.hd-demo{--hd-app-bg: #f3f4f5;--hd-panel-bg: #ffffff;--hd-panel-border: rgba(0, 0, 0, .08);--hd-text-strong: #141414;--hd-text-muted: #6b7280;--hd-brand: #2ee8c7;--hd-brand-strong: #12c8aa;--hd-shadow-card: 0 10px 30px rgba(0, 0, 0, .08);font-family:OPPO Sans,Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--hd-text-strong);background:var(--hd-app-bg);font-size:13px;line-height:1.5;letter-spacing:0}.hd-topbar{height:32px;min-height:32px;display:flex;align-items:center;justify-content:space-between;padding:0 12px;background:var(--hd-app-bg);border-bottom:1px solid rgba(0,0,0,.03)}.hd-topbar-left{display:flex;align-items:center;gap:10px;min-width:0}.hd-app-name{font-size:12px;font-weight:600;color:var(--hd-text-strong);letter-spacing:.01em}.hd-proj-sep{color:var(--hd-text-muted);opacity:.4;font-size:12px}.hd-proj-name{color:var(--hd-text-muted);font-size:11px;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hd-titlebar-btns{display:flex;align-items:center;gap:2px}.hd-titlebar-btn{width:26px;height:22px;display:inline-flex;align-items:center;justify-content:center;color:var(--hd-text-muted);border-radius:4px;transition:background .15s}.hd-titlebar-btn:hover{background:#0000000d;color:var(--hd-text-strong)}.hd-titlebar-btn.is-close:hover{background:#e81123;color:#fff}.hd-sidebar{position:absolute;top:50%;left:12px;transform:translateY(calc(-50% - 20px));z-index:10;pointer-events:none}.hd-sidebar-card{display:flex;flex-direction:column;gap:2px;padding:6px;background:#fffffff2;border:1px solid rgba(0,0,0,.06);border-radius:14px;box-shadow:0 2px 12px #00000014;pointer-events:auto;backdrop-filter:blur(4px)}.hd-sidebar-btn{width:32px;height:32px;border:none;background:transparent;color:var(--hd-text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:9px;transition:all .15s;position:relative}.hd-sidebar-btn:hover{background:#0000000d;color:var(--hd-text-strong)}.hd-sidebar-btn.is-active{background:#0000000f;color:var(--hd-text-strong)}.hd-sidebar-btn .hd-notify-dot{position:absolute;top:4px;right:4px;width:7px;height:7px;background:#ff3b30;border-radius:50%;border:1.5px solid #fff;animation:hd-notify-pulse 2s infinite}@keyframes hd-notify-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.8;transform:scale(1.15)}}.hd-sidebar-sep{height:1px;margin:2px 6px;background:#0000000f}.hd-user-status{position:absolute;bottom:14px;left:16px;z-index:11;display:flex;align-items:center;gap:8px}.hd-user-avatar{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,#a08070,#8a6b5c);display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;font-weight:600;box-shadow:0 2px 8px #0000001f}.hd-credit-chip{display:inline-flex;align-items:center;gap:3px;height:22px;font-size:10px;font-weight:600;color:var(--hd-text-strong)}.hd-credit-chip svg{color:#f59e0b}.hd-canvas-area{flex:1;position:relative;overflow:hidden;background:var(--hd-app-bg);background-image:radial-gradient(rgba(0,0,0,.05) 1px,transparent 1px);background-size:18px 18px;background-position:0 0}.hd-canvas-hint{position:absolute;top:12px;left:50%;transform:translate(-50%);font-size:10px;color:var(--hd-text-muted);background:#ffffffd9;padding:3px 10px;border-radius:999px;border:1px solid rgba(0,0,0,.05);letter-spacing:.02em}.hd-canvas-image{position:absolute;border-radius:10px;overflow:hidden;box-shadow:0 4px 14px #0000001a,0 0 0 1px #0000000a;background:#fff}.hd-canvas-image.is-target-hover{box-shadow:0 0 0 2px #2ee8c7,0 6px 20px #2ee8c759}.hd-canvas-image-placeholder{border-radius:10px;border:1.5px dashed rgba(46,232,199,.5);background:#2ee8c70f;display:flex;align-items:center;justify-content:center;color:#12c8aa;font-size:10px;font-weight:500}.hd-image-label{position:absolute;inset-inline:0;bottom:0;padding:3px 8px;background:linear-gradient(to top,rgba(0,0,0,.55),transparent);color:#fff;font-size:10px;font-weight:500;letter-spacing:.01em}.hd-canvas-image.is-result{box-shadow:0 0 0 2px #12c8aa,0 8px 28px #2ee8c773}.hd-bottom-chat-wrap{position:absolute;bottom:16px;left:0;right:0;margin:0 auto;padding:0 12px;max-width:480px;z-index:12;pointer-events:none}.hd-bottom-chat{position:relative;width:100%;background:#fff;border:1px solid rgba(0,0,0,.1);border-radius:16px;box-shadow:0 2px 16px #00000014,0 0 0 1px #0000000a;padding:10px 12px;display:flex;flex-direction:column;gap:8px;pointer-events:auto}.hd-agent-bar{display:flex;align-items:center;gap:6px;padding:3px 6px;border-radius:9px;background:#2ee8c714;color:var(--hd-brand-strong);font-size:10px;font-weight:500;letter-spacing:.01em;align-self:flex-start}.hd-agent-bar-icon{width:12px;height:12px;border-radius:50%;background:var(--hd-brand);box-shadow:0 0 0 2px #2ee8c740}.hd-chat-input{min-height:22px;display:flex;flex-wrap:wrap;align-items:center;gap:4px;padding:2px 0;font-size:12px;color:var(--hd-text-strong)}.hd-chat-placeholder{color:var(--hd-text-muted)}.hd-caret{display:inline-block;width:1px;height:13px;background:var(--hd-text-strong);margin-left:1px;vertical-align:middle}.hd-prompt-text{font-size:12px;color:var(--hd-text-strong);white-space:nowrap;line-height:20px;vertical-align:middle}.hd-chip{display:inline-flex;align-items:center;gap:3px;height:20px;padding:0 5px 0 2px;margin:1px;border-radius:5px;background:#0000000d;border:1px solid rgba(0,0,0,.12);vertical-align:middle;line-height:1}.hd-chip-thumb{width:16px;height:16px;border-radius:3px;flex-shrink:0}.hd-chip-label{font-size:10px;font-weight:500;color:var(--hd-text-strong);white-space:nowrap}.hd-chip-x{width:12px;height:12px;display:inline-flex;align-items:center;justify-content:center;color:var(--hd-text-muted);font-size:9px}.hd-toolbar{display:flex;align-items:center;gap:4px;flex-wrap:nowrap;padding-right:52px;overflow:hidden}.hd-toolbar-pill{display:inline-flex;align-items:center;gap:3px;height:22px;padding:0 7px;border-radius:999px;border:1px solid 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0}.hd-progress-bar{height:100%;background:linear-gradient(90deg,var(--hd-brand),var(--hd-brand-strong));border-radius:999px}.hd-progress-text{display:flex;align-items:center;gap:6px;margin-top:4px;font-size:10px;color:var(--hd-text-muted)}.hd-progress-text .hd-progress-tag{color:var(--hd-brand-strong);font-weight:600}.hd-live-badge{position:absolute;right:12px;top:40px;z-index:13;display:inline-flex;align-items:center;gap:5px;height:20px;padding:0 8px;background:#ffffffeb;border:1px solid rgba(0,0,0,.06);border-radius:999px;font-size:9px;font-weight:600;letter-spacing:.04em;color:var(--hd-text-muted);box-shadow:0 1px 4px #0000000a}.hd-live-dot{position:relative;display:inline-flex;width:6px;height:6px}.hd-live-dot:before{content:"";position:absolute;inset:0;border-radius:50%;background:var(--hd-brand);animation:hd-live-ping 1.6s cubic-bezier(0,0,.2,1) infinite;opacity:.7}.hd-live-dot:after{content:"";position:absolute;inset:0;border-radius:50%;background:var(--hd-brand)}@keyframes hd-live-ping{75%,to{transform:scale(2.2);opacity:0}}.hd-context-menu{position:absolute;min-width:180px;padding:4px;background:#fff;border-radius:8px;box-shadow:0 8px 28px #00000029,0 0 0 1px #0000000f;z-index:30;font-size:12.5px;color:#141414;-webkit-user-select:none;-moz-user-select:none;user-select:none;transform-origin:top left}.hd-context-menu-item{position:relative;overflow:hidden;display:flex;align-items:center;gap:8px;width:100%;height:30px;padding:0 10px;border:none;border-radius:5px;background:transparent;color:inherit;font-size:12.5px;font-weight:500;text-align:left;cursor:pointer;transition:background .12s ease,color .12s ease}.hd-context-menu-item>svg{flex-shrink:0;color:#4b5563;opacity:.95}.hd-context-menu-item.is-highlighted{background:#f5f5f5}.hd-context-menu-item.is-highlighted>svg{color:#141414}.hd-context-menu-item.is-danger{color:#dc2626}.hd-context-menu-item.is-danger>svg{color:#dc2626}.hd-context-menu-item.is-danger.is-highlighted{background:#dc262614}.hd-context-menu-label{flex:1;min-width:0;letter-spacing:.01em;white-space:nowrap}.hd-context-menu-shortcut{flex-shrink:0;height:16px;padding:0 5px;background:#0000000d;border-radius:3px;font-family:SF Mono,Monaco,Consolas,monospace;font-size:10px;font-weight:500;color:#6b7280;line-height:16px}.hd-context-menu-item.is-highlighted .hd-context-menu-shortcut{background:#00000014;color:#374151}.hd-context-menu-divider{display:block;height:1px;margin:4px 8px;background:#00000012}.hd-context-menu-ripple{position:absolute;left:50%;top:50%;width:80%;height:140%;border-radius:50%;background:radial-gradient(circle,#3b82f652,#3b82f600 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rgba(0,0,0,.1))}.hd-canvas-placeholder-wrapper{z-index:4;pointer-events:none}.hd-placeholder-card{position:relative;width:100%;height:100%;border-radius:6px;background:linear-gradient(135deg,#6366f124,#a855f724);border:1px solid rgba(99,102,241,.18);display:flex;align-items:center;justify-content:center;overflow:hidden;transform-origin:center center;box-shadow:0 4px 16px #6366f11f}.hd-placeholder-content{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center;padding:8px 10px}.hd-cube-spinner{width:22px;height:22px;position:relative;animation:hd-cube-spin 2s infinite ease-in-out;transform-style:preserve-3d;margin-bottom:2px}.hd-cube-spinner>div{height:100%;position:absolute;width:100%;border:1.5px solid rgba(99,102,241,.7);background:#6366f114}.hd-cube-spinner div:nth-of-type(1){transform:translateZ(-11px) rotateY(180deg)}.hd-cube-spinner div:nth-of-type(2){transform:rotateY(-270deg) translate(50%);transform-origin:top 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8px);left:0;min-width:188px;max-width:220px;background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:12px;box-shadow:0 12px 32px -8px #0003,0 0 0 1px #00000005;padding:6px;z-index:30;overflow:hidden;cursor:default}.pbd-dropdown__list{position:relative}.pbd-dropdown__list-inner{display:flex;flex-direction:column;gap:2px}.pbd-dropdown__item{height:34px;display:flex;align-items:center;padding:0 12px;border-radius:8px;transition:background-color .15s;color:#1a1a1a;font-size:13px;gap:8px}.pbd-dropdown__item.is-hover{background:#0000000a}.pbd-dropdown__item-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#1a1a1a;font-weight:400}.pbd-dropdown__item-check{margin-left:auto;color:#000000a6}.pbd-model-icon{flex:none;width:14px;height:14px;color:#1a1a1a;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.pbd-model-icon svg{display:block;width:100%;height:100%}.pbd-model-icon--badge{width:16px;height:16px;border-radius:50%;color:#fff;font-size:9px;font-weight:700;line-height:1;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.pbd-dropdown__tabs{display:flex;gap:4px;padding:6px 6px 2px;border-top:1px solid rgba(0,0,0,.06);margin-top:4px}.pbd-dropdown__tab{flex:1;height:30px;border:none;background:transparent;color:#0000008c;font-size:12px;font-weight:500;border-radius:8px;cursor:default;display:inline-flex;align-items:center;justify-content:center;gap:4px;transition:background-color .15s,color .15s}.pbd-dropdown__tab.is-hover{background:#0000000a}.pbd-dropdown__tab.is-active{background:#0000000f;color:#1a1a1a}@media(max-width:540px){.pbd-copy{top:8%;width:min(88%,420px);gap:8px}.pbd-copy__eyebrow{padding:5px 11px;font-size:10px;letter-spacing:.16em}.pbd-copy__title{font-size:clamp(24px,8vw,34px)}.pbd-copy__description{font-size:12px;line-height:1.55}.pbd-bar{width:92%;padding:12px 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