:root{--red: #c92039;--ink: #24272c;--muted: #6a7079;--line: #e7e9ed;--subtle: #f6f7f9;--rose: #fcf3f4;--green: #387367;--width: 1160px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:114px}html.dialog-open{overflow:hidden}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}body{margin:0;color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.7;background:white;letter-spacing:0}.navigate_bar{position:fixed;top:0;right:0;left:0;z-index:999}.navigate_bar .nav_bar{height:70px;background:#fff}.nav_bar .layout{position:relative;width:calc(100% - 44px);max-width:1192px;height:70px;margin:0 auto;line-height:70px}#startchange{width:100%;height:70px}.main-logo{position:relative;float:left;width:124px;margin:20px auto}.main-logo img{display:block;width:100%;height:auto}.box-shadow{box-shadow:0 4px 20px 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