*{box-sizing:border-box}body{margin:0;font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7;color:#1d2733;background:#f4f8fb}
header{background:#12324a;color:#fff;padding:12px 16px}header a{color:#fff;text-decoration:none;margin-right:14px}header .logo{font-weight:700;font-size:1.1em}
main{max-width:860px;margin:0 auto;padding:16px;background:#fff;min-height:70vh}h1{font-size:1.6em}a{color:#1565c0}
.todo{background:#fff3cd;border-left:4px solid #e0a800;padding:2px 8px}.ad-slot{border:1px dashed #9ab;color:#789;text-align:center;padding:24px;margin:20px 0;font-size:.85em;background:#fafcfe}
.notice{font-size:.85em;color:#555;background:#eef3f7;padding:8px 12px;border-radius:6px}
footer{max-width:860px;margin:0 auto;padding:16px;font-size:.8em;color:#567}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}.card{border:1px solid #dde6ee;border-radius:8px;padding:12px}
table{border-collapse:collapse;width:100%}td,th{border:1px solid #dde6ee;padding:6px}input,select,button{font-size:1em;padding:6px;margin:4px 0}button{background:#1565c0;color:#fff;border:0;border-radius:6px;padding:8px 16px;cursor:pointer}