#hifine-ai-widget{--g:#7cbd43;--gl:rgba(124,189,67,.08);--gm:rgba(124,189,67,.25);--gd:#66a335;--dk:#1a1a1a;--md:#666;--lt:#f9f9f9;--br:#e5e5e5;--br2:#d0d6d0;--r:12px;--bg-main:#ffffff;--bg-input:#f4f4f4;display:flex;width:100%;height:calc(100vh - 80px);background:var(--bg-main);overflow:hidden}#hifine-ai-widget *,#hifine-ai-widget *::before,#hifine-ai-widget *::after{box-sizing:border-box}#hifine-ai-widget .hf-main{flex:1;display:flex;flex-direction:column;min-width:0;position:relative;height:100%;overflow:hidden}#hifine-ai-widget .hf-chat-area{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;display:flex;flex-direction:column;scroll-behavior:smooth;padding-bottom:20px}#hifine-ai-widget .hf-chat-area::-webkit-scrollbar,#hifine-ai-widget #hf-in::-webkit-scrollbar{width:6px}#hifine-ai-widget .hf-chat-area::-webkit-scrollbar-thumb,#hifine-ai-widget #hf-in::-webkit-scrollbar-thumb{background:var(--br2);border-radius:3px}#hifine-ai-widget .hf-empty-state{margin:auto;display:flex;flex-direction:column;align-items:center;justify-content:center;max-width:680px;padding:40px 20px 32px;text-align:center;width:100%;animation:hf-fade-in 0.6s ease}#hifine-ai-widget .hf-logo-large{margin-bottom:24px}#hifine-ai-widget .hf-greeting{font-size:28px;font-weight:700;margin:0 0 16px;color:var(--dk)}#hifine-ai-widget .hf-empty-text{font-size:15px;color:var(--md);line-height:1.6;margin:0 0 28px;max-width:550px}#hifine-ai-widget .hf-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:28px}#hifine-ai-widget .hf-chip{font-size:13px;padding:9px 16px;border:1px solid var(--br);color:var(--dk);cursor:pointer;background:#fff;border-radius:30px;transition:all .25s ease}#hifine-ai-widget .hf-chip:hover{background:var(--gl);border-color:var(--g);color:var(--g);transform:translateY(-2px);box-shadow:0 4px 10px rgb(124 189 67 / .15)}#hf-empty .hf-input-area{width:100%;padding:0;background:#fff0}#hf-empty .hf-disclaimer{text-align:center;font-size:12px;color:var(--md);margin-top:10px}#hifine-ai-widget .hf-main>.hf-input-area{padding:0 20px 16px;background:var(--bg-main);flex-shrink:0;border-top:1px solid var(--br);padding-top:14px}#hifine-ai-widget .hf-main>.hf-input-area .hf-disclaimer{text-align:center;font-size:12px;color:var(--md);margin-top:10px}#hifine-ai-widget .hf-input-wrapper{max-width:760px;margin:0 auto;background:var(--bg-input);border-radius:24px;display:flex;align-items:flex-end;padding:8px 16px;position:relative;border:none;transition:all .25s ease}#hifine-ai-widget .hf-input-wrapper:focus-within{background:#fff;box-shadow:0 0 0 1px var(--br),0 4px 16px rgb(0 0 0 / .07)}#hifine-ai-widget #hf-in{flex:1;max-height:150px;border:none;background:#fff0;resize:none;outline:none;padding:8px 44px 8px 4px;font-size:15px;line-height:1.5;font-family:inherit;overflow-y:auto;color:var(--dk)}#hifine-ai-widget #hf-btn{position:absolute;right:10px;bottom:10px;width:34px;height:34px;border:none;background:var(--dk);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;flex-shrink:0}#hifine-ai-widget #hf-btn:hover{background:var(--g);transform:scale(1.05)}#hifine-ai-widget #hf-btn:disabled{background:var(--br2);cursor:not-allowed;transform:none}#hifine-ai-widget .hf-msg-row{width:100%;padding:20px 20px;display:flex;justify-content:center;animation:hf-slide-up 0.4s ease}#hifine-ai-widget .hf-msg-row.hf-user{justify-content:flex-end}#hifine-ai-widget .hf-msg-user-bubble{background:var(--bg-input);color:var(--dk);padding:12px 18px;border-radius:20px 20px 4px 20px;font-size:15px;line-height:1.6;max-width:min(80%, 600px);word-wrap:break-word}#hifine-ai-widget .hf-msg-ai-wrap{width:100%;max-width:800px}#hifine-ai-widget .hf-analysis{font-size:15px;line-height:1.8;color:#333;margin-bottom:20px}#hifine-ai-widget .hf-analysis p{margin:0 0 12px 0}#hifine-ai-widget .hf-analysis a{color:var(--g);font-weight:600;text-decoration:underline;text-decoration-color:var(--gm);text-underline-offset:4px;transition:all .2s}#hifine-ai-widget .hf-analysis a:hover{color:var(--gd);text-decoration-color:var(--g)}#hifine-ai-widget .hf-section-label{display:flex;align-items:center;gap:12px;font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--md);font-weight:700;margin-bottom:12px}#hifine-ai-widget .hf-section-label::after{content:'';flex:1;height:1px;background:var(--br)}#hifine-ai-widget .hf-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:20px}#hifine-ai-widget .hf-card{display:flex;flex-direction:column;border:1px solid var(--br);border-radius:10px;overflow:hidden;background:#fff;transition:all .3s ease;text-decoration:none}#hifine-ai-widget .hf-card:hover{border-color:var(--g);box-shadow:0 6px 18px rgb(124 189 67 / .12);transform:translateY(-3px)}#hifine-ai-widget 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.hf-inquire-btn:hover{background:var(--g);color:#fff}#hifine-ai-widget .hf-specs-container{display:flex;flex-direction:column;gap:16px;margin-bottom:24px}#hifine-ai-widget .hf-spec-box{border:1px solid var(--br);border-radius:var(--r);padding:18px;background:#fafafa}#hifine-ai-widget .hf-spec-product-title{font-size:14px;font-weight:700;color:var(--dk);margin-bottom:14px}#hifine-ai-widget .hf-spec-table{width:100%;border-collapse:collapse;font-size:13px}#hifine-ai-widget .hf-spec-table tr{border-bottom:1px solid var(--br)}#hifine-ai-widget .hf-spec-table tr:last-child{border-bottom:none}#hifine-ai-widget .hf-spec-table th{text-align:left;padding:10px 8px 10px 0;color:var(--md);width:140px;font-weight:500}#hifine-ai-widget .hf-spec-table td{padding:10px 8px;color:var(--dk);font-weight:500}#hifine-ai-widget .hf-blog{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px}#hifine-ai-widget .hf-post{display:flex;align-items:flex-start;gap:10px;padding:14px;border:1px solid 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.hf-page-desc{font-size:12px;color:var(--md);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#hifine-ai-widget .hf-think{display:flex;gap:6px;padding:10px 0;align-items:center}#hifine-ai-widget .hf-think span{width:8px;height:8px;border-radius:50%;background:var(--md);animation:hf-dot 1.4s infinite ease-in-out both}#hifine-ai-widget .hf-think span:nth-child(1){animation-delay:-0.32s}#hifine-ai-widget .hf-think span:nth-child(2){animation-delay:-0.16s}@keyframes hf-fade-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@keyframes hf-slide-up{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}@keyframes hf-dot{0%,80%,100%{transform:scale(.6);opacity:.4}40%{transform:scale(1.2);opacity:1}}@media (max-width:1024px){#hifine-ai-widget .hf-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:768px){#hifine-ai-widget{height:calc(100vh - 60px)}#hifine-ai-widget .hf-grid{grid-template-columns:repeat(2,1fr)}#hifine-ai-widget 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