/* ============================================================
   羞羞漫画 · hugsr.cn
   base / layout / components / pages / responsive
   ============================================================ */

/* ------------------------------------------------------------
   base
   ------------------------------------------------------------ */

:root {
  --paper: #f7f4ee;
  --ink: #2b2b2b;
  --ink-soft: #6b6b6b;
  --blue: #3f5d7a;
  --blue-deep: #2f465c;
  --orange: #b4652a;
  --line: #d9d3c8;
  --card: #fffdf9;
  --radius: 6px;
  --wrap: 1180px;
  --gap: 22px;
  --mono: "SFMono-Regular", "Menlo", "Consolas", "Liberation Mono", monospace;
}

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

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

body {
  margin: 0;
  background-color: var(--paper);
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0;
}

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

p {
  margin: 0;
}

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

dl,
dd,
dt {
  margin: 0;
}

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

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

a:hover,
a:focus-visible {
  color: var(--orange);
}

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

figure {
  margin: 0;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

/* ------------------------------------------------------------
   layout · 全站骨架
   ------------------------------------------------------------ */

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: rgba(247, 244, 238, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 14px 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  min-height: 44px;
  padding-right: 16px;
  color: var(--ink);
  font-size: 20px;
  font-weight: 700;
  border-right: 1px solid var(--line);
}

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

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

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

.nav-list > li > a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  color: var(--ink);
  font-size: 15px;
  border-radius: var(--radius);
}

.nav-list > li > a:hover,
.nav-list > li > a:focus-visible {
  background-color: #efe9de;
  color: var(--blue);
}

.nav-list > li > a.is-current {
  color: var(--blue);
  font-weight: 700;
  background-color: #e9e2d5;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  background-color: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.nav-toggle::before {
  content: "";
  width: 18px;
  height: 2px;
  background-color: var(--ink);
  box-shadow: 0 -6px 0 var(--ink), 0 6px 0 var(--ink);
}

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

.home-main,
.inner-main {
  display: block;
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px 64px;
}

.site-main > section,
.site-main > div.page-layout {
  margin-top: 48px;
}

.site-footer {
  background-color: #efeae0;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 40px 24px 24px;
}

.footer-brand {
  flex: 1 1 320px;
  min-width: 260px;
  max-width: 460px;
}

.footer-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.footer-text {
  margin-top: 10px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.8;
}

.footer-nav {
  flex: 2 1 420px;
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
}

.footer-group {
  flex: 1 1 160px;
  min-width: 150px;
}

.footer-group-title {
  font-size: 14px;
  color: var(--ink);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.footer-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-list a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: 14px;
  color: var(--ink-soft);
}

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

.footer-copyright {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 16px 24px 28px;
  font-size: 13px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
}

/* 内页通用：面包屑 + 页面标题区 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 24px;
  font-size: 13px;
  color: var(--ink-soft);
}

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

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

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

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

.page-header {
  margin-top: 20px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.page-description {
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--blue);
  background-color: #e9e2d5;
  border-radius: 4px;
}

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

.page-lead {
  margin-top: 12px;
  max-width: 900px;
  font-size: 15px;
  color: var(--ink-soft);
}

.page-lead a {
  color: var(--blue);
}

/* 区块标题 */
.section-title {
  font-size: 22px;
}

.section-desc,
.section-intro {
  margin-top: 8px;
  max-width: 860px;
  font-size: 14px;
  color: var(--ink-soft);
}

.section-desc a,
.section-intro a {
  color: var(--blue);
}

.section-note {
  margin-top: 18px;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--ink-soft);
  background-color: #f1ece2;
  border-left: 3px solid var(--blue);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.section-note a {
  color: var(--blue);
}

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

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

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius);
  border: 1px solid transparent;
}

.btn-primary {
  color: #fffdf9;
  background-color: var(--blue);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  color: #fffdf9;
  background-color: var(--blue-deep);
}

.btn-ghost {
  color: var(--blue);
  background-color: transparent;
  border-color: var(--blue);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  color: #fffdf9;
  background-color: var(--blue);
}

/* 图片容器统一约束 */
.hero-figure,
.collection-figure,
.collection-thumb,
.topic-figure,
.update-figure,
.rank-thumb,
.media-figure,
.field-figure {
  overflow: hidden;
  background-color: #e9e2d5;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.hero-figure img,
.collection-figure img,
.collection-thumb img,
.topic-figure img,
.update-figure img,
.rank-thumb img,
.media-figure img,
.field-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 状态与编号标记 */
.stage-ongoing,
.stage-paused,
.stage-closed,
.tag-status,
.rank-stage {
  display: inline-block;
  padding: 1px 8px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  border-radius: 4px;
  white-space: nowrap;
}

.stage-ongoing,
.tag-status-ongoing {
  color: var(--orange);
  background-color: #f6e7db;
}

.stage-paused,
.tag-status-paused {
  color: #7a6a2f;
  background-color: #f1ecd6;
}

.stage-closed,
.tag-status-finished {
  color: var(--ink-soft);
  background-color: #e9e4da;
}

/* 榜单条目 hover 显示补充信息 */
.rank-item {
  transition: background-color 0.18s ease;
}

.rank-item .rank-meta,
.rank-item .rank-note,
.collection-card .collection-count {
  transition: color 0.18s ease;
}

.rank-item:hover,
.rank-item:focus-within {
  background-color: #f1ece2;
}

.rank-item:hover .rank-meta,
.rank-item:focus-within .rank-meta {
  color: var(--blue);
}

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

/* 首屏索引区 */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
  padding: 40px 0 8px;
}

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

.hero-kicker {
  display: inline-block;
  padding: 3px 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--blue);
  background-color: #e9e2d5;
  border-radius: 4px;
}

.hero-title {
  margin-top: 16px;
  font-size: 38px;
  line-height: 1.28;
}

.hero-lead {
  margin-top: 16px;
  max-width: 560px;
  font-size: 16px;
  color: #454545;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.hero-facts li {
  position: relative;
  padding-left: 14px;
  font-size: 14px;
  color: var(--ink-soft);
}

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

.hero-media {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.hero-figure {
  aspect-ratio: 16 / 10;
}

.hero-figure figcaption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--ink-soft);
  background-color: #f1ece2;
  border-top: 1px solid var(--line);
}

.boundary-note {
  padding: 16px 18px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius);
}

.boundary-note-title {
  font-size: 15px;
  color: var(--orange);
}

.boundary-note p {
  margin-top: 8px;
  font-size: 14px;
  color: var(--ink-soft);
}

/* 题材分类总览 */
.topic-list {
  border-top: 1px solid var(--line);
}

.topic-row {
  display: flex;
  gap: 18px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
}

.topic-no {
  flex: 0 0 auto;
  min-width: 46px;
  padding-top: 3px;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--blue);
}

.topic-body {
  flex: 1 1 auto;
  min-width: 0;
}

.topic-name {
  font-size: 17px;
}

.topic-scope {
  margin-top: 6px;
  font-size: 14px;
  color: #4a4a4a;
}

.topic-sample {
  margin-top: 6px;
  font-size: 13px;
  color: var(--ink-soft);
}

.topic-sample a {
  color: var(--blue);
}

/* 最近更新记录 */
.update-groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
}

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

.update-date {
  padding-bottom: 10px;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--blue);
  border-bottom: 1px solid var(--line);
}

.update-items,
.update-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.update-item {
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

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

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

.update-tag {
  margin-left: 8px;
  font-size: 12px;
  color: var(--ink-soft);
}

.update-stage {
  margin-left: 8px;
}

.update-note {
  margin-top: 6px;
  font-size: 13px;
  color: var(--ink-soft);
}

/* 人气榜单与专题合集 */
.rank-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.col-title {
  padding-bottom: 10px;
  font-size: 16px;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}

.rank-col,
.topic-col {
  min-width: 0;
}

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

.rank-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 8px;
  border-bottom: 1px solid var(--line);
  border-radius: 4px;
}

.rank-no {
  flex: 0 0 auto;
  min-width: 26px;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--orange);
}

.rank-name {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15px;
  font-weight: 400;
  color: var(--ink);
}

.rank-meta {
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--ink-soft);
}

.collection-grid {
  margin-top: 4px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.collection-card {
  padding: 14px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.collection-figure,
.collection-thumb {
  aspect-ratio: 4 / 3;
}

.collection-name {
  margin-top: 12px;
  font-size: 15px;
}

.collection-desc {
  margin-top: 6px;
  font-size: 13px;
  color: #4a4a4a;
}

.collection-count {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
}

.collection-card:hover .collection-count {
  color: var(--blue);
}

/* 字段口径与收录边界 */
.fields-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.fields-col,
.boundary-col {
  min-width: 0;
}

.field-glossary {
  margin-top: 12px;
}

.field-glossary dt {
  font-size: 15px;
  font-weight: 700;
  color: var(--blue);
}

.field-glossary dd {
  margin: 4px 0 14px;
  padding-bottom: 12px;
  font-size: 14px;
  color: #4a4a4a;
  border-bottom: 1px solid var(--line);
}

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

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

.boundary-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: #4a4a4a;
}

.boundary-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.7em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--orange);
  border-radius: 50%;
}

/* 站内栏目索引 */
.site-index-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.index-col {
  padding: 16px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

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

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

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

/* ------------------------------------------------------------
   pages · 题材分类
   ------------------------------------------------------------ */

.topic-rows {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.topic-rows .topic-row {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  padding: 18px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.topic-rows .topic-figure {
  aspect-ratio: 4 / 3;
}

.topic-code {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--blue);
}

.topic-rows .topic-name {
  margin-top: 4px;
  font-size: 18px;
}

.topic-rows .topic-scope {
  margin-top: 8px;
}

.topic-rep {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-soft);
}

.topic-rep a {
  margin-right: 14px;
  color: var(--blue);
}

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

.advice-item {
  padding: 18px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--blue);
  border-radius: var(--radius);
}

.advice-title {
  font-size: 16px;
}

.advice-text {
  margin-top: 8px;
  font-size: 14px;
  color: #4a4a4a;
}

.advice-text a {
  color: var(--blue);
}

.advice-note {
  margin-top: 18px;
  font-size: 14px;
  color: var(--ink-soft);
}

.advice-note a {
  color: var(--blue);
}

/* ------------------------------------------------------------
   pages · 最近更新
   ------------------------------------------------------------ */

.update-groups + .update-notes,
.update-notes + .updates-related {
  margin-top: 48px;
}

.update-list {
  margin-top: 14px;
}

.update-list .update-item {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 14px 0;
}

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

.update-meta {
  min-width: 0;
}

.update-meta .update-name {
  font-size: 16px;
}

.update-tags {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
}

.tag-topic {
  padding: 1px 8px;
  font-family: var(--mono);
  color: var(--blue);
  background-color: #e9e2d5;
  border-radius: 4px;
}

.update-change {
  margin-top: 8px;
  font-size: 14px;
  color: #4a4a4a;
}

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

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

.note-title {
  font-size: 16px;
}

.note-text {
  margin-top: 8px;
  font-size: 14px;
  color: #4a4a4a;
}

.note-text a {
  color: var(--blue);
}

.related-list {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.related-item a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  font-size: 14px;
  color: var(--ink);
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.related-item a:hover,
.related-item a:focus-visible {
  color: var(--blue);
  border-color: var(--blue);
}

/* ------------------------------------------------------------
   pages · 人气榜单
   ------------------------------------------------------------ */

.rankings-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  margin-top: 48px;
}

.rank-items {
  margin-top: 12px;
  border-top: 1px solid var(--line);
}

.rank-items .rank-item {
  display: grid;
  grid-template-columns: 34px 96px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 14px 10px;
  border-bottom: 1px solid var(--line);
}

.rank-thumb {
  aspect-ratio: 4 / 3;
}

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

.rank-body .rank-name {
  font-size: 16px;
}

.rank-body .rank-meta {
  margin-top: 4px;
  font-size: 13px;
  color: var(--ink-soft);
}

.rank-note {
  margin-top: 6px;
  font-size: 13px;
  color: #5a5a5a;
}

.rank-stage {
  margin-left: 8px;
}

.topic-collection {
  min-width: 0;
}

.topic-collection .collection-card {
  margin-top: 16px;
}

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

.topic-collection .collection-name a:hover,
.topic-collection .collection-name a:focus-visible {
  color: var(--blue);
}

.rank-notes .notes-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.notes-subtitle {
  padding-bottom: 8px;
  font-size: 16px;
  border-bottom: 1px solid var(--line);
}

.notes-col p {
  margin-top: 12px;
  font-size: 14px;
  color: #4a4a4a;
}

.rank-links .link-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.rank-links .link-list a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  font-size: 14px;
  color: var(--ink);
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.rank-links .link-list a:hover,
.rank-links .link-list a:focus-visible {
  color: var(--blue);
  border-color: var(--blue);
}

/* ------------------------------------------------------------
   pages · 系列索引
   ------------------------------------------------------------ */

.media-figure figcaption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--ink-soft);
  background-color: #f1ece2;
  border-top: 1px solid var(--line);
}

.media-figure-wide {
  margin-top: 18px;
}

.media-figure-wide img {
  aspect-ratio: 21 / 9;
}

.media-figure-inline {
  margin-top: 22px;
  max-width: 720px;
}

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

.rule-list {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
}

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

.rule-title {
  font-size: 16px;
  color: var(--blue);
}

.rule-text {
  margin-top: 8px;
  font-size: 14px;
  color: #4a4a4a;
}

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

.entry-card {
  padding: 18px;
  background-color: #efeae0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.entry-name {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--orange);
}

.entry-role {
  margin-top: 8px;
  font-size: 15px;
  color: var(--ink);
}

.entry-detail {
  margin-top: 8px;
  font-size: 14px;
  color: #4a4a4a;
}

.field-table {
  margin-top: 18px;
  border-top: 1px solid var(--line);
}

.field-row {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.field-row .field-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--blue);
}

.field-row .field-desc {
  margin: 0;
  font-size: 14px;
  color: #4a4a4a;
}

.field-row .field-desc a {
  color: var(--blue);
}

.path-list {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.path-item a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  font-size: 14px;
  color: var(--ink);
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.path-item a:hover,
.path-item a:focus-visible {
  color: var(--blue);
  border-color: var(--blue);
}

/* ------------------------------------------------------------
   pages · 阅读说明
   ------------------------------------------------------------ */

.field-layout {
  margin-top: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.field-list {
  min-width: 0;
}

.field-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.field-item:first-child {
  padding-top: 0;
}

.field-item .field-name {
  font-size: 16px;
  color: var(--blue);
}

.field-text {
  margin-top: 8px;
  font-size: 14px;
  color: #4a4a4a;
}

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

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

.boundary-item {
  padding: 18px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius);
}

.boundary-title {
  font-size: 16px;
}

.boundary-text {
  margin-top: 8px;
  font-size: 14px;
  color: #4a4a4a;
}

.faq-list {
  margin-top: 16px;
  border-top: 1px solid var(--line);
}

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

.faq-question {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 12px 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.faq-question::before {
  content: "+";
  flex: 0 0 auto;
  width: 20px;
  font-family: var(--mono);
  font-size: 16px;
  color: var(--blue);
  text-align: center;
}

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

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

.faq-answer {
  padding: 0 4px 16px 34px;
}

.faq-answer p {
  font-size: 14px;
  color: #4a4a4a;
}

/* ------------------------------------------------------------
   pages · 404
   ------------------------------------------------------------ */

.error-main {
  display: block;
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px 64px;
}

.error-block {
  margin-top: 56px;
  padding: 36px 32px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.error-code {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.error-block h1 {
  margin-top: 12px;
  font-size: 30px;
}

.error-text {
  margin-top: 10px;
  max-width: 640px;
  font-size: 15px;
  color: var(--ink-soft);
}

.error-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  margin-top: 22px;
  padding: 0 22px;
  font-size: 15px;
  font-weight: 700;
  color: #fffdf9;
  background-color: var(--blue);
  border-radius: var(--radius);
}

.error-button:hover,
.error-button:focus-visible {
  color: #fffdf9;
  background-color: var(--blue-deep);
}

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

.error-links h2 {
  font-size: 20px;
}

.error-link-list {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.error-link-list a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  font-size: 14px;
  color: var(--ink);
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.error-link-list a:hover,
.error-link-list a:focus-visible {
  color: var(--blue);
  border-color: var(--blue);
}

/* ------------------------------------------------------------
   responsive
   ------------------------------------------------------------ */

@media (max-width: 1024px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding-top: 28px;
  }

  .hero-title {
    font-size: 32px;
  }

  .update-groups,
  .notes-grid,
  .topic-advice .advice-columns,
  .rule-list,
  .entry-grid,
  .boundary-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .rank-layout,
  .fields-layout,
  .rankings-layout,
  .field-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

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

@media (max-width: 760px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 12px 18px;
  }

  .brand {
    border-right: 0;
    padding-right: 0;
  }

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

  .site-nav {
    flex: 1 1 100%;
    display: block;
  }

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

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

  .nav-list > li > a {
    padding: 0 10px;
  }

  .home-main,
  .inner-main,
  .error-main {
    padding: 0 18px 48px;
  }

  .site-main > section,
  .site-main > div.page-layout {
    margin-top: 36px;
  }

  .hero-title {
    font-size: 27px;
  }

  .hero-facts {
    flex-direction: column;
    gap: 8px;
  }

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

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

  .update-groups,
  .notes-grid,
  .topic-advice .advice-columns,
  .rule-list,
  .entry-grid,
  .boundary-layout,
  .collection-grid,
  .rank-notes .notes-columns,
  .site-index-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .topic-rows .topic-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .topic-rows .topic-figure {
    max-width: 320px;
  }

  .update-list .update-item {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 12px;
  }

  .rank-items .rank-item {
    grid-template-columns: 28px 78px minmax(0, 1fr);
    gap: 10px;
    padding: 12px 6px;
  }

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

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

  .footer-inner {
    flex-direction: column;
    gap: 24px;
    padding: 32px 18px 20px;
  }

  .footer-brand {
    flex: 1 1 auto;
    min-width: 0;
    max-width: none;
  }

  .footer-nav {
    flex: 1 1 auto;
    flex-direction: column;
    gap: 22px;
  }

  .footer-group {
    flex: 1 1 auto;
    min-width: 0;
  }

  .footer-copyright {
    padding: 14px 18px 24px;
  }

  .error-block {
    margin-top: 36px;
    padding: 26px 20px;
  }

  .error-block h1 {
    font-size: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}