.hp-final{background:var(--ink);color:#fff;text-align:center;padding:56px 0;position:relative;overflow:hidden}.hp-final:before{content:"";pointer-events:none;background:radial-gradient(50% 80% at 50% 0,#2a6fdb47,#0000 70%);position:absolute;inset:0}.hp-final>*{position:relative}.hp-final h2{letter-spacing:-.022em;color:#fff;text-wrap:balance;margin:0;font-size:clamp(32px,3.8vw,52px);font-weight:700;line-height:1.06}.hp-final__desc{color:#aeb8c4;max-width:46ch;margin:16px auto 0;font-size:19px}.hp-final__cta{flex-direction:column;align-items:center;gap:12px;margin-top:28px;display:inline-flex}.hp-final__cta .hp-note{color:#ffffffa6}.hp-final__price{color:#c4cdd8;border-top:1px solid #ffffff1f;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px 18px;max-width:560px;margin:28px auto 0;padding-top:22px;font-size:15px;display:flex}.hp-final__price b{color:#fff;font-weight:600}.hp-final__price a{color:#fff;border-bottom:1px solid #ffffff59;align-items:center;gap:6px;padding-bottom:1px;font-weight:600;display:inline-flex}.hp-final__price a:hover{color:#f3b79c;border-color:#f3b79c}@media (width<=720px){.hp-final{padding:72px 0}.hp-final__desc{font-size:17px}.hp-final__cta .hp-btn{width:100%}}.bp-hero{background:radial-gradient(60% 80% at 50% 0%,#2a6fdb12,transparent 70%),linear-gradient(180deg,var(--surface),#fff 75%);padding:28px 0 0}.bp-hero__inner{text-align:center;max-width:880px;margin:0 auto;padding:0 20px}.bp-crumbs nav ol{color:var(--muted);justify-content:center;font-size:14px}.bp-crumbs nav li:last-child{display:none}.bp-crumbs nav a{color:var(--muted)}.bp-crumbs nav a:hover{color:var(--ink)}.bp-cats{flex-wrap:wrap;justify-content:center;gap:6px 18px;margin-top:22px;display:flex}.bp-cats a:hover{color:var(--accent)}.bp-title{letter-spacing:-.025em;color:var(--ink);text-wrap:balance;margin:14px 0 0;font-size:clamp(32px,6.4vw,54px);font-weight:700;line-height:1.08}.bp-byline{color:var(--muted);flex-wrap:wrap;justify-content:center;align-items:center;gap:10px 22px;margin-top:22px;font-size:15px;display:flex}.bp-byline__who{color:var(--ink);align-items:center;gap:10px;font-weight:600;display:inline-flex}.bp-byline__who img{object-fit:cover;border-radius:50%;width:40px;height:40px}.bp-byline__who a:hover{color:var(--accent-text)}.bp-byline__when{align-items:center;gap:12px;display:inline-flex}.bp-byline__when>*+:before{content:"";background:var(--muted-2);vertical-align:middle;border-radius:50%;width:4px;height:4px;margin-right:12px;display:inline-block}.bp-hero__media{max-width:1000px;margin:36px auto 0;padding:0 20px}.bp-hero__media img{aspect-ratio:3/2;object-fit:cover;border-radius:var(--r-card);width:100%;height:auto;box-shadow:var(--sh-far);background:var(--surface);display:block}.bp-layout{max-width:1200px;margin:0 auto;padding:36px 20px 72px}.bp-main,.bp-toc{max-width:33em;font-size:18px}.bp-main{margin:0 auto}.bp-toc{border:1px solid var(--line);border-radius:var(--r-inner);background:#fff;margin:0 auto 32px}.bp-toc__label{display:none}.bp-toc__toggle{all:unset;box-sizing:border-box;width:100%;color:var(--ink);cursor:pointer;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;font-size:15px;font-weight:600;display:flex}.bp-toc__toggle:focus-visible{outline-offset:2px;border-radius:var(--r-inner);outline:3px solid #e0673a8c}.bp-toc__toggle svg{transition:transform .18s}.bp-toc.is-open .bp-toc__toggle svg{transform:rotate(180deg)}.bp-toc__list{counter-reset:toc;margin:0;padding:0 18px 14px;list-style:none;display:none}.bp-toc.is-open .bp-toc__list{display:block}.bp-toc__list li{counter-increment:toc;border-top:1px solid var(--line-soft)}.bp-toc__list a{color:var(--muted);gap:12px;padding:10px 0;font-size:15px;line-height:1.4;display:flex}.bp-toc__list a:before{content:counter(toc,decimal-leading-zero);font-family:var(--mono);color:var(--muted-2);font-size:12px;line-height:1.75}.bp-toc__list a:hover{color:var(--ink)}.bp-body{color:var(--ink-2);overflow-wrap:break-word;line-height:1.7}.bp-body>:first-child{margin-top:0}.bp-body p,.bp-body ul,.bp-body ol,.bp-body blockquote,.bp-body table,.bp-body pre{margin:0 0 1.25em}.bp-body h2,.bp-body h3,.bp-body h4{color:var(--ink);text-wrap:balance}.bp-body h2{letter-spacing:-.018em;margin:2.1em 0 .6em;font-size:1.5em;font-weight:700;line-height:1.2}.bp-body h3{letter-spacing:-.01em;margin:1.7em 0 .5em;font-size:1.22em;font-weight:700;line-height:1.3}.bp-body h4{margin:1.5em 0 .4em;font-size:1.05em;font-weight:700;line-height:1.35}.bp-body h2+h3{margin-top:.9em}.bp-body strong,.bp-body b{color:var(--ink);font-weight:700}.bp-body a:not([class]){color:var(--ink);text-underline-offset:3px;font-weight:500;text-decoration:underline 1.5px #e0673a8c;transition:color .15s,text-decoration-color .15s}.bp-body a:not([class]):hover{color:var(--accent-text);text-decoration-color:currentColor}.bp-body ul,.bp-body ol{padding-left:1.4em}.bp-body ul{list-style:outside}.bp-body ol{list-style:decimal}.bp-body li{margin:.4em 0;padding-left:.2em}.bp-body li>ul,.bp-body li>ol{margin:.4em 0 0}.bp-body li>p{margin:0 0 .5em}.bp-body ul>li::marker{color:var(--accent)}.bp-body ol>li::marker{color:var(--accent-text);font-variant-numeric:tabular-nums;font-weight:700}.bp-body blockquote{border-left:3px solid var(--accent);background:var(--surface);border-radius:0 var(--r-inner) var(--r-inner) 0;color:var(--ink);margin-left:0;margin-right:0;padding:16px 22px}.bp-body blockquote p:last-child{margin-bottom:0}.bp-body img{border-radius:var(--r-inner);border:1px solid var(--line-soft);max-width:100%;height:auto;margin:1.8em auto;display:block}.bp-body p>img:only-child{margin:0 auto}.bp-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}.bp-body code{font-family:var(--mono);background:var(--surface);border:1px solid var(--line-soft);border-radius:6px;padding:.1em .35em;font-size:.86em}.bp-body pre{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-inner);padding:16px 18px;font-size:.86em;line-height:1.55;overflow-x:auto}.bp-body pre code{font-size:inherit;background:0 0;border:0;padding:0}.bp-body table{border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:var(--r-inner);max-width:100%;font-size:15px;line-height:1.5;display:block;overflow-x:auto}.bp-body th,.bp-body td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line-soft);min-width:9em;padding:10px 14px}.bp-body th{background:var(--surface);color:var(--ink);white-space:nowrap;font-weight:700}.bp-body tr:last-child td{border-bottom:0}.bp-cta{border-radius:var(--r-card);background:radial-gradient(70% 90% at 100% 0%,#2a6fdb14,transparent 70%),var(--surface);border:1px solid var(--line-soft);margin:2.4em 0;padding:26px 24px}.bp-body .bp-cta p{margin:0}.bp-cta__title{letter-spacing:-.015em;color:var(--ink);font-size:1.3em;font-weight:700;line-height:1.2}.bp-body .bp-cta__text{color:var(--muted);margin-top:10px;font-size:.92em;line-height:1.55}.bp-cta__actions{text-align:center;flex-direction:column;align-items:stretch;gap:10px;margin-top:18px;display:flex}.bp-body .bp-cta__format{margin-top:16px;font-size:15px}.bp-body .bp-cta__format:hover{color:var(--accent-text)}.bp-author{border-top:1px solid var(--line);align-items:flex-start;gap:18px;margin-top:48px;padding-top:28px;display:flex}.bp-author__avatar{object-fit:cover;border-radius:50%;flex:none;width:64px;height:64px}.bp-author__name{color:var(--ink);flex-wrap:wrap;align-items:center;gap:6px 10px;font-size:18px;font-weight:700;display:flex}.bp-author__name a:hover{color:var(--accent-text)}.bp-author__role{letter-spacing:.08em;text-transform:uppercase;color:var(--accent-text);font-size:12px;font-weight:600}.bp-author__bio{color:var(--muted);margin:6px 0 0;font-size:15.5px;line-height:1.55}@media (width>=640px){.bp-hero{padding-top:36px}.bp-cta{padding:30px 32px}.bp-cta__actions{text-align:left;flex-direction:row;align-items:center;gap:16px}}@media (width>=720px){.bp-main,.bp-toc{font-size:19px}.bp-hero__media{margin-top:44px}}@media (width>=1120px){.bp-layout{grid-template-columns:minmax(0,1fr) minmax(0,33em) minmax(0,1fr);column-gap:56px;padding-top:56px;font-size:19px;display:grid}.bp-main{grid-column:2;max-width:none;margin:0}.bp-toc{width:100%;max-width:240px;top:calc(var(--hdr-h) + 24px);max-height:calc(100vh - var(--hdr-h) - 48px);scrollbar-width:thin;background:0 0;border:0;grid-area:1/1;justify-self:end;margin:0;font-size:16px;position:sticky;overflow-y:auto}.bp-toc__toggle{display:none}.bp-toc__label{letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);padding:0 0 10px;font-size:12px;font-weight:600;display:block}.bp-toc__list,.bp-toc.is-open .bp-toc__list{padding:0;display:block}.bp-toc__list li{border-top:0}.bp-toc__list a{padding:7px 0;font-size:14px}}