:root{
  --lw-bg:#f7f7f7;
  --lw-surface:#ffffff;
  --lw-primary:#2669ff;
  --lw-primary-soft:#eaf1ff;
  --lw-text-1:#1f2328;
  --lw-text-2:#5f6b7a;
  --lw-text-3:#9da7b2;
  --lw-line:#e8e8ea;
  --lw-line-soft:#f2f2f4;
  --lw-shadow:0 2px 8px rgba(0,0,0,0.02);
  --lw-radius-card:12px;
  --lw-radius-btn:8px;
  --lw-radius-tag:4px;
  --lw-font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--lw-bg);color:var(--lw-text-1);font-family:var(--lw-font);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--lw-primary);text-decoration:none}
a:hover{text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none;margin:0;padding:0}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

.top{position:fixed;top:0;left:0;right:0;z-index:99;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--lw-line-soft);box-shadow:0 1px 0 rgba(0,0,0,.02)}
.top-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.top-left{display:flex;align-items:center;gap:32px}
.top-logo{display:flex;align-items:center}
.top-logo img{height:32px;width:auto}
.top-nav{display:flex;align-items:center;gap:4px}
.top-nav>li{position:relative}
.top-link{display:flex;align-items:center;height:40px;padding:0 14px;font-size:15px;color:var(--lw-text-1);border-radius:var(--lw-radius-btn);transition:background .15s,color .15s}
.top-link:hover{color:var(--lw-primary);background:var(--lw-primary-soft)}
.top-right{display:flex;align-items:center;gap:8px}
.top-right>a{font-size:14px}

.btn-ghost{display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:var(--lw-radius-btn);color:var(--lw-text-2);transition:background .15s,color .15s}
.btn-ghost:hover{color:var(--lw-primary);background:var(--lw-primary-soft)}
.btn-primary{display:inline-flex;align-items:center;height:36px;padding:0 20px;border-radius:var(--lw-radius-btn);background:var(--lw-primary);color:#ffffff;font-weight:500;transition:background .15s,transform .15s}
.btn-primary:hover{background:#1e58e6;color:#ffffff;transform:translateY(-1px)}
.btn-outline{display:inline-flex;align-items:center;height:36px;padding:0 20px;border-radius:var(--lw-radius-btn);border:1px solid var(--lw-line);color:var(--lw-text-1);background:var(--lw-surface);transition:border-color .15s,color .15s}
.btn-outline:hover{border-color:var(--lw-primary);color:var(--lw-primary)}

.mb-toggle{display:none;background:none;border:none;color:var(--lw-text-1);font-size:20px;height:40px;width:40px;cursor:pointer}
.mb-drawer{position:fixed;top:0;right:-100%;width:280px;height:100%;background:var(--lw-surface);z-index:200;transition:right .25s;box-shadow:-8px 0 24px rgba(0,0,0,.06);display:flex;flex-direction:column}
.mb-drawer.open{right:0}
.mb-head{display:flex;align-items:center;justify-content:space-between;padding:20px 20px 12px;border-bottom:1px solid var(--lw-line-soft)}
.mb-close{background:none;border:none;font-size:20px;color:var(--lw-text-2);cursor:pointer}
.mb-menu{flex:1;overflow-y:auto;padding:8px 12px}
.mb-menu>li>a{display:block;padding:12px 12px;font-size:15px;color:var(--lw-text-1);border-radius:8px;transition:background .15s}
.mb-menu>li>a:hover{background:var(--lw-primary-soft);color:var(--lw-primary)}
.mb-actions{padding:16px;border-top:1px solid var(--lw-line-soft);display:flex;flex-direction:column;gap:10px}
.mb-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:190;opacity:0;pointer-events:none;transition:opacity .25s}
.mb-overlay.show{opacity:1;pointer-events:auto}

.hero{padding:96px 0 64px;background:var(--lw-bg)}
.hero-grid{display:grid;grid-template-columns:1fr 320px;gap:64px;align-items:center}
.hero-title{font-size:40px;font-weight:500;line-height:1.2;color:var(--lw-text-1);letter-spacing:-0.5px;margin:0 0 16px}
.hero-sub{font-size:17px;color:var(--lw-text-2);margin:0 0 20px;line-height:1.6;max-width:560px}
.hero-badges{display:flex;align-items:center;gap:12px;margin:0 0 24px;flex-wrap:wrap}
.hero-badge{display:flex;align-items:baseline;gap:4px;padding:6px 14px;border-radius:20px;background:#ffffff;border:1px solid #ececf0;font-size:13px;color:var(--lw-text-2)}
.hero-badge strong{font-size:15px;font-weight:600;color:var(--lw-primary);letter-spacing:.3px}
.hero-badge span{font-size:13px;color:var(--lw-text-2)}
.hero-badge-sep{width:1px;height:14px;background:#ececf0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-points{display:flex;flex-direction:column;gap:12px}
.hero-point{display:flex;gap:12px;align-items:flex-start;padding:16px;background:var(--lw-surface);border-radius:var(--lw-radius-card);box-shadow:var(--lw-shadow)}
.hero-point i{color:var(--lw-primary);font-size:18px;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:var(--lw-primary-soft);flex-shrink:0}
.hero-point strong{display:block;font-size:14px;font-weight:500;color:var(--lw-text-1);margin-bottom:2px}
.hero-point span{font-size:13px;color:var(--lw-text-2)}

.section-title{font-size:28px;font-weight:500;color:var(--lw-text-1);margin:0 0 8px;line-height:1.2}
.section-sub{font-size:15px;color:var(--lw-text-2);margin:0 0 32px}

.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid-6{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}

.card{padding:24px;background:var(--lw-surface);border-radius:var(--lw-radius-card);box-shadow:var(--lw-shadow);transition:transform .15s,box-shadow .2s}
.card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.06)}
.card-icon{width:44px;height:44px;border-radius:10px;background:var(--lw-primary-soft);display:flex;align-items:center;justify-content:center;color:var(--lw-primary);font-size:18px;margin-bottom:16px}
.card-title{font-size:16px;font-weight:500;color:var(--lw-text-1);margin:0 0 6px}
.card-text{font-size:14px;color:var(--lw-text-2);margin:0;line-height:1.5}
.card-arrow{margin-top:16px;font-size:13px;color:var(--lw-primary);font-weight:500}
.card-arrow:hover{text-decoration:none}

.stats-section{padding:16px 0}
.stats-card{background:var(--lw-surface);border-radius:var(--lw-radius-card);box-shadow:var(--lw-shadow);padding:24px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stats-item h3{font-size:32px;font-weight:500;color:var(--lw-text-1);margin:0 0 4px;font-family:var(--lw-font)}
.stats-item p{font-size:14px;color:var(--lw-text-2);margin:0}

.cta-section{padding:48px 0 80px}
.cta-card{background:var(--lw-surface);border-radius:var(--lw-radius-card);box-shadow:var(--lw-shadow);padding:40px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.cta-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.cta-stat{padding:16px}
.cta-stat h4{font-size:28px;font-weight:500;color:var(--lw-text-1);margin:0 0 4px}
.cta-stat p{font-size:13px;color:var(--lw-text-2);margin:0}
.cta-title{font-size:24px;font-weight:500;color:var(--lw-text-1);margin:0 0 12px;line-height:1.2}
.cta-text{font-size:14px;color:var(--lw-text-2);margin:0 0 20px}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap}

.foot{background:var(--lw-surface);border-top:1px solid var(--lw-line-soft);padding:48px 0 32px;margin-top:48px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.foot-brand p{font-size:14px;color:var(--lw-text-2);line-height:1.6;margin:16px 0}
.foot-brand img{max-width:160px}
.foot-contact{display:flex;flex-direction:column;gap:10px;font-size:13px;color:var(--lw-text-2)}
.foot-contact a{color:var(--lw-text-2);display:flex;align-items:center;gap:8px}
.foot-contact a:hover{color:var(--lw-primary)}
.foot-title{font-size:14px;font-weight:500;color:var(--lw-text-1);margin:0 0 16px}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col ul li a{font-size:13px;color:var(--lw-text-2);transition:color .15s}
.foot-col ul li a:hover{color:var(--lw-primary)}
.foot-bottom{padding-top:20px;margin-top:32px;border-top:1px solid var(--lw-line-soft);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:12px;color:var(--lw-text-3)}
.foot-bottom a{color:var(--lw-text-3)}
.foot-bottom a:hover{color:var(--lw-primary)}

.back-top{position:fixed;right:24px;bottom:24px;width:40px;height:40px;border-radius:10px;background:var(--lw-surface);border:1px solid var(--lw-line);color:var(--lw-text-2);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:80;opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .2s,transform .2s,color .15s,border-color .15s;box-shadow:0 4px 16px rgba(0,0,0,.06)}
.back-top.show{opacity:1;transform:translateY(0);pointer-events:auto}.back-top:hover{color:var(--lw-primary);border-color:var(--lw-primary)}


@media (max-width: 1024px){
  .top-nav{display:none}.top-right>a{display:none}.mb-toggle{display:block}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .grid-4{grid-template-columns:repeat(2,1fr);gap:12px}
  .grid-3{grid-template-columns:repeat(2,1fr);gap:12px}
  .grid-6{grid-template-columns:repeat(3,1fr);gap:12px}
  .stats-card{grid-template-columns:repeat(2,1fr);gap:16px;padding:20px}
  .cta-card{grid-template-columns:1fr;gap:24px;padding:28px}
  .foot-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .hero-title{font-size:32px}
  .hero{padding:80px 0 40px}
  .section-title{font-size:24px}
}

@media (max-width: 575px){
  .wrap{padding:0 16px}
  .top-inner{height:56px}
  .hero{padding:88px 0 32px}
  .hero-title{font-size:28px}
  .hero-sub{font-size:15px;margin:0 0 16px}
  .hero-badges{gap:8px;margin:0 0 20px}
  .hero-badge{padding:5px 10px;font-size:12px;border-radius:16px}
  .hero-badge strong{font-size:13px}
  .hero-point{padding:14px}
  .hero-points{gap:8px}
  .grid-4{grid-template-columns:repeat(2,1fr);gap:10px}
  .grid-3{grid-template-columns:repeat(1,1fr);gap:12px}
  .grid-6{grid-template-columns:repeat(2,1fr);gap:10px}
  .card{padding:18px}
  .card-title{font-size:15px}
  .stats-card{grid-template-columns:repeat(2,1fr);gap:12px;padding:18px}
  .stats-item h3{font-size:24px}
  .cta-card{padding:24px}
  .cta-stats{grid-template-columns:repeat(2,1fr);gap:12px}
  .cta-title{font-size:20px}
  .foot-grid{grid-template-columns:1fr;gap:20px}
}


@media (max-width: 575px){
}
.lw-chevron{display:inline-block;width:0;height:0;border-left:3px solid transparent;border-right:3px solid transparent;border-top:4px solid #9da7b2;vertical-align:middle;margin-left:4px;vertical-align:middle}
.lw-bars{display:inline-flex;flex-direction:column;gap:4px;width:20px;height:14px}
.lw-bars b{display:block;height:2px;background:var(--lw-text-1);border-radius:1px}
.lw-bars b:nth-child(2){width:70%}
.lw-close{display:inline-block;width:20px;height:20px;position:relative}
.lw-close::before,.lw-close::after{content:'';position:absolute;top:9px;left:2px;width:16px;height:2px;background:var(--lw-text-1);border-radius:1px}
.lw-close::before{transform:rotate(45deg)}
.lw-close::after{transform:rotate(-45deg)}

.mb-toggle{background:none;border:none;color:var(--lw-text-1);font-size:16px;height:40px;width:40px;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:var(--lw-radius-btn);transition:background .15s}
.mb-toggle:hover{background:var(--lw-primary-soft)}
.mb-close{background:none;border:none;padding:10px;cursor:pointer}
.top-sub{position:absolute;top:calc(100% + 4px);left:0;min-width:200px;background:var(--lw-surface);border-radius:var(--lw-radius-btn);box-shadow:0 8px 24px rgba(0,0,0,.08);padding:8px;opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity .15s,transform .15s,visibility .15s;z-index:100}
.top-nav>li:hover .top-sub{opacity:1;visibility:visible;transform:translateY(0)}
.top-sub a{display:block;padding:8px 12px;font-size:14px;color:var(--lw-text-1);border-radius:6px;transition:background .15s,color .15s}
.top-sub a:hover{background:var(--lw-primary-soft);color:var(--lw-primary)}

.mb-mask{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:190;opacity:0;pointer-events:none;transition:opacity .25s}
.mb-mask.show{opacity:1;pointer-events:auto}
.mb-drawer{position:fixed;top:0;right:-100%;width:280px;height:100%;background:var(--lw-surface);z-index:200;transition:right .25s;box-shadow:-8px 0 24px rgba(0,0,0,.06);display:flex;flex-direction:column}
.mb-drawer.show{right:0}
.mb-head{display:flex;align-items:center;justify-content:space-between;padding:20px;border-bottom:1px solid var(--lw-line-soft)}
.mb-nav{flex:1;overflow-y:auto;padding:8px 12px}
.mb-item{border-bottom:1px solid var(--lw-line-soft)}
.mb-link{display:flex;align-items:center;justify-content:space-between;padding:14px 12px;font-size:15px;color:var(--lw-text-1);border-radius:8px;transition:background .15s}
.mb-link:hover{background:var(--lw-primary-soft);color:var(--lw-primary)}
.mb-sub{display:none;background:var(--lw-bg);border-radius:8px;margin:0 8px 8px;padding:4px 0}
.mb-sub a{display:block;padding:10px 16px;font-size:14px;color:var(--lw-text-2);transition:color .15s}
.mb-sub a:hover{color:var(--lw-primary)}
.mb-actions{padding:16px;border-top:1px solid var(--lw-line-soft);display:flex;flex-direction:column;gap:10px}

@media (max-width: 1024px){
  .top-nav{display:none}
  .top-right>a{display:none}
  .mb-toggle{display:inline-flex}
}
.hero-dot{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:var(--lw-primary-soft);color:var(--lw-primary);font-size:14px;flex-shrink:0}
.hero-dot::before{content:"+";font-weight:700}
.section{padding:64px 0}

.back-top svg{display:block}
.foot-brand .fa-phone,.foot-brand .fa-envelope,.foot-brand .fa-map-marker-alt,.foot-brand .fa-headset{display:none}

.lw-qq-float{position:fixed;bottom:24px;left:24px;z-index:9999}
.lw-qq-btn{display:inline-flex;align-items:center;gap:0;padding:10px 18px;background:var(--lw-primary);color:#ffffff;border-radius:25px;box-shadow:0 4px 16px rgba(38,105,255,.28);font-size:14px;font-weight:500;text-decoration:none;transition:transform .15s ease,box-shadow .15s ease;line-height:1}
.lw-qq-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(38,105,255,.38);color:#ffffff;text-decoration:none}