body:has(.af){background:linear-gradient(180deg,#e8f0fc 0%,#f3f8fe 55%,#fff 100%) no-repeat #fff !important;background-size:100% 460px !important;}
.af{max-width:1500px;margin:0 auto;padding:64px clamp(16px,3vw,32px) 40px;font-family:'Inter',system-ui,sans-serif;color:#1c2733;}
.af h1,.af h2,.af h3{font-family:'Manrope',sans-serif;}
.af-hd{margin:12px 0 24px;text-align:center;}
.af-hd h1{font-weight:800;font-size:clamp(28px,4vw,42px);letter-spacing:-1px;color:#15233a;margin:0 0 8px;}
.af-hd h1 span{color:#0058be;}
.af-hd p{color:#5b6b7a;font-size:16px;line-height:1.6;margin:0 auto;max-width:720px;}
.af-cols{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;max-width:1500px;margin:0 auto;align-items:start;}
@media(max-width:980px){.af-cols{grid-template-columns:1fr;}}
.af-side{position:sticky;top:80px;}
.af-app{background:#fff;border:1px solid #e8edf3;border-radius:20px;box-shadow:0 24px 60px -30px rgba(10,40,90,.4);padding:30px 26px;position:relative;z-index:2;text-align:center;}
.af-note{margin-bottom:20px;}
.af-notename{font-family:'Manrope',sans-serif;font-weight:800;font-size:84px;line-height:1;color:#15233a;transition:color .1s;}
.af-notename.intune{color:#16a34a;}
.af-freq{font-size:14px;color:#8a97a8;margin-top:8px;min-height:20px;}
.af-meter{max-width:460px;margin:0 auto 24px;}
.af-scale{display:flex;justify-content:space-between;font-size:12px;color:#9aa7b6;font-weight:600;margin-bottom:4px;}
.af-scale .af-center{color:#16a34a;}
.af-bar{position:relative;height:54px;background:#eef2f7;border-radius:12px;overflow:hidden;}
.af-zone{position:absolute;left:calc(50% - 16px);width:32px;top:0;bottom:0;background:rgba(22,163,74,.13);border-left:1px solid rgba(22,163,74,.3);border-right:1px solid rgba(22,163,74,.3);}
.af-needle{position:absolute;top:4px;bottom:4px;width:5px;border-radius:3px;background:#0058be;left:50%;transform:translateX(-50%);transition:left .07s ease-out,background .1s;}
.af-needle.intune{background:#16a34a;}
.af-cents{font-size:15px;font-weight:700;color:#5a6675;margin-top:8px;min-height:20px;}
.af-start{background:#0058be;color:#fff;border:none;border-radius:14px;padding:14px 30px;font-weight:800;font-size:16px;cursor:pointer;box-shadow:0 12px 28px -10px rgba(0,88,190,.6);}
.af-start:hover{background:#0a6fe0;}
.af-start.listening{background:#e11d48;box-shadow:0 12px 28px -10px rgba(225,29,72,.5);}
.af-msg{font-size:13.5px;color:#e11d48;margin-top:12px;min-height:18px;}
.af-inst{margin-top:26px;text-align:center;}
.af-inst>label{display:block;font-size:12.5px;font-weight:700;color:#5a6675;text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px;}
.af-seg{display:inline-flex;flex-wrap:wrap;gap:6px;background:#eef2f7;border-radius:11px;padding:4px;justify-content:center;}
.af-seg button{border:none;background:transparent;padding:9px 15px;border-radius:8px;font-weight:700;font-size:13.5px;color:#5a6675;cursor:pointer;}
.af-seg button.on{background:#fff;color:#0058be;box-shadow:0 1px 4px rgba(0,0,0,.09);}
.af-strings{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;margin-top:16px;min-height:10px;}
.af-str{width:46px;height:46px;border-radius:50%;border:1.5px solid #dbe3ee;background:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;color:#33445a;transition:.12s;}
.af-str.near{border-color:#0058be;background:#eef4fd;color:#0058be;}
.af-str.done{border-color:#16a34a;background:#16a34a;color:#fff;}
.af-str.playing{border-color:#0058be;background:#0058be;color:#fff;box-shadow:0 0 0 4px rgba(0,88,190,.18);}
.af-str{cursor:pointer;}
.af-tune{margin-top:22px;border-top:1px solid #eef2f6;padding-top:18px;}
.af-tunerow{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;}
.af-tf{flex:1 1 200px;min-width:180px;text-align:center;}
.af-tf>label{display:block;font-size:12.5px;font-weight:700;color:#5a6675;text-transform:uppercase;letter-spacing:.5px;margin-bottom:9px;}
.af-aref{display:inline-flex;align-items:center;gap:12px;background:#eef2f7;border-radius:11px;padding:5px 8px;}
.af-aref button{width:34px;height:34px;border:none;border-radius:8px;background:#fff;color:#0058be;font-size:20px;font-weight:800;cursor:pointer;box-shadow:0 1px 4px rgba(0,0,0,.09);line-height:1;}
.af-aref button:hover{background:#0058be;color:#fff;}
.af-aref span{font-size:15px;color:#33445a;min-width:74px;}
.af-aref b{font-size:17px;color:#15233a;font-family:'Manrope',sans-serif;}
.af-tf select,.af-dronerow select{width:100%;max-width:270px;border:1.5px solid #dbe3ee;border-radius:10px;padding:10px 12px;font-size:14px;color:#33445a;background:#fff;font-family:inherit;cursor:pointer;}
.af-drone{margin-top:18px;text-align:center;}
.af-drone>label{display:block;font-size:12.5px;font-weight:700;color:#5a6675;text-transform:uppercase;letter-spacing:.5px;margin-bottom:9px;}
.af-dronerow{display:flex;gap:10px;justify-content:center;align-items:stretch;flex-wrap:wrap;}
.af-dronerow select{max-width:150px;}
.af-dbtn{border:none;border-radius:10px;background:#0058be;color:#fff;font-weight:800;font-size:14px;padding:0 22px;cursor:pointer;white-space:nowrap;box-shadow:0 8px 20px -10px rgba(0,88,190,.6);}
.af-dbtn:hover{background:#0a6fe0;}
.af-dbtn.on{background:#e11d48;box-shadow:0 8px 20px -10px rgba(225,29,72,.5);}
.af-dhint{display:block;margin-top:10px;font-size:12.5px;color:#8a97a8;line-height:1.5;max-width:420px;margin-left:auto;margin-right:auto;}
.af-ad{margin:26px auto;text-align:center;}
.af-guide{margin:26px auto 0;color:#3a4a5a;line-height:1.7;}
.af-guide h2{font-size:22px;color:#15233a;margin:0 0 12px;}
.af-guide h3{font-size:18px;color:#15233a;margin:22px 0 10px;}
.af-guide p{margin:0 0 14px;}
.af-faq details{border:1px solid #e8edf3;border-radius:12px;padding:12px 16px;margin-bottom:10px;background:#fff;}
.af-faq summary{font-weight:700;color:#28313f;cursor:pointer;}
.af-faq p{margin:10px 0 0;color:#55636f;}