.sv-announce{display:none;background:#e7f2ea;border-bottom:1px solid #bfd7c7;color:#184735;padding:12px 18px;font-weight:650}
.sv-announce[data-visible="true"]{display:block}
.sv-announce .wrap{display:flex;align-items:flex-start;gap:10px}
.sv-announce strong{flex-shrink:0}
.sv-nixur-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px;align-items:start}
.sv-nixur-intro{padding-top:8px}
.sv-chat{background:#fff;border:1px solid #d4e3d8;border-radius:22px;overflow:hidden;box-shadow:0 18px 55px rgba(10,48,36,.09)}
.sv-chat-head{background:#174a39;padding:18px 22px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:12px}
.sv-chat-head strong{font-size:1.08rem}.sv-chat-head small{display:block;color:#cfebe0;font-size:.76rem}
.sv-chat-status{font-size:.73rem;font-weight:700;padding:5px 9px;border:1px solid #80bca7;border-radius:999px;color:#dbfff0;white-space:nowrap}
.sv-chat-log{padding:20px;min-height:236px;max-height:350px;overflow-y:auto;background:#f7faf7;display:flex;flex-direction:column;gap:12px}
.sv-bubble{padding:12px 15px;border-radius:15px;max-width:92%;font-size:.92rem;white-space:pre-line;line-height:1.53}
.sv-bubble[data-from="assistant"]{align-self:flex-start;background:#e5f0e9;color:#174135;border-bottom-left-radius:4px}
.sv-bubble[data-from="visitor"]{align-self:flex-end;background:#1b634d;color:#fff;border-bottom-right-radius:4px}
.sv-chat-topic-list{padding:15px 20px 5px;display:flex;gap:7px;flex-wrap:wrap}
.sv-chat-topic{background:#f0f7f2;border:1px solid #cbded1;color:#164d3a;padding:7px 10px;font-size:.82rem;font-weight:700;border-radius:999px;min-height:40px;cursor:pointer}
.sv-chat-topic:hover,.sv-chat-topic:focus-visible{background:#dbefe2}
.sv-chat-form{padding:12px 20px;display:flex;gap:8px;align-items:stretch}
.sv-chat-form input{flex:1;min-width:0;padding:12px;border:1px solid #b8cfc1;border-radius:10px;color:#173f34;background:#fff}
.sv-chat-form button{border:0;border-radius:10px;background:#155943;color:#fff;font-weight:750;padding:11px 17px;cursor:pointer}
.sv-chat-footer{padding:0 20px 17px;color:#5a7468;font-size:.78rem;line-height:1.5}
.sv-nixur-details{background:#e4f0e7;border-radius:16px;padding:18px 20px;margin-top:23px}
.sv-nixur-details p{margin:0;font-size:.95rem}
.sv-techbar{background:#123d31;color:#e6f1e8;padding:9px 0;font-size:.79rem}
.sv-techbar .wrap{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.sv-techbar span{opacity:.9}
.sv-techbar code{color:#d3ffdb}
.sv-chat-launcher{position:fixed;bottom:21px;right:22px;z-index:9;padding:12px 18px;border-radius:999px;background:#155943;color:#fff;font-weight:750;text-decoration:none;box-shadow:0 8px 20px #143b2d40;display:inline-flex;gap:8px;align-items:center;border:2px solid #fff}
.sv-chat-launcher:hover{color:#fff;background:#0e3f32}
@media(max-width:850px){.sv-nixur-wrap{grid-template-columns:1fr}.sv-chat-launcher{right:12px;bottom:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}