/* roulang page: index */
:root {
  --copper: #C65A2E;
  --copper-deep: #9A3F1C;
  --teal: #1E7F72;
  --teal-soft: rgba(30, 127, 114, .12);
  --ink: #1B1613;
  --paper: #F3EEE7;
  --paper-2: #E7E0D6;
  --sheet: #FBF8F4;
  --text: #241C18;
  --muted: #5E564F;
  --line: rgba(36, 28, 24, .14);
  --magenta: #B43362;
  --white: #FFFcf8;
  --radius-data: 4px;
  --radius-card: 16px;
  --shadow: 0 8px 18px rgba(27, 22, 19, .12);
  --shadow-hover: 0 12px 22px rgba(27, 22, 19, .12);
  --header-offset: 124px;
  --space-section: 88px;
  --container: 1180px;
  --font: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--paper);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4, p, dl, dd, figure { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--copper); color: var(--paper); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 80;
  background: var(--sheet);
  color: var(--text);
  padding: 10px 14px;
  border-radius: var(--radius-data);
}
.skip:focus { top: 12px; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.section { padding: var(--space-section) 0; scroll-margin-top: var(--header-offset); }
.section-plain { background: var(--paper); }
.section-sheet { background: var(--sheet); }
.section-alt { background: var(--paper-2); }
.section-ink { background: var(--ink); color: var(--paper); }
.section-title {
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1.35;
  letter-spacing: -.03em;
  font-weight: 700;
  margin-bottom: 12px;
}
.lead {
  max-width: 38em;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 28px;
}
.section-ink .lead { color: rgba(243, 238, 231, .78); }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  color: var(--copper);
  font-size: 13px;
  letter-spacing: .08em;
}
.node-line {
  width: 88px;
  height: 8px;
  margin-bottom: 14px;
  background:
    radial-gradient(circle at 4px 4px, var(--copper) 3px, transparent 3.5px),
    radial-gradient(circle at 44px 4px, var(--teal) 3px, transparent 3.5px),
    radial-gradient(circle at 84px 4px, var(--magenta) 3px, transparent 3.5px);
}
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 8px;
  border-radius: var(--radius-data);
  border: 1px solid transparent;
  font-size: 12px;
  letter-spacing: .06em;
  line-height: 1;
}
.badge-live { color: var(--teal); background: rgba(30, 127, 114, .12); }
.badge-joint { color: var(--copper-deep); background: rgba(198, 90, 46, .12); }
.badge-back { color: var(--magenta); background: rgba(180, 51, 98, .1); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--radius-data);
  border: 1px solid transparent;
  font-size: 16px;
  line-height: 1;
  letter-spacing: .02em;
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
  text-decoration: none;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--copper); color: var(--paper); }
.btn-primary:hover { background: var(--teal); color: var(--paper); }
.btn-ghost { background: transparent; color: var(--copper-deep); border-color: var(--copper); }
.btn-ghost:hover { background: rgba(198, 90, 46, .12); }
.btn:disabled, .btn.is-disabled {
  background: #E4D9CE;
  color: #5E564F;
  border-color: transparent;
  cursor: not-allowed;
  transform: none;
}
.icon-btn, .nav-toggle {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: var(--sheet);
  color: var(--text);
  border-radius: var(--radius-data);
}
.icon-btn:hover, .nav-toggle:hover { border-color: var(--copper); color: var(--copper-deep); }
.only-mobile, .nav-toggle, .mobile-cta { display: none; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #FBF8F4;
  border-bottom: 1px solid var(--line);
  border-top: 3px solid var(--copper);
}
.site-header.is-compact { box-shadow: var(--shadow); }
.brand-row {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.site-header.is-compact .brand-row { min-height: 56px; }
.brand { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; }
.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--copper);
  color: var(--paper);
  border-radius: var(--radius-data);
  font-weight: 700;
  letter-spacing: -.04em;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-size: 16px; letter-spacing: -.03em; font-weight: 700; }
.brand-text small { color: var(--muted); font-size: 12px; }
.site-header.is-compact .brand-text small { display: none; }
.brand-tools { display: flex; align-items: center; gap: 8px; }
.tool-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 8px;
  color: var(--text);
  font-size: 14px;
}
.tool-link:hover { color: var(--teal); }
.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  min-height: 48px;
  border-top: 1px solid var(--line);
}
.site-nav a {
  position: relative;
  min-height: 44px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  color: var(--text);
  font-size: 15px;
}
.site-nav a:hover { color: var(--copper-deep); }
.site-nav a.is-active { color: var(--copper-deep); }
.site-nav a.is-active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 4px;
  height: 2px;
  background: var(--copper);
}
.hero { padding: 0; background: var(--paper); }
.slide { display: none; }
.slide.is-active { display: block; }
.slide-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.15fr);
  gap: 28px;
  align-items: center;
  padding: 28px 0 8px;
}
.slide-title {
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.22;
  letter-spacing: -.04em;
  font-weight: 700;
  margin: 8px 0 10px;
}
.slide-sub { font-size: 18px; line-height: 1.7; color: var(--text); margin-bottom: 18px; max-width: 20em; }
.slide-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.ba {
  position: relative;
  height: 460px;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--ink);
  box-shadow: var(--shadow);
}
.ba img { width: 100%; height: 100%; object-fit: cover; }
.ba::after {
  content: "";
  position: absolute;
  top: 16px;
  bottom: 16px;
  left: 50%;
  width: 1px;
  background: var(--copper);
}
.ba-cap {
  position: absolute;
  z-index: 1;
  bottom: 16px;
  width: min(46%, 240px);
  padding: 10px 12px;
  background: rgba(27, 22, 19, .82);
  color: var(--paper);
  border-radius: var(--radius-data);
}
.ba-cap b { display: block; font-size: 13px; letter-spacing: .06em; color: #F2C2AE; font-weight: 700; }
.ba-cap span { display: block; font-size: 14px; line-height: 1.55; }
.ba-cap-before { left: 16px; }
.ba-cap-after { right: 16px; }
.ba-cap-after b { color: #B7E2DA; }
.hero-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 0 8px;
}
.dots { display: flex; gap: 2px; }
.dot {
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  display: grid;
  place-items: center;
}
.dot i {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-data);
  background: rgba(36, 28, 24, .28);
  display: block;
}
.dot[aria-selected="true"] i { width: 22px; background: var(--copper); }
.ctrl-text {
  min-width: 72px;
  height: 44px;
  padding: 0 12px;
  border-radius: var(--radius-data);
  border: 1px solid var(--line);
  background: var(--sheet);
}
.ctrl-text:hover { border-color: var(--copper); color: var(--copper-deep); }
.hero-lead { padding: 8px 0 36px; }
.hero-lead p { max-width: 42em; margin: 0; color: var(--text); }
.claim-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.claim { padding: 22px 22px 22px 0; }
.claim + .claim { padding-left: 22px; border-left: 1px solid var(--line); }
.claim h3 { font-size: 20px; letter-spacing: -.03em; margin-bottom: 8px; }
.claim-metric { display: flex; align-items: baseline; gap: 8px; margin-bottom: 8px; }
.claim-metric b { font-size: 34px; letter-spacing: -.04em; color: var(--copper-deep); font-weight: 700; line-height: 1; }
.claim-metric span { color: var(--muted); }
.claim a { color: var(--teal); min-height: 44px; display: inline-flex; align-items: center; border-bottom: 1px solid rgba(30, 127, 114, .4); }
.claim a:hover { color: var(--copper-deep); border-color: var(--copper); }
.product-grid, .scene-grid, .case-grid, .story-grid, .consult-grid {
  display: grid;
  gap: 28px;
  align-items: center;
}
.product-grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); }
.scene-grid { grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); align-items: start; }
.case-grid { grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr); align-items: start; }
.story-grid { grid-template-columns: minmax(0, 1.35fr) minmax(0, .75fr); align-items: stretch; }
.consult-grid { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); align-items: start; }
.shot {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--ink);
}
.shot img { width: 100%; height: 100%; object-fit: cover; }
.product-shot { min-height: 420px; }
.spec {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 6.5em minmax(0, 1fr);
  gap: 8px 14px;
  padding: 16px;
  background: var(--sheet);
  border: 1px solid var(--line);
  border-radius: var(--radius-data);
}
.spec dt { color: var(--muted); }
.spec dd { margin: 0; overflow-wrap: anywhere; }
.bento {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 20px;
}
.cap {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .18s ease, box-shadow .18s ease;
}
.cap:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.cap img { width: 100%; height: 150px; object-fit: cover; }
.cap-body { padding: 16px 16px 18px; }
.cap h3 { font-size: 20px; letter-spacing: -.03em; margin-bottom: 6px; }
.cap p { color: var(--muted); font-size: 15px; line-height: 1.75; }
.cap-1 { grid-column: span 7; display: grid; grid-template-columns: 1.05fr .95fr; }
.cap-2 { grid-column: span 5; }
.cap-3, .cap-4, .cap-5 { grid-column: span 4; }
.cap-6 { grid-column: 5 / span 8; }
.cap-1 img { height: 100%; min-height: 230px; }
.plan-board { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .8fr); gap: 20px; }
.plan-side { display: grid; gap: 20px; }
.plan {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.plan-main { border-top: 4px solid var(--copper); }
.plan-side .plan:first-child { border-top: 4px solid var(--teal); }
.plan-side .plan:last-child { border-top: 4px solid var(--magenta); }
.plan img { width: 100%; height: 180px; object-fit: cover; }
.plan-side .plan img { height: 92px; }
.plan-body { padding: 16px 18px 18px; }
.plan h3 { font-size: 22px; letter-spacing: -.03em; margin-bottom: 8px; }
.plan p { color: var(--muted); font-size: 15px; line-height: 1.75; margin-bottom: 6px; }
.plan strong { color: var(--text); font-weight: 700; }
.step-list { display: grid; gap: 12px; }
.step-btn {
  text-align: left;
  width: 100%;
  min-height: 44px;
  padding: 12px 14px;
  border-radius: var(--radius-data);
  border: 1px solid var(--line);
  background: transparent;
  transition: border-color .18s ease, background .18s ease;
}
.step-btn:hover { border-color: var(--copper); }
.step-btn[aria-pressed="true"] { background: var(--sheet); border-color: var(--copper); box-shadow: var(--shadow); }
.step-btn b { display: block; font-size: 16px; letter-spacing: -.02em; }
.step-btn span { display: block; color: var(--muted); font-size: 14px; line-height: 1.7; }
.step-index { color: var(--copper); margin-right: 6px; }
.scene-frame {
  position: relative;
  min-height: 420px;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--ink);
  box-shadow: var(--shadow);
}
.scene-frame img { display: none; width: 100%; height: 420px; object-fit: cover; }
.scene-frame img.is-on { display: block; }
.scene-caption {
  position: absolute;
  left: 16px;
  bottom: 16px;
  max-width: min(80%, 360px);
  padding: 10px 12px;
  background: rgba(27, 22, 19, .8);
  color: var(--paper);
  border-radius: var(--radius-data);
  font-size: 14px;
  line-height: 1.6;
}
.case-side h2 { max-width: 10em; }
.case-list { display: grid; gap: 16px; }
.case-card {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  gap: 14px;
  padding: 12px;
  border-radius: var(--radius-card);
  background: rgba(243, 238, 231, .06);
  border: 1px solid rgba(243, 238, 231, .14);
}
.case-card img { width: 100%; height: 140px; object-fit: cover; border-radius: 12px; }
.case-card h3 { font-size: 18px; margin-bottom: 6px; }
.case-card p { color: rgba(243, 238, 231, .78); font-size: 15px; line-height: 1.7; }
.story-main, .story-side, .voice, .news-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.story-main img, .story-side img { width: 100%; object-fit: cover; }
.story-main img { height: 280px; }
.story-side img { height: 150px; }
.story-body, .voice, .news-body { padding: 18px; }
.quote {
  font-size: 22px;
  line-height: 1.7;
  letter-spacing: -.03em;
  margin-bottom: 12px;
}
.story-side .quote { font-size: 16px; }
.tagline { color: var(--muted); font-size: 14px; }
.metric-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-data);
  overflow: hidden;
}
.metric { padding: 22px 18px 20px; }
.metric + .metric { border-left: 1px solid rgba(243, 238, 231, .14); }
.metric-num {
  display: flex;
  align-items: baseline;
  gap: 6px;
  color: #F2C2AE;
  font-weight: 700;
  letter-spacing: -.04em;
  font-variant-numeric: tabular-nums;
}
.metric-num b { font-size: 40px; line-height: 1; }
.metric-unit { font-size: 16px; color: var(--paper); }
.metric-name { display: block; margin-top: 8px; color: rgba(243, 238, 231, .78); }
.voice-lead {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}
.voice-mark {
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-card);
  min-height: 140px;
  letter-spacing: -.04em;
  font-size: 28px;
}
.voice-split { display: grid; grid-template-columns: 1.25fr .75fr; gap: 16px; }
.voice h3 { font-size: 16px; margin-bottom: 6px; }
.voice p { color: var(--muted); }
.who { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; color: var(--text); font-size: 14px; }
.cmp { border: 1px solid var(--line); border-radius: var(--radius-data); overflow: hidden; background: var(--white); }
.cmp-row { display: grid; grid-template-columns: .7fr 1.15fr 1.15fr; }
.cmp-row > div { padding: 14px 16px; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
.cmp-row:last-child > div { border-bottom: 0; }
.cmp-head > div { background: var(--ink); color: var(--paper); border-bottom: 0; font-weight: 700; }
.cmp-head > div:last-child { color: #F2C2AE; }
.news-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 20px; }
.news-card:first-child { grid-row: span 2; }
.news-card img { width: 100%; height: 170px; object-fit: cover; }
.news-card:first-child img { height: 280px; }
.news-card time { color: var(--copper-deep); font-size: 13px; letter-spacing: .04em; }
.news-card h3 { font-size: 20px; letter-spacing: -.03em; margin: 6px 0; }
.news-card p { color: var(--muted); font-size: 15px; line-height: 1.75; }
.news-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); transition: transform .18s ease, box-shadow .18s ease; }
.layer-list { display: grid; gap: 12px; }
.layer {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  padding: 16px;
  background: var(--sheet);
  border: 1px solid var(--line);
  border-radius: var(--radius-data);
}
.layer b {
  width: 92px;
  min-height: 64px;
  display: grid;
  place-items: center;
  text-align: center;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-data);
  font-size: 14px;
  letter-spacing: .04em;
}
.layer:nth-child(2) b { background: var(--copper); }
.layer h3 { font-size: 18px; margin-bottom: 4px; }
.layer p { color: var(--muted); font-size: 15px; }
.acc { display: grid; gap: 10px; }
.acc-item { border: 1px solid var(--line); border-radius: var(--radius-data); background: var(--white); }
.acc-item.is-open { border-color: var(--copper); }
.acc-btn {
  width: 100%;
  min-height: 52px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-align: left;
  background: transparent;
  border: 0;
  font-weight: 700;
  letter-spacing: -.02em;
}
.acc-btn::after { content: "+"; color: var(--copper); font-size: 22px; line-height: 1; }
.acc-btn[aria-expanded="true"]::after { content: "–"; }
.acc-panel { padding: 0 16px 14px; color: var(--muted); }
.acc-panel[hidden] { display: none; }
.assure-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid rgba(243, 238, 231, .16);
  border-radius: var(--radius-data);
  overflow: hidden;
}
.assure { padding: 18px 16px 20px; background: rgba(243, 238, 231, .04); }
.assure + .assure { border-left: 1px solid rgba(243, 238, 231, .14); }
.assure em { display: block; color: #F2C2AE; font-style: normal; font-size: 13px; letter-spacing: .08em; margin-bottom: 6px; }
.assure h3 { font-size: 18px; margin-bottom: 6px; }
.assure p { color: rgba(243, 238, 231, .76); font-size: 15px; }
.prep { display: grid; gap: 10px; margin-top: 8px; }
.prep li {
  min-height: 44px;
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
.prep i {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  background: var(--copper);
  color: var(--paper);
  border-radius: var(--radius-data);
  font-style: normal;
  font-size: 13px;
}
.form {
  display: grid;
  gap: 12px;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: grid; gap: 6px; }
.field span { font-size: 14px; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-data);
  background: #fff;
  color: var(--text);
}
.field textarea { min-height: 110px; resize: vertical; }
.field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--copper) 50%), linear-gradient(135deg, var(--copper) 50%, transparent 50%);
  background-position: calc(100% - 18px) 19px, calc(100% - 12px) 19px;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--teal); }
.field-error { min-height: 1.2em; color: var(--magenta); font-size: 13px; line-height: 1.5; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--magenta); }
.form-status {
  min-height: 44px;
  display: none;
  align-items: center;
  padding: 10px 12px;
  background: var(--teal-soft);
  color: var(--teal);
  border-radius: var(--radius-data);
}
.form-status.is-on { display: flex; }
.site-footer { background: var(--ink); color: var(--paper); padding: 56px 0 28px; scroll-margin-top: var(--header-offset); }
.foot-grid { display: grid; grid-template-columns: 1.3fr .8fr 1.1fr .9fr; gap: 24px; }
.site-footer .brand-text small, .foot-note, .foot-links a, .foot-block p { color: rgba(243, 238, 231, .76); }
.foot-note { margin-top: 12px; max-width: 28em; font-size: 15px; }
.foot-block h2 { font-size: 16px; letter-spacing: -.02em; margin-bottom: 8px; }
.foot-links a { min-height: 44px; display: flex; align-items: center; }
.foot-links a:hover, .site-footer a:hover { color: #F2C2AE; }
.legal {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid rgba(243, 238, 231, .14);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: rgba(243, 238, 231, .68);
  font-size: 14px;
}
.dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 45;
  background: var(--ink);
  color: var(--paper);
  border-top: 2px solid var(--copper);
  transform: translateY(110%);
  transition: transform .2s ease;
}
.dock.is-on { transform: translateY(0); }
.dock-inner { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.dock a { min-height: 44px; display: inline-flex; align-items: center; }
.dock-phone { color: #F2C2AE; }
@media (max-width: 1200px) {
  .container { width: min(var(--container), calc(100% - 36px)); }
}
@media (max-width: 1024px) {
  :root { --space-section: 64px; --header-offset: 116px; }
  .tool-mail { display: none; }
  .slide-grid, .product-grid, .scene-grid, .case-grid, .story-grid, .consult-grid, .plan-board, .news-grid, .voice-lead, .voice-split { grid-template-columns: 1fr; }
  .news-card:first-child { grid-row: auto; }
  .bento { grid-template-columns: 1fr 1fr; }
  .cap-1, .cap-2, .cap-3, .cap-4, .cap-5, .cap-6 { grid-column: auto; }
  .cap-1 { grid-column: 1 / -1; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .ba, .scene-frame, .scene-frame img, .product-shot { height: auto; min-height: 280px; }
  .scene-frame img { height: 300px; }
}
@media (max-width: 768px) {
  :root { --space-section: 48px; --header-offset: 72px; }
  .brand-tools .tool-link, .brand-tools .btn { display: none; }
  .only-mobile, .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px 16px;
    background: #FBF8F4;
    border-top: 0;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .site-header.is-open .site-nav { display: flex; }
  .site-nav a { width: 100%; }
  .mobile-cta { display: inline-flex; margin-top: 6px; }
  .claim-row, .metric-band, .assure-row, .form-row, .bento, .case-card { grid-template-columns: 1fr; }
  .claim + .claim { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .metric + .metric, .assure + .assure { border-left: 0; border-top: 1px solid rgba(243, 238, 231, .14); }
  .cap-1 { grid-template-columns: 1fr; }
  .cmp-head { display: none; }
  .cmp-row { display: block; margin: 0 0 12px; border-bottom: 0; }
  .cmp { background: transparent; border: 0; }
  .cmp-row > div { display: block; background: var(--white); border: 1px solid var(--line); border-bottom: 0; }
  .cmp-row > div:first-child { border-radius: 4px 4px 0 0; }
  .cmp-row > div:last-child { border-bottom: 1px solid var(--line); border-radius: 0 0 4px 4px; margin-bottom: 12px; }
  .cmp-row > div::before { content: attr(data-label); display: block; color: var(--muted); font-size: 13px; }
  .foot-grid { grid-template-columns: 1fr; }
  .hero-lead { padding-bottom: 28px; }
}
@media (max-width: 520px) {
  .container { width: calc(100% - 28px); }
  .slide-actions, .dock-inner { align-items: stretch; }
  .dock-inner { flex-wrap: wrap; padding: 8px 0; }
  .ba-cap { position: static; width: auto; margin: 8px; }
  .ba { height: auto; display: grid; }
  .ba::after { display: none; }
  .ba img { height: 190px; }
}
@media (max-width: 375px) {
  :root { --space-section: 40px; }
  .container { width: calc(100% - 24px); }
  .section-title { font-size: 24px; }
  .spec { grid-template-columns: 1fr; }
  .brand-text strong { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}
