/* roulang page: index */
:root {
  --blue: #2b6de5;
  --blue-dark: #1b4eaf;
  --blue-ink: #17356f;
  --blue-soft: #e7f0ff;
  --ink: #243044;
  --muted: #5c6b82;
  --bg: #f4f7fb;
  --bg-2: #eaf1f9;
  --white: #ffffff;
  --line: #d5e1f0;
  --amber: #e39a2d;
  --magenta: #d4537e;
  --mint: #2fbfa3;
  --shadow: 0 16px 40px rgba(36, 64, 90, 0.08);
  --shadow-tight: 0 8px 20px rgba(36, 64, 90, 0.06);
  --radius: 12px;
  --font: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  --pixel: "Cascadia Mono", "Sarasa Mono SC", Consolas, "Courier New", ui-monospace, monospace;
  --nav-h: 76px;
  --max: 1180px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; border: 0; }
button, input, textarea { font-family: inherit; font-size: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 0.8rem; }
h1, h2, h3, h4 { margin: 0 0 0.6rem; line-height: 1.35; font-weight: 700; color: var(--blue-ink); }
ul, ol { margin: 0; padding: 0; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}
.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--blue);
  color: #fff;
  padding: 8px 12px;
  z-index: 200;
  border-radius: 8px;
}
.skip:focus { top: 8px; }
.grid-container { width: min(var(--max), calc(100% - 32px)); }
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 80;
  height: var(--nav-h);
  background: rgba(255, 255, 255, 0.58);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.86);
  box-shadow: 0 8px 28px rgba(47, 111, 237, 0.06);
  transition: background 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.site-header.is-solid {
  background: #fff;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom-color: var(--line);
  box-shadow: 0 10px 24px rgba(36, 64, 90, 0.08);
}
.nav-bar {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 18px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--ink);
  font-weight: 750;
  letter-spacing: 0;
}
.logo-mark {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  background:
    linear-gradient(var(--blue), var(--blue)) 0 0/8px 2px no-repeat,
    linear-gradient(var(--blue), var(--blue)) 0 0/2px 8px no-repeat,
    linear-gradient(var(--amber), var(--amber)) 10px 10px/8px 2px no-repeat,
    linear-gradient(var(--amber), var(--amber)) 16px 10px/2px 8px no-repeat,
    linear-gradient(var(--mint), var(--mint)) 8px 4px/2px 2px no-repeat;
}
.logo-text { font-size: 16px; white-space: nowrap; }
.nav-panel {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}
.nav-links { display: flex; align-items: center; gap: 6px; list-style: none; }
.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 12px;
  border-radius: 8px;
  color: var(--ink);
  font-size: 15px;
}
.nav-links a:hover { background: rgba(43, 109, 229, 0.08); color: var(--blue-dark); }
.nav-links a.is-active {
  background: var(--blue-soft);
  color: var(--blue-dark);
  box-shadow: inset 0 -2px 0 var(--blue);
}
.nav-search { display: flex; align-items: center; }
.nav-search input {
  width: 210px;
  height: 40px;
  padding: 0 12px;
  border: 1px solid #c9d7ea;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
  outline: none;
}
.nav-search input::placeholder { color: #8aa; }
.nav-search input:focus {
  border-color: var(--blue);
  box-shadow: 3px 3px 0 rgba(43, 109, 229, 0.25);
}
.nav-toggle {
  display: none;
  margin-left: auto;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  cursor: pointer;
}
.px-btn, button.px-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 8px;
  border: 2px solid var(--blue);
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  letter-spacing: 0;
  cursor: pointer;
  box-shadow: 2px 2px 0 var(--blue-dark);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.px-btn:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--blue-dark); color: #fff; }
.px-btn:active { transform: translate(0, 0); box-shadow: none; }
.px-btn-ghost {
  background: transparent;
  color: var(--blue-dark);
  box-shadow: 2px 2px 0 rgba(43, 109, 229, 0.25);
}
.px-btn-ghost:hover { background: #fff; color: var(--blue-dark); }
.px-btn-sm { min-height: 40px; padding: 0 12px; font-size: 14px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}
main { display: block; }
.block { padding: 88px 0; position: relative; }
.block-alt { background: var(--bg-2); }
.block-plain { background: var(--white); }
.dash {
  min-height: 100vh;
  padding: calc(var(--nav-h) + 36px) 0 64px;
  background:
    radial-gradient(rgba(43, 109, 229, 0.14) 1px, transparent 1px) 0 0/14px 14px,
    linear-gradient(180deg, #f8fbff 0%, #eef4fb 100%);
}
.sec-index {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--pixel);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--blue);
}
.sec-index i {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 6px;
  background: var(--amber);
  box-shadow: 8px 0 0 var(--magenta), 16px 0 0 var(--mint);
  vertical-align: 1px;
}
h1 { font-size: clamp(32px, 4vw, 52px); max-width: 16em; }
h2 { font-size: clamp(24px, 2.4vw, 32px); }
h3 { font-size: 18px; }
.q-line {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--magenta);
}
.lede { max-width: 68ch; color: var(--muted); font-size: 16px; }
.lede strong { color: var(--ink); font-weight: 700; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 18px 0 28px; }
.metric {
  height: 100%;
  padding: 18px 16px 16px;
  background: var(--white);
  border: 1px solid rgba(213, 225, 240, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow-tight);
  position: relative;
}
.metric::before, .px-card::before, .dir-bar::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 8px;
  width: 9px;
  height: 9px;
  background:
    linear-gradient(var(--blue), var(--blue)) 0 0/9px 2px no-repeat,
    linear-gradient(var(--blue), var(--blue)) 0 0/2px 9px no-repeat;
  opacity: 0.55;
}
.metric .num {
  display: block;
  margin: 8px 0 2px;
  font-family: var(--pixel);
  font-size: 34px;
  line-height: 1.1;
  color: var(--blue);
}
.metric b { display: block; color: var(--ink); font-size: 15px; }
.metric span { display: block; color: var(--muted); font-size: 13px; line-height: 1.6; }
.dot { width: 7px; height: 7px; display: inline-block; margin-right: 6px; }
.dot-a { background: var(--amber); }
.dot-m { background: var(--magenta); }
.dot-g { background: var(--mint); }
.dot-b { background: var(--blue); }
.px-card {
  position: relative;
  height: 100%;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 22px 18px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.px-card:hover { transform: translate(-2px, -2px); box-shadow: 8px 12px 0 rgba(43, 109, 229, 0.08), var(--shadow); }
.px-card p, .topic-card p, .scene-card p { color: var(--muted); font-size: 14px; line-height: 1.7; margin: 0; }
.play-card { min-height: 100%; display: flex; flex-direction: column; justify-content: space-between; background: linear-gradient(180deg, #fff, #f7faff); }
.fake-bar {
  margin-top: 18px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f9fbfe;
}
.track { height: 8px; background: #e5eef8; position: relative; }
.track i { position: absolute; left: 0; top: 0; bottom: 0; width: 46%; background: var(--blue); }
.track i::after {
  content: "";
  position: absolute;
  right: -4px;
  top: -3px;
  width: 8px;
  height: 14px;
  background: var(--amber);
}
.bar-meta { display: flex; justify-content: space-between; gap: 8px; margin-top: 8px; font-family: var(--pixel); font-size: 12px; color: var(--blue-dark); }
.stack-gap { display: grid; gap: 18px; }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 26px;
  padding: 0 8px;
  margin: 0 6px 6px 0;
  border-radius: 999px;
  background: #eef3fb;
  color: var(--blue-ink);
  font-size: 12px;
  border: 1px solid #d7e3f3;
}
.tag::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--mint);
  box-shadow: 0 0 0 1px rgba(47, 191, 163, 0.25);
}
.scene-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 1fr);
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x mandatory;
}
.scene-card {
  scroll-snap-align: start;
  display: block;
  min-height: 180px;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-tight);
  position: relative;
}
.scene-card:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 rgba(43, 109, 229, 0.12); }
.scene-card strong { display: block; margin: 8px 0; color: var(--blue-ink); }
.k { font-family: var(--pixel); font-size: 12px; color: var(--blue); }
.cmp-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow-tight); }
table.cmp { width: 100%; border-collapse: collapse; min-width: 720px; margin: 0; }
table.cmp th, table.cmp td { padding: 14px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); font-size: 14px; line-height: 1.65; }
table.cmp th { background: #f5f8fd; color: var(--blue-ink); font-weight: 700; }
table.cmp tr:last-child td { border-bottom: 0; }
table.cmp td:first-child { font-weight: 700; color: var(--ink); white-space: nowrap; }
table.cmp caption { caption-side: bottom; text-align: left; padding: 10px 16px 14px; color: var(--muted); font-size: 13px; }
.dir-bar {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 18px 18px 22px;
  background: #fff;
  border: 1px dashed #b9cce6;
  border-radius: var(--radius);
  box-shadow: var(--shadow-tight);
}
.dir-bar h3 { margin: 0 0 4px; }
.dir-bar p { margin: 0; color: var(--muted); font-size: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin-left: auto; }
.chips li {
  padding: 4px 10px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--blue-ink);
}
.mile-list { list-style: none; display: flex; gap: 0; margin-top: 8px; }
.mile-list li {
  flex: 1;
  position: relative;
  padding: 28px 16px 8px 0;
}
.mile-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 12px;
  height: 12px;
  background: var(--blue);
  box-shadow: 0 0 0 4px #e7f0ff;
}
.mile-list li::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 0;
  top: 13px;
  height: 2px;
  background-image: linear-gradient(90deg, var(--blue) 40%, transparent 0);
  background-size: 8px 2px;
  opacity: 0.45;
}
.mile-list li:last-child::after { display: none; }
.mile-list strong { display: block; margin-bottom: 6px; }
.mile-list p { color: var(--muted); font-size: 14px; }
.topic-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 168px;
  height: 100%;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-tight);
  position: relative;
}
.topic-card:hover { transform: translate(-2px, -2px); }
.topic-card h3 { font-size: 20px; }
.wide-topic { background: linear-gradient(180deg, #fff 0%, #f3f7fd 100%); }
.news-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 16px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  background-image: linear-gradient(180deg, transparent 95%, rgba(43, 109, 229, 0.04) 100%);
}
.news-item time { font-family: var(--pixel); font-size: 13px; color: var(--blue); padding-top: 4px; }
.news-item h3 { font-size: 18px; margin: 0 0 6px; }
.news-item h3 a:hover { color: var(--blue); }
.news-item p { margin: 0; color: var(--muted); font-size: 14px; }
.more-row { display: flex; justify-content: flex-end; margin-top: 16px; }
.badge-wall { display: flex; flex-wrap: wrap; gap: 12px; margin: 18px 0; }
.badge {
  flex: 1 1 180px;
  padding: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow-tight);
}
.badge b { display: block; margin-bottom: 4px; }
.badge span { color: var(--muted); font-size: 13px; }
.check-list { list-style: none; display: grid; gap: 10px; }
.check-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 8px;
  align-items: start;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.check-list svg { margin-top: 4px; }
.qa-row {
  display: grid;
  grid-template-columns: minmax(180px, 280px) 1fr;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.qa-row h3 { font-size: 17px; margin: 0; }
.qa-row p { margin: 0; color: var(--muted); }
.acc { border-top: 1px solid var(--line); }
.acc details { border-bottom: 1px solid var(--line); background: transparent; }
.acc summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 8px;
  font-weight: 700;
  color: var(--blue-ink);
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: "+"; font-family: var(--pixel); color: var(--blue); }
.acc details[open] summary::after { content: "–"; }
.acc details p { margin: 0; padding: 0 8px 16px; color: var(--muted); }
.steps { position: relative; }
.step {
  height: 100%;
  padding: 16px 16px 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-tight);
}
.step .n {
  font-family: var(--pixel);
  color: var(--blue);
  font-size: 20px;
}
.step a { color: var(--blue-dark); font-weight: 700; }
.step a:hover { text-decoration: underline; }
.device-visual {
  min-height: 220px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow);
  padding: 16px;
  position: relative;
}
.screen {
  height: 150px;
  border: 2px solid var(--blue-ink);
  border-radius: 8px;
  background:
    linear-gradient(#243044, #243044) 0 78%/100% 28px no-repeat,
    linear-gradient(#d7e6fb, #f7fbff);
  position: relative;
}
.screen em {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 6px;
  color: #fff;
  font-style: normal;
  font-size: 13px;
  text-align: center;
}
.shift { margin-top: 28px; }
.shift-late { margin-top: 48px; }
.form-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 6px solid var(--blue);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
label { display: block; font-weight: 700; margin-bottom: 6px; color: var(--blue-ink); }
.field { margin-bottom: 14px; }
input[type="text"], textarea {
  width: 100%;
  border: 1px solid #c9d7ea;
  background: #fbfcfe;
  border-radius: 8px;
  padding: 10px 12px;
  outline: none;
}
textarea { min-height: 96px; resize: vertical; }
input[type="text"]:focus, textarea:focus {
  border-color: var(--blue);
  box-shadow: 3px 3px 0 rgba(43, 109, 229, 0.2);
}
.check { display: flex; gap: 8px; align-items: flex-start; font-weight: 500; color: var(--ink); }
.check input { margin-top: 6px; }
.was-validated input:invalid, .was-validated textarea:invalid { border-color: var(--magenta); }
.form-msg {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  background: #f6fbf8;
  border: 1px solid #cfeedd;
}
.form-msg.err { background: #fff6f8; border-color: #f3d0db; }
.side-note {
  height: 100%;
  padding: 18px;
  background: var(--blue-soft);
  border-radius: var(--radius);
}
.side-note li { margin: 8px 0 8px 1.1em; color: var(--muted); }
.site-footer {
  background: #f8fbff;
  border-top: 1px solid var(--line);
  padding: 42px 0 28px;
  color: var(--muted);
}
.site-footer h2 { font-size: 16px; }
.site-footer a { color: var(--blue-dark); }
.site-footer a:hover { text-decoration: underline; }
.foot-brand { color: var(--ink); font-weight: 800; font-size: 18px; display: block; margin-bottom: 8px; }
.foot-links { list-style: none; }
.foot-links li { margin: 6px 0; }
.copy { font-size: 13px; }
.empty-hit { color: var(--muted); padding: 12px 0; }
@media (max-width: 1440px) {
  :root { --max: 1120px; }
}
@media (max-width: 1024px) {
  .nav-toggle { display: inline-flex; }
  .nav-panel {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    padding: 12px 16px 16px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
  }
  .nav-panel.is-open { display: flex; }
  .nav-links { flex-direction: column; align-items: stretch; }
  .nav-search input { width: 100%; }
  .logo-text { font-size: 14px; }
  .block { padding: 64px 0; }
  .mile-list { flex-wrap: wrap; }
  .mile-list li { flex: 1 1 45%; }
  .news-item { grid-template-columns: 1fr; gap: 6px; }
  .dir-bar { flex-wrap: wrap; }
  .chips { margin-left: 0; }
}
@media (max-width: 768px) {
  .qa-row { grid-template-columns: 1fr; gap: 6px; }
  .shift, .shift-late { margin-top: 0; }
  .mile-list { flex-direction: column; }
  .mile-list li::after { display: none; }
  h1 { font-size: 32px; }
}
@media (max-width: 640px) {
  .grid-container { width: min(var(--max), calc(100% - 24px)); }
  .dash { padding-top: calc(var(--nav-h) + 22px); }
  .btn-row .px-btn { width: 100%; }
  .metric .num { font-size: 28px; }
  .scene-rail { grid-auto-columns: 82%; }
}
@media (max-width: 520px) {
  .logo-text { max-width: 46vw; overflow: hidden; text-overflow: ellipsis; }
  .block { padding: 48px 0; }
  table.cmp th, table.cmp td { padding: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* roulang page: category1 */
:root {
 --blue: #2b6de5;
 --blue-dark: #1b4eaf;
 --blue-ink: #17356f;
 --blue-soft: #e7f0ff;
 --ink: #243044;
 --muted: #5c6b82;
 --bg: #f4f7fb;
 --bg-2: #eaf1f9;
 --white: #ffffff;
 --line: #d5e1f0;
 --amber: #e39a2d;
 --magenta: #d4537e;
 --mint: #2fbfa3;
 --shadow: 0 16px 40px rgba(36, 64, 90, 0.08);
 --shadow-tight: 0 8px 20px rgba(36, 64, 90, 0.06);
 --radius: 12px;
 --font: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
 --pixel: "Cascadia Mono", "Sarasa Mono SC", Consolas, "Courier New", ui-monospace, monospace;
 --nav-h: 76px;
 --max: 1180px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: var(--font);
 font-size: 16px;
 line-height: 1.75;
 color: var(--ink);
 background:
  linear-gradient(180deg, rgba(43, 109, 229, 0.04), transparent 220px),
  var(--bg);
 text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; border: 0; }
button, input, textarea { font-family: inherit; font-size: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 0.8rem; }
h1, h2, h3 { margin: 0 0 0.6rem; line-height: 1.35; color: var(--ink); font-weight: 750; letter-spacing: 0; }
.grid-container { width: min(var(--max), calc(100% - 32px)); margin-left: auto; margin-right: auto; }
.sr-only {
 position: absolute;
 width: 1px;
 height: 1px;
 padding: 0;
 margin: -1px;
 overflow: hidden;
 clip: rect(0, 0, 0, 0);
 white-space: nowrap;
 border: 0;
}
.site-header {
 position: fixed;
 inset: 0 0 auto 0;
 z-index: 80;
 height: var(--nav-h);
 background: rgba(255, 255, 255, 0.58);
 backdrop-filter: blur(16px) saturate(1.2);
 -webkit-backdrop-filter: blur(16px) saturate(1.2);
 border-bottom: 1px solid rgba(255, 255, 255, 0.86);
 box-shadow: 0 8px 28px rgba(47, 111, 237, 0.06);
 transition: background 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.site-header.is-solid {
 background: #fff;
 backdrop-filter: none;
 -webkit-backdrop-filter: none;
 border-bottom-color: var(--line);
 box-shadow: 0 10px 24px rgba(36, 64, 90, 0.08);
}
.nav-bar {
 height: var(--nav-h);
 display: flex;
 align-items: center;
 gap: 18px;
}
.logo {
 display: inline-flex;
 align-items: center;
 gap: 10px;
 min-width: 0;
 color: var(--ink);
 font-weight: 750;
}
.logo-mark {
 width: 18px;
 height: 18px;
 flex: 0 0 18px;
 background:
  linear-gradient(var(--blue), var(--blue)) 0 0/8px 2px no-repeat,
  linear-gradient(var(--blue), var(--blue)) 0 0/2px 8px no-repeat,
  linear-gradient(var(--amber), var(--amber)) 10px 10px/8px 2px no-repeat,
  linear-gradient(var(--amber), var(--amber)) 16px 10px/2px 8px no-repeat,
  linear-gradient(var(--mint), var(--mint)) 8px 4px/2px 2px no-repeat;
}
.logo-text { font-size: clamp(13px, 3.5vw, 16px); white-space: nowrap; }
.nav-panel {
 margin-left: auto;
 display: flex;
 align-items: center;
 gap: 16px;
 min-width: 0;
}
.nav-links { display: flex; align-items: center; gap: 6px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
 display: inline-flex;
 align-items: center;
 min-height: 38px;
 padding: 0 12px;
 border-radius: 8px;
 color: var(--ink);
 font-size: 15px;
}
.nav-links a:hover { background: rgba(43, 109, 229, 0.08); color: var(--blue-dark); }
.nav-links a.is-active {
 background: var(--blue-soft);
 color: var(--blue-dark);
 box-shadow: inset 0 -2px 0 var(--blue);
}
.nav-search { display: flex; align-items: center; margin: 0; }
.nav-search input {
 width: 210px;
 height: 40px;
 padding: 0 12px;
 border: 1px solid #c9d7ea;
 border-radius: 8px;
 background: rgba(255, 255, 255, 0.86);
 color: var(--ink);
 outline: none;
}
.nav-search input::placeholder { color: #8aa0b8; }
.nav-search input:focus {
 border-color: var(--blue);
 box-shadow: 3px 3px 0 rgba(43, 109, 229, 0.25);
}
.nav-toggle {
 display: none;
 margin-left: auto;
 height: 40px;
 padding: 0 12px;
 border: 1px solid var(--line);
 background: #fff;
 border-radius: 8px;
 cursor: pointer;
 color: var(--ink);
}
.px-btn, button.px-btn, a.px-btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 6px;
 min-height: 44px;
 padding: 0 16px;
 border-radius: 8px;
 border: 2px solid var(--blue);
 background: var(--blue);
 color: #fff;
 font-weight: 700;
 cursor: pointer;
 box-shadow: 2px 2px 0 var(--blue-dark);
 transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
 text-decoration: none;
}
a.px-btn:hover, button.px-btn:hover, .px-btn:hover {
 transform: translate(-2px, -2px);
 box-shadow: 4px 4px 0 var(--blue-dark);
 color: #fff;
}
.px-btn:active { transform: translate(0, 0); box-shadow: none; }
.px-btn-ghost {
 background: transparent;
 color: var(--blue-dark);
 box-shadow: 2px 2px 0 rgba(43, 109, 229, 0.25);
}
a.px-btn-ghost:hover, button.px-btn-ghost:hover {
 background: #fff;
 color: var(--blue-dark);
}
.px-btn-sm { min-height: 40px; padding: 0 12px; font-size: 14px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
 outline: 2px solid var(--blue);
 outline-offset: 3px;
}
main { display: block; }
.band { padding: 72px 0; position: relative; }
.band-head {
 padding-top: calc(var(--nav-h) + 28px);
 padding-bottom: 36px;
 background:
  linear-gradient(rgba(43, 109, 229, 0.05) 1px, transparent 1px) 0 0/100% 8px,
  linear-gradient(#fff, #f7faff);
 border-bottom: 1px solid var(--line);
}
.band-alt { background: var(--bg-2); }
.band-white { background: var(--white); border-top: 1px solid rgba(213, 225, 240, 0.7); border-bottom: 1px solid rgba(213, 225, 240, 0.7); }
.band-soft { background: linear-gradient(180deg, #eef4ff, #f7faff); }
.kicker {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 margin-bottom: 8px;
 font-family: var(--pixel);
 font-size: 12px;
 color: var(--blue-dark);
 letter-spacing: 0.04em;
}
.kicker i {
 width: 8px;
 height: 8px;
 background: var(--amber);
 box-shadow: 8px 0 0 var(--mint);
 display: inline-block;
}
.crumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 0 0 18px; font-size: 13px; color: var(--muted); }
.crumb a { color: var(--blue-dark); border-bottom: 1px solid transparent; }
.crumb a:hover { border-bottom-color: var(--blue); }
.crumb span[aria-hidden="true"] { color: #9aadc4; }
h1 { font-size: clamp(28px, 4vw, 40px); max-width: 16em; }
.lead { color: var(--muted); font-size: 16px; max-width: 40em; margin-bottom: 0; }
.count-panel {
 position: relative;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 18px 18px 16px 22px;
}
.count-panel::before, .px-card::before, .note-strip::before, .demand-box::before {
 content: "";
 position: absolute;
 top: 8px;
 left: 8px;
 width: 9px;
 height: 9px;
 background:
  linear-gradient(var(--blue), var(--blue)) 0 0/9px 2px no-repeat,
  linear-gradient(var(--blue), var(--blue)) 0 0/2px 9px no-repeat;
 opacity: 0.55;
}
.count-num {
 font-family: var(--pixel);
 font-size: 42px;
 line-height: 1;
 color: var(--blue);
 margin: 6px 0;
}
.count-panel p { margin: 0; color: var(--muted); font-size: 14px; }
.count-panel strong { color: var(--ink); font-weight: 700; }
.section-head { margin-bottom: 22px; max-width: 760px; }
.section-head h2 { font-size: clamp(22px, 3vw, 30px); }
.section-head p { color: var(--muted); margin: 0; }
.filter-board {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-tight);
 padding: 16px;
}
.filter-row { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; }
.filter-row + .filter-row { margin-top: 12px; padding-top: 12px; border-top: 1px dashed #d5e1f0; }
.filter-label {
 font-family: var(--pixel);
 font-size: 12px;
 color: var(--blue-ink);
 min-width: 72px;
}
.chip {
 display: inline-flex;
 align-items: center;
 gap: 6px;
 min-height: 34px;
 padding: 0 12px;
 border-radius: 999px;
 border: 1px solid #d7e3f3;
 background: #f5f8fc;
 color: var(--blue-ink);
 cursor: pointer;
 transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}
.chip::before {
 content: "";
 width: 6px;
 height: 6px;
 background: var(--mint);
}
.chip[data-value="amber"]::before { background: var(--amber); }
.chip[data-value="white"]::before { background: #8ea0b8; }
.chip[data-value="mint"]::before { background: var(--mint); }
.chip[data-value="source"]::before { background: var(--magenta); }
.chip:hover { transform: translate(-1px, -1px); background: #fff; }
.chip.is-on {
 background: var(--blue-soft);
 border-color: var(--blue);
 color: var(--blue-dark);
 box-shadow: 2px 2px 0 rgba(43, 109, 229, 0.18);
}
.px-card {
 position: relative;
 height: 100%;
 background: var(--white);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 22px 22px 18px;
 transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.px-card:hover { transform: translate(-2px, -2px); box-shadow: 8px 12px 0 rgba(43, 109, 229, 0.08), var(--shadow); }
.px-card p, .rel-card p { color: var(--muted); font-size: 14px; line-height: 1.7; margin: 0; }
.entry-title {
 display: inline-block;
 font-size: 20px;
 font-weight: 750;
 color: var(--ink);
 margin: 8px 0;
}
.entry-title:hover { color: var(--blue-dark); }
.entry-wide { min-height: 100%; display: flex; flex-direction: column; background: linear-gradient(180deg, #fff, #f7faff); }
.entry-wide .entry-title { font-size: 26px; }
.meta-row, .bar-meta {
 display: flex;
 justify-content: space-between;
 gap: 8px;
 margin-top: 14px;
 font-family: var(--pixel);
 font-size: 12px;
 color: var(--blue-dark);
}
.tag {
 display: inline-flex;
 align-items: center;
 gap: 6px;
 min-height: 26px;
 padding: 0 8px;
 margin: 0 6px 6px 0;
 border-radius: 999px;
 background: #eef3fb;
 color: var(--blue-ink);
 font-size: 12px;
 border: 1px solid #d7e3f3;
}
.tag::before {
 content: "";
 width: 6px;
 height: 6px;
 background: var(--mint);
 box-shadow: 0 0 0 1px rgba(47, 191, 163, 0.25);
}
.tag.tone-amber::before { background: var(--amber); }
.tag.tone-magenta::before { background: var(--magenta); }
.tag.tone-blue::before { background: var(--blue); }
.stack-gap { display: grid; gap: 16px; }
.more-row { display: flex; justify-content: flex-end; margin-top: 18px; }
.more-link {
 font-weight: 750;
 color: var(--blue-dark);
 border-bottom: 2px solid var(--blue);
 padding-bottom: 2px;
}
.more-link:hover { transform: translate(-2px, -2px); display: inline-block; }
.empty-note {
 display: none;
 margin-top: 16px;
 padding: 14px 16px;
 border: 1px dashed var(--line);
 border-radius: 8px;
 color: var(--muted);
 background: #fff;
}
.empty-note.is-show { display: block; }
.read-copy h2 { font-size: clamp(22px, 3vw, 30px); }
.spec-list { list-style: none; margin: 0; padding: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-tight); }
.spec-list li {
 display: grid;
 grid-template-columns: 92px 1fr;
 gap: 10px;
 padding: 14px 16px;
 border-top: 1px solid #e6eef8;
}
.spec-list li:first-child { border-top: 0; }
.spec-list b { font-size: 14px; color: var(--blue-ink); }
.spec-list span { color: var(--muted); font-size: 14px; }
.anchor-block { scroll-margin-top: calc(var(--nav-h) + 12px); padding-top: 8px; }
.note-strip {
 position: relative;
 display: grid;
 grid-template-columns: 1.3fr 1fr 0.85fr;
 gap: 0;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 overflow: hidden;
}
.note-strip article { padding: 22px 22px 18px 26px; }
.note-strip article + article { border-left: 1px solid var(--line); background: linear-gradient(180deg, #fff, #f6f9ff); }
.note-strip h3 { font-size: 18px; margin-bottom: 6px; }
.note-strip p { margin: 0; color: var(--muted); font-size: 14px; }
.scale {
 display: flex;
 gap: 6px;
 margin-top: 12px;
}
.scale i {
 flex: 1;
 height: 8px;
 background: #d7e4f5;
 display: block;
}
.scale i:nth-child(1) { background: #b9cceb; }
.scale i:nth-child(2) { background: #7aa6ef; }
.scale i:nth-child(3) { background: var(--blue); }
.scale i:nth-child(4) { background: var(--blue-dark); }
.h-scroll {
 display: grid;
 grid-auto-flow: column;
 grid-auto-columns: minmax(240px, 1fr);
 gap: 16px;
 overflow-x: auto;
 padding-bottom: 8px;
 scroll-snap-type: x mandatory;
}
.rel-card {
 scroll-snap-align: start;
 display: flex;
 flex-direction: column;
 justify-content: space-between;
 min-height: 180px;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-tight);
 padding: 18px;
 transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.rel-card:hover { transform: translate(-2px, -2px); box-shadow: var(--shadow); }
.rel-card strong { display: block; font-size: 17px; margin: 8px 0; color: var(--ink); }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); background: transparent; }
.faq-item summary {
 list-style: none;
 cursor: pointer;
 padding: 16px 8px;
 font-weight: 750;
 display: flex;
 justify-content: space-between;
 gap: 12px;
 align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
 content: "+";
 font-family: var(--pixel);
 color: var(--blue);
 width: 28px;
 text-align: center;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item p { padding: 0 8px 16px; color: var(--muted); margin: 0; }
.demand-box {
 position: relative;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 22px;
}
.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 700; margin-bottom: 6px; font-size: 14px; }
.field input, .field textarea {
 width: 100%;
 border: 1px solid #c9d7ea;
 border-radius: 8px;
 background: #fbfcff;
 padding: 10px 12px;
 outline: none;
}
.field textarea { min-height: 96px; resize: vertical; }
.field input:focus, .field textarea:focus {
 border-color: var(--blue);
 box-shadow: 3px 3px 0 rgba(43, 109, 229, 0.25);
}
.check-line {
 display: flex;
 gap: 8px;
 align-items: flex-start;
 font-size: 14px;
 color: var(--ink);
}
.check-line input { margin-top: 4px; width: 16px; height: 16px; accent-color: var(--blue); }
.side-note {
 background: var(--blue-soft);
 border-radius: 10px;
 padding: 16px;
 height: 100%;
}
.side-note h3 { font-size: 18px; }
.side-note ul { margin: 0; padding-left: 18px; color: var(--muted); }
.form-msg {
 display: none;
 margin-top: 12px;
 padding: 10px 12px;
 border-radius: 8px;
 font-size: 14px;
}
.form-msg.is-show { display: flex; gap: 8px; align-items: flex-start; }
.form-msg.is-error { background: #fff4f6; border: 1px solid #f3c3d0; color: #8d2948; }
.form-msg.is-ok { background: #f1fbf7; border: 1px solid #b7eadc; color: #146b58; }
.mark {
 font-family: var(--pixel);
 width: 18px;
 flex: 0 0 18px;
}
.site-footer {
 background: #fff;
 border-top: 1px solid var(--line);
 padding: 42px 0 28px;
 color: var(--muted);
}
.site-footer h2 { font-size: 16px; color: var(--ink); margin-bottom: 10px; }
.foot-brand { display: block; font-size: 18px; font-weight: 750; color: var(--ink); margin-bottom: 8px; }
.foot-links { list-style: none; margin: 0; padding: 0; }
.foot-links a { display: inline-flex; min-height: 32px; align-items: center; color: var(--blue-dark); }
.foot-links a:hover { color: var(--blue); }
.copy { font-size: 13px; }
.hidden-entry { display: none !important; }
@media (max-width: 1024px) {
 .nav-toggle { display: inline-flex; align-items: center; }
 .nav-panel {
  display: none;
  position: absolute;
  left: 16px;
  right: 16px;
  top: calc(var(--nav-h) - 6px);
  flex-direction: column;
  align-items: stretch;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  box-shadow: var(--shadow);
 }
 .nav-panel.is-open { display: flex; }
 .nav-links { flex-direction: column; align-items: stretch; }
 .nav-search input, .nav-panel .px-btn { width: 100%; }
 .note-strip { grid-template-columns: 1fr; }
 .note-strip article + article { border-left: 0; border-top: 1px solid var(--line); }
 .band { padding: 56px 0; }
}
@media (max-width: 768px) {
 h1 { font-size: 28px; }
 .entry-wide .entry-title { font-size: 22px; }
 .spec-list li { grid-template-columns: 1fr; gap: 4px; }
 .h-scroll { grid-auto-columns: 78%; }
}
@media (max-width: 640px) {
 .band-head { padding-top: calc(var(--nav-h) + 18px); }
 .logo-text { max-width: 46vw; overflow: hidden; text-overflow: ellipsis; }
 .filter-label { width: 100%; }
 .more-row { justify-content: flex-start; }
}
@media (max-width: 520px) {
 .grid-container { width: min(var(--max), calc(100% - 20px)); }
 .px-card, .demand-box, .count-panel { padding: 16px; }
 .count-num { font-size: 34px; }
 .h-scroll { grid-auto-columns: 86%; }
}
@media (min-width: 1440px) {
 :root { --max: 1180px; }
 .band { padding: 84px 0; }
}