#container{display:flex;flex-direction:column;align-items:center;gap:24px;padding:24px;min-height:100vh;background:linear-gradient(135deg,var(--middle-color) 0%,rgba(18,18,18,.95) 100%)}#textbox{width:100%;max-width:800px;padding:24px;background:#ffffff0d;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1);border-radius:var(--border-radius);box-shadow:0 8px 32px #0000004d,inset 0 1px #ffffff1a;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}#textbox:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.05),transparent);transition:left .6s ease}#textbox:hover:before{left:100%}#textbox:hover{transform:translateY(-2px);box-shadow:0 12px 40px #0006,inset 0 1px #ffffff26;border-color:#ffffff26}#textbox h2{color:var(--dark-color);font-size:1.5rem;font-weight:600;margin-bottom:16px;text-shadow:0 2px 4px rgba(0,0,0,.3);line-height:1.3}#textbox p{color:var(--white-text);font-size:1rem;line-height:1.6;margin-bottom:12px;text-shadow:0 1px 2px rgba(0,0,0,.5)}#textbox ul{list-style:none;padding:0;margin:0}#textbox router-link{display:inline-block;text-decoration:none;transition:all .3s ease;position:relative;padding:8px 0}#textbox router-link .text{color:var(--second-color);font-weight:500;text-shadow:0 1px 2px rgba(0,0,0,.5);transition:all .3s ease;position:relative}#textbox router-link:after{content:"";position:absolute;bottom:4px;left:0;width:0;height:2px;background:linear-gradient(90deg,var(--second-color),var(--dark-color));transition:width .3s ease}#textbox router-link:hover:after{width:100%}#textbox router-link:hover .text{color:var(--dark-color);transform:translate(4px)}#textbox a{color:var(--second-color);text-decoration:none;font-weight:500;transition:all .3s ease;position:relative}#textbox a:after{content:"";position:absolute;bottom:-2px;left:0;width:0;height:2px;background:linear-gradient(90deg,var(--second-color),var(--dark-color));transition:width .3s ease}#textbox a:hover:after{width:100%}#textbox a:hover{color:var(--dark-color);transform:translate(2px)}#notebookIframe{width:100%;height:600px;border:1px solid rgba(255,255,255,.1);border-radius:calc(var(--border-radius) * .75);background:#0003;margin-bottom:12px;transition:all .3s ease}#notebookIframe:hover{border-color:#fff3;box-shadow:0 4px 16px #0000004d}@media (max-width: 768px){#container{padding:16px;gap:16px}#textbox{padding:20px}#textbox h2{font-size:1.3rem}#textbox p{font-size:.95rem}#notebookIframe{height:400px}}@media (max-width: 480px){#container{padding:12px}#textbox{padding:16px}#textbox h2{font-size:1.2rem}#notebookIframe{height:300px}}