/* ───────── tokens ───────── */
:root{
  --bg:#f3efe9; --panel:rgba(255,255,255,.74); --panel-solid:#fff; --ink:#151821; --muted:#6b7280; --line:rgba(21,24,33,.10); --line-2:rgba(21,24,33,.18);
  --ember:#ff6a1a; --ember-2:#ff3d71; --ember-soft:rgba(255,106,26,.14); --glow:rgba(255,106,26,.35);
  --red:#e5322d; --red-soft:rgba(229,50,45,.14); --blue:#2f6bff; --blue-soft:rgba(47,107,255,.14);
  --ok:#159a5b; --ok-soft:rgba(21,154,91,.14); --warn:#c47a09; --warn-soft:rgba(196,122,9,.14);
  --z1:#0891b2; --z2:#7c3aed; --z3:#e11d48; --gray:#8b93a1;
  --a1:#ffb36b; --a2:#ff6f91; --a3:#7cc7ff; --a4:#ffe08a; --a-op:.55; --noise-op:.06;
  --sh-1:0 1px 2px rgba(20,24,40,.05),0 4px 14px rgba(20,24,40,.06);
  --sh-2:0 10px 30px rgba(20,24,40,.12);
  --r:20px; --r-s:14px; --r-xs:11px;
  --e:cubic-bezier(.22,.9,.28,1); --e-b:cubic-bezier(.34,1.56,.64,1); --d:.22s; --d-s:.14s;
  --nav-h:66px;
}
@media (prefers-color-scheme:dark){:root:not([data-t="light"]){
  --bg:#0b0d12; --panel:rgba(22,26,36,.72); --panel-solid:#161a24; --ink:#eef0f5; --muted:#8f97a6; --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.16);
  --ember:#ff7a2e; --ember-2:#ff4d7d; --ember-soft:rgba(255,122,46,.16); --glow:rgba(255,122,46,.38);
  --red:#ff5f57; --red-soft:rgba(255,95,87,.16); --blue:#5b8cff; --blue-soft:rgba(91,140,255,.16);
  --ok:#3ddc84; --ok-soft:rgba(61,220,132,.14); --warn:#f2b544; --warn-soft:rgba(242,181,68,.14);
  --z1:#22d3ee; --z2:#a78bfa; --z3:#fb7185; --gray:#6b7280;
  --a1:#ff7a2e; --a2:#ff2d6f; --a3:#2d7dff; --a4:#ffcc4d; --a-op:.42; --noise-op:.09;
  --sh-1:0 1px 2px rgba(0,0,0,.35),0 6px 18px rgba(0,0,0,.3); --sh-2:0 14px 40px rgba(0,0,0,.5);
}}
:root[data-t="dark"]{
  --bg:#0b0d12; --panel:rgba(22,26,36,.72); --panel-solid:#161a24; --ink:#eef0f5; --muted:#8f97a6; --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.16);
  --ember:#ff7a2e; --ember-2:#ff4d7d; --ember-soft:rgba(255,122,46,.16); --glow:rgba(255,122,46,.38);
  --red:#ff5f57; --red-soft:rgba(255,95,87,.16); --blue:#5b8cff; --blue-soft:rgba(91,140,255,.16);
  --ok:#3ddc84; --ok-soft:rgba(61,220,132,.14); --warn:#f2b544; --warn-soft:rgba(242,181,68,.14);
  --z1:#22d3ee; --z2:#a78bfa; --z3:#fb7185; --gray:#6b7280;
  --a1:#ff7a2e; --a2:#ff2d6f; --a3:#2d7dff; --a4:#ffcc4d; --a-op:.42; --noise-op:.09;
  --sh-1:0 1px 2px rgba(0,0,0,.35),0 6px 18px rgba(0,0,0,.3); --sh-2:0 14px 40px rgba(0,0,0,.5);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 -apple-system,"SF Pro Text","Inter",system-ui,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;overscroll-behavior-y:contain;min-height:100vh}
button,input,select,textarea{font-family:inherit;font-size:16px;touch-action:manipulation;color:inherit}
::selection{background:var(--ember);color:#fff}

/* ───────── aurora background ───────── */
#bg{position:fixed;inset:0;z-index:-1;overflow:hidden;background:var(--bg);pointer-events:none}
#bg i{position:absolute;border-radius:50%;filter:blur(70px);opacity:var(--a-op);will-change:transform}
#bg .b1{width:62vmax;height:62vmax;left:-18vmax;top:-22vmax;background:radial-gradient(circle at 40% 40%,var(--a1),transparent 62%);animation:drift1 18s ease-in-out infinite alternate}
#bg .b2{width:58vmax;height:58vmax;right:-20vmax;top:6vmax;background:radial-gradient(circle at 60% 40%,var(--a2),transparent 62%);animation:drift2 23s ease-in-out infinite alternate}
#bg .b3{width:66vmax;height:66vmax;left:8vmax;bottom:-30vmax;background:radial-gradient(circle at 50% 50%,var(--a3),transparent 62%);animation:drift3 27s ease-in-out infinite alternate}
#bg .b4{width:40vmax;height:40vmax;right:4vmax;bottom:-8vmax;background:radial-gradient(circle at 50% 50%,var(--a4),transparent 62%);animation:drift1 15s ease-in-out infinite alternate-reverse}
#bg .noise{position:absolute;inset:0;opacity:var(--noise-op);background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .6 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");background-size:180px 180px}
#bg .sp{position:absolute;bottom:-12px;border-radius:50%;background:var(--a4);box-shadow:0 0 6px 2px var(--a1);opacity:0;animation:rise linear infinite;will-change:transform,opacity}
@keyframes rise{0%{transform:translate3d(0,0,0) scale(.5);opacity:0}8%{opacity:var(--sp-op,.9)}60%{opacity:var(--sp-op,.9)}100%{transform:translate3d(var(--dx,20px),-108vh,0) scale(1.1);opacity:0}}
@keyframes drift1{
  0%{transform:translate3d(0,0,0) scale(1);opacity:var(--a-op)}
  50%{transform:translate3d(16vmax,9vmax,0) scale(1.28);opacity:calc(var(--a-op) * 1.3)}
  100%{transform:translate3d(5vmax,17vmax,0) scale(.92);opacity:calc(var(--a-op) * .75)}}
@keyframes drift2{
  0%{transform:translate3d(0,0,0) scale(1.05);opacity:var(--a-op)}
  50%{transform:translate3d(-18vmax,11vmax,0) scale(.82);opacity:calc(var(--a-op) * .7)}
  100%{transform:translate3d(-7vmax,20vmax,0) scale(1.2);opacity:calc(var(--a-op) * 1.25)}}
@keyframes drift3{
  0%{transform:translate3d(0,0,0) scale(1);opacity:var(--a-op)}
  50%{transform:translate3d(13vmax,-15vmax,0) scale(1.22);opacity:calc(var(--a-op) * 1.2)}
  100%{transform:translate3d(-6vmax,-6vmax,0) scale(.9);opacity:calc(var(--a-op) * .8)}}

@keyframes fadeUp{from{opacity:0;transform:translate3d(0,14px,0)}to{opacity:1;transform:none}}
@keyframes pop{0%{transform:scale(1)}42%{transform:scale(1.16)}100%{transform:scale(1)}}
@keyframes chk{0%{transform:scale(.4) rotate(-18deg);opacity:0}60%{transform:scale(1.18) rotate(4deg)}100%{transform:scale(1) rotate(0);opacity:1}}
@keyframes slideIn{from{opacity:0;transform:translate3d(-16px,0,0)}to{opacity:1;transform:none}}
@keyframes shake{10%,90%{transform:translateX(-2px)}30%,70%{transform:translateX(4px)}50%{transform:translateX(-4px)}}
@keyframes ripple{to{transform:scale(2.6);opacity:0}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
@keyframes toastIn{from{opacity:0;transform:translate3d(0,22px,0) scale(.94)}to{opacity:1;transform:none}}
@keyframes sheetIn{from{transform:translate3d(0,100%,0)}to{transform:none}}
@keyframes dim{from{opacity:0}to{opacity:1}}
@keyframes flame{0%,100%{transform:translateY(0) rotate(-3deg)}50%{transform:translateY(-2px) rotate(3deg)}}

/* ───────── header ───────── */
header{position:sticky;top:0;z-index:30;padding:calc(10px + env(safe-area-inset-top)) 14px 10px;display:flex;align-items:center;gap:10px;
  background:linear-gradient(to bottom,color-mix(in srgb,var(--bg) 88%,transparent),color-mix(in srgb,var(--bg) 40%,transparent));backdrop-filter:blur(18px) saturate(1.5);-webkit-backdrop-filter:blur(18px) saturate(1.5)}
.logo{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--ember),var(--ember-2));display:grid;place-items:center;box-shadow:0 6px 18px var(--glow);font-size:19px;animation:flame 3s ease-in-out infinite}
.brand h1{font-size:17px;margin:0;letter-spacing:-.02em;font-weight:800;line-height:1.1}
.brand .ev{font-size:11.5px;color:var(--muted);font-weight:600;letter-spacing:.02em}
.sync{margin-left:auto;font-size:11.5px;font-weight:800;padding:6px 12px;border-radius:20px;white-space:nowrap;background:var(--panel);color:var(--muted);border:1px solid var(--line);cursor:pointer;display:flex;align-items:center;gap:6px;transition:background var(--d),color var(--d),border-color var(--d),transform var(--d-s)}
.sync::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.6}
.sync:active{transform:scale(.93)}
.sync.ok{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 40%,transparent)}.sync.ok::before{box-shadow:0 0 8px var(--ok);opacity:1}
.sync.bad{color:var(--warn);border-color:color-mix(in srgb,var(--warn) 40%,transparent)}
.sync.busy::before{animation:pulse .9s ease-in-out infinite}

/* ───────── bottom nav ───────── */
nav{position:fixed;left:0;right:0;bottom:0;z-index:40;height:calc(var(--nav-h) + env(safe-area-inset-bottom));padding:6px 8px env(safe-area-inset-bottom);
  background:color-mix(in srgb,var(--panel-solid) 78%,transparent);backdrop-filter:blur(22px) saturate(1.6);-webkit-backdrop-filter:blur(22px) saturate(1.6);border-top:1px solid var(--line);display:flex;gap:4px}
nav button{flex:1;border:0;background:transparent;color:var(--muted);font-weight:700;font-size:10.5px;letter-spacing:.02em;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;border-radius:14px;transition:color var(--d) var(--e),transform var(--d-s) var(--e),background var(--d)}
nav button svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--d) var(--e-b)}
nav button:active{transform:scale(.9)}
nav button[aria-selected=true]{color:var(--ember);background:var(--ember-soft)}
nav button[aria-selected=true] svg{transform:translateY(-1px) scale(1.08)}
nav button .zh{font-size:9px;opacity:.7;font-weight:600;margin-top:-2px}

main{padding:6px 12px calc(var(--nav-h) + 30px + env(safe-area-inset-bottom));max-width:820px;margin:0 auto}
main.fab-on{padding-bottom:calc(var(--nav-h) + 96px + env(safe-area-inset-bottom))}
section[hidden]{display:none}
section:not([hidden])>*{animation:fadeUp .36s var(--e) both}
section:not([hidden])>*:nth-child(2){animation-delay:.05s}section:not([hidden])>*:nth-child(3){animation-delay:.09s}
section:not([hidden])>*:nth-child(4){animation-delay:.13s}section:not([hidden])>*:nth-child(n+5){animation-delay:.17s}

/* ───────── cards ───────── */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:18px 16px;margin:0 0 12px;box-shadow:var(--sh-1);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);position:relative;transition:box-shadow var(--d) var(--e),border-color var(--d)}
.card.alR{border-color:color-mix(in srgb,var(--red) 55%,transparent);box-shadow:var(--sh-1),0 0 0 3px var(--red-soft)}
.card.alB{border-color:color-mix(in srgb,var(--blue) 55%,transparent);box-shadow:var(--sh-1),0 0 0 3px var(--blue-soft)}
.card h2{font-size:15px;margin:0 0 14px;letter-spacing:-.01em;font-weight:800;display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.card h2 .ic{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;font-size:16px;background:var(--ember-soft);flex:none}
.card h2 .zh{font-size:12px;color:var(--muted);font-weight:600;margin-left:auto}
.f{margin:0 0 16px}.f:last-child{margin-bottom:0}
.f>label{display:block;font-size:14.5px;font-weight:700;margin-bottom:8px;letter-spacing:-.01em;line-height:1.3}
.f .zh{display:block;font-size:11.5px;color:var(--muted);font-weight:500;margin-top:2px;letter-spacing:0}
input[type=text],input[type=number],input[type=password],input[type=search],textarea{width:100%;padding:13px 14px;border:1.5px solid var(--line-2);border-radius:var(--r-s);background:color-mix(in srgb,var(--panel-solid) 55%,transparent);color:var(--ink);transition:border-color var(--d-s),box-shadow var(--d-s),background var(--d-s)}
textarea{min-height:64px;resize:vertical;line-height:1.55}
input:focus,textarea:focus{outline:0;border-color:var(--ember);box-shadow:0 0 0 4px var(--ember-soft)}
::placeholder{color:var(--muted);opacity:.75}
.rp{position:relative;overflow:hidden;isolation:isolate}
.rp>.rip{position:absolute;border-radius:50%;pointer-events:none;background:currentColor;opacity:.2;transform:scale(0);animation:ripple .55s var(--e) forwards;z-index:0}
.rp>*{position:relative;z-index:1}

/* segmented */
.seg{display:grid;grid-template-columns:repeat(auto-fit,minmax(62px,1fr));gap:7px}
.seg.n2{grid-template-columns:1fr 1fr}.seg.n3{grid-template-columns:repeat(3,1fr)}.seg.n4{grid-template-columns:repeat(4,1fr)}.seg.n5{grid-template-columns:repeat(5,1fr)}
.seg button{min-height:50px;padding:8px 4px;border:1.5px solid var(--line-2);border-radius:var(--r-xs);background:color-mix(in srgb,var(--panel-solid) 55%,transparent);color:var(--ink);font-weight:800;font-size:14px;cursor:pointer;line-height:1.2;transition:transform var(--d-s) var(--e),background var(--d-s),color var(--d-s),border-color var(--d-s),box-shadow var(--d)}
.seg button small{display:block;font-size:10px;font-weight:700;opacity:.65;margin-top:3px;letter-spacing:.01em}
.seg button:active{transform:scale(.93)}
.seg button[aria-pressed=true]{background:var(--ember);border-color:var(--ember);color:#fff;box-shadow:0 8px 20px var(--glow);animation:pop .3s var(--e-b)}
.seg button[aria-pressed=true] small{opacity:.92}
.seg button[aria-pressed=true][data-c="ok"]{background:var(--ok);border-color:var(--ok);box-shadow:0 8px 20px color-mix(in srgb,var(--ok) 35%,transparent)}
.seg button[aria-pressed=true][data-c="mid"]{background:var(--warn);border-color:var(--warn);box-shadow:0 8px 20px color-mix(in srgb,var(--warn) 35%,transparent)}
.seg button[aria-pressed=true][data-c="bad"],.seg button[aria-pressed=true][data-c="R"]{background:var(--red);border-color:var(--red);box-shadow:0 8px 20px color-mix(in srgb,var(--red) 35%,transparent)}
.seg button[aria-pressed=true][data-c="B"]{background:var(--blue);border-color:var(--blue);box-shadow:0 8px 20px color-mix(in srgb,var(--blue) 35%,transparent)}
.seg button[aria-pressed=true][data-c="gray"]{background:var(--gray);border-color:var(--gray);box-shadow:none}
.seg button[aria-pressed=true][data-c="z1"]{background:var(--z1);border-color:var(--z1);box-shadow:0 8px 20px color-mix(in srgb,var(--z1) 35%,transparent)}
.seg button[aria-pressed=true][data-c="z2"]{background:var(--z2);border-color:var(--z2);box-shadow:0 8px 20px color-mix(in srgb,var(--z2) 35%,transparent)}
.seg button[aria-pressed=true][data-c="z3"]{background:var(--z3);border-color:var(--z3);box-shadow:0 8px 20px color-mix(in srgb,var(--z3) 40%,transparent)}
.seg button[aria-pressed=true][data-c="W"]{background:#8b93a1;border-color:#8b93a1;box-shadow:none}
.seg button[aria-pressed=true][data-c="Y"]{background:#d9a406;border-color:#d9a406;color:#1a1400}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chips button{min-height:44px;padding:8px 15px;border:1.5px solid var(--line-2);border-radius:24px;background:color-mix(in srgb,var(--panel-solid) 55%,transparent);color:var(--ink);font-weight:700;font-size:14px;cursor:pointer;transition:transform var(--d-s) var(--e),background var(--d-s),color var(--d-s),border-color var(--d-s)}
.chips button:active{transform:scale(.93)}
.chips button[aria-pressed=true]{background:var(--ember-soft);border-color:var(--ember);color:var(--ember);animation:pop .3s var(--e-b)}
.chips.col{flex-direction:column;align-items:stretch}
.chips.col button{text-align:left;border-radius:var(--r-xs);padding:11px 14px 11px 42px;position:relative;font-weight:600;line-height:1.3}
.chips.col button .zh{display:block;font-size:11px;color:var(--muted);font-weight:500}
.chips.col button::before{content:"";position:absolute;left:12px;top:50%;width:20px;height:20px;margin-top:-10px;border:2px solid var(--line-2);border-radius:7px;transition:all var(--d)}
.chips.col button[aria-pressed=true]::before{background:var(--ember);border-color:var(--ember)}
.chips.col button::after{content:"";position:absolute;left:19px;top:50%;width:5px;height:10px;margin-top:-7px;border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg) scale(0);opacity:0}
.chips.col button[aria-pressed=true]::after{animation:chk .3s var(--e-b) forwards}

/* stepper */
.step{display:flex;align-items:stretch;border:1.5px solid var(--line-2);border-radius:var(--r-s);overflow:hidden;background:color-mix(in srgb,var(--panel-solid) 55%,transparent);transition:border-color var(--d-s),box-shadow var(--d-s)}
.step:focus-within{border-color:var(--ember);box-shadow:0 0 0 4px var(--ember-soft)}
.step button{flex:1;min-width:46px;min-height:56px;border:0;background:transparent;color:var(--ember);font-size:22px;font-weight:800;cursor:pointer;line-height:1;transition:transform var(--d-s) var(--e),background var(--d-s)}
.step button.big{font-size:14px;flex:.8;color:var(--muted)}
.step button:active{transform:scale(.8);background:var(--ember-soft)}
.step input{flex:1.4;border:0;border-left:1.5px solid var(--line);border-right:1.5px solid var(--line);border-radius:0;text-align:center;font-weight:900;font-size:26px;background:transparent;-moz-appearance:textfield;min-width:64px;padding:0;letter-spacing:-.02em}
.step input:focus{box-shadow:none}
.step input.bump{animation:pop .26s var(--e-b)}
.step input::-webkit-outer-spin-button,.step input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.tg{min-height:54px;width:100%;border:1.5px solid var(--line-2);border-radius:var(--r-xs);background:color-mix(in srgb,var(--panel-solid) 55%,transparent);color:var(--muted);font-weight:700;cursor:pointer;padding:10px 12px 10px 46px;text-align:left;position:relative;line-height:1.25;transition:transform var(--d-s) var(--e),background var(--d),color var(--d),border-color var(--d)}
.tg .zh{display:block;font-size:11px;font-weight:500;opacity:.8}
.tg:active{transform:scale(.975)}
.tg::before{content:"";position:absolute;left:13px;top:50%;width:22px;height:22px;margin-top:-11px;border:2px solid currentColor;border-radius:8px;opacity:.5;transition:opacity var(--d),background var(--d),border-color var(--d)}
.tg::after{content:"";position:absolute;left:20px;top:50%;width:6px;height:11px;margin-top:-8px;border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg) scale(0);opacity:0}
.tg[aria-pressed=true]{background:var(--ok-soft);border-color:var(--ok);color:var(--ok)}
.tg[aria-pressed=true]::before{opacity:1;background:var(--ok);border-color:var(--ok)}
.tg[aria-pressed=true]::after{animation:chk .3s var(--e-b) forwards}
.row{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.btn{min-height:52px;padding:13px 18px;border:1.5px solid var(--line-2);border-radius:var(--r-s);background:var(--panel);color:var(--ink);font-weight:800;cursor:pointer;letter-spacing:-.01em;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:transform var(--d-s) var(--e),box-shadow var(--d),background var(--d-s),border-color var(--d-s)}
.btn:active{transform:scale(.955)}
.btn.pri{background:linear-gradient(135deg,var(--ember),var(--ember-2));border-color:transparent;color:#fff;box-shadow:0 10px 26px var(--glow)}
.btn.dgr{color:var(--red);border-color:color-mix(in srgb,var(--red) 45%,var(--line-2))}
.bar{display:flex;gap:9px;flex-wrap:wrap;margin-top:13px}
.note{font-size:12.5px;color:var(--muted);line-height:1.6}
.warn{background:var(--warn-soft);border:1px solid color-mix(in srgb,var(--warn) 40%,transparent);border-left:4px solid var(--warn);border-radius:var(--r-s);padding:12px 14px;font-size:13px;line-height:1.6}
.pill{display:inline-flex;align-items:center;font-size:11px;font-weight:800;padding:3px 10px;border-radius:20px;background:var(--ember-soft);color:var(--ember);letter-spacing:.02em}
.pill.gray{background:var(--line);color:var(--muted)}
.list{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--panel);box-shadow:var(--sh-1);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.list .it{display:flex;align-items:center;gap:12px;padding:13px 14px;border-bottom:1px solid var(--line);cursor:pointer;animation:slideIn .3s var(--e) both;overflow:hidden;transition:background var(--d-s),transform var(--d-s)}
.list .it:nth-child(2){animation-delay:.04s}.list .it:nth-child(3){animation-delay:.07s}.list .it:nth-child(n+4){animation-delay:.1s}
.list .it:last-child{border-bottom:0}
.list .it:active{background:var(--ember-soft);transform:scale(.99)}
.list .it .n{font-weight:900;font-size:13px;min-width:40px;letter-spacing:-.01em;padding:4px 0;border-radius:8px;text-align:center;color:#fff;flex:none}
.list .it .n.R{background:var(--red)}.list .it .n.B{background:var(--blue)}
.list .it .fl{font-size:30px;line-height:1;min-width:36px;text-align:center;flex:none}
.list .it .d{flex:1;font-size:12.5px;color:var(--muted);line-height:1.5;min-width:0}
.list .it .d b{color:var(--ink);font-size:14px}
.list .it .x{color:var(--red);font-weight:800;padding:9px 11px;font-size:17px;border-radius:9px;transition:background var(--d-s),transform var(--d-s)}
.list .it .x:active{background:var(--red-soft);transform:scale(.85)}
.tag{display:inline-block;font-size:11px;font-weight:800;padding:2px 8px;border-radius:7px;margin:3px 4px 0 0;background:var(--line);color:var(--ink)}
.tag.z3{background:var(--z3);color:#fff}.tag.z2{background:var(--z2);color:#fff}.tag.z1{background:var(--z1);color:#fff}.tag.C{background:var(--warn);color:#fff}
.tag.ok{background:var(--ok-soft);color:var(--ok)}.tag.bad{background:var(--red-soft);color:var(--red)}
.meter{height:6px;border-radius:6px;background:var(--line);overflow:hidden;margin:6px 0 4px}
.meter i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--ember),var(--ember-2));transition:width .5s var(--e)}
.empty{padding:28px 14px;text-align:center;color:var(--muted);font-size:13.5px}
.stat{font-size:32px;font-weight:900;letter-spacing:-.03em;background:linear-gradient(135deg,var(--ember),var(--ember-2));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1}
#toast{position:fixed;left:50%;bottom:calc(var(--nav-h) + 16px + env(safe-area-inset-bottom));transform:translateX(-50%);z-index:100;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none;width:calc(100% - 32px);max-width:380px}
#toast div{background:var(--ink);color:var(--bg);padding:12px 20px;border-radius:26px;font-size:14px;font-weight:800;box-shadow:var(--sh-2);animation:toastIn .3s var(--e-b) both;max-width:100%;text-align:center}
#toast div.ok{background:var(--ok);color:#fff}#toast div.err{background:var(--red);color:#fff}
.shake{animation:shake .4s var(--e)}

/* country picker */
.cbtn{width:100%;min-height:66px;display:flex;align-items:center;gap:14px;padding:10px 14px;border:1.5px dashed var(--line-2);border-radius:var(--r-s);background:color-mix(in srgb,var(--panel-solid) 55%,transparent);color:var(--ink);font-weight:800;font-size:18px;cursor:pointer;text-align:left;transition:transform var(--d-s) var(--e),border-color var(--d-s),box-shadow var(--d),background var(--d)}
.cbtn:active{transform:scale(.98)}
.cbtn .fl{font-size:36px;line-height:1;width:44px;text-align:center;flex:none}
.cbtn .ph{color:var(--muted);font-weight:600;font-size:16px}
.cbtn .sub{display:block;font-size:12px;color:var(--muted);font-weight:600}
.cbtn.set{border-style:solid;border-color:var(--ember);background:var(--ember-soft)}
.cbtn .arr{margin-left:auto;color:var(--muted);font-size:20px}
#dim{position:fixed;inset:0;background:rgba(5,7,12,.5);z-index:60;animation:dim .2s both;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px)}
#sheet{position:fixed;left:0;right:0;bottom:0;z-index:61;background:var(--panel-solid);border-radius:24px 24px 0 0;max-height:88vh;display:flex;flex-direction:column;box-shadow:0 -10px 40px rgba(0,0,0,.3);animation:sheetIn .32s var(--e) both;padding-bottom:env(safe-area-inset-bottom)}
#sheet .hd{padding:18px 14px 10px;display:flex;gap:10px;align-items:center;position:relative}
#sheet .hd::before{content:"";position:absolute;top:7px;left:50%;width:40px;height:5px;margin-left:-20px;border-radius:5px;background:var(--line-2)}
#sheet input{flex:1;font-size:17px;border-radius:14px}
#sheet .grid{overflow-y:auto;padding:4px 12px 18px;display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px;-webkit-overflow-scrolling:touch}
#sheet .c{min-height:58px;display:flex;align-items:center;gap:10px;padding:8px 10px;border:1.5px solid var(--line);border-radius:13px;background:var(--bg);color:var(--ink);font-weight:700;font-size:14px;cursor:pointer;text-align:left;line-height:1.2;transition:transform var(--d-s) var(--e),background var(--d-s),border-color var(--d-s)}
#sheet .c:active{transform:scale(.95);background:var(--ember-soft);border-color:var(--ember)}
#sheet .c .fl{font-size:28px;line-height:1;flex:none}
#sheet .c .zh{display:block;font-size:11px;color:var(--muted);font-weight:500}
#sheet .c.rec{border-color:color-mix(in srgb,var(--ember) 45%,var(--line));background:var(--ember-soft)}
#sheet .lab{grid-column:1/-1;font-size:11px;font-weight:800;letter-spacing:.08em;color:var(--muted);text-transform:uppercase;padding:8px 2px 0}
.fab{position:fixed;left:12px;right:12px;bottom:calc(var(--nav-h) + 12px + env(safe-area-inset-bottom));z-index:39;display:flex;gap:9px;max-width:796px;margin:0 auto}
.fab .btn{flex:1;box-shadow:var(--sh-2)}
.fab .btn.pri{flex:1.4}
.fab[hidden]{display:none}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14px;align-items:baseline}
.kv b{color:var(--muted);font-weight:700;font-size:12.5px;letter-spacing:.02em}
.score{font-size:56px;font-weight:900;letter-spacing:-.05em;line-height:1;background:linear-gradient(135deg,var(--ember),var(--ember-2));-webkit-background-clip:text;background-clip:text;color:transparent;display:inline-block}
@media (prefers-reduced-motion:reduce){html:not(.fx-on) *,html:not(.fx-on) *::before,html:not(.fx-on) *::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}html:not(.fx-on) #bg i{animation:none!important}}
@media (min-width:700px){main{padding-left:20px;padding-right:20px}.card{padding:22px 20px}nav{max-width:560px;left:50%;right:auto;width:100%;transform:translateX(-50%);border-radius:22px 22px 0 0;border:1px solid var(--line);border-bottom:0}nav button{font-size:12px}}

/* ───────── Igniting Innovation theme extras ───────── */
#bg .sky{position:absolute;left:0;bottom:0;width:200%;height:min(38vh,340px);opacity:.95}
/* 每一層都是兩塊一模一樣的波形並排，往左推一整塊之後無縫接回原點 */
#bg .sky .w{transform-box:view-box;transform-origin:0 0;will-change:transform;
  animation:waveScroll var(--ws,30s) linear infinite}
#bg .sky .w2{animation-direction:reverse}            /* 中間那層反方向，做出視差 */
#bg .sky .w path{transform-box:view-box;transform-origin:0 0;
  animation:waveBob var(--wb,8s) ease-in-out infinite alternate}
@keyframes waveScroll{from{transform:translateX(0)}to{transform:translateX(-1440px)}}
@keyframes waveBob{from{transform:translateY(0)}to{transform:translateY(-16px)}}
.logo svg{width:22px;height:22px;fill:#fff;filter:drop-shadow(0 1px 2px rgba(0,0,0,.25))}
.logo svg .in{fill:#ffe08a;transform-origin:50% 100%;animation:flicker 1.6s ease-in-out infinite}
@keyframes flicker{0%,100%{transform:scaleY(1)}35%{transform:scaleY(.86) translateY(.5px)}70%{transform:scaleY(1.08)}}
.brand h1{background:linear-gradient(90deg,var(--ink) 0%,var(--ink) 55%,var(--ember) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
footer.made{text-align:center;font-size:12px;color:var(--muted);font-weight:700;letter-spacing:.04em;padding:22px 8px 4px;opacity:.85;animation:fadeUp .5s var(--e) .25s both}
footer.made .hb{color:var(--ember-2);display:inline-block;will-change:transform;
  text-shadow:0 0 8px color-mix(in srgb,var(--ember-2) 55%,transparent);
  animation:beat 1.6s cubic-bezier(.2,.6,.3,1) infinite}
footer.made .zh{font-weight:500;opacity:.8}
/* 真正的心跳是雙拍：碰-碰…休息 */
@keyframes beat{0%{transform:scale(1)}10%{transform:scale(1.38)}20%{transform:scale(1)}
  30%{transform:scale(1.24)}42%{transform:scale(1)}100%{transform:scale(1)}}

/* ───────── sign-in overlay ───────── */
#auth{position:fixed;inset:0;z-index:50;overflow-y:auto;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:calc(20px + env(safe-area-inset-top)) 16px calc(20px + env(safe-area-inset-bottom));-webkit-overflow-scrolling:touch}
#auth[hidden]{display:none}
.auth-card{width:100%;max-width:420px;background:var(--panel);border:1px solid var(--line);border-radius:26px;padding:26px 22px 20px;box-shadow:var(--sh-2);backdrop-filter:blur(20px) saturate(1.4);-webkit-backdrop-filter:blur(20px) saturate(1.4);text-align:center;animation:fadeUp .45s var(--e) both}
.auth-card h1{font-size:24px;margin:12px 0 2px;letter-spacing:-.03em;font-weight:900}
.auth-card .ev{font-size:11.5px;color:var(--muted);font-weight:700;letter-spacing:.08em;margin-bottom:22px}
.auth-card .f{text-align:left}
.auth-logo{width:68px;height:68px;margin:0 auto;border-radius:22px;background:linear-gradient(135deg,var(--ember),var(--ember-2));display:grid;place-items:center;box-shadow:0 14px 34px var(--glow);animation:flame 3s ease-in-out infinite}
.auth-logo svg{width:40px;height:40px;fill:#fff}
.auth-logo svg .in{fill:#ffe08a;transform-origin:50% 100%;animation:flicker 1.6s ease-in-out infinite}
.auth-view{animation:fadeUp .3s var(--e) both}
.auth-view .note{margin:12px 0 0;text-align:left}
.err{margin:10px 0 0;font-size:13px;font-weight:700;color:var(--red);background:var(--red-soft);border-radius:10px;padding:9px 12px;text-align:left}
.pw{position:relative}
.pw input{padding-right:52px}
.pw .eye{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:40px;height:40px;border:0;border-radius:10px;background:transparent;font-size:18px;cursor:pointer;opacity:.6}
.pw .eye:active{background:var(--ember-soft);opacity:1}
.btn.wide{width:100%}
.who{display:flex;align-items:center;justify-content:center;gap:10px;font-size:18px;margin-bottom:14px}
.who .fl{font-size:34px;line-height:1}
.who .zh{font-size:12px;color:var(--muted)}
#auth .made{margin-top:18px;padding:0}
.cbtn.sm{min-height:54px;font-size:15px;gap:10px;padding:8px 12px}
.cbtn.sm .fl{font-size:28px;width:34px}
.cbtn.sm .sub{display:none}

/* team badge in header */
.team{display:flex;align-items:center;gap:7px;padding:5px 11px 5px 7px;border:1px solid var(--line);border-radius:20px;background:var(--panel);color:var(--ink);font-weight:800;font-size:12.5px;cursor:pointer;max-width:42vw;transition:transform var(--d-s),border-color var(--d)}
.team:active{transform:scale(.94)}
.team .fl{font-size:20px;line-height:1}
.team .nm{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
header .sync{margin-left:0}
header{gap:8px}
.brand{min-width:0;flex:1}
.brand h1{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media (max-width:420px){.brand .ev{display:none}.brand h1{font-size:15px}}
#sheet .menu{padding:4px 16px 20px;overflow-y:auto}
#sheet .menu .f{text-align:left}
nav[hidden]{display:none}

/* field map (Pit · preferred position) */
.fmap{max-width:400px;margin:0 auto 12px}
.fmap svg{width:100%;height:auto;display:block;overflow:visible}
.fmap .fld{fill:color-mix(in srgb,var(--panel-solid) 55%,transparent);stroke:var(--line-2);stroke-width:3}
.fmap .su.r{fill:var(--red);opacity:.55}.fmap .su.b{fill:var(--blue);opacity:.55}.fmap .ex{fill:var(--gray);opacity:.5}
.fmap .fs.r{fill:var(--red);opacity:.5}.fmap .fs.b{fill:var(--blue);opacity:.5}
.fmap .br{stroke-width:7;stroke-linecap:round;opacity:.45}.fmap .br.r{stroke:var(--red)}.fmap .br.b{stroke:var(--blue)}
.fmap .rz{fill:none;stroke:var(--line-2);stroke-width:2;stroke-dasharray:8 6}
.fmap .lbl{fill:#fff;font-size:26px;font-weight:900;text-anchor:middle;pointer-events:none;letter-spacing:.05em}
.fmap .lbl.side{fill:var(--muted);font-size:18px;text-anchor:middle;letter-spacing:.06em}
.fmap .zone{cursor:pointer}
.fmap .zone rect,.fmap .zone circle,.fmap .zone polygon{fill:var(--ember);fill-opacity:.12;stroke:var(--ember);stroke-width:2.5;stroke-dasharray:6 5;transition:fill-opacity var(--d),stroke-dasharray var(--d)}
.fmap .zone text{fill:var(--ink);font-size:20px;font-weight:900;text-anchor:middle;pointer-events:none;letter-spacing:.04em;opacity:.8}
.fmap .zone:active rect,.fmap .zone:active circle,.fmap .zone:active polygon{fill-opacity:.35}
.fmap .zone.on rect,.fmap .zone.on circle,.fmap .zone.on polygon{fill-opacity:.55;stroke-dasharray:0;filter:drop-shadow(0 0 10px var(--glow))}
.fmap .zone.on text{fill:#fff;opacity:1}
.chips button small{display:block;font-size:10.5px;font-weight:600;opacity:.7;margin-top:1px}

/* official FGC 2026 logo as brand */
.logo{position:relative;overflow:hidden;background:#fff;animation:none}
.logo img{position:absolute;top:-4%;left:-35%;width:170%;height:170%;display:block}
.auth-logo{width:132px;height:132px;border-radius:30px;background:#fff;padding:6px;box-shadow:0 14px 34px var(--glow);animation:none}
.auth-logo img{width:100%;height:100%;display:block;border-radius:24px}
/* shared robot profile */
.card.self{border-color:color-mix(in srgb,var(--ember) 55%,transparent);box-shadow:var(--sh-1),0 0 0 3px var(--ember-soft)}
.desc{white-space:pre-wrap;font-size:14px;line-height:1.55;margin:10px 0 0;padding:12px 14px;border-radius:var(--r-xs);background:color-mix(in srgb,var(--panel-solid) 55%,transparent);border:1px solid var(--line)}
nav button{min-width:0;padding:0 2px}
@media (max-width:380px){nav button .zh{display:none}nav button{font-size:10px}}

/* ───────── animated logo ───────── */
@keyframes glowPulse{0%,100%{box-shadow:0 6px 18px var(--glow);transform:scale(1)}50%{box-shadow:0 8px 30px var(--glow),0 0 0 6px color-mix(in srgb,var(--ember) 18%,transparent);transform:scale(1.05)}}
.logo{animation:glowPulse 2.6s ease-in-out infinite}
.auth-logo{animation:glowPulse 3s ease-in-out infinite}

/* ───────── robot photos ───────── */
.photos{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px;margin-bottom:4px}
.photos .ph{position:relative;aspect-ratio:4/3;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:var(--line);animation:pop .3s var(--e-b)}
.photos .ph img{width:100%;height:100%;object-fit:cover;display:block}
.photos .ph .x{position:absolute;top:6px;right:6px;width:30px;height:30px;border:0;border-radius:50%;background:rgba(0,0,0,.55);color:#fff;font-weight:800;cursor:pointer}
.btn.dis{opacity:.45;pointer-events:none}
label.btn{display:inline-flex;align-items:center;justify-content:center}

/* ───────── nation page (lobby) ───────── */
#nation{position:fixed;inset:0;z-index:45;overflow-y:auto;-webkit-overflow-scrolling:touch;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(20px) saturate(1.4);-webkit-backdrop-filter:blur(20px) saturate(1.4);animation:dim .25s both}
#nation[hidden]{display:none}
body.lock{overflow:hidden}
.nwrap{max-width:720px;margin:0 auto;padding:calc(12px + env(safe-area-inset-top)) 14px calc(20px + env(safe-area-inset-bottom))}
.nwrap>*{animation:fadeUp .4s var(--e) both}
.nwrap>*:nth-child(2){animation-delay:.06s}.nwrap>*:nth-child(3){animation-delay:.12s}.nwrap>*:nth-child(4){animation-delay:.18s}.nwrap>*:nth-child(n+5){animation-delay:.24s}
.nhero{position:relative;text-align:center;padding:52px 16px 22px;margin-bottom:12px;border-radius:26px;background:linear-gradient(160deg,color-mix(in srgb,var(--ember) 22%,var(--panel-solid)),color-mix(in srgb,var(--ember-2) 18%,var(--panel-solid)) 60%,var(--panel-solid));border:1px solid var(--line);box-shadow:var(--sh-2);overflow:hidden}
.nhero::before{content:"";position:absolute;inset:-40% -20% auto;height:120%;background:radial-gradient(ellipse at 50% 0%,color-mix(in srgb,var(--ember) 35%,transparent),transparent 60%);pointer-events:none}
.nclose{position:absolute;left:12px;top:12px;min-height:40px;padding:8px 14px;font-size:14px}
.nflag{font-size:96px;line-height:1;filter:drop-shadow(0 12px 24px rgba(0,0,0,.35));animation:pop .6s var(--e-b) both}
.nname{font-size:30px;font-weight:900;letter-spacing:-.03em;margin-top:8px;line-height:1.1}
.nzh{font-size:13px;color:var(--muted);font-weight:600;margin-top:4px}
.npower{margin:18px auto 0;max-width:340px}
.npw{font-size:64px;font-weight:900;letter-spacing:-.05em;line-height:1;background:linear-gradient(135deg,var(--ember),var(--ember-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.npl{font-size:11.5px;letter-spacing:.14em;color:var(--muted);font-weight:800;margin-top:4px}
.npl b{color:var(--ink);letter-spacing:0;margin-left:6px}
.meter.big{height:10px;margin-top:10px}
.gallery{display:flex;gap:10px;overflow-x:auto;padding:2px 2px 10px;margin-bottom:6px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.gallery img{height:200px;max-width:88vw;border-radius:16px;object-fit:cover;flex:none;scroll-snap-align:start;border:1px solid var(--line);box-shadow:var(--sh-1)}
.radar{width:100%;max-width:360px;height:auto;display:block;margin:0 auto}
.radar .grid{fill:none;stroke:var(--line-2);stroke-width:1}
.radar .axis{stroke:var(--line-2);stroke-width:1}
.radar polygon.self{fill:var(--ember);fill-opacity:.28;stroke:var(--ember);stroke-width:2.5;stroke-linejoin:round}
.radar polygon.ours{fill:var(--blue);fill-opacity:.22;stroke:var(--blue);stroke-width:2.5;stroke-linejoin:round;stroke-dasharray:5 4}
.radar .dot.self{fill:var(--ember)}.radar .dot.ours{fill:var(--blue)}
.radar .lab{font-size:11px;font-weight:800;fill:var(--ink)}
.radar .lab.zh{font-size:9px;font-weight:600;fill:var(--muted)}
.legend{display:flex;gap:16px;justify-content:center;font-size:12px;font-weight:700;color:var(--muted);margin-top:6px}
.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.legend i.self{background:var(--ember)}.legend i.ours{background:var(--blue)}
.row.stats{grid-template-columns:repeat(auto-fit,minmax(96px,1fr))}
.row.stats .stat{font-size:26px}
header[hidden]{display:none}
.brand .ev{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* native controls follow the theme; kill the bright autofill background on password fields */
:root{color-scheme:light}
@media (prefers-color-scheme:dark){:root:not([data-t="light"]){color-scheme:dark}}
:root[data-t="dark"]{color-scheme:dark}
input:-webkit-autofill,input:-webkit-autofill:hover,input:-webkit-autofill:focus{-webkit-box-shadow:0 0 0 1000px var(--panel-solid) inset;-webkit-text-fill-color:var(--ink);caret-color:var(--ink);transition:background-color 9999s ease-out}
input[type=password]{background:var(--panel-solid)}
/* flag images (emoji flags don't render on Windows) */
img.flag{display:inline-block;width:1.25em;height:.95em;object-fit:cover;border-radius:3px;vertical-align:-.12em;box-shadow:0 0 0 1px rgba(0,0,0,.12)}
.fl img.flag{width:1.3em;height:1em}
.nflag img.flag{width:1.35em;height:1em;border-radius:12px;box-shadow:0 0 0 1px rgba(0,0,0,.18)}
.who img.flag{width:1.3em;height:1em}

/* ───────── language selector + RTL ───────── */
select.langsel{width:100%;padding:12px 14px;border:1.5px solid var(--line-2);border-radius:var(--r-s);background:color-mix(in srgb,var(--panel-solid) 55%,transparent);color:var(--ink);font-weight:700;font-size:15px;appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px,6px 6px;background-repeat:no-repeat;transition:border-color var(--d-s),box-shadow var(--d-s)}
select.langsel:focus{outline:0;border-color:var(--ember);box-shadow:0 0 0 4px var(--ember-soft)}
select.langsel.top{position:absolute;top:12px;right:12px;width:auto;max-width:160px;padding:8px 32px 8px 12px;font-size:12.5px;border-radius:20px}
.auth-card{position:relative}
[dir="rtl"] select.langsel.top{right:auto;left:12px}
[dir="rtl"] select.langsel{background-position:20px 50%,14px 50%;padding:12px 14px 12px 36px}
[dir="rtl"] .cbtn .arr{transform:scaleX(-1)}
[dir="rtl"] .tg{padding:10px 46px 10px 12px;text-align:right}
[dir="rtl"] .tg::before{left:auto;right:13px}[dir="rtl"] .tg::after{left:auto;right:20px}
[dir="rtl"] .chips.col button{padding:11px 42px 11px 14px;text-align:right}
[dir="rtl"] .chips.col button::before{left:auto;right:12px}[dir="rtl"] .chips.col button::after{left:auto;right:19px}
[dir="rtl"] .list .it .n{margin-left:0}
[dir="rtl"] .nclose{left:auto;right:12px}
[dir="rtl"] .sync{margin-left:0;margin-right:auto}

/* ───────── match: our team banner + partner slot cards ───────── */
.whoami{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:800}
.whoami .fl{font-size:30px;line-height:1}
.whoami .lb{display:block;font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--muted);text-transform:uppercase}
.card.slot{border-left:4px solid color-mix(in srgb,var(--ember) 60%,transparent)}
#slotB .card.slot{border-left-color:color-mix(in srgb,var(--ember-2) 60%,transparent)}
.card.slot h2 .ic{font-size:18px;font-weight:900}
.sbody{animation:fadeUp .3s var(--e) both}
.sbody[hidden]{display:none}
.lang{width:38px;height:34px;border:1px solid var(--line);border-radius:20px;background:var(--panel);color:var(--ink);font-size:17px;line-height:1;cursor:pointer;flex:none;transition:transform var(--d-s),border-color var(--d)}
.lang:active{transform:scale(.9)}
#sheet .langgrid{overflow-y:auto;padding:4px 12px 18px;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
#sheet .langgrid button{min-height:52px;border:1.5px solid var(--line);border-radius:13px;background:var(--bg);color:var(--ink);font-weight:700;font-size:15px;cursor:pointer;transition:transform var(--d-s),background var(--d-s),border-color var(--d-s)}
#sheet .langgrid button:active{transform:scale(.95)}
#sheet .langgrid button[aria-pressed=true]{background:var(--ember-soft);border-color:var(--ember);color:var(--ember)}
.warn.nudge{margin-top:12px;border-left-color:var(--ember);background:var(--ember-soft);border-color:color-mix(in srgb,var(--ember) 40%,transparent);animation:pop .35s var(--e-b)}
.warn.nudge .bar{margin-top:10px}

/* ═════════ 特效升級（Igniting Innovation）═════════ */

/* 1. 火星粒子：更亮、會閃爍、會左右飄 */
#bg .sp{position:absolute;bottom:-24px;border-radius:50%;
  background:radial-gradient(circle,#fff8e0 0%,var(--a4) 40%,var(--a1) 100%);
  box-shadow:0 0 8px 2px color-mix(in srgb,var(--a1) 80%,transparent),0 0 22px 7px color-mix(in srgb,var(--a1) 35%,transparent);
  opacity:0;will-change:transform,opacity;
  animation:rise var(--dur,15s) linear infinite, flick var(--fd,1.3s) ease-in-out infinite alternate}
@keyframes rise{
  0%{transform:translate3d(0,0,0) scale(.35);opacity:0}
  7%{opacity:var(--sp-op,.95)}
  35%{transform:translate3d(calc(var(--dx,20px) * .5),-38vh,0) scale(1)}
  65%{transform:translate3d(calc(var(--dx,20px) * -.3),-72vh,0) scale(.9)}
  88%{opacity:var(--sp-op,.95)}
  100%{transform:translate3d(var(--dx,20px),-115vh,0) scale(.55);opacity:0}}
@keyframes flick{from{filter:brightness(.7)}to{filter:brightness(1.45)}}

/* 2. 存檔時的火花爆發 */
.spark{position:fixed;width:7px;height:7px;border-radius:50%;pointer-events:none;z-index:120;
  background:radial-gradient(circle,#fff 0%,var(--a4) 45%,var(--ember) 100%);
  box-shadow:0 0 10px 3px var(--glow);
  animation:sparkGo var(--sd,760ms) cubic-bezier(.12,.7,.3,1) forwards}
@keyframes sparkGo{
  0%{transform:translate3d(0,0,0) scale(1.2);opacity:1}
  100%{transform:translate3d(var(--sx,0),var(--sy,0),0) scale(.15);opacity:0}}

/* 3. 主要按鈕的流光掃過 */
.btn.pri{position:relative;overflow:hidden}
.btn.pri::after{content:"";position:absolute;top:0;left:-60%;width:38%;height:100%;pointer-events:none;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.32),transparent);
  transform:skewX(-18deg);animation:sheen 4.2s ease-in-out infinite}
@keyframes sheen{0%,70%{left:-60%}100%{left:135%}}

/* 4. 國家頁 hero：緩慢旋轉的光芒 */
.nhero>*{position:relative;z-index:1}
.nhero::after{content:"";position:absolute;left:-20%;right:-20%;top:-60%;height:200%;pointer-events:none;z-index:0;opacity:.55;
  background:conic-gradient(from 0deg at 50% 30%,transparent 0deg,
    color-mix(in srgb,var(--ember) 26%,transparent) 10deg,transparent 22deg,transparent 40deg,
    color-mix(in srgb,var(--ember-2) 22%,transparent) 52deg,transparent 66deg,transparent 180deg,
    color-mix(in srgb,var(--a4) 20%,transparent) 200deg,transparent 215deg);
  animation:rays 26s linear infinite}
@keyframes rays{to{transform:rotate(360deg)}}

/* 5. 戰力分數的呼吸光暈 */
.npw{animation:pwGlow 2.8s ease-in-out infinite}
@keyframes pwGlow{0%,100%{filter:drop-shadow(0 0 10px color-mix(in srgb,var(--ember) 35%,transparent))}
  50%{filter:drop-shadow(0 0 26px color-mix(in srgb,var(--ember) 70%,transparent))}}

/* 6. 使用者把特效關掉時，一切靜止（取代原本純靠媒體查詢的作法） */
html.no-fx *,html.no-fx *::before,html.no-fx *::after{
  animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
html.no-fx #bg i,html.no-fx .sp{animation:none!important}
html.no-fx .sp{display:none}