/* ==========================================================================
   里番动漫 igshl.cn — 全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* ==========================================================================
   base — 变量、重置、排版基础
   ========================================================================== */

:root {
  --color-bg: #f7f8fa;
  --color-surface: #ffffff;
  --color-surface-alt: #eef1f6;
  --color-text: #23262b;
  --color-text-soft: #5a6068;
  --color-text-mute: #7d848d;
  --color-primary: #3a6ea5;
  --color-primary-dark: #2f5a87;
  --color-accent: #4f9d8a;
  --color-warn: #c9803a;
  --color-line: #e2e5ea;
  --color-line-strong: #cfd5dd;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  --container: 1120px;
  --gutter: 24px;

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei",
    Arial, Helvetica, sans-serif;
  --font-mono: "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;

  --shadow-card: 0 1px 2px rgba(35, 38, 43, 0.05);
  --shadow-raise: 0 4px 14px rgba(35, 38, 43, 0.09);
}

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

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

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

p {
  margin: 0;
}

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

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

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

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

figure {
  margin: 0;
}

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

button {
  font: inherit;
  color: inherit;
}

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

.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --- 页头 --- */

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

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 1px;
  color: var(--color-text);
  text-decoration: none;
  padding: 8px 0;
}

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

.brand-name {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
}

.brand-slogan {
  font-size: 12px;
  line-height: 1.5;
  color: var(--color-text-mute);
}

/* --- 主导航 --- */

.site-nav {
  display: flex;
  align-items: center;
}

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

.nav-item {
  display: block;
}

.nav-link {
  display: block;
  padding: 10px 14px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--color-text-soft);
  border-radius: var(--radius-md);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-primary-dark);
  background-color: var(--color-surface-alt);
  text-decoration: none;
}

.nav-link.is-current {
  color: var(--color-primary);
  font-weight: 700;
  background-color: rgba(58, 110, 165, 0.08);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
}

/* --- 主内容 --- */

.site-main {
  flex: 1 0 auto;
  width: 100%;
}

.home-main {
  display: block;
}

.inner-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 20px var(--gutter) 56px;
}

/* --- 页脚 --- */

.site-footer {
  margin-top: 48px;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-line);
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px var(--gutter) 28px;
  display: grid;
  grid-template-columns: minmax(240px, 1.4fr) repeat(3, minmax(150px, 1fr));
  gap: 28px 32px;
}

.footer-brand-name {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.footer-brand-desc {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-text-mute);
}

.footer-group-title {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-text);
  margin-bottom: 10px;
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-item a {
  display: inline-block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-soft);
  padding: 2px 0;
}

.footer-item a:hover,
.footer-item a:focus-visible {
  color: var(--color-primary-dark);
}

.footer-copyright {
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px var(--gutter) 26px;
  border-top: 1px solid var(--color-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-mute);
}

/* ==========================================================================
   components — 通用模块
   ========================================================================== */

/* --- 区块标题 --- */

.section-head {
  margin-bottom: 20px;
}

.section-title {
  font-size: 22px;
  line-height: 1.4;
  margin-bottom: 8px;
}

.section-desc,
.section-intro,
.section-lead {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-soft);
}

.section-intro,
.section-lead {
  margin-bottom: 20px;
}

.subsection-title {
  font-size: 18px;
  line-height: 1.45;
  margin: 28px 0 10px;
}

.col-title {
  font-size: 17px;
  line-height: 1.45;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-line);
}

.link-more {
  display: inline-block;
  font-size: 14px;
  line-height: 1.6;
  padding: 4px 0;
}

/* --- 按钮 --- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

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

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

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

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

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
  background-color: var(--color-surface);
}

/* --- 面包屑与内页标题区 --- */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-mute);
  padding: 4px 0 12px;
}

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

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

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

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

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

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

.page-description {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-soft);
  max-width: 820px;
}

/* --- 内页通用区块间距 --- */

.inner-main > section {
  margin-bottom: 44px;
}

.inner-main > section:last-of-type {
  margin-bottom: 0;
}

/* --- 图片容器 --- */

.hero-media img,
.cover-media img,
.sample-figure img,
.pick-figure img,
.boundary-figure img,
.field-figure img,
.follow-figure img,
.guide-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-color: var(--color-surface-alt);
}

.boundary-figure,
.field-figure,
.follow-figure,
.guide-figure {
  margin: 0 0 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-surface);
}

.boundary-figure img,
.field-figure img,
.follow-figure img {
  aspect-ratio: 16 / 9;
}

.guide-figure img {
  aspect-ratio: 16 / 7;
}

.boundary-figure figcaption,
.field-figure figcaption,
.follow-figure figcaption,
.guide-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-mute);
  border-top: 1px solid var(--color-line);
}

/* --- 警示信息 --- */

.warning-note {
  margin-top: 18px;
  padding: 12px 16px;
  border-left: 3px solid var(--color-warn);
  background-color: rgba(201, 128, 58, 0.08);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 14px;
  line-height: 1.75;
  color: #8a5620;
}

.warning-bar {
  padding: 14px 18px;
  border-left: 3px solid var(--color-warn);
  background-color: rgba(201, 128, 58, 0.08);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: 22px;
}

.warning-text {
  font-size: 14px;
  line-height: 1.75;
  color: #8a5620;
}

.notice-bar {
  padding: 14px 18px;
  border-left: 3px solid var(--color-warn);
  background-color: rgba(201, 128, 58, 0.08);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 14px;
  line-height: 1.75;
  color: #8a5620;
  margin-bottom: 22px;
}

.note-text {
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-text-mute);
  margin-top: 14px;
}

/* --- 状态标注 --- */

.is-ongoing,
.status-ongoing {
  color: var(--color-accent);
}

.is-finished,
.status-finished {
  color: var(--color-text-mute);
}

.status-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.6;
  padding: 1px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid currentColor;
}

/* --- 字段说明表 --- */

.field-table {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-size: 14px;
}

.field-table-caption {
  caption-side: top;
  text-align: left;
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-mute);
  border-bottom: 1px solid var(--color-line);
  background-color: var(--color-surface-alt);
}

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

.field-table thead th {
  background-color: var(--color-surface-alt);
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
}

.field-table tbody th {
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
}

.field-table tbody td {
  color: var(--color-text-soft);
}

.field-table tbody tr:last-child th,
.field-table tbody tr:last-child td {
  border-bottom: none;
}

/* --- 反馈区通用 --- */

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

.feedback-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
}

.feedback-item {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-soft);
  padding-left: 16px;
  position: relative;
}

.feedback-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

.feedback-item-title {
  font-size: 15px;
  line-height: 1.5;
  margin-bottom: 6px;
}

.feedback-panel {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
}

.feedback-title {
  font-size: 17px;
  line-height: 1.45;
  margin-bottom: 10px;
}

.feedback-links {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.8;
}

.feedback-more {
  margin-top: 14px;
  font-size: 14px;
}

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

/* --- 首屏 --- */

.hero {
  position: relative;
  background-color: #1f242b;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  margin: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}

.hero-copy {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 72px var(--gutter) 56px;
  color: #ffffff;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0;
  padding: 3px 12px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: var(--radius-sm);
  color: #eef1f6;
  margin-bottom: 18px;
}

.hero-title {
  font-size: 32px;
  line-height: 1.35;
  color: #ffffff;
  max-width: 720px;
}

.hero-lead {
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.85;
  color: #dfe4ea;
  max-width: 660px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.hero-actions .btn-ghost {
  border-color: rgba(255, 255, 255, 0.55);
  color: #ffffff;
}

.hero-actions .btn-ghost:hover,
.hero-actions .btn-ghost:focus-visible {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: #ffffff;
  color: #ffffff;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.hero-tag-item {
  display: block;
}

.hero-tag {
  display: inline-block;
  padding: 7px 14px;
  font-size: 14px;
  line-height: 1.6;
  color: #eef1f6;
  background-color: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius-md);
}

.hero-tag:hover,
.hero-tag:focus-visible {
  background-color: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.6);
  color: #ffffff;
  text-decoration: none;
}

/* --- 首页区块统一宽度 --- */

.genre-index,
.cover-wall,
.updates-list,
.ranking-two-col,
.guide-two-col,
.site-index {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.genre-index,
.cover-wall,
.updates-list,
.ranking-two-col,
.guide-two-col {
  padding-top: 48px;
}

.site-index {
  padding-top: 48px;
  padding-bottom: 8px;
}

/* --- 题材分类索引 --- */

.genre-index-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.genre-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.genre-card:hover {
  border-color: var(--color-line-strong);
  box-shadow: var(--shadow-raise);
  transform: translateY(-2px);
}

.genre-card-title {
  font-size: 16px;
  line-height: 1.45;
  margin-bottom: 10px;
}

.genre-card-title a {
  color: var(--color-text);
}

.genre-card-title a:hover,
.genre-card-title a:focus-visible {
  color: var(--color-primary);
}

.genre-card-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-soft);
}

.genre-card-meta {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--color-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-mute);
  font-variant-numeric: tabular-nums;
}

/* --- 封面墙 --- */

.cover-wall-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

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

.cover-card:hover {
  border-color: var(--color-line-strong);
  box-shadow: var(--shadow-raise);
  transform: translateY(-2px);
}

.cover-media {
  margin: 0;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background-color: var(--color-surface-alt);
}

.cover-card:nth-child(3n + 2) .cover-media {
  aspect-ratio: 4 / 5;
}

.cover-title {
  font-size: 15px;
  line-height: 1.45;
  padding: 12px 14px 0;
}

.cover-genre {
  padding: 4px 14px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-mute);
}

/* --- 最近更新目录（首页） --- */

.update-rows {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.update-row {
  display: grid;
  grid-template-columns: 104px minmax(0, 1.6fr) 96px 96px 84px;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--color-line);
  font-size: 14px;
  line-height: 1.7;
  transition: background-color 0.15s ease;
}

.update-row:last-child {
  border-bottom: none;
}

.update-row:hover {
  background-color: var(--color-surface-alt);
}

.update-date {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-mute);
  font-variant-numeric: tabular-nums;
}

.update-name {
  font-weight: 700;
  color: var(--color-text);
}

.update-genre,
.update-chapter {
  font-size: 13px;
  color: var(--color-text-soft);
}

.update-chapter {
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
}

.update-status {
  font-size: 13px;
  font-weight: 700;
}

.updates-more {
  margin-top: 14px;
  font-size: 14px;
}

/* --- 人气榜单与编辑推荐（首页两栏） --- */

.ranking-two-col .section-title,
.guide-two-col .section-title {
  margin-bottom: 20px;
}

.ranking-layout,
.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.ranking-col,
.notes-col,
.guide-fields,
.guide-feedback {
  min-width: 0;
}

.rank-list {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.rank-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 96px;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--color-line);
  font-size: 14px;
  line-height: 1.7;
  transition: background-color 0.15s ease;
}

.rank-item:last-child {
  border-bottom: none;
}

.rank-item:hover {
  background-color: var(--color-surface-alt);
}

.rank-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-alt);
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.rank-item:nth-child(-n + 3) .rank-no {
  background-color: var(--color-primary);
  color: #ffffff;
}

.rank-name {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--color-text);
}

.rank-genre {
  font-size: 13px;
  color: var(--color-text-mute);
  text-align: right;
}

.rank-more {
  margin-top: 14px;
  font-size: 14px;
}

.note-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: 16px 18px;
  margin-bottom: 14px;
}

.note-card:last-child {
  margin-bottom: 0;
}

.note-title {
  font-size: 15px;
  line-height: 1.45;
  margin-bottom: 8px;
}

.note-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-soft);
}

/* --- 阅读说明与反馈摘要（首页两栏） --- */

.field-list {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 6px 18px;
}

.field-term {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.7;
  color: var(--color-text);
  padding-top: 12px;
}

.field-desc {
  margin: 0;
  padding-bottom: 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-soft);
  border-bottom: 1px dashed var(--color-line);
}

.field-desc:last-of-type {
  border-bottom: none;
}

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

.guide-feedback .feedback-list {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  margin-top: 14px;
}

/* --- 站内栏目索引 --- */

.site-index-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.site-index-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 16px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.site-index-item:hover {
  border-color: var(--color-line-strong);
  box-shadow: var(--shadow-card);
}

.site-index-link {
  display: block;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-text);
}

.site-index-link:hover,
.site-index-link:focus-visible {
  color: var(--color-primary);
}

.site-index-note {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-mute);
}

/* ==========================================================================
   pages — 题材分类页
   ========================================================================== */

.genre-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.genre-row {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  scroll-margin-top: 90px;
}

.genre-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
}

.genre-code {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
  background-color: rgba(58, 110, 165, 0.08);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  white-space: nowrap;
}

.genre-name {
  font-size: 17px;
  line-height: 1.45;
}

.genre-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.genre-scope {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-soft);
  min-width: 220px;
}

.genre-boundary {
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-text-mute);
  padding-left: 12px;
  border-left: 2px solid var(--color-line);
}

.boundary-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

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

.boundary-step .step-title {
  font-size: 15px;
  line-height: 1.45;
  margin-bottom: 8px;
}

.boundary-step .step-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-soft);
}

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

.sample-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.sample-card:hover {
  border-color: var(--color-line-strong);
  box-shadow: var(--shadow-raise);
  transform: translateY(-2px);
}

.sample-figure {
  margin: 0;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background-color: var(--color-surface-alt);
}

.sample-title {
  font-size: 15px;
  line-height: 1.45;
  padding: 12px 14px 0;
}

.sample-meta {
  padding: 4px 14px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-mute);
}

.sample-more {
  margin-top: 16px;
  font-size: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

/* ==========================================================================
   pages — 最近更新页
   ========================================================================== */

.updates-list {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.updates-item {
  display: grid;
  grid-template-columns: 108px minmax(0, 1.5fr) 110px 100px 88px;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--color-line);
  font-size: 14px;
  line-height: 1.7;
  transition: background-color 0.15s ease;
}

.updates-item:last-child {
  border-bottom: none;
}

.updates-item:hover {
  background-color: var(--color-surface-alt);
}

.updates-date {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-mute);
  font-variant-numeric: tabular-nums;
}

.updates-name {
  font-weight: 700;
  color: var(--color-text);
}

.updates-name:hover,
.updates-name:focus-visible {
  color: var(--color-primary);
}

.updates-genre,
.updates-chapter {
  font-size: 13px;
  color: var(--color-text-soft);
}

.updates-chapter {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.updates-status {
  font-size: 13px;
  font-weight: 700;
}

.follow-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

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

.follow-step-title {
  font-size: 15px;
  line-height: 1.45;
  margin-bottom: 8px;
}

.follow-step p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-soft);
}

.feedback-section .feedback-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 0;
}

.feedback-section .feedback-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 18px;
  padding-left: 18px;
}

.feedback-section .feedback-item::before {
  display: none;
}

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

/* ==========================================================================
   pages — 人气榜单页
   ========================================================================== */

.page-layout.ranking-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 1fr);
  gap: 36px;
  align-items: start;
  margin-bottom: 44px;
}

.ranking-main,
.ranking-side {
  min-width: 0;
}

.ranking-main .rank-list {
  margin-top: 0;
}

.ranking-main .rank-item {
  grid-template-columns: 44px minmax(0, 1fr);
  align-items: start;
  padding: 16px 18px;
}

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

.ranking-main .rank-name {
  font-size: 16px;
  margin-bottom: 4px;
}

.rank-meta {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-mute);
  font-variant-numeric: tabular-nums;
}

.rank-note {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-soft);
}

.ranking-side .section-lead {
  margin-bottom: 16px;
}

.pick-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 16px;
}

.pick-card:last-child {
  margin-bottom: 0;
}

.pick-figure {
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-surface-alt);
}

.pick-name {
  font-size: 15px;
  line-height: 1.45;
  padding: 12px 16px 0;
}

.pick-reason {
  padding: 6px 16px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-soft);
}

.relation-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.relation-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 18px;
}

.relation-title {
  font-size: 15px;
  line-height: 1.45;
  margin-bottom: 8px;
}

.relation-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-soft);
}

.rank-feedback .feedback-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 0;
}

.rank-feedback .feedback-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 18px;
  padding-left: 18px;
}

.rank-feedback .feedback-item::before {
  display: none;
}

.rank-feedback .feedback-item strong {
  display: block;
  font-size: 15px;
  line-height: 1.5;
  margin-bottom: 6px;
}

.feedback-note {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.8;
}

/* ==========================================================================
   pages — 阅读说明页
   ========================================================================== */

.page-layout.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 1fr);
  gap: 36px;
  align-items: start;
  margin-bottom: 44px;
}

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

.status-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-soft);
}

.step-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 30px;
}

.step-item {
  position: relative;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 16px 18px 16px 54px;
}

.guide-side .step-index {
  position: absolute;
  left: 16px;
  top: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.guide-side .step-title {
  font-size: 15px;
  line-height: 1.45;
  margin-bottom: 6px;
}

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

.faq-section {
  margin-top: 8px;
}

.faq-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item:last-child {
  margin-bottom: 0;
}

.faq-question {
  cursor: pointer;
  padding: 15px 46px 15px 18px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  position: relative;
  list-style: none;
}

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

.faq-question::after {
  content: "";
  position: absolute;
  right: 20px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--color-text-mute);
  border-bottom: 2px solid var(--color-text-mute);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-question::after {
  transform: translateY(-30%) rotate(-135deg);
}

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

.faq-answer {
  padding: 0 18px 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-text-soft);
  border-top: 1px solid var(--color-line);
  padding-top: 14px;
}

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

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

.error-panel {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: left;
  max-width: 720px;
}

.error-title {
  font-size: 28px;
  line-height: 1.4;
}

.error-text {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-text-soft);
}

.error-hint {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-text-mute);
}

.error-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-top: 24px;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
}

.error-action:hover,
.error-action:focus-visible {
  background-color: var(--color-primary-dark);
  color: #ffffff;
  text-decoration: none;
}

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

.error-links-title {
  font-size: 17px;
  line-height: 1.45;
  margin-bottom: 14px;
}

.error-links-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.error-links-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 700;
}

.error-links-item a {
  display: block;
  color: var(--color-text);
}

.error-links-item a:hover,
.error-links-item a:focus-visible {
  color: var(--color-primary);
}

/* ==========================================================================
   responsive — 平板与手机
   ========================================================================== */

@media (max-width: 1024px) {
  .genre-index-grid,
  .cover-wall-grid,
  .sample-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

@media (max-width: 900px) {
  .ranking-layout,
  .guide-layout,
  .page-layout.ranking-layout,
  .page-layout.guide-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

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

  .feedback-section .feedback-list,
  .rank-feedback .feedback-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 768px) {
  :root {
    --gutter: 16px;
  }

  .header-inner {
    min-height: 60px;
    flex-wrap: wrap;
    gap: 10px;
  }

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

  .site-nav {
    flex-basis: 100%;
    display: block;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 8px 0 12px;
    border-top: 1px solid var(--color-line);
  }

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

  .nav-link {
    padding: 12px 14px;
    font-size: 16px;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .hero-copy {
    padding: 48px var(--gutter) 40px;
  }

  .hero-title {
    font-size: 26px;
  }

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

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

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

  .genre-index,
  .cover-wall,
  .updates-list,
  .ranking-two-col,
  .guide-two-col,
  .site-index {
    padding-top: 36px;
  }

  .genre-index-grid,
  .cover-wall-grid,
  .sample-grid,
  .site-index-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .update-row {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "date status"
      "name name"
      "genre chapter";
    gap: 4px 10px;
    padding: 14px 16px;
  }

  .update-date {
    grid-area: date;
  }

  .update-name {
    grid-area: name;
    font-size: 15px;
  }

  .update-genre {
    grid-area: genre;
  }

  .update-chapter {
    grid-area: chapter;
    text-align: right;
  }

  .update-status {
    grid-area: status;
    text-align: right;
  }

  .updates-item {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "date status"
      "name name"
      "genre chapter";
    gap: 4px 10px;
    padding: 14px 16px;
  }

  .updates-date {
    grid-area: date;
  }

  .updates-name {
    grid-area: name;
    font-size: 15px;
  }

  .updates-genre {
    grid-area: genre;
  }

  .updates-chapter {
    grid-area: chapter;
    text-align: right;
  }

  .updates-status {
    grid-area: status;
    text-align: right;
  }

  .boundary-steps,
  .follow-steps,
  .relation-grid,
  .feedback-section .feedback-list,
  .rank-feedback .feedback-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .ranking-main .rank-item {
    grid-template-columns: 36px minmax(0, 1fr);
    padding: 14px;
  }

  .rank-item {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 10px;
  }

  .rank-genre {
    text-align: left;
    grid-column: 2;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
    padding: 32px var(--gutter) 22px;
  }

  .feedback-panel {
    padding: 18px;
  }

  .error-main {
    padding: 48px var(--gutter) 40px;
  }

  .error-panel {
    padding: 28px 22px;
  }
}

@media (max-width: 480px) {
  .brand-name {
    font-size: 17px;
  }

  .brand-slogan {
    font-size: 11px;
  }

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

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

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

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

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

  .genre-index-grid,
  .site-index-list,
  .error-links-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .genre-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .field-table {
    font-size: 13px;
  }

  .field-table th,
  .field-table td {
    padding: 9px 12px;
  }

  .field-table thead th,
  .field-table tbody th {
    white-space: normal;
  }

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

  .faq-answer {
    padding: 12px 16px 16px;
  }
}
/* ==========================================================================
   pages — 题材分类页
   ========================================================================== */
.genre-overview .section-intro {
  margin-bottom: 18px;
}
.genre-overview .genre-list {
  margin-top: 4px;
}
.genre-samples .sample-grid {
  margin-top: 4px;
}
.genre-samples .sample-more {
  align-items: center;
}
.genre-feedback .feedback-panel {
  margin-top: 4px;
}
@media (max-width: 900px) {
  .genre-samples .sample-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (max-width: 768px) {
  .genre-samples .sample-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .genre-row {
    padding: 16px;
  }
}
/* ==========================================================================
   pages — 最近更新页
   ========================================================================== */
.updates-list-section .section-lead {
  margin-bottom: 18px;
}
.field-notes-section .field-figure {
  margin-top: 4px;
}
.follow-notes-section .follow-figure {
  margin-top: 4px;
}
.feedback-section .feedback-item-title {
  font-size: 15px;
  line-height: 1.5;
  margin-bottom: 6px;
}
/* ==========================================================================
   pages — 人气榜单页
   ========================================================================== */
.rank-relation .relation-grid {
  margin-top: 20px;
}
.rank-feedback .feedback-lead {
  margin-bottom: 18px;
}
/* ==========================================================================
   pages — 阅读说明页
   ========================================================================== */
.guide-fields .field-table {
  margin-top: 4px;
}
.guide-side .step-list {
  margin-top: 4px;
}
.guide-side .feedback-list {
  margin-top: 12px;
  margin-bottom: 4px;
}