:root{--ju_bg:rgb(15 21 36);--ju_hf:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;--ju_g:1.15rem;--ju_r:6px;--ju_sf:rgb(24 29 42);--ju_p:rgb(73 91 116);--ju_on:rgb(248 250 251);--ju_fg:rgb(233 235 242);--ju_bd:rgb(44 52 73);--ju_a:rgb(228 146 58);--ju_pt:rgb(136 162 195);--ju_w:1220px;--ju_p2:rgb(77 89 117);--ju_f:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;--ju_mu:rgb(159 167 188);color-scheme:dark}
*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:4.2rem;-webkit-text-size-adjust:100%}
body{background:var(--ju_bg);font:16px/1.75 var(--ju_f);margin:0;overflow-wrap:anywhere;color:var(--ju_fg)}
a{text-underline-offset:3px;color:var(--ju_pt)}
summary:focus-visible,a:focus-visible{outline:2px solid var(--ju_pt);outline-offset:3px;border-radius:2px}
svg{display:block}
h3,h2,h1{font-family:var(--ju_hf);margin:0;color:var(--ju_fg);line-height:1.3}
.ju_skip{top:0;left:-999px;position:absolute}
.ju_skip:focus{z-index:20;background:var(--ju_sf);top:1.05rem;left:1.05rem;padding:.55rem 1.05rem}
.ju_progress{position:fixed;top:0;left:0;height:3px;width:100%;background:var(--ju_a);transform:scaleX(0);transform-origin:0 50%;z-index:15}
.ju_shell{max-width:var(--ju_w);margin:0 auto;padding:0 1.05rem}
/* masthead */
.ju_mast{padding:calc(var(--ju_g)*1.2) 0 0}
.ju_dateline{flex-wrap:wrap;gap:1.05rem;padding-bottom:.55rem;justify-content:space-between;display:flex;color:var(--ju_mu);letter-spacing:.06em;font-size:.8rem;border-bottom:1px solid var(--ju_bd)}
.ju_brand{align-items:center;justify-content:center;display:flex;text-decoration:none;padding:calc(var(--ju_g)*1.4) 0 calc(var(--ju_g)*1.1);gap:.85rem;color:var(--ju_fg)}
.ju_brand .ju_logo{height:44px;flex:none;width:44px}
.ju_brand b{line-height:1.1;font-family:var(--ju_hf);font-weight:800;letter-spacing:.04em;font-size:clamp(2rem,5.4vw,3.55rem)}
.ju_rule{height:6px;margin:0;border-top:3px solid var(--ju_fg);border-bottom:1px solid var(--ju_fg)}
/* category bar */
.ju_cats{position:sticky;top:0;z-index:10;background:var(--ju_bg);border-bottom:1px solid var(--ju_bd)}
.ju_cats ul{overflow-x:auto;max-width:var(--ju_w);scrollbar-width:none;margin:0 auto;list-style:none;display:flex;gap:.2rem;padding:0 1.05rem}
.ju_cats ul::-webkit-scrollbar{display:none}
.ju_cats a{white-space:nowrap;display:block;font-weight:600;font-size:.95rem;border-bottom:2px solid transparent;text-decoration:none;padding:.75rem .9rem;color:var(--ju_fg)}
.ju_cats a:hover{color:var(--ju_pt);border-bottom-color:var(--ju_p)}
.ju_cats li:first-child a{padding-left:0}
/* body grid */
.ju_body{grid-template-columns:minmax(0,1fr) 300px;display:grid;gap:calc(var(--ju_g)*3);padding-bottom:calc(var(--ju_g)*3);padding-top:calc(var(--ju_g)*2.2)}
.ju_main{min-width:0}
.ju_kicker{letter-spacing:.18em;margin:0 0 .85rem;font-weight:700;display:inline-block;text-transform:uppercase;color:var(--ju_a);font-size:.8rem}
.ju_kicker::before{height:2px;display:inline-block;background:var(--ju_a);margin-right:.65rem;width:1.7rem;vertical-align:middle;content:""}
.ju_lead h1{font-size:clamp(1.9rem,4.6vw,3.15rem);font-weight:800;line-height:1.18;letter-spacing:-.005em}
.ju_dek{color:var(--ju_mu);margin:1.05rem 0 0;max-width:40em;font-size:1.2rem;line-height:1.7}
.ju_byline{flex-wrap:wrap;font-size:.85rem;display:flex;color:var(--ju_mu);margin:1.15rem 0 0;border-top:1px solid var(--ju_bd);gap:.4rem 1.25rem;padding:.75rem 0;border-bottom:1px solid var(--ju_bd)}
.ju_cover{margin:calc(var(--ju_g)*1.6) 0 0}
.ju_cover_art{border-radius:var(--ju_r);background:linear-gradient(135deg,color-mix(in srgb,var(--ju_p) 16%,var(--ju_bg)),color-mix(in srgb,var(--ju_p2) 6%,var(--ju_sf)));aspect-ratio:3/2;overflow:hidden}
.ju_cover_art .ju_decor{width:100%;height:100%}
.ju_cover figcaption{margin-top:.55rem;font-size:.85rem;padding-left:.75rem;color:var(--ju_mu);border-left:2px solid var(--ju_a)}
/* reading */
.ju_read{margin-top:calc(var(--ju_g)*2.4)}
.ju_article{line-height:1.95;font-family:var(--ju_hf);max-width:40em;font-size:1.1rem}
.ju_article+.ju_article{margin-top:calc(var(--ju_g)*2.6);border-top:1px solid var(--ju_bd);padding-top:calc(var(--ju_g)*2.2)}
.ju_article h2{font-size:clamp(1.45rem,3vw,1.95rem);font-weight:800;margin-bottom:1.05rem}
.ju_article h3{padding-left:.75rem;border-left:3px solid var(--ju_p);font-size:1.2rem;margin:1.9rem 0 .4rem}
.ju_article p{margin:0 0 1.1rem}
.ju_article ul,.ju_article ol{margin:0 0 1.15rem;padding-left:1.35rem}
.ju_article li{margin:.3rem 0}
.ju_article li::marker{color:var(--ju_pt)}
.ju_article>p:first-of-type::first-letter{font-size:3.3em;font-weight:800;float:left;color:var(--ju_pt);line-height:.9;margin:.08em .12em 0 0}
/* sections in main */
.ju_sec{margin-top:calc(var(--ju_g)*3.2)}
.ju_sec_h{margin-bottom:1.25rem;align-items:baseline;padding-top:.65rem;display:flex;border-top:3px solid var(--ju_fg);gap:.85rem}
.ju_sec_h h2{font-size:1.5rem;font-weight:800}
.ju_sec_h span{letter-spacing:.16em;white-space:nowrap;color:var(--ju_mu);font-size:.8rem}
.ju_sub{margin:-.4rem 0 1.35rem;font-size:1rem;color:var(--ju_mu)}
.ju_pulls{grid-template-columns:repeat(2,minmax(0,1fr));gap:calc(var(--ju_g)*1.2);display:grid}
.ju_note{position:relative;background:var(--ju_sf);padding:1.7rem 1.15rem 1.15rem;border-radius:0 0 var(--ju_r) var(--ju_r);border-top:4px solid var(--ju_p)}
.ju_note.ju_con{border-top-color:var(--ju_a)}
.ju_note.ju_tip_n{border-top-color:var(--ju_mu)}
.ju_note::before{right:.95rem;top:-.1rem;color:color-mix(in srgb,var(--ju_p) 35%,transparent);content:"\201C";font:800 3.8rem/1 var(--ju_hf);position:absolute}
.ju_verdict{font-weight:700;color:var(--ju_pt);font-size:.8rem;letter-spacing:.1em}
.ju_note.ju_con .ju_verdict{color:var(--ju_a)}
.ju_note h3{margin:.35rem 0 .45rem;font-size:1.2rem;line-height:1.45}
.ju_note p{font-size:1rem;margin:0;color:var(--ju_mu)}
.ju_stepset h3{margin-bottom:.85rem;font-size:1.15rem}
.ju_steps{margin:0;list-style:none;counter-reset:ju_st;padding:0}
.ju_steps li{position:relative;padding:0 0 1.15rem 3.15rem;margin-left:1.05rem;border-left:1px dashed var(--ju_bd);counter-increment:ju_st}
.ju_steps li:last-child{border-left-color:transparent}
.ju_steps li::before{content:counter(ju_st);position:absolute;left:-1rem;top:0;width:2.1rem;height:2.1rem;border-radius:50%;background:var(--ju_bg);border:2px solid var(--ju_p);display:grid;place-items:center;font-weight:800;font-size:.95rem;color:var(--ju_pt)}
.ju_steps b,.ju_steps strong{padding-top:.2rem;display:block}
.ju_steps p{font-size:1rem;color:var(--ju_mu);margin:.2rem 0 0}
.ju_tablewrap{overflow-x:auto;border:1px solid var(--ju_bd);border-radius:var(--ju_r)}
.ju_compare{width:100%;border-collapse:collapse;font-size:.95rem;min-width:31.5rem}
.ju_compare caption{caption-side:top;font-weight:700;padding:.75rem .95rem;text-align:left}
.ju_compare th,.ju_compare td{padding:.65rem .95rem;vertical-align:top;border-top:1px solid var(--ju_bd);text-align:left}
.ju_compare thead th{background:var(--ju_sf);font-size:.85rem;letter-spacing:.04em}
.ju_compare tbody th{font-weight:600}
.ju_letters{display:grid;gap:0}
.ju_letter{padding:1.05rem 0;border-bottom:1px solid var(--ju_bd)}
.ju_letter h3{gap:.65rem;display:flex;font-size:1.1rem}
.ju_letter h3::before{border-radius:var(--ju_r);width:1.6rem;margin-top:.1rem;color:var(--ju_on);font-size:.85rem;place-items:center;flex:none;display:grid;height:1.6rem;background:var(--ju_p);content:"问"}
.ju_letter p{color:var(--ju_mu);margin:.45rem 0 0 2.2rem}
/* sidebar */
.ju_side{min-width:0;display:flex;gap:calc(var(--ju_g)*1.8);flex-direction:column}
.ju_latest h2,.ju_box h2{letter-spacing:.18em;padding-bottom:.45rem;margin:0 0 .85rem;font-family:var(--ju_f);font-size:.85rem;font-weight:800;border-bottom:2px solid var(--ju_fg)}
.ju_dl{background:var(--ju_sf);border:1px solid var(--ju_bd);border-radius:var(--ju_r);padding:1.15rem}
.ju_dl h2{border-bottom-color:var(--ju_p)}
.ju_dl p{margin:0 0 .85rem;font-size:.9rem;color:var(--ju_mu)}
.ju_dl ul{gap:.55rem;margin:0;list-style:none;display:grid;padding:0;grid-template-columns:1fr 1fr}
.ju_dl a{display:flex;align-items:center;gap:.45rem;padding:.65rem .7rem;border-radius:var(--ju_r);background:var(--ju_bg);border:1px solid var(--ju_bd);color:var(--ju_fg);text-decoration:none;font-size:.9rem;font-weight:600}
.ju_dl a:hover{border-color:var(--ju_p)}
.ju_dl svg{width:18px;height:18px;flex:none;fill:none;stroke:var(--ju_pt);stroke-width:1.8}
.ju_gloss{margin:0;display:grid;gap:.8rem}
.ju_gloss dt{font-weight:700;font-size:.95rem}
.ju_gloss dd{margin:.1rem 0 0;font-size:.9rem;line-height:1.6;color:var(--ju_mu)}
.ju_rel{display:flex;flex-direction:column}
.ju_rel a{padding:.55rem 0;border-bottom:1px dotted var(--ju_bd);font-size:.95rem;text-decoration:none;color:var(--ju_fg)}
.ju_rel a::before{content:"→";color:var(--ju_pt);margin-right:.55rem}
.ju_rel a:hover{color:var(--ju_pt)}
.ju_latest ul{counter-reset:ju_lt;margin:0;list-style:none;padding:0}
.ju_latest li{line-height:1.5;gap:.75rem;padding:.6rem 0;font-size:.95rem;counter-increment:ju_lt;display:flex;border-bottom:1px solid var(--ju_bd)}
.ju_latest li::before{min-width:1.15rem;content:counter(ju_lt);font:800 1.35rem/1 var(--ju_hf);color:var(--ju_a)}
.ju_latest a{text-decoration:none;color:var(--ju_fg)}
.ju_latest a:hover{text-decoration:underline;color:var(--ju_pt)}
.ju_tags{flex-wrap:wrap;display:flex;gap:.4rem}
.ju_tags a{font-size:.85rem;padding:.25rem .7rem;border:1px solid var(--ju_bd);border-radius:999px;color:var(--ju_mu);text-decoration:none}
.ju_tags a:nth-child(3n+1){font-size:.95rem;color:var(--ju_fg)}
.ju_tags a:hover{border-color:var(--ju_p);color:var(--ju_pt)}
/* colophon */
.ju_colophon{padding:calc(var(--ju_g)*2) 1.05rem calc(var(--ju_g)*2.4);font-size:.9rem;color:var(--ju_mu);border-top:1px solid var(--ju_bd);text-align:center}
.ju_colophon .ju_logo{margin:0 auto .55rem;height:28px;width:28px}
.ju_colophon b{display:block;font-family:var(--ju_hf);letter-spacing:.05em;font-size:1.15rem;color:var(--ju_fg)}
.ju_colophon p{margin:.3rem 0}
@media (max-width:900px){
.ju_body{gap:calc(var(--ju_g)*2.6);grid-template-columns:minmax(0,1fr)}
.ju_side{display:grid;grid-template-columns:repeat(auto-fit,minmax(15.75rem,1fr))}
}
@media (max-width:560px){
body{font-size:15px}
.ju_pulls{grid-template-columns:minmax(0,1fr)}
.ju_article{line-height:1.85;font-size:1.05rem}
.ju_dateline span:last-child{display:none}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.ju_progress{display:none}}
.ju_mast2_in{align-items:center;gap:1.05rem;border-bottom:3px double var(--ju_fg);justify-content:space-between;padding:.95rem 0 .85rem;display:flex}
.ju_mast2 .ju_brand{justify-content:flex-start;padding:0}
.ju_mast2 .ju_brand b{font-size:clamp(1.45rem,3.4vw,2.2rem)}
.ju_mast2 .ju_dateline{border:0;gap:.1rem;padding:0;flex-direction:column;align-items:flex-end}
.ju_mast3 .ju_brand{padding-top:1.25rem}
.ju_pulls_1{grid-template-columns:1fr}
.ju_letters_2{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem}
.ju_colophon2{max-width:var(--ju_w);padding-left:1.05rem;margin:0 auto;display:grid;gap:2.1rem;grid-template-columns:1fr 1fr;text-align:left;padding-right:1.05rem}
.ju_colophon2 .ju_brand{justify-content:flex-start;padding:0 0 .55rem}
.ju_colophon2 .ju_brand b{font-size:1.45rem}
@media (max-width:640px){.ju_colophon2,.ju_letters_2{grid-template-columns:1fr}.ju_mast2_in{align-items:flex-start;flex-direction:column}.ju_mast2 .ju_dateline{align-items:flex-start}}
@media (min-width:1024px){.ju_body{grid-template-columns:300px minmax(0,1fr)}.ju_side{order:-1}}
.ju_cover_art{aspect-ratio:21/9}.ju_mast .ju_brand{justify-content:flex-start}
.ju_ext{font-size:.85rem;color:var(--ju_mu);margin:.95rem 0 0}.ju_ext span{opacity:.8;margin-right:.55rem}.ju_ext a{color:var(--ju_mu)}
h1{text-wrap:balance}