.pub{-webkit-font-smoothing:antialiased}.pub .wrap{max-width:720px;margin:0 auto;padding:0 24px}@media (max-width:767px){.pub .wrap{padding:0 16px}.pub .masthead h1{font-size:28px}.pub .post-head h1{font-size:24px}}.pub .masthead{border-bottom:1px solid var(--color-line);padding:56px 0 30px}.pub .masthead .kicker{color:var(--color-brand-red);letter-spacing:2px;align-items:center;gap:8px;font-size:13px;display:inline-flex}.pub .masthead .kicker:before{content:"";background:var(--color-brand-red);width:22px;height:1px}.pub .masthead h1{letter-spacing:1px;margin:12px 0 8px;font-size:34px}.pub .masthead p{color:var(--color-ink-2);margin:0;font-size:14.5px;line-height:1.9}.pub .postlist{padding-top:10px}.pub .post{border-bottom:1px solid var(--color-line);color:inherit;padding:28px 0 26px;text-decoration:none;display:block}.pub .post .meta{color:var(--color-ink-3);align-items:center;gap:10px;margin-bottom:9px;font-size:13px;display:flex}.pub .post .meta .date:before{content:"";background:var(--color-brand-red);vertical-align:2px;border-radius:50%;width:5px;height:5px;margin-right:8px;display:inline-block}.pub .post h2{margin:0 0 9px;font-size:22px;line-height:1.5;transition:color .15s}.pub .post:hover h2{color:var(--color-primary)}.pub .post .excerpt{color:var(--color-ink-2);margin:0 0 12px;font-size:14px;line-height:1.95}.pub .post .tags{gap:8px;display:flex}.pub .tag{background:var(--color-success-subtle);color:var(--color-success);border-radius:999px;padding:2px 11px;font-size:12.5px;text-decoration:none;display:inline-block}.pub .tag:hover{background:var(--color-success);color:#fff}.pub .backlink{color:var(--color-ink-2);margin:34px 0 0;font-size:13.5px;text-decoration:none;display:inline-block}.pub .backlink:hover{color:var(--color-blue)}.pub .post-head{border-bottom:1px solid var(--color-line);padding:22px 0 26px}.pub .post-head .meta{color:var(--color-ink-3);align-items:center;gap:10px;margin-bottom:14px;font-size:13px;display:flex}.pub .post-head .meta .date:before{content:"";background:var(--color-brand-red);vertical-align:2px;border-radius:50%;width:5px;height:5px;margin-right:8px;display:inline-block}.pub .post-head h1{margin:0 0 16px;font-size:30px;line-height:1.55}.pub .post-head .tags{gap:8px;display:flex}.pub .post-head .last-updated{color:var(--color-ink-3);margin:10px 0 0;font-size:12.5px}.pub .prose{padding:30px 0 8px;font-size:15.5px;line-height:2.05}.pub .prose p{margin:0 0 1.35em}.pub .prose h2{margin:2.1em 0 .9em;font-size:21px}.pub .prose h3{margin:1.8em 0 .8em;font-size:17.5px}.pub .prose blockquote{border-left:3px solid var(--color-primary);background:var(--color-primary-subtle);color:var(--color-ink-2);border-radius:0 8px 8px 0;margin:1.5em 0;padding:10px 20px}.pub .prose blockquote p{margin:0}.pub .prose ul,.pub .prose ol{margin:0 0 1.35em;padding-left:1.4em}.pub .prose li{margin-bottom:.45em}.pub .prose pre{color:#d9e5de;background:#22332b;border-radius:8px;padding:16px 20px;font-size:13px;line-height:1.8;overflow-x:auto}.pub .prose code{font-family:ui-monospace,SF Mono,Menlo,monospace}.pub .prose :not(pre)>code{background:var(--color-surface);border-radius:4px;padding:1px 6px;font-size:.86em}.pub .prose mark{background:#f3e3b8;border-radius:2px;padding:0 2px}.dark .pub .prose mark{color:inherit;background:#5c4f2a}.pub .prose img{border-radius:10px;max-width:100%}.pub .prose a{color:var(--color-blue);text-underline-offset:3px}.pub .prose hr{border:0;border-top:1px solid var(--color-line);margin:2.4em 0}.pub .prose table{border-collapse:collapse;margin:0 0 1.35em;font-size:14px}.pub .prose th,.pub .prose td{border:1px solid var(--color-line);text-align:left;padding:6px 14px}.pub .prose th{background:var(--color-surface)}.pub .hero{text-align:center;border-bottom:1px solid var(--color-line);padding:54px 0 40px}.pub .hero h1{letter-spacing:4px;margin:16px 0 8px;font-size:32px}.pub .hero .tagline{color:var(--color-ink-2);letter-spacing:2.5px;margin:0;font-size:13.5px}.pub .hero .tagline:before,.pub .hero .tagline:after{content:"·";color:var(--color-brand-red);margin:0 10px}.pub .hero .cta{justify-content:center;gap:12px;margin-top:22px;display:flex}.pub .btn.primary{background:var(--color-primary);color:#f8f1e0;border-color:#0000}.pub .btn.primary:hover{background:var(--color-primary-hover)}.pub .duo{grid-template-columns:1.15fr 1fr;gap:16px;padding:26px 0 0;display:grid}@media (max-width:680px){.pub .duo{grid-template-columns:1fr}}.pub .duo-card{background:var(--color-card);border:1px solid var(--color-line);border-radius:12px;overflow:hidden}.pub .duo-head{border-bottom:1px solid var(--color-line);justify-content:space-between;align-items:baseline;padding:13px 18px;display:flex}.pub .duo-head b{font-family:var(--font-heading);letter-spacing:2px;font-size:18px}.pub .duo-card.kb .duo-head b:after{content:"";background:var(--color-success);vertical-align:4px;border-radius:2px;width:34px;height:3px;margin-left:10px;display:inline-block}.pub .duo-card.blog .duo-head b:after{content:"";background:var(--color-primary);vertical-align:4px;border-radius:2px;width:34px;height:3px;margin-left:10px;display:inline-block}.pub .duo-head span{color:var(--color-ink-3);font-size:11.5px}.pub .duo-body{padding:16px 18px}.pub .subj-grid{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.pub .subj{text-align:center;background:var(--color-surface);border-radius:7px;flex-direction:column;gap:2px;padding:9px 2px;display:flex}.pub .subj-name{color:var(--color-ink);font-size:12.5px;font-weight:600}.pub .subj-count{color:var(--color-ink-3);font-size:11px}.pub .kb-stat{color:var(--color-ink-2);margin:14px 0 0;font-size:12.5px}.pub .kb-stat b{color:var(--color-success)}.pub .duo-empty{color:var(--color-ink-2);margin:0;font-size:13.5px}.pub .post-row{border-bottom:1px dashed var(--color-line);color:inherit;padding:11px 0;text-decoration:none;display:block}.pub .post-row .meta{color:var(--color-ink-3);font-size:11.5px}.pub .post-row .meta .date:before{content:"";background:var(--color-brand-red);vertical-align:2px;border-radius:50%;width:5px;height:5px;margin-right:7px;display:inline-block}.pub .post-row .meta em{color:var(--color-success);margin-left:8px;font-style:normal}.pub .post-row .post-title{margin-top:3px;font-size:15px;font-weight:600;display:block}.pub .post-row:hover .post-title{color:var(--color-primary)}.pub .more{color:var(--color-ink-2);margin-top:10px;font-size:13px;text-decoration:none;display:inline-block}.pub .more:hover{color:var(--color-primary)}.pub .btn{border:1px solid var(--color-line);background:var(--color-card);color:var(--color-ink);cursor:pointer;border-radius:6px;justify-content:center;align-items:center;padding:7px 14px;font-size:14px;line-height:1.3;text-decoration:none;display:inline-flex}.pub .btn:hover{background:var(--color-surface)}.pub-footer{border-top:1px solid var(--color-line);text-align:center;color:var(--color-ink-3);margin-top:72px;padding:30px 24px 44px;font-size:13px}.pub-footer-brand{color:inherit;justify-content:center;align-items:center;gap:10px;margin-bottom:10px;text-decoration:none;display:inline-flex}.pub-footer-brand svg,.pub-footer-brand [role=img]{filter:drop-shadow(0 1px 2px #0000001f);width:32px;height:32px}.pub-footer-brand .name{font-family:var(--font-heading);letter-spacing:.5px;font-size:15px;font-weight:600}.pub-footer a{color:var(--color-ink-2);text-decoration:none}.pub-footer a:hover{color:var(--color-primary)}.pub-footer-beian{margin-top:6px;font-size:12px}@media (max-width:767px){.pub .hero h1{font-size:26px}.pub .hero .cta{flex-wrap:wrap}}.pub .home-stats{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:16px;display:flex}.pub .hstat{color:var(--color-ink-2);background:var(--color-card);border:1px solid var(--color-line);border-radius:20px;padding:3px 12px;font-size:13px}.pub .hstat b{color:var(--color-primary)}.pub .notice-line{color:var(--color-gold);background:var(--color-card);border:1px dashed var(--color-gold);border-radius:6px;margin-top:12px;padding:5px 12px;font-size:12px;display:inline-block}.pub .sec{margin-top:28px}.pub .sec-head{align-items:baseline;gap:12px;margin-bottom:12px;display:flex}.pub .sec-head h2{font-family:var(--font-heading);letter-spacing:3px;margin:0;font-size:20px}.pub .sec-head .sub{color:var(--color-ink-3);font-size:12px}.pub .sec-head .more{color:var(--color-blue);margin-left:auto;font-size:13px;text-decoration:none}.pub .sec-head .more:hover{text-decoration:underline}.pub .study-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.pub .study-card{background:var(--color-card);border:1px solid var(--color-line);border-radius:8px;padding:14px 16px}.pub .study-card h3{letter-spacing:1px;margin:0 0 8px;font-size:16px}.pub .study-card.alt{border-style:dashed}.pub .study-card .badge{color:var(--color-gold);border:1px solid var(--color-gold);letter-spacing:1px;vertical-align:2px;border-radius:4px;margin-left:6px;padding:1px 6px;font-size:10px}.pub .sc-stats{color:var(--color-ink-2);flex-wrap:wrap;gap:10px;margin-bottom:10px;font-size:12px;display:flex}.pub .sc-stats .kb:before{content:"卷";color:var(--color-primary);margin-right:4px;font-weight:700}.pub .sc-stats .ex:before{content:"试";color:var(--color-blue);margin-right:4px;font-weight:700}.pub .sc-actions{gap:8px;display:flex}.pub .sc-actions .btn{flex:1}.pub .btn.blue{color:var(--color-blue);border-color:var(--color-blue)}.pub .btn.blue:hover{background:var(--color-blue);color:var(--color-card)}.pub .btn.disabled{opacity:.45;cursor:not-allowed}.pub .stream{background:var(--color-card);border:1px solid var(--color-line);border-radius:8px;margin:0;padding:4px 16px;list-style:none}.pub .stream li{border-bottom:1px dashed var(--color-line)}.pub .stream li:last-child{border-bottom:none}.pub .stream a{align-items:baseline;gap:14px;padding:11px 2px;text-decoration:none;display:flex}.pub .stream .st{color:var(--color-ink);flex:1;font-size:15px}.pub .stream a:hover .st{color:var(--color-primary)}.pub .stream .stag{color:var(--color-success);border:1px solid var(--color-line);white-space:nowrap;border-radius:4px;padding:1px 7px;font-size:11px}.pub .stream .sd{color:var(--color-ink-3);white-space:nowrap;font-size:12px}.pub .sec-last{padding-bottom:8px}@media (max-width:767px){.pub .study-grid{grid-template-columns:1fr}.pub .sec-head .sub,.pub .stream .sd{display:none}}