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infinite}.planet-ring:before{content:"";position:absolute;top:50%;left:50%;width:350px;height:350px;border:1px solid rgba(0,188,212,.3);border-radius:50%;transform:translate(-50%,-50%)}@keyframes float{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-20px) rotate(2deg)}}@keyframes rotate{0%{transform:translate(-50%,-50%) rotateX(70deg) rotate(0)}to{transform:translate(-50%,-50%) rotateX(70deg) rotate(360deg)}}@keyframes shimmer{0%,to{opacity:.3}50%{opacity:.8}}.hero-text{z-index:2}.hero-title{font-size:3rem;font-weight:700;margin-bottom:1rem;background:linear-gradient(45deg,var(--star-gold),var(--crystal-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 0 30px rgba(255,215,0,.3)}.hero-subtitle{font-size:1.5rem;color:var(--text-secondary);margin-bottom:1.5rem;font-weight:300}.hero-description{font-size:1.1rem;line-height:1.8;margin-bottom:2rem;color:var(--text-secondary)}.hero-buttons{display:flex;gap:1rem;flex-wrap:wrap}.btn{padding:.5rem 1.2rem;border:none;border-radius:25px;cursor:pointer;font-weight:500;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;transition:all .3s ease;font-size:.9rem;position:relative;overflow:hidden}.btn-small{padding:.4rem 1rem;font-size:.85rem}.btn-outline{background:transparent;color:var(--text-light);border:1px solid rgba(255,255,255,.3)}.btn-outline:hover{background:#ffffff1a;border-color:var(--star-gold);color:var(--star-gold);transform:translateY(-2px);box-shadow:0 5px 15px #ffd70033}.btn-primary{background:linear-gradient(45deg,var(--star-gold),var(--crystal-cyan));color:var(--primary-blue);font-weight:600}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px #ffd70066;filter:brightness(1.1)}.btn-secondary{background:#7b1fa2cc;color:var(--text-light)}.btn-secondary:hover{background:#7b1fa2;transform:translateY(-2px);box-shadow:0 5px 15px #7b1fa266}.floating-elements{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}.floating-crystal{position:absolute;width:20px;height:20px;background:linear-gradient(45deg,var(--crystal-cyan),var(--star-gold));clip-path:polygon(50% 0%,0% 100%,100% 100%);animation:crystal-float 8s ease-in-out infinite}.crystal-1{top:20%;left:10%;animation-delay:0s}.crystal-2{top:60%;right:15%;animation-delay:2s}.crystal-3{bottom:30%;left:20%;animation-delay:4s}.magic-particle{position:absolute;width:4px;height:4px;background:var(--star-gold);border-radius:50%;box-shadow:0 0 10px var(--star-gold);animation:particle-float 6s ease-in-out infinite}.particle-1{top:30%;right:20%;animation-delay:1s}.particle-2{bottom:40%;right:30%;animation-delay:3s}.particle-3{top:70%;left:15%;animation-delay:5s}@keyframes 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.section-title{color:var(--star-gold);text-align:center;margin-bottom:15px}.learning-resources .section-subtitle{color:var(--text-secondary);text-align:center;margin-bottom:40px;font-size:1.1rem}.resources-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:25px}.resource-card{background:#ffffff0d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);border-radius:15px;padding:30px 25px;text-align:center;transition:all .3s ease;position:relative;overflow:hidden}.resource-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,transparent,rgba(255,215,0,.1),transparent);transform:translate(-100%);transition:transform .6s}.resource-card:hover{transform:translateY(-5px);box-shadow:0 15px 30px #0000004d;border-color:#ffd7004d}.resource-card:hover:before{transform:translate(100%)}.resource-icon{font-size:3rem;margin-bottom:1rem;display:block}.resource-card 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.user-dropdown{opacity:1;visibility:visible;transform:translateY(0)}.user-dropdown a{display:block;padding:.6rem 1rem;color:var(--text-light);text-decoration:none;transition:all .2s ease}.user-dropdown a:hover{background:#ffd7001a;color:var(--star-gold)}.footer{background:#0000004d;padding:2rem 0;text-align:center;border-top:1px solid rgba(255,215,0,.2)}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;max-width:1200px;margin:0 auto;padding:0 2rem;text-align:left}.footer-section h3,.footer-section h4,.footer-section h5{color:var(--star-gold);margin-bottom:1rem;font-weight:600}.footer-section p{color:var(--text-secondary);margin-bottom:.8rem;line-height:1.6}.footer-section ul{list-style:none;padding:0;margin:0}.footer-section ul li{margin-bottom:.5rem}.footer-section ul li a{color:var(--text-light);text-decoration:none;transition:all .3s ease;display:inline-block;padding:.2rem 0}.footer-section ul li a:hover{color:var(--star-gold);transform:translate(5px)}.footer-bottom{margin-top:2rem;padding-top:1rem;border-top:1px solid rgba(255,215,0,.2);text-align:center}.footer-bottom p{color:var(--text-secondary);margin-bottom:.5rem}.institution{margin-top:1rem;padding-top:1rem;border-top:1px solid rgba(255,215,0,.2)}.institution h5{color:var(--star-gold);font-size:1rem;margin-bottom:.5rem;font-weight:600}.institution p{font-size:.85rem;color:var(--text-secondary);line-height:1.4}.flag-navigation-menu{position:absolute;top:100%;left:0;z-index:1000;background:linear-gradient(135deg,#1a1a2ef2,#2d2d4bf2);border:1px solid rgba(255,215,0,.3);border-radius:12px;box-shadow:0 15px 35px #0000004d,0 5px 15px #ffd7001a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);min-width:220px;opacity:0;visibility:hidden;transform:translateY(-10px) scale(.95);transition:all .3s cubic-bezier(.4,0,.2,1);margin-top:8px}.flag-navigation-menu.open{opacity:1;visibility:visible;transform:translateY(0) scale(1)}.flag-menu-header{padding:15px;border-bottom:1px solid rgba(255,215,0,.2);background:linear-gradient(135deg,#ffd7001a,#00bcd41a)}.flag-menu-title{display:flex;align-items:center;gap:8px;font-weight:600;color:gold;font-size:14px}.menu-flag-icon{width:20px;height:auto;border-radius:2px;box-shadow:0 2px 4px #0003}.flag-menu-items{padding:8px 0}.flag-menu-item{display:flex;align-items:center;gap:12px;padding:12px 15px;color:#e0e0e8;text-decoration:none;transition:all .2s ease;position:relative;font-size:14px}.flag-menu-item:hover{background:linear-gradient(135deg,#ffd7001a,#00bcd41a);color:gold;transform:translate(4px)}.flag-menu-item.active{background:linear-gradient(135deg,#ffd70026,#00bcd426);color:gold;border-left:3px solid #ffd700}.menu-item-icon{font-size:16px;width:20px;text-align:center}.menu-item-text{flex:1;font-weight:500}.current-indicator{color:#00bcd4;font-size:18px;font-weight:700}.flag-menu-footer{padding:12px 15px;border-top:1px solid rgba(255,215,0,.2);text-align:center;background:linear-gradient(135deg,#0000001a,#ffd7000d)}.menu-footer-text{font-size:12px;color:gold;font-weight:600;margin-bottom:2px}.menu-footer-subtitle{font-size:10px;color:#00bcd4;opacity:.8}.flag-navigation-menu.open .flag-menu-item{animation:slideInLeft .3s ease forwards;opacity:0}.flag-navigation-menu.open .flag-menu-item:nth-child(1){animation-delay:.1s}.flag-navigation-menu.open .flag-menu-item:nth-child(2){animation-delay:.15s}.flag-navigation-menu.open .flag-menu-item:nth-child(3){animation-delay:.2s}.flag-navigation-menu.open .flag-menu-item:nth-child(4){animation-delay:.25s}.flag-navigation-menu.open .flag-menu-item:nth-child(5){animation-delay:.3s}@keyframes slideInLeft{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.magic-particle-dynamic{position:fixed;width:4px;height:4px;background:gold;border-radius:50%;box-shadow:0 0 10px gold;pointer-events:none;z-index:100}.home-section{padding:5rem 0}.home-section .section-subtitle{text-align:center;color:var(--text-secondary);font-size:1.1rem;margin-bottom:3rem;max-width:650px;margin-left:auto;margin-right:auto}.section-action{text-align:center;margin-top:2.5rem}.wonders-section{background:linear-gradient(180deg,#3f51b514,#0000000d)}.wonders-section .feature-card{cursor:default}.wonders-section .feature-card:hover{transform:translateY(-8px);border-color:#64b4ff66;box-shadow:0 16px 40px #3f51b533}.rincatian-section{background:linear-gradient(135deg,#3f51b526,#1a237e1a)}.rincatian-section .feature-card-link{cursor:pointer}.daily-word-wrapper{margin-top:3rem;max-width:600px;margin-left:auto;margin-right:auto}.world-section{background:linear-gradient(180deg,#0003,#00bcd40f,#0003)}.home-grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem}.home-grid-card{background:#ffffff0d;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:16px;padding:1.8rem 1.5rem;text-align:center;border:1px solid rgba(255,215,0,.15);transition:all .3s ease}.home-grid-card:hover{transform:translateY(-6px);border-color:var(--star-gold);box-shadow:0 12px 30px #ffd70026}.home-grid-icon{font-size:2.5rem;margin-bottom:.8rem}.home-grid-card h3{color:var(--star-gold);font-size:1.15rem;margin-bottom:.6rem}.home-grid-card p{color:var(--text-secondary);font-size:.9rem;line-height:1.6}.business-section{background:linear-gradient(135deg,#ffd7000d,#00bcd40d)}.product-showcase{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem}.product-card{background:#ffffff0d;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:16px;padding:2rem 1.5rem;text-align:center;border:1px solid rgba(255,215,0,.15);transition:all .3s ease;position:relative;overflow:hidden}.product-card:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,215,0,.05),transparent);transition:left .5s ease}.product-card:hover:before{left:100%}.product-card:hover{transform:translateY(-6px);border-color:var(--star-gold);box-shadow:0 12px 30px #ffd70026}.product-icon{font-size:2.5rem;margin-bottom:.8rem}.product-card h3{color:var(--star-gold);font-size:1.15rem;margin-bottom:.5rem}.product-card p{color:var(--text-secondary);font-size:.9rem;line-height:1.6}.community-section{background:linear-gradient(180deg,#0003,#3f51b50d,#0003)}.community-highlights{display:flex;justify-content:center;gap:3rem;margin-bottom:2.5rem;flex-wrap:wrap}.community-stat-card{text-align:center;padding:1.5rem 2rem;background:#ffffff0d;border-radius:16px;border:1px solid rgba(255,215,0,.15);min-width:150px;transition:all .3s ease}.community-stat-card:hover{transform:translateY(-4px);border-color:var(--star-gold)}.stat-number{font-size:2rem;font-weight:700;color:var(--star-gold);margin-bottom:.4rem;text-shadow:var(--magic-glow)}.stat-label{color:var(--text-secondary);font-size:.9rem}.community-preview{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.2rem;margin-bottom:1rem}.preview-card{display:flex;align-items:center;gap:1rem;padding:1.2rem 1.5rem;background:#ffffff0d;border-radius:12px;border:1px solid rgba(255,215,0,.1);transition:all .3s ease}.preview-card:hover{border-color:var(--star-gold);transform:translate(6px);box-shadow:0 8px 20px #ffd7001a}.preview-icon{font-size:1.8rem;flex-shrink:0}.preview-text h4{color:var(--text-light);font-size:1rem;margin-bottom:.3rem}.preview-text p{color:var(--text-secondary);font-size:.85rem;line-height:1.5}.example-chinese{color:var(--text-secondary);font-size:.85rem}@media (max-width: 968px){.nav-container{padding:.8rem 1rem}.nav-extras{gap:1rem}.tian-calendar{display:none}}@media (max-width: 768px){.hero-content{grid-template-columns:1fr;text-align:center;gap:2rem}.hero-title{font-size:2rem}.nav-menu{display:none}.nav-extras{gap:.8rem}.auth-buttons{gap:.5rem}.btn-small{padding:.3rem .8rem;font-size:.8rem}.planet{width:200px;height:200px}.planet-ring{width:280px;height:280px}.planet-ring:before{width:240px;height:240px}.flag-navigation-menu{min-width:200px;font-size:13px}.flag-menu-item{padding:10px 12px}}@media (max-width: 480px){.container{padding:0 1rem}.hero-buttons{flex-direction:column;align-items:center}.btn{width:100%;max-width:300px}}