/* ==========================================================================
   基础层：变量、重置、排版、通用工具
   ========================================================================== */

:root {
  --canvas: #f4f5f3;
  --surface: #ffffff;
  --ink: #17201f;
  --ink-soft: #5b6763;
  --primary: #1f5f5b;
  --primary-dark: #174a47;
  --primary-soft: #e8efed;
  --accent: #b8552f;
  --accent-soft: #fbf2ee;
  --line: #dfe2dd;
  --head-bg: #e8efed;
  --radius: 4px;
  --radius-lg: 8px;
  --container: 1180px;
  --gap: 24px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
}

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

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

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

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

ul,
ol {
  list-style: none;
}

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

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

a:hover {
  text-decoration: underline;
}

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

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

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

/* ==========================================================================
   布局层：全站骨架（页头 / 主容器 / 页脚 / 内容宽度）
   ========================================================================== */

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

.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  flex-shrink: 0;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
}

.brand-slogan {
  font-size: 12px;
  color: var(--ink-soft);
  white-space: nowrap;
}

.site-nav {
  flex: 1 1 auto;
  min-width: 0;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 6px;
}

.nav-list li {
  display: block;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 6px 10px;
  font-size: 15px;
  color: var(--ink);
  border-radius: var(--radius);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.nav-link:hover {
  background-color: var(--primary-soft);
  color: var(--primary);
  text-decoration: none;
}

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

.nav-secondary {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 6px 12px;
  font-size: 14px;
  color: var(--primary);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  white-space: nowrap;
}

.nav-secondary:hover {
  background-color: var(--primary-soft);
  text-decoration: none;
}

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

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

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

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

.mobile-nav-list li {
  display: block;
}

.mobile-nav-list a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 12px;
  font-size: 16px;
  color: var(--ink);
  border-radius: var(--radius);
}

.mobile-nav-list a:hover,
.mobile-nav-list a:focus-visible {
  background-color: var(--primary-soft);
  color: var(--primary);
  text-decoration: none;
}

.site-main {
  display: block;
}

.home-main,
.inner-main,
.error-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 64px;
}

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

/* 内页统一骨架：面包屑 + 页标题区 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 20px 0 0;
  font-size: 14px;
  color: var(--ink-soft);
}

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

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

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

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

.page-header {
  padding: 18px 0 4px;
}

.page-title {
  font-size: 30px;
  line-height: 1.35;
  font-weight: 600;
  color: var(--ink);
}

/* ==========================================================================
   组件层：通用区块标题、按钮、表格、标签、折叠、相关入口
   ========================================================================== */

.section {
  padding: 40px 0 0;
}

.section-head {
  margin-bottom: 20px;
  max-width: 760px;
}

.section-num,
.section-no,
.section-index {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  margin-bottom: 4px;
}

.section-title,
.section-head h2 {
  font-size: 20px;
  line-height: 1.4;
  font-weight: 600;
  color: var(--ink);
}

.section-note,
.section-desc {
  margin-top: 6px;
  font-size: 14px;
  color: var(--ink-soft);
}

.section-code {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  margin-right: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

.btn-ghost {
  background-color: var(--surface);
  color: var(--primary);
  border-color: var(--line);
}

.btn-ghost:hover {
  background-color: var(--primary-soft);
  border-color: var(--primary);
}

.link-arrow,
.entry-link,
.channel-link,
.migration-link,
.advice-link,
.related-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
}

.link-arrow::after,
.entry-link::after,
.channel-link::after,
.migration-link::after,
.advice-link::after {
  content: "→";
  font-size: 14px;
}

.table-scroll,
.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  text-align: left;
}

.data-table caption {
  text-align: left;
}

.data-table th,
.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.6;
}

.data-table thead th {
  background-color: var(--head-bg);
  color: var(--ink);
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
}

.data-table tbody th {
  font-weight: 600;
  color: var(--ink);
  background-color: var(--surface);
}

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

.data-table tbody tr:hover th,
.data-table tbody tr:hover td {
  background-color: var(--primary-soft);
}

.data-table tbody tr:focus-within th,
.data-table tbody tr:focus-within td {
  background-color: var(--primary-soft);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 13px;
  color: var(--primary);
  background-color: var(--primary-soft);
  border-radius: var(--radius);
  margin-right: 6px;
}

.status-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 12px;
  line-height: 1.6;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  color: var(--accent);
  background-color: var(--accent-soft);
}

.status-done,
.status-review,
.status-adjust {
  border-color: var(--accent);
}

.faq-list {
  display: grid;
  gap: 10px;
  max-width: 860px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
  padding: 0 16px;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 48px;
  padding: 12px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  flex-shrink: 0;
  font-size: 20px;
  line-height: 1;
  color: var(--primary);
  transition: transform 0.15s ease;
}

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

.faq-answer {
  padding: 0 0 16px;
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 68ch;
}

.related-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  margin-top: 40px;
  padding: 18px 20px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.related-bar .related-link {
  font-size: 15px;
}

.related-label,
.related-title {
  font-size: 13px;
  color: var(--ink-soft);
  margin: 0;
}

.related-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
}

.related-item {
  display: block;
}

.related-arrow {
  font-size: 14px;
}

/* ==========================================================================
   页脚
   ========================================================================== */

.site-footer {
  background-color: var(--surface);
  border-top: 1px solid var(--line);
  margin-top: 56px;
}

.footer-inner {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px 24px 32px;
}

.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}

.footer-links {
  display: grid;
  gap: 8px;
}

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

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

.footer-note {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.7;
  margin-top: 4px;
}

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

.footer-brand,
.footer-claim {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 24px;
  font-size: 13px;
  color: var(--ink-soft);
}

.footer-brand {
  padding-bottom: 0;
  font-weight: 600;
  color: var(--ink);
}

.footer-claim {
  padding-top: 2px;
  padding-bottom: 18px;
}

/* ==========================================================================
   首页
   ========================================================================== */

.home-main {
  padding-top: 32px;
}

/* 首屏：左窄索引栏 + 右宽主视觉 */
.hero {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.hero-index {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 16px;
}

.index-caption {
  font-size: 13px;
  color: var(--ink-soft);
  padding-bottom: 10px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.index-list {
  display: grid;
  gap: 2px;
}

.index-item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 10px 6px;
  border-radius: var(--radius);
}

.index-item:hover {
  background-color: var(--primary-soft);
}

.index-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  padding-top: 2px;
}

.index-link {
  display: grid;
  gap: 2px;
  color: var(--ink);
}

.index-link:hover {
  text-decoration: none;
  color: var(--primary);
}

.index-name {
  font-size: 15px;
  font-weight: 600;
}

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

.hero-main {
  display: grid;
  gap: 20px;
  min-width: 0;
}

.hero-text {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 26px 24px;
}

.hero-eyebrow {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 8px;
}

.hero-text h1 {
  font-size: 38px;
  line-height: 1.3;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 14px;
}

.hero-lead {
  font-size: 16px;
  color: var(--ink-soft);
  max-width: 62ch;
  margin-bottom: 20px;
}

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

.hero-figure {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.hero-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 8;
  object-fit: cover;
}

.hero-figure figcaption {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
}

/* 频道档案条目带 */
.channel-band .channel-item {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 20px;
  margin-bottom: 16px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.channel-figure {
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius);
  background-color: var(--head-bg);
}

.channel-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 320 / 200;
  object-fit: cover;
  transition: filter 0.15s ease;
}

.channel-item:hover .channel-figure img {
  filter: brightness(1.05);
}

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

.channel-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
}

.channel-code {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  font-weight: 400;
}

.channel-desc {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 14px;
  max-width: 68ch;
}

.channel-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 24px;
}

.fact-row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 6px 0;
  border-top: 1px solid var(--line);
}

.fact-row dt {
  font-size: 13px;
  color: var(--ink-soft);
}

.fact-row dd {
  font-size: 14px;
  color: var(--ink);
}

/* 对照表 */
.compare-table {
  min-width: 720px;
}

.compare-table th:first-child,
.compare-table td:first-child {
  min-width: 140px;
}

/* 本批次整理概览 */
.batch-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 24px;
  align-items: start;
}

.batch-main {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
}

.batch-lead {
  font-size: 16px;
  color: var(--ink);
  margin-bottom: 12px;
}

.batch-method {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 68ch;
}

.batch-facts {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.facts-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.batch-facts .facts-list {
  display: grid;
  gap: 10px;
}

.facts-row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.facts-row dt {
  font-size: 13px;
  color: var(--ink-soft);
}

.facts-row dd {
  font-size: 14px;
  color: var(--ink);
}

/* 专题片单三卡 */
.specials-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.special-card {
  display: flex;
  flex-direction: column;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.special-figure {
  width: 100%;
  background-color: var(--head-bg);
}

.special-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.special-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px 18px;
  flex: 1 1 auto;
}

.special-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

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

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

.special-body .link-arrow {
  margin-top: auto;
  padding-top: 6px;
}

/* 观看准备两栏 */
.prepare-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.prepare-col {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
}

.prepare-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.prepare-col .prepare-list {
  display: grid;
  gap: 10px;
}

.prepare-col .prepare-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.prepare-col .prepare-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--primary);
}

/* 整理记录列表 */
.log-list {
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
  overflow: hidden;
}

.log-row {
  display: grid;
  grid-template-columns: 100px 160px minmax(0, 1fr) 120px;
  gap: 16px;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}

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

.log-row:hover {
  background-color: var(--primary-soft);
}

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

.log-scope {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

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

.log-link {
  font-size: 14px;
  justify-self: start;
}

/* 纠错入口条 */
.feedback-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 40px;
  padding: 24px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
}

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

.strip-text {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 60ch;
}

.strip-col .btn {
  margin-top: 12px;
}

/* ==========================================================================
   内页通用：页标题说明区（多页共用形态）
   ========================================================================== */

.page-head,
.page-title-section,
.page-title-block,
.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 24px;
  align-items: start;
  margin-top: 18px;
  padding: 22px 24px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.page-head-desc,
.page-head-lead,
.page-title-desc,
.page-purpose,
.page-hero-desc {
  font-size: 16px;
  color: var(--ink-soft);
  max-width: 68ch;
}

.page-head-info,
.page-title-meta,
.page-meta,
.page-head-meta,
.page-hero-meta {
  min-width: 0;
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

.info-row,
.meta-line,
.page-meta-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 6px 0;
  border-bottom: 1px dashed var(--line);
}

.info-row:last-child,
.meta-line:last-child,
.page-meta-row:last-child {
  border-bottom: 0;
}

.info-label,
.meta-label,
.page-meta-label {
  font-size: 13px;
  color: var(--ink-soft);
}

.info-value,
.meta-value,
.page-meta-value {
  font-size: 14px;
  color: var(--ink);
}

.meta-list {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 6px 8px;
  align-items: baseline;
}

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

.meta-list dd {
  font-size: 14px;
  color: var(--ink);
}

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

/* ==========================================================================
   频道索引页
   ========================================================================== */

.channel-list {
  display: grid;
  gap: 40px;
}

.channel-list .channel-item {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 22px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.channel-media {
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius);
  background-color: var(--head-bg);
}

.channel-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 320 / 200;
  object-fit: cover;
  transition: filter 0.15s ease;
}

.channel-list .channel-item:hover .channel-media img {
  filter: brightness(1.05);
}

.channel-no {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 4px;
}

.channel-intro {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 68ch;
  margin-bottom: 14px;
}

.channel-conditions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 24px;
  margin-bottom: 14px;
}

.condition-row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 6px 0;
  border-top: 1px solid var(--line);
}

.condition-row dt {
  font-size: 13px;
  color: var(--ink-soft);
}

.condition-row dd {
  font-size: 14px;
  color: var(--ink);
}

.channel-table {
  min-width: 720px;
}

/* 频道迁移建议 */
.migration-list {
  display: grid;
  gap: 12px;
  max-width: 860px;
}

.migration-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: 16px;
  align-items: baseline;
  padding: 14px 18px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.migration-text {
  font-size: 15px;
  color: var(--ink-soft);
}

.migration-link {
  justify-self: start;
}

/* ==========================================================================
   专题片单页
   ========================================================================== */

.special-list {
  display: grid;
  gap: 32px;
  padding-top: 32px;
}

.special-entry {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 22px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.media-frame {
  overflow: hidden;
  border-radius: var(--radius);
  background-color: var(--head-bg);
}

.media-frame img {
  width: 100%;
  height: auto;
  aspect-ratio: 320 / 200;
  object-fit: cover;
}

.media-caption {
  padding: 8px 12px;
  font-size: 13px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
}

.special-code {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 4px;
}

.special-entry .special-name {
  font-size: 20px;
  margin-bottom: 10px;
}

.field-label {
  display: inline-block;
  font-size: 13px;
  color: var(--ink-soft);
  margin-right: 8px;
}

.special-entry .special-angle {
  font-size: 15px;
  margin-bottom: 10px;
  max-width: 68ch;
}

.special-entry .special-channels {
  margin-bottom: 14px;
}

.special-entry .order-list {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.special-entry .order-item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.order-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--primary);
}

/* 专题与频道对应关系 */
.channel-map {
  padding-top: 40px;
}

.channel-map .section-title,
.pick-advice .section-title,
.related-bar .section-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
}

.channel-map .section-desc,
.pick-advice .section-desc,
.related-bar .section-desc {
  margin-top: 6px;
  margin-bottom: 16px;
  font-size: 14px;
  color: var(--ink-soft);
}

.channel-map .data-table {
  min-width: 640px;
}

.table-caption {
  padding: 8px 14px;
  font-size: 13px;
  color: var(--ink-soft);
  text-align: left;
}

.channel-map .section-note {
  margin-top: 12px;
  font-size: 14px;
  color: var(--ink-soft);
}

/* 专题挑选建议 */
.pick-advice {
  padding-top: 40px;
}

.advice-list {
  display: grid;
  gap: 12px;
  max-width: 860px;
}

.advice-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: 16px;
  align-items: baseline;
  padding: 14px 18px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.advice-text {
  font-size: 15px;
  color: var(--ink-soft);
}

.advice-link {
  justify-self: start;
}

/* ==========================================================================
   观看指南页
   ========================================================================== */

.guide-facts,
.guide-flow,
.guide-labels {
  padding-top: 40px;
}

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

.facts-text {
  display: grid;
  gap: 12px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
}

.facts-text p {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 68ch;
}

.facts-lists {
  display: grid;
  gap: 16px;
}

.facts-lists .facts-list {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.facts-lists .facts-list h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.check-list,
.cross-list {
  display: grid;
  gap: 8px;
}

.check-list li,
.cross-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary);
  font-weight: 600;
}

.cross-list li::before {
  content: "×";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 600;
}

.facts-list-muted {
  background-color: #faf9f7;
}

/* 阅读流程 */
.guide-flow-media {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background-color: var(--surface);
  margin-bottom: 20px;
}

.guide-flow-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

.guide-flow-media figcaption {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
}

.flow-steps {
  display: grid;
  gap: 12px;
  max-width: 900px;
}

.flow-step {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px 18px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.flow-step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-family: var(--mono);
  font-size: 15px;
  color: var(--primary);
  background-color: var(--primary-soft);
  border-radius: var(--radius);
}

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

.flow-step-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

.flow-step-body p {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 68ch;
}

/* 内容标注对照 */
.label-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  text-align: left;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  table-layout: fixed;
}

.label-table th,
.label-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.6;
  word-break: break-word;
}

.label-table thead th {
  background-color: var(--head-bg);
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
}

.label-table tbody th {
  width: 34%;
  font-weight: 600;
  color: var(--ink);
}

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

.guide-labels-foot {
  margin-top: 12px;
  font-size: 14px;
  color: var(--ink-soft);
}

/* ==========================================================================
   入口核验页
   ========================================================================== */

.check-list-section,
.mismatch-section,
.record-method-section {
  padding-top: 40px;
}

.check-list-section .check-list {
  display: grid;
  gap: 12px;
  max-width: 900px;
}

.check-item {
  padding: 16px 20px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.check-item-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.check-no {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  flex-shrink: 0;
}

.check-object {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.check-item-body {
  display: grid;
  gap: 8px;
}

.check-basis,
.check-next {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.7;
  max-width: 68ch;
}

.check-label {
  display: inline-block;
  font-size: 13px;
  color: var(--ink);
  font-weight: 600;
  margin-right: 8px;
}

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

.mismatch-table td:first-child {
  width: 40%;
  font-weight: 600;
  color: var(--ink);
}

/* 记录方式说明：左文右图 */
.record-method-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  align-items: start;
}

.record-method-text {
  min-width: 0;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
}

.record-method-text .section-head {
  margin-bottom: 12px;
}

.record-method-text > p {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 68ch;
  margin-bottom: 12px;
}

.record-points {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}

.record-points li {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.record-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-right: 8px;
}

.record-note {
  font-size: 14px;
  color: var(--ink-soft);
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.record-method-figure {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
}

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

.record-method-figure figcaption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
}

/* ==========================================================================
   整理记录页
   ========================================================================== */

.batch-table {
  min-width: 720px;
}

.batch-table .col-batch {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  white-space: nowrap;
  width: 96px;
}

.batch-code {
  font-family: var(--mono);
}

/* 记录阅读方法两栏 */
.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

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

.col-block h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.col-block .method-list {
  display: grid;
  gap: 10px;
}

.col-block .method-list li {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.7;
  padding-left: 18px;
  position: relative;
}

.col-block .method-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--primary);
}

.col-block .method-list strong {
  color: var(--ink);
  font-weight: 600;
}

/* 变更影响说明：左文右图 */
.media-text {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  align-items: start;
}

.media-text-body {
  min-width: 0;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
}

.media-text-body p {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 68ch;
  margin-bottom: 12px;
}

.media-text-body p:last-child {
  margin-bottom: 0;
}

.plain-list {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}

.plain-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--primary);
}

.media-text-figure {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
}

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

.media-text-figure figcaption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
}

/* ==========================================================================
   内容口径页
   ========================================================================== */

.scope-section,
.exclude-section,
.method-section {
  padding-top: 40px;
}

.scope-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 24px;
  align-items: start;
}

.scope-text {
  display: grid;
  gap: 12px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
}

.scope-text p {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 68ch;
}

.scope-figure {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
}

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

.scope-figure figcaption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
}

/* 不收录清单 */
.exclude-list {
  display: grid;
  gap: 12px;
  max-width: 900px;
}

.exclude-item {
  padding: 16px 20px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

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

.exclude-item p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.7;
  max-width: 68ch;
}

/* 整理方法步骤 */
.method-section .method-list {
  display: grid;
  gap: 12px;
  max-width: 900px;
}

.method-step {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px 18px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.method-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-family: var(--mono);
  font-size: 15px;
  color: var(--primary);
  background-color: var(--primary-soft);
  border-radius: var(--radius);
}

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

.method-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

.method-body p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.7;
  max-width: 68ch;
}

/* ==========================================================================
   纠错反馈页
   ========================================================================== */

.section-block {
  padding-top: 40px;
}

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

.problem-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 22px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.problem-card-wide {
  grid-column: 1 / -1;
}

.problem-tag {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
}

.problem-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.problem-text {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.7;
  max-width: 68ch;
}

.problem-check {
  margin-top: auto;
  font-size: 14px;
}

/* 准备信息清单 */
.prepare-list {
  display: grid;
  gap: 12px;
  max-width: 900px;
}

.prepare-item {
  padding: 16px 20px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.prepare-item .prepare-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
  padding-bottom: 0;
  border-bottom: 0;
}

.prepare-item .prepare-text {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.7;
  max-width: 68ch;
}

/* 处理顺序说明：左文右图 */
.split-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  align-items: start;
}

.split-text {
  min-width: 0;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
}

.split-text .section-head {
  margin-bottom: 14px;
}

.split-text .order-list {
  display: grid;
  gap: 12px;
}

.split-text .order-item {
  display: block;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.order-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

.order-text {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.7;
  max-width: 68ch;
}

.split-figure {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
}

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

.figure-caption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
}

/* ==========================================================================
   404 页
   ========================================================================== */

.error-main {
  padding-top: 48px;
}

.error-block {
  max-width: 720px;
  padding: 32px 28px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.error-code {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--accent);
  margin-bottom: 8px;
}

.error-block h1 {
  font-size: 30px;
  line-height: 1.35;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}

.error-text {
  font-size: 16px;
  color: var(--ink-soft);
  margin-bottom: 20px;
  max-width: 60ch;
}

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

.error-links {
  margin-top: 32px;
  max-width: 720px;
}

.error-links h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}

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

.error-link-list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  font-size: 15px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.error-link-list a:hover {
  background-color: var(--primary-soft);
  text-decoration: none;
}

/* ==========================================================================
   响应式：960px 与 640px 两个断点
   ========================================================================== */

@media (max-width: 960px) {
  .header-inner {
    gap: 12px;
  }

  .site-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .nav-secondary {
    display: none;
  }

  .mobile-nav {
    display: block;
  }

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

  .hero-index {
    order: 2;
  }

  .hero-main {
    order: 1;
  }

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

  .channel-figure,
  .channel-media,
  .media-frame {
    max-width: 480px;
  }

  .batch-layout,
  .record-method-section,
  .media-text,
  .scope-grid,
  .split-block {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .page-head,
  .page-title-section,
  .page-title-block,
  .page-hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-head-info,
  .page-title-meta,
  .page-meta,
  .page-head-meta,
  .page-hero-meta {
    padding-left: 0;
    padding-top: 14px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

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

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

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

  .brand-slogan {
    display: none;
  }

  .home-main,
  .inner-main,
  .error-main {
    padding-left: 16px;
    padding-right: 16px;
    padding-bottom: 48px;
  }

  .hero-text {
    padding: 20px 18px;
  }

  .hero-text h1 {
    font-size: 28px;
  }

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

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

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

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

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

  .fact-row,
  .condition-row {
    grid-template-columns: 80px minmax(0, 1fr);
  }

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

  .prepare-layout,
  .facts-columns,
  .two-col,
  .problem-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .problem-card-wide {
    grid-column: auto;
  }

  .log-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    padding: 14px 16px;
  }

  .log-batch {
    display: block;
  }

  .log-link {
    justify-self: start;
  }

  .feedback-strip {
    grid-template-columns: minmax(0, 1fr);
    padding: 20px 18px;
  }

  .migration-item,
  .advice-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .flow-step,
  .method-step {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
    padding: 14px;
  }

  .flow-step-num,
  .method-num {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }

  .label-table {
    table-layout: auto;
  }

  .label-table tbody th {
    width: auto;
  }

  .label-table th,
  .label-table td {
    padding: 10px 12px;
    font-size: 14px;
  }

  .data-table {
    font-size: 14px;
  }

  .data-table th,
  .data-table td {
    padding: 10px 12px;
  }

  .related-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 16px;
  }

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

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding: 32px 16px 24px;
  }

  .footer-brand,
  .footer-claim {
    padding-left: 16px;
    padding-right: 16px;
  }

  .error-link-list a {
    width: 100%;
  }
}

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

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