/* ==========================================================================
   paofuling.com — 哔哩哔哩漫画官网
   题材索引 · 连载更新速览 · 阅读指引
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* ==========================================================================
   base — 变量、重置、字体、通用元素
   ========================================================================== */

:root {
  --ink: #161b22;
  --ink-soft: #5c6673;
  --paper: #f6f7f8;
  --card: #ffffff;
  --line: #e2e5e9;
  --line-strong: #ccd2d9;
  --accent: #cc4a2e;
  --accent-soft: #fbece8;
  --accent-deep: #a63a22;
  --radius: 6px;
  --radius-sm: 4px;
  --shell: 1080px;
  --gap: 24px;
  --header-h: 60px;
}

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

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

body.site-body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  font-variant-numeric: tabular-nums;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.35;
}

p {
  margin: 0;
}

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

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

a:hover {
  color: var(--accent);
}

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

figure {
  margin: 0;
}

figcaption {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.6;
}

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

button {
  font: inherit;
  color: inherit;
}

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

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

/* ==========================================================================
   layout — 骨架：页头、主导航、主容器、页脚
   ========================================================================== */

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

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

.brand {
  flex: 0 0 auto;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.brand:hover {
  color: var(--accent);
}

.site-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
}

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

.nav-item {
  display: flex;
}

.nav-item a {
  display: flex;
  align-items: center;
  padding: 0 12px;
  min-height: var(--header-h);
  font-size: 15px;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
}

.nav-item a:hover {
  color: var(--ink);
}

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

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
}

.site-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 32px 24px 56px;
}

.inner-main {
  padding-top: 20px;
}

.home-main {
  padding-top: 28px;
}

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

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

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

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

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

.page-header {
  padding-bottom: 6px;
}

.page-title {
  font-size: 32px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
}

.page-title-block {
  margin-bottom: 28px;
}

.page-lead,
.page-title-lead {
  max-width: 760px;
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.7;
}

.site-footer {
  background: var(--card);
  border-top: 1px solid var(--line);
  margin-top: 16px;
}

.footer-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 36px 24px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
}

.footer-brand {
  flex: 1 1 240px;
  min-width: 220px;
}

.footer-brand-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.footer-slogan {
  margin-top: 8px;
  max-width: 320px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.footer-nav {
  flex: 2 1 480px;
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
}

.footer-col {
  flex: 1 1 140px;
  min-width: 140px;
}

.footer-col-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}

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

.footer-col a {
  color: var(--ink-soft);
  font-size: 13px;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 16px 24px 28px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: space-between;
  font-size: 13px;
  color: var(--ink-soft);
}

.footer-domain {
  color: var(--ink-soft);
}

/* ==========================================================================
   components — 通用组件：标题、按钮、标签、开关、步骤、卡片、表格、FAQ
   ========================================================================== */

.section-title,
.section-heading {
  position: relative;
  font-size: 22px;
  font-weight: 600;
  padding-left: 14px;
  color: var(--ink);
}

.section-title::before,
.section-heading::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: var(--accent);
  border-radius: 2px;
}

.section-lead,
.section-desc,
.section-intro {
  margin-top: 10px;
  max-width: 780px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

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

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

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

.btn-primary:hover {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
  color: #fff;
}

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

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

/* 文本链接 */
.link-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}

.link-more::after {
  content: "›";
  font-size: 15px;
}

.link-more:hover {
  color: var(--accent-deep);
}

.inline-link {
  color: var(--accent);
  font-weight: 600;
  border-bottom: 1px solid var(--accent-soft);
}

.inline-link:hover {
  border-bottom-color: var(--accent);
}

/* 编号步骤外壳（首页 / 连载更新 / 内容说明 / 题材分类共用） */
.step-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-top: 20px;
}

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

.step-num,
.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-bottom: 10px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.step-name {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.step-item p,
.step-text,
.step-desc {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.7;
}

/* 通用图片容器 */
.cover-media,
.hero-visual,
.overview-media,
.update-intro-figure,
.criteria-media,
.method-figure,
.asset-usage-figure,
.faq-figure {
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--paper);
}

.cover-media img,
.hero-visual img,
.overview-media img,
.update-intro-figure img,
.criteria-media img,
.method-figure img,
.asset-usage-figure img,
.faq-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 折叠问答 */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 18px;
}

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

.faq-question {
  position: relative;
  padding: 16px 44px 16px 18px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  font-weight: 400;
  color: var(--accent);
}

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

.faq-question:hover {
  color: var(--accent);
}

.faq-answer {
  padding: 14px 18px 18px;
  border-top: 1px solid var(--line);
}

.faq-answer p {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

.faq-answer p + p {
  margin-top: 10px;
}

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

.faq-more a {
  color: var(--accent);
  font-weight: 600;
}

.faq-more a:hover {
  color: var(--accent-deep);
}

/* 相关入口：链接块 */
.link-block,
.related-entry {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.link-block:hover,
.related-entry:hover {
  border-color: var(--accent);
  color: var(--ink);
}

.link-block-title,
.related-entry-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.link-block-desc,
.related-entry-desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-soft);
}

/* 相关入口区通用外壳 */
.related-entries {
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.related-entry-list,
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.related-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.related-item {
  padding: 16px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.related-link {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.related-link:hover {
  color: var(--accent);
}

.related-desc,
.related-item p {
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.65;
}

/* ==========================================================================
   pages — 首页
   ========================================================================== */

.hero-toolbar {
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.hero-text {
  max-width: 620px;
}

.hero-text h1 {
  font-size: 32px;
  line-height: 1.35;
  font-weight: 600;
}

.hero-lead {
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.75;
}

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

.hero-visual {
  margin-top: 26px;
  aspect-ratio: 16 / 7;
  border: 1px solid var(--line);
}

.hero-toolbar-bar {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  justify-content: space-between;
}

.theme-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
}

.theme-tab {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  color: var(--ink-soft);
  font-size: 14px;
  white-space: nowrap;
}

.theme-tab:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.theme-tab.is-active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

.instant-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  cursor: pointer;
}

.switch-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.switch-track {
  position: relative;
  flex: 0 0 auto;
  width: 42px;
  height: 24px;
  border-radius: 999px;
  background: var(--line-strong);
  transition: background-color 0.18s ease;
}

.switch-track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.18s ease;
}

.switch-input:checked + .switch-track {
  background: var(--accent);
}

.switch-input:checked + .switch-track::after {
  transform: translateX(18px);
}

.switch-input:focus-visible + .switch-track {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.switch-label {
  font-size: 14px;
  color: var(--ink);
}

/* 站点总览 */
.site-overview {
  margin-top: 40px;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.overview-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.overview-col h3 {
  font-size: 17px;
}

.overview-col p {
  flex: 1 1 auto;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

/* 主推题材封面墙 */
.featured-covers {
  margin-top: 44px;
}

.cover-grid {
  display: grid;
  gap: 18px;
  margin-top: 20px;
}

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

.cover-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.cover-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.cover-media {
  aspect-ratio: 3 / 4;
  border: 1px solid var(--line);
}

.cover-name {
  font-size: 16px;
}

.cover-desc {
  flex: 1 1 auto;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

/* 编辑短评 */
.editor-notes {
  margin-top: 44px;
}

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

.note-item {
  padding: 20px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.note-theme {
  font-size: 16px;
}

.note-body {
  margin-top: 10px;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.75;
}

.note-for {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.65;
}

/* 更新查看四步 */
.update-steps {
  margin-top: 44px;
}

/* 连载状态口径 */
.status-table {
  margin-top: 44px;
}

.status-list {
  margin: 20px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  overflow: hidden;
}

.status-row {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  border-bottom: 1px solid var(--line);
}

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

.status-name {
  padding: 16px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
}

.status-desc {
  margin: 0;
  padding: 16px 18px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.7;
}

/* 同类题材推荐 */
.similar-themes {
  margin-top: 44px;
}

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

.similar-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.similar-main {
  font-size: 17px;
}

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

.similar-col p:not(.similar-desc) {
  flex: 1 1 auto;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.similar-col .link-more {
  margin-top: 4px;
}

/* 常见问题摘录 */
.faq-excerpt {
  margin-top: 44px;
}

.faq-excerpt .faq-more {
  margin-top: 16px;
}

/* 内容说明入口 */
.notes-entry {
  margin-top: 44px;
  padding: 26px 24px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.notes-entry .btn {
  margin-top: 18px;
}

/* ==========================================================================
   pages — 内页：题材分类
   ========================================================================== */

.category-overview {
  display: grid;
  grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  margin-top: 28px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.overview-media {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
}

.overview-text h2 {
  margin-bottom: 12px;
}

.overview-text p {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

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

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

.overview-list li {
  position: relative;
  padding-left: 18px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

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

.theme-groups {
  margin-top: 40px;
}

.theme-group {
  margin-top: 28px;
}

.theme-group + .theme-group {
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.group-title {
  font-size: 18px;
}

.theme-entry-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.theme-entry {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.theme-entry-name {
  font-size: 16px;
}

.theme-entry-desc {
  flex: 1 1 auto;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.theme-entry-audience {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.6;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
}

.theme-entry-link {
  margin-top: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}

.theme-entry-link:hover {
  color: var(--accent-deep);
}

.theme-branches {
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.branch-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 20px;
}

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

.branch-name {
  font-size: 16px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

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

.branch-sub-item {
  position: relative;
  padding-left: 16px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.branch-sub-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 1px;
}

.browse-path {
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

/* ==========================================================================
   pages — 内页：连载更新
   ========================================================================== */

.update-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
  gap: 28px;
  align-items: start;
  margin-top: 28px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.update-intro-text p {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

.update-intro-figure {
  border: 1px solid var(--line);
}

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

.week-calendar {
  margin-top: 40px;
}

.week-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.week-cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.week-name {
  font-size: 15px;
  color: var(--accent);
}

.week-note {
  flex: 1 1 auto;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.65;
}

.week-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}

.week-link:hover {
  color: var(--accent-deep);
}

.status-legend {
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.status-legend .status-table {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  overflow: hidden;
}

.status-legend .status-table th,
.status-legend .status-table td {
  padding: 16px 18px;
  text-align: left;
  font-size: 15px;
  line-height: 1.7;
  border-bottom: 1px solid var(--line);
}

.status-legend .status-table thead th {
  background: var(--paper);
  font-weight: 600;
  color: var(--ink);
}

.status-legend .status-table tbody th {
  width: 180px;
  color: var(--accent);
  background: var(--accent-soft);
  font-weight: 600;
}

.status-legend .status-table tbody td {
  color: var(--ink-soft);
}

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

.follow-steps {
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

/* ==========================================================================
   pages — 内页：推荐榜单
   ========================================================================== */

.ranking-criteria {
  margin-top: 28px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.criteria-layout {
  display: grid;
  grid-template-columns: minmax(0, 400px) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  margin-top: 20px;
}

.criteria-media {
  border: 1px solid var(--line);
}

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

.criteria-text p {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

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

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

.criteria-notes li {
  position: relative;
  padding-left: 18px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

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

.ranking-block {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

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

.ranking-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.ranking-index {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 18px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

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

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

.ranking-reason {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.7;
}

.ranking-audience {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.65;
}

/* ==========================================================================
   pages — 内页：阅读指引
   ========================================================================== */

.section {
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.choosing-method {
  margin-top: 28px;
  padding-top: 0;
  border-top: 0;
}

.method-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 400px);
  gap: 28px;
  align-items: start;
  margin-top: 20px;
}

.method-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  align-items: start;
}

.method-steps .step-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.method-figure {
  border: 1px solid var(--line);
}

.method-figure img {
  aspect-ratio: 4 / 5;
}

.match-table {
  margin-top: 44px;
}

.data-table {
  margin-top: 20px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.table-caption {
  padding: 14px 18px;
  text-align: left;
  font-size: 14px;
  color: var(--ink-soft);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.data-table th,
.data-table td {
  padding: 14px 18px;
  text-align: left;
  font-size: 15px;
  line-height: 1.7;
  border-bottom: 1px solid var(--line);
}

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

.data-table tbody td {
  color: var(--ink-soft);
}

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

.reading-settings {
  margin-top: 44px;
}

.settings-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 400px);
  gap: 28px;
  align-items: start;
  margin-top: 20px;
}

.settings-intro-title {
  font-size: 17px;
  margin-bottom: 12px;
}

.settings-intro p {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

.settings-intro p + p {
  margin-top: 12px;
}

.settings-panel {
  padding: 20px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.switch-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.switch-row .switch-label {
  grid-column: 1;
  grid-row: 1;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.switch-control {
  grid-column: 2;
  grid-row: 1 / span 2;
  position: relative;
  width: 48px;
  height: 28px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--paper);
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.switch-control::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--line-strong);
  transition: transform 0.18s ease;
}

.switch-control[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
}

.switch-control[aria-pressed="true"]::after {
  transform: translateX(20px);
  border-color: var(--accent);
}

.switch-hint {
  grid-column: 1;
  grid-row: 2;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.6;
}

.theme-checkbox-group {
  margin: 18px 0 0;
  padding: 0;
  border: 0;
}

.checkbox-legend {
  padding: 0;
  margin-bottom: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.checkbox-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--paper);
  font-size: 14px;
  color: var(--ink);
}

.checkbox-item input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.starter-path {
  margin-top: 44px;
}

.path-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.path-step {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  padding: 20px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.path-step .step-index {
  margin-bottom: 4px;
}

.path-step .inline-link {
  margin-top: 6px;
  font-size: 14px;
}

.entry-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.entry-item {
  padding: 16px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.entry-link {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.entry-link:hover {
  color: var(--accent);
}

.entry-text {
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.65;
}

/* ==========================================================================
   pages — 内页：常见问题
   ========================================================================== */

.faq-group {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.faq-group:first-of-type {
  margin-top: 28px;
  padding-top: 0;
  border-top: 0;
}

.faq-figure {
  margin-top: 18px;
  border: 1px solid var(--line);
}

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

.faq-figure-caption {
  padding: 0 2px;
}

.faq-uncovered {
  margin-top: 44px;
  padding: 26px 24px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.faq-uncovered-text {
  margin-top: 12px;
  max-width: 760px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

.faq-uncovered-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.faq-uncovered-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--paper);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.faq-uncovered-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

/* ==========================================================================
   pages — 内页：内容说明
   ========================================================================== */

.asset-usage {
  margin-top: 28px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.asset-usage-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 400px);
  gap: 28px;
  align-items: start;
  margin-top: 20px;
}

.asset-usage-text p {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

.asset-usage-text p + p {
  margin-top: 12px;
}

.asset-usage-figure {
  border: 1px solid var(--line);
}

.asset-usage-figure img {
  aspect-ratio: 4 / 3;
}

.correction-flow {
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.feedback-path {
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.feedback-box {
  margin-top: 18px;
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.feedback-box p {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

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

.feedback-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.boundary-list {
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.boundary-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.boundary-item {
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.boundary-name {
  font-size: 16px;
}

.boundary-desc {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

/* ==========================================================================
   pages — 404
   ========================================================================== */

.error-main {
  padding-top: 48px;
  padding-bottom: 64px;
}

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

.error-code {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
}

.error-title {
  margin-top: 8px;
  font-size: 32px;
  line-height: 1.35;
}

.error-text {
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.75;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.error-links {
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.error-links-title {
  position: relative;
  font-size: 22px;
  font-weight: 600;
  padding-left: 14px;
}

.error-links-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: var(--accent);
  border-radius: 2px;
}

.error-link-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.error-link-list a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.error-link-list a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ==========================================================================
   responsive — 1024px 以下
   ========================================================================== */

@media (max-width: 1024px) {
  .overview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .week-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .category-overview,
  .update-intro,
  .criteria-layout,
  .method-layout,
  .settings-layout,
  .asset-usage-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .overview-media,
  .criteria-media,
  .method-figure,
  .asset-usage-figure {
    max-width: 520px;
  }

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

/* ==========================================================================
   responsive — 768px 以下
   ========================================================================== */

@media (max-width: 768px) {
  .header-inner {
    padding: 0 16px;
    gap: 12px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    flex: 1 1 100%;
    order: 3;
    justify-content: flex-start;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0;
    padding: 8px 0 12px;
    border-top: 1px solid var(--line);
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-item {
    width: 100%;
  }

  .nav-item a {
    min-height: 48px;
    padding: 0 4px;
    border-bottom: 1px solid var(--line);
    border-left: 2px solid transparent;
  }

  .nav-item.is-current a,
  .nav-item a.is-current {
    border-bottom-color: var(--line);
    border-left-color: var(--accent);
    padding-left: 10px;
  }

  .site-main {
    padding: 20px 16px 44px;
  }

  .page-title,
  .hero-text h1,
  .error-title {
    font-size: 24px;
  }

  .section-title,
  .section-heading,
  .error-links-title {
    font-size: 20px;
  }

  .hero-visual {
    aspect-ratio: 16 / 9;
  }

  .hero-toolbar-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }

  .theme-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }

  .instant-filters {
    flex-direction: column;
    gap: 4px;
  }

  .overview-grid,
  .cover-grid-six,
  .notes-grid,
  .similar-grid,
  .week-grid,
  .branch-list,
  .theme-entry-list,
  .related-entry-list,
  .related-grid,
  .related-list,
  .entry-list,
  .boundary-items,
  .error-link-list,
  .feedback-links {
    grid-template-columns: minmax(0, 1fr);
  }

  .step-list,
  .method-steps,
  .path-steps,
  .checkbox-list {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .status-name {
    padding-bottom: 8px;
  }

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

  .status-legend .status-table thead {
    display: none;
  }

  .status-legend .status-table tbody th {
    width: 100%;
    border-bottom: 0;
  }

  .ranking-item {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px;
    padding: 16px 14px;
  }

  .ranking-index {
    font-size: 16px;
    min-height: 36px;
  }

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

  .data-table thead {
    display: none;
  }

  .data-table tbody tr {
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
  }

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

  .data-table tbody td {
    border-bottom: 0;
    padding: 4px 18px;
  }

  .data-table tbody td:first-child {
    font-weight: 600;
    color: var(--ink);
  }

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

  .footer-inner {
    padding: 28px 16px 20px;
    gap: 24px;
  }

  .footer-nav {
    gap: 20px;
  }

  .footer-col {
    flex: 1 1 100%;
    min-width: 0;
  }

  .footer-bottom {
    padding: 14px 16px 24px;
  }

  .faq-question {
    padding: 14px 42px 14px 16px;
    font-size: 15px;
  }

  .faq-answer {
    padding: 12px 16px 16px;
  }
}

/* ==========================================================================
   responsive — 480px 以下
   ========================================================================== */

@media (max-width: 480px) {
  .brand {
    font-size: 16px;
  }

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

  .notes-entry,
  .faq-uncovered,
  .feedback-box {
    padding: 20px 16px;
  }

  .overview-col,
  .theme-entry,
  .branch-item,
  .boundary-item,
  .link-block,
  .related-entry,
  .related-item,
  .entry-item {
    padding: 16px 14px;
  }
}

/* ==========================================================================
   motion — 尊重系统偏好
   ========================================================================== */

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

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