/* ==========================================
   上海合胜计算机科技股份有限公司 - 页面专属动画
   ========================================== */

/* --- Glowing orbs --- */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: orbPulse 8s ease-in-out infinite;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: rgba(10, 110, 255, 0.15);
  top: -100px;
  right: -100px;
}

.orb-2 {
  width: 300px;
  height: 300px;
  background: rgba(108, 92, 231, 0.12);
  bottom: -50px;
  left: -50px;
  animation-delay: 3s;
}

.orb-3 {
  width: 250px;
  height: 250px;
  background: rgba(0, 212, 170, 0.1);
  top: 50%;
  left: 50%;
  animation-delay: 5s;
}

@keyframes orbPulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 1; }
}

/* --- Typing cursor --- */
.typing-cursor {
  display: inline-block;
  width: 3px;
  height: 1em;
  background: var(--secondary);
  margin-left: 4px;
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* --- Scroll indicator --- */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 0.8rem;
  animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-indicator .mouse {
  width: 24px;
  height: 36px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 12px;
  position: relative;
}

.scroll-indicator .mouse::before {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: rgba(255,255,255,0.5);
  border-radius: 2px;
  animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

@keyframes scrollDot {
  0%, 100% { opacity: 1; top: 6px; }
  50% { opacity: 0.3; top: 16px; }
}

/* --- Feature hover effect --- */
.feature-card {
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.4s ease;
  transform-origin: left;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

/* --- Number counter --- */
.counter {
  font-variant-numeric: tabular-nums;
}

/* --- Product card 3D hover --- */
.product-card {
  perspective: 1000px;
}

.product-card-inner {
  transition: transform 0.4s ease;
}

.product-card:hover .product-card-inner {
  transform: translateY(-8px);
}

/* --- Timeline line animation --- */
.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--accent));
  transform: translateX(-50%);
}

.timeline-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 3px var(--primary);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

/* --- Contact form focus --- */
.form-group {
  position: relative;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
  background: var(--white);
  color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(10, 110, 255, 0.1);
}

.form-group label {
  position: absolute;
  left: 18px;
  top: 14px;
  color: var(--gray-400);
  font-size: 1rem;
  transition: var(--transition);
  pointer-events: none;
  background: var(--white);
  padding: 0 4px;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
  top: -8px;
  left: 14px;
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 500;
}

/* --- Gradient text --- */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Marquee --- */
.marquee-track {
  display: flex;
  animation: marquee 30s linear infinite;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- Pulse ring --- */
.pulse-ring {
  position: relative;
}

.pulse-ring::before,
.pulse-ring::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  animation: pulseRing 2s ease-out infinite;
}

.pulse-ring::after {
  animation-delay: 1s;
}

@keyframes pulseRing {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.5); opacity: 0; }
}