/* ==========================================================================
   91漫画永久免费观看 — 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base：变量、重置、排版基调
   -------------------------------------------------------------------------- */
:root {
  --paper: #F7F4EC;
  --ink: #1E2422;
  --ink-soft: #6E7C77;
  --teal: #0F5B54;
  --teal-deep: #0A453F;
  --orange: #DE7A3C;
  --blue: #3E8FA3;
  --line: #DCD6C6;
  --card: #FFFDF8;
  --radius: 6px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --shell: 1120px;
  --gap: 40px;
}

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

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

body.site-body {
  margin: 0;
  padding: 0;
  background-color: var(--paper);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Hiragino Sans GB", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  font-weight: 400;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

p {
  margin: 0;
}

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

a {
  color: var(--teal);
  text-decoration: none;
  transition: color 160ms ease, border-color 160ms ease;
}

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

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

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

figure {
  margin: 0;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

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

/* --------------------------------------------------------------------------
   layout：页头 / 导航 / 主容器 / 页脚 骨架
   -------------------------------------------------------------------------- */
.site-header {
  background-color: var(--paper);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 40;
}

.header-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--teal);
}

.brand:hover {
  color: var(--teal-deep);
}

.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 4px;
  background-color: var(--teal);
  position: relative;
  flex-shrink: 0;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 7px;
  border: 2px solid var(--paper);
  border-radius: 2px;
}

.brand-name {
  font-size: 17px;
  font-weight: 700;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--card);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  background-color: var(--teal);
  border-radius: 1px;
}

.primary-nav {
  margin-left: auto;
}

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

.nav-item a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  font-size: 15px;
  color: var(--ink);
  border-bottom: 2px solid transparent;
}

.nav-item a:hover {
  color: var(--teal);
  border-bottom-color: var(--blue);
}

.nav-item.is-current a,
.nav-list .is-current {
  color: var(--teal);
  font-weight: 700;
  border-bottom-color: var(--orange);
}

.site-main {
  display: block;
}

.inner-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 28px 24px 64px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 18px;
}

.breadcrumb a {
  color: var(--ink-soft);
}

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

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

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

.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.breadcrumb-item {
  font-size: 13px;
  color: var(--ink-soft);
}

.breadcrumb-item a {
  color: var(--ink-soft);
}

.breadcrumb-item.is-last,
.breadcrumb-item.is-final {
  color: var(--ink);
}

.page-header {
  margin-bottom: 22px;
}

.page-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--teal);
}

.site-footer {
  background-color: var(--teal);
  color: #E8EFEC;
  margin-top: 0;
}

.footer-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 32px 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-brand {
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
}

.footer-brand:hover {
  color: #F4C9A8;
}

.footer-slogan {
  font-size: 13px;
  color: #BFD3CE;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  padding: 12px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.footer-nav a {
  font-size: 14px;
  color: #D7E4E0;
  padding: 4px 0;
}

.footer-nav a:hover {
  color: #F4C9A8;
}

.footer-copy {
  font-size: 12px;
  color: #A9C0BA;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   components：通用编号牌 / 标签条 / 按钮 / 折叠 / 卡片
   -------------------------------------------------------------------------- */
.route-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 26px;
  padding: 0 6px;
  border-radius: 4px;
  background-color: var(--orange);
  color: #FFFFFF;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.plate {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 10px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  background-color: var(--card);
  color: var(--teal);
}

.plate-batch {
  background-color: var(--orange);
  border-color: var(--orange);
  color: #FFFFFF;
}

.plate-route {
  background-color: var(--teal);
  border-color: var(--teal);
  color: #FFFFFF;
}

.plate-feature {
  background-color: var(--blue);
  border-color: var(--blue);
  color: #FFFFFF;
}

.plate-archive {
  background-color: var(--teal);
  border-color: var(--teal);
  color: #FFFFFF;
}

.plate-zone {
  background-color: var(--paper);
  border-color: var(--blue);
  color: var(--blue);
}

.plate-step {
  background-color: var(--orange);
  border-color: var(--orange);
  color: #FFFFFF;
  min-width: 34px;
  justify-content: center;
}

.plaque {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 9px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  border: 1px solid var(--line);
  background-color: var(--card);
  color: var(--teal);
}

.plaque-orange {
  background-color: var(--orange);
  border-color: var(--orange);
  color: #FFFFFF;
}

.plaque-teal {
  background-color: var(--teal);
  border-color: var(--teal);
  color: #FFFFFF;
}

.code-badge {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 10px;
  border-radius: 4px;
  background-color: var(--teal);
  color: #FFFFFF;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.code-badge-sm {
  height: 22px;
  padding: 0 8px;
  background-color: var(--paper);
  color: var(--teal);
  border: 1px solid var(--line);
}

.code-badge-step {
  width: 30px;
  height: 30px;
  padding: 0;
  justify-content: center;
  background-color: var(--orange);
  font-size: 12px;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.btn-primary {
  background-color: var(--teal);
  color: #FFFFFF;
  border-color: var(--teal);
}

.btn-primary:hover {
  background-color: var(--teal-deep);
  border-color: var(--teal-deep);
  color: #FFFFFF;
}

.btn-outline {
  background-color: transparent;
  color: var(--teal);
  border-color: var(--teal);
}

.btn-outline:hover {
  background-color: var(--teal);
  color: #FFFFFF;
}

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

.btn-ghost:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  padding-left: 12px;
  position: relative;
  margin-bottom: 8px;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  border-radius: 2px;
  background-color: var(--orange);
}

.section-lead,
.section-desc,
.section-intro,
.section-note,
.filters-note,
.table-note {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.8;
}

.section-head {
  margin-bottom: 16px;
}

.section-head .section-title {
  margin-bottom: 6px;
}

.next-pages {
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px dashed var(--line);
}

.next-pages > h2 {
  font-size: 18px;
  margin-bottom: 14px;
}

.next-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.next-item {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  transition: border-color 160ms ease, transform 160ms ease;
}

.next-item:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.next-item a,
.next-link {
  display: inline-block;
  font-size: 15px;
  font-weight: 700;
  color: var(--teal);
  margin-bottom: 4px;
}

.next-item a:hover,
.next-link:hover {
  color: var(--orange);
}

.next-desc {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* 图片容器统一约束 */
.hero-figure,
.feature-cover,
.zone-figure,
.chip-media,
.media-figure,
.media-frame,
.guide-figure,
.feature-card-media {
  overflow: hidden;
  border-radius: var(--radius);
  background-color: #EDE7D9;
}

.hero-figure img,
.feature-cover img,
.zone-figure img,
.chip-media img,
.media-figure img,
.media-frame img,
.guide-figure img,
.feature-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   pages：首页
   -------------------------------------------------------------------------- */
.home-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 32px 24px 64px;
  display: flex;
  flex-direction: column;
  gap: 56px;
}

/* 首屏操作面 */
.hero {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: var(--gap);
  align-items: start;
}

.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

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

.hero-caption {
  font-size: 12px;
  color: var(--ink-soft);
  padding: 8px 2px 0;
  font-family: var(--mono);
  letter-spacing: 0.04em;
}

.hero-visual h1 {
  font-size: 34px;
  line-height: 1.32;
  color: var(--teal);
}

.hero-lead {
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.85;
}

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

.hero-panel {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
}

.panel-title {
  font-size: 18px;
  color: var(--teal);
  margin-bottom: 6px;
}

.panel-lead {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 16px;
}

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

.panel-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.panel-item:first-child {
  padding-top: 0;
  border-top: 0;
}

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

.panel-link {
  display: inline-block;
  font-size: 15px;
  font-weight: 700;
  color: var(--teal);
  margin-bottom: 2px;
}

.panel-link:hover {
  color: var(--orange);
}

.panel-desc {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* 浏览区 */
.browse {
  display: grid;
  grid-template-columns: 7fr 4fr;
  gap: var(--gap);
  align-items: start;
}

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

.tag-strip {
  margin: 14px 0 20px;
}

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

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 4px;
  border: 1px solid var(--blue);
  background-color: var(--card);
  color: var(--blue);
  font-size: 13px;
  white-space: nowrap;
}

.tag:hover,
.tag:focus-visible {
  background-color: var(--teal);
  border-color: var(--teal);
  color: #FFFFFF;
}

.tag-all {
  border-color: var(--orange);
  color: var(--orange);
}

.tag-all:hover {
  background-color: var(--orange);
  border-color: var(--orange);
  color: #FFFFFF;
}

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

.entry-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 108px auto;
  gap: 12px;
  align-items: center;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line);
  transition: border-color 160ms ease, transform 160ms ease;
}

.entry-row:hover {
  border-bottom-color: var(--orange);
  transform: translateY(-2px);
}

.entry-no {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--orange);
  letter-spacing: 0.06em;
}

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

.entry-title {
  display: inline-block;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.5;
}

.entry-title:hover {
  color: var(--teal);
}

.entry-hint {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.entry-fit {
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.entry-zone {
  font-size: 12px;
  color: var(--blue);
  border: 1px solid var(--blue);
  border-radius: 4px;
  padding: 2px 8px;
  white-space: nowrap;
}

.entry-zone:hover {
  background-color: var(--blue);
  color: #FFFFFF;
}

/* 首页侧记 */
.browse-aside {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
}

.aside-title {
  font-size: 18px;
  color: var(--teal);
  margin-bottom: 6px;
}

.aside-lead {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 16px;
}

.note-card {
  padding: 14px 0;
  border-top: 1px dashed var(--line);
}

.note-card:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.note-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--orange);
  margin-bottom: 6px;
}

.note-title {
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 6px;
}

.note-text {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.75;
  margin-bottom: 8px;
}

.note-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--teal);
}

.note-link:hover {
  color: var(--orange);
}

/* 路线榜单 */
.ranking-list {
  display: flex;
  flex-direction: column;
  margin-top: 12px;
  border-top: 1px solid var(--line);
}

.ranking-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1.2fr) minmax(0, 2fr) auto;
  gap: 14px;
  align-items: center;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line);
  transition: border-color 160ms ease, transform 160ms ease;
}

.ranking-row:hover {
  border-bottom-color: var(--orange);
  transform: translateY(-2px);
}

.ranking-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.ranking-name:hover {
  color: var(--teal);
}

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

.ranking-zone {
  font-size: 12px;
  color: var(--blue);
  white-space: nowrap;
}

/* 作品专题三卡 */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 16px;
}

.feature-card {
  display: flex;
  flex-direction: column;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 160ms ease, transform 160ms ease;
}

.feature-card:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.feature-cover {
  aspect-ratio: 3 / 4;
  border-radius: 0;
}

.feature-name {
  font-size: 16px;
  color: var(--ink);
  padding: 14px 16px 6px;
}

.feature-scope {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.75;
  padding: 0 16px 10px;
  flex: 1;
}

.feature-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  font-size: 13px;
  font-weight: 700;
  color: var(--teal);
  border-top: 1px solid var(--line);
}

.feature-link:hover {
  color: var(--orange);
}

/* 公告与说明 */
.notice-bar {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 14px;
  color: var(--ink);
  margin: 14px 0 18px;
}

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

.notice-summary {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 4px 2px;
  font-size: 15px;
  font-weight: 700;
  color: var(--teal);
  cursor: pointer;
  list-style: none;
}

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

.notice-summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  margin-right: 10px;
  border-radius: 3px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  color: var(--orange);
  font-family: var(--mono);
  font-size: 13px;
  flex-shrink: 0;
}

.notice-item[open] .notice-summary::before {
  content: "−";
}

.notice-body {
  padding: 0 2px 16px 32px;
}

.notice-body p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.85;
  margin-bottom: 8px;
}

.notice-body p:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   pages：内页通用布局
   -------------------------------------------------------------------------- */
.page-head {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 32px;
}

.page-head-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-lead {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.8;
  flex: 1 1 320px;
  min-width: 0;
}

.page-column-name,
.page-scope,
.page-head-meta {
  font-size: 13px;
  color: var(--ink-soft);
  flex: 1 1 100%;
}

.page-head-main {
  flex: 1 1 320px;
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-head-side {
  flex: 0 0 auto;
  border-left: 2px solid var(--orange);
  padding-left: 12px;
}

.page-head-label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.page-head-value {
  font-size: 13px;
  color: var(--ink);
}

.page-head-aside {
  font-size: 13px;
  color: var(--ink-soft);
  flex: 1 1 100%;
}

.page-layout,
.layout-shell {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  gap: var(--gap);
  align-items: start;
}

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

.content-aside,
.hints {
  min-width: 0;
}

/* 阅读地图 */
.zones {
  margin-bottom: 36px;
}

.zone-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 16px;
}

.zone-card {
  display: flex;
  flex-direction: column;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 160ms ease, transform 160ms ease;
}

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

.zone-figure {
  aspect-ratio: 16 / 9;
  border-radius: 0;
}

.zone-body {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.zone-no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.zone-name {
  font-size: 16px;
  color: var(--ink);
}

.zone-points {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.75;
}

.zone-reader {
  font-size: 12px;
  color: var(--blue);
}

.zone-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 13px;
  font-weight: 700;
  color: var(--teal);
  margin-top: auto;
}

.zone-link:hover {
  color: var(--orange);
}

.route-usage {
  border-top: 1px dashed var(--line);
  padding-top: 24px;
}

.usage-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 14px;
}

.usage-step {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.usage-no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
  margin-bottom: 4px;
}

.usage-name {
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 4px;
}

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

.hints {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
}

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

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

.hint-name {
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 4px;
}

.hint-text {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.75;
  margin-bottom: 4px;
}

.hint-more {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 13px;
  font-weight: 700;
  color: var(--teal);
}

.hint-more:hover {
  color: var(--orange);
}

/* 最近更新 */
.batch-section {
  margin-bottom: 40px;
}

.batch-section .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  border-bottom: 2px solid var(--teal);
  padding-bottom: 10px;
}

.batch-section .section-head h2 {
  font-size: 20px;
  color: var(--teal);
}

.batch-section .section-head .section-note {
  flex: 1 1 100%;
}

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

.entry-body .entry-title {
  font-size: 15px;
}

.entry-tag {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  border: 1px solid var(--line);
  background-color: var(--paper);
  color: var(--ink-soft);
  white-space: nowrap;
}

.entry-tag-note {
  border-color: var(--blue);
  color: var(--blue);
}

.entry-tag-edit {
  border-color: var(--orange);
  color: var(--orange);
}

.batch-section .entry-row {
  grid-template-columns: 40px minmax(0, 1fr) 112px auto auto;
}

.related-features {
  margin-top: 8px;
}

.related-features .section-head {
  margin-bottom: 14px;
}

.related-features .section-head h2 {
  font-size: 20px;
  color: var(--ink);
  padding-left: 12px;
  position: relative;
}

.related-features .section-head h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  border-radius: 2px;
  background-color: var(--orange);
}

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

.feature-chip {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 160ms ease, transform 160ms ease;
}

.feature-chip:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.chip-media {
  aspect-ratio: 3 / 2;
  border-radius: 0;
}

.feature-chip h3 {
  font-size: 15px;
  padding: 12px 14px 4px;
}

.feature-chip h3 a {
  color: var(--ink);
}

.feature-chip h3 a:hover {
  color: var(--teal);
}

.chip-scope {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.7;
  padding: 0 14px 14px;
}

/* 作品专题 */
.feature-list {
  margin-bottom: 40px;
}

.feature-list > h2,
.order-tips > h2,
.next-pages > h2,
.related-links-label {
  font-size: 20px;
  color: var(--ink);
  padding-left: 12px;
  position: relative;
  margin-bottom: 8px;
}

.feature-list > h2::before,
.order-tips > h2::before,
.next-pages > h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  border-radius: 2px;
  background-color: var(--orange);
}

.feature-stack {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-top: 18px;
}

.feature-stack .feature-card {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 0;
  align-items: stretch;
}

.feature-card-media {
  border-radius: 0;
  min-height: 100%;
}

.feature-stack .feature-cover {
  height: 100%;
  min-height: 220px;
  aspect-ratio: auto;
}

.feature-cover figcaption {
  font-size: 12px;
  color: var(--ink-soft);
  padding: 8px 12px;
  background-color: var(--paper);
  border-top: 1px solid var(--line);
}

.feature-card-body {
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.feature-card-body h3 {
  font-size: 18px;
  color: var(--ink);
}

.feature-card-body .feature-scope,
.feature-card-body .feature-basis {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.8;
  padding: 0;
}

.feature-card-body strong {
  color: var(--ink);
  font-weight: 700;
}

.link-more {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  font-weight: 700;
  color: var(--teal);
  margin-top: auto;
}

.link-more:hover {
  color: var(--orange);
}

.order-tips {
  margin-bottom: 40px;
}

.order-steps {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 16px;
}

.order-step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}

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

.order-step-body h3 {
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 4px;
}

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

.next-pages-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 14px;
}

.next-page-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  transition: border-color 160ms ease, transform 160ms ease;
}

.next-page-card:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.next-page-label,
.next-page-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--teal);
}

.next-page-card p,
.next-page-desc {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
}

.related-links-label {
  font-size: 14px;
  color: var(--ink-soft);
  padding-left: 0;
  margin-bottom: 0;
}

.related-links-label::before {
  display: none;
}

.related-links-item {
  font-size: 14px;
  font-weight: 700;
  color: var(--teal);
}

.related-links-item:hover {
  color: var(--orange);
}

/* 角色观察 */
.angles .breadcrumb {
  margin-bottom: 14px;
}

.angles > h2,
.method > h2,
.next-pages > h2 {
  font-size: 20px;
  color: var(--ink);
  margin-bottom: 6px;
}

.angles > h2 {
  padding-left: 12px;
  position: relative;
}

.angles > h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  border-radius: 2px;
  background-color: var(--orange);
}

.media-figure {
  aspect-ratio: 16 / 7;
  margin: 18px 0 26px;
  border: 1px solid var(--line);
}

.media-figure figcaption {
  font-size: 12px;
  color: var(--ink-soft);
  padding: 8px 12px;
  background-color: var(--paper);
  border-top: 1px solid var(--line);
}

.angle-group {
  margin-bottom: 28px;
}

.angle-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.angle-group-head h3 {
  font-size: 17px;
  color: var(--teal);
}

.angle-group-desc {
  flex: 1 1 100%;
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.75;
}

.record-block {
  padding: 16px 0;
  border-bottom: 1px dashed var(--line);
}

.record-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--orange);
  margin-bottom: 6px;
}

.record-block p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.85;
  margin-bottom: 8px;
}

.record-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--teal);
}

.record-link:hover {
  color: var(--orange);
}

.method {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
}

.method > h2 {
  color: var(--teal);
  margin-bottom: 10px;
}

.method-block {
  padding: 12px 0;
  border-top: 1px dashed var(--line);
}

.method-block:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.method-block h3 {
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 4px;
}

.method-block p {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.75;
  margin-bottom: 4px;
}

.method-note {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--blue);
  background-color: var(--paper);
}

.method-note-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 4px;
}

.method-note p {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.75;
}

.aside-links {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

.aside-links a {
  display: flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  color: var(--teal);
  border-bottom: 1px solid transparent;
}

.aside-links a:hover {
  color: var(--orange);
}

.next-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 14px;
}

.next-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  transition: border-color 160ms ease, transform 160ms ease;
}

.next-card:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.next-card-label {
  font-size: 15px;
  font-weight: 700;
  color: var(--teal);
}

.next-card-desc {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* 内容归档 */
.archive-intro {
  display: grid;
  grid-template-columns: 4fr 7fr;
  gap: var(--gap);
  align-items: center;
  margin-bottom: 36px;
}

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

.media-frame {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
}

.media-caption {
  font-size: 12px;
  color: var(--ink-soft);
  padding: 8px 12px;
  background-color: var(--paper);
  border-top: 1px solid var(--line);
}

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

.intro-text h2 {
  font-size: 20px;
  color: var(--ink);
  padding-left: 12px;
  position: relative;
  margin-bottom: 10px;
}

.intro-text h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  border-radius: 2px;
  background-color: var(--orange);
}

.intro-text p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.85;
  margin-bottom: 10px;
}

.archive-filters {
  margin-bottom: 28px;
}

.archive-filters > h2 {
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 6px;
}

.archive-filters .tag-strip {
  margin: 12px 0 0;
}

.archive-filters .tag-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-item {
  display: block;
}

.tag-link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 4px;
  border: 1px solid var(--blue);
  background-color: var(--card);
  color: var(--blue);
  font-size: 13px;
  white-space: nowrap;
}

.tag-link:hover,
.tag-link:focus-visible {
  background-color: var(--teal);
  border-color: var(--teal);
  color: #FFFFFF;
}

.tag-item.is-all .tag-link {
  border-color: var(--orange);
  color: var(--orange);
}

.tag-item.is-all .tag-link:hover {
  background-color: var(--orange);
  color: #FFFFFF;
}

.archive-table-block {
  margin-bottom: 32px;
}

.archive-table-block > h2 {
  font-size: 20px;
  color: var(--ink);
  padding-left: 12px;
  position: relative;
  margin-bottom: 6px;
}

.archive-table-block > h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  border-radius: 2px;
  background-color: var(--orange);
}

.batch-table {
  width: 100%;
  margin-top: 14px;
  border-collapse: collapse;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 14px;
}

.batch-table thead th {
  background-color: var(--teal);
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 700;
  text-align: left;
  padding: 12px 14px;
  white-space: nowrap;
}

.batch-table tbody th,
.batch-table tbody td {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
  color: var(--ink-soft);
}

.batch-table tbody th {
  width: 96px;
  font-weight: 400;
}

.batch-table tbody tr:hover td,
.batch-table tbody tr:hover th {
  background-color: #FBF8F0;
}

.entry-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--teal);
  white-space: nowrap;
}

.entry-link:hover {
  color: var(--orange);
}

.archive-scope {
  border-top: 1px dashed var(--line);
  padding-top: 24px;
}

.archive-scope > h2 {
  font-size: 20px;
  color: var(--ink);
  margin-bottom: 10px;
}

.scope-body p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.85;
  margin-bottom: 12px;
}

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

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

.scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background-color: var(--orange);
}

.scope-list strong {
  color: var(--ink);
  font-weight: 700;
}

/* 阅读说明 */
.guide-section {
  margin-bottom: 40px;
}

.guide-section > h2 {
  font-size: 20px;
  color: var(--ink);
  padding-left: 12px;
  position: relative;
  margin-bottom: 8px;
}

.guide-section > h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  border-radius: 2px;
  background-color: var(--orange);
}

.guide-role-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 16px 0 22px;
}

.guide-role-card {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 15px;
}

.guide-role-card h3 {
  font-size: 15px;
  color: var(--ink);
  margin: 8px 0 4px;
}

.guide-role-card p {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.75;
}

.guide-figure {
  aspect-ratio: 16 / 7;
  border: 1px solid var(--line);
  margin-bottom: 22px;
}

.guide-figure figcaption {
  font-size: 12px;
  color: var(--ink-soft);
  padding: 8px 12px;
  background-color: var(--paper);
  border-top: 1px solid var(--line);
}

.guide-read-rule {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.guide-read-rule h3 {
  font-size: 15px;
  color: var(--teal);
  margin-bottom: 8px;
}

.guide-rule-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.guide-rule-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background-color: var(--blue);
}

.feedback-steps {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 16px;
}

.feedback-step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}

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

.feedback-step-body h3 {
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 4px;
}

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

.guide-boundary > p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.85;
  margin-bottom: 12px;
}

.guide-boundary-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}

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

.guide-boundary-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background-color: var(--orange);
}

.guide-boundary-note {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.85;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--blue);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.guide-boundary-note a {
  color: var(--teal);
  font-weight: 700;
  margin-right: 12px;
}

.guide-boundary-note a:hover {
  color: var(--orange);
}

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

.faq-item summary {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 4px 2px;
  font-size: 15px;
  font-weight: 700;
  color: var(--teal);
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  margin-right: 10px;
  border-radius: 3px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  color: var(--orange);
  font-family: var(--mono);
  font-size: 13px;
  flex-shrink: 0;
}

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

.faq-answer {
  padding: 0 2px 16px 32px;
}

.faq-answer p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.85;
}

.page-aside {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
}

.aside-block {
  padding: 14px 0;
  border-top: 1px dashed var(--line);
}

.aside-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.aside-block .aside-title {
  font-size: 15px;
  color: var(--teal);
  margin-bottom: 8px;
}

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

.aside-link-list li a {
  display: flex;
  align-items: center;
  min-height: 40px;
  font-size: 14px;
  color: var(--teal);
}

.aside-link-list li a:hover {
  color: var(--orange);
}

.aside-note p {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.75;
}

.next-pages-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 14px;
}

/* 404 */
.error-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 64px 24px 80px;
}

.error-panel {
  max-width: 620px;
  margin: 0 auto;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 30px;
  text-align: left;
}

.error-code {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 10px;
  border-radius: 4px;
  background-color: var(--orange);
  color: #FFFFFF;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}

.error-title {
  font-size: 26px;
  color: var(--teal);
  margin-bottom: 10px;
}

.error-lead {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.85;
  margin-bottom: 8px;
}

.error-hint {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.75;
  margin-bottom: 20px;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.error-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

.error-links a {
  font-size: 14px;
  font-weight: 700;
  color: var(--teal);
}

.error-links a:hover {
  color: var(--orange);
}

/* 轻量进入动效（不影响初始可见性） */
@media (prefers-reduced-motion: no-preference) {
  .feature-card,
  .zone-card,
  .entry-row,
  .ranking-row,
  .next-item,
  .next-card,
  .next-page-card {
    will-change: transform;
  }
}

/* --------------------------------------------------------------------------
   responsive：1024px 与 720px 断点
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  :root {
    --gap: 28px;
  }

  .hero {
    grid-template-columns: 6fr 5fr;
  }

  .browse {
    grid-template-columns: 7fr 5fr;
  }

  .page-layout,
  .layout-shell {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

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

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

  .feature-stack .feature-card {
    grid-template-columns: 5fr 7fr;
  }

  .archive-intro {
    grid-template-columns: 5fr 7fr;
  }

  .nav-item a {
    padding: 0 9px;
    font-size: 14px;
  }
}

@media (max-width: 720px) {
  body.site-body {
    font-size: 15px;
    line-height: 1.8;
  }

  .header-inner {
    min-height: 60px;
    padding: 0 16px;
    gap: 12px;
    flex-wrap: wrap;
  }

  .brand-name {
    font-size: 15px;
    white-space: normal;
  }

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

  .primary-nav {
    flex: 1 0 100%;
    margin-left: 0;
    order: 3;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 6px 0 12px;
    border-top: 1px solid var(--line);
  }

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

  .nav-item a {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 0 4px;
    font-size: 15px;
    border-bottom: 1px solid var(--line);
  }

  .nav-item.is-current a {
    border-bottom-color: var(--orange);
  }

  .home-main,
  .inner-main {
    padding: 20px 16px 48px;
  }

  .home-main {
    gap: 40px;
  }

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

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

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

  .hero-actions {
    gap: 10px;
  }

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

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

  .tag-list {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }

  .entry-row {
    grid-template-columns: 32px minmax(0, 1fr);
    grid-template-areas:
      "no main"
      "fit fit"
      "zone zone";
    gap: 6px 10px;
    align-items: start;
    padding: 14px 2px;
  }

  .entry-row .entry-no {
    grid-area: no;
  }

  .entry-row .entry-main,
  .entry-row .entry-body {
    grid-area: main;
  }

  .entry-row .entry-fit {
    grid-area: fit;
    padding-left: 42px;
  }

  .entry-row .entry-zone {
    grid-area: zone;
    justify-self: start;
    margin-left: 42px;
  }

  .entry-row .entry-tag {
    justify-self: start;
    margin-left: 42px;
  }

  .batch-section .entry-row {
    grid-template-columns: 32px minmax(0, 1fr);
    grid-template-areas:
      "no main"
      "fit fit"
      "zone zone"
      "tag tag";
  }

  .batch-section .entry-row .entry-tag {
    grid-area: tag;
  }

  .ranking-row {
    grid-template-columns: 34px minmax(0, 1fr);
    grid-template-areas:
      "badge name"
      "reason reason"
      "zone zone";
    gap: 6px 10px;
    align-items: start;
  }

  .ranking-row .route-badge {
    grid-area: badge;
  }

  .ranking-row .ranking-name {
    grid-area: name;
  }

  .ranking-row .ranking-reason {
    grid-area: reason;
    padding-left: 44px;
  }

  .ranking-row .ranking-zone {
    grid-area: zone;
    padding-left: 44px;
  }

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

  .feature-cover {
    aspect-ratio: 3 / 2;
  }

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

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

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

  .page-head {
    padding: 14px 16px;
    margin-bottom: 22px;
  }

  .page-head-side {
    border-left: 0;
    border-top: 2px solid var(--orange);
    padding-left: 0;
    padding-top: 8px;
    flex: 1 1 100%;
  }

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

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

  .feature-stack {
    gap: 22px;
  }

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

  .feature-stack .feature-cover {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

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

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

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

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

  .batch-table thead {
    display: none;
  }

  .batch-table {
    border: 0;
    background-color: transparent;
  }

  .batch-table tbody tr {
    background-color: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 12px 14px;
    margin-bottom: 12px;
  }

  .batch-table tbody th,
  .batch-table tbody td {
    border-top: 0;
    padding: 4px 0;
    font-size: 13px;
  }

  .batch-table tbody th {
    width: auto;
    padding-bottom: 8px;
  }

  .batch-table tbody td::before {
    content: attr(data-label);
    display: inline-block;
    min-width: 72px;
    color: var(--ink);
    font-weight: 700;
  }

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

  .guide-figure,
  .media-figure {
    aspect-ratio: 16 / 9;
  }

  .order-step,
  .feedback-step {
    padding: 14px 15px;
  }

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

  .error-panel {
    padding: 26px 20px;
  }

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

  .footer-inner {
    padding: 26px 16px 24px;
  }

  .footer-top {
    flex-direction: column;
    gap: 6px;
  }

  .footer-nav {
    gap: 4px 16px;
  }

  .footer-nav a {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
  }
}