:root{--bg:#1a1714;--bg-2:#221e1a;--bg-3:#2a251f;--ember:#d9662f;--ember-2:#e8804a;--flame:#c8442a;--ember-soft:#d9662f21;--flame-soft:#c8442a24;--paper:#efe9e0;--fog:#9c948a;--fog-dim:#6a635a;--hair:#efe9e01f;--hair-2:#efe9e038;--serif:"Noto Serif TC", "Songti TC", "Times New Roman", serif;--sans:"Noto Sans TC", system-ui, -apple-system, "Helvetica Neue", sans-serif;--font-disp:var(--serif);--font-body:var(--sans);--font-label:var(--sans);--r:4px;--maxw:1160px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{background:var(--bg);min-height:100dvh;color:var(--paper);font-family:var(--font-body);letter-spacing:.01em;-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;background-image:radial-gradient(90% 55% at 88% -6%,#d9662f12,#0000 60%),radial-gradient(80% 50% at 6% 106%,#d9662f0d,#0000 60%);background-attachment:fixed;font-weight:400;line-height:1.68;overflow-x:hidden}::selection{background:var(--ember);color:#17130f}.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 26px}.stage{flex-direction:column;min-height:100dvh;display:flex}.topbar{justify-content:space-between;align-items:center;padding:24px 0 8px;display:flex}.brand{font-family:var(--font-label);letter-spacing:.16em;text-transform:uppercase;color:var(--fog);align-items:center;gap:11px;font-size:12px;display:flex}.brand__mark{width:28px;height:28px;box-shadow:inset 0 0 0 1.5px var(--ember);color:var(--ember);font-family:var(--serif);background:0 0;border-radius:50%;place-items:center;font-size:15px;font-weight:700;line-height:1;display:grid}.brand b{color:var(--paper);font-weight:500}.topbar__tag{font-family:var(--font-label);letter-spacing:.14em;color:var(--fog-dim);text-transform:uppercase;font-size:11px}.eyebrow{font-family:var(--font-label);letter-spacing:.2em;text-transform:uppercase;color:var(--ember);flex-direction:column;gap:12px;font-size:13px;font-weight:500;display:flex}.eyebrow:before{content:"";background:var(--ember);width:46px;height:3px}.kicker{font-family:var(--font-body);color:var(--fog);letter-spacing:.02em;font-size:clamp(1rem,2.1vw,1.15rem)}.display{font-family:var(--font-disp);letter-spacing:.005em;color:var(--paper);font-size:clamp(2.2rem,6vw,3.9rem);font-weight:900;line-height:1.16}.display .volt{color:var(--ember)}.display .alarm{color:var(--flame)}.display .stroke{color:var(--fog-dim);white-space:nowrap;font-style:italic}.lede{color:var(--fog);max-width:44ch;font-size:clamp(1rem,2vw,1.16rem);line-height:1.85}.mono-note{font-family:var(--font-label);letter-spacing:.03em;color:var(--fog-dim);font-size:13px}.mono-note .hot{color:var(--ember)}.btn{--bg-btn:var(--ember);appearance:none;cursor:pointer;font-family:var(--font-body);letter-spacing:.04em;color:#17130f;background:var(--bg-btn);border:0;border-radius:999px;align-items:center;gap:12px;padding:15px 30px;font-size:1rem;font-weight:700;transition:transform .16s,background .16s,box-shadow .16s;display:inline-flex;box-shadow:0 12px 30px -16px #d9662fe6}.btn:hover{background:var(--ember-2);transform:translateY(-2px)}.btn:active{transform:translateY(0)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn .arw{transition:transform .16s}.btn:hover .arw{transform:translate(4px)}.btn--ghost{color:var(--ember);box-shadow:inset 0 0 0 1px var(--hair-2);background:0 0}.btn--ghost:hover{background:var(--ember-soft);box-shadow:inset 0 0 0 1px var(--ember)}.btn--lg{padding:17px 38px;font-size:1.06rem}.linkish{color:var(--fog);font-family:var(--font-label);letter-spacing:.05em;cursor:pointer;background:0 0;border:0;padding:6px 2px;font-size:13px}.linkish:hover{color:var(--ember)}.slidefoot{border-top:1px solid var(--hair);font-family:var(--font-label);letter-spacing:.12em;text-transform:uppercase;color:var(--fog-dim);justify-content:space-between;align-items:center;margin-top:40px;padding-top:18px;font-size:12px;display:flex}.slidefoot__page b{color:var(--paper);font-variant-numeric:tabular-nums}.slidefoot__page .cur{color:var(--ember)}.altimeter{width:100%;height:100%;min-height:420px;display:flex;position:relative}.alt-rail{border-left:1px solid var(--hair-2);flex:1;margin-left:56px;position:relative}.alt-rail:before{content:"";pointer-events:none;background:radial-gradient(60% 70% at 30% 20%,#d9662f24,#0000 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auto;align-items:center;gap:14px;display:grid}.lvdist__lv{font-family:var(--font-label);letter-spacing:.12em;color:#17130f;background:var(--ember);text-align:center;border-radius:999px;padding:4px 8px 3px;font-size:11px;font-weight:800}.lvdist__name{color:var(--paper);white-space:nowrap;text-overflow:ellipsis;font-size:14px;overflow:hidden}.lvdist__track{background:var(--bg-2);border-radius:999px;height:12px;overflow:hidden}.lvdist__fill{background:var(--ember);border-radius:999px;height:100%;display:block}.lvdist__n{font-family:var(--serif);color:var(--paper);white-space:nowrap;font-size:1.5rem;font-weight:800}.lvdist__n em{font-family:var(--font-label);color:var(--fog-dim);margin-left:6px;font-size:12px;font-style:normal}