:root {
  --paper: #f4f2ee;
  --ink: #22201d;
  --ink-soft: #5c5852;
  --zone-1: #3b5b8c;
  --zone-2: #b06a2c;
  --zone-3: #4f7355;
  --zone-4: #9c4a44;
  --line: #d8d3c9;
  --status: #2f6f52;
  --panel: #fbfaf7;
  --radius: 6px;
  --wrap: 1080px;
  --gap: 24px;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-title: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

/* ============ base ============ */

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

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

body.site-body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  font-variant-numeric: tabular-nums;
}

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

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

a:hover,
a:focus-visible {
  color: var(--zone-1);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-title);
  font-weight: 600;
  line-height: 1.35;
  margin: 0;
  color: var(--ink);
}

p {
  margin: 0;
}

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

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

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

:focus-visible {
  outline: 2px solid var(--zone-1);
  outline-offset: 2px;
}

/* ============ layout ============ */

.fact-bar {
  background: #ece8e1;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-soft);
}

.fact-bar-inner,
.fact-bar p.fact-bar-text {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 8px 20px;
}

.utility-bar {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.utility-bar-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 6px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px 20px;
}

.utility-bar > ul.utility-list {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 6px 20px;
}

.utility-note {
  font-size: 13px;
  color: var(--ink-soft);
  margin-right: auto;
}

.utility-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 13px;
  justify-content: flex-end;
}

.utility-list a {
  color: var(--ink-soft);
  padding: 4px 0;
  display: inline-block;
}

.utility-list a:hover,
.utility-list a:focus-visible {
  color: var(--zone-1);
}

.site-header {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 20;
}

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

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

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: var(--radius);
  background: var(--zone-1);
  display: inline-block;
  position: relative;
  flex-shrink: 0;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 9px;
  border: 2px solid var(--paper);
  border-radius: 2px;
}

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

.brand-name {
  font-size: 17px;
  font-weight: 600;
  font-family: var(--font-title);
}

.brand-slogan {
  font-size: 12px;
  color: var(--ink-soft);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
}

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

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

.nav-list a {
  display: block;
  padding: 8px 12px;
  font-size: 15px;
  border-radius: var(--radius);
  color: var(--ink);
}

.nav-list a:hover,
.nav-list a:focus-visible {
  background: #ece8e1;
  color: var(--zone-1);
}

.nav-list a.is-current {
  color: var(--zone-1);
  font-weight: 600;
  border-bottom: 2px solid var(--zone-1);
  border-radius: 0;
}

.site-main {
  display: block;
}

.inner-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 20px 20px 56px;
}

.breadcrumb {
  font-size: 13px;
  color: var(--ink-soft);
  padding: 4px 0 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

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

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--zone-1);
}

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

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

.page-header {
  padding: 0 0 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
}

.page-title {
  font-size: 30px;
  font-weight: 600;
  margin-bottom: 12px;
}

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

.field-hint,
.page-hint {
  font-size: 13px;
  color: var(--ink-soft);
  border-left: 3px solid var(--line);
  padding-left: 10px;
}

.field-hint a,
.page-hint a {
  color: var(--zone-1);
  text-decoration: underline;
}

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 720px) 300px;
  gap: 60px;
  align-items: start;
}

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

.layout-aside {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-left .page-layout {
  grid-template-columns: 300px minmax(0, 720px);
}

.section {
  margin-bottom: 40px;
}

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

.section-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
}

.section-desc {
  font-size: 14px;
  color: var(--ink-soft);
  max-width: 720px;
}

.subsection-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 12px;
}

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

.btn {
  display: inline-block;
  padding: 11px 20px;
  border-radius: var(--radius);
  font-size: 15px;
  border: 1px solid transparent;
  min-height: 44px;
  line-height: 1.5;
}

.btn-primary {
  background: var(--zone-1);
  color: #fff;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #2f4a72;
  color: #fff;
}

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

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--zone-1);
  color: var(--zone-1);
}

/* ============ components ============ */

.topic-swatch {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background: var(--zone-1);
  flex-shrink: 0;
}

.topic-swatch-1 {
  background: var(--zone-1);
}

.topic-swatch-2 {
  background: var(--zone-2);
}

.topic-swatch-3 {
  background: var(--zone-3);
}

.topic-swatch-4 {
  background: var(--zone-4);
}

.topic-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.topic-head .section-title {
  margin-bottom: 0;
  font-size: 19px;
}

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

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

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

.cover-card figcaption {
  font-size: 12px;
  color: var(--ink-soft);
  padding: 6px 8px;
  line-height: 1.4;
}

.status {
  display: inline-block;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 10px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  background: var(--paper);
  white-space: nowrap;
}

.status-ongoing {
  color: var(--status);
  border-color: #b8d3c5;
  background: #eef5f0;
}

.status-paused {
  color: var(--zone-2);
  border-color: #e0c9ae;
  background: #f8f0e7;
}

.status-finished,
.status-completed {
  color: var(--zone-1);
  border-color: #c3d0e2;
  background: #eef1f6;
}

.status-hiatus {
  color: var(--zone-4);
  border-color: #e0c3c1;
  background: #f7eeee;
}

.tag {
  display: inline-block;
  font-size: 12px;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 1px 7px;
  background: var(--paper);
  white-space: nowrap;
}

/* ============ pages: index ============ */

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

.hero-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 48px;
  align-items: start;
}

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

.hero-eyebrow {
  font-size: 13px;
  color: var(--zone-1);
  margin-bottom: 12px;
}

.hero-title {
  font-size: 30px;
  font-weight: 600;
  margin-bottom: 16px;
}

.hero-summary {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 520px;
  margin-bottom: 22px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.hero-fact dt {
  font-size: 12px;
  color: var(--ink-soft);
  margin-bottom: 2px;
}

.hero-fact dd {
  font-size: 15px;
  font-weight: 600;
}

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

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

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

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

.notice-list li {
  font-size: 13px;
  color: var(--ink-soft);
  padding-left: 14px;
  position: relative;
}

.notice-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--status);
}

.notice-note {
  font-size: 12px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

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

.hero-figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.hero-figure figcaption {
  font-size: 12px;
  color: var(--ink-soft);
  padding: 8px 12px;
}

.home-main > .section {
  max-width: var(--wrap);
  margin: 0 auto 44px;
  padding: 0 20px;
}

.section-topics {
  padding-top: 40px;
}

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

.topic-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 3px solid var(--zone-1);
}

.topic-card.topic-1 {
  border-top-color: var(--zone-1);
}

.topic-card.topic-2 {
  border-top-color: var(--zone-2);
}

.topic-card.topic-3 {
  border-top-color: var(--zone-3);
}

.topic-card.topic-4 {
  border-top-color: var(--zone-4);
}

.topic-card.topic-2 .topic-swatch {
  background: var(--zone-2);
}

.topic-card.topic-3 .topic-swatch {
  background: var(--zone-3);
}

.topic-card.topic-4 .topic-swatch {
  background: var(--zone-4);
}

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

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

.topic-link {
  font-size: 14px;
  color: var(--zone-1);
  margin-top: auto;
  padding-top: 4px;
}

.topic-link::after {
  content: " →";
}

.topic-link:hover,
.topic-link:focus-visible {
  text-decoration: underline;
}

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

.update-row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1.4fr) 96px minmax(0, 1.6fr) auto 72px;
  gap: 14px;
  align-items: center;
  padding: 12px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

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

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

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

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

.update-link {
  font-size: 13px;
  color: var(--zone-1);
  text-align: right;
}

.update-link:hover,
.update-link:focus-visible {
  text-decoration: underline;
}

.section-ranking .ranking-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.ranking-main,
.ranking-aside {
  min-width: 0;
}

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

.rank-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1.2fr) 110px minmax(0, 1.4fr);
  gap: 12px;
  align-items: center;
  padding: 11px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.rank-no {
  font-size: 15px;
  font-weight: 600;
  color: var(--zone-2);
}

.rank-name {
  font-weight: 600;
}

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

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

.editor-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 14px;
}

.editor-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 12px 14px;
}

.editor-name {
  display: block;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

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

.editor-note {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.editor-link {
  font-size: 14px;
  color: var(--zone-1);
}

.editor-link:hover,
.editor-link:focus-visible {
  text-decoration: underline;
}

.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.guide-main,
.guide-side {
  min-width: 0;
}

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

.guide-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 14px 16px;
}

.guide-term {
  display: block;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

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

.guide-link {
  font-size: 14px;
  color: var(--zone-1);
}

.guide-link:hover,
.guide-link:focus-visible {
  text-decoration: underline;
}

.section-index .index-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.index-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.index-name {
  font-size: 15px;
  font-weight: 600;
}

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

.index-link {
  font-size: 13px;
  color: var(--zone-1);
  margin-top: auto;
}

.index-link:hover,
.index-link:focus-visible {
  text-decoration: underline;
}

/* ============ pages: topics ============ */

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

.topic-overview > p {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.overview-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 24px;
}

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

.overview-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--zone-1);
}

.overview-list strong {
  color: var(--ink);
}

.topic-block {
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

.topic-block .topic-scope {
  margin-bottom: 16px;
}

.work-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.work-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 14px 16px;
}

.work-name {
  font-size: 16px;
  margin-bottom: 6px;
}

.work-meta {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

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

.topic-media {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.topic-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.topic-media figcaption {
  font-size: 12px;
  color: var(--ink-soft);
  padding: 8px 12px;
}

.section-lead {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 16px;
}

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

.feature-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 16px;
}

.feature-name {
  font-size: 16px;
  margin-bottom: 6px;
}

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

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

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

.aside-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
}

.aside-list li {
  color: var(--ink-soft);
}

.aside-list strong {
  color: var(--ink);
}

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

.aside-list a:hover,
.aside-list a:focus-visible {
  color: var(--zone-1);
}

.aside-note,
.aside-desc {
  font-size: 13px;
  color: var(--ink-soft);
  margin-top: 10px;
}

.aside-link {
  font-size: 13px;
  margin-top: 10px;
}

.aside-link a {
  color: var(--zone-1);
}

/* ============ pages: updates ============ */

.content-section {
  margin-bottom: 40px;
}

.field-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 24px;
}

.field-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 12px 14px;
}

.field-item dt {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

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

.update-list .update-row {
  grid-template-columns: 92px 96px minmax(0, 1fr) 88px;
  gap: 16px;
  align-items: start;
  padding: 16px 4px;
}

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

.update-thumb img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

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

.update-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.update-meta {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

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

.update-row .update-link {
  font-size: 13px;
  color: var(--zone-1);
  text-align: left;
  margin-top: 6px;
}

.update-row .update-link a {
  color: var(--zone-1);
}

.update-row .update-link a:hover,
.update-row .update-link a:focus-visible {
  text-decoration: underline;
}

.status-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.status-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 12px 14px;
}

.status-name {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
}

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

.related-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.related-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 14px;
  display: block;
}

.related-card:hover,
.related-card:focus-visible {
  border-color: var(--zone-1);
}

.related-name {
  font-size: 15px;
  margin-bottom: 6px;
}

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

.related-more {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 14px;
}

.related-more a {
  color: var(--zone-1);
}

.related-more a:hover,
.related-more a:focus-visible {
  text-decoration: underline;
}

/* ============ pages: ranking ============ */

.rank-section {
  margin-bottom: 40px;
}

.rank-section > h2,
.rank-basis > h2,
.editor-picks > h2,
.rank-cross > h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.section-note {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 16px;
}

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

.rank-section .rank-item {
  grid-template-columns: 44px 72px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px 4px;
}

.rank-index {
  font-size: 17px;
  font-weight: 600;
  color: var(--zone-2);
}

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

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

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

.rank-entry {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.rank-tags {
  font-size: 13px;
  color: var(--ink-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 6px;
}

.rank-basis {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 18px 20px;
  margin-bottom: 40px;
}

.rank-basis > p {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.basis-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 24px;
}

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

.basis-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--zone-1);
}

.editor-picks {
  margin-bottom: 40px;
}

.editor-picks .editor-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.editor-picks .editor-item {
  padding: 14px 16px;
}

.editor-tags {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.rank-cross {
  margin-bottom: 40px;
}

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

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

.cross-name {
  font-size: 16px;
  margin-bottom: 6px;
}

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

.cross-link {
  font-size: 14px;
}

.cross-link a {
  color: var(--zone-1);
}

.cross-link a:hover,
.cross-link a:focus-visible {
  text-decoration: underline;
}

/* ============ pages: guide ============ */

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

.side-panel {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.guide-section {
  margin-bottom: 40px;
}

.guide-section .section-intro {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 16px;
}

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

.guide-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.guide-figure figcaption {
  font-size: 12px;
  color: var(--ink-soft);
  padding: 8px 12px;
}

.field-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.field-table-caption {
  caption-side: top;
  text-align: left;
  font-size: 13px;
  color: var(--ink-soft);
  padding-bottom: 8px;
}

.field-table th,
.field-table td {
  border: 1px solid var(--line);
  padding: 10px 14px;
  text-align: left;
  vertical-align: top;
}

.field-table thead th {
  background: #ece8e1;
  font-weight: 600;
  font-size: 14px;
}

.field-table tbody th {
  font-weight: 600;
  white-space: nowrap;
}

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

.guide-section .subsection-title {
  margin-top: 20px;
}

.guide-section .status-list {
  margin-bottom: 4px;
}

.tag-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.tag-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 12px 14px;
}

.tag-name {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
}

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

.section-tail {
  font-size: 14px;
  margin-top: 14px;
}

.section-tail a {
  color: var(--zone-1);
}

.section-tail a:hover,
.section-tail a:focus-visible {
  text-decoration: underline;
}

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

.chapter-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 11px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

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

.chapter-name {
  font-weight: 600;
}

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

.feedback-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feedback-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 12px 14px;
}

.feedback-name {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
}

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

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

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

.faq-question {
  cursor: pointer;
  padding: 13px 16px;
  font-size: 15px;
  font-weight: 600;
  list-style: none;
  position: relative;
  padding-right: 40px;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  color: var(--ink-soft);
  line-height: 1;
}

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

.faq-answer {
  padding: 0 16px 14px;
  font-size: 14px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

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

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

.side-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
}

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

.side-list a:hover,
.side-list a:focus-visible {
  color: var(--zone-1);
}

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

/* ============ pages: 404 ============ */

.error-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 56px 20px 72px;
}

.error-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 32px 28px;
  max-width: 720px;
}

.error-title {
  font-size: 30px;
  margin-bottom: 12px;
}

.error-text {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 22px;
}

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

.error-btn {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  padding: 11px 18px;
  font-size: 14px;
  min-height: 44px;
  line-height: 1.5;
}

.error-btn:hover,
.error-btn:focus-visible {
  border-color: var(--zone-1);
  color: var(--zone-1);
}

/* ============ footer ============ */

.site-footer {
  background: var(--panel);
  border-top: 1px solid var(--line);
  margin-top: 40px;
}

.site-footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 28px 20px 20px;
}

.footer-top {
  font-size: 13px;
  margin-bottom: 20px;
}

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

.footer-top a:hover,
.footer-top a:focus-visible {
  color: var(--zone-1);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.footer-title {
  font-size: 15px;
  margin-bottom: 10px;
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
}

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

.footer-list a:hover,
.footer-list a:focus-visible {
  color: var(--zone-1);
}

.footer-bottom {
  padding-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
}

.footer-note,
.footer-copy {
  font-size: 12px;
  color: var(--ink-soft);
}

/* ============ responsive ============ */

@media (max-width: 1024px) {
  .page-layout {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 36px;
  }

  .sidebar-left .page-layout {
    grid-template-columns: 260px minmax(0, 1fr);
  }

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

  .hero-inner {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 32px;
  }

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

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

  .update-row {
    grid-template-columns: 80px minmax(0, 1.3fr) 84px minmax(0, 1.4fr) auto 64px;
    gap: 10px;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin-left: 0;
    background: var(--panel);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 8px 16px rgba(34, 32, 29, 0.08);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 12px 14px;
  }

  .nav-list li {
    border-bottom: 1px solid var(--line);
  }

  .nav-list li:last-child {
    border-bottom: 0;
  }

  .nav-list a {
    padding: 13px 8px;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .nav-list a.is-current {
    border-bottom: 0;
    background: #ece8e1;
    border-radius: var(--radius);
  }

  .nav-list:not(.is-open) {
    display: none;
  }

  .hero {
    padding: 28px 0 32px;
  }

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

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

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

  .section-title,
  .rank-section > h2,
  .rank-basis > h2,
  .editor-picks > h2,
  .rank-cross > h2 {
    font-size: 20px;
  }

  .page-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

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

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

  .section-ranking .ranking-layout,
  .guide-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .work-list,
  .feature-grid,
  .field-list,
  .editor-picks .editor-list,
  .cross-grid,
  .tag-list,
  .overview-list,
  .basis-list {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

  .update-row,
  .update-list .update-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    padding: 14px 4px;
  }

  .update-row .update-date {
    color: var(--ink);
    font-weight: 600;
  }

  .update-list .update-thumb {
    max-width: 96px;
  }

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

  .rank-item {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 4px 10px;
    align-items: baseline;
  }

  .rank-item .rank-topic,
  .rank-item .rank-reason {
    grid-column: 2;
  }

  .rank-section .rank-item {
    grid-template-columns: 36px 64px minmax(0, 1fr);
    gap: 10px;
  }

  .rank-section .rank-item .rank-body {
    grid-column: 3;
  }

  .chapter-item {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 4px 10px;
  }

  .chapter-item .chapter-note {
    grid-column: 2;
  }

  .field-table {
    font-size: 13px;
  }

  .field-table th,
  .field-table td {
    padding: 8px 10px;
  }

  .field-table tbody th {
    white-space: normal;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 6px;
  }
}

@media (max-width: 480px) {
  .fact-bar-inner,
  .fact-bar p.fact-bar-text,
  .utility-bar-inner,
  .utility-bar > ul.utility-list,
  .site-header-inner,
  .hero-inner,
  .home-main > .section,
  .inner-main,
  .site-footer-inner,
  .error-main {
    padding-left: 14px;
    padding-right: 14px;
  }

  .brand-slogan {
    display: none;
  }

  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }

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

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

  .rank-section .rank-item {
    grid-template-columns: 32px minmax(0, 1fr);
  }

  .rank-section .rank-item .rank-cover {
    grid-column: 1 / -1;
    max-width: 96px;
  }

  .rank-section .rank-item .rank-body {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}