/* ==========================================================================
   age动漫 · 全站样式表
   结构：base / layout / components / pages / responsive
   ========================================================================== */

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

:root {
  --c-ink: #23262b;
  --c-ink-soft: #5f6570;
  --c-primary: #2b3a67;
  --c-primary-soft: #e7eaf3;
  --c-accent: #3f8f8a;
  --c-accent-soft: #e3f1ef;
  --c-warm: #e0763a;
  --c-warm-soft: #fbeade;
  --c-paper: #f7f7f5;
  --c-surface: #ffffff;
  --c-line: #e2e3e0;
  --c-line-strong: #cfd1cc;
  --radius: 8px;
  --radius-sm: 4px;
  --shadow-card: 0 1px 2px rgba(35, 38, 43, 0.06);
  --shadow-hover: 0 6px 16px rgba(35, 38, 43, 0.1);
  --wrap: 1180px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
}

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

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

body {
  margin: 0;
  background-color: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 0;
}

figure {
  margin: 0;
}

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

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

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--c-primary);
  font-weight: 600;
  line-height: 1.4;
}

p {
  margin: 0;
}

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

dl,
dd,
dt {
  margin: 0;
}

button {
  font-family: inherit;
}

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

/* --------------------------------------------------------------------------
   layout · 骨架
   -------------------------------------------------------------------------- */

.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--font-sans);
}

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

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 14px 24px;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  color: var(--c-primary);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0;
}

.brand::after {
  content: "漫画条目索引";
  color: var(--c-ink-soft);
  font-size: 12px;
  font-weight: 400;
}

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

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle::before {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background-color: var(--c-primary);
  box-shadow: 0 -6px 0 var(--c-primary), 0 6px 0 var(--c-primary);
}

.site-nav {
  margin-left: auto;
}

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

.nav-list li {
  display: block;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  color: var(--c-ink);
  font-size: 15px;
}

.nav-list a:hover {
  background-color: var(--c-primary-soft);
  color: var(--c-primary);
}

.nav-list a.is-current {
  background-color: var(--c-primary);
  color: #fff;
}

.site-main {
  flex: 1 0 auto;
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px 56px;
}

.inner-main {
  padding-top: 22px;
}

/* 面包屑 */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--c-ink-soft);
  font-size: 14px;
}

.breadcrumb a {
  color: var(--c-ink-soft);
  border-bottom: 1px solid transparent;
}

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

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

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

/* 内页标题区 */

.page-header {
  padding-bottom: 20px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--c-line);
}

.page-title {
  font-size: 30px;
  font-weight: 600;
  color: var(--c-primary);
}

.page-description {
  max-width: 860px;
  margin-top: 10px;
  color: var(--c-ink-soft);
  font-size: 15px;
}

/* 通用区块 */

.section {
  margin-bottom: 44px;
}

.section-title,
.section > h2,
.split-main > h2,
.split-aside > h2,
.ranking-list-section h2,
.updates-list-section h2 {
  font-size: 21px;
  font-weight: 600;
}

.section-lead,
.section-intro,
.section-note {
  max-width: 900px;
  margin-top: 8px;
  color: var(--c-ink-soft);
  font-size: 15px;
}

.section-lead a {
  border-bottom: 1px solid var(--c-line-strong);
}

.section-lead a:hover {
  border-bottom-color: var(--c-accent);
}

/* 两栏页面布局：主内容在前，aside 在后 */

.page-layout {
  display: grid;
  gap: 32px;
  align-items: start;
}

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

.layout-shell {
  grid-template-columns: minmax(0, 1fr) 292px;
}

.sidebar-left .page-layout,
.page-layout.sidebar-left {
  grid-template-columns: 232px minmax(0, 1fr);
}

/* --------------------------------------------------------------------------
   components · 页头外的通用组件
   -------------------------------------------------------------------------- */

/* 题材标签 */

.tag {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1.7;
  white-space: nowrap;
}

.tag-theme,
.tag-genre {
  background-color: var(--c-accent-soft);
  color: #2f6f6a;
}

.tag-status {
  background-color: var(--c-warm-soft);
  color: #b1541e;
}

/* 封面条目卡（首页） */

.cover-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.cover-card {
  display: flex;
  flex-direction: column;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.cover-card:hover {
  transform: translateY(-3px);
  border-color: var(--c-accent);
  box-shadow: var(--shadow-hover);
}

.cover-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background-color: var(--c-primary-soft);
}

.cover-card h3 {
  padding: 10px 12px 0;
  font-size: 15px;
  line-height: 1.5;
}

.cover-card h3 a {
  color: var(--c-primary);
}

.cover-card h3 a:hover {
  color: var(--c-accent);
}

.cover-tag {
  padding: 6px 12px 12px;
  color: var(--c-ink-soft);
  font-size: 12px;
}

/* 更新记录（首页侧栏 / 更新页） */

.update-group {
  margin-top: 18px;
}

.update-date {
  display: inline-block;
  padding-left: 9px;
  border-left: 3px solid var(--c-warm);
  color: var(--c-primary);
  font-size: 15px;
  font-weight: 600;
}

.update-list,
.update-rows {
  margin-top: 10px;
  border-top: 1px solid var(--c-line);
}

.update-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 14px;
}

.update-name {
  color: var(--c-ink);
  font-weight: 500;
}

.update-tag {
  color: var(--c-ink-soft);
  font-size: 12px;
}

.update-batch {
  margin-left: auto;
  color: var(--c-warm);
  font-family: var(--font-mono);
  font-size: 12px;
}

.update-thumb {
  flex: 0 0 auto;
  width: 42px;
  height: 56px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--c-primary-soft);
}

.update-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.update-info {
  flex: 1 1 180px;
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 10px;
}

.update-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

/* 人气位次（首页侧栏列表） */

.rank-list {
  margin-top: 18px;
  border-top: 1px solid var(--c-line);
}

.rank-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 14px;
}

.rank-no {
  flex: 0 0 26px;
  color: var(--c-warm);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
}

.rank-name {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--c-ink);
  font-weight: 500;
}

.rank-tag {
  flex: 0 0 auto;
  color: var(--c-ink-soft);
  font-size: 12px;
}

/* 字段摘要（首页侧栏） */

.field-brief {
  margin-top: 18px;
}

.field-brief dt {
  color: var(--c-primary);
  font-size: 14px;
  font-weight: 600;
}

.field-brief dd {
  margin-bottom: 12px;
  color: var(--c-ink-soft);
  font-size: 14px;
}

/* 步骤条（首页 / 查阅指引） */

.step-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
  margin-top: 20px;
}

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

.step-no,
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin-bottom: 10px;
  background-color: var(--c-primary);
  border-radius: 50%;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 14px;
}

.steps-block .step-item h3,
.guide-steps .step-title {
  font-size: 17px;
}

.steps-block .step-item p,
.guide-steps .step-action,
.guide-steps .step-result {
  margin-top: 6px;
  color: var(--c-ink-soft);
  font-size: 14px;
}

.guide-steps .step-result {
  color: var(--c-accent);
}

.steps-feedback {
  margin-top: 18px;
  color: var(--c-ink-soft);
  font-size: 14px;
}

/* 站内栏目索引 */

.index-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.index-item {
  padding: 18px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.index-item:hover {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-hover);
}

.index-item h3 {
  font-size: 16px;
}

.index-item p {
  margin-top: 6px;
  color: var(--c-ink-soft);
  font-size: 13px;
}

/* 侧栏通用块 */

.aside-block {
  padding: 18px;
  margin-bottom: 18px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.aside-block h2,
.aside-block h3 {
  font-size: 16px;
}

.aside-block p {
  margin-top: 8px;
  color: var(--c-ink-soft);
  font-size: 14px;
}

.aside-more {
  display: inline-block;
  margin-top: 16px;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--c-line-strong);
  font-size: 14px;
}

.aside-more:hover {
  border-bottom-color: var(--c-accent);
}

.aside-links {
  margin-top: 12px;
  border-top: 1px solid var(--c-line);
}

.aside-links li {
  padding: 8px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 14px;
}

/* 建议列表（题材分类页） */

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

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

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

.advice-item p {
  margin-top: 8px;
  color: var(--c-ink-soft);
  font-size: 14px;
}

.advice-note {
  margin-top: 18px;
  color: var(--c-ink-soft);
  font-size: 14px;
}

.advice-note a {
  margin-right: 16px;
  border-bottom: 1px solid var(--c-line-strong);
}

.advice-note a:hover {
  border-bottom-color: var(--c-accent);
}

/* FAQ 折叠 */

.faq-item {
  margin-top: 12px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.faq-item summary {
  position: relative;
  padding: 14px 44px 14px 18px;
  color: var(--c-primary);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 18px;
  width: 9px;
  height: 9px;
  margin-top: -6px;
  border-right: 2px solid var(--c-accent);
  border-bottom: 2px solid var(--c-accent);
  transform: rotate(45deg);
  transition: transform 0.18s ease;
}

.faq-item[open] summary::after {
  transform: rotate(-135deg);
}

.faq-item p {
  padding: 0 18px 16px;
  color: var(--c-ink-soft);
  font-size: 15px;
}

/* 页脚 */

.site-footer {
  margin-top: auto;
  background-color: var(--c-primary);
  color: #d7dceb;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(240px, 1.5fr) repeat(3, minmax(150px, 1fr));
  gap: 26px;
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 40px 24px 26px;
}

.footer-name {
  color: #fff;
  font-size: 19px;
  font-weight: 600;
}

.footer-desc {
  margin-top: 10px;
  max-width: 340px;
  color: #b9c1d8;
  font-size: 14px;
}

.footer-group {
  min-width: 0;
}

.footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
}

.footer-group ul {
  margin-top: 12px;
}

.footer-group li {
  margin-bottom: 8px;
}

.footer-group a {
  color: #c3cbe1;
  font-size: 14px;
}

.footer-group a:hover {
  color: #fff;
}

.footer-copy {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 16px 24px 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: #a7b0cc;
  font-size: 13px;
}

/* 滚动出现（增强，不影响初始可见） */

.reveal {
  opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal.is-visible {
    animation: fade-up 0.5s ease both;
  }
}

@keyframes fade-up {
  from {
    transform: translateY(10px);
  }

  to {
    transform: none;
  }
}

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

.fact-bar {
  width: 100%;
  margin: 0;
  padding: 9px 24px;
  background-color: var(--c-primary-soft);
  color: var(--c-primary);
  font-size: 13px;
  text-align: center;
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 32px;
  align-items: start;
  margin-bottom: 46px;
}

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

.hero-title {
  font-size: 32px;
  line-height: 1.35;
}

.hero-lead {
  max-width: 560px;
  margin-top: 14px;
  color: var(--c-ink-soft);
  font-size: 16px;
}

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

.hero-paths a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 20px;
  background-color: var(--c-primary);
  border: 1px solid var(--c-primary);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 15px;
}

.hero-paths li:nth-child(2) a {
  background-color: var(--c-surface);
  color: var(--c-primary);
}

.hero-paths li:nth-child(3) a {
  background-color: var(--c-surface);
  color: var(--c-primary);
}

.hero-paths a:hover {
  background-color: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
}

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

.hero-visual img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 11;
  object-fit: cover;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background-color: var(--c-primary-soft);
}

.hero-visual figcaption {
  margin-top: 10px;
  color: var(--c-ink-soft);
  font-size: 13px;
}

.hero-tags {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.hero-tags a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line-strong);
  border-radius: 999px;
  color: var(--c-ink-soft);
  font-size: 13px;
}

.hero-tags a:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

/* 题材方向总览（首页） */

.directions .direction-grid {
  margin-top: 20px;
}

.direction-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
}

.direction-card {
  display: flex;
  flex-direction: column;
  padding: 20px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-accent);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.direction-card:hover {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-hover);
}

.direction-card h3 {
  font-size: 18px;
}

.direction-scope {
  margin-top: 10px;
  color: var(--c-ink-soft);
  font-size: 14px;
}

.direction-pick {
  margin-top: 12px;
  font-size: 14px;
}

.direction-pick a {
  border-bottom: 1px solid var(--c-line-strong);
}

.direction-pick a:hover {
  border-bottom-color: var(--c-accent);
}

.direction-more {
  margin-top: auto;
  padding-top: 14px;
  font-size: 14px;
  color: var(--c-accent);
}

/* 并列区：封面条目 + 更新记录 / 位次 + 字段摘要 */

.split-block {
  display: grid;
  grid-template-columns: minmax(0, 1.9fr) minmax(260px, 1fr);
  gap: 30px;
  align-items: start;
}

.split-main,
.split-aside {
  min-width: 0;
}

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

/* --------------------------------------------------------------------------
   pages · 题材分类
   -------------------------------------------------------------------------- */

.section-directions .direction-grid {
  margin-top: 20px;
}

.direction-media {
  margin: -20px -20px 14px;
  border-radius: var(--radius) var(--radius) 0 0;
  overflow: hidden;
  background-color: var(--c-primary-soft);
}

.direction-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.direction-name {
  font-size: 18px;
}

.direction-facts {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--c-line-strong);
  font-size: 14px;
}

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

.direction-facts dd {
  margin-bottom: 10px;
}

.sample-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.entry-card {
  display: flex;
  flex-direction: column;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.entry-card:hover {
  transform: translateY(-3px);
  border-color: var(--c-accent);
  box-shadow: var(--shadow-hover);
}

.entry-media {
  background-color: var(--c-primary-soft);
}

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

.entry-name {
  padding: 10px 12px 0;
  font-size: 15px;
}

.entry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 12px 12px;
}

/* --------------------------------------------------------------------------
   pages · 最近更新
   -------------------------------------------------------------------------- */

.updates-list-section h2 {
  font-size: 21px;
}

.updates-aside .aside-block h2 {
  font-size: 16px;
}

/* --------------------------------------------------------------------------
   pages · 人气位次
   -------------------------------------------------------------------------- */

.ranking-list-section .section-head {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--c-line);
}

.ranking-list {
  margin-top: 8px;
  border-top: 1px solid var(--c-line);
}

.ranking-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--c-line);
}

.rank-index {
  flex: 0 0 34px;
  color: var(--c-warm);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
}

.rank-cover {
  flex: 0 0 auto;
  width: 62px;
  height: 82px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--c-primary-soft);
}

.rank-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.rank-body {
  flex: 1 1 auto;
  min-width: 220px;
}

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

.rank-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.rank-summary {
  margin-top: 8px;
  color: var(--c-ink-soft);
  font-size: 14px;
}

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

.ranking-aside > h2 {
  font-size: 18px;
}

.ranking-aside .aside-block {
  padding: 16px 0 0;
  margin: 18px 0 0;
  border: 0;
  border-top: 1px solid var(--c-line);
  border-radius: 0;
}

/* --------------------------------------------------------------------------
   pages · 查阅指引
   -------------------------------------------------------------------------- */

.guide-toc {
  padding: 18px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

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

.toc-list {
  margin-top: 12px;
  border-top: 1px solid var(--c-line);
}

.toc-list li {
  border-bottom: 1px solid var(--c-line);
}

.toc-list a {
  display: block;
  padding: 9px 0;
  font-size: 14px;
}

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

.guide-fields,
.guide-steps,
.guide-faq {
  margin-bottom: 40px;
}

.field-figure {
  margin: 18px 0 22px;
}

.field-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background-color: var(--c-primary-soft);
}

.field-figure figcaption {
  margin-top: 10px;
  color: var(--c-ink-soft);
  font-size: 13px;
}

.field-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--c-line);
}

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

.field-meaning {
  margin-top: 8px;
  color: var(--c-ink);
  font-size: 15px;
}

.field-where {
  margin-top: 8px;
  color: var(--c-ink-soft);
  font-size: 14px;
}

.field-label {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 8px;
  background-color: var(--c-primary-soft);
  border-radius: var(--radius-sm);
  color: var(--c-primary);
  font-size: 12px;
}

.guide-back {
  margin-top: 20px;
  color: var(--c-ink-soft);
  font-size: 14px;
}

.guide-back a {
  margin-right: 16px;
  border-bottom: 1px solid var(--c-line-strong);
}

.guide-back a:hover {
  border-bottom-color: var(--c-accent);
}

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

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 60px;
  padding-bottom: 80px;
}

.error-panel {
  width: 100%;
  max-width: 620px;
  padding: 40px 32px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  text-align: left;
}

.error-code {
  color: var(--c-warm);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
}

.error-panel h1 {
  margin-top: 10px;
  font-size: 28px;
}

.error-text {
  margin-top: 12px;
  color: var(--c-ink-soft);
  font-size: 15px;
}

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

.error-btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--radius-sm);
  color: var(--c-primary);
  font-size: 15px;
}

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

.error-link {
  color: var(--c-accent);
}

/* --------------------------------------------------------------------------
   responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

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

  .page-layout,
  .layout-main-aside,
  .layout-shell,
  .page-layout.sidebar-left,
  .sidebar-left .page-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }

  .guide-toc {
    position: static;
  }

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

@media (max-width: 760px) {
  .header-inner {
    padding: 12px 16px;
    gap: 10px;
  }

  .brand {
    font-size: 19px;
  }

  .brand::after {
    display: none;
  }

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

  .site-nav {
    flex: 1 0 100%;
    margin-left: 0;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 8px 0 4px;
    border-top: 1px solid var(--c-line);
  }

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

  .nav-list a {
    justify-content: flex-start;
    padding: 0 12px;
  }

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

  .fact-bar {
    padding: 9px 16px;
    font-size: 12px;
  }

  .home-main {
    padding-top: 22px;
  }

  .hero-title {
    font-size: 25px;
  }

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

  .section-title,
  .section > h2,
  .split-main > h2,
  .split-aside > h2,
  .ranking-list-section h2,
  .updates-list-section h2 {
    font-size: 19px;
  }

  .cover-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 14px;
  }

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

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

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

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

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

  .split-aside,
  .ranking-aside,
  .aside-block {
    padding: 16px;
  }

  .ranking-item {
    gap: 12px;
  }

  .rank-index {
    flex-basis: 26px;
    font-size: 16px;
  }

  .rank-cover {
    width: 54px;
    height: 72px;
  }

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

  .update-info {
    flex-basis: 140px;
  }

  .update-meta {
    margin-left: 0;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    padding: 30px 16px 20px;
    gap: 0;
  }

  .footer-brand {
    margin-bottom: 18px;
  }

  .footer-group {
    border-top: 1px solid rgba(255, 255, 255, 0.14);
  }

  .footer-title {
    position: relative;
    padding: 14px 26px 14px 0;
    cursor: pointer;
  }

  .footer-title::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 4px;
    width: 8px;
    height: 8px;
    margin-top: -6px;
    border-right: 2px solid #c3cbe1;
    border-bottom: 2px solid #c3cbe1;
    transform: rotate(45deg);
    transition: transform 0.18s ease;
  }

  .footer-group.is-open .footer-title::after {
    transform: rotate(-135deg);
  }

  .footer-group ul {
    display: none;
    margin-top: 0;
    padding-bottom: 12px;
  }

  .footer-group.is-open ul {
    display: block;
  }

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

  .error-panel {
    padding: 28px 20px;
  }
}

@media (min-width: 761px) {
  .footer-group ul {
    display: block;
  }
}