.post-article{width:min(100%,880px);margin:clamp(2rem,5vw,4.5rem) auto 7rem;padding:0 clamp(1.25rem,4vw,2.5rem)}.post-back,.post-header{width:min(100%,760px);margin-inline:auto}.post-back{margin-bottom:clamp(3rem,8vw,6rem)}.back-link{display:inline-flex;align-items:center;gap:.55rem;color:var(--color-muted-strong);font-size:.82rem;font-weight:600;letter-spacing:.06em;text-decoration:none;transition:color .18s ease}.back-link:hover,.back-link:focus-visible{color:var(--color-accent)}.back-link:focus-visible{outline:2px solid var(--color-accent);outline-offset:5px}.back-icon{font-size:1.1rem;transition:transform .18s ease}.back-link:hover .back-icon{transform:translate(-3px)}.post-header{margin-bottom:clamp(3.5rem,8vw,6rem);padding-bottom:clamp(2rem,5vw,3.5rem);border-bottom:1px solid var(--color-rule)}.post-title{margin:0 0 1.5rem;color:var(--color-ink);font-family:var(--font-serif);font-size:clamp(3rem,9vw,5.25rem);font-weight:600;letter-spacing:-.025em;line-height:.98;text-wrap:balance}@media (min-width: 641px){.post-title{white-space:nowrap}}.post-meta{display:flex;align-items:center;gap:.7rem;margin-bottom:1.25rem;color:var(--color-muted-strong);font-size:.82rem;letter-spacing:.04em}.meta-divider{color:var(--color-rule)}.post-tags{display:flex;flex-wrap:wrap;gap:.45rem 1rem;margin-bottom:1.5rem}.post-tag{color:var(--color-accent);font-size:.78rem;font-weight:600;letter-spacing:.04em}.post-description-card{max-width:62ch;margin:2rem 0 0;padding-left:1.25rem;border-left:2px solid var(--color-accent)}.post-description{margin:0;color:var(--color-muted-strong);font-family:var(--font-serif);font-size:1.08rem;font-style:italic;line-height:1.75}.post-hero-image{margin:2.5rem 0 0;overflow:hidden;border-radius:12px;box-shadow:var(--shadow-card)}.post-hero-image img{display:block;width:100%;height:auto}.post-content{width:min(100%,680px);margin-inline:auto;color:#2d3934;font-family:var(--font-serif);font-size:clamp(1.08rem,1.4vw,1.18rem);line-height:2}.post-content>p:first-child{color:var(--color-ink);font-size:1.16em;line-height:1.9}.post-content>p:first-child:first-letter{float:left;margin:.08em .12em 0 0;color:var(--color-accent);font-size:3.5em;font-weight:600;line-height:.8}.post-content p{margin:0 0 1.75em}.post-content h2,.post-content h3,.post-content h4{color:var(--color-ink);font-family:var(--font-sans);text-wrap:balance}.post-content h2{position:relative;margin:4.5rem 0 1.4rem;padding-top:1.25rem;font-size:clamp(1.55rem,3vw,1.9rem);font-weight:600;letter-spacing:-.015em;line-height:1.3}.post-content h2:before{content:"";position:absolute;top:0;left:0;width:3rem;height:2px;background:var(--color-accent)}.post-content h3{margin:3rem 0 1rem;font-size:1.35rem;font-weight:600;line-height:1.4}.post-content h4{margin:2.5rem 0 .9rem;color:var(--color-muted-strong);font-size:1.1rem;font-weight:600;line-height:1.45}.post-content blockquote{margin:3rem 0;padding:1.6rem 0 1.6rem clamp(1.25rem,4vw,2rem);border-left:2px solid var(--color-accent);color:var(--color-ink);font-size:1.18em;font-style:italic;line-height:1.8}.post-content blockquote p{margin:0}.post-content a{color:var(--color-accent);text-decoration-color:color-mix(in srgb,var(--color-accent) 45%,transparent);text-decoration-thickness:1px;text-underline-offset:.18em}.post-content a:hover{text-decoration-color:var(--color-accent)}.post-content ul,.post-content ol{margin:2rem 0 2.75rem;padding:0}.post-content ul{padding-left:1.25rem}.post-content ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 2rem;list-style:none;counter-reset:editorial-list;border-top:1px solid var(--color-rule)}.post-content ol li{position:relative;min-height:6.25rem;padding:1.2rem 0 1.2rem 2.75rem;border-bottom:1px solid var(--color-rule);counter-increment:editorial-list}.post-content ol li:before{content:counter(editorial-list,decimal-leading-zero);position:absolute;top:1.25rem;left:0;color:var(--color-accent);font-family:var(--font-sans);font-size:.72rem;font-weight:700;letter-spacing:.08em}.post-content li{margin:0}.post-content strong{color:var(--color-ink);font-weight:700}.post-content .post-statement{margin:3rem 0;padding:1.4rem 0;border-block:1px solid var(--color-rule);color:var(--color-accent);font-family:var(--font-sans);font-size:clamp(1.25rem,3vw,1.55rem);line-height:1.5;text-align:center;text-wrap:balance}.post-content .post-statement strong{color:inherit}.post-content hr{width:4rem;margin:4rem auto;border:0;border-top:1px solid var(--color-rule)}.post-content pre{margin:2.5rem 0;padding:1.25rem;overflow-x:auto;border:1px solid var(--color-rule);border-radius:8px;background:#20312b09}.post-content code{padding:.18rem .35rem;border-radius:3px;background:#20312b0f;font-family:var(--font-mono);font-size:.86em}.post-content pre code{padding:0;background:none}html[lang=zh-CN] .post-title{font-family:Songti SC,STSong,"Noto Serif CJK SC","Noto Serif SC","Source Han Serif SC",SimSun,serif;font-size:clamp(2.2rem,5.2vw,3.6rem);font-weight:600;line-height:1.2;letter-spacing:-.015em;white-space:normal;text-wrap:balance}html[lang=zh-CN] .post-content{font-family:Songti SC,STSong,"Noto Serif CJK SC","Noto Serif SC","Source Han Serif SC",SimSun,serif;font-variant-numeric:lining-nums proportional-nums;text-align:justify;text-justify:inter-ideograph}html[lang=zh-CN] .post-content>p:first-child:first-letter{font-family:Songti SC,STSong,"Noto Serif CJK SC","Noto Serif SC",serif;line-height:.88;margin:.05em .12em 0 0}html[lang=zh-CN] .post-content h2,html[lang=zh-CN] .post-content h3,html[lang=zh-CN] .post-content h4,html[lang=zh-CN] .post-content blockquote,html[lang=zh-CN] .post-content ol{text-align:left}@media (max-width: 640px){.post-article{margin-top:1.5rem;padding-inline:1.1rem}.post-back{margin-bottom:2.75rem}.post-title{font-size:clamp(2.75rem,15vw,4rem);line-height:1.04}.post-header{margin-bottom:3.5rem}.post-content{font-size:1.05rem;line-height:1.92}.post-content h2{margin-top:3.75rem}.post-content ol{grid-template-columns:1fr}.post-content ol li{min-height:0}.post-content blockquote{margin-block:2.5rem}}