/* ==========================================================================
   西瓜视频 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. base —— 变量、重置、字体、通用元素
   -------------------------------------------------------------------------- */
:root {
  --c-ink: #0f141b;
  --c-ink-2: #182231;
  --c-bg: #f4f6f9;
  --c-white: #ffffff;
  --c-red: #e64b3c;
  --c-red-dark: #c93a2c;
  --c-green: #2fa36b;
  --c-amber: #f0a020;
  --c-text: #1a1f26;
  --c-text-soft: #6b7684;
  --c-line: #d8dee7;
  --c-line-dark: #2a3646;

  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --wrap: 1180px;
  --pad-x: 24px;
  --header-h: 68px;
  --radius: 6px;
  --radius-sm: 4px;
  --trans: 0.18s ease;
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  font-weight: 400;
  color: var(--c-text);
  background: var(--c-bg);
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 700;
  line-height: 1.35;
  color: var(--c-text);
}

p {
  margin: 0;
}

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

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

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

figure {
  margin: 0;
}

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

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

code {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

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

.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;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--c-red);
  color: #fff;
  border-radius: var(--radius-sm);
  transition: top var(--trans);
}

.skip-link:focus {
  top: 12px;
}

/* --------------------------------------------------------------------------
   2. layout —— 页头、主导航、主容器、面包屑、页标题、页脚
   -------------------------------------------------------------------------- */

/* 页头 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-ink);
  border-bottom: 1px solid var(--c-line-dark);
}

.header-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  flex: 0 0 auto;
  min-height: 44px;
  padding-right: 20px;
  border-right: 1px solid var(--c-line-dark);
}

.brand-name {
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}

.brand-sub {
  font-size: 11px;
  color: #8b98a8;
  letter-spacing: 0.4px;
  line-height: 1.2;
}

/* 主导航 */
.primary-nav {
  flex: 1 1 auto;
  min-width: 0;
}

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

.nav-list li {
  flex: 0 0 auto;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 12px;
  font-size: 14px;
  color: #c6cfdb;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: color var(--trans), background var(--trans);
}

.nav-list a:hover {
  color: #fff;
  background: var(--c-ink-2);
}

.nav-list a.is-current {
  color: #fff;
  background: var(--c-red);
  font-weight: 700;
}

.nav-list a.is-current:hover {
  background: var(--c-red-dark);
}

/* 汉堡按钮（桌面隐藏） */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--c-line-dark);
  border-radius: var(--radius-sm);
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: #dfe6ef;
  border-radius: 1px;
}

/* 主内容 */
.site-main {
  display: block;
}

.inner-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad-x) 56px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--c-text-soft);
  padding: 22px 0 0;
}

.breadcrumb a {
  color: var(--c-text-soft);
  transition: color var(--trans);
}

.breadcrumb a:hover {
  color: var(--c-red);
}

.breadcrumb-sep {
  color: #b3bcc7;
}

.breadcrumb-current {
  color: var(--c-text);
  font-weight: 700;
}

/* 页面标题区 */
.page-header {
  position: relative;
  padding: 14px 0 18px 16px;
  margin-bottom: 26px;
  border-left: 4px solid var(--c-red);
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.28;
  color: var(--c-text);
}

/* 内页通用 section */
.section {
  margin-bottom: 40px;
}

.section-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.section-intro,
.section-lead,
.section-desc {
  font-size: 14px;
  color: var(--c-text-soft);
  line-height: 1.7;
}

.section-intro,
.section-lead {
  margin-bottom: 18px;
}

.section-head {
  margin-bottom: 20px;
}

.section-head .section-desc {
  margin-top: 6px;
}

/* 页脚 */
.site-footer {
  background: var(--c-ink);
  color: #b6c0cd;
  border-top: 1px solid var(--c-line-dark);
}

.footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 44px var(--pad-x) 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--c-line-dark);
}

.footer-title {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-line-dark);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-links a {
  font-size: 13px;
  color: #a7b3c1;
  transition: color var(--trans);
}

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

.footer-text {
  font-size: 13px;
  line-height: 1.7;
  color: #8b98a8;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0 24px;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 12px;
  color: #7d8a99;
  line-height: 1.7;
}

.back-top {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  font-size: 12px;
  color: #c6cfdb;
  border: 1px solid var(--c-line-dark);
  border-radius: var(--radius-sm);
  transition: color var(--trans), border-color var(--trans);
}

.back-top:hover {
  color: #fff;
  border-color: #4a5a6e;
}

/* --------------------------------------------------------------------------
   3. components —— 标签、徽标、按钮、卡片、表格、aside、相关链接
   -------------------------------------------------------------------------- */

/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 12px;
  line-height: 1.6;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.tag-topic {
  background: #fdeceb;
  color: var(--c-red-dark);
  border: 1px solid #f6c9c4;
}

.tag-batch {
  font-family: var(--font-mono);
  background: #eef4fb;
  color: #2b5a8c;
  border: 1px solid #c8dbf0;
}

.tag-status {
  background: #eaf6f0;
  color: #1f7a4f;
  border: 1px solid #bfe3d0;
}

.tag-genre {
  background: #f3f0fb;
  color: #5a3fb0;
  border: 1px solid #d6cdf0;
}

/* 徽标 */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  border: 1px solid transparent;
}

.badge-done,
.badge-published {
  background: #eaf6f0;
  color: #1f7a4f;
  border-color: #bfe3d0;
}

.badge-doing,
.badge-ongoing {
  background: #fdf3e0;
  color: #a86a08;
  border-color: #f2d8a6;
}

.badge-live {
  background: #fdeceb;
  color: var(--c-red-dark);
  border-color: #f6c9c4;
}

.badge-pending {
  background: #eef1f5;
  color: #5c6875;
  border-color: #d3dae3;
}

.badge-archived {
  background: #eceff3;
  color: #77828f;
  border-color: #d8dee7;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  font-size: 14px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background var(--trans), border-color var(--trans), color var(--trans);
}

.btn-primary {
  background: var(--c-red);
  color: #fff;
}

.btn-primary:hover {
  background: var(--c-red-dark);
}

.btn-ghost {
  background: transparent;
  color: #d5dde7;
  border-color: #3b4a5c;
}

.btn-ghost:hover {
  color: #fff;
  border-color: #5a6b80;
}

/* 更多链接 */
.link-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-red);
  transition: color var(--trans);
}

.link-more::after {
  content: "›";
  font-size: 15px;
  line-height: 1;
}

.link-more:hover {
  color: var(--c-red-dark);
}

/* 卡片通用悬停 */
.pick-card,
.atlas-card,
.collection-card,
.domain-card,
.order-card,
.zone-card,
.pitfall-item,
.cause-card,
.archive-card,
.status-block,
.tag-block,
.related-card,
.related-item {
  transition: transform var(--trans), border-color var(--trans);
}

/* 属性表 */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
}

.data-table {
  min-width: 560px;
  font-size: 14px;
}

.data-table th,
.data-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--c-line);
  line-height: 1.6;
}

.data-table thead th {
  font-size: 13px;
  font-weight: 700;
  color: var(--c-text-soft);
  letter-spacing: 0.5px;
  background: #eef1f5;
  white-space: nowrap;
}

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

.data-table tbody th {
  font-weight: 700;
  color: var(--c-text);
  white-space: nowrap;
}

.data-table tbody tr:hover td,
.data-table tbody tr:hover th {
  background: #fafbfd;
}

/* 内页 aside */
.aside-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--c-line);
}

.aside-links,
.aside-link-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.aside-links a,
.aside-link-list a {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding: 0 10px;
  font-size: 14px;
  color: var(--c-text);
  border-radius: var(--radius-sm);
  transition: background var(--trans), color var(--trans);
}

.aside-links a:hover,
.aside-link-list a:hover {
  background: #eef1f5;
  color: var(--c-red-dark);
}

.aside-note,
.aside-block.aside-note {
  margin-top: 22px;
  padding: 14px 16px;
  background: #eef1f5;
  border-left: 3px solid var(--c-amber);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.aside-text,
.aside-intro {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

.aside-note-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 6px;
}

/* 相关栏目 */
.related-section,
.related-block {
  margin-top: 48px;
  padding-top: 26px;
  border-top: 2px solid var(--c-line);
}

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

.related-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  font-size: 14px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  transition: border-color var(--trans), color var(--trans);
}

.related-links a:hover {
  border-color: var(--c-red);
  color: var(--c-red-dark);
}

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

.related-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
}

.related-card:hover {
  transform: translateY(-2px);
  border-color: var(--c-red);
}

.related-name {
  font-size: 15px;
  font-weight: 700;
}

.related-desc,
.related-text {
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-text-soft);
}

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

.related-item a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 18px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  transition: border-color var(--trans), transform var(--trans);
}

.related-item a:hover {
  border-color: var(--c-red);
  transform: translateY(-2px);
}

/* 元信息条 */
.meta-bar,
.page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 14px;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.meta-item dt {
  font-size: 11px;
  letter-spacing: 0.5px;
  color: var(--c-text-soft);
}

.meta-item dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-text);
}

span.meta-item {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #3d4a58;
  background: #eef1f5;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   4. pages —— 首页
   -------------------------------------------------------------------------- */

/* 焦点首屏 */
.hero {
  background: var(--c-ink);
  color: #e8edf3;
  border-bottom: 1px solid var(--c-line-dark);
}

.hero-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 44px var(--pad-x) 46px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 44px;
  align-items: center;
}

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

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-amber);
  padding: 3px 10px;
  margin-bottom: 16px;
  border: 1px solid #4a3a1c;
  border-radius: var(--radius-sm);
  background: #221a0e;
}

.hero-copy h1 {
  font-size: 40px;
  line-height: 1.22;
  color: #fff;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 15px;
  line-height: 1.8;
  color: #a9b6c5;
  max-width: 34em;
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-visual {
  min-width: 0;
  border: 2px solid var(--c-line-dark);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-ink-2);
}

.hero-visual img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.hero-visual figcaption {
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: #93a1b1;
  border-top: 1px solid var(--c-line-dark);
}

/* 页内锚点条 */
.anchor-bar {
  position: sticky;
  top: var(--header-h);
  z-index: 60;
  background: #e9edf2;
  border-bottom: 1px solid var(--c-line);
}

.anchor-list {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: flex;
  gap: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.anchor-list::-webkit-scrollbar {
  display: none;
}

.anchor-list li {
  flex: 0 0 auto;
}

.anchor-list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 700;
  color: #45525f;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color var(--trans), border-color var(--trans);
}

.anchor-list a:hover {
  color: var(--c-red-dark);
  border-bottom-color: var(--c-red);
}

/* 首页内容区容器 */
.home-main > section {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 44px var(--pad-x) 0;
}

.home-main > section:last-of-type {
  padding-bottom: 56px;
}

/* 焦点推荐位 */
.pick-card {
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.pick-card:hover {
  transform: translateY(-2px);
  border-color: #b9c4d1;
}

.pick-card-main {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  margin-bottom: 18px;
}

.pick-media {
  min-width: 0;
  background: #e6ebf1;
}

.pick-media img {
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
}

.pick-body {
  min-width: 0;
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.pick-title {
  font-size: 20px;
  line-height: 1.4;
}

.pick-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-soft);
}

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

.pick-secondary .pick-card {
  display: flex;
  flex-direction: column;
}

.pick-secondary .pick-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  min-height: 0;
  object-fit: cover;
}

.pick-secondary .pick-body {
  padding: 18px 20px;
}

.pick-secondary .pick-title {
  font-size: 17px;
}

/* 频道图鉴标签面板 */
.channel-panel {
  padding-top: 44px;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.tab {
  min-height: 44px;
  padding: 0 18px;
  font-size: 14px;
  font-weight: 700;
  color: #d5dde7;
  background: var(--c-ink-2);
  border: 2px solid var(--c-line-dark);
  border-radius: var(--radius-sm);
  transition: background var(--trans), border-color var(--trans), color var(--trans);
}

.tab:hover {
  border-color: #5a6b80;
  color: #fff;
}

.tab[aria-selected="true"] {
  background: var(--c-red);
  border-color: var(--c-red);
  color: #fff;
}

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

.atlas-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.atlas-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 18px 18px 20px;
  background: var(--c-ink-2);
  border: 2px solid var(--c-line-dark);
  border-radius: var(--radius);
}

.atlas-card:hover {
  transform: translateY(-2px);
  border-color: #4a5a6e;
}

.atlas-card .tag {
  background: #2b1c1a;
  color: #f0a094;
  border-color: #5a2f2a;
}

.atlas-name {
  font-size: 17px;
  color: #fff;
  line-height: 1.4;
}

.atlas-desc {
  font-size: 13px;
  line-height: 1.7;
  color: #9dabb9;
}

.panel-note {
  margin-top: 18px;
  font-size: 13px;
  color: #9dabb9;
}

/* 更新日程批次轨道 */
.track-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.track-nodes {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.track-node {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 0 26px 26px;
  border-left: 2px solid var(--c-line-dark);
}

.track-node:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.track-node::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-amber);
  border: 2px solid var(--c-ink);
}

.node-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-amber);
}

.node-stage {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}

.track-node .badge {
  align-self: flex-start;
}

.track-cards {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.batch-card {
  background: var(--c-ink-2);
  border: 2px solid var(--c-line-dark);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.batch-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.batch-tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #f0c98a;
  background: #2a2110;
  border: 1px solid #4a3a1c;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.batch-title {
  font-size: 17px;
  color: #fff;
  margin-bottom: 6px;
}

.batch-text {
  font-size: 13px;
  line-height: 1.7;
  color: #9dabb9;
  margin-bottom: 12px;
}

.batch-fields {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--c-line-dark);
}

.batch-fields dt {
  font-size: 12px;
  color: #8593a3;
  white-space: nowrap;
}

.batch-fields dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #cfd8e2;
}

/* 精选合集横条 */
.collection-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.collection-card {
  display: flex;
  flex-direction: column;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.collection-card:hover {
  transform: translateY(-2px);
  border-color: #b9c4d1;
}

.collection-media {
  background: #e6ebf1;
}

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

.collection-name {
  font-size: 16px;
  line-height: 1.4;
  padding: 14px 18px 4px;
}

.collection-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-soft);
  padding: 0 18px 14px;
}

.collection-card .batch-tag {
  margin: 12px 18px 0;
  align-self: flex-start;
  background: #eef4fb;
  color: #2b5a8c;
  border-color: #c8dbf0;
}

/* 观看前核对属性表 */
.check-table {
  min-width: 0;
  width: 100%;
  font-size: 14px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.check-table caption {
  text-align: left;
}

.check-table th,
.check-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--c-line);
  line-height: 1.6;
  word-break: break-word;
}

.check-table thead th {
  font-size: 13px;
  font-weight: 700;
  color: var(--c-text-soft);
  letter-spacing: 0.5px;
  background: #eef1f5;
}

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

.check-table tbody tr:hover td {
  background: #fafbfd;
}

/* 讨论分区摘要 */
.brief-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 28px;
  align-items: start;
}

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

.notice-bar {
  background: var(--c-ink);
  color: #d5dde7;
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 16px;
}

.notice-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.notice-label {
  display: inline-flex;
  align-items: center;
  padding: 1px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #fff;
  background: var(--c-red);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.notice-title {
  font-size: 17px;
  color: #fff;
}

.notice-text {
  font-size: 13px;
  line-height: 1.7;
  color: #9dabb9;
}

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

.topic-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 18px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
}

.topic-title {
  font-size: 15px;
  line-height: 1.45;
}

.topic-meta {
  font-size: 12px;
  color: var(--c-text-soft);
}

.topic-meta code {
  color: #2b5a8c;
}

.brief-side {
  min-width: 0;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.side-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--c-line);
}

.rule-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  counter-reset: rule;
}

.rule-list li {
  position: relative;
  padding-left: 24px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-soft);
  counter-increment: rule;
}

.rule-list li::before {
  content: counter(rule);
  position: absolute;
  left: 0;
  top: 1px;
  width: 17px;
  height: 17px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 17px;
  text-align: center;
  color: #fff;
  background: var(--c-ink);
  border-radius: 50%;
}

/* 指南入口三步 */
.guide-steps .step-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.step-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.step-row .step-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
}

.step-row .step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: var(--c-red);
  border-radius: var(--radius-sm);
}

.step-row .step-name {
  font-size: 16px;
  line-height: 1.4;
}

.step-row .step-text {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

/* --------------------------------------------------------------------------
   5. pages —— 内页通用布局
   -------------------------------------------------------------------------- */

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  align-items: start;
  margin-top: 8px;
}

.layout-main,
.page-primary,
.page-content,
.content-main {
  min-width: 0;
}

.layout-aside,
.page-aside,
.content-aside {
  min-width: 0;
  position: sticky;
  top: calc(var(--header-h) + 20px);
  align-self: start;
}

.aside-block {
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 18px;
}

.aside-block:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   6. pages —— 频道图鉴
   -------------------------------------------------------------------------- */
.container {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.page-head {
  margin-bottom: 28px;
}

.page-lead {
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text-soft);
  max-width: 62em;
}

.atlas-group {
  margin-bottom: 26px;
}

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

.group-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
  padding-left: 10px;
  border-left: 3px solid var(--c-red);
  line-height: 1.4;
}

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

.atlas-section .atlas-card {
  background: var(--c-white);
  border-color: var(--c-line);
}

.atlas-section .atlas-card:hover {
  border-color: #b9c4d1;
}

.atlas-section .atlas-card .tag {
  background: #fdeceb;
  color: var(--c-red-dark);
  border-color: #f6c9c4;
}

.atlas-section .atlas-name {
  color: var(--c-text);
}

.atlas-section .atlas-desc {
  color: var(--c-text-soft);
}

.atlas-media {
  width: 100%;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #e6ebf1;
}

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

.tag-blocks {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.tag-block {
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  padding: 18px;
}

.tag-block-title {
  font-size: 16px;
  margin-bottom: 10px;
}

.tag-sample {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.tag-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.94em;
}

/* --------------------------------------------------------------------------
   7. pages —— 精选合集
   -------------------------------------------------------------------------- */
.page-head-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.domain-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.domain-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  padding: 16px 16px 18px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
}

.domain-card:hover {
  transform: translateY(-2px);
  border-color: #b9c4d1;
}

.domain-tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #2b5a8c;
  background: #eef4fb;
  border: 1px solid #c8dbf0;
  border-radius: var(--radius-sm);
}

.domain-name {
  font-size: 16px;
  line-height: 1.4;
}

.domain-text {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

.domain-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: #5c6875;
  padding-top: 8px;
  border-top: 1px solid var(--c-line);
  width: 100%;
}

.collection-timeline {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.collection-item {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 0;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.collection-item .collection-media {
  background: #e6ebf1;
}

.collection-item .collection-media img {
  width: 100%;
  height: 100%;
  min-height: 160px;
  object-fit: cover;
}

.collection-body {
  min-width: 0;
  padding: 16px 20px 18px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.collection-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.collection-body .collection-name {
  padding: 0;
  font-size: 17px;
}

.collection-body .collection-desc {
  padding: 0;
}

.entry-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  padding-top: 10px;
  border-top: 1px solid var(--c-line);
}

.entry-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

.entry-index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-red-dark);
  padding-top: 1px;
}

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

.collection-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--c-red);
  transition: color var(--trans);
}

.collection-link:hover {
  color: var(--c-red-dark);
}

.collection-caption {
  padding: 8px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-text-soft);
  border-top: 1px solid var(--c-line);
}

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

.order-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
}

.order-card:hover {
  transform: translateY(-2px);
  border-color: #b9c4d1;
}

.order-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: var(--c-ink);
  border-radius: var(--radius-sm);
}

.order-name {
  font-size: 16px;
  line-height: 1.4;
}

.order-text {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

/* --------------------------------------------------------------------------
   8. pages —— 更新日程
   -------------------------------------------------------------------------- */
.page-hero {
  background: var(--c-ink);
  color: #e8edf3;
  padding: 40px 0 0;
  margin-bottom: 40px;
}

.page-hero-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad-x) 32px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 36px;
  align-items: start;
}

.page-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-amber);
  margin-bottom: 10px;
}

.page-hero .page-lead {
  color: #a9b6c5;
  margin-bottom: 18px;
}

.page-hero .meta-item dt {
  color: #8593a3;
}

.page-hero .meta-item dd {
  color: #e8edf3;
}

.page-hero-figure {
  min-width: 0;
  border: 2px solid var(--c-line-dark);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-ink-2);
}

.page-hero-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-hero-figure figcaption {
  padding: 8px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: #93a1b1;
  border-top: 1px solid var(--c-line-dark);
}

/* 批次轨道（内页） */
.track-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.track-list .track-node {
  position: relative;
  display: flex;
  gap: 16px;
  padding: 0 0 22px 0;
  border-left: 0;
}

.track-list .track-node::before {
  display: none;
}

.track-dot {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  border-radius: 50%;
  background: #b3bcc7;
  box-shadow: 0 0 0 4px #eef1f5;
  position: relative;
}

.track-list .track-node:not(:last-child) .track-dot::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 18px;
  width: 2px;
  height: calc(100% + 26px);
  transform: translateX(-50%);
  background: var(--c-line);
}

.track-node.is-archived .track-dot {
  background: #8b98a8;
}

.track-node.is-published .track-dot {
  background: var(--c-green);
}

.track-node.is-ongoing .track-dot {
  background: var(--c-amber);
  box-shadow: 0 0 0 4px #fdf3e0;
}

.track-node.is-pending .track-dot {
  background: #c3ccd6;
}

.track-node-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-bottom: 4px;
}

.track-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-text-soft);
}

.track-stage {
  font-size: 15px;
  font-weight: 700;
}

.track-node-body p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

.track-node-body .status-badge {
  align-self: flex-start;
}

/* 批次卡（内页） */
.batch-card-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.batch-card-list .batch-card {
  background: var(--c-white);
  border-color: var(--c-line);
}

.batch-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.batch-card-head .batch-tag {
  background: #eef4fb;
  color: #2b5a8c;
  border-color: #c8dbf0;
}

.batch-card-list .batch-title {
  color: var(--c-text);
}

.batch-card-list .batch-text {
  color: var(--c-text-soft);
}

.batch-card-list .batch-fields {
  border-top-color: var(--c-line);
}

.batch-card-list .batch-fields dt {
  color: var(--c-text-soft);
}

.batch-card-list .batch-fields dd {
  color: var(--c-text);
}

.batch-field {
  font-family: var(--font-mono);
}

/* 状态字段 */
.status-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.status-block {
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  padding: 16px;
  border-top-width: 4px;
}

.status-block.status-archived {
  border-top-color: #8b98a8;
}

.status-block.status-pending {
  border-top-color: #c3ccd6;
}

.status-block.status-ongoing {
  border-top-color: var(--c-amber);
}

.status-block.status-published {
  border-top-color: var(--c-green);
}

.status-name {
  font-size: 15px;
  margin-bottom: 6px;
}

.status-text {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  white-space: nowrap;
}

.status-badge.status-archived {
  background: #eceff3;
  color: #77828f;
  border-color: #d8dee7;
}

.status-badge.status-pending {
  background: #eef1f5;
  color: #5c6875;
  border-color: #d3dae3;
}

.status-badge.status-ongoing {
  background: #fdf3e0;
  color: #a86a08;
  border-color: #f2d8a6;
}

.status-badge.status-published {
  background: #eaf6f0;
  color: #1f7a4f;
  border-color: #bfe3d0;
}

/* 排期调整原因 */
.reason-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  counter-reset: reason;
}

.reason-item {
  position: relative;
  padding: 14px 18px 14px 46px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  counter-increment: reason;
}

.reason-item::before {
  content: counter(reason);
  position: absolute;
  left: 16px;
  top: 15px;
  width: 20px;
  height: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 20px;
  text-align: center;
  color: #fff;
  background: var(--c-ink);
  border-radius: var(--radius-sm);
}

.reason-name {
  font-size: 15px;
  margin-bottom: 4px;
}

.reason-text {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

/* --------------------------------------------------------------------------
   9. pages —— 观看指南
   -------------------------------------------------------------------------- */
.page-watch-guide .page-hero {
  padding-bottom: 0;
  margin-bottom: 32px;
}

.page-watch-guide .page-hero .page-lead {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  color: #a9b6c5;
}

.page-watch-guide .page-hero .page-meta {
  max-width: var(--wrap);
  margin: 14px auto 0;
  padding: 0 var(--pad-x) 30px;
}

.page-watch-guide .page-hero .meta-item {
  background: #1e2a39;
  color: #cfd8e2;
}

.guide-figure {
  margin-bottom: 22px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.guide-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.guide-figure figcaption {
  padding: 10px 16px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-text-soft);
  border-top: 1px solid var(--c-line);
}

.step-card-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.step-card-list .step-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
}

.step-card-list .step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: var(--c-red);
  border-radius: var(--radius-sm);
}

.step-title {
  font-size: 15px;
  line-height: 1.45;
}

.step-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

.step-flag {
  margin-top: auto;
  padding-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  color: #1f7a4f;
  border-top: 1px solid var(--c-line);
}

/* 入口核对清单表格 */
.check-list .check-table {
  border: 2px solid var(--c-line);
}

.check-list .check-table th,
.check-list .check-table td {
  font-size: 13px;
  padding: 11px 12px;
}

.check-list .check-table thead th {
  font-size: 12px;
}

/* 常见误入情形 */
.pitfall-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.pitfall-item {
  padding: 16px 18px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-left: 4px solid var(--c-amber);
  border-radius: var(--radius);
}

.pitfall-title {
  font-size: 15px;
  margin-bottom: 6px;
}

.pitfall-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

/* --------------------------------------------------------------------------
   10. pages —— 讨论分区
   -------------------------------------------------------------------------- */
.page-title-block {
  margin-bottom: 28px;
}

.zone-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.zone-card {
  padding: 16px 18px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
}

.zone-card:hover {
  transform: translateY(-2px);
  border-color: #b9c4d1;
}

.zone-card h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.zone-topic {
  font-family: var(--font-mono);
  font-size: 12px;
  color: #2b5a8c;
  margin-bottom: 8px;
}

.zone-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

.zone-figure {
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.zone-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 8;
  object-fit: cover;
}

.zone-figure figcaption {
  padding: 10px 16px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-text-soft);
  border-top: 1px solid var(--c-line);
}

.notice-banner {
  background: var(--c-ink);
  color: #d5dde7;
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 18px;
}

.notice-banner .notice-label {
  margin-bottom: 10px;
}

.notice-banner h3 {
  font-size: 18px;
  color: #fff;
  margin-bottom: 8px;
}

.notice-banner .notice-text {
  color: #9dabb9;
}

.topic-list .topic-row {
  padding: 14px 18px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  margin-bottom: 10px;
}

.topic-list .topic-row:last-child {
  margin-bottom: 0;
}

.topic-row h3 {
  font-size: 15px;
  margin-bottom: 4px;
  line-height: 1.45;
}

.topic-meta {
  font-size: 12px;
  color: var(--c-text-soft);
  margin-bottom: 4px;
}

.topic-meta code {
  color: #2b5a8c;
}

.topic-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

.rule-items {
  display: flex;
  flex-direction: column;
  gap: 10px;
  counter-reset: ruleitem;
}

.rule-item {
  position: relative;
  padding: 14px 18px 14px 50px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  counter-increment: ruleitem;
}

.rule-item::before {
  content: counter(ruleitem);
  position: absolute;
  left: 16px;
  top: 15px;
  width: 22px;
  height: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 22px;
  text-align: center;
  color: #fff;
  background: var(--c-red);
  border-radius: var(--radius-sm);
}

.rule-index {
  position: absolute;
  left: 16px;
  top: 15px;
  width: 22px;
  height: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 22px;
  text-align: center;
  color: #fff;
  background: var(--c-red);
  border-radius: var(--radius-sm);
}

.rule-item::before {
  content: none;
}

.rule-items {
  counter-reset: none;
}

.rule-text {
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-text-soft);
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.archive-card {
  padding: 16px 18px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
}

.archive-card h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.archive-card p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

/* --------------------------------------------------------------------------
   11. pages —— 帮助中心
   -------------------------------------------------------------------------- */
.page-intro {
  background: var(--c-ink);
  color: #e8edf3;
  padding: 40px 0 0;
  margin-bottom: 40px;
}

.page-intro-body {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad-x) 32px;
}

.page-intro-lead {
  font-size: 15px;
  line-height: 1.8;
  color: #a9b6c5;
  max-width: 52em;
  margin-bottom: 16px;
}

.page-intro .meta-item dt {
  color: #8593a3;
}

.page-intro .meta-item dd {
  color: #e8edf3;
}

.content-figure {
  margin-bottom: 26px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.content-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.figure-caption {
  padding: 10px 16px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-text-soft);
  border-top: 1px solid var(--c-line);
}

.faq-group {
  margin-bottom: 24px;
}

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

.faq-group-title {
  font-size: 16px;
  margin-bottom: 10px;
  padding-left: 10px;
  border-left: 3px solid var(--c-red);
  line-height: 1.4;
}

.faq-item {
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
}

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

.faq-item summary {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 18px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  cursor: pointer;
  list-style: none;
  transition: color var(--trans);
}

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

.faq-item summary::before {
  content: "+";
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 20px;
  text-align: center;
  color: #fff;
  background: var(--c-ink);
  border-radius: var(--radius-sm);
}

.faq-item[open] summary::before {
  content: "−";
  background: var(--c-red);
}

.faq-item summary:hover {
  color: var(--c-red-dark);
}

.faq-answer {
  padding: 0 18px 16px 48px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-soft);
  border-top: 1px solid var(--c-line);
  padding-top: 12px;
}

.cause-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.cause-card {
  padding: 16px 18px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
}

.cause-card h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.cause-card p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

.cause-hint {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--c-line);
  font-size: 12px;
  color: #a86a08;
}

.recover-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.recover-step {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
}

.step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: var(--c-ink);
  border-radius: var(--radius-sm);
}

.recover-step h3 {
  font-size: 15px;
  line-height: 1.45;
}

.recover-step p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

.step-result {
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--c-line);
  font-size: 12px;
  color: #1f7a4f;
}

/* --------------------------------------------------------------------------
   12. pages —— 404
   -------------------------------------------------------------------------- */
.error-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 64px var(--pad-x) 72px;
}

.error-panel {
  max-width: 640px;
  padding: 36px 32px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  border-top: 6px solid var(--c-red);
  border-radius: var(--radius);
}

.error-code {
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-red);
  margin-bottom: 14px;
}

.error-title {
  font-size: 26px;
  margin-bottom: 12px;
}

.error-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-soft);
  margin-bottom: 10px;
}

.error-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0;
}

.error-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  font-size: 14px;
  background: #eef1f5;
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  transition: border-color var(--trans), color var(--trans);
}

.error-links a:hover {
  border-color: var(--c-red);
  color: var(--c-red-dark);
}

.error-home {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 22px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: var(--c-red);
  border-radius: var(--radius-sm);
  transition: background var(--trans);
}

.error-home:hover {
  background: var(--c-red-dark);
}

/* --------------------------------------------------------------------------
   13. responsive
   -------------------------------------------------------------------------- */

/* 1024px：取消双栏，aside 下移 */
@media (max-width: 1024px) {
  .page-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .layout-aside,
  .page-aside,
  .content-aside {
    position: static;
    top: auto;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding-top: 34px;
  }

  .hero-visual {
    order: -1;
  }

  .hero-copy h1 {
    font-size: 32px;
  }

  .track-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 22px;
  }

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

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

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

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

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

/* 900px：导航收起 */
@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .primary-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--c-ink);
    border-bottom: 1px solid var(--c-line-dark);
    padding: 8px var(--pad-x) 16px;
    box-shadow: 0 12px 24px rgba(15, 20, 27, 0.28);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    display: none;
  }

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

  .nav-list a {
    min-height: 44px;
    padding: 0 14px;
    font-size: 15px;
  }

  .brand {
    border-right: 0;
    padding-right: 0;
  }
}

/* 768px：标题区元信息折行、表格两列字段堆叠 */
@media (max-width: 768px) {
  :root {
    --pad-x: 20px;
  }

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

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

  .hero-copy h1 {
    font-size: 28px;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
  }

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

  .pick-media img {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

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

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

  .collection-row,
  .order-grid,
  .zone-grid,
  .archive-grid,
  .related-grid,
  .tag-blocks,
  .cause-grid,
  .step-row,
  .pitfall-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .track-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .track-nodes {
    flex-direction: row;
    gap: 10px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 6px;
  }

  .track-node {
    flex: 0 0 auto;
    padding: 0 0 0 0;
    border-left: 0;
  }

  .track-node::before {
    display: none;
  }

  .track-node .node-index,
  .track-node .node-stage {
    display: block;
  }

  .track-node {
    min-width: 130px;
    padding: 10px 12px;
    background: var(--c-ink-2);
    border: 2px solid var(--c-line-dark);
    border-radius: var(--radius);
  }

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

  .collection-item .collection-media img {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .data-table {
    min-width: 520px;
  }

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

  .check-table {
    border: 0;
    background: transparent;
  }

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

  .check-table tr {
    background: var(--c-white);
    border: 2px solid var(--c-line);
    border-radius: var(--radius);
    margin-bottom: 10px;
    padding: 4px 0;
    overflow: hidden;
  }

  .check-table tr:last-child {
    margin-bottom: 0;
  }

  .check-table td {
    border-bottom: 1px solid var(--c-line);
    padding: 10px 14px;
    font-size: 13px;
  }

  .check-table td:last-child {
    border-bottom: 0;
  }

  .check-table td::before {
    display: block;
    font-size: 11px;
    letter-spacing: 0.5px;
    color: var(--c-text-soft);
    margin-bottom: 2px;
  }

  .check-table td:nth-child(1)::before {
    content: "核对项";
  }

  .check-table td:nth-child(2)::before {
    content: "说明";
  }

  .check-table td:nth-child(3)::before {
    content: "对应栏目";
  }

  .check-table tbody tr:hover td {
    background: transparent;
  }

  .step-card-list,
  .recover-steps,
  .status-grid,
  .domain-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-hero .page-lead,
  .page-watch-guide .page-hero .page-lead {
    font-size: 14px;
  }

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

  .error-code {
    font-size: 36px;
  }

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

/* 560px：单列、纵向时间线 */
@media (max-width: 560px) {
  :root {
    --pad-x: 18px;
  }

  .header-inner {
    gap: 12px;
  }

  .brand-name {
    font-size: 17px;
  }

  .brand-sub {
    font-size: 10px;
  }

  .hero-inner {
    padding-top: 26px;
    padding-bottom: 32px;
  }

  .hero-copy h1 {
    font-size: 26px;
  }

  .hero-lead {
    font-size: 14px;
  }

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

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

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

  .page-header {
    padding: 12px 0 14px 12px;
    margin-bottom: 22px;
  }

  .home-main > section {
    padding-top: 34px;
  }

  .atlas-row,
  .atlas-grid,
  .step-card-list,
  .recover-steps,
  .status-grid,
  .domain-grid,
  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .tabs::-webkit-scrollbar {
    display: none;
  }

  .tab {
    flex: 0 0 auto;
  }

  .track-nodes {
    flex-direction: column;
    overflow-x: visible;
  }

  .track-node {
    min-width: 0;
    width: 100%;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    grid-template-areas:
      "index stage"
      "badge badge";
    align-items: center;
    gap: 4px 10px;
  }

  .track-node .node-index {
    grid-area: index;
  }

  .track-node .node-stage {
    grid-area: stage;
  }

  .track-node .badge {
    grid-area: badge;
    justify-self: start;
  }

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

  .batch-fields dt {
    margin-top: 6px;
  }

  .meta-bar,
  .page-meta {
    gap: 8px 18px;
  }

  .related-links {
    flex-direction: column;
    align-items: stretch;
  }

  .related-links a {
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .error-main {
    padding-top: 40px;
    padding-bottom: 48px;
  }

  .faq-item summary {
    padding: 12px 14px;
    font-size: 14px;
  }

  .faq-answer {
    padding: 12px 14px 14px 44px;
  }

  .reason-item,
  .rule-item {
    padding-left: 44px;
  }
}

/* 程序验收反馈：移动端防溢出 */
@media (max-width: 768px) {
  .site-main,
  .site-main * {
    min-width: 0;
    max-width: 100%;
  }

  .site-main :is(h1, h2, h3, h4, p, a, span) {
    overflow-wrap: anywhere;
  }
}