:root{--bg: #0b0b0c;--ink: #f2efe8;--muted: #8f8a80;--faint: #605c55;--line: #26262a;--card: #121214;--accent: #d4553a;--serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Songti SC", "Noto Serif CJK SC", serif;--sans: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}body{min-height:100dvh;background-image:radial-gradient(1200px 600px at 70% -10%,rgba(212,85,58,.08),transparent 60%)}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}.shell{min-height:100dvh;display:flex;flex-direction:column;max-width:1120px;margin:0 auto;padding:0 clamp(18px,4vw,48px)}.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0;border-bottom:1px solid 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