/* ==========================================================================
   天美电影 · 视频内容目录与专题导航站
   全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* ==========================================================================
   base · 重置与基础排版
   ========================================================================== */

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

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

body {
  margin: 0;
  padding: 0;
  background-color: #F4F6F5;
  color: #1F2528;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

h1,
h2,
h3,
h4 {
  font-weight: 600;
  line-height: 1.35;
  color: #1F2528;
}

h1 {
  font-size: 2.1rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.1rem;
}

p {
  color: #1F2528;
}

a {
  color: #1F7A72;
  text-decoration: none;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

a:hover {
  color: #166059;
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid #1F7A72;
  outline-offset: 2px;
}

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

figure {
  margin: 0;
}

figcaption {
  margin-top: 8px;
  font-size: 0.875rem;
  color: #596367;
  line-height: 1.6;
}

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

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: 0;
  background: none;
  color: inherit;
}

strong {
  font-weight: 600;
  color: #1F2528;
}

hr.rule {
  border: 0;
  height: 1px;
  background-color: #D7DDDB;
  margin: 24px 0 0;
}

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

/* ==========================================================================
   layout · 页头 / 导航 / 主容器 / 页脚
   ========================================================================== */

/* 页头固定 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #FFFFFF;
  border-bottom: 1px solid #D7DDDB;
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  font-size: 1.25rem;
  font-weight: 600;
  color: #1F2528;
  letter-spacing: 0;
  white-space: nowrap;
  flex-shrink: 0;
}

.brand:hover {
  color: #1F7A72;
  text-decoration: none;
}

/* 主导航 */
.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
}

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

.nav-list a {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 12px;
  font-size: 0.95rem;
  color: #596367;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.nav-list a:hover {
  color: #1F2528;
  text-decoration: none;
}

.nav-list a.is-current {
  color: #1F7A72;
  border-bottom-color: #1F7A72;
  font-weight: 600;
}

/* 移动菜单按钮（桌面隐藏） */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  border: 1px solid #D7DDDB;
  border-radius: 6px;
  background-color: #FFFFFF;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: #1F2528;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 横向分类标签条 */
.category-strip {
  background-color: #FFFFFF;
  border-bottom: 1px solid #D7DDDB;
}

.category-strip-list {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.category-strip-list::-webkit-scrollbar {
  height: 3px;
}

.category-strip-list::-webkit-scrollbar-thumb {
  background-color: #D7DDDB;
  border-radius: 2px;
}

.category-strip-list li {
  flex: 0 0 auto;
}

.category-strip-list a {
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding: 0 14px;
  font-size: 0.9rem;
  color: #596367;
  white-space: nowrap;
}

.category-strip-list a:hover {
  color: #1F7A72;
  text-decoration: none;
}

.category-strip-list a.is-current {
  color: #1F7A72;
  font-weight: 600;
}

/* 主容器 */
.site-main {
  display: block;
  width: 100%;
}

.inner-main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px 72px;
}

/* 页脚 */
.site-footer {
  background-color: #FFFFFF;
  border-top: 1px solid #D7DDDB;
  margin-top: 0;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.footer-col {
  min-width: 0;
}

.footer-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #1F2528;
  margin-bottom: 14px;
  line-height: 1.5;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.9rem;
  color: #596367;
  line-height: 1.6;
}

.footer-links a:hover {
  color: #1F7A72;
}

.footer-bottom {
  max-width: 1120px;
  margin: 0 auto;
  padding: 18px 24px 28px;
  border-top: 1px solid #D7DDDB;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: #596367;
  line-height: 1.6;
}

.footer-year {
  font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   components · 通用组件
   ========================================================================== */

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 6px;
  border: 1px solid transparent;
  line-height: 1.2;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background-color: #1F7A72;
  color: #FFFFFF;
  border-color: #1F7A72;
}

.btn-primary:hover {
  background-color: #166059;
  border-color: #166059;
  color: #FFFFFF;
}

.btn-ghost {
  background-color: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.7);
}

.btn-ghost:hover {
  background-color: #FFFFFF;
  color: #1F2528;
  border-color: #FFFFFF;
}

/* 文本链接 */
.text-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.9rem;
  font-weight: 600;
  color: #1F7A72;
  min-height: 32px;
}

.text-link::after {
  content: "→";
  margin-left: 6px;
  transition: transform 0.18s ease;
}

.text-link:hover {
  color: #166059;
  text-decoration: none;
}

.text-link:hover::after {
  transform: translateX(3px);
}

/* 区块标题 */
.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: #1F2528;
  line-height: 1.35;
}

.section-lead {
  font-size: 1rem;
  color: #596367;
  line-height: 1.7;
  max-width: 760px;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 20px 0 0;
  font-size: 0.875rem;
  color: #596367;
  line-height: 1.6;
}

.breadcrumb a {
  color: #596367;
}

.breadcrumb a:hover {
  color: #1F7A72;
}

.breadcrumb-sep {
  color: #D7DDDB;
}

.breadcrumb-current {
  color: #1F2528;
  font-weight: 600;
}

/* 页面标题区 */
.page-header {
  padding: 20px 0 0;
}

.page-title {
  font-size: 2.1rem;
  font-weight: 600;
  color: #1F2528;
  line-height: 1.3;
}

.page-head {
  padding: 14px 0 24px;
  border-bottom: 1px solid #D7DDDB;
  margin-bottom: 40px;
}

.page-lede,
.page-lead {
  font-size: 1rem;
  color: #596367;
  line-height: 1.75;
  max-width: 820px;
}

/* 表格横向滚动容器 */
.table-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid #D7DDDB;
  border-radius: 6px;
  background-color: #FFFFFF;
}

.table-scroll::-webkit-scrollbar {
  height: 8px;
}

.table-scroll::-webkit-scrollbar-thumb {
  background-color: #D7DDDB;
  border-radius: 4px;
}

/* 数据表 */
.data-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table thead th {
  background-color: #E8F2F0;
  color: #1F2528;
  font-weight: 600;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid #D7DDDB;
  white-space: nowrap;
}

.data-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid #D7DDDB;
  color: #1F2528;
  vertical-align: top;
  line-height: 1.6;
}

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

.data-table tbody tr:hover td {
  background-color: #F4F6F5;
}

.data-table .cell-num {
  width: 64px;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: #1F7A72;
  white-space: nowrap;
}

/* 表格说明 */
.table-note {
  margin-top: 12px;
  font-size: 0.875rem;
  color: #596367;
  line-height: 1.65;
}

/* 内容提示条（左边框） */
.note-strip {
  border-left: 3px solid #C9975B;
  background-color: #FFFFFF;
  padding: 14px 18px;
  border-radius: 0 6px 6px 0;
}

.note-strip p {
  font-size: 0.9rem;
  color: #596367;
  line-height: 1.7;
}

/* FAQ 折叠 */
.faq-item {
  background-color: #FFFFFF;
  border: 1px solid #D7DDDB;
  border-radius: 6px;
  overflow: hidden;
}

.faq-item + .faq-item {
  margin-top: 10px;
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  font-size: 1rem;
  font-weight: 600;
  color: #1F2528;
  cursor: pointer;
  list-style: none;
  min-height: 44px;
  line-height: 1.5;
}

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

.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  font-size: 1.25rem;
  font-weight: 400;
  color: #1F7A72;
  line-height: 1;
  transition: transform 0.18s ease;
}

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

.faq-item summary:hover {
  background-color: #F4F6F5;
}

.faq-item p {
  padding: 0 20px 18px;
  font-size: 0.95rem;
  color: #596367;
  line-height: 1.75;
}

/* 相关链接列表 */
.related-links {
  padding-top: 8px;
}

.related-links h2 {
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.related-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid #D7DDDB;
}

.related-list li {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid #D7DDDB;
}

.related-list a {
  font-size: 0.95rem;
  font-weight: 600;
  color: #1F7A72;
  min-height: 24px;
}

.related-list span {
  font-size: 0.875rem;
  color: #596367;
  line-height: 1.6;
}

/* ==========================================================================
   pages · 首页
   ========================================================================== */

.home-main {
  display: block;
}

/* 全宽焦点首屏 */
.hero {
  position: relative;
  width: 100%;
  min-height: 520px;
  background-color: #1F2528;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  margin: 0;
}

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

.hero-overlay {
  position: relative;
  z-index: 1;
  min-height: 520px;
  display: flex;
  align-items: center;
  background-color: rgba(20, 26, 28, 0.62);
}

.hero-text {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 64px 24px;
  max-width: 620px;
  margin-left: max(24px, calc((100% - 1120px) / 2 + 24px));
  margin-right: auto;
}

.hero-text h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 600;
  color: #FFFFFF;
  line-height: 1.2;
  margin-bottom: 18px;
}

.hero-lead {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.75;
  margin-bottom: 28px;
  max-width: 560px;
}

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

/* 快速入口条 */
.quick-entry {
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 24px 0;
}

.quick-entry .section-title {
  margin-bottom: 24px;
}

.quick-entry-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border: 1px solid #D7DDDB;
  border-radius: 6px;
  background-color: #FFFFFF;
  overflow: hidden;
}

.quick-entry-item {
  padding: 22px 24px;
  border-right: 1px solid #D7DDDB;
  min-width: 0;
  transition: background-color 0.18s ease;
}

.quick-entry-item:last-child {
  border-right: 0;
}

.quick-entry-item:hover {
  background-color: #F4F6F5;
}

.entry-num {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #1F7A72;
  font-variant-numeric: tabular-nums;
  margin-bottom: 8px;
  letter-spacing: 0;
}

.entry-name {
  display: inline-block;
  font-size: 1.05rem;
  font-weight: 600;
  color: #1F2528;
  min-height: 28px;
  line-height: 1.4;
}

.entry-name:hover {
  color: #1F7A72;
}

.entry-purpose {
  margin-top: 8px;
  font-size: 0.875rem;
  color: #596367;
  line-height: 1.65;
}

/* 任务漏斗 */
.task-funnel {
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 24px 0;
}

.task-funnel .section-title {
  margin-bottom: 10px;
}

.task-funnel .section-lead {
  margin-bottom: 28px;
}

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

.funnel-col {
  background-color: #FFFFFF;
  border: 1px solid #D7DDDB;
  border-left: 3px solid #1F7A72;
  border-radius: 0 6px 6px 0;
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: background-color 0.18s ease, border-left-color 0.18s ease;
}

.funnel-col:hover {
  background-color: #F4F6F5;
  border-left-color: #2F5F73;
}

.funnel-col h3 {
  font-size: 1rem;
  color: #1F2528;
  margin-bottom: 10px;
  line-height: 1.45;
}

.funnel-col p {
  font-size: 0.875rem;
  color: #596367;
  line-height: 1.7;
  margin-bottom: 14px;
  flex: 1 1 auto;
}

/* 首页编号目录摘录 */
.catalog-preview {
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 24px 0;
}

/* 双栏说明 */
.dual-panel {
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 24px 0;
}

.dual-panel .section-title {
  margin-bottom: 24px;
}

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

.dual-col {
  background-color: #FFFFFF;
  border: 1px solid #D7DDDB;
  border-radius: 6px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.dual-col h3 {
  font-size: 1.1rem;
  color: #1F2528;
  margin-bottom: 16px;
  line-height: 1.4;
}

.dual-figure {
  margin: 0 0 18px;
  border-radius: 6px;
  overflow: hidden;
  background-color: #E8F2F0;
}

.dual-figure img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.field-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 18px;
  flex: 1 1 auto;
}

.field-list li {
  font-size: 0.9rem;
  color: #596367;
  line-height: 1.7;
  padding-left: 14px;
  position: relative;
}

.field-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: #1F7A72;
}

.field-list strong {
  color: #1F2528;
  margin-right: 4px;
}

/* 首页内容形态对照表 */
.compare-table {
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 24px 0;
}

.compare-table .table-scroll {
  margin-top: 0;
}

/* 首页 FAQ */
.faq {
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 24px 0;
}

.faq .section-title {
  margin-bottom: 24px;
}

.faq-list {
  display: flex;
  flex-direction: column;
}

/* 反馈入口条 */
.feedback-strip {
  max-width: 1120px;
  margin: 56px auto 0;
  padding: 0 24px 72px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border: 1px solid #D7DDDB;
  border-radius: 6px;
  background-color: #FFFFFF;
  overflow: hidden;
}

.feedback-col {
  padding: 24px;
  min-width: 0;
}

.feedback-col:first-child {
  border-right: 1px solid #D7DDDB;
}

.feedback-col .section-title {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.feedback-col p {
  font-size: 0.9rem;
  color: #596367;
  line-height: 1.7;
  margin-bottom: 14px;
}

/* ==========================================================================
   pages · 内页通用业务模块
   ========================================================================== */

/* 总目录页 */
.catalog-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  margin-bottom: 48px;
}

.catalog-intro-text {
  min-width: 0;
}

.catalog-intro-text h2 {
  font-size: 1.35rem;
  margin-bottom: 14px;
}

.catalog-intro-text p {
  font-size: 1rem;
  color: #596367;
  line-height: 1.75;
  margin-bottom: 18px;
}

.intro-points {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.intro-points li {
  font-size: 0.9rem;
  color: #1F2528;
  line-height: 1.7;
  padding-left: 16px;
  position: relative;
}

.intro-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #1F7A72;
}

.catalog-intro-figure {
  margin: 0;
  border-radius: 6px;
  overflow: hidden;
  background-color: #E8F2F0;
  border: 1px solid #D7DDDB;
}

.catalog-intro-figure img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  display: block;
}

.catalog-intro-figure figcaption {
  padding: 10px 14px;
  margin-top: 0;
  font-size: 0.85rem;
  color: #596367;
  background-color: #FFFFFF;
  border-top: 1px solid #D7DDDB;
}

.catalog-table-section {
  margin-bottom: 48px;
}

.catalog-table-section h2 {
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.section-note {
  font-size: 0.9rem;
  color: #596367;
  line-height: 1.7;
  margin-bottom: 18px;
}

.catalog-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.catalog-table caption {
  caption-side: top;
  text-align: left;
  padding: 12px 16px;
  font-size: 0.85rem;
  color: #596367;
  background-color: #FFFFFF;
  border-bottom: 1px solid #D7DDDB;
}

.catalog-table thead th {
  background-color: #E8F2F0;
  color: #1F2528;
  font-weight: 600;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid #D7DDDB;
  white-space: nowrap;
}

.catalog-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid #D7DDDB;
  color: #1F2528;
  vertical-align: top;
  line-height: 1.6;
}

.catalog-table tbody tr:last-child td {
  border-bottom: 0;
}

.catalog-table tbody tr:hover td {
  background-color: #F4F6F5;
}

.catalog-table .cell-id {
  width: 64px;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: #1F7A72;
  white-space: nowrap;
}

.reading-method {
  margin-bottom: 48px;
}

.reading-method h2 {
  font-size: 1.35rem;
  margin-bottom: 24px;
}

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

.method-step {
  background-color: #FFFFFF;
  border: 1px solid #D7DDDB;
  border-radius: 6px;
  padding: 22px 20px;
  min-width: 0;
}

.method-step .step-num {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #1F7A72;
  font-variant-numeric: tabular-nums;
  margin-bottom: 8px;
}

.method-step h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  line-height: 1.45;
}

.method-step p {
  font-size: 0.875rem;
  color: #596367;
  line-height: 1.7;
}

/* 题材索引页 */
.topic-tabs {
  margin-bottom: 40px;
}

.topic-tablist {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 4px;
  margin-bottom: 24px;
  border-bottom: 1px solid #D7DDDB;
  scrollbar-width: thin;
}

.topic-tablist::-webkit-scrollbar {
  height: 3px;
}

.topic-tablist::-webkit-scrollbar-thumb {
  background-color: #D7DDDB;
  border-radius: 2px;
}

.topic-tab {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 0 18px;
  font-size: 0.95rem;
  font-weight: 500;
  color: #596367;
  background-color: transparent;
  border: 1px solid transparent;
  border-bottom: 2px solid transparent;
  border-radius: 6px 6px 0 0;
  margin-bottom: -1px;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.topic-tab:hover {
  color: #1F2528;
  background-color: #F4F6F5;
}

.topic-tab.is-active {
  color: #1F7A72;
  border-bottom-color: #1F7A72;
  font-weight: 600;
  background-color: #FFFFFF;
}

.topic-panels {
  position: relative;
}

.topic-panel {
  background-color: #FFFFFF;
  border: 1px solid #D7DDDB;
  border-radius: 6px;
  padding: 28px;
}

.topic-panel[hidden] {
  display: none;
}

.topic-panel h2 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.topic-panel > p {
  font-size: 0.95rem;
  color: #596367;
  line-height: 1.75;
  margin-bottom: 20px;
  max-width: 760px;
}

.topic-figure {
  margin: 0 0 24px;
  border-radius: 6px;
  overflow: hidden;
  background-color: #E8F2F0;
  border: 1px solid #D7DDDB;
}

.topic-figure img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
}

.topic-figure figcaption {
  padding: 10px 14px;
  margin-top: 0;
  font-size: 0.85rem;
  color: #596367;
  background-color: #FFFFFF;
  border-top: 1px solid #D7DDDB;
}

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

.topic-entry-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  background-color: #F4F6F5;
  border: 1px solid #D7DDDB;
  border-radius: 6px;
  min-width: 0;
}

.topic-entry-list .entry-num {
  display: inline-block;
  margin-bottom: 0;
  flex-shrink: 0;
}

.topic-entry-list a {
  font-size: 0.95rem;
  font-weight: 500;
  color: #1F2528;
  line-height: 1.55;
}

.topic-entry-list a:hover {
  color: #1F7A72;
}

.tag-legend {
  margin-bottom: 40px;
  padding-top: 40px;
  border-top: 1px solid #D7DDDB;
}

.tag-legend h2 {
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.tag-legend > p {
  font-size: 0.95rem;
  color: #596367;
  line-height: 1.7;
  margin-bottom: 18px;
}

.legend-table {
  width: 100%;
  font-size: 0.875rem;
  border: 1px solid #D7DDDB;
  border-radius: 6px;
  overflow: hidden;
  background-color: #FFFFFF;
}

.legend-table caption {
  caption-side: top;
  text-align: left;
  padding: 12px 16px;
  font-size: 0.85rem;
  color: #596367;
  background-color: #FFFFFF;
  border-bottom: 1px solid #D7DDDB;
}

.legend-table thead th {
  background-color: #E8F2F0;
  color: #1F2528;
  font-weight: 600;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid #D7DDDB;
  white-space: nowrap;
}

.legend-table tbody th,
.legend-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid #D7DDDB;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
}

.legend-table tbody th {
  font-weight: 600;
  color: #1F2528;
  white-space: nowrap;
}

.legend-table tbody td {
  color: #596367;
}

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

/* 条目说明页 */
.entry-overview {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  margin-bottom: 48px;
}

.entry-overview-info {
  min-width: 0;
}

.entry-overview-info h2 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.entry-overview-info > p {
  font-size: 0.95rem;
  color: #596367;
  line-height: 1.75;
  margin-bottom: 18px;
}

.entry-meta-table {
  width: 100%;
  font-size: 0.9rem;
  border: 1px solid #D7DDDB;
  border-radius: 6px;
  overflow: hidden;
  background-color: #FFFFFF;
}

.entry-meta-table th {
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  color: #1F2528;
  background-color: #E8F2F0;
  border-bottom: 1px solid #D7DDDB;
  border-right: 1px solid #D7DDDB;
  width: 110px;
  white-space: nowrap;
  vertical-align: top;
}

.entry-meta-table td {
  padding: 12px 16px;
  color: #596367;
  border-bottom: 1px solid #D7DDDB;
  line-height: 1.65;
  vertical-align: top;
}

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

.entry-overview-figure {
  margin: 0;
  border-radius: 6px;
  overflow: hidden;
  background-color: #E8F2F0;
  border: 1px solid #D7DDDB;
}

.entry-overview-figure img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
}

.entry-overview-figure figcaption {
  padding: 10px 14px;
  margin-top: 0;
  font-size: 0.85rem;
  color: #596367;
  background-color: #FFFFFF;
  border-top: 1px solid #D7DDDB;
}

.content-direction {
  margin-bottom: 48px;
}

.content-direction h2 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.content-direction > p {
  font-size: 0.95rem;
  color: #596367;
  line-height: 1.75;
  margin-bottom: 20px;
  max-width: 820px;
}

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

.direction-item {
  background-color: #FFFFFF;
  border: 1px solid #D7DDDB;
  border-top: 3px solid #2F5F73;
  border-radius: 6px;
  padding: 20px;
  min-width: 0;
}

.direction-item h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  line-height: 1.45;
}

.direction-item p {
  font-size: 0.875rem;
  color: #596367;
  line-height: 1.7;
}

.suitability {
  margin-bottom: 48px;
}

.suitability h2 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.suitability > p {
  font-size: 0.95rem;
  color: #596367;
  line-height: 1.75;
  margin-bottom: 20px;
  max-width: 820px;
}

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

.suitability-panel {
  background-color: #FFFFFF;
  border: 1px solid #D7DDDB;
  border-radius: 6px;
  padding: 22px 20px;
  min-width: 0;
}

.suitability-panel-fit {
  border-left: 3px solid #1F7A72;
}

.suitability-panel-unfit {
  border-left: 3px solid #C9975B;
}

.suitability-panel h3 {
  font-size: 1rem;
  margin-bottom: 12px;
  line-height: 1.45;
}

.suitability-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.suitability-list li {
  font-size: 0.9rem;
  color: #596367;
  line-height: 1.7;
  padding-left: 16px;
  position: relative;
}

.suitability-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #1F7A72;
}

.suitability-panel-unfit .suitability-list li::before {
  background-color: #C9975B;
}

.preparation {
  margin-bottom: 48px;
}

.preparation h2 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.preparation > p {
  font-size: 0.95rem;
  color: #596367;
  line-height: 1.75;
  margin-bottom: 20px;
  max-width: 820px;
}

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

.preparation-step {
  background-color: #FFFFFF;
  border: 1px solid #D7DDDB;
  border-radius: 6px;
  padding: 20px;
  min-width: 0;
}

.preparation-step h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  line-height: 1.45;
}

.preparation-step p {
  font-size: 0.875rem;
  color: #596367;
  line-height: 1.7;
}

.related-entry {
  margin-bottom: 32px;
}

.related-entry h2 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.related-entry > p {
  font-size: 0.95rem;
  color: #596367;
  line-height: 1.75;
  margin-bottom: 18px;
}

.related-entry-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid #D7DDDB;
}

.related-entry-item {
  padding: 14px 0;
  border-bottom: 1px solid #D7DDDB;
}

.related-entry-item a {
  display: inline-block;
  font-size: 0.95rem;
  font-weight: 600;
  color: #1F7A72;
  margin-bottom: 4px;
  min-height: 24px;
}

.related-entry-item p {
  font-size: 0.875rem;
  color: #596367;
  line-height: 1.65;
}

.related-links[aria-label="相关内容"] {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px 0 0;
  border-top: 1px solid #D7DDDB;
  margin-bottom: 0;
}

.related-links-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: #1F2528;
}

.related-links-item {
  font-size: 0.9rem;
  color: #1F7A72;
  min-height: 24px;
}

/* 内容对照页 */
.compare-summary {
  margin-bottom: 48px;
}

.compare-summary h2 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.compare-summary > p {
  font-size: 0.95rem;
  color: #596367;
  line-height: 1.75;
  margin-bottom: 14px;
  max-width: 820px;
}

.compare-figure {
  margin: 20px 0 0;
  border-radius: 6px;
  overflow: hidden;
  background-color: #E8F2F0;
  border: 1px solid #D7DDDB;
}

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

.compare-figure figcaption {
  padding: 10px 14px;
  margin-top: 0;
  font-size: 0.85rem;
  color: #596367;
  background-color: #FFFFFF;
  border-top: 1px solid #D7DDDB;
}

.compare-table-section {
  margin-bottom: 48px;
}

.compare-table-section h2 {
  font-size: 1.35rem;
  margin-bottom: 18px;
}

.compare-table-section .compare-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.compare-table-section .compare-table thead th {
  background-color: #E8F2F0;
  color: #1F2528;
  font-weight: 600;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid #D7DDDB;
  white-space: nowrap;
}

.compare-table-section .compare-table tbody th {
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  color: #1F2528;
  background-color: #F4F6F5;
  border-bottom: 1px solid #D7DDDB;
  border-right: 1px solid #D7DDDB;
  white-space: nowrap;
  vertical-align: top;
}

.compare-table-section .compare-table tbody td {
  padding: 12px 16px;
  color: #596367;
  border-bottom: 1px solid #D7DDDB;
  vertical-align: top;
  line-height: 1.65;
}

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

.difference-notes {
  margin-bottom: 48px;
}

.difference-notes h2 {
  font-size: 1.35rem;
  margin-bottom: 20px;
}

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

.difference-item {
  background-color: #FFFFFF;
  border: 1px solid #D7DDDB;
  border-radius: 6px;
  padding: 20px;
  min-width: 0;
}

.difference-item h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  line-height: 1.45;
}

.difference-item p {
  font-size: 0.875rem;
  color: #596367;
  line-height: 1.7;
}

.choice-guide {
  margin-bottom: 48px;
}

.choice-guide h2 {
  font-size: 1.35rem;
  margin-bottom: 20px;
}

.choice-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid #D7DDDB;
}

.choice-list li {
  display: grid;
  grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
  gap: 20px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid #D7DDDB;
}

.choice-list h3 {
  font-size: 1rem;
  line-height: 1.5;
}

.choice-list p {
  font-size: 0.9rem;
  color: #596367;
  line-height: 1.7;
}

/* 观看准备页 */
.prep-steps {
  margin-bottom: 48px;
}

.prep-steps h2 {
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.section-intro {
  font-size: 0.95rem;
  color: #596367;
  line-height: 1.75;
  margin-bottom: 20px;
  max-width: 820px;
}

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

.prep-step {
  background-color: #FFFFFF;
  border: 1px solid #D7DDDB;
  border-radius: 6px;
  padding: 22px 20px;
  min-width: 0;
}

.prep-step .step-num {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #1F7A72;
  font-variant-numeric: tabular-nums;
  margin-bottom: 8px;
}

.prep-step h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  line-height: 1.45;
}

.prep-step p {
  font-size: 0.875rem;
  color: #596367;
  line-height: 1.7;
}

.entry-check {
  margin-bottom: 40px;
}

.entry-check h2 {
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.check-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid #D7DDDB;
}

.check-item {
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  gap: 20px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid #D7DDDB;
}

.check-item h3 {
  font-size: 1rem;
  line-height: 1.5;
}

.check-item p {
  font-size: 0.9rem;
  color: #596367;
  line-height: 1.7;
}

.help-figure {
  margin: 0 0 40px;
  border-radius: 6px;
  overflow: hidden;
  background-color: #E8F2F0;
  border: 1px solid #D7DDDB;
}

.help-figure img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
}

.help-figure figcaption {
  padding: 10px 14px;
  margin-top: 0;
  font-size: 0.85rem;
  color: #596367;
  background-color: #FFFFFF;
  border-top: 1px solid #D7DDDB;
}

/* 纠错反馈页 */
.correction-scope {
  margin-bottom: 48px;
}

.correction-scope h2 {
  font-size: 1.35rem;
  margin-bottom: 10px;
}

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

.scope-card {
  background-color: #FFFFFF;
  border: 1px solid #D7DDDB;
  border-radius: 6px;
  padding: 22px 20px;
  min-width: 0;
}

.scope-index {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #1F7A72;
  font-variant-numeric: tabular-nums;
  margin-bottom: 8px;
}

.scope-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  line-height: 1.45;
}

.scope-card p {
  font-size: 0.875rem;
  color: #596367;
  line-height: 1.7;
  margin-bottom: 12px;
}

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

.scope-list li {
  font-size: 0.85rem;
  color: #596367;
  line-height: 1.65;
  padding-left: 14px;
  position: relative;
}

.scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: #2F5F73;
}

.info-checklist {
  margin-bottom: 48px;
}

.info-checklist h2 {
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.checklist-table {
  width: 100%;
  font-size: 0.875rem;
  border: 1px solid #D7DDDB;
  border-radius: 6px;
  overflow: hidden;
  background-color: #FFFFFF;
  margin-bottom: 16px;
}

.checklist-table caption {
  caption-side: top;
  text-align: left;
  padding: 12px 16px;
  font-size: 0.85rem;
  color: #596367;
  background-color: #FFFFFF;
  border-bottom: 1px solid #D7DDDB;
}

.checklist-table thead th {
  background-color: #E8F2F0;
  color: #1F2528;
  font-weight: 600;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid #D7DDDB;
  white-space: nowrap;
}

.checklist-table tbody th,
.checklist-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid #D7DDDB;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
}

.checklist-table tbody th {
  font-weight: 600;
  color: #1F2528;
  white-space: nowrap;
  width: 120px;
}

.checklist-table tbody td {
  color: #596367;
}

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

.route-steps {
  margin-bottom: 48px;
}

.route-steps h2 {
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.route-figure {
  margin: 0 0 24px;
  border-radius: 6px;
  overflow: hidden;
  background-color: #E8F2F0;
  border: 1px solid #D7DDDB;
}

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

.route-figure figcaption {
  padding: 10px 14px;
  margin-top: 0;
  font-size: 0.85rem;
  color: #596367;
  background-color: #FFFFFF;
  border-top: 1px solid #D7DDDB;
}

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

.route-step {
  background-color: #FFFFFF;
  border: 1px solid #D7DDDB;
  border-radius: 6px;
  padding: 22px 20px;
  min-width: 0;
}

.route-index {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #1F7A72;
  font-variant-numeric: tabular-nums;
  margin-bottom: 8px;
}

.route-step h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  line-height: 1.45;
}

.route-step p {
  font-size: 0.875rem;
  color: #596367;
  line-height: 1.7;
}

.route-step a {
  font-weight: 600;
  color: #1F7A72;
}

/* ==========================================================================
   pages · 404
   ========================================================================== */

.error-main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 64px 24px 80px;
}

.error-panel {
  max-width: 720px;
  padding-bottom: 40px;
  border-bottom: 1px solid #D7DDDB;
  margin-bottom: 40px;
}

.error-code {
  font-size: 0.9rem;
  font-weight: 600;
  color: #1F7A72;
  font-variant-numeric: tabular-nums;
  margin-bottom: 12px;
}

.error-panel h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 600;
  color: #1F2528;
  line-height: 1.25;
  margin-bottom: 16px;
}

.error-lead {
  font-size: 1rem;
  color: #596367;
  line-height: 1.75;
  margin-bottom: 24px;
  max-width: 620px;
}

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

.error-actions .btn-ghost {
  background-color: transparent;
  color: #1F7A72;
  border-color: #1F7A72;
}

.error-actions .btn-ghost:hover {
  background-color: #1F7A72;
  color: #FFFFFF;
  border-color: #1F7A72;
}

.error-guide h2 {
  font-size: 1.35rem;
  margin-bottom: 18px;
}

.error-guide-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid #D7DDDB;
}

.error-guide-list li {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid #D7DDDB;
}

.error-guide-list a {
  font-size: 0.95rem;
  font-weight: 600;
  color: #1F7A72;
  min-height: 24px;
}

.error-guide-list span {
  font-size: 0.875rem;
  color: #596367;
  line-height: 1.6;
}

/* ==========================================================================
   responsive · 960px 以下
   ========================================================================== */

@media (max-width: 960px) {
  .header-inner {
    height: 64px;
    padding: 0 20px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #FFFFFF;
    border-bottom: 1px solid #D7DDDB;
    box-shadow: 0 8px 20px rgba(31, 37, 40, 0.08);
    padding: 0 20px;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0;
  }

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

  .nav-list a {
    height: 48px;
    padding: 0 8px;
    border-bottom: 1px solid #D7DDDB;
    border-left: 3px solid transparent;
    font-size: 1rem;
  }

  .nav-list li:last-child a {
    border-bottom: 0;
  }

  .nav-list a.is-current {
    border-bottom-color: #D7DDDB;
    border-left-color: #1F7A72;
    padding-left: 12px;
  }

  .category-strip-list {
    padding: 0 20px;
  }

  .inner-main {
    padding: 0 20px 56px;
  }

  .hero {
    min-height: 440px;
  }

  .hero-overlay {
    min-height: 440px;
  }

  .hero-text {
    padding: 48px 20px;
    margin-left: 0;
    max-width: 620px;
  }

  .quick-entry,
  .task-funnel,
  .catalog-preview,
  .dual-panel,
  .compare-table,
  .faq {
    padding-left: 20px;
    padding-right: 20px;
    padding-top: 44px;
  }

  .feedback-strip {
    margin-top: 44px;
    padding: 0 20px 56px;
  }

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

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

  .method-steps,
  .direction-list,
  .preparation-steps,
  .difference-grid,
  .prep-step-list,
  .scope-grid,
  .route-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .choice-list li,
  .check-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .footer-inner {
    padding: 40px 20px 28px;
    gap: 24px;
  }

  .footer-bottom {
    padding: 16px 20px 24px;
  }
}

/* ==========================================================================
   responsive · 640px 以下
   ========================================================================== */

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .header-inner {
    padding: 0 16px;
  }

  .brand {
    font-size: 1.15rem;
  }

  .site-nav {
    padding: 0 16px;
  }

  .category-strip-list {
    padding: 0 16px;
    gap: 0;
  }

  .category-strip-list a {
    padding: 0 12px;
    font-size: 0.85rem;
  }

  .inner-main {
    padding: 0 16px 48px;
  }

  .breadcrumb {
    padding-top: 16px;
    font-size: 0.8rem;
  }

  .page-header {
    padding-top: 14px;
  }

  .page-title {
    font-size: 1.6rem;
  }

  .page-head {
    padding: 12px 0 20px;
    margin-bottom: 32px;
  }

  .page-lede,
  .page-lead {
    font-size: 0.95rem;
  }

  /* 首屏 */
  .hero {
    min-height: 400px;
  }

  .hero-overlay {
    min-height: 400px;
    background-color: rgba(20, 26, 28, 0.66);
  }

  .hero-text {
    padding: 40px 16px;
    max-width: 100%;
  }

  .hero-text h1 {
    font-size: clamp(1.8rem, 7vw, 2.4rem);
    margin-bottom: 14px;
  }

  .hero-lead {
    font-size: 0.95rem;
    margin-bottom: 22px;
  }

  .hero-actions {
    gap: 10px;
  }

  .hero-actions .btn {
    flex: 1 1 auto;
    min-width: 140px;
  }

  /* 首页模块 */
  .quick-entry,
  .task-funnel,
  .catalog-preview,
  .dual-panel,
  .compare-table,
  .faq {
    padding-left: 16px;
    padding-right: 16px;
    padding-top: 36px;
  }

  .section-title {
    font-size: 1.25rem;
  }

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

  .quick-entry-item {
    border-right: 0;
    border-bottom: 1px solid #D7DDDB;
    padding: 18px 18px;
  }

  .quick-entry-item:last-child {
    border-bottom: 0;
  }

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

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

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

  .feedback-strip {
    grid-template-columns: minmax(0, 1fr);
    margin-top: 36px;
    padding: 0 16px 48px;
  }

  .feedback-col:first-child {
    border-right: 0;
    border-bottom: 1px solid #D7DDDB;
  }

  .feedback-col {
    padding: 20px 18px;
  }

  /* 表格横向滚动，保留首列 */
  .table-scroll {
    border-radius: 6px;
  }

  .data-table,
  .catalog-table,
  .compare-table-section .compare-table {
    min-width: 560px;
    font-size: 0.8rem;
  }

  .data-table thead th,
  .data-table tbody td,
  .catalog-table thead th,
  .catalog-table tbody td,
  .compare-table-section .compare-table thead th,
  .compare-table-section .compare-table tbody th,
  .compare-table-section .compare-table tbody td {
    padding: 10px 12px;
  }

  .data-table .cell-num,
  .catalog-table .cell-id {
    width: 52px;
    position: sticky;
    left: 0;
    background-color: #FFFFFF;
    z-index: 1;
  }

  .data-table thead th.cell-num {
    background-color: #E8F2F0;
  }

  /* 内页模块 */
  .catalog-intro-figure img,
  .entry-overview-figure img,
  .compare-figure img,
  .help-figure img,
  .route-figure img,
  .topic-figure img {
    height: 210px;
  }

  .method-steps,
  .direction-list,
  .preparation-steps,
  .difference-grid,
  .prep-step-list,
  .scope-grid,
  .route-list,
  .suitability-panels,
  .topic-entry-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .topic-panel {
    padding: 20px 16px;
  }

  .topic-panel h2 {
    font-size: 1.2rem;
  }

  .topic-tab {
    padding: 0 14px;
    font-size: 0.9rem;
  }

  .tag-legend,
  .catalog-table-section,
  .reading-method,
  .content-direction,
  .suitability,
  .preparation,
  .compare-summary,
  .compare-table-section,
  .difference-notes,
  .choice-guide,
  .prep-steps,
  .entry-check,
  .correction-scope,
  .info-checklist,
  .route-steps,
  .catalog-intro,
  .entry-overview {
    margin-bottom: 32px;
  }

  .checklist-table,
  .legend-table {
    font-size: 0.8rem;
  }

  .checklist-table thead th,
  .checklist-table tbody th,
  .checklist-table tbody td,
  .legend-table thead th,
  .legend-table tbody th,
  .legend-table tbody td {
    padding: 10px 12px;
  }

  .entry-meta-table th {
    width: 84px;
    padding: 10px 12px;
    font-size: 0.85rem;
  }

  .entry-meta-table td {
    padding: 10px 12px;
    font-size: 0.85rem;
  }

  .choice-list li,
  .check-item {
    padding: 14px 0;
  }

  .faq-item summary {
    padding: 14px 16px;
    font-size: 0.95rem;
  }

  .faq-item p {
    padding: 0 16px 16px;
    font-size: 0.9rem;
  }

  .related-links h2 {
    font-size: 1.15rem;
  }

  .related-list li {
    flex-direction: column;
    gap: 4px;
    padding: 12px 0;
  }

  /* 404 */
  .error-main {
    padding: 40px 16px 56px;
  }

  .error-panel {
    padding-bottom: 28px;
    margin-bottom: 28px;
  }

  .error-panel h1 {
    font-size: 1.8rem;
  }

  .error-actions .btn {
    flex: 1 1 auto;
    min-width: 140px;
  }

  /* 页脚 */
  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding: 32px 16px 24px;
  }

  .footer-bottom {
    padding: 14px 16px 20px;
  }
}

/* ==========================================================================
   动效偏好
   ========================================================================== */

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

  .text-link:hover::after {
    transform: none;
  }
}