:root{font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI","Noto Sans Mongolian","Noto Sans SC","Microsoft YaHei",sans-serif;color:#26302b;background:#faf9f6;font-synthesis:none;scroll-behavior:smooth}
*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer}a{color:#25614d}a:hover{text-decoration:underline}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #2a8069;outline-offset:3px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.topbar{height:68px;position:sticky;top:0;z-index:20;background:#faf9f6ee;backdrop-filter:blur(14px);border-bottom:1px solid #e5e7e0;display:flex;align-items:center;padding:0 clamp(18px,3vw,42px);gap:20px}.brand{display:flex;gap:10px;align-items:center;color:#26302b;text-decoration:none;font-weight:750;font-size:17px;min-width:0}.brand:hover{text-decoration:none}.brand-mark{display:inline-grid;place-items:center;width:32px;height:32px;background:#2b6b53;color:white;border-radius:10px;font-size:22px;line-height:1}.top-actions{margin-left:auto;display:flex;align-items:center;gap:12px;white-space:nowrap}.top-button,.language-link{border:1px solid #d8ddd3;border-radius:8px;background:#fff;padding:7px 11px;color:#315b4a;text-decoration:none;font-size:14px;font-weight:600}.top-button:hover,.language-link:hover{background:#eef5ef;text-decoration:none}.menu-button,.close-button{display:none;border:0;background:transparent;color:#315b4a;font-size:24px}.layout{display:grid;grid-template-columns:285px minmax(0,1fr);min-height:calc(100vh - 68px)}.sidebar{height:calc(100vh - 68px);position:sticky;top:68px;border-right:1px solid #e5e7e0;padding:28px 20px;overflow-y:auto;display:flex;flex-direction:column;background:#f7f8f4}.sidebar-head{display:flex;align-items:center;justify-content:space-between;padding:0 10px}.eyebrow{margin:0 0 8px;color:#608070;font-size:11px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}.search-wrap{display:block;margin:12px 0 20px}.search-wrap input{width:100%;border:1px solid #dce1d8;border-radius:10px;background:#fff;padding:11px 12px;font-size:14px;color:#26302b}.search-wrap input:focus{outline-color:#2a8069}.chapter-link{display:grid;grid-template-columns:27px minmax(0,1fr) auto;align-items:start;gap:10px;text-align:left;width:100%;padding:10px 11px;border:0;border-radius:9px;background:transparent;color:#48584e;font-size:13px;line-height:1.45}.chapter-link:hover,.chapter-link.active{background:#e7f0e9;color:#1e6047}.chapter-link.active{font-weight:700}.chapter-number{font-size:12px;color:#7b9183;font-variant-numeric:tabular-nums}.chapter-total{color:#8a9a8e;font-size:11px}.sidebar-foot{margin-top:auto;padding:25px 10px 0;display:flex;flex-direction:column;gap:5px;font-size:12px}.sidebar-foot small{color:#86958b}.main{min-width:0;padding:0 clamp(20px,5vw,80px)}.hero,.reading,footer{max-width:920px;margin:0 auto}.hero{padding:62px 0 40px;border-bottom:1px solid #e5e7e0}.hero h1{margin:0 0 12px;line-height:1.18;font-size:clamp(29px,4vw,46px);letter-spacing:-.025em}.hero>p:not(.eyebrow){color:#647167;font-size:15px;line-height:1.7;max-width:68ch}.machine-note{background:#fff7df;border:1px solid #e7d9a3;color:#675837;border-radius:10px;padding:10px 14px}.resume-box{margin-top:22px;border:1px solid #c7ddcb;background:#eef5ef;border-radius:12px;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;gap:16px;color:#335443;font-size:14px}.resume-box[hidden]{display:none}.resume-box button{border:0;background:#27684f;color:#fff;border-radius:8px;padding:8px 13px;white-space:nowrap}.reading{padding:38px 0 80px}.chapter-header{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:25px}.chapter-header h2{font-size:clamp(24px,3vw,33px);line-height:1.3;margin:0}.chapter-count{font-size:13px;color:#829087;white-space:nowrap}.intro{padding:20px 25px;margin-bottom:28px;background:#f0f2ec;border-radius:12px;color:#4c5c51;font-size:14px;line-height:1.85}.intro>:first-child{margin-top:0}.intro>:last-child{margin-bottom:0}.entry{background:#fff;border:1px solid #e4e9df;box-shadow:0 3px 12px #26302b08;border-radius:16px;padding:clamp(21px,3vw,34px);margin-bottom:22px;scroll-margin-top:90px}.entry-heading{border-bottom:1px solid #edf0eb;padding-bottom:18px;margin-bottom:20px}.entry-number{display:block;color:#638673;font-size:12px;font-weight:750;letter-spacing:.1em;margin-bottom:7px}.entry h3{font-size:clamp(19px,2.3vw,25px);line-height:1.4;margin:0;letter-spacing:-.01em}.entry-body{font-size:15px;line-height:1.95;overflow-wrap:anywhere}.entry-body p,.entry-body li{margin:0 0 12px}.entry-body ul{padding-left:1.4em}.entry-body li{padding-left:.2em}.entry-body a{word-break:break-all}.entry-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;border-top:1px solid #edf0eb;padding-top:18px;margin-top:22px}.bookmark-action{border:1px solid #b9d2c2;border-radius:8px;color:#27684f;background:#f1f8f2;padding:7px 12px;font-size:13px;font-weight:700}.bookmark-action[aria-pressed="true"]{background:#2b6b53;color:#fff}.original{width:100%;color:#53635a;font-size:13px}.original summary{cursor:pointer;color:#28644e;font-weight:700}.original .entry-body{padding:15px;margin-top:10px;background:#f7f8f5;border-radius:8px;font-size:13px}.translation-note{color:#8b6a34;background:#fff7df;border-radius:8px;padding:8px 11px;font-size:13px}.pager{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:30px}.pager button{border:1px solid #c4d5c8;border-radius:10px;background:#fff;color:#27684f;padding:11px 16px;font-weight:700}.pager button:hover:not(:disabled){background:#e7f0e9}.pager button:disabled{opacity:.4;cursor:default}.pager span{font-size:14px;color:#69786d;font-variant-numeric:tabular-nums}.search-result{display:block;width:100%;text-align:left;margin:8px 0;padding:13px 15px;border:1px solid #e4e9df;background:#fff;border-radius:9px;color:#2b5e47}.search-result:hover{background:#edf5ed}footer{border-top:1px solid #e5e7e0;color:#758279;font-size:12px;line-height:1.7;padding:24px 0 50px}footer a{color:inherit}
dialog{width:min(620px,calc(100vw - 32px));max-height:min(72vh,700px);border:1px solid #dfe7dc;border-radius:15px;box-shadow:0 20px 60px #182e2340;padding:22px;background:#fff;color:#26302b}dialog::backdrop{background:#172b20aa}.dialog-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #e5e7e0;padding-bottom:12px;margin-bottom:15px}.dialog-head h2{margin:0}.dialog-head button{border:0;background:transparent;font-size:25px;color:#56685b}.bookmark-row{display:flex;align-items:center;gap:12px;border-bottom:1px solid #eef0eb;padding:9px 0}.bookmark-row button:first-child{border:0;background:none;text-align:left;color:#28644e;flex:1}.remove-bookmark{border:0;background:none;color:#9a4b4b;font-size:12px}.overlay[hidden]{display:none}
@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{position:fixed;top:68px;bottom:0;left:0;z-index:25;width:min(320px,88vw);height:auto;transform:translateX(-100%);transition:transform .2s;box-shadow:12px 0 30px #26302b1a}.sidebar.open{transform:translateX(0)}.overlay{position:fixed;inset:68px 0 0;background:#14251b88;z-index:24}.menu-button,.close-button{display:block}.main{padding:0 22px}.hero{padding:45px 0 30px}}@media(max-width:540px){.topbar{gap:10px;padding:0 14px}.brand{font-size:14px}.brand-mark{width:29px;height:29px}.top-actions{gap:5px}.top-button,.language-link{font-size:12px;padding:7px}.top-button span{display:none}.main{padding:0 15px}.hero{padding:32px 0 24px}.resume-box{align-items:flex-start;flex-direction:column}.reading{padding-top:27px}.entry{border-radius:12px;padding:19px}.chapter-header{align-items:start;flex-direction:column;gap:6px}.pager button{padding:9px;font-size:12px}.pager span{font-size:12px}}
.intro{padding:13px 20px}.intro summary{cursor:pointer;font-weight:700;color:#315b4a}.intro #intro-body{padding-top:12px}
#doc-dialog{width:min(860px,calc(100vw - 24px));max-height:90vh}#doc-dialog #doc-body{overflow:auto;max-height:calc(90vh - 100px);padding-right:8px}