:root {--k4-radius: 12px;--k4-bg: #0d0d10;--k4-text: #f5f5f7;--k4-gold: #f0c159;--k4-layout-max: 1200px;--k4-bg-alt: #17171c;--k4-bg-card: #1d1d24;--k4-text-muted: #a9a9b3;--k4-border: rgba(240, 193, 89, 0.25);--k4-gold-dark: #c99a3a}

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

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


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

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

.k4-nav__actions {gap: 8px;align-items: center;display: flex;flex-shrink: 0}
.k4-btn {white-space: nowrap;display: inline-block;font-weight: 700;border-radius: 999px;font-size: 0.82rem;padding: 9px 16px}
.k4-btn--ghost {border: 1px solid var(--k4-gold);color: 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 {align-items: stretch;z-index: 999;transform: translateX(-100%);padding: 16px;transition: transform .25s ease;top: 68px;bottom: 0;background: var(--k4-bg-alt);left: 0;gap: 2px;overflow-y: auto;position: fixed;right: 0;flex-direction: column}
  .k4-nav__links.k4-is-open { transform: translateX(0); }
  .k4-nav__link {border-bottom: 1px solid var(--k4-border);border-radius: 0;padding: 12px 10px}
  .k4-nav__actions .k4-btn--ghost { display: none; }
}


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

.k4-cta-row { margin: 22px 0; }
.k4-btn-register {background: linear-gradient(135deg, var(--k4-gold), var(--k4-gold-dark));font-size: 0.95rem;color: #1a1400;font-weight: 800;letter-spacing: 0.02em;gap: 10px;align-items: center;border-radius: 999px;padding: 14px 26px;display: inline-flex}
.k4-btn-arrow {fill: rgba(26,20,0,1);flex-shrink: 0}

.k4-media-link {margin: 20px 0;justify-content: center;border-radius: var(--k4-radius);display: flex;border: 1px solid var(--k4-border);overflow: hidden}
.k4-media-link--logo {margin: 20px auto;max-width: 220px}
.k4-media-img {display: block;width: 100%}
.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 {font-family: 'Roboto', 'Segoe UI', Arial, sans-serif;font-weight: 700;font-size: 4rem;color: var(--k4-gold);line-height: 1}

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

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


.k4-footer {margin-top: 40px;background: var(--k4-bg-alt);padding: 40px 0 24px;border-top: 1px solid var(--k4-border)}
.k4-footer__grid {display: grid;gap: 28px;grid-template-columns: 1.4fr 1fr 1fr}
.k4-footer__logo {height: 56px;width: 56px;margin-bottom: 10px;border-radius: 50%;object-fit: cover}
.k4-footer__logo-text {font-size: 1.1rem;font-weight: 800;color: var(--k4-gold)}
.k4-footer__desc {max-width: 340px;font-size: 0.85rem;color: var(--k4-text-muted)}
.k4-footer__col-title {margin-bottom: 10px;font-size: 0.9rem;color: var(--k4-gold)}
.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;flex-wrap: wrap;border-top: 1px solid var(--k4-border);padding-top: 18px;display: flex;gap: 6px 16px}
.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 {justify-content: space-between;align-items: center;left: 50%;border-top: 2px solid var(--k4-gold);background: var(--k4-bg-alt);width: min(100%, var(--k4-layout-max));display: flex;bottom: 0;gap: 12px;box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.4);padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px));transform: translateX(-50%);z-index: 999999;position: fixed}
.sf-sticky-cta__meta {min-width: 0;flex-direction: column;display: flex;line-height: 1.3}
.sf-sticky-cta__meta strong {font-size: 0.95rem;color: var(--k4-gold)}
.sf-sticky-cta__meta span {font-size: 0.75rem;color: var(--k4-text-muted);white-space: nowrap;text-overflow: ellipsis;overflow: hidden}
.sf-sticky-cta__button {white-space: nowrap;background: linear-gradient(135deg, var(--k4-gold), var(--k4-gold-dark));font-size: 0.9rem;padding: 12px 22px;flex-shrink: 0;font-weight: 800;border-radius: 999px;color: #1a1400}
@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']){z-index:1;position:relative;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;display:grid !important;align-items:start !important;grid-template-columns:1fr !important}
  :where([class*='footer__summary'],[class*='footer__bottom']){gap:10px;display:flex;flex-direction:column;align-items:flex-start;text-align:left}
  :where([class*='footer__brand']){max-height:110px;margin-bottom:12px;float:none !important;clear:both;max-width:110px}
}


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