/* Generated by scripts/build-page-styles.py; edit the source styles. */
/* Source: styles.css */
:root{--bg: #f4f6f8;
  --surface: #ffffff;
  --surface-soft: #eef2f5;
  --ink: #111a24;
  --ink-soft: #5b6878;
  --line: #d7dee6;
  --accent: #006d77;
  --accent-dark: #0d3b4a;
  --max: 1200px;}
*{box-sizing: border-box;}
html,body{margin: 0;
  padding: 0;
  overflow-x: hidden;}
body{font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;}
img,video{max-width: 100%;}
a{color: inherit;}
.topbar{position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1rem, 3vw, 2.8rem);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(17, 26, 36, 0.08);
  backdrop-filter: blur(10px);}
.brand{display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  text-decoration: none;}
.brand small{display: block;
  margin-top: 0.08rem;
  color: var(--ink-soft);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;}
.desktop-nav{display: inline-flex;
  gap: clamp(0.9rem, 2vw, 1.5rem);}
.desktop-nav a{text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 700;}
.desktop-nav a:hover,.desktop-nav a.active{color: var(--ink);}
.menu-btn{position: relative;
  width: 2.35rem;
  height: 2.35rem;
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  border: 1px solid rgba(17, 26, 36, 0.14);
  background: #fff;}
.menu-btn span{position: absolute;
  left: 50%;
  top: 50%;
  width: 1rem;
  height: 2px;
  margin: 0;
  background: var(--ink);
  transition: transform 0.2s ease;}
.menu-btn span:first-child{transform: translate(-50%, calc(-50% - 4px));}
.menu-btn span:last-child{transform: translate(-50%, calc(-50% + 4px));}
.menu-btn.is-open span:first-child{transform: translate(-50%, -50%) rotate(45deg);}
.menu-btn.is-open span:last-child{transform: translate(-50%, -50%) rotate(-45deg);}
.mobile-menu{position: fixed;
  inset: 72px 0 auto;
  z-index: 40;
  display: grid;
  gap: 0.45rem;
  padding: 0.85rem 1rem 1rem;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--line);
  transform: translateY(-120%);
  transition: transform 0.25s ease;}
.mobile-menu.is-open{transform: translateY(0);}
.mobile-menu a{text-decoration: none;
  font-weight: 700;
  padding: 0.25rem 0;}
main,.sub-main{padding-top: 72px;}
.section,.footer{width: min(var(--max), calc(100% - 2.4rem));
  margin-left: auto;
  margin-right: auto;}
@keyframes legacy-hero-in {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
.eyebrow{margin: 0 0 0.7rem;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;}
h1,h2,h3{margin: 0;
  font-family: "Noto Sans SC", sans-serif;
  line-height: 1.18;}
h1{font-size: 3.75rem;
  max-width: 12ch;}
h2{font-size: 2.35rem;}
.section-intro{color: var(--ink-soft);}
.section{padding: clamp(3.2rem, 7vw, 5.4rem) 0;
  border-top: 1px solid rgba(17, 26, 36, 0.05);}
.section-head{display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.6rem;}
.clean-head .section-intro{max-width: 34rem;
  margin: 0;}
.page-xray{--accent: #f57c00;
  --accent-dark: #252b33;
  background: #f7f7f7;}
.page-anchor-bar{width: min(var(--max), calc(100% - 2.4rem));
  margin: 0 auto;
  display: flex;
  gap: 1.6rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;}
.page-anchor-bar a{text-decoration: none;
  color: var(--ink-soft);
  font-weight: 700;}
.page-anchor-bar a:hover{color: var(--ink);}
.footer{display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.4rem 0 2rem;
  color: var(--ink-soft);
  font-size: 0.84rem;
  border-top: 1px solid var(--line);}
.footer p{margin: 0;}
.footer a{color: var(--accent-dark);
  text-decoration: none;}
.footer-note{width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 0.35rem;
  color: var(--ink-soft);}
.footer-note a{color: var(--ink-soft);}
.footer-links{width: 100%;
  display: flex;
  gap: 1rem 1.4rem;
  flex-wrap: wrap;
  padding-top: 0.15rem;
  font-size: 0.82rem;}
.footer-links a{color: var(--ink-soft);
  text-decoration: none;}
.footer-links a:hover,.footer-links a[aria-current="page"]{color: var(--accent-dark);}
.desktop-nav{gap: clamp(0.65rem, 1.2vw, 1.05rem);}
.desktop-nav a{white-space: nowrap;}
.poster-tags{display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.35rem;}
.poster-tags span{display: inline-flex;
  align-items: center;
  min-height: 2.2rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 0.86rem;
  font-weight: 700;}
.poster-matrix{display: grid;
  gap: 0.7rem;}
.poster-matrix article{padding: 0.9rem 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);}
.poster-matrix strong{display: block;
  font-size: 0.88rem;}
.poster-matrix p{margin: 0.35rem 0 0;
  color: rgba(255, 255, 255, 0.72);}
.poster-proof{margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;}
.poster-proof li{display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.8rem;
  align-items: start;}
.poster-proof span{display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: rgba(245, 124, 0, 0.14);
  color: #ffab4d;
  font-size: 0.84rem;
  font-weight: 800;}
.poster-proof p{margin: 0;
  color: rgba(255, 255, 255, 0.75);}
.page-xray .page-anchor-bar{position: sticky;
  top: 72px;
  z-index: 20;
  justify-content: center;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);}
.capability-rail{display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);}
.capability-rail-item{padding: 1.35rem 1.15rem 1.4rem;
  background: var(--surface);}
.capability-number{display: inline-block;
  margin-bottom: 0.8rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;}
.capability-rail-item h3{font-size: 1.08rem;}
.capability-rail-item p{margin: 0.65rem 0 0;
  color: var(--ink-soft);}
.capability-rail-item ul{margin: 0.95rem 0 0;
  padding-left: 1.05rem;
  color: var(--ink);}
.capability-rail-item li + li{margin-top: 0.3rem;}
.section-dark{position: relative;
  isolation: isolate;
  color: #fff;
  border-top: 0;
  background: linear-gradient(180deg, #111722 0%, #0b1118 100%);
  box-shadow: 0 0 0 100vmax #0b1118;
  clip-path: inset(0 -100vmax);}
.section-dark::before{content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(circle at 18% 18%, rgba(245, 124, 0, 0.14), transparent 36%);}
.section-dark > *{position: relative;
  z-index: 1;}
.section-dark .section-intro,.section-dark p{color: rgba(255, 255, 255, 0.72);}
.section-dark .eyebrow{color: #ff9d3f;}
.principle-stage{display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr);
  gap: 1rem;
  align-items: start;}
.principle-diagram{position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  padding: 1.2rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.03) 100%);}
.principle-track{position: absolute;
  left: 1.6rem;
  right: 1.6rem;
  top: 3.1rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 157, 63, 0.08) 0%, rgba(255, 157, 63, 0.6) 35%, rgba(255, 157, 63, 0.08) 100%);}
.principle-step,.principle-note{position: relative;
  padding: 1rem 1rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);}
.principle-step span,.proof-item span{display: inline-block;
  margin-bottom: 0.7rem;
  color: #ffab4d;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;}
.principle-step h3,.principle-note h3{font-size: 1rem;}
.principle-step p,.principle-note p{margin: 0.62rem 0 0;}
.principle-notes{display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;}
.system-blueprint-wrap{display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  gap: 1rem;
  align-items: stretch;}
.system-blueprint{position: relative;
  min-height: 500px;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at center, rgba(245, 124, 0, 0.09), transparent 34%),
    linear-gradient(180deg, #111722 0%, #0e141c 100%);}
.system-blueprint::before,.system-blueprint::after{content: "";
  position: absolute;
  inset: 0;}
.system-blueprint::before{background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.42), rgba(0, 0, 0, 0.08));}
.system-blueprint::after{background:
    radial-gradient(circle, transparent 39%, rgba(255, 255, 255, 0.08) 39.4%, transparent 40.1%),
    radial-gradient(circle, transparent 56%, rgba(255, 255, 255, 0.05) 56.4%, transparent 57.1%);
  background-position: center;
  background-repeat: no-repeat;}
.system-core,.system-node{position: absolute;
  z-index: 1;}
.system-core{left: 50%;
  top: 50%;
  width: min(44%, 270px);
  padding: 1.15rem 1rem 1.2rem;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  transform: translate(-50%, -50%);}
.system-core span{display: block;
  color: #ffab4d;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;}
.system-core strong{display: block;
  margin-top: 0.4rem;
  font-family: "Noto Sans SC", sans-serif;
  font-size: 1.45rem;}
.system-core p{margin: 0.55rem 0 0;
  color: rgba(255, 255, 255, 0.72);}
.system-node{min-width: 124px;
  padding: 0.78rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  font-weight: 700;
  text-align: center;}
.node-camera{left: 50%;
  top: 10%;
  transform: translateX(-50%);}
.node-lens{left: 9%;
  top: 32%;}
.node-light{left: 18%;
  bottom: 14%;}
.node-software{right: 8%;
  top: 28%;}
.node-integration{right: 15%;
  bottom: 16%;}
.proof-layout{display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.96fr);
  gap: 1rem;
  align-items: stretch;}
.proof-matrix{display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;}
.proof-item{padding: 1.15rem 1.15rem 1.2rem;
  border: 1px solid var(--line);
  background: var(--surface);}
.proof-item h3{font-size: 1.04rem;}
.proof-item p{margin: 0.62rem 0 0;
  color: var(--ink-soft);}
.proof-media{display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 1rem;}
.proof-media figure{margin: 0;
  border: 1px solid var(--line);
  background: var(--surface);}
.proof-media img{width: 100%;
  display: block;
  object-fit: cover;}
.proof-media-main img{height: 100%;
  min-height: 100%;
  aspect-ratio: 16 / 12;}
.proof-media-main figcaption,.proof-media-stack figcaption{padding: 0.8rem 0.9rem 0.9rem;
  color: var(--ink-soft);
  font-size: 0.9rem;}
.proof-media-stack{display: grid;
  gap: 1rem;}
.proof-media-stack img{aspect-ratio: 1 / 1;}
@media (max-width: 1080px) {
.principle-stage,.system-blueprint-wrap,.proof-layout,.proof-media{grid-template-columns: 1fr;}
.capability-rail,.principle-diagram,.principle-notes,.proof-matrix{grid-template-columns: repeat(2, minmax(0, 1fr));}
.system-core{width: min(56%, 280px);}
}
@media (max-width: 760px) {
.topbar{height: 64px;}
main,.sub-main{padding-top: 64px;}
.desktop-nav{display: none;}
.menu-btn{display: grid;}
.mobile-menu{inset: 64px 0 auto;}
h1{max-width: none;
    font-size: 2.35rem;}
.section-head{align-items: start;
    flex-direction: column;}
.page-anchor-bar{flex-wrap: wrap;
    gap: 0.9rem 1.3rem;}
.page-xray .page-anchor-bar{top: 64px;
    justify-content: flex-start;}
.capability-rail,.principle-diagram,.principle-notes,.proof-matrix,.proof-media-stack{grid-template-columns: 1fr;}
.principle-track{display: none;}
.system-blueprint{min-height: auto;
    display: grid;
    gap: 0.85rem;
    padding: 1rem;}
.system-core,.system-node{position: static;
    width: auto;
    min-width: 0;
    transform: none;}
}
@media (prefers-reduced-motion: reduce) {
*,*::before,*::after{animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;}
}
.page-xray .proof-media{grid-template-columns: minmax(0, 1fr) 260px;}
.page-xray .proof-media-main img,.page-xray .proof-media-stack img{height: auto;
  min-height: 0;
  aspect-ratio: auto;
  object-fit: contain;
  background: #fff;}
.xray-doc-figure,.xray-sheet{margin: 0;
  border: 1px solid var(--line);
  background: var(--surface);}
.xray-doc-figure img,.xray-sheet img{width: 100%;
  display: block;
  background: #fff;}
.xray-doc-link{position: relative;
  display: block;
  color: inherit;
  overflow: hidden;}
.xray-doc-link span{position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  padding: 0.45rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 4px;
  background: rgba(17, 26, 36, 0.88);
  color: #fff;
  font-size: 0.82rem;
  line-height: 1;}
.xray-doc-link:focus-visible{outline: 3px solid var(--accent);
  outline-offset: 3px;}
.xray-doc-figure figcaption,.xray-sheet figcaption{padding: 0.9rem 1rem 1rem;
  color: var(--ink-soft);
  font-size: 0.9rem;}
.xray-sheet-grid{display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;}
@media (max-width: 900px) {
.xray-sheet-grid{grid-template-columns: 1fr;}
}
@media (max-width: 1100px) {
.desktop-nav{display: none;}
.menu-btn{display: grid;}
}
@media (max-width: 760px) {
.footer-note{flex-direction: column;}
}
.product-eval-section{padding-top: clamp(2.2rem, 5vw, 3.8rem);
  padding-bottom: clamp(2.2rem, 5vw, 3.8rem);}
.product-eval-grid{display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);}
.product-eval-grid article{min-height: 190px;
  padding: clamp(1.15rem, 2vw, 1.45rem);
  background: var(--surface);}
.product-eval-grid span{display: inline-block;
  margin-bottom: 0.8rem;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;}
.product-eval-grid h3{font-size: 1.05rem;}
.product-eval-grid p{margin: 0.62rem 0 0;
  color: var(--ink-soft);}
.product-eval-section{border-top: 0;}
.product-spec-section{padding-top: clamp(2.2rem, 5vw, 3.8rem);
  padding-bottom: clamp(2.2rem, 5vw, 3.8rem);}
.product-spec-table{display: grid;
  border: 1px solid var(--line);
  background: var(--surface);}
.product-spec-row{display: grid;
  grid-template-columns: minmax(160px, 0.85fr) minmax(0, 1.15fr) minmax(0, 1fr);
  border-bottom: 1px solid var(--line);}
.product-spec-row:last-child{border-bottom: 0;}
.product-spec-row span{display: block;
  padding: 0.95rem 1rem;
  color: var(--ink-soft);
  border-right: 1px solid var(--line);}
.product-spec-row span:last-child{border-right: 0;}
.product-spec-head{background: var(--surface-soft);}
.product-spec-head span{color: var(--ink);
  font-size: 0.86rem;
  font-weight: 800;}
.page-anchor-bar{overflow-x: auto;
  scrollbar-width: none;}
.page-anchor-bar::-webkit-scrollbar{display: none;}
.mobile-contact-bar{position: fixed;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 0.75rem;
  z-index: 60;
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  padding: 0.55rem;
  border: 1px solid rgba(17, 26, 36, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 42px rgba(17, 26, 36, 0.18);
  backdrop-filter: blur(12px);}
.mobile-contact-bar a{display: inline-flex;
  min-height: 2.6rem;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 800;}
.mobile-contact-bar a:first-child{background: var(--accent-dark);
  color: #fff;}
.mobile-contact-bar a:last-child{color: var(--ink);
  background: var(--surface-soft);}
@media (max-width: 760px) {
body{padding-bottom: 4.75rem;}
.section,.footer,.page-anchor-bar{width: min(var(--max), calc(100% - 1.25rem));}
.poster-tags{gap: 0.45rem;
    margin-top: 1rem;}
.poster-tags span{min-height: 2rem;
    padding: 0.26rem 0.68rem;
    font-size: 0.8rem;}
.poster-matrix{grid-template-columns: 1fr;}
.poster-proof{display: none;}
.page-xray .page-anchor-bar{top: 64px;
    flex-wrap: wrap;
    padding: 0.72rem 0;
    white-space: normal;
    gap: 0.55rem 1rem;}
.product-eval-grid{grid-template-columns: 1fr;}
.product-eval-grid article{min-height: auto;}
.product-spec-row,.product-spec-head{grid-template-columns: 1fr;}
.product-spec-head{display: none;}
.product-spec-row{padding: 0.9rem 1rem;
    gap: 0.45rem;}
.product-spec-row span{padding: 0;
    border-right: 0;}
.product-spec-row span:first-child{color: var(--ink);
    font-weight: 800;}
.mobile-contact-bar{display: grid;}
}
:root{--bg: #f4f6f8;
  --surface: #ffffff;
  --surface-soft: #edf2f4;
  --ink: #111a24;
  --ink-soft: #566373;
  --line: #d4dce4;
  --accent: #006d77;
  --accent-dark: #064854;
  --status: #c06a22;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --space-page: clamp(1.25rem, 4vw, 3.75rem);
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-latin: "Manrope", "Noto Sans SC", sans-serif;}
body{font-family: var(--font-body);
  background: var(--bg);
  letter-spacing: 0;}
h1,h2,h3{font-family: var(--font-latin);
  letter-spacing: 0;}
:focus-visible{outline: 3px solid rgba(0, 109, 119, 0.38);
  outline-offset: 3px;}
.topbar{height: 68px;
  padding: 0 var(--space-page);
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: rgba(17, 26, 36, 0.1);
  backdrop-filter: blur(14px);}
main,.sub-main{padding-top: 68px;}
.brand small{letter-spacing: 0;
  text-transform: none;}
.desktop-nav{align-items: center;
  gap: clamp(0.55rem, 1vw, 0.9rem);}
.desktop-nav a{display: inline-flex;
  min-height: 2.25rem;
  align-items: center;
  padding: 0 0.2rem;
  font-size: 0.9rem;
  letter-spacing: 0;}
.menu-btn,.mobile-contact-bar,.mobile-contact-bar a{border-radius: var(--radius-md);}
.section{padding: clamp(3.1rem, 6vw, 5.8rem) 0;
  border-top-color: rgba(17, 26, 36, 0.08);}
.section-head{margin-bottom: clamp(1.35rem, 2.5vw, 2.1rem);}
.section h2{max-width: 18ch;
  font-size: clamp(2rem, 4.2vw, 4.1rem);
  line-height: 1.06;}
.section-intro{color: var(--ink-soft);}
@media (max-width: 1080px) {
.desktop-nav{display: none;}
.menu-btn{display: grid;}
}
@media (max-width: 760px) {
.topbar{height: 64px;
    padding: 0 1rem;}
main,.sub-main{padding-top: 64px;}
.brand small{display: none;}
.mobile-menu{inset: 64px 0 auto;
    padding: 0.9rem 1rem 1.15rem;}
.mobile-menu a{min-height: 2.65rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(17, 26, 36, 0.08);}
.section h2{font-size: clamp(1.9rem, 8vw, 2.55rem);}
}
@media (prefers-reduced-motion: reduce) {
[data-reveal]{opacity: 1 !important;
    transform: none !important;
    animation: none !important;}
}
@media (max-width: 1100px) {
html:not(.legacy-menu-ready) .menu-btn{display: none !important;}
html:not(.legacy-menu-ready) .mobile-menu{position: static;
    inset: auto;
    transform: none;}
}
/* Source: site-v3.css */
:root{--yt-ink:var(--color-ink, #172334); --yt-muted:var(--color-muted, #526273);
 --yt-line:var(--color-rule, #d7dfe8); --yt-paper:var(--color-paper, #fff);
 --yt-ground:var(--color-ground, #f3f6fa); --yt-blue:var(--color-brand, #2053b6);
 --yt-cyan:var(--color-brand, #2053b6); --yt-orange:var(--color-focus, #a34712);
 --yt-max:var(--content-max, 1280px);}
body.site-v3{background: var(--yt-paper);
  color: var(--yt-ink);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;}
.site-v3 main{padding-top: 0 !important;}
.site-v3 *,.site-v3 *::before,.site-v3 *::after{box-sizing: border-box;}
.site-v3 a{color: inherit; text-decoration: none;}
.site-v3 :is(.topic-crumb,.agv-crumb,.series-breadcrumb,.product-model-breadcrumb) a{display:inline-flex; align-items:center; min-width:44px; min-height:44px; vertical-align:middle;}
.site-v3 img{display: block; max-width: 100%;}
.site-v3 button{font: inherit;}
.site-v3 .v3-wrap{width: min(var(--yt-max), calc(100% - var(--page-gutter, 32px) * 2)); margin: 0 auto;}
.site-v3 .topbar{position: relative; z-index: 30; height:auto; padding:0; min-height: 78px; border-bottom: 1px solid #e1e6e9; background: #fff;}
.site-v3 .topbar-inner{width: min(var(--yt-max), calc(100% - var(--page-gutter, 32px) * 2)); min-height: 78px; margin: 0 auto; display: flex; flex-wrap:wrap; align-items: center; justify-content: space-between; gap: 24px;}
.site-v3 .brand{display: inline-flex; align-items: center; min-width: 190px; min-height: 44px; gap: 12px; font-size: 17px; font-weight: 800; letter-spacing: 0;}
.site-v3 .brand img{width: 37px; height: 37px; object-fit: contain;}
.site-v3 .main-nav{display: flex; flex-wrap:wrap; align-items: center; gap: 29px; font-size: 15px;}
.site-v3 .main-nav a{position: relative; display:inline-flex; align-items:center; justify-content:center; min-width:44px; white-space:nowrap; padding: 29px 0 26px; color: #28343d;}
.site-v3 .main-nav a::after{content: ""; position: absolute; left: 0; right: 0; bottom: 20px; height: 2px; background: var(--yt-orange); transform: scaleX(0); transform-origin: left; transition: transform .22s ease;}
.site-v3 .main-nav a:hover::after,.site-v3 .main-nav a:is([aria-current="page"], [aria-current="true"])::after{transform: scaleX(1);}
.site-v3 .v3-consult{display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border: 1px solid var(--yt-ink); border-radius: var(--radius-control); background: var(--yt-ink); color: #fff; font-size: 14px; font-weight: 700; transition: background .2s ease, border-color .2s ease;}
.site-v3 .v3-consult:hover{background: var(--yt-orange); border-color: var(--yt-orange);}
.site-v3 .menu-toggle{position: relative; display: none; width: 44px; height: 44px; padding: 0; border: 1px solid var(--yt-line); border-radius: 4px; background: transparent; color: var(--yt-ink); font-size: 0;}
.site-v3 .menu-toggle::before,.site-v3 .menu-toggle::after{content: ""; position: absolute; left: 50%; top: 50%; width: 17px; height: 2px; background: currentColor; transition: transform .2s ease;}
.site-v3 .menu-toggle::before{transform: translate(-50%, -4px);}
.site-v3 .menu-toggle::after{transform: translate(-50%, 4px);}
.site-v3 .menu-toggle.is-open::before{transform: translate(-50%, 0) rotate(45deg);}
.site-v3 .menu-toggle.is-open::after{transform: translate(-50%, 0) rotate(-45deg);}
.site-v3 a:focus-visible,.site-v3 button:focus-visible{outline: 3px solid #ff9c63; outline-offset: 4px;}
@media (max-width: 1080px) {
.site-v3 .main-nav{gap: 18px;}
.site-v3 .brand{min-width: auto; font-size: 15px;}
}
@media (max-width: 1080px) {
.site-v3 .menu-toggle{display: block;}
.site-v3 .main-nav{position: absolute; top: 78px; left: 0; right: 0; display: none; padding: 12px 32px 22px; border-bottom: 1px solid #ced8dc; background: #fff; box-shadow: 0 12px 22px rgba(16,25,35,.1);}
.site-v3 .main-nav.is-open{display: grid;}
.site-v3 .main-nav a{min-height: 46px; padding: 12px 0; color: var(--yt-ink);}
.site-v3 .main-nav a::after{display: none;}
.site-v3 .topbar .v3-consult{display: none;}
}
@media (max-width: 760px) {
.site-v3 .v3-wrap,.site-v3 .topbar-inner{width: min(100% - 36px, var(--yt-max));}
.site-v3 .topbar,.site-v3 .topbar-inner{min-height: 66px;}
.site-v3 .brand{gap: 8px; font-size: 14px;}
.site-v3 .brand img{width: 31px; height: 31px;}
.site-v3 .menu-toggle{display: block;}
.site-v3 .main-nav{position: absolute; top: 66px; left: 0; right: 0; display: none; padding: 12px 18px 22px; border-bottom: 1px solid #ced8dc; background: #fff; box-shadow: 0 12px 22px rgba(16,25,35,.1);}
.site-v3 .main-nav.is-open{display: grid;}
.site-v3 .main-nav a{padding: 12px 0; color: var(--yt-ink);}
.site-v3 .main-nav a::after{display: none;}
.site-v3 .topbar .v3-consult{display: none;}
}
@media (prefers-reduced-motion: reduce) {
.site-v3 *,.site-v3 *::before,.site-v3 *::after{scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important;}
}
@media (max-width: 1080px) {
html:not(.menu-ready) .site-v3 .menu-toggle{display: none !important;}
html:not(.menu-ready) .site-v3 .main-nav{display: grid;}
}
/* Source: site-content-v1.css */

/* Source: product-topic-v1.css */
html.topic-document{overflow-x: visible; scroll-behavior: auto;}
.site-v3.product-topic{--ink: var(--color-ink); --ink-soft: var(--color-muted);
  --line: var(--color-rule); --surface: var(--color-paper); --surface-soft: var(--color-ground);
  --accent: var(--color-brand); --accent-dark: var(--color-brand-deep);
  --safety-ink: var(--color-ink); --safety-ink-2: var(--color-brand-deep);
  --safety-paper: var(--color-ground); --safety-white: var(--color-paper);
  --safety-line: var(--color-rule); --safety-muted: var(--color-muted);
  --safety-cyan: var(--color-brand); --safety-orange: var(--color-brand);
  --v4-product-dark: var(--color-ink); --v4-product-orange: var(--color-brand);
  background: var(--color-paper); color: var(--color-ink); overflow-x: visible;}
.site-v3.product-topic main{overflow: visible;}
.site-v3.product-topic .v3-wrap,.site-v3.product-topic .topbar-inner,.site-v3.product-topic .section{width: min(var(--content-max), calc(100% - var(--page-gutter) * 2)); max-width: none; margin-inline: auto;}
.site-v3.product-topic .topic-mobile-menu{display: none;}
.site-v3.product-topic summary.menu-toggle{list-style: none; cursor: pointer;}
.site-v3.product-topic summary.menu-toggle::-webkit-details-marker{display: none;}
.site-v3.product-topic .topic-mobile-menu[open] .menu-toggle::before{transform: translate(-50%, 0) rotate(45deg);}
.site-v3.product-topic .topic-mobile-menu[open] .menu-toggle::after{transform: translate(-50%, 0) rotate(-45deg);}
.site-v3.product-topic .topic-hero{padding: 48px 0; background: var(--color-paper); border-bottom: 1px solid var(--color-rule);}
.site-v3.product-topic .topic-hero-grid{display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); align-items: center; gap: 48px;}
.site-v3.product-topic .topic-hero-copy{min-width: 0;}
.site-v3.product-topic .topic-kicker{margin: 0 0 16px; color: var(--color-brand); font: 700 12px/1.5 var(--font-data);}
.site-v3.product-topic .topic-crumb{margin: 0 0 16px; color: var(--color-muted); font-size: 14px;}
.site-v3.product-topic .topic-crumb a{text-decoration: underline; text-underline-offset: 4px;}
.site-v3.product-topic .topic-hero h1{max-width: none; margin: 0; color: var(--color-brand); font-size: var(--type-page); line-height: 1.3; letter-spacing: 0;}
.site-v3.product-topic .topic-lead{max-width: 42em; margin: 20px 0 0; color: var(--color-muted); font-size: 16px; line-height: 1.8;}
.site-v3.product-topic .topic-actions{display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px;}
.site-v3.product-topic .topic-button{display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 20px; border: 1px solid var(--color-brand); border-radius: var(--radius-control); color: var(--color-brand); font-weight: 700;}
.site-v3.product-topic .topic-button--primary{background: var(--color-brand); color: #fff;}
.site-v3.product-topic .topic-button:hover{border-color: var(--color-brand-deep); background: var(--color-brand-deep); color: #fff;}
.site-v3.product-topic .topic-hero-media{display: grid; justify-items: center; gap: 12px; margin: 0; min-width: 0;}
.site-v3.product-topic .topic-hero-media a{width: 100%;}
.site-v3.product-topic .topic-hero-media img{display: block; width: 100%; height: auto; max-width: min(100%,var(--media-max-width)); max-height: none; margin-inline: auto; object-fit: contain;}
.site-v3.product-topic .topic-hero-media figcaption{justify-self: start; color: var(--color-muted); font-size: 13px;}
.site-v3.product-topic .poster-tags{display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px;}
.site-v3.product-topic .poster-tags span{min-width: 0; padding: 4px 8px; border: 1px solid var(--color-rule); border-radius: 0; background: var(--color-ground); color: var(--color-muted);}
.site-v3.product-topic .topic-overview{width: min(var(--content-max), calc(100% - var(--page-gutter) * 2)); margin: 24px auto 0; border-top: 1px solid var(--color-rule);}
.site-v3.product-topic .topic-overview > summary{min-height: 44px; padding: 16px 0; font-weight: 700; cursor: pointer;}
.site-v3.product-topic .topic-overview-content{display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; padding-bottom: 16px;}
.site-v3.product-topic .topic-overview-content .poster-matrix{display: grid; gap: 12px;}
.site-v3.product-topic .topic-overview-content :is(article,li){padding: 12px 0; border-bottom: 1px solid var(--color-rule); background: transparent;}
.site-v3.product-topic .topic-overview-content p{margin: 8px 0 0; color: var(--color-muted);}
.site-v3.product-topic .topic-overview-content .poster-proof{display: grid; margin: 0;}
.site-v3.product-topic .topic-overview-content .poster-proof span{color: var(--color-brand); background: var(--color-ground); border-color: var(--color-rule);}
.site-v3.product-topic .main-nav a::after{background: var(--color-brand);}
.site-v3.product-topic .section{padding-block: var(--section-gap);}
.site-v3.product-topic :is(.section-head,.product-section-head,.safety-section-head,.safety-parameter-heading){display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 16px 32px; margin-bottom: 32px;}
.site-v3.product-topic :is(.section-head,.product-section-head,.safety-section-head,.safety-parameter-heading) > *{min-width: 0;}
.site-v3.product-topic h2.topic-section-title{max-width: none; font-size: var(--type-section); line-height: 1.4; letter-spacing: 0;}
.site-v3.product-topic h3.topic-card-title{max-width: none; font-size: var(--type-card); line-height: 1.5; letter-spacing: 0;}
.site-v3.product-topic :is(.eyebrow,.product-eyebrow,.safety-kicker,.product-proof > span,.product-row-index,.product-case-copy > span){color: var(--color-brand); font-family: var(--font-data); letter-spacing: 0;}
.site-v3.product-topic :is(.page-anchor-bar,.safety-local-nav){position: static; display: flex; flex-wrap: wrap; gap: 0; min-height: 0; width: min(var(--content-max), calc(100% - var(--page-gutter) * 2)); margin: 0 auto; border: 0; border-bottom: 1px solid var(--color-rule); background: var(--color-paper); overflow: visible; box-shadow: none;}
.site-v3.product-topic :is(.page-anchor-bar,.safety-local-nav) a{display: inline-flex; align-items: center; min-height: 48px; padding: 12px 16px; border: 0; color: var(--color-ink); font-size: 14px; white-space: normal;}
.site-v3.product-topic :is(.page-anchor-bar,.safety-local-nav) a:hover{color: var(--color-brand); text-decoration: underline; text-underline-offset: 5px;}
.site-v3.product-topic :is(section,[id]){scroll-margin-top: 100px;}
.site-v3.product-topic figure img{display: block; width: auto; max-width: 100%; height: auto; min-height: 0; aspect-ratio: auto; object-fit: contain; transform: none; filter: none;}
.site-v3.product-topic figure{min-width: 0; min-height: 0;}
.site-v3.product-topic figcaption{color: var(--color-muted); line-height: 1.7;}
.site-v3.product-topic .section-dark{background: var(--color-brand-deep); box-shadow: none; clip-path: none; color: #fff; padding: 32px; border-radius: var(--radius-control);}
.site-v3.product-topic .section-dark::before{display: none;}
.site-v3.product-topic .section-dark :is(.eyebrow,p){color: #fff;}
.site-v3.product-topic .principle-stage{grid-template-columns: 1fr; gap: 24px;}
.site-v3.product-topic .principle-diagram{padding: 0; border: 0; background: none; overflow: visible;}
.site-v3.product-topic .principle-track{display: none;}
.site-v3.product-topic :is(.principle-step,.principle-note){min-width: 0; padding: 20px; border-color: #7492bd; background: none;}
.site-v3.product-topic .principle-step span{color: #fff; letter-spacing: 0;}
.site-v3.product-topic .system-blueprint-wrap{grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 24px;}
.site-v3.product-topic .system-blueprint{display: grid; min-height: 0; gap: 0; padding: 24px; background: var(--color-ground);}
.site-v3.product-topic .system-blueprint::before,.site-v3.product-topic .system-blueprint::after{display: none;}
.site-v3.product-topic :is(.system-core,.system-node){position: static; width: auto; min-width: 0; transform: none; padding: 16px 0; border: 0; border-bottom: 1px solid var(--color-rule); background: none; color: var(--color-ink); text-align: left;}
.site-v3.product-topic .system-core :is(span,p){color: var(--color-muted); letter-spacing: 0;}
.site-v3.product-topic .system-notes{grid-template-columns: 1fr;}
.site-v3.product-topic .proof-layout{grid-template-columns: 1fr; gap: 24px;}
.site-v3.product-topic .proof-item > span{color: var(--color-brand);}
.site-v3.product-topic .proof-media{grid-template-columns: minmax(0,1.4fr) minmax(0,1fr); align-items: start;}
.site-v3.product-topic .proof-media-main img,.site-v3.product-topic .proof-media-stack img{height: auto; min-height: 0; aspect-ratio: auto; object-fit: contain;}
.site-v3.product-topic .xray-doc-link{background: var(--color-ground);}
.site-v3.product-topic .xray-doc-link img{width: 100%;}
.site-v3.product-topic .footer{padding: 32px var(--page-gutter); background: var(--color-ink); color: #fff; overflow-wrap: anywhere;}
.site-v3.product-topic .footer a{display: inline-flex; align-items: center; min-height: 44px; text-decoration: underline; text-underline-offset: 4px;}
.site-v3.product-topic .footer :is(p,span,a){color: #fff;}
.site-v3.product-topic .mobile-contact-bar{display: none;}
.site-v3.product-topic :focus-visible{outline: 3px solid var(--color-focus); outline-offset: 3px;}
.site-v3.product-topic .case-viewer :focus-visible{outline-color: #fff;}
@media(max-width:1080px) {
html.topic-document .site-v3.product-topic .main-nav,.site-v3.product-topic .v3-consult{display: none;}
.site-v3.product-topic .topic-mobile-menu{display: block;}
html.topic-document .site-v3.product-topic summary.menu-toggle{display: block !important;}
.site-v3.product-topic .topic-mobile-nav{position: absolute; top: 100%; left: 0; right: 0; display: grid; padding: 12px var(--page-gutter) 20px; border-bottom: 1px solid var(--color-rule); background: var(--color-paper);}
.site-v3.product-topic .topic-mobile-nav a{display: flex; align-items: center; min-height: 46px; padding: 12px 0; font-size: 15px;}
.site-v3.product-topic .topic-mobile-nav a:is([aria-current="page"], [aria-current="true"]){color: var(--color-brand); font-weight: 700;}
.site-v3.product-topic .topic-hero-grid{gap: 32px;}
.site-v3.product-topic :is(.system-blueprint-wrap,.safety-boundary-grid){grid-template-columns: 1fr;}
.site-v3.product-topic .principle-diagram{grid-template-columns: repeat(2,minmax(0,1fr));}
}
@media(max-width:760px) {
.site-v3.product-topic .topic-hero{padding-block: 32px;}
.site-v3.product-topic .topic-hero-grid{grid-template-columns: 1fr;}
.site-v3.product-topic .topic-hero-media img{max-height: none;}
.site-v3.product-topic .topic-overview-content{grid-template-columns: 1fr;}
.site-v3.product-topic :is(.section-head,.product-section-head,.safety-section-head,.safety-parameter-heading){margin-bottom: 24px;}
.site-v3.product-topic :is(.safety-coverage-grid,.safety-stereo-grid,.proof-media,.principle-diagram,.principle-notes){grid-template-columns: 1fr;}
.site-v3.product-topic .section-dark{padding: 24px 16px;}
.site-v3.product-topic .product-spec-row{grid-template-columns: 1fr;}
.site-v3.product-topic .product-spec-head{display: none;}
.site-v3.product-topic .product-spec-row span{border-right: 0;}
.site-v3.product-topic .product-spec-row span::before{display: block; margin-bottom: 6px; color: var(--color-brand); font-size: 13px; font-weight: 700; content: attr(data-label);}
}
@media(prefers-reduced-motion:reduce) {
.site-v3.product-topic *,.site-v3.product-topic *::before,.site-v3.product-topic *::after{animation: none !important; transition: none !important; scroll-behavior: auto !important;}
}
/* Source: case-media-viewer.css */
.case-media-open{position:relative; display:block; color:var(--color-paper);}
.case-media-open img{display:block;}
.case-media-open::after{content:"查看原图 ↗"; position:absolute; right:12px; bottom:12px; padding:8px 12px; border:1px solid #ffffff80; border-radius:var(--radius-control); background:var(--color-ink); color:var(--color-paper); font:14px/1.4 var(--font-body);}
.case-media-open:hover::after{background:var(--color-brand);}
.case-media-open:focus-visible{outline-offset:5px;}
.case-viewer{box-sizing:border-box; width:calc(100% - 48px); max-width:1600px; height:calc(100dvh - 48px); max-height:1100px; margin:auto; padding:0; border:1px solid var(--color-rule); border-radius:4px; background:var(--color-ink); color:var(--color-paper); overflow:hidden;}
.case-viewer::backdrop{background:#172334e8;}
.case-viewer[open]{display:grid; grid-template-rows:auto minmax(0,1fr) auto;}
.case-viewer-head{display:grid; grid-template-columns:minmax(0,1fr) auto; gap:12px 20px; align-items:center; padding:12px 20px; border-bottom:1px solid #ffffff40;}
.case-viewer-heading{min-width:0; flex:1;}
.case-viewer-heading h2{margin:0; color:var(--color-paper); font:600 16px/1.5 var(--font-body);}
.case-viewer-count{display:block; margin-top:2px; font:14px/1.4 var(--font-data); color:#d7dfe8;}
.case-viewer-regions{grid-column:1 / -1; min-width:0;}
.case-viewer-region-choices{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:8px;}
.case-viewer-region-choices button{min-width:0; overflow-wrap:anywhere;}
.case-viewer-region-choices button[aria-pressed="true"]{background:var(--color-brand); border-color:var(--color-paper);}
.case-viewer-regions p{margin:8px 0 0; color:#d7dfe8; font:14px/1.5 var(--font-body);}
.case-viewer button,.case-viewer-source{display:inline-flex; justify-content:center; align-items:center; min-width:44px; min-height:44px; padding:8px 12px; border:1px solid #ffffff66; border-radius:var(--radius-control); background:transparent; color:var(--color-paper); font:14px/1.3 var(--font-body); cursor:pointer;}
.case-viewer button:hover,.case-viewer-source:hover{background:var(--color-brand);}
.case-viewer button:disabled{opacity:.4; cursor:default;}
.case-viewer :is(button,a):focus-visible{outline:3px solid #fff; outline-offset:3px;}
.case-viewer-stage{overflow:auto; overscroll-behavior:contain; min-height:0; min-width:0; background:#101923; touch-action:pan-x pan-y pinch-zoom;}
.case-viewer-canvas{display:grid; place-items:center; min-width:100%; min-height:100%; width:max-content; padding:16px; box-sizing:border-box;}
.case-viewer-image{display:block; max-width:none; max-height:none; flex:none; object-fit:contain;}
.case-viewer-error{margin:20px;}
.case-viewer-controls{display:flex; flex-wrap:wrap; align-items:center; justify-content:center; gap:8px; padding:12px 20px; border-top:1px solid #ffffff40;}
.case-viewer-zoom{min-width:52px; text-align:center; font:14px/1.4 var(--font-data);}
.case-viewer-source{margin-left:auto; text-decoration:underline; text-underline-offset:4px;}
@media(max-width:760px) {
.case-viewer{width:100%; height:100dvh; max-height:none; max-width:none; border:0; border-radius:0;}
.case-viewer-head{gap:12px; padding:12px 16px;}
.case-viewer-controls{gap:8px; padding:12px 16px max(12px,env(safe-area-inset-bottom));}
.case-viewer-source{margin-left:0;}
}