.loading {
  display: flex;
  width: 100%;
  height: 100%;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  background-color: #f4f7f9
}

.loading .loading-wrap {
  position: absolute;
  top: 50%;
  left: 50%;
  display: flex;
  -webkit-transform: translate3d(-50%, -50%, 0);
  transform: translate3d(-50%, -50%, 0);
  justify-content: center;
  align-items: center;
  flex-direction: column
}

.loading .dots {
  display: flex;
  padding: 98px;
  justify-content: center;
  align-items: center
}

.loading .loading-title {
  display: flex;
  font-weight: bold;
  margin-top: 30px;
  font-size: 36px;
  color: rgba(0, 0, 0, .85);
  justify-content: center;
  align-items: center
}


.dot {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 48px;
  margin-top: 30px;
  font-size: 32px;
  transform: rotate(45deg);
  box-sizing: border-box;
  animation: antRotate 1.2s infinite linear
}

.dot i {
  position: absolute;
  display: block;
  width: 20px;
  height: 20px;
  background-color: #0065cc;
  border-radius: 100%;
  opacity: .3;
  transform: scale(.75);
  animation: antSpinMove 1s infinite linear alternate;
  transform-origin: 50% 50%
}

.dot i:nth-child(1) {
  top: 0;
  left: 0
}

.dot i:nth-child(2) {
  top: 0;
  right: 0;
  -webkit-animation-delay: .4s;
  animation-delay: .4s
}

.dot i:nth-child(3) {
  right: 0;
  bottom: 0;
  -webkit-animation-delay: .8s;
  animation-delay: .8s
}

.dot i:nth-child(4) {
  bottom: 0;
  left: 0;
  -webkit-animation-delay: 1.2s;
  animation-delay: 1.2s
}

@keyframes antRotate {
  to {
    -webkit-transform: rotate(405deg);
    transform: rotate(405deg)
  }
}

@-webkit-keyframes antRotate {
  to {
    -webkit-transform: rotate(405deg);
    transform: rotate(405deg)
  }
}

@keyframes antSpinMove {
  to {
    opacity: 1
  }
}

@-webkit-keyframes antSpinMove {
  to {
    opacity: 1
  }
}

/* ===================== 大屏 Loading 加载样式 ===================== */

/* 主容器 */
#loader-wrapper,
.loading-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 99999;
  background: linear-gradient(135deg, #0a0e17 0%, #151d2e 50%, #0d1320 100%);
  overflow: hidden;
}

.loading-wrapper {
  position: absolute;
  z-index: 1;
}

/* 背景粒子 */
#loader-wrapper .particles,
.loading-wrapper .particles {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

#loader-wrapper .particle,
.loading-wrapper .particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: #00d4ff;
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 8s infinite;
}

#loader-wrapper .particle:nth-child(odd),
.loading-wrapper .particle:nth-child(odd) {
  background: #0099ff;
}

#loader-wrapper .particle:nth-child(3n),
.loading-wrapper .particle:nth-child(3n) {
  background: #00ffcc;
}

#loader-wrapper .particle:nth-child(1),
.loading-wrapper .particle:nth-child(1) { left: 10%; animation-delay: 0s; }
#loader-wrapper .particle:nth-child(2),
.loading-wrapper .particle:nth-child(2) { left: 20%; animation-delay: 0.5s; }
#loader-wrapper .particle:nth-child(3),
.loading-wrapper .particle:nth-child(3) { left: 30%; animation-delay: 1s; }
#loader-wrapper .particle:nth-child(4),
.loading-wrapper .particle:nth-child(4) { left: 40%; animation-delay: 1.5s; }
#loader-wrapper .particle:nth-child(5),
.loading-wrapper .particle:nth-child(5) { left: 50%; animation-delay: 2s; }
#loader-wrapper .particle:nth-child(6),
.loading-wrapper .particle:nth-child(6) { left: 60%; animation-delay: 2.5s; }
#loader-wrapper .particle:nth-child(7),
.loading-wrapper .particle:nth-child(7) { left: 70%; animation-delay: 3s; }
#loader-wrapper .particle:nth-child(8),
.loading-wrapper .particle:nth-child(8) { left: 80%; animation-delay: 3.5s; }
#loader-wrapper .particle:nth-child(9),
.loading-wrapper .particle:nth-child(9) { left: 90%; animation-delay: 4s; }
#loader-wrapper .particle:nth-child(10),
.loading-wrapper .particle:nth-child(10) { left: 15%; animation-delay: 0.3s; }
#loader-wrapper .particle:nth-child(11),
.loading-wrapper .particle:nth-child(11) { left: 25%; animation-delay: 0.8s; }
#loader-wrapper .particle:nth-child(12),
.loading-wrapper .particle:nth-child(12) { left: 35%; animation-delay: 1.3s; }
#loader-wrapper .particle:nth-child(13),
.loading-wrapper .particle:nth-child(13) { left: 45%; animation-delay: 1.8s; }
#loader-wrapper .particle:nth-child(14),
.loading-wrapper .particle:nth-child(14) { left: 55%; animation-delay: 2.3s; }
#loader-wrapper .particle:nth-child(15),
.loading-wrapper .particle:nth-child(15) { left: 65%; animation-delay: 2.8s; }
#loader-wrapper .particle:nth-child(16),
.loading-wrapper .particle:nth-child(16) { left: 75%; animation-delay: 3.3s; }
#loader-wrapper .particle:nth-child(17),
.loading-wrapper .particle:nth-child(17) { left: 85%; animation-delay: 3.8s; }
#loader-wrapper .particle:nth-child(18),
.loading-wrapper .particle:nth-child(18) { left: 95%; animation-delay: 4.3s; }
#loader-wrapper .particle:nth-child(19),
.loading-wrapper .particle:nth-child(19) { left: 5%; animation-delay: 0.6s; }
#loader-wrapper .particle:nth-child(20),
.loading-wrapper .particle:nth-child(20) { left: 12%; animation-delay: 1.1s; }

@keyframes particleFloat {
  0% {
    transform: translateY(100vh) scale(0);
    opacity: 0;
  }
  10% {
    opacity: 0.8;
  }
  90% {
    opacity: 0.8;
  }
  100% {
    transform: translateY(-100vh) scale(1);
    opacity: 0;
  }
}

/* 主内容区 */
#loader-wrapper .loading-content,
.loading-wrapper .loading-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 10;
}

/* 科技感圆环 */
#loader-wrapper .tech-rings,
.loading-wrapper .tech-rings {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
}

#loader-wrapper .ring,
.loading-wrapper .ring {
  position: absolute;
  border: 2px solid transparent;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

#loader-wrapper .ring-1,
.loading-wrapper .ring-1 {
  width: 280px;
  height: 280px;
  border-top-color: #00d4ff;
  border-right-color: #00d4ff;
  animation: ringRotate 3s linear infinite;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.3), inset 0 0 20px rgba(0, 212, 255, 0.1);
}

#loader-wrapper .ring-2,
.loading-wrapper .ring-2 {
  width: 240px;
  height: 240px;
  border-bottom-color: #0099ff;
  border-left-color: #0099ff;
  animation: ringRotateReverse 2.5s linear infinite;
  box-shadow: 0 0 15px rgba(0, 153, 255, 0.3), inset 0 0 15px rgba(0, 153, 255, 0.1);
}

#loader-wrapper .ring-3,
.loading-wrapper .ring-3 {
  width: 200px;
  height: 200px;
  border-top-color: #00ffcc;
  border-right-color: #00ffcc;
  animation: ringRotate 2s linear infinite;
  box-shadow: 0 0 10px rgba(0, 255, 204, 0.3), inset 0 0 10px rgba(0, 255, 204, 0.1);
}

@keyframes ringRotate {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes ringRotateReverse {
  from {
    transform: translate(-50%, -50%) rotate(360deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(0deg);
  }
}

/* Logo 区域 */
#loader-wrapper .logo-container,
.loading-wrapper .logo-container {
  position: relative;
  z-index: 20;
}

#loader-wrapper .logo-text,
.loading-wrapper .logo-text {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  margin-bottom: 10px;
}

#loader-wrapper .logo-main,
.loading-wrapper .logo-main {
  font-size: 48px;
  font-weight: 700;
  background: linear-gradient(135deg, #00d4ff 0%, #0099ff 50%, #00ffcc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 4px;
  animation: logoGlow 2s ease-in-out infinite;
}

#loader-wrapper .logo-sub,
.loading-wrapper .logo-sub {
  font-size: 48px;
  font-weight: 300;
  color: #ffffff;
  opacity: 0.9;
  letter-spacing: 4px;
}

@keyframes logoGlow {
  0%, 100% {
    filter: brightness(1);
  }
  50% {
    filter: brightness(1.2);
  }
}

#loader-wrapper .logo-line,
.loading-wrapper .logo-line {
  width: 200px;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, #00d4ff 50%, transparent 100%);
  margin: 15px auto;
  animation: lineExpand 2s ease-in-out infinite;
}

@keyframes lineExpand {
  0%, 100% {
    width: 150px;
    opacity: 0.5;
  }
  50% {
    width: 200px;
    opacity: 1;
  }
}

#loader-wrapper .logo-desc,
.loading-wrapper .logo-desc {
  font-size: 16px;
  color: #8892a4;
  letter-spacing: 8px;
  margin-top: 10px;
}

/* 进度条 */
#loader-wrapper .progress-container,
.loading-wrapper .progress-container {
  margin-top: 60px;
  position: relative;
  z-index: 20;
}

#loader-wrapper .progress-bar,
.loading-wrapper .progress-bar {
  width: 300px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  margin: 0 auto;
  overflow: hidden;
  position: relative;
}

#loader-wrapper .progress-fill,
.loading-wrapper .progress-fill {
  height: 100%;
  width: 30%;
  background: linear-gradient(90deg, #00d4ff, #0099ff, #00ffcc);
  border-radius: 2px;
  animation: progressMove 2s ease-in-out infinite;
}

#loader-wrapper .progress-glow,
.loading-wrapper .progress-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.5), transparent);
  animation: progressGlow 2s ease-in-out infinite;
}

@keyframes progressMove {
  0% {
    width: 0%;
    margin-left: 0%;
  }
  50% {
    width: 50%;
    margin-left: 25%;
  }
  100% {
    width: 0%;
    margin-left: 100%;
  }
}

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

#loader-wrapper .progress-text,
.loading-wrapper .progress-text {
  margin-top: 20px;
  font-size: 14px;
  color: #00d4ff;
  letter-spacing: 2px;
  animation: textBlink 1.5s ease-in-out infinite;
}

@keyframes textBlink {
  0%, 100% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
}

/* 数据流动效果 */
#loader-wrapper .data-flow,
.loading-wrapper .data-flow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 400px;
  pointer-events: none;
}

#loader-wrapper .flow-line,
.loading-wrapper .flow-line {
  position: absolute;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(0, 212, 255, 0.3) 50%, transparent 100%);
  top: 50%;
  animation: flowPulse 3s ease-in-out infinite;
}

#loader-wrapper .flow-line:nth-child(1),
.loading-wrapper .flow-line:nth-child(1) { transform: rotate(0deg); animation-delay: 0s; }
#loader-wrapper .flow-line:nth-child(2),
.loading-wrapper .flow-line:nth-child(2) { transform: rotate(36deg); animation-delay: 0.3s; }
#loader-wrapper .flow-line:nth-child(3),
.loading-wrapper .flow-line:nth-child(3) { transform: rotate(72deg); animation-delay: 0.6s; }
#loader-wrapper .flow-line:nth-child(4),
.loading-wrapper .flow-line:nth-child(4) { transform: rotate(108deg); animation-delay: 0.9s; }
#loader-wrapper .flow-line:nth-child(5),
.loading-wrapper .flow-line:nth-child(5) { transform: rotate(144deg); animation-delay: 1.2s; }

@keyframes flowPulse {
  0%, 100% {
    opacity: 0.2;
  }
  50% {
    opacity: 0.6;
  }
}

/* 角落装饰 */
#loader-wrapper .corner,
.loading-wrapper .corner {
  position: absolute;
  width: 80px;
  height: 80px;
  border: 2px solid transparent;
}

#loader-wrapper .corner-tl,
.loading-wrapper .corner-tl {
  top: 30px;
  left: 30px;
  border-top-color: rgba(0, 212, 255, 0.5);
  border-left-color: rgba(0, 212, 255, 0.5);
  animation: cornerPulse 2s ease-in-out infinite;
}

#loader-wrapper .corner-tr,
.loading-wrapper .corner-tr {
  top: 30px;
  right: 30px;
  border-top-color: rgba(0, 153, 255, 0.5);
  border-right-color: rgba(0, 153, 255, 0.5);
  animation: cornerPulse 2s ease-in-out infinite 0.5s;
}

#loader-wrapper .corner-bl,
.loading-wrapper .corner-bl {
  bottom: 30px;
  left: 30px;
  border-bottom-color: rgba(0, 255, 204, 0.5);
  border-left-color: rgba(0, 255, 204, 0.5);
  animation: cornerPulse 2s ease-in-out infinite 1s;
}

#loader-wrapper .corner-br,
.loading-wrapper .corner-br {
  bottom: 30px;
  right: 30px;
  border-bottom-color: rgba(0, 212, 255, 0.5);
  border-right-color: rgba(0, 212, 255, 0.5);
  animation: cornerPulse 2s ease-in-out infinite 1.5s;
}

@keyframes cornerPulse {
  0%, 100% {
    opacity: 0.3;
  }
  50% {
    opacity: 1;
  }
}