:root {--k4-bg: #0d0d10;--k4-text: #f5f5f7;--k4-bg-alt: #17171c;--k4-gold: rgb(240,193,89);--k4-gold-dark: rgba(201,154,58,1);--k4-text-muted: #a9a9b3;--k4-bg-card: #1d1d24;--k4-layout-max: 1200px;--k4-border: rgba(240, 193, 89, 0.25);--k4-radius: 12px}

* { box-sizing: border-box; }
html {overflow-x: hidden;scroll-behavior: smooth}
body.k4-body {overflow-x: hidden;font-family: 'Roboto', 'Segoe UI', Arial, sans-serif;line-height: 1.65;margin: 0;background: var(--k4-bg);color: var(--k4-text);user-select:auto;outline-offset:0;pointer-events:auto;visibility:visible}
img {max-width: 100%;height: auto;display: block}
a {text-decoration: none;color: inherit}
ul, ol {padding: 0;list-style: none;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 {border-bottom: 1px solid var(--k4-border);z-index: 1000;backdrop-filter: blur(6px);top: 0;position: sticky;background: rgba(13, 13, 16, 0.96)}
.k4-nav {padding: 14px 20px;gap: 16px;align-items: center;display: flex}
.k4-menu-btn {flex-direction: column;gap: 5px;background: none;display: none;border: 1px solid var(--k4-border);width: 38px;justify-content: center;flex-shrink: 0;height: 38px;cursor: pointer;border-radius: 8px}
.k4-menu-btn span {margin: 0 auto;width: 18px;height: 2px;background: var(--k4-gold);display: block}
.k4-logo {gap: 8px;flex-shrink: 0;align-items: center;display: flex}
.k4-logo__img {border-radius: 50%;width: 40px;object-fit: cover;height: 40px}
.k4-logo__text {font-weight: 800;letter-spacing: 0.02em;color: var(--k4-gold);font-size: 1.1rem}

.k4-nav__links {align-items: center;gap: 4px;display: flex;flex: 1;flex-wrap: wrap}
.k4-nav__link {padding: 8px 10px;border-radius: 8px;display: inline-block;font-weight: 600;text-transform: capitalize;font-size: 0.82rem;white-space: nowrap;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 {gap: 8px;flex-shrink: 0;align-items: center;display: flex}
.k4-btn {white-space: nowrap;border-radius: 999px;padding: 9px 16px;font-size: 0.82rem;display: inline-block;font-weight: 700}
.k4-btn--ghost {color: var(--k4-gold);border: 1px solid var(--k4-gold)}
.k4-btn--solid {color: #1a1400;background: linear-gradient(135deg, var(--k4-gold), var(--k4-gold-dark))}

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


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

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

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

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

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


.k4-footer {padding: 40px 0 24px;margin-top: 40px;background: var(--k4-bg-alt);border-top: 1px solid var(--k4-border)}
.k4-footer__grid {gap: 28px;grid-template-columns: 1.4fr 1fr 1fr;display: grid}
.k4-footer__logo {width: 56px;margin-bottom: 10px;height: 56px;border-radius: 50%;object-fit: cover}
.k4-footer__logo-text {color: var(--k4-gold);font-size: 1.1rem;font-weight: 800}
.k4-footer__desc {color: var(--k4-text-muted);max-width: 340px;font-size: 0.85rem}
.k4-footer__col-title {font-size: 0.9rem;margin-bottom: 10px;color: var(--k4-gold)}
.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 {gap: 6px 16px;flex-wrap: wrap;display: flex;margin-top: 28px;padding-top: 18px;border-top: 1px solid var(--k4-border)}
.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 {padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px));display: flex;bottom: 0;transform: translateX(-50%);box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.4);background: var(--k4-bg-alt);align-items: center;width: min(100%, var(--k4-layout-max));gap: 12px;z-index: 999999;left: 50%;border-top: 2px solid var(--k4-gold);justify-content: space-between;position: fixed}
.sf-sticky-cta__meta {display: flex;line-height: 1.3;flex-direction: column;min-width: 0}
.sf-sticky-cta__meta strong {font-size: 0.95rem;color: var(--k4-gold)}
.sf-sticky-cta__meta span {text-overflow: ellipsis;font-size: 0.75rem;overflow: hidden;color: var(--k4-text-muted);white-space: nowrap}
.sf-sticky-cta__button {border-radius: 999px;color: rgb(26,20,0);background: linear-gradient(135deg, var(--k4-gold), var(--k4-gold-dark));white-space: nowrap;padding: 12px 22px;font-weight: 800;flex-shrink: 0;font-size: 0.9rem}
@media (max-width: 480px) {
  .sf-sticky-cta {padding: 10px 12px;gap: 8px}
  .sf-sticky-cta__meta span { display: none; }
  .sf-sticky-cta__button {padding: 9px 16px;font-size: 0.85rem}
}


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


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