:root {
    --yh-blue: #078cff;
    --yh-ink: #3d3d3d;
    --yh-muted: #666;
    --yh-soft: #f8f8fa;
}
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body.youtron-home { margin: 0; color: var(--yh-ink); font: 16px/1.65 "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif; background: #fff; }
.youtron-home *, .youtron-home *::before, .youtron-home *::after { box-sizing: border-box; }
.youtron-home h1, .youtron-home h2, .youtron-home h3, .youtron-home p, .youtron-home ul, .youtron-home dl, .youtron-home dd, .youtron-home figure { margin: 0; }
.youtron-home ul { padding: 0; list-style: none; }
.youtron-home a { color: inherit; text-decoration: none; }
.youtron-home button { font: inherit; cursor: pointer; }
.youtron-home img { display: block; max-width: 100%; }
.youtron-home a:focus-visible, .youtron-home button:focus-visible { outline: 3px solid var(--yh-blue); outline-offset: 5px; }
.yh-container { width: min(1300px, 84%); margin-inline: auto; }
.yh-sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.yh-skip-link { position: fixed; top: 12px; left: 16px; z-index: 1000; background: #fff; color: #0564ad !important; padding: 10px 18px; transform: translateY(-150%); }
.yh-skip-link:focus { transform: none; }
.yh-header { position: fixed; inset: 0 0 auto; z-index: 50; height: 80px; background: transparent; color: #fff; transition: background-color .2s, box-shadow .2s; }
.yh-header.is-scrolled, .yh-header.is-menu-open { background: rgba(23, 42, 60, .97); box-shadow: 0 2px 12px #00000014; }
.yh-header-inner { height: 100%; display: flex; align-items: center; gap: 28px; }
.yh-brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; white-space: nowrap; }
.yh-brand img { width: 48px; height: 51px; object-fit: contain; }
.yh-brand span { font-size: 22px; font-weight: 600; letter-spacing: .05em; }
.yh-primary-nav { margin-left: auto; }
.yh-primary-nav ul { display: flex; align-items: center; gap: clamp(14px, 1.25vw, 24px); }
.yh-primary-nav a { display: block; padding: 24px 0; font-size: 16px; white-space: nowrap; transition: color .2s; }
.yh-primary-nav a:hover, .yh-primary-nav a[aria-current="page"] { color: #51b2ff; }
.yh-header-phone { display: inline-flex; align-items: center; gap: 8px; color: #46acff !important; font-size: 17px; font-weight: 600; white-space: nowrap; }
.yh-header-phone img { width: 20px; height: 20px; object-fit: contain; }
.yh-header.is-partner-slide .yh-header-phone { color: #fff !important; }
.yh-header.is-partner-slide .yh-header-phone img { filter: brightness(0) invert(1); }
.yh-header.is-partner-slide .yh-primary-nav a[aria-current="page"] { color: #fff; text-decoration: underline; text-underline-offset: 6px; }
.yh-menu-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; padding: 10px; color: #fff; }
.yh-menu-toggle span { display: block; height: 2px; margin: 5px 0; background: currentColor; transition: transform .2s, opacity .2s; }
.yh-menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.yh-menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.yh-menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.yh-hero { position: relative; height: clamp(480px, 33.23vw, 638px); overflow: hidden; background: #202020; color: #fff; }
.yh-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .5s, visibility .5s; }
.yh-slide.is-active { opacity: 1; visibility: visible; pointer-events: auto; }
.yh-hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.yh-hero-copy { position: relative; height: 100%; padding-top: clamp(80px, 8.33vw, 160px); display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }
.yh-hero h1 { font-size: clamp(36px, 3.02vw, 58px); font-weight: 700; line-height: 1.25; letter-spacing: .015em; }
.yh-hero-cta { display: inline-flex; justify-content: center; align-items: center; min-height: 36px; padding: 3px 23px; border-radius: 30px; background: #fff; color: var(--yh-blue) !important; font-size: 20px; line-height: 1.5; transition: background-color .2s, color .2s; }
.yh-hero-copy .yh-hero-cta { margin-top: clamp(54px, 5.73vw, 110px); }
.yh-hero-cta:hover { background: #e5f4ff; }
.yh-hero-cta:focus-visible, .yh-carousel-controls button:focus-visible, .yh-header a:focus-visible, .yh-menu-toggle:focus-visible { outline-color: #fff !important; }
.yh-partner-hero-copy { position: relative; height: 100%; text-align: center; }
.yh-hero-kicker { font-size: 22px; font-weight: 600; }
.yh-hero-kicker span { padding-inline: 20px; font-weight: 400; }
.yh-partner-hero-copy h2 { position: absolute; inset: 44.9% 0 auto; margin: 0; font-size: clamp(40px, 4.167vw, 80px); font-weight: 700; line-height: 1.2; text-wrap: balance; }
.yh-partner-hero-copy > p:last-of-type { position: absolute; inset: 66% 0 auto; font-size: clamp(18px, 1.302vw, 25px); }
.yh-partner-hero-copy .yh-hero-cta { position: absolute; top: 79%; left: 50%; transform: translateX(-50%); margin: 0; font-size: 16px; white-space: nowrap; }
.yh-carousel-controls { position: absolute; left: 50%; bottom: 25px; transform: translateX(-50%); display: flex; align-items: center; gap: 14px; }
.yh-slide-dots { display: flex; gap: 6px; }
.yh-slide-dot { width: 34px; height: 24px; padding: 9px 2px; border: 0; background: transparent; }
.yh-slide-dot::before { content: ""; display: block; height: 4px; border-radius: 3px; background: #ffffff80; transition: background-color .2s; }
.yh-slide-dot.is-active::before { background: #fff; }
.yh-carousel-pause { display: grid; place-items: center; width: 30px; height: 30px; padding: 0; border: 1px solid #ffffff80; border-radius: 50%; color: #fff; background: #00000012; }
.yh-pause-icon { display: block; width: 8px; height: 10px; border-left: 2px solid currentColor; border-right: 2px solid currentColor; }
.yh-carousel-pause[aria-pressed="true"] .yh-pause-icon { width: 0; height: 0; margin-left: 3px; border: 5px solid transparent; border-right: 0; border-left: 8px solid currentColor; }
.yh-carousel-pause:disabled { opacity: .65; cursor: default; }
.yh-section { position: relative; }
.yh-section-heading { position: relative; z-index: 1; text-align: center; margin-bottom: 80px; }
.yh-section-heading h2 { font-size: clamp(32px, 2.605vw, 50px); font-weight: 600; line-height: 1.35; }
.yh-section-heading p { max-width: 1160px; margin: 24px auto 0; font-size: 20px; line-height: 1.6; }
.yh-intro { min-height: 822px; padding: 90px 0 140px; background: var(--yh-soft); }
.yh-intro::after, .yh-core::before, .yh-core::after { content: ""; position: absolute; width: 455px; height: 134px; background: url("/static/index/home-restored/dot-pattern.webp") center / contain no-repeat; pointer-events: none; }
.yh-intro::after { right: 0; bottom: 0; }
.yh-intro-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3, minmax(0, 260px)); justify-content: center; gap: clamp(32px, 5.52vw, 106px); }
.yh-intro-card { min-height: 312px; padding: 27px 18px 24px; border-radius: 20px; background: #fff; text-align: center; box-shadow: 0 4px 10px #0000001a; }
.yh-intro-card > img { width: 100px; height: 100px; margin: 0 auto 14px; object-fit: contain; }
.yh-card-rule { display: block; width: 35px; height: 5px; margin: 0 auto 30px; background: #e6e6e6; }
.yh-intro-card h3 { font-size: 20px; font-weight: 500; line-height: 1.4; margin-bottom: 11px; }
.yh-intro-card p { color: var(--yh-muted); font-size: 15px; font-weight: 400; line-height: 1.45; }
.yh-intro-card:hover h3 { color: var(--yh-blue); }
.yh-heritage { min-height: 861px; padding: 75px 0 55px; }
.yh-heritage .yh-section-heading { margin-bottom: 25px; }
.yh-heritage-grid { display: grid; grid-template-columns: 210px minmax(0, 590px) 300px; gap: 0; align-items: center; max-width: 1100px; margin: 0 auto; }
.yh-heritage-facts { position: relative; z-index: 1; }
.yh-rd-badge { display: inline-flex; align-items: center; gap: 5px; padding: 7px 9px; border-radius: 10px; background: var(--yh-blue); color: #fff; font-size: 18px; font-weight: 600; white-space: nowrap; }
.yh-heritage-facts svg { width: 25px; height: 25px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 auto; }
.yh-coverage { margin-top: 53px; padding: 0 6px 20px; border-bottom: 1px solid #d8d8d8; }
.yh-coverage h3 { display: flex; align-items: center; gap: 5px; font-size: 19px; font-weight: 600; color: #111; }
.yh-coverage h3 svg, .yh-years svg { color: var(--yh-blue); }
.yh-city-count { display: flex; justify-content: center; align-items: center; gap: 20px; margin-top: 15px; }
.yh-city-count span { color: #666; font-size: 14px; line-height: 1.35; }
.yh-city-count strong { color: var(--yh-blue); font-size: 48px; font-weight: 700; line-height: 1; }
.yh-years { display: flex; align-items: center; justify-content: center; gap: 4px; padding: 24px 0; border-bottom: 1px solid #d8d8d8; white-space: nowrap; }
.yh-years > span { color: #111; font-size: 18px; font-weight: 600; }
.yh-years strong { margin-left: 6px; color: var(--yh-blue); font-size: 36px; line-height: 1; }
.yh-years small { font-size: 18px; font-weight: 400; }
.yh-heritage-map { width: 100%; height: auto; filter: drop-shadow(-2px 3px 2px #0000001a); }
.yh-metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 74px 26px; padding-left: 10px; text-align: center; }
.yh-metrics > div { display: flex; flex-direction: column; align-items: center; }
.yh-metrics dt { order: 1; color: #666; font-size: 16px; line-height: 1.5; margin-top: 7px; white-space: nowrap; }
.yh-metrics dd { color: var(--yh-blue); font-size: 44px; font-weight: 700; line-height: 1.1; white-space: nowrap; }
.yh-metrics sup { font-size: 26px; top: -.3em; position: relative; }
.yh-core { min-height: 860px; padding: 85px 0 150px; background: var(--yh-soft); }
.yh-core::before { left: 0; bottom: 0; }
.yh-core::after { right: 0; top: 0; }
.yh-core-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.yh-core-card { position: relative; min-height: 388px; display: flex; align-items: flex-end; justify-content: center; padding: 35px 8px 86px; color: #fff !important; isolation: isolate; text-align: center; }
.yh-core-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.yh-core-card::before { content: ""; position: absolute; inset: 0; background: #078cffe0; opacity: 0; transition: opacity .25s; z-index: -1; }
.yh-core-card:hover::before, .yh-core-card:focus-visible::before { opacity: 1; }
.yh-core-card h3 { font-size: 20px; font-weight: 500; line-height: 1.45; text-shadow: 0 1px 3px #0003; text-wrap: balance; }
.yh-business { min-height: 1181px; padding: 96px 0 180px; }
.yh-business .yh-section-heading { margin-bottom: 90px; }
.yh-business-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px; max-width: 1208px; margin: 0 auto; }
.yh-business-card { position: relative; aspect-ratio: 401 / 310; display: grid; place-items: center; border-radius: 10px; overflow: hidden; color: #fff !important; transition: transform .25s, box-shadow .25s; }
.yh-business-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.yh-business-card h3 { position: relative; padding: 18px; text-align: center; font-size: 28px; font-weight: 500; line-height: 1.4; text-shadow: 0 1px 4px #0004; }
.yh-business-card:hover, .yh-business-card:focus-visible { z-index: 2; transform: scale(1.045); box-shadow: 0 12px 30px #18345036; }
.yh-products { min-height: 730px; padding: 105px 0 160px; background: var(--yh-soft); }
.yh-products::before { content: ""; position: absolute; left: 0; top: 0; width: 540px; height: 170px; max-width: 50%; background: url("/static/index/home-restored/dot-pattern-large.webp") left top / contain no-repeat; pointer-events: none; }
.yh-products .yh-section-heading { margin-bottom: 104px; }
.yh-product-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; max-width: 1200px; margin: 0 auto; }
.yh-product-card { min-height: 210px; padding: 22px 12px 25px; border-radius: 5px; background: #fff; text-align: center; box-shadow: 0 5px 9px #00000012; transition: background-color .2s, color .2s, box-shadow .2s; }
.yh-product-card:nth-child(even) { transform: translateY(50px); }
.yh-product-card img { width: 100%; height: 115px; object-fit: contain; margin-bottom: 20px; mix-blend-mode: multiply; }
.yh-product-card h3 { font-size: 17px; font-weight: 400; line-height: 1.55; }
.yh-product-card:hover, .yh-product-card:focus-visible { background: var(--yh-blue); color: #fff; box-shadow: 0 8px 16px #0877c833; }
.yh-partners { min-height: 865px; padding: 75px 0 150px; background: var(--yh-soft); }
.yh-watermark { position: absolute; right: 0; top: -30px; color: #f0f0f3; font: 700 clamp(130px, 12vw, 230px)/1 Arial, sans-serif; pointer-events: none; user-select: none; }
.yh-partners .yh-section-heading { margin-bottom: 90px; }
.yh-partner-grid { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 40px; max-width: 1200px; margin: 0 auto !important; }
.yh-partner-grid li { min-height: 108px; padding: 18px 28px; display: flex; align-items: center; justify-content: center; border-radius: 32px; background: #fff; box-shadow: 0 4px 10px #00000003; }
.yh-partner-grid img { max-width: 100%; max-height: 72px; width: auto; height: auto; object-fit: contain; }
.yh-news { min-height: 1044px; padding: 85px 0 170px; overflow: hidden; }
.yh-news .yh-watermark { top: 100px; }
.yh-news .yh-section-heading { margin-bottom: 86px; }
.yh-section-more { display: inline-flex; align-items: center; gap: 12px; margin-top: 22px; color: var(--yh-blue) !important; font-size: 24px; }
.yh-section-more span { font-size: 30px; line-height: 1; }
.yh-section-more:hover { text-decoration: underline; text-underline-offset: 5px; }
.yh-news-grid { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; max-width: 1208px; margin: 0 auto; }
.yh-news-card { min-width: 0; overflow: hidden; border-radius: 10px 10px 0 0; box-shadow: 0 4px 20px #00000014; background: #fff; }
.yh-news-image { display: block; aspect-ratio: 390 / 225; overflow: hidden; }
.yh-news-image img { width: 100%; height: 100%; object-fit: cover; }
.yh-news-body { display: flex; flex-direction: column; min-height: 308px; padding: 25px 30px 24px; transition: background-color .2s, color .2s; }
.yh-news-body h3 { font-size: 21px; font-weight: 500; margin-bottom: 10px; }
.yh-news-description { font-size: 15px; line-height: 1.8; color: #777; margin-bottom: 18px !important; }
.yh-news-links { min-width: 0; }
.yh-news-links li { position: relative; padding-left: 18px; margin-bottom: 12px; }
.yh-news-links li::before { position: absolute; left: 0; top: .55em; content: ""; width: 9px; height: 9px; border-radius: 50%; background: #e4edf4; }
.yh-news-links a { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 17px; line-height: 1.65; }
.yh-news-links a:hover { text-decoration: underline; text-underline-offset: 4px; }
.yh-news-more { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 18px; border-top: 1px solid #d8d8d8; color: var(--yh-blue) !important; font-size: 15px; }
.yh-news-card:hover .yh-news-body, .yh-news-card:focus-within .yh-news-body { background: var(--yh-blue); color: #fff; }
.yh-news-card:hover .yh-news-description, .yh-news-card:focus-within .yh-news-description, .yh-news-card:hover .yh-news-more, .yh-news-card:focus-within .yh-news-more { color: #fff !important; }
.yh-news-card:focus-within a:focus-visible { outline-color: #fff; outline-offset: 3px; }
.yh-footer { min-height: 569px; padding: 95px 0 110px; background: #333; color: #fff; }
.yh-footer-inner { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 70px; }
.yh-footer-links { display: grid; grid-template-columns: 1fr 1.8fr 1.45fr 1.15fr 1fr; gap: 28px; }
.yh-footer-group h2 { font-size: 21px; font-weight: 600; line-height: 1.5; white-space: nowrap; margin-bottom: 16px; }
.yh-footer-group li { font-size: 15px; line-height: 1.9; margin-bottom: 3px; }
.yh-footer a:hover { color: #6bc0ff; }
.yh-footer a:focus-visible { outline-color: #fff; }
.yh-footer-contact { display: flex; flex-direction: column; align-items: flex-end; text-align: right; }
.yh-footer-phone { display: block; white-space: nowrap; font-size: 34px; font-weight: 400; line-height: 1.4; }
.yh-footer-contact-link { display: inline-flex; align-items: center; gap: 10px; margin-top: 4px; font-size: 20px; }
.yh-footer-contact-link svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.yh-qrcode { margin-top: 95px !important; text-align: center; }
.yh-qrcode img { width: 114px; height: 114px; background: #fff; }
.yh-qrcode figcaption { margin-top: 8px; color: #aaa; font-size: 16px; }
.yh-copyright { padding: 20px 0; color: #bbb; background: #292929; text-align: center; font-size: 13px; line-height: 1.9; }
.yh-copyright a:hover { color: #fff; }
@media (max-width: 1500px) {
    .yh-header-inner { gap: 18px; }
    .yh-brand { gap: 8px; }
    .yh-brand span { font-size: 18px; }
    .yh-brand img { width: 40px; height: 43px; }
    .yh-primary-nav a { font-size: 14px; }
    .yh-header-phone { font-size: 15px; gap: 5px; }
    .yh-header-phone img { width: 17px; height: 17px; }
    .yh-section-heading p { font-size: 18px; }
    .yh-intro { min-height: 690px; padding-top: 75px; padding-bottom: 110px; }
    .yh-heritage { min-height: 730px; padding-top: 65px; }
    .yh-heritage-grid { grid-template-columns: 185px minmax(0, 560px) 270px; }
    .yh-rd-badge { font-size: 16px; }
    .yh-core { min-height: 720px; padding-top: 70px; padding-bottom: 120px; }
    .yh-core-card { min-height: 350px; padding-bottom: 75px; }
    .yh-core-card h3 { font-size: 18px; }
    .yh-business { min-height: 1020px; padding-top: 80px; padding-bottom: 140px; }
    .yh-business-card h3 { font-size: 24px; }
    .yh-products { min-height: 630px; padding-top: 85px; padding-bottom: 140px; }
    .yh-products .yh-section-heading { margin-bottom: 85px; }
    .yh-partners { min-height: 760px; padding-top: 65px; padding-bottom: 130px; }
    .yh-partner-grid li { min-height: 100px; }
    .yh-news { min-height: 900px; padding-top: 75px; padding-bottom: 130px; }
    .yh-footer-inner { grid-template-columns: minmax(0, 1fr) 240px; gap: 40px; }
    .yh-footer-links { gap: 20px; }
    .yh-footer-group h2 { font-size: 18px; }
    .yh-footer-group li { font-size: 14px; }
    .yh-footer-phone { font-size: 29px; }
}
@media (max-width: 1100px) {
    .yh-container { width: calc(100% - 64px); }
    .yh-header { height: 70px; }
    .yh-header-inner { justify-content: space-between; }
    .yh-header-phone { margin-left: auto; margin-right: 12px; }
    .yh-menu-toggle { display: block; order: 3; }
    .yh-primary-nav { position: absolute; top: 70px; left: 0; width: 100%; margin: 0; background: rgba(23, 42, 60, .98); border-top: 1px solid #ffffff24; }
    .yh-js .yh-primary-nav { display: none; }
    .yh-js .yh-primary-nav.is-open { display: block; }
    .yh-primary-nav ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; padding: 15px 32px 25px; }
    .yh-primary-nav a { padding: 13px 12px; font-size: 16px; }
    html:not(.yh-js) .yh-header { position: relative; height: auto; min-height: 70px; background: #172a3c; padding-top: 10px; }
    html:not(.yh-js) .yh-header-inner { flex-wrap: wrap; }
    html:not(.yh-js) .yh-primary-nav { position: static; }
    html:not(.yh-js) .yh-menu-toggle { display: none; }
    .yh-section-heading { margin-bottom: 60px; }
    .yh-section-heading p { font-size: 17px; }
    .yh-intro-grid { gap: 35px; }
    .yh-intro-card { padding-inline: 15px; }
    .yh-heritage-grid { grid-template-columns: 175px minmax(0, 1fr) 230px; }
    .yh-metrics { gap: 50px 12px; }
    .yh-metrics dd { font-size: 36px; }
    .yh-metrics dt { font-size: 13px; }
    .yh-rd-badge { font-size: 14px; }
    .yh-coverage h3 { font-size: 16px; }
    .yh-city-count { gap: 12px; }
    .yh-city-count strong { font-size: 40px; }
    .yh-years > span { font-size: 16px; }
    .yh-years strong { font-size: 30px; }
    .yh-core-card { min-height: 320px; padding-inline: 10px; padding-bottom: 65px; }
    .yh-core-card h3 { font-size: 16px; }
    .yh-business-grid { gap: 24px; }
    .yh-business-card h3 { font-size: 21px; }
    .yh-product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; max-width: 760px; }
    .yh-product-card:nth-child(even) { transform: none; }
    .yh-products { min-height: 0; padding-bottom: 90px; }
    .yh-products .yh-section-heading { margin-bottom: 60px; }
    .yh-partners { min-height: 0; padding-bottom: 110px; }
    .yh-partner-grid { gap: 22px; }
    .yh-partner-grid li { padding-inline: 18px; min-height: 90px; border-radius: 24px; }
    .yh-news-grid { gap: 18px; }
    .yh-news-body { padding: 22px; min-height: 325px; }
    .yh-news-description { min-height: 54px; }
    .yh-footer-inner { grid-template-columns: minmax(0, 1fr); gap: 55px; }
    .yh-footer-links { gap: 25px; }
    .yh-footer-contact { border-top: 1px solid #ffffff24; padding-top: 35px; flex-direction: row; align-items: center; justify-content: space-between; text-align: left; }
    .yh-qrcode { margin-top: 0 !important; }
}
@media (max-width: 800px) {
    .yh-container { width: calc(100% - 40px); }
    .yh-header { height: 66px; }
    .yh-brand img { width: 36px; height: 38px; }
    .yh-brand span { font-size: 18px; }
    .yh-header-phone { display: none; }
    .yh-primary-nav { top: 66px; }
    .yh-primary-nav ul { padding-inline: 20px; }
    .yh-hero { height: 500px; }
    .yh-hero-image { object-position: 58% center; }
    .yh-hero-copy { padding-top: 80px; }
    .yh-hero h1 { max-width: 11em; font-size: clamp(32px, 6.2vw, 42px); line-height: 1.45; }
    .yh-hero-copy .yh-hero-cta { margin-top: 50px; font-size: 18px; }
    .yh-slide-partner { background: #078cff; }
    .yh-slide-partner .yh-hero-image { inset: 80px 0 auto; width: 100%; height: auto; aspect-ratio: 2493 / 829; object-fit: contain; object-position: center; }
    .yh-partner-hero-copy { display: flex; flex-direction: column; align-items: center; justify-content: flex-start; padding-top: calc(100px + 100vw * 829 / 2493); }
    .yh-partner-hero-copy h2 { position: static; margin: 0; font-size: 32px; line-height: 1.4; }
    .yh-partner-hero-copy > p:last-of-type { position: static; margin-top: 10px; font-size: 17px; }
    .yh-partner-hero-copy .yh-hero-cta { position: static; transform: none; margin-top: 18px; }
    .yh-hero-kicker { font-size: 18px; }
    .yh-carousel-controls { bottom: 18px; }
    .yh-section-heading h2 { font-size: 32px; }
    .yh-section-heading p { font-size: 16px; margin-top: 20px; }
    .yh-desktop-break { display: none; }
    .yh-intro { min-height: 0; padding: 65px 0 85px; }
    .yh-intro .yh-section-heading { margin-bottom: 42px; }
    .yh-intro-grid { grid-template-columns: 1fr; gap: 24px; max-width: 380px; margin-inline: auto; }
    .yh-intro-card { min-height: 285px; padding: 26px 32px; }
    .yh-intro-card > img { width: 90px; height: 90px; }
    .yh-card-rule { margin-bottom: 22px; }
    .yh-intro-card h3 { font-size: 21px; }
    .yh-intro-card p { font-size: 16px; line-height: 1.7; }
    .yh-heritage { min-height: 0; padding: 65px 0 80px; }
    .yh-heritage .yh-section-heading { margin-bottom: 38px; }
    .yh-heritage-grid { grid-template-columns: 1fr; gap: 30px; }
    .yh-heritage-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; gap: 24px 20px; max-width: 440px; width: 100%; margin: auto; }
    .yh-rd-badge { grid-column: 1 / -1; justify-self: center; font-size: 17px; }
    .yh-coverage { margin: 0; padding-bottom: 0; border: 0; }
    .yh-coverage h3 { justify-content: center; font-size: 16px; }
    .yh-city-count { gap: 9px; }
    .yh-city-count span { font-size: 12px; }
    .yh-city-count strong { font-size: 40px; }
    .yh-years { border: 0; flex-wrap: wrap; gap: 4px; padding: 0; }
    .yh-years strong { flex: 0 0 100%; text-align: center; margin-top: 17px; margin-left: 0; font-size: 40px; }
    .yh-heritage-map { width: min(100%, 460px); margin: 0 auto; }
    .yh-metrics { padding-left: 0; max-width: 440px; width: 100%; margin: 0 auto !important; gap: 30px 18px; }
    .yh-metrics dd { font-size: 40px; }
    .yh-metrics dt { font-size: 15px; }
    .yh-core { min-height: 0; padding: 65px 0 85px; }
    .yh-core .yh-section-heading { margin-bottom: 42px; }
    .yh-core-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
    .yh-core-card { min-height: 280px; padding: 20px 10px 46px; }
    .yh-core-card h3 { font-size: 17px; }
    .yh-core-card:last-child { grid-column: 1 / -1; min-height: 230px; }
    .yh-core-card:last-child img { object-position: center 37%; }
    .yh-core::before, .yh-core::after, .yh-intro::after { width: 240px; height: 71px; }
    .yh-business { min-height: 0; padding: 65px 0 85px; }
    .yh-business .yh-section-heading { margin-bottom: 44px; }
    .yh-business-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
    .yh-business-card { aspect-ratio: 1 / 1; border-radius: 7px; }
    .yh-business-card h3 { font-size: 20px; padding: 12px; }
    .yh-business-card:hover, .yh-business-card:focus-visible { transform: scale(1.025); }
    .yh-products { padding: 65px 0 85px; }
    .yh-products .yh-section-heading { margin-bottom: 45px; }
    .yh-product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
    .yh-product-card { min-height: 215px; padding: 22px 12px; }
    .yh-product-card h3 { font-size: 16px; }
    .yh-partners { padding: 60px 0 85px; }
    .yh-partners .yh-section-heading { margin-bottom: 44px; }
    .yh-watermark { top: 0; font-size: 110px; }
    .yh-partner-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
    .yh-partner-grid li { min-height: 82px; padding: 13px 16px; border-radius: 20px; }
    .yh-partner-grid img { max-height: 55px; }
    .yh-partner-grid li:last-child { grid-column: 1 / -1; width: calc((100% - 16px) / 2); justify-self: center; }
    .yh-news { min-height: 0; padding: 65px 0 85px; }
    .yh-news .yh-section-heading { margin-bottom: 42px; }
    .yh-news .yh-watermark { top: 105px; font-size: 110px; }
    .yh-section-more { margin-top: 16px; font-size: 19px; }
    .yh-news-grid { grid-template-columns: 1fr; gap: 26px; max-width: 440px; }
    .yh-news-body { min-height: 260px; padding: 25px; }
    .yh-news-description { min-height: 0; }
    .yh-news-links a { font-size: 17px; }
    .yh-news-more { margin-top: 25px; }
    .yh-footer { min-height: 0; padding: 60px 0 55px; }
    .yh-footer-links { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px 22px; }
    .yh-footer-group h2 { margin-bottom: 12px; font-size: 19px; }
    .yh-footer-group li { font-size: 14px; line-height: 2; }
    .yh-footer-contact { gap: 18px; }
    .yh-footer-phone { font-size: 25px; }
    .yh-footer-contact-link { font-size: 17px; }
    .yh-qrcode img { width: 98px; height: 98px; }
    .yh-qrcode figcaption { font-size: 14px; }
    .yh-copyright { font-size: 12px; padding: 20px 0; }
}
@media (max-width: 400px) {
    .yh-container { width: calc(100% - 32px); }
    .yh-section-heading h2 { font-size: 29px; }
    .yh-hero h1 { font-size: 32px; }
    .yh-partner-hero-copy h2 { font-size: 29px; }
    .yh-core-card { min-height: 265px; }
    .yh-core-card h3 { font-size: 16px; }
    .yh-business-card h3 { font-size: 18px; }
    .yh-product-card { min-height: 205px; }
    .yh-footer-phone { font-size: 22px; }
    .yh-qrcode img { width: 88px; height: 88px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .youtron-home *, .youtron-home *::before, .youtron-home *::after { transition: none !important; animation: none !important; }
    .yh-business-card:hover, .yh-business-card:focus-visible { transform: none; }
}
