:root{--forest: #0f2a20;--forest-2: #14382b;--cream: #f6f1e7;--cream-2: #efe6d3;--orange: #f97316;--orange-dark: #ea580c;--ink: #1c2420;--muted: #6b7670;--card: #ffffff;--line: #e7e0d0;--radius: 16px;--shadow: 0 12px 32px rgba(15, 42, 32, .12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,sans-serif;color:var(--ink);background:#fff;line-height:1.6}button{font-family:inherit}.container{max-width:1180px;margin:0 auto;padding:0 20px}.page{overflow-x:hidden}.topbar{background:var(--forest);color:#d6e2d9;font-size:13px}.topbar-inner{display:flex;justify-content:space-between;align-items:center;padding-top:8px;padding-bottom:8px;gap:12px;flex-wrap:wrap}.topbar-right{opacity:.9}.nav{position:sticky;top:0;z-index:50;background:#ffffffeb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow 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