/* 飞宇诺新设计公共样式（fyn = FEIYUNUO new）—— 内页共用：导航/页尾/通用板块 */
:root{--fyn-ink:#0A0A0A;--fyn-paper:#FFF;--fyn-grey:#757575;--fyn-line:#E4E4E4;--fyn-pad:6vw}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;color:var(--fyn-ink);background:var(--fyn-paper);font-weight:300;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.fyn-latin{font-family:Jost,'Helvetica Neue',Arial,sans-serif}

/* ===== 导航（与首页同规格：84px → 滚动后 64px） ===== */
.fyn-nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 var(--fyn-pad);height:84px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:height .4s,background .4s}
.fyn-nav.scrolled{height:64px;border-bottom:1px solid var(--fyn-line)}
.fyn-nav-menu{overflow:visible}
.fyn-nav-logo{font-family:Jost,'Helvetica Neue',Arial,sans-serif;font-size:18px;font-weight:400;letter-spacing:.35em;color:var(--fyn-ink);white-space:nowrap}
.fyn-nav-logo span{font-weight:200}
.fyn-nav-menu{display:flex;gap:36px;list-style:none;margin:0;padding:0}
.fyn-nav-menu a{font-size:13px;letter-spacing:.22em;color:var(--fyn-ink);position:relative;padding:4px 0;display:block}
.fyn-nav-menu a::after{content:'';position:absolute;left:0;bottom:0;width:0;height:1px;background:currentColor;transition:width .35s ease}
.fyn-nav-menu a:hover::after{width:100%}
.fyn-nav-menu a.cur{font-weight:400}
/* 二级下拉 */
.fyn-nav-menu li{position:relative}
.fyn-submenu{position:absolute;top:100%;left:-20px;min-width:190px;background:#fff;border:1px solid var(--fyn-line);border-top:none;padding:12px 0;list-style:none;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .3s;z-index:110;box-shadow:0 16px 40px rgba(0,0,0,.06)}
.fyn-has-sub:hover .fyn-submenu{opacity:1;visibility:visible;transform:none}
.fyn-submenu a{display:block;padding:10px 24px;font-size:12px;letter-spacing:.15em;color:#555;transition:all .25s;white-space:nowrap}
.fyn-submenu a:hover{color:var(--fyn-ink);padding-left:32px;background:#FAFAFA}
/* 移动端抽屉二级 */
.fyn-m-item{position:relative}
.fyn-m-item>a{border-bottom:none}
.fyn-m-toggle{position:absolute;right:0;top:15px;background:none;border:none;font-size:16px;color:var(--fyn-ink);cursor:pointer;padding:4px 8px}
.fyn-m-sub{display:none;border-bottom:1px solid var(--fyn-line)}
.fyn-m-sub a{display:block;padding:12px 0;font-size:14px}
.fyn-nav-cta{font-size:12px;letter-spacing:.2em;color:var(--fyn-ink);border:1px solid var(--fyn-ink);padding:9px 22px;transition:all .35s;white-space:nowrap}
.fyn-nav-cta:hover{background:var(--fyn-ink);color:#fff}
.fyn-nav-lang{display:flex;align-items:center;gap:8px;font-family:Jost,sans-serif;font-size:12px;letter-spacing:.15em;color:var(--fyn-ink);cursor:pointer;background:none;border:none;padding:0;user-select:none;white-space:nowrap}
.fyn-nav-lang svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.2}
.fyn-nav-burger{display:none;background:none;border:none;cursor:pointer;padding:6px}
.fyn-nav-burger svg{width:24px;height:24px;stroke:var(--fyn-ink);stroke-width:1.6;fill:none}

/* 语言层 */
.fyn-lang-overlay{position:fixed;inset:0;z-index:200;background:rgba(255,255,255,.98);backdrop-filter:blur(8px);display:flex;flex-direction:column;opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
.fyn-lang-overlay.open{opacity:1;visibility:visible}
.fyn-lang-head{display:flex;justify-content:space-between;align-items:center;padding:28px var(--fyn-pad);border-bottom:1px solid var(--fyn-line)}
.fyn-lang-head span{font-size:13px;letter-spacing:.3em;color:var(--fyn-grey)}
.fyn-lang-close{background:none;border:none;cursor:pointer;font-family:Jost,sans-serif;font-size:12px;letter-spacing:.2em;color:var(--fyn-ink);padding:8px 0}
.fyn-lang-grid{flex:1;overflow-y:auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:0 var(--fyn-pad);padding:20px var(--fyn-pad);align-content:start}
.fyn-lang-grid a{display:flex;align-items:center;gap:12px;padding:13px 4px;border-bottom:1px solid var(--fyn-line);font-family:Jost,sans-serif;font-size:14px;font-weight:300;letter-spacing:.06em;color:var(--fyn-ink);transition:padding-left .3s,color .3s}
.fyn-lang-grid a:hover{padding-left:14px;color:#999}
.fyn-lang-grid img{width:20px;height:14px;object-fit:cover}
.fyn-lang-grid a.cur{font-weight:500;color:var(--fyn-ink)}
.fyn-lang-grid a.cur::after{content:'CF';font-size:8px;margin-left:auto;color:var(--fyn-ink)}

/* 移动端抽屉 */
.fyn-m-nav{position:fixed;top:0;right:0;bottom:0;z-index:210;width:78vw;max-width:340px;background:#fff;transform:translateX(100%);transition:transform .4s cubic-bezier(.22,1,.36,1);overflow-y:auto;padding:84px 8vw 40px}
.fyn-m-nav.open{transform:none}
.fyn-m-nav a{display:block;padding:15px 0;font-size:15px;letter-spacing:.18em;color:var(--fyn-ink);border-bottom:1px solid var(--fyn-line)}
.fyn-m-mask{position:fixed;inset:0;z-index:205;background:rgba(0,0,0,.4);opacity:0;visibility:hidden;transition:opacity .4s}
.fyn-m-mask.open{opacity:1;visibility:visible}

/* ===== 页尾 ===== */
.fyn-footer{background:#0A0A0A;color:#fff;padding:80px var(--fyn-pad) 36px}
.fyn-foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:50px;padding-bottom:60px;border-bottom:1px solid #222}
.fyn-foot-logo{font-family:Jost,sans-serif;font-size:22px;letter-spacing:.35em;font-weight:400}
.fyn-foot-logo span{font-weight:200}
.fyn-foot-slogan{margin-top:18px;font-size:13px;line-height:2.1;letter-spacing:.1em;color:#888;white-space:pre-line}
.fyn-foot-col h4{font-size:12px;letter-spacing:.35em;color:#666;font-weight:400;margin-bottom:22px}
.fyn-foot-col a{display:block;font-size:13px;letter-spacing:.12em;color:#AAA;padding:7px 0;transition:color .3s,padding-left .3s}
.fyn-foot-col a:hover{color:#fff;padding-left:8px}
.fyn-foot-col p{font-size:13px;letter-spacing:.1em;color:#AAA;line-height:2.2}
.fyn-foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:26px;font-family:Jost,sans-serif;font-size:11px;letter-spacing:.2em;color:#555}

/* ===== 内页通用 ===== */
.fyn-page-head{padding:140px var(--fyn-pad) 60px;border-bottom:1px solid var(--fyn-line)}
.fyn-page-head h1{font-size:clamp(30px,3.6vw,52px);font-weight:200;letter-spacing:.14em}
.fyn-crumb{margin-top:16px;font-size:12px;letter-spacing:.15em;color:var(--fyn-grey)}
.fyn-crumb a{color:var(--fyn-grey);transition:color .3s}
.fyn-crumb a:hover{color:var(--fyn-ink)}
.fyn-sec{padding:70px var(--fyn-pad)}
.fyn-eyebrow{font-family:Jost,sans-serif;font-size:11px;letter-spacing:.45em;color:var(--fyn-grey);text-transform:uppercase}

/* 询盘弹窗（保留原 inquiry 机制） */
#fyn-inquiry{max-width:560px;margin:0 auto;background:#fff;padding:50px;position:relative}
#fyn-inquiry h3{font-size:22px;font-weight:300;letter-spacing:.2em;margin-bottom:30px}
#fyn-inquiry .fyn-field{margin-bottom:20px}
#fyn-inquiry label{display:block;font-size:12px;letter-spacing:.2em;color:var(--fyn-grey);margin-bottom:8px}
#fyn-inquiry input,#fyn-inquiry textarea{width:100%;border:none;border-bottom:1px solid var(--fyn-line);padding:10px 2px;font-size:14px;font-family:inherit;outline:none;transition:border-color .3s;background:#fff}
#fyn-inquiry input:focus,#fyn-inquiry textarea:focus{border-color:var(--fyn-ink)}
#fyn-inquiry textarea{min-height:90px;resize:vertical}
#fyn-inquiry button{margin-top:10px;background:var(--fyn-ink);color:#fff;border:none;padding:14px 46px;font-size:13px;letter-spacing:.25em;cursor:pointer;font-family:inherit;transition:opacity .3s}
#fyn-inquiry button:hover{opacity:.85}

@media (max-width:1000px){
  .fyn-nav-logo{font-size:15px;letter-spacing:.22em;flex-shrink:0}
  .fyn-nav{gap:12px;padding:0 4vw}
  .fyn-nav-menu,.fyn-nav-cta{display:none}
  .fyn-nav-burger{display:block}
  .fyn-nav-lang{display:flex}

  .fyn-nav-lang{margin-left:auto;flex-shrink:0}
  .fyn-nav-burger{flex-shrink:0}
  .fyn-foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .fyn-nav-logo{font-size:11px;letter-spacing:.12em}
  .fyn-nav-lang{font-size:10px;gap:4px}
  .fyn-foot-grid{grid-template-columns:1fr}
  #fyn-inquiry{padding:34px 22px}
}

/* 弹窗隐藏（无magnific css时必需） */
.mfp-hide{display:none!important}
.white-popup{position:relative;background:#fff;max-width:560px;margin:40px auto;padding:50px}