:root{
  --ink:#131a24; --ink-2:#2a3647; --muted:#5d6b7f; --line:#e3e7ee;
  --bg:#ffffff; --bg-2:#f6f8fb; --bg-3:#eef2f7;
  --brand:#0f4c81; --brand-2:#15629f; --brand-soft:#e8f0f8;
  --accent:#c2562f; --accent-2:#e0703f; --accent-soft:#fdefe7;
  --ok:#1c7a52; --ok-soft:#e6f4ed; --warn:#9a6b12; --warn-soft:#fdf3df;
  --shadow:0 1px 2px rgba(16,24,40,.05),0 8px 28px -12px rgba(16,24,40,.16);
  --shadow-lg:0 24px 60px -24px rgba(15,76,129,.32);
  --r:14px; --r-sm:10px; --r-lg:22px;
  --ff:"Inter","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --fs:17px; --maxw:1160px;
}
@media (prefers-color-scheme: dark){
  :root{
    --ink:#eaeef5; --ink-2:#cfd8e6; --muted:#93a1b5; --line:#25303f;
    --bg:#0e131a; --bg-2:#141b25; --bg-3:#1a2330;
    --brand:#5aa6e0; --brand-2:#7bbaee; --brand-soft:#132433;
    --accent:#f0885a; --accent-2:#ff9d74; --accent-soft:#2a1a13;
    --ok:#5fd3a0; --ok-soft:#13291f; --warn:#e9c46a; --warn-soft:#2a2313;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px -14px rgba(0,0,0,.7);
    --shadow-lg:0 24px 60px -24px rgba(0,0,0,.8);
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden}
body{overflow-x:hidden}
body{margin:0;font-family:var(--ff);font-size:var(--fs);line-height:1.68;color:var(--ink);background:var(--bg);
  font-feature-settings:"kern","liga";-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
h1,h2,h3,h4{line-height:1.22;letter-spacing:-.02em;margin:0 0 .5em;font-weight:780}
h1{font-size:clamp(1.9rem,1.2rem + 2.6vw,3.1rem)}
h2{font-size:clamp(1.42rem,1.05rem + 1.3vw,2.05rem);margin-top:2.2em}
h3{font-size:clamp(1.12rem,1rem + .5vw,1.35rem);margin-top:1.6em}
p{margin:0 0 1.05em}
ul,ol{margin:0 0 1.2em;padding-left:1.25em}
li{margin-bottom:.45em}
strong{font-weight:680;color:var(--ink)}
.lead{font-size:1.14em;color:var(--ink-2)}
.muted{color:var(--muted)}
.small{font-size:.87rem}

/* ---------- header ---------- */
header.site{position:sticky;top:0;z-index:60;background:color-mix(in srgb,var(--bg) 86%,transparent);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.03em;color:var(--ink);font-size:1.06rem;flex-shrink:0}
.logo:hover{text-decoration:none}
.logo svg{width:32px;height:32px;flex-shrink:0}
.logo span i{font-style:normal;color:var(--accent)}
.nav-links{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav-links a{color:var(--ink-2);font-size:.94rem;font-weight:560;padding:9px 12px;border-radius:9px;transition:.16s}
.nav-links a:hover{background:var(--bg-3);text-decoration:none;color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:680;font-size:.95rem;
  padding:12px 20px;border-radius:11px;border:1px solid transparent;cursor:pointer;transition:.18s;text-align:center;font-family:inherit}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;box-shadow:0 6px 18px -6px rgba(194,86,47,.6)}
.btn-primary:hover{text-decoration:none;transform:translateY(-1px);box-shadow:0 12px 26px -8px rgba(194,86,47,.66)}
.btn-ghost{background:var(--bg);border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{text-decoration:none;border-color:var(--brand);color:var(--brand)}
.btn-lg{padding:15px 28px;font-size:1.02rem}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:10px;padding:9px 11px;cursor:pointer}
.burger span{display:block;width:19px;height:2px;background:var(--ink);margin:4px 0;border-radius:2px;transition:.2s}
@media(max-width:940px){
  .nav-links{position:fixed;inset:68px 0 auto;flex-direction:column;background:var(--bg);border-bottom:1px solid var(--line);
    padding:12px 20px 20px;gap:0;display:none;max-height:calc(100vh - 68px);overflow:auto}
  .nav-links.open{display:flex}
  .nav-links a{width:100%;padding:13px 6px;border-bottom:1px solid var(--line)}
  .nav-links .btn{margin-top:12px;width:100%}
  .burger{display:block}
  .nav .btn-primary{display:none}
  .nav-links.open .btn-primary{display:inline-flex}
}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:
   radial-gradient(900px 420px at 82% -12%, var(--brand-soft), transparent 62%),
   radial-gradient(700px 340px at 8% 0%, var(--accent-soft), transparent 58%);
   border-bottom:1px solid var(--line)}
.hero-in{padding:54px 0 44px;position:relative;z-index:2}
.hero h1{margin-bottom:.42em}
.hero .lead{max-width:64ch}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.skyline{position:absolute;left:0;right:0;bottom:-1px;height:130px;z-index:1;opacity:.5;pointer-events:none}
.skyline path{animation:drift 22s ease-in-out infinite alternate}
.skyline path:nth-child(2){animation-duration:29s}
.skyline path:nth-child(3){animation-duration:36s}
@keyframes drift{from{transform:translateX(-10px)}to{transform:translateX(12px)}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- key stats ---------- */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(158px,100%),1fr));gap:12px;margin:26px 0 0}
.kpi{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;box-shadow:var(--shadow)}
.kpi b{display:block;font-size:1.55rem;font-weight:800;letter-spacing:-.03em;color:var(--brand);line-height:1.15}
.kpi small{display:block;color:var(--muted);font-size:.8rem;margin-top:3px;line-height:1.35}

/* ---------- layout ---------- */
main{padding:8px 0 40px}
.grid-2{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:44px;align-items:start}
.grid-2>*{min-width:0}
@media(max-width:1000px){.grid-2{grid-template-columns:1fr;gap:30px}}
aside.side{position:sticky;top:88px;display:flex;flex-direction:column;gap:18px}
@media(max-width:1000px){aside.side{position:static}}

/* ---------- crumbs ---------- */
.crumbs{font-size:.83rem;color:var(--muted);padding:16px 0 4px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs span[aria-hidden]{opacity:.5}

/* ---------- answer box (AEO/GEO) ---------- */
.answer{background:var(--brand-soft);border:1px solid color-mix(in srgb,var(--brand) 22%,transparent);
  border-left:4px solid var(--brand);border-radius:var(--r);padding:18px 22px;margin:22px 0 28px}
.answer h2,.answer h3{margin:0 0 .4em;font-size:1rem;text-transform:uppercase;letter-spacing:.06em;color:var(--brand)}
.answer p:last-child{margin-bottom:0}
.answer p{font-size:1.02rem;color:var(--ink)}

/* ---------- tables ---------- */
.tbl-wrap{overflow-x:auto;max-width:100%;margin:20px 0 26px;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:.94rem;background:var(--bg)}
caption{caption-side:top;text-align:left;padding:14px 18px 4px;font-weight:700;color:var(--ink)}
th,td{padding:11px 16px;text-align:left;border-bottom:1px solid var(--line)}
thead th{background:var(--bg-3);font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:680;white-space:nowrap}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--bg-2)}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.bar{position:relative;display:block;height:6px;border-radius:4px;background:var(--bg-3);overflow:hidden;margin-top:5px}
.bar i{position:absolute;inset:0 auto 0 0;background:linear-gradient(90deg,var(--brand),var(--accent));border-radius:4px;
  width:0;animation:grow 1.1s cubic-bezier(.2,.8,.2,1) forwards}
@keyframes grow{to{width:var(--w)}}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(232px,100%),1fr));gap:14px;margin:22px 0 28px}
.card{display:block;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;
  transition:.2s;box-shadow:var(--shadow);position:relative;overflow:hidden}
.card:hover{text-decoration:none;transform:translateY(-3px);border-color:color-mix(in srgb,var(--brand) 45%,var(--line));box-shadow:var(--shadow-lg)}
.card b{display:block;color:var(--ink);font-size:1.02rem;font-weight:700;margin-bottom:3px}
.card small{color:var(--muted);font-size:.83rem;display:block;line-height:1.45}
.card .px{color:var(--accent);font-weight:700;font-size:.9rem;margin-top:7px;display:block}
.card::after{content:"";position:absolute;inset:auto 0 0 0;height:3px;background:linear-gradient(90deg,var(--brand),var(--accent));
  transform:scaleX(0);transform-origin:0 50%;transition:.25s}
.card:hover::after{transform:scaleX(1)}

.box{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;margin:22px 0}
.box h3{margin-top:0}
.box.tip{background:var(--ok-soft);border-color:color-mix(in srgb,var(--ok) 30%,transparent)}
.box.warn{background:var(--warn-soft);border-color:color-mix(in srgb,var(--warn) 34%,transparent)}
.pill{display:inline-flex;align-items:center;gap:6px;background:var(--bg-3);border:1px solid var(--line);color:var(--ink-2);
  border-radius:999px;padding:4px 12px;font-size:.8rem;font-weight:600;margin:0 6px 8px 0}
.pill.a{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 30%,transparent);color:var(--accent)}
.pill.b{background:var(--brand-soft);border-color:color-mix(in srgb,var(--brand) 26%,transparent);color:var(--brand)}
.proscons{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:22px 0}
@media(max-width:620px){.proscons{grid-template-columns:1fr}}
.proscons>div{border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;background:var(--bg)}
.proscons ul{margin:0;padding-left:1.1em}
.proscons h3{margin:0 0 .5em;font-size:1rem}
.pro h3{color:var(--ok)} .con h3{color:var(--accent)}

/* ---------- chart ---------- */
.chart{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;margin:22px 0;box-shadow:var(--shadow)}
.chart svg{width:100%;height:auto;display:block;overflow:visible}
.chart .gl{stroke:var(--line);stroke-width:1}
.chart .ax{fill:var(--muted);font-size:11px}
.chart .ln{fill:none;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.chart .dt{stroke:var(--bg);stroke-width:2}
.ch-legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:14px;font-size:.84rem}
.ch-legend button{display:flex;align-items:center;gap:6px;background:none;border:1px solid var(--line);border-radius:999px;
  padding:5px 12px;cursor:pointer;font-family:inherit;font-size:.82rem;color:var(--ink-2);transition:.16s}
.ch-legend button[aria-pressed="false"]{opacity:.4}
.ch-legend i{width:10px;height:10px;border-radius:3px;display:inline-block}
.empty-note{background:var(--warn-soft);border:1px solid color-mix(in srgb,var(--warn) 34%,transparent);
  border-radius:var(--r);padding:16px 20px;margin:20px 0;font-size:.94rem}

/* ---------- listings ---------- */
.lst{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(258px,100%),1fr));gap:13px;margin:20px 0 14px}
.lst a{display:flex;flex-direction:column;gap:7px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);
  padding:15px 17px;box-shadow:var(--shadow);transition:.2s;position:relative}
.lst a:hover{text-decoration:none;transform:translateY(-2px);border-color:color-mix(in srgb,var(--brand) 45%,var(--line));box-shadow:var(--shadow-lg)}
.lst .p{font-size:1.22rem;font-weight:800;color:var(--brand);letter-spacing:-.02em;line-height:1.1}
.lst .t{font-size:.9rem;font-weight:650;color:var(--ink)}
.lst .m{font-size:.82rem;color:var(--muted);display:flex;gap:9px;flex-wrap:wrap}
.lst .m span{white-space:nowrap}
.lst .nb{position:absolute;top:13px;right:13px;background:var(--accent-soft);color:var(--accent);font-size:.68rem;
  font-weight:750;padding:3px 8px;border-radius:999px;border:1px solid color-mix(in srgb,var(--accent) 32%,transparent)}
.lst .ppm{font-size:.78rem;color:var(--muted);font-variant-numeric:tabular-nums}
.src-note{font-size:.82rem;color:var(--muted);background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-sm);padding:10px 14px;margin:0 0 24px}

/* ---------- reviews ---------- */
.reviews{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(290px,100%),1fr));gap:14px;margin:22px 0 28px}
.rev{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:9px}
.rev-top{display:flex;align-items:center;gap:11px}
.av{width:40px;height:40px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;font-weight:750;color:#fff;font-size:.95rem}
.rev-top b{display:block;font-size:.95rem;line-height:1.3}
.rev-top small{color:var(--muted);font-size:.78rem}
.stars{color:#e8a33d;letter-spacing:1px;font-size:.85rem}
.rev p{margin:0;font-size:.93rem;color:var(--ink-2);line-height:1.62}

/* ---------- faq ---------- */
.faq{margin:22px 0 30px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--bg)}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:none}
.faq summary{cursor:pointer;padding:16px 52px 16px 20px;font-weight:650;list-style:none;position:relative;transition:.15s;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:var(--bg-2)}
.faq summary::after{content:"";position:absolute;right:20px;top:50%;width:9px;height:9px;margin-top:-6px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:.22s}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:-2px}
.faq details[open] summary{color:var(--brand)}
.faq .a{padding:0 20px 18px;color:var(--ink-2);font-size:.96rem;animation:fade .3s ease}
.faq .a p:last-child{margin-bottom:0}
@keyframes fade{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---------- form ---------- */
.form-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.form-card::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--brand),var(--accent))}
.form-card h2,.form-card h3{margin-top:0}
.f-row{display:grid;gap:12px;margin-bottom:12px}
.f2{grid-template-columns:1fr 1fr}
@media(max-width:560px){.f2{grid-template-columns:1fr}}
label{display:block;font-size:.85rem;font-weight:640;margin-bottom:5px;color:var(--ink-2)}
input,select,textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-sm);font-size:1rem;
  font-family:inherit;background:var(--bg);color:var(--ink);transition:.16s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 18%,transparent)}
textarea{min-height:96px;resize:vertical}
.consent{display:flex;gap:9px;align-items:flex-start;font-size:.82rem;color:var(--muted);margin:6px 0 14px}
.consent input{width:auto;margin-top:3px;flex-shrink:0}
.form-note{font-size:.8rem;color:var(--muted);margin-top:10px;text-align:center}
.ok-msg{background:var(--ok-soft);border:1px solid color-mix(in srgb,var(--ok) 36%,transparent);color:var(--ok);
  padding:16px 18px;border-radius:var(--r);font-weight:600;margin-top:14px}
.err-msg{background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 36%,transparent);color:var(--accent);
  padding:14px 16px;border-radius:var(--r);margin-top:12px}
.hp{position:absolute!important;left:-9999px!important}

/* ---------- side widgets ---------- */
.side-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;box-shadow:var(--shadow)}
.side-card h3{margin:0 0 .6em;font-size:1.02rem}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{margin:0;border-bottom:1px solid var(--line)}
.side-list li:last-child{border-bottom:none}
.side-list a{display:flex;justify-content:space-between;gap:10px;padding:9px 0;font-size:.92rem;color:var(--ink-2)}
.side-list a:hover{color:var(--brand);text-decoration:none}
.side-list .v{color:var(--muted);font-size:.84rem;white-space:nowrap;font-variant-numeric:tabular-nums}

/* ---------- filter ---------- */
.filter{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 6px;align-items:center}
.filter input{max-width:320px}
.chip{background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:.87rem;
  cursor:pointer;font-weight:600;color:var(--ink-2);transition:.16s;font-family:inherit}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:#fff}
.count{color:var(--muted);font-size:.86rem;margin-left:auto}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(135deg,var(--brand),#0a3a63);color:#fff;border-radius:var(--r-lg);
  padding:36px 34px;margin:38px 0 8px;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.cta-band h2{margin:0 0 .35em;color:#fff;font-size:clamp(1.3rem,1.05rem + 1vw,1.85rem)}
.cta-band p{color:rgba(255,255,255,.88);max-width:56ch;margin-bottom:22px}
.cta-band .btn-primary{box-shadow:0 8px 24px -8px rgba(0,0,0,.5)}
.cta-band::after{content:"";position:absolute;width:340px;height:340px;right:-110px;top:-150px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.14),transparent 70%);animation:pulse 9s ease-in-out infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.16)}}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s cubic-bezier(.2,.8,.2,1)}
.rv.in{opacity:1;transform:none}

/* ---------- sticky mobile bar ---------- */
.mbar{display:none}
@media(max-width:760px){
  .mbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;gap:10px;padding:10px 14px calc(10px + env(safe-area-inset-bottom));
    background:color-mix(in srgb,var(--bg) 94%,transparent);backdrop-filter:blur(12px);border-top:1px solid var(--line)}
  .mbar .btn{flex:1;padding:13px 12px;font-size:.94rem}
  body{padding-bottom:74px}
}

/* ---------- search ---------- */
.sbtn{display:inline-flex;align-items:center;gap:7px;background:var(--bg-2);border:1px solid var(--line);
  border-radius:10px;padding:8px 12px;cursor:pointer;color:var(--muted);font-family:inherit;font-size:.87rem;
  transition:.16s;flex-shrink:0}
.sbtn:hover{border-color:var(--brand);color:var(--brand)}
.sbtn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2}
.sbtn kbd{background:var(--bg);border:1px solid var(--line);border-radius:5px;padding:1px 6px;font-size:.72rem;
  font-family:inherit;color:var(--muted)}
@media(max-width:940px){.sbtn span,.sbtn kbd{display:none}.sbtn{padding:9px 11px;margin-left:auto}}
.sov{position:fixed;inset:0;z-index:200;background:rgba(10,16,24,.55);backdrop-filter:blur(3px);
  display:none;align-items:flex-start;justify-content:center;padding:8vh 16px 16px}
.sov.open{display:flex}
.sbox{width:100%;max-width:640px;background:var(--bg);border:1px solid var(--line);border-radius:16px;
  box-shadow:0 30px 80px -20px rgba(0,0,0,.5);overflow:hidden;display:flex;flex-direction:column;max-height:80vh}
.sbox-top{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line)}
.sbox-top svg{width:19px;height:19px;stroke:var(--muted);fill:none;stroke-width:2;flex-shrink:0}
.sbox-top input{border:none;padding:4px 0;font-size:1.05rem;background:none;flex:1}
.sbox-top input:focus{outline:none;box-shadow:none}
.sbox-top button{background:var(--bg-3);border:none;border-radius:7px;padding:4px 9px;font-size:.75rem;
  color:var(--muted);cursor:pointer;font-family:inherit}
.sres{overflow-y:auto;padding:6px}
.sres .grp{font-size:.72rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);
  padding:11px 12px 5px;font-weight:700}
.sres a{display:block;padding:9px 12px;border-radius:10px;color:var(--ink)}
.sres a:hover,.sres a.sel{background:var(--brand-soft);text-decoration:none}
.sres a b{display:block;font-size:.94rem;font-weight:650;margin-bottom:2px}
.sres a small{display:block;color:var(--muted);font-size:.79rem;line-height:1.45;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sres a .px{float:right;color:var(--accent);font-size:.79rem;font-weight:700;margin-left:10px;white-space:nowrap}
.sres mark{background:color-mix(in srgb,var(--accent) 26%,transparent);color:inherit;border-radius:3px;padding:0 1px}
.sempty{padding:26px 18px;text-align:center;color:var(--muted);font-size:.92rem}
.sfoot{border-top:1px solid var(--line);padding:9px 16px;font-size:.75rem;color:var(--muted);
  display:flex;gap:14px;flex-wrap:wrap}
.sfoot kbd{background:var(--bg-3);border-radius:4px;padding:1px 5px;font-family:inherit}

/* ---------- PWA install ---------- */
.pwa{position:fixed;left:12px;right:12px;bottom:84px;z-index:90;background:var(--bg);border:1px solid var(--line);
  border-radius:18px;box-shadow:0 18px 50px -12px rgba(16,24,40,.35);padding:14px 15px;
  display:none;gap:13px;align-items:flex-start;transform:translateY(16px);opacity:0;
  transition:transform .34s cubic-bezier(.2,.8,.2,1),opacity .34s}
.pwa.show{display:flex;transform:none;opacity:1}
.pwa img{width:46px;height:46px;border-radius:12px;flex-shrink:0}
.pwa .tx{flex:1;min-width:0}
.pwa b{display:block;font-size:.93rem;line-height:1.28;margin-bottom:3px}
.pwa p{margin:0;font-size:.8rem;color:var(--muted);line-height:1.4}
.pwa .act{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap;align-items:stretch}
.pwa .act .btn{padding:10px 18px;font-size:.87rem;border-radius:10px;white-space:nowrap;line-height:1.32}
.pwa .act #pwa-go{flex:0 1 auto}
.pwa .act #pwa-no{flex:0 0 auto;padding:10px 16px;font-size:.85rem}
.pwa b{overflow-wrap:anywhere}
.pwa .x{position:absolute;top:8px;right:9px;background:none;border:none;cursor:pointer;color:var(--muted);
  font-size:1.35rem;line-height:1;padding:5px 8px;border-radius:8px;font-family:inherit}
.pwa .x:hover{background:var(--bg-3);color:var(--ink)}
.pwa .ios{font-size:.82rem;color:var(--ink-2);margin-top:9px;line-height:1.6}
.pwa .ios svg{width:14px;height:14px;vertical-align:-2px;margin:0 2px}
@media(min-width:761px){.pwa{bottom:20px;left:auto;right:20px;max-width:380px}}
@media(min-width:901px){.pwa{display:none!important}}

/* ---------- footer ---------- */
footer.site{background:var(--bg-2);border-top:1px solid var(--line);padding:46px 0 30px;margin-top:44px}
.fgrid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:30px}
@media(max-width:860px){.fgrid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.fgrid{grid-template-columns:1fr}}
.fgrid h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:.9em;font-weight:700}
.fgrid ul{list-style:none;margin:0;padding:0}
.fgrid li{margin-bottom:.45em}
.fgrid a{color:var(--ink-2);font-size:.92rem}
.fbottom{border-top:1px solid var(--line);margin-top:34px;padding-top:20px;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:.85rem;color:var(--muted)}
.toc{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);padding:16px 20px;margin:24px 0}
.toc b{display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:.55em}
.toc ol{margin:0;padding-left:1.2em;columns:2;column-gap:26px}
@media(max-width:620px){.toc ol{columns:1}}
.toc li{margin-bottom:.3em;font-size:.92rem}
.updated{font-size:.82rem;color:var(--muted);margin-top:6px}
.inline-cta{background:var(--accent-soft);border:1px dashed color-mix(in srgb,var(--accent) 42%,transparent);
  border-radius:var(--r);padding:16px 20px;margin:24px 0;display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.inline-cta p{margin:0;flex:1;min-width:220px;font-size:.96rem;color:var(--ink-2)}