: 5rem 1.25rem 3rem;
  }

  .hero-deco {
    display: none;
  }

  .hero-h1 {
    font-size: 0.8rem;
  }

  .content-section,
  .cat-content-section,
  .about-body-section,
  .privacy-body-section,
  .entry-body-section,
  .default-body-section {
    flex-direction: column;
    padding: 0 1rem;
    margin: 2rem auto;
  }

  .sidebar {
    width: 100%;
  }

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

  .entry-ol {
    grid-template-columns: 1fr;
  }

  .related-ol,
  .about-cats-ol {
    grid-template-columns: 1fr;
  }

  .footer-cols {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    padding: 1.5rem 1rem;
  }

  .footer-brand-block {
    padding: 2rem 1rem 1.5rem;
  }

  .footer-brand-big {
    font-size: clamp(1rem, 8vw, 2rem);
  }

  .cat-hero-section,
  .about-hero-section,
  .privacy-hero-section,
  .default-hero-section,
  .entry-header-section {
    padding: 3rem 1rem 2rem;
  }

  .categories-section,
  .entries-section,
  .related-section,
  .about-extra-section,
  .privacy-nav-section,
  .default-extra-section {
    padding: 0 1rem 3rem;
    margin: 2rem auto;
  }
}

@media (max-width: 480px) {
  body { font-size: 1.1rem; }

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

  .logo-text-mark {
    max-width: 90px;
    font-size: 0.5rem;
  }

  .footer-col ul li a {
    min-height: 44px;
  }
}