@charset "UTF-8";

:root {
  --brand: #ff4f72;
  --brand-deep: #df2f58;
  --accent: #ff8b55;
  --ink: #241b1d;
  --ink-soft: #493d40;
  --paper: #fff9f6;
  --paper-alt: #f8efeb;
  --line: #d9c9c6;
  --white: #ffffff;
  --topbar-height: 72px;
  --sidebar-width: clamp(188px, 15.5vw, 228px);
  --content-width: 1200px;
}

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

html {
  min-width: 320px;
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  min-width: 320px;
  margin: 0;
  padding-top: var(--topbar-height);
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
  font: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(255, 139, 85, 0.82);
  outline-offset: 3px;
}

p,
h1,
h2,
h3,
figure,
ul,
ol {
  margin-top: 0;
}

.content-wrap {
  width: min(calc(100% - 56px), var(--content-width));
  margin: 0 auto;
}

.brand-bar {
  position: fixed;
  z-index: 1000;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--topbar-height);
  padding: 0 24px 0 20px;
  border-bottom: 1px solid rgba(36, 27, 29, 0.14);
  background: rgba(255, 249, 246, 0.97);
  box-shadow: 0 8px 26px rgba(36, 27, 29, 0.08);
  backdrop-filter: blur(14px);
}

.brand-bar::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  content: "";
  background: linear-gradient(90deg, var(--brand) 0 62%, var(--accent) 62% 100%);
}

.brand-lockup,
.brand-actions,
.footer-brand {
  display: flex;
  align-items: center;
}

.brand-lockup {
  gap: 12px;
  min-width: 0;
}

.brand-mark,
.footer-brand > img {
  overflow: hidden;
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(36, 27, 29, 0.18);
  border-radius: 14px;
  background: var(--ink);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.footer-brand > img {
  width: 48px;
  height: 48px;
  object-fit: cover;
}

.brand-name,
.footer-brand span {
  display: grid;
  line-height: 1.25;
}

.brand-name strong,
.footer-brand strong {
  font-size: 20px;
  letter-spacing: 0.02em;
}

.brand-name small,
.footer-brand small {
  margin-top: 4px;
  color: #756669;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.brand-actions {
  gap: 12px;
}

.brand-download,
.feature-copy > a,
.download-inner > a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 44px;
  padding: 0 20px;
  color: var(--white);
  background: var(--ink);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.03em;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.brand-download:hover,
.feature-copy > a:hover,
.download-inner > a:hover {
  color: var(--ink);
  background: var(--accent);
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--white);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
  transition: transform 160ms ease, opacity 160ms ease;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-7px) rotate(-45deg);
}

.channel-nav {
  position: fixed;
  z-index: 800;
  top: var(--topbar-height);
  bottom: 0;
  left: 0;
  width: var(--sidebar-width);
  overflow-y: auto;
  padding: 28px 18px 24px;
  border-right: 1px solid var(--line);
  background: #fffdfb;
}

.channel-label {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  padding: 0 8px 24px;
  border-bottom: 1px solid var(--line);
}

.channel-label span {
  color: var(--brand);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(48px, 4.5vw, 68px);
  font-weight: 900;
  line-height: 0.78;
  letter-spacing: -0.09em;
}

.channel-label p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: 0.12em;
}

.channel-nav ul {
  margin: 24px 0;
  padding: 0;
  list-style: none;
}

.channel-nav li + li {
  margin-top: 8px;
}

.channel-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding: 0 12px 0 14px;
  border: 1px solid transparent;
  background: transparent;
  font-size: 14px;
  transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease;
}

.channel-nav a b {
  font-weight: 700;
}

.channel-nav a em {
  color: #9a898c;
  font-family: Georgia, serif;
  font-size: 12px;
  font-style: normal;
}

.channel-nav a:hover,
.channel-nav a.is-active {
  border-color: var(--brand);
  color: var(--white);
  background: var(--brand);
}

.channel-nav a:hover em,
.channel-nav a.is-active em {
  color: var(--white);
}

.channel-note {
  margin: auto 8px 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: #76676a;
  font-size: 12px;
  line-height: 1.65;
}

.site-main,
.site-footer {
  margin-left: var(--sidebar-width);
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: min(790px, calc(100vh - var(--topbar-height)));
  padding: 74px clamp(32px, 6vw, 96px);
  overflow: hidden;
  isolation: isolate;
  background-color: #171315;
  background-image: url("../images/bjt.jpg");
  background-position: center 26%;
  background-size: cover;
}

.hero::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(20, 15, 17, 0.88) 0%, rgba(20, 15, 17, 0.54) 44%, rgba(20, 15, 17, 0.08) 76%),
    linear-gradient(0deg, rgba(20, 15, 17, 0.34), transparent 45%);
}

.hero-shade {
  position: absolute;
  z-index: -1;
  top: 0;
  left: 0;
  width: 38%;
  height: 100%;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 100% 82px;
}

.hero-card {
  position: relative;
  width: min(570px, 58vw);
  padding: clamp(32px, 5vw, 64px);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-left: 7px solid var(--brand);
  background: rgba(24, 18, 20, 0.88);
  box-shadow: 20px 24px 0 rgba(255, 79, 114, 0.13);
  backdrop-filter: blur(7px);
}

.hero-card::after {
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: 54px;
  height: 54px;
  content: "";
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
}

.micro-title {
  margin-bottom: 13px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.micro-title--coral {
  color: var(--brand-deep);
}

.hero h1 {
  margin-bottom: 0;
  font-family: Georgia, "Microsoft YaHei", serif;
  font-size: clamp(54px, 7vw, 92px);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.hero-statement {
  display: inline-block;
  margin: 28px 0 20px;
  padding: 8px 14px;
  color: var(--white);
  background: var(--brand);
  font-size: clamp(21px, 2.2vw, 31px);
  font-weight: 900;
  line-height: 1.35;
}

.hero-intro {
  max-width: 46em;
  margin-bottom: 22px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 15px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.hero-tags li {
  padding: 5px 11px;
  border: 1px solid rgba(255, 255, 255, 0.44);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
}

.hero-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

.hero-meta a {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 48px;
  padding: 0 18px;
  color: var(--ink);
  background: var(--accent);
  font-size: 14px;
  font-weight: 900;
}

.hero-meta .age-label {
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.hero-index {
  position: absolute;
  right: 4.5vw;
  bottom: 4.5vw;
  display: grid;
  justify-items: end;
  color: var(--white);
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.7);
}

.hero-index span,
.hero-index i {
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.hero-index strong {
  color: var(--brand);
  font-family: Georgia, serif;
  font-size: clamp(86px, 12vw, 170px);
  line-height: 0.8;
  letter-spacing: -0.1em;
  -webkit-text-stroke: 2px var(--white);
}

.page-section {
  padding: clamp(72px, 8vw, 116px) 0;
}

.dispatch-section,
.manual-section,
.archive-section {
  background: var(--paper);
}

.coordinate-section,
.faq-section {
  background: var(--paper-alt);
}

.section-head {
  margin-bottom: 38px;
}

.section-head--split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
}

.section-head .micro-title {
  margin-bottom: 7px;
}

.section-head h2,
.feature-copy h2,
.faq-intro h2,
.editor-notes h2,
.letters-head h2,
.download-inner h2 {
  margin-bottom: 0;
  font-family: Georgia, "Microsoft YaHei", serif;
  font-size: clamp(34px, 4.2vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.045em;
}

.section-head--split > p {
  max-width: 420px;
  margin-bottom: 7px;
  color: #746669;
  font-size: 14px;
}

.dispatch-layout {
  display: grid;
  grid-template-columns: minmax(430px, 0.9fr) minmax(0, 1.35fr);
  gap: 22px;
}

.dispatch-board {
  border: 1px solid var(--ink);
  background: var(--white);
}

.dispatch-row {
  display: grid;
  grid-template-columns: 76px 108px minmax(0, 1fr);
  min-height: 76px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.dispatch-row:last-child {
  border-bottom: 0;
}

.dispatch-row > * {
  margin: 0;
  padding: 15px 14px;
  font-size: 13px;
}

.dispatch-row > * + * {
  border-left: 1px solid var(--line);
}

.dispatch-row b {
  color: var(--brand-deep);
  font-family: Georgia, serif;
  font-size: 14px;
}

.dispatch-row strong {
  font-size: 14px;
}

.dispatch-row p {
  color: #6e6063;
}

.dispatch-row--head {
  min-height: 44px;
  color: var(--white);
  background: var(--ink);
}

.dispatch-row--head span {
  padding-top: 10px;
  padding-bottom: 10px;
  border-color: rgba(255, 255, 255, 0.18);
  font-size: 12px;
  font-weight: 800;
}

.cover-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(140px, 1fr));
  gap: 8px;
  min-width: 0;
}

.cover-strip figure {
  position: relative;
  display: grid;
  min-width: 0;
  margin: 0;
  border: 1px solid var(--ink);
  background: var(--white);
}

.cover-strip img {
  width: 100%;
  height: 260px;
  padding: 6px;
  background: var(--paper-alt);
  object-fit: contain;
}

.cover-strip figcaption {
  display: grid;
  align-content: start;
  min-height: 112px;
  padding: 13px 12px;
  border-top: 1px solid var(--ink);
}

.cover-strip figcaption span,
.cover-strip figcaption small,
.archive-card figcaption span {
  color: var(--brand-deep);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.cover-strip figcaption strong {
  margin: 5px 0 2px;
  font-size: 14px;
  line-height: 1.45;
}

.cover-strip figcaption small {
  color: #847477;
  font-weight: 600;
}

.coordinate-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 42px;
}

.coordinate-grid article {
  display: grid;
  grid-template-columns: 82px 1fr;
  min-height: 190px;
  border: 1px solid var(--ink);
  background: var(--white);
}

.coordinate-grid article > span {
  display: grid;
  place-items: center;
  color: var(--brand);
  border-right: 1px solid var(--ink);
  font-family: Georgia, serif;
  font-size: 34px;
  font-weight: 800;
  writing-mode: vertical-rl;
}

.coordinate-grid article div {
  align-self: center;
  padding: 26px 22px;
}

.coordinate-grid p,
.manual-list p {
  margin-bottom: 7px;
  color: var(--brand-deep);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.coordinate-grid h3,
.manual-list h3 {
  margin-bottom: 9px;
  font-size: 20px;
  line-height: 1.35;
}

.coordinate-grid strong,
.manual-list strong {
  color: #706164;
  font-size: 13px;
  font-weight: 500;
}

.feature-story {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(0, 1.1fr);
  min-height: 590px;
  border: 1px solid var(--ink);
  background: var(--white);
}

.feature-story figure {
  position: relative;
  min-height: 0;
  margin: 0;
  overflow: hidden;
  border-right: 1px solid var(--ink);
}

.feature-story figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.feature-story figure figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 12px 16px;
  color: var(--white);
  background: rgba(36, 27, 29, 0.9);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.feature-copy {
  align-self: center;
  padding: clamp(36px, 6vw, 76px);
}

.feature-copy > p:not(.micro-title) {
  margin: 24px 0 28px;
  color: #6f6063;
  font-size: 15px;
}

.feature-copy ol {
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
}

.feature-copy li {
  display: grid;
  grid-template-columns: 46px 1fr;
  align-items: start;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.feature-copy li:last-child {
  border-bottom: 1px solid var(--line);
}

.feature-copy li b {
  color: var(--brand-deep);
  font-family: Georgia, serif;
}

.feature-copy li span {
  color: #716467;
}

.feature-copy li strong {
  display: block;
  margin-bottom: 2px;
  color: var(--ink);
  font-size: 14px;
}

.feature-copy > a {
  background: var(--brand);
}

.manual-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
  list-style: none;
}

.manual-list li {
  min-height: 270px;
  padding: 28px 24px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: var(--white);
}

.manual-list li > span {
  display: block;
  margin-bottom: 54px;
  color: var(--brand);
  font-family: Georgia, serif;
  font-size: 44px;
  font-weight: 800;
  line-height: 1;
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.68fr) minmax(0, 1.32fr);
  gap: clamp(40px, 7vw, 100px);
}

.faq-intro {
  position: relative;
  align-self: start;
  padding-top: 8px;
}

.faq-intro > p:not(.micro-title) {
  max-width: 30em;
  margin-top: 22px;
  color: #716467;
  font-size: 14px;
}

.faq-intro > span {
  display: block;
  margin-top: 36px;
  color: transparent;
  font-family: Georgia, serif;
  font-size: clamp(88px, 11vw, 150px);
  font-weight: 900;
  line-height: 0.8;
  -webkit-text-stroke: 2px var(--brand);
}

.faq-list {
  border-top: 1px solid var(--ink);
}

.faq-list article {
  border-bottom: 1px solid var(--ink);
}

.faq-list button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 70px;
  padding: 16px 6px;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.faq-list button span {
  padding-right: 22px;
  font-size: 15px;
  font-weight: 800;
}

.faq-list button b {
  display: grid;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--white);
  background: var(--brand);
  font-size: 22px;
  line-height: 1;
  transition: transform 160ms ease;
}

.faq-list button[aria-expanded="true"] b {
  transform: rotate(45deg);
}

.faq-list article > div {
  padding: 0 48px 22px 6px;
}

.faq-list article > div[hidden] {
  display: none;
}

.faq-list article p {
  margin: 0;
  color: #6d5f62;
  font-size: 14px;
}

.faq-list article a {
  color: var(--brand-deep);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.archive-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr;
  grid-template-rows: repeat(2, 260px);
  gap: 10px;
}

.archive-card {
  position: relative;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--ink);
  background: #e9dedb;
}

.archive-card--tall {
  grid-row: span 2;
}

.archive-card--wide {
  grid-column: span 2;
}

.archive-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  transition: transform 400ms ease;
}

.archive-card--wide img {
  object-position: center 28%;
}

.archive-card:hover img {
  transform: scale(1.025);
}

.archive-card figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 15px 16px;
  color: var(--white);
  background: linear-gradient(0deg, rgba(24, 18, 20, 0.94), rgba(24, 18, 20, 0.62) 70%, transparent);
}

.archive-card figcaption span {
  color: #ff9c75;
}

.archive-card figcaption strong {
  display: block;
  margin-top: 3px;
  font-size: 16px;
}

.archive-card figcaption p {
  margin: 3px 0 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 12px;
}

.editor-notes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 44px;
}

.editor-notes article {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 24px;
  min-height: 220px;
  padding: 30px;
  border: 1px solid var(--ink);
  background: var(--white);
}

.editor-notes article > span {
  color: var(--brand);
  font-family: Georgia, serif;
  font-size: 52px;
  font-weight: 900;
  line-height: 1;
}

.editor-notes h2 {
  font-size: 29px;
}

.editor-notes article div > p:last-child {
  margin: 16px 0 0;
  color: #706164;
  font-size: 14px;
}

.letters-section {
  padding: clamp(74px, 8vw, 112px) 0;
  color: var(--white);
  background: var(--ink);
}

.letters-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 38px;
}

.letters-head h2 {
  font-size: clamp(34px, 4vw, 52px);
}

.letters-head > p {
  max-width: 360px;
  margin-bottom: 5px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
}

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

.comment-card {
  min-width: 0;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.045);
}

.comment-card header {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  margin-bottom: 18px;
}

.comment-card header img {
  width: 46px;
  height: 46px;
  border: 2px solid var(--brand);
  border-radius: 50%;
  object-fit: cover;
}

.comment-card header div {
  display: grid;
  min-width: 0;
}

.comment-card header strong {
  overflow: hidden;
  color: var(--white);
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.comment-card header span {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.comment-card time {
  align-self: start;
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
  white-space: nowrap;
}

.comment-card > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.77);
  font-size: 13px;
  line-height: 1.85;
}

.download-section {
  padding: clamp(64px, 7vw, 92px) 0;
  color: var(--white);
  background: var(--brand);
}

.download-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.download-inner .micro-title {
  color: var(--ink);
}

.download-inner h2 {
  font-size: clamp(38px, 5vw, 62px);
}

.download-inner p:last-child {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
}

.download-inner > a {
  flex: 0 0 auto;
  min-width: 190px;
  min-height: 58px;
  background: var(--ink);
  font-size: 15px;
}

.site-footer {
  color: rgba(255, 255, 255, 0.78);
  background: #181214;
}

.footer-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding-top: 42px;
  padding-bottom: 34px;
}

.footer-brand {
  gap: 12px;
}

.footer-brand strong {
  color: var(--white);
}

.footer-brand small {
  color: rgba(255, 255, 255, 0.58);
}

.footer-main nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-main nav a {
  font-size: 12px;
  transition: color 160ms ease;
}

.footer-main nav a:hover {
  color: var(--accent);
}

.copyright {
  margin: 0;
  padding: 20px 24px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.54);
  font-size: 12px;
  text-align: center;
}

.back-to-top {
  position: fixed;
  z-index: 700;
  right: 22px;
  bottom: 22px;
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.7);
  color: var(--white);
  background: var(--brand);
  box-shadow: 0 10px 24px rgba(36, 27, 29, 0.22);
  font-size: 22px;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 160ms ease, transform 160ms ease, background-color 160ms ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--brand-deep);
}

@media (max-width: 1180px) {
  :root {
    --sidebar-width: 190px;
  }

  .dispatch-layout {
    grid-template-columns: 1fr;
  }

  .cover-strip img {
    height: 300px;
  }

  .coordinate-grid article {
    grid-template-columns: 62px 1fr;
  }

  .coordinate-grid article div {
    padding: 22px 18px;
  }

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

@media (max-width: 900px) {
  :root {
    --topbar-height: 66px;
    --sidebar-width: 0px;
  }

  body {
    padding-top: var(--topbar-height);
  }

  .brand-bar {
    height: var(--topbar-height);
    padding: 0 16px;
  }

  .brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 12px;
  }

  .brand-name strong {
    font-size: 18px;
  }

  .brand-download {
    min-height: 42px;
    padding: 0 14px;
  }

  .brand-download span {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .channel-nav {
    top: var(--topbar-height);
    right: 0;
    bottom: auto;
    width: 100%;
    max-height: calc(100dvh - var(--topbar-height));
    padding: 16px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 42px rgba(36, 27, 29, 0.18);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 160ms ease, transform 160ms ease;
  }

  .channel-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .channel-label,
  .channel-note {
    display: none;
  }

  .channel-nav ul {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin: 0;
  }

  .channel-nav li + li {
    margin-top: 0;
  }

  .channel-nav a {
    min-height: 46px;
  }

  .site-main,
  .site-footer {
    margin-left: 0;
  }

  .hero {
    min-height: 700px;
    padding: 56px 6vw;
  }

  .hero-card {
    width: min(600px, 82vw);
  }

  .hero-index {
    right: 5vw;
    bottom: 4vw;
  }

  .feature-story {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .feature-copy {
    padding: 36px;
  }

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

  .manual-list li {
    min-height: 230px;
  }

  .faq-layout {
    grid-template-columns: 1fr;
  }

  .faq-intro > span {
    position: absolute;
    top: 10px;
    right: 0;
    margin: 0;
    font-size: 100px;
    opacity: 0.35;
  }

  .archive-grid {
    grid-template-rows: repeat(2, 220px);
  }

  .editor-notes article {
    grid-template-columns: 70px 1fr;
    padding: 24px;
  }
}

@media (max-width: 700px) {
  .content-wrap {
    width: min(calc(100% - 32px), var(--content-width));
  }

  .brand-lockup {
    gap: 9px;
  }

  .brand-name small {
    max-width: 128px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .brand-actions {
    gap: 8px;
  }

  .brand-download {
    padding: 0 12px;
    font-size: 12px;
  }

  .hero {
    align-items: flex-start;
    min-height: 710px;
    padding: 48px 16px 120px;
    background-position: 50% 20%;
  }

  .hero::before {
    background: linear-gradient(180deg, rgba(20, 15, 17, 0.52), rgba(20, 15, 17, 0.82) 56%, rgba(20, 15, 17, 0.94));
  }

  .hero-shade {
    display: none;
  }

  .hero-card {
    width: 100%;
    padding: 28px 24px;
    border-left-width: 5px;
    box-shadow: 10px 12px 0 rgba(255, 79, 114, 0.14);
  }

  .hero-card::after {
    width: 38px;
    height: 38px;
  }

  .hero h1 {
    font-size: 54px;
  }

  .hero-statement {
    margin-top: 24px;
    font-size: 20px;
  }

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

  .hero-index {
    right: 20px;
    bottom: 28px;
  }

  .hero-index strong {
    font-size: 82px;
    -webkit-text-stroke-width: 1px;
  }

  .page-section,
  .letters-section {
    padding: 68px 0;
  }

  .section-head--split,
  .letters-head,
  .download-inner,
  .footer-main {
    align-items: flex-start;
    flex-direction: column;
  }

  .section-head--split {
    display: block;
  }

  .section-head--split > p {
    margin: 16px 0 0;
  }

  .dispatch-row {
    grid-template-columns: 62px 92px minmax(160px, 1fr);
  }

  .dispatch-board {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .dispatch-board > * {
    min-width: 430px;
  }

  .cover-strip {
    display: flex;
    margin-right: -16px;
    padding-right: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .cover-strip figure {
    flex: 0 0 min(72vw, 260px);
    scroll-snap-align: start;
  }

  .cover-strip img {
    height: 290px;
  }

  .coordinate-grid {
    grid-template-columns: 1fr;
  }

  .coordinate-grid article {
    min-height: 154px;
  }

  .feature-story {
    grid-template-columns: 1fr;
  }

  .feature-story figure {
    height: min(105vw, 470px);
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .feature-copy {
    padding: 32px 24px;
  }

  .manual-list {
    grid-template-columns: 1fr;
  }

  .manual-list li {
    display: grid;
    grid-template-columns: 62px 1fr;
    min-height: 0;
    gap: 16px;
    padding: 24px 20px;
  }

  .manual-list li > span {
    margin-bottom: 0;
    font-size: 34px;
  }

  .faq-intro > span {
    display: none;
  }

  .archive-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 330px 210px 250px;
  }

  .archive-card--tall {
    grid-column: span 2;
    grid-row: auto;
  }

  .archive-card--wide {
    grid-column: span 2;
  }

  .editor-notes {
    grid-template-columns: 1fr;
  }

  .editor-notes article {
    min-height: 0;
  }

  .comment-grid {
    grid-template-columns: 1fr;
  }

  .comment-card header {
    grid-template-columns: 46px minmax(0, 1fr) auto;
  }

  .comment-card time {
    position: static;
    justify-self: end;
    text-align: right;
  }

  .download-inner {
    display: flex;
  }

  .download-inner > a {
    width: 100%;
  }

  .footer-main {
    display: flex;
    align-items: center;
    text-align: center;
  }

  .footer-main nav ul {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .brand-bar {
    padding: 0 10px;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

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

  .brand-name small {
    max-width: 104px;
    font-size: 12px;
    letter-spacing: 0.02em;
  }

  .brand-download {
    max-width: 112px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .nav-toggle {
    width: 42px;
    height: 42px;
  }

  .channel-nav ul {
    grid-template-columns: repeat(2, 1fr);
  }

  .channel-nav a {
    padding-right: 10px;
    padding-left: 10px;
  }

  .hero-meta {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-meta a {
    width: 100%;
  }

  .section-head h2,
  .feature-copy h2,
  .faq-intro h2,
  .letters-head h2,
  .download-inner h2 {
    font-size: 34px;
  }

  .dispatch-row > * {
    padding-right: 10px;
    padding-left: 10px;
  }

  .archive-grid {
    grid-template-rows: 300px 180px 230px;
    gap: 8px;
  }

  .archive-card figcaption {
    padding: 12px;
  }

  .archive-card figcaption strong {
    font-size: 14px;
  }

  .editor-notes article {
    grid-template-columns: 54px 1fr;
    gap: 14px;
    padding: 22px 18px;
  }

  .editor-notes article > span {
    font-size: 38px;
  }

  .editor-notes h2 {
    font-size: 26px;
  }

  .comment-card {
    padding: 18px;
  }

  .comment-card header {
    gap: 9px;
  }

  .comment-card time {
    font-size: 12px;
  }

  .back-to-top {
    right: 14px;
    bottom: 14px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}