/* v1.1 — industrial catalogue. Original typeface and page order retained. */
:root {
  --blue: #1d2a2e;
  --deep: #1d2a2e;
  --ink: #1d2a2e;
  --muted: #65785f;
  --line: #e7eadf;
  --light: #f8f5ea;
  --orange: #f3b43f;
  --radius: 2px;
  --max: 1200px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --header-height: 148px;
  font-family: "Microsoft YaHei", "微软雅黑", Arial;
  font-size: 100%;
}
html { scroll-padding-top: calc(var(--header-height) + 24px); }
main:focus { outline: none; }
body { line-height: 1.75; }
button, input, select { font-family: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:active, .button:active { transform: translateY(1px); }
:focus-visible { outline: 2px solid #f3b43f; outline-offset: 4px; }
::selection { background: #1d2a2e; color: white; }
.wrap { width: min(var(--max), calc(100% - 112px)); }
.utility { height: 28px; background: #f8f5ea; color: #65785f; letter-spacing: .02em; }
.utility button { min-height: 28px; }
.utility { height: auto; min-height: 28px; }
.utility .wrap { min-height: 28px; padding-top: 3px; padding-bottom: 3px; height: auto; flex-wrap: wrap; gap: 2px 16px; }
.skip { top: 0; transform: translateY(calc(-100% - 8px)); max-width: calc(100% - 40px); }
.skip:focus { top: 5px; transform: none; }
.large-text .floating { display: none; }
.header { border: 0; box-shadow: 0 1px 0 #1d2a2e0a; }
.header-inner { min-height: 100px; gap: 24px; }
.brand { width: 220px; margin-right: auto; }
.logo-slot, .name-slot { border: 0; background: none; }
.header-actions { display: flex; align-items: center; gap: 24px; }
.hotline { display: block; border-left: 1px solid var(--line); padding-left: 24px; }
.hotline small { font-size: 0.75rem; color: var(--muted); letter-spacing: .08em; }
.hotline strong { font-family: Arial; font-size: 1.625rem; letter-spacing: .02em; line-height: 1.4; }
.search-toggle { border: 1px solid var(--line); border-radius: 50%; width: 42px; height: 42px; }
.search-toggle:hover { color: var(--blue); border-color: var(--blue); background: #f8f5ea; }
.nav-shell { background: var(--blue); }
.header nav { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); position: relative; gap: 0; font-size: 1rem; font-weight: 400; color: white; }
.header nav > a, .nav-drop > a { height: auto; min-height: 48px; padding-top: 10px; padding-bottom: 10px; justify-content: center; transition: background .24s, color .24s; }
.header nav > a:hover, .nav-drop:hover > a { background: #ffffff0c; color: white; }
.header [aria-current=page] { color: white; background: #1d2a2e; }
.header [aria-current=page]:after { width: 28px; height: 2px; left: calc(50% - 14px); bottom: 6px; background: #f3b43f; }
.nav-drop { gap: 0; justify-content: center; }
.nav-drop > a { width: 100%; padding-right: 24px; }
.drop-toggle { position: absolute; right: 12px; width: 24px; height: 38px; color: #e7eadf; font-size: 12px; }
.dropdown { top: 100%; left: 0; min-width: 100%; padding: 10px; border-radius: 0; color: var(--ink); border-top: 0; box-shadow: 0 16px 30px #1d2a2e14; transform-origin: top; animation: menu-in .22s var(--ease); }
.dropdown a { font-size: 0.875rem; padding: 10px 14px; }
.product-nav { position: static; }
.product-nav > .drop-toggle { position: relative; right: 8px; margin-left: -24px; flex-shrink: 0; }
.mega { top: 100%; width: 100%; left: 0; padding: 32px; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 28px 32px; }
.mega h3 { border-bottom: 1px solid var(--line); padding-bottom: 8px; }
.mega a { font-size: 0.875rem; padding: 5px 0; }
.header.is-scrolled { box-shadow: 0 5px 22px #1d2a2e10; }
.nav-drop:hover > .dropdown, .nav-drop:focus-within > .dropdown { display: none; }
.nav-drop.open > .dropdown { display: block; }
.nav-drop.open > .mega { display: grid; }
.header.is-scrolled .header-inner { min-height: 82px; }
.header-inner { transition: min-height .28s var(--ease); }
.hero { background: #f8f5ea; border-bottom: 1px solid var(--line); touch-action: pan-y; }
.hero:before { background: linear-gradient(90deg,#f8f5ea 0%,#f8f5ea 50%,#f8f5ea 50%,#f8f5ea 100%); }
.hero:after { content: ""; position: absolute; inset: 0; pointer-events: none; background: repeating-linear-gradient(90deg, transparent 0, transparent calc(25% - 1px), #1d2a2e05 calc(25% - 1px), #1d2a2e05 25%); }
.hero-inner { z-index: 1; grid-template-columns: 1fr 1fr; min-height: 474px; padding-top: 40px; padding-bottom: 76px; }
.hero-copy { padding-right: 30px; }
.eyebrow { font-family: Arial; font-size: 0.75rem; font-weight: 600; letter-spacing: .16em; color: var(--blue); }
.eyebrow:before { width: 22px; height: 2px; }
.hero h1 { font-size: clamp(1.75rem, 2.65vw, 2.5rem); line-height: 1.55; letter-spacing: .015em; font-weight: 600; margin: 20px 0 16px; }
.hero h1 span { color: var(--blue); }
.hero-copy > p { font-size: 0.875rem; line-height: 1.95; max-width: 420px; color: #65785f; }
.hero .actions { margin-top: 25px; }
.button { min-height: 46px; font-size: 0.875rem; font-weight: 400; padding: 11px 26px; border-radius: 2px; position: relative; transition: background .2s, border-color .2s, color .2s, box-shadow .2s, transform .2s; }
.button:hover { box-shadow: 0 5px 14px #1d2a2e1a; }
.button.secondary { border-color: #d6decf; background: transparent; color: var(--blue); }
.button.secondary:hover { border-color: var(--blue); background: #fff; box-shadow: none; }
.hero-media { padding: 15px 40px 20px; min-height: 340px; align-self: stretch; }
.hero-media:before { border: 0; border-radius: 0; width: auto; height: auto; inset: 10px 0 12px 28px; border-left: 1px solid #1d2a2e18; border-bottom: 1px solid #1d2a2e18; opacity: 1; }
.hero-media img { height: 324px; width: 100%; object-fit: contain; filter: none; mix-blend-mode: multiply; }
.hero-media-index { position: absolute; top: 0; right: 0; font: 0.75rem Arial; color: #65785f; letter-spacing: .12em; border-top: 1px solid #d6decf; padding-top: 10px; }
.hero-note { background: none; right: 0; bottom: -8px; padding: 0; font-size: 0.75rem; letter-spacing: .06em; color: #65785f; }
.hero-bottom { bottom: 23px; gap: 24px; }
.hero-meta { font-size: 0.75rem; color: #65785f; }
.slide-controls { gap: 8px; }
.slide-controls > span { margin: 0 7px; font-family: Arial; font-size: 0.75rem; }
.slide-arrow, .slide-pause { display: grid; place-items: center; height: 36px; width: 36px; border: 1px solid #d6decf; color: var(--blue); border-radius: 50%; font-family: Arial; transition: border-color .2s, background .2s, color .2s; }
.slide-arrow:hover, .slide-pause:hover { background: var(--blue); color: white; border-color: var(--blue); }
.slide-arrow { font-size: 1.5rem; padding: 0 0 2px; }
.slide-pause { font-size: 0.6875rem; letter-spacing: -.1em; }
.slide-dot { position: relative; width: 25px; height: 36px; background: none; overflow: hidden; }
.slide-dot:before { content: ""; position: absolute; top: 17px; left: 0; height: 2px; width: 100%; background: #d6decf; }
.slide-dot.active { width: 36px; background: none; }
.slide-dot.active:after { content: ""; position: absolute; left: 0; top: 17px; height: 2px; width: 100%; background: var(--blue); }
.hero.is-playing .slide-dot.active:after { transform-origin: left; animation: slide-progress 6s linear both; }
.hero.is-hovered .slide-dot.active:after { animation-play-state: paused; }
.hero.is-changing .hero-copy { animation: content-in .55s var(--ease) both; }
.hero.is-changing .hero-media img { animation: media-in .65s var(--ease) both; }
.section { padding: 64px 0; }
.section-head { align-items: center; margin-bottom: 30px; border-bottom: 1px solid var(--line); padding-bottom: 20px; }
.section-head h2 { font-size: 1.75rem; font-weight: 600; letter-spacing: .04em; }
.section-head .eyebrow { margin-bottom: 8px; font-size: 0.6875rem; }
.text-link { font-size: 0.875rem; padding: 8px 0; color: #65785f; position: relative; border: 0; }
.text-link:after { content: ""; position: absolute; height: 1px; bottom: 3px; left: 0; width: 100%; background: currentColor; transform: scaleX(.45); transform-origin: left; transition: transform .3s var(--ease); }
.text-link:hover:after, .text-link:focus-visible:after { transform: scaleX(1); }
.catalog-home { grid-template-columns: 222px minmax(0,1fr); gap: 28px; }
.home-sidebar { border-color: var(--line); border-radius: 2px; }
.home-sidebar h3 { background: var(--deep); padding: 20px 22px; font-size: 1rem; }
.home-sidebar button { min-height: 60px; font-size: 0.875rem; padding: 17px 22px; transition: background .22s, color .22s, box-shadow .22s; }
.home-sidebar button:after { transition: transform .25s var(--ease); }
.home-sidebar button.active { background: #f8f5ea; box-shadow: inset 3px 0 var(--blue); }
.home-sidebar button:hover:not(.active) { background: #f8f5ea; }
.product-grid { gap: 18px; }
.product-card { position: relative; border-color: #e7eadf; border-radius: 2px; transition: border-color .25s, box-shadow .35s, transform .35s var(--ease); }
.product-card:after { content: ""; position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.product-image { padding: 18px; aspect-ratio: 1.15; background: #fff; }
.product-image img { transition: transform .55s var(--ease); }
.product-info { padding: 14px 15px 18px; border-top: 1px solid #f8f5ea; }
.product-info h3, .home .product-info h3 { font-size: 0.875rem; font-weight: 400; line-height: 1.75; min-height: 3.5em; transition: color .22s; }
.product-info small { font-size: 0.75rem; color: #65785f; }
.product-info p { font-size: 0.75rem; line-height: 1.8; color: #65785f; margin-top: 7px; }
@media (hover:hover) and (pointer:fine) {
  .product-card:hover { transform: translateY(-3px); border-color: #d6decf; box-shadow: 0 12px 24px #1d2a2e0c; }
  .product-card:hover .product-image img { transform: scale(1.045); }
  .product-card:hover h3 { color: var(--blue); }
  .product-card:hover:after, .product-card:focus-visible:after { transform: scaleX(1); }
  .case-card:hover img { transform: scale(1.045); }
}
.benefits { background: var(--deep); padding: 34px 0; }
.benefit { padding: 0 18px; gap: 13px; }
.benefit b { font-size: 1.8125rem; line-height: 1; color: #fff; }
.benefit h3 { font-size: 0.875rem; }
.benefit p { font-size: 0.75rem; color: #e7eadf; }
.case-section { background: #f8f5ea; }
.case-grid { gap: 26px; }
.case-image { aspect-ratio: 1.5; border-radius: 2px; }
.case-image img { transition: transform .65s var(--ease); }
.case-card h3 { font-size: 1rem; font-weight: 400; line-height: 1.75; margin-top: 17px; }
.case-card small { font-family: Arial, "Microsoft YaHei", "微软雅黑"; font-size: 0.75rem; letter-spacing: .04em; color: #65785f; }
.round-control { width: 38px; height: 38px; transition: background .2s, color .2s; }
.round-control:hover { background: var(--blue); color: white; border-color: var(--blue); }
.split-section { gap: 50px; }
.about-teaser img { border-radius: 2px; }
.about-teaser p { font-size: 0.875rem; line-height: 2; color: #65785f; }
.news-list a { gap: 24px; padding: 20px 0; transition: color .22s; }
.news-list h3 { font-size: 0.9375rem; line-height: 1.8; font-weight: 400; }
.news-list time { font-family: Arial; font-size: 0.75rem; color: #65785f; }
.contact-strip { background: #f8f5ea; border-top: 1px solid #e7eadf; padding: 40px 0; }
.contact-strip h2 { font-size: 1.5rem; letter-spacing: .025em; }
.contact-strip p { font-size: 0.875rem; color: #65785f; }
.friend-links { font-size: 0.75rem; }
.page-banner { position: relative; background: #f8f5ea; border-bottom: 1px solid var(--line); padding: 32px 0 30px; overflow: hidden; }
.page-banner h1 { font-size: 1.75rem; line-height: 1.55; font-weight: 600; margin: 9px 0; }
.page-banner .eyebrow { font-size: 0.6875rem; }
.page-banner .english { font-family: Arial; font-size: 3.375rem; top: 16px; color: #e7eadf; letter-spacing: .04em; font-weight: 400; }
.breadcrumb { font-size: 0.75rem; color: #65785f; gap: 9px; }
.page-layout { grid-template-columns: 222px minmax(0,1fr); gap: 32px; padding-top: 36px; padding-bottom: 64px; }
.sidebar { top: calc(var(--header-height) + 24px); }
.sidebar-title { background: var(--deep); font-size: 1rem; padding: 19px 20px; }
.side-groups summary { font-size: 0.875rem; min-height: 52px; }
.side-groups a { font-size: 0.875rem; }
.side-groups details[open] summary { background: #f8f5ea; }
.side-groups summary:after { transition: transform .25s; }
.side-links a { font-size: 0.875rem; }
.side-links a.active { border-left-color: var(--blue); }
.sidebar-contact { background: #f8f5ea; border-top: 2px solid var(--blue); }
.sidebar-contact strong { font-family: Arial; font-weight: 600; letter-spacing: .015em; }
.sidebar-contact p { font-size: 0.75rem; color: #65785f; }
.filter-row h2 { font-size: 1.1875rem; font-weight: 500; }
.filter-row p { font-size: 0.875rem; }
.search-form { border-radius: 2px; transition: border-color .2s, box-shadow .2s; }
.search-form:focus-within { border-color: var(--blue); box-shadow: 0 0 0 3px #1d2a2e10; }
.search-form input, .search-form button { font-size: 0.875rem; min-height: 44px; }
.search-form input::placeholder { color: #65785f; }
.catalog-subcategories a { font-size: 0.875rem; padding: 8px 12px; }
.catalog-subcategories .active { background: #f8f5ea; }
.pagination { gap: 7px; margin-top: 32px; }
.pagination a, .pagination span { font: 0.875rem Arial, "Microsoft YaHei", "微软雅黑"; min-width: 38px; min-height: 38px; display: inline-flex; align-items: center; justify-content: center; padding: 7px 12px; border-radius: 2px; }
.pagination a:hover { border-color: var(--blue); background: #f8f5ea; }
.page-jump { font-size: 0.875rem; margin-top: 18px; }
.page-jump input { min-height: 38px; }
.page-jump button { min-height: 38px; padding: 0 8px; }
.article { font-size: 1rem; line-height: 1.9; color: #1d2a2e; }
.article p { line-height: 1.9; }
.article-title { font-size: 1.625rem; font-weight: 500; line-height: 1.6; }
.article-meta { font-size: 0.75rem; line-height: 1.8; }
.article table { font-size: 0.875rem; }
.article th, .article td { padding: 10px 12px; border-color: #d6decf; }
.article tr:nth-child(even) { background: #f8f5ea; }
.article img:focus-visible { outline-offset: 5px; }
.product-detail-head { gap: 28px; }
.product-detail-picture { border-radius: 2px; background: #fff; transition: border-color .25s; }
.product-detail-picture:hover { border-color: #d6decf; }
.product-detail-picture img { transition: transform .45s var(--ease); }
.product-detail-picture:hover img { transform: scale(1.025); }
.detail-kicker { font-size: 0.75rem; }
.spec-row { font-size: 0.875rem; }
.details-tabs { top: var(--header-height); background: #fff; border-bottom: 1px solid var(--line); }
#details, #related { scroll-margin-top: 64px; }
.details-tabs a { font-size: 0.875rem; min-height: 48px; display: flex; align-items: center; }
.content-title { font-size: 1.375rem; font-weight: 500; }
.prev-next { font-size: 0.875rem; line-height: 1.8; }
.prev-next small { font-size: 0.75rem; }
.news-list-page a { padding: 25px 4px; }
.news-list-page .news-num { font-family: Arial; font-size: 1.625rem; color: #65785f; }
.news-list-page .tag { font-size: 0.75rem; color: #65785f; }
.news-list-page h3 { font-size: 1rem; }
.contact-panel { background: #f8f5ea; border-top: 2px solid var(--blue); border-radius: 2px; }
.contact-page h2 { font-size: 1.625rem; font-weight: 500; }
.contact-line strong { font-family: Arial; }
.sitemap-group { border-radius: 2px; }
.sitemap-group h2 { font-size: 1.125rem; }
.sitemap-group a { font-size: 0.875rem; }
.empty { border: 1px solid var(--line); border-radius: 2px; background: #f8f5ea; }
.empty h2 { font-size: 1.25rem; }
.empty p { font-size: 0.875rem; }
footer { background: #1d2a2e; }
.footer-main { padding-top: 50px; padding-bottom: 42px; }
.footer-main h3 { font-size: 0.875rem; font-weight: 500; letter-spacing: .03em; color: #fff; }
.footer-main a, .footer-main p, .footer-main button { font-size: 0.875rem; line-height: 1.9; color: #d6decf; }
.footer-main a:hover, .footer-main button:hover { color: white; }
.footer-main .footer-phone { font: 1.625rem Arial; letter-spacing: .02em; color: #fff; }
.footer-bottom { border-color: #ffffff1a; font-size: 0.75rem; color: #d6decf; }
.footer-brand { margin: 0; height: 48px; }
.floating { right: 6px; top: auto; bottom: 90px; border: 1px solid #e7eadf; border-radius: 2px; box-shadow: 0 4px 16px #1d2a2e0a; overflow: hidden; }
.floating button, .floating > a { width: 46px; min-height: 62px; background: #fff; color: #65785f; padding: 8px 1px; font-size: 0.6875rem; }
.floating button:first-child { background: var(--blue); color: white; }
.floating button:hover, .floating > a:hover { background: var(--deep); color: white; }
.floating svg { width: 22px; height: 22px; }
.floating span:not(.phone-symbol) { font-size: 0.6875rem; }
dialog { border: 1px solid #d6decf; border-radius: 3px; box-shadow: 0 32px 90px #1d2a2e38; padding: 45px 36px 36px; }
dialog[open] { animation: dialog-in .28s var(--ease); }
dialog::backdrop { background: #1d2a2e77; backdrop-filter: blur(4px); }
dialog .close { top: 10px; right: 10px; border: 1px solid var(--line); border-radius: 50%; }
dialog .close { min-width: 2.5rem; min-height: 2.5rem; }
dialog p { color: #65785f; }
.image-modal { max-width: min(1040px,94vw); }
.image-caption { font-size: 0.875rem; color: #65785f; }
.modal-contacts a { border-radius: 2px; font-size: 1rem; }
.modal-contacts a small { font-size: 0.75rem; }
.modal-contacts a strong { font-family: Arial; }
.reveal-pending { opacity: 0; transform: translateY(16px); }
.reveal-visible { opacity: 1; transform: translateY(0); transition: opacity .65s var(--ease), transform .65s var(--ease); }
.reveal-pending:focus-within { opacity: 1; transform: none; }
@keyframes content-in { from { opacity: .2; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes media-in { from { opacity: .3; transform: translateX(18px); } to { opacity: 1; transform: none; } }
@keyframes menu-in { from { opacity: 0; transform: translateY(-5px); } to { opacity: 1; transform: none; } }
@keyframes dialog-in { from { opacity: 0; transform: translateY(12px) scale(.985); } to { opacity: 1; transform: none; } }
@keyframes slide-progress { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@media(min-width:1450px) { .wrap { width: min(var(--max),calc(100% - 140px)); } }
@media(max-width:1050px) {
  .header-inner { min-height: 90px; }
  :root { --header-height: 138px; }
  .header.is-scrolled .header-inner { min-height: 76px; }
  .hero h1 { font-size: 1.875rem; }
  .hero-inner { min-height: 450px; }
  .hero-media { padding: 15px 20px; }
  .hero-media img { height: 280px; }
  .catalog-home { grid-template-columns: 190px minmax(0,1fr); gap: 22px; }
  .home-sidebar button { padding: 17px 16px; }
  .product-grid { gap: 12px; }
  .product-info { padding: 12px; }
  .page-layout { grid-template-columns: 190px minmax(0,1fr); gap: 24px; }
  .mega { width: 100%; left: 0; }
}
@media(max-width:800px) {
  :root { --header-height: 72px; }
  .wrap { width: calc(100% - 40px); }
  .utility { height: 28px; }
  .utility .wrap > span { font-size: 0.6875rem; letter-spacing: 0; }
  .utility button { font-size: 0.75rem; }
  .header-inner, .header.is-scrolled .header-inner { min-height: 72px; }
  .brand { width: 160px; }
  .header-actions { gap: 12px; }
  .hotline { display: block; border: 0; padding-left: 0; }
  .hotline small { font-size: 0.6875rem; }
  .hotline strong { font-size: 1.25rem; }
  .search-toggle { width: 38px; height: 38px; }
  .mobile-toggle { display: flex; width: 40px; height: 40px; font-size: 1.4375rem; }
  .nav-shell { background: transparent; }
  .header nav { display: none; position: absolute; top: 72px; left: 0; right: 0; width: 100%; color: var(--ink); padding: 16px 20px 24px; background: #fff; max-height: calc(100dvh - 130px); overflow-y: auto; font-size: 1rem; border-bottom: 1px solid var(--line); }
  .header.menu-open nav { display: block; }
  .header.menu-open nav { animation: menu-in .22s var(--ease); }
  .header.menu-open .mobile-toggle { font-size: 0; }
  .header.menu-open .mobile-toggle:before { content: "×"; font-size: 1.75rem; line-height: 1; }
  .header nav > a, .nav-drop > a { height: auto; min-height: 48px; justify-content: flex-start; width: auto; padding: 0 14px; }
  .header nav > a:hover, .nav-drop:hover > a { color: var(--blue); background: #f8f5ea; }
  .header [aria-current=page] { background: #f8f5ea; color: var(--blue); }
  .nav-drop, .product-nav { position: relative; flex-wrap: wrap; justify-content: space-between; }
  .nav-drop > a { flex: 1; }
  .drop-toggle, .product-nav > .drop-toggle { position: static; margin: 0; color: var(--blue); height: 48px; width: 42px; padding: 0; text-align: center; }
  .dropdown, .mega { position: static; animation: none; border: 0; width: 100%; padding: 10px 16px; background: #f8f5ea; }
  .nav-drop:hover > .dropdown, .nav-drop:focus-within > .dropdown { display: none; }
  .nav-drop.open > .dropdown { display: block; }
  .nav-drop.open > .mega { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
  .mega a { font-size: 0.875rem; }
  .hero-inner { min-height: 440px; padding-top: 28px; padding-bottom: 78px; }
  .hero-copy { padding-right: 18px; }
  .hero h1 { font-size: 1.6875rem; letter-spacing: 0; margin: 18px 0 14px; }
  .hero-media img { height: 265px; }
  .hero-media-index { top: 4px; font-size: 0.6875rem; }
  .hero-note { font-size: 0.6875rem; bottom: 0; }
  .hero-media:before { left: 10px; }
  .hero-meta { gap: 15px; font-size: 0.6875rem; }
  .hero-meta span + span { padding-left: 15px; }
  .section { padding: 48px 0; }
  .section-head h2 { font-size: 1.5625rem; }
  .section-head { margin-bottom: 24px; padding-bottom: 17px; }
  .catalog-home { grid-template-columns: minmax(0,1fr); gap: 16px; }
  .home-sidebar { border: 0; gap: 8px; padding: 0 0 6px; }
  .home-sidebar button { padding: 9px 16px; min-height: 44px; font-size: 0.875rem; border-radius: 2px; }
  .home-sidebar button.active { box-shadow: none; border-color: var(--blue)!important; }
  .home .product-card:nth-child(n+7) { display: flex; }
  .product-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
  .product-info h3, .home .product-info h3 { font-size: 0.875rem; }
  .case-grid { gap: 18px; }
  .case-card h3 { font-size: 0.875rem; }
  .benefit-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 26px 0; }
  .benefit:nth-child(4) { padding-left: 0; }
  .split-section { grid-template-columns: 1fr; gap: 42px; }
  .page-layout { grid-template-columns: minmax(0,1fr); gap: 22px; padding-top: 26px; }
  .sidebar { position: static; }
  .side-groups { display: flex; width: 100%; max-width: 100%; overflow-x: auto; }
  .side-groups summary { min-height: 44px; }
  .side-groups details { border-radius: 2px; }
  .side-groups details a { font-size: 0.875rem; }
  .side-links a { min-height: 44px; }
  .all-products-link { font-size: 0.875rem; min-height: 34px; }
  .page-banner { padding: 28px 0; }
  .page-banner .english { font-size: 2.625rem; }
  .page-banner h1 { font-size: 1.625rem; }
  .details-tabs { top: 72px; }
  .product-detail-head { grid-template-columns: 1fr 1fr; gap: 25px; }
  .contact-page h2 { font-size: 1.5rem; }
  .floating { display: none; }
  .mobile-bar { min-height: calc(56px + env(safe-area-inset-bottom)); height: auto; padding-bottom: env(safe-area-inset-bottom); background: #fff; box-shadow: 0 -4px 18px #1d2a2e08; }
  .mobile-bar a, .mobile-bar button { min-height: 56px; font-size: 0.875rem; }
  .mobile-bar a[aria-current=page] { color: var(--blue); background: #f8f5ea; }
  .footer-bottom { padding-bottom: calc(82px + env(safe-area-inset-bottom)); }
}
@media(max-width:540px) {
  :root { --header-height: 68px; }
  .wrap { width: calc(100% - 32px); }
  .header-inner, .header.is-scrolled .header-inner { min-height: 68px; }
  .header nav { top: 68px; }
  .brand { width: 100px; min-width: 0; }
  .header-actions { gap: 10px; }
  .hotline { display: none; }
  .utility .wrap > span { max-width: 235px; font-size: 0.625rem; }
  .utility button { font-size: 0.6875rem; }
  .hero:before { background: linear-gradient(180deg,#f8f5ea 0%,#f8f5ea 49%,#f8f5ea 49%,#f8f5ea 100%); }
  .hero-inner { grid-template-columns: minmax(0,1fr); padding-top: 26px; padding-bottom: 72px; min-height: 650px; }
  .hero-copy { padding-right: 0; }
  .hero h1 { font-size: clamp(1.5rem,7.1vw,1.875rem); line-height: 1.55; margin: 16px 0 12px; }
  .hero-copy > p { font-size: 0.875rem; max-width: 100%; line-height: 1.85; }
  .hero .actions { gap: 10px; margin-top: 20px; }
  .hero .button { padding: 10px 23px; min-height: 44px; }
  .hero-media { min-height: 246px; height: 246px; margin-top: 28px; padding: 8px 32px 16px; }
  .hero-media img { height: 224px; }
  .hero-media:before { left: 0; top: 8px; bottom: 0; }
  .hero-media-index { top: 5px; font-size: 0.625rem; }
  .hero-note { font-size: 0.625rem; bottom: -10px; }
  .hero-bottom { bottom: 16px; align-items: center; gap: 12px; }
  .hero-meta { display: none; }
  .slide-controls { width: 100%; justify-content: center; gap: 8px; }
  .slide-arrow, .slide-pause { width: 40px; height: 40px; }
  .slide-dot { width: 24px; }
  .slide-dot.active { width: 35px; }
  .section { padding: 40px 0; }
  .section-head { padding-bottom: 16px; margin-bottom: 20px; }
  .section-head h2 { font-size: 1.5rem; }
  .section-head .eyebrow { font-size: 0.625rem; letter-spacing: .1em; }
  .section-head .eyebrow:before { width: 16px; }
  .text-link { font-size: 0.875rem; }
  .product-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
  .product-image { padding: 12px; aspect-ratio: 1.05; }
  .product-info { padding: 12px 11px 15px; }
  .product-info h3, .home .product-info h3 { font-size: 0.875rem; line-height: 1.7; }
  .product-info p { font-size: 0.75rem; line-height: 1.8; }
  .benefits { padding: 28px 0; }
  .benefit-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 26px 0; }
  .benefit { padding-right: 12px; gap: 14px; }
  .benefit:nth-child(even) { padding-left: 20px; }
  .benefit h3 { font-size: 0.875rem; }
  .benefit p { font-size: 0.75rem; }
  .benefit b { font-size: 1.625rem; }
  .case-grid { grid-template-columns: minmax(0,1fr); gap: 25px; }
  .home .case-card:nth-child(3) { display: block; }
  .case-image { aspect-ratio: 1.65; }
  .case-card h3 { font-size: 1rem; margin-top: 12px; }
  .case-card small { font-size: 0.75rem; }
  .case-header-controls { gap: 8px; }
  .round-control { min-width: 32px; width: 32px; height: 36px; }
  .news-list a { gap: 15px; padding: 17px 0; }
  .news-list h3 { font-size: 0.875rem; }
  .news-list time { font-size: 0.75rem; }
  .contact-strip h2 { font-size: 1.375rem; line-height: 1.7; }
  .contact-strip p { font-size: 0.875rem; line-height: 1.85; }
  .page-banner h1 { font-size: 1.5rem; }
  .page-banner { padding: 24px 0; }
  .page-layout { gap: 20px; padding-bottom: 44px; }
  .filter-row { gap: 14px; }
  .search-form { max-width: none; width: 100%; }
  .product-detail-head { grid-template-columns: minmax(0,1fr); gap: 24px; }
  .product-detail-head .article-title, .article-title { font-size: 1.375rem; }
  .product-detail-picture { min-height: 280px; }
  .product-detail-picture img { height: 270px; }
  .details-tabs { top: 68px; gap: 22px; }
  .details-tabs a { font-size: 0.875rem; white-space: nowrap; }
  .article { font-size: 1rem; line-height: 1.9; }
  .article-meta { font-size: 0.75rem; }
  .news-list-page a { padding: 22px 0; }
  .news-list-page h3 { font-size: 1rem; }
  .news-list-page time { font-size: 0.75rem; }
  .contact-page h2 { font-size: 1.4375rem; }
  .contact-panel { padding: 25px; }
  .footer-main { gap: 32px 20px; padding-top: 35px; }
  .footer-main .footer-phone { font-size: 1.5625rem!important; }
  .pagination { gap: 6px; }
  .pagination a, .pagination span { min-width: 34px; min-height: 38px; padding: 7px 9px; }
  dialog { padding: 46px 24px 28px; width: calc(100% - 32px); }
  .image-modal { max-width: calc(100% - 20px); padding: 48px 12px 18px; }
}
@media(prefers-reduced-motion:reduce) {
  *, *:before, *:after { animation: none!important; transition: none!important; scroll-behavior: auto!important; }
  .reveal-pending { opacity: 1; transform: none; }
  .product-card:hover, .product-detail-picture:hover img, .product-card:hover img, .case-card:hover img { transform: none; }
}
@media(prefers-reduced-transparency:reduce) {
  dialog::backdrop { background: #1d2a2e; backdrop-filter: none; }
}