/* roulang page: index */
:root {
  --bs-primary: #C4532A;
  --bs-primary-rgb: 196, 83, 42;
  --bs-link-color: #C4532A;
  --bs-link-hover-color: #9a3d1d;
  --bs-body-color: #221C16;
  --bs-body-bg: #F4EFE6;
  --bs-border-color: #E3D6C6;
  --bs-focus-ring-color: rgba(95, 125, 98, .45);
  --jj-persimmon: #C4532A;
  --jj-persimmon-deep: #9a3d1d;
  --jj-leaf: #5F7D62;
  --jj-dusk: #7A6E86;
  --jj-paper: #F4EFE6;
  --jj-paper-2: #EFE7DA;
  --jj-ink: #221C16;
  --jj-ink-soft: #5c5148;
  --jj-card: #FFFCF8;
  --jj-line: #E3D6C6;
  --jj-dark: #2A241E;
  --jj-radius: 4px;
  --jj-header: 72px;
  --jj-shadow: none;
  --jj-space: clamp(3rem, 6vw, 6.5rem);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--jj-paper);
  color: var(--jj-ink);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16.5px;
  line-height: 1.75;
  font-weight: 400;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--jj-persimmon); text-decoration: none; }
a:hover { color: var(--jj-persimmon-deep); }
button, input, textarea { font-family: inherit; }
::selection { background: rgba(196, 83, 42, .18); color: var(--jj-ink); }
:focus-visible { outline: 2px solid var(--jj-leaf); outline-offset: 2px; }
.jj-wrap { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
h1, h2, h3, .brand-name {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--jj-ink);
  line-height: 1.28;
}
h1 { font-size: clamp(2rem, 4.6vw, 3.6rem); margin: 0 0 .6rem; }
h2 { font-size: clamp(1.5rem, 2.4vw, 2.15rem); margin: 0 0 .8rem; }
h3 { font-size: 1.15rem; margin: 0 0 .4rem; }
p { margin: 0 0 .8rem; }
.prose { max-width: 40em; color: var(--jj-ink-soft); }
.band { padding: var(--jj-space) 0; scroll-margin-top: 92px; }
.band-paper { background: var(--jj-paper); }
.band-card { background: #fbf7f1; }
.band-tint { background: linear-gradient(180deg, #f7f1e7 0%, #f3ebe1 100%); }
.band-head { margin-bottom: 1.75rem; max-width: 42em; }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  color: var(--jj-leaf);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: .55rem;
}
.kicker i {
  width: 18px; height: 2px; background: var(--jj-leaf); display: inline-block;
}

.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 40;
  min-height: var(--jj-header);
  background: rgba(244, 239, 230, .96);
  border-bottom: 1px solid var(--jj-line);
  transition: background .2s ease-out;
}
.site-header.is-scrolled { background: #f7f3ec; }
.site-header .navbar { min-height: var(--jj-header); padding: 0; }
.brand {
  display: flex; align-items: center; gap: .65rem;
  color: var(--jj-ink); min-height: 44px; padding: .25rem 0;
}
.brand:hover { color: var(--jj-ink); }
.brand-marks { display: flex; align-items: center; gap: .35rem; flex: 0 0 auto; }
.brand-name { font-size: 1.02rem; font-weight: 700; line-height: 1.2; }
.navbar-nav { gap: .15rem; }
.navbar-nav .nav-link {
  color: var(--jj-ink);
  font-weight: 500;
  font-size: 15px;
  padding: .45rem .7rem;
  min-height: 44px;
  display: flex; align-items: center;
  background-image: linear-gradient(var(--jj-persimmon), var(--jj-persimmon));
  background-repeat: no-repeat;
  background-size: 0 1px;
  background-position: .7rem calc(100% - .55rem);
  transition: background-size .2s ease-out, color .2s ease-out;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
  color: var(--jj-persimmon);
  background-size: calc(100% - 1.4rem) 1px;
}
.nav-cta { display: flex; align-items: center; gap: .6rem; }
.btn-solid, .btn-line {
  border-radius: var(--jj-radius);
  min-height: 44px;
  padding: .45rem 1.05rem;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  border: 1px solid transparent;
  transition: background .2s ease-out, color .2s ease-out, border-color .2s ease-out, transform .2s ease-out;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: none;
}
.btn-solid { background: var(--jj-persimmon); color: #fff; border-color: var(--jj-persimmon); }
.btn-solid:hover, .btn-solid:focus { background: var(--jj-persimmon-deep); color: #fff; border-color: var(--jj-persimmon-deep); }
.btn-solid:active, .btn-line:active { transform: translateY(1px); }
.btn-line { background: transparent; color: var(--jj-ink); border-color: var(--jj-ink); }
.btn-line:hover, .btn-line:focus { color: var(--jj-persimmon); border-color: var(--jj-persimmon); background: transparent; }
.btn-solid:disabled, .btn-line:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.navbar-toggler {
  border: 1px solid var(--jj-line);
  border-radius: var(--jj-radius);
  width: 44px; height: 44px;
  padding: 0;
  box-shadow: none;
}
.navbar-toggler:focus { box-shadow: 0 0 0 2px var(--jj-leaf); }
.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='%23221C16' stroke-width='2' d='M4 8h22M4 15h22M4 22h22'/%3E%3C/svg%3E");
}

.hero {
  position: relative;
  background:
    radial-gradient(460px 300px at 82% 28%, rgba(196, 83, 42, .16), transparent 70%),
    radial-gradient(420px 280px at 92% 78%, rgba(95, 125, 98, .18), transparent 72%),
    radial-gradient(280px 180px at 18% 80%, rgba(122, 110, 134, .1), transparent 70%),
    var(--jj-paper);
  overflow: hidden;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; }
.hero-sub { font-size: 1.15rem; color: var(--jj-ink); margin-bottom: .9rem; }
.hero-copy { font-size: 16.5px; }
.hero-points { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.1rem 0 1.35rem; padding: 0; list-style: none; }
.hero-points li {
  border: 1px solid var(--jj-line);
  background: rgba(255, 252, 248, .72);
  border-radius: var(--jj-radius);
  padding: .35rem .7rem;
  font-size: 14px;
  color: var(--jj-ink);
}
.hero-actions { display: flex; gap: .7rem; flex-wrap: wrap; }
.stage {
  position: relative;
  background: var(--jj-card);
  border: 1px solid var(--jj-line);
  border-radius: 6px;
  padding: 1.1rem 1.15rem 1.2rem;
  min-height: 360px;
}
.stage-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: .8rem; }
.dots { display: flex; gap: .35rem; }
.dots span { width: 7px; height: 7px; border-radius: 50%; background: var(--jj-line); }
.dots span:nth-child(1) { background: var(--jj-persimmon); }
.dots span:nth-child(2) { background: var(--jj-leaf); }
.dots span:nth-child(3) { background: var(--jj-dusk); }
.stage-label { font-size: 13px; color: var(--jj-ink-soft); }
.wave-box { border-top: 1px solid var(--jj-line); border-bottom: 1px solid var(--jj-line); padding: .7rem 0 .2rem; margin-bottom: .85rem; }
.node-row { display: grid; grid-template-columns: 52px 1fr auto; gap: .7rem; align-items: center; padding: .55rem 0; border-bottom: 1px solid var(--jj-line); font-size: 14px; }
.node-row b { font-variant-numeric: tabular-nums; font-weight: 500; color: var(--jj-dusk); }
.node-row em { font-style: normal; color: var(--jj-leaf); font-size: 13px; }
.play-orb {
  position: absolute; right: 22px; bottom: 22px;
  width: 54px; height: 54px; border-radius: 50%;
  border: 1px solid var(--jj-persimmon);
  background: var(--jj-card);
  color: var(--jj-persimmon);
  display: grid; place-items: center;
  transition: background .2s ease-out, color .2s ease-out, transform .2s ease-out;
}
.play-orb:hover { background: var(--jj-persimmon); color: #fff; transform: translateY(-2px); }

.metric-bar {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--jj-line); border-bottom: 1px solid var(--jj-line);
}
.metric-bar li { padding: 1.15rem 1rem; border-left: 1px solid var(--jj-line); }
.metric-bar li:first-child { border-left: 0; padding-left: 0; }
.metric-bar strong {
  display: block;
  font-family: "Noto Sans SC", sans-serif;
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 500;
  line-height: 1.1;
  color: var(--jj-persimmon);
}
.metric-bar span { font-size: 14px; color: var(--jj-ink-soft); }

.feature-block, .scene-panel, .case-main, .case-sub, .price-card, .review-card, .news-feature, .news-item, .form-card {
  background: var(--jj-card);
  border: 1px solid var(--jj-line);
  border-radius: var(--jj-radius);
  padding: 1.6rem 1.7rem;
  transition: border-color .2s ease-out, transform .2s ease-out;
}
.feature-block:hover, .scene-panel:hover, .review-card:hover, .news-item:hover, .news-feature:hover, .case-sub:hover {
  border-color: var(--jj-persimmon);
  transform: translateY(-2px);
}
.feature-list, .check-list, .point-list { list-style: none; margin: 1rem 0 0; padding: 0; }
.feature-list li, .point-list li {
  display: grid; grid-template-columns: 36px 1fr; gap: .75rem;
  padding: .85rem 0; border-top: 1px solid var(--jj-line);
}
.icon-badge {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--jj-line);
  display: grid; place-items: center; color: var(--jj-persimmon);
}
.feature-list h3, .point-list h3 { font-family: "Noto Sans SC", sans-serif; font-weight: 500; font-size: 1rem; }
.feature-list p, .point-list p, .scene-panel p, .news-item p, .news-feature p { color: var(--jj-ink-soft); font-size: 15px; margin: 0; }

.compare-wrap { overflow-x: auto; }
.compare-table { width: 100%; border-collapse: collapse; min-width: 640px; background: var(--jj-card); }
.compare-table th, .compare-table td {
  border: 1px solid var(--jj-line);
  padding: .9rem 1rem;
  text-align: left;
  vertical-align: top;
  font-size: 15px;
}
.compare-table th { font-weight: 500; background: #fbf7f1; }
.compare-table td:first-child, .compare-table th:first-child { color: var(--jj-ink); font-weight: 500; width: 18%; }
.def-list { display: none; }

.scene-panel.wide { min-height: 100%; }
.scene-name { font-size: 14px; color: var(--jj-dusk); margin-bottom: .35rem; }
.text-link {
  display: inline-flex; align-items: center; gap: .3rem;
  color: var(--jj-ink); font-weight: 500; margin-top: .9rem;
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat; background-position: 0 100%; background-size: 0 1px;
  transition: background-size .2s ease-out, color .2s ease-out;
}
.text-link:hover { color: var(--jj-persimmon); background-size: 100% 1px; }

.step-track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; margin-top: .5rem; }
.step-track::before {
  content: ""; position: absolute; left: 6%; right: 6%; top: 18px; height: 1px; background: var(--jj-line);
}
.step { position: relative; padding-top: 2.6rem; }
.step-no {
  position: absolute; top: 0; left: 0;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--jj-card); border: 1px solid var(--jj-persimmon);
  color: var(--jj-persimmon);
  display: grid; place-items: center;
  font-variant-numeric: tabular-nums; font-size: 14px;
}
.step h3 { font-family: "Noto Sans SC", sans-serif; font-size: 1.05rem; font-weight: 500; }
.step p { color: var(--jj-ink-soft); font-size: 14.5px; margin: 0; }

.demo-stage { position: relative; background: var(--jj-dark); border-radius: 6px; min-height: 420px; padding: 1.4rem; color: #F4EFE6; overflow: hidden; }
.demo-stage .bar { height: 8px; border-radius: 4px; background: rgba(244, 239, 230, .16); margin-bottom: .7rem; }
.demo-stage .bar.short { width: 42%; }
.demo-stage .bar.mid { width: 68%; background: rgba(196, 83, 42, .85); }
.demo-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: .7rem; margin-top: 1.2rem; }
.demo-cell { border: 1px solid rgba(227, 214, 198, .35); border-radius: 4px; min-height: 92px; padding: .7rem; font-size: 13px; color: rgba(244, 239, 230, .8); }
.play-orb.on-dark { background: transparent; color: #F4EFE6; border-color: #F4EFE6; }
.play-orb.on-dark:hover { background: var(--jj-persimmon); border-color: var(--jj-persimmon); color: #fff; }

.case-main { padding: 2rem 2rem 1.7rem; display: grid; grid-template-columns: 220px 1fr; gap: 1.5rem; align-items: center; }
.case-num { font-variant-numeric: tabular-nums; font-size: clamp(2.4rem, 4vw, 3.4rem); color: var(--jj-persimmon); line-height: 1; font-weight: 500; }
.case-num small { display: block; margin-top: .4rem; font-size: 14px; color: var(--jj-ink-soft); font-weight: 400; }
.case-sub { margin-top: 1rem; max-width: 720px; display: grid; grid-template-columns: 120px 1fr; gap: 1rem; align-items: center; }
.case-sub strong { font-variant-numeric: tabular-nums; font-size: 1.8rem; color: var(--jj-leaf); font-weight: 500; }

.price-row { align-items: stretch; }
.price-card { height: 100%; display: flex; flex-direction: column; }
.price-card.is-focus {
  background: var(--jj-dark); color: #F4EFE6; border-color: var(--jj-dark); transform: none;
}
.price-card.is-focus h3, .price-card.is-focus .price { color: #F4EFE6; }
.price-card.is-focus p, .price-card.is-focus li { color: rgba(244, 239, 230, .82); }
.price { font-variant-numeric: tabular-nums; font-size: clamp(2rem, 3vw, 2.8rem); font-weight: 500; line-height: 1; margin: .4rem 0; }
.price em { font-style: normal; font-size: 14px; font-weight: 400; margin-left: .2rem; }
.price-card ul { padding-left: 1.1rem; margin: .4rem 0 1.1rem; color: var(--jj-ink-soft); font-size: 14.5px; }
.price-card .btn-solid, .price-card .btn-line { margin-top: auto; }
.note { font-size: 14px; color: var(--jj-ink-soft); margin-top: .9rem; }

.review-masonry { columns: 3; column-gap: 16px; }
.review-card { break-inside: avoid; margin: 0 0 16px; display: block; }
.review-card p { font-size: 16px; margin-bottom: .7rem; }
.review-card cite { font-style: normal; font-size: 14px; color: var(--jj-dusk); }
.quote-band {
  background: var(--jj-dark); color: #F4EFE6;
  border-radius: 6px; padding: clamp(1.6rem, 3vw, 2.6rem);
}
.quote-band blockquote { margin: 0; font-family: "Noto Serif SC", serif; font-size: clamp(1.35rem, 2.4vw, 1.85rem); line-height: 1.45; font-weight: 600; }
.quote-band figcaption { margin-top: .8rem; color: rgba(244, 239, 230, .72); font-size: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1.2rem; }
.chip {
  border: 1px solid rgba(244, 239, 230, .35);
  border-radius: 99px; padding: .35rem .8rem; font-size: 14px; color: #F4EFE6;
}

.news-feature h3 { font-family: "Noto Serif SC", serif; font-size: 1.55rem; }
.meta { font-size: 13px; color: var(--jj-dusk); margin-bottom: .35rem; font-variant-numeric: tabular-nums; }
.news-side { display: flex; flex-direction: column; gap: .8rem; }
.news-item h3 { font-family: "Noto Sans SC", sans-serif; font-weight: 500; font-size: 1.02rem; }
.more-row { margin: 1.2rem 0 0; }
.more-link {
  display: inline-flex; align-items: center; min-height: 44px;
  color: var(--jj-ink); font-weight: 500;
  border-bottom: 1px solid var(--jj-persimmon);
}
.more-link:hover { color: var(--jj-persimmon); }

.topic-strip {
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  border: 1px solid var(--jj-line); background: var(--jj-card);
  border-radius: 6px; padding: 1.5rem 1.6rem;
}
.topic-strip p { margin: 0; color: var(--jj-ink-soft); max-width: 46em; }

.accordion { --bs-accordion-bg: transparent; --bs-accordion-border-color: var(--jj-line); --bs-accordion-btn-focus-box-shadow: 0 0 0 2px var(--jj-leaf); --bs-accordion-active-bg: transparent; --bs-accordion-active-color: var(--jj-ink); --bs-accordion-btn-color: var(--jj-ink); }
.accordion-item { background: transparent; border: 0; border-bottom: 1px solid var(--jj-line); border-radius: 0; }
.accordion-button {
  background: transparent; color: var(--jj-ink);
  font-family: "Noto Serif SC", serif; font-weight: 600; font-size: 1.05rem;
  padding: 1.05rem .2rem; box-shadow: none;
}
.accordion-button:not(.collapsed) { color: var(--jj-ink); background: transparent; box-shadow: none; }
.accordion-button::after {
  background-image: none !important;
  width: 14px; height: 2px; background-color: var(--jj-persimmon);
  transform: rotate(0deg); transition: transform .2s ease-out;
}
.accordion-button.collapsed::after { transform: rotate(90deg); }
.accordion-body { padding: 0 .2rem 1.05rem; color: var(--jj-ink-soft); max-width: 44em; }

.cta-band { background: var(--jj-dark); color: #F4EFE6; }
.cta-band h2 { color: #F4EFE6; }
.cta-band .prose { color: rgba(244, 239, 230, .78); }
.form-card label { display: block; font-size: 14px; margin-bottom: .3rem; color: var(--jj-ink); }
.form-card .field { margin-bottom: .85rem; }
.form-card input, .form-card textarea {
  width: 100%; height: 48px; border: 1px solid var(--jj-line); border-radius: var(--jj-radius);
  background: #fff; color: var(--jj-ink); padding: .5rem .75rem; font-size: 16px;
}
.form-card textarea { height: auto; min-height: 120px; resize: vertical; }
.form-card input:focus, .form-card textarea:focus {
  outline: none; border-color: var(--jj-leaf); box-shadow: 0 0 0 2px var(--jj-leaf);
}
.field.is-error input, .field.is-error textarea { border-color: var(--jj-persimmon); box-shadow: none; }
.field-msg { min-height: 1.2em; font-size: 14px; margin: .25rem 0 0; color: var(--jj-persimmon); }
.form-success { color: var(--jj-leaf); font-size: 15px; margin: .7rem 0 0; min-height: 1.5em; }
.form-card .btn-solid { width: 100%; }

.site-footer { background: var(--jj-dark); color: rgba(244, 239, 230, .78); padding: 3rem 0 1.4rem; font-size: 14px; }
.foot-grid { display: grid; grid-template-columns: 1.3fr .9fr .9fr 1.1fr; gap: 1.5rem; }
.site-footer h2 { color: #F4EFE6; font-size: 1.15rem; margin-bottom: .6rem; }
.site-footer a { color: #F4EFE6; background-image: linear-gradient(currentColor, currentColor); background-repeat: no-repeat; background-position: 0 100%; background-size: 0 1px; transition: background-size .2s ease-out; }
.site-footer a:hover { color: #fff; background-size: 100% 1px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: .25rem 0; }
.copyright { border-top: 1px solid rgba(227, 214, 198, .2); margin-top: 1.6rem; padding-top: .9rem; color: rgba(244, 239, 230, .55); }

@media (max-width: 991.98px) {
  .hero-grid, .case-main, .case-sub, .demo-grid { grid-template-columns: 1fr; }
  .topic-strip, .foot-grid { grid-template-columns: 1fr; display: grid; }
  .topic-strip { align-items: flex-start; }
  .nav-cta { flex-direction: column; align-items: stretch; width: 100%; margin: .4rem 0 1rem; }
  .nav-cta .btn-solid, .nav-cta .btn-line { width: 100%; }
  .navbar-collapse { background: #f7f3ec; border-top: 1px solid var(--jj-line); padding: .4rem 0 .6rem; }
  .step-track { grid-template-columns: 1fr 1fr; gap: 1.2rem .8rem; }
  .step-track::before { display: none; }
  .review-masonry { columns: 2; }
  .metric-bar { grid-template-columns: 1fr 1fr; }
  .metric-bar li { border-left: 0; border-top: 1px solid var(--jj-line); padding-left: 0; }
  .metric-bar li:nth-child(-n+2) { border-top: 0; }
  .compare-table { display: none; }
  .def-list { display: grid; gap: .8rem; }
  .def-item { border: 1px solid var(--jj-line); background: var(--jj-card); border-radius: var(--jj-radius); padding: 1rem 1.1rem; }
  .def-item h3 { font-size: 1rem; margin-bottom: .45rem; }
  .def-item p { margin: 0 0 .35rem; font-size: 14.5px; color: var(--jj-ink-soft); }
  .price-card.is-focus { transform: none; }
}
@media (max-width: 767.98px) {
  .jj-wrap { width: min(1180px, calc(100% - 28px)); }
  .band { padding: 3.2rem 0; }
  .review-masonry { columns: 1; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn-solid, .hero-actions .btn-line { width: 100%; }
  .stage { min-height: 0; }
  .brand-name { font-size: .92rem; }
}
@media (max-width: 520px) {
  .node-row { grid-template-columns: 42px 1fr; }
  .node-row em { display: none; }
  .step-track { grid-template-columns: 1fr; }
  .metric-bar { grid-template-columns: 1fr; }
  .metric-bar li { border-top: 1px solid var(--jj-line); }
  .metric-bar li:first-child { border-top: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}
@keyframes wave-draw { from { stroke-dashoffset: 320; } to { stroke-dashoffset: 0; } }
.wave-line { stroke-dasharray: 320; animation: wave-draw 1.6s ease-out 1; }

/* roulang page: category1 */
:root {
 --bs-primary: #C4532A;
 --bs-primary-rgb: 196, 83, 42;
 --bs-link-color: #C4532A;
 --bs-link-hover-color: #9a3d1d;
 --bs-body-color: #221C16;
 --bs-body-bg: #F4EFE6;
 --bs-border-color: #E3D6C6;
 --bs-focus-ring-color: rgba(95, 125, 98, .45);
 --jj-persimmon: #C4532A;
 --jj-persimmon-deep: #9a3d1d;
 --jj-leaf: #5F7D62;
 --jj-dusk: #7A6E86;
 --jj-paper: #F4EFE6;
 --jj-paper-2: #EFE7DA;
 --jj-ink: #221C16;
 --jj-ink-soft: #5c5148;
 --jj-card: #FFFCF8;
 --jj-line: #E3D6C6;
 --jj-dark: #2A241E;
 --jj-radius: 4px;
 --jj-header: 72px;
 --jj-shadow: none;
 --jj-space: clamp(3rem, 6vw, 6.5rem);
}
/* roulang page: category1 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--jj-paper);
 color: var(--jj-ink);
 font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
 font-size: 16.5px;
 line-height: 1.75;
 font-weight: 400;
 padding-top: var(--jj-header);
}
img, svg { max-width: 100%; display: block; }
a { color: var(--jj-persimmon); text-decoration: none; }
a:hover { color: var(--jj-persimmon-deep); }
button, input, textarea { font-family: inherit; }
h1, h2, h3, .brand-name {
 font-family: "Noto Serif SC", "Songti SC", serif;
 font-weight: 700;
 letter-spacing: 0;
 color: var(--jj-ink);
 line-height: 1.28;
}
p { margin: 0 0 .8rem; }
h1, h2, h3 { margin: 0; }
ul, ol { margin: 0; padding: 0; }
.container, .container-lg, .container-xl, .container-xxl { max-width: 1180px; }
.jj-wrap { width: min(1180px, calc(100% - 2.5rem)); margin-inline: auto; }
.container.jj-wrap { width: 100%; }
section { scroll-margin-top: calc(var(--jj-header) + 10px); }
.site-header {
 position: fixed; inset: 0 0 auto 0; z-index: 40;
 min-height: var(--jj-header);
 background: rgba(244, 239, 230, .96);
 border-bottom: 1px solid var(--jj-line);
 transition: background .2s ease-out;
}
.site-header.is-scrolled { background: #f7f3ec; }
.site-header .navbar { min-height: var(--jj-header); padding: 0; }
.navbar-brand { margin-right: 0; padding: 0; }
.brand {
 display: flex; align-items: center; gap: .65rem;
 color: var(--jj-ink); min-height: 44px; padding: .25rem 0;
 max-width: calc(100% - 64px);
}
.brand:hover { color: var(--jj-ink); }
.brand-marks { display: flex; align-items: center; gap: .35rem; flex: 0 0 auto; }
.brand-name { font-size: clamp(.92rem, 2.4vw, 1.02rem); font-weight: 700; line-height: 1.2; }
.navbar-nav { gap: .15rem; }
.navbar-nav .nav-link {
 color: var(--jj-ink);
 font-weight: 500;
 font-size: 15px;
 padding: .45rem .7rem;
 min-height: 44px;
 display: flex; align-items: center;
 background-image: linear-gradient(var(--jj-persimmon), var(--jj-persimmon));
 background-repeat: no-repeat;
 background-size: 0 1px;
 background-position: .7rem calc(100% - .55rem);
 transition: background-size .2s ease-out, color .2s ease-out;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus,
.navbar-nav .nav-link.is-active {
 color: var(--jj-persimmon);
 background-size: calc(100% - 1.4rem) 1px;
}
.navbar-nav .nav-link.is-active { font-weight: 700; }
.nav-cta { display: flex; align-items: center; gap: .6rem; }
.btn-solid, .btn-line {
 border-radius: var(--jj-radius);
 min-height: 44px;
 padding: .45rem 1.05rem;
 font-size: 15px;
 font-weight: 500;
 line-height: 1.2;
 border: 1px solid transparent;
 transition: background .2s ease-out, color .2s ease-out, border-color .2s ease-out, transform .2s ease-out;
 display: inline-flex; align-items: center; justify-content: center;
 box-shadow: none;
 cursor: pointer;
 text-decoration: none;
}
.btn-solid { background: var(--jj-persimmon); color: #fff; border-color: var(--jj-persimmon); }
.btn-solid:hover, .btn-solid:focus { background: var(--jj-persimmon-deep); color: #fff; border-color: var(--jj-persimmon-deep); }
.btn-solid:active, .btn-line:active { transform: translateY(1px); }
.btn-line { background: transparent; color: var(--jj-ink); border-color: var(--jj-ink); }
.btn-line:hover, .btn-line:focus { color: var(--jj-persimmon); border-color: var(--jj-persimmon); background: transparent; }
.btn-solid:disabled, .btn-line:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.navbar-toggler {
 border: 1px solid var(--jj-line);
 border-radius: var(--jj-radius);
 width: 44px; height: 44px;
 padding: 0;
 box-shadow: none;
}
.navbar-toggler:focus { box-shadow: 0 0 0 2px var(--jj-leaf); }
.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='%23221C16' stroke-width='2' d='M4 8h22M4 15h22M4 22h22'/%3E%3C/svg%3E");
}
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
 outline: 2px solid var(--jj-leaf);
 outline-offset: 2px;
}
.band { padding: var(--jj-space) 0; background: var(--jj-paper); }
.band-alt { background: var(--jj-paper-2); }
.cat-head {
 position: relative;
 padding: 2.6rem 0 2.2rem;
 background: var(--jj-paper);
 border-bottom: 1px solid var(--jj-line);
 overflow: hidden;
}
.eyebrow {
 font-size: 14px;
 color: var(--jj-leaf);
 margin-bottom: .55rem;
 font-weight: 500;
}
.cat-head h1 {
 font-size: clamp(1.85rem, 3.4vw, 2.7rem);
 max-width: 14em;
 margin-bottom: .55rem;
}
.lead {
 max-width: 36em;
 color: var(--jj-ink);
 font-size: 16.5px;
 margin-bottom: 1rem;
}
.head-wave { width: min(720px, 100%); height: 28px; margin-top: .35rem; }
.wave-line { stroke-dasharray: 900; stroke-dashoffset: 0; }
.head-wave .wave-line {
 stroke-dashoffset: 900;
 animation: draw-wave 1.5s ease-out forwards;
}
@keyframes draw-wave { to { stroke-dashoffset: 0; } }
.chip-row { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.chip {
 border: 1px solid var(--jj-line);
 background: transparent;
 color: var(--jj-ink);
 border-radius: var(--jj-radius);
 min-height: 44px;
 padding: .35rem .95rem;
 font-size: 15px;
 font-weight: 400;
 transition: border-color .2s ease-out, color .2s ease-out;
}
.chip:hover { border-color: var(--jj-persimmon); color: var(--jj-persimmon); }
.chip.is-on {
 border-color: var(--jj-persimmon);
 font-weight: 700;
 color: var(--jj-ink);
 background: var(--jj-card);
}
.result-count {
 margin: .95rem 0 0;
 font-size: 14px;
 color: var(--jj-ink-soft);
 font-variant-numeric: tabular-nums;
}
.list-layout {
 display: grid;
 grid-template-columns: minmax(0, 8fr) minmax(200px, 4fr);
 gap: 2.4rem;
 align-items: start;
}
.band h2 { font-size: clamp(1.5rem, 2.4vw, 2.15rem); margin-bottom: 1.1rem; }
.section-note { color: var(--jj-ink-soft); font-size: 14px; margin: -.35rem 0 1rem; max-width: 40em; }
.entry-list { list-style: none; }
.entry-list a {
 display: grid;
 grid-template-columns: 58px minmax(0, 1fr);
 column-gap: .9rem;
 row-gap: .1rem;
 padding: 1.15rem .15rem;
 border-bottom: 1px solid var(--jj-line);
 color: var(--jj-ink);
 border-radius: var(--jj-radius);
 transition: border-color .2s ease-out, transform .2s ease-out, color .2s ease-out;
}
.entry-list a:hover { border-bottom-color: var(--jj-persimmon); transform: translateY(-2px); color: var(--jj-ink); }
.idx {
 grid-row: 1 / span 3;
 font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
 font-variant-numeric: tabular-nums;
 color: var(--jj-dusk);
 font-size: 1.05rem;
 padding-top: .25rem;
}
.meta { font-size: 13px; color: var(--jj-ink-soft); }
.entry-title {
 font-family: "Noto Serif SC", "Songti SC", serif;
 font-weight: 700;
 font-size: 1.22rem;
 line-height: 1.4;
 background-image: linear-gradient(currentColor, currentColor);
 background-repeat: no-repeat;
 background-size: 0 1px;
 background-position: 0 100%;
 transition: background-size .22s ease-out, color .2s ease-out;
}
.entry-list a:hover .entry-title { color: var(--jj-persimmon); background-size: 100% 1px; }
.excerpt {
 color: var(--jj-ink-soft);
 display: -webkit-box;
 -webkit-line-clamp: 2;
 -webkit-box-orient: vertical;
 overflow: hidden;
 max-width: 40em;
}
.side-box {
 position: sticky;
 top: calc(var(--jj-header) + 16px);
 background: var(--jj-card);
 border: 1px solid var(--jj-line);
 border-radius: var(--jj-radius);
 padding: 1.25rem 1.3rem 1rem;
}
.side-label { font-size: 13px; color: var(--jj-dusk); margin-bottom: .35rem; font-weight: 500; }
.side-box a {
 display: block;
 padding: .62rem 0;
 border-bottom: 1px solid var(--jj-line);
 color: var(--jj-ink);
 font-size: 15px;
 background-image: linear-gradient(var(--jj-persimmon), var(--jj-persimmon));
 background-repeat: no-repeat;
 background-size: 0 1px;
 background-position: 0 100%;
 transition: background-size .2s ease-out, color .2s ease-out;
}
.side-box a:hover { color: var(--jj-persimmon); background-size: 100% 1px; }
.empty-note { color: var(--jj-dusk); padding: 1rem 0; }
.more-band { padding-top: 0; }
.more-band h2 { margin-bottom: .9rem; }
#xupian { margin-top: 1.1rem; }
.scene-grid {
 display: grid;
 grid-template-columns: 1.45fr .8fr;
 gap: 1.15rem;
}
.scene-panel, .form-card, .related-list, .check-board {
 background: var(--jj-card);
 border: 1px solid var(--jj-line);
 border-radius: var(--jj-radius);
 padding: 1.6rem 1.7rem;
 transition: border-color .2s ease-out, transform .2s ease-out;
}
.scene-panel:hover { border-color: var(--jj-persimmon); transform: translateY(-2px); }
.scene-panel h3 { font-size: 1.28rem; margin-bottom: .55rem; }
.scene-panel p { max-width: 38em; color: var(--jj-ink); }
.scene-panel .text-link {
 display: inline-block;
 margin-top: .35rem;
 color: var(--jj-ink);
 font-weight: 500;
 background-image: linear-gradient(var(--jj-persimmon), var(--jj-persimmon));
 background-repeat: no-repeat;
 background-size: 0 1px;
 background-position: 0 100%;
 transition: background-size .2s ease-out, color .2s ease-out;
}
.scene-panel .text-link:hover { color: var(--jj-persimmon); background-size: 100% 1px; }
.check-list { list-style: none; }
.check-list li {
 display: grid;
 grid-template-columns: 28px minmax(0, 1fr);
 gap: .75rem;
 align-items: start;
 padding: .9rem 0;
 border-bottom: 1px solid var(--jj-line);
}
.check-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.check-list svg { margin-top: .35rem; }
.related-list a {
 display: grid;
 gap: .15rem;
 padding: .95rem 0;
 border-bottom: 1px solid var(--jj-line);
 color: var(--jj-ink);
}
.related-list a:last-child { border-bottom: 0; padding-bottom: 0; }
.related-list a:hover strong { color: var(--jj-persimmon); }
.related-list strong {
 font-family: "Noto Serif SC", serif;
 font-weight: 700;
 font-size: 1.12rem;
 transition: color .2s ease-out;
}
.cat-cta {
 background: var(--jj-dark);
 color: #F4EFE6;
}
.cat-cta h2 { color: #F4EFE6; }
.cta-grid {
 display: grid;
 grid-template-columns: .9fr 1.1fr;
 gap: 2rem;
 align-items: start;
}
.cta-copy { color: rgba(244, 239, 230, .86); max-width: 28em; font-size: 16.5px; }
.cta-copy p { color: inherit; }
.form-card { color: var(--jj-ink); }
.field { margin-bottom: .85rem; }
.field label { display: block; font-size: 14px; margin-bottom: .3rem; font-weight: 500; }
.field input, .field textarea {
 width: 100%;
 min-height: 48px;
 border: 1px solid var(--jj-line);
 border-radius: var(--jj-radius);
 background: #fff;
 color: var(--jj-ink);
 padding: .55rem .75rem;
 font-size: 16px;
 box-shadow: none;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field textarea:focus {
 border-color: var(--jj-leaf);
 box-shadow: 0 0 0 2px rgba(95, 125, 98, .35);
 outline: none;
}
.field input.is-invalid, .field textarea.is-invalid { border-color: var(--jj-persimmon); }
.form-msg { min-height: 1.5em; font-size: 14px; margin: .7rem 0 0; }
.form-msg.is-ok { color: var(--jj-leaf); }
.form-msg.is-err { color: var(--jj-persimmon); }
.site-footer {
 background: var(--jj-dark);
 color: #F4EFE6;
 padding: 3.4rem 0 1.4rem;
}
.foot-grid {
 display: grid;
 grid-template-columns: 1.4fr .8fr 1fr 1.25fr;
 gap: 2rem;
}
.site-footer h2 { color: #F4EFE6; font-size: 1.05rem; margin-bottom: .7rem; }
.site-footer p, .site-footer li { color: rgba(244, 239, 230, .82); font-size: 14px; }
.site-footer ul { list-style: none; }
.site-footer li { margin: .25rem 0; }
.site-footer a { color: #F4EFE6; background-image: linear-gradient(currentColor, currentColor); background-repeat: no-repeat; background-size: 0 1px; background-position: 0 100%; transition: background-size .2s ease-out, color .2s ease-out; }
.site-footer a:hover { color: #f0c2b0; background-size: 100% 1px; }
.copyright {
 border-top: 1px solid rgba(227, 214, 198, .25);
 margin: 2rem 0 0;
 padding-top: 1rem;
 font-size: 13px;
}
@media (max-width: 991.98px) {
 .navbar-collapse { flex-basis: 100%; padding-bottom: .85rem; }
 .navbar-nav { width: 100%; }
 .nav-cta { flex-direction: column; align-items: stretch; width: 100%; margin: .35rem 0 .8rem; }
 .nav-cta .btn-solid, .nav-cta .btn-line { width: 100%; }
 .list-layout, .scene-grid, .cta-grid, .foot-grid { grid-template-columns: 1fr; }
 .side-box { position: static; }
 .cat-head { padding-top: 2.2rem; }
}
@media (max-width: 767.98px) {
 .band { padding: 3.2rem 0; }
 .jj-wrap { width: min(1180px, calc(100% - 1.6rem)); }
 .scene-panel, .form-card, .related-list, .check-board { padding: 1.2rem 1.1rem; }
 .entry-list a { grid-template-columns: 42px minmax(0, 1fr); }
 .entry-title { font-size: 1.08rem; }
}
@media (max-width: 519.98px) {
 .brand { gap: .4rem; }
 .brand-marks svg:last-child { display: none; }
 .cat-head h1 { font-size: 1.7rem; }
 .chip { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 *, *::before, *::after {
 animation: none !important;
 transition: none !important;
 }
 .head-wave .wave-line { stroke-dashoffset: 0; }
}

/* 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}