.support-widget-external-wrapper {
  --support-widget-primary: #696cff;
  --support-widget-primary-rgb: 105, 108, 255;
  --support-widget-primary-dark: #5762ff;
  --support-widget-primary-soft: rgba(105, 108, 255, 0.14);
  --support-widget-primary-border: rgba(105, 108, 255, 0.18);
}

.support-widget-container {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 1080;
  width: 320px;
  max-width: calc(100vw - 32px);
  overflow: visible;
}

.support-widget-panel {
  border-radius: 1rem;
  background: #fff;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.18);
  overflow: hidden;
}

.support-widget-collapsible-section {
  transition: max-height 0.25s ease, opacity 0.25s ease, transform 0.25s ease, padding 0.25s ease, margin 0.25s ease;
}

.support-widget-header-main {
  min-width: 0;
}

.support-widget-header-icon {
  width: 2rem;
  height: 2rem;
  border-radius: 0.75rem;
  background: rgba(var(--support-widget-primary-rgb), 0.16);
  color: #fff;
  flex: 0 0 auto;
}

.support-widget-header-title {
  max-width: 100%;
}

.support-widget-mode-hover .support-widget-collapsible-section,
.support-widget-mode-click .support-widget-collapsible-section {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(-4px);
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  margin-top: 0 !important;
  margin-bottom: 0 !important;
  pointer-events: none;
}

.support-widget-mode-hover:hover .support-widget-collapsible-section,
.support-widget-mode-click.support-widget-is-expanded .support-widget-collapsible-section {
  max-height: 2000px;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.support-widget-style-minimal {
  width: auto;
  max-width: calc(100vw - 24px);
}

.support-widget-style-minimal.support-widget-mode-hover .support-widget-panel,
.support-widget-style-minimal.support-widget-mode-click .support-widget-panel {
  position: fixed;
  right: 56px;
  bottom: 24px;
  width: min(320px, calc(100vw - 80px));
  transform: translateX(calc(100% + 4px));
  opacity: 0;
  pointer-events: none;
  transition: transform 0.28s ease, opacity 0.28s ease;
}

.support-widget-style-minimal.support-widget-mode-hover.support-widget-is-expanded .support-widget-panel,
.support-widget-style-minimal.support-widget-mode-click.support-widget-is-expanded .support-widget-panel,
.support-widget-container.support-widget-mode-hover:hover .support-widget-panel {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

.support-widget-style-minimal .support-widget-minimal-launcher {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--support-widget-primary-dark) 0%, var(--support-widget-primary) 100%);
  color: #fff;
  box-shadow: 0 18px 35px rgba(15, 23, 42, 0.28);
  transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
  z-index: 2;
  overflow: hidden;
}

.support-widget-style-minimal .support-widget-minimal-hover-bridge {
  position: fixed;
  right: 52px;
  bottom: 24px;
  width: 12px;
  height: 32px;
  background: transparent;
  pointer-events: auto;
  z-index: 1;
}

.support-widget-style-minimal .support-widget-minimal-launcher i {
  font-size: 0.82rem;
  position: relative;
  z-index: 1;
}

.support-widget-minimal-scroll-top {
  position: fixed;
  right: 24px;
  bottom: 68px;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--support-widget-primary-dark) 0%, var(--support-widget-primary) 100%);
  color: #fff;
  box-shadow: 0 18px 35px rgba(15, 23, 42, 0.22);
  transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease, visibility 0.25s ease;
  z-index: 1100;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.support-widget-minimal-scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.support-widget-minimal-scroll-top i {
  font-size: 0.82rem;
  position: relative;
  z-index: 1;
}

.support-widget-minimal-launcher-glow {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.22), transparent 55%);
}

.support-widget-minimal-scroll-top-glow {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.22), transparent 55%);
}

.support-widget-style-minimal .support-widget-minimal-launcher:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 22px 40px rgba(15, 23, 42, 0.3);
}

.support-widget-style-minimal .support-widget-minimal-scroll-top:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 22px 40px rgba(15, 23, 42, 0.28);
}

.support-widget-style-minimal.support-widget-mode-hover .support-widget-minimal-hover-bridge:hover ~ .support-widget-panel,
.support-widget-style-minimal.support-widget-mode-hover .support-widget-minimal-launcher:hover ~ .support-widget-panel,
.support-widget-container.support-widget-mode-hover:hover .support-widget-panel {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

.support-widget-toggle {
  min-width: 88px;
}

.support-widget-mode-hover:hover .support-widget-toggle,
.support-widget-is-expanded .support-widget-toggle {
  background-color: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.28);
}

.support-widget-mode-always .support-widget-toggle {
  display: none;
}

/* 清爽风格：采用极简白底设计 */
.support-widget-style-clean .support-widget-header {
  background: #fff;
  color: #1f2937;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.support-widget-style-clean .support-widget-header-icon {
  background: var(--support-widget-primary-soft);
  color: var(--support-widget-primary);
}

.support-widget-style-clean .support-widget-toggle {
  background-color: #f8fafc;
  border-color: #e2e8f0;
  color: #64748b;
}

.support-widget-style-clean .support-widget-toggle:hover {
  background-color: var(--support-widget-primary-soft);
  border-color: var(--support-widget-primary-border);
  color: var(--support-widget-primary);
}

.support-widget-style-clean.support-widget-mode-hover:hover .support-widget-toggle,
.support-widget-style-clean.support-widget-is-expanded .support-widget-toggle {
  background-color: var(--support-widget-primary-soft);
  border-color: var(--support-widget-primary-border);
  color: var(--support-widget-primary);
}

/* 卡片风格：保持现有的质感渐变设计 */
.support-widget-style-card .support-widget-header {
  background: linear-gradient(135deg, var(--support-widget-primary) 0%, var(--support-widget-primary-dark) 100%);
}

.support-widget-style-custom .support-widget-header {
  background: linear-gradient(135deg, var(--support-widget-primary) 0%, var(--support-widget-primary-dark) 100%);
}

.support-widget-style-minimal .support-widget-header {
  background: linear-gradient(135deg, var(--support-widget-primary-dark) 0%, var(--support-widget-primary) 100%);
}

.support-widget-header {
  padding: 0.875rem 1rem;
  font-weight: 600;
  color: #fff;
}

.support-widget-meta-title {
  color: #1f2937;
}

.support-widget-meta-item {
  border: 1px solid var(--support-widget-primary-border);
}

.support-widget-meta-item .fw-semibold {
  white-space: pre-line;
  word-break: break-word;
}

.support-widget-channel-icon-wrap {
  flex: 0 0 auto;
}

.support-widget-channel-list {
  list-style: none;
  margin: 0;
  padding: 0.75rem 0.75rem 1rem;
}

.support-widget-channel-row {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-radius: 0.875rem;
  padding: 0.25rem 0.25rem 0.25rem 0;
}

.support-widget-channel-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1 1 auto;
  min-width: 0;
  text-decoration: none;
  color: inherit;
  border-radius: 0.875rem;
  padding: 0.5rem 0.75rem 0.5rem 0;
}

.support-widget-channel-link:hover,
.support-widget-channel-link:focus-visible {
  color: inherit;
}

.support-widget-channel-link:hover .support-widget-channel-icon,
.support-widget-channel-link:focus-visible .support-widget-channel-icon,
.support-widget-channel-row:hover .support-widget-channel-icon,
.support-widget-channel-row:focus-within .support-widget-channel-icon {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.12);
}

.support-widget-channel-content {
  min-width: 0;
  flex: 1 1 auto;
}

.support-widget-channel-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex: 0 0 auto;
  margin-left: auto;
  opacity: 0;
  transform: translateX(6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.support-widget-channel-row:hover .support-widget-channel-actions,
.support-widget-channel-row:focus-within .support-widget-channel-actions {
  opacity: 1;
  transform: translateX(0);
}

.support-widget-icon-btn {
  width: 2rem;
  height: 2rem;
  padding: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.support-widget-icon-btn i {
  font-size: 0.95rem;
}

.support-widget-icon-btn.support-widget-copy-btn {
  position: relative;
}

.support-widget-icon-btn.support-widget-copy-btn::before {
  content: attr(title);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.5rem);
  transform: translateX(-50%) translateY(4px);
  white-space: nowrap;
  background: rgba(15, 23, 42, 0.92);
  color: #fff;
  border-radius: 0.5rem;
  padding: 0.35rem 0.55rem;
  font-size: 0.75rem;
  line-height: 1;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 2;
}

.support-widget-icon-btn.support-widget-copy-btn::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.15rem);
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: rgba(15, 23, 42, 0.92);
  opacity: 0;
  transition: opacity 0.18s ease;
}

.support-widget-icon-btn.support-widget-copy-btn:hover::before,
.support-widget-icon-btn.support-widget-copy-btn:focus-visible::before {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.support-widget-icon-btn.support-widget-copy-btn:hover::after,
.support-widget-icon-btn.support-widget-copy-btn:focus-visible::after {
  opacity: 1;
}

.support-widget-channel-icon,
.support-widget-channel-icon-img {
  width: 44px;
  height: 44px;
  border-radius: 0.875rem;
}

.support-widget-channel-icon {
  background: var(--support-widget-primary-soft);
  color: var(--support-widget-primary);
  font-size: 1.15rem;
}

.support-widget-channel-icon-img {
  object-fit: cover;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.support-widget-channel-action {
  min-width: 96px;
}

.support-widget-qr-frame {
  width: 220px;
  max-width: 100%;
  padding: 0.75rem;
  border-radius: 1rem;
  background: linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
}

.support-widget-qr-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
}

.support-widget-mobile-adaptive {
  width: min(320px, calc(100vw - 24px));
}

@media (max-width: 767.98px) {
  .support-widget-container {
    right: 12px;
    bottom: 12px;
    width: min(280px, calc(100vw - 24px));
  }

  .support-widget-qr-frame {
    width: 180px;
  }
}