/* Shared production components for Tiancheng multilingual static site */
.site-header,.tc-site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid #d8dee6;color:#182230;font-family:Arial,"Microsoft YaHei",sans-serif}.site-topbar,.tc-topbar{background:#fff;border-bottom:1px solid #e3e8ef;font-size:13px;color:#445161}.site-topbar .container,.tc-topbar .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:7px 0}.site-topbar a,.tc-topbar a{color:#1f4e79;text-decoration:none}.language-switcher,.tc-language-switcher{display:flex;gap:6px;flex-wrap:wrap;overflow-x:visible;background:#f6f7f9;border-bottom:1px solid #e3e8ef;padding:8px max(3%,calc((100% - 1160px)/2))}.language-option,.tc-lang{white-space:nowrap;border:1px solid #d8dee6;border-radius:6px;background:#fff;color:#445161;padding:5px 9px;font-size:12px;text-decoration:none}.language-option:hover,.tc-lang:hover{background:#f4f6f8;border-color:#b9c3cf}.language-option.active,.tc-lang.active{background:#e9f1f8;color:#1f4e79;border-color:#b7cee2;font-weight:700}.site-navigation,.tc-nav{background:#fff}.site-navigation .container,.tc-nav .container{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px 0;flex-wrap:wrap}.site-logo,.tc-brand{display:flex;align-items:center;flex:0 0 auto}.site-logo img,.tc-brand img{height:38px;max-width:220px;display:block;object-fit:contain}.site-nav-links,.tc-navlinks{display:flex;align-items:center;justify-content:center;gap:6px;flex:1 1 520px;flex-wrap:wrap;min-width:0}.site-nav-links a,.tc-navlinks a{padding:8px 10px;border-radius:6px;color:#2f3b4a;text-decoration:none;font-size:14px;font-weight:600;white-space:nowrap}.site-nav-links a:hover,.tc-navlinks a:hover{background:#f1f5f9;color:#1f4e79}.whatsapp-quote,.tc-wa-btn{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:9px 14px;border-radius:6px;border:1px solid #b7d8c6;background:#fff;color:#1f7a4d;text-decoration:none;font-size:14px;font-weight:700;white-space:nowrap}.whatsapp-quote:hover,.tc-wa-btn:hover{background:#f1fbf5}.tc-menu-btn{display:none;border:1px solid #d8dee6;background:#fff;color:#1f4e79;border-radius:6px;padding:8px 10px;font-weight:700}.site-footer,.tc-footer{background:#172033;color:#d9e2ec;padding:28px 0;font-size:14px}.site-footer .container,.tc-footer .container{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:22px}.site-footer h3,.tc-footer h3{margin:0 0 8px;color:#fff;font-size:15px}.site-footer a,.tc-footer a{color:#d9e2ec;text-decoration:none}.site-footer a:hover,.tc-footer a:hover{text-decoration:underline}.site-footer ul,.tc-footer ul{list-style:none;padding:0;margin:0}.site-footer li,.tc-footer li{margin:5px 0}.footer-logo{height:34px;max-width:210px;margin-bottom:10px;background:#fff;border-radius:6px;padding:4px}.tc-footer-bottom{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.12);margin-top:6px;padding-top:14px;color:#aebccc}.floating-whatsapp,.tc-float-wa{position:fixed;right:24px;bottom:24px;z-index:70;display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:6px;border:1px solid #b7d8c6;background:#fff;color:#1f7a4d;text-decoration:none;font-weight:700;font-size:14px}.floating-whatsapp:hover,.tc-float-wa:hover{background:#f1fbf5}.form-status{min-height:20px}.tc-loading,.loading-state{position:relative;color:transparent!important}.tc-loading:after,.loading-state:after{content:"";width:16px;height:16px;border:2px solid #c8dbea;border-top-color:#1f4e79;border-radius:50%;position:absolute;left:calc(50% - 8px);top:calc(50% - 8px);animation:tc-spin .8s linear infinite}@keyframes tc-spin{to{transform:rotate(360deg)}}html[dir="rtl"]{direction:rtl;text-align:right}html[dir="rtl"] body{direction:rtl;text-align:right}html[dir="rtl"] .container,html[dir="rtl"] main,html[dir="rtl"] section{text-align:right}html[dir="rtl"] .phone,html[dir="rtl"] .whatsapp-number,html[dir="rtl"] .spec-number,html[dir="rtl"] input[type="email"],html[dir="rtl"] [dir="ltr"],html[dir="rtl"] .tc-ltr{direction:ltr!important;unicode-bidi:plaintext;text-align:left!important;display:inline-block}html[dir="rtl"] .floating-whatsapp,html[dir="rtl"] .tc-float-wa{right:24px;left:auto}html[dir="rtl"] .site-navigation,html[dir="rtl"] .tc-nav .container{flex-direction:row-reverse}html[dir="rtl"] .site-nav-links,html[dir="rtl"] .tc-navlinks{flex-direction:row-reverse;direction:rtl}html[dir="rtl"] .language-switcher,html[dir="rtl"] .tc-language-switcher{direction:ltr;text-align:left}html[dir="rtl"] input,html[dir="rtl"] textarea,html[dir="rtl"] select{text-align:right;direction:rtl}html[dir="rtl"] input[name="email"],html[dir="rtl"] input[name="buyer_phone"]{direction:ltr!important;text-align:left!important;unicode-bidi:plaintext}@media(max-width:980px){.tc-menu-btn{display:inline-flex}.site-nav-links,.tc-navlinks{display:none;flex-basis:100%;align-items:stretch;flex-direction:column;border-top:1px solid #e3e8ef;padding-top:8px}.site-nav-links.show,.tc-navlinks.show{display:flex}.site-nav-links a,.tc-navlinks a{display:block}.whatsapp-quote,.tc-wa-btn{margin-left:auto}html[dir="rtl"] .whatsapp-quote,html[dir="rtl"] .tc-wa-btn{margin-left:0;margin-right:auto}}@media(max-width:640px){.site-topbar .container,.tc-topbar .container{display:block}.site-logo img,.tc-brand img{height:34px;max-width:190px}.whatsapp-quote,.tc-wa-btn{font-size:13px;padding:8px 10px}.site-footer .container,.tc-footer .container{grid-template-columns:1fr}.floating-whatsapp,.tc-float-wa{right:16px;bottom:16px}.language-switcher,.tc-language-switcher{padding-left:3%;padding-right:3%;gap:5px}.language-option,.tc-lang{font-size:12px;padding:5px 8px}html[dir="rtl"] .floating-whatsapp,html[dir="rtl"] .tc-float-wa{right:16px;left:auto}}

/* Keep shared header visible above legacy page CSS */
.site-header.tc-site-header{display:block!important;visibility:visible!important;opacity:1!important;position:sticky!important;top:0!important;z-index:999!important;background:#fff!important}
.site-header .language-switcher,.tc-site-header .tc-language-switcher{display:flex!important;visibility:visible!important;opacity:1!important}
.site-header .site-navigation,.site-header .tc-nav{display:block!important}
.site-header .site-nav-links,.site-header .tc-navlinks{display:flex!important}
.site-header .site-topbar,.site-header .tc-topbar{display:block!important}
@media(max-width:980px){.site-header .site-nav-links,.site-header .tc-navlinks{display:none!important}.site-header .site-nav-links.show,.site-header .tc-navlinks.show{display:flex!important}}

/* Image gallery alignment: avoid 4+2 layouts on desktop */
.gallery,.case-gallery,.factory-gallery{grid-template-columns:repeat(3,minmax(0,1fr))!important;gap:14px!important;align-items:stretch!important}
.gallery a,.case-gallery picture,.factory-gallery .factory-photo{height:100%!important}
.gallery img,.case-gallery img,.factory-gallery img{width:100%!important;height:210px!important;object-fit:cover!important;display:block!important}
@media(max-width:900px){.gallery,.case-gallery,.factory-gallery{grid-template-columns:repeat(2,minmax(0,1fr))!important}.gallery img,.case-gallery img,.factory-gallery img{height:190px!important}}
@media(max-width:560px){.gallery,.case-gallery,.factory-gallery{grid-template-columns:1fr!important}.gallery img,.case-gallery img,.factory-gallery img{height:auto!important;max-height:260px!important}}

/* Layout polish 20260723d: balanced cards and factory galleries */
/* Even card grids: avoid 4+2 benefit/card rows on wide screens */
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))!important;align-items:stretch!important}
.grid-3>.feature,.grid-3>.card,.grid-3>.product-card,.grid-3>.case-card,.grid-3>.article-card{height:100%!important;display:flex!important;flex-direction:column!important}
@media(max-width:900px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))!important}}
@media(max-width:560px){.grid-3{grid-template-columns:1fr!important}}
/* Factory/photo galleries: desktop uses stable 3-column rows; 10th item spans/centers instead of leaving one lonely card */
.factory-gallery{grid-template-columns:repeat(3,minmax(0,1fr))!important;gap:14px!important;align-items:stretch!important}
.factory-gallery .factory-photo{height:100%!important;display:flex!important;flex-direction:column!important;border-radius:8px!important;box-shadow:none!important}
.factory-gallery .factory-photo picture{display:block!important;flex:0 0 auto!important}
.factory-gallery .factory-photo img{width:100%!important;height:210px!important;object-fit:cover!important;display:block!important}
.factory-gallery .factory-photo span{min-height:48px!important;display:flex!important;align-items:center!important;padding:10px 12px!important}
.factory-gallery .factory-photo:nth-last-child(1):nth-child(3n+1){grid-column:2 / span 1!important}
@media(max-width:900px){.factory-gallery{grid-template-columns:repeat(2,minmax(0,1fr))!important}.factory-gallery .factory-photo img{height:190px!important}.factory-gallery .factory-photo:nth-last-child(1):nth-child(3n+1){grid-column:auto!important}}
@media(max-width:560px){.factory-gallery{grid-template-columns:1fr!important}.factory-gallery .factory-photo img{height:auto!important;max-height:260px!important}.factory-gallery .factory-photo span{min-height:auto!important}}