*{box-sizing:border-box} [hidden]{display:none!important} html{scroll-behavior:smooth} body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#172033;background:radial-gradient(circle at 20% 0,#e9f2ff,transparent 32%),radial-gradient(circle at 90% 18%,#e9fff5,transparent 25%),#f6f9fc}.top{max-width:1120px;margin:0 auto;padding:28px 22px;display:flex;justify-content:space-between;align-items:center}.brand{font-weight:800}.brand span{display:inline-grid;place-items:center;background:#2d6df6;color:#fff;border-radius:9px;width:34px;height:34px;margin-right:8px}.topbtn,.btn{border:0;border-radius:999px;padding:12px 20px;text-decoration:none;font-weight:800;cursor:pointer}.topbtn,.ghost{background:#fff;color:#2164e8;box-shadow:0 10px 30px rgba(24,68,140,.08)}.primary,.submit{background:#2164e8;color:white;box-shadow:0 14px 30px rgba(33,100,232,.25)}.small{font-size:14px;padding:10px 16px}.hero{max-width:900px;margin:30px auto 34px;text-align:center;padding:0 22px}.eyebrow{color:#2164e8;font-weight:900;letter-spacing:.12em;font-size:13px;text-transform:uppercase}.hero h1{font-size:clamp(34px,6vw,64px);line-height:1.06;margin:12px 0;color:#152033}.lead{font-size:18px;line-height:1.8;color:#637086;max-width:760px;margin:0 auto}.actions{display:flex;gap:16px;justify-content:center;margin-top:28px;flex-wrap:wrap}.features{max-width:1120px;margin:0 auto 32px;padding:0 22px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.features>div{background:#fff;border:1px solid #e8eef7;border-radius:18px;padding:24px;box-shadow:0 18px 50px rgba(30,65,120,.08)}.features b{font-size:18px}.features p{color:#69768c;line-height:1.7}.panel{max-width:1120px;margin:34px auto;padding:28px;background:rgba(255,255,255,.82);border:1px solid #e5edf8;border-radius:26px;box-shadow:0 28px 70px rgba(30,65,120,.1)}.toolgrid{display:grid;grid-template-columns:1.6fr .75fr;gap:28px}.formcard h2,.result h2,.examples h2{font-size:34px;line-height:1.15;margin:4px 0 24px}.formcard label{display:block;font-weight:800;margin:14px 0 8px}.formcard b{color:#e23b53}.formcard input,.formcard textarea,.formcard select{width:100%;border:1px solid #dce5f1;border-radius:14px;padding:14px 16px;font-size:16px;background:#fff;color:#1f2937}.formcard textarea{resize:vertical;line-height:1.7}.twocol{display:grid;grid-template-columns:1fr 1fr;gap:14px}.submit{width:100%;border:0;border-radius:16px;padding:17px 20px;font-size:17px;font-weight:900;margin-top:18px;cursor:pointer}.submit:disabled{opacity:.6;cursor:not-allowed}.status{margin-top:14px;border-radius:14px;padding:14px 16px;font-weight:800}.status.loading{background:#fff7ed;color:#9a4b16}.status.success{background:#eafff4;color:#087142}.status.error{background:#fff1f2;color:#be123c}.side{background:#fff;border-radius:22px;border:1px solid #e7edf5;padding:24px;align-self:start}.side h3{font-size:24px;margin:0 0 10px}.side li{margin:11px 0;color:#59677c;line-height:1.45}.tip{background:#f2f7ff;color:#58677d;border-radius:16px;padding:16px;line-height:1.7}.result{text-align:center}.result-actions{display:flex;gap:12px;justify-content:flex-end;margin:12px 0 20px}.resultgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px;text-align:left}.card{position:relative;background:#fff;border:1px solid #e2eaf5;border-radius:16px;padding:20px;min-height:132px}.card.wide{grid-column:1/-1}.card h3{margin:0 0 12px;font-size:18px}.card pre{white-space:pre-wrap;word-break:break-word;font:inherit;line-height:1.75;color:#273246;margin:0}.copy{position:absolute;right:14px;top:12px;border:0;border-radius:999px;background:#eef4ff;color:#2164e8;font-weight:900;padding:7px 12px;cursor:pointer}.examples{max-width:1120px;margin:50px auto;text-align:center;padding:0 22px}footer{text-align:center;color:#657287;line-height:1.8;padding:40px 22px 60px}
.field.full{grid-column:1/-1}.label-title{display:block;font-weight:800;margin:14px 0 8px}.radio-group{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.radio-card{display:flex!important;align-items:flex-start;gap:12px;margin:0!important;padding:15px 16px;border:1px solid #dce5f1;border-radius:16px;background:#fff;cursor:pointer;transition:.18s ease;min-height:124px}.radio-card:hover{border-color:#9fc0ff;box-shadow:0 12px 26px rgba(33,100,232,.08);transform:translateY(-1px)}.radio-card input{width:auto!important;margin:4px 0 0;accent-color:#2164e8;flex:0 0 auto}.radio-card span{display:block}.radio-card b{display:block;color:#1d2a3f;font-size:16px;margin-bottom:5px}.radio-card small{display:block;color:#657287;font-weight:500;line-height:1.55}.radio-card:has(input:checked){border-color:#2164e8;background:#f3f7ff;box-shadow:0 14px 30px rgba(33,100,232,.11)}
@media(max-width:850px){.features,.toolgrid,.resultgrid,.twocol,.radio-group{grid-template-columns:1fr}.top{padding:20px 16px}.panel{margin:22px 14px;padding:20px}.hero h1{font-size:36px}.result-actions{justify-content:center}.features{padding:0 14px}}

.site-footer{max-width:1120px;margin:20px auto 0;padding:34px 22px 56px;text-align:center;color:#657287;line-height:1.8}.footer-logo{display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px}.footer-logo img{max-width:90px;width:100%;height:auto;display:block}.footer-links{display:flex;gap:12px;justify-content:center;align-items:center;flex-wrap:wrap}.footer-links a{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;color:#2164e8;background:#fff;border:1px solid #e6edf7;border-radius:999px;padding:10px 16px;font-weight:800;box-shadow:0 10px 30px rgba(24,68,140,.06)}.footer-links a:hover{transform:translateY(-1px);box-shadow:0 14px 34px rgba(24,68,140,.1)}
.card-note{margin:14px 0 0;padding:10px 12px;border-radius:12px;background:#f5f8ff;color:#58677d;font-size:14px;line-height:1.6}

.card-actions{position:absolute;right:14px;top:12px;display:flex;gap:8px;align-items:center}.card-actions .copy,.card-actions .regen{position:static;border:0;border-radius:999px;background:#eef4ff;color:#2164e8;font-weight:900;padding:7px 12px;cursor:pointer}.card-actions .regen{background:#eafff4;color:#087142}.card h3{padding-right:150px}.source-list{margin:0;padding-left:18px;line-height:1.7}.source-list a{color:#2164e8;font-weight:800;text-decoration:none}.source-list a:hover{text-decoration:underline}
@media(max-width:1050px){.radio-group{grid-template-columns:1fr}}

.reference-field span{font-weight:700;color:#7b8798}.helptext{display:block;margin-top:8px;color:#637086;font-weight:500;line-height:1.55}.reference-field textarea{background:#fbfdff}.radio-card small{font-size:13px}
.research-reference{margin-top:16px!important;padding:16px;border:1px dashed #b8cff8;border-radius:16px;background:#f8fbff}.research-reference textarea{margin-top:8px}