:root {
  --c-text: #1c2024;
  --c-text-2: #5a636b;
  --c-accent: #2f6f6a;
  --c-accent-soft: #e8f0ef;
  --c-bg: #ffffff;
  --c-bg-soft: #f7f8f8;
  --c-line: #e2e5e6;
  --c-cover: #eef0f0;
  --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --w-container: 1120px;
  --w-reading: 720px;
  --radius: 6px;
  --radius-sm: 4px;
}

/* ============ base ============ */

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text);
  background: var(--c-bg);
  font-variant-numeric: tabular-nums;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: 600;
  line-height: 1.4;
  color: var(--c-text);
}

p {
  margin: 0;
}

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

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

a:hover {
  text-decoration: underline;
}

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

figure {
  margin: 0;
}

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

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  color: inherit;
}

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

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

/* ============ layout ============ */

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

.site-header {
  border-bottom: 1px solid var(--c-line);
  background: var(--c-bg);
  position: relative;
  z-index: 20;
}

.header-inner {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.brand {
  font-size: 19px;
  font-weight: 600;
  color: var(--c-text);
  letter-spacing: 0.02em;
  white-space: nowrap;
  flex-shrink: 0;
}

.brand:hover {
  color: var(--c-accent);
  text-decoration: none;
}

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

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

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  font-size: 15px;
  color: var(--c-text-2);
  border-radius: var(--radius-sm);
}

.nav-link:hover {
  color: var(--c-text);
  text-decoration: none;
}

.nav-link.is-current {
  color: var(--c-accent);
  font-weight: 600;
  background: var(--c-accent-soft);
}

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

.nav-toggle:hover {
  background: var(--c-bg-soft);
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--c-text);
  border-radius: 1px;
}

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

.home-main {
  display: block;
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 0 24px;
}

.inner-main {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 0 24px 72px;
}

/* ============ components ============ */

.section-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--c-text);
}

.section-intro,
.section-note {
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-2);
}

.inline-link,
.text-link {
  color: var(--c-accent);
}

.inline-link:hover,
.text-link:hover {
  text-decoration: underline;
}

/* 面包屑 */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--c-text-2);
  padding: 20px 0 0;
}

.breadcrumb a {
  color: var(--c-text-2);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.breadcrumb a:hover {
  color: var(--c-accent);
  text-decoration: none;
}

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

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

/* 页面标题区 */

.page-header {
  padding: 8px 0 32px;
  border-bottom: 1px solid var(--c-line);
  margin-bottom: 40px;
}

.page-title {
  font-size: 34px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--c-text);
}

.page-description {
  margin-top: 14px;
  max-width: var(--w-reading);
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text-2);
}

/* 表格 */

.data-table,
.field-table {
  width: 100%;
  font-size: 15px;
  line-height: 1.7;
  border-top: 1px solid var(--c-line);
}

.data-table th,
.field-table th {
  text-align: left;
  font-weight: 600;
  font-size: 13px;
  color: var(--c-text-2);
  padding: 12px 16px 12px 0;
  border-bottom: 1px solid var(--c-line);
  white-space: nowrap;
}

.data-table td,
.field-table td {
  padding: 14px 16px 14px 0;
  border-bottom: 1px solid var(--c-line);
  vertical-align: top;
  color: var(--c-text);
}

.data-table td.field-name,
.field-table td.field-name {
  font-weight: 600;
  color: var(--c-text);
  white-space: nowrap;
}

.data-table td:last-child,
.data-table th:last-child,
.field-table td:last-child,
.field-table th:last-child {
  padding-right: 0;
}

.field-table-caption {
  caption-side: top;
  text-align: left;
  font-size: 13px;
  color: var(--c-text-2);
  padding-bottom: 10px;
}

/* FAQ */

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

.faq-question {
  display: block;
  padding: 16px 32px 16px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
  cursor: pointer;
  position: relative;
  min-height: 44px;
}

.faq-question::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--c-text-2);
  border-bottom: 1.5px solid var(--c-text-2);
  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(--c-accent);
}

.faq-answer {
  padding: 0 32px 18px 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-2);
}

/* ============ pages ============ */

/* ---------- 首页 ---------- */

.site-factbar {
  font-size: 13px;
  color: var(--c-text-2);
  background: var(--c-bg-soft);
  border-bottom: 1px solid var(--c-line);
  text-align: center;
  padding: 8px 24px;
}

.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 640px) minmax(0, 440px);
  gap: 48px;
  padding: 48px 0 56px;
  border-bottom: 1px solid var(--c-line);
}

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

.hero-lead .page-title {
  font-size: 34px;
  font-weight: 600;
  line-height: 1.35;
}

.hero-summary {
  margin-top: 18px;
  max-width: 620px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text-2);
}

.hero-entry-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.hero-entry-list li {
  min-width: 0;
}

.entry-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  font-size: 15px;
  color: var(--c-text);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-bg);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.entry-link:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
  text-decoration: none;
}

.hero-aside {
  min-width: 0;
  padding-left: 40px;
  border-left: 1px solid var(--c-line);
}

.hero-aside-title {
  font-size: 18px;
  font-weight: 600;
}

.hero-aside-text {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-2);
}

.hero-media {
  margin-top: 22px;
}

.hero-media img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--c-cover);
}

.hero-media figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--c-text-2);
}

.home-section {
  padding: 56px 0;
  border-bottom: 1px solid var(--c-line);
}

.home-section:last-of-type {
  border-bottom: none;
}

/* 题材方向总览 */

.genre-columns {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.genre-column {
  min-width: 0;
  padding: 22px 20px;
  background: var(--c-bg-soft);
  border-radius: var(--radius);
  border: 1px solid var(--c-line);
}

.genre-name {
  font-size: 17px;
  font-weight: 600;
}

.genre-desc {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-2);
}

.genre-samples {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sample-link {
  display: block;
  font-size: 14px;
  color: var(--c-accent);
  min-height: 32px;
  line-height: 32px;
}

.sample-link:hover {
  text-decoration: underline;
}

/* 封面墙 */

.cover-wall {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px 24px;
  margin-top: 32px;
}

.cover-card {
  min-width: 0;
}

.cover-link {
  display: block;
  color: var(--c-text);
}

.cover-link:hover {
  text-decoration: none;
}

.cover-img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--c-cover);
  transition: outline-color 0.2s ease;
}

.cover-link:hover .cover-img {
  outline: 2px solid var(--c-accent);
  outline-offset: -2px;
}

.cover-name {
  margin-top: 12px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
}

.cover-link:hover .cover-name {
  color: var(--c-accent);
}

.cover-meta {
  margin-top: 6px;
  display: flex;
  gap: 12px;
  font-size: 13px;
  color: var(--c-text-2);
}

.cover-genre {
  color: var(--c-text-2);
}

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

/* 最近更新目录 */

.update-list {
  margin-top: 28px;
  border-top: 1px solid var(--c-line);
}

.update-row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1.4fr) 100px minmax(0, 2fr);
  gap: 20px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 15px;
}

.update-date {
  font-size: 13px;
  color: var(--c-text-2);
}

.update-name {
  font-weight: 600;
  color: var(--c-text);
}

.update-genre {
  font-size: 13px;
  color: var(--c-accent);
}

.update-note {
  font-size: 14px;
  color: var(--c-text-2);
}

/* 人气榜单与编辑专题 */

.ranking-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  margin-top: 32px;
}

.ranking-column,
.topic-column {
  min-width: 0;
}

.column-title {
  font-size: 17px;
  font-weight: 600;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-line);
}

.ranking-column .rank-list {
  margin-top: 4px;
}

.rank-row {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) 80px;
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 15px;
}

.rank-num {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-accent);
}

.rank-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
}

.rank-genre {
  font-size: 13px;
  color: var(--c-text-2);
  text-align: right;
}

.topic-card {
  margin-top: 18px;
  padding: 18px 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.topic-name {
  font-size: 16px;
  font-weight: 600;
}

.topic-desc {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-2);
}

.topic-scope {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--c-line);
  font-size: 13px;
  color: var(--c-text-2);
}

/* 阅读说明摘要与内容反馈 */

.guide-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  margin-top: 32px;
}

.guide-column,
.feedback-column {
  min-width: 0;
}

.field-summary {
  margin: 4px 0 0;
}

.field-summary .field-name {
  margin-top: 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
}

.field-summary .field-desc {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-2);
}

.feedback-text {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-2);
}

.feedback-column .feedback-list {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.feedback-column .feedback-list li {
  min-height: 36px;
  display: flex;
  align-items: center;
}

/* 站内栏目索引 */

.index-columns {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.index-column {
  min-width: 0;
  padding-top: 18px;
  border-top: 2px solid var(--c-text);
}

.index-name {
  font-size: 16px;
  font-weight: 600;
}

.index-link {
  color: var(--c-text);
}

.index-link:hover {
  color: var(--c-accent);
  text-decoration: none;
}

.index-desc {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-2);
}

/* ---------- 题材分类内页 ---------- */

.genre-group {
  margin-bottom: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--c-line);
}

.genre-group:last-of-type {
  border-bottom: none;
}

.genre-group-head {
  max-width: var(--w-reading);
  margin-bottom: 26px;
}

.genre-group-head .genre-desc {
  margin-top: 10px;
  font-size: 15px;
  color: var(--c-text-2);
}

.genre-entries {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.entry-row {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-bg);
}

.entry-cover {
  width: 100%;
}

.entry-cover img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--c-cover);
}

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

.entry-name {
  font-size: 17px;
  font-weight: 600;
}

.entry-meta {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-size: 13px;
  color: var(--c-text-2);
}

.meta-genre {
  color: var(--c-accent);
}

.meta-status {
  color: var(--c-text-2);
}

.meta-date {
  color: var(--c-text-2);
}

.entry-note {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-2);
}

.field-table {
  margin-top: 8px;
}

.field-lead {
  margin-top: 8px;
  font-size: 15px;
  color: var(--c-text-2);
}

.related-links {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--c-line);
}

.related-lead {
  margin-top: 8px;
  font-size: 15px;
  color: var(--c-text-2);
}

.related-list {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px 24px;
}

.related-item {
  min-width: 0;
}

.related-link {
  display: block;
  min-height: 44px;
  line-height: 44px;
  font-size: 15px;
  color: var(--c-accent);
  border-bottom: 1px solid var(--c-line);
}

.related-link:hover {
  text-decoration: none;
  border-bottom-color: var(--c-accent);
}

/* ---------- 最近更新内页 ---------- */

.page-layout.layout-shell {
  display: block;
}

.updates-filter {
  margin-bottom: 40px;
}

.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.filter-tag {
  min-width: 0;
}

.filter-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  font-size: 14px;
  color: var(--c-text-2);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.filter-link:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
  text-decoration: none;
}

.filter-tag.is-active .filter-link {
  color: var(--c-accent);
  border-color: var(--c-accent);
  background: var(--c-accent-soft);
  font-weight: 600;
}

.updates-records {
  margin-bottom: 48px;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--c-line);
}

.record-list {
  margin-top: 4px;
}

.record-item {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--c-line);
}

.record-thumb {
  width: 88px;
}

.record-thumb img {
  width: 88px;
  height: 116px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--c-cover);
}

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

.record-date {
  font-size: 13px;
  color: var(--c-text-2);
}

.record-name {
  margin-top: 6px;
  font-size: 17px;
  font-weight: 600;
}

.record-meta {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-size: 13px;
  color: var(--c-text-2);
}

.record-genre {
  color: var(--c-accent);
}

.record-state {
  color: var(--c-text-2);
}

.record-note {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-2);
}

.updates-pace {
  padding-top: 40px;
  border-top: 1px solid var(--c-line);
}

.pace-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.pace-column {
  min-width: 0;
  padding: 20px;
  background: var(--c-bg-soft);
  border-radius: var(--radius);
  border: 1px solid var(--c-line);
}

.pace-name {
  font-size: 16px;
  font-weight: 600;
}

.pace-text {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-2);
}

/* ---------- 人气榜单内页 ---------- */

.container {
  min-width: 0;
}

.ranking-section {
  margin-bottom: 56px;
}

.ranking-section .rank-list {
  margin-top: 24px;
  border-top: 1px solid var(--c-line);
}

.rank-item {
  display: grid;
  grid-template-columns: 40px 72px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid var(--c-line);
}

.rank-index {
  font-size: 20px;
  font-weight: 600;
  color: var(--c-accent);
  line-height: 1.4;
}

.rank-cover {
  width: 72px;
}

.rank-cover img {
  width: 72px;
  height: 96px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--c-cover);
}

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

.rank-body .rank-name {
  font-size: 17px;
  font-weight: 600;
}

.rank-meta {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-size: 13px;
  color: var(--c-text-2);
}

.rank-reason {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-2);
}

.section-tail {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 15px;
}

.topic-section {
  padding-top: 40px;
  border-top: 1px solid var(--c-line);
}

.topic-list {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.topic-section .topic-card {
  margin-top: 0;
  padding: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.topic-media {
  width: 100%;
}

.topic-media img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background: var(--c-cover);
}

.topic-body {
  min-width: 0;
  padding: 18px 20px 20px;
}

/* ---------- 阅读说明内页 ---------- */

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

.guide-section {
  margin-bottom: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--c-line);
}

.guide-section:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.guide-fields-body {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
  margin-top: 24px;
}

.guide-figure {
  width: 100%;
  min-width: 0;
}

.guide-figure img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--c-cover);
}

.guide-figure-caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-2);
}

.guide-fields .field-table {
  margin-top: 0;
}

.order-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.order-step {
  min-width: 0;
  padding: 22px 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-bg-soft);
}

.order-step-index {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-accent);
  letter-spacing: 0.04em;
}

.order-step-title {
  margin-top: 10px;
  font-size: 17px;
  font-weight: 600;
}

.order-step-text {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-2);
}

.order-step-link {
  margin-top: 14px;
  font-size: 14px;
}

.guide-feedback .feedback-list {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 32px;
}

.guide-feedback .feedback-item {
  min-width: 0;
  padding-top: 16px;
  border-top: 1px solid var(--c-line);
}

.guide-feedback .feedback-title {
  font-size: 16px;
  font-weight: 600;
}

.guide-feedback .feedback-text {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-2);
}

.feedback-note {
  margin-top: 24px;
  padding: 16px 20px;
  background: var(--c-bg-soft);
  border-left: 3px solid var(--c-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-2);
}

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

.guide-faq .faq-item:first-of-type {
  border-top: 1px solid var(--c-line);
}

/* ---------- 404 ---------- */

.error-main {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 72px 24px 80px;
}

.error-panel {
  max-width: var(--w-reading);
}

.error-code {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-accent);
  letter-spacing: 0.08em;
}

.error-panel h1 {
  margin-top: 12px;
  font-size: 34px;
  font-weight: 600;
  line-height: 1.3;
}

.error-text {
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text-2);
}

.error-action {
  margin-top: 28px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 24px;
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  background: var(--c-accent);
  border-radius: var(--radius);
}

.btn-primary:hover {
  text-decoration: none;
  background: #265a56;
}

.error-links {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--c-line);
}

.error-links h2 {
  font-size: 22px;
  font-weight: 600;
}

.error-link-list {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px 24px;
}

.error-link {
  display: block;
  min-height: 44px;
  line-height: 44px;
  font-size: 15px;
  color: var(--c-accent);
  border-bottom: 1px solid var(--c-line);
}

.error-link:hover {
  text-decoration: none;
  border-bottom-color: var(--c-accent);
}

/* ============ footer ============ */

.site-footer {
  flex-shrink: 0;
  margin-top: 72px;
  border-top: 1px solid var(--c-line);
  background: var(--c-bg-soft);
  color: var(--c-text-2);
  font-size: 14px;
}

.footer-inner {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr));
  gap: 40px;
}

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

.footer-brand-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--c-text);
}

.footer-brand-text {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-2);
}

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

.footer-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
}

.footer-list {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: 14px;
  color: var(--c-text-2);
}

.footer-link:hover {
  color: var(--c-accent);
  text-decoration: none;
}

.footer-copyright {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 20px 24px 32px;
  border-top: 1px solid var(--c-line);
  font-size: 13px;
  color: var(--c-text-2);
}

/* ============ responsive ============ */

@media (max-width: 1024px) {
  .home-hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 360px);
    gap: 36px;
  }

  .hero-aside {
    padding-left: 28px;
  }

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

  .cover-wall {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px 20px;
  }

  .cover-img {
    height: 200px;
  }

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

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

  .index-columns {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px 24px;
  }

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

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    padding: 0 16px;
    height: 60px;
    gap: 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-left: 0;
    background: var(--c-bg);
    border-bottom: 1px solid var(--c-line);
    padding: 8px 16px 16px;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

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

  .nav-link {
    min-height: 44px;
    padding: 0 12px;
    font-size: 15px;
  }

  .home-main,
  .inner-main,
  .error-main {
    padding-left: 16px;
    padding-right: 16px;
  }

  .site-factbar {
    padding: 8px 16px;
    text-align: left;
  }

  .home-hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    padding: 32px 0 40px;
  }

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

  .hero-aside {
    padding-left: 0;
    padding-top: 28px;
    border-left: none;
    border-top: 1px solid var(--c-line);
  }

  .hero-media img {
    height: 200px;
  }

  .home-section {
    padding: 40px 0;
  }

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

  .page-header {
    padding: 4px 0 24px;
    margin-bottom: 32px;
  }

  .genre-columns {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    margin-top: 24px;
  }

  .cover-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 16px;
    margin-top: 24px;
  }

  .cover-img {
    height: 180px;
  }

  .update-list {
    margin-top: 20px;
  }

  .update-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
    padding: 16px 0;
  }

  .update-date {
    order: 1;
  }

  .update-name {
    order: 2;
  }

  .update-genre {
    order: 3;
  }

  .update-note {
    order: 4;
    margin-top: 4px;
  }

  .ranking-columns,
  .guide-columns {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
    margin-top: 24px;
  }

  .rank-row {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 4px 12px;
  }

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

  .index-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 20px;
    margin-top: 24px;
  }

  .genre-group {
    margin-bottom: 36px;
    padding-bottom: 28px;
  }

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

  .entry-cover img {
    height: 220px;
  }

  .related-list,
  .guide-related .related-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .updates-filter {
    margin-bottom: 32px;
  }

  .record-item {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 16px;
    padding: 18px 0;
  }

  .record-thumb,
  .record-thumb img {
    width: 64px;
  }

  .record-thumb img {
    height: 86px;
  }

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

  .rank-item {
    grid-template-columns: 32px 60px minmax(0, 1fr);
    gap: 14px;
    padding: 18px 0;
  }

  .rank-index {
    font-size: 18px;
  }

  .rank-cover,
  .rank-cover img {
    width: 60px;
  }

  .rank-cover img {
    height: 80px;
  }

  .topic-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .guide-fields-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .guide-figure img {
    height: 200px;
  }

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

  .guide-feedback .feedback-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .error-main {
    padding-top: 48px;
    padding-bottom: 56px;
  }

  .error-panel h1 {
    font-size: 26px;
  }

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

  .site-footer {
    margin-top: 48px;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding: 36px 16px 24px;
  }

  .footer-copyright {
    padding: 18px 16px 28px;
  }

  .data-table,
  .field-table {
    font-size: 14px;
  }

  .data-table th,
  .field-table th,
  .data-table td,
  .field-table td {
    padding-right: 10px;
  }
}

@media (max-width: 480px) {
  .cover-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 12px;
  }

  .cover-img {
    height: 150px;
  }

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

  .cover-meta {
    flex-direction: column;
    gap: 2px;
  }

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

  .entry-link {
    padding: 0 14px;
    font-size: 14px;
  }

  .hero-media img {
    height: 170px;
  }
}