/*! Airmeister kennisbank */
.kb-page-root{--kb-ink:#0b0b0c;--kb-text:#2b2f3a;--kb-muted:#5b6170;--kb-line:rgba(15,23,42,.08);--kb-soft:#f5f6f8;--kb-blue:#003cfb;--kb-ease:cubic-bezier(.22,1,.36,1);--kb-gutter:50px;--kb-gap:96px}
.kb-page-root *,.kb-page-root *::before,.kb-page-root *::after,.kb-lib *,.kb-viewer *,.kb-related *,.kb-card-box *{box-sizing:border-box}
.kb-wrap{box-sizing:border-box;width:100%;max-width:none;margin-inline:auto;padding-inline:var(--kb-gutter,50px)}
.kb-section{padding-bottom:var(--kb-gap,96px)}
.kb-section--first{padding-top:24px;padding-bottom:calc(var(--kb-gap,96px) * .75)}
.kb-i{flex:none;width:1.15em;height:1.15em}
.kb-page-root .screen-reader-text,.kb-lib .screen-reader-text,.kb-viewer .screen-reader-text{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.kb-page-root,.kb-lib,.kb-viewer,.kb-related{font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}

/* Buttons */
.kb-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 24px;border:0;border-radius:100px;font:600 15px/1 Inter,system-ui,sans-serif;letter-spacing:-.01em;text-decoration:none;white-space:nowrap;cursor:pointer;transition:transform .45s var(--kb-ease,ease),box-shadow .45s var(--kb-ease,ease),background-color .25s,color .25s}
.kb-btn .kb-i{width:18px;height:18px}
.kb-btn:focus-visible,.kb-chip:focus-visible,.kb-vbtn:focus-visible,.kb-card__dl:focus-visible,.kb-toc a:focus-visible{outline:3px solid rgba(0,60,251,.5);outline-offset:3px}
.kb-btn--primary{background:#003cfb;color:#fff;box-shadow:0 14px 30px -14px rgba(0,60,251,.75)}
.kb-btn--primary:hover{transform:translateY(-2px);box-shadow:0 22px 40px -16px rgba(0,60,251,.85);color:#fff}
.kb-btn--dark{background:#0b0b0c;color:#fff}
.kb-btn--dark:hover{transform:translateY(-2px);background:#202024;color:#fff}
.kb-btn__meta{margin-left:2px;padding:5px 9px;border-radius:100px;background:rgba(255,255,255,.14);font-size:12px;font-weight:600}
.kb-btn--link{min-height:0;padding:6px 0;background:none;color:#0b0b0c;font-weight:600;border-radius:0}
.kb-btn--link .kb-i{transition:transform .35s var(--kb-ease,ease)}
.kb-btn--link:hover{color:#003cfb}
.kb-btn--link:hover .kb-i{transform:translateX(3px)}
.kb-btn--ghost{background:transparent;color:#0b0b0c;box-shadow:inset 0 0 0 1px rgba(15,23,42,.18)}
.kb-btn--ghost:hover{box-shadow:inset 0 0 0 1px #0b0b0c}
.kb-btn--light{background:#fff;color:#0b0b0c}
.kb-btn--light:hover{transform:translateY(-2px);color:#003cfb}
.kb-btn--ghost-light{background:transparent;color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.28)}
.kb-btn--ghost-light:hover{box-shadow:inset 0 0 0 1px #fff;color:#fff}
.kb-btn--block{width:100%}

/* Tags */
.kb-tag{--acc:0,60,251;display:inline-flex;align-items:center;gap:7px;height:26px;padding:0 11px 0 9px;border-radius:100px;background:rgba(var(--acc),.1);color:#0b0b0c;font:600 12px/1 Inter,system-ui,sans-serif;letter-spacing:-.005em;white-space:nowrap}
.kb-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:rgb(var(--acc));box-shadow:0 0 0 3px rgba(var(--acc),.16)}
.kb-lang{display:inline-flex;align-items:center;height:26px;padding:0 9px;border-radius:100px;box-shadow:inset 0 0 0 1px rgba(15,23,42,.12);color:#5b6170;font:600 11px/1 Inter,system-ui,sans-serif;letter-spacing:.06em}

/* Cover (a PDF first page) */
.kb-cover{position:relative;display:block;overflow:hidden;background:#fff;border-radius:4px;box-shadow:0 0 0 1px rgba(15,23,42,.06),0 24px 44px -20px rgba(15,23,42,.45)}
.kb-cover::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(0,0,0,.12),rgba(255,255,255,.18) 2.5%,transparent 7%,transparent 94%,rgba(0,0,0,.06)),linear-gradient(180deg,rgba(255,255,255,.18),transparent 22%)}
.kb-cover__img{display:block;width:100%;height:auto}
.kb-cover--empty{display:grid;place-items:center;aspect-ratio:.707;color:#9aa0ab}
.kb-cover--empty .kb-i{width:40%;height:auto}

/* Hero: overview and document */
.kb-hero{--acc:0,60,251;position:relative;isolation:isolate;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);align-items:center;gap:48px;padding:64px 56px;border-radius:28px;overflow:hidden;background:radial-gradient(80% 110% at 100% 0%,rgba(var(--acc),.11),transparent 60%),radial-gradient(60% 80% at 0% 100%,rgba(3,205,255,.07),transparent 60%),#f6f7f9}
.kb-eyebrow{display:flex;align-items:center;gap:16px;max-width:520px;margin:0 0 22px;color:#0b0b0c;font:600 15px/1 Inter,system-ui,sans-serif;letter-spacing:-.01em}
.kb-eyebrow::after{content:"";flex:1;height:1px;background:currentColor;opacity:.85}
.kb-hero__title{margin:0;color:#003cfb;font:800 clamp(38px,4.6vw,66px)/1.02 Inter,system-ui,sans-serif;letter-spacing:-.045em;text-wrap:balance}
.kb-hero__lead{max-width:580px;margin:22px 0 0;color:#3c4150;font:400 clamp(17px,1.4vw,20px)/1.55 Inter,system-ui,sans-serif;letter-spacing:-.01em;text-wrap:pretty}
.kb-stats{display:flex;flex-wrap:wrap;gap:10px;margin:34px 0 0;padding:0;list-style:none}
.kb-stats li{display:flex;flex-direction:column;gap:6px;min-width:96px;padding:14px 16px;border-radius:18px;background:#fff;box-shadow:0 0 0 1px rgba(15,23,42,.05),0 14px 30px -20px rgba(15,23,42,.35)}
.kb-stats strong{color:#0b0b0c;font:800 24px/1 Inter,system-ui,sans-serif;letter-spacing:-.03em}
.kb-stats span{color:#5b6170;font:500 13px/1.2 Inter,system-ui,sans-serif}
.kb-stats__free strong{color:#003cfb}
.kb-hero__visual{position:relative;display:grid;place-items:center;min-height:420px;perspective:1600px}
.kb-hero__visual::before{content:"";position:absolute;width:72%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(var(--acc),.32),rgba(var(--acc),0) 66%);pointer-events:none;z-index:-1}

/* Overview: fanned covers */
.kb-fan{position:relative;width:100%;height:440px}
.kb-fan__item{position:absolute;top:50%;left:50%;width:min(46%,250px);transition:transform .9s var(--kb-ease,ease)}
.kb-fan__item .kb-cover{box-shadow:0 0 0 1px rgba(15,23,42,.06),0 40px 70px -30px rgba(15,23,42,.55),0 30px 60px -36px rgba(var(--acc),.7)}
.kb-fan__item--1{z-index:3;transform:translate(-50%,-50%)}
.kb-fan__item--2{z-index:2;transform:translate(-118%,-45%) rotate(-10deg)}
.kb-fan__item--3{z-index:1;transform:translate(18%,-45%) rotate(10deg)}
.kb-hero:hover .kb-fan__item--1{transform:translate(-50%,-53%) scale(1.03)}
.kb-hero:hover .kb-fan__item--2{transform:translate(-128%,-46%) rotate(-14deg)}
.kb-hero:hover .kb-fan__item--3{transform:translate(28%,-46%) rotate(14deg)}

/* Document hero */
.kb-hero--doc{grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:40px;padding:44px 56px 56px}
.kb-hero--doc .kb-hero__title{color:#0b0b0c;font-size:clamp(32px,3.5vw,52px);line-height:1.06;letter-spacing:-.04em}
.kb-hero--doc .kb-hero__lead{margin-top:18px}
.kb-crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0 0 28px;padding:0;list-style:none;color:#5b6170;font:500 13.5px/1.4 Inter,system-ui,sans-serif}
.kb-crumbs li{display:inline-flex;align-items:center;gap:6px;min-width:0}
.kb-crumbs li+li::before{content:"/";color:#b4b8c2}
.kb-crumbs a{color:#5b6170;text-decoration:none;transition:color .2s}
.kb-crumbs a:hover{color:#003cfb}
.kb-crumbs [aria-current]{max-width:46ch;overflow:hidden;color:#0b0b0c;text-overflow:ellipsis;white-space:nowrap}
.kb-hero__tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.kb-hero--doc .kb-tag{height:30px;padding:0 13px 0 11px;background:#fff;box-shadow:0 0 0 1px rgba(15,23,42,.06);font-size:13px}
.kb-facts-row{display:flex;flex-wrap:wrap;gap:12px 24px;margin:26px 0 0;padding:0;list-style:none}
.kb-facts-row li{display:inline-flex;align-items:center;gap:9px;color:#2b2f3a;font:500 15px/1.3 Inter,system-ui,sans-serif}
.kb-facts-row .kb-i{width:18px;height:18px;color:rgb(var(--acc))}
.kb-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px;margin-top:34px}
.kb-book{position:relative;width:min(80%,330px);transform:rotateY(-24deg) rotateX(7deg) rotateZ(-1.5deg);transform-style:preserve-3d;transition:transform 1.1s var(--kb-ease,ease)}
.kb-hero--doc:hover .kb-book{transform:rotateY(-12deg) rotateX(4deg) rotateZ(-.5deg)}
.kb-book .kb-cover{z-index:1;border-radius:3px 9px 9px 3px;box-shadow:0 0 0 1px rgba(15,23,42,.06),0 60px 90px -36px rgba(15,23,42,.55),0 40px 70px -40px rgba(var(--acc),.75)}
.kb-book::before,.kb-book::after{content:"";position:absolute;border-radius:3px 9px 9px 3px;background:linear-gradient(90deg,#d9dbe0,#fff 18%,#eceef1);box-shadow:0 0 0 1px rgba(15,23,42,.06)}
.kb-book::before{inset:6px -9px -6px 9px;transform:translateZ(-10px)}
.kb-book::after{inset:12px -17px -11px 17px;transform:translateZ(-20px);opacity:.85}
.kb-book__pages{display:none}
.kb-book__badge{position:absolute;bottom:4%;left:50%;z-index:2;translate:-50% 0;padding:10px 16px;border-radius:100px;background:#0b0b0c;color:#fff;font:600 13px/1 Inter,system-ui,sans-serif;white-space:nowrap;box-shadow:0 14px 30px -12px rgba(0,0,0,.55)}

/* Library */
.kb-lib{position:relative}
.kb-bar{position:relative;display:grid;grid-template-columns:minmax(0,1fr);gap:18px;padding:22px;border-radius:26px;background:radial-gradient(80% 140% at 100% 0%,rgba(0,60,251,.28),transparent 60%),linear-gradient(180deg,#18181b,#0b0b0c);box-shadow:0 30px 60px -36px rgba(0,0,0,.55);color:#fff}
.kb-search{position:relative;margin:0}
.kb-search__field{display:flex;align-items:center;gap:12px;height:64px;padding:0 54px 0 22px;border-radius:18px;background:#26262b;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);transition:box-shadow .3s,background-color .3s;cursor:text}
.kb-search__field:focus-within{background:#2c2c32;box-shadow:inset 0 0 0 2px #3d6bff,0 0 0 6px rgba(0,60,251,.22)}
.kb-search__field .kb-i{width:22px;height:22px;color:rgba(255,255,255,.55)}
.kb-search input{flex:1;min-width:0;height:100%;margin:0;padding:0;border:0;background:none;box-shadow:none;color:#fff;font:500 17px/1 Inter,system-ui,sans-serif;letter-spacing:-.01em;outline:0;-webkit-appearance:none;appearance:none}
html .kb-search input[type=search]{flex:1;width:auto;min-width:0;height:100%;min-height:0;margin:0!important;padding:0!important;border:0!important;border-radius:0!important;background:none!important;box-shadow:none!important;color:#fff!important;outline:0!important}
.kb-search input::placeholder{color:rgba(255,255,255,.45);opacity:1}
.kb-search input::-webkit-search-cancel-button{display:none}
.kb-search__clear{position:absolute;top:50%;right:12px;display:grid;place-items:center;width:38px;height:38px;border:0;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;translate:0 -50%;cursor:pointer}
.kb-search__clear:hover{background:rgba(255,255,255,.2)}
.kb-search__clear .kb-i{width:16px;height:16px}
.kb-filters{display:grid;grid-template-columns:minmax(0,1fr);gap:12px;min-width:0}
.kb-filter{display:flex;align-items:flex-start;gap:14px;min-width:0}
.kb-filter__label{flex:0 0 56px;padding-top:14.5px;color:rgba(255,255,255,.5);font:600 11.5px/1 Inter,system-ui,sans-serif;letter-spacing:.14em;text-transform:uppercase}
.kb-filter__chips{display:flex;flex-wrap:wrap;gap:8px;min-width:0}
.kb-chip{display:inline-flex;flex:none;align-items:center;gap:8px;height:40px;padding:0 8px 0 15px;border:0;border-radius:100px;background:rgba(255,255,255,.07);box-shadow:inset 0 0 0 1px rgba(255,255,255,.1);color:#fff;font:500 14px/1 Inter,system-ui,sans-serif;letter-spacing:-.01em;cursor:pointer;transition:background-color .25s,box-shadow .25s,color .25s,opacity .25s}
.kb-chip:hover{background:rgba(255,255,255,.14)}
.kb-chip.is-active{background:#fff;color:#0b0b0c;box-shadow:0 10px 24px -12px rgba(0,0,0,.6)}
.kb-chip:disabled{opacity:.32;cursor:default}
.kb-chip__n{min-width:24px;padding:5px 7px;border-radius:100px;background:rgba(255,255,255,.12);font-size:12px;font-weight:600;line-height:1;text-align:center}
.kb-chip.is-active .kb-chip__n{background:#003cfb;color:#fff}
.kb-chip__n:empty{display:none}
.kb-chip:has(.kb-chip__n:empty){padding-right:15px}
.kb-lib__head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:30px 0 18px}
.kb-lib__count{margin:0;color:#5b6170;font:500 15px/1 Inter,system-ui,sans-serif}
.kb-lib__count strong{color:#0b0b0c;font-weight:700}
.kb-reset{padding:6px 0;border:0;background:none;color:#003cfb;font:600 14px/1 Inter,system-ui,sans-serif;text-decoration:underline;text-underline-offset:4px;cursor:pointer}
.kb-empty{padding:64px 24px;border-radius:26px;background:#f5f6f8;text-align:center;font:400 16px/1.6 Inter,system-ui,sans-serif;color:#3c4150}
.kb-empty p{margin:0}
.kb-empty__title{margin-bottom:8px!important;color:#0b0b0c;font:700 24px/1.2 Inter,system-ui,sans-serif!important;letter-spacing:-.02em}
.kb-empty__actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:24px}
.kb-empty-note{color:#5b6170}

/* Cards */
.kb-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin:0;padding:0;list-style:none}
.kb-grid[hidden],.kb-lib [hidden],.kb-viewer [hidden]{display:none!important}
.kb-card{--acc:0,60,251;position:relative;display:flex;flex-direction:column;min-width:0;border-radius:22px;background:#fff;box-shadow:0 0 0 1px rgba(15,23,42,.07),0 18px 40px -30px rgba(15,23,42,.35);transition:transform .6s var(--kb-ease,ease),box-shadow .6s var(--kb-ease,ease)}
.kb-card[hidden]{display:none}
.kb-card:hover{transform:translateY(-6px);box-shadow:0 0 0 1px rgba(var(--acc),.35),0 34px 60px -32px rgba(var(--acc),.6)}
.kb-card:has(.kb-card__link:focus-visible){outline:3px solid rgba(0,60,251,.5);outline-offset:3px}
.kb-card__media{position:relative;display:flex;align-items:flex-end;justify-content:center;aspect-ratio:4/3.25;padding-top:26px;overflow:hidden;border-radius:22px 22px 0 0;background:radial-gradient(90% 80% at 50% 108%,rgba(var(--acc),.3),transparent 62%),linear-gradient(180deg,#f3f4f7,#eaecf1)}
.kb-card__media::after{content:"";position:absolute;inset:auto 0 0;height:1px;background:rgba(15,23,42,.06)}
.kb-card__media .kb-cover{width:54%;border-radius:4px 4px 0 0;transform:translateY(14%) rotate(-2.5deg);transform-origin:50% 100%;transition:transform .8s var(--kb-ease,ease)}
.kb-card:hover .kb-card__media .kb-cover{transform:translateY(5%) rotate(0deg) scale(1.04)}
.kb-card__body{display:flex;flex:1;flex-direction:column;gap:10px;padding:18px 20px 22px}
.kb-card__tags{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.kb-card__title{margin:2px 0 0;color:#0b0b0c;font:700 17px/1.3 Inter,system-ui,sans-serif;letter-spacing:-.02em;text-wrap:pretty}
.kb-card__link{color:inherit;text-decoration:none;outline:0}
.kb-card__link::after{content:"";position:absolute;inset:0;z-index:1;border-radius:inherit}
.kb-card__meta{margin:0;color:#5b6170;font:500 13.5px/1.45 Inter,system-ui,sans-serif}
.kb-card__meta span{white-space:nowrap}
.kb-card__models{margin:auto 0 0;padding-top:10px;border-top:1px solid rgba(15,23,42,.07);color:#3c4150;font:600 12px/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:.01em}
.kb-card__models span{color:#003cfb}
.kb-card__dl{position:absolute;top:14px;right:14px;z-index:2;display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:#fff;color:#0b0b0c;box-shadow:0 10px 24px -10px rgba(15,23,42,.5);opacity:0;transform:translateY(-6px);transition:opacity .35s,transform .45s var(--kb-ease,ease),background-color .2s,color .2s}
.kb-card__dl .kb-i{width:18px;height:18px}
.kb-card:hover .kb-card__dl,.kb-card__dl:focus-visible{opacity:1;transform:none}
.kb-card__dl:hover{background:#003cfb;color:#fff}
@media (hover:none){.kb-card__dl{opacity:1;transform:none}}
.kb-card.kb-in{animation:kbIn .55s var(--kb-ease,ease) both}
@keyframes kbIn{from{opacity:0;transform:translateY(12px) scale(.98)}}

/* Viewer */
.kb-viewer{position:relative;padding:24px 28px 30px;border-radius:28px;background:radial-gradient(70% 70% at 50% 0%,rgba(0,60,251,.26),transparent 70%),linear-gradient(180deg,#17171a,#0a0a0b);color:#fff;scroll-margin-top:88px;overflow:hidden}
.kb-viewer__head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 16px;min-height:50px;margin-bottom:14px}
.kb-viewer__title{margin:0;font:700 20px/1.2 Inter,system-ui,sans-serif;letter-spacing:-.02em;color:#fff}
.kb-viewer__bar{display:flex;align-items:center;gap:4px;padding:5px;border-radius:100px;background:rgba(255,255,255,.07);box-shadow:inset 0 0 0 1px rgba(255,255,255,.1)}
.kb-viewer__bar[hidden]{display:none}
.kb-vbtn{display:grid;place-items:center;width:40px;height:40px;padding:0;border:0;border-radius:50%;background:transparent;color:#fff;text-decoration:none;cursor:pointer;transition:background-color .2s,opacity .2s}
.kb-vbtn:hover{background:rgba(255,255,255,.13);color:#fff}
.kb-vbtn:disabled{opacity:.3;cursor:default}
.kb-vbtn[hidden]{display:none}
.kb-vbtn .kb-i{width:19px;height:19px}
.kb-viewer__page{display:flex;align-items:center;gap:8px;padding:0 6px;color:rgba(255,255,255,.7);font:500 14px/1 Inter,system-ui,sans-serif;white-space:nowrap}
.kb-viewer__page input{width:54px;height:32px;margin:0;padding:0;border:0;border-radius:9px;background:rgba(255,255,255,.1);color:#fff;font:600 14px/1 Inter,system-ui,sans-serif;text-align:center;-moz-appearance:textfield;appearance:textfield}
.kb-viewer__page input::-webkit-inner-spin-button,.kb-viewer__page input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.kb-viewer__sep{width:1px;height:22px;margin:0 4px;background:rgba(255,255,255,.16)}
.kb-viewer__stage{position:relative;display:flex;align-items:center;justify-content:center;min-height:min(72vh,660px)}
.kb-viewer__start{display:grid;grid-template-columns:auto minmax(0,440px);align-items:center;gap:56px;padding:20px 0}
.kb-viewer__cover{position:relative;display:block;width:clamp(170px,21vw,290px);padding:0;border:0;background:none;cursor:pointer;perspective:1200px}
.kb-viewer__cover .kb-cover{border-radius:4px;box-shadow:0 0 0 1px rgba(255,255,255,.08),0 50px 90px -30px rgba(0,0,0,.85);transform:rotateY(-14deg);transition:transform .9s var(--kb-ease,ease)}
.kb-viewer__cover:hover .kb-cover{transform:rotateY(0) scale(1.02)}
.kb-viewer__play{position:absolute;top:50%;left:50%;z-index:2;display:grid;place-items:center;width:78px;height:78px;border-radius:50%;background:#003cfb;color:#fff;translate:-50% -50%;box-shadow:0 0 0 10px rgba(0,60,251,.22),0 24px 44px -12px rgba(0,60,251,.9);transition:transform .5s var(--kb-ease,ease)}
.kb-viewer__play .kb-i{width:30px;height:30px}
.kb-viewer__cover:hover .kb-viewer__play{transform:scale(1.08)}
.kb-viewer__lead{margin:0 0 24px;color:#fff;font:700 clamp(24px,2.4vw,34px)/1.15 Inter,system-ui,sans-serif;letter-spacing:-.03em;text-wrap:balance}
.kb-viewer__note{margin:20px 0 0;color:rgba(255,255,255,.62);font:400 14.5px/1.6 Inter,system-ui,sans-serif}
.kb-viewer__note a{color:#fff;text-underline-offset:3px}
.kb-viewer.is-open .kb-viewer__start,.kb-viewer.is-loading .kb-viewer__start{display:none}
.kb-viewer__loading{display:none;align-items:center;justify-content:center;flex-wrap:wrap;gap:12px;padding:24px;color:rgba(255,255,255,.82);font:500 15px/1.5 Inter,system-ui,sans-serif;text-align:center}
.kb-viewer__loading a{color:#fff;font-weight:600}
.kb-viewer.is-loading .kb-viewer__loading{display:flex;position:absolute;inset:0}
.kb-viewer.is-error .kb-viewer__loading{display:flex;position:static}
.kb-viewer.is-error .kb-viewer__stage{flex-direction:column}
.kb-spinner{width:24px;height:24px;border:2px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:50%;animation:kbSpin .8s linear infinite}
@keyframes kbSpin{to{transform:rotate(360deg)}}
.kb-bookwrap{position:relative;flex:none;max-width:100%;margin-inline:auto;filter:drop-shadow(0 40px 50px rgba(0,0,0,.45))}
.kb-viewer.is-spread .kb-bookwrap::after{content:"";position:absolute;top:0;bottom:0;left:50%;z-index:20;width:56px;translate:-50% 0;pointer-events:none;background:linear-gradient(90deg,transparent,rgba(0,0,0,.07) 35%,rgba(0,0,0,.22) 50%,rgba(0,0,0,.07) 65%,transparent)}
.kb-book3d{margin-inline:auto}
.kb-page{background:#fff}
.kb-page__in{position:relative;width:100%;height:100%;overflow:hidden;background:#fff}
.kb-page__in img{position:relative;z-index:1;display:block;width:100%;height:100%;object-fit:contain;background:#fff}
.kb-page__in img:not([src]){visibility:hidden}
.kb-page__in::before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,#f2f3f5 30%,#fafbfc 50%,#f2f3f5 70%);background-size:300% 100%;animation:kbShimmer 1.4s linear infinite}
.kb-page__n{position:absolute;bottom:10px;left:50%;color:#9aa0ab;font:600 11px/1 Inter,system-ui,sans-serif;translate:-50% 0}
@keyframes kbShimmer{to{background-position:-150% 0}}
.kb-viewer.is-full{position:fixed;inset:0;z-index:100001;display:flex;flex-direction:column;padding:14px 20px 18px;border-radius:0;background:#0b0b0c}
.kb-viewer.is-full .kb-viewer__stage{flex:1;min-height:0}
html.kb-noscroll,html.kb-noscroll body{overflow:hidden}
/* StPageFlip core */
.stf__parent{position:relative;display:block;box-sizing:border-box;transform:translateZ(0);-ms-touch-action:pan-y;touch-action:pan-y}
.stf__wrapper{position:relative;width:100%;box-sizing:border-box}
.stf__parent canvas{position:absolute;top:0;left:0;width:100%;height:100%}
.stf__block{position:absolute;width:100%;height:100%;box-sizing:border-box;perspective:2000px}
.stf__item{display:none;position:absolute;transform-style:preserve-3d}
.stf__outerShadow,.stf__innerShadow,.stf__hardShadow,.stf__hardInnerShadow{position:absolute;top:0;left:0}

/* Document body */
.kb-cols{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,380px);align-items:start;gap:64px}
.kb-main{position:sticky;top:96px;min-width:0}
.kb-main__title,.kb-related__title{margin:0 0 20px;color:#0b0b0c;font:800 clamp(26px,2.5vw,38px)/1.12 Inter,system-ui,sans-serif;letter-spacing:-.035em}
.kb-prose{max-width:860px;color:#2b2f3a;font:400 17px/1.75 Inter,system-ui,sans-serif;letter-spacing:-.005em}
.kb-prose>*:first-child,.kb-prose .wp-block-post-content>*:first-child{margin-top:0}
.kb-prose p{margin:0 0 18px}
.kb-prose h2{margin:40px 0 14px;color:#0b0b0c;font:700 24px/1.25 Inter,system-ui,sans-serif;letter-spacing:-.025em}
.kb-prose h3{margin:30px 0 10px;color:#0b0b0c;font:700 19px/1.3 Inter,system-ui,sans-serif;letter-spacing:-.02em}
.kb-prose ul,.kb-prose ol{margin:0 0 20px;padding-left:22px}
.kb-prose li{margin:0 0 8px;padding-left:4px}
.kb-prose li::marker{color:#003cfb;font-weight:700}
.kb-prose a{color:#003cfb;text-underline-offset:3px}
.kb-prose strong{color:#0b0b0c}
.kb-prose table{width:100%;margin:0 0 24px;border-collapse:collapse;font-size:15px;line-height:1.5}
.kb-prose th,.kb-prose td{padding:10px 12px;border-bottom:1px solid rgba(15,23,42,.1);text-align:left;vertical-align:top}
.kb-prose th{color:#0b0b0c;font-weight:600}
.kb-prose .kb-note{margin:24px 0;padding:18px 20px;border-radius:16px;background:#f5f6f8;font-size:15.5px}
.kb-aside{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;min-width:0}
.kb-card-box{min-width:0;padding:24px;border-radius:22px;background:#f5f6f8;font-family:Inter,system-ui,sans-serif}
.kb-box__title{display:flex;align-items:center;gap:10px;margin:0 0 14px;color:#0b0b0c;font:700 17px/1.2 Inter,system-ui,sans-serif;letter-spacing:-.015em}
.kb-box__title .kb-i{width:19px;height:19px;color:#003cfb}
.kb-toc__list{display:grid;gap:2px;max-height:440px;margin:0 -10px;padding:0;overflow:auto;list-style:none;scrollbar-width:thin}
.kb-toc a{display:flex;align-items:baseline;justify-content:space-between;gap:14px;padding:10px;border-radius:12px;color:#0b0b0c;font:500 14.5px/1.35 Inter,system-ui,sans-serif;text-decoration:none;transition:background-color .2s,color .2s}
.kb-toc a:hover{background:#fff;color:#003cfb}
.kb-toc__p{flex:none;color:#7a8090;font-size:13px;font-variant-numeric:tabular-nums}
.kb-toc a:hover .kb-toc__p{color:#003cfb}
.kb-facts dl{margin:0 0 18px}
.kb-facts dl>div{display:grid;grid-template-columns:104px minmax(0,1fr);gap:12px;padding:11px 0;border-top:1px solid rgba(15,23,42,.08)}
.kb-facts dl>div:first-child{border-top:0;padding-top:0}
.kb-facts dt{color:#5b6170;font:500 13.5px/1.45 Inter,system-ui,sans-serif}
.kb-facts dd{margin:0;color:#0b0b0c;font:600 14.5px/1.45 Inter,system-ui,sans-serif;overflow-wrap:anywhere}
.kb-facts dd a{color:#003cfb;text-decoration:none}
.kb-facts dd a:hover{text-decoration:underline}
.kb-models{display:flex;flex-wrap:wrap;gap:6px}
.kb-models span{padding:5px 8px;border-radius:8px;background:#fff;box-shadow:0 0 0 1px rgba(15,23,42,.06);font:600 12px/1.2 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.kb-help{background:radial-gradient(90% 120% at 100% 0%,rgba(0,60,251,.35),transparent 60%),linear-gradient(180deg,#18181b,#0b0b0c);color:rgba(255,255,255,.75);font:400 15px/1.6 Inter,system-ui,sans-serif}
.kb-help p{margin:0}
.kb-help__title{margin-bottom:8px!important;color:#fff;font:700 19px/1.25 Inter,system-ui,sans-serif!important;letter-spacing:-.02em}
.kb-help__actions{display:grid;gap:10px;margin-top:20px}

/* Related */
.kb-related__head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px 24px;margin-bottom:24px}
.kb-related__title{margin:0}

/* Breakpoints: 1366 / 991 / 767 / 622 / 478 / 340 */
@media (max-width:1199px){
.kb-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.kb-grid--4 .kb-card:nth-child(4){display:none}
}
@media (max-width:991px){
.kb-wrap{--kb-gutter:40px}
.kb-section{--kb-gap:72px}
.kb-hero,.kb-hero--doc{grid-template-columns:minmax(0,1fr);gap:28px;padding:48px 40px}
.kb-hero__visual{min-height:0}
.kb-fan{height:360px}
.kb-hero--doc .kb-hero__visual{order:-1;justify-self:start;width:200px;min-height:0;perspective:1000px}
.kb-hero--doc .kb-book{width:150px}
.kb-book__badge{display:none}
.kb-cols{grid-template-columns:minmax(0,1fr);gap:40px}
.kb-main{position:static}
.kb-viewer__start{grid-template-columns:auto minmax(0,1fr);gap:36px}
}
@media (max-width:767px){
.kb-wrap{--kb-gutter:40px}
.kb-section{--kb-gap:56px}
.kb-hero,.kb-hero--doc{padding:36px 24px;border-radius:22px}
.kb-fan{height:300px}
.kb-fan__item{width:min(40%,200px)}
.kb-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.kb-grid--4 .kb-card:nth-child(4){display:flex}
.kb-bar{padding:16px;border-radius:22px}
.kb-search__field{height:58px;padding-left:18px}
.kb-search input{font-size:16px}
.kb-filter{flex-direction:column;align-items:flex-start;gap:10px;width:100%}
.kb-filter__label{flex:none;padding-top:0}
.kb-filter__chips{box-sizing:border-box;flex-wrap:nowrap;width:calc(100% + 32px);margin-inline:-16px;padding:2px 16px 4px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.kb-filter__chips::-webkit-scrollbar{display:none}
.kb-card__body{padding:16px 16px 18px}
.kb-card__title{font-size:16px}
.kb-viewer{padding:18px 14px 22px;border-radius:22px}
.kb-viewer__head{justify-content:center}
.kb-viewer__title{width:100%;text-align:center;font-size:18px}
.kb-viewer__stage{min-height:0}
.kb-viewer__start{grid-template-columns:1fr;justify-items:center;gap:26px;padding:10px 0 6px;text-align:center}
.kb-viewer__cover{width:min(62vw,240px)}
.kb-actions .kb-btn--primary,.kb-actions .kb-btn--dark{flex:1 1 100%}
}
@media (max-width:622px){
.kb-hero__lead{font-size:16.5px}
.kb-stats li{flex:1 1 calc(50% - 5px);min-width:0}
.kb-card__models{display:none}
}
@media (max-width:478px){
.kb-wrap{--kb-gutter:20px}
.kb-grid{grid-template-columns:minmax(0,1fr);gap:10px}
.kb-card{flex-direction:row;border-radius:18px}
.kb-card:hover{transform:none}
.kb-card__media{flex:0 0 104px;align-items:center;aspect-ratio:auto;min-height:128px;padding:14px 0;border-radius:18px 0 0 18px}
.kb-card__media .kb-cover{width:66%;border-radius:3px;transform:rotate(-3deg)}
.kb-card:hover .kb-card__media .kb-cover{transform:rotate(0) scale(1.04)}
.kb-card__body{gap:7px;padding:14px 16px 15px}
.kb-card__title{font-size:15.5px}
.kb-card__meta{font-size:12.5px}
.kb-card__dl{display:none}
.kb-viewer__sep{display:none}
.kb-vbtn{width:36px;height:36px}
.kb-facts dl>div{grid-template-columns:92px minmax(0,1fr)}
}
@media (max-width:340px){
.kb-card__media{flex-basis:88px}
.kb-lang{display:none}
}
@media (prefers-reduced-motion:reduce){
.kb-card,.kb-card__media .kb-cover,.kb-book,.kb-fan__item,.kb-btn{transition:none!important}
.kb-card.kb-in{animation:none}
.kb-page__in::before{animation:none}
}