*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;color:#1e293b;background:#f8fafc;line-height:1.6;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%}
::selection{background:rgba(0,112,224,0.2)}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:#f1f5f9}
::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ===== TOPBAR ===== */
.topbar{background:linear-gradient(135deg,#1e3a5f,#162d4a);font-size:13px}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;height:40px}
.topbar__contacts{display:flex;align-items:center;gap:24px}
.topbar__contact{display:flex;align-items:center;gap:6px;color:#94a3b8;transition:color .2s}
.topbar__contact:hover{color:#fff}
.topbar__contact svg{width:14px;height:14px}

/* ===== NAVBAR ===== */
.navbar{position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.98);border-bottom:1px solid rgba(0,0,0,.06);backdrop-filter:blur(12px)}
.navbar__inner{display:flex;align-items:center;justify-content:space-between;height:68px;max-width:1200px;margin:0 auto;padding:0 24px}
.navbar__logo img{height:40px;width:auto;display:block}
.navbar__nav{display:flex;align-items:center;gap:36px}
.nav-link{font-size:14px;font-weight:500;color:#475569;transition:color .2s;position:relative;padding:4px 0}
.nav-link:hover,.nav-link.active{color:#0070e0}
.nav-link.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:#0070e0;border-radius:1px}
.navbar__actions{display:flex;align-items:center;gap:12px}
.navbar__hamburger{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px}
.navbar__hamburger span{width:22px;height:2px;background:#334155;border-radius:1px}
/* Nav dropdown */
.navbar__dropdown{position:relative;display:flex;align-items:center}
.navbar__dropdown-menu{position:absolute;top:100%;left:0;min-width:230px;background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:12px;box-shadow:0 14px 34px rgba(0,0,0,.16);padding:6px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .2s ease,transform .2s ease,visibility .2s;z-index:200}
.navbar__dropdown:hover .navbar__dropdown-menu,.navbar__dropdown:focus-within .navbar__dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.navbar__dropdown-menu .nav-link{padding:10px 12px;border-radius:8px;display:block;width:100%;border-bottom:none}
.navbar__dropdown-menu .nav-link:hover{background:#f1f5f9;color:#0070e0}
.nav-caret{font-size:9px;margin-left:5px;opacity:.55;display:inline-block;transform:translateY(-1px)}

/* ===== CULTURE SWITCHER ===== */
.culture-switcher{position:relative;display:inline-block;z-index:1000}
.culture-switcher__current{display:flex;align-items:center;gap:6px;background:none;border:none;color:#94a3b8;font-size:13px;font-weight:500;cursor:pointer;padding:6px 8px;border-radius:6px;transition:all .2s;white-space:nowrap}
.culture-switcher__current:hover{color:#fff;background:rgba(255,255,255,.08)}
.culture-switcher__flag{display:inline-flex;align-items:center;line-height:0}
.culture-switcher__flag img{width:20px;height:15px;display:block;border-radius:2px;box-shadow:0 0 0 1px rgba(255,255,255,.18)}
.culture-switcher__name{max-width:90px;overflow:hidden;text-overflow:ellipsis}
.culture-switcher__chevron{width:14px;height:14px;transition:transform .2s;flex-shrink:0}
.culture-switcher.is-open .culture-switcher__chevron{transform:rotate(180deg)}
.culture-switcher__dropdown{position:absolute;top:100%;right:0;margin-top:6px;min-width:170px;background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:10px;box-shadow:0 10px 28px rgba(0,0,0,.15);padding:6px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .2s ease,transform .2s ease,visibility .2s;z-index:200}
.culture-switcher.is-open .culture-switcher__dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.culture-switcher__item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:6px;color:#0f172a;font-size:13px;font-weight:500;transition:background .2s,color .2s;text-decoration:none;white-space:nowrap}
.culture-switcher__item:hover{background:#f1f5f9;color:#0070e0}
.culture-switcher__item.active{background:#eef3f8;color:#0070e0;pointer-events:none;cursor:default}
.culture-switcher__item-flag{display:inline-flex;align-items:center;line-height:0}
.culture-switcher__item-flag img{width:21px;height:16px;display:block;border-radius:2px;box-shadow:0 0 0 1px rgba(0,0,0,.08)}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:8px;font-family:'Inter',sans-serif;font-size:13px;font-weight:600;letter-spacing:.02em;text-transform:uppercase;white-space:nowrap;cursor:pointer;border:1px solid transparent;transition:all .2s ease;text-decoration:none;line-height:1}
.btn-primary{background:linear-gradient(135deg,#0070e0,#005bb8);color:#fff}
.btn-primary:hover{background:linear-gradient(135deg,#0080f5,#006fd0);box-shadow:0 4px 16px rgba(0,112,224,.35);transform:translateY(-1px);color:#fff}
.btn-sm{padding:7px 14px;font-size:12px}

/* ===== PAGE HEADER ===== */
.page-header{position:relative;height:calc(100vw * 520 / 1920);min-height:220px;max-height:520px;display:flex;align-items:flex-start;color:#fff;overflow:hidden;background-color:#0f172a;padding-top:40px}
.page-header::before{content:'';position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
.page-header::after{content:'';position:absolute;inset:0;background:linear-gradient(to left,rgba(0,0,0,.55) 0%,rgba(0,0,0,.22) 42%,transparent 72%);z-index:1}
.page-header--text-left::after{background:linear-gradient(to right,rgba(0,0,0,.6) 0%,rgba(0,0,0,.28) 42%,transparent 72%)}
.page-header--banner1::before{background-image:url('/images/banner1-nt.jpeg')}
.page-header--banner2::before{background-image:url('/images/banner2-nt.jpeg')}
.page-header--banner3::before{background-image:url('/images/banner3-nt.jpeg')}
.page-header .container{position:relative;z-index:2;margin-left:auto;margin-right:0;text-align:right;max-width:560px}
.page-header--text-left .container{margin-left:0;margin-right:auto;text-align:left}
.page-header .section-eyebrow{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:#00c8ae;margin-bottom:10px;text-shadow:0 1px 10px rgba(0,0,0,.6)}
.page-header h1{font-family:'Sora',sans-serif;font-size:36px;font-weight:700;margin-bottom:10px;position:relative;z-index:1;text-shadow:0 2px 24px rgba(0,0,0,.72)}
.page-header p{font-size:15px;color:#fff;max-width:560px;position:relative;z-index:1;text-shadow:0 1px 14px rgba(0,0,0,.55)}

/* ===== BREADCRUMB ===== */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#64748b;padding:18px 0}
.breadcrumb a{color:#475569;transition:color .2s}
.breadcrumb a:hover{color:#0070e0}

/* ===== SECTIONS ===== */
.section{padding:80px 0}
.section--dark{background:#0f172a;color:#fff}
.section--blue{background:#0a1f3d;color:#fff}
.section--gray{background:#f8fafc}
.section--compact{padding:52px 0}
.section--compact .section__title{margin-bottom:34px}
.section--compact-top{padding-top:36px}
.section__title{text-align:center;margin-bottom:52px}
.section__title h2{font-family:'Sora',sans-serif;font-size:32px;font-weight:700;color:#0f172a;margin-bottom:12px;letter-spacing:-.02em}
.section--dark .section__title h2,.section--blue .section__title h2{color:#fff}
.section__title p{font-size:15px;color:#64748b;max-width:580px;margin:0 auto}
.section--dark .section__title p,.section--blue .section__title p{color:rgba(255,255,255,.6)}
.section-eyebrow{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:#00c8ae;margin-bottom:10px}

/* ===== FOOTER ===== */
.footer{background:#0f172a;color:#94a3b8;padding:56px 0 24px}
.footer__top{display:grid;grid-template-columns:1.2fr 2fr;gap:48px;margin-bottom:40px;max-width:1200px;margin-left:auto;margin-right:auto;padding:0 24px}
.footer__logo{margin-bottom:12px}
.footer__logo-text{font-family:'Sora',sans-serif;font-size:20px;font-weight:800;color:#fff}
.footer__logo-text span{color:#fff}
.footer__tagline{font-size:13px;color:#64748b;line-height:1.6;margin-bottom:16px;max-width:260px}
.footer__social{display:flex;gap:8px}
.footer__social-link{width:36px;height:36px;border-radius:8px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:#64748b;transition:all .2s}
.footer__social-link:hover{background:rgba(0,112,224,.15);border-color:rgba(0,112,224,.3);color:#0070e0}
.footer__social-link svg{width:16px;height:16px}
.footer__links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer__col h4{font-size:13px;font-weight:700;color:#fff;margin-bottom:14px;text-transform:uppercase;letter-spacing:.06em}
.footer__col li{margin-bottom:8px}
.footer__col a{font-size:13px;color:#64748b;transition:color .2s}
.footer__col a:hover{color:#0070e0}
.footer__bottom{border-top:1px solid rgba(255,255,255,.06);padding-top:20px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#475569;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.footer__bottom-links{display:flex;gap:16px}
.footer__bottom-links a{color:#475569;transition:color .2s}
.footer__bottom-links a:hover{color:#94a3b8}

/* ===== ANIMATIONS ===== */
.fade-up{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.fade-up.is-visible{opacity:1;transform:none}

/* ===== MOBILE NAV ===== */
@media(max-width:768px){
  .topbar__inner{height:auto;min-height:40px;flex-wrap:wrap;gap:4px 0;padding:5px 0}
  .topbar__contacts{display:flex;gap:5px 10px;flex:1 1 auto}
  .topbar__contact{font-size:11px;gap:5px}
  .topbar__contact svg{width:12px;height:12px}
  .topbar__contact--tel{display:none}
  .topbar__contact--wechat{display:none}
  .topbar__inner .culture-switcher{margin-left:auto}
  .topbar .culture-switcher__current{font-size:12px;padding:4px 7px;gap:5px}
  .topbar .culture-switcher__flag img{width:18px;height:13px}
  .topbar .culture-switcher__chevron{width:12px;height:12px}
  .navbar__nav{display:none}
  .navbar__hamburger{display:flex}
  .navbar__actions .btn{display:none}
  body.nav-open .navbar__nav{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;align-items:stretch;background:#fff;border-top:1px solid rgba(0,0,0,.06);box-shadow:0 12px 28px rgba(0,0,0,.10);padding:6px 24px 16px}
  .navbar__nav .nav-link{padding:14px 0;font-size:15px;border-bottom:1px solid #f1f5f9;width:100%}
  .navbar__nav .nav-link:last-child{border-bottom:none}
  .navbar__nav .nav-link.active::after{display:none}
  .navbar__dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;background:transparent;padding:0 0 0 14px;min-width:auto}
  .navbar__dropdown-menu .nav-link{padding:12px 0;font-size:15px;border-bottom:1px solid #f1f5f9}
  .navbar__dropdown > .nav-link{border-bottom:1px solid #f1f5f9}
  .navbar__hamburger.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .navbar__hamburger.is-active span:nth-child(2){opacity:0}
  .navbar__hamburger.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .footer__top{grid-template-columns:1fr;gap:32px}
  .footer__links{grid-template-columns:repeat(2,1fr)}
  .footer__bottom{flex-direction:column;gap:8px;text-align:center}
  .page-header{position:relative;display:block;height:auto;min-height:0;max-height:none;padding:0;overflow:visible;background-color:transparent;color:#0f172a}
  .page-header::before{position:absolute;top:0;left:0;right:auto;bottom:auto;width:100%;height:auto;aspect-ratio:1920/520;background-size:cover;background-position:center;z-index:0}
  .page-header::after{display:none}
  .page-header--text-left::after{content:'';position:absolute;top:0;left:0;right:auto;bottom:auto;width:100%;height:auto;aspect-ratio:1920/520;background:linear-gradient(to right,rgba(0,0,0,.6) 0%,rgba(0,0,0,.28) 42%,transparent 72%);z-index:1;display:block}
  .page-header .container{position:relative;z-index:2;max-width:none;margin:0;padding:0;text-align:right;background:transparent}
  .page-header--text-left .container{text-align:left}
  .page-header__title{width:100%;aspect-ratio:1920/520;padding:0 20px;display:flex;flex-direction:column;justify-content:center;color:#fff;visibility:hidden}
  .page-header--text-left .page-header__title{visibility:visible}
  .page-header .section-eyebrow{font-size:9px;letter-spacing:.08em;color:#7de3d2;margin-bottom:3px;text-shadow:0 1px 8px rgba(0,0,0,.7)}
  .page-header h1{font-size:10px;line-height:1.4;margin:0;color:#fff;text-shadow:0 1px 8px rgba(0,0,0,.7)}
  .page-header p{display:none}
}

@media(max-width:383px){
  .topbar .culture-switcher__name{display:none}
}

@media(max-width:1024px){
  .footer__top{grid-template-columns:1fr;gap:32px}
}