*{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f4f6fb;--card: #ffffff;--text: #171c26;--muted: #8a9099;--primary: #2f5cf0;--primary-strong: #4d7bff;--primary-weak: #edf1ff;--danger: #e5484d;--success: #00a56b;--success-weak: #e3f7ef;--warn: #c77700;--warn-weak: #fff4e0;--border: #e8eaf0;--field-bg: #f5f6f9;--radius: 14px;--shadow-card: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 6px rgba(16, 24, 40, .03);--shadow-float: 0 8px 20px rgba(47, 92, 240, .35)}html{-webkit-tap-highlight-color:transparent;overflow-x:hidden;scrollbar-width:none}body{background:linear-gradient(180deg,#eef1f8 0%,var(--bg) 240px);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft 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