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18px;font-family:var(--font-sans);font-weight:700;font-size:15px;color:var(--hf-gray-500);cursor:pointer;transition:color .15s,border-color .15s}.tab-btn:hover{color:var(--hf-black)}.tab-btn.active{color:var(--hf-black);border-bottom-color:var(--hf-yellow)}.tab-panel{display:none}.tab-panel.active{display:block;animation:fade .25s var(--ease)}@keyframes fade{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.spec-table{width:100%;border-collapse:collapse;font-family:var(--font-mono);font-size:14px;background:var(--hf-gray-100);border-radius:8px;overflow:hidden}.spec-table tr{border-bottom:1px solid var(--hf-gray-200)}.spec-table tr:last-child{border-bottom:0}.spec-table th{text-align:left;padding:14px 18px;color:var(--hf-gray-500);font-weight:500;width:42%;vertical-align:top;background:#00000005}.spec-table td{padding:14px 18px;color:var(--hf-black);font-weight:500}.content-prose{max-width:760px}.content-prose h2{font-size:28px;margin-top:36px}.content-prose h3{font-size:21px;margin-top:28px}.content-prose ul{padding-left:22px}.content-prose li{margin-bottom:8px}.app-list{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}.app-list li{display:flex;gap:10px;align-items:flex-start;padding:14px 16px;background:var(--hf-gray-100);border-radius:8px;border-left:3px solid var(--hf-yellow);font-size:15px}@media (max-width:980px){.prod-hero{grid-template-columns:1fr;gap:28px}.prod-layout{grid-template-columns:1fr}.prod-aside{position:static}.app-list{grid-template-columns:1fr}}.form-page{background:var(--hf-gray-100);padding-block:56px 80px;min-height:70vh}.form-card{max-width:720px;margin:0 auto;background:#fff;border-radius:14px;box-shadow:var(--shadow-md);padding:40px;border-top:4px solid var(--hf-yellow)}.form-card h1{font-size:34px}.form-card .lead{color:var(--hf-gray-500);font-size:17px;margin-bottom:28px}.field{margin-bottom:18px}.field label{display:block;font-weight:600;font-size:14px;color:var(--hf-gray-700);margin-bottom:7px}.field label .req{color:#dc2626}.input,.textarea,.select{width:100%;font-family:var(--font-sans);font-size:16px;color:var(--hf-black);padding:13px 15px;border:1.5px solid var(--hf-gray-200);border-radius:var(--radius);background:#fff;transition:border-color .15s,box-shadow .15s}.input:focus,.textarea:focus,.select:focus{outline:0;border-color:var(--hf-yellow);box-shadow:0 0 0 3px #ffc72c40}.textarea{min-height:130px;resize:vertical}.input.invalid,.textarea.invalid{border-color:#dc2626;box-shadow:0 0 0 3px #dc26261f}.field-error{color:#dc2626;font-size:13px;margin-top:6px;display:none}.field.has-error .field-error{display:block}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width:560px){.field-row{grid-template-columns:1fr}.form-card{padding:26px 20px}}.file-drop{border:1.5px dashed var(--hf-gray-300);border-radius:var(--radius);padding:22px;text-align:center;color:var(--hf-gray-500);font-size:14px;cursor:pointer;transition:border-color .15s,background .15s}.file-drop:hover{border-color:var(--hf-yellow);background:var(--hf-gray-100)}.checkbox-row{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--hf-gray-700)}.checkbox-row input{margin-top:3px;width:18px;height:18px;accent-color:var(--hf-yellow-dark);flex:none}.form-success{display:none;text-align:center;padding:30px 10px}.form-success.show{display:block}.form-success .ok{width:64px;height:64px;border-radius:50%;background:#10b9811f;color:var(--hf-green);display:grid;place-items:center;margin:0 auto 18px}.prefill-chip{display:flex;align-items:center;gap:12px;background:var(--hf-gray-100);border:1px solid var(--hf-gray-200);border-left:3px solid var(--hf-yellow);border-radius:8px;padding:12px 16px;margin-bottom:22px;font-size:14px}.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%) translateY(20px);background:var(--hf-black);color:#fff;padding:14px 22px;border-radius:10px;box-shadow:var(--shadow-lg);font-size:14px;z-index:10000;opacity:0;visibility:hidden;transition:all .25s var(--ease);max-width:90vw;border-left:3px solid var(--hf-yellow)}.toast.show{opacity:1;visibility:visible;transform:translate(-50%) translateY(0)}.page-hero{background:var(--hf-black);color:#fff;padding-block:56px}.page-hero h1{color:#fff;font-size:48px}.page-hero p{color:#ffffffc7;font-size:18px;max-width:680px;margin:0}.bg-light{background:var(--hf-gray-100)}.sister-brand{display:flex;align-items:center;gap:20px;flex-wrap:wrap;width:-moz-fit-content;width:fit-content;max-width:100%;margin:8px 0 28px;padding:16px 22px;background:var(--hf-black);color:#fff;border-radius:12px;border-left:4px solid var(--hf-yellow);text-decoration:none;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}.sister-brand:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.sister-label{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--hf-yellow)}.sister-logo{font-weight:900;font-size:26px;letter-spacing:-.03em;line-height:1}.sister-mark{color:#fff}.sister-tld{color:var(--hf-yellow)}.sister-go{font-size:14px;font-weight:700;color:#ffffffd9;display:inline-flex;align-items:center;gap:6px;margin-left:auto}.sister-brand:hover .sister-go .arrow{transform:translate(4px)}.sister-go .arrow{transition:transform .2s var(--ease)}@media (max-width:540px){.sister-brand{gap:10px;padding:14px 16px}.sister-go{margin-left:0;width:100%}}@media (max-width:768px){body{font-size:16px}.hero{min-height:560px}.hero h1{font-size:38px}.hero-sub{font-size:16px}.hero-inner{padding:90px 20px}.hero-stat{padding:0 20px}.hero-stat .num{font-size:26px}.section{padding-block:56px}.section-tight{padding-block:40px}.section-head{margin-bottom:32px}.section-head h2{font-size:28px}.cta-band h2{font-size:24px}.page-hero h1{font-size:30px}.prod-info h1{font-size:28px}.container{padding-inline:18px}.btn{padding:12px 20px;font-size:15px}.hero-cta .btn{width:100%}.logo-img{height:30px}.grid-3,.grid-4{gap:12px}.card-media{aspect-ratio:16/10}.card-body{padding:13px 13px 15px;gap:7px}.card-body h3{font-size:15px}.card-body p{font-size:12.5px;line-height:1.45}.card-link{font-size:13px}.cat-card{min-height:150px}.cat-body{padding:14px}.cat-body h3{font-size:16px}.diff-grid{gap:16px}.diff h3{font-size:16px}.diff p{font-size:13px}.app-body h3{font-size:15px}}