/* ==================== 基础变量与重置 ==================== */
.lw-menu{--ink:#102a49;--blue:#006af5;--line:#e6edf5;position:relative;z-index:9999;background:#fff;color:var(--ink);isolation:isolate;width:100%;max-width:100%;min-width:0;margin:0}
.lw-menu *{box-sizing:border-box}
.lw-menu a{color:inherit;text-decoration:none}
.lw-menu button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;box-shadow:none;margin:0;text-transform:none;letter-spacing:normal}
.lw-menu a:focus-visible,.lw-menu button:focus-visible{outline:2px solid var(--blue);outline-offset:4px}
.lw-menu [hidden]{display:none!important}
.lw-menu:not([data-ready]) .lw-panel[hidden]{display:none!important}
.lw-menu:not([data-ready]) .lw-feature-panel[hidden]{display:none!important}
body:has(.lw-menu.is-mobile-open){overflow:hidden}
@keyframes lw-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){.lw-menu *{animation:none!important;transition:none!important}}
/* ==================== 容器与导航（基础） ==================== */
.lw-menu .lw-inner{max-width:1440px;margin:auto;display:flex;align-items:center;justify-content:center;min-height:82px;padding:0 28px;position:relative}
.lw-menu .lw-nav{display:flex;align-items:center;gap:34px;width:100%;justify-content:center}
.lw-menu .lw-group{position:relative}
.lw-menu .lw-product-group{position:static}
.lw-menu .lw-link,.lw-menu .lw-trigger{display:inline-flex;align-items:center;gap:9px;min-height:82px;font-size:16px;font-weight:500;padding:0;white-space:nowrap}
.lw-menu .lw-link:hover,.lw-menu .lw-trigger:hover,.lw-menu .lw-group.is-open>.lw-trigger{color:var(--blue)}
.lw-menu .lw-chevron{display:inline-block;width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);margin-top:-4px;transition:transform .2s;background:transparent!important;box-shadow:none!important}
.lw-menu .is-open>.lw-trigger .lw-chevron,.lw-menu .lw-sub-toggle[aria-expanded="true"] .lw-chevron{transform:rotate(225deg);margin-top:4px}
.lw-menu .lw-nav .lw-link,.lw-menu .lw-nav .lw-trigger,.lw-menu .lw-nav .lw-sub-toggle{color:#000!important;background:transparent!important;background-image:none!important;box-shadow:none!important;border-radius:0!important}
.lw-menu .lw-nav .lw-trigger,.lw-menu .lw-nav .lw-sub-toggle{border:0!important}
.lw-menu .lw-nav .lw-link:hover,.lw-menu .lw-nav .lw-link:focus-visible,.lw-menu .lw-nav .lw-trigger:hover,.lw-menu .lw-nav .lw-trigger:focus-visible,.lw-menu .lw-nav .lw-sub-toggle:hover,.lw-menu .lw-nav .lw-sub-toggle:focus-visible,.lw-menu .lw-nav .is-open>.lw-trigger,.lw-menu .lw-nav .is-open>.lw-split>.lw-sub-toggle{color:var(--blue)!important;background:transparent!important}
/* ==================== 面板（基础） ==================== */
.lw-menu .lw-panel{position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--line);box-shadow:0 24px 50px #06244720;animation:lw-in .18s ease-out}
.lw-menu .lw-mega{left:24px;right:24px;border-radius:0 0 14px 14px;overflow:hidden}
.lw-menu .lw-mega-top{display:flex;align-items:center;justify-content:space-between;padding:20px 28px;border-bottom:1px solid var(--line);background:#f8fafd}
.lw-menu .lw-mega-top strong{font-size:16px;font-weight:600}
.lw-menu .lw-mega-top span{font-size:12px;color:#6b829d;letter-spacing:2px}
.lw-menu .lw-mega-body{display:grid;grid-template-columns:320px minmax(0,1fr)}
.lw-menu .lw-products{padding:18px 14px;background:#f5f8fc;border-right:1px solid var(--line)}
.lw-menu .lw-product-link{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:51px;padding:12px 15px;border-radius:6px;font-size:14px;line-height:1.6;transition:background .18s,color .18s}
.lw-menu .lw-product-link span:last-child{color:#91a4ba}
.lw-menu .lw-product-link.is-active,.lw-menu .lw-product-link:hover{background:#fff;color:var(--blue);box-shadow:0 3px 15px #173c6710}
.lw-menu .lw-feature{display:grid;grid-template-columns:minmax(180px,1.05fr) minmax(190px,1fr);gap:30px;align-items:center;padding:34px;min-height:400px}
.lw-menu .lw-photo{border-radius:9px;overflow:hidden;background:#edf3fa;aspect-ratio:1.12;position:relative}
.lw-menu .lw-photo img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s}
.lw-menu .lw-feature:hover img{transform:scale(1.04)}
.lw-menu .lw-feature small{display:block;color:var(--blue);letter-spacing:1.5px;font-size:12px;line-height:1.7;margin-bottom:15px}
.lw-menu .lw-feature h2{color:var(--ink);font-size:25px;font-weight:600;line-height:1.5;margin:0 0 18px}
.lw-menu .lw-feature p{font-size:15px;color:#64748a;line-height:1.95;margin:0}
.lw-menu .lw-feature b{display:inline-flex;gap:30px;align-items:center;color:var(--blue);font-size:14px;font-weight:500;margin-top:29px}
.lw-menu .lw-feature b span{border:1px solid #b9d7fb;border-radius:50%;width:30px;height:30px;display:grid;place-items:center}
.lw-menu .lw-simple{min-width:180px;padding:10px;border-radius:0 0 9px 9px}
.lw-menu .lw-simple a{display:block;padding:14px 16px;border-radius:5px;font-size:15px;white-space:nowrap}
.lw-menu .lw-simple a:hover{background:#f0f6ff;color:var(--blue)}
.lw-menu .lw-split{display:flex;align-items:center}
.lw-menu .lw-sub-toggle{min-height:44px;min-width:30px;display:grid;place-items:center;padding:10px}
.lw-menu .lw-mobile-toggle{display:none}
.lw-menu .lw-no-image{grid-template-columns:1fr}
.lw-menu .lw-product-entry{margin:0}
.lw-menu .lw-feature-panel{height:100%}
/* ==================== 桌面端 ≥901px ==================== */
@media(min-width:901px){
.lw-menu .lw-inner{width:100%;max-width:100%;min-height:60px;padding:0;position:static}
.lw-menu .lw-nav{justify-content:space-between;gap:12px 24px;flex-wrap:wrap;min-width:0}
.lw-menu .lw-link,.lw-menu .lw-trigger{min-height:60px;font-size:16px;position:relative}
.lw-menu .lw-link:after,.lw-menu .lw-trigger:after{content:"";height:2px;background:var(--blue);position:absolute;bottom:0;left:0;right:0;transform:scaleX(0);transition:transform .2s}
.lw-menu .lw-link:hover:after,.lw-menu .is-open>.lw-trigger:after{transform:scaleX(1)}
.lw-menu .lw-mega{left:var(--lw-panel-left,0px);right:auto;width:var(--lw-panel-width,100vw);max-width:none;border:0;border-top:1px solid #e8edf3;border-radius:0;background:#fff;box-shadow:0 26px 40px #071d3820}
.lw-menu .lw-mega-top{width:86%;margin:0 auto;padding:25px 0 21px;background:#fff;border-bottom:1px solid #e4eaf1;gap:16px;flex-wrap:wrap}
.lw-menu .lw-mega-top strong{font-weight:500;font-size:18px}
.lw-menu .lw-mega-top span{font-size:13px;letter-spacing:2px}
.lw-menu .lw-mega-body{width:86%;margin:0 auto;grid-template-columns:minmax(0,26%) minmax(0,1fr);padding:28px 0 36px;gap:4%}
.lw-menu .lw-products{background:#fff;border-right:1px solid #e3eaf2;padding:0 12px 0 0;min-width:0}
.lw-menu .lw-features,.lw-menu .lw-feature>div{min-width:0}
.lw-menu .lw-product-link{overflow-wrap:anywhere;min-height:52px;border-radius:0;padding:12px 16px;font-size:15px;border-left:2px solid transparent}
.lw-menu .lw-product-link.is-active,.lw-menu .lw-product-link:hover{background:#f0f6ff;border-left-color:#1267d6;box-shadow:none;color:#1267d6}
.lw-menu .lw-feature{grid-template-columns:minmax(0,1.12fr) minmax(0,1fr);gap:6%;min-height:370px;padding:0;height:100%;overflow-wrap:anywhere}
.lw-menu .lw-photo{border-radius:3px;aspect-ratio:1.45;background:#edf2f7}
.lw-menu .lw-feature h2{font-size:clamp(22px,1.75vw,34px);line-height:1.5;font-weight:500;overflow-wrap:anywhere}
.lw-menu .lw-feature p{font-size:16px;line-height:1.9}
.lw-menu .lw-feature b{margin-top:30px;gap:18px}
.lw-menu .lw-feature small{font-size:13px;line-height:1.8;font-weight:600}
.lw-menu .lw-simple{border-radius:0;min-width:200px;padding:10px;box-shadow:0 15px 35px #071d381a}
}
@media(min-width:901px) and (max-width:1100px){
.lw-menu .lw-nav{gap:22px}
.lw-menu .lw-mega-body{grid-template-columns:280px 1fr}
.lw-menu .lw-feature{gap:22px;padding:24px}
.lw-menu .lw-feature h2{font-size:21px}
}
/* ==================== 移动端 ≤900px ==================== */
@media(max-width:900px){
.lw-menu .lw-features{display:none}
.lw-menu:not([data-ready]) .lw-nav{display:none!important}
.lw-menu .lw-nav{display:none;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0}
.lw-menu .lw-inner{padding:0 20px;min-height:60px;display:block;position:relative;overflow:visible}
.lw-menu .lw-mobile-toggle{position:relative;display:flex;align-items:center;justify-content:center;width:40px;min-width:40px;max-width:40px;height:40px;min-height:40px;padding:0!important;margin:0!important;border:0!important;border-radius:0!important;background:#0b496b!important;box-shadow:none!important;color:#fff!important;cursor:pointer;z-index:10000}
.lw-menu .lw-mobile-toggle>span:first-child{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;clip-path:inset(50%)!important;white-space:nowrap!important;border:0!important}
.lw-menu .lw-mobile-toggle>span:last-child{display:none!important}
.lw-menu .lw-mobile-toggle::before{content:""!important;position:static!important;display:block!important;flex:0 0 24px;width:24px!important;height:24px!important;margin:0!important;padding:0!important;border:0!important;transform:none!important;box-shadow:none!important;background:linear-gradient(to bottom,transparent 0 4px,#fff 4px 6px,transparent 6px 11px,#fff 11px 13px,transparent 13px 18px,#fff 18px 20px,transparent 20px 24px)!important}
.lw-menu .lw-mobile-toggle::after{content:none!important}
.lw-menu[data-ready].is-mobile-open .lw-nav{display:flex;position:fixed;top:0;left:0;right:0;bottom:0;width:auto;max-width:none;min-width:0;max-height:50vh;margin:0;padding:100px 16px 20px;box-sizing:border-box;background:#fff;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;z-index:9999}
.lw-menu .lw-link,.lw-menu .lw-trigger{min-height:54px;font-size:16px;white-space:normal;overflow-wrap:anywhere;flex-shrink:0}
.lw-menu .lw-trigger{width:100%;justify-content:space-between}
.lw-menu .lw-split{justify-content:space-between}
.lw-menu .lw-group{border-bottom:1px solid var(--line);flex-shrink:0;min-width:0}
.lw-menu .lw-panel{position:static;box-shadow:none;border:0;border-radius:0;animation:none}
.lw-menu .lw-mega-top,.lw-menu .lw-feature{display:none}
.lw-menu .lw-mega-body{display:block}
.lw-menu .lw-products{padding:8px;border:0;border-radius:6px;margin-bottom:10px}
.lw-menu .lw-product-link{min-height:48px;white-space:normal;overflow-wrap:anywhere;flex-shrink:0}
.lw-menu .lw-simple{background:#f5f8fc;margin-bottom:10px}
.lw-menu[data-ready].is-mobile-open .lw-nav .lw-panel,.lw-menu[data-ready].is-mobile-open .lw-nav .lw-mega{position:static;left:auto;right:auto;width:100%;min-width:0;max-width:none;margin:0;box-sizing:border-box}
.lw-menu[data-ready].is-mobile-open .lw-nav .lw-products,.lw-menu[data-ready].is-mobile-open .lw-nav .lw-features{width:100%}
}