/* ==========================================================================
   极速影视 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base · 变量与基础重置
   -------------------------------------------------------------------------- */
:root {
  --paper: #ffffff;
  --paper-soft: #f7f6f1;
  --paper-line: #e4e1d8;
  --green: #2f6b4f;
  --green-deep: #24543e;
  --green-tint: #eef4ef;
  --ochre: #a8613a;
  --ochre-tint: #f7eee7;
  --lake: #3f6f8e;
  --lake-tint: #ecf2f6;
  --wheat: #c9a227;
  --wheat-tint: #faf4e0;
  --ink: #22201d;
  --ink-soft: #4c4941;
  --muted: #6d6a63;
  --radius: 4px;
  --radius-lg: 6px;
  --shell: 1120px;
  --gutter: 24px;
  --font-sans: "Source Han Sans SC", "Noto Sans SC", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", "DejaVu Sans Mono", "Menlo", "Consolas",
    "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;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
}

p {
  margin: 0;
}

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

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

a {
  color: var(--lake);
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease;
}

a:hover {
  color: var(--green);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

button {
  font-family: inherit;
  cursor: pointer;
}

table {
  border-collapse: collapse;
}

figure {
  margin: 0;
}

figcaption {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  margin-top: 8px;
}

time {
  font-family: var(--font-mono);
  font-style: normal;
}

/* --------------------------------------------------------------------------
   layout · 页头 / 导航 / 主容器 / 页脚
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--paper);
  border-bottom: 1px solid var(--paper-line);
}

.header-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 14px var(--gutter) 12px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  flex: 0 0 auto;
}

.brand:hover {
  color: var(--green);
}

.brand-mark {
  width: 10px;
  height: 26px;
  border-radius: 2px;
  background: var(--green);
  flex: 0 0 auto;
}

.brand-line {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
}

.brand-line::after {
  content: "按频道找内容 按专题看脉络";
  display: block;
  margin-top: 2px;
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
  line-height: 1.4;
}

.primary-nav {
  margin-left: auto;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 18px;
}

.site-nav a {
  display: inline-block;
  padding: 6px 0;
  font-size: 15px;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
}

.site-nav a:hover {
  color: var(--green);
  border-bottom-color: var(--paper-line);
}

.site-nav a.is-current {
  color: var(--green);
  font-weight: 700;
  border-bottom-color: var(--green);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  background: var(--paper);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
}

/* 次级导航轨道 */
.sub-rail {
  border-bottom: 1px solid var(--paper-line);
  background: var(--paper-soft);
}

.sub-rail ul,
.sub-rail .sub-rail-track,
.sub-rail .sub-rail-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.sub-rail-track {
  padding-top: 6px;
  padding-bottom: 6px;
}

.sub-rail li {
  flex: 0 0 auto;
}

.sub-rail a {
  display: inline-block;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--ink-soft);
  border: 1px solid transparent;
  border-radius: var(--radius);
  white-space: nowrap;
}

.sub-rail a:hover {
  background: var(--paper);
  border-color: var(--paper-line);
  color: var(--green);
}

.sub-rail a.is-current {
  background: var(--green-tint);
  border-color: #cfdfd3;
  color: var(--green-deep);
  font-weight: 600;
}

/* 面包屑 */
.breadcrumb {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 12px var(--gutter) 0;
  font-size: 13px;
  color: var(--muted);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

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

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

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

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

/* 主容器 */
.site-main {
  display: block;
}

.home-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter) 56px;
}

.inner-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter) 56px;
}

.page-layout {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter) 56px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 40px;
  align-items: start;
}

.page-layout > .inner-main {
  max-width: none;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.page-layout > .layout-shell {
  max-width: none;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.page-layout > aside {
  min-width: 0;
}

/* 页标题区（内页统一） */
.page-header {
  padding: 18px 0 22px;
  border-bottom: 1px solid var(--paper-line);
  margin-bottom: 28px;
}

.page-title {
  font-size: 34px;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 12px;
}

.page-lead {
  max-width: 42em;
  font-size: 16px;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

.page-header .page-title {
  margin-bottom: 0;
}

/* 页脚 */
.site-footer {
  border-top: 1px solid var(--paper-line);
  background: var(--paper-soft);
  color: var(--ink-soft);
}

.footer-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 32px var(--gutter) 28px;
}

.footer-brand {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--paper-line);
}

.footer-mark {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}

.footer-brand p + p {
  font-size: 14px;
  color: var(--muted);
  max-width: 46em;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--paper-line);
}

.footer-col h2 {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
}

.footer-col ul {
  display: grid;
  gap: 6px;
}

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

.footer-col a:hover {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-note {
  padding-top: 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.footer-copy {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   components · 通用组件
   -------------------------------------------------------------------------- */
.tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-block;
  padding: 2px 9px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink-soft);
  background: var(--paper-soft);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  white-space: nowrap;
}

.tag-channel {
  color: var(--lake);
  background: var(--lake-tint);
  border-color: #d3e0e9;
}

.tag-topic {
  color: var(--ochre);
  background: var(--ochre-tint);
  border-color: #ecd9cb;
}

.tag-collection {
  color: var(--ochre);
  background: var(--ochre-tint);
  border-color: #ecd9cb;
}

.tag-order {
  color: var(--green-deep);
  background: var(--green-tint);
  border-color: #cfdfd3;
}

.tag-status,
.tag-state {
  color: #8a6f16;
  background: var(--wheat-tint);
  border-color: #ecdfb4;
}

.tag-note {
  color: var(--muted);
  background: var(--paper-soft);
  border-color: var(--paper-line);
}

.tag-green {
  color: var(--green-deep);
  background: var(--green-tint);
  border-color: #cfdfd3;
}

.tag-blue {
  color: var(--lake);
  background: var(--lake-tint);
  border-color: #d3e0e9;
}

.tag-yellow {
  color: #8a6f16;
  background: var(--wheat-tint);
  border-color: #ecdfb4;
}

.tag-stone {
  color: var(--muted);
  background: var(--paper-soft);
  border-color: var(--paper-line);
}

.tag--channel {
  color: var(--lake);
  background: var(--lake-tint);
  border-color: #d3e0e9;
}

.tag--topic {
  color: var(--ochre);
  background: var(--ochre-tint);
  border-color: #ecd9cb;
}

.tag--note {
  color: var(--muted);
  background: var(--paper-soft);
  border-color: var(--paper-line);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 9px 20px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  border-radius: var(--radius);
  border: 1px solid transparent;
  text-align: center;
}

.btn-primary {
  background: var(--green);
  border-color: var(--green);
  color: #ffffff;
}

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

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

.btn-ghost:hover {
  border-color: var(--green);
  color: var(--green);
}

.text-link {
  color: var(--lake);
  font-size: 15px;
  border-bottom: 1px solid #c6d7e2;
}

.text-link:hover {
  color: var(--green);
  border-bottom-color: var(--green);
}

/* 箭头文字链接 */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--green);
}

.link-arrow::after {
  content: "→";
  font-size: 13px;
  transition: transform 0.18s ease;
}

.link-arrow:hover {
  color: var(--green-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.link-arrow:hover::after {
  transform: translateX(3px);
}

/* 区块标题（首页） */
.section-head {
  margin-bottom: 20px;
}

.section-head h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.section-head p {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 46em;
}

.section-foot {
  margin-top: 18px;
  font-size: 14px;
}

.section-intro {
  font-size: 15px;
  color: var(--ink-soft);
  margin: 8px 0 18px;
  max-width: 46em;
}

.section-note {
  margin-top: 14px;
  font-size: 14px;
  color: var(--muted);
}

.section-note a {
  margin-right: 12px;
}

/* 图片容器 */
.hero-media img,
.content-media img,
.channel-figure img,
.collection-cover img,
.archive-figure img,
.guide-figure img,
.media-figure img,
.section-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--paper-line);
  background: var(--paper-soft);
}

/* 折叠面板 */
.faq-list {
  display: grid;
  gap: 10px;
}

.faq-item {
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  background: var(--paper);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--green);
  flex: 0 0 auto;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item[open] summary {
  border-bottom: 1px solid var(--paper-line);
  color: var(--green-deep);
}

.faq-item p {
  padding: 12px 16px 14px;
  font-size: 15px;
  color: var(--ink-soft);
}

/* 打印按钮 */
.print-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 9px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-soft);
  background: var(--paper);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
}

.print-btn:hover {
  border-color: var(--green);
  color: var(--green);
}

/* 步骤卡（首页 / 专题片单共用） */
.step-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.step-card {
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
}

.step-no,
.step-num {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--green);
}

.step-card h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.step-card p {
  font-size: 15px;
  color: var(--ink-soft);
}

/* 检查点清单 */
.check-list {
  margin-top: 10px;
  display: grid;
  gap: 4px;
}

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

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--wheat);
}

/* 侧栏通用 */
.side-index,
.page-aside,
.side-column {
  font-size: 14px;
}

.side-index h2,
.page-aside h2,
.side-column h2,
.side-block h2,
.aside-block h2 {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--paper-line);
}

.side-index > h2 + nav,
.side-index > nav {
  margin-bottom: 22px;
}

.side-block,
.aside-block {
  margin-bottom: 24px;
}

.side-toc {
  display: grid;
  gap: 6px;
}

.side-toc a {
  display: block;
  padding: 4px 0 4px 10px;
  font-size: 14px;
  color: var(--ink-soft);
  border-left: 2px solid var(--paper-line);
}

.side-toc a:hover {
  color: var(--green);
  border-left-color: var(--green);
}

.side-links,
.related-list,
.side-index-list {
  display: grid;
  gap: 6px;
}

.side-links a,
.related-list a,
.side-index-list a {
  display: block;
  padding: 4px 0;
  font-size: 14px;
  color: var(--lake);
}

.side-links a:hover,
.related-list a:hover,
.side-index-list a:hover {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.side-note p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* 相关入口条 */
.related-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--paper-line);
}

.related-links-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}

.related-links-item {
  font-size: 14px;
  color: var(--green);
  font-weight: 600;
}

.related-links-item::after {
  content: " →";
}

.related-links-item:hover {
  color: var(--green-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --------------------------------------------------------------------------
   pages · 首页
   -------------------------------------------------------------------------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 460px);
  gap: 36px;
  align-items: start;
  padding: 36px 0 32px;
  border-bottom: 1px solid var(--paper-line);
}

.hero-text {
  min-width: 0;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0;
  color: var(--ochre);
  margin-bottom: 10px;
}

.hero h1 {
  font-size: 34px;
  line-height: 1.3;
  margin-bottom: 14px;
}

.hero-lead {
  font-size: 16px;
  color: var(--ink-soft);
  max-width: 34em;
  margin-bottom: 16px;
}

.hero-text .tag-group {
  margin-bottom: 20px;
}

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

.hero-media {
  min-width: 0;
}

.hero-media img {
  aspect-ratio: 4 / 3;
}

.content-media {
  grid-column: 2;
  min-width: 0;
}

.content-media img {
  aspect-ratio: 16 / 9;
}

/* 频道分类总览 */
.channels {
  padding: 36px 0 32px;
  border-bottom: 1px solid var(--paper-line);
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
}

.channel-card {
  display: flex;
  flex-direction: column;
  padding: 14px;
  background: var(--paper);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, background 0.18s ease;
}

.channel-card:hover {
  border-color: #cfdfd3;
  background: var(--paper-soft);
}

.channel-no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--lake);
  margin-bottom: 6px;
}

.channel-card h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.channel-card > p:not(.channel-no):not(.channel-meta) {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.channel-meta {
  margin: 10px 0 12px;
}

.channel-card .link-arrow {
  margin-top: auto;
  font-size: 13px;
}

/* 专题片单速览 */
.collections-preview {
  padding: 36px 0 32px;
  border-bottom: 1px solid var(--paper-line);
}

.collection-rows {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--paper-line);
}

.collection-row {
  display: grid;
  grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  gap: 28px;
  padding: 18px 0;
  border-bottom: 1px solid var(--paper-line);
}

.collection-main {
  min-width: 0;
}

.collection-main h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.collection-main > p:not(.collection-meta) {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.collection-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.collection-items {
  min-width: 0;
  display: grid;
  gap: 6px;
  align-content: start;
}

.collection-items .item-line {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 10px;
  font-size: 14px;
  color: var(--ink-soft);
  background: var(--paper-soft);
  border-radius: var(--radius);
}

.item-order {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--ochre);
}

/* 最新条目 */
.latest {
  padding: 36px 0 32px;
  border-bottom: 1px solid var(--paper-line);
}

.timeline {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--paper-line);
}

.timeline-item {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--paper-line);
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  padding-top: 3px;
}

.timeline-body {
  min-width: 0;
}

.timeline-body h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.timeline-body > p:not(.timeline-meta) {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.timeline-meta {
  margin-top: 8px;
}

/* 观看前准备 */
.prepare {
  padding: 36px 0 32px;
  border-bottom: 1px solid var(--paper-line);
}

.prepare-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* 常见问题摘要 */
.faq-preview {
  padding: 36px 0 8px;
}

.faq-preview .section-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

/* --------------------------------------------------------------------------
   pages · 频道分类
   -------------------------------------------------------------------------- */
.channel-list {
  margin-bottom: 36px;
}

.channel-list > h2,
.channel-topic-map > h2,
.update-rhythm > h2,
.collection-list > h2,
.collection-order > h2,
.cross-index > h2,
.collection-updates > h2,
.archive-timeline > h2,
.adjustment-note > h2,
.archive-to-collections > h2,
.guide-section > h2,
.symptom-list > h2,
.local-or-site > h2,
.feedback-hint > h2,
.related-entries > h2,
.feedback-types > h2,
.feedback-content > h2,
.process-order > h2,
.out-of-scope > h2 {
  font-size: 22px;
  margin-bottom: 4px;
}

.channel-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--paper-line);
}

.channel-item:first-of-type {
  border-top: 1px solid var(--paper-line);
}

.channel-item-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  margin-bottom: 14px;
}

.channel-item-head .channel-no {
  margin-bottom: 0;
  padding: 1px 8px;
  color: #ffffff;
  background: var(--green);
  border-radius: var(--radius);
  font-size: 12px;
}

.channel-item-head h3 {
  font-size: 19px;
}

.channel-scope {
  flex: 1 1 100%;
  font-size: 14px;
  color: var(--muted);
}

.channel-item-body {
  display: grid;
  grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

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

.channel-figure img {
  aspect-ratio: 4 / 3;
}

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

.channel-item-detail h4 {
  font-size: 16px;
  margin-bottom: 6px;
}

.channel-item-detail > p {
  font-size: 15px;
  color: var(--ink-soft);
}

.summary-list {
  margin-top: 10px;
  display: grid;
  gap: 6px;
}

.summary-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.summary-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--lake);
}

/* 频道与专题对应表 */
.channel-topic-map {
  margin-bottom: 36px;
}

.map-table {
  width: 100%;
  font-size: 14px;
  background: var(--paper);
  border: 1px solid var(--paper-line);
}

.map-table caption {
  padding: 8px 0;
  font-size: 13px;
  color: var(--muted);
  text-align: left;
}

.map-table th,
.map-table td {
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--paper-line);
}

.map-table thead th {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  background: var(--paper-soft);
  border-bottom: 1px solid var(--paper-line);
}

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

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

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

/* 更新节奏 */
.update-rhythm {
  margin-bottom: 28px;
}

.rhythm-block {
  padding: 14px 0;
  border-bottom: 1px solid var(--paper-line);
}

.rhythm-block h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.rhythm-block p {
  font-size: 15px;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages · 专题片单
   -------------------------------------------------------------------------- */
.collection-list {
  margin-bottom: 36px;
}

.collection-block {
  padding: 20px 0;
  border-bottom: 1px solid var(--paper-line);
}

.collection-block:first-of-type {
  border-top: 1px solid var(--paper-line);
}

.collection-cover {
  margin-bottom: 14px;
  max-width: 420px;
}

.collection-cover img {
  aspect-ratio: 16 / 9;
}

.collection-head {
  margin-bottom: 12px;
}

.collection-head h3 {
  font-size: 19px;
  margin-bottom: 6px;
}

.collection-desc {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

.collection-head .tag-group {
  gap: 6px;
}

.collection-items .items-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 8px;
}

.collection-items ol {
  display: grid;
  gap: 6px;
  counter-reset: item-order;
}

.collection-items ol li {
  position: relative;
  counter-increment: item-order;
  padding: 6px 10px 6px 40px;
  font-size: 14px;
  color: var(--ink-soft);
  background: var(--paper-soft);
  border-radius: var(--radius);
}

.collection-items ol li::before {
  content: counter(item-order, decimal-leading-zero);
  position: absolute;
  left: 10px;
  top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--ochre);
}

/* 条目顺序说明 */
.collection-order {
  margin-bottom: 36px;
}

/* 交叉索引 */
.cross-index {
  margin-bottom: 36px;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
}

.index-table {
  width: 100%;
  min-width: 480px;
  font-size: 14px;
  background: var(--paper);
  border: 1px solid var(--paper-line);
}

.index-table caption {
  padding: 8px 0;
  font-size: 13px;
  color: var(--muted);
  text-align: left;
}

.index-table th,
.index-table td {
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--paper-line);
}

.index-table thead th {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  background: var(--paper-soft);
}

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

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

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

/* 专题更新记录 */
.collection-updates {
  margin-bottom: 24px;
}

.update-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--paper-line);
}

.update-list li {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--paper-line);
}

.update-date {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
}

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

.update-note {
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   pages · 最新条目归档
   -------------------------------------------------------------------------- */
.archive-timeline {
  margin-bottom: 36px;
}

.archive-figure {
  margin-bottom: 22px;
}

.archive-figure img {
  aspect-ratio: 16 / 7;
}

.timeline-group {
  margin-bottom: 24px;
}

.timeline-month {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--green-deep);
  padding: 6px 0;
  border-bottom: 2px solid var(--green);
  margin-bottom: 4px;
}

.timeline-list {
  display: grid;
  gap: 0;
}

.archive-timeline .timeline-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--paper-line);
}

.archive-timeline .timeline-date {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ochre);
  padding-top: 2px;
}

.timeline-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline-summary {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* 条目调整说明 */
.adjustment-note {
  margin-bottom: 36px;
  padding: 18px;
  background: var(--paper-soft);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
}

.adjustment-note > p {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

.note-rules {
  display: grid;
  gap: 6px;
  margin-top: 10px;
}

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

.note-rules li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--wheat);
}

/* 回到专题 */
.archive-to-collections {
  margin-bottom: 24px;
}

.archive-to-collections > p {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.entry-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.entry-link {
  display: inline-block;
  padding: 8px 14px;
  font-size: 14px;
  color: var(--green-deep);
  background: var(--green-tint);
  border: 1px solid #cfdfd3;
  border-radius: var(--radius);
}

.entry-link:hover {
  background: #ffffff;
  border-color: var(--green);
  color: var(--green);
}

/* 月份跳转 */
.month-index h2 {
  margin-top: 0;
}

.month-list {
  display: grid;
  gap: 6px;
  margin-bottom: 22px;
}

.month-list a {
  display: block;
  padding: 4px 0 4px 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink-soft);
  border-left: 2px solid var(--paper-line);
}

.month-list a:hover {
  color: var(--green);
  border-left-color: var(--green);
}

/* --------------------------------------------------------------------------
   pages · 观看指南
   -------------------------------------------------------------------------- */
.guide-section {
  margin-bottom: 36px;
}

.guide-section > p {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 16px;
}

.guide-figure {
  margin-bottom: 18px;
  max-width: 560px;
}

.guide-figure img {
  aspect-ratio: 16 / 9;
}

.step-list {
  display: grid;
  gap: 12px;
}

.guide-section .step-list {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.step-list > .step-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 16px;
  background: var(--paper);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
}

.guide-section .step-card .step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin-bottom: 0;
  font-size: 13px;
  color: #ffffff;
  background: var(--green);
  border-radius: var(--radius);
}

.step-body {
  min-width: 0;
}

.step-body h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.step-body p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.checkpoint {
  margin-top: 8px;
  padding: 6px 10px;
  font-size: 13px;
  color: #8a6f16;
  background: var(--wheat-tint);
  border: 1px solid #ecdfb4;
  border-radius: var(--radius);
}

.checkpoint::before {
  content: "检查点";
  display: inline-block;
  margin-right: 8px;
  font-weight: 700;
  color: var(--ochre);
}

/* 入口核验表 */
.verify-table {
  width: 100%;
  font-size: 14px;
  background: var(--paper);
  border: 1px solid var(--paper-line);
}

.verify-table caption {
  padding: 8px 0;
  font-size: 13px;
  color: var(--muted);
  text-align: left;
}

.verify-table th,
.verify-table td {
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--paper-line);
}

.verify-table thead th {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  background: var(--paper-soft);
}

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

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

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

/* 注意事项 */
.note-list {
  display: grid;
  gap: 12px;
}

.note-item {
  padding: 12px 16px;
  background: var(--paper-soft);
  border-left: 3px solid var(--lake);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.note-item h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.note-item p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin-top: 20px;
}

/* 速查表 */
.checklist {
  display: grid;
  gap: 6px;
}

.checklist li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--green);
}

/* --------------------------------------------------------------------------
   pages · 故障处理
   -------------------------------------------------------------------------- */
.symptom-list {
  margin-bottom: 36px;
}

.symptom-item {
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  background: var(--paper);
  margin-bottom: 10px;
}

.symptom-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.symptom-item summary::-webkit-details-marker {
  display: none;
}

.symptom-item summary::after {
  content: "展开";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
}

.symptom-item[open] summary {
  border-bottom: 1px solid var(--paper-line);
  color: var(--green-deep);
}

.symptom-item[open] summary::after {
  content: "收起";
  color: var(--green);
}

.symptom-body {
  padding: 12px 16px 16px;
}

.symptom-body > p {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

.symptom-body .step-list {
  grid-template-columns: 1fr;
  gap: 8px;
}

.symptom-body .step-list li {
  position: relative;
  padding: 8px 10px 8px 34px;
  font-size: 14px;
  color: var(--ink-soft);
  background: var(--paper-soft);
  border-radius: var(--radius);
  counter-increment: symptom-step;
}

.symptom-body .step-list {
  counter-reset: symptom-step;
}

.symptom-body .step-list li::before {
  content: counter(symptom-step);
  position: absolute;
  left: 10px;
  top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--green);
}

/* 本地与站点侧判断 */
.local-or-site {
  margin-bottom: 36px;
}

.media-figure {
  margin-bottom: 18px;
}

.media-figure img {
  aspect-ratio: 16 / 9;
}

.compare-table {
  width: 100%;
  font-size: 14px;
  background: var(--paper);
  border: 1px solid var(--paper-line);
}

.compare-table caption {
  padding: 8px 0;
  font-size: 13px;
  color: var(--muted);
  text-align: left;
}

.compare-table th,
.compare-table td {
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--paper-line);
}

.compare-table thead th {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  background: var(--paper-soft);
}

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

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

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

.table-note {
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
}

/* 反馈提示 */
.feedback-hint {
  margin-bottom: 36px;
}

.hint-list {
  display: grid;
  gap: 8px;
}

.hint-list li {
  padding: 10px 14px;
  font-size: 14px;
  color: var(--ink-soft);
  background: var(--paper-soft);
  border-left: 3px solid var(--wheat);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.hint-list strong {
  display: block;
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 2px;
}

.hint-link {
  margin-top: 14px;
  font-size: 14px;
}

.hint-link a {
  margin-right: 14px;
  color: var(--green);
  font-weight: 600;
}

/* 相关条目带 */
.related-entries {
  margin-bottom: 24px;
}

.entry-band {
  display: grid;
  gap: 8px;
}

.entry-band li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  padding: 10px 14px;
  background: var(--paper);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
}

.entry-band a {
  font-size: 15px;
  font-weight: 600;
  color: var(--green);
}

.entry-band a:hover {
  color: var(--green-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.entry-band span {
  font-size: 13px;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   pages · 问题反馈
   -------------------------------------------------------------------------- */
.main-column {
  min-width: 0;
}

.feedback-types {
  margin-bottom: 36px;
}

.section-figure {
  margin-bottom: 18px;
  max-width: 480px;
}

.section-figure img {
  aspect-ratio: 16 / 9;
}

.feedback-type {
  padding: 16px 0;
  border-bottom: 1px solid var(--paper-line);
}

.feedback-type:first-of-type {
  border-top: 1px solid var(--paper-line);
}

.feedback-type h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.feedback-type > p {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

.feedback-type > p a {
  color: var(--green);
  font-weight: 600;
}

.point-list {
  display: grid;
  gap: 6px;
}

.point-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.point-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--lake);
}

/* 反馈要点 */
.feedback-content {
  margin-bottom: 36px;
}

.field-list {
  display: grid;
  gap: 10px;
  counter-reset: field-step;
}

.field-item {
  position: relative;
  counter-increment: field-step;
  padding: 12px 16px 12px 46px;
  background: var(--paper);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
}

.field-item::before {
  content: counter(field-step, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--ochre);
}

.field-item h3 {
  font-size: 15px;
  margin-bottom: 3px;
}

.field-item p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* 处理顺序 */
.process-order {
  margin-bottom: 36px;
}

.process-order .step-list {
  counter-reset: process-step;
  gap: 10px;
}

.step-item {
  position: relative;
  counter-increment: process-step;
  padding: 12px 16px 12px 48px;
  background: var(--paper-soft);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
}

.step-item .step-num {
  position: absolute;
  left: 14px;
  top: 12px;
  margin-bottom: 0;
  font-size: 13px;
  color: var(--green);
}

.step-item h3 {
  font-size: 15px;
  margin-bottom: 3px;
}

.step-item p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* 不在处理范围 */
.out-of-scope {
  margin-bottom: 24px;
}

.scope-list {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.scope-list li {
  padding: 12px 14px;
  background: var(--paper);
  border: 1px solid var(--paper-line);
  border-left: 3px solid var(--ochre);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.scope-list h3 {
  font-size: 15px;
  margin-bottom: 3px;
}

.scope-list p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* 侧栏补充块 */
.side-column .side-block {
  padding: 14px;
  background: var(--paper-soft);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
}

.side-column .side-block h2 {
  border-bottom-color: var(--paper-line);
}

.tip-list {
  display: grid;
  gap: 6px;
}

.tip-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.tip-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--wheat);
}

/* --------------------------------------------------------------------------
   pages · 404
   -------------------------------------------------------------------------- */
.error-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter) 56px;
}

.error-inner {
  padding: 48px 0 24px;
  max-width: 720px;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--ochre);
  margin-bottom: 10px;
}

.error-inner h1 {
  font-size: 34px;
  line-height: 1.3;
  margin-bottom: 14px;
}

.error-lead {
  font-size: 16px;
  color: var(--ink-soft);
  margin-bottom: 22px;
  max-width: 40em;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.error-paths {
  padding-top: 22px;
  border-top: 1px solid var(--paper-line);
}

.error-paths h2 {
  font-size: 18px;
  margin-bottom: 12px;
}

.error-paths ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 8px;
}

.error-paths a {
  display: block;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--green-deep);
  background: var(--paper-soft);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
}

.error-paths a:hover {
  border-color: var(--green);
  color: var(--green);
}

.error-note {
  margin-top: 22px;
  font-size: 14px;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   responsive · 960px
   -------------------------------------------------------------------------- */
@media (max-width: 960px) {
  .page-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding-top: 28px;
  }

  .content-media {
    grid-column: 1;
  }

  .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .channel-item-body {
    grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
    gap: 20px;
  }

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

/* --------------------------------------------------------------------------
   responsive · 640px（含 390px 手机）
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  :root {
    --gutter: 16px;
  }

  body {
    font-size: 15px;
  }

  .header-inner {
    padding: 10px var(--gutter);
    gap: 6px 12px;
  }

  .brand-line {
    font-size: 18px;
  }

  .brand-line::after {
    font-size: 11px;
  }

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

  .primary-nav {
    margin-left: 0;
    width: 100%;
    display: none;
  }

  .primary-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 6px 0 10px;
    border-top: 1px solid var(--paper-line);
  }

  .site-nav li {
    border-bottom: 1px solid var(--paper-line);
  }

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

  .site-nav a {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 8px 4px;
    border-bottom: 0;
    font-size: 15px;
  }

  .site-nav a.is-current {
    border-bottom: 0;
    color: var(--green);
  }

  .sub-rail ul,
  .sub-rail .sub-rail-track,
  .sub-rail .sub-rail-inner {
    padding-left: var(--gutter);
    padding-right: var(--gutter);
  }

  .breadcrumb {
    padding-top: 10px;
  }

  .home-main,
  .inner-main,
  .page-layout,
  .error-main {
    padding-bottom: 40px;
  }

  .page-header {
    padding: 14px 0 16px;
    margin-bottom: 22px;
  }

  .page-title,
  .hero h1,
  .error-inner h1 {
    font-size: 26px;
  }

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

  .section-head h2,
  .channel-list > h2,
  .channel-topic-map > h2,
  .update-rhythm > h2,
  .collection-list > h2,
  .collection-order > h2,
  .cross-index > h2,
  .collection-updates > h2,
  .archive-timeline > h2,
  .adjustment-note > h2,
  .archive-to-collections > h2,
  .guide-section > h2,
  .symptom-list > h2,
  .local-or-site > h2,
  .feedback-hint > h2,
  .related-entries > h2,
  .feedback-types > h2,
  .feedback-content > h2,
  .process-order > h2,
  .out-of-scope > h2 {
    font-size: 20px;
  }

  .hero {
    padding: 22px 0 24px;
  }

  .hero-actions .btn,
  .prepare-actions .btn,
  .error-actions .btn {
    flex: 1 1 160px;
  }

  .channels,
  .collections-preview,
  .latest,
  .prepare {
    padding: 26px 0 24px;
  }

  .faq-preview {
    padding-top: 26px;
  }

  .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .channel-card {
    padding: 12px;
  }

  .channel-card h3 {
    font-size: 15px;
  }

  .channel-card > p:not(.channel-no):not(.channel-meta) {
    font-size: 13px;
  }

  .collection-row {
    padding: 14px 0;
  }

  .collection-items .item-line {
    padding: 6px 8px;
    font-size: 13px;
  }

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

  .timeline-date {
    padding-top: 0;
  }

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

  .channel-item-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .channel-figure {
    max-width: 100%;
  }

  .channel-item-head h3 {
    font-size: 17px;
  }

  .map-table,
  .verify-table,
  .compare-table,
  .index-table {
    font-size: 13px;
  }

  .map-table th,
  .map-table td,
  .verify-table th,
  .verify-table td,
  .compare-table th,
  .compare-table td,
  .index-table th,
  .index-table td {
    padding: 8px 10px;
  }

  .map-table tbody th,
  .verify-table tbody th,
  .index-table tbody th {
    white-space: normal;
  }

  .update-list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .archive-timeline .timeline-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .archive-figure img {
    aspect-ratio: 16 / 9;
  }

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

  .step-list > .step-card {
    grid-template-columns: auto minmax(0, 1fr);
  }

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

  .footer-columns {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
    padding: 18px 0;
  }

  .footer-inner {
    padding: 24px var(--gutter) 22px;
  }

  .entry-band li {
    padding: 10px 12px;
  }

  .error-inner {
    padding: 32px 0 16px;
  }

  .error-paths ul {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* --------------------------------------------------------------------------
   打印样式
   -------------------------------------------------------------------------- */
@media print {
  .site-header,
  .sub-rail,
  .breadcrumb,
  .site-footer,
  .side-index,
  .page-aside,
  .side-column,
  .print-btn,
  .action-row,
  .related-links,
  .prepare-actions {
    display: none !important;
  }

  .page-layout {
    display: block;
    padding: 0;
  }

  body {
    color: #000000;
    background: #ffffff;
  }

  a {
    color: #000000;
  }
}

/* 程序验收反馈：移动端防溢出 */
@media (max-width: 768px) {
  .site-main,
  .site-main * {
    min-width: 0;
    max-width: 100%;
  }

  .site-main :is(h1, h2, h3, h4, p, a, span) {
    overflow-wrap: anywhere;
  }
}