:root{--bg: #ffffff;--fg: #1f2933;--muted: #6b7280;--accent: #2563eb;--accent-soft: #7aa2ff;--border: #e5e7eb;--code-bg: #f6f8fa;--max: 720px;--max-wide: 960px;--cover-ratio: 1.91 / 1}@media(prefers-color-scheme:dark){:root{--bg: #0f1115;--fg: #e5e7eb;--muted: #9aa3af;--accent: #7aa2ff;--accent-soft: #2563eb;--border: #232830;--code-bg: #161922}}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.7}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}code{background:var(--code-bg);padding:2px 6px;border-radius:4px;font-size:.9em}.container{max-width:var(--max);margin:0 auto;padding:0 20px}.site header,.site footer{border-bottom:1px solid var(--border)}header.site .container,footer.site .container{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;flex-wrap:wrap}header.site{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px)}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--fg)}.brand:hover{text-decoration:none}.brand-logo{width:36px;height:36px;border-radius:50%;border:1px solid var(--border)}.brand-text{display:inline-flex;flex-direction:column;line-height:1.1}.brand-name{font-weight:700;font-size:17px;letter-spacing:.5px}.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.5px}nav a{margin-left:16px;color:var(--muted)}nav a:hover{color:var(--accent);text-decoration:none}nav a .en{color:var(--muted);font-size:12px;margin-left:4px;opacity:.8}nav a:hover .en{color:var(--accent)}main.container{padding-top:32px;padding-bottom:48px;min-height:60vh}h1{font-size:28px;line-height:1.3}h2{font-size:22px;margin-top:32px}h3{font-size:18px;margin-top:24px}.ipa{color:var(--muted);font-size:.6em;font-weight:400;margin-left:6px}.muted{color:var(--muted)}.small{font-size:13px}.hero{max-width:var(--max-wide);margin:0 auto 32px;text-align:center}.hero-banner{width:100%;height:auto;border-radius:14px;border:1px solid var(--border);display:block;margin-bottom:20px}.hero-text h1{font-size:32px;margin:0 0 6px}.hero-tagline{font-size:16px;color:var(--accent);font-weight:500;margin:4px 0 12px}.hero-desc{font-size:15px;color:var(--fg);margin:0}.about-hero{display:flex;gap:24px;align-items:center;padding:24px 0;border-bottom:1px solid var(--border);margin-bottom:24px;flex-wrap:wrap}.about-hero .avatar{width:120px;height:120px;border-radius:50%;border:2px solid var(--border);flex-shrink:0}.about-hero .hero-text{flex:1;min-width:240px}.about-hero .tagline{color:var(--accent);font-weight:500;margin:4px 0 8px}.about-hero .etymology{font-size:14px;margin:0}.bilingual{display:grid;gap:28px}@media(min-width:720px){.bilingual{grid-template-columns:1fr 1fr;gap:36px}.bilingual .lang-en{border-right:1px solid var(--border);padding-right:24px}}.lang h2{display:flex;align-items:center;gap:10px}.lang-tag{font-size:11px;color:var(--muted);background:var(--code-bg);padding:2px 8px;border-radius:999px;font-weight:400}.lang-en,.lang-cn{min-width:0}.lang-en>:first-child,.lang-cn>:first-child{margin-top:0}.lang-en h2,.lang-cn h2{margin:0 0 10px;font-size:22px}.lang-en h3,.lang-cn h3{margin:20px 0 8px;color:var(--accent);font-size:17px}.lang-en p,.lang-cn p{line-height:1.75;margin:0 0 12px}.lang-en ul,.lang-cn ul{padding-left:20px;margin:8px 0 16px}.lang-en li,.lang-cn li{padding:3px 0;line-height:1.6}.tag-list{list-style:none;padding:0}.tag-list li{padding:6px 0;border-bottom:1px dashed var(--border)}.tag-list li:last-child{border-bottom:none}.connect{margin-top:36px;padding-top:24px;border-top:1px solid var(--border)}.socials{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:10px;margin:12px 0}.socials a{display:inline-flex;flex-direction:column;gap:2px;padding:8px 14px;border:1px solid var(--border);border-radius:10px;color:var(--fg);background:var(--code-bg)}.socials a:hover{border-color:var(--accent);text-decoration:none;color:var(--accent)}.socials .s-name{font-weight:600;font-size:13px}.socials .s-handle{font-size:12px;color:var(--muted)}.post-list{list-style:none;padding:0;margin:0}.post-list li{padding:18px 0;border-bottom:1px solid var(--border)}.post-list .card{display:flex;gap:18px;align-items:flex-start;color:inherit}.post-list .card:hover{text-decoration:none}.post-list .card:hover .title{color:var(--accent)}.post-list .thumb{flex:0 0 220px;aspect-ratio:var(--cover-ratio);overflow:hidden;border-radius:10px;background:linear-gradient(135deg,#2563eb22,#7aa2ff22);border:1px solid var(--border)}.post-list .thumb img{width:100%;height:100%;object-fit:cover;display:block}.post-list .card-body{flex:1;min-width:0}.post-list .title{font-size:18px;font-weight:600}.post-list .meta{color:var(--muted);font-size:13px;margin-top:4px}.post-list .desc{color:var(--muted);margin-top:6px}article .meta{color:var(--muted);font-size:14px;margin-bottom:24px}article img{max-width:100%;border-radius:8px}article img.x-img{width:100%;max-width:1200px;aspect-ratio:1.91 / 1;object-fit:cover;display:block;margin:20px auto}.cover-banner{display:block;width:100%;max-width:720px;aspect-ratio:var(--cover-ratio);object-fit:cover;border-radius:12px;margin:0 auto 28px}.yt-embed{position:relative;width:100%;max-width:1200px;aspect-ratio:16 / 9;margin:24px auto;border-radius:12px;overflow:hidden;background:#000}.yt-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.tag{display:inline-block;font-size:12px;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:2px 10px;margin-right:6px}@media(max-width:560px){.post-list .card{flex-direction:column;gap:12px}.post-list .thumb{flex-basis:auto;width:100%}.about-hero{flex-direction:column;align-items:flex-start}.hero-text h1{font-size:26px}}footer.site{border-bottom:none;border-top:1px solid var(--border);margin-top:48px}footer.site .container{color:var(--muted);font-size:13px;flex-direction:column;align-items:stretch;gap:12px}footer.site .footer-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}footer.site .footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding-top:8px;border-top:1px dashed var(--border)}footer.site a{color:var(--muted)}footer.site .copy a{color:var(--accent)}