/* ==========================================================================
   51吃瓜今日吃瓜 · 漫画专题阅读站
   全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base · 基础重置与全站骨架变量
   -------------------------------------------------------------------------- */

:root {
  --page-bg: #f6f7f9;
  --surface: #ffffff;
  --ink: #20242e;
  --ink-soft: #5b6472;
  --brand: #2f5be8;
  --brand-dark: #2447bd;
  --accent: #ff7a45;
  --line: #e4e7ed;
  --line-soft: #eef0f4;
  --radius: 6px;
  --radius-sm: 4px;
  --shadow-card: 0 1px 2px rgba(32, 36, 46, 0.05);
  --shadow-lift: 0 6px 16px rgba(32, 36, 46, 0.09);
  --shell-width: 1120px;
  --content-width: 720px;
  --gutter: 24px;
}

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

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

body.site-body {
  margin: 0;
  background: var(--page-bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.8;
  font-variant-numeric: tabular-nums;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.4;
}

p {
  margin: 0;
}

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

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

a:hover,
a:focus-visible {
  color: var(--brand-dark);
  text-decoration: underline;
}

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

time {
  font-variant-numeric: tabular-nums;
}

.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 · 全站骨架：页头 / 导航 / 主容器 / 页脚
   -------------------------------------------------------------------------- */

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

.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  width: 100%;
  max-width: var(--shell-width);
  min-height: 64px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.brand {
  flex: 0 0 auto;
  color: var(--ink);
  font-size: 18px;
  font-weight: 700;
  white-space: nowrap;
}

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

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-size: 13px;
  cursor: pointer;
}

.nav-toggle::before {
  content: "菜单";
}

.nav-toggle:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.site-nav {
  flex: 1 1 auto;
  min-width: 0;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 4px 2px;
}

.nav-list li {
  flex: 0 0 auto;
}

.nav-list a {
  display: inline-block;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.6;
  white-space: nowrap;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  background: var(--line-soft);
  color: var(--brand);
  text-decoration: none;
}

.nav-list a.is-current {
  color: var(--brand);
  font-weight: 700;
}

/* 读者身份路径条 */
.reader-paths {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 8px var(--gutter) 9px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
}

.paths-label {
  flex: 0 0 auto;
  color: var(--ink-soft);
}

.paths-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  min-width: 0;
}

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

.paths-list a:hover,
.paths-list a:focus-visible {
  color: var(--brand);
}

/* 主容器 */
.site-main {
  width: 100%;
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 0 var(--gutter) 56px;
}

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

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

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--ink-soft);
  font-size: 13px;
}

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

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

.breadcrumb-sep {
  color: #b6bcc7;
}

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

/* 页面标题区 */
.page-header {
  margin-bottom: 18px;
}

.page-title {
  max-width: 900px;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-head {
  max-width: var(--content-width);
  margin-bottom: 24px;
}

.page-summary,
.page-lead {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.page-meta {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 13px;
}

.page-meta a {
  color: var(--brand);
}

.page-hero {
  max-width: var(--content-width);
  margin: 0 0 24px;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius);
}

/* 页脚 */
.site-footer {
  margin-top: 8px;
  padding: 32px 0 0;
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: 24px 20px;
  width: 100%;
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 0 var(--gutter) 24px;
}

.footer-brand {
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
}

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

.footer-title {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.footer-links {
  display: grid;
  gap: 6px;
}

.footer-links a {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--brand);
}

.footer-bottom {
  border-top: 1px solid var(--line-soft);
}

.footer-copy {
  width: 100%;
  max-width: var(--shell-width);
  margin: 0 auto;
  padding: 14px var(--gutter) 18px;
  color: var(--ink-soft);
  font-size: 12.5px;
}

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

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  cursor: pointer;
}

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

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
  color: #fff;
}

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

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

/* 模块头 */
.section-head,
.module-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.section-head h2,
.module-head h2,
.module-head h3 {
  font-size: 20px;
}

.module-title {
  font-size: 20px;
}

.section-desc,
.module-desc {
  flex: 1 1 320px;
  min-width: 220px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.section-more {
  flex: 0 0 auto;
  font-size: 13px;
}

/* 封面卡 */
.cover-grid {
  display: grid;
  gap: 16px;
}

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

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

.cover-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px 10px 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  color: var(--ink);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

a.cover-card:hover,
a.cover-card:focus-visible,
.cover-card:hover {
  transform: translateY(-2px);
  border-color: #c9d2e6;
  box-shadow: var(--shadow-lift);
  text-decoration: none;
}

.cover-media,
.cover-figure,
.tier-cover,
.hero-figure,
.guide-figure,
.content-figure,
.page-figure {
  margin: 0;
  overflow: hidden;
  background: var(--line-soft);
  border-radius: var(--radius-sm);
}

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

.cover-title,
.cover-name {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}

.cover-genre,
.cover-tags,
.cover-meta,
.cover-time {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.6;
}

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

.cover-genre a:hover,
.cover-genre a:focus-visible {
  color: var(--brand);
}

.cover-time {
  color: var(--accent);
}

/* 题材标签 */
.tag,
.genre-tag,
.item-genre {
  display: inline-block;
  padding: 1px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.7;
  white-space: nowrap;
}

/* 更新条目行 */
.schedule-list {
  display: grid;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.schedule-row {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 16px;
  padding: 12px 16px;
  border-top: 1px solid var(--line-soft);
}

.schedule-row:first-child {
  border-top: 0;
}

.schedule-day {
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.schedule-items {
  display: grid;
  gap: 8px;
}

.schedule-items li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  font-size: 14px;
}

.schedule-items a {
  color: var(--ink);
}

.schedule-items a:hover,
.schedule-items a:focus-visible {
  color: var(--brand);
}

.item-order,
.item-date {
  color: var(--ink-soft);
  font-size: 12.5px;
}

/* 语义表格 */
.table-wrap {
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.spec-table,
.data-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.spec-table caption,
.data-table caption {
  padding: 12px 16px;
  color: var(--ink-soft);
  font-size: 13px;
  text-align: left;
}

.spec-table th,
.spec-table td,
.data-table th,
.data-table td {
  padding: 11px 16px;
  border-top: 1px solid var(--line-soft);
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.spec-table thead th,
.data-table thead th {
  background: #fafbfd;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.spec-table tbody th,
.data-table tbody th {
  width: 22%;
  color: var(--ink);
  font-weight: 700;
}

/* 步骤列表 */
.step-list {
  display: grid;
  gap: 14px;
}

.step-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  grid-template-areas:
    "index title"
    "index desc"
    "index link";
  gap: 4px 14px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.step-index {
  grid-area: index;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #eef2fe;
  color: var(--brand);
  font-size: 14px;
  font-weight: 700;
}

.step-title {
  grid-area: title;
  font-size: 15px;
}

.step-desc,
.step-text {
  grid-area: desc;
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.75;
}

.step-link {
  grid-area: link;
  align-self: start;
  font-size: 13px;
}

/* 记录行 */
.log-list {
  display: grid;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.log-row {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr) 128px;
  gap: 12px;
  padding: 11px 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
}

.log-row:first-child {
  border-top: 0;
}

.log-date {
  color: var(--ink-soft);
}

.log-subject,
.log-item,
.log-name {
  color: var(--ink);
}

.log-type {
  color: var(--ink-soft);
  text-align: right;
}

/* 提示框 */
.notice-box {
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.notice-text {
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.75;
}

.notice-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 8px;
  font-size: 13px;
}

.notice {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--radius);
  font-size: 13.5px;
  line-height: 1.75;
}

.notice-info {
  background: #f2f5ff;
  border: 1px solid #d9e1fb;
  color: var(--ink-soft);
}

/* 折叠问答 */
.faq-list {
  display: grid;
  gap: 10px;
}

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

.faq-question,
.faq-item > summary {
  padding: 12px 16px;
  color: var(--ink);
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.6;
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after,
.faq-item > summary::after {
  content: "＋";
  float: right;
  margin-left: 12px;
  color: var(--ink-soft);
  font-weight: 400;
}

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

.faq-answer,
.faq-item > p {
  margin: 0;
  padding: 0 16px 14px;
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.8;
}

/* 锚点行 */
.anchor-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-bottom: 22px;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 13px;
}

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

.anchor-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
}

.page-anchors {
  margin-bottom: 24px;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 13px;
}

/* 入口链接列表 */
.entry-list {
  display: grid;
  gap: 10px;
}

.entry-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 11px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
}

.entry-name {
  color: var(--ink);
  font-weight: 700;
}

.entry-link {
  font-size: 13.5px;
}

/* 侧栏块 */
.aside-block,
.side-block {
  margin-bottom: 18px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.aside-title,
.side-block > h2 {
  margin-bottom: 10px;
  font-size: 15px;
  font-weight: 700;
}

.aside-note,
.aside-text,
.block-lead {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.75;
}

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

.aside-links,
.link-list {
  display: grid;
  gap: 7px;
  font-size: 13px;
}

.schedule-toc {
  display: grid;
  gap: 6px;
  font-size: 13.5px;
}

.schedule-toc a {
  display: block;
  padding: 4px 0;
}

/* 提示条目 */
.tip-list {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.tip-item {
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

.tip-item h3,
.tip-title {
  font-size: 14px;
  font-weight: 700;
}

.tip-item p,
.tip-desc {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.75;
}

.tip-link {
  display: inline-block;
  margin-top: 6px;
  font-size: 13px;
}

/* 正文块 */
.content-block {
  margin-bottom: 28px;
}

.content-block > h2 {
  margin-bottom: 10px;
  font-size: 20px;
}

.prose {
  max-width: var(--content-width);
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.85;
}

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

/* 图片容器 */
.hero-figure img,
.guide-figure img,
.content-figure img,
.page-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.hero-figure figcaption,
.guide-figure figcaption,
.content-figure figcaption,
.page-figure figcaption {
  padding: 8px 12px;
  color: var(--ink-soft);
  font-size: 12.5px;
  line-height: 1.7;
  background: var(--surface);
}

.page-figure {
  max-width: var(--content-width);
  margin: 0 0 28px;
  border: 1px solid var(--line);
}

/* 锚点高亮 */
.genre-section:target,
.log-group:target,
.rank-tier:target,
.content-block:target,
.guide-flow:target,
.guide-order:target,
.guide-follow:target,
.guide-faq:target {
  box-shadow: 0 0 0 2px #dbe3fb;
  border-radius: var(--radius);
}

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

/* 首屏 */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 28px;
  align-items: start;
  margin-bottom: 40px;
  padding: 26px 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.hero-copy h1 {
  font-size: 34px;
  line-height: 1.35;
}

.hero-lead {
  max-width: 620px;
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.85;
}

.hero-update-tip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 13.5px;
}

.update-mark {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  background: #fff1ea;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.hero-side {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.genre-quick-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.genre-quick-tags a {
  display: inline-block;
  padding: 5px 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.6;
}

.genre-quick-tags a:hover,
.genre-quick-tags a:focus-visible {
  border-color: var(--brand);
  color: var(--brand);
  text-decoration: none;
}

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

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

/* 首页模块间距 */
.section {
  margin-bottom: 40px;
}

/* 题材分类入口 */
.genre-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.genre-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

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

.genre-name a {
  color: var(--ink);
}

.genre-name a:hover,
.genre-name a:focus-visible {
  color: var(--brand);
}

.genre-scope {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.75;
}

.genre-titles {
  display: grid;
  gap: 6px;
  margin-top: 4px;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
}

/* 首页推荐榜概览 */
.rank-tiers {
  display: grid;
  gap: 14px;
}

.rank-tier {
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.tier-reason {
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.75;
}

.tier-items {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px 16px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}

.tier-items li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
  font-size: 14px;
  min-width: 0;
}

/* 首页更新记录摘要 */
.section-log .log-list {
  margin-top: 0;
}

/* 首页内容说明 */
.section-notice {
  margin-bottom: 32px;
}

/* --------------------------------------------------------------------------
   pages · 内页通用布局
   -------------------------------------------------------------------------- */

.page-layout {
  display: grid;
  gap: 28px;
  align-items: start;
}

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

.page-layout.layout-sidebar-right {
  grid-template-columns: minmax(0, 1fr) 280px;
}

.page-layout.layout-split {
  grid-template-columns: minmax(0, 1fr) 320px;
}

.page-aside {
  min-width: 0;
}

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

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

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

/* 内页模块 */
.module {
  margin-bottom: 32px;
}

.module:last-child {
  margin-bottom: 0;
}

/* 今日更新页 · 按题材分组 */
.genre-update-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.genre-update {
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.genre-update-name {
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 700;
}

.genre-update-list {
  display: grid;
  gap: 8px;
  font-size: 13.5px;
}

.genre-update-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
}

/* 今日更新页 · 追更提示 */
.tip-list .tip-item .tip-title {
  display: block;
}

/* 题材分类页 · 封面墙 */
.genre-wall > .module-head {
  margin-bottom: 20px;
}

.genre-section {
  margin-bottom: 28px;
  scroll-margin-top: 96px;
}

.genre-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.genre-head h3 {
  font-size: 17px;
}

.genre-head .genre-scope {
  flex: 1 1 260px;
  min-width: 200px;
}

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

.cover-card .cover-figure {
  margin-bottom: 2px;
}

.cover-card .cover-name {
  color: var(--ink);
}

.genre-tag {
  margin-top: 2px;
}

.related-entry {
  margin-top: 8px;
}

/* 专题推荐榜页 */
.page-ranking .anchor-row {
  margin-bottom: 26px;
}

.page-ranking .rank-tier {
  margin-bottom: 22px;
  scroll-margin-top: 96px;
}

.tier-head {
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.tier-head h2 {
  font-size: 20px;
}

.tier-list {
  display: grid;
  gap: 12px;
}

.tier-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 14px;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.tier-item:hover {
  border-color: #c9d2e6;
  box-shadow: var(--shadow-card);
}

.tier-info {
  min-width: 0;
}

.tier-info .tier-name {
  font-size: 15px;
}

.tier-tag {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 12.5px;
}

.tier-advice {
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.75;
}

.starter-picks,
.next-steps {
  margin-top: 32px;
}

.starter-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.starter-item {
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.starter-name {
  font-size: 15px;
}

.starter-desc {
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.75;
}

.next-list {
  display: grid;
  gap: 10px;
}

.next-item {
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.next-desc {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.75;
}

/* 阅读指引页 */
.guide-flow,
.guide-order,
.guide-follow,
.guide-faq {
  margin-bottom: 36px;
  scroll-margin-top: 96px;
}

.guide-figure {
  max-width: var(--content-width);
  margin: 0 0 20px;
  border: 1px solid var(--line);
}

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

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

.guide-follow .follow-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.follow-item {
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.follow-title {
  font-size: 15px;
}

.follow-text {
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.75;
}

.follow-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
}

.guide-entry {
  margin-bottom: 12px;
}

/* 更新记录页 */
.section-fields,
.section-log,
.section-adjust,
.section-links {
  margin-bottom: 36px;
  scroll-margin-top: 96px;
}

.log-group {
  margin-bottom: 22px;
  scroll-margin-top: 96px;
}

.log-week {
  margin-bottom: 8px;
  font-size: 15px;
}

.log-group .log-row {
  grid-template-columns: 96px minmax(0, 1fr) 140px;
}

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

.adjust-item {
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.adjust-item h3 {
  font-size: 15px;
}

.adjust-item p {
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.8;
}

/* 内容说明页 */
.page-feedback .content-figure {
  max-width: 100%;
  margin: 16px 0;
  border: 1px solid var(--line);
}

.page-feedback .content-figure img {
  aspect-ratio: 16 / 9;
}

.feedback-list {
  display: grid;
  gap: 12px;
}

.feedback-item {
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

.feedback-item h3 {
  font-size: 14px;
}

.feedback-item p {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.75;
}

.page-feedback .side-block .faq-list {
  margin-top: 4px;
}

/* 404 页 */
.error-main {
  padding-top: 40px;
}

.error-panel {
  max-width: var(--content-width);
  margin: 0 auto 40px;
  padding: 32px 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: left;
}

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

.error-desc {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.85;
}

.error-links {
  display: grid;
  gap: 10px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
}

/* --------------------------------------------------------------------------
   responsive · 响应式
   -------------------------------------------------------------------------- */

@media (max-width: 1000px) {
  .footer-inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

  .cover-grid-4 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

@media (max-width: 900px) {
  .page-layout.sidebar-left,
  .page-layout.layout-sidebar-right,
  .page-layout.layout-split {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-layout.sidebar-left .page-aside {
    order: 2;
  }

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

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

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

@media (max-width: 760px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    flex: 1 1 100%;
    min-width: 0;
  }

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

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

  .nav-list a {
    display: block;
    padding: 11px 12px;
    font-size: 15px;
  }

  .reader-paths {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .paths-list {
    flex-direction: column;
    gap: 2px;
  }

  .paths-list a {
    display: block;
    padding: 6px 0;
    min-height: 32px;
  }

  .site-main {
    padding-left: 16px;
    padding-right: 16px;
  }

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

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

  .hero {
    padding: 20px 16px;
    gap: 20px;
  }

  .hero-copy h1 {
    font-size: 26px;
  }

  .hero-actions {
    gap: 10px;
  }

  .hero-actions .btn {
    flex: 1 1 140px;
  }

  .genre-quick-tags {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }

  .genre-quick-tags li {
    flex: 0 0 auto;
  }

  .cover-grid-4,
  .cover-grid-3,
  .genre-section .cover-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

  .tier-item {
    grid-template-columns: 80px minmax(0, 1fr);
  }

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

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

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

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

  .log-type {
    text-align: left;
  }

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

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

  .anchor-row {
    flex-wrap: nowrap;
    overflow-x: auto;
  }

  .anchor-row .anchor-list {
    flex-wrap: nowrap;
  }

  .anchor-row .anchor-list li {
    flex: 0 0 auto;
  }

  .page-anchors .anchor-list {
    flex-wrap: nowrap;
    overflow-x: auto;
  }

  .page-anchors .anchor-list li {
    flex: 0 0 auto;
  }
}

@media (max-width: 480px) {
  .cover-grid-4,
  .cover-grid-3,
  .genre-section .cover-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .cover-card {
    padding: 8px 8px 10px;
  }

  .cover-title,
  .cover-name {
    font-size: 14px;
  }

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

  .error-panel {
    padding: 24px 18px;
  }

  .step-item {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 4px 10px;
    padding: 12px 14px;
  }

  .step-index {
    width: 28px;
    height: 28px;
    font-size: 13px;
  }
}