/* 七日年化收益率计算器：仅包含组件作用域内样式 */
.seven-day-annualized-yield-calculator {
  all: initial;
  --cc-bg: #ffffff;
  --cc-panel: #f8fafc;
  --cc-primary: #2563eb;
  --cc-primary-dark: #1d4ed8;
  --cc-primary-soft: #eff6ff;
  --cc-accent: #0f766e;
  --cc-accent-soft: #f0fdfa;
  --cc-text: #172033;
  --cc-muted: #64748b;
  --cc-faint: #94a3b8;
  --cc-border: #dbe3ef;
  --cc-input-border: #cbd5e1;
  --cc-result-border: #bfdbfe;
  --cc-error: #b91c1c;
  --cc-error-bg: #fef2f2;
  --cc-error-border: #fecaca;
  --cc-white: #ffffff;
  --cc-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  --cc-font-size-xs: 12px;
  --cc-font-size-sm: 13px;
  --cc-font-size-base: 14px;
  --cc-font-size-md: 16px;
  --cc-font-size-lg: 20px;
  --cc-font-size-xl: 28px;
  --cc-font-size-result: 36px;
  --cc-fw-normal: 400;
  --cc-fw-medium: 500;
  --cc-fw-semibold: 600;
  --cc-fw-bold: 700;
  --cc-space-xs: 4px;
  --cc-space-sm: 8px;
  --cc-space-md: 12px;
  --cc-space-lg: 16px;
  --cc-space-xl: 24px;
  --cc-space-2xl: 32px;
  --cc-radius-sm: 8px;
  --cc-radius-md: 12px;
  --cc-radius-lg: 18px;
  --cc-shadow: 0 18px 50px rgba(15, 23, 42, 0.10);
  --cc-transition: 160ms ease;

  display: block;
  width: 100%;
  max-width: min(1064px, 100%);
  margin: var(--cc-space-2xl) auto;
  padding: 0;
  box-sizing: border-box;
  color: var(--cc-text);
  font-family: var(--cc-font-family);
  font-size: var(--cc-font-size-base);
  font-weight: var(--cc-fw-normal);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.seven-day-annualized-yield-calculator *,
.seven-day-annualized-yield-calculator *::before,
.seven-day-annualized-yield-calculator *::after { box-sizing: border-box; }

.seven-day-annualized-yield-calculator * { font-family: var(--cc-font-family); color: inherit; }

.seven-day-annualized-yield-calculator .sayc-layout { display: grid; grid-template-columns: minmax(0, 720px) minmax(260px, 300px); align-items: start; justify-content: center; gap: var(--cc-space-xl); }
.seven-day-annualized-yield-calculator .sayc-main { min-width: 0; padding: var(--cc-space-2xl); background: var(--cc-bg); border: 1px solid var(--cc-border); border-radius: var(--cc-radius-lg); box-shadow: var(--cc-shadow); }
.seven-day-annualized-yield-calculator .sayc-sidebar { display: grid; gap: var(--cc-space-lg); min-width: 0; }
.seven-day-annualized-yield-calculator .sayc-sidebar-card { padding: var(--cc-space-lg); background: var(--cc-bg); border: 1px solid var(--cc-border); border-radius: var(--cc-radius-md); box-shadow: 0 12px 30px rgba(15, 23, 42, 0.07); }
.seven-day-annualized-yield-calculator .sayc-sidebar-title { margin: 0 0 var(--cc-space-md); padding-bottom: var(--cc-space-md); color: var(--cc-text); border-bottom: 1px solid var(--cc-border); font-size: var(--cc-font-size-md); font-weight: var(--cc-fw-semibold); line-height: 1.35; }
.seven-day-annualized-yield-calculator .sayc-faq-list,
.seven-day-annualized-yield-calculator .sayc-tool-list { display: grid; gap: var(--cc-space-sm); }
.seven-day-annualized-yield-calculator .sayc-faq-link { display: flex; align-items: center; justify-content: space-between; gap: var(--cc-space-sm); min-height: 44px; padding: var(--cc-space-sm) var(--cc-space-xs); color: var(--cc-muted); border-radius: var(--cc-radius-sm); font-size: var(--cc-font-size-sm); text-decoration: none; transition: color var(--cc-transition), background var(--cc-transition); }
.seven-day-annualized-yield-calculator .sayc-faq-link > span:first-child { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.seven-day-annualized-yield-calculator .sayc-faq-link:hover { color: var(--cc-primary); background: var(--cc-primary-soft); }
.seven-day-annualized-yield-calculator .sayc-tool-card { display: flex; align-items: center; gap: var(--cc-space-md); min-width: 0; min-height: 72px; padding: var(--cc-space-md); color: var(--cc-text); background: var(--cc-panel); border: 1px solid transparent; border-radius: var(--cc-radius-sm); text-decoration: none; transition: transform var(--cc-transition), border-color var(--cc-transition), box-shadow var(--cc-transition), background var(--cc-transition); }
.seven-day-annualized-yield-calculator .sayc-tool-card:hover { background: var(--cc-white); border-color: #bfdbfe; box-shadow: 0 8px 18px rgba(37, 99, 235, 0.12); transform: translateY(-2px); }
.seven-day-annualized-yield-calculator .sayc-tool-card:focus-visible,
.seven-day-annualized-yield-calculator .sayc-faq-link:focus-visible { outline: 3px solid rgba(37, 99, 235, 0.22); outline-offset: 2px; }
.seven-day-annualized-yield-calculator .sayc-tool-icon { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 36px; width: 36px; height: 36px; color: var(--cc-primary); background: var(--cc-primary-soft); border-radius: 10px; font-size: var(--cc-font-size-xs); font-weight: var(--cc-fw-bold); letter-spacing: 0.04em; }
.seven-day-annualized-yield-calculator .sayc-tool-copy { display: grid; flex: 1 1 auto; gap: 2px; min-width: 0; }
.seven-day-annualized-yield-calculator .sayc-tool-copy strong { overflow: hidden; color: var(--cc-text); font-size: var(--cc-font-size-sm); font-weight: var(--cc-fw-semibold); text-overflow: ellipsis; white-space: nowrap; }
.seven-day-annualized-yield-calculator .sayc-tool-arrow { flex: 0 0 auto; color: var(--cc-faint); font-size: var(--cc-font-size-md); transition: color var(--cc-transition), transform var(--cc-transition); }
.seven-day-annualized-yield-calculator .sayc-tool-card:hover .sayc-tool-arrow { color: var(--cc-primary); transform: translateX(3px); }

.seven-day-annualized-yield-calculator .sayc-header {
  margin: 0 0 var(--cc-space-2xl);
  text-align: center;
}

.seven-day-annualized-yield-calculator .sayc-eyebrow {
  display: inline-block;
  margin-bottom: var(--cc-space-sm);
  padding: var(--cc-space-xs) var(--cc-space-md);
  color: var(--cc-primary);
  background: var(--cc-primary-soft);
  border-radius: 999px;
  font-size: var(--cc-font-size-xs);
  font-weight: var(--cc-fw-semibold);
  letter-spacing: 0.08em;
}

.seven-day-annualized-yield-calculator .sayc-title {
  margin: 0;
  color: var(--cc-text);
  font-size: var(--cc-font-size-xl);
  font-weight: var(--cc-fw-bold);
  line-height: 1.25;
}

.seven-day-annualized-yield-calculator .sayc-subtitle {
  margin: var(--cc-space-sm) 0 0;
  color: var(--cc-muted);
  font-size: var(--cc-font-size-sm);
}

.seven-day-annualized-yield-calculator .sayc-panel {
  margin-top: var(--cc-space-lg);
  padding: var(--cc-space-xl);
  background: var(--cc-panel);
  border: 1px solid var(--cc-border);
  border-radius: var(--cc-radius-md);
}

.seven-day-annualized-yield-calculator .sayc-section-heading {
  display: flex;
  align-items: center;
  gap: var(--cc-space-sm);
  margin-bottom: var(--cc-space-lg);
}

.seven-day-annualized-yield-calculator .sayc-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  flex: 0 0 26px;
  color: var(--cc-white);
  background: var(--cc-primary);
  border-radius: 50%;
  font-size: var(--cc-font-size-xs);
  font-weight: var(--cc-fw-bold);
}

.seven-day-annualized-yield-calculator .sayc-section-title {
  margin: 0;
  font-size: var(--cc-font-size-md);
  font-weight: var(--cc-fw-semibold);
}

.seven-day-annualized-yield-calculator .sayc-mode {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--cc-space-sm);
}

.seven-day-annualized-yield-calculator .sayc-mode-button {
  min-height: 48px;
  margin: 0;
  padding: var(--cc-space-sm) var(--cc-space-md);
  color: var(--cc-muted);
  background: var(--cc-white);
  border: 1px solid var(--cc-input-border);
  border-radius: var(--cc-radius-sm);
  font-size: var(--cc-font-size-base);
  font-weight: var(--cc-fw-semibold);
  cursor: pointer;
  transition: color var(--cc-transition), background var(--cc-transition), border-color var(--cc-transition), box-shadow var(--cc-transition);
}

.seven-day-annualized-yield-calculator .sayc-mode-button:hover { border-color: var(--cc-primary); color: var(--cc-primary); }

.seven-day-annualized-yield-calculator .sayc-mode-button[aria-selected="true"] {
  color: var(--cc-primary-dark);
  background: var(--cc-primary-soft);
  border-color: var(--cc-primary);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.10);
}

.seven-day-annualized-yield-calculator .sayc-field-note {
  margin: var(--cc-space-md) 0 0;
  color: var(--cc-faint);
  font-size: var(--cc-font-size-xs);
}

.seven-day-annualized-yield-calculator .sayc-field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--cc-space-lg);
}

.seven-day-annualized-yield-calculator .sayc-field {
  display: block;
  min-width: 0;
}

.seven-day-annualized-yield-calculator .sayc-field--wide { grid-column: 1 / -1; }
.seven-day-annualized-yield-calculator .sayc-field--hidden { display: none; }

.seven-day-annualized-yield-calculator .sayc-label {
  display: block;
  margin-bottom: var(--cc-space-sm);
  color: var(--cc-muted);
  font-size: var(--cc-font-size-sm);
  font-weight: var(--cc-fw-medium);
}

.seven-day-annualized-yield-calculator .sayc-input-wrap,
.seven-day-annualized-yield-calculator .sayc-select-wrap {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 var(--cc-space-md);
  background: var(--cc-white);
  border: 1px solid var(--cc-input-border);
  border-radius: var(--cc-radius-sm);
  transition: border-color var(--cc-transition), box-shadow var(--cc-transition);
}

.seven-day-annualized-yield-calculator .sayc-input-wrap:focus-within,
.seven-day-annualized-yield-calculator .sayc-select-wrap:focus-within {
  border-color: var(--cc-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.13);
}

.seven-day-annualized-yield-calculator .sayc-input,
.seven-day-annualized-yield-calculator .sayc-select {
  display: block;
  min-width: 0;
  min-height: 46px;
  margin: 0;
  padding: 0;
  color: var(--cc-text);
  background: transparent;
  border: 0;
  outline: 0;
  font-size: var(--cc-font-size-md);
  font-weight: var(--cc-fw-semibold);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.seven-day-annualized-yield-calculator .sayc-input { flex: 1 1 auto; }
.seven-day-annualized-yield-calculator .sayc-select { width: 100%; cursor: pointer; }

.seven-day-annualized-yield-calculator .sayc-unit {
  flex: 0 0 auto;
  margin-left: var(--cc-space-sm);
  color: var(--cc-muted);
  font-size: var(--cc-font-size-sm);
}

.seven-day-annualized-yield-calculator .sayc-actions {
  display: flex;
  gap: var(--cc-space-md);
  margin-top: var(--cc-space-xl);
}

.seven-day-annualized-yield-calculator .sayc-button {
  min-height: 48px;
  margin: 0;
  padding: var(--cc-space-md) var(--cc-space-xl);
  border-radius: var(--cc-radius-sm);
  font-size: var(--cc-font-size-md);
  font-weight: var(--cc-fw-semibold);
  cursor: pointer;
  transition: background var(--cc-transition), border-color var(--cc-transition), transform var(--cc-transition);
}

.seven-day-annualized-yield-calculator .sayc-button:active { transform: translateY(1px); }

.seven-day-annualized-yield-calculator .sayc-button--primary {
  flex: 1 1 auto;
  color: var(--cc-white);
  background: var(--cc-primary);
  border: 1px solid var(--cc-primary);
}

.seven-day-annualized-yield-calculator .sayc-button--primary:hover { background: var(--cc-primary-dark); border-color: var(--cc-primary-dark); }

.seven-day-annualized-yield-calculator .sayc-button--secondary {
  flex: 0 0 auto;
  color: var(--cc-muted);
  background: var(--cc-white);
  border: 1px solid var(--cc-input-border);
}

.seven-day-annualized-yield-calculator .sayc-button--secondary:hover { color: var(--cc-primary); border-color: var(--cc-primary); }

.seven-day-annualized-yield-calculator .sayc-error {
  margin-top: var(--cc-space-lg);
  padding: var(--cc-space-md);
  color: var(--cc-error);
  background: var(--cc-error-bg);
  border: 1px solid var(--cc-error-border);
  border-radius: var(--cc-radius-sm);
  font-size: var(--cc-font-size-sm);
}

.seven-day-annualized-yield-calculator .sayc-result {
  margin-top: var(--cc-space-xl);
  overflow: hidden;
  background: var(--cc-primary-soft);
  border: 1px solid var(--cc-result-border);
  border-radius: var(--cc-radius-md);
}

.seven-day-annualized-yield-calculator .sayc-result-hero {
  padding: var(--cc-space-xl) var(--cc-space-lg);
  text-align: center;
  border-bottom: 1px solid var(--cc-result-border);
}

.seven-day-annualized-yield-calculator .sayc-result-label,
.seven-day-annualized-yield-calculator .sayc-result-caption {
  display: block;
  color: var(--cc-muted);
  font-size: var(--cc-font-size-sm);
}

.seven-day-annualized-yield-calculator .sayc-result-value {
  display: block;
  margin: var(--cc-space-xs) 0;
  color: var(--cc-primary-dark);
  font-size: var(--cc-font-size-result);
  font-weight: var(--cc-fw-bold);
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
}

.seven-day-annualized-yield-calculator .sayc-result-value small {
  margin-left: var(--cc-space-xs);
  font-size: var(--cc-font-size-md);
  font-weight: var(--cc-fw-semibold);
}

.seven-day-annualized-yield-calculator .sayc-result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--cc-result-border);
}

.seven-day-annualized-yield-calculator .sayc-result-item {
  min-width: 0;
  padding: var(--cc-space-lg);
  background: var(--cc-white);
}

.seven-day-annualized-yield-calculator .sayc-result-item--wide { grid-column: 1 / -1; }

.seven-day-annualized-yield-calculator .sayc-result-item > span {
  display: block;
  color: var(--cc-muted);
  font-size: var(--cc-font-size-xs);
}

.seven-day-annualized-yield-calculator .sayc-result-item > strong {
  display: block;
  margin-top: var(--cc-space-xs);
  overflow-wrap: anywhere;
  color: var(--cc-text);
  font-size: var(--cc-font-size-md);
  font-weight: var(--cc-fw-semibold);
  font-variant-numeric: tabular-nums;
}

.seven-day-annualized-yield-calculator .sayc-formula {
  margin: 0;
  padding: var(--cc-space-md) var(--cc-space-lg) 0;
  color: var(--cc-primary-dark);
  font-size: var(--cc-font-size-sm);
  font-weight: var(--cc-fw-medium);
}

.seven-day-annualized-yield-calculator .sayc-note {
  margin: var(--cc-space-md) 0 0;
  padding: 0 var(--cc-space-lg) var(--cc-space-lg);
  color: var(--cc-faint);
  font-size: var(--cc-font-size-xs);
}

.seven-day-annualized-yield-calculator .sayc-help { margin-top: var(--cc-space-xl); border-top: 1px solid var(--cc-border); }

.seven-day-annualized-yield-calculator .sayc-help-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 48px;
  margin: 0;
  padding: var(--cc-space-md) 0;
  color: var(--cc-primary-dark);
  background: transparent;
  border: 0;
  font-size: var(--cc-font-size-sm);
  font-weight: var(--cc-fw-semibold);
  text-align: left;
  cursor: pointer;
}

.seven-day-annualized-yield-calculator .sayc-help-arrow { font-size: var(--cc-font-size-lg); line-height: 1; }

.seven-day-annualized-yield-calculator .sayc-help-panel {
  padding: 0 0 var(--cc-space-sm);
  color: var(--cc-muted);
  font-size: var(--cc-font-size-sm);
}

.seven-day-annualized-yield-calculator .sayc-help-panel h3 { margin: var(--cc-space-sm) 0; color: var(--cc-text); font-size: var(--cc-font-size-base); }
.seven-day-annualized-yield-calculator .sayc-help-panel p { margin: var(--cc-space-sm) 0; }
.seven-day-annualized-yield-calculator .sayc-help-panel ul { margin: var(--cc-space-sm) 0; padding-left: var(--cc-space-xl); }
.seven-day-annualized-yield-calculator .sayc-help-panel li { margin: var(--cc-space-xs) 0; }

.seven-day-annualized-yield-calculator .sayc-hidden { display: none !important; }

@media (max-width: 560px) {
  .seven-day-annualized-yield-calculator {
    margin: var(--cc-space-lg) auto;
  }

  .seven-day-annualized-yield-calculator .sayc-main { padding: var(--cc-space-lg); border-radius: var(--cc-radius-md); }

  .seven-day-annualized-yield-calculator .sayc-title { font-size: var(--cc-font-size-lg); }
  .seven-day-annualized-yield-calculator .sayc-panel { padding: var(--cc-space-lg); }
  .seven-day-annualized-yield-calculator .sayc-field-grid,
  .seven-day-annualized-yield-calculator .sayc-result-grid { grid-template-columns: 1fr; }
  .seven-day-annualized-yield-calculator .sayc-field--wide,
  .seven-day-annualized-yield-calculator .sayc-result-item--wide { grid-column: auto; }
  .seven-day-annualized-yield-calculator .sayc-actions { flex-direction: column; }
  .seven-day-annualized-yield-calculator .sayc-button--secondary { width: 100%; }
  .seven-day-annualized-yield-calculator .sayc-result-value { font-size: 32px; }
  .seven-day-annualized-yield-calculator .sayc-sidebar-card { padding: var(--cc-space-md); }
  .seven-day-annualized-yield-calculator .sayc-tool-card { min-height: 68px; padding: var(--cc-space-sm) var(--cc-space-md); }
}

@media (max-width: 900px) {
  .seven-day-annualized-yield-calculator .sayc-layout { grid-template-columns: 1fr; }
}

@media (max-width: 360px) {
  .seven-day-annualized-yield-calculator .sayc-main { padding: var(--cc-space-md); }
  .seven-day-annualized-yield-calculator .sayc-panel { padding: var(--cc-space-md); }
  .seven-day-annualized-yield-calculator .sayc-mode { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .seven-day-annualized-yield-calculator .sayc-faq-link,
  .seven-day-annualized-yield-calculator .sayc-tool-card,
  .seven-day-annualized-yield-calculator .sayc-tool-arrow { transition: none; }
  .seven-day-annualized-yield-calculator .sayc-tool-card:hover,
  .seven-day-annualized-yield-calculator .sayc-tool-card:hover .sayc-tool-arrow { transform: none; }
}