:root{--brand: #0a6cff;--brand-dark: #0852c4;--brand-soft: #e8f1ff;--bg: #f4f6fb;--panel: #ffffff;--text: #1c2433;--text-soft: #66708a;--border: #e6eaf2;--green: #16a34a;--amber: #d97706;--radius: 14px;--shadow: 0 6px 24px rgba(20, 40, 80, .08)}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer;border:none;background:none}input,textarea,select{font-family:inherit}.app-shell{display:flex;flex-direction:column;height:100vh;height:100dvh}.topbar{display:flex;align-items:center;gap:14px;padding:14px 24px;background:linear-gradient(100deg,var(--brand) 0%,var(--brand-dark) 100%);color:#fff;box-shadow:0 2px 12px #0a6cff40;z-index:10}.topbar .logo{width:40px;height:40px;border-radius:10px;background:#ffffff2e;display:grid;place-items:center;font-size:22px}.topbar h1{font-size:17px;font-weight:700;letter-spacing:.5px}.topbar .sub{font-size:12px;opacity:.85;margin-top:2px}.topbar .spacer{flex:1}.topbar .llm-badge{font-size:12px;padding:5px 12px;border-radius:20px;background:#ffffff29;display:flex;align-items:center;gap:6px}.topbar .llm-badge .dot{width:8px;height:8px;border-radius:50%;background:#ffd166}.topbar .llm-badge.on .dot{background:#4ade80}.topbar .gear{font-size:18px;padding:8px;border-radius:8px;color:#fff;transition:.2s}.topbar .gear:hover{background:#ffffff2e}.tabs{display:flex;gap:6px;padding:12px 24px 0;background:var(--panel);border-bottom:1px solid var(--border)}.tab{padding:10px 20px;font-size:14px;font-weight:600;color:var(--text-soft);border-radius:10px 10px 0 0;position:relative;transition:.2s}.tab:hover,.tab.active{color:var(--brand)}.tab.active:after{content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:3px;background:var(--brand);border-radius:3px}.content{flex:1;overflow:hidden;display:flex}.chat-wrap{flex:1;display:flex;flex-direction:column;max-width:960px;margin:0 auto;width:100%}.messages{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:18px}.msg{display:flex;gap:12px;max-width:86%}.msg.user{align-self:flex-end;flex-direction:row-reverse}.avatar{width:36px;height:36px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;font-size:18px}.avatar.bot{background:var(--brand-soft)}.avatar.user{background:#dcecda}.bubble{background:var(--panel);padding:14px 16px;border-radius:14px;box-shadow:var(--shadow);white-space:pre-wrap;line-height:1.7;font-size:14.5px;word-break:break-word}.msg.user .bubble{background:var(--brand);color:#fff}.bubble .typing{display:inline-block;width:8px;height:16px;background:var(--brand);animation:blink 1s infinite;vertical-align:text-bottom}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.sources{margin-top:10px;padding-top:10px;border-top:1px dashed var(--border)}.sources .label{font-size:12px;color:var(--text-soft);margin-bottom:6px}.source-chip{display:inline-block;font-size:12px;padding:4px 10px;margin:0 6px 6px 0;background:var(--brand-soft);color:var(--brand-dark);border-radius:8px;cursor:pointer}.source-chip:hover{background:#d6e6ff}.suggestions{padding:0 24px 8px;display:flex;flex-wrap:wrap;gap:8px}.suggestion{font-size:13px;padding:8px 14px;background:var(--panel);border:1px solid var(--border);border-radius:20px;color:var(--text-soft);transition:.2s}.suggestion:hover{border-color:var(--brand);color:var(--brand)}.composer{padding:16px 24px 22px;background:var(--panel);border-top:1px solid var(--border)}.composer-inner{display:flex;gap:12px;align-items:flex-end;max-width:960px;margin:0 auto}.composer textarea{flex:1;resize:none;border:1.5px solid var(--border);border-radius:12px;padding:12px 14px;font-size:14.5px;line-height:1.5;max-height:140px;outline:none;transition:.2s}.composer textarea:focus{border-color:var(--brand)}.send-btn{background:var(--brand);color:#fff;padding:0 22px;height:46px;border-radius:12px;font-size:15px;font-weight:600;transition:.2s;display:flex;align-items:center;gap:6px}.send-btn:hover{background:var(--brand-dark)}.send-btn:disabled{opacity:.5;cursor:not-allowed}.panel-scroll{flex:1;overflow-y:auto;padding:28px}.wizard{max-width:880px;margin:0 auto}.wizard h2{font-size:20px;margin-bottom:6px}.wizard .desc{color:var(--text-soft);font-size:14px;margin-bottom:24px}.field{margin-bottom:22px}.field>label{display:block;font-weight:600;font-size:14px;margin-bottom:10px}.chips{display:flex;flex-wrap:wrap;gap:10px}.chip{padding:9px 16px;border:1.5px solid var(--border);border-radius:22px;font-size:13.5px;color:var(--text);background:var(--panel);transition:.15s}.chip:hover{border-color:var(--brand)}.chip.active{background:var(--brand);color:#fff;border-color:var(--brand)}.wizard-actions{margin-top:8px}.primary-btn{background:var(--brand);color:#fff;padding:12px 28px;border-radius:12px;font-size:15px;font-weight:600}.primary-btn:hover{background:var(--brand-dark)}.ghost-btn{color:var(--text-soft);padding:12px 18px;font-size:14px}.ghost-btn:hover{color:var(--brand)}.result-list{margin-top:26px;display:grid;gap:16px}.result-head{font-size:15px;font-weight:600;margin-bottom:4px}.lib-toolbar{max-width:1100px;margin:0 auto 18px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}.lib-toolbar input{flex:1;min-width:220px;padding:11px 16px;border:1.5px solid var(--border);border-radius:12px;font-size:14px;outline:none}.lib-toolbar input:focus{border-color:var(--brand)}.cat-filter{display:flex;gap:8px;flex-wrap:wrap;max-width:1100px;margin:0 auto 18px}.grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);transition:.2s}.card:hover{transform:translateY(-2px);box-shadow:0 10px 30px #1428501f}.card .card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.card .pname{font-size:15.5px;font-weight:700;line-height:1.4}.card .pid{font-size:12px;color:#fff;background:var(--brand);padding:3px 10px;border-radius:8px;flex-shrink:0}.card .ptype{display:inline-block;font-size:12px;color:var(--brand-dark);background:var(--brand-soft);padding:3px 10px;border-radius:8px;margin:8px 0}.card .pintro{font-size:13px;color:var(--text-soft);line-height:1.6;margin:4px 0 10px}.card .prow{font-size:12.5px;color:var(--text);margin:5px 0}.card .prow b{color:var(--text-soft);font-weight:600}.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.tag{font-size:11.5px;background:#f0f3fa;color:var(--text-soft);padding:3px 9px;border-radius:6px}.card-img-wrap{position:relative;margin:6px 0 10px;border-radius:10px;overflow:hidden;background:#f4f6fb;cursor:zoom-in;border:1px solid var(--border)}.card-img{display:block;width:100%;height:180px;object-fit:contain;background:#fff;transition:transform .25s}.card-img-wrap:hover .card-img{transform:scale(1.04)}.zoom-hint{position:absolute;right:8px;bottom:8px;font-size:11px;color:#fff;background:#00000073;padding:3px 8px;border-radius:6px;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.img-lightbox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:#000000d1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:30px;cursor:zoom-out;animation:fadein .15s ease}@keyframes fadein{0%{opacity:0}to{opacity:1}}.img-lightbox img{max-width:92vw;max-height:80vh;object-fit:contain;border-radius:10px;background:#fff;box-shadow:0 10px 50px #00000080}.lb-close{position:absolute;top:18px;right:22px;width:42px;height:42px;border-radius:50%;background:#ffffff26;color:#fff;font-size:26px;line-height:1;cursor:pointer;transition:.2s}.lb-close:hover{background:#ffffff4d}.lb-caption{color:#fff;font-size:14px;opacity:.9}.empty{text-align:center;color:var(--text-soft);padding:60px 20px;font-size:14px}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#141e3273;display:grid;place-items:center;z-index:100}.modal{background:var(--panel);width:92%;max-width:520px;border-radius:16px;padding:26px;box-shadow:0 20px 60px #00000040}.modal h3{font-size:18px;margin-bottom:6px}.modal .modal-desc{font-size:13px;color:var(--text-soft);line-height:1.6;margin-bottom:20px}.modal label{display:block;font-size:13px;font-weight:600;margin:14px 0 6px}.modal input{width:100%;padding:11px 14px;border:1.5px solid var(--border);border-radius:10px;font-size:14px;outline:none}.modal input:focus{border-color:var(--brand)}.modal .hint{font-size:12px;color:var(--text-soft);margin-top:5px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.modal a{color:var(--brand)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#cdd5e3;border-radius:8px}::-webkit-scrollbar-thumb:hover{background:#b3bdd0}@media (max-width: 640px){.topbar{padding:10px 14px;gap:10px}.topbar .logo{width:34px;height:34px;font-size:18px;border-radius:9px}.topbar h1{font-size:15px;letter-spacing:0}.topbar .sub{font-size:11px}.topbar .llm-badge{font-size:11px;padding:4px 9px}.topbar .gear{font-size:17px;padding:6px}.tabs{padding:8px 10px 0;gap:2px;overflow-x:auto;-webkit-overflow-scrolling:touch}.tabs::-webkit-scrollbar{display:none}.tab{padding:9px 14px;font-size:13.5px;white-space:nowrap}.messages{padding:16px 13px;gap:14px;-webkit-overflow-scrolling:touch}.msg{max-width:92%;gap:9px}.avatar{width:30px;height:30px;font-size:15px}.bubble{font-size:14px;padding:12px 13px;line-height:1.65}.source-chip{font-size:11.5px}.suggestions{padding:0 13px 8px;gap:7px}.suggestion{font-size:12.5px;padding:7px 12px}.composer{padding:10px 13px calc(12px + env(safe-area-inset-bottom))}.composer-inner{gap:9px}.composer textarea{font-size:16px;padding:10px 12px}.send-btn{height:44px;padding:0 16px;font-size:14px}.panel-scroll{padding:18px 13px}.wizard h2{font-size:18px}.wizard .desc{font-size:13px;margin-bottom:18px}.field{margin-bottom:18px}.field>label{font-size:13.5px}.chips{gap:8px}.chip{padding:8px 13px;font-size:13px}.primary-btn{padding:11px 22px;font-size:14.5px}.lib-toolbar input{font-size:16px;min-width:0}.grid{grid-template-columns:1fr;gap:12px}.card{padding:15px}.card .pname{font-size:15px}.modal{padding:20px;width:94%}.modal h3{font-size:17px}.modal input{font-size:16px}}@media (max-width: 360px){.topbar .sub,.topbar .llm-badge{display:none}}