:root {--k4-bg: rgb(13,13,16);--k4-layout-max: 1200px;--k4-gold: #f0c159;--k4-border: rgba(240, 193, 89, 0.25);--k4-text: rgb(245,245,247);--k4-gold-dark: #c99a3a;--k4-radius: 12px;--k4-bg-alt: #17171c;--k4-bg-card: #1d1d24;--k4-text-muted: #a9a9b3}

* { box-sizing: border-box; }
html {scroll-behavior: smooth;overflow-x: hidden}
body.k4-body {color: var(--k4-text);background: var(--k4-bg);margin: 0;font-family: 'Roboto', 'Segoe UI', Arial, sans-serif;overflow-x: hidden;line-height: 1.65;isolation:auto;user-select:auto}
img {height: auto;display: block;max-width: 100%}
a {color: inherit;text-decoration: none}
ul, ol {padding: 0;list-style: none;margin: 0}
h1, h2, h3, h4 {margin: 0 0 0.6em;line-height: 1.25}
p {color: var(--k4-text-muted);margin: 0 0 1em}

.k4-wrap {max-width: var(--k4-layout-max);margin: 0 auto;padding: 0 20px}


.k4-header {background: rgba(13, 13, 16, 0.96);border-bottom: 1px solid var(--k4-border);position: sticky;top: 0;backdrop-filter: blur(6px);z-index: 1000}
.k4-nav {align-items: center;gap: 16px;display: flex;padding: 14px 20px}
.k4-menu-btn {width: 38px;background: none;display: none;justify-content: center;border: 1px solid var(--k4-border);border-radius: 8px;height: 38px;flex-shrink: 0;gap: 5px;cursor: pointer;flex-direction: column}
.k4-menu-btn span {margin: 0 auto;height: 2px;background: var(--k4-gold);width: 18px;display: block}
.k4-logo {flex-shrink: 0;gap: 8px;align-items: center;display: flex}
.k4-logo__img {height: 40px;width: 40px;object-fit: cover;border-radius: 50%}
.k4-logo__text {color: var(--k4-gold);font-size: 1.1rem;letter-spacing: 0.02em;font-weight: 800}

.k4-nav__links {flex: 1;gap: 4px;display: flex;flex-wrap: wrap;align-items: center}
.k4-nav__link {padding: 8px 10px;border-radius: 8px;text-transform: capitalize;font-weight: 600;color: var(--k4-text);display: inline-block;white-space: nowrap;font-size: 0.82rem}
.k4-nav__link:hover, .k4-nav__link--current {color: var(--k4-gold);background: rgba(240, 193, 89, 0.1)}

.k4-nav__actions {flex-shrink: 0;gap: 8px;align-items: center;display: flex}
.k4-btn {font-size: 0.82rem;border-radius: 999px;font-weight: 700;display: inline-block;padding: 9px 16px;white-space: nowrap}
.k4-btn--ghost {color: var(--k4-gold);border: 1px solid var(--k4-gold)}
.k4-btn--solid {background: linear-gradient(135deg, var(--k4-gold), var(--k4-gold-dark));color: #1a1400}

@media (max-width: 860px) {
  .k4-menu-btn { display: flex; }
  .k4-nav__links {background: var(--k4-bg-alt);transition: transform .25s ease;left: 0;overflow-y: auto;bottom: 0;position: fixed;padding: 16px;gap: 2px;z-index: 999;transform: translateX(-100%);flex-direction: column;top: 68px;align-items: stretch;right: 0}
  .k4-nav__links.k4-is-open { transform: translateX(0); }
  .k4-nav__link {padding: 12px 10px;border-bottom: 1px solid var(--k4-border);border-radius: 0}
  .k4-nav__actions .k4-btn--ghost { display: none; }
}


.k4-breadcrumb {border-bottom: 1px solid var(--k4-border);padding: 10px 0}
.k4-breadcrumb .k4-wrap {display: flex;font-size: 0.78rem;color: var(--k4-text-muted);gap: 6px;align-items: center}
.k4-breadcrumb a { color: var(--k4-gold); }
.k4-breadcrumb__sep { opacity: .5; }


.k4-main { min-height: 60vh; }
.k4-article { padding: 32px 0 56px; }
.k4-h1 {font-size: clamp(1.5rem, 4vw, 2.1rem);color: var(--k4-text)}
.k4-p {font-size: 0.98rem;max-width: 860px;color: var(--k4-text-muted)}

.k4-cta-row { margin: 22px 0; }
.k4-btn-register {font-weight: 800;font-size: 0.95rem;background: linear-gradient(135deg, var(--k4-gold), var(--k4-gold-dark));padding: 14px 26px;border-radius: 999px;align-items: center;gap: 10px;display: inline-flex;color: #1a1400;letter-spacing: 0.02em}
.k4-btn-arrow {fill: #1a1400;flex-shrink: 0}

.k4-media-link {display: flex;border-radius: var(--k4-radius);overflow: hidden;border: 1px solid var(--k4-border);justify-content: center;margin: 20px 0}
.k4-media-link--logo {margin: 20px auto;max-width: 220px}
.k4-media-img {display: block;width: 100%}
.k4-logo-fallback {align-items: center;background: linear-gradient(145deg, var(--k4-bg-card), var(--k4-bg-alt));aspect-ratio: 1 / 1}
.k4-logo-fallback__mark {line-height: 1;font-family: 'Roboto', 'Segoe UI', Arial, sans-serif;font-weight: 700;font-size: 4rem;color: var(--k4-gold)}

.k4-rich h2 {margin-top: 1.6em;color: var(--k4-gold);font-size: 1.2rem}
.k4-steps li, .k4-rich ul li {margin-bottom: 8px;padding-left: 18px;position: relative;color: var(--k4-text-muted)}
.k4-steps { counter-reset: k4-step; }
.k4-steps li::before {font-weight: 800;counter-increment: k4-step;content: counter(k4-step) '.';left: 0;color: var(--k4-gold);position: absolute}
.k4-rich ul li::before {position: absolute;color: var(--k4-gold);left: 0;content: '•'}
.k4-table {width: 100%;margin: 16px 0;border-collapse: collapse;font-size: 0.88rem}
.k4-table th, .k4-table td {color: var(--k4-text-muted);padding: 10px 12px;text-align: left;border: 1px solid var(--k4-border)}
.k4-table th {background: var(--k4-bg-card);color: var(--k4-gold)}

.k4-related {align-items: center;display: flex;border-top: 1px solid var(--k4-border);padding-top: 20px;gap: 10px;flex-wrap: wrap;margin-top: 28px}
.k4-related__title {font-size: 0.85rem;color: var(--k4-text-muted);margin: 0}
.k4-related__link {border: 1px solid var(--k4-border);border-radius: 999px;padding: 6px 12px;font-size: 0.85rem;color: var(--k4-gold)}


.k4-footer {background: var(--k4-bg-alt);padding: 40px 0 24px;border-top: 1px solid var(--k4-border);margin-top: 40px}
.k4-footer__grid {gap: 28px;display: grid;grid-template-columns: 1.4fr 1fr 1fr}
.k4-footer__logo {height: 56px;object-fit: cover;margin-bottom: 10px;border-radius: 50%;width: 56px}
.k4-footer__logo-text {font-weight: 800;font-size: 1.1rem;color: var(--k4-gold)}
.k4-footer__desc {max-width: 340px;color: var(--k4-text-muted);font-size: 0.85rem}
.k4-footer__col-title {color: var(--k4-gold);margin-bottom: 10px;font-size: 0.9rem}
.k4-footer__col-list li { margin-bottom: 6px; }
.k4-footer__col-link {color: var(--k4-text-muted);font-size: 0.85rem}
.k4-footer__col-link:hover { color: var(--k4-gold); }
.k4-footer__bottom {margin-top: 28px;padding-top: 18px;gap: 6px 16px;flex-wrap: wrap;display: flex;border-top: 1px solid var(--k4-border)}
.k4-footer__copy, .k4-footer__warn {color: var(--k4-text-muted);margin: 0;font-size: 0.78rem}

@media (max-width: 760px) {
  .k4-footer__grid { grid-template-columns: 1fr; }
}


.sf-sticky-cta {justify-content: space-between;left: 50%;z-index: 999999;gap: 12px;bottom: 0;width: min(100%, var(--k4-layout-max));box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.4);background: var(--k4-bg-alt);align-items: center;border-top: 2px solid var(--k4-gold);transform: translateX(-50%);position: fixed;display: flex;padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px))}
.sf-sticky-cta__meta {min-width: 0;display: flex;flex-direction: column;line-height: 1.3}
.sf-sticky-cta__meta strong {color: var(--k4-gold);font-size: 0.95rem}
.sf-sticky-cta__meta span {font-size: 0.75rem;overflow: hidden;text-overflow: ellipsis;color: var(--k4-text-muted);white-space: nowrap}
.sf-sticky-cta__button {padding: 12px 22px;white-space: nowrap;font-size: 0.9rem;background: linear-gradient(135deg, var(--k4-gold), var(--k4-gold-dark));font-weight: 800;border-radius: 999px;color: rgb(26,20,0);flex-shrink: 0}
@media (max-width: 480px) {
  .sf-sticky-cta {gap: 8px;padding: 10px 12px}
  .sf-sticky-cta__meta span { display: none; }
  .sf-sticky-cta__button {padding: 9px 16px;font-size: 0.85rem}
}


:where(footer,[class*='-footer']){position:relative;z-index:1;overflow:visible}
:where([class*='footer__grid'],[class*='footer__strip'],[class*='footer__bar']){min-width:0}
:where([class*='footer__grid'],[class*='footer__strip'],[class*='footer__bar'])>*{max-width:100%;min-width:0}
:where([class*='footer__brandblock'],[class*='footer__summary'],[class*='footer__meta'],[class*='footer__copy'],[class*='footer__warn'],[class*='linkstack']){word-break:break-word;overflow-wrap:anywhere}
@media(max-width:760px){
  .sf-has-sticky-cta :where([class*='-shell']),.sf-has-sticky-cta main{padding-bottom:calc(140px + env(safe-area-inset-bottom,0px)) !important}
  .sf-has-sticky-cta main~footer,.sf-has-sticky-cta :where(footer,[class$='-footer']){padding-bottom:calc(112px + env(safe-area-inset-bottom,0px)) !important}
  :where([class*='footer__grid'],[class*='footer__strip'],[class*='footer__bar']){align-items:start !important;grid-template-columns:1fr !important;display:grid !important;gap:16px !important}
  :where([class*='footer__summary'],[class*='footer__bottom']){flex-direction:column;gap:10px;align-items:flex-start;display:flex;text-align:left}
  :where([class*='footer__brand']){float:none !important;max-width:110px;max-height:110px;clear:both;margin-bottom:12px}
}


.sf-related-articles{border:1px solid rgba(148,163,184,.24);padding:clamp(18px,3vw,28px);margin:clamp(28px,5vw,56px) auto;max-width:1120px;background:rgba(255,255,255,.06);border-radius:24px;box-shadow:0 16px 45px rgba(15,23,42,.08)}
.sf-related-articles h2{font-size:clamp(1.35rem,2.5vw,2rem);line-height:1.2;margin:0 0 8px}
.sf-related-articles>p{margin:0 0 18px;line-height:1.65;opacity:.78}
.sf-related-articles__list{margin:0;display:grid;list-style:none;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));padding:0;gap:14px}
.sf-related-articles__item{margin:0;list-style:none;padding:0}
.sf-related-articles__link{display:flex;min-height:100%;transition:transform .18s ease,border-color .18s ease,background .18s ease;text-decoration:none;border-radius:18px;padding:16px;flex-direction:column;border:1px solid rgba(148,163,184,.18);color:inherit;background:rgba(255,255,255,.08);gap:7px}
.sf-related-articles__link:hover{border-color:rgba(59,130,246,.45);background:rgba(255,255,255,.13);transform:translateY(-2px)}
.sf-related-articles__type{color:inherit;background:rgba(59,130,246,.14);width:max-content;font-weight:700;text-transform:uppercase;opacity:.88;font-size:.72rem;letter-spacing:.04em;border-radius:999px;padding:3px 9px}
.sf-related-articles strong{line-height:1.35;font-size:1rem}
.sf-related-articles small{opacity:.72;font-size:.88rem;line-height:1.45}
@media(max-width:640px){.sf-related-articles{margin:28px 12px;border-radius:18px;padding:16px}.sf-related-articles__list{grid-template-columns:1fr}.sf-related-articles__link{padding:14px}}