*,::before,::after{box-sizing:border-box;margin:0;padding:0}html{line-height:1.5;-webkit-text-size-adjust:100%;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;scroll-behavior:smooth}body{min-height:100vh;background-color:#f8fafc;color:#334155;overflow-x:hidden}.dark body{background-color:#0f172a;color:#e2e8f0}.container{width:100%;margin-left:auto;margin-right:auto;padding-left:1rem;padding-right:1rem}@media (min-width:640px){.container{max-width:640px}}@media (min-width:768px){.container{max-width:768px}}@media (min-width:1024px){.container{max-width:1024px}}header{position:sticky;top:0;z-index:30;background-color:rgba(255,255,255,0.8);backdrop-filter:blur(8px);border-bottom:1px solid rgba(226,232,240,0.8)}.dark header{background-color:rgba(15,23,42,0.8);border-color:rgba(51,65,85,0.8)}nav{display:flex;justify-content:space-between;align-items:center;padding:0.75rem 0}.nav-logo{font-weight:700;font-size:1.25rem;color:#1e293b;text-decoration:none}.dark .nav-logo{color:#f1f5f9}.nav-links{display:none}@media (min-width:768px){.nav-links{display:flex;gap:1.5rem;align-items:center}}.nav-link{color:#64748b;text-decoration:none;font-weight:500;transition:color 0.2s}.nav-link:hover{color:#4f46e5}.dark .nav-link{color:#94a3b8}.dark .nav-link:hover{color:#818cf8}.menu-button{display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;border-radius:0.375rem;background-color:transparent;border:none;cursor:pointer}@media (min-width:768px){.menu-button{display:none}}main{min-height:calc(100vh - 4rem);padding-top:1rem}#loading-indicator{position:fixed;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#4f46e5,#818cf8);z-index:50;transform:translateY(-100%);transition:transform 0.3s;display:none}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.hidden{display:none}.text-center{text-align:center}.rounded{border-radius:0.25rem}.shadow{box-shadow:0 1px 3px 0 rgba(0,0,0,0.1),0 1px 2px 0 rgba(0,0,0,0.06)}.em-citecard-wrapper{display:block;margin:2rem 0}.em-citecard{display:block;margin:0;padding:0;border:none;background:none;box-shadow:none}.em-citecard .font-bold{font-size:1.15rem;letter-spacing:0.01em}.em-citecard .text-blue-600{color:#2563eb}.em-citecard .text-blue-400{color:#60a5fa}.em-citecard .line-clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.zbfox_top_label{position:absolute;top:15px;left:0;padding:5px 10px;background:#4f15ff;box-shadow:1px 2px 4px rgba(0,0,0,0.5);color:#fff;font-size:13px;font-weight:900;border-radius:0 5px 5px 0;z-index:10;transition:opacity 0.5s ease}.zbfox_top_label:after{position:absolute;content:" ";display:block;width:7px;height:110%;padding:0 0 7px;top:0;left:-7px;background:inherit;border-radius:5px 0 0 5px}.zbfox_top_label:before{position:absolute;content:" ";display:block;width:5px;height:5px;background:rgba(0,0,0,0.35);bottom:-3px;left:-5px;border-radius:5px 0 0 5px}