:root {
  color-scheme: light;
  --surface: #f5f9fc;
  --surface-raised: #eaf3fa;
  --text: #203747;
  --muted: #516978;
  --line: #c6dce9;
  --accent: #a5d6f1;
  --blue-ink: #306f99;
  --particle: #4d9ecd;
  --orange: #ed9953;
  --orange-soft: #ffeadb;
  --orange-ink: #9c501a;
  --grid: rgb(101 172 216 / .075);
  --font: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; font-family: var(--font); color: var(--text); background: var(--surface); -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
figure, h1, h2, h3, p { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
a, button { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
::selection { background: var(--accent); color: var(--text); }
:focus-visible { outline: 2px solid var(--blue-ink); outline-offset: 6px; }
.shell { width: min(100% - 96px, 1360px); margin-inline: auto; }
.section-space { padding-block: clamp(80px, 8vw, 128px); }
.section-label { color: var(--blue-ink); font-size: .9rem; font-weight: 600; letter-spacing: .14em; }
.skip-link { position: fixed; z-index: 3; inset: 12px auto auto 12px; background: var(--text); color: var(--surface); padding: 14px; transform: translateY(-180%); }
.skip-link:focus { transform: none; }
.site-header { position: relative; z-index: 2; border-bottom: 1px solid var(--line); }
.header-inner { height: 76px; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.brand, .footer-brand { display: block; width: 180px; padding: 6px 10px; }
.brand img, .footer-brand img { width: 100%; height: auto; }
.header-actions { display: flex; align-items: center; gap: 32px; }
.header-contact { font-size: .9rem; display: flex; align-items: center; gap: 26px; }
.header-contact span, .text-link span { color: var(--orange-ink); }
.dial-nav { position: fixed; left: 0; top: 50%; transform: translateY(-50%); width: 62px; height: 360px; z-index: 10; --rotation: 0deg; }
.dial-ring { position: absolute; left: -142px; top: 40px; width: 280px; height: 280px; border-radius: 50%; border: 1px solid var(--line); background: repeating-conic-gradient(from 0deg, var(--line) 0deg 1deg, transparent 1deg 10deg); mask: radial-gradient(transparent 66%, #000 66% 68%, transparent 68%); transform: rotate(var(--rotation)); transition: transform .7s; opacity: 1; pointer-events: none; }
.dial-links { opacity: 1; visibility: visible; }
.dial-links a { position: absolute; left: var(--x); top: var(--y); transform: translateY(-50%); display: flex; gap: 10px; align-items: center; width: 112px; min-height: 44px; font-size: 13px; white-space: nowrap; color: var(--muted); transition: color .2s, transform .3s; }
.dial-links a span { font-size: 10px; font-family: monospace; color: var(--blue-ink); }
.dial-links a::before { content: ''; width: 5px; height: 5px; flex-shrink: 0; background: var(--accent); border-radius: 50%; }
.dial-links a:hover, .dial-links a[aria-current] { color: var(--orange-ink); transform: translate(5px, -50%); }
.dial-links a[aria-current]::before { background: var(--orange); box-shadow: 0 0 0 4px var(--orange-soft); }
 .compact-menu { display: none; position: relative; }
.compact-menu summary { display: flex; align-items: center; gap: 12px; min-height: 44px; cursor: pointer; font-size: .85rem; list-style: none; }
.compact-menu summary::-webkit-details-marker { display: none; }
.compact-menu summary span { color: var(--blue-ink); }
.compact-menu[open] summary span { transform: rotate(45deg); }
.compact-menu nav { position: absolute; right: 0; top: calc(100% + 12px); width: 200px; padding: 12px; background: var(--surface); border: 1px solid var(--line); box-shadow: 0 12px 28px rgb(48 111 153 / .12); }
.compact-menu nav a { display: block; padding: 12px; font-size: .9rem; }
.compact-menu nav a:hover, .compact-menu nav a[aria-current] { background: var(--orange-soft); color: var(--orange-ink); }
@media (min-width: 1100px) {
  body { --content-left: max(244px, calc((100vw - 1360px) / 2)); }
  .shell { width: calc(100% - var(--content-left) - 48px); max-width: 1360px; margin-left: var(--content-left); margin-right: 48px; }
  .hero { padding-left: var(--content-left); padding-right: 48px; }
  .hero .hero-inner { width: 100%; margin: 0; }
}
@media (max-width: 1099px) {
  .dial-nav { display: none; }
  .compact-menu { display: block; }
}
.hero { position: relative; min-height: min(800px, calc(100dvh - 76px)); display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; padding-inline: max(48px, calc((100% - 1360px) / 2)); background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 72px 72px; border-bottom: 1px solid var(--line); }
.hero-inner { width: 100%; margin: 0; padding-block: 72px; position: relative; z-index: 1; pointer-events: none; }
.hero-title { font-size: clamp(3.5rem, 6.6vw, 6.8rem); font-weight: 500; letter-spacing: -.065em; line-height: 1.06; }
.hero-line { display: block; }
.hero-line:last-child { color: var(--blue-ink); }
.hero-bottom { margin-top: 40px; }
.hero-bottom p { max-width: 21em; color: var(--muted); font-size: 1.06rem; line-height: 1.9; }
.text-link { background: var(--orange-soft); display: inline-flex; align-items: center; gap: 36px; min-height: 48px; margin-top: 30px; padding: 14px 20px; border: 1px solid var(--line); font-size: .9rem; pointer-events: auto; transition: border-color .2s, background .2s; }
.text-link:hover { border-color: var(--blue-ink); background: var(--accent); }
.hero, .capabilities { isolation: isolate; }
.hero { background: var(--surface); }
main > .capabilities { position: relative; background: var(--surface); }
.capabilities > .shell { position: relative; z-index: 1; }
@media (min-width: 1100px) {
  main > .hero { padding-left: var(--content-left); padding-right: 48px; }
}
.particle-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
h2 { font-size: clamp(2.2rem, 4vw, 4.2rem); line-height: 1.2; letter-spacing: -.055em; font-weight: 500; }
h3 { font-size: clamp(1.5rem, 2.3vw, 2.4rem); font-weight: 500; letter-spacing: -.04em; }
p { line-height: 1.9; }
.philosophy { position: relative; isolation: isolate; }
.philosophy > .shell { position: relative; z-index: 1; display: block; }
.philosophy-heading, .philosophy-grid { max-width: 44%; }
.philosophy-heading .section-label { margin-bottom: 26px; }
.philosophy-grid { margin-top: 30px; }
.philosophy-copy { color: var(--muted); font-size: 1.1rem; max-width: 36em; }
.capabilities { background: var(--surface-raised); border-block: 1px solid var(--line); }
.capabilities-heading > p { color: var(--muted); margin-top: 24px; font-size: 1.1rem; }
.capabilities-body { margin-top: 32px; }
.values > .shell { display: grid; grid-template-columns: 1.1fr 1fr; gap: 10%; }
.values h2 { max-width: 6em; }
.values-list { display: grid; gap: 36px; }
.value-item { display: grid; grid-template-columns: 92px 1fr; gap: 24px; align-items: start; }
.value-item h3 { font-size: 1.65rem; color: var(--blue-ink); }
.value-item:nth-child(2) h3 { color: var(--orange-ink); }
.value-item p { color: var(--muted); padding-top: 2px; }
.about { border-top: 1px solid var(--line); }
.about > .shell { display: grid; grid-template-columns: 1fr 1fr; gap: 10%; align-items: center; }
.about h2 span { display: block; margin-top: 18px; color: var(--blue-ink); font-family: "SFMono-Regular", Consolas, monospace; font-size: .35em; letter-spacing: .12em; }
.about-grid { display: flex; flex-direction: column; align-items: flex-start; gap: 32px; }
.about-grid > p { color: var(--muted); font-size: 1.06rem; }
.about-grid figure { padding: 16px 24px; width: 230px; }
.about-grid img { width: 100%; height: auto; }
.contact { position: relative; isolation: isolate; overflow: hidden; border-top: 1px solid var(--line); background: var(--surface-raised); min-height: 660px; }
.contact-inner { position: relative; z-index: 1; pointer-events: none; }
.contact-inner > div { max-width: 50%; }
.contact h2 { margin-top: 24px; }
.contact-copy { margin-top: 32px; max-width: 30em; font-size: 1.06rem; color: var(--muted); }
.contact-link { display: flex; justify-content: space-between; align-items: center; width: min(100%, 440px); padding: 20px 24px; margin-top: 40px; color: #382818; background: var(--orange); font-size: 1.5rem; pointer-events: auto; transition: transform .25s; }
.contact-link:hover { transform: translateY(-3px); }
.contact-link:active { transform: translateY(0); }
.site-footer { border-top: 1px solid var(--line); }
.footer-inner { min-height: 120px; display: flex; justify-content: space-between; align-items: center; gap: 28px; }
.footer-brand { width: 160px; }
.footer-inner p { color: var(--muted); font-size: .85rem; }
@media (prefers-reduced-motion: no-preference) {
  .hero-title { animation: enter .8s both; }
  .hero-bottom { animation: enter .8s .15s both; }
  .motion-ready [data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity .7s, transform .7s; }
  .motion-ready [data-reveal].is-visible { opacity: 1; transform: none; }
  @keyframes enter { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }
}
@media (max-width: 1100px) {
  .shell { width: calc(100% - 64px); }
  .hero { padding-inline: 32px; }
  .hero-title { font-size: clamp(3.2rem, 6.8vw, 5.5rem); }
}
@media (max-width: 767px) {
  .shell { width: calc(100% - 40px); }
  .section-space { padding-block: 68px; }
  .header-inner { height: 68px; }
  .brand { width: 155px; }
  .header-actions { gap: 16px; }
  .header-contact { gap: 10px; font-size: .8rem; }
  .hero { min-height: auto; display: flex; flex-direction: column; padding-inline: 20px; }
  .hero-inner { padding-block: 44px 0; }
  .hero-title { font-size: clamp(3rem, 11.5vw, 5.3rem); }
  .hero-bottom { margin-top: 22px; }
  .hero-bottom p { max-width: 23em; font-size: .96rem; }
  .text-link { margin-top: 22px; }
  .hero-inner { align-self: stretch; }
  .values > .shell, .about > .shell { grid-template-columns: 1fr; gap: 36px; }
  .philosophy-copy { font-size: 1rem; }
  .values h2 { max-width: none; }
  .value-item { grid-template-columns: 70px 1fr; gap: 20px; }
  .about-grid { gap: 28px; }
  .contact { min-height: 600px; }
  .contact-inner > div { max-width: none; }
  .contact-link { width: min(100%, 440px); }
  .footer-inner { flex-wrap: wrap; gap: 20px; padding-block: 28px; }
  .footer-inner p:last-child { width: 100%; }
}
@media (max-width: 360px) {
  .header-contact { gap: 6px; }
  .header-actions { gap: 10px; }
  .brand { width: 135px; }
  .hero-title { font-size: 2.8rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .motion-ready [data-reveal] { opacity: 1; transform: none; }
}

/* One content panel is visible at a time; long panels scroll internally. */
html, body { height: 100%; overflow: hidden; }
.site-header { height: 76px; }
main { height: calc(100dvh - 76px - 84px); }
main > section { height: 100%; min-height: 0; overflow-y: auto; overscroll-behavior: contain; }
main > section[hidden] { display: none; }
main > .section-space { display: flex; flex-direction: column; justify-content: safe center; padding-block: 48px; }
main > .hero { min-height: 0; }
.site-footer { height: 84px; }
.footer-inner { height: 100%; min-height: 0; }
.brand, .footer-brand { width: 180px; padding: 0; }
@media (max-width: 767px) {
  .site-header { height: 68px; }
  main { height: calc(100dvh - 68px - 96px); }
  .site-footer { height: 96px; }
  .brand { width: 155px; }
  .footer-brand { width: 120px; }
  .footer-inner { display: grid; grid-template-columns: 120px 1fr; gap: 4px 16px; padding-block: 12px; }
  .footer-brand { grid-row: span 2; }
  .footer-inner p { text-align: right; font-size: .75rem; }
  .footer-inner p:last-child { width: auto; }
  main > .section-space { padding-block: 36px; }
  main > .hero { justify-content: flex-start; }
  .hero-inner { padding-top: 52px; }
}

.values > .shell { grid-template-columns: minmax(0, 460px) minmax(0, 1fr); gap: 24px; }
.values h2 { max-width: none; font-size: clamp(2.2rem, 3vw, 3.2rem); }
.values-sphere { position: relative; width: min(100%, 460px); aspect-ratio: 1; margin-top: 20px; --particle: #75bfe7; --orange: #ff8a20; }
.values-list { position: relative; height: 460px; align-self: end; display: block; }
.value-item { position: absolute; left: 0; right: 0; top: 16%; transform: translateY(-50%); grid-template-columns: 68px 1fr; gap: 18px; }
.value-item:nth-child(2) { left: 48px; top: 50%; }
.value-item:nth-child(3) { top: 84%; }
.value-item h3 { font-size: 1.4rem; }
.value-item p { font-size: .92rem; line-height: 1.8; }
@media (min-width: 1100px) {
  .values > .shell { grid-template-columns: minmax(0, 920px) minmax(260px, 1fr); }
  .values-sphere { width: 920px; }
  .values-list { height: 920px; }
  .value-item { top: 26%; }
  .value-item:nth-child(2) { left: 96px; top: 50%; }
  .value-item:nth-child(3) { top: 74%; }
}
@media (max-width: 767px) {
  .values > .shell { grid-template-columns: 1fr; gap: 20px; }
  .values-sphere { width: min(100%, 320px); margin-inline: auto; margin-top: 8px; }
  .values-list { height: auto; display: grid; gap: 26px; }
  .value-item { position: relative; inset: auto; transform: none; }
  .value-item:nth-child(2) { left: auto; top: auto; }
  .value-item:nth-child(3) { top: auto; }
}

.honeycomb { position: absolute; inset: 0; overflow: hidden; pointer-events: none; perspective: 900px; opacity: .55; }
.honey-scale { position: absolute; width: 100px; height: 116px; transform-style: preserve-3d; --hex: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }
.honey-scale > span { position: absolute; inset: 0; clip-path: var(--hex); background: #e0edf4; backface-visibility: hidden; }
.honey-scale > span::after { content: ''; position: absolute; inset: 1px; clip-path: var(--hex); background: linear-gradient(140deg, #f8fbfd, #f0f6fa); }
.honey-scale > span:last-child { transform: rotateY(180deg); background: #99cce9; }
.honey-scale > span:last-child::after { background: linear-gradient(140deg, #c4e6f8, #9dd2ef); }
.honey-scale.is-rf > span:last-child::after { background: linear-gradient(140deg, #ffc18e, #ff8a20); }
.honey-scale.is-flipping { animation: honey-flip 1.15s ease-in-out; }
@keyframes honey-flip { 0%, 100% { transform: rotateY(0); } 45%, 60% { transform: rotateY(180deg) translateZ(6px); } }
@media (prefers-reduced-motion: reduce) { .honey-scale.is-flipping > span:first-child::after { background: #c4e6f8; } }

@media (max-width: 767px) {
  .capabilities-body { margin-top: 28px; }
}
.hero-hand{position:absolute;inset:0 0 0 48%;z-index:0}.hero-hand iframe{display:block;width:100%;height:100%;border:0;background:transparent}
@media(max-width:767px){.hero-hand{inset:40% 0 0;pointer-events:none}.hero-inner{position:relative;z-index:1}}
main > .section-space{position:relative;isolation:isolate}.gesture-background{position:absolute;right:2%;top:50%;transform:translateY(-50%);width:min(54vw,720px);height:96%;object-fit:contain;opacity:1;pointer-events:none;z-index:0;user-select:none}.section-space > .shell{position:relative;z-index:1}.philosophy .gesture-background{z-index:0}.honeycomb{z-index:-1}
@media(max-width:767px){.gesture-background{right:-12%;width:85%;opacity:1;height:85%}}
.philosophy .gesture-background { width: 50%; right: 0; }
@media(max-width:767px){
  main > .philosophy { justify-content: flex-start; gap: 12px; }
  .philosophy > .shell { order: 1; flex-shrink: 0; }
  .philosophy-heading, .philosophy-grid { max-width: 100%; }
  .philosophy-heading .section-label { margin-bottom: 18px; }
  .philosophy-grid { margin-top: 24px; }
  .philosophy-copy { max-width: 32em; line-height: 1.85; }
  .philosophy .gesture-background { position: relative; order: 2; flex-shrink: 0; width: 100%; height: clamp(280px, 42dvh, 400px); top: auto; right: auto; transform: none; }
}
.contact-inner > div,.contact-copy{max-width:44%}.contact-copy{margin-top:28px}.contact-link{width:min(44%,360px);margin-top:32px;font-size:1.2rem}.contact .gesture-background{width:50%;right:0}
@media(max-width:767px){
  main > .contact{justify-content:flex-start;gap:16px}
  .contact-inner{order:1;flex-shrink:0}
  .contact-inner > div,.contact-copy{max-width:100%}
  .contact h2{margin-top:18px}
  .contact-copy{margin-top:24px;max-width:32em;font-size:1rem;line-height:1.85}
  .contact-link{width:min(100%,360px);margin-top:26px;font-size:1.1rem}
  .contact .gesture-background{position:relative;order:2;flex-shrink:0;width:100%;height:clamp(250px,36dvh,350px);top:auto;right:auto;transform:none}
}
.text-link,.contact-link{border-radius:999px;background:var(--accent);color:var(--text);border:1px solid #8fc6e6;transition:background .2s,border-color .2s,transform .2s}
.header-contact,.compact-menu summary{white-space:nowrap}
.text-link span{color:var(--blue-ink)}
.text-link:hover,.contact-link:hover{background:#8dc9ec;border-color:#6db4de}
@media(max-width:767px){.header-inner{gap:12px}.header-actions{gap:8px}.header-contact{font-size:.75rem;gap:8px}.compact-menu summary{font-size:.75rem;gap:6px}}
.text-link,.contact-link{justify-content:center;text-align:center;color:#fff;background:#65afe0;border-color:#79bee9;box-shadow:0 8px 20px rgb(48 111 153 / .22),0 2px 5px rgb(48 111 153 / .12),inset 0 1px 0 rgb(255 255 255 / .35)}
.text-link:hover,.contact-link:hover{background:#519ed2;border-color:#65afe0;transform:translateY(-2px);box-shadow:0 12px 26px rgb(48 111 153 / .27),0 3px 7px rgb(48 111 153 / .13),inset 0 1px 0 rgb(255 255 255 / .35)}
.text-link:active,.contact-link:active{transform:translateY(0);box-shadow:0 4px 10px rgb(48 111 153 / .18),inset 0 1px 0 rgb(255 255 255 / .25)}
.capabilities-body{margin-top:36px;width:min(52%,600px)}
.capability-timeline{position:relative;list-style:none;margin:0;padding:0 0 0 42px;display:grid;gap:30px}
.capability-timeline::before{content:'';position:absolute;left:9px;top:22px;bottom:var(--timeline-end-gap,58px);width:2px;background:linear-gradient(var(--accent),var(--blue-ink),var(--orange))}
.capability-timeline::after{content:'';position:absolute;left:6px;top:18px;width:8px;height:8px;border-radius:50%;background:#fff;box-shadow:0 0 10px 3px #75bfe7;animation:timeline-flow 4s ease-in-out infinite;pointer-events:none}
.timeline-node{position:relative;--node-color:var(--blue-ink)}.timeline-node:nth-child(2){--node-color:#69b3dc}.timeline-node:last-child{--node-color:var(--orange)}.timeline-node::before{content:'';position:absolute;left:-40px;top:14px;width:16px;height:16px;border-radius:50%;background:var(--surface);border:3px solid var(--blue-ink);box-shadow:0 0 0 5px rgb(165 214 241 / .25)}
.timeline-node:nth-child(2)::before{border-color:#69b3dc}.timeline-node:last-child::before{border-color:var(--orange);box-shadow:0 0 0 5px rgb(237 153 83 / .13)}
.timeline-node h3{position:relative;display:inline-flex;align-items:center;height:44px;padding:8px 24px 8px 12px;border:1.5px solid var(--node-color);border-left:0;border-radius:0 999px 999px 0;background:transparent;font-size:1.2rem;color:var(--node-color)}.timeline-node h3::before{content:"";position:absolute;left:-15.56px;top:4.94px;width:31.12px;height:31.12px;border-left:1.5px solid var(--node-color);border-bottom:1.5px solid var(--node-color);transform:rotate(45deg);pointer-events:none}.timeline-node p{margin-top:10px;font-size:.85rem;line-height:1.8;color:var(--muted);max-width:30em}
.capabilities-heading{max-width:52%}
@keyframes timeline-flow{0%{top:18px;opacity:0}10%{opacity:1}90%{opacity:1}100%{top:calc(100% - var(--timeline-end-gap,58px) - 4px);opacity:0}}
@media(prefers-reduced-motion:reduce){.capability-timeline::after{display:none}}
@media(max-width:767px){main > .capabilities{justify-content:flex-start;gap:24px}.capabilities > .shell{order:1;flex-shrink:0}.capabilities-heading{max-width:100%}.capabilities-heading > p{font-size:1rem;margin-top:20px}.capabilities-body{width:100%;margin-top:30px}.capability-timeline{gap:26px;padding-left:36px}.timeline-node::before{left:-34px}.timeline-node h3{font-size:1.05rem}.timeline-node p{font-size:.82rem}.capabilities .gesture-background{position:relative;order:2;flex-shrink:0;top:auto;right:auto;transform:none;width:100%;height:260px}}
@media(max-width:767px){main > .capabilities{padding-block:24px;gap:12px}.capabilities-body{margin-top:26px}.capability-timeline{gap:22px}.capabilities .gesture-background{height:140px}}

@media(max-width:767px){
  main > .about{justify-content:flex-start;padding-block:24px;gap:16px}
  .about > .shell{order:1;flex-shrink:0;gap:20px}
  .about h2 span{margin-top:10px}
  .about-grid{gap:16px}
  .about-grid > p{font-size:.95rem;line-height:1.85}
  .about-grid figure{width:160px;padding:0}
  .about .gesture-background{position:relative;order:2;flex-shrink:0;top:auto;right:auto;transform:none;width:100%;height:clamp(200px,30dvh,280px)}
}

@media(max-width:1099px){
  .header-contact > span{display:none}
  .compact-menu summary{justify-content:center;width:44px;height:44px}
}