:root{--ink:#1b1b1f;--mut:#6b6b76;--line:#e6e6ea;--acc:#f5511e;--bg:#fbfaf8;--ok:#127a3f;--sidebar-w:220px;--topbar-h:46px}*{box-sizing:border-box}body{color:var(--ink);background:var(--bg);margin:0;font:14px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace}a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}h1{margin:.2em 0;font-size:26px}h2{text-transform:uppercase;letter-spacing:.08em;color:var(--mut);border-bottom:1px solid var(--line);margin:30px 0 12px;padding-bottom:6px;font-size:13px}.lead{color:var(--mut);max-width:60ch;font-size:15px}.step{margin:24px 0 6px;font-weight:700}table{border-collapse:collapse;width:100%;margin:6px 0}th,td{text-align:left;border-bottom:1px solid var(--line);padding:6px 10px}th{color:var(--mut);font-weight:600}td.r,th.r{text-align:right}.btn{font:inherit;border:1px solid var(--ink);background:var(--ink);color:#fff;cursor:pointer;border-radius:6px;padding:7px 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i.m{background:#4b7bec}.spark{align-items:flex-end;gap:1px;min-width:120px;max-width:180px;height:22px;display:flex}.spark i{background:var(--ok);border-radius:1px;flex:1;min-height:2px}.spark i.y{background:#e0a63a}.spark i.r{background:#b3261e}.spark i.x{background:#e6e6ea;height:2px}.strike{color:var(--mut);font-size:12px;text-decoration:line-through}.now{color:var(--ok);font-weight:700}.badge{background:var(--acc);color:#fff;letter-spacing:.06em;vertical-align:middle;border-radius:4px;margin-left:10px;padding:2px 9px;font-size:11px;font-weight:700;display:inline-block}.progress{background:var(--line);border-radius:4px;height:8px;margin:10px 0 0;overflow:hidden}.progress i{background:var(--acc);height:100%;display:block}.wbar{background:var(--line);border-radius:3px;align-items:center;min-width:110px;height:18px;display:flex;position:relative;overflow:hidden}.wbar i{background:#fdd6c8;height:100%;position:absolute;top:0;left:0}.wbar span{color:var(--ink);padding:0 6px;font-size:11px;position:relative}button.linklike{font:inherit;color:var(--acc);cursor:pointer;background:0 0;border:0;margin-left:14px;padding:0}button.linklike:hover{text-decoration:underline}input[type=radio]{background:0 0;border:0;width:auto;padding:0}.btn:disabled{opacity:.4;cursor:not-allowed}.reqchart{max-width:1100px;margin:14px 0}.reqchart svg{border:1px solid var(--line);touch-action:pan-y;background:#fff;border-radius:8px;width:100%;height:auto;display:block}.reqchart .tick{fill:var(--mut);font:11px ui-monospace,SFMono-Regular,Menlo,monospace}.reqchart .legend{margin:0 0 8px}.reqchart .plot{position:relative}.charttip{z-index:1;pointer-events:none;border:1px solid var(--line);white-space:nowrap;background:#fff;border-radius:6px;padding:8px 10px;font-size:12px;position:absolute;top:12px;box-shadow:0 2px 8px #1b1b1f14}.charttip .t{color:var(--mut);margin-bottom:4px;font-size:11px}.charttip .row{align-items:center;gap:6px;display:flex}.charttip .row i{border-radius:2px;flex:none;width:9px;height:9px}.charttip .row .m{color:var(--ink)}.charttip .row .v{margin-left:auto;padding-left:14px;font-weight:600}.gtoggle{gap:8px;margin:12px 0;display:flex}.gtoggle a{border:1px solid var(--line);background:#fff;border-radius:6px;padding:4px 12px}.gtoggle a.active{border-color:var(--ink);background:var(--ink);color:#fff}.gtoggle a.active:hover{text-decoration:none}.hero{text-align:center;padding:48px 0 40px}.hero h1{margin:10px 0 6px;font-size:34px}.hero .lead{max-width:52ch;margin:0 auto}.energy-grid{grid-template-columns:repeat(8,1fr);gap:8px;max-width:360px;margin:0 auto 26px;display:grid}.energy-grid i{aspect-ratio:1;background:var(--acc);opacity:.22;border-radius:4px;animation:2.6s ease-in-out infinite pulse}.energy-grid i:nth-child(3n){background:#fdd6c8}.energy-grid i:nth-child(5n){background:#f87c56}@keyframes pulse{0%,to{opacity:.18;transform:scale(.9)}50%{opacity:1;transform:scale(1)}}@media 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a.sub.active{border-left-color:var(--acc);box-shadow:none}.side-auth{border-top:1px solid var(--line);flex-direction:column;align-items:flex-start;gap:6px;margin-top:auto;padding-top:14px;font-size:12px;display:flex}.side-auth .linklike{margin-left:0}.side-auth .btn{text-align:center;width:100%}.content{min-width:0;padding:24px 32px}.topbar,.backdrop{display:none}@media (max-width:820px){.shell{display:block}.topbar{z-index:10;height:var(--topbar-h);background:var(--bg);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:0 16px;display:flex;position:sticky;top:0}.menu-toggle{color:var(--ink);margin-left:0;font-size:20px}.sidebar{z-index:30;width:min(78vw,280px);height:auto;transition:transform .18s;position:fixed;top:0;bottom:0;left:0;transform:translate(-100%);box-shadow:2px 0 14px #1b1b1f1f}.sidebar.open{transform:none}.backdrop{z-index:20;background:#1b1b1f59;display:block;position:fixed;inset:0}.content{padding:16px}}@media 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