/* 通用主题样式（简体中文注释） */

:root {
  --cloudream-primary: #1290a8;
  --cloudream-primary-soft: #e8f7ff;
  --cloudream-surface: rgba(255, 255, 255, 0.86);
  --cloudream-radius-xl: 1.5rem;
}

/* 背景动画：大面积渐变缓慢移动，让页面更有“高端感” */
@keyframes pageGradient {
  0% {
    background-position: 0% 0%;
  }
  50% {
    background-position: 100% 60%;
  }
  100% {
    background-position: 0% 0%;
  }
}

/* 玻璃面板外围细边框的流光动画 */
@keyframes borderSheen {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* 按钮外圈柔和光晕（炫技但克制） */
@keyframes pulseHalo {
  0% {
    opacity: 0.4;
    transform: scale(1);
  }
  70% {
    opacity: 0;
    transform: scale(1.12);
  }
  100% {
    opacity: 0;
    transform: scale(1.12);
  }
}

/* logo 轻微浮动动画 */
@keyframes float-soft {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

/* Hero 右边高光区域轻微呼吸 */
@keyframes glowPulse {
  0%,
  100% {
    opacity: 0.65;
    transform: scale(1);
  }
  50% {
    opacity: 0.9;
    transform: scale(1.04);
  }
}

/* 卡片轻微浮动，用于悬停态 */
@keyframes cardLift {
  0% {
    transform: translateY(0) translateZ(0);
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.04);
  }
  100% {
    transform: translateY(-4px) translateZ(0);
    box-shadow: 0 20px 46px rgba(15, 23, 42, 0.08);
  }
}

/* 页面主体 */
body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: radial-gradient(circle at top left, var(--cloudream-primary-soft), #ffffff 40%, #f5fbff);
  background-size: 180% 180%;
  color: #0f172a;
  animation: pageGradient 26s ease-in-out infinite;
}

/* 在用户偏好“减少动画”时关闭大范围动画 */
@media (prefers-reduced-motion: reduce) {
  body {
    animation: none;
  }
}

/* 玻璃效果容器 */
.glass {
  background: var(--cloudream-surface);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

/* 柔和阴影 */
.soft-shadow {
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

/* 顶部导航容器滚动时的变化 */
.header-shell {
  transition: background-color 0.2s ease, box-shadow 0.2s ease,
    border-color 0.2s ease, transform 0.15s ease;
}

.header-shell.is-scrolled {
  background-color: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.12);
  border-color: rgba(226, 232, 240, 0.9);
  transform: translateY(-2px);
}

/* 顶部 logo 轻微浮动 */
.logo-float {
  animation: float-soft 6s ease-in-out infinite;
}

/* Hero 面板渐变边框 + 流光效果（炫技，但低频） */
.hero-panel {
  position: relative;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 1.5rem;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(18, 144, 168, 0.5),
    rgba(56, 189, 248, 0.15),
    rgba(255, 255, 255, 0)
  );
  background-size: 200% 200%;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  animation: borderSheen 14s linear infinite;
}

/* Hero 右侧高光背景的呼吸动画 */
.hero-glow {
  animation: glowPulse 10s ease-in-out infinite;
}

/* Logo 轻微弹出效果 */
.hero-logo-pop {
  transform-origin: center;
  transition: transform 0.22s ease;
}

.hero-panel:hover .hero-logo-pop {
  transform: translateY(-2px) scale(1.02);
}

/* 技术标签小胶囊 */
.tech-pill {
  border-radius: 999px;
  background: #f8fafc;
  padding: 0.25rem 0.5rem;
  text-align: center;
}

/* 语言切换胶囊控件（更现代的 segmented control） */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  padding: 2px;
  border-radius: 999px;
  background: rgba(248, 250, 252, 0.98);
  border: 1px solid #e2e8f0;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
  position: relative;
  overflow: hidden;
}

.lang-switch {
  border: none;
  background: transparent;
  color: #64748b;
  font-size: 11px;
  font-weight: 500;
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  min-width: 2.3rem;
  cursor: pointer;
  position: relative;
  transition: color 0.18s ease, background-color 0.18s ease,
    box-shadow 0.18s ease, transform 0.18s ease;
  white-space: nowrap;
}

.lang-switch:hover {
  color: #0f172a;
}

.lang-switch.is-active {
  background-color: #ffffff;
  color: #0f172a;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.18);
  transform: translateY(-0.5px);
}

/* 顶部导航链接的下划线动效 */
.nav-link {
  position: relative;
  padding-bottom: 0.1rem;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  height: 2px;
  width: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cloudream-primary), #38bdf8);
  opacity: 0;
  transform: scaleX(0.3);
  transform-origin: center;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-link:hover::after {
  opacity: 0.6;
  transform: scaleX(1);
}

.nav-link.is-active {
  color: #0f172a;
}

.nav-link.is-active::after {
  opacity: 0.9;
  transform: scaleX(1);
}

/* 移动端导航（下拉动画） */
.mobile-nav {
  opacity: 0;
  transform: translateY(-6px) scale(0.98);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.mobile-nav.is-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.mobile-nav-link {
  display: block;
  padding: 0.4rem 0;
}

/* 业务卡片样式 + 悬停浮动（配合 cardLift 动画） */
.service-card {
  border-radius: 1.25rem;
  border: 1px solid rgba(241, 245, 249, 0.9);
  background: rgba(255, 255, 255, 0.96);
  padding: 1.25rem;
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.04);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease,
    border-color 0.18s ease;
}

.service-card:hover {
  animation: cardLift 0.18s forwards;
  border-color: rgba(226, 232, 240, 0.9);
}

.service-title {
  font-size: 1rem;
  font-weight: 600;
  color: #0f172a;
}

.service-subtitle {
  font-size: 0.75rem;
  color: #64748b;
}

.service-list {
  margin-top: 0.3rem;
  font-size: 0.875rem;
  color: #475569;
}

/* 小徽章样式 */
.badge-soft {
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #e2e8f0;
  padding: 0.25rem 0.7rem;
  text-align: center;
}

/* 主要按钮与次要按钮 */
.btn-primary {
  border-radius: 999px;
  background: var(--cloudream-primary);
  color: #ffffff;
  padding: 0.6rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 18px 40px rgba(18, 144, 168, 0.38);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: transform 0.16s ease, box-shadow 0.16s ease,
    background-color 0.16s ease;
}

/* 按钮外圈柔光 halo（只做装饰，不影响点击区域） */
.btn-primary::after {
  content: "";
  position: absolute;
  inset: -20%;
  border-radius: inherit;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.5), transparent);
  opacity: 0;
  pointer-events: none;
}

.btn-primary:hover::after {
  animation: pulseHalo 1.4s ease-out;
}

.btn-primary:hover {
  background: #0f7c92;
  box-shadow: 0 20px 48px rgba(18, 144, 168, 0.5);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 14px 30px rgba(18, 144, 168, 0.4);
}

.btn-secondary {
  border-radius: 999px;
  border: 1px solid #e2e8f0;
  background: rgba(255, 255, 255, 0.94);
  padding: 0.6rem 1.4rem;
  font-size: 0.875rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #0f172a;
  transition: background-color 0.16s ease, box-shadow 0.16s ease,
    transform 0.16s ease;
}

.btn-secondary:hover {
  background: #ffffff;
  box-shadow: 0 12px 30px rgba(148, 163, 184, 0.3);
  transform: translateY(-1px);
}

/* 流程步骤卡片与关于页工作方式卡片复用样式 */
.step-card,
.workstyle-card {
  border-radius: 1.25rem;
  border: 1px solid rgba(226, 232, 240, 0.9);
  background: rgba(255, 255, 255, 0.96);
  padding: 1rem;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.05);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease,
    border-color 0.18s ease;
}

.step-card:hover,
.workstyle-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.08);
  border-color: rgba(203, 213, 225, 0.9);
}

.step-number {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cloudream-primary);
}

.step-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #0f172a;
}

.step-desc {
  font-size: 0.82rem;
  color: #6b7280;
}

/* 关于页统计卡片与伙伴标签 */
.about-stat {
  border-radius: 1rem;
  border: 1px solid rgba(226, 232, 240, 0.9);
  background: rgba(255, 255, 255, 0.96);
  padding: 0.9rem;
}

.about-stat-label {
  font-size: 0.85rem;
  font-weight: 600;
}

.about-stat-desc {
  font-size: 0.8rem;
  color: #6b7280;
}

.partner-pill {
  border-radius: 1rem;
  border: 1px dashed rgba(148, 163, 184, 0.7);
  background: rgba(248, 250, 252, 0.96);
  padding: 0.7rem 0.85rem;
}

/* 响应式调整：小屏幕上减轻阴影与圆角 */
@media (max-width: 640px) {
  .hero-panel,
  .glass.soft-shadow {
    border-radius: 1.25rem;
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
  }

  .lang-toggle {
    box-shadow: 0 6px 15px rgba(15, 23, 42, 0.08);
  }
}