/* Interior UI, based on the approved homepage design system. */
.interior{background:var(--paper);color:var(--ink)}.interior main{min-height:45vh}.interior a{overflow-wrap:anywhere}.interior nav a:first-child{color:inherit}.interior nav a[aria-current=page]{color:var(--accent)}.interior .site-header{height:94px;z-index:25}.interior .header-inner{position:relative;gap:22px}.interior #main-nav{gap:25px}.interior #main-nav>a{white-space:nowrap}.interior .brand-detail{font-size:9px;padding-left:16px}.interior .header-actions{gap:16px;margin-left:auto}.interior .contact-btn{padding:14px 17px;gap:20px}.skip-link{position:absolute;left:10px;top:-100px;background:var(--ink);color:white;padding:14px 20px;z-index:100}.skip-link:focus{top:10px}.nav-catalog>summary{font-size:12px;list-style:none;cursor:pointer;white-space:nowrap;display:flex;gap:8px;align-items:center}.nav-catalog>summary:after{content:'+';font-size:13px;color:var(--accent)}.nav-catalog[open]>summary{color:var(--accent)}.nav-catalog[open]>summary:after{content:'−'}.nav-catalog>summary::-webkit-details-marker{display:none}.mega-menu{position:absolute;top:93px;left:0;right:0;max-height:72vh;overflow:auto;background:#f5f3ee;border:1px solid var(--line);box-shadow:0 18px 25px #1b201718;padding:25px 29px 32px}.mega-heading{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--line);gap:20px}.mega-heading>span{font-size:9px;letter-spacing:2px;color:var(--muted)}.mega-heading>a{font-size:11px!important}.mega-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;margin-top:23px}.mega-grid h3{font-size:13px;font-weight:500;margin:0 0 14px}.mega-grid h3 a{font-size:13px!important;color:var(--ink)}.mega-grid section>div{display:flex;flex-direction:column;align-items:start;gap:11px}.mega-grid section>div a{font-size:10px!important;color:var(--muted);line-height:1.8}.mega-grid a:hover{color:var(--accent)!important}.mega-grid a:after,.mega-heading a:after{display:none}.breadcrumbs{display:flex;align-items:center;gap:13px;flex-wrap:wrap;font-size:10px;line-height:1.8;color:#818678;padding:25px 0 0}.breadcrumbs a:hover{color:var(--accent)}.breadcrumbs>span{color:#a9ad9f}.page-lead{padding:40px 0 46px;display:flex;justify-content:space-between;align-items:end;gap:45px;border-bottom:1px solid var(--line)}.page-lead h1{font-size:clamp(34px,3.4vw,48px);line-height:1.5;letter-spacing:-1.5px;font-weight:400;margin:18px 0}.page-lead p{font-size:12px;line-height:1.9;color:var(--muted);margin:0;max-width:630px}.lead-note{text-align:right;padding-bottom:6px;flex-shrink:0}.lead-note>span{font:italic 15px var(--serif);color:#858c7b}.lead-note p{font-size:10px;margin-top:15px}.catalog-layout{display:grid;grid-template-columns:228px minmax(0,1fr);gap:44px;padding:37px 0 78px}.catalog-sidebar{min-width:0;align-self:start}.sidebar-top{padding:0 0 22px;border-bottom:1px solid var(--ink)}.sidebar-top>span{font-size:8px;letter-spacing:1.6px;color:var(--muted)}.sidebar-top h2{font-weight:400;font-size:20px;margin:12px 0 0}.sidebar-group{border-bottom:1px solid var(--line)}.sidebar-group>summary{font-size:12px;line-height:1.7;display:flex;justify-content:space-between;align-items:center;list-style:none;cursor:pointer;padding:17px 0;gap:14px}.sidebar-group>summary::-webkit-details-marker{display:none}.sidebar-group>summary>span{font-size:17px;font-family:var(--serif);font-weight:400;color:var(--accent)}.sidebar-group[open]>summary{color:var(--accent)}.sidebar-group[open]>summary>span{transform:rotate(45deg)}.sidebar-group>div{padding:0 0 15px 12px;display:flex;flex-direction:column;gap:12px;border-left:1px solid #d4d5ca;margin-left:1px}.sidebar-group a{font-size:10px;line-height:1.7;color:var(--muted)}.sidebar-group .series-all{font-size:9px;color:var(--ink);margin-bottom:2px}.sidebar-group a:hover,.sidebar-group a[aria-current=page]{color:var(--accent)}.sidebar-help{background:#e6e7dd;padding:24px 19px;margin-top:30px}.sidebar-help>span{font-size:7px;letter-spacing:1px;color:#818875}.sidebar-help h3{font-size:19px;line-height:1.6;font-weight:400;margin:17px 0 10px}.sidebar-help .text-link{font-size:10px;gap:20px}.sidebar-help .arrow{height:16px;width:16px}.catalog-results{min-width:0}.results-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:0 0 22px;border-bottom:1px solid var(--line);min-height:55px;font-size:11px}.results-toolbar .text-link{font-size:10px;padding:0}.results-toolbar .arrow{width:17px;height:17px}.results-toolbar h2{font-size:16px;font-weight:400;margin:0}.results-toolbar>span{color:var(--muted)}.instrument-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:25px}.instrument-card{display:block;background:#eeeee6;min-width:0;transition:transform .25s,box-shadow .25s}.instrument-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px #2931230d}.instrument-image{height:245px;padding:20px 22px 10px;display:grid;place-items:center;position:relative;overflow:hidden;background:#e9eae2}.instrument-image img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;transition:transform .35s;min-height:0}.instrument-card:hover img{transform:scale(1.035)}.card-view{position:absolute;bottom:13px;left:15px;right:15px;padding:10px 12px;font-size:9px;color:var(--paper);background:var(--ink);display:flex;align-items:center;justify-content:space-between;opacity:0;transform:translateY(15px);transition:opacity .2s,transform .2s}.card-view .arrow{width:15px;height:15px}.instrument-card:hover .card-view,.instrument-card:focus-visible .card-view{opacity:1;transform:translateY(0)}.instrument-copy{padding:19px 19px 18px}.card-eyebrow{font-size:7px;letter-spacing:1.3px;color:#8a907e}.instrument-copy h2{font-size:14px;font-weight:400;line-height:1.7;margin:9px 0 14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:47px;overflow-wrap:anywhere}.card-bottom{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:9px;letter-spacing:.7px;color:#747c69;border-top:1px solid #d8dbcf;padding-top:12px}.card-bottom .arrow{width:16px;height:16px;color:var(--ink)}.image-empty{font:italic 19px var(--serif);color:#a4ab99}.pagination-wrap{padding:40px 0 0;text-align:center;font-size:11px}.pagination-wrap ul{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;list-style:none;padding:0;margin:0;gap:8px}.pagination-wrap a,.pagination-wrap li>span{display:block;min-width:34px;padding:10px;border:1px solid var(--line);line-height:1.3}.pagination-wrap li.active>a,.pagination-wrap li.active>span,.pagination-wrap a:hover,.pagination-wrap b{background:var(--ink);color:white;border-color:var(--ink)}.pagination-wrap .disabled{color:#9ba18f}.empty-state{padding:76px 22px 65px;text-align:center;border-bottom:1px solid var(--line)}.empty-state>span{font-size:9px;letter-spacing:2px;color:var(--accent)}.empty-state h2{font-size:27px;font-weight:400;margin:22px 0}.empty-state p{font-size:12px;line-height:2;color:var(--muted)}.empty-state>div{display:flex;justify-content:center;gap:28px;margin-top:25px}.empty-state>.text-link{justify-content:center}.product-intro{display:grid;grid-template-columns:1fr 1.05fr;gap:70px;padding:35px 0 66px}.product-gallery{background:#e6e8dd;position:relative;display:flex;flex-direction:column;min-height:530px;min-width:0;padding:24px 25px 20px}.gallery-label{font-size:8px;letter-spacing:1.6px;color:#848d77}.product-zoom{border:0;background:transparent;width:100%;flex:1;cursor:zoom-in;padding:8px;display:grid;place-items:center}.product-zoom img{height:440px;width:100%;object-fit:contain;mix-blend-mode:multiply;min-height:0}.gallery-bottom{font-size:8px;line-height:1.8;display:flex;justify-content:space-between;gap:18px;color:#7d8771;margin-top:14px}.product-summary{padding-top:25px;min-width:0}.product-summary h1{font-size:29px;line-height:1.6;letter-spacing:-.5px;font-weight:400;margin:22px 0 25px;overflow-wrap:anywhere}.product-identity{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line);gap:24px;padding:21px 0}.product-identity>div{min-width:0}.product-identity span{display:block;font-size:9px;color:var(--muted);margin-bottom:11px}.product-identity a,.product-identity strong{font-size:12px;font-weight:400;overflow-wrap:anywhere}.product-identity a:hover{color:var(--accent)}.product-description{font-size:12px;line-height:2;color:#737c6a;margin:23px 0;overflow-wrap:anywhere}.product-actions{display:flex;align-items:center;gap:26px;margin:28px 0 24px}.product-actions .text-link{font-size:11px}.product-actions .solid-link{gap:28px;white-space:nowrap}.product-help-line{font-size:10px;line-height:1.8;padding-top:15px;border-top:1px solid var(--line);display:flex;gap:30px;color:var(--muted)}.product-help-line>a{color:var(--ink);letter-spacing:1px}.detail-content-layout{border-top:1px solid var(--line);display:grid;grid-template-columns:235px minmax(0,1fr);gap:65px;padding:49px 0 75px}.detail-aside{align-self:start;position:sticky;top:25px}.detail-aside .eyebrow{font-size:8px;letter-spacing:1.2px}.detail-aside h2{font-size:23px;line-height:1.65;font-weight:400;margin:23px 0 28px}.detail-aside>a{font-size:10px;display:block;padding:14px 0;border-top:1px solid var(--line);color:var(--muted)}.detail-aside>a:hover{color:var(--accent)}.detail-aside .text-link{font-size:10px;margin-top:21px}.content-section-title{display:flex;align-items:center;gap:22px;border-bottom:1px solid var(--line);padding:0 0 20px;margin-bottom:26px}.content-section-title>span{font:italic 26px var(--serif);color:var(--accent)}.content-section-title h2{font-size:20px;font-weight:400;margin:0}.rich-content{font-size:14px;line-height:2.1;overflow-wrap:anywhere;min-width:0;color:#535d4c}.rich-content p{margin:0 0 20px}.rich-content p:empty{display:none}.rich-content h1,.rich-content h2,.rich-content h3,.rich-content h4{font-weight:500;line-height:1.8;color:var(--ink);margin:30px 0 17px;font-size:19px}.rich-content h1{font-size:25px}.rich-content h2{font-size:22px}.rich-content a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.rich-content img{max-width:100%!important;height:auto!important;margin:22px auto}.rich-content table{border-collapse:collapse;width:100%;font-size:12px;line-height:1.9;background:#f8f7f2}.rich-content td,.rich-content th{border:1px solid #d9dccf;padding:12px 14px;vertical-align:top;min-width:68px}.rich-content th{background:#e5e8dc;text-align:left;color:var(--ink);font-weight:500}.rich-content table p{margin:0!important}.rich-content td[style],.rich-content th[style]{height:auto!important}.table-scroll{max-width:100%;overflow:auto;overscroll-behavior-x:contain;margin:25px 0;-webkit-overflow-scrolling:touch;border:1px solid var(--line)}.table-scroll table{margin:0!important;min-width:600px}.table-hint{font-size:9px;color:var(--muted);margin:-13px 0 24px;display:none}.rich-content ul,.rich-content ol{padding-left:23px}.related-section{background:#e8eae0;padding:58px 0 70px}.related-section .section-heading{font-size:30px}.instrument-grid.four-col{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.four-col .instrument-image{height:235px}.four-col .instrument-card{background:#f4f3ed}.four-col .instrument-image{background:#f0f1e8}.search-lead{gap:70px;align-items:center}.page-search{width:430px;padding:25px 28px;background:#e8e9e0;flex-shrink:0}.page-search label{font-size:9px;letter-spacing:1px;color:var(--muted)}.page-search>div{display:flex;gap:20px;border-bottom:1px solid #8c9482;margin-top:13px}.page-search input{min-width:0;flex:1;background:none;border:0;border-radius:0;outline:none;font-size:15px;padding:11px 0;color:var(--ink)}.page-search button{background:none;border:0;padding:5px}.search-results{padding:34px 0 70px}.search-result-list{border-bottom:1px solid var(--line)}.search-result{display:grid;grid-template-columns:155px minmax(0,1fr) 45px;align-items:center;gap:35px;padding:28px 0;border-top:1px solid var(--line)}.search-result:first-child{border-top:0}.result-picture{height:150px;background:#e9ebe1;padding:12px}.result-picture img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}.result-copy>span{font-size:8px;letter-spacing:1.3px;color:var(--muted)}.result-copy h2{font-size:19px;line-height:1.75;font-weight:400;margin:10px 0;color:var(--ink)}.result-copy p{font-size:11px;line-height:1.9;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.result-arrow{height:39px;width:39px;border:1px solid #bbc3af;border-radius:50%;display:grid;place-items:center}.result-arrow .arrow{width:17px}.search-result:hover h2{color:var(--accent)}.reading-nav,.page-tabs{display:flex;align-items:center;gap:23px;flex-shrink:0;padding-bottom:9px}.reading-nav a,.page-tabs a{font-size:11px;padding-bottom:9px;border-bottom:1px solid transparent}.reading-nav a[aria-current=page],.page-tabs a[aria-current=page]{border-color:var(--accent);color:var(--accent)}.editorial-layout{display:grid;grid-template-columns:minmax(0,1fr) 265px;gap:80px;padding:33px 0 80px}.journal-list{border-top:1px solid var(--ink)}.journal-row{display:grid;grid-template-columns:78px minmax(0,1fr) 25px;gap:25px;align-items:center;padding:31px 0;border-bottom:1px solid var(--line)}.journal-date{align-self:start;display:flex;flex-direction:column;gap:10px;padding-top:3px}.journal-date strong{font:italic 41px/1 var(--serif);color:#8b947e;font-weight:400}.journal-date>span{font-size:9px;letter-spacing:1px;color:var(--muted)}.journal-row h2{font-size:18px;line-height:1.85;font-weight:400;margin:10px 0}.journal-row p{font-size:11px;line-height:1.9;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.journal-row:hover h2{color:var(--accent)}.journal-row>.arrow{width:19px}.editorial-aside{background:#e5e8dc;align-self:start;padding:28px 25px;position:sticky;top:30px}.editorial-aside>.eyebrow{font-size:7px;letter-spacing:.8px}.editorial-aside h2{font-size:25px;font-weight:400;line-height:1.6;margin:28px 0 20px}.editorial-aside p{font-size:11px;line-height:1.9;color:var(--muted)}.editorial-aside .text-link{font-size:10px;gap:20px}.aside-contact{border-top:1px solid #cdd3c1;margin-top:30px;padding-top:20px}.aside-contact>span{font-size:10px;color:var(--muted)}.article-shell{padding-bottom:75px}.interior header.article-header{height:auto;position:static;border-bottom:1px solid var(--line);background:none;z-index:auto;padding:39px 0 32px}.article-header h1{font-size:36px;line-height:1.6;font-weight:400;letter-spacing:-.5px;margin:24px 0 25px;max-width:1050px}.article-meta{font-size:10px;color:var(--muted);display:flex;gap:27px;flex-wrap:wrap;line-height:1.9}.article-meta a{color:var(--accent)}.article-body-layout{display:grid;grid-template-columns:195px minmax(0,850px);gap:65px;padding-top:37px;justify-content:space-between}.article-rail{align-self:start;position:sticky;top:26px;display:flex;flex-direction:column;align-items:start;gap:22px}.article-rail>span{font-size:8px;letter-spacing:1.6px;color:var(--muted);margin-bottom:8px}.article-rail>a,.article-rail>button{font-size:10px;line-height:1.8;background:none;border:0;padding:0;color:#717d62;text-align:left}.article-rail a:hover,.article-rail button:hover{color:var(--accent)}.article-content{font-size:15px;line-height:2.2}.article-pagination{display:grid;grid-template-columns:1fr 1fr;gap:33px;border-top:1px solid var(--line);padding-top:27px;margin-top:45px}.article-pagination>div{min-width:0}.article-pagination small{display:block;font-size:8px;letter-spacing:1px;color:var(--muted);margin-bottom:14px}.article-pagination a{font-size:12px;line-height:1.9;display:flex;align-items:start;justify-content:space-between;gap:20px}.article-pagination a:hover{color:var(--accent)}.article-pagination .arrow{width:16px;margin-top:3px}.article-pagination>div>span{font-size:11px;color:var(--muted)}.information-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:70px;padding:48px 0 80px}.information-rail{align-self:start;position:sticky;top:30px}.information-rail>span{font-size:9px;letter-spacing:1.7px;color:var(--accent)}.information-rail h2{font-size:26px;line-height:1.7;font-weight:400;margin:22px 0 18px}.information-rail p{font-size:11px;line-height:2;color:var(--muted)}.information-rail .text-link{font-size:10px;gap:22px;margin-top:20px}.information-body{background:#f9f8f3;padding:34px 38px;min-width:0;border-top:2px solid var(--ink)}.information-body .rich-content>p:first-child{margin-top:0}.information-body .rich-content table{min-width:700px}.contact-page .page-lead{align-items:center}.contact-lead-word{font:italic 112px/1 var(--serif);color:#d7dbcd;letter-spacing:-5px}.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:55px;padding:45px 0 80px}.contact-heading>span{font-size:8px;letter-spacing:1.4px;color:var(--muted)}.contact-heading h2{font-size:27px;line-height:1.7;font-weight:400;margin:17px 0 26px}.contact-item{border-top:1px solid var(--line);padding:22px 0}.contact-item>span{font-size:10px;color:var(--muted);display:block;margin-bottom:13px}.contact-item>div{display:flex;align-items:center;gap:25px;justify-content:space-between}.contact-item a{font:32px/1.4 var(--serif);letter-spacing:.5px}.contact-item button{font-size:10px;background:none;border:1px solid var(--line);padding:9px 13px;flex-shrink:0}.contact-item .contact-email{font:20px var(--sans);overflow-wrap:anywhere}.contact-small-grid{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:20px;padding-top:23px}.contact-small-grid>div>span{font-size:9px;color:var(--muted);display:block;margin-bottom:13px}.contact-small-grid p,.contact-small-grid a{font-size:12px;line-height:1.9;margin:0}.wechat-panel{background:#26352c;color:#f2f2e7;padding:40px;display:flex;flex-direction:column;justify-content:space-between;min-height:540px;position:relative;overflow:hidden}.wechat-panel:after{content:'a';position:absolute;right:-25px;bottom:-75px;font:italic 330px var(--serif);color:#fff2;pointer-events:none}.wechat-panel .eyebrow{font-size:7px;letter-spacing:1px;color:#b6c2ad}.wechat-panel .eyebrow:before{background:#a9b99d}.wechat-panel h2{font-size:35px;line-height:1.6;font-weight:400;margin:29px 0 20px}.wechat-panel p{font-size:11px;line-height:2;color:#b5c1ad}.wechat-qr{display:flex;gap:23px;align-items:center;margin:32px 0;position:relative;z-index:1}.wechat-qr img{width:145px;height:145px;object-fit:contain;background:white;padding:8px}.wechat-qr>div{min-width:0;display:flex;align-items:start;flex-direction:column;gap:13px}.wechat-qr span{font-size:10px;color:#b5c1ad}.wechat-qr strong{font-size:15px;letter-spacing:.7px;font-weight:400;overflow-wrap:anywhere}.wechat-qr button{font-size:10px;background:none;color:#e6ebdd;border:0;padding:3px 0}.wechat-panel>small{font-size:8px;letter-spacing:1px;color:#a5b39a}.interior .interior-closing .closing-inner{min-height:245px}.interior .interior-closing h2{font-size:33px}.site-footer-description{font-size:9px;color:#929d91;line-height:1.9;padding-top:22px}.site-footer-description a{margin-right:7px}.search-shortcuts{display:flex;gap:10px;flex-wrap:wrap;padding-top:10px}.search-shortcuts a{font-size:10px;border:1px solid var(--line);padding:8px 11px}.search-shortcuts a:hover{border-color:var(--accent);color:var(--accent)}.dialog-input-row{display:flex;align-items:stretch;gap:14px;margin-top:7px}.dialog-input-row input{min-width:0;flex:1}.dialog-input-row button{padding:13px 16px}.image-dialog{width:min(1000px,calc(100% - 36px));padding:40px;max-height:94vh;background:#f9f8f3}.image-dialog img{height:min(70vh,740px);width:100%;object-fit:contain;mix-blend-mode:multiply}.image-dialog p{font-size:11px;color:var(--muted);text-align:center;margin:20px 0 0}.error-page{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:75px 0 90px}.error-number{display:block;font:italic 230px/1.2 var(--serif);letter-spacing:-15px;color:#d6dbcc;margin-top:22px}.error-page h1{font-size:41px;font-weight:400;line-height:1.6;margin:0 0 22px}.error-page p{font-size:13px;line-height:2;color:var(--muted)}.error-actions{display:flex;align-items:center;gap:28px;margin-top:29px}.message-state{padding:95px 0 110px}.message-state 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