/* 欢迎页专用样式 — 仅 welcome.html 引用；令牌见 brand-tokens.css */

.welcome-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: Inter, "Noto Sans SC", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  color: var(--wbk-text);
  background-color: var(--wbk-bg);
  position: relative;
  overflow-x: hidden;
}

.welcome-page__pattern {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(
    circle at 2px 2px,
    var(--wbk-pattern) 1px,
    transparent 0
  );
  background-size: 24px 24px;
  z-index: 0;
}

.welcome-page__gradient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    ellipse 80% 60% at 50% 0%,
    rgba(13, 166, 242, 0.08),
    transparent 70%
  );
  z-index: 0;
}

.welcome-page__header,
.welcome-page__main,
.welcome-page__footer {
  position: relative;
  z-index: 1;
}

.welcome-page__header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--wbk-border);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
}

.welcome-page__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--wbk-primary);
}

.welcome-page__brand:hover {
  color: #0b8fd4;
}

.welcome-page__brand .brand-logo {
  width: 2rem;
  height: 2rem;
}

.welcome-page__brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--wbk-text);
}

.welcome-page__main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.welcome-page__card {
  width: 100%;
  max-width: 480px;
  border: 1px solid var(--wbk-border);
  border-radius: 0.75rem;
  background: #fff;
  box-shadow:
    0 1px 3px rgba(15, 23, 42, 0.06),
    0 0 20px var(--wbk-glow);
}

.welcome-page__card-body {
  padding: 2.5rem 2rem;
  text-align: center;
}

.welcome-page__badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--wbk-primary);
  background: rgba(13, 166, 242, 0.1);
  border-radius: 9999px;
  padding: 0.25rem 0.75rem;
  margin-bottom: 1rem;
}

.welcome-page__title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  color: var(--wbk-text);
}

.welcome-page__desc {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--wbk-text-muted);
  margin-bottom: 2rem;
}

.welcome-page__actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.welcome-page__actions .btn {
  font-weight: 600;
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
}

.welcome-page__actions .btn-primary {
  box-shadow: 0 4px 14px rgba(13, 166, 242, 0.25);
}

.welcome-page__actions .btn-primary:hover {
  background-color: #0b8fd4;
  border-color: #0b8fd4;
}

.welcome-page__actions .btn-outline-primary {
  border-width: 1.5px;
}

.welcome-page__footer {
  padding: 1rem 1.5rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--wbk-text-muted);
  border-top: 1px solid var(--wbk-border);
  background: rgba(255, 255, 255, 0.6);
}

@media (min-width: 576px) {
  .welcome-page__card-body {
    padding: 3rem 2.5rem;
  }

  .welcome-page__actions {
    flex-direction: row;
    justify-content: center;
  }

  .welcome-page__actions .btn {
    flex: 1;
    max-width: 200px;
  }
}