/* 高价值产品组聚合页：共用数据骨架，按业务关系保留五种页面签名。 */
.pc-page {
    --pc-blue: #0067b4;
    --pc-cyan: #008ed3;
    --pc-sky: #57c5e8;
    --pc-ink: #132b40;
    --pc-muted: #5f7283;
    --pc-border: #dce7ef;
    --pc-mist: #f3f9fc;
    overflow: clip;
    color: var(--pc-ink);
    background: #fff;
}
.pc-page [id] { scroll-margin-top: 126px; }
.pc-page a:focus-visible { outline: 3px solid var(--pc-sky); outline-offset: 4px; }
.pc-wrap { width: min(1240px, calc(100% - 48px)); margin-inline: auto; }
.pc-eyebrow,
.pc-kicker { margin: 0 0 14px; color: var(--pc-blue); font-size: 12px; font-weight: 750; letter-spacing: .16em; line-height: 1.5; text-transform: uppercase; }
.pc-kicker--light { color: rgba(255,255,255,.72); }

/* Hero：一级产品聚合页使用公共 luminous 配方；页面签名只负责构图，不复制裸色值。 */
.pc-hero {
    position: relative;
    min-height: 700px;
    padding: 164px 0 86px;
    overflow: hidden;
    color: #fff;
    background: var(--ztc-banner-luminous);
}
.pc-hero-grid { position: absolute; inset: 0; opacity: .17; background-image: linear-gradient(rgba(255,255,255,.22) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.22) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(90deg, transparent, #000 48%, #000); }
.pc-hero-orbit { position: absolute; right: -170px; top: 50px; width: 650px; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.14); border-radius: 50%; }
.pc-hero-orbit i { position: absolute; inset: 16%; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; }
.pc-hero-orbit i:nth-child(2) { inset: 32%; }
.pc-hero-orbit i:nth-child(3) { inset: 48%; background: rgba(255,255,255,.12); }
.pc-hero-layout { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, .98fr) minmax(440px, .84fr); gap: 72px; align-items: center; }
.pc-hero-copy { max-width: 690px; }
.pc-parent-link { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 28px; color: rgba(255,255,255,.78); font-size: 13px; font-weight: 650; }
.pc-parent-link:hover { color: #fff; }
.pc-hero .pc-eyebrow { color: rgba(255,255,255,.74); }
.pc-hero h1 { margin: 0; color: #fff; font-size: var(--ztc-banner-h1-feature); font-weight: 720; letter-spacing: -.04em; line-height: 1.06; }
.pc-signal { margin: 18px 0 0; color: #fff; font-family: var(--ztc-serif); font-size: clamp(1.28rem, 2vw, 1.68rem); font-weight: 650; line-height: 1.5; text-wrap: balance; }
.pc-lead { max-width: 720px; margin: 20px 0 0; color: rgba(255,255,255,.9); font-size: var(--ztc-banner-lead); line-height: 1.85; text-wrap: pretty; }
.pc-hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 30px; }
.pc-hero-actions a { min-height: 48px; }
.pc-hero .ztc-btn-line-pill { color: #fff; border-color: rgba(255,255,255,.7); }

/* Hero 关系签名 */
.pc-signature { position: relative; min-height: 500px; padding: 24px; border: 1px solid rgba(255,255,255,.3); background: rgba(255,255,255,.1); box-shadow: 0 30px 90px rgba(0,75,130,.18); backdrop-filter: blur(10px); }
.pc-signature::before { position: absolute; inset: 12px; border: 1px solid rgba(255,255,255,.12); content: ""; pointer-events: none; }
.pc-signature figcaption { position: relative; z-index: 3; display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.pc-signature figcaption span { color: rgba(255,255,255,.7); font-size: var(--ztc-banner-label); font-weight: 750; letter-spacing: .16em; }
.pc-signature figcaption strong { max-width: 220px; color: #fff; font-size: 13px; line-height: 1.45; text-align: right; }
.pc-signature-core { position: absolute; z-index: 2; left: 50%; top: 50%; display: grid; place-content: center; width: 150px; aspect-ratio: 1; padding: 18px; border: 1px solid rgba(255,255,255,.55); border-radius: 50%; background: rgba(0,103,180,.28); text-align: center; transform: translate(-50%,-50%); box-shadow: 0 0 0 14px rgba(255,255,255,.06), 0 0 0 34px rgba(255,255,255,.035); }
.pc-signature-core small { color: rgba(255,255,255,.72); font-size: var(--ztc-banner-label); line-height: 1.4; }
.pc-signature-core strong { display: block; margin-top: 6px; color: #fff; font-size: 20px; }
.pc-signature ol { position: absolute; inset: 70px 28px 28px; margin: 0; padding: 0; list-style: none; }
.pc-signature li { position: absolute; z-index: 3; display: grid; grid-template-columns: auto 1fr; gap: 4px 9px; align-items: center; width: 142px; padding: 12px 13px; border: 1px solid rgba(255,255,255,.3); background: rgba(255,255,255,.12); }
.pc-signature li > span { grid-row: 1 / span 2; color: rgba(255,255,255,.7); font-family: var(--ztc-serif); font-size: var(--ztc-banner-label); }
.pc-signature li strong { color: #fff; font-size: 13px; line-height: 1.35; }
.pc-signature li i { width: 42px; height: 1px; background: rgba(255,255,255,.45); }
.pc-signature li:nth-child(1) { left: 0; top: 12%; }
.pc-signature li:nth-child(2) { right: 0; top: 12%; }
.pc-signature li:nth-child(3) { left: 0; bottom: 12%; }
.pc-signature li:nth-child(4) { right: 0; bottom: 12%; }
.pc-signature li:nth-child(5) { left: 50%; bottom: -4px; transform: translateX(-50%); }

/* 五种关系形态：不改变事实，只改变关系表达。 */
.pc-signature--swimlanes .pc-signature-core { left: auto; right: 22px; width: 134px; transform: translateY(-50%); border-radius: 12px; }
.pc-signature--swimlanes ol { right: 174px; display: grid; grid-template-rows: repeat(4, 1fr); gap: 10px; }
.pc-signature--swimlanes li { position: relative; inset: auto !important; width: 100%; transform: none !important; }
.pc-signature--swimlanes li::after { position: absolute; left: 100%; top: 50%; width: 52px; height: 1px; background: rgba(255,255,255,.45); content: ""; }
.pc-signature--ledger-chain li { width: 128px; }
.pc-signature--ledger-chain li:nth-child(1) { left: 50%; top: 0; transform: translateX(-50%); }
.pc-signature--ledger-chain li:nth-child(2) { right: 0; top: 50%; transform: translateY(-50%); }
.pc-signature--ledger-chain li:nth-child(3) { left: 50%; bottom: 0; transform: translateX(-50%); }
.pc-signature--ledger-chain li:nth-child(4) { left: 0; top: 50%; bottom: auto; transform: translateY(-50%); }
.pc-signature--tax-loop li:nth-child(5) { bottom: 0; background: rgba(255,255,255,.2); }
.pc-signature--dual-lens .pc-signature-core { width: 124px; border-radius: 12px; }
.pc-signature--dual-lens li:nth-child(1),
.pc-signature--dual-lens li:nth-child(2) { top: 18%; width: 150px; border-radius: 76px; text-align: center; }
.pc-signature--dual-lens li:nth-child(3),
.pc-signature--dual-lens li:nth-child(4) { bottom: 7%; }
.pc-signature--semantic-twin .pc-signature-core { width: 138px; border-radius: 20px 50% 20px 50%; }
.pc-signature--semantic-twin li:nth-child(1) { left: 4%; top: 4%; }
.pc-signature--semantic-twin li:nth-child(2) { right: 2%; top: 24%; }
.pc-signature--semantic-twin li:nth-child(3) { left: 1%; bottom: 23%; }
.pc-signature--semantic-twin li:nth-child(4) { right: 8%; bottom: 2%; }

.pc-local-nav { position: sticky; top: 88px; z-index: 86; border-bottom: 1px solid var(--pc-border); background: rgba(255,255,255,.96); backdrop-filter: blur(12px); }
.pc-local-nav .pc-wrap { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.pc-local-nav .pc-wrap::-webkit-scrollbar { display: none; }
.pc-local-nav a { display: inline-flex; align-items: center; min-height: 52px; padding: 0 17px; color: var(--pc-muted); font-size: 13px; font-weight: 650; white-space: nowrap; }
.pc-local-nav a:hover,
.pc-local-nav a.is-active { color: var(--pc-blue); background: #edf7fc; }

.pc-section { padding: 104px 0; }
.pc-section h2 { margin: 0; color: var(--pc-ink); font-size: clamp(2rem, 3.5vw, 2.75rem); letter-spacing: -.03em; line-height: 1.22; text-wrap: balance; }
.pc-section-head { max-width: 780px; margin-bottom: 44px; }
.pc-section-head > p:last-child { margin: 17px 0 0; color: var(--pc-muted); font-size: 16px; line-height: 1.85; }
.pc-section-head--split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .7fr); gap: 76px; align-items: end; max-width: none; }
.pc-section-head--split > p { margin: 0 0 4px; }

.pc-overview-layout { display: grid; grid-template-columns: minmax(0, .92fr) minmax(480px, 1.08fr); gap: 110px; align-items: start; }
.pc-overview-layout header h2 { max-width: 570px; }
.pc-overview-layout > div > p { margin: 0; color: var(--pc-ink); font-family: var(--ztc-serif); font-size: 20px; line-height: 1.9; text-wrap: pretty; }
.pc-overview dl { display: grid; grid-template-columns: repeat(3, 1fr); margin: 34px 0 0; border-top: 1px solid var(--pc-border); }
.pc-overview dl div { padding: 20px 12px 0 0; }
.pc-overview dt { color: var(--pc-blue); font-family: var(--ztc-serif); font-size: 30px; font-weight: 750; }
.pc-overview dd { margin: 4px 0 0; color: var(--pc-muted); font-size: 12px; }

.pc-model { border-block: 1px solid var(--pc-border); background: linear-gradient(180deg, #f6fbfe, #fff); }
.pc-stage-map { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; padding-bottom: 94px; }
.pc-stage-map article { position: relative; z-index: 2; min-height: 225px; padding: 24px 22px; border: 1px solid var(--pc-border); background: rgba(255,255,255,.9); transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease; }
.pc-stage-map article:hover { transform: translateY(-4px); border-color: rgba(0,142,211,.5); box-shadow: 0 18px 36px rgba(21,82,120,.09); }
.pc-stage-map article > span { color: var(--pc-blue); font-family: var(--ztc-serif); font-size: 12px; font-weight: 750; }
.pc-stage-map article h3 { margin: 38px 0 9px; color: var(--pc-ink); font-size:20px; }
.pc-stage-map article p { margin: 0; color: var(--pc-muted); font-size: 14px; line-height: 1.78; }
.pc-stage-map article i { position: absolute; left: 50%; bottom: -50px; width: 1px; height: 50px; background: linear-gradient(var(--pc-cyan), rgba(0,142,211,.12)); }
.pc-stage-spine { position: absolute; left: 0; right: 0; bottom: 14px; display: flex; align-items: center; justify-content: center; height: 54px; border: 1px solid rgba(0,142,211,.24); background: linear-gradient(90deg, rgba(0,103,180,.06), rgba(0,142,211,.15), rgba(0,103,180,.06)); }
.pc-stage-spine::before { position: absolute; left: 5%; right: 5%; top: 50%; height: 1px; background: rgba(0,142,211,.38); content: ""; }
.pc-stage-spine span { position: relative; z-index: 1; padding: 0 18px; color: var(--pc-blue); background: #f3fafe; font-size: 13px; font-weight: 750; }
.pc-stage-map--swimlanes { grid-template-columns: 1fr; padding-right: 220px; padding-bottom: 0; }
.pc-stage-map--swimlanes article { min-height: 116px; }
.pc-stage-map--swimlanes article h3 { margin: 16px 0 5px; }
.pc-stage-map--swimlanes article i { left: 100%; top: 50%; bottom: auto; width: 70px; height: 1px; background: linear-gradient(90deg,var(--pc-cyan),rgba(0,142,211,.12)); }
.pc-stage-map--swimlanes .pc-stage-spine { left: auto; right: 0; top: 0; bottom: 0; width: 170px; height: auto; }
.pc-stage-map--swimlanes .pc-stage-spine::before { left: 50%; right: auto; top: 6%; bottom: 6%; width: 1px; height: auto; }
.pc-stage-map--swimlanes .pc-stage-spine span { padding: 18px; text-align: center; }
.pc-stage-map--tax-loop { grid-template-columns: repeat(2, 1fr); }
.pc-stage-map--tax-loop article:nth-child(5) { grid-column: 1 / -1; min-height: 150px; border-color: rgba(0,142,211,.38); background: linear-gradient(90deg, #fff, #eef9fd); }
.pc-stage-map--tax-loop article:nth-child(5) h3 { margin-top: 22px; }
.pc-stage-map--dual-lens { grid-template-columns: repeat(2, 1fr); }
.pc-stage-map--dual-lens article:nth-child(-n+2) { min-height: 250px; border-radius: 120px 120px 20px 20px; padding: 38px 42px; }
.pc-stage-map--dual-lens article:nth-child(n+3) { min-height: 164px; }
.pc-stage-map--dual-lens article:nth-child(n+3) h3 { margin-top: 22px; }
.pc-stage-map--semantic-twin { grid-template-columns: repeat(4, 1fr); align-items: start; }
.pc-stage-map--semantic-twin article:nth-child(2),
.pc-stage-map--semantic-twin article:nth-child(4) { margin-top: 52px; }

.pc-products { background: #fff; }
.pc-product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 17px; }
.pc-product-grid--5 { grid-template-columns: repeat(6, 1fr); }
.pc-product-grid--5 .pc-product-card { grid-column: span 2; }
.pc-product-grid--5 .pc-product-card:nth-child(4) { grid-column: 2 / span 2; }
.pc-product-grid--5 .pc-product-card:nth-child(5) { grid-column: 4 / span 2; }
.pc-product-grid--2 { grid-template-columns: repeat(2, 1fr); }
.pc-product-grid--1 { grid-template-columns: minmax(0, 760px); }
.pc-product-card { position: relative; display: flex; flex-direction: column; min-height: 310px; padding: 26px; overflow: hidden; border: 1px solid var(--pc-border); color: var(--pc-ink); background: #fff; transition: transform .26s ease, border-color .26s ease, box-shadow .26s ease; }
.pc-product-card::after { position: absolute; right: -45px; bottom: -45px; width: 150px; aspect-ratio: 1; border: 1px solid rgba(0,142,211,.12); border-radius: 50%; content: ""; }
.pc-product-card:hover { transform: translateY(-5px); border-color: rgba(0,142,211,.55); box-shadow: 0 20px 44px rgba(16,80,121,.1); }
.pc-product-index { color: var(--pc-muted); font-family: var(--ztc-serif); font-size: 11px; }
.pc-product-icon { display: grid; place-items: center; width: 46px; height: 46px; margin-top: 28px; color: var(--pc-blue); border: 1px solid rgba(0,103,180,.2); background: #eff8fc; }
.pc-product-card h3 { margin: 18px 0 8px; color: var(--pc-ink); font-size: 20px; line-height: 1.45; }
.pc-product-card p { margin: 0; color: var(--pc-muted); font-size: 14px; line-height: 1.75; text-wrap: pretty; }
.pc-product-card > strong { display: inline-flex; align-items: center; gap: 8px; margin-top: auto; padding-top: 24px; color: var(--pc-blue); font-size: 13px; }

.pc-pathways { background: var(--pc-mist); }
.pc-pathway-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.pc-pathway-grid a { display: grid; grid-template-columns: 1fr auto; gap: 10px 30px; min-height: 250px; padding: 32px; border: 1px solid var(--pc-border); color: var(--pc-ink); background: #fff; transition: transform .24s ease, border-color .24s ease; }
.pc-pathway-grid a:hover { transform: translateY(-4px); border-color: rgba(0,142,211,.5); }
.pc-pathway-grid small { grid-column: 1 / -1; color: var(--pc-blue); font-size: 11px; font-weight: 750; letter-spacing: .12em; }
.pc-pathway-grid strong { display: block; font-size: 24px; }
.pc-pathway-grid > a > span { grid-column: 1; color: var(--pc-muted); font-size: 14px; line-height: 1.75; }
.pc-pathway-grid i { grid-column: 2; grid-row: 2 / span 2; display: inline-flex; align-items: end; gap: 7px; color: var(--pc-blue); font-size: 13px; font-style: normal; font-weight: 700; }

.pc-closing { padding: 86px 0; color: #fff; background: linear-gradient(122deg, #0067b4, #008ed3 68%, #53c4e4); }
.pc-closing-layout { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 70px; align-items: center; }
.pc-closing h2 { margin: 0; max-width: 760px; color: #fff; font-size: clamp(2rem, 3.5vw, 2.8rem); line-height: 1.25; text-wrap: balance; }
.pc-closing p:last-child { margin: 16px 0 0; color: rgba(255,255,255,.8); font-size:16px; }
.pc-closing-layout > div:last-child { display: flex; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
.pc-closing .ztc-btn-line-pill { color: #fff; border-color: rgba(255,255,255,.72); }

[data-pc-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .75s cubic-bezier(.2,.8,.2,1), transform .75s cubic-bezier(.2,.8,.2,1); }
[data-pc-reveal].is-visible { opacity: 1; transform: none; }
.pc-signature li { animation: pc-breathe 5s ease-in-out infinite alternate; animation-delay: calc(var(--pc-i) * -.7s); }
@keyframes pc-breathe { to { background: rgba(255,255,255,.17); box-shadow: 0 8px 24px rgba(0,75,130,.12); } }
.pc-signature--swimlanes li { animation-name: pc-lane; }
@keyframes pc-lane { to { background: rgba(255,255,255,.17); box-shadow: 0 8px 24px rgba(0,75,130,.12); } }

@media (max-width: 1080px) {
    .pc-hero-layout { grid-template-columns: 1fr .8fr; gap: 48px; }
    .pc-signature { min-height: 460px; }
    .pc-overview-layout { gap: 66px; }
    .pc-product-grid,
    .pc-product-grid--5 { grid-template-columns: repeat(2, 1fr); }
    .pc-product-grid--5 .pc-product-card,
    .pc-product-grid--5 .pc-product-card:nth-child(4),
    .pc-product-grid--5 .pc-product-card:nth-child(5) { grid-column: auto; }
}

@media (max-width: 860px) {
    .pc-hero { min-height: 0; padding-top: 150px; }
    .pc-hero-layout,
    .pc-overview-layout,
    .pc-section-head--split,
    .pc-closing-layout { grid-template-columns: 1fr; gap: 42px; }
    .pc-signature { width: min(100%, 620px); }
    .pc-stage-map,
    .pc-stage-map--semantic-twin { grid-template-columns: repeat(2, 1fr); }
    .pc-stage-map--semantic-twin article:nth-child(2),
    .pc-stage-map--semantic-twin article:nth-child(4) { margin-top: 0; }
    .pc-closing-layout > div:last-child { justify-content: flex-start; }
}

@media (max-width: 620px) {
    .pc-wrap { width: min(100% - 32px, 1240px); }
    .pc-hero { padding: 132px 0 66px; }
    .pc-hero-grid { background-size: 48px 48px; }
    .pc-hero h1 { font-size: var(--ztc-banner-h1-feature); }
    .pc-signal { font-size: 20px; }
    .pc-lead { font-size: var(--ztc-banner-lead); line-height: 1.8; }
    .pc-hero-actions { flex-direction: column; }
    .pc-hero-actions a { width: 100%; }
    .pc-signature { min-height: 430px; padding: 18px; }
    .pc-signature figcaption { display: block; }
    .pc-signature figcaption strong { display: block; margin-top: 8px; text-align: left; }
    .pc-signature ol { inset: 94px 14px 18px; }
    .pc-signature li { width: 115px; padding: 9px; }
    .pc-signature-core { width: 116px; }
    .pc-signature--swimlanes .pc-signature-core { right: 6px; width: 102px; }
    .pc-signature--swimlanes ol { right: 118px; }
    .pc-signature--swimlanes li::after { width: 24px; }
    .pc-signature--tax-loop li:nth-child(3),
    .pc-signature--tax-loop li:nth-child(4) { bottom: 19%; }
    .pc-signature--tax-loop li:nth-child(5) { bottom: 0; }
    .pc-local-nav { top: 76px; }
    .pc-local-nav a { min-height: 48px; padding-inline: 13px; }
    .pc-section { padding: 74px 0; }
    .pc-section h2 { font-size: clamp(1.78rem, 8.8vw, 2.25rem); }
    .pc-overview-layout > div > p { font-size: 18px; }
    .pc-overview dl { grid-template-columns: repeat(2, 1fr); }
    .pc-stage-map,
    .pc-stage-map--tax-loop,
    .pc-stage-map--dual-lens,
    .pc-stage-map--semantic-twin { grid-template-columns: 1fr; padding: 0; }
    .pc-stage-map article,
    .pc-stage-map--dual-lens article:nth-child(-n+2) { min-height: 0; padding: 24px; border-radius: 0; }
    .pc-stage-map article h3 { margin-top: 18px; }
    .pc-stage-map article i { display: none; }
    .pc-stage-spine { position: relative; inset: auto; height: auto; min-height: 58px; }
    .pc-stage-map--swimlanes { padding-right: 0; }
    .pc-stage-map--swimlanes .pc-stage-spine { position: relative; inset: auto; width: auto; min-height: 58px; }
    .pc-stage-map--swimlanes .pc-stage-spine::before { left: 5%; right: 5%; top: 50%; bottom: auto; width: auto; height: 1px; }
    .pc-stage-map--tax-loop article:nth-child(5) { grid-column: auto; }
    .pc-product-grid,
    .pc-product-grid--5,
    .pc-product-grid--2,
    .pc-product-grid--1,
    .pc-pathway-grid { grid-template-columns: 1fr; }
    .pc-product-card { min-height: 270px; }
    .pc-pathway-grid a { grid-template-columns: 1fr; min-height: 230px; }
    .pc-pathway-grid i { grid-column: 1; grid-row: auto; align-items: center; }
    .pc-closing { padding: 66px 0; }
    .pc-closing-layout > div:last-child { flex-direction: column; }
    .pc-closing-layout > div:last-child a { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    [data-pc-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
    .pc-signature li { animation: none !important; }
    .pc-product-card,
    .pc-stage-map article,
    .pc-pathway-grid a { transition: none !important; }
}

noscript + .pc-page [data-pc-reveal] { opacity: 1; transform: none; }