.bc-toc-grid{display:grid!important;grid-template-columns:1fr 320px!important;gap:40px;align-items:start;max-width:1400px;margin:0 auto;padding:0 20px}.bc-toc-wrapper{max-height:calc(100vh - 40px);padding:28px;background:rgb(255 255 255 / .7);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:24px;border:1px solid rgb(255 255 255 / .5);box-shadow:0 8px 32px rgb(30 64 175 / .1),inset 0 1px 1px rgb(255 255 255 / .9)}.bc-toc-title{font-size:20px;font-weight:700;background:linear-gradient(135deg,#1E40AF 0%,#3b82f6 100%);-webkit-background-clip:text;-webkit-text-fill-color:#fff0;background-clip:text;margin-bottom:20px;padding-bottom:16px;border-bottom:2px solid rgb(30 64 175 / .1);position:relative}.bc-toc-title::after{content:'';position:absolute;bottom:-2px;left:0;width:60px;height:2px;background:linear-gradient(90deg,#1E40AF 0%,transparent 100%)}.bc-toc-list{list-style:none;padding:0;margin:0;overflow-y:auto;max-height:calc(100vh - 220px);padding-right:4px;scroll-behavior:smooth}.bc-toc-item{margin-bottom:6px}.bc-toc-link{display:flex;align-items:center;padding:12px 16px;color:#1e293b;text-decoration:none;border-radius:16px;transition:all 0.3s ease;font-size:14px;line-height:1.6;font-weight:500;background:#fff0;position:relative}.bc-toc-link::before{content:'';width:6px;height:6px;border-radius:50%;background:#cbd5e1;margin-right:12px;transition:all 0.3s ease;flex-shrink:0}.bc-toc-link:hover{background:rgb(30 64 175 / .08);color:#1E40AF;transform:translateX(4px)}.bc-toc-link:hover::before{background:#3b82f6;transform:scale(1.3)}.bc-toc-link.active{background:rgb(30 64 175 / .12);color:#1E40AF;font-weight:600}.bc-toc-link.active::before{background:#1E40AF;box-shadow:0 0 8px rgb(30 64 175 / .5)}.bc-toc-link.level-3{display:none}.bc-toc-list::-webkit-scrollbar{width:6px}.bc-toc-list::-webkit-scrollbar-track{background:rgb(241 245 249 / .5);border-radius:10px}.bc-toc-list::-webkit-scrollbar-thumb{background:rgb(30 64 175 / .2);border-radius:10px}.bc-toc-list::-webkit-scrollbar-thumb:hover{background:rgb(30 64 175 / .3)}.bc-toc-mobile-trigger{position:fixed;bottom:100px;right:20px;width:auto;min-width:120px;height:48px;background:linear-gradient(135deg,#1E40AF 0%,#3b82f6 100%);color:#fff;border:none;border-radius:24px;padding:0 20px;box-shadow:0 8px 24px rgb(30 64 175 / .4);cursor:pointer;display:none;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;z-index:9998;transition:all 0.3s ease}.bc-toc-mobile-trigger:active{transform:scale(.95)}.bc-toc-mobile-trigger svg{width:20px;height:20px}.bc-toc-mobile-modal{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgb(0 0 0 / .75);backdrop-filter:blur(4px);z-index:99998;display:none;align-items:flex-end;justify-content:center}.bc-toc-mobile-modal.active{display:flex}.bc-toc-mobile-content{background-color:#fff;border-radius:24px 24px 0 0;padding:24px;width:100%;max-height:80vh;overflow-y:auto;position:relative;animation:slideUp 0.3s ease}@keyframes slideUp{from{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}.bc-toc-mobile-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;padding-bottom:16px;border-bottom:2px solid #e2e8f0}.bc-toc-mobile-title{font-size:20px;font-weight:700;color:#1e293b}.bc-toc-mobile-close{background:#f1f5f9;border:none;width:36px;height:36px;border-radius:50%;cursor:pointer;display:flex!important;align-items:center;justify-content:center;transition:all 0.2s ease;flex-shrink:0;padding:0}.bc-toc-mobile-close:hover{background:#e2e8f0;transform:rotate(90deg)}.bc-toc-mobile-close svg{width:20px!important;height:20px!important;color:#64748b;stroke:currentColor;stroke-width:2.5;fill:none;display:block}.bc-toc-mobile-content .bc-toc-list{max-height:none;padding-right:0}.bc-toc-mobile-content .bc-toc-link{padding:16px;font-size:15px;margin-bottom:8px}@media (min-width:1024px){.bc-toc-grid{display:grid!important}.bc-toc-sidebar{display:block!important}.bc-toc-wrapper{display:block!important}.bc-toc-mobile-trigger{display:none!important}}@media (max-width:1023px){.bc-toc-grid{display:block!important;grid-template-columns:1fr!important}.bc-toc-sidebar{display:none!important}.bc-toc-wrapper{display:none!important}.bc-toc-mobile-trigger{display:flex!important}}@media (max-width:480px){.bc-toc-mobile-trigger{bottom:110px;right:16px;min-width:100px;height:44px;font-size:14px}.bc-toc-mobile-content{padding:20px}.bc-toc-mobile-title{font-size:18px}.bc-toc-grid{padding:0 10px}}