:root {
  --brand: #d50032;
  --brand-600: #b9002b;
  --brand-400: #ed5576;
  --brand-100: #ffd9e2;
  --brand-50: #fff3f6;
  --bg: #eef1f5;
  --surface: #ffffff;
  --surface-elevated: #ffffff;
  --surface-subtle: #f7f8fa;
  --surface-hover: #f1f3f6;
  --text: #161b22;
  --text-secondary: #475467;
  --text-muted: #667085;
  --text-placeholder: #98a2b3;
  --border: #dfe3e8;
  --border-subtle: #edf0f3;
  --border-strong: #c8ced6;
  --good: #07865a;
  --good-50: #effbf6;
  --good-100: #d9f4e8;
  --warn: #c66a08;
  --warn-50: #fff8eb;
  --info: #2867c7;
  --shadow-xs: 0 1px 2px rgba(16, 24, 40, 0.04);
  --shadow-sm: 0 2px 8px rgba(16, 24, 40, 0.055);
  --shadow: 0 8px 24px rgba(16, 24, 40, 0.075);
  --shadow-md: 0 14px 36px rgba(16, 24, 40, 0.1);
  --shadow-lg: 0 22px 54px rgba(16, 24, 40, 0.14);
  --shadow-brand: 0 10px 24px rgba(213, 0, 50, 0.16);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
}

html {
  scroll-padding-top: 20px;
  scrollbar-color: #b9c0ca transparent;
}

body.ui-optimized {
  min-width: 320px;
  background:
    radial-gradient(circle at 94% 2%, rgba(213, 0, 50, 0.045), transparent 28rem),
    linear-gradient(180deg, #f7f8fa 0, var(--bg) 20rem);
  color: var(--text);
}

.ui-skip-link {
  position: fixed;
  z-index: 120;
  top: 8px;
  left: 50%;
  padding: 9px 14px;
  border-radius: 8px;
  background: #fff;
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
  box-shadow: var(--shadow-md);
  transform: translate(-50%, -160%);
  transition: transform 160ms ease;
}

.ui-skip-link:focus {
  transform: translate(-50%, 0);
}

.ui-sidebar {
  position: fixed;
  z-index: 30;
  inset: 18px auto 18px 18px;
  width: 220px;
  display: flex;
  flex-direction: column;
  padding: 20px 14px 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  background:
    radial-gradient(circle at 20% 0%, rgba(213, 0, 50, 0.24), transparent 14rem),
    linear-gradient(180deg, #181c25 0%, #11151c 100%);
  color: #fff;
  box-shadow: 0 24px 50px rgba(16, 24, 40, 0.22);
}

.ui-sidebar::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -76px;
  width: 180px;
  height: 180px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  box-shadow: 0 0 0 28px rgba(255, 255, 255, 0.018), 0 0 0 58px rgba(255, 255, 255, 0.012);
  pointer-events: none;
}

.ui-sidebar-brand {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 11px;
  min-height: 42px;
  padding: 0 8px;
}

.ui-sidebar-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
}

.ui-sidebar-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.ui-sidebar-brand-name {
  font-size: 15px;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.ui-sidebar-brand-sub {
  margin-top: 4px;
  color: #98a2b3;
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.13em;
}

.ui-sidebar-label {
  position: relative;
  z-index: 1;
  margin: 34px 10px 9px;
  color: #717b8d;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.ui-sidebar-nav {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 5px;
}

.ui-sidebar-nav[hidden] {
  display: none !important;
}

.ui-sidebar-link {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: #aeb7c5;
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.ui-sidebar-link svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ui-sidebar-link:hover,
.ui-sidebar-link:focus-visible {
  border-color: rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.055);
  color: #fff;
}

.ui-sidebar-link.is-active {
  border-color: rgba(237, 23, 75, 0.2);
  background: linear-gradient(90deg, rgba(213, 0, 50, 0.24), rgba(213, 0, 50, 0.08));
  color: #fff;
  box-shadow: inset 3px 0 0 var(--brand-400);
}

.ui-sidebar-footer {
  position: relative;
  z-index: 1;
  margin-top: auto;
  display: grid;
  gap: 9px;
}

.ui-sidebar-edition {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 7px;
  color: #7f8999;
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.ui-sidebar-edition span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #2dcc87;
  box-shadow: 0 0 0 4px rgba(45, 204, 135, 0.1);
}

.ui-sidebar-original {
  min-height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.04);
  color: #c8ced8;
  text-decoration: none;
  font-size: 11px;
  font-weight: 700;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.ui-sidebar-original:hover,
.ui-sidebar-original:focus-visible {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.ui-optimized .app {
  width: auto;
  max-width: none;
  margin: 0 0 0 244px;
  padding: 18px 22px 50px;
}

.ui-optimized .hero {
  --control-glass-blur: 10px;
  border-color: rgba(200, 206, 214, 0.85);
  border-radius: 18px;
  background-color: #f7f8fa;
  background-image: url("图标库/nissan-relief-hero-tablet.webp");
  background-position: center;
  background-size: clamp(900px, 58vw, 1100px) auto;
  background-repeat: no-repeat;
  box-shadow: var(--shadow);
}

.ui-optimized .hero::before {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.24) 0%, rgba(255, 255, 255, 0.05) 44%, rgba(255, 255, 255, 0.03) 56%, rgba(255, 255, 255, 0.2) 100%),
    linear-gradient(180deg, rgba(247, 248, 250, 0.14) 0%, rgba(247, 248, 250, 0.01) 50%, rgba(247, 248, 250, 0.14) 100%);
}

.ui-optimized .hero-band {
  height: 4px;
  background: linear-gradient(90deg, var(--brand) 0 10%, #f06b89 10% 18%, transparent 55%);
}

.ui-optimized .hero-inner {
  padding: 20px 22px 18px;
}

.ui-optimized .hero-top {
  grid-template-columns: minmax(420px, 1fr) minmax(440px, 0.8fr);
  gap: 18px 28px;
  align-items: center;
}

.ui-optimized .brand-lockup {
  align-items: center;
}

.ui-optimized .hero-kicker {
  color: #7a8494;
  font-size: 9px;
  letter-spacing: 0.16em;
}

.ui-optimized .hero h1 {
  margin: 4px 0 5px;
  font-size: clamp(27px, 2.25vw, 36px);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.ui-optimized .source-note {
  margin-top: 5px;
  overflow: hidden;
  color: var(--text-muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ui-optimized .compute-strip {
  margin-top: 8px;
  gap: 9px;
}

.ui-optimized .compute-note {
  font-size: 10px;
}

.ui-optimized .meta-strip {
  max-width: none;
  grid-template-columns: minmax(180px, 1.25fr) repeat(3, minmax(92px, 0.75fr));
  gap: 7px;
}

.ui-optimized .meta-card {
  min-height: 60px;
  padding: 9px 11px;
  border-color: var(--border-subtle);
  border-radius: 10px;
  background: #f7f8fa;
  box-shadow: none;
}

.ui-optimized .meta-card:hover {
  border-color: var(--border-strong);
  box-shadow: none;
  transform: none;
}

.ui-optimized .meta-label {
  color: #7b8492;
  font-size: 9px;
  font-weight: 700;
}

.ui-optimized .meta-value {
  margin-top: 4px;
  font-size: 14px;
}

.ui-optimized .control-wrap {
  margin-top: 17px;
  padding-top: 15px;
  border-top: 1px solid var(--border-subtle);
  gap: 10px;
}

.ui-optimized .hero .control-wrap {
  border-top: 0;
}

.ui-optimized .control-grid {
  gap: 9px;
}

.ui-optimized .control-block,
.ui-optimized .action-block {
  min-width: 0;
}

.ui-optimized .control-block {
  flex: 1 1 150px;
}

.ui-optimized .control-block.control-wide {
  flex: 1.12 1 176px;
}

.ui-optimized .action-block {
  flex: 0 1 auto;
  padding-left: 10px;
  border-left: 1px solid var(--border-subtle);
}

.ui-optimized .hero .action-block {
  padding-left: 0;
  border-left: 0;
}

.ui-optimized .control-block label,
.ui-optimized .action-label {
  margin-bottom: 5px;
  color: #687385;
  font-size: 10px;
  font-weight: 700;
}

.ui-optimized .control-block input,
.ui-optimized .control-block select,
.ui-optimized .compare-block input,
.ui-optimized .compare-block select,
.ui-optimized .compact-control input,
.ui-optimized .compact-control select {
  height: 40px;
  border-color: #d7dce3;
  border-radius: 8px;
  background-color: #fff;
  box-shadow: inset 0 1px 1px rgba(16, 24, 40, 0.02);
}

.ui-optimized .control-block input:focus,
.ui-optimized .control-block select:focus,
.ui-optimized .compare-block input:focus,
.ui-optimized .compare-block select:focus,
.ui-optimized .compact-control input:focus,
.ui-optimized .compact-control select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(213, 0, 50, 0.11);
  transform: none;
}

.ui-optimized .btn {
  min-width: 40px;
  height: 40px;
  padding: 0 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.ui-optimized .btn:hover,
.ui-optimized .btn:active {
  transform: none;
}

.ui-optimized .btn:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  box-shadow: none;
}

.ui-optimized .btn-primary {
  background: linear-gradient(135deg, #e00039, #c0002d);
  box-shadow: 0 7px 18px rgba(213, 0, 50, 0.18);
}

.ui-optimized .btn-primary:hover {
  background: #bd002c;
  box-shadow: 0 8px 20px rgba(213, 0, 50, 0.23);
}

.ui-optimized .btn-ghost {
  border-color: #dde2e8;
  background: #f5f7f9;
  color: #536073;
}

.ui-optimized .btn-subtle {
  border-color: #d9dee5;
  background: #fff;
  box-shadow: none;
}

.ui-optimized .btn-ghost:hover,
.ui-optimized .btn-subtle:hover {
  border-color: #bfc6d0;
  background: #fff;
  box-shadow: var(--shadow-xs);
}

.ui-optimized .hero .btn-primary {
  color: #9f0026;
}

.ui-optimized .compare-row {
  align-items: start;
  gap: 9px;
  padding: 10px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  box-shadow: none;
}

.ui-optimized .compare-block {
  padding: 10px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  box-shadow: none;
}

.ui-optimized .compare-model-dropdown {
  min-width: 0;
}

.ui-optimized .compare-model-dropdown summary {
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 0 12px;
  border-radius: 8px;
  color: #445166;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  list-style: none;
}

.ui-optimized .compare-model-dropdown summary::-webkit-details-marker {
  display: none;
}

.ui-optimized .compare-model-dropdown summary::after {
  content: "";
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-right: 2px solid #687385;
  border-bottom: 2px solid #687385;
  transform: translateY(-2px) rotate(45deg);
  transition: transform 180ms ease;
}

.ui-optimized .compare-model-dropdown[open] summary::after {
  transform: translateY(2px) rotate(225deg);
}

.ui-optimized .compare-model-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: minmax(32px, auto);
  gap: 4px;
  min-height: 0;
  max-height: none;
  overflow: visible;
  margin-top: 6px;
  padding: 2px;
  border-radius: 8px;
}

.ui-optimized .compare-model-option {
  min-height: 32px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0 8px;
  border-radius: 6px;
  color: #445166;
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.2;
  transition: background 160ms ease, color 160ms ease;
}

.ui-optimized .compare-model-option:hover,
.ui-optimized .compare-model-option:focus-within {
  background: rgba(255, 255, 255, 0.2);
}

.ui-optimized .compare-model-option:has(input:checked) {
  background: rgba(213, 0, 50, 0.15);
  color: var(--brand);
}

.ui-optimized .compare-model-option input {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  margin: 0;
  accent-color: var(--brand);
}

.ui-optimized .hero .compare-model-option input {
  width: 16px;
  height: 16px;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transform: none;
}

.ui-optimized .hero .compare-model-option input:focus {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  box-shadow: none;
  transform: none;
}

.ui-optimized .hero .meta-card,
.ui-optimized .hero .control-block input,
.ui-optimized .hero .control-block select,
.ui-optimized .hero .compare-block input:not([type="checkbox"]),
.ui-optimized .hero .compare-block select:not([multiple]),
.ui-optimized .hero .btn,
.ui-optimized .hero .compare-model-dropdown summary,
.ui-optimized .hero .compare-model-options,
.ui-optimized .hero .compare-block .capsule {
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(var(--control-glass-blur)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--control-glass-blur)) saturate(180%);
}

.ui-optimized .hero .meta-card:hover,
.ui-optimized .hero .control-block input:hover,
.ui-optimized .hero .control-block select:hover,
.ui-optimized .hero .compare-block input:not([type="checkbox"]):hover,
.ui-optimized .hero .compare-block select:not([multiple]):hover,
.ui-optimized .hero .btn:hover,
.ui-optimized .hero .compare-model-dropdown summary:hover,
.ui-optimized .hero .compare-block .capsule:hover {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.12);
}

.ui-optimized .hero .control-block input:focus,
.ui-optimized .hero .control-block select:focus,
.ui-optimized .hero .compare-block input:not([type="checkbox"]):focus,
.ui-optimized .hero .compare-block select:not([multiple]):focus,
.ui-optimized .hero .btn:focus-visible,
.ui-optimized .hero .compare-model-dropdown summary:focus-visible {
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.18);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .ui-optimized .hero .meta-card,
  .ui-optimized .hero .control-block input,
  .ui-optimized .hero .control-block select,
  .ui-optimized .hero .compare-block input:not([type="checkbox"]),
  .ui-optimized .hero .compare-block select:not([multiple]),
  .ui-optimized .hero .btn,
  .ui-optimized .hero .compare-model-dropdown summary,
  .ui-optimized .hero .compare-model-options,
  .ui-optimized .hero .compare-block .capsule {
    background: rgba(255, 255, 255, 0.88);
  }
}

.ui-optimized main {
  min-width: 0;
}

.ui-optimized .section {
  margin-top: 24px;
}

.ui-optimized .section-head {
  align-items: center;
  margin-bottom: 11px;
  padding: 0 2px;
}

.ui-optimized .section-title {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 20px;
  letter-spacing: -0.025em;
}

.ui-optimized .section-title::before {
  content: "";
  width: 4px;
  height: 18px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--brand), #ff6e8f);
  box-shadow: 0 3px 8px rgba(213, 0, 50, 0.18);
}

.ui-optimized .capsule {
  border-radius: 7px;
}

.ui-optimized .overview-actions .capsule-dark {
  min-height: 38px;
  border-color: #dde2e8;
  background: #f7f8fa;
  color: #5f6b7c;
}

.ui-optimized .overview-grid {
  grid-template-columns: 110px repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.ui-optimized .overview-stage-axis,
.ui-optimized .overview-card,
.ui-optimized .alert-calendar-card,
.ui-optimized .panel {
  border-color: #dde2e8;
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
}

.ui-optimized .overview-stage-axis {
  padding: 15px 9px;
  grid-template-rows: 28px auto minmax(0, 1fr);
  background: linear-gradient(180deg, #f3f5f8, #f8f9fa);
}

.ui-optimized .overview-stage-axis-list {
  grid-auto-rows: minmax(58px, auto);
  align-content: start;
  gap: 0;
}

.ui-optimized .overview-stage-axis-item {
  border-color: #e3e7ec;
  background: rgba(255, 255, 255, 0.84);
  font-size: 11px;
  min-height: 58px;
}

.ui-optimized .overview-card {
  position: relative;
  overflow: hidden;
  padding: 15px;
  background: linear-gradient(180deg, #fff 0%, #fff 78%, #fbfcfd 100%);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.ui-optimized .overview-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), rgba(213, 0, 50, 0.05) 72%);
  opacity: 0.62;
}

.ui-optimized .overview-card.is-selected,
.ui-optimized .overview-card:hover {
  border-color: rgba(213, 0, 50, 0.28);
  box-shadow: 0 11px 28px rgba(16, 24, 40, 0.1);
  transform: none;
}

.ui-optimized .model-name {
  font-size: 17px;
}

.ui-optimized .stage-funnel-shell {
  background: linear-gradient(90deg, #cbd3dd, #e3e7ec);
}

.ui-optimized .panel,
.ui-optimized .alert-calendar-card {
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.ui-optimized .panel:hover,
.ui-optimized .alert-calendar-card:hover {
  border-color: #cbd1d9;
  box-shadow: var(--shadow);
  transform: none;
}

.ui-optimized .alert-calendar-board {
  gap: 10px;
}

.ui-optimized .alert-calendar-card {
  padding: 15px;
}

.ui-optimized .alert-gantt-count {
  border: 1px solid var(--border-subtle);
  background: #f7f8fa;
}

.ui-optimized .alert-gantt-count.is-up {
  border-color: #ffdce4;
  background: #fff3f6;
}

.ui-optimized .alert-gantt-count.is-down {
  border-color: #d6f1e5;
  background: #effbf6;
}

.ui-optimized .alert-gantt-row-label {
  border-left-color: #4b5668;
  background: #f1f3f6;
}

.ui-optimized .alert-gantt-marker {
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.ui-optimized .focus-shell,
.ui-optimized .drill-shell {
  gap: 10px;
}

.ui-optimized .metric-card,
.ui-optimized .funnel-column,
.ui-optimized .delta-column {
  border-color: #dde2e8;
  border-radius: 12px;
  box-shadow: var(--shadow-xs);
}

.ui-optimized .breadcrumb {
  gap: 6px;
}

.ui-optimized .breadcrumb button,
.ui-optimized .segment-btn {
  min-height: 36px;
  border-radius: 7px;
}

.ui-optimized .drawer {
  border-left: 1px solid #dce1e7;
  background: #f7f8fa;
  box-shadow: -22px 0 50px rgba(16, 24, 40, 0.14);
}

.ui-optimized .drawer-head {
  background: #fff;
}

.ui-optimized .stage-item,
.ui-optimized .editor {
  border-color: #dde2e8;
  box-shadow: var(--shadow-xs);
}

.ui-optimized .toast {
  border-color: #dce1e7;
  box-shadow: var(--shadow-md);
}

.ui-optimized :focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

@media (max-width: 1500px) {
  .ui-optimized .hero-top {
    grid-template-columns: minmax(390px, 0.9fr) minmax(420px, 1fr);
  }

  .ui-optimized .meta-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1180px) {
  .ui-optimized .hero {
    background-image: url("图标库/nissan-relief-hero-tablet.webp");
  }

  .ui-sidebar {
    width: 76px;
    align-items: center;
    padding-inline: 10px;
  }

  .ui-sidebar-brand {
    padding: 0;
  }

  .ui-sidebar-brand > div:last-child,
  .ui-sidebar-label,
  .ui-sidebar-link span,
  .ui-sidebar-footer {
    display: none;
  }

  .ui-sidebar-nav {
    margin-top: 30px;
  }

  .ui-sidebar-link {
    width: 46px;
    justify-content: center;
    padding: 0;
  }

  .ui-optimized .app {
    margin-left: 100px;
    padding-inline: 18px;
  }

  .ui-optimized .hero-top {
    grid-template-columns: minmax(0, 1fr);
  }

  .ui-optimized .meta-strip {
    grid-template-columns: minmax(180px, 1.4fr) repeat(3, minmax(90px, 0.75fr));
  }

  .ui-optimized .overview-grid {
    grid-template-columns: 108px repeat(2, minmax(0, 1fr));
  }

  .ui-optimized .overview-stage-axis {
    grid-row: span 2;
  }
}

@media (max-width: 820px) {
  .ui-optimized .hero {
    --control-glass-blur: 8px;
    background-image: url("图标库/nissan-relief-hero-mobile.webp");
    background-size: 100% auto;
  }

  html {
    scroll-padding-top: 72px;
  }

  .ui-sidebar {
    position: sticky;
    inset: 0 auto auto;
    width: 100%;
    height: 62px;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-width: 0 0 1px;
    border-radius: 0;
    background: rgba(17, 21, 28, 0.97);
    box-shadow: 0 10px 24px rgba(16, 24, 40, 0.14);
    backdrop-filter: blur(18px);
  }

  .ui-sidebar::after {
    display: none;
  }

  .ui-sidebar-brand > div:last-child {
    display: block;
  }

  .ui-sidebar-brand-sub {
    display: none;
  }

  .ui-sidebar-nav {
    display: flex;
    gap: 3px;
    margin: 0;
  }

  .ui-sidebar-link {
    width: 40px;
    min-height: 40px;
    border-radius: 9px;
  }

  .ui-sidebar-link.is-active {
    box-shadow: inset 0 -3px 0 var(--brand-400);
  }

  .ui-optimized .app {
    margin-left: 0;
    padding: 12px 14px 40px;
  }

  .ui-optimized .hero-inner {
    padding: 17px;
  }

  .ui-optimized .hero-top {
    grid-template-columns: 1fr;
  }

  .ui-optimized .meta-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ui-optimized .action-block {
    padding-left: 0;
    border-left: 0;
  }

  .ui-optimized .alert-calendar-board {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .ui-sidebar-brand-name {
    font-size: 13px;
  }

  .ui-sidebar-mark {
    width: 34px;
    height: 34px;
  }

  .ui-sidebar-nav {
    gap: 1px;
  }

  .ui-sidebar-link {
    width: 36px;
    min-height: 36px;
  }

  .ui-sidebar-link svg {
    width: 17px;
    height: 17px;
  }

  .ui-optimized .app {
    padding: 10px 10px 34px;
  }

  .ui-optimized .hero {
    border-radius: 14px;
  }

  .ui-optimized .hero-inner {
    padding: 15px 13px;
  }

  .ui-optimized .hero h1 {
    font-size: 26px;
  }

  .ui-optimized .source-note {
    white-space: normal;
  }

  .ui-optimized .meta-card {
    min-height: 56px;
  }

  .ui-optimized .control-block,
  .ui-optimized .control-block.control-wide,
  .ui-optimized .action-block {
    flex: 1 1 100%;
  }

  .ui-optimized .action-buttons {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ui-optimized .action-buttons .btn {
    width: 100%;
  }

  .ui-optimized .compare-row {
    grid-template-columns: 1fr;
  }

  .ui-optimized .section {
    margin-top: 20px;
  }

  .ui-optimized .section-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .ui-optimized .section-title {
    font-size: 19px;
  }

  .ui-optimized .section-actions,
  .ui-optimized .overview-actions,
  .ui-optimized .alert-toolbar {
    width: 100%;
  }

  .ui-optimized .overview-grid {
    grid-template-columns: 1fr;
  }

  .ui-optimized .overview-stage-axis {
    display: none;
  }

  .ui-optimized .overview-card,
  .ui-optimized .alert-calendar-card {
    border-radius: 12px;
  }
}

@media print {
  .ui-sidebar,
  .ui-skip-link {
    display: none !important;
  }

  .ui-optimized .app {
    margin: 0;
    padding: 0;
  }
}