.z2-course .zc-grid{grid-template-columns:240px minmax(0,1fr);align-items:start;gap:48px;padding:24px 0 72px;display:grid}.zs{min-width:0}.zs-stage{justify-content:center;align-items:center;gap:24px;display:flex}.zs-arrow{border:1.5px solid var(--line-strong);background:var(--white);border-radius:50%;flex:none;place-items:center;width:48px;height:48px;font-size:22px;font-weight:900;transition:border-color .2s;display:grid}.zs-arrow:hover:not(:disabled){border-color:var(--ink)}.zs-arrow:disabled{opacity:.3;cursor:default}.zs-hint{text-align:center;color:var(--g2);margin-top:14px;font-size:12.5px;font-weight:700}.zs-hint b{color:var(--ink)}.zs-story{view-transition-name:zs-sheet;aspect-ratio:9/16;background:var(--white);height:min(740px,100vh - 150px);min-height:580px;box-shadow:0 24px 50px -24px #00000073,0 0 0 1px var(--ln);-webkit-user-select:none;user-select:none;cursor:pointer;border-radius:24px;position:relative;overflow:hidden}.zs-bars{z-index:5;gap:3px;display:flex;position:absolute;top:12px;left:12px;right:12px}.zs-bars i{background:#11121324;border-radius:2px;flex:1;height:3px;overflow:hidden}.zs-bars i.q{flex:.55}.zs-bars i b{background:var(--ink);width:0;height:100%;display:block}.zs-bars i.done b,.zs-bars i.now b{width:100%}.zs-story.dark .zs-bars i{background:#ffffff4d}.zs-story.dark .zs-bars i b{background:#fff}.zs-head{z-index:5;color:var(--ink);justify-content:space-between;align-items:center;font-size:12.5px;font-weight:800;display:flex;position:absolute;top:22px;left:14px;right:8px}.zs-head .who{white-space:nowrap;text-overflow:ellipsis;align-items:center;gap:8px;min-width:0;display:flex;overflow:hidden}.zs-head .who em{background:var(--bg2);border-radius:50%;flex:none;place-items:center;width:28px;height:28px;font-size:15px;font-style:normal;display:grid}.zs-head .x{flex:none;place-items:center;width:36px;height:36px;font-size:24px;font-weight:500;display:grid}.zs-story.dark .zs-head{color:#fff}.zs-story.dark .zs-head .who em{background:#ffffffe6}.zs-head .who em .z2-emo{color:var(--ink);font-size:.72em}.zs-slide{opacity:0;visibility:hidden;padding:78px 24px 26px;transition:opacity .25s,visibility 0s .25s;position:absolute;inset:0;overflow:hidden}.zs-in{width:calc(100% / var(--s,1));height:calc(100% / var(--s,1));transform:scale(var(--s,1));transform-origin:0 0;flex-direction:column;display:flex}.zs-slide.on{opacity:1;visibility:visible;transition:opacity .25s}.zs-slide .k{letter-spacing:.02em;opacity:.75;font-size:13px;font-weight:900}.zs-slide h1{letter-spacing:-.05em;margin-top:10px;font-size:32px;font-weight:900;line-height:1.25}.zs-slide h2{letter-spacing:-.045em;align-items:center;gap:10px;margin:0 0 14px;font-size:25px;font-weight:900;line-height:1.3;display:flex}.zs-slide h2 .no{background:var(--tint);width:32px;height:32px;color:var(--tint-ink);border-radius:50%;flex:none;place-items:center;font-size:16px;font-weight:900;display:grid}.zs-slide h3{margin:4px 0 10px;font-size:19px;font-weight:900}.zs-slide .cont{opacity:.6;margin-bottom:12px;font-size:13px;font-weight:900}.zs-slide .tx{white-space:pre-line;margin:0 0 14px;font-size:17px;font-weight:600;line-height:1.7}.zs-slide ul{background:#0000000a;border-radius:14px;margin:0 0 14px;padding:12px 16px 12px 32px;font-size:16px;font-weight:600;line-height:1.6}.zs-slide li{margin:3px 0}.zs-slide li::marker{color:var(--ac)}.zs-card.t-white{background:var(--white);color:var(--ink)}.zs-card.t-tint,.zs-card.t-sage{background:var(--tint);color:var(--tint-ink)}.zs-card.t-navy{background:var(--ac);color:#fff}.zs-card.t-tint h2 .no,.zs-card.t-sage h2 .no{background:var(--white)}.zs-card.t-navy h2 .no{color:#fff;background:#ffffff24}.zs-card.t-navy ul{background:#ffffff14}.zs-card.t-navy li::marker{color:var(--band-sub)}.zs-cover .big{margin-top:40px;font-size:92px;line-height:1}.zs-cover h1{margin-top:22px}.zs-cover .s{opacity:.88;margin-top:14px;font-size:17px;font-weight:600;line-height:1.65}.zs-cover .foot{opacity:.6;margin-top:auto;font-size:13px;font-weight:800}.zs-tip{background:var(--white);color:var(--tint-ink);border-radius:14px;gap:10px;margin:0 0 14px;padding:12px 14px;font-size:15px;line-height:1.65;display:flex}.zs-card.t-white .zs-tip{background:var(--tint)}.zs-card.t-navy .zs-tip{color:#fff;background:#ffffff1a}.zs-tip b{flex:none;font-size:16px;line-height:1.6}.zs-tip p{white-space:pre-line;margin:0;font-weight:700}.zs-tip.warn,.zs-card .zs-tip.warn{background:var(--wrong-bg);color:var(--wrong-ink)}.zs-table{background:var(--white);color:var(--ink);box-shadow:0 0 0 1px var(--ln);cursor:auto;border-radius:14px;margin:0 0 14px;overflow-x:auto}.zs-table table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.5}.zs-table th,.zs-table td{text-align:left;vertical-align:middle;border-bottom:1px solid var(--ln);white-space:normal;word-break:keep-all;overflow-wrap:break-word;padding:10px 12px}.zs-table thead th{background:var(--bg2);color:var(--g1);font-size:12.5px;font-weight:900;line-height:1.35}.zs-table tbody th{font-weight:800}.zs-table .c4{font-size:13px}.zs-table .c4 :is(th,td){padding:9px 8px}.zs-table .c4 thead th{font-size:11.5px}.zs-table :is(.c5,.c6){font-size:12px}.zs-table :is(.c5,.c6) :is(th,td){padding:8px 5px}.zs-table :is(.c5,.c6) thead th{font-size:11px}.zs-table tbody tr:last-child>*{border-bottom:0}.zs-chart{background:var(--white);color:var(--ink);box-shadow:0 0 0 1px var(--ln);border-radius:14px;margin:0 0 14px;padding:16px 14px 12px}.zs-chart figcaption{text-align:left;margin-bottom:10px;font-size:13.5px;font-weight:900}.zs-chart .row{grid-template-columns:minmax(72px,32%) 1fr auto;align-items:center;gap:8px;margin:8px 0;font-size:13px;display:grid}.zs-chart .l{color:var(--g1);font-weight:700;line-height:1.35}.zs-chart .tr{background:var(--bg2);border-radius:99px;height:14px;overflow:hidden}.zs-chart .tr i{background:var(--k3);border-radius:99px;height:100%;display:block}.zs-chart .tr i.top{background:var(--ac)}.zs-chart .row>b{text-align:right;white-space:nowrap;font-size:13px;font-weight:900}.z2 .zs-link{background:var(--ink);color:#fff;border-radius:16px;justify-content:space-between;align-items:center;gap:10px;margin:0 0 12px;padding:15px 18px;font-size:16px;font-weight:900;text-decoration:none;display:flex}.zs-link em{background:#ffffff29;border-radius:50%;flex:none;place-items:center;width:30px;height:30px;font-style:normal;display:grid}.z2 .zs-card.t-navy .zs-link{color:var(--ink);background:#fff}.zs-card.t-navy .zs-link em{background:var(--bg2)}.zs-fig{background:var(--white);min-height:96px;box-shadow:0 0 0 1px var(--ln);border-radius:16px;flex:0 150px;justify-content:center;margin:0 0 14px;padding:12px;display:flex}.zs-fig.wide{flex-basis:210px;min-height:130px}.zs-fig svg{max-width:100%;height:100%}.fitting .zs-fig{flex-basis:96px}.fitting .zs-fig.wide{flex-basis:130px}.zs-quiz .zs-fig{flex-basis:170px;margin:14px 0 0}.zs-quiz{background:var(--bg2);color:var(--ink)}.zs-quiz .qtag{background:var(--ink);color:#fff;border-radius:99px;align-self:flex-start;padding:6px 12px;font-size:12.5px;font-weight:900}.zs-quiz .about{color:var(--g1);margin-top:12px;font-size:13px;font-weight:800}.zs-quiz h2{margin:8px 0 0;font-size:23px;display:block}.zs-quiz .guess{color:var(--g2);margin-top:10px;font-size:13.5px;font-weight:700}.zs-quiz .opts{gap:10px;margin-top:20px;display:grid}.zs-quiz .opts.ox{grid-template-columns:1fr 1fr}.zs-quiz .opts button{background:var(--white);border:2px solid var(--line-strong);text-align:left;border-radius:16px;min-height:56px;padding:14px 16px;font-size:16.5px;font-weight:800;transition:transform .15s,background .2s,border-color .2s}.zs-quiz .opts.ox button{text-align:center;min-height:104px;font-size:40px}.zs-quiz .opts button:not(:disabled):active{transform:scale(.97)}.zs-quiz .opts button:disabled{cursor:default;opacity:.4}.zs-quiz .opts button.right{opacity:1;background:var(--ac);border-color:var(--ac);color:var(--on-ac)}.zs-quiz .opts button.wrong{opacity:1;background:var(--wrong-bg);border-color:var(--wrong);color:var(--wrong-ink)}.zs-quiz .fb{border-radius:14px;margin-top:14px;padding:14px 16px;font-size:15px;font-weight:600;line-height:1.6;animation:.25s ease-out zs-pop}.zs-quiz .fb b{margin-bottom:2px;font-size:16px;font-weight:900;display:block}.zs-quiz .fb.ok{background:var(--tint);color:var(--tint-ink)}.zs-quiz .fb.no{background:var(--wrong-bg);color:var(--wrong-ink)}@keyframes zs-pop{0%{opacity:0;transform:translateY(6px)}}@keyframes zs-open{0%{opacity:0;border-radius:24px;transform:translateY(7%)scale(.94)}}.zs-img{color:#fff;background:#111}.zs-img .zs-in{justify-content:center}.zs-img img{object-fit:contain;border-radius:12px;width:100%;max-height:78%}.zs-img p{text-align:center;opacity:.8;margin-top:12px;font-size:14px}.zs-sum{background:var(--ac);color:#fff;cursor:auto}.zs-sum .sumtx{margin-top:12px}.zs-sum .sumtx .tx{letter-spacing:-.03em;font-size:20px;font-weight:900;line-height:1.55}.zs-sum .score{background:#ffffff1f;border-radius:14px;margin:4px 0 0;padding:12px 16px;font-size:15px;font-weight:800}.zs-sum .score b{font-size:22px}.zs-sum .next{color:var(--ink);background:#fff;border-radius:18px;flex-direction:column;flex:none;gap:3px;margin-top:auto;padding:16px 18px;display:flex}.zs-sum .next small{color:var(--ac-text);font-size:12.5px;font-weight:800}.zs-sum .next b{letter-spacing:-.03em;font-size:19px;font-weight:900}.zs-sum .next span{color:var(--g1);font-size:13.5px;font-weight:600}.zs-sum .next.soon{color:#fff;background:#ffffff24}.zs-sum .next.soon small,.zs-sum .next.soon span{color:#ffffffbf}.zs-sum .links{justify-content:center;gap:18px;margin-top:12px;font-size:13.5px;font-weight:800;display:flex}.zs-sum .links>*{opacity:.8}.zs-sum .note{text-align:center;opacity:.6;margin-top:10px;font-size:11.5px}.z2-course .cs-side{position:sticky;top:24px}.z2-course .cs-head{border-bottom:1px solid var(--ln)}.z2-course .cs-head small{color:var(--g2);font-weight:800}.z2-course .cs-head b{letter-spacing:-.03em;font-size:17px;font-weight:900}.z2-course .cs-steps:before{background:var(--ln)}.z2-course .cs-steps li a:hover{background:var(--bg2)}.z2-course .cs-dot{background:var(--white);border-color:var(--line-strong);color:var(--g1);box-shadow:0 0 0 3px var(--white)}.z2-course .cs-steps li.cs-part{color:var(--g2);font-weight:900}.z2-course .cs-t{font-weight:700}.z2-course .cs-t em{color:var(--g2);font-weight:700}.z2-course .cs-steps li.done .cs-dot{background:var(--ac);border-color:var(--ac);color:var(--on-ac)}.z2-course .cs-steps li.now .cs-row{background:var(--tint)}.z2-course .cs-steps li.now .cs-dot{border:2px solid var(--ac);color:var(--ac-text);box-shadow:0 0 0 3px var(--tint)}.z2-course .cs-steps li.now .cs-t{color:var(--tint-ink);font-weight:900}.z2-course .cs-steps li.wait .cs-dot{border-color:var(--line-strong);color:var(--g2)}.z2-course .cs-steps li.wait .cs-t{color:var(--g2);font-weight:600}.z2-course .cs-back{color:var(--ac-text);font-weight:800}@media (max-width:900px){.z2-course .zc-grid{grid-template-columns:minmax(0,1fr);gap:18px;padding:16px 0 56px}.z2-course .cs-side{border:1px solid var(--line-strong);border-radius:var(--r-tile);background:var(--white);position:static}.z2-course .cs-toggle{color:var(--ink);font-weight:800}}@media (max-width:600px){.zs-arrow,.zs-hint{display:none}.zs-stage{display:block}.zs-story{z-index:60;aspect-ratio:auto;width:100vw;height:100dvh;min-height:0;box-shadow:none;touch-action:pan-y;border-radius:0;transition:transform .2s ease-out,border-radius .2s;position:fixed;inset:0}.zs-story.dragging{box-shadow:0 20px 60px #00000059}.zs-story{animation:.42s cubic-bezier(.32,.72,0,1) backwards zs-open}.zs-slide{padding:80px 22px calc(24px + env(safe-area-inset-bottom))}.zs-slide h1{font-size:30px}.zs-slide h2{font-size:23px}.zs-quiz h2{font-size:22px}.zs-slide .tx{font-size:16.5px}}@media (prefers-reduced-motion:reduce){.zs-slide,.zs-slide.on{transition:none}.zs-quiz .fb,.zs-story{animation:none}}.zs-slide h3.zs-sub{border-left:4px solid var(--ac);margin:0 0 12px;padding-left:10px;font-size:19px;font-weight:900;line-height:1.35}.zs-card.t-navy h3.zs-sub{border-color:var(--band-sub)}.zs-share .bar{border-radius:99px;height:18px;display:flex;overflow:hidden}.zs-share .bar span{flex-basis:0}.zs-share .c0{background:var(--ac)}.zs-share .c1{background:var(--k3)}.zs-share .c2{background:var(--g2)}.zs-share ul{background:0 0;margin:10px 0 0;padding:0;list-style:none}.zs-share li{align-items:center;gap:8px;padding:3px 0;font-size:13.5px;display:flex}.zs-share li i{border-radius:3px;flex:none;width:10px;height:10px}.zs-share li b{margin-left:auto;font-weight:900}.zs-share li small{text-align:right;width:38px;color:var(--g1);font-weight:700}.zs-cover .toc{opacity:.9;margin:14px 0 0;padding-left:20px;font-size:13.5px;line-height:1.7}.zs-table .n{text-align:right;font-variant-numeric:tabular-nums;letter-spacing:-.01em}.zs-table td.n{white-space:nowrap}@media (max-width:600px){.zs-cover .toc{font-size:13px}}.zs-head .who em .z2-emo.long{letter-spacing:-.04em;font-size:.5em}.zs-cover .toc{counter-reset:toc;padding-left:0;list-style:none}.zs-cover .toc li{counter-increment:toc;break-inside:avoid;gap:8px;display:flex}.zs-cover .toc li:before{content:counter(toc);opacity:.7;min-width:16px;font-weight:900}.zs-head .who em .z2-emo-img{width:.95em;height:.95em}.zs-cover .big .z2-emo-img{box-sizing:content-box;vertical-align:0;background:#fff;border-radius:50%;width:.62em;height:.62em;padding:.19em}.zs-slide .zs-people{background:0 0;border-radius:0;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px 8px;margin:14px 0;padding:0;list-style:none;display:grid}.zs-slide .zs-people.n1{grid-template-columns:minmax(0,1fr)}.zs-slide .zs-people.n2,.zs-slide .zs-people.n4{grid-template-columns:repeat(2,minmax(0,1fr))}.zs-people li{text-align:center;flex-direction:column;align-items:center;gap:4px;display:flex}.zs-people img{width:calc(76px * var(--s,1));height:calc(76px * var(--s,1));object-fit:cover;object-position:50% 22%;border:3px solid var(--ac);background:var(--bg2);border-radius:50%;margin-bottom:4px}.zs-card.t-navy .zs-people img{border-color:#fff}.zs-people b{font-size:14.5px;font-weight:900;line-height:1.3}.zs-people small{opacity:.72;font-size:12px;font-weight:600;line-height:1.4}.zs-slide .zs-logos{background:0 0;border-radius:0;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px 8px;margin:14px 0;padding:0;list-style:none;display:grid}.zs-logos li{flex-direction:column;align-items:center;gap:5px;display:flex}.zs-logos span{width:100%;height:calc(58px * var(--s,1));border:1px solid var(--ln);box-sizing:border-box;background:#fff;border-radius:14px;justify-content:center;align-items:center;padding:10px 12px;display:flex}.zs-logos img{object-fit:contain;width:100%;height:100%;min-height:0;display:block}.zs-logos small{opacity:.7;font-size:11.5px;font-weight:700}.zs-photo{margin:14px 0 0}.zs-photo img{width:100%;max-height:calc(300px * var(--s,1));object-fit:cover;object-position:50% 25%;border-radius:18px;display:block}.zs-photo figcaption{opacity:.65;margin-top:6px;font-size:12px;font-weight:600}.zs-photo img[src$=-drawing\.jpg]{object-fit:contain;background:#fff}