@import "https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap";
:root{--brand:#ff7f09;--brand-2:#ffae4d;--brand-deep:#e56b00;--ink:#0f1116;--ink-2:#3c414c;--body:#565b66;--muted:#8a8e97;--line:#14161c17;--line-2:#14161c0f;--bg:#fbfbfc;--bg-soft:#f6f6f8;--card:#fff;--cool:#2f8fe0;--mono:"Space Grotesk", "SF Mono", ui-monospace, monospace;--cn:"PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;--wrap:1200px;--radius:18px}.hho-root{font-family:var(--cn);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}.hho-root *,.hho-root :before,.hho-root :after{box-sizing:border-box}html:has(.hho-root){scroll-behavior:smooth}.hho-root a{text-decoration:none}.hho-root img{display:block}.hho-root ::selection{background:#ff7f0938}.wrap{max-width:var(--wrap);margin:0 auto;padding:0 40px}.btn-p,.btn-g{cursor:pointer;border-radius:11px;align-items:center;gap:9px;padding:13px 26px;font-size:15px;font-weight:500;transition:transform .2s,box-shadow .2s,border-color .2s,background .2s;display:inline-flex}.btn-p{color:#fff;background:linear-gradient(135deg, var(--brand), var(--brand-deep));border:none;box-shadow:0 10px 26px #ff7f0947}.btn-p:hover{transform:translateY(-2px);box-shadow:0 16px 34px #ff7f0961}.btn-g{color:var(--ink);border:1px solid var(--line);background:#fff}.btn-g:hover{border-color:#14161c59}.btn-t{color:var(--muted);cursor:pointer;background:0 0;border:none;align-items:center;gap:7px;padding:13px 14px;font-size:15px;font-weight:500;transition:color .2s;display:inline-flex}.btn-t:hover{color:var(--brand)}.btn-t .arr{font-family:var(--mono);transition:transform .2s}.btn-t:hover .arr{transform:translate(2px,-2px)}.btn-p .arr{font-family:var(--mono);transition:transform .2s}.btn-p:hover .arr{transform:translate(3px)}.section{position:relative}.sec-head{margin-bottom:52px}.sec-head.center{text-align:center}.kicker{font-family:var(--mono);letter-spacing:.16em;color:var(--brand-deep);text-transform:uppercase;white-space:nowrap;align-items:center;gap:10px;margin-bottom:18px;font-size:12.5px;display:inline-flex}.kicker .sq{background:var(--brand);border-radius:2px;width:9px;height:9px}.sec-title{letter-spacing:-.02em;color:var(--ink);margin:0;font-size:40px;font-weight:700;line-height:1.12}.sec-intro{color:var(--body);max-width:620px;margin:18px 0 0;font-size:16px;line-height:1.8}.center .sec-intro{margin-left:auto;margin-right:auto}.center .kicker{justify-content:center}.nav{z-index:50;border-bottom:1px solid var(--line-2);-webkit-backdrop-filter:saturate(180%)blur(10px);backdrop-filter:saturate(180%)blur(10px);background:#fbfbfceb;height:72px;position:sticky;top:0}.nav .wrap{justify-content:space-between;align-items:center;height:100%;display:flex}.nav-left{align-items:center;gap:34px;display:flex}.nav-logo{height:28px}.nav-links{gap:30px;display:flex}.nav-links a{color:var(--ink-2);padding:4px 0;font-size:15px;transition:color .2s;position:relative}.nav-links a:after{content:"";background:var(--brand);height:2px;transition:right .25s;position:absolute;bottom:-2px;left:0;right:100%}.nav-links a:hover{color:var(--brand-deep)}.nav-links a:hover:after{right:0}.nav-right{align-items:center;gap:16px;display:flex}.nav-chip{font-family:var(--mono);color:var(--muted);border:1px solid var(--line);white-space:nowrap;border-radius:999px;align-items:center;gap:7px;padding:6px 12px;font-size:12px;display:flex}.nav-chip .dot{background:#2bbf6e;border-radius:50%;width:6px;height:6px;box-shadow:0 0 7px #2bbf6e}.nav-cta{color:#fff;background:linear-gradient(135deg, var(--brand), var(--brand-deep));border-radius:9px;padding:9px 18px;font-size:14px;box-shadow:0 6px 16px #ff7f0942}.nav-acct{outline:none;position:relative}.nav-avatar{border:1px solid var(--line);background:var(--bg-soft);width:34px;height:34px;font-family:var(--mono);color:var(--ink-2);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;padding:0;font-size:14px;font-weight:600;transition:border-color .2s,box-shadow .2s;display:inline-flex}.nav-acct:hover .nav-avatar,.nav-acct:focus-within .nav-avatar{border-color:var(--brand);box-shadow:0 0 0 3px #ff7f091f}.nav-avatar.on{background:linear-gradient(135deg, var(--brand), var(--brand-deep));color:#fff;border-color:#0000}.nav-avatar svg{fill:currentColor;width:20px;height:20px}.nav-menu{border:1px solid var(--line);opacity:0;visibility:hidden;transform-origin:100% 0;z-index:60;background:#fff;border-radius:12px;width:210px;padding:8px;transition:opacity .18s,transform .2s,visibility .18s;position:absolute;top:calc(100% + 12px);right:0;transform:translateY(8px);box-shadow:0 22px 54px #141e322e}.nav-menu:before{content:"";height:12px;position:absolute;top:-12px;left:0;right:0}.nav-acct:hover .nav-menu,.nav-acct:focus-within .nav-menu{opacity:1;visibility:visible;transform:none}.nav-menu .mhead{border-bottom:1px solid var(--line-2);margin-bottom:6px;padding:8px 10px 10px}.nav-menu .mname{color:var(--ink);font-size:14px;font-weight:600}.nav-menu .memail{color:var(--muted);word-break:break-all;margin-top:2px;font-size:12px}.nav-menu a,.nav-menu button{text-align:left;width:100%;font-size:14px;font-family:var(--cn);color:var(--ink-2);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:9px 10px;transition:background .15s,color .15s;display:block}.nav-menu a:hover,.nav-menu button:hover{background:var(--bg-soft);color:var(--brand-deep)}.hero{position:relative;overflow:hidden}.hero .aurora{pointer-events:none;filter:blur(80px);z-index:0;position:absolute}.hero .a1{opacity:.5;background:radial-gradient(closest-side,#ff7f096b,#0000 70%);width:680px;height:540px;top:-160px;right:-40px}.hero .a2{opacity:.4;background:radial-gradient(closest-side,#ffae4d80,#0000 70%);width:540px;height:500px;top:40px;left:-180px}.hero .a3{opacity:.26;background:radial-gradient(closest-side,#56a0ff6b,#0000 70%);width:460px;height:380px;top:220px;left:44%}.hero .wrap{z-index:1;grid-template-columns:1fr 600px;align-items:center;gap:56px;padding-top:92px;padding-bottom:96px;display:grid;position:relative}.hero-badge{font-family:var(--mono);letter-spacing:.05em;white-space:nowrap;color:var(--brand-deep);background:#fff;border:1px solid #ff7f094d;border-radius:999px;align-items:center;gap:9px;margin-bottom:28px;padding:6px 14px;font-size:12.5px;display:inline-flex;box-shadow:0 2px 12px #ff7f0914}.hero-badge .pulse{background:var(--brand);border-radius:50%;width:6px;height:6px;animation:2s infinite pulse}@keyframes pulse{0%{box-shadow:0 0 #ff7f0980}70%{box-shadow:0 0 0 7px #ff7f0900}to{box-shadow:0 0 #ff7f0900}}.hero h1{letter-spacing:-.025em;color:var(--ink);margin:0 0 22px;font-size:64px;font-weight:700;line-height:1.06}.hero h1 .grad{background:linear-gradient(100deg, var(--brand-deep), var(--brand));color:#0000;-webkit-background-clip:text;background-clip:text}.hero-sub{color:var(--body);max-width:500px;margin:0 0 34px;font-size:16.5px;line-height:1.85}.hero-btns{align-items:center;gap:14px;display:flex}.hero-stats{border-top:1px solid var(--line);gap:40px;margin-top:48px;padding-top:30px;display:flex}.hero-stat .n{font-family:var(--mono);color:var(--ink);letter-spacing:-.01em;font-size:34px;font-weight:600}.hero-stat .n span{color:var(--brand-deep)}.hero-stat .l{color:var(--muted);margin-top:5px;font-size:13px}.frame{aspect-ratio:16/13;border:6px solid #fff;border-radius:22px;position:relative;overflow:hidden;box-shadow:0 34px 80px #141e3233}.frame>img{object-fit:cover;width:100%;height:100%}.frame:after{content:"";background:linear-gradient(#0000 50%,#070a126b);position:absolute;inset:0}.scan{z-index:3;pointer-events:none;background:linear-gradient(#0000,#ffae4d38,#ff7f090d 70%,#0000);border-bottom:1px solid #ffae4db3;height:120px;animation:4.2s cubic-bezier(.5,0,.5,1) infinite scan;position:absolute;left:0;right:0}@keyframes scan{0%{top:-18%}50%{top:80%}to{top:-18%}}.bbox{z-index:4;border:1.5px solid #ffae4dfa;border-radius:4px;width:42%;height:53%;animation:4.2s ease-in-out infinite boxin;position:absolute;top:21%;left:30%;box-shadow:0 0 0 1px #0000002e,0 0 22px #ff7f0966}@keyframes boxin{0%,12%{opacity:0;transform:scale(1.05)}22%,to{opacity:1;transform:scale(1)}}.bbox b{border:2px solid #ffae4d;width:12px;height:12px;position:absolute}.bbox .tl{border-bottom:0;border-right:0;top:-2px;left:-2px}.bbox .tr{border-bottom:0;border-left:0;top:-2px;right:-2px}.bbox .bl{border-top:0;border-right:0;bottom:-2px;left:-2px}.bbox .br{border-top:0;border-left:0;bottom:-2px;right:-2px}.bbox .tag{font-family:var(--mono);background:var(--brand);color:#1a0e00;white-space:nowrap;border-radius:5px;padding:4px 9px;font-size:11.5px;font-weight:600;position:absolute;top:-28px;left:-1px}.frame .result{z-index:5;background:#fffffff5;border:1px solid #14161c0f;border-radius:13px;width:204px;padding:12px 14px;position:absolute;bottom:14px;left:14px;box-shadow:0 18px 44px #141e3247}.result .rh{justify-content:space-between;align-items:center;margin-bottom:9px;display:flex}.result .rh b{color:var(--ink-2);font-size:12px;font-weight:600}.result .rh .typ{font-family:var(--mono);color:#fff;background:var(--brand);white-space:nowrap;border-radius:999px;padding:2px 9px;font-size:11px}.r-row{margin-bottom:8px}.r-row:last-child{margin-bottom:0}.r-name{justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:5px;display:flex}.r-name .cn{color:var(--ink);white-space:nowrap;text-overflow:ellipsis;min-width:0;font-size:13px;overflow:hidden}.r-name .cn .en{font-family:var(--mono);color:var(--muted);margin-left:4px;font-size:9px}.r-name .pc{font-family:var(--mono);color:var(--brand-deep);flex:none;font-size:12px;font-weight:600}.r-bar{background:#eef0f3;border-radius:999px;height:4px;overflow:hidden}.r-bar i{background:linear-gradient(90deg, var(--brand), var(--brand-2));border-radius:999px;height:100%;animation:1.2s cubic-bezier(.2,.7,.2,1) both grow;display:block}@keyframes grow{0%{width:0!important}}.frame .latency{z-index:5;font-family:var(--mono);color:#fff;white-space:nowrap;background:#070a1280;border:1px solid #ffffff2e;border-radius:999px;align-items:center;gap:7px;padding:5px 11px;font-size:11.5px;display:flex;position:absolute;top:16px;right:16px}.frame .latency .d{background:#ffae4d;border-radius:50%;width:6px;height:6px;box-shadow:0 0 8px #ffae4d}.features{background:var(--card);border-top:1px solid var(--line-2);padding:110px 0}.grid-3{grid-template-columns:repeat(3,1fr);gap:22px;display:grid}.fcard{border-radius:var(--radius);background:var(--card);border:1px solid var(--line);padding:34px 32px 36px;transition:transform .25s,box-shadow .25s;position:relative;overflow:hidden;box-shadow:0 1px 2px #141e320a}.fcard:after{content:"";background:linear-gradient(180deg, var(--brand), var(--brand-2));transform-origin:top;width:3px;transition:transform .3s;position:absolute;top:0;bottom:0;left:0;transform:scaleY(0)}.fcard .idx{font-family:var(--mono);color:#cdd1d8;font-size:13px;position:absolute;top:30px;right:32px}.fic{background:linear-gradient(135deg,#fff5ea,#ffe7cf);border:1px solid #ff7f0933;border-radius:15px;place-items:center;width:56px;height:56px;margin-bottom:24px;display:grid}.fic svg{width:27px;height:27px;stroke:var(--brand-deep);fill:none;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round}.fcard h4{color:var(--ink);margin:0 0 13px;font-size:20px;font-weight:600}.fcard p{color:var(--body);margin:0;font-size:14.5px;line-height:1.8}.experience{background:var(--bg-soft);padding:64px 0}.experience .sec-head{margin-bottom:28px}.demo{grid-template-columns:1.55fr 1fr;align-items:stretch;gap:24px;height:504px;display:grid}.demo-stage{border-radius:var(--radius);border:1px solid var(--line);background:#0c0e14;flex-direction:column;min-height:0;display:flex;position:relative;overflow:hidden;box-shadow:0 20px 50px #141e321f}.demo-view{background:#0c0e14;flex:1;min-height:360px;position:relative;overflow:hidden}.demo-view>img{object-fit:cover;width:100%;height:100%;transition:opacity .35s;position:absolute;inset:0}.demo-view:after{content:"";pointer-events:none;background:linear-gradient(#070a1226,#0000 30% 60%,#070a128c);position:absolute;inset:0}.demo-bbox{z-index:3;border:1px dashed #fff9;border-radius:4px;transition:all .4s cubic-bezier(.3,.8,.3,1);position:absolute;box-shadow:0 0 0 1px #00000014}.demo-bbox .tag{font-family:var(--mono);color:#ffd9a8;white-space:nowrap;background:#070a1280;border-radius:4px;padding:2px 7px;font-size:10px;font-weight:500;position:absolute;top:-22px;left:-1px}.demo-result{z-index:5;background:#fffffff7;border-radius:13px;width:208px;padding:12px 14px;position:absolute;top:16px;right:16px;box-shadow:0 16px 40px #00000052}.demo-result .rh{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.demo-result .rh b{color:var(--ink-2);font-size:12.5px;font-weight:600}.demo-result .typ{font-family:var(--mono);color:#fff;background:var(--brand);white-space:nowrap;border-radius:999px;padding:2px 9px;font-size:11px}.demo-result .r-row{margin-bottom:8px}.demo-result .r-row:last-child{margin-bottom:0}.demo-result .r-name .cn a.r-name-link{color:inherit;cursor:pointer;text-decoration:none;transition:color .15s}.demo-result .r-name .cn a.r-name-link:hover{color:var(--brand-deep)}.demo-result .r-name .cn a.r-name-link:after{content:"›";color:var(--brand);margin-left:3px;font-weight:700}.demo-loading{z-index:8;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);opacity:0;pointer-events:none;background:#070a1273;justify-content:center;align-items:center;transition:opacity .25s;display:flex;position:absolute;inset:0}.demo-loading.on{opacity:1}.spinner{border:3px solid #ffffff40;border-top-color:var(--brand-2);border-radius:50%;width:42px;height:42px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.demo-controls{background:#070a12b8;flex-direction:column;gap:9px;padding:13px 16px;display:flex}.demo-input{align-items:center;gap:10px;display:flex}.demo-input input{color:#fff;height:44px;font-size:14px;font-family:var(--cn);background:#ffffff12;border:1px solid #ffffff29;border-radius:9px;flex:1;padding:0 14px}.demo-input input::placeholder{color:#ffffff73}.demo-input input:focus{border-color:var(--brand);outline:none}.demo-btn{color:#fff;cursor:pointer;white-space:nowrap;height:44px;font-size:14px;font-family:var(--cn);background:#ffffff14;border:1px solid #ffffff2e;border-radius:9px;padding:0 18px;transition:background .2s}.demo-btn:hover{background:#ffffff29}.demo-btn.up{background:linear-gradient(135deg, var(--brand), var(--brand-deep));border:none}.demo-hint{color:#ffffff80;font-size:11.5px;line-height:1.5}.demo-thumbs{background:#0c0e14;gap:0;display:flex}.demo-thumbs button{cursor:pointer;opacity:.5;background:#000;border:none;flex:1;height:60px;padding:0;transition:opacity .2s;position:relative;overflow:hidden}.demo-thumbs button img{object-fit:cover;width:100%;height:100%}.demo-thumbs button:hover{opacity:.85}.demo-thumbs button.active{opacity:1}.demo-resp{border-radius:var(--radius);background:var(--card);border:1px solid var(--line);flex-direction:column;min-height:0;display:flex;overflow:hidden;box-shadow:0 20px 50px #141e3214}.resp-tabs{border-bottom:1px solid var(--line);display:flex}.resp-tabs button{font-family:var(--mono);color:var(--muted);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;flex:1;padding:14px 0;font-size:13px;transition:color .2s,border-color .2s}.resp-tabs button.active{color:var(--ink);border-bottom-color:var(--brand)}.resp-meta{border-bottom:1px solid var(--line-2);flex-wrap:wrap;gap:8px;padding:12px 18px;display:flex}.resp-meta .m{font-family:var(--mono);background:var(--bg-soft);color:var(--ink-2);border-radius:6px;padding:3px 9px;font-size:11px}.resp-meta .m.ok{color:#1f9c57;background:#2bbf6e1f}.resp-meta .m.err{color:#d63a3a;background:#e535351f}.resp-body{font-family:var(--mono);background:#fcfcfd;flex:1;padding:18px;font-size:12.5px;line-height:1.7;overflow:auto}.resp-body .ln{white-space:pre}.resp-pending{color:var(--muted);font-family:var(--mono);align-items:center;gap:10px;padding:6px 2px;font-size:12.5px;display:flex}.resp-pending .spinner.sm{border-width:2px;border-color:#14161c26;border-top-color:var(--brand);width:16px;height:16px}.resp-body .w-rjv{background:0 0!important}.resp-body .w-rjv-line{white-space:pre-wrap;word-break:break-all}.tok-key{color:#b5641f}.tok-str{color:#1f9c57}.tok-num{color:var(--cool)}.tok-punc{color:#9aa0ad}.tok-cmt{color:#b7bcc6}.exp-tabs{justify-content:center;gap:8px;margin-bottom:28px;display:flex}.exp-tab{font-family:var(--cn);color:var(--body);background:var(--card);border:1px solid var(--line);cursor:pointer;border-radius:999px;align-items:center;gap:9px;padding:11px 22px;font-size:15px;font-weight:500;transition:color .2s,border-color .2s,box-shadow .2s,background .2s;display:inline-flex}.exp-tab svg{stroke:currentColor;fill:none;width:18px;height:18px}.exp-tab:hover{color:var(--ink);border-color:#14161c38}.exp-tab.active{color:#fff;background:linear-gradient(135deg, var(--brand), var(--brand-deep));border-color:#0000;box-shadow:0 8px 22px #ff7f094d}.sound{grid-template-columns:1.55fr 1fr;align-items:stretch;gap:24px;min-height:504px;display:grid}.sound-stage{border-radius:var(--radius);border:1px solid var(--line);background:#0c0e14;flex-direction:column;display:flex;overflow:hidden;box-shadow:0 20px 50px #141e321f}.sound-capture{text-align:center;background:radial-gradient(120% 90% at 50% 0,#ff7f0924,#0000 60%),#0c0e14;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:16px;padding:40px 28px;display:flex;position:relative}.rec-idle{flex-direction:column;align-items:center;gap:14px;display:flex}.rec-mic{cursor:pointer;background:linear-gradient(135deg, var(--brand), var(--brand-deep));border:none;border-radius:50%;place-items:center;width:96px;height:96px;transition:transform .2s;display:grid;position:relative;box-shadow:0 14px 36px #ff7f096b}.rec-mic:hover{transform:translateY(-2px)scale(1.03)}.rec-mic svg{stroke:#fff;fill:none;width:38px;height:38px}.rec-mic .ring{border:2px solid #ff7f0980;border-radius:50%;animation:2s ease-out infinite recRing;position:absolute;inset:-6px}@keyframes recRing{0%{opacity:.7;transform:scale(.9)}to{opacity:0;transform:scale(1.35)}}.rec-title{color:#fff;margin-top:4px;font-size:18px;font-weight:600}.rec-sub{color:#ffffff8c;font-size:13px}.rec-upload{font-family:var(--cn);color:#fff;cursor:pointer;background:#ffffff14;border:1px solid #ffffff2e;border-radius:10px;align-items:center;gap:8px;margin-top:8px;padding:10px 18px;font-size:14px;transition:background .2s;display:inline-flex}.rec-upload:hover{background:#ffffff29}.rec-upload svg{stroke:currentColor;fill:none;width:17px;height:17px}.wave{justify-content:center;align-items:center;gap:3px;width:100%;max-width:460px;height:110px;display:flex}.wave span{background:linear-gradient(180deg, var(--brand-2), var(--brand));border-radius:4px;flex:1;min-width:2px;max-width:5px}.wave.live 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.cand-pc{font-size:16px}.cand-wiki{opacity:1;transform:none}.scn-img{flex:0 0 152px;height:152px}.scn-body{padding:20px 22px}.fcard,.pcard{padding:26px 22px}.dongniao h3{font-size:30px}.contact{bottom:16px;right:16px}.contact-pop{width:min(330px,100vw - 32px);max-height:calc(100vh - 96px);padding:16px}.qcard-qr{width:84px;height:84px}.qcard-qr.sm{width:64px;height:64px}}#featured{scroll-margin-top:88px}.feat-grid{grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px;display:grid}.feat-card{background:#fff;border:1px solid #eef1f5;border-radius:16px;margin:0;transition:box-shadow .2s,transform .2s;overflow:hidden}.feat-card:hover{transform:translateY(-2px);box-shadow:0 10px 30px #1428501a}.feat-img{aspect-ratio:16/10;background:#f3f5f8;display:block;overflow:hidden}.feat-img img{object-fit:cover;width:100%;height:100%;display:block}.feat-card figcaption{padding:12px 14px 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