:root{--piping-velvet: #5a1b2e;--piping-gilt: #c9a227;--piping-frost: #e9a6bc;--piping-royal: #1b1418;--piping-royal-deep: #120d10;--piping-royal-lift: #241a20;--piping-cream: #f4ece6;--piping-muted: #b09a94;--piping-hair: 1px;--piping-rule: 1px solid rgba(201, 162, 39, .42);--piping-rule-soft: 1px solid rgba(201, 162, 39, .2);--piping-measure: 1240px;--piping-shelf: 34px;--piping-serif: "Playfair Display", "Songti SC", "Noto Serif SC", Georgia, serif;--piping-sans: "Lato", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(1200px 620px at 50% -10%,#5a1b2e8c,#0000 70%),linear-gradient(180deg,var(--piping-royal) 0%,var(--piping-royal-deep) 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11px;font-size:12px;letter-spacing:.12em;text-transform:uppercase}.lang-switch a[aria-current=true]{background:var(--piping-gilt);color:var(--piping-royal)}.piping-canvas{position:relative;min-height:calc(100vh - 62px);display:grid;grid-template-columns:74px 1fr 74px;border-bottom:var(--piping-rule);overflow:hidden}.piping-canvas:before{content:"";position:absolute;inset:0;background:radial-gradient(760px 760px at 50% 44%,#e9a6bc17,#0000 68%),repeating-linear-gradient(90deg,#c9a2270d 0 1px,#0000 1px 46px);pointer-events:none}.tip-rail{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:13px;padding:26px 0;border-right:var(--piping-rule-soft)}.tip-rail--right{border-right:0;border-left:var(--piping-rule-soft)}.tip-rail__label{writing-mode:vertical-rl;font-size:10.5px;letter-spacing:.36em;text-transform:uppercase;color:var(--piping-gilt)}.tip-rail__tick{font-family:var(--piping-serif);font-size:14px;color:var(--piping-cream);padding:3px 6px;border:1px solid rgba(201,162,39,.24);min-width:34px;text-align:center}.tip-rail__tick:hover{border-color:var(--piping-gilt);color:var(--piping-gilt)}.canvas-stage{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:46px 30px 34px;text-align:center}.piping-canvas h1{font-size:clamp(30px,4.4vw,54px);max-width:20ch;margin:0 auto 12px}.piping-canvas h1 em{font-style:italic;color:var(--piping-gilt)}.canvas-lede{max-width:62ch;margin:0 auto 26px;color:#d9cfcb}.rosette-carousel{position:relative;width:min(430px,74vw);aspect-ratio:1;margin:0 auto}.rosette-card{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transform:scale(.94);transition:opacity .85s ease,transform 1.1s ease;pointer-events:none}.rosette-card.is-awning{opacity:1;transform:none;pointer-events:auto}.rosette-card svg{width:100%;height:auto}.rosette-card :is(path,circle,polygon,line,ellipse){stroke-dasharray:2000;stroke-dashoffset:2000}.rosette-card.is-awning :is(path,circle,polygon,line,ellipse){animation:piping-frost-draw 2.6s cubic-bezier(.22,.68,.2,1) forwards}.rosette-card.is-awning :is(path,circle):nth-of-type(2n){animation-delay:.16s}.rosette-card.is-awning :is(path,circle):nth-of-type(3n){animation-delay:.34s}@keyframes piping-frost-draw{to{stroke-dashoffset:0}}@media(prefers-reduced-motion:reduce){.rosette-card 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10px}.piping-band--tight{padding-top:46px}.band-head{display:flex;align-items:flex-end;gap:20px;margin-bottom:28px}.band-head h2{font-size:clamp(24px,3vw,36px)}.band-head__note{color:var(--piping-muted);font-size:14px;max-width:46ch;margin-left:auto;text-align:right}.technique-stack{display:grid;gap:40px}.family-block{border-top:var(--piping-rule);padding-top:22px}.family-block__head{display:flex;align-items:baseline;gap:14px;margin-bottom:18px}.family-block__head h3{font-size:21px}.family-block__count{font-size:12px;letter-spacing:.2em;color:var(--piping-gilt);text-transform:uppercase}.rosette-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(278px,1fr));gap:22px}.rosette-plate{display:grid;grid-template-columns:96px 1fr;gap:16px;padding:16px;border:var(--piping-rule);background:linear-gradient(160deg,#5a1b2e3d,#120d1033);transition:border-color .25s ease,background .25s ease;height:100%}.rosette-plate:hover{border-color:var(--piping-gilt);background:linear-gradient(160deg,#5a1b2e66,#120d1047)}.rosette-plate__art{border-right:var(--piping-rule-soft);padding-right:12px}.rosette-plate__title{font-family:var(--piping-serif);font-size:17.5px;margin-bottom:6px}.rosette-plate__title a{color:var(--piping-cream)}.rosette-plate__title a:hover{color:var(--piping-gilt)}.rosette-plate__line{font-size:13px;color:var(--piping-muted);margin:0 0 8px}.chip-row{display:flex;flex-wrap:wrap;gap:7px}.chip{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;border:1px solid rgba(201,162,39,.34);padding:2px 8px;color:var(--piping-frost)}.chip--gilt{color:var(--piping-gilt)}.gilt-footer{border-top:var(--piping-rule);margin-top:84px;padding:40px 0 70px;font-size:13.5px;color:var(--piping-muted)}.gilt-footer__grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}.gilt-footer h4{font-size:13px;letter-spacing:.2em;text-transform:uppercase;color:var(--piping-gilt);margin-bottom:10px;font-family:var(--piping-sans)}.gilt-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}.gilt-footer a{color:var(--piping-cream)}.gilt-footer__legal{margin-top:30px;padding-top:18px;border-top:var(--piping-rule-soft);display:flex;gap:18px;flex-wrap:wrap}.gilt-footer__disclaimer{margin:14px 0 0;max-width:92ch;font-size:12.5px;line-height:1.6;color:var(--piping-muted)}.radial-menu{position:fixed;right:26px;bottom:26px;z-index:60}.radial-menu__trigger{width:58px;height:58px;border-radius:50%;border:1px solid var(--piping-gilt);background:var(--piping-royal);color:var(--piping-gilt);font-family:var(--piping-serif);font-size:12px;letter-spacing:.08em;cursor:pointer;display:grid;place-items:center;transition:background .2s ease,transform .2s ease}.radial-menu__trigger:hover{background:var(--piping-velvet);transform:rotate(12deg)}.radial-menu__trigger span{display:block;line-height:1}.radial-menu__ring{position:absolute;inset:-6px;pointer-events:none}.radial-menu.is-open .radial-menu__ring{pointer-events:auto}.radial-menu__spoke{position:absolute;right:6px;bottom:6px;width:46px;height:46px;border-radius:50%;border:1px solid rgba(201,162,39,.5);background:#1b1418f5;color:var(--piping-cream);font-size:10.5px;letter-spacing:.06em;display:grid;place-items:center;text-align:center;opacity:0;transform:translate(0) scale(.5);transition:transform .32s cubic-bezier(.2,.8,.3,1),opacity .24s ease;transition-delay:calc(var(--spoke) * 26ms)}.radial-menu.is-open .radial-menu__spoke{opacity:1;transform:translate(var(--rx),var(--ry)) scale(1)}.radial-menu__spoke:hover{border-color:var(--piping-gilt);color:var(--piping-gilt)}.technique-masthead{padding:48px 0 30px;border-bottom:var(--piping-rule)}.technique-masthead h1{font-size:clamp(28px,4vw,46px);max-width:26ch}.technique-masthead__tag{color:var(--piping-frost);font-size:17px;margin:14px 0 0;max-width:64ch;font-family:var(--piping-serif);font-style:italic}.spec-sheet{display:grid;grid-template-columns:repeat(auto-fit,minmax(152px,1fr));border:var(--piping-rule);margin-top:26px}.spec-sheet__cell{padding:14px 16px;border-right:var(--piping-rule-soft)}.spec-sheet__cell:last-child{border-right:0}.spec-sheet dt{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--piping-gilt);margin-bottom:5px}.spec-sheet dd{margin:0;font-size:15px}.piping-byline{margin:16px 0 0;font-size:13px;letter-spacing:.06em;color:var(--piping-gilt)}.step-gallery{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:30px var(--piping-shelf) 34px;margin:0 calc(var(--piping-shelf) * -1);scrollbar-width:thin;scrollbar-color:var(--piping-gilt) rgba(0,0,0,0)}.step-gallery::-webkit-scrollbar{height:5px}.step-gallery::-webkit-scrollbar-thumb{background:#c9a22780}.bag-pressure{scroll-snap-align:center;flex:0 0 min(560px,88vw);border:var(--piping-rule);background:var(--piping-royal);display:flex;flex-direction:column}.bag-pressure__figure{border-bottom:var(--piping-rule-soft)}.bag-pressure__body{padding:20px 22px 24px}.bag-pressure__index{font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--piping-gilt)}.bag-pressure__title{font-family:var(--piping-serif);font-size:22px;margin:6px 0 10px}.bag-pressure__notes{display:grid;gap:12px;margin-top:16px;padding-top:14px;border-top:var(--piping-rule-soft)}.bag-pressure__note{display:grid;grid-template-columns:92px 1fr;gap:12px;font-size:13.5px}.bag-pressure__note b{font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--piping-gilt);font-weight:400;padding-top:3px}.piping-columns{display:grid;grid-template-columns:1.55fr 1fr;gap:46px;align-items:start}.piping-prose h2{font-size:25px;margin:38px 0 12px}.piping-prose h2:first-child{margin-top:0}.piping-prose section{border-top:var(--piping-rule-soft);padding-top:18px;margin-top:26px}.piping-prose section:first-of-type{border-top:0;padding-top:0;margin-top:0}.gilt-aside{border:var(--piping-rule);padding:20px 22px;background:linear-gradient(180deg,#5a1b2e38,#120d1033)}.gilt-aside+.gilt-aside{margin-top:20px}.gilt-aside h3{font-size:15px;letter-spacing:.14em;text-transform:uppercase;font-family:var(--piping-sans);color:var(--piping-gilt);margin-bottom:12px}.plain-list{margin:0;padding-left:18px;display:grid;gap:7px;font-size:14.5px}.plain-list--bare{list-style:none;padding-left:0}.gilt-table{width:100%;border-collapse:collapse;font-size:14px}.gilt-table th,.gilt-table td{text-align:left;padding:10px 12px;border-bottom:var(--piping-rule-soft);vertical-align:top}.gilt-table th{font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--piping-gilt);font-weight:400}.swatch-row{display:grid;gap:12px}.swatch{display:grid;grid-template-columns:40px 1fr;gap:12px;align-items:start}.swatch__chip{width:40px;height:40px;border:1px solid rgba(244,236,230,.35)}.swatch__name{font-size:14px}.swatch__ratio{font-size:12.5px;color:var(--piping-muted)}.tool-checklist{display:grid;gap:10px;margin:0;padding:0;list-style:none}.tool-checklist label{display:flex;gap:12px;align-items:flex-start;cursor:pointer;font-size:15px}.tool-checklist input{appearance:none;width:17px;height:17px;border:1px solid var(--piping-gilt);background:transparent;margin:3px 0 0;flex:0 0 17px;cursor:pointer}.tool-checklist input:checked{background:var(--piping-gilt)}.tool-checklist input:checked+span{color:var(--piping-muted);text-decoration:line-through}.az-strip{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 30px}.az-strip a{border:1px solid rgba(201,162,39,.3);padding:3px 10px;font-family:var(--piping-serif);font-size:14px;color:var(--piping-cream)}.az-strip a:hover{border-color:var(--piping-gilt);color:var(--piping-gilt)}.az-entry{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:14px 0;border-bottom:var(--piping-rule-soft)}.az-entry__letter{font-family:var(--piping-serif);font-size:26px;color:var(--piping-gilt)}.tip-board{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:18px}.tip-tile{border:var(--piping-rule);padding:14px;text-align:center}.tip-tile__num{font-family:var(--piping-serif);font-size:22px;margin-top:10px}.tip-tile__meta{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--piping-muted)}.legal-doc{max-width:78ch}.legal-doc h2{font-size:23px;margin:34px 0 10px}.legal-doc h3{font-size:17px;margin:22px 0 8px}.legal-doc ul{padding-left:20px;display:grid;gap:7px}.legal-doc__stamp{font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--piping-gilt)}@media(max-width:900px){.piping-columns{grid-template-columns:1fr;gap:30px}.gilt-footer__grid{grid-template-columns:1fr 1fr}.band-head{flex-direction:column;align-items:flex-start}.band-head__note{margin-left:0;text-align:left}}@media(max-width:720px){.piping-canvas{grid-template-columns:1fr;min-height:auto}.tip-rail{flex-direction:row;flex-wrap:wrap;border:0;border-bottom:var(--piping-rule-soft);padding:12px}.tip-rail__label{writing-mode:horizontal-tb}.tip-rail--right{border-top:var(--piping-rule-soft);border-bottom:0}.gilt-header__links{gap:12px;font-size:12px}.rosette-plate{grid-template-columns:76px 1fr}}