/* ============================================================
   色悠悠电影网 — Raw Zine Style on Near-Black
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&family=JetBrains+Mono:wght@400&family=Playfair+Display:ital@1&display=swap');

/* ── 自定义属性 ── */
:root {
  --c-ink:    #1a1a1a;
  --c-mid:    #4a4a4a;
  --c-paper:  #fafaf8;
  --c-red:    #c0392b;
  --c-red2:   #e84118;
  --c-dim:    #2a2a2a;
  --c-border: #333333;
  --c-muted:  #888;

  --ff-head: 'Inter', system-ui, sans-serif;
  --ff-body: 'Inter', system-ui, sans-serif;
  --ff-mono: 'JetBrains Mono', monospace;
  --ff-serif: 'Playfair Display', Georgia, serif;

  --radius-card: 18px;
  --max-w: 1200px;
  --aside-w: 280px;
  --gap: 2rem;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--ff-body);
  background: var(--c-ink);
  color: var(--c-paper);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
ol, ul { list-style: none; }
button, input, select, textarea { font: inherit; }

/* ── 纸质底纹 ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.07'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: .55;
}

/* ── 工具 ── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ── 页面骨架 ── */
.page-wrapper { position: relative; z-index: 1; display: flex; flex-direction: column; min-height: 100vh; }

/* ============================================================
   顶栏
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(26,26,26,0.96);
  border-bottom: 1px solid var(--c-border);
  backdrop-filter: blur(6px);
}
.site-header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: .6rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.site-brand {
  display: flex; align-items: center; gap: .5rem;
  font-family: var(--ff-head);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -.02em;
  color: var(--c-paper);
  white-space: nowrap;
  flex-shrink: 0;
  text-decoration: none;
}
.brand-mark { border-radius: 4px; }
.brand-text { line-height: 1; }

/* 导航 — nav > ol > li > a */
.site-nav { flex: 1; overflow: hidden; }
.site-nav ol {
  display: flex;
  align-items: center;
  gap: .1rem;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}
.site-nav ol::-webkit-scrollbar { display: none; }
.site-nav ol li a {
  display: block;
  padding: .55rem .7rem;
  font-size: .82rem;
  font-weight: 600;
  color: var(--c-muted);
  border-radius: 6px;
  white-space: nowrap;
  min-height: 40px;
  line-height: 1;
  display: flex; align-items: center;
  transition: color .15s, background .15s;
}
.site-nav ol li a:hover,
.site-nav ol li a:focus-visible {
  color: var(--c-paper);
  background: var(--c-dim);
  text-decoration: none;
}

/* 搜索框 */
.header-search {
  display: flex;
  align-items: center;
  gap: .3rem;
  flex-shrink: 0;
}
.header-search input {
  background: var(--c-dim);
  border: 1px solid var(--c-border);
  color: var(--c-paper);
  border-radius: 8px;
  padding: .45rem .75rem;
  font-size: .82rem;
  width: 140px;
  min-height: 40px;
}
.header-search input::placeholder { color: var(--c-muted); }
.header-search button {
  background: var(--c-red);
  color: var(--c-paper);
  border: none;
  border-radius: 8px;
  padding: .45rem .75rem;
  font-size: .82rem;
  font-weight: 700;
  cursor: pointer;
  min-height: 40px;
  min-width: 40px;
}
.header-search button:hover { background: var(--c-red2); }

/* 汉堡 */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--c-border);
  color: var(--c-paper);
  border-radius: 6px;
  padding: .45rem .65rem;
  font-size: 1rem;
  cursor: pointer;
  min-height: 40px;
  min-width: 40px;
}

/* 移动端导航 */
.mobile-nav {
  background: var(--c-dim);
  border-top: 1px solid var(--c-border);
  padding: .75rem 1.5rem;
}
.mobile-nav ol { display: flex; flex-wrap: wrap; gap: .4rem; }
.mobile-nav ol li a {
  display: block;
  padding: .5rem .85rem;
  background: var(--c-ink);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--c-paper);
  min-height: 40px;
  display: flex; align-items: center;
}
.mobile-nav ol li a:hover { background: var(--c-red); text-decoration: none; }

/* ============================================================
   主内容区（两栏：正文 + 侧边）
   ============================================================ */
.site-main {
  flex: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  padding: 2rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr var(--aside-w);
  gap: var(--gap);
  align-items: start;
}

/* main > article > section 三层 */
.home-article,
.channel-article,
.art-article,
.about-article,
.privacy-article { min-width: 0; }

/* ============================================================
   侧边栏
   ============================================================ */
.site-aside {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.aside-block {
  background: var(--c-dim);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  padding: 1.25rem;
}
.aside-block--notice {
  border-color: var(--c-red);
  background: rgba(192,57,43,.08);
}
.aside-title {
  font-family: var(--ff-head);
  font-size: .9rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--c-paper);
  margin-bottom: .5rem;
}
.aside-subtitle {
  font-size: .82rem;
  font-weight: 700;
  color: var(--c-muted);
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: .5rem;
}
.aside-links { display: flex; flex-direction: column; gap: .35rem; }
.aside-links li a {
  display: block;
  padding: .4rem .5rem;
  font-size: .83rem;
  color: var(--c-muted);
  border-radius: 6px;
  transition: color .12s, background .12s;
}
.aside-links li a:hover { color: var(--c-paper); background: rgba(255,255,255,.05); text-decoration: none; }
.aside-note { font-size: .8rem; color: var(--c-muted); line-height: 1.6; }
.aside-back {
  display: block;
  padding: .5rem;
  font-size: .85rem;
  color: var(--c-red);
  font-weight: 600;
}
.aside-back:hover { text-decoration: underline; }
.aside-related { display: flex; flex-direction: column; gap: .5rem; }

/* ============================================================
   Hero（首页）
   ============================================================ */
.hero-section {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 2rem;
  padding: 4rem 0 3rem;
  position: relative;
  margin-bottom: 3rem;
}
.hero__content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  z-index: 2;
}
.hero__badge {
  display: inline-block;
  background: var(--c-red);
  color: var(--c-paper);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .25rem .65rem;
  border-radius: 4px;
  width: fit-content;
  transform: rotate(-1.2deg);
}
.hero__h1 {
  font-family: var(--ff-head);
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.03em;
  color: var(--c-paper);
}
.hero__desc {
  font-size: 1.05rem;
  color: var(--c-muted);
  max-width: 420px;
  line-height: 1.7;
}
.hero__actions { display: flex; gap: .75rem; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .7rem 1.4rem;
  border-radius: 10px;
  font-weight: 700;
  font-size: .9rem;
  cursor: pointer;
  min-height: 44px;
  transition: transform .1s;
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn--primary { background: var(--c-red); color: var(--c-paper); }
.btn--primary:hover { background: var(--c-red2); }
.btn--ghost {
  background: transparent;
  color: var(--c-paper);
  border: 1.5px solid var(--c-border);
}
.btn--ghost:hover { border-color: var(--c-paper); }

.hero__media { position: relative; z-index: 1; }
.hero__img {
  width: 100%; height: 480px;
  object-fit: cover;
  border-radius: var(--radius-card);
  filter: contrast(1.05) grayscale(.15);
}
.hero__media--placeholder {
  height: 480px;
  background: var(--c-dim);
  border-radius: var(--radius-card);
  border: 2px dashed var(--c-border);
  position: relative;
  overflow: hidden;
}
.hero__media--placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 8px,
    rgba(255,255,255,.025) 8px,
    rgba(255,255,255,.025) 9px
  );
}
.hero__tag--float {
  position: absolute;
  bottom: 2.5rem;
  right: -.5rem;
  background: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--ff-head);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .3rem .7rem;
  border-radius: 4px;
  transform: rotate(2.5deg);
  box-shadow: 0 2px 8px rgba(0,0,0,.4);
}

/* ============================================================
   区块标题
   ============================================================ */
.section-title {
  font-family: var(--ff-head);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--c-paper);
  margin-bottom: .5rem;
}
hr {
  border: none;
  border-top: 1px solid var(--c-border);
  margin: .5rem 0 1.5rem;
}
/* 手绘感 hr */
hr::after {
  content: '';
  display: block;
  margin-top: 2px;
  border-top: 1px solid rgba(255,255,255,.04);
}

/* ============================================================
   正文容器（content-prose）
   ============================================================ */
.content-prose {
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(250,250,248,.88);
  margin-bottom: 2.5rem;
}
.content-prose h2 { font-size: 1.3rem; font-weight: 800; margin: 2rem 0 .4rem; color: var(--c-paper); }
.content-prose h3 { font-size: 1.1rem; font-weight: 700; margin: 1.5rem 0 .35rem; color: var(--c-paper); }
.content-prose p { margin-bottom: 1rem; }
.content-prose ul, .content-prose ol { margin: .75rem 0 1rem 1.25rem; }
.content-prose li { margin-bottom: .4rem; list-style: disc; }
.content-prose ol li { list-style: decimal; }
.content-prose a { color: var(--c-red); text-decoration: underline; }
.content-prose a:hover { color: var(--c-red2); }
.content-prose strong { font-weight: 700; color: var(--c-paper); }
.content-prose blockquote {
  border-left: 3px solid var(--c-red);
  padding: .5rem 1rem;
  margin: 1rem 0;
  color: var(--c-muted);
  font-style: italic;
}
.content-prose code {
  font-family: var(--ff-mono);
  background: var(--c-dim);
  padding: .1em .35em;
  border-radius: 4px;
  font-size: .88em;
}
.content-prose pre {
  background: var(--c-dim);
  border-radius: 8px;
  padding: 1rem;
  overflow-x: auto;
  margin: 1rem 0;
}
.content-prose hr {
  border-top-color: var(--c-border);
  margin: 1.5rem 0;
}

/* ============================================================
   首页：频道网格
   ============================================================ */
.channels-section, .articles-section {
  margin-bottom: 3rem;
}
.channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}

/* 卡片 */
.card {
  background: var(--c-dim);
  border-radius: var(--radius-card);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  border: 1px solid var(--c-border);
  position: relative;
  overflow: hidden;
}
.card--channel { border-top: 3px solid var(--c-red); }
.card--article {}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23g)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
}
.card__eyebrow {
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-red);
}
.card__title { font-size: 1rem; font-weight: 700; color: var(--c-paper); line-height: 1.35; }
.card__title a { color: inherit; text-decoration: none; }
.card__title a:hover { color: var(--c-red); text-decoration: none; }
.card__desc { font-size: .84rem; color: var(--c-muted); line-height: 1.55; flex: 1; }
.card__date { font-size: .75rem; color: var(--c-muted); font-family: var(--ff-mono); }
.card__link {
  font-size: .82rem;
  font-weight: 700;
  color: var(--c-red);
  margin-top: auto;
}
.card__link:hover { text-decoration: underline; }

/* ============================================================
   频道页
   ============================================================ */
.channel-hero {
  padding: 3rem 0 2rem;
  position: relative;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--c-border);
}
.channel-hero__inner { position: relative; z-index: 1; }
.ch-breadcrumb {
  font-size: .78rem;
  color: var(--c-muted);
  margin-bottom: .75rem;
  display: flex;
  align-items: center;
  gap: .35rem;
}
.ch-breadcrumb a { color: var(--c-muted); }
.ch-breadcrumb a:hover { color: var(--c-paper); text-decoration: none; }
.ch-label {
  display: inline-block;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-paper);
  background: var(--c-red);
  padding: .2rem .55rem;
  border-radius: 4px;
  margin-bottom: .5rem;
  transform: rotate(-.8deg);
  display: inline-block;
}
.channel-hero__h1 {
  font-family: var(--ff-head);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.025em;
  color: var(--c-paper);
  margin: .5rem 0 .75rem;
}
.ch-date {
  font-family: var(--ff-mono);
  font-size: .78rem;
  color: var(--c-muted);
  display: block;
  margin-bottom: .5rem;
}
.channel-hero__desc {
  font-size: 1rem;
  color: var(--c-muted);
  max-width: 600px;
  line-height: 1.7;
}
.ch-scratch {
  position: absolute;
  top: 1.5rem; right: 0;
  width: 180px; height: 80px;
  background: repeating-linear-gradient(
    30deg,
    transparent,
    transparent 6px,
    rgba(255,255,255,.03) 6px,
    rgba(255,255,255,.03) 7px
  );
  border-radius: 8px;
  pointer-events: none;
}

/* 子页卡片（频道页） — section > article×n */
.channel-children-section { margin-bottom: 2.5rem; }
.ch-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  background: var(--c-dim);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  padding: 1.2rem;
  margin-bottom: 1rem;
  position: relative;
  overflow: hidden;
}
.ch-card__thumb { width: 120px; height: 80px; overflow: hidden; border-radius: 10px; flex-shrink: 0; }
.ch-card__thumb img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.2); }
.ch-card__body { display: flex; flex-direction: column; gap: .35rem; min-width: 0; }
.ch-card__title { font-size: 1rem; font-weight: 700; color: var(--c-paper); }
.ch-card__title a { color: inherit; }
.ch-card__title a:hover { color: var(--c-red); text-decoration: none; }
.ch-card__desc { font-size: .84rem; color: var(--c-muted); line-height: 1.55; }
.ch-card__more { font-size: .8rem; font-weight: 700; color: var(--c-red); width: fit-content; margin-top: auto; }
.ch-card__more:hover { text-decoration: underline; }
.empty-note { color: var(--c-muted); font-style: italic; padding: 1rem 0; }

/* ============================================================
   文章页
   ============================================================ */
.art-header-section {
  padding: 2.5rem 0 1.5rem;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 2rem;
}
.art-breadcrumb {
  font-size: .78rem;
  color: var(--c-muted);
  margin-bottom: .75rem;
  display: flex;
  align-items: center;
  gap: .35rem;
  flex-wrap: wrap;
}
.art-breadcrumb a { color: var(--c-muted); }
.art-breadcrumb a:hover { color: var(--c-paper); text-decoration: none; }
.art-eyebrow {
  display: inline-block;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-red);
  margin-bottom: .4rem;
}
.art-h1 {
  font-family: var(--ff-head);
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.025em;
  color: var(--c-paper);
  margin: .4rem 0 .75rem;
}
.art-meta { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; margin-bottom: .75rem; }
.art-date { font-family: var(--ff-mono); font-size: .78rem; color: var(--c-muted); }
.art-date-mod { font-size: .76rem; color: var(--c-muted); }
.art-hero-img { margin-top: 1rem; border-radius: var(--radius-card); overflow: hidden; }
.art-hero__img { width: 100%; max-height: 400px; object-fit: cover; filter: contrast(1.05) grayscale(.1); }
.art-body-section { margin-bottom: 2.5rem; }
.art-siblings-section { margin-bottom: 2rem; }
.sib-list { display: flex; flex-direction: column; gap: .4rem; }
.sib-item {}
.sib-link {
  display: block;
  padding: .5rem .75rem;
  background: var(--c-dim);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  font-size: .88rem;
  color: var(--c-paper);
  transition: border-color .12s, background .12s;
}
.sib-link:hover { border-color: var(--c-red); background: rgba(192,57,43,.1); text-decoration: none; }

.mini-card { background: var(--c-dim); border: 1px solid var(--c-border); border-radius: 10px; overflow: hidden; }
.mini-card__link {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding: .75rem;
  text-decoration: none;
}
.mini-card__link:hover { background: rgba(255,255,255,.04); }
.mini-card__label { font-size: .65rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--c-red); }
.mini-card__title { font-size: .82rem; font-weight: 600; color: var(--c-paper); line-height: 1.4; }

/* ============================================================
   关于页
   ============================================================ */
.about-header-section {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 2rem;
  position: relative;
}
.about-decor {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1rem;
}
.about-decor__tag {
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  background: var(--c-red);
  color: var(--c-paper);
  padding: .2rem .55rem;
  border-radius: 4px;
  transform: rotate(-1.5deg);
  display: inline-block;
}
.about-decor__num {
  font-family: var(--ff-mono);
  font-size: .72rem;
  color: var(--c-muted);
  letter-spacing: .05em;
}
.about-h1 {
  font-family: var(--ff-head);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -.025em;
  line-height: 1.15;
  color: var(--c-paper);
  margin-bottom: .75rem;
}
.about-lead { font-size: 1.05rem; color: var(--c-muted); line-height: 1.7; max-width: 540px; }
.about-body-section { margin-bottom: 2.5rem; }
.about-channels-section { margin-bottom: 2rem; }
.about-channels {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}
.about-ch-item {
  background: var(--c-dim);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  padding: 1.1rem;
}
.about-ch-title { font-size: .95rem; font-weight: 700; margin-bottom: .4rem; }
.about-ch-title a { color: var(--c-paper); }
.about-ch-title a:hover { color: var(--c-red); text-decoration: none; }
.about-ch-desc { font-size: .82rem; color: var(--c-muted); line-height: 1.55; }

/* ============================================================
   隐私页
   ============================================================ */
.privacy-header-section {
  padding: 2.5rem 0 1.5rem;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 2rem;
}
.privacy-eyebrow {
  display: inline-block;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: .5rem;
}
.privacy-h1 {
  font-family: var(--ff-head);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -.025em;
  line-height: 1.2;
  color: var(--c-paper);
  margin-bottom: .5rem;
}
.privacy-updated { font-size: .8rem; color: var(--c-muted); font-family: var(--ff-mono); }
.privacy-body-section { margin-bottom: 2.5rem; }

/* ============================================================
   页脚（四栏 + 底栏）
   ============================================================ */
.site-footer {
  background: var(--c-dim);
  border-top: 1px solid var(--c-border);
  margin-top: auto;
}
.footer__top {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 3rem 1.5rem 2rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
}
.footer__contact {}
.footer__block-title {
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-paper);
  margin-bottom: .75rem;
}
.footer__contact-text { font-size: .85rem; color: var(--c-muted); margin-bottom: .75rem; line-height: 1.6; }
.footer-subscribe {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
}
.footer-subscribe input {
  background: var(--c-ink);
  border: 1px solid var(--c-border);
  color: var(--c-paper);
  border-radius: 8px;
  padding: .45rem .75rem;
  font-size: .82rem;
  flex: 1;
  min-width: 140px;
  min-height: 40px;
}
.footer-subscribe input::placeholder { color: var(--c-muted); }
.footer-subscribe button {
  background: var(--c-red);
  color: var(--c-paper);
  border: none;
  border-radius: 8px;
  padding: .45rem .85rem;
  font-size: .82rem;
  font-weight: 700;
  cursor: pointer;
  min-height: 40px;
}
.footer-subscribe button:hover { background: var(--c-red2); }
.footer__col {}
.footer-links { display: flex; flex-direction: column; gap: .45rem; }
.footer-links li a {
  font-size: .83rem;
  color: var(--c-muted);
  display: block;
  padding: .2rem 0;
  min-height: 28px;
  line-height: 1.6;
}
.footer-links li a:hover { color: var(--c-paper); text-decoration: none; }

/* 底栏 — footer 直接子级有 nav 和 div */
.footer__bar {
  border-top: 1px solid var(--c-border);
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer__bar nav ol {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
}
.footer__bar nav ol li a {
  font-size: .78rem;
  color: var(--c-muted);
  padding: .4rem .5rem;
  min-height: 40px;
  display: flex; align-items: center;
  border-radius: 5px;
}
.footer__bar nav ol li a:hover { color: var(--c-paper); text-decoration: none; }
.footer__copy { font-size: .75rem; color: var(--c-muted); text-align: center; flex: 1; }

/* ============================================================
   Scroll Reveal 动效
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .4s ease, transform .4s ease;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* Hover micro-interactions */
.card:hover, .ch-card:hover, .about-ch-item:hover {
  border-color: var(--c-mid);
  transform: translateY(-2px) rotate(-.3deg);
  transition: transform .15s, border-color .15s;
}

/* prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .card:hover, .ch-card:hover, .about-ch-item:hover { transform: none; }
  html { scroll-behavior: auto; }
}

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

@media (max-width: 860px) {
  .site-main {
    grid-template-columns: 1fr;
  }
  .site-aside {
    position: static;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
  }
  .hero-section {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 2.5rem 0;
  }
  .hero__media { display: none; }
  .hero__tag--float { display: none; }
}

@media (max-width: 640px) {
  .site-nav { display: none; }
  .header-search { display: none; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .footer__top { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer__bar { flex-direction: column; align-items: flex-start; gap: .5rem; }
  .footer__copy { text-align: left; }
  .channels-grid, .articles-grid { grid-template-columns: 1fr; }
  .about-channels { grid-template-columns: 1fr; }
  .ch-card { grid-template-columns: 1fr; }
  .ch-card__thumb { width: 100%; height: 160px; }
  .site-main { padding: 1.25rem 1rem; }
  .hero-section { padding: 1.5rem 0; }
  .hero__h1 { font-size: 1.8rem; }
  .channel-hero { padding: 2rem 0 1.25rem; }
  .channel-hero__h1 { font-size: 1.6rem; }
  .art-h1 { font-size: 1.5rem; }
  .about-h1 { font-size: 1.6rem; }
}

@media (max-width: 375px) {
  .site-header__inner { padding: .5rem .75rem; }
  body { font-size: 16px; }
}