/* ==========================================================================
   基础样式 base
   ========================================================================== */

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

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

body.site-body {
  margin: 0;
  background-color: #f7f2e7;
  color: #1c2733;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Hiragino Sans GB", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}

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

a {
  color: #b8432f;
  text-decoration: none;
}

a:hover,
a:focus-visible {
  color: #8f3324;
  text-decoration: underline;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: "Songti SC", "STSong", "SimSun", "Noto Serif SC", serif;
  font-weight: 700;
  color: #1c2733;
  line-height: 1.4;
}

p {
  margin: 0;
}

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

dl,
dd,
dt {
  margin: 0;
}

figure {
  margin: 0;
}

button {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid #d9553f;
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 60;
  padding: 10px 18px;
  background-color: #1c2733;
  color: #fffdf8;
  border-radius: 4px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
  color: #fffdf8;
  text-decoration: none;
}

/* ==========================================================================
   布局骨架 layout
   ========================================================================== */

.site-header {
  background-color: #1c2733;
  color: #f7f2e7;
  border-bottom: 3px solid #d9553f;
}

.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.brand {
  font-family: "Songti SC", "STSong", "SimSun", serif;
  font-size: 22px;
  font-weight: 700;
  color: #f7f2e7;
  white-space: nowrap;
  padding: 12px 0;
}

.brand:hover,
.brand:focus-visible {
  color: #f2c9a0;
  text-decoration: none;
}

.main-nav.site-nav {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.nav-primary li {
  display: block;
}

.nav-primary a {
  display: block;
  padding: 10px 14px;
  color: #e6ddcc;
  font-size: 15px;
  border-bottom: 2px solid transparent;
}

.nav-primary a:hover,
.nav-primary a:focus-visible {
  color: #fffdf8;
  text-decoration: none;
  border-bottom-color: #d9553f;
}

.nav-primary a.is-current {
  color: #fffdf8;
  border-bottom-color: #d9553f;
  font-weight: 600;
}

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

.nav-tools a {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  color: #f7f2e7;
  border: 1px solid #5e8b6f;
  border-radius: 4px;
  white-space: nowrap;
}

.nav-tools a:hover,
.nav-tools a:focus-visible {
  background-color: #5e8b6f;
  border-color: #5e8b6f;
  color: #fffdf8;
  text-decoration: none;
}

.nav-tools a.is-current {
  background-color: #d9553f;
  border-color: #d9553f;
  color: #fffdf8;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  margin-left: auto;
  background-color: transparent;
  border: 1px solid #5e8b6f;
  border-radius: 4px;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background-color: #f7f2e7;
  border-radius: 1px;
}

.site-main {
  display: block;
}

.inner-main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px 64px;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.breadcrumb {
  font-size: 13px;
  color: #6d6555;
  padding: 18px 0 0;
}

.breadcrumb a {
  color: #b8432f;
}

.breadcrumb-sep {
  margin: 0 8px;
  color: #a99f8c;
}

.breadcrumb-current {
  color: #6d6555;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  padding: 18px 0 0;
  font-size: 13px;
  color: #6d6555;
}

.breadcrumb-list li {
  display: inline-flex;
  align-items: center;
}

.breadcrumb-list li + li::before {
  content: "/";
  margin: 0 8px;
  color: #a99f8c;
}

.breadcrumb-list a {
  color: #b8432f;
}

.page-header {
  padding: 20px 0 4px;
}

.page-title {
  font-size: 40px;
  line-height: 1.25;
  font-weight: 700;
  color: #1c2733;
  max-width: 900px;
}

.page-layout {
  display: grid;
  gap: 40px;
  align-items: start;
}

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

.layout-shell {
  display: grid;
  gap: 40px;
  align-items: start;
}

.layout-shell.sidebar-left {
  grid-template-columns: 240px minmax(0, 1fr);
}

.layout-shell.sidebar-right {
  grid-template-columns: minmax(0, 1fr) 220px;
}

/* 页脚 */

.site-footer {
  background-color: #1c2733;
  color: #d7cdbb;
  margin-top: 24px;
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(4, minmax(0, 1fr));
  gap: 32px;
}

.footer-logo {
  font-family: "Songti SC", "STSong", "SimSun", serif;
  font-size: 20px;
  font-weight: 700;
  color: #f7f2e7;
  margin-bottom: 10px;
}

.footer-desc {
  font-size: 13px;
  line-height: 1.75;
  color: #b4a992;
  max-width: 260px;
}

.footer-title {
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: #f7f2e7;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid #3a4653;
}

.footer-links li + li {
  margin-top: 8px;
}

.footer-links a {
  color: #c9bfab;
  font-size: 13px;
  line-height: 1.6;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #f2c9a0;
}

.footer-bottom {
  border-top: 1px solid #3a4653;
}

.footer-domain,
.footer-note {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  font-size: 12px;
  color: #9a9078;
}

.footer-domain {
  padding-top: 20px;
}

.footer-note {
  padding-bottom: 24px;
}

/* ==========================================================================
   通用组件 components
   ========================================================================== */

.section-title {
  font-size: 24px;
  line-height: 1.35;
  color: #1c2733;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 24px;
  margin-bottom: 20px;
}

.section-note,
.section-desc,
.section-lead,
.section-intro {
  font-size: 14px;
  color: #6d6555;
  line-height: 1.7;
}

.section-note {
  max-width: 420px;
}

.section-desc,
.section-lead,
.section-intro {
  margin-top: 8px;
  max-width: 720px;
}

.link-more,
.related-link,
.special-link,
.depth-link,
.path-link {
  display: inline-block;
  font-size: 14px;
  color: #b8432f;
  font-weight: 600;
  margin-top: 10px;
  border-bottom: 1px solid transparent;
}

.link-more:hover,
.related-link:hover,
.special-link:hover,
.depth-link:hover,
.path-link:hover {
  border-bottom-color: #b8432f;
  text-decoration: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn:hover,
.btn:focus-visible {
  text-decoration: none;
}

.btn-primary {
  background-color: #d9553f;
  color: #fffdf8;
  border-color: #d9553f;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: #b8432f;
  border-color: #b8432f;
  color: #fffdf8;
}

.btn-ghost {
  background-color: transparent;
  color: #1c2733;
  border-color: #1c2733;
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background-color: #1c2733;
  color: #fffdf8;
}

.tag {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 14px;
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 4px;
  font-size: 14px;
  color: #1c2733;
}

.tag:hover,
.tag:focus-visible {
  border-color: #d9553f;
  color: #b8432f;
  text-decoration: none;
}

.tag-channel {
  font-size: 12px;
  color: #5e8b6f;
}

/* 图片容器统一约束 */

.hero-media,
.focus-figure,
.special-media,
.special-cover,
.depth-media,
.path-media,
.channel-intro-figure,
.guide-figure,
.checklist-figure {
  overflow: hidden;
  border-radius: 6px;
  background-color: #efe7d7;
}

.hero-media img,
.focus-figure img,
.special-media img,
.special-cover img,
.depth-media img,
.path-media img,
.channel-intro-figure img,
.guide-figure img,
.checklist-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

figcaption {
  font-size: 12px;
  color: #6d6555;
  line-height: 1.6;
  padding: 8px 2px 0;
}

/* ==========================================================================
   首页 pages / index
   ========================================================================== */

.home-main {
  padding-bottom: 64px;
}

.hero {
  background-color: #f7f2e7;
  border-bottom: 1px solid #d9d0be;
}

.hero-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 48px 24px 40px;
  display: grid;
  grid-template-columns: minmax(0, 560px) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

.hero-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-kicker {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: #5e8b6f;
  margin-bottom: 14px;
  padding-left: 12px;
  border-left: 3px solid #d9553f;
}

.hero-text h1 {
  font-size: 44px;
  line-height: 1.22;
  margin-bottom: 18px;
}

.hero-lead {
  font-size: 16px;
  line-height: 1.85;
  color: #3d4a57;
  margin-bottom: 26px;
  max-width: 520px;
}

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

.hero-media {
  aspect-ratio: 16 / 10;
  border: 1px solid #d9d0be;
}

.hero-media figcaption {
  padding: 8px 12px;
  background-color: #efe7d7;
}

/* 焦点信息条 */

.focus-bar {
  background-color: #1c2733;
  color: #f7f2e7;
}

.focus-list {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.focus-item {
  padding: 18px 20px;
  border-left: 1px solid #3a4653;
}

.focus-item:first-child {
  border-left: none;
  padding-left: 0;
}

.focus-item dt {
  font-size: 12px;
  color: #9fb3a6;
  margin-bottom: 4px;
}

.focus-item dd {
  font-size: 15px;
  color: #f7f2e7;
  line-height: 1.6;
}

/* 资源中心 */

.resource-center {
  max-width: 1180px;
  margin: 0 auto;
  padding: 56px 24px 8px;
}

.resource-center > .section-title {
  margin-bottom: 24px;
}

.channel-sidebar {
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 20px;
}

.aside-title {
  font-size: 17px;
  line-height: 1.4;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid #d9d0be;
}

.channel-list li + li {
  border-top: 1px dashed #e2d9c8;
}

.channel-list a {
  display: block;
  padding: 12px 4px;
  color: #1c2733;
  font-size: 15px;
}

.channel-list a:hover,
.channel-list a:focus-visible {
  color: #b8432f;
  text-decoration: none;
}

.channel-name {
  display: block;
  font-weight: 600;
}

.channel-note {
  display: block;
  font-size: 12px;
  color: #6d6555;
  line-height: 1.6;
  margin-top: 2px;
}

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

.entry-intro {
  font-size: 14px;
  color: #6d6555;
  padding-bottom: 16px;
  border-bottom: 2px solid #1c2733;
  margin-bottom: 4px;
}

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

.entry-row {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid #d9d0be;
}

.entry-no {
  font-family: "SFMono-Regular", "Consolas", "Menlo", monospace;
  font-size: 18px;
  font-weight: 700;
  color: #d9553f;
  line-height: 1.5;
}

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

.entry-title {
  font-size: 18px;
  line-height: 1.45;
  margin-bottom: 6px;
}

.entry-title a {
  color: #1c2733;
}

.entry-title a:hover,
.entry-title a:focus-visible {
  color: #b8432f;
  text-decoration: none;
}

.entry-meta {
  font-size: 12px;
  color: #5e8b6f;
  margin-bottom: 6px;
}

.entry-desc {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.75;
}

/* 编辑关注榜 */

.editor-picks {
  max-width: 1180px;
  margin: 0 auto;
  padding: 48px 24px 8px;
}

.pick-list {
  border-top: 2px solid #1c2733;
}

.pick-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1.4fr) minmax(0, 0.7fr) minmax(0, 1.6fr);
  gap: 16px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid #d9d0be;
}

.pick-rank {
  font-family: "SFMono-Regular", "Consolas", "Menlo", monospace;
  font-size: 20px;
  font-weight: 700;
  color: #d9553f;
}

.pick-name a {
  font-size: 16px;
  font-weight: 600;
  color: #1c2733;
}

.pick-name a:hover,
.pick-name a:focus-visible {
  color: #b8432f;
  text-decoration: none;
}

.pick-channel {
  font-size: 13px;
  color: #5e8b6f;
}

.pick-reason {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.7;
}

/* 专题页单 */

.specials {
  max-width: 1180px;
  margin: 0 auto;
  padding: 48px 24px 8px;
}

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

.special-card {
  display: flex;
  flex-direction: column;
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 16px;
}

.special-media,
.special-cover {
  aspect-ratio: 16 / 10;
  margin-bottom: 14px;
}

.special-name {
  font-size: 18px;
  line-height: 1.45;
  margin-bottom: 8px;
}

.special-name a {
  color: #1c2733;
}

.special-name a:hover,
.special-name a:focus-visible {
  color: #b8432f;
  text-decoration: none;
}

.special-angle,
.special-channels,
.special-route {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.7;
  margin-bottom: 6px;
}

.special-channels {
  color: #5e8b6f;
  font-size: 13px;
}

.special-card .link-more,
.special-card .special-link {
  margin-top: auto;
  padding-top: 10px;
}

/* 深度与规则 */

.depth-rules {
  max-width: 1180px;
  margin: 0 auto;
  padding: 48px 24px 8px;
}

.depth-rules-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.depth-column {
  min-width: 0;
}

.depth-column > .section-title {
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid #1c2733;
}

.depth-item {
  padding: 16px 0;
  border-bottom: 1px dashed #d9d0be;
}

.depth-item:last-child {
  border-bottom: none;
}

.depth-name {
  font-size: 18px;
  line-height: 1.45;
  margin-bottom: 6px;
}

.depth-name a {
  color: #1c2733;
}

.depth-name a:hover,
.depth-name a:focus-visible {
  color: #b8432f;
  text-decoration: none;
}

.depth-desc {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.75;
}

.rules-column {
  min-width: 0;
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 20px;
}

.rules-column > .section-title {
  margin-bottom: 14px;
  font-size: 20px;
}

.rule-item {
  padding: 12px 0;
  border-top: 1px dashed #e2d9c8;
}

.rule-item:first-child {
  border-top: none;
  padding-top: 0;
}

.rule-name {
  font-size: 16px;
  line-height: 1.45;
  margin-bottom: 4px;
}

.rule-desc {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.7;
}

/* 指南与反馈入口 */

.guide-feedback {
  max-width: 1180px;
  margin: 0 auto;
  padding: 48px 24px 0;
}

.guide-feedback > .section-title {
  margin-bottom: 20px;
}

.guide-feedback-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.guide-brief,
.feedback-brief {
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 24px;
}

.block-title {
  font-size: 18px;
  line-height: 1.45;
  margin-bottom: 14px;
}

.guide-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.guide-step {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: #d9553f;
  color: #fffdf8;
  font-size: 13px;
  font-weight: 700;
}

.step-text {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.75;
}

.feedback-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feedback-links a {
  display: block;
  padding: 12px 16px;
  border: 1px solid #d9d0be;
  border-radius: 4px;
  font-size: 15px;
  color: #1c2733;
  background-color: #f7f2e7;
}

.feedback-links a:hover,
.feedback-links a:focus-visible {
  border-color: #d9553f;
  color: #b8432f;
  text-decoration: none;
}

.feedback-name {
  display: block;
  font-weight: 600;
}

.feedback-note {
  display: block;
  font-size: 12px;
  color: #6d6555;
  line-height: 1.6;
  margin-top: 2px;
}

/* ==========================================================================
   内页通用结构 pages / inner
   ========================================================================== */

.page-head,
.page-title-block,
.page-intro {
  padding: 16px 0 32px;
  border-bottom: 1px solid #d9d0be;
  margin-bottom: 36px;
}

.page-lead {
  font-size: 16px;
  line-height: 1.85;
  color: #3d4a57;
  max-width: 820px;
}

.page-meta {
  font-size: 13px;
  color: #6d6555;
  margin-top: 10px;
}

.page-kicker {
  font-size: 13px;
  color: #5e8b6f;
  margin-bottom: 8px;
  padding-left: 10px;
  border-left: 3px solid #d9553f;
}

.page-intro-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.page-intro-lead {
  font-size: 16px;
  line-height: 1.85;
  color: #3d4a57;
  max-width: 820px;
}

.page-intro-meta {
  font-size: 13px;
  color: #6d6555;
  margin-top: 10px;
}

.page-hero {
  background-color: #efe7d7;
  border-bottom: 1px solid #d9d0be;
  padding: 28px 0 32px;
  margin-bottom: 36px;
}

/* 焦点页 focus */

.focus-summary {
  margin-bottom: 40px;
}

.focus-card {
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-left: 4px solid #d9553f;
  border-radius: 6px;
  padding: 28px;
  margin-bottom: 24px;
}

.focus-kicker {
  font-size: 13px;
  color: #5e8b6f;
  margin-bottom: 8px;
}

.focus-card h2 {
  font-size: 24px;
  line-height: 1.4;
  margin-bottom: 14px;
}

.focus-text {
  font-size: 15px;
  line-height: 1.85;
  color: #3d4a57;
  margin-bottom: 12px;
}

.focus-figure {
  aspect-ratio: 16 / 9;
  margin-top: 16px;
}

.topic-tags {
  margin-bottom: 8px;
}

.tags-title {
  font-size: 16px;
  line-height: 1.45;
  margin-bottom: 12px;
}

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

.focus-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  align-items: start;
  margin-bottom: 48px;
}

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

.focus-body > h2 {
  font-size: 24px;
  line-height: 1.4;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid #1c2733;
}

.focus-body > p {
  font-size: 16px;
  line-height: 1.9;
  color: #2c3844;
  margin-bottom: 16px;
}

.sub-title {
  font-size: 18px;
  line-height: 1.45;
  margin: 24px 0 14px;
}

.reading-order {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.reading-order li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.order-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: #1c2733;
  color: #f7f2e7;
  font-size: 13px;
  font-weight: 700;
}

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

.order-name {
  font-size: 15px;
  font-weight: 600;
  color: #1c2733;
  line-height: 1.6;
}

.order-desc {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.75;
}

.verify-hint {
  font-size: 14px;
  color: #6d6555;
  line-height: 1.75;
  margin-top: 20px;
  padding: 14px 16px;
  background-color: #efe7d7;
  border-radius: 4px;
}

.focus-aside {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.aside-block {
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 20px;
}

.aside-text {
  font-size: 14px;
  line-height: 1.75;
  color: #3d4a57;
  margin-bottom: 10px;
}

.aside-text strong {
  color: #1c2733;
}

.aside-links li + li {
  margin-top: 8px;
}

.aside-links a {
  font-size: 14px;
  color: #b8432f;
}

.related {
  padding: 40px 0 0;
  border-top: 1px solid #d9d0be;
}

.related > h2 {
  font-size: 24px;
  line-height: 1.4;
  margin-bottom: 8px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 20px;
}

.related-card {
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.related-channel {
  font-size: 12px;
  color: #5e8b6f;
  margin-bottom: 6px;
}

.related-name {
  font-size: 17px;
  line-height: 1.45;
  margin-bottom: 8px;
}

.related-reason {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.75;
}

.related-card .related-link {
  margin-top: auto;
  padding-top: 10px;
}

/* 频道页 channels */

.channel-sidebar .sidebar-title {
  font-size: 17px;
  line-height: 1.4;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid #d9d0be;
}

.channel-nav li + li {
  border-top: 1px dashed #e2d9c8;
}

.channel-nav a {
  display: block;
  padding: 12px 4px;
  color: #1c2733;
}

.channel-nav a:hover,
.channel-nav a:focus-visible {
  color: #b8432f;
  text-decoration: none;
}

.channel-nav-name {
  display: block;
  font-size: 15px;
  font-weight: 600;
}

.channel-nav-desc {
  display: block;
  font-size: 12px;
  color: #6d6555;
  line-height: 1.6;
  margin-top: 2px;
}

.sidebar-note {
  font-size: 12px;
  color: #6d6555;
  line-height: 1.7;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid #d9d0be;
}

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

.channel-intro {
  margin-bottom: 40px;
}

.channel-intro > h2 {
  font-size: 24px;
  line-height: 1.4;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid #1c2733;
}

.channel-intro-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 28px;
  align-items: start;
}

.channel-intro-text {
  min-width: 0;
}

.channel-intro-text p {
  font-size: 16px;
  line-height: 1.9;
  color: #2c3844;
  margin-bottom: 14px;
}

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

.channel-scope {
  margin-bottom: 40px;
}

.channel-scope > h2 {
  font-size: 24px;
  line-height: 1.4;
  margin-bottom: 6px;
}

.scope-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 18px;
}

.scope-list li {
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-top: 3px solid #5e8b6f;
  border-radius: 6px;
  padding: 18px;
}

.scope-list h3 {
  font-size: 16px;
  line-height: 1.45;
  margin-bottom: 6px;
}

.scope-list p {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.75;
}

.channel-list-section {
  margin-bottom: 40px;
}

.channel-list-section > h2 {
  font-size: 24px;
  line-height: 1.4;
  margin-bottom: 6px;
}

.channel-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid #d9d0be;
}

.channel-row:first-of-type {
  border-top: 2px solid #1c2733;
  margin-top: 18px;
}

.channel-row-num {
  font-family: "SFMono-Regular", "Consolas", "Menlo", monospace;
  font-size: 18px;
  font-weight: 700;
  color: #d9553f;
  line-height: 1.5;
}

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

.channel-row-title {
  font-size: 18px;
  line-height: 1.45;
  margin-bottom: 6px;
}

.channel-row-tags {
  font-size: 12px;
  color: #5e8b6f;
  margin-bottom: 8px;
}

.channel-row-desc {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.8;
  margin-bottom: 8px;
}

.channel-row-link {
  font-size: 14px;
}

.channel-related {
  margin-bottom: 40px;
}

.channel-related > h2 {
  font-size: 24px;
  line-height: 1.4;
  margin-bottom: 18px;
}

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

.related-block {
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 20px;
}

.related-block h3 {
  font-size: 17px;
  line-height: 1.45;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #d9d0be;
}

.related-list li + li {
  margin-top: 8px;
}

.related-list a {
  font-size: 14px;
  color: #b8432f;
}

.channel-advice > h2 {
  font-size: 24px;
  line-height: 1.4;
  margin-bottom: 18px;
}

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

.advice-col {
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 22px;
}

.advice-col h3 {
  font-size: 17px;
  line-height: 1.45;
  margin-bottom: 10px;
}

.advice-col p {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.8;
  margin-bottom: 8px;
}

/* 深度页 depth */

.section {
  margin-bottom: 48px;
}

.depth-items {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.depth-item {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 20px;
}

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

.depth-body {
  min-width: 0;
  padding-top: 4px;
}

.depth-tag {
  font-size: 12px;
  color: #5e8b6f;
  margin-bottom: 6px;
}

.depth-item .depth-name {
  font-size: 20px;
  line-height: 1.4;
  margin-bottom: 10px;
}

.depth-summary {
  font-size: 15px;
  color: #3d4a57;
  line-height: 1.85;
  margin-bottom: 10px;
}

.depth-meta {
  font-size: 13px;
  color: #6d6555;
}

.depth-meta a {
  color: #b8432f;
}

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

.method-col {
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 24px;
}

.method-col h3 {
  font-size: 18px;
  line-height: 1.45;
  margin-bottom: 10px;
}

.method-col p {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.8;
  margin-bottom: 12px;
}

.method-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.8;
}

.method-list li + li {
  margin-top: 6px;
}

.method-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  background-color: #d9553f;
  border-radius: 50%;
}

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

.path-card {
  display: flex;
  flex-direction: column;
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 22px;
}

.path-index {
  font-family: "SFMono-Regular", "Consolas", "Menlo", monospace;
  font-size: 15px;
  font-weight: 700;
  color: #d9553f;
  margin-bottom: 8px;
}

.path-card h3 {
  font-size: 17px;
  line-height: 1.45;
  margin-bottom: 8px;
}

.path-card p {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.8;
}

.path-card .path-link {
  margin-top: auto;
  padding-top: 12px;
}

.order-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 860px;
}

.order-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 18px 20px;
}

.order-item .order-num {
  width: 32px;
  height: 32px;
  background-color: #5e8b6f;
  color: #fffdf8;
}

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

.order-body h3 {
  font-size: 16px;
  line-height: 1.45;
  margin-bottom: 4px;
}

.order-body p {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.8;
}

/* 专题页 specials */

.specials-overview,
.specials-structure,
.specials-mapping,
.specials-order {
  margin-bottom: 48px;
}

.specials-overview > .section-title,
.specials-structure .section-title,
.specials-mapping > .section-title,
.specials-order > .section-title {
  margin-bottom: 6px;
}

.specials-overview .section-intro,
.specials-mapping .section-intro,
.specials-order .section-intro {
  margin-bottom: 20px;
}

.special-card .label {
  display: inline-block;
  font-size: 12px;
  color: #6d6555;
  margin-right: 4px;
}

.structure-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  margin-top: 20px;
}

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

.structure-main p {
  font-size: 15px;
  line-height: 1.9;
  color: #2c3844;
  margin-bottom: 12px;
}

.structure-points {
  margin-top: 14px;
}

.structure-points li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.8;
}

.structure-points li + li {
  margin-top: 6px;
}

.structure-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  background-color: #5e8b6f;
  border-radius: 50%;
}

.structure-aside {
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 22px;
}

.structure-aside p {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.8;
  margin-bottom: 10px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  background-color: #fffdf8;
}

.mapping-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 640px;
}

.mapping-table th,
.mapping-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid #e2d9c8;
}

.mapping-table thead th {
  background-color: #1c2733;
  color: #f7f2e7;
  font-weight: 600;
  font-size: 13px;
  white-space: nowrap;
}

.mapping-table tbody tr:last-child td {
  border-bottom: none;
}

.mapping-table td {
  color: #3d4a57;
  line-height: 1.7;
}

.mapping-table td a {
  color: #b8432f;
}

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

.order-step {
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-top: 3px solid #d9553f;
  border-radius: 6px;
  padding: 22px;
}

.order-step .order-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: #d9553f;
  color: #fffdf8;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 10px;
}

.order-step .order-name {
  font-size: 17px;
  line-height: 1.45;
  margin-bottom: 8px;
}

.order-target,
.order-done {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.75;
  margin-bottom: 6px;
}

.order-done {
  color: #5e8b6f;
}

/* 归档页 archive */

.archive-index {
  margin-bottom: 44px;
}

.archive-index .section-title {
  margin-bottom: 6px;
}

.archive-index .section-desc {
  margin-bottom: 18px;
}

.topic-tags {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.topic-tags li {
  display: block;
}

.topic-tags a {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 16px;
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  color: #1c2733;
}

.topic-tags a:hover,
.topic-tags a:focus-visible {
  border-color: #d9553f;
  color: #b8432f;
  text-decoration: none;
}

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

.tag-channels {
  font-size: 12px;
  color: #5e8b6f;
}

.archive-groups {
  margin-bottom: 44px;
}

.archive-groups .section-title {
  margin-bottom: 6px;
}

.archive-groups .section-desc {
  margin-bottom: 24px;
}

.archive-group {
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 22px 24px;
}

.archive-group + .archive-group {
  margin-top: 20px;
}

.group-head {
  padding-bottom: 12px;
  border-bottom: 2px solid #1c2733;
  margin-bottom: 14px;
}

.group-head h3 {
  font-size: 18px;
  line-height: 1.45;
  margin-bottom: 4px;
}

.group-scope {
  font-size: 13px;
  color: #6d6555;
}

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

.group-list li {
  padding: 10px 0;
  border-bottom: 1px dashed #e2d9c8;
}

.group-list li:last-child {
  border-bottom: none;
}

.group-list a {
  display: block;
  font-size: 15px;
  color: #1c2733;
  line-height: 1.7;
}

.group-list a:hover,
.group-list a:focus-visible {
  color: #b8432f;
}

.entry-form,
.entry-channel {
  display: inline-block;
  font-size: 12px;
  color: #5e8b6f;
  margin-left: 8px;
}

.archive-rules {
  margin-bottom: 44px;
}

.archive-rules .section-title {
  margin-bottom: 18px;
}

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

.rules-main,
.rules-aside {
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 22px;
}

.rules-main {
  border-top: 3px solid #5e8b6f;
}

.rules-aside {
  border-top: 3px solid #d9553f;
}

.rules-main h3,
.rules-aside h3 {
  font-size: 17px;
  line-height: 1.45;
  margin-bottom: 8px;
}

.rules-main p,
.rules-aside p {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.8;
  margin-bottom: 12px;
}

.rules-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.8;
}

.rules-list li + li {
  margin-top: 6px;
}

.rules-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  background-color: #a99f8c;
  border-radius: 50%;
}

.archive-paths {
  margin-bottom: 44px;
}

.archive-paths .section-title {
  margin-bottom: 6px;
}

.archive-paths .section-desc {
  margin-bottom: 20px;
}

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

.path-media {
  aspect-ratio: 16 / 10;
  margin-bottom: 14px;
}

.archive-compare .section-title {
  margin-bottom: 6px;
}

.archive-compare .section-desc {
  margin-bottom: 20px;
}

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

.compare-col {
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 22px;
}

.compare-archive {
  border-top: 3px solid #5e8b6f;
}

.compare-special {
  border-top: 3px solid #d9553f;
}

.compare-col h3 {
  font-size: 17px;
  line-height: 1.45;
  margin-bottom: 12px;
}

.compare-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.8;
}

.compare-list li + li {
  margin-top: 8px;
}

.compare-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  background-color: #a99f8c;
  border-radius: 50%;
}

/* 观看指南 guide */

.confirm-section,
.verify-section,
.faq-section {
  margin-bottom: 44px;
}

.confirm-section > .section-title,
.verify-section > .section-title,
.faq-section > .section-title {
  margin-bottom: 6px;
}

.confirm-section .section-intro,
.verify-section .section-intro,
.faq-section .section-intro {
  margin-bottom: 20px;
}

.guide-figure {
  aspect-ratio: 16 / 9;
  margin-bottom: 24px;
}

.confirm-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.confirm-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 18px 20px;
}

.confirm-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: #1c2733;
  color: #f7f2e7;
  font-size: 13px;
  font-weight: 700;
}

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

.confirm-name {
  font-size: 16px;
  font-weight: 600;
  color: #1c2733;
  line-height: 1.5;
  margin-bottom: 4px;
}

.confirm-basis {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.8;
}

.confirm-basis a {
  color: #b8432f;
}

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

.verify-card {
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-top: 3px solid #5e8b6f;
  border-radius: 6px;
  padding: 20px;
}

.verify-step {
  font-family: "SFMono-Regular", "Consolas", "Menlo", monospace;
  font-size: 13px;
  font-weight: 700;
  color: #d9553f;
  margin-bottom: 6px;
}

.verify-name {
  font-size: 17px;
  line-height: 1.45;
  margin-bottom: 8px;
}

.verify-text {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.8;
  margin-bottom: 8px;
}

.verify-result {
  font-size: 13px;
  color: #5e8b6f;
  line-height: 1.7;
  padding-top: 8px;
  border-top: 1px dashed #e2d9c8;
}

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

.faq-item {
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 0 20px;
}

.faq-question {
  cursor: pointer;
  padding: 16px 28px 16px 0;
  font-size: 16px;
  font-weight: 600;
  color: #1c2733;
  line-height: 1.6;
  position: relative;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: #d9553f;
  line-height: 1;
}

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

.faq-item[open] .faq-question {
  color: #b8432f;
}

.faq-answer {
  padding: 0 0 18px;
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.85;
  border-top: 1px dashed #e2d9c8;
  padding-top: 14px;
}

.faq-answer a {
  color: #b8432f;
}

.page-index {
  position: sticky;
  top: 20px;
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 20px;
}

.index-title {
  font-size: 16px;
  line-height: 1.45;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #d9d0be;
}

.index-list li + li {
  margin-top: 6px;
}

.index-list a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: #1c2733;
  border-left: 2px solid transparent;
  padding-left: 10px;
}

.index-list a:hover,
.index-list a:focus-visible {
  color: #b8432f;
  border-left-color: #d9553f;
  text-decoration: none;
}

.index-note {
  font-size: 12px;
  color: #6d6555;
  line-height: 1.7;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid #d9d0be;
}

.paths-section {
  padding: 40px 0 0;
  border-top: 1px solid #d9d0be;
}

.paths-section > .section-title {
  margin-bottom: 6px;
}

.paths-section .section-intro {
  margin-bottom: 20px;
}

.path-name {
  font-size: 17px;
  line-height: 1.45;
  margin-bottom: 8px;
}

.path-text {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.8;
}

.text-link {
  color: #b8432f;
  font-weight: 600;
}

/* 意见反馈 feedback */

.feedback-types,
.feedback-checklist,
.feedback-routes,
.feedback-boundary {
  margin-bottom: 44px;
}

.feedback-types > .section-title,
.feedback-checklist > .section-title,
.feedback-routes > .section-title,
.feedback-boundary > .section-title {
  margin-bottom: 6px;
}

.feedback-types .section-intro,
.feedback-checklist .section-intro,
.feedback-routes .section-intro,
.feedback-boundary .section-intro {
  margin-bottom: 20px;
}

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

.feedback-type-card {
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-top: 3px solid #d9553f;
  border-radius: 6px;
  padding: 22px;
}

.type-index {
  font-family: "SFMono-Regular", "Consolas", "Menlo", monospace;
  font-size: 14px;
  font-weight: 700;
  color: #d9553f;
  margin-bottom: 6px;
}

.type-name {
  font-size: 18px;
  line-height: 1.45;
  margin-bottom: 8px;
}

.type-desc {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.8;
  margin-bottom: 12px;
}

.type-detail {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 6px 10px;
  font-size: 13px;
  line-height: 1.7;
  padding-top: 12px;
  border-top: 1px dashed #e2d9c8;
}

.type-detail dt {
  color: #6d6555;
}

.type-detail dd {
  color: #3d4a57;
}

.type-detail dd a {
  color: #b8432f;
}

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

.checklist-col {
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 22px;
}

.checklist-aside {
  border-top: 3px solid #5e8b6f;
}

.checklist-heading {
  font-size: 17px;
  line-height: 1.45;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #d9d0be;
}

.checklist-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.8;
}

.checklist-list li + li {
  margin-top: 8px;
}

.checklist-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  background-color: #d9553f;
  border-radius: 50%;
}

.checklist-aside .checklist-list li::before {
  background-color: #5e8b6f;
}

.checklist-figure {
  aspect-ratio: 21 / 9;
  margin-top: 24px;
}

.route-list {
  border-top: 2px solid #1c2733;
}

.route-row {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 16px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid #d9d0be;
}

.route-type {
  font-size: 14px;
  font-weight: 600;
  color: #1c2733;
}

.route-link {
  font-size: 15px;
  color: #b8432f;
}

.route-note {
  font-size: 13px;
  color: #6d6555;
  line-height: 1.7;
}

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

.boundary-col {
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  padding: 22px;
}

.boundary-in {
  border-top: 3px solid #5e8b6f;
}

.boundary-out {
  border-top: 3px solid #d9553f;
}

.boundary-heading {
  font-size: 17px;
  line-height: 1.45;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #d9d0be;
}

.boundary-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.8;
}

.boundary-list li + li {
  margin-top: 8px;
}

.boundary-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  background-color: #a99f8c;
  border-radius: 50%;
}

.boundary-in .boundary-list li::before {
  background-color: #5e8b6f;
}

.boundary-out .boundary-list li::before {
  background-color: #d9553f;
}

.boundary-note {
  font-size: 14px;
  color: #3d4a57;
  line-height: 1.8;
  margin-top: 18px;
  padding: 14px 18px;
  background-color: #efe7d7;
  border-radius: 4px;
}

/* 404 */

.error-main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 72px 24px 80px;
}

.error-hero {
  max-width: 720px;
  margin-bottom: 44px;
}

.error-code {
  font-family: "SFMono-Regular", "Consolas", "Menlo", monospace;
  font-size: 64px;
  font-weight: 700;
  color: #d9553f;
  line-height: 1;
  margin-bottom: 16px;
}

.error-hero h1 {
  font-size: 32px;
  line-height: 1.3;
  margin-bottom: 14px;
}

.error-lead {
  font-size: 16px;
  color: #3d4a57;
  line-height: 1.85;
  margin-bottom: 24px;
}

.error-home-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 24px;
  background-color: #d9553f;
  color: #fffdf8;
  border-radius: 4px;
  font-weight: 600;
}

.error-home-link:hover,
.error-home-link:focus-visible {
  background-color: #b8432f;
  color: #fffdf8;
  text-decoration: none;
}

.error-paths h2 {
  font-size: 22px;
  line-height: 1.4;
  margin-bottom: 16px;
}

.error-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.error-list a {
  display: block;
  padding: 16px 18px;
  background-color: #fffdf8;
  border: 1px solid #d9d0be;
  border-radius: 6px;
  color: #1c2733;
  font-size: 15px;
}

.error-list a:hover,
.error-list a:focus-visible {
  border-color: #d9553f;
  color: #b8432f;
  text-decoration: none;
}

/* ==========================================================================
   响应式 responsive
   ========================================================================== */

@media (max-width: 1080px) {
  .hero-text h1 {
    font-size: 38px;
  }

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

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

  .depth-item {
    grid-template-columns: 280px minmax(0, 1fr);
  }
}

@media (max-width: 960px) {
  .header-inner {
    gap: 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav.site-nav {
    flex: 1 1 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding-bottom: 16px;
    display: none;
  }

  .main-nav.site-nav.is-open {
    display: flex;
  }

  .nav-primary {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-primary a {
    padding: 13px 8px;
    border-bottom: 1px solid #3a4653;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .nav-primary a.is-current {
    border-bottom-color: #d9553f;
  }

  .nav-tools {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding-top: 4px;
  }

  .nav-tools a {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    padding: 36px 24px 32px;
  }

  .hero-media {
    max-width: 560px;
  }

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

  .focus-item {
    border-left: none;
    border-top: 1px solid #3a4653;
    padding: 14px 0;
  }

  .focus-item:first-child {
    border-top: none;
  }

  .focus-item:nth-child(2) {
    padding-left: 20px;
    border-left: 1px solid #3a4653;
  }

  .focus-item:nth-child(4) {
    padding-left: 20px;
    border-left: 1px solid #3a4653;
  }

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

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

  .page-index {
    position: static;
  }

  .pick-row {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 6px 16px;
  }

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

  .pick-reason {
    grid-column: 2;
  }

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

  .depth-rules-inner,
  .guide-feedback-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

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

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

  .channel-intro-figure {
    max-width: 480px;
  }

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

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

  .depth-media {
    max-width: 520px;
  }

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

  .order-grid,
  .verify-grid,
  .feedback-type-grid,
  .topic-tags {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

@media (max-width: 680px) {
  body.site-body {
    font-size: 15px;
  }

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

  .brand {
    font-size: 19px;
  }

  .inner-main,
  .container,
  .hero-inner,
  .resource-center,
  .editor-picks,
  .specials,
  .depth-rules,
  .guide-feedback,
  .error-main {
    padding-left: 16px;
    padding-right: 16px;
  }

  .footer-inner,
  .footer-domain,
  .footer-note {
    padding-left: 16px;
    padding-right: 16px;
  }

  .page-title {
    font-size: 28px;
  }

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

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

  .hero-actions .btn {
    flex: 1 1 100%;
  }

  .section-title,
  .focus-card h2,
  .focus-body > h2,
  .channel-intro > h2,
  .channel-scope > h2,
  .channel-list-section > h2,
  .channel-related > h2,
  .channel-advice > h2,
  .related > h2 {
    font-size: 21px;
  }

  .focus-list {
    grid-template-columns: minmax(0, 1fr);
    padding: 0 16px;
  }

  .focus-item,
  .focus-item:nth-child(2),
  .focus-item:nth-child(4) {
    padding: 12px 0;
    border-left: none;
    border-top: 1px solid #3a4653;
  }

  .focus-item:first-child {
    border-top: none;
  }

  .entry-row {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 12px;
  }

  .entry-no {
    font-size: 16px;
  }

  .entry-title {
    font-size: 16px;
  }

  .pick-row {
    grid-template-columns: 40px minmax(0, 1fr);
    padding: 14px 0;
  }

  .pick-rank {
    font-size: 18px;
  }

  .special-grid,
  .related-grid,
  .order-grid,
  .verify-grid,
  .feedback-type-grid,
  .topic-tags,
  .paths-grid,
  .scope-list,
  .channel-related-cols,
  .advice-cols,
  .depth-method-grid,
  .depth-paths-grid,
  .rules-columns,
  .compare-columns,
  .checklist-grid,
  .boundary-grid,
  .error-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .channel-row {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
    padding: 18px 0;
  }

  .channel-row-num {
    font-size: 16px;
  }

  .depth-item {
    padding: 16px;
  }

  .focus-card {
    padding: 20px;
  }

  .guide-brief,
  .feedback-brief,
  .rules-column,
  .channel-sidebar,
  .aside-block,
  .related-block,
  .advice-col,
  .method-col,
  .path-card,
  .order-step,
  .related-card,
  .special-card,
  .structure-aside,
  .rules-main,
  .rules-aside,
  .compare-col,
  .feedback-type-card,
  .checklist-col,
  .boundary-col,
  .page-index {
    padding: 18px;
  }

  .confirm-item,
  .order-item {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 12px;
    padding: 16px;
  }

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

  .type-detail {
    grid-template-columns: 68px minmax(0, 1fr);
  }

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

  .error-code {
    font-size: 48px;
  }

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

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding-top: 36px;
  }

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

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

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

  .skip-link,
  .btn {
    transition: none;
  }
}

/* 程序验收反馈：移动端正文优先 */
@media (max-width: 768px) {
  .site-main :is(.page-content, .main-content, .content-main) {
    order: 1;
  }

  .site-main :is(aside, .sidebar) {
    order: 2;
  }
}