:root{
  /* ---- dark palette ---- */
  --bg:#080D14;
  --surface:#0C131B;
  --surface-2:#121B25;
  --surface-3:#18232F;
  --ink:#F2F5F9;
  --ink-soft:#C3D0DE;
  --muted:#8B9CAE;
  --faint:#62748A;
  --line:rgba(255,255,255,.075);
  --line-strong:rgba(255,255,255,.16);
  --accent:#D8A94A;
  --accent-dim:#9C7A31;
  --accent-soft:rgba(216,169,74,.10);
  --btn-bg:#F2F5F9;
  --btn-fg:#080D14;
  --radius:5px;
  --shadow:0 18px 40px -22px rgba(0,0,0,.9);
  --maxw:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(1100px 560px at 78% -8%, rgba(74,132,200,.13), transparent 62%),
    radial-gradient(820px 430px at 6% 3%, rgba(216,169,74,.05), transparent 60%),
    var(--bg);
  background-attachment:fixed;
  font-size:16px;line-height:1.65;
  font-feature-settings:'kern' 1,'liga' 1;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4{font-weight:600;letter-spacing:-.022em;line-height:1.16;color:var(--ink)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.01em}
::selection{background:rgba(216,169,74,.3);color:#fff}

/* ---------- eyebrow / heads ---------- */
.eyebrow{
  font-size:11.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);margin-bottom:18px;
  display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:'';width:18px;height:1px;background:var(--accent);opacity:.6;flex:0 0 auto}
.sec{padding:104px 0}
.sec.tight{padding:80px 0}
.sec-head{max-width:730px;margin-bottom:60px}
.sec-head h2{font-size:clamp(28px,3.2vw,41px);margin-bottom:18px}
.sec-head p{font-size:16.5px;color:var(--muted);max-width:62ch;line-height:1.64}
.rule{height:1px;background:var(--line);border:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--radius);
  font-size:14.5px;font-weight:600;letter-spacing:-.005em;
  transition:background .18s ease,border-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--btn-bg);color:var(--btn-fg)}
.btn-primary:hover{background:#fff;transform:translateY(-1px);box-shadow:0 12px 28px -14px rgba(255,255,255,.32)}
.btn-ghost{background:rgba(255,255,255,.03);color:var(--ink);border:1px solid var(--line-strong)}
.btn-ghost:hover{border-color:rgba(255,255,255,.34);background:rgba(255,255,255,.06)}
.btn-sm{height:40px;padding:0 16px;font-size:13.5px}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ---------- header ---------- */
.hdr{
  position:sticky;top:0;z-index:60;
  background:rgba(8,13,20,.8);
  backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid var(--line);
}
.hdr-in{display:flex;align-items:center;gap:40px;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15px;letter-spacing:.01em;white-space:nowrap}
.logo-mark{
  width:28px;height:28px;border-radius:4px;
  background:linear-gradient(150deg,#E4BC63,#9C7A31);
  display:grid;place-items:center;color:#0A0F16;font-size:9.5px;font-weight:800;letter-spacing:.01em;
  flex:0 0 auto;
}
.logo-name{font-size:14.5px;letter-spacing:.005em}
.logo-mark svg{width:14px;height:14px;display:block}
.nav{display:flex;gap:30px;margin-left:auto}
.nav a{
  font-size:14px;font-weight:500;color:var(--ink-soft);white-space:nowrap;
  padding:7px 0;border-bottom:1px solid transparent;transition:color .16s,border-color .16s;
}
.nav a:hover{color:#fff;border-bottom-color:var(--accent)}
.nav a[aria-current]{color:#fff;border-bottom-color:var(--accent)}
.hdr .btn{margin-left:10px}
.burger{display:none;margin-left:auto;width:40px;height:40px;border:1px solid var(--line-strong);border-radius:var(--radius)}

/* ---------- hero ---------- */
.hero{padding:88px 0 0;position:relative}
.hero::after{
  content:'';position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--line-strong) 20%,var(--line-strong) 80%,transparent);
}
.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:60px;align-items:center;padding-bottom:76px}
.hero h1{
  font-size:clamp(32px,4vw,53px);
  letter-spacing:-.035em;line-height:1.08;font-weight:600;
  max-width:19ch;
}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .lede{
  font-size:17.5px;line-height:1.66;color:var(--muted);
  margin-top:24px;max-width:52ch;
}
.hero .lede strong{color:var(--ink);font-weight:600}
.hero-cta{display:flex;gap:12px;margin-top:36px;flex-wrap:wrap}
.hero-note{margin-top:20px;font-size:13px;color:var(--faint)}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:6px;border:1px solid var(--line-strong);
  box-shadow:0 44px 90px -44px rgba(0,0,0,.95);
}
.hero-media::after{
  content:'';position:absolute;inset:0;border-radius:6px;pointer-events:none;
  background:linear-gradient(180deg,rgba(8,13,20,0) 58%,rgba(8,13,20,.5) 100%);
}
.hero-tag{
  position:absolute;left:14px;bottom:14px;z-index:2;
  background:rgba(8,13,20,.8);color:var(--ink);
  border:1px solid var(--line-strong);
  font-size:10.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  padding:8px 12px;border-radius:3px;backdrop-filter:blur(8px);
}

/* ---------- trust ---------- */
.trust{background:linear-gradient(180deg,rgba(255,255,255,.022),transparent);border-bottom:1px solid var(--line)}
.trust-in{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 0;flex-wrap:wrap}
.trust-lbl{font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}
.trust-items{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.025);
  padding:7px 13px;border-radius:3px;
  font-size:12.5px;font-weight:500;color:var(--ink-soft);
  transition:border-color .16s,color .16s,background .16s;
}
.chip svg{width:12px;height:12px;stroke:var(--accent);fill:none;stroke-width:2.6}
a.chip:hover{border-color:rgba(216,169,74,.5);color:#fff;background:var(--accent-soft)}

/* ---------- product grid ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  border:1px solid var(--line);border-radius:6px;background:var(--surface);
  display:flex;flex-direction:column;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease,background .2s ease;
}
.card:hover{
  border-color:rgba(255,255,255,.2);background:var(--surface-2);
  box-shadow:0 26px 52px -30px rgba(0,0,0,.95);transform:translateY(-3px);
}
.card-media{
  background:
    radial-gradient(70% 60% at 50% 38%, rgba(255,255,255,.055), transparent 70%),
    linear-gradient(180deg,#101A24 0%,#0A1219 100%);
  aspect-ratio:4/3;display:grid;place-items:center;padding:24px;
  border-bottom:1px solid var(--line);
}
.card-media img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 18px 26px rgba(0,0,0,.55))}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.card-kicker{font-size:10.5px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--accent);margin-bottom:9px}
.card h3{font-size:16.5px;line-height:1.34;margin-bottom:15px;letter-spacing:-.015em}
.specs{list-style:none;display:flex;flex-direction:column;gap:0;margin-bottom:18px;border-top:1px solid var(--line)}
.specs li{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);font-size:13px}
.specs .k{color:var(--faint)}
.specs .v{font-weight:600;text-align:right;color:var(--ink)}
.card-link{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:6px}
.card-link::after{content:'→';transition:transform .18s ease;color:var(--accent)}
.card:hover .card-link::after{transform:translateX(3px)}
.prod-grid.cols2{grid-template-columns:repeat(2,1fr)}
.card-cta{
  background:
    radial-gradient(620px 320px at 82% 0%, rgba(216,169,74,.075), transparent 62%),
    var(--surface);
  border-style:dashed;border-color:rgba(255,255,255,.13);
}
.card-cta-body{padding:44px 38px;justify-content:center}
.card-cta-body h3{font-size:22px;margin-bottom:12px;letter-spacing:-.022em}
.card-cta-body p{font-size:13.5px;color:var(--muted);line-height:1.65;margin-bottom:26px;max-width:38ch}
.card-cta .btn{align-self:flex-start}

/* ---------- why / capability band ---------- */
.why{
  background:
    radial-gradient(900px 400px at 12% 0%, rgba(216,169,74,.05), transparent 62%),
    linear-gradient(180deg,var(--surface),#090F16);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line-strong)}
.why-item{padding:38px 34px 0 0}
.why-item+.why-item{border-left:1px solid var(--line);padding-left:34px}
.why-num{font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--accent);margin-bottom:20px}
.why-item h3{font-size:18.5px;margin-bottom:12px;letter-spacing:-.018em}
.why-item p{font-size:14px;line-height:1.7;color:var(--muted)}

/* ---------- applications ---------- */
.app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.app{
  position:relative;border-radius:6px;overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:3/4;display:flex;align-items:flex-end;background:var(--surface-2);
}
.app img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .55s cubic-bezier(.2,.7,.3,1);opacity:.9}
.app:hover img{transform:scale(1.045);opacity:1}
.app-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,13,20,.08) 28%,rgba(8,13,20,.94) 100%)}
.app-txt{position:relative;padding:20px}
.app-txt h3{font-size:15.5px;margin-bottom:5px}
.app-txt p{font-size:12.5px;color:var(--muted);line-height:1.5}

/* ---------- process ---------- */
.proc{display:grid;grid-template-columns:repeat(4,1fr);gap:34px;counter-reset:step}
.proc-step{position:relative;padding-top:28px;border-top:1px solid var(--line-strong)}
.proc-step::before{
  counter-increment:step;content:'0' counter(step);
  position:absolute;top:-10px;left:0;background:var(--surface);padding-right:12px;
  font-size:11px;font-weight:700;letter-spacing:.12em;color:var(--accent);
}
.proc-step h3{font-size:15.5px;margin-bottom:9px}
.proc-step p{font-size:13.5px;color:var(--muted);line-height:1.66}
.proc-step .meta{display:block;margin-top:12px;font-size:12.5px;font-weight:600;color:var(--ink-soft)}

/* ---------- split / QC ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:68px;align-items:center}
.split img{
  width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:6px;
  border:1px solid var(--line-strong);box-shadow:0 44px 88px -50px rgba(0,0,0,.95);
}
.check{list-style:none;display:flex;flex-direction:column;gap:17px;margin-top:30px}
.check li{display:flex;gap:13px;font-size:14.5px;line-height:1.6;color:var(--ink-soft)}
.check svg{flex:0 0 19px;width:19px;height:19px;margin-top:3px;stroke:var(--accent);fill:none;stroke-width:2.4}
.check strong{font-weight:600;color:var(--ink)}

/* ---------- photo strip (real factory) ---------- */
.strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:52px}
.strip figure{position:relative;border-radius:5px;overflow:hidden;border:1px solid var(--line);background:var(--surface-2)}
.strip img{width:100%;aspect-ratio:4/3;object-fit:cover;opacity:.88;transition:opacity .3s,transform .5s}
.strip figure:hover img{opacity:1;transform:scale(1.03)}
.strip figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:22px 12px 10px;
  font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);
  background:linear-gradient(180deg,transparent,rgba(8,13,20,.92));
}

/* ---------- faq ---------- */
.faq{max-width:820px;border-top:1px solid var(--line-strong)}
details{border-bottom:1px solid var(--line)}
summary{
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  padding:23px 0;font-size:16px;font-weight:600;cursor:pointer;list-style:none;
  transition:color .16s ease;color:var(--ink);
}
summary::-webkit-details-marker{display:none}
summary:hover{color:var(--accent)}
summary::after{
  content:'';flex:0 0 9px;width:9px;height:9px;
  border-right:1.6px solid var(--muted);border-bottom:1.6px solid var(--muted);
  transform:rotate(45deg);transition:transform .22s ease;margin-right:5px;
}
details[open] summary::after{transform:rotate(-135deg);border-color:var(--accent)}
details p{padding:0 44px 26px 0;color:var(--muted);font-size:14.5px;line-height:1.72}

/* ---------- final cta ---------- */
.cta{
  background:
    radial-gradient(760px 380px at 84% 14%, rgba(74,132,200,.11), transparent 62%),
    var(--surface);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-in{display:grid;grid-template-columns:1.12fr .88fr;gap:68px;align-items:center;padding:88px 0}
.cta h2{font-size:clamp(26px,3vw,37px);margin-bottom:18px;max-width:19ch}
.cta p{font-size:15.5px;color:var(--muted);max-width:46ch}
.cta-list{list-style:none;display:flex;flex-direction:column;gap:13px;margin-top:28px}
.cta-list li{display:flex;gap:11px;font-size:14px;color:var(--ink-soft)}
.cta-list svg{flex:0 0 16px;width:16px;height:16px;margin-top:3px;stroke:var(--accent);fill:none;stroke-width:2.5}
.form{
  background:linear-gradient(180deg,var(--surface-2),var(--surface));
  border:1px solid var(--line-strong);border-radius:7px;padding:30px;
  box-shadow:0 44px 88px -52px rgba(0,0,0,.95);
}
.form h3{font-size:15.5px;margin-bottom:4px}
.form .sub{font-size:12.5px;color:var(--faint);margin-bottom:22px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;font-weight:600;color:var(--ink-soft);margin-bottom:7px;letter-spacing:.02em}
.field input,.field select,.field textarea{
  width:100%;height:45px;padding:0 13px;font:inherit;font-size:14px;color:var(--ink);
  border:1px solid var(--line-strong);border-radius:var(--radius);
  background:rgba(0,0,0,.3);
  transition:border-color .15s ease,box-shadow .15s ease,background .15s ease;
}
.field textarea{height:86px;padding:11px 13px;resize:vertical;line-height:1.55}
.field input::placeholder,.field textarea::placeholder{color:#5B6B7C}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(216,169,74,.6);background:rgba(0,0,0,.42);
  box-shadow:0 0 0 3px rgba(216,169,74,.13);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 21px,calc(100% - 13px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field select option{background:#0C131B;color:var(--ink)}
.form .btn{width:100%;justify-content:center;margin-top:8px}
.form .fine{font-size:11.5px;color:var(--faint);margin-top:14px;line-height:1.55;text-align:center}

/* ---------- footer ---------- */
.ftr{background:#070B11;padding:68px 0 34px;border-top:1px solid var(--line)}
.ftr-top{display:grid;grid-template-columns:1.55fr 1fr 1fr 1fr;gap:48px;padding-bottom:44px;border-bottom:1px solid var(--line)}
.ftr-brand p{font-size:13.5px;color:var(--muted);margin-top:18px;max-width:34ch;line-height:1.68}
.ftr h4{font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin-bottom:18px}
.ftr ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.ftr li a,.ftr li span{font-size:13.5px;color:var(--ink-soft);transition:color .15s}
.ftr li a:hover{color:var(--accent)}
.social{display:flex;gap:9px;margin-top:24px}
.social a{
  width:36px;height:36px;border-radius:var(--radius);
  border:1px solid var(--line-strong);background:rgba(255,255,255,.025);
  display:grid;place-items:center;
  transition:border-color .16s,background .16s,transform .16s;
}
.social a:hover{border-color:rgba(216,169,74,.55);background:var(--accent-soft);transform:translateY(-1px)}
.social svg{width:15px;height:15px;fill:var(--ink-soft);transition:fill .16s}
.social a:hover svg{fill:var(--accent)}
.ftr-bot{display:flex;justify-content:space-between;gap:24px;padding-top:26px;flex-wrap:wrap;align-items:center}
.ftr-bot p{font-size:12.5px;color:var(--faint)}
.ftr-bot .legal{font-size:12px;color:var(--faint);max-width:62ch;line-height:1.55}

/* ---------- line router (two doors) ---------- */
.lines{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.door{
  position:relative;display:flex;flex-direction:column;padding:36px 34px 30px;
  border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(162deg,var(--surface-2) 0%,var(--surface) 78%);
  transition:border-color .18s ease,transform .18s ease,background .18s ease;
}
.door:hover{border-color:var(--line-strong);transform:translateY(-2px);background:linear-gradient(162deg,var(--surface-3) 0%,var(--surface) 78%)}
.door.is-lead{border-color:rgba(216,169,74,.32);background:linear-gradient(162deg,rgba(216,169,74,.06) 0%,var(--surface) 72%)}
.door.is-lead:hover{border-color:rgba(216,169,74,.55)}
.door-flag{
  position:absolute;top:-1px;right:26px;padding:4px 10px;border-radius:0 0 3px 3px;
  background:var(--accent);color:#080D14;font-size:9.5px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;
}
.door-idx{font-size:10.5px;font-weight:700;letter-spacing:.17em;text-transform:uppercase;color:var(--accent);margin-bottom:15px}
.door h3{font-size:22.5px;line-height:1.28;letter-spacing:-.024em;margin-bottom:11px}
.door-for{font-size:13.8px;line-height:1.66;color:var(--muted);margin-bottom:24px;max-width:40ch}
.door-specs{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);padding-top:19px;margin-top:auto;margin-bottom:24px}
.door-specs>div{padding-right:10px}
.door-specs>div+div{border-left:1px solid var(--line);padding-left:16px}
.door-specs .n{display:block;font-size:18px;font-weight:600;letter-spacing:-.02em;color:var(--ink);font-variant-numeric:tabular-nums}
.door-specs .n sub{font-size:.62em;vertical-align:-.15em}
.door-specs .l{display:block;margin-top:5px;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint)}
.door-go{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:600;color:var(--ink)}
.door-go::after{content:'→';color:var(--accent);transition:transform .18s ease}
.door:hover .door-go::after{transform:translateX(4px)}

/* ---------- helper: which one ---------- */
.helpers{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}
.helper{
  display:flex;gap:14px;align-items:flex-start;padding:19px 21px;
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(255,255,255,.014);
}
.helper svg{width:17px;height:17px;flex:none;margin-top:2px;stroke:var(--accent);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.helper p{font-size:13.2px;line-height:1.6;color:var(--muted);margin:0}
.helper b{display:block;color:var(--ink);font-weight:600;font-size:13.8px;margin-bottom:3px}
.helper a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(216,169,74,.3);padding-bottom:1px}
.helper a:hover{border-color:var(--accent)}

/* ---------- secondary range (de-emphasised) ---------- */
.range-hd{display:flex;align-items:baseline;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:20px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.range-hd p{font-size:13.5px;color:var(--muted);max-width:60ch;line-height:1.62}
.mini-range{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.mini-range a{display:block;padding:19px 21px;background:var(--bg);transition:background .16s ease}
.mini-range a:hover{background:var(--surface-2)}
.mini-range .t{display:block;font-size:13.5px;font-weight:600;color:var(--ink-soft);margin-bottom:5px;letter-spacing:-.01em}
.mini-range .m{display:block;font-size:11.8px;color:var(--faint);font-variant-numeric:tabular-nums}
.mini-range a:hover .t{color:var(--ink)}

/* evidence shot: real photo, shown whole, not cropped to look like a studio render */
.evidence{position:relative;border:1px solid var(--line-strong);border-radius:6px;background:var(--surface-2);padding:14px;box-shadow:0 40px 80px -54px rgba(0,0,0,.95)}
.evidence img{width:100%;height:auto;display:block;border-radius:3px;object-fit:contain}
.evidence figcaption{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:13px;padding-top:11px;border-top:1px solid var(--line);
  font-size:11.5px;color:var(--faint);letter-spacing:.02em;
}
.evidence figcaption b{color:var(--ink-soft);font-weight:600}

/* ---------- data table ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:13.4px}
.tbl th{
  text-align:left;padding:0 18px 13px 0;border-bottom:1px solid var(--line-strong);
  font-size:10px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--faint);
}
.tbl td{padding:15px 18px 15px 0;border-bottom:1px solid var(--line);color:var(--muted);vertical-align:top;line-height:1.55}
.tbl td:first-child{color:var(--ink-soft);font-weight:600;white-space:nowrap}
.tbl tbody tr:hover td{background:rgba(255,255,255,.014)}
.tbl .num{font-variant-numeric:tabular-nums;color:var(--ink)}
.tbl .yes{color:var(--accent);font-weight:600}
.tbl .no{color:var(--faint)}
.tbl-wrap{border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px 8px;background:rgba(255,255,255,.012)}
.note{font-size:12.4px;line-height:1.62;color:var(--faint);margin-top:16px;max-width:72ch}
.note a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(216,169,74,.3)}

/* ---------- hero spec panel ---------- */
.hero-panel{
  border:1px solid var(--line-strong);border-radius:6px;background:var(--surface);
  box-shadow:0 44px 90px -44px rgba(0,0,0,.95);overflow:hidden;
}
.hp-head{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:16px 22px;border-bottom:1px solid var(--line);
  font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--faint);font-weight:600;
}
.hp-badge{color:var(--accent);letter-spacing:.07em;white-space:nowrap}
.hp-item{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:19px 22px;border-bottom:1px solid var(--line)}
.hp-k{font-size:14px;color:var(--muted)}
.hp-v{font-size:26px;font-weight:600;letter-spacing:-.025em;font-variant-numeric:tabular-nums;white-space:nowrap}
.hp-v small{font-size:12.5px;font-weight:500;color:var(--faint);margin-left:4px;letter-spacing:0}
.hp-foot{padding:15px 22px;font-size:12.5px;color:var(--faint);line-height:1.5;background:rgba(255,255,255,.015)}
@media(max-width:620px){
  .hp-v{font-size:22px}
  .hp-item{padding:15px 18px}
  .hp-head,.hp-foot{padding-left:18px;padding-right:18px}
  .hp-badge{display:none}
}

/* ---------- quality gates ---------- */
.gates{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.gate{background:var(--bg);padding:28px 24px}
.gate-n{display:block;font-size:11.5px;font-weight:600;letter-spacing:.1em;color:var(--faint);margin-bottom:16px}
.gate h3{font-size:15.5px;margin-bottom:10px;letter-spacing:-.01em}
.gate p{font-size:13.5px;line-height:1.62;color:var(--muted)}
@media(max-width:980px){.gates{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.gates{grid-template-columns:1fr}}

/* ---------- stat cards ---------- */
.fstats{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.fstat{background:var(--bg);padding:24px}
.fstat b{display:block;font-size:32px;font-weight:600;letter-spacing:-.025em;line-height:1;font-variant-numeric:tabular-nums}
.fstat span{display:block;margin-top:9px;font-size:13px;line-height:1.55;color:var(--muted)}

/* ---------- fact strip under a page hero ---------- */
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:44px}
.facts>div{background:var(--bg);padding:22px 24px}
.facts .n{display:block;font-size:19px;font-weight:600;color:var(--ink);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.facts .n sub{font-size:.6em;vertical-align:-.18em}
.facts .l{display:block;margin-top:6px;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint)}

/* ---------- two model cards on a line page ---------- */
.models{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.model{border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;background:linear-gradient(162deg,var(--surface-2),var(--surface) 80%)}
.model-hd{display:flex;justify-content:space-between;align-items:baseline;gap:14px;margin-bottom:6px}
.model-hd h3{font-size:18px;letter-spacing:-.02em}
.model-hd .tag{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-weight:700;white-space:nowrap}
.model>p{font-size:13.4px;line-height:1.62;color:var(--muted);margin-bottom:20px}
.model .kv{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-top:1px solid var(--line);font-size:13px}
.model .kv span:first-child{color:var(--faint)}
.model .kv span:last-child{color:var(--ink-soft);font-variant-numeric:tabular-nums;text-align:right}
.model ul.pts{list-style:none;margin:16px 0 0;padding:0}
.model ul.pts li{position:relative;padding-left:16px;font-size:13px;line-height:1.6;color:var(--muted);margin-bottom:7px}
.model ul.pts li::before{content:'';position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--accent-dim)}

/* ---------- swatches ---------- */
.swatches{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.swatch{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);border:1px solid var(--line);border-radius:100px;padding:7px 14px 7px 9px}
.swatch i{width:12px;height:12px;border-radius:50%;display:block;border:1px solid rgba(255,255,255,.18)}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .nav{display:none}
  .burger{display:grid;place-items:center}
  .hdr .btn{display:none}
  .hero-grid,.split,.cta-in{grid-template-columns:1fr;gap:44px}
  .prod-grid,.why-grid{grid-template-columns:repeat(2,1fr)}
  .why-item+.why-item{border-left:0;padding-left:0}
  .why-item{border-top:1px solid var(--line);padding-top:30px}
  .why-item:first-child{border-top:0;padding-top:0}
  .app-grid,.proc,.strip{grid-template-columns:repeat(2,1fr)}
  .lines,.helpers{grid-template-columns:1fr}
  .mini-range{grid-template-columns:repeat(2,1fr)}
  .facts{grid-template-columns:repeat(2,1fr)}
  .models{grid-template-columns:1fr}
  .ftr-top{grid-template-columns:1fr 1fr;gap:38px}
  .sec{padding:76px 0}
  .hero{padding:56px 0 0}
}
@media (max-width:620px){
  .wrap{padding:0 20px}
  .hero h1{font-size:33px;max-width:none;letter-spacing:-.03em}
  .prod-grid,.app-grid,.proc,.ftr-top,.strip,.mini-range{grid-template-columns:1fr}
  .door{padding:28px 22px 26px}
  .door h3{font-size:20px}
  .door-specs .n{font-size:16px}
  .range-hd{gap:12px}
  .sec{padding:60px 0}
  .sec-head{margin-bottom:38px}
  .trust-in{gap:14px}
  .btn{height:46px}
  .cta-in{padding:60px 0}
  .hero-grid{padding-bottom:56px}
}

/* ---------- floating WhatsApp button ---------- */
.wa-fab{
  position:fixed;right:24px;bottom:24px;z-index:95;
  display:inline-flex;align-items:center;
  height:54px;padding:0 15px;border-radius:999px;
  background:#25D366;color:#07301A;
  box-shadow:0 12px 30px rgba(0,0,0,.55),0 2px 6px rgba(0,0,0,.35),0 0 0 1px rgba(255,255,255,.14) inset;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
}
.wa-fab svg{width:26px;height:26px;flex:0 0 auto;display:block;fill:#fff}
.wa-fab .wa-txt{
  max-width:0;overflow:hidden;white-space:nowrap;opacity:0;
  font-size:13.5px;font-weight:600;letter-spacing:.01em;color:#fff;
  transition:max-width .26s ease,opacity .16s ease,margin-left .26s ease;
}
.wa-fab:hover{background:#1FBE5B;transform:translateY(-2px);box-shadow:0 16px 38px rgba(0,0,0,.6),0 2px 6px rgba(0,0,0,.35),0 0 0 1px rgba(255,255,255,.18) inset}
.wa-fab:hover .wa-txt{max-width:150px;opacity:1;margin-left:9px}
.wa-fab:active{transform:translateY(0)}
.wa-fab:focus-visible{outline:2px solid #fff;outline-offset:3px}

@media (max-width:980px){
  .wa-fab{right:18px;bottom:18px}
  /* 给固定按钮留出高度，免得滚到底时压住页脚最后一行 */
  .ftr{padding-bottom:96px}
}
@media (max-width:620px){
  .wa-fab{right:14px;bottom:14px;height:46px;padding:0 12px}
  .wa-fab svg{width:22px;height:22px}
  .wa-fab .wa-txt{max-width:120px;opacity:1;margin-left:7px;font-size:12.5px}
}
@media (prefers-reduced-motion:reduce){
  .wa-fab,.wa-fab .wa-txt{transition:none}
  .wa-fab:hover{transform:none}
}

/* =====================================================================
   v4 · 站点扩展组件（内页 hero / 卡片 / 表格 / 计算器 / 表单 / 长文）
   ===================================================================== */

/* ---------- 页内导航与面包屑 ---------- */
.burger{display:none}
.nav{gap:24px}
.nav a{font-size:13.5px}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12.5px;color:var(--faint);margin-bottom:26px;letter-spacing:.015em}
.crumb .sep{color:var(--faint);opacity:.55}
.crumb a{color:var(--muted);transition:color .15s ease}
.crumb a:hover{color:var(--ink)}
.crumb [aria-current]{color:var(--ink-soft)}

/* ---------- 内页 hero ---------- */
.phero{padding:58px 0 54px;position:relative;border-bottom:1px solid var(--line);overflow:hidden}
.phero::after{content:'';position:absolute;inset:-40% -10% auto 45%;height:460px;pointer-events:none;
  background:radial-gradient(520px 300px at 50% 40%,rgba(74,132,200,.12),transparent 70%)}
.phero .wrap{position:relative;z-index:1}
.phero h1{font-size:clamp(29px,3.6vw,45px);max-width:23ch;letter-spacing:-.028em}
.phero .lede{margin-top:18px;font-size:16.5px;line-height:1.66;color:var(--ink-soft);max-width:63ch}
.phero .lede strong{color:var(--ink);font-weight:600}
.phero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.phero-note{margin-top:16px;font-size:12.5px;color:var(--faint);letter-spacing:.01em}

/* ---------- 直答块（GEO：可被直接抽取的一段） ---------- */
.answer{border-left:2px solid var(--accent);padding:2px 0 2px 18px;margin-top:22px;
  font-size:16px;line-height:1.66;color:var(--ink-soft);max-width:66ch}
.answer b{color:var(--ink);font-weight:600}

/* ---------- 栅格 ---------- */
.g2{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:6px;overflow:hidden}
.g4>*{background:var(--bg);padding:26px 24px}
.g2.tight,.g3.tight{gap:14px}
.split-l{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start}
.split-l.flip{grid-template-columns:.85fr 1.15fr}

/* ---------- 通用卡片 ---------- */
.tile{border:1px solid var(--line);border-radius:6px;padding:26px 24px;display:flex;flex-direction:column;
  background:linear-gradient(180deg,rgba(255,255,255,.022),transparent 65%);
  transition:border-color .18s ease,transform .18s ease,background .18s ease;display:block}
a.tile:hover{border-color:var(--line-strong);transform:translateY(-2px);background:linear-gradient(180deg,rgba(255,255,255,.045),transparent 65%)}
.tile .n{display:block;font-size:11.5px;letter-spacing:.12em;color:var(--accent);margin-bottom:14px;font-weight:600}
.tile h3{font-size:17.5px;margin-bottom:10px}
.tile p{font-size:14px;line-height:1.6;color:var(--muted)}
.tile .go{display:inline-flex;align-items:center;gap:6px;margin-top:auto;padding-top:16px;font-size:13px;font-weight:600;color:var(--ink-soft)}
.tile .go::after{content:'→';transition:transform .18s ease;display:inline-block}
a.tile:hover .go{color:var(--ink)}
a.tile:hover .go::after{transform:translateX(3px)}

/* ---------- 规格小表 ---------- */
.kvlist{border-top:1px solid var(--line)}
.kvlist>div{display:flex;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}
.kvlist dt,.kvlist .k{color:var(--muted)}
.kvlist dd,.kvlist .v{color:var(--ink);font-weight:600;text-align:right;font-variant-numeric:tabular-nums}
.kvlist .v small{display:block;font-weight:400;font-size:12px;color:var(--faint);margin-top:2px}

/* ---------- 编号流程 ---------- */
.steps{list-style:none;counter-reset:s;margin-top:8px}
.steps>li{position:relative;padding:2px 0 30px 56px;margin-left:16px;border-left:1px solid var(--line)}
.steps>li:last-child{border-left-color:transparent;padding-bottom:0}
.steps>li::before{counter-increment:s;content:counter(s,decimal-leading-zero);
  position:absolute;left:-17px;top:-2px;width:34px;height:34px;border-radius:50%;
  background:var(--surface-2);border:1px solid var(--line-strong);
  display:grid;place-items:center;font-size:11.5px;font-weight:600;color:var(--accent);
  font-variant-numeric:tabular-nums}
.steps h3{font-size:16.5px;margin-bottom:8px}
.steps p{font-size:14px;line-height:1.62;color:var(--muted);max-width:62ch}

/* ---------- 徽章组 ---------- */
.badges{display:flex;flex-wrap:wrap;gap:10px}
.badge{border:1px solid var(--line-strong);border-radius:4px;padding:9px 14px;font-size:12.5px;
  font-weight:600;letter-spacing:.02em;color:var(--ink-soft);background:rgba(255,255,255,.02)}
.badge small{display:block;font-weight:400;font-size:11px;color:var(--faint);letter-spacing:0;margin-top:3px}

/* ---------- 对比表 ---------- */
.cmp{width:100%;border-collapse:collapse;font-size:13.5px}
.cmp th,.cmp td{padding:13px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.cmp thead th{font-size:11.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--faint);font-weight:600;
  border-bottom:1px solid var(--line-strong);white-space:nowrap}
.cmp tbody th{font-weight:500;color:var(--ink-soft);width:26%}
.cmp td{color:var(--muted)}
.cmp td:first-of-type{color:var(--ink-soft)}
.cmp tbody tr:hover td,.cmp tbody tr:hover th{background:rgba(255,255,255,.018)}
.cmp .yes{color:#7FD1A0}
.cmp .no{color:#D08A8A}
.cmp .num{font-variant-numeric:tabular-nums;color:var(--ink)}
.cmp-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:6px}
.cmp-wrap .cmp th:first-child,.cmp-wrap .cmp td:first-child{padding-left:20px}
.cmp-wrap .cmp th:last-child,.cmp-wrap .cmp td:last-child{padding-right:20px}

/* ---------- 认证卡 ---------- */
.cert-card{border:1px solid var(--line);border-radius:6px;padding:24px;display:flex;flex-direction:column;gap:10px}
.cert-card .mark{font-size:19px;font-weight:600;letter-spacing:-.01em}
.cert-card .scope{font-size:12px;color:var(--accent);letter-spacing:.04em;text-transform:uppercase;font-weight:600}
.cert-card p{font-size:13.5px;line-height:1.6;color:var(--muted)}
.cert-card .meta{font-size:12px;color:var(--faint);border-top:1px solid var(--line);padding-top:12px;margin-top:auto}

/* ---------- 计算器 ---------- */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);
  border:1px solid var(--line-strong);border-radius:8px;overflow:hidden}
.calc-in{background:var(--surface);padding:30px}
.calc-out{background:linear-gradient(180deg,var(--surface-2),var(--surface));padding:30px;display:flex;flex-direction:column}
.calc label{display:block;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:9px}
.calc .row{margin-bottom:20px}
.calc input[type=number],.calc select{width:100%;height:46px;padding:0 13px;font:inherit;font-size:15px;
  color:var(--ink);background:rgba(0,0,0,.32);border:1px solid var(--line-strong);border-radius:5px;
  font-variant-numeric:tabular-nums}
.calc input[type=range]{width:100%;accent-color:var(--accent)}
.calc .out-big{font-size:48px;font-weight:600;letter-spacing:-.035em;line-height:1;font-variant-numeric:tabular-nums}
.calc .out-big small{font-size:16px;font-weight:500;color:var(--muted);letter-spacing:0;margin-left:6px}
.calc .out-lbl{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:14px}
.calc .out-note{font-size:13px;color:var(--muted);line-height:1.6;margin-top:16px}
.calc .out-rec{margin-top:auto;padding-top:22px;border-top:1px solid var(--line);font-size:13.5px;color:var(--ink-soft)}
.calc .out-rec b{color:var(--ink)}
.calc .hint{font-size:12px;color:var(--faint);margin-top:8px}

/* ---------- 表单（询盘） ---------- */
.rfq{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.rfq .full{grid-column:1/-1}
.rfq .field label{display:block;font-size:12px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;
  color:var(--muted);margin-bottom:8px}
.rfq .field label span{text-transform:none;letter-spacing:0;font-weight:400;color:var(--faint)}
.rfq textarea{min-height:120px;padding:12px 13px;line-height:1.55;resize:vertical}
.rfq .consent{font-size:12px;color:var(--faint);line-height:1.55}
.rfq .consent a{color:var(--ink-soft);text-decoration:underline;text-underline-offset:2px}

/* ---------- 长文（guide） ---------- */
.prose{max-width:70ch;font-size:16px;line-height:1.75;color:var(--ink-soft)}
.prose>*+*{margin-top:20px}
.prose h2{font-size:26px;margin-top:46px;color:var(--ink);letter-spacing:-.024em}
.prose h3{font-size:18px;margin-top:32px;color:var(--ink)}
.prose p{color:var(--ink-soft)}
.prose strong{color:var(--ink);font-weight:600}
.prose ul,.prose ol{padding-left:22px;color:var(--ink-soft)}
.prose li+li{margin-top:8px}
.prose li::marker{color:var(--accent)}
.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose table{width:100%;border-collapse:collapse;font-size:14px;margin-top:26px}
.prose th,.prose td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left}
.prose thead th{font-size:11.5px;text-transform:uppercase;letter-spacing:.09em;color:var(--faint)}
.prose td{color:var(--ink-soft);font-variant-numeric:tabular-nums}
.prose blockquote{border-left:2px solid var(--accent);padding-left:18px;color:var(--ink-soft);font-size:16px}
.prose .callout{border:1px solid var(--line-strong);border-radius:6px;padding:20px 22px;background:var(--surface);font-size:14.5px}
.prose .callout b{display:block;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
.art-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:12.5px;color:var(--faint);margin-top:22px}
.art-head{padding:58px 0 44px;border-bottom:1px solid var(--line)}
.art-head h1{font-size:clamp(27px,3.4vw,40px);max-width:26ch;letter-spacing:-.028em}
.art-body{padding:56px 0 72px}
.art-aside{position:sticky;top:96px;border:1px solid var(--line);border-radius:6px;padding:24px;background:var(--surface)}
.art-aside h3{font-size:14px;margin-bottom:14px}
.art-aside ul{list-style:none;font-size:13px}
.art-aside li+li{margin-top:10px}
.art-aside a{color:var(--muted)}
.art-aside a:hover{color:var(--ink)}

/* ---------- 页脚 5 列 ---------- */
.ftr-top{grid-template-columns:1.5fr .8fr .95fr .8fr 1.05fr;gap:36px}
.ftr-bot .legal a{color:var(--muted)}
.ftr-bot .legal a:hover{color:var(--ink)}

/* ---------- 分页式 CTA 带 ---------- */
.band{padding:64px 0}
.band-in{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.band h2{font-size:clamp(24px,2.6vw,32px);max-width:22ch}
.band p{color:var(--muted);font-size:14.5px;margin-top:12px;max-width:52ch}
.band .btns{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 响应式 ---------- */
@media (max-width:1120px){
  .nav{gap:16px}
  .nav a{font-size:13px}
}
@media (max-width:980px){
  .nav{display:none}
  .hdr .hdr-cta{display:none}
  .burger{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
    border:1px solid var(--line-strong);border-radius:5px;margin-left:auto}
  .hdr.nav-open .nav{display:flex;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;
    background:#0A1119;border-bottom:1px solid var(--line);padding:6px 0 10px;box-shadow:0 30px 60px -30px #000}
  .hdr.nav-open .nav a{padding:14px 32px;font-size:14.5px;border-bottom:1px solid var(--line)}
  .hdr.nav-open .hdr-cta{display:inline-flex;position:absolute;left:32px;right:32px;top:calc(100% + 340px);z-index:2}
  .phero{padding:44px 0 40px}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .g4{gap:1px}
  .split-l,.split-l.flip{grid-template-columns:1fr;gap:32px}
  .calc{grid-template-columns:1fr}
  .rfq{grid-template-columns:1fr}
  .ftr-top{grid-template-columns:1fr 1fr;gap:34px}
  .band-in{flex-direction:column;align-items:flex-start;gap:26px}
}
@media (max-width:620px){
  .sec{padding:64px 0}
  .wrap{padding:0 20px}
  .phero{padding:34px 0 34px}
  .phero h1{font-size:26px}
  .ftr-top{grid-template-columns:1fr}
  .cmp{font-size:12.5px}
  .prose{font-size:15.5px}
  .calc-in,.calc-out{padding:22px}
  .calc .out-big{font-size:38px}
}

/* ---------- 长文分块 ---------- */
.prose .blk+.blk{margin-top:44px}
.prose .blk>h2:first-child{margin-top:0}
.prose .blk>*+*{margin-top:16px}
.prose em{font-style:normal;color:var(--ink);font-weight:600}
.prose .blk ul{margin-top:14px}

/* ---------- aside 型号清单 ---------- */
.modlist{border-top:1px solid var(--line);margin-top:4px}
.modlist>div{padding:12px 0;border-bottom:1px solid var(--line)}
.modlist b{display:block;font-size:13px;font-weight:600;color:var(--ink);letter-spacing:.01em}
.modlist a:hover b{color:var(--accent)}
.modlist span{display:block;font-size:12.5px;color:var(--muted);line-height:1.5;margin-top:3px}

/* ---------- 移动端：悬浮按钮改为纯图标，避免压住 CTA ---------- */
@media (max-width:620px){
  .wa-fab{width:52px;height:52px;padding:0;justify-content:center;right:16px;bottom:16px}
  .wa-fab .wa-txt{display:none}
  .wa-fab svg{width:24px;height:24px}
}

/* ---------- 移动端：CTA 放进菜单面板内，取消绝对定位 ---------- */
.nav-cta{display:none}
@media (max-width:980px){
  .hdr .nav-cta{display:inline-flex;justify-content:center;margin:16px 32px 10px;align-self:flex-start}
  .hdr.nav-open .nav-cta{border-bottom:0}
  .hdr.nav-open .hdr-cta{display:none!important}
}

/* 菜单内的 CTA 需要压过 .nav a 的颜色 */
.hdr .nav-cta{color:var(--btn-fg);font-weight:600}
.hdr .nav-cta:hover{color:var(--btn-fg)}

/* 按钮在带 a 规则的容器里（侧栏、卡片、正文）保持深色字 */
a.btn-primary,a.btn-primary:visited{color:var(--btn-fg)}
a.btn-primary:hover{color:var(--btn-fg)}