.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 23px;
  font-weight: 950;
  letter-spacing: -0.045em;
}
.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  filter: drop-shadow(0 8px 14px rgba(239, 0, 138, 0.16));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 250, 252, 0.84);
  border-bottom: 1px solid var(--line-2);
  backdrop-filter: blur(16px);
}
.site-header__inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.navline {
  display: flex;
  align-items: center;
  gap: 8px;
}
.navlink {
  padding: 10px 12px;
  border-radius: 4px;
  color: var(--muted);
  font-weight: 900;
}
.navlink:hover,
.navlink.is-active {
  color: var(--hot);
  background: var(--card-2);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 4px;
  border: 1px solid transparent;
  font-weight: 950;
  letter-spacing: -0.01em;
  transition:
    transform 0.14s ease,
    box-shadow 0.14s ease,
    background 0.14s ease,
    border-color 0.14s ease;
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  color: #fff;
  background: var(--pink);
  box-shadow: 0 12px 24px rgba(239, 0, 138, 0.22);
}

.btn-primary:hover {
  background: var(--hot);
}

.btn-soft {
  color: #fff;
  background: var(--pink);
}

.btn-ghost {
  color: var(--ink);
  border-color: var(--line-2);
  background: rgba(255, 255, 255, 0.74);
}

.btn-dark {
  color: #fff;
  background: var(--ink);
}

.btn-small {
  min-height: 36px;
  padding: 0 12px;
  border-radius: 4px;
}

.btn-wide {
  width: 100%;
}

.btn[disabled],
.btn.is-loading {
  opacity: 0.65;
  cursor: progress;
}

.card {
  background: var(--card);
  border: 1px solid var(--line-2);
  border-radius: 4px;
  box-shadow: var(--shadow-2);
  backdrop-filter: blur(10px);
}
.panel {
  padding: 18px;
}
.section-title {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
  margin-bottom: 14px;
}
.section-title h1,
.section-title h2,
.section-title h3 {
  margin: 0;
  letter-spacing: -0.045em;
}
.section-title p {
  margin: 4px 0 0;
  color: var(--muted);
  line-height: 1.4;
}

.notice {
  padding: 13px 14px;
  border-radius: 4px;
  border: 1px solid var(--line-2);
  background: #fff3f9;
  color: var(--muted);
  line-height: 1.5;
}
.notice strong {
  display: block;
  color: var(--ink);
  margin-bottom: 3px;
}
.notice-error {
  border-color: #ffb7cd;
  color: #9d1742;
  background: #fff0f3;
}
.notice-success {
  border-color: #afe8d7;
  color: #146b53;
  background: #effcf8;
}

.field {
  display: grid;
  gap: 7px;
}
.field > span,
.field-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 950;
}
.fieldbox {
  min-height: 50px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  border: 1px solid var(--line-2);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.82);
}
.fieldbox:focus-within {
  border-color: var(--pink-2);
  box-shadow: 0 0 0 4px rgba(239, 0, 138, 0.1);
  background: #fff;
}
.form-grid {
  display: grid;
  gap: 14px;
}
.form-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form-hint {
  color: var(--soft);
  font-weight: 800;
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--pink) !important;
  font-weight: 950;
}

.chirpy-chat-pro .chip {
  text-transform: uppercase;
}
.chip-muted {
  color: var(--muted);
}
.trending-tag {
  justify-content: space-between;
  width: 100%;
}
.trending-tag small {
  color: var(--muted);
  font-weight: 900;
}

.avatar {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: #fff1f7;
}
.avatar-lg {
  width: 104px;
  height: 104px;
  border-radius: 18px;
  border: 4px solid #fff;
  box-shadow: var(--shadow);
}