*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1b2533;background:#f4f6f9;line-height:1.45}
header{background:#0b2d5b;color:#fff;padding:28px 18px 22px;text-align:center}header h1{margin:0 0 8px;font-size:clamp(1.5rem,4.5vw,2.3rem)}header p{margin:0 auto;max-width:640px;opacity:.92}
.brand{font-weight:700;letter-spacing:.5px;color:#ffcf3f;font-size:.85rem;margin-bottom:10px}
main{max-width:720px;margin:-12px auto 0;padding:0 12px}
#chat{background:#fff;border-radius:14px;box-shadow:0 6px 24px rgba(0,0,0,.08);padding:14px;min-height:380px;display:flex;flex-direction:column}
#log{flex:1;overflow-y:auto;max-height:62vh;padding:4px}
.msg{margin:8px 0;padding:10px 13px;border-radius:12px;max-width:88%;white-space:pre-wrap}.bot{background:#eef2f8}.me{background:#c8102e;color:#fff;margin-left:auto}
.ai{font-size:.75rem;color:#5b6676;margin:0 0 6px}
.opts{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}.opts button,.btn{border:1px solid #0b2d5b;background:#fff;color:#0b2d5b;border-radius:20px;padding:9px 14px;font-size:.95rem;cursor:pointer}
.opts button.primary,.btn.primary{background:#c8102e;border-color:#c8102e;color:#fff}
form#in{display:flex;gap:8px;margin-top:8px}form#in input{flex:1;padding:11px;border:1px solid #c5ccd6;border-radius:10px;font-size:1rem}
table.q{width:100%;border-collapse:collapse;margin:6px 0}table.q td{padding:4px 2px;border-bottom:1px solid #e3e7ee}table.q td:last-child{text-align:right}table.q tr.t td{font-weight:700;border:0}
.note{font-size:.8rem;color:#5b6676}.banner-test{background:#fff4cc;border:1px solid #e6c200;padding:8px 12px;border-radius:8px;font-size:.85rem;margin:10px 0}
footer{max-width:720px;margin:22px auto;padding:0 14px 30px;font-size:.92rem;color:#334}footer .human{background:#fff;border-left:4px solid #c8102e;padding:12px;border-radius:8px}
footer a{color:#0b2d5b}.doc{max-width:720px;margin:20px auto;background:#fff;padding:22px;border-radius:12px}

/* corporate redesign */
:root{--red:#c8102e;--blue:#003a70;--ink:#1d2733;--mute:#5b6676;--line:#e6e9ee}
body{background:#fff;font-family:"Helvetica Neue",Arial,system-ui,sans-serif;color:var(--ink)}
.wrap{max-width:1040px;margin:0 auto;padding:0 24px}
header.bar{background:#fff;color:var(--ink);padding:0;text-align:left;border-bottom:4px solid var(--blue);box-shadow:0 1px 0 var(--line)}
.bar-in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:76px}
.logo img{display:block;height:46px;width:auto}
.center{display:flex;align-items:center;gap:22px;font-size:.95rem}.cname{font-weight:600;color:var(--blue)}
.phone{color:#fff;background:var(--blue);padding:9px 16px;border-radius:4px;text-decoration:none;font-weight:600}
.hero{padding:64px 0 40px;text-align:center}.eyebrow{text-transform:uppercase;letter-spacing:2px;font-size:.78rem;color:var(--blue);font-weight:700;margin:0 0 12px}
.hero h1{color:var(--blue);font-size:clamp(1.7rem,4.2vw,2.7rem);line-height:1.15;margin:0 auto 16px;max-width:760px;font-weight:700}
.hero .sub{color:var(--mute);max-width:640px;margin:0 auto;font-size:1.05rem}
main{max-width:720px;margin:0 auto 56px;padding:0 16px}
#chat{border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 30px rgba(0,40,90,.08);padding:20px}
.bot{background:#f3f5f8}.me{background:var(--blue)}
.opts button,.btn{border-color:var(--blue);color:var(--blue);border-radius:4px}.opts button.primary,.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
form#in input{border-radius:4px}
.trust{background:#f6f7f9;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 0}
.trust-in{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.trust-in div{display:flex;flex-direction:column;gap:4px;font-size:.92rem}.trust-in strong{color:var(--blue)}.trust a{color:var(--ink)}
footer{max-width:none;margin:0;padding:36px 0 44px;background:#fff;color:var(--ink)}footer .wrap{max-width:760px}
footer .human{background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:4px;padding:16px}footer a{color:var(--blue)}
@media(max-width:700px){.cname{display:none}.bar-in{min-height:64px}.logo img{height:36px}.hero{padding:40px 0 24px}.trust-in{grid-template-columns:1fr 1fr}}
.texthuman{text-decoration:none;display:inline-block;border-style:dashed}