/* roulang page: index */
:root {
  --banana: #C8922A;
  --leaf: #2F6B45;
  --char: #1B1613;
  --ink: #241C16;
  --cream: #F6F1E6;
  --paper: #FFFBF4;
  --ripe: #8A4630;
  --muted: rgba(36, 28, 22, .72);
  --line: rgba(27, 22, 19, .14);
  --shadow: 0 10px 28px rgba(27, 22, 19, .08);
  --radius: 12px;
  --btn-radius: 8px;
  --space: 72px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--cream);
  font-weight: 400;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
a { color: var(--leaf); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, .btn:focus-visible, input:focus-visible {
  outline: 2px solid var(--banana);
  outline-offset: 2px;
}
h1, h2, h3, strong, .btn { font-weight: 700; }
h1 { font-size: 38px; line-height: 1.28; letter-spacing: 0; margin: 0 0 12px; }
h2 { font-size: 26px; line-height: 1.4; margin: 0; }
h3 { font-size: 18px; line-height: 1.5; margin: 0 0 6px; }
p { margin: 0 0 12px; }
.container { max-width: 1120px; }
.section-title {
  border-left: 4px solid var(--leaf);
  padding-left: 12px;
  margin-bottom: 14px;
}
.lead-copy {
  max-width: 760px;
  color: var(--ink);
  margin-bottom: 26px;
}
.band { padding: var(--space) 0; }
.band-cream { background: var(--cream); }
.band-paper { background: var(--paper); }
.band-char { background: var(--char); color: var(--cream); }
.band-char .section-title { color: var(--cream); border-left-color: var(--banana); }
.band-char .lead-copy { color: rgba(246, 241, 230, .88); }

.site-header {
  background: var(--char);
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(246, 241, 230, .08);
}
.site-header .navbar { padding: 0; min-height: 68px; }
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--cream) !important;
  text-decoration: none !important;
  padding: 14px 0;
}
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--banana);
  position: relative;
  flex: 0 0 34px;
}
.brand-mark::before {
  content: "";
  position: absolute;
  width: 14px;
  height: 16px;
  border-radius: 8px 8px 8px 2px;
  background: var(--leaf);
  right: -4px;
  top: -5px;
  transform: rotate(28deg);
}
.brand-mark::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 9px;
  width: 16px;
  height: 16px;
  border-radius: 50% 50% 50% 46%;
  background: var(--char);
  opacity: .18;
}
.brand-text { font-size: 18px; letter-spacing: .02em; }
.navbar-nav { align-items: center; gap: 4px; }
.nav-link {
  color: var(--cream) !important;
  padding: 10px 14px !important;
  border-bottom: 2px solid transparent;
  text-decoration: none !important;
}
.nav-link:hover { color: var(--banana) !important; }
.nav-link.active {
  border-bottom-color: var(--banana);
  color: var(--cream) !important;
  background: transparent !important;
}
.nav-cta {
  margin-left: 12px;
}
.navbar-toggler {
  border: 1px solid rgba(246, 241, 230, .45);
  border-radius: 8px;
  padding: 8px 10px;
}
.navbar-toggler:focus { box-shadow: 0 0 0 2px var(--banana); }
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23F6F1E6' stroke-width='2' stroke-linecap='round' d='M4 8h22M4 15h22M4 22h22'/%3E%3C/svg%3E");
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 18px;
  border-radius: var(--btn-radius);
  border: 1px solid transparent;
  font-size: 16px;
  line-height: 1.2;
  text-decoration: none !important;
  transition: transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  cursor: pointer;
}
.btn-brand {
  background: var(--banana);
  color: var(--char) !important;
  border-color: var(--banana);
}
.btn-brand:hover, .btn-brand:focus {
  background: var(--ripe);
  border-color: var(--ripe);
  color: var(--cream) !important;
  transform: translateY(-2px);
}
.btn-brand:active { transform: translateY(0); }
.btn-line {
  background: transparent;
  color: var(--char) !important;
  border-color: var(--char);
}
.btn-line:hover, .btn-line:focus {
  background: var(--leaf);
  border-color: var(--leaf);
  color: var(--cream) !important;
  transform: translateY(-2px);
}
.band-char .btn-line {
  color: var(--cream) !important;
  border-color: rgba(246, 241, 230, .7);
}
.band-char .btn-line:hover { background: var(--leaf); border-color: var(--leaf); color: var(--cream) !important; }

.badge-soft {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 2px 12px;
  border-radius: 999px;
  background: rgba(200, 146, 42, .18);
  color: var(--char);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
}
.hero-kicker { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.hero-sub { font-size: 18px; margin-bottom: 12px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 36px;
  align-items: center;
}
.hero-visual { min-height: 320px; }
.geo-board {
  position: relative;
  height: 360px;
  border-radius: 12px;
  background:
    linear-gradient(160deg, rgba(200, 146, 42, .2), transparent 42%),
    var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.geo-film, .geo-seat, .geo-leaf, .geo-caption { position: absolute; }
.geo-film {
  width: 150px;
  height: 188px;
  left: 36px;
  top: 42px;
  background:
    repeating-linear-gradient(to bottom, var(--char) 0 8px, transparent 8px 18px),
    linear-gradient(180deg, #e7c27a, var(--banana));
  background-size: 16px 100%, 100% 100%;
  background-repeat: no-repeat;
  background-position: left top, center;
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.geo-film::after {
  content: "";
  position: absolute;
  inset: 18px 22px;
  background: var(--char);
  border-radius: 4px;
  opacity: .88;
}
.geo-film-b {
  left: auto;
  right: 48px;
  top: 78px;
  width: 120px;
  height: 150px;
  transform: rotate(8deg);
  background:
    repeating-linear-gradient(to bottom, var(--char) 0 8px, transparent 8px 18px),
    linear-gradient(180deg, #f3e2bf, #d7a44a);
  background-size: 14px 100%, 100% 100%;
}
.geo-seat {
  width: 210px;
  height: 78px;
  left: 28px;
  bottom: 36px;
  background:
    radial-gradient(circle at 28px 18px, transparent 16px, var(--ripe) 17px 34px, transparent 35px),
    radial-gradient(circle at 96px 18px, transparent 16px, var(--char) 17px 34px, transparent 35px),
    radial-gradient(circle at 164px 18px, transparent 16px, var(--ripe) 17px 34px, transparent 35px);
  opacity: .85;
}
.geo-leaf {
  width: 70px;
  height: 86px;
  right: 28px;
  bottom: 48px;
  background: var(--leaf);
  border-radius: 0 70px 0 70px;
  transform: rotate(-18deg);
}
.geo-caption {
  right: 22px;
  top: 22px;
  background: var(--char);
  color: var(--cream);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 13px;
}

.pain-item {
  display: grid;
  grid-template-columns: 64px 180px 1fr;
  gap: 12px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.pain-item:first-of-type { border-top: 1px solid var(--line); }
.pain-index {
  font-size: 20px;
  color: var(--ripe);
}
.pain-item p { margin: 0; color: var(--muted); }

.solution-grid, .quality-grid, .mobile-grid, .boundary-grid, .channel-grid {
  display: grid;
  gap: 28px;
  align-items: start;
}
.solution-grid { grid-template-columns: 7fr 5fr; }
.quality-grid { grid-template-columns: 1.3fr .7fr; }
.mobile-grid { grid-template-columns: .8fr 1.2fr; }
.boundary-grid { grid-template-columns: 1.2fr .8fr; }
.channel-grid { grid-template-columns: 1.35fr .85fr; }
.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.band-paper .panel { background: var(--cream); }
.solution-item, .rule-item, .people-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.solution-item:last-child, .rule-item:last-child, .people-item:last-child { border-bottom: 0; padding-bottom: 0; }
.solution-item p, .rule-item p, .people-item p { margin: 0; color: var(--muted); }

.step-rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  position: relative;
}
.step-rail::before {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  top: 18px;
  height: 2px;
  background: rgba(200, 146, 42, .55);
}
.step-item {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 16px 16px;
  box-shadow: var(--shadow);
}
.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--banana);
  color: var(--char);
  display: grid;
  place-items: center;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}
.step-item p { margin: 0; color: var(--muted); font-size: 15.5px; }

.scene-grid {
  display: grid;
  grid-template-columns: 1.35fr 1.05fr .8fr;
  gap: 16px;
}
.scene-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 230px;
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink) !important;
  text-decoration: none !important;
  box-shadow: var(--shadow);
  transition: transform .18s ease;
}
.scene-card:hover { transform: translateY(-2px); text-decoration: none !important; }
.scene-card p { color: var(--muted); margin: 8px 0 0; }
.scene-wide { background: #f3e6cf; }
.scene-mid { background: var(--paper); }
.scene-narrow { background: #efe4d4; }
.scene-go { margin-top: 16px; color: var(--leaf); font-weight: 700; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.stat-item {
  padding-top: 8px;
  border-top: 2px solid rgba(200, 146, 42, .7);
}
.stat-num { font-size: 40px; line-height: 1.1; color: var(--banana); margin-bottom: 6px; }
.stat-item p { margin: 0; color: rgba(246, 241, 230, .8); }

.voice-main {
  background: var(--cream);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  padding: 28px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}
.voice-main q { font-size: 22px; line-height: 1.6; display: block; }
.voice-main span, .voice-mini span { display: block; margin-top: 10px; color: var(--ripe); }
.voice-side { display: grid; grid-template-columns: 1.25fr .75fr; gap: 16px; }
.voice-mini {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}
.voice-note { margin-top: 14px; color: var(--muted); font-size: 14px; }

.people-label { color: var(--ripe); font-size: 14px; margin-bottom: 4px; }

.news-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none !important;
}
.news-row:first-child { border-top: 1px solid var(--line); }
.news-row:hover .news-title { text-decoration: underline; }
.news-date { color: var(--ripe); }
.news-title { font-size: 18px; margin-bottom: 4px; }
.news-row p { margin: 0; color: var(--muted); }

.meter-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin: 0; }
.meter-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--paper);
}
.meter-line { margin-bottom: 14px; }
.meter-line dt { font-weight: 700; }
.meter-line dd { margin: 4px 0 0; color: var(--muted); }
.meter-track {
  height: 8px;
  background: rgba(27, 22, 19, .08);
  border-radius: 999px;
  margin-top: 6px;
  overflow: hidden;
}
.meter-fill { display: block; height: 100%; background: var(--banana); border-radius: 999px; }
.meter-fill.leaf { background: var(--leaf); }
.meter-fill.ripe { background: var(--ripe); }

.badge-stack { display: flex; flex-direction: column; gap: 12px; }
.grade {
  border-radius: 12px;
  padding: 14px 16px;
  background: rgba(200, 146, 42, .16);
  border: 1px solid var(--line);
}
.grade strong { display: block; margin-bottom: 4px; }
.grade p { margin: 0; color: var(--muted); }

.phone {
  width: 250px;
  max-width: 100%;
  margin: 0 auto;
  background: var(--char);
  border-radius: 28px;
  padding: 16px 14px 20px;
  box-shadow: var(--shadow);
}
.phone-bar {
  width: 86px;
  height: 8px;
  border-radius: 999px;
  background: rgba(246, 241, 230, .25);
  margin: 0 auto 14px;
}
.phone-screen {
  background: var(--cream);
  border-radius: 16px;
  min-height: 280px;
  padding: 16px 14px;
}
.phone-line {
  border-bottom: 1px solid var(--line);
  padding: 10px 0;
}
.phone-line b { display: block; font-size: 14px; }
.phone-line span { color: var(--muted); font-size: 13px; }

.channel-card {
  display: block;
  min-height: 240px;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  color: var(--ink) !important;
  text-decoration: none !important;
}
.channel-card:hover { transform: translateY(-2px); text-decoration: none !important; }
.channel-main { background: #f4e4c4; }
.channel-side { background: var(--paper); }
.channel-card p { color: var(--muted); }
.channel-card .scene-go { display: inline-block; }

.accordion-item {
  background: var(--paper);
  border: 1px solid rgba(27, 22, 19, .28) !important;
  border-radius: 12px !important;
  overflow: hidden;
  margin-bottom: 12px;
}
.accordion-button {
  background: var(--paper);
  color: var(--ink);
  font-weight: 700;
  font-size: 17px;
  box-shadow: none !important;
  padding: 16px 18px;
}
.accordion-button:not(.collapsed) { background: var(--cream); color: var(--ink); }
.accordion-button:focus { box-shadow: inset 0 0 0 2px var(--banana) !important; }
.accordion-body { background: var(--cream); color: var(--ink); padding: 4px 18px 18px; }
.accordion-button::after { filter: grayscale(1) contrast(1.2); }

.age-form label { display: flex; gap: 10px; align-items: flex-start; margin: 12px 0; }
.age-form input { width: 18px; height: 18px; margin-top: 6px; accent-color: var(--leaf); }
.age-msg { min-height: 1.75em; color: var(--ripe); }

.closer-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }

.site-footer {
  background: var(--char);
  color: var(--cream);
  padding: 42px 0 32px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 24px;
}
.site-footer a { color: var(--cream); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; color: var(--banana); }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 8px; }
.foot-domain { margin-top: 18px; color: rgba(246, 241, 230, .72); font-size: 14px; }
.age-line { color: var(--banana); margin-bottom: 8px; }

@media (max-width: 991.98px) {
  .navbar-collapse {
    background: var(--char);
    padding: 4px 0 16px;
  }
  .nav-cta { width: 100%; margin: 8px 0 0; }
  .navbar-nav { align-items: stretch; }
}
@media (max-width: 767.98px) {
  :root { --space: 40px; }
  h1 { font-size: 28px; }
  h2 { font-size: 24px; }
  .hero-grid, .solution-grid, .quality-grid, .mobile-grid, .boundary-grid, .channel-grid, .scene-grid, .meter-grid, .voice-side, .stat-grid, .step-rail, .foot-grid, .pain-item, .news-row {
    grid-template-columns: 1fr;
  }
  .step-rail::before { display: none; }
  .step-item { border-left: 3px solid var(--banana); }
  .btn { width: 100%; }
  .hero-actions, .closer-actions { flex-direction: column; }
  .geo-board { height: 280px; }
  .scene-card { min-height: 0; }
  .stat-num { font-size: 32px; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .brand-text { font-size: 16px; }
  .geo-film { left: 16px; width: 120px; }
  .geo-film-b { right: 16px; }
  .voice-main q { font-size: 18px; }
}

/* roulang page: category2 */
:root {
  --banana: #C8922A;
  --leaf: #2F6B45;
  --char: #1B1613;
  --ink: #241C16;
  --cream: #F6F1E6;
  --paper: #FFFBF4;
  --ripe: #8A4630;
  --muted: rgba(36, 28, 22, .72);
  --line: rgba(27, 22, 19, .14);
  --shadow: 0 10px 28px rgba(27, 22, 19, .08);
  --radius: 12px;
  --btn-radius: 8px;
  --space: 72px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--cream);
  font-weight: 400;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
a { color: var(--leaf); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, .btn:focus-visible, input:focus-visible {
  outline: 2px solid var(--banana);
  outline-offset: 2px;
}
h1, h2, h3, strong, .btn { font-weight: 700; }
h1 { font-size: 46px; line-height: 1.2; letter-spacing: .01em; margin: 0; }
h2 { font-size: 26px; line-height: 1.35; margin: 0; }
h3 { font-size: 18px; line-height: 1.45; margin: 0 0 6px; }
p { margin: 0 0 12px; }
.container { max-width: 1120px; }
.section-title {
  border-left: 4px solid var(--leaf);
  padding-left: 12px;
  margin-bottom: 14px;
}
.lead-copy {
  max-width: 760px;
  color: var(--ink);
  margin-bottom: 26px;
}
.site-header {
  background: var(--char);
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(246, 241, 230, .08);
}
.site-header .navbar { padding: 0; min-height: 68px; }
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--cream) !important;
  text-decoration: none !important;
  padding: 14px 0;
}
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--banana);
  position: relative;
  flex: 0 0 34px;
}
.brand-mark::before {
  content: "";
  position: absolute;
  width: 14px;
  height: 16px;
  border-radius: 8px 8px 8px 2px;
  background: var(--leaf);
  right: -4px;
  top: -5px;
  transform: rotate(28deg);
}
.brand-mark::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 9px;
  width: 16px;
  height: 16px;
  border-radius: 50% 50% 50% 46%;
  background: var(--char);
  opacity: .18;
}
.brand-text { font-size: 18px; letter-spacing: .02em; }
.navbar-nav { align-items: center; gap: 4px; }
.nav-link {
  color: var(--cream) !important;
  padding: 10px 14px !important;
  border-bottom: 2px solid transparent;
  text-decoration: none !important;
}
.nav-link:hover { color: var(--banana) !important; }
.nav-link.active {
  border-bottom-color: var(--banana);
  color: var(--cream) !important;
  background: transparent !important;
}
.nav-cta { margin-left: 12px; }
.navbar-toggler {
  border: 1px solid rgba(246, 241, 230, .45);
  border-radius: 8px;
  padding: 8px 10px;
}
.navbar-toggler:focus { box-shadow: 0 0 0 2px var(--banana); }
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23F6F1E6' stroke-width='2' stroke-linecap='round' d='M4 8h22M4 15h22M4 22h22'/%3E%3C/svg%3E");
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 18px;
  border-radius: var(--btn-radius);
  border: 1px solid transparent;
  font-size: 16px;
  line-height: 1.2;
  text-decoration: none !important;
  transition: transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  cursor: pointer;
}
.btn-brand {
  background: var(--banana);
  color: var(--char) !important;
  border-color: var(--banana);
}
.btn-brand:hover, .btn-brand:focus {
  background: var(--ripe);
  border-color: var(--ripe);
  color: var(--cream) !important;
  transform: translateY(-2px);
}
.btn-brand:active { transform: translateY(0); }
.btn-line {
  background: transparent;
  color: var(--char) !important;
  border-color: var(--char);
}
.btn-line:hover, .btn-line:focus {
  background: var(--leaf);
  border-color: var(--leaf);
  color: var(--cream) !important;
  transform: translateY(-2px);
}
.badge-soft {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 2px 12px;
  border-radius: 999px;
  background: rgba(200, 146, 42, .18);
  color: var(--char);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
}
.page-band { padding: var(--space) 0; }
.band-cream { background: var(--cream); }
.band-paper { background: var(--paper); }
.mag-head { background: var(--paper); padding: 48px 0 28px; border-bottom: 1px solid var(--line); }
.mag-head-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: end;
}
.mag-kicker {
  color: var(--ripe);
  font-size: 14px;
  letter-spacing: .08em;
  margin-bottom: 10px;
}
.mag-scope {
  max-width: 680px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
}
.mag-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  min-width: 220px;
}
.crumb { font-size: 14px; color: var(--muted); }
.crumb a { color: var(--char); }
.crumb a:hover { color: var(--leaf); }
.crumb-now { color: var(--ink); }
.toc-strip {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
}
.toc-strip a {
  flex: 0 0 auto;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--char);
  text-decoration: none;
}
.toc-strip a:hover {
  background: var(--leaf);
  border-color: var(--leaf);
  color: var(--cream);
  text-decoration: none;
}
.pick-row {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.pick-row:first-of-type { border-top: 1px solid var(--line); }
.pick-index {
  color: var(--banana);
  font-size: 22px;
  font-weight: 700;
}
.pick-row p { margin: 0; color: var(--muted); }
.pick-link {
  color: var(--char);
  font-weight: 700;
  white-space: nowrap;
}
.pick-link:hover { color: var(--leaf); }
.more-row { margin-top: 22px; }
.scene-split {
  display: grid;
  grid-template-columns: 1.4fr .8fr;
  gap: 28px;
  align-items: start;
}
.scene-long, .scene-short {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}
.scene-short { background: var(--cream); }
.scene-long p:last-child, .scene-short p:last-child { margin-bottom: 0; }
.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.metric-cell {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 20px;
}
.metric-num {
  display: block;
  font-size: 36px;
  line-height: 1.1;
  color: var(--ripe);
  font-weight: 700;
}
.metric-cell p { margin: 8px 0 0; color: var(--muted); }
.quote-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.quote-block {
  margin: 0;
  padding: 8px 0 8px 22px;
  border-left: 4px solid var(--banana);
}
.quote-block p {
  font-size: 22px;
  line-height: 1.6;
  margin: 0 0 12px;
}
.quote-note { color: var(--muted); font-size: 14px; }
.update-line {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.update-line a { color: var(--char); font-weight: 700; }
.update-line a:hover { color: var(--leaf); }
.date-chip { color: var(--ripe); font-weight: 700; }
.end-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.site-footer {
  background: var(--char);
  color: var(--cream);
  padding: 48px 0 36px;
}
.site-footer .section-title {
  color: var(--cream);
  border-left-color: var(--banana);
  font-size: 18px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr;
  gap: 32px;
}
.age-line { color: var(--banana); margin-top: 12px; }
.site-footer p { color: rgba(246, 241, 230, .82); }
.foot-domain { color: rgba(246, 241, 230, .55); font-size: 14px; }
.foot-links { display: flex; flex-direction: column; gap: 8px; }
.foot-links a { color: var(--cream); }
.foot-links a:hover { color: var(--banana); }
@media (max-width: 991.98px) {
  .navbar-collapse { padding-bottom: 14px; }
  .navbar-nav { align-items: stretch; width: 100%; }
  .nav-link { border-bottom: 0; border-left: 2px solid transparent; }
  .nav-link.active { border-left-color: var(--banana); border-bottom-color: transparent; }
  .nav-cta { margin: 8px 0 12px; width: 100%; }
  .mag-head-grid, .scene-split, .foot-grid { grid-template-columns: 1fr; }
  .mag-side { align-items: flex-start; min-width: 0; }
}
@media (max-width: 767.98px) {
  :root { --space: 40px; }
  h1 { font-size: 30px; }
  h2 { font-size: 22px; }
  .pick-row, .update-line { grid-template-columns: 1fr; gap: 6px; }
  .metric-row { grid-template-columns: 1fr; }
  .quote-block p { font-size: 18px; }
  .btn { width: 100%; }
  .end-actions .btn { width: auto; min-width: 44%; }
}
@media (max-width: 520px) {
  .brand-text { font-size: 16px; }
  .mag-head { padding-top: 28px; }
  .metric-num { font-size: 30px; }
}

/* roulang page: category1 */
:root {
  --banana: #C8922A;
  --leaf: #2F6B45;
  --char: #1B1613;
  --ink: #241C16;
  --cream: #F6F1E6;
  --paper: #FFFBF4;
  --ripe: #8A4630;
  --muted: rgba(36, 28, 22, .72);
  --line: rgba(27, 22, 19, .14);
  --shadow: 0 10px 28px rgba(27, 22, 19, .08);
  --radius: 12px;
  --btn-radius: 8px;
  --space: 72px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--cream);
  font-weight: 400;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
a { color: var(--leaf); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, .btn:focus-visible, input:focus-visible, .accordion-button:focus-visible {
  outline: 2px solid var(--banana);
  outline-offset: 2px;
}
h1, h2, h3, strong, .btn { font-weight: 700; }
h1 { font-size: 38px; line-height: 1.25; letter-spacing: .01em; margin: 0 0 12px; }
h2 { font-size: 26px; line-height: 1.35; margin: 0; }
h3 { font-size: 18px; line-height: 1.45; margin: 0 0 6px; }
p { margin: 0 0 10px; }
.container { max-width: 1120px; }
.section-title {
  border-left: 4px solid var(--leaf);
  padding-left: 12px;
  margin-bottom: 14px;
}
.lead-copy {
  max-width: 760px;
  color: var(--ink);
  margin-bottom: 0;
}
.band { padding: var(--space) 0; background: var(--cream); }
.band-paper { background: var(--paper); }
.band-char { background: var(--char); color: var(--cream); }
.band-char .section-title { color: var(--cream); border-left-color: var(--banana); }
.band-char .lead-copy { color: rgba(246, 241, 230, .88); }
.site-header {
  background: var(--char);
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(246, 241, 230, .08);
}
.site-header .navbar { padding: 0; min-height: 68px; }
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--cream) !important;
  text-decoration: none !important;
  padding: 14px 0;
}
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--banana);
  position: relative;
  flex: 0 0 34px;
}
.brand-mark::before {
  content: "";
  position: absolute;
  width: 14px;
  height: 16px;
  border-radius: 8px 8px 8px 2px;
  background: var(--leaf);
  right: -4px;
  top: -5px;
  transform: rotate(28deg);
}
.brand-mark::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 9px;
  width: 16px;
  height: 16px;
  border-radius: 50% 50% 50% 46%;
  background: var(--char);
  opacity: .18;
}
.brand-text { font-size: 18px; letter-spacing: .02em; }
.navbar-nav { align-items: center; gap: 4px; }
.nav-link {
  color: var(--cream) !important;
  padding: 10px 14px !important;
  border-bottom: 2px solid transparent;
  text-decoration: none !important;
}
.nav-link:hover { color: var(--banana) !important; }
.nav-link.active {
  border-bottom-color: var(--banana);
  color: var(--cream) !important;
  background: transparent !important;
}
.nav-cta { margin-left: 12px; }
.navbar-toggler {
  border: 1px solid rgba(246, 241, 230, .45);
  border-radius: 8px;
  padding: 8px 10px;
}
.navbar-toggler:focus { box-shadow: 0 0 0 2px var(--banana); }
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23F6F1E6' stroke-width='2' stroke-linecap='round' d='M4 8h22M4 15h22M4 22h22'/%3E%3C/svg%3E");
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 18px;
  border-radius: var(--btn-radius);
  border: 1px solid transparent;
  font-size: 16px;
  line-height: 1.2;
  text-decoration: none !important;
  transition: transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease;
  cursor: pointer;
}
.btn-brand {
  background: var(--banana);
  color: var(--char) !important;
  border-color: var(--banana);
}
.btn-brand:hover, .btn-brand:focus {
  background: var(--ripe);
  border-color: var(--ripe);
  color: var(--cream) !important;
  transform: translateY(-2px);
}
.btn-brand:active { transform: translateY(0); }
.btn-line {
  background: transparent;
  color: var(--char) !important;
  border-color: var(--char);
}
.btn-line:hover, .btn-line:focus {
  background: var(--leaf);
  border-color: var(--leaf);
  color: var(--cream) !important;
  transform: translateY(-2px);
}
.band-char .btn-line {
  color: var(--cream) !important;
  border-color: rgba(246, 241, 230, .7);
}
.band-char .btn-line:hover { background: var(--leaf); border-color: var(--leaf); color: var(--cream) !important; }
.badge-soft {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 2px 12px;
  border-radius: 999px;
  background: rgba(200, 146, 42, .18);
  color: var(--char);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
  border: 1px solid transparent;
}
.badge-soft.is-on {
  background: var(--banana);
  color: var(--char);
}
.badge-soft.is-quiet {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
  font-weight: 400;
}
.masthead {
  padding-top: 36px;
  padding-bottom: 28px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  font-size: 14px;
  color: var(--muted);
}
.crumb a { color: var(--leaf); }
.crumb li:not(:last-child)::after { content: "/"; margin-left: 8px; color: rgba(36, 28, 22, .4); }
.mast-row {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
}
.mast-copy { max-width: 740px; }
.mast-kicker, .sort-row, .chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.mast-kicker { margin-bottom: 12px; }
.mast-rule {
  width: 72px;
  height: 4px;
  border-radius: 4px;
  background: var(--banana);
  margin: 14px 0;
}
.sort-row { justify-content: flex-end; margin-bottom: 8px; }
.sort-note { margin: 0; color: var(--muted); font-size: 14px; text-align: right; }
.filter-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.filter-group {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
}
.filter-group h3 { font-size: 16px; margin-bottom: 10px; }
.entry-list { display: flex; flex-direction: column; gap: 14px; }
.entry {
  display: grid;
  grid-template-columns: 8px 1fr;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .18s ease, box-shadow .18s ease;
}
.entry:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(27, 22, 19, .12); }
.entry-bar { background: var(--banana); }
.entry:nth-child(3n+2) .entry-bar { background: var(--leaf); }
.entry:nth-child(3n) .entry-bar { background: var(--ripe); }
.entry-body { padding: 18px 20px 16px; }
.entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 14px;
}
.entry-body p { margin: 0; color: var(--muted); }
.entry h3 a { color: var(--ink); }
.entry h3 a:hover { color: var(--leaf); }
.list-more { margin-top: 18px; }
.tier-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.tier {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px 8px;
  border-top: 4px solid var(--banana);
}
.tier:nth-child(2) { border-top-color: var(--leaf); }
.tier:nth-child(3) { border-top-color: var(--ripe); }
.tier p { color: var(--muted); }
.path-list { display: flex; flex-direction: column; gap: 0; max-width: 760px; }
.path-step {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  position: relative;
  padding-bottom: 18px;
}
.path-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 42px;
  bottom: 0;
  width: 2px;
  background: rgba(200, 146, 42, .45);
}
.path-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--banana);
  color: var(--char);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.path-step h3 { margin-bottom: 4px; }
.path-step p { margin: 0; color: var(--muted); }
.path-back { margin-top: 8px; }
.related-list { list-style: none; padding: 0; margin: 0; }
.related-list li {
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}
.related-list a {
  color: var(--ink);
  font-weight: 700;
  font-size: 18px;
}
.related-list a:hover { color: var(--leaf); }
.related-list span { display: block; color: var(--muted); font-weight: 400; font-size: 15px; margin-top: 4px; }
.faq-acc { max-width: 860px; }
.accordion-item {
  background: var(--paper);
  border: 1px solid var(--line) !important;
  border-radius: var(--radius) !important;
  overflow: hidden;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}
.accordion-button {
  background: var(--paper);
  color: var(--ink);
  font-weight: 700;
  font-size: 17px;
  box-shadow: none !important;
  padding: 16px 18px;
}
.accordion-button:not(.collapsed) {
  background: rgba(200, 146, 42, .16);
  color: var(--char);
}
.accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%231B1613' d='M1.5 5.5l6.5 6 6.5-6'/%3E%3C/svg%3E");
}
.accordion-body { color: var(--muted); padding: 4px 18px 16px; }
.end-cta {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}
.end-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.site-footer {
  background: var(--char);
  color: var(--cream);
  padding: 48px 0 36px;
}
.site-footer a { color: var(--cream); }
.site-footer a:hover { color: var(--banana); }
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr;
  gap: 32px;
}
.age-line { color: var(--banana); font-weight: 700; margin-top: 12px; }
.foot-domain { color: rgba(246, 241, 230, .62); font-size: 14px; margin-bottom: 0; }
.foot-links { display: flex; flex-direction: column; gap: 8px; }
.foot-links a { text-decoration: none; }
.foot-links a:hover { text-decoration: underline; }
.site-footer .section-title { color: var(--cream); border-left-color: var(--banana); font-size: 20px; }
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: var(--char);
    padding: 4px 0 16px;
  }
  .navbar-nav { align-items: stretch; width: 100%; }
  .nav-link { border-bottom: 0; border-left: 2px solid transparent; }
  .nav-link.active { border-left-color: var(--banana); border-bottom-color: transparent; }
  .nav-cta { margin: 10px 0 0; width: 100%; }
  .mast-row, .end-cta, .foot-grid { grid-template-columns: 1fr; display: grid; }
  .sort-row, .sort-note { justify-content: flex-start; text-align: left; }
  .filter-board { grid-template-columns: 1fr; }
}
@media (max-width: 767.98px) {
  :root { --space: 40px; }
  h1 { font-size: 28px; }
  h2 { font-size: 22px; }
  .tier-row { grid-template-columns: 1fr; }
  .end-cta { align-items: flex-start; }
  .btn { width: 100%; }
  .nav-cta, .end-actions .btn, .list-more .btn, .path-back .btn { width: auto; }
  .end-actions .btn, .list-more .btn { width: 100%; }
}
@media (max-width: 520px) {
  .entry-body { padding: 14px 14px 12px; }
  .masthead { padding-top: 24px; }
  .path-step { grid-template-columns: 44px 1fr; }
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}