.support-page{
  --support-line:rgba(17,19,23,.025);
  --support-shadow:0 12px 28px rgba(0,0,0,.06);
  background:#f7f7f8;
  font-size:15px;
  line-height:1.76;
}
.support-page .site-header{border-bottom:.75px solid var(--support-line);box-shadow:0 5px 18px rgba(17,19,23,.02)}
.support-page .nav{width:min(1120px,calc(100% - 40px));min-height:62px}
.support-page .brand-icon{display:block;object-fit:cover;background:none;box-shadow:0 7px 18px rgba(19,27,45,.12);font-size:0}
.support-page main{width:min(1120px,calc(100% - 40px));padding:44px 0 80px}
.support-page .hero{padding:32px 36px;border:.75px solid var(--support-line);border-radius:24px;background:#fff;box-shadow:var(--support-shadow)}
.support-page .eyebrow{margin-bottom:8px;color:#85888d;font-size:11px;letter-spacing:.12em}
.support-page h1{font-size:38px;line-height:1.22;letter-spacing:-.03em}
.support-page .lead{max-width:840px;margin-top:12px;color:#62666c;font-size:15px;line-height:1.75}
.support-page .meta{gap:7px 18px;margin-top:18px;font-size:11.5px}
.support-page .section-grid{gap:14px;margin-top:18px}
.support-page .card{padding:24px 26px;border:.75px solid var(--support-line);border-radius:20px;box-shadow:var(--support-shadow)}
.support-page .card h2{margin-bottom:8px;font-size:18px}
.support-page .card p{font-size:13.5px;line-height:1.72}
.support-page .card .action{margin-top:16px;color:#191a1d;font-size:13px}
.support-layout{display:grid;grid-template-columns:188px minmax(0,1fr);gap:18px;align-items:start;margin-top:18px}
.support-toc{position:sticky;top:80px;padding:17px;border:.75px solid var(--support-line);border-radius:18px;background:#fff;box-shadow:var(--support-shadow)}
.support-toc>p{margin:0 0 8px;color:#858b94;font-size:10px;font-weight:800;letter-spacing:.12em}
.support-toc nav{display:grid;gap:2px}
.support-toc a{padding:7px 9px;border-radius:9px;color:#505763;font-size:12px;font-weight:650;text-decoration:none}
.support-toc a:hover{background:#f4f5f6;color:#111317;text-decoration:none}
.support-content{min-width:0}
.support-page .content-section{margin:0 0 12px;padding:24px 28px;border:.75px solid var(--support-line);border-radius:20px;background:#fff;box-shadow:var(--support-shadow);scroll-margin-top:82px}
.support-page .content-section h2{margin-bottom:10px;font-size:20px;line-height:1.4;letter-spacing:-.015em}
.support-page .content-section h3{margin:20px 0 7px;font-size:16px}
.support-page .content-section p,.support-page .content-section ul{color:#525a66;font-size:14px}
.support-page .content-section li+li{margin-top:5px}
.support-page .notice{margin-top:14px;padding:14px 16px;border:.75px solid rgba(17,19,23,.025);border-radius:14px;background:#f6f6f7;box-shadow:0 8px 22px rgba(0,0,0,.035);color:#525a66;font-size:13px}
.support-page .contact-box{display:grid;grid-template-columns:minmax(0,1fr) 170px;align-items:center;gap:28px;padding:28px 30px}
.support-page .contact-button{width:170px;min-height:48px;padding:0 18px;border:0;border-radius:16px;background:#111214;box-shadow:0 16px 30px rgba(0,0,0,.2),0 4px 10px rgba(0,0,0,.08);font-size:13px}
.support-page footer{padding:22px 18px 34px;font-size:11px}
@media(max-width:720px){
  .support-page{font-size:14px;line-height:1.72}
  .support-page .nav{width:calc(100% - 28px);min-height:56px}.support-page .nav-links{gap:12px;font-size:12px}
  .support-page main{width:calc(100% - 28px);padding:22px 0 46px}
  .support-page .hero{padding:22px 19px;border-radius:18px}
  .support-page .eyebrow{font-size:9.5px}.support-page h1{font-size:27px}.support-page .lead{margin-top:9px;font-size:13px;line-height:1.7}
  .support-page .meta{display:grid;gap:3px;margin-top:14px;font-size:10.5px}
  .support-page .section-grid{grid-template-columns:1fr;gap:10px;margin-top:12px}
  .support-page .card{padding:20px 18px;border-radius:16px}.support-page .card h2{font-size:17px}.support-page .card p{font-size:12.5px}
  .support-layout{display:block;margin-top:12px}
  .support-toc{position:static;padding:10px;border-radius:14px;overflow:hidden}
  .support-toc>p{display:none}.support-toc nav{display:flex;gap:5px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}.support-toc nav::-webkit-scrollbar{display:none}
  .support-toc a{flex:0 0 auto;padding:6px 9px;border:.75px solid var(--support-line);border-radius:999px;background:#fafafa;font-size:10.5px}
  .support-content{margin-top:10px}
  .support-page .content-section{margin-bottom:10px;padding:20px 17px;border-radius:16px;scroll-margin-top:70px}
  .support-page .content-section h2{font-size:17px}.support-page .content-section h3{font-size:14px}
  .support-page .content-section p,.support-page .content-section ul{font-size:12.5px;line-height:1.75}.support-page .content-section ul{padding-left:1.25em}
  .support-page .notice{padding:12px 13px;font-size:11.5px}
  .support-page .contact-box{display:block;padding:20px 17px}
  .support-page .contact-button{width:100%;min-height:46px;margin-top:16px}
}