/* S52 LED 与液晶拼接显示：沿用 HPC 母系统的尺度，所有选择器限定在本页。 */
.s52-display-cn {
	--s52-bg: #05080d;
	--s52-panel: #0b1924;
	--s52-panel-2: #0d202b;
	--s52-text: #f2f8fb;
	--s52-muted: #b7cbd5;
	--s52-faint: #7893a0;
	--s52-line: rgba(151, 190, 205, .2);
	--s52-line-strong: rgba(151, 190, 205, .44);
	--s52-accent: #65c4d0;
	--s52-accent-strong: #a7edf2;
	--s52-accent-soft: rgba(101, 196, 208, .15);
	--s52-warning: #f0bb78;
	position: relative;
	background: var(--s52-bg);
	color: var(--s52-text);
	font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
}

.s52-display-cn *,
.s52-display-cn *::before,
.s52-display-cn *::after { box-sizing: border-box; }
.s52-display-cn a { color: inherit; text-decoration: none; }
.s52-display-cn a:not(.s52-button):not(.s52-inline-link) { border-bottom: 1px solid rgba(101, 196, 208, .52); }
.s52-display-cn a:not(.s52-button):hover { border-bottom-color: var(--s52-accent-strong); color: var(--s52-accent-strong); }
.s52-display-cn img { display: block; max-width: 100%; }
.s52-shell,
.s52-content { width: min(1280px, calc(100% - 80px)); margin-right: auto; margin-left: auto; }
.s52-sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }
.s52-eyebrow { display: flex; align-items: center; gap: 10px; margin: 0; color: var(--s52-accent); font-size: 11px; font-weight: 600; letter-spacing: .16em; line-height: 1.35; text-transform: uppercase; }
.s52-eyebrow > span:first-child:not(.s52-eyebrow__no) { width: 8px; height: 8px; border: 1px solid var(--s52-accent); border-radius: 50%; box-shadow: 0 0 0 4px var(--s52-accent-soft); }
.s52-eyebrow__no { min-width: 22px; color: var(--s52-accent-strong); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; letter-spacing: .08em; }

.s52-hero { position: relative; min-height: 100svh; overflow: hidden; background: #07131c; }
.s52-hero__media,
.s52-hero__scrim { position: absolute; inset: 0; }
.s52-hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: 62% center; opacity: .73; filter: saturate(.82) contrast(1.05); }
.s52-hero__scrim { background: linear-gradient(90deg, rgba(3, 10, 15, .97) 0%, rgba(3, 10, 15, .84) 34%, rgba(3, 10, 15, .27) 74%, rgba(3, 10, 15, .68) 100%), linear-gradient(0deg, rgba(2, 6, 10, .98) 0%, transparent 57%, rgba(2, 6, 10, .42) 100%); }
.s52-hero__inner { position: relative; display: flex; align-items: flex-end; min-height: inherit; padding-top: 132px; padding-bottom: 72px; }
.s52-hero__copy { max-width: 820px; }
.s52-hero h1 { max-width: 930px; margin: 24px 0 0; color: #f5fbfd; font-size: clamp(58px, 7vw, 104px); font-weight: 500; letter-spacing: -.06em; line-height: .98; text-wrap: balance; }
.s52-hero h1 span { display: block; }
.s52-hero__lead { max-width: 790px; margin: 24px 0 0; color: #d3e4eb; font-size: clamp(17px, 1.6vw, 21px); line-height: 1.78; }
.s52-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.s52-button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 12px 18px; border: 1px solid transparent; border-radius: 2px; font-size: 13px; font-weight: 600; line-height: 1.3; transition: background-color .2s ease, border-color .2s ease, color .2s ease, transform .2s ease; }
.s52-button:hover { transform: translateY(-1px); }
.s52-button:active { transform: translateY(1px); }
.s52-button:focus-visible,
.s52-diagram__bar button:focus-visible,
.s52-faq-list summary:focus-visible { outline: 2px solid var(--s52-accent); outline-offset: 4px; }
.s52-display-cn .s52-button--primary { background: var(--s52-accent); color: #061016 !important; }
.s52-button--primary:hover { background: var(--s52-accent-strong); }
.s52-button--quiet { border-color: rgba(186, 220, 229, .52); color: var(--s52-text) !important; }
.s52-button--quiet:hover { border-color: var(--s52-accent); color: var(--s52-accent-strong) !important; }
.s52-hero__meta { margin: 22px 0 0; color: #a8c4ce; font-size: 11px; line-height: 1.75; }
.s52-hero__meta span { display: inline-block; margin-top: 5px; color: #8fa9b5; font-size: 11px; }
.s52-hero__meta a { border-bottom-color: rgba(170, 229, 236, .46); }
.s52-hero__note { position: absolute; right: 0; bottom: 74px; max-width: 320px; margin: 0; padding-top: 14px; border-top: 1px solid rgba(101, 196, 208, .62); color: #c6d8e1; font-size: 12px; line-height: 1.7; }

.s52-main { background: var(--s52-bg); }
.s52-section { padding: 64px 0; }
.s52-section:nth-child(odd) { background: var(--s52-bg); }
.s52-section:nth-child(even) { background: var(--s52-panel); }
.s52-section-head h2,
.s52-delivery-copy h2,
.s52-contact h2 { max-width: 860px; margin: 20px 0 0; color: var(--s52-text); font-size: clamp(34px, 4.1vw, 64px); font-weight: 500; letter-spacing: -.05em; line-height: 1.08; text-wrap: balance; }
.s52-section-head > p:last-child { max-width: 760px; margin: 26px 0 0; color: var(--s52-muted); font-size: 16px; line-height: 1.85; }
.s52-section-head--split { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr); gap: 7vw; align-items: start; }
.s52-section-head--split > p:last-child { margin: 0; }
.s52-section-head--wide { max-width: 980px; }
.s52-two-column { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .72fr); gap: 9vw; align-items: start; }
.s52-problem__copy { color: var(--s52-muted); font-size: 16px; line-height: 1.85; }
.s52-problem__copy p { margin: 0; }
.s52-problem__copy p + p { margin-top: 18px; color: var(--s52-faint); }
.s52-reason-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; margin-top: 64px; }
.s52-reason-grid article { min-height: 225px; padding: 22px; border-top: 1px solid var(--s52-accent); border-right: 1px solid var(--s52-line); border-bottom: 1px solid var(--s52-line); border-left: 1px solid var(--s52-line); background: rgba(10, 27, 38, .64); }
.s52-index { color: var(--s52-accent); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; letter-spacing: .08em; }
.s52-reason-grid h3,
.s52-service-row h3,
.s52-selection-table h3,
.s52-use-case-list h3,
.s52-delivery-aside h3 { margin: 27px 0 0; color: var(--s52-text); font-size: 20px; font-weight: 500; letter-spacing: -.02em; line-height: 1.4; }
.s52-reason-grid p,
.s52-service-row p,
.s52-selection-table p,
.s52-use-case-list p,
.s52-delivery-aside p { margin: 10px 0 0; color: var(--s52-muted); font-size: 14px; line-height: 1.8; }

.s52-architecture { background: var(--s52-panel-2) !important; }
.s52-architecture-board { margin-top: 58px; padding: 15px; border: 1px solid var(--s52-line); background: rgba(3, 7, 11, .58); }
.s52-diagram__bar { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 4px 5px 14px; border-bottom: 1px solid var(--s52-line); }
.s52-diagram__bar p { display: flex; align-items: center; gap: 10px; margin: 0; color: var(--s52-faint); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; letter-spacing: .12em; line-height: 1.4; }
.s52-diagram__bar p span { width: 6px; height: 6px; border-radius: 50%; background: var(--s52-accent); box-shadow: 0 0 0 4px var(--s52-accent-soft); }
.s52-diagram__bar button { min-height: 34px; padding: 7px 12px; border: 1px solid var(--s52-line-strong); border-radius: 2px; background: transparent; color: var(--s52-text); cursor: pointer; font: inherit; font-size: 11px; }
.s52-diagram__bar button:hover { border-color: var(--s52-accent); color: var(--s52-accent); }
.s52-architecture-canvas { position: relative; min-height: 610px; margin-top: 3px; overflow: hidden; }
.s52-architecture-lines { position: absolute; z-index: 0; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.s52-architecture-lines path { fill: none; stroke: var(--s52-accent); stroke-width: 1.45; stroke-linecap: round; vector-effect: non-scaling-stroke; opacity: .58; }
.s52-architecture-lines path.s52-line-motion { stroke-dasharray: 100; stroke-dashoffset: 100; opacity: 0; }
.s52-architecture-lines path.s52-line-base--control,
.s52-architecture-lines path.s52-line-motion--control { stroke: var(--s52-muted); stroke-dasharray: 5 7; opacity: .58; }
.s52-architecture-lines path.s52-line-motion--control { opacity: 0; }
.s52-architecture-layout { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); grid-template-rows: auto auto auto; grid-template-areas: "sources sources sources routing routing routing led led led led-screen led-screen led-screen" ". . . routing routing routing lcd lcd lcd lcd-screen lcd-screen lcd-screen" ". . . control control control control control control . . ."; gap: 18px 14px; min-height: 590px; padding: 48px 20px 28px; align-items: center; }
.s52-node { min-height: 142px; padding: 18px; border: 1px solid var(--s52-line-strong); background: rgba(16, 36, 49, .93); box-shadow: 0 18px 40px rgba(0, 0, 0, .22); }
.s52-node--sources { grid-area: sources; }
.s52-node--routing { grid-area: routing; border-color: rgba(101, 196, 208, .62); background: rgba(9, 42, 52, .95); }
.s52-node--led { grid-area: led; border-color: rgba(101, 196, 208, .74); background: linear-gradient(145deg, rgba(22, 58, 67, .96), rgba(10, 27, 36, .98)); }
.s52-node--lcd { grid-area: lcd; border-color: rgba(157, 198, 213, .5); background: rgba(12, 32, 43, .96); }
.s52-node--screen-led { grid-area: led-screen; border-color: rgba(101, 196, 208, .6); }
.s52-node--screen-lcd { grid-area: lcd-screen; border-color: rgba(170, 192, 206, .54); }
.s52-node--control { grid-area: control; min-height: 104px; border-color: rgba(170, 192, 206, .6); background: rgba(10, 24, 34, .96); }
.s52-node > span { display: block; margin-bottom: 12px; color: var(--s52-accent); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; letter-spacing: .08em; }
.s52-node--control > span { color: var(--s52-muted); }
.s52-node strong { display: block; color: var(--s52-text); font-size: 18px; font-weight: 500; letter-spacing: -.02em; line-height: 1.35; }
.s52-node small { display: block; margin-top: 9px; color: var(--s52-muted); font-size: 12px; line-height: 1.65; }
.s52-diagram__legend { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; padding: 15px 5px 2px; border-top: 1px solid var(--s52-line); color: var(--s52-muted); font-size: 12px; }
.s52-legend-line { display: inline-block; width: 28px; margin-right: 7px; vertical-align: middle; border-top: 1px solid var(--s52-accent); }
.s52-legend-line--dashed { border-top-style: dashed; border-top-color: var(--s52-muted); }
.s52-diagram__legend strong { margin-left: auto; color: var(--s52-accent-strong); font-size: 11px; font-weight: 500; letter-spacing: .04em; }
.s52-scheme-figure { margin: 12px 0 0; padding: 12px; border: 1px solid var(--s52-line); background: rgba(3, 7, 11, .74); }
.s52-scheme-figure a { display: block; border: 0 !important; }
.s52-scheme-figure img { width: 100%; height: auto; border: 1px solid rgba(157, 198, 213, .25); object-fit: contain; }
.s52-scheme-figure figcaption { margin: 12px 4px 1px; color: var(--s52-faint); font-size: 12px; line-height: 1.7; }
.s52-noscript { margin: 18px 0 0; color: var(--s52-muted); font-size: 13px; line-height: 1.75; }
.s52-architecture-board.is-flow-running .s52-architecture-lines path.s52-line-motion { animation: s52-path-loop 8.4s linear infinite; }
.s52-architecture-board.is-flow-running .s52-architecture-lines path.s52-line-motion[data-s52-path="routing-led"] { animation-delay: .16s; }
.s52-architecture-board.is-flow-running .s52-architecture-lines path.s52-line-motion[data-s52-path="routing-lcd"] { animation-delay: .32s; }
.s52-architecture-board.is-flow-running .s52-architecture-lines path.s52-line-motion[data-s52-path="led-screen"] { animation-delay: .48s; }
.s52-architecture-board.is-flow-running .s52-architecture-lines path.s52-line-motion[data-s52-path="lcd-screen"] { animation-delay: .64s; }
.s52-architecture-board.is-flow-running .s52-architecture-lines path.s52-line-motion--control { animation-delay: .8s; }
@keyframes s52-path-loop { 0% { stroke-dashoffset: 100; opacity: 0; } 10% { opacity: .9; } 72% { opacity: .9; } 100% { stroke-dashoffset: 0; opacity: 0; } }

.s52-selection { background: var(--s52-bg) !important; }
.s52-selection-table { max-width: 1080px; margin-top: 52px; border-top: 1px solid var(--s52-line); }
.s52-selection-table article { display: grid; grid-template-columns: 70px minmax(0, 1fr); gap: 24px; padding: 23px 0 25px; border-bottom: 1px solid var(--s52-line); }
.s52-selection-table h3 { margin: 0; font-size: 18px; }
.s52-selection-table p { margin: 0; }
.s52-services { background: var(--s52-panel) !important; }
.s52-service-list { margin-top: 58px; border-top: 1px solid var(--s52-line); }
.s52-service-row { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 26px; padding: 26px 0 29px; border-bottom: 1px solid var(--s52-line); }
.s52-service-row h3 { margin-top: 0; font-size: 21px; }
.s52-service-row p { max-width: 900px; margin-top: 8px; }
.s52-use-cases { background: var(--s52-panel-2) !important; }
.s52-use-case-list { display: grid; gap: 0; border-top: 1px solid var(--s52-line); }
.s52-use-case-list article { padding: 21px 0 24px; border-bottom: 1px solid var(--s52-line); }
.s52-use-case-list h3 { margin: 0; font-size: 18px; }
.s52-use-case-list p { max-width: 620px; margin-top: 7px; }
.s52-delivery { background: var(--s52-panel) !important; }
.s52-delivery-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, .7fr); gap: 7vw; align-items: start; }
.s52-delivery-copy > p:not(.s52-eyebrow) { max-width: 740px; margin: 27px 0 0; color: var(--s52-muted); font-size: 16px; line-height: 1.85; }
.s52-delivery-copy ul { display: grid; gap: 0; max-width: 760px; margin: 34px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--s52-line); }
.s52-delivery-copy li { position: relative; padding: 15px 0 16px 24px; border-bottom: 1px solid var(--s52-line); color: var(--s52-text); font-size: 14px; line-height: 1.7; }
.s52-delivery-copy li::before { position: absolute; top: 21px; left: 2px; width: 7px; height: 7px; border: 1px solid var(--s52-accent); border-radius: 50%; content: ""; }
.s52-delivery-note { color: var(--s52-warning) !important; font-size: 13px !important; }
.s52-delivery-aside { margin-top: 3px; padding: 24px; border-top: 1px solid var(--s52-accent); border-right: 1px solid var(--s52-line); border-bottom: 1px solid var(--s52-line); border-left: 1px solid var(--s52-line); background: rgba(10, 27, 38, .66); }
.s52-delivery-aside h3 { margin-top: 22px; }
.s52-delivery-aside p { margin-top: 12px; }
.s52-inline-link { display: inline-flex; margin-top: 26px; color: var(--s52-accent-strong) !important; font-size: 13px; font-weight: 600; }
.s52-faq { background: var(--s52-bg) !important; }
.s52-faq-list { max-width: 980px; margin-top: 48px; border-top: 1px solid var(--s52-line); }
.s52-faq-list details { border-bottom: 1px solid var(--s52-line); }
.s52-faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 23px 0; color: var(--s52-text); cursor: pointer; font-size: 17px; font-weight: 500; list-style: none; }
.s52-faq-list summary::-webkit-details-marker { display: none; }
.s52-faq-list summary span { flex: 0 0 auto; color: var(--s52-accent); font-size: 21px; font-weight: 300; }
.s52-faq-list details[open] summary span { transform: rotate(45deg); }
.s52-faq-list details p { max-width: 840px; margin: -3px 0 23px; color: var(--s52-muted); font-size: 14px; line-height: 1.85; }
.s52-contact { padding: 64px 0 78px; background: #102632; }
.s52-contact__inner { display: flex; align-items: end; justify-content: space-between; gap: 40px; }
.s52-contact h2 { max-width: 750px; }
.s52-contact p:last-child { max-width: 750px; margin: 25px 0 0; color: var(--s52-muted); font-size: 16px; line-height: 1.8; }
.s52-contact .s52-button { flex: 0 0 auto; }
.s52-display-cn.s52-js [data-s52-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.s52-display-cn.s52-js [data-s52-reveal].is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
	.s52-display-cn.s52-js [data-s52-reveal] { opacity: 1; transform: none; transition: none; }
	.s52-architecture-board.is-flow-running .s52-architecture-lines path.s52-line-motion,
	.s52-architecture-lines path.s52-line-motion { animation: none !important; stroke-dashoffset: 0; opacity: .7; }
}
@media (max-width: 800px) {
	.s52-shell,
	.s52-content { width: calc(100% - 40px); }
	.s52-hero { min-height: 0; }
	.s52-hero__inner { display: block; min-height: 0; padding: 92px 0 48px; }
	.s52-hero__copy { max-width: none; }
	.s52-hero h1 { margin-top: 24px; font-size: clamp(44px, 11vw, 62px); line-height: 1.04; }
	.s52-hero__lead { margin-top: 22px; font-size: 17px; line-height: 1.78; }
	.s52-hero__meta { margin-top: 22px; font-size: 11px; line-height: 1.7; }
	.s52-hero__note { display: none; }
	.s52-hero__media img { object-position: 58% center; }
	.s52-section { padding: 44px 0; }
	.s52-section-head--split,
	.s52-two-column,
	.s52-delivery-grid,
	.s52-contact__inner { display: block; }
	.s52-section-head--split > p:last-child,
	.s52-problem__copy { margin-top: 22px; }
	.s52-section-head h2,
	.s52-delivery-copy h2 { margin-top: 16px; font-size: 35px; }
	.s52-section-head > p:last-child,
	.s52-delivery-copy > p:not(.s52-eyebrow),
	.s52-contact p:last-child { margin-top: 18px; font-size: 15px; line-height: 1.82; }
	.s52-reason-grid { grid-template-columns: 1fr; gap: 14px; margin-top: 42px; }
	.s52-reason-grid article { min-height: 0; padding: 20px; }
	.s52-architecture-board { margin-top: 36px; padding: 12px; }
	.s52-diagram__bar { align-items: flex-start; flex-direction: column; gap: 13px; }
	.s52-diagram__bar button { width: 100%; }
	.s52-architecture-canvas { min-height: 0; }
	.s52-architecture-layout { grid-template-columns: 1fr; grid-template-rows: auto; grid-template-areas: "sources" "routing" "led" "led-screen" "lcd" "lcd-screen" "control"; gap: 14px; min-height: 0; padding: 32px 21px 28px; }
	.s52-node,
	.s52-node--routing,
	.s52-node--led,
	.s52-node--lcd,
	.s52-node--screen-led,
	.s52-node--screen-lcd { min-height: 116px; }
	.s52-node--control { min-height: 96px; }
	.s52-node strong { font-size: 17px; }
	.s52-diagram__legend { align-items: flex-start; flex-direction: column; gap: 10px; padding: 13px 5px 4px; }
	.s52-diagram__legend strong { margin-left: 0; }
	.s52-scheme-figure { margin-top: 24px; padding: 8px; }
	.s52-scheme-figure figcaption { margin-top: 10px; font-size: 11px; }
	.s52-selection-table { margin-top: 38px; }
	.s52-selection-table article { grid-template-columns: 42px minmax(0, 1fr); gap: 14px; }
	.s52-service-list { margin-top: 38px; }
	.s52-service-row { grid-template-columns: 42px minmax(0, 1fr); gap: 14px; padding: 21px 0 24px; }
	.s52-service-row h3 { font-size: 18px; }
	.s52-service-row p { font-size: 13px; }
	.s52-use-case-list { margin-top: 30px; }
	.s52-delivery-aside { margin-top: 42px; }
	.s52-contact { padding: 55px 0 64px; }
	.s52-contact .s52-button { margin-top: 28px; }
}
@media (max-width: 430px) {
	.s52-hero__inner { padding-top: 76px; }
	.s52-hero h1 { font-size: 45px; }
	.s52-hero__lead { font-size: 16px; }
	.s52-actions { align-items: stretch; flex-direction: column; }
	.s52-button { width: 100%; }
	.s52-section-head h2,
	.s52-delivery-copy h2 { font-size: 32px; }
	.s52-node strong { font-size: 16px; }
}

/* Keep page spacing independent from the global main/figure reset. */
.s52-display-cn .s52-hero__meta { margin-top: 22px !important; }
.s52-display-cn .s52-eyebrow { font-size: 11px !important; }
.s52-display-cn .s52-scheme-figure { margin: 12px 0 0 !important; }
@media (max-width: 800px) {
	.s52-display-cn .s52-scheme-figure { margin-top: 24px !important; }
}