/* homepage 2.0 · acts 4-7 (2026-10-20) */
.h2-act{--h2-v:#7A3CF0;--h2-b:#4E52F2;--h2-c:#22B8CF;--h2-g:#12A47A;--h2-ink:#1B1C1A;--h2-mute:#5D6070;--h2-quiet:#9396A3;--h2-line:rgba(110,68,255,.12);--h2-card:#fff;--h2-chip:#F3F3F7;padding:96px 0}
.h2-wrap{max-width:1144px;margin:0 auto;padding:0 24px}
.h2-head{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:end;margin-bottom:36px}
.h2-head h2{margin:0;font:600 clamp(32px,3.4vw,46px)/1.15 var(--serif,"Noto Serif SC",Georgia,serif);letter-spacing:-.01em;color:var(--h2-ink)}
.h2-kick{display:inline-block;margin:0 0 12px;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;color:#4A3DC9;background:rgba(110,68,255,.07);box-shadow:inset 0 0 0 1px var(--h2-line)}
.h2-lead{margin:0;color:var(--h2-mute);font-size:15.5px;line-height:1.75}

/* act 4 · the product showcase v2 */
.sc{padding-bottom:72px}
.sc-tabs{max-width:1360px;margin:8px auto 18px;padding:0 24px;overflow-x:auto;scrollbar-width:none}.sc-tabs::-webkit-scrollbar{display:none}
.sc-tabs-in{position:relative;display:flex;justify-content:center;gap:clamp(18px,3.4vw,56px);min-width:max-content;margin:0 auto;padding:6px 4px 14px}
.sc-tab{border:0;background:none!important;box-shadow:none!important;border-radius:0;outline-offset:6px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;padding:6px 2px;color:var(--h2-mute);font-family:inherit;transition:color .3s}
.sc-tab b{font:600 clamp(16px,1.35vw,19px)/1.15 var(--sans,system-ui,sans-serif);letter-spacing:.005em}.sc-tab small{font-size:12px;color:var(--h2-quiet);letter-spacing:.03em}
.sc-tab:hover,.sc-tab[aria-selected="true"]{color:var(--h2-ink)}.sc-tab[aria-selected="true"] small{color:#4A3DC9}
.sc-bar{position:absolute;left:0;bottom:4px;height:2px;width:0;border-radius:1px;background:rgba(110,68,255,.14);transition:left .5s cubic-bezier(.2,.8,.2,1),width .5s cubic-bezier(.2,.8,.2,1);overflow:hidden}
.sc-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#7A3CF0,#4E52F2,#22B8CF)}.sc-bar.run i{animation:scpg var(--dur,9s) linear forwards}.sc.paused .sc-bar.run i{animation-play-state:paused}@keyframes scpg{to{width:100%}}
.sc-stage{position:relative;max-width:1360px;margin:0 auto;border-radius:36px;overflow:hidden;background:radial-gradient(70% 60% at 30% 42%,#FFFFFF,rgba(255,255,255,0) 70%),linear-gradient(180deg,#FFFFFF 0%,#FAFAFC 55%,#F1F0F7 100%);box-shadow:0 40px 90px -60px rgba(40,30,90,.5),inset 0 0 0 1px rgba(110,68,255,.07)}
.sc-stage::after{content:"";position:absolute;left:6%;right:46%;top:76%;height:1px;background:linear-gradient(90deg,transparent,rgba(110,68,255,.16),transparent);pointer-events:none}
.sc-grid{position:relative;display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:clamp(24px,4vw,64px);min-height:clamp(560px,70vh,680px);padding:clamp(28px,4vw,56px) clamp(24px,5vw,72px)}
.sc-vis{position:relative;height:clamp(380px,52vh,500px);display:grid;place-items:center}
.sc-vis::before,.sc-vis::after{content:"";position:absolute;left:50%;top:48%;width:min(78%,440px);aspect-ratio:1;border-radius:50%;transform:translate(-50%,-50%) scale(.6);border:1.5px solid rgba(110,68,255,.18);opacity:0;animation:scping 4.8s cubic-bezier(.2,.7,.3,1) infinite;pointer-events:none}.sc-vis::after{animation-delay:2.4s;border-color:rgba(34,184,207,.2)}
@keyframes scping{0%{opacity:0;transform:translate(-50%,-50%) scale(.55)}18%{opacity:1}100%{opacity:0;transform:translate(-50%,-50%) scale(1.15)}}
.sc-spot{position:absolute;left:50%;top:48%;width:86%;aspect-ratio:1.25;transform:translate(-50%,-50%);border-radius:50%;background:radial-gradient(50% 50% at 50% 50%,rgba(122,60,240,.09),rgba(34,184,207,.04) 55%,transparent 72%);pointer-events:none}
.sc-pic{position:relative;width:100%;height:100%;display:grid;place-items:center;perspective:1200px}
.sc-obj{position:relative;display:grid;place-items:center;max-width:100%;max-height:100%;transform-style:preserve-3d;transform:translateY(var(--fy,0px)) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .4s cubic-bezier(.2,.8,.2,1),opacity .45s;animation:scfloat 10s ease-in-out infinite}
.sc-pic.hover .sc-obj{animation-play-state:paused}
@keyframes scfloat{0%,100%{--fy:0px;--ry:-2.5deg}50%{--fy:-10px;--ry:2.5deg}}
@property --fy{syntax:'<length>';inherits:true;initial-value:0px}@property --ry{syntax:'<angle>';inherits:true;initial-value:0deg}@property --rx{syntax:'<angle>';inherits:true;initial-value:0deg}
.sc-obj>img,.sc-obj>svg{display:block;max-width:min(86%,520px);max-height:clamp(290px,40vh,390px);width:auto;height:auto;object-fit:contain;filter:drop-shadow(0 2px 1px rgba(27,28,26,.08)) drop-shadow(0 26px 30px rgba(27,28,26,.17))}
.sc-obj .sc-sh{position:absolute;left:50%;bottom:-22px;width:62%;height:26px;transform:translateX(-50%);border-radius:50%;background:radial-gradient(50% 50% at 50% 50%,rgba(27,28,26,.26),transparent 70%);filter:blur(5px);pointer-events:none}
.sc-pic.swap .sc-obj{opacity:0;transform:scale(.95)}
.sc-pic.portrait .sc-obj>img{width:clamp(220px,24vw,320px);height:clamp(220px,24vw,320px);border-radius:50%;object-fit:cover;box-shadow:0 0 0 10px #fff,0 0 0 11px var(--h2-line),0 40px 60px -28px rgba(40,30,90,.5);filter:none}
.sc-pic.scene .sc-obj>img{border-radius:22px;max-height:clamp(320px,46vh,440px);filter:drop-shadow(0 26px 40px rgba(27,28,26,.25))}
/* the motion views: parts of one picture, each starting from its assembled place */
.sc-anim{position:relative;height:clamp(300px,42vh,410px);max-width:100%;filter:drop-shadow(0 26px 30px rgba(27,28,26,.17))}
.sc-anim>img{position:absolute;height:auto;transition:transform 1.7s cubic-bezier(.16,1,.3,1),filter 1.2s;will-change:transform}
.sc-anim:not(.go)>img{transition:none}
.sc-anim>.glow{position:absolute;border-radius:40%;background:radial-gradient(50% 50% at 50% 45%,rgba(78,82,242,.55),rgba(34,184,207,.25) 45%,transparent 72%);filter:blur(18px);opacity:0;transition:opacity 1.4s .6s;pointer-events:none;mix-blend-mode:multiply}
.sc-anim.go>.glow{opacity:.9}
.sc-pic.hover .sc-anim.go.explode>img.p0{transform:translateX(-4%)}.sc-pic.hover .sc-anim.go.explode>img.p2{transform:translateX(4%)}
/* HN-X1: the radar waves breathe out */
.sc-radar path{transform-box:fill-box;transform-origin:50% 100%;animation:scwave 2.6s ease-out infinite}.sc-radar path:nth-of-type(2){animation-delay:.5s}.sc-radar path:nth-of-type(3){animation-delay:1s}
@keyframes scwave{0%{opacity:0;transform:scale(.82)}25%{opacity:1}100%{opacity:0;transform:scale(1.22)}}
.sc-views{position:absolute;left:50%;bottom:4px;transform:translateX(-50%);display:flex;gap:4px;max-width:calc(100% - 16px);overflow-x:auto;scrollbar-width:none;padding:4px;border-radius:999px;background:rgba(255,255,255,.78);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:inset 0 0 0 1px var(--h2-line);z-index:2}
.sc-views button{flex:none;white-space:nowrap;border:0;background:none;padding:6px 12px;border-radius:999px;font:600 12px/1 var(--sans,system-ui,sans-serif);color:var(--h2-mute);cursor:pointer}.sc-views button.on{color:#fff;background:linear-gradient(120deg,#7A3CF0,#4E52F2 55%,#1D64E0)}
.sc-views:empty,.sc-views.one{display:none}
.sc-copy{display:flex;flex-direction:column;gap:14px;max-width:540px}
.sc-claim{display:inline-flex;align-self:flex-start;align-items:center;gap:8px;margin:0;padding:7px 14px;border-radius:999px;font:600 13.5px/1.2 var(--sans,system-ui,sans-serif);color:#fff;background:linear-gradient(120deg,#7A3CF0,#4E52F2 55%,#1D64E0);box-shadow:0 12px 26px -14px rgba(78,82,242,.9)}.sc-claim::before{content:"";width:7px;height:7px;border-radius:50%;background:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.28)}
.sc-feats{list-style:none;margin:2px 0 0;padding:0;display:grid;gap:8px}.sc-feats li{position:relative;padding-left:26px;font-size:14.5px;line-height:1.55;color:var(--h2-ink)}.sc-feats li::before{content:"";position:absolute;left:2px;top:.42em;width:14px;height:14px;border-radius:50%;background:linear-gradient(135deg,#12A47A,#22B8CF)}.sc-feats li::after{content:"";position:absolute;left:6.5px;top:calc(.42em + 3.6px);width:5px;height:3px;border-left:1.8px solid #fff;border-bottom:1.8px solid #fff;transform:rotate(-45deg)}
.sc-tag{margin:0;font-size:13px;font-weight:600;letter-spacing:.06em;color:#4A3DC9}
.sc-name{margin:0;font:600 clamp(38px,3.9vw,56px)/1.02 var(--serif,"Noto Serif SC",Georgia,serif);letter-spacing:-.015em;color:var(--h2-ink)}
.sc-line{margin:0;font-size:clamp(16px,1.3vw,19px);line-height:1.6;color:var(--h2-ink);max-width:28em}
.sc-hi{display:grid;grid-template-columns:repeat(4,1fr);margin:4px 0 2px;border-top:1px solid rgba(110,68,255,.12)}
.sc-hi div{padding:12px 10px 10px 0;border-bottom:1px solid rgba(110,68,255,.12)}.sc-hi div+div{padding-left:12px;border-left:1px solid rgba(110,68,255,.12)}
.sc-hi b{display:block;font:600 clamp(20px,1.8vw,27px)/1.05 var(--serif,"Noto Serif SC",Georgia,serif);letter-spacing:-.01em;background:linear-gradient(100deg,#7A3CF0,#4E52F2 55%,#1D64E0);-webkit-background-clip:text;background-clip:text;color:transparent}
.sc-hi b i{font-style:normal;font-size:.5em;margin-left:2px;letter-spacing:0}.sc-hi span{display:block;margin-top:5px;font-size:11.5px;line-height:1.35;color:var(--h2-mute)}
.sc-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.sc-cta a{display:inline-flex;align-items:center;gap:10px;height:54px;padding:0 26px;border-radius:999px;font:600 16px/1 var(--sans,system-ui,sans-serif);text-decoration:none;transition:transform .2s,box-shadow .2s}
.sc-cta a.p{color:#fff;background:linear-gradient(120deg,#7A3CF0,#4E52F2 48%,#1D64E0);box-shadow:0 20px 36px -16px rgba(78,82,242,.9)}.sc-cta a.p:hover{transform:translateY(-2px);box-shadow:0 24px 40px -16px rgba(78,82,242,1)}
.sc-cta a.g{color:var(--h2-ink);background:rgba(255,255,255,.9);box-shadow:inset 0 0 0 1.5px rgba(110,68,255,.28)}.sc-cta a.g:hover{box-shadow:inset 0 0 0 1.5px rgba(110,68,255,.6)}
.sc-cta a .ar{transition:transform .2s}.sc-cta a:hover .ar{transform:translateX(4px)}
.sc-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:22px 36px;margin-top:26px;padding:0 8px}
.sc-specs .grp b{display:block;margin-bottom:10px;font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--h2-quiet)}
.sc-specs .chips{display:flex;flex-wrap:wrap;gap:6px}.sc-specs .chips span{padding:5px 10px;border-radius:9px;font-size:12.5px;line-height:1.3;color:#2E3038;background:var(--h2-chip);box-shadow:inset 0 0 0 1px rgba(27,28,26,.05)}.sc-specs .chips.cert span{color:#0E7C5B;background:rgba(18,164,122,.1)}
.sc-specs .line{grid-column:1/-1;margin:0;font-size:12.5px;color:var(--h2-quiet);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
html[data-theme="dark"] .sc-stage{background:radial-gradient(70% 60% at 30% 42%,#232838,rgba(35,40,56,0) 70%),linear-gradient(180deg,#1B2030,#171B26 55%,#12151E);box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}
html[data-theme="dark"] .sc-cta a.g{background:#1F2430;color:#ECEDF1}html[data-theme="dark"] .sc-views{background:rgba(22,26,36,.85)}html[data-theme="dark"] .sc-specs .chips span{color:#D8DAE3}
html[data-theme="dark"] .sc-pic.portrait .sc-obj>img{box-shadow:0 0 0 10px #1B2030,0 0 0 11px rgba(255,255,255,.08),0 40px 60px -28px rgba(0,0,0,.6)}html[data-theme="dark"] .sc-anim>.glow{mix-blend-mode:screen}
@media (max-width:900px){.sc-hi{grid-template-columns:1fr 1fr}.sc-hi div:nth-child(3){padding-left:0;border-left:0}.sc-tabs-in{justify-content:flex-start}.sc-grid{grid-template-columns:1fr;min-height:0;padding:22px 20px 28px;gap:18px}.sc-vis{height:290px}.sc-obj>img,.sc-obj>svg{max-height:240px}.sc-anim{height:250px}.sc-stage{border-radius:26px;margin:0 12px}.sc-name{font-size:40px}.sc-cta a{flex:1;justify-content:center}.sc-specs{grid-template-columns:1fr;gap:16px}.sc-stage::after{display:none}}
html.h2-lite .sc-obj{animation:none}html.h2-lite .sc-vis::before,html.h2-lite .sc-vis::after{animation:none;opacity:0}html.h2-lite .sc-obj>img{filter:drop-shadow(0 12px 16px rgba(27,28,26,.16))}html.h2-lite .sc-anim>img{transition-duration:.6s}
@media (prefers-reduced-motion:reduce){.sc-vis::before,.sc-vis::after{animation:none;opacity:0}.sc-obj{animation:none;transition:none}.sc-anim>img{transition:none!important;transform:none!important}.sc-radar path{animation:none}.sc-bar.run i{animation:none;width:100%}}

/* act 5 · scale */
.h2-figs{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:28px}
.h2-fig{padding:22px 24px;border-radius:18px;background:var(--h2-card);box-shadow:inset 0 0 0 1px rgba(110,68,255,.08)}
.h2-fig b{display:block;font:600 clamp(34px,3.6vw,46px)/1 var(--serif,"Noto Serif SC",Georgia,serif);background:linear-gradient(100deg,var(--h2-v),var(--h2-b) 55%,#1D64E0);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-.01em}
.h2-fig b i{font-style:normal;font-size:.42em;margin-left:4px;letter-spacing:0}.h2-fig span{display:block;margin-top:8px;font-size:13px;color:var(--h2-mute)}
.h2-mapwrap{position:relative;border-radius:24px;background:var(--h2-card);box-shadow:inset 0 0 0 1px rgba(110,68,255,.08);padding:18px 18px 12px;overflow:hidden}
.h2-map{display:block;width:100%;height:auto}
.h2-dots{stroke:rgba(27,28,26,.16);stroke-width:4.2;stroke-linecap:round;fill:none}
.h2-lit{stroke:url(#h2lit);stroke:#4E52F2;stroke-width:4.6;stroke-linecap:round;fill:none;opacity:.85}
.h2-mk circle{fill:#FF6A4D}.h2-mk .ring{fill:none;stroke:#FF6A4D;stroke-width:1.5;transform-box:fill-box;transform-origin:center;animation:h2ring 2.6s ease-out infinite;animation-delay:var(--d)}
@keyframes h2ring{0%{transform:scale(1);opacity:.9}100%{transform:scale(4.5);opacity:0}}
.h2-mk text{font:600 11px/1 var(--sans,system-ui,sans-serif);fill:var(--h2-ink);paint-order:stroke;stroke:#fff;stroke-width:3px;stroke-linejoin:round}
.h2-maplegend{display:flex;gap:22px;flex-wrap:wrap;padding:8px 6px 0;font-size:12.5px;color:var(--h2-mute)}.h2-maplegend i{display:inline-block;width:9px;height:9px;border-radius:50%;background:rgba(27,28,26,.18);margin-right:7px;vertical-align:-1px}.h2-maplegend i.lit{background:#4E52F2}
.h2-cases{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:14px;margin-top:14px}
.h2-case{display:flex;flex-direction:column;gap:10px;padding:26px;border-radius:22px;background:var(--h2-card);box-shadow:inset 0 0 0 1px rgba(110,68,255,.08);text-decoration:none;color:var(--h2-ink);transition:transform .25s,box-shadow .25s}
a.h2-case:hover{transform:translateY(-3px);box-shadow:inset 0 0 0 1px rgba(110,68,255,.2),0 24px 44px -30px rgba(40,30,90,.5)}
.h2-case h3{margin:0;font:600 clamp(19px,1.7vw,24px)/1.25 var(--serif,"Noto Serif SC",Georgia,serif)}.h2-case p{margin:0;font-size:14px;line-height:1.7;color:var(--h2-mute)}
.h2-casefigs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:6px}.h2-casefigs b{display:block;font:600 24px/1.1 var(--serif,"Noto Serif SC",Georgia,serif);color:var(--h2-ink)}.h2-casefigs span{display:block;font-size:11.5px;color:var(--h2-quiet);margin-top:4px}
.h2-more{margin-top:auto;font-weight:600;font-size:14px;color:#4A3DC9}.h2-cite{font-size:11px;color:var(--h2-quiet)}
.h2-case.uses ul{margin:0;padding:0;list-style:none;display:grid;gap:12px}.h2-case.uses li{font-size:13px;line-height:1.6;color:var(--h2-mute)}.h2-case.uses li b{display:block;color:var(--h2-ink);font-size:14px}
/* act 6 · open */
.h2-flow{display:grid;grid-template-columns:1fr 28px 1fr 28px 1fr 28px 1.3fr;align-items:center;gap:0;margin-bottom:22px}
.h2-node{padding:18px 20px;border-radius:18px;background:var(--h2-card);box-shadow:inset 0 0 0 1px rgba(110,68,255,.1)}.h2-node b{display:block;font-size:15px;color:var(--h2-ink)}.h2-node span{display:block;margin-top:4px;font-size:12.5px;color:var(--h2-mute);line-height:1.5}
.h2-flow i{display:block;height:2px;background:linear-gradient(90deg,var(--h2-v),var(--h2-c));position:relative}.h2-flow i::after{content:"";position:absolute;right:-1px;top:-4px;border-left:7px solid var(--h2-c);border-top:5px solid transparent;border-bottom:5px solid transparent}
.h2-tools{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.h2-tools a{display:flex;flex-direction:column;gap:8px;padding:22px;border-radius:20px;background:var(--h2-card);box-shadow:inset 0 0 0 1px rgba(110,68,255,.08);text-decoration:none;color:var(--h2-ink);transition:transform .25s,box-shadow .25s}
.h2-tools a:hover{transform:translateY(-3px);box-shadow:inset 0 0 0 1px rgba(110,68,255,.22),0 24px 44px -30px rgba(40,30,90,.5)}
.h2-tools b{font-size:17px}.h2-tools span{font-size:13px;line-height:1.65;color:var(--h2-mute)}.h2-tools em{margin-top:auto;font-style:normal;font-weight:600;font-size:13px;color:#4A3DC9}
.h2-openrow{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:14px;margin-top:14px}
.h2-badge{display:flex;flex-direction:column;gap:4px;padding:18px 20px;border-radius:18px;background:rgba(110,68,255,.05);box-shadow:inset 0 0 0 1px rgba(110,68,255,.1)}.h2-badge b{font-size:14.5px;color:var(--h2-ink)}.h2-badge span{font-size:12.5px;color:var(--h2-mute);line-height:1.5}
.h2-badge.invite{background:linear-gradient(120deg,rgba(241,177,64,.12),rgba(18,164,122,.1))}.h2-badge.invite a{margin-top:6px;font-weight:600;font-size:13.5px;color:#0E7C5B;text-decoration:none}
/* act 7 · action */
.h2-contact{padding:72px 0;background:linear-gradient(120deg,#1B1440,#2A2C7A 55%,#133B8A);color:#fff}
.h2-contactrow{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}
.h2-contact h2{margin:0 0 12px;font:600 clamp(28px,3vw,40px)/1.2 var(--serif,"Noto Serif SC",Georgia,serif);color:#fff}.h2-contact p{margin:0;font-size:15px;line-height:1.75;color:rgba(255,255,255,.78)}
.h2-kick.light{color:#fff;background:rgba(255,255,255,.12);box-shadow:inset 0 0 0 1px rgba(255,255,255,.2)}
.h2-acts{display:flex;flex-direction:column;gap:12px;align-items:flex-start}.h2-contact .h2-btn.p{background:#fff;color:#2A2C7A;box-shadow:0 16px 30px -14px rgba(0,0,0,.5)}.h2-contact .h2-btn.g{background:transparent;color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.4)}
.h2-direct{display:flex;gap:18px;flex-wrap:wrap;font-size:13.5px}.h2-direct a{color:rgba(255,255,255,.85);text-decoration:none;border-bottom:1px solid rgba(255,255,255,.3)}
/* the nav mark: a coin-turn of the double helix on hover, the nexus glow breathing */
.hn-m{perspective:240px}.hn-m img{display:block;transform-style:preserve-3d;transition:transform 1.1s cubic-bezier(.2,.8,.2,1),filter .6s}.brand:hover .hn-m img{transform:rotateY(360deg);filter:drop-shadow(0 0 6px rgba(78,82,242,.45))}
@media (prefers-reduced-motion:reduce){.hn-m img{transition:none}.brand:hover .hn-m img{transform:none}}
/* act 1 */
.h2-hero h1{font-size:clamp(34px,3.3vw,56px);line-height:1.12;letter-spacing:-.012em;max-width:17em}
.h2-hero .lead{max-width:34em;font-size:clamp(15px,1.25vw,18px);line-height:1.6;color:var(--h2-mute,#5D6070)}
.h2-hero .cta{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.h2-ctalink{font:600 14.5px/1 var(--sans,system-ui,sans-serif);color:#4A3DC9;text-decoration:none;border-bottom:1px solid rgba(74,61,201,.3);padding-bottom:3px}
.h2-ctalink:hover{border-bottom-color:#4A3DC9}
/* lite tier: low-end devices, slow networks, reduced-motion visitors keep the content and lose the costly effects */
html.h2-lite .pm-refl,html.h2-lite .pm-spec,html.h2-lite .pm-sha{display:none}html.h2-lite .pm-obj{animation:none;transition:none}html.h2-lite .pm-obj img,html.h2-lite .pm-obj svg{filter:drop-shadow(0 10px 14px rgba(27,28,26,.16))}
html.h2-lite .h2-mk .ring{animation:none;opacity:0}html.h2-lite .pm-tile.on .pm-pg{animation:none;width:100%}
.h2-act:not(.h2-seen) .h2-mk .ring{animation-play-state:paused}
.pm-pic.broken .pm-obj img{display:none}.pm-pic.broken::after{content:attr(data-fallback);position:absolute;inset:auto;font-size:13px;color:var(--h2-quiet)}
/* the visitor's own market on the map */
.h2-mk.me circle:first-child{r:5.5}.h2-mk.me .ring{animation-duration:1.8s;stroke-width:2.2}.h2-mk.me text{font-size:12.5px;font-weight:700}
/* demo mode */
.h2-demobar{position:fixed;left:0;right:0;top:0;z-index:99990;height:34px;display:flex;align-items:center;justify-content:center;font:600 12.5px/1 var(--sans,system-ui,sans-serif);color:#fff;background:rgba(27,20,64,.82);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:opacity .5s}
.h2-demobar.off{opacity:0}.h2-demobar i{position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,#7A3CF0,#4E52F2,#22B8CF)}
html.h2-demo-armed body::after{content:"▶ 点击任意处开始演示";position:fixed;left:50%;bottom:28px;transform:translateX(-50%);z-index:99990;padding:12px 20px;border-radius:999px;font:600 14px/1 var(--sans,system-ui,sans-serif);color:#fff;background:linear-gradient(120deg,#7A3CF0,#4E52F2 55%,#1D64E0);box-shadow:0 16px 30px -14px rgba(78,82,242,.85);pointer-events:none}
html.h2-demo.h2-demo-armed body::after{display:none}
/* dark theme */
html[data-theme="dark"] .h2-act{--h2-ink:#ECEDF1;--h2-mute:#A7ABB8;--h2-quiet:#7C8190;--h2-card:#161A24;--h2-chip:#1F2430;--h2-line:rgba(140,120,255,.22)}
html[data-theme="dark"] .pm-view{background:linear-gradient(180deg,#1B2030,#171B26 58%,#12151E)}html[data-theme="dark"] .pm-views{background:rgba(22,26,36,.85)}html[data-theme="dark"] .pm-chips span{color:#D8DAE3}html[data-theme="dark"] .h2-dots{stroke:rgba(236,237,241,.18)}html[data-theme="dark"] .h2-mk text{stroke:#161A24}html[data-theme="dark"] .h2-btn.g{background:#1F2430;color:#ECEDF1}html[data-theme="dark"] .pm-tile i{background:#1F2430}
@media (max-width:860px){.h2-head,.pm-stage,.h2-cases,.h2-openrow,.h2-contactrow{grid-template-columns:1fr}.pm-view{min-height:420px;padding:28px 20px 64px}.pm-pic{height:300px}.pm-info{border-left:0;border-top:1px solid rgba(110,68,255,.08);padding:28px 22px}.pm-rail{grid-template-columns:repeat(2,1fr)}.pm-tile small{display:none}.h2-figs{grid-template-columns:repeat(2,1fr)}.h2-flow{grid-template-columns:1fr;gap:10px}.h2-flow i{display:none}.h2-tools{grid-template-columns:1fr 1fr}.h2-act{padding:64px 0}}
@media (prefers-reduced-motion:reduce){.pm-obj{animation:none;transition:none}.pm-tile.on .pm-pg{animation:none;width:100%}.h2-mk .ring{animation:none;opacity:0}}

/* 2026-10-21 · the vision as the homepage's headline: 万物智联 睿智通透 — a quiet kicker, a two-part display headline in the brand gradient
   (a slow flow through the letters), then the positioning line and the lead */
.h2-hero .h2-vk{margin:0 0 16px;font:600 13px/1.3 var(--sans,system-ui,sans-serif);letter-spacing:.3em;color:#6B6E7A}
header.hero .h2-hero h1.h2-vision{margin:0;display:flex;flex-wrap:wrap;column-gap:.42em;row-gap:0;font-family:"Noto Serif SC","Songti SC","Newsreader",Georgia,serif;font-weight:700;font-size:clamp(46px,6.3vw,98px)!important;line-height:1.08!important;letter-spacing:.06em}
header.hero .h2-hero h1.h2-vision span{display:block;color:var(--h2-ink,#1D1F24)}      /* 2026-10-21: charcoal — steady and solid, letting the colours around it stand out */

@keyframes h2vis{to{background-position:100% 0}}
html:not([lang^="zh"]):not([lang^="ja"]):not([lang^="ko"]) header.hero .h2-hero h1.h2-vision{font-family:"Newsreader","Noto Serif SC",Georgia,serif;font-size:clamp(38px,4.7vw,74px)!important;line-height:1.06!important;letter-spacing:-.012em;column-gap:.3em}
.h2-hero .h2-pos{margin:24px 0 0;font:600 clamp(18px,1.55vw,23px)/1.45 var(--sans,system-ui,sans-serif);color:var(--ink,#1B1C1A)}
.h2-hero .h2-pos+.lead{margin-top:8px}
html[data-theme="dark"] .h2-hero .h2-vk{color:#A7ABB8}html[data-theme="dark"] .h2-hero .h2-pos{color:#F2F3F7}

@media (max-width:640px){.h2-hero .h2-vk{margin-bottom:12px;letter-spacing:.24em}.h2-hero .h2-pos{margin-top:18px}}

/* 2026-10-21 · a partner's product says so under its name: HN-X1 is 清澜技术's device (QLanradar) */
.sc-partner{display:inline-flex;align-self:flex-start;justify-self:start;width:max-content;max-width:100%;align-items:center;gap:6px;margin:10px 0 2px;padding:4px 12px;border-radius:999px;font:600 12.5px/1.4 var(--sans,system-ui,sans-serif);letter-spacing:.02em;color:#4A3DC9;background:rgba(78,82,242,.07);box-shadow:inset 0 0 0 1px rgba(78,82,242,.24)}
.sc-partner::before{content:"";width:6px;height:6px;border-radius:50%;background:linear-gradient(120deg,#4E52F2,#22B8CF)}
.sc-partner[hidden]{display:none}
html[data-theme="dark"] .sc-partner{color:#B9BCFF;background:rgba(120,124,255,.12);box-shadow:inset 0 0 0 1px rgba(150,154,255,.3)}
/* phones: the longer Latin vision breaks at its commas, in balanced lines */
header.hero .h2-hero h1.h2-vision span{text-wrap:balance}
@media (max-width:640px){html:not([lang^="zh"]):not([lang^="ja"]):not([lang^="ko"]) header.hero .h2-hero h1.h2-vision{font-size:clamp(28px,8.2vw,34px)!important;line-height:1.1!important}}

/* 2026-10-21 · the top row's focus is the language choice: the sales button is gone, and the language pill takes its weight —
   larger, a thicker brand-gradient ring with a soft glow, the globe in brand colour, the language name in gradient text */
nav .nav-r details.lang-m>summary{height:44px!important;padding:0 18px 0 15px!important;gap:9px!important;font-size:15px!important;border-width:2px!important;box-shadow:0 10px 28px -14px rgba(78,82,242,.85),0 0 0 4px rgba(78,82,242,.07)!important}
nav .nav-r details.lang-m>summary:hover{box-shadow:0 12px 30px -12px rgba(78,82,242,.95),0 0 0 5px rgba(78,82,242,.1)!important}
nav .nav-r details.lang-m>summary>svg:first-child{color:#4E52F2;width:19px!important;height:19px!important}
nav .nav-r details.lang-m>summary .t,nav .nav-r details.lang-m>summary .lc{background:linear-gradient(100deg,#4E52F2,#7A3CF0);-webkit-background-clip:text;background-clip:text;color:transparent}
html[data-theme="dark"] nav .nav-r details.lang-m>summary>svg:first-child{color:#B9BCFF}
html[data-theme="dark"] nav .nav-r details.lang-m>summary .t,html[data-theme="dark"] nav .nav-r details.lang-m>summary .lc{background:linear-gradient(100deg,#C9CBFF,#E2CCFF);-webkit-background-clip:text;background-clip:text}
@media (max-width:640px){nav .nav-r details.lang-m>summary{height:40px!important;padding:0 13px 0 12px!important;font-size:14px!important}}

html[data-theme="dark"] header.hero .h2-hero h1.h2-vision span{color:#ECEEF3}

/* 2026-10-21 · the film's chapter title: an unscoped call-screen rule (.h3-cap{max-width:330px}) squeezed it into narrow lines with orphans
   ("接管方向 / 盘"); on the homepage the caption keeps its place at the bottom left, a little wider, with balanced lines */
.h3-stage .h3-cap{max-width:440px!important}
.h3-stage .h3-cap .t{text-wrap:balance}
html:not([lang^="zh"]):not([lang="ja"]):not([lang="ko"]) .h3-stage .h3-cap .t{font-size:clamp(18px,1.85vw,25px)}

/* 2026-10-21 · a compact first screen: the vision, the line under it and the whole Band Atlas stage (with its call to action) fit on a laptop screen */
header.hero.hn-spot-hero{padding-top:30px!important;padding-bottom:18px!important}
header.hero.hn-spot-hero .h2-hero h1.h2-vision{font-size:clamp(40px,5.2vw,72px)!important}
html:not([lang^="zh"]) header.hero.hn-spot-hero .h2-hero h1.h2-vision{font-size:clamp(32px,4.05vw,56px)!important}
header.hero.hn-spot-hero .h2-hero .h2-pos{margin-top:10px!important}
header.hero.hn-spot-hero .h2-hero .lead{margin-top:6px!important}
@media (min-width:761px) and (max-height:820px){header.hero.hn-spot-hero .h2-hero .lead{display:none!important}}