/* WEBSITE-ROBOT-AI-V1 — Robot AI VNPT module styles (namespace .rb-*, indigo palette).
 * ServicePageV2 polish: typography hierarchy, section rhythm, model cards, comparison table
 * (horizontal-scroll on mobile), scenario cards, survey + modal. Mobile-first; NO page horizontal
 * scroll (table scrolls inside its own wrapper). Self-contained tokens with fallbacks; VNPT-aligned
 * indigo accent for the AI family. Contains NO price styling (SURVEY_REQUIRED). */
.rb{--rb-ac:#4f46e5;--rb-ac-d:#4338ca;--rb-ink:#312e81;--rb-muted:#475569;--rb-line:#e0e7ff;--rb-bg:#eef2ff;--rb-card:#fff;--rb-ok:#137a3f;--rb-radius:14px;color:#1f2937;padding-bottom:88px;font-size:16px}
.rb *{box-sizing:border-box}
.rb-region{max-width:1120px;margin:0 auto;padding:28px 18px}
.rb-r-head{display:flex;align-items:flex-start;gap:12px;margin:0 0 8px}
.rb-r-num{flex:0 0 auto;width:30px;height:30px;border-radius:50%;background:var(--rb-ac);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:15px;margin-top:2px}
.rb-r-head h2{font-size:clamp(21px,5vw,27px);line-height:1.28;margin:0;font-weight:800;letter-spacing:-.01em;color:var(--rb-ink)}
.rb-r-sub{color:var(--rb-muted);font-size:15.5px;line-height:1.62;margin:4px 0 16px;max-width:860px}
.rb-r-sub b{color:var(--rb-ink)}
.rb-note-muted{color:var(--rb-muted);font-size:13.5px;line-height:1.55;margin:12px 0 0}
.rb-def{font-size:16.5px;line-height:1.62;color:var(--rb-ink);background:linear-gradient(180deg,#fff,var(--rb-bg));border:1.5px solid var(--rb-ac);border-radius:14px;padding:16px 18px;margin:6px 0 18px;max-width:900px}

/* eyebrow chip */
.rb-eyebrow{display:inline-block;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--rb-ac);background:var(--rb-bg);border:1px solid var(--rb-line);border-radius:999px;padding:5px 12px;margin:0 0 10px}

/* callout */
.rb-callout{margin:14px 0 0;background:linear-gradient(180deg,#fff,var(--rb-bg));border:1.5px solid var(--rb-ac);border-left-width:4px;border-radius:12px;padding:14px 16px;font-size:14.5px;line-height:1.6;color:var(--rb-ink)}
.rb-callout b{color:var(--rb-ac-d)}

/* buttons */
.rb-cta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.rb-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 18px;border-radius:10px;font-weight:700;font-size:15px;cursor:pointer;text-decoration:none;border:1.5px solid transparent;transition:.15s;min-height:48px}
.rb-btn[hidden]{display:none}
.rb-btn-sm{min-height:44px;padding:10px 16px;font-size:14px}
.rb-btn-primary{background:var(--rb-ac);color:#fff}
.rb-btn-primary:hover{background:var(--rb-ac-d)}
.rb-btn-ghost{background:#fff;color:var(--rb-ac-d);border-color:var(--rb-ac)}
.rb-btn-ghost:hover{background:var(--rb-bg)}
/* servicehub.css `.sh-app a{color:var(--sh-blue)}` recolors anchor CTAs inside .sh-app → reassert, scoped to .rb */
.rb a.rb-btn-primary,.rb a.rb-btn-primary:visited{color:#fff}
.rb a.rb-btn-ghost,.rb a.rb-btn-ghost:visited{color:var(--rb-ac-d)}

/* pains */
.rb-pain-grid{display:grid;grid-template-columns:1fr;gap:12px}
.rb-pain-card{background:var(--rb-card);border:1.5px solid var(--rb-line);border-radius:var(--rb-radius);padding:16px}
.rb-pain-ic{font-size:24px;line-height:1;margin-bottom:6px}
.rb-pain-t{font-weight:700;font-size:15px;color:var(--rb-ink);margin-bottom:4px}
.rb-pain-d{font-size:14px;line-height:1.55;color:var(--rb-muted)}

/* fact block */
.rb-fact{margin:0;border:1.5px solid var(--rb-line);border-radius:14px;overflow:hidden;background:var(--rb-card)}
.rb-fact-row{display:flex;gap:12px;padding:12px 16px;border-bottom:1px solid var(--rb-line);font-size:14px}
.rb-fact-row:last-child{border-bottom:none}
.rb-fact-row dt{flex:0 0 42%;margin:0;font-weight:700;color:var(--rb-ac-d)}
.rb-fact-row dd{flex:1;margin:0;color:var(--rb-ink);line-height:1.5}

/* figures / diagrams */
.rb-fig{margin:14px 0 0;background:var(--rb-card);border:1.5px solid var(--rb-line);border-radius:16px;padding:16px}
.rb-fig-title{font-size:15px;font-weight:800;color:var(--rb-ac-d);text-align:center;margin-bottom:8px}
.rb-diagram{width:100%;height:auto;display:block;max-width:420px;margin:0 auto}
.rb-figcap{font-size:13.5px;line-height:1.55;color:var(--rb-muted);margin-top:10px;text-align:center}

/* composition cards */
.rb-comp-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:14px}
.rb-comp-card{background:linear-gradient(180deg,#fff,var(--rb-bg));border:1.5px solid var(--rb-line);border-radius:16px;padding:18px}
.rb-comp-ic{font-size:26px;line-height:1;display:block;margin-bottom:6px}
.rb-comp-t{font-weight:800;font-size:15.5px;color:var(--rb-ac-d);margin-bottom:6px}
.rb-comp-d{font-size:14px;line-height:1.55;color:var(--rb-muted)}

/* feature groups */
.rb-feat-grid{display:grid;grid-template-columns:1fr;gap:14px}
.rb-feat-card{background:var(--rb-card);border:1.5px solid var(--rb-line);border-radius:14px;padding:16px}
.rb-feat-ic{font-size:24px;line-height:1;display:block;margin-bottom:6px}
.rb-feat-t{font-weight:800;font-size:15.5px;color:var(--rb-ac-d);margin-bottom:4px}
.rb-feat-list{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:6px}
.rb-feat-list li{position:relative;padding-left:18px;font-size:13.5px;line-height:1.5;color:var(--rb-muted)}
.rb-feat-list li:before{content:"";position:absolute;left:2px;top:8px;width:7px;height:7px;border-radius:50%;background:var(--rb-ac)}

/* AI capability cards */
.rb-ai-grid{display:grid;grid-template-columns:1fr;gap:12px}
.rb-ai-card{background:var(--rb-card);border:1.5px solid var(--rb-line);border-radius:14px;padding:16px}
.rb-ai-ic{font-size:24px;line-height:1;display:block;margin-bottom:6px}
.rb-ai-t{font-weight:800;font-size:15px;color:var(--rb-ac-d);margin-bottom:4px}
.rb-ai-d{font-size:14px;line-height:1.55;color:var(--rb-muted)}

/* robot model cards (NO price) */
.rb-model-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:6px}
.rb-model-card{display:flex;flex-direction:column;background:var(--rb-card);border:1.5px solid var(--rb-line);border-radius:16px;padding:18px;transition:.15s}
.rb-model-card:hover{border-color:var(--rb-ac);box-shadow:0 4px 16px rgba(79,70,229,.08)}
.rb-model-media{margin:-18px -18px 14px;border-radius:14px 14px 0 0;overflow:hidden;background:linear-gradient(180deg,#f6f8fa,#e9edf1);border-bottom:1px solid var(--rb-line)}
.rb-model-img{display:block;width:100%;height:clamp(230px,30vw,300px);object-fit:contain;object-position:center bottom}
.rb-model-head{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.rb-model-ic{font-size:30px;line-height:1;flex:0 0 auto}
.rb-model-name{font-weight:800;font-size:17px;color:var(--rb-ink);line-height:1.2}
.rb-model-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--rb-ac-d);background:var(--rb-bg);border:1px solid var(--rb-line);border-radius:999px;padding:3px 10px;margin-top:4px}
.rb-model-hl{font-size:14px;line-height:1.55;color:var(--rb-muted);margin:0 0 10px}
.rb-model-keys{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.rb-key{font-size:13px;color:var(--rb-ink);background:var(--rb-bg);border:1px solid var(--rb-line);border-radius:9px;padding:6px 10px;line-height:1.3}
.rb-key b{color:var(--rb-ac-d);font-weight:700}
.rb-model-specs{border-top:1px dashed var(--rb-line);padding-top:10px}
.rb-model-specs summary{cursor:pointer;font-weight:700;font-size:14px;color:var(--rb-ac-d);list-style:none}
.rb-model-specs summary::-webkit-details-marker{display:none}
.rb-model-specs summary:before{content:"+ ";font-weight:800}
.rb-model-specs[open] summary:before{content:"– "}
.rb-model-specs ul{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:6px}
.rb-model-specs li{position:relative;padding-left:16px;font-size:13px;line-height:1.5;color:var(--rb-muted)}
.rb-model-specs li:before{content:"";position:absolute;left:2px;top:8px;width:6px;height:6px;border-radius:50%;background:var(--rb-ac)}
.rb-model-cta{margin-top:12px}
.rb-model-cta .rb-btn{width:100%}

/* quick comparison — horizontal scroll on mobile, full table ≥720 */
.rb-compare-wrap{margin-top:6px;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1.5px solid var(--rb-line);border-radius:14px}
.rb-compare{width:100%;border-collapse:collapse;font-size:13.5px;min-width:620px}
.rb-compare th,.rb-compare td{padding:11px 13px;border-bottom:1px solid var(--rb-line);text-align:left;vertical-align:top;line-height:1.5}
.rb-compare thead th{font-size:12.5px;text-transform:uppercase;letter-spacing:.02em;color:var(--rb-ac-d);background:var(--rb-bg);font-weight:800;white-space:nowrap}
.rb-compare tbody th{font-weight:700;color:var(--rb-ink);background:#fafaff;white-space:nowrap;position:sticky;left:0}
.rb-compare td{color:var(--rb-muted)}
.rb-compare tr:last-child th,.rb-compare tr:last-child td{border-bottom:none}

/* scenario cards */
.rb-sce-grid{display:grid;grid-template-columns:1fr;gap:14px}
.rb-sce-card{background:var(--rb-card);border:1.5px solid var(--rb-line);border-radius:14px;padding:16px}
.rb-sce-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.rb-sce-ic{font-size:24px;line-height:1;flex:0 0 auto}
.rb-sce-t{font-weight:800;font-size:15.5px;color:var(--rb-ac-d);line-height:1.3}
.rb-sce-list{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.rb-sce-list li{position:relative;padding-left:18px;font-size:13.5px;line-height:1.5;color:var(--rb-muted)}
.rb-sce-list li:before{content:"";position:absolute;left:2px;top:8px;width:7px;height:7px;border-radius:50%;background:var(--rb-ac)}

/* integration systems */
.rb-int-grid{list-style:none;margin:16px 0 0;padding:0;display:grid;grid-template-columns:1fr;gap:8px}
.rb-int-item{position:relative;padding:10px 14px 10px 32px;background:var(--rb-card);border:1.5px solid var(--rb-line);border-radius:10px;font-size:14px;line-height:1.5;color:var(--rb-ink)}
.rb-int-item:before{content:"⬌";position:absolute;left:12px;top:10px;color:var(--rb-ac);font-weight:800}

/* flow steps */
.rb-flow{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:10px}
.rb-flow-step{display:flex;gap:12px;align-items:flex-start;background:var(--rb-card);border:1.5px solid var(--rb-line);border-radius:12px;padding:14px}
.rb-flow-ic{flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--rb-bg);color:var(--rb-ac-d);font-weight:800;display:flex;align-items:center;justify-content:center;font-size:14px}
.rb-flow-step b{display:block;font-size:15px;color:var(--rb-ink)}
.rb-flow-step span{display:block;font-size:14px;line-height:1.55;color:var(--rb-muted);margin-top:2px}

/* survey-condition dimensions */
.rb-dim-grid{list-style:none;margin:14px 0 0;padding:0;display:grid;grid-template-columns:1fr;gap:8px}
.rb-dim{position:relative;padding:10px 14px 10px 32px;background:var(--rb-card);border:1.5px solid var(--rb-line);border-radius:10px;font-size:14px;line-height:1.5;color:var(--rb-ink)}
.rb-dim:before{content:"";position:absolute;left:14px;top:16px;width:8px;height:8px;border-radius:50%;background:var(--rb-ac)}
.rb-note-policy{background:var(--rb-bg);border:1px dashed var(--rb-line);border-radius:10px;padding:12px 14px;color:var(--rb-muted)}

/* survey */
.rb-r-survey .rb-survey{background:linear-gradient(180deg,#fff,var(--rb-bg));border:1.5px solid var(--rb-ac);border-radius:16px;padding:20px 18px;box-shadow:0 4px 18px rgba(79,70,229,.1)}
.rb-survey-progress{height:6px;background:var(--rb-line);border-radius:999px;overflow:hidden;margin-bottom:18px}
.rb-survey-bar{height:100%;width:0;background:var(--rb-ac);transition:width .25s}
.rb-survey-q{font-size:16.5px;font-weight:700;color:var(--rb-ink);margin-bottom:14px;line-height:1.4}
.rb-survey-hint{font-size:12.5px;font-weight:500;color:var(--rb-muted)}
.rb-survey-opts{display:grid;gap:10px}
.rb-survey-opt{display:flex;align-items:center;gap:12px;padding:13px 15px;border:1.5px solid var(--rb-line);border-radius:11px;background:#fff;cursor:pointer;font-size:15px;min-height:52px;transition:.12s}
.rb-survey-opt:hover{border-color:var(--rb-ac);background:var(--rb-bg)}
.rb-survey-opt:focus-within{border-color:var(--rb-ac);box-shadow:0 0 0 3px rgba(79,70,229,.18)}
.rb-survey-opt input{width:20px;height:20px;flex:0 0 auto;accent-color:var(--rb-ac)}
.rb-survey-nav{display:flex;justify-content:space-between;gap:10px;margin-top:18px}
.rb-survey-msg{font-size:13px;margin-top:10px;min-height:16px}
.rb-survey-msg.rb-err{color:#b4231f}

/* blog cards */
.rb-blog-grid{display:grid;grid-template-columns:1fr;gap:12px}
.rb-blog-card{display:flex;flex-direction:column;background:var(--rb-card);border:1.5px solid var(--rb-line);border-radius:14px;padding:16px;text-decoration:none;transition:.15s}
.rb-blog-card:hover{border-color:var(--rb-ac);box-shadow:0 4px 16px rgba(79,70,229,.1)}
.rb-blog-purpose{font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--rb-ac);margin-bottom:6px}
.rb-blog-title{font-weight:800;font-size:15.5px;color:var(--rb-ink);line-height:1.38}
.rb-blog-sum{font-size:13.5px;color:var(--rb-muted);margin-top:6px;line-height:1.55}
.rb-blog-more{font-size:13.5px;font-weight:700;color:var(--rb-ac-d);margin-top:10px}

/* qa */
.rb-qa{display:grid;gap:8px}
.rb-qa-item{background:var(--rb-card);border:1.5px solid var(--rb-line);border-radius:12px;padding:0 16px}
.rb-qa-item summary{cursor:pointer;padding:14px 0;font-weight:700;font-size:15px;list-style:none;display:flex;align-items:flex-start;color:var(--rb-ink)}
.rb-qa-item summary::-webkit-details-marker{display:none}
.rb-qa-item summary:before{content:"+";color:var(--rb-ac);font-weight:800;margin-right:10px;flex:0 0 auto}
.rb-qa-item[open] summary:before{content:"–"}
.rb-qa-a{padding:0 0 14px;font-size:14px;line-height:1.62;color:var(--rb-muted)}

/* related */
.rb-rel-grid{display:grid;grid-template-columns:1fr;gap:12px}
.rb-rel-card{display:block;background:var(--rb-card);border:1.5px solid var(--rb-line);border-radius:14px;padding:16px;text-decoration:none;transition:.15s}
.rb-rel-card:hover{border-color:var(--rb-ac);box-shadow:0 4px 16px rgba(79,70,229,.1)}
.rb-rel-name{display:block;font-weight:700;font-size:15px;color:var(--rb-ac-d)}
.rb-rel-note{display:block;font-size:13.5px;color:var(--rb-muted);margin-top:3px;line-height:1.5}

/* final cta */
.rb-r-cta{background:var(--rb-bg);border-radius:18px;margin-top:20px;margin-left:auto;margin-right:auto;max-width:1120px}

/* lead result */
.rb-lead-result{max-width:1120px;margin:0 auto;padding:0 18px}
.rb-lead-result.rb-ok{padding:16px;margin-top:10px;background:#e9f6ef;border:1.5px solid var(--rb-ok);border-radius:12px;color:#0d5c30;font-weight:600}
.rb-lead-result .rb-btn{margin-left:8px}

/* modal */
.rb-modal[hidden]{display:none}
.rb-modal{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;padding:16px}
.rb-modal-back{position:absolute;inset:0;background:rgba(49,46,129,.55)}
.rb-modal-box{position:relative;background:#fff;border-radius:16px;max-width:460px;width:100%;max-height:92vh;overflow:auto;padding:22px 20px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.rb-modal-x{position:absolute;top:10px;right:12px;background:none;border:none;font-size:26px;line-height:1;color:var(--rb-muted);cursor:pointer}
.rb-modal-box h3{margin:0 6px 4px 0;font-size:19px;font-weight:800;color:var(--rb-ink)}
.rb-modal-sub{margin:0 0 14px;font-size:13.5px;color:var(--rb-muted);line-height:1.5}
.rb-field{display:block;margin-bottom:12px}
.rb-field span{display:block;font-size:13px;font-weight:600;color:var(--rb-ink);margin-bottom:5px}
.rb-field input,.rb-field textarea{width:100%;padding:11px 12px;border:1.5px solid var(--rb-line);border-radius:10px;font-size:15px;font-family:inherit}
.rb-field input:focus,.rb-field textarea:focus{outline:none;border-color:var(--rb-ac);box-shadow:0 0 0 3px rgba(79,70,229,.15)}
.rb-modal-msg{font-size:13px;min-height:16px;margin-bottom:6px}
.rb-modal-msg.rb-err{color:#b4231f}
.rb-modal-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
body.rb-modal-open{overflow:hidden}

/* ≥720px */
@media(min-width:720px){
  .rb-region{padding:36px 24px}
  .rb-pain-grid{grid-template-columns:1fr 1fr 1fr}
  .rb-comp-grid{grid-template-columns:1fr 1fr 1fr}
  .rb-feat-grid{grid-template-columns:1fr 1fr}
  .rb-ai-grid{grid-template-columns:1fr 1fr 1fr}
  .rb-model-grid{grid-template-columns:1fr 1fr}
  .rb-model-cta .rb-btn{width:auto}
  .rb-sce-grid{grid-template-columns:1fr 1fr}
  .rb-int-grid{grid-template-columns:1fr 1fr}
  .rb-dim-grid{grid-template-columns:1fr 1fr}
  .rb-blog-grid{grid-template-columns:1fr 1fr 1fr}
  .rb-rel-grid{grid-template-columns:1fr 1fr}
}
@media(min-width:980px){
  .rb-feat-grid{grid-template-columns:1fr 1fr 1fr}
  .rb-model-grid{grid-template-columns:1fr 1fr 1fr}
  .rb-sce-grid{grid-template-columns:1fr 1fr 1fr}
  .rb-rel-grid{grid-template-columns:1fr 1fr 1fr 1fr}
}