/* Portal hierarchy adapted to Ruilong's verified catalogue content. */
body{background:white;color:#263832}main{max-width:none}.portal-header{position:sticky;top:0;z-index:30;max-width:none;width:100%;height:92px;padding:0 5%;background:#fff;border-bottom:1px solid #e8ece9;gap:45px;flex-wrap:nowrap}.portal-header .brand{font-size:22px}.header-tools{display:flex;align-items:center;gap:20px;margin-left:auto}.language-switch{border:0}.language-switch select{background:white;max-width:128px}.site-navigation{margin-left:auto}.site-navigation>summary{display:none}.site-navigation nav{gap:30px;font-size:14px;white-space:nowrap;width:auto}.nav-group{display:flex;align-items:center;gap:7px}.nav-group>a{padding:33px 0}.nav-group>a[aria-current=page]{color:#98714f;border-bottom:3px solid #98714f}.nav-disclosure>summary,.header-search>summary{list-style:none;cursor:pointer;padding:12px 3px;font-size:13px}.nav-disclosure>summary::-webkit-details-marker,.header-search>summary::-webkit-details-marker{display:none}.nav-disclosure[open]>summary{color:#a87d57}.mega-menu{position:absolute;top:91px;left:0;width:100%;padding:35px 8%;display:grid;grid-template-columns:1fr 2.5fr;gap:70px;background:#f8faf8;border-top:1px solid #e0e5e1;box-shadow:0 25px 35px #162e2320;white-space:normal}.mega-menu h2{font-size:30px;margin:12px 0}.mega-menu>div>span{font-size:10px;letter-spacing:2px;color:#8f775e}.mega-menu>div>a{font-size:12px}.mega-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px 25px;align-content:center}.mega-links a{display:flex;justify-content:space-between;gap:20px;padding:15px 0;border-bottom:1px solid #dce4dc;font-size:14px}.header-search form{position:absolute;right:5%;top:91px;display:flex;background:#fff;box-shadow:0 20px 30px #102c2530;padding:24px;gap:12px;width:min(560px,90vw)}.header-search input{min-width:0;flex:1;border:1px solid #c1cec4;padding:12px}.header-search button{background:#153b33;color:#fff;border:0;padding:10px 20px;cursor:pointer;white-space:nowrap}.header-search summary{white-space:nowrap}.portal-hero{position:relative;background:linear-gradient(110deg,#10271f,#24493b 60%,#91a697);color:#fff;min-height:690px;height:calc(100svh - 92px);max-height:950px;overflow:hidden}.portal-hero:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,transparent 0,transparent 190px,#ffffff08 191px,#ffffff08 192px);pointer-events:none}.hero-slides{height:100%}.hero-slides>article{position:relative;display:grid;grid-template-columns:1fr 1fr;align-items:center;height:100%;padding:55px 7% 100px;gap:5%}.banner-copy>span{font-size:14px;letter-spacing:5px;color:#d1b795}.banner-copy h1{font-size:clamp(34px,4vw,62px);line-height:1.3;letter-spacing:-1px;max-width:650px;margin:28px 0}.banner-copy p{font-size:17px;max-width:560px;line-height:1.9;color:#d9e2db;margin:0 0 35px}.banner-copy .button{background:#a8815e;color:#fff;min-width:170px;justify-content:space-between}.banner-product{display:block;min-width:0;background:#fff;padding:22px;box-shadow:0 30px 60px #071c2035}.banner-product img{display:block;width:100%;height:clamp(270px,36vw,540px);object-fit:contain}.banner-product>span{display:block;padding:14px 4px 0;font-size:12px;color:#4e6256;border-top:1px solid #e3e8e3;line-height:1.8}.slider-controls{position:absolute;left:7%;right:7%;bottom:35px;display:flex;align-items:center;justify-content:space-between;gap:30px}.slider-controls button{cursor:pointer;background:transparent;color:#fff;border:1px solid #b2c0b8;width:46px;height:46px;border-radius:50%;font-size:18px;margin-right:10px}.slider-dots button{width:44px;height:32px;border-radius:0;border:0;border-bottom:2px solid #799a89;font-size:12px;opacity:.6}.slider-dots button[aria-pressed=true]{opacity:1;border-color:#d0b08e}.hero-scroll{position:absolute;left:48%;bottom:45px;font-size:10px;letter-spacing:2px;color:#c6d5cb}.portal-overview{background:#f1f3f1;padding:85px 8%;display:grid;grid-template-columns:1.4fr 1fr;gap:9%;align-items:center}.portal-overview>div>span,.portal-network>span{font-size:12px;letter-spacing:3px;color:#8d795e}.portal-overview h2{font-size:32px;line-height:1.6;margin:18px 0 23px}.portal-overview p{color:#667269;font-size:14px;line-height:2;max-width:700px}.outline-button{display:inline-flex;border:1px solid #74877a;padding:13px 25px;gap:45px;margin-top:18px;font-size:13px}.overview-stats{display:grid;grid-template-columns:1fr 1fr;gap:38px 25px}.overview-stats>div{border-bottom:1px solid #ccd7ce;padding-bottom:18px;display:flex;flex-direction:column;gap:7px}.overview-stats strong{font-size:60px;font-weight:300;line-height:1.2;color:#183e2f}.overview-stats span{font-size:12px;color:#718073}.overview-stats>div:last-child{grid-column:1/-1}.portal-heading{text-align:center;margin-bottom:40px}.portal-heading h2{font-size:36px;margin:0 0 6px;font-weight:500}.portal-heading>span{font-size:16px;letter-spacing:5px;color:#87928a}.portal-heading p{font-size:14px;color:#69796d;max-width:750px;margin:18px auto 0;line-height:1.9}.portal-ranges,.portal-applications{padding:75px 8%}.range-tabs{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));border-bottom:1px solid #d1dcd2;margin:0 0 40px}.range-tabs button{border:0;border-bottom:3px solid transparent;background:#fff;color:#506457;cursor:pointer;padding:15px 8px 22px;font-size:15px;line-height:1.5;min-width:0}.range-tabs button>span{display:block;font-size:22px;font-weight:300;color:#9cac9e;margin-bottom:10px}.range-tabs button[aria-pressed=true]{color:#8f6848;border-bottom-color:#9f7753}.range-panel{display:grid;grid-template-columns:1.1fr 1fr;gap:9%;align-items:center;min-height:420px;background:#f5f7f4;padding:30px 5%}.range-panel>a{display:block;min-width:0;background:#fff}.range-panel img{width:100%;height:355px;display:block;object-fit:contain}.range-panel>div>span,.application-panel>div>span{font-size:11px;letter-spacing:2px;color:#8b735b}.range-panel h3,.application-panel h3{font-size:34px;font-weight:500;margin:18px 0}.range-panel p,.application-panel p{font-size:14px;color:#718073;line-height:2;margin-bottom:27px}.range-models{display:flex;flex-wrap:wrap;gap:20px;margin-top:30px;font-size:12px;color:#6c7f70}.range-all{display:block;width:fit-content;margin:35px auto 0;font-size:13px;padding:10px 20px;border-bottom:1px solid #b5c2b7}.portal-applications{background:#edf1ed}.application-tabs{display:flex;justify-content:center;border-bottom:1px solid #c8d3ca;margin-bottom:35px}.application-tabs button{border:0;background:transparent;padding:18px 40px;font-size:17px;cursor:pointer;color:#718173;border-bottom:3px solid transparent}.application-tabs button[aria-pressed=true]{border-color:#183f30;color:#153b33}.application-panel{display:grid;grid-template-columns:1.2fr 1fr;gap:7%;align-items:center;min-height:380px}.application-visual{position:relative;min-height:380px;background:linear-gradient(135deg,#244b3b,#6e8c76);padding:35px;overflow:hidden;color:#fff;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.application-visual>span:first-child{position:absolute;top:0;right:20px;font-size:120px;color:#ffffff15;letter-spacing:-5px}.application-visual>strong{font-size:29px;font-weight:400;position:relative;z-index:1}.application-visual img{height:250px;width:100%;object-fit:contain;background:#fff;margin-top:15px;position:relative}.application-visual .application-word{font-size:55px;letter-spacing:5px;color:#d7e5d750;line-height:1.3;margin-top:25px}.application-model{display:block;font-size:12px;color:#4f6756;margin-top:25px}.portal-network{text-align:center;background:#fff;padding:95px 8%;background-image:radial-gradient(#dee5dd 1px,transparent 1px);background-size:18px 18px}.portal-network h2{font-size:34px;font-weight:500;margin:20px 0}.portal-network p{font-size:14px;color:#6b7b6e;max-width:690px;margin:0 auto;line-height:2}.portal-network>div{font-size:24px;letter-spacing:2px;margin:30px 0;color:#365641}.portal-network>div>span{color:#a08768;margin:0 22px}.page-banner{padding:65px 8%;min-height:270px;background:linear-gradient(115deg,#173b2e,#637e68);color:#fff}.page-banner>span{font-size:14px;letter-spacing:5px;color:#c4d4c7}.page-banner h1{font-size:44px;font-weight:500;margin:16px 0}.page-banner p{font-size:14px;line-height:1.9;color:#d2dfd5;max-width:780px;margin:0}.section-breadcrumb{display:flex;gap:13px;padding:16px 8%;border-bottom:1px solid #e3e8e3;font-size:12px;color:#7b877e}.catalog{padding:45px 8% 70px;background:#fff}.catalog>.section-heading{display:none}.catalog-layout{grid-template-columns:1fr;gap:25px;margin:0}.catalog-sidebar h3,.sidebar-note{display:none}.catalog .filters{display:flex;flex-direction:row;flex-wrap:wrap;gap:12px;padding:0 0 18px;border-bottom:1px solid #dee4dc}.catalog .filters button{border:1px solid #cbd6ca;padding:11px 20px;gap:18px}.catalog-toolbar{max-width:750px;margin:auto}.catalog-results .grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:35px 25px}.catalog .product-image{aspect-ratio:1.1}.catalog .results-line{margin:25px 0}.contact{padding:55px 8%}.contact h2{font-size:29px}.application-list{padding:65px 8%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}.application-list>a{background:#eef2ed;padding:35px;display:flex;flex-direction:column}.application-list>a>span{font-size:40px;font-weight:300;color:#91a18f}.application-list h2{font-size:26px;margin:20px 0}.application-list p{font-size:14px;line-height:1.9;color:#71806f;flex:1}.application-list strong{font-size:13px;font-weight:500;padding-top:25px}.application-detail{padding:35px 8% 65px}.application-subnav{display:flex;gap:25px;border-bottom:1px solid #dce4da;margin-bottom:35px}.application-subnav a{padding:15px 5px;font-size:14px}.application-subnav [aria-current=page]{border-bottom:3px solid #254a35}.application-detail>p{color:#687b68;font-size:14px;line-height:1.9;max-width:700px}.application-detail>.button{margin-top:30px}.application-detail .grid{margin-top:35px}.portal-service{padding:60px 8%}.service-intro{max-width:800px;margin-bottom:45px}.service-intro p{font-size:14px;line-height:1.9;color:#70816f}.portal-service #documents{margin-top:65px;scroll-margin-top:120px}.portal-service .download{gap:25px}.editorial{max-width:950px;padding:55px 5%}.editorial h2:first-child{margin-top:0}footer{display:block;max-width:none;padding:50px 8% 25px;background:#102d22}.footer-sitemap{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:25px;padding-bottom:35px}.footer-sitemap h2{font-size:15px;font-weight:500;color:#d8e3d9;margin:0 0 22px}.footer-sitemap section>a{display:block;font-size:12px;color:#9eb5a2;margin-top:10px}.footer-bottom{display:flex;justify-content:space-between;gap:25px;padding-top:25px;border-top:1px solid #ffffff18;font-size:11px}.footer-bottom .brand{color:#c6d7c9}.detail{max-width:1440px;margin:auto}.details,.related{max-width:1240px;margin-left:auto;margin-right:auto}html{scroll-padding-top:110px}.portal-ranges,.portal-applications{scroll-margin-top:90px}
@media(max-width:1200px){.portal-header{gap:20px;padding:0 4%}.site-navigation nav{gap:17px;font-size:12px}.header-tools{gap:10px}.portal-header .brand{font-size:19px}.hero-slides>article{padding-left:5%;padding-right:5%}.banner-copy h1{font-size:43px}.banner-copy p{font-size:14px}.portal-ranges,.portal-applications,.portal-overview{padding-left:6%;padding-right:6%}.overview-stats strong{font-size:50px}.catalog-results .grid{grid-template-columns:repeat(3,minmax(0,1fr))}.catalog .filters button{padding:10px 14px;font-size:12px}.application-list{gap:18px}.application-list>a{padding:25px}.details,.related{margin-left:5%;margin-right:5%}}
@media(max-width:900px){.portal-header{height:78px;gap:12px;flex-wrap:nowrap}.site-navigation{order:3;margin-left:0}.site-navigation>summary{display:flex;gap:7px;align-items:center;cursor:pointer;font-size:0;padding:10px}.site-navigation>summary span{font-size:24px}.site-navigation nav{position:absolute;top:77px;left:0;width:100%;background:#fff;display:flex;flex-direction:column;align-items:stretch;gap:0;padding:15px 5%;max-height:calc(100svh - 78px);overflow:auto;box-shadow:0 20px 30px #17352325}.nav-group{flex-wrap:wrap;gap:0;justify-content:space-between;border-bottom:1px solid #e1e8df}.nav-group>a{padding:18px 0;font-size:14px;flex:1}.nav-group>a[aria-current=page]{border:0}.nav-disclosure{position:static}.nav-disclosure summary{padding:18px 10px}.mega-menu{position:static;display:block;padding:15px;width:100%;box-shadow:none;border:0}.nav-disclosure[open]{width:100%;order:2}.nav-disclosure[open]>summary{text-align:right;padding:0 10px 10px}.mega-menu>div:first-child{display:none}.mega-links{grid-template-columns:repeat(2,minmax(0,1fr))}.mega-links a{font-size:12px}.header-tools{margin-left:auto;gap:4px}.header-search form{top:77px}.language-switch select{max-width:110px;font-size:11px;padding:8px}.header-search summary{font-size:12px}.portal-hero{height:auto;min-height:580px;max-height:none}.hero-slides>article{min-height:580px;padding:45px 6% 100px;gap:5%}.banner-copy h1{font-size:35px}.banner-product{padding:14px}.banner-product img{height:300px}.banner-product>span{font-size:10px}.portal-overview{grid-template-columns:1fr;gap:35px;padding-top:55px;padding-bottom:55px}.overview-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.overview-stats>div:last-child{grid-column:auto}.overview-stats strong{font-size:48px}.range-tabs{grid-template-columns:repeat(3,minmax(0,1fr))}.range-tabs button{font-size:14px}.range-panel{gap:6%}.range-panel img{height:300px}.range-panel h3,.application-panel h3{font-size:27px}.application-visual{min-height:330px;padding:22px}.application-visual>strong{font-size:23px}.application-visual .application-word{font-size:42px}.portal-ranges,.portal-applications{padding-top:50px;padding-bottom:50px}.application-tabs button{font-size:15px;padding:15px 25px}.catalog{padding-left:5%;padding-right:5%}.catalog-results .grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:25px 18px}.application-list{grid-template-columns:1fr}.application-list>a{padding:25px 30px}.application-list h2{margin:10px 0}.application-list p{margin:8px 0}.application-list strong{padding-top:12px}.footer-sitemap{gap:15px}.footer-sitemap h2{font-size:13px}.footer-sitemap section>a{font-size:11px}html{scroll-padding-top:92px}}
@media(max-width:600px){.portal-header{height:72px;padding:0 4%}.portal-header .brand{font-size:17px;gap:8px;letter-spacing:0}.portal-header .brand small{font-size:7px;letter-spacing:2px}.portal-header .mark{width:33px;height:36px;font-size:26px}.header-search summary{font-size:0}.header-search summary:after{content:'⌕';font-size:25px}.language-switch select{font-size:10px;max-width:87px;padding:7px 2px}.header-tools{gap:2px}.site-navigation>summary{padding:7px}.site-navigation nav{top:71px}.header-search form{top:71px;padding:15px;gap:8px}.header-search input{font-size:12px;padding:10px}.header-search button{padding:10px;font-size:12px}.portal-hero{min-height:780px}.hero-slides>article{grid-template-columns:minmax(0,1fr);padding:38px 6% 85px;gap:25px;min-height:780px;align-content:start}.banner-copy>span{font-size:10px;letter-spacing:3px}.banner-copy h1{font-size:32px;line-height:1.35;margin:18px 0}.banner-copy p{font-size:12px;line-height:1.85;margin-bottom:20px}.banner-copy .button{font-size:12px;padding:12px 18px;min-width:150px}.banner-product img{height:265px}.banner-product>span{font-size:10px;max-height:60px;overflow:hidden}.slider-controls{bottom:24px;left:6%;right:6%}.slider-controls button{height:38px;width:38px;margin-right:5px}.slider-dots button{width:35px;height:30px}.hero-scroll{display:none}.portal-overview{padding:40px 6%}.portal-overview h2{font-size:25px;line-height:1.6}.portal-overview p{font-size:12px}.overview-stats{gap:13px}.overview-stats strong{font-size:40px}.overview-stats span{font-size:10px}.portal-heading h2{font-size:29px}.portal-heading>span{font-size:12px;letter-spacing:3px}.portal-heading p{font-size:12px}.range-tabs{margin-bottom:25px}.range-tabs button{font-size:12px;padding:10px 4px 15px}.range-tabs button>span{font-size:19px;margin-bottom:6px}.range-panel{grid-template-columns:minmax(0,1fr);gap:22px;padding:20px;min-height:0}.range-panel img{height:260px}.range-panel h3{font-size:26px;margin:12px 0}.range-panel p{font-size:12px}.range-models{gap:18px;margin-top:20px}.portal-applications{padding:40px 6%}.application-tabs button{font-size:13px;padding:13px 17px}.application-panel{grid-template-columns:minmax(0,1fr);gap:25px;min-height:0}.application-visual{min-height:240px}.application-visual .application-word{font-size:38px}.application-visual img{height:200px}.application-panel h3{font-size:27px;margin:12px 0}.application-panel p{font-size:12px;margin-bottom:20px}.portal-network{padding:50px 6%}.portal-network h2{font-size:27px}.portal-network p{font-size:12px}.portal-network>div{font-size:16px;letter-spacing:0}.portal-network>div>span{margin:0 8px}.portal-network>span{font-size:10px}.page-banner{min-height:225px;padding:40px 6%}.page-banner h1{font-size:34px;margin:13px 0}.page-banner>span{font-size:11px;letter-spacing:3px}.page-banner p{font-size:12px}.section-breadcrumb{padding:13px 6%;font-size:10px}.catalog{padding:25px 5% 45px}.catalog .filters{flex-wrap:nowrap;overflow:auto;gap:8px}.catalog .filters button{padding:9px 12px;font-size:11px;flex:none}.catalog-results .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 13px}.catalog .results-line{margin:18px 0}.catalog .product-image{aspect-ratio:1}.catalog .catalog-toolbar{gap:7px}.catalog-toolbar .search{min-width:0}.contact{padding:35px 6%}.contact h2{font-size:25px}.contact p{font-size:12px}.application-list{padding:35px 6%;gap:16px}.application-detail{padding:20px 6% 40px}.application-subnav{gap:18px;margin-bottom:25px}.application-subnav a{font-size:12px}.application-detail h2{font-size:24px}.application-detail>p{font-size:12px}.portal-service{padding:35px 6%}.portal-service #documents{margin-top:40px}.service-intro h2{font-size:27px}.service-intro p{font-size:12px}.portal-service .download{font-size:12px;gap:20px}.download span{flex-shrink:0}footer{padding:35px 6% 20px}.footer-sitemap{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 20px}.footer-sitemap h2{margin-bottom:12px;font-size:14px}.footer-bottom{flex-wrap:wrap;gap:12px;font-size:10px}.footer-bottom .brand{font-size:14px}.details,.related{margin-left:5%;margin-right:5%}.editorial{padding:35px 6%}html{scroll-padding-top:90px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
@media print{.portal-header,.section-breadcrumb,.footer-sitemap,.footer-bottom,.page-banner{display:none!important}}
/* Keep nested navigation links visible; the former mobile header hid link 2. */
.portal-header nav .mega-links a{display:flex}
@media(max-width:360px){.portal-header{gap:5px;padding:0 3%}.portal-header .brand{font-size:15px;gap:6px}.portal-header .brand small{font-size:6px;letter-spacing:1.5px}.portal-header .mark{width:29px;height:33px;font-size:24px}.site-navigation>summary{padding:5px}.site-navigation>summary span{font-size:22px}.language-switch select{max-width:78px}.header-search summary:after{font-size:22px}}
.catalogue-region{display:block;width:100%;height:100%;background:#fff}.main-photo .catalogue-region{height:440px;padding:20px}.thumbs .catalogue-region{height:100%;padding:0}.range-panel .catalogue-region{height:355px}.product-meta strong{overflow-wrap:anywhere}.model-line strong{overflow-wrap:anywhere}.thumbs{flex-wrap:wrap}.range-tabs{grid-template-columns:repeat(auto-fit,minmax(130px,1fr))}@media(max-width:600px){.main-photo .catalogue-region{height:320px;padding:12px}.range-panel .catalogue-region{height:260px}.range-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}.model-line strong{font-size:26px}}