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

:root {
  --portfolio-text: #f5f5f7;
  --portfolio-orange: #fe9349;
  --portfolio-blue: #0071e3;
}

html {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
  background: #000;
}

body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  background: #0f141d;
  color: var(--portfolio-text);
  font-family: "SF Pro", "MiSans", "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", SimHei, Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-synthesis: none;
}

[data-section].config-motion-disabled *,
[data-section].config-motion-disabled *::before,
[data-section].config-motion-disabled *::after {
  animation: none !important;
  transition-duration: 0ms !important;
  transition-delay: 0ms !important;
}

img {
  display: block;
  max-width: none;
}

button,
select,
input,
textarea {
  font: inherit;
}

/* 全局轻提示弹框 — 黑色卡片 + 橙色描边，居中显示 */
.site-alert {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0);
  opacity: 0;
  transition: opacity 220ms ease, background 220ms ease;
  cursor: pointer;
}

.site-alert.is-visible {
  opacity: 1;
  background: rgba(0, 0, 0, .55);
}

.site-alert__box {
  padding: 28px 56px;
  border: 1px solid rgba(254, 147, 73, .6);
  border-radius: 18px;
  background: #1d1d1f;
  color: #f5f5f7;
  font: 630 22px/normal "MiSans", "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 1px;
  text-align: center;
  transform: translateY(12px) scale(.96);
  transition: transform 260ms cubic-bezier(.16, 1, .3, 1);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .5);
  pointer-events: none;
}

.site-alert.is-visible .site-alert__box {
  transform: none;
}

.section-load-error {
  min-height: 100vh;
  margin: 0;
  padding: 120px 24px;
  background: #000;
  color: #f5f5f7;
  text-align: center;
}

/* 单个模块加载失败时的占位符与重试按钮（不影响其余模块） */
.is-placeholder.is-load-error {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
}

.section-retry {
  padding: 12px 28px;
  border: 1px solid rgba(254, 147, 73, .6);
  border-radius: 999px;
  background: transparent;
  color: #f5f5f7;
  font-size: 15px;
  letter-spacing: 1px;
  cursor: pointer;
  transition: background 200ms ease, border-color 200ms ease;
}

.section-retry:hover,
.section-retry:focus-visible {
  background: #fff;
  border-color: #fe9349;
  outline: none;
}

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