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script> const audio = document.getElementById('bgAudio'); const control = document.getElementById('audioControl'); let isPlaying = false; control.addEventListener('click', () => { if (!isPlaying) { audio.play().then(() => { isPlaying = true; control.textContent = '🔊'; }).catch(() => { alert('Klik ulang jika musik belum dimulai (browser blokir autoplay)'); }); } else { audio.pause(); isPlaying = false; control.textContent = '🔈'; } });