/* roulang page: index */
:root {
  --bg: #14111f;
  --bg-deep: #0c0a14;
  --glass: rgba(52, 44, 98, 0.46);
  --glass-2: rgba(28, 24, 52, 0.72);
  --primary: #6a5bff;
  --primary-2: #8d7bff;
  --accent: #e23d8c;
  --text: #f4f2fb;
  --muted: #b7c0dc;
  --link: #9af0f6;
  --line: rgba(186, 176, 240, 0.38);
  --line-strong: rgba(214, 206, 255, 0.72);
  --radius: 18px;
  --pill: 999px;
  --shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
  --glow: 0 0 22px rgba(106, 91, 255, 0.45), 0 0 28px rgba(226, 61, 140, 0.22);
  --space: 22px;
  --max: 1120px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--link); text-decoration: none; }
a:hover { color: #d8fffd; }
p { margin: 0; }
h1, h2, h3 { margin: 0; text-align: left; font-weight: 700; line-height: 1.35; color: var(--text); }
h1 { font-size: 34px; letter-spacing: 0; }
h2 { font-size: 26px; }
h3 { font-size: 18px; }
:focus { outline: none; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid #7ee7f0;
  outline-offset: 2px;
}
.container { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.band { padding: 84px 0; position: relative; }
.band-plain { background: var(--bg); }
.band-deep { background: var(--bg-deep); }
.band-sheen { background: #161226; overflow: hidden; }
.band-sheen::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(118deg, transparent 38%, rgba(106, 91, 255, 0.18) 49%, rgba(226, 61, 140, 0.1) 54%, transparent 64%);
  pointer-events: none;
}
.band-sheen .container { position: relative; z-index: 1; }
.lead { margin-top: 12px; max-width: 46em; color: var(--muted); font-size: 16px; line-height: 1.75; }
.sec-head { margin-bottom: 22px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease, background .18s ease, border-color .18s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn-glow {
  color: #fff;
  background: linear-gradient(180deg, #8576ff 0%, #5346ea 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.28), var(--glow);
}
.btn-glow:hover { filter: brightness(1.1); box-shadow: inset 0 1px 0 rgba(255,255,255,.34), 0 0 30px rgba(106,91,255,.62), 0 0 40px rgba(226,61,140,.36); color: #fff; }
.btn-glow:active, .btn-line:active { transform: translateY(1px); }
.btn-line {
  color: var(--text);
  background: rgba(20, 16, 40, .35);
  border-color: var(--line);
}
.btn-line:hover { border-color: var(--line-strong); color: #fff; background: rgba(90, 70, 170, .28); }
.badge {
  display: inline-flex;
  align-items: center;
  border-radius: var(--pill);
  padding: 2px 8px;
  font-size: 12px;
  line-height: 1.6;
  background: rgba(106, 91, 255, .2);
  color: #ddd7ff;
  border: 1px solid rgba(106, 91, 255, .38);
}
.badge-hot { background: rgba(226, 61, 140, .16); color: #ffd4e8; border-color: rgba(226, 61, 140, .42); }
.badge-topic { background: rgba(122, 210, 230, .12); color: #d5fbff; border-color: rgba(122, 210, 230, .35); }
.glass {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.14);
  backdrop-filter: blur(12px);
}
a.glass, .lift { transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
a.glass:hover, .lift:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow), 0 0 18px rgba(120, 100, 255, .28);
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(16, 13, 30, .82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(176, 166, 240, .35);
}
.bar { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo { display: flex; flex-direction: column; color: var(--text); max-width: 46%; }
.logo:hover { color: #fff; }
.logo-name { font-size: 16px; font-weight: 700; line-height: 1.3; }
.logo-sub { font-size: 12px; color: var(--muted); }
.desk-nav { display: flex; align-items: center; gap: 8px 20px; flex-wrap: wrap; justify-content: center; }
.desk-nav a {
  color: var(--muted);
  padding: 8px 0 6px;
  border-bottom: 2px solid transparent;
}
.desk-nav a:hover { color: var(--text); }
.desk-nav a[aria-current="page"] {
  color: var(--text);
  border-bottom-color: #8f7bff;
  box-shadow: 0 8px 16px rgba(106, 91, 255, .28);
}
.bar-tools { display: flex; align-items: center; gap: 10px; }
.lang { display: inline-flex; border: 1px solid var(--line); border-radius: var(--pill); overflow: hidden; }
.lang button {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 4px 9px;
  cursor: pointer;
  font-size: 12px;
  line-height: 1.4;
}
.lang button.is-on { background: var(--primary); color: #fff; }
.lang button:active { transform: translateY(1px); }
.menu-toggle {
  display: none;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--text);
  min-height: 40px;
  padding: 0 12px;
  cursor: pointer;
}
#navDrawer.off-canvas {
  background: #100e1a;
  color: var(--text);
  width: min(84vw, 320px);
  padding: 22px 18px;
  border-left: 1px solid var(--line);
}
.drawer-title { font-size: 14px; margin-bottom: 8px; }
.drawer-nav a {
  display: block;
  padding: 12px 0;
  color: var(--text);
  border-bottom: 1px solid rgba(186, 176, 240, .2);
}
.drawer-nav a[aria-current="page"] { color: #d7d0ff; box-shadow: inset 2px 0 0 #e23d8c; padding-left: 8px; }
.drawer-close {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  border-radius: 12px;
  min-height: 36px;
  padding: 0 12px;
  cursor: pointer;
  margin-bottom: 12px;
}
.board-top { display: flex; justify-content: space-between; align-items: flex-end; gap: 28px; }
.hero-actions { display: flex; gap: 12px; flex-shrink: 0; }
.film {
  margin-top: 18px;
  height: 10px;
  border-radius: var(--pill);
  background: repeating-linear-gradient(90deg, rgba(244,242,251,.35) 0 10px, transparent 10px 18px);
  opacity: .45;
}
.stat {
  padding: 18px 16px 16px;
  min-height: 132px;
}
.stat b {
  display: block;
  font-size: 36px;
  line-height: 1.1;
  color: #ebe7ff;
  text-shadow: 0 0 16px rgba(140, 120, 255, .45);
}
.stat span { display: block; margin-top: 8px; color: var(--muted); font-size: 14px; }
.stat em { display: block; margin-top: 6px; font-style: normal; color: #ddd8ff; font-size: 13px; }
.stat-note { margin-top: 8px; color: var(--muted); font-size: 14px; }
.chip-row, .rail { display: flex; gap: 12px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x mandatory; }
.chip {
  flex: 0 0 auto;
  scroll-snap-align: start;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: rgba(44, 36, 84, .55);
  color: var(--text);
  padding: 8px 14px;
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.chip:hover { border-color: var(--line-strong); transform: translateY(-2px); box-shadow: 0 0 14px rgba(106,91,255,.3); color: #fff; }
.chip:active { transform: translateY(1px); }
.matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.matrix .lg { grid-column: span 2; grid-row: span 2; min-height: 230px; }
.card-pad { display: flex; flex-direction: column; gap: 10px; padding: 18px; height: 100%; color: var(--text); }
.card-pad p { color: var(--muted); font-size: 15px; }
.card-pad:hover { color: var(--text); }
.go { color: var(--link); font-size: 14px; margin-top: auto; }
.rail-card { flex: 0 0 280px; scroll-snap-align: start; padding: 14px; display: flex; flex-direction: column; gap: 10px; color: var(--text); }
.wordcard {
  min-height: 96px;
  border-radius: 12px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background:
    linear-gradient(160deg, rgba(106,91,255,.42), rgba(226,61,140,.2)),
    repeating-linear-gradient(90deg, rgba(255,255,255,.16) 0 8px, transparent 8px 18px);
  border: 1px solid rgba(255,255,255,.16);
}
.wordcard span { font-size: 12px; color: #f7f4ff; }
.wordcard strong { font-size: 20px; line-height: 1.3; }
.points { margin: 0; padding-left: 18px; color: var(--muted); }
.points li { margin: 4px 0; }
.compare { display: grid; grid-template-columns: 1fr 220px 1fr; gap: 16px; align-items: stretch; }
.side, .diff { padding: 18px; }
.side h3 { margin-bottom: 8px; }
dt { color: #ddd8ff; font-size: 14px; }
dd { margin: 0 0 10px; color: var(--muted); }
.diff {
  background: rgba(226, 61, 140, .08);
  border: 1px solid rgba(226, 61, 140, .38);
  border-radius: var(--radius);
  box-shadow: inset 0 0 24px rgba(226, 61, 140, .08);
}
.diff p { color: #ffd3e8; font-weight: 700; margin-bottom: 8px; }
.diff ul { margin: 0; padding-left: 18px; color: var(--muted); }
.wall { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.wall .span2 { grid-column: span 2; }
.wall a { min-height: 150px; }
.time { margin: 8px 0 0 8px; border-left: 1px solid rgba(186,176,240,.4); }
.time-item { position: relative; padding: 0 0 26px 22px; }
.time-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #8d7bff;
  box-shadow: 0 0 10px rgba(226,61,140,.8);
}
.time-item h3 { font-size: 18px; }
.time-item p { color: var(--muted); margin-top: 4px; }
.entry {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px;
  min-height: 180px;
  color: var(--text);
}
.entry strong { font-size: 22px; }
.news-item {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(186,176,240,.22);
  color: var(--text);
}
.news-item:hover h3 { color: var(--link); }
.news-item p { color: var(--muted); font-size: 15px; }
.meta { color: #d5d0f2; font-size: 13px; white-space: nowrap; text-align: right; }
.more-wrap { margin-top: 16px; }
.heat-side { padding: 18px; }
.legend { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.rank { display: flex; gap: 12px; align-items: flex-start; padding: 12px 0; border-bottom: 1px solid rgba(186,176,240,.2); color: var(--text); }
.rank i {
  font-style: normal;
  min-width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(106,91,255,.25);
  color: #fff;
}
.assure-item { display: flex; gap: 12px; padding: 16px; height: 100%; }
.assure-item svg { width: 28px; height: 28px; flex: 0 0 auto; color: #c9b6ff; }
.assure-item p { color: var(--muted); font-size: 15px; }
.step { padding: 18px; min-height: 180px; }
.step em { font-style: normal; color: #ffd3e8; font-size: 13px; }
.step p { color: var(--muted); margin-top: 8px; }
.qa-list, .faq-list { display: grid; gap: 12px; }
.qa, .faq-item {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0 14px;
}
.qa summary, .faq-item summary {
  cursor: pointer;
  min-height: 48px;
  display: flex;
  align-items: center;
  list-style: none;
  color: var(--text);
}
.qa summary::-webkit-details-marker, .faq-item summary::-webkit-details-marker { display: none; }
.qa p, .faq-item p { color: var(--muted); padding-bottom: 12px; }
.faq-item[open] { border-left: 2px solid var(--accent); }
.read-card { display: flex; flex-direction: column; gap: 8px; padding: 14px; color: var(--text); min-height: 240px; }
.form-card { padding: 18px; }
label { display: block; margin: 12px 0 6px; color: #e6e2ff; font-size: 14px; }
input, select, textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(10, 8, 20, .72);
  min-height: 44px;
  padding: 10px 12px;
}
textarea { min-height: 120px; resize: vertical; }
::placeholder { color: #c3cbe4; opacity: 1; }
.check { display: flex; gap: 8px; align-items: flex-start; margin: 12px 0; color: var(--muted); }
.check input { width: auto; margin-top: 6px; }
.form-msg { margin-top: 12px; color: #d8fff8; }
.site-footer { background: #09070f; border-top: 1px solid rgba(186,176,240,.2); padding: 36px 0 28px; }
.foot-brand { margin-bottom: 22px; }
.foot-brand strong { display: block; font-size: 16px; }
.foot-brand span { color: var(--muted); font-size: 14px; }
.foot-label { color: #ddd8ff; margin-bottom: 8px; }
.site-footer a { display: block; color: var(--muted); padding: 4px 0; }
.site-footer a:hover { color: var(--link); }
.copy { margin-top: 22px; color: var(--muted); font-size: 13px; }
.fine { display: block; color: #8e97b4; font-size: 12px; }
@media (max-width: 1023px) {
  .desk-nav { display: none; }
  .menu-toggle { display: inline-flex; }
  .logo { max-width: 68%; }
  .board-top, .compare { grid-template-columns: 1fr; display: grid; }
  .hero-actions { width: 100%; }
  h1 { font-size: 34px; }
  h2 { font-size: 24px; }
}
@media (min-width: 1024px) {
  h1 { font-size: 42px; }
  h2 { font-size: 28px; }
  .band { padding: 92px 0; }
}
@media (max-width: 639px) {
  .band { padding: 48px 0; }
  h1 { font-size: 32px; }
  .matrix, .wall { grid-template-columns: 1fr; }
  .matrix .lg, .wall .span2 { grid-column: auto; grid-row: auto; }
  .hero-actions, .hero-actions .btn, .form-card .btn { width: 100%; }
  .news-item { flex-direction: column; }
  .meta { text-align: left; white-space: normal; }
  .logo-name { font-size: 14px; }
}

/* roulang page: category1 */
:root {
 --bg: #14111f;
 --bg-deep: #0c0a14;
 --glass: rgba(52, 44, 98, 0.46);
 --glass-2: rgba(28, 24, 52, 0.72);
 --primary: #6a5bff;
 --primary-2: #8d7bff;
 --accent: #e23d8c;
 --text: #f4f2fb;
 --muted: #b7c0dc;
 --link: #9af0f6;
 --line: rgba(186, 176, 240, 0.38);
 --line-strong: rgba(214, 206, 255, 0.72);
 --radius: 18px;
 --pill: 999px;
 --shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
 --glow: 0 0 22px rgba(106, 91, 255, 0.45), 0 0 28px rgba(226, 61, 140, 0.22);
 --space: 22px;
 --max: 1120px;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--text);
 font-family: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;
 font-size: 16px;
 line-height: 1.75;
 overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--link); text-decoration: none; }
a:hover { color: #d8fffd; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
 outline: 2px solid #7ee7f0;
 outline-offset: 2px;
}
h1, h2, h3, h4, p, ul, ol { margin: 0; padding: 0; }
h1, h2, h3 { color: var(--text); font-weight: 700; text-align: left; letter-spacing: 0; }
h1 { font-size: 40px; line-height: 1.28; }
h2 { font-size: 28px; line-height: 1.35; }
h3 { font-size: 18px; line-height: 1.45; }
p { color: var(--muted); font-size: 16px; line-height: 1.75; }
.container { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; position: relative; z-index: 1; }
.lead { margin-top: 12px; max-width: 42em; color: var(--muted); font-size: 16px; line-height: 1.75; }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 44px;
 padding: 0 18px;
 border-radius: var(--pill);
 border: 1px solid transparent;
 cursor: pointer;
 transition: transform .18s ease, box-shadow .18s ease, filter .18s ease, background .18s ease, border-color .18s ease;
 text-decoration: none;
 white-space: nowrap;
}
.btn-glow {
 color: #fff;
 background: linear-gradient(180deg, #8576ff 0%, #5346ea 100%);
 box-shadow: inset 0 1px 0 rgba(255,255,255,.28), var(--glow);
}
.btn-glow:hover { filter: brightness(1.1); box-shadow: inset 0 1px 0 rgba(255,255,255,.34), 0 0 30px rgba(106,91,255,.62), 0 0 40px rgba(226,61,140,.36); color: #fff; }
.btn-glow:active, .btn-line:active, .chip:active, .lang button:active { transform: translateY(1px); }
.btn-line {
 color: var(--text);
 background: rgba(20, 16, 40, .35);
 border-color: var(--line);
}
.btn-line:hover { border-color: var(--line-strong); color: #fff; background: rgba(90, 70, 170, .28); }
.badge {
 display: inline-flex;
 align-items: center;
 border-radius: var(--pill);
 padding: 2px 8px;
 font-size: 12px;
 line-height: 1.6;
 background: rgba(106, 91, 255, .2);
 color: #ddd7ff;
 border: 1px solid rgba(106, 91, 255, .38);
}
.badge-hot { background: rgba(226, 61, 140, .16); color: #ffd4e8; border-color: rgba(226, 61, 140, .42); }
.badge-topic { background: rgba(122, 210, 230, .12); color: #d5fbff; border-color: rgba(122, 210, 230, .35); }
.glass {
 background: var(--glass);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.16);
 backdrop-filter: blur(12px);
}
.lift { transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.lift:hover {
 transform: translateY(-4px);
 border-color: var(--line-strong);
 box-shadow: var(--shadow), 0 0 18px rgba(120, 100, 255, .28);
}
.site-header {
 position: sticky;
 top: 0;
 z-index: 50;
 background: rgba(16, 13, 30, .82);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid rgba(176, 166, 240, .35);
}
.topbar {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
 min-height: 74px;
 padding: 10px 0;
}
.logo { display: flex; flex-direction: column; color: var(--text); max-width: 300px; }
.logo:hover { color: #fff; }
.logo-name { font-size: 16px; font-weight: 700; line-height: 1.35; }
.logo-sub { font-size: 12px; color: var(--muted); }
.desk-nav { display: flex; align-items: center; gap: 8px 20px; flex-wrap: wrap; justify-content: center; }
.desk-nav a {
 color: var(--muted);
 padding: 8px 0 6px;
 border-bottom: 2px solid transparent;
}
.desk-nav a:hover { color: var(--text); }
.desk-nav a[aria-current="page"] {
 color: var(--text);
 border-bottom-color: #8f7bff;
 box-shadow: 0 8px 16px rgba(106, 91, 255, .28);
}
.top-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.lang {
 display: inline-flex;
 border: 1px solid var(--line);
 border-radius: var(--pill);
 overflow: hidden;
 background: rgba(20, 16, 40, .45);
}
.lang button {
 border: 0;
 background: transparent;
 color: var(--muted);
 padding: 4px 10px;
 cursor: pointer;
 font-size: 12px;
 line-height: 1.4;
 min-height: 28px;
}
.lang button.is-on { background: var(--primary); color: #fff; }
.menu-toggle {
 display: none;
 border-radius: 12px;
 border: 1px solid var(--line);
 background: rgba(255,255,255,.04);
 color: var(--text);
 min-height: 40px;
 padding: 0 12px;
 cursor: pointer;
}
.menu-toggle:hover { border-color: var(--line-strong); }
#navDrawer.off-canvas {
 background: #100e1a;
 color: var(--text);
 width: min(84vw, 320px);
 padding: 22px 18px;
 border-left: 1px solid var(--line);
}
.drawer-title { font-size: 14px; margin-bottom: 8px; color: var(--text); }
.drawer-nav a {
 display: block;
 padding: 12px 0;
 color: var(--text);
 border-bottom: 1px solid rgba(186, 176, 240, .2);
}
.drawer-nav a:hover { color: var(--link); }
.drawer-nav a[aria-current="page"] { color: #d7d0ff; box-shadow: inset 2px 0 0 #e23d8c; padding-left: 8px; }
.drawer-close {
 border: 1px solid var(--line);
 background: transparent;
 color: var(--text);
 border-radius: 12px;
 min-height: 36px;
 padding: 0 12px;
 cursor: pointer;
 margin-bottom: 12px;
}
.drawer-close:hover { border-color: var(--line-strong); }
main > section { position: relative; padding: 88px 0; }
main > .page-head { padding: 46px 0 36px; }
main > .convert { padding: 42px 0; }
.band-plain { background: var(--bg); }
.band-deep { background: var(--bg-deep); }
.band-sheen { background: var(--bg); overflow: hidden; }
.band-sheen::before {
 content: "";
 position: absolute;
 inset: 0;
 background: linear-gradient(115deg, transparent 42%, rgba(106,91,255,.18) 49%, rgba(226,61,140,.12) 53%, transparent 62%);
 pointer-events: none;
}
.head-grid { display: flex; justify-content: space-between; align-items: flex-end; gap: 28px; }
.kicker { margin-bottom: 10px; }
.filter-sum { width: min(280px, 100%); padding: 16px 18px; display: flex; flex-direction: column; gap: 8px; }
.filter-sum strong { font-size: 16px; }
.filter-sum p { font-size: 14px; }
.tool-row { display: flex; flex-direction: column; gap: 14px; margin-top: 18px; }
.chip-row { display: flex; gap: 12px; overflow-x: auto; padding-bottom: 6px; scroll-snap-type: x mandatory; }
.chip {
 flex: 0 0 auto;
 scroll-snap-align: start;
 border-radius: var(--pill);
 border: 1px solid var(--line);
 background: rgba(44, 36, 84, .55);
 color: var(--text);
 padding: 8px 14px;
 cursor: pointer;
 transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.chip:hover { border-color: var(--line-strong); transform: translateY(-2px); box-shadow: 0 0 14px rgba(106,91,255,.3); color: #fff; }
.chip.is-on {
 border-color: #d9d2ff;
 box-shadow: 0 0 0 1px rgba(154,240,246,.5), 0 0 18px rgba(106,91,255,.55);
 background: rgba(90, 74, 190, .42);
 color: #fff;
}
.show-count { color: var(--muted); font-size: 14px; }
.entry-grid { margin-top: 22px; }
.entry { display: flex; }
.entry.is-out { display: none !important; }
.entry-link {
 display: flex;
 flex-direction: column;
 gap: 12px;
 padding: 14px;
 height: 100%;
 width: 100%;
 color: var(--text);
}
.entry-link:hover { color: var(--text); }
.wordcard {
 min-height: 112px;
 border-radius: 12px;
 padding: 12px;
 display: flex;
 flex-direction: column;
 justify-content: flex-end;
 background:
 linear-gradient(160deg, rgba(106,91,255,.42), rgba(226,61,140,.2)),
 repeating-linear-gradient(90deg, rgba(255,255,255,.16) 0 8px, transparent 8px 18px);
 border: 1px solid rgba(255,255,255,.16);
}
.wordcard span { font-size: 12px; color: #f7f4ff; }
.wordcard strong { font-size: 20px; line-height: 1.35; color: #fff; }
.wordcard.alt {
 background:
 linear-gradient(200deg, rgba(226,61,140,.32), rgba(80,70,180,.4)),
 repeating-linear-gradient(90deg, rgba(255,255,255,.12) 0 6px, transparent 6px 16px);
}
.entry-body { display: flex; flex-direction: column; gap: 8px; }
.meta-row { display: flex; gap: 8px; flex-wrap: wrap; }
.entry-body p { font-size: 15px; }
.more { color: var(--link); font-size: 14px; }
.empty-note { margin-top: 16px; }
.cluster-box { margin-top: 18px; padding: 22px 22px 22px 20px; border-left: 2px solid var(--accent); max-width: 48em; }
.cluster-box p + p { margin-top: 12px; }
.rhythm {
 display: flex;
 gap: 14px;
 list-style: none;
 margin-top: 20px;
}
.rhythm li {
 flex: 1;
 padding: 16px;
 min-width: 0;
}
.step-no {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 width: 36px;
 height: 36px;
 border-radius: var(--pill);
 background: rgba(106,91,255,.22);
 border: 1px solid rgba(154,240,246,.35);
 color: #e7e3ff;
 font-size: 13px;
 margin-bottom: 10px;
}
.rhythm p { margin-top: 8px; font-size: 15px; }
.read-list { display: flex; flex-direction: column; gap: 12px; margin-top: 18px; }
.read-row {
 display: flex;
 justify-content: space-between;
 gap: 16px;
 align-items: center;
 padding: 16px 18px;
 color: var(--text);
}
.read-row:hover { color: var(--text); }
.read-row p { margin-top: 4px; font-size: 15px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; margin-top: 18px; max-width: 52em; }
.faq-item { padding: 0 16px; overflow: hidden; }
.faq-item[open] { box-shadow: inset 2px 0 0 var(--accent), var(--shadow); }
.faq-item summary {
 cursor: pointer;
 list-style: none;
 min-height: 52px;
 display: flex;
 align-items: center;
 color: var(--text);
 font-weight: 700;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; margin-left: auto; color: var(--link); font-weight: 500; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { padding: 0 0 14px; }
.convert-inner {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 18px;
 padding: 18px 20px;
}
.convert-inner p { margin-top: 6px; }
.site-footer {
 background: #09070f;
 border-top: 1px solid rgba(186,176,240,.22);
 padding: 48px 0 28px;
}
.foot-brand { display: flex; flex-direction: column; gap: 4px; margin-bottom: 22px; }
.foot-brand strong { font-size: 16px; }
.foot-brand span { color: var(--muted); font-size: 13px; }
.foot-label { color: #d9d4f5; font-size: 13px; margin: 0 0 8px; }
.site-footer a { display: block; color: var(--muted); padding: 4px 0; }
.site-footer a:hover { color: var(--text); }
.copy { margin-top: 26px; color: var(--muted); font-size: 13px; }
.fine { display: block; color: #8d93ad; font-size: 12px; margin-top: 4px; }
@media (max-width: 1023px) {
 .desk-nav { display: none; }
 .menu-toggle { display: inline-flex; align-items: center; }
 .logo { max-width: 62%; }
 h1 { font-size: 34px; }
 h2 { font-size: 24px; }
 main > section { padding: 64px 0; }
}
@media (max-width: 639px) {
 h1 { font-size: 30px; }
 h2 { font-size: 22px; }
 body { font-size: 16px; }
 main > section { padding: 48px 0; }
 main > .page-head { padding: 28px 0 22px; }
 .head-grid, .convert-inner { flex-direction: column; align-items: stretch; }
 .filter-sum { width: 100%; }
 .rhythm { flex-direction: column; }
 .read-row { flex-direction: column; align-items: flex-start; }
 .convert .btn, .menu-toggle { width: auto; }
 .convert .btn { width: 100%; }
 .logo-name { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 *, *::before, *::after { transition: none !important; }
}

/* roulang page: category2 */
:root {
 --bg: #14111f;
 --bg-deep: #0c0a14;
 --glass: rgba(52, 44, 98, 0.46);
 --glass-2: rgba(28, 24, 52, 0.72);
 --primary: #6a5bff;
 --primary-2: #8d7bff;
 --accent: #e23d8c;
 --text: #f4f2fb;
 --muted: #b7c0dc;
 --link: #9af0f6;
 --line: rgba(186, 176, 240, 0.38);
 --line-strong: rgba(214, 206, 255, 0.72);
 --radius: 18px;
 --pill: 999px;
 --shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
 --glow: 0 0 22px rgba(106, 91, 255, 0.45), 0 0 28px rgba(226, 61, 140, 0.22);
 --space: 22px;
 --max: 1120px;
}
/* roulang page: category2 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: dark; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--text);
 font-family: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;
 font-size: 16px;
 line-height: 1.75;
 overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--link); text-decoration: none; }
a:hover { color: #d8fffd; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
 outline: 2px solid #7ee7f0;
 outline-offset: 2px;
}
::selection { background: rgba(106, 91, 255, .45); color: #fff; }
::placeholder { color: #9aa6c8; opacity: 1; }
.container { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.lead { margin: 8px 0 0; max-width: 46em; color: var(--muted); font-size: 16px; line-height: 1.75; }
h1, h2, h3, p { text-align: left; }
h1 { font-size: 40px; line-height: 1.28; margin: 0; font-weight: 700; letter-spacing: 0; }
h2 { font-size: 28px; line-height: 1.35; margin: 0; font-weight: 700; }
h3 { font-size: 18px; line-height: 1.45; margin: 0; font-weight: 650; }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 44px;
 padding: 0 18px;
 border-radius: var(--pill);
 border: 1px solid transparent;
 cursor: pointer;
 transition: transform .18s ease, box-shadow .18s ease, filter .18s ease, background .18s ease, border-color .18s ease;
 text-decoration: none;
 white-space: nowrap;
}
.btn-glow {
 color: #fff;
 background: linear-gradient(180deg, #8576ff 0%, #5346ea 100%);
 box-shadow: inset 0 1px 0 rgba(255,255,255,.28), var(--glow);
}
.btn-glow:hover { filter: brightness(1.1); box-shadow: inset 0 1px 0 rgba(255,255,255,.34), 0 0 30px rgba(106,91,255,.62), 0 0 40px rgba(226,61,140,.36); color: #fff; }
.btn-glow:active, .btn-line:active { transform: translateY(1px); }
.btn-line {
 color: var(--text);
 background: rgba(20, 16, 40, .35);
 border-color: var(--line);
}
.btn-line:hover { border-color: var(--line-strong); color: #fff; background: rgba(90, 70, 170, .28); }
.badge {
 display: inline-flex;
 align-items: center;
 border-radius: var(--pill);
 padding: 2px 8px;
 font-size: 12px;
 line-height: 1.6;
 background: rgba(106, 91, 255, .2);
 color: #ddd7ff;
 border: 1px solid rgba(106, 91, 255, .38);
}
.badge-hot { background: rgba(226, 61, 140, .16); color: #ffd4e8; border-color: rgba(226, 61, 140, .42); }
.badge-topic { background: rgba(122, 210, 230, .12); color: #d5fbff; border-color: rgba(122, 210, 230, .35); }
.glass {
 background: var(--glass);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.16);
 backdrop-filter: blur(10px);
}
.lift { transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
a.glass:hover, .lift:hover {
 transform: translateY(-4px);
 border-color: var(--line-strong);
 box-shadow: var(--shadow), 0 0 18px rgba(120, 100, 255, .28);
}
.site-header {
 position: sticky;
 top: 0;
 z-index: 50;
 background: rgba(16, 13, 30, .82);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid rgba(176, 166, 240, .35);
}
.nav-bar {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
 min-height: 72px;
}
.logo { display: flex; flex-direction: column; color: var(--text); max-width: 46%; }
.logo:hover { color: #fff; }
.logo-name { font-size: 16px; font-weight: 700; line-height: 1.3; }
.logo-sub { font-size: 12px; color: var(--muted); }
.desk-nav { display: flex; align-items: center; gap: 8px 20px; flex-wrap: wrap; justify-content: center; }
.desk-nav a {
 color: var(--muted);
 padding: 8px 0 6px;
 border-bottom: 2px solid transparent;
}
.desk-nav a:hover { color: var(--text); }
.desk-nav a[aria-current="page"] {
 color: var(--text);
 border-bottom-color: #8f7bff;
 box-shadow: 0 8px 16px rgba(106, 91, 255, .28);
}
.nav-tools { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.lang {
 display: inline-flex;
 border: 1px solid var(--line);
 border-radius: var(--pill);
 overflow: hidden;
 background: rgba(20, 16, 40, .35);
}
.lang button {
 border: 0;
 background: transparent;
 color: var(--muted);
 padding: 4px 9px;
 cursor: pointer;
 font-size: 12px;
 line-height: 1.4;
}
.lang button.is-on { background: var(--primary); color: #fff; }
.lang button:hover { color: #fff; }
.lang button:active { transform: translateY(1px); }
.menu-toggle {
 display: none;
 border-radius: 12px;
 border: 1px solid var(--line);
 background: rgba(255,255,255,.04);
 color: var(--text);
 min-height: 40px;
 padding: 0 12px;
 cursor: pointer;
}
.menu-toggle:hover, .drawer-close:hover { border-color: var(--line-strong); color: #fff; }
.menu-toggle:active, .drawer-close:active { transform: translateY(1px); }
#navDrawer.off-canvas {
 background: #100e1a;
 color: var(--text);
 width: min(84vw, 320px);
 padding: 22px 18px;
 border-left: 1px solid var(--line);
}
.drawer-title { font-size: 14px; margin: 0 0 8px; color: var(--muted); }
.drawer-nav a {
 display: block;
 padding: 12px 0;
 color: var(--text);
 border-bottom: 1px solid rgba(186, 176, 240, .2);
}
.drawer-nav a:hover { color: var(--link); }
.drawer-nav a[aria-current="page"] { color: #d7d0ff; box-shadow: inset 2px 0 0 #e23d8c; padding-left: 8px; }
.drawer-close {
 border: 1px solid var(--line);
 background: transparent;
 color: var(--text);
 border-radius: 12px;
 min-height: 36px;
 padding: 0 12px;
 cursor: pointer;
 margin-bottom: 12px;
}
.off-canvas-content { background: var(--bg); min-height: 100vh; }
.zone-head {
 position: relative;
 padding: 34px 0 28px;
 background: var(--bg-deep);
 overflow: hidden;
 border-bottom: 1px solid var(--line);
 scroll-margin-top: 78px;
}
.zone-head::before {
 content: "";
 position: absolute;
 inset: 0 auto 0 0;
 width: 48%;
 background: linear-gradient(115deg, rgba(106,91,255,.28), rgba(226,61,140,.12) 55%, transparent 74%);
 pointer-events: none;
}
.zone-head-inner {
 position: relative;
 z-index: 1;
 display: flex;
 justify-content: space-between;
 align-items: flex-end;
 gap: 22px;
}
.zone-sub { margin: 10px 0 0; color: var(--muted); font-size: 16px; max-width: 40em; }
.zone-side { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; max-width: 280px; }
.zone-side p { flex: 1 0 100%; margin: 4px 0 0; color: var(--muted); font-size: 14px; text-align: right; }
.sec { padding: 88px 0; position: relative; scroll-margin-top: 78px; }
.sec-plain { background: var(--bg); }
.sec-deep { background: var(--bg-deep); }
.sec-band { background: var(--bg); overflow: hidden; }
.sec-band::before {
 content: "";
 position: absolute;
 left: -8%;
 top: 0;
 width: 52%;
 height: 100%;
 background: linear-gradient(118deg, rgba(106,91,255,.16), rgba(226,61,140,.08) 48%, transparent 70%);
 pointer-events: none;
}
.sec-band .container, .zone-head .container { position: relative; z-index: 1; }
.entry {
 display: grid;
 grid-template-columns: 148px 1fr;
 gap: 14px;
 padding: 14px;
 margin: 0 0 14px;
 color: var(--text);
}
.entry-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.entry h3 a, .brief h3 a { color: var(--text); }
.entry h3 a:hover, .brief h3 a:hover { color: var(--link); }
.entry p, .brief p { margin: 6px 0 0; color: var(--muted); font-size: 15px; }
.meta, .brief-meta span { color: var(--muted); font-size: 13px; }
.wordcard {
 min-height: 108px;
 border-radius: 12px;
 padding: 12px;
 display: flex;
 flex-direction: column;
 justify-content: flex-end;
 background:
  linear-gradient(160deg, rgba(106,91,255,.42), rgba(226,61,140,.2)),
  repeating-linear-gradient(90deg, rgba(255,255,255,.16) 0 8px, transparent 8px 18px);
 border: 1px solid rgba(255,255,255,.16);
}
.wordcard span { font-size: 12px; color: #f7f4ff; }
.wordcard strong { font-size: 18px; line-height: 1.35; color: #fff; }
.entry:nth-child(3n+2) .wordcard {
 background:
  linear-gradient(145deg, rgba(90,70,200,.55), rgba(40,90,130,.22)),
  repeating-linear-gradient(0deg, rgba(255,255,255,.12) 0 10px, transparent 10px 18px);
}
.entry:nth-child(3n) .wordcard {
 background:
  linear-gradient(200deg, rgba(226,61,140,.38), rgba(106,91,255,.28)),
  repeating-linear-gradient(90deg, rgba(255,255,255,.14) 0 6px, transparent 6px 16px);
}
.more {
 display: inline-flex;
 margin: 4px 0 16px;
 color: var(--link);
 border-bottom: 1px solid rgba(154,240,246,.45);
 padding-bottom: 2px;
}
.more:hover { color: #d8fffd; border-bottom-color: #d8fffd; }
.more:active { transform: translateY(1px); }
.group-label { margin: 8px 0 12px; color: #ddd7ff; font-size: 14px; }
.outline { padding: 14px; position: sticky; top: 86px; }
.outline-title { margin: 0 0 8px; font-size: 14px; color: #ddd7ff; }
.outline a {
 display: block;
 padding: 8px 10px;
 border-radius: 12px;
 color: var(--muted);
}
.outline a:hover, .outline a:focus-visible { background: rgba(106,91,255,.2); color: #fff; }
.outline a:active { transform: translateY(1px); }
.diff-row {
 display: grid;
 grid-template-columns: 1fr 148px 1fr;
 gap: 12px;
 padding: 16px;
 margin-top: 14px;
 align-items: stretch;
}
.diff-side h3 { margin-bottom: 6px; }
.diff-side p { margin: 0; color: var(--muted); font-size: 15px; }
.diff-mid {
 display: flex;
 align-items: center;
 justify-content: center;
 text-align: center;
 border-radius: 12px;
 padding: 10px;
 background: rgba(226, 61, 140, .12);
 border: 1px solid rgba(226, 61, 140, .38);
 color: #ffd4e8;
 font-size: 14px;
 line-height: 1.5;
}
.tag-cloud { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.chip {
 flex: 0 0 auto;
 border-radius: var(--pill);
 border: 1px solid var(--line);
 background: rgba(44, 36, 84, .55);
 color: var(--text);
 padding: 8px 14px;
 transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.chip:hover { border-color: var(--line-strong); transform: translateY(-2px); box-shadow: 0 0 14px rgba(106,91,255,.3); color: #fff; }
.chip:active { transform: translateY(1px); }
.brief {
 display: flex;
 justify-content: space-between;
 gap: 18px;
 padding: 16px 18px;
 margin-top: 12px;
 align-items: center;
}
.brief-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; min-width: 96px; }
.assure-card { height: 100%; }
.ico {
 width: 28px;
 height: 28px;
 display: inline-flex;
 color: #c9bfff;
 margin-bottom: 8px;
}
.ico svg { width: 28px; height: 28px; stroke: currentColor; fill: none; stroke-width: 1.6; }
.card-pad { display: flex; flex-direction: column; gap: 8px; padding: 18px; color: var(--text); }
.card-pad p { color: var(--muted); font-size: 15px; margin: 0; }
.faq-item { margin-top: 12px; overflow: hidden; }
.faq-item summary {
 cursor: pointer;
 list-style: none;
 padding: 14px 16px;
 font-weight: 650;
 color: var(--text);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: #fff; }
.faq-item[open] { box-shadow: inset 2px 0 0 var(--accent), var(--shadow); }
.faq-a { padding: 0 16px 16px; color: var(--muted); }
.lead-grid {
 display: grid;
 grid-template-columns: minmax(0, .8fr) minmax(0, 1.3fr) auto;
 gap: 12px;
 align-items: end;
 margin-top: 18px;
}
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
input[type="text"], input[type="tel"], textarea {
 width: 100%;
 background: rgba(8, 6, 18, .55);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 min-height: 44px;
 padding: 10px 16px;
 box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
}
textarea { min-height: 96px; resize: vertical; }
input:hover, textarea:hover { border-color: var(--line-strong); }
input:focus, textarea:focus { border-color: #7ee7f0; box-shadow: 0 0 0 2px rgba(126, 231, 240, .25); }
.check { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 14px; margin-top: 12px; }
.check input { width: 18px; height: 18px; accent-color: #6a5bff; }
.site-footer {
 background: #09070f;
 border-top: 1px solid var(--line);
 padding: 48px 0 28px;
}
.foot-brand {
 display: flex;
 justify-content: space-between;
 gap: 12px;
 align-items: baseline;
 margin-bottom: 22px;
}
.foot-brand strong { font-size: 16px; }
.foot-brand span { color: var(--muted); font-size: 13px; }
.foot-label { color: #ddd7ff; font-size: 13px; margin: 0 0 8px; }
.site-footer .cell a { display: block; color: var(--muted); padding: 4px 0; }
.site-footer .cell a:hover { color: var(--text); }
.copy { margin: 22px 0 0; color: var(--muted); font-size: 13px; }
.fine { display: block; color: rgba(183, 192, 220, .72); font-size: 12px; }
@media (max-width: 1023px) {
 .desk-nav { display: none; }
 .menu-toggle { display: inline-flex; align-items: center; }
 .logo { max-width: 62%; }
 .outline { position: static; }
 .outline-wrap { order: -1; width: 100%; margin-bottom: 8px; }
 .sec { padding: 64px 0; }
 h1 { font-size: 34px; }
 h2 { font-size: 24px; }
}
@media (max-width: 767px) {
 .zone-head-inner { flex-direction: column; align-items: flex-start; }
 .zone-side { justify-content: flex-start; max-width: none; }
 .zone-side p { text-align: left; }
 .entry { grid-template-columns: 1fr; }
 .diff-row { grid-template-columns: 1fr; }
 .brief { flex-direction: column; align-items: flex-start; }
 .brief-meta { align-items: flex-start; flex-direction: row; }
 .lead-grid { grid-template-columns: 1fr; }
 .lead-grid .btn { width: 100%; }
 .foot-brand { flex-direction: column; }
 .sec { padding: 52px 0; }
}
@media (max-width: 639px) {
 .logo { max-width: 68%; }
 .logo-name { font-size: 14px; }
 h1 { font-size: 30px; }
 h2 { font-size: 22px; }
 .sec { padding: 44px 0; }
 .zone-head { padding: 26px 0 20px; }
}
@media (max-width: 520px) {
 .container { width: calc(100% - 24px); }
 .nav-bar { min-height: 64px; }
 .wordcard { min-height: 84px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 .lift, .btn, .chip, a.glass { transition: none; }
}