/* =========================================
   医护邦官网 - 动画样式
   ========================================= */

/* ===== 粒子背景 ===== */
.particle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  animation: particleFloat linear infinite;
}

@keyframes particleFloat {
  0% {
    opacity: 0;
    transform: translateY(100vh) rotate(0deg);
  }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% {
    opacity: 0;
    transform: translateY(-100px) rotate(360deg);
  }
}

/* ===== 数字滚动 ===== */
@keyframes countUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== 卡片入场 ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal:nth-child(1) { transition-delay: 0s; }
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal:nth-child(5) { transition-delay: 0.4s; }
.reveal:nth-child(6) { transition-delay: 0.5s; }

/* ===== 光线扫过 ===== */
.shine-effect {
  position: relative;
  overflow: hidden;
}

.shine-effect::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -75%;
  width: 50%;
  height: 200%;
  background: linear-gradient(
    to right,
    transparent 0%,
    rgba(255,255,255,0.06) 50%,
    transparent 100%
  );
  transform: skewX(-20deg);
  animation: shineSweep 4s ease-in-out infinite;
}

@keyframes shineSweep {
  0%, 40% { left: -75%; }
  60%, 100% { left: 125%; }
}

/* ===== 呼吸动效 ===== */
@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.03); opacity: 1; }
}

.breathe { animation: breathe 3s ease-in-out infinite; }

/* ===== 文字打字效果 ===== */
@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink {
  0%, 100% { border-right-color: transparent; }
  50% { border-right-color: var(--primary-light); }
}

/* ===== 边框动画 ===== */
@keyframes borderGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(22,93,255,0); }
  50% { box-shadow: 0 0 20px 2px rgba(22,93,255,0.3); }
}

/* ===== 旋转渐变 ===== */
@keyframes rotateBg {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ===== 按钮涟漪 ===== */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  transform: scale(0);
  animation: rippleEffect 0.6s linear;
  pointer-events: none;
}

@keyframes rippleEffect {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ===== 标题渐显 ===== */
.hero-title .title-line {
  opacity: 0;
  animation: slideInTitle 0.8s ease both;
}

.hero-title .title-line:nth-child(1) { animation-delay: 0.3s; }
.hero-title .title-line:nth-child(2) { animation-delay: 0.5s; }

@keyframes slideInTitle {
  from {
    opacity: 0;
    transform: translateY(30px) skewY(2deg);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0) skewY(0);
    filter: blur(0);
  }
}

/* ===== 图标旋转悬浮 ===== */
.adv-icon svg,
.feature-icon svg {
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.adv-card:hover .adv-icon svg,
.feature-card:hover .feature-icon svg {
  transform: rotate(5deg) scale(1.1);
}

/* ===== 渐变文字动画 ===== */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.animated-gradient-text {
  background: linear-gradient(90deg, #165DFF, #40A9FF, #00D4FF, #40A9FF, #165DFF);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 4s linear infinite;
}

/* ===== 加载动画 ===== */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg-dark);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hide {
  opacity: 0;
  visibility: hidden;
}

.loader-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.loader-logo-img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  animation: loaderPulse 2s ease-in-out infinite;
}

@keyframes loaderPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
}

.loader-text {
  font-size: 28px;
  font-weight: 700;
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 2px;
}

.loader-bar {
  width: 200px;
  height: 2px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
}

.loader-fill {
  height: 100%;
  background: var(--gradient-blue);
  border-radius: 2px;
  animation: loaderProgress 1.2s ease-out forwards;
}

@keyframes loaderProgress {
  from { width: 0; }
  to { width: 100%; }
}

/* ===== 返回顶部按钮 ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--gradient-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
  z-index: 100;
  box-shadow: var(--shadow-btn);
  border: none;
  color: white;
  font-size: 18px;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(22,93,255,0.5);
}

/* ===== 悬浮客服按钮 ===== */
.floating-contact {
  position: fixed;
  right: 32px;
  bottom: 96px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 100;
}

.float-btn {
  width: 48px;
  height: 48px;
  background: rgba(6, 12, 30, 0.9);
  border: 1px solid rgba(22,93,255,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 20px;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  position: relative;
}

.float-btn:hover {
  background: var(--gradient-blue);
  border-color: transparent;
  transform: scale(1.1);
  box-shadow: var(--shadow-btn);
}

.float-tooltip {
  position: absolute;
  right: 56px;
  background: rgba(6, 12, 30, 0.95);
  border: 1px solid rgba(22,93,255,0.3);
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 13px;
  white-space: nowrap;
  color: white;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s ease;
}

.float-tooltip::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -6px;
  transform: translateY(-50%);
  width: 6px;
  height: 10px;
  background: rgba(6, 12, 30, 0.95);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.float-btn:hover .float-tooltip {
  opacity: 1;
  pointer-events: all;
}

.float-tooltip-img {
  padding: 0;
  border: none;
  background: transparent;
  width: 200px;
}

.float-tooltip-img img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.float-tooltip-img::after {
  display: none;
}