/* Shared, self-contained styling for the English and Chinese static pages. */
*{margin:0;padding:0}figure{margin:0}a{color:inherit;text-decoration:none}ul{list-style:none}button{font:inherit}h1,h2,h3,h4,h5,h6{font-weight:400}em{font-style:normal}
.bt{text-align:center;margin:0 0 26px}.bt::after,.company-profile h2::after,.advertising h2::after{content:"";display:block;width:50px;height:2px;background:#ff5500;margin:12px auto 0}.advertising h2{text-align:center;color:#fff}.flex_row{display:flex;flex-wrap:wrap}.copyright{text-align:center}.home_qi{background:#f9f9f9}
.footer-fix{position:fixed;bottom:0;left:0;width:100%;background:#fff;box-shadow:0 0 10px #0002;z-index:30}.footer-fix li a{display:block;text-align:center;color:#333;line-height:1}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{font-family:Arial,"Microsoft YaHei",sans-serif;color:#333;line-height:1.65;margin:0}
*,*::before,*::after{box-sizing:border-box}
h1,h2,h3,h4,h5,h6,em,.bt em,.home_about h2 em,.advertising h2 em{font-family:Arial,"Microsoft YaHei",sans-serif;font-style:normal}
img,video{max-width:100%;height:auto}
a:focus-visible,button:focus-visible{outline:3px solid #ff5500;outline-offset:4px}
.mauto,.home_about .mauto{width:92%;max-width:1440px;margin:0 auto;padding:0;border-radius:0}
.nav_head{position:static;background:#fff;padding:0;height:auto}
.head_layer .nav_main{width:92%;max-width:1440px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}
.head_layer .logo{margin:0;padding:12px 0;height:auto;flex:0 1 380px}
.head_layer .logo img{display:block;width:100%;height:auto;max-height:70px;object-fit:contain}
.nav_head .nav_w{display:block}.nav_head .nav_w .head_nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:0;float:none;padding:0;margin:0;width:auto}
.nav_w .head_nav>li{width:auto;display:block;border:0;line-height:1.5;font-size:14px}.nav_head .nav_w .head_nav>li::after{display:none;content:none;font-family:inherit}
.nav_w .head_nav>li>a{padding:14px 12px;color:#333;font-weight:600}.nav_w .head_nav>li>a:hover{color:#ff5500}.language-switch a{white-space:nowrap}
.main-banner{display:block;width:100%;height:auto}.banner{margin:0}
.home_about,.home_video,.case_box,.quality-section{background-image:none;height:auto}
.home_about{padding:55px 0}.home_about .con-r{background:#fff;margin-top:0;box-shadow:0 3px 20px #00000012;border-radius:6px;padding:28px}
.company-profile .mauto{display:flex;gap:32px;align-items:flex-start}.company-profile .con-l,.company-profile .con-r{width:calc(50% - 16px);float:none}
.company-profile .con-r h2{display:block;font-size:28px;text-align:left;margin:0 0 16px}.company-profile .con-r h2 em{font-size:28px}.home_about h2 em{line-height:1.3}
.company-name{font-size:19px;font-weight:700;margin:0 0 4px}.company-alias{font-size:15px;color:#666;margin:0 0 18px}
.home_about .con-r .txt p{display:block;overflow:visible;-webkit-line-clamp:unset;height:auto;line-height:1.75;font-size:16px;margin:0 0 14px;color:#333}
.home_about .con-r .txt .quality-tagline{font-weight:700;color:#d84900;margin:22px 0 0}
.media-photo{display:block}.media-photo:hover img{opacity:.94}.profile-photos img{display:block;width:100%;margin:0 0 18px;border-radius:4px}.home_video{padding:45px 0;background:#f8f8f8}
.bt em,.advertising h2 em{font-size:30px;line-height:1.35}.process-photos,.quality-photos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin:30px 0}
.process-photos img{width:100%;height:auto;max-height:600px;object-fit:contain;background:#fff}.process-videos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.move{float:none;margin:0;width:100%;padding:10px;border:1px solid #ddd;background:#fff;border-radius:4px}.move video{display:block;float:none;width:100%;max-height:500px;aspect-ratio:16/9;background:#111}.move figcaption{text-align:center;color:#666;font-size:14px;padding:7px 0 0}
.factory-tour{max-width:900px;margin:24px auto}.subsection-title{text-align:center;font-size:24px;font-weight:600;margin:40px 0 22px}.technology-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.technology-grid article{background:#fff;padding:18px;border-radius:4px}.technology-grid img{width:100%;height:200px;object-fit:cover}.technology-grid h3{font-size:18px;font-weight:600;margin:14px 0 10px}.technology-grid p{font-size:15px;line-height:1.7}.quality-history{max-width:900px;margin:24px auto;line-height:1.7}.quality-history summary{cursor:pointer;font-weight:600}.quality-history p{margin-top:14px}.product-applications,.catalogue-note{text-align:center;line-height:1.8;font-size:16px}.catalogue-note{font-size:14px;color:#666;margin-top:8px}
.quality-section{display:block;padding:45px 0}.quality-section>.mauto>.move{max-width:900px;margin:28px auto}.quality-photos img{width:100%;object-fit:contain}.quality-photos>.media-photo:last-child{grid-column:1/-1;max-width:900px;margin:0 auto}
.move figcaption strong,.move figcaption span{display:block}.video-link{display:inline-block;color:#ba4000;text-decoration:underline;margin-top:5px}.move video{object-fit:contain}.technology-grid img.technology-logo{height:65px;object-fit:contain;margin:16px 0 0}.history-photos{display:grid;grid-template-columns:3fr 1fr;gap:20px;align-items:center;margin:20px 0}.history-photos img{width:100%;object-fit:contain}.product-gallery{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px;margin:30px 0}.product-gallery figure{padding:15px;background:#fff;border:1px solid #e5e5e5;text-align:center}.product-gallery img{width:100%;height:140px;object-fit:contain}.product-gallery figcaption{font-size:14px;font-weight:600;margin-top:10px}
.home_qi{padding:45px 0}.catalogue-link{display:block;width:min(600px,100%);margin:30px auto;text-align:center}.catalogue-link img{display:block;width:100%}.catalogue-link span{display:inline-block;margin-top:16px;color:#c74300;font-size:17px;font-weight:600}
.advertising{background:#171c22;padding:45px 0 50px}.advertising::after,footer::after{display:none}.advertising .ad_items{margin:20px 0 0}.advertising .ad_item{width:25%;max-width:25%;flex:0 0 25%;padding:18px 14px;text-align:center}.advertising .ad_item .item_img{display:inline-block;box-sizing:content-box;width:60px;height:60px;padding:8px;margin-bottom:12px}.advertising .ad_item .item_img img{height:60px;max-width:60px}.advertising .ad_item .item_title{font-size:16px;font-weight:600;color:#fff;margin-bottom:12px}.advertising .ad_item .item_desc,.advertising a{color:#e0e3e7;overflow-wrap:anywhere}
footer{background:#f5f5f5;padding:32px 0 24px;color:#555}.footer-main{display:block;text-align:center;font-size:14px}.footer-main p{margin:7px 0}.footer-main a{color:#555}footer .copyright{padding:18px 0 0;font-size:13px}.copyright p{margin:4px 0}.copyright a{color:#666}
.back-top{position:fixed;right:20px;bottom:24px;width:42px;height:42px;border:0;border-radius:4px;background:#ff5500;color:#fff;font-size:24px;cursor:pointer;z-index:20}.back-top[hidden]{display:none}
.skip-link{position:absolute;top:-100px;left:16px;z-index:100;padding:8px 16px;background:#fff;color:#222}.skip-link:focus{top:8px}.footer-fix{display:none}
@media(max-width:1000px){.head_layer .nav_main{flex-direction:column;gap:0;padding:12px 0}.head_layer .logo{flex:none;width:min(380px,90%);padding:0}.nav_head .nav_w .head_nav{justify-content:center}.nav_w .head_nav>li>a{padding:10px 9px;font-size:12px}}
@media(max-width:768px){body{padding-bottom:48px}.mauto,.home_about .mauto{width:92%;max-width:92%;margin:0 auto}.home_about{padding:30px 0;margin-bottom:0}.company-profile .mauto{display:block}.company-profile .con-l,.company-profile .con-r{width:100%}.home_about .con-r{padding:20px}.profile-photos{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}.profile-photos img{width:100%;margin:0;align-self:center}.company-profile .con-r h2{font-size:24px}.home_about .con-r .txt p{font-size:16px;line-height:1.75}.bt em,.advertising h2 em{font-size:25px}.home_video,.quality-section,.home_qi{padding:30px 0}.process-photos,.quality-photos{gap:12px;margin:22px 0}.process-videos{grid-template-columns:1fr;gap:18px}.quality-photos img:last-child{width:100%}.advertising .ad_item{width:50%;max-width:50%;flex-basis:50%;padding:18px 8px}.advertising .ad_item .item_desc{font-size:14px}.advertising .ad_item .item_img{width:48px;height:48px}.advertising .ad_item .item_img img{height:48px}.footer-main{text-align:left;overflow-wrap:anywhere}footer{padding-bottom:26px}.back-top{bottom:64px;right:12px}.footer-fix{display:block}.footer-fix ul{display:flex;margin:0;padding:0;list-style:none}.footer-fix li{width:25%;float:none}.footer-fix li a{padding:15px 0;font-size:14px}}
@media(max-width:768px){.technology-grid{grid-template-columns:1fr;gap:16px}.technology-grid img{height:auto;max-height:300px}.subsection-title{font-size:22px}.company-profile .con-r h2 em{font-size:24px}}
@media(max-width:768px){.product-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.product-gallery img{height:115px}.history-photos{grid-template-columns:1fr}.history-photos>.media-photo:last-child{max-width:200px;margin:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}