.college-toc-modal-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgb(0 0 0 / .5);z-index:2;opacity:0;transition:opacity 0.3s ease}.college-toc-modal-overlay.show{display:block;opacity:1}.college-toc-modal{display:none;position:fixed;background:#fff;border-radius:12px;box-shadow:0 4px 20px rgb(0 0 0 / .15);z-index:3;width:380px;max-width:calc(100vw - 40px);max-height:500px;overflow:hidden;opacity:0;transform:translateY(10px);transition:opacity 0.3s ease,transform 0.3s ease}.college-toc-modal.show{display:block;opacity:1;transform:translateY(0)}.college-toc-modal-arrow{display:none;position:fixed;width:0;height:0;border-left:12px solid #fff0;border-right:12px solid #fff0;border-top:14px solid #fff;z-index:6;filter:drop-shadow(0 2px 3px rgb(0 0 0 / .1))}.college-toc-modal-arrow.show{display:block}.college-toc-modal-header{background-color:#fff;padding:24px 28px 20px;border-bottom:none;display:flex;align-items:center;justify-content:space-between}.college-toc-modal-title{font-size:20px;font-weight:700;color:#000;margin:0;line-height:1.2}.college-toc-modal-close{display:none}.college-toc-modal-body{padding:0 0 16px 0;max-height:420px;overflow-y:auto}.college-toc-modal-body::-webkit-scrollbar{width:5px}.college-toc-modal-body::-webkit-scrollbar-thumb{background:#d0d0d0;border-radius:3px}.college-toc-modal-body::-webkit-scrollbar-track{background:#fff0}.college-toc-modal-list{list-style:none!important;padding:0!important;margin:0!important}.college-toc-modal-list li{list-style:none!important;margin:0!important;padding:0!important;border-bottom:1px solid #f0f0f0}.college-toc-modal-list li:last-child{border-bottom:none}.college-toc-modal-list li a{color:#2b78e4!important;text-decoration:none!important;font-size:15px;line-height:1.6;font-weight:400;display:flex;align-items:center;padding:14px 28px;transition:background-color 0.15s ease}.college-toc-modal-list li a:hover{background-color:#f8f9fa}.college-toc-modal-list li a::before{content:"";position:relative;width:15px;height:15px;left:-9px;top:-1px;background:url(../../../images/master_sprite.webp);background-position:651px -71px!important}.scrollToTop.college-toc-btn{display:none;background:#f8f9fa!important;color:#1a237e!important;font-size:11px!important;font-weight:700!important;width:65px!important;height:65px!important;border-radius:50%!important;box-shadow:0 4px 15px rgb(0 0 0 / .12)!important;flex-direction:column!important;align-items:center!important;justify-content:center!important;padding:0!important;border:1px solid #eeeeee!important;transition:all 0.3s cubic-bezier(.4,0,.2,1)!important;z-index:10000!important;line-height:1!important}.scrollToTop.college-toc-btn::before{content:''!important;display:block;width:24px;height:24px;margin-bottom:2px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%230066cc' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m17 11-5-5-5 5'/%3E%3Cpath d='m17 18-5-5-5 5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center;background-size:contain;transition:transform 0.3s ease}.scrollToTop.college-toc-btn.active::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23333333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 6 6 18'/%3E%3Cpath d='m6 6 12 12'/%3E%3C/svg%3E");transform:rotate(90deg)}.scrollToTop.college-toc-btn span{display:block;letter-spacing:.5px}.scrollToTop.college-toc-btn:hover{background:#ffffff!important;transform:scale(1.05);box-shadow:0 6px 20px rgb(0 0 0 / .15)!important}@media (max-width:768px){.college-toc-modal{width:calc(100vw - 40px);max-width:380px}.college-toc-modal-header{padding:16px 20px 12px}.college-toc-modal-title{font-size:18px}.college-toc-modal-body{max-height:320px}.college-toc-modal-list li a{font-size:14px;padding:12px 20px}.scrollToTop.college-toc-btn{width:55px!important;height:55px!important}}