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18px}.gsta-demo-sidebar-title{font-size:14px;font-weight:800;color:var(--g-white, #fff);margin:0 0 14px;padding-bottom:10px;border-bottom:1px solid var(--g-border, #334155)}.gsta-demo-sidebar-list{list-style:none;margin:0;padding:0;font-size:13px;line-height:1.7;color:var(--g-text, #e2e8f0)}.gsta-demo-sidebar-list li{padding:6px 0 6px 16px;position:relative}.gsta-demo-sidebar-list li:before{content:"·";position:absolute;left:2px;color:var(--g-cyan, #06b6d4);font-weight:700}.gsta-demo-sidebar-list strong{color:var(--g-cyan, #06b6d4)}.gsta-demo-sidebar-tel{margin-top:20px;padding-top:16px;border-top:1px solid var(--g-border, #334155);text-align:center}.gsta-demo-sidebar-tel-label{font-size:11px;color:var(--g-text-dim, #94a3b8);margin:0 0 6px}.gsta-demo-sidebar-tel-num{display:block;font-size:18px;font-weight:800;color:var(--g-white, #fff);text-decoration:none;letter-spacing:.03em}.gsta-demo-sidebar-tel-num:hover{color:var(--g-cyan, #06b6d4)}.gsta-demo-sidebar-tel-note{font-size:11px;color:var(--g-text-dim, #64748b);margin:4px 0 0}.gsta-demo-chat-panel{display:flex;flex-direction:column;min-height:min(72vh,640px);background:var(--g-surface, #111827);border:1px solid var(--g-border, #334155);border-radius:var(--g-radius-lg, 20px);overflow:hidden}.gsta-demo-chat-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px;border-bottom:1px solid var(--g-border, #334155);background:#1e293b99}.gsta-demo-chat-brand{display:flex;align-items:center;gap:12px;min-width:0}.gsta-demo-chat-brand .gsta-logo-mark{width:40px;height:40px;font-size:22px;flex-shrink:0}.gsta-demo-soratech-avatar{border-radius:50%;object-fit:cover;flex-shrink:0;animation:gstaSoratechBob 2.5s ease-in-out infinite}@keyframes gstaSoratechBob{0%,to{transform:translateY(0)}50%{transform:translateY(-3px)}}.gsta-demo-chat-title{margin:0;font-size:13px;font-weight:700;color:var(--g-white, #fff);line-height:1.4}.gsta-demo-empty-hint{margin:0;padding:20px 8px;text-align:center;font-size:14px;color:var(--g-text-dim, #94a3b8);line-height:1.6}.gsta-demo-chat-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}.gsta-demo-reset{font-size:12px;font-weight:600;padding:8px 12px;border-radius:8px;border:1px solid var(--g-border, #334155);background:var(--g-surface-2, #1e293b);color:var(--g-text, #e2e8f0);cursor:pointer}.gsta-demo-reset:hover{border-color:var(--g-accent, #3b82f6);color:var(--g-white, #fff)}.gsta-demo-messages{flex:1;overflow-y:auto;padding:18px;background:#0a0e1a59;min-height:280px}.gsta-demo-row{display:flex;margin:12px 0}.gsta-demo-row--user{justify-content:flex-end}.gsta-demo-row--bot{justify-content:flex-start}.gsta-demo-bubble{max-width:min(85%,560px);padding:12px 14px;border-radius:14px;font-size:14px;line-height:1.65;overflow-wrap:break-word;word-break:break-word}.gsta-demo-row--user 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#64748b)}.gsta-demo-send{flex-shrink:0;align-self:flex-end;padding:12px 20px;border:none;border-radius:12px;font-weight:700;font-size:14px;cursor:pointer;background:linear-gradient(135deg,var(--g-accent, #3b82f6),var(--g-accent-2, #8b5cf6));color:#fff}.gsta-demo-send:disabled{opacity:.55;cursor:not-allowed}.gsta-demo-mic{flex-shrink:0;align-self:flex-end;width:44px;height:44px;border:none;border-radius:50%;background:var(--g-surface-2, #1e293b);color:var(--g-text-dim, #94a3b8);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.gsta-demo-mic:hover{background:var(--g-surface-3, #334155);color:var(--g-text, #e2e8f0)}.gsta-demo-mic.listening{background:#ef4444;color:#fff;animation:mic-pulse 1.2s ease-in-out infinite}@keyframes mic-pulse{0%,to{box-shadow:0 0 #ef444466}50%{box-shadow:0 0 0 8px #ef444400}}.gsta-demo-chat-foot{font-size:11px;color:var(--g-text-dim, #64748b);padding:10px 16px 14px;line-height:1.5}.gsta-demo-chat-foot a{color:var(--g-cyan, #06b6d4);text-decoration:underline}.gsta-demo-about{max-width:780px;margin:40px auto 0;padding:0 20px 20px}.gsta-demo-about-title{font-size:16px;font-weight:700;color:var(--g-text, #e2e8f0);margin-bottom:12px}.gsta-demo-about-text{font-size:13px;line-height:1.8;color:var(--g-text-dim, #94a3b8);margin-bottom:10px}.gsta-demo-about-cta{margin-top:20px}.gsta-demo-soratetsu-btn{display:inline-flex;align-items:center;gap:14px;padding:10px 24px 10px 10px;border-radius:999px;background:linear-gradient(135deg,#f97316,#ea580c);color:#fff;text-decoration:none;font-weight:700;box-shadow:0 4px 16px #f9731659;transition:all .25s}.gsta-demo-soratetsu-btn:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 8px 28px #f9731680}.gsta-demo-soratetsu-icon{border-radius:50%;border:2px solid rgba(255,255,255,.4);background:#ffffff26;object-fit:cover}.gsta-demo-soratetsu-label{display:flex;flex-direction:column;gap:2px}.gsta-demo-soratetsu-name{font-size:15px;letter-spacing:.3px}.gsta-demo-soratetsu-sub{font-size:11px;font-weight:500;opacity:.85}.gsta-demo-back{font-size:12px;font-weight:600;color:var(--g-text-dim, #94a3b8);text-decoration:none;padding:8px 10px;border-radius:8px;border:1px solid transparent;white-space:nowrap}.gsta-demo-back:hover{color:var(--g-cyan, #06b6d4);border-color:var(--g-border, #334155);background:#1e293b66}.gsta-demo-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}