/* 阀天流体新页头试装 — 与 Doubao 稿对齐，作用域 .fouten-header-v2，避免旧青底页头盖住 */
.fouten-header-v2{
  --navy:#017173;
  --teal:#017173;
  --text:#1d2a36;
  --muted:#667585;
  --line:#e6eaee;
  --white:#fff;
  --max:1280px;
  font-family:Arial,"Microsoft YaHei","微软雅黑",sans-serif;
  position:sticky;
  top:0;
  z-index:200;
}
.fouten-header-v2 a{color:inherit;text-decoration:none}
.fouten-header-v2 .site-topbar{
  background:var(--navy);
  color:#b7c4d0;
  font-size:12px;
  height:34px;
  letter-spacing:.03em;
}
.fouten-header-v2 .site-topbar .wrap{
  max-width:var(--max);
  margin:0 auto;
  padding:0 24px;
  height:34px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.fouten-header-v2 .site-topbar .left{font-weight:600;color:#d5e0ea;white-space:nowrap}
.fouten-header-v2 .site-topbar .left span{color:#7eaea9;margin:0 8px;font-weight:400}
.fouten-header-v2 .site-topbar .right{display:flex;align-items:center;gap:18px;white-space:nowrap}
.fouten-header-v2 .site-topbar .right a{color:#b7c4d0}
.fouten-header-v2 .site-topbar .right a:hover{color:#fff}
.fouten-header-v2 .site-topbar .right .sep{color:#3a6666}
.fouten-header-v2 .site-topbar .lang{display:flex;gap:6px;align-items:center}
.fouten-header-v2 .site-topbar .lang b{color:#fff;font-weight:600}
.fouten-header-v2 .site-topbar .lang i{font-style:normal;color:#5a8585}

.fouten-header-v2 .fh2-mast{
  background:var(--white);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(12,74,74,.04);
}
.fouten-header-v2 .fh2-mast .wrap{
  max-width:var(--max);
  margin:0 auto;
  padding:0 24px;
  height:88px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}

.fouten-header-v2 .brand{
  display:flex;align-items:center;flex-shrink:0;min-width:max-content;
  color:#111;transform:none!important;text-decoration:none;
}
.fouten-header-v2 .brand img{display:none!important}
.fouten-header-v2 .brand .words{
  display:flex;flex-direction:column;justify-content:center;align-items:center;
  line-height:1;white-space:nowrap;text-align:center;
}
.fouten-header-v2 .brand .words b{
  font-family:KaiTi,"KaiTi_GB2312","STKaiti","楷体","Kaiti SC","Noto Serif SC",serif;
  font-size:34px;font-weight:700;font-style:normal;font-stretch:100%;
  color:#111;letter-spacing:.08em;
  line-height:1.15;
  transform:none;scale:none;
  text-rendering:geometricPrecision;
  -webkit-font-smoothing:antialiased;
}
.fouten-header-v2 .brand .words i{
  font-family:Arial,Helvetica,sans-serif;
  font-style:normal;font-size:28px;font-weight:700;
  color:#111;letter-spacing:.04em;
  margin-top:6px;line-height:1;
  text-transform:none;
}

.fouten-header-v2 .main-nav{
  display:flex;align-items:center;gap:4px;flex:1;justify-content:center;
  list-style:none;margin:0;padding:0;
}
.fouten-header-v2 .main-nav > li{list-style:none;position:relative}
.fouten-header-v2 .main-nav > li > a{
  display:flex;align-items:center;gap:4px;
  padding:8px 14px;
  font-size:15px;color:#111;font-weight:700;
  border-radius:6px;
  background:transparent!important;
  box-shadow:none!important;
}
.fouten-header-v2 .main-nav > li > a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:2px;background:var(--teal);
  transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.fouten-header-v2 .main-nav > li > a{position:relative}
.fouten-header-v2 .main-nav > li > a:hover,
.fouten-header-v2 .main-nav > li.active > a{color:#111}
.fouten-header-v2 .main-nav > li > a:hover::after,
.fouten-header-v2 .main-nav > li.active > a::after{transform:scaleX(1)}
.fouten-header-v2 .main-nav > li > a .caret{font-size:10px;color:#111;font-weight:700}

.fouten-header-v2 .main-nav .dropdown{
  display:none;
  position:absolute;top:100%;left:0;transform:none;
  width:560px;
  background:var(--white);
  border:1px solid #dbe5ec;
  border-radius:0 0 11px 11px;
  box-shadow:0 18px 36px rgba(4,30,52,.18);
  padding:19px;
  z-index:220;
  grid-template-columns:1fr 1fr;
  opacity:1;visibility:visible;pointer-events:auto;
}
.fouten-header-v2 .main-nav > li:hover .dropdown{display:grid}
.fouten-header-v2 .main-nav .dropdown .mh{
  grid-column:1/-1;padding:0 0 13px;margin-bottom:7px;
  color:#017173;border-bottom:1px solid #dbe5ec;
  font-size:11px;font-weight:800;letter-spacing:.13em;
}
.fouten-header-v2 .main-nav .dropdown a{
  display:flex;flex-direction:column;justify-content:center;
  min-height:52px;padding:10px;
  font-size:14px;font-weight:700;color:#1d2a36;
  border-radius:0;border-bottom:1px solid #edf2f5;
}
.fouten-header-v2 .main-nav .dropdown a:hover{background:#f6fafc;color:#017173}
.fouten-header-v2 .main-nav .dropdown a small{display:block;font-size:11px;color:#8aa0b3;font-weight:400;margin-top:2px}
.fouten-header-v2 .main-nav .mega-compact{width:430px}

.fouten-header-v2 .header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.fouten-header-v2 .phone-block{display:flex;flex-direction:column;align-items:flex-end;line-height:1.2}
.fouten-header-v2 .phone-block .label{font-size:11px;color:var(--muted);letter-spacing:.08em}
.fouten-header-v2 .phone-block .num{font-size:18px;font-weight:700;color:#111!important;letter-spacing:.01em;margin-top:2px}


.fouten-header-v2 .hdr-search{
  display:flex;align-items:stretch;
  width:196px;height:36px;
  border:1px solid #c5d0d6;
  border-radius:8px;
  background:#fff;
  overflow:hidden;
  flex-shrink:0;
}
.fouten-header-v2 .hdr-search:focus-within{border-color:#111}
.fouten-header-v2 .hdr-search input{
  flex:1;min-width:0;border:0;outline:none;background:transparent;
  padding:0 12px;font-size:13px;font-family:Arial,Helvetica,sans-serif;color:#111;
}
.fouten-header-v2 .hdr-search input::placeholder{color:#8a96a0;font-family:Arial,Helvetica,sans-serif}
.fouten-header-v2 .hdr-search button{
  width:36px;border:0;border-left:1px solid #c5d0d6;background:#f7f9fa;cursor:pointer;
  color:#111;display:flex;align-items:center;justify-content:center;padding:0;
}
.fouten-header-v2 .hdr-search button svg{width:16px;height:16px}
.fouten-header-v2 .hdr-search-mobile{width:100%;height:40px;margin:8px 0 12px}
.fouten-header-v2 .hdr-search-mobile button{width:auto;padding:0 12px;font-size:13px;font-family:Arial,Helvetica,sans-serif;font-weight:700}

.fouten-header-v2 .icon-btn{
  width:38px;height:38px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  color:var(--muted);border:1px solid var(--line);
  background:transparent;
}
.fouten-header-v2 .icon-btn:hover{color:var(--navy);border-color:var(--teal);background:#f6fafa}
.fouten-header-v2 .icon-btn svg{width:18px;height:18px}

.fouten-header-v2 .btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  height:48px;
  background:var(--navy)!important;
  color:#fff!important;
  font-size:13px;font-weight:700;
  border-radius:8px!important;
  border:none!important;
  box-shadow:none!important;
  white-space:nowrap;
  min-height:48px!important;
  background-image:none!important;
  line-height:1.15;
}
.fouten-header-v2 .btn-primary .cta-stack{
  display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:1px;
}
.fouten-header-v2 .btn-primary .cta-kicker{
  font-size:11px;font-weight:600;letter-spacing:.06em;opacity:.9;line-height:1.1;
}
.fouten-header-v2 .btn-primary .cta-main{
  font-size:13px;font-weight:700;line-height:1.15;
}
.fouten-header-v2 .btn-primary svg{display:none}
.fouten-header-v2 .btn-primary:hover{background:var(--teal)!important}
.fouten-header-v2 .btn-primary svg{width:15px;height:15px}

.fouten-header-v2 .nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;color:var(--navy)}
.fouten-header-v2 .nav-toggle svg{width:24px;height:24px}

.fouten-header-v2 .mobile-menu{
  display:none;
  background:var(--white);
  border-top:1px solid var(--line);
  padding:12px 24px 20px;
}
.fouten-header-v2 .mobile-menu.open{display:block}
.fouten-header-v2 .mobile-menu a{display:block;padding:12px 4px;font-size:15px;color:var(--text);border-bottom:1px solid #f0f2f4}
.fouten-header-v2 .mobile-menu a:hover{color:var(--navy)}

@media (max-width:1080px){
  .fouten-header-v2 .main-nav{display:none}
  .fouten-header-v2 .nav-toggle{display:flex}
  .fouten-header-v2 .phone-block{display:none}
  .fouten-header-v2 .site-topbar .right .addr{display:none}
}
@media (max-width:640px){
  .fouten-header-v2 .fh2-mast .wrap{height:76px;padding:0 16px;gap:12px}
  .fouten-header-v2 .brand .words b{font-size:28px;letter-spacing:.06em;color:#111}
  .fouten-header-v2 .brand .words i{font-size:20px;font-weight:700;letter-spacing:.05em;margin-top:6px;color:#111}
  .fouten-header-v2 .btn-primary{padding:9px 16px;font-size:13px}
  .fouten-header-v2 .icon-btn{display:none}
  .fouten-header-v2 .hdr-search{display:none}
  .fouten-header-v2 .site-topbar .left{font-size:11px}
}

/* 侧栏随白底页头高度 */
.product-sidenav{top:128px!important}

/* 关掉旧青底整条页头粘性，避免双层 */
.site-header-unified{position:static!important}

/* list-page body ink: black text on white, keep hero/cta contrast */
.product-list-page .list-shell,
.product-list-page .list-shell a,
.product-list-page .breadcrumb,
.product-list-page .breadcrumb a,
.product-list-page .breadcrumb span,
.product-list-page .subcat,
.product-list-page .category-overview,
.product-list-page .category-overview-kicker,
.product-list-page .category-overview h2,
.product-list-page .category-overview-body,
.product-list-page .prod-body,
.product-list-page .prod-body h2,
.product-list-page .prod-body h2 a,
.product-list-page .prod-model,
.product-list-page .prod-model strong,
.product-list-page .prod-body .btn,
.product-list-page .section-header h2,
.product-list-page .section-tag,
.product-list-page .faq-item summary,
.product-list-page .faq-toggle,
.product-list-page .faq-answer,
.product-sidenav,
.product-sidenav-kicker,
.product-sidenav-link,
.product-sidenav-link:hover,
.product-sidenav-link.is-on,
.product-sidenav-sublink,
.product-sidenav-sublink:hover,
.product-sidenav-sublink.is-on,
.sidenav-group.has-sub>.product-sidenav-link:after{
  color:#111!important;
}
.product-list-page .faq-item[open] .faq-toggle{
  background:#ececec!important;
  color:#111!important;
}

/* footer wordmark: one lockup, white, centered */
.site-footer .footer-logo{
  display:flex!important;
  flex-direction:column!important;
  align-items:center!important;
  justify-content:center!important;
  gap:0!important;
  text-align:center!important;
  text-decoration:none!important;
  color:#fff!important;
  width:340px;
  max-width:100%;
  margin:0 0 16px 0!important;
}
.site-footer .footer-logo img{display:none!important}
.site-footer .footer-logo .words{
  display:flex;flex-direction:column;align-items:center;text-align:center;
}
.site-footer .footer-logo b{
  font-family:KaiTi,"KaiTi_GB2312","STKaiti","楷体","Kaiti SC","Noto Serif SC",serif;
  font-size:34px!important;font-weight:700!important;font-style:normal;
  color:#fff!important;letter-spacing:.08em;line-height:1.15;
}
.site-footer .footer-logo i{
  font-family:Arial,Helvetica,sans-serif;
  display:block;font-style:normal;font-size:28px!important;font-weight:700!important;
  color:#fff!important;letter-spacing:.04em;margin-top:8px!important;line-height:1;
}


.fouten-header-v2 .phone-block{display:none!important}
.fouten-header-v2 .hdr-aside{
  display:flex;flex-direction:column;align-items:flex-end;justify-content:center;
  gap:8px;flex-shrink:0;
}
.fouten-header-v2 .hdr-consult{
  color:#111!important;background:none!important;border:0!important;
  font-style:italic;font-weight:700;font-size:13px;line-height:1.2;
  text-decoration:none;white-space:nowrap;padding:0;letter-spacing:.01em;
}
.fouten-header-v2 .hdr-consult:hover{color:#017173!important}
.fouten-header-v2 .hdr-quote{
  display:inline-flex;align-items:center;justify-content:center;
  background:#017173!important;color:#fff!important;
  padding:8px 16px;min-height:36px;border-radius:8px;
  font-size:13px;font-weight:700;line-height:1;text-decoration:none;
  white-space:nowrap;border:0;
}
.fouten-header-v2 .hdr-quote:hover{background:#155e5e!important}
.fouten-header-v2 .header-actions > a.btn-primary,
.fouten-header-v2 .hdr-cta-col{display:none!important}


/* NARROW 375 u13 — keep CTA and hamburger inside viewport */
@media (max-width:640px){
  .fouten-header-v2 .site-topbar{overflow:hidden}
  .fouten-header-v2 .site-topbar .right{display:none}
  .fouten-header-v2 .hdr-consult{display:none!important}
  .fouten-header-v2 .hdr-quote{padding:8px 12px;font-size:12px;min-height:34px}
  .fouten-header-v2 .fh2-mast .wrap{height:72px;padding:0 12px;gap:8px;min-width:0;overflow:visible}
  .fouten-header-v2 .brand{min-width:0}
  .fouten-header-v2 .brand .words b{font-size:22px;letter-spacing:.04em}
  .fouten-header-v2 .brand .words i{font-size:16px;margin-top:4px}
  .fouten-header-v2 .header-actions{gap:8px;min-width:0}
  .fouten-header-v2 .nav-toggle{display:flex!important;flex-shrink:0}
}