:root{--bg: #F0EBE0;--card: #FAF8F3;--paper: #FFFDF8;--ink: #2A2A26;--ink-soft: #4A4A42;--ink-muted: #8A8878;--green: #3A5A4C;--copper: #B08D57;--copper-light: #C8A97A;--border: rgba(58,90,76,.14)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Helvetica Neue,PingFang SC,sans-serif;font-size:16px;line-height:1.8;color:var(--ink);background:var(--bg);-webkit-text-size-adjust:100%}a{text-decoration:none;color:inherit}.page-nav{position:sticky;top:0;background:#faf8f3f2;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);box-shadow:0 2px 12px #2a2a260f;z-index:100;padding:12px 20px}.page-nav-inner{max-width:720px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:12px}.back-btn{display:inline-flex;align-items:center;gap:8px;padding:8px 16px 8px 12px;border-radius:999px;border:1px solid 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10px}.page-nav-brand{font-size:13px}.changelog-page h1{font-size:26px}.release summary{padding:16px}.release-title{font-size:18px}.release-content{padding:4px 18px 18px 40px}}