:root{
  --bg:#050b0a;
  --bg-2:#0b1714;
  --panel:#0f1f1a;
  --panel-2:#132620;
  --line:#223930;
  --text:#f2f7f4;
  --muted:#a5b8af;
  --accent:#69f0a8;
  --accent-2:#19c57c;
  --danger:#ff6b6b;
  --shadow:0 22px 60px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:radial-gradient(circle at top,#143126 0%,#08110f 42%,#050b0a 100%);color:var(--text);line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1120px,calc(100% - 32px));margin:0 auto}
.skip-link{position:absolute;left:-999px;top:8px;background:#fff;color:#000;padding:8px 12px;border-radius:8px;z-index:10}
.skip-link:focus{left:16px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-header{position:sticky;top:0;z-index:30;background:rgba(5,11,10,.8);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:78px;gap:16px}
.brand-logo{height:34px;width:auto}
.site-nav{display:flex;align-items:center;gap:22px;font-size:14px;color:var(--muted)}
.site-nav a:hover,.site-nav a:focus{color:var(--text)}
.menu-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:11px 12px;width:48px;height:44px;cursor:pointer}
.menu-toggle span{display:block;height:2px;background:var(--text);margin:5px 0;border-radius:2px}
.issue-shell{padding:40px 0 22px}
.issue-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:22px;align-items:start}
.issue-main,.check-card,.reason-card,.solution-note,.retry-panel,.faq-list details,.footer-inner{box-shadow:var(--shadow)}
.issue-main{background:linear-gradient(180deg,rgba(19,38,32,.96),rgba(10,18,16,.98));border:1px solid rgba(255,255,255,.06);border-radius:28px;padding:34px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
.issue-main h1{margin:0;font-size:clamp(34px,5vw,58px);line-height:1.04;letter-spacing:-.03em}
.lead{margin:14px 0 0;color:var(--muted);max-width:56ch;font-size:17px}
.status-window{margin-top:26px;border:1px solid rgba(255,255,255,.08);border-radius:24px;overflow:hidden;background:#0a1311}
.status-bar{display:flex;gap:8px;padding:14px 16px;border-bottom:1px solid rgba(255,255,255,.06);background:#09110f}
.status-bar span{width:10px;height:10px;border-radius:50%;background:#243a33}
.status-body{padding:24px}
.status-chip{display:inline-flex;padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700}
.status-chip.danger{background:rgba(255,107,107,.14);color:#ff8f8f;border:1px solid rgba(255,107,107,.22)}
.status-body h2{margin:14px 0 8px;font-size:28px}
.status-body p{margin:0;color:var(--muted)}
.status-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.status-tags span,.retry-pill{display:inline-flex;align-items:center;padding:9px 12px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);font-size:13px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:14px;border:1px solid transparent;font-weight:700}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#032112}
.btn-secondary{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.1)}
.check-card{background:linear-gradient(180deg,#152922,#0f1d19);border:1px solid rgba(255,255,255,.06);border-radius:28px;padding:28px;position:sticky;top:100px}
.check-card h2,.section-head h2,.footer-links h2,.footer-note h2{margin:0}
.check-card p{color:var(--muted);margin:8px 0 18px}
.checklist{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.checklist li{position:relative;padding:14px 14px 14px 42px;border:1px solid rgba(255,255,255,.06);border-radius:18px;background:rgba(255,255,255,.03)}
.checklist li::before{content:"";position:absolute;left:16px;top:18px;width:14px;height:14px;border-radius:50%;background:radial-gradient(circle at 30% 30%,var(--accent),#2b7e5a)}
.mini-note{margin-top:18px;padding:14px 16px;border-radius:18px;background:rgba(105,240,168,.08);border:1px solid rgba(105,240,168,.14);color:#d8f8e9}
.section{padding:28px 0}
.section-dark{background:linear-gradient(180deg,rgba(10,18,16,.2),rgba(10,18,16,.55))}
.section-muted{background:rgba(255,255,255,.03)}
.section-head{margin-bottom:18px}
.section-head.left{text-align:left}
.section-head h2{font-size:clamp(24px,3vw,38px);line-height:1.12}
.section-head p{margin:8px 0 0;color:var(--muted)}
.reason-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.reason-card{background:linear-gradient(180deg,#152620,#0d1714);border:1px solid rgba(255,255,255,.06);border-radius:22px;padding:20px;min-height:188px}
.reason-index{display:inline-flex;width:36px;height:36px;border-radius:12px;align-items:center;justify-content:center;background:rgba(105,240,168,.12);color:var(--accent);font-weight:800;font-size:13px}
.reason-card h3{margin:16px 0 8px;font-size:20px}
.reason-card p{margin:0;color:var(--muted)}
.solution-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr);gap:18px;align-items:start}
.solution-steps{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.solution-steps li{display:grid;grid-template-columns:74px 1fr;gap:16px;align-items:start;padding:18px 20px;border-radius:22px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06)}
.solution-steps span{display:flex;align-items:center;justify-content:center;width:58px;height:58px;border-radius:18px;background:rgba(105,240,168,.12);color:var(--accent);font-weight:800}
.solution-steps h3{margin:0 0 6px}
.solution-steps p{margin:0;color:var(--muted)}
.solution-note{background:linear-gradient(180deg,#173126,#101d19);border:1px solid rgba(255,255,255,.06);border-radius:26px;padding:28px;position:sticky;top:100px}
.solution-note p{color:var(--muted)}
.retry-panel{display:flex;align-items:center;justify-content:space-between;gap:18px;background:linear-gradient(135deg,rgba(25,197,124,.16),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.08);border-radius:26px;padding:22px}
.retry-panel p{color:var(--muted);margin:8px 0 0}
.retry-actions{display:flex;flex-wrap:wrap;gap:10px}
.faq-list{display:grid;gap:12px}
.faq-list details{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);border-radius:20px;padding:4px 18px}
.faq-list summary{cursor:pointer;list-style:none;font-weight:700;padding:16px 0}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list p{margin:0 0 16px;color:var(--muted)}
.site-footer{padding:30px 0 44px}
.footer-inner{display:grid;grid-template-columns:1.3fr .8fr .8fr;gap:18px;background:linear-gradient(180deg,#0d1714,#09100e);border:1px solid rgba(255,255,255,.06);border-radius:28px;padding:24px}
.footer-logo{height:30px;width:auto;margin-bottom:12px}
.footer-brand p,.footer-note p{margin:0;color:var(--muted)}
.footer-links{display:grid;gap:10px}
.footer-links a{color:var(--muted)}
.footer-links a:hover{color:var(--text)}
@media (max-width: 980px){
  .issue-grid,.solution-grid,.footer-inner{grid-template-columns:1fr}
  .check-card,.solution-note{position:static}
  .reason-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width: 760px){
  .header-inner{min-height:68px}
  .menu-toggle{display:block}
  .site-nav{position:absolute;left:16px;right:16px;top:74px;flex-direction:column;align-items:stretch;background:#09100e;border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:14px;display:none}
  .site-nav.is-open{display:flex}
  .issue-main,.check-card,.solution-note,.retry-panel,.footer-inner{padding:20px;border-radius:22px}
  .reason-grid{grid-template-columns:1fr}
  .solution-steps li{grid-template-columns:1fr}
  .retry-panel{flex-direction:column;align-items:flex-start}
}
