:root{--primary: #057a55;--primary-strong: #035c46;--accent: #2563eb;--warning: #b7791f;--bg-body: #f4f6f8;--bg-surface: #ffffff;--bg-muted: #eef2f6;--text-main: #1f2937;--text-muted: #637083;--border: #d9e0e8;--radius: 8px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);--shadow-md: 0 12px 30px rgba(15, 23, 42, .08)}*{box-sizing:border-box}body{margin:0;color:var(--text-main);background:var(--bg-body);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.5}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.58}.header{position:sticky;top:0;z-index:30;background:#fffffff5;border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.nav-container{max-width:1280px;min-height:72px;margin:0 auto;padding:0 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