/* ============================================================
 * 中华诗词联赋曲骈校验与辅助创作平台 - 丹青重彩主题
 * 朱红 #c13b2a + 金 #b8860b + 宋体 + 米黄底
 * ============================================================ */
:root {
  --color-bg-deep: #f5f0e8;
  --color-bg-surface: #faf6ee;
  --color-bg-elevated: #ffffff;
  --color-bg-hover: #f0ebe0;
  --color-text-primary: #2a1f14;
  --color-text-secondary: #6b5640;
  --color-text-muted: #9c8a74;
  --color-vermilion: #c13b2a;
  --color-vermilion-light: #d95a4a;
  --color-vermilion-pale: #f8e4e0;
  --color-gold-accent: #b8860b;
  --color-gold-accent-light: #d4a532;
  --color-gold-accent-pale: #faf0d8;
  --color-border: #e0d6c8;
  --color-border-light: #ede6da;
  --color-error: #b42a1a;
  --color-success: #2d7a3a;
  --color-warning: #b8860b;
  --color-info: #2a647a;
  --color-gray-pingze: #9c8a74;
  --font-serif: 'Noto Serif SC', 'Songti SC', 'SimSun', Georgia, serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--color-bg-surface);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

/* ============ 顶部导航 ============ */
.top-nav {
  width: 100%;
  background: var(--color-bg-surface);
  border-bottom: 2px solid var(--color-gold-accent);
}
.top-ornament {
  height: 3px;
  background: repeating-linear-gradient(90deg,
    var(--color-gold-accent) 0px, var(--color-gold-accent) 12px,
    var(--color-vermilion) 12px, var(--color-vermilion) 14px,
    transparent 14px, transparent 18px);
}
.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  height: 60px;
}
.app-name {
  font-family: var(--font-serif);
  color: var(--color-vermilion);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.app-name .ornament-mark { color: var(--color-gold-accent); margin-left: 0.5rem; }
.nav-items { display: flex; gap: 2rem; }
.nav-link {
  font-family: var(--font-serif);
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  cursor: pointer;
}
.nav-link:hover { color: var(--color-text-primary); }
.nav-link.active {
  color: var(--color-vermilion);
  border-bottom-color: var(--color-vermilion);
  font-weight: 600;
}

/* ============ Hero 区 ============ */
.hero {
  background: linear-gradient(180deg, var(--color-vermilion-pale) 0%, var(--color-bg-surface) 100%);
  text-align: center;
  padding: 2.5rem 1rem;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin: 0 0 0.5rem;
  color: var(--color-text-primary);
}
.hero p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  margin: 0;
}
.genre-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
}
.genre-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--color-vermilion);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-vermilion);
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.2s;
}
.genre-badge:hover { background: var(--color-vermilion); color: #fff; }
.genre-badge.active { background: var(--color-vermilion); color: #fff; }

/* ============ 工作台三栏布局 ============ */
.workbench {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
  display: grid;
  grid-template-columns: 240px 1fr 360px;
  gap: 1.25rem;
}
@media (max-width: 1024px) {
  .workbench { grid-template-columns: 1fr; }
  .top-nav { padding: 0 1rem; }
  .nav-items { gap: 1rem; }
  .nav-link { font-size: 0.85rem; }
  .float-toolbar { right: 1rem; bottom: 1rem; }
  .float-btn { width: 2.2rem; height: 2.2rem; font-size: 0.8rem; }
}
.panel {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1rem;
}
.panel-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border-light);
  letter-spacing: 0.03em;
}

/* 左栏：体裁选择 */
.form-search {
  margin-bottom: 0.75rem;
}
.form-search-input {
  width: 100%;
  padding: 0.4rem 0.6rem;
  font-size: 0.8rem;
  font-family: var(--font-serif);
  color: var(--color-text-primary);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.lian-input:focus {
  border-color: var(--color-vermilion);
  box-shadow: 0 0 0 2px var(--color-vermilion-pale);
}

/* 自由文体输入（律赋、蒙学、特殊文体） */
.free-style-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--color-bg-surface);
  border-left: 3px solid var(--color-vermilion);
  border-radius: 0 4px 4px 0;
  line-height: 1.6;
}
.free-style-textarea {
  width: 100%;
  min-height: 280px;
  padding: 0.75rem 1rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 2;
  color: var(--color-text-primary);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  resize: vertical;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.free-style-textarea:focus {
  border-color: var(--color-vermilion);
  box-shadow: 0 0 0 2px var(--color-vermilion-pale);
}
.free-style-count {
  text-align: right;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.35rem;
}
.form-search-input::placeholder {
  color: var(--color-text-muted);
}
.form-tree { font-size: 0.875rem; }
.form-group { margin-bottom: 0.5rem; }
.form-group-title {
  font-family: var(--font-serif);
  color: var(--color-vermilion);
  font-weight: 600;
  padding: 0.35rem 0;
  cursor: pointer;
}
.form-item {
  display: block;
  padding: 0.3rem 0.75rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.15s;
  font-size: 0.82rem;
}
.form-item:hover { background: var(--color-bg-hover); }
.form-item.selected { background: var(--color-vermilion-pale); color: var(--color-vermilion); font-weight: 600; }

/* 中栏：创作区 */
.compose-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.compose-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-primary);
}
.format-select {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.format-chip {
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-bg-surface);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}
.format-chip:hover { border-color: var(--color-vermilion); }
.format-chip.selected { background: var(--color-vermilion); color: #fff; border-color: var(--color-vermilion); }

.line-row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.line-index {
  flex-shrink: 0;
  width: 28px;
  text-align: center;
  font-family: var(--font-serif);
  color: var(--color-gold-accent);
  font-size: 0.85rem;
  padding-top: 0.6rem;
}
.line-input-wrap { flex: 1; }
.line-input {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 0.5rem 0.65rem;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: 0.15em;
  background: var(--color-bg-surface);
  color: var(--color-text-primary);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.line-input:focus {
  outline: none;
  border-color: var(--color-vermilion);
  box-shadow: 0 0 0 2px var(--color-vermilion-pale);
}
.line-input.rhyme-line {
  background: var(--color-gold-accent-pale);
  border-color: var(--color-gold-accent-light);
}
.line-input.duizhang-line { border-left: 3px solid var(--color-vermilion); }
.pattern-hint {
  display: flex;
  gap: 0.2rem;
  margin-top: 0.25rem;
  padding-left: 0.1rem;
}
.pattern-cell {
  width: 22px;
  text-align: center;
  font-size: 0.8rem;
  font-family: var(--font-serif);
  color: var(--color-text-muted);
}
.pattern-cell.ping { color: var(--color-success); }
.pattern-cell.ze { color: var(--color-vermilion); }
.pattern-cell.rhyme-mark { color: var(--color-gold-accent); font-weight: 600; }
.line-status {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-top: 0.15rem;
  min-height: 1em;
}

.compose-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

/* ===== 模式切换Tab ===== */
.mode-tabs {
  display: flex;
  gap: 0.25rem;
  border-bottom: 2px solid var(--color-border-light);
  margin-bottom: 1rem;
}
.mode-tab {
  padding: 0.5rem 1.2rem;
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s;
  user-select: none;
}
.mode-tab:hover { color: var(--color-vermilion-light); }
.mode-tab.active {
  color: var(--color-vermilion);
  border-bottom-color: var(--color-vermilion);
  font-weight: 600;
}
.mode-pane { display: none; }
.mode-pane.active { display: block; }

/* ===== 自由文本输入区 ===== */
.free-textarea {
  width: 100%;
  min-height: 320px;
  padding: 0.9rem 1rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 2;
  color: var(--color-text-primary);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}
.free-textarea:focus {
  border-color: var(--color-vermilion-light);
  box-shadow: 0 0 0 3px var(--color-vermilion-pale);
}
.free-textarea::placeholder {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  line-height: 1.8;
}
.free-toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}
.free-count {
  padding: 0.15rem 0.5rem;
  background: var(--color-bg-hover);
  border-radius: 4px;
  font-family: var(--font-sans);
}
.btn-sm { padding: 0.3rem 0.7rem; font-size: 0.75rem; }

/* ===== 体裁识别结果卡片 ===== */
.detect-card {
  background: linear-gradient(135deg, var(--color-gold-accent-pale) 0%, var(--color-vermilion-pale) 100%);
  border: 1px solid var(--color-gold-accent-light);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  margin-bottom: 0.75rem;
}
.detect-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 0.4rem;
}
.detect-cat {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-vermilion);
  padding: 0.15rem 0.6rem;
  background: var(--color-bg-elevated);
  border-radius: 4px;
}
.detect-title {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}
.detect-conf {
  margin-left: auto;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}
.detect-conf.ok { color: var(--color-success); background: rgba(45,122,58,0.1); }
.detect-conf.warn { color: var(--color-warning); background: rgba(184,134,11,0.1); }
.detect-conf.err { color: var(--color-error); background: rgba(180,42,26,0.1); }
.detect-form {
  font-size: 0.85rem;
  color: var(--color-text-primary);
  margin-bottom: 0.4rem;
}
.detect-form b { color: var(--color-vermilion); }
.detect-basis-title, .detect-alt-title {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin: 0.4rem 0 0.2rem;
}
.detect-basis {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}
.detect-basis li { list-style: disc; }
.detect-alt { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.alt-chip {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  color: var(--color-text-secondary);
  cursor: default;
}
.detect-unsupported {
  margin-top: 0.5rem;
  padding: 0.5rem 0.7rem;
  font-size: 0.72rem;
  color: var(--color-warning);
  background: rgba(184,134,11,0.08);
  border-left: 3px solid var(--color-warning);
  border-radius: 4px;
  line-height: 1.6;
}
.detect-supported {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-success);
}
.btn {
  padding: 0.5rem 1.1rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: var(--font-serif);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
  letter-spacing: 0.05em;
}
.btn-filled {
  background: var(--color-vermilion);
  color: #fff;
  border-color: var(--color-vermilion);
}
.btn-filled:hover { background: var(--color-vermilion-light); }
.btn-outline {
  background: transparent;
  color: var(--color-vermilion);
  border-color: var(--color-vermilion);
}
.btn-outline:hover { background: var(--color-vermilion-pale); }
.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}
.btn-ghost:hover { background: var(--color-bg-hover); }

/* 右栏：校验结果 */
.result-summary {
  padding: 0.6rem 0.75rem;
  border-radius: 6px;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
}
.result-summary.ok { background: rgba(45,122,58,0.1); color: var(--color-success); border: 1px solid rgba(45,122,58,0.25); }
.result-summary.warn { background: rgba(184,134,11,0.1); color: var(--color-warning); border: 1px solid rgba(184,134,11,0.25); }
.result-summary.err { background: rgba(180,42,26,0.1); color: var(--color-error); border: 1px solid rgba(180,42,26,0.25); }

.issue-list { font-size: 0.8rem; }
.issue-item {
  padding: 0.5rem 0.65rem;
  border-radius: 4px;
  margin-bottom: 0.4rem;
  border-left: 3px solid;
  line-height: 1.5;
}
.issue-item.hard { background: var(--color-vermilion-pale); border-left-color: var(--color-error); }
.issue-item.soft { background: var(--color-gold-accent-pale); border-left-color: var(--color-warning); }
.issue-item.note { background: var(--color-bg-hover); border-left-color: var(--color-info); }
.issue-type {
  font-weight: 600;
  font-family: var(--font-serif);
  margin-right: 0.25rem;
}
.issue-tag {
  display: inline-block;
  padding: 0 0.4rem;
  border-radius: 3px;
  font-size: 0.68rem;
  margin-right: 0.3rem;
}
.tag-hard { background: var(--color-error); color: #fff; }
.tag-soft { background: var(--color-warning); color: #fff; }
.tag-note { background: var(--color-info); color: #fff; }

/* 平仄标注 */
.tone-display {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.5rem;
  padding: 0.5rem;
  background: var(--color-bg-surface);
  border-radius: 6px;
}
.tone-char {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  min-width: 28px;
  padding: 0.15rem 0.1rem;
  border-radius: 4px;
}
.tone-char .ch {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-text-primary);
}
.tone-char .mark { font-size: 0.7rem; }
.tone-char.ok .mark { color: var(--color-success); }
.tone-char.err .ch { color: var(--color-error); }
.tone-char.err .mark { color: var(--color-error); }
.tone-char.flex .mark { color: var(--color-gray-pingze); }
.tone-char.unknown .ch { color: var(--color-text-muted); }
.tone-char.unknown .mark { color: var(--color-text-muted); }
.tone-char.rusheng .ch::after { content: '₍ᵢ₎'; font-size: 0.5rem; color: var(--color-info); vertical-align: sub; }
/* 多音字待确认（依律推断）——灰色标识 */
.tone-char.infer { background: var(--color-bg-hover); border: 1px dashed var(--color-text-muted); }
.tone-char.infer .ch { color: var(--color-text-secondary); }
.tone-char.infer .mark { color: var(--color-text-muted); }
/* 双韵对照模式：古今平仄分栏 */
.tone-display.dual-mode .tone-char { min-width: 32px; }
.tone-char .mark-dual { display: flex; flex-direction: column; align-items: center; line-height: 1.1; font-size: 0.62rem; }
.tone-char .mark-dual .ancient { color: var(--color-text-secondary); }
.tone-char .mark-dual .modern { color: var(--color-info); }
/* 入声字古今平仄差异——金框高亮 */
.tone-char.diff { border: 1.5px solid var(--color-gold-accent); background: var(--color-gold-accent-pale); border-radius: 4px; }
.tone-char.diff .ch { color: var(--color-gold-accent); font-weight: 600; }
/* 出韵推荐替换字 */
.rec-row { margin-top: 0.3rem; padding-top: 0.3rem; border-top: 1px dashed var(--color-border-light); font-size: 0.72rem; line-height: 1.8; }
.rec-label { color: var(--color-text-muted); }
.rec-char { display: inline-block; margin: 0 0.2rem; padding: 0.1rem 0.4rem; font-family: var(--font-serif); font-size: 0.9rem; color: var(--color-vermilion); background: var(--color-vermilion-pale); border: 1px solid var(--color-vermilion-light); border-radius: 3px; cursor: pointer; text-decoration: none; transition: all 0.15s; }
.rec-char:hover { background: var(--color-vermilion); color: #fff; }

/* 空状态 */
.empty-state {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  padding: 2rem 1rem;
  font-family: var(--font-serif);
}

/* 浮动工具栏 */
.float-toolbar {
  position: fixed;
  right: 1.5rem;
  bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 100;
}
.float-btn {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-bg-surface);
  color: var(--color-text-primary);
  font-family: var(--font-serif);
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: all 0.2s ease;
}
.float-btn:hover {
  border-color: var(--color-vermilion);
  color: var(--color-vermilion);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(180, 60, 40, 0.15);
}
.float-btn:active {
  transform: translateY(0);
}

/* 页脚 */
.footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  border-top: 1px solid var(--color-border-light);
  margin-top: 2rem;
}
.footer .copyright { font-family: var(--font-serif); letter-spacing: 0.05em; }
.footer .copyright-link {
  color: inherit;
  text-decoration: none;
  transition: color 0.18s;
}
.footer .copyright-link:hover {
  color: var(--color-vermilion);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ============ 对联/诗钟创作区 ============ */
.lian-row { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.6rem; }
.lian-side-label {
  flex-shrink: 0; width: 2.5rem; text-align: center;
  font-family: var(--font-serif); font-size: 0.85rem; color: var(--color-vermilion);
  letter-spacing: 0.15em; font-weight: 600;
}
.lian-input { width: 100%; }
.lian-options-row {
  display: flex; align-items: center; flex-wrap: wrap; gap: 0.5rem;
  padding: 0.6rem 0.5rem; margin-bottom: 0.5rem;
  background: var(--color-bg-hover); border-radius: 6px; border: 1px solid var(--color-border-light);
}
.lian-field-label {
  font-family: var(--font-serif); font-size: 0.8rem; color: var(--color-text-secondary);
  font-weight: 600;
}
.lian-select {
  font-size: 0.8rem; padding: 0.25rem 0.5rem; border: 1px solid var(--color-border);
  border-radius: 4px; background: var(--color-bg-surface); color: var(--color-text-primary);
  font-family: var(--font-serif); max-width: 12rem;
}
.lian-title-input {
  font-size: 0.8rem; padding: 0.25rem 0.5rem; border: 1px solid var(--color-border);
  border-radius: 4px; background: var(--color-bg-surface); width: 9rem;
  font-family: var(--font-serif);
}
.zhong-desc {
  font-size: 0.72rem; color: var(--color-text-muted); line-height: 1.6;
  padding: 0 0.5rem 0.5rem; font-family: var(--font-serif);
}

/* ============ 对联/诗钟校验结果展示 ============ */
.lian-display {
  display: flex; flex-direction: column; gap: 0.75rem;
  margin: 0.75rem 0; padding: 0.75rem; background: var(--color-bg-hover);
  border-radius: 6px; border: 1px solid var(--color-border-light);
}
.lian-side { display: flex; align-items: flex-start; gap: 0.5rem; flex-wrap: wrap; }
.lian-side-tag {
  flex-shrink: 0; width: 2.5rem; text-align: center; padding-top: 0.15rem;
  font-family: var(--font-serif); font-size: 0.8rem; color: var(--color-vermilion);
  font-weight: 600; letter-spacing: 0.1em;
}
.seg-tag {
  font-size: 0.68rem; color: var(--color-gold-accent); padding: 0.1rem 0.4rem;
  background: var(--color-gold-accent-pale); border-radius: 3px; margin-right: 0.3rem;
  align-self: center;
}
.lian-chars { display: flex; flex-wrap: wrap; gap: 0.2rem; flex: 1; }
.lian-char {
  display: inline-flex; align-items: center; justify-content: center;
  width: 1.8rem; height: 1.8rem; font-size: 1rem; font-family: var(--font-serif);
  border-radius: 4px; border: 1px solid transparent; cursor: default;
  transition: all 0.15s;
}
.lian-char.ping { color: var(--color-success); background: rgba(45,122,58,0.08); }
.lian-char.ze { color: var(--color-vermilion); background: rgba(193,59,42,0.08); }
.lian-char.unknown { color: var(--color-text-muted); background: var(--color-bg-surface); }
.lian-char.rhythm { border-color: var(--color-gold-accent); font-weight: 600; box-shadow: 0 0 0 1px var(--color-gold-accent-pale); }
.lian-char.bad { background: rgba(180,42,26,0.18); color: var(--color-error); border-color: var(--color-error); }
.lian-char.warn { background: rgba(184,134,11,0.15); border-color: var(--color-warning); }
.lian-char:hover { transform: translateY(-2px); box-shadow: 0 2px 6px rgba(0,0,0,0.12); }

.lian-zhong, .lian-issues {
  margin-top: 0.5rem; padding: 0.6rem; background: var(--color-bg-surface);
  border-radius: 6px; border: 1px solid var(--color-border-light);
}
.result-section-title {
  font-family: var(--font-serif); font-size: 0.82rem; color: var(--color-text-primary);
  font-weight: 600; margin-bottom: 0.4rem; padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--color-border-light);
}
.issue-dim { margin-bottom: 0.5rem; }
.dim-label {
  display: inline-block; font-size: 0.72rem; font-family: var(--font-serif);
  color: var(--color-gold-accent); font-weight: 600; margin-bottom: 0.2rem;
  padding: 0.05rem 0.4rem; background: var(--color-gold-accent-pale); border-radius: 3px;
}
.issue-item {
  font-size: 0.75rem; line-height: 1.7; padding: 0.1rem 0.5rem; font-family: var(--font-serif);
}
.issue-item.hard { color: var(--color-error); }
.issue-item.soft { color: var(--color-text-muted); }

/* 提示泡 */
.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-text-primary);
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  font-size: 0.85rem;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.toast.show { opacity: 1; }

/* ============ 曲牌列表宫调分组 ============ */
.qupai-gongdiao {
  font-family: var(--font-serif);
  font-size: 0.72rem;
  color: var(--color-gold-accent);
  font-weight: 600;
  padding: 0.35rem 0.75rem 0.15rem;
  margin-top: 0.3rem;
  letter-spacing: 0.1em;
  border-bottom: 1px dashed var(--color-border-light);
}
.qupai-gongdiao:first-child { margin-top: 0; }

/* ============ 词牌/曲牌阕分隔标签 ============ */
.section-label {
  font-family: var(--font-serif);
  font-size: 0.78rem;
  color: var(--color-gold-accent);
  font-weight: 600;
  padding: 0.4rem 0.5rem 0.2rem;
  margin-top: 0.3rem;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--color-border-light);
}
.section-label:first-child { margin-top: 0; }

/* ============ 衬字标注（曲体） ============ */
/* 衬字——灰色虚框，不参与平仄校验 */
.tone-char.chenzi {
  background: var(--color-bg-hover);
  border: 1px dashed var(--color-text-muted);
  border-radius: 4px;
}
.tone-char.chenzi .ch {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-style: italic;
}
.tone-char.chenzi .mark { color: var(--color-text-muted); }

/* ============ 对仗等级卡片（对联诗钟） ============ */
.dz-level-card {
  margin: 0.75rem 0;
  padding: 0.6rem 0.75rem;
  border-radius: 6px;
  border-left: 3px solid;
  background: var(--color-bg-hover);
}
.dz-level-card.ok { border-left-color: var(--color-success); }
.dz-level-card.warn { border-left-color: var(--color-warning); }
.dz-level-card.err { border-left-color: var(--color-error); }
.dz-level-title {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--color-text-primary);
  margin-bottom: 0.4rem;
}
.dz-level-title b { color: var(--color-gold-accent); }
.dz-seg-list { display: flex; flex-direction: column; gap: 0.2rem; }
.dz-seg-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  padding: 0.15rem 0.3rem;
  border-radius: 3px;
}
.dz-seg-item.gong { background: rgba(34,139,34,0.08); }
.dz-seg-item.lin { background: rgba(184,134,11,0.08); }
.dz-seg-item.kuan { background: rgba(100,100,100,0.06); }
.dz-seg-item.bu { background: rgba(193,59,42,0.08); }
.dz-seg-name { color: var(--color-text-muted); min-width: 4rem; }
.dz-seg-level {
  font-weight: 600;
  min-width: 3rem;
  text-align: center;
  border-radius: 3px;
  padding: 0.05rem 0.3rem;
}
.dz-seg-item.gong .dz-seg-level { color: var(--color-success); }
.dz-seg-item.lin .dz-seg-level { color: var(--color-gold-accent); }
.dz-seg-item.kuan .dz-seg-level { color: var(--color-text-secondary); }
.dz-seg-item.bu .dz-seg-level { color: var(--color-error); }
.dz-seg-detail { color: var(--color-text-secondary); flex: 1; }

/* ===== 特殊文体轻校验结果（楚辞体/乐府体/自度曲） ===== */
.special-notice {
  font-size: 0.74rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin: 0.4rem 0 0.6rem;
  padding: 0.45rem 0.65rem;
  background: var(--color-bg-hover);
  border-radius: 5px;
  border-left: 3px solid var(--color-info);
}
.special-meta {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin: 0.3rem 0;
  font-size: 0.8rem;
}
.special-meta .meta-label {
  flex-shrink: 0;
  min-width: 3.5rem;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-align: right;
}
.special-meta .meta-val {
  color: var(--color-text-primary);
  font-family: var(--font-serif);
}
.special-marks {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.3rem 0;
  font-size: 0.8rem;
}
.special-marks .meta-label {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  min-width: 3.5rem;
  text-align: right;
}
.mark-chip {
  display: inline-block;
  padding: 0.12rem 0.55rem;
  font-family: var(--font-serif);
  font-size: 0.82rem;
  color: var(--color-vermilion);
  background: var(--color-vermilion-pale);
  border: 1px solid var(--color-vermilion-light);
  border-radius: 3px;
  cursor: help;
}
/* 乐府古题卡片 */
.special-yuefu {
  margin: 0.5rem 0;
  padding: 0.6rem 0.75rem;
  background: var(--color-bg-surface);
  border-radius: 6px;
  border-left: 3px solid var(--color-gold-accent);
}
.yuefu-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-gold-accent);
  font-weight: 600;
}
.yuefu-meta {
  font-size: 0.74rem;
  color: var(--color-text-secondary);
  margin-top: 0.2rem;
}
.yuefu-note {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
  line-height: 1.6;
}
/* 自度曲谱式卡片 */
.special-zidu {
  margin: 0.5rem 0;
  padding: 0.6rem 0.75rem;
  background: var(--color-bg-surface);
  border-radius: 6px;
  border-left: 3px solid var(--color-info);
}
.zidu-title {
  font-family: var(--font-serif);
  font-size: 0.92rem;
  color: var(--color-info);
  font-weight: 600;
}
.zidu-meta {
  font-size: 0.74rem;
  color: var(--color-text-secondary);
  margin-top: 0.2rem;
}
.zidu-rhyme {
  font-size: 0.74rem;
  color: var(--color-gold-accent);
  margin-top: 0.2rem;
}
.zidu-saved {
  font-size: 0.72rem;
  color: var(--color-success);
  margin-top: 0.25rem;
}
.zidu-similar {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-top: 0.2rem;
  line-height: 1.6;
}
/* 逐句平仄标注（特殊文体） */
.special-tone-title {
  font-family: var(--font-serif);
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  margin: 0.7rem 0 0.25rem;
}
.special-tone-legend {
  font-size: 0.68rem;
  color: var(--color-text-muted);
  margin-bottom: 0.4rem;
  display: flex;
  gap: 0.8rem;
}
.special-tone-legend .lg-ping { color: var(--color-success); }
.special-tone-legend .lg-ze { color: var(--color-text-primary); }
.special-tone-legend .lg-ru { color: var(--color-info); }
.special-tone-row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.special-tone-row .str-idx {
  flex-shrink: 0;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  padding-top: 0.35rem;
  min-width: 3rem;
}
/* 韵脚归类 */
.special-rhyme-title {
  font-family: var(--font-serif);
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  margin: 0.7rem 0 0.25rem;
}
.rhyme-group {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin: 0.25rem 0;
  font-size: 0.78rem;
  padding: 0.3rem 0.5rem;
  background: var(--color-bg-hover);
  border-radius: 4px;
}
.rhyme-group .rg-label {
  flex-shrink: 0;
  font-size: 0.72rem;
  color: var(--color-gold-accent);
  min-width: 5rem;
}
.rhyme-group .rg-chars {
  font-family: var(--font-serif);
  color: var(--color-text-primary);
}
/* 参考提示 */
.special-notes-title {
  font-family: var(--font-serif);
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  margin: 0.7rem 0 0.25rem;
}
.special-notes {
  margin: 0.2rem 0 0.5rem;
  padding-left: 1.2rem;
  font-size: 0.76rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}
.special-notes li {
  margin-bottom: 0.15rem;
  list-style: disc;
}

/* ===== 律赋骈文校验结果 ===== */
.duiou-pair {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.25rem 0;
  padding: 0.35rem 0.5rem;
  background: var(--color-bg-hover);
  border-radius: 4px;
  font-size: 0.78rem;
  flex-wrap: wrap;
}
.duiou-pair .dp-idx {
  flex-shrink: 0;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  min-width: 3.5rem;
}
.duiou-pair .dp-up,
.duiou-pair .dp-low {
  font-family: var(--font-serif);
  color: var(--color-text-primary);
}
.duiou-pair .dp-sep {
  color: var(--color-text-muted);
}
.duiou-pair .dp-level {
  flex-shrink: 0;
  font-size: 0.7rem;
  padding: 0.1rem 0.45rem;
  border-radius: 3px;
  margin-left: auto;
  border: 1px solid;
}
.duiou-pair .dp-level.ok {
  color: var(--color-success);
  background: rgba(60, 130, 80, 0.08);
  border-color: rgba(60, 130, 80, 0.3);
}
.duiou-pair .dp-level.warn {
  color: var(--color-gold-accent);
  background: rgba(184, 134, 11, 0.08);
  border-color: rgba(184, 134, 11, 0.3);
}
.duiou-pair .dp-level.err {
  color: var(--color-vermilion);
  background: var(--color-vermilion-pale);
  border-color: var(--color-vermilion-light);
}
.duiou-pair .dp-level.unknown {
  color: var(--color-text-muted);
  background: var(--color-bg-hover);
  border-color: var(--color-border-light);
}
.duiou-more {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-align: center;
  margin: 0.4rem 0;
  font-style: italic;
}
.rhyme-group .rg-status {
  font-size: 0.68rem;
  padding: 0.08rem 0.4rem;
  border-radius: 3px;
  margin-left: auto;
}
.rhyme-group .rg-status.ok {
  color: var(--color-success);
  background: rgba(60, 130, 80, 0.08);
}
.rhyme-group .rg-status.err {
  color: var(--color-vermilion);
  background: var(--color-vermilion-pale);
}
.rhyme-group .rg-status.warn {
  color: var(--color-gold-accent);
  background: rgba(184, 134, 11, 0.08);
}
.issue-item {
  font-size: 0.76rem;
  margin: 0.25rem 0;
  padding: 0.35rem 0.5rem;
  border-radius: 4px;
  line-height: 1.6;
}
.issue-item.err {
  color: var(--color-vermilion);
  background: var(--color-vermilion-pale);
  border-left: 3px solid var(--color-vermilion);
}
.issue-item.warn {
  color: var(--color-gold-accent);
  background: rgba(184, 134, 11, 0.06);
  border-left: 3px solid var(--color-gold-accent);
}
.issue-item .iss-type {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-right: 0.2rem;
}

/* ===== 校验-修正闭环：出律字悬浮推荐弹层 ===== */
.tone-char.has-rec {
  cursor: pointer;
  border-bottom: 2px solid var(--color-vermilion);
  border-radius: 0 0 2px 2px;
  position: relative;
}
.tone-char.has-rec::after {
  content: '▾';
  position: absolute;
  top: -2px;
  right: -2px;
  font-size: 0.55rem;
  color: var(--color-vermilion);
  line-height: 1;
}
.tone-char.has-rec:hover {
  background: var(--color-vermilion-pale);
}
/* 推荐弹层 */
.tone-rec-popup {
  position: absolute;
  z-index: 1000;
  width: 280px;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-vermilion-light);
  border-radius: 6px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
  padding: 0.5rem 0.6rem 0.4rem;
  font-family: var(--font-serif);
}
.trp-head {
  font-size: 0.78rem;
  color: var(--color-text-primary);
  margin-bottom: 0.4rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px dashed var(--color-border-light);
}
.trp-count {
  font-size: 0.68rem;
  color: var(--color-vermilion);
  margin-left: 0.3rem;
}
.trp-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.trp-char {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  min-width: 42px;
  padding: 0.25rem 0.3rem;
  background: var(--color-bg-hover);
  border: 1px solid var(--color-border-light);
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
}
.trp-char:hover {
  background: var(--color-vermilion-pale);
  border-color: var(--color-vermilion-light);
  transform: translateY(-1px);
}
.trp-ch {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-text-primary);
  line-height: 1.1;
}
.trp-src {
  font-size: 0.58rem;
  color: var(--color-text-muted);
  margin-top: 0.1rem;
  font-family: var(--font-sans);
  max-width: 60px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.trp-tip {
  font-size: 0.66rem;
  color: var(--color-text-muted);
  margin-top: 0.4rem;
  padding-top: 0.3rem;
  border-top: 1px dashed var(--color-border-light);
  text-align: center;
  font-family: var(--font-sans);
}
/* 出律推荐字（区别于出韵推荐字） */
.rec-char.rec-pingze {
  color: var(--color-info);
  background: rgba(0, 100, 160, 0.06);
  border-color: rgba(0, 100, 160, 0.25);
}
.rec-char.rec-pingze:hover {
  background: rgba(0, 100, 160, 0.12);
}

/* ====================================================================
   格律讲堂（教学层）
   ==================================================================== */
.lecture-view {
  max-width: 1200px;
  margin: 1.5rem auto;
  padding: 0 1rem;
  grid-template-columns: 200px 1fr;
  gap: 1.25rem;
}
.lecture-view .panel {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1rem 1.1rem;
}
.lecture-content-panel {
  min-height: 600px;
}
.lecture-nav-list {
  margin-top: 0.5rem;
}
.lecture-nav-item {
  padding: 0.55rem 0.7rem;
  margin-bottom: 0.3rem;
  font-family: var(--font-serif);
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.18s;
  border-left: 3px solid transparent;
}
.lecture-nav-item:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}
.lecture-nav-item.active {
  background: var(--color-vermilion-pale);
  color: var(--color-vermilion);
  border-left-color: var(--color-vermilion);
  font-weight: 600;
}

/* 讲堂通用标题区 */
.lecture-head {
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border-light);
}
.lecture-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-text-primary);
  margin: 0 0 0.4rem;
  font-weight: 600;
}
.lecture-desc {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin: 0;
}

/* 图解格律谱：诗体切换标签 */
.lecture-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.lecture-tab {
  padding: 0.35rem 0.9rem;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  background: var(--color-bg-hover);
  border: 1px solid var(--color-border-light);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}
.lecture-tab:hover {
  border-color: var(--color-gold-accent-light);
  color: var(--color-gold-accent);
}
.lecture-tab.active {
  background: var(--color-gold-accent);
  color: #fff;
  border-color: var(--color-gold-accent);
}
.lecture-form-pane {
  animation: fadeIn 0.25s ease;
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.lecture-form-desc {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 0.6rem;
  padding: 0.5rem 0.7rem;
  background: var(--color-bg-hover);
  border-radius: 5px;
  border-left: 3px solid var(--color-info);
}
.lecture-rhyme-rule {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}
.lecture-rhyme-rule .lr-label {
  flex-shrink: 0;
  font-size: 0.72rem;
  color: var(--color-gold-accent);
  font-weight: 600;
}

/* 格律谱卡片 */
.metre-chart-card {
  margin-bottom: 1.1rem;
  padding: 0.85rem 1rem;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-light);
  border-radius: 6px;
}
.metre-chart-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--color-border-light);
}
.metre-chart-head .mc-name {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-vermilion);
  font-weight: 600;
}
.metre-chart-head .mc-standard {
  font-size: 0.68rem;
  color: var(--color-success);
  background: rgba(45, 122, 58, 0.08);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
}
.metre-chart-body {
  margin-bottom: 0.5rem;
}
.metre-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.3rem 0;
  border-bottom: 1px dotted var(--color-border-light);
}
.metre-row:last-child {
  border-bottom: none;
}
.metre-row .mc-idx {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  line-height: 1.5rem;
  text-align: center;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  background: var(--color-bg-hover);
  border-radius: 50%;
}
.metre-row .mc-sym {
  flex-shrink: 0;
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 0.15rem;
  color: var(--color-text-primary);
  min-width: 8rem;
}
.metre-row .mc-tags {
  display: flex;
  gap: 0.25rem;
  flex-shrink: 0;
}
.metre-row .mc-tags .mc-rhyme {
  font-size: 0.62rem;
  color: var(--color-gold-accent);
  background: var(--color-gold-accent-pale);
  padding: 0.05rem 0.35rem;
  border-radius: 3px;
}
.metre-row .mc-tags .mc-duo {
  font-size: 0.62rem;
  color: var(--color-vermilion);
  background: var(--color-vermilion-pale);
  padding: 0.05rem 0.35rem;
  border-radius: 3px;
}
.metre-row .mc-tags .mc-nian {
  font-size: 0.62rem;
  color: var(--color-info);
  background: rgba(42, 100, 122, 0.1);
  padding: 0.05rem 0.35rem;
  border-radius: 3px;
}
.metre-row .mc-tags .mc-dui {
  font-size: 0.62rem;
  color: var(--color-success);
  background: rgba(45, 122, 58, 0.1);
  padding: 0.05rem 0.35rem;
  border-radius: 3px;
}
.metre-row .mc-note {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-left: auto;
}

/* 格律谱范例 */
.metre-example {
  margin-top: 0.6rem;
  padding: 0.5rem 0.7rem;
  background: var(--color-bg-hover);
  border-radius: 5px;
  border-left: 3px solid var(--color-gold-accent);
}
.metre-example .me-label {
  font-size: 0.68rem;
  color: var(--color-gold-accent);
  font-weight: 600;
  margin-right: 0.4rem;
}
.metre-example .me-title {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--color-text-primary);
  margin-right: 0.4rem;
}
.metre-example .me-author {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}
.metre-example .me-lines {
  margin-top: 0.35rem;
}
.metre-example .me-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.15rem 0;
  font-size: 0.8rem;
}
.metre-example .me-text {
  font-family: var(--font-serif);
  color: var(--color-text-primary);
  letter-spacing: 0.1rem;
}
.metre-example .me-sym {
  font-family: var(--font-serif);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1rem;
}

/* 讲堂通用卡片（拗救/诗病/词曲） */
.lecture-card {
  margin-bottom: 1rem;
  padding: 0.85rem 1rem;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-light);
  border-radius: 6px;
  transition: box-shadow 0.2s;
}
.lecture-card.highlight {
  box-shadow: 0 0 0 2px var(--color-gold-accent-light);
  animation: highlightPulse 2s ease;
}
@keyframes highlightPulse {
  0%, 100% { box-shadow: 0 0 0 2px var(--color-gold-accent-light); }
  50% { box-shadow: 0 0 0 4px var(--color-gold-accent-pale); }
}
.lecture-card .lc-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--color-border-light);
  flex-wrap: wrap;
}
.lecture-card .lc-head .lc-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-text-primary);
  font-weight: 600;
}
.lecture-card .lc-head .lc-type,
.lecture-card .lc-head .lc-cat {
  font-size: 0.68rem;
  color: var(--color-info);
  background: rgba(42, 100, 122, 0.1);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
}
.lecture-card .lc-head .lc-sev {
  font-size: 0.68rem;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  margin-left: auto;
}
.lecture-card .lc-head .lc-sev.ok {
  color: var(--color-success);
  background: rgba(45, 122, 58, 0.1);
}
.lecture-card .lc-head .lc-sev.warn {
  color: var(--color-warning);
  background: var(--color-gold-accent-pale);
}
.lecture-card .lc-head .lc-sev.err {
  color: var(--color-error);
  background: var(--color-vermilion-pale);
}
.lecture-card .lc-head .lc-sev.danger {
  color: #fff;
  background: var(--color-error);
}
.lecture-card .lc-body {
  font-size: 0.8rem;
  line-height: 1.8;
}
.lecture-card .lc-row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin: 0.3rem 0;
}
.lecture-card .lc-row .lc-label {
  flex-shrink: 0;
  min-width: 3.5rem;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-align: right;
}
.lecture-card .lc-row .lc-val {
  color: var(--color-text-primary);
  flex: 1;
}
.lecture-card .lc-row.lc-wrong .lc-label {
  color: var(--color-error);
}
.lecture-card .lc-row.lc-wrong .lc-val {
  color: var(--color-error);
}
.lecture-card .lc-row.lc-right .lc-label {
  color: var(--color-success);
}
.lecture-card .lc-row.lc-right .lc-val {
  color: var(--color-success);
}
.lecture-card .lc-desc {
  margin: 0.5rem 0;
  color: var(--color-text-secondary);
  line-height: 1.8;
}
.lecture-card .lc-rule {
  margin: 0.4rem 0;
  padding: 0.4rem 0.6rem;
  background: var(--color-bg-hover);
  border-radius: 4px;
  border-left: 3px solid var(--color-info);
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}
.lecture-card .lc-rule .lc-label {
  flex-shrink: 0;
  font-size: 0.72rem;
  color: var(--color-info);
  font-weight: 600;
}
.lecture-card .lc-example {
  margin: 0.4rem 0;
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}
.lecture-card .lc-example .lc-label {
  flex-shrink: 0;
  font-size: 0.72rem;
  color: var(--color-gold-accent);
  font-weight: 600;
}
.lecture-card .lc-note {
  margin-top: 0.4rem;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  font-style: italic;
}
.lecture-card .lc-link {
  margin-top: 0.5rem;
  font-size: 0.74rem;
  color: var(--color-info);
  cursor: pointer;
  text-decoration: underline;
  text-decoration-style: dotted;
}
.lecture-card .lc-link:hover {
  color: var(--color-vermilion);
}
.lecture-card .lc-standard {
  font-family: var(--font-serif);
  color: var(--color-text-primary);
  letter-spacing: 0.05rem;
}
.lecture-card .lc-actual {
  font-family: var(--font-serif);
  color: var(--color-gold-accent);
  letter-spacing: 0.05rem;
}
.lc-points {
  margin: 0.3rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  line-height: 1.9;
}
.lc-points li {
  margin-bottom: 0.15rem;
  list-style: disc;
}

/* 拗救字位示意 */
.ao-ao, .ao-jiu, .ao-norm {
  display: inline-block;
  min-width: 2.2rem;
  padding: 0.15rem 0.3rem;
  margin-right: 0.3rem;
  text-align: center;
  font-family: var(--font-serif);
  font-size: 0.78rem;
  border-radius: 3px;
}
.ao-ao {
  color: var(--color-error);
  background: var(--color-vermilion-pale);
  border: 1px solid var(--color-vermilion-light);
}
.ao-jiu {
  color: var(--color-success);
  background: rgba(45, 122, 58, 0.1);
  border: 1px solid rgba(45, 122, 58, 0.3);
}
.ao-norm {
  color: var(--color-text-secondary);
  background: var(--color-bg-hover);
  border: 1px solid var(--color-border-light);
}

/* 对仗门类表 */
.duizhang-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.8rem;
  margin-bottom: 1.2rem;
}
.dz-card {
  padding: 0.7rem 0.85rem;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-light);
  border-radius: 6px;
  transition: all 0.18s;
}
.dz-card:hover {
  border-color: var(--color-gold-accent-light);
  box-shadow: 0 3px 10px rgba(184, 134, 11, 0.12);
  transform: translateY(-2px);
}
.dz-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.35rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px dashed var(--color-border-light);
}
.dz-card-head .dz-ml-name {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-vermilion);
  font-weight: 600;
}
.dz-card-head .dz-ml-id {
  font-size: 0.66rem;
  color: var(--color-text-muted);
}
.dz-ml-desc {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-bottom: 0.4rem;
  line-height: 1.6;
}
.dz-ml-chars {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
}
.dz-ml-chars .dz-ch {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--color-text-primary);
  padding: 0.05rem 0.25rem;
  background: var(--color-bg-hover);
  border-radius: 3px;
}
.dz-adj-section {
  margin-top: 1rem;
}
.dz-adj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.5rem;
}
.dz-adj-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.6rem;
  background: var(--color-bg-hover);
  border-radius: 4px;
  font-size: 0.78rem;
}
.dz-adj-row .dz-adj-ml {
  font-family: var(--font-serif);
  color: var(--color-vermilion);
  font-weight: 600;
  flex-shrink: 0;
}
.dz-adj-row .dz-adj-arrow {
  color: var(--color-text-muted);
}
.dz-adj-row .dz-adj-list {
  color: var(--color-text-secondary);
}

/* 术语词典 */
.glossary-search {
  margin-bottom: 0.8rem;
}
.glossary-search-input {
  width: 100%;
  max-width: 400px;
  padding: 0.45rem 0.7rem;
  font-size: 0.85rem;
  font-family: var(--font-serif);
  color: var(--color-text-primary);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  outline: none;
  transition: border-color 0.15s;
}
.glossary-search-input:focus {
  border-color: var(--color-gold-accent);
}
.glossary-cats {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.glossary-cat {
  padding: 0.25rem 0.7rem;
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  background: var(--color-bg-hover);
  border: 1px solid var(--color-border-light);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}
.glossary-cat:hover {
  color: var(--color-vermilion);
  border-color: var(--color-vermilion-light);
}
.glossary-cat.active {
  background: var(--color-vermilion);
  color: #fff;
  border-color: var(--color-vermilion);
}
.glossary-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 0.7rem;
}
.glossary-item {
  padding: 0.65rem 0.8rem;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-light);
  border-radius: 5px;
}
.glossary-item .gi-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}
.glossary-item .gi-term {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-vermilion);
  font-weight: 600;
}
.glossary-item .gi-cat {
  font-size: 0.64rem;
  color: var(--color-info);
  background: rgba(42, 100, 122, 0.1);
  padding: 0.05rem 0.35rem;
  border-radius: 3px;
}
.glossary-item .gi-desc {
  font-size: 0.76rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}
.glossary-item .gi-example {
  margin-top: 0.3rem;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}
.glossary-item .gi-example .gi-label {
  font-size: 0.66rem;
  color: var(--color-gold-accent);
  font-weight: 600;
}
.glossary-item .gi-link {
  margin-top: 0.35rem;
  font-size: 0.7rem;
  color: var(--color-info);
  cursor: pointer;
  text-decoration: underline;
  text-decoration-style: dotted;
}
.glossary-item .gi-link:hover {
  color: var(--color-vermilion);
}

/* ====================================================================
   天下韵宗（专题层）
   ==================================================================== */
.yunzong-view {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem 2rem;
}

/* 顶部导语区 */
.yunzong-hero {
  background: linear-gradient(135deg, var(--color-vermilion-pale) 0%, var(--color-gold-accent-pale) 100%);
  border: 1px solid var(--color-gold-accent-light);
  border-radius: 12px;
  margin: 1.5rem 0;
  padding: 2.5rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.yunzong-hero::before {
  content: '韻';
  position: absolute;
  top: 50%;
  right: 2rem;
  transform: translateY(-50%);
  font-family: var(--font-serif);
  font-size: 10rem;
  color: rgba(184, 134, 11, 0.06);
  font-weight: 700;
  pointer-events: none;
}
.yunzong-hero-inner {
  position: relative;
  z-index: 1;
}
.yunzong-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--color-vermilion);
  margin: 0 0 0.5rem;
  letter-spacing: 0.2em;
  font-weight: 700;
}
.yunzong-subtitle {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-gold-accent);
  margin: 0 0 1.25rem;
  letter-spacing: 0.15em;
}
.yunzong-intro {
  max-width: 600px;
  margin: 0 auto 1rem;
  text-align: left;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 2.2;
  font-family: var(--font-serif);
}
.yunzong-intro p {
  margin: 0;
  text-indent: 2em;
}
.intro-hall {
  color: var(--color-vermilion);
  font-weight: 600;
  letter-spacing: 0.05em;
}
.yunzong-desc {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 1rem 0 0;
  letter-spacing: 0.05em;
}

/* 三栏切换标签 */
.yunzong-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.yunzong-tab {
  background: var(--color-bg-elevated);
  border: 2px solid var(--color-border);
  border-radius: 10px;
  padding: 1.25rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s;
  position: relative;
}
.yunzong-tab:hover {
  border-color: var(--color-gold-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(184, 134, 11, 0.15);
}
.yunzong-tab.active {
  border-color: var(--color-vermilion);
  background: linear-gradient(180deg, var(--color-vermilion-pale) 0%, var(--color-bg-elevated) 100%);
}
.yunzong-tab.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 12px;
  height: 12px;
  background: var(--color-bg-elevated);
  border-right: 2px solid var(--color-vermilion);
  border-bottom: 2px solid var(--color-vermilion);
}
.tab-icon {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-vermilion);
  font-weight: 700;
  margin-bottom: 0.3rem;
}
.tab-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-text-primary);
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 0.2rem;
}
.tab-pinyin {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
}

/* 内容区 */
.yunzong-content-wrapper {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 1.5rem 1.75rem;
  min-height: 500px;
}
.yunzong-pane {
  display: none;
  animation: fadeIn 0.3s ease;
}
.yunzong-pane.active {
  display: block;
}
.pane-header {
  text-align: center;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--color-border-light);
}
.pane-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-vermilion);
  margin: 0 0 0.3rem;
  letter-spacing: 0.15em;
  font-weight: 700;
}
.pane-subtitle {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--color-gold-accent);
  margin: 0;
  letter-spacing: 0.1em;
}
.pane-desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  padding: 0.75rem 1rem;
  background: var(--color-bg-hover);
  border-radius: 6px;
  border-left: 3px solid var(--color-gold-accent);
  margin-bottom: 1.25rem;
  font-family: var(--font-serif);
}

/* 耆英馆 · 学者卡片 */
.scholar-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.scholar-section-block {
  margin-bottom: 0.5rem;
}
.scholar-section-header {
  margin-bottom: 1rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--color-vermilion);
}
.scholar-section-title-main {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-vermilion);
  margin: 0 0 0.25rem 0;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.scholar-section-subtitle {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin: 0;
  font-family: var(--font-serif);
}
.scholar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
  gap: 1rem;
}
.scholar-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-light);
  border-radius: 10px;
  padding: 1rem;
  transition: all 0.25s;
  display: flex;
  gap: 1rem;
}
.scholar-card:hover {
  border-color: var(--color-gold-accent-light);
  box-shadow: 0 4px 16px rgba(184, 134, 11, 0.12);
  transform: translateY(-2px);
}
.scholar-avatar {
  flex-shrink: 0;
  width: 100px;
  height: 130px;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  background: var(--color-gold-accent-pale);
}
.scholar-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.scholar-avatar-fallback {
  display: none;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--color-gold-accent);
  background: linear-gradient(135deg, var(--color-gold-accent-pale), var(--color-bg-surface));
  font-weight: 700;
}
.scholar-body {
  flex: 1;
  min-width: 0;
}
.scholar-head {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 0.15rem;
}
.scholar-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-vermilion);
  font-weight: 700;
  letter-spacing: 0.05em;
}
.scholar-years {
  font-size: 0.72rem;
  color: var(--color-gold-accent);
  background: var(--color-gold-accent-pale);
  padding: 0.08rem 0.4rem;
  border-radius: 3px;
  font-family: var(--font-serif);
}
.scholar-zi-line {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-family: var(--font-serif);
  margin-bottom: 0.5rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px dashed var(--color-border-light);
}
.scholar-section {
  margin-bottom: 0.4rem;
}
.scholar-section:last-child {
  margin-bottom: 0;
}
.scholar-section-label {
  font-size: 0.72rem;
  color: var(--color-gold-accent);
  font-weight: 600;
  margin-bottom: 0.15rem;
  font-family: var(--font-serif);
  letter-spacing: 0.05em;
}
.scholar-section-text {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  font-family: var(--font-serif);
  text-align: justify;
}

/* 汇雍堂 · 社团卡片 */
.society-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1rem;
}
.society-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-light);
  border-radius: 8px;
  padding: 1rem 1.1rem;
  transition: all 0.2s;
}
.society-card:hover {
  border-color: var(--color-vermilion-light);
  box-shadow: 0 2px 8px rgba(193, 59, 42, 0.1);
}
.society-head {
  margin-bottom: 0.6rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--color-border-light);
}
.society-name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-vermilion);
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-bottom: 0.2rem;
}
.society-tag {
  display: inline-block;
  font-size: 0.68rem;
  color: var(--color-gold-accent);
  background: var(--color-gold-accent-pale);
  padding: 0.08rem 0.45rem;
  border-radius: 3px;
  margin-right: 0.3rem;
  font-family: var(--font-serif);
}
.society-section {
  margin-bottom: 0.45rem;
}
.society-section:last-child {
  margin-bottom: 0;
}
.society-section-title {
  font-size: 0.75rem;
  color: var(--color-gold-accent);
  font-weight: 600;
  margin-bottom: 0.2rem;
  font-family: var(--font-serif);
}
.society-section-content {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  font-family: var(--font-serif);
}

/* 翰墨斋 · 刊物卡片 */
.journal-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.journal-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-light);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  transition: all 0.2s;
}
.journal-card:hover {
  border-color: var(--color-gold-accent-light);
  box-shadow: 0 2px 8px rgba(184, 134, 11, 0.1);
}
.journal-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 0.7rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--color-border-light);
}
.journal-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-vermilion);
  font-weight: 700;
  letter-spacing: 0.05em;
}
.journal-type {
  font-size: 0.72rem;
  color: var(--color-gold-accent);
  background: var(--color-gold-accent-pale);
  padding: 0.1rem 0.5rem;
  border-radius: 3px;
  font-family: var(--font-serif);
}
.journal-issn {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  font-family: var(--font-sans);
}
.journal-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem 1.25rem;
  margin-bottom: 0.6rem;
}
.journal-item {
  font-size: 0.8rem;
  line-height: 1.6;
}
.journal-item-label {
  color: var(--color-gold-accent);
  font-weight: 600;
  font-family: var(--font-serif);
  margin-right: 0.3rem;
}
.journal-item-value {
  color: var(--color-text-secondary);
  font-family: var(--font-serif);
}
.journal-desc {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  padding: 0.5rem 0.7rem;
  background: var(--color-bg-hover);
  border-radius: 5px;
  margin-bottom: 0.5rem;
  font-family: var(--font-serif);
}
.journal-email {
  font-size: 0.78rem;
  color: var(--color-info);
  font-family: var(--font-sans);
  padding: 0.4rem 0.6rem;
  background: rgba(42, 100, 122, 0.06);
  border-radius: 4px;
  border-left: 3px solid var(--color-info);
}
.journal-email-label {
  color: var(--color-text-muted);
  margin-right: 0.3rem;
  font-family: var(--font-serif);
}
.journal-email-note {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-top: 0.2rem;
  font-style: italic;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .yunzong-tabs {
    grid-template-columns: 1fr;
  }
  .society-list {
    grid-template-columns: 1fr;
  }
  .journal-grid {
    grid-template-columns: 1fr;
  }
  .yunzong-title {
    font-size: 1.8rem;
  }
  .scholar-grid {
    grid-template-columns: 1fr;
  }
  .scholar-card {
    flex-direction: column;
  }
  .scholar-avatar {
    width: 100%;
    height: 180px;
  }
  .top-nav {
    padding: 0 0.75rem;
  }
  .nav-logo {
    font-size: 1.1rem;
  }
  .nav-items {
    gap: 0.5rem;
  }
  .nav-link {
    font-size: 0.78rem;
    padding: 0.4rem 0.5rem;
  }
  .workbench {
    padding: 1rem 0.75rem;
    gap: 0.75rem;
  }
  .panel {
    padding: 0.75rem;
  }
  .panel-title {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
  }
  .compose-title {
    font-size: 1.1rem;
  }
  .action-bar {
    flex-wrap: wrap;
    gap: 0.4rem;
  }
  .btn {
    padding: 0.4rem 0.7rem;
    font-size: 0.8rem;
  }
  .free-style-textarea {
    min-height: 200px;
    font-size: 0.95rem;
  }
  .result-section-title {
    font-size: 0.9rem;
  }
  .stat-value {
    font-size: 1.2rem;
  }
  .footer {
    padding: 1rem 0.75rem;
    font-size: 0.7rem;
  }
  .float-toolbar {
    right: 0.75rem;
    bottom: 0.75rem;
    gap: 0.4rem;
  }
  .float-btn {
    width: 2rem;
    height: 2rem;
    font-size: 0.75rem;
  }
  .mode-tabs {
    font-size: 0.8rem;
  }
  .mode-tab {
    padding: 0.4rem 0.75rem;
  }
}

/* ============================================================
 * 极简首页（参考小程序输入式设计）· 丹青配色
 * ============================================================ */

/* 隐藏原复杂 Hero 区（极简页专用 hero-simple 替代） */
.hero { display: none; }

/* ---- 极简 Hero：两行居中标语 ---- */
.hero-simple {
  text-align: center;
  padding: 2.2rem 1rem 0.8rem;
}
.hero-slogan {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-vermilion);
}
.hero-sub {
  margin-top: 0.5rem;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

/* ---- 极简工作台容器：居中、限宽、单栏 ---- */
.simple-workbench-wrapper {
  max-width: 720px;
  margin: 0 auto;
  padding: 0.8rem 1rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

/* ---- 创作模板栏 ---- */
.tpl-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 2px;
}
.tpl-bar::-webkit-scrollbar { display: none; }
.tpl-bar-label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
  margin-right: 0.15rem;
}
.tpl-chip {
  padding: 0.28rem 0.85rem;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s;
  font-family: var(--font-serif);
}
.tpl-chip:hover {
  color: var(--color-vermilion);
  border-color: var(--color-vermilion);
}
.tpl-chip.tpl-active {
  color: #fff;
  background: var(--color-vermilion);
  border-color: var(--color-vermilion);
}
.tpl-advanced {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  cursor: pointer;
  flex-shrink: 0;
  user-select: none;
}
.tpl-advanced:hover {
  background: var(--color-bg-hover);
  color: var(--color-vermilion);
}

/* ---- 韵书快速选择 ---- */
.simple-rhyme-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.78rem;
}
.sr-label {
  color: var(--color-text-muted);
  flex-shrink: 0;
  cursor: pointer;
}
.sr-select {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
  cursor: pointer;
  flex-shrink: 0;
}
.sr-select:focus {
  outline: none;
  border-color: var(--color-vermilion);
}
.sr-hint {
  color: var(--color-text-muted);
  font-size: 0.72rem;
  flex-shrink: 0;
}

/* ---- 大输入卡 ---- */
.simple-input-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 1rem;
  box-shadow:
    inset 0 0 0 1px var(--color-bg-elevated),
    inset 0 0 0 2px rgba(193, 59, 42, 0.08);
  transition: box-shadow 0.2s, border-color 0.2s;
}
.simple-input-card:focus-within {
  border-color: var(--color-vermilion);
  box-shadow:
    inset 0 0 0 1px var(--color-bg-elevated),
    inset 0 0 0 2px rgba(193, 59, 42, 0.25),
    0 4px 18px -6px rgba(193, 59, 42, 0.18);
}
.simple-poem-input {
  width: 100%;
  min-height: 180px;
  resize: vertical;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.95;
  color: var(--color-text-primary);
  background: transparent;
  border: none;
  outline: none;
  padding: 0.25rem;
  caret-color: var(--color-vermilion);
}
.simple-poem-input::placeholder {
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  line-height: 1.8;
}
.simple-input-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.75rem;
  padding-top: 0.65rem;
  border-top: 1px dashed var(--color-border-light);
  flex-wrap: wrap;
}
.free-count {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
}
.simple-meta-btn {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  cursor: pointer;
  user-select: none;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s;
}
.simple-meta-btn:hover {
  background: var(--color-bg-hover);
  color: var(--color-vermilion);
}

/* ---- 识别结果条 ---- */
.detect-bar {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.7rem 0.9rem;
  background: var(--color-gold-accent-pale);
  border: 1px solid #e5d3b8;
  border-radius: 8px;
}
.detect-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-gold-accent);
  flex-shrink: 0;
  box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.12);
}
.detect-text {
  flex: 1;
  min-width: 0;
}
.detect-label {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-gold-accent);
  margin-right: 0.5rem;
}
.detect-detail {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
}
.detect-switch {
  flex-shrink: 0;
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg-elevated);
  cursor: pointer;
  user-select: none;
}
.detect-switch:hover {
  border-color: var(--color-vermilion);
  color: var(--color-vermilion);
}

/* ---- 体裁改判 chips ---- */
.override-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.ov-chip {
  padding: 0.28rem 0.85rem;
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s;
}
.ov-chip:hover { border-color: var(--color-vermilion); color: var(--color-vermilion); }
.ov-chip.ov-active {
  color: #fff;
  background: var(--color-vermilion);
  border-color: var(--color-vermilion);
}

/* ---- 一键校验主按钮 ---- */
.check-main-btn {
  width: 100%;
  padding: 0.85rem 1.2rem;
  margin-top: 0.25rem;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: 0.25em;
  text-indent: 0.25em;
  color: #fff;
  background: linear-gradient(150deg, #c74636, #8e2818);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 6px 20px -8px rgba(143, 50, 32, 0.6);
  transition: transform 0.1s, box-shadow 0.2s, filter 0.2s;
  user-select: none;
}
.check-main-btn:hover {
  filter: brightness(1.05);
  box-shadow: 0 8px 24px -8px rgba(143, 50, 32, 0.75);
}
.check-main-btn:active {
  transform: translateY(1px);
  box-shadow: 0 4px 14px -6px rgba(143, 50, 32, 0.55);
}
.check-main-btn:disabled {
  filter: grayscale(0.4) brightness(0.9);
  cursor: not-allowed;
  opacity: 0.75;
}

/* ---- 校验结果面板（首页下方展开） ---- */
.simple-result-panel {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  overflow: hidden;
  animation: srpIn 0.3s ease;
}
@keyframes srpIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
.srp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border-light);
  background: linear-gradient(180deg, var(--color-gold-accent-pale) 0%, transparent 100%);
}
.srp-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-vermilion);
  letter-spacing: 0.05em;
}
.srp-close {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  cursor: pointer;
  user-select: none;
}
.srp-close:hover {
  background: var(--color-bg-hover);
  color: var(--color-vermilion);
}
.simple-result-panel #simpleResultContent {
  padding: 1rem;
  max-height: 65vh;
  overflow-y: auto;
}

/* ---- 响应式：窄屏 ---- */
@media (max-width: 640px) {
  .hero-simple { padding: 1.4rem 0.75rem 0.4rem; }
  .simple-workbench-wrapper { padding: 0.5rem 0.75rem 3rem; gap: 0.65rem; }
  .simple-input-card { padding: 0.75rem; border-radius: 8px; }
  .simple-poem-input { min-height: 160px; font-size: 1rem; line-height: 1.9; }
  .check-main-btn { padding: 0.75rem 1rem; font-size: 0.95rem; letter-spacing: 0.18em; }
  .tpl-bar { gap: 0.35rem; }
  .tpl-chip { padding: 0.25rem 0.65rem; font-size: 0.78rem; }
  .sr-hint { display: none; }
  .simple-meta-btn { font-size: 0.75rem; padding: 0.18rem 0.4rem; }
  .detect-bar { padding: 0.55rem 0.7rem; gap: 0.5rem; }
  .detect-label { font-size: 0.88rem; }
  .detect-detail { font-size: 0.72rem; }
}

/* ---- 宽屏适配：在大屏上保持简洁不拉伸 ---- */
@media (min-width: 1280px) {
  .simple-workbench-wrapper {
    max-width: 760px;
  }
}

/* ---- 导航栏在小屏的折叠适配 ---- */
@media (max-width: 780px) {
  .nav-inner {
    height: auto;
    flex-wrap: wrap;
    padding: 0.5rem 0.75rem;
    gap: 0.4rem;
  }
  .nav-items {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
    gap: 0.75rem;
  }
  .nav-items::-webkit-scrollbar { display: none; }
  .nav-link { white-space: nowrap; }
  .nav-inner > div:last-child { display: none; }
}

/* ============================================================
   § 工作台内部 Tab（极简校验 / 依谱创作 / 辅助工具）
   ============================================================ */
.wb-tabs {
  display: flex;
  gap: 0.35rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 5px;
  margin-bottom: 1rem;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}
.wb-tab {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 0.9rem;
  border-radius: 7px;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-text-muted);
  transition: all 0.18s ease;
  user-select: none;
  white-space: nowrap;
}
.wb-tab:hover {
  background: rgba(193, 59, 42, 0.05);
  color: var(--color-text);
}
.wb-tab-ic {
  font-size: 0.95rem;
  transform: translateY(-0.5px);
}
.wb-tab-active {
  background: linear-gradient(180deg, var(--color-vermilion), #a52b20);
  color: #fff !important;
  box-shadow:
    0 4px 10px -2px rgba(193, 59, 42, 0.45),
    inset 0 -1px 0 rgba(0, 0, 0, 0.12);
  letter-spacing: 0.02em;
}
.wb-tab-active .wb-tab-ic { opacity: 0.95; }

/* Tab 内容面板 */
.wb-pane {
  display: none;
  animation: paneFade 0.22s ease;
}
.wb-pane-active { display: block; }
@keyframes paneFade {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.pane-empty-tip {
  padding: 1rem 1.1rem;
  border: 1px dashed var(--color-border);
  border-radius: 8px;
  color: var(--color-text-muted);
  font-family: var(--font-serif);
  font-size: 0.9rem;
  background: rgba(193, 59, 42, 0.02);
}

/* 辅助工具卡片 */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 0.9rem;
  margin-bottom: 0.5rem;
}
.tool-card {
  padding: 1.1rem 1rem 1.05rem;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg-elevated);
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}
.tool-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-vermilion), var(--color-gold));
  opacity: 0.7;
}
.tool-card:hover {
  transform: translateY(-2px);
  border-color: rgba(193, 59, 42, 0.35);
  box-shadow: 0 8px 18px -10px rgba(193, 59, 42, 0.4);
}
.tool-ic {
  font-size: 1.5rem;
  margin-bottom: 0.4rem;
}
.tool-t {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 0.2rem;
}
.tool-s {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* 韵书查询按钮（紧邻韵书选择） */
.btn-rhymelookup {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.3rem 0.7rem;
  margin-left: 0.4rem;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--color-vermilion);
  background: rgba(193, 59, 42, 0.06);
  border: 1px solid rgba(193, 59, 42, 0.25);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.18s;
  white-space: nowrap;
}
.btn-rhymelookup:hover {
  background: var(--color-vermilion);
  color: #fff;
  border-color: var(--color-vermilion);
  box-shadow: 0 2px 6px rgba(193, 59, 42, 0.25);
}

/* ============================================================
   § 韵书查询 · 可拖动浮动面板
   ============================================================ */
.yunshu-floating {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none; /* 覆盖层不拦截事件，面板本体恢复 */
  font-family: var(--font-serif);
}

.ym-float-panel {
  pointer-events: auto;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(1080px, 94vw);
  height: min(84vh, 820px);
  min-width: 420px;
  min-height: 260px;
  background: var(--color-bg-elevated);
  border-radius: 14px;
  border: 1px solid var(--color-border);
  /* 滚动隔离：面板内滚动不到页面上去 */
  overscroll-behavior: contain;
  box-shadow:
    0 24px 60px -16px rgba(0, 0, 0, 0.45),
    0 8px 24px -8px rgba(193, 59, 42, 0.18),
    0 0 0 1px rgba(255, 255, 255, 0.03) inset;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: ymFloatIn 0.24s cubic-bezier(.2,.7,.2,1);
  transition: box-shadow 0.2s, transform 0.02s;
  resize: both; /* 右下角可拖拽调节大小 */
}
.yunshu-floating.ym-pinned .ym-float-panel {
  box-shadow:
    0 14px 36px -10px rgba(0, 0, 0, 0.35),
    0 0 0 2px rgba(193, 59, 42, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset;
}
.yunshu-floating.ym-dragging .ym-float-panel {
  transition: none;
  box-shadow:
    0 30px 80px -16px rgba(0, 0, 0, 0.55),
    0 0 0 2px rgba(193, 59, 42, 0.45);
  z-index: 10001;
}
@keyframes ymFloatIn {
  from { opacity: 0; transform: translate(-50%, calc(-50% + 10px)) scale(0.985); }
  to   { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

/* 折叠态：仅保留标题栏 */
.yunshu-floating.ym-collapsed .ym-float-panel {
  height: auto !important;
  min-height: 0;
  width: 360px;
  transform: translate(-50%, -50%);
}
.yunshu-floating.ym-collapsed .ym-body-wrap {
  display: none;
}

/* 拖动 handle（头部） */
.ym-drag-handle {
  cursor: move;
  user-select: none;
  touch-action: none; /* 触屏拖动时不触发页面滚动 */
}
.ym-drag-handle:active {
  cursor: grabbing;
}
.ym-head-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-width: 0;
}
.ym-drag-ic {
  font-size: 1rem;
  color: var(--color-text-muted);
  opacity: 0.55;
  letter-spacing: -2px;
  cursor: grab;
}
.ym-head-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.ym-icon-btn {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.18s;
  padding: 0;
}
.ym-icon-btn:hover {
  background: rgba(193, 59, 42, 0.08);
  color: var(--color-vermilion);
  border-color: rgba(193, 59, 42, 0.3);
}
.ym-icon-btn.ym-pinned {
  background: rgba(193, 59, 42, 0.12);
  color: var(--color-vermilion);
  border-color: rgba(193, 59, 42, 0.4);
}

.ym-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  background:
    linear-gradient(180deg, rgba(193, 59, 42, 0.04), transparent 70%),
    var(--color-bg-card);
}
.ym-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.04em;
}
.ym-sub {
  margin-top: 3px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}
.ym-close {
  width: 34px; height: 34px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.18s;
}
.ym-close:hover {
  background: rgba(193, 59, 42, 0.08);
  color: var(--color-vermilion);
  border-color: rgba(193, 59, 42, 0.3);
}

/* 检测到的韵脚条 */
.ym-rhyme-foot {
  padding: 0.7rem 1.25rem;
  background: linear-gradient(90deg, rgba(217, 144, 50, 0.08), transparent 60%);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
}
.ym-rf-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}
.ym-rf-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  flex: 1;
}
.ym-rf-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.12rem 0.2rem 0.12rem 0.5rem;
  background: #fff;
  border: 1px solid rgba(217, 144, 50, 0.4);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.18s;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}
.ym-rf-chip:hover {
  border-color: var(--color-vermilion);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px -4px rgba(193, 59, 42, 0.35);
}
.ym-rf-ch {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
  margin-right: 2px;
}
.ym-rf-bu {
  display: inline-block;
  padding: 1px 6px;
  background: linear-gradient(180deg, var(--color-vermilion), #a52b20);
  color: #fff;
  border-radius: 10px;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}

/* 搜索栏 */
.ym-search-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-card);
}
.ym-srch-ic { color: var(--color-text-muted); font-size: 0.95rem; }
.ym-srch-input {
  flex: 1;
  height: 34px;
  padding: 0 0.75rem;
  border-radius: 7px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--color-text);
  outline: none;
  transition: all 0.18s;
}
.ym-srch-input::placeholder { color: var(--color-text-muted); opacity: 0.7; }
.ym-srch-input:focus {
  border-color: rgba(193, 59, 42, 0.45);
  box-shadow: 0 0 0 3px rgba(193, 59, 42, 0.08);
  background: #fff;
}
.ym-sheng-select {
  height: 34px;
  padding: 0 0.5rem;
  border-radius: 7px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--color-text);
  cursor: pointer;
  outline: none;
}
.ym-sheng-select:hover { border-color: rgba(193, 59, 42, 0.35); }

/* Body：左右分栏 */
.ym-body {
  flex: 1;
  display: flex;
  overflow: hidden;
  min-height: 0;
}
.ym-bu-side {
  width: 230px;
  flex-shrink: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  touch-action: pan-y;
  border-right: 1px solid var(--color-border);
  background: var(--color-bg-card);
  padding: 0.5rem 0.35rem 0.7rem;
}
.ym-sheng-group + .ym-sheng-group { margin-top: 0.25rem; }
.ym-sheng-title {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  font-weight: 700;
  padding: 0.35rem 0.45rem 0.1rem;
  letter-spacing: 0.05em;
  position: sticky;
  top: 0;
  background: inherit;
  z-index: 1;
}
.ym-bu-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3px;
  padding: 0.2rem 0.25rem 0.4rem;
}
.ym-bu-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.28rem 0.4rem;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.83rem;
  color: var(--color-text);
  transition: all 0.14s;
  border: 1px solid transparent;
}
.ym-bu-name { font-weight: 600; }
.ym-bu-cnt {
  font-size: 0.68rem;
  color: var(--color-text-muted);
  opacity: 0.85;
}
.ym-bu-item:hover {
  background: rgba(193, 59, 42, 0.06);
}
.ym-bu-active {
  background: linear-gradient(180deg, var(--color-vermilion), #a52b20);
  color: #fff !important;
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: 0 3px 8px -3px rgba(193, 59, 42, 0.55);
}
.ym-bu-active .ym-bu-cnt { color: rgba(255, 255, 255, 0.8); }

/* 右侧韵字面板 */
.ym-char-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  overscroll-behavior: contain;
  background: var(--color-bg-elevated);
}
.ym-char-head {
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
  gap: 0.5rem;
}
.ym-cur-bu {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-vermilion);
  letter-spacing: 0.05em;
}
.ym-char-ops {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}
.ym-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
}
.ym-toggle input { accent-color: var(--color-vermilion); }
.ym-char-count {
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(193, 59, 42, 0.08);
  color: var(--color-vermilion);
  font-size: 0.78rem;
  font-weight: 600;
}

.ym-char-grid {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  touch-action: pan-y;
  padding: 0.85rem 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(44px, 1fr));
  gap: 6px;
  align-content: flex-start;
}
.ym-char {
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-kai, var(--font-serif));
  font-size: 1.1rem;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  cursor: pointer;
  transition: all 0.16s;
  user-select: none;
}
.ym-char:hover {
  transform: translateY(-1px);
  background: #fff;
  box-shadow: 0 3px 8px -3px rgba(0, 0, 0, 0.25);
  border-color: rgba(193, 59, 42, 0.4);
  color: var(--color-vermilion);
}
.ym-char.tone-ping {
  border-left: 3px solid var(--color-vermilion);
}
.ym-char.tone-ze {
  border-left: 3px solid var(--color-ink);
}
.ym-char.tone-mixed {
  border-left: 3px solid var(--color-gold);
}

.ym-tip {
  padding: 0.5rem 1rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  background: var(--color-bg-card);
}

.ym-foot {
  display: flex;
  align-items: center;
  padding: 0.7rem 1rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-card);
  gap: 0.5rem;
  font-size: 0.82rem;
}
.ym-foot-l { color: var(--color-text-muted); }
.btn-sm {
  padding: 0.3rem 0.8rem !important;
  font-size: 0.82rem !important;
  height: auto !important;
  line-height: 1.5 !important;
  border-radius: 6px !important;
}
.btn-ghost {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  cursor: pointer;
  font-family: var(--font-serif);
  transition: all 0.18s;
}
.btn-ghost:hover {
  background: rgba(193, 59, 42, 0.05);
  border-color: rgba(193, 59, 42, 0.3);
  color: var(--color-vermilion);
}
.btn-filled {
  background: linear-gradient(180deg, var(--color-vermilion), #a52b20);
  border: 1px solid #a52b20;
  color: #fff !important;
  cursor: pointer;
  font-family: var(--font-serif);
  transition: all 0.18s;
  box-shadow: 0 2px 6px rgba(193, 59, 42, 0.35);
}
.btn-filled:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px -2px rgba(193, 59, 42, 0.55);
}

.ym-empty {
  padding: 1.8rem 0.8rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  line-height: 1.7;
}

/* 浮动面板响应式 */
@media (max-width: 820px) {
  .ym-float-panel {
    width: 96vw !important;
    height: 86vh !important;
  }
  .ym-bu-side { width: 150px; }
  .ym-bu-list { grid-template-columns: 1fr; }
  .yunshu-floating.ym-collapsed .ym-float-panel {
    width: 92vw !important;
  }
}
@media (max-width: 540px) {
  .ym-float-panel {
    width: 100vw !important;
    height: 92vh !important;
    border-radius: 12px;
  }
  .ym-body { flex-direction: column; }
  .ym-bu-side {
    width: 100%;
    max-height: 38%;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }
  .ym-bu-list { grid-template-columns: repeat(4, 1fr); }
  .ym-char-grid { grid-template-columns: repeat(auto-fill, minmax(40px, 1fr)); padding: 0.6rem 0.5rem; }
  .ym-rhyme-foot { padding: 0.5rem 0.75rem; }
  .ym-search-bar { padding: 0.5rem 0.75rem; }
  .ym-char-head, .ym-head { padding: 0.65rem 0.85rem; }
  .ym-foot { padding: 0.5rem 0.75rem; }
  .ym-foot-l { display: none; }
  .wb-tabs { overflow-x: auto; flex-wrap: nowrap; }
  .wb-tab { flex: none; min-width: 92px; }
}