.knowledge-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 86% 8%, rgba(186,255,18,.08), transparent 25%),
    radial-gradient(circle at 8% 52%, rgba(186,255,18,.045), transparent 22%),
    #050605;
}

.knowledge-header {
  position: fixed;
  z-index: 120;
  top: 18px;
  left: 50%;
  width: min(calc(100% - 40px), 1280px);
  min-height: 68px;
  padding: 10px 14px 10px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  transform: translateX(-50%);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 20px;
  background: rgba(7,9,6,.82);
  box-shadow: 0 18px 55px rgba(0,0,0,.25);
  backdrop-filter: blur(22px);
}
.knowledge-brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 850; }
.knowledge-brand img { width: 37px; height: 37px; padding: 7px; border-radius: 11px; background: var(--lime); }
.knowledge-brand b { color: var(--lime); }
.knowledge-nav { display: flex; align-items: center; gap: 26px; }
.knowledge-nav > a { color: #b9c2b4; font-size: 13px; }
.knowledge-nav > a:hover { color: #fff; }
.knowledge-nav .button { min-height: 43px; padding-inline: 17px; color: #081000; }

.knowledge-hero {
  position: relative;
  overflow: hidden;
  padding: 170px 0 92px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(4,5,4,.96), rgba(4,5,4,.75) 57%, rgba(4,5,4,.34)),
    url("../images/hero-bg-4k.webp") 70% center / cover no-repeat;
}
.knowledge-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .15;
  background-image: linear-gradient(rgba(186,255,18,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(186,255,18,.12) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: linear-gradient(90deg, #000, transparent 72%);
}
.knowledge-hero .container { position: relative; z-index: 2; }
.breadcrumbs { margin: 0 0 28px; display: flex; flex-wrap: wrap; gap: 8px; color: #7e8879; font-size: 11px; }
.breadcrumbs a { color: #b9c2b4; }
.breadcrumbs a:hover { color: var(--lime); }
.knowledge-label { display: inline-flex; margin-bottom: 21px; padding: 8px 11px; border: 1px solid rgba(186,255,18,.2); border-radius: 999px; color: var(--lime); background: rgba(186,255,18,.055); font-size: 10px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.knowledge-hero h1 { max-width: 960px; margin: 0 0 25px; font-size: clamp(48px, 6vw, 86px); line-height: .95; letter-spacing: -.06em; }
.knowledge-hero h1 em { color: var(--lime); font-style: normal; }
.knowledge-lead { max-width: 760px; margin: 0; color: #bdc5b8; font-size: clamp(17px, 2vw, 21px); line-height: 1.58; }
.article-meta { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 18px; color: #778071; font-size: 11px; }
.article-meta span { display: inline-flex; align-items: center; gap: 8px; }
.article-meta span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 9px var(--lime); }

.knowledge-content { padding: 86px 0 120px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; align-items: start; gap: 72px; }
.article-body { min-width: 0; }
.article-body h2 { margin: 68px 0 23px; font-size: clamp(34px, 4vw, 52px); line-height: 1.02; }
.article-body h2:first-child { margin-top: 0; }
.article-body h3 { margin: 38px 0 14px; font-size: 23px; line-height: 1.2; letter-spacing: -.035em; }
.article-body p, .article-body li { color: #aab3a5; font-size: 16px; line-height: 1.82; }
.article-body p { margin-bottom: 20px; }
.article-body strong { color: #f2f5ef; }
.article-body a:not(.button) { color: var(--lime); text-decoration: underline; text-decoration-color: rgba(186,255,18,.32); text-underline-offset: 4px; }
.article-body ul, .article-body ol { margin: 22px 0 30px; padding-left: 23px; }
.article-body li { margin-bottom: 12px; padding-left: 5px; }
.article-body li::marker { color: var(--lime); }
.article-note {
  margin: 34px 0;
  padding: 25px 27px;
  border: 1px solid rgba(186,255,18,.18);
  border-radius: 20px;
  color: #c3cabf;
  background: linear-gradient(135deg, rgba(186,255,18,.07), rgba(255,255,255,.018));
  line-height: 1.7;
}
.article-note b { display: block; margin-bottom: 7px; color: var(--lime); }
.article-table-wrap { margin: 30px 0; overflow-x: auto; border: 1px solid var(--line); border-radius: 22px; }
.article-table { width: 100%; min-width: 620px; border-collapse: collapse; background: rgba(255,255,255,.018); }
.article-table th, .article-table td { padding: 17px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; font-size: 13px; line-height: 1.55; }
.article-table th { color: var(--lime); background: rgba(186,255,18,.045); }
.article-table td { color: #aeb7aa; }
.article-table tr:last-child td { border-bottom: 0; }

.article-sidebar { position: sticky; top: 112px; display: grid; gap: 16px; }
.toc, .sidebar-cta {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255,255,255,.022);
  box-shadow: 0 25px 70px rgba(0,0,0,.22);
}
.toc > b, .sidebar-cta > b { display: block; margin-bottom: 16px; font-size: 13px; }
.toc ol { margin: 0; padding-left: 18px; display: grid; gap: 11px; }
.toc li { color: var(--lime); font-size: 11px; }
.toc a { color: #9da698; line-height: 1.45; }
.toc a:hover { color: #fff; }
.sidebar-cta { background: radial-gradient(circle at 30% 0, rgba(186,255,18,.12), transparent 42%), #0b0e09; }
.sidebar-cta p { margin: 0 0 18px; font-size: 12px; line-height: 1.62; }
.sidebar-cta .button { width: 100%; min-height: 46px; padding-inline: 12px; font-size: 12px; }

.article-end-cta {
  position: relative;
  margin-top: 70px;
  padding: 36px;
  overflow: hidden;
  border: 1px solid rgba(186,255,18,.24);
  border-radius: 28px;
  background: radial-gradient(circle at 85% 50%, rgba(186,255,18,.16), transparent 34%), linear-gradient(135deg, #10150b, #080a07);
}
.article-end-cta h2 { max-width: 680px; margin: 0 0 16px; font-size: clamp(34px, 4.2vw, 54px); }
.article-end-cta p { max-width: 650px; margin-bottom: 25px; }

.related-section { padding-top: 74px; }
.related-section h2 { margin-bottom: 28px; font-size: 36px; }
.related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.related-card { min-height: 190px; padding: 23px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid var(--line); border-radius: 21px; background: rgba(255,255,255,.018); }
.related-card:hover { border-color: rgba(186,255,18,.32); background: rgba(186,255,18,.035); }
.related-card span { color: var(--lime); font-size: 9px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.related-card h3 { margin: 38px 0 0; font-size: 18px; }

.knowledge-index .knowledge-hero { padding-bottom: 110px; }
.knowledge-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 17px; }
.knowledge-card { position: relative; min-height: 320px; padding: 30px; overflow: hidden; border: 1px solid var(--line); border-radius: 25px; background: linear-gradient(145deg, rgba(255,255,255,.036), rgba(255,255,255,.012)); }
.knowledge-card:hover { border-color: rgba(186,255,18,.35); }
.knowledge-card > b { position: absolute; top: 27px; right: 28px; color: rgba(186,255,18,.26); font: 600 12px "SFMono-Regular", Consolas, monospace; }
.knowledge-card h2 { margin: 70px 0 15px; font-size: clamp(30px, 4vw, 46px); line-height: 1; }
.knowledge-card p { max-width: 540px; margin: 0 0 50px; font-size: 14px; }
.knowledge-card .article-read { left: 30px; bottom: 28px; }

.knowledge-footer { padding: 42px 0; border-top: 1px solid var(--line); background: #040504; }
.knowledge-footer .container { display: flex; justify-content: space-between; gap: 30px; color: #626b5e; font-size: 11px; }
.knowledge-footer a { color: #aeb6a9; }
.knowledge-footer a:hover { color: var(--lime); }

@media (max-width: 920px) {
  .knowledge-nav > a:not(.button) { display: none; }
  .article-layout { grid-template-columns: 1fr; gap: 45px; }
  .article-sidebar { position: static; grid-template-columns: 1fr 1fr; order: -1; }
  .related-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .knowledge-header { top: 10px; width: calc(100% - 20px); min-height: 62px; padding: 8px 10px 8px 14px; border-radius: 16px; }
  .knowledge-brand { font-size: 14px; }
  .knowledge-brand img { width: 34px; height: 34px; }
  .knowledge-nav .button { min-height: 40px; padding-inline: 12px; font-size: 11px; }
  .knowledge-hero { padding: 125px 0 72px; background-position: 72% center; }
  .knowledge-hero h1 { font-size: clamp(43px, 13vw, 62px); }
  .knowledge-lead { font-size: 16px; }
  .knowledge-content { padding: 66px 0 90px; }
  .article-body h2 { margin-top: 55px; font-size: 35px; }
  .article-body h3 { font-size: 21px; }
  .article-body p, .article-body li { font-size: 15px; }
  .article-sidebar { grid-template-columns: 1fr; }
  .article-end-cta { padding: 27px 23px; }
  .related-grid, .knowledge-grid { grid-template-columns: 1fr; }
  .knowledge-card { min-height: 285px; padding: 25px; }
  .knowledge-card .article-read { left: 25px; }
  .knowledge-footer .container { flex-direction: column; }
}