/* =========================================================
   动漫之家 · 全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================= */

/* ---------------------------------------------------------
   base
   --------------------------------------------------------- */
:root {
  --ink: #14161d;
  --ink-soft: #1d2029;
  --panel: #f5f6f8;
  --paper: #ffffff;
  --accent: #e0403c;
  --teal: #3f7f8c;
  --muted: #6b7280;
  --line: #e2e4ea;
  --line-dark: #2b2f3a;
  --radius: 8px;
  --radius-sm: 6px;
  --shadow: 0 1px 2px rgba(20, 22, 29, .06), 0 6px 18px rgba(20, 22, 29, .06);
  --shadow-lift: 0 4px 10px rgba(20, 22, 29, .10), 0 14px 30px rgba(20, 22, 29, .10);
  --shell: 1200px;
  --gap: 24px;
}

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

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

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

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

h1 {
  font-size: 30px;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 17px;
}

p {
  margin: 0;
}

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

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

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

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

figure {
  margin: 0;
}

time,
.rank-row__no,
.rank-item__position,
.record-row__date,
.update-row__date,
.update-row__range,
.record-row__range,
.genre-panel__no,
.step-strip__num,
.path-step__num {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-variant-numeric: tabular-nums;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 10px 16px;
  background: var(--accent);
  color: #fff;
  border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus {
  left: 0;
  color: #fff;
}

/* ---------------------------------------------------------
   layout · 全站骨架
   --------------------------------------------------------- */
.site-body {
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.75;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--ink);
  color: #eef0f4;
  border-bottom: 1px solid var(--line-dark);
}

.site-header__inner {
  position: relative;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 18px;
}

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

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

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

.inner-main {
  padding-top: 20px;
  padding-bottom: 56px;
}

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

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

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

.breadcrumb-sep {
  color: #b9bcc6;
}

.breadcrumb-current {
  color: var(--ink);
  font-weight: 600;
}

.page-header {
  padding: 18px 0 26px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.page-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

.page-description {
  margin-top: 10px;
  max-width: 760px;
  font-size: 15px;
  color: var(--muted);
}

.section {
  margin-bottom: 48px;
}

.section__head {
  margin-bottom: 20px;
}

.section__title,
.section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
}

.section__desc,
.section__lead,
.section-lead,
.section-intro,
.section-desc {
  margin-top: 8px;
  max-width: 760px;
  font-size: 15px;
  color: var(--muted);
}

.section__foot {
  margin-top: 16px;
}

.section-note {
  margin-top: 16px;
  font-size: 14px;
  color: var(--muted);
}

.text-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--teal);
  border-bottom: 1px solid rgba(63, 127, 140, .35);
  padding-bottom: 1px;
}

.text-link:hover {
  color: var(--accent);
  border-bottom-color: rgba(224, 64, 60, .45);
}

/* 页脚 */
.site-footer {
  margin-top: 40px;
  background: var(--ink);
  color: #c8ccd6;
  font-size: 14px;
}

.site-footer__inner {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 40px 20px 24px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 32px;
}

.footer-col__title {
  margin-bottom: 12px;
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
}

.footer-brand {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
}

.footer-desc {
  margin-top: 8px;
  color: #9aa1af;
  line-height: 1.7;
}

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

.footer-list a {
  color: #c8ccd6;
}

.footer-list a:hover {
  color: #ffffff;
}

.footer-note {
  color: #9aa1af;
  line-height: 1.7;
}

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

.site-footer__bottom {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 16px 20px 28px;
  border-top: 1px solid var(--line-dark);
  font-size: 13px;
  color: #828a99;
}

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

/* 品牌标识 */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.brand__mark {
  position: relative;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--accent);
}

.brand__mark::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 9px;
  width: 16px;
  height: 16px;
  border: 2px solid #fff;
  border-radius: 3px;
}

.brand__mark::after {
  content: "";
  position: absolute;
  left: 14px;
  top: 12px;
  width: 2px;
  height: 12px;
  background: #fff;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand__name {
  font-size: 17px;
  font-weight: 700;
  color: #ffffff;
}

.brand__slogan {
  font-size: 12px;
  color: #9aa1af;
}

/* 导航 */
.nav-list__item {
  display: block;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  font-size: 15px;
  color: #d3d7e0;
  border-radius: var(--radius-sm);
}

.nav-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, .07);
}

.nav-link.is-current {
  color: #ffffff;
  font-weight: 700;
  background: rgba(224, 64, 60, .18);
  box-shadow: inset 0 -2px 0 var(--accent);
}

/* 汉堡按钮：桌面隐藏 */
.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  background: #eef0f4;
}

/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  line-height: 1.6;
  white-space: nowrap;
}

.tag--genre {
  background: rgba(63, 127, 140, .12);
  color: var(--teal);
}

.tag--status {
  background: rgba(224, 64, 60, .10);
  color: var(--accent);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
}

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

.btn--primary:hover {
  background: #c93632;
  color: #ffffff;
}

.btn--ghost {
  border-color: var(--line);
  color: var(--ink);
  background: var(--paper);
}

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

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

/* 顶部事实条 */
.fact-bar {
  background: var(--ink-soft);
  color: #b9bfcc;
  font-size: 13px;
}

.fact-bar__lead,
.fact-bar__note {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 8px 20px;
}

.fact-bar__lead {
  color: #e5e8ee;
  border-bottom: 1px solid var(--line-dark);
}

.fact-bar__note {
  color: #8f97a6;
}

/* 首屏 */
.hero {
  padding: 40px 0 44px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.hero__inner {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 40px;
  align-items: center;
}

.hero__eyebrow {
  font-size: 13px;
  font-weight: 600;
  color: var(--teal);
}

.hero__title {
  margin-top: 10px;
  font-size: 34px;
  line-height: 1.28;
}

.hero__summary {
  margin-top: 14px;
  max-width: 620px;
  font-size: 15.5px;
  color: #4a505d;
}

.hero__paths {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.hero__path {
  display: block;
}

.path-link {
  display: block;
  height: 100%;
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.path-link:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.path-link__label {
  display: block;
  font-size: 15px;
  font-weight: 700;
}

.path-link__desc {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--muted);
}

.hero__media {
  position: relative;
}

.hero__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.hero__caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
}

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

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

.genre-panel {
  padding: 20px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--teal);
  border-radius: var(--radius);
}

.genre-panel__no {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--teal);
}

.genre-panel__name {
  margin-top: 6px;
  font-size: 17px;
}

.genre-panel__trait {
  margin-top: 8px;
  font-size: 14px;
  color: #4a505d;
}

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

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

.cover-card {
  display: flex;
  flex-direction: column;
  padding: 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

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

.cover-card__media {
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--panel);
}

.cover-card__media img {
  width: 100%;
  aspect-ratio: 3 / 4;
  height: auto;
  object-fit: cover;
}

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

.cover-card__tags {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* 更新记录 + 榜单并列 */
.dual-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--gap);
}

.dual-col {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.dual-col--rank {
  background: var(--ink);
  border-color: var(--line-dark);
  color: #d3d7e0;
}

.dual-col__title {
  font-size: 18px;
}

.dual-col--rank .dual-col__title {
  color: #ffffff;
}

.dual-col__desc {
  margin-top: 6px;
  font-size: 14px;
  color: var(--muted);
}

.dual-col--rank .dual-col__desc {
  color: #9aa1af;
}

.dual-col__foot {
  margin-top: 16px;
}

.dual-col--rank .text-link {
  color: #7fc0cd;
  border-bottom-color: rgba(127, 192, 205, .4);
}

.update-list {
  margin-top: 16px;
}

.update-row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) 84px 96px;
  gap: 10px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}

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

.update-row__date {
  font-size: 13px;
  color: var(--muted);
}

.update-row__name {
  font-weight: 600;
}

.update-row__genre {
  font-size: 13px;
  color: var(--teal);
}

.update-row__range {
  font-size: 13px;
  color: var(--muted);
  text-align: right;
}

.rank-list {
  margin-top: 16px;
}

.rank-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 4px 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line-dark);
}

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

.rank-row__no {
  grid-row: 1 / span 2;
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.4;
}

.rank-row__name {
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
}

.rank-row__note {
  font-size: 13px;
  color: #9aa1af;
}

/* 字段与边界摘要 */
.boundary-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--gap);
}

.boundary-col {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.boundary-col__title {
  font-size: 17px;
}

.boundary-col__lead {
  margin-top: 8px;
  font-size: 14px;
  color: var(--muted);
}

.boundary-col__foot {
  margin-top: 16px;
}

.field-brief {
  margin-top: 14px;
}

.field-brief__item {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}

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

.field-brief__key {
  font-weight: 700;
  color: var(--ink);
}

.field-brief__val {
  color: #4a505d;
}

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

.scope-list__item {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: #4a505d;
}

.scope-list__item + .scope-list__item {
  margin-top: 8px;
}

.scope-list__item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.scope-list__item--in::before {
  background: var(--teal);
}

.scope-list__item--out::before {
  background: var(--accent);
}

/* 站内栏目索引 */
.column-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
}

.column-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  background: var(--paper);
  transition: border-color .18s ease, box-shadow .18s ease;
}

.column-card:hover {
  box-shadow: var(--shadow);
}

.column-card__name {
  font-size: 16px;
}

.column-card__link {
  color: var(--ink);
}

.column-card__link:hover {
  color: var(--accent);
}

.column-card__desc {
  margin-top: 8px;
  font-size: 13.5px;
  color: var(--muted);
}

/* ---------------------------------------------------------
   pages · 题材分类
   --------------------------------------------------------- */
.index-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: var(--gap);
  align-items: start;
}

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

.index-rail__title {
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
}

.index-rail__list {
  margin-top: 12px;
}

.index-rail__item + .index-rail__item {
  margin-top: 4px;
}

.index-rail__link {
  display: block;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  color: #3d4350;
}

.index-rail__link:hover {
  background: rgba(63, 127, 140, .10);
  color: var(--teal);
}

.index-rail__link.is-active {
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
}

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

.index-panel__title {
  font-size: 19px;
}

.index-panel__text {
  margin-top: 12px;
  max-width: 760px;
  font-size: 15px;
  color: #4a505d;
}

.index-panel__text a {
  color: var(--teal);
  border-bottom: 1px solid rgba(63, 127, 140, .35);
}

.index-panel__text a:hover {
  color: var(--accent);
}

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

.direction-note + .direction-note {
  margin-top: 14px;
}

.direction-note__name {
  font-size: 17px;
}

.direction-note__feature {
  margin-top: 8px;
  font-size: 14.5px;
  color: #3d4350;
}

.direction-note__setting {
  margin-top: 6px;
  font-size: 14px;
  color: var(--muted);
}

.rep-panel {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.rep-panel + .rep-panel {
  margin-top: 20px;
}

.rep-panel__intro {
  padding-left: 14px;
  border-left: 3px solid var(--teal);
}

.rep-panel__name {
  font-size: 18px;
}

.rep-panel__text {
  margin-top: 8px;
  max-width: 760px;
  font-size: 14.5px;
  color: #4a505d;
}

.rep-list {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.rep-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.rep-card__media {
  background: #e9ebef;
}

.rep-card__media img {
  width: 100%;
  aspect-ratio: 3 / 4;
  height: auto;
  object-fit: cover;
}

.rep-card__body {
  padding: 12px 12px 14px;
}

.rep-card__name {
  font-size: 15px;
  font-weight: 700;
}

.rep-card__tags {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.rep-card__field {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
}

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

.bridge-col {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.bridge-col__title {
  font-size: 17px;
}

.bridge-col__text {
  margin-top: 8px;
  font-size: 14.5px;
  color: #4a505d;
}

.bridge-col__link {
  margin-top: 12px;
}

.bridge-note {
  margin-top: 16px;
  font-size: 14px;
  color: var(--muted);
}

.bridge-note a {
  color: var(--teal);
  border-bottom: 1px solid rgba(63, 127, 140, .35);
}

.bridge-note a:hover {
  color: var(--accent);
}

/* ---------------------------------------------------------
   pages · 最近更新
   --------------------------------------------------------- */
.rule-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

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

.rule-card__title {
  font-size: 16px;
}

.rule-card__text {
  margin-top: 8px;
  font-size: 14px;
  color: var(--muted);
}

.record-feature {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 20px;
  padding: 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  background: var(--panel);
}

.record-feature__media img {
  width: 100%;
  aspect-ratio: 3 / 4;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.record-feature__caption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
}

.record-feature__body .tag + .tag {
  margin-left: 6px;
}

.record-feature__title {
  margin-top: 10px;
  font-size: 19px;
}

.record-feature__text {
  margin-top: 10px;
  font-size: 14.5px;
  color: #4a505d;
}

.record-feature__text a {
  color: var(--teal);
  border-bottom: 1px solid rgba(63, 127, 140, .35);
}

.record-feature__fields {
  margin: 14px 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.field-row {
  padding: 10px 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.field-row__name {
  font-size: 12.5px;
  color: var(--muted);
}

.field-row__value {
  margin: 4px 0 0;
  font-size: 14.5px;
  font-weight: 600;
}

.record-group {
  margin-top: 24px;
}

.record-group__date {
  padding-bottom: 8px;
  font-size: 15px;
  color: var(--accent);
  border-bottom: 2px solid var(--line);
}

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

.record-row {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr) 110px 120px;
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14.5px;
}

.record-row__date {
  font-size: 13px;
  color: var(--muted);
}

.record-row__name {
  font-weight: 600;
}

.record-row__genre {
  font-size: 13px;
  color: var(--teal);
}

.record-row__range {
  font-size: 13px;
  color: var(--muted);
  text-align: right;
}

.record-list__note {
  margin-top: 20px;
  font-size: 14px;
  color: var(--muted);
}

.record-list__note a {
  color: var(--teal);
  border-bottom: 1px solid rgba(63, 127, 140, .35);
}

.record-list__note a:hover {
  color: var(--accent);
}

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

.compare-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.compare-card__title {
  font-size: 17px;
}

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

.compare-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: #4a505d;
}

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

.compare-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}

.compare-card__link {
  margin-top: 14px;
}

/* ---------------------------------------------------------
   pages · 人气榜单
   --------------------------------------------------------- */
.rank-method__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
}

.method-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.method-card__title {
  font-size: 17px;
}

.method-card__text {
  margin-top: 8px;
  font-size: 14.5px;
  color: #4a505d;
}

.rank-board .rank-list {
  margin-top: 20px;
}

.rank-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.rank-item + .rank-item {
  margin-top: 12px;
}

.rank-item__position {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: var(--radius-sm);
  background: var(--panel);
  font-size: 17px;
  font-weight: 700;
  color: var(--muted);
}

.rank-item--top {
  grid-template-columns: 56px 120px minmax(0, 1fr);
  border-left: 3px solid var(--accent);
  background: var(--panel);
}

.rank-item--top .rank-item__position {
  background: var(--accent);
  color: #ffffff;
}

.rank-item__cover {
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: #e9ebef;
}

.rank-item__cover img {
  width: 100%;
  aspect-ratio: 3 / 4;
  height: auto;
  object-fit: cover;
}

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

.rank-item__name {
  font-size: 17px;
}

.rank-item__meta {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.rank-item__note {
  margin-top: 8px;
  font-size: 14px;
  color: var(--muted);
}

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

.cross-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.cross-card__title {
  font-size: 17px;
}

.cross-card__text {
  margin-top: 8px;
  font-size: 14.5px;
  color: #4a505d;
}

.cross-card__link {
  margin-top: 12px;
}

.cross-entry__note {
  margin-top: 16px;
  font-size: 14px;
  color: var(--muted);
}

.cross-entry__note a {
  color: var(--teal);
  border-bottom: 1px solid rgba(63, 127, 140, .35);
}

.cross-entry__note a:hover {
  color: var(--accent);
}

/* ---------------------------------------------------------
   pages · 条目字段说明
   --------------------------------------------------------- */
.field-figure {
  margin: 18px 0 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.field-figure img {
  width: 100%;
  aspect-ratio: 16 / 7;
  height: auto;
  object-fit: cover;
}

.field-figure figcaption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.field-table {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.field-table__head,
.field-table__row {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) minmax(0, 1.1fr);
}

.field-table__head {
  background: var(--ink);
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
}

.field-table__row {
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.field-table__row:nth-child(even) {
  background: var(--panel);
}

.field-table__cell {
  min-width: 0;
  padding: 12px 14px;
  font-size: 14px;
}

.field-table__cell--name {
  font-weight: 700;
}

.field-table__cell--mean {
  color: #4a505d;
}

.field-table__cell--rule {
  color: var(--muted);
}

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

.scope-col {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.scope-col--in {
  border-top: 3px solid var(--teal);
}

.scope-col--out {
  border-top: 3px solid var(--accent);
}

.scope-col__title {
  font-size: 17px;
}

.scope-col .scope-list {
  margin-top: 14px;
}

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

.bias-item {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.bias-item__wrong {
  font-size: 14.5px;
  color: var(--accent);
}

.bias-item__right {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
  font-size: 14.5px;
  color: #3d4350;
}

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

.related-card {
  display: block;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.related-card:hover {
  transform: translateY(-2px);
  border-color: var(--teal);
  box-shadow: var(--shadow);
}

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

.related-card__desc {
  display: block;
  margin-top: 6px;
  font-size: 13.5px;
  color: var(--muted);
}

/* ---------------------------------------------------------
   pages · 查阅路径指引
   --------------------------------------------------------- */
.path-overview .section-lead,
.path-steps .section-lead,
.path-checks .section-lead,
.path-feedback .section-lead {
  margin-bottom: 4px;
}

.path-figure {
  margin: 18px 0 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.path-figure img {
  width: 100%;
  aspect-ratio: 16 / 7;
  height: auto;
  object-fit: cover;
}

.path-figure figcaption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.step-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.step-strip__item {
  display: block;
}

.step-strip__link {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 60px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color .18s ease, box-shadow .18s ease;
}

.step-strip__link:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.step-strip__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border-radius: 50%;
  background: var(--accent);
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
}

.step-strip__name {
  font-size: 15px;
  font-weight: 700;
}

.path-step {
  padding: 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--teal);
  border-radius: var(--radius);
  background: var(--paper);
}

.path-step + .path-step {
  margin-top: 16px;
}

.path-step__head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.path-step__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
}

.path-step__title {
  font-size: 18px;
}

.path-step__desc {
  margin-top: 12px;
  max-width: 760px;
  font-size: 15px;
  color: #4a505d;
}

.path-step__desc a {
  color: var(--teal);
  border-bottom: 1px solid rgba(63, 127, 140, .35);
}

.path-step__desc a:hover {
  color: var(--accent);
}

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

.check-col {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.check-col__title {
  font-size: 16px;
}

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

.check-list__item {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: #4a505d;
}

.check-list__item + .check-list__item {
  margin-top: 8px;
}

.check-list__item::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}

.check-note {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  color: var(--muted);
}

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

.feedback-flow__item {
  position: relative;
  padding: 16px 16px 16px 18px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  background: var(--panel);
  font-size: 14px;
  color: #3d4350;
}

.feedback-note {
  margin-top: 16px;
  font-size: 14px;
  color: var(--muted);
}

.entry-links {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
}

.entry-links__col {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.entry-links__title {
  font-size: 16px;
}

.entry-links__desc {
  margin-top: 8px;
  font-size: 14px;
  color: var(--muted);
}

.entry-links__action {
  margin-top: 12px;
}

.entry-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
}

.entry-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------------------------------------------------------
   pages · 404
   --------------------------------------------------------- */
.error-main {
  padding-top: 40px;
  padding-bottom: 64px;
}

.error-panel {
  max-width: 680px;
  padding: 32px 28px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  background: var(--panel);
}

.error-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
}

.error-title {
  margin-top: 10px;
  font-size: 26px;
}

.error-text {
  margin-top: 12px;
  font-size: 15px;
  color: #4a505d;
}

.error-list {
  margin-top: 18px;
}

.error-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  color: var(--muted);
}

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

.error-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}

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

/* ---------------------------------------------------------
   responsive
   --------------------------------------------------------- */
@media (max-width: 1024px) {
  .genre-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    padding: 8px 20px 16px;
    background: var(--ink);
    border-bottom: 1px solid var(--line-dark);
    box-shadow: var(--shadow);
  }

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

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

  .nav-link {
    width: 100%;
    justify-content: flex-start;
  }

  .hero__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

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

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

  .dual-grid,
  .boundary-grid,
  .bridge-grid,
  .compare-grid,
  .rank-method__grid,
  .cross-entry__grid,
  .scope-columns {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

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

  .record-feature {
    grid-template-columns: 160px minmax(0, 1fr);
  }

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

  .record-row {
    grid-template-columns: 92px minmax(0, 1fr) 96px 104px;
  }

  .step-strip,
  .entry-links {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

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

@media (max-width: 600px) {
  body {
    font-size: 15.5px;
  }

  .site-header__inner,
  .site-main,
  .hero__inner,
  .fact-bar__lead,
  .fact-bar__note,
  .site-footer__inner,
  .site-footer__bottom {
    padding-left: 16px;
    padding-right: 16px;
  }

  .site-nav {
    padding-left: 16px;
    padding-right: 16px;
  }

  .brand__slogan {
    display: none;
  }

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

  .hero__title {
    font-size: 26px;
  }

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

  .genre-grid,
  .shelf-grid,
  .column-grid,
  .rep-list,
  .related-grid,
  .feedback-flow {
    grid-template-columns: minmax(0, 1fr);
  }

  .update-row {
    grid-template-columns: 88px minmax(0, 1fr);
    row-gap: 2px;
  }

  .update-row__genre,
  .update-row__range {
    grid-column: 2;
    text-align: left;
  }

  .rank-row {
    grid-template-columns: 34px minmax(0, 1fr);
  }

  .field-brief__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

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

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

  .record-row {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 2px;
  }

  .record-row__range {
    text-align: left;
  }

  .rank-item,
  .rank-item--top {
    grid-template-columns: 48px minmax(0, 1fr);
  }

  .rank-item__cover {
    grid-column: 2;
    max-width: 140px;
  }

  .rank-item--top .rank-item__body {
    grid-column: 2;
  }

  .field-table__head {
    display: none;
  }

  .field-table__row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    padding: 12px 14px;
  }

  .field-table__cell {
    padding: 4px 0;
  }

  .field-table__cell--name {
    font-size: 15px;
  }

  .field-table__cell--mean::before {
    content: "含义：";
    color: var(--muted);
  }

  .field-table__cell--rule::before {
    content: "填写口径：";
    color: var(--muted);
  }

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

  .error-panel {
    padding: 24px 18px;
  }

  .error-code {
    font-size: 32px;
  }
}