@font-face {
  font-family: "Alimama ShuHeiTi";
  src: url("https://acc-1258344699.cos.accelerate.myqcloud.com/web/website/assets/AlimamaShuHeiTi-Bold.woff2")
    format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Alimama FangYuanTi VF";
  src: url("https://acc-1258344699.cos.accelerate.myqcloud.com/web/website/assets/AlimamaFangYuanTiVF-Thin.woff2")
    format("woff2");
  font-weight: 480;
  font-style: normal;
  font-display: swap;
}

:root {
  --color-bg: #000000;
  --color-card: #191a23;
  --color-primary: #9333ea;
  --color-primary-hover: #7e22ce;
  --color-text: #ffffff;
  --color-text-soft: #efeeec;
  --color-text-muted: rgba(239, 238, 236, 0.6);
  --color-text-secondary: #4c4f6b;
  --color-text-body: #b6b7c1;
  --color-text-faq: rgba(210, 211, 224, 0.6);
  --color-border: rgba(239, 238, 236, 0.2);
  --color-border-light: rgba(239, 238, 236, 0.08);
  --color-header-bg: rgba(30, 30, 30, 0.98);
  --color-dot-red: #ff465e;
  --color-dot-yellow: #febc2e;
  --color-dot-green: #28b894;
  --color-gray-950: #030712;

  --font-display: "Alimama ShuHeiTi", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Alimama FangYuanTi VF", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --max-content: 1780px;
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 40px;
  --radius-2xl: 60px;
  --radius-3xl: 80px;

  --transition: 0.3s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

/* 内容区：≤1780px 满宽自适应，>1780px 固定 1780 居中，两侧留白 */
.max-content {
  width: 100%;
  max-width: var(--max-content);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(16px, 4vw, 48px);
  padding-right: clamp(16px, 4vw, 48px);
  box-sizing: border-box;
}

@media (min-width: 768px) {
  .max-content {
    padding-left: clamp(24px, 5vw, 64px);
    padding-right: clamp(24px, 5vw, 64px);
  }
}

@media (min-width: 1780px) {
  .max-content {
    padding-left: 40px;
    padding-right: 40px;
  }
}