/* ==========================================================================
   九一传媒 · 全站样式
   1. base       基础变量与元素重置
   2. layout     骨架：页头、导航、主容器、页脚、断点容器
   3. components 通用组件：按钮、字段卡、标签、图注、列表、相关页条
   4. pages      首页与各内页专属模块
   5. responsive 900px / 620px 两档断点
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. base
   -------------------------------------------------------------------------- */

:root {
  --ink-deep: #12212B;
  --sand: #F4F1EA;
  --paper: #FFFFFF;
  --brick: #C0562B;
  --stone: #2E6E7E;
  --ink-body: #1D262C;
  --gray: #5C6A72;
  --line: #D9D3C6;

  --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;

  --shell-width: 1120px;
  --shell-pad: 24px;
  --radius: 6px;
}

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

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

body {
  margin: 0;
  background: var(--sand);
  color: var(--ink-body);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
dd,
figure {
  margin: 0;
}

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

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

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

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

/* --------------------------------------------------------------------------
   2. layout · 页头与导航
   -------------------------------------------------------------------------- */

.site-header {
  position: relative;
  z-index: 30;
  background: var(--ink-deep);
  color: var(--sand);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  width: 100%;
  max-width: var(--shell-width);
  min-height: 64px;
  margin: 0 auto;
  padding: 0 var(--shell-pad);
}

.brand {
  flex: 0 0 auto;
  font-size: 19px;
  font-weight: 700;
  color: var(--sand);
  white-space: nowrap;
}

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

.nav-list {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-link {
  display: inline-block;
  padding: 6px 0;
  font-size: 15px;
  font-weight: 500;
  color: #C9CDCB;
  border-bottom: 2px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.nav-link:hover {
  color: var(--paper);
}

.nav-link.is-current {
  color: var(--paper);
  border-bottom-color: var(--brick);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0 10px;
  border-radius: var(--radius);
}

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

.mobile-panel {
  background: var(--ink-deep);
  border-top: 1px solid rgba(244, 241, 234, 0.14);
}

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

.mobile-nav-list {
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 8px var(--shell-pad) 20px;
}

.mobile-nav-list li + li {
  border-top: 1px solid rgba(244, 241, 234, 0.1);
}

.mobile-nav-list a {
  display: flex;
  align-items: center;
  min-height: 48px;
  font-size: 15px;
  color: #D7D9D6;
}

.mobile-nav-list a.is-current {
  color: var(--paper);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   2. layout · 主容器与页脚
   -------------------------------------------------------------------------- */

.site-main {
  display: block;
}

.home-main {
  padding-bottom: 24px;
}

.inner-main {
  width: 100%;
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 24px var(--shell-pad) 48px;
}

.site-footer {
  background: var(--ink-deep);
  color: #C9CDCB;
  margin-top: 24px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr 1.2fr;
  gap: 32px;
  width: 100%;
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 44px var(--shell-pad) 32px;
}

.footer-brand-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
  margin-bottom: 10px;
}

.footer-brand-desc {
  font-size: 13px;
  line-height: 1.9;
  color: #A9B0B3;
}

.footer-col-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--paper);
  margin-bottom: 12px;
}

.footer-links li + li {
  margin-top: 2px;
}

.footer-links a {
  display: inline-block;
  padding: 2px 0;
  font-size: 14px;
  line-height: 1.9;
  color: #B8BEC0;
  transition: color 0.16s ease;
}

.footer-links a:hover {
  color: var(--paper);
}

.footer-text {
  font-size: 13px;
  line-height: 1.9;
  color: #A9B0B3;
}

.footer-text + .footer-text {
  margin-top: 6px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  width: 100%;
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 16px var(--shell-pad) 24px;
  border-top: 1px solid rgba(244, 241, 234, 0.14);
}

.footer-copy,
.footer-note {
  font-size: 12px;
  color: #98A0A3;
}

/* --------------------------------------------------------------------------
   3. components · 按钮、字段卡、图注、标签
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.btn-primary {
  background: var(--brick);
  color: var(--paper);
}

.btn-primary:hover {
  background: #A8491F;
}

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

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

.field-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px 16px;
}

.field-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
}

.field-row + .field-row {
  border-top: 1px solid var(--line);
}

.field-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gray);
  line-height: 1.9;
}

.field-value {
  font-size: 14px;
  color: var(--ink-body);
  line-height: 1.7;
  word-break: break-word;
}

.field-list {
  margin: 0;
}

.field-mono,
.mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0;
}

.figure-caption,
.media-caption {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--gray);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brick);
  border-bottom: 1px solid transparent;
  transition: border-color 0.16s ease;
}

.text-link::after {
  content: "→";
  font-family: var(--font-mono);
}

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

.block-more {
  margin-top: 16px;
}

.section-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-deep);
}

.section-desc,
.section-lead,
.section-intro {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}

/* 状态与变更标签 */

.status-badge,
.change-tag,
.entry-status,
.log-type {
  display: inline-block;
  padding: 1px 8px;
  font-size: 12px;
  line-height: 1.7;
  border-radius: 3px;
  border: 1px solid transparent;
  white-space: nowrap;
}

.status-done,
.status-registered,
.entry-status.status-registered {
  background: rgba(46, 110, 126, 0.12);
  color: var(--stone);
  border-color: rgba(46, 110, 126, 0.35);
}

.status-pending,
.entry-status.status-pending {
  background: rgba(192, 86, 43, 0.1);
  color: var(--brick);
  border-color: rgba(192, 86, 43, 0.35);
}

.status-fixed,
.status-corrected,
.entry-status.status-corrected {
  background: rgba(29, 38, 44, 0.07);
  color: var(--ink-body);
  border-color: var(--line);
}

.change-new,
.log-type-add {
  background: var(--stone);
  color: var(--paper);
}

.change-adjust,
.log-type-field {
  background: var(--brick);
  color: var(--paper);
}

.change-fix,
.log-type-fix {
  background: var(--paper);
  color: var(--ink-body);
  border-color: var(--line);
}

/* 相关页条（内页底部） */

.related-bar,
.related-links {
  width: 100%;
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 24px var(--shell-pad) 8px;
}

.related-title,
.related-bar-title,
.related-links-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--gray);
  margin-bottom: 12px;
}

.related-list,
.related-bar-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.related-item,
.related-bar-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.16s ease;
}

.related-item:hover,
.related-bar-list li:hover {
  border-color: var(--stone);
}

.related-item a,
.related-bar-list a {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-deep);
}

.related-desc,
.related-note,
.related-bar-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
}

.related-links-label {
  margin-bottom: 0;
}

.related-links-item {
  font-size: 14px;
  font-weight: 600;
  color: var(--stone);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}

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

/* --------------------------------------------------------------------------
   3. components · 内页通用外壳（面包屑、标题区）
   -------------------------------------------------------------------------- */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 14px;
}

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

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

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

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

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--gray);
}

.breadcrumb-list .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 6px;
  color: var(--line);
}

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

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

.page-header {
  margin-bottom: 16px;
}

.page-title {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink-deep);
}

.page-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 40px;
  align-items: start;
  margin-bottom: 32px;
}

.page-head-text,
.page-head-main {
  min-width: 0;
}

.page-head-lead,
.page-lead {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-body);
}

.page-head-card,
.page-head-fields,
.page-fact-card {
  min-width: 0;
}

.page-fact-card .fact-list {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px 16px;
}

.fact-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
}

.fact-row + .fact-row {
  border-top: 1px solid var(--line);
}

.fact-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gray);
  line-height: 1.9;
}

.fact-value {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-body);
  word-break: break-word;
}

/* 内页两栏布局：主栏在前、侧栏在后 */

.page-layout,
.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(0, 320px);
  gap: 40px;
  align-items: start;
}

.content-main,
.main-column {
  min-width: 0;
}

.content-aside,
.side-column {
  min-width: 0;
}

.content-aside > * + *,
.side-column > * + * {
  margin-top: 28px;
}

.aside-block,
.field-guide,
.side-links {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.aside-title,
.aside-links-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-deep);
  margin-bottom: 10px;
}

.aside-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-body);
}

.aside-figure {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
}

.aside-figure img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 4px;
}

.aside-links,
.aside-link-list,
.side-link-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.aside-links a,
.aside-link-list a,
.side-link-list a {
  display: flex;
  align-items: center;
  min-height: 40px;
  font-size: 14px;
  color: var(--stone);
  border-bottom: 1px solid var(--line);
}

.aside-links li:last-child a,
.aside-link-list li:last-child a,
.side-link-list li:last-child a {
  border-bottom: 0;
}

.aside-links a:hover,
.aside-link-list a:hover,
.side-link-list a:hover {
  color: var(--brick);
}

/* --------------------------------------------------------------------------
   4. pages · 首页
   -------------------------------------------------------------------------- */

/* 首屏焦点区 */

.hero {
  background: var(--ink-deep);
  color: var(--sand);
  padding: 36px 0 40px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
  width: 100%;
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 0 var(--shell-pad);
}

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

.hero-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid rgba(244, 241, 234, 0.16);
}

.hero-figure .figure-caption {
  color: #A9B0B3;
}

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

.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--brick);
  margin-bottom: 8px;
}

.hero-title {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--sand);
  margin-bottom: 18px;
}

.hero-fields .field-card {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(244, 241, 234, 0.2);
}

.hero-fields .field-row + .field-row {
  border-top-color: rgba(244, 241, 234, 0.16);
}

.hero-fields .field-label {
  color: #A9B0B3;
}

.hero-fields .field-value {
  color: var(--sand);
}

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

.hero-actions .btn-ghost {
  color: var(--sand);
  border-color: rgba(244, 241, 234, 0.5);
}

.hero-actions .btn-ghost:hover {
  background: rgba(244, 241, 234, 0.1);
  border-color: var(--sand);
}

/* 频道标签条 */

.channel-tabs {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.channel-tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  width: 100%;
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 16px var(--shell-pad);
}

.channel-tab {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-body);
  background: var(--sand);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.channel-tab:hover {
  background: var(--paper);
  border-color: var(--stone);
}

.channel-tab.is-active {
  background: var(--brick);
  border-color: var(--brick);
  color: var(--paper);
}

/* 三块主区 */

.three-blocks {
  display: grid;
  grid-template-columns: 5fr 4fr 3fr;
  gap: 28px;
  align-items: start;
  width: 100%;
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 40px var(--shell-pad) 8px;
}

.block {
  min-width: 0;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.block-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-deep);
  margin-bottom: 14px;
}

.cover-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 4px;
}

.block-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-body);
}

.block-text + .block-text {
  margin-top: 12px;
}

.cover-figure + .block-text {
  margin-top: 14px;
}

.playlist-list {
  display: flex;
  flex-direction: column;
}

.playlist-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 72px 76px 72px;
  gap: 8px;
  align-items: center;
  padding: 10px 6px;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  transition: background-color 0.16s ease, border-left-color 0.16s ease;
}

.playlist-row:hover {
  background: var(--sand);
  border-left-color: var(--brick);
}

.playlist-no {
  color: var(--gray);
}

.playlist-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-deep);
  min-width: 0;
  overflow-wrap: anywhere;
}

.playlist-channel {
  font-size: 13px;
  color: var(--stone);
}

.playlist-date {
  color: var(--gray);
  text-align: right;
}

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

.note-points li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-body);
}

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

/* 更新记录时间线 */

.update-timeline,
.flow-steps,
.feedback-openings {
  width: 100%;
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 40px var(--shell-pad) 8px;
}

.timeline-head,
.flow-head,
.feedback-head {
  margin-bottom: 20px;
}

.timeline-list {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 6px 20px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 96px 88px 120px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
}

.timeline-item + .timeline-item {
  border-top: 1px solid var(--line);
}

.timeline-date {
  color: var(--gray);
}

.timeline-channel {
  font-size: 13px;
  color: var(--stone);
}

.timeline-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-body);
  min-width: 0;
}

/* 观看流程三步 + 示意图 */

.flow-body {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.flow-step {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  min-width: 0;
}

.flow-no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--brick);
  margin-bottom: 8px;
}

.flow-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-deep);
  margin-bottom: 6px;
}

.flow-check {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

.flow-figure {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  min-width: 0;
}

.flow-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 4px;
}

/* 反馈说明入口 */

.feedback-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feedback-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--stone);
  border-radius: var(--radius);
  padding: 18px;
  min-width: 0;
}

.feedback-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-deep);
  margin-bottom: 8px;
}

.feedback-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-body);
}

/* --------------------------------------------------------------------------
   4. pages · 频道索引
   -------------------------------------------------------------------------- */

.channel-filter {
  margin-bottom: 28px;
}

.channel-filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.channel-tag {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-body);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.channel-tag:hover {
  border-color: var(--stone);
}

.channel-tag.is-active {
  background: var(--brick);
  border-color: var(--brick);
  color: var(--paper);
}

.channel-filter-hint {
  margin-top: 10px;
  font-size: 13px;
  color: var(--gray);
}

.section {
  margin-bottom: 36px;
}

.section > .section-title {
  margin-bottom: 4px;
}

.section > .section-intro {
  margin-bottom: 18px;
}

.channel-def {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.channel-def + .channel-def {
  margin-top: 12px;
}

.channel-def-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-deep);
  margin-bottom: 6px;
}

.channel-def-pos {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-body);
  margin-bottom: 10px;
}

.channel-def-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 10px;
}

.channel-def-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-body);
}

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

.channel-def-exclude {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

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

.rule-item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.rule-index {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--brick);
  line-height: 1.7;
}

.rule-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-body);
  min-width: 0;
}

.rule-example {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
  min-width: 0;
}

.compare-table {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.compare-caption {
  caption-side: top;
  text-align: left;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--gray);
  border-bottom: 1px solid var(--line);
}

.compare-table th,
.compare-table td {
  padding: 12px 16px;
  text-align: left;
  font-size: 14px;
  line-height: 1.7;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.compare-table thead th {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--gray);
  background: var(--sand);
}

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

.compare-table tbody th {
  font-weight: 600;
  color: var(--ink-deep);
}

/* --------------------------------------------------------------------------
   4. pages · 专题片单
   -------------------------------------------------------------------------- */

.topic-overview,
.entry-list-block,
.archive-block {
  margin-bottom: 32px;
}

.topic-feature {
  display: grid;
  grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}

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

.topic-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 4px;
}

.topic-feature-body {
  min-width: 0;
}

.topic-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-deep);
  margin-bottom: 8px;
}

.topic-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-body);
}

.topic-meta {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: var(--gray);
}

.entry-list {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px 16px;
}

.entry-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 88px 96px 88px;
  gap: 10px;
  align-items: center;
  padding: 12px 4px;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  transition: background-color 0.16s ease, border-left-color 0.16s ease;
}

.entry-row:last-child {
  border-bottom: 0;
}

.entry-row:hover {
  background: var(--sand);
  border-left-color: var(--brick);
}

.entry-no {
  color: var(--gray);
}

.entry-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-deep);
  min-width: 0;
  overflow-wrap: anywhere;
}

.entry-channel {
  font-size: 13px;
  color: var(--stone);
}

.entry-date {
  color: var(--gray);
  text-align: right;
}

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

.archive-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 88px;
  gap: 4px 16px;
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.archive-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-deep);
  min-width: 0;
}

.archive-count {
  color: var(--gray);
  text-align: right;
}

.archive-note {
  grid-column: 1 / -1;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

.field-table {
  margin-top: 12px;
  border-top: 1px solid var(--line);
}

.field-table-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.field-table-name {
  color: var(--ink-deep);
  font-weight: 600;
}

.field-table-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
  min-width: 0;
}

.side-note {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

.side-note a {
  color: var(--brick);
  border-bottom: 1px solid transparent;
}

.side-note a:hover {
  border-bottom-color: var(--brick);
}

/* --------------------------------------------------------------------------
   4. pages · 观看流程
   -------------------------------------------------------------------------- */

.flow-step-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 18px;
}

.flow-step-list .flow-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 20px;
}

.flow-step-num {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--brick);
  line-height: 1.5;
}

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

.flow-step-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-deep);
  margin-bottom: 6px;
}

.flow-step-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-body);
}

.flow-step-check {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

.check-mark {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  border: 1px solid var(--stone);
  border-radius: 2px;
  transform: translateY(2px);
}

.verify-standard,
.flow-break {
  margin-top: 36px;
}

.standard-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.standard-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--stone);
  border-radius: var(--radius);
  padding: 16px 18px;
  min-width: 0;
}

.standard-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-deep);
  margin-bottom: 6px;
}

.standard-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-body);
}

.media-figure {
  margin-top: 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
}

.media-figure img {
  width: 100%;
  height: auto;
  max-height: 380px;
  object-fit: cover;
  border-radius: 4px;
}

.break-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 18px;
}

.break-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brick);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.break-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-deep);
  margin-bottom: 6px;
}

.break-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-body);
}

/* --------------------------------------------------------------------------
   4. pages · 观看须知
   -------------------------------------------------------------------------- */

.notes-shell {
  max-width: 860px;
  margin: 0 auto;
}

.notes-section {
  margin-bottom: 36px;
}

.notes-section > h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-deep);
  margin-bottom: 8px;
}

.notes-section > p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-body);
  margin-bottom: 16px;
}

.scope-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.scope-col {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  min-width: 0;
}

.scope-in {
  border-top: 3px solid var(--stone);
}

.scope-out {
  border-top: 3px solid var(--brick);
}

.scope-col h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-deep);
  margin-bottom: 10px;
}

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

.scope-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-body);
}

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

.scope-out .scope-list li::before {
  background: var(--brick);
}

.field-table-caption {
  caption-side: top;
  text-align: left;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--gray);
  background: var(--sand);
  border-bottom: 1px solid var(--line);
}

.notes-section .field-table {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 0;
}

.notes-section .field-table th,
.notes-section .field-table td {
  padding: 12px 16px;
  text-align: left;
  font-size: 14px;
  line-height: 1.75;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.notes-section .field-table thead th {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--gray);
  background: var(--sand);
}

.notes-section .field-table tbody th {
  width: 140px;
  font-weight: 600;
  color: var(--ink-deep);
}

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

.notes-figure {
  margin-top: 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
}

.notes-figure img {
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: cover;
  border-radius: 4px;
}

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

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

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 48px;
  padding: 12px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-deep);
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--stone);
}

.faq-item[open] summary::after {
  content: "−";
  color: var(--brick);
}

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

.faq-item p {
  padding: 12px 18px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-body);
}

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

.boundary-list li {
  padding: 14px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-body);
}

.boundary-list strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 600;
  color: var(--ink-deep);
}

/* --------------------------------------------------------------------------
   4. pages · 更新记录
   -------------------------------------------------------------------------- */

.log-section {
  margin-bottom: 36px;
}

.log-month + .log-month {
  margin-top: 24px;
}

.log-month-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-deep);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--ink-deep);
  margin-bottom: 4px;
}

.log-list {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 0;
  border-radius: 0 0 var(--radius) var(--radius);
  padding: 4px 18px;
}

.log-item {
  display: grid;
  grid-template-columns: 96px 84px 110px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
}

.log-item + .log-item {
  border-top: 1px solid var(--line);
}

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

.log-channel {
  font-size: 13px;
  color: var(--stone);
}

.log-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-body);
  min-width: 0;
}

.log-types {
  margin-top: 36px;
}

.type-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.type-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 16px;
  padding: 14px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.type-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-body);
  min-width: 0;
}

/* --------------------------------------------------------------------------
   4. pages · 反馈说明
   -------------------------------------------------------------------------- */

.feedback-scope,
.feedback-checklist,
.feedback-process {
  margin-bottom: 36px;
}

.feedback-scope > h2,
.feedback-checklist > h2,
.feedback-process > h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-deep);
  margin-bottom: 8px;
}

.feedback-type {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brick);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.feedback-type + .feedback-type {
  margin-top: 12px;
}

.feedback-type h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-deep);
  margin-bottom: 8px;
}

.feedback-judge {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-body);
  margin-bottom: 8px;
}

.field-tag {
  display: inline-block;
  padding: 1px 8px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--stone);
  background: rgba(46, 110, 126, 0.12);
  border: 1px solid rgba(46, 110, 126, 0.35);
  border-radius: 3px;
  white-space: nowrap;
}

.feedback-example,
.feedback-exclude {
  font-size: 13px;
  line-height: 1.75;
  color: var(--gray);
}

.feedback-example + .feedback-exclude {
  margin-top: 4px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
}

.checklist-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}

.checklist-item {
  display: grid;
  grid-template-columns: 24px minmax(120px, 200px) minmax(0, 1fr);
  gap: 8px 12px;
  align-items: center;
  padding: 12px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.checklist-box {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--brick);
  cursor: pointer;
}

.checklist-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-deep);
  cursor: pointer;
}

.checklist-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
  min-width: 0;
}

.checklist-footnote {
  margin-top: 12px;
  font-size: 13px;
  color: var(--gray);
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

.process-step {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.step-index {
  font-weight: 600;
  font-size: 15px;
  color: var(--brick);
  line-height: 1.7;
}

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

.step-body h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-deep);
  margin-bottom: 4px;
}

.step-body p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-body);
}

.process-note {
  margin-top: 16px;
  padding: 14px 18px;
  background: rgba(46, 110, 126, 0.08);
  border: 1px solid rgba(46, 110, 126, 0.28);
  border-radius: var(--radius);
}

.process-note p {
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-body);
}

/* --------------------------------------------------------------------------
   4. pages · 404
   -------------------------------------------------------------------------- */

.error-main {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  min-height: 60vh;
  padding: 56px var(--shell-pad) 64px;
}

.error-block {
  width: 100%;
  max-width: 640px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--brick);
  margin-bottom: 8px;
}

.error-title {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink-deep);
  margin-bottom: 12px;
}

.error-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-body);
  margin-bottom: 18px;
}

.error-tips {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  background: var(--sand);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.error-tips li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-body);
}

.error-path {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--stone);
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.error-note {
  margin-top: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

/* --------------------------------------------------------------------------
   5. responsive · 900px
   -------------------------------------------------------------------------- */

@media (max-width: 900px) {
  .header-inner {
    gap: 16px;
  }

  .nav-list {
    gap: 16px;
  }

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

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

  .three-blocks {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

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

  .page-head {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .page-layout,
  .content-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }

  .timeline-item {
    grid-template-columns: 88px 80px 108px minmax(0, 1fr);
    gap: 10px;
  }

  .log-item {
    grid-template-columns: 88px 76px 100px minmax(0, 1fr);
    gap: 10px;
  }

  .entry-row {
    grid-template-columns: 56px minmax(0, 1fr) 80px 88px 80px;
    gap: 8px;
  }

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

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

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

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

/* --------------------------------------------------------------------------
   5. responsive · 620px
   -------------------------------------------------------------------------- */

@media (max-width: 620px) {
  :root {
    --shell-pad: 16px;
  }

  .site-header .header-inner {
    min-height: 56px;
  }

  .primary-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    padding: 24px 0 28px;
  }

  .hero-title {
    font-size: 26px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .channel-tab-list {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 12px var(--shell-pad);
    -webkit-overflow-scrolling: touch;
  }

  .channel-tab {
    flex: 0 0 auto;
  }

  .channel-filter-list {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .channel-tag {
    flex: 0 0 auto;
  }

  .three-blocks,
  .update-timeline,
  .flow-steps,
  .feedback-openings {
    padding-top: 28px;
  }

  .playlist-row {
    grid-template-columns: 40px minmax(0, 1fr) auto;
    grid-template-areas:
      "no name status"
      "no channel date";
    row-gap: 4px;
    padding: 10px 4px;
  }

  .playlist-no {
    grid-area: no;
    align-self: start;
  }

  .playlist-name {
    grid-area: name;
  }

  .playlist-channel {
    grid-area: channel;
  }

  .playlist-row .status-badge {
    grid-area: status;
    justify-self: end;
  }

  .playlist-date {
    grid-area: date;
    text-align: right;
  }

  .timeline-item {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "date tag"
      "channel channel"
      "text text";
    row-gap: 4px;
    padding: 12px 0;
  }

  .timeline-date {
    grid-area: date;
  }

  .timeline-item .change-tag {
    grid-area: tag;
    justify-self: end;
  }

  .timeline-channel {
    grid-area: channel;
  }

  .timeline-text {
    grid-area: text;
  }

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

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

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

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding: 32px var(--shell-pad) 24px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 6px;
  }

  .page-head {
    gap: 16px;
    margin-bottom: 24px;
  }

  .field-row,
  .fact-row {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 10px;
  }

  .page-head-card .field-card,
  .page-head-fields .field-card {
    padding: 4px 14px;
  }

  .topic-feature {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .entry-list {
    padding: 4px 12px;
  }

  .entry-row {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "no date"
      "title title"
      "channel status";
    row-gap: 6px;
    padding: 12px 2px;
  }

  .entry-no {
    grid-area: no;
  }

  .entry-title {
    grid-area: title;
    font-size: 15px;
  }

  .entry-channel {
    grid-area: channel;
  }

  .entry-row .entry-status {
    grid-area: status;
    justify-self: end;
  }

  .entry-date {
    grid-area: date;
    text-align: right;
  }

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

  .field-table-row {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 10px;
  }

  .compare-table {
    display: block;
    border: 0;
    background: none;
    overflow: visible;
  }

  .compare-caption {
    padding: 0 0 10px;
    border-bottom: 0;
  }

  .compare-table thead {
    display: none;
  }

  .compare-table tbody,
  .compare-table tr,
  .compare-table th,
  .compare-table td {
    display: block;
    width: 100%;
  }

  .compare-table tbody tr {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 12px 14px;
  }

  .compare-table tbody tr + tr {
    margin-top: 10px;
  }

  .compare-table tbody th,
  .compare-table tbody td {
    padding: 4px 0;
    border-bottom: 0;
  }

  .compare-table tbody th {
    font-size: 13px;
    color: var(--gray);
    letter-spacing: 0.04em;
  }

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

  .notes-section .field-table,
  .notes-section .field-table thead,
  .notes-section .field-table tbody,
  .notes-section .field-table tr,
  .notes-section .field-table th,
  .notes-section .field-table td {
    display: block;
    width: 100%;
  }

  .notes-section .field-table thead {
    display: none;
  }

  .notes-section .field-table tbody tr {
    padding: 12px 14px;
    border-bottom: 1px solid var(--line);
  }

  .notes-section .field-table tbody tr:last-child {
    border-bottom: 0;
  }

  .notes-section .field-table tbody th {
    width: auto;
    padding: 0 0 4px;
    border-bottom: 0;
    font-family: var(--font-mono);
    font-size: 13px;
  }

  .notes-section .field-table tbody td {
    padding: 0;
    border-bottom: 0;
  }

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

  .flow-step-list .flow-step {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 10px;
    padding: 16px;
  }

  .log-item {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "date type"
      "channel channel"
      "desc desc";
    row-gap: 4px;
    padding: 12px 0;
  }

  .log-date {
    grid-area: date;
  }

  .log-item .log-type {
    grid-area: type;
    justify-self: end;
  }

  .log-channel {
    grid-area: channel;
  }

  .log-desc {
    grid-area: desc;
  }

  .log-list {
    padding: 4px 14px;
  }

  .type-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
    padding: 12px 14px;
  }

  .checklist-item {
    grid-template-columns: 24px minmax(0, 1fr);
    align-items: start;
    padding: 12px 14px;
  }

  .checklist-box {
    margin-top: 2px;
  }

  .checklist-note {
    grid-column: 2;
  }

  .process-step {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 10px;
    padding: 14px;
  }

  .rule-item {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 10px;
    padding: 14px;
  }

  .rule-example {
    grid-column: 2;
  }

  .aside-figure img {
    height: 180px;
  }

  .error-main {
    padding: 32px var(--shell-pad) 40px;
  }

  .error-block {
    padding: 24px 18px;
  }

  .error-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .error-actions .btn {
    width: 100%;
  }
}

/* 减少动态偏好 */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}