/* ============================================================
   神马影院午夜 · 全站样式表
   base / layout / components / pages / responsive
   ============================================================ */

/* ------------------------------------------------------------
   base
   ------------------------------------------------------------ */

:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --ink: #2b2f36;
  --ink-soft: #6b7280;
  --accent: #8a7a5c;
  --line: #e3e6ea;
  --radius: 8px;
  --radius-sm: 6px;
  --shell: 1120px;
  --gap: 28px;
}

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

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

body.site-body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  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: 15px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
dd,
figure,
figcaption {
  margin: 0;
  padding: 0;
}

ul,
ol {
  list-style: none;
}

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

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

a:hover,
a:focus-visible {
  color: #6f6146;
  text-decoration: underline;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

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

/* ------------------------------------------------------------
   layout · 全站骨架
   ------------------------------------------------------------ */

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

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

.site-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
}

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

.nav-list > li {
  display: block;
}

.nav-list a {
  display: block;
  padding: 8px 13px;
  min-height: 40px;
  line-height: 24px;
  font-size: 14px;
  color: var(--ink);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  white-space: nowrap;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--accent);
  border-color: var(--line);
  text-decoration: none;
}

.nav-list a.is-current {
  color: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

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

.site-main {
  display: block;
  width: 100%;
}

.inner-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 26px 24px 56px;
}

.home-main {
  padding-bottom: 56px;
}

.site-footer {
  background: #f1f2f5;
  border-top: 1px solid var(--line);
  margin-top: 8px;
}

.footer-inner {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 40px 24px 28px;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1.4fr;
  gap: 28px;
}

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

.footer-copy {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 16px 24px;
  font-size: 13px;
  color: var(--ink-soft);
}

/* ------------------------------------------------------------
   components · 通用
   ------------------------------------------------------------ */

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  color: var(--ink);
  flex: 0 0 auto;
}

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

.brand-mark {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0;
}

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

.topbar {
  background: var(--accent);
}

.topbar-text {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 7px 24px;
  font-size: 13px;
  color: #fbfaf7;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

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

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

.breadcrumb-sep {
  color: #b9bec6;
}

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

.page-header {
  padding-bottom: 22px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--line);
}

.page-title {
  font-size: 30px;
  line-height: 1.35;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}

.page-description {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 780px;
}

.section {
  margin-bottom: 46px;
}

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

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

.section-title {
  font-size: 22px;
  line-height: 1.4;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.section-desc,
.section-intro,
.section-text {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 840px;
}

.section-intro,
.section-text {
  margin-bottom: 18px;
}

.section-more {
  margin-top: 18px;
  font-size: 14px;
}

.link-more,
.link-inline,
.text-link {
  color: var(--accent);
  font-weight: 500;
}

.link-more::after {
  content: " ›";
  font-weight: 400;
}

/* 页脚 */

.footer-brand .footer-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.footer-note {
  font-size: 13px;
  color: var(--ink-soft);
  max-width: 300px;
}

.footer-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}

.footer-list li {
  margin-bottom: 7px;
}

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

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

.footer-text {
  font-size: 13px;
  color: var(--ink-soft);
  max-width: 300px;
}

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

.hero {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  margin-bottom: 46px;
}

.hero-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 46px 24px 44px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 460px);
  gap: 44px;
  align-items: center;
}

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

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

.hero-title {
  font-size: 30px;
  line-height: 1.4;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 16px;
}

.hero-text {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 12px;
  max-width: 560px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #75674c;
  border-color: #75674c;
  color: #ffffff;
  text-decoration: none;
}

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

.btn-ghost:hover,
.btn-ghost:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
  text-decoration: none;
}

.hero-media {
  margin: 0;
  min-width: 0;
}

.hero-media img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #eceef1;
}

.hero-media figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-soft);
}

/* 首页 · 频道总览 */

.section-channels .channel-list {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.channel-row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 18px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

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

.channel-code {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  text-align: center;
}

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

.channel-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

.channel-topic {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 4px;
}

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

/* 首页 · 专题卡片 */

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

.topic-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease;
}

.topic-card:hover {
  border-color: var(--accent);
}

.topic-media {
  margin: 0;
}

.topic-media img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  background: #eceef1;
}

.topic-body {
  padding: 16px 18px 18px;
  min-width: 0;
}

.topic-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

.topic-meta {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 4px;
}

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

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

/* 首页 · 字段与边界 */

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

.fields-col {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  min-width: 0;
}

.col-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 14px;
}

.field-list dt {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-top: 12px;
}

.field-list dt:first-child {
  margin-top: 0;
}

.field-list dd {
  font-size: 14px;
  color: var(--ink-soft);
  margin-top: 2px;
}

.bound-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

.bound-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

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

/* 首页 · 整理记录速览 */

.record-groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.record-group {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  min-width: 0;
}

.record-group .record-month {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  padding-bottom: 10px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.record-group .record-item {
  margin-bottom: 12px;
}

.record-group .record-item:last-child {
  margin-bottom: 0;
}

.record-group .record-date {
  display: block;
  font-size: 12px;
  color: var(--ink-soft);
}

.record-group .record-scope {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

.record-group .record-text {
  font-size: 13px;
  color: var(--ink-soft);
}

/* 首页 · 页面索引 */

.page-index-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}

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

.index-link {
  display: block;
  height: 100%;
  padding: 16px 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.index-link:hover,
.index-link:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.index-name {
  display: block;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

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

/* ------------------------------------------------------------
   pages · 题材频道
   ------------------------------------------------------------ */

.rule-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.rule-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  min-width: 0;
}

.rule-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

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

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

.channel-item {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  min-width: 0;
  transition: border-color 0.2s ease;
}

.channel-item:hover {
  border-color: var(--accent);
}

.channel-figure {
  margin: 0;
  min-width: 0;
}

.channel-figure img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: #eceef1;
}

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

.channel-item .channel-code {
  display: block;
  width: fit-content;
  margin-bottom: 6px;
}

.channel-item .channel-name {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
}

.channel-item .channel-name a {
  color: var(--ink);
}

.channel-item .channel-name a:hover,
.channel-item .channel-name a:focus-visible {
  color: var(--accent);
}

.channel-direction {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 6px;
}

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

.archive-text {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 12px;
  max-width: 840px;
}

.archive-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
}

/* ------------------------------------------------------------
   pages · 专题片单
   ------------------------------------------------------------ */

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

.principle-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  min-width: 0;
}

.principle-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

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

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

.topic-item {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  min-width: 0;
  transition: border-color 0.2s ease;
}

.topic-item:hover {
  border-color: var(--accent);
}

.topic-figure {
  margin: 0;
  min-width: 0;
}

.topic-figure img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: #eceef1;
}

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

.topic-index {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 4px;
}

.topic-item .topic-name {
  font-size: 17px;
  margin-bottom: 8px;
}

.topic-item .topic-meta {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 10px;
  margin-bottom: 8px;
}

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

.topic-item .topic-meta dd {
  font-size: 13px;
  color: var(--ink);
  min-width: 0;
}

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

.topics-archive .section-text {
  margin-bottom: 12px;
}

.topics-archive .archive-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
}

/* ------------------------------------------------------------
   pages · 观看指引
   ------------------------------------------------------------ */

.prep-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.prep-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  min-width: 0;
}

.prep-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

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

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

.guide-figure img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #eceef1;
}

.figure-caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-soft);
}

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

.step-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px 20px;
  min-width: 0;
  counter-increment: guide-step;
}

.step-item::before {
  content: counter(guide-step, decimal-leading-zero);
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 8px;
}

.step-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

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

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

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

.faq-question {
  list-style: none;
  cursor: pointer;
  padding: 16px 40px 16px 18px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  position: relative;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  font-weight: 400;
  color: var(--accent);
}

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

.faq-question:hover {
  color: var(--accent);
}

.faq-answer {
  padding: 0 18px 18px;
}

.faq-answer p {
  font-size: 14px;
  color: var(--ink-soft);
  max-width: 820px;
}

.next-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.next-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  min-width: 0;
}

.next-link {
  display: inline-block;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

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

/* ------------------------------------------------------------
   pages · 字段说明
   ------------------------------------------------------------ */

.field-section .section-intro,
.boundary-section .section-intro,
.example-section .section-intro,
.related-section .section-intro {
  margin-bottom: 18px;
}

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

.field-figure img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #eceef1;
}

.field-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-soft);
}

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

.field-row {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 18px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

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

.field-row-head {
  background: #f1f2f5;
}

.field-row-head .field-name,
.field-row-head .field-desc {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
}

.field-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.field-desc {
  font-size: 14px;
  color: var(--ink-soft);
  min-width: 0;
}

.boundary-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.boundary-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  min-width: 0;
}

.boundary-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

.boundary-item p {
  font-size: 14px;
  color: var(--ink-soft);
}

.example-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 18px;
}

.example-card:last-child {
  margin-bottom: 0;
}

.example-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.example-line {
  font-size: 14px;
  color: var(--accent);
  background: #f7f8fa;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-bottom: 10px;
  overflow-wrap: anywhere;
}

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

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

.related-list a {
  display: flex;
  align-items: center;
  min-height: 52px;
  padding: 12px 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.related-list a:hover,
.related-list a:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

/* ------------------------------------------------------------
   pages · 整理记录
   ------------------------------------------------------------ */

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

.records-rule-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  min-width: 0;
}

.rule-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

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

.records-timeline .record-month {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 20px;
  overflow: hidden;
}

.month-title {
  margin: 0;
  border-bottom: 1px solid var(--line);
}

.month-toggle {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 48px;
  padding: 14px 20px;
  background: transparent;
  border: none;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  position: relative;
}

.month-toggle::after {
  content: "收起";
  margin-left: auto;
  font-size: 12px;
  font-weight: 400;
  color: var(--accent);
}

.month-toggle[aria-expanded="false"]::after {
  content: "展开";
}

.month-toggle:hover {
  color: var(--accent);
}

.record-month .record-list {
  padding: 6px 20px 16px;
}

.record-month .record-list[hidden] {
  display: none;
}

.record-month .record-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

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

.record-month .record-date {
  font-size: 12px;
  color: var(--ink-soft);
}

.record-month .record-scope {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin: 2px 0 4px;
}

.record-month .record-text {
  font-size: 14px;
  color: var(--ink);
  max-width: 860px;
}

.records-figure {
  margin: 0 0 20px;
}

.records-figure img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #eceef1;
}

.records-scope .section-text {
  margin-bottom: 14px;
}

.records-scope-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
}

.records-scope-links a {
  color: var(--accent);
  font-weight: 500;
}

/* ------------------------------------------------------------
   pages · 404
   ------------------------------------------------------------ */

.error-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 70px 24px 90px;
}

.error-panel {
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 44px 32px;
}

.error-code {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 10px;
}

.error-title {
  font-size: 30px;
  line-height: 1.4;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 14px;
}

.error-text {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

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

.error-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--ink);
  font-size: 14px;
}

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

/* ------------------------------------------------------------
   responsive
   ------------------------------------------------------------ */

@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-brand,
  .footer-bounds {
    grid-column: span 3;
  }

  .footer-note,
  .footer-text {
    max-width: 640px;
  }

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

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

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

@media (max-width: 768px) {
  body.site-body {
    padding-bottom: 64px;
  }

  .header-inner {
    padding: 12px 16px;
    gap: 12px;
  }

  .brand-mark {
    font-size: 17px;
  }

  .brand-sub {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: block;
    background: var(--card);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 10px 24px rgba(43, 47, 54, 0.08);
    padding: 0 16px;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 6px 0 12px;
  }

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

  .nav-list a {
    padding: 12px 10px;
    font-size: 15px;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }

  .nav-list > li:last-child a {
    border-bottom: none;
  }

  .topbar-text {
    padding: 7px 16px;
    font-size: 12px;
  }

  .inner-main {
    padding: 20px 16px 40px;
  }

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

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

  .section {
    margin-bottom: 34px;
  }

  .hero {
    margin-bottom: 34px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
    padding: 30px 16px 32px;
  }

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

  .hero-actions .btn {
    flex: 1 1 auto;
  }

  .channel-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    padding: 14px 16px;
  }

  .channel-code {
    justify-self: start;
  }

  .topic-grid,
  .fields-layout,
  .record-groups,
  .rule-list,
  .principle-list,
  .topic-list,
  .prep-list,
  .next-list,
  .boundary-list,
  .records-rule-list,
  .section-channel-list .channel-list {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

  .channel-figure img {
    height: 170px;
  }

  .topic-figure img {
    height: 180px;
  }

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

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

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

  .field-name {
    color: var(--accent);
  }

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

  .guide-figure img {
    height: 200px;
  }

  .field-figure img,
  .records-figure img {
    height: 190px;
  }

  .error-main {
    padding: 40px 16px 60px;
  }

  .error-panel {
    padding: 30px 20px;
  }

  .error-actions {
    flex-direction: column;
  }

  .error-link {
    width: 100%;
  }

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

  .footer-brand,
  .footer-bounds {
    grid-column: auto;
  }

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

  /* 移动端底部任务导航 */
  .site-main {
    padding-bottom: 4px;
  }
}

@media (max-width: 480px) {
  .page-index-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-media img {
    height: 190px;
  }
}

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