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rgba(0,0,0,.45)}.mobile-backdrop.show{display:block;position:fixed;inset:0;z-index:68;background:rgba(0,0,0,.55)}.sidebar-close{display:flex;position:absolute;top:12px;right:12px;width:30px;height:30px;align-items:center;justify-content:center;background:var(--bg-input);border:1px solid var(--border);color:var(--text-secondary);border-radius:6px;font-size:13px;cursor:pointer;z-index:2}.hero-content{padding:28px 22px}.hero-title{font-size:28px}.hero-hook{font-size:15px}.hero-sub{font-size:12px}.hero-actions{gap:10px}.about-modal{padding:24px 20px;max-height:88vh}.about-title{font-size:19px}.tour-card{bottom:14px;padding:14px 16px}.method-toggle{flex-wrap:wrap}.method-btn{flex:1 1 28%;min-width:60px;min-height:38px;font-size:10px}.anchor-input,.corpus-textarea,.text-input{font-size:16px}.layer-slider::-webkit-slider-thumb,.speed-slider::-webkit-slider-thumb{width:22px;height:22px}.layer-slider::-moz-range-thumb,.speed-slider::-moz-range-thumb{width:22px;height:22px;border:none}.sidebar-close{font-size:15px}.playback-btn,.sidebar-close{width:40px;height:40px}.anchor-remove-btn{width:32px;height:32px}.model-checkbox-name{min-width:0}.model-checkbox-note{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.about-modal{max-height:88dvh}}.sidebar::-webkit-scrollbar{width:4px}.sidebar::-webkit-scrollbar-track{background:transparent}.sidebar::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}