:root{--pri: #3d6fe0;--pri-d: #2f57b8;--pri-2: #7b5cf0;--pri-3: #8a5cf6;--bg1: #f5f8ff;--bg2: #f7f5ff;--bg3: #ffffff;--tx: #1b2130;--tx2: #5b6478;--tx3: #8b94a8;--line: #e8ecf5;--line-soft: #f0f3fa;--card: #ffffff;--fs-xs: 12px;--fs-sm: 13px;--fs-md: 14px;--fs-lg: 16px;--fs-xl: 20px;--rad-sm: 8px;--rad-md: 12px;--rad-lg: 16px;--shadow-card: 0 1px 2px rgba(31, 58, 120, .06), 0 10px 24px -18px rgba(31, 58, 120, .38)}*{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100%}body{font-family:system-ui,-apple-system,PingFang SC,Microsoft YaHei,sans-serif;color:var(--tx);background:linear-gradient(180deg,var(--bg1) 0%,var(--bg2) 42%,var(--bg3) 100%) no-repeat;background-attachment:fixed;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.pc-wrap{max-width:1280px;margin:0 auto;padding:0 24px}.pc-card{background:var(--card);border-radius:var(--rad-lg);box-shadow:var(--shadow-card);padding:20px}