/* ============================================================
   NEO HEADER — 固定玻璃导航
   ============================================================ */
.nx-hdr{position:sticky;top:0;z-index:900;width:100%;transition:background .4s,backdrop-filter .4s,border-color .4s;border-bottom:1px solid transparent}
.nx-hdr.is-stuck{background:rgba(7,10,16,.82);backdrop-filter:blur(18px) saturate(140%);border-bottom-color:var(--nx-line)}
.nx-hdr-top{background:rgba(255,255,255,.02);border-bottom:1px solid rgba(255,255,255,.05)}
.nx-hdr-top-in{display:flex;align-items:center;justify-content:space-between;height:40px;font-size:12.5px;color:var(--nx-dim)}
.nx-hdr-contact{display:flex;align-items:center;gap:18px}
.nx-hdr-contact a{color:var(--nx-muted);text-decoration:none;transition:color .25s}
.nx-hdr-contact a:hover{color:var(--nx-accent)}
.nx-hdr-badge{letter-spacing:.12em;text-transform:uppercase;font-size:11px;color:var(--nx-dim);border:1px solid var(--nx-line);border-radius:999px;padding:4px 10px}

.nx-hdr-main-in{display:flex;align-items:center;gap:clamp(14px,2vw,34px);height:78px}
.nx-logo{display:flex;align-items:center;flex-shrink:0}
.nx-logo img{height:46px;width:auto;filter:brightness(0) invert(1);transition:opacity .3s}
.nx-logo:hover img{opacity:.85}
.nx-logo-text{font-size:19px;font-weight:800;letter-spacing:-.02em;color:#fff}

.nx-nav{flex:1;min-width:0}
.nx-nav ul{display:flex;align-items:center;gap:clamp(6px,1.2vw,20px);list-style:none;margin:0;padding:0;flex-wrap:nowrap;overflow:hidden}
.nx-nav ul li{list-style:none}
.nx-nav ul li a{
  position:relative;display:inline-block;padding:8px 2px;font-size:14.5px;font-weight:600;
  color:var(--nx-muted);text-decoration:none;white-space:nowrap;transition:color .25s;
}
.nx-nav ul li a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--nx-accent),var(--nx-accent-2));
  transform:scaleX(0);transform-origin:left;transition:transform .35s var(--nx-ease);
}
.nx-nav ul li a:hover{color:#fff}
.nx-nav ul li a:hover::after{transform:scaleX(1)}
.nx-nav-close-li{display:none}

.nx-hdr-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nx-search{display:flex;align-items:center;height:42px;border-radius:999px;border:1px solid var(--nx-line-strong);background:rgba(255,255,255,.04);padding:0 4px 0 16px;transition:border-color .3s,box-shadow .3s}
.nx-search:focus-within{border-color:rgba(34,211,238,.6);box-shadow:0 0 0 4px rgba(34,211,238,.12)}
.nx-search input{width:min(220px,22vw);height:100%;border:0;background:transparent;color:var(--nx-text);font-size:13.5px;outline:none}
.nx-search input::placeholder{color:var(--nx-dim)}
.nx-search button{width:34px;height:34px;border:0;border-radius:50%;background:linear-gradient(120deg,var(--nx-accent),#4ae3ff);cursor:pointer;display:grid;place-items:center}
.nx-search-ico{width:14px;height:14px;border:2px solid #04141a;border-radius:50%;position:relative}
.nx-search-ico::after{content:"";position:absolute;right:-5px;bottom:-4px;width:7px;height:2px;background:#04141a;transform:rotate(45deg)}

.nx-burger{display:none;width:44px;height:44px;border:1px solid var(--nx-line-strong);border-radius:12px;background:rgba(255,255,255,.04);cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nx-burger span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:.3s}

.nx-mega{max-height:0;overflow:hidden;transition:max-height .5s var(--nx-ease);background:rgba(9,13,20,.96);backdrop-filter:blur(18px);border-bottom:1px solid var(--nx-line)}
.nx-hdr.mega-open .nx-mega{max-height:70vh;overflow:auto}
.nx-mega-in{padding:22px 0 30px}
.nx-mega .fl ul{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px;list-style:none;margin:0;padding:0}
.nx-mega .fl ul li{list-style:none}
.nx-mega .fl ul li > a{display:block;padding:10px 14px;border-radius:10px;color:var(--nx-muted);text-decoration:none;font-size:14px;transition:.25s}
.nx-mega .fl ul li > a:hover{background:rgba(34,211,238,.1);color:#fff}

/* 语言下拉（旧版 inline CSS 已随 Top.php 重写移除，这里补齐） */
.language-dropdown{position:relative;display:inline-block}
.language-dropdown-content{
  display:none;position:absolute;left:0;top:calc(100% + 6px);min-width:200px;max-height:340px;
  overflow-y:auto;z-index:1200;border-radius:12px;padding:6px 0;
  background:#0d131c!important;border:1px solid var(--nx-line)!important;
  box-shadow:0 24px 60px -20px rgba(0,0,0,.9)!important;
}
.language-dropdown-content.show{display:block}
.language-dropdown-content a{
  display:flex;align-items:center;gap:10px;padding:9px 14px;font-size:13px;
  color:var(--nx-muted)!important;text-decoration:none;
  border-bottom:1px solid rgba(255,255,255,.04)!important;
}
.language-dropdown-content a:hover{background:rgba(34,211,238,.1)!important;color:#fff!important}
.language-dropdown-content a img{width:16px;height:12px}

/* 巨型菜单里 get_str 输出的 .fl 不要再受旧版固定宽度约束 */
.nx-mega .fl{width:auto!important;float:none!important}
.nx-mega .fl ul li ul{display:none}

/* 语言下拉在深色下 */
.nx-lang-btn{background:rgba(255,255,255,.04)!important;border:1px solid var(--nx-line)!important;border-radius:999px!important;color:var(--nx-text)!important;font-size:12.5px!important;min-height:30px!important;padding:4px 10px!important}
.nx-lang-btn:after{border-top-color:var(--nx-muted)!important}
.language-dropdown-content{background:#0d131c!important;border:1px solid var(--nx-line)!important;box-shadow:0 24px 60px -20px rgba(0,0,0,.9)!important}
.language-dropdown-content a{color:var(--nx-muted)!important;border-bottom:1px solid rgba(255,255,255,.05)!important}
.language-dropdown-content a:hover{background:rgba(34,211,238,.1)!important;color:#fff!important}

/* 响应式 */
@media(max-width:1180px){
  .nx-search input{width:150px}
  .nx-hdr-cta{display:none}
}
@media(max-width:980px){
  .nx-nav{position:fixed;inset:0 0 0 auto;width:min(360px,86vw);background:#080c13;border-left:1px solid var(--nx-line);padding:70px 22px 30px;transform:translateX(100%);transition:transform .45s var(--nx-ease);overflow:auto;z-index:999}
  .nx-nav.nx-nav-open{transform:none}
  .nx-nav ul{flex-direction:column;align-items:flex-start;gap:2px}
  .nx-nav ul li{width:100%}
  .nx-nav ul li a{display:block;padding:14px 0;font-size:16px;color:var(--nx-text)}
  .nx-nav-close-li{display:flex;justify-content:flex-end;margin-bottom:8px}
  .nx-nav-close-li button{background:none;border:0;cursor:pointer}
  .nx-burger{display:flex}
  .nx-search{display:none}
  .nx-hdr-main-in{height:66px}
  .nx-hdr-badge{display:none}
}
@media(max-width:600px){
  .nx-hdr-top{display:none}
  .nx-logo img{height:38px}
}