/* =========================================================
   飘花电影网官网 · 全站样式
   base / layout / components / pages / responsive
   ========================================================= */

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

:root {
  --ink: #111111;
  --ink-soft: #4a4a4a;
  --ink-mute: #8a8a8a;
  --rule: #d8d8d8;
  --paper: #f5f4f1;
  --paper-card: #ffffff;
  --accent: #7a1f1f;
  --serif: "Songti SC", "SimSun", "Source Han Serif SC", "Noto Serif SC", Georgia, serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --wrap: 1120px;
  --gap: 28px;
}

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

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

body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.75;
}

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

p {
  margin: 0;
}

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

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

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

img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 0;
}

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

button {
  font: inherit;
  color: inherit;
}

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

/* ---------- layout ---------- */

.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
}

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

.header-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 0;
}

.brand-name {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink);
}

.brand-slogan {
  font-size: 12px;
  color: var(--ink-mute);
  line-height: 1.4;
}

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

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

.nav-list > li > a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  font-size: 14px;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
}

.nav-list > li > a:hover,
.nav-list > li > a:focus-visible {
  color: var(--ink);
  text-decoration: none;
  border-bottom-color: var(--rule);
}

.nav-list > li > a.is-current {
  color: var(--ink);
  font-weight: 700;
  border-bottom-color: var(--accent);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 11px 9px;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--paper-card);
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  border-radius: 1px;
}

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

.home-main {
  padding-bottom: 8px;
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--ink-mute);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
}

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

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

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

.page-header {
  padding: 26px 0 22px;
  border-bottom: 1px solid var(--rule);
}

.page-title {
  font-size: 30px;
  line-height: 1.3;
  margin-bottom: 10px;
}

.page-description {
  max-width: 38em;
  color: var(--ink-soft);
  font-size: 15px;
}

.page-description a {
  color: var(--accent);
}

.site-footer {
  margin-top: 40px;
  background: var(--paper-card);
  border-top: 1px solid var(--rule);
}

.footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 36px 24px 26px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
}

.footer-heading {
  font-size: 15px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}

.footer-about,
.footer-text {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  font-size: 13px;
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  min-height: 26px;
}

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

.footer-copyright {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 16px 24px;
  font-size: 12px;
  color: var(--ink-mute);
}

/* ---------- components ---------- */

.section {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 40px 24px 0;
  border-top: 1px solid var(--rule);
}

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

.section-head h2,
.section-title {
  font-size: 22px;
  margin-bottom: 8px;
}

.section-desc,
.section-lead,
.section-intro {
  max-width: 40em;
  color: var(--ink-soft);
  font-size: 14px;
}

.section-more,
.section-note,
.section-foot {
  margin-top: 20px;
  font-size: 14px;
}

.section-more a,
.section-note a,
.section-foot a,
.aside-more a,
.scope-note a {
  color: var(--accent);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1px;
}

.section-more a:hover,
.section-note a:hover,
.section-foot a:hover,
.aside-more a:hover,
.scope-note a:hover {
  text-decoration: none;
  border-bottom-color: var(--accent);
}

.section-media,
.page-figure,
.guide-figure {
  margin: 22px 0 0;
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
  background: var(--paper-card);
}

.section-media img,
.page-figure img,
.guide-figure img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.section-media figcaption,
.page-figure figcaption,
.guide-figure figcaption,
.figure-caption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--ink-mute);
  border-top: 1px solid var(--rule);
}

.step-list {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.step-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  grid-template-areas:
    "index title"
    "index text";
  column-gap: 16px;
  row-gap: 4px;
  padding: 16px 18px;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: 6px;
}

.step-item .step-index {
  grid-area: index;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

.step-item .step-title,
.step-item .step-name {
  grid-area: title;
  font-size: 17px;
}

.step-item .step-text,
.step-item .step-desc {
  grid-area: text;
  color: var(--ink-soft);
  font-size: 14px;
}

.step-item .step-desc a {
  color: var(--accent);
}

/* ---------- pages: index ---------- */

.hero {
  border-bottom: 1px solid var(--rule);
  background: var(--paper-card);
}

.hero-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 46px 24px 40px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.hero-title {
  font-size: 30px;
  line-height: 1.35;
  margin-bottom: 14px;
}

.hero-text {
  max-width: 36em;
  color: var(--ink-soft);
  font-size: 15px;
}

.hero-entries {
  margin-top: 22px;
  display: grid;
  gap: 10px;
}

.hero-entries li {
  border-top: 1px solid var(--rule);
}

.hero-entries li:last-child {
  border-bottom: 1px solid var(--rule);
}

.entry-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 48px;
  padding: 8px 2px;
  font-size: 15px;
}

.entry-link::after {
  content: "→";
  color: var(--ink-mute);
  font-size: 14px;
}

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

.entry-note {
  font-size: 13px;
  color: var(--ink-mute);
  margin-top: 8px;
}

.hero-figure {
  margin: 0;
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: hidden;
  background: var(--paper);
}

.hero-figure img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.hero-figure figcaption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--ink-mute);
  border-top: 1px solid var(--rule);
}

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

.topic-row {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 6px 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}

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

.topic-scope {
  color: var(--ink-soft);
  font-size: 14px;
}

.topic-meta,
.topic-org {
  color: var(--ink-mute);
  font-size: 13px;
}

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

.collection-card {
  display: flex;
  flex-direction: column;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: hidden;
}

.collection-figure {
  margin: 0;
}

.collection-figure img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.collection-card .collection-name {
  font-size: 17px;
  padding: 14px 16px 0;
}

.collection-card .collection-angle {
  padding: 8px 16px 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.collection-card .collection-cover {
  padding: 8px 16px 16px;
  margin-top: auto;
  color: var(--ink-mute);
  font-size: 13px;
}

.fields-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: var(--gap);
  align-items: start;
}

.fields-table-wrap {
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--paper-card);
  overflow-x: auto;
}

.fields-table {
  min-width: 420px;
  font-size: 14px;
}

.fields-caption {
  caption-side: top;
  text-align: left;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--ink-mute);
  border-bottom: 1px solid var(--rule);
}

.fields-table th,
.fields-table td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

.fields-table thead th {
  background: var(--paper);
  font-family: var(--serif);
  font-size: 14px;
}

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

.fields-table tbody th {
  width: 32%;
  font-weight: 700;
}

.fields-table tbody td {
  color: var(--ink-soft);
}

.fields-aside {
  padding: 20px 22px;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: 6px;
}

.fields-aside h3 {
  font-size: 17px;
  margin-bottom: 10px;
}

.fields-aside > p {
  color: var(--ink-soft);
  font-size: 14px;
}

.boundary-list {
  margin-top: 14px;
}

.boundary-list li {
  padding: 8px 0 8px 16px;
  border-top: 1px solid var(--rule);
  color: var(--ink-soft);
  font-size: 14px;
  position: relative;
}

.boundary-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

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

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

.guide-step {
  padding: 20px;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: 6px;
}

.guide-step .step-index {
  display: block;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.guide-step .step-name {
  font-size: 17px;
  margin-bottom: 8px;
}

.guide-step .step-text {
  color: var(--ink-soft);
  font-size: 14px;
}

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

.index-column {
  padding-top: 14px;
  border-top: 2px solid var(--ink);
}

.index-heading {
  font-size: 15px;
  margin-bottom: 12px;
}

.index-list li {
  margin-bottom: 8px;
}

.index-list a {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  font-size: 14px;
  color: var(--ink-soft);
}

/* ---------- pages: topics ---------- */

.page-topics .page-figure {
  margin-top: 24px;
}

.topic-rows {
  border-top: 1px solid var(--rule);
  margin-top: 20px;
}

.topic-rows .topic-row {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 8px 28px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
}

.topic-row-main .topic-name {
  font-size: 17px;
  margin-bottom: 6px;
}

.topic-direction {
  color: var(--ink-soft);
  font-size: 14px;
}

.topic-row-meta {
  border-left: 1px solid var(--rule);
  padding-left: 20px;
}

.topic-years {
  font-size: 13px;
  color: var(--ink);
  margin-bottom: 6px;
}

.topic-organization {
  font-size: 13px;
  color: var(--ink-mute);
}

.boundary-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}

.boundary-item:first-of-type {
  border-top: 1px solid var(--rule);
  margin-top: 20px;
}

.boundary-title {
  font-size: 17px;
  margin-bottom: 6px;
}

.boundary-text {
  color: var(--ink-soft);
  font-size: 14px;
  max-width: 46em;
}

.organization-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  margin-top: 20px;
}

.organization-step {
  padding: 18px 20px;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: 6px;
}

.organization-step .step-title {
  font-size: 16px;
  margin-bottom: 8px;
}

.organization-step .step-text {
  color: var(--ink-soft);
  font-size: 14px;
}

.topics-related .related-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.related-link {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 10px 16px;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: 6px;
  font-size: 14px;
}

.related-link:hover {
  border-color: var(--ink);
  text-decoration: none;
}

/* ---------- pages: collections ---------- */

.collections-overview {
  padding-top: 34px;
}

.collection-block {
  display: grid;
  grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}

.collection-block:first-of-type {
  border-top: 1px solid var(--rule);
  margin-top: 20px;
}

.collection-block .collection-figure {
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: hidden;
  background: var(--paper-card);
}

.collection-block .collection-figure img {
  width: 100%;
  height: 190px;
  object-fit: cover;
}

.collection-block .collection-caption {
  padding: 8px 12px;
  font-size: 12px;
  color: var(--ink-mute);
  border-top: 1px solid var(--rule);
}

.collection-body .collection-name {
  font-size: 19px;
  margin-bottom: 8px;
}

.collection-body .collection-angle {
  color: var(--ink-soft);
  font-size: 14px;
  max-width: 44em;
}

.collection-meta {
  margin: 14px 0 0;
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 6px 16px;
  font-size: 13px;
}

.collection-meta dt {
  color: var(--ink-mute);
}

.collection-meta dd {
  margin: 0;
  color: var(--ink);
}

.collections-angles .angle-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  margin-top: 20px;
}

.angle-item {
  padding: 18px 20px;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: 6px;
}

.angle-title {
  font-size: 16px;
  margin-bottom: 8px;
}

.angle-text {
  color: var(--ink-soft);
  font-size: 14px;
}

.mapping-table {
  margin-top: 20px;
  border: 1px solid var(--rule);
  background: var(--paper-card);
  font-size: 14px;
}

.mapping-caption {
  caption-side: top;
  text-align: left;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--ink-mute);
  border-bottom: 1px solid var(--rule);
}

.mapping-table th,
.mapping-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

.mapping-table thead th {
  background: var(--paper);
  font-family: var(--serif);
}

.mapping-table tbody th {
  font-weight: 700;
  width: 24%;
}

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

.mapping-note {
  margin-top: 18px;
  font-size: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

/* ---------- pages: fields ---------- */

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
  gap: var(--gap);
  align-items: start;
}

.fields-table-block {
  min-width: 0;
}

.fields-table-block > h2 {
  font-size: 22px;
  margin: 28px 0 8px;
}

.field-table {
  margin-top: 20px;
  border: 1px solid var(--rule);
  background: var(--paper-card);
  font-size: 14px;
}

.field-table-caption {
  caption-side: top;
  text-align: left;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--ink-mute);
  border-bottom: 1px solid var(--rule);
}

.field-table th,
.field-table td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

.field-table thead th {
  background: var(--paper);
  font-family: var(--serif);
}

.field-table tbody th {
  width: 30%;
  font-weight: 700;
}

.field-table tbody td {
  color: var(--ink-soft);
}

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

.fields-scope {
  padding: 22px;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: 6px;
}

.fields-scope h2 {
  font-size: 20px;
  margin-bottom: 10px;
}

.fields-scope > p {
  color: var(--ink-soft);
  font-size: 14px;
}

.scope-list {
  margin-top: 16px;
}

.scope-list li {
  padding: 14px 0;
  border-top: 1px solid var(--rule);
}

.scope-list h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.scope-list p {
  color: var(--ink-soft);
  font-size: 13px;
}

.scope-note {
  margin-top: 16px;
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
}

.fields-check {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 40px 24px 0;
  border-top: 1px solid var(--rule);
}

.fields-check h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

/* ---------- pages: guide ---------- */

.guide-mapping {
  margin-top: 40px;
}

.guide-table-wrap {
  margin-top: 20px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--paper-card);
  overflow-x: auto;
}

.guide-table {
  min-width: 620px;
  font-size: 14px;
}

.guide-table caption {
  caption-side: top;
  text-align: left;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--ink-mute);
  border-bottom: 1px solid var(--rule);
}

.guide-table th,
.guide-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

.guide-table thead th {
  background: var(--paper);
  font-family: var(--serif);
}

.guide-table tbody th {
  font-weight: 700;
  width: 20%;
}

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

.guide-pitfalls {
  margin-top: 40px;
}

.pitfall-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px var(--gap);
  margin-top: 20px;
}

.pitfall-item {
  padding: 18px 20px;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
}

.pitfall-title {
  font-size: 16px;
  margin-bottom: 8px;
}

.pitfall-text {
  color: var(--ink-soft);
  font-size: 14px;
}

.guide-note {
  margin-top: 24px;
  padding: 18px 20px;
  background: var(--paper-card);
  border: 1px dashed var(--rule);
  border-radius: 6px;
}

.note-title {
  font-size: 16px;
  margin-bottom: 8px;
}

.note-text {
  color: var(--ink-soft);
  font-size: 14px;
  max-width: 48em;
}

/* ---------- pages: faq ---------- */

.faq-section {
  padding-top: 34px;
  border-top: 1px solid var(--rule);
  margin-top: 34px;
}

.faq-section:first-of-type {
  margin-top: 30px;
}

.faq-group {
  margin-top: 22px;
  border-top: 1px solid var(--rule);
}

.faq-item {
  border-bottom: 1px solid var(--rule);
  background: var(--paper-card);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 52px;
  padding: 14px 18px;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 400;
  color: var(--ink-mute);
}

.faq-item[open] .faq-question::after {
  content: "−";
  color: var(--accent);
}

.faq-item[open] .faq-question {
  color: var(--accent);
}

.faq-answer {
  padding: 0 18px 18px;
  border-top: 1px solid var(--rule);
  padding-top: 14px;
}

.faq-answer p {
  color: var(--ink-soft);
  font-size: 14px;
  max-width: 52em;
}

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

.feedback-block {
  margin-top: 34px;
  padding: 22px;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: 6px;
}

.feedback-title {
  font-size: 18px;
  margin-bottom: 10px;
}

.feedback-item {
  padding: 12px 0;
  border-top: 1px solid var(--rule);
  color: var(--ink-soft);
  font-size: 14px;
  max-width: 52em;
}

.feedback-note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--ink-mute);
}

/* ---------- pages: 404 ---------- */

.site-error .error-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 60px 24px 40px;
}

.error-block {
  border-left: 3px solid var(--accent);
  padding-left: 22px;
}

.error-code {
  font-family: var(--serif);
  font-size: 44px;
  font-weight: 700;
  color: var(--rule);
  line-height: 1;
  margin-bottom: 10px;
}

.error-block h1 {
  font-size: 30px;
  margin-bottom: 12px;
}

.error-lead {
  color: var(--ink-soft);
  max-width: 38em;
}

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

.error-button {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  border-radius: 4px;
  font-size: 14px;
  background: var(--paper-card);
}

.error-button:hover {
  background: var(--ink);
  color: var(--paper-card);
  text-decoration: none;
}

.error-hints {
  margin-top: 46px;
  padding-top: 30px;
  border-top: 1px solid var(--rule);
}

.error-hints h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.hint-list {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 24px;
}

.hint-list a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: 4px;
  font-size: 14px;
}

.hint-list a:hover {
  border-color: var(--ink);
  text-decoration: none;
}

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

@media (max-width: 900px) {
  .header-inner {
    min-height: 64px;
    padding: 0 18px;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    order: 3;
    width: 100%;
    margin-left: 0;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0 12px;
    border-top: 1px solid var(--rule);
  }

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

  .nav-list > li > a {
    min-height: 46px;
    padding: 0 4px;
    border-bottom: 1px solid var(--rule);
  }

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

  .inner-main,
  .section,
  .fields-check,
  .site-error .error-main {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
    padding: 34px 18px 30px;
  }

  .hero-figure img {
    height: 240px;
  }

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

  .topic-row-meta {
    border-left: 0;
    padding-left: 0;
  }

  .collection-grid,
  .guide-steps,
  .organization-steps,
  .collections-angles .angle-list,
  .topics-related .related-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 30px 18px 22px;
  }

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

  .section-media img,
  .page-figure img,
  .guide-figure img {
    height: 240px;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 15px;
  }

  .brand-name {
    font-size: 19px;
  }

  .page-title,
  .hero-title,
  .error-block h1 {
    font-size: 24px;
  }

  .section-head h2,
  .section-title,
  .fields-table-block > h2,
  .fields-check h2,
  .error-hints h2 {
    font-size: 20px;
  }

  .hero-inner {
    padding: 28px 16px 26px;
  }

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

  .entry-link {
    min-height: 50px;
  }

  .collection-grid,
  .guide-steps,
  .organization-steps,
  .collections-angles .angle-list,
  .topics-related .related-links,
  .pitfall-list,
  .hint-list {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .collection-card .collection-figure img,
  .collection-block .collection-figure img {
    height: 170px;
  }

  .step-item {
    grid-template-columns: 36px minmax(0, 1fr);
    padding: 14px;
  }

  .step-item .step-index {
    font-size: 19px;
  }

  .section-media img,
  .page-figure img,
  .guide-figure img {
    height: 190px;
  }

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

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

  .error-code {
    font-size: 34px;
  }

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

  .error-button {
    justify-content: center;
  }
}

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