:root{--indigo: #2f3f8f;--indigo-dark: #24316f;--green: #66b036;--green-dark: #559429;--ink: #1f2233;--muted: #6b7089;--line: #e7e8ef;--bg: #ffffff;--bg-soft: #f6f7fb;--radius: 12px;--shadow: 0 6px 24px rgba(31, 34, 51, .08);--maxw: 1080px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}a{color:var(--indigo);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{line-height:1.2;margin:0 0 .5em}.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}.btn{display:inline-block;border:0;border-radius:10px;cursor:pointer;font-size:16px;font-weight:600;padding:12px 22px;text-align:center;transition:transform .05s ease,box-shadow .2s ease,background .2s ease}.btn:hover{text-decoration:none}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--indigo);color:#fff}.btn-primary:hover{background:var(--indigo-dark);color:#fff}.btn-accent{background:var(--green);color:#fff}.btn-accent:hover{background:var(--green-dark);color:#fff}.btn-ghost{background:transparent;color:var(--indigo);border:1px solid var(--line)}.btn-sm{padding:8px 16px;font-size:14px}.btn:disabled{opacity:.6;cursor:not-allowed}.site-header{position:sticky;top:0;z-index:20;background:#ffffffe6;-webkit-backdrop-filter:saturate(180%) blur(8px);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:var(--maxw);margin:0 auto}.brand{font-size:22px;font-weight:800;color:var(--indigo)}.brand span{color:var(--green)}.site-header nav{display:flex;align-items:center;gap:20px}.site-header nav a{color:var(--ink);font-weight:500}.hero{text-align:center;padding:72px 0 40px;background:linear-gradient(180deg,var(--bg-soft),#fff)}.hero h1{font-size:clamp(30px,5vw,52px)}.hero .lead{font-size:20px;color:var(--muted);max-width:680px;margin:0 auto 28px}.hero .cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.pill{display:inline-block;background:#eef0fb;color:var(--indigo);font-weight:600;font-size:13px;padding:6px 14px;border-radius:999px;margin-bottom:18px}.demo{max-width:640px;margin:40px auto 0}.demo-bar{display:flex;align-items:center;gap:8px;background:#fff;border:2px solid var(--indigo);border-radius:14px;padding:8px 12px;box-shadow:var(--shadow)}.demo-bar input{flex:1;border:0;outline:0;font-size:18px;padding:8px;background:transparent}.demo-mic{border:0;background:#eef0fb;color:var(--indigo);border-radius:8px;width:40px;height:40px;cursor:pointer;font-size:18px}.demo-results{text-align:left;background:#fff;border:1px solid var(--line);border-top:0;border-radius:0 0 14px 14px;box-shadow:var(--shadow);overflow:hidden}.demo-results .row{display:flex;align-items:center;gap:12px;padding:10px 14px;border-top:1px solid var(--line)}.demo-results .row .thumb{width:40px;height:40px;border-radius:8px;background:linear-gradient(135deg,#dfe3f7,#e9f3df);flex:none}.demo-results .row .title{font-weight:600}.demo-results .row .price{margin-left:auto;color:var(--green-dark);font-weight:700}.demo-hint{color:var(--muted);font-size:13px;margin-top:10px}.demo-tabs{display:flex;gap:8px;justify-content:center;margin-bottom:14px}.demo-tabs button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px;cursor:pointer;font-size:13px}.demo-tabs button.active{background:var(--indigo);color:#fff;border-color:var(--indigo)}section{padding:56px 0}section h2{font-size:clamp(24px,3.5vw,34px);text-align:center}.section-sub{text-align:center;color:var(--muted);max-width:620px;margin:0 auto 36px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}.card h3{font-size:18px}.card .ico{width:40px;height:40px;border-radius:10px;background:#eef0fb;color:var(--indigo);display:grid;place-items:center;font-size:20px;margin-bottom:12px}.price-wrap{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}.price-card{background:#fff;border:2px solid var(--indigo);border-radius:16px;padding:30px;max-width:340px;text-align:center;box-shadow:var(--shadow)}.price-card .amount{font-size:44px;font-weight:800;color:var(--indigo)}.price-card .per{color:var(--muted)}.price-card ul{text-align:left;padding-left:20px;margin:18px 0 24px}.panel{max-width:520px;margin:48px auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}.field{margin-bottom:16px}.field label{display:block;font-weight:600;margin-bottom:6px}.field input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:16px}.notice{padding:12px 14px;border-radius:10px;margin:12px 0}.notice.err{background:#fdecec;color:#a12626}.notice.ok{background:#edf7e6;color:#3c6b1e}.key{font-family:ui-monospace,Menlo,Consolas,monospace;background:var(--bg-soft);border:1px dashed var(--line);border-radius:8px;padding:10px 12px;word-break:break-all}.badge{font-size:12px;padding:2px 10px;border-radius:999px;font-weight:600}.badge.active{background:#edf7e6;color:#3c6b1e}.badge.expired{background:#fdecec;color:#a12626}.site-footer{border-top:1px solid var(--line);color:var(--muted);text-align:center;padding:28px 0;margin-top:40px}@media (max-width: 640px){.site-header nav{gap:12px}.site-header nav a:not(.btn){display:none}}