/* 加载动画 */
#loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 1;
  transition: opacity 0.5s ease;
}

#loading-screen.hide {
  opacity: 0;
  pointer-events: none;
}

.loading-container {
  text-align: center;
  color: white;
}

.loading-logo img {
  width: 80px;
  height: 80px;
  border-radius: 16px;
  margin-bottom: 30px;
  animation: pulse 2s infinite;
}

.loading-spinner {
  margin: 20px 0;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top: 3px solid white;
  border-radius: 50%;
  margin: 0 auto;
  animation: spin 1s linear infinite;
}

.loading-text {
  font-size: 16px;
  margin-top: 20px;
  opacity: 0.9;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.1);
  }
}

/* 返回顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: bold;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
  transition: all 0.3s ease;
  z-index: 1000;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.back-to-top.show {
  display: flex;
  animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 全局样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
}

html {
  scroll-behavior: auto;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

/* 头部导航 */
.header {
  background: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 26px;
  width: auto;
  border-radius: 8px;
}

.nav-menu ul {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-menu a {
  text-decoration: none;
  color: #666;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-menu a:hover {
  color: #2c5aa0;
}

.login-btn {
  display: flex;
  align-items: center;
}

.btn-primary {
  margin-left: 34px;
  width: 110px;
  height: 37px;
  font-size: 16px;
  background-color: #1e80ff;
  color: #fff;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: #333;
  transition: 0.3s;
}

/* 主横幅区域 */
.hero-section {
  background: url('../images/bg-1.jpg') center/cover no-repeat;
  height: 530px;
  margin-top: 60px;
  padding: 57px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin: 0 auto;
  position: relative;
  z-index: 2;
  /* 取消滑动动画 */
  animation: none !important;
}

@media (max-width: 900px) {
  .hero-content {
    max-width: 100%;
    gap: 40px;
  }
}

.hero-left {
  padding-top: 35px;
  color: #231815;
}

.date-info h1 {
  font-size: 34px;
  font-weight: 700;
  margin-bottom: 8px;
}

.date-info p {
  font-size: 34px;
  line-height: 34px;
  font-weight: 700;
  opacity: 0.9;
  margin-top: 30px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.15);
  padding: 16px;
  border-radius: 12px;
  backdrop-filter: blur(10px);
}

.stat-icon {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.stat-icon.green {
  background: #4CAF50;
}

.stat-icon.orange {
  background: #FF9800;
}

.stat-icon.red {
  background: #F44336;
}

.stat-icon.blue {
  background: #2196F3;
}

.stat-icon.yellow {
  background: #FFEB3B;
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 14px;
  opacity: 0.8;
}

.stat-value {
  font-size: 16px;
  font-weight: 600;
}

/* 新的hero样式 - 平台统计 */
.platform-stats {
  margin-top: 28px;
  display: flex;
  flex-direction: row;
  gap: 20px;
  justify-content: flex-start;
  align-items: stretch;
}

.platform-item {
  flex: 1 1 0;
  min-width: 0;
  position: relative;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 111px;
  height: 76px;
  gap: 16px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.platform-info {
  display: flex;
  flex-direction: column;
}

.platform-item.wechat {
  background-color: #f1fff1;
  box-shadow: 0px 2px 16px 2px rgba(185, 255, 184, 0.31);
  color: #09bb07;
}

.platform-item.weibo {
  background-color: #fef4ea;
  box-shadow: 0px 2px 16px 2px rgba(185, 255, 184, 0.31);
  color: #ff8d06;
}

.platform-item.toutiao {
  background-color: #fdeaea;
  box-shadow: 0px 2px 16px 2px rgba(185, 255, 184, 0.31);
  color: #fa2727;
}

.platform-item.douyin {
  background-color: #faf0ff;
  box-shadow: 0px 2px 16px 2px rgba(185, 255, 184, 0.31);
  color: #7909ad;
}

.platform-item.kuaishou {
  background-color: #fef4ea;
  box-shadow: 0px 2px 16px 2px rgba(185, 255, 184, 0.31);
  color: #fe8007;
}

.platform-count {
  font-weight: bold;
  text-align: center;
}

.platform-name {
  color: #231815;
  font-size: 18px;
  font-weight: bold;
  white-space: nowrap;
  display: flex;
  align-items: center;
}

.platform-name img {
  width: 21px;
  margin-right: 5px;
}

.platform-item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 20%;
  right: -11%;
  width: 2px;
  height: 60%;
  background: #fff;
  border-radius: 2px;
}

@media (max-width: 900px) {
  .platform-stats {
    flex-direction: column;
    gap: 20px;
  }

  .platform-item:not(:last-child)::after {
    top: auto;
    bottom: -10px;
    left: 20px;
    right: 20px;
    width: auto;
    height: 2px;
    background: #fff;
    opacity: 0.5;
    border-radius: 2px;
  }
}

/* 地球动画区域 */
.globe-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 400px;
}

.globe-wrapper {
  position: relative;
  width: 300px;
  height: 300px;
}

.earth-globe {
  position: relative;
  width: 400px;
  height: 400px;
  margin: 0 auto;
}

.globe-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, #1E3A8A, #3B82F6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 0 30px rgba(59, 130, 246, 0.4),
    inset 0 0 30px rgba(0, 0, 0, 0.2);
  animation: globe-pulse 3s ease-in-out infinite;
}

.earth-sphere {
  font-size: 60px;
  animation: rotate 20s linear infinite;
}

@keyframes globe-pulse {

  0%,
  100% {
    box-shadow:
      0 0 30px rgba(59, 130, 246, 0.4),
      inset 0 0 30px rgba(0, 0, 0, 0.2);
  }

  50% {
    box-shadow:
      0 0 50px rgba(59, 130, 246, 0.6),
      inset 0 0 30px rgba(0, 0, 0, 0.2);
  }
}

/* 轨道环 */
.orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.outer-ring {
  width: 350px;
  height: 350px;
  transform: translate(-50%, -50%);
  animation: orbit-rotate 30s linear infinite;
}

.middle-ring {
  width: 250px;
  height: 250px;
  transform: translate(-50%, -50%);
  animation: orbit-rotate 20s linear infinite reverse;
}

.inner-ring {
  width: 180px;
  height: 180px;
  transform: translate(-50%, -50%);
  animation: orbit-rotate 15s linear infinite;
}

/* 浮动图标 */
.floating-icon {
  position: absolute;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  animation: float 3s ease-in-out infinite;
}

.floating-icon:nth-child(1) {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  animation-delay: 0s;
}

.floating-icon:nth-child(2) {
  top: 15%;
  right: 15%;
  animation-delay: -0.5s;
}

.floating-icon:nth-child(3) {
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  animation-delay: -1s;
}

.floating-icon:nth-child(4) {
  bottom: 15%;
  right: 15%;
  animation-delay: -1.5s;
}

.floating-icon:nth-child(5) {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  animation-delay: -2s;
}

.floating-icon:nth-child(6) {
  bottom: 15%;
  left: 15%;
  animation-delay: -2.5s;
}

.floating-icon:nth-child(7) {
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  animation-delay: -3s;
}

.floating-icon:nth-child(8) {
  top: 15%;
  left: 15%;
  animation-delay: -3.5s;
}

/* 轨道点 */
.orbit-dot {
  position: absolute;
  width: 6px;
  height: 6px;
  background: #7da7d9;
  border-radius: 50%;
  animation: float 2s ease-in-out infinite;
}

.middle-ring .orbit-dot:nth-child(1) {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

.middle-ring .orbit-dot:nth-child(2) {
  top: 50%;
  right: 0;
  transform: translateY(-50%);
}

.middle-ring .orbit-dot:nth-child(3) {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}

.middle-ring .orbit-dot:nth-child(4) {
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}

.middle-ring .orbit-dot:nth-child(5) {
  top: 25%;
  right: 25%;
}

.middle-ring .orbit-dot:nth-child(6) {
  bottom: 25%;
  left: 25%;
}

.inner-ring .orbit-dot:nth-child(1) {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

.inner-ring .orbit-dot:nth-child(2) {
  top: 50%;
  right: 0;
  transform: translateY(-50%);
}

.inner-ring .orbit-dot:nth-child(3) {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}

.inner-ring .orbit-dot:nth-child(4) {
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}

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

  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-10px);
  }
}

/* 介绍区域 */
.intro-section {
  padding: 45px 0;
}

.section-title {
  text-align: center;
  font-size: 34px;
  font-weight: 700;
  color: #231815;
  margin-bottom: 30px;
}

.intro-question {
  margin-top: 55px;
  text-align: center;
  margin-bottom: 15px;
}

.intro-question p {
  background: rgba(44, 90, 160, 0.1);
  color: #2c5aa0;
  padding: 12px 30px;
  border-radius: 25px;
  display: inline-block;
  font-weight: 500;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.feature-item {
  display: flex;
  align-items: center;
  text-align: center;
  background: white;
  padding: 30px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-item-text {
  margin-left: 10px;
  text-align: left;
}

.feature-item h3 {
  margin-bottom: 8px;
  font-size: 24px;
  line-height: 26px;
  background: linear-gradient(to bottom, #36c7f4, #2088fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.feature-item p {
  color: #221815;
  line-height: 1.6;
  font-weight: 700;
}

.feature-icon {
  display: flex;
  align-items: center;
}

/* 平台功能 */
.platform-section {
  padding: 45px 0;
  background: white;
}

.platform-tabs {
  margin: 0 auto;
}

.tab-content {
  padding: 30px 30px 20px 75px;
  box-shadow: -5px 3px 24px 1px rgba(211, 211, 211, 0.44);
  border-radius: 50px;
  background: url(../images/platform-bg.png) no-repeat center center;
}

.panel-left {
  margin-top: -100px;
}

.tab-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.tab-btn {
  width: 176px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border-radius: 25px;
  font-size: 20px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
  color: #221815;
  font-weight: bold;
}

.tab-btn.active,
.tab-btn:hover {
  background: url(../images/tab-bg.jpg);
  color: #1e80ff;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.tab-content {}

.panel-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.panel-left h3 {
  font-size: 28px;
  margin-bottom: 20px;
  color: #333;
}

.panel-left p {
  color: #666;
  font-size: 16px;
  line-height: 1.6;
}

.stat-card {
  text-align: center;
  padding: 20px;
  background: #f8f9fa;
  border-radius: 8px;
}

.stat-number {
  font-size: 24px;
  font-weight: 700;
  color: #2c5aa0;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: #666;
}

.chart-area {
  padding: 20px;
  background: #f8f9fa;
}

#dataChart {
  width: 100%;
  height: 150px;
}

/* 产品优势 */
.advantages-section {
  padding: 45px 0;
}

.section-subtitle {
  text-align: center;
  color: #8f8f8f;
  margin-bottom: 60px;
  font-size: 16px;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
}

.advantage-item {
  text-align: center;
  background: white;
  padding: 40px 30px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s;
}

.advantage-item:hover {
  transform: translateY(-10px);
}

.advantage-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.advantage-icon i {
  font-size: 32px;
  color: white;
}

.advantage-item h3 {
  font-size: 20px;
  margin-bottom: 12px;
  color: #333;
}

.advantage-item p {
  color: #666;
  font-size: 14px;
}

/* 合作伙伴 */
.partners-section {
  padding: 45px 0;
  padding-bottom: 113px;
  background: url('../images/bg-3.jpg') center/cover no-repeat;
  background-size: 100% 100%;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin: 0 auto;
}

.partner-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  border-radius: 12px;
  transition: transform 0.3s;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  background: #fff;
}

.partner-item:hover {
  transform: scale(1.05);
}

.partner-item img {
  border-radius: 8px;
  object-fit: cover;
}

.partner-item span {
  display: block;
  font-weight: 500;
  color: #333;
}

/* 立即开启 */
.cta-section {
  background: url('../images/bg-2.jpg') center/cover no-repeat;
  padding: 46px 0;
  text-align: center;
}

.cta-content {
  display: flex;
  justify-content: center;
}

.cta-content h2 {
  color: white;
  font-size: 36px;
}

.btn-cta {
  margin-left: 60px;
  color: #ffffff;
  border: none;
  padding: 16px 21px;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  background-color: #14cdd9;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-arrow {
  font-size: 22px;
  margin-left: 2px;
  display: flex;
  align-items: center;
  transition: transform 0.2s;
}

.btn-arrow img {
  height: 20px;
  margin-left: -10px;
}

/* 底部 */
.footer {
  background: #1c2731;
  color: white;
  padding: 27px 0;
  text-align: center;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-logo img {
  height: 32px;
  width: auto;
  border-radius: 8px;
}

.footer-info p {
  color: #7e7e7f;
  font-size: 14px;
}

/* 登录弹窗遮罩 */
.modal-mask {
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 弹窗主体 */
.login-modal {
  background: #fff;
  border-radius: 12px;
  width: 370px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
  padding: 32px 32px 80px 32px;
  position: relative;
  animation: fadeIn .2s;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.98);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-close {
  position: absolute;
  right: 18px;
  top: 18px;
  font-size: 22px;
  color: #aaa;
  cursor: pointer;
  transition: color .2s;
}

.modal-close:hover {
  color: #2088fe;
}

.modal-title {
  text-align: center;
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 24px;
}

.modal-tabs {
  display: flex;
  border-bottom: 1.5px solid #f0f0f0;
  margin-bottom: 18px;
}

.modal-tab {
  flex: 1;
  text-align: center;
  font-size: 15px;
  padding: 8px 0;
  cursor: pointer;
  color: #888;
  border-bottom: 2px solid transparent;
  transition: color .2s, border .2s;
}

.modal-tab.active {
  color: #2088fe;
  font-weight: 600;
  border-bottom: 2px solid #2088fe;
  background: none;
}

.modal-tab-content .modal-tab-panel {
  display: none;
}

.modal-tab-content .modal-tab-panel.active {
  display: block;
}

.form-group {
  display: flex;
  margin-bottom: 21px;
  position: relative;
  align-items: center;
}

.form-group label {
  flex: 0 0 60px;
  display: block;
  font-size: 14px;
  color: #333;
}

.form-group input {
  flex-shrink: 0;
  width: 100%;
  flex: 1;
  height: 38px;
  border: 1px solid #e5e6eb;
  border-radius: 6px;
  padding: 0 12px;
  font-size: 15px;
  background: #fafbfc;
  outline: none;
  transition: border .2s;
}

.form-group input:focus {
  border-color: #2088fe;
}

.get-code-btn {
  margin-left: 10px;
  flex: 0 0 100px;
  height: 38px;
  padding: 0 14px;
  border: none;
  border-radius: 6px;
  background: #e5e6eb;
  color: #888;
  font-size: 14px;
  cursor: pointer;
}

.get-code-btn.active,
.get-code-btn:focus {
  background: #d1e9ff;
  color: #2088fe;
}

.form-group.code-group input {
  /* max-width: 150px; */
}

.modal-links {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  margin-bottom: 18px;
}

.modal-links a {
  color: #2088fe;
  text-decoration: none;
  margin-left: 4px;
}

.modal-links .forgot-link {
  margin-left: auto;
}

.modal-login-btn {
  width: 100%;
  height: 40px;
  background: linear-gradient(90deg, #36c7f4 0%, #2088fe 100%);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
  cursor: pointer;
}

.modal-login-btn:hover {
  background: linear-gradient(90deg, #2088fe 0%, #36c7f4 100%);
}

.login {
  cursor: pointer;
}

.modal-tip {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: #b0b0b0;
  font-size: 13px;
  margin-top: 6px;
}

.code-btn.disabled,
.code-btn:disabled {
  background: #e5e6eb !important;
  color: #bbb !important;
  cursor: not-allowed !important;
}

@media (max-width: 500px) {
  .login-modal {
    width: 96vw;
    padding: 18px 6vw 10px 6vw;
  }
}

/* 申请试用弹窗 */
#trial-modal-mask {
  position: fixed;
  z-index: 10000;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
}

.trial-modal {
  background: #fff;
  border-radius: 12px;
  width: 400px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
  padding: 32px 32px 24px 32px;
  position: relative;
  animation: fadeIn .2s;
}

.trial-modal .modal-close {
  position: absolute;
  right: 18px;
  top: 18px;
  font-size: 22px;
  color: #aaa;
  cursor: pointer;
  transition: color .2s;
}

.trial-modal .modal-close:hover {
  color: #2088fe;
}

.trial-title {
  text-align: left;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.2;
}

.trial-title .blue {
  color: #2088fe;
}

.trial-subtitle {
  color: #222;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 45px;
}

.trial-form label {
  width: 70px;
  font-size: 15px;
  color: #333;
  margin-right: 12px;
  text-align: right;
  flex-shrink: 0;
}

.trial-form .required {
  color: #ff4d4f;
  margin-right: 2px;
}

.trial-form input {
  flex: 1;
  height: 38px;
  border: 1px solid #e5e6eb;
  border-radius: 6px;
  padding: 0 12px;
  font-size: 15px;
  background: #fafbfc;
  outline: none;
  transition: border .2s;
}

.trial-form input:focus {
  border-color: #2088fe;
}

.trial-form .code-group {
  display: flex;
  align-items: center;
}

.trial-form .code-group input {
  flex: none;
  width: 150px;
  margin-right: 10px;
}

.trial-form .get-code-btn {
  height: 38px;
  padding: 0 14px;
  border: none;
  border-radius: 6px;
  background: #e5e6eb;
  color: #888;
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
}

.trial-form .get-code-btn:active,
.trial-form .get-code-btn:focus {
  background: #d1e9ff;
  color: #2088fe;
}

.trial-submit-btn {
  width: 100%;
  height: 42px;
  background: linear-gradient(90deg, #36c7f4 0%, #2088fe 100%);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 700;
  margin-top: 18px;
  cursor: pointer;
  letter-spacing: 2px;
}

.trial-submit-btn:hover {
  background: linear-gradient(90deg, #2088fe 0%, #36c7f4 100%);
}

/* 新闻咨询 */
.news-section {
  margin: 28px 0 0 0;
}

.news-title {
  display: flex;
  align-items: center;
  font-size: 16px;
  font-weight: 700;
  color: #222;
  margin-bottom: 8px;
}

.news-title img {
  width: 20px;
  height: 20px;
  margin-right: 6px;
}

.news-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.news-list li {
  margin-bottom: 6px;
}

.news-link {
  display: flex;
  align-items: center;
  padding: 0 8px;
  border-radius: 6px;
  text-decoration: none;
  color: #222;
  font-size: 15px;
  height: 32px;
  line-height: 32px;
  overflow: hidden;
}

.news-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: #c1c1c1;
  border-radius: 50%;
  margin-right: 8px;
  flex-shrink: 0;
}

.news-text {
  display: inline-block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 285px;
  vertical-align: middle;
}

.news-link:hover .news-dot {
  background: #2088fe;
  /* 悬停变蓝 */
}

.news-link:hover {
  color: #2088fe;
}

@media (max-width: 500px) {
  .trial-modal {
    width: 96vw;
    padding: 18px 6vw 10px 6vw;
  }

  .trial-form label {
    width: 60px;
  }
}

.custom-toast {
  display: none;
  position: fixed;
  top: 32px;
  left: 50%;
  transform: translateX(-50%);
  min-width: 180px;
  max-width: 90vw;
  background: linear-gradient(90deg, #36c7f4 0%, #2088fe 100%);
  color: #fff;
  font-size: 16px;
  padding: 14px 32px;
  border-radius: 24px;
  box-shadow: 0 6px 24px rgba(32, 136, 254, 0.13);
  z-index: 10001;
  text-align: center;
  /* animation: fadeInDown .3s; */
  letter-spacing: 1px;
}

/* @keyframes fadeInDown {
  from { opacity: 0; transform: translate(-50%, -30px);}
  to   { opacity: 1; transform: translate(-50%, 0);}
} */

/* 响应式设计 - 移动端适配 */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .platform-stats {
    max-width: 400px;
    margin: 0 auto;
  }

  .earth-globe {
    width: 300px;
    height: 300px;
  }

  .outer-ring {
    width: 280px;
    height: 280px;
  }

  .middle-ring {
    width: 200px;
    height: 200px;
  }

  .inner-ring {
    width: 150px;
    height: 150px;
  }

  .date-info h2 {
    font-size: 36px;
  }

  .globe-wrapper {
    width: 250px;
    height: 250px;
  }

  .section-title {
    font-size: 24px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .panel-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .tab-buttons {
    gap: 10px;
  }

  .tab-btn {
    padding: 8px 16px;
    font-size: 14px;
  }

  .advantages-grid {
    grid-template-columns: 1fr;
  }

  .partners-grid {
    grid-template-columns: 1fr;
  }

  .cta-content h2 {
    font-size: 28px;
  }

  .footer-content {
    text-align: center;
  }

  .container {
    padding: 0 15px;
  }
}

@media (max-width: 480px) {
  .hero-section {
    padding: 100px 0 60px;
  }

  .date-info h2 {
    font-size: 28px;
  }

  .globe-wrapper {
    width: 200px;
    height: 200px;
  }

  .globe-center {
    width: 100px;
    height: 100px;
  }

  .earth-icon {
    width: 60px;
    height: 60px;
  }

  .orbit-icon {
    width: 30px;
    height: 30px;
  }

  .orbit-icon::before {
    width: 15px;
    height: 15px;
  }

  .section-title {
    font-size: 20px;
  }

  .feature-item,
  .advantage-item {
    padding: 30px 20px;
  }

  .dashboard-stats {
    grid-template-columns: 1fr;
  }

  .partners-grid {
    grid-template-columns: 1fr;
  }

  .cta-content h2 {
    font-size: 24px;
  }

  .btn-cta {
    padding: 12px 30px;
    font-size: 16px;
  }
}

/* 移动端触摸优化 */
@media (max-width: 768px) {

  /* 增加触摸区域 */
  .tab-btn {
    min-height: 44px;
    min-width: 60px;
  }

  .btn-primary,
  .btn-cta {
    min-height: 44px;
    padding: 12px 24px;
  }

  /* 移动端导航菜单 */
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 0 0 16px 16px;
    padding: 20px;
    display: none;
  }

  .nav-menu ul {
    flex-direction: column;
    gap: 16px;
  }

  .nav-menu a {
    padding: 12px 16px;
    border-radius: 8px;
    display: block;
    text-align: center;
    background: #f8f9fa;
    transition: all 0.3s;
  }

  .nav-menu a:hover {
    background: #2c5aa0;
    color: white;
  }

  /* 移动端菜单按钮动画 */
  .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  /* 移动端统计项目优化 */
  .stat-item {
    padding: 20px;
    margin-bottom: 12px;
  }

  .stat-value {
    font-size: 18px;
  }

  /* 移动端地球动画优化 */
  .orbit-icon {
    width: 32px;
    height: 32px;
  }

  .orbit-icon::before {
    width: 16px;
    height: 16px;
  }

  /* 移动端表单优化 */
  .search-bar input {
    font-size: 16px;
    /* 防止iOS缩放 */
  }

  /* 移动端卡片间距 */
  .feature-item,
  .advantage-item {
    margin-bottom: 20px;
  }

  /* 移动端合作伙伴图片 */
  .partner-item img {
    width: 60px;
    height: 60px;
  }
}

/* 超小屏幕优化 */
@media (max-width: 375px) {
  .hero-section {
    padding: 90px 0 50px;
  }

  .date-info h2 {
    font-size: 24px;
  }

  .stats-grid {
    gap: 12px;
  }

  .stat-item {
    padding: 16px 12px;
  }

  .stat-value {
    font-size: 16px;
  }

  .stat-label {
    font-size: 12px;
  }

  .section-title {
    font-size: 18px;
    padding: 0 10px;
  }

  .intro-question p {
    padding: 8px 20px;
    font-size: 14px;
  }

  .feature-item,
  .advantage-item {
    padding: 24px 16px;
  }

  .feature-icon,
  .advantage-icon {
    width: 60px;
    height: 60px;
  }

  .feature-icon i,
  .advantage-icon i {
    font-size: 24px;
  }

  .cta-content h2 {
    font-size: 20px;
    padding: 0 10px;
  }

  .btn-cta {
    padding: 10px 24px;
    font-size: 14px;
  }

  .dashboard-preview {
    margin: 0 -15px;
  }

  .tab-btn {
    padding: 6px 12px;
    font-size: 12px;
  }
}

/* 横向滚动优化 */
@media (max-width: 768px) and (orientation: landscape) {
  .hero-section {
    padding: 80px 0 40px;
    min-height: auto;
  }

  .globe-wrapper {
    width: 180px;
    height: 180px;
  }

  .globe-center {
    width: 80px;
    height: 80px;
  }
}

/* iOS Safari 特殊处理 */
@supports (-webkit-touch-callout: none) {

  .btn-primary,
  .btn-cta,
  .tab-btn {
    -webkit-appearance: none;
    appearance: none;
    border-radius: 25px;
  }

  input {
    -webkit-appearance: none;
    appearance: none;
    border-radius: 8px;
  }
}

/* 安卓设备优化 */
@media screen and (-webkit-min-device-pixel-ratio: 2) {

  .feature-icon,
  .advantage-icon {
    transform: translateZ(0);
  }
}

/* 防止水平滚动 */
body {
  overflow-x: hidden;
}

.container {
  max-width: 100%;
}

/* 提高可访问性 */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
  .stat-item {
    border: 2px solid rgba(255, 255, 255, 0.5);
  }

  .feature-item,
  .advantage-item {
    border: 2px solid #e0e0e0;
  }
}

/* 焦点可见性 */
.btn-primary:focus,
.btn-cta:focus,
.tab-btn:focus {
  outline: 2px solid #2c5aa0;
  outline-offset: 2px;
}

input:focus {
  outline: 2px solid #2c5aa0;
  outline-offset: 1px;
}

/* 动画增强 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.feature-item,
.advantage-item {
  animation: none !important;
}

.welcome-bar {
  color: #2088fe;
  font-size: 18px;
  text-align: right;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
}

.out {
  color: #333;
}

/* 平板设备专项优化 */
@media (min-width: 769px) and (max-width: 1024px) {
  .container {
    padding: 0 40px;
  }

  .hero-content {
    gap: 40px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .advantages-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .partners-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 大屏幕设备优化 */
@media (min-width: 1400px) {
  .container {
    max-width: 1200px;
  }

  .hero-content {
    gap: 80px;
  }

  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .advantages-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 50px;
  }
}

/* 打印样式 */
@media print {

  .header,
  .back-to-top,
  #loading-screen,
  .mobile-menu-toggle {
    display: none !important;
  }

  .hero-section {
    background: none !important;
    color: #000 !important;
  }

  .section {
    page-break-inside: avoid;
  }

  body {
    font-size: 12pt;
    line-height: 1.4;
  }
}

/* 暗色模式支持 */
@media (prefers-color-scheme: dark) {
  :root {
    --text-color: #e0e0e0;
    --bg-color: #1a1a1a;
    --card-bg: #2d2d2d;
  }

  body {
    background-color: var(--bg-color);
    color: var(--text-color);
  }

  .feature-item,
  .advantage-item {
    background: var(--card-bg);
    color: var(--text-color);
  }

  .dashboard-preview {
    background: var(--card-bg);
    border-color: #444;
  }

  .search-bar {
    background: #444;
  }

  .search-bar input {
    background: transparent;
    color: var(--text-color);
  }

  .stat-card {
    background: #333;
  }
}

/* 容器查询（现代浏览器） */
@container (max-width: 400px) {
  .feature-item {
    padding: 20px 15px;
  }

  .advantage-item {
    padding: 20px 15px;
  }
}

/* 添加登录按钮加载状态样式 */
.modal-login-btn.loading {
  position: relative;
  cursor: not-allowed;
  opacity: 0.7;
}

.modal-login-btn.loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-top: -8px;
  margin-left: 35px;
  border: 2px solid #fff;
  border-top-color: transparent;
  border-radius: 50%;
  animation: button-loading-spinner 1s linear infinite;
}

@keyframes button-loading-spinner {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}


/* 必填字段验证样式 */
.form-group input:required:invalid {
  border: 2px solid #ff4d4f;
  box-shadow: 0 0 0 2px rgba(255, 77, 79, 0.2);
}

.form-group input:required:valid {
  border: 2px solid #52c41a;
  box-shadow: 0 0 0 2px rgba(82, 196, 26, 0.2);
}

.form-group input:focus {
  outline: none;
  border-color: #40a9ff;
  box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}

.form-group input.active {
  border-color: #ff4d4f;
}

/* 错误提示信息样式 */
.error-message {
  color: #ff4d4f;
  font-size: 12px;
  margin-top: 4px;
  display: none;
}

.form-group.invalid .error-message {
  display: block;
}

.form-group.compact {
  display: grid;
  grid-template-columns: 60px 1fr;
}

.form-group.compact .error-message {
  grid-column: 2;
}