/* roulang page: index */
:root {
  --persimmon: #C45C4A;
  --persimmon-dark: #B45342;
  --persimmon-press: #A34C3C;
  --persimmon-soft: #F6E4DF;
  --moss: #3F6B58;
  --moss-soft: #E5F0EA;
  --paper: #F3EEE6;
  --leaf: #E7EFE4;
  --card: #FFFCF7;
  --ink: #2C2422;
  --muted: #6E625C;
  --line: #E0D6CC;
  --shadow: 0 8px 24px rgba(44, 36, 34, .06);
  --radius: 18px;
  --pill: 999px;
  --input: 12px;
  --wide: 1120px;
  --narrow: 760px;
  --pad: 72px;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "PMingLiU", serif;
  --sans: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
button, input, summary { font: inherit; color: inherit; }
h1, h2, h3, p { margin: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }
a {
  color: var(--ink);
  text-underline-offset: 3px;
}
a:hover { color: var(--persimmon); }
::selection { background: var(--persimmon-soft); color: var(--ink); }
.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--card);
  padding: 8px 12px;
  border-radius: 12px;
  z-index: 80;
}
.skip:focus { top: 12px; }
.wide, .narrow, .foot-inner {
  width: min(var(--wide), calc(100% - 48px));
  margin-inline: auto;
}
.narrow { width: min(var(--narrow), calc(100% - 48px)); }
h1, h2, h3, .brand, .faq-item summary, .step-title, .issue-title {
  font-family: var(--serif);
  font-weight: 650;
  line-height: 1.25;
}
h1 { font-size: 40px; }
h2 { font-size: 28px; }
h3 { font-size: 22px; }
.muted { color: var(--muted); }
.prose { margin-top: 14px; }
.site-header { height: 0; }
.nav-float {
  position: fixed;
  z-index: 40;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: min(880px, calc(100% - 24px));
  height: 64px;
  padding: 0 10px 0 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 252, 247, .9);
  border: 1px solid var(--line);
  border-radius: var(--pill);
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
  transition: top .2s ease, height .2s ease, padding .2s ease, width .2s ease;
}
.nav-float.stuck {
  top: 0;
  height: 56px;
  padding-inline: 12px 8px;
}
.brand {
  flex: 0 0 auto;
  text-decoration: none;
  font-size: 16px;
  white-space: nowrap;
}
.brand:hover { color: var(--persimmon); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a {
  flex: 0 0 auto;
  text-decoration: none;
  font-size: 14px;
  padding: 8px 10px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: var(--pill);
  color: var(--ink);
}
.nav-links a:hover { color: var(--persimmon); background: rgba(231, 239, 228, .7); }
.nav-links a:active { background: var(--leaf); }
.nav-links a[aria-current="page"] { color: var(--persimmon); }
.nav-cta { flex: 0 0 auto; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--pill);
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, transform .2s ease, border-color .2s ease;
}
.btn-primary { background: var(--persimmon); color: #F3EEE6; }
.btn-primary:hover { background: var(--persimmon-dark); color: #F3EEE6; transform: translateY(-1px); }
.btn-primary:active { background: var(--persimmon-press); color: #F3EEE6; transform: translateY(1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--leaf); color: var(--ink); }
.btn-ghost:active { transform: translateY(1px); }
.btn:focus-visible, .nav-links a:focus-visible, summary:focus-visible, .brand:focus-visible, input:focus-visible {
  outline: 2px solid var(--moss);
  outline-offset: 2px;
}
.section { padding: var(--pad) 0; }
.bg-paper { background: var(--paper); }
.bg-leaf { background: var(--leaf); }
.kicker {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .08em;
}
.cover { padding-top: 28px; }
.frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: var(--card);
}
.frame svg, .art { width: 100%; height: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
figcaption, .cap {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}
.cover h1 { margin-top: 22px; }
.lede { margin-top: 12px; font-size: 18px; line-height: 1.75; }
.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
}
.meta li { display: inline-flex; align-items: center; min-height: 32px; }
.meta li + li::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--persimmon);
  margin-right: 18px;
}
.pain-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 36px;
  align-items: start;
}
.pain-quote {
  margin: 0;
  padding-left: 16px;
  border-left: 2px solid var(--persimmon);
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.45;
  font-weight: 650;
}
.symptom { padding: 14px 0; border-bottom: 1px solid var(--line); }
.symptom b { display: block; font-family: var(--serif); font-weight: 650; font-size: 18px; }
.symptom span { color: var(--muted); }
.path {
  margin: 26px 0 8px 8px;
  border-left: 1px solid var(--line);
}
.path li {
  position: relative;
  padding: 0 0 22px 26px;
}
.path li::before {
  content: "";
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--persimmon);
  position: absolute;
  left: -6px;
  top: 7px;
}
.path strong { display: block; font-family: var(--serif); font-size: 20px; font-weight: 650; }
.path span { color: var(--muted); }
.figure-gap { margin-top: 8px; }
.steps { margin-top: 8px; }
.step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.step-no {
  font-family: var(--serif);
  font-weight: 650;
  font-size: 28px;
  color: var(--persimmon);
  line-height: 1;
}
.step p { color: var(--muted); margin-top: 4px; }
.scene { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; margin-top: 36px; }
.scene-flip .scene-copy { order: 1; }
.scene-flip figure { order: 2; }
.scene h3 { margin-bottom: 8px; }
.art {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  position: relative;
  background:
    radial-gradient(circle at 78% 38%, rgba(196, 92, 74, .55), transparent 28%),
    radial-gradient(circle at 62% 58%, rgba(63, 107, 88, .45), transparent 34%),
    linear-gradient(160deg, #E7D3C4, #F3EEE6 58%, #E7EFE4);
}
.art::after {
  content: "";
  position: absolute;
  left: 10%;
  right: 18%;
  bottom: 16%;
  height: 2px;
  background: rgba(44, 36, 34, .28);
}
.art-night { background: radial-gradient(circle at 30% 70%, rgba(63, 107, 88, .5), transparent 36%), linear-gradient(180deg, #D9C3B4, #C45C4A 140%); }
.art-commute { background: linear-gradient(120deg, #F3EEE6 10%, #E7EFE4 42%, #C45C4A 160%); }
.art-desk { background: radial-gradient(circle at 70% 30%, rgba(196, 92, 74, .4), transparent 30%), linear-gradient(#E7EFE4, #E4D5C8); }
.art-a { background: linear-gradient(135deg, #E7D3C4, #3F6B58 130%); }
.art-b { background: linear-gradient(160deg, #F6E4DF, #C45C4A 120%); }
.art-c { background: linear-gradient(180deg, #E7EFE4, #6E625C 140%); }
.art-d { background: linear-gradient(145deg, #F3EEE6, #3F6B58 150%); }
.stat-band { margin-top: 22px; }
.sample-label {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: var(--pill);
  background: var(--moss-soft);
  color: var(--moss);
  font-size: 13px;
}
.stat-row {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 8px 0 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat-row strong {
  display: block;
  font-family: var(--serif);
  font-size: 48px;
  font-weight: 650;
  line-height: 1;
  color: var(--persimmon);
}
.stat-row span { color: var(--muted); font-size: 14px; }
.quotes { margin-top: 22px; display: grid; gap: 22px; }
blockquote.voice {
  margin: 0;
  padding: 6px 0 6px 16px;
  border-left: 2px solid var(--moss);
}
blockquote.voice p { font-family: var(--serif); font-size: 20px; line-height: 1.5; font-weight: 650; }
blockquote.voice footer { margin-top: 8px; color: var(--muted); font-size: 14px; }
.people { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 18px 22px; }
.people li { width: min(200px, 100%); }
.pill {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 4px 12px;
  border-radius: var(--pill);
  background: var(--persimmon-soft);
  color: var(--persimmon);
  font-size: 14px;
}
.people small { display: block; margin-top: 8px; color: var(--muted); font-size: 14px; line-height: 1.6; }
.topic-bar {
  margin-top: 22px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}
.feed { margin-top: 12px; }
.feed a {
  display: flex;
  gap: 16px;
  align-items: stretch;
  text-decoration: none;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}
.feed a:hover { color: var(--ink); }
.feed a:hover .feed-title { color: var(--persimmon); }
.feed a:active { background: rgba(255, 252, 247, .7); }
.thumb-wrap { width: 168px; flex: 0 0 168px; }
.thumb-wrap .art { aspect-ratio: 4 / 3; border-radius: 12px; }
.feed-title {
  display: block;
  font-family: var(--serif);
  font-weight: 650;
  font-size: 20px;
  line-height: 1.35;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(44, 36, 34, .28);
}
.feed-copy em { display: block; margin-top: 6px; font-style: normal; color: var(--muted); }
.feed-meta { display: block; margin-top: 8px; font-size: 13px; color: var(--muted); }
.metrics {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.metrics div { padding: 16px 14px; }
.metrics div + div { border-left: 1px solid var(--line); }
.metrics dt { color: var(--muted); font-size: 14px; }
.metrics dd {
  margin: 6px 0 0;
  font-family: var(--serif);
  font-weight: 650;
  font-size: 28px;
  line-height: 1.2;
}
.catalog { margin-top: 12px; }
.issue {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 12px;
  align-items: center;
  min-height: 64px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.issue:hover { background: rgba(255, 252, 247, .65); }
.issue:active { background: var(--card); }
.issue:target { background: var(--persimmon-soft); }
.issue-no { font-family: var(--serif); font-weight: 650; color: var(--moss); }
.issue-title { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(44, 36, 34, .28); }
.issue:hover .issue-title { color: var(--persimmon); }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: var(--pill);
  font-size: 13px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge-serial { background: var(--persimmon-soft); color: var(--persimmon); }
.badge-update { background: var(--moss-soft); color: var(--moss); }
.badge-read { background: transparent; color: var(--moss); border-color: var(--moss); }
.edit-block { padding: 18px 0; border-bottom: 1px solid var(--line); }
.edit-block h3 { margin-bottom: 6px; }
.edit-block p { color: var(--ink); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
  cursor: pointer;
  list-style: none;
  font-size: 18px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.plus {
  width: 14px;
  height: 14px;
  position: relative;
  flex: 0 0 14px;
  transition: transform .2s ease;
}
.plus::before, .plus::after {
  content: "";
  position: absolute;
  background: var(--ink);
}
.plus::before { left: 6px; top: 0; width: 2px; height: 14px; }
.plus::after { left: 0; top: 6px; width: 14px; height: 2px; }
.faq-item[open] .plus { transform: rotate(45deg); }
.faq-a { padding-bottom: 14px; }
.faq-a p {
  background: var(--leaf);
  border-radius: 12px;
  padding: 12px 14px;
}
.faq-a a { text-decoration-color: rgba(44, 36, 34, .35); }
.cta-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.cta-banner p { margin-top: 8px; color: var(--muted); }
.site-footer {
  background: var(--ink);
  color: #F3EEE6;
  padding: 48px 0 28px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr 1fr;
  gap: 28px;
}
.site-footer a { color: #F3EEE6; text-decoration: underline; text-underline-offset: 3px; }
.site-footer a:hover { color: #F0C7BE; }
.foot-brand {
  font-family: var(--serif);
  font-weight: 650;
  font-size: 22px;
  text-decoration: none;
}
.foot-links { display: grid; gap: 8px; }
.foot-links a { min-height: 36px; display: inline-flex; align-items: center; }
.foot-note { color: #E7D3C4; }
.foot-domain { margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(243, 238, 230, .18); color: #C8BEB6; font-size: 13px; }
.field { display: grid; gap: 6px; margin-top: 12px; }
.field span { font-size: 14px; }
input[type="text"], input[type="email"] {
  min-height: 44px;
  border-radius: var(--input);
  border: 1px solid var(--line);
  background: var(--card);
  padding: 0 12px;
}
input.is-error { border-color: var(--persimmon); }
.thanks { color: var(--moss); }
.article-head, .author-bar, .related-read, .toc-anchors { display: grid; gap: 8px; }
.article-body { font-size: 17px; }
.pullquote { border-left: 2px solid var(--persimmon); padding-left: 14px; font-family: var(--serif); }
.back-home { text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 1024px) {
  .wide, .narrow, .foot-inner { width: min(var(--wide), calc(100% - 40px)); }
}
@media (max-width: 900px) {
  .pain-grid, .scene, .scene-flip, .foot-grid { grid-template-columns: 1fr; }
  .scene-flip .scene-copy, .scene-flip figure { order: initial; }
  .nav-links {
    mask-image: linear-gradient(90deg, #000 82%, transparent);
  }
  .topic-bar, .cta-banner { align-items: flex-start; }
}
@media (max-width: 768px) {
  .stat-row { grid-template-columns: 1fr; }
  .feed a { align-items: flex-start; }
}
@media (max-width: 560px) {
  :root { --pad: 40px; }
  h1 { font-size: 30px; }
  h2 { font-size: 22px; }
  h3 { font-size: 18px; }
  .lede { font-size: 16px; }
  .wide, .narrow, .foot-inner { width: calc(100% - 32px); }
  .nav-float { height: 60px; padding-left: 12px; }
  .brand { font-size: 14px; }
  .cover { padding-top: 16px; }
  .frame svg, .cover .frame { aspect-ratio: 16 / 9; }
  .step { grid-template-columns: 48px 1fr; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .metrics div { border-left: 0; }
  .metrics div:nth-child(2n) { border-left: 1px solid var(--line); }
  .metrics div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .metrics dd { font-size: 22px; }
  .thumb-wrap { width: 96px; flex-basis: 96px; }
  .issue { grid-template-columns: 48px 1fr; }
  .issue .badge { grid-column: 2; justify-self: start; }
  .cta-banner, .topic-bar { flex-direction: column; }
  .stat-row strong { font-size: 40px; }
  .pain-quote, blockquote.voice p { font-size: 18px; }
}
@media (max-width: 520px) {
  .nav-cta .btn { padding-inline: 12px; }
  .feed-title { font-size: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* roulang page: category1 */
:root {
  --persimmon: #C45C4A;
  --persimmon-dark: #B45342;
  --persimmon-press: #A34C3C;
  --persimmon-soft: #F6E4DF;
  --moss: #3F6B58;
  --moss-soft: #E5F0EA;
  --paper: #F3EEE6;
  --leaf: #E7EFE4;
  --card: #FFFCF7;
  --ink: #2C2422;
  --muted: #6E625C;
  --line: #E0D6CC;
  --shadow: 0 8px 24px rgba(44, 36, 34, .06);
  --radius: 18px;
  --pill: 999px;
  --input: 12px;
  --wide: 1120px;
  --narrow: 760px;
  --pad: 72px;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "PMingLiU", serif;
  --sans: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; color-scheme: light; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
button, input, summary { font: inherit; color: inherit; }
h1, h2, h3, p, figure, ul, ol, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: var(--ink); text-underline-offset: 3px; }
a:hover { color: var(--persimmon); }
::selection { background: var(--persimmon-soft); color: var(--ink); }
h1, h2, h3, .brand, .foot-brand, .faq-item summary, .step-title, .issue-title, .stream-body h3, .relate-list strong {
  font-family: var(--serif);
  font-weight: 650;
  line-height: 1.25;
}
h1 { font-size: 40px; }
h2 { font-size: 28px; }
h3 { font-size: 22px; }
.muted { color: var(--muted); }
.wide, .narrow, .foot-inner {
  width: min(var(--wide), calc(100% - 48px));
  margin-inline: auto;
}
.narrow { width: min(var(--narrow), calc(100% - 48px)); }
.site-header { height: 0; }
.nav-float {
  position: fixed;
  z-index: 40;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: min(880px, calc(100% - 24px));
  height: 64px;
  padding: 0 10px 0 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 252, 247, .9);
  border: 1px solid var(--line);
  border-radius: var(--pill);
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
  transition: top .2s ease, height .2s ease, padding .2s ease, width .2s ease;
}
.nav-float.stuck {
  top: 0;
  height: 56px;
  padding-inline: 12px 8px;
}
.brand {
  flex: 0 0 auto;
  text-decoration: none;
  font-size: 16px;
  white-space: nowrap;
}
.brand:hover { color: var(--persimmon); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a {
  flex: 0 0 auto;
  text-decoration: none;
  font-size: 14px;
  padding: 8px 10px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: var(--pill);
  color: var(--ink);
}
.nav-links a:hover { color: var(--persimmon); background: rgba(231, 239, 228, .7); }
.nav-links a:active { background: var(--leaf); }
.nav-links a[aria-current="page"] { color: var(--persimmon); background: var(--persimmon-soft); }
.nav-cta { flex: 0 0 auto; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--pill);
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, transform .2s ease, border-color .2s ease;
}
.btn-primary { background: var(--persimmon); color: #F3EEE6; }
.btn-primary:hover { background: var(--persimmon-dark); color: #F3EEE6; transform: translateY(-1px); }
.btn-primary:active { background: var(--persimmon-press); color: #F3EEE6; transform: translateY(1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--leaf); color: var(--ink); }
.btn-ghost:active { transform: translateY(1px); }
.btn:focus-visible, .nav-links a:focus-visible, .filter-btn:focus-visible, summary:focus-visible, .brand:focus-visible, .foot-brand:focus-visible, input:focus-visible, .stream-link:focus-visible, .relate-list a:focus-visible {
  outline: 2px solid var(--moss);
  outline-offset: 2px;
}
main { padding-top: 88px; }
.section { padding: var(--pad) 0; }
.band-leaf { background: var(--leaf); }
.copy { margin-top: 12px; max-width: 62ch; }
.copy + .copy { margin-top: 10px; }
.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 14px;
}
.crumb a { color: var(--muted); text-decoration: underline; text-underline-offset: 3px; }
.crumb a:hover { color: var(--persimmon); }
.crumb [aria-current="page"] { color: var(--ink); }
.page-head h1 { padding-bottom: 14px; position: relative; }
.page-head h1::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 48px;
  height: 3px;
  border-radius: var(--pill);
  background: var(--persimmon);
}
.lead { margin-top: 16px; font-size: 18px; max-width: 36em; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.filter-btn {
  min-height: 44px;
  padding: 0 16px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.filter-btn:hover { background: var(--leaf); color: var(--persimmon); }
.filter-btn:active { transform: translateY(1px); }
.filter-btn.is-on {
  background: var(--persimmon);
  border-color: var(--persimmon);
  color: #F3EEE6;
}
.filter-btn.is-on:hover { background: var(--persimmon-dark); color: #F3EEE6; }
.stream-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.stream-stack {
  width: min(760px, 100%);
  margin: 28px auto 0;
  display: grid;
  gap: 22px;
}
.stream-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}
.stream-card[hidden] { display: none !important; }
.stream-card:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(44, 36, 34, .08); }
.stream-card:active { transform: translateY(1px); }
.stream-link { display: block; color: inherit; text-decoration: none; height: 100%; }
.stream-link:hover { color: inherit; }
.stream-link:active { background: rgba(243, 238, 230, .45); }
.cover {
  position: relative;
  aspect-ratio: 16 / 9;
  width: 100%;
  object-fit: cover;
  background-position: center;
  background-size: cover;
}
.cover-label {
  position: absolute;
  left: 16px;
  bottom: 14px;
  color: #F3EEE6;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 650;
  line-height: 1.25;
  text-shadow: 0 1px 8px rgba(44, 36, 34, .25);
}
.cover-rain { background:
  radial-gradient(circle at 20% 80%, rgba(255,252,247,.45), transparent 28%),
  linear-gradient(160deg, #E7D3C4 0%, #C45C4A 48%, #3F6B58 100%); }
.cover-commute { background:
  linear-gradient(90deg, transparent 0 18%, rgba(255,252,247,.28) 18% 20%, transparent 20%),
  linear-gradient(180deg, #F3EEE6, #C9B5A6 46%, #3F6B58); }
.cover-lamp { background:
  radial-gradient(circle at 70% 30%, rgba(243,238,230,.7), transparent 22%),
  linear-gradient(200deg, #F6E4DF, #C45C4A 58%, #2C2422); }
.cover-morning { background:
  linear-gradient(135deg, #E7EFE4, #7EA08F 42%, #3F6B58 72%, #E7D3C4); }
.cover-kitchen { background:
  linear-gradient(160deg, #F3EEE6, #E7D3C4 36%, #3F6B58 78%, #2C2422); }
.cover-fold { background:
  linear-gradient(145deg, #FFFCF7 10%, #F6E4DF 42%, #C45C4A 86%); }
.cover-scene { background:
  radial-gradient(circle at 30% 70%, rgba(255,252,247,.4), transparent 26%),
  linear-gradient(165deg, #E7EFE4, #C45C4A 55%, #3F6B58); }
figcaption {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
  padding: 8px 16px 0;
}
.stream-body { padding: 4px 16px 18px; }
.kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}
.stream-body h3 {
  margin-top: 8px;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(44, 36, 34, .28);
}
.stream-link:hover h3 { color: var(--persimmon); text-decoration-color: var(--persimmon); }
.stream-summary {
  margin-top: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.stream-meta { margin-top: 10px; color: var(--muted); font-size: 13px; }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: var(--pill);
  font-size: 13px;
  border: 1px solid transparent;
  white-space: nowrap;
  font-family: var(--sans);
  font-weight: 400;
}
.badge-serial { background: var(--persimmon-soft); color: var(--persimmon); }
.badge-update { background: var(--moss-soft); color: var(--moss); }
.badge-read { background: transparent; color: var(--moss); border-color: var(--moss); }
.timeline { margin-top: 28px; }
.timeline li {
  position: relative;
  margin-left: 16px;
  padding: 0 0 28px 48px;
  border-left: 1px solid var(--line);
}
.timeline li:last-child { padding-bottom: 0; }
.num {
  position: absolute;
  left: -16px;
  top: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--moss-soft);
  color: var(--moss);
  border: 1px solid var(--line);
  font-family: var(--serif);
  font-weight: 650;
}
.step-title { display: block; font-size: 22px; }
.timeline p { margin-top: 6px; }
.side-note {
  display: grid;
  grid-template-columns: .86fr 1.14fr;
  gap: 28px;
  align-items: center;
  background: var(--leaf);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}
.side-note figcaption { padding-inline: 0; }
.side-note .cover { border-radius: 12px; }
.metric-row {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--card);
  border-radius: 12px;
  overflow: hidden;
}
.metric-row div { padding: 18px 14px; }
.metric-row div + div { border-left: 1px solid var(--line); }
.metric-row strong {
  display: block;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 650;
  line-height: 1.2;
  color: var(--ink);
}
.metric-row span { color: var(--muted); font-size: 14px; }
.metric-note { margin-top: 12px; color: var(--muted); font-size: 13px; }
.more-wrap { width: min(760px, 100%); margin: 22px auto 0; }
.relate-list { margin-top: 8px; }
.relate-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  min-height: 44px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
}
.relate-list a:hover { color: var(--ink); }
.relate-list a:active { background: rgba(255, 252, 247, .55); }
.relate-list strong {
  display: block;
  font-size: 20px;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(44, 36, 34, .28);
}
.relate-list a:hover strong { color: var(--persimmon); text-decoration-color: var(--persimmon); }
.sub { display: block; margin-top: 4px; color: var(--muted); font-size: 13px; font-style: normal; }
.relate-go { color: var(--persimmon); white-space: nowrap; }
.close-bar {
  margin-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 18px 20px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.close-bar p { font-family: var(--serif); font-weight: 650; font-size: 22px; line-height: 1.25; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  color: var(--persimmon);
  transition: transform .2s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-a {
  background: var(--leaf);
  margin: 0 0 12px;
  padding: 12px 14px;
  border-radius: 12px;
}
.site-footer {
  background: var(--ink);
  color: #F3EEE6;
  padding: 48px 0 28px;
}
.site-footer a { color: #F3EEE6; }
.site-footer a:hover { color: #E7B2A8; }
.foot-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr 1.2fr;
  gap: 28px;
}
.foot-brand {
  font-size: 20px;
  text-decoration: none;
  display: inline-block;
  margin-bottom: 10px;
}
.foot-note { color: rgba(243, 238, 230, .82); }
.foot-links { display: flex; flex-direction: column; gap: 4px; }
.foot-links a {
  text-decoration: underline;
  text-underline-offset: 3px;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
}
.foot-domain {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid rgba(243, 238, 230, .16);
  color: rgba(243, 238, 230, .72);
  font-size: 14px;
}
.pain-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 36px;
}
.stat-row {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 8px 0 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat-row strong {
  display: block;
  font-family: var(--serif);
  font-size: 48px;
  font-weight: 650;
  line-height: 1;
  color: var(--persimmon);
}
.stat-row span { color: var(--muted); font-size: 14px; }
@media (max-width: 1024px) {
  .nav-float { width: min(880px, calc(100% - 16px)); }
  .close-bar p { font-size: 20px; }
}
@media (max-width: 900px) {
  :root { --pad: 48px; }
  .stream-grid, .side-note, .foot-grid, .pain-grid { grid-template-columns: 1fr; }
  .metric-row { grid-template-columns: 1fr 1fr; }
  .metric-row div:nth-child(odd) { border-left: 0; }
  .metric-row div:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .nav-links a { padding-inline: 8px; }
}
@media (max-width: 768px) {
  .close-bar { flex-direction: column; align-items: stretch; }
  .foot-links a { min-height: 44px; }
}
@media (max-width: 560px) {
  :root { --pad: 40px; }
  h1 { font-size: 30px; }
  h2 { font-size: 22px; }
  h3, .step-title, .relate-list strong { font-size: 18px; }
  .lead { font-size: 16px; }
  .brand { font-size: 14px; }
  .wide, .narrow, .foot-inner { width: min(var(--wide), calc(100% - 32px)); }
  .cover { aspect-ratio: 16 / 9; }
  .timeline li { margin-left: 12px; padding-left: 42px; }
  .stat-row { grid-template-columns: 1fr; }
  .relate-list a { flex-direction: column; align-items: flex-start; }
  .nav-cta .btn { padding-inline: 12px; }
  .close-bar p { font-size: 18px; }
}
@media (max-width: 520px) {
  .nav-float { height: 60px; padding-left: 12px; }
  .filter-btn { flex: 1 1 auto; }
}