.domain-chain-intro{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;margin:28px 0 4px;padding:16px 18px;border:1px solid var(--line);border-radius:16px;background:#fff}
.domain-chain-intro span{padding:7px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:.76rem;font-weight:800}
.domain-chain-intro i{color:var(--muted);font-style:normal}
.convention-map{position:relative;display:grid;gap:28px;margin-top:38px}
.convention-axis{position:absolute;left:28px;top:28px;bottom:28px;width:2px;background:linear-gradient(180deg,var(--accent),#6f8fe8 58%,var(--future));border-radius:999px}
.convention-domain{position:relative;display:grid;grid-template-columns:58px minmax(0,1fr);gap:20px}
.domain-marker{position:relative;z-index:2;display:grid;place-items:center;width:42px;height:42px;margin:8px 0 0 8px;border-radius:50%;background:var(--accent);color:#fff;font-size:.74rem;font-weight:800;letter-spacing:.08em;box-shadow:0 0 0 7px var(--bg)}
.convention-domain:last-child .domain-marker{background:#fff;color:var(--accent);border:3px solid var(--accent)}
.domain-content{min-width:0;max-width:100%;padding:26px;overflow:hidden;border:1px solid var(--line);border-radius:22px;background:linear-gradient(135deg,#fff,#fbfcff);box-shadow:0 14px 34px rgba(23,32,51,.05)}
.domain-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}
.domain-heading h2{margin:0}
.domain-heading .eyebrow{margin:0 0 5px}
.domain-count{display:inline-flex;align-items:center;padding:5px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:.74rem;font-weight:750;white-space:nowrap}
.domain-intro{max-width:850px;margin:12px 0 22px;color:var(--muted)}
.domain-document{border:1px solid var(--line);border-radius:15px;background:#fff;overflow:hidden}
.domain-document[open]{box-shadow:0 16px 34px rgba(36,87,214,.08)}
.domain-document summary{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:17px 18px;cursor:pointer;list-style:none}
.domain-document summary::-webkit-details-marker{display:none}
.domain-document summary span{display:flex;flex-direction:column;gap:3px}
.domain-document summary strong{font-size:1rem}
.domain-document summary small{color:var(--muted);font-size:.73rem}
.domain-document summary em{color:var(--accent);font-size:.76rem;font-style:normal;font-weight:800}
.domain-document[open] summary{border-bottom:1px solid var(--line);background:linear-gradient(90deg,var(--accent-soft),#fff 38%)}
.domain-document[open] summary em{font-size:0}
.domain-document[open] summary em::after{content:"Close";font-size:.76rem}
.domain-document-body{display:grid;gap:16px;padding:22px}
.domain-document-body>section{padding:18px;border:1px solid var(--line);border-radius:14px;background:#fff}
.domain-document-body>section:nth-child(even){background:#fbfcff}
.domain-document-body h3{margin:0 0 10px;font-size:1.06rem;color:var(--text)}
.domain-document-body h4{margin:0 0 8px;font-size:.96rem}
.domain-document-body p{margin:7px 0;color:#344054}
.domain-document-body ul{margin:10px 0 0;padding-left:20px;color:#344054}
.domain-document-body li{margin:5px 0}
.domain-document-body code{display:inline-block;max-width:100%;padding:3px 6px;border-radius:6px;background:#eef2f8;overflow-wrap:anywhere}
.guiding{border-left:5px solid var(--accent)!important;background:var(--accent-soft)!important}
.flow-stack{display:flex;align-items:center;flex-wrap:wrap;gap:7px;margin:14px 0}
.flow-stack span{padding:7px 10px;border-radius:9px;background:var(--accent-soft);color:var(--accent);font-size:.78rem;font-weight:800}
.flow-stack i{color:var(--muted);font-style:normal}
.relationship-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:14px 0}
.relationship-grid div{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:8px;padding:10px 12px;border:1px solid var(--line);border-radius:11px;background:var(--bg);font-size:.82rem}
.relationship-grid span{color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em}
.relationship-grid b{text-align:right;color:var(--accent)}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;padding:0!important;list-style:none}
.tag-list li{margin:0;padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:var(--bg);font-size:.78rem}
.pattern-rows{display:grid;gap:9px;margin:14px 0}
.pattern-rows div{padding:11px 13px;border-radius:10px;background:var(--code);color:#fff;font:600 .8rem/1.5 ui-monospace,SFMono-Regular,Consolas,monospace;overflow:auto}
.pattern-rows b{color:#9cb7ff}
.principle-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.principle-grid article{padding:15px;border:1px solid var(--line);border-radius:12px;background:var(--bg)}
.principle-grid p{font-size:.88rem}
.source-link{display:inline-flex;margin-top:2px;color:var(--accent);font-weight:800;text-decoration:none}
.source-link:hover{text-decoration:underline}
@media(max-width:760px){.domain-chain-intro{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap}
.domain-chain-intro span{white-space:nowrap}
.convention-axis{left:18px}
.convention-domain{grid-template-columns:38px minmax(0,1fr);gap:12px}
.domain-marker{width:30px;height:30px;margin:8px 0 0 3px;font-size:.62rem;box-shadow:0 0 0 5px var(--bg)}
.domain-content{padding:18px;border-radius:17px}
.domain-heading{flex-direction:column;gap:8px}
.domain-count{white-space:normal}
.domain-document summary{align-items:flex-start;padding:15px}
.domain-document summary em{font-size:.72rem}
.domain-document-body{padding:14px}
.domain-document-body>section{padding:15px}
.relationship-grid,.principle-grid{grid-template-columns:1fr}
.flow-stack{align-items:flex-start}
.flow-stack i{transform:rotate(90deg)}
}
@media(max-width:480px){.domain-document summary em{display:none}
.domain-document-body p,.domain-document-body li{font-size:.92rem}
.relationship-grid div{grid-template-columns:1fr}
.relationship-grid span,.relationship-grid b{text-align:left}
}