:root{--color-red:#900;--color-red-bright:#bf323c;--color-red-dark:#560f0e;--color-dark:#454d5a;--color-dark-2:#626470;--color-light:#e5e6ea;--color-light-2:#d8dadf;--color-line:#c2c8d0;--color-white:#fff;--color-black:#000;--font-main:"Gill Sans Nova", "Noto Sans SC", Calibri, Arial, sans-serif;--container:1180px;--header-height:76px;--shadow:0 18px 48px #454d5a29}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--color-white)}body{color:var(--color-dark);font-family:var(--font-main);letter-spacing:0;text-rendering:geometricprecision;-webkit-font-smoothing:antialiased;margin:0;font-size:17px;line-height:1.58}body[data-lang=zh]{font-family:Gill Sans Nova,Noto Sans SC,Calibri,Arial,sans-serif}a{color:inherit}img{max-width:100%;display:block}button,input,textarea{font:inherit}.skip-link,.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.skip-link:focus{z-index:1000;clip:auto;background:var(--color-white);width:auto;height:auto;color:var(--color-red);padding:10px 14px;top:16px;left:16px}.container{width:min(calc(100% - 40px), var(--container));margin:0 auto}.site-header{z-index:100;min-height:var(--header-height);backdrop-filter:blur(14px);background:#fffffff2;border-bottom:1px solid #c2c8d0cc;position:sticky;top:0}.header-inner{width:min(100% - 36px,1280px);min-height:var(--header-height);justify-content:space-between;align-items:center;gap:24px;margin:0 auto;display:flex}.brand-link{flex:none;align-items:center;text-decoration:none;display:flex}.brand-link img{width:118px;height:auto}.site-nav{align-items:center;gap:2px;display:flex}.nav-item{display:inline-flex;position:relative}.nav-link-row{align-items:center;display:inline-flex}.site-nav a{min-height:44px;color:var(--color-dark);white-space:nowrap;align-items:center;padding:0 12px;font-size:14px;text-decoration:none;display:inline-flex}.site-nav a:hover,.site-nav a.active,.nav-item.active>.nav-link-row>.nav-link{color:var(--color-red)}.nav-item--has-children>.nav-link-row>.nav-link:after{content:"";border-bottom:1px solid;border-right:1px solid;width:6px;height:6px;margin-left:7px;transform:rotate(45deg)translateY(-2px)}.nav-submenu-toggle{width:44px;height:44px;color:var(--color-dark);cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;display:none}.nav-submenu-toggle:after{content:"";border-bottom:1px solid;border-right:1px solid;width:8px;height:8px;transition:transform .16s;transform:rotate(45deg)translateY(-2px)}.nav-submenu-toggle:hover{color:var(--color-red)}.nav-submenu{z-index:130;background:var(--color-white);border:1px solid var(--color-line);min-width:268px;box-shadow:var(--shadow);opacity:0;pointer-events:none;padding:10px;transition:opacity .16s,transform .16s;display:grid;position:absolute;top:calc(100% + 8px);left:0;transform:translateY(8px)}.nav-submenu:before{content:"";height:10px;position:absolute;bottom:100%;left:0;right:0}.nav-item:hover .nav-submenu,.nav-item:focus-within .nav-submenu{opacity:1;pointer-events:auto;transform:translateY(0)}.nav-submenu a{white-space:normal;justify-content:space-between;min-height:38px;padding:8px 12px;font-size:13px;line-height:1.25}.language-link{border-left:1px solid var(--color-line);margin-left:10px}.nav-toggle{background:var(--color-white);cursor:pointer;border:1px solid #99000038;flex-direction:column;flex:0 0 44px;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;display:none}.nav-toggle:hover{border-color:var(--color-red)}.nav-toggle span:not(.sr-only){background:var(--color-dark);width:18px;height:2px;display:block}.hero{min-height:calc(100svh - var(--header-height));color:var(--color-white);background:var(--color-dark);align-items:end;display:grid;position:relative;overflow:hidden}.hero--compact{min-height:520px}.hero:before{content:"";background-image:var(--hero-image);background-position:50%;background-size:cover;animation:18s ease-in-out infinite alternate hero-drift;position:absolute;inset:0;transform:scale(1.03)}.hero-scrim{background:#0000007a;position:absolute;inset:0}.hero-content{z-index:1;padding:92px 0 112px;position:relative}.hero h1{max-width:820px;color:var(--color-white);overflow-wrap:anywhere;margin:0;font-size:clamp(44px,7.2vw,92px);font-weight:600;line-height:.98}body[data-lang=zh] .hero h1{word-break:normal;overflow-wrap:anywhere;line-break:loose}.hero-subtitle{color:#ffffffe6;max-width:720px;margin:24px 0 0;font-size:clamp(18px,2vw,26px);line-height:1.45}.eyebrow{color:var(--color-red);letter-spacing:.08em;text-transform:uppercase;margin:0 0 12px;font-size:13px;font-weight:600}.eyebrow--light{color:var(--color-light)}h2,h3,p{overflow-wrap:anywhere}h2{color:var(--color-dark);margin:0;font-size:clamp(34px,4vw,58px);font-weight:600;line-height:1.05}h3{color:var(--color-dark);margin:0;font-size:clamp(23px,2.1vw,32px);font-weight:600;line-height:1.15}.button-row{flex-wrap:wrap;gap:12px;margin-top:34px;display:flex}.button{background:var(--color-dark);min-height:48px;color:var(--color-white);border:1px solid #0000;justify-content:center;align-items:center;padding:0 24px;font-size:15px;font-weight:600;text-decoration:none;transition:background .18s,color .18s,border-color .18s,transform .18s;display:inline-flex}.button:hover{transform:translateY(-2px)}.button--primary{background:var(--color-red)}.button--primary:hover{background:var(--color-red-dark)}.button--ghost-light{color:var(--color-white);background:#ffffff0f;border-color:#ffffffb8}.button--ghost-light:hover{background:var(--color-white);color:var(--color-red)}.section-band{background:var(--color-white);padding:clamp(72px,9vw,126px) 0}.section-band--compact{padding:60px 0}.section-band--light{background:var(--color-light)}.section-band--dark{background:var(--color-dark);color:var(--color-light)}.section-band--red{background:var(--color-red-dark);color:var(--color-light)}.section-band--dark h2,.section-band--dark h3,.section-band--red h2,.section-band--red h3{color:var(--color-white)}.section-heading{max-width:820px;margin-bottom:42px}.section-heading p:last-child{max-width:760px;margin:18px 0 0;font-size:clamp(18px,1.6vw,22px)}.product-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;display:grid}.product-grid--wide{grid-template-columns:repeat(2,minmax(0,1fr))}.product-card{background:var(--color-white);border:1px solid #c2c8d0b8;min-width:0;transition:transform .22s,box-shadow .22s,border-color .22s;box-shadow:0 1px #454d5a0a}.product-card:hover{box-shadow:var(--shadow);border-color:#9900006b;transform:translateY(-5px)}.product-card a{min-height:100%;color:inherit;text-decoration:none;display:grid}.product-card__media{aspect-ratio:16/9;background:var(--color-light);overflow:hidden}.product-card__media img{object-fit:cover;width:100%;height:100%;transition:transform .26s}.product-card:hover img{transform:scale(1.04)}.product-card__body{padding:26px}.product-card__body p:not(.eyebrow){margin:12px 0 0}.text-link{color:var(--color-red);align-items:center;margin-top:20px;font-weight:600;text-decoration:none;display:inline-flex}.text-link:after{content:"";background:currentColor;width:22px;height:1px;margin-left:10px;transition:width .18s}.text-link:hover:after{width:34px}.feature-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.feature-item{background:var(--color-white);border:1px solid #c2c8d0b8;min-height:220px;padding:28px}.section-band--dark .feature-item,.section-band--red .feature-item{background:#ffffff14;border-color:#ffffff2e}.feature-item__index{color:var(--color-red);margin-bottom:40px;font-size:15px;font-weight:600;display:block}.feature-item p{margin:14px 0 0}.stats-band{background:#ffffff2e;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;display:grid}.stat-item{background:#ffffff14;min-height:190px;padding:clamp(26px,4vw,46px)}.section-band:not(.section-band--dark):not(.section-band--red) .stats-band{background:var(--color-line)}.section-band:not(.section-band--dark):not(.section-band--red) .stat-item{background:var(--color-white)}.stat-item strong{color:var(--color-red);font-size:clamp(34px,5vw,62px);font-weight:600;line-height:1;display:block}.section-band--dark .stat-item strong,.section-band--red .stat-item strong{color:var(--color-white)}.stat-item span{margin-top:14px;font-size:17px;display:block}.application-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;display:grid}.application-card{background:var(--color-white);border:1px solid #c2c8d0b8}.application-card img{aspect-ratio:4/3;object-fit:cover;width:100%}.application-card div{padding:24px}.application-card p{margin:12px 0 0}.contact-cta{color:var(--color-white);background:url(/assets/canva/systemsolutions/images/0b65a567c94fb171b8024be672e18add.png) 50%/cover;padding:clamp(72px,8vw,112px) 0;position:relative;overflow:hidden}.contact-cta:before{content:"";background:#454d5ae6;position:absolute;inset:0}.contact-cta--solid{background:var(--color-dark)}.contact-cta--solid:before{display:none}.contact-cta__inner{z-index:1;justify-content:space-between;align-items:center;gap:34px;display:flex;position:relative}.contact-cta h2,.contact-cta p{color:var(--color-white)}.contact-cta p{max-width:660px;margin:16px 0 0}.split-layout{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;display:grid}.split-layout>div,.contact-panel{background:var(--color-white);border:1px solid #c2c8d0b8;padding:30px}.section-band--light .split-layout>div,.section-band--light .contact-panel{background:#ffffffb8}.link-list{gap:14px;max-width:720px;display:grid}.resource-list{gap:14px;display:grid}.resource-list--spaced{margin-top:28px}.resource-item{min-height:76px;color:var(--color-dark);background:var(--color-white);border:1px solid var(--color-line);justify-content:space-between;align-items:center;gap:20px;padding:22px 26px;text-decoration:none;display:flex}.resource-item strong{color:var(--color-red)}.download-center__featured{margin:30px 0 42px}.download-center{padding-top:30px;padding-bottom:48px}.download-feature{background:var(--color-dark);min-height:520px;box-shadow:var(--shadow);grid-template-columns:minmax(240px,.7fr) minmax(0,1.3fr);display:grid;overflow:hidden}.download-feature__media{background:var(--color-white);min-height:100%;overflow:hidden}.download-feature__media img{object-fit:cover;object-position:center top;width:100%;height:100%}.download-feature__body{color:#ffffffd6;align-content:center;padding:clamp(36px,6vw,76px);display:grid}.download-feature__body h2{max-width:720px;color:var(--color-white);margin:0}.download-feature__body>p:not(.eyebrow){max-width:680px;margin:22px 0 0;font-size:clamp(18px,1.8vw,23px);line-height:1.55}.download-feature__actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:38px;display:grid}.download-feature__action{min-height:132px;color:var(--color-white);background:#ffffff0f;border:1px solid #ffffff4d;gap:7px;padding:20px;text-decoration:none;transition:background .18s,border-color .18s,transform .18s;display:grid}.download-feature__action:hover,.download-feature__action:focus-visible{background:#ffffff1f;border-color:#ffffffb8;transform:translateY(-3px)}.download-feature__action span{color:#ffffffb3;text-transform:uppercase;letter-spacing:.06em;font-size:14px}.download-feature__action strong{font-size:19px}.download-feature__action small{color:#ffffffb3;align-self:end;font-size:14px}.download-toolbar{z-index:90;grid-template-columns:minmax(360px,1fr) 160px 128px 128px;gap:12px;margin:0 0 18px;display:grid;position:relative}.download-search,.download-filter{background:var(--color-white);border:1px solid var(--color-line);min-width:0;min-height:58px;display:flex;position:relative}.download-search:focus-within,.download-filter:focus-within{border-color:var(--color-red);box-shadow:0 0 0 3px #99000014}.download-search>img{width:23px;height:23px;position:absolute;top:50%;left:18px;transform:translateY(-50%)}.download-search input,.download-filter__button{width:100%;min-width:0;color:var(--color-dark);background:0 0;border:0;outline:0}.download-search input{padding:14px 18px 14px 54px}.download-search input::placeholder{color:#777b83}.download-search__suggestions{z-index:130;background:var(--color-white);border:1px solid var(--color-line);max-height:min(420px,60vh);box-shadow:var(--shadow);padding:10px;display:grid;position:absolute;top:calc(100% + 8px);left:0;right:0;overflow-y:auto}.download-search__suggestions[hidden]{display:none}.download-search__suggestions button{width:100%;color:var(--color-dark);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;gap:4px;padding:10px 12px;display:grid}.download-search__suggestions button:hover,.download-search__suggestions button:focus-visible{color:var(--color-red);background:var(--color-light);outline:0}.download-search__suggestions strong,.download-search__suggestions span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.download-search__suggestions span{color:var(--color-muted);font-size:13px}.download-filter__button{text-align:left;cursor:pointer;align-items:center;padding:12px 30px 12px 14px;display:flex;position:relative}.download-filter__button>span{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.download-filter__button:after{content:"";border-bottom:1px solid;border-right:1px solid;width:8px;height:8px;transition:transform .16s;position:absolute;top:50%;right:12px;transform:translateY(-65%)rotate(45deg)}.download-filter__button[aria-expanded=true]{color:var(--color-red)}.download-filter__button[aria-expanded=true]:after{transform:translateY(-20%)rotate(225deg)}.download-filter__menu{z-index:120;background:var(--color-white);border:1px solid var(--color-line);width:max-content;min-width:max(100%,220px);max-width:calc(100vw - 28px);box-shadow:var(--shadow);padding:10px;display:grid;position:absolute;top:calc(100% + 8px);left:0;right:auto}.download-filter__menu[hidden]{display:none}.download-filter__menu button{width:100%;min-height:40px;color:var(--color-dark);font:inherit;text-align:left;white-space:nowrap;cursor:pointer;background:0 0;border:0;padding:8px 12px;font-size:13px;line-height:1.25}.download-filter__menu button:hover,.download-filter__menu button:focus-visible,.download-filter__menu button[aria-selected=true]{color:var(--color-red);background:var(--color-light);outline:0}@media (width>=721px){.download-filter--category .download-filter__menu{min-width:280px}}.download-category-tabs{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-bottom:42px;display:grid}.download-category-tab{min-width:0;color:var(--color-dark);text-align:left;background:var(--color-white);border:1px solid var(--color-line);cursor:pointer;padding:0;transition:transform .18s,border-color .18s,box-shadow .18s;display:grid;overflow:hidden}.download-category-tab:hover,.download-category-tab:focus-visible{border-color:#9900007a;transform:translateY(-3px);box-shadow:0 12px 30px #14192014}.download-category-tab.is-active{border-color:var(--color-red);box-shadow:inset 0 -4px 0 var(--color-red)}.download-category-tab__media{aspect-ratio:16/9;background:var(--color-light);overflow:hidden}.download-category-tab__media img{object-fit:cover;width:100%;height:100%}.download-category-tab__body{gap:7px;padding:18px;display:grid}.download-category-tab__body strong{font-size:17px;line-height:1.28}.download-category-tab__body small{color:var(--color-dark-2);font-size:14px}.download-panel{scroll-margin-top:calc(var(--header-height) + 24px)}.download-panel+.download-panel{margin-top:72px}.download-center[data-downloads-enhanced=true] .download-panel+.download-panel{margin-top:0}.download-panel__heading{border-bottom:1px solid var(--color-line);justify-content:space-between;align-items:end;gap:24px;margin-bottom:24px;padding-bottom:20px;display:flex}.download-panel__heading .eyebrow{margin-bottom:6px}.download-panel__heading h3{margin:0;font-size:clamp(28px,3.4vw,44px)}.download-panel__heading>span{color:var(--color-dark-2);white-space:nowrap}.download-document-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.download-document{background:var(--color-white);border:1px solid var(--color-line);cursor:pointer;min-height:330px;padding:28px;display:grid;position:relative}.download-document__meta{flex-wrap:wrap;gap:8px;display:flex}.download-document__meta span{color:var(--color-red);text-transform:uppercase;letter-spacing:.04em;background:#99000012;padding:5px 9px;font-size:12px;font-weight:600}.download-document h4{color:var(--color-dark);margin:20px 0 0;font-size:clamp(22px,2vw,28px);font-weight:600;line-height:1.2}.download-document>p{margin:14px 0 0}.download-document dl{flex-wrap:wrap;align-self:end;gap:16px 30px;margin:26px 0 0;display:flex}.download-document dl div{gap:4px;display:grid}.download-document dt{color:var(--color-dark-2);text-transform:uppercase;letter-spacing:.04em;font-size:12px}.download-document dd{color:var(--color-dark);margin:0;font-size:14px;font-weight:600}.download-document__actions{z-index:2;justify-content:flex-end;margin-top:24px;display:flex;position:relative}.download-card-preview{z-index:1;text-decoration:none;position:absolute;inset:0}.download-card-preview:focus-visible{outline:2px solid var(--color-red);outline-offset:-3px}.download-icon-button{width:46px;height:46px;box-shadow:none;cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;padding:9px;transition:background-color .16s;display:inline-flex}.download-icon-button:focus-visible{outline-offset:2px;background:0 0;outline:2px solid #9900004d}.download-icon-button img{width:28px;height:28px;transition:filter .16s,transform .16s;display:block}.download-icon-button:hover img,.download-icon-button:focus-visible img{filter:drop-shadow(0 5px 4px #191f2833);transform:translateY(-3px)}.download-icon-button:active img{filter:drop-shadow(0 2px 2px #191f2824);transform:translateY(-1px)}.download-list-view{overflow:hidden}.download-list-row{grid-template-columns:minmax(260px,2.1fr) minmax(145px,1fr) minmax(145px,.95fr) minmax(135px,.85fr) 56px;align-items:center;gap:clamp(18px,2.4vw,38px);display:grid}.download-list{gap:10px;display:grid}.download-list-row{cursor:pointer;background:#f8f8f7;border:1px solid #454d5a1c;min-height:124px;padding:24px;transition:background-color .18s,border-color .18s,box-shadow .18s,transform .18s;position:relative;box-shadow:0 2px 8px #191f2806}.download-document[hidden],.download-list-row[hidden]{display:none}.download-list-row:hover{background:var(--color-white);border-color:#9900003d;transform:translateY(-2px);box-shadow:0 12px 30px #191f2813}.download-list-row h3{color:var(--color-red);margin:0;font-size:clamp(19px,1.6vw,24px);line-height:1.25}.download-list-row__category,.download-list-row__details,.download-list-row__file{align-content:center;gap:5px;display:grid}.download-list-row__meta{display:contents}.download-list-row__category strong,.download-list-row__details strong,.download-list-row__file strong{color:var(--color-dark);font-size:15px;line-height:1.35}.download-list-row__details>span,.download-list-row__file>span{color:var(--color-dark-2);font-size:13px}.download-list-row__actions{z-index:2;justify-content:flex-end;display:flex;position:relative}.download-empty-state{color:var(--color-dark-2);text-align:center;border:1px dashed var(--color-line);background:#ffffffb8;margin:0;padding:44px 24px}.contact-actions{grid-template-columns:minmax(0,1fr);gap:22px;max-width:760px;display:grid}.contact-action{min-height:270px;color:var(--color-dark);background:var(--color-light);border:1px solid var(--color-line);align-content:end;padding:30px;text-decoration:none;transition:transform .18s,box-shadow .18s;display:grid}.contact-action:hover{box-shadow:var(--shadow);transform:translateY(-4px)}.contact-action span{color:var(--color-red);margin-bottom:auto;font-weight:600}.wechat-card{background:var(--color-white);border:1px solid var(--color-line);width:min(100%,380px);margin-top:30px;box-shadow:0 1px #454d5a0a}.contact-card-lead{margin-bottom:46px}.contact-card-lead .wechat-card{margin-top:0}.wechat-card__link{min-height:216px;color:inherit;grid-template-columns:minmax(0,1fr) 132px;gap:22px;padding:28px 26px;text-decoration:none;display:grid;position:relative}.wechat-card__link:before{background:var(--color-red);content:"";width:6px;position:absolute;top:0;bottom:0;left:0}.wechat-card__brand{align-content:space-between;min-width:0;display:grid}.wechat-card__brand img{width:128px;height:auto}.wechat-card__brand p{color:var(--color-dark);letter-spacing:0;white-space:nowrap;margin:0;font-size:17px;font-weight:600;line-height:1.1}.wechat-card__qr{background:var(--color-white);place-self:center end;width:132px;padding:8px}.wechat-card__qr img{width:100%;height:auto}.site-footer{background:var(--color-white);border-top:1px solid var(--color-line);padding:64px 0 24px}.footer-inner{width:min(calc(100% - 40px), var(--container));grid-template-columns:minmax(0,1.5fr) minmax(180px,.7fr) minmax(0,1fr);gap:36px;margin:0 auto;display:grid}.footer-brand img{width:120px;height:auto}.footer-brand p{max-width:460px}.footer-nav,.footer-contact{align-content:start;gap:10px;display:grid}.footer-nav a,.footer-contact a{color:var(--color-dark);text-decoration:none}.footer-nav a:hover,.footer-contact a:hover{color:var(--color-red)}.footer-contact p{margin:0}.footer-company{font-weight:600}.footer-bottom{width:min(calc(100% - 40px), var(--container));border-top:1px solid var(--color-line);color:var(--color-dark-2);justify-content:space-between;gap:20px;margin:44px auto 0;padding-top:18px;font-size:14px;display:flex}.floating-contact{z-index:110;width:60px;height:60px;position:fixed;bottom:22px;right:22px}.floating-contact__button{width:100%;height:100%;color:var(--color-white);background:var(--color-red);cursor:grab;opacity:1;touch-action:none;user-select:none;-webkit-tap-highlight-color:transparent;border:1px solid #ffffff57;border-radius:50%;justify-content:center;align-items:center;padding:0;text-decoration:none;transition:opacity .22s,transform .18s,box-shadow .18s;display:flex;position:relative;overflow:visible;box-shadow:0 12px 30px #454d5a47}.floating-contact__button img{pointer-events:none;object-fit:contain;width:74%;height:74%;display:block;transform:translateY(-2%)}.floating-contact__tooltip{color:var(--color-white);white-space:nowrap;background:var(--color-dark);opacity:0;pointer-events:none;border-radius:3px;padding:7px 10px;font-size:13px;font-weight:600;line-height:1;transition:opacity .16s,transform .16s;display:block;position:absolute;top:50%;right:calc(100% + 10px);transform:translate(5px,-50%);box-shadow:0 8px 22px #454d5a33}.floating-contact.is-idle .floating-contact__button{opacity:.5}.floating-contact__button:hover,.floating-contact__button:focus-visible,.floating-contact.is-dragging .floating-contact__button{opacity:1;transform:scale(1.04)}.floating-contact__button:hover .floating-contact__tooltip,.floating-contact__button:focus-visible .floating-contact__tooltip{opacity:1;transform:translateY(-50%)}.floating-contact.is-left-side .floating-contact__tooltip{left:calc(100% + 10px);right:auto;transform:translate(-5px,-50%)}.floating-contact.is-left-side .floating-contact__button:hover .floating-contact__tooltip,.floating-contact.is-left-side .floating-contact__button:focus-visible .floating-contact__tooltip{transform:translateY(-50%)}.floating-contact__button:focus-visible{outline:3px solid var(--color-white);outline-offset:3px;box-shadow:0 0 0 5px var(--color-red-dark), 0 12px 30px #454d5a47}.floating-contact.is-dragging .floating-contact__button{cursor:grabbing;box-shadow:0 16px 36px #454d5a57}.floating-contact.is-dragging .floating-contact__tooltip{opacity:0}.reveal{opacity:1;transform:none}@supports (animation-timeline:auto){.reveal{opacity:0;transition:opacity .52s ease var(--reveal-delay,0s), transform .52s ease var(--reveal-delay,0s);transform:translateY(22px)}.reveal.is-visible{opacity:1;transform:translateY(0)}}@keyframes hero-drift{0%{transform:scale(1.03)translate(-.5%)}to{transform:scale(1.08)translate(.7%,-.7%)}}@media (width<=1020px){.nav-toggle{border-color:var(--color-red);background:var(--color-red);margin-left:auto;display:flex}.nav-toggle span:not(.sr-only){background:var(--color-white)}.site-nav{z-index:120;top:var(--header-height);max-height:calc(100svh - var(--header-height) - 24px);overscroll-behavior:contain;background:var(--color-white);border:1px solid var(--color-line);box-shadow:var(--shadow);-webkit-overflow-scrolling:touch;padding:12px;display:none;position:absolute;left:18px;right:18px;overflow-y:auto}.site-nav.is-open{gap:2px;display:grid}.nav-item{display:grid}.nav-link-row{grid-template-columns:minmax(0,1fr) 48px;align-items:center;display:grid}.site-nav a{min-height:48px;padding:0 14px}.nav-item--has-children>.nav-link-row>.nav-link:after{display:none}.nav-submenu-toggle{width:48px;height:48px;display:inline-flex}.nav-item.active .nav-submenu-toggle{color:var(--color-red)}.nav-item.is-submenu-open .nav-submenu-toggle:after{transform:rotate(225deg)translate(-2px,-1px)}.nav-submenu{min-width:0;box-shadow:none;opacity:1;pointer-events:auto;background:0 0;border:0;padding:0 0 8px 16px;transition:none;display:none;position:static;transform:none}.nav-item.is-submenu-open>.nav-submenu{display:grid}.nav-submenu:before{display:none}.nav-submenu a{min-height:38px;color:var(--color-dark-2);padding:6px 14px}.language-link{border-left:0;border-top:1px solid var(--color-line);margin-left:0}.product-grid,.product-grid--wide,.feature-grid,.application-grid,.stats-band{grid-template-columns:repeat(2,minmax(0,1fr))}.download-feature{grid-template-columns:minmax(220px,.8fr) minmax(0,1.2fr)}.download-feature__actions,.download-category-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}.download-toolbar{grid-template-columns:repeat(3,minmax(0,1fr))}.download-search{grid-column:1/-1}.download-list-row{grid-template-columns:minmax(0,1fr) 52px;gap:16px 18px}.download-list-row__title{grid-column:1}.download-list-row__meta{grid-column:1;grid-template-columns:minmax(0,1fr) minmax(0,.8fr) minmax(0,1.3fr);gap:12px;min-width:0;display:grid}.download-list-row__category,.download-list-row__details,.download-list-row__file{align-content:center;gap:4px;display:grid}.download-list-row__file>span{white-space:nowrap}.download-list-row__actions{grid-area:1/2/span 2;align-self:center}}@media (width<=720px){:root{--header-height:68px}body{font-size:16px}body.has-fixed-mobile-actions{padding-bottom:calc(var(--fixed-mobile-actions-height,58px) + 16px)}.container{width:min(calc(100% - 28px), var(--container))}.download-toolbar{gap:8px 6px}.download-filter{min-height:48px}.download-filter__button{padding:9px 19px 9px 7px;font-size:12px}.download-filter__button>span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.download-filter__button:after{width:7px;height:7px;right:8px}.download-filter--type .download-filter__menu{left:auto;right:0}.header-inner{width:min(100% - 28px,1280px)}.brand-link img{width:106px}.site-nav{max-height:calc(100svh - var(--header-height) - 78px);left:14px;right:14px}.hero{min-height:calc(100svh - var(--header-height))}.hero--compact{min-height:440px}.hero-content{padding:74px 0 86px}.hero h1{max-width:100%;font-size:clamp(32px,9.8vw,42px);line-height:1.08}.hero-subtitle{max-width:100%;font-size:clamp(17px,5.2vw,21px);line-height:1.56}h2{font-size:clamp(31px,8.6vw,39px);line-height:1.12}.section-heading p:last-child{font-size:17px;line-height:1.68}.button-row,.button{width:100%}.section-band{padding:64px 0}.download-center{padding-top:20px;padding-bottom:32px}.product-grid,.product-grid--wide,.feature-grid,.application-grid,.stats-band,.split-layout,.contact-actions,.footer-inner,.download-feature{grid-template-columns:1fr}.download-feature__media{max-height:370px}.download-feature__body{padding:34px 24px}.download-feature__actions,.download-document-grid{grid-template-columns:1fr}.download-category-tabs{margin-right:calc(var(--container-padding) * -1);margin-left:calc(var(--container-padding) * -1);padding:4px var(--container-padding) 18px;scroll-snap-type:x proximity;display:flex;overflow-x:auto}.download-category-tab{scroll-snap-align:start;flex:0 0 min(78vw,290px)}.download-panel__heading{align-items:start}.download-document{min-height:auto;padding:24px}.download-list-row{grid-template-columns:minmax(0,1fr) 46px;gap:14px 12px;min-height:0;padding:18px}.download-list-row__title{grid-column:1}.download-list-row__meta{grid-column:1;gap:8px}.download-list-row__category,.download-list-row__details{gap:3px}.download-list-row__meta strong,.download-list-row__meta span{font-size:12px}.download-list-row__actions{grid-area:1/2/span 2}.download-list-row__actions .download-icon-button{width:44px;height:44px;padding:8px}.feature-item,.stat-item,.contact-action{min-height:auto}.contact-cta__inner{display:grid}.wechat-card{width:100%;max-width:360px}.wechat-card__link{grid-template-columns:minmax(0,1fr) 108px;gap:14px;min-height:180px;padding:22px 20px}.wechat-card__brand img{width:112px}.wechat-card__brand p{font-size:14px}.wechat-card__qr{width:108px;padding:7px}.footer-bottom{display:grid}.floating-contact{right:16px;bottom:calc(16px + env(safe-area-inset-bottom) + var(--floating-contact-mobile-inset,0px));width:56px;height:56px;left:auto}.floating-contact__button{min-width:56px;min-height:56px}.floating-contact__tooltip{display:none}}@media (width<=1020px) and (orientation:portrait){.download-list-row__meta{grid-column:1/-1}.download-list-row__actions{grid-row:1;align-self:start}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.hero:before,.product-card__media img{transform:none!important}}