.intro-section{width:100%;background-color:#fff;padding:2rem 0;margin-bottom:2rem}.intro-content{max-width:1400px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;gap:2rem;padding:0 1rem}.intro-text{flex:1 1;min-width:300px}.intro-text h2{font-size:1.75rem;margin-bottom:1rem}.intro-text p{text-align:left;margin-bottom:1rem;line-height:1.5}.intro-image{flex:1 1;min-width:300px;text-align:center}.intro-image img{max-width:100%;border-radius:8px;box-shadow:0 4px 6px rgba(0,0,0,.1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,sans-serif;background:#f0f2f5;color:#333}.site-header{background:#233046;color:#fff;padding:1rem 2rem;text-align:center}.logo{font-weight:700;font-size:1.5rem;letter-spacing:1px}.navbar{display:flex;align-items:center;justify-content:space-between;background:#233046;padding:1rem 2rem}.nav-left h2{color:#fff;margin:0}.nav-right a{margin-left:1rem;color:#fff;text-decoration:none;font-weight:500}.nav-right a:hover{text-decoration:underline}footer{background:#233046;color:#fff;text-align:center;padding:1rem;margin-top:2rem;border-radius:8px}.main-content{max-width:1400px;margin:2rem auto;background:#fff;padding:2rem;border-radius:8px;box-shadow:0 4px 6px rgba(0,0,0,.1)}.chart-section{margin-top:2rem;width:100%}.chart-controls{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:1.5rem;justify-content:center;align-items:center}input[type=checkbox],select{margin-right:6px}select{padding:.5rem;border:1px solid #ccc;border-radius:4px;font-size:1rem}input[type=checkbox]{width:20px;height:20px;accent-color:#233046}button{padding:.8rem 1.2rem;border:2px solid transparent;border-radius:8px;background-color:#233046;color:#fff;font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s ease}button:hover{background-color:#78a0e6;border-color:#a0a4aa;box-shadow:0 0 10px hsla(216,6%,65%,.5)}button:focus{outline:none;border-color:#b1c8e9;box-shadow:0 0 5px hsla(216,6%,65%,.8)}h1,h2,h3,p{margin-bottom:1rem}.text-center,h1,h2,h3,p{text-align:center}.mt-2{margin-top:2rem}.mb-2{margin-bottom:2rem}.interactive{border-radius:8px;box-shadow:0 2px 5px rgba(0,0,0,.1);transition:box-shadow .3s ease}.interactive:hover{box-shadow:0 4px 10px rgba(0,0,0,.2)}.stat-container{display:flex;flex-wrap:wrap;gap:2rem;max-width:1400px;margin:0 auto;padding:1rem}.stat-left{flex:2 1;min-width:300px;height:auto;overflow-y:auto}.stat-left,.stat-right{background:#fafafa;padding:1rem;border-radius:8px;box-shadow:0 2px 5px rgba(0,0,0,.1)}.stat-right{flex:1 1;min-width:250px;display:flex;flex-direction:column;position:-webkit-sticky;position:sticky;top:20px;height:-moz-fit-content;height:fit-content}.stat-image{max-width:100%;height:auto;margin-bottom:1rem;border:1px solid #ddd;border-radius:4px}@media (max-width:768px){.stat-container{flex-direction:column}.stat-left,.stat-right{width:100%;min-width:100%}.stat-right{position:relative;top:auto;margin-bottom:1rem}}.period-selection{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));grid-gap:.5rem;gap:.5rem;margin-bottom:1.5rem}.stat-image-container{max-height:80vh;overflow-y:auto;padding-right:10px}.image-wrapper{margin-bottom:2rem;background:#fff;padding:1rem;border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,.1)}.image-caption{font-weight:700;margin-bottom:.5rem;font-size:.9rem}html{scroll-behavior:smooth}.loading-spinner{width:36px;height:36px;border-radius:50%;border:4px solid rgba(0,0,0,.1);border-left-color:#233046;animation:spin 1s ease infinite}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}