/* 页面基础重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* 背景：采用图二极具科技感的深青墨色，并添加径向渐变微光 */
body {
  background-color: #050f12;
  background-image: radial-gradient(circle at 80% 20%, #0d282e 0%, #050f12 60%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: #ffffff;
  overflow-x: hidden;
}

/* 页面主体容器 */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 24px;
  flex-grow: 1;
  display: flex;
  align-items: center;
}

/* 两栏式布局 */
.grid-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 60px;
  width: 100%;
  align-items: center;
}

/* 左侧介绍与服务保障区域 */
.brand-intro {
  padding-right: 20px;
}

/* 域名大标题：图二荧光青绿发光字 */
.domain-title {
  font-size: 80px;
  font-weight: 900;
  color: #00f5c4;
  letter-spacing: -1.5px;
  text-shadow: 0 0 30px rgba(0, 245, 196, 0.3);
  margin-bottom: 12px;
  display: inline-block;
}

/* 转让状态提示语 */
.domain-subtitle {
  font-size: 20px;
  color: #a2b8bd;
  line-height: 1.6;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 40px;
}

.domain-subtitle::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: #00f5c4;
  border-radius: 50%;
  box-shadow: 0 0 10px #00f5c4;
}

/* 四大核心服务保障列表：改用 2x2 网格展示，适配左侧深色背景 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  width: 100%;
}

/* 每一个保障项的半透明暗色卡片 */
.feature-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  backdrop-filter: blur(10px);
}

.feature-item:hover {
  transform: translateY(-4px);
  background: rgba(0, 245, 196, 0.05);
  border-color: rgba(0, 245, 196, 0.25);
  box-shadow: 0 10px 25px rgba(0, 245, 196, 0.05);
}

/* 图标圆球：图二标志性的亮青色 */
.icon-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: #00f5c4;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0, 245, 196, 0.3);
}

.icon-circle svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: #122a2e;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* 文字内容 */
.feature-text {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.feature-title {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
}

.feature-desc {
  font-size: 13px;
  color: #8da4a8;
  line-height: 1.5;
  font-weight: 400;
}

/* 右侧独立购买交易卡片 */
.purchase-card {
  background-color: #ffffff;
  border-radius: 32px;
  padding: 28px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  width: 100%;
  max-width: 440px;
  justify-self: end;
}

/* 卡片标题栏 */
.card-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding: 0 4px;
}

.card-main-title {
  font-size: 18px;
  font-weight: 800;
  color: #0f1c1f;
  letter-spacing: 0.5px;
}

.card-whois-link {
  font-size: 14px;
  color: #0084ff;
  font-weight: 600;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 4px;
}

.card-whois-link:hover {
  color: #0056b3;
  text-decoration: underline;
}

/* 价格卡片：图二高保真渐变 */
.price-gradient-box {
  background: linear-gradient(135deg, #00f5c4 0%, #0084ff 100%);
  border-radius: 24px;
  padding: 24px;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(0, 245, 196, 0.15);
}

.price-label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 2px;
  opacity: 0.9;
  margin-bottom: 4px;
  font-weight: 500;
}

.price-row {
  display: flex;
  align-items: baseline;
  margin-bottom: 20px;
}

.price-currency {
  font-size: 26px;
  font-weight: 700;
  margin-right: 4px;
}

.price-value {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

/* 立即购买按钮：白底黑字 */
.btn-buy {
  display: flex;
  width: 100%;
  background-color: #ffffff;
  color: #073a3c;
  border: none;
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-buy:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
  background-color: #f7ffff;
}

/* 竞价详情字段面板 */
.transaction-details {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  background: #f6fafb;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.01);
}

.detail-label {
  font-size: 14px;
  color: #708c92;
  font-weight: 500;
}

.detail-value {
  font-size: 14px;
  font-weight: 700;
  color: #1a2d32;
}

/* 竞价标签 */
.type-badge {
  background: rgba(0, 245, 196, 0.15);
  color: #008c70;
  padding: 4px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
}

/* 倒计时文本 */
.countdown-timer {
  color: #ff3b30;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

/* 底部导航 */
.footer {
  width: 100%;
  padding: 30px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(5, 15, 18, 0.8);
  backdrop-filter: blur(10px);
}

.footer-nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.footer-link {
  font-size: 14px;
  color: #7a9c9f;
  text-decoration: none;
  position: relative;
  padding: 4px 0;
  font-weight: 500;
}

.footer-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: #00f5c4;
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.footer-link:hover {
  color: #00f5c4;
}

.footer-link:hover::after {
  width: 100%;
}

/* 移动端响应式布局 */
@media (max-width: 992px) {
  .grid-layout {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .brand-intro {
    text-align: center;
    padding-right: 0;
  }

  .domain-title {
    font-size: 64px;
  }

  .domain-subtitle {
    justify-content: center;
  }

  .purchase-card {
    margin: 0 auto;
  }
}

@media (max-width: 600px) {
  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .domain-title {
    font-size: 48px;
  }

  .purchase-card {
    border-radius: 24px;
    padding: 20px;
  }

  .footer-nav {
    gap: 20px;
  }
}