/* ==========================================================================
   UAU Landing — 主页样式（UAEC Design Tokens 版）
   依赖 tokens.css，本文件不出现硬编码色值/圆角/字体。
   ========================================================================== */

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background: var(--system-bg-000);
  color: var(--text-head-1);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-brand);
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

input {
  font-family: inherit;
}

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

::selection {
  background: var(--color-brand-30);
}

h1,
h2,
h3,
h4 {
  text-wrap: balance;
}

/* ===== Ambient Background ===== */
.hero-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 60% 40% at 78% -5%, var(--color-brand-10), transparent 65%),
    radial-gradient(ellipse 45% 32% at 12% 8%, var(--color-info-10), transparent 70%),
    var(--system-bg-000);
  pointer-events: none;
}

/* ===== Urgency Bar ===== */
.urgency-bar {
  background: var(--system-bg-100);
  border-bottom: 1px solid var(--system-bg-300);
  padding: var(--space-2) 0;
}

.urgency-inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.urgency-live {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  font-size: 13px;
  color: var(--color-up);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-pill);
  background: var(--color-up);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 var(--color-up-20);
  }

  50% {
    box-shadow: 0 0 0 5px transparent;
  }
}

.urgency-countdown {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.countdown-label {
  font-size: 12px;
  color: var(--text-head-3);
  margin-right: var(--space-1);
}

.countdown-block {
  display: flex;
  align-items: baseline;
  gap: 3px;
  background: var(--system-bg-200);
  border-radius: var(--radius-sm);
  padding: 3px var(--space-2);
}

.countdown-num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-brand);
  min-width: 2ch;
  text-align: center;
}

.countdown-unit {
  font-size: 11px;
  color: var(--text-head-3);
}

.urgency-limited {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 12px;
  color: var(--text-head-2);
}

.urgency-limited strong {
  color: var(--text-head-1);
  font-variant-numeric: tabular-nums;
}

.badge {
  background: var(--color-brand-10);
  color: var(--color-brand);
  font-size: 11px;
  font-weight: 600;
  padding: 2px var(--space-2);
  border-radius: var(--radius-xs);
}

/* ===== Main Nav ===== */
.main-nav {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: color-mix(in srgb, var(--system-bg-000) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-divider);
}

.nav-inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: var(--space-3) var(--page-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-head-1);
}

.nav-logo-mark {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-pill);
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 800;
  color: var(--system-bg-000);
  flex-shrink: 0;
}

.lang-toggle {
  background: transparent;
  border: 1px solid var(--system-bg-300);
  color: var(--text-head-2);
  font-size: 13px;
  padding: 5px var(--space-3);
  border-radius: var(--radius-sm);
  transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.lang-toggle:hover {
  border-color: var(--color-brand);
  color: var(--color-brand);
}

/* ===== Hero Layout ===== */
.hero {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: var(--space-10) var(--page-pad) var(--space-12);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 400px;
  gap: var(--space-12);
  align-items: start;
}

/* --- Left column --- */
.hero-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}

.tag {
  font-size: 12px;
  font-weight: 500;
  padding: 3px var(--space-3);
  border-radius: var(--radius-sm);
}

.tag-primary {
  background: var(--color-brand-10);
  color: var(--color-brand);
}

.tag-secondary {
  background: var(--system-bg-200);
  color: var(--text-head-2);
}

.hero-title-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.uau-coin {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-pill);
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-num);
  font-size: 17px;
  font-weight: 800;
  color: var(--system-bg-000);
  flex-shrink: 0;
  box-shadow: inset 0 -2px 6px rgba(0, 0, 0, 0.25), inset 0 2px 4px rgba(255, 255, 255, 0.35);
}

.hero-title-text h1 {
  font-size: 30px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text-head-1);
}

.subtitle {
  font-size: 14px;
  color: var(--text-head-3);
  margin-top: var(--space-1);
}

.hero-description {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-head-2);
  max-width: 62ch;
  margin-bottom: var(--space-5);
}

/* 锚定横幅（原内联样式收编） */
.hero-anchor-badge {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-brand-10);
  border-left: 2px solid var(--color-brand);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-6);
  width: 100%;
}

.hero-anchor-badge .anchor-icon {
  font-size: 15px;
  line-height: 1;
}

.hero-anchor-badge .anchor-text {
  color: var(--color-brand);
  font-size: 14px;
  font-weight: 600;
}

/* --- Value Panel --- */
.value-panel {
  background: var(--system-bg-100);
  border: 1px solid var(--system-bg-300);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-5) var(--space-4);
}

.value-panel-header {
  margin-bottom: var(--space-4);
}

.value-panel-title-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.value-panel-icon {
  color: var(--color-brand);
  font-size: 12px;
}

.value-panel-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-head-1);
}

.value-panel-sub {
  font-size: 12px;
  color: var(--text-head-3);
  margin-top: 2px;
}

.value-prices {
  display: flex;
  align-items: stretch;
  gap: var(--space-3);
}

.price-block {
  flex: 1;
  background: var(--system-bg-200);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.price-block.current {
  border: 1px solid var(--color-brand-30);
}

.price-block.reference {
  border: 1px solid var(--system-bg-300);
}

.price-block-label {
  font-size: 12px;
  color: var(--text-head-3);
  margin-bottom: var(--space-1);
}

.price-block-value {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.2;
}

.price-block.current .price-block-value {
  color: var(--color-brand);
}

.price-block.reference .price-block-value {
  color: var(--text-head-1);
}

.price-block-suffix {
  font-size: 11px;
  color: var(--text-head-3);
  margin-top: auto;
  padding-top: 2px;
}

.price-arrow {
  align-self: center;
  color: var(--text-head-3);
  font-size: 16px;
  flex-shrink: 0;
}

.growth-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-3);
  padding: var(--space-2) var(--space-4);
  background: var(--color-up-10);
  border-radius: var(--radius-sm);
}

.growth-label {
  font-size: 13px;
  color: var(--text-head-2);
}

.growth-value {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-up);
  white-space: nowrap;
  flex-shrink: 0;
}

.price-disclaimer {
  text-align: center;
  margin-top: var(--space-3);
  font-size: 11px;
  color: var(--text-body-2);
}

/* ===== Purchase Card ===== */
.hero-right {
  position: sticky;
  top: 76px;
}

.purchase-card {
  background: var(--system-bg-100);
  border: 1px solid var(--system-bg-300);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
}

.purchase-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.purchase-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-head-1);
}

.history-link {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 13px;
  color: var(--text-head-3);
  transition: color var(--dur-fast) var(--ease-out);
}

.history-link:hover {
  color: var(--color-brand);
}

.input-group {
  margin-bottom: var(--space-4);
}

.input-wrapper {
  display: flex;
  align-items: center;
  background: var(--system-bg-200);
  border: 1px solid var(--system-bg-300);
  border-radius: var(--radius-sm);
  padding: 0 var(--space-3);
  transition: border-color var(--dur-fast) var(--ease-out);
}

.input-wrapper:focus-within {
  border-color: var(--color-brand);
}

.input-wrapper input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-head-1);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  padding: var(--space-3) 0;
}

.input-wrapper input::placeholder {
  color: var(--text-body-2);
}

/* 隐藏 number 输入的原生步进箭头 */
.input-wrapper input[type="number"]::-webkit-outer-spin-button,
.input-wrapper input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

.input-wrapper input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

.token-badge {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-head-1);
  flex-shrink: 0;
  padding-left: var(--space-3);
  border-left: 1px solid var(--system-bg-300);
}

.token-icon {
  width: 20px;
  height: 20px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
}

.token-icon.usdt {
  background: var(--color-up);
  color: var(--text-head-1);
}

.token-icon.uau {
  background: var(--gradient-brand);
  color: var(--system-bg-000);
}

.input-helper {
  font-size: 12px;
  color: var(--text-head-3);
  margin-top: var(--space-1);
  text-align: right;
}

.exchange-rate-indicator {
  text-align: right;
  color: var(--text-head-2);
  font-size: 12px;
  margin: calc(-1 * var(--space-2)) 0 var(--space-4);
  padding-right: var(--space-1);
}

.exchange-rate-indicator .rate-value {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  color: var(--color-brand);
  font-weight: 600;
}

.btn-subscribe {
  width: 100%;
  background: var(--color-brand);
  color: var(--system-bg-000);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  padding: var(--space-3) 0;
  transition: filter var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}

.btn-subscribe:hover {
  filter: brightness(1.08);
}

.btn-subscribe:active {
  transform: scale(0.98);
}

/* --- Progress & Supply --- */
.progress-section {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-divider);
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-2);
}

.progress-label {
  font-size: 13px;
  color: var(--text-head-2);
}

.progress-value {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-brand);
}

.progress-bar-bg {
  height: 6px;
  background: var(--system-bg-200);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  width: 0;
  background: var(--gradient-brand);
  border-radius: var(--radius-pill);
  transition: width 1.2s var(--ease-out);
}

.supply-fomo {
  margin-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.supply-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 12px;
  color: var(--text-head-3);
}

.supply-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-pill);
  flex-shrink: 0;
}

.sold-dot {
  background: var(--color-brand);
}

.remaining-dot {
  background: var(--system-bg-300);
}

.supply-num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--text-head-1);
}

.supply-hot {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-down-15);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--text-head-1);
}

.hot-badge {
  font-size: 12px;
  line-height: 1;
}

.sale-dates {
  margin-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.sale-date {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
}

.date-label {
  color: var(--text-head-3);
}

.date-value {
  color: var(--text-head-2);
  font-variant-numeric: tabular-nums;
}

/* ===== Live Ticker（当前 display:none，保留样式）===== */
.live-ticker {
  background: var(--system-bg-100);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  overflow: hidden;
  white-space: nowrap;
  padding: var(--space-2) 0;
}

.ticker-inner {
  display: inline-block;
  animation: ticker-scroll 40s linear infinite;
}

@keyframes ticker-scroll {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

.ticker-item {
  font-size: 12px;
  color: var(--text-head-2);
  padding: 0 var(--space-4);
}

.ticker-divider {
  color: var(--system-bg-300);
}

/* ===== Tabs Section ===== */
.tabs-section {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-pad) var(--space-16);
}

.tabs-nav {
  display: flex;
  gap: var(--space-6);
  border-bottom: 1px solid var(--system-bg-300);
  margin-bottom: var(--space-8);
  overflow-x: auto;
  scrollbar-width: none;
  position: sticky;
  top: 53px;
  background: color-mix(in srgb, var(--system-bg-000) 92%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: var(--z-sticky);
}

.tabs-nav::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-head-3);
  font-size: 14px;
  font-weight: 500;
  padding: var(--space-3) 0;
  white-space: nowrap;
  position: relative;
  transition: color var(--dur-fast) var(--ease-out);
  flex-shrink: 0;
}

.tab-btn:hover {
  color: var(--text-head-1);
}

.tab-btn.active {
  color: var(--text-head-1);
  font-weight: 600;
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--color-brand);
  border-radius: var(--radius-xs) var(--radius-xs) 0 0;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* ===== Chart Section ===== */
.chart-section {
  background: var(--system-bg-100);
  border: 1px solid var(--system-bg-300);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
}

.chart-header {
  margin-bottom: var(--space-5);
}

.chart-header h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-head-1);
}

.chart-header p {
  font-size: 13px;
  color: var(--text-head-3);
  margin-top: var(--space-1);
}

.chart-with-stages {
  display: flex;
  gap: var(--space-4);
  align-items: stretch;
}

/* --- Stage Sidebar --- */
.stage-sidebar {
  width: 240px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-2);
}

.stage-marker {
  background: var(--system-bg-200);
  border: 1px solid var(--system-bg-300);
  border-left: 2px solid var(--system-bg-300);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

@media (hover: hover) {
  .stage-marker:hover {
    border-color: var(--color-brand-30);
  }
}

.stage-marker.active {
  border-color: var(--color-brand);
  background: var(--color-brand-10);
}

.stage-line {
  display: none;
}

.stage-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.entry-point-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-brand);
}

.stage-price-label {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-head-1);
}

.stage-marker.active .stage-price-label {
  color: var(--color-brand);
}

.stage-name {
  font-size: 12px;
  color: var(--text-head-2);
}

.stage-equiv {
  font-size: 11px;
  color: var(--text-head-3);
  font-variant-numeric: tabular-nums;
}

.annotation-tag {
  align-self: flex-start;
  font-size: 10px;
  font-weight: 500;
  padding: 1px var(--space-2);
  border-radius: var(--radius-xs);
  margin-top: 2px;
}

.annotation-tag.current {
  background: var(--color-brand-16);
  color: var(--color-brand);
}

.annotation-tag.planned {
  background: var(--color-info-10);
  color: var(--color-info);
}

.annotation-tag.upcoming {
  background: var(--color-up-10);
  color: var(--color-up);
}

.annotation-tag.target {
  background: var(--system-bg-300);
  color: var(--text-head-2);
}

/* --- Chart Container --- */
.chart-container {
  flex: 1;
  min-width: 0;
  position: relative;
  height: 520px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--system-bg-000);
  border: 1px solid var(--system-bg-300);
}

.chart-widget {
  width: 100%;
  height: 100%;
}

.chart-overlay-arrows {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.chart-price-line {
  position: absolute;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out), bottom 0.4s var(--ease-out);
}

.chart-price-line.active {
  opacity: 1;
}

.price-line-label {
  display: flex;
  flex-direction: column;
  background: color-mix(in srgb, var(--system-bg-100) 92%, transparent);
  border: 1px solid var(--color-brand-30);
  border-radius: var(--radius-sm);
  padding: 2px var(--space-2);
  margin-left: var(--space-2);
  flex-shrink: 0;
}

.price-line-name {
  font-size: 11px;
  color: var(--text-head-1);
  white-space: nowrap;
}

.price-line-price {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-brand);
}

.price-line-dash {
  flex: 1;
  border-top: 1px dashed var(--color-brand);
  opacity: 0.7;
  margin: 0 var(--space-2);
}

/* ===== Value Props ===== */
.value-props {
  margin-top: var(--space-8);
}

.value-props-header {
  margin-bottom: var(--space-5);
}

.value-props-header h2 {
  font-size: 20px;
  font-weight: 600;
}

.props-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}

.prop-card {
  background: var(--system-bg-100);
  border: 1px solid var(--system-bg-300);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: border-color var(--dur-fast) var(--ease-out), transform var(--dur-base) var(--ease-out);
}

@media (hover: hover) {
  .prop-card:hover {
    border-color: var(--color-brand-30);
    transform: translateY(-2px);
  }
}

.prop-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--system-bg-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: var(--space-3);
}

.prop-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-head-1);
  margin-bottom: var(--space-1);
}

.prop-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-head-2);
}

/* ===== Intro Sections ===== */
.intro-section {
  margin-bottom: var(--space-10);
}

.intro-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-10);
  align-items: center;
}

.intro-block.reverse .intro-text {
  order: 2;
}

.intro-block.reverse .intro-visual {
  order: 1;
}

.intro-text h2 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.intro-text p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-head-2);
  margin-bottom: var(--space-3);
  max-width: 62ch;
}

.comparison-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.comparison-item {
  background: var(--system-bg-100);
  border: 1px solid var(--system-bg-300);
  border-left: 2px solid var(--color-brand);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
}

.comparison-item h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-brand);
  margin-bottom: 2px;
}

.comparison-item p {
  font-size: 13px;
  color: var(--text-head-2);
  margin: 0;
}

.map-container {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--system-bg-300);
  line-height: 0;
}

.map-container iframe {
  filter: saturate(0.7) contrast(1.02);
}

.map-label {
  position: absolute;
  left: var(--space-3);
  bottom: var(--space-3);
  background: color-mix(in srgb, var(--system-bg-000) 85%, transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--system-bg-300);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-3);
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-head-1);
}

/* --- Reserve Card --- */
.reserve-card {
  background: var(--system-bg-100);
  border: 1px solid var(--system-bg-300);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
}

.reserve-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.gold-bar-icon {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.gold-bar-icon .bar {
  height: 8px;
  border-radius: var(--radius-xs);
  background: var(--gradient-brand);
}

.gold-bar-icon .bar-1 {
  width: 34px;
}

.gold-bar-icon .bar-2 {
  width: 28px;
}

.gold-bar-icon .bar-3 {
  width: 22px;
}

.verified-badge {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-up);
  background: var(--color-up-10);
  padding: 3px var(--space-3);
  border-radius: var(--radius-sm);
}

.reserve-amount {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}

.reserve-number {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 36px;
  font-weight: 700;
  color: var(--color-brand);
  line-height: 1.1;
}

.reserve-unit {
  font-size: 14px;
  color: var(--text-head-3);
}

.reserve-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.reserve-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  font-size: 13px;
}

.reserve-detail-row.align-start {
  align-items: flex-start;
}

.detail-label {
  color: var(--text-head-3);
  flex-shrink: 0;
}

.detail-value {
  color: var(--text-head-1);
  font-weight: 500;
}

.detail-value.text-right {
  text-align: right;
}

.detail-value.text-primary {
  color: var(--color-brand);
}

.detail-text-stack {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: right;
  min-width: 0;
}

.detail-sub {
  font-size: 11px;
  line-height: 1.6;
  color: var(--text-head-3);
}

/* ===== Staking Journey ===== */
.staking-journey {
  display: flex;
  flex-direction: column;
}

.staking-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.staking-header h2 {
  font-size: 22px;
  font-weight: 600;
}

.staking-header p {
  font-size: 14px;
  color: var(--text-head-3);
  margin-top: var(--space-1);
}

.staking-flow-modern {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--space-10);
}

.staking-top-node {
  background: var(--system-bg-100);
  border: 1px solid var(--system-bg-300);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
  text-align: center;
}

.step-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-brand-10);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin: 0 auto var(--space-3);
}

.staking-top-node h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.staking-highlights-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-3);
  text-align: left;
}

.hl-item {
  display: flex;
  gap: var(--space-2);
  background: var(--system-bg-200);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  font-size: 13px;
  line-height: 1.7;
}

.hl-item strong {
  color: var(--text-head-1);
}

.hl-icon {
  font-size: 14px;
  flex-shrink: 0;
  line-height: 1.7;
}

.hl-sub {
  color: var(--text-head-2);
  font-size: 12px;
}

/* --- Flow Connectors --- */
.flow-connectors {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-2) 0;
}

.flow-line-vertical {
  width: 1px;
  height: 24px;
  background: var(--system-bg-300);
}

.flow-line-horizontal {
  width: min(70%, 560px);
  border-top: 1px solid var(--system-bg-300);
  display: flex;
  justify-content: space-between;
  position: relative;
}

.flow-arrow-down {
  color: var(--text-head-3);
  font-size: 10px;
  transform: translateY(2px);
}

.flow-instruction {
  margin-top: var(--space-3);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-brand);
  background: var(--color-brand-10);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-pill);
}

/* --- Exit Choices --- */
.exit-choices-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  max-width: 760px;
  width: 100%;
  margin: var(--space-5) auto 0;
}

.exit-choice-card {
  background: var(--system-bg-100);
  border: 1px solid var(--system-bg-300);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-out), transform var(--dur-base) var(--ease-out);
}

@media (hover: hover) {
  .exit-choice-card:hover {
    transform: translateY(-2px);
  }

  .gold-choice:hover {
    border-color: var(--color-brand);
  }

  .usdt-choice:hover {
    border-color: var(--color-up);
  }
}

.gold-choice.active {
  border-color: var(--color-brand);
}

.usdt-choice.active {
  border-color: var(--color-up);
}

.choice-icon {
  font-size: 24px;
  margin-bottom: var(--space-2);
}

.exit-choice-card h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.exit-choice-card p {
  font-size: 13px;
  color: var(--text-head-2);
  line-height: 1.7;
}

/* ===== Burn Simulator ===== */
.burn-simulator {
  background: var(--system-bg-100);
  border: 1px solid var(--system-bg-300);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}

.burn-header {
  text-align: center;
  margin-bottom: var(--space-5);
}

.burn-header h3 {
  font-size: 18px;
  font-weight: 600;
}

.burn-header p {
  font-size: 13px;
  color: var(--text-head-3);
  margin-top: var(--space-1);
}

.burn-input-row {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-6);
}

.burn-input-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  width: min(100%, 320px);
}

.burn-input-wrap label {
  font-size: 12px;
  color: var(--text-head-3);
}

.burn-input {
  background: var(--system-bg-200);
  border: 1px solid var(--system-bg-300);
  border-radius: var(--radius-sm);
  color: var(--text-head-1);
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 18px;
  font-weight: 600;
  padding: var(--space-2) var(--space-3);
  outline: none;
  transition: border-color var(--dur-fast) var(--ease-out);
}

.burn-input:focus {
  border-color: var(--color-brand);
}

.burn-input-hint {
  font-size: 11px;
  color: var(--text-body-2);
}

.burn-paths-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-5);
  align-items: stretch;
}

.burn-path-col {
  background: var(--system-bg-200);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
}

.burn-path-col.gold-col {
  border: 1px solid var(--color-brand-30);
}

.burn-path-col.usdt-col {
  border: 1px solid var(--color-up-20);
}

.burn-path-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.burn-path-icon {
  font-size: 18px;
}

.burn-path-header h4 {
  font-size: 15px;
  font-weight: 600;
}

.burn-path-desc {
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-head-2);
  margin-bottom: var(--space-3);
}

.burn-flow-arrow {
  text-align: center;
  color: var(--text-head-3);
  font-size: 10px;
  margin-bottom: var(--space-3);
}

.burn-result-block {
  background: var(--system-bg-100);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  text-align: center;
  margin-bottom: var(--space-3);
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.burn-result-main {
  margin-bottom: var(--space-2);
}

.burn-result-tag {
  display: block;
  font-size: 12px;
  color: var(--text-head-3);
  margin-bottom: var(--space-1);
}

.burn-result-value {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 28px;
  font-weight: 700;
  color: var(--color-brand);
  line-height: 1.2;
}

.burn-result-value.burn-usdt-value {
  color: var(--color-up);
}

.burn-result-sub {
  font-size: 12px;
  color: var(--text-head-3);
  margin-top: 2px;
}

.burn-result-cost-info {
  font-size: 11px;
  line-height: 1.7;
  color: var(--text-head-3);
}

.burn-aisc-highlight {
  color: var(--color-brand-deep);
}

.burn-path-badge {
  align-self: center;
  font-size: 12px;
  font-weight: 600;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-pill);
}

.burn-path-badge.gold-badge {
  background: var(--color-brand-10);
  color: var(--color-brand);
}

.burn-path-badge.usdt-badge {
  background: var(--color-up-10);
  color: var(--color-up);
}

.burn-paths-divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-head-3);
  font-size: 12px;
}

.divider-line {
  flex: 1;
  width: 1px;
  background: var(--system-bg-300);
}

.burn-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

.staking-social-proof {
  font-size: 13px;
  color: var(--text-head-2);
}

.staking-social-proof strong {
  color: var(--color-brand);
  font-variant-numeric: tabular-nums;
}

.calc-disclaimer {
  font-size: 11px;
  color: var(--text-body-2);
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--color-divider);
  background: var(--system-bg-100);
}

.footer-inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: var(--space-8) var(--page-pad);
}

.footer-disclaimer {
  font-size: 12px;
  line-height: 1.8;
  color: var(--text-head-3);
  max-width: 88ch;
  margin-bottom: var(--space-4);
}

.footer-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer-rights {
  font-size: 12px;
  color: var(--text-body-2);
}

.btn-admin-config {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background: transparent;
  border: 1px solid var(--system-bg-300);
  color: var(--text-head-3);
  font-size: 12px;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.btn-admin-config:hover {
  border-color: var(--color-brand);
  color: var(--color-brand);
}

/* ===== Bot Config Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: var(--color-mask);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-base) var(--ease-out), visibility var(--dur-base) var(--ease-out);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--system-bg-100);
  border: 1px solid var(--system-bg-300);
  border-radius: var(--radius-lg);
  width: min(100%, 460px);
  max-height: 86vh;
  overflow-y: auto;
  box-shadow: var(--shadow-pop);
  transform: translateY(8px);
  transition: transform var(--dur-base) var(--ease-out);
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-divider);
  position: sticky;
  top: 0;
  background: var(--system-bg-100);
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.close-modal {
  background: transparent;
  border: none;
  color: var(--text-head-3);
  font-size: 22px;
  line-height: 1;
  padding: 0 var(--space-1);
  transition: color var(--dur-fast) var(--ease-out);
}

.close-modal:hover {
  color: var(--text-head-1);
}

.modal-body {
  padding: var(--space-5);
}

.config-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.config-row.space-between {
  justify-content: space-between;
}

.config-group {
  margin-bottom: var(--space-4);
}

.config-label {
  display: block;
  font-size: 13px;
  color: var(--text-head-2);
  margin-bottom: var(--space-2);
}

.inputs-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.config-input {
  flex: 1;
  min-width: 0;
  background: var(--system-bg-200);
  border: 1px solid var(--system-bg-300);
  border-radius: var(--radius-sm);
  color: var(--text-head-1);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  padding: var(--space-2) var(--space-3);
  outline: none;
  transition: border-color var(--dur-fast) var(--ease-out);
  color-scheme: dark;
}

.config-input:focus {
  border-color: var(--color-brand);
}

.config-input.full-width {
  width: 100%;
}

.separator {
  color: var(--text-head-3);
}

.btn-primary {
  background: var(--color-brand);
  color: var(--system-bg-000);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  padding: var(--space-3) var(--space-5);
  transition: filter var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-primary.full-width {
  width: 100%;
}

/* --- Toggle Switch --- */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-switch .slider {
  position: absolute;
  inset: 0;
  background: var(--system-bg-300);
  transition: background var(--dur-base) var(--ease-out);
}

.toggle-switch .slider.round {
  border-radius: var(--radius-pill);
}

.toggle-switch .slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  top: 3px;
  border-radius: var(--radius-pill);
  background: var(--text-head-1);
  transition: transform var(--dur-base) var(--ease-out);
}

.toggle-switch input:checked+.slider {
  background: var(--color-brand);
}

.toggle-switch input:checked+.slider::before {
  transform: translateX(20px);
}

.bot-explanation {
  margin-top: var(--space-5);
  padding: var(--space-4);
  background: var(--system-bg-200);
  border-radius: var(--radius-sm);
}

.bot-explanation h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-head-2);
  margin-bottom: var(--space-2);
}

.bot-explain-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.bot-explain-list li {
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-head-3);
  padding-left: var(--space-3);
  position: relative;
}

.bot-explain-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 4px;
  height: 4px;
  border-radius: var(--radius-pill);
  background: var(--system-bg-300);
}

/* ===== Scroll Animations ===== */
.fade-in-up {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

/* --- ≤1024px：单列 hero、图表纵向堆叠 --- */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }

  .hero-right {
    position: static;
    max-width: 560px;
    width: 100%;
    margin: 0 auto;
  }

  .chart-with-stages {
    flex-direction: column;
  }

  .stage-sidebar {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
  }

  /* 桌面纵排为价格从高到低；小屏改按阶段顺序 1→4 */
  .stage-marker-4 {
    order: 4;
  }

  .stage-marker-3 {
    order: 3;
  }

  .stage-marker-2 {
    order: 2;
  }

  .stage-marker-1 {
    order: 1;
  }

  /* 纵向 flex 里 flex:1 的 basis:0 会压扁固定高度，需还原 */
  .chart-container {
    flex: none;
    height: 420px;
  }

  .props-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .intro-block {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .intro-block.reverse .intro-text {
    order: 1;
  }

  .intro-block.reverse .intro-visual {
    order: 2;
  }

  .staking-highlights-grid {
    grid-template-columns: 1fr;
  }
}

/* --- ≤768px：紧凑导航、堆叠面板 --- */
@media (max-width: 768px) {
  :root {
    --page-pad: var(--page-pad-m);
  }

  .urgency-inner {
    justify-content: center;
    row-gap: var(--space-2);
  }

  .urgency-limited {
    display: none;
  }

  .hero-title-row {
    gap: var(--space-3);
  }

  .uau-coin {
    width: 52px;
    height: 52px;
    font-size: 14px;
  }

  .hero-title-text h1 {
    font-size: 24px;
  }

  .tabs-nav {
    gap: var(--space-5);
    top: 52px;
  }

  .chart-section {
    padding: var(--space-4);
  }

  .chart-container {
    height: 340px;
  }

  .burn-paths-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .burn-paths-divider {
    flex-direction: row;
    width: 100%;
  }

  .divider-line {
    height: 1px;
    width: auto;
  }

  .exit-choices-row {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .burn-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .footer-bottom-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* --- ≤480px：小屏细节 --- */
@media (max-width: 480px) {
  .countdown-label {
    display: none;
  }

  .value-prices {
    flex-direction: column;
  }

  .price-arrow {
    transform: rotate(90deg);
  }

  .props-grid {
    grid-template-columns: 1fr;
  }

  .stage-sidebar {
    grid-template-columns: 1fr;
  }

  .purchase-card {
    padding: var(--space-4);
  }

  .chart-container {
    height: 300px;
  }

  .hero-title-text h1 {
    font-size: 21px;
  }

  .staking-top-node,
  .burn-simulator {
    padding: var(--space-4);
  }
}