@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-cyrillic-ext-wght-normal-DjL33-gN.woff2) format("woff2-variations");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-cyrillic-wght-normal-BEAKL7Jp.woff2) format("woff2-variations");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-vietnamese-wght-normal-6IgcOCM7.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-latin-ext-wght-normal-DC-KSUi6.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-latin-wght-normal-BgDaEnEv.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Geist Mono Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-mono-cyrillic-ext-wght-normal-X_5orZeX.woff2) format("woff2-variations");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Geist Mono Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-mono-cyrillic-wght-normal-DiZS0aHC.woff2) format("woff2-variations");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Geist Mono Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-mono-symbols2-wght-normal-CO5SzqOn.woff2) format("woff2-variations");unicode-range:U+2000-2001,U+2004-2008,U+200A,U+23B8-23BD,U+2500-259F}@font-face{font-family:Geist Mono Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-mono-vietnamese-wght-normal-DadHysG0.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Geist Mono Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-mono-latin-ext-wght-normal-Bwz-egvJ.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Geist Mono Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-mono-latin-wght-normal-XN7g48iV.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{color-scheme:light;--bg: #f4f4f5;--surface: #ffffff;--surface-raised: #ffffff;--border: #e3e3df;--border-strong: #8c8c86;--text: #1a1a19;--text-muted: #62625d;--text-subtle: #686863;--accent: #1a1a19;--accent-hover: #3a3a37;--on-accent: #ffffff;--accent-soft: #e9e9e5;--focus: #1a1a19;--success: #1e7a4c;--success-soft: #e5f3eb;--warning: #9a5b00;--warning-soft: #fdf1d9;--danger: #c4362d;--danger-soft: #fbe8e4;--ev-lecture: #e9effc;--ev-lecture-text: #1e3a8a;--ev-lecture-mark: #3d6fdb;--ev-practice: #e5f3eb;--ev-practice-text: #145a36;--ev-practice-mark: #2c8657;--ev-lab: #f1ebfa;--ev-lab-text: #4b2a8c;--ev-lab-mark: #8656cc;--ev-exam: #fbe8e4;--ev-exam-text: #8e2418;--ev-exam-mark: #d23f2e;--ev-override: #fdf1d9;--ev-override-text: #6e4500;--ev-override-mark: #c27a00;--ev-own: #fae7f1;--ev-own-text: #8a1f5c;--ev-own-mark: #c23a86;--scrim: #0b0b0c59;--qr-plate: #ffffff;--radius-control: 6px;--radius-card: 8px;--radius-overlay: 10px;--font-sans: "Geist Variable", system-ui, sans-serif;--font-mono: "Geist Mono Variable", ui-monospace, monospace;--type-display: 600 40px/48px var(--font-sans);--type-h1: 600 20px/28px var(--font-sans);--type-h2: 600 16px/24px var(--font-sans);--type-h3: 600 14px/20px var(--font-sans);--type-lead: 400 16px/24px var(--font-sans);--type-body: 400 14px/20px var(--font-sans);--type-body-strong: 500 14px/20px var(--font-sans);--type-small: 400 13px/18px var(--font-sans);--type-small-strong: 500 13px/18px var(--font-sans);--type-caption: 400 12px/16px var(--font-sans);--type-label: 500 12px/16px var(--font-sans);--type-overline: 500 11px/16px var(--font-sans);--type-mono: 400 13px/20px var(--font-mono);--type-mono-small: 400 12px/16px var(--font-mono);--type-kbd: 500 11px/16px var(--font-mono);--type-num: 500 12px/16px var(--font-mono);--type-button: 500 13px/16px var(--font-sans);--type-big-num: 600 28px/32px var(--font-sans);--type-logo: 600 14px/20px var(--font-sans)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg: #111112;--surface: #18181a;--surface-raised: #202022;--border: #2a2a2d;--border-strong: #6e6e73;--text: #ededec;--text-muted: #9d9da3;--text-subtle: #929296;--accent: #ededec;--accent-hover: #d4d4d2;--on-accent: #111112;--accent-soft: #2a2a2e;--focus: #ededec;--success: #4cc38a;--success-soft: #18291f;--warning: #f0a63a;--warning-soft: #302612;--danger: #ff7369;--danger-soft: #33201d;--ev-lecture: #1c2538;--ev-lecture-text: #c6d4ff;--ev-lecture-mark: #6e95f0;--ev-practice: #18291f;--ev-practice-text: #b5ebcb;--ev-practice-mark: #4fb883;--ev-lab: #261f36;--ev-lab-text: #d9ccff;--ev-lab-mark: #a585e6;--ev-exam: #33201d;--ev-exam-text: #ffc9c0;--ev-exam-mark: #f0715f;--ev-override: #302612;--ev-override-text: #ffdda0;--ev-override-mark: #e8a53a;--ev-own: #331c2a;--ev-own-text: #ffc4e1;--ev-own-mark: #e46aae;--scrim: #000000a6;--qr-plate: #ffffff}}:root[data-theme=dark]{color-scheme:dark;--bg: #111112;--surface: #18181a;--surface-raised: #202022;--border: #2a2a2d;--border-strong: #6e6e73;--text: #ededec;--text-muted: #9d9da3;--text-subtle: #929296;--accent: #ededec;--accent-hover: #d4d4d2;--on-accent: #111112;--accent-soft: #2a2a2e;--focus: #ededec;--success: #4cc38a;--success-soft: #18291f;--warning: #f0a63a;--warning-soft: #302612;--danger: #ff7369;--danger-soft: #33201d;--ev-lecture: #1c2538;--ev-lecture-text: #c6d4ff;--ev-lecture-mark: #6e95f0;--ev-practice: #18291f;--ev-practice-text: #b5ebcb;--ev-practice-mark: #4fb883;--ev-lab: #261f36;--ev-lab-text: #d9ccff;--ev-lab-mark: #a585e6;--ev-exam: #33201d;--ev-exam-text: #ffc9c0;--ev-exam-mark: #f0715f;--ev-override: #302612;--ev-override-text: #ffdda0;--ev-override-mark: #e8a53a;--ev-own: #331c2a;--ev-own-text: #ffc4e1;--ev-own-mark: #e46aae;--scrim: #000000a6;--qr-plate: #ffffff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:var(--type-body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,p,pre{margin:0}:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.top{border-bottom:1px solid var(--border)}.top__inner,.page,.foot__inner{max-width:1072px;margin:0 auto;padding:0 16px}.top__inner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px}.logo{display:flex;align-items:center;gap:8px;font:var(--type-logo);letter-spacing:-.01em}.logo__mark{display:grid;place-items:center;width:24px;height:24px;border-radius:var(--radius-control);background:var(--accent);color:var(--on-accent)}.theme{display:flex;gap:2px;margin:0;padding:2px;border:1px solid var(--border);border-radius:var(--radius-control);background:var(--bg)}.theme__option{position:relative;display:flex}.theme__input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}.theme__face{display:flex;align-items:center;gap:6px;height:22px;padding:0 6px;border:1px solid transparent;border-radius:4px;color:var(--text-muted);font:var(--type-small)}.theme__input:checked+.theme__face{border-color:var(--border);background:var(--surface-raised);color:var(--text);font:var(--type-small-strong)}.theme__input:focus+.theme__face{outline:2px solid var(--focus);outline-offset:2px}.theme__input:focus:not(:focus-visible)+.theme__face{outline:none}.page{display:grid;gap:32px;padding-top:24px;padding-bottom:48px}.hero{display:grid;gap:12px;justify-items:start}.hero h1{font:600 30px/36px var(--font-sans);letter-spacing:-.02em}.hero__lead{max-width:600px;color:var(--text-muted);font:var(--type-lead)}.status{display:grid;gap:4px;max-width:100%;margin-top:2px;padding:12px 16px 12px 14px;border:1px solid var(--border);border-radius:var(--radius-card);background:var(--surface)}.status__main{display:flex;align-items:center;gap:8px;font:var(--type-body-strong)}.status__main:before{content:"";flex:none;width:8px;height:8px;margin:4px;border-radius:50%;background:var(--border-strong)}.status--ready .status__main:before{background:var(--success)}.status--empty .status__main:before{background:var(--warning)}.status__more{padding-left:24px;color:var(--text-muted);font:var(--type-small)}.banner{display:flex;gap:10px;max-width:100%;margin-top:2px;padding:10px 12px;border-radius:var(--radius-card);background:var(--danger-soft)}.banner__icon{flex:none;margin-top:2px;color:var(--danger)}.banner__title{font:var(--type-body-strong)}.banner__text{margin-top:2px;color:var(--text-muted);font:var(--type-small)}.section{display:grid;gap:16px}.section__title{font:var(--type-h2);letter-spacing:-.005em}.subscribe__columns{display:grid;gap:24px;align-items:start}.ways{display:grid;gap:12px}.card{border:1px solid var(--border);border-radius:var(--radius-card);background:var(--surface)}.way{display:grid;grid-template-columns:36px minmax(0,1fr);gap:14px 12px;padding:16px}.way--primary{border-color:var(--border-strong)}.way__head h3{font:var(--type-h2);letter-spacing:-.005em}.way__head p{margin-top:2px;color:var(--text-muted);font:var(--type-small)}.way__actions{display:grid;grid-column:1 / -1;gap:8px;justify-items:start}.way__actions .button--primary{width:100%;height:52px}.tile{display:grid;place-items:center;width:36px;height:36px;border-radius:var(--radius-card);background:var(--accent-soft);color:var(--text)}.tile--accent{background:var(--accent);color:var(--on-accent)}.hint{color:var(--text-muted);font:var(--type-small)}.hint--note{display:flex;gap:6px;font:var(--type-caption)}.hint--note svg{flex:none;margin-top:1px}.button{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:44px;padding:0 16px;border:1px solid var(--border);border-radius:var(--radius-control);background:var(--surface-raised);color:var(--text);font:var(--type-body-strong);text-decoration:none;cursor:pointer}.button--primary{border-color:var(--accent);background:var(--accent);color:var(--on-accent)}.button--primary:hover{border-color:var(--accent-hover);background:var(--accent-hover)}.button--ghost{flex:none;height:28px;padding:0 10px;border-color:transparent;background:transparent;font:var(--type-button)}.button--ghost:hover{background:var(--accent-soft)}.code{display:flex;align-items:flex-start;gap:8px;width:100%;padding:6px 6px 6px 12px;border:1px solid var(--border);border-radius:var(--radius-control);background:var(--bg)}.code__text{flex:1;min-width:0;padding:4px 0;font:var(--type-mono);white-space:pre-wrap;word-break:break-all}.notice{padding:20px;color:var(--text-muted)}.more>.way{margin-top:12px}.more__summary,.faq__summary,.agent__head--ready{list-style:none;cursor:pointer}.more__summary::-webkit-details-marker,.faq__summary::-webkit-details-marker{display:none}.more__summary{display:flex;align-items:center;gap:12px;padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius-card)}.more__text{display:grid;flex:1;gap:2px;font:var(--type-body-strong)}.more__text span{color:var(--text-muted);font:var(--type-small)}.chevron{flex:none;color:var(--text-muted);transition:transform .15s ease}details[open]>summary .chevron,[aria-expanded=true] .chevron{transform:rotate(180deg)}.faq__item:not([open]) .chevron{transform:rotate(-90deg)}.faq__item[open] .chevron{transform:none}.qr{display:grid;justify-items:center;gap:16px;padding:28px 24px;text-align:center}.qr__plate{padding:2px;border:1px solid var(--border);border-radius:var(--radius-card);background:var(--qr-plate)}.qr__image{display:block;width:216px;height:216px}.qr__host{display:flex;align-items:center;gap:6px;color:var(--text-muted);font:var(--type-mono-small)}.faq__item{padding:14px}.faq__summary{display:flex;align-items:center;gap:12px;font:var(--type-body-strong)}.faq__summary span{flex:1}.faq__answer{max-width:760px;margin-top:6px;color:var(--text-muted)}.agent{padding:16px}.agent__head{display:grid;grid-template-columns:36px minmax(0,1fr) auto;align-items:center;column-gap:12px}.agent__head .tile{grid-row:span 2}.agent__head h2{font:var(--type-body-strong)}.agent__lead{grid-column:2;margin-top:2px;color:var(--text-muted);font:var(--type-small)}.agent__toggle{grid-row:1 / span 2;grid-column:3}.agent__body[hidden]{display:none}.agent__body{display:grid;gap:16px;margin-top:20px}.agent__piece{display:grid;grid-template-rows:auto 1fr;gap:6px}.agent__piece h3{font:var(--type-label)}.foot{border-top:1px solid var(--border)}.foot__inner{padding-top:20px;padding-bottom:40px}.foot p{max-width:560px;color:var(--text-muted);font:var(--type-small)}@media(max-width:767px){.theme__face{padding:0 5px}.theme__label,.agent__toggle-text,.subscribe .section__title{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}}@media(min-width:768px){.top__inner{min-height:56px}.theme__face{padding:0 8px}.page{gap:56px;padding-top:56px;padding-bottom:72px}.hero{gap:16px}.hero h1{font:var(--type-display)}.status,.banner{margin-top:8px}.subscribe__columns{grid-template-columns:minmax(0,1fr) 328px}.way{gap:14px 16px;padding:20px}.way__head p{margin-top:4px;font:var(--type-body)}.way__actions{grid-column:2}.way__actions .button--primary{width:auto;height:44px}.faq__item{padding:14px 20px}.faq__item+.faq__item{border-top:1px solid var(--border)}.agent{padding:24px}.agent__head{align-items:start;column-gap:16px}.agent__head h2{font:var(--type-h2);letter-spacing:-.005em}.agent__lead{max-width:640px;margin-top:4px;font:var(--type-body)}.agent__body{grid-template-columns:repeat(2,minmax(0,1fr))}.agent__piece--wide{grid-column:1 / -1}.foot__inner{padding-top:24px}}