:root {
  --navy: #06152f;
  --navy-2: #092c61;
  --blue: #2379d8;
  --sky: #8fd8ff;
  --ice: #eaf6ff;
  --paper: #f8fbfe;
  --mist: #edf3f8;
  --ink: #102844;
  --muted: #60758c;
  --line: rgba(16, 40, 68, .14);
  --white-line: rgba(255, 255, 255, .18);
  --display: Georgia, "Songti SC", "STSong", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id], header[id] { scroll-margin-top: 108px; }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: var(--paper); font-family: var(--sans); line-height: 1.75; line-break: strict; -webkit-font-smoothing: antialiased; }
h1, h2, h3, blockquote { text-wrap: balance; }
p, li { text-wrap: pretty; }
h1 > span, h2 > span, h3 > span { white-space: nowrap; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--sky); outline-offset: 4px; }
.shell { width: min(1320px, calc(100% - 72px)); margin: 0 auto; }
.skip-link { position: fixed; z-index: 999; left: 16px; top: -70px; padding: 10px 16px; color: white; background: var(--blue); }
.skip-link:focus { top: 16px; }

/* Multi-page presentation: one primary section per public route. */
html[data-page] main > * { display: none; }
html[data-page="home"] main > .hero,
html[data-page="home"] main > .home-overview,
html[data-page="home"] main > .partner-stage,
html[data-page="belief"] main > #belief,
html[data-page="services"] main > #services,
html[data-page="purpose"] main > #purpose,
html[data-page="taohuayuan"] main > #taohuayuan,
html[data-page="cooperate"] main > #cooperate,
html[data-page="cases"] main > #cases { display: block; }
html[data-page]:not([data-page="home"]) main { padding-top: 98px; }
html[data-page]:not([data-page="home"]) .site-header { color: var(--ink); background: rgba(248,251,254,.96); border-bottom-color: var(--line); box-shadow: 0 10px 35px rgba(7,35,72,.08); backdrop-filter: blur(18px); }
html[data-page]:not([data-page="home"]) .site-header .brand-mark { color: white; background: var(--blue); }
html[data-page]:not([data-page="home"]) .site-header .brand-copy small { color: #71859b; }
html[data-page]:not([data-page="home"]) .site-header .site-nav > a:not(.nav-cta) { color: #425a73; }
html[data-page]:not([data-page="home"]) .site-header .site-nav > a.is-active { color: var(--blue); }
html[data-page]:not([data-page="home"]) .site-header .nav-cta { color: white; background: var(--blue); }
html[data-page]:not([data-page="home"]) .site-header .nav-cta span { color: white; }

/* Navigation */
.site-header { position: fixed; inset: 0 0 auto; z-index: 100; color: white; border-bottom: 1px solid rgba(255,255,255,.12); transition: background .25s, color .25s, box-shadow .25s; }
.nav-wrap { min-height: 98px; display: flex; align-items: center; justify-content: space-between; gap: 34px; }
.brand { display: inline-flex; align-items: center; gap: 14px; flex: 0 0 auto; }
.brand-mark { width: 52px; height: 52px; display: grid; place-items: center; color: #0a3b76; background: white; border-radius: 50% 50% 50% 10px; font: 700 15px/1 Georgia, serif; letter-spacing: .08em; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.1; }
.brand-copy strong { font: 600 23px/1.2 var(--display); letter-spacing: .08em; }
.brand-copy small { margin-top: 6px; color: rgba(255,255,255,.54); font-size: 9px; letter-spacing: .16em; }
.site-nav { display: flex; align-items: center; gap: 22px; font-size: 15px; }
.site-nav > a:not(.nav-cta) { position: relative; padding: 36px 0; color: rgba(255,255,255,.76); }
.site-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; bottom: 25px; width: 0; height: 1px; background: var(--sky); transition: width .2s; }
.site-nav > a:hover::after, .site-nav > a.is-active::after { width: 100%; }
.site-nav > a.is-active { color: white; }
.nav-cta { min-height: 52px; display: inline-flex; align-items: center; gap: 11px; padding: 0 24px; color: var(--navy); background: white; border-radius: 999px; font-weight: 600; }
.nav-cta span { color: var(--blue); }
.nav-toggle { display: none; color: inherit; border: 0; background: none; }
.nav-toggle span { width: 14px; height: 1px; margin: 4px 0; display: block; background: currentColor; }
.site-header.scrolled { color: var(--ink); background: rgba(248,251,254,.92); border-bottom-color: var(--line); box-shadow: 0 10px 35px rgba(7,35,72,.08); backdrop-filter: blur(18px); }
.site-header.scrolled .brand-mark { color: white; background: var(--blue); }
.site-header.scrolled .brand-copy small { color: #71859b; }
.site-header.scrolled .site-nav > a:not(.nav-cta) { color: #425a73; }
.site-header.scrolled .site-nav > a.is-active { color: var(--blue); }
.site-header.scrolled .nav-cta { color: white; background: var(--blue); }
.site-header.scrolled .nav-cta span { color: white; }

/* Shared type and motion */
.micro { display: flex; align-items: center; gap: 12px; margin: 0 0 24px; color: var(--blue); font-size: 10px; font-weight: 700; letter-spacing: .24em; }
.micro > span { width: 42px; height: 1px; display: inline-block; background: currentColor; }
.micro.light { color: var(--sky); }
.reveal { opacity: 1; transform: none; }
.reveal.is-visible { animation: reveal-in .75s cubic-bezier(.2,.8,.2,1) both; }
.reveal-delay-sm { animation-delay: .08s; }
.reveal-delay, .reveal-delay-md { animation-delay: .16s; }
.reveal-delay-lg { animation-delay: .24s; }
@keyframes reveal-in { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: translateY(0); } }

/* Hero */
.hero { position: relative; min-height: 920px; display: flex; align-items: center; overflow: hidden; color: white; background: #050f24; isolation: isolate; }
.hero-image { position: absolute; z-index: -4; inset: 0; background: url("huajian-material-hero-v3-cloud-rebound.png") 68% center / cover no-repeat; transform: scale(1.02); animation: hero-drift 16s ease-in-out infinite alternate; }
.hero-shade { position: absolute; z-index: -3; inset: 0; background: linear-gradient(90deg, rgba(4,13,32,.98) 0%, rgba(5,21,50,.92) 36%, rgba(4,18,43,.38) 68%, rgba(2,9,23,.16) 100%); }
.hero-grid { position: absolute; z-index: -2; inset: 0; opacity: .25; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 88px 88px; mask-image: linear-gradient(to right, #000, rgba(0,0,0,.25)); }
.hero::after { content: "H"; position: absolute; z-index: -1; right: -1.5vw; bottom: -14vw; color: rgba(255,255,255,.035); font: 700 min(52vw, 760px)/1 Georgia, serif; }
.hero-content { position: relative; z-index: 3; display: grid; grid-template-columns: minmax(0, 900px) 1fr; align-items: end; gap: clamp(44px, 5vw, 76px); padding: 170px 0 120px; transform: translateY(-28px); }
.hero-copy { max-width: 900px; }
.hero .micro { color: #a9dcff; }
.hero h1 { max-width: 900px; margin: 0; font: 500 clamp(64px, 6.2vw, 96px)/1.08 var(--display); letter-spacing: -.06em; }
.hero-last-line { display: block; white-space: nowrap; font: inherit; letter-spacing: inherit; }
.hero h1 span { position: relative; color: #8fd8ff; font-style: italic; }
.hero h1 span::after { content: ""; position: absolute; left: -4%; right: -7%; bottom: 4px; height: 8px; opacity: .32; background: #52b8f4; transform: skewX(-18deg); }
.hero-lead { max-width: 650px; margin: 32px 0 40px; color: rgba(226,240,252,.7); font-size: 16px; line-height: 2; }
.hero-actions { display: flex; align-items: center; gap: 30px; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; gap: 18px; padding: 0 26px; border: 1px solid transparent; border-radius: 999px; font-size: 13px; font-weight: 600; transition: transform .2s, box-shadow .2s, background .2s, border-color .2s; }
.button-light { color: var(--navy); background: white; box-shadow: 0 18px 50px rgba(0,0,0,.2); transition: transform .2s, box-shadow .2s; }
.button-light:hover { transform: translateY(-3px); box-shadow: 0 22px 60px rgba(0,0,0,.3); }
.button-light span, .button-light b { color: var(--blue); font-size: 18px; }
.button-outline { color: white; background: rgba(7,35,72,.42); border-color: rgba(255,255,255,.5); box-shadow: inset 0 1px 0 rgba(255,255,255,.12); backdrop-filter: blur(12px); }
.button-outline:hover { transform: translateY(-3px); background: rgba(35,121,216,.72); border-color: rgba(255,255,255,.86); box-shadow: 0 18px 44px rgba(0,18,46,.25); }
.button-outline span { color: var(--sky); font-size: 17px; }
.text-link { display: inline-flex; align-items: center; gap: 14px; color: rgba(255,255,255,.78); font-size: 13px; }
.text-link i { color: var(--sky); font-style: normal; transition: transform .2s; }
.text-link:hover i { transform: translateX(6px); }
.hero-manifesto {
  position: relative;
  justify-self: end;
  width: 310px;
  margin-bottom: 50px;
  padding: 34px 32px 27px;
  overflow: hidden;
  color: var(--navy);
  background: linear-gradient(145deg, rgba(247,252,255,.9), rgba(211,235,251,.75));
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 36px 8px 36px 8px;
  backdrop-filter: blur(18px) saturate(120%);
  box-shadow: 0 30px 70px rgba(0,0,0,.22), inset 0 1px 0 rgba(255,255,255,.7);
}
.hero-manifesto::before {
  content: "";
  position: absolute;
  left: 0;
  top: 42px;
  width: 5px;
  height: 74px;
  border-radius: 0 8px 8px 0;
  background: linear-gradient(#81d7ff, #2488de);
  box-shadow: 0 0 20px rgba(85,187,243,.42);
}
.hero-manifesto::after {
  content: "";
  position: absolute;
  width: 160px;
  height: 160px;
  right: -95px;
  top: -98px;
  border: 1px solid rgba(36,121,216,.18);
  border-radius: 50%;
  box-shadow: 0 0 0 22px rgba(36,121,216,.035);
}
.hero-manifesto > p { margin: 0 0 18px; color: #5480a8; font-size: 9px; font-weight: 800; letter-spacing: .23em; }
.hero-manifesto strong { display: block; margin: 6px 0; font: 600 23px/1.45 var(--display); }
.hero-manifesto > div { display: flex; align-items: center; gap: 10px; margin-top: 22px; color: #5f7b96; font: 600 9px/1 Georgia, serif; }
.hero-manifesto i { flex: 1; height: 1px; background: #9fcbe8; }
.hero-bottom { position: absolute; z-index: 4; left: 0; right: 0; bottom: 30px; display: flex; justify-content: flex-start; align-items: center; color: rgba(255,255,255,.48); font-size: 9px; font-weight: 700; letter-spacing: .17em; }
.hero-bottom p { display: flex; align-items: center; gap: 13px; margin: 0; }
.hero-bottom i { width: 3px; height: 3px; border-radius: 50%; background: var(--sky); }
.hero-bottom a { display: flex; gap: 14px; align-items: center; }
.hero-bottom a span { color: var(--sky); font-size: 15px; }
.hero-side-note { position: absolute; z-index: 4; left: 17px; top: 50%; color: rgba(255,255,255,.24); transform: translateY(-50%) rotate(-90deg); transform-origin: center; font-size: 8px; font-weight: 700; letter-spacing: .25em; }
.hero-orbit { position: absolute; z-index: 0; border: 1px solid rgba(159,220,255,.25); border-radius: 50%; pointer-events: none; }
.orbit-a { width: 540px; height: 540px; right: 5vw; top: 18%; animation: orbit-spin 26s linear infinite; }
.orbit-b { width: 380px; height: 380px; right: 11vw; top: 27%; border-style: dashed; animation: orbit-spin 18s linear infinite reverse; }
.hero-orbit::after { content: ""; position: absolute; width: 10px; height: 10px; left: 18%; top: 7%; border-radius: 50%; background: white; box-shadow: 0 0 0 8px rgba(143,216,255,.12), 0 0 28px #70cfff; }
.hero-node { position: absolute; z-index: 2; width: 7px; height: 7px; border-radius: 50%; background: #8fd8ff; box-shadow: 0 0 0 0 rgba(143,216,255,.3); animation: node-pulse 2.8s ease-out infinite; }
.node-a { right: 6.2vw; top: 49%; }
.node-b { right: 34vw; top: 58%; animation-delay: -1.4s; }
@keyframes hero-drift { to { transform: scale(1.055) translateX(-1%); } }
@keyframes orbit-spin { to { transform: rotate(360deg); } }
@keyframes node-pulse { 0% { box-shadow: 0 0 0 0 rgba(143,216,255,.35); } 75%,100% { box-shadow: 0 0 0 18px rgba(143,216,255,0); } }

/* Home route overview */
.home-overview { position: relative; padding: 142px 0 154px; overflow: hidden; background: linear-gradient(180deg,#f8fbfe,#edf6fd); }
.home-overview::before { content: "HUAJIAN"; position: absolute; right: -1vw; top: 8px; color: rgba(35,121,216,.035); font: 700 12vw/1 Georgia,serif; letter-spacing: -.06em; }
.home-overview-head { position: relative; display: grid; grid-template-columns: 1.1fr .56fr; gap: 90px; align-items: end; }
.home-overview-head h2 { max-width: 820px; margin: 0; font: 500 clamp(46px,5vw,72px)/1.22 var(--display); letter-spacing: -.05em; }
.home-overview-head h2 span { color: var(--blue); }
.home-overview-head > p { max-width: 430px; margin: 0 0 6px; color: var(--muted); font-size: 14px; line-height: 1.95; }
.home-entry-grid { position: relative; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; margin-top: 72px; }
.home-entry { position: relative; min-height: 390px; display: flex; flex-direction: column; padding: 34px 32px 30px; overflow: hidden; background: white; border: 1px solid rgba(16,40,68,.13); box-shadow: 0 18px 48px rgba(20,68,121,.07); transition: transform .2s ease,border-color .2s ease,box-shadow .2s ease; }
.home-entry::after { content: ""; position: absolute; width: 148px; height: 148px; right: -74px; top: -74px; border: 1px solid rgba(35,121,216,.18); border-radius: 50%; box-shadow: 0 0 0 26px rgba(35,121,216,.025); }
.home-entry > span { color: var(--blue); font: 500 12px/1 Georgia,serif; }
.home-entry > small { margin-top: 45px; color: #7e95aa; font-size: 9px; font-weight: 800; letter-spacing: .18em; }
.home-entry h3 { margin: 12px 0 18px; font: 500 clamp(28px,2.3vw,36px)/1.28 var(--display); letter-spacing: -.035em; }
.home-entry p { max-width: 340px; margin: 0; color: var(--muted); font-size: 12px; }
.home-entry strong { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: auto; padding-top: 21px; color: var(--blue); border-top: 1px solid var(--line); font-size: 12px; letter-spacing: .06em; }
.home-entry strong b { width: 38px; height: 38px; display: grid; place-items: center; color: white; background: var(--blue); border-radius: 50%; font-size: 16px; font-weight: 400; transition: transform .2s ease,background .2s ease; }
.home-entry-primary { color: white; background: linear-gradient(145deg,#061a38,#0a4a8d); border-color: transparent; }
.home-entry-primary p { color: rgba(228,244,255,.7); }
.home-entry-primary > span,.home-entry-primary > small,.home-entry-primary strong { color: var(--sky); }
.home-entry-primary strong { border-color: rgba(255,255,255,.18); }
.home-entry-contact { background: linear-gradient(145deg,#e9f6ff,#fff); }
@media (hover:hover) and (pointer:fine) { .home-entry:hover { transform: translateY(-8px); border-color: rgba(35,121,216,.42); box-shadow: 0 26px 64px rgba(20,68,121,.14); } .home-entry:hover strong b { transform: translate(3px,-3px); background: var(--navy); } }

/* Belief */
.belief { padding: 170px 0 110px; background: var(--paper); }
.belief-layout { display: grid; grid-template-columns: .22fr 1.1fr .68fr; gap: 54px; align-items: start; }
.belief-index, .section-marker { color: var(--blue); }
.belief-index span, .section-marker span { display: block; font: 500 72px/1 Georgia, serif; letter-spacing: -.06em; }
.belief-index p, .section-marker p { margin: 12px 0 0; font-size: 8px; font-weight: 800; letter-spacing: .2em; writing-mode: vertical-rl; }
.belief-index.page-marker span, .section-marker.page-marker span { width: fit-content; min-height: 36px; display: inline-flex; align-items: center; padding: 0 13px; font: 700 12px/1 var(--sans); letter-spacing: .08em; white-space: nowrap; border: 1px solid currentColor; border-radius: 999px; }
.belief-statement h2, .section-title h2, .partner-copy h2, .future-title h2, .cooperate-intro h2, .contact h2 { margin: 0; font: 500 clamp(46px, 5vw, 72px)/1.24 var(--display); letter-spacing: -.045em; }
.belief-statement h2 span, .section-title h2 span, .partner-copy h2 span, .future-title h2 span, .cooperate-intro h2 span, .contact h2 span { color: var(--blue); }
.belief-copy { padding-top: 64px; color: var(--muted); }
.belief-copy p { margin: 0 0 22px; }
.line-link { display: flex; align-items: center; justify-content: space-between; margin-top: 38px; padding: 18px 0; color: var(--ink); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 13px; font-weight: 600; }
.line-link span { color: var(--blue); font-size: 18px; }
.value-ribbon { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: center; gap: 20px; margin-top: 120px; padding: 26px 34px; color: #315576; background: var(--ice); border-left: 4px solid var(--blue); }
.value-ribbon p { margin: 0; text-align: center; font: 500 17px/1.4 var(--display); }
.value-ribbon > span { color: #73bce9; }
.belief-principles { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1px; margin-top: 54px; padding: 1px; background: var(--line); }
.belief-principles article { min-height: 275px; padding: 30px 30px 28px; background: white; }
.belief-principles span { color: var(--blue); font: 500 12px/1 Georgia,serif; }
.belief-principles small { display: block; margin: 44px 0 8px; color: #8096ab; font-size: 9px; font-weight: 800; letter-spacing: .16em; }
.belief-principles h3 { margin: 0 0 14px; font: 500 24px/1.35 var(--display); }
.belief-principles p { margin: 0; color: var(--muted); font-size: 12px; }

.section-next { position: relative; min-height: 116px; display: grid; grid-template-columns: 1fr auto 56px; gap: 34px; align-items: center; margin-top: 58px; padding: 26px 28px 26px 32px; overflow: hidden; border: 1px solid transparent; box-shadow: 0 18px 48px rgba(11,50,96,.1); transition: transform .2s ease,box-shadow .2s ease,border-color .2s ease; }
.section-next::before { content: ""; position: absolute; left: 0; top: 0; width: 4px; height: 100%; background: var(--sky); }
.section-next > span { display: flex; flex-direction: column; gap: 5px; }
.section-next small { font-size: 9px; font-weight: 800; letter-spacing: .18em; opacity: .62; }
.section-next strong { font: 500 clamp(18px,1.7vw,24px)/1.35 var(--display); }
.section-next em { font-size: 12px; font-style: normal; font-weight: 700; letter-spacing: .06em; }
.section-next > b { width: 50px; height: 50px; display: grid; place-items: center; border-radius: 50%; font-size: 19px; font-weight: 400; transition: transform .2s ease,background .2s ease; }
.section-next-light { color: var(--navy); background: white; border-color: var(--line); }
.section-next-light em { color: var(--blue); }
.section-next-light > b { color: white; background: var(--blue); }
.section-next-dark { color: var(--navy); background: linear-gradient(100deg,#fff,#e8f6ff); border-color: rgba(255,255,255,.8); }
.section-next-dark em { color: var(--blue); }
.section-next-dark > b { color: white; background: var(--blue); }
.section-next-glass { color: white; background: rgba(7,34,73,.62); border-color: rgba(173,220,255,.34); box-shadow: 0 22px 56px rgba(0,15,38,.28),inset 0 1px 0 rgba(255,255,255,.08); backdrop-filter: blur(16px); }
.section-next-glass em,.section-next-glass small { color: var(--sky); }
.section-next-glass > b { color: var(--navy); background: white; }
@media (hover:hover) and (pointer:fine) { .section-next:hover { transform: translateY(-5px); border-color: rgba(109,196,248,.72); box-shadow: 0 27px 66px rgba(7,42,88,.2); } .section-next:hover > b { transform: translate(3px,-3px); background: var(--navy); color: white; } }

/* Services */
.services {
  position: relative;
  isolation: isolate;
  padding: 160px 0;
  overflow: hidden;
  color: white;
  background:
    linear-gradient(105deg, rgba(3,14,32,.97) 0%, rgba(5,29,61,.91) 48%, rgba(7,45,89,.8) 100%),
    radial-gradient(circle at 12% 18%, rgba(66,157,230,.2), transparent 25%),
    url("section-material-micro-v1.png") 62% center / cover no-repeat;
}
.services::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 760px;
  height: 760px;
  right: -310px;
  top: -360px;
  border: 1px solid rgba(148,213,255,.16);
  border-radius: 50%;
  box-shadow: 0 0 0 90px rgba(111,192,243,.025), 0 0 0 180px rgba(111,192,243,.016);
}
.services::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: .24;
  background-image: linear-gradient(rgba(170,220,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(170,220,255,.08) 1px, transparent 1px);
  background-size: 92px 92px;
  mask-image: linear-gradient(115deg, black, transparent 72%);
}
.services-head { display: grid; grid-template-columns: .22fr 1.05fr .73fr; gap: 54px; align-items: end; }
.section-marker { align-self: start; }
.section-marker span { color: #82d0ff; }
.section-marker p { color: rgba(176,221,250,.45); }
.section-marker.dark span { color: var(--blue); }
.section-marker.dark p { color: #7990a5; }
.services .section-title h2 { color: white; }
.services .section-title h2 span { color: var(--sky); }
.services-intro { margin: 0 0 8px; color: rgba(219,237,250,.58); font-size: 14px; }
.service-lines { margin-top: 90px; border-top: 1px solid var(--white-line); }
.service-line { position: relative; min-height: 164px; display: grid; grid-template-columns: 76px .76fr 1.15fr .72fr; align-items: center; gap: 28px; border-bottom: 1px solid var(--white-line); }
.service-no { position: relative; color: #71c8fb; font: 500 13px/1 Georgia, serif; }
.service-line h3 { position: relative; margin: 0; font: 500 28px/1.3 var(--display); }
.service-line p { position: relative; max-width: 520px; margin: 0; color: rgba(220,238,250,.62); font-size: 13px; }
.service-scope { position: relative; justify-self: end; min-width: 210px; padding: 16px 18px; border-left: 2px solid rgba(143,216,255,.62); background: rgba(255,255,255,.05); }
.service-scope small { display: block; color: rgba(201,232,252,.5); font-size: 8px; font-weight: 800; letter-spacing: .16em; }
.service-scope strong { display: block; margin-top: 7px; color: #d9f2ff; font-size: 11px; font-weight: 600; letter-spacing: .05em; }

/* Partners */
.partner-stage {
  position: relative;
  padding: 170px 0 155px;
  overflow: hidden;
  color: white;
  background:
    radial-gradient(ellipse at 78% 20%, rgba(109,196,248,.16), transparent 27%),
    radial-gradient(ellipse at 22% 86%, rgba(4,29,69,.3), transparent 32%),
    linear-gradient(180deg, #0a3975 0%, #0c4382 24%, #125395 58%, #1766ad 100%);
}
.partner-stage::before { content: ""; position: absolute; width: 640px; height: 640px; left: -300px; top: -300px; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; box-shadow: 0 0 0 90px rgba(255,255,255,.025), 0 0 0 180px rgba(255,255,255,.018); }
.partner-stage::after {
  content: "";
  position: absolute;
  width: 900px;
  height: 320px;
  right: -180px;
  bottom: -190px;
  border: 1px solid rgba(201,233,255,.18);
  border-radius: 50%;
  box-shadow: 0 -38px 0 rgba(255,255,255,.018), 0 -76px 0 rgba(255,255,255,.012);
  transform: rotate(-9deg);
}
.partner-word { position: absolute; z-index: 1; left: 1.5vw; bottom: -3vw; color: rgba(255,255,255,.055); font: 700 15vw/1 Georgia, serif; letter-spacing: -.06em; }
.partner-layout { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, .95fr) minmax(380px, .82fr); gap: clamp(64px, 8vw, 118px); align-items: center; }
.partner-copy { min-width: 0; }
.partner-copy h2 { max-width: 640px; margin: 0; font: 500 clamp(50px, 5.2vw, 74px)/1.24 var(--display); letter-spacing: -.045em; }
.partner-copy h2 span { color: #d9f2ff; }
.partner-copy > p:not(.micro) { max-width: 560px; margin: 32px 0 0; color: rgba(235,246,255,.72); }
.partner-copy .button { margin-top: 34px; }
.partner-list { width: 100%; max-width: 610px; justify-self: end; min-width: 0; }
.partner-list > div { min-height: 112px; display: grid; grid-template-columns: 55px minmax(0,1fr) auto; gap: 16px; align-items: center; padding: 0 12px; border-bottom: 1px solid rgba(255,255,255,.24); }
.partner-list > div:first-child { border-top: 1px solid rgba(255,255,255,.24); }
.partner-list span { color: #bfe8ff; font: 500 12px/1 Georgia, serif; }
.partner-list strong { min-width: 0; font: 500 clamp(22px, 2vw, 27px)/1.3 var(--display); }
.partner-list small { color: rgba(255,255,255,.4); font-size: 8px; font-weight: 700; letter-spacing: .18em; }

/* Purpose */
.purpose { padding: 170px 0; background: #f7fbff; }
.purpose-head { display: grid; grid-template-columns: .22fr .95fr .65fr; gap: 36px; align-items: stretch; }
.purpose-promise {
  position: relative;
  align-self: end;
  justify-self: end;
  width: min(100%, 410px);
  min-height: 270px;
  padding: 86px 0 20px 46px;
  isolation: isolate;
}
.purpose-promise::before {
  content: "";
  position: absolute;
  left: -58px;
  top: 150px;
  width: 88px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(35,121,216,.42));
}
.purpose-promise::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 42px -70px 0 12px;
  border-radius: 150px 0 0 150px;
  background: linear-gradient(90deg, rgba(35,121,216,.045), rgba(35,121,216,0));
}
.promise-loop { position: absolute; z-index: -1; right: 6px; top: 6px; color: rgba(35,121,216,.06); font: 400 132px/.8 var(--display); letter-spacing: -.08em; pointer-events: none; }
.promise-kicker { position: relative; margin: 0 0 18px; color: #4b8ed2; font-size: 8px; font-weight: 800; letter-spacing: .24em; }
.purpose-promise blockquote { position: relative; margin: 0; color: #4f6983; font: 500 clamp(20px, 1.75vw, 25px)/1.75 var(--display); letter-spacing: -.02em; }
.purpose-promise > div { position: relative; display: flex; align-items: center; gap: 13px; margin-top: 22px; color: #7891a9; font-size: 9px; letter-spacing: .18em; }
.purpose-promise > div i { width: 46px; height: 1px; background: var(--blue); }
.purpose-canvas { position: relative; min-height: 720px; margin-top: 80px; }
.purpose-panel { position: absolute; width: 58%; min-height: 430px; padding: 50px 56px; overflow: hidden; }
.purpose-panel::after { position: absolute; right: -30px; bottom: -100px; font: 700 280px/1 Georgia, serif; opacity: .06; }
.purpose-panel.mission { z-index: 2; left: 0; top: 0; color: white; background: radial-gradient(circle at 82% 22%, rgba(75,169,234,.32), transparent 28%), linear-gradient(135deg, #06162f, #0a3977 62%, #0c4c96); box-shadow: 0 34px 80px rgba(7,39,83,.24); }
.purpose-panel.mission::after { content: "M"; }
.purpose-panel.mission::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .28;
  background: repeating-linear-gradient(112deg, transparent 0 62px, rgba(178,224,255,.09) 62px 63px, transparent 63px 124px);
  mask-image: linear-gradient(to left, black, transparent 68%);
}
.purpose-panel.mission > * { position: relative; z-index: 1; }
.purpose-panel.vision { z-index: 1; right: 0; bottom: 0; color: var(--ink); background: #dceeff; }
.purpose-panel.vision::after { content: "V"; }
.purpose-label { display: flex; align-items: center; gap: 16px; }
.purpose-label > span { width: 52px; height: 52px; display: grid; place-items: center; color: var(--sky); border: 1px solid currentColor; border-radius: 50%; font: 500 20px/1 Georgia, serif; }
.vision .purpose-label > span { color: var(--blue); }
.purpose-label p { margin: 0; color: inherit; opacity: .58; font-size: 8px; font-weight: 800; letter-spacing: .16em; line-height: 1.6; }
.purpose-panel h3 { max-width: 600px; margin: 74px 0 30px; font: 500 clamp(30px, 3.2vw, 46px)/1.45 var(--display); }
.purpose-panel > p { max-width: 610px; margin: 0; color: inherit; opacity: .65; font-size: 13px; }
.purpose-values { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; margin-top: 52px; }
.purpose-values article { min-height: 210px; padding: 28px 29px; background: white; border: 1px solid var(--line); box-shadow: 0 14px 38px rgba(20,68,121,.05); }
.purpose-values small { color: var(--blue); font-size: 9px; font-weight: 800; letter-spacing: .16em; }
.purpose-values h3 { margin: 36px 0 10px; font: 500 28px/1.2 var(--display); }
.purpose-values p { margin: 0; color: var(--muted); font-size: 12px; }

/* Taohuayuan */
.taohuayuan {
  position: relative;
  min-height: 1020px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: white;
  background:
    linear-gradient(100deg, rgba(3,14,32,.97) 0%, rgba(5,28,59,.91) 46%, rgba(8,47,91,.74) 100%),
    radial-gradient(circle at 70% 50%, rgba(49,150,224,.26), transparent 28%),
    url("section-molecular-orbit-v1.png") 58% center / cover no-repeat;
}
.taohuayuan::after {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  opacity: .22;
  background-image: linear-gradient(rgba(176,222,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(176,222,255,.07) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: linear-gradient(90deg, black, rgba(0,0,0,.2) 78%, transparent);
}
.taohuayuan::before { content: "桃花源"; position: absolute; left: -1vw; bottom: -4vw; color: rgba(255,255,255,.04); font: 700 19vw/1 var(--display); letter-spacing: -.1em; white-space: nowrap; }
.future-content { position: relative; z-index: 3; width: 100%; }
.future-shell { position: relative; z-index: 3; display: grid; grid-template-columns: .82fr 1.18fr; gap: 140px; align-items: center; }
.future-title .section-marker { margin-bottom: 54px; }
.future-title h2 { font-size: clamp(42px, 4.3vw, 62px); }
.future-title h2 .future-line-two { color: white; white-space: nowrap; }
.future-title h2 .future-line-two b { color: var(--sky); font-weight: inherit; }
.future-title > p:last-child { max-width: 540px; margin: 32px 0 0; color: rgba(226,241,253,.68); }
.future-themes { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: rgba(255,255,255,.18); }
.future-themes article { min-height: 270px; padding: 34px; background: rgba(5,24,58,.76); backdrop-filter: blur(14px); }
.future-themes span { color: #83d2ff; font: 500 11px/1 Georgia, serif; }
.future-themes h3 { margin: 50px 0 13px; font: 500 23px/1.35 var(--display); }
.future-themes p { margin: 0; color: rgba(221,239,252,.61); font-size: 12px; }
.future-field { position: absolute; z-index: 1; width: 740px; height: 740px; left: 34%; top: 50%; transform: translate(-50%,-50%); opacity: .34; }
.future-ring { position: absolute; inset: 0; margin: auto; border: 1px solid rgba(191,229,255,.34); border-radius: 50%; }
.ring-one { width: 100%; height: 100%; animation: future-breathe 7s ease-in-out infinite; }
.ring-two { width: 68%; height: 68%; border-style: dashed; animation: orbit-spin 31s linear infinite; }
.future-core { position: absolute; inset: 0; margin: auto; width: 230px; height: 230px; display: grid; place-content: center; text-align: center; border-radius: 50%; background: radial-gradient(circle at 30% 20%, #7dd0ff, #1765b3 48%, #071d4a 100%); box-shadow: 0 0 70px rgba(84,183,245,.42); animation: future-float 5s ease-in-out infinite; }
.future-core small { font-size: 9px; letter-spacing: .2em; opacity: .7; }
.future-core strong { margin: 9px 0 5px; font: 500 34px/1.1 var(--display); }
.future-core span { color: #a9ddff; font-size: 7px; letter-spacing: .3em; }
.future-dot { position: absolute; width: 10px; height: 10px; border-radius: 50%; background: white; box-shadow: 0 0 0 9px rgba(255,255,255,.08), 0 0 24px #8bd6ff; animation: future-dot 2.5s ease-in-out infinite; }
.dot-one { left: 15%; top: 18%; }.dot-two { right: 4%; top: 44%; animation-delay: -.7s; }.dot-three { right: 23%; bottom: 10%; animation-delay: -1.4s; }.dot-four { left: 3%; bottom: 29%; animation-delay: -2.1s; }
@keyframes future-breathe { 0%,100% { transform: scale(.96); opacity: .4; } 50% { transform: scale(1.04); opacity: 1; } }
@keyframes future-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes future-dot { 0%,100% { opacity: .35; transform: scale(.7); } 50% { opacity: 1; transform: scale(1); } }

/* Process */
.cooperate { padding: 170px 0; background: var(--paper); }
.cooperate-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 130px; align-items: start; }
.cooperate-intro { position: sticky; top: 120px; }
.cooperate-intro .section-marker { margin-bottom: 55px; }
.cooperate-intro > p:last-child { max-width: 520px; margin: 30px 0 0; color: var(--muted); }
.process-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.process-list li { min-height: 170px; display: grid; grid-template-columns: 90px 1fr; align-items: center; border-bottom: 1px solid var(--line); }
.process-list > li > span { color: var(--blue); font: 500 14px/1 Georgia, serif; }
.process-list small { color: #7b9ab6; font-size: 8px; font-weight: 800; letter-spacing: .22em; }
.process-list h3 { margin: 8px 0; font: 500 28px/1.3 var(--display); }
.process-list p { margin: 0; color: var(--muted); font-size: 13px; }
.cooperate-ready { margin-top: 34px; padding: 29px 30px; color: white; background: linear-gradient(135deg,#061a38,#0b4f94); box-shadow: 0 20px 50px rgba(10,57,110,.16); }
.cooperate-ready > small { color: var(--sky); font-size: 9px; font-weight: 800; letter-spacing: .18em; }
.cooperate-ready h3 { margin: 10px 0 19px; font: 500 23px/1.35 var(--display); }
.cooperate-ready p { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; }
.cooperate-ready p span { padding: 7px 11px; color: rgba(235,247,255,.78); border: 1px solid rgba(173,220,255,.24); border-radius: 999px; font-size: 10px; }

/* Real cases */
.case-studies { position: relative; overflow: hidden; padding: 154px 0 164px; color: white; background: radial-gradient(circle at 84% 12%, rgba(52,137,211,.22), transparent 25%), radial-gradient(circle at 14% 91%, rgba(52,154,222,.15), transparent 28%), linear-gradient(135deg, #061631 0%, #082b5c 52%, #0b3c75 100%); }
.case-studies::before { content: "服务实录"; position: absolute; right: -1vw; bottom: -3.5vw; color: rgba(255,255,255,.035); font: 700 15vw/1 var(--display); letter-spacing: -.08em; white-space: nowrap; }
.case-gridline { position: absolute; inset: 0; opacity: .28; background-image: linear-gradient(rgba(173,220,255,.14) 1px, transparent 1px), linear-gradient(90deg, rgba(173,220,255,.14) 1px, transparent 1px); background-size: 118px 118px; mask-image: linear-gradient(to bottom, black, transparent 82%); }
.case-head, .case-list { position: relative; z-index: 1; }
.case-head { display: grid; grid-template-columns: .2fr 1fr .66fr; gap: 54px; align-items: end; }
.case-title h2 { margin: 0; font: 500 clamp(46px, 5vw, 70px)/1.22 var(--display); letter-spacing: -.045em; }
.case-title h2 span { color: var(--sky); }
.case-note { max-width: 380px; margin: 0 0 7px; color: rgba(224,242,255,.66); font-size: 12px; line-height: 1.9; }
.case-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; margin-top: 86px; }
.case-card { position: relative; min-height: 590px; display: flex; flex-direction: column; padding: 35px 38px 36px; background: linear-gradient(145deg, rgba(10,42,86,.86), rgba(4,22,52,.72)); border: 1px solid rgba(184,225,255,.22); box-shadow: inset 0 1px 0 rgba(255,255,255,.07); backdrop-filter: blur(14px); transition: transform .22s ease, border-color .22s ease, background .22s ease; }
.case-card::after { content: ""; position: absolute; width: 112px; height: 112px; right: -28px; top: -28px; border: 1px solid rgba(143,211,255,.25); border-radius: 50%; box-shadow: 0 0 0 22px rgba(143,211,255,.035); }
@media (hover: hover) and (pointer: fine) {
  .case-card:hover { z-index: 1; background: linear-gradient(145deg, rgba(15,64,125,.94), rgba(5,29,67,.86)); border-color: rgba(175,224,255,.52); transform: translateY(-5px); }
}
.case-card-top { display: flex; justify-content: space-between; gap: 16px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,.16); }
.case-card-top span { color: var(--sky); font-size: 10px; font-weight: 800; letter-spacing: .15em; }
.case-card-top p { margin: 0; color: rgba(231,246,255,.54); font-size: 11px; }
.case-card h3 { position: relative; z-index: 1; margin: 46px 0 19px; font: 500 clamp(29px, 2.6vw, 40px)/1.2 var(--display); letter-spacing: -.035em; }
.case-card h3 span { color: var(--sky); }
.case-problem { max-width: 480px; min-height: 48px; margin: 0; color: rgba(231,245,255,.69); font-size: 13px; line-height: 1.85; }
.case-steps { display: grid; gap: 15px; margin: 36px 0 28px; padding: 0; list-style: none; }
.case-steps li { display: grid; grid-template-columns: 31px 1fr; gap: 13px; align-items: start; }
.case-steps b { width: 28px; height: 28px; display: grid; place-items: center; color: var(--sky); border: 1px solid rgba(151,216,255,.36); border-radius: 50%; font: 500 9px/1 Georgia, serif; }
.case-steps span { color: rgba(239,249,255,.77); font-size: 12px; line-height: 1.75; }
.case-result { margin-top: auto; padding: 18px 20px 19px; border-left: 2px solid var(--sky); background: rgba(136,205,250,.08); }
.case-result small { display: block; margin-bottom: 7px; color: var(--sky); font-size: 9px; font-weight: 800; letter-spacing: .18em; }
.case-result strong { color: white; font: 500 16px/1.55 var(--display); }
.case-detail-link { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 18px; padding: 13px 14px 13px 17px; color: var(--navy); background: linear-gradient(100deg,#fff,#e7f5ff); border: 1px solid rgba(255,255,255,.9); border-radius: 3px; box-shadow: 0 12px 28px rgba(0,18,46,.2); touch-action: manipulation; transition: border-color .18s ease, box-shadow .18s ease; }
.case-link-copy { display: flex; flex-direction: column; gap: 2px; }
.case-link-copy small { color: #66829d; font-size: 8px; font-weight: 800; letter-spacing: .18em; }
.case-link-copy strong { color: var(--navy); font-size: 13px; font-weight: 800; letter-spacing: .08em; }
.case-detail-link i { width: 36px; height: 36px; display: grid; place-items: center; flex: 0 0 auto; color: white; background: var(--blue); border-radius: 50%; font-size: 17px; font-style: normal; line-height: 1; transition: transform .18s ease, background .18s ease; }
@media (hover: hover) and (pointer: fine) {
  .case-detail-link:hover { border-color: rgba(143,216,255,.95); box-shadow: 0 15px 32px rgba(0,18,46,.28), inset 0 0 0 1px rgba(143,216,255,.45); }
  .case-detail-link:hover i { background: var(--navy); transform: translateX(2px); }
}
.case-card:focus-within { outline: 2px solid var(--sky); outline-offset: 4px; }
.case-detail-link:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; }

/* Contact and footer */
.contact {
  position: relative;
  padding: 150px 0 122px;
  overflow: hidden;
  color: white;
  background:
    radial-gradient(ellipse at 78% 18%, rgba(75,170,235,.28), transparent 28%),
    radial-gradient(ellipse at 16% 92%, rgba(23,92,159,.32), transparent 35%),
    linear-gradient(120deg, #030e23 0%, #082a5b 54%, #0b4389 100%);
}
.contact::after { content: "LET'S TALK"; position: absolute; right: -1vw; bottom: -2vw; color: rgba(255,255,255,.035); font: 700 12vw/1 Georgia, serif; letter-spacing: -.06em; }
.contact-line { position: absolute; width: 620px; height: 620px; right: -180px; top: -260px; border: 1px solid rgba(255,255,255,.15); border-radius: 50%; box-shadow: 0 0 0 90px rgba(255,255,255,.02), 0 0 0 180px rgba(255,255,255,.012); }
.contact-layout { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr .85fr; gap: 110px; align-items: end; }
.contact h2 { font-size: clamp(44px, 4.5vw, 66px); }
.contact h2 .contact-line-two { color: white; white-space: nowrap; }
.contact h2 .contact-line-two b { color: var(--sky); font-weight: inherit; }
.contact-copy > p { margin: 0 0 30px; color: rgba(225,241,253,.7); }
.contact-copy .button { cursor: pointer; }
.contact-copy small { display: block; margin-top: 18px; color: rgba(255,255,255,.4); font-size: 10px; }
.contact-directory { position: relative; z-index: 2; margin-top: 112px; padding-top: 34px; border-top: 1px solid rgba(255,255,255,.2); }
.directory-head { display: grid; grid-template-columns: 1.15fr .85fr; gap: 110px; align-items: end; margin-bottom: 44px; }
.directory-head .micro { margin-bottom: 15px; }
.directory-head h3 { margin: 0; color: white; font: 500 clamp(30px, 3vw, 45px)/1.18 var(--display); letter-spacing: -.04em; }
.directory-head h3 b { color: var(--sky); font-weight: inherit; }
.directory-head > p { max-width: 380px; margin: 0; color: rgba(225,241,253,.64); line-height: 1.85; }
.directory-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid rgba(255,255,255,.18); border-left: 1px solid rgba(255,255,255,.18); }
.contact-person { min-height: 184px; display: flex; flex-direction: column; padding: 24px 20px 20px; background: rgba(3,18,46,.26); border-right: 1px solid rgba(255,255,255,.18); border-bottom: 1px solid rgba(255,255,255,.18); transition: background .18s ease, transform .18s ease; }
.contact-person:hover { background: rgba(47,119,205,.25); transform: translateY(-4px); }
.contact-person small { color: var(--sky); font-size: 9px; font-weight: 700; letter-spacing: .12em; }
.contact-person h4 { margin: 20px 0 5px; color: white; font: 500 22px/1 var(--display); letter-spacing: .04em; }
.contact-person p { min-height: 20px; margin: 0; color: rgba(225,241,253,.62); font-size: 11px; }
.contact-person a { display: flex; align-items: center; gap: 7px; margin-top: auto; padding-top: 19px; color: white; border-top: 1px solid rgba(255,255,255,.14); font-size: 12px; letter-spacing: .02em; }
.contact-person a span { color: rgba(225,241,253,.5); font-size: 9px; letter-spacing: .1em; }
.contact-person a b { margin-left: auto; color: var(--sky); font-size: 14px; font-weight: 400; }
.site-footer { padding: 34px 0; color: rgba(255,255,255,.55); background: #041027; }
.footer-layout { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; }
.footer-brand { color: white; }
.footer-brand .brand-mark { color: white; background: rgba(255,255,255,.1); }
.footer-layout > p { margin: 0; font-size: 10px; }
.back-to-top { position: fixed; z-index: 90; right: 26px; bottom: 44px; min-width: 118px; height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 0 17px; color: white; background: rgba(4,28,68,.88); border: 1px solid rgba(173,220,255,.42); border-radius: 999px; box-shadow: 0 12px 30px rgba(3,32,77,.23); backdrop-filter: blur(10px); cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(14px); transition: opacity .2s ease, visibility .2s ease, transform .2s ease, background .2s ease, box-shadow .2s ease; }
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-3px); background: var(--blue); box-shadow: 0 16px 32px rgba(3,41,91,.3); }
.back-to-top span { color: var(--sky); font-size: 19px; line-height: 1; }
.back-to-top strong { font-size: 11px; letter-spacing: .08em; }

/* Tablet */
@media (max-width: 1120px) {
  .site-nav { position: fixed; inset: 98px 0 auto; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 16px 32px 30px; color: var(--ink); background: rgba(248,251,254,.98); border-bottom: 1px solid var(--line); box-shadow: 0 18px 45px rgba(7,35,72,.1); }
  .site-nav.open { display: flex; }
  .site-nav > a:not(.nav-cta) { padding: 14px 0; color: var(--ink); }
  .site-nav > a:not(.nav-cta)::after { bottom: 9px; }
  .nav-cta { justify-content: center; margin-top: 12px; color: white; background: var(--blue); }
  .nav-toggle { display: flex; align-items: center; gap: 8px; padding: 10px 0 10px 12px; cursor: pointer; }
  .nav-toggle b { margin-right: 3px; font-size: 13px; }
  .nav-toggle span { width: 20px; }
  .hero-content { grid-template-columns: minmax(0, 850px) 1fr; }
  .hero-manifesto { width: 270px; }
  .home-overview-head { grid-template-columns: 1fr .62fr; gap: 50px; }
  .home-entry { min-height: 410px; padding: 30px 26px 27px; }
  .belief-layout, .services-head { grid-template-columns: .18fr 1fr .72fr; gap: 34px; }
  .partner-layout { grid-template-columns: minmax(0, 1fr) minmax(360px, .88fr); gap: 44px; }
  .partner-copy h2 { font-size: clamp(50px, 5.8vw, 64px); }
  .partner-layout, .future-shell, .cooperate-layout { gap: 44px; }
}

@media (max-width: 980px) {
  .shell { width: min(100% - 48px, 1320px); }
  .hero { min-height: 920px; }
  .hero-content { grid-template-columns: 1fr; align-items: center; transform: translateY(-22px); }
  .hero-copy { max-width: 850px; }
  .hero h1 { font-size: clamp(60px, 9vw, 86px); }
  .hero-manifesto { display: none; }
  .hero-image { background-position: 66% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(4,13,32,.97), rgba(4,18,43,.64)); }
  .home-overview-head { grid-template-columns: 1fr; gap: 26px; }
  .home-entry-grid { grid-template-columns: 1fr 1fr; }
  .home-entry:last-child { grid-column: 1 / -1; min-height: 310px; }
  .belief-layout, .services-head { grid-template-columns: 90px 1fr; }
  .purpose-head { grid-template-columns: 90px 1fr; }
  .purpose-promise { grid-column: 2; justify-self: start; margin-top: 16px; }
  .belief-copy, .services-intro { grid-column: 2; padding-top: 0; }
  .value-ribbon { grid-template-columns: 1fr; gap: 11px; }
  .value-ribbon > span { transform: rotate(90deg); justify-self: center; }
  .belief-principles, .purpose-values { grid-template-columns: 1fr; gap: 10px; background: transparent; }
  .belief-principles article, .purpose-values article { min-height: 210px; }
  .service-line { grid-template-columns: 54px 1fr .82fr; padding: 26px 0; }
  .service-line p { grid-column: 2 / 4; }
  .service-scope { grid-column: 2 / 4; justify-self: stretch; min-width: 0; }
  .partner-layout, .future-shell, .cooperate-layout, .contact-layout, .directory-head { grid-template-columns: 1fr; gap: 45px; }
  .purpose-canvas { min-height: auto; display: grid; gap: 22px; }
  .purpose-panel { position: relative; width: 92%; min-height: 420px; }
  .purpose-panel.vision { margin: -60px 0 0 auto; }
  .future-field { left: 50%; opacity: .18; }
  .cooperate-intro { position: static; }
}

/* Mobile */
@media (max-width: 680px) {
  html[data-page]:not([data-page="home"]) main { padding-top: 78px; }
  .shell { width: calc(100% - 32px); }
  .nav-wrap { min-height: 78px; }
  .site-nav { top: 78px; padding: 12px 16px 24px; }
  .brand { gap: 11px; }
  .brand-mark { width: 44px; height: 44px; font-size: 13px; }
  .brand-copy strong { font-size: 20px; }
  .brand-copy small { display: none; }
  .hero { min-height: 820px; }
  .hero-image { background-position: 61% center; }
  .hero-shade { background: linear-gradient(180deg, rgba(4,13,32,.73), rgba(4,13,32,.92) 58%, rgba(4,13,32,.99)); }
  .hero-grid { background-size: 58px 58px; }
  .hero-content { padding: 134px 0 116px; align-items: end; transform: translateY(-12px); }
  .hero h1 { font-size: clamp(42px, 12vw, 56px); line-height: 1.14; }
  .hero-last-line { font-size: .92em; letter-spacing: -.08em; }
  .hero-lead { margin: 24px 0 30px; font-size: 14px; line-height: 1.85; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero .button { width: 100%; }
  .hero-bottom { display: none; }
  .hero-side-note, .hero-orbit, .hero-node { display: none; }
  .home-overview { padding: 94px 0 100px; }
  .home-overview-head h2 { font-size: 40px; }
  .home-entry-grid { grid-template-columns: 1fr; gap: 12px; margin-top: 48px; }
  .home-entry,.home-entry:last-child { grid-column: auto; min-height: 330px; padding: 27px 24px 24px; }
  .home-entry > small { margin-top: 34px; }
  .belief, .services, .partner-stage, .purpose, .cooperate, .case-studies { padding: 100px 0; }
  .belief-layout, .services-head, .purpose-head { grid-template-columns: 1fr; gap: 30px; }
  .purpose-promise { grid-column: auto; justify-self: stretch; width: 100%; min-height: 230px; margin-top: 18px; padding: 62px 0 20px 28px; }
  .purpose-promise::before { display: none; }
  .purpose-promise::after { inset: 28px -16px 0 0; }
  .promise-loop { top: 4px; right: 0; font-size: 108px; }
  .belief-index, .section-marker { display: flex; align-items: center; gap: 14px; }
  .belief-index span, .section-marker span { font-size: 48px; }
  .belief-index p, .section-marker p { margin: 0; writing-mode: initial; }
  .belief-copy, .services-intro { grid-column: auto; }
  .belief-statement h2, .section-title h2, .partner-copy h2, .future-title h2, .cooperate-intro h2, .contact h2 { font-size: 40px; }
  .value-ribbon { margin-top: 70px; padding: 24px 18px; }
  .belief-principles { margin-top: 34px; }
  .belief-principles article { min-height: 220px; padding: 25px 23px; }
  .belief-principles small { margin-top: 34px; }
  .section-next { grid-template-columns: 1fr 46px; gap: 18px; min-height: 142px; margin-top: 42px; padding: 24px 20px 24px 24px; }
  .section-next em { grid-column: 1; }
  .section-next > b { grid-column: 2; grid-row: 1 / 3; width: 44px; height: 44px; }
  .service-lines { margin-top: 60px; }
  .service-line { min-height: 0; grid-template-columns: 40px 1fr; gap: 14px; padding: 30px 0; }
  .service-line h3 { font-size: 23px; }
  .service-line p,.service-scope { grid-column: 2; }
  .partner-stage { min-height: auto; }
  .partner-layout { gap: 55px; }
  .partner-list > div { grid-template-columns: 42px 1fr; min-height: 96px; }
  .partner-list small { display: none; }
  .purpose-canvas { margin-top: 58px; }
  .purpose-panel { width: 100%; min-height: 400px; padding: 34px 26px; }
  .purpose-panel.vision { margin-top: 0; }
  .purpose-panel h3 { margin-top: 55px; font-size: 29px; }
  .purpose-values { margin-top: 30px; }
  .purpose-values article { min-height: 190px; padding: 24px; }
  .taohuayuan { min-height: auto; padding: 110px 0; }
  .future-shell { gap: 65px; }
  .future-title .section-marker { margin-bottom: 42px; }
  .future-title h2 .future-line-two { white-space: normal; }
  .future-themes { grid-template-columns: 1fr; }
  .future-themes article { min-height: 200px; }
  .future-themes h3 { margin-top: 38px; }
  .future-field { width: 430px; height: 430px; top: 25%; }
  .future-core { width: 150px; height: 150px; }
  .future-core strong { font-size: 25px; }
  .process-list li { min-height: 148px; grid-template-columns: 54px 1fr; }
  .process-list h3 { font-size: 24px; }
  .cooperate-ready { padding: 25px 23px; }
  .case-head { grid-template-columns: 1fr; gap: 30px; }
  .case-title h2 { font-size: 40px; }
  .case-note { max-width: 520px; margin: 0; }
  .case-list { grid-template-columns: 1fr; gap: 16px; margin-top: 55px; }
  .case-card { min-height: auto; padding: 29px 23px 25px; }
  .case-card h3 { margin-top: 38px; font-size: 31px; }
  .case-problem { min-height: 0; }
  .case-steps { margin: 30px 0 25px; }
  .contact { padding: 100px 0; }
  .contact-layout { gap: 45px; }
  .contact-directory { margin-top: 76px; }
  .directory-head { margin-bottom: 34px; }
  .directory-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-person { min-height: 168px; padding: 20px 16px 17px; }
  .contact h2 .contact-line-two { white-space: normal; }
  .contact-copy .button { width: 100%; }
  .footer-layout { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .back-to-top { right: 16px; bottom: 30px; min-width: 108px; height: 42px; padding: 0 14px; }
}

@media (max-width: 380px) {
  .hero h1 { font-size: 40px; }
  .belief-statement h2, .section-title h2, .partner-copy h2, .future-title h2, .cooperate-intro h2, .contact h2 { font-size: 36px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal, .reveal.is-visible { opacity: 1; transform: none; animation: none; }
}