/* ==========================================================================
   国产麻豆天美 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base
   -------------------------------------------------------------------------- */
:root {
  --paper: #F3ECDD;
  --ink: #173D34;
  --route: #1F6F8B;
  --gold: #C98A3B;
  --coral: #C65744;
  --line: #D8D0BF;
  --white: #FFFFFF;
  --ink-soft: #3F5A52;
  --ink-mute: #6B7A74;
  --radius: 4px;
  --radius-sm: 3px;
  --content: 1120px;
  --text-col: 760px;
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
}

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

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

body {
  margin: 0;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  font-weight: 400;
  text-rendering: optimizeLegibility;
}

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

figure {
  margin: 0;
}

p {
  margin: 0 0 1em;
}

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

a {
  color: var(--route);
  text-decoration: none;
  transition: color 0.16s ease;
}

a:hover,
a:focus-visible {
  color: var(--gold);
}

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

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

h2 {
  font-size: 24px;
}

h3 {
  font-size: 18px;
  font-weight: 600;
}

strong {
  font-weight: 600;
  color: var(--ink);
}

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

button {
  font-family: inherit;
  cursor: pointer;
}

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

/* --------------------------------------------------------------------------
   layout · 骨架
   -------------------------------------------------------------------------- */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

.header-inner {
  width: 100%;
  max-width: var(--content);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  flex: 0 0 auto;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand:hover,
.brand:focus-visible {
  color: var(--route);
}

.site-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-list > li {
  display: flex;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 2px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--line);
}

.nav-link.is-current {
  color: var(--ink);
  border-bottom-color: var(--gold);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background-color: transparent;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--ink);
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 60;
  padding: 10px 16px;
  background-color: var(--ink);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-size: 14px;
}

.skip-link:focus {
  top: 12px;
  color: var(--white);
}

.site-main {
  flex: 1 0 auto;
  width: 100%;
}

.inner-main {
  max-width: var(--content);
  margin: 0 auto;
  padding: 0 24px 72px;
}

.home-main {
  padding-bottom: 72px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 20px 0 0;
  font-size: 14px;
  color: var(--ink-mute);
}

.breadcrumb a {
  color: var(--ink-mute);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--route);
}

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

.breadcrumb-current {
  color: var(--ink);
  font-weight: 500;
}

.page-header {
  padding: 26px 0 30px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}

.page-kicker {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

.page-lead {
  margin: 14px 0 0;
  max-width: var(--text-col);
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.85;
}

.page-subtitle {
  margin: 14px 0 0;
  max-width: var(--text-col);
  font-size: 16px;
  color: var(--ink-soft);
}

.page-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin: 16px 0 0;
  font-size: 14px;
  color: var(--ink-mute);
}

.page-meta-note {
  color: var(--ink-mute);
}

/* 内页标题区（部分页面 H1 与副标题分属两个节点） */
.page-title + .page-title,
.page-header + .page-title {
  padding: 0;
  margin: 0 0 40px;
  border-bottom: 0;
}

.page-title > .page-kicker {
  margin-bottom: 10px;
}

.page-title > .page-lead {
  margin-top: 14px;
}

.site-footer {
  background-color: var(--ink);
  color: #DCE5E0;
  margin-top: 0;
}

.footer-inner {
  width: 100%;
  max-width: var(--content);
  margin: 0 auto;
  padding: 52px 24px 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
}

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

.footer-brand-name {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.footer-brand-desc {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: #C4D2CB;
}

.footer-principle {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #9FB3AA;
  padding-left: 12px;
  border-left: 2px solid var(--gold);
}

.footer-heading {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.footer-nav ul,
.footer-meta ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-nav a,
.footer-meta a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: 14px;
  color: #C4D2CB;
}

.footer-nav a:hover,
.footer-nav a:focus-visible,
.footer-meta a:hover,
.footer-meta a:focus-visible {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-record {
  margin: 16px 0 0;
  font-size: 13px;
  color: #9FB3AA;
}

.footer-status {
  margin: 8px 0 0;
  font-size: 13px;
  color: #9FB3AA;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-top {
  margin: 14px 0 0;
}

.footer-top a {
  font-size: 14px;
  color: var(--gold);
}

.footer-top a:hover,
.footer-top a:focus-visible {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(216, 208, 191, 0.22);
}

.footer-bottom p {
  width: 100%;
  max-width: var(--content);
  margin: 0 auto;
  padding: 18px 24px;
  font-size: 13px;
  color: #9FB3AA;
}

/* --------------------------------------------------------------------------
   components · 通用组件
   -------------------------------------------------------------------------- */
.section-head {
  margin-bottom: 26px;
}

.section-head h2,
.section-heading {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
}

.section-desc,
.section-intro,
.section-lead {
  margin: 10px 0 0;
  max-width: var(--text-col);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.section-intro,
.section-lead {
  margin-bottom: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.btn-primary {
  background-color: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--route);
  border-color: var(--route);
  color: var(--white);
}

.btn-ghost {
  background-color: transparent;
  color: var(--ink);
  border-color: var(--route);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background-color: var(--white);
  color: var(--route);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 500;
  color: var(--route);
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.text-link::after {
  content: "→";
  font-size: 14px;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.6;
  border-radius: 2px;
  border: 1px solid var(--line);
  background-color: var(--white);
  color: var(--ink-soft);
  white-space: nowrap;
}

.status::before {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
}

.status-ready {
  color: #2E6B4F;
  border-color: #A9C9B6;
  background-color: #EDF5EF;
}

.status-pending {
  color: #9A6A1E;
  border-color: #E2C793;
  background-color: #FBF3E2;
}

.status-archived {
  color: var(--ink-mute);
  border-color: var(--line);
  background-color: #EFE9DC;
}

.status-planned,
.status-plan {
  color: var(--route);
  border-color: #A8CBD8;
  background-color: #EBF3F6;
}

.channel-tag {
  display: inline-block;
  padding: 2px 9px;
  font-size: 12px;
  font-weight: 500;
  color: var(--route);
  border: 1px solid #A8CBD8;
  border-radius: 2px;
  background-color: #EBF3F6;
  white-space: nowrap;
}

.notice,
.note-bar,
.plan-note-caveat,
.process-note {
  border-left: 3px solid var(--coral);
  background-color: #FBEDE9;
  padding: 14px 18px;
  font-size: 14px;
  line-height: 1.8;
  color: #7A3226;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.note-bar {
  margin: 20px 0 0;
}

/* 数据表 */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--white);
}

.data-table,
.field-table,
.stage-table {
  width: 100%;
  font-size: 14px;
  line-height: 1.7;
  background-color: var(--white);
}

.data-table caption,
.field-table caption,
.stage-table caption {
  padding: 12px 16px;
  text-align: left;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-mute);
  border-bottom: 1px solid var(--line);
}

.data-table thead th,
.field-table thead th,
.stage-table thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  background-color: #EFE9DC;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.data-table tbody th,
.field-table tbody th,
.stage-table tbody th {
  width: 140px;
  min-width: 120px;
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--ink);
  background-color: #F7F2E7;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  vertical-align: top;
}

.data-table tbody td,
.field-table tbody td,
.stage-table tbody td {
  padding: 12px 16px;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

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

/* 相关任务带 */
.task-band {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.task-band-title,
.task-band-heading {
  margin-bottom: 22px;
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
}

.task-grid,
.task-cols,
.task-band-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.task-col,
.task-item {
  min-width: 0;
  padding: 20px 22px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.task-col h3,
.task-item h3,
.task-col-title,
.task-title,
.task-heading {
  margin-bottom: 8px;
  font-size: 17px;
  font-weight: 600;
}

.task-col h3 a,
.task-item h3 a {
  color: var(--ink);
}

.task-col h3 a:hover,
.task-item h3 a:hover,
.task-col h3 a:focus-visible,
.task-item h3 a:focus-visible {
  color: var(--route);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.task-col p,
.task-item p,
.task-desc,
.task-col-desc {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.task-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--route);
}

.task-link::after {
  content: "→";
}

.task-link:hover,
.task-link:focus-visible {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 相关内容带 */
.related-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 32px;
  padding: 16px 20px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.related-links-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-mute);
  letter-spacing: 0.04em;
}

.related-links-item {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: 14px;
  color: var(--route);
  border-bottom: 1px solid var(--line);
}

.related-links-item:hover,
.related-links-item:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* 图片容器 */
.hero-media img,
.featured-media img,
.featured-figure img,
.timeline-figure img,
.change-figure img,
.route-figure img,
.field-figure img,
.field-guide-figure img,
.plan-figure img,
.checklist-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  background-color: #E7DFCF;
}

figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-mute);
}

/* --------------------------------------------------------------------------
   pages · 首页
   -------------------------------------------------------------------------- */
.hero {
  padding: 48px 0 56px;
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  width: 100%;
  max-width: var(--content);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 48px;
  align-items: start;
}

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

.hero-kicker {
  margin: 0 0 16px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--gold);
  text-transform: uppercase;
}

.hero-text h1 {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.12;
  color: var(--ink);
}

.hero-lead {
  margin: 22px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin: 34px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

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

.hero-fact dt {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-mute);
  letter-spacing: 0.04em;
}

.hero-fact dd {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

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

.hero-media img {
  aspect-ratio: 3 / 4;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

/* 路线索引 */
.route-index {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.route-index .section-head,
.route-list {
  width: 100%;
  max-width: var(--content);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.route-list {
  border-top: 1px solid var(--line);
}

.route-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 120px 44px;
  align-items: start;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.16s ease;
}

.route-item:hover {
  border-bottom-color: var(--gold);
}

.route-no {
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.4;
}

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

.route-title {
  font-size: 18px;
  font-weight: 600;
}

.route-title a {
  color: var(--ink);
}

.route-title a:hover,
.route-title a:focus-visible {
  color: var(--route);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.route-desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.route-update {
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--ink-mute);
  padding-top: 3px;
}

.route-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--route);
  font-size: 16px;
  background-color: var(--white);
  transition: border-color 0.16s ease, color 0.16s ease;
}

.route-arrow::before {
  content: "→";
}

.route-arrow:hover,
.route-arrow:focus-visible {
  border-color: var(--gold);
  color: var(--gold);
}

/* 本期专题 */
.featured-topic {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.featured-topic .section-head,
.featured-media,
.featured-detail,
.featured-more {
  width: 100%;
  max-width: var(--content);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.featured-media img {
  aspect-ratio: 16 / 9;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

.featured-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  margin-top: 28px;
}

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

.featured-name {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}

.featured-text p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.featured-fields {
  min-width: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}

.field-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.field-row dt {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-mute);
}

.field-row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.featured-more {
  margin-top: 22px;
}

/* 并排比较 */
.compare {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.compare .section-head,
.compare-grid,
.compare > .notice {
  width: 100%;
  max-width: var(--content);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

.compare-col {
  min-width: 0;
  padding: 26px 28px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.compare-heading {
  margin-bottom: 16px;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

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

.compare-list > li {
  min-width: 0;
}

.compare-list strong {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
  color: var(--ink);
  font-weight: 600;
}

.compare-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.compare-link,
.compare-entry {
  margin: 18px 0 0;
}

/* 时间线三段 */
.timeline {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.timeline .section-head,
.timeline-track {
  width: 100%;
  max-width: var(--content);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.timeline-track {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.timeline-node {
  min-width: 0;
  padding-top: 18px;
  border-top: 2px solid var(--line);
  position: relative;
}

.timeline-node::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--gold);
}

.timeline-stage {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.timeline-heading {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.timeline-heading a {
  color: var(--ink);
}

.timeline-heading a:hover,
.timeline-heading a:focus-visible {
  color: var(--route);
}

.timeline-node p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

/* 首页相关任务带外框 */
.home-main .task-band {
  max-width: var(--content);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  border-top: 0;
  padding-top: 0;
}

/* --------------------------------------------------------------------------
   pages · 最新动态
   -------------------------------------------------------------------------- */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, var(--text-col)) minmax(0, 280px);
  gap: 48px;
  align-items: start;
}

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

.timeline-list {
  margin-bottom: 48px;
}

.timeline-list h2 {
  font-size: 24px;
  margin-bottom: 10px;
}

.timeline-figure {
  margin: 22px 0 28px;
}

.timeline-figure img {
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
}

.timeline-rows {
  border-top: 1px solid var(--line);
}

.timeline-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) auto 32px;
  align-items: start;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.16s ease;
}

.timeline-row:hover {
  border-bottom-color: var(--gold);
}

.timeline-date {
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--ink-mute);
  line-height: 1.9;
}

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

.timeline-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.6;
  margin: 0 0 4px;
}

.timeline-summary {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.timeline-entry {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--route);
  font-size: 15px;
  background-color: var(--white);
}

.timeline-entry::before {
  content: "→";
}

.timeline-entry:hover,
.timeline-entry:focus-visible {
  border-color: var(--gold);
  color: var(--gold);
}

.change-summary h2 {
  font-size: 22px;
  margin-bottom: 10px;
}

.change-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-top: 22px;
}

.change-col {
  min-width: 0;
  padding: 22px 24px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.change-col-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

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

.change-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.change-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--gold);
}

.change-figure {
  margin-top: 4px;
}

.change-figure img {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
}

/* 侧栏 */
.side-status {
  min-width: 0;
  padding: 24px 22px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  align-self: start;
}

.side-status > h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.side-group {
  margin-bottom: 22px;
}

.side-group:last-child {
  margin-bottom: 0;
}

.side-group-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}

.status-legend {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.status-legend li {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.side-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.side-links li a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: 14px;
  color: var(--route);
}

.side-links li a:hover,
.side-links li a:focus-visible {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --------------------------------------------------------------------------
   pages · 近期专题
   -------------------------------------------------------------------------- */
.page-topics .page-header {
  margin-bottom: 0;
}

.page-topics .page-title {
  padding-bottom: 0;
}

.page-topics .page-title .page-subtitle {
  margin-top: 12px;
}

.topic-index,
.featured-topic,
.field-table {
  padding-top: 44px;
}

.topic-index > h2,
.topic-index > .section-lead,
.topic-list {
  max-width: 100%;
}

.topic-index h2 {
  font-size: 24px;
  margin-bottom: 10px;
}

.topic-list {
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.topic-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 96px 88px 96px 32px;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.16s ease;
}

.topic-row:hover {
  border-bottom-color: var(--gold);
}

.topic-no {
  font-variant-numeric: tabular-nums;
  font-size: 18px;
  font-weight: 700;
  color: var(--gold);
}

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

.topic-name {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 4px;
}

.topic-name a {
  color: var(--ink);
}

.topic-name a:hover,
.topic-name a:focus-visible {
  color: var(--route);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.topic-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.topic-updated {
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--ink-mute);
}

.topic-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--route);
  font-size: 15px;
  background-color: var(--white);
}

.topic-arrow::before {
  content: "→";
}

.topic-arrow:hover,
.topic-arrow:focus-visible {
  border-color: var(--gold);
  color: var(--gold);
}

.page-topics .featured-topic {
  border-top: 1px solid var(--line);
  margin-top: 44px;
  padding-left: 0;
  padding-right: 0;
}

.page-topics .featured-topic h2 {
  font-size: 24px;
  margin-bottom: 10px;
}

.featured-figure {
  margin: 22px 0 28px;
}

.featured-figure img {
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
}

.featured-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
}

.featured-summary,
.featured-points {
  min-width: 0;
}

.featured-summary h3,
.featured-points h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.featured-summary p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

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

.point-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.point-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--gold);
}

.page-topics .field-table {
  border-top: 1px solid var(--line);
  margin-top: 44px;
}

.page-topics .field-table h2 {
  font-size: 24px;
  margin-bottom: 10px;
}

.page-topics .field-table .data-table {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

/* --------------------------------------------------------------------------
   pages · 历史归档
   -------------------------------------------------------------------------- */
.page-archive .page-title {
  padding-bottom: 0;
}

.field-guide,
.archive-list,
.compare {
  margin-bottom: 48px;
}

.field-guide .section-heading,
.archive-list .section-heading,
.compare .section-heading {
  font-size: 24px;
  margin-bottom: 10px;
}

.field-guide-figure {
  margin: 22px 0 26px;
}

.field-guide-figure img {
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
}

.field-guide .data-table {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.record-list {
  margin-top: 22px;
  border-top: 1px solid var(--line);
}

.record-row {
  display: grid;
  grid-template-columns: 128px 96px minmax(0, 1fr) 88px 88px 32px;
  align-items: center;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.16s ease;
}

.record-row:hover {
  border-bottom-color: var(--gold);
}

.record-range {
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--ink-mute);
}

.record-code {
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  font-weight: 600;
  color: var(--gold);
}

.record-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  min-width: 0;
}

.record-channel {
  font-size: 13px;
  color: var(--route);
}

.record-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--route);
  font-size: 15px;
  background-color: var(--white);
}

.record-link::before {
  content: "→";
}

.record-link:hover,
.record-link:focus-visible {
  border-color: var(--gold);
  color: var(--gold);
}

.page-archive .compare-grid {
  margin-top: 22px;
}

.compare-item {
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
}

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

.compare-scope {
  margin: 0 0 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.compare-status {
  margin: 0 0 4px;
  font-size: 13px;
  color: var(--ink-mute);
}

.compare-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.compare-entry a {
  font-size: 14px;
  font-weight: 500;
  color: var(--route);
  border-bottom: 1px solid transparent;
}

.compare-entry a:hover,
.compare-entry a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-archive .notice {
  margin-top: 22px;
}

/* --------------------------------------------------------------------------
   pages · 观看指南
   -------------------------------------------------------------------------- */
.page-guide .page-header {
  padding-bottom: 22px;
  border-bottom: 0;
  margin-bottom: 0;
}

.page-guide .page-header + .page-title {
  padding: 0 0 30px;
  margin: 0 0 40px;
  border-bottom: 1px solid var(--line);
}

.page-guide .page-title .page-kicker {
  margin-bottom: 8px;
}

.page-guide .page-meta {
  margin-top: 16px;
}

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

.route-figure {
  margin: 0 0 30px;
}

.route-figure img {
  aspect-ratio: 21 / 9;
  border: 1px solid var(--line);
}

.step-list {
  border-top: 1px solid var(--line);
}

.step-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.step-no {
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.4;
}

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

.step-body h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}

.step-body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.check-list {
  border-top: 1px solid var(--line);
}

.check-item {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.check-field {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  padding-top: 1px;
}

.check-standard {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.check-tip {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-mute);
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
  padding: 14px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-size: 20px;
  font-weight: 400;
  color: var(--gold);
  line-height: 1;
}

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

.faq-item summary:hover {
  color: var(--route);
}

.faq-item p {
  margin: 0 0 18px;
  padding-right: 40px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages · 入口核验
   -------------------------------------------------------------------------- */
.page-verify .page-header {
  padding-bottom: 22px;
  border-bottom: 0;
  margin-bottom: 0;
}

.page-verify .page-header + .page-title {
  padding: 0 0 30px;
  margin: 0 0 40px;
  border-bottom: 1px solid var(--line);
}

.verification-fields,
.status-legend,
.verification-flow {
  margin-bottom: 48px;
}

.verification-fields h2,
.status-legend h2,
.verification-flow h2 {
  font-size: 24px;
  margin-bottom: 10px;
}

.field-figure {
  margin: 22px 0 26px;
}

.field-figure img {
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
}

.field-table {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.status-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 22px;
}

.status-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  min-width: 0;
  padding: 18px 20px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.status-item .status {
  flex: 0 0 auto;
  margin-top: 2px;
}

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

.status-body h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.status-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.flow-list {
  margin-top: 22px;
  border-top: 1px solid var(--line);
}

.flow-step {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.flow-num {
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.4;
}

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

.flow-body h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.flow-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages · 未来计划
   -------------------------------------------------------------------------- */
.page-roadmap .page-header {
  padding-bottom: 22px;
  border-bottom: 0;
  margin-bottom: 0;
}

.page-roadmap .page-header + .page-title {
  padding: 0 0 30px;
  margin: 0 0 40px;
  border-bottom: 1px solid var(--line);
}

.plan-note,
.plan-list,
.plan-stages,
.plan-boundary {
  margin-bottom: 48px;
}

.plan-note {
  padding: 24px 26px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--route);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.plan-note h2 {
  font-size: 20px;
  margin-bottom: 10px;
}

.plan-note p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.plan-note-caveat {
  margin: 0;
  border-left: 3px solid var(--coral);
  background-color: #FBEDE9;
  padding: 12px 16px;
  font-size: 14px;
  color: #7A3226;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.plan-list h2,
.plan-stages h2,
.plan-boundary h2 {
  font-size: 24px;
  margin-bottom: 10px;
}

.plan-figure {
  margin: 22px 0 26px;
}

.plan-figure img {
  aspect-ratio: 21 / 9;
  border: 1px solid var(--line);
}

.plan-rows {
  border-top: 1px solid var(--line);
}

.plan-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 88px;
  align-items: start;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.plan-num {
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.4;
}

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

.plan-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.plan-desc {
  margin: 0 0 6px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.plan-eval {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-mute);
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

.plan-row .status {
  justify-self: end;
  margin-top: 2px;
}

.stage-table {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.stage-table tbody th {
  width: 160px;
}

.stage-table tbody th .status {
  margin: 0;
}

.plan-boundary {
  padding: 24px 26px;
  background-color: #FBEDE9;
  border: 1px solid #EBC7BE;
  border-left: 3px solid var(--coral);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.plan-boundary h2 {
  font-size: 20px;
  margin-bottom: 14px;
  color: #7A3226;
}

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

.boundary-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.8;
  color: #7A3226;
}

.boundary-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--coral);
}

/* --------------------------------------------------------------------------
   pages · 反馈说明
   -------------------------------------------------------------------------- */
.page-feedback .page-header {
  padding-bottom: 22px;
  border-bottom: 0;
  margin-bottom: 0;
}

.page-feedback .page-header + .page-title {
  padding: 0 0 30px;
  margin: 0 0 40px;
  border-bottom: 1px solid var(--line);
}

.feedback-scope,
.checklist,
.process {
  margin-bottom: 48px;
}

.scope-list {
  margin-top: 22px;
  border-top: 1px solid var(--line);
}

.scope-item {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.scope-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
}

.scope-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.scope-boundary {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-mute);
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

.checklist-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-top: 22px;
}

.checklist-col {
  min-width: 0;
  padding: 22px 24px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.checklist-col-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.checklist-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.checklist-item {
  min-width: 0;
}

.checklist-field {
  margin: 0 0 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.checklist-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

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

.checklist-figure img {
  aspect-ratio: 21 / 9;
  border: 1px solid var(--line);
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin-top: 22px;
}

.process-step {
  min-width: 0;
  padding: 22px 22px 24px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-top: 2px solid var(--gold);
  border-radius: 0 0 var(--radius) var(--radius);
}

.process-num {
  display: block;
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.4;
  margin-bottom: 10px;
}

.process-step-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.process-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
  min-width: 0;
  word-break: normal;
  overflow-wrap: break-word;
}

.process-note {
  margin-top: 24px;
}

/* --------------------------------------------------------------------------
   pages · 404
   -------------------------------------------------------------------------- */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 64px 24px 88px;
}

.error-panel {
  width: 100%;
  max-width: 640px;
  padding: 40px 36px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  border-radius: 0 0 var(--radius) var(--radius);
  text-align: left;
}

.error-code {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.error-panel h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 14px;
}

.error-desc {
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.error-hints {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 26px;
  padding: 16px 18px;
  background-color: #F7F2E7;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.error-hints li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.error-hints li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--gold);
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* --------------------------------------------------------------------------
   responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1100px) {
  .header-inner,
  .inner-main,
  .footer-inner,
  .hero-inner,
  .route-index .section-head,
  .route-list,
  .featured-topic .section-head,
  .featured-media,
  .featured-detail,
  .featured-more,
  .compare .section-head,
  .compare-grid,
  .compare > .notice,
  .timeline .section-head,
  .timeline-track,
  .home-main .task-band {
    padding-left: 20px;
    padding-right: 20px;
  }

  .nav-list {
    gap: 16px;
  }

  .nav-link {
    font-size: 14px;
  }

  .hero-inner {
    gap: 36px;
  }

  .page-layout {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 36px;
  }

  .topic-row {
    grid-template-columns: 48px minmax(0, 1fr) 88px 84px 90px 32px;
    gap: 12px;
  }

  .record-row {
    grid-template-columns: 116px 84px minmax(0, 1fr) 76px 84px 32px;
    gap: 12px;
  }

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

@media (max-width: 900px) {
  .header-inner {
    height: 60px;
    gap: 12px;
  }

  .brand {
    font-size: 18px;
  }

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

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: block;
    background-color: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 8px 20px 16px;
    flex: none;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }

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

  .nav-list > li {
    display: block;
    border-bottom: 1px solid var(--line);
  }

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

  .nav-link {
    display: flex;
    width: 100%;
    min-height: 48px;
    padding: 0 2px;
    font-size: 15px;
    border-bottom: 2px solid transparent;
  }

  .nav-link.is-current {
    border-bottom-color: transparent;
    color: var(--gold);
  }

  .hero {
    padding: 36px 0 44px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .hero-text h1 {
    font-size: clamp(34px, 7vw, 48px);
  }

  .hero-media img {
    aspect-ratio: 16 / 9;
  }

  .hero-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .route-index,
  .featured-topic,
  .compare,
  .timeline {
    padding: 44px 0;
  }

  .route-item {
    grid-template-columns: 44px minmax(0, 1fr) 44px;
    gap: 14px;
  }

  .route-update {
    grid-column: 2;
    grid-row: 2;
    padding-top: 0;
  }

  .route-arrow {
    grid-column: 3;
    grid-row: 1 / span 2;
    align-self: center;
  }

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

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

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

  .timeline-node {
    padding-top: 14px;
  }

  .page-title {
    font-size: 30px;
  }

  .page-header {
    padding: 20px 0 24px;
    margin-bottom: 32px;
  }

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

  .side-status {
    padding: 22px 20px;
  }

  .timeline-row {
    grid-template-columns: 84px minmax(0, 1fr) 32px;
    gap: 12px;
  }

  .timeline-row .status {
    grid-column: 2;
    grid-row: 2;
    justify-self: start;
  }

  .timeline-entry {
    grid-column: 3;
    grid-row: 1 / span 2;
    align-self: center;
  }

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

  .topic-row {
    grid-template-columns: 44px minmax(0, 1fr) 32px;
    gap: 12px;
    align-items: start;
  }

  .topic-row .channel-tag {
    grid-column: 2;
    grid-row: 2;
    justify-self: start;
    margin-top: 6px;
  }

  .topic-row .status {
    grid-column: 2;
    grid-row: 3;
    justify-self: start;
    margin-top: 4px;
  }

  .topic-updated {
    grid-column: 2;
    grid-row: 4;
    margin-top: 4px;
  }

  .topic-arrow {
    grid-column: 3;
    grid-row: 1 / span 4;
    align-self: center;
  }

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

  .record-row {
    grid-template-columns: 108px minmax(0, 1fr) 32px;
    gap: 10px;
    align-items: start;
  }

  .record-code {
    grid-column: 1;
    grid-row: 2;
  }

  .record-title {
    grid-column: 2;
    grid-row: 1;
  }

  .record-channel {
    grid-column: 2;
    grid-row: 2;
  }

  .record-row .status {
    grid-column: 2;
    grid-row: 3;
    justify-self: start;
  }

  .record-link {
    grid-column: 3;
    grid-row: 1 / span 3;
    align-self: center;
  }

  .check-item {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 8px 20px;
  }

  .check-field {
    grid-column: 1 / -1;
  }

  .check-tip {
    padding-top: 6px;
  }

  .status-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .scope-item {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 8px 20px;
  }

  .scope-boundary {
    grid-column: 2;
    padding-left: 12px;
  }

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

  .process-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .task-grid,
  .task-cols,
  .task-band-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
    padding-top: 40px;
  }

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

@media (max-width: 680px) {
  body {
    font-size: 15px;
  }

  .inner-main,
  .home-main {
    padding-bottom: 56px;
  }

  .header-inner,
  .inner-main,
  .footer-inner,
  .hero-inner,
  .route-index .section-head,
  .route-list,
  .featured-topic .section-head,
  .featured-media,
  .featured-detail,
  .featured-more,
  .compare .section-head,
  .compare-grid,
  .compare > .notice,
  .timeline .section-head,
  .timeline-track,
  .home-main .task-band {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .page-kicker {
    font-size: 12px;
  }

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

  h2,
  .section-head h2,
  .section-heading,
  .topic-index h2,
  .page-topics .featured-topic h2,
  .page-topics .field-table h2,
  .field-guide .section-heading,
  .archive-list .section-heading,
  .compare .section-heading,
  .verification-fields h2,
  .status-legend h2,
  .verification-flow h2,
  .plan-list h2,
  .plan-stages h2,
  .plan-boundary h2,
  .timeline-list h2,
  .change-summary h2 {
    font-size: 21px;
  }

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

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

  .hero-actions .btn {
    flex: 1 1 auto;
  }

  .hero-facts {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .route-index,
  .featured-topic,
  .compare,
  .timeline {
    padding: 36px 0;
  }

  .route-no {
    font-size: 18px;
  }

  .route-title {
    font-size: 16px;
  }

  .featured-name {
    font-size: 20px;
  }

  .field-row {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 12px;
  }

  .compare-col,
  .change-col,
  .checklist-col,
  .plan-note,
  .plan-boundary,
  .side-status {
    padding: 18px 18px;
  }

  .timeline-row {
    grid-template-columns: 76px minmax(0, 1fr) 32px;
    gap: 10px;
    padding: 16px 0;
  }

  .timeline-date {
    font-size: 12px;
  }

  .timeline-title {
    font-size: 15px;
  }

  .topic-row {
    grid-template-columns: 40px minmax(0, 1fr) 32px;
    gap: 10px;
    padding: 16px 0;
  }

  .topic-no {
    font-size: 16px;
  }

  .topic-name {
    font-size: 15px;
  }

  .record-row {
    grid-template-columns: 96px minmax(0, 1fr) 32px;
    padding: 14px 0;
  }

  .record-range {
    font-size: 12px;
  }

  .record-title {
    font-size: 14px;
  }

  .step-item,
  .flow-step {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 14px;
    padding: 18px 0;
  }

  .step-no,
  .flow-num {
    font-size: 18px;
  }

  .step-body h3,
  .flow-body h3 {
    font-size: 16px;
  }

  .check-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    padding: 16px 0;
  }

  .check-field {
    grid-column: auto;
  }

  .check-tip {
    padding-left: 12px;
    padding-top: 0;
    border-left: 2px solid var(--line);
  }

  .faq-item summary {
    font-size: 15px;
    min-height: 48px;
  }

  .faq-item p {
    padding-right: 0;
    font-size: 14px;
  }

  .plan-row {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px;
    padding: 18px 0;
  }

  .plan-num {
    font-size: 18px;
  }

  .plan-row .status {
    grid-column: 2;
    justify-self: start;
    margin-top: 6px;
  }

  .scope-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    padding: 16px 0;
  }

  .scope-boundary {
    grid-column: auto;
    padding-left: 12px;
  }

  .process-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .process-step {
    padding: 18px 18px 20px;
  }

  .task-grid,
  .task-cols,
  .task-band-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .task-col,
  .task-item {
    padding: 18px 18px;
  }

  .related-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 16px 18px;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding-top: 36px;
    padding-bottom: 28px;
  }

  .footer-bottom p {
    padding: 16px;
  }

  .error-main {
    padding: 40px 16px 64px;
  }

  .error-panel {
    padding: 28px 22px;
  }

  .error-panel h1 {
    font-size: 26px;
  }

  .error-actions .btn {
    flex: 1 1 auto;
  }

  .data-table,
  .field-table,
  .stage-table {
    font-size: 13px;
  }

  .data-table thead th,
  .field-table thead th,
  .stage-table thead th,
  .data-table tbody th,
  .field-table tbody th,
  .stage-table tbody th,
  .data-table tbody td,
  .field-table tbody td,
  .stage-table tbody td {
    padding: 10px 12px;
  }

  .data-table tbody th,
  .field-table tbody th,
  .stage-table tbody th {
    width: 108px;
    min-width: 96px;
  }
}

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

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

  .hero-text h1 {
    font-size: 30px;
  }

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

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

  .route-item {
    grid-template-columns: 36px minmax(0, 1fr) 44px;
    gap: 10px;
  }

  .route-no {
    font-size: 16px;
  }

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

  .field-row dt {
    font-size: 13px;
  }

  .timeline-row {
    grid-template-columns: minmax(0, 1fr) 32px;
    gap: 6px 10px;
  }

  .timeline-date {
    grid-column: 1;
    grid-row: 1;
  }

  .timeline-body {
    grid-column: 1;
    grid-row: 2;
  }

  .timeline-row .status {
    grid-column: 1;
    grid-row: 3;
  }

  .timeline-entry {
    grid-column: 2;
    grid-row: 1 / span 3;
  }

  .topic-row {
    grid-template-columns: 32px minmax(0, 1fr) 32px;
  }

  .record-row {
    grid-template-columns: minmax(0, 1fr) 32px;
    gap: 6px 10px;
  }

  .record-range {
    grid-column: 1;
    grid-row: 1;
  }

  .record-code {
    grid-column: 1;
    grid-row: 2;
  }

  .record-title {
    grid-column: 1;
    grid-row: 3;
  }

  .record-channel {
    grid-column: 1;
    grid-row: 4;
  }

  .record-row .status {
    grid-column: 1;
    grid-row: 5;
  }

  .record-link {
    grid-column: 2;
    grid-row: 1 / span 5;
  }

  .step-item,
  .flow-step {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .plan-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .plan-row .status {
    grid-column: 1;
  }
}

/* 打印 */
@media print {
  .site-header,
  .site-footer,
  .task-band,
  .related-links,
  .breadcrumb,
  .nav-toggle {
    display: none;
  }

  body {
    background-color: #FFFFFF;
    color: #000000;
  }

  .site-main,
  .inner-main {
    max-width: none;
    padding: 0;
  }

  a {
    color: #000000;
    text-decoration: underline;
  }
}