/* roulang page: index */
:root {
  --bg: #F4F7FB;
  --card: #FFFFFF;
  --text: #1B2430;
  --muted: #5E6C7B;
  --blue: #3C74D6;
  --blue-press: #2C5BB0;
  --blue-soft: #E7F0FC;
  --line: #E3EAF3;
  --clay: #D26A45;
  --clay-soft: rgba(210, 106, 69, .12);
  --shadow: 0 10px 28px rgba(44, 91, 176, .08);
  --shadow-hover: 0 16px 36px rgba(44, 91, 176, .14);
  --radius: 16px;
  --radius-sm: 12px;
  --header-h: 72px;
  --max: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  padding-top: var(--header-h);
}
img, svg { max-width: 100%; display: block; }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--text); text-decoration: none; }
a:hover { color: var(--blue); }
h1, h2, h3, p { margin: 0; }
h1 { font-size: 40px; line-height: 1.25; font-weight: 700; }
h2 { font-size: 28px; line-height: 1.35; font-weight: 700; }
h3 { font-size: 18px; line-height: 1.45; font-weight: 700; }
ul, ol { margin: 0; padding: 0; list-style: none; }
::selection { background: #d5e4fa; color: var(--text); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 40;
  height: var(--header-h);
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.nav-bar {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 14px;
  position: relative;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; color: var(--text); }
.brand:hover { color: var(--text); }
.brand-mark {
  width: 42px; height: 42px; flex: 0 0 42px;
  border-radius: 12px;
  background: var(--blue);
  color: #fff;
  display: grid; place-items: center;
  font-weight: 700;
  letter-spacing: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.brand-text b { font-size: 15px; font-weight: 700; white-space: nowrap; }
.brand-text small { font-size: 12px; color: var(--muted); white-space: nowrap; }
.nav-pills { display: flex; align-items: center; gap: 8px; margin-left: 8px; }
.pill {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 36px; padding: 0 14px;
  border: 1px solid var(--blue); border-radius: 999px;
  color: var(--blue); background: #fff;
  font-size: 14px; font-weight: 700; line-height: 1;
  transition: background .2s ease, color .2s ease, transform .15s ease;
}
.pill:hover, .pill.is-active { background: var(--blue); color: #fff; }
.pill:active { background: var(--blue-press); transform: translateY(1px); }
.nav-toggle {
  display: none;
  align-items: center; gap: 6px;
  border: 1px solid var(--line); background: #fff;
  border-radius: var(--radius-sm); min-height: 40px; padding: 0 10px;
  color: var(--text); font-weight: 700;
}
.nav-toggle:hover { border-color: var(--blue); color: var(--blue); }
.nav-toggle:active { transform: translateY(1px); }
.burger { width: 16px; height: 10px; display: inline-block; position: relative; }
.burger::before, .burger::after, .burger span {
  content: ""; position: absolute; left: 0; right: 0; height: 2px; background: currentColor; border-radius: 2px;
}
.burger::before { top: 0; }
.burger span { top: 4px; }
.burger::after { bottom: 0; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 18px;
  border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; line-height: 1.2; text-align: center;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .15s ease, box-shadow .2s ease;
}
.btn:hover { color: #fff; }
.btn:active { transform: translateY(1px); }
.btn-solid { background: var(--blue); color: #fff; box-shadow: 0 8px 18px rgba(60, 116, 214, .18); }
.btn-solid:hover { background: var(--blue-press); color: #fff; }
.btn-solid:active { background: var(--blue-press); }
.btn-line { background: #fff; color: var(--blue); border-color: var(--blue); }
.btn-line:hover { background: var(--blue); color: #fff; }
.btn-line:active { background: var(--blue-press); color: #fff; }
.btn-nav { margin-left: auto; flex: 0 0 auto; min-height: 40px; padding: 0 16px; }
.section { padding: 72px 0; border-top: 1px solid var(--line); }
.bg-white { background: #fff; }
.bg-soft { background: var(--bg); }
.section-head { margin-bottom: 22px; max-width: 760px; }
.kicker { color: var(--blue); font-size: 13px; font-weight: 700; margin-bottom: 8px; }
.section-sub { margin-top: 6px; color: var(--muted); font-size: 16px; }
.hero { padding: 56px 0 64px; background: #fff; border-top: 0; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .75fr); gap: 36px; align-items: center; }
.lede { margin-top: 16px; color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.mast {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 18px 8px;
}
.mast-top { display: flex; justify-content: space-between; gap: 8px; align-items: center; padding-bottom: 10px; border-bottom: 3px solid var(--text); }
.mast-top strong { font-size: 18px; }
.rule { height: 1px; background: var(--line); margin-top: 4px; }
.mast-list { margin-top: 8px; }
.mast-list li {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 15px;
}
.mast-list span { color: var(--muted); }
.mast-note { color: var(--muted); font-size: 14px; padding: 12px 0 10px; }
.stamp {
  display: inline-flex; align-items: center;
  border-radius: 999px; padding: 2px 8px;
  background: var(--clay-soft); color: var(--clay);
  font-size: 12px; font-weight: 700; line-height: 1.6;
}
.stamp-solid { background: var(--clay); color: #fff; }
.tag-blue { background: var(--blue-soft); color: var(--blue); }
.ticker { padding: 0; background: var(--bg); }
.tick-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.tick {
  display: flex; flex-direction: column; gap: 4px;
  padding: 18px 16px; border-right: 1px solid var(--line); color: var(--text); min-width: 0;
}
.tick:last-child { border-right: 0; }
.tick:hover { background: #fff; color: var(--text); }
.tick time { color: var(--clay); font-size: 12px; font-weight: 700; }
.tick b { font-size: 15px; font-weight: 700; line-height: 1.5; }
.matrix { display: grid; grid-template-columns: 1.45fr 1fr 1fr; grid-template-areas: "big s1 s2" "big s3 s4"; gap: 16px; }
.cell-lg { grid-area: big; }
.s1 { grid-area: s1; } .s2 { grid-area: s2; } .s3 { grid-area: s3; } .s4 { grid-area: s4; }
.cell, .entry-card, .cover, .pick, .faq-item, .scene, .step, .coop-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.cell { padding: 18px; min-height: 100%; transition: transform .2s ease, box-shadow .2s ease; }
.cell:hover, .entry-card:hover, .cover:hover, .pick:hover, .scene:hover, .step:hover, .coop-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.cell p, .cover p, .pick p, .scene p, .step p, .entry-card p { color: var(--muted); margin-top: 8px; font-size: 15px; }
.ratio {
  border-radius: var(--radius-sm);
  background:
    linear-gradient(160deg, rgba(60,116,214,.16), rgba(255,255,255,.2) 42%),
    repeating-linear-gradient(135deg, #e7eef8 0 12px, #f7f9fc 12px 24px);
  border: 1px solid var(--line);
  display: flex; align-items: flex-end;
  padding: 12px; color: var(--text); font-weight: 700;
}
.ratio-16 { aspect-ratio: 16 / 9; }
.ratio-32 { aspect-ratio: 3 / 2; }
.cell-lg .ratio { margin-bottom: 14px; }
.entry-list { display: grid; gap: 16px; }
.entry-card {
  display: grid; grid-template-columns: 210px minmax(0, 1fr) auto;
  gap: 18px; align-items: center; padding: 14px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.entry-card h3 { margin: 6px 0; }
.entry-go { color: var(--blue); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; white-space: nowrap; }
.entry-go:hover { color: var(--blue-press); }
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.stat { padding: 22px 18px; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat b { display: block; font-size: 34px; line-height: 1.1; color: var(--blue); }
.stat span { display: block; margin-top: 6px; color: var(--text); font-weight: 700; }
.stat em { display: block; margin-top: 4px; color: var(--muted); font-style: normal; font-size: 14px; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; position: relative; }
.steps::before {
  content: ""; position: absolute; top: 28px; left: 7%; right: 7%; height: 1px; background: #c9d7ea;
}
.step { position: relative; padding: 16px; }
.step i {
  width: 28px; height: 28px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--blue); color: #fff; font-style: normal; font-size: 13px; font-weight: 700;
  margin-bottom: 10px; position: relative; z-index: 1;
}
.scenes { display: grid; grid-template-columns: 1.25fr .82fr 1.05fr; gap: 16px; }
.scene { padding: 18px 18px 18px 16px; border-left: 3px solid var(--blue); }
.scene:nth-child(2) { border-left-color: var(--clay); }
.scene:nth-child(3) { border-left-color: #7ea2e4; }
.wall { display: grid; grid-template-columns: 1.35fr .82fr 1fr; grid-template-areas: "a b c" "a d e"; gap: 16px; }
.w-a { grid-area: a; } .w-b { grid-area: b; } .w-c { grid-area: c; } .w-d { grid-area: d; } .w-e { grid-area: e; }
.cover { padding: 12px; display: flex; flex-direction: column; min-height: 100%; transition: transform .2s ease, box-shadow .2s ease; }
.w-a { border-color: #efd2c8; }
.cover .ratio { flex: 1; min-height: 120px; }
.cover h3 { margin-top: 12px; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 8px; color: var(--muted); font-size: 13px; }
.paper { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 36px; }
.col-name { padding-bottom: 8px; border-bottom: 2px solid var(--text); font-weight: 700; }
.news-item {
  display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 12px;
  padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--text);
}
.news-item:hover h3 { color: var(--blue); }
.news-item time { color: var(--clay); font-size: 13px; font-weight: 700; }
.news-item h3 { font-size: 17px; }
.news-item p { color: var(--muted); font-size: 14px; margin-top: 4px; }
.more-row { margin-top: 18px; }
.search-box {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px;
}
.search-line { display: flex; gap: 10px; }
.search-line input {
  flex: 1; min-width: 0; height: 48px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 0 14px; background: #fff;
}
.search-line input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(60,116,214,.15); outline: none; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tag {
  border: 1px solid var(--line); background: var(--bg); color: var(--text);
  border-radius: 999px; min-height: 34px; padding: 0 12px;
  display: inline-flex; align-items: center; font-weight: 700; font-size: 14px;
}
.tag:hover { border-color: var(--clay); color: var(--clay); background: #fff; }
.coop { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.coop-item { min-height: 74px; display: grid; place-items: center; text-align: center; padding: 10px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease; }
.faq-list { display: grid; gap: 10px; }
.faq-item { padding: 0; overflow: hidden; }
.faq-item summary {
  list-style: none; cursor: pointer; font-weight: 700; padding: 16px 44px 16px 18px; position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 16px; top: 14px; color: var(--blue); font-size: 22px; line-height: 1; }
.faq-item[open] { border-color: #c9d8f2; }
.faq-item[open] summary { color: var(--blue); }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { padding: 0 18px 16px; color: var(--muted); }
.assure {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow);
}
.assure-item { padding: 16px 14px; }
.assure-item + .assure-item { border-left: 1px solid var(--line); }
.assure-item b { display: block; }
.assure-item span { color: var(--muted); font-size: 14px; }
.rail-wrap { overflow: hidden; }
.rail { display: flex; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 4px 2px 12px; }
.pick { flex: 0 0 270px; scroll-snap-align: start; padding: 12px; }
.pick h3 { margin-top: 10px; }
.cta-band {
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr); gap: 28px; align-items: start;
}
.static-note { margin-top: 12px; color: var(--muted); }
.form { display: grid; gap: 10px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; }
.form label { font-weight: 700; font-size: 14px; }
.form input, .form textarea {
  width: 100%; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px 12px; background: #fff;
}
.form textarea { min-height: 96px; resize: vertical; }
.form input:focus, .form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(60,116,214,.15); outline: none; }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 36px 0 22px; }
.foot-grid { display: grid; grid-template-columns: 1.3fr .8fr 1fr; gap: 24px; }
.foot-grid a { display: block; padding: 3px 0; color: var(--text); text-decoration: underline; text-underline-offset: 3px; }
.foot-grid a:hover { color: var(--blue); }
.copyright { margin-top: 22px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
@media (max-width: 1200px) {
  .matrix { grid-template-columns: 1.2fr 1fr 1fr; }
  .coop { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
  .hero-grid, .cta-band, .entry-card { grid-template-columns: 1fr; }
  .matrix { grid-template-columns: 1fr 1fr; grid-template-areas: "big big" "s1 s2" "s3 s4"; }
  .wall { grid-template-columns: 1fr 1fr; grid-template-areas: "a a" "b c" "d e"; }
  .scenes { grid-template-columns: 1fr; }
  .entry-go { justify-self: start; }
}
@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }
  .nav-pills {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    padding: 12px 16px 16px; flex-direction: column; align-items: stretch; margin: 0;
  }
  .nav-pills.is-open { display: flex; }
  .pill { width: 100%; min-height: 42px; }
  .stats, .steps, .paper, .assure { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(odd) { border-left: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
  .assure-item:nth-child(odd) { border-left: 0; }
  .assure-item:nth-child(1), .assure-item:nth-child(2) { border-bottom: 1px solid var(--line); }
  .steps::before { display: none; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  h1 { font-size: 34px; }
  h2 { font-size: 24px; }
  .tick-row, .paper, .stats, .assure, .coop { grid-template-columns: 1fr; }
  .tick { border-right: 0; border-bottom: 1px solid var(--line); }
  .stat + .stat, .assure-item + .assure-item { border-left: 0; border-top: 1px solid var(--line); }
  .stat:nth-child(1), .stat:nth-child(2), .assure-item:nth-child(1), .assure-item:nth-child(2) { border-bottom: 0; }
  .wall { grid-template-columns: 1fr; grid-template-areas: "a" "b" "c" "d" "e"; }
  .foot-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .section { padding: 40px 0; }
  .hero { padding: 36px 0 40px; }
  .container { width: min(var(--max), calc(100% - 28px)); }
  .steps { grid-template-columns: 1fr; }
  .search-line, .hero-actions { flex-direction: column; }
  .btn { width: 100%; }
  .btn-nav { width: auto; }
  .matrix { grid-template-columns: 1fr; grid-template-areas: "big" "s1" "s2" "s3" "s4"; }
}
@media (max-width: 520px) {
  h1 { font-size: 30px; }
  .brand-text b { font-size: 13px; }
  .brand-mark { width: 36px; height: 36px; flex-basis: 36px; }
  .btn-nav { padding: 0 10px; font-size: 13px; min-height: 36px; }
  .news-item { grid-template-columns: 1fr; gap: 2px; }
}

/* roulang page: category1 */
:root {
 --bg: #F4F7FB;
 --card: #FFFFFF;
 --text: #1B2430;
 --muted: #5E6C7B;
 --blue: #3C74D6;
 --blue-press: #2C5BB0;
 --blue-soft: #E7F0FC;
 --line: #E3EAF3;
 --clay: #D26A45;
 --clay-soft: rgba(210, 106, 69, .12);
 --shadow: 0 10px 28px rgba(44, 91, 176, .08);
 --shadow-hover: 0 16px 36px rgba(44, 91, 176, .14);
 --radius: 16px;
 --radius-sm: 12px;
 --header-h: 72px;
 --max: 1160px;
}
/* roulang page: category1 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
 margin: 0;
 color: var(--text);
 background: var(--bg);
 font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 font-size: 16px;
 line-height: 1.75;
 padding-top: var(--header-h);
}
img, svg { max-width: 100%; display: block; }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; appearance: none; -webkit-appearance: none; background: none; }
a { color: var(--text); text-decoration: none; }
a:hover { color: var(--blue); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
h1, h2, h3, p, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
h1 { font-size: 40px; line-height: 1.25; font-weight: 700; }
h2 { font-size: 28px; line-height: 1.35; font-weight: 700; }
h3 { font-size: 18px; line-height: 1.5; font-weight: 700; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: fixed;
 top: 0; left: 0; right: 0;
 z-index: 40;
 height: var(--header-h);
 background: #fff;
 border-bottom: 1px solid var(--line);
}
.nav-bar {
 height: var(--header-h);
 display: flex;
 align-items: center;
 gap: 14px;
 position: relative;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; color: var(--text); }
.brand:hover { color: var(--text); }
.brand-mark {
 width: 42px; height: 42px; flex: 0 0 42px;
 border-radius: 12px;
 background: var(--blue);
 color: #fff;
 display: grid; place-items: center;
 font-weight: 700;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.brand-text b { font-size: 15px; font-weight: 700; white-space: nowrap; }
.brand-text small { font-size: 12px; color: var(--muted); white-space: nowrap; }
.nav-pills { display: flex; align-items: center; gap: 8px; margin-left: 8px; }
.pill {
 display: inline-flex; align-items: center; justify-content: center;
 min-height: 36px; padding: 0 14px;
 border: 1px solid var(--blue); border-radius: 999px;
 color: var(--blue); background: #fff;
 font-size: 14px; font-weight: 700; line-height: 1;
 white-space: nowrap;
 transition: background .2s ease, color .2s ease, transform .15s ease;
}
.pill:hover, .pill.is-active { background: var(--blue); color: #fff; }
.pill:active { background: var(--blue-press); color: #fff; transform: translateY(1px); }
.nav-toggle {
 display: none;
 align-items: center; gap: 6px;
 border: 1px solid var(--line); background: #fff;
 border-radius: var(--radius-sm); min-height: 40px; padding: 0 10px;
 color: var(--text); font-weight: 700;
}
.nav-toggle:hover { border-color: var(--blue); color: var(--blue); }
.nav-toggle:active { transform: translateY(1px); }
.burger { position: relative; width: 16px; height: 12px; display: inline-block; }
.burger span, .burger::before, .burger::after {
 content: ""; position: absolute; left: 0; right: 0; height: 2px;
 background: currentColor; border-radius: 2px;
}
.burger::before { top: 0; }
.burger span { top: 5px; }
.burger::after { bottom: 0; }
.btn {
 display: inline-flex; align-items: center; justify-content: center;
 min-height: 44px; padding: 0 18px;
 border-radius: 999px; border: 1px solid transparent;
 font-weight: 700; line-height: 1.2; text-align: center;
 transition: background .2s ease, color .2s ease, border-color .2s ease, transform .15s ease, box-shadow .2s ease;
}
.btn:hover { color: #fff; }
.btn:active { transform: translateY(1px); }
.btn-solid { background: var(--blue); color: #fff; box-shadow: 0 8px 18px rgba(60, 116, 214, .18); }
.btn-solid:hover, .btn-solid:focus-visible { background: var(--blue-press); color: #fff; }
.btn-solid:active { background: var(--blue-press); }
.btn-line { background: #fff; color: var(--blue); border-color: var(--blue); }
.btn-line:hover, .btn-line:focus-visible { background: var(--blue); color: #fff; }
.btn-line:active { background: var(--blue-press); color: #fff; }
.btn-nav { margin-left: auto; flex: 0 0 auto; min-height: 40px; padding: 0 16px; }
.section { padding: 72px 0; border-top: 1px solid var(--line); }
.section-head { margin-bottom: 22px; max-width: 760px; text-align: left; }
.section-sub, .lead { margin-top: 6px; color: var(--muted); font-size: 16px; }
.badge {
 display: inline-flex; align-items: center;
 min-height: 22px; padding: 0 8px;
 border-radius: 999px;
 background: var(--blue-soft); color: var(--blue);
 font-size: 12px; font-weight: 700; line-height: 1;
}
.badge.clay { background: var(--clay-soft); color: var(--clay); }
.mast { background: #fff; border-top: 0; padding: 36px 0 32px; }
.mast-grid {
 display: grid;
 grid-template-columns: minmax(0, 1.45fr) minmax(260px, .7fr);
 gap: 28px;
 align-items: end;
 padding-bottom: 22px;
 border-bottom: 1px solid var(--line);
}
.kicker { margin-bottom: 12px; }
.meta-card { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.meta-card div {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius-sm);
 padding: 12px 14px;
 box-shadow: var(--shadow);
}
.meta-card dt { color: var(--muted); font-size: 13px; }
.meta-card dd { margin-top: 4px; font-size: 18px; font-weight: 700; }
.filter-sec { background: var(--bg); }
.filters { display: flex; flex-direction: column; gap: 14px; }
.fgroup { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.fgroup b { min-width: 42px; font-size: 14px; }
.chip {
 border: 1px solid var(--line);
 background: #fff;
 color: var(--text);
 border-radius: 999px;
 min-height: 36px;
 padding: 0 14px;
 font-size: 14px;
 font-weight: 700;
 transition: background .2s ease, color .2s ease, border-color .2s ease, transform .15s ease;
}
.chip:hover { border-color: var(--blue); color: var(--blue); }
.chip.is-on { background: var(--blue); border-color: var(--blue); color: #fff; }
.chip:active { transform: translateY(1px); }
.list-sec { background: #fff; }
.layout {
 display: grid;
 grid-template-columns: minmax(0, 1fr) 300px;
 gap: 28px;
 align-items: start;
}
.row {
 display: grid;
 grid-template-columns: 112px minmax(0, 1fr);
 gap: 16px;
 padding: 16px 0;
 border-bottom: 1px solid var(--line);
}
.row time { color: var(--clay); font-weight: 700; font-size: 13px; padding-top: 2px; }
.row h3 { margin: 6px 0 0; }
.row p, .side p, .point p, .rel p, .batch-row p { color: var(--muted); font-size: 15px; margin-top: 4px; }
.row:hover h3 { color: var(--blue); }
.side {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 16px;
 position: sticky;
 top: 88px;
}
.frame {
 aspect-ratio: 16 / 9;
 border-radius: var(--radius-sm);
 background: var(--blue-soft);
 border: 1px solid var(--line);
 display: flex;
 flex-direction: column;
 justify-content: flex-end;
 padding: 12px 14px;
 margin-bottom: 14px;
}
.frame strong { font-size: 16px; }
.frame span { color: var(--muted); font-size: 13px; }
.side h2 { font-size: 22px; margin-bottom: 8px; }
.mini li {
 display: flex;
 justify-content: space-between;
 gap: 10px;
 padding: 10px 0;
 border-bottom: 1px solid var(--line);
 font-size: 15px;
}
.mini li:last-child { border-bottom: 0; }
.mini b { color: var(--clay); font-size: 13px; }
.point-sec { background: var(--bg); }
.point-list { display: flex; flex-direction: column; gap: 10px; }
.point {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 16px;
 background: #fff;
 border: 1px solid var(--line);
 border-left: 3px solid var(--clay);
 border-radius: var(--radius-sm);
 padding: 14px 16px;
 box-shadow: var(--shadow);
 transition: transform .2s ease, box-shadow .2s ease;
}
.point:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.point span { color: var(--muted); font-size: 14px; white-space: nowrap; }
.batch-sec { background: #fff; }
.batch { margin-top: 8px; }
.batch + .batch { margin-top: 26px; }
.batch h3 {
 display: flex;
 justify-content: space-between;
 gap: 12px;
 align-items: baseline;
 padding-bottom: 8px;
 border-bottom: 2px solid var(--text);
 font-size: 18px;
}
.batch h3 em { font-style: normal; color: var(--muted); font-size: 13px; font-weight: 700; }
.batch-row {
 display: grid;
 grid-template-columns: 92px minmax(0, 1fr) auto;
 gap: 12px;
 align-items: center;
 padding: 12px 0;
 border-bottom: 1px solid var(--line);
}
.batch-row time { color: var(--clay); font-size: 13px; font-weight: 700; }
.rel-sec { background: var(--bg); }
.rel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.rel {
 display: block;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 16px 18px;
 color: var(--text);
 transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.rel:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); color: var(--text); border-color: #c9d8ee; }
.rel h3 { margin: 8px 0 4px; }
.rel time { color: var(--muted); font-size: 13px; }
.more-sec { background: #fff; padding-top: 36px; padding-bottom: 36px; }
.more-line {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 16px;
}
.home-sec { background: var(--blue-soft); }
.home-line {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 18px;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 22px 24px;
}
.home-line p { color: var(--muted); margin-top: 6px; }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 42px 0 0; }
.foot-grid { display: grid; grid-template-columns: 1.3fr .7fr 1fr; gap: 28px; padding-bottom: 28px; }
.site-footer h3 { font-size: 16px; margin-bottom: 10px; }
.site-footer .static-note { color: var(--muted); margin-top: 12px; font-size: 14px; }
.foot-grid a { display: block; padding: 4px 0; color: var(--text); border-bottom: 1px solid transparent; width: fit-content; }
.foot-grid a:hover { color: var(--blue); border-bottom-color: var(--blue); }
.copyright {
 border-top: 1px solid var(--line);
 color: var(--muted);
 font-size: 14px;
 padding: 16px 0 22px;
}
@media (max-width: 1200px) {
 .container { width: min(var(--max), calc(100% - 32px)); }
}
@media (max-width: 1024px) {
 .layout { grid-template-columns: minmax(0, 1fr) 260px; }
 h1 { font-size: 34px; }
}
@media (max-width: 960px) {
 .nav-toggle { display: inline-flex; }
 .nav-pills {
  display: none;
  position: absolute;
  top: var(--header-h);
  left: 0; right: 0;
  background: #fff;
  border-bottom: 1px solid var(--line);
  flex-direction: column;
  align-items: stretch;
  padding: 12px 20px 16px;
  margin: 0;
  gap: 8px;
  box-shadow: var(--shadow);
 }
 .nav-pills.is-open { display: flex; }
 .pill { width: 100%; }
 .mast-grid, .layout, .foot-grid, .home-line, .more-line { grid-template-columns: 1fr; display: grid; }
 .side { position: static; }
 .home-line, .more-line { display: flex; flex-direction: column; align-items: flex-start; }
 .section { padding: 56px 0; }
}
@media (max-width: 768px) {
 .rel-grid { grid-template-columns: 1fr; }
 .batch-row { grid-template-columns: 78px minmax(0, 1fr); }
 .batch-row .badge { display: none; }
 h2 { font-size: 24px; }
}
@media (max-width: 640px) {
 .section { padding: 40px 0; }
 .container { width: min(var(--max), calc(100% - 28px)); }
 h1 { font-size: 30px; }
 .brand-mark { width: 36px; height: 36px; flex-basis: 36px; }
 .btn-nav { padding: 0 10px; font-size: 13px; }
 .nav-toggle { padding: 0 8px; font-size: 13px; }
 .row, .point { grid-template-columns: 1fr; display: grid; }
 .point span { white-space: normal; }
 .meta-card { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
 .meta-card { grid-template-columns: 1fr; }
 .brand-text b { font-size: 13px; }
 .fgroup b { width: 100%; }
}

/* roulang page: category2 */
:root {
  --bg: #F4F7FB;
  --card: #FFFFFF;
  --text: #1B2430;
  --muted: #5E6C7B;
  --blue: #3C74D6;
  --blue-press: #2C5BB0;
  --blue-soft: #E7F0FC;
  --line: #E3EAF3;
  --clay: #D26A45;
  --clay-soft: rgba(210, 106, 69, .12);
  --shadow: 0 10px 28px rgba(44, 91, 176, .08);
  --shadow-hover: 0 16px 36px rgba(44, 91, 176, .14);
  --radius: 16px;
  --radius-sm: 12px;
  --header-h: 72px;
  --max: 1160px;
}
/* roulang page: category2 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  padding-top: var(--header-h);
}
img, svg { max-width: 100%; display: block; }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--text); text-decoration: none; }
a:hover { color: var(--blue); }
:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(820px, 100%); }
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 40;
  height: var(--header-h);
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.nav-bar {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 14px;
  position: relative;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; color: var(--text); }
.brand:hover { color: var(--text); }
.brand-mark {
  width: 42px; height: 42px; flex: 0 0 42px;
  border-radius: 12px;
  background: var(--blue);
  color: #fff;
  display: grid; place-items: center;
  font-weight: 700;
  letter-spacing: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.brand-text b { font-size: 15px; font-weight: 700; white-space: nowrap; }
.brand-text small { font-size: 12px; color: var(--muted); white-space: nowrap; }
.nav-pills { display: flex; align-items: center; gap: 8px; margin-left: 8px; }
.pill {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 36px; padding: 0 14px;
  border: 1px solid var(--blue); border-radius: 999px;
  color: var(--blue); background: #fff;
  font-size: 14px; font-weight: 700; line-height: 1;
  transition: background .2s ease, color .2s ease, transform .15s ease, box-shadow .2s ease;
}
.pill:hover, .pill.is-active { background: var(--blue); color: #fff; }
.pill:active { background: var(--blue-press); color: #fff; transform: translateY(1px); }
.nav-toggle {
  display: none;
  align-items: center; gap: 6px;
  border: 1px solid var(--line); background: #fff;
  border-radius: var(--radius-sm); min-height: 40px; padding: 0 10px;
  color: var(--text); font-weight: 700;
  transition: border-color .2s ease, color .2s ease, transform .15s ease;
}
.nav-toggle:hover { border-color: var(--blue); color: var(--blue); }
.nav-toggle:active { transform: translateY(1px); }
.burger { width: 16px; height: 12px; display: inline-block; position: relative; }
.burger span, .burger span::before, .burger span::after {
  position: absolute; left: 0; right: 0; height: 2px; background: currentColor; border-radius: 2px; content: "";
}
.burger span { top: 5px; }
.burger span::before { top: -5px; }
.burger span::after { top: 5px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 18px;
  border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; line-height: 1.2; text-align: center;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .15s ease, box-shadow .2s ease;
}
.btn:hover { color: #fff; }
.btn:active { transform: translateY(1px); }
.btn-solid { background: var(--blue); color: #fff; box-shadow: 0 8px 18px rgba(60, 116, 214, .18); }
.btn-solid:hover { background: var(--blue-press); color: #fff; }
.btn-solid:active { background: var(--blue-press); }
.btn-line { background: #fff; color: var(--blue); border-color: var(--blue); }
.btn-line:hover { background: var(--blue); color: #fff; }
.btn-line:active { background: var(--blue-press); color: #fff; }
.btn-nav { margin-left: auto; flex: 0 0 auto; min-height: 40px; padding: 0 16px; }
.section { padding: 72px 0; border-top: 1px solid var(--line); }
.section.is-white { background: #fff; }
.section-head { margin-bottom: 22px; max-width: 760px; }
.section-head h2, .group-label, .mast h1 { letter-spacing: 0; }
h1 { font-size: 40px; font-weight: 700; line-height: 1.25; margin: 0; }
h2 { font-size: 28px; font-weight: 700; line-height: 1.35; margin: 0; }
h3 { font-size: 18px; font-weight: 700; line-height: 1.45; margin: 0; }
.section-sub { margin: 6px 0 0; color: var(--muted); font-size: 16px; }
.mast { padding: 32px 0 24px; border-top: 0; border-bottom: 2px solid var(--text); }
.crumb { margin: 0 0 12px; color: var(--muted); font-size: 13px; }
.crumb a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.crumb a:hover { color: var(--blue-press); }
.mast h1 span { display: block; margin-top: 8px; font-size: 28px; font-weight: 700; color: var(--blue); }
.mast-sub { margin: 10px 0 0; color: var(--muted); font-size: 16px; }
.meta-strip {
  list-style: none; margin: 18px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg);
}
.meta-strip li { padding: 12px 14px; border-right: 1px solid var(--line); }
.meta-strip li:last-child { border-right: 0; }
.meta-strip span { display: block; color: var(--muted); font-size: 13px; }
.meta-strip b { display: block; margin-top: 2px; font-size: 16px; }
.date-rail {
  display: flex; gap: 12px; overflow-x: auto; padding: 2px 2px 8px;
  scroll-snap-type: x proximity;
}
.date-chip {
  flex: 0 0 auto; min-width: 168px; scroll-snap-align: start;
  display: block; padding: 14px 16px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); color: var(--text);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.date-chip strong { display: block; font-size: 18px; font-weight: 700; }
.date-chip span { display: block; margin-top: 4px; color: var(--clay); font-size: 13px; font-weight: 700; }
.date-chip:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); border-color: var(--blue); color: var(--text); }
.date-chip:active { transform: translateY(1px); }
.group { scroll-margin-top: 96px; margin-top: 8px; }
.group-label {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  margin: 18px 0 12px; padding-bottom: 8px;
  border-bottom: 2px solid var(--text); font-size: 22px; font-weight: 700;
}
.group-label em { font-style: normal; color: var(--clay); font-size: 14px; font-weight: 700; }
.update-row {
  position: relative;
  display: grid; grid-template-columns: 88px minmax(0, 1fr);
  gap: 14px; align-items: center;
  margin: 0 0 10px; padding: 12px 14px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
.update-row:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.update-row time {
  color: var(--clay); font-size: 13px; font-weight: 700; line-height: 1.45;
}
.update-body { min-width: 0; padding-right: 54px; }
.update-body p { margin: 6px 0 0; color: var(--muted); font-size: 15px; }
.seal {
  position: absolute; top: 12px; right: 12px;
  min-width: 36px; height: 24px; padding: 0 6px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--clay); border-radius: 999px;
  color: var(--clay); background: var(--clay-soft);
  font-size: 12px; font-weight: 700; line-height: 1;
}
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 8px; color: var(--muted); font-size: 13px; }
.badge, .tag {
  display: inline-flex; align-items: center; min-height: 24px; padding: 0 8px;
  border-radius: 999px; border: 1px solid transparent;
  background: var(--blue-soft); color: var(--blue);
  font-size: 12px; font-weight: 700; line-height: 1;
}
.badge.clay, .tag.clay { background: var(--clay-soft); color: var(--clay); border-color: transparent; }
.tag { border-color: var(--line); background: var(--bg); color: var(--text); }
.more-line, .back-row {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
}
.seal-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.rhythm-grid, .compare-grid { display: grid; gap: 14px; }
.rhythm-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.compare-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.rhythm, .compare-card, .article-link, .faq-item, .cell, .entry-card, .cover, .pick, .scene, .step, .coop-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.rhythm, .compare-card, .article-link {
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.rhythm:hover, .compare-card:hover, .article-link:hover, .cell:hover, .entry-card:hover, .cover:hover, .pick:hover, .scene:hover, .step:hover, .coop-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.rhythm { padding: 16px 16px 14px; border-top: 3px solid var(--blue); }
.rhythm:nth-child(odd) { border-top-color: var(--clay); }
.rhythm strong { display: block; font-size: 18px; }
.rhythm p, .compare-card p, .article-link p, .cell p, .cover p, .pick p, .scene p, .step p, .entry-card p {
  color: var(--muted); margin: 8px 0 0; font-size: 15px;
}
.compare-card { padding: 16px 16px 8px; border-left: 3px solid var(--blue); }
.compare-card:nth-child(odd) { border-left-color: var(--clay); }
.compare-card h3 { margin-bottom: 8px; }
.compare-card dl { margin: 0; }
.compare-card dl div {
  display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 8px;
  padding: 8px 0; border-top: 1px solid var(--line);
}
.compare-card dt { color: var(--muted); font-size: 14px; }
.compare-card dd { margin: 0; font-weight: 700; }
.article-stack { display: grid; gap: 12px; }
.article-link { display: block; padding: 14px 16px; color: var(--text); }
.article-link time { color: var(--clay); font-size: 13px; font-weight: 700; }
.article-link h3 { margin-top: 4px; }
.article-link:hover h3 { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.faq-list { display: grid; gap: 10px; }
.faq-item { padding: 0 16px; }
.faq-item summary {
  cursor: pointer; list-style: none;
  min-height: 56px; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  font-weight: 700; font-size: 17px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--blue); font-size: 22px; line-height: 1; font-weight: 700; }
.faq-item[open] summary::after { content: "–"; }
.faq-item[open] { border-color: #c9d8f2; }
.faq-item p { margin: 0; padding: 0 0 14px; color: var(--muted); font-size: 15px; }
.back-row { margin-top: 18px; }
.hero { padding: 56px 0 64px; background: #fff; border-top: 0; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .75fr); gap: 36px; align-items: center; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.mast-list { margin: 8px 0 0; padding: 0; list-style: none; }
.mast-list li {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 15px;
}
.mast-list span { color: var(--muted); }
.tag-blue { background: var(--blue-soft); color: var(--blue); }
.tick-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.cell, .step, .scene, .coop-item, .pick, .cover { padding: 16px; }
.entry-list { display: grid; gap: 16px; }
.entry-card {
  display: grid; grid-template-columns: 210px minmax(0, 1fr) auto;
  gap: 18px; align-items: center; padding: 14px;
}
.news-item {
  display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 12px;
  padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--text);
}
.news-item time { color: var(--clay); font-size: 13px; font-weight: 700; }
.search-box {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px;
}
.search-line { display: flex; gap: 10px; }
.search-line input {
  flex: 1; min-width: 0; height: 48px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 0 14px; background: #fff;
}
.search-line input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(60, 116, 214, .15); outline: none; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 48px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr 1fr; gap: 28px; }
.site-footer h3 { margin: 0 0 10px; font-size: 16px; font-weight: 700; }
.site-footer .foot-grid > div > a { display: block; padding: 4px 0; color: var(--text); }
.site-footer .foot-grid > div > a:hover { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.site-footer .brand { display: flex; padding: 0; }
.site-footer .brand:hover { color: var(--text); text-decoration: none; }
.static-note { color: var(--muted); font-size: 14px; margin: 10px 0 0; }
.copyright {
  margin-top: 22px; padding-top: 16px;
  border-top: 1px solid var(--line); color: var(--muted); font-size: 13px;
}
@media (max-width: 1200px) {
  .rhythm-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .entry-card { grid-template-columns: 160px minmax(0, 1fr); }
}
@media (max-width: 1024px) {
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-grid > div:first-child { grid-column: 1 / -1; }
  .compare-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }
  .nav-pills {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 12px 20px 16px;
    box-shadow: var(--shadow);
  }
  .nav-pills.is-open { display: flex; }
  .pill { width: 100%; }
  .rhythm-grid, .meta-strip, .tick-row { grid-template-columns: 1fr 1fr; }
  .meta-strip li:nth-child(1), .meta-strip li:nth-child(2) { border-bottom: 1px solid var(--line); }
  .hero-grid, .entry-card { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  h1 { font-size: 32px; }
  .mast h1 span, h2 { font-size: 24px; }
  .compare-grid, .foot-grid { grid-template-columns: 1fr; }
  .foot-grid > div:first-child { grid-column: auto; }
}
@media (max-width: 640px) {
  .section { padding: 40px 0; }
  .mast { padding: 24px 0 18px; }
  .meta-strip, .rhythm-grid { grid-template-columns: 1fr; }
  .meta-strip li { border-right: 0; border-bottom: 1px solid var(--line); }
  .meta-strip li:last-child { border-bottom: 0; }
  .more-line, .back-row { flex-direction: column; align-items: flex-start; }
  .update-row { grid-template-columns: 72px minmax(0, 1fr); padding: 10px 12px; }
  .update-body { padding-right: 46px; }
  .group-label { font-size: 18px; }
}
@media (max-width: 520px) {
  .container { width: min(var(--max), calc(100% - 28px)); }
  .brand-text b { font-size: 13px; }
  .brand-mark { width: 36px; height: 36px; flex-basis: 36px; }
  .btn-nav { padding: 0 10px; font-size: 13px; }
  h1 { font-size: 28px; }
  .mast h1 span { font-size: 20px; }
  .more-line .btn, .back-row .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}