/* Company navigation and shared interaction states. Content remains source-specific. */
:root{--fh-red:#b82229;--fh-red-hover:#981b22;--fh-ink:#20262d;--fh-line:#e7e9ed;--fh-header-height:88px;--fh-page-width:1520px;--fh-gutter:clamp(20px,4vw,80px)}
html[data-fh-refined="true"]{scroll-padding-top:calc(var(--fh-header-height) + 20px)}
html[data-fh-refined="true"] body{margin:0;min-width:0}
html[data-fh-refined="true"] ::selection{color:#fff;background:#ae2027}
html[data-fh-refined="true"] a:focus-visible,html[data-fh-refined="true"] button:focus-visible,html[data-fh-refined="true"] input:focus-visible{outline:3px solid #2980c1;outline-offset:4px}
html[data-fh-refined="true"] .fh-company-logo{background:transparent!important;padding:0!important}
html[data-feihong-site="tysd"][data-fh-refined="true"] #header,html[data-feihong-site="uftong"][data-fh-refined="true"] .indexheader,html[data-feihong-site="ufidatd"][data-fh-refined="true"] #webHeaderTable,html[data-feihong-site="ufidatd"][data-fh-refined="true"] #webNavTable,html[data-feihong-site="ufidatd"][data-fh-refined="true"] .webNavTable,html[data-feihong-site="ufidatd"][data-fh-refined="true"] #webTop,html[data-feihong-site="cotong"][data-fh-refined="true"] .headerHover,html[data-feihong-site="cotong"][data-fh-refined="true"] .m_header,html[data-feihong-site="cotong"][data-fh-refined="true"] .menu_box,html[data-feihong-site="hengdee"][data-fh-refined="true"] .open_header,html[data-feihong-site="hbty"][data-fh-refined="true"] body>header,html[data-feihong-site="sem"][data-fh-refined="true"] .top_suspension,html[data-feihong-site="sem"][data-fh-refined="true"] .outer{display:none!important}
html[data-fh-refined="true"] [data-fh-legacy-header]{display:none!important}
#fh-site-header,#fh-site-header *{box-sizing:border-box}
#fh-site-header{position:sticky;top:0;z-index:10010;height:var(--fh-header-height);font-family:Arial,"Microsoft YaHei",sans-serif;font-size:15px;line-height:1.5;letter-spacing:0;color:var(--fh-ink);background:#fff;border-bottom:1px solid var(--fh-line);isolation:isolate;text-align:left}
#fh-site-header[data-theme="dark"]{color:#fff;background:#b82229;border-color:rgba(255,255,255,.15)}
#fh-site-header a{color:inherit;text-decoration:none}
#fh-site-header button{font:inherit;color:inherit;cursor:pointer;appearance:none;border:0;border-radius:0;background:none;box-shadow:none}
#fh-site-header .fh-nav-inner{height:100%;width:min(1600px,calc(100% - var(--fh-gutter)*2));margin:0 auto;display:flex;align-items:center;gap:clamp(18px,2vw,40px);position:static}
#fh-site-header .fh-nav-brand{display:block;width:204px;flex:0 0 204px;line-height:0}
#fh-site-header .fh-nav-brand img{display:block;width:100%;height:auto;max-height:62px;object-fit:contain;background:transparent}
#fh-main-nav{align-self:stretch;flex:1;min-width:0}
#fh-site-header .fh-nav-list{display:flex;align-items:stretch;justify-content:center;list-style:none;margin:0;padding:0;height:100%;gap:clamp(4px,.6vw,12px)}
#fh-site-header .fh-nav-item{margin:0;padding:0;list-style:none;position:static;float:none;width:auto;height:auto}
#fh-site-header .fh-nav-line{display:flex;align-items:center;height:100%;position:relative;white-space:nowrap}
#fh-site-header .fh-nav-link{display:flex;align-items:center;height:100%;font-size:15px;font-weight:500;padding:0 5px;position:relative}
#fh-site-header .fh-nav-link[aria-current="page"]:after{content:"";position:absolute;bottom:21px;left:5px;right:5px;height:2px;background:var(--fh-red)}
#fh-site-header[data-theme="dark"] .fh-nav-link[aria-current="page"]:after{background:#fff}
#fh-site-header .fh-sub-toggle{display:flex;align-items:center;justify-content:center;min-width:18px;height:44px;padding:0;opacity:.72}
#fh-site-header .fh-sub-toggle svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:1.5;transition:transform .16s ease}
#fh-site-header .fh-sub-toggle[aria-expanded="true"] svg{transform:rotate(180deg)}
#fh-site-header .fh-nav-contact{flex:0 0 auto;border-left:1px solid var(--fh-line);padding-left:22px;display:flex;flex-direction:column}
#fh-site-header[data-theme="dark"] .fh-nav-contact{border-color:rgba(255,255,255,.25)}
#fh-site-header .fh-nav-contact span{font-size:11px;opacity:.8;line-height:1.4}
#fh-site-header .fh-nav-contact strong{font-size:17px;font-weight:600;white-space:nowrap;font-variant-numeric:tabular-nums}
#fh-site-header .fh-mega-panel{position:absolute;top:100%;left:0;right:0;width:min(1160px,calc(100% - 48px));margin:0 auto;padding:28px 36px 36px;background:#fff;color:var(--fh-ink);border:1px solid var(--fh-line);border-top:3px solid var(--fh-red);box-shadow:0 16px 26px rgba(23,28,36,.12);text-align:left;max-height:calc(100dvh - var(--fh-header-height) - 24px);overflow:auto}
#fh-site-header .fh-mega-panel[hidden]{display:none!important}
#fh-site-header .fh-mega-top{display:flex;align-items:center;gap:28px;padding-bottom:20px;margin-bottom:24px;border-bottom:1px solid var(--fh-line)}
#fh-site-header .fh-mega-top>a{font-size:20px;font-weight:600;color:var(--fh-red);white-space:nowrap}
#fh-site-header .fh-mega-top p{font-size:13px;line-height:1.7;margin:0;color:#68717c}
#fh-site-header .fh-mega-groups{display:flex;gap:36px}
#fh-site-header .fh-mega-groups>section{flex:1;min-width:0;margin:0;padding:0}
#fh-site-header .fh-mega-groups h2{font-size:14px;color:#747b85;font-weight:500;margin:0 0 12px;line-height:1.5;padding:0;background:none;border:0;text-align:left}
#fh-site-header .fh-mega-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 14px}
#fh-site-header .fh-mega-links a{font-size:14px;line-height:1.5;display:flex;align-items:center;padding:9px 10px;margin-left:-10px;min-height:40px;transition:background .15s,color .15s;overflow-wrap:anywhere}
#fh-site-header .fh-mega-links a:hover,#fh-site-header .fh-mega-links a:focus-visible{color:var(--fh-red);background:#fbf1f2}
#fh-site-header .fh-menu-toggle,#fh-site-header .fh-mobile-contact{display:none}
html[data-fh-refined="true"] .f_log .fh-company-logo{filter:brightness(0) invert(1);background:transparent!important}
html.fh-menu-open,html.fh-dialog-open{overflow:hidden}
@media(min-width:1181px){#fh-site-header .fh-nav-link:hover{color:var(--fh-red)}#fh-site-header[data-theme="dark"] .fh-nav-link:hover{color:#fff;opacity:.8}}
@media(max-width:1510px) and (min-width:1181px){#fh-site-header .fh-nav-inner{width:calc(100% - 48px);gap:20px}#fh-site-header .fh-nav-brand{width:180px;flex-basis:180px}#fh-site-header .fh-nav-contact{padding-left:16px}#fh-site-header .fh-nav-contact strong{font-size:15px}#fh-site-header .fh-nav-list{gap:3px}#fh-site-header .fh-nav-link{font-size:14px}}
@media(max-width:1320px) and (min-width:1181px){#fh-site-header .fh-nav-contact{display:none}}
@media(max-width:1180px){:root{--fh-header-height:72px}#fh-site-header .fh-nav-inner{width:calc(100% - 40px);justify-content:space-between;gap:16px}#fh-site-header .fh-nav-brand{width:184px;flex-basis:184px}#fh-site-header .fh-nav-brand img{max-height:51px}#fh-site-header .fh-nav-contact{margin-left:auto;padding-left:0;border:0}#fh-site-header .fh-menu-toggle{display:grid;grid-template-columns:22px auto;grid-template-rows:repeat(3,4px);gap:3px 9px;align-content:center;justify-content:center;width:64px;height:48px;order:3;padding:0}#fh-site-header .fh-menu-toggle>span{display:block;height:2px;width:22px;background:currentColor;grid-column:1}#fh-site-header .fh-menu-toggle>b{grid-column:2;grid-row:1/4;align-self:center;font-size:12px;font-weight:400}#fh-main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;color:var(--fh-ink);border-bottom:1px solid var(--fh-line);height:calc(100dvh - var(--fh-header-height));overflow:auto;overscroll-behavior:contain;padding:12px 24px max(32px,env(safe-area-inset-bottom))}html.fh-menu-open #fh-main-nav{display:block}#fh-site-header .fh-nav-list{display:block;height:auto}#fh-site-header .fh-nav-item{border-bottom:1px solid var(--fh-line)}#fh-site-header .fh-nav-line{height:56px;justify-content:space-between}#fh-site-header .fh-nav-link{flex:1;font-size:16px;padding:0 4px}#fh-site-header .fh-nav-link[aria-current="page"]{color:var(--fh-red);font-weight:600}#fh-site-header .fh-nav-link[aria-current="page"]:after{display:none}#fh-site-header .fh-sub-toggle{width:48px;height:48px}#fh-site-header .fh-sub-toggle svg{width:18px;height:18px}#fh-site-header .fh-mega-panel{position:static;width:100%;max-height:none;margin:0;padding:12px 4px 24px;border:0;border-top:0;box-shadow:none;overflow:visible}#fh-site-header .fh-mega-top{padding:0 0 12px;margin:0 0 18px;display:block}#fh-site-header .fh-mega-top>a{font-size:15px}#fh-site-header .fh-mega-top p{font-size:12px;margin-top:5px}#fh-site-header .fh-mega-groups{gap:24px;flex-wrap:wrap}#fh-site-header .fh-mega-groups>section{flex:1 1 240px}#fh-site-header .fh-mega-links a{padding:12px 8px;min-height:44px;font-size:14px}#fh-site-header .fh-mobile-contact{display:flex;flex-wrap:wrap;gap:16px;align-items:center;padding:24px 4px;color:var(--fh-red)}}
@media(max-width:600px){#fh-site-header .fh-nav-inner{width:calc(100% - 32px)}#fh-site-header .fh-nav-brand{width:170px;flex-basis:170px}#fh-site-header .fh-nav-contact{display:none}#fh-site-header .fh-mega-groups>section{flex-basis:100%}#fh-main-nav{padding-left:20px;padding-right:20px}}
@media(prefers-reduced-motion:reduce){#fh-site-header *{transition:none!important;scroll-behavior:auto!important}}
/* The source Silex mobile canvas uses a very high editor-mask layer. */
@media(max-width:1180px){html[data-feihong-site="sem"] #fh-site-header{z-index:1100000000}html[data-feihong-site="sem"] #fh-site-header .fh-nav-inner{position:relative;z-index:1}html[data-feihong-site="sem"] #fh-main-nav{position:fixed;top:var(--fh-header-height);left:0;right:0}html.fh-sem-source-popup-open #fh-site-header{z-index:1!important;pointer-events:none}}