/* ==========================================================================
   果果影视 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. base · 变量与基础重置
   -------------------------------------------------------------------------- */

:root {
  --paper: #F6EFE4;
  --surface: #FFFDF8;
  --ink: #1F2521;
  --ink-soft: #5C665F;
  --brick: #B94728;
  --brick-deep: #96371F;
  --teal: #1D4B43;
  --amber: #D99A2B;
  --line: #DDD0BE;
  --brick-tint: #F3DED2;
  --serif: "Songti SC", "Noto Serif SC", "STSong", "SimSun", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Hiragino Sans GB", sans-serif;
  --radius: 3px;
  --radius-lg: 5px;
  --shadow: 0 1px 2px rgba(31, 37, 33, 0.06);
  --shadow-soft: 0 2px 10px rgba(31, 37, 33, 0.05);
  --header-h: 72px;
  --maxw: 1160px;
  --readw: 760px;
}

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

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

body,
h1, h2, h3, h4,
p, figure, figcaption, dl, dd, dt,
ul, ol, li,
table, caption, thead, tbody, tr, th, td {
  margin: 0;
  padding: 0;
}

ul,
ol {
  list-style: none;
}

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

a {
  color: var(--brick);
  text-decoration: none;
  text-underline-offset: 3px;
}

a:hover,
a:focus-visible {
  color: var(--brick-deep);
  text-decoration: underline;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

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

/* 锁定骨架：body 基础文字与背景 */
.site-body {
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
  font-weight: 400;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --------------------------------------------------------------------------
   2. layout · 容器、页头、主导航、移动抽屉、页脚、主区骨架
   -------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 28px;
}

/* 页头 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background-color: var(--paper);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 28px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 26px;
}

.brand {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: 0;
  white-space: nowrap;
  flex: none;
}

.brand:hover,
.brand:focus-visible {
  color: var(--brick);
  text-decoration: none;
}

/* 主导航 */
.main-nav.site-nav {
  flex: 1 1 auto;
  min-width: 0;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: nowrap;
}

.site-nav a {
  display: inline-block;
  padding: 6px 0;
  min-height: 44px;
  line-height: 32px;
  font-size: 15px;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--brick);
  text-decoration: none;
}

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

/* 页头右侧入口 */
.nav-cta {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  font-size: 14px;
  color: var(--teal);
  border: 1px solid var(--teal);
  border-radius: var(--radius);
  background-color: transparent;
  white-space: nowrap;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background-color: var(--teal);
  color: var(--surface);
  text-decoration: none;
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  flex: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

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

/* 移动抽屉 */
.mobile-drawer {
  border-top: 1px solid var(--line);
  background-color: var(--surface);
  padding: 14px 28px 20px;
}

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

.mobile-drawer ul {
  display: flex;
  flex-direction: column;
}

.mobile-drawer li + li {
  border-top: 1px solid var(--line);
}

.mobile-drawer a {
  display: block;
  min-height: 48px;
  line-height: 48px;
  font-size: 16px;
  color: var(--ink);
}

.mobile-drawer a:hover,
.mobile-drawer a:focus-visible {
  color: var(--brick);
  text-decoration: none;
}

.drawer-note {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* 主区骨架 */
.site-main {
  flex: 1 0 auto;
  padding-bottom: 8px;
}

.inner-main .page-header,
.inner-main .container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 28px;
}

/* 面包屑 */
.breadcrumb {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px 28px 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

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

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

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

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

/* 页面标题区（内页统一） */
.page-header {
  padding-top: 14px;
  padding-bottom: 22px;
}

.page-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.18;
  color: var(--ink);
  letter-spacing: 0;
  max-width: 900px;
}

/* 页脚 */
.site-footer {
  flex: none;
  margin-top: 72px;
  background-color: var(--teal);
  color: #F1E8DA;
  padding-top: 52px;
}

.site-footer a {
  color: #F1E8DA;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: #FFFFFF;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-logo {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 10px;
}

.footer-slogan {
  font-size: 14px;
  line-height: 1.8;
  color: #D8CFC0;
}

.footer-title {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(241, 232, 218, 0.22);
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-nav a {
  display: inline-block;
  min-height: 36px;
  line-height: 36px;
  font-size: 14px;
  color: #D8CFC0;
}

.footer-note p {
  font-size: 13px;
  line-height: 1.8;
  color: #D8CFC0;
}

.footer-bottom {
  border-top: 1px solid rgba(241, 232, 218, 0.18);
  padding: 18px 28px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: #C6BCAC;
}

/* --------------------------------------------------------------------------
   3. components · 通用文字、按钮、链接、标签、卡片、表格、FAQ
   -------------------------------------------------------------------------- */

.eyebrow {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--brick);
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: 10px;
}

.section-head {
  margin-bottom: 26px;
}

.section-head h2 {
  font-family: var(--serif);
  font-size: clamp(24px, 2.6vw, 30px);
  font-weight: 600;
  line-height: 1.24;
  color: var(--ink);
  margin-bottom: 10px;
}

.section-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 720px;
}

.section-note,
.section-intro {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 18px;
  max-width: 720px;
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 600;
  line-height: 1.28;
  color: var(--ink);
  margin-bottom: 14px;
}

/* 按钮 */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--brick);
  color: #FFFFFF;
  border-color: var(--brick);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--brick-deep);
  border-color: var(--brick-deep);
  color: #FFFFFF;
  text-decoration: none;
}

.btn-secondary {
  background-color: transparent;
  color: var(--teal);
  border-color: var(--teal);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background-color: var(--teal);
  color: var(--surface);
  text-decoration: none;
}

/* 文字链接 */
.text-link,
.inline-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brick);
}

.text-link::after,
.inline-link::after {
  content: "→";
  font-size: 14px;
  line-height: 1;
}

.text-link:hover,
.inline-link:hover,
.text-link:focus-visible,
.inline-link:focus-visible {
  color: var(--brick-deep);
  text-decoration: underline;
}

/* 图容器统一约束 */
figure {
  margin: 0;
}

figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  background-color: var(--brick-tint);
}

figcaption {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin-top: 10px;
}

/* 表格通用 */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
  margin-bottom: 8px;
}

.table-wrap table {
  min-width: 640px;
}

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

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

.table-wrap thead th {
  background-color: var(--brick-tint);
  color: var(--ink);
  font-weight: 600;
  white-space: nowrap;
}

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

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

.table-wrap tbody tr:nth-child(even) {
  background-color: rgba(221, 208, 190, 0.16);
}

/* 更新类型标签 */
.update-tag {
  display: inline-block;
  padding: 2px 9px;
  font-size: 12px;
  line-height: 1.7;
  font-weight: 600;
  border-radius: 2px;
  white-space: nowrap;
}

.update-tag-channel,
.tag-channel {
  background-color: rgba(29, 75, 67, 0.12);
  color: var(--teal);
}

.update-tag-topic,
.tag-topic {
  background-color: var(--brick-tint);
  color: var(--brick-deep);
}

.update-tag-guide,
.tag-guide {
  background-color: rgba(217, 154, 43, 0.16);
  color: #8A5E10;
}

.update-tag-feedback,
.tag-feedback {
  background-color: rgba(92, 102, 95, 0.14);
  color: var(--ink-soft);
}

/* 下一步区（内页通用） */
.next-step,
.next-steps {
  margin-top: 48px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.next-step h2,
.next-steps h2 {
  font-family: var(--serif);
  font-size: clamp(20px, 2.2vw, 24px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 18px;
}

.next-grid,
.next-step-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.next-card,
.next-step-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 44px;
  padding: 20px 22px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brick);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: var(--ink);
}

.next-card:hover,
.next-card:focus-visible,
.next-step-card:hover,
.next-step-card:focus-visible {
  border-color: var(--brick);
  border-left-color: var(--brick-deep);
  text-decoration: none;
  color: var(--ink);
}

.next-label,
.next-step-name,
.next-card-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--brick);
}

.next-card strong,
.next-title {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}

.next-desc,
.next-step-desc,
.next-card-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* 相关内容条 */
.related-links {
  max-width: var(--maxw);
  margin: 40px auto 0;
  padding: 18px 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  border-top: 1px solid var(--line);
}

.related-links-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
}

.related-links-item {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  color: var(--brick);
}

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

.home-main {
  padding-top: 0;
}

/* 首屏 */
.hero {
  padding: 44px 0 56px;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 48px;
  align-items: start;
}

.hero-copy h1 {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 46px);
  font-weight: 600;
  line-height: 1.18;
  color: var(--ink);
  margin-bottom: 18px;
}

.hero-lead {
  font-size: 18px;
  line-height: 1.75;
  color: var(--ink-soft);
  margin-bottom: 22px;
  max-width: 620px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

.hero-tags a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--teal);
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.hero-tags a:hover,
.hero-tags a:focus-visible {
  border-color: var(--teal);
  text-decoration: none;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-media {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.hero-figure {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background-color: var(--surface);
  padding: 10px;
  box-shadow: var(--shadow-soft);
}

.hero-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 2px;
}

.hero-figure figcaption {
  margin-top: 10px;
  padding-inline: 2px;
}

/* 频道索引卡 */
.index-card {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}

.index-card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.index-card ul {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 8px;
}

.index-card li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
  padding: 3px 0;
}

.index-num {
  font-family: var(--sans);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  font-weight: 600;
  color: var(--brick);
  min-width: 22px;
}

/* 频道目录（首页） */
.channels-overview {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

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

.channel-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1.5fr) minmax(0, 1.2fr) minmax(0, 0.7fr);
  gap: 24px;
  align-items: start;
  padding: 20px 4px;
  border-bottom: 1px solid var(--line);
}

.channel-num,
.channel-no {
  font-family: var(--sans);
  font-variant-numeric: tabular-nums;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--brick);
}

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

.channel-name {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 4px;
}

.channel-topic,
.channel-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

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

.channel-scene-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--teal);
  margin-bottom: 2px;
}

.channel-scene p:not(.channel-scene-label) {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.channel-link {
  min-width: 0;
  display: flex;
  justify-content: flex-start;
}

/* 专题片单（首页） */
.topics-preview {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.topic-item {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 32px;
  align-items: start;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.topic-item:first-of-type {
  padding-top: 8px;
}

.topic-item:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
}

.topic-item-reverse {
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
}

.topic-item-reverse .topic-figure {
  order: 2;
}

.topic-item-reverse .topic-body {
  order: 1;
}

.topic-figure {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
  padding: 8px;
}

.topic-figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 2px;
}

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

.topic-name {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 10px;
}

.topic-scope,
.topic-channels,
.topic-order {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.topic-channels,
.topic-order {
  color: var(--ink);
}

.topic-body .text-link {
  margin-top: 6px;
}

/* 观看路径（首页） */
.watch-path {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.path-grid {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  gap: 40px;
  align-items: start;
}

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

.path-steps {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.path-step {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--line);
}

.path-step:last-child {
  border-bottom: 0;
}

.path-step .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-family: var(--sans);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  font-weight: 700;
  color: var(--surface);
  background-color: var(--teal);
  border-radius: 50%;
}

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

.step-title {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 4px;
}

.step-rule {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.path-aside {
  min-width: 0;
}

.aside-card {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--amber);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.aside-title {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 10px;
}

.aside-card > p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

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

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

.aside-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background-color: var(--brick);
  border-radius: 1px;
}

/* 更新记录摘要（首页） */
.updates-preview {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

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

.update-item {
  display: grid;
  grid-template-columns: 104px 96px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line);
}

.update-date {
  font-family: var(--sans);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  font-weight: 600;
  color: var(--teal);
}

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

/* 反馈建议说明（首页） */
.feedback-note {
  padding: 56px 0 8px;
}

.feedback-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  align-items: start;
}

.feedback-col {
  min-width: 0;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.feedback-col h2 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 10px;
}

.feedback-col > p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.feedback-subtitle {
  font-size: 13px;
  font-weight: 600;
  color: var(--teal);
  margin-bottom: 8px;
}

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

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

.feedback-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background-color: var(--teal);
  border-radius: 1px;
}

.feedback-list-muted li {
  color: var(--ink-soft);
}

.feedback-list-muted li::before {
  background-color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   5. pages · 内页通用标题区
   -------------------------------------------------------------------------- */

.page-head {
  padding-bottom: 26px;
}

.page-lede,
.page-lead,
.page-hero-lead {
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 760px;
}

.page-figure {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
  padding: 8px;
}

.page-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 2px;
}

/* --------------------------------------------------------------------------
   6. pages · 频道页
   -------------------------------------------------------------------------- */

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(0, 320px);
  gap: 24px;
  align-items: start;
  justify-content: space-between;
}

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

.page-aside {
  min-width: 0;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.page-aside h2 {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 8px;
}

.aside-intro {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

.aside-notes {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 14px;
}

.aside-notes li {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.aside-notes li:first-child {
  padding-top: 0;
  border-top: 0;
}

.aside-notes h3 {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 4px;
}

.aside-notes p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.aside-link {
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.aside-link a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brick);
}

/* 频道筛选 */
.channel-filter {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
}

.channel-filter h2,
.channel-list-section h2 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 8px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

.filter-btn {
  min-height: 44px;
  padding: 0 16px;
  font-size: 14px;
  color: var(--ink);
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.filter-btn.is-active {
  background-color: var(--brick);
  border-color: var(--brick);
  color: #FFFFFF;
}

/* 频道行（内页，含 .channel-body 结构） */
.channel-list-section .channel-row {
  grid-template-columns: 56px minmax(0, 1fr) minmax(0, 0.85fr) minmax(0, 0.55fr);
  gap: 20px;
}

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

.channel-row[hidden] {
  display: none;
}

/* --------------------------------------------------------------------------
   7. pages · 专题页
   -------------------------------------------------------------------------- */

.topic-index {
  margin-bottom: 34px;
  padding: 18px 20px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.topic-index-title {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.topic-index-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.topic-index-list a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 44px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--brick);
  border-radius: var(--radius);
  background-color: var(--paper);
  color: var(--ink);
}

.topic-index-list a:hover,
.topic-index-list a:focus-visible {
  border-color: var(--brick);
  text-decoration: none;
  color: var(--ink);
}

.topic-index-name {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
}

.topic-index-scope {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.topic-entry {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 32px;
  align-items: start;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.topic-entry:last-of-type {
  border-bottom: 0;
}

.topic-entry-reverse {
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
}

.topic-entry-reverse .topic-media {
  order: 2;
}

.topic-entry-reverse .topic-body {
  order: 1;
}

.topic-media {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
  padding: 8px;
}

.topic-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 2px;
}

.topic-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--brick);
  margin-bottom: 6px;
}

.topic-entry .topic-body h2 {
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 600;
  line-height: 1.32;
  color: var(--ink);
  margin-bottom: 10px;
}

.topic-entry .topic-body > p:not(.topic-tag):not(.topic-guide-link) {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

.topic-meta {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 8px 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 12px;
}

.topic-meta dt {
  font-size: 13px;
  font-weight: 600;
  color: var(--teal);
  line-height: 1.7;
}

.topic-meta dd {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
  min-width: 0;
}

.topic-meta dd a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  margin-right: 12px;
  font-size: 14px;
}

.topic-guide-link a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brick);
}

/* --------------------------------------------------------------------------
   8. pages · 观看指南
   -------------------------------------------------------------------------- */

.guide-body {
  max-width: var(--readw);
  margin-inline: auto;
  padding-inline: 0;
}

.guide-figure {
  margin-bottom: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
  padding: 8px;
}

.guide-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 2px;
}

.section {
  padding-top: 40px;
}

.section > .container {
  padding-inline: 28px;
}

.guide-body.section,
.container.guide-body {
  max-width: var(--readw);
}

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

.step-item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.step-item .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-family: var(--sans);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  font-weight: 700;
  color: var(--surface);
  background-color: var(--brick);
  border-radius: 50%;
}

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

.step-content h3 {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
  margin-bottom: 6px;
}

.step-content p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.step-judge {
  padding: 10px 14px;
  background-color: var(--surface);
  border-left: 3px solid var(--amber);
  border-radius: 2px;
  color: var(--ink) !important;
}

/* 标签解释表 */
.tag-table {
  min-width: 640px;
}

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

.faq-item {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 18px;
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 52px;
  padding: 14px 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  flex: none;
  font-size: 18px;
  font-weight: 400;
  color: var(--brick);
  line-height: 1;
}

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

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

.faq-item p {
  padding: 14px 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   9. pages · 入口核验
   -------------------------------------------------------------------------- */

.verify-figure {
  margin: 22px 0 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
  padding: 8px;
}

.verify-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 2px;
}

.verify-checks,
.verify-table-section,
.verify-path {
  padding-top: 40px;
}

.verify-checks h2,
.verify-table-section h2,
.verify-path h2 {
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 600;
  line-height: 1.32;
  color: var(--ink);
  margin-bottom: 10px;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 6px;
}

.check-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  padding: 20px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--teal);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.check-index {
  font-family: var(--sans);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  font-weight: 700;
  color: var(--brick);
}

.check-card h3 {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}

.check-card > p:not(.check-index):not(.check-note) {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.check-note {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--teal);
}

.verify-table {
  min-width: 680px;
}

.verify-path {
  padding-bottom: 4px;
}

.path-block {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
  padding: 20px 22px;
}

.path-block p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.path-block p + p {
  margin-top: 10px;
  color: var(--ink-soft);
}

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

.page-hero {
  padding-bottom: 8px;
}

.update-scope {
  padding: 26px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.update-scope h2 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 10px;
}

.update-scope > p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

.scope-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 24px;
}

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

.scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background-color: var(--brick);
  border-radius: 1px;
}

.scope-list strong {
  font-weight: 600;
  color: var(--teal);
}

.update-figure {
  margin: 30px 0 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
  padding: 8px;
}

.update-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 2px;
}

.update-timeline {
  padding-top: 34px;
}

.update-timeline > h2 {
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 600;
  line-height: 1.32;
  color: var(--ink);
  margin-bottom: 18px;
}

.update-month {
  margin-bottom: 30px;
  padding-left: 20px;
  border-left: 2px solid var(--line);
}

.update-month-title {
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 700;
  color: var(--teal);
  margin-bottom: 12px;
  margin-left: -20px;
  padding-left: 20px;
}

.update-month .update-list {
  border-top: 1px solid var(--line);
}

.update-month .update-item {
  display: grid;
  grid-template-columns: 96px 96px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line);
}

.update-month .update-item:last-child {
  border-bottom: 0;
}

.update-month .update-date {
  font-family: var(--sans);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  font-weight: 600;
  color: var(--teal);
}

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

.update-link {
  min-width: 0;
}

.update-link a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brick);
}

/* 类型标签图例 */
.update-legend {
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.update-legend h2 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 8px;
}

.update-legend > p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

.legend-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

/* --------------------------------------------------------------------------
   11. pages · 反馈建议
   -------------------------------------------------------------------------- */

.page-hero-inner {
  max-width: var(--readw);
  margin-inline: auto;
}

.feedback-scope,
.feedback-figure,
.feedback-prepare,
.feedback-process {
  padding-top: 40px;
}

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

.scope-col {
  min-width: 0;
  padding: 22px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.scope-accept {
  border-top: 3px solid var(--teal);
}

.scope-reject {
  border-top: 3px solid var(--ink-soft);
}

.scope-col-title {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 12px;
}

.scope-col .scope-list {
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

.scope-reject .scope-list li {
  color: var(--ink-soft);
}

.scope-reject .scope-list li::before {
  background-color: var(--ink-soft);
}

.content-figure {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
  padding: 8px;
}

.content-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 2px;
}

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

.prepare-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.prepare-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-family: var(--sans);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  font-weight: 700;
  color: var(--teal);
  background-color: var(--brick-tint);
  border-radius: 50%;
}

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

.prepare-body h3 {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 4px;
}

.prepare-body p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.process-step {
  min-width: 0;
  padding: 20px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brick);
  border-radius: var(--radius);
}

.process-step h3 {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
  margin-bottom: 6px;
}

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

.process-note {
  margin-top: 16px;
  padding: 14px 18px;
  background-color: var(--brick-tint);
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

/* --------------------------------------------------------------------------
   12. pages · 404
   -------------------------------------------------------------------------- */

.error-main {
  display: flex;
  align-items: center;
  padding: 64px 0 24px;
}

.error-inner {
  max-width: 720px;
}

.error-code {
  font-family: var(--serif);
  font-size: 64px;
  font-weight: 700;
  line-height: 1;
  color: var(--brick);
  margin-bottom: 12px;
}

.error-title {
  font-family: var(--serif);
  font-size: clamp(26px, 3.2vw, 34px);
  font-weight: 600;
  line-height: 1.24;
  color: var(--ink);
  margin-bottom: 12px;
}

.error-text {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 22px;
  max-width: 560px;
}

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

.error-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--teal);
  background-color: var(--surface);
  border: 1px solid var(--teal);
  border-radius: var(--radius);
}

.error-btn:hover,
.error-btn:focus-visible {
  background-color: var(--teal);
  color: var(--surface);
  text-decoration: none;
}

.error-hint {
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.error-hint h2 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 8px;
}

.error-hint > p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.error-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.error-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  color: var(--brick);
}

/* --------------------------------------------------------------------------
   13. responsive · 1200 / 900 / 760 / 640
   -------------------------------------------------------------------------- */

@media (max-width: 1200px) {
  .header-inner,
  .container,
  .inner-main .page-header,
  .inner-main .container {
    padding-inline: 24px;
  }

  .site-nav ul {
    gap: 18px;
  }

  .page-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
  }

  .hero-grid {
    gap: 36px;
  }
}

@media (max-width: 900px) {
  :root {
    --header-h: 60px;
  }

  .header-inner {
    height: var(--header-h);
    gap: 14px;
    justify-content: space-between;
  }

  .main-nav.site-nav {
    display: none;
  }

  .nav-cta {
    margin-left: auto;
    min-height: 40px;
    padding: 0 12px;
    font-size: 13px;
  }

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

  .hero {
    padding: 32px 0 44px;
  }

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

  .hero-media {
    order: 2;
  }

  .hero-figure img {
    aspect-ratio: 16 / 10;
  }

  .channel-row,
  .channel-list-section .channel-row {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 6px 18px;
    padding: 18px 0;
  }

  .channel-scene,
  .channel-link {
    grid-column: 2;
  }

  .channel-link {
    margin-top: 4px;
  }

  .topic-item,
  .topic-item-reverse,
  .topic-entry,
  .topic-entry-reverse {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .topic-item-reverse .topic-figure,
  .topic-entry-reverse .topic-media {
    order: 0;
  }

  .topic-item-reverse .topic-body,
  .topic-entry-reverse .topic-body {
    order: 1;
  }

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

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

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

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

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

  .update-item,
  .update-month .update-item {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 4px 16px;
    align-items: start;
  }

  .update-item .update-tag,
  .update-month .update-tag {
    justify-self: start;
  }

  .update-desc,
  .update-month .update-desc {
    grid-column: 2;
  }

  .update-link,
  .update-item .text-link {
    grid-column: 2;
    justify-self: start;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px;
  }
}

@media (max-width: 760px) {
  .scope-columns,
  .scope-list,
  .legend-list,
  .check-grid,
  .process-grid,
  .next-grid,
  .next-step-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .topic-meta {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .topic-meta dd {
    margin-bottom: 8px;
  }

  .step-item,
  .path-step,
  .prepare-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 14px;
  }

  .guide-body {
    padding-inline: 24px;
  }

  .section > .container {
    padding-inline: 24px;
  }
}

@media (max-width: 640px) {
  .header-inner,
  .container,
  .inner-main .page-header,
  .inner-main .container {
    padding-inline: 18px;
  }

  .mobile-drawer {
    padding: 12px 18px 18px;
  }

  .breadcrumb {
    padding: 16px 18px 0;
    font-size: 12px;
  }

  .brand {
    font-size: 19px;
  }

  .nav-cta {
    display: none;
  }

  .page-header {
    padding-top: 12px;
    padding-bottom: 18px;
  }

  .hero,
  .channels-overview,
  .topics-preview,
  .watch-path,
  .updates-preview,
  .feedback-note {
    padding-top: 36px;
    padding-bottom: 36px;
  }

  .hero-lead,
  .page-lede,
  .page-lead,
  .page-hero-lead {
    font-size: 16px;
  }

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

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

  .hero-tags a {
    padding: 0 12px;
  }

  .channel-row,
  .channel-list-section .channel-row {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 4px 14px;
  }

  .channel-num,
  .channel-no {
    font-size: 17px;
  }

  .channel-name {
    font-size: 17px;
  }

  .topic-figure,
  .topic-media,
  .page-figure,
  .guide-figure,
  .verify-figure,
  .update-figure,
  .content-figure {
    padding: 6px;
  }

  .aside-card,
  .page-aside,
  .feedback-col,
  .scope-col,
  .check-card,
  .process-step,
  .path-block {
    padding: 18px;
  }

  .update-item,
  .update-month .update-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
    padding: 16px 2px;
  }

  .update-desc,
  .update-month .update-desc,
  .update-link,
  .update-item .text-link {
    grid-column: 1;
  }

  .update-month {
    padding-left: 14px;
  }

  .update-month-title {
    margin-left: -14px;
    padding-left: 14px;
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
    padding-bottom: 30px;
  }

  .site-footer {
    padding-top: 36px;
    margin-top: 48px;
  }

  .related-links {
    padding: 14px 18px;
    gap: 6px 16px;
  }

  .error-main {
    padding: 44px 0 16px;
  }

  .error-code {
    font-size: 52px;
  }

  .table-wrap table {
    min-width: 560px;
  }

  .table-wrap th,
  .table-wrap td {
    padding: 10px 12px;
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}