/* Tech: restrained dark surfaces, precise grid and cold light. */
:root {
  --wrap: 1280px; --gutter: clamp(18px, 4vw, 44px); --head-h: 76px;
  --sec-y: clamp(64px, 8vw, 112px); --radius: 12px; --radius-lg: 20px;
  --t-h1: clamp(40px, 6vw, 78px); --t-h2: clamp(27px, 3.2vw, 42px); --t-h3: 19px;
  --shadow: 0 20px 64px color-mix(in srgb, var(--c-bg) 35%, transparent);
}
html { scroll-padding-top: calc(var(--head-h) + 20px); }
body.t-tech { background: var(--c-bg); color: var(--c-ink); font-size: 16px; }
body.t-tech a:hover { color: var(--c-primary); }
body.t-tech :focus-visible { outline-color: var(--c-primary); }
.wrap { max-width: calc(var(--wrap) + var(--gutter) * 2); }
.sec-alt { background: var(--c-surface); }
.btn-primary { background: var(--c-primary); color: var(--c-primary-ink); box-shadow: 0 0 26px color-mix(in srgb, var(--c-glow) 24%, transparent); }
.btn-primary:hover { background: var(--c-primary-dark); color: var(--c-primary-ink); transform: translateY(-1px); }
.btn-ghost, .btn-secondary { color: var(--c-ink); background: color-mix(in srgb, var(--c-surface) 82%, transparent); border-color: var(--c-line); }
.btn-ghost:hover, .btn-secondary:hover { color: var(--c-primary); border-color: var(--c-primary); background: var(--c-surface); }
.btn-outline-accent { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; padding: 0 17px; border: 1px solid var(--c-primary); border-radius: 8px; color: var(--c-primary); font-size: 14px; font-weight: 650; background: color-mix(in srgb, var(--c-bg) 76%, transparent); transition: background .2s, box-shadow .2s; }
.btn-outline-accent:hover { color: var(--c-primary); background: color-mix(in srgb, var(--c-primary) 10%, var(--c-bg)); box-shadow: 0 0 22px color-mix(in srgb, var(--c-glow) 18%, transparent); }

/* Floating glass navigation */
.tech-header { position: sticky; top: 0; z-index: 55; color: var(--c-ink); background: color-mix(in srgb, var(--c-bg) 78%, transparent); border-bottom: 1px solid color-mix(in srgb, var(--c-line) 68%, transparent); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
.tech-header-in { min-height: var(--head-h); display: flex; align-items: center; gap: clamp(20px, 3vw, 48px); }
.tech-header .logo-mark { width: 40px; height: 40px; border-radius: 11px; }
.tech-header .logo-text b { font-size: 17px; color: var(--c-ink); }
.tech-header .logo-text small, .foot .logo-text small { font-size: 12px; }
.tech-header .logo-text small { color: var(--c-muted); }
.tech-nav { flex: 1; min-width: 0; }
.tech-nav .menu > ul { justify-content: center; gap: 2px; }
.tech-nav .menu > ul > li > a { height: var(--head-h); padding: 0 clamp(9px, 1.15vw, 17px); color: var(--c-muted); font-size: 14px; white-space: nowrap; }
.tech-nav .menu > ul > li > a:hover, .tech-nav .menu > ul > li.on > a { color: var(--c-ink); }
.tech-nav .menu > ul > li.on > a::after { position: absolute; content: ""; left: 16px; right: 16px; bottom: 13px; height: 2px; background: var(--c-primary); box-shadow: 0 0 12px var(--c-glow); }
.tech-nav .menu .sub { background: var(--c-surface); color: var(--c-ink); border: 1px solid var(--c-line); box-shadow: 0 18px 46px color-mix(in srgb, var(--c-bg) 70%, transparent); }
.tech-nav .menu .sub a:hover { background: color-mix(in srgb, var(--c-primary) 12%, var(--c-surface)); color: var(--c-primary); }
.tech-header-actions { display: flex; align-items: center; gap: 18px; }
.tech-header .langs summary { color: var(--c-muted); font-size: 13px; }
.tech-header .langs ul { background: var(--c-surface); border: 1px solid var(--c-line); color: var(--c-ink); }
.tech-header .langs ul a:hover, .tech-header .langs ul a[aria-current] { color: var(--c-primary); background: color-mix(in srgb, var(--c-primary) 12%, var(--c-surface)); }
.burger { display: none; color: var(--c-ink); border: 1px solid var(--c-line); }

/* Image-led two-column hero; slide copy remains semantic HTML. */
.tech-hero { position: relative; isolation: isolate; overflow: hidden; min-height: 670px; padding: 82px 0 0; background: var(--c-bg); }
.tech-hero::before { content: ""; position: absolute; z-index: -1; inset: 0; background: radial-gradient(ellipse at 78% 48%, color-mix(in srgb, var(--c-glow) 17%, transparent), transparent 34%), radial-gradient(ellipse at 16% 0%, color-mix(in srgb, var(--c-primary) 9%, transparent), transparent 36%); pointer-events: none; }
.hero-grid { position: absolute; z-index: -1; inset: 0; opacity: .55; background-image: linear-gradient(to right, color-mix(in srgb, var(--c-grid) 68%, transparent) 1px, transparent 1px), linear-gradient(to bottom, color-mix(in srgb, var(--c-grid) 68%, transparent) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(90deg, var(--c-ink), transparent 88%); }
.hero-in { position: relative; display: flex; align-items: center; min-height: 486px; }
.hero-copy { position: relative; z-index: 3; width: min(54%, 680px); padding: 22px 0 58px; }
.hero-eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 22px; color: var(--c-primary); font-size: 13px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.hero-eyebrow i { width: 7px; height: 7px; border-radius: 50%; background: var(--c-primary); box-shadow: 0 0 16px var(--c-glow); }
.hero-copy h1 { max-width: 750px; margin: 0; color: var(--c-ink); font-size: var(--t-h1); line-height: 1.06; letter-spacing: -.055em; overflow-wrap: anywhere; }
.hero-lead { max-width: 570px; margin: 22px 0 0; color: var(--c-muted); font-size: clamp(17px, 1.55vw, 20px); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 31px; }
.hero-pagination { display: flex; align-items: center; gap: 12px; margin-top: 44px; color: var(--c-muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.hero-pagination span:first-child { color: var(--c-primary); }
.hero-pagination i { width: 92px; height: 1px; background: var(--c-line); }
.hero-visual { position: absolute; inset: -44px calc(var(--gutter) * -1) 0 32%; z-index: 1; pointer-events: none; }
.hero-image-stack { position: absolute; inset: 0; overflow: hidden; }
.hero-image-stack .slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .8s ease, visibility .8s; }
.hero-image-stack .slide.on { opacity: 1; visibility: visible; }
.hero-image-stack .slide:not(.has-text)::after { content: ""; position: absolute; z-index: 2; inset: 0; background: linear-gradient(90deg, var(--c-bg) 0%, color-mix(in srgb, var(--c-bg) 90%, transparent) 9%, color-mix(in srgb, var(--c-bg) 24%, transparent) 39%, transparent 67%), linear-gradient(0deg, color-mix(in srgb, var(--c-bg) 65%, transparent), transparent 24%); pointer-events: none; }
.hero-image-stack .slide img { width: 100%; height: 100%; object-fit: cover; object-position: center; opacity: .87; }
.hero-image-stack .slide.has-text img { opacity: 1; object-fit: contain; animation: none; }
.hero-copy.is-hidden { visibility: hidden; }
.hero-orbit { display: none; }
.hero-visual-placeholder { position: absolute; right: 15%; top: 24%; display: grid; place-items: center; width: 42%; aspect-ratio: 1; border: 1px solid var(--c-line); border-radius: 50%; color: var(--c-primary); background: color-mix(in srgb, var(--c-surface) 64%, transparent); }
.hero-visual-placeholder .ic { width: 26%; height: 26%; }
.visual-label { position: absolute; z-index: 3; right: clamp(50px, 9vw, 140px); bottom: 72px; max-width: 250px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding: 9px 13px; border: 1px solid color-mix(in srgb, var(--c-ink) 20%, transparent); border-radius: 7px; color: var(--c-ink); font-size: 12px; background: color-mix(in srgb, var(--c-bg) 52%, transparent); backdrop-filter: blur(10px); }
.hero-stats { position: relative; z-index: 4; padding-bottom: 34px; }
.hero-stats ul { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid color-mix(in srgb, var(--c-primary) 30%, var(--c-line)); border-radius: 14px; overflow: hidden; background: color-mix(in srgb, var(--c-surface) 78%, transparent); backdrop-filter: blur(16px); box-shadow: 0 0 45px color-mix(in srgb, var(--c-glow) 9%, transparent); }
.hero-stats li { position: relative; min-width: 0; min-height: 100px; display: grid; grid-template-columns: auto 1fr; align-content: center; align-items: baseline; gap: 3px 13px; padding: 18px clamp(14px, 2.4vw, 32px); border-left: 1px solid var(--c-line); }
.hero-stats li:first-child { border-left: 0; }
.stat-index { grid-row: 1 / span 2; align-self: start; color: var(--c-primary); font: 600 12px/1.6 var(--f-body); font-variant-numeric: tabular-nums; }
.hero-stats b { min-width: 0; color: var(--c-ink); font: 700 clamp(23px, 2.3vw, 31px)/1.1 var(--f-head); font-variant-numeric: tabular-nums; }
.hero-stats b small { margin-left: 4px; color: var(--c-primary); font-size: 13px; font-weight: 600; }
.stat-label { grid-column: 2; color: var(--c-muted); font-size: 13px; line-height: 1.35; }
.tech-hero.is-plain { min-height: 0; padding: 0; background: var(--c-bg); }
.plain-frame { width: 100%; aspect-ratio: var(--hero-ratio, 16/9); overflow: hidden; background: var(--c-bg); }
.plain-slides { position: relative; width: 100%; height: 100%; }
.plain-slide { position: absolute; inset: 0; display: none; }
.plain-slide.on { display: block; }
.plain-frame .slide img { width: 100%; height: 100%; object-fit: contain; animation: none; }
.plain-frame .carousel .slide img, .plain-frame .carousel .slide.on img { object-fit: contain; animation: none; }
.plain-note { display: flex; justify-content: space-between; gap: 16px; padding-top: 14px; padding-bottom: 18px; color: var(--c-muted); font-size: 13px; }

/* Section rhythm, product light cards, technical connections */
.sec-head { align-items: flex-end; padding-bottom: 20px; border-bottom: 1px solid var(--c-line); }
.sec-head.is-center { border: 0; padding-bottom: 0; }
.kicker { color: var(--c-primary); font-size: 12px; letter-spacing: .13em; }
.sec-title { color: var(--c-ink); letter-spacing: -.035em; }
.sec-text, .lead { color: var(--c-muted); }
.sec-link { color: var(--c-primary); }
.featured { background: linear-gradient(180deg, var(--c-bg), color-mix(in srgb, var(--c-surface) 58%, var(--c-bg))); }
.pgrid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 18px; }
.pgrid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.pcard { min-width: 0; background: linear-gradient(145deg, color-mix(in srgb, var(--c-surface) 96%, var(--c-primary)), var(--c-surface) 72%); border: 1px solid var(--c-line); border-radius: 14px; box-shadow: inset 0 1px color-mix(in srgb, var(--c-ink) 5%, transparent); }
.pcard:hover { border-color: color-mix(in srgb, var(--c-primary) 70%, var(--c-line)); box-shadow: 0 14px 42px color-mix(in srgb, var(--c-bg) 38%, transparent), 0 0 28px color-mix(in srgb, var(--c-glow) 12%, transparent); }
.pcard-img { aspect-ratio: 4/3; background: color-mix(in srgb, var(--c-bg) 55%, var(--c-surface)); }
.pcard-img img, .pcard-img .ph { object-fit: contain; padding: 12px; }
.pcard-body { padding: 18px 19px 20px; }
.pcard-title { color: var(--c-ink); font-size: 17px; }
.pcard-sum { color: var(--c-muted); font-size: 14px; line-height: 1.6; }
.pcard-more { color: var(--c-primary); }
.pcard-ask { background: color-mix(in srgb, var(--c-primary) 13%, var(--c-surface)); color: var(--c-primary); font-size: 13px; }
.pcard-ask:hover { background: var(--c-primary); color: var(--c-primary-ink); }
.cat-card { color: var(--c-ink); background: var(--c-surface); border: 1px solid var(--c-line); border-radius: 14px; overflow: hidden; }
.cat-card:hover { border-color: var(--c-primary); box-shadow: 0 0 24px color-mix(in srgb, var(--c-glow) 10%, transparent); }
.cat-img { background: color-mix(in srgb, var(--c-bg) 55%, var(--c-surface)); }
.cat-body b { color: var(--c-ink); font-size: 17px; }
.cat-body small { color: var(--c-muted); font-size: 14px; }
.cat-body em { color: var(--c-primary); }
.about-home, .about-intro { background: var(--c-bg); }
.about-grid { gap: clamp(34px, 7vw, 90px); align-items: center; }
.about-grid.is-text-only .about-text { grid-column: 1 / -1; max-width: 860px; margin: 0 auto; }
.about-media { border-radius: 18px; overflow: hidden; border: 1px solid var(--c-line); background: var(--c-surface); box-shadow: 0 0 50px color-mix(in srgb, var(--c-glow) 9%, transparent); }
.about-media img { width: 100%; aspect-ratio: 1.18; object-fit: cover; }
.about-text .sec-title { margin-bottom: 17px; }
.about-text .lead, .about-text .prose { color: var(--c-muted); }
.mini-stats { border-top: 1px solid var(--c-line); }
.mini-stats li { border-bottom: 1px solid var(--c-line); }
.mini-stats b { color: var(--c-primary); }
.adv { position: relative; background: var(--c-surface); overflow: hidden; }
.adv::before { content: ""; position: absolute; top: -220px; right: -120px; width: 460px; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--c-glow) 9%, transparent), transparent 68%); pointer-events: none; }
.adv .sec-title { color: var(--c-ink); }
.tech-adv-grid { position: relative; gap: 1px; background: var(--c-line); border: 1px solid var(--c-line); border-radius: 15px; overflow: hidden; }
.tech-adv-grid::before { content: ""; position: absolute; z-index: 2; left: 8%; right: 8%; top: 50%; height: 1px; background: color-mix(in srgb, var(--c-primary) 44%, transparent); pointer-events: none; }
.adv-item { z-index: 1; padding: 30px; background: var(--c-surface); border: 0; border-radius: 0; }
.adv-item h3 { color: var(--c-ink); font-size: 18px; }
.adv-item p { color: var(--c-muted); line-height: 1.7; }
.adv-ic { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 22px; color: var(--c-primary); border: 1px solid color-mix(in srgb, var(--c-primary) 48%, var(--c-line)); background: color-mix(in srgb, var(--c-primary) 9%, var(--c-bg)); border-radius: 12px; box-shadow: 0 0 20px color-mix(in srgb, var(--c-glow) 10%, transparent); }
.adv-no { top: 30px; right: 30px; color: color-mix(in srgb, var(--c-ink) 22%, transparent); font: 600 14px/1 var(--f-body); font-variant-numeric: tabular-nums; }
.steps { gap: 28px; counter-reset: tech-step; }
.steps li { padding: 20px 0 0; border-top: 1px solid var(--c-line); }
.step-no { width: 40px; height: 40px; margin-top: -40px; margin-bottom: 24px; border: 1px solid var(--c-primary); border-radius: 50%; color: var(--c-primary); background: var(--c-bg); box-shadow: 0 0 0 8px var(--c-bg); font-variant-numeric: tabular-nums; }
.steps h3 { color: var(--c-ink); }
.steps p { color: var(--c-muted); }
.quotes { background: var(--c-surface); }
.quote { background: linear-gradient(140deg, color-mix(in srgb, var(--c-primary) 5%, var(--c-bg)), var(--c-bg)); border: 1px solid var(--c-line); border-radius: 14px; }
.quote blockquote { color: var(--c-ink); }
.quote figcaption span { color: var(--c-muted); }
.quote-ic { color: var(--c-primary); }

/* Application image feature */
.applications { padding-top: 10px; }
.applications-panel { position: relative; min-height: 500px; display: flex; align-items: flex-end; overflow: hidden; border: 1px solid var(--c-line); border-radius: 18px; background: var(--c-surface); isolation: isolate; }
.applications-photo, .applications-shade { position: absolute; z-index: -1; inset: 0; }
.applications-photo img { width: 100%; height: 100%; object-fit: cover; opacity: .67; }
.applications-shade { background: linear-gradient(90deg, color-mix(in srgb, var(--c-bg) 94%, transparent) 0%, color-mix(in srgb, var(--c-bg) 80%, transparent) 44%, color-mix(in srgb, var(--c-bg) 26%, transparent) 100%), linear-gradient(0deg, color-mix(in srgb, var(--c-bg) 88%, transparent), transparent 74%); }
.applications-content { width: min(740px, 78%); padding: clamp(28px, 5vw, 62px); }
.applications-content h2 { max-width: 640px; margin: 0; color: var(--c-ink); font-size: clamp(28px, 4vw, 48px); line-height: 1.14; letter-spacing: -.04em; }
.applications-lead { margin: 12px 0 27px; color: var(--c-muted); font-size: 16px; }
.applications-cats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; }
.applications-cats a { min-width: 0; min-height: 74px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 8px; padding: 12px; border: 1px solid color-mix(in srgb, var(--c-ink) 18%, transparent); border-radius: 9px; background: color-mix(in srgb, var(--c-bg) 76%, transparent); color: var(--c-ink); backdrop-filter: blur(10px); }
.applications-cats a:hover { border-color: var(--c-primary); color: var(--c-primary); }
.applications-cats a > span { color: var(--c-primary); font-size: 12px; }
.applications-cats b { min-width: 0; font-size: 14px; line-height: 1.35; overflow-wrap: anywhere; }
.applications-cats .ic { width: 16px; height: 16px; }
.applications-caption { position: absolute; right: 22px; top: 20px; max-width: 240px; color: var(--c-muted); font-size: 12px; }

/* Internal page framework */
.page-head { padding: 50px 0 40px; background: var(--c-surface); border-bottom: 1px solid var(--c-line); }
.page-head.has-bg { background: var(--c-dark); padding: 100px 0 48px; }
.page-head-bg::after { background: linear-gradient(90deg, color-mix(in srgb, var(--c-bg) 93%, transparent), color-mix(in srgb, var(--c-bg) 68%, transparent)); }
.page-title { font-size: clamp(34px, 4.4vw, 54px); letter-spacing: -.045em; }
.page-sub { color: var(--c-muted); }
.has-bg .page-sub { color: var(--c-ink); }
.crumbs { color: var(--c-muted); font-size: 13px; }
.crumbs a:hover { color: var(--c-primary); }
.tech-crumbs { padding-top: 26px; }
.plist { padding-top: 36px; }
.plist-side { gap: 20px; }
.catnav { padding: 14px; background: var(--c-surface); border: 1px solid var(--c-line); border-radius: 12px; }
.catnav-title, .side-contact-t { color: var(--c-ink); }
.catnav li a { color: var(--c-muted); }
.catnav li a em { background: var(--c-bg); color: var(--c-muted); }
.catnav li.on a { color: var(--c-primary-ink); background: var(--c-primary); }
.side-contact { background: var(--c-surface); border: 1px solid var(--c-line); border-radius: 12px; }
.sform { background: var(--c-surface); border-color: var(--c-line); }
.sform input { color: var(--c-ink); }
.empty { color: var(--c-muted); border: 1px dashed var(--c-line); border-radius: 14px; }
.pager a, .pager span { background: var(--c-surface); border-color: var(--c-line); color: var(--c-ink); }
.pager .cur { background: var(--c-primary); border-color: var(--c-primary); color: var(--c-primary-ink); }
.pager a:hover { border-color: var(--c-primary); color: var(--c-primary); }

/* Product stage and precision spec table */
.tech-product { padding-top: 24px; }
.tech-product .pd-main { position: relative; aspect-ratio: 1.12; background: radial-gradient(ellipse at 50% 48%, color-mix(in srgb, var(--c-primary) 12%, var(--c-surface)), var(--c-surface) 56%); border: 1px solid var(--c-line); border-radius: 16px; }
.tech-product .pd-main img { object-fit: contain; padding: clamp(20px, 4vw, 54px); }
.stage-mark { position: absolute; left: 18px; bottom: 16px; max-width: 70%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding: 6px 10px; border: 1px solid var(--c-line); border-radius: 6px; color: var(--c-muted); background: color-mix(in srgb, var(--c-bg) 84%, transparent); font-size: 12px; }
.pd-thumbs button { background: var(--c-surface); border-color: var(--c-line); }
.pd-thumbs button.on { border-color: var(--c-primary); box-shadow: 0 0 12px color-mix(in srgb, var(--c-glow) 15%, transparent); }
.pd-cat { color: var(--c-primary); background: color-mix(in srgb, var(--c-primary) 10%, var(--c-surface)); }
.pd-title { color: var(--c-ink); font-size: clamp(30px, 3.7vw, 44px); letter-spacing: -.04em; }
.pd-sum { color: var(--c-muted); }
.pd-keys { background: var(--c-line); border-color: var(--c-line); border-radius: 10px; }
.pd-keys div { background: var(--c-surface); }
.pd-keys dt { color: var(--c-muted); }
.pd-keys dd { color: var(--c-ink); font-variant-numeric: tabular-nums; }
.pd-promise { color: var(--c-muted); }
.pd-body { padding-top: 20px; }
.pd-h { color: var(--c-ink); border-bottom: 1px solid var(--c-line); font-size: 22px; }
.pd-h::after { height: 1px; background: var(--c-primary); box-shadow: 0 0 10px var(--c-glow); }
.spec { color: var(--c-ink); font-variant-numeric: tabular-nums; }
.spec th, .spec td { border-bottom: 1px solid color-mix(in srgb, var(--c-line) 76%, transparent); }
.spec th { color: var(--c-muted); background: transparent; font-weight: 500; }
.spec tr:nth-child(even) { background: color-mix(in srgb, var(--c-surface) 64%, transparent); }
.pd-form { background: linear-gradient(145deg, var(--c-surface), color-mix(in srgb, var(--c-bg) 40%, var(--c-surface))); border-color: var(--c-line); box-shadow: 0 18px 56px color-mix(in srgb, var(--c-bg) 46%, transparent); }
.pd-form .pd-h { border-bottom: 1px solid var(--c-line); }

/* Forms and prose */
.field { color: var(--c-ink); font-size: 14px; }
.field input, .field textarea { min-height: 46px; color: var(--c-ink); background: color-mix(in srgb, var(--c-bg) 60%, var(--c-surface)); border-color: var(--c-line); border-radius: 8px; }
.field input::placeholder, .field textarea::placeholder { color: var(--c-muted); }
.field input:focus, .field textarea:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-primary) 17%, transparent), 0 0 22px color-mix(in srgb, var(--c-glow) 12%, transparent); }
.iform-note { color: var(--c-muted); }
.iform-msg { color: var(--c-ink); }
.prose { color: var(--c-ink); overflow-wrap: anywhere; }
.prose h2, .prose h3 { color: var(--c-ink); }
.prose a { color: var(--c-primary); }
.prose blockquote { color: var(--c-muted); background: var(--c-surface); }
.prose th { background: var(--c-surface); }
.prose img { max-width: 100%; height: auto; }
.article { padding-top: 24px; }
.article-head h1 { color: var(--c-ink); }
.article-head time, .article-lead { color: var(--c-muted); }
.article-cover { border: 1px solid var(--c-line); }
.article-cover img { background: var(--c-surface); }
.article-foot { border-color: var(--c-line); }
.ncard { background: var(--c-surface); border: 1px solid var(--c-line); border-radius: 13px; overflow: hidden; }
.ncard-img { border-radius: 0; background: var(--c-bg); }
.ncard-body { padding: 17px 18px 20px; }
.ncard-date, .ncard-sum { color: var(--c-muted); }
.ncard-title { color: var(--c-ink); }
.ncard-title a:hover { color: var(--c-primary); }
.faq-list details { border-color: var(--c-line); }
.faq-list summary { color: var(--c-ink); }
.faq-list p { color: var(--c-muted); }
.clients { border-block: 1px solid var(--c-line); }
.clients-t, .clients-list li { color: var(--c-muted); }
.cert-list li { background: var(--c-surface); border-color: var(--c-line); color: var(--c-ink); }
.tl { border-color: var(--c-line); }
.tl li::before { box-shadow: 0 0 0 4px var(--c-bg), 0 0 16px color-mix(in srgb, var(--c-glow) 35%, transparent); }
.tl b { color: var(--c-primary); }
.tl p { color: var(--c-muted); }
.gal-grid figure { border: 1px solid var(--c-line); }
.contact-info .sec-title, .contact-form .sec-title { color: var(--c-ink); }
.contact-person { color: var(--c-muted); }
.contact-form { background: var(--c-surface); border-color: var(--c-line); box-shadow: none; }
.wx-qr { background: var(--c-surface); border-color: var(--c-line); }
.wx-qr figcaption { color: var(--c-muted); }
.clist { color: var(--c-ink); }
.clist-ic { color: var(--c-primary); background: color-mix(in srgb, var(--c-primary) 11%, var(--c-surface)); }
.clist-tx small { color: var(--c-muted); }
.cta { color: var(--c-ink); background: var(--c-surface); }
.tech-cta { position: relative; overflow: hidden; border-block: 1px solid var(--c-line); }
.tech-cta::after { content: ""; position: absolute; top: -100px; right: -70px; width: 390px; height: 390px; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--c-glow) 12%, transparent), transparent 68%); pointer-events: none; }
.cta h2 { color: var(--c-ink); }
.cta p { color: var(--c-muted); opacity: 1; }
.cta-phone { color: var(--c-ink); }
.cta-phone:hover { color: var(--c-primary); }
.nf-code { opacity: .55; }

/* Footer and full-screen mobile drawer */
.foot { background: var(--c-dark); color: var(--c-dark-ink); border-top: 1px solid var(--c-line); }
.foot .logo-text b, .foot h4 { color: var(--c-dark-ink); }
.foot a { color: var(--c-dark-ink); }
.foot a:hover { color: var(--c-primary); }
.foot-bar { border-color: var(--c-line); opacity: 1; color: var(--c-muted); }
.tech-foot-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 36px; padding-top: 60px; padding-bottom: 48px; }
.tech-foot-grid .foot-brand { min-width: 0; }
.foot .langs summary { color: var(--c-dark-ink); }
.foot .langs ul { background: var(--c-surface); border: 1px solid var(--c-line); color: var(--c-ink); }
.drawer-mask { background: color-mix(in srgb, var(--c-bg) 76%, transparent); backdrop-filter: blur(5px); }
.drawer-panel { width: 100%; max-width: none; gap: 22px; padding: max(18px, env(safe-area-inset-top)) clamp(22px, 7vw, 48px) max(26px, env(safe-area-inset-bottom)); color: var(--c-ink); background: var(--c-bg); border-left: 1px solid var(--c-line); }
.drawer-panel::before { content: ""; position: absolute; z-index: -1; inset: 0; background: radial-gradient(ellipse at 100% 0%, color-mix(in srgb, var(--c-glow) 11%, transparent), transparent 45%); pointer-events: none; }
.drawer-top { min-height: 56px; }
.drawer-search { color: var(--c-muted); background: var(--c-surface); border: 1px solid var(--c-line); }
.drawer-search input { color: var(--c-ink); }
.drawer-nav > a, .drawer-nav summary { min-height: 56px; padding: 14px 4px; border-color: var(--c-line); color: var(--c-ink); font-size: 18px; }
.drawer-nav details a { color: var(--c-muted); }
.drawer-nav .on { color: var(--c-primary); }
.drawer-langs a { color: var(--c-muted); border-color: var(--c-line); }
.drawer-langs a.on { color: var(--c-primary); border-color: var(--c-primary); }
.drawer-contact .clist-ic { background: var(--c-surface); }
.mbar { background: color-mix(in srgb, var(--c-bg) 92%, transparent); border-color: var(--c-line); backdrop-filter: blur(14px); }
.mbar a { color: var(--c-muted); min-height: 46px; }
.mbar a.mbar-main { color: var(--c-primary-ink); background: var(--c-primary); }
.skip:focus { color: var(--c-primary-ink); }
.dw-preview-bar { background: color-mix(in srgb, var(--c-surface) 92%, transparent); border: 1px solid var(--c-line); color: var(--c-ink); }

@media (max-width: 1080px) {
  .tech-header-in { gap: 18px; }
  .tech-nav .menu > ul > li > a { padding: 0 8px; font-size: 13px; }
  .tech-header-actions { gap: 12px; }
  .pgrid-4 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hero-copy { width: 58%; }
  .hero-visual { left: 35%; }
}
@media (max-width: 860px) {
  :root { --head-h: 62px; --sec-y: 68px; }
  body.has-mbar { padding-bottom: 72px; }
  .tech-header-in { justify-content: space-between; min-height: var(--head-h); }
  .tech-nav { display: none; }
  .tech-header-actions { margin-left: auto; }
  .tech-header-actions > .langs, .tech-header-actions > .btn { display: none; }
  .burger { display: inline-grid; margin-right: -8px; }
  .tech-hero { min-height: 0; padding: 0 0 20px; }
  .hero-in { display: flex; flex-direction: column-reverse; align-items: stretch; min-height: 0; }
  .hero-visual { position: relative; inset: auto; height: auto; width: calc(100% + var(--gutter) * 2); margin: 0 calc(var(--gutter) * -1); aspect-ratio: 1.62; overflow: hidden; }
  .hero-image-stack { inset: 0; }
  .hero-image-stack .slide:not(.has-text)::after { background: linear-gradient(0deg, var(--c-bg) 0%, color-mix(in srgb, var(--c-bg) 60%, transparent) 18%, transparent 62%); }
  .hero-image-stack .slide img { object-position: center; }
  .visual-label { right: var(--gutter); bottom: 16px; max-width: calc(100% - 2 * var(--gutter)); }
  .hero-copy { width: 100%; padding: 24px 0 30px; }
  .hero-eyebrow { margin-bottom: 15px; font-size: 12px; }
  .hero-copy h1 { max-width: 690px; font-size: clamp(36px, 8.5vw, 56px); }
  .hero-lead { margin-top: 14px; font-size: 17px; }
  .hero-actions { margin-top: 22px; }
  .hero-pagination { display: none; }
  .hero-stats { padding-bottom: 22px; }
  .hero-stats ul { grid-template-columns: 1fr 1fr; }
  .hero-stats li { min-height: 82px; border-top: 1px solid var(--c-line); }
  .hero-stats li:nth-child(-n+2) { border-top: 0; }
  .hero-stats li:nth-child(odd) { border-left: 0; }
  .hero-stats li:nth-child(even) { border-left: 1px solid var(--c-line); }
  .hero-stats b { font-size: 24px; }
  .plain-frame { max-height: none; }
  .plain-note { display: none; }
  .plist { grid-template-columns: minmax(0, 1fr); gap: 18px; padding-top: 20px; }
  .plist-side { position: static; }
  .catnav { padding: 0; border: 0; background: transparent; }
  .catnav-title, .side-contact { display: none; }
  .catnav ul { margin: 0 calc(var(--gutter) * -1); padding: 0 var(--gutter) 4px; }
  .catnav li a { border: 1px solid var(--c-line); border-radius: 99px; background: var(--c-surface); }
  .catnav li.on a { border-color: var(--c-primary); }
  .catnav li a em { display: none; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .pd { grid-template-columns: 1fr; }
  .pd-body { grid-template-columns: 1fr; }
  .pd-aside { position: static; }
  .ngrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sec-head { flex-direction: row; }
  .sec-head.is-center { align-items: center; }
  .applications-panel { min-height: 460px; }
}
@media (max-width: 640px) {
  :root { --gutter: 18px; --sec-y: 56px; }
  .tech-header .logo-mark { width: 36px; height: 36px; }
  .tech-header .logo-text b { max-width: 190px; overflow: hidden; text-overflow: ellipsis; font-size: 16px; }
  .tech-hero { padding-bottom: 10px; }
  .hero-visual { aspect-ratio: 4 / 3; }
  .hero-copy { padding-top: 19px; }
  .hero-copy h1 { font-size: clamp(34px, 9.5vw, 44px); }
  .hero-lead { font-size: 16px; }
  .hero-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
  .hero-actions .btn { min-width: 0; min-height: 48px; padding: 10px 12px; font-size: 14px; white-space: normal; text-align: center; }
  .hero-actions .btn .ic { width: 16px; height: 16px; }
  .hero-stats li { grid-template-columns: auto minmax(0, 1fr); gap: 3px 9px; padding: 13px 10px; min-height: 78px; }
  .hero-stats b { font-size: 22px; }
  .stat-label { font-size: 12px; }
  .stat-index { font-size: 12px; }
  .pgrid, .pgrid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .pcard { border-radius: 10px; }
  .pcard-img { aspect-ratio: 1 / .9; }
  .pcard-img img, .pcard-img .ph { padding: 7px; }
  .pcard-body { padding: 12px 11px; }
  .pcard-title { font-size: 15px; line-height: 1.4; overflow-wrap: anywhere; }
  .pcard-sum { display: none; }
  .pcard-act { flex-direction: column; align-items: stretch; gap: 6px; }
  .pcard-more { display: none; }
  .pcard-ask { justify-content: center; min-height: 38px; padding: 6px; font-size: 12px; }
  .cat-grid { grid-template-columns: 1fr; gap: 10px; }
  .cat-card { flex-direction: row; align-items: center; }
  .cat-img { flex: none; width: 100px; align-self: stretch; }
  .cat-img img, .cat-img .ph { height: 100%; aspect-ratio: 1; }
  .cat-body { min-width: 0; padding: 12px; }
  .cat-body b { font-size: 15px; }
  .cat-body small { font-size: 13px; }
  .adv-grid, .steps { grid-template-columns: 1fr; }
  .tech-adv-grid::before { display: none; }
  .adv-item { padding: 24px 20px; }
  .adv-no { top: 24px; right: 20px; }
  .applications { padding-top: 0; }
  .applications-panel { min-height: 520px; align-items: flex-end; border-radius: 13px; }
  .applications-photo img { object-position: 62% center; }
  .applications-shade { background: linear-gradient(0deg, color-mix(in srgb, var(--c-bg) 98%, transparent) 0%, color-mix(in srgb, var(--c-bg) 80%, transparent) 58%, color-mix(in srgb, var(--c-bg) 24%, transparent) 100%); }
  .applications-content { width: 100%; padding: 24px 18px; }
  .applications-content h2 { font-size: 30px; }
  .applications-lead { font-size: 15px; }
  .applications-cats { grid-template-columns: 1fr; gap: 7px; }
  .applications-cats a { min-height: 54px; padding: 9px 11px; }
  .applications-caption { right: 14px; top: 14px; font-size: 11px; }
  .ngrid { grid-template-columns: 1fr; gap: 14px; }
  .ncard { display: grid; grid-template-columns: 112px minmax(0, 1fr); align-items: stretch; }
  .ncard-img { height: 100%; min-height: 120px; aspect-ratio: auto; }
  .ncard-body { min-width: 0; padding: 12px; }
  .ncard-title { font-size: 15px; line-height: 1.4; }
  .ncard-sum { display: none; }
  .sec-head { align-items: flex-start; gap: 12px; }
  .sec-head .sec-link { font-size: 13px; }
  .page-head { padding: 34px 0 30px; }
  .page-head.has-bg { padding: 70px 0 34px; }
  .page-title { font-size: 34px; }
  .page-sub { font-size: 16px; }
  .tech-product { gap: 22px; }
  .tech-product .pd-main { aspect-ratio: 1 / .88; }
  .pd-title { font-size: 30px; }
  .pd-keys { grid-template-columns: 1fr 1fr; }
  .pd-keys div { padding: 10px 11px; min-width: 0; overflow-wrap: anywhere; }
  .pd-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .pd-btns .btn { min-width: 0; padding: 10px; white-space: normal; font-size: 14px; }
  .pd-form { padding: 19px 16px; }
  .spec { font-size: 14px; }
  .spec th, .spec td { padding: 11px 9px; overflow-wrap: anywhere; }
  .spec th { width: 40%; }
  .contact-form { padding: 20px 16px; }
  .iform-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; gap: 28px; padding-top: 44px; }
  .tech-foot-grid { grid-template-columns: 1fr; gap: 28px; padding-top: 44px; padding-bottom: 38px; }
  .foot-brand p { font-size: 15px; }
  .cta-in { align-items: flex-start; }
  .cta-act { gap: 16px; }
  .cta-phone { font-size: 16px; }
  .mbar { min-height: 60px; padding: 5px 10px calc(5px + env(safe-area-inset-bottom)); }
  .mbar a.mbar-main { min-height: 46px; }
  .dw-preview-bar { bottom: 78px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; } }
/* Logo 高度（随页头所在行，平台统一约定） */
:root { --logo-h: 52px; --logo-h-m: 42px; }

/* 带字 Banner：独立图片区，完整显示；控制栏不覆盖图片。 */

.tech-hero.is-plain { padding-top: 62px; }
.tech-hero.is-plain .hero-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 40px; }
.tech-hero.is-plain .hero-copy { width: auto; }
.tech-hero.is-plain .hero-visual { position: relative; inset: auto; pointer-events: auto; min-width: 0; }
.tech-hero.is-plain .visual-label { position: relative; inset: auto; display: inline-block; margin-top: 16px; }
@media (max-width: 860px) { .tech-hero.is-plain .hero-in { grid-template-columns: 1fr; }.tech-hero.is-plain { padding-top: 38px; } }

.hero-single-img, .hero-single-img img { display: block; width: 100%; height: 100%; object-fit: cover; }

.hero-visual > picture { display:block; width:100%; height:100%; }