/* =========================================================
   欧美午夜影院 · 全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================= */

/* ---------------------------------------------------------
   base · 变量与重置
   --------------------------------------------------------- */
:root {
  --c-primary: #1f3a5f;
  --c-channel: #e4572e;
  --c-accent: #2a9d8f;
  --c-bg: #f7f5f0;
  --c-notice: #fff3e0;
  --c-text: #1a1a1a;
  --c-muted: #5a5a5a;
  --c-line: #ddd8cf;
  --c-card: #ffffff;
  --c-footer: #1c2a3a;
  --c-footer-text: #c8d2dd;
  --w-content: 1120px;
  --r-card: 8px;
  --r-small: 4px;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

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

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

body.site-body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.75;
}

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

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

a:hover,
a:focus-visible {
  color: var(--c-channel);
  text-decoration: underline;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 0.5em;
  color: var(--c-primary);
  font-weight: 700;
  line-height: 1.35;
}

p {
  margin: 0 0 1em;
}

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

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

time {
  font-family: var(--font-mono);
}

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

/* ---------------------------------------------------------
   layout · 全站骨架
   --------------------------------------------------------- */
.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--c-line);
  position: sticky;
  top: 0;
  z-index: 30;
}

.header-inner {
  max-width: var(--w-content);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-brand {
  display: flex;
  flex-direction: column;
  color: var(--c-primary);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.25;
}

.site-brand:hover,
.site-brand:focus-visible {
  color: var(--c-channel);
  text-decoration: none;
}

.brand-sub {
  font-size: 12px;
  font-weight: 400;
  color: var(--c-muted);
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  align-items: center;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-small);
  background: #ffffff;
  color: var(--c-primary);
  font-size: 14px;
  cursor: pointer;
}

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

.nav-list li {
  display: flex;
}

.nav-list a {
  display: block;
  padding: 8px 14px;
  border-radius: var(--r-small);
  color: var(--c-primary);
  font-size: 15px;
  line-height: 1.4;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  background: var(--c-notice);
  text-decoration: none;
}

.nav-list a.is-current {
  background: var(--c-primary);
  color: #ffffff;
}

.site-main {
  display: block;
}

.home-main {
  max-width: var(--w-content);
  margin: 0 auto;
  padding: 0 20px 56px;
}

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

.site-footer {
  background: var(--c-footer);
  color: var(--c-footer-text);
  padding: 44px 20px 20px;
  margin-top: 40px;
}

.footer-inner {
  max-width: var(--w-content);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
}

.footer-title {
  color: #ffffff;
  font-size: 16px;
  margin-bottom: 10px;
}

.footer-text {
  color: var(--c-footer-text);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 10px;
}

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

.footer-links a {
  color: var(--c-footer-text);
  font-size: 14px;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #ffffff;
}

.footer-copy {
  max-width: var(--w-content);
  margin: 32px auto 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  color: #9fb0c1;
  font-size: 13px;
  text-align: center;
}

/* ---------------------------------------------------------
   components · 通用模块
   --------------------------------------------------------- */
.lead-strip {
  background: var(--c-notice);
  border-left: 4px solid var(--c-channel);
  border-radius: var(--r-small);
  margin: 20px 0 0;
  padding: 12px 18px;
  font-size: 14px;
  color: var(--c-muted);
}

.section-head {
  margin-bottom: 18px;
}

.section-title {
  font-size: 22px;
  margin-bottom: 6px;
}

.section-desc,
.section-intro {
  color: var(--c-muted);
  font-size: 15px;
  margin: 0;
}

.section-more {
  margin: 18px 0 0;
}

.more-link {
  display: inline-block;
  color: var(--c-channel);
  font-size: 15px;
  font-weight: 600;
}

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

/* 面包屑与页面标题区（内页统一） */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--c-muted);
  padding: 18px 0 0;
}

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

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

.breadcrumb-sep {
  color: #b6afa4;
}

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

.page-header {
  padding: 16px 0 24px;
  border-bottom: 1px solid var(--c-line);
  margin-bottom: 28px;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 10px;
}

.page-description {
  color: var(--c-muted);
  font-size: 16px;
  margin: 0;
  max-width: 820px;
}

/* 内页主内容 + 侧栏 */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 36px;
  align-items: start;
}

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

.layout-aside {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  padding: 20px;
}

.layout-shell {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
  align-items: start;
}

.section {
  margin-bottom: 44px;
}

.section:last-child {
  margin-bottom: 0;
}

/* 侧栏通用 */
.aside-title {
  font-size: 18px;
  margin-bottom: 8px;
}

.aside-intro,
.aside-text {
  color: var(--c-muted);
  font-size: 14px;
  margin-bottom: 14px;
}

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

.aside-item-title {
  font-size: 15px;
  margin-bottom: 4px;
}

.aside-item p {
  font-size: 14px;
  color: var(--c-muted);
  margin: 0;
}

.aside-note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
  font-size: 14px;
}

.aside-link {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
  font-size: 14px;
}

.section-note {
  margin: 20px 0 0;
  padding: 14px 18px;
  background: var(--c-notice);
  border-radius: var(--r-small);
  font-size: 14px;
  color: var(--c-muted);
}

.section-note a {
  margin-right: 14px;
}

/* ---------------------------------------------------------
   pages · 首页
   --------------------------------------------------------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  grid-template-areas:
    "copy figure"
    "paths paths";
  gap: 28px 40px;
  padding: 36px 0 44px;
  border-bottom: 1px solid var(--c-line);
}

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

.hero-title {
  font-size: 32px;
  margin-bottom: 14px;
}

.hero-text {
  font-size: 16px;
  color: var(--c-text);
  max-width: 560px;
}

.hero-note {
  font-size: 14px;
  color: var(--c-muted);
  border-left: 3px solid var(--c-accent);
  padding-left: 12px;
  margin-bottom: 0;
}

.hero-figure {
  grid-area: figure;
  margin: 0;
  min-width: 0;
}

.hero-figure img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--r-card);
}

.hero-figure figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--c-muted);
}

.hero-paths {
  grid-area: paths;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.path-card {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-channel);
  border-radius: var(--r-card);
  padding: 20px 22px;
}

.path-title {
  font-size: 18px;
  margin-bottom: 8px;
}

.path-text {
  font-size: 15px;
  color: var(--c-muted);
  margin-bottom: 12px;
}

.path-link {
  font-weight: 600;
  color: var(--c-channel);
}

/* 首页 · 频道分类总览 */
.channel-overview,
.collection-entry,
.field-summary,
.record-brief,
.site-index {
  padding: 44px 0 0;
}

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

.channel-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 200px) minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 18px;
  align-items: baseline;
  padding: 16px 4px;
  border-bottom: 1px solid var(--c-line);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.channel-row:hover {
  background: #ffffff;
  border-left: 3px solid var(--c-channel);
  padding-left: 10px;
}

.channel-no {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--c-channel);
  font-weight: 700;
}

.channel-row .channel-name {
  font-size: 17px;
  margin: 0;
}

.channel-field {
  font-size: 14px;
  color: var(--c-accent);
  margin: 0;
}

.channel-sample {
  font-size: 14px;
  color: var(--c-muted);
  margin: 0;
}

/* 首页 · 专题片单入口 */
.collection-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.collection-card {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.collection-card:hover {
  border-color: var(--c-channel);
}

.collection-cover {
  margin: 0;
}

.collection-cover img {
  width: 100%;
  height: 190px;
  object-fit: cover;
}

.collection-card .collection-name {
  font-size: 18px;
  margin: 16px 18px 8px;
}

.collection-brief {
  font-size: 14px;
  color: var(--c-muted);
  margin: 0 18px 10px;
}

.collection-count {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-accent);
  margin: 0 18px 18px;
}

/* 首页 · 字段说明与收录边界 */
.field-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.field-column {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  padding: 20px;
}

.column-title {
  font-size: 18px;
  margin-bottom: 12px;
}

.field-table {
  font-size: 14px;
}

.field-table caption {
  text-align: left;
  font-size: 13px;
  color: var(--c-muted);
  padding-bottom: 8px;
}

.field-table th,
.field-table td {
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid var(--c-line);
  vertical-align: top;
}

.field-table thead th {
  background: var(--c-notice);
  color: var(--c-primary);
  font-size: 13px;
}

.field-table tbody th {
  font-weight: 600;
  color: var(--c-primary);
  white-space: nowrap;
}

.field-table tbody tr:last-child th,
.field-table tbody tr:last-child td {
  border-bottom: none;
}

.column-more {
  margin: 14px 0 0;
}

/* 首页 · 整理记录速览 */
.record-months {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.record-month {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  padding: 18px 20px;
}

.month-title {
  font-size: 17px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-line);
}

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

.record-item {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.record-date {
  font-size: 13px;
  color: var(--c-channel);
  white-space: nowrap;
}

.record-text {
  font-size: 14px;
  color: var(--c-muted);
  margin: 0;
}

/* 首页 · 站内栏目索引 */
.index-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.index-item {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-primary);
  border-radius: var(--r-card);
  padding: 16px 18px;
  transition: border-color 0.2s ease;
}

.index-item:hover {
  border-top-color: var(--c-channel);
}

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

.index-text {
  font-size: 13px;
  color: var(--c-muted);
  margin: 0;
}

/* ---------------------------------------------------------
   pages · 题材频道
   --------------------------------------------------------- */
.section-channel-list .channel-row {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--c-line);
}

.section-channel-list .channel-row:hover {
  background: #ffffff;
  border-left: 3px solid var(--c-channel);
  padding-left: 12px;
}

.channel-cover {
  margin: 0;
}

.channel-cover img {
  width: 100%;
  height: 110px;
  object-fit: cover;
  border-radius: var(--r-small);
}

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

.channel-code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-channel);
  margin: 0 0 4px;
}

.channel-body .channel-name {
  font-size: 18px;
  margin-bottom: 6px;
}

.channel-direction {
  font-size: 14px;
  color: var(--c-accent);
  margin-bottom: 6px;
}

.channel-body .channel-sample {
  font-size: 14px;
  color: var(--c-muted);
  margin: 0;
}

.method-block {
  padding: 16px 0;
  border-bottom: 1px dashed var(--c-line);
}

.method-block:last-of-type {
  border-bottom: none;
}

.method-title {
  font-size: 17px;
  margin-bottom: 6px;
}

.method-block p {
  font-size: 15px;
  color: var(--c-muted);
  margin: 0;
}

.check-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.check-name {
  font-size: 15px;
  margin-bottom: 4px;
}

.check-item p {
  font-size: 14px;
  color: var(--c-muted);
  margin: 0;
}

/* ---------------------------------------------------------
   pages · 专题片单
   --------------------------------------------------------- */
.collection-entry .collection-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.collection-body {
  padding: 0 18px 18px;
}

.collection-body .collection-name {
  font-size: 17px;
  margin: 16px 0 8px;
}

.collection-note {
  font-size: 14px;
  color: var(--c-muted);
  margin: 0 0 10px;
}

.collection-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0;
  font-size: 13px;
}

.collection-meta dt {
  color: var(--c-accent);
  font-weight: 600;
}

.collection-meta dd {
  margin: 0;
  color: var(--c-muted);
  font-family: var(--font-mono);
}

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

.rationale-item {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-accent);
  border-radius: var(--r-card);
  padding: 18px 20px;
}

.rationale-item h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.rationale-item p {
  font-size: 14px;
  color: var(--c-muted);
  margin: 0;
}

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

.entry-summary {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  padding: 18px 20px;
}

.entry-summary h3 {
  font-size: 17px;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-line);
}

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

.entry-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
  color: var(--c-muted);
}

.entry-name {
  min-width: 0;
}

.entry-year {
  font-family: var(--font-mono);
  color: var(--c-channel);
  white-space: nowrap;
}

.entry-more {
  margin: 14px 0 0;
}

/* ---------------------------------------------------------
   pages · 浏览指引
   --------------------------------------------------------- */
.guide-layout {
  grid-template-columns: minmax(0, 1fr) 300px;
}

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

.step-item {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  padding: 18px;
  min-width: 0;
}

.step-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: #ffffff;
  background: var(--c-primary);
  border-radius: var(--r-small);
  padding: 2px 8px;
  margin-bottom: 10px;
}

.step-title {
  font-size: 16px;
  margin-bottom: 6px;
}

.step-text {
  font-size: 14px;
  color: var(--c-muted);
  margin: 0;
}

.guide-figure {
  margin: 0 0 22px;
}

.guide-figure img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--r-card);
}

.guide-figure figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--c-muted);
}

.entry-block {
  padding: 16px 0;
  border-bottom: 1px dashed var(--c-line);
}

.entry-block:last-of-type {
  border-bottom: none;
}

.entry-title {
  font-size: 17px;
  margin-bottom: 6px;
}

.entry-text {
  font-size: 15px;
  color: var(--c-muted);
  margin: 0;
}

.faq-item {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  padding: 14px 18px;
  margin-bottom: 12px;
}

.faq-item summary {
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-primary);
  list-style: none;
}

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

.faq-item summary::after {
  content: "＋";
  float: right;
  color: var(--c-channel);
  font-weight: 400;
}

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

.faq-item p {
  margin: 12px 0 0;
  font-size: 15px;
  color: var(--c-muted);
}

/* ---------------------------------------------------------
   pages · 字段说明
   --------------------------------------------------------- */
.section-media {
  margin: 0 0 24px;
}

.section-media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--r-card);
}

.section-media figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--c-muted);
}

.field-table[role="table"] {
  display: block;
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--c-card);
}

.field-row {
  display: grid;
  grid-template-columns: minmax(0, 160px) minmax(0, 1.2fr) minmax(0, 1.4fr);
  gap: 16px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--c-line);
  align-items: baseline;
}

.field-row:last-child {
  border-bottom: none;
}

.field-row-head {
  background: var(--c-notice);
}

.field-row-head .field-cell {
  font-size: 13px;
  font-weight: 700;
  color: var(--c-primary);
}

.field-cell {
  font-size: 14px;
  min-width: 0;
}

.field-col-name {
  color: var(--c-primary);
  font-weight: 600;
}

.field-col-mean {
  color: var(--c-muted);
}

.field-col-sample {
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 13px;
}

.boundary-item {
  padding: 16px 0;
  border-bottom: 1px dashed var(--c-line);
}

.boundary-item:last-of-type {
  border-bottom: none;
}

.boundary-name {
  font-size: 17px;
  margin-bottom: 6px;
}

.boundary-item p {
  font-size: 15px;
  color: var(--c-muted);
  margin: 0;
}

.sample-card {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  padding: 22px;
}

.sample-name {
  font-size: 18px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-line);
}

.sample-fields {
  display: grid;
  grid-template-columns: minmax(0, 110px) minmax(0, 1fr);
  gap: 8px 16px;
  margin: 0;
}

.sample-fields dt {
  font-size: 14px;
  color: var(--c-primary);
  font-weight: 600;
}

.sample-fields dd {
  margin: 0;
  font-size: 14px;
  color: var(--c-muted);
}

.sample-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
  font-size: 14px;
}

.sample-note a {
  margin-right: 14px;
}

/* ---------------------------------------------------------
   pages · 整理记录
   --------------------------------------------------------- */
.records-block .record-month {
  margin-bottom: 20px;
}

.record-month-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  font-size: 17px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-line);
}

.record-month-title time {
  color: var(--c-primary);
}

.record-month-count {
  font-size: 13px;
  color: var(--c-accent);
  font-weight: 400;
}

.records-block .record-item {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 8px 0;
  border-bottom: 1px dashed var(--c-line);
}

.records-block .record-item:last-child {
  border-bottom: none;
}

.record-summary {
  font-size: 14px;
  color: var(--c-text);
  margin: 0 0 4px;
}

.record-scope {
  font-size: 13px;
  color: var(--c-muted);
  margin: 0;
}

.reason-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 26px;
}

.reason-card {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-accent);
  border-radius: var(--r-card);
  padding: 18px;
}

.reason-card-title {
  font-size: 16px;
  margin-bottom: 8px;
}

.reason-card-text {
  font-size: 14px;
  color: var(--c-muted);
  margin-bottom: 10px;
}

.reason-card-scope {
  font-size: 13px;
  color: var(--c-channel);
  margin: 0;
}

.record-figure {
  margin: 0;
}

.record-figure img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--r-card);
}

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

/* ---------------------------------------------------------
   pages · 404
   --------------------------------------------------------- */
.error-main {
  max-width: var(--w-content);
  margin: 0 auto;
  padding: 60px 20px 72px;
}

.error-block {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.error-block h1 {
  font-size: 32px;
  margin-bottom: 14px;
}

.error-text {
  color: var(--c-muted);
  font-size: 16px;
}

.error-actions {
  margin-top: 22px;
}

.btn {
  display: inline-block;
  padding: 11px 26px;
  border-radius: var(--r-small);
  font-size: 16px;
  font-weight: 600;
  border: 1px solid transparent;
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--c-channel);
  color: #ffffff;
  text-decoration: none;
}

.error-links {
  max-width: 720px;
  margin: 48px auto 0;
}

.error-links h2 {
  font-size: 20px;
  text-align: center;
  margin-bottom: 16px;
}

.error-link-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.error-link-list a {
  display: block;
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  padding: 14px 16px;
  text-align: center;
  font-size: 15px;
}

.error-link-list a:hover,
.error-link-list a:focus-visible {
  border-color: var(--c-channel);
  text-decoration: none;
}

/* ---------------------------------------------------------
   responsive · 断点 1024 / 768 / 480
   --------------------------------------------------------- */
@media (max-width: 1024px) {
  .channel-row {
    grid-template-columns: 64px minmax(0, 180px) minmax(0, 1fr);
  }

  .channel-row .channel-sample {
    grid-column: 2 / -1;
  }

  .record-months,
  .reason-grid,
  .step-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 12px 16px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-list {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 2px;
    padding-top: 10px;
  }

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

  .nav-list a {
    padding: 12px 14px;
    min-height: 44px;
  }

  .home-main,
  .inner-main {
    padding: 0 16px 44px;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "copy"
      "figure"
      "paths";
    gap: 22px;
    padding: 26px 0 34px;
  }

  .hero-title,
  .page-title,
  .error-block h1 {
    font-size: 26px;
  }

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

  .hero-paths,
  .field-columns,
  .collection-grid,
  .collection-entry .collection-grid,
  .rationale-list,
  .entry-summary-grid,
  .page-layout,
  .layout-shell,
  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-layout,
  .guide-layout {
    gap: 28px;
  }

  .layout-aside {
    order: 2;
  }

  .layout-main {
    order: 1;
  }

  .channel-row,
  .section-channel-list .channel-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .channel-row .channel-sample {
    grid-column: auto;
  }

  .section-channel-list .channel-cover img {
    height: 180px;
  }

  .record-months,
  .reason-grid,
  .step-list,
  .index-grid,
  .error-link-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .collection-cover img {
    height: 170px;
  }

  .section-media img,
  .guide-figure img,
  .record-figure img {
    height: 220px;
  }

  .field-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
    padding: 14px 16px;
  }

  .field-row-head {
    display: none;
  }

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

  .field-col-sample::before {
    content: "示例：";
    color: var(--c-muted);
    font-family: inherit;
  }

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

  .sample-fields dd {
    margin-bottom: 10px;
  }

  .footer-inner {
    gap: 24px;
  }
}

@media (max-width: 480px) {
  .hero-title,
  .page-title,
  .error-block h1 {
    font-size: 23px;
  }

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

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

  .record-month-title {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }
}