.app-shell{min-height:100dvh;display:grid;place-items:center;padding:12px}.phone{position:relative;width:min(430px,100%);height:auto;min-height:100dvh;margin:0 auto;overflow:hidden;background:radial-gradient(circle at 50% 0%,rgba(137,118,245,.12),transparent 36%),linear-gradient(180deg,#fbfbff,#f8f7ff 62%,#fff);border:0;border-radius:0;box-shadow:none}.app-shell{width:100%;height:100%;min-height:0;overflow:hidden}.phone:before{display:none}.app{height:100%;display:flex;flex-direction:column}.main{flex:1;overflow:auto;scroll-behavior:smooth}.screen{min-height:100%;padding:28px 18px 116px}.reader-screen,.practice-screen{padding-bottom:28px}.home-title{padding:0 2px 18px}.home-title h1,.simple-header h1{margin:0;color:#101126;font-size:30px;line-height:1.2;font-weight:800;letter-spacing:0}.hero-panel{position:relative;min-height:178px;overflow:hidden;border-radius:28px;background:#d8d1ff;box-shadow:0 18px 34px #695bd629;margin-bottom:14px}.hero-panel:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,#cfc6ffe6,#cfc6ffc2 42%,#cfc6ff1a 74%),linear-gradient(180deg,#ffffff0f,#6652da14)}.hero-panel img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;object-position:center;opacity:1}.hero-copy{position:relative;z-index:1;width:76%;padding:28px 20px}.hero-copy h2{margin:0 0 14px;color:#1c1c85;font-size:18px;line-height:1.35;font-weight:800}.hero-copy p{margin:8px 0 0;color:#25257d;font-size:14px;line-height:1.45;font-weight:600}.stats-panel{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;padding:16px 0;margin-bottom:18px;background:#fffffff5;border:1px solid rgba(225,224,246,.88);border-radius:16px;box-shadow:0 14px 30px #433c7617}.stat-item{min-width:0;display:grid;justify-items:center;gap:6px;padding:0 8px;border-right:1px solid #ecebfb;color:#5e617c;font-size:11px;line-height:1.2;text-align:center}.stat-item:last-child{border-right:0}.stat-item strong{max-width:100%;overflow:hidden;color:#121889;font-size:18px;line-height:1.1;font-weight:800;text-overflow:ellipsis;white-space:nowrap}.stat-item:last-child strong{font-size:14px}.stat-icon{display:grid;place-items:center;width:24px;height:24px;color:#9d96ff}.stat-icon svg{width:21px;height:21px;stroke-width:2}.progress-note{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;margin:-2px 2px 20px;color:#85889f;font-size:12px}.progress-note strong{color:#514ad9}.progress-track{height:7px;overflow:hidden;background:#ecebff;border-radius:999px}.progress-track div{height:100%;background:linear-gradient(90deg,#8472ee,#5e4ddd);border-radius:inherit;transition:width .22s ease}.section-title-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.section-title-row h2{margin:0;color:#121326;font-size:18px;font-weight:800}.text-button{border:0;background:transparent;color:#625bdd;font-size:13px;font-weight:800;display:inline-flex;align-items:center;gap:2px}.course-list,.flagged-list{display:grid;gap:10px}.course-row{width:100%;min-height:72px;display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:12px;padding:11px 12px;border:1px solid #e9e8f7;border-radius:18px;background:#fffffff2;box-shadow:0 10px 24px #443c6d0f;text-align:left;transition:transform .14s ease,box-shadow .14s ease,background .14s ease}.course-row:active,.flagged-card:active,.primary-action:active,.answer-action:active,.page-action:active,.outline-action:active{transform:translateY(1px) scale(.99)}.course-row.active{background:linear-gradient(135deg,#eeecff,#fff 72%);border-color:#d7d2ff;box-shadow:0 16px 26px #5b4ed521}.course-index{display:grid;place-items:center;width:36px;height:36px;color:#171a78;background:#f0efff;border-radius:10px;font-size:15px;font-weight:800}.course-info{min-width:0;display:grid;gap:5px}.course-info strong{overflow:hidden;color:#141627;font-size:14px;line-height:1.35;font-weight:700;text-overflow:ellipsis;white-space:nowrap}.course-info small{overflow:hidden;color:#6c6f88;font-size:12px;line-height:1.35;text-overflow:ellipsis;white-space:nowrap}.course-state{color:#4b47c9;display:inline-flex;align-items:center;gap:2px;font-size:12px;font-weight:700;white-space:nowrap}.topbar{position:sticky;top:0;z-index:4;display:grid;grid-template-columns:42px 1fr 42px;align-items:center;gap:10px;min-height:52px;margin:-10px -4px 18px;padding:0 2px;background:#f8f7ffd1;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-radius:0 0 22px 22px}.topbar.centered h1{text-align:center}.topbar h1{margin:0;overflow:hidden;color:#101126;font-size:19px;line-height:1.25;font-weight:750;text-overflow:ellipsis;white-space:nowrap}.back-button{display:grid;place-items:center;width:44px;height:44px;border:1px solid #ecebfb;border-radius:999px;color:#11133a;background:#ffffffed;box-shadow:0 10px 18px #56508a14}.lesson-hero{width:calc(100% + 10px);height:210px;object-fit:cover;object-position:center;display:block;margin:-4px -5px 14px;border-radius:28px}.reader-card{display:grid;grid-template-columns:32px 1fr;gap:14px;padding:22px 18px;margin-top:14px;border:1px solid #e8e6f6;border-radius:24px;background:#fffffff5;box-shadow:0 14px 28px #3f3a6c14}.reader-card-icon{display:grid;place-items:start center;padding-top:2px;color:#9188ff}.reader-card-icon svg{width:24px;height:24px;stroke-width:2.2}.reader-card-content h2{margin:0 0 12px;color:#17182b;font-size:21px;line-height:1.3;font-weight:750}.reader-card-content p,.reader-markdown .md-p,.reader-markdown .md-list li{margin:0;color:#444862;font-size:16px;line-height:1.82;font-weight:400}.knowledge-list{display:grid;gap:6px;margin:0;padding-left:18px;color:#444862}.knowledge-list li{font-size:13px;line-height:1.55}.reader-markdown .md-h1,.reader-markdown .md-h2,.reader-markdown .md-h3{margin:16px 0 8px;color:#17182b;font-size:17px;line-height:1.5;font-weight:700}.reader-markdown .md-list{margin:8px 0 0;padding-left:20px}.reader-markdown .md-code,.reader-markdown .md-math{margin:12px 0;padding:14px;border:1px solid #e6e4f6;border-radius:16px;background:#f9f8ff}.reader-footer{position:static;display:grid;grid-template-columns:1fr;gap:12px;padding:18px 0 4px;background:transparent}.knowledge-disclosure{display:grid;gap:14px}.disclosure-button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid #e4e2f7;border-radius:16px;color:#5148d2;background:#f7f5ff;font-size:14px;font-weight:750}.disclosure-button .expanded{transform:rotate(90deg)}.round-action,.answer-action,.outline-action,.page-action{border:0;font-weight:700;transition:transform .14s ease,opacity .14s ease}.round-action{height:52px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid #e4e2f7;border-radius:16px;color:#5c617e;background:#fff;font-size:15px;box-shadow:0 12px 22px #453f7114}.round-action.done{color:#4b47c9;background:#f0efff}.primary-action{min-height:54px;display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:0 18px;border:0;color:#fff;background:linear-gradient(135deg,#7867ed,#5f4bd8);border-radius:17px;box-shadow:0 12px 24px #5643d229;font-size:16px;font-weight:700;transition:transform .14s ease,opacity .14s ease}.primary-action span{display:grid;place-items:center;width:28px;height:28px;color:#5e4cdb;background:#fff;border-radius:999px}.primary-action:disabled{opacity:.52}.primary-action.compact{min-height:46px;margin-top:14px;font-size:14px}.question-card{padding:20px 16px 18px;border:1px solid #ebeaf8;border-radius:24px;background:#fffffff7;box-shadow:0 10px 22px #3f3a6c0e}.question-meta{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:24px;color:#6c708c;font-size:14px;line-height:1.35}.question-meta span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.question-meta strong{color:#11133a;font-size:20px;font-weight:750;white-space:nowrap}.question-stem{margin:0 0 28px;color:#121326;font-size:21px;line-height:1.55;font-weight:750}.question-groups{display:grid;gap:16px}.question-group h2{margin:0 0 12px;color:#4b4f68;font-size:17px;line-height:1.3;font-weight:700}.option-list{display:grid;gap:13px}.option-row{min-height:56px;width:100%;display:grid;grid-template-columns:32px 1fr;align-items:center;gap:12px;padding:12px 13px;border:1px solid #e4e3f2;border-radius:16px;background:#fff;color:#3c415e;text-align:left;box-shadow:none;transition:border-color .16s ease,background .16s ease,box-shadow .16s ease,transform .16s ease}.option-row span{display:grid;place-items:center;width:30px;height:30px;color:#4038bd;background:#f2f1ff;border-radius:10px;font-size:15px;font-weight:700}.option-row strong{color:#383d58;font-size:14.5px;line-height:1.45;font-weight:520}.option-row.selected{border-color:#8d83ee;background:#f3f1ff;box-shadow:0 0 0 3px #7060e21a,inset 0 1px #ffffffe6}.option-row.selected span{color:#fff;background:#6254de}.option-row.correct{border-color:#65b77b;background:#f0fbf3;box-shadow:0 0 0 3px #45b1631f}.option-row.correct span{color:#fff;background:#35a85a}.option-row.incorrect{border-color:#f09a78;background:#fff5f0;box-shadow:0 0 0 3px #f06f461f}.option-row.incorrect span{color:#fff;background:#ed6d3e}.question-toolbar{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:10px;margin-top:22px}.answer-action,.outline-action{min-height:56px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:18px;font-size:15px;white-space:nowrap}.answer-action{color:#fff;background:#6254de;box-shadow:0 12px 22px #5b4cd72e}.outline-action{border:1px solid #d9d7ea;color:#5b607b;background:#fff;box-shadow:0 8px 18px #413a710d}.outline-action.warn{border-color:#f4d0b1;color:#f07128;background:#fff8f3}.outline-action.active{color:#5d4bd7;border-color:#c9c3ff;background:#f0efff}.answer-panel{margin-top:14px;padding:18px;border:1px solid #dedbfa;border-radius:22px;background:#fff;box-shadow:0 12px 28px #564c9914}.answer-list{display:grid;gap:6px;margin-bottom:10px}.answer-list strong,.analysis-list h3{color:#4f45d5;font-size:15px;line-height:1.45}.answer-panel p,.analysis-list p{margin:0;color:#4b506b;font-size:15px;line-height:1.7;white-space:pre-wrap}.analysis-list{display:grid;gap:12px}.analysis-list article{padding:12px;border-radius:14px;background:#f8f7ff}.analysis-list h3{margin:0 0 6px}.pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}.page-action{min-height:58px;display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:18px;font-size:16px;font-weight:650}.page-action.prev{color:#545a7a;background:#fff;box-shadow:0 14px 28px #3f3a6c17}.page-action.next{color:#fff;background:#6254de;box-shadow:0 12px 22px #5643d22e}.page-action:disabled{opacity:.42}.gesture-hint{margin:18px 0 0;color:#969ab5;font-size:12px;text-align:center}.simple-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.simple-header span{color:#4f45d5;background:#f0efff;border-radius:999px;padding:8px 12px;font-size:12px;font-weight:900}.pill-row{display:flex;gap:8px;overflow:auto;padding-bottom:6px;margin-bottom:12px}.pill{min-width:42px;min-height:36px;border:1px solid #e5e3f5;border-radius:999px;color:#6b708d;background:#fff;font-size:13px;font-weight:800}.pill.active{color:#fff;background:#6656df;border-color:#6656df}.flagged-card{width:100%;display:grid;gap:7px;padding:15px;border:1px solid #e9e7f7;border-radius:16px;background:#fff;box-shadow:0 12px 24px #3f3a6c12;text-align:left}.flagged-card strong{color:#17182b;font-size:14px;line-height:1.45}.flagged-card span{color:#737792;font-size:12px}.empty-state{display:grid;justify-items:center;gap:10px;padding:42px 18px;border:1px dashed #d9d6f5;border-radius:20px;background:#ffffffdb;color:#747895;text-align:center;line-height:1.65}.empty-state strong{color:#191a2d;font-size:17px}.empty-state p{margin:0;font-size:13px}.empty-icon{display:grid;place-items:center;width:54px;height:54px;color:#7668e9;background:#f0efff;border-radius:18px}.bottom-nav{position:absolute;left:0;right:0;bottom:0;z-index:10;height:92px;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:10px 24px 14px;border-top:1px solid rgba(225,223,241,.92);border-radius:0;background:#fffffffa;box-shadow:0 -10px 26px #342f5e13;-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px)}.nav-btn{display:grid;place-items:center;gap:5px;border:0;border-radius:20px;color:#717691;background:transparent;font-size:13px;font-weight:650}.nav-btn.active{color:#5b4bd7;background:#f1efff}.toast{position:absolute;left:50%;bottom:102px;z-index:30;transform:translate(-50%);max-width:calc(100% - 48px);padding:10px 14px;border-radius:999px;color:#fff;background:#191a2deb;box-shadow:0 14px 24px #18192d38;font-size:13px;white-space:nowrap;pointer-events:none}.markdown-section .md-h1,.markdown-section .md-h2,.markdown-section .md-h3{color:#17182b}.markdown-section .md-p,.markdown-section .md-list li{color:#424760;font-size:14px;line-height:1.7}.md-inline-code,.md-inline-math{color:#5247d3;background:#f0efff;border-radius:7px;padding:0 4px}.app-shell{min-height:100dvh;display:flex;justify-content:center;align-items:flex-start;padding:0;background:#f6f4ff}.main{scrollbar-width:none}.main::-webkit-scrollbar{display:none}.home-title{padding:8px 0 16px}.home-title h1,.simple-header h1{font-size:26px;line-height:1.22;letter-spacing:-.4px;font-weight:800}.hero-panel{min-height:144px;border-radius:22px;margin-bottom:12px;box-shadow:0 12px 28px #5d4dd71f}.hero-copy{width:72%;padding:22px 18px}.hero-copy h2{font-size:16px;margin-bottom:10px}.hero-copy p{font-size:13px;line-height:1.45;margin-top:6px}.stats-panel{padding:14px 0;border-radius:18px;margin-bottom:14px;box-shadow:0 10px 24px #433c7612}.stat-item{font-size:10px;padding:0 6px}.stat-item:last-child strong{font-size:13px}.stat-icon{width:22px;height:22px}.progress-note{display:none}.section-title-row{margin:18px 0 10px}.section-title-row h2{font-size:19px}.text-button{display:none}.course-list{gap:10px}.course-row{min-height:66px;grid-template-columns:42px 1fr 20px;gap:10px;padding:10px 12px;border-radius:16px;box-shadow:0 8px 18px #443c6d0b}.course-index{width:38px;height:38px;border-radius:12px;font-size:15px}.course-info strong{font-size:14px;line-height:1.32}.course-info small{font-size:12px;line-height:1.35}.course-state{font-size:0}.course-state svg{width:18px;height:18px;color:#6b62d7}.topbar{position:relative;top:auto;min-height:44px;grid-template-columns:42px 1fr 42px;margin:0 0 14px;padding:0;background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none}.topbar h1{font-size:18px;font-weight:760;letter-spacing:-.2px}.back-button{width:40px;height:40px;border-radius:14px;color:#4138a7;box-shadow:0 8px 18px #56508a13}.lesson-hero{width:calc(100% + 8px);height:170px;margin:-6px -4px 12px;border-radius:22px}.reader-card{grid-template-columns:32px 1fr;gap:12px;padding:18px 16px;margin-top:12px;border-radius:20px;box-shadow:0 10px 22px #3f3a6c0f}.reader-card-content h2{font-size:18px;margin-bottom:8px}.reader-card-content p,.reader-markdown .md-p,.reader-markdown .md-list li{font-size:14px;line-height:1.72}.reader-markdown .md-list{margin-top:4px}.reader-footer{gap:10px;padding:14px 0 2px}.reader-footer .round-action{display:none}.round-action,.answer-action,.outline-action,.page-action{border-radius:18px;transition:transform .14s ease,background .14s ease,border-color .14s ease,opacity .14s ease}.question-chip{flex:0 0 auto;min-width:42px;height:40px;border:1px solid #e7e4f7;border-radius:13px;background:#fffffff0;color:#333752;font-size:14px;font-weight:750;box-shadow:0 6px 14px #3c346e0a}.question-chip.active{color:#fff;border-color:#6656df;background:linear-gradient(135deg,#8171f0,#5f4bd8);box-shadow:0 8px 16px #5f4bd82e}.question-meta{margin-bottom:18px;font-size:12px}.question-meta span{color:#5f55d8;background:#f0efff;padding:6px 9px;border-radius:9px;max-width:250px}.question-meta strong{font-size:16px;color:#5a51ca}.question-stem{margin-bottom:20px;font-size:18px;line-height:1.55;font-weight:750;letter-spacing:-.2px}.question-groups{gap:12px}.question-group h2{font-size:14px;margin-bottom:10px}.option-list{gap:11px}.question-toolbar{grid-template-columns:1.45fr .78fr .78fr;gap:10px;margin-top:16px}.answer-action,.outline-action{min-height:48px;border-radius:16px;font-size:13px;font-weight:700}.answer-action{background:linear-gradient(135deg,#7767ec,#5e4bd7);box-shadow:0 10px 18px #5b4cd726}.answer-action svg{width:18px;height:18px}.outline-action{box-shadow:none;border-color:#dedaf2;color:#3f4260;background:#ffffffd1}.outline-action svg{width:17px;height:17px}.outline-action.warn{color:#d96b32;border-color:#f6d8c2;background:#fff3eb}.outline-action.warn.active{color:#c85a25;border-color:#f0bf99;background:#ffe9db}.outline-action.active:not(.warn){color:#5d4bd7;border-color:#cbc5ff;background:#f1efff}.answer-panel{margin-top:12px;padding:16px;border-radius:18px;box-shadow:0 10px 22px #564c990f}.answer-list strong,.analysis-list h3{font-size:14px}.answer-panel p,.analysis-list p{font-size:14px;line-height:1.72}.page-action{min-height:52px;border-radius:18px;font-size:15px}.page-action.prev{border:1px solid #e5e2f5;color:#383c5d;box-shadow:0 8px 18px #3f3a6c0e}.page-action.next{background:linear-gradient(135deg,#7566ea,#5e4bd7);box-shadow:0 10px 18px #5643d229}.gesture-hint{margin-top:12px;font-size:11px}.nav-btn{border-radius:16px;font-size:12px}.nav-btn svg{width:22px;height:22px}@media (max-width: 520px){.screen{padding-top:max(24px,calc(env(safe-area-inset-top) + 16px));padding-bottom:calc(104px + env(safe-area-inset-bottom))}.reader-screen,.practice-screen{padding-bottom:max(24px,calc(env(safe-area-inset-bottom) + 18px))}.bottom-nav{height:calc(88px + env(safe-area-inset-bottom));padding-bottom:calc(14px + env(safe-area-inset-bottom))}}.app-shell{display:block;min-height:100dvh;padding:0;background:#f7f6ff}.home-title{padding:2px 4px 16px}.home-title h1,.simple-header h1{font-size:26px;line-height:1.16;letter-spacing:-.02em}.hero-panel{min-height:0;height:172px;border-radius:24px;box-shadow:0 14px 30px #695bd624;margin-bottom:14px}.hero-panel:after{background:linear-gradient(90deg,#d3cbff2e,#d3cbff05),linear-gradient(180deg,#ffffff05,#6652da0a)}.hero-panel.hero-only img{object-position:center}.hero-copy{display:none}.stats-panel{border-radius:20px;padding:14px 0}.stat-item{font-size:10.5px}.stat-item strong{font-size:18px}.course-row{min-height:68px;border-radius:18px;padding:10px 12px}.course-info strong{font-size:14px;line-height:1.28}.course-info small{font-size:11.5px;line-height:1.36}.topbar{position:static;min-height:44px;margin:0 0 14px;padding:0;background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none;border-radius:0}.topbar h1{font-size:18px;letter-spacing:-.01em}.back-button{width:40px;height:40px;border-radius:14px}.lesson-hero{width:100%;height:156px;margin:0 0 14px;border-radius:24px;object-fit:cover;object-position:center;box-shadow:0 14px 28px #695bd61f}.reader-card{display:block;padding:18px;margin-top:12px;border-radius:22px;box-shadow:0 12px 26px #3f3a6c13}.reader-card-title{display:flex;align-items:center;gap:12px;margin-bottom:12px}.reader-card-icon{flex:0 0 auto;display:grid;place-items:center;width:34px;height:34px;padding:0;border-radius:12px;color:#8577ef;background:#f1efff}.reader-card-icon svg{width:21px;height:21px;stroke-width:2.25}.reader-card-content h2,.reader-card-title h2{margin:0;color:#141628;font-size:18px;line-height:1.28;font-weight:780;letter-spacing:-.01em}.reader-summary,.reader-card-content p,.reader-markdown .md-p,.reader-markdown .md-list li{margin:0;color:#4b5068;font-size:14.5px;line-height:1.72;font-weight:420;text-align:left}.knowledge-highlights{display:grid;gap:10px}.knowledge-highlight{display:grid;grid-template-columns:26px 1fr;gap:10px;align-items:start;padding:12px;border-radius:16px;background:#faf9ff;border:1px solid #ece9fb}.knowledge-highlight>span{display:grid;place-items:center;width:24px;height:24px;border-radius:999px;background:#eeeaff;color:#6254de;font-size:12px;font-weight:800}.knowledge-highlight strong{display:block;margin-bottom:4px;color:#17182b;font-size:14.5px;line-height:1.38;font-weight:750}.knowledge-highlight p{margin:0;color:#666b84;font-size:12.5px;line-height:1.55}.reader-markdown .md-h1,.reader-markdown .md-h2,.reader-markdown .md-h3{margin:14px 0 6px;font-size:15.5px;line-height:1.45}.md-inline-code,.md-inline-math{padding:0;border-radius:0;color:#5148d2;background:transparent;font-weight:650}.reader-markdown .md-code,.reader-markdown .md-math,.markdown-section .md-code,.markdown-section .md-math{margin:12px 0;padding:14px 16px;border-radius:16px;border:1px solid #e7e4f8;background:#fbfaff;color:#24263d;font-size:13px;line-height:1.5;white-space:pre-wrap;overflow-x:auto}.question-picker{display:flex;gap:8px;overflow-x:auto;padding:10px;margin:0 0 14px;background:#efecffad;border:1px solid #ebe8fb;border-radius:20px;scrollbar-width:none}.question-picker::-webkit-scrollbar{display:none}.question-chip{flex:0 0 auto;min-width:42px;height:38px;border:1px solid #e3e0f4;border-radius:12px;color:#282c46;background:#fff;font-size:14px;font-weight:750;box-shadow:0 6px 14px #3f3a6c0d}.question-chip.active{color:#fff;border-color:#6758dd;background:#6758dd}.question-meta{margin-bottom:18px;font-size:12.5px}.question-meta strong{font-size:17px}.question-stem{margin-bottom:20px;font-size:18px;line-height:1.55;letter-spacing:-.01em}.option-list{gap:10px}.question-toolbar{grid-template-columns:1.4fr .68fr .78fr;gap:10px;margin-top:16px}.answer-action,.outline-action{min-height:48px;border-radius:16px;font-size:13.5px}.answer-action svg,.outline-action svg{width:18px;height:18px}.answer-action{background:linear-gradient(135deg,#7466e8,#5f50d9);box-shadow:0 10px 20px #5b4cd726}.outline-action.warn{border-color:#f4ded0;color:#dd6b2d;background:#fff5ee}.outline-action{border-color:#dddaf0;color:#4d526f}.pager{gap:12px;margin-top:18px}.page-action{min-height:52px;border-radius:17px;font-size:15px}.answer-panel{padding:16px;border-radius:20px}@media (max-width: 520px){.screen{padding-top:max(26px,calc(env(safe-area-inset-top) + 18px))}.reader-screen,.practice-screen{padding-bottom:max(26px,calc(env(safe-area-inset-bottom) + 18px))}.home-screen{padding-bottom:max(104px,calc(env(safe-area-inset-bottom) + 96px))}}.phone{--safe-top: max(44px, env(safe-area-inset-top));--safe-bottom: max(18px, env(safe-area-inset-bottom));--bottom-nav-height: calc(82px + var(--safe-bottom));--practice-dock-height: calc(152px + var(--safe-bottom));height:100%;min-height:0;max-height:100%}.app{position:relative;overflow:hidden}.app-safe-top{position:absolute;inset:0 0 auto;z-index:40;height:var(--safe-top);border-bottom:1px solid rgba(226,223,244,.72);background:#f8f7fffa;box-shadow:0 8px 20px #413a700b;-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);pointer-events:none}.app,.main{min-height:0}.main{position:absolute;inset:var(--safe-top) 0 0;height:auto;overflow:auto;overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch}.screen{min-height:100%;padding-top:18px;padding-bottom:28px}.home-screen,.flagged-screen{padding-bottom:calc(var(--bottom-nav-height) + 16px)}.home-screen{padding-top:18px}.home-screen .home-title{position:static;min-height:0;display:block;margin:0;padding:2px 4px 16px;background:transparent;border-bottom:0;border-radius:0;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}.reader-screen,.practice-screen{padding-top:18px}.practice-screen{padding-bottom:calc(var(--practice-dock-height) + 18px)}.reader-screen .topbar,.practice-screen .topbar{position:static;min-height:44px;margin:0 0 14px;padding:0;background:transparent;border-bottom:0;border-radius:0;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}.bottom-nav{position:fixed;left:50%;right:auto;bottom:0;z-index:22;width:min(430px,100%);transform:translate(-50%);height:var(--bottom-nav-height);padding:10px 24px calc(var(--safe-bottom) + 8px);background:#fffffffa}.practice-actions-dock{position:fixed;left:50%;bottom:0;z-index:22;width:min(430px,100%);transform:translate(-50%);display:grid;gap:10px;padding:10px 18px calc(var(--safe-bottom) + 8px);border-top:1px solid rgba(225,223,241,.92);background:#fffffffa;box-shadow:0 -12px 30px #342f5e14;-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px)}.practice-actions-dock .question-toolbar,.practice-actions-dock .pager{margin-top:0}.practice-actions-dock .gesture-hint{margin:-2px 0 0}.reader-markdown>*+*{margin-top:10px}.reader-markdown .md-p+.md-list,.reader-markdown .md-list+.md-p,.reader-markdown .md-code+.md-p,.reader-markdown .md-p+.md-code{margin-top:12px}.reader-markdown strong{color:#20234a;font-weight:760}.reader-markdown .md-h4{margin:14px 0 6px;color:#5b50d8;font-size:14px;line-height:1.35;font-weight:780}.reader-markdown .md-callout{margin:12px 0;padding:12px 14px;border:1px solid #dedafe;border-left:4px solid #6a5be7;border-radius:14px;color:#343850;background:linear-gradient(135deg,#f6f4ff,#fff);box-shadow:0 8px 18px #564c990f;font-size:14px;line-height:1.68}.reader-markdown .md-callout strong{color:#5748d6}.reader-markdown .md-choice-list{display:grid;gap:8px;margin:12px 0}.reader-markdown .md-choice-row{display:grid;grid-template-columns:30px 1fr;gap:10px;align-items:start;padding:10px 12px;border:1px solid #e6e2f6;border-radius:14px;background:#fff}.reader-markdown .md-choice-row>span{display:grid;place-items:center;width:28px;height:28px;border-radius:10px;color:#5146d4;background:#f0edff;font-size:13px;font-weight:800}.reader-markdown .md-choice-row p{margin:2px 0 0;color:#3f445d;font-size:14.5px;line-height:1.55;font-weight:520}.reader-markdown .md-table{display:grid;gap:9px;margin:12px 0}.reader-markdown .md-table-row{display:grid;gap:8px;padding:12px;border:1px solid #e6e2f6;border-radius:16px;background:#fff;box-shadow:0 7px 14px #3f3a6c0a}.reader-markdown .md-table-cell{display:grid;grid-template-columns:minmax(106px,.42fr) 1fr;gap:10px;align-items:start}.reader-markdown .md-table-cell>span{color:#675be0;font-size:12px;line-height:1.45;font-weight:780;white-space:nowrap}.reader-markdown .md-table-cell>p{margin:0;color:#3e435b;font-size:13.5px;line-height:1.55;font-weight:520}.reader-markdown .md-table-cell+.md-table-cell{padding-top:8px;border-top:1px solid #f0eef9}.reader-markdown .md-list{display:grid;gap:7px;padding-left:18px}.reader-markdown .md-list li::marker{color:#6a5be7;font-weight:800}.reader-markdown .md-code,.reader-markdown .md-math{font-size:12.5px;line-height:1.65}.reader-markdown .md-math,.markdown-section .md-math{display:block;padding:14px 12px;color:#222544;text-align:center;white-space:nowrap}.reader-markdown .md-math{overflow-x:auto;scrollbar-width:none}.reader-markdown .md-math::-webkit-scrollbar{display:none}.md-inline-math{color:inherit;background:transparent;font-weight:inherit;white-space:nowrap}.md-inline-math .katex{font-size:1em}.reader-markdown .md-math .katex{font-size:1.08em}.reader-subcards{display:grid;gap:12px}.reader-subcard{padding:14px;border:1px solid #ebe8fb;border-radius:18px;background:linear-gradient(180deg,#fff,#fbfaff);box-shadow:0 8px 18px #3f3a6c0e}.reader-subcard h3{margin:0 0 10px;color:#17182b;font-size:15.5px;line-height:1.38;font-weight:790}.reader-subcard .reader-markdown .md-h4{display:inline-flex;align-items:center;min-height:24px;margin:12px 0 4px;padding:3px 9px;border-radius:999px;color:#584bd7;background:#f0edff;font-size:12.5px;line-height:1.35;font-weight:760}.reader-subcard .reader-markdown .md-callout{margin:10px 0;border-color:#dedafe;border-left-color:#6a5be7;background:#f7f5ff}.reader-subcard .reader-markdown .md-list{gap:6px}.practice-guide .reader-subcard{background:#fff}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.17.0"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}:root{--bg: #f4f3ff;--phone: #fbfbff;--card: #ffffff;--text: #111326;--muted: #747895;--line: #e8e6f6;--accent: #5d4bd7;--accent-2: #f0efff;--green: #3f7d58;--red: #c75252;--yellow: #c58a2a;--shadow: 0 18px 45px rgba(66, 58, 126, .14);--radius: 20px;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,SF Pro Display,PingFang SC,Hiragino Sans GB,Helvetica Neue,Arial,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html,body,#root{width:100%;height:100%;min-width:320px;min-height:100%;overflow:hidden}body{position:fixed;top:0;right:0;bottom:0;left:0;margin:0;background:radial-gradient(circle at 18% 12%,rgba(140,122,246,.18),transparent 30%),radial-gradient(circle at 82% 72%,rgba(123,169,255,.14),transparent 30%),var(--bg)}button,input{font:inherit}button{cursor:pointer}