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@media(max-width:900px){.guide-heading{grid-template-columns:1fr;gap:22px}}
@media(max-width:600px){.guide{width:calc(100% - 28px);margin-bottom:80px}.guide-heading{margin-bottom:28px}.guide-heading h2 br{display:none}.guide-steps{grid-template-columns:1fr}.guide-steps article{padding:25px 23px;border-right:0;border-bottom:1px solid var(--line)!important}.guide-steps article:last-child{border-bottom:0!important}.guide-steps p{min-height:0}.examples{gap:24px;padding:24px 20px}.examples-copy h3{font-size:22px}.example-cards{grid-template-columns:1fr}.example-cards article>p{min-height:0}.use-boundary{padding:18px}}
.e2ee-proof{width:min(1200px,calc(100% - 48px));margin:-34px auto 120px;padding:34px;border:1px solid rgba(40,117,255,.18);border-radius:26px;background:linear-gradient(125deg,rgba(237,246,255,.96),rgba(247,253,253,.94) 58%,rgba(255,255,255,.9));box-shadow:0 28px 75px rgba(31,84,157,.1)}.e2ee-proof-head{display:grid;grid-template-columns:auto 1fr;align-items:start;gap:20px}.e2ee-seal{width:52px;height:52px;display:grid;place-items:center;border-radius:16px;color:white;background:linear-gradient(145deg,#2477ff,#1556df);box-shadow:0 12px 28px rgba(35,105,238,.24)}.e2ee-seal svg{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.e2ee-proof .kicker{margin:1px 0 9px!important}.e2ee-proof h2{margin:0;font-size:clamp(24px,2.8vw,38px);line-height:1.3;letter-spacing:-.035em}.e2ee-proof-head>div:nth-child(2)>p:last-child{max-width:790px;margin:13px 0 0;color:#64758a;font-size:14px;line-height:1.8}.e2ee-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:14px;margin-top:28px}.e2ee-flow article{min-width:0;display:grid;grid-template-columns:auto 1fr;gap:13px;position:relative;padding:20px;border:1px solid rgba(24,61,108,.1);border-radius:16px;background:rgba(255,255,255,.82)}.e2ee-flow article.cipher-node{border-color:rgba(40,117,255,.22);box-shadow:inset 0 0 0 1px rgba(40,117,255,.04)}.flow-index{position:absolute;right:13px;top:11px;color:#a2afbf;font-size:9px;font-weight:800;letter-spacing:.12em}.flow-symbol{width:37px;height:37px;display:grid;place-items:center;border-radius:11px;color:#2672ed;background:#eaf3ff;font-size:12px;font-weight:900}.e2ee-flow b{font-size:14px}.e2ee-flow p{margin:5px 0 0;color:#77869a;font-size:11px;line-height:1.65}.flow-arrow{color:#4e8ff4;font-size:18px;font-style:normal}.e2ee-assurance{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:14px}.e2ee-assurance span{position:relative;padding:11px 12px 11px 28px;border-radius:10px;color:#52708f;background:rgba(255,255,255,.68);font-size:11px;font-weight:650}.e2ee-assurance span:before{content:"✓";position:absolute;left:11px;color:#1aa187;font-weight:900}
@media(max-width:900px){.e2ee-proof{margin-top:0}.e2ee-flow{grid-template-columns:1fr}.flow-arrow{transform:rotate(90deg);text-align:center}.e2ee-assurance{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.e2ee-proof{width:calc(100% - 28px);margin:0 auto 80px;padding:24px 20px}.e2ee-seal{width:44px;height:44px;border-radius:14px}.e2ee-proof h2{font-size:24px}.e2ee-assurance{grid-template-columns:1fr}.e2ee-flow article{padding:18px}.e2ee-flow{margin-top:22px}}