:root{--sel-bg: #f4f4f4;--sel-surface: #ffffff;--sel-ink: #333333;--sel-ink2: #4a4a4a;--sel-muted: #8a8a8a;--sel-line: #e8e8e8;--sel-accent: #f36a02;--sel-accent-soft: #fdeedf;--sel-xrf: #2e6fa3;--sel-xrf-soft: #e7f0f7;--sel-libs: #d96a29;--sel-libs-soft: #fbe9dd;--sel-oes: #3f7a70;--sel-oes-soft: #e4f0ed;--sel-shadow: 0 1px 2px rgba(0, 0, 0, .05), 0 6px 20px rgba(0, 0, 0, .04)}.sel-hero{background:var(--sel-surface);border-bottom:1px solid var(--sel-line)}.sel-hero-inner{max-width:1120px;margin:0 auto;padding:26px 20px 30px}.sel-crumb{font-size:13px;color:var(--sel-muted);margin:0 0 14px}.sel-crumb a{color:var(--sel-muted)}.sel-crumb a:hover{color:var(--sel-accent)}.sel-crumb span{margin:0 7px}.sel-eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--sel-accent);text-transform:uppercase;margin:0 0 12px}.sel-hero h1{font-size:28px;margin:0 0 10px;letter-spacing:.01em;color:var(--sel-ink);font-weight:700;line-height:1.35}.sel-hero .sel-lead{font-size:15.5px;color:var(--sel-ink2);max-width:820px;margin:0 0 22px;line-height:1.7}.sel-summary{background:var(--sel-accent-soft);border-left:4px solid var(--sel-accent);border-radius:10px;padding:18px 20px}.sel-summary-title{font-size:13px;font-weight:700;color:var(--sel-accent);margin:0 0 8px;letter-spacing:.06em}.sel-summary p:last-child{margin-bottom:0}.sel-summary strong{color:var(--sel-ink)}.sel-toc{background:var(--sel-surface);border-bottom:1px solid var(--sel-line)}.sel-toc-inner{max-width:1120px;margin:0 auto;display:flex;flex-wrap:wrap;gap:6px 8px;padding:14px 20px}.sel-toc a{font-size:13px;color:var(--sel-ink2);background:var(--sel-bg);border:1px solid var(--sel-line);padding:5px 12px;border-radius:999px;text-decoration:none}.sel-toc a:hover{color:var(--sel-accent);border-color:var(--sel-accent)}.sel-section{padding:44px 0 8px}.sel-section-inner{max-width:1120px;margin:0 auto;padding:0 20px}.sel-sec-head{margin-bottom:26px}.sel-sec-head h2{font-size:24px;margin:0 0 8px;color:var(--sel-ink);font-weight:700;line-height:1.35}.sel-sec-head .sel-sub{color:var(--sel-muted);font-size:14.5px;max-width:760px}.sel-sec-num{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:7px;background:var(--sel-ink);color:#fff;font-size:13px;font-weight:700;margin-right:10px;vertical-align:2px}.sel-dims{display:grid;grid-template-columns:1fr;gap:12px}.sel-dim{background:var(--sel-surface);border:1px solid var(--sel-line);border-radius:12px;padding:18px;box-shadow:var(--sel-shadow)}.sel-dim-head{display:flex;gap:12px;align-items:flex-start;margin-bottom:6px}.sel-dim-ico{flex:none;width:36px;height:36px;border-radius:9px;background:var(--sel-bg);display:flex;align-items:center;justify-content:center}.sel-dim-ico svg{width:20px;height:20px;color:var(--sel-accent)}.sel-dim h3{font-size:16px;margin:0;color:var(--sel-ink);font-weight:700}.sel-dim .sel-q{font-size:13.5px;color:var(--sel-muted);margin:2px 0 0}.sel-dim p{font-size:14px;margin:0;color:var(--sel-ink2)}.sel-tech-grid{display:grid;grid-template-columns:1fr;gap:16px}.sel-tech{background:var(--sel-surface);border:1px solid var(--sel-line);border-radius:14px;overflow:hidden;box-shadow:var(--sel-shadow);display:flex;flex-direction:column}.sel-tech .sel-img-band{height:196px;background:#fff;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--sel-line);padding:14px}.sel-tech .sel-img-band img{height:100%;width:auto;object-fit:contain}.sel-tech-body{padding:18px 20px 20px}.sel-tech-badge{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.04em;padding:3px 10px;border-radius:999px;margin-bottom:10px}.sel-tech-badge.xrf{color:var(--sel-xrf);background:var(--sel-xrf-soft)}.sel-tech-badge.libs{color:var(--sel-libs);background:var(--sel-libs-soft)}.sel-tech-badge.oes{color:var(--sel-oes);background:var(--sel-oes-soft)}.sel-tech h3{font-size:18px;margin:0 0 4px;color:var(--sel-ink);font-weight:700}.sel-tech .sel-model{font-size:13px;color:var(--sel-muted);margin:0 0 12px}.sel-tech ul{margin:0 0 14px;padding:0;list-style:none}.sel-tech li{font-size:14px;padding:6px 0 6px 24px;position:relative;border-top:1px dashed var(--sel-line)}.sel-tech li:first-child{border-top:none}.sel-tech li:before{content:"";position:absolute;left:6px;top:15px;width:7px;height:7px;border-radius:50%}.sel-tech.xrf li:before{background:var(--sel-xrf)}.sel-tech.libs li:before{background:var(--sel-libs)}.sel-tech.oes li:before{background:var(--sel-oes)}.sel-tech .sel-note{font-size:12.5px;color:var(--sel-muted);background:var(--sel-bg);border-radius:8px;padding:10px 12px}.sel-tech .sel-note b{color:var(--sel-ink2)}.sel-table-box{background:var(--sel-surface);border:1px solid var(--sel-line);border-radius:14px;overflow-x:auto;box-shadow:var(--sel-shadow);margin-top:20px}table.sel-cmp{width:100%;border-collapse:collapse;table-layout:fixed;min-width:760px;font-size:14px}table.sel-cmp th,table.sel-cmp td{border-bottom:1px solid var(--sel-line);padding:13px 14px;text-align:left;vertical-align:top}table.sel-cmp thead th{background:#eef2f7;color:var(--sel-ink);font-size:14.5px;font-weight:700}table.sel-cmp thead th:first-child{width:15%}table.sel-cmp tbody tr:last-child td{border-bottom:none}table.sel-cmp tbody td:first-child{color:var(--sel-ink);font-weight:600;white-space:nowrap}table.sel-cmp td.sel-tag{font-weight:700}table.sel-cmp td.sel-tag.xrf{color:var(--sel-xrf)}table.sel-cmp td.sel-tag.libs{color:var(--sel-libs)}table.sel-cmp td.sel-tag.oes{color:var(--sel-oes)}table.sel-cmp tbody tr:hover{background:#fafbfd}.sel-check-panel{background:var(--sel-surface);border:1px solid var(--sel-line);border-radius:14px;padding:20px;box-shadow:var(--sel-shadow);margin-top:20px}.sel-check-progress{display:flex;gap:6px;margin-bottom:18px}.sel-check-progress .sel-seg{flex:1;height:6px;border-radius:3px;background:var(--sel-line)}.sel-check-progress .sel-seg.done{background:var(--sel-accent)}.sel-check-progress .sel-seg.cur{background:var(--sel-accent-soft)}.sel-check-q h4{font-size:17px;margin:0 0 16px;color:var(--sel-ink);font-weight:700}.sel-check-options{display:grid;grid-template-columns:1fr;gap:10px}.sel-check-option{position:relative;cursor:pointer;border:1px solid var(--sel-line);border-radius:11px;padding:14px 16px;display:block;min-height:48px}.sel-check-option:hover{border-color:var(--sel-accent)}.sel-check-option input{position:absolute;opacity:0;width:1px;height:1px}.sel-check-option .sel-opt-label{font-weight:600;color:var(--sel-ink);display:block;margin-bottom:2px}.sel-check-option .sel-opt-desc{font-size:13px;color:var(--sel-muted)}.sel-check-option.selected{border-color:var(--sel-accent);background:var(--sel-accent-soft)}.sel-check-option.selected .sel-opt-label{color:var(--sel-ink)}.sel-check-nav{display:flex;justify-content:space-between;gap:12px;margin-top:20px}.sel-btn{border:none;border-radius:9px;padding:12px 22px;font-size:14.5px;font-weight:700;cursor:pointer;min-height:46px}.sel-btn-primary{background:var(--sel-accent);color:#fff}.sel-btn-primary:hover{background:#d2601a}.sel-btn-ghost{background:var(--sel-bg);color:var(--sel-ink2);border:1px solid var(--sel-line)}.sel-btn-ghost:hover{border-color:var(--sel-accent);color:var(--sel-accent)}.sel-btn[disabled]{opacity:.45;cursor:not-allowed}.sel-result-box{display:none;background:#fff;border:1px solid var(--sel-line);border-radius:14px;padding:22px;margin-top:20px;box-shadow:var(--sel-shadow)}.sel-result-box.show{display:block}.sel-result-box 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4px;font-size:16px;display:flex;align-items:center;gap:8px;color:var(--sel-ink);font-weight:700}.sel-app h4 .sel-dot{width:8px;height:8px;border-radius:50%;flex:none}.sel-app .sel-rec{font-size:13.5px;font-weight:600;color:var(--sel-ink2);margin:0 0 8px}.sel-app .sel-rec b{color:var(--sel-accent)}.sel-app p{font-size:13.5px;margin:0;color:var(--sel-muted)}.sel-reco-xrf{background:var(--sel-xrf)}.sel-reco-libs{background:var(--sel-libs)}.sel-reco-oes{background:var(--sel-oes)}.sel-reco-mix{background:var(--sel-ink)}.sel-checks{display:grid;grid-template-columns:1fr;gap:12px}.sel-check-item{background:var(--sel-surface);border:1px solid var(--sel-line);border-radius:12px;padding:16px 18px;box-shadow:var(--sel-shadow)}.sel-check-item h4{margin:0 0 6px;font-size:16px;color:var(--sel-ink);font-weight:700}.sel-check-item p{font-size:14px;margin:0;color:var(--sel-muted)}.sel-faq{background:var(--sel-surface);border:1px solid var(--sel-line);border-radius:14px;box-shadow:var(--sel-shadow);overflow:hidden}.sel-faq details{border-bottom:1px solid var(--sel-line)}.sel-faq details:last-child{border-bottom:none}.sel-faq summary{cursor:pointer;padding:17px 20px;font-size:15px;font-weight:600;color:var(--sel-ink);list-style:none;display:flex;align-items:center;justify-content:space-between;gap:14px}.sel-faq summary::-webkit-details-marker{display:none}.sel-faq summary .sel-ic{flex:none;width:26px;height:26px;border-radius:50%;background:var(--sel-bg);display:flex;align-items:center;justify-content:center;transition:transform .25s}.sel-faq summary .sel-ic svg{width:14px;height:14px;color:var(--sel-accent)}.sel-faq details[open] summary .sel-ic{transform:rotate(45deg)}.sel-faq-a{padding:0 20px 18px;font-size:14.5px;color:var(--sel-ink2);line-height:1.7}.sel-gloss{background:var(--sel-surface);border:1px solid var(--sel-line);border-radius:14px;box-shadow:var(--sel-shadow);padding:20px}.sel-gloss-grid{display:grid;grid-template-columns:1fr;gap:14px}.sel-gloss-item{border-bottom:1px dashed var(--sel-line);padding-bottom:12px}.sel-gloss-item:last-child{border-bottom:none;padding-bottom:0}.sel-gloss-item .sel-term{font-weight:700;color:var(--sel-ink);font-size:15px}.sel-gloss-item .sel-term small{font-weight:500;color:var(--sel-muted);margin-left:8px;font-size:12.5px}.sel-gloss-item .sel-def{font-size:13.5px;color:var(--sel-muted);margin-top:3px}.sel-cta{margin:44px 20px 56px;max-width:1080px;background:var(--sel-ink);color:#eaf0f7;border-radius:16px;padding:34px 26px;position:relative;overflow:hidden;display:flex;align-items:center;gap:28px}.sel-cta-main{flex:1;min-width:0;position:relative;z-index:1}.sel-cta h2{color:#fff;margin:0 0 8px;font-size:22px;font-weight:700}.sel-cta p{color:#b9c7d9;font-size:14.5px;margin:0 0 20px;max-width:640px}.sel-cta-actions{display:flex;flex-wrap:wrap;gap:12px}.sel-cta .sel-btn{font-size:15px}.sel-cta .sel-btn-tel{background:#fff;color:var(--sel-ink)}.sel-cta .sel-btn-tel:hover{background:#eaf0f7}.sel-cta .sel-btn-link{background:var(--sel-accent);color:#fff}.sel-cta .sel-btn-link:hover{background:#d2601a}.sel-cta-img{flex:none;width:42%;max-width:430px;display:flex;align-items:center;justify-content:center;position:relative;z-index:1}.sel-cta-img img{width:100%;height:auto;max-height:340px;object-fit:contain}.sel-cta:after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:#ffffff0d}@media(min-width:520px){.sel-dims,.sel-tech-grid{grid-template-columns:1fr 1fr}.sel-tech:first-child{grid-column:1 / -1}.sel-app-grid,.sel-checks,.sel-gloss-grid,.sel-check-options{grid-template-columns:1fr 1fr}}@media(min-width:760px){.sel-hero 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