@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url(../media/2c55a0e60120577a-s.p.0-dom-5bn10r2.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url(../media/9c72aa0f40e4eef8-s.p.1y4-pdgsjb-pw.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url(../media/ad66f9afd8947f86-s.3lvt2whj97whp.woff2)format("woff2");unicode-range:U+1F??}@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url(../media/5476f68d60460930-s.2uwcyprjm3xu3.woff2)format("woff2");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url(../media/2bbe8d2671613f1f-s.0k62hbripvv8p.woff2)format("woff2");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:Inter;font-style:normal;font-weight:400;font-display:swap;src:url(../media/1bffadaabf893a1e-s.3-6t-g6q0vh0a.woff2)format("woff2");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:Inter;font-style:normal;font-weight:400;font-display:swap;src:url(../media/83afe278b6a6bb3c-s.p.2bn3s6zvc0dyp.woff2)format("woff2");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:Inter;font-style:normal;font-weight:500;font-display:swap;src:url(../media/2c55a0e60120577a-s.p.0-dom-5bn10r2.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-weight:500;font-display:swap;src:url(../media/9c72aa0f40e4eef8-s.p.1y4-pdgsjb-pw.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-weight:500;font-display:swap;src:url(../media/ad66f9afd8947f86-s.3lvt2whj97whp.woff2)format("woff2");unicode-range:U+1F??}@font-face{font-family:Inter;font-style:normal;font-weight:500;font-display:swap;src:url(../media/5476f68d60460930-s.2uwcyprjm3xu3.woff2)format("woff2");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter;font-style:normal;font-weight:500;font-display:swap;src:url(../media/2bbe8d2671613f1f-s.0k62hbripvv8p.woff2)format("woff2");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:Inter;font-style:normal;font-weight:500;font-display:swap;src:url(../media/1bffadaabf893a1e-s.3-6t-g6q0vh0a.woff2)format("woff2");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:Inter;font-style:normal;font-weight:500;font-display:swap;src:url(../media/83afe278b6a6bb3c-s.p.2bn3s6zvc0dyp.woff2)format("woff2");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:Inter;font-style:normal;font-weight:600;font-display:swap;src:url(../media/2c55a0e60120577a-s.p.0-dom-5bn10r2.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;src:url(../media/9c72aa0f40e4eef8-s.p.1y4-pdgsjb-pw.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;src:url(../media/ad66f9afd8947f86-s.3lvt2whj97whp.woff2)format("woff2");unicode-range:U+1F??}@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;src:url(../media/5476f68d60460930-s.2uwcyprjm3xu3.woff2)format("woff2");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;src:url(../media/2bbe8d2671613f1f-s.0k62hbripvv8p.woff2)format("woff2");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:Inter;font-style:normal;font-weight:600;font-display:swap;src:url(../media/1bffadaabf893a1e-s.3-6t-g6q0vh0a.woff2)format("woff2");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:Inter;font-style:normal;font-weight:600;font-display:swap;src:url(../media/83afe278b6a6bb3c-s.p.2bn3s6zvc0dyp.woff2)format("woff2");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:Inter;font-style:normal;font-weight:700;font-display:swap;src:url(../media/2c55a0e60120577a-s.p.0-dom-5bn10r2.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-weight:700;font-display:swap;src:url(../media/9c72aa0f40e4eef8-s.p.1y4-pdgsjb-pw.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-weight:700;font-display:swap;src:url(../media/ad66f9afd8947f86-s.3lvt2whj97whp.woff2)format("woff2");unicode-range:U+1F??}@font-face{font-family:Inter;font-style:normal;font-weight:700;font-display:swap;src:url(../media/5476f68d60460930-s.2uwcyprjm3xu3.woff2)format("woff2");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter;font-style:normal;font-weight:700;font-display:swap;src:url(../media/2bbe8d2671613f1f-s.0k62hbripvv8p.woff2)format("woff2");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:Inter;font-style:normal;font-weight:700;font-display:swap;src:url(../media/1bffadaabf893a1e-s.3-6t-g6q0vh0a.woff2)format("woff2");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:Inter;font-style:normal;font-weight:700;font-display:swap;src:url(../media/83afe278b6a6bb3c-s.p.2bn3s6zvc0dyp.woff2)format("woff2");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:Inter Fallback;src:local(Arial);ascent-override:90.44%;descent-override:22.52%;line-gap-override:0.0%;size-adjust:107.12%}.inter_5a1edc38-module__AVVOsG__className{font-family:Inter,Inter Fallback;font-style:normal}.inter_5a1edc38-module__AVVOsG__variable{--font-inter:"Inter", "Inter Fallback"}
:root{--color-bg:#161826;--color-surface:#232532;--color-text:#e9e9ed;--color-accent:#9184d9;--color-accent-2:#a7a1db;--color-divider:#e9e9ed29;--color-neutral-100:#f3f5fe;--color-neutral-200:#e4e7f5;--color-neutral-300:#cfd3e5;--color-neutral-400:#b2b6ca;--color-neutral-500:#9397ab;--color-neutral-600:#75798c;--color-neutral-700:#595d6c;--color-neutral-800:#3f424d;--color-neutral-900:#292b31;--color-accent-100:#f5f4ff;--color-accent-200:#e7e5fe;--color-accent-300:#d2cefd;--color-accent-400:#b5abfc;--color-accent-500:#968ae0;--color-accent-600:#796cbf;--color-accent-700:#5d5294;--color-accent-800:#423a6a;--color-accent-900:#2b2741;--font-heading:var(--font-inter), system-ui, sans-serif;--font-heading-weight:500;--font-body:var(--font-inter), system-ui, sans-serif;--radius-sm:4px;--radius-md:8px;--radius-lg:14px;--shadow-sm:0 0 0 1px #3f424d;--shadow-md:0 0 0 1px #595d6c, 0 6px 18px #0000008c;--shadow-lg:0 0 0 1px #9397ab, 0 16px 40px #000000a6}:root[data-theme=light]{--color-bg:#f5f5fa;--color-surface:#fff;--color-text:#1c1d26;--color-accent:#6f61c0;--color-accent-2:#7a71b8;--color-divider:#1c1d2624;--color-neutral-100:#1b1c24;--color-neutral-200:#2a2c36;--color-neutral-300:#3f4150;--color-neutral-400:#565968;--color-neutral-500:#71748a;--color-neutral-600:#8f92a6;--color-neutral-700:#b0b3c4;--color-neutral-800:#d5d7e2;--color-neutral-900:#eceef5;--color-accent-100:#2b2741;--color-accent-200:#3d3563;--color-accent-300:#5d5294;--color-accent-400:#6f61c0;--color-accent-500:#8a7dd4;--color-accent-600:#a89ee6;--color-accent-700:#c5bef2;--color-accent-800:#e7e5fe;--color-accent-900:#f1effc;--shadow-sm:0 0 0 1px #e3e4ee;--shadow-md:0 0 0 1px #d6d8e4, 0 6px 18px #181a301a;--shadow-lg:0 0 0 1px #c3c5d6, 0 16px 40px #181a3029}:root[data-theme=light] .bg-dark{--color-bg:#161826;--color-surface:#232532;--color-text:#e9e9ed;--color-divider:#e9e9ed29;--color-neutral-400:#b2b6ca;--color-neutral-500:#9397ab;--color-neutral-600:#75798c;--color-accent-200:#e7e5fe;--color-accent-300:#d2cefd}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-body);margin:0;font-size:16px;line-height:1.6}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:var(--font-heading-weight);letter-spacing:-.015em;margin:0;line-height:1.12}p{margin:0}a{color:var(--color-accent-300);text-underline-offset:3px}a:hover{color:var(--color-accent-200)}:focus{outline:none}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}::selection{background:color-mix(in srgb, var(--color-accent) 30%, transparent)}.btn{cursor:pointer;font-family:var(--font-heading);font-weight:var(--font-heading-weight);color:var(--color-text);border-radius:var(--radius-md);background:0 0;border:1px solid #0000;justify-content:center;align-items:center;gap:6px;padding:11px 18px;font-size:15px;line-height:1.2;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{color:var(--color-accent-300);border-color:var(--color-accent)}.btn-primary:hover{background:color-mix(in srgb, var(--color-accent) 12%, transparent);color:var(--color-accent-200)}.btn-primary:active{background:color-mix(in srgb, var(--color-accent) 22%, transparent)}.btn-secondary{border-color:var(--color-divider)}.btn-secondary:hover{background:color-mix(in srgb, var(--color-text) 7%, transparent)}.btn-ghost{color:var(--color-accent-300)}.btn-ghost:hover{background:color-mix(in srgb, var(--color-accent) 10%, transparent)}.btn-icon{width:40px;height:40px;padding:0}.btn-block{width:100%}.input{width:100%;min-height:40px;font:inherit;color:var(--color-text);caret-color:var(--color-accent);background:var(--color-surface);border:1px solid var(--color-divider);border-radius:var(--radius-md);padding:8px 12px;font-size:16px}.input:hover{border-color:color-mix(in srgb, var(--color-text) 45%, transparent)}.input:focus-visible{border-color:var(--color-accent);outline-offset:0}.tag{letter-spacing:.02em;white-space:nowrap;border-radius:6px;align-items:center;padding:3px 10px;font-size:12px;display:inline-flex}.tag-accent{background:var(--color-accent-800);color:var(--color-accent-100)}.tag-neutral{background:var(--color-neutral-800);color:var(--color-neutral-100)}.tag-outline{border:1px solid var(--color-accent-600);color:var(--color-accent-300)}.table{border-collapse:collapse;width:100%;font-size:16px}.table th{text-align:left;letter-spacing:.08em;text-transform:uppercase;color:color-mix(in srgb, var(--color-text) 60%, transparent);padding:10px 8px;font-size:11px}.table td{padding:12px 8px}.table thead tr{background:linear-gradient(to right, transparent, var(--color-divider) 48px, var(--color-divider) calc(100% - 48px), transparent) no-repeat bottom / 100% 1px}.table tbody tr{background:linear-gradient(to right, transparent, color-mix(in srgb, var(--color-text) 8%, transparent) 48px, color-mix(in srgb, var(--color-text) 8%, transparent) calc(100% - 48px), transparent) no-repeat bottom / 100% 1px}.container{max-width:1280px;margin:0 auto;padding:0 32px}.site-header{z-index:40;background:color-mix(in srgb, var(--color-bg) 88%, transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--color-divider);position:sticky;top:0}.site-header-inner{justify-content:space-between;align-items:center;gap:16px;height:64px;display:flex}.brand{color:var(--color-text);align-items:center;gap:12px;text-decoration:none;display:flex}.brand-mark{border-radius:var(--radius-sm);border:1px solid var(--color-accent-600);width:30px;height:30px;color:var(--color-accent-300);flex:none;justify-content:center;align-items:center;font-size:13px;font-weight:600;display:flex}.brand-name{white-space:nowrap;font-size:15px;font-weight:500}.brand-name span{color:var(--color-neutral-500)}.nav-links{align-items:center;gap:26px;font-size:14.5px;display:flex}.nav-links a{color:var(--color-neutral-300);border-bottom:2px solid #0000;padding-bottom:2px;text-decoration:none}.nav-links a:hover{color:var(--color-text)}.nav-links a.active{color:var(--color-text);border-bottom-color:var(--color-accent)}.hero{flex-direction:column;align-items:flex-start;gap:24px;padding:72px 0 56px;display:flex}.kicker{letter-spacing:.12em;text-transform:uppercase;color:var(--color-accent-300);align-items:center;gap:8px;font-size:12px;display:flex}.hero h1{max-width:24ch;font-size:clamp(30px,4.4vw,54px);line-height:1.05}.hero .lead{color:var(--color-neutral-300);max-width:64ch;font-size:18px;line-height:1.6}.search-bar{background:var(--color-surface);border:1px solid var(--color-accent-700);border-radius:var(--radius-md);width:100%;max-width:780px;min-height:60px;box-shadow:0 0 0 4px color-mix(in srgb, var(--color-accent) 12%, transparent);align-items:center;gap:12px;padding:15px 18px;display:flex}.search-bar i{color:var(--color-accent-300);font-size:22px}.search-bar textarea{min-width:0;font:inherit;color:var(--color-text);resize:none;background:0 0;border:none;flex:1;height:27px;max-height:140px;padding:0;font-size:17px;line-height:1.55;overflow-y:auto}.search-bar textarea::placeholder{color:var(--color-neutral-500);white-space:nowrap}.search-bar kbd{color:var(--color-neutral-600);border:1px solid var(--color-neutral-800);border-radius:var(--radius-sm);padding:3px 7px;font-family:inherit;font-size:12px}.section-head{border-bottom:1px solid var(--color-divider);justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:20px;padding-bottom:14px;display:flex}.section-head h2{font-size:26px}.section-head .meta{color:var(--color-neutral-500);font-size:14px}.topic-grid{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.topic-card{background:var(--color-surface);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);min-height:172px;color:var(--color-text);flex-direction:column;gap:10px;padding:20px;text-decoration:none;display:flex}.topic-card:hover{box-shadow:var(--shadow-md);color:var(--color-text)}.topic-card .top{justify-content:space-between;align-items:center;display:flex}.topic-card .top i{color:var(--color-accent-300);font-size:26px}.topic-card .num{font-variant-numeric:tabular-nums;color:var(--color-neutral-600);font-size:12px}.topic-card .title{text-wrap:pretty;font-size:17px;line-height:1.3}.topic-card .desc{color:var(--color-neutral-500);text-wrap:pretty;font-size:14px;line-height:1.45}.topic-card .pages{font-variant-numeric:tabular-nums;color:var(--color-accent-400);margin-top:auto;font-size:13px}.quick-grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}.quick-card{border-radius:var(--radius-lg);background:linear-gradient(140deg, var(--color-accent-900), var(--color-surface));box-shadow:var(--shadow-sm);color:var(--color-text);gap:20px;padding:28px;text-decoration:none;display:flex}.quick-card:hover{box-shadow:var(--shadow-md);color:var(--color-text)}.quick-card>i{color:var(--color-accent-300);flex:none;font-size:38px}.quick-card h3{font-size:22px}.quick-card p{color:var(--color-neutral-300);font-size:16px;line-height:1.55}.quick-card .tags{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.bot-banner{border:1px solid var(--color-neutral-800);border-radius:var(--radius-md);align-items:center;gap:24px;padding:24px 28px;display:flex}.bot-banner .txt{flex-direction:column;flex:1;gap:4px;display:flex}.bot-banner .txt b{font-size:18px;font-weight:500}.bot-banner .txt span{color:var(--color-neutral-400);font-size:15px}.site-footer{border-top:1px solid var(--color-divider);background:var(--color-surface);margin-top:64px}.site-footer-inner{flex-wrap:wrap;justify-content:space-between;gap:48px;padding:48px 32px 52px;display:flex}.site-footer .about{flex-direction:column;gap:6px;max-width:46ch;font-size:14px;display:flex}.site-footer .about .t1{color:var(--color-text);padding-top:10px;font-size:15px}.site-footer .about .t2{color:var(--color-neutral-500);line-height:1.5}.site-footer .about .t3{color:var(--color-neutral-600);margin-top:6px;font-size:13px;line-height:1.5}.site-footer .cols{gap:56px;font-size:14px;display:flex}.site-footer .col{flex-direction:column;gap:8px;display:flex}.site-footer .col a{color:var(--color-neutral-400);text-decoration:none}.site-footer .col a:hover{color:var(--color-text)}.site-footer .col .h{color:var(--color-neutral-600);letter-spacing:.1em;text-transform:uppercase;font-size:12px}.reading-grid{grid-template-columns:296px minmax(0,1fr) 260px;min-height:calc(100vh - 64px);display:grid}.toc{border-right:1px solid var(--color-divider);background:var(--color-surface);padding:24px 20px}.toc-sticky{flex-direction:column;gap:2px;display:flex;position:sticky;top:88px}.toc .h{letter-spacing:.12em;text-transform:uppercase;color:var(--color-neutral-600);padding:0 8px 12px;font-size:11px}.toc-item{border-radius:var(--radius-sm);color:var(--color-neutral-300);align-items:flex-start;gap:10px;padding:9px 8px;font-size:14.5px;line-height:1.35;text-decoration:none;display:flex}.toc-item:hover{background:var(--color-accent-900);color:var(--color-neutral-200)}.toc-item.active{background:var(--color-accent-900);color:var(--color-accent-200)}.toc-item .n{font-variant-numeric:tabular-nums;color:var(--color-neutral-600);min-width:18px;padding-top:2px;font-size:12px}.content-col{max-width:860px;padding:44px 56px 64px}.content-col .lead-meta{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;display:flex}.content-col h1{max-width:30ch;margin-bottom:14px;font-size:clamp(26px,3vw,38px);line-height:1.12}.content-col .page-block{margin-bottom:40px;scroll-margin-top:88px}.content-col .page-block h2{margin:0 0 4px;padding-top:24px;font-size:24px}.content-col .page-block .src{color:var(--color-neutral-500);margin-bottom:14px;font-size:13px}.content-col p{color:var(--color-neutral-200);max-width:70ch;margin:0 0 14px;font-size:17px;line-height:1.7}.content-col ul,.content-col ol{color:var(--color-neutral-200);max-width:70ch;margin:0 0 14px;padding-left:26px;font-size:17px;line-height:1.7}.content-col li{margin-bottom:6px}.rail{border-left:1px solid var(--color-divider);padding:44px 20px}.rail-sticky{flex-direction:column;gap:22px;display:flex;position:sticky;top:88px}.rail .h{letter-spacing:.12em;text-transform:uppercase;color:var(--color-neutral-600);margin-bottom:8px;font-size:11px}.rail .onpage a{border-left:2px solid var(--color-divider);color:var(--color-neutral-400);padding:5px 0 5px 12px;font-size:14px;line-height:1.4;text-decoration:none;display:block}.rail .onpage a:hover{color:var(--color-accent-200);border-left-color:var(--color-accent)}.rail-ai{background:var(--color-surface);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);flex-direction:column;gap:10px;padding:16px;display:flex}.rail-ai i{color:var(--color-accent-300);font-size:22px}.rail-ai .t{font-size:15px;line-height:1.45}.rail-links{color:var(--color-neutral-400);flex-direction:column;gap:10px;font-size:14px;display:flex}.rail-links a{color:var(--color-neutral-400);align-items:center;gap:8px;text-decoration:none;display:flex}.rail-links a:hover{color:var(--color-accent-200)}.prevnext{border-top:1px solid var(--color-divider);justify-content:space-between;gap:16px;padding-top:24px;display:flex}.prevnext a{border:1px solid var(--color-neutral-800);border-radius:var(--radius-md);width:48%;color:var(--color-text);flex-direction:column;gap:4px;padding:14px 18px;font-size:16px;text-decoration:none;display:flex}.prevnext a:hover{border-color:var(--color-accent-700)}.prevnext a .dir{color:var(--color-neutral-500);font-size:13px}.prevnext a.next{text-align:right;border-color:var(--color-accent-700)}.prevnext a.next .dir{color:var(--color-accent-300)}.callout{border-left:2px solid var(--color-accent-600);background:var(--color-accent-900);border-radius:0 var(--radius-sm) var(--radius-sm) 0;gap:14px;max-width:70ch;margin:0 0 24px;padding:16px 18px;display:flex}.callout i{color:var(--color-accent-300);flex:none;margin-top:2px;font-size:20px}.callout div{color:var(--color-accent-200);font-size:16px;line-height:1.6}.ai-fab{z-index:60;border:1px solid var(--color-accent-600);background:var(--color-accent-900);color:var(--color-accent-200);font:inherit;cursor:pointer;box-shadow:var(--shadow-md);border-radius:999px;align-items:center;gap:8px;padding:13px 20px;font-size:15px;display:flex;position:fixed;bottom:24px;right:24px}.ai-fab:hover{background:var(--color-accent-800)}.ai-fab i{font-size:19px}.ai-panel{z-index:70;background:var(--color-surface);border-radius:var(--radius-lg);width:440px;height:min(100dvh - 48px,820px);box-shadow:var(--shadow-lg);flex-direction:column;display:flex;position:fixed;bottom:24px;right:24px;overflow:hidden}.ai-head{border-bottom:1px solid var(--color-divider);flex:none;align-items:center;gap:12px;padding:14px 16px;display:flex}.ai-head i.logo{color:var(--color-accent-300);font-size:20px}.ai-head .t{flex-direction:column;display:flex}.ai-head .t b{font-size:15px;font-weight:500}.ai-head .t span{color:var(--color-neutral-500);font-size:12px}.ai-head .spacer{margin-left:auto}.ai-body{flex-direction:column;flex:1;gap:14px;padding:16px;display:flex;overflow-y:auto}.ai-empty{flex-direction:column;gap:14px;padding:12px 4px;display:flex}.ai-empty .badge{border-radius:var(--radius-md);border:1px solid var(--color-accent-700);justify-content:center;align-items:center;width:40px;height:40px;display:flex}.ai-empty .badge i{color:var(--color-accent-300);font-size:20px}.ai-empty .big{font-size:18px;line-height:1.35}.ai-empty .small{color:var(--color-neutral-500);font-size:14px}.ai-suggestion{text-align:left;border-radius:var(--radius-md);border:1px solid var(--color-neutral-800);color:var(--color-text);cursor:pointer;font-size:15px;line-height:1.4;font-family:var(--font-body);background:0 0;padding:11px 13px}.ai-suggestion:hover{border-color:var(--color-accent-600);background:var(--color-accent-900)}.msg{border-radius:var(--radius-md);white-space:pre-wrap;overflow-wrap:break-word;max-width:94%;padding:12px 14px;font-size:15.5px;line-height:1.6}.msg-user{background:var(--color-accent-800);color:var(--color-accent-100);align-self:flex-end}.msg-ai{border:1px solid var(--color-neutral-800);color:var(--color-neutral-200);white-space:normal;align-self:flex-start}.msg-ai p{margin:0 0 9px}.msg-ai ul,.msg-ai ol{margin:0 0 9px;padding-left:20px}.msg-ai ul ul{margin:4px 0 0;list-style:circle}.msg-ai li>ul,.msg-ai li>ol{margin:4px 0 0}.msg-ai li{margin-bottom:4px}.msg-ai li:last-child{margin-bottom:0}.msg-ai strong{color:var(--color-text);font-weight:600}.msg-ai>:last-child{margin-bottom:0}.msg-sources{flex-wrap:wrap;align-self:flex-start;gap:6px;display:flex}.msg-sources a{cursor:pointer;text-decoration:none}.typing{border:1px solid var(--color-neutral-800);border-radius:var(--radius-md);align-self:flex-start;gap:5px;padding:12px 14px;display:flex}.typing span{background:var(--color-accent-300);border-radius:50%;width:6px;height:6px;animation:1.2s infinite blink}.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.25}40%{opacity:1}}.ai-foot{border-top:1px solid var(--color-divider);flex-direction:column;flex:none;gap:8px;padding:12px 16px 14px;display:flex}.ai-foot .row{align-items:flex-end;gap:8px;display:flex}.ai-foot .note{color:var(--color-neutral-600);font-size:12px;line-height:1.45}.ai-input{resize:none;flex:1;height:44px;max-height:132px;padding:10px 12px;line-height:1.5;overflow-y:auto}.bottom-nav{z-index:50;padding:8px 0 calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--color-divider);background:var(--color-surface);justify-content:space-around;display:none;position:fixed;bottom:0;left:0;right:0}.bottom-nav a,.bottom-nav button{min-width:60px;min-height:44px;color:var(--color-neutral-500);cursor:pointer;background:0 0;border:none;flex-direction:column;align-items:center;gap:3px;font-family:inherit;font-size:11px;text-decoration:none;display:flex}.bottom-nav i{font-size:22px}.bottom-nav .active{color:var(--color-accent-300)}.result-card{background:var(--color-surface);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);color:var(--color-text);margin-bottom:12px;padding:18px 20px;text-decoration:none;display:block}.result-card:hover{box-shadow:var(--shadow-md)}.result-card .where{color:var(--color-accent-400);margin-bottom:6px;font-size:13px}.result-card .snippet{color:var(--color-neutral-300);font-size:15.5px;line-height:1.6}.result-card mark{background:color-mix(in srgb, var(--color-accent) 35%, transparent);color:var(--color-accent-100);border-radius:2px;padding:0 2px}.check-item{border-radius:var(--radius-md);cursor:pointer;color:var(--color-neutral-200);gap:12px;padding:12px 14px;font-size:16px;line-height:1.55;display:flex}.check-item:hover{background:var(--color-accent-900)}.check-item input{width:18px;height:18px;accent-color:var(--color-accent);flex:none;margin-top:3px}.check-item.done{color:var(--color-neutral-600);text-decoration:line-through}.progress-track{background:var(--color-neutral-900);border-radius:999px;height:6px;overflow:hidden}.progress-fill{background:var(--color-accent);border-radius:999px;height:100%;transition:width .25s}.table-wrap{overflow-x:auto}.table-wrap .table{min-width:560px}.mobile-toc{border:1px solid var(--color-neutral-800);border-radius:var(--radius-md);margin-bottom:24px;display:none}.mobile-toc summary{cursor:pointer;color:var(--color-accent-300);align-items:center;gap:10px;padding:13px 16px;font-size:15px;list-style:none;display:flex}.mobile-toc summary::-webkit-details-marker{display:none}.mobile-toc[open] summary{border-bottom:1px solid var(--color-divider)}.mobile-toc .items{flex-direction:column;padding:8px;display:flex}.page-pad{padding:40px 0 64px}.page-pad>h1{margin-bottom:10px;font-size:clamp(26px,3.4vw,38px)}.page-pad>.sub{color:var(--color-neutral-400);max-width:70ch;margin-bottom:32px;font-size:17px}@media (max-width:1100px){.reading-grid{grid-template-columns:260px minmax(0,1fr)}.rail{display:none}.topic-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:760px){.container{padding:0 18px}.checklist-layout{grid-template-columns:1fr!important}.nav-links{display:none}.hero{gap:18px;padding:40px 0 36px}.search-bar{min-height:52px;padding:12px 14px}.topic-grid,.quick-grid,.reading-grid{grid-template-columns:1fr}.toc{display:none}.content-col{padding:24px 18px 96px}.bottom-nav{display:flex}.ai-panel{border-radius:0;width:100%;height:100dvh;bottom:0;right:0}.ai-fab{bottom:84px;right:16px}.prevnext{flex-direction:column}.prevnext a{width:100%}.bot-banner{flex-wrap:wrap}.site-footer-inner{flex-direction:column;gap:28px;padding:40px 18px 64px}.site-footer .cols{flex-wrap:wrap;gap:32px}body{padding-bottom:84px}.mobile-toc{display:block}.content-col .page-block{scroll-margin-top:24px}.section-head h2{font-size:22px}.quick-card{padding:20px}.quick-card>i{font-size:30px}}@media print{body{color:#1a1a1f;background:#fff;padding:0}.site-header,.site-footer,.toc,.rail,.ai-fab,.ai-panel,.bottom-nav,.prevnext,.noprint{display:none!important}.reading-grid{display:block}.content-col{max-width:none;padding:0}.content-col p,.content-col ul,.content-col ol{color:#1a1a1f;font-size:12pt}.content-col h1,.content-col h2{color:#12121a}.content-col .page-block .src{color:#5a5a66}.callout{background:#f0eff8;border-left-color:#5d5294}.callout div{color:#2b2741}a{color:#1a1a1f;text-decoration:none}@page{size:A4 portrait;margin:14mm 12mm}.container{max-width:none;padding:0}.page-pad{padding:0}.page-pad>h1{color:#12121a;font-size:20pt}.page-pad>.sub{display:none}.checklist-layout{display:block!important}.check-item{color:#1a1a1f;break-inside:avoid;page-break-inside:avoid;border-bottom:1px solid #dcdce4;padding:5pt 0;font-size:11pt}.check-item.done{color:#5a5a66}.check-item input{-webkit-print-color-adjust:exact;print-color-adjust:exact;width:11pt;height:11pt;margin-top:2pt}.checklist-meta{color:#5a5a66!important}.progress-track{background:#fff;border:1px solid #c8c8d2}.progress-fill{-webkit-print-color-adjust:exact;print-color-adjust:exact;background:#5d5294}}