@font-face{font-family:Lora Variable;font-style:normal;font-display:swap;font-weight:400 700;src:url(/_astro/lora-cyrillic-ext-wght-normal.YcVxMP-u.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Lora Variable;font-style:normal;font-display:swap;font-weight:400 700;src:url(/_astro/lora-cyrillic-wght-normal.UWPuZLjM.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Lora Variable;font-style:normal;font-display:swap;font-weight:400 700;src:url(/_astro/lora-math-wght-normal.sOy7rEfW.woff2)format("woff2-variations");unicode-range:U+302-303,U+305,U+307-308,U+310,U+312,U+315,U+31A,U+326-327,U+32C,U+32F-330,U+332-333,U+338,U+33A,U+346,U+34D,U+391-3A1,U+3A3-3A9,U+3B1-3C9,U+3D1,U+3D5-3D6,U+3F0-3F1,U+3F4-3F5,U+2016-2017,U+2034-2038,U+203C,U+2040,U+2043,U+2047,U+2050,U+2057,U+205F,U+2070-2071,U+2074-208E,U+2090-209C,U+20D0-20DC,U+20E1,U+20E5-20EF,U+2100-2112,U+2114-2115,U+2117-2121,U+2123-214F,U+2190,U+2192,U+2194-21AE,U+21B0-21E5,U+21F1-21F2,U+21F4-2211,U+2213-2214,U+2216-22FF,U+2308-230B,U+2310,U+2319,U+231C-2321,U+2336-237A,U+237C,U+2395,U+239B-23B7,U+23D0,U+23DC-23E1,U+2474-2475,U+25AF,U+25B3,U+25B7,U+25BD,U+25C1,U+25CA,U+25CC,U+25FB,U+266D-266F,U+27C0-27FF,U+2900-2AFF,U+2B0E-2B11,U+2B30-2B4C,U+2BFE,U+3030,U+FF5B,U+FF5D,U+1D400-1D7FF,U+1EE??}@font-face{font-family:Lora Variable;font-style:normal;font-display:swap;font-weight:400 700;src:url(/_astro/lora-symbols-wght-normal.DQ5VrUkH.woff2)format("woff2-variations");unicode-range:U+1-C,U+E-1F,U+7F-9F,U+20DD-20E0,U+20E2-20E4,U+2150-218F,U+2190,U+2192,U+2194-2199,U+21AF,U+21E6-21F0,U+21F3,U+2218-2219,U+2299,U+22C4-22C6,U+2300-243F,U+2440-244A,U+2460-24FF,U+25A0-27BF,U+28??,U+2921-2922,U+2981,U+29BF,U+29EB,U+2B??,U+4DC0-4DFF,U+FFF9-FFFB,U+10140-1018E,U+10190-1019C,U+101A0,U+101D0-101FD,U+102E0-102FB,U+10E60-10E7E,U+1D2C0-1D2D3,U+1D2E0-1D37F,U+1F0??,U+1F100-1F1AD,U+1F1E6-1F1FF,U+1F30D-1F30F,U+1F315,U+1F31C,U+1F31E,U+1F320-1F32C,U+1F336,U+1F378,U+1F37D,U+1F382,U+1F393-1F39F,U+1F3A7-1F3A8,U+1F3AC-1F3AF,U+1F3C2,U+1F3C4-1F3C6,U+1F3CA-1F3CE,U+1F3D4-1F3E0,U+1F3ED,U+1F3F1-1F3F3,U+1F3F5-1F3F7,U+1F408,U+1F415,U+1F41F,U+1F426,U+1F43F,U+1F441-1F442,U+1F444,U+1F446-1F449,U+1F44C-1F44E,U+1F453,U+1F46A,U+1F47D,U+1F4A3,U+1F4B0,U+1F4B3,U+1F4B9,U+1F4BB,U+1F4BF,U+1F4C8-1F4CB,U+1F4D6,U+1F4DA,U+1F4DF,U+1F4E3-1F4E6,U+1F4EA-1F4ED,U+1F4F7,U+1F4F9-1F4FB,U+1F4FD-1F4FE,U+1F503,U+1F507-1F50B,U+1F50D,U+1F512-1F513,U+1F53E-1F54A,U+1F54F-1F5FA,U+1F610,U+1F650-1F67F,U+1F687,U+1F68D,U+1F691,U+1F694,U+1F698,U+1F6AD,U+1F6B2,U+1F6B9-1F6BA,U+1F6BC,U+1F6C6-1F6CF,U+1F6D3-1F6D7,U+1F6E0-1F6EA,U+1F6F0-1F6F3,U+1F6F7-1F6FC,U+1F7??,U+1F800-1F80B,U+1F810-1F847,U+1F850-1F859,U+1F860-1F887,U+1F890-1F8AD,U+1F8B0-1F8BB,U+1F8C0-1F8C1,U+1F900-1F90B,U+1F93B,U+1F946,U+1F984,U+1F996,U+1F9E9,U+1FA00-1FA6F,U+1FA70-1FA7C,U+1FA80-1FA89,U+1FA8F-1FAC6,U+1FACE-1FADC,U+1FADF-1FAE9,U+1FAF0-1FAF8,U+1FB??}@font-face{font-family:Lora Variable;font-style:normal;font-display:swap;font-weight:400 700;src:url(/_astro/lora-vietnamese-wght-normal.CfJ7gtf3.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Lora Variable;font-style:normal;font-display:swap;font-weight:400 700;src:url(/_astro/lora-latin-ext-wght-normal.C2Wlntb9.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,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:Lora Variable;font-style:normal;font-display:swap;font-weight:400 700;src:url(/_astro/lora-latin-wght-normal.BiLcIKcI.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/be-vietnam-pro-vietnamese-400-normal.CRcqvyg1.woff2)format("woff2"),url(/_astro/be-vietnam-pro-vietnamese-400-normal.BuGn0gnm.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/be-vietnam-pro-latin-ext-400-normal.CiZNW1ec.woff2)format("woff2"),url(/_astro/be-vietnam-pro-latin-ext-400-normal.DYBYyMQr.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,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:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/be-vietnam-pro-latin-400-normal.PpnXBOrz.woff2)format("woff2"),url(/_astro/be-vietnam-pro-latin-400-normal.bXgqVju9.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/be-vietnam-pro-vietnamese-500-normal.DREgrEoJ.woff2)format("woff2"),url(/_astro/be-vietnam-pro-vietnamese-500-normal.CfdwVo8-.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/be-vietnam-pro-latin-ext-500-normal.h0Fp6aX0.woff2)format("woff2"),url(/_astro/be-vietnam-pro-latin-ext-500-normal.CK0UkkKf.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,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:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/be-vietnam-pro-latin-500-normal.B6LVzGNe.woff2)format("woff2"),url(/_astro/be-vietnam-pro-latin-500-normal.BJkVuMHw.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/be-vietnam-pro-vietnamese-600-normal.nyU-ZL2p.woff2)format("woff2"),url(/_astro/be-vietnam-pro-vietnamese-600-normal.DkpCIyan.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/be-vietnam-pro-latin-ext-600-normal.BNd8euf0.woff2)format("woff2"),url(/_astro/be-vietnam-pro-latin-ext-600-normal.BeUwKxhG.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,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:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/be-vietnam-pro-latin-600-normal.BZDkUTrt.woff2)format("woff2"),url(/_astro/be-vietnam-pro-latin-600-normal.5IO4e7bK.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{color-scheme:dark;--bg:#050d12;--surface:#0a1a22;--surface-2:#0b2733;--ink:#f2f4f1;--ink-2:#cfdcdc;--muted:#9fb4bc;--line:#17323d;--accent:#8de9be;--accent-ink:#04201a;--accent-soft:#8de9be14;--link-hover:#8de9be;--kicker-color:#8de9be;--teal:#12a5ae;--navy-glow:#1c4e8a;--font-head:"Lora Variable", Georgia, serif;--font-body:"Be Vietnam Pro", system-ui, sans-serif;--head-weight:600;--head-tracking:-.015em;--rule:1px solid #12262f;--radius:20px;--card-border:1px solid #17323d;--card-shadow:none;--btn-border:1px solid transparent;--btn-shadow:0 10px 30px #8de9be2e;--input-border:1px solid #17323d;--shot-border:1px solid #1d3b48;--shot-shadow:0 30px 80px #12a5ae38;--answer-border:1px solid #8de9be;--answer-shadow:none;--nav-current-border:0;--placeholder-border:1px dashed #1d3b48}body{background:radial-gradient(900px 520px at 85% -120px, #12a5ae38, transparent 70%), radial-gradient(800px 600px at -10% 10%, #1c4e8a47, transparent 70%), var(--bg);background-repeat:no-repeat}.btn{border-radius:999px}.btn-ghost{background:0 0;border-color:#2a4b57}.btn-store{background:var(--accent);color:var(--accent-ink)}.lang-link{color:var(--ink-2);font-size:14px;font-weight:600;text-decoration:none}.site-header{backdrop-filter:blur(10px)}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--ink);font-family:var(--font-body);margin:0;font-size:17px;line-height:1.65}img{max-width:100%;height:auto}a{color:var(--ink);text-underline-offset:3px}a:hover{color:var(--link-hover)}h1,h2,h3{font-family:var(--font-head);font-weight:var(--head-weight);letter-spacing:var(--head-tracking);line-height:1.1}.wrap{width:min(100%,1180px);margin:0 auto;padding-inline:24px}.skip{position:absolute;left:-9999px}.skip:focus{z-index:10;background:var(--surface);padding:8px 12px;top:12px;left:16px}.site-header{border-bottom:var(--rule)}.nav{flex-wrap:wrap;align-items:center;gap:12px 28px;padding-block:14px;display:flex}.brand{font-family:var(--font-head);letter-spacing:-.02em;align-items:center;gap:10px;font-size:20px;font-weight:800;text-decoration:none;display:flex}.brand img{border-radius:9px;width:34px;height:34px}.nav-links{flex-wrap:wrap;gap:4px 22px;font-size:15px;font-weight:600;display:flex}.nav-links a{color:var(--ink-2);text-decoration:none}.nav-links a[aria-current=page]{color:var(--ink);text-underline-offset:6px;text-decoration:underline 2px}.nav-actions{flex:160px;justify-content:flex-end;align-items:center;gap:12px;display:flex}.search{background:var(--surface);border:var(--input-border);min-width:0;color:var(--muted);border-radius:10px;flex:0 220px;align-items:center;gap:8px;padding:8px 12px;display:flex}.search input{width:100%;min-width:0;color:var(--ink);font:inherit;background:0 0;border:0;outline:none;font-size:14px}.btn{border:var(--btn-border);border-radius:12px;padding:13px 22px;font-weight:700;text-decoration:none;display:inline-block}.btn-primary{background:var(--accent);color:var(--accent-ink);box-shadow:var(--btn-shadow)}.btn-primary:hover{color:var(--accent-ink);filter:brightness(1.06)}.btn-ghost{background:var(--surface);color:var(--ink)}.btn-store{background:var(--ink);color:var(--bg);border:0;padding:9px 15px;font-size:14px}.btn-store:hover{color:var(--bg)}.section{padding-block:56px 16px}.section-head{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:12px;margin-bottom:26px;display:flex}.section-head h2{margin:0;font-size:clamp(26px,3.4vw,36px)}.kicker{font-family:var(--font-head);letter-spacing:.12em;text-transform:uppercase;color:var(--kicker-color);margin:0 0 10px;font-size:13px;font-weight:800}.card{background:var(--surface);border:var(--card-border);border-radius:var(--radius);box-shadow:var(--card-shadow);padding:22px}.grid-cards{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px;display:grid}.topic-card h3{margin:0 0 4px;font-size:19px}.topic-card p{color:var(--muted);margin:0 0 12px;font-size:15px}.topic-card ul{gap:8px;margin:0;padding:0;font-size:15px;font-weight:600;list-style:none;display:grid}.muted{color:var(--muted)}.hero{flex-wrap:wrap;align-items:center;gap:48px;padding-block:64px 32px;display:flex}.hero-text{flex:999 520px;min-width:0}.hero h1{margin:0;font-size:clamp(38px,5.4vw,66px);line-height:1.03}.hero .lede{max-width:580px;color:var(--ink-2);margin:22px 0 0;font-size:19px}.hero .ctas{flex-wrap:wrap;gap:12px;margin-top:30px;display:flex}.hero .fine{color:var(--muted);margin:16px 0 0;font-size:14px}.hero-media{flex:300px;justify-content:center;display:flex}.hero-media img{border:var(--shot-border);width:320px;box-shadow:var(--shot-shadow);border-radius:26px}.guide-layout{flex-wrap:wrap;align-items:flex-start;gap:40px;padding-block:32px 64px;display:flex}.guide-nav{flex:220px;order:-1;max-width:260px;font-size:14px}.guide-nav h2{font-family:var(--font-head);letter-spacing:.1em;text-transform:uppercase;color:var(--kicker-color);margin:0 0 8px;font-size:12px}.guide-nav ul{gap:2px;margin:0 0 22px;padding:0;font-weight:600;list-style:none;display:grid}.guide-nav a{color:var(--ink-2);border-radius:9px;padding:6px 10px;text-decoration:none;display:block}.guide-nav a[aria-current=page]{color:var(--ink);background:var(--surface);border:var(--nav-current-border)}.guide{flex:999 560px;min-width:0;max-width:720px}.breadcrumb{color:var(--muted);flex-wrap:wrap;gap:8px;font-size:13px;font-weight:600;display:flex}.breadcrumb a{color:var(--muted)}.guide h1{margin:14px 0 12px;font-size:clamp(30px,4.2vw,46px)}.meta{color:var(--muted);margin:0 0 26px;font-size:14px}.answer{border:var(--answer-border);background:var(--accent-soft);box-shadow:var(--answer-shadow);border-radius:14px;margin-bottom:30px;padding:18px 22px}.answer p{margin:0}.answer .kicker{margin-bottom:4px;font-size:12px}.prose h2{margin:38px 0 10px;font-size:25px}.prose h3{margin:26px 0 8px;font-size:19px}.prose p,.prose ul,.prose ol{color:var(--ink-2);margin:0 0 16px}.prose li+li{margin-top:6px}.prose strong{color:var(--ink)}.prose figure{margin:0 0 20px}.prose figure img{border:var(--shot-border);border-radius:14px}.prose figcaption{color:var(--muted);margin-top:8px;font-size:13px}.prose .table-scroll{border:var(--card-border);background:var(--surface);border-radius:14px;margin:0 0 20px;overflow-x:auto}.prose table{border-collapse:collapse;width:100%;min-width:480px;font-size:15px}.prose th,.prose td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;padding:10px 14px}.prose th{background:var(--surface-2)}.prose blockquote{border-left:3px solid var(--accent);background:var(--surface);border-radius:0 12px 12px 0;margin:26px 0;padding:16px 20px}.prose blockquote p{margin:0}.toc{max-width:220px;color:var(--muted);flex:180px;font-size:13px}.toc h2{letter-spacing:.1em;text-transform:uppercase;margin:0 0 8px;font-size:12px}.toc ol{gap:6px;margin:0;padding-left:18px;display:grid}.toc a{color:var(--ink-2)}.author-line{border-top:1px solid var(--line);color:var(--muted);margin-top:36px;padding-top:16px;font-size:13px}.author-line a{color:var(--ink-2)}.site-footer{border-top:var(--rule);margin-top:48px}.footer-row{color:var(--muted);flex-wrap:wrap;gap:12px 28px;padding-block:26px 48px;font-size:14px;display:flex}.footer-row a{color:var(--ink-2)}@media (width<=960px){.guide-nav{order:2;max-width:none}.toc{display:none}}
