/* ============================================================
   伟观 WEIGUAN · 站点样式
   依赖 tokens.css。组件按「基础 → 布局 → 组件 → 页面 → 响应式」组织。
   ============================================================ */

/* ---------------- 1. 基础 ---------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-feature-settings: "kern" 1, "liga" 1;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

/* 极淡纸纹：让大面积留白有质感，不干扰阅读 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .5;
  background-image:
    radial-gradient(circle at 18% 12%, rgba(169,113,63,.05), transparent 42%),
    radial-gradient(circle at 82% 88%, rgba(124,140,122,.06), transparent 46%);
}
[data-theme="dark"] body::before { opacity: .8; }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  margin: 0;
  color: var(--fg);
  text-wrap: balance;
}

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

a { color: inherit; text-decoration: none; }

img, svg { display: block; max-width: 100%; }

::selection { background: rgba(169,113,63,.22); color: var(--fg); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: 50%; top: -100px;
  transform: translateX(-50%);
  z-index: 999;
  padding: .7rem 1.2rem;
  background: var(--fg); color: var(--bg);
  border-radius: 0 0 var(--r-sm) var(--r-sm);
  font-size: var(--fs-sm);
}
.skip-link:focus { top: 0; }

.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;
}

/* ---------------- 2. 布局 ---------------- */
.wrap {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  position: relative;
  z-index: 1;
}
.wrap--narrow { max-width: var(--container-narrow); }

.section { padding-block: clamp(3.5rem, 7vw, 6.5rem); }
.section--tight { padding-block: clamp(2.5rem, 4.5vw, 4rem); }

.rule {
  height: 1px;
  border: 0;
  background: var(--border);
  margin: 0;
}

/* 区块标题：编号 + 标题 + 说明 + 右侧「全部」 */
.section-head {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: var(--s-4) var(--s-6);
  padding-bottom: var(--s-4);
  border-bottom: 1px solid var(--border);
  margin-bottom: clamp(1.75rem, 3vw, 2.75rem);
}
.section-head__kicker {
  display: flex; align-items: center; gap: .7rem;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .7rem;
}
.section-head__kicker::before {
  content: ""; width: 26px; height: 1px; background: currentColor; opacity: .55;
}
.section-head h2 { font-size: var(--fs-h2); }
.section-head__desc {
  margin: .55rem 0 0;
  color: var(--fg-muted);
  font-size: var(--fs-sm);
  max-width: 46ch;
}
.section-head__more {
  font-size: var(--fs-sm);
  color: var(--fg-soft);
  display: inline-flex; align-items: center; gap: .45rem;
  padding-bottom: .35rem;
  white-space: nowrap;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.section-head__more:hover { color: var(--accent); border-color: var(--accent); }
.section-head__more svg { transition: transform var(--dur-fast) var(--ease); }
.section-head__more:hover svg { transform: translateX(4px); }

/* ---------------- 3. 页头导航 ---------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.site-header.is-stuck { border-bottom-color: var(--border); }
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-5);
}

.brand {
  display: inline-flex; align-items: center; gap: .7rem;
  font-family: var(--font-serif);
  font-size: 1.16rem;
  letter-spacing: .06em;
  color: var(--fg);
}
.brand__mark {
  width: 30px; height: 30px; flex: none;
  display: grid; place-items: center;
  border: 1px solid var(--c-line-strong);
  border-radius: 50%;
  font-family: var(--font-serif);
  font-size: .86rem;
  color: var(--accent);
  letter-spacing: 0;
}
.brand__en {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .2em;
  color: var(--fg-muted);
  text-transform: uppercase;
}

.nav { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2.1rem); }
.nav__link {
  position: relative;
  font-size: var(--fs-sm);
  color: var(--fg-soft);
  padding-block: .4rem;
  transition: color var(--dur-fast) var(--ease);
}
.nav__link::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0;
  height: 1px; background: var(--accent);
  transition: right var(--dur) var(--ease);
}
.nav__link:hover { color: var(--fg); }
.nav__link:hover::after,
.nav__link[aria-current="page"]::after { right: 0; }
.nav__link[aria-current="page"] { color: var(--fg); }

.header-tools { display: flex; align-items: center; gap: .5rem; }

.icon-btn {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  background: transparent; color: var(--fg-soft);
  cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease);
}
.icon-btn:hover { background: var(--bg-tint); color: var(--fg); border-color: var(--border); }
.icon-btn svg { width: 18px; height: 18px; }

[data-theme="dark"] .icon-sun { display: none; }
.icon-moon { display: none; }
[data-theme="dark"] .icon-moon { display: block; }

.menu-toggle { display: none; }
.icon-close { display: none; }
.menu-open .icon-menu { display: none; }
.menu-open .icon-close { display: block; }

/* 移动端抽屉 */
.drawer {
  position: fixed; inset: var(--header-h) 0 0; z-index: 90;
  background: var(--bg);
  padding: var(--s-6) var(--gutter) var(--s-8);
  display: none;
  flex-direction: column;
  gap: .25rem;
  overflow-y: auto;
}
.drawer.is-open { display: flex; }
.drawer a.drawer__link {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
}
.drawer__num {
  font-family: var(--font-mono); font-size: var(--fs-xs);
  color: var(--fg-muted); letter-spacing: .1em;
}
.drawer__foot { margin-top: auto; padding-top: var(--s-6); color: var(--fg-muted); font-size: var(--fs-sm); }

/* ---------------- 4. Hero ---------------- */
.hero {
  position: relative;
  padding-block: clamp(3rem, 7vw, 6rem) clamp(2.5rem, 5vw, 4.5rem);
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, .85fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: end;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: clamp(1rem, 2vw, 1.5rem);
}
.eyebrow__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 16%, transparent);
}

.hero h1 {
  font-size: var(--fs-display);
  line-height: 1.08;
  letter-spacing: -.03em;
}
.hero-br { display: block; }
.hero h1 em {
  font-style: normal;
  font-size: 1.06em;
  font-weight: 700;
  color: var(--accent);
  position: relative;
  white-space: nowrap;
  padding-bottom: .04em;
}
.hero h1 em::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: .01em;
  height: 2px; background: currentColor; opacity: .5;
}
.hero__lead {
  margin: clamp(1.25rem, 2.4vw, 1.9rem) 0 0;
  max-width: 40ch;
  font-size: var(--fs-lead);
  line-height: 1.85;
  color: var(--fg-soft);
  font-family: var(--font-serif);
}

.hero__actions {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: var(--s-3) var(--s-5);
  margin-top: clamp(1.5rem, 2.6vw, 2.1rem);
}

.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .78rem 1.4rem;
  border-radius: var(--r-pill);
  font-size: var(--fs-sm);
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease),
              background-color var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.btn svg { width: 16px; height: 16px; transition: transform var(--dur-fast) var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn--primary { background: var(--fg); color: var(--bg); }
.btn--primary:hover { background: var(--accent); color: #fff; box-shadow: var(--shadow-soft); transform: translateY(-1px); }
.btn--ghost { border-color: var(--c-line-strong); color: var(--fg-soft); }
.btn--ghost:hover { border-color: var(--fg); color: var(--fg); background: var(--bg-elev); }

.link-quiet {
  font-size: var(--fs-sm);
  color: var(--fg-muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.link-quiet:hover { color: var(--accent); border-color: var(--accent); }

/* Hero 右侧：最新动态卡 */
.hero__aside { position: relative; }
.now-card {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-elev);
  padding: 1.4rem 1.5rem 1.3rem;
  box-shadow: var(--shadow-soft);
}
.now-card__label {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-mono); font-size: var(--fs-micro);
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--fg-muted);
  padding-bottom: .9rem; margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.now-card__label b { color: var(--accent); font-weight: 500; }
.now-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .95rem; }
.now-list li { display: grid; grid-template-columns: 52px 1fr; gap: .8rem; align-items: baseline; }
.now-list time {
  font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--fg-muted);
}
.now-list a { font-size: var(--fs-sm); line-height: 1.55; color: var(--fg-soft); }
.now-list a:hover { color: var(--accent); }

/* Hero 底部数据条 */
.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stat {
  padding: 1.15rem 1.2rem 1.05rem 0;
  display: flex; align-items: baseline; gap: .55rem;
}
.stat + .stat { padding-left: 1.2rem; border-left: 1px solid var(--border); }
.stat b {
  font-family: var(--font-serif);
  font-size: 1.65rem; font-weight: 600; letter-spacing: -.02em;
}
.stat span { font-size: var(--fs-xs); color: var(--fg-muted); letter-spacing: .04em; }

/* ---------------- 5. 封面图（纯 CSS/SVG 抽象图，无外部依赖） ---------------- */
.cover {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-sm);
  background-color: var(--c-paper-3);
  isolation: isolate;
  box-shadow: inset 0 0 0 1px rgba(20,32,28,.09);
}
.cover::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(72% 58% at 16% 12%, var(--cover-a, #d9c8a8) 0%, transparent 62%),
    radial-gradient(68% 66% at 86% 88%, var(--cover-b, #8ea08a) 0%, transparent 64%),
    linear-gradient(148deg, #f2ebdc 0%, #e2d7c2 46%, #cbbda3 100%);
  opacity: .96;
  transition: transform var(--dur-slow) var(--ease);
}
.cover::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(102deg, rgba(255,255,255,.3) 0 1px, transparent 1px 8px),
    linear-gradient(148deg, transparent 38%, rgba(20,32,28,.10) 38.3%, rgba(20,32,28,.10) 39.2%, transparent 39.5%),
    radial-gradient(96% 62% at 46% 112%, rgba(20,32,28,.26), transparent 62%);
  mix-blend-mode: multiply;
  opacity: .62;
}
.cover__lines {
  position: absolute; inset: 0;
  opacity: .5;
  z-index: 1;
  mix-blend-mode: multiply;
}
.cover__num {
  position: absolute; right: .9rem; bottom: .5rem; z-index: 2;
  font-family: var(--font-serif);
  font-size: 3.4rem; line-height: 1;
  color: rgba(255,255,255,.62);
  letter-spacing: -.04em;
}
.cover__frame {
  position: absolute; inset: .55rem; z-index: 1;
  border: 1px solid rgba(255,255,255,.38);
  border-radius: 2px;
  pointer-events: none;
}
.cover--a { --cover-a: #e3cfa8; --cover-b: #9aa98f; }
.cover--b { --cover-a: #d8c9b4; --cover-b: #7f8fa0; }
.cover--c { --cover-a: #e0cfb2; --cover-b: #a8927a; }
.cover--d { --cover-a: #cdd3c2; --cover-b: #b79a76; }
.cover--e { --cover-a: #dbc9a9; --cover-b: #6f8377; }

[data-theme="dark"] .cover::before { filter: brightness(.72) saturate(.85); }

/* ---------------- 6. 精选文章 ---------------- */
.featured {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 2.75rem);
  align-items: start;
}

.card-lead { display: block; }
.card-lead .cover { aspect-ratio: 16 / 10; }
.card-lead:hover .cover::before { transform: scale(1.03); }

.card-lead__meta,
.card__meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: .55rem;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-top: 1.1rem;
}
.tag {
  display: inline-block;
  padding: .18rem .55rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  color: var(--fg-soft);
  letter-spacing: .08em;
  font-size: var(--fs-micro);
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
a.tag:hover { border-color: var(--accent); color: var(--accent); }
.dot-sep { width: 3px; height: 3px; border-radius: 50%; background: var(--c-line-strong); }

.card-lead h3 {
  font-size: clamp(1.4rem, 2.4vw, 1.95rem);
  margin-top: .7rem;
  line-height: 1.34;
}
.card-lead:hover h3 { color: var(--accent); }
.card-lead p {
  margin-top: .7rem;
  color: var(--fg-muted);
  font-size: var(--fs-sm);
  line-height: 1.8;
  max-width: 52ch;
}

.featured__side { display: grid; gap: clamp(1.25rem, 2.4vw, 1.9rem); }

.card {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 1.1rem;
  align-items: start;
  padding-bottom: clamp(1.25rem, 2.4vw, 1.9rem);
  border-bottom: 1px solid var(--border);
}
.card:last-child { border-bottom: 0; padding-bottom: 0; }
.card .cover { aspect-ratio: 1 / 1; }
.card:hover .cover::before { transform: scale(1.04); }
.card h3 {
  font-size: var(--fs-h3);
  line-height: 1.45;
  margin-top: .45rem;
  transition: color var(--dur-fast) var(--ease);
}
.card:hover h3 { color: var(--accent); }
.card p {
  margin: .5rem 0 0;
  font-size: var(--fs-sm);
  color: var(--fg-muted);
  line-height: 1.72;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.card .card__meta { margin-top: .75rem; }

/* ---------------- 7. 专题 ---------------- */
.series-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2.2vw, 1.6rem);
}
.series {
  position: relative;
  display: flex; flex-direction: column;
  padding: clamp(1.4rem, 2.6vw, 1.9rem);
  min-height: 240px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-elev);
  overflow: hidden;
  transition: transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}
.series:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); border-color: var(--c-line-strong); }
.series::after {
  content: "";
  position: absolute; right: -40px; bottom: -60px;
  width: 180px; height: 180px; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 16%, transparent), transparent 68%);
  transition: transform var(--dur-slow) var(--ease);
}
.series:hover::after { transform: scale(1.25); }
.series__num {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .18em;
  color: var(--accent);
}
.series h3 {
  font-size: clamp(1.2rem, 1.9vw, 1.45rem);
  margin-top: auto;
  padding-top: 2.6rem;
  line-height: 1.4;
}
.series p {
  margin: .6rem 0 0;
  font-size: var(--fs-sm);
  color: var(--fg-muted);
  line-height: 1.7;
}
.series__foot {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 1.15rem; padding-top: .9rem;
  border-top: 1px solid var(--border);
  font-size: var(--fs-xs);
  color: var(--fg-muted);
  font-family: var(--font-mono);
  letter-spacing: .06em;
}
.series__foot svg { width: 14px; height: 14px; transition: transform var(--dur-fast) var(--ease); }
.series:hover .series__foot svg { transform: translateX(4px); color: var(--accent); }

/* ---------------- 8. 归档列表（时间轴） ---------------- */
.archive-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--border); }
.archive-item {
  display: grid;
  grid-template-columns: 92px 92px minmax(0, 1fr) 84px 30px;
  gap: 1rem;
  align-items: center;
  padding: 1.15rem .2rem;
  border-bottom: 1px solid var(--border);
  transition: background-color var(--dur-fast) var(--ease);
}
.archive-item:hover { background: color-mix(in srgb, var(--bg-tint) 60%, transparent); }
.archive-item time {
  font-family: var(--font-mono); font-size: var(--fs-xs);
  color: var(--fg-muted); letter-spacing: .04em;
}
.archive-item .cat {
  font-size: var(--fs-xs); color: var(--accent); letter-spacing: .06em;
}
.archive-item h3 {
  font-size: 1.06rem; font-weight: 500; font-family: var(--font-sans);
  letter-spacing: 0; line-height: 1.5;
  transition: color var(--dur-fast) var(--ease);
}
.archive-item:hover h3 { color: var(--accent); }
.archive-item .rt {
  font-family: var(--font-mono); font-size: var(--fs-xs);
  color: var(--fg-muted); text-align: right;
}
.archive-item .arrow {
  color: var(--fg-muted); justify-self: end;
  opacity: 0; transform: translateX(-6px);
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.archive-item:hover .arrow { opacity: 1; transform: translateX(0); color: var(--accent); }

/* ---------------- 9. 关于 / 订阅 CTA ---------------- */
.band {
  background: var(--bg-tint);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.band__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding-block: clamp(3rem, 6vw, 5rem);
}
.band h2 { font-size: var(--fs-h2); }
.band p { margin-top: 1rem; color: var(--fg-soft); font-family: var(--font-serif); line-height: 1.9; max-width: 46ch; }

.subscribe { display: grid; gap: .8rem; }
.subscribe__field {
  display: flex; gap: .5rem;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-pill);
  padding: .3rem .3rem .3rem 1.15rem;
  background: var(--bg-elev);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.subscribe__field:focus-within { border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 12%, transparent); }
.subscribe__field input {
  flex: 1; min-width: 0;
  border: 0; background: transparent;
  font-family: var(--font-sans); font-size: var(--fs-sm); color: var(--fg);
  outline: none;
}
.subscribe__field input::placeholder { color: var(--fg-muted); }
.subscribe__field .btn { padding: .6rem 1.15rem; }
.subscribe__note { font-size: var(--fs-xs); color: var(--fg-muted); line-height: 1.6; }

/* ---------------- 10. 页脚 ---------------- */
.site-footer { padding-block: clamp(2.5rem, 5vw, 4rem) 2rem; }
.footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, .8fr));
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--border);
}
.footer__brand p {
  margin-top: 1rem;
  color: var(--fg-muted);
  font-size: var(--fs-sm);
  max-width: 34ch;
  line-height: 1.8;
}
.footer__col h4 {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--fg-muted);
  font-weight: 500;
  margin-bottom: 1rem;
}
.footer__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }
.footer__col a { font-size: var(--fs-sm); color: var(--fg-soft); }
.footer__col a:hover { color: var(--accent); }
.footer__bottom {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: .8rem; padding-top: 1.4rem;
  font-size: var(--fs-xs); color: var(--fg-muted);
}
.footer__bottom span { letter-spacing: .03em; }

/* ---------------- 11. 内页通用头 ---------------- */
.page-head {
  padding-block: clamp(2.5rem, 5vw, 4rem) clamp(1.5rem, 3vw, 2.25rem);
  border-bottom: 1px solid var(--border);
}
.page-head h1 { font-size: var(--fs-h1); }
.page-head p {
  margin-top: 1rem; max-width: 54ch;
  color: var(--fg-muted); font-family: var(--font-serif); line-height: 1.9;
}
.crumb {
  display: flex; align-items: center; gap: .5rem;
  font-family: var(--font-mono); font-size: var(--fs-micro);
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--fg-muted); margin-bottom: 1.2rem;
}
.crumb a:hover { color: var(--accent); }
.crumb span { opacity: .5; }

/* ---------------- 12. 归档页：筛选 ---------------- */
.filter-bar {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 1rem; padding-block: 1.4rem;
  border-bottom: 1px solid var(--border);
  position: sticky; top: var(--header-h); z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
}
.chips { display: flex; flex-wrap: wrap; gap: .45rem; }
.chip {
  padding: .42rem .95rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: transparent; color: var(--fg-soft);
  font-family: var(--font-sans); font-size: var(--fs-xs);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease);
}
.chip:hover { border-color: var(--c-line-strong); color: var(--fg); }
.chip[aria-pressed="true"] {
  background: var(--fg); color: var(--bg); border-color: var(--fg);
}
.search {
  display: flex; align-items: center; gap: .5rem;
  border-bottom: 1px solid var(--c-line-strong);
  padding-bottom: .3rem; min-width: 200px;
  color: var(--fg-muted);
}
.search input {
  border: 0; background: transparent; outline: none;
  font-family: var(--font-sans); font-size: var(--fs-sm); color: var(--fg);
  width: 100%;
}
.search svg { width: 15px; height: 15px; flex: none; }

.year-group { margin-top: 2.5rem; }
.year-group__label {
  display: flex; align-items: center; gap: 1rem;
  font-family: var(--font-mono); font-size: var(--fs-xs);
  letter-spacing: .16em; color: var(--accent);
  margin-bottom: .4rem;
}
.year-group__label::after { content: ""; flex: 1; height: 1px; background: var(--border); }

.empty {
  padding: 4rem 0; text-align: center; color: var(--fg-muted);
  font-family: var(--font-serif); font-size: var(--fs-lead);
}

/* ---------------- 13. 文章页 ---------------- */
.article-head {
  padding-block: clamp(2.25rem, 4.5vw, 3.5rem) clamp(1.5rem, 3vw, 2.25rem);
  border-bottom: 1px solid var(--border);
}
.article-head h1 {
  font-size: clamp(1.85rem, 4vw, 3rem);
  line-height: 1.22;
  max-width: 26ch;
}
.article-head__lead {
  margin-top: 1.2rem; max-width: 56ch;
  font-family: var(--font-serif); font-size: var(--fs-lead);
  line-height: 1.9; color: var(--fg-soft);
}
.byline {
  display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1rem;
  margin-top: 1.6rem;
  font-size: var(--fs-xs); color: var(--fg-muted);
  font-family: var(--font-mono); letter-spacing: .06em;
}
.byline .avatar {
  width: 30px; height: 30px; border-radius: 50%;
  border: 1px solid var(--border);
  display: grid; place-items: center;
  font-family: var(--font-serif); font-size: .78rem; color: var(--accent);
}

.article-layout {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr) 120px;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding-block: clamp(2.25rem, 4vw, 3.25rem);
  align-items: start;
}

.toc { position: sticky; top: calc(var(--header-h) + 28px); }
.toc__label {
  font-family: var(--font-mono); font-size: var(--fs-micro);
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--fg-muted); margin-bottom: .9rem;
}
.toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: .1rem; border-left: 1px solid var(--border); }
.toc a {
  display: block; padding: .38rem 0 .38rem .85rem;
  font-size: var(--fs-xs); line-height: 1.55; color: var(--fg-muted);
  border-left: 1px solid transparent; margin-left: -1px;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.toc a:hover { color: var(--fg); }
.toc a.is-active { color: var(--accent); border-left-color: var(--accent); }

.prose { max-width: 70ch; font-size: 1.02rem; }
.prose > p:first-of-type::first-letter {
  float: left;
  font-family: var(--font-serif);
  font-size: 3.4em; line-height: .86;
  padding: .08em .12em 0 0;
  color: var(--accent);
}
.prose h2 {
  font-size: var(--fs-h3);
  margin: 2.6rem 0 .9rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--border);
}
.prose h3 { font-size: 1.1rem; font-family: var(--font-sans); font-weight: 600; margin: 1.9rem 0 .6rem; letter-spacing: 0; }
.prose p { color: var(--fg-soft); }
.prose strong { color: var(--fg); font-weight: 600; }
.prose a:not(.btn) {
  color: var(--accent);
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  transition: border-color var(--dur-fast) var(--ease);
}
.prose a:not(.btn):hover { border-color: var(--accent); }
.prose ul, .prose ol { padding-left: 1.2rem; color: var(--fg-soft); margin-bottom: 1.2rem; }
.prose li { margin-bottom: .45rem; }
.prose blockquote {
  margin: 2rem 0;
  padding: .2rem 0 .2rem 1.4rem;
  border-left: 2px solid var(--accent);
  font-family: var(--font-serif);
  font-size: 1.14rem; line-height: 1.85;
  color: var(--fg);
}
.prose blockquote p { color: var(--fg); }
.prose figure { margin: 2.2rem 0; }
.prose figure .cover { aspect-ratio: 16 / 9; }
.prose figcaption {
  margin-top: .7rem; font-size: var(--fs-xs);
  color: var(--fg-muted); line-height: 1.6;
}
.prose code {
  font-family: var(--font-mono); font-size: .88em;
  background: var(--bg-tint); padding: .12em .4em;
  border-radius: var(--r-xs); border: 1px solid var(--border);
}
.prose hr { border: 0; height: 1px; background: var(--border); margin: 2.5rem 0; }

.article-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }

.article-foot { display: grid; gap: 1rem; margin-top: 2.5rem; }
.article-foot__box {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1.35rem 1.5rem;
  background: var(--bg-elev);
  display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1rem;
  align-items: center;
}
.article-foot__box .avatar {
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--border); display: grid; place-items: center;
  font-family: var(--font-serif); color: var(--accent);
}
.article-foot__box h4 { font-size: 1rem; }
.article-foot__box p { margin: .3rem 0 0; font-size: var(--fs-xs); color: var(--fg-muted); line-height: 1.7; }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: .5rem; }
.pager a {
  padding: 1.05rem 1.2rem;
  border: 1px solid var(--border); border-radius: var(--r-md);
  transition: border-color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}
.pager a:hover { border-color: var(--c-line-strong); background: var(--bg-elev); }
.pager span {
  display: block; font-family: var(--font-mono); font-size: var(--fs-micro);
  letter-spacing: .12em; text-transform: uppercase; color: var(--fg-muted); margin-bottom: .4rem;
}
.pager b { font-family: var(--font-serif); font-weight: 500; font-size: .98rem; line-height: 1.5; }
.pager a:last-child { text-align: right; }

.article-aside { position: sticky; top: calc(var(--header-h) + 28px); display: grid; gap: 1rem; justify-items: stretch; }
.share-btn {
  display: flex; align-items: center; gap: .5rem;
  border: 1px solid var(--border); border-radius: var(--r-pill);
  padding: .5rem .8rem; font-size: var(--fs-xs); color: var(--fg-muted);
  background: transparent; cursor: pointer;
  transition: all var(--dur-fast) var(--ease);
}
.share-btn:hover { color: var(--accent); border-color: var(--accent); }
.share-btn svg { width: 14px; height: 14px; }

/* ---------------- 14. 关于页 ---------------- */
.about-hero {
  display: grid; grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem); align-items: center;
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  max-width: 780px;
}
.about-hero h1 { font-size: var(--fs-h1); line-height: 1.16; }
.about-hero p {
  margin-top: 1.25rem; font-family: var(--font-serif);
  font-size: var(--fs-lead); line-height: 1.95; color: var(--fg-soft);
  max-width: 52ch;
}

.facts {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px; background: var(--border);
  border: 1px solid var(--border); border-radius: var(--r-md); overflow: hidden;
}
.fact { background: var(--bg-elev); padding: 1.25rem 1.35rem; }
.fact dt {
  font-family: var(--font-mono); font-size: var(--fs-micro);
  letter-spacing: .12em; text-transform: uppercase; color: var(--fg-muted);
}
.fact dd { margin: .45rem 0 0; font-family: var(--font-serif); font-size: 1.05rem; line-height: 1.5; }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li {
  display: grid; grid-template-columns: 84px minmax(0, 1fr);
  gap: 1.5rem; padding: 1.35rem 0;
  border-bottom: 1px solid var(--border);
}
.timeline time {
  font-family: var(--font-mono); font-size: var(--fs-xs);
  color: var(--accent); letter-spacing: .06em; padding-top: .25rem;
}
.timeline h3 { font-size: 1.05rem; font-family: var(--font-sans); font-weight: 600; letter-spacing: 0; }
.timeline p { margin: .4rem 0 0; font-size: var(--fs-sm); color: var(--fg-muted); line-height: 1.75; }

/* ---------------- 15. 动效 ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------------- 16. 响应式 ---------------- */
@media (max-width: 1080px) {
  .article-layout { grid-template-columns: 170px minmax(0, 1fr); }
  .article-aside { display: none; }
}

@media (max-width: 940px) {
  :root { --header-h: 68px; }

  .nav { display: none; }
  .menu-toggle { display: grid; }

  .hero__grid { grid-template-columns: 1fr; gap: 2.5rem; align-items: start; }
  .hero__aside { max-width: 520px; }

  .featured { grid-template-columns: 1fr; gap: 2.25rem; }
  .featured__side { gap: 1.5rem; }

  .series-grid { grid-template-columns: 1fr 1fr; }
  .series:nth-child(3) { grid-column: 1 / -1; min-height: 0; }

  .band__inner { grid-template-columns: 1fr; gap: 2rem; }

  .footer__top { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }

  .about-hero { grid-template-columns: 1fr; }

  .article-layout { grid-template-columns: 1fr; padding-block: 2rem; }
  .toc { position: static; display: none; }

  .archive-item { grid-template-columns: 84px minmax(0, 1fr) 30px; row-gap: .3rem; }
  .archive-item .cat { grid-column: 2; grid-row: 1; display: none; }
  .archive-item .rt { display: none; }
}

@media (max-width: 640px) {
  :root { --fs-body: 0.98rem; }

  .section { padding-block: 3rem; }
  .hero { padding-block: 2rem 2.5rem; }
  .hero__stats { grid-template-columns: 1fr; }
  .stat { padding: .95rem 0; }
  .stat + .stat { padding-left: 0; border-left: 0; border-top: 1px solid var(--border); }

  .hero__actions { gap: .75rem; }
  .btn { padding: .72rem 1.2rem; }

  .card { grid-template-columns: 82px minmax(0, 1fr); gap: .9rem; }
  .card h3 { font-size: 1.02rem; }
  .card p { -webkit-line-clamp: 2; }

  .series-grid { grid-template-columns: 1fr; }
  .series:nth-child(3) { grid-column: auto; }

  .footer__top { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }

  .filter-bar { position: static; }
  .chips { gap: .35rem; }
  .chip { padding: .38rem .8rem; }

  .article-head h1 { font-size: 1.62rem; }
  .prose { font-size: 1rem; }
  .prose > p:first-of-type::first-letter { font-size: 2.8em; }
  .pager { grid-template-columns: 1fr; }
  .pager a:last-child { text-align: left; }

  .facts { grid-template-columns: 1fr; }
  .timeline li { grid-template-columns: 1fr; gap: .35rem; }
  .timeline time { padding-top: 0; }
}
/* ============================================================
   2026-11-08 内容扩充追加：文章图卡 / 序号徽章 / 头图 / 来源注记
   ============================================================ */
.prose figure.img-card {
  margin: 2.4rem 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: .9rem;
  box-shadow: 0 12px 32px rgba(20, 24, 20, .10);
}
[data-theme="dark"] .prose figure.img-card { background: #fbfaf6; }
.prose figure.img-card img { display: block; width: 100%; height: auto; border-radius: 8px; }
.prose figure.img-card figcaption { margin-top: .7rem; }
.prose figure.art-hero { margin: 1.6rem 0 2.6rem; }
.prose figure.art-hero img {
  display: block; width: 100%; height: auto;
  aspect-ratio: 21 / 9; object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(20, 24, 20, .14);
}
.prose h2 .sec-num {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 2.1em; margin-right: .55em; padding: .1em .5em;
  border-radius: 999px; background: var(--accent); color: #fff;
  font-size: .6em; font-weight: 700; letter-spacing: .1em;
  vertical-align: .22em;
}
.prose p.sec-stand {
  margin: 2rem 0 .4rem; color: var(--accent);
  font-weight: 700; letter-spacing: .18em;
}
.prose p.src-note {
  margin-top: 2.6rem; padding-top: 1.1rem;
  border-top: 1px dashed var(--border);
  color: var(--fg-muted); font-size: .86rem; line-height: 1.7;
}
.cover--img { background-size: cover; background-position: center; }
.card-lead .cover--img { background-color: var(--cover-a, #e3cfa8); }

/* ---------- 2026-11-08 修订二：正文表格 ---------- */
.prose .table-wrap { overflow-x: auto; margin: 1.9rem 0; border-radius: 10px; border: 1px solid var(--border); }
.prose .table-wrap table { width: 100%; min-width: 540px; margin: 0; border-collapse: collapse; font-size: .92rem; }
.prose .table-wrap td, .prose .table-wrap th {
  border: 0; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: .58rem .75rem; text-align: left; vertical-align: top; color: var(--fg-soft); line-height: 1.6;
}
.prose .table-wrap td:last-child, .prose .table-wrap th:last-child { border-right: 0; }
.prose .table-wrap tr:last-child td { border-bottom: 0; }
.prose .table-wrap tr:first-child td {
  background: var(--accent); color: #fff; font-weight: 600; white-space: nowrap;
}
.prose .table-wrap tr:nth-child(even):not(:first-child) td { background: rgba(35, 52, 44, .045); }
[data-theme="dark"] .prose .table-wrap tr:first-child td { background: #2c463a; }
[data-theme="dark"] .prose .table-wrap tr:nth-child(even):not(:first-child) td { background: rgba(255, 255, 255, .05); }

/* ---------- 2026-11-08 修订三：cover--img 真图不被渐变覆盖 ---------- */
/* .cover 的 ::before 是一层不透明渐变，会盖住 background-image；真图模式必须关掉它 */
.cover--img::before { display: none; }
.cover--img::after {
  background-image: linear-gradient(180deg, rgba(20,32,28,0) 58%, rgba(20,32,28,.30) 100%);
  mix-blend-mode: normal;
  opacity: 1;
}