html{--ux-1h7eh:#EEE1D8;--ux-1g7qd:#2C1F11;--ux-16ums:#FBFAF8;--ux-h4689:#79634E;--ux-if73w:#B74C1A;--ux-nntv6:#FBF4EF;--ux-4se5w:#A75416;--ux-1wf14:#904913;--ux-1lwnx:#C41C32;--ux-z5nrf:#FFFFFF}
html{--ux-1ptkr:1rem;--ux-5pmtb:4px;--ux-drliw:"Segoe UI",Tahoma,"PingFang SC","Microsoft YaHei",sans-serif;--ux-1j7se:Georgia,"Songti SC","Noto Serif SC","SimSun",serif;--ux-1upio:1040px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:4rem;-webkit-text-size-adjust:100%}
body{background:var(--ux-nntv6);color:var(--ux-1g7qd);font:16px/1.75 var(--ux-drliw);overflow-wrap:anywhere;margin:0}
a{text-underline-offset:3px;color:var(--ux-1wf14)}
summary:focus-visible,a:focus-visible{outline:2px solid var(--ux-1wf14);outline-offset:3px;border-radius:2px}
svg{display:block}
h3,h2,h1{color:var(--ux-1g7qd);line-height:1.3;font-family:var(--ux-1j7se);margin:0}
.ux-qk7ii{left:-999px;top:0;position:absolute}
.ux-qk7ii:focus{background:var(--ux-z5nrf);padding:.5rem 1rem;top:1rem;left:1rem;z-index:20}
.ux-1q0mg{position:fixed;top:0;left:0;height:3px;width:100%;background:var(--ux-1lwnx);transform:scaleX(0);transform-origin:0 50%;z-index:15}
.ux-wadz5{padding:0 1rem;margin:0 auto;max-width:var(--ux-1upio)}
/* masthead */
.ux-1w42i{padding:calc(var(--ux-1ptkr)*1.2) 0 0}
.ux-lihn4{font-size:.8rem;color:var(--ux-h4689);display:flex;justify-content:space-between;letter-spacing:.06em;gap:1rem;border-bottom:1px solid var(--ux-1h7eh);padding-bottom:.5rem;flex-wrap:wrap}
.ux-uccoh{justify-content:center;color:var(--ux-1g7qd);padding:calc(var(--ux-1ptkr)*1.4) 0 calc(var(--ux-1ptkr)*1.1);gap:.8rem;display:flex;text-decoration:none;align-items:center}
.ux-uccoh .ux-oz9d0{flex:none;width:44px;height:44px}
.ux-uccoh b{font-size:clamp(1.9rem,5.4vw,3.4rem);font-family:var(--ux-1j7se);line-height:1.1;letter-spacing:.04em;font-weight:800}
.ux-1l177{border-top:3px solid var(--ux-1g7qd);height:6px;margin:0;border-bottom:1px solid var(--ux-1g7qd)}
/* category bar */
.ux-13atk{background:var(--ux-nntv6);top:0;position:sticky;border-bottom:1px solid var(--ux-1h7eh);z-index:10}
.ux-13atk ul{padding:0 1rem;margin:0 auto;gap:.2rem;list-style:none;scrollbar-width:none;max-width:var(--ux-1upio);display:flex;overflow-x:auto}
.ux-13atk ul::-webkit-scrollbar{display:none}
.ux-13atk a{color:var(--ux-1g7qd);display:block;padding:.7rem .85rem;border-bottom:2px solid transparent;white-space:nowrap;font-size:.9rem;text-decoration:none;font-weight:600}
.ux-13atk a:hover{color:var(--ux-1wf14);border-bottom-color:var(--ux-4se5w)}
.ux-13atk li:first-child a{padding-left:0}
/* body grid */
.ux-2uft7{padding-top:calc(var(--ux-1ptkr)*2.2);grid-template-columns:minmax(0,1fr) 300px;display:grid;gap:calc(var(--ux-1ptkr)*3);padding-bottom:calc(var(--ux-1ptkr)*3)}
.ux-1acis{min-width:0}
.ux-qg6cf{display:inline-block;font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;margin:0 0 .8rem;color:var(--ux-1lwnx);font-weight:700}
.ux-qg6cf::before{width:1.6rem;display:inline-block;vertical-align:middle;content:"";height:2px;margin-right:.6rem;background:var(--ux-1lwnx)}
.ux-u9s11 h1{line-height:1.18;font-size:clamp(1.8rem,4.6vw,3rem);letter-spacing:-.005em;font-weight:800}
.ux-qskbt{max-width:40em;line-height:1.7;color:var(--ux-h4689);margin:1rem 0 0;font-size:1.15rem}
.ux-13mie{padding:.7rem 0;margin:1.1rem 0 0;border-top:1px solid var(--ux-1h7eh);font-size:.8rem;color:var(--ux-h4689);display:flex;border-bottom:1px solid var(--ux-1h7eh);gap:.4rem 1.2rem;flex-wrap:wrap}
.ux-590kg{margin:calc(var(--ux-1ptkr)*1.6) 0 0}
.ux-jygcq{overflow:hidden;border-radius:var(--ux-5pmtb);background:linear-gradient(135deg,color-mix(in srgb,var(--ux-4se5w) 16%,var(--ux-nntv6)),color-mix(in srgb,var(--ux-if73w) 6%,var(--ux-z5nrf)));aspect-ratio:3/2}
.ux-jygcq .ux-3iis7{height:100%;width:100%}
.ux-590kg figcaption{margin-top:.5rem;border-left:2px solid var(--ux-1lwnx);font-size:.8rem;color:var(--ux-h4689);padding-left:.7rem}
/* reading */
.ux-1w17v{margin-top:calc(var(--ux-1ptkr)*2.4)}
.ux-zj6ll{max-width:40em;font-family:var(--ux-1j7se);font-size:1.05rem;line-height:1.95}
.ux-zj6ll+.ux-zj6ll{padding-top:calc(var(--ux-1ptkr)*2.2);border-top:1px solid var(--ux-1h7eh);margin-top:calc(var(--ux-1ptkr)*2.6)}
.ux-zj6ll h2{margin-bottom:1rem;font-size:clamp(1.4rem,3vw,1.85rem);font-weight:800}
.ux-zj6ll h3{border-left:3px solid var(--ux-4se5w);font-size:1.15rem;margin:1.8rem 0 .4rem;padding-left:.7rem}
.ux-zj6ll p{margin:0 0 1.05rem}
.ux-zj6ll ul,.ux-zj6ll ol{margin:0 0 1.1rem;padding-left:1.3rem}
.ux-zj6ll li{margin:.3rem 0}
.ux-zj6ll li::marker{color:var(--ux-1wf14)}
.ux-zj6ll>p:first-of-type::first-letter{line-height:.9;color:var(--ux-1wf14);margin:.08em .12em 0 0;float:left;font-weight:800;font-size:3.3em}
/* sections in main */
.ux-wtade{margin-top:calc(var(--ux-1ptkr)*3.2)}
.ux-1k10t{border-top:3px solid var(--ux-1g7qd);gap:.8rem;align-items:baseline;display:flex;margin-bottom:1.2rem;padding-top:.6rem}
.ux-1k10t h2{font-size:1.45rem;font-weight:800}
.ux-1k10t span{color:var(--ux-h4689);font-size:.75rem;letter-spacing:.16em;white-space:nowrap}
.ux-12dpc{color:var(--ux-h4689);font-size:.95rem;margin:-.4rem 0 1.3rem}
.ux-13iwp{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:calc(var(--ux-1ptkr)*1.2)}
.ux-7uwg9{background:var(--ux-z5nrf);position:relative;padding:1.6rem 1.1rem 1.1rem;border-top:4px solid var(--ux-4se5w);border-radius:0 0 var(--ux-5pmtb) var(--ux-5pmtb)}
.ux-7uwg9.ux-6q1nt{border-top-color:var(--ux-1lwnx)}
.ux-7uwg9.ux-1oje6{border-top-color:var(--ux-h4689)}
.ux-7uwg9::before{color:color-mix(in srgb,var(--ux-4se5w) 35%,transparent);font:800 3.6rem/1 var(--ux-1j7se);right:.9rem;position:absolute;content:"\201C";top:-.1rem}
.ux-1erfv{color:var(--ux-1wf14);font-size:.75rem;letter-spacing:.1em;font-weight:700}
.ux-7uwg9.ux-6q1nt .ux-1erfv{color:var(--ux-1lwnx)}
.ux-7uwg9 h3{margin:.35rem 0 .45rem;line-height:1.45;font-size:1.1rem}
.ux-7uwg9 p{color:var(--ux-h4689);font-size:.95rem;margin:0}
.ux-ydvzf h3{margin-bottom:.8rem;font-size:1.1rem}
.ux-9ylhc{padding:0;list-style:none;counter-reset:ux-nsmer;margin:0}
.ux-9ylhc li{position:relative;padding:0 0 1.1rem 3rem;counter-increment:ux-nsmer;border-left:1px dashed var(--ux-1h7eh);margin-left:1rem}
.ux-9ylhc li:last-child{border-left-color:transparent}
.ux-9ylhc li::before{content:counter(ux-nsmer);position:absolute;left:-1rem;top:0;width:2rem;height:2rem;border-radius:50%;background:var(--ux-nntv6);border:2px solid var(--ux-4se5w);display:grid;place-items:center;font-weight:800;font-size:.9rem;color:var(--ux-1wf14)}
.ux-9ylhc b,.ux-9ylhc strong{display:block;padding-top:.2rem}
.ux-9ylhc p{margin:.2rem 0 0;color:var(--ux-h4689);font-size:.95rem}
.ux-1fjln{overflow-x:auto;border:1px solid var(--ux-1h7eh);border-radius:var(--ux-5pmtb)}
.ux-xeymi{width:100%;border-collapse:collapse;font-size:.9rem;min-width:30rem}
.ux-xeymi caption{text-align:left;padding:.7rem .9rem;caption-side:top;font-weight:700}
.ux-xeymi th,.ux-xeymi td{border-top:1px solid var(--ux-1h7eh);text-align:left;padding:.6rem .9rem;vertical-align:top}
.ux-xeymi thead th{background:var(--ux-z5nrf);font-size:.8rem;letter-spacing:.04em}
.ux-xeymi tbody th{font-weight:600}
.ux-3lyyl{display:grid;gap:0}
.ux-vpxeu{padding:1rem 0;border-bottom:1px solid var(--ux-1h7eh)}
.ux-vpxeu h3{display:flex;font-size:1.05rem;gap:.6rem}
.ux-vpxeu h3::before{width:1.5rem;flex:none;font-size:.8rem;place-items:center;margin-top:.1rem;border-radius:var(--ux-5pmtb);display:grid;content:"问";background:var(--ux-4se5w);color:var(--ux-16ums);height:1.5rem}
.ux-vpxeu p{color:var(--ux-h4689);margin:.45rem 0 0 2.1rem}
/* sidebar */
.ux-sv2mn{gap:calc(var(--ux-1ptkr)*1.8);flex-direction:column;min-width:0;display:flex}
.ux-py39y h2,.ux-c4ews h2{font-family:var(--ux-drliw);font-size:.8rem;letter-spacing:.18em;padding-bottom:.45rem;margin:0 0 .8rem;font-weight:800;border-bottom:2px solid var(--ux-1g7qd)}
.ux-esdba{background:var(--ux-z5nrf);border:1px solid var(--ux-1h7eh);border-radius:var(--ux-5pmtb);padding:1.1rem}
.ux-esdba h2{border-bottom-color:var(--ux-4se5w)}
.ux-esdba p{color:var(--ux-h4689);margin:0 0 .8rem;font-size:.85rem}
.ux-esdba ul{padding:0;grid-template-columns:1fr 1fr;list-style:none;display:grid;gap:.5rem;margin:0}
.ux-esdba a{display:flex;align-items:center;gap:.45rem;padding:.6rem .65rem;border-radius:var(--ux-5pmtb);background:var(--ux-nntv6);border:1px solid var(--ux-1h7eh);color:var(--ux-1g7qd);text-decoration:none;font-size:.9rem;font-weight:600}
.ux-esdba a:hover{border-color:var(--ux-4se5w)}
.ux-esdba svg{width:18px;height:18px;flex:none;fill:none;stroke:var(--ux-1wf14);stroke-width:1.8}
.ux-lc3mm{display:grid;gap:.75rem;margin:0}
.ux-lc3mm dt{font-size:.9rem;font-weight:700}
.ux-lc3mm dd{line-height:1.6;color:var(--ux-h4689);margin:.1rem 0 0;font-size:.85rem}
.ux-1rmzj{flex-direction:column;display:flex}
.ux-1rmzj a{color:var(--ux-1g7qd);padding:.5rem 0;border-bottom:1px dotted var(--ux-1h7eh);font-size:.9rem;text-decoration:none}
.ux-1rmzj a::before{content:"→";color:var(--ux-1wf14);margin-right:.5rem}
.ux-1rmzj a:hover{color:var(--ux-1wf14)}
.ux-c4ews ul{padding:0;list-style:none;counter-reset:ux-1f6r5;margin:0}
.ux-c4ews li{gap:.7rem;counter-increment:ux-1f6r5;display:flex;line-height:1.5;border-bottom:1px solid var(--ux-1h7eh);font-size:.9rem;padding:.55rem 0}
.ux-c4ews li::before{font:800 1.3rem/1 var(--ux-1j7se);min-width:1.1rem;color:var(--ux-1lwnx);content:counter(ux-1f6r5)}
.ux-c4ews a{color:var(--ux-1g7qd);text-decoration:none}
.ux-c4ews a:hover{text-decoration:underline;color:var(--ux-1wf14)}
.ux-8snie{gap:.4rem;display:flex;flex-wrap:wrap}
.ux-8snie a{font-size:.8rem;padding:.25rem .65rem;border:1px solid var(--ux-1h7eh);border-radius:999px;color:var(--ux-h4689);text-decoration:none}
.ux-8snie a:nth-child(3n+1){color:var(--ux-1g7qd);font-size:.9rem}
.ux-8snie a:hover{border-color:var(--ux-4se5w);color:var(--ux-1wf14)}
/* colophon */
.ux-j0pd4{border-top:1px solid var(--ux-1h7eh);color:var(--ux-h4689);text-align:center;padding:calc(var(--ux-1ptkr)*2) 1rem calc(var(--ux-1ptkr)*2.4);font-size:.85rem}
.ux-j0pd4 .ux-oz9d0{width:28px;margin:0 auto .5rem;height:28px}
.ux-j0pd4 b{color:var(--ux-1g7qd);display:block;font-size:1.1rem;font-family:var(--ux-1j7se);letter-spacing:.05em}
.ux-j0pd4 p{margin:.3rem 0}
@media (max-width:900px){
.ux-2uft7{gap:calc(var(--ux-1ptkr)*2.6);grid-template-columns:minmax(0,1fr)}
.ux-sv2mn{grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));display:grid}
}
@media (max-width:560px){
body{font-size:15px}
.ux-13iwp{grid-template-columns:minmax(0,1fr)}
.ux-zj6ll{font-size:1rem;line-height:1.85}
.ux-lihn4 span:last-child{display:none}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.ux-1q0mg{display:none}}
.ux-1btj6{border-bottom:3px double var(--ux-1g7qd);display:flex;justify-content:space-between;padding:.9rem 0 .8rem;gap:1rem;align-items:center}
.ux-qf1jf .ux-uccoh{padding:0;justify-content:flex-start}
.ux-qf1jf .ux-uccoh b{font-size:clamp(1.4rem,3.4vw,2.1rem)}
.ux-qf1jf .ux-lihn4{padding:0;gap:.1rem;flex-direction:column;border:0;align-items:flex-end}
.ux-1cxxu .ux-uccoh{padding-top:1.2rem}
.ux-vb944{grid-template-columns:1fr}
.ux-1231t{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.2rem}
.ux-1nt6a{grid-template-columns:1fr 1fr;margin:0 auto;text-align:left;padding-left:1rem;display:grid;max-width:var(--ux-1upio);gap:2rem;padding-right:1rem}
.ux-1nt6a .ux-uccoh{justify-content:flex-start;padding:0 0 .5rem}
.ux-1nt6a .ux-uccoh b{font-size:1.4rem}
@media (max-width:640px){.ux-1nt6a,.ux-1231t{grid-template-columns:1fr}.ux-1btj6{flex-direction:column;align-items:flex-start}.ux-qf1jf .ux-lihn4{align-items:flex-start}}


.ux-1x5sr{margin:.9rem 0 0;font-size:.8rem;color:var(--ux-h4689)}.ux-1x5sr span{opacity:.8;margin-right:.5rem}.ux-1x5sr a{color:var(--ux-h4689)}
h1{text-wrap:balance}