/* ==========================================================================
   汗汗漫画 lovts.cn — 全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================================== */

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

:root {
  --bg-page: #f5f6f4;
  --bg-surface: #ffffff;
  --bg-soft: #eef1ee;
  --ink-strong: #1f2422;
  --ink-body: #333a37;
  --ink-muted: #5d6663;
  --brand: #2f6f5e;
  --brand-dark: #245446;
  --line: #dfe3e0;
  --line-strong: #c6ccc8;
  --radius: 6px;
  --radius-sm: 4px;
  --shadow-card: 0 1px 2px rgba(31, 36, 34, 0.06);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", "JetBrains Mono", Consolas, "Liberation Mono", Menlo, monospace;
  --wrap: 1120px;
  --gap: 24px;
}

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

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

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

h1, h2, h3, h4 {
  margin: 0;
  color: var(--ink-strong);
  font-weight: 700;
  line-height: 1.35;
}

p {
  margin: 0;
}

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

dl, dd, dt, figure, figcaption {
  margin: 0;
}

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

a:hover {
  color: var(--brand-dark);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

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

button {
  font: inherit;
  color: inherit;
}

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

/* --------------------------------------------------------------------------
   layout — 骨架：site-body / header / nav / main / footer
   -------------------------------------------------------------------------- */

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

.site-header {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 62px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand {
  flex: 0 0 auto;
  color: var(--ink-strong);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0;
  padding: 8px 0;
}

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

.site-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
}

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

.nav-list > li > a {
  display: block;
  padding: 10px 13px;
  color: var(--ink-body);
  font-size: 15px;
  border-radius: var(--radius-sm);
  border-bottom: 2px solid transparent;
}

.nav-list > li > a:hover {
  color: var(--brand);
  background-color: var(--bg-soft);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 11px;
  background-color: var(--bg-surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--ink-strong);
  border-radius: 2px;
}

.site-main {
  flex: 1 1 auto;
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 32px 24px 56px;
}

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

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-muted);
  margin-bottom: 18px;
}

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

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

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

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

/* 页面标题区（内页统一） */
.page-header {
  padding-bottom: 22px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--line);
}

.page-title {
  font-size: 30px;
  line-height: 1.3;
}

.page-description {
  margin-top: 12px;
  max-width: 860px;
  color: var(--ink-muted);
  font-size: 15px;
}

/* 通用区块标题 */
.section-title {
  font-size: 22px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--line);
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 52px;
  height: 2px;
  background-color: var(--brand);
}

.section-lead,
.section-intro {
  margin-top: 12px;
  margin-bottom: 22px;
  color: var(--ink-muted);
  font-size: 15px;
  max-width: 880px;
}

/* 页脚 */
.site-footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--line);
  margin-top: auto;
}

.footer-inner {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 36px 24px 28px;
}

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

.footer-title {
  font-size: 15px;
  padding-bottom: 8px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

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

.footer-list a {
  color: var(--ink-muted);
  font-size: 14px;
}

.footer-list a:hover {
  color: var(--brand);
}

.footer-brand {
  margin-top: 26px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--ink-strong);
  font-size: 14px;
  font-weight: 700;
}

.footer-copy {
  margin-top: 6px;
  color: var(--ink-muted);
  font-size: 13px;
}

/* --------------------------------------------------------------------------
   components — 全站复用组件
   -------------------------------------------------------------------------- */

/* 字段标签 */
.field-tag {
  display: inline-block;
  padding: 1px 8px;
  background-color: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--ink-muted);
  font-size: 12px;
  line-height: 1.7;
  white-space: nowrap;
}

/* 更多入口 */
.col-more {
  margin-top: 16px;
}

.more-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

.more-link:hover {
  border-bottom-color: var(--brand);
}

/* 栏目标题（并列区内部） */
.col-title {
  font-size: 17px;
  margin-bottom: 14px;
  padding-left: 10px;
  border-left: 3px solid var(--brand);
}

/* FAQ 折叠 */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.faq-question {
  position: relative;
  padding: 14px 44px 14px 16px;
  min-height: 44px;
  display: flex;
  align-items: center;
  color: var(--ink-strong);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--brand);
  font-size: 19px;
  font-weight: 700;
  line-height: 1;
}

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

.faq-item[open] .faq-question {
  border-bottom: 1px solid var(--line);
}

.faq-answer {
  padding: 14px 16px 16px;
  color: var(--ink-muted);
  font-size: 15px;
}

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

/* 步骤列表（内页通用，父级限定避免互相污染） */
.step-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  counter-reset: step;
}

.step-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow-card);
}

.step-no,
.step-index {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background-color: var(--bg-soft);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--brand);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.step-title,
.step-name {
  font-size: 16px;
  margin-bottom: 6px;
}

.step-text,
.step-desc {
  color: var(--ink-muted);
  font-size: 15px;
}

/* --------------------------------------------------------------------------
   pages — 首页
   -------------------------------------------------------------------------- */

.fact-bar {
  background-color: var(--bg-soft);
  border-bottom: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: 13px;
  text-align: center;
  padding: 8px 24px;
}

/* 首屏查阅区 */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 36px;
  align-items: start;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}

.hero-title {
  font-size: 30px;
  line-height: 1.35;
}

.hero-summary {
  margin-top: 16px;
  color: var(--ink-body);
  font-size: 16px;
}

.hero-note {
  margin-top: 10px;
  color: var(--ink-muted);
  font-size: 14px;
}

.hero-paths {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.path-link {
  display: block;
  padding: 11px 14px;
  min-height: 44px;
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius-sm);
  color: var(--ink-strong);
  font-size: 15px;
  font-weight: 700;
  box-shadow: var(--shadow-card);
}

.path-link:hover {
  border-color: var(--brand);
  border-left-color: var(--brand-dark);
  color: var(--brand);
}

.hero-media {
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  box-shadow: var(--shadow-card);
}

.hero-media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background-color: var(--bg-soft);
}

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

/* 通用区块间距 */
.genres,
.covers,
.duo,
.field-summary,
.site-index {
  padding-top: 44px;
}

/* 题材方向总览 */
.genre-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--gap);
}

.genre-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 16px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}

.genre-no {
  display: inline-block;
  align-self: flex-start;
  padding: 1px 8px;
  background-color: var(--bg-soft);
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  color: var(--brand);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.genre-name {
  margin-top: 10px;
  font-size: 17px;
}

.genre-desc {
  margin-top: 10px;
  color: var(--ink-muted);
  font-size: 14px;
}

.genre-samples {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.genre-samples li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 32px;
}

.genre-samples a {
  font-size: 14px;
  font-weight: 700;
}

/* 封面条目速览 */
.cover-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  align-items: start;
}

.cover-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.cover-card:hover {
  border-color: var(--brand);
  box-shadow: 0 3px 10px rgba(47, 111, 94, 0.12);
}

.cover-media img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background-color: var(--bg-soft);
}

.cover-name {
  margin-top: 12px;
  font-size: 16px;
}

.cover-meta {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* 更新记录与人气榜单并列区 */
.duo-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 32px;
  align-items: start;
}

.duo-col {
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-card);
  min-width: 0;
}

.update-list {
  display: flex;
  flex-direction: column;
}

.update-row {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr) auto;
  grid-template-areas:
    "date name tag"
    "date note note";
  gap: 4px 12px;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
}

.update-row:last-child {
  border-bottom: 0;
}

.update-date {
  grid-area: date;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 13px;
}

.update-name {
  grid-area: name;
  color: var(--ink-strong);
  font-size: 15px;
  font-weight: 700;
}

.update-row .field-tag {
  grid-area: tag;
}

.update-note {
  grid-area: note;
  color: var(--ink-muted);
  font-size: 13px;
}

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

.rank-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  grid-template-areas:
    "no name tag"
    "no note note";
  gap: 4px 12px;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
}

.rank-row:last-child {
  border-bottom: 0;
}

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

.rank-name {
  grid-area: name;
  color: var(--ink-strong);
  font-size: 15px;
  font-weight: 700;
}

.rank-row .field-tag {
  grid-area: tag;
}

.rank-note {
  grid-area: note;
  color: var(--ink-muted);
  font-size: 13px;
}

/* 字段口径与收录边界摘要 */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  align-items: start;
}

.summary-col {
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-card);
  min-width: 0;
}

.field-list {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 8px 14px;
}

.field-list dt {
  color: var(--brand);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  padding-top: 2px;
}

.field-list dd {
  color: var(--ink-muted);
  font-size: 14px;
}

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

.boundary-item {
  position: relative;
  padding-left: 18px;
  color: var(--ink-muted);
  font-size: 14px;
}

.boundary-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  background-color: var(--brand);
  border-radius: 50%;
}

/* 站内栏目索引 */
.index-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--gap);
}

.index-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow-card);
}

.index-item a {
  display: inline-block;
  font-size: 16px;
  font-weight: 700;
}

.index-note {
  margin-top: 8px;
  color: var(--ink-muted);
  font-size: 13px;
}

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

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

.genre-group {
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-card);
  min-width: 0;
}

.genre-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.genre-head .genre-name {
  margin-top: 0;
  font-size: 18px;
}

.genre-group .genre-cover {
  margin-top: 14px;
}

.genre-group .genre-cover img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background-color: var(--bg-soft);
}

.genre-group .genre-cover figcaption {
  margin-top: 8px;
  color: var(--ink-muted);
  font-size: 13px;
}

.genre-group .genre-desc {
  margin-top: 12px;
}

.genre-meta {
  margin-top: 14px;
  padding: 12px 0;
  border-top: 1px dashed var(--line);
  border-bottom: 1px dashed var(--line);
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 6px 14px;
}

.genre-meta dt {
  color: var(--brand);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.genre-meta dd {
  color: var(--ink-muted);
  font-size: 14px;
}

.genre-items {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.genre-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
}

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

.item-name {
  color: var(--ink-strong);
  font-size: 15px;
  font-weight: 700;
}

.item-tag {
  padding: 1px 8px;
  background-color: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--ink-muted);
  font-size: 12px;
}

.item-status {
  margin-left: auto;
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
}

/* 字段速览 */
.field-glance {
  padding-top: 44px;
}

.field-glance-rows {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.field-glance-row {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 18px;
  box-shadow: var(--shadow-card);
}

.field-name {
  color: var(--brand);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  padding-top: 2px;
}

.field-text {
  color: var(--ink-muted);
  font-size: 15px;
}

/* 挑选路径 */
.pick-path {
  padding-top: 44px;
}

/* 题材 FAQ */
.faq-block {
  padding-top: 44px;
}

/* --------------------------------------------------------------------------
   pages — 最近更新
   -------------------------------------------------------------------------- */

.log-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
  align-items: start;
}

.log-group {
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-card);
  min-width: 0;
}

.log-date {
  font-size: 16px;
  padding-bottom: 10px;
  margin-bottom: 6px;
  border-bottom: 2px solid var(--line);
  color: var(--brand);
  font-family: var(--font-mono);
}

.log-list {
  display: flex;
  flex-direction: column;
}

.log-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "name genre"
    "note note";
  gap: 3px 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
}

.log-row:last-child {
  border-bottom: 0;
}

.log-name {
  grid-area: name;
  color: var(--ink-strong);
  font-size: 15px;
  font-weight: 700;
}

.log-genre {
  grid-area: genre;
  color: var(--ink-muted);
  font-size: 13px;
  white-space: nowrap;
}

.log-note {
  grid-area: note;
  color: var(--ink-muted);
  font-size: 13px;
}

/* 更新集中作品 */
.updates-feature {
  padding-top: 44px;
}

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

.feature-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  box-shadow: var(--shadow-card);
  min-width: 0;
}

.feature-card img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background-color: var(--bg-soft);
}

.feature-caption {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.feature-name {
  color: var(--ink-strong);
  font-size: 16px;
  font-weight: 700;
}

.feature-genre {
  padding: 1px 8px;
  background-color: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--ink-muted);
  font-size: 12px;
}

.feature-note {
  flex: 1 1 100%;
  color: var(--ink-muted);
  font-size: 13px;
}

/* 记录口径 */
.log-scope {
  padding-top: 44px;
}

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

.scope-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-card);
  min-width: 0;
}

.scope-name {
  font-size: 16px;
  margin-bottom: 8px;
}

.scope-text {
  color: var(--ink-muted);
  font-size: 14px;
}

/* 更新节奏建议 */
.rhythm-guide {
  padding-top: 44px;
}

.rhythm-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
}

.rhythm-step {
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-card);
  min-width: 0;
}

.rhythm-step .step-index {
  margin-bottom: 12px;
}

.rhythm-step .step-name {
  font-size: 16px;
  margin-bottom: 8px;
}

.rhythm-step .step-text {
  color: var(--ink-muted);
  font-size: 14px;
}

/* 相关入口 */
.related-entries {
  padding-top: 44px;
}

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

.related-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-card);
  min-width: 0;
}

.related-link {
  display: inline-block;
  font-size: 16px;
  font-weight: 700;
}

.related-text {
  margin-top: 8px;
  color: var(--ink-muted);
  font-size: 14px;
}

.related-foot {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.related-foot a {
  font-size: 14px;
  font-weight: 700;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

.related-foot a:hover {
  border-bottom-color: var(--brand);
}

/* --------------------------------------------------------------------------
   pages — 人气榜单
   -------------------------------------------------------------------------- */

.rank-section .rank-list {
  gap: 14px;
}

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

.rank-entry {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow-card);
}

.rank-cover img {
  width: 148px;
  height: 110px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background-color: var(--bg-soft);
}

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

.rank-position {
  display: inline-block;
  padding: 1px 9px;
  background-color: var(--bg-soft);
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  color: var(--brand);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.rank-entry .rank-name {
  margin-top: 10px;
  font-size: 18px;
}

.rank-genre {
  margin-top: 6px;
  color: var(--ink-muted);
  font-size: 13px;
}

.rank-reason {
  margin-top: 10px;
  color: var(--ink-muted);
  font-size: 15px;
}

/* 排序依据 */
.rank-basis {
  padding-top: 44px;
}

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

.basis-item {
  position: relative;
  padding: 12px 18px 12px 40px;
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink-body);
  font-size: 15px;
  box-shadow: var(--shadow-card);
}

.basis-item::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 21px;
  width: 8px;
  height: 8px;
  background-color: var(--brand);
  border-radius: 2px;
}

.basis-note {
  margin-top: 16px;
  padding: 14px 18px;
  background-color: var(--bg-soft);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius-sm);
  color: var(--ink-muted);
  font-size: 14px;
}

/* 榜单与其他栏目 */
.rank-relation {
  padding-top: 44px;
}

.relation-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
}

.relation-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-card);
  min-width: 0;
}

.relation-title {
  font-size: 16px;
  margin-bottom: 10px;
}

.relation-text {
  color: var(--ink-muted);
  font-size: 14px;
}

/* 榜单 FAQ */
.rank-faq {
  padding-top: 44px;
}

.rank-faq .faq-item {
  background-color: var(--bg-surface);
}

.rank-faq .faq-answer {
  padding: 14px 16px 16px;
  color: var(--ink-muted);
  font-size: 15px;
}

/* --------------------------------------------------------------------------
   pages — 条目字段说明
   -------------------------------------------------------------------------- */

.field-glossary .field-sample {
  margin-bottom: 24px;
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  box-shadow: var(--shadow-card);
  max-width: 460px;
}

.field-glossary .field-sample img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background-color: var(--bg-soft);
}

.field-glossary .field-sample figcaption {
  margin-top: 10px;
  color: var(--ink-muted);
  font-size: 13px;
}

.glossary-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--bg-surface);
  box-shadow: var(--shadow-card);
}

.glossary-item {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 18px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  min-width: 0;
}

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

.glossary-item:nth-child(odd) {
  background-color: #fbfcfb;
}

.glossary-term {
  color: var(--brand);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  padding-top: 3px;
}

.glossary-desc {
  color: var(--ink-muted);
  font-size: 15px;
}

/* 收录边界 */
.scope-boundary {
  padding-top: 44px;
}

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

.scope-column {
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-card);
  min-width: 0;
}

.scope-heading {
  font-size: 16px;
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 2px solid var(--line);
}

.scope-include .scope-heading {
  border-bottom-color: var(--brand);
}

.scope-exclude .scope-heading {
  border-bottom-color: var(--line-strong);
}

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

.scope-column .scope-list li {
  position: relative;
  padding-left: 20px;
  color: var(--ink-muted);
  font-size: 15px;
}

.scope-include .scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background-color: var(--brand);
  border-radius: 50%;
}

.scope-exclude .scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background-color: var(--line-strong);
  border-radius: 2px;
}

/* 阅读顺序 */
.reading-order {
  padding-top: 44px;
}

.reading-order .step-item {
  grid-template-columns: 44px minmax(0, 1fr);
}

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

.related-links {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
}

.related-links a {
  font-size: 14px;
  font-weight: 700;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

.related-links a:hover {
  border-bottom-color: var(--brand);
}

/* 字段 FAQ */
.field-faq {
  padding-top: 44px;
}

/* --------------------------------------------------------------------------
   pages — 404
   -------------------------------------------------------------------------- */

.error-main {
  padding-top: 44px;
}

.error-panel {
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 32px;
  box-shadow: var(--shadow-card);
  text-align: left;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 42px;
  font-weight: 700;
  color: var(--brand);
  line-height: 1;
}

.error-panel h1 {
  margin-top: 14px;
  font-size: 26px;
}

.error-text {
  margin-top: 12px;
  max-width: 640px;
  color: var(--ink-muted);
  font-size: 15px;
}

.error-hint-list {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.error-hint-list li {
  position: relative;
  padding-left: 20px;
  color: var(--ink-muted);
  font-size: 15px;
}

.error-hint-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background-color: var(--brand);
  border-radius: 50%;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

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

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

.btn-ghost {
  background-color: var(--bg-surface);
  color: var(--ink-strong);
}

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

.error-links {
  padding-top: 40px;
}

.error-links h2 {
  font-size: 20px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--line);
  margin-bottom: 20px;
}

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

.error-link-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-card);
  min-width: 0;
}

.error-link-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.error-link-card p {
  color: var(--ink-muted);
  font-size: 14px;
}

/* --------------------------------------------------------------------------
   responsive — 1024px / 768px / 480px
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }

  .hero-media img {
    height: 260px;
  }

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

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

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

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

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

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

@media (max-width: 768px) {
  .header-inner {
    padding: 0 16px;
    min-height: 58px;
    gap: 12px;
    flex-wrap: wrap;
  }

  .site-nav {
    flex: 1 1 100%;
    order: 3;
  }

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

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    padding: 8px 0 12px;
    border-top: 1px solid var(--line);
  }

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

  .nav-list > li > a {
    min-height: 44px;
    display: flex;
    align-items: center;
    padding: 10px 4px;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }

  .nav-list > li > a.is-current {
    border-bottom-color: var(--line);
    background-color: var(--bg-soft);
    padding-left: 10px;
  }

  .site-main {
    padding: 24px 16px 44px;
  }

  .inner-main {
    padding-top: 16px;
  }

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

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

  .page-header {
    padding-bottom: 18px;
    margin-bottom: 24px;
  }

  .footer-inner {
    padding: 28px 16px 22px;
  }

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

  .genre-grid,
  .cover-grid,
  .summary-grid,
  .log-groups,
  .feature-grid,
  .related-list,
  .scope-columns,
  .scope-list,
  .rhythm-steps,
  .relation-grid,
  .index-list,
  .error-link-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .genres,
  .covers,
  .duo,
  .field-summary,
  .site-index,
  .field-glance,
  .pick-path,
  .faq-block,
  .updates-feature,
  .log-scope,
  .rhythm-guide,
  .related-entries,
  .rank-basis,
  .rank-relation,
  .rank-faq,
  .scope-boundary,
  .reading-order,
  .field-faq {
    padding-top: 34px;
  }

  .hero-media img {
    height: 210px;
  }

  .cover-media img {
    height: 190px;
  }

  .feature-card img,
  .field-glossary .field-sample img {
    height: 190px;
  }

  .rank-entry {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .rank-cover img {
    width: 100%;
    height: 180px;
  }

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

  .field-list,
  .genre-meta {
    grid-template-columns: 88px minmax(0, 1fr);
  }

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

  .update-row {
    grid-template-columns: 78px minmax(0, 1fr);
    grid-template-areas:
      "date name"
      "date tag"
      "date note";
    align-items: start;
  }

  .rank-row {
    grid-template-columns: 28px minmax(0, 1fr);
    grid-template-areas:
      "no name"
      "no tag"
      "no note";
    align-items: start;
  }

  .error-panel {
    padding: 26px 20px;
  }

  .error-code {
    font-size: 34px;
  }

  .error-panel h1 {
    font-size: 22px;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  .brand {
    font-size: 17px;
  }

  .hero-paths {
    gap: 8px;
  }

  .duo-col,
  .summary-col,
  .genre-card,
  .genre-group,
  .scope-column,
  .related-item,
  .relation-item,
  .rhythm-step,
  .scope-item,
  .error-link-card {
    padding: 16px 14px;
  }

  .hero-media img {
    height: 180px;
  }

  .cover-media img {
    height: 175px;
  }

  .genre-group .genre-cover img {
    height: 150px;
  }

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

  .field-list dd,
  .genre-meta dd {
    margin-bottom: 6px;
  }

  .step-item,
  .reading-order .step-item {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 10px;
    padding: 14px;
  }

  .step-no,
  .step-index {
    width: 30px;
    height: 30px;
    font-size: 12px;
  }

  .error-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}

/* 动效增强，不影响初始可见性 */
@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}