/* Hongke: restrained product-led design, inspired by Xiaomi's storefront rhythm. */
:root {
  --paper: #fff; --surface: #f5f5f5; --ink: #191919; --muted: #666;
  --line: #e6e6e6; --accent: #ff6900; --accent-text: #b94700;
  --dark: #191919; --radius: 4px; --content: 1280px;
  --font: "MiSans", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 96px; color-scheme: light; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.65 var(--font); -webkit-font-smoothing: antialiased; }
[hidden] { display: none !important; }
button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button, select { cursor: pointer; }
button { color: inherit; }
button:disabled { cursor: wait; opacity: .6; }
button, a { transition: color .18s, background-color .18s, border-color .18s, opacity .18s; }
:focus-visible { outline: 3px solid var(--accent-text); outline-offset: 5px; }
main:focus, h1:focus { outline: none; }
img { display: block; max-width: 100%; height: auto; }
svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3 { line-height: 1.3; text-wrap: balance; font-weight: 600; }
h1 { font-size: clamp(36px, 4.6vw, 64px); letter-spacing: -.055em; }
h2 { font-size: clamp(28px, 3vw, 40px); letter-spacing: -.04em; }
h3 { font-size: 24px; letter-spacing: -.025em; }
p { overflow-wrap: anywhere; }
.container { width: min(var(--content), calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 100; background: var(--paper); padding: 12px 20px; }
.skip-link:focus { top: 8px; }
.utility-bar { height: 32px; background: #292929; color: #c6c6c6; font-size: 12px; }
.utility-inner, .utility-inner>div { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.utility-inner a:hover { color: #fff; }
.utility-divider { height: 12px; width: 1px; background: #666; }
.site-header { position: sticky; top: 0; z-index: 40; background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner { height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.brand { display: flex; align-items: center; flex-shrink: 0; }
.brand img { height: 50px; width: auto; object-fit: contain; }
.brand-fallback { font-weight: 700; font-size: 26px; }
.desktop-nav { display: flex; align-items: stretch; align-self: stretch; gap: 36px; margin-left: auto; margin-right: auto; }
.desktop-nav>a { display: flex; align-items: center; position: relative; font-size: 14px; white-space: nowrap; }
.desktop-nav>a:hover, .desktop-nav>a[aria-current="page"] { color: var(--accent-text); }
.desktop-nav>a[aria-current="page"]:after { position: absolute; content: ""; bottom: 0; left: 0; right: 0; height: 2px; background: var(--accent); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 10px; min-height: 48px; padding: 10px 28px; background: var(--ink); color: #fff; border: 1px solid var(--ink); border-radius: var(--radius); font-size: 14px; font-weight: 500; text-align: center; }
.button:hover { background: #3a3a3a; border-color: #3a3a3a; }
.button-small { min-height: 40px; padding: 7px 20px; }
.button-orange { background: var(--accent); border-color: var(--accent); color: #241000; }
.button-orange:hover { background: #ed6000; border-color: #ed6000; }
.button-outline { background: transparent; border-color: #a0a0a0; color: var(--ink); }
.button-outline:hover { background: var(--ink); color: white; border-color: var(--ink); }
.button-light { background: #fff; border-color: #fff; color: var(--ink); }
.button-light:hover { background: #eee; border-color: #eee; }
.text-link { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; font-size: 14px; }
.text-link svg { width: 17px; height: 17px; }
.text-link:hover { color: var(--accent-text); }
.icon-button { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 50%; background: white; flex-shrink: 0; }
.icon-button:hover { background: #ececec; }
.menu-button { display: none; border: 0; border-radius: 4px; }
.mobile-nav { padding: 8px 24px 20px; border-top: 1px solid var(--line); max-height: calc(100dvh - 72px); overflow: auto; }
.mobile-nav a { display: block; padding: 12px 0; }
.mobile-nav a[aria-current="page"] { color: var(--accent-text); }
.hero { position: relative; min-height: 540px; height: min(43vw, 640px); overflow: hidden; background: #e7ecee; isolation: isolate; }
.hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.hero-inner { height: 100%; min-height: inherit; display: flex; align-items: center; }
.hero-copy { padding-bottom: 12px; max-width: 49%; }
.hero-label { font-size: 16px; margin-bottom: 22px; font-weight: 500; }
.hero h1 { max-width: 9em; }
.hero-subtitle { color: #4b5156; font-size: 18px; margin-top: 22px; max-width: 27em; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; margin-top: 34px; }
.hero-actions .text-link { font-size: 15px; }
.hero[data-theme="dark"] { color: #fff; background: #222; }
.hero[data-theme="dark"]:before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg,rgba(0,0,0,.78),rgba(0,0,0,.25)); }
.hero[data-theme="dark"] .hero-subtitle { color: #ededed; }
.hero[data-theme="dark"] .text-link:hover { color: #ffd5b7; }
.hero-controls { position: absolute; bottom: 22px; left: 0; right: 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.hero-pagination { display: flex; align-items: center; gap: 6px; }
.slide-dot { min-height: 44px; padding: 14px 5px; width: 44px; background: none; border: 0; }
.slide-dot:after { content: ""; display: block; height: 3px; background: #8b9296; border-radius: 2px; }
.slide-dot[aria-pressed="true"]:after { background: var(--ink); }
.hero[data-theme="dark"] .slide-dot:after { background: #aaa; }
.hero[data-theme="dark"] .slide-dot[aria-pressed="true"]:after { background: white; }
.hero-controls-right { display: flex; align-items: center; gap: 10px; }
.hero-note { font-size: 12px; color: #4f565b; margin-right: 12px; padding: 2px 6px; background: rgba(255,255,255,.8); }
.hero-controls .icon-button { width: 44px; height: 44px; background: rgba(255,255,255,.85); border: none; color: #191919; }
.category-strip { background: white; }
.category-grid { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); padding: 32px 0; }
.category-item { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 6px 14px; text-align: center; font-size: 14px; }
.category-item svg { width: 37px; height: 37px; stroke-width: 1.2; }
.category-item:hover { color: var(--accent-text); }
.section { padding: 76px 0; }
.surface { background: var(--surface); }
.section-heading { text-align: center; margin-bottom: 30px; }
.section-heading p { margin-top: 12px; color: var(--muted); font-size: 16px; }
.section-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 32px; }
.section-heading-row p { margin-top: 10px; color: var(--muted); }
.filters { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 12px 30px; margin-bottom: 32px; }
.filter { border: 0; border-bottom: 2px solid transparent; background: transparent; padding: 10px 2px; min-height: 44px; color: var(--muted); font-size: 15px; }
.filter:hover, .filter[aria-pressed="true"] { color: var(--accent-text); }
.filter[aria-pressed="true"] { border-bottom-color: var(--accent); }
.product-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.product-card { background: var(--paper); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; min-width: 0; border: 1px solid transparent; }
.product-card:hover { border-color: #bbb; }
.product-image { aspect-ratio: 1.6; overflow: hidden; background: #e9ebed; }
.product-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s; }
.product-card:hover .product-image img { transform: scale(1.025); }
.product-body { padding: 26px 24px 22px; text-align: center; display: flex; flex-direction: column; align-items: center; flex: 1; }
.product-body h3 { font-size: 23px; }
.product-body p { color: var(--muted); font-size: 14px; margin-top: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; max-width: 25em; }
.product-body .text-link { color: var(--accent-text); margin-top: 12px; }
.product-tag { font-size: 12px; color: var(--accent-text); margin-bottom: 8px; }
.center-action { margin-top: 32px; text-align: center; }
.center-action .button { min-width: 180px; }
.feature-pair { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; margin-top: 18px; }
.feature-panel { position: relative; min-height: 370px; padding: 34px; overflow: hidden; color: white; background: #252525; display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-end; isolation: isolate; }
.feature-panel img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.feature-panel:after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg,rgba(0,0,0,.82),rgba(0,0,0,.04) 85%); z-index: -1; }
.feature-panel h3 { font-size: 30px; }
.feature-panel p { margin: 10px 0 8px; color: #eee; font-size: 14px; }
.feature-panel .text-link:hover { color: #ffd1b0; }
.scene-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; }
.scene-card { min-width: 0; }
.scene-image { aspect-ratio: 1.4; overflow: hidden; background: #e9ebed; }
.scene-image img { width: 100%; height: 100%; object-fit: cover; }
.scene-copy { padding-top: 22px; }
.scene-copy h3 { font-size: 23px; }
.scene-copy p { font-size: 14px; margin-top: 8px; color: var(--muted); }
.scene-copy .text-link { margin-top: 5px; }
.about-feature { background: #e9eceb; display: grid; grid-template-columns: 1fr 1fr; }
.about-feature-image { min-height: 450px; height: 100%; width: 100%; object-fit: cover; }
.about-feature-copy { padding: 60px clamp(32px,5vw,80px); display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.about-feature-copy>span { color: #555; font-size: 14px; margin-bottom: 22px; }
.about-feature-copy p { color: #565b58; margin-top: 22px; font-size: 15px; line-height: 1.9; max-width: 38em; }
.about-feature-copy .text-link { margin-top: 20px; }
.stats { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); padding: 48px 0; }
.stat { padding: 12px 20px; text-align: center; }
.stat+.stat { border-left: 1px solid var(--line); }
.stat strong { display: block; font-size: 38px; font-weight: 500; line-height: 1.25; letter-spacing: -.035em; font-variant-numeric: tabular-nums; }
.stat span { display: block; font-size: 14px; color: var(--muted); margin-top: 12px; }
.consult-band { text-align: center; padding: 66px 24px; background: #202020; color: white; }
.consult-band p { color: #c0c0c0; margin: 16px auto 26px; font-size: 16px; max-width: 42em; }
.service-strip { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); padding: 30px 0; border-bottom: 1px solid var(--line); gap: 20px; }
.service-item { display: flex; align-items: center; justify-content: center; gap: 13px; font-size: 15px; color: #555; }
.service-item svg { width: 26px; height: 26px; }
.site-footer { background: var(--paper); }
.footer-main { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.5fr; gap: 36px; padding: 48px 0; }
.footer-main h3 { font-size: 14px; font-weight: 500; margin-bottom: 18px; }
.footer-main ul { list-style: none; margin: 0; padding: 0; }
.footer-main li { font-size: 12px; color: var(--muted); margin-top: 12px; overflow-wrap: anywhere; }
.footer-main a:hover { color: var(--accent-text); }
.footer-brand { font-size: 24px; font-weight: 700; }
.footer-description { font-size: 12px; color: var(--muted); margin-top: 14px; }
.footer-phone { display: block; font-size: 25px; letter-spacing: -.02em; margin-bottom: 10px; }
.footer-contact { border-left: 1px solid var(--line); padding-left: 36px; }
.footer-contact .button { margin-top: 12px; }
.footer-bottom { padding: 22px 0; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 20px; font-size: 12px; color: var(--muted); }
.back-top { position: fixed; right: 22px; bottom: 24px; z-index: 30; border-radius: 4px; box-shadow: 0 2px 10px #0000000a; }
.page-intro { padding: 66px 0 50px; text-align: center; background: var(--surface); }
.page-intro h1 { font-size: clamp(36px,4vw,52px); }
.page-intro p { color: var(--muted); margin: 18px auto 0; max-width: 42em; }
.breadcrumb { display: flex; align-items: center; gap: 10px; padding: 26px 0; font-size: 13px; color: var(--muted); flex-wrap: wrap; }
.breadcrumb svg { width: 14px; height: 14px; }
.breadcrumb a:hover { color: var(--accent-text); }
.catalog-controls { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; margin-bottom: 32px; }
.catalog-controls .filters { margin-bottom: 0; justify-content: flex-start; gap: 24px; }
.search-form { display: flex; align-items: center; background: white; border: 1px solid #aaa; border-radius: 4px; max-width: 100%; }
.search-form input { min-width: 0; width: 205px; border: 0; background: transparent; padding: 10px 14px; }
.search-form button { border: 0; border-left: 1px solid var(--line); border-radius: 0; }
.results-count { color: var(--muted); font-size: 13px; margin-bottom: 18px; }
.product-detail { display: grid; grid-template-columns: 1.15fr 1fr; gap: 72px; align-items: center; padding: 8px 0 68px; }
.detail-visual { aspect-ratio: 1.12; background: var(--surface); overflow: hidden; }
.detail-visual img { width: 100%; height: 100%; object-fit: cover; }
.detail-copy h1 { font-size: clamp(34px,3.6vw,50px); }
.detail-copy>p { color: var(--muted); margin-top: 22px; line-height: 1.9; }
.spec-highlights { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; margin: 32px 0; }
.spec-highlight strong { display: block; font-size: 25px; font-weight: 500; overflow-wrap: anywhere; }
.spec-highlight span { display: block; color: var(--muted); font-size: 13px; }
.button-row { display: flex; gap: 12px; flex-wrap: wrap; }
.detail-features { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 36px; }
.detail-feature { border-top: 1px solid #bdbdbd; padding-top: 24px; }
.detail-feature h3 { font-size: 20px; margin-bottom: 10px; }
.detail-feature p { color: var(--muted); font-size: 15px; }
.spec-table { width: 100%; max-width: 900px; margin: 0 auto; border-collapse: collapse; font-size: 15px; text-align: left; }
.spec-table caption { text-align: left; color: var(--muted); padding-bottom: 18px; font-size: 14px; }
.spec-table th, .spec-table td { padding: 20px 24px; border-bottom: 1px solid var(--line); }
.spec-table th { width: 40%; font-weight: 500; background: var(--surface); }
#technical-specs { scroll-margin-top: 96px; }
.application-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 32px; }
.application-tags span { padding: 12px 24px; background: var(--surface); border: 1px solid var(--line); font-size: 14px; }
.about-story { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-story img { width: 100%; aspect-ratio: 1.1; object-fit: cover; }
.about-story p { white-space: pre-line; color: var(--muted); line-height: 1.95; margin-top: 24px; font-size: 15px; }
.contact-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; align-items: start; }
.contact-lead { font-size: 16px; color: var(--muted); margin-top: 16px; max-width: 26em; }
.contact-list { margin: 38px 0 0; }
.contact-list>div { padding: 20px 0; border-bottom: 1px solid var(--line); }
.contact-list dt { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.contact-list dd { margin: 0; overflow-wrap: anywhere; }
.contact-list a:hover { color: var(--accent-text); }
.contact-list .phone { font-size: 30px; }
.inquiry-form { background: var(--surface); padding: 36px; }
.inquiry-form h2 { font-size: 28px; }
.form-intro { font-size: 13px; color: var(--muted); margin: 10px 0 28px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field-full { grid-column: 1 / -1; }
.field label { display: block; font-size: 14px; margin-bottom: 8px; }
.field label span { color: var(--accent-text); }
.field input, .field textarea, .field select { width: 100%; padding: 12px 14px; min-height: 48px; border: 1px solid #999; background: white; color: var(--ink); border-radius: 2px; font-size: 16px; }
.field textarea { resize: vertical; min-height: 130px; }
.field input[aria-invalid="true"] { border-color: #b42318; }
.field-error { font-size: 13px; color: #b42318; margin-top: 6px; }
.form-note { font-size: 12px; color: var(--muted); margin: 18px 0; }
.form-submit { width: 100%; }
.form-status { font-size: 14px; margin-top: 14px; }
.form-status[data-state="error"] { color: #b42318; }
.form-status[data-state="success"] { color: #21653b; }
.loading-state, .empty-state { text-align: center; padding: 110px 24px; color: var(--muted); }
.empty-state h1, .empty-state h2 { color: var(--ink); margin-bottom: 14px; }
.empty-state .button { margin-top: 24px; }
.loading-dot { display: inline-block; width: 8px; height: 8px; background: var(--accent); border-radius: 50%; margin-right: 12px; }
.image-unavailable { object-fit: contain !important; padding: 24px; background: #e9ecee; }
@media (min-width: 1700px) { .hero-copy { max-width: 46%; } }
@media (max-width: 1100px) {
  .container { width: calc(100% - 64px); }
  .desktop-nav { gap: 24px; }
  .header-inner { gap: 22px; }
  .brand img { height: 32px; width: auto; }
  .hero { height: 530px; }
  .hero h1 { font-size: 50px; }
  .hero-subtitle { font-size: 16px; }
  .hero-actions { gap: 18px; }
  .product-detail { gap: 36px; }
  .contact-layout { gap: 45px; }
  .footer-main { gap: 24px; }
}
@media (max-width: 850px) {
  .desktop-nav { display: none; }
  .menu-button { display: inline-flex; }
  .header-inner { height: 72px; }
  .brand img { height: 39px; width: auto; }
  .hero { min-height: 510px; }
  .hero-copy { max-width: 53%; }
  .hero h1 { font-size: 44px; }
  .hero-label { font-size: 14px; }
  .hero-actions { gap: 12px; }
  .hero-actions .button { padding-inline: 20px; }
  .product-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .category-item { padding-inline: 4px; font-size: 12px; }
  .category-item svg { width: 30px; }
  .feature-panel { min-height: 310px; padding: 24px; }
  .scene-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .home-scenes .scene-card:last-child { display: none; }
  .about-feature-copy { padding: 36px 30px; }
  .about-feature-image { min-height: 390px; }
  .section { padding: 56px 0; }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 34px; }
  .footer-contact { border: 0; padding: 0; }
  .service-strip { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .service-item { justify-content: flex-start; }
  .about-story { gap: 32px; }
}
@media (max-width: 600px) {
  html { scroll-padding-top: 80px; }
  .container { width: calc(100% - 40px); }
  .utility-bar { height: 28px; }
  .utility-inner { font-size: 10px; }
  .utility-inner>div { gap: 10px; }
  .utility-inner>div a:first-child, .utility-divider { display: none; }
  .header-inner { height: 66px; gap: 8px; }
  .brand img { height: 28px; width: auto; }
  .header-actions { gap: 5px; }
  .button-small { font-size: 12px; min-height: 40px; padding: 7px 13px; }
  .hero { height: 640px; min-height: 0; }
  .hero-image { top: auto; bottom: 0; height: 380px; object-fit: cover; object-position: 68% center; }
  .hero:after { content: ""; position: absolute; inset: 0 0 auto; height: 310px; background: linear-gradient(#e7ecee 85%,transparent); z-index: -1; }
  .hero-inner { align-items: flex-start; padding-top: 40px; }
  .hero-copy { max-width: 100%; width: 100%; text-align: center; padding: 0; }
  .hero-label { margin-bottom: 12px; font-size: 13px; }
  .hero h1 { font-size: 40px; max-width: none; letter-spacing: -.065em; }
  .hero-subtitle { font-size: 14px; margin: 14px auto 0; max-width: 24em; }
  .hero-actions { justify-content: center; margin-top: 22px; gap: 20px; }
  .hero-actions .button { min-height: 44px; padding: 8px 22px; }
  .hero-actions .text-link { font-size: 14px; }
  .hero-controls { bottom: 15px; }
  .hero-note { display: none; }
  .hero[data-theme="dark"] .hero-image { height: 100%; object-position: center; }
  .hero[data-theme="dark"]:after { display: none; }
  .hero[data-theme="dark"]:before { background: linear-gradient(180deg,rgba(0,0,0,.8),rgba(0,0,0,.15)); }
  .hero[data-theme="dark"] h1 { font-size: 35px; }
  .hero[data-theme="dark"] .hero-copy { padding: 20px 0; }
  .category-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px 8px; padding: 27px 0; }
  .category-item { font-size: 12px; gap: 6px; }
  .section { padding: 46px 0; }
  .section-heading { margin-bottom: 20px; }
  .section-heading p { font-size: 14px; }
  .section-heading-row { align-items: center; gap: 12px; margin-bottom: 24px; }
  .section-heading-row h2 { font-size: 27px; }
  .section-heading-row p { font-size: 13px; }
  .section-heading-row>.text-link { flex-shrink: 0; font-size: 12px; }
  .filters { gap: 15px; margin-bottom: 22px; }
  .filter { font-size: 13px; }
  .product-grid { gap: 10px; }
  .product-body { padding: 18px 10px 13px; }
  .product-body h3 { font-size: 18px; }
  .product-body p { font-size: 12px; line-height: 1.6; margin-top: 8px; }
  .product-body .text-link { font-size: 12px; margin-top: 8px; min-height: 32px; }
  .product-image { aspect-ratio: 1.18; }
  .product-tag { font-size: 11px; }
  .feature-pair { grid-template-columns: 1fr; gap: 12px; margin-top: 12px; }
  .feature-panel { min-height: 300px; }
  .feature-panel h3 { font-size: 27px; }
  .scene-grid { grid-template-columns: 1fr; gap: 30px; }
  .home-scenes .scene-card:last-child { display: block; }
  .scene-image { aspect-ratio: 1.65; }
  .scene-copy { padding-top: 16px; }
  .scene-copy h3 { font-size: 22px; }
  .about-feature { grid-template-columns: 1fr; }
  .about-feature-image { min-height: 0; height: 280px; }
  .about-feature-copy { padding: 34px 26px; }
  .about-feature-copy>span { margin-bottom: 12px; }
  .about-feature-copy p { font-size: 14px; margin-top: 18px; }
  .stats { grid-template-columns: repeat(2,minmax(0,1fr)); padding: 25px 0; gap: 16px 0; }
  .stat strong { font-size: 32px; }
  .stat span { font-size: 12px; margin-top: 8px; }
  .stat:nth-child(3) { border-left: 0; }
  .consult-band { padding: 46px 24px; }
  .consult-band h2 { font-size: 28px; }
  .consult-band p { font-size: 14px; }
  .service-strip { gap: 22px 12px; padding: 26px 0; }
  .service-item { font-size: 12px; gap: 8px; }
  .service-item svg { width: 22px; height: 22px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 28px 20px; padding: 34px 0; }
  .footer-contact { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 24px; }
  .footer-main>div:first-child { grid-column: 1 / -1; }
  .footer-bottom { display: block; line-height: 2; }
  .footer-bottom span { display: block; }
  .page-intro { padding: 44px 0 32px; }
  .page-intro p { font-size: 14px; }
  .catalog-controls { gap: 18px; }
  .catalog-controls .filters { gap: 20px; }
  .search-form { width: 100%; }
  .search-form input { flex: 1; width: 100%; }
  .product-detail { grid-template-columns: 1fr; gap: 30px; padding-bottom: 44px; }
  .detail-visual { aspect-ratio: 1.2; }
  .detail-copy>p { font-size: 15px; }
  .detail-features { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 25px 20px; }
  .detail-feature h3 { font-size: 18px; }
  .detail-feature p { font-size: 13px; }
  .spec-table th, .spec-table td { padding: 16px 14px; overflow-wrap: anywhere; }
  .about-story { grid-template-columns: 1fr; }
  .about-story img { aspect-ratio: 1.4; }
  .inquiry-form { padding: 26px 20px; }
  .form-grid { grid-template-columns: 1fr; gap: 18px; }
  .contact-list .phone { font-size: 26px; }
  .back-top { right: 12px; bottom: max(16px,env(safe-area-inset-bottom)); }
}
@media (prefers-reduced-motion: reduce) {
  *, *:before, *:after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
  .product-card:hover .product-image img { transform: none; }
}