/* vt: design CSS used by this page (tools/page_css.cjs), loaded only on this page */
a:not([class]):hover{color:inherit}
@property --ang{syntax:'<angle>';inherits:false;initial-value:0deg}
@property --n{syntax:'<integer>';inherits:false;initial-value:0}
.btn{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:500;text-decoration:none;transition:transform .35s cubic-bezier(.2,.7,.1,1),background-color .25s,color .25s,box-shadow .35s}
.btn:hover{transform:translateY(-2px)}
.btn svg{transition:transform .35s cubic-bezier(.2,.7,.1,1)}
.btn:hover svg{transform:translateX(4px)}
@media (max-width: 760px){
  #znanje{padding-bottom:72px !important}
}
@property --dent{syntax:'<length>';inherits:true;initial-value:0px}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:#8e8e93}
.crumbs a{color:#a1a1a6;text-decoration:none}
.crumbs a:hover{color:#f5f4f1}
.crumbs [aria-current]{color:#f5f4f1}
.xa{background:#ffffff;color:#1d1d1f}
.xa .wrap{max-width:1180px}
.xa-hero{background:#0a0a0b;color:#f5f4f1}
.xa-progress{position:fixed;left:0;top:0;z-index:200;height:3px;width:100%;background:linear-gradient(90deg,#ff9a5c,#f26322);transform-origin:0 50%;transform:scaleX(var(--rp,0))}
.xa-hero{position:relative;overflow:hidden;padding:128px 0 150px;background:#0a0a0b;color:#f5f4f1}
.xa-hero-bg{position:absolute;inset:-40px;z-index:0;opacity:.35}
.xa-hero-bg img{width:100%;height:100%;object-fit:cover;filter:blur(40px) saturate(1.3)}
.xa-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,11,.55),#0a0a0b 92%)}
.xa-hero-in{position:relative;z-index:1;display:flex;flex-direction:column;align-items:flex-start;gap:22px;max-width:980px}
.xa-h1{margin:0;font-size:clamp(38px,5vw,72px);line-height:1.02;letter-spacing:-0.045em;font-weight:600;color:#f5f4f1;text-wrap:balance}
.xa-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;font-size:14.5px;color:#a1a1a6}
.xa-meta img{width:46px;height:46px;border-radius:50%;object-fit:cover;box-shadow:0 0 0 2px rgba(242,99,34,.7)}
.xa-read{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:rgba(245,244,241,.08);border:1px solid rgba(245,244,241,.14);color:#f5f4f1;font-weight:600}
.xa-read svg{width:16px;height:16px;fill:none;stroke:#ff9a62;stroke-width:2;stroke-linecap:round}
.xa-cover-w{position:relative;z-index:2;margin-top:-110px}
.xa-cover{margin:0;overflow:hidden;border-radius:30px;aspect-ratio:16/8;box-shadow:0 60px 100px -50px rgba(0,0,0,.55)}
.xa-cover img{display:block;width:100%;height:100%;object-fit:cover}
.motion .xa-cover img{animation:xaKen 18s ease-out both}
@keyframes xaKen{from{transform:scale(1.08)}}
.xa-body{padding:70px 0 40px}
.xa-grid{display:grid;grid-template-columns:280px minmax(0,1fr);gap:64px;align-items:start}
.xa-rail{position:sticky;top:110px}
.xa-rail-in{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.xa-rail-k{margin:0 0 6px;font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#86868b}
.xa-toc-l{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px;width:100%;border-left:2px solid #ececf0}
.xa-toc-l a{display:block;padding:11px 14px 11px 18px;margin-left:-2px;border-left:3px solid transparent;border-radius:0 12px 12px 0;color:#6e6e73;font-size:16px;font-weight:500;line-height:1.35;text-decoration:none;transition:color .25s,border-color .25s,background .25s}
.xa-toc-l a:hover{color:#1d1d1f;background:#f5f5f7}
.xa-toc-l a.on{color:#c2410c;font-weight:650;border-left-color:#f26322;background:#fff1e8}
.xa-text{max-width:720px;font-size:18.5px;line-height:1.78;color:#3a3a3d}
.xa-text p{margin:0 0 24px}
.xa-lead{font-size:23px !important;line-height:1.55 !important;color:#1d1d1f;letter-spacing:-0.012em}
.xa-lead::first-letter{float:left;margin:8px 14px 0 0;font-family:'Instrument Serif','Instrument Serif Fallback',Georgia,serif;font-size:84px;line-height:.78;color:#f26322}
.xa-text h2{margin:60px 0 18px;font-size:clamp(26px,2.4vw,32px);line-height:1.18;letter-spacing:-0.03em;color:#1d1d1f;scroll-margin-top:110px}
.xa-ol{list-style:none;counter-reset:xo;margin:0 0 26px;padding:0;display:flex;flex-direction:column;gap:14px}
.xa-ol li{counter-increment:xo;position:relative;padding:18px 20px 18px 62px;border-radius:18px;background:#f5f5f7}
.xa-ol li::before{content:counter(xo);position:absolute;left:18px;top:16px;display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#f26322;color:#ffffff;font-size:14px;font-weight:700}
.xa-ul{list-style:none;margin:0 0 26px;padding:0;display:flex;flex-direction:column;gap:10px}
.xa-ul li{position:relative;padding-left:30px}
.xa-ul li::before{content:"";position:absolute;left:4px;top:.6em;width:11px;height:11px;border-radius:3px;background:#f26322;transform:rotate(45deg)}
.xa-fig{margin:40px -80px 44px}
.xa-fig button{position:relative;display:block;width:100%;padding:0;border:0;border-radius:24px;overflow:hidden;background:#f5f5f7;cursor:zoom-in;box-shadow:0 0 0 1px rgba(0,0,0,.05),0 40px 80px -50px rgba(0,0,0,.45)}
.xa-fig img{display:block;width:100%;height:auto;transition:transform 1s cubic-bezier(.2,.7,.1,1)}
.xa-fig button:hover img{transform:scale(1.025)}
.xa-zoom{position:absolute;right:16px;bottom:16px;display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:rgba(10,10,11,.75);opacity:0;transform:scale(.8);transition:opacity .3s,transform .3s}
.xa-zoom svg{width:18px;height:18px;fill:none;stroke:#ffffff;stroke-width:2;stroke-linecap:round}
.xa-fig button:hover .xa-zoom{opacity:1;transform:none}
.xa-author-img img{display:block;width:150px;height:150px;object-fit:cover;object-position:50% 35%;border-radius:44% 56% 52% 48% / 50% 44% 56% 50%;transform:scale(1);box-shadow:0 20px 40px -20px rgba(0,0,0,.4)}
.xa-author{display:grid;grid-template-columns:150px minmax(0,1fr);gap:26px;align-items:center;margin-top:30px;padding-top:34px;border-top:1px solid #e5e5ea}
.xa-author b{display:block;font-size:22px;color:#1d1d1f}
.xa-author p{margin:6px 0 10px;font-size:16px !important;line-height:1.6}
.xa-author a{font-weight:600;color:#c2410c;text-decoration:none}
.xa-pill{position:fixed;left:24px;bottom:24px;z-index:60;display:flex;align-items:center;gap:10px;padding:8px 16px 8px 8px;border-radius:999px;background:rgba(10,10,11,.88);color:#f5f4f1;font-size:13.5px;font-weight:600;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 20px 40px -20px rgba(0,0,0,.6)}
.xa-pill svg{width:30px;height:30px;transform:rotate(-90deg)}
.xa-pill circle{fill:none;stroke-width:3.5}
.xa-pill .bg{stroke:rgba(245,244,241,.15)}
.xa-pill .fg{stroke:#f26322;stroke-linecap:round;stroke-dasharray:94.25;stroke-dashoffset:calc(94.25 * (1 - var(--rp,0)))}
.xa-lb{position:fixed;inset:0;z-index:300;display:grid;place-items:center;padding:40px;background:rgba(10,10,11,.92);cursor:zoom-out;animation:xaFade .3s ease}
.xa-lb img{max-width:min(1400px,100%);max-height:88vh;border-radius:14px;box-shadow:0 40px 100px -30px rgba(0,0,0,.8);cursor:default;animation:xaZoom .4s cubic-bezier(.2,.8,.2,1)}
.xa-lb button{position:absolute;right:24px;top:24px;width:48px;height:48px;border-radius:50%;border:0;background:#f5f4f1;font-size:26px;line-height:1;cursor:pointer}
@keyframes xaFade{from{opacity:0}}
@keyframes xaZoom{from{transform:scale(.92);opacity:0}}
@media (max-width: 900px){
  .xa-hero{padding:100px 0 44px}
  .xa-grid{grid-template-columns:minmax(0,1fr)}
  .xa-hero{padding:100px 0 110px}
  .xa-cover-w{margin-top:-80px}
  .xa-cover{border-radius:20px;aspect-ratio:16/10}
  .xa-rail{position:static}
  .xa-rail{display:none}
  .xa-author{grid-template-columns:96px minmax(0,1fr);gap:18px}
  .xa-author-img img{width:96px;height:96px}
  .xa-rail-in{flex-direction:row;flex-wrap:wrap;align-items:center}
  .xa-rail-k{margin-top:0}
  .xa-fig{margin:28px -6px 30px}
  .xa-text{font-size:17.5px}
  .xa-lead{font-size:20px !important}
  .xa-pill{left:12px;bottom:12px}
  .xa-author{grid-template-columns:90px minmax(0,1fr)}
}
.zh-row{position:relative}
.zh-row a{position:relative;z-index:0}
.zh-row:hover a,.zh-row.on a{z-index:3}
.vt-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:#f26322;color:#ffffff;font-weight:600;text-decoration:none}
.vt-chip em{font-size:17px;color:#2a1206}
.vt-fig{margin:36px 0 40px}
.vt-fig img{max-height:620px;object-fit:contain;background:#f5f5f7}
.vt-faq{margin-top:64px;padding-top:8px}
.vt-faq h2{margin-bottom:20px !important}
.vt-q{border-bottom:1px solid #e5e5ea}
.vt-q:first-of-type{border-top:1px solid #e5e5ea}
.vt-q button{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;padding:20px 2px;border:0;background:none;font:inherit;font-size:18px;font-weight:600;color:#1d1d1f;text-align:left;cursor:pointer}
.vt-q i{flex:none;display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#f5f5f7;font-style:normal;font-size:20px;color:#c2410c;transition:transform .35s,background .3s}
.vt-q.on i{transform:rotate(45deg);background:#fff1e8}
.vt-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .4s cubic-bezier(.2,.7,.1,1)}
.vt-a>p{overflow:hidden;margin:0 !important;font-size:16.5px !important;color:#515154}
.vt-q.on .vt-a{grid-template-rows:1fr}
.vt-q.on .vt-a>p{padding-bottom:22px}
.vt-seg{display:flex;flex-direction:column;gap:10px;width:min(100%,640px);margin-top:6px}
.vt-seg-k{font-size:13.5px;color:#a1a1a6}
.vt-seg-bar{display:flex;gap:4px}
.vt-seg-bar a{position:relative;flex:1;height:8px;border-radius:4px;background:rgba(245,244,241,.16);transition:background .25s,transform .25s}
.vt-seg-bar a.done{background:rgba(242,99,34,.55)}
.vt-seg-bar a.on{background:#f26322;box-shadow:0 0 0 3px rgba(242,99,34,.25)}
.vt-seg-bar a:hover{background:#f5f4f1;transform:scaleY(1.5)}
.vt-seg-bar span{position:absolute;left:50%;bottom:16px;z-index:5;padding:6px 10px;border-radius:8px;background:#f5f4f1;color:#0a0a0b;font-size:12.5px;font-weight:600;white-space:nowrap;opacity:0;transform:translate(-50%,4px) scaleY(.67);pointer-events:none;transition:opacity .2s,transform .2s}
.vt-seg-bar a:hover span{opacity:1;transform:translate(-50%,0) scaleY(.67)}
.vt-more{padding:20px 0 100px;overflow:hidden}
.vt-more-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px 40px;margin-bottom:30px}
.vt-more-head .pp-h2{margin:6px 0 0}
.vt-more .zh-all{font-weight:600;color:#c2410c;text-decoration:none}
.vt-next{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);overflow:hidden;border-radius:30px;background:#0a0a0b;color:#f5f4f1;text-decoration:none;transition:transform .4s cubic-bezier(.2,.7,.1,1)}
.vt-next:hover{transform:translateY(-4px)}
.vt-next-img{display:block;min-height:300px;overflow:hidden}
.vt-next-img img{display:block;width:100%;height:100%;object-fit:cover;transition:transform 1s cubic-bezier(.2,.7,.1,1)}
.vt-next:hover .vt-next-img img{transform:scale(1.05)}
.vt-next-in{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:12px;padding:40px 44px}
.vt-next-in small{font-size:13.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:#ff9a62}
.vt-next-in b{font-size:clamp(28px,3vw,40px);line-height:1.08;letter-spacing:-0.035em}
.vt-next-in span{font-size:16.5px;line-height:1.55;color:#a1a1a6}
.vt-next-in em{margin-top:6px;font-style:normal;font-weight:600;color:#ff9a62}
.vt-strip{display:flex;gap:14px;margin-top:22px;padding-bottom:10px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:thin}
.vt-card{flex:none;display:flex;flex-direction:column;gap:6px;width:190px;scroll-snap-align:start;color:#1d1d1f;text-decoration:none}
.vt-card-img{position:relative;display:block;aspect-ratio:4/3;overflow:hidden;border-radius:18px;background:#f5f5f7}
.vt-card-img img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.1,1)}
.vt-card:hover .vt-card-img img{transform:scale(1.06)}
.vt-card-img i{position:absolute;left:10px;top:10px;padding:4px 10px;border-radius:999px;background:#f26322;color:#ffffff;font-style:normal;font-size:12px;font-weight:700}
.vt-card em{font-size:20px;line-height:1;color:#f26322}
.vt-card b{font-size:15px;line-height:1.3;letter-spacing:-0.01em}
.vt-card.done{opacity:.55}
.vt-card.on .vt-card-img{box-shadow:0 0 0 3px #f26322}
@media (max-width: 900px){
  .vt-next{grid-template-columns:minmax(0,1fr)}
  .vt-next-img{min-height:200px;max-height:240px}
  .vt-next-in{padding:26px 24px 30px}
  .vt-card{width:150px}
  .vt-more{padding-bottom:70px}
  .vt-q button{font-size:16.5px}
}
.zh-all{font-weight:600;color:#c2410c;text-decoration:none;white-space:nowrap}
.zh-all:hover{text-decoration:underline}
@keyframes bookFloat{0%,100%{translate:0 0}50%{translate:0 -10px}}
@keyframes count{from{--n:0}to{--n:var(--to)}}
@keyframes zoomin{from{transform:scale(.86);opacity:0}to{transform:scale(1);opacity:1}}

@supports (animation-timeline: view()){
  .motion .zoom{animation:zoomin linear both;animation-timeline:view();animation-range:entry 10% cover 40%}
}