/* Instrument-led revision: coherent blue and white, equipment and scientific evidence. */
:root{--ink:#123454;--blue:#1768bd;--wash:#f2f6fa;--muted:#536a7f;--line:#dbe4ed;scroll-behavior:smooth;scroll-padding-top:170px}[hidden]{display:none!important}h1{letter-spacing:-.035em}h2{font-size:32px}h3{font-size:22px}.eyebrow{font-size:13px;letter-spacing:1.4px}.fineprint,.tag,.element-tag,.card-bottom,.footer-address{font-size:14px}.section{padding-top:76px;padding-bottom:76px}.section-heading{margin-bottom:34px}.section-heading .eyebrow{margin-bottom:12px}summary:focus-visible{outline:3px solid #36a6ed;outline-offset:4px}
.site-header{position:sticky;top:0;z-index:30;height:96px;padding:0 4%;gap:24px;background:#fffffffa;border-bottom:1px solid #d8e1ea;backdrop-filter:blur(12px)}.brand{flex-shrink:0}.brand img{width:190px;max-height:58px}.main-navigation{gap:22px;font-size:15px;align-items:center}.main-navigation>a{white-space:nowrap}.nav-cta{background:var(--blue);border-color:var(--blue);color:white;padding:10px 18px;white-space:nowrap}.menu-toggle{display:none}.product-menu>summary{cursor:pointer;white-space:nowrap;list-style:none;padding:25px 0}.product-menu>summary:after{content:'⌄';padding-left:8px}.product-menu>summary::-webkit-details-marker{display:none}.product-menu[open]>summary{color:var(--blue)}.mega-menu{position:absolute;top:95px;left:0;width:100%;background:white;box-shadow:0 20px 35px #12345420;border-bottom:3px solid var(--blue);padding:28px 6% 18px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.mega-menu>a{display:flex;flex-direction:column;background:#f4f7fa;padding:16px 20px}.mega-menu img{width:100%;height:120px;object-fit:contain;margin-bottom:15px}.mega-menu strong{font-size:17px}.mega-menu span{font-size:14px;color:var(--muted);margin-top:4px}.mega-links{grid-column:1/-1;display:flex;justify-content:flex-end;gap:30px;border-top:1px solid var(--line);padding-top:12px;font-size:14px}.mega-menu a:hover{color:var(--blue)}
.instrument-hero{grid-template-columns:.88fr 1.12fr;min-height:610px;padding:58px 5% 65px;background:#eef4f9;gap:4%;align-items:center}.instrument-hero h1{font-size:clamp(36px,3.65vw,60px);line-height:1.4;letter-spacing:-.045em}.instrument-hero .hero-copy>p:not(.eyebrow){font-size:18px;line-height:1.9}.instrument-hero figure{box-shadow:0 22px 48px #12345417;width:100%}.instrument-hero img{width:100%;height:440px;display:block;object-fit:cover}.instrument-hero figcaption{padding:20px 22px;font-size:15px;gap:20px}.instrument-hero figcaption strong{font-size:19px;display:block}.instrument-hero figcaption span{display:block;font-size:14px;margin-top:4px}.instrument-hero figcaption a{color:var(--blue);white-space:nowrap}.hero-capabilities{display:flex;gap:18px;flex-wrap:wrap;border-top:1px solid #cfdae5;margin-top:38px;padding-top:18px;font-size:14px;color:#47647d}.hero-capabilities span+span{border-left:1px solid #bfccda;padding-left:18px}.family-grid>a{border-top:0;padding:0 0 22px;background:white;border-bottom:2px solid var(--line)}.family-grid>a:hover{border-color:var(--blue)}.family-grid>a>span,.family-grid>a>h3,.family-grid>a>p{margin-left:18px;margin-right:18px}.family-image{height:300px}.family-image img{max-width:88%;max-height:88%}.family-grid span{font-size:14px}.family-grid h3{font-size:24px}.search-strip{background:#fff;border:1px solid var(--line);box-shadow:0 10px 24px #11365408}.search-strip label{font-size:16px}.case-home{background:#edf3f8}.case-card{border:0;border-bottom:3px solid #d6e0eb}.case-card:hover{border-color:var(--blue)}.case-image{height:250px;background:white;border-bottom:1px solid #e6edf4}.case-image img{object-fit:contain;padding:18px}.case-body{padding:26px}.case-body p{font-size:16px;line-height:1.8;-webkit-line-clamp:4}.case-body h3{font-size:22px}.case-image>span:last-child{font-size:14px;background:#18466c}.card-bottom{padding-top:18px}.application-band{background:#123454;padding:75px 6%}.application-band .button{background:white;color:var(--ink)}.news-card{border-radius:0;border:0;border-bottom:2px solid var(--line);background:#f4f7fa}.news-card h3{font-size:22px}.news-card p{font-size:16px}.news-card>img{height:240px}.page-intro{padding:48px 5% 42px;background:#eef4f9}.page-intro h1{font-size:42px}.page-intro>.eyebrow{margin-bottom:14px}.page-intro>p:last-child{font-size:17px}.filters{padding:24px;background:#f3f6fa;border:1px solid var(--line)}.filters>label{font-size:15px}.tabs button{font-size:16px}.results-bar{font-size:16px}
.product-grid{gap:28px}.product-card{display:flex;flex-direction:column;padding:0;border:1px solid var(--line);background:white;transition:box-shadow .2s,border-color .2s}.product-card:hover{border-color:#85afd5;box-shadow:0 10px 24px #12345410}.product-image{height:280px;background:#f1f5f9}.product-image img{width:88%;height:88%;object-fit:contain}.product-body{padding:24px;flex:1;display:flex;flex-direction:column}.product-body .eyebrow{font-size:13px;letter-spacing:.5px}.product-body p{font-size:16px;line-height:1.8}.product-body h3{font-size:23px;margin-top:10px}.card-specs{font-size:14px;margin:0 0 20px}.card-specs>div{display:grid;grid-template-columns:minmax(80px,.7fr) minmax(0,1.3fr);gap:12px;border-top:1px solid var(--line);padding:10px 0}.card-specs dt{color:var(--muted)}.card-specs dd{margin:0;overflow-wrap:anywhere}.cell-catalog .product-image img{object-fit:contain}.cell-catalog #cell-result-count{margin:28px 0;color:var(--muted);font-size:16px}.cell-detail{gap:5%}.cell-gallery button{border-radius:0}.cell-gallery img{object-fit:contain}
.equipment-overview{padding-top:35px;padding-bottom:50px}.equipment-overview .back{margin-bottom:22px}.equipment-overview .product-detail{padding-top:0;gap:6%;align-items:center}.equipment-overview h1{font-size:clamp(34px,3.4vw,52px);line-height:1.3;letter-spacing:-.025em}.equipment-overview .product-photo{height:470px}.equipment-overview .product-photo img{width:90%;height:90%;object-fit:contain}.equipment-overview .lead{font-size:18px}.equipment-overview .actions{margin-top:26px}.metric-strip{margin-top:30px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;border-top:1px solid var(--line);padding-top:20px}.metric-strip>div+div{border-left:1px solid var(--line);padding-left:14px}.metric-strip dt{font-size:14px;color:var(--muted);margin-bottom:8px}.metric-strip dd{font-size:16px;margin:0;font-weight:600;line-height:1.65;overflow-wrap:anywhere}.detail-nav{position:sticky;top:95px;z-index:20;display:flex;justify-content:center;background:#123454;gap:10px;padding:0 5%;color:white;box-shadow:0 5px 12px #16345310}.detail-nav a{padding:17px 25px;font-size:16px;border-bottom:3px solid transparent}.detail-nav a:hover,.detail-nav a.current{color:white;background:#1d4c75;border-color:#69b8f8}.specs{max-width:1250px;padding-top:60px}.specs h2{margin-bottom:30px}.specs dl>div{padding:20px;grid-template-columns:1fr 2.2fr}.specs dl>div:nth-child(odd){background:#f1f5f9}.specs dd{font-weight:500}.instrument-applications{background:#f0f5f9;max-width:none;padding-left:8%;padding-right:8%}.instrument-applications p{font-size:18px}.application-links{display:flex;gap:30px;flex-wrap:wrap;margin-top:30px}.site-preparation{background:#f7f9fc;max-width:none}.site-prep-layout{max-width:1450px;margin:auto}.site-prep-layout.has-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:5%;align-items:start}.site-requirements{margin:0}.site-requirements>div{display:grid;grid-template-columns:130px minmax(0,1fr);gap:20px;border-top:1px solid #d7e1eb;padding:17px 0}.site-requirements dt{color:var(--muted);font-size:15px}.site-requirements dd{margin:0;font-size:16px;line-height:1.8}.installation-image{margin:0;position:sticky;top:180px}.installation-image button{padding:0;background:white}.installation-image img{display:block;max-height:none;aspect-ratio:4/3;object-fit:contain}.installation-image figcaption{font-size:14px;color:var(--muted);margin-top:12px}.equipment-downloads{display:flex;justify-content:space-between;align-items:center;gap:40px}.equipment-downloads h2{font-size:30px}.download-actions{display:flex;gap:18px;flex-wrap:wrap;flex-shrink:0}.button.secondary{background:transparent;color:var(--blue);border:1px solid var(--blue)}.table-scroll table{font-size:16px}.table-scroll th,.table-scroll td{padding:18px}.table-scroll th:first-child{position:sticky;left:0;background:#edf3f8;color:var(--ink);z-index:1}.table-scroll thead th:first-child{background:var(--ink);color:white}
.network-section{background:#103355;color:white;display:grid;grid-template-columns:1fr .9fr;gap:7%;padding:65px 7%;align-items:center}.network-section .eyebrow{color:#9cc9ef}.network-copy h1{font-size:clamp(36px,3.6vw,54px);margin-bottom:25px}.network-copy h2{font-size:clamp(22px,2.15vw,32px);line-height:1.7;margin-bottom:22px}.network-copy>p:not(.eyebrow){color:#c6d9e9;font-size:17px}.network-copy>.button{margin:15px 0 28px;background:white;color:var(--ink)}.network-locations{border-top:1px solid #4b6a87;padding-top:10px}.network-locations>div{padding:18px 0;border-bottom:1px solid #345675}.network-locations span{display:block;font-size:14px;color:#9ec2df;margin-bottom:7px}.network-locations strong{font-size:20px;font-weight:500}.network-locations p{font-size:14px;color:#c5d8e8;margin:4px 0 0}.network-art{margin:0}.network-art .zoom-image{background:transparent;border:1px solid #ffffff30}.network-art img{width:100%;max-height:none;height:auto;display:block}.network-art .zoom-image span{background:#ffffffec;color:#123454}.contact-layout{scroll-margin-top:130px}.contact-layout h2{font-size:32px}.contact-layout input,.contact-layout select,.contact-layout textarea{font-size:16px}.quick-contact{position:fixed;right:0;top:42%;display:flex;flex-direction:column;z-index:25;box-shadow:0 4px 20px #112d4920}.quick-contact a{padding:13px 10px;writing-mode:vertical-rl;letter-spacing:2px;background:white;color:var(--blue);border:1px solid var(--line);font-size:14px}.quick-contact a:first-child{background:var(--blue);color:white;border-color:var(--blue)}footer{padding:52px 5%;font-size:15px}.article-layout{gap:45px}.article aside{top:130px}.spectrum .zoom-image img{object-fit:contain}dialog{padding:24px}dialog img{height:auto;max-height:none}
@media(max-width:1180px){.site-header{gap:16px;padding:0 3%}.brand img{width:170px}.main-navigation{gap:15px;font-size:14px}.nav-cta{padding:9px 12px}.instrument-hero h1{font-size:40px}.instrument-hero img{height:400px}.equipment-overview .product-photo{height:400px}.equipment-downloads{align-items:start;flex-direction:column}.site-prep-layout.has-layout{gap:30px}.site-requirements>div{grid-template-columns:100px 1fr}.network-section{gap:5%;padding:55px 5%}.network-copy h2{font-size:24px}.family-image{height:260px}}
@media(max-width:950px){:root{scroll-padding-top:145px}.site-header{height:80px;min-height:80px;flex-wrap:nowrap;padding:10px 5%}.brand img{width:175px;height:auto}.menu-toggle{display:block;margin-left:auto;color:var(--ink);border:1px solid var(--line);background:white;padding:7px 12px}.main-navigation{display:none;position:absolute;top:80px;left:0;right:0;width:100%;max-height:75vh;overflow:auto;background:white;padding:20px 5%;border-bottom:2px solid var(--blue);flex-direction:column;align-items:stretch;gap:0;font-size:16px}.main-navigation.is-open{display:flex}.main-navigation>a{padding:12px 0;border-bottom:1px solid var(--line)}.product-menu>summary{padding:12px 0}.mega-menu{position:static;box-shadow:none;width:auto;grid-template-columns:repeat(2,minmax(0,1fr));padding:14px 0;border-bottom:0;gap:12px}.mega-menu img{height:85px}.mega-menu>a{padding:12px}.mega-links{flex-wrap:wrap;justify-content:start;gap:12px 22px}.instrument-hero{grid-template-columns:1fr;gap:35px;padding:40px 5%;min-height:0}.instrument-hero h1{font-size:44px}.instrument-hero img{height:440px}.hero-capabilities{margin-top:25px}.hero-copy .actions{margin-top:25px}.detail-nav{top:79px;justify-content:start;gap:0;overflow:auto;white-space:nowrap;padding:0 3%}.detail-nav a{padding:13px 20px;font-size:15px}.site-prep-layout.has-layout{grid-template-columns:1fr}.installation-image{position:static;max-width:900px}.network-section{grid-template-columns:1fr 1fr;gap:5%}.network-copy h1{font-size:34px}.network-copy h2{font-size:21px}.network-copy>p:not(.eyebrow){font-size:16px}.network-locations strong{font-size:18px}.network-copy>.button{font-size:15px;padding:12px 17px}.network-art{align-self:start}.equipment-overview .product-detail{gap:30px}.equipment-overview .product-photo{height:350px}.metric-strip{grid-template-columns:1fr;gap:0}.metric-strip>div{padding:8px 0;display:grid;grid-template-columns:110px 1fr;gap:14px}.metric-strip>div+div{padding-left:0;border:0}.metric-strip dt{margin:0}.equipment-overview h1{font-size:34px}.family-grid>a:last-child{grid-column:auto}.family-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.family-grid h3{font-size:20px}.family-image{height:220px}.family-grid p{font-size:15px}}
@media(max-width:700px){.section{padding:44px 5%}.site-header{gap:10px}.brand img{width:155px}.nav-cta{font-size:13px;padding:9px 10px}.menu-toggle{font-size:14px}.instrument-hero h1{font-size:34px;letter-spacing:-.04em}.instrument-hero .hero-copy>p:not(.eyebrow){font-size:16px}.instrument-hero img{height:300px}.instrument-hero figcaption{padding:15px;flex-wrap:wrap}.instrument-hero figcaption strong{font-size:18px}.hero-capabilities{gap:12px;font-size:13px}.hero-capabilities span+span{padding-left:12px}.hero .actions{gap:20px}.hero .button{padding:12px 20px}.family-grid{grid-template-columns:1fr}.family-image{height:270px}.family-grid h3{font-size:24px}.family-grid p{font-size:16px}.section-heading h2,h2{font-size:28px}.page-intro h1{font-size:32px}.page-intro>p:last-child{font-size:16px}.filters{padding:20px 16px;gap:16px}.filters>label{min-width:100%}.filters input,.filters select{font-size:16px}.case-image{height:255px}.case-body h3{font-size:22px}.product-image{height:290px}.equipment-overview .product-photo{height:320px}.equipment-overview .product-detail{display:flex;flex-direction:column}.equipment-overview .product-detail>div{width:100%}.equipment-overview .product-detail>div:last-child{order:-1}.equipment-overview .lead{font-size:17px}.metric-strip>div{grid-template-columns:120px 1fr}.detail-nav a{padding:12px 18px}.specs dl>div{grid-template-columns:1fr;padding:17px;gap:8px}.site-requirements>div{grid-template-columns:1fr;gap:8px;padding:17px 0}.site-requirements dt{font-weight:600;color:var(--ink)}.network-section{grid-template-columns:1fr;padding:40px 5%;gap:32px}.network-copy h1{font-size:36px}.network-copy h2{font-size:23px;line-height:1.65}.network-art{max-width:520px;width:100%;margin:auto}.network-locations>div{padding:14px 0}.network-copy>.button{margin-bottom:20px}.contact-layout{gap:38px}.quick-contact{right:0;left:0;top:auto;bottom:0;flex-direction:row;box-shadow:0 -3px 18px #16365420;padding-bottom:env(safe-area-inset-bottom);background:white}.quick-contact a{writing-mode:horizontal-tb;letter-spacing:0;text-align:center;flex:1;font-size:16px;padding:12px}body{padding-bottom:55px}.table-scroll table{font-size:15px}.table-scroll th,.table-scroll td{padding:14px}.application-links{flex-direction:column;gap:18px}.equipment-downloads{gap:18px}.equipment-downloads h2{font-size:27px}.download-actions{width:100%;gap:14px}.download-actions .button{font-size:15px}.article aside{position:static}.cell-detail{gap:25px}.download-list b{font-size:14px}.download-list>a{flex-wrap:wrap}.download-list>a>div{flex:1;min-width:180px}.footer-address{font-size:14px}.element-tile em{font-size:12px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
.card-specs dd{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.card-specs{flex:1}.product-body>.card-bottom{margin-top:auto}
/* Revision 4: full instrument photograph and a stronger, readable type hierarchy. */
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:1.125rem;line-height:1.85;color:#18354f}
h1,h2,h3{font-weight:700;letter-spacing:0;line-height:1.45;text-wrap:pretty}
h2,.section-heading h2,.contact-layout h2{font-size:clamp(1.875rem,2.65vw,2.625rem)}
h3{font-size:1.5rem}
.site-header{padding-inline:3.5%;gap:20px}
.main-navigation{font-size:1.125rem;font-weight:700;letter-spacing:.045em;gap:24px}
.main-navigation>a,.product-menu>summary{position:relative}
.main-navigation>a:after{content:"";position:absolute;height:3px;left:0;right:0;bottom:-10px;background:var(--blue);transform:scaleX(0);transition:transform .18s}
.main-navigation>a:hover:after,.main-navigation>a:focus-visible:after{transform:scaleX(1)}
.nav-cta{font-size:1rem;font-weight:700;letter-spacing:.04em;padding:12px 19px}
.mega-menu{font-weight:400;letter-spacing:0}
.mega-menu strong{font-size:1.25rem;font-weight:700}
.mega-menu span,.mega-links{font-size:1rem;line-height:1.7}
.eyebrow,.product-body .eyebrow{font-size:.9375rem;letter-spacing:.12em;font-weight:700}
.instrument-hero{grid-template-columns:.9fr 1.1fr;gap:4%;padding-block:60px}
.instrument-hero h1{font-size:clamp(2.5rem,3.55vw,4rem);letter-spacing:0;line-height:1.4;font-weight:700}
.instrument-hero .hero-copy>p:not(.eyebrow){font-size:1.25rem;line-height:1.95}
.instrument-hero img{height:auto;max-height:none;aspect-ratio:auto;object-fit:contain;object-position:center}
.instrument-hero figcaption{padding:24px;font-size:1rem;gap:16px;flex-wrap:wrap}
.instrument-hero figcaption strong{font-size:1.5rem;line-height:1.45;font-weight:700;letter-spacing:.005em}
.instrument-hero figcaption span{font-size:1rem;line-height:1.7;color:#4c647a}
.instrument-hero figcaption a{font-size:1rem;font-weight:600}
.hero-capabilities{font-size:1rem;gap:14px;line-height:1.7}
.hero-capabilities span+span{padding-left:14px}
.button,.text-link{font-size:1.0625rem;font-weight:700;letter-spacing:.025em}
.family-grid h3,.product-body h3{font-size:1.625rem;line-height:1.5}
.family-grid p,.product-body p,.case-body p,.news-card p{font-size:1.0625rem;line-height:1.9}
.family-grid span{font-size:.9375rem}
.case-body h3,.news-card h3{font-size:1.5rem;line-height:1.6;font-weight:700}
.card-specs{font-size:1rem;line-height:1.75}
.card-specs dt{color:#50667a}
.card-specs dd{font-weight:500}
.fineprint,.tag,.element-tag,.card-bottom,.footer-address{font-size:.9375rem;line-height:1.8}
.card-bottom{font-weight:600}
.case-image>span:last-child{font-size:.9375rem}
.page-intro h1{font-size:clamp(2.25rem,3.5vw,3.25rem);letter-spacing:0;font-weight:700}
.page-intro>p:last-child,.lead,.equipment-overview .lead{font-size:1.125rem;line-height:1.9}
.search-strip label,.filters>label,.form-grid label{font-size:1.0625rem;font-weight:600}
input,select,textarea,.contact-layout input,.contact-layout select,.contact-layout textarea{font-size:1.0625rem;line-height:1.6}
.tabs button,.results-bar,.cell-catalog #cell-result-count,.reset{font-size:1.0625rem}
.equipment-overview h1{font-size:clamp(2.25rem,3.4vw,3.5rem);letter-spacing:0;font-weight:700}
.metric-strip dt{font-size:1rem;line-height:1.6}
.metric-strip dd{font-size:1.125rem;line-height:1.75}
.detail-nav a{font-size:1.0625rem;font-weight:600;letter-spacing:.035em}
.specs dt,.specs dd,.site-requirements dt,.site-requirements dd,.table-scroll table{font-size:1.0625rem;line-height:1.85}
.specs dt,.site-requirements dt{font-weight:600;color:#405d75}
.specs dd{font-weight:400}
.installation-image figcaption,.cell-gallery figcaption,.spectrum figcaption,.zoom-image span{font-size:.9375rem;line-height:1.8}
.instrument-applications p{font-size:1.125rem}
.equipment-downloads h2{font-size:2rem}
.network-copy h1{font-size:clamp(2.25rem,3.6vw,3.5rem);letter-spacing:0}
.network-copy h2{font-size:clamp(1.5rem,2.15vw,2rem);font-weight:700}
.network-copy>p:not(.eyebrow){font-size:1.125rem;line-height:1.9}
.network-locations span,.network-locations p{font-size:1rem}
.network-locations strong{font-size:1.375rem;font-weight:600}
.network-copy>.button{font-size:1.0625rem}
.download-list h3,.tutorial-grid h3{font-size:1.375rem}
.download-list p,.download-list b,.tutorial-grid span,.file-icon{font-size:1rem}
.article h1{font-size:clamp(1.875rem,3vw,2.75rem);font-weight:700;line-height:1.5}
.article h2{font-size:1.875rem;line-height:1.5}
.article aside,.article aside .button,.original-title,.figure-note,.back,dialog p{font-size:1rem}
.prose{line-height:1.95}
.news-article h1{font-size:clamp(1.875rem,3vw,2.75rem)}
.element-legend span,.element-tile span{font-size:1rem}
.element-tile small,.element-tile em{font-size:.875rem}
.quick-contact a{font-size:1rem}
footer{font-size:1rem;line-height:1.9}
footer strong{font-size:1.75rem}
@media(max-width:1180px) and (min-width:951px){.site-header{padding-inline:2.5%;gap:14px}.brand img{width:155px}.main-navigation{gap:14px;font-size:1.0625rem;letter-spacing:0}.nav-cta{padding:10px 13px;font-size:.9375rem}}
@media(max-width:950px){.site-header{padding-inline:5%}.main-navigation{font-size:1.125rem;gap:0;letter-spacing:.04em}.main-navigation>a:after{display:none}.instrument-hero{grid-template-columns:1fr;padding-block:40px}.instrument-hero h1{font-size:clamp(2.125rem,5.3vw,3rem)}.instrument-hero img{height:auto}.family-grid h3{font-size:1.375rem}.equipment-overview h1{font-size:2.25rem}.network-copy h1{font-size:2.125rem}.network-copy h2{font-size:1.4375rem}.network-copy>p:not(.eyebrow){font-size:1.0625rem}}
@media(max-width:700px){body{font-size:1.0625rem;line-height:1.85}.site-header{gap:9px}.brand img{width:145px}.menu-toggle{font-size:1rem;font-weight:600;padding:7px 10px}.nav-cta{font-size:.9375rem;padding:9px 10px;letter-spacing:0}.instrument-hero{padding:36px 5% 42px}.instrument-hero h1{font-size:clamp(2rem,7.7vw,2.625rem);letter-spacing:0}.instrument-hero .hero-copy>p:not(.eyebrow){font-size:1.125rem}.instrument-hero img{height:auto}.instrument-hero figcaption{padding:18px;gap:12px}.instrument-hero figcaption strong{font-size:1.375rem}.instrument-hero figcaption span,.instrument-hero figcaption a{font-size:1rem}.hero-capabilities{font-size:.9375rem;gap:10px}.hero-capabilities span+span{padding-left:10px}.hero .actions{gap:18px}.hero .button{padding:12px 18px}.section-heading h2,h2,.contact-layout h2{font-size:1.875rem}.family-grid h3,.product-body h3{font-size:1.5rem}.page-intro h1,.equipment-overview h1{font-size:2.125rem}.detail-nav a{font-size:1rem;padding:13px 17px}.equipment-downloads h2{font-size:1.875rem}.download-actions .button{font-size:1rem}.table-scroll table{font-size:1rem}.network-copy h1{font-size:2.25rem}.network-copy h2{font-size:1.5rem}.download-list b,.footer-address{font-size:.9375rem}.article h2{font-size:1.625rem}.quick-contact a{font-size:1rem}.metric-strip dd{font-size:1.0625rem}}


@font-face{font-family:"Rapid Sans";src:url("/assets/rapid-noto-sans-sc.woff2?v=10") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}body{font-family:"Rapid Sans","PingFang SC","Microsoft YaHei",Arial,sans-serif}
.menu-toggle{white-space:nowrap;flex-shrink:0}@media(max-width:360px){.brand img{width:120px}.nav-cta{font-size:.875rem;padding:9px 8px}.menu-toggle{padding:7px 8px}.site-header{gap:8px}}
/* Scientific typography: precise display lettering, quiet surfaces and crisp controls. */
@font-face{font-family:"Rapid Display";src:url("/assets/rapid-display.woff2") format("woff2");font-style:normal;font-weight:600;font-display:swap}
:root{--ink:#122f4c;--blue:#0666c8;--muted:#51667b}
body{font-size:1.0625rem;line-height:1.85}
h1,h2,h3,.instrument-hero figcaption strong,.metric-strip dd,.element-tile strong{font-family:"Rapid Display","Rapid Sans","Microsoft YaHei",sans-serif;font-weight:600;font-variant-numeric:lining-nums tabular-nums}
.instrument-hero h1,.equipment-overview h1,.page-intro h1{font-weight:650;letter-spacing:.015em;line-height:1.45}
h2,.section-heading h2{font-weight:650;letter-spacing:.025em}
.main-navigation{font-weight:600;font-size:1.125rem;letter-spacing:.04em;gap:22px}
.product-menu>summary{display:flex;align-items:center;gap:10px}
.product-menu>summary:after{content:"";display:block;width:8px;height:8px;padding:0;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);margin-top:-4px}
.product-menu[open]>summary:after{transform:rotate(225deg);margin-top:4px}
.eyebrow,.product-body .eyebrow{font-family:"Rapid Display","Rapid Sans",sans-serif;font-size:1rem;font-weight:600;letter-spacing:.15em}
.section-heading .eyebrow:before,.course-section>.eyebrow:before{content:"";display:inline-block;width:22px;height:2px;background:currentColor;vertical-align:middle;margin-right:12px}
.instrument-hero figcaption strong{font-size:1.875rem;letter-spacing:.025em;line-height:1.3}
.product-body h3,.family-grid h3{font-size:1.625rem;font-weight:650;letter-spacing:.015em}
.button,.nav-cta,.text-link{font-weight:600}
.specs dt,.specs dd,.site-requirements dt,.site-requirements dd{font-size:1.0625rem;font-variant-numeric:tabular-nums;letter-spacing:.01em}
.hero-capabilities{font-size:.9375rem;letter-spacing:.02em}
.search-strip{position:relative;z-index:4;overflow:visible;align-items:end}
.filter-field{flex:1;min-width:160px;position:relative;font-size:1.0625rem;font-weight:600}
.filter-field>label{display:block;margin-bottom:9px;color:var(--ink);font-size:1.0625rem}
.filter-trigger{display:flex;align-items:center;justify-content:space-between;gap:18px;cursor:pointer;background:white;border:1px solid #b7cadd;border-radius:0;width:100%;min-height:54px;padding:13px 16px;color:var(--ink);text-align:left;font-size:1.0625rem;font-weight:500;line-height:1.6}
.filter-trigger[aria-expanded="true"]{border-color:var(--blue);box-shadow:0 0 0 2px #0666c816}
.chevron{display:block;width:9px;height:9px;flex-shrink:0;border-bottom:2px solid var(--blue);border-right:2px solid var(--blue);transform:rotate(45deg);margin-right:4px;margin-top:-5px}
.filter-trigger[aria-expanded="true"] .chevron{transform:rotate(225deg);margin-top:5px}
.filter-panel{position:absolute;top:100%;left:0;right:0;min-width:230px;z-index:15;background:#fff;border:1px solid #b5c8dc;border-top:3px solid var(--blue);box-shadow:0 12px 28px #12345424;padding:12px;margin-top:6px}
.filter-panel input{margin:0!important;width:100%;font-size:1rem;padding:10px 12px;font-weight:400}
.filter-count{font-size:.875rem;font-weight:400;color:var(--muted);margin:10px 5px}
.filter-options{max-height:280px;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable;scrollbar-width:auto;scrollbar-color:#7397b9 #eef3f8}
.filter-option{display:block;width:100%;border:0;border-bottom:1px solid #eef2f6;background:#fff;color:var(--ink);padding:11px 12px;text-align:left;cursor:pointer;font-size:1rem;font-weight:400;line-height:1.6}
.filter-option:hover,.filter-option:focus-visible{background:#eff6ff;color:var(--blue);outline-offset:-2px}
.filter-option[aria-selected="true"]{background:#e6f1ff;color:#065cae;font-weight:600;border-left:3px solid var(--blue)}
.filters{position:relative;z-index:4;overflow:visible}
.course-section{scroll-margin-top:110px}
.course-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:32px}
.course-card{display:grid;grid-template-columns:48px 1fr;gap:20px;padding:28px;background:#f3f7fb;border:1px solid #d9e4ef;transition:border-color .2s,background .2s}
.course-card:hover{border-color:var(--blue);background:#eaf3ff}
.course-number{font-family:"Rapid Display",sans-serif;font-size:2.25rem;font-weight:600;color:#2a79bd;line-height:1.2;border-top:2px solid #2a79bd;padding-top:8px}
.course-type{font-size:.875rem;letter-spacing:.06em;color:#52708b}
.course-card h3{font-family:"Rapid Display","Rapid Sans",sans-serif;font-size:1.375rem;font-weight:600;line-height:1.6;margin:8px 0 18px}
.course-card time{font-size:.9375rem;color:#61768b;font-variant-numeric:tabular-nums}
.course-read{display:block;margin-top:18px;font-size:1rem;color:var(--blue);font-weight:600}
.link-arrow{display:inline-block;width:18px;height:2px;background:currentColor;position:relative;vertical-align:middle;margin-left:8px}
.link-arrow:after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:2px solid currentColor;border-right:2px solid currentColor;transform:rotate(45deg)}
.legacy-tutorials{margin-top:32px;border-top:1px solid var(--line);padding-top:22px}.legacy-tutorials>summary{font-size:1.125rem;font-weight:600;cursor:pointer;margin-bottom:22px}
.wechat-news{background:#f1f6fb;max-width:none}.wechat-news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:32px}
.wechat-news-card{padding:28px;background:white;border-top:3px solid #2a79bd;display:flex;flex-direction:column}.wechat-news-card h3{font-size:1.375rem;line-height:1.6;margin-block:24px}.wechat-news-card>p{font-size:.9375rem;color:var(--muted)}.wechat-news-card>.text-link{margin-top:auto;padding-top:22px}.news-meta{display:flex;gap:12px;justify-content:space-between;font-size:.875rem;color:#4d6e8b}
@media(max-width:1180px) and (min-width:951px){.main-navigation{font-size:1rem;gap:13px;letter-spacing:.015em}.site-header{padding-inline:2%;gap:12px}.brand img{width:150px}}
@media(max-width:950px){.main-navigation{font-size:1.125rem;gap:0}.course-grid{gap:14px}.course-card{padding:22px;gap:14px;grid-template-columns:38px 1fr}.wechat-news-grid{grid-template-columns:1fr}.search-strip>.filter-field{min-width:220px}.instrument-hero figcaption strong{font-size:1.75rem}}
@media(max-width:700px){.filter-field,.search-strip>.filter-field{min-width:100%;width:100%}.filter-panel{min-width:0}.filter-options{max-height:240px}.course-grid{grid-template-columns:1fr}.course-card h3{font-size:1.25rem}.course-card{padding:22px 18px}.instrument-hero h1{letter-spacing:0}.instrument-hero figcaption strong{font-size:1.625rem}.eyebrow{font-size:.9375rem}.section-heading h2,h2{font-size:1.875rem;line-height:1.5}.filter-trigger{min-height:54px}.search-strip>.button{width:100%}}