*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--primary: #1677ff;--primary-hover: #4096ff;--primary-bg: #e6f4ff;--success: #52c41a;--danger: #ff4d4f;--warning: #faad14;--text-primary: #1a1a1a;--text-secondary: #666;--text-hint: #999;--border: #e8e8e8;--bg: #f5f5f5;--white: #fff}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--white);color:var(--text-primary);min-height:100vh;min-height:100dvh;line-height:1.5;-webkit-text-size-adjust:100%}.app-container{position:relative;min-height:100vh;min-height:100dvh;overflow-x:hidden}.page-content{display:none;padding:24px 20px;min-height:100vh;min-height:100dvh}.page-content.active{display:block}.page-title{font-size:20px;font-weight:700;margin-bottom:6px;color:var(--text-primary)}.page-subtitle{font-size:13px;color:var(--text-hint);margin-bottom:24px}.steps-container{display:flex;justify-content:space-between;padding:16px 20px 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var(--border);border-radius:8px;font-size:15px;color:var(--text-primary);background:var(--white);transition:border-color .2s;outline:none;-webkit-appearance:none}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-bg)}.form-input::placeholder{color:var(--text-hint)}.form-input:read-only{background:#f5f5f5;color:var(--text-secondary)}.form-select{width:100%;height:44px;padding:0 12px;border:1px solid var(--border);border-radius:8px;font-size:15px;color:var(--text-primary);background:var(--white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M2 4l4 4 4-4'/%3E%3C/svg%3E") no-repeat right 12px center;-webkit-appearance:none;-moz-appearance:none;appearance:none;outline:none;cursor:pointer}.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-bg)}.radio-group{display:flex;gap:24px}.radio-group 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