.vtk-site-header{color:var(--ink);z-index:50;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);font-family:var(--sans);-webkit-font-smoothing:antialiased;background:#fafaf7e0;position:sticky;top:0}.vtk-site-header .utility{display:none}.vtk-site-header .nav-inner{max-width:var(--max);align-items:center;gap:clamp(18px,3vw,46px);min-height:72px;margin:0 auto;padding:0 clamp(20px,3vw,36px);display:flex}.vtk-site-header .brand{color:var(--ink);letter-spacing:-.02em;flex:none;align-items:center;gap:10px;font-weight:700;text-decoration:none;display:inline-flex}.vtk-site-header .brand-logo-img{object-fit:contain;object-position:left center;width:auto;max-width:min(190px,36vw);height:38px;display:block}.vtk-site-header .brand-text{display:none}.vtk-site-header .nav-links{scrollbar-width:none;-webkit-overflow-scrolling:touch;flex:auto;align-items:center;gap:clamp(16px,2vw,30px);min-width:0;display:flex;overflow-x:auto}.vtk-site-header .nav-links::-webkit-scrollbar{display:none}.vtk-site-header .nav-links a{color:#0a0f1fbd;white-space:nowrap;font-size:14px;font-weight:500;text-decoration:none;transition:color .16s,opacity .16s}.vtk-site-header .nav-links a:hover,.vtk-site-header .nav-links a.active{color:var(--ink)}.vtk-site-header .nav-right{flex:none;align-items:center;gap:10px;margin-left:auto;display:flex}.vtk-site-header .lang-toggle{color:var(--muted);align-items:center;gap:2px;font-size:13px;display:inline-flex}.vtk-site-header .lang-toggle button{color:inherit;cursor:pointer;font:inherit;text-transform:uppercase;background:0 0;border:0;padding:4px}.vtk-site-header .lang-toggle button[aria-pressed=true]{color:var(--ink);font-weight:600}.vtk-site-header .lang-sep{color:var(--line-2)}.vtk-site-header .profile-menu-trigger,.vtk-site-header .nav-login{border:1px solid var(--line-2);min-width:38px;height:38px;color:var(--ink);background:#fff9;border-radius:999px;place-items:center;font-weight:600;transition:background .16s,border-color .16s;display:inline-grid}.vtk-site-header .profile-menu-trigger:hover,.vtk-site-header .nav-login:hover{border-color:var(--ink);background:#fff}.vtk-site-header .profile-menu{z-index:60;border:1px solid var(--line);background:#fff;border-radius:14px;min-width:180px;margin-top:8px;padding:6px;position:absolute;top:100%;right:0;box-shadow:0 18px 42px #0a0f1f1f}.vtk-site-header .profile-menu-item{width:100%;color:var(--ink);text-align:left;border-radius:10px;padding:9px 10px;font-size:14px;text-decoration:none;display:block}.vtk-site-header .profile-menu-item:hover{background:var(--paper-2)}@media (max-width:720px){.vtk-site-header .nav-inner{gap:14px;min-height:64px}.vtk-site-header .nav-links{flex-basis:100%;order:3;padding:0 0 12px}.vtk-site-header .nav-inner{flex-wrap:wrap;padding-top:12px}}
.vtk-site-footer{border-top:1px solid var(--line);background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;margin-top:0}.vtk-site-footer-inner{max-width:var(--max);margin:0 auto;padding:48px clamp(20px,3vw,36px) 32px}.vtk-site-footer-top{grid-template-columns:1.6fr repeat(4,minmax(0,1fr));gap:36px;display:grid}.vtk-site-footer-mega{color:var(--ink);letter-spacing:-.02em;font-size:22px;font-weight:700;line-height:1.12}.vtk-site-footer-mega:before{content:"vtk";background:var(--navy);width:34px;height:34px;color:var(--yellow);vertical-align:middle;border-radius:8px;place-items:center;margin-right:10px;font-size:14px;display:inline-grid}.vtk-site-footer-mega .acc{color:var(--navy);font-family:var(--serif);font-style:italic;font-weight:400}.vtk-site-footer-address{max-width:36ch;color:var(--muted);white-space:pre-line;margin-top:14px;font-size:13px;line-height:1.55}.vtk-site-footer h2{color:var(--muted);letter-spacing:.1em;text-transform:uppercase;margin:0 0 14px;font-size:12px;font-weight:600}.vtk-site-footer ul{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.vtk-site-footer a,.vtk-site-footer span{color:#0a0f1fd1;font-size:14px;text-decoration:none}.vtk-site-footer a:hover{color:var(--ink)}.vtk-site-footer-bottom{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;gap:16px;margin-top:36px;padding-top:18px;font-size:12px;display:flex}.vtk-auth{background:var(--paper);color:var(--ink);font-family:var(--sans);flex:1;justify-content:center;align-items:center;padding:clamp(40px,7vw,84px) clamp(20px,3vw,36px);display:flex}.vtk-auth-panel{border:1px solid var(--line);background:#fff;border-radius:18px;width:100%;max-width:430px;padding:clamp(28px,4vw,40px);box-shadow:0 18px 50px #0a0f1f0f}.vtk-auth-kicker{color:var(--muted);margin-bottom:10px;font-size:13px}.vtk-auth-title{color:var(--ink);letter-spacing:-.03em;margin:0 0 28px;font-size:clamp(30px,4vw,42px);font-weight:600;line-height:1}.vtk-auth-form{flex-direction:column;gap:18px;display:flex}.vtk-auth-form label{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px;font-size:12px;font-weight:600;display:block}.vtk-auth-form input{border:1px solid var(--line-2);background:var(--paper);width:100%;color:var(--ink);font:inherit;border-radius:12px;padding:11px 12px}.vtk-auth-form input:focus{border-color:var(--ink);outline:none;box-shadow:0 0 0 3px #0e1a3614}.vtk-auth-error{color:#b42318;margin:-4px 0 0;font-size:13px}.vtk-auth-submit{border:1px solid var(--ink);background:var(--ink);width:100%;min-height:44px;color:var(--paper);font:inherit;cursor:pointer;border-radius:999px;font-weight:600}.vtk-auth-submit:hover:not(:disabled){background:var(--navy)}.vtk-auth-submit:disabled{opacity:.5;cursor:not-allowed}@media (max-width:900px){.vtk-site-footer-top{grid-template-columns:1fr 1fr}}@media (max-width:620px){.vtk-site-footer-top{grid-template-columns:1fr}}