.table-of-contents{background:linear-gradient(135deg,#1e3c72,#2a5298 50%,#34495e);border-radius:12px;padding:18px;margin:25px 0;box-shadow:0 8px 25px rgba(30,60,114,.2),0 4px 12px rgba(0,0,0,.1),inset 0 1px 0 hsla(0,0%,100%,.1);border:1px solid hsla(0,0%,100%,.15);position:relative;overflow:hidden}.table-of-contents:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 80% 20%,hsla(0,0%,100%,.08) 0,transparent 40%);pointer-events:none}.table-of-contents h3{color:#fff;margin:0 0 15px;font-size:1.1em;font-weight:600;text-shadow:0 2px 4px rgba(0,0,0,.3);text-align:center;position:relative;z-index:1}.table-of-contents h3:after{content:"";display:block;width:40px;height:2px;background:linear-gradient(90deg,transparent,hsla(0,0%,100%,.6),transparent);margin:8px auto 0;border-radius:1px}.table-of-contents ul{list-style:none;padding:0;margin:0;position:relative;z-index:1;display:grid;gap:8px}.table-of-contents li{transition:all .3s ease;position:relative}.table-of-contents li:before{content:"";position:absolute;left:-6px;top:50%;transform:translateY(-50%);width:3px;height:0;background:linear-gradient(180deg,#74b9ff,#0984e3);border-radius:2px;transition:height .2s ease}.table-of-contents li:hover:before{height:70%}.table-of-contents li:hover{transform:translateX(8px)}.table-of-contents a{color:hsla(0,0%,100%,.95);text-decoration:none;display:block;padding:8px 12px;border-radius:6px;background:hsla(0,0%,100%,.08);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid hsla(0,0%,100%,.1);transition:all .3s ease;font-weight:450;font-size:.85em;line-height:1.3;position:relative;overflow:hidden}.table-of-contents a:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,hsla(0,0%,100%,.1),transparent);transition:left .4s ease}.table-of-contents a:hover:before{left:100%}.table-of-contents a:hover{background:hsla(0,0%,100%,.15);box-shadow:0 4px 12px rgba(0,0,0,.15);transform:translateY(-1px);border-color:hsla(0,0%,100%,.2)}.table-of-contents a:active{transform:translateY(0) scale(.98)}html{scroll-behavior:smooth}h2[id],h3[id],h4[id]{scroll-margin-top:25px;position:relative}@keyframes fadeInUp{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}.table-of-contents{animation:fadeInUp .6s ease-out}.table-of-contents li{animation:fadeInUp .4s ease-out forwards;opacity:0}.table-of-contents li:first-child{animation-delay:.05s}.table-of-contents li:nth-child(2){animation-delay:.1s}.table-of-contents li:nth-child(3){animation-delay:.15s}.table-of-contents li:nth-child(4){animation-delay:.2s}.table-of-contents li:nth-child(5){animation-delay:.25s}.table-of-contents li:nth-child(6){animation-delay:.3s}.table-of-contents li:nth-child(7){animation-delay:.35s}.table-of-contents li:nth-child(8){animation-delay:.4s}.table-of-contents li:nth-child(9){animation-delay:.45s}.table-of-contents li:nth-child(10){animation-delay:.5s}@media (max-width:768px){.table-of-contents{padding:15px;margin:20px 0;border-radius:10px}.table-of-contents h3{font-size:1em;margin-bottom:12px}.table-of-contents a{padding:7px 10px;font-size:.8em}.table-of-contents li:hover{transform:translateX(6px)}}@media (prefers-color-scheme:dark){.table-of-contents{box-shadow:0 8px 25px rgba(30,60,114,.25),0 4px 12px rgba(0,0,0,.2),inset 0 1px 0 hsla(0,0%,100%,.08)}}.table-of-contents.compact{padding:12px;margin:15px 0}.table-of-contents.compact h3{font-size:1em;margin-bottom:10px}.table-of-contents.compact a{padding:6px 10px;font-size:.8em}.table-of-contents.compact ul{gap:4px}