:root {
  --navy: #102a43;
  --tech-gray: #6b7785;
  --paper: #f7fafc;
  --ice: #dceff7;
  --accent: #5aa9c6;
  --accent-dark: #397f9a;
  --cta: #ffd665;
  --cta-dark: #f2bd3e;
  --ink: #243746;
  --line: #d6e2e8;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(16, 42, 67, 0.12);
  --shell: min(1180px, calc(100% - 48px));
  --text-note: .8125rem;
  --text-small: .875rem;
  --text-body: 1rem;
  --text-lead: 1.125rem;
  --title-card: 1.125rem;
  --title-section: clamp(2.25rem, 3.4vw, 3rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  padding-bottom: 86px;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  font-size: var(--text-body);
  line-height: 1.75;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.shell { width: var(--shell); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(214, 226, 232, 0.8);
  background: rgba(247, 250, 252, 0.9);
  backdrop-filter: blur(16px);
}
.header-inner { display: flex; align-items: center; min-height: 72px; gap: 34px; }
.brand { display: flex; align-items: center; gap: 14px; margin-right: auto; }
.brand img { width: 106px; height: 44px; object-fit: contain; }
.brand span { padding-left: 14px; border-left: 1px solid var(--line); color: var(--navy); font-size: var(--text-small); font-weight: 600; white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 30px; color: #526473; font-size: var(--text-small); }
.nav-links a { transition: color .2s ease; }
.nav-links a:hover { color: var(--accent-dark); }

.service-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 26px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 600;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.service-link:hover { transform: translateY(-2px); }
.service-link.compact { min-height: 42px; padding-inline: 23px; color: var(--navy); background: linear-gradient(110deg, #fff0ad 0%, var(--cta) 48%, #ffe598 100%); background-size: 200% 100%; box-shadow: 0 9px 22px rgba(176,126,19,.16); animation: cta-shimmer 3.4s ease-in-out infinite; }
.service-link.primary { position: relative; color: var(--navy); background: linear-gradient(110deg, #fff0ad 0%, var(--cta) 48%, #ffe598 100%); background-size: 200% 100%; box-shadow: 0 13px 28px rgba(176,126,19,.16), inset 0 1px rgba(255,255,255,.55); animation: cta-shimmer 3.4s ease-in-out infinite, cta-breathe 2.8s ease-in-out infinite; }
.service-link.primary:hover { background: linear-gradient(110deg, #fff4c4, #ffcd50); box-shadow: 0 17px 34px rgba(176,126,19,.22), inset 0 1px rgba(255,255,255,.62); }
.service-link.secondary { color: var(--navy); border-color: #a8c2ce; background: rgba(255,255,255,.55); }
.cta-arrow { gap: 10px; }
.cta-arrow::after { display: inline-block; color: currentColor; content: "›"; font-size: 24px; font-weight: 400; line-height: .8; transform: translateY(-1px); transition: transform .2s ease; }
.cta-arrow:hover::after { transform: translate(3px, -1px); }
@keyframes cta-shimmer { 0%, 70%, 100% { background-position: 100% 0; } 35% { background-position: 0 0; } }
@keyframes cta-breathe { 0%, 100% { box-shadow: 0 13px 28px rgba(176,126,19,.14), inset 0 1px rgba(255,255,255,.55); } 50% { box-shadow: 0 15px 34px rgba(176,126,19,.23), 0 0 0 5px rgba(255,214,101,.12), inset 0 1px rgba(255,255,255,.55); } }

.hero { position: relative; min-height: 730px; overflow: hidden; background: linear-gradient(120deg, #f9fcfd 0%, var(--paper) 48%, #e7f4f9 100%); }
.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: .38;
  background-image: linear-gradient(rgba(90,169,198,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(90,169,198,.08) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(90deg, transparent 0%, #000 62%, #000 100%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; min-height: 650px; padding-bottom: 104px; }
.hero-copy { position: relative; z-index: 2; padding: 76px 0 80px; }
.eyebrow, .section-index { margin: 0 0 15px; color: var(--accent-dark); font-size: var(--text-note); font-weight: 700; letter-spacing: .14em; }
.hero h1 { margin: 0; color: var(--navy); font-size: clamp(44px, 5vw, 70px); line-height: 1.12; letter-spacing: -.04em; }
.hero-subtitle { margin: 20px 0 0; color: #4b6170; font-size: clamp(1.25rem, 2vw, 1.625rem); }
.fact-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 30px 0 34px; }
.fact-row span { padding: 8px 15px; border: 1px solid #bdd5df; border-radius: 999px; color: var(--navy); background: rgba(255,255,255,.78); font-size: var(--text-small); font-weight: 600; box-shadow: 0 7px 18px rgba(16,42,67,.045); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.registration { margin: 22px 0 0; color: var(--tech-gray); font-size: 14px; }
.hero-visual { position: relative; display: grid; place-items: center; align-self: stretch; min-width: 0; }
.hero-visual img { position: relative; z-index: 2; width: min(460px, 76%); max-height: 570px; object-fit: contain; filter: drop-shadow(0 28px 35px rgba(16,42,67,.16)); }
.ice-disc { position: absolute; width: min(600px, 94%); aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #f9fdff 0 8%, var(--ice) 48%, #c9e5f0 100%); box-shadow: inset 0 0 0 1px rgba(255,255,255,.55); }
.model-tag { position: absolute; z-index: 3; right: 3%; bottom: 72px; min-width: 168px; padding: 16px 18px; border: 1px solid rgba(255,255,255,.9); border-radius: 12px; background: rgba(255,255,255,.82); box-shadow: var(--shadow); backdrop-filter: blur(12px); }
.model-tag span { display: block; color: var(--tech-gray); font-size: var(--text-note); }
.model-tag strong { display: block; color: var(--navy); font-size: 1.375rem; line-height: 1.35; }
.hero-credentials { position: absolute; z-index: 5; right: 0; bottom: 24px; left: 0; display: grid; grid-template-columns: 1fr 1.35fr 1.1fr 1.35fr; overflow: hidden; border: 1px solid rgba(192,216,226,.95); border-radius: 14px; background: rgba(255,255,255,.94); box-shadow: 0 18px 54px rgba(16,42,67,.11); backdrop-filter: blur(14px); }
.hero-credentials div { position: relative; min-width: 0; padding: 17px 20px 18px; }
.hero-credentials div + div::before { position: absolute; top: 16px; bottom: 16px; left: 0; width: 1px; background: var(--line); content: ""; }
.hero-credentials span { display: block; margin-bottom: 3px; color: var(--accent-dark); font-size: var(--text-note); font-weight: 700; letter-spacing: .04em; }
.hero-credentials strong { display: block; overflow-wrap: anywhere; color: var(--navy); font-size: var(--text-small); line-height: 1.5; }
.hero-credentials .credential-warning { grid-column: 1 / -1; margin: 0; padding: 8px 20px; border-top: 1px solid #e2ebef; color: #6a7a84; background: rgba(250,252,253,.92); font-size: var(--text-note); line-height: 1.55; }

.quick-facts { position: relative; z-index: 4; padding-top: 28px; }
.quick-facts-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid rgba(214,226,232,.92); border-radius: 14px; background: rgba(255,255,255,.94); box-shadow: 0 18px 52px rgba(16,42,67,.09); backdrop-filter: blur(14px); }
.quick-facts-grid div { position: relative; padding: 22px 26px; }
.quick-facts-grid div + div::before { position: absolute; top: 20px; bottom: 20px; left: 0; width: 1px; background: var(--line); content: ""; }
.quick-facts-grid span { display: block; color: var(--tech-gray); font-size: 13px; }
.quick-facts-grid strong { display: block; margin-top: 3px; color: var(--navy); font-size: 17px; }

.section { padding: 104px 0; }
.section-heading { margin-bottom: 44px; }
.section-heading.centered { max-width: 680px; margin-inline: auto; text-align: center; }
.section-heading p:last-child { margin: 12px 0 0; color: var(--tech-gray); }
h2 { margin: 0; color: var(--navy); font-size: var(--title-section); line-height: 1.25; letter-spacing: -.025em; }
.function-stage { display: grid; grid-template-columns: 1fr 1fr; min-height: 570px; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: var(--white); box-shadow: 0 22px 70px rgba(16,42,67,.08); }
.function-copy { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: 58px 54px; }
.function-code { margin-bottom: 18px; color: var(--accent); font-size: 64px; font-weight: 700; line-height: 1; letter-spacing: -.06em; }
.function-copy h3 { margin: 0; color: var(--navy); font-size: 1.75rem; line-height: 1.3; }
.function-intro { margin: 20px 0 24px; color: #506572; font-size: var(--text-body); }
.function-points { width: 100%; margin-bottom: 30px; border-top: 1px solid var(--line); }
.function-points > div { display: grid; grid-template-columns: 42px 1fr; gap: 14px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.function-points span { color: var(--accent-dark); font-size: 13px; font-weight: 700; }
.function-points p { margin: 0; color: #64737d; }
.function-points strong { display: block; color: var(--navy); font-size: var(--text-body); }
.function-device { position: relative; display: grid; place-items: center; overflow: hidden; background: linear-gradient(145deg, #eef7fa, var(--ice)); }
.function-device::after { position: absolute; top: 28px; right: 30px; color: rgba(16,42,67,.09); content: "KAS6800"; font-size: 52px; font-weight: 700; letter-spacing: -.04em; }
.function-halo { position: absolute; width: 470px; aspect-ratio: 1; border: 1px solid rgba(90,169,198,.38); border-radius: 50%; box-shadow: 0 0 0 54px rgba(255,255,255,.22), 0 0 0 108px rgba(255,255,255,.15); }
.function-device img { position: relative; z-index: 2; width: min(420px, 72%); max-height: 500px; object-fit: contain; filter: drop-shadow(0 30px 34px rgba(16,42,67,.18)); }
.section-note { margin: 18px 0 0; color: var(--tech-gray); font-size: var(--text-note); }
.product-overview { display: grid; grid-template-columns: .72fr 1.28fr; min-height: 380px; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: var(--white); box-shadow: 0 20px 60px rgba(16,42,67,.07); }
.overview-lead { position: relative; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; padding: 44px 38px; color: var(--white); background: linear-gradient(145deg, var(--navy), #1f5572); }
.overview-lead::after { position: absolute; top: -86px; right: -84px; width: 260px; aspect-ratio: 1; border: 52px solid rgba(220,239,247,.09); border-radius: 50%; content: ""; }
.overview-number { position: absolute; top: 34px; left: 36px; color: rgba(255,255,255,.16); font-size: 88px; font-weight: 700; line-height: 1; letter-spacing: -.06em; }
.overview-lead h3 { position: relative; z-index: 1; margin: 0; font-size: 29px; line-height: 1.45; }
.overview-lead p { position: relative; z-index: 1; margin: 13px 0 0; color: #bcd9e5; }
.info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; padding: 24px; }
.info-card { min-height: 160px; padding: 28px 24px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); box-shadow: 0 10px 32px rgba(16,42,67,.045); }
.info-card:nth-child(1), .info-card:nth-child(2) { margin-bottom: 8px; }
.info-card:nth-child(odd) { margin-right: 8px; }
.info-card::before { display: block; width: 34px; height: 3px; margin-bottom: 30px; border-radius: 3px; background: var(--accent); content: ""; }
.info-card span { display: block; margin-bottom: 10px; color: var(--tech-gray); font-size: 14px; }
.info-card strong { color: var(--navy); font-size: 18px; line-height: 1.55; }
.center-action { display: flex; justify-content: center; margin-top: 40px; }

.detail-section { overflow: hidden; background: var(--ice); }
.detail-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 80px; }
.detail-image-wrap { position: relative; min-height: 570px; display: grid; place-items: center; }
.detail-image-wrap::before { position: absolute; width: 520px; aspect-ratio: 1; border-radius: 50%; background: rgba(255,255,255,.72); content: ""; }
.detail-image-wrap img { position: relative; z-index: 1; width: min(520px, 92%); max-height: 590px; object-fit: contain; filter: drop-shadow(0 30px 38px rgba(16,42,67,.13)); }
.detail-copy > p:not(.section-index):not(.source-note):not(.inline-note) { margin: 25px 0 12px; color: #405867; font-size: 18px; }
.source-note { margin: 0 0 30px; color: var(--tech-gray); font-size: 14px; }
.selling-points { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 28px 0 30px; }
.selling-points article { display: grid; grid-template-columns: 38px 1fr; gap: 10px; min-height: 112px; padding: 18px 16px; border: 1px solid #bcd5df; border-radius: 10px; background: rgba(255,255,255,.4); }
.selling-points article > span { color: var(--accent-dark); font-size: 12px; font-weight: 700; }
.selling-points strong { display: block; color: var(--navy); font-size: var(--text-body); line-height: 1.5; }
.selling-points p { margin: 7px 0 0; color: #637782; font-size: var(--text-small); line-height: 1.55; }
.inline-note { margin: 18px 0 0; color: #607581; font-size: var(--text-note); line-height: 1.6; }
.detail-list { margin: 0 0 34px; border-top: 1px solid #bcd5df; }
.detail-list div { display: grid; grid-template-columns: 100px 1fr; gap: 18px; padding: 14px 0; border-bottom: 1px solid #bcd5df; }
.detail-list dt { color: var(--tech-gray); }
.detail-list dd { margin: 0; color: var(--navy); font-weight: 600; }
.detail-ribbon { display: grid; grid-template-columns: 1fr 1fr 1.35fr; margin-top: 58px; overflow: hidden; border: 1px solid rgba(155,197,213,.72); border-radius: 12px; background: rgba(255,255,255,.48); }
.detail-ribbon div { position: relative; padding: 19px 24px; }
.detail-ribbon div + div::before { position: absolute; top: 17px; bottom: 17px; left: 0; width: 1px; background: #bcd5df; content: ""; }
.detail-ribbon span { display: block; color: var(--tech-gray); font-size: 13px; }
.detail-ribbon strong { display: block; margin-top: 3px; color: var(--navy); font-size: 15px; }

.scene-section { background: var(--white); }
.scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.scene-card { position: relative; min-height: 238px; margin: 0; overflow: hidden; border-radius: 12px; background: var(--navy); box-shadow: 0 14px 34px rgba(16,42,67,.11); }
.scene-card img { width: 100%; height: 100%; min-height: 238px; object-fit: cover; transition: transform .5s ease; }
.scene-card:hover img { transform: scale(1.035); }
.scene-card::after { position: absolute; inset: 35% 0 0; background: linear-gradient(transparent, rgba(7,30,48,.9)); content: ""; }
.scene-card figcaption { position: absolute; z-index: 2; right: 18px; bottom: 17px; left: 18px; color: var(--white); }
.scene-card figcaption span { color: #9ed7e8; font-size: 13px; font-weight: 700; letter-spacing: .12em; }
.scene-card h3 { margin: 4px 0 1px; color: var(--white); font-size: var(--title-card); }
.scene-card p { margin: 0; color: #d2e5ed; font-size: var(--text-note); }

.faq-section { background: var(--paper); }
.faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 90px; }
.faq-intro > p:not(.section-index) { margin: 16px 0 28px; color: var(--tech-gray); }
.accordion { border-top: 1px solid var(--line); }
.accordion details { border-bottom: 1px solid var(--line); }
.accordion summary { position: relative; padding: 24px 50px 24px 0; color: var(--navy); font-size: var(--text-lead); font-weight: 600; cursor: pointer; list-style: none; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { position: absolute; top: 25px; right: 4px; color: var(--accent-dark); content: "+"; font-size: 24px; line-height: 1; }
.accordion details[open] summary::after { content: "−"; }
.accordion details p { margin: -4px 0 24px; color: #5c6b76; }

.contact-section { padding: 58px 0 20px; color: #e8f1f5; background: var(--navy); }
.contact-grid { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 60px; }
.section-index.light { color: #98ccdc; }
.contact-copy h2 { color: var(--white); }
.contact-copy > p:not(.section-index):not(.price-note) { margin: 16px 0 30px; color: #bfd0da; font-size: var(--text-body); }
.contact-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.light-button { color: var(--navy); background: var(--white); box-shadow: 0 12px 28px rgba(0,0,0,.18); }
.light-button.cta-arrow::after { color: var(--cta-dark); }
.outline-button { color: var(--white); border-color: rgba(255,255,255,.46); background: transparent; }
.price-note { max-width: 660px; margin: 18px 0 0; color: #afc2cc; font-size: var(--text-small); }
.qr-block { display: grid; justify-items: center; gap: 7px; padding: 12px; border-radius: 10px; background: var(--white); color: var(--navy); font-size: 13px; }
.qr-block img { width: 88px; height: 88px; }
.footer-line { margin-top: 32px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.14); color: #9eb2bd; font-size: var(--text-note); }
.footer-line p { margin: 0; }
.footer-line a { margin-left: 8px; color: #d5e2e8; }
.footer-line a:hover { color: var(--white); }
.footer-divider { margin-left: 8px; }

.mobile-service { position: fixed; z-index: 60; bottom: 18px; left: 50%; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; width: min(660px, calc(100% - 40px)); padding: 10px 11px 10px 20px; border: 1px solid rgba(186,207,216,.9); border-radius: 14px; background: rgba(255,255,255,.94); box-shadow: 0 18px 48px rgba(16,42,67,.18); opacity: 0; transform: translate(-50%, calc(100% + 42px)); pointer-events: none; backdrop-filter: blur(16px); transition: opacity .25s ease, transform .34s ease; }
.mobile-service.is-visible { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
.sticky-copy { display: flex; align-items: baseline; gap: 12px; min-width: 0; }
.sticky-copy strong { color: var(--navy); font-size: var(--text-body); white-space: nowrap; }
.sticky-copy span { overflow: hidden; color: var(--tech-gray); font-size: var(--text-note); text-overflow: ellipsis; white-space: nowrap; }
.mobile-service > a { display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 22px; border-radius: 9px; color: var(--navy); background: linear-gradient(110deg, #f4d98e, var(--cta)); font-weight: 700; box-shadow: 0 8px 20px rgba(151,110,28,.18); }
.mobile-service > a span { font-size: 23px; line-height: 1; }
.service-toast { position: fixed; z-index: 80; left: 50%; bottom: 30px; padding: 10px 18px; border-radius: 8px; color: var(--white); background: rgba(16,42,67,.94); opacity: 0; transform: translate(-50%, 20px); pointer-events: none; transition: opacity .2s ease, transform .2s ease; }
.service-toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 1020px) {
  .nav-links { display: none; }
  .hero-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 50px; }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-grid { gap: 42px; }
  .detail-image-wrap { min-height: 500px; }
  .faq-layout { gap: 52px; }
  .quick-facts-grid { grid-template-columns: repeat(2, 1fr); }
  .quick-facts-grid div:nth-child(3)::before { display: none; }
  .quick-facts-grid div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .product-overview { grid-template-columns: .8fr 1.2fr; }
  .function-stage { grid-template-columns: 1fr 1fr; }
  .detail-ribbon { grid-template-columns: 1fr; }
  .detail-ribbon div + div::before { top: 0; right: 20px; bottom: auto; left: 20px; width: auto; height: 1px; }
  .hero-credentials { grid-template-columns: 1fr 1fr; }
  .hero-credentials div:nth-child(3)::before { display: none; }
  .hero-credentials div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .mobile-service { bottom: 10px; width: calc(100% - 24px); padding-bottom: calc(10px + env(safe-area-inset-bottom)); }
  .service-toast { bottom: 88px; }
}

@media (max-width: 760px) {
  :root { --shell: min(100% - 32px, 680px); }
  .header-inner { min-height: 64px; }
  .brand img { width: 88px; height: 38px; }
  .service-link.compact { min-height: 40px; padding-inline: 15px; }
  .hero { min-height: auto; padding-bottom: 28px; }
  .hero-grid { grid-template-columns: 1fr; min-height: auto; padding: 28px 0 0; }
  .hero-copy { padding: 52px 0 12px; }
  .hero h1 { font-size: clamp(40px, 12vw, 56px); }
  .hero-subtitle { font-size: 20px; }
  .fact-row { margin-block: 24px 28px; }
  .hero-actions .service-link { flex: 1 1 140px; }
  .hero-visual { min-height: 470px; }
  .hero-visual img { width: min(360px, 76%); max-height: 440px; }
  .ice-disc { width: min(470px, 105%); }
  .model-tag { right: 1%; bottom: 52px; min-width: 142px; padding: 12px 15px; }
  .hero-credentials { position: relative; right: auto; bottom: auto; left: auto; margin-top: 4px; }
  .section { padding: 76px 0; }
  .function-stage { grid-template-columns: 1fr; }
  .function-copy { padding: 40px 28px; }
  .function-code { font-size: 52px; }
  .function-device { min-height: 520px; }
  .scene-grid { display: flex; gap: 14px; overflow-x: auto; padding: 2px 2px 16px; scroll-snap-type: x mandatory; }
  .scene-card { flex: 0 0 min(78vw, 330px); scroll-snap-align: start; }
  .quick-facts { padding-top: 22px; }
  .quick-facts-grid div { padding: 17px 18px; }
  .quick-facts-grid strong { font-size: 15px; }
  .product-overview { grid-template-columns: 1fr; }
  .overview-lead { min-height: 260px; padding: 36px 26px; }
  .overview-lead h3 { font-size: 25px; }
  .info-grid { padding: 14px; }
  .info-card { min-height: 145px; padding: 22px 18px; }
  .info-card strong { font-size: 16px; }
  .detail-grid { grid-template-columns: 1fr; gap: 30px; }
  .detail-image-wrap { min-height: 430px; }
  .detail-image-wrap img { max-height: 460px; }
  .detail-copy > p:not(.section-index):not(.source-note) { font-size: 16px; }
  .scene-card, .scene-card img { min-height: 230px; }
  .faq-layout { grid-template-columns: 1fr; gap: 34px; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .qr-block { justify-self: start; }
  .footer-line { line-height: 1.8; }
}

@media (max-width: 390px) {
  .info-grid, .scene-grid { grid-template-columns: 1fr; }
  .info-card:nth-child(1), .info-card:nth-child(2), .info-card:nth-child(odd) { margin: 0 0 8px; }
  .quick-facts-grid { grid-template-columns: 1fr; }
  .quick-facts-grid div + div::before { top: 0; right: 16px; bottom: auto; left: 16px; width: auto; height: 1px; }
  .quick-facts-grid div:nth-child(3)::before { display: block; }
  .quick-facts-grid div:nth-child(n+3) { border-top: 0; }
  .hero-visual { min-height: 410px; }
}

@media (max-width: 560px) {
  .brand span { display: none; }
  .sticky-copy span { display: none; }
  .mobile-service { grid-template-columns: 1fr auto; gap: 12px; padding-left: 15px; }
  .mobile-service > a { padding-inline: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}