/* ==========================================================================
   哔咔漫画 · 全站样式
   报纸编辑风：纸白底、墨黑字、细分隔线、单一报刊红强调色
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. base —— 变量、重置、排版基础
   -------------------------------------------------------------------------- */

:root {
  --ink: #111111;
  --ink-soft: #4a4a4a;
  --ink-meta: #8a8a8a;
  --rule: #d8d4cd;
  --paper: #f7f5f1;
  --paper-deep: #ffffff;
  --accent: #a3232a;

  --serif: "Noto Serif SC", "Songti SC", SimSun, serif;
  --sans: system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --shell: 1120px;
  --gap: 32px;
  --gap-sm: 20px;
}

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

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

body {
  margin: 0;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

p {
  margin: 0 0 0.9em;
}

p:last-child {
  margin-bottom: 0;
}

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

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

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

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

figure {
  margin: 0;
}

figcaption {
  color: var(--ink-meta);
  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;
}

/* --------------------------------------------------------------------------
   2. layout —— 全站骨架：body / header / nav / main / footer
   -------------------------------------------------------------------------- */

.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
}

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

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

/* 页头：品牌 + 主导航 + 更新提要条 */
.site-header {
  width: 100%;
  background-color: var(--paper);
  border-bottom: 1px solid var(--rule);
}

.header-top {
  position: relative;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 18px 24px 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 28px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: var(--ink);
  text-decoration: none;
}

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

.brand-name {
  font-family: var(--serif);
  font-size: 27px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink);
}

.brand-slogan {
  color: var(--ink-meta);
  font-size: 12.5px;
  line-height: 1.4;
}

.site-nav {
  flex: 1 1 auto;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 22px;
}

.nav-item {
  display: block;
}

.nav-item > a {
  display: inline-block;
  padding: 6px 0;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
  border-bottom: 2px solid transparent;
}

.nav-item > a:hover,
.nav-item > a:focus-visible {
  color: var(--accent);
  text-decoration: none;
}

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

/* 汉堡按钮：桌面隐藏 */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px 9px;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 4px;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  margin: 4px 0;
  background-color: var(--ink);
}

/* 移动端导航：默认收起，由 .is-open 展开 */
.mobile-nav {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px 14px;
  border-top: 1px solid var(--rule);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
}

.mobile-nav-item {
  border-bottom: 1px solid var(--rule);
}

.mobile-nav-item > a {
  display: block;
  padding: 12px 2px;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
}

.mobile-nav-item > a:hover,
.mobile-nav-item > a:focus-visible {
  color: var(--accent);
  text-decoration: none;
}

.mobile-nav-item.is-current > a {
  color: var(--accent);
}

.mobile-sub-list {
  padding: 0 0 10px 14px;
  border-left: 2px solid var(--rule);
  margin: 0 0 10px 2px;
}

.mobile-sub-list li > a {
  display: block;
  padding: 7px 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.5;
}

.mobile-sub-list li > a:hover,
.mobile-sub-list li > a:focus-visible {
  color: var(--accent);
  text-decoration: none;
}

/* 当日更新提要条 */
.header-brief {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 9px 24px 11px;
  border-top: 1px solid var(--rule);
}

.brief-text {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.6;
}

/* 页脚 */
.site-footer {
  width: 100%;
  margin-top: auto;
  background-color: var(--paper);
  border-top: 2px solid var(--ink);
  color: var(--ink);
}

.footer-nav {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 34px 24px 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

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

.footer-title {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

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

.footer-list li > a {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.5;
}

.footer-list li > a:hover,
.footer-list li > a:focus-visible {
  color: var(--accent);
}

.footer-brief {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 18px 24px;
  border-top: 1px solid var(--rule);
}

.footer-brand {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 700;
}

.footer-desc {
  margin: 0 0 8px;
  max-width: 760px;
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.7;
}

.footer-copyright {
  margin: 0;
  color: var(--ink-meta);
  font-size: 12.5px;
  line-height: 1.6;
}

.footer-bottom {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 14px 24px 26px;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
}

.footer-logo {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.footer-bottom-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}

.footer-bottom-list li > a {
  color: var(--ink-meta);
  font-size: 13px;
  line-height: 1.5;
}

.footer-bottom-list li > a:hover,
.footer-bottom-list li > a:focus-visible {
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   3. components —— 通用模块：区块标题、面包屑、页标题、列表、问答、入口条
   -------------------------------------------------------------------------- */

/* 首页区块标题组 */
.section-head {
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
}

.section-head h2 {
  margin: 0 0 6px;
  font-size: 21px;
}

.section-note {
  margin: 0;
  color: var(--ink-meta);
  font-size: 13.5px;
  line-height: 1.6;
}

/* 内页区块标题 */
.section-title {
  margin: 0 0 14px;
  padding-bottom: 9px;
  font-size: 21px;
  border-bottom: 1px solid var(--rule);
}

.section-lead,
.section-intro {
  margin: 0 0 20px;
  max-width: 780px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

.subsection-title {
  margin: 0 0 10px;
  font-size: 17px;
}

/* 面包屑 */
.breadcrumb {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 14px 24px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  color: var(--ink-meta);
  font-size: 13.5px;
  line-height: 1.5;
}

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

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

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

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

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

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

/* 内页页面标题区 */
.page-header {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 16px 24px 26px;
  border-bottom: 1px solid var(--rule);
}

.page-title {
  margin: 0 0 10px;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

.page-description {
  margin: 0 0 8px;
  max-width: 860px;
  color: var(--ink-soft);
  font-size: 15.5px;
  line-height: 1.75;
}

.page-meta {
  margin: 0;
  color: var(--ink-meta);
  font-size: 13px;
  line-height: 1.6;
}

.meta-label {
  color: var(--ink-meta);
}

/* 内页正文配图 */
.content-media {
  margin: 16px 0 18px;
}

.content-media img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--rule);
  border-radius: 4px;
}

.content-media figcaption {
  margin-top: 8px;
}

.content-media-inline img {
  aspect-ratio: 16 / 7;
}

/* 相关入口条 */
.related-entry {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 24px 24px 0;
  border-top: 1px solid var(--rule);
}

.related-title {
  margin: 0 0 12px;
  font-size: 17px;
}

.related-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.related-list li > a {
  font-size: 15px;
  line-height: 1.5;
}

.related-item > a {
  font-size: 15px;
}

/* 折叠问答 */
.faq-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule);
}

.faq-item {
  border-bottom: 1px solid var(--rule);
}

.faq-question {
  padding: 15px 30px 15px 0;
  font-family: var(--serif);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  position: relative;
}

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

.faq-question::after {
  content: "＋";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 15px;
}

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

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

.faq-answer {
  margin: 0;
  padding: 0 0 16px;
  max-width: 820px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

/* 步骤列表（阅读说明 / 版权纠错共用结构，分作用域） */
.step-list {
  display: flex;
  flex-direction: column;
}

.step-timeline .step-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.step-timeline .step-item {
  padding: 20px 22px 22px;
  border-right: 1px solid var(--rule);
}

.step-timeline .step-item:last-child {
  border-right: 0;
}

.step-index {
  display: block;
  margin-bottom: 8px;
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

.step-name {
  margin: 0 0 8px;
  font-size: 17px;
}

.step-desc {
  margin: 0 0 10px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

.step-link {
  font-size: 14.5px;
}

.correction-steps .step-list {
  border-top: 1px solid var(--rule);
}

.correction-steps .step-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 16px;
}

.correction-steps .step-index {
  grid-row: 1 / span 2;
  margin: 0;
  font-size: 24px;
  line-height: 1.4;
}

.correction-steps .step-name {
  grid-column: 2;
  margin: 0 0 6px;
}

.correction-steps .step-desc {
  grid-column: 2;
  margin: 0;
}

/* 条目式清单（更新判定标准 / 题材标签判定） */
.criteria-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.criteria-item {
  padding-left: 16px;
  border-left: 2px solid var(--rule);
}

.criteria-name {
  margin: 0 0 5px;
  font-size: 16px;
}

.criteria-desc {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.7;
}

/* 要点列表 */
.note-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.note-item {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
  padding-left: 16px;
  border-left: 2px solid var(--rule);
}

.note-title {
  margin: 0 0 6px;
  font-size: 16.5px;
  color: var(--ink);
}

.note-desc {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

/* --------------------------------------------------------------------------
   4. pages —— 首页
   -------------------------------------------------------------------------- */

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

/* 报头主视觉 */
.hero {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 26px 24px 0;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 34px;
  align-items: start;
}

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

.hero-kicker {
  margin: 0 0 10px;
  color: var(--accent);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
}

.hero-text h1 {
  margin: 0 0 14px;
  font-size: 34px;
  line-height: 1.28;
}

.hero-lead {
  margin: 0 0 18px;
  max-width: 560px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.8;
}

.hero-entries {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}

.hero-entries li {
  display: block;
}

.entry-link {
  display: inline-block;
  padding: 6px 0;
  font-size: 15.5px;
  border-bottom: 1px solid var(--accent);
}

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

.hero-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid var(--rule);
  border-radius: 4px;
}

.hero-figure figcaption {
  margin-top: 9px;
}

.rule-line {
  margin: 22px 0 0;
  border: 0;
  border-top: 1px solid var(--rule);
}

/* 更新速览条 */
.update-strip {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 34px 24px 0;
}

.update-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule);
}

.update-row {
  display: grid;
  grid-template-columns: 96px 104px minmax(0, 1fr) 104px auto;
  align-items: baseline;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--rule);
}

.update-date {
  color: var(--ink-meta);
  font-family: var(--mono);
  font-size: 13.5px;
}

.update-genre {
  color: var(--accent);
  font-size: 13.5px;
}

.update-title {
  color: var(--ink);
  font-size: 15.5px;
  line-height: 1.6;
}

.update-chapter {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 13.5px;
}

.update-link {
  font-size: 13.5px;
  white-space: nowrap;
}

.strip-more,
.index-more,
.ranking-more {
  margin: 16px 0 0;
  font-size: 14.5px;
}

/* 题材分类索引 */
.genre-index {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 34px 24px 0;
}

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

.genre-column {
  min-width: 0;
  padding: 4px 22px;
  border-left: 1px solid var(--rule);
}

.genre-column:first-child {
  border-left: 0;
  padding-left: 0;
}

.genre-column:last-child {
  padding-right: 0;
}

.genre-group-title {
  margin: 0 0 12px;
  font-size: 17px;
}

.genre-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.genre-list li > a {
  font-size: 15px;
  line-height: 1.5;
}

/* 站内编排榜 */
.ranking-list {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 34px 24px 0;
}

.ranking-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 40px;
}

.ranking-items {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.ranking-item {
  display: grid;
  grid-template-columns: 40px 74px minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--rule);
}

.ranking-no {
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
}

.ranking-genre {
  color: var(--ink-soft);
  font-size: 13.5px;
}

.ranking-reason {
  color: var(--ink);
  font-size: 15px;
  line-height: 1.6;
}

.ranking-item:hover .ranking-reason {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 专题导读 */
.featured-guide {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 34px 24px 0;
}

.feature-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 30px;
  align-items: start;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
}

.feature-block:last-child {
  border-bottom: 0;
}

.feature-figure {
  min-width: 0;
}

.feature-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--rule);
  border-radius: 4px;
}

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

.feature-text h3 {
  margin: 0 0 10px;
  font-size: 19px;
}

.feature-text p {
  margin: 0 0 12px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

.feature-points {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0 0 14px;
}

.feature-points li {
  padding-left: 15px;
  border-left: 2px solid var(--rule);
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.7;
}

.feature-link {
  font-size: 14.5px;
}

/* 阅读说明摘要 */
.reading-summary {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 34px 24px 0;
}

.stage-blocks {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.stage-block {
  min-width: 0;
  padding: 20px 22px 22px;
  border-right: 1px solid var(--rule);
}

.stage-block:last-child {
  border-right: 0;
}

.stage-no {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

.stage-name {
  margin: 0 0 8px;
  font-size: 17px;
}

.stage-desc {
  margin: 0 0 10px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

.stage-link {
  font-size: 14.5px;
}

/* 首页常见问题 */
.faq {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 34px 24px 0;
}

/* 首页栏目导航条 */
.column-nav {
  max-width: var(--shell);
  margin: 34px auto 0;
  padding: 18px 24px;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}

.column-nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.column-nav-list li > a {
  color: var(--ink);
  font-size: 15px;
}

.column-nav-list li > a:hover,
.column-nav-list li > a:focus-visible {
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   5. pages —— 题材分类
   -------------------------------------------------------------------------- */

.genre-index-strip {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 22px 24px 0;
}

.genre-index-strip .section-title {
  font-size: 17px;
  border-bottom: 0;
  padding-bottom: 0;
  margin-bottom: 10px;
}

.strip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding: 12px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.strip-item > a {
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.5;
}

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

/* 主内容 + 侧栏 */
.page-layout {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 30px 24px 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 288px;
  gap: 40px;
  align-items: start;
}

.sidebar-left .page-layout {
  grid-template-columns: 288px minmax(0, 1fr);
}

.sidebar-left .page-layout .content-main,
.sidebar-left .page-layout .genre-sections {
  order: 2;
}

.sidebar-left .page-layout .content-aside,
.sidebar-left .page-layout .genre-aside {
  order: 1;
}

.layout-shell {
  padding-top: 30px;
}

.genre-sections {
  min-width: 0;
}

.genre-section {
  display: grid;
  grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  gap: 26px;
  align-items: start;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
}

.genre-section:first-of-type {
  border-top: 1px solid var(--rule);
}

.genre-figure {
  min-width: 0;
}

.genre-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--rule);
  border-radius: 4px;
}

.genre-caption {
  margin-top: 8px;
}

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

.genre-name {
  margin: 0 0 10px;
  font-size: 19px;
}

.genre-desc {
  margin: 0 0 12px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

.genre-threshold,
.genre-order {
  margin: 0 0 10px;
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.75;
}

.genre-threshold .label,
.genre-order .label {
  display: inline-block;
  margin-right: 6px;
  color: var(--ink);
  font-weight: 700;
}

.genre-entry {
  display: inline-block;
  margin-top: 4px;
  font-size: 14.5px;
}

/* 题材挑选清单 */
.checklist {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 30px 24px 0;
}

.checklist-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule);
}

.checklist-item {
  padding: 15px 0;
  border-bottom: 1px solid var(--rule);
}

.checklist-name {
  margin: 0 0 5px;
  font-size: 16px;
}

.checklist-text {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.7;
}

/* 题材页侧栏 */
.genre-aside,
.content-aside {
  min-width: 0;
}

.sidebar-block {
  padding: 18px 0 0;
  border-top: 2px solid var(--ink);
}

.aside-title {
  margin: 0 0 14px;
  font-size: 17px;
}

.aside-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
}

.aside-item-title {
  margin: 0 0 5px;
  font-size: 15px;
}

.aside-item-text {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   6. pages —— 更新速览
   -------------------------------------------------------------------------- */

.update-timeline {
  padding: 26px 0 0;
}

.timeline-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule);
}

.timeline-row {
  display: grid;
  grid-template-columns: 92px 96px minmax(0, 1fr) 96px;
  align-items: baseline;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--rule);
}

.timeline-date {
  color: var(--ink-meta);
  font-family: var(--mono);
  font-size: 13.5px;
}

.timeline-genre {
  color: var(--accent);
  font-size: 13.5px;
}

.timeline-title {
  color: var(--ink);
  font-size: 15.5px;
  line-height: 1.6;
}

.timeline-chapter {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 13.5px;
}

/* 更新记录判定说明 */
.record-rules {
  padding: 30px 0 0;
}

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

.rules-criteria,
.rules-example {
  min-width: 0;
}

.rules-example p {
  margin: 0 0 10px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

/* 回到题材入口 */
.back-to-genres {
  padding: 30px 0 0;
}

.genre-link-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding: 12px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.genre-link-strip li > a {
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.5;
}

.genre-link-strip li > a:hover,
.genre-link-strip li > a:focus-visible {
  color: var(--accent);
}

/* 更新速览侧栏 */
.content-aside {
  padding-top: 26px;
}

.aside-block {
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}

.aside-block:first-of-type {
  border-top: 1px solid var(--rule);
}

.aside-subtitle {
  margin: 0 0 6px;
  font-size: 15px;
}

.aside-block p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

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

.aside-link-list li > a {
  font-size: 14px;
  line-height: 1.5;
}

.aside-note {
  margin: 12px 0 0;
  color: var(--ink-meta);
  font-size: 13px;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   7. pages —— 编排榜
   -------------------------------------------------------------------------- */

.ranking-intro {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 26px 24px 0;
}

.intro-points {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 6px;
}

.intro-point {
  padding-left: 16px;
  border-left: 2px solid var(--rule);
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

.ranking-blocks {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 30px 24px 0;
}

.ranking-block {
  padding: 22px 0;
  border-bottom: 3px double var(--ink);
}

.ranking-block:first-of-type {
  border-top: 3px double var(--ink);
}

.block-title {
  margin: 0 0 8px;
  font-size: 19px;
}

.block-lead {
  margin: 0 0 16px;
  max-width: 760px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

.rank-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 40px;
}

.rank-list {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.rank-item {
  display: grid;
  grid-template-columns: 34px 68px minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--rule);
}

.rank-no {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
}

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

.rank-title {
  color: var(--ink);
  font-size: 15px;
  line-height: 1.6;
}

.rank-reason {
  grid-column: 3;
  color: var(--ink-meta);
  font-size: 13px;
  line-height: 1.6;
}

.rank-item:hover .rank-title {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.block-note {
  margin: 14px 0 0;
  color: var(--ink-meta);
  font-size: 13.5px;
  line-height: 1.7;
}

/* 排序依据与阅读量的区别 */
.sorting-note {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 30px 24px 0;
}

.note-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  align-items: start;
}

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

.note-paragraph {
  margin: 18px 0 0;
  max-width: 820px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

/* --------------------------------------------------------------------------
   8. pages —— 阅读说明
   -------------------------------------------------------------------------- */

.step-timeline {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 26px 24px 0;
}

.column-combination {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 30px 24px 0;
}

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

.combination-figure {
  min-width: 0;
}

.combination-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--rule);
  border-radius: 4px;
}

.figure-caption {
  margin-top: 8px;
}

.combination-notes {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.combination-notes .note-item {
  padding: 14px 0;
  border-left: 0;
  border-bottom: 1px solid var(--rule);
}

.combination-notes .note-item:first-child {
  border-top: 1px solid var(--rule);
}

.reading-faq {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 30px 24px 0;
}

/* --------------------------------------------------------------------------
   9. pages —— 版权与反馈
   -------------------------------------------------------------------------- */

.annotation-rules {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 26px 24px 0;
}

.rules-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 380px);
  gap: 36px;
  align-items: start;
}

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

.rule-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule);
}

.rule-item {
  padding: 15px 0;
  border-bottom: 1px solid var(--rule);
}

.rule-name {
  margin: 0 0 6px;
  font-size: 16px;
}

.rule-desc {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.75;
}

.annotation-figure {
  min-width: 0;
}

.annotation-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--rule);
  border-radius: 4px;
}

.tag-criteria {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 30px 24px 0;
}

.correction-steps {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 30px 24px 0;
}

.note-block {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 30px 24px 0;
}

.note-block .note-desc {
  margin-top: 16px;
  max-width: 820px;
}

.note-block .note-desc a {
  margin-right: 14px;
}

/* --------------------------------------------------------------------------
   10. pages —— 关于本站
   -------------------------------------------------------------------------- */

.site-positioning {
  min-width: 0;
}

.positioning-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
  gap: 34px;
  align-items: start;
}

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

.positioning-text p {
  margin: 0 0 12px;
  color: var(--ink-soft);
  font-size: 15.5px;
  line-height: 1.8;
}

.positioning-figure {
  min-width: 0;
}

.positioning-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--rule);
  border-radius: 4px;
}

.column-division {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 30px 24px 0;
}

.division-table {
  font-size: 15px;
}

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

.division-table th,
.division-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--rule);
  line-height: 1.7;
}

.division-table thead th {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink);
  border-bottom: 2px solid var(--ink);
}

.division-table tbody th {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink);
  white-space: nowrap;
}

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

.maintenance-scope {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 30px 24px 0;
}

.maintenance-scope > p {
  margin: 0 0 14px;
  max-width: 860px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

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

.maintenance-list li {
  padding-left: 16px;
  border-left: 2px solid var(--rule);
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

/* --------------------------------------------------------------------------
   11. pages —— 404
   -------------------------------------------------------------------------- */

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

.error-panel {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 56px 24px 30px;
  border-bottom: 1px solid var(--rule);
}

.error-code {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 46px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--accent);
}

.error-title {
  margin: 0 0 12px;
  font-size: 30px;
  line-height: 1.3;
}

.error-desc {
  margin: 0 0 18px;
  max-width: 620px;
  color: var(--ink-soft);
  font-size: 15.5px;
  line-height: 1.75;
}

.error-home-link {
  display: inline-block;
  padding: 8px 0;
  font-size: 15.5px;
  border-bottom: 1px solid var(--accent);
}

.error-routes {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 28px 24px 0;
}

.error-routes-title {
  margin: 0 0 14px;
  font-size: 21px;
}

.error-route-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 40px;
  border-top: 1px solid var(--rule);
}

.error-route-list li {
  border-bottom: 1px solid var(--rule);
}

.error-route-list li > a {
  display: block;
  padding: 13px 0;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
}

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

/* --------------------------------------------------------------------------
   12. responsive —— 1080px / 768px / 480px
   -------------------------------------------------------------------------- */

@media (max-width: 1080px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 26px;
  }

  .hero-text h1 {
    font-size: 30px;
  }

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

  .genre-column {
    padding: 4px 20px;
  }

  .genre-column:nth-child(odd) {
    border-left: 0;
    padding-left: 0;
  }

  .genre-column:nth-child(even) {
    padding-right: 0;
  }

  .page-layout {
    grid-template-columns: minmax(0, 1fr) 252px;
    gap: 30px;
  }

  .sidebar-left .page-layout {
    grid-template-columns: 252px minmax(0, 1fr);
  }

  .genre-section {
    grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
    gap: 22px;
  }

  .rules-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    gap: 28px;
  }

  .positioning-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
    gap: 26px;
  }
}

@media (max-width: 768px) {
  .site-main {
    padding: 0 16px 44px;
  }

  .header-top,
  .header-brief,
  .breadcrumb,
  .page-header,
  .related-entry,
  .footer-nav,
  .footer-brief,
  .footer-bottom {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header-top {
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding-top: 14px;
    padding-bottom: 12px;
  }

  .brand-name {
    font-size: 23px;
  }

  .brand-slogan {
    font-size: 12px;
  }

  /* 手机端：主导航列表默认收起，按钮显示 */
  .site-nav {
    flex: 0 0 auto;
  }

  .nav-toggle {
    display: block;
  }

  .nav-list {
    display: none;
  }

  .nav-list.is-open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-list.is-open .nav-item {
    border-bottom: 1px solid var(--rule);
  }

  .nav-list.is-open .nav-item > a {
    display: block;
    padding: 12px 2px;
    font-size: 15px;
    border-bottom: 0;
  }

  .nav-list.is-open .nav-item.is-current > a,
  .nav-list.is-open .nav-item > a.is-current {
    border-bottom: 0;
  }

  .mobile-nav {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero,
  .update-strip,
  .genre-index,
  .ranking-list,
  .featured-guide,
  .reading-summary,
  .faq,
  .column-nav,
  .genre-index-strip,
  .page-layout,
  .checklist,
  .step-timeline,
  .column-combination,
  .reading-faq,
  .annotation-rules,
  .tag-criteria,
  .correction-steps,
  .note-block,
  .column-division,
  .maintenance-scope,
  .ranking-intro,
  .ranking-blocks,
  .sorting-note,
  .error-panel,
  .error-routes {
    padding-left: 16px;
    padding-right: 16px;
  }

  /* 首屏与内容按移动顺序单列 */
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

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

  .hero-lead {
    font-size: 15.5px;
  }

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

  .page-description {
    font-size: 15px;
  }

  .update-row {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 4px 12px;
  }

  .update-date {
    grid-column: 1;
  }

  .update-genre {
    grid-column: 2;
  }

  .update-title {
    grid-column: 1 / -1;
  }

  .update-chapter {
    grid-column: 1;
  }

  .update-link {
    grid-column: 2;
    text-align: right;
  }

  .timeline-row {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 4px 12px;
  }

  .timeline-date {
    grid-column: 1;
  }

  .timeline-genre {
    grid-column: 2;
  }

  .timeline-title {
    grid-column: 1 / -1;
  }

  .timeline-chapter {
    grid-column: 1 / -1;
  }

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

  .genre-column,
  .genre-column:nth-child(odd),
  .genre-column:nth-child(even) {
    padding: 14px 0;
    border-left: 0;
    border-bottom: 1px solid var(--rule);
  }

  .genre-column:first-child {
    padding-top: 4px;
  }

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

  .ranking-item {
    grid-template-columns: 34px 68px minmax(0, 1fr);
    gap: 10px;
  }

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

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

  .stage-block {
    border-right: 0;
    border-bottom: 1px solid var(--rule);
    padding: 18px 0 20px;
  }

  .stage-block:last-child {
    border-bottom: 0;
  }

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

  .step-timeline .step-item {
    border-right: 0;
    border-bottom: 1px solid var(--rule);
    padding: 18px 0 20px;
  }

  .step-timeline .step-item:last-child {
    border-bottom: 0;
  }

  /* 移动端：正文在侧栏之前 */
  .page-layout,
  .sidebar-left .page-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }

  .sidebar-left .page-layout .content-main,
  .sidebar-left .page-layout .genre-sections,
  .sidebar-left .page-layout .content-aside,
  .sidebar-left .page-layout .genre-aside {
    order: initial;
  }

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

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

  .rules-columns,
  .note-columns,
  .combination-layout,
  .rules-layout,
  .positioning-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

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

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

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

  .footer-bottom {
    gap: 8px 16px;
  }

  .division-table th,
  .division-table td {
    padding: 10px 8px;
    font-size: 14px;
  }

  .division-table tbody th {
    white-space: normal;
  }

  .column-nav-list {
    gap: 8px 18px;
  }
}

@media (max-width: 480px) {
  .hero-text h1 {
    font-size: 22px;
  }

  .page-title {
    font-size: 22px;
  }

  .section-head h2,
  .section-title {
    font-size: 19px;
  }

  .error-code {
    font-size: 38px;
  }

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

  .ranking-item {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 4px 10px;
  }

  .ranking-no {
    grid-row: 1;
    grid-column: 1;
  }

  .ranking-genre {
    grid-row: 1;
    grid-column: 2;
  }

  .ranking-reason {
    grid-row: 2;
    grid-column: 2;
  }

  .rank-item {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 4px 10px;
  }

  .rank-no {
    grid-row: 1;
    grid-column: 1;
  }

  .rank-genre {
    grid-row: 1;
    grid-column: 2;
  }

  .rank-title {
    grid-row: 2;
    grid-column: 2;
  }

  .rank-reason {
    grid-row: 3;
    grid-column: 2;
  }

  .correction-steps .step-item {
    grid-template-columns: 44px minmax(0, 1fr);
    column-gap: 12px;
  }

  .correction-steps .step-index {
    font-size: 20px;
  }

  .hero-entries {
    gap: 6px 18px;
  }
}