/* ============================================================
   BASE 基础层
   ============================================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: #211D1A;
  background-color: #FAF7F2;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: #D7263D;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #a91c2e;
}

ul, ol {
  list-style: none;
}

strong {
  font-weight: 700;
}

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

/* ============================================================
   LAYOUT 布局层
   ============================================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 64px;
  background-color: #FFFFFF;
  border-bottom: 1px solid #EDE8E1;
  box-shadow: 0 1px 4px rgba(33, 29, 26, 0.04);
}

.header-inner {
  max-width: 1200px;
  height: 64px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-size: 22px;
  font-weight: 700;
  color: #D7263D;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand:hover {
  color: #a91c2e;
}

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

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

.nav-list li a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 400;
  color: #211D1A;
  border-bottom: 2px solid transparent;
  line-height: 1.5;
}

.nav-list li a:hover {
  color: #D7263D;
}

.nav-list li a.is-current {
  color: #D7263D;
  border-bottom-color: #D7263D;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.nav-toggle-icon {
  display: block;
  position: relative;
  width: 22px;
  height: 2px;
  background-color: #211D1A;
  transition: background-color 0.2s ease;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background-color: #211D1A;
  transition: transform 0.2s ease;
}

.nav-toggle-icon::before {
  top: -7px;
}

.nav-toggle-icon::after {
  top: 7px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
  background-color: transparent;
}

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

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

.mobile-nav {
  display: none;
}

.site-main {
  min-height: calc(100vh - 64px - 320px);
  padding-top: 64px;
}

.site-main.inner-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.site-main.home-main {
  background-color: #FAF7F2;
}

.site-footer {
  background-color: #211D1A;
  color: #C9C1B8;
  padding: 48px 0 0;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: space-between;
}

.footer-brand {
  flex: 0 0 220px;
}

.footer-sitename {
  font-size: 20px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 14px;
  line-height: 1.6;
  color: #9A9188;
}

.footer-links {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-group h2,
.footer-group h3 {
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 12px;
}

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

.footer-group ul li a {
  font-size: 14px;
  color: #C9C1B8;
}

.footer-group ul li a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  flex-basis: 100%;
  border-top: 1px solid #3A342E;
  padding: 16px 0 20px;
  margin-top: 24px;
}

.footer-bottom p {
  font-size: 13px;
  color: #8A8178;
  text-align: center;
}

/* 面包屑 */

.breadcrumb {
  font-size: 14px;
  color: #6F675F;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: #6F675F;
}

.breadcrumb a:hover {
  color: #D7263D;
}

.breadcrumb-sep {
  color: #B8B0A7;
  margin: 0 2px;
}

.breadcrumb-current {
  color: #211D1A;
  font-weight: 600;
}

/* 页面标题区 */

.page-header {
  margin-bottom: 40px;
  border-bottom: 3px solid #D7263D;
  padding-bottom: 24px;
}

.page-title {
  font-size: 32px;
  line-height: 1.3;
  font-weight: 700;
  color: #211D1A;
  margin-bottom: 10px;
}

.page-description {
  font-size: 16px;
  line-height: 1.75;
  color: #6F675F;
  max-width: 720px;
}

/* ============================================================
   COMPONENTS 组件层
   ============================================================ */

/* 按钮 */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
  min-height: 44px;
}

.btn-primary {
  background-color: #D7263D;
  color: #FFFFFF;
  border: 1px solid #D7263D;
}

.btn-primary:hover {
  background-color: #a91c2e;
  border-color: #a91c2e;
  color: #FFFFFF;
}

.btn-secondary {
  background-color: transparent;
  color: #211D1A;
  border: 1px solid #211D1A;
}

.btn-secondary:hover {
  background-color: #211D1A;
  color: #FFFFFF;
}

/* 标签 */

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-list li a {
  display: inline-block;
  padding: 6px 14px;
  font-size: 13px;
  line-height: 1.4;
  color: #211D1A;
  background-color: #FFFFFF;
  border: 1px solid #E2DBD2;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.tag-list li a:hover {
  background-color: #D7263D;
  border-color: #D7263D;
  color: #FFFFFF;
}

.tag {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  line-height: 1.4;
  color: #D7263D;
  background-color: #FCE9EC;
  border-radius: 4px;
  font-weight: 600;
}

/* 区块标题 */

.section-title {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  color: #211D1A;
  margin-bottom: 20px;
}

.section-lead {
  font-size: 16px;
  line-height: 1.75;
  color: #6F675F;
  margin-bottom: 24px;
  max-width: 760px;
}

.section-desc {
  font-size: 16px;
  line-height: 1.75;
  color: #6F675F;
  margin-bottom: 24px;
  max-width: 760px;
}

.section-intro {
  font-size: 15px;
  line-height: 1.7;
  color: #6F675F;
  margin-bottom: 20px;
  max-width: 720px;
}

/* 内容图片 */

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

.content-media img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
}

.content-media figcaption {
  font-size: 13px;
  color: #8A8178;
  margin-top: 8px;
  line-height: 1.5;
}

.content-media-inline {
  max-width: 640px;
}

/* 表格滚动容器 */

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 24px;
  border-radius: 6px;
}

.table-scroll::-webkit-scrollbar {
  height: 6px;
}

.table-scroll::-webkit-scrollbar-thumb {
  background-color: #D6CEC4;
  border-radius: 3px;
}

/* 相关入口 */

.related-links {
  margin-top: 48px;
}

.related-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.related-card {
  display: block;
  padding: 24px;
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 8px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  min-height: 44px;
}

.related-card:hover {
  box-shadow: 0 4px 16px rgba(33, 29, 26, 0.08);
  transform: translateY(-2px);
}

.related-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: #211D1A;
  margin-bottom: 8px;
}

.related-card p {
  font-size: 14px;
  line-height: 1.6;
  color: #6F675F;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.related-card-title {
  display: block;
  font-size: 17px;
  font-weight: 600;
  color: #211D1A;
  margin-bottom: 8px;
}

.related-card-desc {
  display: block;
  font-size: 14px;
  line-height: 1.6;
  color: #6F675F;
}

.related-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.related-list li a {
  display: inline-block;
  padding: 10px 20px;
  background-color: #FFFFFF;
  border: 1px solid #E2DBD2;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  color: #211D1A;
  transition: all 0.2s ease;
  min-height: 44px;
  line-height: 1.5;
}

.related-list li a:hover {
  background-color: #D7263D;
  border-color: #D7263D;
  color: #FFFFFF;
}

.related-title {
  font-size: 20px;
  font-weight: 700;
  color: #211D1A;
  margin-bottom: 16px;
}

/* ============================================================
   PAGES 首页
   ============================================================ */

/* 首屏焦点区 */

.hero-focus {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 24px 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-title {
  font-size: 36px;
  line-height: 1.3;
  font-weight: 700;
  color: #211D1A;
}

.hero-lead {
  font-size: 17px;
  line-height: 1.75;
  color: #6F675F;
}

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

.hero-media {
  margin: 0;
  border-radius: 8px;
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 8px;
}

/* 首页主体布局 */

.home-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 56px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

/* 内容看点瀑布 */

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

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

.video-card {
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.video-card:hover {
  box-shadow: 0 6px 20px rgba(33, 29, 26, 0.08);
  transform: translateY(-3px);
}

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

.card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: #211D1A;
}

.card-desc {
  font-size: 14px;
  line-height: 1.6;
  color: #6F675F;
}

.card-link {
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
  color: #D7263D;
  border-bottom: 1px solid transparent;
  display: inline-block;
  width: fit-content;
  padding-bottom: 2px;
}

.card-link:hover {
  border-bottom-color: #D7263D;
}

/* 侧栏 */

.home-sidebar {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.sidebar-block {
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 8px;
  padding: 24px;
}

.sidebar-title {
  font-size: 18px;
  font-weight: 700;
  color: #211D1A;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid #F2B84B;
}

.playlist-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.playlist-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.playlist-num {
  flex: 0 0 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #FCE9EC;
  color: #D7263D;
  font-size: 14px;
  font-weight: 700;
  border-radius: 4px;
}

.playlist-info {
  flex: 1;
  min-width: 0;
}

.playlist-name {
  font-size: 15px;
  font-weight: 600;
  color: #211D1A;
  line-height: 1.5;
  margin-bottom: 2px;
}

.playlist-desc {
  font-size: 13px;
  line-height: 1.5;
  color: #6F675F;
}

.sidebar-more {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: #D7263D;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.sidebar-more:hover {
  border-bottom-color: #D7263D;
}

/* 指南步骤 */

.guide-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.guide-steps .step-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.step-num {
  flex: 0 0 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #F2B84B;
  color: #211D1A;
  font-size: 14px;
  font-weight: 700;
  border-radius: 4px;
}

.step-text {
  flex: 1;
  font-size: 14px;
  line-height: 1.6;
  color: #211D1A;
}

.step-text a {
  font-weight: 600;
}

/* 首页底部横幅 */

.info-banner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.faq-entry,
.boundary-card {
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 8px;
  padding: 28px;
}

.banner-title {
  font-size: 20px;
  font-weight: 700;
  color: #211D1A;
  margin-bottom: 16px;
}

.faq-shortlist {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.faq-shortlist li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  background-color: #FAF7F2;
  border-radius: 6px;
  font-size: 15px;
  color: #211D1A;
  transition: background-color 0.2s ease;
}

.faq-shortlist li a::after {
  content: "→";
  color: #D7263D;
  font-weight: 700;
  flex-shrink: 0;
}

.faq-shortlist li a:hover {
  background-color: #FCE9EC;
}

.banner-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: #D7263D;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.banner-link:hover {
  border-bottom-color: #D7263D;
}

.boundary-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.boundary-provide,
.boundary-not-provide {
  padding: 16px;
  border-radius: 6px;
}

.boundary-provide {
  background-color: #F0F7EF;
  border: 1px solid #D5E8D3;
}

.boundary-not-provide {
  background-color: #FCE9EC;
  border: 1px solid #F2C4CB;
}

.boundary-provide h3,
.boundary-not-provide h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}

.boundary-provide h3 {
  color: #2E7D32;
}

.boundary-not-provide h3 {
  color: #C62828;
}

.boundary-provide p,
.boundary-not-provide p {
  font-size: 13px;
  line-height: 1.6;
  color: #211D1A;
}

/* ============================================================
   PAGES 频道分类页
   ============================================================ */

.channel-overview {
  margin-bottom: 48px;
}

.channel-groups {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.channel-group {
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 8px;
  padding: 24px;
}

.group-title {
  font-size: 20px;
  font-weight: 700;
  color: #211D1A;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid #F2B84B;
}

.channel-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.channel-card {
  padding: 14px 16px;
  background-color: #FAF7F2;
  border-radius: 6px;
  border-left: 3px solid #D7263D;
}

.channel-name {
  font-size: 15px;
  font-weight: 600;
  color: #211D1A;
  margin-bottom: 4px;
}

.channel-desc {
  font-size: 13px;
  line-height: 1.6;
  color: #6F675F;
}

/* 频道详情表 */

.channel-table {
  width: 100%;
  border-collapse: collapse;
  background-color: #FFFFFF;
  border-radius: 6px;
  overflow: hidden;
}

.channel-table th,
.channel-table td {
  padding: 14px 16px;
  text-align: left;
  font-size: 14px;
  line-height: 1.6;
  border-bottom: 1px solid #EDE8E1;
}

.channel-table th {
  background-color: #211D1A;
  color: #FFFFFF;
  font-weight: 600;
  white-space: nowrap;
}

.channel-table td {
  color: #211D1A;
}

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

.channel-table tr:hover td {
  background-color: #FAF7F2;
}

.channel-table td a {
  color: #D7263D;
  font-weight: 600;
}

/* 频道使用提示 */

.channel-tips {
  margin-top: 48px;
}

.tips-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tip-item {
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 8px;
  padding: 20px 24px;
}

.tip-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: #211D1A;
  margin-bottom: 6px;
}

.tip-item p {
  font-size: 14px;
  line-height: 1.7;
  color: #6F675F;
}

/* ============================================================
   PAGES 内容看点页
   ============================================================ */

.kandian-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.kandian-grid .section-title {
  grid-column: 1 / -1;
}

.kandian-card {
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.kandian-media {
  margin: 0;
  overflow: hidden;
}

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

.kandian-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #211D1A;
  padding: 16px 20px 8px;
}

.kandian-card p {
  font-size: 14px;
  line-height: 1.7;
  color: #211D1A;
  padding: 0 20px 8px;
}

.kandian-card p:last-child {
  padding-bottom: 20px;
}

.kandian-card p strong {
  color: #D7263D;
  font-weight: 600;
  margin-right: 4px;
}

/* 看点速查表 */

.quick-reference {
  margin-bottom: 48px;
}

.reference-table {
  width: 100%;
  border-collapse: collapse;
  background-color: #FFFFFF;
  border-radius: 6px;
  overflow: hidden;
}

.reference-table th,
.reference-table td {
  padding: 14px 16px;
  text-align: left;
  font-size: 14px;
  line-height: 1.6;
  border-bottom: 1px solid #EDE8E1;
}

.reference-table th {
  background-color: #F2B84B;
  color: #211D1A;
  font-weight: 700;
  white-space: nowrap;
}

.reference-table td {
  color: #211D1A;
}

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

.reference-table tr:hover td {
  background-color: #FAF7F2;
}

/* 术语解释 */

.term-explainer {
  margin-bottom: 48px;
}

.term-item {
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 6px;
  padding: 20px 24px;
  margin-bottom: 12px;
}

.term-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: #D7263D;
  margin-bottom: 6px;
}

.term-item p {
  font-size: 14px;
  line-height: 1.7;
  color: #211D1A;
}

/* ============================================================
   PAGES 片单盘点页
   ============================================================ */

.piandan-catalog {
  margin-bottom: 48px;
}

.piandan-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.piandan-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 8px;
  padding: 20px 24px;
  transition: box-shadow 0.2s ease;
}

.piandan-item:hover {
  box-shadow: 0 4px 12px rgba(33, 29, 26, 0.06);
}

.piandan-num {
  flex: 0 0 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #FCE9EC;
  color: #D7263D;
  font-size: 18px;
  font-weight: 700;
  border-radius: 4px;
}

.piandan-info {
  flex: 1;
  min-width: 0;
}

.piandan-name {
  font-size: 17px;
  font-weight: 700;
  color: #211D1A;
  margin-bottom: 4px;
}

.piandan-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 6px;
}

.piandan-tags .tag {
  font-size: 12px;
  padding: 2px 8px;
}

.piandan-scene {
  font-size: 14px;
  line-height: 1.6;
  color: #6F675F;
}

.piandan-info a {
  display: inline-block;
  margin-top: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #D7263D;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.piandan-info a:hover {
  border-bottom-color: #D7263D;
}

/* 代表片单详情 */

.piandan-detail-section {
  margin-bottom: 48px;
}

.piandan-detail {
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 8px;
  padding: 28px;
  margin-bottom: 24px;
}

.piandan-detail-head {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.piandan-cover {
  margin: 0;
  border-radius: 6px;
  overflow: hidden;
}

.piandan-cover img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.piandan-detail-intro h3 {
  font-size: 22px;
  font-weight: 700;
  color: #211D1A;
  margin-bottom: 8px;
}

.piandan-detail-intro p {
  font-size: 14px;
  line-height: 1.7;
  color: #6F675F;
}

.piandan-structure {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  border-top: 1px solid #EDE8E1;
  padding-top: 20px;
}

.structure-step {
  background-color: #FAF7F2;
  border-radius: 6px;
  padding: 16px;
}

.step-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: #D7263D;
  background-color: #FCE9EC;
  border-radius: 4px;
  padding: 4px 10px;
  margin-bottom: 8px;
}

.structure-step p {
  font-size: 14px;
  line-height: 1.6;
  color: #211D1A;
}

/* 片单使用提示 */

.piandan-tips {
  margin-bottom: 16px;
}

.piandan-tips .tips-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.piandan-tips .tips-list li {
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 6px;
  padding: 16px 20px;
  font-size: 14px;
  line-height: 1.7;
  color: #211D1A;
}

.piandan-tips .tips-list li a {
  font-weight: 600;
  color: #D7263D;
}

/* ============================================================
   PAGES 观看指南页
   ============================================================ */

.guide-content {
  max-width: 860px;
}

/* 准备清单 */

.prep-section {
  margin-bottom: 48px;
}

.prep-section h2 {
  font-size: 24px;
  font-weight: 700;
  color: #211D1A;
  margin-bottom: 16px;
}

.prep-section > p {
  font-size: 15px;
  line-height: 1.75;
  color: #6F675F;
  margin-bottom: 20px;
}

.prep-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.prep-item {
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 6px;
  padding: 0;
}

.prep-item label {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  color: #211D1A;
  min-height: 52px;
}

.prep-check {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  accent-color: #D7263D;
  cursor: pointer;
}

.prep-item:has(.prep-check:checked) {
  background-color: #F0F7EF;
  border-color: #D5E8D3;
}

.prep-item:has(.prep-check:checked) label {
  text-decoration: line-through;
  color: #6F675F;
}

/* 核验步骤 */

.verify-section {
  margin-bottom: 48px;
}

.verify-section h2 {
  font-size: 24px;
  font-weight: 700;
  color: #211D1A;
  margin-bottom: 16px;
}

.verify-section > p {
  font-size: 15px;
  line-height: 1.75;
  color: #6F675F;
  margin-bottom: 20px;
}

.verify-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  counter-reset: verify-counter;
}

.verify-step {
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 8px;
  padding: 20px 24px;
  position: relative;
  padding-left: 64px;
}

.verify-step::before {
  counter-increment: verify-counter;
  content: counter(verify-counter);
  position: absolute;
  left: 20px;
  top: 20px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #F2B84B;
  color: #211D1A;
  font-size: 16px;
  font-weight: 700;
  border-radius: 4px;
}

.verify-step h3 {
  font-size: 16px;
  font-weight: 600;
  color: #211D1A;
  margin-bottom: 6px;
}

.verify-step p {
  font-size: 14px;
  line-height: 1.7;
  color: #6F675F;
}

/* 问题处理 */

.troubleshoot-section {
  margin-bottom: 48px;
}

.troubleshoot-section h2 {
  font-size: 24px;
  font-weight: 700;
  color: #211D1A;
  margin-bottom: 16px;
}

.troubleshoot-section > p {
  font-size: 15px;
  line-height: 1.75;
  color: #6F675F;
  margin-bottom: 20px;
}

.troubleshoot-section > p a {
  font-weight: 600;
}

.issue-item {
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 16px;
}

.issue-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: #211D1A;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #EDE8E1;
}

.issue-item p {
  font-size: 14px;
  line-height: 1.7;
  color: #211D1A;
  margin-bottom: 6px;
}

.issue-item p strong {
  color: #D7263D;
  font-weight: 600;
  margin-right: 4px;
}

/* 升级路径 */

.escalation-section {
  margin-bottom: 48px;
}

.escalation-section h2 {
  font-size: 24px;
  font-weight: 700;
  color: #211D1A;
  margin-bottom: 16px;
}

.escalation-section > p {
  font-size: 15px;
  line-height: 1.75;
  color: #6F675F;
  margin-bottom: 20px;
}

.escalation-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.escalation-card {
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 8px;
  padding: 24px;
}

.escalation-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: #211D1A;
  margin-bottom: 8px;
}

.escalation-card p {
  font-size: 14px;
  line-height: 1.6;
  color: #6F675F;
  margin-bottom: 12px;
}

.escalation-card a {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: #D7263D;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.escalation-card a:hover {
  border-bottom-color: #D7263D;
}

/* ============================================================
   PAGES 常见问题页
   ============================================================ */

.faq-categories {
  margin-bottom: 40px;
}

.faq-cat-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.faq-cat-tag {
  display: inline-block;
  padding: 10px 20px;
  background-color: #FFFFFF;
  border: 1px solid #E2DBD2;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  color: #211D1A;
  transition: all 0.2s ease;
  min-height: 44px;
  line-height: 1.5;
}

.faq-cat-tag:hover {
  background-color: #D7263D;
  border-color: #D7263D;
  color: #FFFFFF;
}

.faq-list-section {
  margin-bottom: 48px;
}

.faq-group {
  margin-bottom: 32px;
}

.faq-group-title {
  font-size: 20px;
  font-weight: 700;
  color: #D7263D;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid #F2B84B;
}

.faq-item {
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 6px;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 600;
  color: #211D1A;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 52px;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: #D7263D;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-question::after {
  transform: rotate(45deg);
}

.faq-item[open] .faq-question {
  border-bottom: 1px solid #EDE8E1;
}

.faq-answer {
  padding: 16px 20px;
}

.faq-answer p {
  font-size: 14px;
  line-height: 1.7;
  color: #211D1A;
  margin-bottom: 8px;
}

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

.faq-answer p strong {
  color: #D7263D;
  font-weight: 600;
  margin-right: 4px;
}

.faq-answer p a {
  font-weight: 600;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}

.faq-answer p a:hover {
  border-bottom-color: #D7263D;
}

/* 处理流程 */

.faq-process-tip {
  margin-bottom: 48px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

.process-step {
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}

.process-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: #F2B84B;
  color: #211D1A;
  font-size: 16px;
  font-weight: 700;
  border-radius: 4px;
  margin-bottom: 10px;
}

.process-text {
  font-size: 14px;
  line-height: 1.6;
  color: #211D1A;
}

.process-note {
  font-size: 14px;
  line-height: 1.7;
  color: #6F675F;
  text-align: center;
}

.process-note a {
  font-weight: 600;
}

/* 配图 */

.faq-media {
  margin: 0 0 48px 0;
}

.faq-image {
  width: 100%;
  max-height: 340px;
  object-fit: cover;
  border-radius: 8px;
}

.faq-media figcaption {
  font-size: 13px;
  color: #8A8178;
  margin-top: 8px;
  line-height: 1.5;
}

/* 升级卡片 */

.escalate-cards {
  margin-bottom: 16px;
}

.escalate-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.escalate-card {
  display: block;
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 8px;
  padding: 24px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  min-height: 44px;
}

.escalate-card:hover {
  box-shadow: 0 4px 16px rgba(33, 29, 26, 0.08);
  transform: translateY(-2px);
}

.escalate-card-title {
  font-size: 17px;
  font-weight: 700;
  color: #211D1A;
  margin-bottom: 8px;
}

.escalate-card-text {
  font-size: 14px;
  line-height: 1.6;
  color: #6F675F;
}

/* ============================================================
   PAGES 内容边界页
   ============================================================ */

.boundary-section {
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: 24px;
  font-weight: 700;
  color: #211D1A;
  margin-bottom: 20px;
}

.position-wrap {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 32px;
  align-items: start;
  margin-bottom: 24px;
}

.position-text p {
  font-size: 15px;
  line-height: 1.75;
  color: #211D1A;
  margin-bottom: 12px;
}

.position-text p:last-child {
  margin-bottom: 0;
}

.position-figure {
  margin: 0;
  border-radius: 8px;
  overflow: hidden;
}

.position-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.position-figure figcaption {
  font-size: 13px;
  color: #8A8178;
  margin-top: 8px;
  line-height: 1.5;
}

.position-definition {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.def-item {
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 6px;
  padding: 16px 20px;
}

.def-item dt {
  font-size: 14px;
  font-weight: 700;
  color: #D7263D;
  margin-bottom: 4px;
}

.def-item dd {
  font-size: 14px;
  line-height: 1.6;
  color: #211D1A;
}

/* 对照表 */

.boundary-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 16px;
  border-radius: 6px;
}

.boundary-table {
  width: 100%;
  border-collapse: collapse;
  background-color: #FFFFFF;
}

.boundary-table th,
.boundary-table td {
  padding: 16px;
  text-align: left;
  font-size: 14px;
  line-height: 1.6;
  border: 1px solid #EDE8E1;
  vertical-align: top;
}

.boundary-table th {
  font-weight: 700;
  font-size: 15px;
}

.boundary-table th:first-child {
  background-color: #F0F7EF;
  color: #2E7D32;
}

.boundary-table th:last-child {
  background-color: #FCE9EC;
  color: #C62828;
}

.boundary-table td:first-child {
  background-color: #F8FCF8;
  color: #211D1A;
}

.boundary-table td:last-child {
  background-color: #FEF8F9;
  color: #211D1A;
}

.table-note {
  font-size: 13px;
  line-height: 1.6;
  color: #8A8178;
  margin-top: 8px;
}

/* 合规提醒 */

.compliance-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.compliance-list li {
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 6px;
  padding: 16px 20px;
  font-size: 14px;
  line-height: 1.7;
  color: #211D1A;
}

/* 反馈卡片 */

.feedback-intro {
  font-size: 15px;
  line-height: 1.75;
  color: #6F675F;
  margin-bottom: 20px;
}

.feedback-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.feedback-card {
  display: block;
  background-color: #FFFFFF;
  border: 1px solid #EDE8E1;
  border-radius: 8px;
  padding: 24px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  min-height: 44px;
}

.feedback-card:hover {
  box-shadow: 0 4px 16px rgba(33, 29, 26, 0.08);
  transform: translateY(-2px);
}

.feedback-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: #211D1A;
  margin-bottom: 8px;
}

.feedback-card p {
  font-size: 14px;
  line-height: 1.6;
  color: #6F675F;
}

/* ============================================================
   PAGES 404
   ============================================================ */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 64px - 320px);
  padding: 48px 24px;
}

.error-section {
  text-align: center;
  max-width: 520px;
}

.error-code {
  font-size: 72px;
  font-weight: 700;
  color: #D7263D;
  line-height: 1.1;
  margin-bottom: 16px;
}

.error-title {
  font-size: 28px;
  font-weight: 700;
  color: #211D1A;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 16px;
  line-height: 1.7;
  color: #6F675F;
  margin-bottom: 12px;
}

.error-tip {
  font-size: 14px;
  line-height: 1.6;
  color: #8A8178;
  margin-bottom: 24px;
}

.error-home {
  display: inline-block;
  padding: 12px 28px;
  background-color: #D7263D;
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  transition: background-color 0.2s ease;
  min-height: 44px;
  line-height: 1.5;
}

.error-home:hover {
  background-color: #a91c2e;
  color: #FFFFFF;
}

/* ============================================================
   RESPONSIVE 响应式
   ============================================================ */

@media (max-width: 1024px) {

  .hero-focus {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-media img {
    height: 260px;
  }

  .home-layout {
    grid-template-columns: 1fr 280px;
    gap: 24px;
  }

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

  .channel-groups {
    grid-template-columns: 1fr;
  }

  .kandian-grid {
    grid-template-columns: 1fr;
  }

  .kandian-grid .section-title {
    grid-column: 1;
  }

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

  .piandan-detail-head {
    grid-template-columns: 160px 1fr;
  }

  .piandan-structure {
    grid-template-columns: 1fr;
  }

  .position-wrap {
    grid-template-columns: 1fr;
  }

  .position-figure {
    max-width: 360px;
  }

}

@media (max-width: 768px) {

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

  .nav-toggle {
    display: flex;
  }

  .nav-list {
    display: none;
  }

  .nav-list.mobile-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: #FFFFFF;
    border-bottom: 1px solid #EDE8E1;
    box-shadow: 0 4px 12px rgba(33, 29, 26, 0.06);
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px;
    gap: 0;
  }

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

  .nav-list.mobile-nav li a {
    padding: 14px 12px;
    border-bottom: 1px solid #F2EDE7;
    border-radius: 0;
    font-size: 16px;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

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

  .nav-list.mobile-nav li a.is-current {
    background-color: #FCE9EC;
    border-bottom-color: #F2EDE7;
  }

  .site-main.inner-main {
    padding: 24px 16px 48px;
  }

  .site-main.home-main {
    padding-top: 64px;
  }

  .hero-focus {
    padding: 40px 16px 32px;
  }

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

  .home-layout {
    grid-template-columns: 1fr;
    padding: 0 16px 40px;
    gap: 32px;
  }

  .home-sidebar {
    order: 2;
  }

  .info-banner {
    grid-template-columns: 1fr;
    padding: 0 16px 40px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    gap: 32px;
    padding: 0 16px;
  }

  .footer-brand {
    flex-basis: auto;
  }

  .footer-links {
    gap: 24px;
    flex-direction: column;
  }

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

  .related-cards,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .escalation-cards,
  .escalate-grid,
  .feedback-cards {
    grid-template-columns: 1fr;
  }

  .boundary-compare {
    grid-template-columns: 1fr;
  }

  .piandan-detail-head {
    grid-template-columns: 1fr;
  }

  .piandan-cover {
    max-width: 240px;
  }

  .position-definition {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .guide-content {
    max-width: 100%;
  }

  .verify-step {
    padding-left: 20px;
  }

  .verify-step::before {
    position: static;
    display: inline-flex;
    margin-bottom: 8px;
  }

}

@media (max-width: 480px) {

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-media img {
    height: 200px;
  }

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

  .tag-list {
    gap: 6px;
  }

  .tag-list li a {
    padding: 6px 10px;
    font-size: 12px;
  }

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

  .page-description {
    font-size: 15px;
  }

  .breadcrumb {
    font-size: 13px;
  }

  .section-title {
    font-size: 20px;
  }

  .piandan-item {
    flex-direction: column;
    gap: 12px;
  }

  .piandan-num {
    flex-basis: 32px;
    width: 32px;
    height: 32px;
    font-size: 16px;
  }

  .channel-table th,
  .channel-table td,
  .reference-table th,
  .reference-table td,
  .boundary-table th,
  .boundary-table td {
    padding: 12px;
    font-size: 13px;
  }

  .faq-question {
    padding: 14px 16px;
    font-size: 14px;
  }

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

  .content-media-inline {
    max-width: 100%;
  }

}