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rgba(0,0,0,.6);--sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;--container:1200px;--ease:cubic-bezier(.22,1,.36,1)}[data-theme="light"]{--bg-0:#EEF3FA;--bg-1:#FFFFFF;--bg-2:#F5F8FD;--bg-3:#E3ECF7;--line:#D2DEEE;--cyan:#0891B2;--azure:#2563EB;--ice:#0EA5E9;--deep:#0369A1;--text:#0C1B2E;--muted:#47607E;--faint:#7089A6;--grad-sheen:linear-gradient(135deg,#0EA5E9 0%,#0891B2 45%,#2563EB 100%);--glow-cyan:0 0 34px -10px rgba(8,145,178,0.35);--glow-azure:0 0 48px -14px rgba(37,99,235,0.28);--shadow-1:0 2px 8px rgba(30,64,120,.10);--shadow-2:0 16px 44px -16px rgba(30,64,120,.24)}html.theme-anim,html.theme-anim body,html.theme-anim body *{transition:background-color .4s ease,border-color .4s ease,color .3s 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p{color:var(--muted);font-size:1.05rem}.section-head--center{margin-inline:auto;text-align:center}.section-head--center .eyebrow{justify-content:center}.btn{display:inline-flex;align-items:center;gap:var(--sp-2);padding:14px 26px;border:1px solid transparent;border-radius:var(--r-md);font-weight:600;font-size:.95rem;letter-spacing:.01em;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease);will-change:transform}.btn:active{transform:translateY(1px) scale(.99)}.btn-primary{position:relative;color:#041018;background:var(--grad-accent);box-shadow:var(--glow-cyan)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow-cyan),var(--glow-azure)}.btn-ghost{color:var(--text);background:rgba(125,211,252,.04);border-color:var(--line);backdrop-filter:blur(8px)}.btn-ghost:hover{border-color:var(--cyan);background:rgba(34,211,238,.08);transform:translateY(-2px)}.btn-sm{padding:9px 16px;font-size:.85rem;border-radius:var(--r-sm)}.btn-block{width:100%;justify-content:center}.card{position:relative;background:linear-gradient(180deg,rgba(15,27,48,.9),rgba(10,17,32,.9));border:1px solid var(--line);border-radius:var(--r-lg);backdrop-filter:blur(10px);overflow:hidden}.card::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:linear-gradient(140deg,rgba(125,211,252,.5),transparent 40%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .3s var(--ease);pointer-events:none}.card:hover::before{opacity:1}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:var(--sp-2)}.gap-3{gap:var(--sp-3)}.gap-4{gap:var(--sp-4)}.gap-5{gap:var(--sp-5)}.text-center{text-align:center}.mt-4{margin-top:var(--sp-4)}.mt-6{margin-top:var(--sp-6)}.hidden{display:none!important}:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}[data-theme="light"] body::before{background:radial-gradient(60% 50% at 15% 0%,rgba(8,145,178,.10) 0%,transparent 60%),radial-gradient(50% 45% at 100% 10%,rgba(37,99,235,.10) 0%,transparent 55%),radial-gradient(70% 60% at 50% 120%,rgba(14,165,233,.08) 0%,transparent 60%)}[data-theme="light"] body::after{background-image:linear-gradient(rgba(120,150,190,.18) 1px,transparent 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.lang-overlay{background:rgba(6,10,18,.85)}