/* ==========================================================================
   漫蛙漫画 · 全站样式
   base → layout → components → pages → responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base：变量、重置、排版基线
   -------------------------------------------------------------------------- */
:root {
  --ink: #1b1f2a;
  --ink-soft: #5a6270;
  --ink-faint: #7c8493;
  --bg: #f5f6f8;
  --panel: #ffffff;
  --line: #d9dce2;
  --line-strong: #b6bcc7;
  --red: #e8483f;
  --blue: #2f7de1;
  --gold: #f0a92b;
  --radius: 6px;
  --radius-sm: 4px;
  --shell: 1120px;
  --gap: 20px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", Arial, sans-serif;
  --mono: "SFMono-Regular", "Menlo", "Consolas", "Liberation Mono", monospace;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

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;
}

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

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

img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 0;
}

figure {
  margin: 0;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

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

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

/* --------------------------------------------------------------------------
   layout：全站骨架（页头 / 导航 / 主容器 / 页脚）
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--panel);
  border-bottom: 2px solid var(--ink);
}

.header-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 24px;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 14px 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.brand-mark {
  display: inline-block;
  padding: 4px 10px;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.brand-slogan {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.4;
}

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

.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 6px;
}

.nav-link {
  display: block;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.4;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--ink);
  border-color: var(--line-strong);
}

.nav-link.is-current {
  color: var(--ink);
  background: #fbe9e7;
  border-color: var(--red);
  font-weight: 700;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 11px 10px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  flex-direction: column;
  justify-content: space-between;
  align-items: stretch;
}

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

.site-main {
  display: block;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 28px 20px 56px;
}

.inner-main {
  padding-top: 22px;
}

/* 页脚 */
.site-footer {
  background: var(--panel);
  border-top: 2px solid var(--ink);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(260px, 1.4fr) repeat(3, minmax(140px, 1fr));
  gap: 28px 32px;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 36px 20px 24px;
}

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

.footer-name {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 17px;
  font-weight: 700;
}

.footer-desc {
  max-width: 34em;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.8;
}

.footer-title {
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.footer-list li + li {
  margin-top: 6px;
}

.footer-list a {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.9;
}

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

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

.footer-copy {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 16px 20px 22px;
  color: var(--ink-faint);
  font-size: 12px;
  line-height: 1.8;
}

/* 内页通用：面包屑与页标题区 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
  color: var(--ink-faint);
  font-size: 13px;
}

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

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

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

.breadcrumb-current {
  color: var(--ink);
  font-weight: 700;
}

.page-header {
  padding: 18px 20px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 5px solid var(--red);
  border-radius: var(--radius);
  margin-bottom: 26px;
}

.page-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--ink);
}

.page-description {
  margin-top: 10px;
  max-width: 62em;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.page-description a {
  color: var(--blue);
  border-bottom: 1px solid rgba(47, 125, 225, 0.35);
}

.page-description a:hover,
.page-description a:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* 通用区块标题 */
.section-head {
  margin-bottom: 18px;
}

.section-title {
  font-size: 22px;
  font-weight: 700;
  padding-left: 12px;
  border-left: 4px solid var(--ink);
}

.section-desc,
.section-intro {
  margin-top: 8px;
  max-width: 66em;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

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

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

.sub-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-more {
  margin-top: 16px;
}

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

.link-more:hover,
.link-more:focus-visible {
  color: var(--red);
}

.text-link {
  color: var(--blue);
  border-bottom: 1px solid rgba(47, 125, 225, 0.35);
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* --------------------------------------------------------------------------
   components：标签、按钮、封面图、列表行、年份索引
   -------------------------------------------------------------------------- */
.tag {
  display: inline-block;
  padding: 2px 8px;
  background: #eef0f4;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
  white-space: nowrap;
}

.tag-hot {
  background: #fbe9e7;
  border-color: rgba(232, 72, 63, 0.45);
  color: #b9352d;
}

.tag-blue {
  background: #e8f1fd;
  border-color: rgba(47, 125, 225, 0.4);
  color: #2260b0;
}

.tag-gold {
  background: #fdf3e0;
  border-color: rgba(240, 169, 43, 0.5);
  color: #9a6a0d;
}

.tag-daily {
  background: #e9f6ee;
  border-color: rgba(52, 152, 96, 0.4);
  color: #2b7b4d;
}

.tag-fantasy {
  background: #efe9fb;
  border-color: rgba(120, 92, 205, 0.35);
  color: #5b45a0;
}

.tag-suspense {
  background: #eceef2;
  border-color: var(--line-strong);
  color: #3c4353;
}

.tag-sports {
  background: #fdf3e0;
  border-color: rgba(240, 169, 43, 0.5);
  color: #9a6a0d;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 22px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

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

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

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

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

/* 图片容器统一约束 */
.hero-figure,
.gallery-figure,
.topic-figure,
.feature-figure,
.basis-figure,
.guide-figure,
.rank-cover {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #e9ebef;
}

.hero-figure img,
.gallery-figure img,
.topic-figure img,
.feature-figure img,
.basis-figure img,
.guide-figure img,
.rank-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 年份索引（首页 / 更新页共用） */
.year-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.year-link {
  display: block;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--panel);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  text-align: center;
}

.year-link:hover,
.year-link:focus-visible {
  border-color: var(--ink);
  border-left-color: var(--ink);
  color: var(--ink);
}

.year-link.is-current,
.year-link.is-active {
  background: var(--ink);
  border-color: var(--ink);
  border-left-color: var(--red);
  color: #fff;
}

/* 通用归档 / 更新条目行 */
.archive-item,
.update-item,
.update-row {
  color: var(--ink-soft);
  font-size: 14px;
}

/* --------------------------------------------------------------------------
   pages：首页
   -------------------------------------------------------------------------- */
.hero {
  margin-bottom: 40px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  padding: 30px 26px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 4px solid var(--ink);
  border-radius: var(--radius);
}

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

.hero-fact {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 10px;
  background: #eef0f4;
  border-left: 4px solid var(--blue);
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.hero-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.35;
}

.hero-desc {
  margin-top: 14px;
  max-width: 40em;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

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

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

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

/* 年份归档索引 */
.year-archive {
  margin-bottom: 40px;
}

.archive-layout {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.archive-years {
  position: sticky;
  top: 88px;
}

.archive-groups {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.archive-group {
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.group-title {
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-size: 17px;
  font-weight: 700;
}

.archive-items {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 20px;
}

.archive-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
}

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

.archive-item .item-tag {
  color: var(--ink-faint);
  font-size: 13px;
}

.archive-item .item-note {
  color: var(--ink-soft);
  font-size: 13px;
}

/* 最近更新目录 */
.updates-list {
  margin-bottom: 40px;
}

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

.update-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) auto minmax(0, 1.2fr);
  gap: 14px;
  align-items: center;
  padding: 13px 18px;
  border-bottom: 1px solid var(--line);
}

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

.update-row:hover {
  background: #fafbfc;
}

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

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

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

/* 人气榜单与编辑推荐 */
.ranking {
  margin-bottom: 40px;
}

.ranking-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.ranking-list-wrap {
  min-width: 0;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.ranking-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fbfcfd;
}

.ranking-item:hover {
  border-color: var(--ink);
}

.rank-no {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: var(--ink);
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
}

.rank-name {
  flex: 1 1 140px;
  min-width: 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
}

.editor-picks {
  min-width: 0;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 4px solid var(--gold);
  border-radius: var(--radius);
}

.pick-item {
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}

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

.pick-name {
  margin-bottom: 6px;
  font-size: 15px;
  font-weight: 700;
}

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

/* 阅读说明与反馈入口 */
.guide-entry {
  margin-bottom: 40px;
}

.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.guide-col,
.feedback-col {
  min-width: 0;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.feedback-col {
  border-top: 4px solid var(--blue);
}

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

.guide-item {
  padding: 10px 0 10px 14px;
  border-left: 3px solid var(--line-strong);
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

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

.rule-item {
  padding: 10px 12px;
  background: #fbfcfd;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

/* 站内栏目索引 */
.site-index {
  margin-bottom: 40px;
}

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

.index-col {
  min-width: 0;
}

.index-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: 100%;
  padding: 16px 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--ink);
  border-radius: var(--radius);
}

.index-link:hover,
.index-link:focus-visible {
  border-top-color: var(--red);
  color: var(--ink);
}

.index-name {
  font-size: 15px;
  font-weight: 700;
}

.index-text {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

/* 首页图片区 */
.home-gallery {
  margin-bottom: 8px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.gallery-figure {
  border-radius: var(--radius);
}

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

.gallery-caption {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.75;
}

/* --------------------------------------------------------------------------
   pages：题材分类页
   -------------------------------------------------------------------------- */
.topics-overview {
  margin-bottom: 34px;
}

.topic-nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.topic-nav-item {
  min-width: 0;
}

.topic-nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 4px solid var(--red);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.topic-nav-link:hover,
.topic-nav-link:focus-visible {
  border-color: var(--ink);
  border-left-color: var(--ink);
  color: var(--red);
}

.topic-block {
  margin-bottom: 28px;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.topic-block-head {
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
}

.topic-name {
  font-size: 22px;
  font-weight: 700;
}

.topic-desc {
  margin-top: 8px;
  max-width: 62em;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

.topic-figure {
  max-width: 420px;
  margin-bottom: 14px;
}

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

.topic-figure-caption {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 13px;
  line-height: 1.7;
}

.topic-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-bottom: 14px;
  padding: 10px 12px;
  background: #fbfcfd;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-size: 13px;
}

.topic-year {
  font-family: var(--mono);
  color: var(--ink);
  font-weight: 700;
}

.topic-status {
  color: var(--ink-soft);
}

.topic-work-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 20px;
}

.topic-work-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}

.work-name {
  flex: 1 1 120px;
  min-width: 0;
  color: var(--ink);
  font-weight: 700;
}

.work-year {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 13px;
}

.work-status {
  color: var(--ink-soft);
  font-size: 13px;
}

.topic-notes {
  margin-bottom: 32px;
}

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

.note-card {
  min-width: 0;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--blue);
  border-radius: var(--radius);
}

.note-title {
  margin-bottom: 8px;
  font-size: 16px;
  font-weight: 700;
}

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

.next-step {
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.next-step-desc {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

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

.next-step-item {
  min-width: 0;
}

.next-step-link {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 14px;
  background: #fbfcfd;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.6;
}

.next-step-link:hover,
.next-step-link:focus-visible {
  border-color: var(--red);
  color: var(--red);
}

/* --------------------------------------------------------------------------
   pages：最近更新页
   -------------------------------------------------------------------------- */
.updates-archive {
  margin-bottom: 34px;
}

.archive-layout.sidebar-left {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.year-index {
  position: sticky;
  top: 88px;
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.year-index-title {
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  font-weight: 700;
}

.year-item + .year-item {
  margin-top: 6px;
}

.month-groups {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}

.month-group {
  padding: 18px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.month-title {
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--ink);
  font-size: 17px;
  font-weight: 700;
}

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

.update-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) auto;
  gap: 8px 16px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}

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

.update-item .update-date {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 13px;
}

.update-item .update-name {
  min-width: 0;
  font-size: 15px;
  font-weight: 700;
}

.update-item .update-note {
  grid-column: 2 / -1;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.75;
}

.update-feature {
  margin-bottom: 34px;
}

.feature-figure {
  max-width: 640px;
}

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

.feature-caption {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 13px;
  line-height: 1.75;
}

.update-rhythm {
  margin-bottom: 32px;
}

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

.rhythm-col {
  min-width: 0;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.rhythm-subtitle {
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  font-weight: 700;
}

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

.rhythm-list li {
  padding-left: 14px;
  border-left: 3px solid var(--gold);
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

/* --------------------------------------------------------------------------
   pages：人气榜单页
   -------------------------------------------------------------------------- */
.page-layout.ranking-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.ranking-section,
.editor-section,
.basis-section {
  min-width: 0;
}

.ranking-section {
  grid-column: 1;
}

.editor-section {
  grid-column: 2;
}

.basis-section {
  grid-column: 1 / -1;
}

.section-note {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

.page-layout .ranking-list {
  gap: 12px;
}

.page-layout .ranking-item {
  display: grid;
  grid-template-columns: 34px 120px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px;
  background: var(--panel);
}

.page-layout .rank-no {
  width: 34px;
  height: 34px;
  font-size: 15px;
}

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

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

.rank-name {
  font-size: 16px;
  font-weight: 700;
}

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

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

.rank-state {
  color: var(--ink-soft);
}

.section-foot {
  margin-top: 16px;
}

.section-foot a {
  color: var(--blue);
  font-size: 14px;
  font-weight: 700;
}

.section-foot a:hover,
.section-foot a:focus-visible {
  color: var(--red);
}

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

.editor-item {
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius);
}

.editor-name {
  margin-bottom: 8px;
  font-size: 16px;
  font-weight: 700;
}

.editor-reason {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

.editor-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 10px;
}

.editor-links a {
  color: var(--blue);
  font-size: 13px;
  border-bottom: 1px solid rgba(47, 125, 225, 0.35);
}

.editor-links a:hover,
.editor-links a:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

.basis-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 16px;
}

.basis-col {
  min-width: 0;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.basis-subtitle {
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  font-weight: 700;
}

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

.basis-list li {
  padding-left: 14px;
  border-left: 3px solid var(--line-strong);
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

.basis-figure {
  margin-top: 20px;
  max-width: 620px;
}

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

.basis-caption {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 13px;
  line-height: 1.75;
}

.next-section {
  grid-column: 1 / -1;
  margin-top: 30px;
  padding: 20px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.next-text {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.9;
}

.next-text a {
  color: var(--blue);
  border-bottom: 1px solid rgba(47, 125, 225, 0.35);
}

.next-text a:hover,
.next-text a:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* --------------------------------------------------------------------------
   pages：阅读说明页
   -------------------------------------------------------------------------- */
.guide-section {
  margin-bottom: 34px;
}

.guide-figure {
  max-width: 640px;
  margin-bottom: 18px;
}

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

.guide-figure figcaption {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 13px;
  line-height: 1.75;
}

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

.guide-step {
  min-width: 0;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.step-index {
  display: inline-block;
  margin-bottom: 10px;
  padding: 2px 10px;
  background: var(--ink);
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
}

.step-title {
  margin-bottom: 8px;
  font-size: 16px;
  font-weight: 700;
}

.step-text {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.85;
}

.step-text a {
  color: var(--blue);
  border-bottom: 1px solid rgba(47, 125, 225, 0.35);
}

.step-text a:hover,
.step-text a:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

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

.feedback-card {
  min-width: 0;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--blue);
  border-radius: var(--radius);
}

.feedback-title {
  margin-bottom: 8px;
  font-size: 16px;
  font-weight: 700;
}

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

.feedback-note {
  margin-top: 16px;
  padding: 12px 16px;
  background: #fbfcfd;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.8;
}

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

.guide-rules .rule-item {
  padding: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.rule-summary {
  padding: 14px 46px 14px 16px;
  position: relative;
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  cursor: pointer;
  list-style: none;
}

.rule-summary::-webkit-details-marker {
  display: none;
}

.rule-summary::after {
  content: "展开";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  padding: 2px 8px;
  background: #eef0f4;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 400;
}

.rule-item[open] .rule-summary::after {
  content: "收起";
  background: #fbe9e7;
  border-color: rgba(232, 72, 63, 0.4);
  color: #b9352d;
}

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

.guide-rules .rule-text {
  padding: 12px 16px 16px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.85;
}

.guide-next {
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 8px;
}

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

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

.next-item a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 14px;
  background: #fbfcfd;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.6;
}

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

/* --------------------------------------------------------------------------
   pages：404
   -------------------------------------------------------------------------- */
.error-main {
  padding-top: 34px;
}

.error-panel {
  padding: 34px 26px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 4px solid var(--red);
  border-radius: var(--radius);
  margin-bottom: 28px;
}

.error-code {
  font-family: var(--mono);
  font-size: 42px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--red);
}

.error-panel h1 {
  margin-top: 12px;
  font-size: 26px;
  font-weight: 700;
}

.error-text {
  margin-top: 12px;
  max-width: 58em;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.85;
}

.error-actions {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.error-link {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 14px;
  background: #fbfcfd;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.6;
}

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

.error-link.is-primary {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.error-link.is-primary:hover,
.error-link.is-primary:focus-visible {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}

.error-tips {
  padding: 22px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.error-tips h2 {
  margin-bottom: 12px;
  font-size: 18px;
  font-weight: 700;
}

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

.error-tip-list li {
  padding-left: 14px;
  border-left: 3px solid var(--line-strong);
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.85;
}

/* --------------------------------------------------------------------------
   responsive：960px 与 640px 断点
   -------------------------------------------------------------------------- */
@media (max-width: 960px) {
  .header-inner {
    padding: 12px 16px;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
    order: 3;
  }

  .site-nav {
    order: 4;
    flex: 1 1 100%;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 10px 0 4px;
    border-top: 1px solid var(--line);
  }

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

  .nav-link {
    padding: 11px 12px;
    font-size: 15px;
  }

  .site-main {
    padding: 22px 16px 44px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding: 22px 18px;
  }

  .archive-layout,
  .archive-layout.sidebar-left {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .archive-years,
  .year-index {
    position: static;
  }

  .archive-years .year-list,
  .year-index .year-list {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .archive-years .year-list li,
  .year-index .year-list li {
    flex: 1 1 96px;
  }

  .year-item + .year-item {
    margin-top: 0;
  }

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

  .ranking-section,
  .editor-section,
  .basis-section,
  .next-section {
    grid-column: 1;
  }

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

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

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

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

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

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .brand-slogan {
    display: none;
  }

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

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

  .hero-inner {
    padding: 20px 16px;
  }

  .hero-actions .btn {
    flex: 1 1 100%;
  }

  .archive-items,
  .topic-work-list,
  .guide-steps,
  .gallery-grid,
  .basis-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .update-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
    align-items: start;
    padding: 12px 14px;
  }

  .update-row .update-date {
    order: -1;
  }

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

  .update-item .update-note {
    grid-column: 1;
  }

  .page-layout .ranking-item {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px 12px;
  }

  .page-layout .rank-cover {
    grid-column: 1 / -1;
    max-width: 200px;
  }

  .index-cols,
  .next-step-list,
  .next-list,
  .error-actions,
  .topic-notes-grid,
  .rhythm-columns,
  .feedback-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
    padding: 28px 16px 20px;
  }

  .footer-copy {
    padding: 14px 16px 20px;
  }

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

  .rule-summary {
    padding-right: 16px;
  }

  .rule-summary::after {
    position: static;
    display: inline-block;
    margin-left: 8px;
    transform: none;
  }
}

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