.kb-page{padding-top:70px}.kb-hero{background:var(--blk);color:var(--w);padding:80px 5vw 60px}.kb-hero-inner{text-align:center;max-width:720px;margin:0 auto}.kb-hero h1{margin-bottom:20px}.kb-hero h1 em{color:var(--org)}.kb-hero-sub{color:#ffffff8c;max-width:540px;margin-bottom:32px;margin-left:auto;margin-right:auto;font-size:1.05rem;line-height:1.7}.kb-search-wrap{max-width:520px;margin:0 auto;position:relative}.kb-search-icon{color:#ffffff4d;pointer-events:none;position:absolute;top:50%;left:18px;transform:translateY(-50%)}.kb-search{color:#fff;background:#ffffff0f;border:1.5px solid #ffffff1f;border-radius:12px;outline:none;width:100%;padding:15px 18px 15px 50px;font-family:inherit;font-size:.95rem;transition:border-color .2s,background .2s}.kb-search::placeholder{color:#ffffff4d}.kb-search:focus{border-color:var(--org);background:#ffffff14}.kb-tabs-section{background:var(--w);border-bottom:1px solid var(--rul);z-index:50;position:sticky;top:64px}.kb-tabs{scrollbar-width:none;gap:0;max-width:1100px;margin:0 auto;display:flex;overflow-x:auto}.kb-tabs::-webkit-scrollbar{display:none}.kb-tab{color:var(--mid);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-bottom:2.5px solid #0000;align-items:center;gap:7px;padding:16px 22px;font-family:inherit;font-size:.82rem;font-weight:500;transition:all .2s;display:flex}.kb-tab:hover{color:var(--blk)}.kb-tab.active{color:var(--org);border-bottom-color:var(--org);font-weight:600}.kb-tab-icon{font-size:1.1rem}.kb-content{max-width:1100px;margin:0 auto;padding:40px 5vw 60px}.kb-category-header{margin-bottom:28px}.kb-category-header h2{margin-bottom:6px}.kb-category-header p{color:var(--mid);font-size:.95rem}.kb-category-label{color:var(--mid);text-transform:uppercase;letter-spacing:.1em;align-items:center;gap:8px;margin-bottom:16px;font-size:.85rem;font-weight:600;display:flex}.kb-grid{grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:32px;display:grid}.kb-card{background:var(--w);border:1px solid var(--rul);cursor:pointer;border-radius:12px;padding:22px 24px;transition:all .2s}.kb-card:hover{border-color:var(--org);box-shadow:0 2px 12px #f9731614}.kb-card.expanded{border-color:var(--org);background:#fffbf7}.kb-card-header{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.kb-card-title{color:var(--blk);font-size:.95rem;font-weight:600;line-height:1.35}.kb-card-chevron{color:var(--mut);flex-shrink:0;margin-top:2px;transition:transform .2s}.kb-card-chevron.open{color:var(--org);transform:rotate(180deg)}.kb-card-tags{flex-wrap:wrap;gap:6px;margin-top:10px;display:flex}.kb-tag{background:var(--bt);color:var(--blue);border-radius:20px;padding:3px 10px;font-size:.68rem;font-weight:500}.kb-card-body{border-top:1px solid #0000000f;margin-top:14px;padding-top:14px}.kb-card-body p{color:var(--ink);font-size:.88rem;line-height:1.7}.kb-empty{text-align:center;padding:60px 20px}.kb-empty-icon{margin-bottom:12px;font-size:2.5rem}.kb-empty h3{margin-bottom:6px;font-size:1.1rem;font-weight:600}.kb-empty p{color:var(--mid);font-size:.9rem}.kb-cta{background:linear-gradient(135deg, var(--blk) 0%, #1a1a2e 100%);text-align:center;padding:60px 5vw}.kb-cta-inner{max-width:560px;margin:0 auto}.kb-cta h2{color:var(--w);margin-bottom:14px}.kb-cta p{color:#ffffff80;font-size:.95rem;line-height:1.7}.bs-section{max-width:1100px;margin:0 auto;padding:0 5vw}.bs-toggle-wrap{padding-top:0;padding-bottom:40px}.bs-toggle{cursor:pointer;text-align:left;background:linear-gradient(135deg,#fffbf7 0%,#fff7ed 100%);border:1.5px solid #fed7aa;border-radius:14px;align-items:center;gap:16px;width:100%;padding:20px 24px;font-family:inherit;transition:all .2s;display:flex}.bs-toggle:hover{border-color:var(--org);box-shadow:0 2px 16px #f973161a}.bs-toggle.active{border-color:var(--org);border-bottom:1px dashed #f973164d;border-bottom-right-radius:0;border-bottom-left-radius:0}.bs-toggle-icon{flex-shrink:0;font-size:1.6rem}.bs-toggle-text{flex-direction:column;flex:1;gap:2px;display:flex}.bs-toggle-title{color:var(--blk);font-size:1rem;font-weight:700}.bs-toggle-sub{color:var(--mid);font-size:.82rem;line-height:1.4}.bs-toggle-chevron{color:var(--org);flex-shrink:0;transition:transform .2s}.bs-toggle-chevron.open{transform:rotate(180deg)}.bs-workspace{background:#fff;border:1.5px solid #fed7aa;border-top:none;border-radius:0 0 14px 14px;flex-direction:column;gap:20px;padding:24px;display:flex}.bs-welcome{text-align:center}.bs-welcome-header{margin-bottom:24px}.bs-welcome-icon{margin-bottom:8px;font-size:2rem;display:block}.bs-welcome h3{color:var(--blk);margin-bottom:6px;font-size:1.15rem;font-weight:700}.bs-welcome p{color:var(--mid);max-width:480px;margin:0 auto;font-size:.88rem;line-height:1.6}.bs-prompts-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.bs-prompt-card{border:1px solid var(--rul);cursor:pointer;text-align:left;background:#fafafa;border-radius:10px;flex-direction:column;gap:4px;padding:14px 16px;font-family:inherit;transition:all .15s;display:flex}.bs-prompt-card:hover{border-color:var(--org);background:#fff7ed}.bs-prompt-label{color:var(--blk);font-size:.82rem;font-weight:600}.bs-prompt-desc{color:var(--mid);font-size:.72rem;line-height:1.4}.bs-messages{scrollbar-width:thin;flex-direction:column;gap:14px;max-height:420px;padding:4px 0;display:flex;overflow-y:auto}.bs-messages::-webkit-scrollbar{width:4px}.bs-messages::-webkit-scrollbar-thumb{background:#ddd;border-radius:2px}.bs-msg{align-items:flex-start;gap:10px;display:flex}.bs-msg--user{flex-direction:row-reverse}.bs-msg-avatar{background:#fff7ed;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;margin-top:2px;font-size:.9rem;display:flex}.bs-msg-bubble{word-break:break-word;border-radius:14px;max-width:80%;padding:12px 16px;font-size:.88rem;line-height:1.65}.bs-msg--user .bs-msg-bubble{background:var(--org);color:#fff;border-bottom-right-radius:4px}.bs-msg--assistant .bs-msg-bubble{color:var(--blk);background:#f5f5f4;border-bottom-left-radius:4px}.bs-msg-bubble strong{font-weight:600}.bs-typing{align-items:center;gap:4px;padding:14px 18px;display:flex}.bs-typing span{background:#9ca3af;border-radius:50%;width:7px;height:7px;animation:1.2s ease-in-out infinite bsDot}.bs-typing span:nth-child(2){animation-delay:.2s}.bs-typing span:nth-child(3){animation-delay:.4s}@keyframes bsDot{0%,60%,to{opacity:.4;transform:translateY(0)}30%{opacity:1;transform:translateY(-6px)}}.bs-input-bar{align-items:flex-end;gap:10px;display:flex}.bs-input{border:1.5px solid var(--rul);resize:none;border-radius:12px;outline:none;flex:1;padding:12px 16px;font-family:inherit;font-size:.88rem;line-height:1.5;transition:border-color .2s}.bs-input:focus{border-color:var(--org)}.bs-input::placeholder{color:#9ca3af}.bs-send{background:var(--org);color:#fff;cursor:pointer;border:none;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;transition:background .15s;display:flex}.bs-send:hover:not(:disabled){background:#e8640b}.bs-send:disabled{opacity:.4;cursor:default}.bs-clear{color:var(--mid);border:1px solid var(--rul);cursor:pointer;background:0 0;border-radius:8px;align-self:center;padding:6px 16px;font-family:inherit;font-size:.78rem;font-weight:500;transition:all .15s}.bs-clear:hover{color:var(--org);border-color:var(--org)}@media (max-width:768px){.kb-hero{padding:60px 5vw 40px}.kb-grid{grid-template-columns:1fr}.kb-tabs{padding:0 5vw}.kb-tab{padding:14px 16px;font-size:.78rem}.bs-prompts-grid{grid-template-columns:1fr}.bs-toggle{gap:12px;padding:16px 18px}.bs-toggle-title{font-size:.92rem}.bs-workspace{padding:18px 16px}.bs-msg-bubble{max-width:90%}}