:root{
  --ink:#101820;--muted:#66727d;--dark:#0b1118;--dark2:#101b26;--line:#dde3e7;
  --green:#168044;--green2:#1d9b58;--red:#e11b22;--soft:#f5f7f8;--white:#fff;
  --shadow:0 18px 50px rgba(9,18,27,.10);--radius:18px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.45}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.site-header{position:sticky;top:0;z-index:50;height:78px;display:flex;align-items:center;gap:24px;padding:8px 4vw;background:rgba(11,17,24,.98);border-bottom:1px solid rgba(255,255,255,.08);backdrop-filter:blur(14px)}
.brand{width:220px;height:60px;display:block;flex:0 0 auto;overflow:hidden;background:#000}
.brand-mark{display:block;width:100%;height:100%;background-image:url("/assets/brand/lsc-logo.jpg");background-size:cover;background-repeat:no-repeat;background-position:center center}
.nav{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav a{font-size:13px;font-weight:720;color:#dce4e9}
.nav a:hover,.nav a[aria-current="page"]{color:#fff}
.header-actions{display:flex;align-items:center;gap:11px}
.lang-switch{display:flex;border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:3px}
.lang{border:0;background:transparent;color:#9aa7b0;padding:7px 9px;border-radius:999px;font-size:11px;font-weight:850;cursor:pointer}
.lang.active{background:#fff;color:#0b1118}
.menu-toggle{display:none;margin-left:auto;background:transparent;border:1px solid rgba(255,255,255,.22);color:#fff;border-radius:10px;padding:8px 11px;font-size:20px;line-height:1}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 18px;border-radius:11px;border:1px solid transparent;font-weight:820;cursor:pointer}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 12px 30px rgba(225,27,34,.18)}
.btn-green{background:linear-gradient(135deg,var(--green),var(--green2));color:#fff;box-shadow:0 12px 28px rgba(22,128,68,.20)}
.btn-outline{border-color:rgba(255,255,255,.30);background:rgba(255,255,255,.035);color:#fff}
.btn-light{background:#fff;color:#0b1118;border-color:#d7dde1}
.btn-small{min-height:38px;padding:0 15px;font-size:13px}
.breadcrumb{padding:10px 5.5vw;background:#f7f8f9;border-bottom:1px solid var(--line);font-size:12px;color:#6c7881}
.breadcrumb a{font-weight:760;color:#26323c}
.footer{padding:28px 5.5vw;background:#080d12;color:#9eabb5;font-size:12px;display:flex;justify-content:space-between;gap:18px;align-items:center}
.footer a{color:#dce5ea}
@media(max-width:1060px){
  .site-header{height:72px;padding:7px 4vw;gap:12px}
  .brand{width:190px;height:54px}
  .menu-toggle{display:block}
  .nav{display:none;position:absolute;top:72px;left:4vw;right:4vw;margin:0;padding:14px;background:#0b1118;border:1px solid rgba(255,255,255,.12);border-radius:15px;box-shadow:0 20px 45px rgba(0,0,0,.28);flex-direction:column;align-items:flex-start;gap:4px}
  .nav.open{display:flex}
  .nav a{width:100%;padding:10px}
  .header-actions>.btn{display:none}
}
@media(max-width:620px){
  .site-header{padding-left:16px;padding-right:16px}
  .brand{width:170px;height:50px}
  .lang{padding:6px 7px}
  .breadcrumb{padding-left:20px;padding-right:20px}
  .footer{padding-left:20px;padding-right:20px;flex-direction:column;align-items:flex-start}
}