.ccp-article-toc{--toc-accent:#111827;--toc-soft:#f7f8fa;position:relative;margin:34px 0 40px;padding:0;border:1px solid #e5e7eb;border-radius:20px;background:#fff;box-shadow:0 12px 36px rgba(15,23,42,.07);overflow:hidden;font-family:inherit;color:#1f2937}
.ccp-article-toc *{box-sizing:border-box}.ccp-toc-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;border-bottom:1px solid #edf0f3;background:linear-gradient(135deg,#fff,#fafafa)}
.ccp-toc-heading{display:flex;align-items:center;gap:12px;min-width:0}.ccp-toc-heading>div{display:grid;gap:2px}.ccp-toc-heading strong{font-size:17px;line-height:1.5;font-weight:800;color:#111827}.ccp-toc-heading small{font-size:11px;color:#8a919d;line-height:1.5}
.ccp-toc-icon{width:40px;height:40px;flex:0 0 40px;display:grid;align-content:center;gap:4px;padding:10px;border-radius:12px;background:#111827;box-shadow:0 8px 18px rgba(17,24,39,.14)}.ccp-toc-icon i{display:block;height:2px;border-radius:20px;background:#fff}.ccp-toc-icon i:nth-child(2){width:72%}.ccp-toc-icon i:nth-child(3){width:48%}
.ccp-toc-toggle{display:inline-flex;align-items:center;gap:8px;min-height:34px;padding:0 11px;border:1px solid #e1e5ea;border-radius:10px;background:#fff;color:#5f6874;font:inherit;font-size:11px;font-weight:700;cursor:pointer;transition:.18s}.ccp-toc-toggle:hover{border-color:#cfd5dc;color:#111827}.ccp-toc-toggle i{width:7px;height:7px;border-left:1.8px solid currentColor;border-bottom:1.8px solid currentColor;transform:rotate(135deg);transition:.2s}.ccp-article-toc.is-collapsed .ccp-toc-toggle i{transform:rotate(-45deg)}
.ccp-toc-body{padding:14px 18px 17px;max-height:900px;opacity:1;transition:max-height .28s ease,opacity .2s ease,padding .28s ease}.ccp-article-toc.is-collapsed .ccp-toc-body{max-height:0;opacity:0;padding-top:0;padding-bottom:0;overflow:hidden}.ccp-toc-body ol{list-style:none!important;margin:0!important;padding:0!important;display:grid;gap:3px;counter-reset:none}.ccp-toc-body li{margin:0!important;padding:0!important;list-style:none!important}.ccp-toc-body a{display:flex;align-items:flex-start;gap:10px;padding:8px 9px;border-radius:10px;text-decoration:none!important;color:#4b5563!important;line-height:1.65;font-size:13px;font-weight:600;transition:.16s;box-shadow:none!important}.ccp-toc-body a:hover{background:#f5f6f8;color:#111827!important}.ccp-toc-body a.is-active{background:#f1f3f5;color:#111827!important;font-weight:800}
.ccp-toc-index{flex:0 0 26px;width:26px;height:26px;display:grid;place-items:center;margin-top:1px;border:1px solid #e1e5e9;border-radius:8px;background:#fafbfc;color:#8a919d;font-size:10px;font-weight:800;transition:.16s}.ccp-toc-body a.is-active .ccp-toc-index{background:#111827;border-color:#111827;color:#fff}.ccp-toc-text{min-width:0}.ccp-toc-level-3 a{padding-inline-start:38px;font-size:12.5px;color:#66707d!important}.ccp-toc-level-4 a{padding-inline-start:66px;font-size:12px;color:#7c8490!important}.ccp-toc-progress{height:3px;background:#f0f1f3}.ccp-toc-progress i{display:block;width:0;height:100%;background:#111827;transition:width .15s linear}
html{scroll-behavior:smooth}h2[id^="ccp-section-"],h3[id^="ccp-section-"],h4[id^="ccp-section-"]{scroll-margin-top:100px}
@media(max-width:680px){.ccp-article-toc{margin:25px 0 30px;border-radius:16px}.ccp-toc-top{padding:15px}.ccp-toc-heading strong{font-size:15px}.ccp-toc-heading small{font-size:10px}.ccp-toc-icon{width:36px;height:36px;flex-basis:36px;padding:9px}.ccp-toc-toggle span{display:none}.ccp-toc-toggle{width:34px;padding:0;justify-content:center}.ccp-toc-body{padding:11px 11px 14px}.ccp-toc-body a{font-size:12px;padding:7px}.ccp-toc-level-3 a{padding-inline-start:25px}.ccp-toc-level-4 a{padding-inline-start:43px}.ccp-toc-index{width:24px;height:24px;flex-basis:24px}}
/* v0.14.8 — selectable TOC SVG icon */
.ccp-toc-icon.ccp-toc-icon-svg{padding:9px;display:grid;place-items:center}.ccp-toc-icon.ccp-toc-icon-svg svg{width:21px;height:21px;fill:none;stroke:#fff;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}.ccp-toc-icon.ccp-toc-icon-svg svg path,.ccp-toc-icon.ccp-toc-icon-svg svg circle{vector-effect:non-scaling-stroke}