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btmBubbleShow{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.btm-help-close{position:absolute;top:5px;right:5px;width:28px;height:28px;border:none;background:none;color:#333;font-size:14px;font-weight:bold;cursor:pointer}.btm-help-inner{overflow-y:auto;max-height:60vh;scrollbar-width:thin;scrollbar-color:#ccc #f9f9f9}.btm-help-inner::-webkit-scrollbar{width:6px}.btm-help-inner::-webkit-scrollbar-thumb{background-color:#bbb;border-radius:3px}.btm-help-inner::-webkit-scrollbar-track{background-color:#f9f9f9}@media (min-width:901px) and (max-width:1200px){.btm-help-popup{bottom:55px;right:2px}}@media (max-width:900px){.btm-help-popup{bottom:150px;right:0px}.btm-help-bubble{width:320px;max-width:90vw}}@media (max-width:600px){.btm-help-popup{bottom:135px;right:5px}}.btm-twocol-da-container{display:flex;align-items:center;justify-content:flex-end;gap:10px;position:relative}.btm-twocol-da-btn{background:#fcfcfc;color:#545454;font-weight:700;border:none;border-radius:6px;padding:8px 14px;font-size:15px;cursor:pointer;box-shadow:0 3px 6px rgba(0,0,0,0.15);transition:all 0.2s ease}.btm-twocol-da-btn.active{background:#f1f1f1;color:#000;box-shadow:0 4px 8px rgba(0,0,0,0.2)}.btm-da-popup{position:absolute;top:calc(100% + 10px);right:0;background:#F9F9F9;border:1px solid #ddd;box-shadow:0 6px 18px rgba(0,0,0,0.15);border-radius:8px;padding:16px;min-width:280px;z-index:300;opacity:0;transform:translateY(-10px);pointer-events:none;transition:opacity 0.25s ease,transform 0.25s ease}.btm-da-popup.show{opacity:1;transform:translateY(0);pointer-events:auto}.btm-da-popup [data-panel]{display:none}.btm-da-popup [data-panel].is-active{display:block}.btm-title-header{display:flex;align-items:center;justify-content:center;gap:8px}h1.btm-template-page-title{font-size:22px;font-weight:700;line-height:1;margin:0}.btm-description-trigger{background:none;border:none;cursor:pointer;color:#555;padding:2px;line-height:1}.btm-description-trigger:hover{color:#1771a1}.btm-ui-icon{width:28px;height:28px;display:block;margin-top:3px}@media (max-width:600px){h1.btm-template-page-title{font-size:18px}.btm-ui-icon{width:24px;height:24px;margin-top:3px}}@media (min-width:601px) and (max-width:900px){h1.btm-template-page-title{font-size:28px}}@media (min-width:901px) and (max-width:1200px){.btm-ui-icon{margin-top:0}}@media (min-width:1201px){}#btm-paper-size-preview{position:absolute;top:5px;left:5px;background:rgba(255,255,255,0.8);box-shadow:0 2px 5px rgba(0,0,0,0.07);border-radius:6px;z-index:20;padding:6px 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