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.mirror-arrow{display:grid;place-items:center;color:var(--lime-deep)}.dsync .mirror-arrow svg{display:block}.dsync .mirror-caption{grid-column:1 / -1;margin-top:20px;padding-top:16px;border-top:1px solid var(--line-soft);font-family:var(--mono);font-size:10.5px;color:var(--ink-soft);letter-spacing:.04em;display:flex;align-items:center;gap:8px}.dsync .pulse{width:7px;height:7px;border-radius:99px;background:var(--lime-deep);animation:dsyncPulse 2s ease-in-out infinite}@keyframes dsyncPulse{0%,to{opacity:1}50%{opacity:.3}}.dsync section{padding:40px 0}.dsync section+section{border-top:1px solid var(--line)}.dsync h2{font-size:30px;font-weight:600;letter-spacing:-.015em;line-height:1.2;margin:16px 0 12px;text-wrap:balance}.dsync .sub{font-size:16px;color:var(--ink-soft);max-width:62ch;text-wrap:pretty;margin:0}.dsync .problem-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}.dsync .problem{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:22px;display:flex;flex-direction:column;gap:10px}.dsync .problem .glyph{width:34px;height:34px;border-radius:var(--r-sm);background:var(--raised);border:1px solid var(--line-soft);display:grid;place-items:center;color:var(--ink-soft)}.dsync .problem h3{font-size:14px;font-weight:600;margin:4px 0 0}.dsync .problem p{font-size:13px;color:var(--ink-soft);margin:0;text-wrap:pretty}.dsync .problem-result{margin-top:20px;background:var(--raised);border:1px solid var(--line);border-radius:var(--r);padding:18px 22px;font-size:14px;color:var(--ink-soft);display:flex;align-items:baseline;gap:12px}.dsync .problem-result strong{color:var(--ink);font-weight:600;flex:none}.dsync .how-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;margin-top:8px;align-items:start}.dsync .checklist{display:flex;flex-direction:column;gap:0;margin-top:32px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}.dsync .check{display:flex;gap:16px;padding:18px 22px;align-items:flex-start}.dsync .check+.check{border-top:1px solid var(--line-soft)}.dsync .check .mark{flex:none;width:22px;height:22px;margin-top:1px;border-radius:99px;background:var(--lime);display:grid;place-items:center;color:var(--ink)}.dsync .check strong{font-size:14px;font-weight:600;display:block}.dsync .check span{font-size:13px;color:var(--ink-soft)}.dsync .timeline{margin-top:20px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px}.dsync .tl-vert{display:flex;flex-direction:column;margin-top:16px}.dsync .tl-item{display:flex;align-items:flex-start;gap:14px;position:relative;padding-bottom:20px}.dsync .tl-item:last-child{padding-bottom:0}.dsync .tl-item:not(:last-child):before{content:"";position:absolute;left:5px;top:14px;bottom:2px;width:2px;background:linear-gradient(180deg,var(--lime-deep),var(--line))}.dsync .tl-node{width:12px;height:12px;border-radius:99px;flex:none;margin-top:3px;background:var(--lime);border:2px solid var(--lime-deep)}.dsync .tl-node.end{background:var(--panel);border-color:var(--ink-dim)}.dsync .tl-text{font-size:13px;font-weight:500;color:var(--ink)}.dsync .tl-caption{margin-top:18px;padding-top:14px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--ink-soft)}.dsync .converge{margin-top:32px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px}.dsync .converge-grid{position:relative;width:100%;height:480px;margin:20px auto 0}.dsync .entity{position:absolute;display:inline-flex;align-items:center;gap:7px;background:var(--raised);border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-family:var(--mono);font-size:11px;color:var(--ink-soft);white-space:nowrap}.dsync .entity svg{color:var(--lime-ink);flex:none}.dsync .entity .to-center{color:var(--lime-deep);position:absolute;right:-26px;top:50%;transform:translateY(-50%)}.dsync .converge-target{position:absolute;right:50px;top:240px;transform:translate(50%,-50%);display:flex;flex-direction:column;align-items:center;gap:8px}.dsync .converge-target span{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);white-space:nowrap}.dsync .converge-caption{margin:20px 0 0;padding-top:20px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--ink-soft)}.dsync .converge-caption strong{color:var(--lime-ink)}.dsync .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:40px}.dsync .step{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:24px;position:relative}.dsync .step .num{font-family:var(--mono);font-size:11px;font-weight:600;width:26px;height:26px;border-radius:99px;background:var(--ink);color:var(--lime);display:grid;place-items:center;margin-bottom:16px}.dsync .step h3{font-size:15px;font-weight:600;margin:0 0 6px}.dsync .step p{font-size:13px;color:var(--ink-soft);margin:0;text-wrap:pretty}.dsync .step-note{margin-top:20px;font-size:14px;color:var(--ink-soft);display:flex;align-items:center;gap:10px}.dsync .step-note .chip{font-family:var(--mono);font-size:11px;height:24px;display:inline-flex;align-items:center;padding:0 12px;border-radius:999px;background:var(--lime-bg);border:1px solid var(--lime-deep);color:var(--lime-ink);flex:none}.dsync .providers{margin-top:40px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}.dsync .prov-row{display:grid;grid-template-columns:52px 1fr auto;gap:18px;align-items:center;padding:16px 24px}.dsync .prov-row+.prov-row{border-top:1px solid var(--line-soft)}.dsync .prov-row.head{background:var(--raised);font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);grid-template-columns:1fr auto;padding:12px 24px}.dsync .prov-mono{width:40px;height:40px;border-radius:var(--r-sm);background:var(--raised);border:1px solid var(--line);display:grid;place-items:center;font-family:var(--mono);font-size:13px;font-weight:600;color:var(--ink-soft)}.dsync .prov-row strong{font-size:14px;font-weight:600;display:block}.dsync .prov-row .desc{font-size:12.5px;color:var(--ink-soft)}.dsync .prov-check{font-family:var(--mono);font-size:11px;color:var(--lime-ink);background:var(--lime-bg);border:1px solid var(--lime-deep);border-radius:999px;padding:3px 12px;display:inline-flex;align-items:center;gap:6px}.dsync .prov-help{margin-top:20px;font-size:14px;color:var(--ink-soft);max-width:68ch;text-wrap:pretty}.dsync .dark{background:var(--chrome);color:var(--on-chrome);border-top:1px solid var(--line)}.dsync .dark .tag{color:var(--on-chrome-dim)}.dsync .dark .tag:before{background:var(--on-chrome-dim)}.dsync .dark h2{color:var(--on-chrome)}.dsync .dark .sub{color:var(--on-chrome-dim)}.dsync .sec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:40px}.dsync .sec-card{background:var(--chrome-panel);border:1px solid rgba(236,236,239,.1);border-radius:var(--r);padding:24px;display:flex;gap:16px;align-items:flex-start}.dsync .sec-card .glyph{flex:none;width:36px;height:36px;border-radius:var(--r-sm);background:#c6f23a1f;border:1px solid rgba(198,242,58,.3);display:grid;place-items:center;color:var(--lime)}.dsync .sec-card strong{font-size:14px;font-weight:600;display:block;margin-bottom:4px;color:var(--on-chrome)}.dsync .sec-card p{font-size:13px;color:var(--on-chrome-dim);margin:0;text-wrap:pretty}.dsync .readonly-badge{margin-top:28px;display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--lime);border:1px solid rgba(198,242,58,.35);border-radius:999px;padding:8px 18px}.dsync .closing{text-align:center;padding:96px 0}.dsync .closing h2{font-size:36px;margin:20px auto 14px}.dsync .closing .sub{margin:0 auto 36px}.dsync .tech{padding:0 0 96px;border-top:none}.dsync details.tech-box{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}.dsync details.tech-box summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;padding:22px 28px;font-size:15px;font-weight:600}.dsync details.tech-box summary::-webkit-details-marker{display:none}.dsync details.tech-box summary .caret{flex:none;width:26px;height:26px;border-radius:var(--r-sm);background:var(--raised);border:1px solid var(--line);display:grid;place-items:center;color:var(--ink-soft);transition:transform .2s ease}.dsync details.tech-box[open] summary .caret{transform:rotate(90deg)}.dsync details.tech-box summary .hint{margin-left:auto;font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-dim);font-weight:400}.dsync .tech-body{border-top:1px solid var(--line);padding:28px}.dsync .tech-body>p{font-size:14px;color:var(--ink-soft);max-width:78ch;margin:0 0 8px;text-wrap:pretty}.dsync .tech-body code{font-family:var(--mono);font-size:12px;background:var(--raised);border:1px solid var(--line-soft);border-radius:4px;padding:1px 6px;white-space:nowrap}.dsync .tech-provs{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:24px 0}.dsync .tech-prov{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px}.dsync .tech-prov strong{font-size:13px;font-weight:600;display:block;margin-bottom:6px}.dsync .tech-prov p{font-size:12.5px;color:var(--ink-soft);margin:0;text-wrap:pretty}.dsync .tech-cols{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:8px}.dsync .tech-col{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:20px}.dsync .tech-col h4{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);font-weight:600;margin:0 0 12px}.dsync .tech-col ul{margin:0;padding:0 0 0 18px;font-size:12.5px;color:var(--ink-soft);display:flex;flex-direction:column;gap:8px}.dsync footer.site{border-top:1px solid var(--line);padding:28px 0}.dsync .foot-inner{display:flex;align-items:center;justify-content:space-between;font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-dim)}@media(max-width:900px){.dsync .hero-grid,.dsync .how-grid,.dsync .sec-grid,.dsync .tech-provs,.dsync .tech-cols{grid-template-columns:1fr}.dsync .problem-grid,.dsync .steps{grid-template-columns:1fr 1fr}.dsync h1{font-size:36px}}@media(max-width:600px){.dsync .problem-grid,.dsync .steps{grid-template-columns:1fr}}