:root{--bg:#f5f7fb;--card:#fff;--border:#e5edf6;--text:#0f172a;--muted:#64748b;--blue:#1457d9;--blue2:#082f63;--green:#12a66a;--shadow:0 14px 36px rgba(15,23,42,.08)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","Microsoft JhengHei",Arial,sans-serif;color:var(--text)}
.public-hero{background:linear-gradient(135deg,#08294f,#1457d9 68%,#12a66a 120%);color:#fff;padding:44px 18px}.hero-inner{max-width:1160px;margin:0 auto;text-align:center}.public-logo{width:160px;height:auto;background:#fff;border-radius:18px;padding:10px;margin-bottom:18px;box-shadow:0 16px 38px rgba(0,0,0,.18)}.logo-text{font-size:44px;font-weight:900}
.public-hero h1{font-size:42px;margin:10px 0 8px}.public-hero p{color:#dbeafe;font-size:18px;margin:0}.hero-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:24px}.hero-actions a,.primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:#fff;color:#1457d9;text-decoration:none;border-radius:999px;padding:13px 18px;font-weight:900;box-shadow:var(--shadow)}.hero-actions .primary,.primary{background:#12a66a;color:#fff}
.public-main{max-width:1160px;margin:0 auto;padding:28px 18px}.tool-section,.enterprise-section{background:var(--card);border:1px solid var(--border);border-radius:24px;padding:24px;box-shadow:var(--shadow);margin-bottom:18px}.tool-section h2,.enterprise-section h2{margin:0 0 8px}.tool-section p,.enterprise-section p{margin:0 0 18px;color:var(--muted)}
.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.tool-card{display:flex;flex-direction:column;gap:8px;text-decoration:none;color:var(--text);background:#f8fafc;border:1px solid #e2e8f0;border-radius:20px;padding:22px;min-height:160px;transition:.16s}.tool-card:hover{transform:translateY(-3px);border-color:#1457d9;box-shadow:0 16px 30px rgba(20,87,217,.13)}.tool-card span{font-size:34px}.tool-card strong{font-size:18px}.tool-card small{color:var(--muted);line-height:1.45}.enterprise-section{display:flex;justify-content:space-between;align-items:center;gap:16px}
.tool-page{max-width:1180px;margin:0 auto;padding:24px 18px}.tool-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px}.tool-top a{color:#1457d9;text-decoration:none;font-weight:900}.panel{background:#fff;border:1px solid var(--border);border-radius:22px;padding:22px;box-shadow:var(--shadow);margin-bottom:18px}.panel h1,.panel h2{margin-top:0}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.info-row{display:flex;justify-content:space-between;border-bottom:1px solid #e2e8f0;padding:10px 0;gap:12px}.info-row:last-child{border-bottom:0}.info-row span{color:var(--muted)}button,input,select,textarea{border:1px solid #cbd5e1;border-radius:14px;padding:12px 14px;font:inherit}button{background:#1457d9;color:#fff;font-weight:900;cursor:pointer}textarea{width:100%;min-height:180px}.result{background:#0f172a;color:#dbeafe;border-radius:16px;padding:14px;white-space:pre-wrap;overflow:auto}.meter{height:18px;background:#e2e8f0;border-radius:999px;overflow:hidden}.meter>div{height:100%;width:0;background:#12a66a}.key-box{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:12px;background:#f1f5f9;border:1px solid #cbd5e1;margin:4px;font-weight:900}.key-box.active{background:#1457d9;color:#fff}.color-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.color-btn{height:100px;border-radius:18px;cursor:pointer}.camera-video{width:100%;max-height:420px;background:#111;border-radius:18px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
@media(max-width:980px){.tool-grid{grid-template-columns:1fr 1fr}.grid2,.grid3{grid-template-columns:1fr}.enterprise-section{flex-direction:column;align-items:flex-start}}@media(max-width:560px){.tool-grid{grid-template-columns:1fr}.public-hero h1{font-size:32px}.public-logo{width:130px}}