:root{--navy:#102f43;--ocean:#0c6670;--teal:#21a098;--mint:#d9eee8;--canvas:#f4f7f6;--card:#fff;--line:#e4ebe8;--ink:#183440;--muted:#69808a;--coral:#d86d5a;--gold:#d7a749;--mono:'DM Mono',monospace;--serif:'Noto Serif SC',serif;--sans:'Source Han Sans SC','PingFang SC',sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font:14px var(--sans)}.app-layout{min-height:100vh;display:grid;grid-template-columns:246px 1fr}.sidebar{background:var(--navy);color:#dce8e8;padding:26px 15px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{color:#fff;font:700 25px var(--serif);text-decoration:none;letter-spacing:.08em;padding:0 12px}.brand b{color:#7cdbca;font-weight:700}.project-chip{margin:31px 6px 22px;padding:13px;background:rgba(255,255,255,.075);border:1px solid rgba(255,255,255,.08);border-radius:8px}.project-chip span{display:block;font-size:10px;color:#90a9ae}.project-chip 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p{margin:0;color:#536e77;font-size:12px;line-height:1.8}.term em{font-style:normal;color:var(--ink);font-weight:600}.guide{padding:20px;background:#e6f1ef;border-radius:8px;color:#44626b;font-size:12px;line-height:1.85}.guide b{color:var(--navy)}@media(max-width:1050px){.app-layout{grid-template-columns:72px 1fr}.sidebar{padding:23px 10px}.brand{font-size:0;padding:0;text-align:center}.brand b{font-size:24px}.project-chip,.nav-label,.nav a span,.sidebar-bottom{display:none}.nav a{justify-content:center;padding:12px}.topbar{padding:0 25px}#page-root{padding:28px 25px}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3,.glossary-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:680px){.app-layout{display:block}.sidebar{position:static;height:auto;padding:14px 16px;display:flex;flex-direction:row;align-items:center}.brand{font-size:20px;padding:0}.brand b{font-size:inherit}.nav{display:flex;margin-left:auto;gap:2px}.nav a{margin:0;padding:8px}.nav 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