:root {
  color-scheme: light;
  /* 全端（含手机）仅用系统字，不引网络字体：iOS 多为苹方；Windows 雅黑；Android 常见思源/Noto CJK/Droid 等 ROM 内置回退 */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Heiti SC", "HarmonyOS Sans SC", "WenQuanYi Micro Hei", "Noto Sans CJK SC", "Droid Sans Fallback", sans-serif;
  --font-serif: var(--font-sans);
  --bg: #e4e9f2;
  --bg-elevated: #ffffff;
  --bg-card: #ffffff;
  --bg-subtle: #f1f4fa;
  --border: rgba(15, 23, 42, 0.1);
  --border-strong: rgba(15, 23, 42, 0.14);
  --text: #0f172a;
  --muted: #475569;
  --muted-light: #64748b;
  --accent: #7c3a0c;
  --accent-on-light: #92400e;
  --accent-dim: rgba(124, 58, 12, 0.1);
  --hong: #b91c1c;
  --lan: #1d4ed8;
  --lv: #15803d;
  --jin: #854d0e;
  --mu: #166534;
  --shui: #1d4ed8;
  --huo: #b91c1c;
  --tu: #713f12;
  --purple-muted: #5b21b6;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.05), 0 4px 20px rgba(15, 23, 42, 0.06);
  --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06), 0 12px 40px rgba(15, 23, 42, 0.08);
  /* 详情值行高统一，避免短文 0.72rem + 相对 line-height 与 0.875rem 卡片高度不一致 */
  --detail-kv-val-line: 21px;

  /* === spacing（8px 基准，对齐 engineering-frontend 可维护刻度）=== */
  --space-1: 0.25rem; /* 4 */
  --space-2: 0.5rem; /* 8 */
  --space-3: 0.75rem; /* 12 */
  --space-4: 1rem; /* 16 */
  --space-5: 1.5rem; /* 24 */
  --space-6: 2rem; /* 32 */

  /* === typography === */
  --text-xs: 0.68rem;
  --text-sm: 0.8125rem;
  --text-md: 0.875rem;
  --text-lg: 1rem;
  --leading-body: 1.62;

  /* === elevation（与现有阴影语义一致）=== */
  --elev-1: var(--shadow);
  --elev-2: var(--shadow-card);

  /* === focus（WCAG 2.4.7）=== */
  --focus-ring-color: #c2410c;
  --focus-ring-width: 2px;
  --focus-ring-offset: 2px;

  /* === touch 目标下限（约 44×44px @16px）=== */
  --touch-target-min: 2.75rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

/* 仅键盘可见焦点，统一令牌（组件内已有 :focus-visible 的可保留或合并） */
:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10000;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--text);
  background: var(--bg-elevated);
  border: 2px solid var(--focus-ring-color);
  border-radius: var(--radius-sm);
  text-decoration: none;
  box-shadow: var(--elev-2);
}

.skip-link:focus {
  left: max(var(--space-4), env(safe-area-inset-left));
  top: max(var(--space-2), env(safe-area-inset-top));
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--font-sans);
  background: radial-gradient(980px 680px at 6% -4%, rgba(251, 191, 36, 0.14), transparent),
    radial-gradient(760px 560px at 100% 0%, rgba(96, 165, 250, 0.12), transparent), var(--bg);
  color: var(--text);
  line-height: var(--leading-body);
  font-size: clamp(15px, 2.9vw, 16px);
  font-weight: 400;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

a {
  color: var(--accent-on-light);
  text-decoration: none;
  font-weight: 500;
}
a:hover {
  text-decoration: underline;
  color: #78350f;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  /* 避免 backdrop-filter 在 Win/Chrome 下让栏内文字发灰、发糊 */
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--border-strong);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.95) inset, 0 4px 20px rgba(15, 23, 42, 0.04);
}

.app-header__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: var(--space-2) var(--space-4);
  max-width: 1200px;
  margin: 0 auto;
  padding: max(0.95rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) 1.15rem
    max(1rem, env(safe-area-inset-left));
}

@media (max-width: 640px) {
  .app-header__top {
    padding-left: max(0.45rem, env(safe-area-inset-left));
    padding-right: max(0.45rem, env(safe-area-inset-right));
    gap: 0.45rem 0.65rem;
  }
}

.app-header__brand {
  text-align: left;
  min-width: 0;
}

.app-header__top-actions {
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
  padding-top: 0.15rem;
  min-width: 0;
}

.btn-query-open {
  flex-shrink: 0;
  margin: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-target-min);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #b91c1c;
  background: #fff;
  border: 2px solid #dc2626;
  border-radius: 10px;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(185, 28, 28, 0.12);
  transition:
    background 0.15s,
    color 0.15s,
    box-shadow 0.15s;
}

.btn-query-open:hover {
  background: #fef2f2;
  box-shadow: 0 2px 10px rgba(185, 28, 28, 0.18);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
  align-items: flex-start;
  max-width: 42rem;
  margin: 0;
}
.brand h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 3.5vw, 1.45rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
  line-height: 1.3;
  text-align: left;
}
.brand p {
  margin: 0;
  /* 中文低于约 12px 易糊；略大于 11px 仍比原 13px 小 */
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.02em;
  line-height: 1.45;
  text-align: left;
}

.query-modal[hidden] {
  display: none !important;
}

.query-modal:not([hidden]) {
  position: fixed;
  inset: 0;
  z-index: 200;
  box-sizing: border-box;
}

.query-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.42);
  backdrop-filter: blur(4px);
}

.query-modal__panel {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  width: min(calc(100vw - 2rem), 26rem);
  max-height: min(90dvh, 32rem);
  overflow: auto;
  margin: 0;
  padding: 1.25rem 1.35rem 1.35rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow:
    0 24px 48px rgba(15, 23, 42, 0.18),
    0 0 0 1px rgba(255, 255, 255, 0.06) inset;
}

.query-modal__title {
  margin: 0 0 0.65rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.02em;
  padding-right: 2rem;
}

.query-modal__hint {
  margin: 0 0 1rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--muted);
  line-height: 1.55;
}

.query-modal__hint code {
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  background: rgba(15, 23, 42, 0.06);
  padding: 0.08em 0.35em;
  border-radius: 4px;
}

.query-modal__form .num-query--wide {
  width: 100%;
}

.query-modal__close {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  width: var(--touch-target-min);
  height: var(--touch-target-min);
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.query-modal__close:hover {
  background: rgba(15, 23, 42, 0.06);
  color: var(--text);
}

.query-bar {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 0.85rem 1rem 0.95rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.query-bar__label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.08em;
}

.query-bar__hint {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted-light);
  line-height: 1.45;
}

.query-bar__hint code {
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--muted);
  background: rgba(15, 23, 42, 0.06);
  padding: 0.08em 0.35em;
  border-radius: 4px;
}

.num-query {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.32rem 0.55rem 0.32rem 0.9rem;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.num-query--wide {
  width: 100%;
  border-radius: var(--radius-sm);
  padding: 0.38rem 0.55rem 0.38rem 0.95rem;
}

.num-query input {
  flex: 1;
  min-width: 0;
  width: 4.5rem;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 0.9375rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  outline: none;
}

.num-query--wide input {
  width: auto;
  font-size: 0.9375rem;
}

.num-query input::placeholder {
  color: var(--muted-light);
  font-weight: 500;
}

.num-query button {
  border: none;
  background: linear-gradient(180deg, #b45309 0%, #92400e 100%);
  color: #fff;
  font-weight: 600;
  min-height: var(--touch-target-min);
  padding: var(--space-2) var(--space-4);
  border-radius: 999px;
  cursor: pointer;
  font-size: var(--text-md);
  letter-spacing: 0.03em;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.num-query button:hover {
  filter: brightness(1.05);
  box-shadow: 0 2px 8px rgba(146, 64, 14, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-5) max(var(--space-5), env(safe-area-inset-left)) var(--space-6) max(var(--space-5), env(safe-area-inset-right));
  display: grid;
  grid-template-columns: minmax(0, 248px) minmax(0, 1fr);
  gap: var(--space-5);
  align-items: start;
  isolation: isolate;
}

.side-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  position: sticky;
  top: clamp(5.25rem, 14vw, 6.75rem);
  align-self: start;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  padding: var(--space-3) var(--space-3);
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: var(--elev-2);
}

.nav-btn {
  appearance: none;
  -webkit-tap-highlight-color: transparent;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  margin: 0;
  font: inherit;
  font-family: var(--font-sans);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--text-md);
  font-weight: 500;
  line-height: 1.25;
  color: var(--text);
  min-height: var(--touch-target-min);
  padding: var(--space-2) var(--space-3);
  white-space: nowrap;
  background: var(--bg-subtle);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.12s ease, background 0.15s, color 0.15s;
}

.nav-btn__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.65rem;
  height: 1.65rem;
  flex-shrink: 0;
  order: 0;
}

.nav-btn__icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.nav-btn__text {
  flex: 0 1 auto;
  min-width: 0;
  text-align: left;
  line-height: 1.2;
  order: 1;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-btn.is-active .nav-btn__icon--bose svg circle {
  stroke: rgba(31, 22, 12, 0.45);
  stroke-width: 1px;
}

.nav-btn:hover {
  color: var(--text);
  border-color: rgba(180, 83, 9, 0.35);
  background: #ffffff;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.06);
}

.nav-btn.is-active {
  color: #422006;
  font-weight: 700;
  border-color: rgba(180, 83, 9, 0.45);
  background: linear-gradient(180deg, #fef3c7 0%, #fde68a 38%, #fcd34d 100%);
  box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.35), 0 4px 16px rgba(180, 83, 9, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.nav-btn.is-active:hover {
  color: #291c04;
  border-color: rgba(180, 83, 9, 0.55);
  filter: brightness(1.01);
}

.nav-btn:active {
  transform: scale(0.985);
}

@media (max-width: 860px) {
  .layout {
    grid-template-columns: 1fr;
    /* 移动端减少左右留白，仍保留安全区 */
    padding: var(--space-3) max(0.45rem, env(safe-area-inset-left)) var(--space-5) max(0.45rem, env(safe-area-inset-right));
    gap: var(--space-3);
  }
  /* 导航全部可见：网格自动换行，不再横向滚动隐藏按钮 */
  .side-nav {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 8.5rem), 1fr));
    gap: 0.5rem;
    position: static;
    overflow: visible;
    padding: 0.65rem max(0.4rem, env(safe-area-inset-left)) 0.65rem max(0.4rem, env(safe-area-inset-right));
    margin: 0;
  }
  .nav-btn {
    width: 100%;
    min-height: 44px;
    padding: 0.45rem 0.5rem;
    font-size: 0.78rem;
    hyphens: none;
    touch-action: manipulation;
    border-radius: 11px;
  }
  .nav-btn__icon {
    width: 1.5rem;
    height: 1.5rem;
  }
}

main {
  min-width: 0;
  position: relative;
  z-index: 0;
}

.panel {
  display: none;
  animation: fadeIn 0.25s ease;
}
.panel.is-visible {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: var(--space-5) var(--space-5);
  margin-bottom: var(--space-4);
  box-shadow: var(--elev-2);
}

.card h2 {
  margin: 0 0 0.85rem;
  padding-bottom: 0.55rem;
  border-bottom: 2px solid rgba(146, 64, 14, 0.22);
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.03em;
  line-height: 1.35;
  text-rendering: optimizeLegibility;
}

.card-lead {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.65;
  max-width: 68ch;
}

/* 卡片主标题下的说明段（替代行内 style） */
.card-desc {
  margin: 0 0 var(--space-4);
  color: var(--muted);
  font-size: var(--text-sm);
  line-height: 1.62;
  max-width: 68ch;
}

.card-desc--lg {
  margin-bottom: var(--space-4);
  font-size: 0.9rem;
}

.card-desc--tight {
  margin-bottom: var(--space-3);
  font-size: 0.88rem;
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.filter-strip {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1rem;
  padding: 0.85rem 1rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
}

.seg-label {
  flex: 0 0 auto;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.seg-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.seg-btn {
  border: 1px solid var(--border-strong);
  background: #ffffff;
  color: var(--text);
  min-height: var(--touch-target-min);
  padding: var(--space-2) var(--space-3);
  border-radius: 999px;
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s, box-shadow 0.15s;
}

.seg-btn:hover {
  color: var(--text);
  border-color: rgba(15, 23, 42, 0.2);
  background: var(--bg-subtle);
}

.seg-btn.is-on {
  color: #78350f;
  border-color: rgba(180, 83, 9, 0.45);
  background: linear-gradient(180deg, #fffbeb 0%, #fef3c7 100%);
  font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.compare-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-bottom: 1rem;
}

.compare-hint {
  flex: 1 1 200px;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--muted);
  line-height: 1.55;
}

.btn-ghost {
  border: 1px solid var(--border-strong);
  background: #ffffff;
  color: var(--text);
  min-height: var(--touch-target-min);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
}

.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(15, 23, 42, 0.22);
  background: var(--bg-subtle);
}

.btn-toggle {
  border: 1px solid var(--border-strong);
  background: #ffffff;
  color: var(--text);
  min-height: var(--touch-target-min);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--text-md);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.btn-toggle[aria-pressed="true"] {
  border-color: rgba(91, 33, 182, 0.35);
  background: linear-gradient(180deg, #f5f3ff 0%, #ede9fe 100%);
  color: var(--purple-muted);
  font-weight: 700;
}

.compare-wrap {
  margin-bottom: 1rem;
  padding: 1rem 1.1rem;
  background: linear-gradient(180deg, #fafaff 0%, #f4f4ff 100%);
  border: 1px solid rgba(91, 33, 182, 0.15);
  border-radius: var(--radius-sm);
}

.is-hidden {
  display: none !important;
}

.compare-wrap__title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--purple-muted);
  margin-bottom: 0.55rem;
}

.compare-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.compare-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.22rem 0.35rem 0.22rem 0.55rem;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid rgba(91, 33, 182, 0.22);
  font-size: 0.8125rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.compare-chip .chip-x {
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0 0.25rem;
  border-radius: 4px;
}

.compare-chip .chip-x:hover {
  color: var(--text);
  background: rgba(26, 35, 52, 0.08);
}

.compare-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 -0.25rem;
  padding: 0 0.25rem;
}

table.compare-table thead th:first-child,
table.compare-table tbody th[scope="row"] {
  position: sticky;
  left: 0;
  z-index: 2;
  box-shadow: 4px 0 14px rgba(15, 23, 42, 0.06);
}

table.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  min-width: 280px;
}

table.compare-table th,
table.compare-table td {
  border: 1px solid var(--border);
  padding: 0.45rem 0.55rem;
  text-align: center;
  vertical-align: middle;
}

table.compare-table thead th {
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  color: var(--text);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: 0.8125rem;
}

table.compare-table tbody th {
  text-align: left;
  background: #f8fafc;
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
  padding-left: 0.65rem;
  font-size: 0.8125rem;
}

table.compare-table tbody td {
  font-variant-numeric: tabular-nums;
  color: var(--text);
  font-weight: 500;
  font-size: 0.8125rem;
}

.grid-49 {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: clamp(0.32rem, 1.6vw, 0.55rem);
  width: 100%;
  max-width: min(100%, 26.5rem);
  margin-inline: auto;
  justify-items: center;
}

@media (max-width: 520px) {
  .grid-49 {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    max-width: 100%;
    gap: clamp(0.28rem, 1.4vw, 0.45rem);
  }
}

@media (max-width: 400px) {
  .grid-49 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.3rem;
  }
}

.ball {
  aspect-ratio: 1;
  width: 100%;
  min-width: min(var(--touch-target-min), 100%);
  min-height: var(--touch-target-min);
  max-width: min(2.85rem, 100%);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  font-size: clamp(0.78rem, 3.1vw, 0.93rem);
  letter-spacing: -0.03em;
  line-height: 1;
  cursor: pointer;
  border: 2.5px solid transparent;
  color: #0f172a;
  text-shadow: none;
  background-image: none;
  background-clip: padding-box;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.85),
    0 1px 3px rgba(15, 23, 42, 0.12);
  transition: transform 0.12s, box-shadow 0.12s, filter 0.12s, border-color 0.12s;
  user-select: none;
  touch-action: manipulation;
  position: relative;
}

.ball:hover {
  transform: scale(1.06);
  z-index: 1;
  filter: brightness(1.03);
}

.ball.is-dim {
  opacity: 0.4;
  filter: grayscale(0.25);
}

.ball.is-dim.is-selected,
.ball.is-dim.is-compare {
  opacity: 1;
  filter: none;
}

.ball.is-selected {
  box-shadow:
    0 0 0 3px #d4a017,
    0 0 0 5px rgba(212, 160, 23, 0.25),
    0 8px 20px rgba(180, 130, 10, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  transform: scale(1.08);
  z-index: 2;
}

.ball.is-compare {
  box-shadow:
    0 0 0 2px #6d28d9,
    0 4px 14px rgba(109, 40, 217, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.85);
  z-index: 1;
}

.ball.is-selected.is-compare {
  box-shadow:
    0 0 0 2px #6d28d9,
    0 0 0 5px #d4a017,
    0 8px 22px rgba(180, 130, 10, 0.26),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

/* 高对比：浅底 + 深色数字 + 波色描边（不再用浅色 PNG 铺底，避免白字看不清） */
.ball--hong {
  background: radial-gradient(circle at 32% 26%, #ffffff 0%, #fff1f2 40%, #fecdd3 100%);
  border-color: var(--hong);
  color: #7f1d1d;
}

.ball--lan {
  background: radial-gradient(circle at 32% 26%, #ffffff 0%, #eff6ff 42%, #bfdbfe 100%);
  border-color: var(--lan);
  color: #1e3a8a;
}

.ball--lv {
  background: radial-gradient(circle at 32% 26%, #ffffff 0%, #f0fdf4 40%, #bbf7d0 100%);
  border-color: var(--lv);
  color: #14532d;
}

.sx-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.75rem;
}

.sx-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.sx-card:hover {
  border-color: rgba(212, 165, 116, 0.4);
}

.sx-card.is-active {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.sx-card__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.5rem;
}
.sx-card__name {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
}
.sx-card__chong {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--muted);
}
.sx-card__nums {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  padding: 0.2rem 0.45rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  background: rgba(26, 35, 52, 0.06);
  border: 1px solid var(--border);
}

.wx-row {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
}

.wx-row > span:nth-child(2) {
  font-variant-numeric: tabular-nums;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.03em;
  line-height: 1.45;
}

.wx-row > span:nth-child(3) {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--muted);
}
.wx-row:last-child {
  border-bottom: none;
}
.wx-tag {
  font-weight: 800;
  font-size: 0.95rem;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  text-align: center;
}
.wx-tag--jin {
  background: rgba(212, 175, 55, 0.2);
  color: var(--jin);
}
.wx-tag--mu {
  background: rgba(45, 122, 82, 0.14);
  color: var(--mu);
}
.wx-tag--shui {
  background: rgba(37, 99, 184, 0.12);
  color: var(--shui);
}
.wx-tag--huo {
  background: rgba(184, 50, 50, 0.12);
  color: var(--huo);
}
.wx-tag--tu {
  background: rgba(122, 90, 46, 0.14);
  color: var(--tu);
}

.bose-legend {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}
.bose-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.legend-swatch {
  display: inline-block;
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  flex-shrink: 0;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  border: 1px solid rgba(26, 35, 52, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 1px 3px rgba(26, 35, 52, 0.12);
}

.legend-swatch--hong {
  background-image: url("img/hong.png");
}
.legend-swatch--lan {
  background-image: url("img/lan.png");
}
.legend-swatch--lv {
  background-image: url("img/lu.png");
}

table.props {
  width: 100%;
  border-collapse: collapse;
}
table.props th,
table.props td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.6rem;
  vertical-align: top;
}
table.props th {
  background: #f1f5f9;
  color: var(--text);
  font-weight: 700;
  font-size: 0.9375rem;
  width: 14%;
  text-align: center;
  vertical-align: middle;
}

table.props td {
  color: var(--text);
  font-size: 0.875rem;
  line-height: 1.55;
}

/* 号码速查：顶栏 7 格（波色底）+ 下方无球详情 */
.detail-root {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
}

.detail-slot-bar {
  width: 100%;
}

.detail-slot-bar.is-hidden {
  display: none;
}

.detail-slot-bar__grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.35rem;
}

.detail-slot {
  position: relative;
  margin: 0;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 10px;
  padding: 0.12rem 0.15rem;
  min-height: 2.85rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  cursor: pointer;
  font: inherit;
  font-variant-numeric: tabular-nums;
  transition:
    box-shadow 0.15s,
    transform 0.12s;
}

.detail-slot__num {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 0;
  font-size: clamp(1.2rem, 5.2vmin, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}

.detail-slot__placeholder {
  display: block;
  width: 100%;
  max-width: 100%;
  padding: 0 0.06rem;
  font-size: clamp(0.48rem, 2.1vw, 0.58rem);
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  color: #7f1d1d;
  word-break: keep-all;
}

.detail-slot--hong {
  background: radial-gradient(circle at 32% 24%, #ffffff 0%, #fff1f2 38%, #fda4af 100%);
  color: #450a0a;
  border-color: rgba(185, 28, 28, 0.35);
}

.detail-slot--lan {
  background: radial-gradient(circle at 32% 24%, #ffffff 0%, #e0f2fe 40%, #7dd3fc 100%);
  color: #0f172a;
  border-color: rgba(29, 78, 216, 0.35);
}

.detail-slot--lv {
  background: radial-gradient(circle at 32% 24%, #ffffff 0%, #ecfccb 36%, #86efac 100%);
  color: #052e16;
  border-color: rgba(21, 128, 61, 0.35);
}

.detail-slot.is-active {
  box-shadow:
    0 0 0 2px #d4a017,
    0 4px 14px rgba(15, 23, 42, 0.12);
  transform: translateY(-1px);
}

.detail-slot.is-tema-slot:not(.is-active) {
  box-shadow: inset 0 0 0 2px rgba(212, 160, 23, 0.55);
}

.detail-slot--empty {
  cursor: default;
  pointer-events: none;
  min-height: 2.85rem;
}

/* 空槽与已填红波格统一红波底，文案「未检测到号码」 */
.detail-slot--empty.detail-slot--hong {
  background: radial-gradient(circle at 32% 24%, #ffffff 0%, #fff1f2 38%, #fda4af 100%);
  color: #450a0a;
  border-color: rgba(185, 28, 28, 0.35);
}

.detail-root .detail-strip {
  margin-top: 0;
}

.detail-strip {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.65rem;
  margin-top: 0.75rem;
  padding: 0.75rem 0.95rem;
  background: #f8fafc;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.55;
}

/* 左栏给足宽度，避免 max-content 把整列收成「球宽」导致短文只能竖排 */
.detail-strip__row {
  display: grid;
  grid-template-columns: clamp(15.5rem, 30vw, 24rem) minmax(0, 1fr);
  align-items: start;
  gap: 0.65rem 1rem;
}

.detail-strip__leftcol {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.45rem;
  min-width: 0;
  width: 100%;
  max-width: none;
}

.detail-strip__leftcol .detail-strip__numcol {
  align-self: center;
}

.detail-strip--tema {
  border-color: rgba(212, 160, 23, 0.55);
  background: linear-gradient(180deg, #fffbeb 0%, #f8fafc 55%, #f1f5f9 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.detail-strip__numcol {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  min-width: 3.5rem;
  padding-top: 0.1rem;
}

.detail-strip__role {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-transform: none;
  white-space: nowrap;
}

.detail-strip--tema .detail-strip__role {
  color: var(--accent-on-light);
}

.detail-ball {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.95rem;
  height: 2.95rem;
  border-radius: 50%;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  font-size: 1.02rem;
  letter-spacing: -0.04em;
  line-height: 1;
  border: 3px solid transparent;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 -0.5px 0 rgba(15, 23, 42, 0.06),
    0 2px 6px rgba(15, 23, 42, 0.1);
}

.detail-ball--hong {
  background: radial-gradient(circle at 32% 24%, #ffffff 0%, #fff1f2 38%, #fda4af 100%);
  border-color: #b91c1c;
  color: #450a0a;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.92),
    inset 0 -0.5px 0 rgba(185, 28, 28, 0.12),
    0 2px 8px rgba(185, 28, 28, 0.22),
    0 0 0 1px rgba(185, 28, 28, 0.12);
}

.detail-ball--lan {
  background: radial-gradient(circle at 32% 24%, #ffffff 0%, #e0f2fe 40%, #7dd3fc 100%);
  border-color: #1d4ed8;
  color: #0f172a;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.92),
    inset 0 -0.5px 0 rgba(29, 78, 216, 0.1),
    0 2px 8px rgba(29, 78, 216, 0.2),
    0 0 0 1px rgba(29, 78, 216, 0.12);
}

.detail-ball--lv {
  background: radial-gradient(circle at 32% 24%, #ffffff 0%, #ecfccb 36%, #86efac 100%);
  border-color: #15803d;
  color: #052e16;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.92),
    inset 0 -0.5px 0 rgba(21, 128, 61, 0.1),
    0 2px 8px rgba(21, 128, 61, 0.2),
    0 0 0 1px rgba(21, 128, 61, 0.12);
}

.detail-strip__meta {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(6.1rem, 1fr));
  gap: 0.45rem 0.55rem;
  align-items: stretch;
  padding-top: 0.1rem;
  border-left: 1px solid var(--border);
  padding-left: 1rem;
  margin-left: 0.1rem;
}

.detail-kv {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
  padding: 0.4rem 0.55rem 0.45rem 0.6rem;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-left-width: 3px;
  border-left-color: rgba(15, 23, 42, 0.12);
}

.detail-kv strong {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-transform: none;
}

.detail-kv__val {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  font-synthesis: none;
  font-variant-numeric: normal;
  color: var(--text);
  min-height: var(--detail-kv-val-line);
  line-height: var(--detail-kv-val-line);
  word-break: break-word;
}

.detail-kv--sx {
  border-left-color: #c2410c;
  background: linear-gradient(135deg, rgba(255, 247, 237, 0.95) 0%, rgba(255, 255, 255, 0.85) 100%);
}

.detail-kv--sx strong {
  color: #9a3412;
}

.detail-kv--wx-jin {
  border-left-color: var(--jin);
}
.detail-kv--wx-jin strong {
  color: #713f12;
}

.detail-kv--wx-mu {
  border-left-color: var(--mu);
}
.detail-kv--wx-mu strong {
  color: #14532d;
}

.detail-kv--wx-shui {
  border-left-color: var(--shui);
}
.detail-kv--wx-shui strong {
  color: #1e40af;
}

.detail-kv--wx-huo {
  border-left-color: var(--huo);
}
.detail-kv--wx-huo strong {
  color: #991b1b;
}

.detail-kv--wx-tu,
.detail-kv--wx-wu {
  border-left-color: var(--tu);
}
.detail-kv--wx-tu strong,
.detail-kv--wx-wu strong {
  color: #713f12;
}

.detail-kv--bo-hong {
  border-left-color: var(--hong);
  background: linear-gradient(135deg, rgba(254, 242, 242, 0.9) 0%, rgba(255, 255, 255, 0.88) 100%);
}

.detail-kv--bo-hong .detail-kv__val {
  color: #7f1d1d;
}

/* misc 四项（半波/头数/门数/合数分组）与「波色·红波」卡视觉统一 */
.detail-kv--misc.detail-kv--like-bo-hong {
  border-left-color: var(--hong);
  background: linear-gradient(135deg, rgba(254, 242, 242, 0.9) 0%, rgba(255, 255, 255, 0.88) 100%);
}

.detail-kv--misc.detail-kv--like-bo-hong strong {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.detail-kv--misc.detail-kv--like-bo-hong .detail-kv__val {
  color: #7f1d1d;
  font-weight: 700;
  font-size: 0.875rem;
}

.detail-strip__flow > .detail-kv--misc.detail-kv--like-bo-hong:not(.detail-kv--long) {
  padding: 0.28rem 0.5rem 0.32rem;
}

.detail-strip__flow > .detail-kv--misc.detail-kv--like-bo-hong:not(.detail-kv--long) strong {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.detail-strip__flow > .detail-kv--misc.detail-kv--like-bo-hong:not(.detail-kv--long) .detail-kv__val {
  font-size: 0.875rem;
  font-weight: 700;
  color: #7f1d1d;
}

.detail-strip__extras--short .detail-kv--misc.detail-kv--like-bo-hong .detail-kv__val {
  font-size: 0.875rem;
  font-weight: 700;
  color: #7f1d1d;
}

.detail-strip__extras--short .detail-kv--misc.detail-kv--like-bo-hong strong {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.detail-strip__extras--short .detail-kv--misc.detail-kv--like-bo-hong {
  padding: 0.28rem 0.5rem 0.3rem 0.55rem;
}

.detail-kv--bo-lan {
  border-left-color: var(--lan);
  background: linear-gradient(135deg, rgba(239, 246, 255, 0.95) 0%, rgba(255, 255, 255, 0.88) 100%);
}

.detail-kv--bo-lan .detail-kv__val {
  color: #1e3a8a;
}

.detail-kv--bo-lv {
  border-left-color: var(--lv);
  background: linear-gradient(135deg, rgba(240, 253, 244, 0.95) 0%, rgba(255, 255, 255, 0.88) 100%);
}

.detail-kv--bo-lv .detail-kv__val {
  color: #14532d;
}

.detail-kv--he {
  border-left-color: #6366f1;
  background: linear-gradient(135deg, rgba(238, 242, 255, 0.85) 0%, rgba(255, 255, 255, 0.88) 100%);
}

.detail-kv--he strong {
  color: #4338ca;
}

.detail-kv--size {
  border-left-color: #0d9488;
  background: linear-gradient(135deg, rgba(240, 253, 250, 0.88) 0%, rgba(255, 255, 255, 0.88) 100%);
}

.detail-kv--size strong {
  color: #0f766e;
}

.detail-kv--misc {
  border-left-color: #64748b;
  background: rgba(248, 250, 252, 0.95);
}

.detail-kv--misc strong {
  color: #475569;
}

.detail-kv--long .detail-kv__val {
  font-size: 0.8125rem;
  font-weight: 500;
  min-height: var(--detail-kv-val-line);
  line-height: var(--detail-kv-val-line);
}

/* 顶栏速查：单容器内全部 .detail-kv 流式换行 */
.detail-strip__flow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.28rem 0.5rem;
  align-items: stretch;
  width: 100%;
  min-width: 0;
}

.detail-strip__flow > .detail-kv {
  flex: 1 1 auto;
  min-width: min(100%, 5.25rem);
  max-width: 100%;
  box-sizing: border-box;
  padding: 0.28rem 0.5rem 0.32rem;
  gap: 0.1rem;
}

.detail-strip__flow > .detail-kv--long {
  flex: 1 1 16rem;
  min-width: min(100%, 12rem);
}

.detail-strip__flow > .detail-kv--long .detail-kv__val {
  min-height: var(--detail-kv-val-line);
  line-height: var(--detail-kv-val-line);
}

.detail-strip__flow > .detail-kv--misc:not(.detail-kv--long) {
  padding: 0.22rem 0.34rem 0.24rem 0.38rem;
}

.detail-strip__flow > .detail-kv--misc:not(.detail-kv--long) strong {
  font-size: 0.6rem;
  letter-spacing: 0.04em;
}

.detail-strip__flow > .detail-kv--misc:not(.detail-kv--long) .detail-kv__val {
  font-size: 0.72rem;
  font-weight: 500;
  min-height: var(--detail-kv-val-line);
  line-height: var(--detail-kv-val-line);
}

/* flow 内数值与汉字混排：再强调同一栈、禁合成 */
.detail-strip__flow > .detail-kv .detail-kv__val {
  font-family: var(--font-sans);
  font-synthesis: none;
  font-variant-numeric: normal;
}

/* 号码下方：短文多列密铺（min 不用 100%，避免父级过窄时强制单列） */
.detail-strip__extras--short {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(4.55rem, 1fr));
  gap: 0.32rem 0.35rem;
  width: 100%;
}

.detail-strip__extras--short .detail-kv {
  padding: 0.28rem 0.38rem 0.3rem 0.42rem;
  min-width: 0;
}

.detail-strip__extras--short .detail-kv strong {
  font-size: 0.6rem;
  letter-spacing: 0.04em;
}

.detail-strip__extras--short .detail-kv__val {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  font-synthesis: none;
  font-variant-numeric: normal;
  min-height: var(--detail-kv-val-line);
  line-height: var(--detail-kv-val-line);
}

/* 底部详项：更窄的列 min，宽屏自动 4～6 列，减少空白与纵向长度 */
.detail-strip__extras--long {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(6.35rem, 1fr));
  gap: 0.4rem 0.5rem;
  padding-top: 0.55rem;
  margin-top: 0.15rem;
  border-top: 1px dashed rgba(15, 23, 42, 0.12);
}

.detail-strip__extras--long > .detail-kv {
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

@media (max-width: 640px) {
  .detail-strip__row {
    grid-template-columns: minmax(0, 1fr);
  }

  .detail-strip__extras--short {
    grid-template-columns: repeat(auto-fit, minmax(5.25rem, 1fr));
  }

  .detail-strip__meta {
    grid-template-columns: repeat(auto-fit, minmax(7.5rem, 1fr));
  }

  .detail-strip__extras--long {
    grid-template-columns: repeat(auto-fit, minmax(7.25rem, 1fr));
  }
}

@media (min-width: 900px) {
  .detail-strip__meta {
    grid-template-columns: repeat(auto-fit, minmax(5.65rem, 1fr));
  }

  .detail-strip__extras--long {
    grid-template-columns: repeat(auto-fit, minmax(5.85rem, 1fr));
  }

  .detail-strip__extras--short {
    grid-template-columns: repeat(auto-fit, minmax(4.15rem, 1fr));
  }
}

.detail-strip--tema .detail-kv {
  background: rgba(255, 255, 255, 0.55);
}

.detail-batch {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-top: 0.75rem;
}

.detail-batch .detail-strip {
  margin-top: 0;
}

details.rule-block {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 0.5rem;
  overflow: hidden;
  background: var(--bg-elevated);
}
details.rule-block summary {
  cursor: pointer;
  padding: 0.7rem 0.95rem;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--text);
  letter-spacing: 0.02em;
}
details.rule-block[open] summary {
  border-bottom: 1px solid var(--border);
}
details.rule-block .rule-body {
  padding: 0.85rem 0.95rem;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--text);
  line-height: 1.6;
  background: #fafbfc;
}
details.rule-block pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-all;
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--muted);
}

.season-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 0.5rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--text);
}
.season-row:last-child {
  border-bottom: none;
}
.season-row em {
  color: var(--accent-on-light);
  font-style: normal;
  font-weight: 700;
  font-family: var(--font-serif);
}

.footer-note {
  text-align: center;
  color: var(--muted);
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.55;
  padding: 2rem max(1rem, env(safe-area-inset-left)) max(3rem, calc(1.5rem + env(safe-area-inset-bottom)))
    max(1rem, env(safe-area-inset-right));
}

.muted {
  color: var(--muted);
  font-weight: 500;
  margin: 0;
  line-height: 1.55;
}

@media (max-width: 720px) {
  .side-nav {
    top: 6.25rem;
  }
  .num-query {
    flex: 1;
    min-width: 0;
  }
  .brand h1 {
    font-size: clamp(1.05rem, 4.2vw, 1.35rem);
  }
  .query-modal__hint {
    font-size: 0.7rem;
  }
}

@media (max-width: 520px) {
  .compare-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.45rem;
  }
  .compare-hint {
    flex: none;
    order: 3;
    font-size: 0.78rem;
  }
  .compare-toolbar .btn-toggle {
    order: 1;
    width: 100%;
    min-height: 44px;
    touch-action: manipulation;
  }
  .compare-toolbar .btn-ghost {
    align-self: stretch;
    text-align: center;
    min-height: 44px;
    touch-action: manipulation;
  }
}

@media (max-width: 480px) {
  .layout {
    padding-left: max(0.35rem, env(safe-area-inset-left));
    padding-right: max(0.35rem, env(safe-area-inset-right));
    padding-top: 0.55rem;
  }
  .card {
    padding: 0.75rem max(0.55rem, env(safe-area-inset-left)) 0.8rem max(0.55rem, env(safe-area-inset-right));
    border-radius: var(--radius-sm);
  }
  .card h2 {
    font-size: 1rem;
  }
  .filter-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.4rem;
  }
  .seg-label {
    margin-bottom: -0.15rem;
  }
  .seg-btns {
    width: 100%;
  }
  .seg-btn {
    min-height: 40px;
    touch-action: manipulation;
  }
  .detail-strip {
    flex-direction: column;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 0.55rem;
    font-size: 0.84rem;
    padding: 0.6rem max(0.45rem, env(safe-area-inset-left)) 0.65rem max(0.45rem, env(safe-area-inset-right));
  }
  .detail-strip__row {
    grid-template-columns: 1fr;
    gap: 0.55rem;
  }
  .detail-slot-bar__grid {
    gap: 0.22rem;
  }
  .detail-slot,
  .detail-slot--empty {
    min-height: 2.45rem;
    padding: 0.26rem 0.08rem 0.28rem;
    border-radius: 8px;
  }
  .detail-slot__num {
    font-size: clamp(1.05rem, 4.5vmin, 1.45rem);
  }
  .detail-slot__placeholder {
    font-size: clamp(0.42rem, 1.9vw, 0.52rem);
  }
  .detail-strip__flow {
    gap: 0.22rem 0.38rem;
  }
  .detail-strip__leftcol {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
    max-width: none;
    width: 100%;
    gap: 0.5rem;
  }
  .detail-strip__leftcol .detail-strip__numcol {
    align-self: flex-start;
  }
  .detail-strip__extras--short {
    flex: 1 1 12rem;
    min-width: min(100%, 10rem);
  }
  .detail-strip__extras--long {
    grid-template-columns: 1fr;
  }
  .detail-strip__meta {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.45rem;
    border-left: none;
    padding-left: 0;
    margin-left: 0;
    border-top: 1px solid var(--border);
    margin-top: 0.15rem;
    padding-top: 0.55rem;
  }
  .detail-kv {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: baseline;
    column-gap: 0.5rem;
    row-gap: 0.15rem;
    padding: 0.38rem 0.5rem 0.42rem 0.55rem;
  }
  .detail-kv strong {
    flex: 0 0 auto;
    min-width: 2.6rem;
    font-size: 0.66rem;
  }
  .detail-kv__val {
    flex: 1 1 12rem;
    min-width: 0;
    font-size: 0.8125rem;
  }
  /* 放在通用 .detail-kv 之后，避免 padding 被覆盖 */
  .detail-strip__flow > .detail-kv {
    min-width: min(100%, 9.25rem);
    padding: 0.26rem 0.45rem 0.28rem;
    gap: 0.08rem;
  }
  .detail-strip__flow > .detail-kv--long {
    flex: 1 1 100%;
    min-width: 100%;
  }
  .detail-strip__flow > .detail-kv--long .detail-kv__val {
    min-height: var(--detail-kv-val-line);
    line-height: var(--detail-kv-val-line);
  }
  .detail-strip__flow > .detail-kv--misc:not(.detail-kv--long) {
    padding: 0.2rem 0.32rem 0.22rem 0.36rem;
  }
  .detail-ball {
    width: 2.75rem;
    height: 2.75rem;
    font-size: 0.95rem;
  }
  .detail-strip__numcol {
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    gap: 0.65rem;
    min-width: 0;
    padding-top: 0;
  }
  .wx-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
    align-items: start;
  }
  .wx-row .wx-tag {
    justify-self: start;
  }
  .season-row {
    grid-template-columns: 1fr;
    font-size: 0.85rem;
  }
  .sx-grid {
    grid-template-columns: 1fr;
  }
  table.props {
    font-size: 0.8rem;
  }
  table.props th,
  table.props td {
    padding: 0.4rem 0.45rem;
  }
  table.compare-table {
    font-size: 0.76rem;
  }
  table.compare-table th,
  table.compare-table td {
    padding: 0.35rem 0.4rem;
  }
  .footer-note {
    padding-left: max(0.5rem, env(safe-area-inset-left));
    padding-right: max(0.5rem, env(safe-area-inset-right));
  }
}

@media (max-width: 380px) {
  .layout {
    padding-left: max(0.3rem, env(safe-area-inset-left));
    padding-right: max(0.3rem, env(safe-area-inset-right));
  }
  .card {
    padding-left: max(0.45rem, env(safe-area-inset-left));
    padding-right: max(0.45rem, env(safe-area-inset-right));
  }
}