/* ============================================================
   青果短剧 · 整站样式
   视觉方向：深色正文底 + 暖爵士黄 / 酸绿 / 藕灰点缀
   正文底色 #0f1115 · 正文文字 #ece9e2 · 页脚浅色 #ece9e2
   ============================================================ */

/* ============================================================
   Base
   ============================================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  background-color: #0f1115;
  color: #ece9e2;
  line-height: 1.75;
  font-size: 16px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.3;
}

p {
  margin-bottom: 1em;
}

/* 表格基础 */
table {
  width: 100%;
  border-collapse: collapse;
}

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

/* details 基础 */
details summary {
  cursor: pointer;
  list-style: none;
}

details summary::-webkit-details-marker {
  display: none;
}

:focus-visible {
  outline: 2px solid #f2c14e;
  outline-offset: 2px;
}

::selection {
  background-color: #f2c14e;
  color: #0f1115;
}

/* ============================================================
   Layout
   ============================================================ */

/* 全站统一主容器宽度 */
.header-shell,
.main-content,
.site-main > .inner-main,
.site-main.home-main > section,
.footer-shell {
  width: min(1200px, 100% - 48px);
  margin-left: auto;
  margin-right: auto;
}

/* 首页 section 使用统一宽度 */
.site-main.home-main > section {
  margin-top: 0;
  margin-bottom: 0;
}

/* 内页布局容器 */
.inner-main {
  width: min(1200px, 100% - 48px);
  margin-left: auto;
  margin-right: auto;
  flex: 1 0 auto;
  padding: 48px 0 80px;
}

/* 布局列：主内容 + 右侧栏 */
.layout-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 48px;
  align-items: start;
  margin-top: 40px;
}

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

.sidebar-right {
  min-width: 0;
}

.sidebar-inner {
  position: sticky;
  top: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* 页面头部（内页通用） */
.page-header {
  margin-top: 32px;
}

.page-title {
  font-size: 34px;
  font-weight: 900;
  color: #ece9e2;
  letter-spacing: 0;
  margin-bottom: 14px;
}

.page-description {
  font-size: 17px;
  color: #b7b1a5;
  max-width: 720px;
  margin-bottom: 0;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #8a857b;
  margin-top: 28px;
  margin-bottom: 0;
}

.breadcrumb a {
  color: #8a857b;
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: #f2c14e;
}

.breadcrumb-current {
  color: #ece9e2;
}

.breadcrumb-sep {
  color: #55584f;
  font-size: 12px;
}

/* ============================================================
   Components
   ============================================================ */

/* ---------- 页头与导航 ---------- */

.site-header {
  background-color: #0f1115;
  border-bottom: 1px solid #1d232b;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand-mark {
  flex-shrink: 0;
}

.brand-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.brand-name {
  font-size: 20px;
  font-weight: 900;
  color: #ece9e2;
  letter-spacing: 0.02em;
}

.brand-name::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: #f2c14e;
  border-radius: 50%;
  margin-left: 6px;
  vertical-align: middle;
}

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

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

.nav-list li a {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  color: #b7b1a5;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
  line-height: 1.4;
}

.nav-list li a:hover {
  color: #ece9e2;
}

.nav-list li a.is-current {
  color: #ece9e2;
  border-bottom-color: #f2c14e;
  font-weight: 700;
  background-color: #1d232b;
}

/* 汉堡按钮（默认隐藏） */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 10px;
  cursor: pointer;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #ece9e2;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- 页脚 ---------- */

.site-footer {
  background-color: #ece9e2;
  color: #202024;
  margin-top: auto;
  padding: 56px 0 28px;
}

.footer-shell {
  width: min(1200px, 100% - 48px);
}

.footer-cols {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid #c9c4b8;
}

.footer-brand-name {
  font-size: 22px;
  font-weight: 900;
  color: #202024;
  margin-bottom: 10px;
}

.footer-tagline {
  font-size: 14px;
  color: #5d5a52;
  line-height: 1.7;
}

.footer-heading {
  font-size: 15px;
  font-weight: 700;
  color: #202024;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.footer-nav-list li {
  margin-bottom: 10px;
}

.footer-nav-list li a {
  font-size: 14px;
  color: #5d5a52;
  transition: color 0.2s ease;
}

.footer-nav-list li a:hover {
  color: #202024;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-about-text {
  font-size: 14px;
  color: #5d5a52;
  line-height: 1.8;
  margin-bottom: 0;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  padding-top: 24px;
  font-size: 13px;
  color: #6f6b62;
}

.footer-bottom p {
  margin-bottom: 0;
}

/* ---------- 通用标题与段落 ---------- */

.section-title {
  font-size: 26px;
  font-weight: 900;
  color: #ece9e2;
  margin-bottom: 12px;
  letter-spacing: 0;
}

.section-intro,
.section-lead,
.section-desc {
  font-size: 16px;
  color: #b7b1a5;
  max-width: 760px;
}

.section-lead,
.section-desc {
  margin-bottom: 28px;
}

/* ---------- 图片容器 ---------- */

figure {
  margin: 0;
}

figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

figcaption {
  font-size: 13px;
  color: #8a857b;
  margin-top: 8px;
  line-height: 1.5;
}

/* 内容媒体（内页配图） */
.content-media img {
  border-radius: 6px;
}

.content-media-inline {
  margin: 24px 0;
}

/* ---------- 首页首屏 ---------- */

.intro-lead {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 56px;
  align-items: center;
  padding: 64px 0 48px;
}

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

.home-title {
  font-size: 44px;
  font-weight: 900;
  color: #ece9e2;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: 0;
}

.home-title br + span {
  color: #f2c14e;
}

.lead-description {
  font-size: 18px;
  color: #b7b1a5;
  line-height: 1.8;
  margin-bottom: 16px;
  max-width: 560px;
}

.lead-guide {
  font-size: 15px;
  color: #86d993;
  margin-bottom: 0;
}

.lead-figure {
  margin: 0;
}

.lead-figure img {
  border-radius: 6px;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.lead-figure figcaption {
  text-align: right;
}

/* ---------- 首页四任务引导 ---------- */

.task-gateway {
  padding: 24px 0 56px;
}

.task-gateway .section-title {
  font-size: 28px;
  margin-bottom: 28px;
}

.gateway-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.gateway-item {
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, background-color 0.2s ease;
  min-height: 220px;
}

.gateway-item:hover {
  border-color: #f2c14e;
  background-color: #1a1f27;
}

.gateway-name {
  font-size: 20px;
  font-weight: 900;
  color: #f2c14e;
  margin-bottom: 12px;
}

.gateway-desc {
  font-size: 15px;
  color: #b7b1a5;
  line-height: 1.7;
  margin-bottom: 20px;
  flex-grow: 1;
}

.gateway-link {
  font-size: 14px;
  color: #ece9e2;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  border-bottom: 2px solid #f2c14e;
  align-self: flex-start;
  transition: color 0.2s ease;
}

.gateway-link:hover {
  color: #f2c14e;
}

/* ---------- 首页三种角度对比表 ---------- */

.angle-compare {
  padding: 56px 0;
}

.angle-compare .section-title {
  font-size: 28px;
}

.compare-table-wrap {
  margin-top: 28px;
}

.angle-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  overflow: hidden;
}

.angle-table thead th {
  background-color: #1d232b;
  color: #f2c14e;
  font-size: 15px;
  font-weight: 700;
  padding: 16px 20px;
  border-bottom: 1px solid #2a323d;
  white-space: nowrap;
}

.angle-table tbody th {
  background-color: #1d232b;
  color: #ece9e2;
  font-size: 15px;
  font-weight: 700;
  padding: 20px 20px;
  border-bottom: 1px solid #2a323d;
  width: 140px;
  vertical-align: middle;
}

.angle-table tbody td {
  padding: 20px;
  font-size: 15px;
  color: #b7b1a5;
  border-bottom: 1px solid #2a323d;
  line-height: 1.7;
}

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

/* ---------- 首页观点卡横滚带 ---------- */

.viewpoint-strip {
  padding: 56px 0;
  overflow: hidden;
}

.viewpoint-strip .section-title {
  font-size: 28px;
}

.strip-scroll {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 28px;
}

.viewpoint-card {
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.viewpoint-card:hover {
  transform: translateY(-4px);
  border-color: #86d993;
}

.card-media {
  margin: 0;
}

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

.viewpoint-card .card-title {
  font-size: 18px;
  font-weight: 700;
  color: #ece9e2;
  padding: 20px 24px 8px;
}

.viewpoint-card .card-desc {
  font-size: 15px;
  color: #b7b1a5;
  padding: 0 24px 24px;
  line-height: 1.7;
  margin-bottom: 0;
}

/* ---------- 首页确认三件事 ---------- */

.preflight-check {
  padding: 56px 0;
}

.preflight-check .section-title {
  font-size: 28px;
}

.check-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 28px;
}

.check-item {
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  padding: 28px 24px;
  border-top: 3px solid #f2c14e;
}

.check-name {
  font-size: 18px;
  font-weight: 700;
  color: #f2c14e;
  margin-bottom: 12px;
}

.check-desc {
  font-size: 15px;
  color: #b7b1a5;
  line-height: 1.7;
  margin-bottom: 16px;
}

.check-link {
  font-size: 14px;
  color: #ece9e2;
  font-weight: 700;
  border-bottom: 2px solid #86d993;
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.check-link:hover {
  color: #86d993;
}

/* ---------- 首页底部快速入口条 ---------- */

.quick-nav-strip {
  background-color: #1d232b;
  border-radius: 6px;
  margin: 24px 0 80px;
  padding: 0;
}

.quick-nav-inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
}

.quick-nav-link {
  display: block;
  padding: 32px 36px;
  transition: background-color 0.2s ease;
}

.quick-nav-link:hover {
  background-color: #242b36;
}

.quick-nav-link + .quick-nav-link {
  border-left: 1px solid #2a323d;
}

.quick-nav-title {
  display: block;
  font-size: 22px;
  font-weight: 900;
  color: #f2c14e;
  margin-bottom: 8px;
}

.quick-nav-caption {
  display: block;
  font-size: 15px;
  color: #b7b1a5;
  line-height: 1.6;
}

/* ---------- 频道速查页 ---------- */

/* 分类速查介绍段 */
.intro-section .section-title {
  font-size: 26px;
  margin-bottom: 16px;
}

.intro-section p {
  color: #b7b1a5;
  font-size: 16px;
  line-height: 1.8;
}

/* 分类判断表 */
.channel-table-wrap {
  margin-top: 24px;
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  overflow-x: auto;
}

.channel-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.channel-table thead th {
  background-color: #1d232b;
  color: #f2c14e;
  font-size: 14px;
  font-weight: 700;
  padding: 14px 18px;
  border-bottom: 1px solid #2a323d;
  white-space: nowrap;
}

.channel-table tbody td {
  padding: 18px;
  font-size: 15px;
  color: #b7b1a5;
  border-bottom: 1px solid #2a323d;
  line-height: 1.7;
  vertical-align: top;
}

.channel-table tbody tr:last-child td {
  border-bottom: none;
}

.table-note {
  font-size: 13px;
  color: #8a857b;
  margin-top: 12px;
}

/* 补充频道块 */
.subchannel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.subchannel-card {
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  padding: 28px 24px;
}

.subchannel-card .card-title {
  font-size: 18px;
  font-weight: 700;
  color: #f2c14e;
  margin-bottom: 12px;
}

.subchannel-card p {
  font-size: 15px;
  color: #b7b1a5;
  line-height: 1.7;
  margin-bottom: 12px;
}

.subchannel-card .card-tip {
  font-size: 14px;
  color: #86d993;
  margin-bottom: 0;
  border-left: 3px solid #86d993;
  padding-left: 12px;
}

/* 题材骨架 */
.genre-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.genre-item {
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  padding: 24px 20px;
}

.genre-name {
  font-size: 17px;
  font-weight: 700;
  color: #ece9e2;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.genre-name::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: #86d993;
  border-radius: 2px;
  flex-shrink: 0;
}

.genre-desc {
  font-size: 14px;
  color: #b7b1a5;
  line-height: 1.7;
  margin-bottom: 0;
}

.genre-guide {
  margin-top: 24px;
  font-size: 15px;
  color: #b7b1a5;
}

.genre-guide a {
  color: #f2c14e;
  font-weight: 700;
  border-bottom: 1px solid #f2c14e;
  padding-bottom: 1px;
  transition: color 0.2s ease;
}

.genre-guide a:hover {
  color: #ece9e2;
}

/* 观察字段说明 */
.field-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.field-step {
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  padding: 24px 20px;
  position: relative;
}

.step-title {
  font-size: 16px;
  font-weight: 700;
  color: #f2c14e;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 14px;
  color: #b7b1a5;
  line-height: 1.7;
  margin-bottom: 0;
}

.field-note {
  font-size: 14px;
  color: #8a857b;
  margin-top: 20px;
}

/* 侧边栏 */
.sidebar-block {
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  padding: 24px 20px;
}

.sidebar-title {
  font-size: 16px;
  font-weight: 700;
  color: #f2c14e;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid #2a323d;
}

.sidebar-text {
  font-size: 14px;
  color: #b7b1a5;
  line-height: 1.7;
  margin-bottom: 16px;
}

.sidebar-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: #ece9e2;
  border-bottom: 2px solid #86d993;
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.sidebar-link:hover {
  color: #86d993;
}

/* ---------- 片单参考页 ---------- */

.playlist-section {
  margin-top: 56px;
}

.playlist-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 40px;
  align-items: start;
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  padding: 36px;
}

.playlist-intro {
  min-width: 0;
}

.playlist-intro .section-title {
  font-size: 24px;
  color: #f2c14e;
  margin-bottom: 14px;
}

.playlist-desc {
  font-size: 15px;
  color: #b7b1a5;
  line-height: 1.8;
  margin-bottom: 20px;
}

.playlist-figure {
  order: 2;
}

.playlist-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 6px;
}

.playlist-figure figcaption {
  font-size: 13px;
  color: #8a857b;
}

.playlist-structure {
  grid-column: 1 / -1;
  border-top: 1px solid #2a323d;
  padding-top: 24px;
}

.structure-title {
  font-size: 15px;
  font-weight: 700;
  color: #ece9e2;
  margin-bottom: 16px;
}

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

.structure-list li {
  font-size: 15px;
  color: #b7b1a5;
  line-height: 1.6;
  padding-left: 18px;
  position: relative;
}

.structure-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background-color: #86d993;
  border-radius: 2px;
}

.item-label {
  font-weight: 700;
  color: #ece9e2;
}

/* 主题与顺序关系表 */
.theme-order-section {
  margin-top: 56px;
}

.theme-order-section .section-title {
  font-size: 26px;
}

.theme-table-wrap {
  margin-top: 24px;
  overflow-x: auto;
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
}

.theme-order-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
}

.theme-order-table thead th {
  background-color: #1d232b;
  color: #f2c14e;
  font-size: 14px;
  font-weight: 700;
  padding: 14px 18px;
  border-bottom: 1px solid #2a323d;
}

.theme-order-table tbody td {
  padding: 18px;
  font-size: 15px;
  color: #b7b1a5;
  border-bottom: 1px solid #2a323d;
  line-height: 1.7;
}

.theme-order-table tbody tr:last-child td {
  border-bottom: none;
}

/* 引导条 */
.guide-strip {
  margin-top: 56px;
  background-color: #1d232b;
  border-radius: 6px;
  padding: 36px;
}

.guide-strip-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
}

.guide-strip-title {
  font-size: 20px;
  font-weight: 900;
  color: #f2c14e;
  margin-bottom: 8px;
}

.guide-strip-text {
  font-size: 15px;
  color: #b7b1a5;
  margin-bottom: 0;
}

.guide-strip-text a {
  color: #86d993;
  font-weight: 700;
  border-bottom: 1px solid #86d993;
  padding-bottom: 1px;
  transition: color 0.2s ease;
}

.guide-strip-text a:hover {
  color: #ece9e2;
}

/* 相关阅读导航 */
.related-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid #2a323d;
}

.related-links-label {
  font-size: 14px;
  color: #8a857b;
}

.related-links-item {
  font-size: 14px;
  color: #b7b1a5;
  padding: 6px 14px;
  border: 1px solid #2a323d;
  border-radius: 4px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.related-links-item:hover {
  border-color: #f2c14e;
  color: #f2c14e;
}

/* ---------- 看前须知页 ---------- */

.path-summary {
  margin-top: 40px;
}

.path-summary .section-title {
  font-size: 24px;
}

.path-summary p {
  color: #b7b1a5;
  font-size: 16px;
  line-height: 1.8;
  max-width: 760px;
}

.path-figure {
  margin-top: 28px;
}

.path-figure img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  border-radius: 6px;
}

.path-figure figcaption {
  font-size: 13px;
  color: #8a857b;
}

/* 步骤段 */
.guide-step {
  margin-top: 48px;
  padding: 32px 36px;
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  border-left: 4px solid #f2c14e;
}

.step-heading {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.step-number {
  font-size: 15px;
  font-weight: 900;
  color: #0f1115;
  background-color: #f2c14e;
  border-radius: 4px;
  padding: 4px 10px;
  flex-shrink: 0;
  letter-spacing: 0.04em;
}

.guide-step .section-title {
  font-size: 20px;
  margin-bottom: 0;
}

.guide-step p {
  font-size: 15px;
  color: #b7b1a5;
  line-height: 1.8;
  margin-bottom: 12px;
}

.guide-step p:last-child {
  margin-bottom: 0;
}

/* 边界说明 */
.boundary-note {
  margin-top: 48px;
  background-color: #1d232b;
  border-radius: 6px;
  padding: 32px 36px;
  border-left: 4px solid #86d993;
}

.boundary-note .section-title {
  font-size: 22px;
  color: #86d993;
  margin-bottom: 16px;
}

.boundary-note p {
  font-size: 15px;
  color: #b7b1a5;
  line-height: 1.8;
  margin-bottom: 12px;
}

.boundary-note p:last-child {
  margin-bottom: 0;
}

/* 双列相关帮助 */
.related-help {
  margin-top: 48px;
}

.related-help .section-title {
  font-size: 24px;
  margin-bottom: 24px;
}

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

.help-card {
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  padding: 28px 24px;
}

.help-card-title {
  font-size: 18px;
  font-weight: 700;
  color: #f2c14e;
  margin-bottom: 12px;
}

.help-card p {
  font-size: 15px;
  color: #b7b1a5;
  line-height: 1.7;
  margin-bottom: 16px;
}

.text-link {
  font-size: 14px;
  font-weight: 700;
  color: #86d993;
  border-bottom: 2px solid #86d993;
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.text-link:hover {
  color: #ece9e2;
  border-color: #ece9e2;
}

/* ---------- 短剧词库页 ---------- */

.terms-intro {
  margin-top: 40px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 48px;
  align-items: center;
}

.intro-copy .section-title {
  font-size: 24px;
}

.intro-copy p {
  font-size: 16px;
  color: #b7b1a5;
  line-height: 1.8;
}

.intro-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 6px;
}

.intro-figure figcaption {
  font-size: 13px;
  color: #8a857b;
}

/* 词表主体 */
.glossary-main {
  margin-top: 56px;
}

.glossary-main .section-title {
  font-size: 26px;
  margin-bottom: 24px;
}

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

.glossary-item {
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  padding: 24px;
}

.term-name {
  font-size: 18px;
  font-weight: 700;
  color: #f2c14e;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid #2a323d;
}

.term-definition {
  font-size: 15px;
  color: #b7b1a5;
  line-height: 1.7;
  margin-bottom: 12px;
}

.term-usage {
  font-size: 14px;
  color: #8a857b;
  line-height: 1.7;
  margin-bottom: 0;
  border-left: 3px solid #86d993;
  padding-left: 12px;
}

/* 词频段落 */
.term-frequency {
  margin-top: 56px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 48px;
  align-items: start;
}

.frequency-copy .section-title {
  font-size: 24px;
}

.frequency-copy > p {
  font-size: 15px;
  color: #b7b1a5;
  margin-bottom: 20px;
}

.term-dl {
  margin-top: 8px;
}

.term-pair {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid #2a323d;
}

.term-pair:last-child {
  border-bottom: none;
}

.term-pair dt {
  font-size: 15px;
  font-weight: 700;
  color: #f2c14e;
}

.term-pair dd {
  font-size: 15px;
  color: #b7b1a5;
  line-height: 1.7;
}

.frequency-note {
  background-color: #1d232b;
  border-radius: 6px;
  padding: 24px 20px;
  position: sticky;
  top: 88px;
}

.aside-title {
  font-size: 16px;
  font-weight: 700;
  color: #86d993;
  margin-bottom: 12px;
}

.frequency-note p {
  font-size: 14px;
  color: #b7b1a5;
  line-height: 1.7;
  margin-bottom: 12px;
}

.frequency-note p:last-child {
  margin-bottom: 0;
}

/* 观看边界词汇 */
.boundary-terms {
  margin-top: 56px;
}

.boundary-terms .section-title {
  font-size: 24px;
  margin-bottom: 24px;
}

.boundary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.boundary-card {
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  padding: 20px;
}

.boundary-term {
  font-size: 16px;
  font-weight: 700;
  color: #86d993;
  margin-bottom: 10px;
}

.boundary-card p {
  font-size: 14px;
  color: #b7b1a5;
  line-height: 1.7;
  margin-bottom: 0;
}

.boundary-tip {
  margin-top: 20px;
  font-size: 14px;
  color: #8a857b;
}

/* 相关阅读 */
.related-reads {
  margin-top: 56px;
}

.related-reads .section-title {
  font-size: 24px;
}

.related-summary {
  font-size: 15px;
  color: #b7b1a5;
  margin-bottom: 24px;
}

.related-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 0;
  border-top: none;
  padding-top: 0;
}

.related-link {
  display: block;
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  padding: 20px;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.related-link:hover {
  border-color: #f2c14e;
  background-color: #1a1f27;
}

.related-label {
  display: block;
  font-size: 13px;
  color: #86d993;
  margin-bottom: 6px;
  font-weight: 700;
}

.related-link:hover .related-label {
  color: #f2c14e;
}

.related-desc {
  display: block;
  font-size: 14px;
  color: #b7b1a5;
  line-height: 1.6;
}

/* ---------- 常见问答页 ---------- */

.question-scope {
  margin-top: 40px;
}

.scope-intro {
  margin-bottom: 24px;
}

.scope-intro .section-title {
  font-size: 24px;
}

.scope-intro p {
  font-size: 15px;
  color: #b7b1a5;
}

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

.scope-card {
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  padding: 24px 20px;
  transition: border-color 0.2s ease;
}

.scope-card:hover {
  border-color: #f2c14e;
}

.scope-card-title {
  font-size: 16px;
  font-weight: 700;
  color: #f2c14e;
  margin-bottom: 10px;
}

.scope-card p {
  font-size: 14px;
  color: #b7b1a5;
  line-height: 1.7;
  margin-bottom: 14px;
}

.scope-link {
  font-size: 14px;
  font-weight: 700;
  color: #86d993;
  border-bottom: 2px solid #86d993;
  padding-bottom: 2px;
  transition: color 0.2s ease;
}

.scope-link:hover {
  color: #ece9e2;
  border-color: #ece9e2;
}

/* 问答配图 */
.faq-figure {
  margin: 40px 0;
}

.faq-figure img {
  width: 100%;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  border-radius: 6px;
}

.faq-figure figcaption {
  font-size: 13px;
  color: #8a857b;
}

/* FAQ 分组 */
.faq-group {
  margin-top: 48px;
}

.faq-group .section-title {
  font-size: 24px;
}

.group-lead {
  font-size: 15px;
  color: #b7b1a5;
  margin-bottom: 20px;
}

.faq-item {
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 700;
  color: #ece9e2;
  position: relative;
  padding-right: 56px;
  transition: color 0.2s ease;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  font-weight: 400;
  color: #f2c14e;
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq-item summary:hover {
  color: #f2c14e;
}

.faq-answer {
  padding: 0 24px 20px;
}

.faq-answer p {
  font-size: 15px;
  color: #b7b1a5;
  line-height: 1.8;
  margin-bottom: 12px;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.answer-next {
  font-size: 14px;
  color: #8a857b;
  border-top: 1px solid #2a323d;
  padding-top: 12px;
}

.answer-next a {
  color: #86d993;
  font-weight: 700;
  border-bottom: 1px solid #86d993;
  padding-bottom: 1px;
  transition: color 0.2s ease;
}

.answer-next a:hover {
  color: #f2c14e;
}

/* 未覆盖问题出口 */
.faq-exit {
  margin-top: 56px;
  background-color: #1d232b;
  border-radius: 6px;
  padding: 32px 36px;
}

.faq-exit .section-title {
  font-size: 22px;
  color: #f2c14e;
  margin-bottom: 12px;
}

.faq-exit > p {
  font-size: 15px;
  color: #b7b1a5;
  margin-bottom: 24px;
}

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

.exit-link-item {
  display: block;
  background-color: #161a21;
  border: 1px solid #2a323d;
  border-radius: 6px;
  padding: 20px;
  transition: border-color 0.2s ease;
}

.exit-link-item:hover {
  border-color: #86d993;
}

.exit-link-title {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: #86d993;
  margin-bottom: 6px;
}

.exit-link-desc {
  display: block;
  font-size: 14px;
  color: #b7b1a5;
  line-height: 1.6;
}

/* ---------- 关于本站页 ---------- */

.about-intro {
  margin-top: 40px;
}

.about-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 48px;
  align-items: start;
}

.about-intro-copy h2 {
  font-size: 24px;
  font-weight: 700;
  color: #ece9e2;
  margin-bottom: 16px;
}

.about-intro-copy p {
  font-size: 16px;
  color: #b7b1a5;
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 6px;
}

.about-media figcaption {
  font-size: 13px;
  color: #8a857b;
}

.about-not-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.about-not-card {
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  padding: 28px 24px;
}

.about-not-card h2 {
  font-size: 18px;
  font-weight: 700;
  color: #f2c14e;
  margin-bottom: 12px;
}

.about-not-card p {
  font-size: 15px;
  color: #b7b1a5;
  line-height: 1.7;
  margin-bottom: 0;
}

/* 整理原则 */
.about-principles {
  margin-top: 56px;
}

.about-principles h2 {
  font-size: 26px;
  font-weight: 900;
  color: #ece9e2;
  margin-bottom: 12px;
}

.principles-lead {
  font-size: 15px;
  color: #b7b1a5;
  margin-bottom: 24px;
}

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

.principle-item {
  display: flex;
  gap: 16px;
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  padding: 24px;
}

.principle-num {
  font-size: 28px;
  font-weight: 900;
  color: #f2c14e;
  line-height: 1;
  flex-shrink: 0;
  font-style: italic;
}

.principle-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: #ece9e2;
  margin-bottom: 8px;
}

.principle-body p {
  font-size: 14px;
  color: #b7b1a5;
  line-height: 1.7;
  margin-bottom: 0;
}

/* 不提供清单 */
.about-boundary {
  margin-top: 56px;
}

.about-boundary > h2 {
  font-size: 26px;
  font-weight: 900;
  color: #ece9e2;
  margin-bottom: 24px;
}

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

.boundary-col {
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  padding: 28px 24px;
}

.boundary-col h3 {
  font-size: 18px;
  font-weight: 700;
  color: #f2c14e;
  margin-bottom: 16px;
}

.boundary-list li {
  font-size: 15px;
  color: #b7b1a5;
  line-height: 1.7;
  padding-left: 20px;
  position: relative;
  margin-bottom: 10px;
}

.boundary-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: #86d993;
  font-weight: 700;
}

.boundary-list li:last-child {
  margin-bottom: 0;
}

.about-boundary .boundary-note {
  margin-top: 24px;
  background-color: #1d232b;
  border-left: 3px solid #86d993;
  font-size: 14px;
  color: #b7b1a5;
  line-height: 1.7;
  padding: 16px 20px;
  border-radius: 0 6px 6px 0;
}

/* 下一步入口 */
.about-next {
  margin-top: 56px;
}

.about-next h2 {
  font-size: 26px;
  font-weight: 900;
  color: #ece9e2;
  margin-bottom: 12px;
}

.next-lead {
  font-size: 15px;
  color: #b7b1a5;
  margin-bottom: 24px;
}

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

.next-link-card {
  display: block;
  background-color: #161a21;
  border: 1px solid #1d232b;
  border-radius: 6px;
  padding: 24px 20px;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.next-link-card:hover {
  border-color: #f2c14e;
  background-color: #1a1f27;
}

.next-link-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: #0f1115;
  background-color: #f2c14e;
  border-radius: 3px;
  padding: 2px 8px;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.next-link-title {
  display: block;
  font-size: 17px;
  font-weight: 700;
  color: #ece9e2;
  margin-bottom: 8px;
}

.next-link-desc {
  display: block;
  font-size: 14px;
  color: #b7b1a5;
  line-height: 1.6;
}

/* ---------- 404 ---------- */

.error-main {
  flex: 1 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
}

.error-section {
  text-align: center;
  max-width: 560px;
  width: 100%;
}

.error-code {
  font-size: 96px;
  font-weight: 900;
  color: #f2c14e;
  line-height: 1;
  margin-bottom: 24px;
  font-style: italic;
}

.error-section h1 {
  font-size: 28px;
  font-weight: 900;
  color: #ece9e2;
  margin-bottom: 16px;
}

.error-lead {
  font-size: 18px;
  color: #b7b1a5;
  margin-bottom: 12px;
}

.error-text {
  font-size: 15px;
  color: #8a857b;
  margin-bottom: 32px;
}

.error-home-link {
  display: inline-block;
  font-size: 16px;
  font-weight: 700;
  color: #0f1115;
  background-color: #f2c14e;
  border-radius: 4px;
  padding: 12px 32px;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.error-home-link:hover {
  background-color: #86d993;
  transform: translateY(-2px);
}

/* ============================================================
   滚动显现动效（不阻塞初始可见性）
   ============================================================ */

/* 默认可见，只有 JS 检测到 .reveal 时才启用动效 */
.reveal {
  opacity: 1;
  transform: none;
}

/* ============================================================
   Responsive
   ============================================================ */

/* ---------- 平板（≤1024px） ---------- */

@media (max-width: 1024px) {
  .header-shell,
  .site-main.home-main > section,
  .inner-main,
  .footer-shell {
    width: min(100% - 40px, 960px);
  }

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

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

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

  .layout-shell {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 32px;
  }

  .footer-cols {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-about {
    grid-column: 1 / -1;
  }

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

  .playlist-figure {
    order: 0;
  }

  .playlist-figure img {
    max-width: 480px;
  }

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

  .intro-figure img {
    max-width: 480px;
  }

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

  .frequency-note {
    position: static;
  }

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

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

  .about-media img {
    max-width: 480px;
  }

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

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

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

  .field-step:last-child {
    grid-column: 1 / -1;
  }
}

/* ---------- 手机（≤768px） ---------- */

@media (max-width: 768px) {
  body {
    font-size: 15px;
  }

  .header-shell,
  .site-main.home-main > section,
  .inner-main,
  .footer-shell {
    width: min(100% - 32px, 720px);
  }

  /* 页头 */
  .header-shell {
    height: 60px;
  }

  .brand-name {
    font-size: 18px;
  }

  /* 移动导航 */
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: static;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background-color: #0f1115;
    border-bottom: 1px solid #1d232b;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px 16px;
    z-index: 99;
    gap: 0;
  }

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

  .nav-list li a {
    display: block;
    padding: 14px 12px;
    font-size: 16px;
    border-bottom: 1px solid #1d232b;
    border-radius: 0;
  }

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

  .nav-list li a.is-current {
    background-color: #1d232b;
    border-bottom-color: #1d232b;
    color: #f2c14e;
  }

  /* 首页首屏 */
  .intro-lead {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding: 40px 0 32px;
  }

  .home-title {
    font-size: 32px;
  }

  .lead-description {
    font-size: 16px;
  }

  /* 首页模块 */
  .task-gateway {
    padding: 24px 0 40px;
  }

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

  .gateway-item {
    min-height: 0;
    padding: 24px 20px;
  }

  .angle-compare {
    padding: 40px 0;
  }

  .compare-table-wrap {
    overflow-x: auto;
  }

  .angle-table {
    min-width: 680px;
  }

  .viewpoint-strip {
    padding: 40px 0;
  }

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

  .preflight-check {
    padding: 40px 0;
  }

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

  .quick-nav-strip {
    margin: 16px 0 56px;
  }

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

  .quick-nav-link + .quick-nav-link {
    border-left: none;
    border-top: 1px solid #2a323d;
  }

  .quick-nav-link {
    padding: 24px 20px;
  }

  /* 内页 */
  .inner-main {
    padding: 32px 0 56px;
  }

  .page-title {
    font-size: 26px;
  }

  .page-description {
    font-size: 16px;
  }

  .breadcrumb {
    flex-wrap: wrap;
    margin-top: 20px;
  }

  .layout-shell {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    margin-top: 28px;
  }

  .sidebar-right {
    order: 2;
  }

  .sidebar-inner {
    position: static;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  /* 频道页 */
  .subchannel-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

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

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

  .field-step:last-child {
    grid-column: auto;
  }

  /* 片单页 */
  .playlist-section {
    margin-top: 40px;
  }

  .playlist-card {
    padding: 24px 20px;
    grid-template-columns: minmax(0, 1fr);
  }

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

  .guide-strip {
    padding: 24px 20px;
    margin-top: 40px;
  }

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

  .related-links {
    gap: 10px;
    margin-top: 32px;
  }

  .related-links-item {
    font-size: 13px;
    padding: 6px 10px;
  }

  /* 看前须知 */
  .path-summary {
    margin-top: 28px;
  }

  .guide-step {
    margin-top: 32px;
    padding: 24px 20px;
  }

  .step-heading {
    flex-direction: column;
    gap: 10px;
  }

  .boundary-note {
    padding: 24px 20px;
    margin-top: 32px;
  }

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

  .related-help {
    margin-top: 32px;
  }

  /* 词库页 */
  .terms-intro {
    margin-top: 28px;
    grid-template-columns: minmax(0, 1fr);
  }

  .glossary-main {
    margin-top: 40px;
  }

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

  .term-frequency {
    margin-top: 40px;
    grid-template-columns: minmax(0, 1fr);
  }

  .term-pair {
    grid-template-columns: 100px minmax(0, 1fr);
    gap: 12px;
  }

  .boundary-terms {
    margin-top: 40px;
  }

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

  .related-reads {
    margin-top: 40px;
  }

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

  /* FAQ 页 */
  .question-scope {
    margin-top: 28px;
  }

  .scope-cards {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .faq-figure {
    margin: 28px 0;
  }

  .faq-group {
    margin-top: 36px;
  }

  .faq-item summary {
    font-size: 15px;
    padding: 18px 48px 18px 16px;
  }

  .faq-item summary::after {
    right: 16px;
  }

  .faq-answer {
    padding: 0 16px 18px;
  }

  .faq-exit {
    margin-top: 36px;
    padding: 24px 20px;
  }

  .exit-links {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  /* 关于页 */
  .about-intro {
    margin-top: 28px;
  }

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

  .about-not-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    margin-top: 28px;
  }

  .about-principles {
    margin-top: 40px;
  }

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

  .about-boundary {
    margin-top: 40px;
  }

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

  .about-next {
    margin-top: 40px;
  }

  .next-links {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  /* 页脚 */
  .site-footer {
    padding: 40px 0 24px;
  }

  .footer-cols {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding-bottom: 28px;
  }

  .footer-about {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 4px;
    text-align: left;
  }

  /* 404 */
  .error-code {
    font-size: 72px;
  }

  .error-section h1 {
    font-size: 22px;
  }
}

/* ---------- 小屏手机（≤390px） ---------- */

@media (max-width: 390px) {
  .header-shell,
  .site-main.home-main > section,
  .inner-main,
  .footer-shell {
    width: min(100% - 24px, 366px);
  }

  .home-title {
    font-size: 28px;
  }

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

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

  .angle-table,
  .channel-table,
  .theme-order-table {
    font-size: 13px;
  }

  .angle-table thead th,
  .angle-table tbody th,
  .angle-table tbody td,
  .channel-table thead th,
  .channel-table tbody td,
  .theme-order-table thead th,
  .theme-order-table tbody td {
    padding: 12px 14px;
    font-size: 13px;
  }

  .term-pair {
    grid-template-columns: 90px minmax(0, 1fr);
    gap: 10px;
  }

  .quick-nav-title {
    font-size: 18px;
  }
}