.sections-topicBase-1 { max-width: 400px; }
.sections-topicBase-2 { background: rgba(0, 0, 0, 0.6); border: none; }
.sections-topicBase-3 { position: absolute; top: 20px; right: 20px; z-index: 1050; background: transparent; }
.sections-topicBase-4 { position: relative; min-height: 100vh; }
.sections-topicBase-5 { left: 30px; z-index: 1040; font-size: 3rem; color: white; background: rgba(0,0,0,0.5); border-radius: 50%; width: 60px; height: 60px; display: flex; align-items-center; justify-content: center; }
.sections-topicBase-6 { right: 30px; z-index: 1040; font-size: 3rem; color: white; background: rgba(0,0,0,0.5); border-radius: 50%; width: 60px; height: 60px; display: flex; align-items-center; justify-content: center; }
.sections-topicBase-7 { position: absolute; top: 80px; left: 50%; transform: translateX(-50%); z-index: 1045; font-size: 1.2rem; color: white; background: rgba(0, 123, 255, 0.8); border: none; border-radius: 10px; padding: 12px 20px; display: none; cursor: pointer; }
.sections-topicBase-8 { max-width: 100%; max-height: 85vh; object-fit: contain; border-radius: 15px; box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5); display: none; }
.sections-topicBase-9 { display: none; position: relative; overflow: hidden; }
.sections-topicBase-10 { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; border-radius: 15px; pointer-events: none; }
.sections-topicBase-11 { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); color: white; background: rgba(0, 0, 0, 0.7); padding: 10px 20px; border-radius: 20px; font-size: 1.1rem; }