.post-header{margin-bottom:32px}.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px}.post-date{font-size:12px;color:var(--c-ink-300)}.post-title{font-size:clamp(20px,3.5vw,30px);font-weight:700;line-height:1.45;color:var(--c-ink-800);letter-spacing:var(--ls-heading)}.post-thumb{width:100%;height:420px;border-radius:var(--r-lg);margin-bottom:36px;display:flex;align-items:center;justify-content:center;font-size:72px;overflow:hidden;background:var(--c-ink-50)}.post-thumb img{width:100%;height:100%;object-fit:contain}.post-body{font-size:15px;line-height:2.0;color:var(--c-ink-700)}.post-body h1,.post-body h2{font-size:20px;font-weight:700;color:var(--c-ink-800);margin:44px 0 18px;padding:12px 16px 12px 20px;border-left:4px solid var(--c-sky-400);background:var(--c-sky-50);border-radius:0 var(--r-sm) var(--r-sm) 0;line-height:1.4}.post-body h3{font-size:17px;font-weight:700;color:var(--c-ink-800);margin:36px 0 14px}.post-body h4{font-size:15px;font-weight:700;color:var(--c-ink-700);margin:28px 0 10px}.post-body p{margin-bottom:18px}.post-body strong{color:var(--c-sky-600);font-weight:700}.post-body em{font-style:italic;color:var(--c-ink-500)}.post-body blockquote{background:var(--c-sky-50);border-left:4px solid var(--c-sky-300);padding:14px 18px;margin:22px 0;border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--c-ink-500);font-style:italic}.post-body ul,.post-body ol{padding-left:24px;margin-bottom:18px}.post-body li{margin-bottom:6px}.post-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px}.post-body th{background:var(--c-sky-400);color:var(--c-white);padding:10px 14px;text-align:left;font-weight:600}.post-body td{padding:10px 14px;border-bottom:1px solid var(--c-ink-100)}.post-body tr:nth-child(even) td{background:var(--c-sky-50)}.post-body hr{border:none;border-top:2px solid var(--c-ink-100);margin:32px 0}.post-body code{background:var(--c-ink-50);border:1px solid var(--c-ink-100);border-radius:4px;padding:2px 6px;font-size:13px;font-family:monospace}.post-body pre{background:var(--c-ink-800);color:#e0eaf0;border-radius:var(--r-md);padding:20px;overflow-x:auto;margin:22px 0}.post-body pre code{background:none;border:none;color:inherit}.post-body a{color:var(--c-sky-500);text-decoration:underline}.post-body img{border-radius:var(--r-md);width:auto;height:auto;object-fit:contain;display:block;margin:16px 0;max-width:100%;max-height:480px}.post-body img.img-small{max-width:280px;max-height:280px}.post-body img.img-medium{max-width:480px;max-height:480px}.post-body img.img-large{max-width:720px;max-height:640px}.post-body img.img-original{max-width:100%;max-height:none}.share-area{margin:48px 0;padding:24px;background:var(--c-sky-50);border-radius:var(--r-lg);text-align:center}.share-label{font-size:13px;color:var(--c-ink-400);margin-bottom:14px}.share-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.share-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:var(--r-full);font-size:13px;font-weight:600;text-decoration:none;transition:opacity var(--t-fast),transform var(--t-fast)}.share-btn:hover{opacity:.85;transform:translateY(-1px)}.share-x{background:#000;color:#fff}.related-section{margin-top:52px;border-top:2px solid var(--c-ink-100);padding-top:36px}.related-title{font-size:16px;font-weight:700;color:var(--c-ink-700);margin-bottom:20px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.related-card{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--c-ink-100);text-decoration:none;color:inherit;transition:transform var(--t-fast),box-shadow var(--t-fast)}.related-card:hover{transform:translateY(-3px);box-shadow:var(--s-sm)}.related-thumb{height:90px;display:flex;align-items:center;justify-content:center;font-size:28px}.related-thumb img{width:100%;height:100%;object-fit:contain}.related-body{padding:10px 12px}.related-card-title{font-size:12px;font-weight:600;line-height:1.6;color:var(--c-ink-700)}.related-card-date{font-size:10px;color:var(--c-ink-300);margin-top:4px}.sidebar-avatar{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--c-sky-200),var(--c-sky-400));display:flex;align-items:center;justify-content:center;font-size:28px;margin:0 auto 12px;border:2px solid var(--c-white);box-shadow:0 0 0 3px var(--c-sky-200)}.sidebar-name{font-size:14px;font-weight:700;color:var(--c-ink-800);text-align:center;margin-bottom:6px}.sidebar-bio{font-size:12px;color:var(--c-ink-400);line-height:1.7;text-align:center}@media(max-width:640px){.related-grid{grid-template-columns:1fr 1fr}.post-thumb{height:240px}.post-body table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}.post-body pre{overflow-x:auto;-webkit-overflow-scrolling:touch}.post-body h1,.post-body h2{font-size:17px;padding:10px 12px 10px 16px}.post-body h3{font-size:15px}.share-btns{flex-direction:column;align-items:center}.share-btn{width:100%;justify-content:center;max-width:280px}}@media(max-width:400px){.related-grid{grid-template-columns:1fr}}.post-thumb{border:0;border-radius:12px;box-shadow:none}.post-title{font-weight:700}.post-header{border-bottom:2px solid var(--c-ink-100)}.related-section{background:transparent;border:0;border-radius:0;box-shadow:none;padding-left:0;padding-right:0;border-top:2px solid var(--c-ink-100);padding-top:28px}.related-card{background:var(--c-white);border:2px solid var(--c-frame);border-radius:14px;box-shadow:none}.related-card:hover{transform:none;border-color:var(--c-sky-500)}.related-thumb{border-bottom:2px solid var(--c-frame)}.share-btn{border:2px solid var(--c-frame);border-radius:var(--r-full);font-weight:700;box-shadow:var(--sh-seal-sm)}.share-btn:hover{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--c-frame)}.share-x{box-shadow:none}.share-x:hover{transform:none;box-shadow:none;opacity:.85}.sidebar-avatar{border:0;box-shadow:none}