:root{--primary: #0649FF;--text-strong: #073858;--text-muted: #647F97;--canvas: #EFF2F6;--panel: #F7F9FF;--card: #FFFFFF;--step-inactive: #A7C7FF;--negative: #F04438;--positive: #45AE53;--panel-radius: 32px;--card-radius: 10px;--card-shadow: 0 12px 28px rgba(15, 40, 75, .06);--primary-button-radius: 999px;font-family:Inter,Arial,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--canvas);color:var(--text-strong);font-size:16px;line-height:1.5}.page{min-height:100vh;background:linear-gradient(#7a8ca52e,#7a8ca52e);display:flex;justify-content:center;padding:32px 16px}.panel{width:80%;max-width:1280px;background:var(--panel);border-radius:var(--panel-radius);box-shadow:var(--card-shadow);padding:48px 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