/* ==========================================================================
   星空影视 · 站点样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base
   -------------------------------------------------------------------------- */

:root {
  --paper: #f5f2ec;
  --paper-card: #fffdf8;
  --ink: #20282c;
  --ink-soft: #627077;
  --ink-line: #d9d3c8;
  --deep: #24434a;
  --accent: #9a5b3f;

  --sw-mist: #6f8790;
  --sw-moss: #7b8b73;
  --sw-clay: #a37f6f;
  --sw-plum: #82758c;
  --sw-ochre: #a29263;
  --sw-coral: #a47e7c;
  --sw-teal: #6f8b86;
  --sw-slate: #77839a;

  --radius: 6px;
  --radius-sm: 4px;
  --wrap: 1180px;
  --wrap-narrow: 820px;
  --gap: 24px;

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, Menlo, "Liberation Mono", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  margin: 0;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.35;
}

p {
  margin: 0;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: var(--deep);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  color: var(--accent);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

figure {
  margin: 0;
}

table {
  border-collapse: collapse;
  width: 100%;
}

button {
  font: inherit;
  color: inherit;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   layout · 全站骨架
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--paper);
  border-bottom: 1px solid var(--ink-line);
}

.header-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  flex: none;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand::before {
  content: "";
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 9px;
  border-radius: 2px;
  background: var(--sw-teal);
  vertical-align: 2px;
}

.site-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.nav-link {
  display: block;
  padding: 8px 11px;
  font-size: 15px;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink-line);
}

.nav-link.is-current {
  color: var(--ink);
  font-weight: 600;
  border-bottom-color: var(--accent);
}

.nav-toggle {
  display: none;
  flex: none;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  border-top: 1px solid var(--ink-line);
  background: var(--paper-card);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav-list {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 8px 16px 14px;
}

.mobile-nav-list li {
  border-bottom: 1px solid var(--ink-line);
}

.mobile-nav-list li:last-child {
  border-bottom: 0;
}

.mobile-nav-list a {
  display: block;
  padding: 12px 6px;
  min-height: 44px;
  font-size: 15px;
  color: var(--ink);
}

.mobile-nav-list a:hover {
  color: var(--accent);
}

.site-main {
  display: block;
}

.inner-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px 72px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 20px 0 0;
  font-size: 13px;
  color: var(--ink-soft);
}

.breadcrumb a {
  color: var(--ink-soft);
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb-sep {
  color: var(--ink-line);
}

.breadcrumb-current {
  color: var(--ink);
}

.page-header {
  padding: 14px 0 26px;
  border-bottom: 1px solid var(--ink-line);
  margin-bottom: 34px;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

.page-kicker {
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sw-clay);
  text-transform: uppercase;
}

.page-eyebrow {
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sw-teal);
}

.page-lead {
  max-width: 760px;
  margin-top: 12px;
  font-size: 16px;
  color: var(--ink-soft);
}

.site-footer {
  margin-top: 40px;
  background: var(--paper-card);
  border-top: 1px solid var(--ink-line);
}

.footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 44px 24px 32px;
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(0, 2fr);
  gap: 40px;
}

.footer-brand {
  max-width: 340px;
}

.footer-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.footer-logo::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border-radius: 2px;
  background: var(--sw-teal);
  vertical-align: 2px;
}

.footer-about {
  margin-top: 10px;
  font-size: 14px;
  color: var(--ink-soft);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.footer-col-title {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul li:last-child {
  margin-bottom: 0;
}

.footer-col a {
  font-size: 14px;
  color: var(--ink);
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid var(--ink-line);
}

.footer-boundary,
.footer-copy {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
  font-size: 13px;
  color: var(--ink-soft);
}

.footer-boundary {
  padding-top: 18px;
  padding-bottom: 4px;
}

.footer-copy {
  padding-top: 4px;
  padding-bottom: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   components · 通用元件
   -------------------------------------------------------------------------- */

.section-head {
  margin-bottom: 22px;
}

.section-head h2 {
  font-size: 24px;
}

.section-desc {
  margin-top: 8px;
  max-width: 780px;
  font-size: 15px;
  color: var(--ink-soft);
}

.section-intro {
  max-width: 780px;
  margin-bottom: 16px;
  font-size: 15px;
  color: var(--ink-soft);
}

.section-footnote {
  margin-top: 20px;
  font-size: 14px;
  color: var(--ink-soft);
}

.section-footnote a {
  color: var(--deep);
  border-bottom: 1px solid var(--ink-line);
}

.section-footnote a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.text-link {
  display: inline-block;
  font-size: 14px;
  color: var(--deep);
  border-bottom: 1px solid var(--ink-line);
  padding-bottom: 1px;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.link-arrow {
  display: inline-block;
  font-size: 14px;
  color: var(--deep);
}

.link-arrow::after {
  content: " \2192";
  font-family: var(--font-mono);
}

.link-arrow:hover {
  color: var(--accent);
}

.btn-primary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  font-size: 15px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn-primary {
  background: var(--deep);
  color: #f7f4ee;
  border-color: var(--deep);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--accent);
  border-color: var(--accent);
  color: #fdfaf4;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink-line);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--deep);
  color: var(--deep);
}

/* 频道色标圆点 */
.swatch {
  display: inline-block;
  flex: none;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--sw-slate);
}

.swatch-mist { background: var(--sw-mist); }
.swatch-moss { background: var(--sw-moss); }
.swatch-clay { background: var(--sw-clay); }
.swatch-plum { background: var(--sw-plum); }
.swatch-ochre { background: var(--sw-ochre); }
.swatch-coral { background: var(--sw-coral); }
.swatch-teal { background: var(--sw-teal); }
.swatch-slate { background: var(--sw-slate); }
.swatch-blue { background: var(--sw-slate); }
.swatch-green { background: var(--sw-moss); }
.swatch-terracotta { background: var(--sw-clay); }
.swatch-purple { background: var(--sw-plum); }
.swatch-yellow { background: var(--sw-ochre); }

/* 频道标签 */
.channel-tag {
  display: inline-block;
  padding: 2px 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  background: rgba(32, 40, 44, 0.05);
  border-left: 3px solid var(--sw-slate);
  border-radius: 2px;
}

.tag-mist { border-left-color: var(--sw-mist); }
.tag-moss { border-left-color: var(--sw-moss); }
.tag-clay { border-left-color: var(--sw-clay); }
.tag-plum { border-left-color: var(--sw-plum); }
.tag-ochre { border-left-color: var(--sw-ochre); }
.tag-coral { border-left-color: var(--sw-coral); }
.tag-teal { border-left-color: var(--sw-teal); }
.tag-slate { border-left-color: var(--sw-slate); }
.tag-blue { border-left-color: var(--sw-slate); }
.tag-green { border-left-color: var(--sw-moss); }
.tag-purple { border-left-color: var(--sw-plum); }
.tag-yellow { border-left-color: var(--sw-ochre); }
.tag-terracotta { border-left-color: var(--sw-clay); }
.tag-indigo { border-left-color: var(--sw-slate); }
.tag-mustard { border-left-color: var(--sw-ochre); }
.tag-olive { border-left-color: var(--sw-moss); }

.channel-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* 表格通用 */
.table-wrap {
  width: 100%;
  overflow-x: auto;
}

.field-table {
  width: 100%;
  min-width: 640px;
  font-size: 14px;
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
}

.field-table caption {
  caption-side: top;
  padding: 10px 14px;
  text-align: left;
  font-size: 13px;
  color: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-bottom: 0;
  background: var(--paper-card);
}

.field-table th,
.field-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--ink-line);
}

.field-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  background: rgba(36, 67, 74, 0.05);
  white-space: nowrap;
}

.field-table tbody tr:last-child th,
.field-table tbody tr:last-child td {
  border-bottom: 0;
}

.field-table tbody tr:hover {
  background: rgba(36, 67, 74, 0.035);
}

/* 图片容器 */
figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   pages · 首页
   -------------------------------------------------------------------------- */

.home-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px 40px;
}

.hero-editorial {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 40px;
  padding: 44px 0 48px;
  border-bottom: 1px solid var(--ink-line);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.hero-kicker {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sw-clay);
}

.hero-copy h1 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.28;
  color: var(--ink);
}

.hero-lead {
  max-width: 560px;
  margin-top: 16px;
  font-size: 16px;
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.term-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px dashed var(--ink-line);
}

.term-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 120px;
}

.term-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.term-val {
  font-size: 14px;
  color: var(--ink);
}

.hero-focus {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.hero-focus img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  border: 1px solid var(--ink-line);
  object-fit: cover;
}

.hero-focus figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-soft);
}

.focus-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.focus-tag {
  padding: 3px 10px;
  font-size: 13px;
  color: var(--ink);
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
  border-radius: 2px;
}

/* 频道色标联动区 */
.channel-map-entries {
  padding: 48px 0;
  border-bottom: 1px solid var(--ink-line);
}

.map-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1.28fr);
  gap: 32px;
  align-items: start;
}

.channel-map {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.channel-map-item {
  display: grid;
  grid-template-columns: 12px minmax(72px, auto) minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.channel-map-item:hover {
  background: var(--paper-card);
  border-color: var(--ink-line);
}

.channel-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.channel-desc {
  font-size: 13px;
  color: var(--ink-soft);
}

.entry-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.entry-card {
  display: flex;
  flex-direction: column;
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.18s ease;
}

.entry-card:hover {
  border-color: var(--sw-slate);
}

.entry-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: rgba(36, 67, 74, 0.06);
}

.entry-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.entry-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 16px 18px;
}

.entry-body .channel-tag {
  align-self: flex-start;
}

.entry-title {
  font-size: 17px;
  line-height: 1.45;
}

.entry-meta {
  font-size: 13px;
  color: var(--ink-soft);
}

.meta-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
}

/* 编排批次轨道 */
.batch-track {
  padding: 48px 0;
  border-bottom: 1px solid var(--ink-line);
}

.batch-nodes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  position: relative;
}

.batch-node {
  padding: 20px;
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
  border-top: 3px solid var(--sw-teal);
  border-radius: var(--radius);
}

.batch-node:nth-child(2) {
  border-top-color: var(--sw-clay);
}

.batch-node:nth-child(3) {
  border-top-color: var(--sw-plum);
}

.batch-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.batch-name {
  margin-top: 6px;
  font-size: 18px;
}

.batch-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.batch-desc {
  margin-top: 12px;
  font-size: 14px;
  color: var(--ink-soft);
}

.batch-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 22px;
}

/* 条目档案字段预览 */
.catalog-preview {
  padding: 48px 0;
  border-bottom: 1px solid var(--ink-line);
}

.table-foot {
  margin-top: 14px;
  font-size: 14px;
}

/* 观看前核对摘要 */
.checklist-summary {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 40px;
  padding: 48px 0;
  border-bottom: 1px solid var(--ink-line);
  align-items: start;
}

.section-intro h2 {
  font-size: 24px;
}

.section-intro p {
  margin-top: 10px;
  font-size: 15px;
  color: var(--ink-soft);
}

.check-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.check-item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-sm);
}

.check-no {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--sw-teal);
}

.check-text {
  font-size: 14px;
  color: var(--ink);
}

.check-foot {
  grid-column: 1 / -1;
  font-size: 14px;
}

/* 纠错说明摘要 */
.correction-summary {
  padding: 48px 0 8px;
}

.record-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--ink-line);
}

.record-row {
  display: grid;
  grid-template-columns: minmax(120px, 0.5fr) minmax(0, 1.5fr) auto;
  gap: 20px;
  align-items: center;
  padding: 14px 4px;
  border-bottom: 1px solid var(--ink-line);
}

.record-type {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.record-scope {
  font-size: 14px;
  color: var(--ink-soft);
}

/* 首页相关内容条 */
.related-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 32px;
  padding: 16px 18px;
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
}

.related-links-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.related-links-item {
  font-size: 14px;
  color: var(--deep);
  border-bottom: 1px solid var(--ink-line);
}

.related-links-item:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* 首页核对状态小标 */
.check-badge {
  display: inline-block;
  padding: 1px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  border-radius: 2px;
  border: 1px solid var(--ink-line);
  color: var(--ink-soft);
}

.check-ok {
  color: #4c6b52;
  border-color: #b9c9b5;
  background: rgba(123, 139, 115, 0.12);
}

.check-pending {
  color: var(--accent);
  border-color: #d8bfae;
  background: rgba(154, 91, 63, 0.09);
}

/* --------------------------------------------------------------------------
   pages · 频道色标
   -------------------------------------------------------------------------- */

.channel-overview {
  margin-bottom: 34px;
}

.channel-overview img {
  width: 100%;
  aspect-ratio: 21 / 8;
  border-radius: var(--radius);
  border: 1px solid var(--ink-line);
  object-fit: cover;
}

.channel-overview figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-soft);
}

.channel-field-guide {
  margin-bottom: 36px;
  padding: 22px 24px;
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
}

.channel-field-guide h2 {
  font-size: 20px;
}

.field-legend {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 6px;
}

.field-legend-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-top: 10px;
  border-top: 2px solid var(--ink-line);
}

.field-name {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--ink);
}

.field-desc {
  font-size: 13px;
  color: var(--ink-soft);
}

.channel-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.channel-layout.sidebar-left {
  grid-template-columns: 260px minmax(0, 1fr);
  align-items: start;
}

.channel-index {
  position: sticky;
  top: 88px;
  padding: 16px;
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
}

.channel-index-title {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  font-weight: 600;
}

.channel-index-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.channel-index-link {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 4px 10px;
  padding: 7px 8px;
  border-left: 3px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.channel-index-link:hover,
.channel-index-link:focus-visible {
  background: rgba(36, 67, 74, 0.05);
  border-left-color: var(--sw-slate);
}

.channel-index-link .swatch {
  margin-top: 6px;
}

.channel-index-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.channel-index-desc {
  grid-column: 2;
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.channel-detail {
  min-width: 0;
}

.channel-detail h2 {
  font-size: 22px;
}

.channel-block {
  padding: 22px 0;
  border-bottom: 1px solid var(--ink-line);
}

.channel-block:first-of-type {
  padding-top: 4px;
}

.channel-block-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.channel-block-head .swatch {
  width: 14px;
  height: 14px;
}

.channel-block-title {
  font-size: 19px;
}

.channel-block-desc {
  margin-top: 10px;
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 720px;
}

.channel-type-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.type-tag {
  padding: 2px 10px;
  font-size: 13px;
  color: var(--ink-soft);
  background: rgba(36, 67, 74, 0.05);
  border-radius: 2px;
}

.channel-block-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 12px;
  font-size: 14px;
}

.channel-block-links a {
  color: var(--deep);
  border-bottom: 1px solid var(--ink-line);
}

.channel-block-links a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.channel-related {
  margin-top: 36px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.related-col {
  padding: 18px 20px;
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
}

.related-col-title {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.related-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.related-item a {
  font-size: 14px;
  color: var(--deep);
  border-bottom: 1px solid var(--ink-line);
}

.related-item a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* --------------------------------------------------------------------------
   pages · 排期专题
   -------------------------------------------------------------------------- */

.batch-node-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.batch-code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.batch-title {
  margin-top: 6px;
  font-size: 18px;
}

.batch-node .channel-tag-list {
  margin-top: 12px;
}

.topic-cards {
  margin-top: 48px;
}

.topic-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.topic-card {
  display: flex;
  flex-direction: column;
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.topic-card-wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.topic-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: rgba(36, 67, 74, 0.06);
}

.topic-card-wide .topic-media {
  aspect-ratio: auto;
  min-height: 100%;
}

.topic-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.topic-caption {
  padding: 8px 16px;
  font-size: 12px;
  color: var(--ink-soft);
  border-top: 1px solid var(--ink-line);
  background: var(--paper-card);
}

.topic-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 20px 22px;
}

.topic-batch {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sw-clay);
}

.topic-title {
  font-size: 19px;
}

.topic-desc {
  font-size: 14px;
  color: var(--ink-soft);
}

.topic-scope {
  font-size: 13px;
  color: var(--ink-soft);
  padding-top: 8px;
  border-top: 1px dashed var(--ink-line);
}

.pre-check-note {
  margin-top: 48px;
  padding: 28px 26px;
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
  border-left: 4px solid var(--sw-teal);
  border-radius: var(--radius);
}

.pre-check-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.pre-check-item h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.pre-check-desc {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

.pre-check-item a {
  font-size: 14px;
  color: var(--deep);
  border-bottom: 1px solid var(--ink-line);
}

.pre-check-item a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* --------------------------------------------------------------------------
   pages · 条目档案
   -------------------------------------------------------------------------- */

.catalog-guide {
  margin-bottom: 26px;
}

.catalog-guide img {
  width: 100%;
  aspect-ratio: 21 / 7;
  border-radius: var(--radius);
  border: 1px solid var(--ink-line);
  object-fit: cover;
}

.catalog-guide figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-soft);
}

.channel-tags {
  margin-bottom: 22px;
  padding-bottom: 4px;
  overflow-x: auto;
}

.channel-tags .channel-tag-list {
  gap: 8px;
  flex-wrap: nowrap;
  min-width: max-content;
}

.channel-tag-list a.channel-tag {
  display: inline-block;
  white-space: nowrap;
}

.channel-tag-list a.channel-tag:hover {
  background: rgba(36, 67, 74, 0.1);
  color: var(--ink);
}

.catalog-table {
  margin-bottom: 36px;
}

.catalog-table h2 {
  font-size: 22px;
}

.channel-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 6px;
  border-radius: 2px;
  background: var(--sw-slate);
  vertical-align: 1px;
}

.field-note {
  padding: 26px 24px;
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
}

.field-note h2 {
  font-size: 20px;
  margin-bottom: 16px;
}

.field-note-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

.field-note-col h3 {
  font-size: 16px;
  margin-bottom: 10px;
}

.note-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.note-list li {
  padding-left: 16px;
  position: relative;
  font-size: 14px;
  color: var(--ink-soft);
}

.note-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--sw-clay);
}

.note-link {
  color: var(--deep);
  border-bottom: 1px solid var(--ink-line);
}

.note-link:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.related-entry {
  margin-top: 40px;
}

.related-entry h2 {
  font-size: 20px;
  margin-bottom: 14px;
}

.related-entry .related-list {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 12px 26px;
}

.related-entry .related-list a {
  font-size: 14px;
  color: var(--deep);
  border-bottom: 1px solid var(--ink-line);
}

.related-entry .related-list a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* --------------------------------------------------------------------------
   pages · 核对清单
   -------------------------------------------------------------------------- */

.check-flow {
  margin-bottom: 40px;
}

.flow-figure {
  margin-bottom: 26px;
}

.flow-figure img {
  width: 100%;
  aspect-ratio: 24 / 7;
  border-radius: var(--radius);
  border: 1px solid var(--ink-line);
  object-fit: cover;
}

.flow-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-soft);
}

.flow-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 2px solid var(--ink-line);
  margin-left: 14px;
}

.flow-step {
  position: relative;
  padding: 0 0 26px 30px;
}

.flow-step:last-child {
  padding-bottom: 0;
}

.flow-step::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--sw-teal);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.step-title {
  margin-top: 4px;
  font-size: 18px;
}

.step-text {
  margin-top: 8px;
  max-width: 720px;
  font-size: 15px;
  color: var(--ink-soft);
}

.step-text a {
  color: var(--deep);
  border-bottom: 1px solid var(--ink-line);
}

.step-text a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.step-rule {
  margin-top: 10px;
  max-width: 720px;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--ink);
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-sm);
}

.rule-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--sw-clay);
  margin-right: 8px;
}

.boundary-note {
  margin-bottom: 40px;
  padding: 24px 26px;
  background: rgba(36, 67, 74, 0.045);
  border: 1px solid var(--ink-line);
  border-left: 4px solid var(--sw-clay);
  border-radius: var(--radius);
}

.boundary-note h2 {
  font-size: 20px;
}

.boundary-intro {
  margin-top: 8px;
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 760px;
}

.boundary-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
}

.boundary-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--ink);
}

.boundary-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 1px;
  background: var(--sw-clay);
}

.entry-labels {
  margin-bottom: 40px;
}

.label-table {
  width: 100%;
  min-width: 620px;
  font-size: 14px;
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
}

.entry-labels .table-wrap,
.entry-labels table {
  display: table;
}

.entry-labels {
  overflow-x: auto;
}

.label-table thead th {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  background: rgba(36, 67, 74, 0.05);
  border-bottom: 1px solid var(--ink-line);
  white-space: nowrap;
}

.label-table tbody th,
.label-table tbody td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--ink-line);
}

.label-table tbody th {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.label-table tbody td {
  color: var(--ink-soft);
}

.label-table tbody tr:last-child th,
.label-table tbody tr:last-child td {
  border-bottom: 0;
}

.related-grid .related-card {
  padding: 18px 20px;
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease;
}

.related-grid .related-card:hover {
  border-color: var(--sw-teal);
}

.related-title {
  font-size: 17px;
}

.related-title a {
  color: var(--ink);
}

.related-title a:hover {
  color: var(--accent);
}

.related-desc {
  margin-top: 8px;
  font-size: 14px;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages · 纠错说明
   -------------------------------------------------------------------------- */

.correction-guide {
  margin-bottom: 30px;
}

.correction-guide img {
  width: 100%;
  aspect-ratio: 24 / 7;
  border-radius: var(--radius);
  border: 1px solid var(--ink-line);
  object-fit: cover;
}

.correction-guide figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-soft);
}

.correction-types {
  margin-bottom: 40px;
}

.correction-types h2,
.locating-checklist h2,
.handling-rules h2 {
  font-size: 22px;
}

.correction-table {
  width: 100%;
  min-width: 600px;
  font-size: 14px;
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
}

.correction-types {
  overflow-x: auto;
}

.correction-table caption {
  caption-side: top;
  padding: 10px 14px;
  text-align: left;
  font-size: 13px;
  color: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-bottom: 0;
  background: var(--paper-card);
}

.correction-table thead th {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  background: rgba(36, 67, 74, 0.05);
  border-bottom: 1px solid var(--ink-line);
  white-space: nowrap;
}

.correction-table tbody td {
  padding: 12px 14px;
  vertical-align: top;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--ink-line);
}

.correction-table tbody td:first-child {
  color: var(--ink);
  font-weight: 600;
}

.correction-table tbody tr:last-child td {
  border-bottom: 0;
}

.section-note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--ink-soft);
}

.locating-checklist {
  margin-bottom: 40px;
}

.locate-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.locate-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 16px;
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-sm);
}

.locate-num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--sw-teal);
}

.locate-body h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.locate-body p {
  font-size: 14px;
  color: var(--ink-soft);
}

.handling-rules {
  margin-bottom: 40px;
}

.rules-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.rules-col {
  padding: 20px 22px;
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
}

.rules-col h3 {
  font-size: 16px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink-line);
}

.rules-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.rules-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: var(--ink-soft);
}

.rules-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--sw-teal);
}

.related-entry .related-links {
  margin-top: 0;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
}

.related-entry .related-links li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.related-entry .related-links a {
  font-size: 15px;
  color: var(--deep);
  border-bottom: 1px solid var(--ink-line);
}

.related-entry .related-links a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.related-entry .related-desc {
  margin-top: 0;
  font-size: 13px;
}

/* --------------------------------------------------------------------------
   pages · 站点说明
   -------------------------------------------------------------------------- */

.page-layout.about-layout.sidebar-left {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.page-toc {
  position: sticky;
  top: 88px;
  padding: 16px;
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
}

.toc-title {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.toc-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.toc-list a {
  display: block;
  padding: 6px 8px;
  font-size: 14px;
  color: var(--ink);
  border-left: 3px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.toc-list a:hover {
  background: rgba(36, 67, 74, 0.05);
  border-left-color: var(--sw-slate);
  color: var(--ink);
}

.about-body {
  min-width: 0;
  max-width: var(--wrap-narrow);
}

.about-section {
  margin-bottom: 38px;
}

.about-section h2 {
  font-size: 22px;
  margin-bottom: 12px;
}

.about-section p {
  margin-bottom: 12px;
  font-size: 15px;
  color: var(--ink-soft);
}

.about-scope-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
}

.about-scope-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--ink-soft);
}

.about-scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 1px;
  background: var(--sw-teal);
}

.about-scope-list strong {
  color: var(--ink);
  font-weight: 600;
  margin-right: 4px;
}

.about-figure {
  margin: 0 0 38px;
}

.about-figure img {
  width: 100%;
  aspect-ratio: 16 / 7;
  border-radius: var(--radius);
  border: 1px solid var(--ink-line);
  object-fit: cover;
}

.about-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-soft);
}

.glossary-table {
  font-size: 14px;
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
}

.glossary-table caption {
  caption-side: top;
  padding: 10px 14px;
  text-align: left;
  font-size: 13px;
  color: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-bottom: 0;
  background: var(--paper-card);
}

.glossary-table thead th {
  padding: 11px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  background: rgba(36, 67, 74, 0.05);
  border-bottom: 1px solid var(--ink-line);
  white-space: nowrap;
}

.glossary-table tbody th,
.glossary-table tbody td {
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--ink-line);
}

.glossary-table tbody th {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.glossary-table tbody td {
  color: var(--ink-soft);
}

.glossary-table tbody tr:last-child th,
.glossary-table tbody tr:last-child td {
  border-bottom: 0;
}

.boundary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-top: 16px;
}

.boundary-col {
  padding: 18px 20px;
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
}

.boundary-col h3 {
  font-size: 16px;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink-line);
}

.boundary-col .boundary-list {
  margin-top: 0;
}

.reading-steps {
  display: flex;
  flex-direction: column;
  gap: 9px;
  counter-reset: reading;
}

.reading-steps li {
  position: relative;
  padding-left: 30px;
  font-size: 14px;
  color: var(--ink-soft);
  counter-increment: reading;
}

.reading-steps li::before {
  content: counter(reading, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sw-clay);
}

.structure-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 22px;
  margin-top: 14px;
}

.structure-links a {
  font-size: 14px;
  color: var(--deep);
  border-bottom: 1px solid var(--ink-line);
  padding-bottom: 1px;
}

.structure-links a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* --------------------------------------------------------------------------
   pages · 404
   -------------------------------------------------------------------------- */

.error-main {
  max-width: var(--wrap-narrow);
  margin: 0 auto;
  padding: 72px 24px 88px;
}

.error-block {
  padding: 40px 36px;
  background: var(--paper-card);
  border: 1px solid var(--ink-line);
  border-left: 4px solid var(--sw-clay);
  border-radius: var(--radius);
}

.error-code {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--sw-clay);
}

.error-block h1 {
  margin-top: 10px;
  font-size: 30px;
}

.error-text {
  margin-top: 12px;
  font-size: 15px;
  color: var(--ink-soft);
}

.error-tips {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px dashed var(--ink-line);
}

.error-tips li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--ink-soft);
}

.error-tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 1px;
  background: var(--sw-teal);
}

.error-tips strong {
  color: var(--ink);
  font-weight: 600;
  margin-right: 4px;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* --------------------------------------------------------------------------
   responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1080px) {
  .hero-editorial {
    gap: 30px;
  }

  .hero-copy h1 {
    font-size: 32px;
  }

  .nav-link {
    padding: 8px 8px;
    font-size: 14px;
  }
}

@media (max-width: 960px) {
  .channel-layout.sidebar-left {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }

  .channel-index {
    position: static;
  }

  .channel-index-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }

  .channel-index-item {
    flex: 0 1 auto;
  }

  .channel-index-link {
    grid-template-columns: 12px auto;
    align-items: center;
    padding: 6px 10px;
    border: 1px solid var(--ink-line);
    border-radius: var(--radius-sm);
    background: var(--paper);
  }

  .channel-index-link .swatch {
    margin-top: 0;
  }

  .channel-index-desc {
    display: none;
  }

  .page-layout.about-layout.sidebar-left {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }

  .page-toc {
    position: static;
  }

  .toc-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }

  .toc-list a {
    border: 1px solid var(--ink-line);
    border-left: 3px solid var(--ink-line);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
  }

  .about-body {
    max-width: none;
  }

  .field-legend {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pre-check-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }

  .footer-brand {
    max-width: none;
  }
}

@media (max-width: 860px) {
  .hero-editorial {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
    padding: 32px 0 40px;
  }

  .hero-focus {
    order: 2;
  }

  .map-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .entry-list {
    order: -1;
  }

  .checklist-summary {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .batch-nodes,
  .batch-node-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .topic-card-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .topic-card-wide {
    grid-template-columns: minmax(0, 1fr);
  }

  .topic-card-wide .topic-media {
    aspect-ratio: 16 / 9;
    min-height: 0;
  }

  .related-grid,
  .field-note-grid,
  .rules-columns,
  .boundary-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  body {
    font-size: 15px;
  }

  .header-inner {
    padding: 0 16px;
    min-height: 60px;
  }

  .site-nav {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .mobile-nav:not([hidden]) {
    display: block;
  }

  .inner-main,
  .home-main {
    padding-left: 16px;
    padding-right: 16px;
  }

  .breadcrumb {
    padding-top: 14px;
    font-size: 12px;
  }

  .page-header {
    padding: 10px 0 20px;
    margin-bottom: 26px;
  }

  .page-title {
    font-size: 24px;
  }

  .hero-copy h1 {
    font-size: 26px;
  }

  .hero-kicker {
    margin-bottom: 10px;
  }

  .hero-lead {
    font-size: 15px;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-ghost {
    flex: 1 1 auto;
  }

  .term-strip {
    gap: 10px 18px;
  }

  .term-item {
    min-width: 100px;
  }

  .section-head h2,
  .section-intro h2 {
    font-size: 20px;
  }

  .channel-map-entries,
  .batch-track,
  .catalog-preview,
  .checklist-summary {
    padding: 32px 0;
  }

  .channel-map-item {
    grid-template-columns: 12px minmax(0, 1fr);
    align-items: start;
    padding: 8px 8px;
  }

  .channel-desc {
    grid-column: 2;
  }

  .entry-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .record-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
    padding: 12px 2px;
  }

  .record-row .text-link {
    justify-self: start;
  }

  .related-links {
    gap: 8px 14px;
  }

  .channel-overview img,
  .catalog-guide img,
  .correction-guide img,
  .flow-figure img,
  .about-figure img {
    aspect-ratio: 16 / 9;
  }

  .channel-field-guide {
    padding: 18px 16px;
  }

  .field-legend {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .channel-detail h2,
  .catalog-table h2,
  .correction-types h2,
  .locating-checklist h2,
  .handling-rules h2,
  .about-section h2 {
    font-size: 19px;
  }

  .field-note {
    padding: 20px 16px;
  }

  .flow-steps {
    margin-left: 8px;
  }

  .flow-step {
    padding-left: 22px;
  }

  .boundary-note {
    padding: 20px 16px;
  }

  .rules-col,
  .boundary-col,
  .related-col {
    padding: 16px;
  }

  .pre-check-note {
    padding: 22px 16px;
  }

  .locate-item {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 10px;
    padding: 12px;
  }

  .structure-links {
    grid-template-columns: minmax(0, 1fr);
  }

  .error-main {
    padding: 44px 16px 60px;
  }

  .error-block {
    padding: 28px 20px;
  }

  .error-block h1 {
    font-size: 24px;
  }

  .footer-inner {
    padding: 32px 16px 26px;
  }

  .footer-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .footer-boundary,
  .footer-copy {
    padding-left: 16px;
    padding-right: 16px;
  }

  /* 表格在窄屏改为横向滚动，保留字段名 */
  .catalog-table,
  .entry-labels,
  .correction-types {
    overflow-x: auto;
  }
}

@media (max-width: 480px) {
  .footer-links {
    grid-template-columns: minmax(0, 1fr);
  }

  .focus-tags {
    gap: 6px;
  }

  .focus-tag {
    font-size: 12px;
  }

  .batch-links {
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}