*{box-sizing:border-box}:root{--paper: #ededed;--paper-2: #ffffff;--ink: #191919;--ink-60: rgba(25, 25, 25, .6);--ink-45: rgba(25, 25, 25, .45);--ink-30: rgba(25, 25, 25, .3);--rule: #e5e5e5;--accent: #07c160;--accent-hover: #06ad56;--danger: #fa5151}html,body,#root{margin:0;padding:0;min-height:100vh;font-family:-apple-system,PingFang SC,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased}body{background:var(--paper);color:var(--ink)}#root{display:flex;flex-direction:column}.page{flex:1;display:flex;flex-direction:column;min-height:100vh;position:relative;z-index:1}.site-header{padding:20px 32px;display:flex;align-items:center;gap:10px}.site-header .brand-icon{width:28px;height:28px;border-radius:6px;object-fit:cover;display:block}.site-header .brand{font-size:18px;font-weight:600;color:var(--ink);letter-spacing:-.01em}.hero{flex:1;width:100%;max-width:1080px;margin:0 auto;padding:24px 32px 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