:root{
  /* ===== Deep Clean Water: richer teal, stepped light layers, deep anchor sections ===== */
  --ink:#0A2A33;        /* deep teal-slate: body text + dark content sections (specs/apps) bg */
  --ink-2:#0E3742;
  --deep:#072530;       /* deeper ocean teal: cta bg / device panel base */
  --deep-2:#0C3A46;     /* card-on-dark bg (app cards) */
  --paper:#E6F0F2;      /* page bg + highlights section (light cool tint) */
  --surface:#FFFFFF;
  --surface-2:#DAE9ED;  /* alternating tint — clearly stepped from white */
  --aqua:#0B7C93;       /* primary teal accent — deeper & richer */
  --aqua-2:#1FA3BA;     /* bright cyan: on-dark accent / gradient light end */
  --aqua-ink:#095E6E;   /* dark teal for small text on light */
  --mint:#1BB894;       /* eco hint (used sparingly) */
  --amber:#E7A93C;      /* warm complement: value highlight on hover */
  --amber-2:#F3C066;
  --amber-dk:#A9761E;
  --line:#C3D9DF;       /* crisper light border */
  --line-2:#D6E5E9;
  --line-dk:rgba(255,255,255,.15);
  --line-dk-2:rgba(255,255,255,.08);
  --muted:#4C6771;      /* deeper secondary text on light */
  --muted-dk:#8FB2BC;   /* secondary text on dark */
  --shadow-rest:0 1px 3px rgba(8,38,48,.06);
  --shadow-hover:0 20px 40px -20px rgba(8,38,48,.5);
  --display:'Space Grotesk','Noto Sans SC',-apple-system,BlinkMacSystemFont,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --cjk:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--cjk);background:var(--paper);color:var(--ink);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;line-height:1.6;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.12;letter-spacing:-.01em}
p{margin:0}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 28px}
.section{padding:110px 0}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--aqua);font-weight:600;display:inline-flex;align-items:center;gap:10px;margin-bottom:22px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--aqua);opacity:.85}
.eyebrow.on-dark{color:var(--aqua-2)}
.eyebrow.on-dark::before{background:var(--aqua-2)}
.sec-head{max-width:780px;margin-bottom:56px}
.sec-title{font-size:clamp(28px,4.4vw,46px);letter-spacing:-.02em;color:var(--ink)}
.sec-sub{color:var(--muted);font-size:16.5px;margin-top:20px;max-width:620px}

.sym{font-family:var(--display);font-weight:600;line-height:1;letter-spacing:-.02em;font-feature-settings:"tnum" 1}

/* nav (light, frosted) */
.nav{position:sticky;top:0;z-index:50;background:rgba(230,240,242,.85);backdrop-filter:saturate(140%) blur(14px);-webkit-backdrop-filter:saturate(140%) blur(14px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand .mark{width:30px;height:30px;flex:0 0 auto}
.brand b{font-family:var(--display);font-weight:600;font-size:16px;letter-spacing:.02em;color:var(--ink)}
.brand span{font-size:12px;color:var(--muted);border-left:1px solid var(--line);padding-left:12px;margin-left:2px}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:14px;color:var(--muted);transition:color .2s}
.nav-links a:hover{color:var(--aqua)}
.nav-cta{font-family:var(--mono);font-size:13px;letter-spacing:.02em;color:#fff;background:var(--aqua);padding:9px 16px;border-radius:3px;font-weight:600;transition:background .2s,transform .2s}
.nav-cta:hover{background:var(--aqua-ink);transform:translateY(-1px)}

/* hero (light, richer) */
.hero{position:relative;background:linear-gradient(180deg,#E1EFF2 0%,var(--paper) 72%);color:var(--ink);overflow:hidden;padding:96px 0 76px}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 500px at 80% 4%,rgba(11,124,147,.18),transparent 60%),radial-gradient(560px 520px at 2% 98%,rgba(27,184,148,.12),transparent 62%);pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;opacity:.65;pointer-events:none;background-image:linear-gradient(rgba(10,42,51,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(10,42,51,.06) 1px,transparent 1px);background-size:64px 64px;-webkit-mask-image:radial-gradient(140% 120% at 50% 0%,#000 30%,transparent 78%);mask-image:radial-gradient(140% 120% at 50% 0%,#000 30%,transparent 78%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.55fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(38px,6.2vw,72px);letter-spacing:-.03em;margin:24px 0 26px;color:var(--ink)}
.hero h1 .accent{color:var(--aqua)}
.hero-sub{font-size:clamp(16px,1.7vw,19px);color:var(--muted);max-width:540px;line-height:1.65}
.facts{display:flex;flex-wrap:wrap;gap:0;margin-top:38px;border-top:1px solid var(--line)}
.fact{font-family:var(--mono);font-size:13px;color:var(--ink);padding:16px 22px 0 0;margin-right:22px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:4px}
.fact:last-child{border-right:0}
.fact b{color:var(--aqua);font-weight:600;font-size:17px}
.fact small{color:var(--muted);font-size:11px;letter-spacing:.04em}
.schematic{justify-self:center;width:100%;max-width:320px}
.schematic svg{width:100%;height:auto;display:block}

/* preset index strip */
.index-strip{position:relative;margin-top:64px;border-top:1px solid var(--line);padding-top:26px}
.index-strip .label{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.preset-row{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.itile{border:1px solid var(--line);border-radius:3px;padding:16px 12px 13px;text-align:left;background:var(--surface);box-shadow:var(--shadow-rest);transition:border-color .25s,background .25s,transform .25s,box-shadow .25s}
.itile:hover{border-color:rgba(11,124,147,.6);background:#F3FAFB;transform:translateY(-3px);box-shadow:0 14px 26px -16px rgba(8,38,48,.35)}
.itile .sym{font-size:22px;color:var(--ink);display:block}
.itile em{display:block;margin-top:8px;font-style:normal;font-size:12px;color:var(--muted)}

/* capabilities (light) */
.caps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:6px;overflow:hidden;box-shadow:var(--shadow-rest)}
.cap{background:var(--surface);padding:34px 30px 32px;transition:background .25s}
.cap:hover{background:#F3FAFB}
.cap .ic{width:30px;height:30px;color:var(--aqua);margin-bottom:16px}
.cap h3{font-size:19px;margin:0 0 10px;letter-spacing:-.01em;color:var(--ink)}
.cap p{font-size:14.5px;color:var(--muted);line-height:1.62}
.cap .hl{color:var(--aqua);font-weight:600}

/* spec section (DEEP anchor) */
.specsec{background:var(--ink);color:#DCEAEC}
.specsec .eyebrow{color:var(--aqua-2)}
.specsec .eyebrow::before{background:var(--aqua-2)}
.specsec .sec-title{color:#F2FAFB}
.specsec .sec-sub{color:#A7C6CD}
.spec-wrap{border:1px solid var(--line-dk);border-radius:10px;overflow:hidden;background:rgba(255,255,255,.025)}
.spec-row{display:grid;grid-template-columns:1fr 1fr}
.spec-row:not(:last-child){border-bottom:1px solid var(--line-dk-2)}
.spec-cell{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:17px 26px}
.spec-cell:first-child{border-right:1px solid var(--line-dk-2)}
.spec-cell .k{color:var(--muted-dk);font-size:13.5px}
.spec-cell .v{font-family:var(--mono);color:#E1F0EC;font-size:13px;text-align:right}

/* configs (light, tabbed) */
.configs{background:var(--surface)}
.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.tab{font-family:var(--mono);border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:8px;padding:11px 18px;cursor:pointer;transition:all .2s;display:flex;flex-direction:column;align-items:flex-start;gap:3px;min-width:120px;box-shadow:var(--shadow-rest)}
.tab b{color:var(--ink);font-family:var(--display);font-weight:600;font-size:15px;letter-spacing:.01em}
.tab span{font-size:11.5px}
.tab:hover{border-color:rgba(11,124,147,.55);transform:translateY(-2px)}
.tab[aria-selected="true"]{background:var(--ink);border-color:var(--ink)}
.tab[aria-selected="true"] b{color:#fff}
.tab[aria-selected="true"] span{color:var(--muted-dk)}
.cpanels{margin-top:38px}
.cpanel{display:none}
.cpanel.active{display:block;animation:fade .35s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.cpanel-head{display:flex;align-items:baseline;gap:14px;margin-bottom:22px;flex-wrap:wrap}
.cpanel-head .m{font-family:var(--display);font-weight:600;font-size:22px;color:var(--ink);letter-spacing:.01em}
.cpanel-head .s{color:var(--muted);font-size:15px}
.cpanel-head .tag{font-family:var(--mono);font-size:11px;color:var(--aqua);border:1px solid rgba(11,124,147,.4);border-radius:100px;padding:3px 10px;background:rgba(11,124,147,.07)}
.pgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:6px;padding:18px 16px;box-shadow:var(--shadow-rest);transition:border-color .25s,transform .25s,box-shadow .25s}
.pcard:hover{border-color:rgba(11,124,147,.55);transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.pcard .psym{font-family:var(--display);font-weight:600;font-size:26px;color:var(--aqua);letter-spacing:-.02em}
.pcard h4{font-size:14.5px;margin:11px 0 12px;font-weight:500;letter-spacing:0;color:var(--ink)}
.pcard .prow{display:flex;justify-content:space-between;gap:8px;font-family:var(--mono);font-size:11.5px;padding:6px 0;border-top:1px solid var(--line-2)}
.pcard .prow .pk{color:var(--muted)}
.pcard .prow .pv{color:var(--ink);text-align:right}
.pcard:hover .prow .pv{color:var(--amber-dk)}

/* sensor matrix (light, on tint) */
.matrix{background:var(--surface-2);color:var(--ink)}
.matrix .eyebrow{color:var(--aqua)}
.matrix .sec-title{color:var(--ink)}
.matrix .sec-sub{color:var(--muted)}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.chip{font-family:var(--mono);font-size:13px;letter-spacing:.02em;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:100px;padding:9px 18px;cursor:pointer;transition:all .2s}
.chip .c{color:var(--muted);margin-left:6px;opacity:.7}
.chip:hover{border-color:rgba(11,124,147,.55);color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--aqua);border-color:var(--aqua);color:#fff;font-weight:600}
.chip[aria-pressed="true"] .c{color:rgba(255,255,255,.75)}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px}
.card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:22px 22px 20px;box-shadow:var(--shadow-rest);transition:transform .3s cubic-bezier(.2,.7,.3,1),border-color .3s,background .3s,box-shadow .3s}
.card::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:2px;border-radius:2px;background:var(--aqua);transform:scaleY(0);transform-origin:top;transition:transform .3s}
.card:hover{transform:translateY(-4px);border-color:rgba(11,124,147,.55);background:#fff;box-shadow:var(--shadow-hover)}
.card:hover::before{transform:scaleY(1)}
.card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.card-sym{font-size:34px;color:var(--aqua);letter-spacing:-.03em}
.method{font-family:var(--mono);font-size:10.5px;color:var(--muted);text-align:right;max-width:120px;line-height:1.4;padding-top:6px}
.card h3{font-size:17px;margin:16px 0 2px;color:var(--ink);letter-spacing:0}
.card .en{font-family:var(--display);font-size:12px;color:var(--muted);font-weight:400;letter-spacing:.01em}
.specs{margin:16px 0 14px;border-top:1px solid var(--line-2);padding-top:12px;display:grid;gap:7px}
.spec{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.spec .k{font-size:12px;color:var(--muted)}
.spec .v{font-family:var(--mono);font-size:12.5px;color:var(--ink);text-align:right;transition:color .25s}
.card:hover .spec .v{color:var(--amber-dk)}
.card .foot{font-family:var(--mono);font-size:10.5px;color:var(--muted);letter-spacing:.02em;line-height:1.5;border-top:1px solid var(--line-2);padding-top:11px}
.card.hide{display:none}

/* ion series (light) */
.ion{background:var(--surface)}
.ion-note{display:flex;flex-wrap:wrap;gap:14px 26px;margin:34px 0 8px;padding:18px 22px;background:var(--surface-2);border:1px solid var(--line);border-radius:6px;font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.ion-note span{display:inline-flex;align-items:center;gap:8px}
.ion-note span::before{content:"";width:5px;height:5px;background:var(--amber);border-radius:50%}
.ion-note b{color:var(--ink);font-weight:500}
.ion-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:26px}
.ioncard{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:18px 18px 16px;box-shadow:var(--shadow-rest);transition:border-color .25s,transform .25s,box-shadow .25s}
.ioncard:hover{border-color:rgba(11,124,147,.6);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.ion-top{display:flex;align-items:baseline;justify-content:space-between}
.ion-sym{font-family:var(--display);font-weight:600;font-size:24px;color:var(--aqua);letter-spacing:-.02em}
.ion-sym sub,.ion-sym sup{font-size:13px}
.ion-model{font-family:var(--mono);font-size:11px;color:var(--muted)}
.ioncard h3{font-size:15px;margin:12px 0 8px;font-weight:500;color:var(--ink)}
.ion-range{font-family:var(--mono);font-size:12.5px;color:var(--ink);padding-top:10px;border-top:1px solid var(--line-2)}
.ion-range small{color:var(--muted);display:block;font-size:10.5px;margin-top:3px}

/* applications (DEEP anchor) */
.apps{background:var(--ink);color:#DCEAEC}
.apps .eyebrow{color:var(--aqua-2)}
.apps .eyebrow::before{background:var(--aqua-2)}
.apps .sec-title{color:#F2FAFB}
.apps .sec-sub{color:#A7C6CD}
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-dk);border:1px solid var(--line-dk);border-radius:6px;overflow:hidden;margin-top:8px}
.app{background:var(--deep-2);padding:28px 26px;display:flex;align-items:center;gap:16px;transition:background .25s}
.app:hover{background:#0F4553}
.app .ic{width:26px;height:26px;color:var(--aqua-2);flex:0 0 auto}
.app b{font-size:16px;font-weight:500;color:#EAF3F0;letter-spacing:.01em}
.app small{display:block;font-family:var(--mono);font-size:11px;color:var(--muted-dk);margin-top:3px;letter-spacing:.02em}

/* cta (deep) */
.cta{background:var(--deep);color:#DCEAEC;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(620px 420px at 82% 20%,rgba(11,124,147,.22),transparent 60%);pointer-events:none}
.cta-in{position:relative;display:grid;grid-template-columns:1.3fr 1fr;gap:56px;align-items:center}
.cta h2{font-size:clamp(28px,4vw,42px);color:#F2FAFB;letter-spacing:-.02em;line-height:1.15}
.cta p{color:#AAC8CE;margin-top:18px;font-size:16px;max-width:460px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.btn{font-family:var(--mono);font-size:14px;letter-spacing:.02em;padding:14px 24px;border-radius:3px;display:inline-flex;align-items:center;gap:10px;transition:transform .2s,background .2s,border-color .2s}
.btn-primary{background:var(--aqua);color:#fff;font-weight:600}
.btn-primary:hover{background:var(--aqua-2);color:var(--deep);transform:translateY(-2px)}
.btn-ghost{border:1px solid var(--line-dk);color:#DCEAEC}
.btn-ghost:hover{border-color:rgba(31,163,186,.6);transform:translateY(-2px)}
.contact{border:1px solid var(--line-dk);border-radius:8px;padding:8px 26px;background:rgba(255,255,255,.03)}
.crow{display:flex;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid var(--line-dk-2)}
.crow:last-child{border-bottom:0}
.crow .ic{width:20px;height:20px;color:var(--aqua-2);flex:0 0 auto}
.crow .ck{font-family:var(--mono);font-size:11px;color:var(--muted-dk);letter-spacing:.14em;text-transform:uppercase;width:56px;flex:0 0 auto}
.crow .cv{font-size:14.5px;color:#E4F1F3}

/* footer (deepest) */
.footer{background:#05202A;color:#8FB4BC;padding:56px 0 40px;border-top:1px solid var(--line-dk-2)}
.foot-top{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;flex-wrap:wrap}
.foot-brand b{font-family:var(--display);font-size:18px;color:#E7F3F5;font-weight:600;letter-spacing:.02em}
.foot-brand div{font-size:13px;margin-top:8px;color:var(--muted-dk)}
.foot-tags{font-family:var(--mono);font-size:12px;color:var(--muted-dk);text-align:right;line-height:2;letter-spacing:.04em}
.foot-tags span{color:var(--aqua-2)}
.foot-bottom{margin-top:40px;padding-top:22px;border-top:1px solid var(--line-dk-2);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#6E9098}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
.stagger>*{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1)}
.stagger.in>*{opacity:1;transform:none}
.stagger.in>*:nth-child(1){transition-delay:.02s}
.stagger.in>*:nth-child(2){transition-delay:.06s}
.stagger.in>*:nth-child(3){transition-delay:.10s}
.stagger.in>*:nth-child(4){transition-delay:.14s}
.stagger.in>*:nth-child(5){transition-delay:.18s}
.stagger.in>*:nth-child(6){transition-delay:.22s}
.stagger.in>*:nth-child(7){transition-delay:.26s}
.stagger.in>*:nth-child(8){transition-delay:.30s}
.stagger.in>*:nth-child(9){transition-delay:.34s}
.stagger.in>*:nth-child(10){transition-delay:.38s}
.stagger.in>*:nth-child(11){transition-delay:.42s}
.stagger.in>*:nth-child(12){transition-delay:.46s}

/* responsive */
@media (max-width:1080px){.grid,.ion-grid{grid-template-columns:repeat(3,1fr)}.pgrid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:900px){
  .section{padding:78px 0}
  .hero-grid{grid-template-columns:1fr;gap:8px}
  .schematic{display:none}
  .caps,.app-grid{grid-template-columns:repeat(2,1fr)}
  .cta-in{grid-template-columns:1fr;gap:38px}
  .nav-links{display:none}
  .preset-row{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:680px){
  .container{padding:0 20px}
  .grid,.ion-grid,.pgrid{grid-template-columns:repeat(2,1fr);gap:12px}
  .caps,.app-grid{grid-template-columns:1fr}
  .foot-tags{text-align:left}
  .preset-row{grid-template-columns:repeat(2,1fr)}
  .brand span{display:none}
  .fact{padding-right:16px;margin-right:16px}
  .spec-row{grid-template-columns:1fr}
  .spec-cell:first-child{border-right:0;border-bottom:1px solid var(--line-dk-2)}
}
@media (max-width:460px){
  .grid,.ion-grid,.pgrid,.preset-row{grid-template-columns:repeat(2,1fr)}
  .card-sym{font-size:30px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal,.stagger>*{opacity:1!important;transform:none!important;transition:none!important}
  .cpanel.active{animation:none}
  *{scroll-behavior:auto}
}

/* product photo placeholder (light) */
.photo-slot{position:relative;width:100%;max-width:360px;aspect-ratio:4/5;margin:0;border-radius:16px;border:1px solid var(--line);background:linear-gradient(155deg,#FFFFFF,#DFECEF);overflow:hidden;box-shadow:0 26px 50px -28px rgba(8,38,48,.42)}
.photo-slot img{width:100%;height:100%;object-fit:cover;display:block}
.photo-ph{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:28px}
.photo-ph::before{content:"";position:absolute;inset:0;opacity:.6;background-image:linear-gradient(rgba(10,42,51,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(10,42,51,.06) 1px,transparent 1px);background-size:34px 34px;-webkit-mask-image:radial-gradient(120% 100% at 50% 40%,#000,transparent 75%);mask-image:radial-gradient(120% 100% at 50% 40%,#000,transparent 75%)}
.photo-slot .ph-ic{position:relative;width:54px;height:54px;color:var(--aqua)}
.ph-t{position:relative;font-family:var(--display);font-weight:600;font-size:16px;letter-spacing:.04em;color:var(--ink)}
.ph-s{position:relative;font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--muted)}
.ph-c{position:absolute;width:16px;height:16px;border:1.6px solid rgba(11,124,147,.55)}
.ph-c.tl{top:12px;left:12px;border-right:0;border-bottom:0}
.ph-c.tr{top:12px;right:12px;border-left:0;border-bottom:0}
.ph-c.bl{bottom:12px;left:12px;border-right:0;border-top:0}
.ph-c.br{bottom:12px;right:12px;border-left:0;border-top:0}

/* ============ LIVE MONITORING ============ */
.live{background:var(--surface);position:relative}
.live::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(560px 320px at 20% 32%,rgba(11,124,147,.06),transparent 60%)}
.live-in{position:relative;display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center}

/* device screen widget (dark panel on light section) */
.device{position:relative;width:100%;max-width:460px;justify-self:center}
.screen{margin:0;position:relative;border-radius:16px;padding:24px 24px 20px;color:#E7F3F5;overflow:hidden;
  background:linear-gradient(160deg,#0B3B49,#062730);border:1px solid var(--line-dk);
  box-shadow:0 36px 74px -30px rgba(6,34,44,.75),inset 0 1px 0 rgba(255,255,255,.05)}
.screen::after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(320px 180px at 82% -12%,rgba(31,163,186,.24),transparent 70%)}
.screen-bar{position:relative;display:flex;justify-content:space-between;align-items:center;padding-bottom:14px;margin-bottom:16px;border-bottom:1px solid var(--line-dk-2)}
.screen-title{font-size:14px;color:#D7E8EC;font-weight:500;letter-spacing:.01em}
.screen-live{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--aqua-2)}
.screen-live i{width:7px;height:7px;border-radius:50%;background:var(--aqua-2);box-shadow:0 0 0 0 rgba(31,163,186,.55);animation:blip 2s infinite}
@keyframes blip{0%{box-shadow:0 0 0 0 rgba(31,163,186,.5)}70%{box-shadow:0 0 0 7px rgba(31,163,186,0)}100%{box-shadow:0 0 0 0 rgba(31,163,186,0)}}
.screen-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:15px 20px}
.ro{position:relative}
.ro-k{display:block;font-size:11px;color:var(--muted-dk);margin-bottom:4px;letter-spacing:.02em}
.ro-k em{font-style:normal;font-family:var(--mono);opacity:.72;font-size:10px}
.ro-v{display:block;font-family:var(--mono);font-weight:500;font-size:26px;line-height:1.05;color:#F1FAFB;letter-spacing:.01em;font-feature-settings:"tnum" 1}
.ro-bar{display:block;height:3px;border-radius:2px;background:rgba(255,255,255,.1);margin-top:8px;overflow:hidden}
.ro-bar i{display:block;height:100%;width:60%;border-radius:2px;background:linear-gradient(90deg,var(--aqua),var(--aqua-2));transition:width 1.5s cubic-bezier(.4,0,.2,1)}
.screen-foot{position:relative;margin-top:18px;padding-top:13px;border-top:1px solid var(--line-dk-2);font-family:var(--mono);font-size:11px;color:var(--muted-dk);letter-spacing:.03em}
.screen-base{height:22px;margin:0 30px;border-radius:0 0 14px 14px;background:linear-gradient(180deg,#B7CAD0,#96AEB4);box-shadow:0 16px 30px -14px rgba(6,34,44,.45)}

.live-copy .sec-title{font-size:clamp(26px,3.4vw,38px)}
.live-points{list-style:none;margin:30px 0 0;padding:0;display:grid;gap:0}
.live-points li{display:flex;align-items:baseline;gap:14px;font-size:15px;color:var(--ink);padding:13px 0;border-top:1px solid var(--line-2)}
.live-points li:first-child{border-top:0;padding-top:0}
.live-points .lk{flex:0 0 auto;font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--aqua);border:1px solid rgba(11,124,147,.4);background:rgba(11,124,147,.07);border-radius:100px;padding:3px 11px}

/* ============ ACCESSORIES ============ */
.acc{background:var(--surface)}
.acc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:8px}
.acc-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:20px 20px 18px;box-shadow:var(--shadow-rest);transition:border-color .25s,transform .25s,box-shadow .25s}
.acc-card:hover{border-color:rgba(11,124,147,.55);transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.acc-tag{display:inline-block;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;color:var(--aqua);background:rgba(11,124,147,.08);border:1px solid rgba(11,124,147,.32);border-radius:100px;padding:3px 11px}
.acc-card .ic{display:block;width:30px;height:30px;color:var(--aqua);margin:16px 0 14px;transition:color .25s}
.acc-card:hover .ic{color:var(--aqua-ink)}
.acc-card h3{font-size:16px;margin:0 0 3px;font-weight:600;letter-spacing:0;color:var(--ink)}
.acc-card .en{font-family:var(--display);font-size:11.5px;color:var(--muted);font-weight:400;letter-spacing:.01em}
.acc-card p{font-size:13px;color:var(--muted);margin-top:13px;padding-top:13px;border-top:1px solid var(--line-2);line-height:1.55}

/* responsive for added modules */
@media (max-width:1080px){.acc-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:900px){
  .live-in{grid-template-columns:1fr;gap:38px}
  .device{order:-1;max-width:420px}
  .acc-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){.acc-grid{grid-template-columns:repeat(2,1fr);gap:12px}}
@media (max-width:460px){.acc-grid{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){.screen-live i{animation:none}.ro-bar i{transition:none}}

/* ===== 电话咨询弹窗（产品详情页复用） ===== */
.pc-call-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(10,28,36,.55);backdrop-filter:blur(4px);z-index:9999;display:none;align-items:center;justify-content:center;opacity:0;transition:opacity .2s}
.pc-call-modal.show{display:flex;opacity:1}
.pc-call-box{background:#fff;border-radius:16px;padding:32px 40px;text-align:center;max-width:340px;width:90%;box-shadow:0 24px 64px rgba(0,0,0,.18);transform:translateY(20px);transition:transform .25s}
.pc-call-modal.show .pc-call-box{transform:translateY(0)}
.pc-call-icon{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:var(--aqua);color:#fff;display:flex;align-items:center;justify-content:center}
.pc-call-icon svg{width:28px;height:28px}
.pc-call-title{font-size:16px;color:var(--muted);margin-bottom:8px}
.pc-call-phone{font-size:26px;font-weight:700;color:var(--ink);margin-bottom:24px;letter-spacing:.02em}
.pc-call-actions{display:flex;gap:12px;justify-content:center}
.pc-call-actions .btn{padding:10px 20px;border-radius:8px;font-size:14px;font-weight:600;border:none;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.pc-call-actions .btn-call{background:var(--aqua);color:#fff}
.pc-call-actions .btn-call:hover{background:var(--aqua-ink)}
.pc-call-actions .btn-close{background:var(--surface-2);color:var(--muted)}
.pc-call-actions .btn-close:hover{background:var(--line)}