/* ==========================================================================
   奇漫屋免费阅读 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base
   -------------------------------------------------------------------------- */

:root {
  --paper: #f4f1ea;
  --board: #fffdf8;
  --ink: #1f2422;
  --ink-soft: #5c6660;
  --accent: #a5432c;
  --line: #d7d3c8;
  --invert: #232a27;
  --line-strong: #b9b3a4;
  --shell-width: 1120px;
  --side-width: 216px;
  --gap-col: 32px;
  --radius: 4px;
}

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

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

body {
  margin: 0;
  background-color: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC",
    sans-serif;
  font-size: 16px;
  line-height: 1.85;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}

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

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

h1,
h2,
h3,
h4 {
  color: var(--ink);
  line-height: 1.35;
  font-weight: 700;
}

h2 {
  font-size: 22px;
  font-weight: 600;
}

h3 {
  font-size: 17px;
  font-weight: 600;
}

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

a:hover,
a:focus-visible {
  color: #7f3120;
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

button {
  font: inherit;
  color: inherit;
}

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

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

/* --------------------------------------------------------------------------
   layout · 全站骨架
   -------------------------------------------------------------------------- */

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  max-width: var(--shell-width);
  min-height: 64px;
  margin: 0 auto;
  padding: 0 24px;
}

.brand {
  flex: 0 0 auto;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
  padding-left: 12px;
  border-left: 3px solid var(--accent);
}

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

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

.site-nav a {
  display: block;
  padding: 8px 12px;
  font-size: 15px;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
  line-height: 1.5;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
  text-decoration: none;
  border-bottom-color: var(--line-strong);
}

.site-nav a.is-current {
  color: var(--ink);
  font-weight: 600;
  border-bottom-color: var(--accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--ink);
  border-radius: 1px;
}

.site-main {
  display: block;
  width: 100%;
}

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

/* 双栏：默认主内容在前，aside 在后 */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--side-width);
  gap: var(--gap-col);
  align-items: start;
  width: 100%;
  margin-top: 40px;
}

/* 侧栏在前的真实 DOM 布局 */
.sidebar-left {
  grid-template-columns: var(--side-width) minmax(0, 1fr);
}

.page-layout.sidebar-left > .side-index {
  grid-column: 1;
  grid-row: 1;
}

.page-layout.sidebar-left > .content-column,
.page-layout.sidebar-left > .page-content,
.page-layout.sidebar-left > .page-body {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
}

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

/* 页头骨架 */
.page-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

.page-title-copy,
.page-title-main {
  min-width: 0;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin-bottom: 18px;
}

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

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

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

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

.page-header {
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

/* 页脚骨架 */
.site-footer {
  background-color: var(--invert);
  color: #d9d7cf;
  margin-top: 8px;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(220px, 1.4fr) repeat(4, minmax(0, 1fr));
  gap: 32px;
  width: 100%;
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 48px 24px 32px;
}

.footer-brand-name {
  font-size: 17px;
  font-weight: 700;
  color: #f6f4ee;
  line-height: 1.4;
  margin-bottom: 10px;
}

.footer-brand-desc {
  font-size: 13px;
  line-height: 1.75;
  color: #b3b6ae;
}

.footer-col-title {
  font-size: 13px;
  font-weight: 600;
  color: #f6f4ee;
  letter-spacing: normal;
  line-height: 1.6;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #3a423e;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col a {
  font-size: 13px;
  line-height: 1.7;
  color: #c5c8c0;
}

.footer-col a:hover,
.footer-col a:focus-visible {
  color: #f6f4ee;
}

.footer-bottom {
  width: 100%;
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 16px 24px 28px;
  border-top: 1px solid #3a423e;
  font-size: 13px;
  line-height: 1.75;
  color: #9ea39b;
}

.footer-bottom p + p {
  margin-top: 4px;
}

.footer-copy {
  color: #83887f;
}

/* --------------------------------------------------------------------------
   components · 通用组件
   -------------------------------------------------------------------------- */

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 22px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  border: 1px solid transparent;
  border-radius: var(--radius);
  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: var(--accent);
  border-color: var(--accent);
  color: #fffdf8;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: #8c3723;
  border-color: #8c3723;
  color: #fffdf8;
}

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

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--ink);
  background-color: var(--board);
  color: var(--ink);
}

/* 左侧目录 */
.side-index {
  position: sticky;
  top: 88px;
  align-self: start;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 16px 14px;
}

.side-index-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.side-index-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.side-index-list a,
.side-index-link {
  display: block;
  padding: 7px 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
  border-left: 2px solid transparent;
  border-radius: 0 3px 3px 0;
}

.side-index-list a:hover,
.side-index-list a:focus-visible,
.side-index-link:hover,
.side-index-link:focus-visible {
  color: var(--ink);
  text-decoration: none;
  background-color: #f0ece2;
  border-left-color: var(--line-strong);
}

.side-index-list a.is-active,
.side-index-link.is-active {
  color: var(--accent);
  font-weight: 600;
  border-left-color: var(--accent);
  background-color: #f0ece2;
}

.side-index-progress {
  position: relative;
  height: 3px;
  margin-top: 14px;
  background-color: var(--line);
  border-radius: 2px;
  overflow: hidden;
}

.side-index-progress-fill,
.side-index-progress-bar {
  display: block;
  width: 0;
  height: 100%;
  background-color: var(--accent);
  border-radius: 2px;
  transition: width 0.15s linear;
}

/* 内容区块通用 */
.content-section,
.content-block {
  padding-bottom: 36px;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--line);
}

.content-section:last-child,
.content-block:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.content-section h2,
.content-block h2,
.section h2 {
  position: relative;
  padding-left: 14px;
  margin-bottom: 14px;
}

.content-section h2::before,
.content-block h2::before,
.section h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.32em;
  width: 3px;
  height: 0.95em;
  background-color: var(--accent);
  border-radius: 1px;
}

.section-intro,
.section-lead,
.block-lead,
.section p {
  max-width: 68ch;
  color: var(--ink);
}

.section-intro + *,
.section-lead + *,
.block-lead + *,
p + .section-intro {
  margin-top: 16px;
}

.content-section p + p,
.content-block p + p {
  margin-top: 12px;
}

/* 图注 */
.figure-tag,
.figure-caption,
.media-caption {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
  padding-left: 10px;
  border-left: 2px solid var(--line-strong);
}

/* 图片容器统一约束 */
.hero-figure img,
.wall-figure img,
.archive-figure img,
.entry-figure img,
.section-figure img,
.media-figure img,
.content-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  background-color: #e8e3d8;
}

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

.data-table,
.split-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.7;
  min-width: 560px;
}

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

.data-table th,
.data-table td,
.split-table th,
.split-table td {
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.data-table thead th,
.split-table thead th {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  background-color: #f0ece2;
  white-space: nowrap;
}

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

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

/* FAQ 折叠块 */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 18px;
}

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

.faq-item summary {
  position: relative;
  padding: 14px 28px 14px 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  line-height: 20px;
  text-align: center;
  font-size: 16px;
  font-weight: 400;
  color: var(--ink-soft);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transition: transform 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

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

.faq-item summary:hover::after {
  border-color: var(--ink);
  color: var(--ink);
  transform: translateY(-50%) scale(1.08);
}

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

/* 章节末尾更多链接 */
.section-more,
.section-tail,
.section-related,
.section-note,
.boundary-more {
  margin-top: 18px;
  font-size: 15px;
  line-height: 1.7;
}

.section-more a,
.section-tail a,
.section-related a,
.section-note a,
.boundary-more a,
.boundary-link a {
  font-weight: 600;
}

.section-more a::after,
.section-tail a::after,
.section-related a::after,
.boundary-more a::after {
  content: " →";
  font-weight: 400;
}

/* 相关入口条 */
.related-strip {
  margin-top: 8px;
  padding: 20px 22px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.related-strip-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 10px;
}

.related-strip ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}

.related-strip li a {
  font-size: 15px;
  font-weight: 600;
}

/* 边界说明块 */
.boundary-strip {
  padding: 22px 24px;
  background-color: #efeade;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.boundary-strip h2 {
  padding-left: 0;
  margin-bottom: 10px;
}

.boundary-strip h2::before {
  display: none;
}

/* --------------------------------------------------------------------------
   pages · 首页
   -------------------------------------------------------------------------- */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 40px;
  align-items: center;
  padding: 48px 0 44px;
  border-bottom: 1px solid var(--line);
}

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

.hero-eyebrow {
  display: inline-block;
  font-size: 13px;
  line-height: 1.6;
  color: var(--accent);
  padding: 2px 10px;
  margin-bottom: 16px;
  border: 1px solid #d9c3b9;
  border-radius: 2px;
  background-color: #f8efe9;
}

.hero h1 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 18px;
}

.hero-lead {
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
  margin-bottom: 22px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.hero-tags li {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink);
  padding: 4px 12px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-radius: 2px;
}

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

.hero-figure {
  position: relative;
  min-width: 0;
  margin: 0;
  padding: 10px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.hero-figure .figure-tag {
  margin-top: 10px;
}

/* 首页各区块 */
.section {
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}

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

.section-lead {
  color: var(--ink-soft);
  margin-bottom: 22px;
}

/* 题材方向入口条 */
.entry-strips {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.entry-strip {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 16px 20px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.entry-strip:hover {
  border-color: var(--line-strong);
  background-color: #fbf8f1;
}

.entry-dim {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--accent);
  padding: 2px 0;
  border-bottom: 1px solid #e2d4cc;
}

.entry-desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.entry-link {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.entry-link::after {
  content: " →";
  font-weight: 400;
}

/* 题材示意图墙 */
.wall-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.wall-card {
  display: flex;
  flex-direction: column;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 10px 14px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.wall-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.wall-figure {
  margin: 0 0 12px;
}

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

.wall-name {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  margin: 0 0 6px;
  padding: 0 6px;
}

.wall-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
  padding: 0 6px;
  margin-bottom: 12px;
  flex: 1 1 auto;
}

.wall-link {
  align-self: flex-start;
  margin: 0 6px;
  font-size: 14px;
  font-weight: 600;
}

.wall-link::after {
  content: " →";
  font-weight: 400;
}

/* 追更节奏摘要 */
.cadence-scale {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
  margin-bottom: 24px;
}

.scale-step {
  display: block;
  height: 10px;
  border-radius: 2px;
  background-color: #ded8cb;
}

.step-1 {
  background-color: #8f3a26;
}

.step-2 {
  background-color: #ab4a31;
}

.step-3 {
  background-color: #c26a4f;
}

.step-4 {
  background-color: #d79b83;
}

.step-5 {
  background-color: #e3c4b7;
}

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

.cadence-point {
  padding: 18px 18px 16px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
}

.cadence-point h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

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

/* 阅读动线三步 */
.route-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  counter-reset: route;
}

.route-step {
  position: relative;
  padding: 20px 20px 18px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.route-step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 44px;
  right: -24px;
  width: 24px;
  height: 1px;
  background-color: var(--line-strong);
}

.route-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin-bottom: 12px;
  font-size: 14px;
  font-weight: 700;
  color: #fffdf8;
  background-color: var(--accent);
  border-radius: 50%;
}

.route-name {
  font-size: 17px;
  margin-bottom: 8px;
}

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

/* 首页边界说明条 */
.section-boundary {
  margin: 8px 0 0;
  padding: 24px 26px;
  background-color: #efeade;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.section-boundary h2 {
  font-size: 18px;
  margin-bottom: 10px;
  padding-left: 0;
}

.section-boundary h2::before {
  display: none;
}

.section-boundary p {
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages · 内页通用（页标题区）
   -------------------------------------------------------------------------- */

.page-title {
  margin: 0;
}

.inner-main > .page-title,
.page-head > .page-title {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: end;
  padding: 28px 0 20px;
  border-bottom: 1px solid var(--line);
}

.page-title-desc,
.page-desc,
.page-lead {
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-top: 10px;
}

.page-location,
.site-position,
.page-posture {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
  text-align: right;
  padding: 6px 12px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-radius: 2px;
  white-space: nowrap;
}

.page-head {
  display: block;
}

/* --------------------------------------------------------------------------
   pages · 找漫入口 entry
   -------------------------------------------------------------------------- */

.entry-figure,
.section-figure,
.media-figure,
.content-figure {
  margin: 20px 0 0;
}

.entry-figure img {
  width: 100%;
  max-height: 320px;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

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

.dim-card {
  display: flex;
  flex-direction: column;
  padding: 20px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.dim-field {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  line-height: 1.6;
  margin-bottom: 8px;
}

.dim-card h3 {
  font-size: 17px;
  margin-bottom: 10px;
}

.dim-card > p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

.dim-examples {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

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

.dim-examples li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border: 1px solid var(--accent);
  border-radius: 50%;
}

.split-table {
  margin-top: 20px;
}

.section-note {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 14px;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages · 题材档案 archive
   -------------------------------------------------------------------------- */

.archive-entry {
  display: grid;
  grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

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

.archive-figure {
  margin: 0;
}

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

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

.archive-name {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 10px;
}

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

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

.archive-fields .field-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 8px 12px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-radius: 3px;
}

.archive-fields dt {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  text-align: right;
  line-height: 1.7;
}

.archive-fields dd {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.field-row-warn {
  border-left: 3px solid var(--accent);
}

/* 包含 / 不包含 对照 */
.compare-block {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 22px;
}

.include-list,
.exclude-list {
  padding: 20px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.include-list {
  border-top: 3px solid #5f7d5a;
}

.exclude-list {
  border-top: 3px solid var(--accent);
}

.include-list h3,
.exclude-list h3 {
  font-size: 16px;
  margin-bottom: 12px;
}

.include-list ul,
.exclude-list ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.include-list li,
.exclude-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.include-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: #5f7d5a;
  font-size: 14px;
  line-height: 1.75;
}

.exclude-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-size: 14px;
  line-height: 1.75;
}

/* 关联题材互链 */
.related-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 20px;
}

.related-links li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 12px 16px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.related-links a {
  font-size: 15px;
  font-weight: 600;
}

.related-reason {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages · 追更节奏 cadence
   -------------------------------------------------------------------------- */

.section-figure img {
  width: 100%;
  max-height: 260px;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

/* 内页五段刻度（带名称与说明，与首页色块区分） */
.section-cadence .cadence-scale,
.content-section .cadence-scale {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin: 22px 0 26px;
}

.cadence-scale-seg {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 10px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-top: 4px solid #ded8cb;
  border-radius: 3px;
}

.cadence-scale-seg:nth-child(1) {
  border-top-color: #8f3a26;
}

.cadence-scale-seg:nth-child(2) {
  border-top-color: #ab4a31;
}

.cadence-scale-seg:nth-child(3) {
  border-top-color: #c26a4f;
}

.cadence-scale-seg:nth-child(4) {
  border-top-color: #d79b83;
}

.cadence-scale-seg:nth-child(5) {
  border-top-color: #e3c4b7;
}

.cadence-scale-name {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

.cadence-scale-note {
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* 三种形态字段行 */
.form-rows {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}

.form-row {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.form-row-name {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  padding-left: 12px;
  border-left: 3px solid var(--accent);
}

.form-row-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* 断更处理清单 */
.pause-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 18px;
  counter-reset: pause;
}

.pause-list li {
  position: relative;
  padding: 12px 16px 12px 46px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
  counter-increment: pause;
}

.pause-list li::before {
  content: counter(pause, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 12px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.75;
  color: var(--accent);
}

/* 记录字段卡 */
.record-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.record-card {
  padding: 16px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.record-field {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  padding-bottom: 8px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

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

/* --------------------------------------------------------------------------
   pages · 阅读说明 notes
   -------------------------------------------------------------------------- */

.media-figure img {
  width: 100%;
  max-height: 340px;
  aspect-ratio: 16 / 8;
  object-fit: cover;
}

.direction-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.direction-item {
  padding: 18px 20px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.direction-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
  padding-left: 10px;
  border-left: 3px solid var(--accent);
}

.direction-item p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.field-rows {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 20px;
  border-top: 1px solid var(--line);
}

.field-rows .field-row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.field-rows .field-name {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.7;
  color: var(--ink-soft);
  text-align: right;
}

.field-rows .field-value {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

/* 分镜读法步骤 */
.step-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.step-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px 18px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  background-color: #f6ece7;
  border: 1px solid #e0c8bd;
  border-radius: 50%;
}

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

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

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

/* --------------------------------------------------------------------------
   pages · 纠错反馈 feedback
   -------------------------------------------------------------------------- */

.content-figure img {
  width: 100%;
  max-height: 280px;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

.feedback-type-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.feedback-type-item {
  padding: 16px 18px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.feedback-type-item h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

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

/* 写法对照 */
.compare-group {
  margin-top: 22px;
}

.compare-group h3 {
  font-size: 16px;
  margin-bottom: 12px;
  padding-left: 10px;
  border-left: 3px solid var(--accent);
}

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

.compare-col {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--board);
}

.compare-label {
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--line);
}

.compare-vague {
  border-left: 3px solid #b9b3a4;
}

.compare-vague .compare-label {
  color: var(--ink-soft);
}

.compare-clear {
  border-left: 3px solid #5f7d5a;
}

.compare-clear .compare-label {
  color: #4d6749;
}

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

.compare-col p + p {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
}

.block-note {
  margin-top: 18px;
  padding: 14px 16px;
  background-color: #efeade;
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* 不承接请求 */
.boundary-box {
  margin-top: 20px;
  padding: 20px 22px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
}

.boundary-box h3 {
  font-size: 16px;
  margin-bottom: 12px;
}

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

.boundary-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.boundary-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  line-height: 1.75;
}

/* 相关入口列表 */
.related-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
}

.related-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 10px 14px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.related-list a {
  font-size: 15px;
  font-weight: 600;
}

.related-list span {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages · 404
   -------------------------------------------------------------------------- */

.error-main {
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 56px 24px 72px;
}

.error-panel {
  padding: 40px 36px;
  background-color: var(--board);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.error-code {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--accent);
  margin-bottom: 10px;
}

.error-panel h1 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 14px;
}

.error-desc {
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 24px;
}

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

.error-routes {
  margin-top: 32px;
}

.error-routes h2 {
  position: relative;
  font-size: 20px;
  padding-left: 14px;
  margin-bottom: 16px;
}

.error-routes h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.32em;
  width: 3px;
  height: 0.95em;
  background-color: var(--accent);
  border-radius: 1px;
}

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

.error-route-list a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  background-color: var(--board);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.error-route-list a:hover,
.error-route-list a:focus-visible {
  color: var(--accent);
  border-color: var(--line-strong);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   responsive · 960px
   -------------------------------------------------------------------------- */

@media (max-width: 960px) {
  .header-inner {
    gap: 16px;
    padding: 0 18px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 8px 20px rgba(31, 36, 34, 0.08);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.22s ease;
  }

  .site-nav.is-open {
    max-height: 420px;
    overflow-y: auto;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 6px 0;
  }

  .site-nav a {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 0 18px;
    font-size: 16px;
    border-bottom: 0;
    border-left: 3px solid transparent;
  }

  .site-nav a.is-current {
    border-left-color: var(--accent);
    background-color: #efeade;
  }

  .home-main,
  .inner-main {
    padding: 0 18px 48px;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
    padding: 32px 0 30px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero-figure {
    order: 2;
  }

  .page-layout,
  .sidebar-left {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    margin-top: 28px;
  }

  .page-layout.sidebar-left > .side-index,
  .page-layout.sidebar-left > .content-column,
  .page-layout.sidebar-left > .page-content,
  .page-layout.sidebar-left > .page-body {
    grid-column: 1;
    grid-row: auto;
  }

  .side-index {
    position: static;
    top: auto;
    order: 2;
  }

  .page-layout.sidebar-left > .side-index {
    order: 2;
  }

  .page-layout.sidebar-left > .content-column,
  .page-layout.sidebar-left > .page-content,
  .page-layout.sidebar-left > .page-body {
    order: 1;
  }

  .side-index-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }

  .side-index-list a,
  .side-index-link {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 8px 10px;
    background-color: #f0ece2;
    border: 1px solid var(--line);
    border-left-width: 2px;
    border-radius: 3px;
    font-size: 14px;
  }

  .side-index-list a.is-active,
  .side-index-link.is-active {
    border-color: var(--accent);
  }

  .inner-main > .page-title,
  .page-head > .page-title {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    padding: 22px 0 16px;
  }

  .page-location,
  .site-position,
  .page-posture {
    justify-self: start;
    text-align: left;
    white-space: normal;
  }

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

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

  .cadence-points,
  .route-steps,
  .dim-grid,
  .record-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .route-step:not(:last-child)::after {
    display: none;
  }

  .archive-entry {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

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

  .form-row {
    grid-template-columns: 116px minmax(0, 1fr);
    gap: 16px;
  }

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

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

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
    padding: 36px 18px 26px;
  }

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

  .footer-bottom {
    padding: 14px 18px 24px;
  }
}

/* --------------------------------------------------------------------------
   responsive · 640px
   -------------------------------------------------------------------------- */

@media (max-width: 640px) {
  body {
    font-size: 15px;
    line-height: 1.8;
  }

  .header-inner {
    padding: 0 14px;
  }

  .brand {
    font-size: 16px;
    padding-left: 10px;
  }

  .home-main,
  .inner-main {
    padding: 0 14px 40px;
  }

  .hero {
    padding: 26px 0 24px;
  }

  .hero h1 {
    font-size: 27px;
  }

  .hero-lead {
    font-size: 15px;
    margin-bottom: 18px;
  }

  .hero-eyebrow {
    font-size: 12px;
    margin-bottom: 12px;
  }

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

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

  .section {
    padding: 28px 0;
  }

  .section h2,
  .content-section h2,
  .content-block h2 {
    font-size: 19px;
  }

  .entry-strip {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    padding: 14px 16px;
  }

  .entry-dim {
    justify-self: start;
    padding: 0 0 2px;
  }

  .entry-link {
    justify-self: start;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }

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

  .wall-card {
    padding: 8px 8px 12px;
  }

  .wall-name {
    font-size: 15px;
    padding: 0 4px;
  }

  .wall-desc {
    font-size: 13px;
    padding: 0 4px;
    margin-bottom: 10px;
  }

  .wall-link {
    margin: 0 4px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    font-size: 13px;
  }

  .cadence-points,
  .route-steps,
  .dim-grid,
  .record-cards,
  .direction-grid,
  .compare-pair {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .cadence-scale {
    gap: 4px;
  }

  .scale-step {
    height: 8px;
  }

  .content-section .cadence-scale,
  .section-cadence .cadence-scale {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .cadence-scale-seg {
    padding: 10px;
  }

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

  .form-row-name {
    font-size: 15px;
  }

  .archive-fields .field-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .archive-fields dt {
    text-align: left;
  }

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

  .field-rows .field-row {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 12px;
  }

  .step-item {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 12px;
    padding: 14px;
  }

  .step-no {
    width: 30px;
    height: 30px;
    font-size: 13px;
  }

  .pause-list li {
    padding: 12px 14px 12px 42px;
    font-size: 14px;
  }

  .related-links li,
  .related-list li {
    flex-direction: column;
    gap: 4px;
  }

  .related-strip ul {
    flex-direction: column;
    gap: 0;
  }

  .related-strip li a {
    display: flex;
    align-items: center;
    min-height: 44px;
  }

  .faq-item summary {
    font-size: 15px;
    padding: 13px 30px 13px 0;
  }

  .faq-item p {
    font-size: 14px;
  }

  .boundary-strip,
  .section-boundary,
  .error-panel {
    padding: 18px 16px;
  }

  .error-main {
    padding: 32px 14px 48px;
  }

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

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

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

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

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
    padding: 30px 14px 22px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-col a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    font-size: 14px;
  }

  .footer-col ul {
    gap: 0;
  }

  .footer-bottom {
    padding: 14px 14px 22px;
  }

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

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

  .side-index-list a,
  .side-index-link {
    min-height: 44px;
  }

  .table-scroll,
  .table-wrap {
    border-radius: 3px;
  }

  .data-table,
  .split-table {
    font-size: 14px;
    min-width: 520px;
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* 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;
  }
}