:root{--bg-1: #ffffff;--bg-2: #eaf4fb;--bg-3: #fce9ee;--bg-4: #fdf6e6;--accent: #6ca6d9;--accent-soft: #a7cdea;--text: #33485d;--text-soft: #6b7f92;--panel: #ffffff;--shadow: 0 20px 60px rgba(70, 110, 150, .25);--radius: 20px}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden;font-family:Nunito,Quicksand,Segoe UI,system-ui,sans-serif;color:var(--text);background:radial-gradient(circle at 20% 20%,var(--bg-2),transparent 60%),radial-gradient(circle at 80% 30%,var(--bg-3),transparent 55%),radial-gradient(circle at 50% 90%,var(--bg-4),transparent 55%),linear-gradient(180deg,#fff,#f4f9fd);-webkit-tap-highlight-color:transparent;touch-action:none}.loader{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;background:linear-gradient(135deg,#fff,#eaf4fb 45%,#fce9ee);transition:opacity .6s ease,visibility .6s ease}.loader.hidden{opacity:0;visibility:hidden;pointer-events:none}.spinner{width:56px;height:56px;border-radius:50%;border:5px solid rgba(108,166,217,.2);border-top-color:var(--accent);animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loader-text{font-size:1.05rem;letter-spacing:.5px;color:var(--text-soft);font-weight:600}#scene-container{position:fixed;top:0;right:0;bottom:0;left:0}#scene-container canvas{display:block;touch-action:none}.tooltip{position:fixed;z-index:50;transform:translate(-50%,-140%);padding:8px 16px;background:#fffffff5;border:2px solid var(--accent-soft);color:var(--text);border-radius:999px;font-size:.95rem;font-weight:700;letter-spacing:.3px;box-shadow:0 8px 24px #466e9633;pointer-events:none;opacity:0;transition:opacity .18s ease,transform .18s ease;white-space:nowrap}.tooltip.visible{opacity:1;transform:translate(-50%,-160%)}.modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}.modal.open{opacity:1;visibility:visible}.modal-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#b4cde173;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.modal-panel{position:relative;width:min(680px,100%);max-height:min(85vh,720px);background:var(--panel);border-radius:var(--radius);box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden;transform:translateY(20px) scale(.97);transition:transform .3s cubic-bezier(.2,.9,.3,1.2)}.modal.open .modal-panel{transform:translateY(0) scale(1)}.modal-close{position:absolute;top:14px;right:14px;width:40px;height:40px;border-radius:50%;border:none;background:#6ca6d91f;color:var(--text);font-size:1.6rem;line-height:1;cursor:pointer;transition:background .2s ease,transform .2s ease;z-index:2}.modal-close:hover{background:#6ca6d940;transform:rotate(90deg)}.modal-header{padding:32px 32px 18px;border-bottom:1px solid rgba(108,166,217,.15);flex-shrink:0}.modal-icon{font-size:2.2rem;margin-bottom:8px}.modal-header h2{font-size:1.6rem;font-weight:800;color:var(--text)}.modal-subtitle{color:var(--text-soft);font-size:.95rem;margin-top:4px;font-weight:600}.modal-body{padding:22px 32px 32px;overflow-y:auto;-webkit-overflow-scrolling:touch;flex:1}.modal-body::-webkit-scrollbar{width:8px}.modal-body::-webkit-scrollbar-thumb{background:var(--accent-soft);border-radius:8px}.card{background:linear-gradient(180deg,#fff,#f7fbfe);border:1px solid rgba(108,166,217,.2);border-radius:14px;padding:16px 18px;margin-bottom:14px}.card h3{font-size:1.05rem;font-weight:800;color:var(--text);margin-bottom:4px}.card .meta{font-size:.82rem;color:var(--accent);font-weight:700;margin-bottom:8px;letter-spacing:.3px}.card p{font-size:.92rem;color:var(--text-soft);line-height:1.5}.card-icon{font-size:1.4rem;margin-right:8px}@media (max-width: 520px){.modal-header{padding:26px 20px 14px}.modal-body{padding:16px 20px 24px}.modal-header h2{font-size:1.3rem}}