:root{--bg:#181818;--panel:#1f1f1f;--panel2:#272727;--line:#383838;--text:#f7f5ef;--muted:#aaa9a4;--accent:#ddff74;--danger:#ff9b8e;--r:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Manrope,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.5}button,input,select{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.wrap{width:min(1200px,calc(100% - 64px));margin-inline:auto}[hidden]{display:none!important}
.site-header{height:88px;display:flex;align-items:center;justify-content:space-between;gap:32px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:700;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:34px;height:34px;background:var(--accent);color:#181818;border-radius:10px;font-size:24px;line-height:1}.brand small{font-size:10px;letter-spacing:.2em;color:#777;align-self:end;margin-bottom:4px}.site-header nav{display:flex;align-items:center;gap:32px;color:#b7b5ae;font-size:14px}.site-header nav a:hover,.text-button:hover,footer a:hover{color:var(--accent)}.text-button{border:0;background:none;color:#b7b5ae;font-size:14px}.site-header form{margin:0}
.hero{min-height:690px;display:grid;grid-template-columns:minmax(0,1fr) minmax(400px,490px);gap:80px;align-items:start;padding-top:80px;padding-bottom:96px;position:relative}.hero-copy{min-width:0;position:relative}.eyebrow,.section-kicker{display:flex;align-items:center;gap:12px;color:var(--accent);font-size:12px;letter-spacing:.18em;font-weight:700}.eyebrow-line{width:24px;height:1px;background:#666}.live-dot{width:8px;height:8px;background:var(--accent);border-radius:50%;box-shadow:0 0 0 4px #ddff7420}.hero h1{max-width:680px;margin:40px 0 24px;font-size:60px;line-height:1.08;letter-spacing:-.055em;font-weight:700;text-wrap:balance}.hero h1 span{background:linear-gradient(90deg,#fff,#9b9b9b);background-clip:text;color:transparent}.hero-intro{max-width:540px;color:#b9b7b1;font-size:18px;line-height:1.8;text-wrap:pretty}.hero-facts{display:flex;gap:32px;margin-top:40px}.hero-facts div{display:grid;gap:4px}.hero-facts strong{font-size:16px;font-weight:700}.hero-facts span{font-size:12px;color:#898983}.orbit{position:relative;width:300px;height:230px;margin-top:32px;margin-left:80px;overflow:hidden}.orbit-ring{position:absolute;border:1px solid #555;border-radius:50%;transform:rotate(-22deg)}.ring-one{width:270px;height:145px;left:8px;top:48px}.ring-two{width:175px;height:175px;left:62px;top:29px;border-color:#646d4a}.orbit-core{position:absolute;left:110px;top:76px;width:80px;height:80px;display:grid;place-items:center;background:var(--accent);color:#181818;font-size:48px;border-radius:50%;box-shadow:0 0 50px #ddff741b}.orbit-note{position:absolute;font-size:10px;letter-spacing:.18em;color:#8c9275}.note-a{top:24px;left:12px}.note-b{top:106px;right:0}.note-c{bottom:20px;left:27px}
.studio-card{background:var(--panel);border:1px solid #3d3d3d;border-radius:24px;padding:32px;box-shadow:0 24px 80px #0004}.card-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:32px}.card-kicker,.card-count,.section-line,.task-label{color:#898983;font-size:12px;letter-spacing:.16em;font-weight:700}.card-top h2{font-size:24px;line-height:32px;margin:8px 0 0;letter-spacing:-.03em}.card-count{margin-top:4px}.field-title{display:block;font-size:14px;font-weight:700;margin:0 0 12px}.dropzone{min-height:154px;border:1px dashed #777b6c;border-radius:16px;background:#272a22;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px;margin-bottom:32px;cursor:pointer;transition:border-color .2s,background .2s}.dropzone:hover,.dropzone.dragover{border-color:var(--accent);background:#2e3522}.dropzone input{position:absolute;width:1px;height:1px;opacity:0}.upload-glyph{font-size:30px;line-height:1;color:var(--accent);margin-bottom:12px}.dropzone strong{font-size:14px}.dropzone span:last-of-type{font-size:12px;color:#aaa9a4;margin-top:8px}.field-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.small-note,.pitch-label output{font-size:12px;color:#aaa9a4}.studio-card select,.login-card input{width:100%;height:48px;background:var(--panel2);border:1px solid #494949;color:var(--text);border-radius:10px;padding:0 16px;outline:none}.studio-card select:focus,.login-card input:focus{border-color:var(--accent)}.empty-model{font-size:12px;line-height:1.6;color:#e7c58b;margin:10px 0 0}.pitch-label{margin-top:32px}.pitch-label .field-title{margin:0}.studio-card input[type=range]{width:100%;accent-color:var(--accent);margin:20px 0 8px}.range-ends{display:flex;justify-content:space-between;font-size:12px;color:#777}.primary{border:0;background:var(--accent);color:#171911;border-radius:10px;padding:12px 16px;font-weight:700;font-size:16px;transition:transform .18s,background .18s}.primary:hover{transform:translateY(-2px);background:#ebffae}.primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.submit{display:flex;width:100%;align-items:center;justify-content:space-between;margin-top:32px}.submit span{font-size:20px}.form-note{font-size:12px;color:#777;text-align:center;margin:12px 0 0}.error{color:var(--danger)}
.section-line{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:16px}.task-section{padding-bottom:80px}.task-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:32px;margin-top:24px}.task-head{display:flex;justify-content:space-between;align-items:start;gap:24px}.task-label{margin:0 0 8px}.task-card h2{font-size:20px;line-height:28px;margin:0;word-break:break-word}.task-badge{padding:6px 12px;border-radius:999px;background:#3b422c;color:var(--accent);font-size:12px;white-space:nowrap}.task-card>p{color:#aaa9a4;font-size:14px;margin:24px 0 12px}.progress-track{height:8px;background:#343434;border-radius:999px;overflow:hidden}.progress-track div{height:100%;width:0;background:var(--accent);transition:width .4s}.task-bottom{display:flex;justify-content:space-between;color:#777;font-size:12px;margin-top:12px}.result-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.result-links a{border:1px solid #6d7e45;border-radius:8px;padding:8px 12px;color:var(--accent);font-size:14px}.result-links a:hover{background:#333d25}.task-card audio{width:min(100%,500px);margin-top:24px}
.how{padding-bottom:96px}.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}.how-grid article{min-height:250px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:32px;position:relative}.step{position:absolute;top:32px;right:32px;color:#777;font-size:12px;letter-spacing:.14em}.step-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:12px;background:#303822;color:var(--accent);font-size:26px}.how-grid h3{font-size:20px;line-height:28px;margin:32px 0 12px}.how-grid p{color:#aaa9a4;font-size:14px;line-height:1.8;margin:0;text-wrap:pretty}.about{padding:64px;background:#131209;border-radius:24px;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:end}.about h2{font-size:48px;line-height:1.16;letter-spacing:-.045em;margin:24px 0 0;text-wrap:balance}.about p{color:#bcbcaf;font-size:16px;line-height:1.8;max-width:430px;margin:0 0 4px;text-wrap:pretty}.faq{padding-top:96px;padding-bottom:96px}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}.faq details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px}.faq summary{cursor:pointer;font-weight:700;font-size:16px;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:'+';float:right;color:var(--accent);font-size:20px;line-height:1}.faq details[open] summary:after{content:'−'}.faq p{font-size:14px;line-height:1.8;color:#aaa9a4;margin:16px 0 0}footer{min-height:88px;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);color:#777;font-size:12px}footer span:first-child{color:var(--text);font-size:14px;font-weight:700}footer a{color:#aaa9a4}
.login-body{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(420px,100%);padding:40px;background:var(--panel);border:1px solid var(--line);border-radius:24px}.login-card h1{font-size:30px;margin:24px 0 8px}.login-card p{color:var(--muted)}.login-card label{display:grid;gap:12px;margin:32px 0 24px;font-size:14px;font-weight:700}.login-card button{width:100%}
@media(max-width:1000px){.hero{grid-template-columns:1fr;gap:40px;padding-top:64px}.hero-copy{min-height:350px}.orbit{position:absolute;right:0;bottom:0;margin:0;opacity:.75}.studio-card{width:min(600px,100%)}.hero h1{font-size:48px}.about{gap:32px}}
@media(max-width:700px){.wrap{width:min(100% - 32px,1200px)}.site-header{height:72px}.site-header nav,.brand small{display:none}.hero{padding-top:48px;padding-bottom:64px;min-height:0;gap:24px}.hero-copy{min-height:0}.hero h1{font-size:36px;line-height:40px;margin:32px 0 24px}.hero-intro{font-size:16px;line-height:1.75}.hero-facts{gap:16px;flex-wrap:wrap;margin-top:32px}.hero-facts strong{font-size:14px}.orbit{display:none}.studio-card{padding:24px;border-radius:16px}.card-top{margin-bottom:24px}.dropzone{margin-bottom:24px}.how{padding-bottom:64px}.how-grid,.faq-grid,.about{grid-template-columns:1fr}.how-grid article{min-height:0}.about{padding:40px 24px}.about h2{font-size:36px;line-height:40px}.faq{padding-top:64px;padding-bottom:64px}footer{gap:16px;flex-wrap:wrap;padding-block:24px}footer span:nth-child(2){display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.install-success{background:#303822;color:#ddff74;padding:12px 16px;border-radius:8px;font-size:14px}
.service-banner{max-width:540px;margin-top:24px;padding:16px 20px;border:1px solid #596b36;border-radius:12px;background:#303822;color:#ddff74;font-size:14px;line-height:1.7}