@import "https://1.www.s81c.com/common/carbon/plex/sans.css";@import "https://1.www.s81c.com/common/carbon/plex/mono.css";:root{--bg:#fff;--bg-secondary:#f4f4f4;--bg-card:#fff;--bg-card-hover:#f0f0f0;--text:#161616;--text-secondary:#525252;--text-muted:#8d8d8d;--border:#e0e0e0;--blue:#0f62fe;--purple:#8a3ffc;--gradient:linear-gradient(135deg, #0f62fe, #8a3ffc);--gradient-btn:linear-gradient(135deg, #6929c4, #0f62fe);--nav-bg:#ffffffd9;--hero-glow1:#0f62fe0f;--hero-glow2:#8a3ffc0a;--video-border:#e0e0e0;--video-bg:#f4f4f4}[data-theme=dark]{--bg:#0d0d0d;--bg-secondary:#111;--bg-card:#161616;--bg-card-hover:#1e1e1e;--text:#f4f4f4;--text-secondary:#c6c6c6;--text-muted:#8d8d8d;--border:#393939;--blue:#4589ff;--purple:#a56eff;--gradient:linear-gradient(135deg, #4589ff, #a56eff);--gradient-btn:linear-gradient(135deg, #6e3fcc, #4589ff);--nav-bg:#0d0d0dd9;--hero-glow1:#4589ff1f;--hero-glow2:#a56eff14;--video-border:#2a2a2a;--video-bg:#0a0a0a}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:IBM Plex Sans,-apple-system,sans-serif;line-height:1.6;transition:background .3s,color .3s;overflow-x:hidden}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}.chat-fab{z-index:1000;background:var(--gradient-btn);cursor:pointer;color:#fff;border:none;border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;font-size:24px;transition:transform .2s,box-shadow .2s;display:flex;position:fixed;bottom:24px;right:24px;box-shadow:0 4px 20px #4589ff66}.chat-fab:hover{transform:scale(1.08);box-shadow:0 6px 28px #4589ff80}.chat-widget-container{z-index:1000;align-items:flex-end;gap:0;display:flex;position:fixed;bottom:24px;right:24px}.chat-emotion{flex-direction:column;flex-shrink:0;align-items:center;gap:6px;display:flex}.chat-emotion img{object-fit:cover;object-position:center;filter:drop-shadow(0 4px 20px #00000026);width:300px;height:300px;transition:opacity .3s;animation:.3s emotion-pop}@keyframes emotion-pop{0%{opacity:.5;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.chat-emotion-label{color:var(--text-muted);background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:2px 10px;font-family:IBM Plex Mono,monospace;font-size:11px}.chat-panel{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;flex-direction:column;width:380px;height:560px;transition:background .3s,border-color .3s;display:flex;overflow:hidden;box-shadow:0 12px 48px #0006}.chat-header{background:var(--gradient-btn);flex-shrink:0;justify-content:space-between;align-items:center;padding:14px 16px;display:flex}.chat-header-left{align-items:center;gap:10px;display:flex}.chat-header-avatar{background:#fff3;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.chat-header-avatar img{width:24px;height:24px}.chat-header-info h4{color:#fff;margin:0;font-size:14px;font-weight:600}.chat-header-info p{color:#fffc;margin:0;font-size:11px}.chat-status{align-items:center;gap:4px;display:flex}.chat-status-dot{background:#4ade80;border-radius:50%;width:7px;height:7px}.chat-status-dot.offline{background:#888}.chat-close{color:#fff;cursor:pointer;background:#ffffff26;border:none;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:16px;display:flex}.chat-close:hover{background:#ffffff4d}.chat-voice-bar{border-bottom:1px solid var(--border);background:#4589ff14;flex-shrink:0;justify-content:space-between;align-items:center;padding:8px 16px;display:flex}.chat-voice-bar span{color:var(--text-muted);font-size:12px}.chat-voice-btn{cursor:pointer;border:none;border-radius:14px;padding:4px 12px;font-size:11px;font-weight:600}.chat-voice-btn.connect{background:var(--gradient-btn);color:#fff}.chat-voice-btn.disconnect{color:#fff;background:#ef4444}.chat-voice-btn:disabled{opacity:.5;cursor:not-allowed}.chat-messages{scrollbar-width:thin;scrollbar-color:var(--border) transparent;flex-direction:column;flex:1;gap:12px;padding:16px;display:flex;overflow-y:auto}.chat-msg{flex-direction:column;max-width:82%;display:flex}.chat-msg.bot{align-self:flex-start}.chat-msg.user{align-self:flex-end}.chat-msg .bubble{word-wrap:break-word;border-radius:16px;padding:10px 14px;font-size:13px;line-height:1.6}.chat-msg.bot .bubble{background:var(--bg-card-hover);color:var(--text);border:1px solid var(--border);border-bottom-left-radius:4px}.chat-msg.user .bubble{background:var(--gradient-btn);color:#fff;border-bottom-right-radius:4px}.chat-msg .time{color:var(--text-muted);margin-top:4px;padding:0 4px;font-size:10px}.chat-msg.user .time{text-align:right}.typing-dots{gap:4px;padding:2px 0;display:flex}.typing-dots span{background:var(--text-muted);border-radius:50%;width:7px;height:7px;animation:1.2s infinite typingBounce}.typing-dots span:nth-child(2){animation-delay:.2s}.typing-dots span:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-6px)}}.chat-input-area{border-top:1px solid var(--border);background:var(--bg);flex-shrink:0;align-items:center;gap:8px;padding:12px;display:flex}.chat-input{border:1px solid var(--border);background:var(--bg-card);color:var(--text);border-radius:20px;outline:none;flex:1;padding:10px 14px;font-family:IBM Plex Sans,sans-serif;font-size:13px}.chat-input:focus{border-color:var(--blue)}.chat-input::placeholder{color:var(--text-muted)}.chat-send{background:var(--gradient-btn);color:#fff;cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;font-size:16px;display:flex}.chat-send:hover{opacity:.9}.chat-mic{border:2px solid var(--border);width:38px;height:38px;color:var(--text-muted);cursor:pointer;background:0 0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:16px;display:flex}.chat-mic.active{color:#fff;background:#4ade80;border-color:#4ade80;animation:1s infinite pulse-mic}@keyframes pulse-mic{0%,to{box-shadow:0 0 #4ade8066}50%{box-shadow:0 0 0 8px #4ade8000}}@media (width<=768px){.chat-widget-container{flex-direction:column;bottom:8px;right:8px}.chat-emotion img{width:160px}.chat-panel{width:calc(100vw - 16px);height:400px}}@media (width<=480px){.chat-emotion{display:none}.chat-panel{border-radius:12px;width:calc(100vw - 16px);height:calc(100vh - 80px)}}.nav{z-index:100;background:var(--nav-bg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;height:56px;padding:0 40px;transition:background .3s,border-color .3s;display:flex;position:sticky;top:0}.nav-logo{color:var(--text);align-items:center;gap:8px;font-size:16px;font-weight:600;text-decoration:none;display:flex}.nav-logo img{width:28px;height:28px}.nav-right{align-items:center;gap:20px;display:flex}.nav-links{align-items:center;gap:24px;display:flex}.nav-links a{color:var(--text-secondary);font-size:14px;transition:color .15s}.nav-links a:hover{color:var(--text);text-decoration:none}.nav-links .external:after{content:" ↗";font-size:11px}.btn-download-nav{background:var(--gradient-btn);cursor:pointer;border:none;border-radius:6px;padding:6px 16px;font-size:13px;font-weight:500;color:#fff!important}.btn-download-nav:hover{opacity:.9;text-decoration:none}.btn-login{border:1px solid var(--border);color:var(--text);cursor:pointer;background:0 0;border-radius:6px;padding:6px 16px;font-size:13px;font-weight:500}.theme-toggle{border:1px solid var(--border);width:36px;height:36px;color:var(--text-muted);cursor:pointer;background:0 0;border-radius:8px;justify-content:center;align-items:center;font-size:16px;display:flex}.hero{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:90vh;padding:80px 24px 60px;display:flex;position:relative;overflow:hidden}.hero-bg{z-index:0;background:radial-gradient(ellipse 80% 60% at 50% 40%, var(--hero-glow1), transparent 70%), radial-gradient(ellipse 60% 50% at 30% 60%, var(--hero-glow2), transparent 60%);position:absolute;inset:0}.hero-illustration{z-index:1;margin-bottom:40px;position:relative}.hero-illustration img{width:100%;max-width:700px;height:auto}[data-theme=light] .hero-illustration-dark{display:none}[data-theme=light] .hero-illustration-light{display:block}[data-theme=dark] .hero-illustration-light{display:none}[data-theme=dark] .hero-illustration-dark{display:block}.hero-content{z-index:1;max-width:800px;position:relative}.hero h1{color:var(--text);margin-bottom:20px;font-size:clamp(32px,4vw,48px);font-weight:600;line-height:1.2}.hero p{color:var(--text-secondary);max-width:580px;margin:0 auto 32px;font-size:18px;line-height:1.7}.hero-buttons{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.btn-primary{background:var(--gradient-btn);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:12px 28px;font-size:15px;font-weight:500;transition:opacity .15s,transform .15s}.btn-primary:hover{opacity:.9;color:#fff;text-decoration:none;transform:translateY(-1px)}.btn-secondary{color:var(--text);border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:8px;padding:12px 28px;font-size:15px;font-weight:500}.btn-secondary:hover{background:var(--bg-card);text-decoration:none}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-12px)}}.section{max-width:1200px;margin:0 auto;padding:100px 40px}.section-header{text-align:center;margin-bottom:64px}.section-header h2{margin-bottom:16px;font-size:36px;font-weight:600}.showcase-item{opacity:0;align-items:center;gap:56px;margin-bottom:100px;transition:opacity .7s,transform .7s;display:flex;transform:translateY(40px)}.showcase-item.visible{opacity:1;transform:translateY(0)}.showcase-item.reverse{flex-direction:row-reverse}.showcase-text{flex:1}.showcase-text .feature-icon{background:var(--gradient);color:#fff;border-radius:10px;justify-content:center;align-items:center;width:44px;height:44px;margin-bottom:16px;font-size:20px;display:flex}.showcase-text h3{margin-bottom:14px;font-size:26px;font-weight:600}.showcase-text p{color:var(--text-secondary);font-size:15px;line-height:1.8}.showcase-media{border:1px solid var(--video-border);background:var(--video-bg);border-radius:16px;flex:1;overflow:hidden;box-shadow:0 8px 40px #0003}.showcase-media video,.showcase-media img{width:100%;display:block}.testimonials{background:linear-gradient(#0000,#4589ff05,#0000);padding:100px 40px}.testimonials-inner{max-width:1200px;margin:0 auto}.testimonial-track-wrapper{overflow:hidden}.testimonial-track{gap:24px;animation:30s linear infinite scroll-testimonials;display:flex}.testimonial-track:hover{animation-play-state:paused}@keyframes scroll-testimonials{0%{transform:translate(0)}to{transform:translate(-50%)}}.testimonial-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;flex-shrink:0;min-width:380px;padding:28px}.testimonial-card:hover{border-color:#4589ff4d}.testimonial-card blockquote{color:var(--text-secondary);margin-bottom:20px;font-size:14px;font-style:italic;line-height:1.8}.testimonial-author{align-items:center;gap:12px;display:flex}.testimonial-avatar{object-fit:cover;border:2px solid var(--border);border-radius:50%;width:44px;height:44px}.testimonial-info h4{font-size:14px;font-weight:600}.testimonial-info p{color:var(--text-muted);margin:0;font-size:12px}.cta{text-align:center;padding:100px 40px}.cta h2{margin-bottom:16px;font-size:36px;font-weight:600}.cta p{color:var(--text-secondary);margin-bottom:32px;font-size:16px}.footer{border-top:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;max-width:1200px;margin:0 auto;padding:40px;display:flex}.footer-logo{color:var(--text);align-items:center;gap:8px;font-size:14px;font-weight:600;display:flex}.footer-logo img{width:24px}.footer-links{flex-wrap:wrap;gap:20px;display:flex}.footer-links a{color:var(--text-muted);font-size:13px}.footer-links a:hover{color:var(--text)}.footer-social{gap:12px;display:flex}.footer-social a{background:var(--bg-card);border:1px solid var(--border);width:32px;height:32px;color:var(--text-muted);border-radius:6px;justify-content:center;align-items:center;font-size:14px;display:flex}.footer-social a:hover{border-color:var(--blue);color:var(--blue);text-decoration:none}@media (width<=768px){.nav{padding:0 16px}.nav-links{display:none}.hero{min-height:70vh;padding:60px 16px 40px}.section{padding:60px 16px}.showcase-item,.showcase-item.reverse{gap:32px;flex-direction:column!important}.testimonial-card{min-width:300px}.footer{text-align:center;flex-direction:column}}