/* ==========================================================================
   樱花视频高清剧场 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base
   -------------------------------------------------------------------------- */

:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1f2933;
  --text-soft: #5b6673;
  --line: #e2e5ea;
  --line-strong: #cfd4db;
  --accent: #2f6f6a;
  --accent-soft: #eaf1f0;
  --notice: #b45309;
  --radius: 6px;
  --radius-sm: 4px;
  --shell: 1080px;
  --gap: 20px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  font-size: 15px;
  line-height: 1.75;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
dd,
figure,
blockquote {
  margin: 0;
}

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

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

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

img {
  display: block;
  max-width: 100%;
  height: auto;
  background: #e9ebee;
}

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

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

/* --------------------------------------------------------------------------
   layout · 全站骨架
   -------------------------------------------------------------------------- */

.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 20px;
  min-height: 64px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.site-brand {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 10px 0;
  color: var(--text);
  text-decoration: none;
}

.site-brand:hover,
.site-brand:focus {
  text-decoration: none;
}

.brand-name {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.brand-slogan {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-soft);
}

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

.nav-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2px;
}

.nav-list li {
  display: flex;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  font-size: 14px;
  color: var(--text-soft);
  border-radius: var(--radius-sm);
  border-bottom: 2px solid transparent;
  text-decoration: none;
}

.nav-list a:hover,
.nav-list a:focus {
  color: var(--text);
  background: var(--accent-soft);
  text-decoration: none;
}

.nav-list a.is-current {
  color: var(--accent);
  font-weight: 600;
  border-bottom-color: var(--accent);
}

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

.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
}

.site-main {
  flex: 1 0 auto;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 28px 20px 48px;
}

.inner-main {
  padding-top: 20px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--text-soft);
  margin-bottom: 14px;
}

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

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

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

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

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

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

.breadcrumb-list li + li::before {
  content: "/";
  color: var(--line-strong);
}

.page-header {
  padding-bottom: 18px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
}

.page-description {
  margin-top: 10px;
  max-width: 860px;
  color: var(--text-soft);
}

.site-footer {
  flex-shrink: 0;
  background: var(--card);
  border-top: 1px solid var(--line);
}

.footer-inner {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 34px 20px 22px;
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 26px 32px;
}

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

.footer-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.footer-desc {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-soft);
}

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

.footer-heading {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.footer-list li + li {
  margin-top: 6px;
}

.footer-list a {
  font-size: 13px;
  color: var(--text-soft);
}

.footer-list a:hover,
.footer-list a:focus {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid var(--line);
}

.copyright {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 14px 20px;
  font-size: 12px;
  color: var(--text-soft);
}

/* --------------------------------------------------------------------------
   components · 通用模块
   -------------------------------------------------------------------------- */

.utility-bar {
  background: #eef0f3;
  border-bottom: 1px solid var(--line);
}

.utility-inner {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 20px;
  min-height: 36px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 18px;
  font-size: 12px;
  color: var(--text-soft);
}

.utility-nav {
  display: flex;
  align-items: center;
  gap: 14px;
}

.utility-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  color: var(--text-soft);
}

.utility-nav a:hover,
.utility-nav a:focus {
  color: var(--accent);
}

.utility-lang {
  color: var(--text-soft);
}

.utility-help {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  color: var(--text-soft);
}

.utility-help:hover,
.utility-help:focus {
  color: var(--accent);
}

.utility-status {
  margin-left: auto;
  color: var(--notice);
}

.section-head {
  margin-bottom: 18px;
}

.section-eyebrow {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-title {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.section-desc,
.section-intro,
.section-lead {
  margin-top: 8px;
  max-width: 860px;
  color: var(--text-soft);
}

.section-note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-soft);
}

.section-more {
  margin-top: 16px;
  font-size: 14px;
}

.section-more a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-weight: 600;
}

.section-foot {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  font-size: 14px;
}

.data-table {
  background: var(--card);
  border: 1px solid var(--line);
  font-size: 14px;
}

.data-table caption {
  caption-side: top;
  padding: 0 0 10px;
  text-align: left;
  font-size: 13px;
  color: var(--text-soft);
}

.data-table th,
.data-table td {
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  line-height: 1.65;
}

.data-table thead th {
  background: #f0f2f4;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid var(--line-strong);
}

.data-table tbody th {
  font-weight: 600;
  color: var(--text);
  width: 22%;
}

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

.data-table a {
  font-weight: 500;
}

.table-scroll,
.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table-scroll .data-table,
.table-wrap .data-table {
  min-width: 560px;
}

.boundary-list {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 6px 18px;
}

.boundary-item {
  position: relative;
  padding: 11px 0 11px 18px;
  color: var(--text-soft);
  border-bottom: 1px solid var(--line);
}

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

.boundary-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.feedback-note {
  margin-top: 20px;
  padding: 16px 18px;
  background: var(--accent-soft);
  border: 1px solid #d5e3e1;
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text);
}

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

/* --------------------------------------------------------------------------
   pages · 首页
   -------------------------------------------------------------------------- */

.home-main {
  padding-top: 26px;
}

.hero-section {
  margin-bottom: 40px;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 28px;
  align-items: start;
}

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

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

.hero-lead {
  margin-top: 12px;
  color: var(--text-soft);
}

.need-list {
  margin-top: 20px;
  border-top: 1px solid var(--line);
}

.need-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.need-text {
  min-width: 0;
  flex: 1 1 auto;
  color: var(--text);
}

.need-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid #d5e3e1;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  text-decoration: none;
}

.need-link:hover,
.need-link:focus {
  background: #dfeae8;
  text-decoration: none;
}

.hero-media {
  min-width: 0;
  margin: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.hero-media figcaption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-soft);
  border-top: 1px solid var(--line);
}

.channels-overview,
.specials-overview,
.fields-summary,
.path-overview,
.updates-section {
  margin-bottom: 40px;
}

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

.channel-row {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.5fr) minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 8px 22px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.channel-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
}

.channel-tone,
.channel-scene,
.channel-special {
  font-size: 14px;
  color: var(--text-soft);
  min-width: 0;
}

.channel-special a {
  font-weight: 500;
}

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

.special-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.special-card .special-media {
  margin: 0;
  border-bottom: 1px solid var(--line);
}

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

.special-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  padding: 14px 16px 0;
}

.special-scope,
.special-channel {
  padding: 6px 16px 0;
  font-size: 14px;
  color: var(--text-soft);
}

.card-link {
  margin: 14px 16px 16px;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  font-size: 13px;
  font-weight: 600;
}

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

.step-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 180px) minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.step-index {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
}

.step-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.step-text {
  font-size: 14px;
  color: var(--text-soft);
  min-width: 0;
}

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

.update-item {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 6px 18px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.update-date {
  font-size: 13px;
  color: var(--text-soft);
  font-variant-numeric: tabular-nums;
}

.update-text {
  font-size: 14px;
  color: var(--text);
  min-width: 0;
}

.update-link {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   pages · 内页
   -------------------------------------------------------------------------- */

.channel-overview,
.channel-scene-map,
.channel-path,
.specials-list,
.specials-channel,
.specials-boundary,
.specials-path,
.content-section,
.guide-scenes,
.guide-map,
.guide-faq,
.guide-log {
  margin-bottom: 38px;
}

/* 题材频道 */

.channel-item {
  display: grid;
  grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  gap: 22px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.channel-item:last-of-type {
  border-bottom: 1px solid var(--line);
}

.channel-media {
  margin: 0;
  min-width: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.channel-media figcaption {
  padding: 9px 12px;
  font-size: 12px;
  color: var(--text-soft);
  border-top: 1px solid var(--line);
}

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

.channel-body .channel-name {
  font-size: 18px;
}

.channel-meta {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 8px 16px;
  font-size: 14px;
}

.channel-meta dt {
  color: var(--text-soft);
  font-weight: 600;
}

.channel-meta dd {
  color: var(--text);
  min-width: 0;
}

.channel-meta dd a {
  font-weight: 500;
}

.scene-table tbody th {
  width: 26%;
}

.path-steps {
  counter-reset: channel-path;
  border-top: 1px solid var(--line);
}

.path-step {
  position: relative;
  padding: 14px 0 14px 44px;
  border-bottom: 1px solid var(--line);
}

.path-step::before {
  counter-increment: channel-path;
  content: counter(channel-path, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 14px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
}

.path-step .step-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.path-step .step-text {
  margin-top: 4px;
  color: var(--text-soft);
}

/* 专题片单 */

.special-block {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: 24px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.special-block:last-of-type {
  border-bottom: 1px solid var(--line);
}

.special-block .special-media {
  min-width: 0;
}

.media-figure {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.media-caption {
  padding: 9px 12px;
  font-size: 12px;
  color: var(--text-soft);
  border-top: 1px solid var(--line);
}

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

.special-body .special-name {
  padding: 0;
  font-size: 18px;
}

.special-meta {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 8px 16px;
  font-size: 14px;
}

.special-meta dt {
  color: var(--text-soft);
  font-weight: 600;
}

.special-meta dd {
  color: var(--text);
  min-width: 0;
}

.special-meta dd a + a {
  margin-left: 12px;
}

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

.path-item {
  position: relative;
  padding: 13px 0 13px 26px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--text-soft);
}

.path-item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 21px;
  width: 8px;
  height: 1px;
  background: var(--accent);
}

/* 条目字段 */

.field-meaning-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 28px;
  border-top: 1px solid var(--line);
}

.field-meaning-item {
  min-width: 0;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.field-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.field-desc {
  margin-top: 4px;
  font-size: 14px;
  color: var(--text-soft);
}

.field-figure {
  margin: 0 0 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.field-figure-caption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-soft);
  border-top: 1px solid var(--line);
}

.field-table tbody th {
  width: 20%;
}

/* 观看指南 */

.scene-block {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.scene-block:last-of-type {
  border-bottom: 1px solid var(--line);
}

.scene-block h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
}

.scene-for {
  margin-top: 6px;
  font-size: 14px;
  color: var(--text-soft);
}

.scene-steps {
  counter-reset: scene-step;
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 24px;
}

.scene-steps li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
  color: var(--text);
  min-width: 0;
}

.scene-steps li::before {
  counter-increment: scene-step;
  content: counter(scene-step) ".";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
  color: var(--accent);
}

.scene-figure {
  margin: 22px 0 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.scene-figure figcaption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-soft);
  border-top: 1px solid var(--line);
}

.guide-map .data-table tbody th {
  width: 22%;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 16px;
}

.faq-item + .faq-item {
  margin-top: 10px;
}

.faq-item summary {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 10px 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  margin-left: auto;
  padding-left: 12px;
  font-size: 18px;
  font-weight: 400;
  color: var(--accent);
}

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

.faq-item p {
  padding: 0 0 14px;
  font-size: 14px;
  color: var(--text-soft);
}

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

.log-item {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 6px 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.log-item time {
  font-size: 13px;
  color: var(--text-soft);
  font-variant-numeric: tabular-nums;
}

.log-text {
  font-size: 14px;
  color: var(--text);
  min-width: 0;
}

.guide-log .feedback-note {
  margin-top: 22px;
}

.guide-log .feedback-note h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.guide-log .feedback-note p {
  margin-top: 6px;
  font-size: 14px;
}

.feedback-steps {
  margin-top: 12px;
  counter-reset: feedback-step;
}

.feedback-steps li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
  color: var(--text);
}

.feedback-steps li + li {
  margin-top: 6px;
}

.feedback-steps li::before {
  counter-increment: feedback-step;
  content: counter(feedback-step) ".";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
  color: var(--accent);
}

.feedback-tail {
  margin-top: 12px;
  font-size: 14px;
}

/* 404 */

.error-main {
  padding-top: 20px;
}

.error-panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: left;
}

.error-code {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.error-panel h1 {
  margin-top: 8px;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
}

.error-text {
  margin-top: 10px;
  max-width: 640px;
  color: var(--text-soft);
}

.error-action {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  margin-top: 18px;
  padding: 0 18px;
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  background: var(--accent);
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.error-action:hover,
.error-action:focus {
  background: #275c58;
  color: #ffffff;
  text-decoration: none;
}

.error-links {
  margin-top: 32px;
}

.error-links h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}

.error-link-list {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 24px;
}

.error-link-list a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text);
  text-decoration: none;
}

.error-link-list a:hover,
.error-link-list a:focus {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   responsive
   -------------------------------------------------------------------------- */

@media (max-width: 900px) {
  .hero-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-media {
    order: 2;
  }

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

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

  .footer-inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (max-width: 768px) {
  .header-inner {
    padding: 0 16px;
    min-height: 58px;
    gap: 0 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    flex-basis: 100%;
    margin-left: 0;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    padding: 6px 0 12px;
    border-top: 1px solid var(--line);
  }

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

  .nav-list li {
    display: block;
  }

  .nav-list a {
    min-height: 46px;
    padding: 0 6px;
    font-size: 15px;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    border-left: 2px solid transparent;
  }

  .nav-list a.is-current {
    border-bottom-color: var(--line);
    border-left-color: var(--accent);
  }

  .site-main {
    padding: 20px 16px 40px;
  }

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

  .section-title {
    font-size: 19px;
  }

  .channel-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

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

  .step-item {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 2px 12px;
  }

  .step-item .step-text {
    grid-column: 2 / -1;
  }

  .update-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

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

  .channel-meta,
  .special-meta {
    grid-template-columns: 84px minmax(0, 1fr);
  }

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

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

  .log-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
    padding: 28px 16px 18px;
  }

  .copyright {
    padding: 12px 16px;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 14px;
  }

  .utility-inner {
    padding: 0 16px;
    gap: 4px 14px;
  }

  .utility-status {
    margin-left: 0;
    flex-basis: 100%;
    padding-bottom: 6px;
  }

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

  .brand-slogan {
    font-size: 11px;
  }

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

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

  .error-panel {
    padding: 24px 18px;
  }

  .error-panel h1 {
    font-size: 22px;
  }

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

  .need-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .need-link {
    min-height: 40px;
  }

  .channel-meta,
  .special-meta {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .channel-meta dt,
  .special-meta dt {
    margin-top: 6px;
  }

  .data-table th,
  .data-table td {
    padding: 9px 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}