.prose{max-width:760px}
.prose h2{font-family:var(--font-head);font-size:clamp(23px,2.8vw,32px);font-weight:700;letter-spacing:-0.02em;line-height:1.1;margin:46px 0 14px;color:var(--ink);text-wrap:balance}
.prose h3{font-family:var(--font-head);font-size:19px;font-weight:700;margin:30px 0 8px;color:var(--ink)}
.prose p{font-size:17px;line-height:1.78;color:var(--ink-soft);margin-bottom:18px;text-wrap:pretty}
.prose ul,.prose ol{margin:0 0 20px;padding:0;list-style:none}
.prose ul li{position:relative;padding-left:26px;margin-bottom:10px;color:var(--ink-soft);line-height:1.6}
.prose ul li::before{content:"";position:absolute;left:3px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--gold)}
.prose ol{counter-reset:st}
.prose ol li{counter-increment:st;position:relative;padding-left:40px;margin-bottom:14px;color:var(--ink-soft);line-height:1.6}
.prose ol li::before{content:counter(st);position:absolute;left:0;top:0;width:26px;height:26px;border-radius:50%;background:var(--gold-tint,#fbeedd);color:var(--gold-deep);font-family:var(--font-head);font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center}
.prose blockquote{margin:30px 0;padding:6px 0 6px 24px;border-left:3px solid var(--gold);font-family:var(--font-head);font-size:clamp(20px,2.4vw,24px);font-weight:600;color:var(--ink);line-height:1.4}
.prose strong{color:var(--ink);font-weight:700}
.prose a{color:var(--gold-deep);font-weight:600}
.prose a:hover{color:var(--ink)}
.tldr{background:var(--cream-2,#f4f0e6);border:1px solid var(--line);border-radius:var(--r-lg,20px);padding:24px 26px;margin:8px 0 4px}
.tldr .k{font-family:var(--font-head);font-size:13px;font-weight:800;letter-spacing:0.1em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:10px}
.tldr p{font-size:16.5px;line-height:1.7;color:var(--ink);margin:0}
.toc{border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin:22px 0 0;background:var(--paper,#fff)}
.toc .k{font-family:var(--font-head);font-size:12px;font-weight:800;letter-spacing:0.12em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.toc ol{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:6px 22px}
.toc a{font-size:14.5px;font-weight:600;color:var(--ink-soft);text-decoration:none}
.toc a:hover{color:var(--gold-deep)}
.method{font-size:14.5px;line-height:1.65;color:var(--muted);background:var(--cream,#f6f1e7);border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin:4px 0 22px}
.cmp-wrap{overflow-x:auto;margin:8px 0 18px;border:1px solid var(--line);border-radius:14px}
.cmp{width:100%;border-collapse:collapse;font-size:14.5px;min-width:640px}
.cmp th{text-align:left;background:var(--cream-2,#f4f0e6);font-family:var(--font-head);font-weight:700;font-size:13px;color:var(--ink);padding:12px 14px;border-bottom:1px solid var(--line)}
.cmp td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--ink-soft);vertical-align:top;line-height:1.55}
.cmp tr:last-child td{border-bottom:none}
.cmp .name{font-family:var(--font-head);font-weight:800;color:var(--ink)}
.cmp .name a{color:var(--ink)}
.cmp .name a:hover{color:var(--gold-deep)}
.crit{display:grid;grid-template-columns:40px 1fr;gap:16px;align-items:start;padding:22px 0;border-top:1px solid var(--line)}
.crit:last-of-type{border-bottom:1px solid var(--line);margin-bottom:22px}
.crit-num{font-family:var(--font-head);font-size:22px;font-weight:800;color:var(--gold-deep);line-height:1.2;letter-spacing:-0.02em}
.crit h3{margin:0 0 6px}
.crit p{margin:0;font-size:16px;line-height:1.7}
.author{display:grid;grid-template-columns:120px 1fr;gap:22px;align-items:start;border:1px solid var(--line);border-radius:18px;padding:22px;background:var(--paper,#fff);margin:10px 0 22px}
.author img{width:120px;height:140px;object-fit:cover;object-position:center 18%;border-radius:12px;display:block}
.author .k{font-family:var(--font-head);font-size:12px;font-weight:800;letter-spacing:0.12em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:6px}
.author h3{margin:0 0 8px!important}
.author p{font-size:15.5px!important;line-height:1.65!important;margin:0 0 12px!important}
.author .links{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:14px}
@media(max-width:560px){.author{grid-template-columns:1fr}.author img{width:100%;height:220px}}
.series{border:1px solid rgba(236,124,27,0.34);background:linear-gradient(135deg,var(--cream-2,#f4f0e6),var(--paper,#fff) 70%);border-radius:18px;padding:22px 24px;margin:36px 0 10px}
.series .k{font-family:var(--font-head);font-size:12px;font-weight:800;letter-spacing:0.12em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:12px}
.series ul{margin:0!important}
.series li{margin-bottom:8px!important}
.series li.cur a{color:var(--ink);pointer-events:none}
.series li.cur a::after{content:" (you are here)";font-weight:500;color:var(--muted)}
.fig{margin:26px 0;border-radius:16px;overflow:hidden;border:1px solid var(--line)}
.fig img{width:100%;display:block;aspect-ratio:16/9;object-fit:cover}
.fig figcaption{font-size:13.5px;color:var(--muted);padding:10px 14px;background:var(--cream-2,#f4f0e6)}
.faqs{margin:6px 0 4px}
.faq{border:1px solid var(--line);border-radius:14px;margin-bottom:12px;background:#fff;overflow:hidden;transition:border-color .18s,box-shadow .18s}
.faq[open]{border-color:var(--gold);box-shadow:0 6px 22px rgba(30,25,15,0.06)}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;padding:20px 22px;font-family:var(--font-head);font-size:17.5px;font-weight:700;color:var(--ink);line-height:1.35}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--gold-deep)}
.faq .q{flex:1;text-wrap:pretty}
.faq .ic{flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--gold);position:relative;transition:background .18s}
.faq .ic::before,.faq .ic::after{content:"";position:absolute;background:var(--gold-deep);border-radius:2px;top:50%;left:50%;transform:translate(-50%,-50%);transition:opacity .18s,transform .2s}
.faq .ic::before{width:11px;height:2px}
.faq .ic::after{width:2px;height:11px}
.faq[open] .ic{background:var(--gold)}
.faq[open] .ic::before,.faq[open] .ic::after{background:#fff}
.faq[open] .ic::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg)}
.faq .a{padding:0 22px 20px 22px;font-size:16px;line-height:1.72;color:var(--ink-soft);margin:0}
.faq .a a{color:var(--gold-deep);font-weight:600}

.ph-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(28px,4.5vw,64px);align-items:center}
.ph-grid .h1{font-size:clamp(32px,4.4vw,54px)!important}
@media(max-width:900px){.ph-grid{grid-template-columns:1fr}.ph-art{max-width:560px}}
.ph-art{position:relative;aspect-ratio:1/1.02;width:100%}
.ph-art .bg{position:absolute;inset:6% 4% 4% 10%;border-radius:32px;background:linear-gradient(150deg,var(--navy,#14284a),#0c1b33);overflow:hidden}
.ph-art .bg::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 15%,rgba(236,124,27,.45),transparent 45%),radial-gradient(circle at 10% 95%,rgba(236,124,27,.22),transparent 45%)}
.ph-art .ring{position:absolute;border:1.5px dashed rgba(236,124,27,.55);border-radius:50%}
.ph-art .ph{position:absolute;border-radius:22px;overflow:hidden;border:4px solid #fff;box-shadow:0 18px 50px rgba(12,27,51,.28);background:var(--cream-2,#f4f0e6)}
.ph-art .ph img{width:100%;height:100%;object-fit:cover;display:block}
.ph-chip{position:absolute;z-index:3;background:#fff;border:1px solid var(--line);border-radius:14px;padding:11px 14px;box-shadow:0 12px 32px rgba(12,27,51,.16);display:flex;flex-direction:column;gap:2px;min-width:0;animation:phFloat 6s ease-in-out infinite}
.ph-chip b{font-family:var(--font-head);font-size:clamp(17px,1.9vw,22px);font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1.1}
.ph-chip span{font-size:11.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);line-height:1.3}
.ph-chip.gold{background:var(--gold);border-color:var(--gold)}
.ph-chip.gold b,.ph-chip.gold span{color:var(--ink)}
.ph-chip.navy{background:var(--navy,#14284a);border-color:transparent}
.ph-chip.navy b{color:#fff}.ph-chip.navy span{color:rgba(255,255,255,.75)}
.ph-chip.d2{animation-delay:-2s}.ph-chip.d3{animation-delay:-4s}
.ph-pill{position:absolute;z-index:3;display:flex;align-items:center;gap:8px;background:#fff;border-radius:999px;padding:8px 14px 8px 10px;font-size:12.5px;font-weight:800;color:var(--ink);box-shadow:0 10px 26px rgba(12,27,51,.16)}
.ph-pill i{width:9px;height:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(236,124,27,.2)}
.ph-opt{position:absolute;z-index:2;left:14%;right:8%;background:#fff;border-radius:16px;padding:14px 16px;display:grid;grid-template-columns:30px 1fr auto;gap:12px;align-items:center;box-shadow:0 12px 30px rgba(12,27,51,.18)}
.ph-opt .n{width:30px;height:30px;border-radius:50%;background:var(--cream-2,#f4f0e6);font-family:var(--font-head);font-weight:800;font-size:13px;color:var(--gold-deep);display:flex;align-items:center;justify-content:center}
.ph-opt h5{margin:0;font-family:var(--font-head);font-size:15.5px;font-weight:800;color:var(--ink)}
.ph-opt p{margin:2px 0 0;font-size:12.5px;color:var(--muted);line-height:1.35}
.ph-opt .t{font-size:11.5px;font-weight:800;color:var(--muted);white-space:nowrap}
.ph-opt.on{border:2px solid var(--gold);transform:translateX(-4%)}
.ph-opt.on .n{background:var(--gold);color:var(--ink)}
.ph-opt.on .t{color:var(--gold-deep)}
@keyframes phFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@media(prefers-reduced-motion:reduce){.ph-chip{animation:none}}