:root{--primary:#1c62d6;--primary-hover:#154fae;--primary-soft:#eef4fd;--primary-line:#c8daf5;--primary-rgb:28,98,214;--primary-bright:#4b8ceb;--hot:#ff7d00;--hot-soft:#fff7e8;--ink:#1d2129;--ink-2:#4e5969;--ink-3:#86909c;--line:#e5e6eb;--fill:#f2f3f5;--bg:#f7f8fa;--paper:#ffffff;--footer:#0a1628;--nav-h:64px;--r:10px;--r-card:16px;--shadow:0 1px 2px rgba(29,33,41,0.04),0 4px 12px rgba(29,33,41,0.05);--shadow-hi:0 4px 14px rgba(29,33,41,0.06),0 18px 44px rgba(29,33,41,0.09);--shadow-card:0 2px 6px rgba(29,33,41,0.04),0 14px 32px rgba(var(--primary-rgb),0.09);--shadow-cta:0 8px 20px rgba(var(--primary-rgb),0.22);--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;--safe-b:env(safe-area-inset-bottom,0px);--page-gutter:max(48px,env(safe-area-inset-left,0px),env(safe-area-inset-right,0px))}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 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