:root {
  --bg: #1a2236;
  --surface: #212d44;
  --surface-alt: #2a3a54;
  --text: #edf3ff;
  --muted: #9eb0c9;
  --line: #334663;
  --accent: #f3bb3b;
  --accent-strong: #d68b1f;
  --accent-dark: #ffd37a;
  --btn-bg: #1475e1;
  --btn-hover: #0d60c4;
  --green: #34d399;
  --red: #f87171;
  --shadow: 0 12px 40px rgba(2,7,18,0.25);
  --radius: 16px;
  --radius-sm: 10px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;overflow-x:hidden}
body{overflow-x:hidden;font-family:Arial,'Segoe UI',sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(26,34,54,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.site-header-inner{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:16px}
.logo{display:inline-flex;align-items:baseline;gap:6px;font-weight:700}
.logo-mark{font-size:1.3rem;background:linear-gradient(135deg,var(--accent),var(--accent-strong));-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:.06em}
.logo-text{font-size:1rem;color:var(--text)}
.top-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav-item{position:relative}
.nav-link{padding:8px 12px;border-radius:999px;color:var(--muted);font-weight:700;font-size:.88rem;transition:.2s;white-space:nowrap}
.nav-link:hover,.nav-link.is-current{background:rgba(243,187,59,.15);color:var(--text)}
.nav-dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:200px;display:grid;gap:4px;padding:10px;background:rgba(26,34,54,.98);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(6px);transition:.2s;z-index:20}
.nav-item:hover .nav-dropdown,.nav-item:focus-within .nav-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.nav-dropdown a{display:block;padding:8px 10px;border-radius:8px;color:var(--muted);font-size:.88rem}
.nav-dropdown a:hover{background:rgba(20,117,225,.15);color:var(--text)}
.nav-toggle{display:none;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:999px;padding:8px 14px;font-weight:700;font-size:.88rem}
.page-shell{width:min(1360px,calc(100% - 32px));margin:0 auto;display:grid;grid-template-columns:260px minmax(0,1fr);gap:20px;padding:20px 0 32px}
.sidebar{position:sticky;top:84px;align-self:start;display:grid;gap:14px;order:-1}
.sidebar-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
.sidebar-card h2{font-size:.9rem;margin-bottom:8px}
.sidebar-title{font-size:.7rem;text-transform:uppercase;letter-spacing:.12em;color:var(--accent-dark);font-weight:700;margin-bottom:6px;margin-top:10px}
.sidebar-menu{display:grid;gap:4px}
.sidebar-group .sidebar-menu{grid-template-columns:repeat(2,1fr)}
.sidebar-link{display:block;padding:6px 8px;border-radius:6px;color:var(--muted);font-weight:700;font-size:.72rem;line-height:1.2;transition:.15s;border:1px solid transparent}
.sidebar-link:hover{background:rgba(243,187,59,.12);color:var(--text)}
.sidebar-link.is-current{background:linear-gradient(135deg,rgba(243,187,59,.2),rgba(214,139,31,.15));color:var(--text);pointer-events:none;cursor:default}
.sidebar-home{margin-bottom:6px}
.sidebar-home .sidebar-link{font-size:.82rem}
.panel{max-width:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px 24px}
.panel+.panel{margin-top:18px}
.hero-panel{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(260px,.9fr);gap:20px;align-items:center}
.hero-panel h1{font-size:clamp(1.5rem,2.8vw,2.2rem);line-height:1.1;margin-bottom:10px}
.hero-text{color:var(--muted);line-height:1.7;margin-bottom:0}
.eyebrow{color:var(--accent-dark);text-transform:uppercase;letter-spacing:.1em;font-size:.78rem;font-weight:700;margin-bottom:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:8px;font-weight:700;font-size:.92rem;transition:.2s;text-align:center;border:1px solid transparent}
.btn-primary{background:var(--btn-bg);color:#fff}
.btn-primary:hover{background:var(--btn-hover)}
.btn-accent{background:linear-gradient(135deg,var(--accent),var(--accent-strong));color:#0e1624}
.btn-accent:hover{filter:brightness(1.1)}
.btn-secondary{background:rgba(255,255,255,.03);border-color:var(--line);color:var(--text)}
.btn-secondary:hover{border-color:var(--btn-bg);background:rgba(20,117,225,.12);color:#fff}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.content-cta{margin:18px 0;text-align:center}
.content-cta .btn{min-width:280px}
.promo-box{background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px;text-align:center}
.promo-box .promo-label{font-size:.78rem;color:var(--accent-dark);text-transform:uppercase;letter-spacing:.1em;font-weight:700;margin-bottom:4px}
.promo-box .promo-desc{font-size:.82rem;color:var(--muted);margin-bottom:10px;line-height:1.5}
.promo-code{display:flex;align-items:center;justify-content:center;gap:10px;background:rgba(0,0,0,.15);border:1px dashed var(--accent);border-radius:8px;padding:10px 16px;font-size:1.2rem;font-weight:700;letter-spacing:.08em;color:var(--accent);cursor:pointer;transition:.2s}
.promo-code:hover{background:rgba(243,187,59,.08)}
.promo-code .copy-icon{font-size:.8rem;color:var(--muted)}
.promo-copied{font-size:.78rem;color:var(--green);margin-top:6px;min-height:1.2em}
.section-head{margin-bottom:14px}
.section-head h2{font-size:clamp(1.2rem,2vw,1.6rem);margin-bottom:6px}
.section-head p{color:var(--muted);line-height:1.7;max-width:800px;margin-bottom:0}
.card-grid{display:grid;gap:14px}
.card-grid-4{grid-template-columns:repeat(4,1fr)}
.card-grid-3{grid-template-columns:repeat(3,1fr)}
.card-grid-2{grid-template-columns:repeat(2,1fr)}
.mini-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px;display:flex;flex-direction:column;gap:8px;transition:.2s}
.mini-card:hover{border-color:rgba(243,187,59,.3)}
.mini-card-icon{font-size:1.5rem}
.mini-card h3{font-size:.95rem;margin-bottom:0}
.mini-card p{font-size:.82rem;color:var(--muted);line-height:1.6;flex:1}
.mini-card .btn{margin-top:auto;font-size:.82rem;width:100%}
.mini-card .promo-mini{font-size:.72rem;color:var(--accent-dark);margin-top:4px}
.article-section{padding:22px 24px}
.article-section h2{font-size:1.15rem;margin-bottom:10px}
.article-section h3{font-size:1rem;margin-bottom:8px}
.article-section p{color:var(--muted);line-height:1.75;margin-bottom:12px}
.article-section p:last-child{margin-bottom:0}
.article-section a,.hero-text a,.panel p a{color:var(--accent-dark);border-bottom:1px solid rgba(255,211,122,.3);transition:.2s}
.article-section a:hover,.hero-text a:hover,.panel p a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.article-list{margin:12px 0;padding:0;display:grid;gap:8px}
.article-list li{color:var(--muted);line-height:1.7;padding-left:16px;position:relative;font-size:.92rem}
.article-list li::before{content:'';position:absolute;left:0;top:.65em;width:6px;height:6px;border-radius:50%;background:var(--btn-bg)}
.contact-form{display:grid;gap:12px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-field{display:grid;gap:6px}
.form-field span{color:var(--text);font-weight:700;font-size:.88rem}
.form-field input,.form-field textarea{width:100%;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--text);border-radius:8px;padding:10px 12px;font:inherit;font-size:.92rem}
.form-field textarea{resize:vertical;min-height:100px}
.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--btn-bg)}
.form-msg{min-height:1.2em;font-weight:700;font-size:.88rem}
.form-msg.is-error{color:#ff9f9f}
.form-msg.is-success{color:#9fe3b3}
.breadcrumbs{margin-bottom:14px}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:6px;color:var(--muted);font-size:.88rem}
.breadcrumbs li{display:inline-flex;align-items:center;gap:6px}
.breadcrumbs li:not(:last-child)::after{content:'/';color:#4a5d78}
.spec-table{width:100%;border-collapse:collapse}
.spec-table th,.spec-table td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:.88rem}
.spec-table th{width:40%;color:var(--muted);font-weight:700}
.site-footer{margin-top:8px;background:#131a2a;border-top:1px solid var(--line);padding:24px 0 0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:20px;padding-bottom:18px}
.footer-col-title{font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent-dark);font-weight:700;margin-bottom:8px}
.footer-links{display:grid;gap:4px}
.footer-links a{font-size:.82rem;color:var(--muted);padding:3px 0;transition:.15s}
.footer-links a:hover{color:var(--accent)}
.footer-brand p{color:var(--muted);font-size:.82rem;line-height:1.6;margin-top:10px}
.badge-18{display:inline-flex;min-width:36px;min-height:36px;align-items:center;justify-content:center;border-radius:999px;background:linear-gradient(135deg,var(--accent),var(--accent-strong));color:var(--bg);font-weight:700;font-size:.82rem;margin-right:8px}
.footer-currencies{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.footer-currencies span{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:6px;font-size:.75rem;color:var(--muted);font-weight:700}
.footer-bottom{border-top:1px solid var(--line);padding:14px 0 20px;display:flex;align-items:center;justify-content:space-between;font-size:.78rem;color:var(--muted);flex-wrap:wrap;gap:10px}
.footer-legal{display:flex;flex-wrap:wrap;gap:12px}
.footer-legal a{font-size:.78rem;color:var(--muted);transition:.15s}
.footer-legal a:hover{color:var(--accent)}
.footer-warning{padding:14px 18px;background:rgba(248,113,113,.05);border:1px solid rgba(248,113,113,.12);border-radius:var(--radius-sm);margin:14px 0}
.footer-warning-title{font-weight:700;font-size:.82rem;color:var(--red);margin-bottom:6px}
.footer-warning-text{font-size:.78rem;color:var(--muted);line-height:1.7}
@media(max-width:1100px){.page-shell{grid-template-columns:1fr}.sidebar{position:static;order:0}.sidebar-group .sidebar-menu{grid-template-columns:repeat(3,1fr)}.card-grid-4,.card-grid-3{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:860px){.top-nav{display:none;width:100%;padding-top:8px;flex-direction:column;align-items:stretch}.top-nav.is-open{display:flex}.nav-toggle{display:inline-flex}.nav-dropdown{position:static;min-width:0;display:none;opacity:1;visibility:visible;transform:none;margin-top:4px}.nav-item:hover .nav-dropdown,.nav-item:focus-within .nav-dropdown{display:grid}.site-header-inner{flex-wrap:wrap;padding:10px 0}.hero-panel{grid-template-columns:1fr}.card-grid-4,.card-grid-3,.card-grid-2{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.sidebar-group .sidebar-menu{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.page-shell{width:calc(100% - 16px)}.panel,.article-section{padding:16px}.btn{width:100%}.hero-actions{flex-direction:column}.sidebar-group .sidebar-menu{grid-template-columns:1fr}}
.spec-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.article-section p,.article-section li{word-break:break-word;overflow-wrap:break-word}
.mini-card-thumb{width:100%;height:auto;border-radius:6px;margin-bottom:4px}
.mini-card-promo{display:flex;align-items:center;justify-content:center;gap:6px;background:rgba(0,0,0,.2);border:1px dashed var(--accent);border-radius:6px;padding:6px 10px;font-size:.85rem;font-weight:700;letter-spacing:.06em;color:var(--accent);cursor:pointer;transition:.2s}
.mini-card-promo:hover{background:rgba(243,187,59,.1)}
.mini-card-promo .copy-icon{font-size:.7rem;color:var(--muted)}
.mini-card-actions{display:flex;gap:8px;margin-top:auto}
.mini-card-actions .btn{flex:1;font-size:.78rem;text-align:center}
.banner-img{width:100%;height:auto;border-radius:var(--radius-sm);margin-bottom:16px}

body{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}
.promo-code,.mini-card-promo{-webkit-user-select:text;-moz-user-select:text;user-select:text}