/* ============================================================
   天美传媒精品麻豆 · 全站样式
   base → layout → components → pages → responsive
   ============================================================ */

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

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

body.site-body {
  margin: 0;
  background-color: #f7f5f0;
  color: #1c2b33;
  font-family: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.75;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}

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

figure {
  margin: 0;
}

p {
  margin: 0 0 14px;
}

p:last-child {
  margin-bottom: 0;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 600;
  line-height: 1.4;
  color: #1c2b33;
}

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

a {
  color: #1c2b33;
  text-decoration: none;
}

a:hover {
  color: #b4531f;
}

button {
  font: inherit;
  color: inherit;
}

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

.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;
}

:focus-visible {
  outline: 2px solid #b4531f;
  outline-offset: 2px;
}

/* ------------------------------------------------------------
   layout · 骨架
   ------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: 1104px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 776px;
}

.site-main {
  display: block;
  min-height: 40vh;
}

.inner-main {
  padding-bottom: 8px;
}

.section {
  padding: 40px 0;
}

.section + .section {
  border-top: 1px solid #e6e1d6;
}

.section-lead {
  max-width: 728px;
  margin: 8px 0 24px;
  font-size: 14px;
  line-height: 1.75;
  color: #56656d;
}

/* 页头 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: #f7f5f0;
  border-bottom: 1px solid #d9d4c9;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  width: 100%;
  max-width: 1104px;
  height: 64px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-brand {
  flex: 0 0 auto;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.2;
  color: #1c2b33;
  white-space: nowrap;
}

.site-brand:hover {
  color: #b4531f;
}

.site-nav {
  flex: 1 1 auto;
  margin-left: auto;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 4px 22px;
}

.nav-item {
  display: block;
}

.nav-item a {
  display: inline-block;
  padding: 6px 0;
  font-size: 14px;
  line-height: 1.4;
  color: #56656d;
  border-bottom: 2px solid transparent;
}

.nav-item a:hover {
  color: #b4531f;
  border-bottom-color: #d9d4c9;
}

.nav-item.is-current a,
.nav-item a.is-current {
  color: #1c2b33;
  font-weight: 600;
  border-bottom-color: #1c2b33;
}

.nav-toggle {
  display: none;
  flex: 0 0 auto;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0 10px;
  background-color: #ffffff;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #1c2b33;
}

.nav-toggle[aria-expanded="true"] {
  border-color: #b4531f;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  max-width: 1104px;
  margin: 0 auto;
  padding: 18px 24px 0;
  font-size: 13px;
  line-height: 1.6;
  color: #56656d;
}

.breadcrumb a {
  color: #56656d;
}

.breadcrumb a:hover {
  color: #b4531f;
  text-decoration: underline;
}

.breadcrumb-sep {
  color: #b3aca0;
}

.breadcrumb-current {
  color: #1c2b33;
}

/* 页面标题区 */
.page-header {
  width: 100%;
  max-width: 1104px;
  margin: 0 auto;
  padding: 12px 24px 20px;
  border-bottom: 1px solid #d9d4c9;
}

.page-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.35;
  color: #1c2b33;
}

/* 页脚 */
.site-footer {
  margin-top: 48px;
  padding: 40px 0 24px;
  background-color: #efebe2;
  border-top: 1px solid #d9d4c9;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px 32px;
}

.footer-title {
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.5;
  color: #1c2b33;
}

.footer-links li {
  line-height: 2;
}

.footer-links a {
  font-size: 14px;
  color: #56656d;
}

.footer-links a:hover {
  color: #b4531f;
  text-decoration: underline;
}

.footer-note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: #56656d;
}

.footer-bottom {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid #d9d4c9;
}

.footer-brand {
  margin: 0 0 4px;
  font-size: 13px;
  font-weight: 600;
  color: #1c2b33;
}

.footer-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: #56656d;
}

/* ------------------------------------------------------------
   components · 通用组件
   ------------------------------------------------------------ */

/* 文本链接 */
.text-link {
  display: inline-block;
  font-size: 14px;
  line-height: 1.6;
  color: #b4531f;
  border-bottom: 1px solid #e2c3ae;
}

.text-link:hover {
  color: #8f3f14;
  border-bottom-color: #b4531f;
}

/* 按钮式链接 */
.button-link {
  display: inline-block;
  padding: 9px 18px;
  font-size: 14px;
  line-height: 1.5;
  color: #ffffff;
  background-color: #2f5d62;
  border-radius: 3px;
}

.button-link:hover {
  color: #ffffff;
  background-color: #244a4e;
}

/* 标签 */
.tag {
  display: inline-block;
  padding: 1px 8px;
  font-size: 12px;
  line-height: 1.7;
  color: #2f5d62;
  background-color: #eaf0ef;
  border-radius: 3px;
  white-space: nowrap;
}

/* 表格 */
.table-wrap,
.table-scroll {
  width: 100%;
  overflow-x: auto;
  background-color: #ffffff;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.data-table {
  width: 100%;
  min-width: 640px;
  font-size: 14px;
  line-height: 1.7;
  text-align: left;
}

.table-caption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: #56656d;
  text-align: left;
  border-bottom: 1px solid #d9d4c9;
}

.data-table thead th {
  padding: 11px 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #f7f5f0;
  background-color: #1c2b33;
  white-space: nowrap;
}

.data-table tbody td {
  padding: 12px 16px;
  vertical-align: top;
  color: #1c2b33;
  border-top: 1px solid #e6e1d6;
}

.data-table tbody tr:hover td {
  background-color: #faf7f0;
}

.data-table tbody th {
  padding: 12px 16px;
  font-weight: 600;
  text-align: left;
  vertical-align: top;
  border-top: 1px solid #e6e1d6;
}

.table-note,
.table-hint {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: #56656d;
}

/* 提示块 */
.note-block {
  margin-top: 16px;
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: #56656d;
  background-color: #fdf3e4;
  border-left: 3px solid #b4531f;
}

.note-block p {
  margin: 0;
}

.callout {
  margin: 20px 0 0;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.75;
  color: #1c2b33;
  background-color: #fdf3e4;
  border-left: 3px solid #b4531f;
}

.conclusion-block {
  margin-top: 24px;
  padding: 14px 18px;
  background-color: #fdf3e4;
  border-left: 3px solid #b4531f;
}

.conclusion-block p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #1c2b33;
}

.conclusion-note {
  margin-top: 6px !important;
  font-size: 13px !important;
  color: #56656d !important;
}

/* 编号步骤 */
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  color: #ffffff;
  background-color: #b4531f;
  border-radius: 3px;
}

/* 折叠问答 */
.faq-list {
  border-top: 1px solid #d9d4c9;
}

.faq-item {
  border-bottom: 1px solid #d9d4c9;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 4px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: #1c2b33;
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  flex: 0 0 auto;
  font-size: 18px;
  font-weight: 400;
  line-height: 1;
  color: #b4531f;
}

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

.faq-question:hover {
  color: #b4531f;
}

.faq-answer {
  padding: 0 4px 16px;
}

.faq-answer p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #56656d;
}

/* 路径带 */
.path-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.path-item {
  display: block;
  padding: 16px 18px;
  background-color: #ffffff;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.path-item:hover {
  border-color: #b4531f;
}

.path-item:hover .path-title,
.path-item:hover .path-name {
  color: #b4531f;
}

.path-title,
.path-name {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: #1c2b33;
}

.path-desc {
  display: block;
  font-size: 13px;
  line-height: 1.7;
  color: #56656d;
}

.path-arrow {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
  color: #b4531f;
}

.path-arrow::after {
  content: " →";
}

.path-card {
  display: block;
  padding: 16px 18px;
  background-color: #ffffff;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.path-card:hover {
  border-color: #b4531f;
}

.path-card:hover .path-title {
  color: #b4531f;
}

/* 两列布局：主内容在前，侧栏在后 */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 40px;
  align-items: start;
  width: 100%;
  max-width: 1104px;
  margin: 0 auto;
  padding: 0 24px;
}

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

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

/* ------------------------------------------------------------
   pages · 首页
   ------------------------------------------------------------ */
.home-main {
  padding-bottom: 8px;
}

/* 首屏 */
.hero {
  padding: 40px 0 36px;
  border-bottom: 1px solid #d9d4c9;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.hero-text {
  min-width: 0;
}

.hero-text h1 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.3;
  color: #1c2b33;
}

.hero-lead {
  max-width: 560px;
  margin: 14px 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: #56656d;
}

.anchor-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 0 20px;
  border-bottom: 1px solid #d9d4c9;
}

.anchor-link {
  display: inline-block;
  padding: 6px 12px;
  font-size: 13px;
  line-height: 1.5;
  color: #2f5d62;
  background-color: #ffffff;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.anchor-link:hover {
  color: #b4531f;
  border-color: #b4531f;
}

.overview-list {
  margin: 20px 0 0;
}

.overview-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid #e6e1d6;
}

.overview-row:last-child {
  border-bottom: 0;
}

.overview-row dt {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.7;
  color: #1c2b33;
}

.overview-row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #56656d;
}

.hero-media {
  min-width: 0;
  padding: 0;
}

.hero-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background-color: #e6e1d6;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.hero-media figcaption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: #56656d;
}

/* 区块标题 */
.section h2 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.45;
  color: #1c2b33;
}

/* 频道对照表首列 */
.cell-name {
  display: block;
  font-weight: 600;
  color: #1c2b33;
}

.cell-sub {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  line-height: 1.6;
  color: #56656d;
}

/* 时间线 */
.timeline-list {
  border-top: 1px solid #d9d4c9;
}

.timeline-item {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid #e6e1d6;
}

.timeline-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
}

.timeline-meta time {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
  color: #1c2b33;
}

.timeline-body {
  min-width: 0;
}

.timeline-body h3 {
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

.timeline-body p {
  max-width: 728px;
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: #56656d;
}

/* 专题摘要 */
.topic-item {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  padding: 24px 0;
  border-top: 1px solid #e6e1d6;
}

.topic-item:first-of-type {
  border-top: 0;
  padding-top: 4px;
}

.topic-item-reverse {
  grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
}

.topic-item-reverse .topic-media {
  order: 2;
}

.topic-item-reverse .topic-body {
  order: 1;
}

.topic-media {
  min-width: 0;
}

.topic-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background-color: #e6e1d6;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.topic-body {
  min-width: 0;
}

.topic-body h3 {
  margin-bottom: 8px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
}

.topic-body p {
  max-width: 640px;
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: #56656d;
}

/* 观看流程三步 */
.step-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.section-flow .step-item {
  padding: 18px;
  background-color: #ffffff;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.section-flow .step-item h3 {
  margin: 10px 0 6px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.section-flow .step-item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: #56656d;
}

.section-foot {
  margin: 18px 0 0;
}

/* 历史归档说明 */
.archive-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 22px;
  background-color: #ffffff;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.archive-points {
  flex: 1 1 520px;
  min-width: 0;
}

.archive-points li {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 14px;
  padding: 8px 0;
  border-bottom: 1px solid #e6e1d6;
}

.archive-points li:last-child {
  border-bottom: 0;
}

.point-name {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.7;
  color: #1c2b33;
}

.point-desc {
  font-size: 14px;
  line-height: 1.75;
  color: #56656d;
}

.archive-card .button-link {
  flex: 0 0 auto;
}

/* ------------------------------------------------------------
   pages · 内页通用区块
   ------------------------------------------------------------ */

/* 标题 + 摘要区（部分内页） */
.page-head,
.page-title-band {
  width: 100%;
  max-width: 1104px;
  margin: 0 auto;
  padding: 16px 24px 0;
}

.page-title-inner,
.page-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 32px;
  align-items: start;
}

.page-head-main,
.page-title-main {
  min-width: 0;
}

.page-summary {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: #56656d;
}

.page-scope {
  margin: 0;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: #56656d;
  border-left: 2px solid #d9d4c9;
}

/* 说明型图 */
.section-figure {
  margin: 0 0 20px;
}

.section-figure img {
  width: 100%;
  height: auto;
  max-height: 340px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: #e6e1d6;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.section-figure figcaption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: #56656d;
}

/* 侧栏卡片（最新动态） */
.plan-card {
  padding: 18px 20px;
  background-color: #ffffff;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.plan-card h2 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
}

.plan-intro {
  margin: 8px 0 14px;
  font-size: 13px;
  line-height: 1.7;
  color: #56656d;
}

.plan-list {
  border-top: 1px solid #e6e1d6;
}

.plan-item {
  padding: 12px 0;
  border-bottom: 1px solid #e6e1d6;
}

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

.plan-object {
  margin: 0 0 4px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
  color: #1c2b33;
}

.plan-detail {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: #56656d;
}

/* 计划不涉及的范围 */
.section-bounded .scope-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 24px;
}

.scope-item {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: #56656d;
}

.scope-item::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 0;
  width: 7px;
  height: 7px;
  background-color: #b4531f;
  border-radius: 50%;
}

/* 最新动态时间线配图 */
.timeline-figure {
  margin: 0 0 12px;
}

.timeline-figure img {
  width: 100%;
  height: auto;
  max-height: 300px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: #e6e1d6;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.timeline-figure figcaption {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: #56656d;
}

.timeline-heading {
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

.timeline-date {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
  color: #1c2b33;
}

/* ------------------------------------------------------------
   pages · 近期专题
   ------------------------------------------------------------ */
.topics-section {
  padding-top: 28px;
}

.topic-block {
  display: grid;
  grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  padding: 28px 0;
  border-top: 1px solid #e6e1d6;
}

.topic-block:first-of-type {
  border-top: 0;
  padding-top: 4px;
}

.topic-block-reverse {
  grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
}

.topic-block-reverse .topic-media {
  order: 2;
}

.topic-block-reverse .topic-body {
  order: 1;
}

.topic-block-compact {
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
}

.topic-block .topic-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background-color: #e6e1d6;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.topic-media-small img {
  aspect-ratio: 3 / 2;
}

.media-caption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: #56656d;
}

.topic-name {
  margin-bottom: 8px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
}

.topic-desc {
  max-width: 640px;
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: #56656d;
}

.topic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0;
}

.topic-list {
  padding-left: 0;
  counter-reset: topic-point;
}

.topic-list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: #1c2b33;
  counter-increment: topic-point;
}

.topic-list li::before {
  content: counter(topic-point);
  position: absolute;
  top: 1px;
  left: 0;
  width: 18px;
  height: 18px;
  font-size: 11px;
  font-weight: 600;
  line-height: 18px;
  color: #ffffff;
  text-align: center;
  background-color: #2f5d62;
  border-radius: 3px;
}

/* 专题关系 */
.relation-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.relation-card {
  padding: 18px 20px;
  background-color: #ffffff;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.relation-title {
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.relation-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #56656d;
}

/* 专题页路径带 */
.pathband {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.pathband-item {
  display: block;
  padding: 16px 18px;
  background-color: #ffffff;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.pathband-item:hover {
  border-color: #b4531f;
}

.pathband-item:hover .pathband-title {
  color: #b4531f;
}

.pathband-title {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: #1c2b33;
}

.pathband-desc {
  display: block;
  font-size: 13px;
  line-height: 1.7;
  color: #56656d;
}

.pathband-arrow {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
  color: #b4531f;
}

.pathband-arrow::after {
  content: " →";
}

/* ------------------------------------------------------------
   pages · 频道对照
   ------------------------------------------------------------ */
.channel-compare .compare-table {
  min-width: 720px;
}

.channel-name {
  display: block;
  font-weight: 600;
  color: #1c2b33;
}

.channel-sub {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  line-height: 1.6;
  color: #56656d;
}

.channel-visual-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.channel-figure {
  min-width: 0;
}

.channel-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background-color: #e6e1d6;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.channel-figure figcaption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: #56656d;
}

.channel-visual-text {
  min-width: 0;
}

.channel-visual-text p {
  font-size: 14px;
  line-height: 1.8;
  color: #56656d;
}

/* 三步判断 */
.channel-steps .step-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.channel-steps .step-item {
  padding: 18px;
  background-color: #ffffff;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.channel-steps .step-title {
  margin: 10px 0 6px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.channel-steps .step-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: #56656d;
}

/* 归类误区 */
.myth-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.myth-item {
  padding: 18px;
  background-color: #ffffff;
  border: 1px solid #d9d4c9;
  border-left: 3px solid #b4531f;
  border-radius: 3px;
}

.myth-title {
  margin-bottom: 6px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.myth-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: #56656d;
}

/* 专题中的分布说明 */
.channel-in-topics p {
  max-width: 728px;
  font-size: 14px;
  line-height: 1.8;
  color: #56656d;
}

/* 频道页路径列表 */
.channel-in-topics + .path-band,
#paths.path-band {
  padding: 0;
  border-top: 0;
}

#paths .path-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

#paths .path-item a {
  display: block;
  padding: 16px 18px;
  background-color: #ffffff;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

#paths .path-item a:hover {
  border-color: #b4531f;
}

#paths .path-item a:hover .path-title {
  color: #b4531f;
}

/* ------------------------------------------------------------
   pages · 历史归档
   ------------------------------------------------------------ */
.limit-list {
  border-top: 1px solid #e6e1d6;
}

.limit-item {
  position: relative;
  padding: 12px 0 12px 20px;
  font-size: 14px;
  line-height: 1.8;
  color: #56656d;
  border-bottom: 1px solid #e6e1d6;
}

.limit-item::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 2px;
  width: 7px;
  height: 7px;
  background-color: #2f5d62;
  border-radius: 50%;
}

.aside-title {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
}

.aside-text {
  margin: 8px 0 14px;
  font-size: 13px;
  line-height: 1.75;
  color: #56656d;
}

.aside-links {
  border-top: 1px solid #e6e1d6;
}

.aside-links li {
  border-bottom: 1px solid #e6e1d6;
}

.aside-links a {
  display: block;
  padding: 11px 0;
  font-size: 14px;
  line-height: 1.6;
  color: #2f5d62;
}

.aside-links a:hover {
  color: #b4531f;
}

/* 时间范围 */
.range-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.range-item {
  padding: 16px 18px;
  background-color: #ffffff;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.range-item h3 {
  margin-bottom: 6px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.range-item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: #56656d;
}

/* ------------------------------------------------------------
   pages · 观看指南
   ------------------------------------------------------------ */
.page-hero {
  border-bottom: 1px solid #d9d4c9;
}

.page-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 32px;
  align-items: start;
  padding-top: 16px;
  padding-bottom: 20px;
}

.page-hero-text {
  min-width: 0;
}

.section-title {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.45;
}

/* 四步准备 */
.section-steps .step-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.section-steps .step-card {
  padding: 20px;
  background-color: #ffffff;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.section-steps .step-title {
  margin: 10px 0 6px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

.section-steps .step-desc {
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: #56656d;
}

.section-steps .step-criteria {
  margin: 0;
  padding-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: #2f5d62;
  border-top: 1px solid #e6e1d6;
}

/* 检查要点 */
.checks-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
  gap: 32px;
  align-items: start;
}

.checks-table-wrap {
  min-width: 0;
}

.checks-table {
  min-width: 0;
}

.checks-table thead th {
  white-space: normal;
}

.checks-figure {
  min-width: 0;
}

.checks-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background-color: #e6e1d6;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.figure-caption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: #56656d;
}

/* 指南页 FAQ 居中阅读 */
.section-faq .container {
  max-width: 776px;
}

/* 指南页路径带 */
.section-paths .path-band {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* ------------------------------------------------------------
   pages · 核验反馈
   ------------------------------------------------------------ */
.page-title {
  margin: 0;
}

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

.verify-steps .step-card {
  padding: 18px;
  background-color: #ffffff;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.verify-steps .step-title {
  margin: 10px 0 6px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.verify-steps .step-text {
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: #56656d;
}

.verify-steps .step-rule {
  margin: 0;
  padding-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: #2f5d62;
  border-top: 1px solid #e6e1d6;
}

.step-figure {
  margin: 12px 0;
}

.step-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background-color: #e6e1d6;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.step-figure figcaption {
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.6;
  color: #56656d;
}

/* 自查清单 */
.check-list {
  border-top: 1px solid #e6e1d6;
}

.check-item {
  padding: 12px 0;
  border-bottom: 1px solid #e6e1d6;
}

.check-action {
  display: block;
  margin-bottom: 2px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.7;
  color: #1c2b33;
}

.check-hint {
  display: block;
  font-size: 13px;
  line-height: 1.7;
  color: #56656d;
}

/* 无脚本替代方式 */
.fallback-panel {
  padding: 18px 20px;
  background-color: #ffffff;
  border: 1px solid #d9d4c9;
  border-radius: 3px;
}

.fallback-panel h2 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
}

.fallback-list {
  counter-reset: fallback-step;
  margin: 12px 0 0;
  border-top: 1px solid #e6e1d6;
}

.fallback-item {
  position: relative;
  padding: 10px 0 10px 26px;
  font-size: 14px;
  line-height: 1.75;
  color: #56656d;
  border-bottom: 1px solid #e6e1d6;
  counter-increment: fallback-step;
}

.fallback-item::before {
  content: counter(fallback-step);
  position: absolute;
  top: 12px;
  left: 0;
  width: 18px;
  height: 18px;
  font-size: 11px;
  font-weight: 600;
  line-height: 18px;
  color: #ffffff;
  text-align: center;
  background-color: #2f5d62;
  border-radius: 3px;
}

.fallback-note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: #56656d;
}

.fallback-note a {
  color: #b4531f;
  border-bottom: 1px solid #e2c3ae;
}

/* 核验页路径 */
.path-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

/* ------------------------------------------------------------
   pages · 404
   ------------------------------------------------------------ */
.error-main {
  padding: 64px 0 48px;
}

.error-inner {
  max-width: 776px;
}

.error-code {
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #b4531f;
}

.error-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.35;
}

.error-summary {
  max-width: 560px;
  margin: 12px 0 22px;
  font-size: 15px;
  line-height: 1.8;
  color: #56656d;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  font-size: 14px;
  line-height: 1.5;
  border-radius: 3px;
}

.btn-primary {
  color: #ffffff;
  background-color: #2f5d62;
  border: 1px solid #2f5d62;
}

.btn-primary:hover {
  color: #ffffff;
  background-color: #244a4e;
  border-color: #244a4e;
}

.btn-ghost {
  color: #1c2b33;
  background-color: #ffffff;
  border: 1px solid #d9d4c9;
}

.btn-ghost:hover {
  color: #b4531f;
  border-color: #b4531f;
}

.error-hints {
  padding-top: 24px;
  border-top: 1px solid #d9d4c9;
}

.error-hint-list {
  margin-top: 12px;
}

.error-hint-list li {
  padding: 10px 0;
  border-bottom: 1px solid #e6e1d6;
}

.error-hint-list a {
  font-size: 14px;
  line-height: 1.7;
  color: #2f5d62;
}

.error-hint-list a:hover {
  color: #b4531f;
}

/* ------------------------------------------------------------
   responsive
   ------------------------------------------------------------ */
@media (max-width: 1024px) {
  .hero-grid {
    gap: 32px;
  }

  .hero-text h1 {
    font-size: 34px;
  }

  .page-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 32px;
  }

  .channel-visual-grid,
  .checks-layout {
    gap: 24px;
  }

  .step-grid,
  .channel-steps .step-list,
  .myth-list,
  .range-grid,
  .path-band,
  .path-grid,
  .pathband,
  #paths .path-list,
  .relation-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .container,
  .header-inner,
  .breadcrumb,
  .page-header,
  .page-layout,
  .page-head,
  .page-title-band {
    padding-left: 18px;
    padding-right: 18px;
  }

  /* 页头与移动导航 */
  .header-inner {
    height: 56px;
    gap: 12px;
  }

  .site-brand {
    font-size: 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-left: 0;
    padding: 0 18px;
    background-color: #f7f5f0;
    border-bottom: 1px solid #d9d4c9;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 6px 0 12px;
  }

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

  .nav-item a {
    display: block;
    padding: 11px 0;
    min-height: 44px;
    font-size: 15px;
    border-bottom: 1px solid #e6e1d6;
  }

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

  .nav-item.is-current a,
  .nav-item a.is-current {
    border-bottom-color: #e6e1d6;
  }

  /* 面包屑与标题 */
  .breadcrumb {
    padding-top: 14px;
    font-size: 12px;
  }

  .page-header {
    padding-top: 8px;
    padding-bottom: 16px;
  }

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

  .page-title-inner,
  .page-head,
  .page-hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .page-scope {
    padding-left: 12px;
  }

  /* 首屏 */
  .hero {
    padding: 24px 0 28px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .hero-text h1 {
    font-size: 27px;
    line-height: 1.35;
  }

  .hero-lead {
    margin: 10px 0 16px;
    font-size: 14px;
  }

  .anchor-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 10px 0 14px;
    -webkit-overflow-scrolling: touch;
  }

  .anchor-link {
    flex: 0 0 auto;
    min-height: 36px;
    padding: 8px 12px;
  }

  .overview-row {
    grid-template-columns: 80px minmax(0, 1fr);
    gap: 12px;
  }

  .hero-media {
    order: 0;
  }

  /* 区块 */
  .section {
    padding: 28px 0;
  }

  .section h2,
  .section-title {
    font-size: 18px;
  }

  .section-lead {
    margin-bottom: 18px;
    font-size: 13px;
  }

  /* 表格折叠为键值式 */
  .data-table,
  .compare-table,
  .checks-table {
    min-width: 0;
  }

  .data-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .data-table,
  .data-table tbody,
  .data-table tr,
  .data-table td,
  .data-table th {
    display: block;
    width: 100%;
  }

  .data-table tbody tr {
    padding: 10px 14px;
    border-top: 1px solid #d9d4c9;
  }

  .data-table tbody tr:first-child {
    border-top: 0;
  }

  .data-table tbody td,
  .data-table tbody th {
    padding: 4px 0;
    border-top: 0;
  }

  .data-table tbody td::before,
  .data-table tbody th::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 2px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.6;
    color: #56656d;
  }

  .table-caption {
    padding: 10px 14px;
  }

  /* 时间线 */
  .timeline-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    padding: 16px 0;
  }

  .timeline-meta {
    flex-direction: row;
    align-items: center;
    gap: 10px;
  }

  /* 专题 */
  .topic-item,
  .topic-item-reverse,
  .topic-block,
  .topic-block-reverse,
  .topic-block-compact {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    padding: 22px 0;
  }

  .topic-item-reverse .topic-media,
  .topic-block-reverse .topic-media {
    order: 0;
  }

  .topic-item-reverse .topic-body,
  .topic-block-reverse .topic-body {
    order: 0;
  }

  .topic-media img,
  .topic-block .topic-media img {
    aspect-ratio: 16 / 10;
  }

  /* 步骤与卡片 */
  .step-grid,
  .section-steps .step-grid,
  .channel-steps .step-list,
  .myth-list,
  .range-grid,
  .path-band,
  .path-grid,
  .pathband,
  #paths .path-list,
  .relation-grid,
  .verify-steps .step-grid,
  .section-bounded .scope-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .section-flow .step-item,
  .channel-steps .step-item,
  .myth-item,
  .section-steps .step-card,
  .verify-steps .step-card,
  .range-item,
  .relation-card {
    padding: 16px;
  }

  /* 归档卡 */
  .archive-card {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    padding: 16px;
  }

  .archive-points {
    flex: 1 1 auto;
  }

  .archive-points li {
    grid-template-columns: 80px minmax(0, 1fr);
    gap: 10px;
  }

  .archive-card .button-link {
    align-self: flex-start;
    min-height: 44px;
    padding: 11px 20px;
  }

  /* 两列布局转单列 */
  .page-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .channel-visual-grid,
  .checks-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .checks-figure {
    max-width: 480px;
  }

  /* 页脚 */
  .site-footer {
    margin-top: 32px;
    padding: 28px 0 20px;
  }

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

  .footer-links a {
    display: inline-block;
    padding: 6px 0;
    min-height: 32px;
  }

  .footer-bottom {
    margin-top: 20px;
  }

  /* 404 */
  .error-main {
    padding: 40px 0 32px;
  }

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

  .error-actions {
    margin-bottom: 28px;
  }

  .btn {
    min-height: 44px;
    padding: 11px 20px;
  }
}

@media (max-width: 480px) {
  .container,
  .header-inner,
  .breadcrumb,
  .page-header,
  .page-layout,
  .page-head,
  .page-title-band {
    padding-left: 14px;
    padding-right: 14px;
  }

  .site-nav {
    padding: 0 14px;
  }

  .hero-text h1 {
    font-size: 24px;
  }

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

  .overview-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .archive-points li {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .faq-question {
    font-size: 14px;
    padding: 13px 2px;
  }

  .path-item,
  .path-card,
  .pathband-item,
  #paths .path-item a {
    padding: 14px;
  }

  .topic-name {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}