._page_1cy46_1{--pilot-soft:#f6f0fc;--pilot-ink:#302041;width:calc(100% - 48px);max-width:1320px;color:var(--pilot-ink);margin:28px auto 64px;scroll-margin-top:100px;font-size:18px;line-height:1.9}._breadcrumb_1cy46_1{flex-wrap:wrap;gap:7px;margin-bottom:20px;font-size:15px;display:flex}._page_1cy46_1 a{color:#7033a8;text-underline-offset:4px;text-decoration:underline}._hero_1cy46_1{border-top:3px solid #ecaa23;padding:24px 0}._hero_1cy46_1 h1{margin:8px 0;font-size:clamp(30px,4vw,48px);line-height:1.3}._hero_1cy46_1 p{max-width:850px;margin:10px 0}._page_1cy46_1 small{color:#713db0;font-weight:700}._links_1cy46_1{flex-wrap:wrap;gap:18px;display:flex}._card_1cy46_1{background:var(--pilot-surface,#fff);border:1px solid #dfd0ef;border-radius:18px;margin:22px 0;padding:28px;scroll-margin-top:110px}._card_1cy46_1 h2{margin:5px 0 18px;font-size:28px}._card_1cy46_1 h3{font-size:21px}._steps_1cy46_1,._toolbar_1cy46_1{flex-wrap:wrap;align-items:center;gap:10px;margin:18px 0;display:flex}._page_1cy46_1 button{background:var(--pilot-surface,#fff);color:inherit;cursor:pointer;border:1px solid #c9b4e1;border-radius:10px;padding:10px 17px;font-family:inherit;font-size:16px;line-height:1.6}._page_1cy46_1 button:disabled{opacity:.5;cursor:not-allowed}._page_1cy46_1 button[aria-current],._page_1cy46_1 button[aria-pressed=true],._page_1cy46_1 ._primary_1cy46_1{color:#fff;background:#6d35a3;border-color:#6d35a3}._page_1cy46_1 a._primary_1cy46_1{border-radius:10px;padding:10px 18px;text-decoration:none;display:inline-block}:is(._page_1cy46_1 button:focus-visible,._page_1cy46_1 a:focus-visible,._page_1cy46_1 summary:focus-visible){outline-offset:3px;outline:3px solid #e3a016}._formula_1cy46_1{text-align:center;background:var(--pilot-soft);overflow-wrap:anywhere;border-radius:10px;padding:14px;font-size:22px;font-weight:700}._figure_1cy46_1{max-width:760px;margin:22px auto}._figure_1cy46_1 svg{width:100%;height:auto;display:block}._figure_1cy46_1 figcaption{color:inherit;opacity:.8;font-size:14px}._twoColumns_1cy46_1{grid-template-columns:1fr 1fr;gap:18px;display:grid}._twoColumns_1cy46_1 article{background:var(--pilot-soft);border-radius:12px;padding:16px 20px}._note_1cy46_1{background:var(--pilot-soft);border-inline-start:4px solid #e5a41e;padding:13px 17px;font-size:16px}._worked_1cy46_1{border:1px solid #d4b5ec;border-radius:12px;margin:18px 0;padding:17px}._worked_1cy46_1 summary{cursor:pointer;font-weight:700}._bookLink_1cy46_1{margin-top:12px;font-size:15px;display:inline-block}._options_1cy46_1{border:0;margin:20px 0;padding:0}._options_1cy46_1 legend{float:none;width:100%;margin-bottom:15px;font-size:21px;font-weight:700}._options_1cy46_1 label{cursor:pointer;border:1px solid #d8c5e9;border-radius:10px;align-items:center;gap:12px;margin:10px 0;padding:15px;display:flex}._options_1cy46_1 input{accent-color:#7135ad;flex-shrink:0;width:20px;height:20px}._options_1cy46_1 b{margin-inline-start:auto;font-size:13px}._options_1cy46_1 label._correct_1cy46_1{color:#3b2051;background:#f4eefc;border:2px solid #763db6}._options_1cy46_1 label._incorrect_1cy46_1{color:#772228;background:#fff3f3;border:2px solid #b3444a}._feedback_1cy46_1{background:var(--pilot-soft);border-inline-start:4px solid #7c46b2;margin:18px 0;padding:16px}._feedback_1cy46_1 p{margin:8px 0}._meta_1cy46_1,._source_1cy46_1{opacity:.85;font-size:15px}._questionNav_1cy46_1{flex-wrap:wrap;gap:7px;display:flex}._questionNav_1cy46_1 button{min-width:40px;padding:6px}._tree_1cy46_1 details{margin:16px 20px}._tree_1cy46_1 summary{cursor:pointer;font-size:22px;font-weight:700;list-style:none}._tree_1cy46_1 summary:before{content:"＋";color:#7934ae;margin-inline-end:10px;display:inline-block}._tree_1cy46_1[open]>summary:before,._tree_1cy46_1 details[open]>summary:before{content:"−"}._tree_1cy46_1 ._links_1cy46_1{flex-direction:column;gap:10px;margin:18px 30px}._bookImage_1cy46_1{border:1px solid #d8c5e9;width:100%;max-width:940px;height:auto;margin:auto;display:block}._bookControls_1cy46_1{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;display:flex}._bookControls_1cy46_1 input{background:var(--pilot-surface,#fff);max-width:90px;color:inherit;border:1px solid #cbb4dd;border-radius:8px;padding:8px}._bookControls_1cy46_1 label{align-items:center;gap:10px;display:flex}.night ._page_1cy46_1{--pilot-soft:#282035;--pilot-surface:#191622;--pilot-ink:#f4ecff}.night ._page_1cy46_1 a{color:#d4b1ff}.night ._page_1cy46_1 small{color:#d9bdff}@media (max-width:700px){._page_1cy46_1{width:calc(100% - 24px);margin-top:18px;font-size:17px}._card_1cy46_1{padding:18px 14px}._twoColumns_1cy46_1{grid-template-columns:1fr}._steps_1cy46_1 button{padding:8px 10px;font-size:14px}._options_1cy46_1 label{flex-wrap:wrap}._options_1cy46_1 b{width:100%;margin-inline-start:32px}._tree_1cy46_1 details,._tree_1cy46_1 ._links_1cy46_1{margin-inline:10px}._card_1cy46_1 h2{font-size:24px}._formula_1cy46_1{font-size:19px}}._simulation_1cy46_2{background:var(--pilot-soft);border:1px solid #d4b5ec;border-radius:14px;margin:18px 0;padding:20px}._simulation_1cy46_2 label{font-weight:700;display:block}._simulation_1cy46_2 input[type=range]{accent-color:#7135ad;cursor:pointer;width:100%;max-width:600px}._gasTrack_1cy46_2{background:var(--pilot-surface,#fff);border:1px solid #9d70c9;border-radius:9px;max-width:600px;height:36px;overflow:hidden}._gasTrack_1cy46_2>div{background:linear-gradient(90deg,#ecaa23,#7a3db4);height:100%;transition:width .15s}.night ._page_1cy46_1{box-sizing:border-box;background:#191622;border-radius:16px;padding:24px}@media (max-width:700px){.night ._page_1cy46_1{padding:16px}}