body.ses{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh}html[data-navpos=rail] body.ses{padding-left:0;padding-right:0}.ses-head{position:-webkit-sticky;position:sticky;top:0;z-index:30;background:rgba(255,255,255,.93);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.ses-head-in{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;grid-gap:24px;gap:24px;height:72px;max-width:1296px;margin:0 auto;padding:0 28px}.ses-left{display:flex;align-items:center;gap:14px;min-width:0}.ses-close{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;border:1.5px solid var(--line-2);color:var(--ink-2);background:var(--surface);flex:none;transition:background var(--t-fast),color var(--t-fast),border-color var(--t-fast)}.ses-close:hover{background:var(--panel);color:var(--ink);border-color:var(--ink-4)}.ses-title{position:relative;flex:1 1 auto;min-width:0}.ses-title b{font:600 16px/1.25 var(--f-sans);letter-spacing:-.003em}.ses-title b,.ses-title span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ses-title span{position:absolute;left:0;top:100%;max-width:100%;margin-top:1px;font-size:13px;line-height:1.3;color:var(--ink-dim)}.ses-mid{display:grid;justify-items:center;grid-gap:7px;gap:7px}.ses-count{font:600 13px/1 var(--f-sans);color:var(--ink-3);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;white-space:nowrap}.ses-prog{display:flex;gap:4px;width:min(300px,40vw);justify-content:center}.ses-prog i{flex:1 1;max-width:34px;min-width:6px;height:6px;border-radius:3px;background:var(--panel-2);transition:background .26s ease}.ses-prog i.is-right{background:var(--ok)}.ses-prog i.is-wrong{background:var(--bad)}.ses-prog i.is-now{background:var(--go)}.ses-right{display:flex;align-items:center;justify-content:flex-end;gap:10px;min-width:0}.ses-meter{display:inline-flex;align-items:center;margin-right:6px;border-radius:6px}.ses-meter[data-tip]{cursor:help;text-decoration:none}.ses-timer{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;background:transparent;color:var(--ink-dim);padding-inline:4px}.ses-saved{position:relative;display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 10px;border-radius:var(--r-pill);color:var(--ink-dim);font:500 13px/1 var(--f-sans)}.ses-saved .i{color:var(--ok)}.ses-saved:focus-visible,.ses-saved:hover,.ses-saved[aria-expanded=true]{background:var(--panel);color:var(--ink-2)}.ses-tip{position:absolute;top:calc(100% + 8px);right:0;z-index:40;width:264px;padding:12px 14px;border-radius:14px;background:var(--ink);color:#fff;font:400 13px/1.45 var(--f-sans);text-align:left;white-space:normal;box-shadow:var(--shadow-pop);opacity:0;transform:translateY(-4px);pointer-events:none;transition:opacity .16s ease,transform .2s var(--ease)}.ses-saved:focus-visible .ses-tip,.ses-saved:hover .ses-tip,.ses-saved[aria-expanded=true] .ses-tip{opacity:1;transform:none}.ses-phone{position:relative;display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;color:var(--ink-2);border:1.5px solid var(--line-2);background:var(--surface);flex:none;transition:background var(--t-fast),color var(--t-fast),border-color var(--t-fast)}.ses-phone:hover{background:var(--panel);color:var(--ink);border-color:var(--ink-4)}.ses-phone-dot{display:none;position:absolute;right:-2px;top:-2px;width:14px;height:14px;border-radius:50%;background:var(--ok);color:#fff;place-items:center;box-shadow:0 0 0 2px var(--surface)}.ses-phone-dot .i{width:9px;height:9px;stroke-width:3}.ses-main{flex:1 1 auto;padding:36px 28px 48px}.ses-stage{max-width:1180px;margin:0 auto}.ses-empty{max-width:520px;margin:12vh auto 0;text-align:center;display:grid;grid-gap:14px;gap:14px;justify-items:center}.ses-foot{position:-webkit-sticky;position:sticky;bottom:0;z-index:30;background:rgba(255,255,255,.95);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom,0)}.ses-foot-in{justify-content:space-between;gap:12px;max-width:1296px;margin:0 auto;padding:12px 28px 14px}.ses-foot-in,.ses-tools{display:flex;align-items:center}.ses-tools{gap:2px;min-width:0}.ses-tools .btn-quiet{padding-inline:12px;font-size:15px;color:var(--ink-3)}.ses-foot .btn-primary{min-width:184px}.ses-foot-note{font-size:13px;color:var(--ink-dim);margin-right:8px}.q{display:grid;grid-gap:28px 44px;gap:28px 44px;align-items:start}.q-split{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.q-math:not(.q-compact),.q-rw:not(.q-split):not(.q-compact){max-width:700px;margin-inline:auto}.q-split>.q-read{position:-webkit-sticky;position:sticky;top:104px}.q-ask,.q-read{min-width:0}.q-passage{background:var(--panel);border-radius:var(--r-card);padding:28px 30px;font:400 17px/1.64 var(--f-serif);color:var(--ink)}.q-passage p+p,.q-passage p+table,.q-passage p+ul,.q-passage table+p,.q-passage ul+p{margin-top:14px}.q-passage u{text-decoration-thickness:1.5px;text-underline-offset:3px}.q-figure .qtable,.q-passage .qtable{font-family:var(--f-sans);width:100%;margin:0;background:var(--surface)}.q-figure .qtable th,.q-passage .qtable th{background:var(--surface);border-bottom-color:var(--ink-4)}.qtable caption{caption-side:top;padding-bottom:10px;font:600 15px/1.3 var(--f-sans);text-align:left;color:var(--ink)}.q-figure{display:grid;place-items:center;margin:0 0 18px;padding:16px 20px;border-radius:var(--r-lg);background:var(--panel);color:var(--ink);overflow-x:auto}.q-figure svg{display:block;width:auto;max-width:100%;height:auto;max-height:232px;font-family:var(--f-sans)}.q-read .q-figure{margin:16px 0 0}.blank{display:inline-block;width:4.4em;height:1em;margin:0 .12em;border-bottom:1.5px solid;vertical-align:baseline}ul.notes{list-style:disc;display:grid;grid-gap:7px;gap:7px;margin:12px 0 2px;padding:0 0 0 22px;font:400 16px/1.5 var(--f-sans)}.q-meta{display:flex;align-items:center;gap:8px 12px;flex-wrap:wrap;margin-bottom:14px;font-size:14px;line-height:1.3;color:var(--ink-dim)}.q-meta .diff{font-weight:500}.q-num{display:inline-grid;place-items:center;min-width:30px;height:30px;padding:0 8px;border-radius:9px;background:var(--ink);color:#fff;font:600 15px/1 var(--f-sans);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.q-skill{font-weight:600;color:var(--ink-2)}.q-stem{margin-bottom:18px;font:500 17px/1.5 var(--f-sans);letter-spacing:-.003em;color:var(--ink)}.q-choice i,.q-stem i,.qx i{font-family:var(--f-serif);font-size:1.06em}.q-choices{display:grid;grid-gap:10px;gap:10px}.q-choice{display:flex;align-items:center;gap:14px;width:100%;min-height:58px;padding:12px 16px;border-radius:16px;border:1.5px solid var(--line-2);background:var(--surface);color:var(--ink);text-align:left;font:400 17px/1.42 var(--f-sans);box-shadow:0 var(--lip) 0 var(--line);cursor:pointer;-webkit-tap-highlight-color:transparent;transition:border-color var(--t-fast),background var(--t-fast),box-shadow var(--t-fast),transform 90ms ease}.q-choice:hover{border-color:var(--ink-4)}.q-choice:active{transform:translateY(1px);box-shadow:0 1px 0 var(--line)}.q-letter{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;border:1.5px solid var(--ink-4);background:var(--surface);color:var(--ink-2);font:600 14px/1 var(--f-sans);flex:none;transition:background var(--t-fast),border-color var(--t-fast),color var(--t-fast)}.q-choice-text{min-width:0;flex:1 1 auto}.q-choice[aria-checked=true]{border-color:var(--go);background:var(--go-tint);box-shadow:0 0 0 1px var(--go),0 var(--lip) 0 var(--go)}.q-choice[aria-checked=true] .q-letter{background:var(--go);border-color:var(--go);color:#fff}.q-flag{display:none;align-items:center;gap:6px;margin-left:auto;padding-left:8px;font:600 13px/1 var(--f-sans);white-space:nowrap;flex:none}.q-flag .i{width:16px;height:16px;stroke-width:2.4}.q.is-locked .q-choice{cursor:default;box-shadow:none;transform:none}.q.is-locked .q-choice:not(.is-key):not(.is-wrong){color:var(--ink-2);border-color:var(--line)}.q.is-locked .q-choice:not(.is-key):not(.is-wrong) .q-letter{border-color:var(--line-2);color:var(--ink-3)}.q-choice.is-key{border-color:var(--ok);background:var(--ok-tint);box-shadow:0 0 0 1px var(--ok)}.q-choice.is-key .q-letter{background:var(--ok);border-color:var(--ok);color:#fff}.q-choice.is-wrong{border-color:var(--bad);background:var(--bad-tint);box-shadow:0 0 0 1px var(--bad)}.q-choice.is-wrong .q-letter{background:var(--bad);border-color:var(--bad);color:#fff}.q-choice.is-key .q-flag,.q-choice.is-wrong .q-flag{display:inline-flex}.q-choice.is-key .q-flag{color:var(--ok)}.q-choice.is-wrong .q-flag{color:var(--bad)}.q-choice.is-just .q-flag .i{animation:s-pop .42s var(--ease) both}.q-typed{display:grid;grid-gap:10px;gap:10px;justify-items:start}.q-typed label{font:600 14px/1.2 var(--f-sans);color:var(--ink-2)}.q-input{width:200px;height:58px;padding:0 18px;border-radius:16px;border:1.5px solid var(--line-2);background:var(--surface);color:var(--ink);font:500 20px/1 var(--f-sans);font-feature-settings:tabular-nums lining-nums;font-variant-numeric:tabular-nums lining-nums;box-shadow:0 var(--lip) 0 var(--line)}.q-input:focus{outline:none;border-color:var(--go);box-shadow:0 0 0 1px var(--go),0 var(--lip) 0 var(--go)}.q-typed-hint{max-width:44ch;font-size:13px;line-height:1.45;color:var(--ink-dim)}.q-typed.is-right .q-input{border-color:var(--ok);background:var(--ok-tint);box-shadow:0 0 0 1px var(--ok)}.q-typed.is-wrong .q-input{border-color:var(--bad);background:var(--bad-tint);box-shadow:0 0 0 1px var(--bad)}.q-typed-key{display:inline-flex;align-items:center;gap:8px;font:600 15px/1.3 var(--f-sans);color:var(--ok)}.q-hint{display:flex;gap:12px;align-items:flex-start;margin-top:16px;padding:14px 16px;border-radius:16px;background:var(--lilac);font-size:15px;line-height:1.5}.q-hint .i{color:var(--lilac-ink);margin-top:2px}.q-hint small{display:block;margin-top:6px;font-size:13px;color:var(--ink-2)}.q-pre{margin-top:18px}.q-after{display:grid;grid-gap:16px;gap:16px;margin-top:22px}.q-after:empty{display:none}.q-compact{gap:20px}.q-compact .q-passage{padding:20px 22px;font-size:17px}.q-compact .q-stem{font-size:17px}.ses-result{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:16px;font-size:16px;line-height:1.45;scroll-margin-top:96px}.ses-result.is-right{background:var(--ok-tint)}.ses-result.is-wrong{background:var(--bad-tint)}.ses-result .checkmark{width:24px;height:24px;background:var(--ok)}.ses-result .ses-x{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--bad);color:#fff;flex:none}.ses-result .ses-x .i{width:14px;height:14px;stroke-width:2.6}.ses-result b{font-weight:600}.ses-result .pips{margin-left:4px}.ses-was{display:grid;grid-gap:6px;padding:14px 16px;border-radius:16px;background:var(--peach);font-size:15px;line-height:1.5}.ses-was .label{color:var(--peach-ink)}.ses-was b{font-weight:600}.qx{display:grid;grid-gap:16px;gap:16px}.qx-short{font-size:16px;line-height:1.56;color:var(--ink);max-width:64ch}.qx-more>summary{list-style:none;display:inline-flex;align-items:center;gap:6px;padding:6px 0;border-radius:6px;color:var(--go-ink);font:600 15px/1 var(--f-sans);cursor:pointer}.qx-more>summary::-webkit-details-marker{display:none}.qx-more>summary .i{transition:transform .2s var(--ease)}.qx-more[open]>summary .i{transform:rotate(180deg)}.qx-more:not([open])>summary .qx-more-open,.qx-more[open]>summary .qx-more-closed{display:none}.qx-more-body{display:grid;grid-gap:16px;gap:16px;margin-top:10px}.qx-h{margin-bottom:8px}.qx-steps{display:grid;grid-gap:12px;gap:12px}.qx-step{display:flex;gap:12px;align-items:flex-start;font-size:16px;line-height:1.52}.qx-n{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:8px;background:var(--sky);color:var(--sky-ink);font:600 14px/1 var(--f-sans);flex:none;margin-top:1px}.qx-step b{font-weight:600}.qx-wrongs{display:grid;grid-gap:0;gap:0}.qx-w{display:flex;gap:12px;align-items:flex-start;padding:10px 0;font-size:15px;line-height:1.5;color:var(--ink-2)}.qx-w+.qx-w{border-top:1px solid var(--line)}.qx-w .q-letter{width:26px;height:26px;font-size:13px;margin-top:1px}.qx-w.is-picked{color:var(--ink)}.qx-w.is-picked .q-letter{background:var(--bad);border-color:var(--bad);color:#fff}.qx-w .chip{margin:0 6px 2px 0;vertical-align:1px}.qx-slip{min-width:26px;height:26px;padding:0 7px;border-radius:8px;display:inline-grid;place-items:center;background:var(--panel);color:var(--ink-2);font:600 13px/1 var(--f-sans);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;flex:none;margin-top:1px}.qx-w.is-picked .qx-slip{background:var(--bad);color:#fff}.qx-trap{display:flex;gap:10px;align-items:center;padding:12px 14px;border-radius:14px;background:var(--panel);font-size:15px;line-height:1.4;color:var(--ink-2)}.qx-trap .i{color:var(--ink-3)}.qx-trap b{color:var(--ink);font-weight:600}.qx-video-row{display:flex;align-items:center;gap:14px;width:100%;padding:12px 14px;border-radius:16px;border:1.5px solid var(--line-2);background:var(--surface);text-align:left;box-shadow:0 var(--lip) 0 var(--line);cursor:pointer;transition:border-color var(--t-fast),background var(--t-fast)}.qx-video-row:hover{border-color:var(--ink-4)}.qx-video-row .tile{background:var(--ink);color:#fff;border-radius:50%}.qx-video-row b{display:block;font:600 16px/1.3 var(--f-sans)}.qx-video-row small{display:block;margin-top:2px;font-size:13px;color:var(--ink-dim)}.qx-video-row .qx-video-caret{margin-left:auto;color:var(--ink-3);transition:transform .2s var(--ease)}.qx-video-row[aria-expanded=true]{border-color:var(--line-2);box-shadow:none;background:var(--panel);border-radius:16px 16px 0 0}.qx-video-row[aria-expanded=true] .qx-video-caret{transform:rotate(180deg)}.qx-video-body{padding:14px;border:1.5px solid var(--line-2);border-top:0;border-radius:0 0 16px 16px}.qx-video{scroll-margin:88px 0 96px}.ses-similar{justify-self:start}.sp{display:grid;grid-gap:12px;gap:12px}.sp-frame{border-radius:14px;overflow:hidden;outline-offset:3px}.sp-frame,.sp-stage{background:var(--ink)}.sp-stage{position:relative;aspect-ratio:16/9}.sp-stage video{display:block;width:100%;height:100%;object-fit:contain;background:#fff}.sp-big{position:absolute;inset:0;display:grid;place-items:center;background:color-mix(in srgb,var(--ink) 10%,transparent);transition:background var(--t-state)}.sp-big:hover{background:color-mix(in srgb,var(--ink) 18%,transparent)}.sp-big-disc{display:grid;place-items:center;width:72px;height:72px;border-radius:50%;background:var(--surface);color:var(--ink);box-shadow:0 3px 0 rgba(0,0,0,.2),0 10px 30px rgba(0,0,0,.2);transition:transform var(--t-fast)}.sp-big:hover .sp-big-disc{transform:scale(1.05)}.sp-big-disc svg{width:28px;height:28px;margin-left:3px;fill:currentColor;stroke:none}.sp-big-label{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);padding:7px 12px;border-radius:var(--r-pill);background:color-mix(in srgb,var(--ink) 86%,transparent);color:#fff;font:600 13px/1 var(--f-sans);white-space:nowrap}.sp.is-started .sp-big{display:none}.sp-error{position:absolute;inset:auto 12px 12px 12px;border-radius:10px;background:color-mix(in srgb,var(--ink) 90%,transparent);font-size:14px}.sp-bar,.sp-error{padding:10px 12px;color:#fff}.sp-bar{background:var(--ink)}.sp-scrub{position:relative;height:18px;display:flex;align-items:center;cursor:pointer;touch-action:none;border-radius:6px}.sp-track{display:flex;gap:3px;width:100%;height:5px}.sp-seg{position:relative;flex:1 1;height:100%;border-radius:3px;background:rgba(255,255,255,.24);overflow:hidden}.sp-seg-fill{inset:0 auto 0 0;width:0;border-radius:3px}.sp-knob,.sp-seg-fill{position:absolute;background:#fff}.sp-knob{left:0;width:13px;height:13px;margin:-6.5px 0 0 -6.5px;box-shadow:0 1px 4px rgba(0,0,0,.4)}.sp-knob,.sp-mark{top:50%;border-radius:50%;pointer-events:none}.sp-mark{position:absolute;width:9px;height:9px;margin:-4.5px 0 0 -4.5px;background:var(--gold);box-shadow:0 0 0 2px var(--ink)}.sp-row{display:flex;align-items:center;gap:8px;margin-top:6px}.sp-btn{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;color:#fff;flex:none}.sp-btn:hover{background:rgba(255,255,255,.14)}.sp-btn svg{width:20px;height:20px}.sp-btn .sp-fill{fill:currentColor;stroke:none}.sp-time{font:500 13px/1 var(--f-sans);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:rgba(255,255,255,.86);white-space:nowrap}.sp-chapname{min-width:0;flex:1 1 auto;font:500 13px/1.2 var(--f-sans);color:rgba(255,255,255,.7);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sp-speed{display:inline-flex;gap:2px;padding:3px;background:rgba(255,255,255,.12);flex:none}.sp-speed,.sp-speed button{border-radius:var(--r-pill)}.sp-speed button{min-width:40px;height:28px;padding:0 8px;color:rgba(255,255,255,.8);font:600 13px/1 var(--f-sans);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.sp-speed button:hover{color:#fff}.sp-speed button[aria-pressed=true]{background:#fff;color:var(--ink)}.sp-under{display:grid;grid-gap:10px;gap:10px}.sp-chapters{display:flex;flex-wrap:wrap;gap:8px}.sp-chap{display:inline-flex;align-items:center;gap:8px;min-height:36px;padding:0 12px 0 6px;border-radius:var(--r-pill);border:1.5px solid var(--line-2);background:var(--surface);color:var(--ink-2);font:600 14px/1 var(--f-sans);transition:border-color var(--t-fast),background var(--t-fast),color var(--t-fast)}.sp-chap:hover{border-color:var(--ink-4);color:var(--ink)}.sp-chap-n{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--panel);color:var(--ink-2);font:600 13px/1 var(--f-sans)}.sp-chap-t{color:var(--ink-dim);font-weight:500;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.sp-chap.is-now{border-color:var(--go);color:var(--go-ink)}.sp-chap.is-now .sp-chap-n{background:var(--go);color:#fff}.sp-chap-mistake{padding-left:12px;border-color:transparent;background:var(--peach);color:var(--peach-ink)}.sp-chap-mistake:hover{border-color:var(--peach-2);color:var(--peach-ink);background:var(--peach-2)}.sp-chap-mistake .sp-chap-t{color:var(--peach-ink)}.sp-read>summary{list-style:none;display:inline-flex;align-items:center;gap:8px;padding:6px 0;color:var(--ink-2);font:600 14px/1 var(--f-sans);cursor:pointer;border-radius:6px}.sp-read>summary::-webkit-details-marker{display:none}.sp-read>summary:hover{color:var(--ink)}.sp-read ol{display:grid;grid-gap:2px;gap:2px;margin-top:6px}.sp-read li button{display:flex;gap:12px;width:100%;padding:8px 10px;border-radius:10px;text-align:left;font-size:15px;line-height:1.45;color:var(--ink-2)}.sp-read li button:hover{background:var(--panel);color:var(--ink)}.sp-read li button.is-now{background:var(--sky);color:var(--ink)}.sp-line-t{flex:none;width:34px;color:var(--ink-dim);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-size:13px;padding-top:1px}.done{--done-gap:22px;display:grid;grid-template-columns:minmax(0,1fr);grid-gap:var(--done-gap);gap:var(--done-gap);padding-top:8px}.done-hero{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding:8px 0 0}.done-who{flex:none;margin-left:0;gap:10px}.done-who .band-say{max-width:272px;margin-bottom:-6px;background:var(--panel);box-shadow:none;font-size:15px}.done-who .band-pico{width:96px;height:96px;margin:0 4px calc(-1 * (var(--done-gap) + var(--done-head) + 7px)) 0}html[data-chars=off] .done-who .band-say{margin-bottom:0}.done-hero-text{min-width:0}.done-kicker{display:flex;align-items:center;flex-wrap:wrap;gap:0 6px}.done-hero h1{margin-top:10px;max-width:18ch}.done-hero .lede{margin-top:10px;max-width:52ch;font-size:16px;color:var(--ink-3)}.done-meter{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:18px}.done-meter .pip.is-new{animation:s-pop .52s var(--ease) both}.done-meta{gap:6px;margin-top:12px;font-size:14px;color:var(--ink-dim);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.done-meta,.done-sec-head{display:flex;align-items:center}.done-sec-head{gap:4px;height:22px;margin-bottom:8px}.done-strip{grid-template-columns:repeat(auto-fit,minmax(84px,1fr))}.done-q,.done-strip{display:grid;grid-gap:8px;gap:8px}.done-q{justify-items:start;padding:10px 12px;border-radius:14px;border:1px solid var(--line);background:var(--surface);text-align:left;transition:border-color var(--t-fast),background var(--t-fast)}.done-q:hover{border-color:var(--ink-4);background:var(--panel)}.done-q-top{display:flex;align-items:center;justify-content:space-between;width:100%;font:600 15px/1 var(--f-sans)}.done-q .checkmark{width:20px;height:20px;background:var(--ok)}.done-q .checkmark .i{width:12px;height:12px}.done-q .ses-x{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--bad);color:#fff}.done-q .ses-x .i{width:11px;height:11px;stroke-width:2.8}.done-q small{gap:7px;font-size:13px;line-height:1;color:var(--ink-dim);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;white-space:nowrap}.done-q small,.done-reward{display:flex;align-items:center}.done-reward{gap:14px 24px;flex-wrap:wrap;padding:14px 20px}.done-reward-pts{font:var(--num-weight) 24px/1 var(--f-num);font-feature-settings:lining-nums tabular-nums;font-variant-numeric:lining-nums tabular-nums;white-space:nowrap}.done-reward-pts small{font:600 14px/1 var(--f-sans);color:var(--butter-ink);margin-left:4px}.done-reward-level{flex:1 1 220px;min-width:0;font-size:14px;color:var(--ink-2)}.done-reward-level .dim{color:var(--butter-ink)}.done-reward-level .bar{margin-top:8px;background:var(--butter-2)}.done-reward-badge{display:flex;align-items:center;gap:12px;font-size:14px;line-height:1.35;color:var(--butter-ink)}.done-reward-badge b{display:block;color:var(--ink);font-weight:600}.done-next{display:flex;align-items:center;justify-content:space-between;gap:16px 24px;flex-wrap:wrap;padding:20px 24px}.done-next-text{min-width:0;flex:1 1 280px}.done-next-text h2{margin-top:6px}.done-next-text p{display:flex;align-items:center;gap:4px;margin-top:3px;color:var(--ink-dim);font-size:14px}.done-next-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.done-list{display:grid;grid-template-columns:minmax(0,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.done-row{display:flex;align-items:center;gap:8px 20px;min-height:54px;padding:10px 0}.done-row+.done-row{border-top:1px solid var(--line)}.done-row-main{flex:1 1;min-width:0;display:flex;align-items:baseline;gap:12px}.done-row-main b{flex:none;font-weight:600;line-height:1.3}.done-row-main span{min-width:0;font-size:14px;color:var(--ink-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.done-row-pips{display:flex;align-items:center;gap:10px;color:var(--ink-4);flex:none}.done-row-when{flex:0 0 168px;font-size:14px;color:var(--ink-dim);text-align:right;white-space:nowrap}.done-row-when b{font-weight:600}.done-row-when .mastered-mark{vertical-align:-4px;margin-right:6px;background:var(--lv3)}@media (max-width:980px){.q-split{grid-template-columns:minmax(0,1fr)}.q-split>.q-read{position:static}.q-math,.q-rw{max-width:700px;margin-inline:auto}.ses-timer{display:none}}@media (max-width:760px){.ses-head-in{grid-template-columns:auto minmax(0,1fr) auto;gap:12px;height:60px;padding:0 14px}.ses-title{display:none}.ses-mid{justify-items:stretch;gap:6px}.ses-count{text-align:left}.ses-prog{width:100%;justify-content:flex-start}.ses-prog i{max-width:none}.ses-meter{margin-right:0}.ses-meter .pips-label,.ses-saved{display:none}.ses-phone-dot{display:grid}.ses-main{padding:20px 16px 28px}.q{gap:20px}.q-passage{padding:20px;line-height:1.6;border-radius:18px}.q-passage,.q-stem{font-size:17px}.q-choice{min-height:56px;padding:11px 14px;gap:12px}.q-choice.is-key,.q-choice.is-wrong{flex-wrap:wrap}.q-choice.is-key .q-flag,.q-choice.is-wrong .q-flag{margin-left:42px;padding-left:0;flex-grow:0;flex-shrink:0;flex-basis:calc(100% - 42px)}.q-figure{padding:14px}.q-input{width:100%;max-width:240px}.ses-foot-in{padding:10px 14px 12px;gap:8px}.ses-foot .btn-primary{min-width:0;flex:1 1 auto}.ses-tools .btn-quiet{padding-inline:10px;min-height:46px}.ses-foot-note,.ses-tools .btn-quiet span{display:none}.ses-result{scroll-margin-top:76px}.sp-chapname{display:none}.sp-row{gap:4px}.sp-speed button{min-width:34px;padding:0 6px}.sp-bar{padding:8px}.qx-video-body{padding:10px}.qx-video{scroll-margin:72px 0 84px}.ses-close,.ses-phone{width:44px;height:44px}.ses-tools .btn-quiet{min-width:44px}.qx-more>summary,.sp-read>summary{min-height:44px}.sp-read li button{min-height:44px;padding-block:11px}.sp-chap{min-height:44px}.sp-btn,.sp-speed button{position:relative}.sp-btn:before{content:"";position:absolute;inset:-4px}.sp-speed button:before{content:"";position:absolute;inset:-8px -3px}.sp-scrub:before{content:"";position:absolute;inset:-13px 0}.done-hero{flex-direction:column;align-items:stretch;gap:14px}.done-who{flex:none;flex-direction:row-reverse;justify-content:flex-end;align-items:center}.done-who .band-say{flex:0 1 auto;max-width:none;margin:0;border-radius:5px 16px 16px 16px}.done-who .band-pico{width:60px;height:60px;margin:0}.done-row{flex-wrap:wrap}.done-row-main{flex:1 1 100%;display:block}.done-row-main b,.done-row-main span{display:block}.done-row-main span{margin-top:2px;white-space:normal;opacity:1}.done-row-when{flex:1 1 auto}.done-next{padding:18px}.done-next-actions,.done-next-actions .btn{width:100%}}@media (min-width:761px) and (max-width:900px){.done-who .band-say{max-width:208px}.done-who .band-pico{width:84px;height:84px;margin-bottom:calc(-1 * (var(--done-gap) + var(--done-head) + 6px))}}@media (max-width:420px){.sp-row{flex-wrap:wrap;row-gap:8px}.sp-btn{width:32px;height:32px}.sp-btn:before{inset:-6px}.sp-time{font-size:13px}.sp-speed{order:9;flex:1 0 auto}.sp-speed button{flex:1 0 auto;min-width:0;padding:0 3px}}@media (prefers-reduced-motion:reduce){.done-meter .pip.is-new,.q-choice.is-just .q-flag .i{animation:none}}.ses-foot,.ses-head{background:color-mix(in srgb,var(--surface) 94%,transparent)}.ses-stage{max-width:1240px}.ses-tools{margin-left:-12px}.ses-right{gap:12px}.ses-meter{margin-right:0}.ses-saved,.ses-timer{font:500 13px/1 var(--f-sans);color:var(--ink-dim)}.ses-timer{min-height:36px;gap:6px}.ses-saved .i{color:currentColor}.ses-phone-dot{background:var(--ink-2)}.q{--q-in:16px;--q-mark:30px;--q-gap:14px;--q-text:calc(var(--q-in) + var(--q-mark) + var(--q-gap))}.q-meta{gap:8px var(--q-gap);margin-bottom:16px;padding-inline:var(--q-in);line-height:1}.q-num{min-width:var(--q-mark);height:var(--q-mark)}.q-skill{font:600 14px/1 var(--f-sans)}.q-meta .diff{font:500 14px/1 var(--f-sans);color:var(--ink-3)}.q-stem{margin-bottom:20px;padding-inline:var(--q-in)}.q-choice i,.q-hint i,.q-stem i,.qx i,.ses-result i,.ses-was i{font-family:var(--f-serif);font-size:1em;line-height:1}.q-choice{padding:12px var(--q-in);gap:var(--q-gap)}.q-letter{width:var(--q-mark);height:var(--q-mark)}.q-typed label,.q-typed-hint,.q-typed-key{padding-left:var(--q-in)}.q-input{padding:0 var(--q-in)}.q-hint,.qx-trap,.ses-result{align-items:flex-start;gap:var(--q-gap);padding:14px var(--q-in)}.q-hint{background:var(--panel)}.q-hint>.i,.qx-trap>.i{flex:none;margin:2px 6px 0;color:var(--ink-3)}.ses-result .checkmark,.ses-result .ses-x{margin:0 3px}.ses-was{gap:6px;padding:0 var(--q-in);border-radius:0;background:none;color:var(--ink-2)}.ses-was .label{color:var(--ink-3)}.ses-was b{color:var(--ink)}.qx-h,.qx-short,.qx-steps,.qx-wrongs{padding-inline:var(--q-in)}.qx-more>summary{margin-left:var(--q-in)}.qx-step,.qx-w{gap:var(--q-gap)}.qx-n,.qx-slip,.qx-w .q-letter{width:auto;min-width:var(--q-mark);height:var(--q-mark);margin-top:-3px}.qx-n{border-radius:9px;background:var(--panel);color:var(--ink-2)}.qx-w{padding:13px 0 10px}.qx-video-row{gap:var(--q-gap);padding:12px var(--q-in)}.qx-video-row .tile{width:var(--q-mark);height:var(--q-mark)}.qx-video-row .tile .i{width:14px;height:14px}.q-pre .why>summary{gap:var(--q-gap);padding-inline:var(--q-in)}.q-pre .why>summary .i:first-child{margin-inline:6px}.q-pre .why-body{padding-left:var(--q-text);padding-right:var(--q-in)}.sp-mark{background:var(--bad)}.sp-chap-mistake,.sp-chap-mistake:hover{background:var(--bad-tint);color:var(--bad)}.sp-chap-mistake:hover{border-color:var(--bad-2)}.sp-chap-mistake .sp-chap-t{color:var(--bad)}.sp-read li button.is-now{background:var(--panel-2)}.q sub,.q sup{font-size:13px;line-height:0}.qx-video-body .sp-read ol{margin-inline:-10px}.done{--done-gap:24px;--done-head:30px}.done-hero{padding:8px var(--inset) 0}.done-hero h1{margin-top:12px;text-wrap:balance}.done-meter{margin-top:20px}.done-who{margin:0;padding:0;gap:0;align-items:flex-end;justify-content:flex-end}.done-who .band-pico{position:static}.done-sec-head{padding-inline:var(--inset)}.done-row{padding:10px var(--inset)}.done-row-when b{color:var(--ink)}.done-reward{gap:16px 24px;padding:16px var(--inset)}.done-reward-pts small{margin-left:6px}.done-next{padding:22px var(--inset)}.done-next-text .h4{margin-top:6px}.done-next-text p{margin-top:4px}.done>.why>summary{padding-inline:var(--inset)}.done>.why .why-body{padding-left:calc(var(--inset) + 28px);padding-right:var(--inset)}@media (min-width:761px){.done-who .band-say{max-width:264px;margin:0 -6px 30px 0}.done-who .band-pico{width:104px;height:104px;margin:0 -22px calc(-1 * (var(--done-gap) + var(--done-head) + 15px)) 0}}@media (min-width:761px) and (max-width:900px){.done-who .band-say{max-width:208px}.done-who .band-pico{width:92px;height:92px}}@media (max-width:760px){.q{--q-gap:12px}.q-passage{padding:18px var(--q-in)}.q-choice{padding:11px var(--q-in)}.ses-tools{margin-left:0}.done{--done-gap:20px}.done-who{flex-direction:row-reverse;align-items:center;gap:8px}.done-who .band-say{margin:0}.done-who .band-pico{width:64px;height:64px;margin:0 0 0 -8px}.done-row{padding:12px var(--inset)}}.q-num{background:var(--go-tint);color:var(--go-ink)}.ses-prog i.is-now{background:var(--go-tint);box-shadow:inset 0 0 0 1.5px var(--go)}.qx-video-row .tile{background:var(--go-tint);color:var(--go-ink)}.done-strip[style*="--cols"]{grid-template-columns:repeat(var(--cols),minmax(0,1fr))}.done-row-when{display:flex;align-items:center;justify-content:flex-end;gap:6px}.done-row-when .mastered-mark{margin:0}html[data-palette=evergreen] .q-choice[aria-checked=true],html[data-palette=milk] .q-choice[aria-checked=true]{border-color:var(--ink-3);background:var(--panel);box-shadow:0 0 0 1px var(--ink-3),0 var(--lip) 0 var(--ink-3)}html[data-palette=evergreen] .q-choice[aria-checked=true] .q-letter,html[data-palette=milk] .q-choice[aria-checked=true] .q-letter{background:var(--ink-3);border-color:var(--ink-3);color:#fff}html[data-palette=evergreen] .q-input:focus,html[data-palette=milk] .q-input:focus{border-color:var(--ink-3);box-shadow:0 0 0 1px var(--ink-3),0 var(--lip) 0 var(--ink-3)}.sc{display:block;height:auto;max-width:100%;overflow:visible;--sc-e:cubic-bezier(.3,.7,.3,1);-webkit-tap-highlight-color:transparent}.sc-right .sc-flip{transform:scaleX(-1);transform-origin:60px 60px}.sc-on-ink .sc-pose{filter:drop-shadow(1.4px 0 0 #fff) drop-shadow(-1.4px 0 0 #fff) drop-shadow(0 1.4px 0 #fff) drop-shadow(0 -1.4px 0 #fff)}.sc-on-ink .sc-sh{fill:#fff}.sc-all,.sc-mid,.sc-pose{transform-origin:60px 110px}.sc-pose{transform:translate(var(--tx,0),var(--ty,0)) rotate(var(--tilt,0deg))}.sc-aL{transform:rotate(var(--aL,12deg))}.sc-fL{transform:rotate(var(--fL,16deg))}.sc-w{transform:rotate(var(--w,26deg))}.sc-aR{transform:rotate(calc(var(--aR, 37deg) * -1))}.sc-fR{transform:rotate(calc(var(--fR, -98deg) * -1))}.sc-head{transform:rotate(var(--hd,-3deg))}.sc-hat{transform:translateY(var(--hy,0)) rotate(var(--ht,-6deg))}.sc-cloak{transform:rotate(var(--cr,0deg)) scaleX(var(--cs,1))}.sc-aL,.sc-aR,.sc-cloak,.sc-fL,.sc-fR,.sc-hat,.sc-head,.sc-pose,.sc-w{transition:transform .5s var(--sc-e)}.sc-aL,.sc-aR,.sc-ck,.sc-cloak,.sc-fL,.sc-fR,.sc-hat,.sc-hatk,.sc-head,.sc-hk,.sc-kL,.sc-kR,.sc-orb,.sc-orbc,.sc-orbw,.sc-qL,.sc-qR,.sc-w,.sc-wk{transform-origin:var(--o,60px 60px)}.sc-orbw{transform:scaleY(.36)}.sc-bl,.sc-c,.sc-d,.sc-pop,.sc-puff,.sc-rs,.sc-sh,.sc-tr,.sc-wst,.sc-z{transform-box:fill-box;transform-origin:center}.sc-tip,.sc-x,.sc-xi{transition:opacity .24s ease}.sc-out .sc-x,.sc-out .sc-xi{opacity:0}@keyframes sc-breathe{0%,to{transform:none}50%{transform:scaleY(1.012)}}@keyframes sc-cloak{0%,to{transform:none}35%{transform:rotate(1.6deg) skewX(-2.4deg)}70%{transform:rotate(-1deg) skewX(1.4deg)}}@keyframes sc-cloak1{0%,to{transform:none}30%{transform:rotate(3deg) skewX(-5deg)}62%{transform:rotate(-2deg) skewX(3deg)}84%{transform:rotate(.8deg) skewX(-1deg)}}@keyframes sc-flare{0%{transform:scaleX(.62)}45%{transform:scaleX(1.1)}72%{transform:scaleX(.97)}to{transform:none}}@keyframes sc-blink{0%,to{transform:none}50%{transform:scaleY(.1)}}@keyframes sc-blink-l{0%,93%,to{transform:none}96.5%{transform:scaleY(.1)}}@keyframes sc-twinkle{0%,to{transform:none}50%{transform:scale(.7) rotate(45deg)}}@keyframes sc-twinkle-l{0%,78%,to{transform:none}89%{transform:scale(.72) rotate(45deg)}}@keyframes sc-wave{0%,to{transform:none}16%{transform:rotate(-16deg)}34%{transform:rotate(12deg)}52%{transform:rotate(-14deg)}70%{transform:rotate(9deg)}86%{transform:rotate(-3deg)}}@keyframes sc-sway{0%,to{transform:none}30%{transform:rotate(-2deg)}70%{transform:rotate(1.2deg)}}@keyframes sc-cant{0%,to{transform:none}35%{transform:rotate(4deg)}70%{transform:rotate(-1.5deg)}}@keyframes sc-hop{0%,58%,to{transform:none}12%{transform:scale(1.03,.96)}30%{transform:translateY(-5px) scale(.99,1.02)}46%{transform:scale(1.025,.97)}70%{transform:translateY(-2.4px)}84%{transform:scale(1.01,.99)}}@keyframes sc-pump{0%,to{transform:none}14%{transform:rotate(-34deg)}36%{transform:rotate(7deg)}58%{transform:rotate(-4deg)}78%{transform:rotate(2deg)}}@keyframes sc-wob{0%,to{transform:none}22%{transform:rotate(-4deg)}48%{transform:rotate(3deg)}72%{transform:rotate(-1.2deg)}}@keyframes sc-droop{0%{transform:rotate(-26deg)}30%{transform:rotate(9deg)}55%{transform:rotate(-5deg)}78%{transform:rotate(2deg)}to{transform:none}}@keyframes sc-puff{0%{transform:scale(.2);opacity:0}35%{transform:scale(1.25);opacity:1}to{transform:none;opacity:1}}@keyframes sc-fall{0%{transform:translateY(-9px);opacity:0}40%{opacity:1}to{transform:none;opacity:1}}@keyframes sc-jab{0%,45%,to{transform:none}24%,68%{transform:translateY(2.6px)}}@keyframes sc-nod{0%,46%,86%,to{transform:none}22%{transform:translateY(1.6px) rotate(7deg)}66%{transform:translateY(1px) rotate(4.5deg)}}@keyframes sc-bow{0%,to{transform:none}34%,58%{transform:translateY(.8px) rotate(-7deg)}}@keyframes sc-doff{0%,to{transform:none}30%,60%{transform:translate(-2.2px,-4.6px) rotate(-11deg)}82%{transform:translate(.3px,.5px) rotate(1.5deg)}}@keyframes sc-lift{0%,to{transform:none}30%,60%{transform:rotate(13deg)}82%{transform:rotate(-2deg)}}@keyframes sc-pop{0%{transform:scale(0);opacity:0}60%{transform:scale(1.28);opacity:1}to{transform:none;opacity:1}}@keyframes sc-burst{0%{transform:translate(var(--bx,0),var(--by,0)) scale(.2) rotate(-60deg);opacity:0}45%{opacity:1}to{transform:none;opacity:1}}@keyframes sc-dot{0%,to{opacity:1;transform:none}45%{opacity:.15;transform:scale(.6)}}@keyframes sc-twirl{0%,to{transform:none}25%{transform:rotate(-9deg)}50%{transform:rotate(3deg)}75%{transform:rotate(-6deg)}}@keyframes sc-rise{0%{transform:translateY(6px)}48%{transform:translateY(-1.6px)}74%{transform:translateY(.7px)}to{transform:none}}@keyframes sc-shadow{0%{transform:scaleX(1.5);opacity:1}48%{transform:scaleX(.9)}to{transform:none;opacity:1}}@keyframes sc-orbit{0%{transform:rotate(-1turn);opacity:0}14%{opacity:1}to{transform:none;opacity:1}}@keyframes sc-orbit-c{0%{transform:rotate(1turn)}to{transform:none}}@keyframes sc-swing{0%{transform:rotate(74deg)}22%{transform:rotate(84deg)}52%{transform:rotate(-9deg)}74%{transform:rotate(3deg)}to{transform:none}}@keyframes sc-whip{0%,22%{transform:rotate(-22deg)}52%{transform:rotate(14deg)}76%{transform:rotate(-4deg)}to{transform:none}}@keyframes sc-lunge{0%,to{transform:none}20%{transform:rotate(2.5deg)}52%{transform:rotate(-2.5deg) translateX(-1.5px)}78%{transform:rotate(.6deg)}}@keyframes sc-trail{0%{transform:scale(0) rotate(-90deg);opacity:0}55%{transform:scale(1.35);opacity:1}to{transform:none;opacity:1}}@keyframes sc-scan{0%,to{transform:none}40%{transform:translateX(-.9px)}80%{transform:translateX(.7px)}}@keyframes sc-zed{0%{transform:translate(-3px,4px) scale(.6);opacity:0}30%{opacity:1}to{transform:none;opacity:1}}@keyframes sc-zed-l{0%,to{transform:none;opacity:1}50%{transform:translate(1.5px,-2.5px);opacity:.25}}.sc-loop .sc-all{animation:sc-breathe 4.4s ease-in-out infinite}.sc-loop .sc-ck{animation:sc-cloak 5.2s ease-in-out infinite}.sc-loop .sc-bl{animation:sc-blink-l 5.6s linear infinite}.sc-loop .sc-wst{animation:sc-twinkle-l 5.6s ease-in-out infinite}.sc-loop[data-pose=think] .sc-d{animation:sc-dot 2.4s ease-in-out infinite;animation-delay:calc(var(--i, 0) * .4s)}.sc-loop[data-pose=sleep] .sc-z{animation:sc-zed-l 3.6s ease-in-out infinite;animation-delay:calc(var(--i, 0) * .5s)}.sc-loop[data-pose=read] .sc-bl{animation:sc-scan 3.2s ease-in-out infinite}.sc-go .sc-bl{animation:sc-blink .24s ease-in-out .9s 1}.sc-go .sc-pop{animation:sc-pop .5s cubic-bezier(.3,1.5,.5,1) both;animation-delay:var(--d,0s)}.sc-go[data-pose=idle] .sc-all{animation:sc-breathe 2.1s ease-in-out}.sc-go[data-pose=idle] .sc-ck{animation:sc-cloak1 2.1s ease-in-out}.sc-go[data-pose=idle] .sc-wst{animation:sc-twinkle .6s ease-in-out .5s}.sc-go[data-pose=hello] .sc-qR{animation:sc-wave 1.3s ease-in-out}.sc-go[data-pose=hello] .sc-hk{animation:sc-cant 1.3s ease-in-out}.sc-go[data-pose=hello] .sc-ck{animation:sc-cloak1 1.3s ease-in-out}.sc-go[data-pose=think] .sc-all{animation:sc-sway 2.5s ease-in-out}.sc-go[data-pose=think] .sc-wk{animation:sc-twirl 2.4s ease-in-out}.sc-go[data-pose=think] .sc-d{animation:sc-dot 1.2s ease-in-out 2;animation-delay:calc(var(--i, 0) * .22s)}.sc-go[data-pose=point] .sc-kL{animation:sc-jab 1s ease-in-out}.sc-go[data-pose=point] .sc-wst{animation:sc-twinkle .5s ease-in-out .25s 2}.sc-go[data-pose=point] .sc-ck{animation:sc-cloak1 1s ease-in-out}.sc-go[data-pose=cheer] .sc-all{animation:sc-hop 1.4s ease-in-out}.sc-go[data-pose=cheer] .sc-kL{animation:sc-pump 1.1s ease-out}.sc-go[data-pose=cheer] .sc-ck{animation:sc-flare .9s ease-out}.sc-go[data-pose=cheer] .sc-c{animation:sc-burst .7s cubic-bezier(.2,.8,.3,1) both;animation-delay:calc(var(--d, 0s) + .16s)}.sc-go[data-pose=oops] .sc-all{animation:sc-wob .95s ease-in-out}.sc-go[data-pose=oops] .sc-wk{animation:sc-droop .9s ease-out}.sc-go[data-pose=oops] .sc-puff{animation:sc-puff .6s ease-out .12s both}.sc-go[data-pose=oops] .sc-d{animation:sc-fall .6s ease-in both;animation-delay:calc(.3s + var(--i, 0) * .14s)}.sc-go[data-pose=oops] .sc-bl{animation:sc-blink .22s ease-in-out .5s 2}.sc-go[data-pose=sleep] .sc-all{animation:sc-breathe 2.8s ease-in-out}.sc-go[data-pose=sleep] .sc-z{animation:sc-zed .9s ease-out both;animation-delay:calc(.2s + var(--i, 0) * .45s)}.sc-go[data-pose=levelup] .sc-all{animation:sc-rise 1.1s cubic-bezier(.3,.7,.3,1)}.sc-go[data-pose=levelup] .sc-ck{animation:sc-flare 1.1s ease-out}.sc-go[data-pose=levelup] .sc-sh{animation:sc-shadow 1.1s ease-out}.sc-go[data-pose=levelup] .sc-orb{animation:sc-orbit 1.4s cubic-bezier(.3,.2,.2,1) both}.sc-go[data-pose=levelup] .sc-orbc{animation:sc-orbit-c 1.4s cubic-bezier(.3,.2,.2,1) both}.sc-go[data-pose=nod] .sc-hk{animation:sc-nod .95s ease-in-out}.sc-go[data-pose=cast] .sc-kL{animation:sc-swing .9s cubic-bezier(.4,0,.3,1)}.sc-go[data-pose=cast] .sc-wk{animation:sc-whip .9s ease-out}.sc-go[data-pose=cast] .sc-all{animation:sc-lunge .9s ease-in-out}.sc-go[data-pose=cast] .sc-ck{animation:sc-cloak1 1.2s ease-out}.sc-go[data-pose=cast] .sc-tr{animation:sc-trail .5s cubic-bezier(.3,1.4,.5,1) both;animation-delay:calc(.2s + var(--i, 0) * .09s)}.sc-go[data-pose=cast] .sc-wst{animation:sc-twinkle .5s ease-in-out .55s 2}.sc-go[data-pose=read] .sc-bl{animation:sc-scan 2.2s ease-in-out}.sc-go[data-pose=read] .sc-rs{animation:sc-twinkle .7s ease-in-out .4s 2}.sc-go[data-pose=tip] .sc-hatk{animation:sc-doff 1.2s ease-in-out}.sc-go[data-pose=tip] .sc-qL{animation:sc-lift 1.2s ease-in-out}.sc-go[data-pose=tip] .sc-hk{animation:sc-bow 1.2s ease-in-out}@media (prefers-reduced-motion:reduce){.sc,.sc *{animation:none!important;transition:none!important}}@media (max-width:640px){body:not(:has(.tabbar)){padding-bottom:0}}@media (min-width:641px){html[data-navpos=rail] body:not(:has(.rail)){padding-left:0;padding-right:0}html[data-navpos=rail] body:not(:has(.rail)) .opts-fab{display:inline-flex}}.ses-page{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh}.s-viewas{position:-webkit-sticky;position:sticky;top:0;z-index:75;background:var(--ink);color:#fff}.s-viewas-in{justify-content:space-between;gap:12px 20px;flex-wrap:wrap;min-height:52px;padding-block:8px}.s-viewas p,.s-viewas-in{display:flex;align-items:center}.s-viewas p{gap:10px;font-size:14px;line-height:1.4}.s-viewas b{font-weight:600}.s-viewas .btn{--b-bg:transparent;--b-fg:#fff;--b-line:rgba(255,255,255,.4);--b-base:transparent}.s-viewas .btn:hover{--b-bg:rgba(255,255,255,.12)}.island-wrap{top:calc(18px + var(--viewas-h, 0px))}.rail{top:var(--viewas-h,0)}@media (max-width:860px){.island-wrap{top:calc(58px + var(--viewas-h, 0px))}}@media (max-width:640px){.island-wrap{top:calc(10px + var(--viewas-h, 0px))}}.s-paynote{margin:0 0 20px}.s-skip{position:absolute;left:12px;top:-60px;z-index:100;padding:10px 14px;border-radius:10px;background:var(--ink);color:#fff;font:600 14px/1 var(--f-sans)}.s-skip:focus{top:12px}main#main:focus{outline:none}.s-top-plain{align-items:center;padding-top:0}@media (max-width:640px){.s-top-plain{display:flex}.s-top-q{display:none}}[aria-busy=true]:is(.btn,.also,.mrow-act,.stop,a){cursor:progress}.btn[aria-busy=true]{opacity:1;box-shadow:0 var(--depth) 0 var(--b-base);pointer-events:none}.btn:not(.btn-primary)[aria-busy=true]{opacity:.7}.btn-primary[aria-busy=true]{outline:3px solid color-mix(in srgb,var(--go) 30%,transparent);outline-offset:3px}@media (prefers-reduced-motion:no-preference){html:not([data-motion=calm]) .btn-primary[aria-busy=true]{animation:btn-ring 1.1s ease-out infinite}}:is(.also,.stop,.mrow-act,a)[aria-busy=true]:not(.btn){opacity:.6;pointer-events:none}