*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#03050f;--surface:#080c1a;--surface2:#0d1225;
  --border:rgba(79,163,232,0.1);
  --blue:#4fa3e8;--cyan:#00d4ff;--violet:#7c6ff7;
  --white:#fff;--text:#c8d8f0;--muted:#4a5a78;
}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'DM Sans','Noto Sans SC',sans-serif;line-height:1.6;overflow-x:hidden}
body::before{content:'';position:fixed;inset:0;background-image:linear-gradient(rgba(79,163,232,0.025) 1px,transparent 1px),linear-gradient(90deg,rgba(79,163,232,0.025) 1px,transparent 1px);background-size:60px 60px;pointer-events:none;z-index:0}
.wrap{position:relative;z-index:1}

/* ── ANIMATIONS ── */
@keyframes blink{0%,100%{opacity:1}50%{opacity:0.15}}
@keyframes fadeUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}
@keyframes scaleIn{from{opacity:0;transform:scale(0.88)}to{opacity:1;transform:scale(1)}}
@keyframes spin-cw{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
@keyframes spin-ccw{from{transform:rotate(360deg)}to{transform:rotate(0deg)}}
@keyframes pulse-z{0%,100%{filter:brightness(1) drop-shadow(0 0 20px rgba(0,212,255,0.4))}50%{filter:brightness(1.4) drop-shadow(0 0 40px rgba(0,212,255,0.7))}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes orbitA{from{transform:rotate(0deg) translateX(60px) rotate(0deg)}to{transform:rotate(360deg) translateX(60px) rotate(-360deg)}}
@keyframes orbitB{from{transform:rotate(120deg) translateX(44px) rotate(-120deg)}to{transform:rotate(480deg) translateX(44px) rotate(-480deg)}}
@keyframes orbitC{from{transform:rotate(240deg) translateX(30px) rotate(-240deg)}to{transform:rotate(600deg) translateX(30px) rotate(-600deg)}}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes scan{0%{top:-2px}100%{top:100%}}

/* Original Zynex logo animations */
@keyframes ring-outer-spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
@keyframes ring-inner-spin{from{transform:rotate(360deg)}to{transform:rotate(0deg)}}
@keyframes node-orbit1{from{transform:rotate(0deg) translateX(40px) rotate(0deg)}to{transform:rotate(360deg) translateX(40px) rotate(-360deg)}}
@keyframes node-orbit2{from{transform:rotate(180deg) translateX(28px) rotate(-180deg)}to{transform:rotate(540deg) translateX(28px) rotate(-540deg)}}
@keyframes core-pulse{0%,100%{opacity:0.75;filter:brightness(1)}50%{opacity:1;filter:brightness(1.5)}}

.ring-outer{animation:ring-outer-spin 8s linear infinite;transform-origin:44px 44px}
.ring-inner{animation:ring-inner-spin 5s linear infinite;transform-origin:44px 44px}
.node-orbit{animation:node-orbit1 4s linear infinite;transform-origin:44px 44px}
.node-orbit2{animation:node-orbit2 3s linear infinite;transform-origin:44px 44px}
.core-pulse{animation:core-pulse 2.5s ease-in-out infinite}

/* Hero logo scaled versions */
.ring-a{animation:spin-cw 12s linear infinite;transform-origin:170px 170px}
.ring-b{animation:spin-ccw 8s linear infinite;transform-origin:170px 170px}
.ring-c{animation:spin-cw 5s linear infinite;transform-origin:170px 170px}
.dot-a{animation:orbitA 4s linear infinite;transform-origin:170px 170px}
.dot-b{animation:orbitB 3.2s linear infinite;transform-origin:170px 170px}
.dot-c{animation:orbitC 2.5s linear infinite;transform-origin:170px 170px}
.z-core{animation:pulse-z 3s ease-in-out infinite}

/* ── NAV ── */
nav{position:fixed;top:0;left:0;right:0;z-index:1000;display:flex;align-items:center;justify-content:space-between;padding:0 6%;height:68px;background:rgba(3,5,15,0.88);backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
.nav-logo{display:flex;align-items:center;gap:11px;text-decoration:none}
.nav-logo svg{width:34px;height:34px;filter:drop-shadow(0 0 10px rgba(0,212,255,0.4))}
.nav-en{font-family:'Outfit',sans-serif;font-size:20px;font-weight:900;letter-spacing:-0.8px;line-height:1;background:linear-gradient(120deg,#fff,var(--cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-zh{font-family:'Noto Serif SC',serif;font-size:10px;color:var(--cyan);opacity:.6;letter-spacing:3px}
.nav-links{display:flex;gap:34px;list-style:none}
.nav-links a{color:var(--text);text-decoration:none;font-size:13px;font-weight:500;transition:color .2s;position:relative}
.nav-links a::after{content:'';position:absolute;bottom:-3px;left:0;right:0;height:1px;background:var(--cyan);transform:scaleX(0);transition:transform .25s}
.nav-links a:hover{color:var(--white)}
.nav-links a:hover::after{transform:scaleX(1)}
.btn-nav{background:linear-gradient(135deg,var(--cyan),var(--blue));color:#000!important;font-weight:700!important;padding:8px 22px;border-radius:8px}
.btn-nav::after{display:none!important}
.hamburger{display:none;cursor:pointer;flex-direction:column;gap:5px}
.hamburger span{width:24px;height:2px;background:var(--text);border-radius:2px}

/* ── HERO ── */
#hero{min-height:100vh;display:flex;align-items:center;padding:100px 6% 80px;position:relative;overflow:hidden}
.glow-1{position:absolute;top:-120px;left:-120px;width:600px;height:600px;background:radial-gradient(ellipse,rgba(0,212,255,0.07) 0%,transparent 65%);pointer-events:none}
.glow-2{position:absolute;bottom:-120px;right:-120px;width:500px;height:500px;background:radial-gradient(ellipse,rgba(124,111,247,0.07) 0%,transparent 65%);pointer-events:none}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;max-width:1200px;margin:0 auto;width:100%}
.hero-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(0,212,255,0.25);border-radius:100px;padding:6px 16px;font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);margin-bottom:26px;animation:fadeUp .7s ease both}
.hero-badge::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:blink 1.5s infinite}
.hero-h1{font-family:'Outfit',sans-serif;font-size:clamp(38px,5vw,66px);font-weight:900;letter-spacing:-3px;line-height:1.02;color:var(--white);margin-bottom:14px;animation:fadeUp .7s .1s ease both;opacity:0;animation-fill-mode:forwards}
.hero-h1 .hl{background:linear-gradient(90deg,var(--cyan),var(--blue),var(--violet));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-zh{font-family:'Noto Serif SC',serif;font-size:15px;font-weight:700;color:var(--cyan);opacity:.65;letter-spacing:4px;margin-bottom:18px;animation:fadeUp .7s .18s ease both;opacity:0;animation-fill-mode:forwards}
.hero-desc{font-size:15px;color:var(--muted);max-width:460px;line-height:1.78;margin-bottom:34px;animation:fadeUp .7s .26s ease both;opacity:0;animation-fill-mode:forwards}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;animation:fadeUp .7s .34s ease both;opacity:0;animation-fill-mode:forwards}
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#000;font-weight:700;font-size:14px;padding:13px 26px;border-radius:10px;text-decoration:none;border:none;cursor:pointer;transition:opacity .2s,transform .2s}
.btn-primary:hover{opacity:.88;transform:translateY(-2px)}
.btn-outline{display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--text);font-weight:500;font-size:14px;padding:13px 26px;border-radius:10px;text-decoration:none;border:1px solid var(--border);cursor:pointer;transition:border-color .2s,color .2s,transform .2s}
.btn-outline:hover{border-color:var(--cyan);color:var(--white);transform:translateY(-2px)}
.hero-stats{display:flex;gap:30px;margin-top:44px;animation:fadeUp .7s .42s ease both;opacity:0;animation-fill-mode:forwards}
.stat-num{font-family:'Outfit',sans-serif;font-size:28px;font-weight:900;color:var(--white);letter-spacing:-1px}
.stat-num em{color:var(--cyan);font-style:normal}
.stat-label{font-size:12px;color:var(--muted)}
.hero-visual{display:flex;align-items:center;justify-content:center;animation:scaleIn .9s .3s ease both;opacity:0;animation-fill-mode:forwards}
.logo-big-wrap{position:relative;width:320px;height:360px;display:flex;align-items:center;justify-content:center;flex-direction:column;animation:float 6s ease-in-out infinite}
.logo-big-wrap svg{width:280px;height:280px;filter:drop-shadow(0 0 40px rgba(0,212,255,0.3)) drop-shadow(0 0 80px rgba(124,111,247,0.12))}
.logo-big-name{text-align:center;margin-top:8px}
.lbn-en{font-family:'Outfit',sans-serif;font-size:40px;font-weight:900;letter-spacing:-2px;background:linear-gradient(120deg,#fff,var(--cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.lbn-zh{font-family:'Noto Serif SC',serif;font-size:13px;color:var(--cyan);opacity:.6;letter-spacing:5px}

/* ── TICKER ── */
.ticker-wrap{padding:36px 0;overflow:hidden;background:var(--surface2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.ticker-track{display:flex;gap:0;animation:ticker 28s linear infinite;width:max-content}
.ticker-item{display:flex;align-items:center;gap:10px;padding:0 32px;white-space:nowrap;font-size:13px;font-weight:500;color:var(--muted);letter-spacing:.04em}
.tdot{width:4px;height:4px;border-radius:50%;background:var(--cyan);flex-shrink:0}

/* ── SECTIONS ── */
section{padding:96px 6%}
.sec-inner{max-width:1200px;margin:0 auto}
.sec-hd{text-align:center;margin-bottom:56px}
.sec-eye{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);margin-bottom:12px}
.sec-title{font-family:'Outfit',sans-serif;font-size:clamp(26px,3.5vw,44px);font-weight:900;letter-spacing:-1.5px;color:var(--white);line-height:1.08;margin-bottom:12px}
.sec-title .hl{color:var(--cyan)}
.sec-sub{font-size:15px;color:var(--muted);max-width:500px;margin:0 auto;line-height:1.72}

/* ── SERVICES ── */
#services{background:var(--surface)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.svc-card{background:var(--bg);border:1px solid var(--border);border-radius:20px;padding:30px 26px;transition:border-color .3s,transform .3s,box-shadow .3s;position:relative;overflow:hidden}
.svc-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--cyan),var(--violet));transform:scaleX(0);transform-origin:left;transition:transform .35s}
.svc-card:hover{border-color:rgba(0,212,255,0.25);transform:translateY(-4px);box-shadow:0 20px 60px rgba(0,0,0,0.4)}
.svc-card:hover::before{transform:scaleX(1)}
.svc-icon{width:50px;height:50px;border-radius:13px;background:rgba(0,212,255,0.08);border:1px solid rgba(0,212,255,0.14);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px}
.svc-t{font-family:'Outfit',sans-serif;font-size:16px;font-weight:700;color:var(--white);margin-bottom:3px;letter-spacing:-.3px}
.svc-tz{font-family:'Noto Sans SC',sans-serif;font-size:11px;color:var(--cyan);opacity:.55;letter-spacing:.1em;margin-bottom:11px}
.svc-d{font-size:13px;color:var(--muted);line-height:1.66}

/* ── PRODUCTS ── */
#products{}
.prd-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.prd-card{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:30px 26px;transition:border-color .3s,transform .3s;position:relative;overflow:hidden}
.prd-card:hover{transform:translateY(-4px)}
.prd-tag{display:inline-block;font-size:9px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;padding:4px 10px;border-radius:100px;margin-bottom:14px}
.prd-name{font-family:'Outfit',sans-serif;font-size:26px;font-weight:900;letter-spacing:-1px;color:var(--white);margin-bottom:3px}
.prd-zh{font-family:'Noto Serif SC',serif;font-size:12px;color:var(--cyan);letter-spacing:3px;opacity:.6;margin-bottom:12px}
.prd-desc{font-size:13px;color:var(--muted);line-height:1.66;margin-bottom:18px}
.prd-feat{list-style:none;display:flex;flex-direction:column;gap:7px}
.prd-feat li{display:flex;align-items:center;gap:8px;font-size:12px;color:rgba(255,255,255,.45)}
.prd-feat li::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--cyan);flex-shrink:0}
/* card themes */
.c-vel{background:linear-gradient(135deg,rgba(37,211,102,.05),var(--surface));border-color:rgba(37,211,102,.12)}
.c-vel:hover{border-color:rgba(37,211,102,.25)}
.c-fin{background:linear-gradient(135deg,rgba(52,152,219,.05),var(--surface));border-color:rgba(52,152,219,.12)}
.c-fin:hover{border-color:rgba(52,152,219,.25)}
.c-eat{background:linear-gradient(135deg,rgba(231,76,60,.05),var(--surface));border-color:rgba(231,76,60,.12)}
.c-eat:hover{border-color:rgba(231,76,60,.25)}
.c-prk{background:linear-gradient(135deg,rgba(241,196,15,.05),var(--surface));border-color:rgba(241,196,15,.12)}
.c-prk:hover{border-color:rgba(241,196,15,.25)}
.c-cms{background:linear-gradient(135deg,rgba(124,111,247,.05),var(--surface));border-color:rgba(124,111,247,.12)}
.c-cms:hover{border-color:rgba(124,111,247,.25)}
.c-cld{background:linear-gradient(135deg,rgba(0,212,255,.05),var(--surface));border-color:rgba(0,212,255,.12)}
.c-cld:hover{border-color:rgba(0,212,255,.25)}
.tg{background:rgba(37,211,102,.12);color:#4ade80}
.tb{background:rgba(52,152,219,.12);color:#74b9e8}
.tr{background:rgba(231,76,60,.12);color:#f97070}
.ty{background:rgba(241,196,15,.12);color:#f0cc7a}
.tv{background:rgba(124,111,247,.12);color:#a89af7}
.tc{background:rgba(0,212,255,.1);color:var(--cyan)}

/* ── WHY ── */
#why{background:var(--surface)}
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.why-pts{display:flex;flex-direction:column;gap:22px;margin-top:32px}
.why-pt{display:flex;gap:16px;align-items:flex-start}
.why-ico{width:44px;height:44px;border-radius:12px;flex-shrink:0;background:rgba(0,212,255,.08);border:1px solid rgba(0,212,255,.14);display:flex;align-items:center;justify-content:center;font-size:18px}
.why-ct h4{font-family:'Outfit',sans-serif;font-size:15px;font-weight:700;color:var(--white);margin-bottom:3px}
.why-ct p{font-size:13px;color:var(--muted);line-height:1.62}
.metrics{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.metric{background:var(--bg);border:1px solid var(--border);border-radius:18px;padding:28px 20px;text-align:center;transition:border-color .3s}
.metric:hover{border-color:rgba(0,212,255,.25)}
.metric-n{font-family:'Outfit',sans-serif;font-size:46px;font-weight:900;color:var(--cyan);letter-spacing:-2px;line-height:1;margin-bottom:5px}
.metric-n em{font-size:26px;color:var(--violet);font-style:normal}
.metric-l{font-size:12px;color:var(--muted);line-height:1.4}

/* ── ABOUT ── */
#about{}
.abt-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.abt-vis{background:var(--surface);border:1px solid var(--border);border-radius:24px;padding:36px;position:relative;overflow:hidden}
.abt-vis::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),transparent)}
.abt-logo{text-align:center;margin-bottom:28px}
.abt-logo .en{font-family:'Outfit',sans-serif;font-size:52px;font-weight:900;letter-spacing:-3px;background:linear-gradient(120deg,#fff,var(--cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.abt-logo .zh{font-family:'Noto Serif SC',serif;font-size:15px;color:var(--cyan);opacity:.6;letter-spacing:6px;display:block;margin-top:4px}
.abt-div{height:1px;background:var(--border);margin:20px 0}
.abt-vals{display:flex;flex-direction:column;gap:14px}
.abt-val{display:flex;gap:12px;align-items:flex-start}
.abt-val-ico{font-size:18px;margin-top:1px}
.abt-val-t{font-size:13px;color:var(--text)}
.abt-val-t strong{color:var(--white);display:block;font-size:14px;margin-bottom:1px}
.abt-txt h3{font-family:'Outfit',sans-serif;font-size:13px;font-weight:700;color:var(--cyan);letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px}
.abt-txt p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:16px}
.mission{background:var(--surface);border:1px solid rgba(0,212,255,.15);border-radius:14px;padding:22px 26px;margin-top:24px}
.mission .mlbl{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);font-weight:700;margin-bottom:8px}
.mission p{font-size:15px;color:var(--white);font-style:italic;line-height:1.55;margin:0}
.mission .mzh{font-family:'Noto Serif SC',serif;font-size:13px;color:var(--cyan);opacity:.55;letter-spacing:.08em;margin-top:5px;display:block}

/* ── CONTACT ── */
#contact{background:var(--surface)}
.ctc-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.ctc-info h3{font-family:'Outfit',sans-serif;font-size:30px;font-weight:900;letter-spacing:-1px;color:var(--white);margin-bottom:10px}
.ctc-info>p{font-size:14px;color:var(--muted);line-height:1.72;margin-bottom:28px}
.ctc-items{display:flex;flex-direction:column;gap:18px}
.ctc-item{display:flex;gap:14px;align-items:flex-start}
.ctc-ico{width:42px;height:42px;border-radius:11px;flex-shrink:0;background:rgba(0,212,255,.08);border:1px solid rgba(0,212,255,.14);display:flex;align-items:center;justify-content:center;font-size:17px}
.ctc-item label{font-size:10px;color:var(--muted);display:block;margin-bottom:2px;text-transform:uppercase;letter-spacing:.1em}
.ctc-item span{font-size:13px;color:var(--text)}
.ctc-form{background:var(--bg);border:1px solid var(--border);border-radius:22px;padding:34px}
.ctc-form h4{font-family:'Outfit',sans-serif;font-size:18px;font-weight:700;color:var(--white);margin-bottom:22px;letter-spacing:-.3px}
.fg{margin-bottom:16px}
.fg label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px;letter-spacing:.05em}
.fg input,.fg textarea,.fg select{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:9px;padding:11px 14px;font-size:13px;color:var(--text);font-family:'DM Sans',sans-serif;outline:none;transition:border-color .25s}
.fg input:focus,.fg textarea:focus,.fg select:focus{border-color:rgba(0,212,255,.4)}
.fg textarea{min-height:105px;resize:vertical}
.fg select option{background:var(--surface)}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* ── FOOTER ── */
footer{background:#020308;border-top:1px solid var(--border);padding:56px 6% 28px}
.ft-inner{max-width:1200px;margin:0 auto}
.ft-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:44px;margin-bottom:44px}
.ft-brand p{font-size:13px;color:var(--muted);line-height:1.7;max-width:270px;margin:14px 0 18px}
.ft-social{display:flex;gap:8px}
.soc{width:34px;height:34px;border-radius:8px;background:var(--surface);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:14px;text-decoration:none;transition:border-color .2s}
.soc:hover{border-color:var(--cyan)}
.ft-col h5{font-family:'Outfit',sans-serif;font-size:13px;font-weight:700;color:var(--white);margin-bottom:14px}
.ft-col ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.ft-col ul li a{font-size:13px;color:var(--muted);text-decoration:none;transition:color .2s}
.ft-col ul li a:hover{color:var(--text)}
.ft-bot{border-top:1px solid var(--border);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.ft-bot p{font-size:12px;color:var(--muted)}

/* ── REVEAL ── */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.vis{opacity:1;transform:translateY(0)}

/* ── MOBILE MENU ── */
.mob-menu{display:none;position:fixed;top:68px;left:0;right:0;z-index:999;background:rgba(3,5,15,.97);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);padding:22px 6%;flex-direction:column;gap:18px}
.mob-menu.open{display:flex}
.mob-menu a{color:var(--text);text-decoration:none;font-size:16px;font-weight:500}

/* ── RESPONSIVE ── */
@media(max-width:960px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-visual{order:-1}
  .hero-desc{margin:0 auto 32px}
  .hero-btns{justify-content:center}
  .hero-stats{justify-content:center}
  .logo-big-wrap{width:220px;height:270px}
  .logo-big-wrap svg{width:200px;height:200px}
  .svc-grid{grid-template-columns:1fr 1fr}
  .prd-grid{grid-template-columns:1fr 1fr}
  .why-grid,.abt-grid,.ctc-grid{grid-template-columns:1fr}
  .ft-top{grid-template-columns:1fr 1fr;gap:28px}
  .nav-links{display:none}
  .hamburger{display:flex}
}
@media(max-width:560px){
  .svc-grid,.prd-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr 1fr}
  .ft-top{grid-template-columns:1fr}
  .f2{grid-template-columns:1fr}
  section{padding:68px 5%}
}

/* ── CHATBOT ── */
@keyframes zx-pulse{0%,100%{box-shadow:0 0 0 0 rgba(74,222,128,0.5)}70%{box-shadow:0 0 0 6px rgba(74,222,128,0)}}
@keyframes zx-typing{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}
@keyframes zx-pop{from{opacity:0;transform:scale(0.88) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}

#zx-chat{position:fixed;bottom:28px;right:28px;z-index:9999;font-family:'DM Sans','Noto Sans SC',sans-serif}

/* Toggle button */
.zx-toggle{width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--blue));border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 24px rgba(0,212,255,0.45);transition:transform .2s,box-shadow .2s;position:relative;color:#000}
.zx-toggle:hover{transform:scale(1.08);box-shadow:0 6px 32px rgba(0,212,255,0.65)}
.zx-ico{display:block}
.zx-ico-close{display:none}
.zx-badge{position:absolute;top:-3px;right:-3px;width:18px;height:18px;border-radius:50%;background:#f97316;color:#fff;font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center;border:2px solid var(--bg)}

/* Chat window */
.zx-window{position:absolute;bottom:76px;right:0;width:360px;background:var(--surface);border:1px solid var(--border);border-radius:16px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 24px 64px rgba(0,0,0,0.55);transform-origin:bottom right;transform:scale(0.85) translateY(12px);opacity:0;pointer-events:none;transition:transform .28s cubic-bezier(.34,1.56,.64,1),opacity .2s}
.zx-window.open{transform:scale(1) translateY(0);opacity:1;pointer-events:all}

/* Header */
.zx-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:var(--surface2);border-bottom:1px solid var(--border);flex-shrink:0}
.zx-head-l{display:flex;align-items:center;gap:10px}
.zx-avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--blue));display:flex;align-items:center;justify-content:center;font-weight:900;font-size:17px;color:#000;font-family:'Outfit',sans-serif;box-shadow:0 0 14px rgba(0,212,255,0.4);flex-shrink:0}
.zx-name{font-weight:700;font-size:14px;color:var(--white);font-family:'Outfit',sans-serif;line-height:1.2}
.zx-status{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--muted);margin-top:2px}
.zx-dot{width:7px;height:7px;border-radius:50%;background:#4ade80;animation:zx-pulse 2s infinite;flex-shrink:0}
.zx-close{background:none;border:none;color:var(--muted);font-size:18px;cursor:pointer;line-height:1;padding:6px;transition:color .2s;border-radius:6px}
.zx-close:hover{color:var(--white);background:rgba(255,255,255,0.06)}

/* Messages */
.zx-msgs{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;scroll-behavior:smooth;min-height:280px;max-height:340px}
.zx-msgs::-webkit-scrollbar{width:3px}
.zx-msgs::-webkit-scrollbar-track{background:transparent}
.zx-msgs::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}

/* Message bubbles */
.zx-msg{display:flex;max-width:90%;animation:zx-pop .22s ease both}
.zx-msg.bot{align-self:flex-start}
.zx-msg.user{align-self:flex-end}
.zx-bubble{padding:10px 13px;border-radius:12px;font-size:13px;line-height:1.58;white-space:pre-wrap;word-break:break-word}
.zx-msg.bot .zx-bubble{background:var(--surface2);border:1px solid var(--border);color:var(--text);border-radius:3px 12px 12px 12px}
.zx-msg.user .zx-bubble{background:linear-gradient(135deg,rgba(0,212,255,.18),rgba(79,163,232,.13));border:1px solid rgba(0,212,255,.25);color:var(--white);border-radius:12px 3px 12px 12px}

/* Typing indicator */
.zx-typing{display:flex;gap:4px;align-items:center;padding:4px 2px}
.zx-typing span{width:6px;height:6px;border-radius:50%;background:var(--cyan);animation:zx-typing 1.3s infinite}
.zx-typing span:nth-child(2){animation-delay:.2s}
.zx-typing span:nth-child(3){animation-delay:.4s}

/* Quick replies */
.zx-qr{padding:8px 12px 6px;display:flex;flex-wrap:wrap;gap:6px;border-top:1px solid var(--border);flex-shrink:0;min-height:0}
.zx-qr:empty{padding:0;border-top:none}
.zx-qr-btn{padding:5px 12px;border-radius:100px;border:1px solid rgba(0,212,255,.28);background:rgba(0,212,255,.06);color:var(--cyan);font-size:12px;cursor:pointer;transition:background .18s,border-color .18s;font-family:inherit;white-space:nowrap}
.zx-qr-btn:hover{background:rgba(0,212,255,.15);border-color:rgba(0,212,255,.5)}

/* Input row */
.zx-inp-row{display:flex;align-items:center;gap:8px;padding:10px 12px;border-top:1px solid var(--border);flex-shrink:0}
.zx-inp{flex:1;background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:9px 12px;font-size:13px;color:var(--white);font-family:inherit;outline:none;transition:border-color .2s}
.zx-inp::placeholder{color:var(--muted)}
.zx-inp:focus{border-color:rgba(0,212,255,.4)}
.zx-send{width:38px;height:38px;border-radius:8px;background:linear-gradient(135deg,var(--cyan),var(--blue));border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:opacity .2s;color:#000;flex-shrink:0}
.zx-send:hover{opacity:.85}

/* Mobile */
@media(max-width:560px){
  #zx-chat{bottom:16px;right:16px}
  .zx-window{width:calc(100vw - 32px);right:0}
  .zx-msgs{min-height:240px;max-height:300px}
}