.btoc{box-sizing:border-box;margin:0 0 32px;padding:20px 22px;border:1px solid #e5e7eb;border-radius:10px;background:#f8fafc;color:#1f2937;font-size:16px;line-height:1.6}.btoc *{box-sizing:border-box}.btoc__header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px}.btoc__title{font-size:1.15em;font-weight:700}.btoc__toggle{border:1px solid #d1d5db;background:#fff;color:inherit;border-radius:6px;padding:5px 10px;cursor:pointer;font:inherit;font-size:.85em}.btoc__body.is-collapsed{display:none}.btoc__list{margin:0;padding-left:22px}.btoc__list:not(.btoc__list--numbered){list-style:none;padding-left:0}.btoc__item{margin:4px 0}.btoc__item--3{margin-left:18px}.btoc__item--4{margin-left:36px}.btoc__item--5{margin-left:54px}.btoc__item--6{margin-left:72px}.btoc a{color:inherit;text-decoration:none}.btoc a:hover,.btoc a:focus{text-decoration:underline}html.btoc-smooth{scroll-behavior:smooth}@media(max-width:600px){.btoc{padding:16px;margin-bottom:24px}.btoc__header{align-items:flex-start}.btoc__item--3{margin-left:10px}.btoc__item--4{margin-left:20px}.btoc__item--5{margin-left:30px}.btoc__item--6{margin-left:40px}}

.btoc__list { margin:0; padding:0; list-style:none; }
.btoc__item { margin:6px 0; padding-left:0; }
.btoc__item--3 { margin-left:22px; }
.btoc__item--4 { margin-left:44px; }
.btoc__item--5 { margin-left:66px; }
.btoc__item--6 { margin-left:88px; }
.btoc__marker { display:inline-block; min-width:28px; margin-right:4px; font-weight:600; }
.btoc__list--dots .btoc__marker { min-width:18px; }