/* Preview A: precision synthesis laboratory. Keeps official nav and hero from site.css. */
:root {
    --xy-bg: #f5f9fb;
    --xy-surface: #ffffff;
    --xy-ink: #102433;
    --xy-muted: #5d7180;
    --xy-line: #d9e7ee;
    --xy-primary: #0a6e9e;
    --xy-accent: #16b5b0;
    --xy-deep: #07304a;
    --xy-soft: #e8f6f6;
    --xy-shadow: 0 24px 58px rgba(7, 48, 74, .12);
}
.xy-ref-home { color: var(--xy-ink); background: var(--xy-bg); }
.xy-ref-home main { overflow: hidden; }
.xy-ref-wrap { width: min(1320px, calc(100% - 56px)); margin: 0 auto; }
.xy-ref-section { position: relative; padding: 88px 0; }
.xy-ref-section:before { content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none; background-image: linear-gradient(rgba(10,110,158,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(10,110,158,.045) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(180deg, transparent, #000 18%, #000 82%, transparent); }
.xy-ref-section > .xy-ref-wrap { position: relative; z-index: 1; }
.xy-ref-switch { position: relative; z-index: 6; margin-top: -1px; padding: 14px 0; color: #d9f7ff; background: linear-gradient(90deg, #062941, #0b6f9d); }
.xy-ref-switch .xy-ref-wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.xy-ref-switch strong { font-size: 16px; letter-spacing: .03em; }
.xy-ref-switch a { display: inline-flex; margin-left: 10px; padding: 8px 15px; border: 1px solid rgba(255,255,255,.22); border-radius: 999px; color: #d9f7ff; font-size: 14px; }
.xy-ref-switch a:hover, .xy-ref-a .xy-ref-option-a, .xy-ref-b .xy-ref-option-b, .xy-ref-c .xy-ref-option-c { color: var(--xy-deep); background: #9af3ef; border-color: #9af3ef; }
.xy-ref-hot { padding: 22px 0; background: rgba(255,255,255,.92); border-bottom: 1px solid var(--xy-line); box-shadow: 0 12px 28px rgba(7,48,74,.06); }
.xy-ref-hot__inner { display: flex; align-items: center; gap: 12px; overflow-x: auto; }
.xy-ref-hot span { flex: 0 0 auto; color: var(--xy-primary); font-weight: 800; }
.xy-ref-hot a { flex: 0 0 auto; padding: 9px 14px; color: var(--xy-muted); border: 1px solid var(--xy-line); border-radius: 999px; background: #fff; }
.xy-ref-hot a:hover { color: var(--xy-deep); border-color: var(--xy-accent); background: var(--xy-soft); }
.xy-ref-heading { max-width: 780px; margin: 0 auto 42px; text-align: center; }
.xy-ref-heading--left { margin-left: 0; text-align: left; }
.xy-ref-heading p { margin: 0 0 12px; color: var(--xy-accent); font: 800 13px/1 Arial, sans-serif; letter-spacing: .22em; text-transform: uppercase; }
.xy-ref-heading h2 { margin: 0; color: var(--xy-deep); font-size: clamp(30px, 3.2vw, 48px); line-height: 1.18; letter-spacing: -.03em; }
.xy-ref-heading span { display: block; margin-top: 16px; color: var(--xy-muted); font-size: 16px; line-height: 1.8; }
.xy-ref-product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.xy-ref-product-card { position: relative; overflow: hidden; background: var(--xy-surface); border: 1px solid var(--xy-line); box-shadow: var(--xy-shadow); transition: transform .24s ease, box-shadow .24s ease; }
.xy-ref-product-card:before { content: "CAS"; position: absolute; top: 18px; right: 18px; z-index: 2; padding: 5px 9px; color: var(--xy-deep); background: #9af3ef; border-radius: 999px; font-size: 11px; font-weight: 900; letter-spacing: .08em; }
.xy-ref-product-card:hover { transform: translateY(-8px); box-shadow: 0 28px 70px rgba(7,48,74,.18); }
.xy-ref-product-card__image { display: block; overflow: hidden; background: #eaf3f6; }
.xy-ref-product-card__image img { width: 100%; height: 205px; object-fit: cover; transition: transform .7s ease; }
.xy-ref-product-card:hover .xy-ref-product-card__image img { transform: scale(1.08); }
.xy-ref-product-card__body { padding: 22px; }
.xy-ref-product-card__title { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 16px; border-bottom: 1px solid var(--xy-line); }
.xy-ref-product-card__title strong { color: var(--xy-deep); font-size: 19px; }
.xy-ref-product-card__title em { color: var(--xy-primary); font-style: normal; font-size: 13px; font-weight: 800; text-transform: uppercase; }
.xy-ref-product-list { margin-top: 12px; }
.xy-ref-product-list a { display: flex; justify-content: space-between; gap: 12px; padding: 11px 0; color: var(--xy-muted); border-bottom: 1px dashed #dce9ef; font-size: 14px; }
.xy-ref-product-list a:hover { color: var(--xy-primary); }
.xy-ref-product-list b { flex: 0 0 auto; padding: 2px 8px; color: var(--xy-deep); background: var(--xy-soft); border-radius: 999px; font-size: 12px; }
.xy-ref-product-list--reserved { display: flex; align-items: center; min-height: 92px; padding: 14px 0; }
.xy-ref-product-reserved { display: inline-block; width: 100%; padding: 14px 16px; text-align: center; color: var(--xy-primary); background: var(--xy-soft); border: 1px dashed var(--xy-primary); border-radius: 10px; font-size: 14px; line-height: 1.6; }
.xy-ref-quality { background: linear-gradient(180deg, #eef8f9, #f8fbfd); }
.xy-ref-quality-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.xy-ref-quality-grid article { position: relative; min-height: 210px; padding: 24px 18px; text-align: center; background: rgba(255,255,255,.86); border: 1px solid var(--xy-line); box-shadow: 0 16px 38px rgba(7,48,74,.08); }
.xy-ref-quality-grid article:after { content: ""; position: absolute; left: 18px; right: 18px; bottom: 0; height: 3px; background: linear-gradient(90deg, var(--xy-primary), var(--xy-accent)); }
.xy-ref-quality-grid img { height: 126px; margin: 0 auto 18px; object-fit: contain; }
.xy-ref-quality-grid strong { color: var(--xy-deep); font-size: 16px; }
.xy-ref-about { background: #fff; }
.xy-ref-about__grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 46px; align-items: center; }
.xy-ref-about__media { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.xy-ref-about__media img { width: 100%; height: 190px; object-fit: cover; border: 10px solid #fff; box-shadow: var(--xy-shadow); }
.xy-ref-about__media img:first-child { grid-row: span 2; height: 396px; }
.xy-ref-about__copy { padding: 38px; background: linear-gradient(135deg, #fff, #f2fbfb); border: 1px solid var(--xy-line); box-shadow: var(--xy-shadow); }
.xy-ref-about__copy > p { color: var(--xy-muted); font-size: 16px; line-height: 2; }
.xy-ref-about__copy > p a { color: var(--xy-primary); font-weight: 800; }
.xy-ref-more { display: inline-flex; align-items: center; justify-content: center; margin-top: 22px; padding: 13px 26px; color: #fff; background: linear-gradient(135deg, var(--xy-primary), var(--xy-accent)); border-radius: 999px; font-weight: 800; }
.xy-ref-more:hover { filter: brightness(.95); }
.xy-ref-more--center { display: flex; width: fit-content; margin: 36px auto 0; }
.xy-ref-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 28px; }
.xy-ref-stats article { padding: 26px 24px; background: var(--xy-deep); color: #fff; border: 1px solid rgba(255,255,255,.14); }
.xy-ref-stats strong { display: block; color: #9af3ef; font-size: 42px; line-height: 1; }
.xy-ref-stats small { margin-left: 4px; color: rgba(255,255,255,.85); font-size: 18px; }
.xy-ref-stats span { display: block; margin-top: 12px; color: rgba(255,255,255,.78); }
.xy-ref-why { color: #fff; background: radial-gradient(circle at 10% 20%, rgba(22,181,176,.38), transparent 30%), linear-gradient(135deg, #061d31, #0a5b82 64%, #0f8f91); }
.xy-ref-why:before { background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); }
.xy-ref-why .xy-ref-heading h2, .xy-ref-why .xy-ref-heading span { color: #fff; }
.xy-ref-why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.xy-ref-why-grid article { min-height: 240px; padding: 30px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); backdrop-filter: blur(8px); }
.xy-ref-why-grid img { width: 52px; height: 52px; object-fit: contain; filter: brightness(0) invert(1); opacity: .95; }
.xy-ref-why-grid h3 { margin: 22px 0 12px; font-size: 22px; }
.xy-ref-why-grid p { margin: 0; color: rgba(255,255,255,.82); line-height: 1.8; }
.xy-ref-honors { background: #f7fbfc; }
.xy-ref-honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.xy-ref-honor-grid a { padding: 16px; background: #fff; border: 1px solid var(--xy-line); box-shadow: 0 16px 38px rgba(7,48,74,.08); }
.xy-ref-honor-grid img { width: 100%; height: 245px; object-fit: cover; }
.xy-ref-news { background: #fff; }
.xy-ref-news-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; }
.xy-ref-news-main, .xy-ref-news-list article { background: #fff; border: 1px solid var(--xy-line); box-shadow: 0 16px 38px rgba(7,48,74,.08); }
.xy-ref-news-main img { width: 100%; height: 310px; object-fit: cover; }
.xy-ref-news-main div { padding: 26px; }
.xy-ref-news-main small, .xy-ref-news-list small { color: var(--xy-primary); font-weight: 900; }
.xy-ref-news-main h3, .xy-ref-news-list h3 { margin: 12px 0; color: var(--xy-deep); line-height: 1.5; }
.xy-ref-news-main div > a:last-child { color: var(--xy-primary); font-weight: 800; }
.xy-ref-news-list { display: grid; gap: 14px; }
.xy-ref-news-list article:not(.xy-ref-news-line) { display: grid; grid-template-columns: 150px 1fr; gap: 18px; padding: 18px; }
.xy-ref-news-list img { width: 150px; height: 112px; object-fit: cover; }
.xy-ref-news-list p { margin: 0; color: var(--xy-muted); line-height: 1.7; }
.xy-ref-news-line { display: flex; align-items: center; gap: 18px; padding: 17px 20px; }
.xy-ref-news-line time { color: var(--xy-accent); font-weight: 800; }
.xy-ref-news-line a { color: var(--xy-ink); }
@media (max-width: 1080px) {
    .xy-ref-wrap { width: min(100% - 34px, 920px); }
    .xy-ref-switch .xy-ref-wrap, .xy-ref-hot__inner { align-items: flex-start; flex-direction: column; }
    .xy-ref-switch a { margin: 6px 8px 0 0; }
    .xy-ref-product-grid, .xy-ref-quality-grid, .xy-ref-honor-grid, .xy-ref-stats { grid-template-columns: repeat(2, 1fr); }
    .xy-ref-about__grid, .xy-ref-news-grid { grid-template-columns: 1fr; }
    .xy-ref-why-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .xy-ref-section { padding: 58px 0; }
    .xy-ref-product-grid, .xy-ref-quality-grid, .xy-ref-honor-grid, .xy-ref-stats, .xy-ref-why-grid, .xy-ref-news-list article:not(.xy-ref-news-line) { grid-template-columns: 1fr; }
    .xy-ref-about__media { grid-template-columns: 1fr; }
    .xy-ref-about__media img, .xy-ref-about__media img:first-child { height: 230px; }
    .xy-ref-about__copy { padding: 26px; }
    .xy-ref-news-list img { width: 100%; height: 180px; }
    .xy-ref-news-line { align-items: flex-start; flex-direction: column; gap: 6px; }
}

/* Option A refinement: wider, more immersive card fields below the hero. */
/* Full-bleed (通铺): backgrounds fill the viewport and content/cards extend
   toward the left and right edges of the screen across every section. */
.xy-ref-a .xy-ref-wrap { width: min(1920px, calc(100% - 8px)); }
.xy-ref-a .xy-ref-switch .xy-ref-wrap, .xy-ref-a .xy-ref-hot__inner { width: min(1920px, calc(100% - 8px)); }
.xy-ref-a .xy-ref-section { padding: 104px 0; }
.xy-ref-a .xy-ref-section:before { background-size: 36px 36px; opacity: .9; }
.xy-ref-a .xy-ref-heading { max-width: 920px; margin-bottom: 52px; }
.xy-ref-a .xy-ref-heading h2 { font-size: clamp(34px, 3.6vw, 56px); }
.xy-ref-a .xy-ref-heading span { max-width: 760px; margin-left: auto; margin-right: auto; }
.xy-ref-a .xy-ref-heading--left span { margin-left: 0; }
.xy-ref-a .preview-header__actions { gap: 14px; margin-left: 44px; }
.xy-ref-a .preview-inquiry { display: inline-flex; align-items: center; justify-content: center; min-width: 112px; height: 36px; padding: 0 18px; color: #07304a; border-radius: 999px; background: #9af3ef; box-shadow: 0 12px 26px rgba(22,181,176,.24); font-size: 14px; font-weight: 900; white-space: nowrap; transition: color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease; }
.xy-ref-a .preview-inquiry:hover { color: #fff; background: var(--xy-primary); box-shadow: 0 16px 34px rgba(10,110,158,.28); transform: translateY(-1px); }
.xy-ref-a .preview-hero { min-height: clamp(720px, 94vh, 980px); }
.xy-ref-a .preview-hero__media:after { background: none; }
.xy-ref-a .preview-hero__copy { position: relative; z-index: 3; display: flex; flex-direction: column; justify-content: center; width: min(1880px, calc(100% - 14px)); min-height: inherit; margin: 0 auto; padding: 120px 7vw 96px; color: #fff; }
.xy-ref-a .preview-hero__copy > p { margin: 0 0 18px; color: #9af3ef; font-size: 15px; font-weight: 900; letter-spacing: .18em; text-transform: uppercase; }
.xy-ref-a .preview-hero__copy h1 { max-width: 860px; margin: 0; color: #fff; font-size: clamp(38px, 4.8vw, 78px); line-height: 1.08; font-weight: 900; letter-spacing: -.045em; }
.xy-ref-a .preview-hero__copy div { max-width: 720px; margin-top: 24px; color: rgba(255,255,255,.9); font-size: clamp(16px, 1.15vw, 20px); line-height: 1.9; }
.xy-ref-a .preview-hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.xy-ref-a .preview-hero__actions a { display: inline-flex; align-items: center; justify-content: center; min-width: 158px; height: 48px; padding: 0 28px; border-radius: 999px; font-weight: 900; }
.xy-ref-a .preview-hero__primary { color: #07304a; background: #9af3ef; box-shadow: 0 16px 34px rgba(22,181,176,.26); }
.xy-ref-a .preview-hero__secondary { color: #fff; border: 1px solid rgba(255,255,255,.46); background: rgba(255,255,255,.12); backdrop-filter: blur(8px); }
.xy-ref-a .preview-hero__primary:hover { background: #fff; }
.xy-ref-a .preview-hero__secondary:hover { color: #07304a; background: #fff; }
.xy-ref-a .xy-ref-hot { padding: 0; background: linear-gradient(90deg, #f8fcfd 0%, #eef8fa 48%, #f8fcfd 100%); border-top: 1px solid rgba(10,110,158,.08); border-bottom: 1px solid rgba(10,110,158,.13); box-shadow: inset 0 1px 0 rgba(255,255,255,.86), 0 16px 34px rgba(7,48,74,.07); }
.xy-ref-a .xy-ref-hot__inner { display: flex; align-items: center; gap: 6px; padding: 10px 0; overflow-x: auto; }
.xy-ref-a .xy-ref-hot span, .xy-ref-a .xy-ref-hot a { display: inline-flex; align-items: center; flex: 0 0 auto; }
.xy-ref-a .xy-ref-hot span { min-height: 48px; justify-content: center; padding: 0 24px; color: #fff; background: linear-gradient(135deg, var(--xy-deep), var(--xy-primary)); font-weight: 900; letter-spacing: .02em; box-shadow: inset -1px 0 0 rgba(255,255,255,.18); }
.xy-ref-a .xy-ref-hot a { min-height: 34px; justify-content: center; margin: 0; padding: 0 13px; color: #315365; border: 1px solid rgba(10,110,158,.16); border-radius: 999px; background: rgba(255,255,255,.62); box-shadow: none; text-align: center; font-size: 14px; transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease; }
.xy-ref-a .xy-ref-hot a:hover { color: var(--xy-deep); border-color: rgba(22,181,176,.42); background: rgba(232,246,246,.92); transform: translateY(-1px); }
.xy-ref-a .xy-ref-products { background: radial-gradient(circle at 6% 14%, rgba(22,181,176,.14), transparent 28%), linear-gradient(180deg, #f8fcfd, #eef8fa); }
.xy-ref-a .xy-ref-product-grid { gap: 8px; }
.xy-ref-a .xy-ref-product-card { border-color: rgba(10,110,158,.16); box-shadow: 0 22px 58px rgba(7,48,74,.1); }
.xy-ref-a .xy-ref-product-card__image { aspect-ratio: 16 / 9; }
.xy-ref-a .xy-ref-product-card__image img { height: 100%; }
.xy-ref-a .xy-ref-product-card__body { padding: 26px 26px 24px; }
.xy-ref-a .xy-ref-product-card__title strong { font-size: clamp(19px, 1.22vw, 24px); }
.xy-ref-a .xy-ref-product-list a { padding: 12px 0; font-size: 15px; }
.xy-ref-a .xy-ref-quality { background: linear-gradient(180deg, #eaf7f8 0%, #f7fbfc 100%); }
.xy-ref-a .xy-ref-quality-grid { gap: 10px; }
.xy-ref-a .xy-ref-quality-grid article { min-height: 238px; padding: 30px 22px; box-shadow: 0 18px 46px rgba(7,48,74,.09); }
.xy-ref-a .xy-ref-quality-grid img { height: 142px; }
.xy-ref-a .xy-ref-about__grid { grid-template-columns: 1.1fr .9fr; gap: 14px; }
.xy-ref-a .xy-ref-about__media { gap: 0; }
.xy-ref-a .xy-ref-about-slider { position: relative; display: block; min-height: 444px; overflow: hidden; padding: 10px; border: 1px solid rgba(255,255,255,.72); border-radius: 28px; background: linear-gradient(135deg, rgba(255,255,255,.9), rgba(232,246,246,.66)); box-shadow: 0 26px 70px rgba(7,48,74,.16); isolation: isolate; }
.xy-ref-a .xy-ref-about-slider:after { content: ""; position: absolute; inset: auto 10px 10px 10px; z-index: 2; height: 42%; border-radius: 0 0 20px 20px; background: none; pointer-events: none; }
.xy-ref-a .xy-ref-about-slider__track { position: relative; z-index: 1; width: 100%; height: 424px; overflow: hidden; border-radius: 20px; background: #dcebf0; }
.xy-ref-a .xy-ref-about-slider__slide { position: absolute; inset: 0; margin: 0; opacity: 0; transform: translateX(28px) scale(1.04); transition: opacity .72s ease, transform .9s cubic-bezier(.2,.8,.2,1); }
.xy-ref-a .xy-ref-about-slider__slide.is-active { z-index: 1; opacity: 1; transform: translateX(0) scale(1); }
.xy-ref-a .xy-ref-about-slider__slide img { display: block; width: 100%; height: 100%; border: 0; object-fit: cover; box-shadow: none; transform: scale(1.02); transition: transform 4.8s ease; }
.xy-ref-a .xy-ref-about-slider__slide.is-active img { transform: scale(1.08); }
.xy-ref-a .xy-ref-about-slider__arrow { position: absolute; top: 50%; z-index: 5; width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.5); border-radius: 50%; background: rgba(255,255,255,.76); box-shadow: 0 14px 34px rgba(7,48,74,.18); transform: translateY(-50%); cursor: pointer; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.xy-ref-a .xy-ref-about-slider__arrow:hover { background: #fff; box-shadow: 0 18px 42px rgba(7,48,74,.24); transform: translateY(-50%) scale(1.06); }
.xy-ref-a .xy-ref-about-slider__arrow:before { content: ""; position: absolute; left: 50%; top: 50%; width: 10px; height: 10px; border-left: 2px solid var(--xy-deep); border-top: 2px solid var(--xy-deep); }
.xy-ref-a .xy-ref-about-slider__arrow--prev { left: 26px; }
.xy-ref-a .xy-ref-about-slider__arrow--prev:before { transform: translate(-35%, -50%) rotate(-45deg); }
.xy-ref-a .xy-ref-about-slider__arrow--next { right: 26px; }
.xy-ref-a .xy-ref-about-slider__arrow--next:before { transform: translate(-65%, -50%) rotate(135deg); }
.xy-ref-a .xy-ref-about-slider__dots { position: absolute; right: 28px; bottom: 30px; z-index: 5; display: flex; align-items: center; gap: 8px; }
.xy-ref-a .xy-ref-about-slider__dots button { width: 8px; height: 8px; padding: 0; border: 0; border-radius: 999px; background: rgba(255,255,255,.64); cursor: pointer; transition: width .24s ease, background .24s ease; }
.xy-ref-a .xy-ref-about-slider__dots button.is-active { width: 28px; background: #9af3ef; }
.xy-ref-a .xy-ref-about__copy { min-height: 444px; display: flex; flex-direction: column; justify-content: center; padding: 48px; }
.xy-ref-a .xy-ref-stats { grid-template-columns: repeat(5, 1fr); gap: 8px; }
.xy-ref-a .xy-ref-stats article { position: relative; overflow: hidden; padding: 34px 32px; }
.xy-ref-a .xy-ref-stats article:after { content: ""; position: absolute; right: -40px; bottom: -50px; width: 150px; height: 150px; border: 1px solid rgba(154,243,239,.28); border-radius: 50%; }
.xy-ref-a .xy-ref-applications { background: radial-gradient(circle at 96% 12%, rgba(22,181,176,.18), transparent 27%), linear-gradient(180deg, #f6fbfc, #eaf5f7); }
.xy-ref-a .xy-ref-application-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.xy-ref-a .xy-ref-application-card { position: relative; min-height: 310px; overflow: hidden; color: #fff; background: var(--xy-deep); box-shadow: 0 22px 58px rgba(7,48,74,.12); isolation: isolate; }
.xy-ref-a .xy-ref-application-card img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; transform: scale(1.02); transition: transform .7s ease; }
.xy-ref-a .xy-ref-application-card:before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(7,48,74,.05) 0%, rgba(7,48,74,.35) 45%, rgba(7,48,74,.82) 100%); transition: background .3s ease; }
.xy-ref-a .xy-ref-application-card > span { position: absolute; right: 22px; top: 22px; display: inline-flex; align-items: center; justify-content: center; min-width: 92px; height: 32px; padding: 0 14px; color: #07304a; background: #9af3ef; border-radius: 999px; font-size: 12px; font-weight: 900; opacity: .96; }
.xy-ref-a .xy-ref-application-card div { position: absolute; left: 0; right: 0; bottom: 0; padding: 34px 30px; }
.xy-ref-a .xy-ref-application-card h3 { margin: 0 0 12px; font-size: 25px; line-height: 1.25; }
.xy-ref-a .xy-ref-application-card p { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; margin: 0; overflow: hidden; color: rgba(255,255,255,.84); line-height: 1.75; }
.xy-ref-a .xy-ref-application-card:hover img { transform: scale(1.09); }
.xy-ref-a .xy-ref-application-card:hover:before { background: linear-gradient(180deg, rgba(7,48,74,.12) 0%, rgba(7,48,74,.42) 45%, rgba(7,48,74,.88) 100%); }
.xy-ref-a .xy-ref-why { margin: 0; }
.xy-ref-a .xy-ref-why-grid { gap: 10px; }
.xy-ref-a .xy-ref-why-grid article { min-height: 260px; padding: 34px; }
.xy-ref-a .xy-honor-band, .xy-ref-a .xy-news-band { position: relative; width: 100%; overflow: hidden; }
.xy-ref-a .xy-honor-band { padding: 96px 0 88px; background: linear-gradient(115deg, #eaf3f7 0%, #f7fbfc 44%, #e1edf3 100%); }
.xy-ref-a .xy-news-band { padding: 90px 0 104px; margin-bottom: 92px; background: #fff; }
.xy-ref-a .xy-honor-band__bg, .xy-ref-a .xy-news-band__bg { position: absolute; inset: 0; pointer-events: none; }
.xy-ref-a .xy-honor-band__bg { background: radial-gradient(circle at 5% 20%, rgba(10,110,158,.16), transparent 28%), radial-gradient(circle at 96% 66%, rgba(200,148,62,.14), transparent 26%), linear-gradient(90deg, rgba(7,48,74,.08) 1px, transparent 1px), linear-gradient(0deg, rgba(7,48,74,.06) 1px, transparent 1px); background-size: auto, auto, 56px 56px, 56px 56px; }
.xy-ref-a .xy-news-band__bg { background: linear-gradient(90deg, rgba(10,110,158,.055) 1px, transparent 1px), radial-gradient(circle at 94% 12%, rgba(22,181,176,.16), transparent 24%); background-size: 54px 54px, auto; }
.xy-ref-a .xy-honor-band__inner, .xy-ref-a .xy-news-band__inner { position: relative; z-index: 1; }
.xy-ref-a .xy-honor-band__head, .xy-ref-a .xy-news-band__head { display: grid; grid-template-columns: minmax(420px, .92fr) minmax(420px, 1.08fr); gap: 58px; align-items: end; margin-bottom: 44px; }
.xy-ref-a .xy-honor-band__head span, .xy-ref-a .xy-news-band__head span { display: block; margin-bottom: 10px; color: var(--xy-primary); font-size: 14px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.xy-ref-a .xy-honor-band__head h2, .xy-ref-a .xy-news-band__head h2 { margin: 0; color: var(--xy-deep); font-size: clamp(34px, 3.2vw, 54px); line-height: 1.12; font-weight: 900; letter-spacing: -.035em; }
.xy-ref-a .xy-honor-band__head p, .xy-ref-a .xy-news-band__head p { margin: 0; color: #4e6472; font-size: 16px; line-height: 1.9; }
.xy-ref-a .xy-honor-band__head, .xy-ref-a .xy-news-band__head { display: block; max-width: 920px; margin: 0 auto 44px; text-align: center; }
.xy-ref-a .xy-honor-band__head > div, .xy-ref-a .xy-news-band__head > div { display: block; }
.xy-ref-a .xy-honor-band__head p, .xy-ref-a .xy-news-band__head p { max-width: 760px; margin-left: auto; margin-right: auto; }
.xy-ref-a .xy-honor-band__stage { display: grid; grid-template-columns: minmax(320px, .34fr) minmax(0, .66fr); gap: 34px; align-items: stretch; }
.xy-ref-a .xy-honor-band__copy { position: relative; margin-left: 0; padding: 34px; border: 1px solid rgba(7,48,74,.12); background: rgba(255,255,255,.72); box-shadow: 0 22px 60px rgba(7,48,74,.12); backdrop-filter: blur(6px); }
.xy-ref-a .xy-honor-band__label { display: inline-flex; align-items: center; gap: 10px; color: var(--xy-deep); font-size: 22px; font-weight: 900; }
.xy-ref-a .xy-honor-band__label:before { content: ""; width: 42px; height: 2px; background: #c8943e; }
.xy-ref-a .xy-honor-band__proofs { display: grid; gap: 9px; margin: 24px 0 26px; padding-left: 20px; border-left: 3px solid var(--xy-primary); }
.xy-ref-a .xy-honor-band__proofs strong { color: var(--xy-deep); font-size: 25px; line-height: 1.25; }
.xy-ref-a .xy-honor-band__proofs span { color: #58707d; font-size: 14px; line-height: 1.55; }
.xy-ref-a .xy-honor-band__cert-track { min-width: 0; margin-right: 0; padding-right: 0; }
.xy-ref-a .xy-honor-band__cert-rail { display: grid; grid-template-columns: repeat(4, minmax(160px, 1fr)); gap: 14px; }
.xy-ref-a .xy-honor-band__cert { display: block; min-width: 0; padding: 10px; color: var(--xy-deep); background: #fff; border: 1px solid rgba(7,48,74,.12); box-shadow: 0 12px 28px rgba(7,48,74,.12); transition: transform .35s ease, box-shadow .35s ease; }
.xy-ref-a .xy-honor-band__cert:hover { transform: translateY(-8px); box-shadow: 0 20px 38px rgba(7,48,74,.18); }
.xy-ref-a .xy-honor-band__cert span { display: block; margin-bottom: 8px; color: #8b9ba5; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.xy-ref-a .xy-honor-band__cert img { display: block; width: 100%; height: 190px; object-fit: cover; }
.xy-ref-a .xy-honor-band__cert--2 { transform: translateY(18px); }
.xy-ref-a .xy-honor-band__cert--2:hover { transform: translateY(10px); }
.xy-ref-a .xy-honor-band__cert--3 { transform: translateY(-8px); }
.xy-ref-a .xy-honor-band__cert--3:hover { transform: translateY(-16px); }
.xy-ref-a .xy-band-more { display: inline-flex; align-items: center; justify-content: center; min-width: 150px; height: 42px; margin-top: 22px; padding: 0 22px; color: #fff; background: var(--xy-deep); border-radius: 999px; font-size: 14px; font-weight: 800; letter-spacing: .04em; }
.xy-ref-a .xy-band-more:hover { color: #fff; background: var(--xy-primary); }
.xy-ref-a .xy-news-band__stage { display: grid; grid-template-columns: minmax(380px, .42fr) minmax(0, .58fr); gap: 22px; align-items: stretch; }
.xy-ref-a .xy-news-band__feature { display: grid; grid-template-rows: minmax(200px, auto) 1fr; overflow: hidden; background: var(--xy-deep); box-shadow: 0 24px 58px rgba(7,48,74,.18); }
.xy-ref-a .xy-news-band__feature-img { display: block; min-height: 200px; overflow: hidden; }
.xy-ref-a .xy-news-band__feature-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.xy-ref-a .xy-news-band__feature:hover .xy-news-band__feature-img img { transform: scale(1.06); }
.xy-ref-a .xy-news-band__feature-body { display: flex; flex-direction: column; justify-content: center; padding: 32px; }
.xy-ref-a .xy-news-band__feature-body span, .xy-ref-a .xy-news-band__insights article > span { display: inline-block; width: max-content; margin-bottom: 14px; padding: 5px 12px; color: var(--xy-deep); background: #dcecf3; font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.xy-ref-a .xy-news-band__feature-body span { color: #fff; background: rgba(255,255,255,.16); }
.xy-ref-a .xy-news-band__feature-body h3, .xy-ref-a .xy-news-band__insights h3 { margin: 0; font-size: 22px; line-height: 1.45; font-weight: 900; }
.xy-ref-a .xy-news-band__feature-body h3 a { color: #fff; }
.xy-ref-a .xy-news-band__feature-body > a { margin-top: 24px; color: #aee2ff; font-size: 14px; font-weight: 800; }
.xy-ref-a .xy-news-band__feed { display: flex; flex-direction: column; margin-right: 0; padding-right: 0; }
.xy-ref-a .xy-news-band__insights { display: grid; grid-template-columns: repeat(2, minmax(260px, 1fr)); gap: 18px; flex: 1; align-content: stretch; }
.xy-ref-a .xy-news-band__insights article { min-height: 248px; padding: 28px; display: flex; flex-direction: column; background: rgba(255,255,255,.92); border: 1px solid rgba(7,48,74,.1); box-shadow: 0 16px 35px rgba(7,48,74,.09); }
.xy-ref-a .xy-news-band__insights h3 { font-size: 18px; }
.xy-ref-a .xy-news-band__insights h3 a { color: var(--xy-deep); }
.xy-ref-a .xy-news-band__insights h3 a:hover { color: var(--xy-primary); }
.xy-ref-a .xy-news-band__insights p { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 4; margin: 14px 0 0; overflow: hidden; color: #657783; font-size: 14px; line-height: 1.78; }
.xy-ref-a .xy-news-band__line { justify-content: flex-start; padding: 28px !important; }
.xy-ref-a .xy-news-band__line time { flex: 0 0 auto; align-self: flex-start; min-width: 78px; margin-bottom: 14px; padding: 6px 0; text-align: center; color: #fff; background: var(--xy-primary); border-radius: 6px; font-size: 13px; font-weight: 900; letter-spacing: .04em; }
.xy-ref-a .xy-news-band__line h3 { margin: 0 0 14px; font-size: 16px; line-height: 1.5; }
.xy-ref-a .xy-news-band__line-more { margin-top: auto; align-self: flex-start; color: var(--xy-primary); font-size: 14px; font-weight: 800; }
.xy-ref-a .xy-news-band__line-more:hover { color: var(--xy-deep); }
.xy-ref-a .xy-band-more--news { margin-top: 18px; background: var(--xy-primary); }
.xy-ref-a .xy-honor-band [data-aos], .xy-ref-a .xy-news-band [data-aos] { opacity: 1 !important; transform: none !important; }
.xy-ref-a #go_top { right: 22px; bottom: 86px; width: 58px; z-index: 120; padding: 8px 0; border: 1px solid rgba(255,255,255,.58); border-radius: 999px; background: rgba(255,255,255,.78); box-shadow: 0 18px 44px rgba(7,48,74,.18); backdrop-filter: blur(14px); }
.xy-ref-a .right-btn-group { width: 58px; margin: 0; }
.xy-ref-a .right-btn-group .to-top, .xy-ref-a .right-btn-group .to-top2 { position: relative; width: 58px; height: 58px; margin: 0; }
.xy-ref-a .right-btn-group .to-top2 { margin-top: 4px; }
.xy-ref-a #go_top a.t1, .xy-ref-a .right-btn-group .to-top a, .xy-ref-a .right-btn-group .to-top2 a { position: relative; display: block; width: 46px; height: 46px; margin: 6px auto; border-radius: 50%; background: linear-gradient(135deg, #0a6e9e, #16b5b0); box-shadow: 0 10px 24px rgba(10,110,158,.22); transition: transform .22s ease, box-shadow .22s ease, background .22s ease; }
.xy-ref-a #go_top a.t1 { margin-top: 10px; }
.xy-ref-a #go_top a.t1:hover, .xy-ref-a .right-btn-group .to-top a:hover, .xy-ref-a .right-btn-group .to-top2 a:hover { background: linear-gradient(135deg, #07304a, #0a6e9e); box-shadow: 0 14px 30px rgba(7,48,74,.28); transform: translateY(-2px); }
.xy-ref-a .right-btn-group .to-top a:before, .xy-ref-a .right-btn-group .to-top2 a:before, .xy-ref-a #go_top a.t1:before { content: ""; position: absolute; left: 50%; top: 50%; width: 18px; height: 18px; transform: translate(-50%, -50%); background: none; }
.xy-ref-a .right-btn-group .to-top a:before { width: 23px; height: 23px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M6.62 10.79c1.44 2.83 3.76 5.15 6.59 6.59l2.2-2.2c.28-.28.67-.36 1.03-.25 1.13.37 2.35.57 3.56.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1C10.61 21 3 13.39 3 4c0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.21.2 2.43.57 3.56.11.36.03.75-.25 1.03l-2.2 2.2Z'/%3E%3C/svg%3E") center / contain no-repeat; }
.xy-ref-a .right-btn-group .to-top a:after { display: none; }
.xy-ref-a .right-btn-group .to-top2 a:before { width: 22px; height: 16px; border: 2px solid #fff; border-radius: 3px; }
.xy-ref-a .right-btn-group .to-top2 a:after { content: ""; position: absolute; left: 13px; top: 18px; width: 18px; height: 18px; border-left: 2px solid #fff; border-top: 2px solid #fff; transform: rotate(45deg) skew(-8deg, -8deg); transform-origin: center; }
.xy-ref-a #go_top a.t1:before { width: 13px; height: 13px; border-left: 2px solid #fff; border-top: 2px solid #fff; transform: translate(-50%, -35%) rotate(45deg); }
.xy-ref-a #go_top a.t1:after { content: ""; position: absolute; left: 50%; top: 17px; width: 2px; height: 16px; border-radius: 999px; background: #fff; transform: translateX(-50%); }
.xy-ref-a .right-btn-group .to-top span, .xy-ref-a .right-btn-group .to-top2 span { display: block; position: absolute; top: 6px; right: 64px; left: auto; width: auto; min-width: 158px; height: 46px; padding: 0 18px; color: #07304a; border: 1px solid rgba(10,110,158,.13); border-radius: 999px; background: rgba(255,255,255,.96); box-shadow: 0 14px 36px rgba(7,48,74,.15); font-size: 14px; line-height: 46px; text-align: center; white-space: nowrap; opacity: 0; pointer-events: none; transform: translateX(10px); transition: opacity .2s ease, transform .2s ease; }
.xy-ref-a .right-btn-group .to-top:hover span, .xy-ref-a .right-btn-group .to-top2:hover span { opacity: 1; transform: translateX(0); }
.xy-ref-a .right-btn-group .to-top span:after, .xy-ref-a .right-btn-group .to-top2 span:after { content: ""; position: absolute; top: 18px; right: -6px; width: 10px; height: 10px; border: 0; border-right: 1px solid rgba(10,110,158,.13); border-top: 1px solid rgba(10,110,158,.13); background: rgba(255,255,255,.96); transform: rotate(45deg); }

@media (max-width: 1080px) {
    /* Keep floating phone/email/back-top buttons visible on mobile, above the bottom nav. */
    .xy-ref-a #go_top { right: 14px; bottom: 74px; width: 48px; padding: 6px 0; }
    .xy-ref-a #go_top a.t1 { width: 40px; height: 40px; margin: 6px auto; }
    .xy-ref-a .right-btn-group { width: 48px; margin: 0; }
    .xy-ref-a .right-btn-group .to-top, .xy-ref-a .right-btn-group .to-top2 { width: 48px; height: 48px; }
    .xy-ref-a .right-btn-group .to-top a, .xy-ref-a .right-btn-group .to-top2 a { width: 40px; height: 40px; margin: 4px auto; }
    .xy-ref-a .right-btn-group .to-top span, .xy-ref-a .right-btn-group .to-top2 span { display: none !important; }
}

@media (max-width: 1440px) {
    .xy-ref-a .xy-ref-wrap, .xy-ref-a .xy-ref-switch .xy-ref-wrap, .xy-ref-a .xy-ref-hot__inner { width: min(100% - 12px, 1820px); }
    .xy-ref-a .xy-ref-product-grid { gap: 8px; }
    .xy-ref-a .xy-ref-product-card__body { padding: 22px; }
    .xy-ref-a .preview-header__actions { margin-left: 20px; }
    .xy-ref-a .preview-inquiry { min-width: 96px; padding: 0 14px; }
}
@media (max-width: 1080px) {
    .xy-ref-a .xy-ref-wrap, .xy-ref-a .xy-ref-switch .xy-ref-wrap, .xy-ref-a .xy-ref-hot__inner { width: min(100% - 16px, 1060px); }
    .xy-ref-a .xy-ref-section { padding: 76px 0; }
    .xy-ref-a .preview-header__actions { margin-left: 0; }
    .xy-ref-a .preview-hero__copy { width: min(100% - 34px, 920px); padding: 110px 0 86px; }
    .xy-ref-a .xy-ref-about__grid, .xy-ref-a .xy-ref-news-grid { grid-template-columns: 1fr; }
    .xy-ref-a .xy-ref-stats, .xy-ref-a .xy-ref-application-grid { grid-template-columns: repeat(2, 1fr); }
    .xy-ref-a .xy-ref-about-slider { min-height: 380px; }
    .xy-ref-a .xy-ref-about-slider__track { height: 360px; }
    .xy-ref-a .xy-ref-about__copy { min-height: 0; }
    .xy-ref-a .xy-ref-news-main img { height: 300px; }
    .xy-ref-a .xy-honor-band { padding: 68px 0 72px; }
    .xy-ref-a .xy-news-band { margin-bottom: 54px; padding: 68px 0 72px; }
    .xy-ref-a .xy-honor-band__head, .xy-ref-a .xy-news-band__head, .xy-ref-a .xy-honor-band__stage, .xy-ref-a .xy-news-band__stage { grid-template-columns: 1fr; gap: 28px; }
    .xy-ref-a .xy-honor-band__copy, .xy-ref-a .xy-honor-band__cert-track, .xy-ref-a .xy-news-band__feed { margin-left: 0; margin-right: 0; padding-left: 24px; padding-right: 24px; }
    .xy-ref-a .xy-honor-band__cert-rail { grid-template-columns: repeat(2, minmax(130px, 1fr)); }
    .xy-ref-a .xy-news-band__feature { grid-template-rows: auto; }
    .xy-ref-a .xy-news-band__feature-img { min-height: 220px; }
    .xy-ref-a .xy-news-band__insights { grid-template-columns: 1fr; }
    .xy-ref-a .xy-news-band__insights article { min-height: 0; }
}
@media (max-width: 640px) {
    .xy-ref-a .xy-ref-wrap, .xy-ref-a .xy-ref-switch .xy-ref-wrap, .xy-ref-a .xy-ref-hot__inner { width: min(100% - 16px, 640px); }
    .xy-ref-a .xy-ref-section { padding: 58px 0; }
    .xy-ref-a .xy-ref-heading { margin-bottom: 32px; }
    .xy-ref-a .preview-header__actions { gap: 10px; }
    .xy-ref-a .preview-inquiry { height: 34px; min-width: 94px; font-size: 13px; }
    .xy-ref-a .preview-hero { min-height: 580px; }
    .xy-ref-a .preview-hero__copy { width: min(100% - 34px, 620px); padding: 58px 0 76px; }
    .xy-ref-a .preview-hero__copy > p { font-size: 12px; letter-spacing: .12em; }
    .xy-ref-a .preview-hero__copy h1 { font-size: 34px; }
    .xy-ref-a .preview-hero__copy div { font-size: 15px; line-height: 1.75; }
    .xy-ref-a .preview-hero__actions a { min-width: 136px; height: 44px; padding: 0 20px; }
    .xy-ref-a .xy-ref-stats, .xy-ref-a .xy-ref-application-grid { grid-template-columns: 1fr; }
    .xy-ref-a .xy-ref-stats article { padding: 28px 24px; }
    .xy-ref-a .xy-ref-application-card { min-height: 260px; }
    .xy-ref-a .xy-ref-application-card div { padding: 26px 22px; }
    .xy-ref-a .xy-ref-application-card h3 { font-size: 22px; }
    .xy-ref-a .xy-ref-about-slider { min-height: 280px; padding: 7px; border-radius: 22px; }
    .xy-ref-a .xy-ref-about-slider__track { height: 266px; border-radius: 16px; }
    .xy-ref-a .xy-ref-about-slider:before { left: 18px; bottom: 20px; max-width: calc(100% - 96px); font-size: 10px; letter-spacing: .08em; }
    .xy-ref-a .xy-ref-about-slider:after { inset: auto 7px 7px 7px; border-radius: 0 0 16px 16px; }
    .xy-ref-a .xy-ref-about-slider__arrow { width: 34px; height: 34px; }
    .xy-ref-a .xy-ref-about-slider__arrow--prev { left: 16px; }
    .xy-ref-a .xy-ref-about-slider__arrow--next { right: 16px; }
    .xy-ref-a .xy-ref-about-slider__dots { right: 18px; bottom: 23px; }
    .xy-ref-a .xy-ref-about__copy { padding: 26px; }
    .xy-ref-a .xy-ref-news-list article:not(.xy-ref-news-line) { grid-template-columns: 1fr; }
    .xy-ref-a .xy-ref-news-list img { width: 100%; height: 180px; }
    .xy-ref-a .xy-honor-band, .xy-ref-a .xy-news-band { padding: 54px 0 62px; }
    .xy-ref-a .xy-honor-band__head, .xy-ref-a .xy-news-band__head { margin: 0 auto 26px; text-align: center; }
    .xy-ref-a .xy-honor-band__head h2, .xy-ref-a .xy-news-band__head h2 { font-size: 27px; }
    .xy-ref-a .xy-honor-band__head p, .xy-ref-a .xy-news-band__head p { font-size: 14px; line-height: 1.75; }
    .xy-ref-a .xy-honor-band__copy, .xy-ref-a .xy-honor-band__cert-track, .xy-ref-a .xy-news-band__feed { padding-left: 18px; padding-right: 18px; }
    .xy-ref-a .xy-honor-band__cert-rail { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 10px; }
    .xy-ref-a .xy-honor-band__cert { flex: 0 0 178px; }
    .xy-ref-a .xy-honor-band__cert--2, .xy-ref-a .xy-honor-band__cert--3 { transform: none; }
    .xy-ref-a .xy-honor-band__cert img { height: 138px; }
    .xy-ref-a .xy-news-band__feature-body { padding: 24px; }
    .xy-ref-a .xy-news-band__feature-body h3 { font-size: 19px; }
    .xy-ref-a .xy-news-band__insights article { padding: 20px; }
}

@media (prefers-reduced-motion: reduce) {
    .xy-ref-a .xy-ref-about-slider__slide, .xy-ref-a .xy-ref-about-slider__slide img { transition: none; transform: none; }
    .xy-ref-a .xy-ref-about-slider__slide.is-active img { transform: none; }
}