.cplh-theory{--ch-navy:#102f40;--ch-lime:#c8f36b;--ch-line:#d8e3df;color:var(--ch-navy);max-width:1120px;margin:auto}.cplh-theory *{box-sizing:border-box}main:has(.cplh-theory) .article-layout{display:block}main:has(.cplh-theory) .article-sidebar{display:none}main:has(.cplh-theory) .article-content{min-width:0;max-width:none;width:100%}.ch-intro{padding:36px;background:#102f40;color:#f4f6f1;border-radius:20px}.ch-kicker{font-size:.76rem;letter-spacing:.14em;font-weight:700;color:#c8f36b}.ch-intro h2{color:#fff!important;font-size:clamp(1.8rem,4vw,3rem);line-height:1.15;margin:14px 0}.ch-intro>p{max-width:800px}.ch-stats{display:flex;gap:34px;flex-wrap:wrap;margin-top:30px}.ch-stats span{display:grid;gap:5px;font-size:.85rem;color:#c7d5d9}.ch-stats strong{color:#c8f36b;font-size:1.35rem}.ch-note{padding:22px 25px;background:#f0f5ee;border-left:4px solid #789a40;font-size:.94rem;line-height:1.7;margin:24px 0!important}.ch-overview{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;scroll-margin-top:110px}.ch-card{display:grid;gap:13px;padding:21px;border:1px solid var(--ch-line);border-radius:14px;text-decoration:none!important;color:var(--ch-navy)!important;min-height:170px;transition:background .15s,border-color .15s}.ch-card:hover,.ch-card:focus-visible{background:#edf5e4;border-color:#729d39}.ch-code{font-weight:800;letter-spacing:.05em;color:#50752b;font-size:.86rem}.ch-card strong{font-size:1.08rem;line-height:1.35}.ch-card>span:last-child{font-size:.8rem;color:#58717b}.ch-tools{padding:26px 0 14px}.ch-tools label{display:block;font-size:.9rem;font-weight:700;margin-bottom:8px}.ch-tools input{width:100%;padding:14px 16px;font:inherit;border:1px solid #bdcfcb;border-radius:10px;background:#fff;color:#102f40}.ch-tools p{font-size:.82rem;margin:7px 0;color:#58717b}.ch-lesson{border:1px solid var(--ch-line);border-radius:14px;margin:14px 0;overflow:hidden;scroll-margin-top:110px}.ch-lesson>summary{list-style:none;display:flex;align-items:center;gap:22px;padding:23px;cursor:pointer;background:#f5f8f6}.ch-lesson>summary::-webkit-details-marker{display:none}.ch-lesson>summary>span:nth-child(2){display:grid;gap:7px;min-width:0}.ch-lesson>summary strong{font-size:1.17rem;line-height:1.3}.ch-lesson>summary small{font-size:.78rem;font-weight:400;color:#60757b}.ch-plus{margin-left:auto;font-size:1.6rem;flex:none}.ch-lesson[open]>.ch-lesson>summary{background:#edf5e4}.ch-lesson[open]>summary .ch-plus{transform:rotate(45deg)}.ch-lesson-body{padding:26px}.ch-lesson-body video{display:block;width:100%;height:auto;aspect-ratio:16/9;background:#071e2b;border-radius:10px;margin:16px 0}.ch-downloads{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:.85rem;margin:20px 0}.ch-chapters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:16px 0 24px}.ch-chapters button{display:flex;gap:12px;text-align:left;padding:12px;border:1px solid var(--ch-line);border-radius:8px;background:#f7faf7;color:#102f40;font:inherit;font-size:.85rem;cursor:pointer}.ch-chapters button:hover,.ch-chapters button:focus-visible{background:#e9f3dd;border-color:#769b48}.ch-chapters time{font-variant-numeric:tabular-nums;color:#50752b;flex:none}.ch-question,.ch-transcript,.ch-sources{border-top:1px solid var(--ch-line);padding:15px 0}.ch-question>summary,.ch-transcript>summary,.ch-sources>summary{cursor:pointer;font-weight:650}.ch-question p,.ch-transcript p{line-height:1.8}.ch-transcript h4{margin-top:22px}.ch-sources li{margin:10px 0}.ch-back{display:inline-block;font-size:.85rem;margin-top:20px}.ch-method{margin:38px 0;padding:28px;border:1px solid var(--ch-line);border-radius:14px}.ch-method li{margin-bottom:10px}.ch-lesson[hidden],.ch-card[hidden]{display:none!important}.ch-card:focus-visible,.ch-lesson summary:focus-visible,.ch-question summary:focus-visible{outline:3px solid #7a9d45;outline-offset:3px}@media(max-width:760px){.ch-overview{grid-template-columns:repeat(2,minmax(0,1fr))}.ch-intro{padding:25px}.ch-chapters{grid-template-columns:1fr}.ch-lesson-body{padding:17px}.ch-lesson>summary{padding:18px;gap:14px}.ch-stats{gap:20px}.ch-method{padding:20px}.ch-card{padding:16px;min-height:155px}.ch-lesson>summary strong{font-size:1.02rem}}@media(max-width:420px){.ch-overview{grid-template-columns:1fr}.ch-card{grid-template-columns:38px 1fr;min-height:0;gap:9px 12px}.ch-card>span:last-child{grid-column:2}.ch-card .ch-code{grid-row:1/3}.ch-stats strong{font-size:1.1rem}.ch-note{padding:17px}.ch-lesson-body video{border-radius:5px}.ch-downloads{gap:10px;font-size:.78rem}}
.ch-intro>p:not(.ch-kicker){color:#d5e4e7}