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var(--hk-amber);outline-offset:3px;border-radius:var(--hk-radius)}.guide-help{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 14px;padding:12px 14px;background:var(--hk-paper);border:1px solid var(--hk-line);border-radius:var(--hk-radius)}.guide-help-text{margin:0 auto 0 0;font-size:13px;color:var(--hk-ink)}.guide-help-btn{padding:6px 12px;border:1px solid var(--hk-line);border-radius:var(--hk-radius);background:var(--hk-panel);color:var(--hk-ink);font-size:13px;cursor:pointer}.guide-help-btn:hover{background:var(--hk-paper-2)}@media(prefers-reduced-motion:reduce){.ob-slide--fwd,.ob-slide--back,.tip-bubble{animation:none}.ob-dot:before{transition:none}}.tut-backdrop{position:fixed;inset:0;z-index:1200;display:flex;align-items:center;justify-content:center;padding:16px;background:#0b1b2e8c}.tut-dialog{width:min(1180px,100%);height:min(860px,100%);display:flex;flex-direction:column;gap:12px;padding:16px 20px 14px;background:#fff;color:var(--hk-ink);border:1px solid 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var(--hk-line);border-radius:8px;background:#fff;color:var(--hk-ink);font:inherit;font-size:13px;cursor:pointer}.tut-btn:disabled{opacity:.45;cursor:default}.tut-btn:not(:disabled):hover{border-color:var(--hk-pine);color:var(--hk-pine)}.tut-btn--primary{min-width:108px;background:var(--hk-pine);border-color:var(--hk-pine);color:#fff}.tut-btn--primary:not(:disabled):hover{background:#133659;color:#fff}.tut-btn:focus-visible,.tut-close:focus-visible,.tut-guide-btn:focus-visible{outline:2px solid var(--hk-pine);outline-offset:2px}.tut-progress{flex:1 1 160px;min-width:120px;height:4px;background:var(--hk-line);border-radius:2px;overflow:hidden}.tut-progress i{display:block;height:100%;background:var(--hk-pine);transition:width .3s ease}.tut-keys{margin:0;font-size:11.5px;color:var(--hk-ink-soft)}.tut-stage{position:absolute;left:0;top:0;transform-origin:0 0;overflow:hidden;display:flex;background:var(--hk-paper);border:1px solid var(--hk-line);border-radius:8px;font-size:13.5px;-webkit-user-select:none;user-select:none}.tut-nav{flex:none;height:780px;width:210px;background:#0b1b2e;color:#c9d3dd}.tut-nav-group{padding:10px 24px 6px;font-size:12px;color:#c9d3dda6}.tut-nav-item{display:flex;align-items:center;gap:10px;margin:2px 6px;padding:9px 18px;border-radius:8px}.tut-nav-item.is-on{background:var(--hk-pine);color:#fff}.tut-main{flex:1 1 auto;height:780px;min-width:0;display:flex;flex-direction:column}.tut-top{flex:none;height:56px;display:flex;align-items:center;gap:12px;padding:0 16px;background:#fff;border-bottom:1px solid var(--hk-line)}.tut-demo-badge{padding:2px 10px;border:1px dashed var(--hk-amber);border-radius:999px;background:var(--hk-amber-soft);color:var(--hk-amber);font-size:11.5px;font-weight:600}.tut-content{flex:1 1 auto;min-height:0;overflow:hidden;padding:16px 20px 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#0000001f}.tut-modal-title{margin-bottom:12px;font-size:16px;font-weight:600}.tut-modal-foot{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.tut-dropdown{position:absolute;left:0;right:0;top:36px;z-index:2;padding:4px;background:#fff;border-radius:8px;box-shadow:0 6px 16px #0000001f}.tut-dropdown-item{padding:6px 12px;border-radius:4px;background:var(--hk-pine-soft)}.tut-toast{position:absolute;left:50%;top:70px;z-index:6;transform:translate(-50%);padding:9px 16px;border-radius:8px;background:#fff;box-shadow:0 6px 16px #0000001f;animation:tut-fade .25s ease-out}.tut-cursor{position:absolute;left:0;top:0;z-index:20;width:26px;height:26px;pointer-events:none;transition:transform .7s cubic-bezier(.4,.1,.2,1)}.tut-cursor svg{width:26px;height:26px;filter:drop-shadow(0 2px 3px rgba(20,31,44,.3))}.tut-cursor-ring{position:absolute;left:-11px;top:-11px;width:30px;height:30px;border:2px solid var(--hk-amber);border-radius:50%;opacity:0;animation:tut-ring .45s ease-out}@keyframes tut-ring{0%{opacity:1;transform:scale(.4)}to{opacity:0;transform:scale(1.4)}}@keyframes tut-fade{0%{opacity:0}to{opacity:1}}@keyframes tut-blink{50%{opacity:0}}.tut-player.is-reduced .tut-cursor,.tut-player.is-reduced .tut-progress i{transition:none}.tut-player.is-reduced .tut-cursor-ring{animation:none;opacity:0}.tut-player.is-reduced .tut-toast,.tut-player.is-reduced .tut-field.is-typing:after{animation:none}@media(prefers-reduced-motion:reduce){.tut-cursor,.tut-progress i{transition:none}.tut-cursor-ring,.tut-toast,.tut-field.is-typing:after{animation:none}}.tut-guide-entry{margin:0 0 12px}.tut-guide-btn{display:flex;align-items:center;gap:12px;width:100%;padding:10px 14px;border:1px solid var(--hk-line);border-left:3px solid var(--hk-pine);border-radius:8px;background:var(--hk-paper);color:var(--hk-ink);font:inherit;text-align:left;cursor:pointer}.tut-guide-btn:hover{border-color:var(--hk-pine)}.tut-guide-ic{flex:none;font-size:26px;color:var(--hk-pine)}.tut-guide-label{display:block;font-weight:600;font-size:13.5px}.tut-guide-hint{display:block;font-size:12px;color:var(--hk-ink-soft)}.tut-standalone{height:100%;display:flex;flex-direction:column;gap:10px;padding:18px 26px 14px;background:#fff;box-sizing:border-box}.tut-standalone .tut-keys,.tut-player.is-recording .tut-btn{display:none}