:root{--bg:#F6F7F7;--text:#111;--muted:#555;--accent:#0FB5B3;--studer:#383E42;--tele:#6F4A2F;--line:#e5e7ea;}
*{box-sizing:border-box}html,body{height:100%}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Inter,Ubuntu,"Helvetica Neue",Arial,"Noto Sans",sans-serif}
.site-header{position:sticky;top:0;z-index:40;backdrop-filter:saturate(140%) blur(6px);background:color-mix(in oklab,#fff 60%,transparent);border-bottom:1px solid var(--line)}
.site-header .inner{max-width:1080px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:16px;justify-content:space-between}
.brand{font-weight:700;letter-spacing:.4px}
.nav{display:flex;gap:14px;flex-wrap:wrap}.nav-link{color:var(--text);text-decoration:none;opacity:.9;padding:6px 8px;border-radius:8px}
.nav-link:hover,.nav-link:focus{background:#e9ecef;outline:none}
.controls{display:flex;align-items:center;gap:14px}.toggle{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--muted)}
.hero{min-height:40vh;display:flex;align-items:center;position:relative;overflow:hidden;color:#fff}
.hero .hero-inner{max-width:1080px;margin:0 auto;padding:36px 16px;display:grid;grid-template-columns:1fr 1fr;gap:20px;width:100%}
.hero .hero-title{margin:0 0 6px;font-size:40px;letter-spacing:.5px}.hero .hero-sub{margin:0 0 16px;opacity:.9}
.hero .btn{display:inline-block;padding:10px 16px;border-radius:10px;border:1px solid rgba(255,255,255,.35);color:#fff;background:transparent;cursor:pointer}
.hero .btn:hover{background:rgba(255,255,255,.09)}
.hero .hero-art{display:flex;align-items:center;justify-content:flex-end;overflow:hidden}
.logo{height:64px;opacity:.9;filter:drop-shadow(0 6px 16px rgba(0,0,0,.3))}
.logo-studer{animation:drift-left 18s linear infinite alternate}.logo-tele{animation:drift-right 18s linear infinite alternate}
.hero-studer{background:var(--studer)}.hero-tele{background:var(--tele)}
@keyframes drift-left{from{transform:translateX(0)}to{transform:translateX(-8vw)}}
@keyframes drift-right{from{transform:translateX(0)}to{transform:translateX(8vw)}}
.section{padding:48px 16px}.container{max-width:1080px;margin:0 auto}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}.two-col h3{margin:0 0 10px}.two-col p{margin:0 0 12px;color:#222}
.models .tabs{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}.tab{padding:10px 14px;border-radius:10px;border:1px solid #d6d9df;background:#fff;cursor:pointer}
.tab[aria-selected="true"]{background:#0b0e13;color:#fff;border-color:#0b0e13}.panel{display:none}.panel.is-active{display:block}
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{background:#fff;border:1px solid #e2e5ea;border-radius:14px;padding:12px;transition:transform .12s ease,box-shadow .12s ease}
.card:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(0,0,0,.06)}
.card .thumb{height:140px;border-radius:10px;background:linear-gradient(120deg,#eceff4,#dfe4ea);display:flex;align-items:center;justify-content:center;color:#7a8797;font-weight:600}
.card .thumb.cartoon{filter:url(#cartoonize) saturate(110%) contrast(110%)}
.card h4{margin:10px 0 6px;font-size:18px}.card .meta{margin:0;color:#444;font-size:14px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:10px}.fi{display:flex;flex-direction:column;gap:6px}.fi.span2{grid-column:1 / -1}
input,textarea{width:100%;padding:10px 12px;border:1px solid #d6d9df;border-radius:10px;background:#fff;color:#111;font:inherit}
input:focus,textarea:focus{outline:2px solid color-mix(in oklab, var(--accent), white 30%)}
.err{display:block;min-height:18px;color:#c0392b;font-size:13px}.form-actions{margin-top:8px;display:flex;align-items:center;gap:12px}
.btn.submit{background:#0b0e13;color:#fff;border:1px solid #0b0e13;padding:10px 16px;border-radius:10px;cursor:pointer}.btn.submit:hover{filter:brightness(1.06)}
.note{color:#444;font-size:14px}
.site-footer{border-top:1px solid var(--line);padding:20px 0;background:#fafbfc;color:#333}
.site-footer .container{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.site-footer a{color:#4a82ff;text-decoration:none}.site-footer a:hover{text-decoration:underline}
body.reduce-motion .logo-studer,body.reduce-motion .logo-tele{animation:none}
@media (max-width:1024px){.hero .hero-inner{grid-template-columns:1fr;text-align:center}.hero .hero-art{justify-content:center}.logo{height:56px}
.grid-cards{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:1fr}}
@media (max-width:640px){.hero .hero-title{font-size:34px}.logo{height:48px}.grid-cards{grid-template-columns:1fr}}