/**
 * TRON 工具箱 - 全局样式
 */

:root {
  --tron-red: #c23631;
  --tron-dark: #1a1f2e;
  --tron-card: #232a3b;
  --tron-border: #2f3848;
  --tron-text: #e8edf4;
  --tron-muted: #8b9cb3;
  --tron-nav: #121722;
}

/* ── 基础布局 ── */

body {
  background-color: var(--tron-dark);
  color: var(--tron-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-size: 0.95rem;
  line-height: 1.6;
}

main,
.site-main {
  flex: 1;
  padding-top: 1.5rem;
  padding-bottom: 2.5rem;
}

/* ── 导航栏 ── */

.site-nav {
  background-color: var(--tron-nav) !important;
  border-bottom: 1px solid var(--tron-border);
}

.site-nav .navbar-brand {
  font-size: 1.1rem;
}

.site-nav .nav-link {
  color: var(--tron-muted);
  padding: 0.5rem 0.85rem;
  font-size: 0.9rem;
}

.site-nav .nav-link:hover,
.site-nav .nav-link.active,
.site-nav .nav-link.show {
  color: var(--tron-text);
}

.site-nav-flat {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.15rem 0.35rem;
}

.site-nav-flat .nav-link {
  white-space: nowrap;
  padding: 0.45rem 0.65rem;
  font-size: 0.875rem;
}

@media (min-width: 992px) {
  .site-nav-flat {
    flex-wrap: nowrap;
  }
}

.site-nav .dropdown-menu-dark {
  background-color: var(--tron-card);
  border-color: var(--tron-border);
}

.site-nav .dropdown-item {
  color: var(--tron-muted);
  font-size: 0.875rem;
}

.site-nav .dropdown-item:hover,
.site-nav .dropdown-item.active {
  background-color: rgba(194, 54, 49, 0.15);
  color: var(--tron-text);
}

/* ── 页面 Hero ── */

.page-hero {
  text-align: center;
  padding: 1.5rem 0 2rem;
  margin-bottom: 0.5rem;
}

.page-hero h1 {
  font-size: 1.85rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.page-hero .lead,
.page-hero p {
  color: var(--tron-muted);
  max-width: 680px;
  margin: 0 auto;
  font-size: 1rem;
}

/* ── 工具卡片 ── */

.tools-section {
  margin-bottom: 2.5rem;
}

.tool-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%;
}

.tool-card-link:hover {
  color: inherit;
}

.tool-card {
  background-color: var(--tron-card);
  border: 1px solid var(--tron-border);
  border-radius: 0.75rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.tool-card-link:hover .tool-card {
  border-color: rgba(194, 54, 49, 0.5);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.tool-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.icon-usdt  { background: rgba(34, 197, 94, 0.12); color: #22c55e; }
.icon-trx   { background: rgba(59, 130, 246, 0.12); color: #3b82f6; }
.icon-energy { background: rgba(168, 85, 247, 0.12); color: #a855f7; }
.icon-fee   { background: rgba(234, 179, 8, 0.12); color: #eab308; }
.icon-token { background: rgba(20, 184, 166, 0.12); color: #14b8a6; }

.tool-card .card-title {
  color: var(--tron-text);
  font-weight: 600;
}

.tool-card .card-text {
  color: var(--tron-muted);
  font-size: 0.875rem;
  line-height: 1.55;
}

.tool-card-action {
  color: var(--tron-red);
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 0.75rem;
}

/* ── 介绍区域 ── */

.intro-section {
  margin-bottom: 2.5rem;
}

.intro-box {
  background-color: var(--tron-card);
  border: 1px solid var(--tron-border);
  border-radius: 0.75rem;
  padding: 1.5rem 1.75rem;
}

.intro-box h2 {
  color: var(--tron-text);
  font-weight: 600;
}

.intro-box p {
  color: var(--tron-muted);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ── FAQ ── */

.faq-section {
  margin-top: 1rem;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--tron-text);
}

.faq-accordion .accordion-item {
  background-color: var(--tron-card);
  border: 1px solid var(--tron-border);
  margin-bottom: 0.5rem;
  border-radius: 0.5rem !important;
  overflow: hidden;
}

.faq-accordion .accordion-button {
  background-color: var(--tron-card);
  color: var(--tron-text);
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: none;
}

.faq-accordion .accordion-button:not(.collapsed) {
  background-color: rgba(194, 54, 49, 0.08);
  color: var(--tron-text);
}

.faq-accordion .accordion-button::after {
  filter: invert(0.7);
}

.faq-accordion .accordion-body {
  color: var(--tron-muted);
  font-size: 0.9rem;
  line-height: 1.65;
  border-top: 1px solid var(--tron-border);
}

/* ── 通用卡片 ── */

.card {
  background-color: var(--tron-card);
  border-color: var(--tron-border);
}

.card-title {
  color: var(--tron-text);
}

.card-text {
  color: var(--tron-muted);
}

/* ── 表单 ── */

.form-control,
.form-select {
  background-color: #1a1f2e;
  border-color: var(--tron-border);
  color: var(--tron-text);
}

.form-control:focus,
.form-select:focus {
  background-color: #1a1f2e;
  border-color: #3b82f6;
  color: var(--tron-text);
  box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
}

.form-control::placeholder {
  color: #5a6a7e;
}

.form-label {
  color: var(--tron-muted);
  font-size: 0.875rem;
}

/* ── 按钮 ── */

.btn-tron {
  background-color: var(--tron-red);
  border-color: var(--tron-red);
  color: #fff;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
}

.btn-tron:hover,
.btn-tron:focus {
  background-color: #a82d29;
  border-color: #a82d29;
  color: #fff;
}

.btn-tron:disabled {
  opacity: 0.65;
}

/* ── 结果展示 ── */

.result-box {
  background-color: var(--tron-card);
  border: 1px solid var(--tron-border);
  border-radius: 0.5rem;
  padding: 1.25rem;
}

.stat-item {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--tron-border);
}

.stat-item:last-child {
  border-bottom: none;
}

.stat-label {
  color: var(--tron-muted);
  font-size: 0.875rem;
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 700;
}

.text-trx   { color: #3b82f6; }
.text-usdt  { color: #22c55e; }
.text-energy { color: #a855f7; }

/* ── 地址历史下拉 ── */

.addr-history-wrap {
  position: relative;
}

.addr-history-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  z-index: 1050;
  max-height: 280px;
  overflow-y: auto;
  background: #161d2b;
  border: 1px solid var(--tron-border);
  border-radius: 0.5rem;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}

.addr-history-list {
  list-style: none;
  margin: 0;
  padding: 0.35rem 0;
}

.addr-history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.55rem 0.85rem;
  cursor: pointer;
  color: var(--tron-text);
  font-family: Consolas, Monaco, monospace;
  font-size: 0.88rem;
  transition: background-color 0.12s ease;
}

.addr-history-item:hover {
  background: rgba(59, 130, 246, 0.12);
}

.addr-history-text {
  flex: 1;
  min-width: 0;
  word-break: break-all;
  white-space: normal;
  line-height: 1.35;
}

.addr-history-remove {
  flex-shrink: 0;
  border: none;
  background: transparent;
  color: var(--tron-muted);
  padding: 0.1rem 0.35rem;
  border-radius: 0.25rem;
  line-height: 1;
  opacity: 0.7;
}

.addr-history-remove:hover {
  color: #fca5a5;
  background: rgba(239, 68, 68, 0.12);
  opacity: 1;
}

/* ── USDT 地址查询页 ── */

.tool-form-card .form-control-lg {
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
}

.stat-card {
  border: 1px solid var(--tron-border);
  background-color: var(--tron-card);
}

.stat-card .stat-label {
  color: var(--tron-muted);
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

.stat-card .stat-value {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
}

.stat-card .stat-value small {
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0.8;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.info-label {
  color: var(--tron-muted);
  font-size: 0.8rem;
}

.info-value {
  color: var(--tron-text);
  font-weight: 600;
  font-size: 0.95rem;
}

.result-section {
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.bg-success-subtle {
  background-color: rgba(34, 197, 94, 0.15) !important;
}

.bg-danger-subtle {
  background-color: rgba(239, 68, 68, 0.15) !important;
}

.alert-danger {
  background-color: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.alert-warning {
  background-color: rgba(234, 179, 8, 0.1);
  border-color: rgba(234, 179, 8, 0.3);
  color: #fde68a;
}

.alert-secondary {
  background-color: var(--tron-card);
  border-color: var(--tron-border);
  color: var(--tron-muted);
}

.card-header {
  color: var(--tron-text);
}

/* ── USDT 地址查询完整版 ── */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

@media (max-width: 960px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
  }

  .stat-card .stat-label {
    font-size: 0.7rem;
    margin-bottom: 0.35rem;
  }

  .stat-card .stat-value {
    font-size: 1.05rem;
  }

  .stat-card .stat-value.stat-pending {
    font-size: 0.85rem !important;
  }
}

.stat-card .stat-label {
  font-size: 0.78rem;
  margin-bottom: 0.5rem;
}

.stat-card .stat-value {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.25;
}

.stat-pending {
  color: var(--tron-muted) !important;
  font-size: 1rem !important;
  font-weight: 500 !important;
  animation: statPulse 1.5s ease-in-out infinite;
}

@keyframes statPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

.text-stat-red { color: #ef4444 !important; }
.text-stat-teal { color: #14b8a6 !important; }

[hidden].loading-overlay,
[hidden].hash-modal {
  display: none !important;
}

.tx-panel {
  border: 1px solid #2a3344;
  overflow: hidden;
  background-color: #161d2b;
}

.tx-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  background: transparent;
  border-bottom: 1px solid var(--tron-border);
}

.tx-panel-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.tx-tab {
  border-color: var(--tron-border) !important;
  color: var(--tron-muted);
}

.tx-tab.active {
  background-color: #3b82f6 !important;
  border-color: #3b82f6 !important;
  color: #fff !important;
}

.usdt-summary {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--tron-border);
  background: rgba(0, 0, 0, 0.12);
  font-size: 0.9rem;
  color: var(--tron-muted);
}

.tx-toolbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--tron-border);
}

.filter-group .filter-btn.active {
  background-color: rgba(59, 130, 246, 0.15);
  border-color: #3b82f6;
  color: #3b82f6;
}

.search-tx {
  flex: 1;
  min-width: 180px;
}

.table-dark-custom {
  --bs-table-bg: var(--tron-card);
  --bs-table-border-color: var(--tron-border);
  color: var(--tron-text);
}

/* 交易记录表格 — 对齐 usdt.php 深色风格 */
.tx-table-wrap {
  background-color: #0f1520;
}

.table-tx-list {
  --bs-table-bg: #0f1520;
  --bs-table-color: #e8edf4;
  --bs-table-border-color: #2a3344;
  --bs-table-hover-color: #e8edf4;
  --bs-table-hover-bg: rgba(255, 255, 255, 0.03);
  margin-bottom: 0;
  background-color: #0f1520;
  color: #e8edf4;
  font-size: 0.88rem;
  border-collapse: collapse;
}

.table-tx-list > :not(caption) > * > * {
  background-color: #0f1520 !important;
  color: #e8edf4;
  box-shadow: none;
  border-bottom: 1px solid #2a3344;
}

.table-tx-list thead th {
  background-color: rgba(0, 0, 0, 0.15) !important;
  color: #8b9cb3 !important;
  font-weight: 600;
  font-size: 0.8rem;
  padding: 14px 16px;
  white-space: nowrap;
  border-bottom: 1px solid #2a3344 !important;
}

.table-tx-list tbody td {
  color: #e8edf4 !important;
  padding: 14px 16px;
  vertical-align: middle;
  border-bottom: 1px solid #2a3344 !important;
}

.table-tx-list tbody tr:hover td {
  background-color: rgba(255, 255, 255, 0.03) !important;
}

.table-tx-list .addr-cell {
  display: inline-flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 0.35rem;
  max-width: 100%;
}

.table-tx-list .tx-addr {
  color: #e8edf4 !important;
  font-family: Consolas, Monaco, monospace;
  font-size: 0.78rem;
  white-space: nowrap;
}

.table-tx-list .tx-addr-click {
  cursor: pointer;
}

.table-tx-list .tx-addr-click:hover {
  color: #60a5fa !important;
}

.table-tx-list .tx-addr.addr-expanded {
  max-width: none;
  white-space: normal;
  word-break: break-all;
  overflow: visible;
}

.table-tx-list .addr-copy-btn {
  flex-shrink: 0;
  opacity: 0;
  visibility: hidden;
  padding: 0.15rem 0.4rem;
  font-size: 0.7rem;
  line-height: 1;
  transition: opacity 0.15s ease, visibility 0.15s ease;
}

.table-tx-list .addr-cell:hover .addr-copy-btn,
.table-tx-list .addr-cell:focus-within .addr-copy-btn {
  opacity: 1;
  visibility: visible;
}

.table-tx-list td.text-nowrap {
  color: #e8edf4 !important;
}

.table-tx-list .amount-in {
  color: #22c55e !important;
  font-weight: 700;
}

.table-tx-list .amount-out {
  color: #ef4444 !important;
  font-weight: 700;
}

.table-tx-list .hash-cell {
  display: inline-flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 0.35rem;
  max-width: 100%;
  white-space: nowrap;
}

.table-tx-list .hash-link {
  color: #3b82f6 !important;
  font-family: Consolas, Monaco, monospace;
  font-size: 0.78rem;
  font-weight: 400;
  text-decoration: none;
  white-space: nowrap;
  word-break: keep-all;
  flex-shrink: 0;
}

.table-tx-list .hash-link:hover {
  color: #60a5fa !important;
  text-decoration: underline;
}

.table-tx-list .hash-copy-btn {
  opacity: 0;
  visibility: hidden;
  padding: 0.15rem 0.4rem;
  font-size: 0.7rem;
  line-height: 1;
  transition: opacity 0.15s ease, visibility 0.15s ease;
}

.table-tx-list .hash-cell:hover .hash-copy-btn,
.table-tx-list .hash-cell:focus-within .hash-copy-btn {
  opacity: 1;
  visibility: visible;
}

.table-tx-list .tx-empty {
  color: #8b9cb3 !important;
}

.amount-in { color: #22c55e; }
.amount-out { color: #ef4444; }

.hash-click {
  cursor: pointer;
  color: #3b82f6 !important;
}

.hash-click:hover {
  text-decoration: underline;
}

@media (max-width: 767px) {
  .table-tx-list {
    font-size: 0.75rem;
  }

  .table-tx-list thead th,
  .table-tx-list tbody td {
    padding: 10px 6px;
  }

  .table-tx-list .tx-addr {
    white-space: nowrap;
  }

  .table-tx-list td.hash-col {
    white-space: nowrap;
    width: 1%;
    min-width: 4.8rem;
  }

  .table-tx-list .hash-cell {
    max-width: none;
  }

  .table-tx-list .hash-copy-btn {
    display: none;
  }

  .table-tx-list .addr-copy-btn {
    opacity: 1;
    visibility: visible;
  }
}

/* ── USDT 手续费计算器 ── */

.fee-toggle-group .btn {
  font-size: 0.9rem;
}

.fee-toggle-group .btn-check:checked + .btn {
  background-color: rgba(194, 54, 49, 0.2);
  border-color: var(--tron-red);
  color: var(--tron-text);
}

.fee-result-section .stat-value.text-energy {
  color: #a855f7 !important;
}

.fee-tips {
  background-color: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.3);
  color: #bfdbfe;
}

.fee-tips h3 {
  color: #e8edf4;
}

.fee-breakdown-title {
  font-size: 0.85rem;
  color: #8b9cb3;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.fee-breakdown-list,
.fee-breakdown-total {
  margin: 0;
}

.fee-breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.35rem 0;
  font-size: 0.9rem;
}

.fee-breakdown-row dt {
  color: #8b9cb3;
  font-weight: 500;
  margin: 0;
}

.fee-breakdown-row dd {
  color: #e8edf4;
  font-weight: 600;
  margin: 0;
  text-align: right;
}

.fee-breakdown-divider {
  border-color: #2a3344;
  margin: 1rem 0;
}

.fee-total-trx {
  color: #3b82f6 !important;
  font-size: 1.1rem !important;
}

.fee-total-usdt {
  color: #22c55e !important;
  font-size: 1.05rem !important;
}

/* ── TRON Energy 计算器 ── */

.energy-plan-card {
  background-color: #161d2b;
  border: 1px solid #2a3344;
  border-radius: 12px;
}

.energy-plan-card.energy-plan-muted {
  opacity: 0.75;
}

.energy-plan-title {
  color: #e8edf4;
  margin-bottom: 0.75rem;
}

.energy-plan-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: #3b82f6;
  margin-bottom: 0.5rem;
}

.energy-result-section .stat-value.text-energy {
  color: #a855f7 !important;
}

.addr-display {
  cursor: pointer;
  color: #e8edf4;
  font-size: 0.9rem;
  word-break: break-all;
}

.addr-display:hover {
  color: #60a5fa;
}

/* ── TRON 钱包地址查询 ── */

.trx-result-section {
  animation: fadeIn 0.25s ease;
}

/* ── USDT 交易查询页 ── */

.tx-result-section {
  animation: fadeIn 0.25s ease;
}

.tx-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  background-color: #161d2b;
  border: 1px solid #2a3344;
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
}

.tx-status-left,
.tx-status-right {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tx-status-right {
  text-align: right;
  align-items: flex-end;
}

.tx-status-badge {
  font-size: 0.9rem;
  padding: 0.45rem 1rem;
  font-weight: 600;
}

.tx-result-card {
  background-color: #161d2b !important;
  border: 1px solid #2a3344 !important;
  border-radius: 12px;
  color: #e8edf4;
  width: 100%;
}

.tx-result-card .card-body {
  padding: 1.25rem 1.5rem;
}

.tx-result-header {
  background-color: rgba(0, 0, 0, 0.15) !important;
  border-bottom: 1px solid #2a3344 !important;
  color: #e8edf4 !important;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.875rem 1.5rem;
}

.tx-result-header i {
  color: #8b9cb3;
  margin-right: 0.35rem;
}

.tx-detail-block {
  padding: 0.75rem 0;
  border-bottom: 1px solid #2a3344;
}

.tx-detail-block:last-child {
  border-bottom: none;
}

.tx-detail-label {
  display: block;
  color: #8b9cb3 !important;
  font-size: 0.8rem;
  margin-bottom: 0.45rem;
  font-weight: 500;
}

.tx-detail-value {
  display: block;
  color: #e8edf4 !important;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
}

.tx-detail-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.tx-hash-text {
  color: #e879f9 !important;
  background: transparent !important;
  font-family: Consolas, Monaco, monospace;
  font-size: 0.82rem;
  word-break: break-all;
  padding: 0;
  flex: 1;
  min-width: 0;
}

.tx-amount-display {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.2;
}

.tx-amount-value {
  font-size: 1.1rem;
}

.text-usdt { color: #22c55e !important; }
.text-trx  { color: #3b82f6 !important; }

.btn-copy-sm,
.btn-copy {
  flex-shrink: 0;
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  color: #c9d1d9 !important;
  border: 1px solid #3a4558 !important;
  background: transparent !important;
  border-radius: 6px;
  white-space: nowrap;
}

.btn-copy-sm:hover,
.btn-copy:hover {
  background: rgba(255, 255, 255, 0.06) !important;
  border-color: #8b9cb3 !important;
  color: #e8edf4 !important;
}

/* 覆盖 Bootstrap 默认样式，防止文字发暗 */
.tx-result-card .card-header,
.tx-result-card .card-body,
.tx-result-card span,
.tx-result-card code {
  color: inherit;
}

.tx-result-section .alert-warning {
  background-color: rgba(234, 179, 8, 0.1);
  border-color: rgba(234, 179, 8, 0.3);
  color: #fde68a;
}

.tx-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0.875rem 1.25rem;
  border-top: 1px solid var(--tron-border);
  background: rgba(0, 0, 0, 0.08);
}

.per-page-input {
  width: 72px;
}

.loading-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(15, 21, 32, 0.88);
  align-items: center;
  justify-content: center;
}

.loading-overlay.visible {
  display: flex !important;
}

.loading-box {
  text-align: center;
  padding: 2rem;
}

.loading-text {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.loading-timer {
  font-size: 3rem;
  font-weight: 800;
  color: #3b82f6;
  line-height: 1.2;
}

.loading-unit {
  font-size: 0.9rem;
  color: var(--tron-muted);
  margin-top: 0.25rem;
}

.hash-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(15, 21, 32, 0.9);
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.hash-modal.visible {
  display: flex !important;
}

.hash-modal-box {
  background: var(--tron-card);
  border: 1px solid var(--tron-border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  max-width: 640px;
  width: 100%;
}

.hash-modal-title {
  font-size: 0.9rem;
  color: var(--tron-muted);
  margin-bottom: 0.75rem;
}

.hash-modal-text {
  font-family: Consolas, Monaco, monospace;
  font-size: 0.85rem;
  word-break: break-all;
  line-height: 1.6;
  background: var(--tron-dark);
  padding: 0.875rem;
  border-radius: 0.5rem;
}

.hash-modal-actions {
  margin-top: 1rem;
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}

.addr-mono {
  font-family: Consolas, Monaco, monospace;
  font-size: 0.85rem;
  word-break: break-all;
}

.addr-full {
  flex: 1;
  min-width: 0;
  line-height: 1.5;
}

/* ── 页脚 ── */

.site-footer {
  background-color: var(--tron-nav);
  border-top: 1px solid var(--tron-border);
  padding: 1.75rem 0;
  margin-top: auto;
}

.footer-brand {
  color: var(--tron-text);
  font-weight: 600;
  font-size: 0.95rem;
}

.footer-copy {
  color: var(--tron-muted);
  font-size: 0.8rem;
}

.footer-disclaimer {
  color: var(--tron-muted);
  font-size: 0.8rem;
  line-height: 1.55;
  max-width: 480px;
  margin-left: auto;
}

/* ── 响应式 ── */

@media (max-width: 768px) {
  .page-hero h1 {
    font-size: 1.5rem;
  }

  .page-hero {
    padding: 1rem 0 1.5rem;
  }

  .intro-box {
    padding: 1.25rem;
  }

  .footer-disclaimer {
    max-width: 100%;
    margin-top: 0.5rem;
  }
}

@media (max-width: 576px) {
  .page-hero h1 {
    font-size: 1.35rem;
  }

  .site-main {
    padding-top: 1rem;
  }
}