:root{--bg-primary:#0a0a0c;--bg-secondary:#111115;--bg-card:#16161b;--bg-card-hover:#1c1c22;--border:#2a2a32;--border-light:#35353f;--text-primary:#f0efe9;--text-secondary:#9b9a94;--text-muted:#6b6a65;--accent:#4dc89a;--accent-dim:#3ba37d;--accent-glow:#4dc89a1f;--accent-blue:#5ba0d9;--font-display:"Instrument Serif",Georgia,serif;--font-body:"DM Sans",-apple-system,sans-serif;--max-width:1100px;--radius:10px;--radius-lg:16px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);font-size:15px;line-height:1.65}a{color:var(--accent);text-decoration:none;transition:color .2s}a:hover{color:var(--accent-dim)}img{max-width:100%;display:block}.site-header{z-index:100;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);background:#0a0a0cd9;position:sticky;top:0}.site-header-inner{max-width:var(--max-width);justify-content:space-between;align-items:center;height:60px;margin:0 auto;padding:0 24px;display:flex}.logo{font-family:var(--font-display);color:var(--text-primary);letter-spacing:-.01em;align-items:center;gap:8px;font-size:22px;text-decoration:none;display:flex}.logo-icon{background:var(--accent);width:28px;height:28px;color:var(--bg-primary);font-size:16px;font-weight:700;font-family:var(--font-body);border-radius:7px;justify-content:center;align-items:center;display:flex}nav{align-items:center;gap:28px;display:flex}nav a{color:var(--text-secondary);font-size:14px;font-weight:400;transition:color .2s}nav a:hover{color:var(--text-primary)}.site-footer{border-top:1px solid var(--border);margin-top:80px;padding:40px 24px}.site-footer-inner{max-width:var(--max-width);flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:40px;margin:0 auto;display:flex}.footer-col{flex-direction:column;gap:10px;display:flex}.footer-col h4{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:2px;font-size:12px;font-weight:600}.footer-col a{color:var(--text-secondary);font-size:14px}.footer-col a:hover{color:var(--text-primary)}.footer-bottom{color:var(--text-muted);font-size:13px}.page-container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.hero{text-align:center;padding:80px 0 60px}.hero h1{font-family:var(--font-display);letter-spacing:-.02em;margin-bottom:20px;font-size:clamp(38px,6vw,56px);font-weight:400;line-height:1.15}.hero h1 em{color:var(--accent);font-style:italic}.hero p{color:var(--text-secondary);max-width:560px;margin:0 auto;font-size:17px;line-height:1.7}.section{padding:40px 0}.section-title{font-family:var(--font-display);margin-bottom:24px;font-size:28px;font-weight:400}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;transition:border-color .25s,background .25s}.card:hover{border-color:var(--border-light);background:var(--bg-card-hover)}.card h3{font-family:var(--font-display);margin-bottom:10px;font-size:22px;font-weight:400}.card p{color:var(--text-secondary);font-size:14.5px;line-height:1.7}.btn{font-size:14px;font-weight:500;font-family:var(--font-body);cursor:pointer;border:none;border-radius:8px;align-items:center;gap:8px;padding:11px 22px;text-decoration:none;transition:all .2s;display:inline-flex}.btn-primary{background:var(--accent);color:var(--bg-primary)}.btn-primary:hover{background:var(--accent-dim);color:var(--bg-primary)}.btn-outline{border:1px solid var(--border-light);color:var(--text-primary);background:0 0}.btn-outline:hover{border-color:var(--text-muted);color:var(--text-primary)}.badge{letter-spacing:.03em;border-radius:20px;padding:4px 12px;font-size:12px;font-weight:500;display:inline-block}.badge-green{background:var(--accent-glow);color:var(--accent);border:1px solid #4dc89a33}.feature-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;display:grid}.feature-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:border-color .2s}.feature-item:hover{border-color:var(--border-light)}.feature-icon{background:var(--accent-glow);border-radius:8px;justify-content:center;align-items:center;width:36px;height:36px;margin-bottom:14px;font-size:18px;display:flex}.feature-item h4{margin-bottom:6px;font-size:15px;font-weight:600}.feature-item p{color:var(--text-secondary);font-size:13.5px;line-height:1.6}.legal-page{padding:60px 0}.legal-page h1{font-family:var(--font-display);margin-bottom:8px;font-size:36px}.legal-page .last-updated{color:var(--text-muted);margin-bottom:40px;font-size:13px}.legal-page h2{color:var(--text-primary);margin-top:36px;margin-bottom:12px;font-size:18px;font-weight:600}.legal-page p,.legal-page li{color:var(--text-secondary);margin-bottom:12px;font-size:14.5px;line-height:1.75}.legal-page ul{margin-bottom:16px;padding-left:20px}.legal-page li{margin-bottom:6px}.legal-page .contact-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin-top:36px;padding:20px 24px}.how-to-use-page{max-width:680px;font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);margin:0 auto;padding:32px 24px 60px}.how-to-use-page h1{font-family:var(--font-display);margin-bottom:6px;font-size:28px}.how-to-use-page .subtitle{color:var(--text-muted);margin-bottom:32px;font-size:14px}.step{border-left:2px solid var(--border);margin-bottom:28px;padding-left:20px}.step:hover{border-left-color:var(--accent)}.step h2{align-items:center;gap:8px;margin-bottom:6px;font-size:16px;font-weight:600;display:flex}.step-number{background:var(--accent-glow);width:22px;height:22px;color:var(--accent);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:700;display:inline-flex}.step p{color:var(--text-secondary);font-size:14px;line-height:1.7}.step-image{border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-secondary);margin-top:14px;overflow:hidden}.step-image{border:1px solid var(--border);background:var(--bg-card);border-radius:8px;margin-top:14px;overflow:hidden}.step-image img{width:100%;height:auto;display:block}.step-image-placeholder{height:120px;color:var(--text-muted);justify-content:center;align-items:center;font-size:14px;display:flex}.tip-box{background:var(--accent-glow);border-radius:var(--radius);border:1px solid #4dc89a33;margin-top:24px;padding:16px 20px}.tip-box p{color:var(--accent);margin:0;font-size:13.5px}@media (max-width:768px){.hero{padding:50px 0 40px}.hero p{font-size:15.5px}.site-footer-inner{flex-direction:column;gap:28px}nav{gap:18px}nav a{font-size:13px}.feature-grid{grid-template-columns:1fr}}@media (max-width:480px){nav{gap:14px}.site-header-inner,.page-container{padding:0 16px}}