@charset "UTF-8";
:root{--blue:#0759f9;--navy:#09224e;--muted:#5f7190;--line:#dae5f3;--soft:#f3f8fe;--white:#fff;--radius:10px;--font:"Microsoft YaHei UI","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;color:var(--navy);background:var(--white);font-family:var(--font);font-size:15px;line-height:1.65}body:has(dialog[open]){overflow:hidden}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #87b1ff;outline-offset:4px}button{color:inherit}img{display:block;max-width:100%}svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-100px;left:15px;background:var(--navy);color:white;padding:12px;z-index:20}.skip-link:focus{top:12px}
.section-width,.header-inner,.hero-inner{width:min(1280px,calc(100% - 80px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:5;background:#ffffffee;border-bottom:1px solid #edf2f8;backdrop-filter:blur(14px)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:86px}.brand{display:flex;gap:12px;align-items:center;font-size:23px;font-weight:800;letter-spacing:-.5px;white-space:nowrap}.brand small{display:block;font-size:9px;letter-spacing:2px;font-weight:500;color:var(--muted);margin-top:-1px}.brand-mark{display:grid;place-items:center;width:37px;height:39px;border-radius:8px;background:var(--blue);color:white;font-size:46px;line-height:1;padding-bottom:5px}.site-header nav{display:flex;align-items:center;gap:28px;white-space:nowrap}.site-header nav a,.site-header nav button{border:0;background:none;padding:29px 0 25px;font-size:14px;font-weight:600;position:relative}.site-header nav a:hover,.site-header nav button:hover{color:var(--blue)}.nav-catalogue{color:var(--blue)}.nav-catalogue:after{content:"";position:absolute;left:0;right:0;bottom:15px;height:3px;border-radius:2px;background:var(--blue)}
.hero{background:radial-gradient(ellipse at 80% 50%,#e5f1ff 0,transparent 60%),linear-gradient(105deg,#f7fbff,#eff6ff);overflow:hidden}.hero-inner{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:36px;padding-block:36px}.hero-copy{padding-block:15px;position:relative;z-index:1}.eyebrow{font-size:11px;letter-spacing:1.8px;color:#6b87ac;font-weight:600}.hero-copy>.eyebrow{display:flex;align-items:center;gap:8px;letter-spacing:1.3px;margin:0 0 18px}.eyebrow>span{width:6px;height:6px;border-radius:50%;background:var(--blue)}h1{font-size:clamp(34px,3.4vw,52px);line-height:1.28;letter-spacing:-1.6px;margin:0 0 20px;font-weight:850}h1>span{color:var(--blue)}.hero-description{color:#506987;font-size:16px;line-height:1.9;margin:0 0 26px}.hero-actions{display:flex;gap:13px;flex-wrap:wrap}.button{display:inline-flex;justify-content:center;align-items:center;gap:10px;min-height:50px;padding:12px 22px;border-radius:6px;border:1px solid transparent;font-size:15px;font-weight:600;transition:background .15s,box-shadow .15s}.button.primary{background:var(--blue);color:white;box-shadow:0 5px 16px #0759f91b}.button.primary:hover{background:#034ce1;box-shadow:0 5px 22px #0759f932}.button.secondary{background:#ffffffd9;border-color:#9fbffe;color:var(--blue)}.button.secondary:hover{background:#eaf2ff}.hero-meta{font-size:11px;color:#6a809c;margin:16px 0 0}.hero-meta span{padding:0 5px}.hero-visual{margin:0;min-width:0;max-width:430px;width:100%;justify-self:end;transform:rotate(1deg);animation:arrive .6s ease both}.hero-art{background:white;border:1px solid #d3e3f7;border-radius:8px;overflow:hidden;box-shadow:0 15px 45px #163e7410}.hero-art img{width:100%;height:auto}.hero-visual figcaption{display:flex;justify-content:space-between;gap:8px;margin-top:12px;font-size:11px;color:#627da0}.drawing-label{letter-spacing:2px;font-size:10px;color:var(--blue)}
.catalogue{padding-top:36px;padding-bottom:40px}.section-heading{display:flex;align-items:center;gap:20px}.section-heading h2{font-size:28px;letter-spacing:-.7px;margin:0;white-space:nowrap}.heading-line{height:1px;background:linear-gradient(90deg,var(--blue),#e7effa);flex:1}.section-heading .eyebrow{white-space:nowrap;font-size:10px}.section-description{color:var(--muted);margin:6px 0 24px;font-size:14px}.catalogue-layout{display:grid;grid-template-columns:195px minmax(0,1fr);gap:24px}.category-panel{background:linear-gradient(145deg,#f3f8ff,#fbfdff);border:1px solid #eef3fa;border-radius:8px;padding:18px 0;align-self:start;position:sticky;top:108px}.category-panel h3{font-size:15px;padding:0 20px;margin:0 0 13px}.category-button{width:100%;display:flex;align-items:center;justify-content:space-between;text-align:left;padding:13px 20px;border:0;border-left:3px solid transparent;background:none;color:#405777;font-size:14px}.category-button:hover{background:#eaf3ff}.category-button[aria-pressed="true"]{color:var(--blue);background:#e4f0ff;border-left-color:var(--blue);font-weight:700}.category-button small{font-size:10px;opacity:.6}.sidebar-note{font-size:10px;color:#7c90aa;padding:15px 20px 0;margin:12px 0 0;border-top:1px solid #e6edf7;line-height:1.9}.catalogue-main{border:1px solid var(--line);border-radius:8px;padding:16px;min-width:0}.catalogue-toolbar{display:flex;gap:12px}.search-box{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:5px;padding:0 12px;min-width:0;flex:1;background:white}.search-box:focus-within{border-color:var(--blue)}.search-box svg{width:18px;height:18px;color:#6d88ab}.search-box input{padding:11px 0;width:100%;min-width:0;border:0;outline:none;color:var(--navy);font-size:13px;background:transparent}.search-box input::placeholder{color:#8397b2}.sort-box select{height:44px;border:1px solid var(--line);border-radius:5px;padding:0 12px;background:white;color:#516b8d;font-size:12px;max-width:100%}.result-count{font-size:11px;color:#7c8fa8;margin:12px 0}.model-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.model-card{display:flex;flex-direction:column;text-align:left;padding:0;min-width:0;background:white;border:1px solid #dfE9f6;border-radius:6px;overflow:hidden;transition:box-shadow .2s,border-color .2s}.model-card:hover{border-color:#83afff;box-shadow:0 7px 22px #0759f912}.model-card img{width:100%;height:auto;aspect-ratio:1;object-fit:contain;background:#fafdff}.card-footer{display:flex;align-items:center;justify-content:space-between;width:100%;padding:10px 13px;gap:8px;border-top:1px solid #f0f4fa}.card-footer strong{font-size:13px;font-weight:650}.card-footer span{font-size:11px;color:var(--blue);white-space:nowrap}.all-card{min-height:200px;align-items:center;justify-content:center;background:linear-gradient(150deg,#f8fbff,#edf5ff);text-align:center;padding:18px}.all-card .all-number{font-size:47px;line-height:1.2;color:#8ab0e8;font-weight:300;letter-spacing:-3px;margin-bottom:15px}.all-card strong{font-size:16px}.all-card p{font-size:12px;color:var(--muted);margin:8px 0 17px}.all-card>.text-link{font-size:12px}.empty-state{text-align:center;padding:55px 14px}.empty-state h3{font-size:18px}.empty-state p{font-size:13px;color:var(--muted)}.text-link{color:var(--blue)}.text-link:hover{text-decoration:underline}
.site-footer{border-top:1px solid var(--line);padding-block:23px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:15px;font-size:12px}.site-footer>div{display:flex;align-items:center;gap:20px}.site-footer strong{font-size:15px}.site-footer>div a{color:var(--muted);font-size:11px}.site-footer p{font-size:10px;color:#7b8ba5;margin:0;line-height:1.9}.icp{font-size:10px;color:#8e9cb0;width:100%}
dialog{color:var(--navy);font-family:var(--font);border:1px solid var(--line);border-radius:12px;box-shadow:0 25px 100px #10254a40;max-height:90vh;max-height:90dvh;overscroll-behavior:contain}dialog::backdrop{background:#071e46a3;backdrop-filter:blur(4px)}.info-dialog{width:min(530px,calc(100% - 28px));padding:28px}.dialog-top{display:flex;align-items:flex-start;justify-content:space-between;gap:15px;margin-bottom:20px}.dialog-top .eyebrow{margin:0 0 5px;font-size:10px}.dialog-top h2{font-size:25px;margin:0}.close-button{border:1px solid #e3ebf5;background:#f7faff;width:36px;height:36px;border-radius:50%;font-size:23px;line-height:1;flex-shrink:0}.close-button:hover{background:#e6efff}.info-dialog>p{color:var(--muted);font-size:14px}.download-detail{display:flex;flex-direction:column;background:var(--soft);padding:18px;border:1px solid var(--line);border-radius:8px;margin:20px 0 14px;gap:5px}.download-detail strong{font-size:18px}.download-detail span{font-size:12px;color:var(--muted)}.full-width{width:100%}.download-note{font-size:12px!important;line-height:1.9;color:var(--muted)}details{border-top:1px solid var(--line);padding:13px 0;font-size:13px}summary{cursor:pointer;font-weight:600}details p{color:var(--muted);font-size:12px}.checksum{display:block;overflow-wrap:anywhere;font-size:10px;color:#5a6a80}.catalogue-download{display:block;margin-top:10px;font-size:13px}.help-steps{list-style:none;counter-reset:step;padding:0;margin:0 0 24px}.help-steps li{position:relative;counter-increment:step;padding:0 0 14px 42px}.help-steps li:before{content:counter(step);position:absolute;left:0;top:0;display:grid;place-items:center;background:#eaf2ff;color:var(--blue);width:28px;height:28px;border-radius:6px;font-size:13px;font-weight:700}.help-steps strong{font-size:15px}.help-steps p{font-size:13px;color:var(--muted);margin:5px 0 0}.model-dialog{width:min(810px,calc(100% - 24px));padding:20px}.model-dialog .dialog-top{margin-bottom:10px}.model-dialog>img{width:auto;max-width:100%;height:auto;max-height:65vh;max-height:65dvh;object-fit:contain;margin:auto}.model-dialog-footer{display:flex;align-items:center;justify-content:space-between;font-size:12px;margin-top:12px}.model-dialog-footer p{margin:0;color:var(--muted)}
@keyframes arrive{from{opacity:0;transform:translateY(12px) rotate(1deg)}to{opacity:1;transform:translateY(0) rotate(1deg)}}
@media(min-width:1450px){.hero-inner{padding-block:38px}.hero-visual{max-width:440px}}
@media(max-width:1050px){.section-width,.header-inner,.hero-inner{width:calc(100% - 48px)}.site-header nav{gap:18px}.brand{font-size:20px}.brand small{font-size:8px;letter-spacing:1px}.header-inner{gap:15px}.hero-inner{gap:24px}.hero-description{font-size:14px}.hero-actions{gap:10px}.hero-actions .button{font-size:13px;padding-inline:14px}.hero-meta{font-size:10px}.catalogue-layout{grid-template-columns:165px minmax(0,1fr);gap:16px}.category-button{padding-inline:15px}.card-footer{padding:9px}.card-footer span{font-size:10px}.model-grid{gap:10px}}
@media(max-width:800px){html{scroll-padding-top:128px}.header-inner{flex-wrap:wrap;gap:0;padding-top:12px}.brand{font-size:21px}.site-header nav{width:100%;justify-content:space-between;gap:15px;overflow-x:auto}.site-header nav a,.site-header nav button{padding:15px 0;font-size:12px}.nav-catalogue:after{bottom:6px}.hero-inner{grid-template-columns:1.15fr 1fr;gap:20px;padding-block:24px}.hero-copy>.eyebrow{font-size:9px}.hero-description{font-size:13px}.hero-actions{flex-direction:column;align-items:stretch}.hero-actions .button{min-height:43px;padding:9px 12px}.hero-meta{line-height:1.9}.hero-visual figcaption{font-size:9px}.hero-visual figcaption .drawing-label{display:none}h1{font-size:33px}.desktop-break{display:none}.catalogue-layout{display:block}.category-panel{position:static;padding:0;border:0;background:none;margin-bottom:18px}.category-panel h3,.sidebar-note{display:none}#categories{display:flex;gap:8px;overflow-x:auto;padding:3px 0 9px}.category-button{flex:0 0 auto;width:auto;padding:8px 13px;border:1px solid var(--line);border-radius:5px;font-size:12px;gap:9px}.category-button[aria-pressed="true"]{border-color:#aac9ff}.catalogue-main{padding:12px}.section-heading h2{font-size:25px}.section-description{font-size:12px}.model-grid{gap:10px}.card-footer{flex-wrap:wrap;gap:2px}.card-footer strong{font-size:12px}.card-footer span{font-size:10px}}
@media(max-width:560px){.section-width,.header-inner,.hero-inner{width:calc(100% - 32px)}.header-inner{padding-top:10px}.brand small{font-size:7px}.hero-inner{display:block;padding-block:25px}.hero-copy{padding:0}.hero-copy>.eyebrow{font-size:10px;margin-bottom:13px}h1{font-size:37px;line-height:1.2;margin-bottom:17px}h1 br{display:none}.hero-description{font-size:13px;margin-bottom:18px}.hero-actions{flex-direction:row}.hero-actions .button{flex:1;padding:11px 8px;font-size:12px}.hero-actions svg{width:17px;height:17px}.hero-meta{font-size:9px}.hero-visual{max-width:255px;margin:22px auto 0;transform:none}.hero-visual figcaption{font-size:10px;justify-content:center}.catalogue{padding-top:25px;padding-bottom:25px}.section-heading{gap:10px}.section-heading .eyebrow{font-size:8px;letter-spacing:.7px}.section-heading h2{font-size:23px}.section-description{font-size:11px;margin-bottom:17px}.catalogue-toolbar{gap:8px}.search-box{padding-inline:8px;gap:6px}.search-box input{font-size:11px}.search-box svg{width:14px}.sort-box select{font-size:11px;padding-inline:5px;max-width:90px}.model-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.model-card .card-footer{padding:9px 8px}.all-card{min-height:190px}.all-card .all-number{font-size:37px}.all-card strong{font-size:14px}.site-footer{align-items:flex-start}.site-footer>div{justify-content:space-between;width:100%}.site-footer p{font-size:9px}.info-dialog{padding:21px}.dialog-top h2{font-size:22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}