/* ==========================================================================
   汗汗漫画 · hievm.cn 全站样式
   base → layout → components → pages → responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base：变量、重置、排版基础
   -------------------------------------------------------------------------- */
:root {
  --c-bg: #ffffff;
  --c-ink: #1a1a1a;
  --c-ink-soft: #4a4a4a;
  --c-ink-mute: #767676;
  --c-line: #d9d9d9;
  --c-line-soft: #ececec;
  --c-accent: #ff6b35;
  --c-accent-dark: #d94f1c;
  --c-accent-wash: #fff3ee;
  --c-navy: #2b3a67;
  --c-navy-wash: #eef1f8;
  --c-surface: #fafafa;
  --radius: 6px;
  --radius-sm: 4px;
  --shell: 1160px;
  --gap: 24px;
  --shadow-hover: 0 6px 18px rgba(26, 26, 26, 0.12);
}

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

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

body.site-body {
  margin: 0;
  background-color: var(--c-bg);
  color: var(--c-ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--c-ink);
  font-weight: 700;
  line-height: 1.3;
}

p {
  margin: 0;
}

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

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

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

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

figure {
  margin: 0;
}

button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

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

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

/* --------------------------------------------------------------------------
   layout：全站骨架 —— 容器、页头、导航、主区、面包屑、页标题、页脚
   -------------------------------------------------------------------------- */
.fact-bar {
  background-color: var(--c-navy);
  color: #ffffff;
}

.fact-bar-text {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 8px 20px;
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: #ffffff;
  border-bottom: 2px solid var(--c-ink);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 20px;
  min-height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  color: var(--c-ink);
  font-weight: 700;
}

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

.brand-mark {
  display: block;
  width: 16px;
  height: 26px;
  background-color: var(--c-accent);
  border-radius: 2px;
  transform: skewX(-8deg);
}

.brand-name {
  font-size: 21px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

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

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

.nav-item {
  display: block;
}

.nav-link {
  display: block;
  padding: 10px 14px;
  color: var(--c-ink-soft);
  font-size: 15px;
  border-bottom: 3px solid transparent;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.nav-link:hover {
  color: var(--c-ink);
  background-color: var(--c-surface);
}

.nav-link.is-current {
  color: var(--c-accent-dark);
  font-weight: 700;
  border-bottom-color: var(--c-accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 46px;
  height: 46px;
  padding: 0 11px;
  background-color: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--c-ink);
  border-radius: 1px;
}

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

.inner-main {
  padding-top: 22px;
  padding-bottom: 56px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  font-size: 14px;
  color: var(--c-ink-mute);
}

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

.breadcrumb a:hover {
  color: var(--c-accent-dark);
}

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

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

.page-header {
  margin: 0 0 34px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--c-line);
}

.page-title {
  font-size: 34px;
  font-weight: 800;
  color: var(--c-ink);
}

.page-description {
  margin-top: 12px;
  max-width: 860px;
  font-size: 16px;
  color: var(--c-ink-soft);
}

.site-footer {
  margin-top: 40px;
  background-color: var(--c-surface);
  border-top: 2px solid var(--c-ink);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(240px, 1.4fr) repeat(3, minmax(150px, 1fr));
  gap: 32px;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 40px 20px 30px;
}

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

.footer-name {
  font-size: 19px;
  font-weight: 700;
  color: var(--c-ink);
}

.footer-desc {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink-mute);
}

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

.footer-title {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-ink);
}

.footer-list li + li {
  margin-top: 8px;
}

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

.footer-list a:hover {
  color: var(--c-accent-dark);
}

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

.footer-copy {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 16px 20px;
  font-size: 13px;
  color: var(--c-ink-mute);
}

/* --------------------------------------------------------------------------
   components：通用标题组、标签、文本链接、列表、表格、FAQ
   -------------------------------------------------------------------------- */
.section {
  margin-top: 52px;
}

.section-head {
  margin-bottom: 22px;
}

.section-title {
  font-size: 25px;
  font-weight: 800;
  color: var(--c-ink);
  padding-left: 12px;
  border-left: 5px solid var(--c-accent);
  line-height: 1.25;
}

.section-sub,
.section-lead,
.section-desc {
  margin-top: 10px;
  max-width: 820px;
  font-size: 15px;
  color: var(--c-ink-soft);
}

.section-more {
  margin-top: 20px;
  font-size: 15px;
}

.text-link {
  display: inline-block;
  padding-bottom: 2px;
  color: var(--c-accent-dark);
  font-weight: 700;
  border-bottom: 2px solid var(--c-accent);
}

.text-link:hover {
  color: var(--c-ink);
  border-bottom-color: var(--c-ink);
}

.tag {
  display: inline-block;
  padding: 1px 8px;
  font-size: 12px;
  line-height: 1.7;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.tag-main {
  background-color: var(--c-accent-wash);
  color: var(--c-accent-dark);
}

.tag-genre {
  background-color: var(--c-navy-wash);
  color: var(--c-navy);
}

.tag-state {
  background-color: var(--c-surface);
  color: var(--c-ink-soft);
  border: 1px solid var(--c-line);
}

/* 字段简表：gengxin / shuoming 共用 */
.field-table {
  background-color: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.field-table-caption {
  padding: 12px 16px;
  text-align: left;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-ink-soft);
  background-color: var(--c-surface);
  border-bottom: 1px solid var(--c-line);
}

.field-table th,
.field-table td {
  padding: 12px 16px;
  text-align: left;
  font-size: 14.5px;
  line-height: 1.7;
  vertical-align: top;
  border-bottom: 1px solid var(--c-line-soft);
}

.field-table thead th {
  background-color: var(--c-navy);
  color: #ffffff;
  font-weight: 700;
  white-space: nowrap;
}

.field-table tbody th {
  width: 30%;
  color: var(--c-ink);
  font-weight: 700;
  background-color: var(--c-surface);
}

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

.field-table tbody tr:last-child th,
.field-table tbody tr:last-child td {
  border-bottom: 0;
}

/* FAQ：原生 details */
.faq-list {
  border-top: 1px solid var(--c-line);
}

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

.faq-question {
  position: relative;
  padding: 16px 44px 16px 2px;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-ink);
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 400;
  color: var(--c-accent);
}

.faq-item[open] .faq-question::after {
  content: "\2212";
}

.faq-item[open] .faq-question {
  color: var(--c-accent-dark);
}

.faq-answer {
  padding: 0 44px 18px 2px;
  font-size: 15px;
  color: var(--c-ink-soft);
}

/* --------------------------------------------------------------------------
   pages：首页
   -------------------------------------------------------------------------- */
.home-main {
  padding-bottom: 20px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 40px;
  align-items: center;
  padding: 44px 0 12px;
}

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

.hero-kicker {
  display: inline-block;
  padding: 3px 10px;
  font-size: 13px;
  color: var(--c-accent-dark);
  background-color: var(--c-accent-wash);
  border-radius: var(--radius-sm);
}

.hero-title {
  margin-top: 14px;
  font-size: 42px;
  font-weight: 800;
  line-height: 1.22;
}

.hero-lead {
  margin-top: 16px;
  max-width: 560px;
  font-size: 16.5px;
  color: var(--c-ink-soft);
}

.hero-entries {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.hero-entry {
  min-width: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background-color: #ffffff;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.hero-entry:hover {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-hover);
}

.hero-entry-link {
  display: block;
  padding: 12px 12px 4px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--c-navy);
}

.hero-entry-note {
  display: block;
  padding: 0 12px 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-ink-mute);
}

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

.hero-visual img {
  display: block;
  width: 100%;
  height: 360px;
  object-fit: cover;
  border: 2px solid var(--c-ink);
  border-radius: var(--radius);
}

.hero-caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--c-ink-mute);
}

/* 题材方向总览 */
.genre-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.genre-card {
  min-width: 0;
  padding: 18px;
  background-color: #ffffff;
  border: 1px solid var(--c-line);
  border-top: 4px solid var(--c-navy);
  border-radius: var(--radius);
}

.genre-card:nth-child(2) {
  border-top-color: var(--c-accent);
}

.genre-card:nth-child(3) {
  border-top-color: var(--c-ink);
}

.genre-card:nth-child(4) {
  border-top-color: var(--c-accent-dark);
}

.genre-name {
  font-size: 18px;
  font-weight: 800;
}

.genre-desc {
  margin-top: 10px;
  font-size: 14.5px;
  color: var(--c-ink-soft);
}

.genre-meta {
  margin-top: 12px;
  padding-top: 10px;
  font-size: 13px;
  color: var(--c-ink-mute);
  border-top: 1px dashed var(--c-line);
}

/* 封面墙 */
.shelf-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.cover-card {
  min-width: 0;
  background-color: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.cover-card:hover {
  transform: translateY(-3px);
  border-color: var(--c-accent);
  box-shadow: var(--shadow-hover);
}

.cover-media {
  display: block;
  background-color: var(--c-surface);
}

.cover-media img {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.cover-name {
  padding: 14px 16px 0;
  font-size: 17px;
  font-weight: 700;
}

.cover-genre {
  padding: 6px 16px 0;
  font-size: 13px;
  color: var(--c-accent-dark);
}

.cover-status {
  padding: 4px 16px 16px;
  font-size: 13px;
  color: var(--c-ink-mute);
}

/* 最近更新 + 人气榜单 并列区 */
.duo-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.duo-col {
  min-width: 0;
  padding: 20px;
  background-color: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.duo-title {
  padding-bottom: 12px;
  font-size: 18px;
  font-weight: 800;
  border-bottom: 2px solid var(--c-ink);
}

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

.update-item {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr) 96px 108px;
  gap: 10px;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px dashed var(--c-line);
  font-size: 14px;
}

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

.update-date {
  color: var(--c-ink-mute);
  font-variant-numeric: tabular-nums;
}

.update-name {
  min-width: 0;
  font-weight: 700;
  color: var(--c-ink);
  overflow-wrap: break-word;
}

.update-genre {
  color: var(--c-navy);
}

.update-progress {
  text-align: right;
  color: var(--c-accent-dark);
}

.rank-list {
  margin-top: 4px;
  counter-reset: none;
}

.rank-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 4px 12px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px dashed var(--c-line);
  font-size: 14px;
}

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

.rank-no {
  grid-row: span 2;
  font-size: 19px;
  font-weight: 800;
  color: var(--c-accent);
  font-variant-numeric: tabular-nums;
}

.rank-name {
  min-width: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-ink);
  overflow-wrap: break-word;
}

.rank-reason {
  color: var(--c-ink-mute);
  line-height: 1.6;
}

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

/* 阅读说明与收录边界摘要 */
.notes-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.notes-col {
  min-width: 0;
  padding: 20px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.notes-title {
  padding-bottom: 10px;
  font-size: 17px;
  font-weight: 800;
  border-bottom: 2px solid var(--c-accent);
}

.notes-list {
  margin-top: 12px;
}

.notes-item {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-ink-soft);
}

.notes-item + .notes-item {
  margin-top: 10px;
}

.notes-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 7px;
  background-color: var(--c-navy);
  border-radius: 1px;
}

.notes-more {
  margin-top: 16px;
  font-size: 14px;
}

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

.index-card {
  display: block;
  min-width: 0;
  padding: 18px 16px;
  background-color: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.index-card:hover {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-hover);
}

.index-name {
  font-size: 16px;
  font-weight: 800;
  color: var(--c-navy);
}

.index-card:hover .index-name {
  color: var(--c-accent-dark);
}

.index-desc {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--c-ink-mute);
}

/* --------------------------------------------------------------------------
   pages：题材分类页
   -------------------------------------------------------------------------- */
.direction-overview,
.direction-groups,
.direction-filter {
  margin-top: 46px;
}

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

.direction-col {
  min-width: 0;
  padding: 18px;
  background-color: #ffffff;
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-accent);
  border-radius: var(--radius);
}

.direction-name {
  font-size: 17px;
  font-weight: 800;
}

.direction-trait {
  margin-top: 10px;
  font-size: 14.5px;
  color: var(--c-ink-soft);
}

.direction-count {
  margin-top: 12px;
  font-size: 13px;
  color: var(--c-ink-mute);
}

.direction-group {
  margin-top: 26px;
  padding: 22px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.group-title {
  padding-bottom: 12px;
  font-size: 19px;
  font-weight: 800;
  border-bottom: 2px solid var(--c-navy);
}

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

.work-item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  min-width: 0;
  padding: 12px;
  background-color: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.work-item:hover {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-hover);
}

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

.work-cover img {
  display: block;
  width: 92px;
  height: 122px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

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

.work-name {
  font-size: 15.5px;
  font-weight: 700;
  overflow-wrap: break-word;
}

.work-tags {
  margin-top: 6px;
  font-size: 13px;
  color: var(--c-navy);
}

.work-status {
  margin-top: 6px;
  font-size: 13px;
  color: var(--c-ink-mute);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.filter-btn,
.filter-clear {
  min-height: 44px;
  padding: 0 18px;
  font-size: 14.5px;
  font-weight: 700;
  background-color: #ffffff;
  color: var(--c-navy);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.filter-btn:hover,
.filter-clear:hover {
  border-color: var(--c-accent);
  color: var(--c-accent-dark);
}

.filter-btn.is-active {
  background-color: var(--c-accent);
  border-color: var(--c-accent);
  color: #ffffff;
}

.filter-clear {
  margin-left: auto;
  color: var(--c-ink-mute);
}

.filter-note {
  margin-top: 14px;
  font-size: 14px;
  color: var(--c-ink-mute);
}

.filter-note a {
  color: var(--c-accent-dark);
  font-weight: 700;
}

.filter-note a + a {
  margin-left: 14px;
}

/* --------------------------------------------------------------------------
   pages：最近更新页
   -------------------------------------------------------------------------- */
.update-section,
.update-fields,
.update-rhythm {
  margin-top: 46px;
}

.update-media {
  margin-bottom: 28px;
}

.update-media img {
  display: block;
  width: 100%;
  height: 240px;
  object-fit: cover;
  border: 2px solid var(--c-ink);
  border-radius: var(--radius);
}

.update-media-caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--c-ink-mute);
}

.update-day {
  padding: 18px 0 6px;
  border-top: 2px solid var(--c-ink);
}

.update-day + .update-day {
  margin-top: 22px;
}

.update-day .update-date {
  font-size: 18px;
  font-weight: 800;
  color: var(--c-ink);
}

.update-day .update-list {
  margin-top: 12px;
}

.update-day .update-item {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) 150px;
  gap: 14px;
  align-items: center;
  padding: 12px;
  border-bottom: 1px solid var(--c-line-soft);
  background-color: #ffffff;
  border-radius: var(--radius-sm);
}

.update-day .update-item + .update-item {
  margin-top: 8px;
}

.update-thumb {
  display: block;
  width: 64px;
  height: 84px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.update-info {
  min-width: 0;
  font-size: 14px;
  color: var(--c-ink-soft);
}

.update-info .update-name {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--c-ink);
}

.update-info .update-genre {
  margin-top: 4px;
  font-size: 13px;
  color: var(--c-navy);
}

.update-meta {
  margin-top: 4px;
  font-size: 13px;
  color: var(--c-ink-mute);
}

.update-day .update-progress {
  text-align: right;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-accent-dark);
}

.fields-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(220px, 1fr);
  gap: 26px;
  align-items: start;
}

.fields-note {
  min-width: 0;
  padding: 20px;
  background-color: var(--c-navy-wash);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.fields-note-title {
  padding-bottom: 10px;
  font-size: 17px;
  font-weight: 800;
  border-bottom: 2px solid var(--c-navy);
}

.fields-note p {
  margin-top: 12px;
  font-size: 14.5px;
  color: var(--c-ink-soft);
}

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

.rhythm-card {
  min-width: 0;
  padding: 18px;
  background-color: #ffffff;
  border: 1px solid var(--c-line);
  border-bottom: 4px solid var(--c-accent);
  border-radius: var(--radius);
}

.rhythm-card-title {
  font-size: 16.5px;
  font-weight: 800;
}

.rhythm-card p {
  margin-top: 10px;
  font-size: 14.5px;
  color: var(--c-ink-soft);
}

/* --------------------------------------------------------------------------
   pages：人气榜单页
   -------------------------------------------------------------------------- */
.rank-section,
.rank-basis-section,
.rank-entry-section {
  margin-top: 46px;
}

.rank-section .rank-list {
  margin-top: 18px;
  border-top: 1px solid var(--c-line);
}

.rank-section .rank-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--c-line);
}

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

.rank-cover img {
  display: block;
  width: 96px;
  height: 128px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

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

.rank-section .rank-no {
  display: inline-block;
  padding: 0 8px;
  font-size: 15px;
  font-weight: 800;
  color: #ffffff;
  background-color: var(--c-accent);
  border-radius: var(--radius-sm);
}

.rank-section .rank-name {
  margin-top: 8px;
  font-size: 19px;
  font-weight: 800;
}

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

.rank-tag {
  display: inline-block;
  padding: 1px 8px;
  font-size: 12px;
  color: var(--c-navy);
  background-color: var(--c-navy-wash);
  border-radius: var(--radius-sm);
}

.rank-status {
  display: inline-block;
  padding: 1px 8px;
  font-size: 12px;
  color: var(--c-ink-soft);
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
}

.rank-section .rank-reason {
  margin-top: 10px;
  font-size: 14.5px;
  color: var(--c-ink-soft);
}

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

.basis-card {
  min-width: 0;
  padding: 18px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-top: 4px solid var(--c-navy);
  border-radius: var(--radius);
}

.basis-title {
  font-size: 16.5px;
  font-weight: 800;
}

.basis-card p {
  margin-top: 10px;
  font-size: 14.5px;
  color: var(--c-ink-soft);
}

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

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

.rank-entry-link {
  display: block;
  padding: 16px;
  background-color: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.rank-entry-link:hover {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-hover);
}

.rank-entry-name {
  display: block;
  font-size: 16px;
  font-weight: 800;
  color: var(--c-navy);
}

.rank-entry-link:hover .rank-entry-name {
  color: var(--c-accent-dark);
}

.rank-entry-desc {
  display: block;
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--c-ink-mute);
}

.rank-entry-note {
  margin-top: 18px;
  font-size: 14px;
  color: var(--c-ink-mute);
}

.rank-entry-note a {
  color: var(--c-accent-dark);
  font-weight: 700;
}

.rank-entry-note a + a {
  margin-left: 14px;
}

/* --------------------------------------------------------------------------
   pages：阅读说明页
   -------------------------------------------------------------------------- */
.section-fields,
.section-taxonomy,
.section-boundary,
.section-faq {
  margin-top: 46px;
}

.field-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(0, 1.35fr);
  gap: 26px;
  align-items: start;
}

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

.field-figure img {
  display: block;
  width: 100%;
  height: 300px;
  object-fit: cover;
  border: 2px solid var(--c-ink);
  border-radius: var(--radius);
}

.field-caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--c-ink-mute);
}

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

.taxonomy-card {
  min-width: 0;
  padding: 18px;
  background-color: #ffffff;
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-accent);
  border-radius: var(--radius);
}

.taxonomy-name {
  font-size: 16.5px;
  font-weight: 800;
}

.taxonomy-text {
  margin-top: 10px;
  font-size: 14.5px;
  color: var(--c-ink-soft);
}

.taxonomy-note {
  margin-top: 18px;
  font-size: 14px;
  color: var(--c-ink-mute);
}

.taxonomy-note a {
  color: var(--c-accent-dark);
  font-weight: 700;
}

.boundary-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(240px, 1fr);
  gap: 26px;
  align-items: start;
}

.boundary-main {
  min-width: 0;
}

.boundary-subtitle {
  font-size: 17px;
  font-weight: 800;
}

.boundary-subtitle + .boundary-list {
  margin-top: 12px;
}

.boundary-list + .boundary-subtitle {
  margin-top: 24px;
}

.boundary-list {
  padding-left: 0;
}

.boundary-item {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-ink-soft);
}

.boundary-item + .boundary-item {
  margin-top: 10px;
}

.boundary-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background-color: var(--c-accent);
  border-radius: 1px;
}

.boundary-aside {
  min-width: 0;
  padding: 20px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.boundary-text {
  margin-top: 12px;
  font-size: 14.5px;
  color: var(--c-ink-soft);
}

.feedback-list {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--c-line);
}

.feedback-item + .feedback-item {
  margin-top: 10px;
}

.feedback-item a {
  display: block;
  min-height: 44px;
  padding: 11px 14px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--c-navy);
  background-color: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.feedback-item a:hover {
  color: var(--c-accent-dark);
  border-color: var(--c-accent);
}

/* --------------------------------------------------------------------------
   pages：404
   -------------------------------------------------------------------------- */
.error-main {
  display: flex;
  justify-content: center;
  padding-top: 64px;
  padding-bottom: 80px;
}

.error-panel {
  max-width: 620px;
  text-align: left;
}

.error-code {
  font-size: 64px;
  font-weight: 800;
  line-height: 1;
  color: var(--c-accent);
}

.error-title {
  margin-top: 14px;
  font-size: 30px;
  font-weight: 800;
}

.error-text {
  margin-top: 14px;
  font-size: 16px;
  color: var(--c-ink-soft);
}

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

.error-btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 20px;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-navy);
  background-color: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.error-btn:hover {
  color: var(--c-accent-dark);
  border-color: var(--c-accent);
}

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

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

/* --------------------------------------------------------------------------
   responsive：960px 与 640px 两档断点
   -------------------------------------------------------------------------- */
@media (max-width: 960px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
    padding-top: 32px;
  }

  .hero-title {
    font-size: 34px;
  }

  .hero-visual img {
    height: 300px;
  }

  .genre-grid,
  .direction-columns,
  .rhythm-grid,
  .basis-grid,
  .taxonomy-grid,
  .rank-entry-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .duo-layout,
  .notes-layout,
  .fields-layout,
  .field-layout,
  .boundary-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
  }

  .page-title {
    font-size: 29px;
  }

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

@media (max-width: 640px) {
  .fact-bar-text {
    padding: 8px 16px;
    font-size: 12.5px;
  }

  .header-inner {
    flex-wrap: wrap;
    gap: 10px;
    padding: 0 16px;
    min-height: 62px;
  }

  .brand-name {
    font-size: 19px;
  }

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

  .site-nav {
    flex: 1 0 100%;
    margin-left: 0;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    padding: 6px 0 12px;
    border-top: 1px solid var(--c-line);
  }

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

  .nav-link {
    min-height: 44px;
    padding: 12px 8px;
    border-bottom: 1px solid var(--c-line-soft);
    border-radius: 0;
  }

  .nav-link.is-current {
    border-bottom-color: var(--c-line-soft);
    border-left: 3px solid var(--c-accent);
    padding-left: 12px;
  }

  .site-main {
    padding: 0 16px;
  }

  .inner-main {
    padding-top: 16px;
    padding-bottom: 40px;
  }

  .breadcrumb {
    font-size: 13px;
    margin-bottom: 14px;
  }

  .page-header {
    margin-bottom: 26px;
    padding-bottom: 16px;
  }

  .page-title {
    font-size: 25px;
  }

  .page-description {
    font-size: 15px;
  }

  .section {
    margin-top: 38px;
  }

  .section-title {
    font-size: 20px;
    padding-left: 10px;
    border-left-width: 4px;
  }

  .section-sub,
  .section-lead,
  .section-desc {
    font-size: 14.5px;
  }

  .hero {
    padding-top: 24px;
  }

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

  .hero-lead {
    font-size: 15.5px;
  }

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

  .hero-visual img {
    height: 220px;
  }

  .genre-grid,
  .direction-columns,
  .rhythm-grid,
  .basis-grid,
  .taxonomy-grid,
  .rank-entry-list,
  .shelf-grid,
  .work-list,
  .index-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .duo-col,
  .notes-col,
  .direction-group,
  .fields-note,
  .boundary-aside {
    padding: 16px;
  }

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

  .update-progress {
    text-align: left;
  }

  .update-day .update-item {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 12px;
  }

  .update-day .update-progress {
    grid-column: 2;
    text-align: left;
  }

  .rank-section .rank-item {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 14px;
  }

  .rank-cover img {
    width: 76px;
    height: 102px;
  }

  .work-item {
    grid-template-columns: 84px minmax(0, 1fr);
  }

  .work-cover img {
    width: 84px;
    height: 112px;
  }

  .filter-clear {
    margin-left: 0;
  }

  .field-table th,
  .field-table td {
    padding: 10px 12px;
    font-size: 14px;
  }

  .field-table tbody th {
    width: 38%;
  }

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

  .field-figure img {
    height: 220px;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
    padding: 30px 16px 24px;
  }

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

  .error-main {
    padding-top: 40px;
    padding-bottom: 56px;
  }

  .error-code {
    font-size: 52px;
  }

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

/* 滚动出现增强：默认完全可见，仅在支持环境下轻微上移 */
@media (prefers-reduced-motion: no-preference) {
  .cover-card,
  .genre-card,
  .index-card,
  .work-item,
  .rhythm-card,
  .basis-card,
  .taxonomy-card,
  .rank-entry-link {
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  }
}