:root {
  --fx-orange: #EA580C;
  --fx-gold: #EAB308;
  --fx-purple: #7C3AED;
  --fx-teal: #0D9488;
  --fx-white-glow: rgba(255, 255, 255, 0.92);
}

/* ===== 全局鼠标拖尾 ===== */
#cursor-trail {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 10;
}

/* ===== Hero Canvas ===== */
#hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.hero {
  position: relative;
  overflow: hidden;
}
.hero .container {
  position: relative;
  z-index: 3;
}
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 70vw;
  height: 70vw;
  background: radial-gradient(circle, rgba(234, 89, 12, 0.22) 0%, rgba(234, 179, 8, 0.08) 40%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255, 255, 255, 0.012) 2px,
    rgba(255, 255, 255, 0.012) 4px
  );
  animation: scanDown 8s linear infinite;
  pointer-events: none;
  z-index: 2;
}
@keyframes scanDown {
  from { transform: translateY(-4px); }
  to { transform: translateY(4px); }
}

/* ===== Hero 标题逐字动画 ===== */
.hero-title {
  background: none !important;
  -webkit-background-clip: initial !important;
  background-clip: initial !important;
  -webkit-text-fill-color: initial !important;
  color: #fff !important;
}
.hero-title .word {
  display: inline-block;
  white-space: pre;
}
.hero-title .word span {
  display: inline-block;
  color: #fff;
  opacity: 0;
  filter: blur(4px);
  transform: translateY(30px);
  animation: wordPop 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
@keyframes wordPop {
  to {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
}
.hero-title .word.accent span {
  background: linear-gradient(90deg, #EAB308, #fff, #EAB308, #EA580C);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: wordPop 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards, shimmer 3s linear infinite;
}
@keyframes shimmer {
  0% { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}
@keyframes shimmer {
  0% { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

/* ===== Hero 按钮 ===== */
.hero .btn-primary {
  position: relative;
  overflow: hidden;
  animation: btnPulse 2s ease-in-out infinite;
}
@keyframes btnPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(234, 89, 12, 0.45); }
  50% { box-shadow: 0 0 24px 6px rgba(234, 89, 12, 0.7); }
}
.hero .btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
  transform: skewX(-25deg);
  animation: sheen 2.5s ease-in-out infinite;
}
@keyframes sheen {
  0% { left: -100%; }
  60%, 100% { left: 180%; }
}
.hero .btn-outline {
  position: relative;
  background: transparent;
  transition: all 0.3s;
}
.hero .btn-outline:hover {
  background: linear-gradient(90deg, #EAB308, #EA580C, #7C3AED, #EAB308);
  background-size: 400% 100%;
  animation: borderFlow 3s linear infinite;
  border-color: transparent;
  color: #fff;
}
@keyframes borderFlow {
  0% { background-position: 0% 50%; }
  100% { background-position: 400% 50%; }
}

/* ===== Hero 统计数字弹出 ===== */
.hero-stat strong {
  display: inline-block;
  animation: statPop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  transform: scale(0.3);
  opacity: 0;
}
.hero-stat:nth-child(1) strong { animation-delay: 1s; }
.hero-stat:nth-child(2) strong { animation-delay: 1.1s; }
.hero-stat:nth-child(3) strong { animation-delay: 1.2s; }
@keyframes statPop {
  to { transform: scale(1); opacity: 1; }
}

/* ===== 3D Tilt 卡片 ===== */
.tilt-wrap {
  perspective: 800px;
  display: block;
  height: 100%;
}
.tilt-target {
  display: block;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.1s ease-out;
  will-change: transform;
}

/* 核心路径卡片流光边框 */
.service-card.tilt-target {
  border: 1px solid var(--border-light);
}
.service-card.tilt-target::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-lg) + 2px);
  background: linear-gradient(90deg, var(--fx-orange), var(--fx-gold), var(--fx-purple), var(--fx-teal), var(--fx-orange));
  background-size: 400% 100%;
  opacity: 0;
  z-index: -1;
  transition: opacity 0.3s;
  animation: cardBorderFlow 3s linear infinite paused;
}
.service-card.tilt-target:hover::before {
  opacity: 1;
  animation-play-state: running;
}
@keyframes cardBorderFlow {
  0% { background-position: 0% 50%; }
  100% { background-position: 400% 50%; }
}
.service-card.tilt-target:hover .service-icon {
  transform: scale(1.12) rotate(-5deg);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* 能力卡片 & 工具卡片 3D */
.capability-card.tilt-target,
.tool-card.tilt-target {
  transform-style: preserve-3d;
}

/* 工具卡片缩略图光泽 */
.tool-thumb {
  position: relative;
  overflow: hidden;
}
.tool-thumb::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
  transform: skewX(-20deg);
  transition: left 0.5s;
}
.tool-card.tilt-target:hover .tool-thumb::after {
  left: 140%;
}

/* ===== 数据统计栏呼吸光环 ===== */
.stat-number {
  position: relative;
  display: inline-block;
}
.stat-number::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60px;
  height: 60px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(234, 179, 8, 0.35) 0%, transparent 70%);
  animation: statGlow 2s ease-in-out infinite;
  z-index: -1;
  pointer-events: none;
}
@keyframes statGlow {
  0%, 100% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.6; }
  50% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
}

/* ===== 平台优势数字渐变 ===== */
.advantage-num {
  background: linear-gradient(135deg, #C2410C, #EAB308) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  color: transparent !important;
  -webkit-text-fill-color: transparent !important;
}

/* ===== CTA 按钮脉冲 ===== */
.cta-section .btn {
  position: relative;
  animation: ctaPulse 2s ease-in-out infinite;
}
@keyframes ctaPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(234, 89, 12, 0.45); }
  50% { box-shadow: 0 0 28px 8px rgba(234, 89, 12, 0.65); }
}

/* ===== 导航 active 光条 ===== */
.nav-links a.active {
  position: relative;
}
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--brand-orange);
  box-shadow: 0 0 8px var(--brand-orange), 0 0 18px var(--brand-orange);
  border-radius: 2px;
}

/* ===== 滚动 reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal.rev1 { transition-delay: 0s; }
.reveal.rev2 { transition-delay: 0.1s; }
.reveal.rev3 { transition-delay: 0.2s; }
.reveal.rev4 { transition-delay: 0.3s; }

/* ===== 无障碍：减少动画 ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}