:root {--k4-gold: #f0c159;--k4-text: rgb(245,245,247);--k4-bg: #0d0d10;--k4-bg-alt: rgba(23,23,28,1);--k4-gold-dark: #c99a3a;--k4-bg-card: #1d1d24;--k4-border: rgba(240, 193, 89, 0.25);--k4-layout-max: 1200px;--k4-text-muted: rgb(169,169,179);--k4-radius: 12px}

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

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


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

.k4-nav__links {flex: 1;display: flex;align-items: center;flex-wrap: wrap;gap: 4px}
.k4-nav__link {display: inline-block;font-weight: 600;border-radius: 8px;padding: 8px 10px;white-space: nowrap;text-transform: capitalize;font-size: 0.82rem;color: var(--k4-text)}
.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;align-items: center;display: flex;gap: 8px}
.k4-btn {font-size: 0.82rem;font-weight: 700;display: inline-block;padding: 9px 16px;white-space: nowrap;border-radius: 999px}
.k4-btn--ghost {color: var(--k4-gold);border: 1px solid var(--k4-gold)}
.k4-btn--solid {color: rgb(26,20,0);background: linear-gradient(135deg, var(--k4-gold), var(--k4-gold-dark))}

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


.k4-breadcrumb {padding: 10px 0;border-bottom: 1px solid var(--k4-border)}
.k4-breadcrumb .k4-wrap {display: flex;align-items: center;color: var(--k4-text-muted);font-size: 0.78rem;gap: 6px}
.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 {color: var(--k4-text);font-size: clamp(1.5rem, 4vw, 2.1rem)}
.k4-p {max-width: 860px;color: var(--k4-text-muted);font-size: 0.98rem}

.k4-cta-row { margin: 22px 0; }
.k4-btn-register {font-size: 0.95rem;color: rgb(26,20,0);padding: 14px 26px;font-weight: 800;border-radius: 999px;gap: 10px;align-items: center;display: inline-flex;letter-spacing: 0.02em;background: linear-gradient(135deg, var(--k4-gold), var(--k4-gold-dark))}
.k4-btn-arrow {flex-shrink: 0;fill: rgba(26,20,0,1)}

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

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

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


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

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


.sf-sticky-cta {position: fixed;align-items: center;border-top: 2px solid var(--k4-gold);transform: translateX(-50%);gap: 12px;box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.4);left: 50%;display: flex;z-index: 999999;width: min(100%, var(--k4-layout-max));bottom: 0;justify-content: space-between;background: var(--k4-bg-alt);padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px))}
.sf-sticky-cta__meta {line-height: 1.3;flex-direction: column;min-width: 0;display: flex}
.sf-sticky-cta__meta strong {color: var(--k4-gold);font-size: 0.95rem}
.sf-sticky-cta__meta span {white-space: nowrap;font-size: 0.75rem;overflow: hidden;text-overflow: ellipsis;color: var(--k4-text-muted)}
.sf-sticky-cta__button {flex-shrink: 0;white-space: nowrap;font-size: 0.9rem;background: linear-gradient(135deg, var(--k4-gold), var(--k4-gold-dark));padding: 12px 22px;font-weight: 800;border-radius: 999px;color: #1a1400}
@media (max-width: 480px) {
  .sf-sticky-cta {padding: 10px 12px;gap: 8px}
  .sf-sticky-cta__meta span { display: none; }
  .sf-sticky-cta__button {font-size: 0.85rem;padding: 9px 16px}
}


: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']){gap:16px !important;grid-template-columns:1fr !important;align-items:start !important;display:grid !important}
  :where([class*='footer__summary'],[class*='footer__bottom']){display:flex;align-items:flex-start;flex-direction:column;text-align:left;gap:10px}
  :where([class*='footer__brand']){float:none !important;max-width:110px;clear:both;margin-bottom:12px;max-height:110px}
}


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