/* Ax2Any / AxLink — shared stylesheet (EN + ZH) */
:root{
  --bg:#ffffff; --bg-soft:#f6f8fc; --bg-soft2:#eef3fb;
  --ink:#0f172a; --ink-soft:#475569; --ink-mute:#64748b;
  --line:#e2e8f0; --brand:#1d4ed8; --brand-dark:#1e3a8a;
  --accent:#0ea5e9; --ok:#16a34a; --warn:#d97706; --bad:#dc2626;
  --radius:14px; --maxw:1140px;
  --shadow:0 1px 2px rgba(15,23,42,.04),0 8px 24px rgba(15,23,42,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",
    Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
section{padding:74px 0;border-top:1px solid var(--line)}
h1,h2,h3{line-height:1.22;letter-spacing:-.02em;color:var(--ink)}
h2{font-size:clamp(1.55rem,3.4vw,2.25rem);font-weight:750}
h3{font-size:1.1rem;font-weight:700}
p{color:var(--ink-soft)}
.eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--brand)}
.lead{font-size:1.05rem;color:var(--ink-soft);max-width:760px;margin-top:14px}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.soft{background:var(--bg-soft)}

/* Header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.12rem;letter-spacing:-.02em}
.logo{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--accent));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:800}
.navlinks{display:flex;gap:22px;font-size:.92rem;color:var(--ink-soft);font-weight:550;margin-left:auto}
.navlinks a:hover{color:var(--brand)}
.lang{display:flex;align-items:center;gap:7px;font-size:.86rem;font-weight:650;color:var(--ink-mute)}
.lang a{padding:3px 7px;border-radius:6px}
.lang a:hover{color:var(--brand)}
.lang a.active{background:#e8f0ff;color:var(--brand);border:1px solid #d4e2ff}
@media(max-width:900px){.navlinks{display:none}}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:650;font-size:.95rem;
  padding:13px 22px;border-radius:10px;transition:.15s;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:9px 15px;font-size:.88rem}

/* Hero */
.hero{background:linear-gradient(180deg,#f4f8ff 0%,#ffffff 70%);border-top:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.hero h1{font-size:clamp(2rem,4.6vw,3rem);font-weight:800}
.hero .sub{font-size:1.1rem;color:var(--ink-soft);margin-top:18px;max-width:560px}
.hero .slogan{font-size:.92rem;font-weight:700;color:var(--brand);margin-top:14px}
.hero-cta{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}
.hero-hint{font-size:.84rem;color:var(--ink-mute);margin-top:15px;max-width:540px}
.kw{display:flex;gap:9px;flex-wrap:wrap;margin-top:26px}
.kw span{font-size:.8rem;font-weight:650;color:var(--brand);background:#e8f0ff;
  border:1px solid #d4e2ff;padding:6px 12px;border-radius:999px}
@media(max-width:880px){.hero-grid{grid-template-columns:1fr;gap:34px}}

/* Hero diagram: many devices -> AxLink -> Cloud -> AI */
.diagram{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:24px}
.fanin{display:grid;grid-template-columns:1fr;gap:10px}
.devlist{display:flex;flex-wrap:wrap;gap:6px}
.devlist span{font-size:.76rem;font-weight:650;background:var(--bg-soft);border:1px solid var(--line);
  color:var(--ink-soft);padding:5px 10px;border-radius:8px}
.node{display:flex;align-items:center;gap:13px;border:1px solid var(--line);
  border-radius:11px;padding:13px 15px;background:var(--bg-soft)}
.node .ic{width:40px;height:40px;border-radius:9px;flex:none;display:flex;align-items:center;
  justify-content:center;background:#e8f0ff;color:var(--brand);font-weight:800;font-size:.82rem}
.node b{display:block;font-size:.95rem;color:var(--ink)}
.node small{color:var(--ink-mute);font-size:.82rem}
.arrow{align-self:center;color:var(--brand);font-size:1.05rem;line-height:1}

/* Grids & cards */
.grid{display:grid;gap:18px;margin-top:38px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g5{grid-template-columns:repeat(5,1fr)}
@media(max-width:1000px){.g4,.g5{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.g2,.g3,.g4,.g5{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow)}
.card h3{margin-bottom:7px}
.card p{font-size:.93rem}
.card .tag{font-size:.76rem;font-weight:700;color:var(--brand);letter-spacing:.04em;
  text-transform:uppercase;margin-bottom:9px;display:block}

/* Check list */
ul.checks{list-style:none;margin-top:20px;display:grid;grid-template-columns:1fr 1fr;gap:11px 30px}
ul.checks li{position:relative;padding-left:28px;color:var(--ink-soft);font-size:.96rem}
ul.checks li::before{content:"";position:absolute;left:0;top:7px;width:15px;height:15px;
  border-radius:5px;background:#e8f0ff;border:1px solid #c9dbff}
ul.checks li::after{content:"";position:absolute;left:5px;top:10px;width:4px;height:8px;
  border:solid var(--brand);border-width:0 2px 2px 0;transform:rotate(45deg)}
@media(max-width:620px){ul.checks{grid-template-columns:1fr}}

/* Highlight strip */
.strip{margin-top:30px;display:flex;flex-wrap:wrap;gap:10px}
.strip span{font-size:.86rem;font-weight:600;color:var(--ink);background:#fff;
  border:1px solid var(--line);border-left:3px solid var(--brand);
  border-radius:8px;padding:8px 14px}

/* Steps (6-step flow) */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:38px}
@media(max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.steps{grid-template-columns:1fr}}
.stepc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow);position:relative}
.stepc .n{width:32px;height:32px;border-radius:8px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.88rem;margin-bottom:12px}
.stepc h3{font-size:1rem;margin-bottom:5px}
.stepc p{font-size:.88rem}

/* Architecture */
.flowline{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:18px;
  font-weight:700;color:var(--ink);font-size:.94rem}
.flowline b{color:var(--brand)}
.flowline i{color:var(--ink-mute);font-style:normal;font-weight:600}
.arch{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:38px}
@media(max-width:1000px){.arch{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.arch{grid-template-columns:1fr}}
.arch .mod{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow)}
.arch .mod h3{font-size:1rem;color:var(--brand);margin-bottom:10px}
.arch .mod ul{list-style:none;display:flex;flex-direction:column;gap:6px}
.arch .mod li{font-size:.87rem;color:var(--ink-soft);padding-left:16px;position:relative}
.arch .mod li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;
  border-radius:50%;background:var(--brand)}

/* Two-column lists (template / safety) */
.cols{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:34px}
@media(max-width:760px){.cols{grid-template-columns:1fr}}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow)}
.panel.ok{border-top:3px solid var(--ok)}
.panel.warn{border-top:3px solid var(--warn)}
.panel.bad{border-top:3px solid var(--bad)}
.panel h3{font-size:1rem;margin-bottom:12px}
.taglist{display:flex;flex-wrap:wrap;gap:7px}
.taglist span{font-size:.8rem;font-weight:600;color:var(--ink-soft);background:var(--bg-soft);
  border:1px solid var(--line);border-radius:7px;padding:5px 10px}
.note-line{font-size:.86rem;color:var(--ink-mute);margin-top:16px}
.callout{margin-top:30px;background:var(--bg-soft);border:1px solid var(--line);
  border-left:4px solid var(--brand);border-radius:10px;padding:18px 22px;
  font-size:1rem;color:var(--ink);font-weight:600}

/* AI diagnosis */
.qchips{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.qchips span{font-size:.86rem;color:var(--ink-soft);background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:8px 14px}
.aiout{margin-top:22px;background:#0f172a;border-radius:12px;padding:20px;box-shadow:var(--shadow)}
.aiout .l{color:#60a5fa;font-size:.74rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.06em;margin-bottom:10px}
.aiout p{color:#cbd5e1;font-size:.92rem;margin:0}
.aiout p+p{margin-top:6px}
.aiout p b{color:#93c5fd;font-weight:700}

/* Comparison table */
.cmp{margin-top:34px;overflow-x:auto}
table.cmp-t{width:100%;border-collapse:collapse;min-width:560px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
table.cmp-t th,table.cmp-t td{text-align:left;padding:14px 18px;font-size:.92rem;
  border-bottom:1px solid var(--line);vertical-align:top}
table.cmp-t thead th{background:var(--bg-soft);font-weight:700;color:var(--ink)}
table.cmp-t thead th:last-child{color:var(--brand)}
table.cmp-t td:first-child{color:var(--ink-mute);font-weight:600;width:34%}
table.cmp-t tr:last-child td{border-bottom:none}

/* Pricing */
.price{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:38px}
@media(max-width:980px){.price{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.price{grid-template-columns:1fr}}
.tier{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.tier.featured{border:1px solid var(--brand);box-shadow:0 8px 28px rgba(29,78,216,.16)}
.tier h3{font-size:1.05rem;margin-bottom:4px}
.tier .cap{font-size:.82rem;color:var(--brand);font-weight:650;margin-bottom:14px}
.tier ul{list-style:none;display:flex;flex-direction:column;gap:8px;margin-top:auto}
.tier li{font-size:.88rem;color:var(--ink-soft);padding-left:18px;position:relative}
.tier li::before{content:"";position:absolute;left:0;top:7px;width:7px;height:7px;
  border-radius:50%;background:var(--ok)}

/* CTA */
.cta{background:linear-gradient(135deg,var(--brand),#1e3a8a);border-radius:18px;
  padding:52px 38px;text-align:center;color:#fff;margin-top:10px}
.cta h2{color:#fff}
.cta p{color:#dbe7ff;max-width:660px;margin:16px auto 0}
.cta .btn-primary{background:#fff;color:var(--brand);margin-top:26px}
.cta .btn-primary:hover{background:#eef3fb}
.cta .mail{display:block;margin-top:16px;color:#dbe7ff;font-weight:600;font-size:.95rem}

/* Footer */
footer{border-top:1px solid var(--line);padding:44px 0;background:var(--bg-soft)}
.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.foot .b{font-weight:800;font-size:1.05rem;display:flex;align-items:center;gap:9px}
.foot small{color:var(--ink-mute);display:block;margin-top:6px;font-size:.87rem}
.foot nav{display:flex;gap:20px;flex-wrap:wrap;font-size:.9rem;color:var(--ink-soft)}
.foot nav a:hover{color:var(--brand)}
.copyright{margin-top:26px;font-size:.82rem;color:var(--ink-mute);
  border-top:1px solid var(--line);padding-top:18px}

/* Product & application gallery */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:38px}
@media(max-width:1000px){.gallery{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.gallery{grid-template-columns:1fr}}
.gallery figure{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;margin:0;display:flex;flex-direction:column}
.gallery img{display:block;width:100%;height:240px;object-fit:contain;
  background:var(--bg-soft);border-bottom:1px solid var(--line)}
.gallery figcaption{padding:13px 16px;font-size:.9rem;font-weight:650;color:var(--ink)}
.disclaimer{font-size:.82rem;color:var(--ink-mute);margin-top:20px;font-style:italic}

/* Use-case scenario rows with image */
.scenes{display:grid;gap:18px;margin-top:38px}
.scene{display:grid;grid-template-columns:320px 1fr;gap:0;align-items:stretch;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden}
.scene img{width:100%;height:100%;min-height:210px;object-fit:cover;
  background:var(--bg-soft);border-right:1px solid var(--line)}
.scene .sc-body{padding:24px 26px;display:flex;flex-direction:column;justify-content:center}
.scene .sc-body .tag{font-size:.76rem;font-weight:700;color:var(--brand);
  letter-spacing:.04em;text-transform:uppercase;margin-bottom:8px;display:block}
.scene .sc-body h3{font-size:1.1rem;margin-bottom:7px}
.scene .sc-body p{font-size:.94rem}
.scene .sc-flow{margin-top:12px;font-size:.85rem;font-weight:650;color:var(--ink)}
.scene .sc-flow b{color:var(--brand)}
@media(max-width:760px){.scene{grid-template-columns:1fr}
  .scene img{min-height:220px;max-height:280px;border-right:none;border-bottom:1px solid var(--line)}}

/* Scroll reveal: active only with JS; static & visible otherwise */
.js .reveal{opacity:0;transform:translateY(18px);
  transition:opacity .5s ease,transform .5s ease;transition-delay:calc(var(--d,0) * 90ms)}
.js .reveal.show{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .js .reveal{opacity:1 !important;transform:none !important;transition:none !important}
}