/* ==========================================================================
   天美麻花果冻 · 全站样式
   base → layout → components → pages → responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base
   -------------------------------------------------------------------------- */
:root {
  --bg: #fbf8f3;
  --surface: #ffffff;
  --ink: #1f2426;
  --ink-soft: #5b6467;
  --accent: #e8663c;
  --accent-dark: #cf5329;
  --teal: #2c7a6f;
  --line: #e7dfd3;
  --line-soft: #f0e9de;
  --tag-life: #f3c9b7;
  --tag-human: #cfe3dc;
  --tag-experiment: #e8d9a8;
  --tag-backstage: #d8d2e8;
  --radius: 8px;
  --radius-sm: 6px;
  --shadow: 0 1px 2px rgba(31, 36, 38, 0.04), 0 6px 18px rgba(31, 36, 38, 0.05);
  --container: 1180px;
}

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

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

body.site-body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 17px;
  line-height: 1.75;
  font-weight: 400;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 650;
  line-height: 1.35;
  color: var(--ink);
}

p {
  margin: 0;
}

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

a {
  color: var(--teal);
  text-decoration: none;
  transition: color 0.18s ease;
}

a:hover {
  color: var(--accent-dark);
}

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

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

figure {
  margin: 0;
}

dl, dt, dd {
  margin: 0;
}

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

/* --------------------------------------------------------------------------
   layout · 全站骨架
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(251, 248, 243, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand-logo {
  flex: 0 0 auto;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.brand-logo:hover {
  color: var(--accent-dark);
}

.main-nav.site-nav {
  flex: 1 1 auto;
  min-width: 0;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 20px;
}

.nav-list li {
  list-style: none;
}

.nav-link {
  display: inline-block;
  padding: 8px 2px;
  font-size: 15px;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
  line-height: 1.4;
}

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

.nav-link.is-current {
  color: var(--ink);
  font-weight: 650;
  border-bottom-color: var(--accent);
}

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

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
}

.mobile-drawer {
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.mobile-drawer[hidden] {
  display: none;
}

.drawer-nav {
  max-width: var(--container);
  margin: 0 auto;
  padding: 12px 24px 20px;
}

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

.drawer-link {
  display: block;
  padding: 12px 4px;
  font-size: 16px;
  color: var(--ink);
  border-bottom: 1px solid var(--line-soft);
}

.drawer-link:hover {
  color: var(--accent-dark);
}

.drawer-link.is-active {
  color: var(--accent-dark);
  font-weight: 650;
}

.drawer-note {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.drawer-note a {
  margin-right: 10px;
  white-space: nowrap;
}

.site-main {
  display: block;
}

.home-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

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

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 20px 0 4px;
  font-size: 13px;
  color: var(--ink-soft);
}

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

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

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

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

.page-header {
  padding: 10px 0 26px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 36px;
}

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

/* 内页正文统一基础 */
.page-container {
  display: block;
}

.page-lead,
.page-intro,
.intro-lead {
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink);
  max-width: 820px;
}

.page-meta,
.page-meta-line,
.intro-meta {
  margin-top: 10px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.section-title {
  font-size: 26px;
  font-weight: 650;
  color: var(--ink);
  margin-bottom: 10px;
}

.section-sub,
.section-intro,
.section-subtitle,
.section-desc {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.75;
  max-width: 840px;
}

.section-head {
  margin-bottom: 22px;
}

.section-head .section-desc {
  margin-top: 8px;
}

/* 通用按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.3;
  border: 1px solid transparent;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #ffffff;
}

.btn-secondary {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line);
}

.btn-secondary:hover {
  border-color: var(--teal);
  color: var(--teal);
}

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

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

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

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

/* --------------------------------------------------------------------------
   components · 页脚
   -------------------------------------------------------------------------- */
.site-footer {
  background: #f3eee5;
  border-top: 1px solid var(--line);
  color: var(--ink);
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 52px 24px 30px;
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 32px 28px;
}

.footer-brand-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
}

.footer-brand-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
  max-width: 280px;
}

.footer-col-title {
  font-size: 14px;
  font-weight: 650;
  color: var(--ink);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.footer-links a:hover {
  color: var(--accent-dark);
}

.footer-principles {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.footer-principles a {
  color: var(--teal);
}

.footer-bottom {
  max-width: var(--container);
  margin: 0 auto;
  padding: 20px 24px 32px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
}

.footer-note,
.footer-copy {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
  max-width: 760px;
}

.footer-home-link {
  color: var(--teal);
  font-weight: 650;
}

/* --------------------------------------------------------------------------
   pages · 首页
   -------------------------------------------------------------------------- */
.hero-section {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 44px;
  align-items: center;
  padding: 44px 0 52px;
}

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

.hero-tag {
  display: inline-block;
  padding: 5px 12px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--teal);
  background: #eef5f3;
  border: 1px solid #d6e7e2;
  border-radius: 999px;
  letter-spacing: 0.02em;
}

.hero-copy h1 {
  font-size: 38px;
  font-weight: 700;
  line-height: 1.28;
  color: var(--ink);
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 540px;
}

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

.hero-rule {
  margin-top: 18px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
  padding-left: 14px;
  border-left: 3px solid var(--tag-experiment);
}

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

.hero-visual img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--line-soft);
}

.hero-visual figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.65;
}

/* 近期专题流 */
.recent-flow {
  padding: 12px 0 56px;
}

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

.video-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.video-card:hover {
  border-color: #d9cebe;
  box-shadow: 0 2px 4px rgba(31, 36, 38, 0.05), 0 10px 24px rgba(31, 36, 38, 0.07);
}

.video-card-featured {
  grid-column: 1 / -1;
}

.video-card-link {
  display: grid;
  grid-template-columns: 1fr;
  color: inherit;
}

.video-card-featured .video-card-link {
  grid-template-columns: 340px minmax(0, 1fr);
}

.video-card-media {
  min-width: 0;
}

.video-card-media img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--line-soft);
}

.video-card-featured .video-card-media img {
  height: 100%;
  min-height: 240px;
}

.video-card-body {
  padding: 20px 22px 22px;
  min-width: 0;
}

.video-card-title {
  font-size: 20px;
  font-weight: 650;
  color: var(--ink);
  margin-bottom: 8px;
}

.video-card-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.field-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.field-strip .field-item {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: 13px;
}

.field-strip .field-label {
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

.field-strip .field-value {
  color: var(--ink);
  font-weight: 650;
}

/* 题材样本带 */
.genre-strip {
  padding: 12px 0 56px;
}

.genre-list {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
}

.genre-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 14px 14px;
  display: flex;
  flex-direction: column;
  min-width: 0;
  border-top: 4px solid var(--line);
}

.genre-item.genre-life { border-top-color: var(--tag-life); }
.genre-item.genre-human { border-top-color: var(--tag-human); }
.genre-item.genre-experiment { border-top-color: var(--tag-experiment); }
.genre-item.genre-backstage { border-top-color: var(--tag-backstage); }
.genre-item.genre-nature { border-top-color: #b8d8c8; }
.genre-item.genre-talk { border-top-color: #f0cfa8; }

.genre-name {
  font-size: 16px;
  font-weight: 650;
  color: var(--ink);
  margin-bottom: 8px;
}

.genre-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
  flex: 1 1 auto;
}

.genre-link {
  margin-top: 12px;
  font-size: 13px;
  font-weight: 650;
  color: var(--teal);
}

.genre-link::after {
  content: " →";
}

/* 混合专题列表 */
.topic-list {
  padding: 12px 0 56px;
}

.topic-feature {
  display: grid;
  grid-template-columns: 380px minmax(0, 1fr);
  gap: 28px;
  align-items: stretch;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

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

.topic-feature-media img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--line-soft);
}

.topic-feature-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topic-feature-title {
  font-size: 22px;
  font-weight: 650;
  margin-bottom: 10px;
}

.topic-feature-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.topic-feature-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 16px 0;
  padding: 12px 0;
  border-top: 1px dashed var(--line);
  border-bottom: 1px dashed var(--line);
}

.topic-feature-fields li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: 13px;
}

.topic-feature-fields .field-label {
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

.topic-feature-fields .field-value {
  color: var(--ink);
  font-weight: 650;
}

.topic-feature-link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 14px;
  font-weight: 650;
  color: var(--teal);
}

.topic-feature-link::after {
  content: " →";
}

.topic-rows {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.topic-row {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.4fr) auto;
  gap: 8px 24px;
  align-items: center;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line-soft);
}

.topic-row:last-child {
  border-bottom: none;
}

.topic-row-title {
  font-size: 16px;
  font-weight: 650;
  color: var(--ink);
}

.topic-row-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  font-size: 13px;
  color: var(--ink-soft);
}

.topic-row-meta .field-label {
  letter-spacing: 0.04em;
}

.topic-row-meta .field-value {
  color: var(--ink);
  font-weight: 650;
}

.topic-row-link {
  font-size: 13px;
  font-weight: 650;
  color: var(--teal);
  white-space: nowrap;
}

.topic-row-link::after {
  content: " →";
}

/* 观看条件字段 */
.condition-fields {
  padding: 12px 0 56px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.field-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
  min-width: 0;
}

.field-card-title {
  font-size: 16px;
  font-weight: 650;
  color: var(--ink);
  margin-bottom: 8px;
}

.field-card-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.field-card-tip {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--teal);
}

/* 入口核验三步 */
.verify-steps {
  padding: 12px 0 56px;
}

.step-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  counter-reset: verify;
}

.step-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px 20px;
  min-width: 0;
}

.step-card .step-num {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: 0.08em;
}

.step-card .step-title {
  font-size: 17px;
  font-weight: 650;
  color: var(--ink);
  margin-bottom: 8px;
}

.step-card .step-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* 术语提示气泡 */
.term-bubbles {
  padding: 12px 0 56px;
}

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

.bubble-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 6px;
  min-width: 0;
}

.bubble-toggle {
  display: block;
  width: 100%;
  text-align: left;
  padding: 14px 14px;
  border: none;
  background: transparent;
  font-size: 15px;
  font-weight: 650;
  color: var(--ink);
  border-radius: var(--radius-sm);
}

.bubble-toggle::after {
  content: "＋";
  float: right;
  font-weight: 400;
  color: var(--teal);
}

.bubble-toggle[aria-expanded="true"]::after {
  content: "－";
}

.bubble-toggle:hover {
  background: #f7f2ea;
}

.bubble-panel {
  padding: 0 14px 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

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

.bubble-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
  font-weight: 650;
  color: var(--teal);
}

/* 反馈边界入口条 */
.feedback-bar {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  padding: 30px 28px;
  margin: 0 0 64px;
  background: #f2f6f4;
  border: 1px solid #d9e7e1;
  border-radius: var(--radius);
}

.feedback-copy .section-title {
  font-size: 22px;
  margin-bottom: 8px;
}

.feedback-copy .section-desc {
  font-size: 14px;
  color: var(--ink-soft);
}

.feedback-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

/* --------------------------------------------------------------------------
   pages · 题材图谱
   -------------------------------------------------------------------------- */
.genre-overview-section,
.genre-focus-section,
.genre-compact-section,
.relation-section {
  padding: 8px 0 52px;
}

.genre-overview-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.genre-overview {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  border-top: 4px solid var(--line);
}

.genre-overview#genre-life { border-top-color: var(--tag-life); }
.genre-overview#genre-humanities { border-top-color: var(--tag-human); }
.genre-overview#genre-experimental { border-top-color: var(--tag-experiment); }
.genre-overview#genre-behind { border-top-color: var(--tag-backstage); }

.genre-overview .genre-name {
  font-size: 17px;
  margin-bottom: 8px;
}

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

.genre-overview .genre-name a:hover {
  color: var(--accent-dark);
}

.genre-focus {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
  flex: 1 1 auto;
}

.genre-fields {
  margin: 14px 0 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 10px;
  font-size: 13px;
}

.genre-fields dt {
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

.genre-fields dd {
  color: var(--ink);
  font-weight: 650;
}

.genre-overview .genre-link {
  margin-top: auto;
}

/* 重点题材图文行 */
.focus-row {
  display: grid;
  grid-template-columns: 380px minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.focus-row:last-child {
  border-bottom: none;
}

.focus-row-reverse {
  grid-template-columns: minmax(0, 1fr) 380px;
}

.focus-row-reverse .focus-media {
  order: 2;
}

.focus-row-reverse .focus-body {
  order: 1;
}

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

.focus-media img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--line-soft);
}

.focus-caption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.6;
}

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

.focus-title {
  font-size: 21px;
  font-weight: 650;
  margin-bottom: 10px;
}

.focus-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.focus-fields {
  margin: 14px 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 12px;
  font-size: 13px;
  padding: 12px 0;
  border-top: 1px dashed var(--line);
  border-bottom: 1px dashed var(--line);
}

.focus-fields dt {
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

.focus-fields dd {
  color: var(--ink);
  font-weight: 650;
}

.focus-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 14px;
  font-weight: 650;
}

/* 紧凑题材条目 */
.genre-compact-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 32px;
  border-top: 1px solid var(--line);
}

.genre-compact-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
  min-width: 0;
}

.compact-name {
  font-size: 16px;
  font-weight: 650;
  margin-bottom: 6px;
}

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

.compact-fields {
  margin-top: 8px;
  font-size: 13px;
  color: var(--teal);
}

.compact-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
  font-weight: 650;
  color: var(--teal);
}

.compact-link::after {
  content: " →";
}

/* 题材与专题关联 */
.relation-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 32px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.relation-copy p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.relation-links {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
  min-width: 0;
}

.relation-links-title {
  font-size: 15px;
  font-weight: 650;
  margin-bottom: 12px;
  color: var(--ink);
}

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

.relation-link-list a {
  font-size: 14px;
  color: var(--teal);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   pages · 专题手记
   -------------------------------------------------------------------------- */
.page-intro {
  margin-bottom: 36px;
}

.topic-compose,
.watch-order,
.related-topics,
.note-boundary,
.topic-footer-links {
  padding: 8px 0 52px;
}

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

.compose-col {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
  min-width: 0;
}

.compose-col-title {
  font-size: 17px;
  font-weight: 650;
  margin-bottom: 10px;
}

.compose-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.compose-check {
  margin-top: 14px;
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--teal);
  background: #f2f6f4;
  border-radius: var(--radius-sm);
}

.order-list {
  display: flex;
  flex-direction: column;
  border-left: 2px solid var(--line);
  padding-left: 24px;
  gap: 20px;
}

.order-step {
  position: relative;
  min-width: 0;
}

.order-step .order-num {
  position: absolute;
  left: -37px;
  top: 2px;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #ffffff;
  background: var(--teal);
  border-radius: 50%;
}

.order-step-title {
  font-size: 16px;
  font-weight: 650;
  margin-bottom: 6px;
}

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

.order-field {
  margin-top: 6px;
  font-size: 13px;
  color: var(--teal);
}

.related-feature {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 26px;
  align-items: stretch;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.related-feature-media {
  min-width: 0;
}

.related-feature-media img {
  width: 100%;
  height: 100%;
  min-height: 210px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--line-soft);
}

.related-feature-caption {
  margin-top: 8px;
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.related-feature-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.related-feature-title {
  font-size: 20px;
  font-weight: 650;
  margin-bottom: 10px;
}

.related-feature-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.related-feature-field {
  margin-top: 12px;
  padding: 10px 0;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  color: var(--teal);
}

.related-feature-link {
  margin-top: auto;
  align-self: flex-start;
  padding-top: 10px;
  font-size: 14px;
  font-weight: 650;
  color: var(--teal);
}

.related-feature-link::after {
  content: " →";
}

.related-compact-list {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 28px;
  border-top: 1px solid var(--line);
}

.related-compact-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
  min-width: 0;
}

.related-compact-title {
  font-size: 16px;
  font-weight: 650;
  margin-bottom: 6px;
}

.related-compact-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.related-compact-field {
  margin-top: 6px;
  font-size: 13px;
  color: var(--teal);
}

.related-compact-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
  font-weight: 650;
  color: var(--teal);
}

.related-compact-link::after {
  content: " →";
}

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

.fact-notes,
.experience-notes {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
  min-width: 0;
}

.fact-notes-title,
.experience-notes-title {
  font-size: 16px;
  font-weight: 650;
  margin-bottom: 12px;
}

.fact-notes-list,
.experience-notes-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: 18px;
  list-style: disc;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.experience-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 650;
  color: var(--teal);
}

.topic-link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.topic-link-list a {
  display: inline-block;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 650;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.topic-link-list a:hover {
  border-color: var(--teal);
  color: var(--teal);
}

/* --------------------------------------------------------------------------
   pages · 观看基础
   -------------------------------------------------------------------------- */
.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 32px;
  align-items: center;
  margin-bottom: 44px;
}

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

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

.page-hero-figure img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--line-soft);
}

.page-hero-figure figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.field-section,
.subtitle-quality-section,
.entry-check-section,
.faq-section {
  padding: 8px 0 52px;
}

.field-section .field-card {
  display: flex;
  flex-direction: column;
}

.field-name {
  font-size: 16px;
  font-weight: 650;
  margin-bottom: 8px;
}

.field-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
  flex: 1 1 auto;
}

.field-check {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--teal);
}

.subtitle-quality-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.subtitle-panel,
.quality-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
  min-width: 0;
}

.panel-title {
  font-size: 17px;
  font-weight: 650;
  margin-bottom: 10px;
}

.subtitle-panel > p,
.quality-panel > p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.panel-list {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-left: 18px;
  list-style: disc;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

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

.entry-step {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
  min-width: 0;
}

.entry-step .step-index {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--teal);
}

.entry-step .step-title {
  font-size: 17px;
  font-weight: 650;
  margin-bottom: 8px;
}

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

.entry-step .step-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  font-weight: 650;
  color: var(--teal);
}

.entry-step .step-link::after {
  content: " →";
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px 18px;
}

.faq-question {
  padding: 14px 30px 14px 0;
  font-size: 16px;
  font-weight: 650;
  color: var(--ink);
  cursor: pointer;
  position: relative;
  list-style: none;
}

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

.faq-question::after {
  content: "＋";
  position: absolute;
  right: 0;
  top: 14px;
  font-weight: 400;
  color: var(--teal);
}

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

.faq-answer {
  padding: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.faq-footnote {
  margin-top: 18px;
  font-size: 14px;
  color: var(--ink-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

/* --------------------------------------------------------------------------
   pages · 浏览路径
   -------------------------------------------------------------------------- */
.page-head {
  margin-bottom: 36px;
}

.path-axis,
.path-entries,
.path-checkpoints,
.path-pitfalls {
  padding: 8px 0 52px;
}

.axis-track {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  position: relative;
}

.axis-node {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 16px;
  min-width: 0;
}

.axis-node .axis-num {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.axis-node .axis-name {
  font-size: 15px;
  font-weight: 650;
  margin-bottom: 6px;
}

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

.path-figure {
  margin: 0 0 44px;
}

.path-figure img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--line-soft);
}

.path-figure figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.entry-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.entry-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
  min-width: 0;
}

.entry-row .entry-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 13px;
  font-weight: 700;
  color: #ffffff;
  background: var(--teal);
  border-radius: 50%;
}

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

.entry-name {
  font-size: 16px;
  font-weight: 650;
  margin-bottom: 4px;
}

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

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

.checkpoint-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
  min-width: 0;
}

.checkpoint-name {
  font-size: 16px;
  font-weight: 650;
  margin-bottom: 8px;
}

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

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

.pitfall-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--tag-experiment);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
}

.pitfall-title {
  font-size: 15px;
  font-weight: 650;
  margin-bottom: 6px;
}

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

/* --------------------------------------------------------------------------
   pages · 术语说明
   -------------------------------------------------------------------------- */
.glossary-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 32px;
  align-items: center;
  margin-bottom: 40px;
}

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

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

.intro-figure img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--line-soft);
}

.intro-figure figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.term-index,
.term-detail,
.term-network {
  padding: 8px 0 52px;
}

.term-index-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.term-chip {
  display: inline-block;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 650;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.term-chip:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.term-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
  margin-bottom: 18px;
  min-width: 0;
}

.term-card-head {
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line-soft);
}

.term-name {
  font-size: 19px;
  font-weight: 650;
  margin-bottom: 6px;
}

.term-def {
  font-size: 15px;
  line-height: 1.75;
  color: var(--teal);
}

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

.term-explain,
.term-example,
.term-related {
  min-width: 0;
}

.term-sub {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.term-explain p,
.term-example p,
.term-related p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

.term-example p a,
.term-related p a {
  font-weight: 650;
}

.term-network-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 28px;
}

.term-links,
.term-tips {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
  min-width: 0;
}

.term-sub-title {
  font-size: 16px;
  font-weight: 650;
  margin-bottom: 12px;
}

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

.term-link-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.term-tip-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: 18px;
  list-style: disc;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.term-back-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 650;
  color: var(--teal);
}

/* --------------------------------------------------------------------------
   pages · 反馈边界
   -------------------------------------------------------------------------- */
.feedback-scope,
.feedback-prepare,
.feedback-path,
.feedback-outside,
.feedback-entries {
  padding: 8px 0 52px;
}

.scope-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.scope-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.scope-name {
  font-size: 16px;
  font-weight: 650;
  margin-bottom: 8px;
}

.scope-case {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
  flex: 1 1 auto;
}

.scope-need {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--teal);
}

.prepare-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  counter-reset: prep;
}

.prepare-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
  min-width: 0;
  counter-increment: prep;
}

.prepare-item::before {
  content: counter(prep, decimal-leading-zero);
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.prepare-name {
  font-size: 16px;
  font-weight: 650;
  margin-bottom: 6px;
}

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

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

.path-step {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
  min-width: 0;
}

.path-step .step-index {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--teal);
}

.path-step .step-name {
  font-size: 17px;
  font-weight: 650;
  margin-bottom: 8px;
}

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

.path-step .step-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  font-weight: 650;
  color: var(--teal);
}

.path-step .step-link::after {
  content: " →";
}

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

.outside-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 20px 18px;
  min-width: 0;
}

.outside-name {
  font-size: 16px;
  font-weight: 650;
  margin-bottom: 6px;
}

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

.outside-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  font-weight: 650;
  color: var(--teal);
}

.outside-link::after {
  content: " →";
}

.feedback-entries {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  padding: 30px 28px;
  background: #f2f6f4;
  border: 1px solid #d9e7e1;
  border-radius: var(--radius);
  margin-bottom: 52px;
}

.feedback-entries .feedback-copy .section-title {
  font-size: 22px;
  margin-bottom: 8px;
}

.feedback-entries .section-desc {
  font-size: 14px;
}

.feedback-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.entry-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
}

.entry-card:hover {
  border-color: var(--teal);
  color: var(--ink);
}

.entry-card .entry-name {
  font-size: 15px;
  font-weight: 650;
  color: var(--teal);
}

.entry-card .entry-desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.entry-card .entry-back {
  font-size: 12px;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages · 404
   -------------------------------------------------------------------------- */
.error-main {
  display: flex;
  justify-content: center;
  padding: 64px 24px 80px;
}

.error-inner {
  width: 100%;
  max-width: 640px;
  text-align: center;
}

.error-code {
  font-size: 64px;
  font-weight: 700;
  color: var(--line);
  line-height: 1;
  margin-bottom: 12px;
}

.error-title {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 26px 0 36px;
}

.error-tips {
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
}

.error-tips-title {
  font-size: 16px;
  font-weight: 650;
  margin-bottom: 12px;
}

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

.error-link-list a {
  font-size: 14px;
  font-weight: 650;
  color: var(--teal);
}

/* --------------------------------------------------------------------------
   responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .header-inner {
    height: 62px;
    gap: 18px;
  }

  .nav-list {
    gap: 4px 14px;
  }

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

  .hero-section {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding: 32px 0 40px;
  }

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

  .hero-visual img {
    height: 300px;
  }

  .genre-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .axis-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .footer-inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (max-width: 900px) {
  .main-nav.site-nav {
    display: none;
  }

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

  .topic-feature,
  .related-feature {
    grid-template-columns: 300px minmax(0, 1fr);
  }

  .focus-row,
  .focus-row-reverse {
    grid-template-columns: 300px minmax(0, 1fr);
  }

  .focus-row-reverse .focus-media {
    order: 0;
  }

  .focus-row-reverse .focus-body {
    order: 0;
  }
}

@media (max-width: 768px) {
  body.site-body {
    font-size: 16px;
  }

  .header-inner {
    padding: 0 16px;
    height: 58px;
  }

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

  .home-main,
  .inner-main {
    padding-left: 16px;
    padding-right: 16px;
  }

  .inner-main {
    padding-bottom: 48px;
  }

  .page-header {
    padding: 8px 0 20px;
    margin-bottom: 28px;
  }

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

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

  .hero-section {
    padding: 24px 0 32px;
  }

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

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

  .hero-visual img {
    height: 220px;
  }

  .recent-flow,
  .genre-strip,
  .topic-list,
  .condition-fields,
  .verify-steps,
  .term-bubbles {
    padding-bottom: 40px;
  }

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

  .video-card-featured .video-card-link {
    grid-template-columns: minmax(0, 1fr);
  }

  .video-card-featured .video-card-media img {
    height: 200px;
    min-height: 0;
  }

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

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

  .topic-feature-media img {
    height: 200px;
    min-height: 0;
  }

  .topic-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    padding: 14px 16px;
  }

  .topic-row-link {
    justify-self: start;
  }

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

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

  .feedback-bar {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
    padding: 22px 18px;
    margin-bottom: 48px;
  }

  .feedback-links {
    justify-content: flex-start;
  }

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

  .focus-row,
  .focus-row-reverse {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .focus-media img {
    height: 200px;
  }

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

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

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

  .related-feature {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    padding: 18px;
  }

  .related-feature-media img {
    height: 200px;
    min-height: 0;
  }

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

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

  .page-hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
    margin-bottom: 32px;
  }

  .page-hero-figure img {
    height: 200px;
  }

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

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

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

  .path-figure img {
    height: 200px;
  }

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

  .glossary-intro {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
    margin-bottom: 30px;
  }

  .intro-figure img {
    height: 180px;
  }

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

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

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

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

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

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

  .feedback-entries {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
    padding: 22px 18px;
  }

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 20px;
    padding: 40px 16px 24px;
  }

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

  .footer-bottom {
    flex-direction: column;
    padding: 18px 16px 28px;
  }

  .error-main {
    padding: 48px 16px 64px;
  }

  .error-code {
    font-size: 52px;
  }

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

@media (max-width: 480px) {
  .hero-actions .btn {
    width: 100%;
  }

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

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

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

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

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

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}