/* 全球频段通 · Band Atlas (V32.0) — AI新世界 visual language. Colour carries meaning only:
   cyan FDD · violet TDD · amber supplemental/partial · lime "your device supports it" · coral missing. */
:root{--bg:#070B12;--panel:#0D131D;--ink:#EEF2F8;--soft:#D0D7E2;--mute:#9AA5B7;--dim:#737E91;--tint:238,242,248;--bgr:7,11,18;--pop:#0F1622;--hit-t:var(--hit);--fdd-t:var(--fdd);--sdl-t:var(--sdl);--miss-t:var(--miss);--bt-t:#C1B2FF;--sh:inset 0 1px 0 rgba(255,255,255,.05),0 12px 32px rgba(0,0,0,.28);color-scheme:dark;--line:rgba(var(--tint),.11);--line2:rgba(var(--tint),.2);
  --fdd:#22E5D4;--tdd:#8C6BFF;--sdl:#FFB23D;--hit:#C6FF3A;--part:#FFB23D;--miss:#FF6A57;--w:1160px;--r:10px;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --num:"DIN Alternate","DIN Condensed","Bahnschrift","Roboto Condensed","Arial Narrow",var(--sans);
  --gut:max(20px,env(safe-area-inset-left));--gutr:max(20px,env(safe-area-inset-right))}
html[lang=en]{--sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:64px}
*,*::before,*::after{box-sizing:border-box}
body.ba{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.ba a{color:inherit}
.ba :focus-visible{outline:2px solid var(--hit);outline-offset:2px;border-radius:4px}
.ba-skip{position:absolute;left:-9999px;top:8px}
.ba-skip:focus{left:12px;z-index:20;background:var(--hit);color:var(--bg);padding:8px 12px;border-radius:8px;text-decoration:none}

/* fallback brand bar (the installer swaps in the site's own bar) */
.ba-bar{display:flex;align-items:center;gap:26px;max-width:var(--w);margin:0 auto;padding:max(14px,env(safe-area-inset-top)) var(--gutr) 14px var(--gut)}
.ba-brand{font-weight:700;font-size:18px;letter-spacing:.04em;text-decoration:none}
.ba-bar-n{display:flex;gap:18px;font-size:14px}
.ba-bar-n a{color:var(--mute);text-decoration:none}
.ba-bar-n a:hover,.ba-bar-n a[aria-current=page]{color:var(--ink)}

/* atlas sub-navigation: full-bleed rules, content aligned to the column */
.ba-sub{display:flex;align-items:center;gap:2px;overflow-x:auto;white-space:nowrap;scrollbar-width:none;font-size:14px;
  padding:6px max(var(--gutr),calc((100% - var(--w))/2 + 12px)) 6px max(var(--gut),calc((100% - var(--w))/2 + 12px));border-block:1px solid var(--line)}
.ba-sub::-webkit-scrollbar{display:none}
.ba-sub a{padding:6px 10px;border-radius:8px;color:var(--mute);text-decoration:none}
.ba-sub a:hover{color:var(--ink);background:rgba(var(--tint),.05)}
.ba-sub a[aria-current=page]{color:var(--ink);background:rgba(198,255,58,.1)}
.ba-sub .ba-sub-home{color:var(--ink);font-weight:600;margin-right:8px}
.ba-sub .ba-lang{margin-left:auto;border:1px solid var(--line2)}

.ba-main{max-width:var(--w);margin:0 auto;padding:0 var(--gutr) 72px var(--gut)}
.ba-main h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;margin:52px 0 14px}
.ba-main h3{line-height:1.35}
.ba-crumb{font-size:13px;color:var(--mute);margin:22px 0 8px}
.ba-crumb a{color:var(--mute);text-decoration:none}
.ba-crumb a:hover{color:var(--ink)}
.ba-sm{font-size:14px;color:var(--mute);max-width:52em}
.ba-sm a{color:var(--soft)}

/* hero + spectrum ruler — the one bold element */
.ba-hero{padding:0 0 6px}
.ba-h1{font-size:clamp(44px,7.4vw,88px);line-height:1;font-weight:800;letter-spacing:-.01em;margin:10px 0 20px}
.ba-h1 span{display:block;font:500 .4em/1.2 var(--num);letter-spacing:.08em;color:var(--mute);margin-top:.4em}
.ba-lead{font-size:clamp(17px,2vw,21px);line-height:1.7;color:var(--soft);max-width:34em;margin:0 0 30px}
.ba-ruler{margin:0;padding:20px 0 10px;border-block:1px solid var(--line)}
.ba-ruler-sc{overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:thin}
.ba-ruler-sc:focus-visible{outline:2px solid var(--hit);outline-offset:2px}
.ba-ruler-svg{display:block;width:100%;height:auto;overflow:visible}
.ba-ruler figcaption{font-size:13px;color:var(--mute);margin-top:10px;max-width:62em}
.ba-facts{font:14px/1.6 var(--num);color:var(--mute);margin:12px 0 0;letter-spacing:.01em}
.r-ax{stroke:var(--line2)}
.r-tk{stroke:rgba(var(--tint),.06)}
.r-tt{fill:var(--dim);font:11px var(--num);text-anchor:middle}
.r-lab{fill:var(--mute);font:600 11px var(--num);letter-spacing:.06em}
.r-1g{stroke:rgba(198,255,58,.5);stroke-dasharray:2 3}
.r-1gl{fill:rgba(198,255,58,.8);font:11px var(--sans);text-anchor:middle}
.r-link{stroke:rgba(var(--tint),.14)}
.r-f .r-d{fill:var(--fdd)}
.r-f .r-u{fill:var(--fdd);opacity:.36}
.r-t .r-d{fill:var(--tdd)}
.r-s .r-d,.r-s .r-u{fill:var(--sdl)}
.r-b:hover rect,.r-b:focus rect{filter:brightness(1.45)}
.r-b:focus{outline:none}
.r-sweep{stroke:var(--hit);stroke-width:1.5;opacity:0}
@media (prefers-reduced-motion:no-preference){
  .r-b{animation:ba-in .55s ease-out both;animation-delay:var(--d)}
  .r-sweep{animation:ba-sweep 2.9s cubic-bezier(.3,.1,.3,1) .15s 1 both}
}
@keyframes ba-in{from{opacity:0}to{opacity:1}}
@keyframes ba-sweep{0%{transform:translateX(0);opacity:0}6%{opacity:.95}88%{opacity:.95}100%{transform:translateX(1120px);opacity:0}}

/* checker */
.ba-tool{display:grid;grid-template-columns:minmax(300px,410px) minmax(0,1fr);gap:40px;margin:60px 0 0;padding-top:40px;border-top:1px solid var(--line)}
.ba-tool-in{position:sticky;top:18px;align-self:start}
.ba-tool h2{margin-top:0}
.ba-lbl{display:block;font-size:14px;color:var(--mute);margin-bottom:6px}
.ba-tool textarea{display:block;width:100%;min-height:124px;resize:vertical;background:var(--panel);color:var(--ink);border:1px solid var(--line2);border-radius:var(--r);
  padding:12px 14px;font:15px/1.6 var(--num);letter-spacing:.02em}
.ba-tool textarea:focus{outline:none;border-color:var(--hit);box-shadow:0 0 0 3px rgba(198,255,58,.14)}
.ba-tool textarea::placeholder{color:var(--dim)}
.ba-presets{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:12px 0;font-size:14px;color:var(--mute)}
.ba-pre{font:600 14px var(--num);color:var(--ink);background:none;border:1px solid var(--line2);border-radius:8px;padding:6px 12px;cursor:pointer}
.ba-pre:hover{border-color:var(--hit);color:var(--hit-t)}
.ba-cc{display:flex;flex-wrap:wrap;gap:6px 18px;border:0;margin:14px 0 6px;padding:0;font-size:15px}
.ba-cc legend{padding:0;margin-bottom:6px;font-size:14px;color:var(--mute)}
.ba-cc label,.ba-rcl,.ba-tech label{cursor:pointer}
.ba-rcl{display:block;font-size:14px;line-height:1.6;color:var(--soft);margin:12px 0 18px}
.ba input[type=checkbox]{accent-color:var(--hit);width:16px;height:16px;vertical-align:-3px;margin:0 4px 0 0}
.ba-go{display:flex;flex-wrap:wrap;gap:10px}
.ba-btn{display:inline-block;font:600 15px/1.2 var(--sans);color:var(--bg);background:var(--hit);border:0;border-radius:var(--r);padding:12px 18px;cursor:pointer;text-decoration:none}
.ba-btn:hover{filter:brightness(1.07)}
.ba-btn2{font:14px/1.2 var(--sans);color:var(--mute);background:none;border:1px solid var(--line2);border-radius:var(--r);padding:11px 14px;cursor:pointer}
.ba-btn2:hover{color:var(--ink)}
.ba-parsed{font-size:13px;line-height:1.6;color:var(--mute);margin:14px 0 0;min-height:1.6em}
.ba-out{min-width:0}
.ba-ex{font-size:13px;color:var(--mute);margin:0 0 10px}
.ba-rc{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 20px 6px;margin:0 0 14px}
.ba-rc-h{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px;margin:0 0 4px;font-size:19px}
.ba-rc-s{font:400 14px var(--num);color:var(--mute)}
.ba-rows{list-style:none;margin:0;padding:0}
.ba-row{padding:12px 0;border-top:1px solid var(--line)}
.ba-rows>.ba-row:first-child{border-top:0}
.ba-row-t{display:grid;grid-template-columns:minmax(96px,1fr) minmax(120px,240px) auto 46px;align-items:center;gap:12px}
.ba-row-t .ba-fp{width:100%;height:18px}
.ba-op{font-weight:600;text-decoration:none}
.ba-op:hover{color:var(--hit-t)}
.ba-num{font:15px var(--num);font-variant-numeric:tabular-nums;color:var(--mute);text-align:right;white-space:nowrap}
.ba-why{margin:6px 0 0;font-size:14px;line-height:1.65;color:var(--soft)}
.ba-note{margin:4px 0 0;font-size:13px;color:var(--dim)}
.ba-5g{margin:4px 0 0;font-size:14px}
.ba-5g-good{color:var(--hit-t)}
.ba-5g-limited{color:var(--part)}
.ba-5g-no{color:var(--dim)}
.ba-pill{display:inline-block;font-size:13px;line-height:1.5;font-weight:600;white-space:nowrap;border:1px solid;border-radius:999px;padding:1px 10px}
.ba-pill.ba-good{background:var(--hit);border-color:var(--hit);color:var(--bg)}
.ba-pill.ba-limited{border-color:rgba(255,178,61,.55);color:var(--part)}
.ba-pill.ba-no{border-color:rgba(255,106,87,.6);color:var(--miss-t)}
.ba-rec{border:1px solid rgba(198,255,58,.42);background:rgba(198,255,58,.045);border-radius:14px;padding:18px 20px;margin:0 0 14px}
.ba-rec-k{margin:0;font-size:13px;color:var(--mute)}
.ba-rec-n{margin:2px 0 6px;font:700 32px/1.2 var(--num);color:var(--hit-t)}
.ba-rec-w{margin:0 0 12px;font-size:14px;color:var(--soft)}

/* operator fingerprints */
.ba-fp{display:block;overflow:visible}
.ba-fp-g{stroke:rgba(198,255,58,.45);stroke-dasharray:1 2}
.ba-fp-base{fill:rgba(var(--tint),.16)}
.ba-fp-FDD{fill:var(--fdd)}
.ba-fp-TDD{fill:var(--tdd)}
.ba-fp-SDL{fill:var(--sdl)}
.ba-fp-sgl{fill-opacity:.35}
.ba-fp-ok{fill:var(--hit)}
.ba-fp-part{fill:var(--part)}
.ba-fp-miss{fill:rgba(255,106,87,.2);stroke:var(--miss)}
.ba-fp-single{fill:none;stroke:var(--dim);stroke-dasharray:2 2}
.ba-fp-off{fill:rgba(var(--tint),.12)}

/* countries, more, method */
.ba-cty-g{display:grid;grid-template-columns:repeat(auto-fill,minmax(262px,1fr));gap:14px}
.ba-cty{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 20px 10px}
.ba-cty h3{margin:0;font-size:20px}
.ba-cty h3 a{text-decoration:none}
.ba-cty h3 a:hover,.ba-cty-l a:hover{color:var(--hit-t)}
.ba-cty .ba-sm{margin:0}
.ba-cty-l{list-style:none;margin:8px 0 0;padding:0}
.ba-cty-l li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 0;border-top:1px solid var(--line);font-size:15px}
.ba-cty-l a{text-decoration:none}
.ba-cty-l .ba-fp{width:148px;height:16px;flex:none}
.ba-more{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:52px 0 0}
.ba-more-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));margin-top:28px}
.ba-more-i{display:block;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 20px;text-decoration:none}
.ba-more-i:hover{border-color:rgba(198,255,58,.45)}
.ba-more-i b{display:block;font-size:18px;margin-bottom:6px}
.ba-more-i span{display:block;font-size:14px;color:var(--soft)}
.ba-more-i em{display:inline-block;margin-top:12px;font-style:normal;font-weight:600;font-size:14px;color:var(--hit-t)}
.ba-feat{border-color:rgba(198,255,58,.4)}
.ba-method{margin:60px 0 0;padding-top:4px;border-top:1px solid var(--line)}
.ba-cols{display:grid;grid-template-columns:1.35fr 1fr;gap:40px}
.ba-method h3{font-size:17px;margin:20px 0 6px}
.ba-method p{color:var(--soft);max-width:44em}
.ba-formula{display:inline-block;font:600 17px/1.5 var(--num);color:var(--hit-t);background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:10px 16px}

/* inner pages */
.ba-ph h1{font-size:clamp(28px,4.4vw,46px);line-height:1.2;font-weight:800;margin:6px 0 6px}
.ba-meta{font:14px var(--num);color:var(--mute);margin:0 0 18px}
.ba-answer{border-left:3px solid var(--hit);padding:2px 0 2px 18px;margin:20px 0;font-size:17px;line-height:1.8;max-width:48em}
.ba-answer p{margin:0}
.ba-keys{margin:0 0 8px;padding-left:1.2em;max-width:54em}
.ba-keys li{margin:7px 0;color:var(--soft)}
.ba-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:8px 0 12px;border:1px solid var(--line);border-radius:12px}
.ba-t{width:100%;min-width:640px;border-collapse:collapse;font-size:14px}
.ba-t th,.ba-t td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--line)}
.ba-t thead th{font-size:13px;font-weight:600;color:var(--mute);background:var(--panel);white-space:nowrap}
.ba-t tbody th{font-weight:600;white-space:nowrap}
.ba-t tbody tr:last-child>*{border-bottom:0}
.ba-kv{min-width:0}
.ba-kv th{width:32%}
.ba-n{font-family:var(--num);font-variant-numeric:tabular-nums;white-space:nowrap}
.ba-bands{min-width:190px;line-height:2}
.ba-ops tbody th .ba-fp{width:150px;height:16px;margin-top:8px}
.ba-grp{display:block;font-size:12px;font-weight:400;color:var(--dim)}
.ba-ops td.ba-st{min-width:6.6em}
.ba-m-only{display:none}
.ba-st-ok{color:var(--hit-t)}
.ba-st-off{color:var(--mute)}
.ba-st-warn{color:var(--part)}
.ba-st-mute{color:var(--dim)}
.ba-fit td{white-space:nowrap}
.ba-cert{display:block;max-width:230px;margin-top:4px;font-size:12px;font-weight:400;line-height:1.5;color:var(--mute);white-space:normal}
.ba-cert a{color:var(--mute)}
.ba-t5{display:block;margin-top:4px;font-size:12px}
.ba-bt td{white-space:nowrap}
.ba-bt td:nth-child(5){white-space:normal;min-width:190px}
.ba-bt td:nth-child(7){white-space:normal;min-width:150px}
tr.ba-s>th,tr.ba-s>td{color:#98A1B3}
.ba-nt{display:block;font-size:12px;line-height:1.5;color:var(--part)}
.ba-mine{display:inline-block;font:600 12px/1.6 var(--num);color:var(--bg);background:var(--hit);border-radius:5px;padding:0 6px;margin:1px 2px 1px 0}
.ba-mute{color:var(--dim)}
.ba-bt tr:target,.ba-bt tr.ba-hl{background:rgba(198,255,58,.08)}
.ba-bt tr:target>th{color:var(--hit-t)}
.ba-chip{display:inline-block;font:600 13px/1.5 var(--num);white-space:nowrap;color:var(--ink);border:1px solid var(--line2);border-radius:6px;padding:0 7px;margin:2px 3px 2px 0;text-decoration:none}
.ba-chip:hover{border-color:var(--hit)}
.ba-cov::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--ink);margin:0 5px 0 0;vertical-align:1px}
.ba-chip.ba-s{border-style:dashed;color:var(--mute)}
.ba-legend{font-size:13px;line-height:2.1;color:var(--mute);max-width:60em}
.ba-ref{font:11px/0 var(--num);margin-left:2px}
.ba-ref a{color:var(--fdd-t);text-decoration:none;padding:0 1px}
.ba-srcs{font-size:14px;padding-left:1.7em;color:var(--soft);max-width:60em}
.ba-srcs li{margin:7px 0}
.ba-srcs a{color:var(--ink);text-decoration-color:var(--line2);text-underline-offset:3px}
.ba-src-m{font-size:12px;color:var(--dim)}
.ba-g{display:inline-block;min-width:1.7em;text-align:center;font:700 11px/1.6 var(--num);border-radius:4px;padding:0 4px}
.ba-gA{background:rgba(198,255,58,.15);color:var(--hit-t)}
.ba-gB{background:rgba(34,229,212,.13);color:var(--fdd-t)}
.ba-gC{background:rgba(255,178,61,.13);color:var(--sdl-t)}
.ba-conflict{border:1px solid rgba(255,178,61,.45);background:rgba(255,178,61,.055);border-radius:12px;padding:4px 20px 12px;margin:30px 0}
.ba-main .ba-conflict h2{font-size:18px;margin:12px 0 6px;color:var(--sdl-t)}
.ba-conflict ul{margin:0;padding-left:1.2em;color:#DDD2BD}
.ba-conflict li{margin:6px 0}
.ba-faq details{border-top:1px solid var(--line);padding:12px 0}
.ba-faq summary{cursor:pointer;font-weight:600}
.ba-faq p{margin:8px 0 0;color:var(--soft);max-width:48em}
.ba-next{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:44px 0 0;padding-top:18px;border-top:1px solid var(--line)}
.ba-next span{font-size:14px;color:var(--mute);margin-right:4px}
.ba-next a{border:1px solid var(--line2);border-radius:8px;padding:6px 12px;text-decoration:none}
.ba-next a:hover{border-color:var(--hit)}
.ba-filter{position:sticky;top:0;z-index:3;display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin:18px 0 6px;padding:10px 0;background:var(--bg)}
.ba-filter label[for]{font-size:14px;color:var(--mute)}
.ba-filter input[type=search]{width:min(320px,100%);background:var(--panel);color:var(--ink);border:1px solid var(--line2);border-radius:var(--r);padding:9px 12px;font:15px var(--num)}
.ba-filter input[type=search]:focus{outline:none;border-color:var(--hit)}
.ba-tech{display:flex;gap:16px;font-size:14px}
.ba-foot{max-width:var(--w);margin:0 auto;padding:26px var(--gutr) max(40px,env(safe-area-inset-bottom)) var(--gut);border-top:1px solid var(--line);font-size:13px;color:var(--mute)}
.ba-foot p{max-width:62em;margin:6px 0}
.ba-foot a{color:var(--soft)}
.ba-hero-s .ba-h1{font-size:clamp(38px,5.4vw,64px);margin-top:28px}

@media (max-width:960px){
  .ba-tool{grid-template-columns:1fr;gap:28px}
  .ba-tool-in{position:static}
  .ba-cols{grid-template-columns:1fr;gap:10px}
}
@media (max-width:600px){
  .ba-bar{gap:16px}
  .ba-bar-n{gap:12px}
  .ba-row-t{grid-template-columns:1fr auto 42px;gap:8px 10px}
  .ba-row-t .ba-fp{grid-column:1/-1;grid-row:2}
  .ba-rc{padding:14px 16px 4px}
  .ba-ruler-svg{min-width:780px}
  .ba-m-only{display:inline}
  .ba-cty-l .ba-fp{width:120px}
}
@media print{
  body.ba{background:#fff;color:#000;font-size:11pt}
  .ba-bar,.ba-sub,.ba-skip,.ba-tool-in,.ba-filter,.r-sweep,.ba-btn,.ba-btn2{display:none!important}
  .ba-tool{display:block;border:0;margin-top:20px}
  .ba-rc,.ba-cty,.ba-more-i,.ba-scroll,.ba-rec,.ba-formula{background:#fff;border-color:#bbb}
  .ba-t thead th{background:#eee;color:#000}
  .ba-why,.ba-keys li,.ba-lead,.ba-method p,.ba-faq p,.ba-srcs,.ba-answer,.ba-legend,.ba-sm,.ba-meta,.ba-ruler figcaption{color:#222}
  .ba-pill.ba-good{background:#2E7D32;border-color:#2E7D32;color:#fff}
  .ba-pill.ba-limited{color:#A35F00;border-color:#A35F00}
  .ba-pill.ba-no{color:#C62828;border-color:#C62828}
  .ba-st-ok,.ba-5g-good,.ba-rec-n{color:#2E7D32}
  .ba-st-warn,.ba-5g-limited{color:#A35F00}
  .ba-conflict{background:#FFF7E6;border-color:#E0A030}
  .ba-conflict ul,.ba-main .ba-conflict h2{color:#6B4500}
  .ba-chip{color:#000;border-color:#999}
  .ba-srcs a::after{content:" · " attr(href);font-size:8pt;color:#555;word-break:break-all}
  .ba-faq details{break-inside:avoid}
  .ba-faq details>p{display:block}
  a{text-decoration:none}
}

/* V32.1 · IoT network map ("periodic table") */
.ba-pt{margin:60px 0 0;padding-top:4px;border-top:1px solid var(--line)}
.ba-pt-seg{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 10px}
.ba-pt-seg .ba-pre[aria-pressed=true]{border-color:var(--hit);color:var(--hit-t);background:rgba(198,255,58,.08)}
.ba-pt-sum{font:14px/1.6 var(--num);color:var(--mute);margin:0 0 14px}
.ba-pt-reg{margin:0 0 14px}
.ba-pt-rn{font-size:13px;color:var(--mute);margin:0 0 6px}
.ba-pt-g{display:grid;grid-template-columns:repeat(auto-fill,minmax(66px,1fr));gap:6px}
.ba-pt-t{position:relative;display:block;min-height:58px;padding:8px 9px 7px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--dim);text-decoration:none;transition:border-color .15s}
.ba-pt-t b{display:block;font:600 18px/1.1 var(--num);letter-spacing:.03em;color:var(--mute)}
.ba-pt-t span{display:block;margin-top:7px;font-size:12px;line-height:1.3}
.ba-pt-t:hover{border-color:var(--line2)}
.ba-pt-on{background:rgba(198,255,58,.1);border-color:rgba(198,255,58,.42);color:var(--hit-t)}
.ba-pt-on b{color:var(--hit-t)}
.ba-pt-tr{background:rgba(255,178,61,.08);border-color:rgba(255,178,61,.42);color:var(--sdl-t)}
.ba-pt-tr b{color:var(--sdl-t)}
.ba-pt-off{background:rgba(255,106,87,.09);border-color:rgba(255,106,87,.48);color:var(--miss-t)}
.ba-pt-off b{color:var(--miss-t)}
.ba-pt-deep::after{content:"";position:absolute;top:8px;right:8px;width:6px;height:6px;border-radius:50%;background:var(--ink)}
.ba-pt-sel{outline:2px solid var(--ink);outline-offset:1px}
.ba-pt-d{margin-top:14px;padding:14px 18px;border:1px solid var(--line);border-radius:12px;background:var(--panel);min-height:64px}
.ba-pt-d .ba-sm{margin:0}
.ba-main .ba-pt-n{margin:0 0 8px;font-size:18px}
.ba-pt-r{margin:4px 0;font-size:14px;line-height:1.6;color:var(--soft)}
.ba-pt-r b{display:inline-block;min-width:7.5em;font-weight:600;color:var(--mute)}
.ba-pt-d .ba-btn2{display:inline-block;margin:10px 0 2px;text-decoration:none;color:var(--ink)}
.ba-dev label{white-space:nowrap}
.ba input[type=radio]{accent-color:var(--hit);width:15px;height:15px;vertical-align:-2px;margin:0 4px 0 0}
.ba-pill.ba-unk{border-color:var(--line2);color:var(--mute)}
.ba-lp td{min-width:190px}
.ba-cmp td{min-width:150px}
@media (max-width:600px){.ba-pt-g{grid-template-columns:repeat(auto-fill,minmax(58px,1fr))}.ba-pt-t b{font-size:16px}}
@media print{.ba-pt-seg,.ba-pt-d{display:none}.ba-pt-t{background:#fff;border-color:#bbb}.ba-pt-on{border-color:#2E7D32}.ba-pt-on b{color:#2E7D32}}

/* V32.2 · intent-based navigation, search, quick checks */
:root{--navh:52px}
html{scroll-padding-top:calc(var(--navh) + 14px)}
.ba-nav{position:sticky;top:0;z-index:60;background:rgba(var(--bgr),.9);-webkit-backdrop-filter:saturate(140%) blur(10px);backdrop-filter:saturate(140%) blur(10px);border-block:1px solid var(--line)}
.ba-nav-in{position:relative;display:flex;align-items:center;gap:4px;max-width:var(--w);margin:0 auto;padding:6px var(--gutr) 6px var(--gut);min-height:var(--navh)}
.ba-nav-home{font-weight:700;font-size:15px;white-space:nowrap;text-decoration:none;padding:7px 12px 7px 0;margin-right:4px}
.ba-nav-m{display:flex;align-items:center;gap:2px;min-width:0}
.ba-nav-a,.ba-dd>summary{display:block;padding:7px 10px;border-radius:8px;font-size:14px;line-height:1.4;white-space:nowrap;color:var(--soft);text-decoration:none;cursor:pointer;list-style:none}
.ba-dd>summary::-webkit-details-marker{display:none}
.ba-dd>summary::after{content:"";display:inline-block;width:5px;height:5px;margin-left:8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-3px) rotate(45deg);opacity:.75}
.ba-dd[open]>summary::after{transform:translateY(0) rotate(-135deg)}
.ba-nav-a:hover,.ba-dd>summary:hover,.ba-dd[open]>summary{color:var(--ink);background:rgba(var(--tint),.06)}
.ba-nav .ba-cur,.ba-nav-a[aria-current=page],.ba-nav-home[aria-current=page]{color:var(--ink);box-shadow:inset 0 -2px 0 var(--hit)}
.ba-nav-home[aria-current=page]{box-shadow:none}
.ba-dd{position:relative}
.ba-dd-static{position:static}
.ba-dd-p{position:absolute;left:0;top:calc(100% + 6px);z-index:70;background:var(--pop);border:1px solid var(--line2);border-radius:14px;padding:12px;box-shadow:0 18px 50px rgba(0,0,0,.55)}
.ba-dd-static .ba-dd-p{left:var(--gut);right:var(--gutr);padding:16px 18px}
.ba-dd-note{font-size:13px;color:var(--mute);margin:0 0 12px;max-width:60em}
.ba-dd-note b{color:var(--ink)}
.ba-dd-cols{display:grid;grid-template-columns:1fr 2.3fr 1fr 1.4fr;gap:20px;max-height:min(66vh,560px);overflow:auto}
.ba-dd-h{font-size:12px;color:var(--mute);margin:0 0 6px;letter-spacing:.04em}
.ba-dd-deeps,.ba-dd-list,.ba-dd-menu{list-style:none;margin:0;padding:0}
.ba-dd-deep{margin:0 0 10px}
.ba-dd-deep>a{font-weight:700;color:var(--ink);text-decoration:none}
.ba-dd-deep span{display:block;font-size:13px;line-height:1.6;color:var(--mute)}
.ba-dd-deep span a{color:var(--soft);text-decoration:none;white-space:nowrap}
.ba-dd-list{font-size:13px;line-height:1.95}
.ba-dd-eu .ba-dd-list{columns:3;column-gap:14px}
.ba-dd-ap .ba-dd-list{columns:2;column-gap:14px}
.ba-dd-list a{color:var(--soft);text-decoration:none}
.ba-dd-list a:hover,.ba-dd-deep a:hover{color:var(--hit-t)}
.ba-dd-menu{min-width:300px}
.ba-dd-menu a{display:block;padding:9px 10px;border-radius:10px;text-decoration:none}
.ba-dd-menu a:hover,.ba-dd-menu a[aria-current=page]{background:rgba(var(--tint),.06)}
.ba-dd-menu b{display:block;font-size:14px;font-weight:600;color:var(--ink)}
.ba-dd-menu span{display:block;margin-top:2px;font-size:12px;color:var(--mute)}
.ba-sbtn{display:flex;align-items:center;gap:9px;margin-left:auto;min-width:250px;padding:6px 7px 6px 11px;border:1px solid var(--line2);border-radius:10px;background:rgba(var(--tint),.03);color:var(--mute);font-size:13px;text-decoration:none;white-space:nowrap}
.ba-sbtn:hover{color:var(--ink);border-color:rgba(198,255,58,.5)}
.ba-ic{width:15px;height:15px;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round}
.ba-sbtn kbd,.ba-hs-k{margin-left:auto;padding:3px 7px;border:1px solid var(--line2);border-radius:5px;font:11px/1 var(--num);color:var(--mute)}
.ba-nav .ba-lang{margin-left:6px;padding:6px 10px;border:1px solid var(--line2);border-radius:8px;font-size:14px;color:var(--mute);text-decoration:none;white-space:nowrap}
.ba-nav .ba-lang:hover{color:var(--ink)}
.ba-filter{top:var(--navh)}
.ba-lock{overflow:hidden}
/* search palette */
.ba-pal-bg{position:fixed;inset:0;z-index:100;display:flex;align-items:flex-start;justify-content:center;padding:max(10vh,env(safe-area-inset-top)) 14px 14px;background:rgba(3,5,9,.62);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
.ba-pal-bg[hidden]{display:none}
.ba-pal{width:min(660px,100%);overflow:hidden;background:var(--pop);border:1px solid var(--line2);border-radius:16px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.ba-pal-in{display:block;width:100%;padding:16px 18px;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--ink);font:17px/1.4 var(--sans);outline:none}
.ba-pl{list-style:none;margin:0;padding:6px;max-height:min(58vh,460px);overflow:auto}
.ba-pl-i a{display:grid;grid-template-columns:5.6em minmax(0,1fr);column-gap:10px;padding:9px 10px;border-radius:10px;color:var(--ink);text-decoration:none}
.ba-pl-t{grid-row:span 2;padding-top:3px;font-size:11px;color:var(--mute)}
.ba-pl-a{color:var(--hit-t)}
.ba-pl-i b{font-weight:600}
.ba-pl-s{grid-column:2;margin-top:2px;font-size:12px;color:var(--mute);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ba-pl-on a{background:rgba(198,255,58,.1)}
.ba-pl-on b{color:var(--hit-t)}
.ba-pl-e{padding:14px 12px;font-size:14px;color:var(--mute)}
.ba-pal-f{margin:0;padding:9px 16px;border-top:1px solid var(--line);font-size:12px;color:var(--dim)}
/* hero search and common questions */
.ba-hs{position:relative;max-width:780px;margin:0 0 6px}
.ba-hs-l{position:absolute;left:-9999px}
.ba-hs-box{display:flex;align-items:center;gap:10px;padding:3px 12px 3px 16px;background:var(--panel);border:1px solid var(--line2);border-radius:14px}
.ba-hs-box:focus-within{border-color:var(--hit);box-shadow:0 0 0 3px rgba(198,255,58,.14)}
.ba-hs-box input{flex:1;min-width:0;padding:13px 0;border:0;background:transparent;color:var(--ink);font:17px/1.4 var(--sans);outline:none}
.ba-hs-box input::placeholder{color:var(--dim)}
#ba-hs-list{position:absolute;left:0;right:0;top:calc(100% + 6px);z-index:40;background:var(--pop);border:1px solid var(--line2);border-radius:14px;box-shadow:0 24px 60px rgba(0,0,0,.55)}
.ba-hs-ex{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:10px 0 0;font-size:13px;color:var(--mute)}
.ba-try{padding:4px 11px;border:1px solid var(--line);border-radius:999px;background:none;color:var(--soft);font:13px var(--sans);cursor:pointer}
.ba-try:hover{border-color:var(--hit);color:var(--hit-t)}
.ba-int{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px;max-width:1040px;margin:20px 0 34px;padding:0;list-style:none}
.ba-int a{display:block;height:100%;padding:12px 14px;border-left:2px solid var(--hit);background:rgba(var(--tint),.03);text-decoration:none}
.ba-int a:hover{background:rgba(198,255,58,.06)}
.ba-int b{display:block;font-size:15px;font-weight:600;color:var(--ink)}
.ba-int span{display:block;margin-top:3px;font-size:13px;color:var(--mute)}
/* quick check on country and operator pages */
.ba-qc{margin:26px 0 6px;padding:16px 18px 12px;border:1px solid var(--line2);border-radius:14px;background:var(--panel)}
.ba-main .ba-qc h2{margin:0 0 10px;font-size:18px}
.ba-qc-f{display:flex;gap:8px}
.ba-qc-f input{flex:1;min-width:0;padding:10px 12px;border:1px solid var(--line2);border-radius:var(--r);background:var(--bg);color:var(--ink);font:15px var(--num)}
.ba-qc-f input:focus{outline:none;border-color:var(--hit)}
.ba-qc .ba-parsed{margin:10px 0 0}
.ba-qc-out .ba-rc{margin:12px 0 10px;background:var(--bg)}
.ba-qc-out .ba-btn2{display:inline-block;margin:0 0 6px;text-decoration:none;color:var(--ink)}
.ba-row-me{box-shadow:inset 3px 0 0 var(--hit);padding-left:10px}
.ba-sr{position:absolute;left:-9999px}
.ba-jump{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;margin:16px 0 4px;font-size:13px}
.ba-jump span{color:var(--dim)}
.ba-jump a{color:var(--soft);text-decoration:none;border-bottom:1px dashed var(--line2)}
.ba-jump a:hover{color:var(--hit-t)}
@media (max-width:1100px){.ba-sbtn{min-width:0}.ba-sbtn-t{display:none}}
@media (max-width:860px){
  :root{--navh:94px}
  .ba-nav-in{flex-wrap:wrap;row-gap:2px;padding-top:4px;padding-bottom:4px}
  .ba-nav-m{order:3;flex-basis:100%;overflow-x:auto;scrollbar-width:none;margin:0 -6px}
  .ba-nav-m::-webkit-scrollbar{display:none}
  .ba-dd,.ba-dd-static{position:static}
  .ba-dd-p,.ba-dd-static .ba-dd-p{left:var(--gut);right:var(--gutr);max-height:72vh;overflow:auto}
  .ba-dd-cols{grid-template-columns:1fr;gap:14px;max-height:none;overflow:visible}
  .ba-dd-list,.ba-dd-eu .ba-dd-list,.ba-dd-ap .ba-dd-list{columns:2;column-gap:14px}
  .ba-dd-menu{min-width:0}
  .ba-sbtn{margin-left:auto}
}
@media (max-width:600px){.ba-qc-f{flex-direction:column}.ba-hs-box input{font-size:16px}.ba-hs-k{display:none}}
@media print{.ba-nav,.ba-hs,.ba-int,.ba-qc,.ba-jump,.ba-pal-bg{display:none!important}}

/* V32.4 · Network Pulse */
.ba-pus{margin:6px 0 38px}
.ba-pus-h{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:0 0 12px}
.ba-main .ba-pus-h h2,.ba-pus-h h2{margin:0;font-size:18px}
.ba-pus-h a{font-size:14px;color:var(--soft);text-decoration:none}
.ba-pus-h a:hover{color:var(--hit-t)}
.ba-pu-g{display:grid;grid-template-columns:repeat(auto-fill,minmax(236px,1fr));gap:10px}
.ba-pu-c{position:relative;padding:14px 16px 12px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
.ba-pu-c[hidden]{display:none}
.ba-pu-l{margin:0;font-size:13px;color:var(--mute)}
.ba-pu-v{margin:4px 0 2px;font:600 26px/1.15 var(--num);letter-spacing:-.01em;color:var(--ink)}
.ba-pu-d{margin:0;font:13px var(--num)}
.ba-up{color:var(--hit-t)}.ba-dn{color:var(--sdl-t)}.ba-eq{color:var(--mute)}
.ba-pu-sp{display:block;width:100%;height:44px;margin:10px 0 2px;overflow:visible;touch-action:pan-y}
.ba-pu-sp polyline{fill:none;stroke:var(--fdd);stroke-width:1.6;vector-effect:non-scaling-stroke}
.ba-pu-sp circle{fill:var(--bg);stroke:var(--fdd);stroke-width:1.4;vector-effect:non-scaling-stroke}
.ba-pu-sp circle:last-of-type,.ba-pu-sp circle.on{fill:var(--hit);stroke:var(--hit)}
.ba-pu-one{height:12px;margin:10px 0 2px;border-bottom:1px dashed var(--line2)}
.ba-pu-tip{margin:0;font:12px var(--num);color:var(--dim);min-height:1.4em}
.ba-pu-n{margin:6px 0 0;font-size:12.5px;line-height:1.55;color:var(--soft)}
.ba-pu-s{margin:8px 0 0;font-size:12px;color:var(--dim)}
.ba-pu-x{margin-top:8px;font-size:13px}
.ba-pu-x summary{cursor:pointer;color:var(--mute)}
.ba-pu-x table{margin:8px 0}
.ba-pu-seg{display:flex;gap:8px;margin:22px 0 14px}
.ba-pu-seg .ba-pre[aria-pressed=true]{border-color:var(--hit);color:var(--hit-t);background:rgba(198,255,58,.08)}
.ba-ms{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.ba-main .ba-ms h3{margin:0 0 10px;font-size:15px;color:var(--mute)}
.ba-ms-l{list-style:none;margin:0;padding:0;border-left:1px solid var(--line2)}
.ba-ms-l li{position:relative;margin:0 0 14px;padding-left:16px;font-size:14px;line-height:1.6}
.ba-ms-l li::before{content:"";position:absolute;left:-4px;top:.55em;width:7px;height:7px;border-radius:50%;background:var(--fdd)}
.ba-ms-up li::before{background:var(--sdl)}
.ba-ms-l .ba-n{display:block;font-size:12px;color:var(--mute)}
@media (max-width:760px){.ba-ms{grid-template-columns:1fr}.ba-pu-v{font-size:24px}}
@media print{.ba-pu-seg{display:none}.ba-pu-c{break-inside:avoid;background:#fff;border-color:#bbb}}

/* V32.5 · prominent, easy-to-hit controls */
.ba-hs-box{padding:6px 6px 6px 20px;border:1.5px solid rgba(198,255,58,.55);border-radius:16px;background:linear-gradient(180deg,rgba(198,255,58,.07),rgba(198,255,58,.02));box-shadow:0 0 0 5px rgba(198,255,58,.05),0 14px 44px rgba(0,0,0,.4)}
.ba-hs-box:focus-within{border-color:var(--hit);box-shadow:0 0 0 5px rgba(198,255,58,.16),0 14px 44px rgba(0,0,0,.4)}
.ba-hs-box input{font-size:19px;padding:15px 0}
.ba-hs-go{flex:none;height:50px;padding:0 26px;border:0;border-radius:11px;background:var(--hit);color:#0A0F05;font:700 16px/1 var(--sans);letter-spacing:.02em;cursor:pointer}
.ba-hs-go:hover{filter:brightness(1.07)}
.ba-hs-go:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.ba-hs-ex{gap:8px;margin-top:12px}
.ba-try{min-height:36px;padding:6px 15px;font-size:14px;border:1.5px solid var(--line2)}
#ba-in{min-height:150px;font-size:16px;border:1.5px solid var(--line2);border-radius:12px}
#ba-in:focus{border-color:var(--hit);box-shadow:0 0 0 4px rgba(198,255,58,.14);outline:none}
.ba-tool .ba-btn,.ba-qc .ba-btn{min-height:50px;padding:0 30px;border:0;border-radius:12px;background:var(--hit);color:#0A0F05;font-size:17px;font-weight:700;cursor:pointer}
.ba-tool .ba-btn:hover,.ba-qc .ba-btn:hover{filter:brightness(1.07)}
.ba-qc-f input{min-height:50px;font-size:16px;border-width:1.5px}
.ba-pre{min-height:40px;padding:0 16px;font-size:15px;border-width:1.5px}
.ba-pre:hover{border-color:rgba(198,255,58,.65);color:var(--ink)}
.ba-cc{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 0;padding:0;border:0}
.ba-cc legend{width:100%;margin:0 0 10px;padding:0;font-size:14px;font-weight:600;color:var(--soft)}
.ba-cc label{position:relative;display:inline-flex;align-items:center;min-height:42px;padding:0 17px;border:1.5px solid var(--line2);border-radius:999px;background:rgba(var(--tint),.02);font-size:15px;color:var(--soft);cursor:pointer;user-select:none;transition:border-color .15s,background .15s}
.ba-cc label:hover{border-color:rgba(198,255,58,.65);color:var(--ink)}
.ba-cc input{position:absolute;width:1px;height:1px;margin:0;opacity:0}
.ba-cc label:has(input:checked){background:var(--hit);border-color:var(--hit);color:#0A0F05;font-weight:700}
.ba-cc label:has(input[type=checkbox]:checked)::before{content:"✓";margin-right:7px;font-weight:700}
.ba-cc label:has(input:focus-visible){outline:2px solid var(--hit);outline-offset:3px}
.ba-pt-seg .ba-pre,.ba-pu-seg .ba-pre{min-height:44px;padding:0 20px;font-size:15px}
.ba-pt-seg .ba-pre[aria-pressed=true],.ba-pu-seg .ba-pre[aria-pressed=true]{background:var(--hit);border-color:var(--hit);color:#0A0F05;font-weight:700}
.ba-sbtn{border-color:rgba(198,255,58,.45);color:var(--soft)}
.ba-sbtn .ba-ic{color:var(--hit-t)}
/* V32.5 · global IoT dashboard */
.ba-main .ba-pu-h2{margin:44px 0 14px;font-size:21px;letter-spacing:.01em}
.ba-pu-head{grid-template-columns:repeat(3,minmax(0,1fr))}
.ba-pu-big{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);column-gap:28px;align-items:start;padding:20px 22px;background:linear-gradient(135deg,rgba(198,255,58,.06),rgba(34,229,212,.03) 60%,transparent),var(--panel);border-color:rgba(198,255,58,.28)}
.ba-pu-big>*{grid-column:1}
.ba-pu-big .ba-tr{grid-column:2;grid-row:1/span 8;width:100%;height:auto}
.ba-pu-big .ba-pu-v{font-size:40px}
.ba-pu-e{display:inline-block;margin-left:8px;padding:2px 8px;border:1px solid rgba(255,178,61,.55);border-radius:999px;font:600 12px/1.5 var(--sans);color:var(--sdl-t);vertical-align:middle}
.ba-tr .g{stroke:var(--line);stroke-width:1}
.ba-tr .hl{fill:none;stroke:var(--hit);stroke-width:2.6;stroke-linejoin:round}
.ba-tr .fl{fill:none;stroke:var(--hit);stroke-width:2;stroke-dasharray:6 6;opacity:.7}
.ba-tr circle.h{fill:var(--hit)}
.ba-tr circle.f{fill:var(--bg);stroke:var(--hit);stroke-width:2}
.ba-tr .v{fill:var(--ink);font:600 13px var(--num)}
.ba-tr .x{fill:var(--mute);font:12px var(--num)}
.ba-tr .lg{fill:var(--dim);font:12px var(--sans)}
.ba-sh{margin:0}
.ba-sh-bar{display:flex;height:58px;overflow:hidden;border-radius:12px;border:1px solid var(--line)}
.ba-sh-s{display:flex;align-items:center;gap:6px;width:var(--w);padding:0 14px;font:600 14px var(--num);white-space:nowrap;overflow:hidden}
.ba-sh-s b{font:600 14px var(--sans)}
.ba-sh-wifi{background:rgba(34,229,212,.2);color:var(--fdd-t)}
.ba-sh-bt{background:rgba(140,107,255,.24);color:var(--bt-t)}
.ba-sh-cell{background:var(--hit);color:#0A0F05}
.ba-sh-other{background:rgba(var(--tint),.07);color:var(--mute)}
.ba-sh figcaption{margin-top:10px}
.ba-rk{list-style:none;margin:0;padding:0;counter-reset:rk}
.ba-rk li{display:grid;grid-template-columns:11em minmax(0,1fr) 9.5em;align-items:center;gap:14px;padding:7px 0;border-bottom:1px solid var(--line);counter-increment:rk}
.ba-rk-n{font-size:15px;color:var(--ink)}
.ba-rk-n::before{content:counter(rk);display:inline-block;width:1.7em;color:var(--dim);font:12px var(--num)}
.ba-rk-b{height:12px;border-radius:6px;background:rgba(var(--tint),.05);overflow:hidden}
.ba-rk-b i{display:block;width:var(--w);height:100%;border-radius:6px;background:linear-gradient(90deg,var(--fdd),var(--hit))}
.ba-rk-v{font:600 14px var(--num);color:var(--ink);text-align:right}
.ba-rk-v em{font-style:normal;color:var(--hit-t);font-weight:600}
@media (max-width:900px){.ba-pu-head{grid-template-columns:1fr 1fr}.ba-pu-big{grid-template-columns:1fr}.ba-pu-big .ba-tr{grid-column:1;grid-row:auto;margin-top:12px}}
@media (max-width:600px){.ba-pu-head{grid-template-columns:1fr}.ba-hs-box{padding-left:14px}.ba-hs-box input{font-size:17px}.ba-hs-go{height:46px;padding:0 16px}.ba-rk li{grid-template-columns:8em minmax(0,1fr) 6.5em;gap:8px}.ba-sh-s{padding:0 8px;font-size:12px}.ba-sh-s b{display:none}.ba-cc label{min-height:44px}}
@media print{.ba-hs-go{display:none}.ba-sh-cell{background:#DDEEB0}}

/* V32.6 · Replacing 2G in Europe */
.ba-callout{margin:18px 0 4px}
.ba-callout a{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 12px;padding:14px 18px;border:1.5px solid rgba(255,178,61,.5);border-radius:12px;background:rgba(255,178,61,.07);text-decoration:none}
.ba-callout a:hover{border-color:var(--sdl);background:rgba(255,178,61,.12)}
.ba-callout b{font-size:16px;color:var(--sdl-t)}
.ba-callout span{font-size:14px;color:var(--soft)}
.ba-steps{counter-reset:st;list-style:none;padding-left:0}
.ba-steps li{position:relative;padding-left:42px;counter-increment:st}
.ba-steps li::before{content:counter(st);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;background:var(--hit);color:#0A0F05;font:700 14px/28px var(--num);text-align:center}
.ba-offer{margin:40px 0 10px;padding:22px 24px;border:1.5px solid rgba(198,255,58,.5);border-radius:16px;background:linear-gradient(135deg,rgba(198,255,58,.08),rgba(34,229,212,.03) 70%),var(--panel)}
.ba-main .ba-offer h2{margin:0 0 14px;font-size:20px}
.ba-offer dl{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;margin:0}
.ba-offer dl div{padding:12px 14px;border:1px solid var(--line2);border-radius:12px;background:rgba(var(--bgr),.5)}
.ba-offer dt{font-size:13px;color:var(--mute)}
.ba-offer dd{margin:6px 0 0;font-size:16px;font-weight:600;line-height:1.5;color:var(--ink)}
.ba-offer-cta{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 0}
.ba-offer-cta .ba-btn{display:inline-flex;align-items:center;min-height:48px;padding:0 24px;border-radius:12px;background:var(--hit);color:#0A0F05;font-weight:700;text-decoration:none}
.ba-offer-cta .ba-btn2{display:inline-flex;align-items:center;min-height:48px;padding:0 20px;text-decoration:none;color:var(--ink)}
@media print{.ba-offer{background:#fff;border-color:#8ab800}.ba-offer-cta{display:none}}


/* V32.7 · light theme (dark stays the default) */
:root[data-theme=light]{--bg:#F4F6FA;--panel:#FFFFFF;--ink:#0F172A;--soft:#334155;--mute:#586476;--dim:#768295;--line:rgba(15,23,42,.1);--line2:rgba(15,23,42,.18);
  --tint:15,23,42;--bgr:244,246,250;--pop:#FFFFFF;--hit:#A3E635;--hit-t:#3F6212;--fdd:#0EA5A0;--fdd-t:#0F766E;--tdd:#7C5CFA;--sdl:#F59E0B;--sdl-t:#B45309;--part:#F59E0B;--miss:#EF4444;--miss-t:#B91C1C;
  --bt-t:#5B3FD6;--sh:0 1px 2px rgba(15,23,42,.06),0 10px 28px rgba(15,23,42,.07);color-scheme:light}
:root[data-theme=light] .ba-tr .hl,:root[data-theme=light] .ba-tr .fl{stroke:#65A30D}
:root[data-theme=light] .ba-tr circle.h{fill:#65A30D}
:root[data-theme=light] .ba-tr circle.f{stroke:#65A30D}
:root[data-theme=light] .ba-pt-on{border-color:rgba(101,163,13,.5)}
:root[data-theme=light] .ba-pu-sp circle:last-of-type,:root[data-theme=light] .ba-pu-sp circle.on{fill:#65A30D;stroke:#65A30D}
:root[data-theme=light] .ba-pal-bg{background:rgba(15,23,42,.35)}

/* V32.7 · softer, friendlier surfaces */
body.ba{background:radial-gradient(1100px 540px at 10% -8%,rgba(198,255,58,.075),transparent 62%),radial-gradient(900px 500px at 92% -6%,rgba(34,229,212,.065),transparent 60%),var(--bg);background-repeat:no-repeat}
:root[data-theme=light] body.ba{background:radial-gradient(1100px 540px at 10% -8%,rgba(163,230,53,.22),transparent 62%),radial-gradient(900px 500px at 92% -6%,rgba(14,165,160,.13),transparent 60%),var(--bg);background-repeat:no-repeat}
.ba-pu-c,.ba-rc,.ba-qc,.ba-pt-d,.ba-cty,.ba-more-i,.ba-rec,.ba-conflict,.ba-offer,.ba-tool-in{border-radius:18px}
.ba-pu-c,.ba-rc,.ba-qc,.ba-pt-d,.ba-cty,.ba-more-i,.ba-rec,.ba-conflict{background:linear-gradient(180deg,rgba(var(--tint),.05),rgba(var(--tint),.015)),var(--panel);border:1px solid var(--line);box-shadow:var(--sh)}
.ba-pu-c,.ba-cty,.ba-more-i,.ba-int a,.ba-pt-t{transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.ba-pu-c:hover,.ba-cty:hover,.ba-more-i:hover,.ba-int a:hover{transform:translateY(-2px);border-color:var(--line2)}
.ba-pt-t:hover{transform:translateY(-1px)}
.ba-int a{border-radius:14px;border:1px solid var(--line);border-left:3px solid var(--hit);background:linear-gradient(180deg,rgba(var(--tint),.05),rgba(var(--tint),.015)),var(--panel);box-shadow:var(--sh)}
.ba-int a{display:grid;grid-template-columns:auto 1fr;column-gap:12px;align-items:start;padding:14px 16px}
.ba-int a .ba-ico{grid-row:span 2;width:22px;height:22px;margin-top:2px;color:var(--hit-t)}
.ba-ico{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;vertical-align:-3px}
.ba-main .ba-pu-h2{display:flex;align-items:center;gap:10px}
.ba-pu-h2 .ba-ico{box-sizing:content-box;width:20px;height:20px;padding:8px;border-radius:12px;background:rgba(198,255,58,.14);color:var(--hit-t)}
.ba-nav{background:rgba(var(--bgr),.74);-webkit-backdrop-filter:saturate(160%) blur(16px);backdrop-filter:saturate(160%) blur(16px)}
.ba-dd-p,.ba-pal{box-shadow:0 24px 60px rgba(0,0,0,.35)}
:root[data-theme=light] .ba-dd-p,:root[data-theme=light] .ba-pal,:root[data-theme=light] #ba-hs-list{box-shadow:0 18px 50px rgba(15,23,42,.14)}
.ba-hs-go,.ba-tool .ba-btn,.ba-qc .ba-btn,.ba-offer-cta .ba-btn{box-shadow:0 8px 22px rgba(198,255,58,.22)}
:root[data-theme=light] .ba-hs-box{background:#fff;box-shadow:0 0 0 5px rgba(163,230,53,.18),0 12px 32px rgba(15,23,42,.08)}
.ba-pu-n{font-size:14px;line-height:1.65}
.ba-pu-s,.ba-pu-tip,.ba-pl-s,.ba-legend,.ba-rc-s{font-size:13px}
.ba-sm{font-size:14px;line-height:1.7}
.ba-main p,.ba-main li{line-height:1.8}
/* theme switch, back-to-top, glossary */
.ba-theme{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;margin-left:6px;border:1px solid var(--line2);border-radius:10px;background:transparent;color:var(--soft);cursor:pointer}
.ba-theme:hover{color:var(--ink);border-color:rgba(198,255,58,.55)}
.ba-theme .ba-sun{display:none}
:root[data-theme=light] .ba-theme .ba-sun{display:block}
:root[data-theme=light] .ba-theme .ba-moon{display:none}
.ba-top{position:fixed;right:22px;bottom:26px;z-index:55;width:46px;height:46px;border:1px solid var(--line2);border-radius:50%;background:rgba(var(--bgr),.82);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:var(--ink);font-size:20px;cursor:pointer;opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity .2s,transform .2s;box-shadow:var(--sh)}
.ba-top.on{opacity:1;transform:none;pointer-events:auto}
.ba-top:hover{border-color:var(--hit)}
.ba-gl{border-bottom:1.5px dotted var(--mute);cursor:help;text-decoration:none}
.ba-gl:hover,.ba-gl:focus{border-bottom-color:var(--hit-t);color:var(--ink);outline:none}
.ba-gl-tip{position:absolute;z-index:90;max-width:320px;padding:12px 14px;border:1px solid var(--line2);border-radius:14px;background:var(--pop);color:var(--soft);font-size:14px;line-height:1.65;box-shadow:0 18px 44px rgba(0,0,0,.3)}
.ba-gl-tip b{display:block;margin-bottom:3px;color:var(--ink);font-size:14px}
.ba-gl-tip[hidden]{display:none}
@media (max-width:600px){.ba-top{right:14px;bottom:16px}.ba-gl-tip{max-width:calc(100vw - 28px)}}
@media (prefers-reduced-motion:reduce){.ba-pu-c,.ba-cty,.ba-more-i,.ba-int a,.ba-pt-t,.ba-top{transition:none}.ba-pu-c:hover,.ba-cty:hover,.ba-more-i:hover,.ba-int a:hover{transform:none}}
@media print{.ba-theme,.ba-top,.ba-gl-tip{display:none!important}.ba-gl{border:0}}

.ba-nt .ba-cc label{transition:none!important}
:root[data-theme=light] .ba-sitebar{--bg:#070B12;--panel:#0D131D;--ink:#EEF2F8;--soft:#D0D7E2;--mute:#9AA5B7;--dim:#737E91;--line:rgba(238,242,248,.11);--line2:rgba(238,242,248,.2);--tint:238,242,248;--bgr:7,11,18;--pop:#0F1622;--hit:#C6FF3A;--hit-t:#C6FF3A;background:#070B12;color:#EEF2F8;color-scheme:dark}

/* V32.9 · reading comfort */
:root:not([data-theme=light]){--mute:#A7B1C2;--dim:#848FA1}
:root[data-theme=light]{--soft:#283548;--mute:#465366;--dim:#667285}
.ba-main{font-size:17px}
.ba-main p,.ba-main li{line-height:1.85}
.ba-main .ba-sm,.ba-keys,.ba-faq,.ba-answer p,.ba-lead,.ba-help,.ba-main>p{max-width:46em}
.ba-main h2{font-size:26px;line-height:1.35;margin:60px 0 18px;letter-spacing:.005em}
.ba-main h3{font-size:19px;line-height:1.45}
.ba-answer{padding:18px 22px;border-radius:0 16px 16px 0;background:rgba(198,255,58,.055)}
.ba-answer p{margin:0;font-size:18px;line-height:1.9}
.ba-keys li{margin:0 0 12px}
.ba-faq{line-height:1.8}
.ba-t{font-size:15px}
.ba-t th,.ba-t td{padding:12px 14px}
.ba-t tbody tr:nth-child(even){background:rgba(var(--tint),.028)}
.ba-t tbody tr{transition:background .15s}
.ba-t tbody tr:hover{background:rgba(198,255,58,.06)}
.ba-ref{margin-left:2px;font-size:11px;line-height:0;vertical-align:super}
.ba-ref a{display:inline-block;min-width:1.55em;padding:1px 5px;border-radius:7px;background:rgba(var(--tint),.08);color:var(--mute);font-weight:600;line-height:1.45;text-align:center;text-decoration:none}
.ba-ref a:hover,.ba-ref a:focus{background:rgba(198,255,58,.2);color:var(--ink);outline:none}
.ba-gl-more{display:block;margin-top:6px;font-size:12.5px;color:var(--dim)}
.ba-help{margin:10px 0 0;font-size:14px;line-height:1.7;color:var(--mute)}
.ba-pus .ba-pu-tip{display:none}
.ba-pus .ba-pu-s{margin-top:10px;font-size:13px;color:var(--mute)}
.ba-pu-c{padding:18px 20px 16px}
.ba-pu-l{font-size:14px}
@media (max-width:600px){.ba-main{font-size:16px}.ba-answer p{font-size:17px}.ba-main h2{font-size:22px;margin-top:46px}.ba-t{font-size:14px}.ba-t th,.ba-t td{padding:10px 12px}}
.ba-ref a+a{margin-left:3px}
.ba-ops td.ba-st{min-width:7.5em;font-size:14px;line-height:1.55}
.ba-ops td.ba-bands{min-width:11em}
.ba-scroll{transition:box-shadow .2s}
.ba-scroll.ba-more-r{box-shadow:inset -28px 0 22px -22px rgba(0,0,0,.55)}
.ba-scroll.ba-more-l.ba-more-r{box-shadow:inset -28px 0 22px -22px rgba(0,0,0,.55),inset 28px 0 22px -22px rgba(0,0,0,.55)}
.ba-scroll.ba-more-l:not(.ba-more-r){box-shadow:inset 28px 0 22px -22px rgba(0,0,0,.55)}
:root[data-theme=light] .ba-scroll.ba-more-r{box-shadow:inset -28px 0 22px -22px rgba(15,23,42,.22)}
:root[data-theme=light] .ba-scroll.ba-more-l.ba-more-r{box-shadow:inset -28px 0 22px -22px rgba(15,23,42,.22),inset 28px 0 22px -22px rgba(15,23,42,.22)}
:root[data-theme=light] .ba-scroll.ba-more-l:not(.ba-more-r){box-shadow:inset 28px 0 22px -22px rgba(15,23,42,.22)}
.ba-scroll-hint{margin:8px 0 0;font-size:13px;color:var(--mute);text-align:right}
.ba-scroll-hint[hidden]{display:none}
@media print{.ba-scroll-hint{display:none}}

/* ============================ V32.10 · editorial precision ============================ */
/* light theme: Apple-grade greys and ink; lime stays as a small accent */
:root[data-theme=light]{--bg:#FBFBFD;--panel:#FFFFFF;--alt:#F5F5F7;--ink:#1D1D1F;--soft:#3A3A3F;--mute:#56565C;--dim:#7A7A80;--line:rgba(0,0,0,.08);--line2:rgba(0,0,0,.15);
  --tint:0,0,0;--bgr:251,251,253;--sh:0 1px 2px rgba(0,0,0,.04),0 8px 28px rgba(0,0,0,.06)}
:root{--alt:#0B1019}
:root[data-theme=light] body.ba{background:radial-gradient(1200px 600px at 50% -12%,rgba(163,230,53,.16),transparent 64%),var(--bg);background-repeat:no-repeat}
:root[data-theme=light] .ba-hs-go,:root[data-theme=light] .ba-tool .ba-btn,:root[data-theme=light] .ba-qc .ba-btn,:root[data-theme=light] .ba-offer-cta .ba-btn,:root[data-theme=light] .ba-fb .ba-btn,:root[data-theme=light] .ba-fbq .ba-btn{background:#1D1D1F;color:#fff;box-shadow:none}
:root[data-theme=light] .ba-hs-go:hover,:root[data-theme=light] .ba-tool .ba-btn:hover,:root[data-theme=light] .ba-qc .ba-btn:hover{background:#000}
:root[data-theme=light] .ba-cc label:has(input:checked){background:#1D1D1F;border-color:#1D1D1F;color:#fff}
:root[data-theme=light] .ba-pu-c,:root[data-theme=light] .ba-rc,:root[data-theme=light] .ba-qc,:root[data-theme=light] .ba-cty,:root[data-theme=light] .ba-more-i,:root[data-theme=light] .ba-rec,:root[data-theme=light] .ba-int a,:root[data-theme=light] .ba-pt-d{background:#fff;border-color:rgba(0,0,0,.06)}
:root[data-theme=light] .ba-int a{border-left-color:#1D1D1F}
:root[data-theme=light] .ba-hs-box{border-radius:999px;border-color:rgba(0,0,0,.12);box-shadow:0 2px 6px rgba(0,0,0,.04),0 16px 40px rgba(0,0,0,.07)}
:root[data-theme=light] .ba-eyebrow{background:rgba(0,0,0,.045);color:#3A3A3F}
/* hero: centred, calm, confident */
.ba-hero-x{text-align:center;padding:24px 0 8px}
.ba-hero-x .ba-crumb,.ba-hero-x nav[aria-label]{text-align:left}
.ba-eyebrow{display:inline-flex;align-items:center;gap:8px;margin:18px 0 0;padding:7px 16px;border-radius:999px;background:rgba(var(--tint),.07);font-size:14px;font-weight:600;letter-spacing:.02em;color:var(--soft)}
.ba-eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--hit)}
.ba-h1-x{margin:18px auto 0;max-width:13em;font-size:clamp(40px,5.8vw,76px);line-height:1.08;font-weight:700;letter-spacing:-.022em}
.ba-hero-x .ba-lead{margin:22px auto 0;max-width:36em;font-size:clamp(18px,1.6vw,21px);line-height:1.7;color:var(--mute)}
.ba-hero-x .ba-hs{max-width:760px;margin:34px auto 0;text-align:left}
.ba-hero-x .ba-hs-box{border-radius:999px;padding:6px 8px 6px 22px}
.ba-hero-x .ba-hs-go{border-radius:999px;min-height:48px;padding:0 26px}
.ba-hero-x .ba-hs-try{justify-content:center}
.ba-stats{margin:22px auto 0;font-size:14px;letter-spacing:.01em;color:var(--dim)}
/* spectrum art */
.ba-sp{margin:40px auto 0;max-width:1160px}
.ba-sp svg{display:block;width:100%;height:auto;overflow:visible}
.ba-sp-ax{stroke:var(--line2);stroke-width:1}
.ba-sp rect{transform-box:fill-box;transition:opacity .2s}
.ba-sp svg:hover rect{opacity:.35}
.ba-sp svg rect:hover{opacity:1}
.ba-sp-l{font:600 12px var(--num);fill:var(--soft)}
.ba-sp-k line{stroke:var(--mute);stroke-width:1}
.ba-sp-k text{font:500 12px var(--num);fill:var(--dim)}
.ba-sp figcaption{margin-top:10px;font-size:13px;color:var(--dim)}
.ba-sp figcaption i{display:inline-block;width:10px;height:10px;margin:0 4px 0 10px;border-radius:3px;vertical-align:-1px}
.ba-sp figcaption i.f{background:#22E5D4}.ba-sp figcaption i.t{background:#8C6BFF}.ba-sp figcaption i.s{background:#FFB23D}
.ba-rv-on .ba-sp-u{animation:ba-sp-up .9s cubic-bezier(.2,.7,.2,1) both;transform-origin:50% 100%}
.ba-rv-on .ba-sp-d{animation:ba-sp-up .9s cubic-bezier(.2,.7,.2,1) .15s both;transform-origin:50% 0%}
@keyframes ba-sp-up{from{transform:scaleY(.04);opacity:0}to{transform:none;opacity:1}}
/* section rhythm: full-bleed alternating bands, generous spacing */
.ba-main{isolation:isolate}
.ba-band{position:relative;margin:72px 0;padding:8px 0 40px}
.ba-band::before{content:"";position:absolute;z-index:-1;top:-24px;bottom:-8px;left:calc(50% - 50vw);width:100vw;background:var(--alt)}
.ba-band > section > h2:first-child,.ba-band > section h2:first-of-type{margin-top:40px}
.ba-hero-x + .ba-rv{margin-top:64px}
.ba-main h2{font-size:clamp(26px,2.6vw,36px);font-weight:700;letter-spacing:-.012em}
/* reveal on scroll (only while the observer runs) */
.ba-rv-on .ba-rv{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.ba-rv-on .ba-rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.ba-rv-on .ba-rv{opacity:1;transform:none;transition:none}.ba-rv-on .ba-sp-u,.ba-rv-on .ba-sp-d{animation:none}}
/* corrections */
.ba-fbbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 24px;margin:64px 0 8px;padding:20px 24px;border:1px solid var(--line);border-radius:20px;background:rgba(var(--tint),.03)}
.ba-fbbar b{display:block;font-size:17px;color:var(--ink)}
.ba-fbbar span{display:block;margin-top:4px;font-size:14px;color:var(--mute)}
.ba-fbbar .ba-btn2,.ba-fbsec .ba-btn2{display:inline-flex;align-items:center;min-height:44px;padding:0 20px;border:1px solid var(--line2);border-radius:999px;background:transparent;color:var(--ink);font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.ba-fbbar .ba-btn2:hover,.ba-fbsec .ba-btn2:hover{border-color:var(--ink)}
.ba-fb-link{margin:0;padding:0;border:0;background:none;color:var(--hit-t);font:inherit;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.ba-fb{width:min(560px,calc(100vw - 28px));max-height:calc(100vh - 40px);padding:0;border:1px solid var(--line2);border-radius:22px;background:var(--pop);color:var(--ink);box-shadow:0 30px 80px rgba(0,0,0,.35)}
.ba-fb::backdrop{background:rgba(0,0,0,.45);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.ba-fb-f,.ba-fb-out{padding:22px 24px 24px}
.ba-fb-hd{display:flex;align-items:center;justify-content:space-between}
.ba-fb-hd h2{margin:0!important;font-size:22px!important}
.ba-fb-x{width:36px;height:36px;border:0;border-radius:50%;background:rgba(var(--tint),.08);color:var(--ink);font-size:22px;line-height:1;cursor:pointer}
.ba-fb-ctx{margin:6px 0 14px;font-size:14px;color:var(--mute)}
.ba-fb label{display:block;margin:12px 0 0;font-size:14px;font-weight:600;color:var(--soft)}
.ba-fb label span{margin-left:8px;font-weight:400;color:var(--dim)}
.ba-fb select,.ba-fb textarea,.ba-fb input:not(.ba-hp),.ba-fbq input{display:block;box-sizing:border-box;width:100%;margin-top:6px;padding:11px 14px;border:1px solid var(--line2);border-radius:12px;background:var(--panel);color:var(--ink);font:inherit;font-size:15px}
.ba-fb textarea{resize:vertical}
.ba-fb :focus-visible,.ba-fbq input:focus-visible{outline:2px solid var(--hit);outline-offset:1px}
.ba-fb .ba-bad{border-color:var(--miss)}
.ba-fb-2{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
.ba-hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0}
.ba-fb-pv{margin:14px 0 0;font-size:12.5px;line-height:1.6;color:var(--dim)}
.ba-fb-act{display:flex;gap:10px;margin-top:18px}
.ba-fb .ba-btn{display:inline-flex;align-items:center;min-height:46px;padding:0 26px;border:0;border-radius:999px;background:var(--hit);color:#0A0F05;font:inherit;font-weight:700;cursor:pointer}
.ba-fb .ba-btn2{display:inline-flex;align-items:center;min-height:46px;padding:0 20px;border:1px solid var(--line2);border-radius:999px;background:transparent;color:var(--ink);font:inherit;cursor:pointer;text-decoration:none}
.ba-fb-done h3{margin:0 0 8px;font-size:20px}
.ba-fb-id{display:inline-block;margin:4px 0 10px;padding:6px 12px;border-radius:10px;background:rgba(198,255,58,.14);font:700 18px var(--num);letter-spacing:.04em;color:var(--hit-t)}
.ba-fb-pre{white-space:pre-wrap;margin:10px 0 14px;padding:12px 14px;border-radius:12px;background:rgba(var(--tint),.05);font-size:13px;line-height:1.6;color:var(--soft)}
.ba-fbsec{margin-top:56px}
.ba-fbq{max-width:560px;margin:22px 0 8px}
.ba-fbq label{font-weight:600;color:var(--soft)}
.ba-fbq-row{display:flex;gap:10px;margin-top:8px}
.ba-fbq-row input{margin-top:0}
.ba-fbq .ba-btn{flex:none;min-height:46px;padding:0 22px;border:0;border-radius:999px;background:var(--hit);color:#0A0F05;font:inherit;font-weight:700;cursor:pointer}
.ba-fblog{list-style:none;padding:0;margin:10px 0 18px}
.ba-fblog li{padding:14px 0;border-bottom:1px solid var(--line)}
.ba-fblog-h{margin:0 0 4px;font-size:14px;color:var(--mute)}
@media (max-width:600px){.ba-fb-2{grid-template-columns:1fr}.ba-band{margin:48px 0}.ba-h1-x{max-width:none}.ba-fbbar{padding:18px}}
@media print{.ba-fbbar,.ba-fb,.ba-fb-link{display:none!important}.ba-band::before{display:none}.ba-rv{opacity:1!important;transform:none!important}}
.ba-sp-gf stop{stop-color:#22E5D4}.ba-sp-gt stop{stop-color:#8C6BFF}.ba-sp-gs stop{stop-color:#FFB23D}
:root[data-theme=light] .ba-sp-gf stop{stop-color:#0EA5A0}:root[data-theme=light] .ba-sp-gt stop{stop-color:#7C5CFA}:root[data-theme=light] .ba-sp-gs stop{stop-color:#E08A00}

/* V32.11 · printable compatibility report: a sheet of paper on screen, a clean A4 in print */
.ba-rep-go{display:inline-flex;align-items:center}
.ba-rep-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;max-width:860px;margin:28px auto 16px}
.ba-rep-bar .ba-btn,.ba-rep-bar .ba-btn2{display:inline-flex;align-items:center;min-height:44px;padding:0 20px;border-radius:999px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.ba-rep-bar .ba-btn{border:0;background:var(--hit);color:#0A0F05}
.ba-rep-bar .ba-btn2{border:1px solid var(--line2);background:transparent;color:var(--ink)}
:root[data-theme=light] .ba-rep-bar .ba-btn{background:#1D1D1F;color:#fff}
.ba-rep{--rink:#1D1D1F;--rsoft:#3A3A3F;--rmute:#6E6E73;--rline:#E3E3E8;max-width:860px;margin:0 auto 40px;padding:44px 48px;border-radius:18px;background:#fff;color:var(--rink);box-shadow:0 2px 6px rgba(0,0,0,.08),0 24px 60px rgba(0,0,0,.18);font-size:14.5px;line-height:1.65}
.ba-rep-empty{color:var(--rmute)}
.ba-rep-brand{margin:0;font-size:13px;font-weight:600;letter-spacing:.04em;color:#4D7C0F}
.ba-rep h1{margin:6px 0 18px;font-size:30px;line-height:1.2;font-weight:700;letter-spacing:-.01em;color:var(--rink)}
.ba-rep-meta{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin:0 0 22px;border:1px solid var(--rline);border-radius:12px;overflow:hidden}
.ba-rep-meta div{padding:10px 14px;border-right:1px solid var(--rline)}
.ba-rep-meta div:last-child{border-right:0}
.ba-rep-meta dt{font-size:12px;color:var(--rmute)}
.ba-rep-meta dd{margin:2px 0 0;font-weight:700;color:var(--rink);word-break:break-word}
.ba-rep h2{margin:22px 0 10px;font-size:18px;font-weight:700;color:var(--rink)}
.ba-rep-cnt{margin-left:10px;font-size:13px;font-weight:600;color:var(--rmute)}
.ba-rep-bands{margin:0;font:600 14px var(--num);letter-spacing:.02em;color:var(--rink)}
.ba-rep-raw{margin:6px 0 0;font-size:12.5px;color:var(--rmute);word-break:break-word}
.ba-rep-sum{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:22px 0 6px;padding:14px 16px;border-radius:14px;background:#F5F5F7}
.ba-rep-k{display:flex;align-items:baseline;gap:6px;padding:6px 14px;border-radius:999px;background:#fff}
.ba-rep-k b{font:700 20px var(--num)}
.ba-rep-k-good b{color:#3F6212}.ba-rep-k-limited b{color:#B45309}.ba-rep-k-no b{color:#B91C1C}
.ba-rep-k span{font-size:13px;color:var(--rsoft)}
.ba-rep-sum-t{margin:0 0 0 auto;font-size:13px;color:var(--rmute)}
.ba-rep-t{width:100%;border-collapse:collapse;font-size:13.5px}
.ba-rep-t th,.ba-rep-t td{padding:9px 10px;border-bottom:1px solid var(--rline);text-align:left;vertical-align:top;color:var(--rink)}
.ba-rep-t thead th{font-size:12px;font-weight:600;color:var(--rmute);background:#FAFAFC}
.ba-rep-t tbody th{width:20%;font-weight:700}
.ba-rep-t td:nth-child(2){width:13%;white-space:nowrap}
.ba-rep-n{width:8%;font:600 14px var(--num)}
.ba-rep .ba-pill{border:1px solid currentColor;background:transparent}
.ba-rep .ba-good{color:#3F6212}.ba-rep .ba-limited{color:#B45309}.ba-rep .ba-no{color:#B91C1C}.ba-rep .ba-unk{color:#6E6E73}
.ba-rep-5g{display:block;margin-top:3px;font-size:12.5px;color:var(--rsoft)}
.ba-rep-notes ul{margin:0;padding-left:18px;color:var(--rsoft);font-size:13px}
.ba-rep-notes li{margin:4px 0}
.ba-rep-ft{display:flex;gap:18px;align-items:center;margin-top:26px;padding-top:18px;border-top:1px solid var(--rline)}
.ba-rep-qr{flex:none;width:112px;height:112px}
.ba-rep-qr svg{display:block;width:112px!important;height:112px!important}
.ba-rep-ftx p{margin:0 0 4px;font-size:12.5px;color:var(--rsoft)}
.ba-rep-url{display:block;margin:0 0 8px;font:12px var(--num);color:#4D7C0F;word-break:break-all}
.ba-rep-disc{color:var(--rmute)!important}
@media (max-width:760px){.ba-rep{padding:26px 18px;border-radius:14px}.ba-rep-meta{grid-template-columns:1fr 1fr}.ba-rep-meta div:nth-child(2){border-right:0}.ba-rep-meta div:nth-child(-n+2){border-bottom:1px solid var(--rline)}.ba-rep-t tbody th{width:auto}}
@media print{
  @page{size:A4;margin:13mm 12mm}
  body.ba{background:#fff!important}
  .ba-sitebar,.ba-nav,.ba-foot,.ba-fbbar,.ba-rep-bar,.ba-top,.ba-crumb,nav.ba-crumbs{display:none!important}
  .ba-main{max-width:none;padding:0;margin:0}
  .ba-rep{max-width:none;margin:0;padding:0;box-shadow:none;border-radius:0;font-size:10.5pt;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .ba-rep h1{font-size:20pt}.ba-rep h2{font-size:12.5pt;margin-top:14pt;break-after:avoid}
  .ba-rep-c{break-inside:auto}.ba-rep-t tr{break-inside:avoid}.ba-rep-t thead{display:table-header-group}
  .ba-rep-ft{break-inside:avoid}
}

/* V32.11 · certification guide, and white paper for every print */
.ba-certlink{margin:14px 0 0}
.ba-certlink a{display:inline-flex;align-items:center;gap:6px;padding:10px 16px;border:1px solid var(--line2);border-radius:999px;font-size:15px;font-weight:600;color:var(--ink);text-decoration:none}
.ba-certlink a:hover{border-color:var(--ink)}
.ba-certt td{min-width:12em;font-size:14px;line-height:1.6;vertical-align:top}
.ba-certt th[scope=row]{min-width:8em;vertical-align:top}
.ba-certt td.ba-cert-ours{min-width:13em;font-size:13px;color:var(--mute)}
.ba-certt tr:target{background:rgba(198,255,58,.12)}
.ba-certm td{white-space:nowrap;font-size:14px}
@media print{:root,:root[data-theme]{color-scheme:light!important}html,:root,body.ba{background:#fff!important;color:#000}}

/* V32.12 · SI commitment */
.ba-si-ph .ba-eyebrow{margin:0 0 10px}
.ba-si-g{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.ba-si-t{padding:20px 22px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,rgba(var(--tint),.05),rgba(var(--tint),.015)),var(--panel);box-shadow:var(--sh)}
.ba-main .ba-si-t h3{margin:0 0 8px;font-size:18px;color:var(--ink)}
.ba-si-t p{margin:0;font-size:15px;line-height:1.75;color:var(--soft)}
.ba-si-t a{display:inline-block;margin-top:10px;font-weight:600;color:var(--hit-t)}

/* ============================ V32.15 · Apple / Google-grade type, colour and a touch of the future ============================ */
:root{--sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI Variable Text","Segoe UI","PingFang SC","Hiragino Sans GB","Noto Sans SC","Noto Sans CJK SC","Microsoft YaHei",Roboto,"Helvetica Neue",Arial,sans-serif;
  --display:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI Variable Display","Segoe UI","PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",Roboto,sans-serif;
  --num:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI Variable Display","Segoe UI",Roboto,"Helvetica Neue",sans-serif}
:root:not([data-theme=light]){--ink:#F5F5F7;--soft:#D2D2D7;--mute:#A1A1A6;--dim:#86868B}
:root[data-theme=light]{--ink:#1D1D1F;--soft:#424245;--mute:#6E6E73;--dim:#86868B}
html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-kerning:normal}
body.ba{font-family:var(--sans);font-feature-settings:"kern","liga","calt"}
.ba-main h1,.ba-main h2,.ba-main h3,.ba-h1,.ba-eyebrow,.ba-nav{font-family:var(--display)}
.ba-main h1,.ba-h1{font-weight:700;letter-spacing:-.022em}
.ba-main h2{font-weight:650;letter-spacing:-.014em}
html[lang^=zh] .ba-main h1,html[lang^=zh] .ba-h1,html[lang^=zh] .ba-main h2{letter-spacing:.005em}
.ba-n,.ba-num,.ba-pu-v,.ba-stats,.ba-t td,.ba-rep-n,.ba-sp-l,.ba-sp-k text{font-variant-numeric:tabular-nums lining-nums}
.ba-main p,.ba-main li{color:var(--soft)}
.ba-main b,.ba-main strong{color:var(--ink);font-weight:650}
.ba-meta,.ba-sm,.ba-src-m{color:var(--mute)}
/* headline sheen (Apple product-page style), kept subtle */
.ba-h1-x,.ba-ph h1{background:linear-gradient(180deg,var(--ink) 30%,color-mix(in srgb,var(--ink) 72%,var(--hit) 28%) 120%);-webkit-background-clip:text;background-clip:text;color:transparent}
@supports not (color:color-mix(in srgb,red,blue)){.ba-h1-x,.ba-ph h1{background:none;color:var(--ink)}}
/* aurora behind the hero: the brand's three colours drifting slowly */
.ba-hero-x{position:relative}
.ba-hero-x::before{content:"";position:absolute;z-index:-1;left:calc(50% - 50vw);width:100vw;top:-120px;height:760px;pointer-events:none;
  background:radial-gradient(34% 42% at 22% 34%,rgba(198,255,58,.16),transparent 70%),radial-gradient(30% 40% at 78% 26%,rgba(34,229,212,.15),transparent 70%),radial-gradient(34% 44% at 52% 78%,rgba(140,107,255,.13),transparent 72%);
  filter:blur(8px);animation:ba-aurora 22s ease-in-out infinite alternate}
:root[data-theme=light] .ba-hero-x::before{background:radial-gradient(34% 42% at 22% 34%,rgba(163,230,53,.26),transparent 70%),radial-gradient(30% 40% at 78% 26%,rgba(14,165,160,.18),transparent 70%),radial-gradient(34% 44% at 52% 78%,rgba(124,92,250,.14),transparent 72%)}
@keyframes ba-aurora{0%{transform:translate3d(-2%,0,0) scale(1)}50%{transform:translate3d(2%,-2%,0) scale(1.04)}100%{transform:translate3d(-1%,2%,0) scale(1.02)}}
/* luminous hairline under the atlas navigation */
.ba-nav::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;pointer-events:none;background:linear-gradient(90deg,transparent,rgba(198,255,58,.55) 30%,rgba(34,229,212,.55) 60%,rgba(140,107,255,.4) 80%,transparent)}
:root[data-theme=light] .ba-nav::after{opacity:.55}
/* gradient edge on hover for cards */
.ba-pu-c:hover,.ba-cty:hover,.ba-more-i:hover,.ba-si-t:hover{border-color:transparent;
  background:linear-gradient(180deg,rgba(var(--tint),.05),rgba(var(--tint),.015)) padding-box,linear-gradient(var(--panel),var(--panel)) padding-box,linear-gradient(135deg,rgba(198,255,58,.7),rgba(34,229,212,.55),rgba(140,107,255,.55)) border-box}
.ba-si-t{transition:transform .18s ease,border-color .18s ease}
.ba-si-t:hover{transform:translateY(-2px)}
/* focus: a soft luminous ring */
.ba-main a:focus-visible,.ba-main button:focus-visible,.ba-nav a:focus-visible,.ba-nav button:focus-visible{outline:2px solid rgba(198,255,58,.9);outline-offset:2px;border-radius:8px}
/* band encyclopedia */
.ba-band-ph .ba-eyebrow{margin:0 0 10px}
.ba-bl{font-weight:700;color:var(--ink);text-decoration:none;border-bottom:1px dotted var(--mute)}
.ba-bl:hover{color:var(--hit-t);border-bottom-color:var(--hit-t)}
.ba-bn{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:28px 0 8px}
.ba-bn a{display:inline-flex;align-items:center;min-height:42px;padding:0 16px;border:1px solid var(--line2);border-radius:999px;color:var(--ink);font-weight:600;text-decoration:none}
.ba-bn a:hover{border-color:var(--ink)}
.ba-bn .ba-btn2{margin-left:auto}
@media (max-width:600px){.ba-bn .ba-btn2{margin-left:0}}
@media (prefers-reduced-motion:reduce){.ba-hero-x::before{animation:none}.ba-si-t:hover{transform:none}}
@media print{.ba-hero-x::before,.ba-nav::after{display:none}.ba-h1-x,.ba-ph h1{background:none;color:#000}}