.topbar {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 40;
  background: var(--topbar-bg);
  backdrop-filter: blur(16px);
  border-bottom: 1rpx solid var(--line);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20rpx 0 12rpx;
  gap: 12rpx;
}

.icon-btn {
  width: 72rpx;
  height: 72rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 20rpx;
  flex-shrink: 0;
}

.icon-btn-hover {
  background: var(--chip);
}

.menu-bars {
  width: 36rpx;
  display: flex;
  flex-direction: column;
  gap: 8rpx;
}

.menu-bars .bar {
  height: 4rpx;
  border-radius: 4rpx;
  background: var(--ink);
}

.menu-bars .bar.short {
  width: 70%;
}

.theme-ico,
.close-ico {
  font-size: 36rpx;
  line-height: 1;
  color: var(--ink);
}

.close-ico {
  font-size: 48rpx;
  font-weight: 300;
}

.brand-mark {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 14rpx;
  min-width: 0;
}

.brand-logo {
  width: 56rpx;
  height: 56rpx;
  border-radius: 14rpx;
  flex-shrink: 0;
  background: var(--surface-solid);
}

.brand-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 4rpx;
  min-width: 0;
}

.brand-name {
  font-size: 30rpx;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.brand-current {
  font-size: 22rpx;
  font-weight: 600;
  color: var(--accent);
  line-height: 1.25;
  letter-spacing: -0.01em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.page {
  padding: 16rpx 28rpx 120rpx;
  max-width: 1120rpx;
  margin: 0 auto;
}

.cat-panel {
  margin-top: 8rpx;
  padding-top: 20rpx;
}

.cat-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16rpx;
  margin-bottom: 18rpx;
  padding: 0 4rpx;
}

.cat-title {
  font-size: 34rpx;
  font-weight: 800;
  color: var(--ink);
}

.cat-count {
  font-size: 22rpx;
  font-weight: 700;
  color: var(--ink-faint);
  background: var(--chip);
  padding: 4rpx 14rpx;
  border-radius: 999rpx;
}

.group-block {
  margin-bottom: 22rpx;
}

.group-title {
  display: block;
  font-size: 24rpx;
  font-weight: 700;
  color: var(--ink-muted);
  margin: 0 4rpx 14rpx;
}

.link-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12rpx;
}

.link-card {
  width: calc((100% - 24rpx) / 3);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12rpx;
  padding: 18rpx 14rpx;
  border-radius: 22rpx;
  background: var(--surface-solid);
  box-shadow: var(--shadow-card);
  border: 1rpx solid var(--line);
}

.link-card-hover {
  opacity: 0.88;
  transform: scale(0.98);
}

.link-icon-wrap {
  width: 56rpx;
  height: 56rpx;
  border-radius: 16rpx;
  background: var(--chip);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.link-icon {
  width: 40rpx;
  height: 40rpx;
}

.link-meta {
  display: flex;
  flex-direction: column;
  gap: 4rpx;
  min-width: 0;
  width: 100%;
}

.link-title {
  font-size: 24rpx;
  font-weight: 700;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.link-desc {
  font-size: 20rpx;
  color: var(--ink-faint);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.footer {
  margin-top: 48rpx;
  text-align: center;
  font-size: 22rpx;
  color: var(--ink-faint);
  padding-bottom: env(safe-area-inset-bottom);
}

/* Drawer */
.drawer-root {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  visibility: hidden;
}

.drawer-root.open {
  pointer-events: auto;
  visibility: visible;
}

.drawer-mask {
  position: absolute;
  inset: 0;
  background: rgba(10, 15, 20, 0.45);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.drawer-root.open .drawer-mask {
  opacity: 1;
}

.drawer-panel {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: min(78vw, 560rpx);
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
  transform: translateX(-105%);
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
  display: flex;
  flex-direction: column;
}

.drawer-root.open .drawer-panel {
  transform: translateX(0);
}

.drawer-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12rpx;
  padding: 16rpx 20rpx 20rpx;
  border-bottom: 1rpx solid var(--line);
}

.drawer-brand-wrap {
  display: flex;
  align-items: center;
  gap: 14rpx;
  min-width: 0;
  padding-top: 8rpx;
}

.drawer-logo {
  width: 56rpx;
  height: 56rpx;
  border-radius: 14rpx;
  background: var(--surface-solid);
  flex-shrink: 0;
}

.drawer-brand {
  display: block;
  font-size: 30rpx;
  font-weight: 800;
  color: var(--ink);
}

.drawer-sub {
  display: block;
  margin-top: 4rpx;
  font-size: 22rpx;
  color: var(--ink-muted);
  line-height: 1.35;
}

.drawer-nav {
  flex: 1;
  height: 0;
  padding: 16rpx 14rpx 40rpx;
}

.drawer-item {
  display: flex;
  align-items: center;
  gap: 16rpx;
  padding: 20rpx 18rpx;
  border-radius: 18rpx;
  margin-bottom: 8rpx;
}

.drawer-item-hover {
  background: var(--chip);
}

.drawer-item.active {
  background: var(--chip-active);
}

.drawer-item.active .drawer-item-title,
.drawer-item.active .drawer-item-count,
.drawer-item.active .drawer-emoji {
  color: var(--chip-active-ink);
}

.drawer-emoji {
  font-size: 28rpx;
  width: 40rpx;
  text-align: center;
  flex-shrink: 0;
}

.drawer-item-text {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4rpx;
}

.drawer-item-title {
  font-size: 28rpx;
  font-weight: 700;
  color: var(--ink);
}

.drawer-item-count {
  font-size: 22rpx;
  color: var(--ink-faint);
}

/* Sheet */
.sheet-root {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.sheet-mask {
  position: absolute;
  inset: 0;
  background: rgba(10, 15, 20, 0.5);
}

.sheet-panel {
  position: relative;
  width: 100%;
  max-width: 1120rpx;
  background: var(--surface-solid);
  border-radius: 28rpx 28rpx 0 0;
  padding: 32rpx 28rpx calc(28rpx + env(safe-area-inset-bottom));
  box-shadow: var(--shadow);
}

.sheet-head {
  display: flex;
  align-items: center;
  gap: 18rpx;
  margin-bottom: 24rpx;
}

.sheet-icon {
  width: 72rpx;
  height: 72rpx;
  border-radius: 18rpx;
  background: var(--chip);
  flex-shrink: 0;
}

.sheet-titles {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6rpx;
}

.sheet-title {
  font-size: 32rpx;
  font-weight: 800;
  color: var(--ink);
}

.sheet-sub {
  font-size: 24rpx;
  color: var(--ink-muted);
  line-height: 1.4;
}

.sheet-label {
  font-size: 22rpx;
  font-weight: 700;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 10rpx;
}

.sheet-url {
  padding: 20rpx 18rpx;
  border-radius: 18rpx;
  background: var(--accent-soft);
  border: 2rpx solid rgba(13, 143, 123, 0.35);
  font-size: 24rpx;
  color: var(--ink);
  word-break: break-all;
  line-height: 1.5;
  user-select: text;
}

.sheet-actions {
  display: flex;
  gap: 14rpx;
  margin-top: 24rpx;
}

.sheet-btn {
  flex: 1;
  min-height: 88rpx;
  border-radius: 18rpx;
  border: 1rpx solid var(--line) !important;
  background: var(--chip) !important;
  font-size: 28rpx !important;
  font-weight: 700;
  color: var(--ink) !important;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sheet-btn.primary {
  flex: 1.6;
  background: linear-gradient(180deg, #12a08a, var(--accent-deep)) !important;
  color: #fff !important;
  border-color: transparent !important;
}

.sheet-hint {
  margin-top: 18rpx;
  font-size: 22rpx;
  color: var(--ink-faint);
  text-align: center;
  line-height: 1.4;
}

.back-top {
  position: fixed;
  right: 28rpx;
  bottom: calc(48rpx + env(safe-area-inset-bottom));
  width: 80rpx;
  height: 80rpx;
  border-radius: 50%;
  background: var(--surface-solid);
  box-shadow: var(--shadow);
  border: 1rpx solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12rpx);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 35;
  font-size: 32rpx;
  font-weight: 700;
  color: var(--ink);
}

.back-top.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-top-hover {
  opacity: 0.85;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(56rpx + env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(16rpx);
  padding: 14rpx 28rpx;
  border-radius: 999rpx;
  background: var(--toast-bg);
  color: var(--toast-ink);
  font-size: 24rpx;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 80;
  max-width: 80vw;
  text-align: center;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}