/* roulang page: index */
:root {
  --bg: #F3F6FB;
  --surface: #FFFFFF;
  --ink: #172033;
  --muted: #5E6D82;
  --line: #E4ECF5;
  --blue: #2A62E3;
  --blue-soft: #E8F0FF;
  --amber: #F0A202;
  --magenta: #FF3D8A;
  --nav: #0C1220;
  --neon: #39F3E3;
  --shadow: 0 12px 32px rgba(23, 32, 51, .08);
  --radius: 16px;
  --pad: 24px;
  --gap: 28px;
  --max: 1120px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}
img { max-width: 100%; display: block; border: 0; }
button, input, select, textarea { font-family: inherit; font-size: 16px; color: inherit; }
a { color: var(--blue); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--magenta); }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}
h1, h2, h3, p { margin: 0; }
h1 { font-size: 44px; line-height: 1.2; font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: 30px; line-height: 1.3; font-weight: 700; }
h3 { font-size: 20px; line-height: 1.4; font-weight: 700; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--nav);
  color: #fff;
  box-shadow: 0 10px 28px rgba(8, 12, 24, .28);
}
.nav-line {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon), #7dfff4 70%, transparent);
}
.nav-bar {
  min-height: 74px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.logo {
  display: flex;
  flex-direction: column;
  color: #fff;
  text-decoration: none;
  line-height: 1.15;
  font-weight: 700;
  flex: 0 0 auto;
}
.logo span:first-child { font-size: 15px; letter-spacing: .04em; }
.logo span:last-child { font-size: 13px; color: var(--neon); text-shadow: 0 0 10px rgba(57, 243, 227, .45); }
.nav-panel {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
}
.nav-panel a {
  color: rgba(255, 255, 255, .78);
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 15px;
}
.nav-panel a:hover { color: #fff; background: rgba(57, 243, 227, .08); }
.nav-panel a.is-active {
  color: #fff;
  filter: brightness(1.15);
  text-shadow: 0 0 12px var(--neon);
  box-shadow: inset 0 -2px 0 var(--neon);
}
.nav-cta {
  margin-left: auto;
  background: var(--magenta);
  color: #fff !important;
  border-radius: 999px;
  padding: 10px 16px !important;
  font-weight: 700;
  box-shadow: 0 0 0 1px rgba(255, 61, 138, .4), 0 0 18px rgba(255, 61, 138, .35);
}
.nav-cta:hover { filter: brightness(1.08); background: var(--magenta); color: #fff !important; }
.age-badge {
  flex: 0 0 auto;
  border: 1px solid var(--neon);
  color: var(--neon);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  text-shadow: 0 0 8px rgba(57, 243, 227, .65);
}
.nav-toggle {
  display: none;
  margin-left: auto;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(57, 243, 227, .5);
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
}
.nav-toggle:hover, .nav-toggle:focus-visible { box-shadow: 0 0 14px rgba(57, 243, 227, .45); }
main { display: block; }
.section { padding: 80px 0; }
.section h2 { margin-bottom: 12px; }
.lead { color: var(--muted); max-width: 760px; margin-bottom: 28px; }
.bg-white { background: var(--surface); }
.bg-soft { background: var(--bg); }
.bg-blue { background: linear-gradient(180deg, #f7faff 0%, var(--blue-soft) 100%); }
.board-grid, .matrix, .assure-grid, .path-grid { display: grid; gap: var(--gap); }
.board-grid { grid-template-columns: 1.15fr .85fr; align-items: stretch; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  background: var(--blue-soft);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 16px;
}
.sub { margin: 14px 0 12px; font-size: 18px; line-height: 1.6; }
.board-copy .lead { margin-bottom: 18px; }
.text-link { font-weight: 700; }
.metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.metric, .card, .cmp-row, .spec-card, .mile, .news-row, .pick-card, .assure, .quick-item, .faq-item, .form-card, .scene, .matrix-main, .matrix-side a {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.metric { padding: 18px var(--pad) 16px; position: relative; overflow: hidden; }
.metric::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: linear-gradient(90deg, var(--amber), var(--blue)); }
.num {
  display: block;
  font-size: 40px;
  line-height: 1.1;
  font-weight: 700;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}
.num small { font-size: 18px; margin: 0 2px; color: var(--ink); }
.metric span, .node small, .meta, .when { color: var(--muted); font-size: 13px; }
.metric b { display: block; margin-top: 6px; font-size: 15px; }
.moment { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; position: relative; }
.moment::before {
  content: "";
  position: absolute;
  left: 6%;
  right: 6%;
  top: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--amber), var(--blue), var(--neon));
}
.node {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  position: relative;
}
.node i {
  display: block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px #fff, 0 0 0 6px rgba(240, 162, 2, .35);
  margin-bottom: 10px;
}
.node strong { display: block; font-size: 18px; }
.node em { font-style: normal; font-variant-numeric: tabular-nums; color: var(--blue); font-weight: 700; }
.matrix { grid-template-columns: 1.15fr .85fr; align-items: stretch; }
.matrix-main {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100%;
  padding: 28px;
  background:
    radial-gradient(420px 180px at 100% 0%, rgba(42, 98, 227, .16), transparent 70%),
    var(--surface);
  text-decoration: none;
  color: var(--ink);
}
.matrix-main:hover { color: var(--ink); transform: translateY(-2px); }
.matrix-side { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.matrix-side a {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 14px 16px;
  text-decoration: none;
  color: var(--ink);
  min-height: 92px;
}
.matrix-side a:hover, .scene:hover, .pick-card:hover, .news-row:hover, .assure:hover {
  transform: translateY(-2px);
  border-color: #d5e3f8;
  color: var(--ink);
}
.badge, .tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 700;
  background: var(--blue-soft);
  color: var(--blue);
  width: fit-content;
}
.tag-amber { background: #fff6e4; color: #9a6800; }
.matrix-main p, .scene p, .pick-card p, .assure p, .mile p, .spec-card p { color: var(--muted); margin-top: 8px; }
.scene-list { display: flex; flex-direction: column; gap: 14px; }
.scene {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 18px;
  padding: 12px;
  text-decoration: none;
  color: var(--ink);
  align-items: center;
}
.cover {
  height: 104px;
  border-radius: 12px;
  border: 0;
}
.cover-a { background: linear-gradient(135deg, #2A62E3, #9db7ff 55%, #F0A202); }
.cover-b { background: linear-gradient(160deg, #17315f, #7aa2ff 60%, #E8F0FF); }
.cover-c { background: linear-gradient(135deg, #F0A202, #fff 42%, #2A62E3); }
.cmp-list { display: flex; flex-direction: column; gap: 14px; }
.cmp-row { padding: 0; }
.cmp-row summary, .cmp-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 16px var(--pad);
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
.cmp-row summary::-webkit-details-marker { display: none; }
.meters { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 22px; padding: 0 var(--pad) 18px; }
.meter-label { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); }
.meter { height: 8px; background: var(--blue-soft); border-radius: 999px; overflow: hidden; margin-top: 6px; }
.meter span { display: block; height: 100%; background: var(--blue); border-radius: inherit; }
.meter.alt span { background: var(--amber); }
.spec-grid, .assure-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.spec-card, .assure, .mile { padding: var(--pad); }
.spec-card ul, .mile ul { margin: 10px 0 0; padding-left: 18px; color: var(--muted); }
.timeline { list-style: none; margin: 0; padding: 0; border-left: 2px solid #d7e3f7; }
.mile { margin: 0 0 16px 18px; position: relative; }
.mile::before {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--blue);
  border: 3px solid #fff;
  box-shadow: 0 0 0 1px var(--blue);
  position: absolute;
  left: -27px;
  top: 26px;
}
.news-list { display: flex; flex-direction: column; gap: 10px; }
.news-row {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  text-decoration: none;
  color: var(--ink);
  border-left: 4px solid var(--amber);
}
.news-row time { font-variant-numeric: tabular-nums; color: var(--blue); font-weight: 700; }
.more-row { display: flex; justify-content: flex-end; margin-top: 16px; }
.btn, .more-row a.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  font-weight: 700;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 8px 18px rgba(42, 98, 227, .22); }
.btn-primary:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 12px 24px rgba(42, 98, 227, .32); }
.btn-ghost { background: #fff; color: var(--blue); border: 1px solid var(--line); }
.btn-ghost:hover { color: var(--magenta); }
.rail-wrap { position: relative; }
.pick-rail {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 2px 12px;
}
.pick-card { flex: 0 0 280px; scroll-snap-align: start; padding: 12px 12px 18px; text-decoration: none; color: var(--ink); }
.pick-card img { height: 132px; width: 100%; object-fit: cover; border-radius: 12px; }
.path-grid { grid-template-columns: repeat(4, 1fr); }
.path-grid article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--pad);
  min-height: 180px;
}
.step-no { font-variant-numeric: tabular-nums; color: var(--amber); font-weight: 700; font-size: 13px; }
.quick-list { display: grid; gap: 12px; }
.quick-item { padding: 16px var(--pad); display: grid; grid-template-columns: 180px 1fr; gap: 16px; }
.quick-item dt { font-weight: 700; }
.quick-item dd { margin: 0; color: var(--muted); }
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item { padding: 0; overflow: hidden; }
.faq-item summary { padding: 16px var(--pad); cursor: pointer; font-weight: 700; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; float: right; color: var(--blue); font-weight: 700; }
.faq-item[open] summary::after { content: "–"; }
.faq-item[open] { background: var(--blue-soft); }
.faq-item p { padding: 0 var(--pad) 16px; color: var(--ink); }
.form-card { max-width: 760px; padding: 28px; }
.form-grid { display: grid; gap: 14px; }
label { display: grid; gap: 6px; font-weight: 700; font-size: 14px; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 12px 14px;
  outline: none;
}
textarea { min-height: 120px; resize: vertical; }
.form-ok, .form-err { padding: 14px 16px; border-radius: 12px; margin-bottom: 12px; }
.form-ok { background: var(--blue-soft); color: var(--blue); font-weight: 700; }
.form-err { background: #fff1f4; color: #a11d48; }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 48px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.3fr .9fr .9fr; gap: 28px; }
.site-footer h2 { font-size: 20px; }
.site-footer p, .site-footer li { color: var(--muted); }
.site-footer ul { margin: 8px 0 0; padding: 0; list-style: none; }
.copyright { margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
@media (max-width: 1100px) {
  .spec-grid, .assure-grid, .path-grid { grid-template-columns: 1fr 1fr; }
  .board-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  h1 { font-size: 30px; }
  h2 { font-size: 26px; }
  .nav-toggle { display: inline-flex; }
  .nav-panel {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 76px;
    background: #10182b;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px 18px;
    border-bottom: 2px solid var(--neon);
  }
  body.nav-open .nav-panel { display: flex; }
  .nav-cta { margin-left: 0; text-align: center; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .matrix, .moment, .quick-item, .scene, .news-row, .foot-grid { grid-template-columns: 1fr; }
  .matrix-side { grid-template-columns: 1fr; }
  .moment::before { display: none; }
  .meters { grid-template-columns: 1fr; }
  .news-row { grid-template-columns: 72px 1fr; }
  .news-row .badge { display: none; }
}
@media (min-width: 769px) {
  .cmp-row .meters { display: grid; }
  .cmp-row summary { pointer-events: none; }
}
@media (max-width: 480px) {
  .container { width: min(var(--max), calc(100% - 28px)); }
  .metrics, .spec-grid, .assure-grid, .path-grid { grid-template-columns: 1fr; }
  .num { font-size: 34px; }
  .logo span:first-child { font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* roulang page: category1 */
:root {
  --bg: #F3F6FB;
  --surface: #FFFFFF;
  --ink: #172033;
  --muted: #5E6D82;
  --line: #E4ECF5;
  --blue: #2A62E3;
  --blue-soft: #E8F0FF;
  --amber: #F0A202;
  --magenta: #FF3D8A;
  --nav: #0C1220;
  --neon: #39F3E3;
  --shadow: 0 12px 32px rgba(23, 32, 51, .08);
  --radius: 16px;
  --pad: 24px;
  --gap: 28px;
  --max: 1120px;
}
:root {
  --bg: #F3F6FB;
  --surface: #FFFFFF;
  --ink: #172033;
  --muted: #5E6D82;
  --line: #E4ECF5;
  --blue: #2A62E3;
  --blue-soft: #E8F0FF;
  --amber: #F0A202;
  --magenta: #FF3D8A;
  --nav: #0C1220;
  --neon: #39F3E3;
  --shadow: 0 12px 32px rgba(23, 32, 51, .08);
  --radius: 16px;
  --pad: 24px;
  --gap: 28px;
  --max: 1120px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}
img { max-width: 100%; display: block; border: 0; }
button, input, select, textarea { font-family: inherit; font-size: 16px; color: inherit; }
a { color: var(--blue); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--magenta); }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}
[hidden] { display: none !important; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--nav);
  color: #fff;
  box-shadow: 0 10px 28px rgba(8, 12, 24, .28);
}
.nav-line {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon), #7dfff4 70%, transparent);
}
.nav-bar {
  min-height: 74px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
}
.logo {
  display: flex;
  flex-direction: column;
  color: #fff;
  text-decoration: none;
  line-height: 1.15;
  font-weight: 700;
  flex: 0 0 auto;
}
.logo span:first-child { font-size: 15px; letter-spacing: .04em; }
.logo span:last-child { font-size: 13px; color: var(--neon); text-shadow: 0 0 10px rgba(57, 243, 227, .45); }
.nav-panel {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
}
.nav-panel a {
  color: rgba(255, 255, 255, .78);
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 15px;
}
.nav-panel a:hover { color: #fff; background: rgba(57, 243, 227, .08); }
.nav-panel a.is-active {
  color: #fff;
  filter: brightness(1.15);
  text-shadow: 0 0 12px var(--neon);
  box-shadow: inset 0 -2px 0 var(--neon);
}
.nav-cta {
  margin-left: auto;
  background: var(--magenta);
  color: #fff !important;
  border-radius: 999px;
  padding: 10px 16px !important;
  font-weight: 700;
  box-shadow: 0 0 0 1px rgba(255, 61, 138, .4), 0 0 18px rgba(255, 61, 138, .35);
}
.nav-cta:hover { filter: brightness(1.08); background: var(--magenta); color: #fff !important; }
.age-badge {
  flex: 0 0 auto;
  border: 1px solid var(--neon);
  color: var(--neon);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  text-shadow: 0 0 8px rgba(57, 243, 227, .65);
}
.nav-toggle {
  display: none;
  margin-left: auto;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(57, 243, 227, .5);
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
}
.nav-toggle:hover, .nav-toggle:focus-visible { box-shadow: 0 0 14px rgba(57, 243, 227, .45); }
main { display: block; }
.section { padding: 80px 0; }
.section h2 { margin: 0 0 12px; font-size: 30px; line-height: 1.3; font-weight: 700; }
h1 { margin: 0 0 12px; font-size: 44px; line-height: 1.2; font-weight: 700; }
h3 { margin: 0; font-size: 20px; line-height: 1.4; font-weight: 700; }
.lead { color: var(--muted); max-width: 760px; margin: 0 0 28px; }
.badge, .tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 700;
  background: var(--blue-soft);
  color: var(--blue);
  width: fit-content;
}
.tag-amber { background: #fff6e4; color: #9a6800; }
.meta, .when { color: var(--muted); font-size: 13px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease, background .2s ease;
}
.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 8px 18px rgba(42, 98, 227, .22);
}
.btn-primary:hover {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 16px 30px rgba(42, 98, 227, .34);
}
.btn-primary:active { transform: translateY(0); box-shadow: 0 6px 14px rgba(42, 98, 227, .2); }
.cat-head { padding-bottom: 36px; }
.head-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: var(--gap);
  align-items: end;
}
.filter-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}
.filter-box p { margin: 0 0 12px; color: var(--muted); font-size: 13px; font-weight: 700; }
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-row button {
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
  font-weight: 700;
  transition: background .2s ease, color .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.filter-row button:hover { border-color: #c9d8f5; background: var(--blue-soft); }
.filter-row button.is-on {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
  box-shadow: 0 8px 18px rgba(42, 98, 227, .25);
}
.cat-list { padding-top: 12px; padding-bottom: 8px; }
.entry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.entry {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  min-height: 168px;
  transition: transform .2s ease, border-color .2s ease;
}
.entry:hover { transform: translateY(-2px); border-color: #d5e3f8; }
.swatch {
  border-radius: 12px;
  min-height: 136px;
}
.cover-jp { background: linear-gradient(135deg, #2A62E3, #9db7ff 55%, #F0A202); }
.cover-kr { background: linear-gradient(160deg, #8eb0ff, #e8f0ff 58%, #f0a202); }
.cover-west { background: linear-gradient(145deg, #d9e6ff, #9fd8ea 46%, #2A62E3); }
.cover-cn { background: linear-gradient(150deg, #ffe3a8, #fff 42%, #7ea2f5); }
.entry-body { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.entry-body p { margin: 0; color: var(--muted); }
.entry-body h3 a { text-decoration: underline; text-underline-offset: 2px; }
.entry time { font-variant-numeric: tabular-nums; color: var(--blue); font-weight: 700; }
.cat-count { padding-top: 0; padding-bottom: 28px; }
.result-line {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.75;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--amber);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 12px 16px;
}
.result-line span { color: var(--blue); font-variant-numeric: tabular-nums; }
.cat-today { padding-top: 20px; padding-bottom: 20px; }
.mini-metric {
  display: flex;
  align-items: baseline;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px;
  box-shadow: 0 6px 16px rgba(23, 32, 51, .05);
}
.mini-metric strong {
  font-size: 22px;
  font-variant-numeric: tabular-nums;
  color: var(--blue);
  font-weight: 700;
}
.mini-metric small { color: var(--muted); }
.band { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.topic-list { display: flex; flex-direction: column; gap: 12px; }
.topic-bar {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 16px;
  align-items: center;
  text-decoration: none;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow);
  transition: transform .2s ease, border-color .2s ease;
}
.topic-bar:hover { color: var(--ink); transform: translateY(-2px); border-color: #d5e3f8; }
.topic-bar strong { font-size: 18px; }
.diff-list { display: flex; flex-direction: column; gap: 14px; }
.diff-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px var(--pad);
  border-left: 4px solid var(--blue);
}
.diff-item:nth-child(2) { border-left-color: var(--amber); }
.diff-item:nth-child(3) { border-left-color: #9db7ff; }
.diff-item p { margin: 8px 0 0; color: var(--muted); }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.faq-item[open] { background: var(--blue-soft); }
.faq-item summary {
  padding: 16px var(--pad);
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--blue);
  font-weight: 700;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin: 0; padding: 0 var(--pad) 16px; color: var(--muted); }
.cat-form { padding-bottom: 96px; }
.form-card {
  max-width: 520px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--pad);
}
.form-card label { display: block; font-weight: 700; margin: 14px 0 6px; }
.form-card input, .form-card select, .form-card textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 12px 14px;
  outline: none;
}
.form-card textarea { min-height: 110px; resize: vertical; }
.form-card .btn { margin-top: 16px; width: 100%; }
.form-done {
  margin: 0;
  padding: 18px;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 700;
}
.site-footer {
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 48px 0 28px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.3fr .8fr 1fr;
  gap: var(--gap);
}
.site-footer h2 { font-size: 18px; margin: 0 0 10px; }
.site-footer p, .site-footer li { color: var(--muted); }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li + li { margin-top: 6px; }
.copyright {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
@media (max-width: 1100px) {
  .head-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 1024px) {
  .entry-grid { gap: 14px; }
  .topic-bar { grid-template-columns: 72px 1fr; }
  .topic-bar .meta { grid-column: 2; }
}
@media (max-width: 768px) {
  h1 { font-size: 30px; }
  .section h2 { font-size: 26px; }
  .section { padding: 56px 0; }
  .nav-toggle { display: inline-flex; order: 2; }
  .logo { order: 1; }
  .age-badge { order: 3; }
  .nav-bar { flex-wrap: wrap; }
  .nav-panel {
    display: none;
    order: 4;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 4px 0 12px;
  }
  .nav-panel.is-open { display: flex; }
  .nav-cta { margin-left: 0; text-align: center; }
  .entry-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .cat-form { padding-bottom: 64px; }
}
@media (max-width: 520px) {
  .container { width: min(var(--max), calc(100% - 28px)); }
  .entry { grid-template-columns: 72px 1fr; padding: 12px; }
  .swatch { min-height: 96px; }
  .topic-bar { grid-template-columns: 1fr; }
  .topic-bar .meta { grid-column: auto; }
  .mini-metric { flex-wrap: wrap; }
}
@media (max-width: 480px) {
  h1 { font-size: 28px; }
  .filter-row button { padding: 8px 10px; }
  .logo span:first-child { font-size: 14px; }
}