/* ==========================================================================
   被窝福利影院 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base · 变量与基础排版
   -------------------------------------------------------------------------- */
:root {
  --ink: #22304a;
  --ink-soft: #2f2f33;
  --accent: #d97a3a;
  --accent-deep: #b8632a;
  --jade: #3f8f7d;
  --rose: #b4557a;
  --page-bg: #f7f5f1;
  --line: #e3e0da;
  --paper: #ffffff;
  --muted: #6b6a70;
  --radius: 6px;
  --radius-sm: 4px;
  --shell: 1160px;
  --reading: 760px;
  --shadow: 0 1px 2px rgba(34, 48, 74, 0.06);
}

* {
  box-sizing: border-box;
}

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

.site-body {
  margin: 0;
  background-color: var(--page-bg);
  color: var(--ink-soft);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  font-size: 15px;
  line-height: 1.75;
  text-align: left;
}

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

p {
  margin: 0;
}

ul,
ol,
dl,
dd {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.18s ease, background-color 0.18s ease;
}

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

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

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

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

/* --------------------------------------------------------------------------
   layout · 页头 / 主导航 / 主容器 / 面包屑 / 页脚骨架
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--paper);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 12px 24px;
}

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

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

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background-color: var(--ink);
  border: 3px solid var(--accent);
}

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

.brand-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

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

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

.nav-list {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-item {
  list-style: none;
}

.nav-link {
  display: block;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--ink);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link:focus-visible {
  background-color: #f1eee8;
  color: var(--accent-deep);
  text-decoration: underline;
}

.nav-link.is-current {
  background-color: var(--ink);
  color: #fff;
  text-decoration: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0 10px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

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

.site-main {
  display: block;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 28px 24px 56px;
}

.inner-main {
  max-width: var(--shell);
}

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

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

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

.breadcrumb-sep {
  color: #b9b5ae;
}

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

.page-header {
  margin: 14px 0 26px;
  padding-bottom: 18px;
  border-bottom: 2px solid var(--line);
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--ink);
}

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

.site-footer {
  background-color: var(--ink);
  color: #cfd6e2;
  font-size: 14px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1.2fr;
  gap: 28px;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 40px 24px 26px;
}

.footer-brand-name {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
}

.footer-brand-desc {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: #a8b2c4;
}

.footer-group-title {
  margin-bottom: 12px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}

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

.footer-list a {
  color: #cfd6e2;
  font-size: 13px;
}

.footer-list a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.footer-note {
  font-size: 13px;
  line-height: 1.7;
  color: #a8b2c4;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-copy {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 14px 24px 20px;
  font-size: 12px;
  color: #8e99ac;
}

/* --------------------------------------------------------------------------
   components · 通用按钮 / 链接 / 标签 / 表格 / 卡片 / 记录
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  text-align: center;
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--accent-deep);
  color: #fff;
}

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

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background-color: var(--ink);
  color: #fff;
}

.text-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.tag {
  display: inline-block;
  padding: 1px 8px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.7;
  white-space: nowrap;
}

.tag-channel {
  background-color: #e6efec;
  color: var(--jade);
}

.tag-new {
  background-color: #fbeade;
  color: var(--accent-deep);
}

.tag-adjust {
  background-color: #e6efec;
  color: var(--jade);
}

.tag-fix {
  background-color: #f6e5ec;
  color: var(--rose);
}

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

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

.section-desc {
  max-width: var(--reading);
  margin-top: 8px;
  font-size: 14px;
  color: var(--muted);
}

.section-lead {
  max-width: var(--reading);
  margin-bottom: 20px;
  font-size: 14px;
  color: var(--muted);
}

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

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

.col-title {
  margin-bottom: 12px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--paper);
}

.data-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.table-caption {
  padding: 12px 14px;
  font-size: 13px;
  color: var(--muted);
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.data-table thead th {
  padding: 11px 14px;
  background-color: #f0ede7;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  text-align: left;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.data-table tbody th,
.data-table tbody td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

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

.data-table tbody tr:hover {
  background-color: #faf8f5;
}

.cell-code {
  width: 74px;
  font-weight: 700;
  color: var(--accent-deep);
  white-space: nowrap;
}

.cell-name {
  width: 150px;
  font-weight: 600;
  color: var(--ink);
}

.cell-special {
  width: 190px;
  font-weight: 600;
  color: var(--ink);
}

.field-list {
  display: grid;
  grid-template-columns: minmax(120px, 0.7fr) minmax(220px, 1.3fr);
  border-top: 1px solid var(--line);
}

.field-name {
  padding: 10px 12px 10px 0;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}

.field-desc {
  padding: 10px 0;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
}

.record-months {
  display: grid;
  gap: 22px;
}

.record-month {
  padding: 18px 20px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

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

.record-list {
  display: grid;
  gap: 14px;
}

.record-item {
  display: grid;
  grid-template-columns: 92px auto minmax(0, 1fr);
  align-items: baseline;
  gap: 8px 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

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

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

.record-text {
  grid-column: 3;
  font-size: 14px;
  color: var(--ink-soft);
}

.record-scope {
  grid-column: 3;
  font-size: 13px;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   pages · 首页
   -------------------------------------------------------------------------- */
.clue-bar {
  background-color: #f0ede7;
  border-bottom: 1px solid var(--line);
}

.clue-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 9px 24px;
}

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

.clue-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.home-main {
  padding-top: 32px;
}

.hero {
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  align-items: center;
  gap: 36px;
}

.hero-eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  background-color: #fbeade;
  color: var(--accent-deep);
  font-size: 13px;
  font-weight: 600;
}

.hero-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--ink);
}

.hero-desc {
  max-width: 560px;
  margin-top: 14px;
  font-size: 15px;
  color: var(--ink-soft);
}

.hero-points {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.hero-point {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--muted);
}

.hero-point::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background-color: var(--accent);
}

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

.hero-media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--paper);
}

.hero-media img {
  width: 100%;
  height: 340px;
  object-fit: cover;
}

.hero-caption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.channels-overview,
.specials-entry,
.fields-boundary,
.records-glance,
.site-index {
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.site-index {
  border-bottom: 0;
}

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

.special-card {
  display: flex;
  flex-direction: column;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.special-card:hover {
  border-color: #cfc9bf;
}

.special-media,
.special-cover {
  margin: 0;
}

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

.special-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px 18px;
}

.special-name {
  font-size: 17px;
  color: var(--ink);
}

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

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

.fields-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 28px;
}

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

.boundary-list {
  display: grid;
  gap: 10px;
}

.boundary-item {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--ink-soft);
}

.boundary-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--jade);
}

.boundary-foot {
  margin-top: 14px;
}

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

.index-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.index-name {
  font-size: 17px;
  color: var(--ink);
}

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

/* --------------------------------------------------------------------------
   pages · 内页通用 section
   -------------------------------------------------------------------------- */
.section {
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.section:last-of-type {
  border-bottom: 0;
}

.section-media {
  margin: 0 0 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--paper);
}

.section-media img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

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

/* --------------------------------------------------------------------------
   pages · 题材频道
   -------------------------------------------------------------------------- */
.field-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.field-col {
  padding: 18px 20px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.field-col-title {
  margin-bottom: 12px;
  font-size: 17px;
  color: var(--ink);
}

.field-col .field-list {
  grid-template-columns: minmax(96px, 0.7fr) minmax(0, 1.3fr);
}

.field-note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}

.field-example-list {
  display: grid;
  gap: 6px;
  margin-top: 8px;
}

.field-example-list li {
  font-size: 13px;
  color: var(--muted);
}

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

.advice-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
}

.advice-title {
  font-size: 17px;
  color: var(--ink);
}

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

.advice-target {
  font-size: 13px;
  color: var(--muted);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.related-card {
  padding: 18px 20px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.related-title {
  margin-bottom: 8px;
  font-size: 17px;
}

.related-title a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.related-text {
  font-size: 14px;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   pages · 专题片单
   -------------------------------------------------------------------------- */
.special-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.special-grid .special-card {
  padding-bottom: 18px;
}

.special-grid .special-name {
  padding: 16px 18px 0;
}

.special-grid .special-topic,
.special-grid .special-tags,
.special-grid .special-order,
.special-grid .special-link {
  margin: 8px 18px 0;
}

.special-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.special-tags .tag {
  background-color: #e6efec;
  color: var(--jade);
}

.special-order {
  font-size: 13px;
  color: var(--muted);
}

.special-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.special-link:hover {
  color: var(--ink);
}

.topic-note-list {
  display: grid;
  gap: 18px;
}

.topic-note {
  padding: 18px 20px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--jade);
  border-radius: var(--radius);
}

.topic-note-title {
  margin-bottom: 8px;
  font-size: 17px;
  color: var(--ink);
}

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

.topic-note-points {
  display: grid;
  gap: 6px;
  margin-top: 10px;
}

.topic-note-points li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  color: var(--muted);
}

.topic-note-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent);
}

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

.mapping-note a {
  color: var(--accent-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.mapping-note a:hover {
  color: var(--ink);
}

.record-tag {
  display: inline-block;
  padding: 1px 8px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.record-tag-add {
  background-color: #fbeade;
  color: var(--accent-deep);
}

.record-tag-adjust {
  background-color: #e6efec;
  color: var(--jade);
}

.record-tag-fix {
  background-color: #f6e5ec;
  color: var(--rose);
}

.section-special-records .record-item {
  grid-template-columns: 92px auto minmax(0, 1fr);
}

.section-special-records .record-text {
  grid-column: 3;
}

.section-special-records .record-scope {
  grid-column: 3;
}

/* --------------------------------------------------------------------------
   pages · 浏览指引
   -------------------------------------------------------------------------- */
.prep-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.prep-card {
  padding: 18px 20px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.prep-card-title {
  margin-bottom: 10px;
  font-size: 17px;
  color: var(--ink);
}

.prep-list {
  display: grid;
  gap: 8px;
}

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

.prep-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background-color: var(--accent);
}

.guide-figure {
  margin: 22px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--paper);
}

.guide-figure img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

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

.field-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
  background-color: var(--paper);
}

.field-table-caption {
  padding: 12px 14px;
  font-size: 13px;
  color: var(--muted);
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.field-table thead th {
  padding: 11px 14px;
  background-color: #f0ede7;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.field-table tbody th,
.field-table tbody td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.field-table tbody th {
  width: 190px;
  font-weight: 600;
  color: var(--ink);
}

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

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

.scope-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.scope-item {
  padding: 18px 20px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--rose);
  border-radius: var(--radius);
}

.scope-item-title {
  margin-bottom: 8px;
  font-size: 17px;
  color: var(--ink);
}

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

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-question {
  padding: 14px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  float: right;
  font-weight: 700;
  color: var(--accent);
}

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

.faq-item[open] .faq-question {
  border-bottom: 1px solid var(--line);
}

.faq-answer {
  padding: 14px 18px;
}

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

.next-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.next-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.next-card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.next-card-desc {
  font-size: 14px;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   pages · 整理记录
   -------------------------------------------------------------------------- */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 32px;
  align-items: start;
}

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

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

.records-filter,
.records-visual,
.records-log,
.records-links {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.records-links {
  border-bottom: 0;
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-tab {
  min-height: 44px;
  padding: 8px 18px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--ink);
}

.filter-tab:hover {
  border-color: var(--accent);
  color: var(--accent-deep);
}

.filter-tab.is-active {
  background-color: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.filter-clear {
  margin-top: 12px;
}

.filter-reset {
  min-height: 40px;
  padding: 6px 14px;
  background-color: transparent;
  border: 1px dashed #c3bdb2;
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--muted);
}

.filter-reset:hover {
  border-color: var(--accent);
  color: var(--accent-deep);
}

.media-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--paper);
}

.media-figure img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

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

.records-log .record-month {
  margin-bottom: 20px;
}

.records-log .record-month:last-child {
  margin-bottom: 0;
}

.records-log .record-item {
  grid-template-columns: 92px auto minmax(0, 1fr);
}

.records-log .record-meta {
  display: contents;
}

.records-log .record-text {
  grid-column: 3;
}

.records-log .record-scope {
  grid-column: 3;
}

.entry-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

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

.entry-card-title {
  margin-bottom: 8px;
  font-size: 17px;
  color: var(--ink);
}

.entry-card-text {
  font-size: 14px;
  color: var(--muted);
}

.records-side {
  position: sticky;
  top: 88px;
  display: grid;
  gap: 18px;
}

.side-block {
  padding: 18px 20px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.side-title {
  margin-bottom: 12px;
  padding-bottom: 8px;
  font-size: 16px;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}

.side-list {
  display: grid;
  grid-template-columns: minmax(80px, 0.8fr) minmax(0, 1.2fr);
}

.side-list dt {
  padding: 7px 10px 7px 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}

.side-list dd {
  padding: 7px 0;
  font-size: 13px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.side-list dt:last-of-type,
.side-list dd:last-of-type {
  border-bottom: 0;
}

.side-text {
  font-size: 13px;
  color: var(--muted);
}

.side-links {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.side-links a {
  font-size: 13px;
  color: var(--accent-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.side-links a:hover {
  color: var(--ink);
}

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

.error-hero {
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.container {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
}

.error-inner {
  max-width: 720px;
}

.error-code {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--accent-deep);
}

.error-title {
  margin-top: 10px;
  font-size: 32px;
  color: var(--ink);
}

.error-desc {
  max-width: 620px;
  margin-top: 14px;
  font-size: 15px;
  color: var(--ink-soft);
}

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

.error-hints {
  padding: 32px 0 8px;
}

.hint-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.hint-item {
  padding: 18px 20px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.hint-link {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.hint-text {
  font-size: 14px;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   responsive · 960px 断点
   -------------------------------------------------------------------------- */
@media (max-width: 960px) {
  .header-inner {
    padding: 10px 18px;
  }

  .site-main {
    padding: 22px 18px 44px;
  }

  .clue-inner {
    padding: 9px 18px;
  }

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    padding: 32px 18px 22px;
  }

  .footer-copy {
    padding: 14px 18px 20px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin-left: 0;
    padding: 10px 18px 16px;
    background-color: var(--paper);
    border-bottom: 1px solid var(--line);
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

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

  .nav-link {
    padding: 12px 14px;
    font-size: 16px;
  }

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

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

  .fields-layout,
  .field-layout,
  .advice-grid,
  .prep-grid,
  .hint-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }

  .records-side {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .records-side .side-block:last-child {
    grid-column: 1 / -1;
  }
}

/* --------------------------------------------------------------------------
   responsive · 640px 断点
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  .site-body {
    font-size: 15px;
  }

  .brand-slogan {
    display: none;
  }

  .site-main {
    padding: 18px 14px 36px;
  }

  .clue-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 9px 14px;
  }

  .page-header {
    margin: 12px 0 20px;
    padding-bottom: 14px;
  }

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

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

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

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

  .specials-grid,
  .special-grid,
  .fields-layout,
  .field-layout,
  .advice-grid,
  .prep-grid,
  .scope-list,
  .related-grid,
  .next-grid,
  .entry-cards,
  .hint-list,
  .index-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .records-side .side-block:last-child {
    grid-column: auto;
  }

  .record-item,
  .section-special-records .record-item,
  .records-log .record-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .record-text,
  .record-scope,
  .section-special-records .record-text,
  .section-special-records .record-scope,
  .records-log .record-text,
  .records-log .record-scope {
    grid-column: 1;
  }

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

  .field-name,
  .side-list dt {
    padding-bottom: 2px;
    border-bottom: 0;
  }

  .field-desc,
  .side-list dd {
    padding-top: 0;
    padding-bottom: 10px;
  }

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

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    padding: 28px 14px 18px;
  }

  .footer-copy {
    padding: 12px 14px 18px;
  }
}