@font-face {
  font-family: 'RuiZiZongYi';
  src: url('../fonts/锐字云字库综艺简繁.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root {
  --void: #000000;
  --carbon: #080808;
  --obsidian: #111111;
  --graphite: #171717;
  --slate: #242424;
  --fog: #333333;
  --ash: #666666;
  --smoke: #8c8c8c;
  --silver: #999999;
  --bone: #cccccc;
  --paper: #ffffff;
  --electric: #FFC42C;
  --brand-blue: #032BAB;

  --font-display: 'Inter Tight', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;

  --max-width: 1300px;
  --section-gap: 56px;
  --card-padding: 16px;
  --element-gap: 16px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 15px;
  --radius-pill: 100px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

/* ═══ Shared Utility Classes ═══ */

/* Glass-panel: frosted glass base shared by cards, modals, panels */
.glass-panel {
  background: rgba(255, 255, 255, 0.025);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

/* Glow-top-bar: animated gold edge on hover */
.glow-top-bar {
  position: relative;
  overflow: hidden;
}
.glow-top-bar::before {
  content: '';
  position: absolute;
  top: 0; left: 8px; right: 8px; z-index: 3;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 196, 44, 0.20) 15%,
    rgba(255, 196, 44, 0.55) 50%,
    rgba(255, 196, 44, 0.20) 85%,
    transparent 100%
  );
  border-radius: 0 0 1px 1px;
  opacity: 0;
  transition: opacity 0.35s ease;
}
.glow-top-bar:hover::before { opacity: 1; }

/* Card-lift: shared hover lift + golden halo for cards */
.card-lift {
  transition: transform 0.4s cubic-bezier(0.22, 0.61, 0.36, 1),
              background 0.3s, border-color 0.25s ease,
              box-shadow 0.4s ease;
}
.card-lift:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.14);
  transform: translateY(-4px) !important;
  box-shadow: 0 16px 32px -12px rgba(0, 0, 0, 0.45),
              0 0 0 1px rgba(255, 196, 44, 0.08);
}

/* btn-arrow-slide: shared button arrow reveal pattern */
.btn-arrow-slide {
  display: inline-flex; align-items: center; gap: 8px;
  position: relative; overflow: hidden;
  transition: padding-right 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-arrow-slide .btn-text {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-arrow-slide .btn-arrow {
  position: absolute; right: 16px;
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 0.35s ease, transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  width: 0; height: 0;
  border-left: 6px solid var(--paper);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}
.btn-arrow-slide:hover {
  padding-right: 36px;
  transform: scale(1.04);
}
.btn-arrow-slide:hover .btn-text {
  transform: translateX(-8px);
}
.btn-arrow-slide:hover .btn-arrow {
  opacity: 1;
  transform: translateX(0);
}

body {
  background:
    radial-gradient(ellipse at 15% 40%, rgba(255, 196, 44, 0.05) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 25%, rgba(3, 43, 171, 0.35) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 75%, rgba(255, 196, 44, 0.07) 0%, transparent 45%),
    radial-gradient(ellipse at 30% 90%, rgba(3, 43, 171, 0.4) 0%, transparent 50%),
    linear-gradient(180deg, #04081a 0%, #0b1135 35%, #061345 65%, #021a6e 100%);
  background-attachment: fixed;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
}

/* ═══ Shooting Stars — 全局流星 ═══ */
.shooting-stars {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.shooting-star {
  position: absolute;
  width: 90px;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.40) 60%,
    rgba(255, 255, 255, 0.90) 100%
  );
  transform: rotate(var(--angle, 30deg)) translateX(0);
  animation: meteorShoot var(--dur, 30s) var(--delay, 0s) linear infinite;
  opacity: 0;
}
/* 头部亮点 */
.shooting-star::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #fff;
}
@keyframes meteorShoot {
  0% {
    opacity: 0;
    transform: rotate(var(--angle, 30deg)) translateX(0);
  }
  1.2% {
    opacity: 1;
  }
  5% {
    opacity: 0.15;
  }
  6% {
    opacity: 0;
    transform: rotate(var(--angle, 30deg)) translateX(var(--dist, 60vw));
  }
  100% {
    opacity: 0;
    transform: rotate(var(--angle, 30deg)) translateX(var(--dist, 60vw));
  }
}