:root{
  --navy:#0a1736; --navy-2:#0f2557; --navy-3:#16348a;
  --bg:#fff; --bg-soft:#f3f7ff;
  --blue:#2f6bff; --blue-2:#1c4fe0; --cyan:#0fb5e8; --violet:#6a5cff;
  --gold:#f2a900; --gold-2:#d98e0b; --gold-soft:#fff5dc;
  --ink:#0c1a3d; --text:#3a4a6b; --muted:#66779b; --line:#e0e8f7; --white:#fff;
  --radius:16px; --shadow:0 18px 44px rgba(30,70,160,.14); --shadow-sm:0 4px 18px rgba(30,70,160,.07);
  --grad:linear-gradient(135deg,#2f6bff,#0fb5e8);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,"Noto Sans CJK SC",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"JetBrains Mono",Consolas,"Liberation Mono",Menlo,monospace;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth;scroll-padding-top:132px;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.3;margin:0 0 .5em;color:var(--ink)}
p{margin:0 0 1em}
strong{color:var(--ink)}
::selection{background:rgba(47,107,255,.22)}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:0;background:var(--blue);color:#fff;padding:8px 14px;z-index:99}
.skip:focus{left:8px;top:8px}
.ic{width:1em;height:1em;flex:none}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:saturate(1.8) blur(16px);-webkit-backdrop-filter:saturate(1.8) blur(16px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);min-width:0}
.logo-mark{height:44px;width:auto;flex:none;object-fit:contain}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.brand-text b{font-size:18px;letter-spacing:.6px;color:var(--ink);font-weight:800;white-space:nowrap}
.brand-text small{font-family:var(--mono);font-size:10.5px;color:var(--blue);letter-spacing:1.4px;margin-top:3px;text-transform:uppercase;font-weight:600}
.nav{display:flex;align-items:center;gap:4px}
.nav a{white-space:nowrap;position:relative;color:var(--text);padding:8px 14px;border-radius:8px;font-size:15px;font-weight:500;transition:.2s}
.nav a:not(.btn)::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s;border-radius:2px}
.nav a:hover,.nav a.on{color:var(--blue)}
.nav a:hover::after,.nav a.on::after{transform:scaleX(1)}
.nav a.btn{color:#fff;margin-left:10px}
.nav-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:10px;width:44px;height:44px;padding:0 11px;cursor:pointer}
.nav-toggle span{display:block;width:100%;height:2px;background:var(--ink);margin:5px 0;border-radius:2px;transition:.25s}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:12px;font-weight:600;font-size:16px;border:1px solid transparent;cursor:pointer;transition:.25s;font-family:inherit;line-height:1.4}
.btn-sm{padding:9px 20px;font-size:14px;border-radius:10px}
.btn-gold{background:linear-gradient(135deg,#2f6bff,#4a86ff);color:#fff;box-shadow:0 10px 26px rgba(47,107,255,.35)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(47,107,255,.5)}
.btn-ghost{color:var(--ink);border-color:#c9d6f2;background:#fff}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);box-shadow:0 8px 24px rgba(47,107,255,.15)}
.btn-line{border-color:var(--line);color:var(--ink);background:#fff}
.btn-line:hover{border-color:var(--blue);color:var(--blue)}
.btn .ic{font-size:18px}

/* hero */
.hero{position:relative;overflow:hidden;color:var(--ink);background:
  radial-gradient(760px 480px at 88% 0%,rgba(47,107,255,.17),transparent 62%),
  radial-gradient(620px 420px at 0% 100%,rgba(15,181,232,.14),transparent 60%),
  radial-gradient(420px 300px at 55% 110%,rgba(242,169,0,.1),transparent 70%),
  linear-gradient(180deg,#f2f7ff,#fff)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(47,107,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(47,107,255,.08) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse at 70% 35%,#000 5%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse at 70% 35%,#000 5%,transparent 70%)}
.hero-fx{position:absolute;inset:0;width:100%;height:100%;opacity:.8;pointer-events:none}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding-top:72px;padding-bottom:84px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13.5px;font-weight:600;letter-spacing:1px;color:var(--blue-2);background:#fff;border:1px solid #cddcff;box-shadow:var(--shadow-sm);padding:6px 16px;border-radius:999px;margin-bottom:26px}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 0 rgba(34,197,94,.6);animation:ping 2s infinite}
@keyframes ping{70%{box-shadow:0 0 0 9px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
.hero h1{color:var(--ink);font-size:clamp(38px,5.4vw,68px);font-weight:800;letter-spacing:1px;margin-bottom:22px;line-height:1.15}
.hero h1 .sub{display:block;margin-top:16px;font-family:var(--mono);font-size:.3em;font-weight:600;letter-spacing:.5px;color:var(--muted)}
.hero h1 .sub::before{content:"> ";color:var(--blue)}
.hero h1 .sub::after{content:"_";color:var(--blue);animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.hero h1 em{font-style:normal;background:linear-gradient(110deg,#2f6bff 0%,#0fb5e8 70%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:18px;color:var(--text);max-width:560px}
.cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.stats{display:grid;grid-template-columns:repeat(4,auto);justify-content:start;gap:12px 36px;margin-top:46px;padding-top:26px;border-top:1px solid var(--line)}
.stats div{display:flex;flex-direction:column}
.stats b{font-family:var(--font);font-size:32px;line-height:1.1;font-weight:800;letter-spacing:.5px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stats span{font-size:13px;color:var(--muted);margin-top:4px}

.hero-art{position:relative;aspect-ratio:1/1;max-width:500px;margin-inline:auto;width:100%}
.hero-art .ring{position:absolute;border-radius:50%;border:1px dashed rgba(47,107,255,.38)}
.hero-art .r1{inset:0;animation:spin 48s linear infinite}
.hero-art .r2{inset:13%;border-style:solid;border-color:rgba(15,181,232,.28);animation:spin 36s linear infinite reverse}
.hero-art .r3{inset:26%;border-color:rgba(242,169,0,.45);animation:spin 60s linear infinite}
.hero-art .r1::after,.hero-art .r2::after{content:"";position:absolute;top:10%;left:14%;width:12px;height:12px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px rgba(47,107,255,.18)}
.hero-art .r2::after{background:var(--gold);box-shadow:0 0 0 5px rgba(242,169,0,.22);top:auto;bottom:11%;left:auto;right:15%}
.hero-art .core{position:absolute;inset:0;display:grid;place-items:center}
.hero-art .core::before{content:"";position:absolute;width:56%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff,#eaf1ff 70%);box-shadow:0 30px 70px rgba(47,107,255,.28),inset 0 0 0 1px #dbe6ff}
.hero-art .kite{position:relative;width:48%;height:auto;aspect-ratio:290/210;filter:drop-shadow(0 14px 18px rgba(180,110,0,.35));animation:float 6s ease-in-out infinite}
.chip{position:absolute;display:flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);padding:10px 18px;border-radius:14px;font-size:14px;font-weight:600;color:var(--ink);box-shadow:0 14px 34px rgba(30,70,160,.16);animation:float 7s ease-in-out infinite}
.chip .ic{color:var(--blue);font-size:20px}
.chip.c1{top:7%;left:-2%}.chip.c2{top:30%;right:-6%;animation-delay:-2s}.chip.c3{bottom:20%;left:-8%;animation-delay:-4s}.chip.c4{bottom:3%;right:6%;animation-delay:-1s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes spin{to{transform:rotate(360deg)}}

/* sections */
section{padding:92px 0;position:relative}
.alt{background:var(--bg-soft)}
.dark{background:radial-gradient(700px 360px at 85% 0,rgba(47,107,255,.5),transparent 70%),radial-gradient(500px 300px at 0 100%,rgba(15,181,232,.28),transparent 70%),var(--navy);color:#fff;overflow:hidden}
.dark::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(ellipse at 50% 30%,#000,transparent 75%);-webkit-mask-image:radial-gradient(ellipse at 50% 30%,#000,transparent 75%)}
.dark .wrap{position:relative}
.dark h2,.dark h3{color:#fff}
.head{text-align:center;max-width:720px;margin:0 auto 52px}
.head .kicker{display:inline-block;font-family:var(--mono);color:var(--blue);font-weight:700;letter-spacing:3px;font-size:13px;background:rgba(47,107,255,.08);padding:3px 14px;border-radius:999px}
.dark .head .kicker{color:#8fe3ff;background:rgba(255,255,255,.1)}
.head h2{font-size:clamp(28px,3.4vw,42px);font-weight:800;margin-top:14px}
.head h2::after{content:"";display:block;width:56px;height:4px;margin:14px auto 0;border-radius:4px;background:var(--grad)}
.head p{color:var(--muted);margin-top:16px}
.dark .head p{color:rgba(220,230,255,.75)}

.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{--mx:50%;--my:0%;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:transform .3s,border-color .3s,box-shadow .3s;position:relative;overflow:hidden;display:block;box-shadow:var(--shadow-sm)}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(340px circle at var(--mx) var(--my),rgba(47,107,255,.09),transparent 60%);opacity:0;transition:opacity .3s;pointer-events:none}
.card::after{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .35s}
.card:hover{transform:translateY(-6px);border-color:rgba(47,107,255,.35);box-shadow:var(--shadow)}
.card:hover::before{opacity:1}
.card:hover::after{transform:scaleX(1)}
.card .ico{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-size:28px;background:linear-gradient(135deg,#eaf1ff,#e3f6fd);color:var(--blue);margin-bottom:20px;transition:.3s}
.card:hover .ico{background:var(--grad);color:#fff;box-shadow:0 10px 22px rgba(47,107,255,.35)}
.card h3{font-size:20px}
.card p{color:var(--muted);font-size:15px;margin-bottom:0}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:18px;color:var(--blue);font-weight:600;font-size:14px}
.card .more .ic{transition:.2s}.card:hover .more .ic{transform:translateX(4px)}

/* product feature rows */
.prod{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding-top:36px;padding-bottom:36px}
.prod:nth-child(even) .prod-info{order:2}
.prod .num{font-family:var(--mono);font-size:13px;letter-spacing:3px;color:var(--blue);font-weight:700}
.prod h2{font-size:clamp(26px,3vw,36px);font-weight:800}
.prod p{color:var(--text)}
.prod p.sum{color:var(--muted);font-size:17px}
.ticks{list-style:none;padding:0;margin:20px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:10px 18px}
.ticks li{display:flex;gap:8px;align-items:flex-start;font-size:15px;color:var(--ink)}
.ticks .ic{color:var(--blue);font-size:19px;margin-top:3px}
.panel{background:linear-gradient(140deg,#16348a,#2f6bff 70%,#0fb5e8);border-radius:22px;padding:36px;color:#fff;min-height:300px;position:relative;overflow:hidden;box-shadow:0 24px 54px rgba(47,107,255,.32)}
.panel::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.12) 1px,transparent 1px);background-size:32px 32px;mask-image:linear-gradient(135deg,#000,transparent 70%);-webkit-mask-image:linear-gradient(135deg,#000,transparent 70%)}
.panel::after{content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.35),transparent 70%)}
.panel>*{position:relative;z-index:1}
.panel .big{font-size:56px;color:#fff;margin-bottom:12px}
.panel .big img{height:64px;width:auto;background:#fff;border-radius:14px;padding:10px 14px}
.panel h4{color:#fff;font-size:22px}
.panel p{color:rgba(255,255,255,.85);font-size:15px}
.panel .mods{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.panel .mods span{font-family:var(--mono);font-size:12.5px;padding:5px 12px;border-radius:8px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);color:#fff}

/* process */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative}
.step{position:relative;padding:26px 20px;border-radius:var(--radius);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(6px);transition:.3s}
.step:hover{border-color:rgba(143,227,255,.7);transform:translateY(-4px);background:rgba(255,255,255,.11)}
.step::before{counter-increment:s;content:"0" counter(s);font-family:var(--mono);font-size:34px;font-weight:700;background:linear-gradient(135deg,#8fe3ff,#ffd36b);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:8px}
.step:not(:last-child)::after{content:"";position:absolute;top:46px;right:-18px;width:18px;height:1px;background:linear-gradient(90deg,#8fe3ff,transparent)}
.step h3{font-size:18px;margin-bottom:6px}
.step p{font-size:14px;color:rgba(220,230,255,.75);margin:0}

.stack{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.stack span{padding:9px 20px;background:#fff;border:1px solid var(--line);border-radius:10px;font-family:var(--mono);font-weight:600;color:var(--ink);font-size:14px;transition:.25s;box-shadow:var(--shadow-sm)}
.stack span:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px);box-shadow:0 10px 24px rgba(47,107,255,.15)}

.cta-band{background:radial-gradient(600px 260px at 12% 0,rgba(15,181,232,.55),transparent 70%),radial-gradient(500px 260px at 95% 100%,rgba(242,169,0,.35),transparent 70%),linear-gradient(135deg,#1c4fe0,#2f6bff 55%,#0b8fd0);padding:76px 0;text-align:center;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.1) 1px,transparent 1px);background-size:40px 40px;mask-image:radial-gradient(ellipse at center,#000,transparent 75%);-webkit-mask-image:radial-gradient(ellipse at center,#000,transparent 75%)}
.cta-band .wrap{position:relative}
.cta-band h2{color:#fff;font-size:clamp(26px,3.2vw,38px);font-weight:800}
.cta-band p{color:rgba(255,255,255,.88);font-size:17px}
.cta-band .btn{background:#fff;color:var(--blue-2);box-shadow:0 12px 30px rgba(0,20,80,.3);margin-top:8px}
.cta-band .btn:hover{transform:translateY(-2px)}

/* inner page banner */
.banner{position:relative;overflow:hidden;background:radial-gradient(700px 320px at 92% 0,rgba(47,107,255,.2),transparent 62%),radial-gradient(500px 260px at 0 100%,rgba(15,181,232,.16),transparent 60%),linear-gradient(180deg,#f2f7ff,#fff);padding:72px 0 60px;border-bottom:1px solid var(--line)}
.banner::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(47,107,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(47,107,255,.08) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(ellipse at 80% 20%,#000,transparent 70%);-webkit-mask-image:radial-gradient(ellipse at 80% 20%,#000,transparent 70%)}
.banner .wrap{position:relative}
.banner h1{color:var(--ink);font-size:clamp(30px,3.8vw,46px);font-weight:800;margin-bottom:12px}
.banner p{color:var(--text);font-size:18px;max-width:680px;margin:0}
.crumb{font-family:var(--mono);font-size:13px;color:var(--muted);margin-bottom:14px}
.crumb a:hover{color:var(--blue)}

/* contact / prose */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.info{display:flex;gap:16px;align-items:flex-start}
.info .ico{flex:none;width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:24px;background:linear-gradient(135deg,#eaf1ff,#e3f6fd);color:var(--blue)}
.info h3{font-size:16px;margin-bottom:2px}
.info p{margin:0;color:var(--muted);word-break:break-all}
.info a{color:var(--blue)}
.prose{max-width:820px}
.prose h2{font-size:22px;margin-top:2em}
.prose p,.prose li{color:var(--text)}
.prose a{color:var(--blue)}
.prose ul{padding-left:1.3em}
.notice{background:var(--gold-soft);border:1px solid #f4dba0;border-radius:12px;padding:16px 20px;color:#7a5200;font-size:15px}

/* footer */
.site-footer{background:var(--navy);color:rgba(220,230,255,.72);font-size:14px;position:relative}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--blue),var(--cyan),var(--gold))}
.site-footer .brand,.site-footer .brand-text b{color:#fff}
.site-footer .brand-text small{color:#8fe3ff}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-top:56px;padding-bottom:40px}
.fcol h4{color:#fff;font-size:15px;margin-bottom:14px}
.fcol a{display:block;padding:4px 0;color:rgba(220,230,255,.65)}
.fcol a:hover{color:#8fe3ff}
.fcol a.brand{display:flex;padding:0}
.fabout p{margin-top:16px;max-width:360px;line-height:1.8}
.legal{border-top:1px solid rgba(255,255,255,.1);padding:22px 0 30px;text-align:center}
.legal p{margin:0 0 6px;line-height:1.9}
.legal strong{color:#fff;font-weight:600}
.legal .rec{display:flex;flex-wrap:wrap;gap:6px 22px;justify-content:center;align-items:center}
.legal .rec a{color:rgba(255,255,255,.85);display:inline-flex;align-items:center;gap:5px}
.legal .rec a:hover{color:#8fe3ff}
.legal .pending{color:rgba(255,255,255,.6)}
.legal .site{font-size:13px;color:rgba(255,255,255,.5)}

/* floating contact (desktop: right rail / mobile: bottom bar) */
.fab{position:fixed;right:16px;top:50%;transform:translateY(-50%);z-index:60;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.fab-i{position:relative;display:flex;align-items:center;justify-content:flex-end;height:54px;min-width:54px;border-radius:27px;background:#fff;border:1px solid var(--line);color:var(--ink);box-shadow:0 12px 32px rgba(30,70,160,.2);overflow:hidden;cursor:pointer;padding:0;font:inherit;transition:border-color .25s,box-shadow .25s}
.fab-i:hover,.fab-i:focus-visible{border-color:var(--blue);box-shadow:0 14px 36px rgba(47,107,255,.32)}
.fab-i .t{display:flex;flex-direction:column;max-width:0;opacity:0;white-space:nowrap;overflow:hidden;font-size:14px;font-weight:600;line-height:1.25;text-align:left;transition:max-width .3s,opacity .2s,padding .3s}
.fab-i .t b{font-family:var(--mono);font-size:13px;font-weight:600;color:var(--blue)}
.fab-i:hover .t,.fab-i:focus-visible .t{max-width:200px;opacity:1;padding-left:20px}
.fab-i .ic{width:52px;height:52px;padding:14px;flex:none;color:var(--blue)}
.fab-i.primary{background:linear-gradient(135deg,#2f6bff,#4a86ff);border-color:transparent;color:#fff}
.fab-i.primary .ic{color:#fff}
.fab-i.primary .t b{color:#fff}
.fab-i.primary::before{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:0 0 0 0 rgba(47,107,255,.55);animation:pulse 2.4s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 14px rgba(47,107,255,0)}100%{box-shadow:0 0 0 0 rgba(47,107,255,0)}}
.to-top{position:fixed;right:16px;bottom:24px;z-index:59;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:#fff;border:1px solid var(--line);box-shadow:0 8px 24px rgba(30,70,160,.2);color:var(--blue);font-size:20px;cursor:pointer;padding:0;opacity:0;visibility:hidden;transform:translateY(10px);transition:.3s}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{border-color:var(--blue)}
.toast{position:fixed;left:50%;bottom:90px;transform:translate(-50%,16px);z-index:80;background:var(--ink);color:#fff;padding:12px 22px;border-radius:12px;font-size:14px;box-shadow:0 14px 40px rgba(0,20,80,.35);opacity:0;visibility:hidden;transition:.3s;max-width:calc(100vw - 32px);text-align:center}
.toast.show{opacity:1;visibility:visible;transform:translate(-50%,0)}

/* reveal */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}
.rv.in{opacity:1;transform:none}

@media (max-width:1100px){
  .nav-toggle{display:block}
  .nav{position:absolute;left:0;right:0;top:100%;background:rgba(255,255,255,.98);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);flex-direction:column;align-items:stretch;gap:0;padding:8px 18px 22px;display:none;border-bottom:1px solid var(--line);box-shadow:0 20px 40px rgba(30,70,160,.12)}
  .nav.open{display:flex}
  .nav a{padding:15px 8px;border-bottom:1px solid var(--line);font-size:16px}
  .nav a:not(.btn)::after{display:none}
  .nav a.btn{margin:16px 0 0;border:0;padding:13px}
  .nav-toggle[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle[aria-expanded=true] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav a{white-space:nowrap}
  .bar{gap:12px}
}
@media (max-width:980px){
  .hero .wrap{grid-template-columns:1fr;gap:28px;padding-top:44px;padding-bottom:68px}
  .hero-art{max-width:360px;order:-1}
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .prod{grid-template-columns:1fr;gap:28px}
  .prod:nth-child(even) .prod-info{order:0}
  .fgrid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
}
@media (max-width:720px){
  body{padding-bottom:calc(60px + env(safe-area-inset-bottom))}
  section{padding:58px 0}
  .wrap{padding:0 18px}
  .bar{height:62px}
  .logo-mark{height:36px}
  .brand-text b{font-size:15px}.brand-text small{display:none}
  .hero .wrap{padding-top:28px;padding-bottom:56px}
  .hero-art{max-width:240px}
  .chip{padding:6px 11px;font-size:12px;border-radius:10px}
  .chip .ic{font-size:15px}
  .chip.c1{left:-4%}.chip.c3{left:-6%}.chip.c2{right:-6%}.chip.c4{right:0}
  .hero h1{font-size:clamp(34px,10.5vw,44px)}
  .hero p.lead{font-size:16px}
  .cta{gap:10px}
  .cta .btn{flex:1 1 0;padding:13px 12px;font-size:15px;white-space:nowrap}
  .stats{grid-template-columns:repeat(2,1fr);gap:18px;margin-top:34px}
  .stats b{font-size:26px}
  .head{margin-bottom:36px}
  .g2,.g3,.g4,.steps,.ticks{grid-template-columns:1fr}
  .card{padding:24px}
  .panel{padding:26px;min-height:0}
  .fgrid{grid-template-columns:1fr 1fr;gap:26px 18px;padding-top:40px}
  .fabout{grid-column:1/-1}
  .banner{padding:48px 0 40px}
  .banner p{font-size:16px}
  .stack span{padding:7px 14px;font-size:13px}

  .fab{top:auto;bottom:0;left:0;right:0;transform:none;flex-direction:row;align-items:stretch;gap:0;background:rgba(255,255,255,.97);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--line);box-shadow:0 -6px 24px rgba(30,70,160,.1);padding:0 0 env(safe-area-inset-bottom)}
  .fab-i{flex:1 1 0;min-width:0;height:60px;border-radius:0;border:0;background:none;box-shadow:none;justify-content:center;gap:7px;overflow:visible}
  .fab-i:hover,.fab-i:focus-visible{box-shadow:none}
  .fab-i .ic{width:22px;height:22px;padding:0}
  .fab-i .t{max-width:none;opacity:1;padding:0!important;font-size:14px;font-weight:600}
  .fab-i .t b{display:none}
  .fab-i+.fab-i{border-left:1px solid var(--line)}
  .fab-i.primary{background:linear-gradient(135deg,#2f6bff,#4a86ff)}
  .fab-i.primary::before{display:none}
  .to-top{right:14px;bottom:calc(74px + env(safe-area-inset-bottom))}
  .toast{bottom:calc(80px + env(safe-area-inset-bottom))}
}
@media (max-width:380px){
  .brand-text b{font-size:13px}
  .stats{gap:14px}
}
/* --- v3 additions: H5 mock, industries, FAQ --- */
.hero p.lead strong{color:var(--blue-2)}
.nav a{padding:8px 12px}
.ind .card{padding:24px}
.ind .card .ico{width:48px;height:48px;font-size:24px;margin-bottom:14px;border-radius:14px}
.ind .card h3{font-size:18px;margin-bottom:6px}
.ind .card p{font-size:14px}
.ind-list .card h3{font-size:21px}
.ind-list .card>p{margin-bottom:0}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pills span{font-size:13px;color:var(--blue-2);background:#eef3ff;border:1px solid #d8e4ff;padding:4px 12px;border-radius:999px;font-weight:500}

.mock{position:relative;max-width:420px;min-height:470px;margin-inline:auto;width:100%;display:grid;place-items:center}
.mock::before{content:"";position:absolute;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(47,107,255,.28),rgba(15,181,232,.12) 55%,transparent 72%);filter:blur(6px)}
.phone{position:relative;width:236px;aspect-ratio:9/18.2;border:9px solid #0a1736;border-radius:36px;background:#fff;box-shadow:0 36px 70px rgba(10,23,54,.38),0 0 0 1px rgba(255,255,255,.4) inset;overflow:hidden;transform:rotate(-4deg)}
.phone::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:70px;height:16px;background:#0a1736;border-radius:0 0 12px 12px;z-index:2}
.scr{height:100%;padding:22px 12px 12px;display:flex;flex-direction:column;gap:9px;background:linear-gradient(180deg,#f3f7ff,#fff)}
.m-hero{position:relative;height:96px;border-radius:12px;background:linear-gradient(135deg,#2f6bff,#0fb5e8);overflow:hidden;flex:none}
.m-hero i{position:absolute;left:12px;top:16px;width:60%;height:10px;border-radius:5px;background:rgba(255,255,255,.95)}
.m-hero b{position:absolute;left:12px;top:34px;width:40%;height:7px;border-radius:4px;background:rgba(255,255,255,.6)}
.m-hero s{position:absolute;right:-14px;bottom:-14px;width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.22)}
.m-line{height:7px;border-radius:4px;background:#d6e2fb;flex:none}
.m-line.w80{width:80%}.m-line.w60{width:60%}
.m-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;flex:none}
.m-cards span{height:50px;border-radius:10px;background:#fff;border:1px solid #dbe6ff;box-shadow:0 4px 10px rgba(47,107,255,.08);position:relative}
.m-cards span::after{content:"";position:absolute;left:8px;top:9px;width:18px;height:18px;border-radius:6px;background:linear-gradient(135deg,#ffd36b,#f2a900)}
.m-form{display:grid;gap:7px;margin-top:2px;flex:none}
.m-form u{display:block;height:26px;border-radius:8px;background:#fff;border:1px solid #cddcff}
.m-btn{margin-top:auto;text-align:center;font-size:13px;font-weight:700;color:#fff;padding:10px 0;border-radius:999px;background:linear-gradient(135deg,#2f6bff,#4a86ff);box-shadow:0 8px 18px rgba(47,107,255,.4);flex:none}
.mock .tag{position:absolute;display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);padding:9px 16px;border-radius:14px;font-size:14px;font-weight:600;color:var(--ink);box-shadow:0 14px 34px rgba(30,70,160,.18);animation:float 7s ease-in-out infinite;white-space:nowrap}
.mock .tag .ic{color:var(--blue);font-size:19px}
.mock .t1{top:12%;right:-2%}.mock .t2{top:48%;left:-4%;animation-delay:-2.5s}.mock .t3{bottom:9%;right:2%;animation-delay:-4.5s}

.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm);transition:.25s}
.faq details[open]{border-color:rgba(47,107,255,.4);box-shadow:var(--shadow)}
.faq summary{list-style:none;cursor:pointer;padding:18px 54px 18px 22px;font-weight:700;font-size:16px;color:var(--ink);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:#eef3ff;color:var(--blue);font-size:18px;font-weight:600;line-height:1;transition:.25s}
.faq details[open] summary::after{content:"\2212";background:var(--blue);color:#fff}
.faq details p{margin:0;padding:0 22px 20px;color:var(--muted);font-size:15px}

@media (max-width:980px){
  .mock{min-height:430px}
}
@media (max-width:720px){
  .mock{min-height:400px;max-width:340px}
  .phone{width:200px}
  .mock .t1{right:0}.mock .t2{left:-2%}.mock .t3{right:2%}
  .mock .tag{padding:7px 12px;font-size:13px}
  .ind .card{padding:18px}
  .ind{grid-template-columns:1fr 1fr!important;gap:12px}
  .ind .card .ico{width:42px;height:42px;font-size:21px;margin-bottom:10px}
  .ind .card h3{font-size:16px}
  .ind .card p{font-size:13px;line-height:1.55}
  .faq summary{font-size:15px;padding:16px 50px 16px 18px}
  .faq details p{padding:0 18px 18px}
  .pills span{font-size:12.5px}
}
/* --- v4: articles / news --- */
.banner .meta{font-family:var(--mono);font-size:13px;color:var(--muted);margin-top:12px}
.article{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start}
.article .prose{max-width:none}
.article .prose h2{font-size:22px;margin:1.8em 0 .6em;padding-left:14px;border-left:4px solid var(--blue)}
.article .prose p{font-size:16.5px;line-height:1.95}
.side{position:sticky;top:92px;display:grid;gap:18px}
.side .card{padding:24px}
.side .card h3{font-size:17px}
.side .card:hover{transform:none}
.rel{list-style:none;margin:10px 0 0;padding:0}
.rel li{border-top:1px solid var(--line)}
.rel a{display:block;padding:11px 0;color:var(--text);font-size:15px}
.rel a:hover{color:var(--blue)}
.card .date{font-family:var(--mono);font-size:12.5px;color:var(--blue);margin-bottom:10px}
@media (max-width:980px){.article{grid-template-columns:1fr;gap:30px}.side{position:static}}
/* --- v5: sub navigation for service / solution pages --- */
.subnav{position:sticky;top:72px;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.subnav .wrap{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.subnav .wrap::-webkit-scrollbar{display:none}
.subnav a{flex:none;position:relative;padding:14px 16px;font-size:14.5px;font-weight:600;color:var(--muted);white-space:nowrap;transition:color .2s}
.subnav a:hover{color:var(--blue)}
.subnav a.on{color:var(--blue)}
.subnav a.on::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--grad)}
@media (max-width:720px){.subnav{top:62px}.subnav .wrap{padding:0 10px}.subnav a{padding:12px 13px;font-size:14px}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}}