:root{--bg:#0e1116;--surface:#161b22;--line:#30363d;--text:#e6edf3;--muted:#9ba7b4;--accent:#79c0ff}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.75 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
a{color:var(--accent);text-decoration:none}.hero{min-height:220px;padding:34px 24px;background:linear-gradient(#07101aa6,#07101acc),url("crane-hero.jpg") center 46%/cover}
.hero-inner{max-width:920px;margin:auto;display:flex;justify-content:space-between;align-items:center}.brand{color:white;font-size:25px;font-weight:800;text-shadow:0 2px 12px #000}
nav{display:flex;gap:10px}nav a,nav button{color:white;border:1px solid #ffffff66;border-radius:20px;padding:5px 13px;text-shadow:0 1px 5px #000;background:transparent;font:inherit;cursor:pointer}
main{max-width:920px;margin:auto;padding:40px 24px 80px}.intro{margin-bottom:35px}.intro h1{font-size:38px;margin:0}.intro p,.meta,.summary,.tags{color:var(--muted)}
.posts{list-style:none;padding:0}.posts li{border-top:1px solid var(--line)}.posts a{display:block;padding:24px 4px;color:var(--text)}.posts h2{margin:4px 0;font-size:22px}.posts p{color:var(--muted);margin:4px 0}.posts time,.posts span{color:var(--accent);font-size:12px}
article h1{font-size:38px;line-height:1.25}.markdown{border-top:1px solid var(--line);margin-top:28px;padding-top:20px}.markdown h2{margin-top:40px}.markdown img{max-width:100%}.markdown pre{overflow:auto;background:var(--surface);padding:16px}.markdown table{border-collapse:collapse;width:100%;display:block;overflow:auto}.markdown th,.markdown td{border:1px solid var(--line);padding:7px 10px}
footer{border-top:1px solid var(--line);padding:24px;text-align:center;color:var(--muted)}
@media(max-width:650px){.hero-inner{align-items:flex-start;gap:24px;flex-direction:column}.hero{min-height:250px}.intro h1,article h1{font-size:29px}nav{flex-wrap:wrap}}