/*! tailwindcss v4.3.3 | MIT License | https://tailwindcss.com */
@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.static{position:static}.container{width:100%}@media (width>=40rem){.container{max-width:40rem}}@media (width>=48rem){.container{max-width:48rem}}@media (width>=64rem){.container{max-width:64rem}}@media (width>=80rem){.container{max-width:80rem}}@media (width>=96rem){.container{max-width:96rem}}.hidden{display:none}}.tool-breadcrumb{color:var(--muted);align-items:center;gap:10px;padding-top:35px;font-size:.85rem;display:flex}.tool-breadcrumb a{color:var(--accent)}.tool-breadcrumb a:hover{text-decoration:underline}.tool-heading{align-items:center;gap:18px;padding:25px 0 31px;display:flex}.tool-heading .icon-tile{flex:none;width:64px;height:64px;font-size:1.65rem}.tool-heading h1{letter-spacing:-.05em;margin:4px 0;font-size:clamp(2rem,4vw,3rem);line-height:1.15}.tool-heading p{color:var(--muted);margin:0}.tool-shell{min-width:0}.tool-workspace{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:stretch;gap:18px;display:grid}.tool-input-pane,.tool-output-pane,.tool-help{background:var(--surface);border:1px solid var(--line);min-width:0;box-shadow:var(--shadow);border-radius:15px;padding:24px}.tool-input-pane h2,.tool-output-pane h2,.tool-help h2{margin:0 0 18px;font-size:1.1rem}.tool-textarea{resize:vertical;min-height:170px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9rem}.tool-options{gap:12px;margin-top:16px;display:grid}.tool-shell [hidden]{display:none!important}.tool-actions{flex-wrap:wrap;gap:9px;margin-top:20px;display:flex}.tool-actions .btn{min-height:41px;padding-inline:14px}.tool-status{background:var(--surface-2);border:1px solid var(--line);color:var(--muted);border-radius:7px;margin:0 0 13px;padding:4px 10px;font-size:.8rem;display:inline-block}.tool-shell[data-state=error] .tool-status,.tool-error{color:#c32d3c}.tool-shell[data-state=success] .tool-status{color:#147850}.tool-shell[data-state=loading] .tool-status{color:var(--accent)}.tool-result{overflow-wrap:anywhere;min-width:0;min-height:206px}.tool-pre{white-space:pre-wrap;overflow-wrap:anywhere;border:1px solid var(--line);background:var(--surface-2);border-radius:10px;max-height:530px;margin:0;padding:17px;font:.9rem/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;overflow:auto}.tool-pairs{border:1px solid var(--line);border-radius:10px;grid-template-columns:minmax(120px,34%) minmax(0,1fr);margin:0;display:grid;overflow:hidden}.tool-pairs dt,.tool-pairs dd{border-bottom:1px solid var(--line);white-space:pre-wrap;overflow-wrap:anywhere;margin:0;padding:11px 13px}.tool-pairs dt{background:var(--surface-2);font-size:.85rem;font-weight:700}.tool-pairs dd{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.85rem}.tool-pairs dt:last-of-type,.tool-pairs dd:last-of-type{border-bottom:0}.tool-error{background:#fff4f4;border:1px solid #e5aeb4;border-radius:9px;margin:0;padding:15px}html[data-theme=dark] .tool-error{color:#ffadb8;background:#3a2029}.tool-help{margin-top:18px;padding:20px 24px}.tool-help h2{margin-bottom:5px}.tool-help p{color:var(--muted);margin:0;font-size:.9rem}.tool-tabs{border-bottom:1px solid var(--line);gap:6px;margin-bottom:18px;display:flex}.tool-tabs button{color:var(--muted);background:0 0;border:0;padding:9px 12px}.tool-tabs button[aria-selected=true]{color:var(--accent);border-bottom:2px solid var(--accent);font-weight:700}.tool-drop{border:1px dashed var(--line);text-align:center;color:var(--muted);border-radius:10px;margin-top:12px;padding:26px}.tool-drop.active{border-color:var(--accent);background:var(--surface-2)}.qr-preview{width:min(100%,320px);height:auto;image-rendering:pixelated;margin:0 auto;display:block}.tool-result .btn{margin-top:15px}.tool-shell video{border-radius:10px;width:100%;max-height:320px;margin-top:15px;display:block}@media (width<=720px){.tool-breadcrumb{padding-top:24px}.tool-heading{padding:23px 0}.tool-heading .icon-tile{width:49px;height:49px;font-size:1.2rem}.tool-workspace{grid-template-columns:minmax(0,1fr)}.tool-input-pane,.tool-output-pane{padding:18px}.tool-pairs{grid-template-columns:minmax(95px,36%) minmax(0,1fr)}.tool-actions .btn{flex:auto}.tool-result{min-height:120px}}.ip-hero{border:1px solid var(--line);background:var(--surface-2);border-radius:12px;margin-bottom:14px;padding:22px}.ip-hero span{color:var(--muted);font-size:.85rem;font-weight:700;display:block}.ip-hero strong{overflow-wrap:anywhere;letter-spacing:-.04em;margin-top:6px;font-size:clamp(1.65rem,3vw,2.8rem);line-height:1.2;display:block}.tool-shell[data-tool=ip] .tool-workspace{grid-template-columns:minmax(0,1fr) minmax(0,1.7fr)}.ip-note{color:var(--muted);margin:15px 0 0;font-size:.85rem;line-height:1.65}@media (width<=720px){.tool-shell[data-tool=ip] .tool-workspace{grid-template-columns:minmax(0,1fr)}}:root{color-scheme:light;--bg:#f4f8fc;--surface:#fff;--surface-2:#f7faff;--ink:#0c1e38;--muted:#58708f;--line:#dce7f3;--accent:#2477ed;--shadow:0 14px 45px #1433560e}html[data-theme=dark]{color-scheme:dark;--bg:#071320;--surface:#0e2033;--surface-2:#13273c;--ink:#e9f2ff;--muted:#a4bbd5;--line:#28415d;--accent:#78b3ff;--shadow:0 14px 45px #0000002e}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}::selection{background:#85b9ff80}:focus-visible{outline-offset:3px;outline:3px solid #68a8ff}.container{width:min(1200px,100% - 48px);margin-inline:auto}.section{padding-block:76px}.eyebrow{text-transform:uppercase;letter-spacing:.18em;color:var(--accent);font-size:.73rem;font-weight:800}.muted{color:var(--muted)}.page-head{padding:68px 0 42px}.page-head h1{letter-spacing:-.055em;margin:10px 0 14px;font-size:clamp(2.3rem,5vw,4rem);line-height:1.12}.page-head p{max-width:680px;color:var(--muted);margin:0;font-size:1.08rem}.grid-cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.card{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:15px;transition:transform .2s,border-color .2s,box-shadow .2s;display:block}.card:hover{border-color:#98bdf0;transform:translateY(-3px);box-shadow:0 18px 50px #17497e1c}.icon-tile{letter-spacing:-.08em;border-radius:12px;place-items:center;width:47px;height:47px;font-size:1.3rem;font-weight:800;display:grid}.blue{color:#1974ed;background:#e4f1ff}.purple{color:#7648e8;background:#eee8ff}.mint{color:#00a58c;background:#dbf8f0}.orange{color:#ef8a13;background:#fff0db}.cyan{color:#079bad;background:#d9f8fc}.indigo{color:#536be9;background:#e7ebff}.dark{color:#e7f2ff;background:#13283b}.badge{color:#2472d5;background:#e8f2ff;border-radius:7px;align-items:center;gap:6px;padding:4px 9px;font-size:.72rem;font-weight:700;display:inline-flex}html[data-theme=dark] .badge{color:#a5ceff;background:#173657}.btn{border:1px solid #0000;border-radius:9px;justify-content:center;align-items:center;gap:9px;min-height:43px;padding:0 18px;font-size:.9rem;font-weight:700;transition:transform .2s,background .2s;display:inline-flex}.btn:hover{transform:translateY(-2px)}.btn-primary{color:#fff;background:#2c78e9}.btn-primary:hover{background:#1667dd}.btn-secondary{background:var(--surface);border-color:var(--line)}.section-heading{justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px;display:flex}.section-heading h2{letter-spacing:-.04em;margin:0 0 3px;font-size:1.65rem}.section-heading p{color:var(--muted);margin:0;font-size:.94rem}.text-link{color:var(--accent);white-space:nowrap;font-size:.88rem;font-weight:700}.text-link:hover{text-decoration:underline}.tool-card{flex-direction:column;align-items:flex-start;min-height:220px;padding:24px;display:flex}.tool-card h3{margin:19px 0 2px;font-size:1.03rem}.tool-card p{color:var(--muted);margin:0 0 19px;font-size:.87rem}.tool-card .badge{margin-top:auto}.project-card{gap:16px;min-height:172px;padding:23px;display:flex}.project-card h3{margin:0 0 4px;font-size:1rem}.project-card p{color:var(--muted);margin:0;font-size:.86rem}.project-card .meta{color:var(--muted);justify-content:space-between;align-items:center;gap:8px;margin-top:19px;font-size:.73rem;display:flex}.project-card .body{flex:1;min-width:0}.note-card{min-height:194px;padding:24px}.note-card time{color:var(--muted);font-size:.75rem}.note-card h3{margin:12px 0 6px;font-size:1.03rem}.note-card p{color:var(--muted);margin:0 0 16px;font-size:.86rem}.tags{flex-wrap:wrap;gap:6px;display:flex}.tag{border:1px solid var(--line);background:var(--surface-2);color:var(--muted);border-radius:6px;padding:2px 7px;font-size:.72rem}.site-header{z-index:20;color:#eaf2ff;background:#07172a;border-bottom:1px solid #ffffff20;height:68px;position:relative}.nav-wrap{justify-content:space-between;align-items:center;gap:24px;height:100%;display:flex}.brand{letter-spacing:.035em;white-space:nowrap;align-items:center;gap:10px;font-size:.95rem;font-weight:900;display:inline-flex}.brand svg{width:29px;height:29px}.nav-links,.header-actions{align-items:center;gap:30px;display:flex}.nav-links a{color:#b9cbe1;font-size:.86rem;transition:color .2s}.nav-links a:hover,.nav-links a[aria-current=page]{color:#fff}.nav-links a[aria-current=page]{position:relative}.nav-links a[aria-current=page]:after{content:"";background:#68a7ff;height:2px;position:absolute;bottom:-22px;left:0;right:0}.header-actions{gap:14px}.icon-button{color:inherit;background:0 0;border:0;border-radius:8px;place-items:center;width:35px;height:35px;display:grid}.icon-button:hover{background:#ffffff1b}.icon-button svg{width:18px;height:18px}.space-link{color:#d4e5fa;border:1px solid #ffffff38;border-radius:8px;padding:7px 10px;font-size:.78rem}.menu-toggle,.mobile-nav{display:none}.site-footer{color:#b7c9de;background:#07172a;border-top:1px solid #19324e;margin-top:70px;padding:42px 0}.footer-inner{justify-content:space-between;align-items:center;gap:20px;display:flex}.footer-inner p{margin:10px 0 0;font-size:.82rem}.footer-links{gap:22px;font-size:.85rem;display:flex}.footer-links a:hover{color:#fff}.hero{isolation:isolate;color:#fff;background:#061527;align-items:center;min-height:515px;display:flex;position:relative;overflow:hidden}.hero:before{content:"";z-index:-1;background:linear-gradient(90deg,#061527a8,#06152746 50%,#061527a0),linear-gradient(#0000 58%,#061527 98%),url(/hero-mountains.svg) 50% 54%/cover;position:absolute;inset:0}.hero-inner{text-align:center;padding:62px 0 92px}.hero-kicker{color:#a6caf5;letter-spacing:.2em;background:#10294480;border:1px solid #ffffff38;border-radius:100px;align-items:center;gap:10px;padding:5px 14px;font-size:.72rem;font-weight:700;display:inline-flex}.hero h1{letter-spacing:-.055em;text-shadow:0 5px 25px #0009;margin:23px 0 12px;font-size:clamp(2.7rem,5.2vw,5rem);line-height:1.14}.hero .subtitle{color:#d7e7fa;margin:0 0 27px;font-size:clamp(.99rem,1.5vw,1.18rem)}.hero-search{width:min(530px,100%);margin:0 auto 25px}.hero-actions{justify-content:center;gap:11px;display:flex}.hero-actions .btn-secondary{color:#fff;background:#ffffff17;border-color:#ffffff4a}.hero-actions .btn-secondary:hover{background:#ffffff2a}.hero-stats{backdrop-filter:blur(10px);background:#0515268f;border-top:1px solid #fff2;justify-content:center;gap:0;display:flex;position:absolute;bottom:0;left:0;right:0}.hero-stats a{color:#c8dcf4;border-right:1px solid #fff2;align-items:center;gap:11px;padding:18px 30px;font-size:.82rem;display:flex}.hero-stats a:last-child{border:0}.hero-stats strong{color:#fff;font-size:.89rem;display:block}.stat-icon{color:#83b9ff;font-size:1.25rem}.mobile-break{display:none}.search-shell{background:var(--surface);border:1px solid var(--line);height:48px;color:var(--muted);box-shadow:var(--shadow);border-radius:10px;align-items:center;gap:10px;padding:0 13px;display:flex}.search-shell:focus-within{border-color:#72a9f5;box-shadow:0 0 0 3px #4389f127}.search-shell svg{flex:none;width:18px;height:18px}.search-shell input{color:var(--ink);background:0 0;border:0;outline:0;width:100%;min-width:0;font-size:.9rem}.search-shell input::placeholder{color:#8ca0b9}.search-shell kbd{white-space:nowrap;color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:2px 5px;font-size:.69rem}.search-shell button{color:var(--muted);background:0 0;border:0;font-size:1.2rem;line-height:1}.hero-search .search-shell{color:#d9e9fc;background:#10243cca;border-color:#90b0d06e}.hero-search input{color:#fff}.hero-search input::placeholder{color:#b3c9e2}.hero-search kbd{color:#d3e5f8;border-color:#fff4}.article{max-width:800px;margin:0 auto;padding:60px 0 30px}.article h1{letter-spacing:-.05em;margin:10px 0;font-size:clamp(2.4rem,5vw,4rem);line-height:1.1}.article .lead{color:var(--muted);font-size:1.12rem}.prose{color:var(--ink);margin-top:44px;font-size:1rem;line-height:1.85}.prose h2{letter-spacing:-.03em;margin:2.2em 0 .6em;font-size:1.5rem}.prose p,.prose li{color:var(--muted)}.prose a{color:var(--accent);text-decoration:underline}.prose code{background:var(--surface-2);border-radius:4px;padding:2px 5px}.prose pre{color:#deedff;background:#0a1a2d;border-radius:12px;padding:20px;overflow:auto}.prose pre code{background:0 0;padding:0}.prose ul{padding-left:1.25em}.divider{border:0;border-top:1px solid var(--line);margin:35px 0}.sidebar-layout{grid-template-columns:190px 1fr;gap:40px;padding:45px 0 20px;display:grid}.side-nav{align-self:start;position:sticky;top:20px}.side-nav a{color:var(--muted);border-radius:8px;padding:9px 11px;font-size:.88rem;display:block}.side-nav a:hover,.side-nav a.active{color:#256ed3;background:#e7f1ff}html[data-theme=dark] .side-nav a:hover,html[data-theme=dark] .side-nav a.active{color:#a8d0ff;background:#193653}.catalog-group{margin-bottom:45px}.catalog-group h2{margin:0 0 17px;font-size:1.16rem}.catalog-group .grid-cards{grid-template-columns:repeat(3,minmax(0,1fr))}.catalog-group .tool-card{min-height:190px}.empty{border:1px dashed var(--line);background:var(--surface);text-align:center;color:var(--muted);border-radius:12px;padding:28px}.field-label{margin-bottom:7px;font-size:.86rem;font-weight:700;display:block}.field-input{border:1px solid var(--line);background:var(--surface);width:100%;min-height:44px;color:var(--ink);border-radius:9px;padding:9px 12px;display:block}.field-input:focus{border-color:var(--accent)}.empty p{margin:6px 0 0}.error-state{border-color:#d78585}.loading-dot{background:var(--accent);border-radius:50%;width:9px;height:9px;margin-right:9px;animation:1s infinite alternate pulse;display:inline-block}@keyframes pulse{50%{opacity:.5}}.ui-dialog{border:1px solid var(--line);background:var(--surface);width:min(520px,100% - 32px);color:var(--ink);border-radius:15px;padding:24px;box-shadow:0 25px 80px #0004}.ui-dialog::backdrop{background:#07132099}.dialog-head{justify-content:space-between;align-items:center;gap:16px;display:flex}.dialog-head h2{margin:0;font-size:1.25rem}.dialog-close,.ui-toast button{color:inherit;background:0 0;border:0;font-size:1.4rem}.dialog-content{margin-top:15px}.tab-list{border-bottom:1px solid var(--line);gap:6px;display:flex}.tab-list button{color:var(--muted);background:0 0;border:0;padding:10px 14px}.tab-list button[aria-selected=true]{color:var(--accent);border-bottom:2px solid var(--accent)}.ui-tabs [role=tabpanel]{padding:20px 0}.ui-toast{z-index:50;background:var(--surface);color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:10px;padding:12px 16px;position:fixed;bottom:24px;right:24px}.ui-toast[hidden]{display:none}@media (width<=1000px){.grid-cards,.catalog-group .grid-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-stats a{padding:16px 20px}.nav-links{gap:18px}.space-link{display:none}}@media (width<=720px){.container{width:min(100% - 32px,1200px)}.section{padding-block:52px}.site-header{height:62px}.nav-links,.header-actions .space-link,.header-actions .desktop-only{display:none}.menu-toggle{display:grid}.mobile-nav[data-open=true]{background:#091b31;border-top:1px solid #ffffff24;flex-direction:column;gap:4px;padding:12px 16px 20px;display:flex}.mobile-nav a{color:#deebfa;padding:9px 5px}.hero{min-height:530px}.hero-inner{padding:68px 0 108px}.hero h1{font-size:clamp(2.15rem,8vw,4rem)}.mobile-break{display:block}.hero-stats{justify-content:flex-start;overflow-x:auto}.hero-stats a{white-space:nowrap;flex:1;justify-content:center;gap:5px;padding:12px 8px}.hero-stats a span:not(.stat-icon){font-size:0}.hero-stats strong{font-size:.72rem}.grid-cards,.catalog-group .grid-cards{grid-template-columns:1fr}.section-heading{align-items:start}.sidebar-layout{padding-top:30px;display:block}.side-nav{gap:6px;margin-bottom:30px;display:flex;position:static;overflow:auto}.side-nav a{white-space:nowrap}.footer-inner{flex-direction:column;align-items:flex-start}.page-head{padding:45px 0 30px}.tool-card{min-height:190px}}