/* ===== Google Fonts ===== */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@300;400;500;600;700&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

/* ===== CSS 变量 ===== */
:root {
  --c-bg: #0D0D0D;
  --c-surface: #2A2A2A;
  --c-accent: #E8FF00;
  --c-accent-dim: rgba(232,255,0,0.15);
  --c-text: #F0F0F0;
  --c-text-muted: #888888;
  --c-border: rgba(232,255,0,0.3);
  --c-border-dim: rgba(255,255,255,0.1);
  --font-head: 'Archivo', 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Space Grotesk', 'Archivo', system-ui, sans-serif;
  --nav-h: 64px;
  --max-w: 1280px;
  --gutter: clamp(16px, 4vw, 48px);
  --radius: 0;
  --transition: 0.2s cubic-bezier(0.4,0,0.2,1);
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--c-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { display: block; max-width: 100%; height: auto; }
ol, ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea { font: inherit; }

/* ===== 点阵底纹 ===== */
.hero-dot-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(232,255,0,0.18) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

/* ===== 站点包裹 ===== */
.site-wrap { min-height: 100vh; display: flex; flex-direction: column; }

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(13,13,13,0.95);
  border-bottom: 1px solid var(--c-border);
  backdrop-filter: blur(8px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: var(--nav-h);
}
.brand {
  font-family: var(--font-head);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: -0.02em;
  white-space: nowrap;
  flex-shrink: 0;
}
.brand:hover { text-decoration: none; opacity: 0.85; }

/* 汉堡 */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  min-height: 40px;
  min-width: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-border);
  transition: border-color var(--transition);
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-accent);
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger:hover { border-color: var(--c-accent); }
.hamburger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-active span:nth-child(2) { opacity: 0; }
.hamburger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 搜索框 */
.header-search { flex: 1; max-width: 280px; margin-left: auto; }
.search-form {
  display: flex;
  border: 1px solid var(--c-border);
  background: var(--c-surface);
}
.search-form input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--c-text);
  padding: 8px 12px;
  font-size: 0.875rem;
  min-height: 40px;
  outline: none;
}
.search-form input::placeholder { color: var(--c-text-muted); }
.search-form button {
  padding: 8px 14px;
  color: var(--c-accent);
  font-size: 1.1rem;
  min-height: 40px;
  min-width: 40px;
  transition: background var(--transition);
}
.search-form button:hover { background: var(--c-accent-dim); }

/* 主导航 */
.main-nav {
  border-top: 1px solid var(--c-border-dim);
  background: rgba(13,13,13,0.98);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.main-nav ol {
  display: flex;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.main-nav ol li a {
  display: block;
  padding: 10px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--c-text-muted);
  white-space: nowrap;
  min-height: 40px;
  line-height: 20px;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.main-nav ol li a:hover {
  color: var(--c-accent);
  border-bottom-color: var(--c-accent);
  text-decoration: none;
}

/* ===== 全屏遮罩菜单 ===== */
.fullscreen-menu {
  position: fixed;
  inset: 0;
  background: rgba(13,13,13,0.98);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.fullscreen-menu.is-open {
  opacity: 1;
  pointer-events: all;
}
.menu-close {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 1.5rem;
  color: var(--c-text);
  min-height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-border);
  transition: color var(--transition), border-color var(--transition);
}
.menu-close:hover { color: var(--c-accent); border-color: var(--c-accent); }
.fullscreen-menu nav ol {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.fullscreen-menu nav ol li a {
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  font-weight: 700;
  color: var(--c-text);
  padding: 12px 24px;
  min-height: 48px;
  display: block;
  text-align: center;
  letter-spacing: -0.02em;
  transition: color var(--transition);
}
.fullscreen-menu nav ol li a:hover { color: var(--c-accent); text-decoration: none; }

/* ===== HERO (首页) ===== */
.hero-section {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--c-border);
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(48px, 8vh, 96px) var(--gutter);
  gap: 32px;
}
.hero-text-block {
  text-align: right;
  max-width: 700px;
}
.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--c-accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.hero-h1 {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--c-text);
  margin-bottom: 24px;
  background: linear-gradient(135deg, #ffffff 0%, #E8FF00 60%, #aabb00 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--c-text-muted);
  margin-bottom: 32px;
  line-height: 1.6;
}
.hero-cta {
  display: inline-block;
  padding: 14px 32px;
  background: var(--c-accent);
  color: var(--c-bg);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  border: 2px solid var(--c-accent);
  min-height: 48px;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.hero-cta:hover {
  background: transparent;
  color: var(--c-accent);
  text-decoration: none;
  transform: translateY(-2px);
}
.hero-media { width: 100%; max-width: 600px; }
.hero-media-img { width: 100%; object-fit: cover; border: 1px solid var(--c-border); }

/* ===== 栏目/词条/关于/隐私 Banner ===== */
.cat-hero, .tag-hero, .about-banner, .privacy-banner, .entry-banner {
  position: relative;
  min-height: 40vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--c-border);
}
.cat-hero-inner, .tag-hero-inner, .about-banner-inner, .privacy-banner-inner, .entry-banner-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(40px, 7vh, 80px) var(--gutter);
  width: 100%;
  text-align: right;
}
.cat-eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--c-accent);
  margin-bottom: 12px;
}
.cat-eyebrow a { color: var(--c-accent); }
.cat-h1, .tag-h1, .about-h1, .privacy-h1, .entry-h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--c-text);
  margin-bottom: 16px;
  background: linear-gradient(135deg, #ffffff 0%, #E8FF00 70%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cat-desc {
  font-size: 1rem;
  color: var(--c-text-muted);
  max-width: 520px;
  margin-left: auto;
}
.entry-breadcrumb {
  font-size: 0.8rem;
  color: var(--c-text-muted);
  margin-bottom: 12px;
}
.entry-breadcrumb a { color: var(--c-text-muted); }
.entry-breadcrumb a:hover { color: var(--c-accent); }
.entry-pub-date {
  display: block;
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--c-text-muted);
  letter-spacing: 0.05em;
}

/* ===== 粘性锚点条 ===== */
.sticky-anchor-bar {
  position: sticky;
  top: var(--nav-h);
  z-index: 800;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border-dim);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.anchor-inner {
  display: flex;
  align-items: center;
  gap: 4px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 8px var(--gutter);
  white-space: nowrap;
}
.anchor-label {
  font-size: 0.75rem;
  color: var(--c-text-muted);
  margin-right: 8px;
  flex-shrink: 0;
}
.anchor-inner a {
  font-size: 0.8rem;
  color: var(--c-text-muted);
  padding: 6px 12px;
  border: 1px solid var(--c-border-dim);
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  transition: color var(--transition), border-color var(--transition);
}
.anchor-inner a:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
  text-decoration: none;
}

/* ===== MAIN CONTENT ===== */
.main-content { flex: 1; max-width: var(--max-w); margin: 0 auto; width: 100%; padding: clamp(32px, 5vh, 64px) var(--gutter); }

/* ===== 正文主 article（契约：main > article > figure/aside） ===== */
.content-section {
  display: grid;
  grid-template-columns: 1fr 280px;
  grid-template-rows: auto 1fr;
  column-gap: 48px;
  row-gap: 0;
  margin-bottom: 64px;
  position: relative;
}
.content-figure {
  grid-column: 1;
  grid-row: 1;
  margin-bottom: 24px;
  border: 1px solid var(--c-border-dim);
  overflow: hidden;
  max-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-surface);
}
.entry-figure { max-height: 400px; }
.fig-accent {
  font-family: var(--font-head);
  font-size: clamp(4rem, 12vw, 9rem);
  font-weight: 700;
  color: rgba(232,255,0,0.07);
  letter-spacing: -0.05em;
  user-select: none;
  line-height: 1;
}
.fig-number {
  font-family: var(--font-head);
  font-size: clamp(5rem, 14vw, 11rem);
  font-weight: 700;
  color: rgba(232,255,0,0.06);
  letter-spacing: -0.06em;
  user-select: none;
  line-height: 1;
}
.entry-hero-img { width: 100%; height: 100%; object-fit: cover; }

.prose-wrap {
  grid-column: 1;
  grid-row: 2;
}
.content-aside {
  grid-column: 2;
  grid-row: 1 / 3;
  border-left: 1px solid var(--c-border-dim);
  padding-left: 32px;
  position: sticky;
  top: calc(var(--nav-h) + 16px);
  height: fit-content;
  align-self: start;
}

/* ===== 正文排版 ===== */
.prose-wrap h2, .prose-wrap h3 {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--c-text);
  margin: 2em 0 0.75em;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.prose-wrap h2 { font-size: clamp(1.3rem, 3vw, 1.9rem); }
.prose-wrap h3 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }
.prose-wrap h2 > span, .prose-wrap h3 > span {
  border-bottom: 2px solid var(--c-accent);
  padding-bottom: 2px;
}
.prose-wrap p { margin-bottom: 1.4em; color: var(--c-text); }
.prose-wrap ul, .prose-wrap ol { margin: 1em 0 1.4em 1.4em; }
.prose-wrap ul { list-style: disc; }
.prose-wrap ol { list-style: decimal; }
.prose-wrap li { margin-bottom: 0.5em; }
.prose-wrap a { color: var(--c-accent); border-bottom: 1px solid var(--c-border); }
.prose-wrap a:hover { border-bottom-color: var(--c-accent); text-decoration: none; }
.prose-wrap strong { color: var(--c-accent); font-weight: 600; }
.prose-wrap code {
  background: var(--c-surface);
  border: 1px solid var(--c-border-dim);
  padding: 2px 6px;
  font-size: 0.875em;
}
.prose-wrap blockquote {
  border-left: 3px solid var(--c-accent);
  padding-left: 20px;
  color: var(--c-text-muted);
  margin: 1.5em 0;
}
.update-date {
  font-size: 0.82rem;
  color: var(--c-text-muted);
  margin-top: 2em;
  padding-top: 1em;
  border-top: 1px solid var(--c-border-dim);
}

/* ===== ASIDE ===== */
.aside-title {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--c-accent);
  text-transform: uppercase;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-border-dim);
}
.aside-title + .aside-title, .aside-title--related { margin-top: 28px; }
.aside-links { display: flex; flex-direction: column; gap: 4px; margin-bottom: 8px; }
.aside-links li { }
.aside-links li a {
  display: flex;
  flex-direction: column;
  padding: 8px 10px;
  font-size: 0.85rem;
  color: var(--c-text-muted);
  border: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  min-height: 40px;
  justify-content: center;
}
.aside-links li a:hover {
  color: var(--c-accent);
  border-color: var(--c-border);
  background: var(--c-accent-dim);
  text-decoration: none;
}
.aside-links li small {
  font-size: 0.75rem;
  color: var(--c-text-muted);
  margin-top: 2px;
}
.aside-tags, .aside-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}
.aside-tags a, .aside-tag-cloud a {
  font-size: 0.8rem;
  color: var(--c-text-muted);
  border: 1px solid var(--c-border-dim);
  padding: 4px 10px;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  transition: color var(--transition), border-color var(--transition);
}
.aside-tags a:hover, .aside-tag-cloud a:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
  text-decoration: none;
}

/* ===== article 标题 ===== */
.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--c-text);
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--c-border-dim);
  line-height: 1.15;
}
.section-title span { border-bottom: 2px solid var(--c-accent); padding-bottom: 2px; }

/* ===== 频道卡片网格（首页）===== */
.channels-section { margin-bottom: 64px; }
.channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 2px;
}
.channel-card a {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: var(--c-surface);
  border: 1px solid var(--c-border-dim);
  min-height: 140px;
  transition: border-color var(--transition), background var(--transition);
  position: relative;
  overflow: hidden;
}
.channel-card a::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.channel-card a:hover { border-color: var(--c-border); background: #1a1a1a; text-decoration: none; }
.channel-card a:hover::before { transform: scaleX(1); }
.card-index {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.card-title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-text);
  line-height: 1.3;
  margin-bottom: 8px;
  flex: 1;
}
.card-desc {
  font-size: 0.8rem;
  color: var(--c-text-muted);
  line-height: 1.5;
}

/* ===== 子页卡片（首页）===== */
.children-section { margin-bottom: 64px; }
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 2px;
}
.entry-card a {
  display: flex;
  flex-direction: column;
  padding: 20px;
  background: var(--c-surface);
  border: 1px solid var(--c-border-dim);
  min-height: 100px;
  transition: border-color var(--transition), background var(--transition);
}
.entry-card a:hover { border-color: var(--c-border); background: #1a1a1a; text-decoration: none; }

/* ===== 词条列表（栏目/标签页）===== */
.entry-list { display: flex; flex-direction: column; gap: 2px; }
.entry-list-item a {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 24px;
  background: var(--c-surface);
  border: 1px solid var(--c-border-dim);
  min-height: 72px;
  transition: border-color var(--transition), background var(--transition);
}
.entry-list-item a:hover { border-color: var(--c-border); background: #1a1a1a; text-decoration: none; }
.entry-num {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: 0.08em;
  flex-shrink: 0;
  min-width: 28px;
}
.entry-info {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 4px;
}
.entry-info strong { font-size: 0.95rem; color: var(--c-text); font-weight: 600; }
.entry-info small { font-size: 0.78rem; color: var(--c-text-muted); }
.entry-date {
  font-size: 0.75rem;
  color: var(--c-text-muted);
  flex-shrink: 0;
  margin-left: auto;
}

/* ===== 标签云 ===== */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag-cloud a {
  font-size: 0.85rem;
  color: var(--c-text-muted);
  border: 1px solid var(--c-border-dim);
  padding: 6px 14px;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.tag-cloud a:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
  background: var(--c-accent-dim);
  text-decoration: none;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  margin-top: auto;
}
.footer-top {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 56px var(--gutter) 40px;
}
.footer-brand .footer-logo {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-accent);
  display: block;
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 0.82rem;
  color: var(--c-text-muted);
  line-height: 1.6;
}
.footer-links h3, .footer-tags h3, .footer-contact h3 {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--c-accent);
  text-transform: uppercase;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-border-dim);
}
.footer-links h3 span, .footer-tags h3 span, .footer-contact h3 span { border-bottom: none; }
.footer-links nav ol { display: flex; flex-direction: column; gap: 4px; }
.footer-links nav ol li a {
  font-size: 0.85rem;
  color: var(--c-text-muted);
  display: block;
  padding: 5px 0;
  min-height: 32px;
  line-height: 22px;
  transition: color var(--transition);
}
.footer-links nav ol li a:hover { color: var(--c-accent); text-decoration: none; }
.footer-info {
  font-size: 0.78rem;
  color: var(--c-text-muted);
  margin-top: 12px;
  line-height: 1.5;
}

/* 订阅表单 */
.subscribe-form { display: flex; flex-direction: column; gap: 8px; }
.subscribe-form input {
  background: var(--c-bg);
  border: 1px solid var(--c-border-dim);
  color: var(--c-text);
  padding: 10px 12px;
  font-size: 0.85rem;
  min-height: 40px;
  outline: none;
  transition: border-color var(--transition);
}
.subscribe-form input:focus { border-color: var(--c-accent); }
.subscribe-form input::placeholder { color: var(--c-text-muted); }
.subscribe-form button {
  background: var(--c-accent);
  color: var(--c-bg);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 10px 16px;
  min-height: 40px;
  transition: background var(--transition), color var(--transition);
}
.subscribe-form button:hover { background: transparent; color: var(--c-accent); border: 1px solid var(--c-accent); }

/* Footer 底栏 */
.footer-bottom {
  border-top: 1px solid var(--c-border-dim);
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 20px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-bottom nav ol { display: flex; gap: 16px; }
.footer-bottom nav ol li a {
  font-size: 0.8rem;
  color: var(--c-text-muted);
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  transition: color var(--transition);
}
.footer-bottom nav ol li a:hover { color: var(--c-accent); text-decoration: none; }
.copyright {
  font-size: 0.78rem;
  color: var(--c-text-muted);
  text-align: center;
}

/* ===== 动效 ===== */
@keyframes kinetic-in {
  from { opacity: 0; transform: translateY(32px) skewY(2deg); }
  to { opacity: 1; transform: translateY(0) skewY(0deg); }
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes blink-cursor {
  0%, 100% { border-right-color: var(--c-accent); }
  50% { border-right-color: transparent; }
}

.js-kinetic {
  animation: kinetic-in 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.js-reveal {
  opacity: 0;
  transform: translateY(20px);
}
.js-reveal.is-visible {
  animation: fade-up 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@media (prefers-reduced-motion: reduce) {
  .js-kinetic { animation: none; }
  .js-reveal { opacity: 1; transform: none; }
  .js-reveal.is-visible { animation: none; }
  * { transition-duration: 0.01ms !important; }
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .content-section {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }
  .content-figure { grid-column: 1; grid-row: 1; }
  .prose-wrap { grid-column: 1; grid-row: 2; }
  .content-aside {
    grid-column: 1;
    grid-row: 3;
    border-left: none;
    border-top: 1px solid var(--c-border-dim);
    padding-left: 0;
    padding-top: 24px;
    position: static;
  }
  .footer-top { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --nav-h: 56px; }
  .main-nav { display: none; }
  .hero-section { min-height: 60vh; }
  .cat-hero, .tag-hero, .about-banner, .privacy-banner, .entry-banner { min-height: 35vh; }
  .hero-h1 { -webkit-text-fill-color: var(--c-text); background: none; }
  .cat-h1, .tag-h1, .about-h1, .privacy-h1, .entry-h1 {
    -webkit-text-fill-color: var(--c-text);
    background: none;
    color: var(--c-text);
  }
  .channels-grid { grid-template-columns: 1fr 1fr; }
  .cards-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .entry-list-item a { flex-wrap: wrap; gap: 12px; }
  .entry-date { width: 100%; margin-left: 48px; }
  .header-search { max-width: 180px; }
}

@media (max-width: 480px) {
  .channels-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; }
  .header-search { display: none; }
  .header-inner { gap: 12px; }
}