/* ==========================================================================
   秋霞影音 lewanwangluo.cn — 全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================================== */

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

:root {
  --c-title: #12161c;
  --c-text: #2b323c;
  --c-muted: #6b7480;
  --c-accent: #1f5f8b;
  --c-accent-dark: #17496b;
  --c-state: #0f7a5a;
  --c-head-bg: #f5f6f8;
  --c-line: #d9dde3;
  --c-line-soft: #e8ebef;
  --c-surface: #ffffff;
  --c-bg: #fbfbfc;
  --font-sans: "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Menlo, Consolas, "Liberation Mono", "Courier New", monospace;
  --radius: 6px;
  --radius-sm: 4px;
  --shadow-soft: 0 1px 2px rgba(18, 22, 28, 0.05);
  --shadow-raise: 0 4px 14px rgba(18, 22, 28, 0.09);
  --wrap: 1120px;
  --gap: 28px;
}

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

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

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
}

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

p {
  margin: 0;
}

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

a {
  color: var(--c-accent);
  text-decoration: none;
  transition: color 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
}

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

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

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

th,
td {
  text-align: left;
  vertical-align: top;
}

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

button {
  font: inherit;
  color: inherit;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

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

/* --------------------------------------------------------------------------
   layout — 全站骨架（页头 / 导航 / 主区 / 面包屑 / 页脚）
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-line);
}

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

.brand {
  display: flex;
  flex-direction: column;
  gap: 1px;
  flex: 0 0 auto;
  color: var(--c-title);
}

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

.brand-name {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.2;
}

.brand-tagline {
  color: var(--c-muted);
  font-size: 12px;
  line-height: 1.3;
}

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

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

.nav-list li {
  display: block;
}

.nav-list a {
  display: block;
  padding: 9px 12px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--c-text);
  font-size: 14px;
  line-height: 1.4;
  white-space: nowrap;
}

.nav-list a:hover {
  border-color: var(--c-line);
  background: var(--c-head-bg);
  color: var(--c-accent-dark);
}

.nav-list a.is-current {
  border-color: var(--c-accent);
  color: var(--c-accent);
  font-weight: 700;
}

.nav-toggle {
  display: none;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: var(--c-surface);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--c-title);
}

.site-main {
  display: block;
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 28px 20px 56px;
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--c-muted);
  font-size: 13px;
}

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

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

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

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

.page-header {
  padding: 18px 0 22px;
  border-bottom: 1px solid var(--c-line);
  margin-bottom: 26px;
}

.page-description {
  color: var(--c-muted);
  font-size: 13px;
}

.page-title {
  margin: 6px 0 10px;
  font-size: 28px;
  font-weight: 700;
  color: var(--c-title);
}

.page-lead,
.page-intro {
  max-width: 760px;
  color: var(--c-text);
  font-size: 15px;
}

.site-footer {
  background: var(--c-surface);
  border-top: 1px solid var(--c-line);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(0, 2.4fr);
  gap: 32px;
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 34px 20px 26px;
}

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

.footer-brand-desc {
  margin-top: 8px;
  color: var(--c-muted);
  font-size: 13px;
  line-height: 1.7;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.footer-col-title {
  margin-bottom: 10px;
  color: var(--c-title);
  font-size: 14px;
  font-weight: 700;
}

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

.footer-col a {
  color: var(--c-muted);
  font-size: 13px;
}

.footer-col a:hover {
  color: var(--c-accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 14px 20px 20px;
  border-top: 1px solid var(--c-line-soft);
}

.footer-copy {
  color: var(--c-muted);
  font-size: 12px;
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: var(--c-surface);
  color: var(--c-text);
  font-size: 13px;
}

.back-to-top:hover {
  border-color: var(--c-accent);
  color: var(--c-accent-dark);
}

.back-to-top.is-visible {
  border-color: var(--c-accent);
}

/* 通用两栏：默认主内容在前、aside 在后 */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: var(--gap);
  align-items: start;
}

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

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

/* 侧栏在前的两栏：aside 为直接子元素时使用 */
.sidebar-left {
  grid-template-columns: 268px minmax(0, 1fr);
}

.page-layout.sidebar-left > .layout-aside,
.page-layout.sidebar-left > .catalog-aside,
.page-layout.sidebar-left > .genres-aside {
  order: 1;
}

.page-layout.sidebar-left > .layout-main,
.page-layout.sidebar-left > .catalog-content {
  order: 2;
}

/* 祖先是 .sidebar-left 时的兜底（如 body.sidebar-left） */
.sidebar-left .page-layout {
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr);
  gap: var(--gap);
  align-items: start;
}

.sidebar-left .page-layout > .layout-aside,
.sidebar-left .page-layout > .catalog-aside,
.sidebar-left .page-layout > .genres-aside {
  order: 1;
}

.sidebar-left .page-layout > .layout-main,
.sidebar-left .page-layout > .catalog-content {
  order: 2;
}

/* --------------------------------------------------------------------------
   components — 通用组件
   -------------------------------------------------------------------------- */

.section,
.content-section,
.content-block {
  margin-bottom: 34px;
}

.section-title,
.content-section > h2,
.content-block .block-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--c-title);
}

.section-desc,
.section-lead,
.block-desc {
  margin-top: 8px;
  color: var(--c-text);
  font-size: 14px;
}

.section-foot,
.section-footnote,
.block-foot,
.table-note {
  margin-top: 14px;
  color: var(--c-muted);
  font-size: 13px;
}

.section-foot a,
.section-footnote a,
.block-foot a,
.table-note a,
.aside-note a {
  color: var(--c-accent);
}

.section-foot a + a {
  margin-left: 14px;
}

.aside-title {
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-title);
}

.aside-note {
  color: var(--c-muted);
  font-size: 13px;
}

.aside-more {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
}

.aside-section {
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--c-line-soft);
}

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

.aside-list {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-top: 10px;
}

.aside-list li {
  padding-left: 12px;
  border-left: 2px solid var(--c-line);
  color: var(--c-text);
  font-size: 13px;
}

.aside-list a {
  color: var(--c-text);
}

.aside-list a:hover {
  color: var(--c-accent);
}

/* 表格 */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
}

.field-table,
.data-table {
  min-width: 520px;
  font-size: 13.5px;
}

.field-table caption,
.data-table caption,
.table-caption {
  padding: 10px 14px;
  color: var(--c-muted);
  font-size: 12.5px;
  text-align: left;
  border-bottom: 1px solid var(--c-line);
}

.field-table thead th,
.data-table thead th {
  padding: 10px 14px;
  background: var(--c-head-bg);
  border-bottom: 1px solid var(--c-line);
  color: var(--c-title);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.field-table tbody td,
.data-table tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--c-line-soft);
  line-height: 1.6;
}

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

.field-table tbody td:first-child {
  color: var(--c-title);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  white-space: nowrap;
}

.data-table tbody td:first-child {
  color: var(--c-title);
  font-weight: 700;
}

/* 编号步骤清单 */
.step-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 16px;
}

.step-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
}

.step-list > .step-item > h3,
.step-list > .step-item > .step-title {
  grid-column: 2;
  font-size: 15px;
  font-weight: 700;
}

.step-list > .step-item > p,
.step-list > .step-item > .step-text {
  grid-column: 2;
  color: var(--c-text);
  font-size: 13.5px;
}

.step-list > .step-item > .step-index {
  grid-row: 1 / span 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--c-accent);
  border-radius: 50%;
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
}

/* 图片容器 */
figure {
  margin: 0;
}

.section-media,
.section-figure,
.specials-figure,
.scope-figure,
.content-media,
.aside-media,
.aside-figure,
.hero-media {
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
  overflow: hidden;
}

.section-media img,
.section-figure img,
.specials-figure img,
.scope-figure img,
.content-media img,
.aside-media img,
.aside-figure img,
.hero-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.section-media figcaption,
.section-figure figcaption,
.specials-figure figcaption,
.scope-figure figcaption,
.content-media figcaption,
.aside-media figcaption,
.aside-figure figcaption,
.hero-media figcaption {
  padding: 9px 12px;
  border-top: 1px solid var(--c-line-soft);
  color: var(--c-muted);
  font-size: 12.5px;
  line-height: 1.6;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--c-accent);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
}

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

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

.btn-ghost {
  background: var(--c-surface);
  color: var(--c-accent);
}

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

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

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

.faq-question {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 16px;
  color: var(--c-title);
  font-size: 14.5px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

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

.faq-question::before {
  content: "+";
  flex: 0 0 auto;
  width: 18px;
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 15px;
  text-align: center;
}

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

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

.faq-answer {
  padding: 12px 16px 15px 44px;
}

.faq-answer p {
  color: var(--c-text);
  font-size: 13.5px;
}

/* --------------------------------------------------------------------------
   pages — 首页
   -------------------------------------------------------------------------- */

.home-main {
  padding-bottom: 40px;
}

.hero-section {
  padding: 4px 0 30px;
  border-bottom: 1px solid var(--c-line);
  margin-bottom: 30px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 32px;
  align-items: start;
}

.hero-eyebrow {
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
}

.hero-title {
  margin: 10px 0 12px;
  font-size: 30px;
  font-weight: 700;
  color: var(--c-title);
}

.hero-lead {
  max-width: 560px;
  color: var(--c-text);
  font-size: 15px;
}

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

.hero-clue {
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
  transition: border-color 0.16s ease, transform 0.16s ease;
}

.hero-clue:hover {
  border-color: var(--c-accent);
  transform: translateY(-2px);
}

.hero-clue a {
  display: block;
  padding: 13px 14px;
  color: var(--c-text);
}

.hero-clue .clue-index {
  display: block;
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: 11.5px;
}

.hero-clue .clue-name {
  display: block;
  margin: 5px 0 4px;
  color: var(--c-title);
  font-size: 15px;
  font-weight: 700;
}

.hero-clue .clue-desc {
  display: block;
  color: var(--c-muted);
  font-size: 12.5px;
  line-height: 1.6;
}

.hero-media img {
  aspect-ratio: 16 / 10;
}

.home-layout {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr) 268px;
  gap: var(--gap);
  align-items: start;
}

.home-main-col {
  min-width: 0;
}

.home-aside {
  min-width: 0;
}

.aside-genres,
.aside-notes {
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
}

.aside-genre-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 10px;
}

.aside-genre-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px solid var(--c-line-soft);
}

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

.aside-genre-list a {
  color: var(--c-text);
  font-size: 13.5px;
}

.aside-genre-list a:hover {
  color: var(--c-accent);
}

.aside-count {
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.block-head {
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-line);
}

.genre-overview {
  display: flex;
  flex-direction: column;
  margin-top: 4px;
}

.genre-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) 96px;
  gap: 14px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--c-line-soft);
}

.genre-name {
  color: var(--c-title);
  font-size: 14px;
  font-weight: 700;
}

.genre-scope {
  color: var(--c-text);
  font-size: 13.5px;
}

.genre-fields {
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: right;
}

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

.special-item {
  padding: 14px 16px;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-accent);
  border-radius: var(--radius);
  background: var(--c-surface);
  transition: border-color 0.16s ease, transform 0.16s ease;
}

.special-item:hover {
  border-color: var(--c-accent);
  transform: translateY(-2px);
}

.special-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-title);
}

.special-compose {
  margin-top: 6px;
  color: var(--c-text);
  font-size: 13.5px;
}

.special-map {
  margin-top: 6px;
  color: var(--c-muted);
  font-size: 12.5px;
}

.block-catalog .field-table {
  margin-top: 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
}

.content-media {
  margin-top: 8px;
}

.content-media img {
  aspect-ratio: 21 / 9;
}

.note-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
  counter-reset: note;
}

.note-list li {
  position: relative;
  padding-left: 26px;
  color: var(--c-text);
  font-size: 13px;
  line-height: 1.65;
}

.note-list li::before {
  counter-increment: note;
  content: counter(note, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 11.5px;
}

.aside-notes > .aside-note {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--c-line-soft);
}

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

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

.aside-media {
  margin-top: 16px;
}

.aside-media img {
  aspect-ratio: 4 / 3;
}

.boundary-strip {
  margin-top: 34px;
  padding: 22px 0;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  background: var(--c-head-bg);
}

.boundary-strip-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 26px;
  align-items: center;
}

.boundary-title {
  margin-bottom: 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--c-title);
}

.boundary-summary p {
  color: var(--c-text);
  font-size: 13.5px;
}

.boundary-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.boundary-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: var(--c-surface);
  color: var(--c-text);
  font-size: 13.5px;
}

.boundary-link:hover {
  border-color: var(--c-accent);
  color: var(--c-accent-dark);
}

/* --------------------------------------------------------------------------
   pages — 内页共用模块
   -------------------------------------------------------------------------- */

.page-layout > .layout-main > .content-section:last-child,
.page-layout > .layout-main > .section:last-child,
.catalog-content > .content-section:last-child {
  margin-bottom: 0;
}

/* 题材频道页 */
.genres-aside {
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
}

.genres-aside .aside-foot {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--c-line-soft);
  font-size: 13px;
}

.genre-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.genre-block {
  padding: 15px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
  transition: border-color 0.16s ease, transform 0.16s ease;
}

.genre-block:hover {
  border-color: var(--c-accent);
  transform: translateY(-2px);
}

.genre-block h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-title);
}

.genre-desc {
  margin-top: 7px;
  color: var(--c-text);
  font-size: 13.5px;
}

.genre-meta {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 6px 12px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--c-line-soft);
  font-size: 12.5px;
}

.genre-meta dt {
  color: var(--c-muted);
  font-family: var(--font-mono);
}

.genre-meta dd {
  color: var(--c-text);
}

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

.section-media img {
  aspect-ratio: 21 / 9;
}

/* 专题片单页 */
.layout-main-aside {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: var(--gap);
  align-items: start;
}

.specials-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 16px;
}

.specials-card {
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
  transition: border-color 0.16s ease, transform 0.16s ease;
}

.specials-card:hover {
  border-color: var(--c-accent);
  transform: translateY(-2px);
}

.specials-card .specials-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-title);
}

.specials-card .specials-meta {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 6px 12px;
  margin-top: 10px;
  font-size: 13px;
}

.specials-card .specials-meta .meta-label {
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.specials-card .specials-note {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--c-line-soft);
  color: var(--c-text);
  font-size: 13px;
}

.specials-figure {
  margin-top: 16px;
}

.specials-figure img {
  aspect-ratio: 16 / 9;
}

.specials-scope-list {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 10px 16px;
  margin-top: 16px;
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
  font-size: 13.5px;
}

.specials-scope-list dt {
  color: var(--c-title);
  font-weight: 700;
}

.specials-scope-list dd {
  color: var(--c-text);
}

.specials-map-table {
  margin-top: 12px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
}

/* 剧集目录页 */
.catalog-aside {
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
}

.field-index-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 10px;
}

.field-index-list li {
  border-bottom: 1px solid var(--c-line-soft);
}

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

.field-index-list a {
  display: block;
  padding: 7px 0;
  color: var(--c-text);
  font-family: var(--font-mono);
  font-size: 12.5px;
}

.field-index-list a:hover {
  color: var(--c-accent);
}

.catalog-aside .aside-note {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--c-line-soft);
}

.aside-figure {
  margin-top: 14px;
}

.aside-figure img {
  aspect-ratio: 4 / 3;
}

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

.rule-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-top: 16px;
}

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

.rule-title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--c-title);
}

.rule-text {
  margin-top: 7px;
  color: var(--c-text);
  font-size: 13.5px;
}

/* 浏览指引页 */
.layout-guide {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: var(--gap);
  align-items: start;
}

.section-steps .step-item {
  grid-template-columns: 34px minmax(0, 1fr);
}

.step-body {
  grid-column: 2;
  min-width: 0;
}

.step-body .step-name {
  margin-bottom: 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-title);
}

.step-body p {
  color: var(--c-text);
  font-size: 13.5px;
}

.step-body p + p {
  margin-top: 5px;
}

.section-figure {
  margin-top: 20px;
}

.section-figure img {
  aspect-ratio: 16 / 9;
}

.field-block-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.field-block {
  padding: 14px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
}

.field-block-title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--c-title);
}

.field-pairs {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 7px 12px;
  margin-top: 11px;
  padding-top: 11px;
  border-top: 1px solid var(--c-line-soft);
  font-size: 13px;
}

.field-pairs dt {
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.field-pairs dd {
  color: var(--c-text);
}

.aside-guide {
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
}

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

.fold-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}

.fold-item {
  padding-left: 12px;
  border-left: 2px solid var(--c-line);
}

.fold-item-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--c-title);
}

.fold-item-text {
  margin-top: 5px;
  color: var(--c-text);
  font-size: 13px;
}

/* 收录边界与反馈页 */
.scope-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.scope-col {
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
}

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

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

.scope-col-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-title);
}

.scope-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-top: 12px;
}

.scope-list li {
  position: relative;
  padding-left: 20px;
  color: var(--c-text);
  font-size: 13.5px;
}

.scope-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-line);
}

.scope-in .scope-list li::before {
  background: var(--c-state);
}

.scope-list a {
  color: var(--c-text);
}

.scope-list a:hover {
  color: var(--c-accent);
}

.scope-figure {
  margin-top: 18px;
}

.scope-figure img {
  aspect-ratio: 21 / 9;
}

.criteria-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 14px;
  margin-top: 16px;
}

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

.criteria-item-title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--c-title);
}

.criteria-item p {
  margin-top: 7px;
  color: var(--c-text);
  font-size: 13.5px;
}

.layout-feedback {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: var(--gap);
  align-items: start;
  margin-top: 16px;
}

.feedback-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
  counter-reset: feedback;
}

.feedback-step {
  padding: 14px 16px 14px 48px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
  position: relative;
}

.feedback-step::before {
  counter-increment: feedback;
  content: counter(feedback, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 15px;
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.feedback-step-title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--c-title);
}

.feedback-step p {
  margin-top: 6px;
  color: var(--c-text);
  font-size: 13.5px;
}

.aside-feedback {
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
}

.aside-feedback .aside-note {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--c-line-soft);
}

/* 404 */
.error-main {
  display: block;
}

.error-inner {
  max-width: 760px;
  padding: 24px 0 40px;
}

.error-code {
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.error-title {
  margin: 10px 0 12px;
  font-size: 28px;
  font-weight: 700;
  color: var(--c-title);
}

.error-desc {
  color: var(--c-text);
  font-size: 15px;
}

.error-section {
  margin-top: 26px;
  padding: 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
}

.error-subtitle {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-title);
}

.error-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.error-list li {
  border-bottom: 1px solid var(--c-line-soft);
  padding-bottom: 8px;
}

.error-list a {
  color: var(--c-text);
  font-size: 13.5px;
}

.error-list a:hover {
  color: var(--c-accent);
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

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

@media (max-width: 1024px) {
  .home-layout {
    grid-template-columns: minmax(0, 1fr) 268px;
  }

  .home-layout .aside-genres {
    grid-column: 1 / -1;
    order: 3;
  }

  .aside-genre-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0 20px;
  }
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

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

  .home-layout .aside-genres,
  .home-layout .aside-notes {
    order: 3;
  }

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

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

  .page-layout.sidebar-left > .layout-aside,
  .page-layout.sidebar-left > .catalog-aside,
  .page-layout.sidebar-left > .genres-aside,
  .sidebar-left .page-layout > .layout-aside,
  .sidebar-left .page-layout > .catalog-aside,
  .sidebar-left .page-layout > .genres-aside {
    order: 0;
  }

  .page-layout.sidebar-left > .layout-main,
  .page-layout.sidebar-left > .catalog-content,
  .sidebar-left .page-layout > .layout-main,
  .sidebar-left .page-layout > .catalog-content {
    order: 0;
  }
}

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

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .site-nav {
    flex: 1 0 100%;
    margin-left: 0;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 8px 0 4px;
    border-top: 1px solid var(--c-line-soft);
  }

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

  .nav-list a {
    padding: 12px 10px;
    font-size: 15px;
  }

  .site-main {
    padding: 20px 16px 44px;
  }

  .page-title,
  .error-title,
  .hero-title {
    font-size: 23px;
  }

  .hero-clues {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }

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

  .genre-fields {
    text-align: left;
  }

  .boundary-strip-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .boundary-actions {
    justify-content: flex-start;
  }

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

  .specials-scope-list,
  .genre-meta,
  .field-pairs,
  .specials-card .specials-meta {
    grid-template-columns: 92px minmax(0, 1fr);
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding: 26px 16px 20px;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 16px 20px;
  }
}

@media (max-width: 480px) {
  .brand-name {
    font-size: 17px;
  }

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

  .field-table,
  .data-table {
    min-width: 440px;
  }

  .step-item {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 10px;
    padding: 12px;
  }

  .step-body {
    grid-column: 2;
  }

  .faq-answer {
    padding-left: 16px;
  }

  .feedback-step {
    padding-left: 16px;
    padding-top: 34px;
  }

  .feedback-step::before {
    top: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .hero-clue:hover,
  .special-item:hover,
  .genre-block:hover,
  .specials-card:hover {
    transform: none;
  }
}