/* roulang page: index */
:root {
  --ink: #2a211c;
  --ink-soft: #4a3b34;
  --muted: #74655c;
  --bg: #fff8f4;
  --bg-white: #ffffff;
  --bg-cream: #fff1e8;
  --bg-peach: #ffe8dc;
  --line: #f0ddd2;
  --brand: #e11d48;
  --brand-deep: #9f1239;
  --amber: #ea580c;
  --gold: #c2410c;
  --card: #ffffff;
  --radius: 28px;
  --radius-sm: 16px;
  --shadow: 0 18px 44px rgba(120, 53, 15, .08);
  --shadow-hover: 0 22px 50px rgba(120, 53, 15, .14);
  --space: clamp(3.2rem, 6vw, 5.4rem);
  --header-h: 76px;
  --grad: linear-gradient(120deg, #fff7ed 0%, #ffe4e6 48%, #ffedd5 100%);
  --grad-brand: linear-gradient(135deg, #fb7185 0%, #e11d48 42%, #ea580c 100%);
  --focus: #fb923c;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font-family: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.35; font-weight: 760; letter-spacing: -.02em; }
p { color: var(--ink-soft); }
.container { width: min(1140px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  background: rgba(255, 248, 244, .92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(240, 221, 210, .9);
}
.header-bar {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  background: var(--grad-brand);
  box-shadow: 0 8px 18px rgba(225, 29, 72, .28);
}
.brand-name {
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--ink);
  white-space: nowrap;
}
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 700;
}
.nav-toggle:hover { border-color: #f1b8a2; }
.site-nav { display: flex; align-items: center; gap: 8px; }
.site-nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-weight: 700;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.site-nav-link:hover { background: #fff; color: var(--brand-deep); }
.site-nav-link.is-active {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 8px 18px rgba(225, 29, 72, .22);
}
.site-nav-link:focus-visible, .nav-toggle:focus-visible, .button:focus-visible, .more-link:focus-visible, a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}
.hero-slim {
  background: var(--grad);
  border-bottom: 1px solid var(--line);
  padding: 28px 0 26px;
}
.hero-slim-inner { max-width: 980px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--brand-deep);
  font-weight: 800;
  font-size: .92rem;
}
.eyebrow i { font-size: .95rem; }
.hero-slim h1 { font-size: clamp(1.85rem, 3.4vw, 2.7rem); margin-bottom: 12px; max-width: 18em; }
.hero-lead { font-size: 1.05rem; max-width: 860px; margin-bottom: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.button-brand { color: #fff; background: var(--grad-brand); box-shadow: 0 12px 24px rgba(225, 29, 72, .24); }
.button-brand:hover { color: #fff; box-shadow: var(--shadow-hover); }
.button-ghost { background: rgba(255,255,255,.86); border-color: #f3d0c2; color: var(--ink); }
.button-ghost:hover { background: #fff; }
.hero-pills { display: flex; flex-wrap: wrap; gap: 8px; padding-top: 6px; }
.pill, .data-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(255,255,255,.9);
  color: var(--brand-deep);
  font-size: .86rem;
  font-weight: 800;
}
.data-badge b { font-size: 1rem; }
.section { padding: var(--space) 0; }
.band-white { background: var(--bg-white); }
.band-cream { background: linear-gradient(180deg, #fff8f4 0%, #fff1e8 100%); }
.band-peach { background: #fff4ee; }
.band-ink { background: #2a211c; color: #fff8f4; }
.band-ink p, .band-ink li { color: rgba(255,248,244,.82); }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head h2 { font-size: clamp(1.5rem, 2.4vw, 2.05rem); margin-bottom: 10px; }
.section-head p { margin-bottom: 0; }
.pain-grid, .people-grid, .metric-grid { display: grid; gap: 16px; }
.pain-grid { grid-template-columns: repeat(4, 1fr); }
.pain-card, .soft-card, .quote-card, .person-card, .case-card, .material-card, .step-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.pain-card { padding: 22px; min-height: 100%; }
.pain-card:hover, .material-card:hover, .case-card:hover, .news-link:hover, .topic-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.pain-card, .material-card, .case-card, .news-link, .topic-card { transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.pain-index { font-size: .82rem; font-weight: 800; color: var(--amber); letter-spacing: .08em; }
.pain-card h3, .material-card h3, .case-card h3, .step-card h3, .node-card h3 { font-size: 1.08rem; margin: 8px 0; }
.pain-card p, .material-card p, .case-card p, .step-card p, .node-card p, .person-card p, .quote-card p { margin-bottom: 0; font-size: .98rem; }
.bento { display: grid; grid-template-columns: 1.35fr .85fr; gap: 16px; }
.feature-card, .stack-card {
  border-radius: 32px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.feature-card {
  background: var(--grad-brand);
  color: #fff;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.feature-card p { color: rgba(255,255,255,.92); font-size: 1.05rem; }
.feature-card .data-badge { background: rgba(255,255,255,.16); color: #fff; border-color: transparent; }
.stack { display: grid; gap: 16px; }
.stack-card h3 { margin: 10px 0; }
.solution-layout, .news-layout, .topic-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; align-items: stretch; }
.check-list, .plain-list { list-style: none; padding: 0; margin: 0; }
.check-list li, .plain-list li {
  display: flex;
  gap: 10px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.check-list i { color: var(--brand); margin-top: 4px; }
.material-rail { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.material-card { padding: 22px; background: #fff; }
.material-card .bi { font-size: 1.3rem; color: var(--brand); }
.step-line { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; position: relative; }
.step-card { padding: 22px 18px 20px; position: relative; }
.step-no {
  width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center; color: #fff; font-weight: 800;
  background: var(--grad-brand); margin-bottom: 12px;
}
.node-line { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.node-card { padding: 8px 8px 8px 0; }
.node-card span { display: inline-block; margin-bottom: 8px; }
.result-row { display: flex; flex-wrap: wrap; gap: 12px; }
.result-badge {
  flex: 1 1 200px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 24px;
  padding: 20px;
}
.result-badge strong { display: block; font-size: 1.45rem; color: #fff; margin-bottom: 6px; }
.case-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 16px; }
.case-stack { display: grid; gap: 16px; }
.case-card { padding: 24px; }
.case-card.featured { background: linear-gradient(180deg, #fff 0%, #fff7f3 100%); }
.quote-wall { display: grid; grid-template-columns: 1.1fr .9fr; gap: 16px; }
.quote-card { padding: 24px; }
.quote-card:first-child { background: #2a211c; color: #fff; }
.quote-card:first-child p { color: rgba(255,255,255,.9); }
.quote-mark { font-size: 1.6rem; color: var(--amber); font-weight: 800; }
.people-grid { grid-template-columns: 1.2fr .8fr; }
.person-list { display: grid; gap: 12px; }
.person-card { padding: 18px 20px; display: grid; grid-template-columns: 92px 1fr; gap: 12px; align-items: start; }
.person-card b { color: var(--brand-deep); }
.week-line { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.week-item { background: #fff; border-radius: 22px; border: 1px solid var(--line); padding: 18px; box-shadow: var(--shadow); }
.week-item em { display: block; font-style: normal; font-weight: 800; color: var(--amber); margin-bottom: 6px; }
.topic-card {
  display: block;
  padding: 28px;
  border-radius: 32px;
  background: var(--grad);
  border: 1px solid #ffd7c7;
  height: 100%;
}
.topic-card h3 { font-size: 1.5rem; margin: 10px 0; }
.topic-side { padding: 8px 8px 8px 12px; }
.news-col, .news-side { display: grid; gap: 14px; align-content: start; }
.news-item { margin: 0; }
.news-link, .side-link {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 18px 18px 16px;
}
.news-link h3, .side-link h3 { font-size: 1.08rem; margin: 8px 0; }
.news-link p { margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta, .side-link span { display: flex; gap: 10px; align-items: center; color: var(--muted); font-size: .86rem; font-weight: 700; }
.news-side {
  background: #fff8f4;
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 18px;
}
.side-title { font-size: 1rem; margin-bottom: 4px; }
.more-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-weight: 800;
}
.more-link:hover { background: var(--brand-deep); color: #fff; }
.empty-note {
  margin: 0;
  padding: 28px;
  border-radius: 24px;
  background: #fff;
  border: 1px dashed #e7cbbd;
  color: var(--muted);
}
.metric-grid { grid-template-columns: repeat(4, 1fr); }
.metric-card { padding: 20px; border-radius: 24px; background: #fff; border: 1px solid var(--line); }
.metric-card strong { display: block; color: var(--brand-deep); margin-bottom: 6px; }
.close-band {
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 18px;
  align-items: center;
  padding: 28px;
  border-radius: 32px;
  background: var(--grad-brand);
  color: #fff;
  box-shadow: var(--shadow);
}
.close-band p { color: rgba(255,255,255,.92); margin-bottom: 0; }
.close-band h2 { color: #fff; margin-bottom: 8px; }
.site-footer { background: #241c18; color: #f8ece6; padding: 42px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 24px; }
.site-footer a { color: #f8ece6; }
.site-footer a:hover { color: #fdba74; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.1rem; margin-bottom: 10px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 16px; align-content: start; justify-content: flex-end; }
.copyright { margin-top: 26px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.08); color: rgba(248,236,230,.72); font-size: .92rem; }
@media (max-width: 1024px) {
  .pain-grid, .material-rail, .step-line, .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .week-line { grid-template-columns: repeat(3, 1fr); }
  .bento, .solution-layout, .case-layout, .quote-wall, .people-grid, .news-layout, .topic-layout, .footer-grid, .close-band { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}
@media (max-width: 768px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    position: absolute;
    left: 16px;
    right: 16px;
    top: calc(var(--header-h) - 6px);
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow);
  }
  .site-nav.is-open { display: flex; }
  .site-nav-link { width: 100%; }
  .node-line, .week-line { grid-template-columns: 1fr; }
  .person-card { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .container { width: min(100% - 24px, 1140px); }
  .pain-grid, .material-rail, .step-line, .metric-grid { grid-template-columns: 1fr; }
  .brand-name { font-size: 1rem; }
  .hero-slim { padding-top: 20px; }
  .close-band, .feature-card, .topic-card { padding: 22px; }
  .button { width: 100%; }
}

/* roulang page: article */
:root {
 --ink: #2a211c;
 --ink-soft: #4a3b34;
 --muted: #74655c;
 --bg: #fff8f4;
 --bg-white: #ffffff;
 --bg-cream: #fff1e8;
 --bg-peach: #ffe8dc;
 --line: #f0ddd2;
 --brand: #e11d48;
 --brand-deep: #9f1239;
 --amber: #ea580c;
 --gold: #c2410c;
 --card: #ffffff;
 --radius: 28px;
 --radius-sm: 16px;
 --shadow: 0 18px 44px rgba(120, 53, 15, .08);
 --shadow-hover: 0 22px 50px rgba(120, 53, 15, .14);
 --space: clamp(3.2rem, 6vw, 5.4rem);
 --header-h: 76px;
 --grad: linear-gradient(120deg, #fff7ed 0%, #ffe4e6 48%, #ffedd5 100%);
 --grad-brand: linear-gradient(135deg, #fb7185 0%, #e11d48 42%, #ea580c 100%);
 --focus: #fb923c;
}
/* roulang page: article */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 color: var(--ink);
 background: var(--bg);
 font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
 font-size: 16px;
 line-height: 1.75;
 text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font-family: inherit; }
h1, h2, h3, p { margin-top: 0; }
.container { width: min(1140px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 height: var(--header-h);
 background: rgba(255, 248, 244, .92);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid rgba(240, 221, 210, .9);
}
.header-bar {
 height: var(--header-h);
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 20px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; min-width: 0; }
.brand-mark {
 width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center;
 color: #fff; font-weight: 800; background: var(--grad-brand);
 box-shadow: 0 8px 18px rgba(225, 29, 72, .28);
}
.brand-name { font-size: 1.12rem; font-weight: 800; color: var(--ink); white-space: nowrap; }
.nav-toggle {
 display: none; border: 1px solid var(--line); background: #fff; color: var(--ink);
 border-radius: 999px; padding: 8px 14px; font-weight: 700;
}
.nav-toggle:hover { border-color: #f1b8a2; }
.site-nav { display: flex; align-items: center; gap: 8px; }
.site-nav-link {
 display: inline-flex; align-items: center; min-height: 42px; padding: 0 16px;
 border-radius: 999px; color: var(--ink-soft); font-weight: 700;
 transition: background .2s ease, color .2s ease, transform .2s ease;
}
.site-nav-link:hover { background: #fff; color: var(--brand-deep); }
.site-nav-link.is-active { background: var(--grad-brand); color: #fff; box-shadow: 0 8px 18px rgba(225, 29, 72, .22); }
.site-nav-link:focus-visible, .nav-toggle:focus-visible, .button:focus-visible, .more-link:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
 outline: 3px solid var(--focus); outline-offset: 3px;
}
.hero-slim { background: var(--grad); border-bottom: 1px solid var(--line); padding: 28px 0 26px; }
.hero-slim-inner { max-width: 980px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 12px; color: var(--brand-deep); font-weight: 800; font-size: .92rem; }
.eyebrow i { font-size: .95rem; }
.hero-slim h1, .article-hero h1 { font-size: clamp(1.85rem, 3.4vw, 2.7rem); line-height: 1.25; margin-bottom: 12px; }
.hero-lead { font-size: 1.05rem; color: var(--ink-soft); max-width: 860px; margin-bottom: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
.button {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px;
 min-height: 48px; padding: 0 20px; border-radius: 999px; border: 1px solid transparent;
 font-weight: 800; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.button-brand { color: #fff; background: var(--grad-brand); box-shadow: 0 12px 24px rgba(225, 29, 72, .24); }
.button-brand:hover { color: #fff; box-shadow: var(--shadow-hover); }
.button-ghost { background: rgba(255,255,255,.86); border-color: #f3d0c2; color: var(--ink); }
.button-ghost:hover { background: #fff; color: var(--ink); }
.hero-pills, .pill-row { display: flex; flex-wrap: wrap; gap: 8px; }
.pill, .data-badge {
 display: inline-flex; align-items: center; gap: 6px; min-height: 32px; padding: 4px 12px;
 border-radius: 999px; background: rgba(255,255,255,.78); border: 1px solid rgba(255,255,255,.9);
 color: var(--brand-deep); font-size: .86rem; font-weight: 800;
}
.data-badge b { font-size: 1rem; }
.section { padding: var(--space) 0; }
.section-cream { background: var(--bg-cream); }
.section-peach { background: linear-gradient(180deg, #fff8f4 0%, #ffe8dc 100%); }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head h2, .split-copy h2, .apply-copy h2 { font-size: clamp(1.5rem, 2.4vw, 2.05rem); line-height: 1.3; margin-bottom: 10px; }
.section-head p { margin-bottom: 0; color: var(--ink-soft); }
.pain-grid, .people-grid, .metric-grid { display: grid; gap: 16px; }
.pain-grid { grid-template-columns: repeat(4, 1fr); }
.metric-grid { grid-template-columns: repeat(4, 1fr); }
.pain-card, .soft-card, .quote-card, .person-card, .case-card, .material-card, .step-card, .article-sheet, .qualify-card, .memo-frame, .fit-panel, .apply-panel {
 background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.pain-card, .material-card, .case-card, .news-link, .topic-card, .memo-frame, .metric-card { transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.pain-card:hover, .material-card:hover, .case-card:hover, .news-link:hover, .topic-card:hover, .memo-frame:hover, .metric-card:hover {
 transform: translateY(-3px); box-shadow: var(--shadow-hover);
}
.pain-card { padding: 22px; min-height: 100%; }
.pain-card h3, .material-card h3, .case-card h3, .step-card h3, .node-card h3 { font-size: 1.08rem; margin: 8px 0; }
.pain-card p, .material-card p, .case-card p, .step-card p, .node-card p, .person-card p, .quote-card p { margin-bottom: 0; font-size: .98rem; color: var(--ink-soft); }
.feature-card, .stack-card { border-radius: 32px; padding: 28px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.feature-card { background: var(--grad-brand); color: #fff; min-height: 320px; display: flex; flex-direction: column; justify-content: space-between; }
.feature-card p { color: rgba(255,255,255,.92); font-size: 1.05rem; }
.feature-card .data-badge { background: rgba(255,255,255,.16); color: #fff; border-color: transparent; }
.stack-card h3 { margin: 10px 0; }
.check-list, .plain-list { list-style: none; padding: 0; margin: 0; }
.check-list li, .plain-list li { display: flex; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--ink-soft); }
.check-list li:last-child, .plain-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.check-list i { color: var(--brand); margin-top: 4px; }
.article-hero { background: var(--grad); border-bottom: 1px solid var(--line); padding: 36px 0 32px; }
.article-hero-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(280px, .8fr); gap: 22px; align-items: stretch; }
.crumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; color: var(--muted); font-size: .9rem; margin-bottom: 14px; }
.crumb a { color: var(--brand-deep); font-weight: 800; }
.crumb span { max-width: 100%; }
.article-hero h1 { max-width: 14em; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.qualify-card { padding: 22px; background: rgba(255,255,255,.9); }
.qualify-card h2 { font-size: 1.18rem; margin-bottom: 8px; }
.qualify-card > p { color: var(--ink-soft); margin-bottom: 14px; }
.qualify-card .button { width: 100%; margin-top: 16px; }
.section-kicker { color: var(--amber); font-weight: 800; font-size: .86rem; letter-spacing: .04em; margin-bottom: 8px; }
.article-sheet { padding: clamp(20px, 3vw, 36px); }
.article-content { color: var(--ink-soft); font-size: 1.05rem; }
.article-content > *:first-child { margin-top: 0; }
.article-content h2, .article-content h3 { color: var(--ink); margin: 1.4em 0 .5em; line-height: 1.35; }
.article-content h2 { font-size: 1.45rem; }
.article-content h3 { font-size: 1.18rem; }
.article-content p { margin: 0 0 1em; }
.article-content ul, .article-content ol { margin: 0 0 1em; padding-left: 1.2em; }
.article-content li { margin: .35em 0; }
.article-content a { color: var(--brand-deep); font-weight: 800; text-decoration: underline; text-underline-offset: 3px; }
.article-content img { border-radius: 18px; margin: 12px 0 18px; border: 1px solid var(--line); }
.article-content blockquote { margin: 0 0 1em; padding: 14px 16px; border-left: 4px solid var(--brand); background: var(--bg-cream); border-radius: 0 16px 16px 0; color: var(--ink); }
.article-content table { width: 100%; border-collapse: collapse; margin: 0 0 1em; }
.article-content th, .article-content td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.empty-state { text-align: left; padding: 12px 0 4px; }
.empty-state h2 { font-size: 1.6rem; margin-bottom: 12px; }
.empty-state .button { margin-top: 8px; }
.spec-layout { display: grid; grid-template-columns: minmax(240px, .7fr) minmax(0, 1.3fr); gap: 22px; align-items: start; }
.spec-table-wrap { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: auto; }
.spec-table { width: 100%; min-width: 640px; border-collapse: collapse; }
.spec-table th, .spec-table td { padding: 16px 18px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.spec-table th { background: #fff7f3; color: var(--brand-deep); font-size: .92rem; }
.spec-table tr:last-child td { border-bottom: 0; }
.spec-table td:first-child { font-weight: 800; color: var(--ink); white-space: nowrap; }
.scene-layout { display: grid; grid-template-columns: minmax(220px, .62fr) minmax(0, 1.38fr); gap: 22px; align-items: center; }
.memo-carousel { position: relative; }
.memo-frame { padding: 22px; min-height: 320px; background: linear-gradient(180deg, #fff 0%, #fff7f3 100%); }
.memo-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 16px; }
.memo-dots { display: flex; gap: 6px; }
.memo-dots i { width: 8px; height: 8px; border-radius: 50%; background: #fecdd3; display: block; }
.memo-line { height: 12px; border-radius: 999px; background: #ffe4e6; margin-bottom: 10px; }
.memo-line.short { width: 62%; background: #ffedd5; }
.memo-line.mid { width: 84%; }
.memo-note { margin-top: 18px; padding: 14px; border-radius: 16px; background: #fff; border: 1px dashed #f3c7b6; color: var(--ink-soft); }
.memo-frame h3 { margin: 8px 0; font-size: 1.35rem; }
.carousel-control-prev, .carousel-control-next { width: 46px; height: 46px; top: 50%; transform: translateY(-50%); border-radius: 50%; background: #fff; border: 1px solid var(--line); opacity: 1; box-shadow: var(--shadow); }
.carousel-control-prev { left: -12px; }
.carousel-control-next { right: -12px; }
.carousel-control-prev-icon, .carousel-control-next-icon { filter: invert(18%) sepia(62%) saturate(3200%) hue-rotate(326deg); width: 1.1rem; height: 1.1rem; }
.metric-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.metric-card strong { display: block; font-size: clamp(1.8rem, 3vw, 2.4rem); line-height: 1; background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 8px; }
.metric-card span { display: block; font-weight: 800; margin-bottom: 6px; }
.metric-card p { margin: 0; color: var(--ink-soft); }
.fit-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(260px, .85fr); gap: 18px; }
.fit-panel, .bound-panel { padding: 26px; }
.bound-panel { background: var(--grad-brand); color: #fff; border: 0; border-radius: var(--radius); box-shadow: var(--shadow); }
.bound-panel h2, .bound-panel p, .bound-panel li { color: #fff; }
.bound-panel .plain-list li { border-bottom-color: rgba(255,255,255,.22); }
.step-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step-card { padding: 22px; position: relative; overflow: hidden; }
.step-card em { display: inline-flex; min-width: 42px; height: 42px; border-radius: 14px; align-items: center; justify-content: center; background: var(--bg-peach); color: var(--brand-deep); font-style: normal; font-weight: 800; }
.news-list { display: grid; gap: 12px; }
.news-link { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 14px; align-items: center; padding: 16px 18px; background: #fff; border: 1px solid var(--line); border-radius: 20px; }
.news-date { color: var(--brand-deep); font-weight: 800; font-size: .9rem; }
.news-link strong { display: block; font-size: 1.05rem; }
.apply-band { background: #2a211c; color: #fff; }
.apply-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 22px; align-items: start; }
.apply-copy p { color: rgba(255,255,255,.82); }
.apply-copy .data-badge { background: rgba(255,255,255,.1); color: #fff; border-color: transparent; }
.apply-panel { padding: 22px; color: var(--ink); }
.form-grid { display: grid; gap: 12px; }
label { font-weight: 800; font-size: .92rem; display: block; margin-bottom: 6px; }
input, select, textarea {
 width: 100%; border: 1px solid var(--line); background: #fffaf7; color: var(--ink);
 border-radius: 14px; padding: 12px 14px; min-height: 48px;
}
textarea { min-height: 96px; resize: vertical; }
.form-note { min-height: 0; margin: 4px 0 0; color: var(--muted); font-size: .92rem; }
.memo-result { display: none; margin-top: 14px; padding: 14px; border-radius: 16px; background: var(--bg-cream); border: 1px solid var(--line); }
.memo-result.is-on { display: block; }
.memo-result h3 { font-size: 1rem; margin-bottom: 8px; }
.site-footer { background: #241c18; color: rgba(255,255,255,.82); padding: 42px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 24px; }
.footer-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; font-size: 1.08rem; margin-bottom: 10px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 16px; align-content: flex-start; }
.footer-links a { color: #fff; font-weight: 700; }
.footer-links a:hover { color: #fecdd3; }
.copyright { margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.62); font-size: .92rem; }
@media (max-width: 1024px) {
 .pain-grid, .metric-grid, .step-row { grid-template-columns: repeat(2, 1fr); }
 .article-hero-grid, .spec-layout, .scene-layout, .fit-layout, .apply-grid, .footer-grid { grid-template-columns: 1fr; }
 .carousel-control-prev { left: 8px; }
 .carousel-control-next { right: 8px; }
}
@media (max-width: 768px) {
 .nav-toggle { display: inline-flex; }
 .site-header { height: auto; min-height: var(--header-h); }
 .header-bar { height: var(--header-h); }
 .site-nav {
  display: none; position: absolute; left: 0; right: 0; top: var(--header-h);
  flex-direction: column; align-items: stretch; gap: 6px; padding: 12px 16px 16px;
  background: rgba(255,248,244,.98); border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
 }
 .site-nav.is-open { display: flex; }
 .site-nav-link { width: 100%; }
 .news-link { grid-template-columns: 1fr; gap: 4px; }
}
@media (max-width: 520px) {
 .container { width: min(1140px, calc(100% - 20px)); }
 .brand-name { font-size: 1rem; }
 .pain-grid, .metric-grid, .step-row { grid-template-columns: 1fr; }
 .article-hero h1 { max-width: none; }
 .button { width: 100%; }
 .qualify-card .button, .hero-actions .button { width: 100%; }
 .memo-frame { min-height: 0; }
}

/* roulang page: index */
:root {
  --brand: #d4533c;
  --brand-deep: #8f2d22;
  --brand-soft: #fff1ea;
  --accent: #e7a325;
  --ink: #241c18;
  --muted: #6d625b;
  --line: #f0e2d8;
  --paper: #fffaf7;
  --card: #ffffff;
  --espresso: #2a211c;
  --radius: 26px;
  --radius-sm: 16px;
  --shadow: 0 18px 46px rgba(92, 42, 24, 0.08);
  --shadow-sm: 0 8px 22px rgba(92, 42, 24, 0.06);
  --space: 28px;
  --max: 1140px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
  font-size: 16px;
}
img, svg { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--brand-deep); }
:focus-visible { outline: 3px solid rgba(212, 83, 60, 0.45); outline-offset: 3px; }
.container { max-width: var(--max); }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 250, 247, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(240, 226, 216, 0.9);
}
.nav-bar {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 20px;
  letter-spacing: 0.01em;
  color: var(--ink);
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(145deg, #f08a62, #d4533c 55%, #e7a325);
  box-shadow: 0 8px 16px rgba(212, 83, 60, 0.28);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 16px;
}
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a {
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--ink);
  font-weight: 500;
}
.nav-links a:hover { background: var(--brand-soft); color: var(--brand-deep); }
.nav-links a.active {
  background: linear-gradient(135deg, #2a211c, #4a342c);
  color: #fff;
}
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 700;
}
.hero {
  padding: 26px 0 22px;
  background:
    radial-gradient(900px 180px at 10% 0%, rgba(231, 163, 37, 0.18), transparent 60%),
    linear-gradient(180deg, #fff 0%, #fff6f1 100%);
  border-bottom: 1px solid var(--line);
}
.hero-banner {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 28px;
  align-items: end;
}
.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.25;
  font-weight: 900;
  letter-spacing: -0.02em;
}
.hero-lead { margin: 0; color: var(--muted); font-size: 16.5px; max-width: 760px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.btn-main, .btn-line, .btn-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  cursor: pointer;
}
.btn-main {
  background: linear-gradient(135deg, #e07a52, #d4533c);
  color: #fff;
  box-shadow: 0 10px 22px rgba(212, 83, 60, 0.25);
}
.btn-line { background: #fff; border-color: #efd5c8; color: var(--ink); }
.btn-dark { background: var(--espresso); color: #fff; }
.btn-main:hover, .btn-line:hover, .btn-dark:hover { transform: translateY(-2px); color: #fff; }
.btn-line:hover { color: var(--brand-deep); background: #fff7f3; }
.hero-side {
  background: linear-gradient(160deg, rgba(255,255,255,.8), rgba(255,241,234,.9));
  border: 1px solid #f3ddd2;
  border-radius: 22px;
  padding: 16px 18px;
}
.hero-side p { margin: 0; color: var(--muted); font-size: 14px; }
.hero-side strong { display: block; color: var(--ink); font-size: 18px; margin-bottom: 4px; }
section { padding: 72px 0; }
.band-warm { background: linear-gradient(180deg, #fff8f4, #fff); }
.band-plain { background: #fff; }
.band-mist { background: #fbf6f2; }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head h2 { margin: 0 0 10px; font-size: clamp(26px, 3vw, 34px); font-weight: 900; letter-spacing: -0.02em; line-height: 1.3; }
.section-head p { margin: 0; color: var(--muted); }
.kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--brand-deep); font-weight: 700; font-size: 13px; letter-spacing: 0.08em; margin-bottom: 8px; }
.pain-list { display: grid; gap: 14px; }
.pain-row {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  gap: 18px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}
.pain-row:hover { transform: translateY(-2px); box-shadow: var(--shadow); transition: .2s ease; }
.pain-no { font-weight: 900; color: var(--brand); font-size: 22px; }
.pain-row h3 { margin: 0 0 4px; font-size: 18px; }
.pain-row p { margin: 0; color: var(--muted); }
.tag { border-radius: 999px; background: var(--brand-soft); color: var(--brand-deep); padding: 6px 10px; font-size: 13px; font-weight: 700; white-space: nowrap; }
.bento { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 24px;
}
.card h3 { margin: 0 0 8px; font-size: 20px; }
.card p { margin: 0; color: var(--muted); }
.card:hover { box-shadow: var(--shadow); }
.split-note {
  background: linear-gradient(160deg, #2a211c, #4c332b);
  color: #fff;
  border: 0;
}
.split-note p { color: rgba(255,255,255,.82); }
.boundary { display: grid; gap: 12px; margin-top: 16px; }
.boundary li { list-style: none; background: #fff; border-radius: 14px; padding: 12px 14px; color: var(--ink); }
.badge-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
.data-badge {
  min-width: 150px;
  background: #fff;
  border-radius: 20px;
  border: 1px solid var(--line);
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
}
.data-badge strong { display: block; font-size: 28px; line-height: 1.1; background: linear-gradient(135deg, #d4533c, #e7a325); -webkit-background-clip: text; background-clip: text; color: transparent; }
.data-badge span { color: var(--muted); font-size: 13px; }
.return-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 18px; }
.return-list { margin: 14px 0 0; padding: 0; display: grid; gap: 10px; }
.return-list li { list-style: none; padding-left: 18px; position: relative; color: var(--ink); }
.return-list li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); position: absolute; left: 0; top: 10px; }
.step-rail { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.step {
  background: #fff;
  border-radius: 24px;
  padding: 20px;
  border: 1px solid var(--line);
  min-height: 230px;
  position: relative;
}
.step em { font-style: normal; color: var(--brand); font-weight: 900; }
.step h3 { font-size: 18px; margin: 10px 0; }
.step p { color: var(--muted); margin: 0; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.chip {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 700;
  cursor: pointer;
}
.chip.active, .chip:hover { background: var(--espresso); color: #fff; border-color: var(--espresso); }
.material-list { display: grid; gap: 10px; }
.material-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  align-items: center;
  background: #fff;
  border-radius: 18px;
  padding: 16px 18px;
  border: 1px solid var(--line);
}
.material-row b { color: var(--brand-deep); }
.material-row p { margin: 0; }
.timeline { display: grid; gap: 0; position: relative; }
.timeline::before { content: ""; position: absolute; left: 18px; top: 0; bottom: 0; width: 2px; background: #f0d2c6; }
.time-item { display: grid; grid-template-columns: 40px 1fr; gap: 16px; padding-bottom: 18px; }
.dot { width: 16px; height: 16px; border-radius: 50%; background: linear-gradient(135deg, #e7a325, #d4533c); margin: 6px 10px 0 11px; box-shadow: 0 0 0 6px #fff4ee; position: relative; z-index: 1; }
.time-item h3 { margin: 0 0 4px; font-size: 18px; }
.time-item p { margin: 0; color: var(--muted); }
.case-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 16px; }
.case-main { min-height: 100%; background: linear-gradient(165deg, #fff, #fff1e8); }
.case-stack { display: grid; gap: 16px; }
.quote-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.quote { border-radius: 28px; padding: 24px; background: #fff; border: 1px solid var(--line); }
.quote:nth-child(2) { transform: translateY(18px); }
.quote p { font-size: 17px; margin: 0 0 12px; color: var(--ink); }
.quote span { color: var(--muted); font-size: 13px; }
.audience { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.audience article { background: #fff; border-radius: 22px; padding: 18px; border: 1px solid var(--line); }
.audience h3 { font-size: 17px; margin: 0 0 6px; }
.audience p { margin: 0; color: var(--muted); font-size: 14px; }
.demo { display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; align-items: center; }
.demo-visual {
  border-radius: 30px;
  min-height: 320px;
  background:
    linear-gradient(160deg, rgba(42,33,28,.08), rgba(212,83,60,.16)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='640' height='420' viewBox='0 0 640 420'%3E%3Crect fill='%23fff7f2' width='640' height='420'/%3E%3Crect x='48' y='48' rx='24' width='250' height='140' fill='%23ffffff' stroke='%23f0d8cc'/%3E%3Crect x='320' y='78' rx='24' width='270' height='90' fill='%232a211c'/%3E%3Crect x='80' y='220' rx='20' width='480' height='24' fill='%23f3d2c4'/%3E%3Crect x='80' y='262' rx='20' width='360' height='24' fill='%23e7a325' opacity='.7'/%3E%3Crect x='80' y='304' rx='20' width='420' height='24' fill='%23d4533c' opacity='.55'/%3E%3C/svg%3E") center/cover;
  border: 1px solid var(--line);
}
.topic-wall { display: grid; grid-template-columns: 1.3fr .7fr .7fr; grid-template-rows: auto auto; gap: 14px; }
.topic-main { grid-row: 1 / span 2; background: linear-gradient(160deg, #d4533c, #e7a325); color: #fff; border: 0; }
.topic-main p, .topic-main h3 { color: #fff; }
.topic-wall a.card { display: block; }
.topic-wall a.card:hover { transform: translateY(-3px); }
.news-layout { display: grid; grid-template-columns: 1.45fr .7fr; gap: 18px; }
.news-item, .side-item {
  display: block;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.news-item h3, .side-item h3 { margin: 6px 0; font-size: 18px; }
.news-item p, .side-item p { margin: 0; color: var(--muted); }
.meta { color: var(--brand-deep); font-size: 13px; font-weight: 700; }
.empty-note { color: var(--muted); background: #fff; border-radius: 16px; padding: 16px; border: 1px dashed var(--line); }
.more-link { display: inline-flex; margin-top: 12px; font-weight: 800; color: var(--brand-deep); }
.side-card { background: #fff; border-radius: 24px; padding: 18px; border: 1px solid var(--line); }
.metric-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.metric {
  background: var(--espresso);
  color: #fff;
  border-radius: 24px;
  padding: 22px 18px;
}
.metric b { display: block; font-size: 32px; }
.metric span { color: rgba(255,255,255,.75); }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.compare article:first-child { background: #fff; }
.compare article:last-child { background: #2a211c; color: #fff; border: 0; }
.compare article:last-child p, .compare article:last-child li { color: rgba(255,255,255,.82); }
.compare ul { margin: 12px 0 0; padding-left: 18px; }
.join {
  padding-top: 20px;
}
.join-box {
  background: linear-gradient(120deg, #fff 0%, #ffe8dc 48%, #fff6ea 100%);
  border-radius: 32px;
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 24px;
  border: 1px solid #f3d7cb;
  box-shadow: var(--shadow);
}
label { display: block; font-weight: 700; font-size: 14px; margin-bottom: 6px; }
input, select, textarea {
  width: 100%;
  border: 1px solid #efd8cc;
  background: #fff;
  border-radius: 14px;
  padding: 12px 12px;
  margin-bottom: 12px;
}
textarea { min-height: 96px; resize: vertical; }
.form-note { color: var(--brand-deep); font-weight: 700; }
.site-footer { background: #1d1714; color: rgba(255,255,255,.78); padding: 42px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 20px; }
.site-footer a { color: #fff; }
.site-footer h2 { color: #fff; font-size: 18px; margin: 0 0 10px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.copy { border-top: 1px solid rgba(255,255,255,.08); margin-top: 22px; padding-top: 14px; font-size: 13px; }
@media (max-width: 1024px) {
  .hero-banner, .bento, .return-grid, .case-layout, .demo, .news-layout, .join-box, .footer-grid { grid-template-columns: 1fr; }
  .step-rail, .audience, .metric-band { grid-template-columns: 1fr 1fr; }
  .topic-wall { grid-template-columns: 1fr 1fr; }
  .topic-main { grid-row: auto; grid-column: 1 / -1; }
  .quote:nth-child(2) { transform: none; }
}
@media (max-width: 768px) {
  .nav-toggle { display: inline-flex; }
  .nav-collapse { display: none; width: 100%; }
  .nav-collapse.show { display: block; }
  .nav-links { flex-direction: column; align-items: stretch; padding-bottom: 14px; }
  .nav-bar { flex-wrap: wrap; padding: 10px 0; }
  section { padding: 54px 0; }
  .pain-row, .material-row { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
}
@media (min-width: 769px) {
  .nav-collapse.collapse { display: flex !important; height: auto !important; visibility: visible; }
}
@media (max-width: 520px) {
  .step-rail, .audience, .metric-band, .quote-grid, .compare, .topic-wall { grid-template-columns: 1fr; }
  .hero-actions, .btn-main, .btn-line, .btn-dark { width: 100%; }
  .data-badge { width: 100%; }
  body { font-size: 15px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}

/* roulang page: category1 */
:root {
 --ink: #2a211c;
 --ink-soft: #4a3b34;
 --muted: #74655c;
 --bg: #fff8f4;
 --bg-white: #ffffff;
 --bg-cream: #fff1e8;
 --bg-peach: #ffe8dc;
 --line: #f0ddd2;
 --brand: #e11d48;
 --brand-deep: #9f1239;
 --amber: #ea580c;
 --gold: #c2410c;
 --card: #ffffff;
 --radius: 28px;
 --radius-sm: 16px;
 --shadow: 0 18px 44px rgba(120, 53, 15, .08);
 --shadow-hover: 0 22px 50px rgba(120, 53, 15, .14);
 --space: clamp(3.2rem, 6vw, 5.4rem);
 --header-h: 76px;
 --grad: linear-gradient(120deg, #fff7ed 0%, #ffe4e6 48%, #ffedd5 100%);
 --grad-brand: linear-gradient(135deg, #fb7185 0%, #e11d48 42%, #ea580c 100%);
 --focus: #fb923c;
}
:root {
 --brand: #d4533c;
 --brand-deep: #8f2d22;
 --brand-soft: #fff1ea;
 --accent: #e7a325;
 --ink: #241c18;
 --muted: #6d625b;
 --line: #f0e2d8;
 --paper: #fffaf7;
 --card: #ffffff;
 --espresso: #2a211c;
 --radius: 26px;
 --radius-sm: 16px;
 --shadow: 0 18px 46px rgba(92, 42, 24, 0.08);
 --shadow-sm: 0 8px 22px rgba(92, 42, 24, 0.06);
 --space: 28px;
 --max: 1140px;
}
:root {
 --ink: #2a211c;
 --ink-soft: #4a3b34;
 --muted: #74655c;
 --bg: #fff8f4;
 --bg-white: #ffffff;
 --bg-cream: #fff1e8;
 --bg-peach: #ffe8dc;
 --line: #f0ddd2;
 --brand: #e11d48;
 --brand-deep: #9f1239;
 --amber: #ea580c;
 --gold: #c2410c;
 --card: #ffffff;
 --radius: 28px;
 --radius-sm: 16px;
 --shadow: 0 18px 44px rgba(120, 53, 15, .08);
 --shadow-hover: 0 22px 50px rgba(120, 53, 15, .14);
 --space: clamp(3.2rem, 6vw, 5.4rem);
 --header-h: 76px;
 --grad: linear-gradient(120deg, #fff7ed 0%, #ffe4e6 48%, #ffedd5 100%);
 --grad-brand: linear-gradient(135deg, #fb7185 0%, #e11d48 42%, #ea580c 100%);
 --focus: #fb923c;
 --paper: #fffaf7;
 --espresso: #2a211c;
 --shadow-sm: 0 8px 22px rgba(92, 42, 24, 0.06);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 color: var(--ink);
 background: var(--bg);
 font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
 font-size: 16px;
 line-height: 1.75;
 text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font-family: inherit; }
h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.28; font-weight: 900; letter-spacing: -0.02em; }
p { color: var(--ink-soft); }
ul { margin: 0; padding: 0; list-style: none; }
.container {
 width: min(1140px, calc(100% - 32px));
 max-width: 1140px;
 margin: 0 auto;
 padding-left: 0;
 padding-right: 0;
}
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: rgba(255, 248, 244, .94);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid rgba(240, 221, 210, .95);
}
.nav-bar {
 min-height: var(--header-h);
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 20px;
}
.brand {
 display: inline-flex;
 align-items: center;
 gap: 10px;
 min-width: 0;
 font-size: 1.12rem;
 font-weight: 900;
 color: var(--ink);
 white-space: nowrap;
}
.brand-mark {
 width: 42px;
 height: 42px;
 border-radius: 14px;
 display: grid;
 place-items: center;
 color: #fff;
 font-weight: 900;
 background: var(--grad-brand);
 box-shadow: 0 8px 18px rgba(225, 29, 72, .28);
 flex: 0 0 auto;
}
.nav-toggle {
 display: none;
 border: 1px solid var(--line);
 background: #fff;
 color: var(--ink);
 border-radius: 999px;
 padding: 8px 14px;
 font-weight: 800;
}
.nav-toggle:hover { border-color: #f1b8a2; background: #fff; }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a {
 display: inline-flex;
 align-items: center;
 min-height: 42px;
 padding: 0 16px;
 border-radius: 999px;
 color: var(--ink-soft);
 font-weight: 800;
 transition: background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.nav-links a:hover { background: #fff; color: var(--brand-deep); }
.nav-links a.active,
.nav-links a[aria-current="page"] {
 background: var(--grad-brand);
 color: #fff;
 box-shadow: 0 8px 18px rgba(225, 29, 72, .22);
}
.nav-links a:focus-visible,
.nav-toggle:focus-visible,
.button:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
 outline: 3px solid var(--focus);
 outline-offset: 3px;
}
.param-hero {
 background: var(--grad);
 border-bottom: 1px solid var(--line);
 padding: clamp(2.2rem, 5vw, 4.2rem) 0 clamp(2rem, 4vw, 3.4rem);
}
.param-grid {
 display: grid;
 grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
 gap: 28px;
 align-items: stretch;
}
.eyebrow {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 margin-bottom: 12px;
 color: var(--brand-deep);
 font-weight: 800;
 font-size: .92rem;
}
.param-hero h1 {
 font-size: clamp(2rem, 4vw, 3.15rem);
 margin-bottom: 14px;
 max-width: 10em;
}
.hero-lead { font-size: 1.05rem; max-width: 640px; margin-bottom: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
.button {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 8px;
 min-height: 48px;
 padding: 0 20px;
 border-radius: 999px;
 border: 1px solid transparent;
 font-weight: 800;
 cursor: pointer;
 transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.button-brand { color: #fff; background: var(--grad-brand); box-shadow: 0 12px 24px rgba(225, 29, 72, .24); }
.button-brand:hover, .button-brand:focus { color: #fff; box-shadow: var(--shadow-hover); }
.button-ghost { background: rgba(255,255,255,.9); border-color: #f3d0c2; color: var(--ink); }
.button-ghost:hover { background: #fff; color: var(--brand-deep); }
.button-light { background: #fff; color: var(--brand-deep); }
.hero-pills, .metric-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill, .data-badge {
 display: inline-flex;
 align-items: center;
 gap: 6px;
 min-height: 34px;
 padding: 4px 12px;
 border-radius: 999px;
 background: rgba(255,255,255,.82);
 border: 1px solid rgba(255,255,255,.95);
 color: var(--brand-deep);
 font-size: .86rem;
 font-weight: 800;
}
.data-badge b { font-size: 1.02rem; }
.fine-note { margin: 14px 0 0; color: var(--muted); font-size: .92rem; }
.spec-panel {
 background: rgba(255,255,255,.88);
 border: 1px solid rgba(255,255,255,.95);
 border-radius: 32px;
 box-shadow: var(--shadow);
 padding: 22px;
 display: flex;
 flex-direction: column;
 gap: 10px;
}
.spec-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 4px; }
.spec-top strong { font-size: 1.15rem; }
.spec-row {
 display: grid;
 grid-template-columns: 92px 1fr auto;
 gap: 10px;
 align-items: center;
 padding: 12px 12px;
 border-radius: 16px;
 background: #fff8f4;
 border: 1px solid var(--line);
}
.spec-label { color: var(--muted); font-size: .86rem; font-weight: 800; }
.spec-value { font-weight: 800; color: var(--ink); }
.spec-tag {
 font-size: .78rem;
 font-weight: 800;
 color: var(--gold);
 background: #fff1e8;
 border-radius: 999px;
 padding: 3px 8px;
}
.section { padding: var(--space) 0; }
.section-cream { background: var(--bg-cream); }
.section-white { background: var(--bg-white); }
.section-peach { background: linear-gradient(180deg, #fff8f4 0%, #fff1e8 100%); }
.section-head { max-width: 720px; margin-bottom: 26px; }
.section-head h2 { font-size: clamp(1.5rem, 2.5vw, 2.1rem); margin-bottom: 10px; }
.section-head p { margin-bottom: 0; }
.split-head {
 display: grid;
 grid-template-columns: minmax(240px, .72fr) minmax(0, 1.28fr);
 gap: 28px;
 align-items: start;
}
.split-head .section-head { margin-bottom: 0; }
.pain-stack { display: grid; gap: 12px; }
.pain-card, .duty-card, .step-card, .quote-card, .person-row, .news-link, .soft-card {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.pain-card, .duty-card, .step-card, .quote-card, .news-link, .person-row {
 transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.pain-card:hover, .duty-card:hover, .step-card:hover, .quote-card:hover, .news-link:hover, .person-row:hover {
 transform: translateY(-3px);
 box-shadow: var(--shadow-hover);
}
.pain-card { padding: 18px 18px 16px; display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: start; }
.pain-card h3, .duty-card h3, .step-card h3, .quote-card h3 { font-size: 1.06rem; margin: 0 0 6px; }
.pain-card p, .duty-card p, .step-card p, .quote-card p, .person-row p { margin: 0; font-size: .98rem; }
.index-badge {
 width: 42px;
 height: 42px;
 border-radius: 14px;
 display: grid;
 place-items: center;
 color: #fff;
 font-weight: 900;
 background: var(--grad-brand);
 box-shadow: 0 8px 16px rgba(225, 29, 72, .2);
}
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.duty-card { padding: 24px; min-height: 100%; }
.duty-card.mine { background: linear-gradient(180deg, #fff 0%, #fff7f4 100%); }
.duty-card.hers { background: linear-gradient(160deg, #fff 10%, #fff1e8 100%); }
.duty-card ul li {
 position: relative;
 padding-left: 16px;
 margin: 10px 0;
 color: var(--ink-soft);
}
.duty-card ul li::before {
 content: "";
 width: 7px;
 height: 7px;
 border-radius: 50%;
 background: var(--brand);
 position: absolute;
 left: 0;
 top: .62em;
}
.kicker {
 display: inline-flex;
 margin-bottom: 8px;
 color: var(--amber);
 font-size: .82rem;
 font-weight: 900;
 letter-spacing: .04em;
}
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; position: relative; }
.step-card { padding: 20px 18px 18px; position: relative; overflow: hidden; }
.step-card::after {
 content: "";
 position: absolute;
 left: 22px;
 right: 22px;
 bottom: 0;
 height: 4px;
 background: var(--grad-brand);
 border-radius: 999px 999px 0 0;
}
.step-no { color: var(--brand); font-weight: 900; font-size: .88rem; margin-bottom: 8px; }
.result-board {
 display: grid;
 grid-template-columns: .9fr 1.1fr;
 gap: 18px;
 align-items: stretch;
}
.stat-panel {
 border-radius: 32px;
 padding: 28px;
 background: var(--grad-brand);
 color: #fff;
 box-shadow: var(--shadow);
 display: flex;
 flex-direction: column;
 justify-content: space-between;
 min-height: 280px;
}
.stat-panel p { color: rgba(255,255,255,.9); }
.stat-panel strong { display: block; font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1; font-weight: 900; }
.change-list { display: grid; gap: 12px; }
.change-item {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 22px;
 padding: 18px 18px 16px;
 box-shadow: var(--shadow-sm);
}
.change-item b { display: block; margin-bottom: 4px; }
.quote-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 14px; }
.quote-card { padding: 22px; }
.quote-card.large { background: #fff; min-height: 100%; display: flex; flex-direction: column; justify-content: space-between; }
.quote-card q { font-size: 1.18rem; font-weight: 800; color: var(--ink); line-height: 1.55; quotes: none; }
.quote-card span { display: block; margin-top: 14px; color: var(--muted); font-weight: 700; font-size: .9rem; }
.quote-side { display: grid; gap: 14px; }
.people-list { display: grid; gap: 12px; }
.person-row {
 padding: 16px 18px;
 display: grid;
 grid-template-columns: 132px 1fr;
 gap: 16px;
 align-items: center;
}
.person-row b { color: var(--brand-deep); }
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-link {
 display: grid;
 grid-template-columns: 168px minmax(0, 1fr);
 gap: 6px 18px;
 padding: 18px 20px;
}
.news-meta { display: flex; flex-direction: column; gap: 4px; color: var(--brand-deep); font-size: .84rem; font-weight: 800; }
.news-meta time { color: var(--muted); font-weight: 700; }
.news-link strong { font-size: 1.06rem; }
.news-summary { grid-column: 2; color: var(--muted); font-size: .95rem; }
.empty-note {
 margin: 0;
 padding: 22px 24px;
 border-radius: var(--radius);
 background: #fff;
 border: 1px dashed #e7c8b8;
 color: var(--muted);
}
.metric-band {
 display: grid;
 grid-template-columns: repeat(4, 1fr);
 gap: 12px;
}
.metric-item {
 background: rgba(255,255,255,.04);
 border: 1px solid rgba(255,255,255,.08);
 border-radius: 24px;
 padding: 22px 18px;
}
.section-metrics { background: var(--espresso); color: #fff; }
.section-metrics .section-head p { color: rgba(255,255,255,.76); }
.metric-item b {
 display: block;
 font-size: clamp(2rem, 4vw, 3rem);
 line-height: 1;
 margin-bottom: 8px;
 background: var(--grad-brand);
 -webkit-background-clip: text;
 background-clip: text;
 color: #fb7185;
}
.metric-item span { color: rgba(255,255,255,.82); }
.cta-panel {
 display: grid;
 grid-template-columns: .82fr 1.18fr;
 gap: 22px;
 align-items: start;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 32px;
 box-shadow: var(--shadow);
 padding: 28px;
}
.cta-copy h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 10px; }
.prep-form { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.wide { grid-column: 1 / -1; }
.field span { font-weight: 800; font-size: .9rem; }
.field input, .field textarea, .field select {
 width: 100%;
 border: 1px solid var(--line);
 background: #fffaf7;
 color: var(--ink);
 border-radius: 14px;
 min-height: 48px;
 padding: 10px 12px;
}
.field textarea { min-height: 84px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus {
 border-color: #fdba74;
 box-shadow: 0 0 0 4px rgba(251, 146, 60, .16);
 outline: none;
}
.form-actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 10px; }
.form-result {
 grid-column: 1 / -1;
 margin: 0;
 width: 100%;
 border-radius: 16px;
 border: 1px solid #f3c7b6;
 background: #fff7f3;
 padding: 12px;
 color: var(--ink);
 min-height: 92px;
}
.site-footer {
 background: #2a211c;
 color: rgba(255,255,255,.84);
 padding: 48px 0 22px;
}
.site-footer h2 { color: #fff; font-size: 1.08rem; margin-bottom: 10px; }
.site-footer p, .site-footer a { color: rgba(255,255,255,.78); }
.footer-grid { display: grid; grid-template-columns: 1.3fr .8fr 1fr; gap: 28px; }
.footer-grid li { margin: 8px 0; }
.footer-grid a:hover { color: #fff; }
.copy {
 margin-top: 26px;
 padding-top: 16px;
 border-top: 1px solid rgba(255,255,255,.12);
 color: rgba(255,255,255,.62);
 font-size: .92rem;
}
@media (max-width: 1024px) {
 .nav-toggle { display: inline-flex; }
 .nav-bar { flex-wrap: wrap; padding: 10px 0; }
 .nav-collapse { flex-basis: 100%; }
 .nav-links { flex-direction: column; align-items: stretch; gap: 6px; padding: 4px 0 12px; }
 .nav-links a { width: 100%; }
 .param-grid, .split-head, .two-col, .result-board, .quote-grid, .cta-panel, .timeline, .metric-band, .footer-grid {
 grid-template-columns: 1fr 1fr;
 }
 .timeline, .metric-band { grid-template-columns: 1fr 1fr; }
 .quote-grid, .result-board, .cta-panel, .param-grid, .split-head, .footer-grid { grid-template-columns: 1fr; }
}
@media (min-width: 1025px) {
 .nav-collapse.collapse { display: flex !important; height: auto !important; visibility: visible; }
 .nav-toggle { display: none !important; }
}
@media (max-width: 768px) {
 .person-row, .news-link, .prep-form, .spec-row { grid-template-columns: 1fr; }
 .news-summary { grid-column: auto; }
 .spec-tag { justify-self: start; }
 .metric-band, .timeline, .two-col { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
 .container { width: calc(100% - 24px); }
 .hero-actions .button, .form-actions .button { width: 100%; }
 .brand { font-size: 1rem; }
 .param-hero h1 { max-width: none; }
 .cta-panel, .spec-panel, .duty-card { padding: 18px; border-radius: 22px; }
 .pain-card { grid-template-columns: 1fr; }
}

/* roulang page: article */
:root {
  --ink: #2a211c;
  --ink-soft: #4a3b34;
  --muted: #74655c;
  --bg: #fff8f4;
  --bg-white: #ffffff;
  --bg-cream: #fff1e8;
  --bg-peach: #ffe8dc;
  --line: #f0ddd2;
  --brand: #e11d48;
  --brand-deep: #9f1239;
  --amber: #ea580c;
  --gold: #c2410c;
  --card: #ffffff;
  --radius: 28px;
  --radius-sm: 16px;
  --shadow: 0 18px 44px rgba(120, 53, 15, .08);
  --shadow-hover: 0 22px 50px rgba(120, 53, 15, .14);
  --space: clamp(3.2rem, 6vw, 5.4rem);
  --header-h: 76px;
  --grad: linear-gradient(120deg, #fff7ed 0%, #ffe4e6 48%, #ffedd5 100%);
  --grad-brand: linear-gradient(135deg, #fb7185 0%, #e11d48 42%, #ea580c 100%);
  --focus: #fb923c;
  --espresso: #2a211c;
  --paper: #fffaf7;
  --shadow-sm: 0 8px 22px rgba(92, 42, 24, .06);
  --max: 1140px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font-family: inherit; }
p { color: var(--ink-soft); }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.28; letter-spacing: -0.02em; }
::selection { background: #fecdd3; color: var(--ink); }
.container { width: min(1140px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  background: rgba(255, 248, 244, .92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(240, 221, 210, .9);
}
.nav-bar, .header-bar {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--ink);
  font-size: 1.12rem;
  font-weight: 800;
  white-space: nowrap;
}
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  background: var(--grad-brand);
  box-shadow: 0 8px 18px rgba(225, 29, 72, .28);
  flex: 0 0 auto;
}
.brand-name { font-size: 1.12rem; font-weight: 800; color: var(--ink); white-space: nowrap; }
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 700;
}
.nav-toggle:hover { border-color: #f1b8a2; background: #fff; }
.nav-links, .site-nav { display: flex; align-items: center; gap: 8px; }
.nav-links a, .site-nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-weight: 700;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.nav-links a:hover, .site-nav-link:hover { background: #fff; color: var(--brand-deep); }
.nav-links a.active, .nav-links a[aria-current="page"], .site-nav-link.is-active {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 8px 18px rgba(225, 29, 72, .22);
}
.site-nav-link:focus-visible, .nav-toggle:focus-visible, .button:focus-visible, .more-link:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}
.section { padding: var(--space) 0; }
.section-white { background: var(--bg-white); }
.section-cream { background: linear-gradient(180deg, var(--bg-cream), #fff8f4); }
.section-peach { background: var(--bg-peach); }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head h2 { font-size: clamp(1.5rem, 2.4vw, 2.05rem); margin: 0 0 10px; }
.section-head p { margin: 0; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--brand-deep);
  font-weight: 800;
  font-size: .92rem;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.button-brand { color: #fff; background: var(--grad-brand); box-shadow: 0 12px 24px rgba(225, 29, 72, .24); }
.button-brand:hover { color: #fff; box-shadow: var(--shadow-hover); }
.button-ghost { background: rgba(255,255,255,.86); border-color: #f3d0c2; color: var(--ink); }
.button-ghost:hover { background: #fff; color: var(--ink); }
.button-light { background: #fff; color: var(--brand-deep); }
.button-light:hover { color: var(--brand-deep); }
.pill, .data-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(255,255,255,.9);
  color: var(--brand-deep);
  font-size: .86rem;
  font-weight: 800;
}
.data-badge b { font-size: 1rem; }
.hero-pills, .badge-row { display: flex; flex-wrap: wrap; gap: 8px; }
.article-hero {
  background: var(--grad);
  border-bottom: 1px solid var(--line);
  padding: 34px 0 42px;
}
.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, .78fr);
  gap: 28px;
  align-items: stretch;
}
.crumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; color: var(--muted); font-size: .9rem; margin-bottom: 14px; }
.crumb a { color: var(--brand-deep); font-weight: 700; }
.article-hero h1 { font-size: clamp(1.9rem, 3.5vw, 2.85rem); margin: 0 0 14px; max-width: 14em; }
.hero-lead { font-size: 1.05rem; max-width: 760px; margin: 0 0 16px; }
.meta-row { display: flex; flex-wrap: wrap; gap: 10px 16px; color: var(--muted); font-size: .92rem; margin-bottom: 16px; }
.meta-row span { display: inline-flex; align-items: center; gap: 6px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 18px 0 8px; }
.qualify-card {
  background: rgba(255,255,255,.9);
  border: 1px solid rgba(255,255,255,.95);
  border-radius: 32px;
  box-shadow: var(--shadow);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.qualify-card h2 { font-size: 1.28rem; margin: 0; }
.qualify-card ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.qualify-card li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--bg-cream);
  border-radius: 16px;
  padding: 10px 12px;
  color: var(--ink-soft);
}
.qualify-card li i { color: var(--brand); margin-top: 3px; }
.reading-sheet, .soft-card, .quote-card, .shot-card, .apply-card, .side-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.reading-sheet { padding: clamp(22px, 4vw, 42px); }
.article-rich { color: var(--ink-soft); font-size: 1.05rem; }
.article-rich > *:first-child { margin-top: 0; }
.article-rich h2, .article-rich h3 { margin: 1.35em 0 .5em; }
.article-rich p { margin: 0 0 1em; }
.article-rich ul, .article-rich ol { margin: 0 0 1em; padding-left: 1.2em; }
.article-rich li { margin: .35em 0; }
.article-rich a { color: var(--brand-deep); font-weight: 700; border-bottom: 1px solid rgba(225, 29, 72, .3); }
.article-rich img, .article-rich video { border-radius: 18px; margin: 12px 0; }
.article-rich blockquote {
  margin: 1em 0;
  padding: 14px 16px;
  border-left: 4px solid #fb7185;
  background: var(--bg-cream);
  border-radius: 0 16px 16px 0;
}
.empty-state { text-align: left; padding: 12px 0; }
.empty-state h2 { margin: 0 0 16px; font-size: 1.6rem; }
.spec-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 24px; background: #fff; box-shadow: var(--shadow); }
.spec-table { width: 100%; border-collapse: collapse; min-width: 680px; }
.spec-table th, .spec-table td { padding: 16px 18px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.spec-table th { background: #fff5f2; color: var(--brand-deep); font-size: .92rem; }
.spec-table tr:last-child td { border-bottom: 0; }
.spec-table td strong { display: block; margin-bottom: 2px; }
.level {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  background: #fff1e8;
  color: var(--gold);
  font-weight: 800;
  font-size: .82rem;
}
.shot-stage { position: relative; }
.shot-card { overflow: hidden; min-height: 360px; background: var(--grad); }
.shot-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 18px;
  background: rgba(255,255,255,.72);
  border-bottom: 1px solid var(--line);
  font-weight: 800;
}
.dot { width: 10px; height: 10px; border-radius: 50%; background: #fecaca; }
.dot:nth-child(2) { background: #fdba74; }
.dot:nth-child(3) { background: #fda4af; }
.shot-top em { margin-left: auto; font-style: normal; color: var(--muted); font-size: .88rem; }
.shot-body { padding: 22px; display: grid; gap: 12px; }
.shot-line, .shot-block {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
}
.shot-line b, .shot-block b { display: block; color: var(--ink); }
.shot-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 12px; }
.meter { height: 8px; border-radius: 999px; background: #ffe4e6; overflow: hidden; margin-top: 8px; }
.meter span { display: block; height: 100%; width: 72%; background: var(--grad-brand); }
.shot-toolbar { display: flex; justify-content: space-between; gap: 12px; margin-top: 16px; align-items: center; }
.shot-nav {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 999px;
  min-height: 42px;
  padding: 0 16px;
  font-weight: 800;
}
.shot-nav:hover { border-color: #f1b8a2; color: var(--brand-deep); }
.carousel-indicators { position: static; margin: 0; gap: 6px; }
.carousel-indicators [data-bs-target] {
  width: 9px;
  height: 9px;
  border: 0;
  border-radius: 50%;
  background: #e7c2b6;
  opacity: 1;
}
.carousel-indicators .active { width: 26px; border-radius: 999px; background: var(--brand); }
.receive-bar {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  padding: 28px;
  border-radius: 32px;
  color: #fff;
  background: var(--grad-brand);
  box-shadow: var(--shadow-hover);
}
.receive-bar h2, .receive-bar p { color: #fff; }
.receive-bar h2 { margin: 12px 0 8px; font-size: clamp(1.4rem, 2vw, 1.9rem); }
.receive-bar p { margin: 0; max-width: 640px; }
.receive-bar .data-badge { background: rgba(255,255,255,.16); border-color: rgba(255,255,255,.28); color: #fff; }
.receive-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; align-items: stretch; }
.prose-card, .stop-card { border-radius: 32px; padding: 28px; border: 1px solid var(--line); }
.prose-card { background: #fff; box-shadow: var(--shadow); }
.prose-card h2, .stop-card h2 { margin-top: 0; }
.stop-card { background: var(--espresso); color: #fff7f3; }
.stop-card h2, .stop-card p, .stop-card li { color: #fff7f3; }
.stop-card ol { margin: 0; padding-left: 1.1em; display: grid; gap: 10px; }
.rail { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; position: relative; }
.rail::before {
  content: "";
  position: absolute;
  left: 6%;
  right: 6%;
  top: 28px;
  height: 2px;
  background: linear-gradient(90deg, #fb7185, #fdba74);
}
.node {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 18px 16px 16px;
  box-shadow: var(--shadow-sm);
}
.node b {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--grad-brand);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}
.node h3 { font-size: 1.05rem; margin: 0 0 6px; }
.node p { margin: 0; font-size: .95rem; }
.voice-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 16px; }
.quote-card { padding: 24px; }
.quote-card q { font-size: 1.28rem; font-weight: 800; color: var(--ink); display: block; margin-bottom: 10px; }
.quote-card p { margin: 0; }
.quote-stack { display: grid; gap: 16px; }
.note-strip {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 16px;
  background: #fff;
  border: 1px dashed #f3c3b4;
  color: var(--muted);
}
.apply-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 22px; }
.apply-card { padding: 26px; }
.side-card { padding: 26px; background: var(--grad); }
.side-card h2 { margin-top: 0; }
.side-card ul { margin: 0; padding-left: 1.1em; }
.field { display: grid; gap: 6px; margin-bottom: 14px; }
.field span { font-weight: 800; color: var(--ink); }
.field input, .field textarea, .field select {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 14px;
  min-height: 48px;
  padding: 10px 14px;
  color: var(--ink);
}
.field textarea { min-height: 110px; resize: vertical; }
.form-note {
  margin: 12px 0 0;
  padding: 12px 14px;
  border-radius: 14px;
  background: #fff1e8;
  color: var(--brand-deep);
  font-weight: 700;
}
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.news-link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 180px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
.news-link:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.news-link strong { font-size: 1.05rem; }
.news-link time { color: var(--muted); font-size: .86rem; }
.news-link p { margin: 0; }
.site-footer { background: #2a211c; color: #f8ebe4; padding: 48px 0 28px; }
.site-footer h2 { color: #fff; font-size: 1.08rem; margin: 0 0 12px; }
.site-footer p, .site-footer li, .site-footer a { color: #f3ddd3; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr 1fr; gap: 28px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-footer a:hover { color: #fff; }
.copy { margin-top: 26px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.12); color: #e7cfc4; font-size: .92rem; }
@media (max-width: 1024px) {
  .hero-layout, .split, .apply-layout, .voice-layout { grid-template-columns: 1fr; }
  .rail, .news-grid { grid-template-columns: 1fr 1fr; }
  .rail::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .site-header { height: auto; }
  .nav-bar { height: auto; min-height: 68px; flex-wrap: wrap; padding: 12px 0; }
  .nav-toggle { display: inline-flex; }
  .nav-collapse { width: 100%; }
  .nav-links { flex-direction: column; align-items: stretch; padding: 4px 0 12px; }
  .nav-links a { width: 100%; }
  .receive-bar, .shot-grid { display: block; }
  .receive-actions { margin-top: 16px; }
  .shot-grid { display: grid; grid-template-columns: 1fr; }
  .footer-grid, .rail, .news-grid { grid-template-columns: 1fr; }
}
@media (min-width: 769px) {
  #siteNav.nav-collapse.collapse { display: flex !important; height: auto !important; visibility: visible !important; }
}
@media (max-width: 520px) {
  .container { width: min(1140px, calc(100% - 20px)); }
  .brand { font-size: .98rem; white-space: normal; }
  .article-hero h1 { font-size: 1.7rem; }
  .button { width: 100%; }
  .hero-actions, .receive-actions { width: 100%; }
  .spec-table { min-width: 0; }
  .spec-table thead { display: none; }
  .spec-table tr { display: block; border-bottom: 1px solid var(--line); }
  .spec-table td { display: block; border-bottom: 0; padding: 8px 14px; }
  .spec-table td:first-child { padding-top: 14px; }
  .shot-toolbar { flex-direction: column; align-items: stretch; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}