/* ═══════════════════════════════════════════
   国学老熊 · 白底泥金
   白底为主，磁青作装饰（顶栏/版心/页脚），泥金点缀
   朱砂只留给印章
   ═══════════════════════════════════════════ */

:root {
  --bg:          #FAFAF7;
  --bg-warm:     #F5F3EE;
  --ciqing:      #1E2C33;
  --ciqing-lift: #263840;
  --ink:         #2A2A28;
  --ink-dim:     #6B6B65;
  --nijin:       #C6A567;
  --nijin-dim:   rgba(198,165,103,.35);
  --zhusha:      #B8382A;
  --border:      #D8D4CC;
  --border-light:#E8E5DE;

  --f-display: 'ZCOOL XiaoWei','Noto Serif SC', serif;
  --f-body:    'Noto Serif SC','Songti SC','SimSun', serif;
  --f-brush:   'Ma Shan Zheng', cursive;
  --f-latin:   'Cormorant Garamond', Georgia, serif;
  --wrap: 960px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-body);
  font-weight: 300;
  line-height: 1.9;
  letter-spacing: .04em;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--nijin); outline-offset: 4px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 40px; }
.latin {
  font-family: var(--f-latin);
  letter-spacing: .18em;
  text-transform: uppercase;
  font-size: .72rem;
  color: var(--nijin);
}

/* ── 顶栏（磁青） ── */
header {
  position: sticky; top: 0; z-index: 20;
  background: var(--ciqing);
  border-bottom: 1px solid var(--nijin-dim);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand-group { display: flex; align-items: center; gap: 14px; }
.seal {
  width: 38px; height: 38px;
  background: var(--zhusha); color: #F4E9DD;
  font-family: var(--f-brush); font-size: 18px; line-height: 1;
  display: grid; place-items: center;
  box-shadow: inset 0 0 0 1.5px rgba(244,233,221,.85), inset 0 0 0 3px var(--zhusha);
  border-radius: 2px;
}
.brand-text {
  font-family: var(--f-display);
  font-size: 1.35rem;
  letter-spacing: .3em;
  color: #E6ECE4;
}
.brand-text small {
  display: block;
  font-family: var(--f-latin);
  letter-spacing: .22em;
  font-size: .62rem;
  color: var(--nijin);
  text-transform: uppercase;
  line-height: 1;
  margin-top: 2px;
}
.nav { display: flex; gap: 40px; list-style: none; }
.nav a {
  font-size: .92rem; letter-spacing: .2em;
  padding: 6px 0; position: relative;
  color: rgba(230,236,228,.6); transition: color .3s;
}
.nav a::after {
  content: ''; position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 1px; background: var(--nijin);
  transition: right .35s ease;
}
.nav a:hover { color: #E6ECE4; }
.nav a:hover::after, .nav a.active::after { right: 0; }
.nav a.active { color: #E6ECE4; }

/* ── 首屏 ── */
.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: center;
  padding: 60px 0 80px;
}
.hero-text { max-width: 480px; }
.hero-text .latin { display: block; margin-bottom: 28px; }
.hero-text h1 {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(2rem, 3.4vw, 2.8rem);
  line-height: 1.6;
  letter-spacing: .12em;
  margin-bottom: 26px;
  color: var(--ink);
}
.hero-text h1 em { font-style: normal; color: var(--zhusha); }
.hero-text p {
  color: var(--ink-dim);
  font-size: 1rem;
  max-width: 40ch;
  margin-bottom: 40px;
}
.btn-row { display: flex; gap: 18px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 14px 34px;
  font-family: var(--f-body);
  font-size: .92rem;
  letter-spacing: .3em;
  border: 1px solid var(--ciqing);
  color: #fff;
  background: var(--ciqing);
  transition: transform .3s, box-shadow .3s;
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(30,44,51,.18); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--border); }
.btn.ghost:hover { border-color: var(--ink); box-shadow: none; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }

/* 版心（磁青底，保留古籍感） */
.banxin {
  display: flex; flex-direction: row-reverse;
  height: min(480px, 65vh);
  border: 1px solid var(--nijin);
  padding: 28px 0;
  position: relative;
  background: var(--ciqing);
  color: #E6ECE4;
  box-shadow: 0 0 0 6px var(--bg), 0 0 0 7px var(--nijin-dim);
}
.banxin::before, .banxin::after {
  content: ''; position: absolute;
  left: 50%; transform: translateX(-50%);
  width: 22px; height: 9px; background: var(--nijin);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}
.banxin::before { top: 0; }
.banxin::after { bottom: 0; transform: translateX(-50%) rotate(180deg); }
.col {
  writing-mode: vertical-rl; text-orientation: upright;
  padding: 0 22px;
  border-left: 1px solid var(--nijin-dim);
  display: flex; align-items: flex-start;
  opacity: 0; transform: translateY(-14px);
  animation: drop .9s cubic-bezier(.2,.7,.2,1) forwards;
}
.col:first-child { border-left: none; }
.col:nth-child(1) { animation-delay: .15s; }
.col:nth-child(2) { animation-delay: .35s; }
.col:nth-child(3) { animation-delay: .55s; }
.col:nth-child(4) { animation-delay: .75s; }
.col.main {
  font-family: var(--f-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  letter-spacing: .35em; line-height: 1;
  padding: 0 28px;
}
.col.sub { font-size: 1rem; letter-spacing: .42em; color: rgba(230,236,228,.6); }
.col.note { font-size: .8rem; letter-spacing: .3em; color: var(--nijin); text-orientation: mixed; }
.col .stamp {
  margin-top: auto;
  width: 30px; height: 30px;
  background: var(--zhusha); color: #F4E9DD;
  font-family: var(--f-brush); font-size: 14px;
  display: grid; place-items: center;
  box-shadow: inset 0 0 0 1px rgba(244,233,221,.85);
  opacity: .92; transform: rotate(-2deg);
  writing-mode: vertical-rl; text-orientation: upright;
  letter-spacing: 0; line-height: 1;
}
@keyframes drop { to { opacity: 1; transform: none; } }

/* ── 通用节 ── */
section { padding: 100px 0; }
.sec-head {
  display: flex; align-items: baseline;
  justify-content: space-between; gap: 30px;
  margin-bottom: 50px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 22px;
}
.sec-head h2 {
  font-family: var(--f-display);
  font-weight: 400; font-size: 2rem;
  letter-spacing: .3em;
}
.sec-head h2 span {
  font-family: var(--f-brush);
  color: var(--nijin); font-size: 1.1rem;
  letter-spacing: .1em; margin-left: 16px;
}
.sec-head p {
  color: var(--ink-dim); font-size: .9rem;
  max-width: 36ch; text-align: right;
}

/* ── 工具卡片 ── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.tool-card {
  background: var(--bg);
  padding: 38px 28px 34px;
  position: relative;
  transition: background .4s;
  text-decoration: none; color: inherit;
  display: block;
}
.tool-card:hover { background: var(--bg-warm); }
.tool-card .glyph {
  font-family: var(--f-brush);
  font-size: 4rem; line-height: 1;
  color: var(--nijin); opacity: .45;
  margin-bottom: 16px;
  transition: opacity .4s;
}
.tool-card:hover .glyph { opacity: .85; }
.tool-card h3 {
  font-family: var(--f-display);
  font-weight: 400; font-size: 1.2rem;
  letter-spacing: .2em; margin-bottom: 6px;
}
.tool-card .latin { display: block; margin-bottom: 16px; }
.tool-card p {
  color: var(--ink-dim); font-size: .88rem;
  min-height: 4.5em;
}
.tool-card .badge {
  display: inline-block;
  border: 1px solid var(--border);
  color: var(--ink-dim);
  font-size: .72rem; padding: 2px 10px;
  letter-spacing: .2em; margin-top: 16px;
}
.tool-card .badge.ready {
  border-color: var(--ciqing);
  color: var(--ciqing);
}
.tool-card .badge.soon {
  border-color: var(--border);
  color: var(--ink-dim);
}

/* ── 页脚（磁青） ── */
footer {
  background: var(--ciqing);
  color: #E6ECE4;
  padding: 60px 0 36px;
}
.foot-inner {
  display: flex; justify-content: space-between;
  align-items: flex-end; gap: 40px;
  margin-bottom: 40px;
}
.foot-motto {
  font-family: var(--f-display);
  font-size: 1.1rem; letter-spacing: .25em;
  line-height: 2;
}
.foot-motto small {
  display: block;
  font-family: var(--f-body);
  font-size: .82rem;
  color: rgba(230,236,228,.55);
  letter-spacing: .08em;
  margin-top: 8px;
}
.foot-links { display: flex; gap: 40px; }
.foot-links div h4 {
  font-family: var(--f-display);
  font-weight: 400; letter-spacing: .3em;
  font-size: .9rem; margin-bottom: 12px;
  color: var(--nijin);
}
.foot-links ul { list-style: none; font-size: .85rem; color: rgba(230,236,228,.55); }
.foot-links li { padding: 3px 0; }
.foot-links li a:hover { color: #E6ECE4; }
.copy {
  display: flex; justify-content: space-between;
  color: rgba(230,236,228,.45); font-size: .78rem;
  letter-spacing: .1em;
  border-top: 1px solid rgba(198,165,103,.2);
  padding-top: 24px;
}

/* ── 工具页 ── */
.tool-page { padding: 40px 0 80px; }
.breadcrumb {
  font-size: .85rem; color: var(--ink-dim);
  margin-bottom: 30px; letter-spacing: .1em;
}
.breadcrumb a { color: var(--nijin); }
.breadcrumb a:hover { color: var(--ink); }
.tool-title {
  font-family: var(--f-display);
  font-weight: 400; font-size: 2rem;
  letter-spacing: .25em; margin-bottom: 8px;
}
.tool-desc {
  font-size: .95rem; color: var(--ink-dim);
  margin-bottom: 40px;
}

/* 输入区 */
.input-group { margin-bottom: 24px; }
.input-label {
  font-size: .8rem; letter-spacing: .2em;
  color: var(--nijin); margin-bottom: 8px;
  display: block;
}
textarea.input {
  width: 100%;
  font-family: var(--f-body);
  font-size: 1rem; line-height: 1.9;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--border);
  padding: 20px;
  resize: vertical;
  min-height: 180px;
  transition: border-color .3s;
  letter-spacing: .04em;
}
textarea.input:focus {
  outline: none;
  border-color: var(--nijin);
}
textarea.input::placeholder { color: rgba(107,107,101,.4); }
.char-count {
  font-size: .78rem; color: var(--ink-dim);
  text-align: right; margin-top: 6px;
  font-family: var(--f-latin); letter-spacing: .1em;
}
.char-count.warn { color: var(--zhusha); }
.tool-actions {
  display: flex; align-items: center;
  gap: 16px; margin-bottom: 10px;
}

/* 示例 */
.examples { padding: 20px 0 60px; }
.examples h4 {
  font-family: var(--f-display);
  font-size: .9rem; color: var(--ink-dim);
  letter-spacing: .2em; margin-bottom: 14px;
}
.example-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.example-chip {
  font-family: var(--f-body);
  font-size: .85rem; padding: 8px 18px;
  background: transparent;
  border: 1px solid var(--border);
  cursor: pointer;
  color: var(--ink-dim);
  transition: border-color .3s, color .3s;
  letter-spacing: .15em;
}
.example-chip:hover {
  border-color: var(--ciqing);
  color: var(--ink);
}

/* 加载 */
.loading { display: none; text-align: center; padding: 50px 0; }
.loading.show { display: block; }
.loading-text {
  font-family: var(--f-display);
  font-size: .95rem; color: var(--ink-dim);
  letter-spacing: .2em;
}
.loading-dots::after {
  content: '';
  animation: dots 1.5s steps(4, end) infinite;
}
@keyframes dots {
  0%  { content: ''; }
  25% { content: '.'; }
  50% { content: '..'; }
  75% { content: '...'; }
}

/* 结果 */
.result { display: none; padding: 40px 0; }
.result.show { display: block; }
.copy-bar { display: flex; justify-content: flex-end; padding: 8px 0 20px; }
.copy-btn {
  font-size: .8rem; color: var(--ink-dim);
  background: none;
  border: 1px solid var(--border);
  padding: 6px 16px; cursor: pointer;
  letter-spacing: .15em;
  transition: color .3s, border-color .3s;
}
.copy-btn:hover { color: var(--ciqing); border-color: var(--ciqing); }
.copy-btn.copied { color: var(--ciqing); border-color: var(--ciqing); }

.result-section {
  background: #fff;
  border: 1px solid var(--border);
  margin-bottom: 12px; overflow: hidden;
}
.result-header {
  display: flex; align-items: center;
  padding: 16px 22px;
  cursor: pointer; user-select: none;
  border-left: 3px solid var(--nijin);
}
.result-header h4 {
  font-family: var(--f-display);
  font-size: 1rem; font-weight: 400;
  letter-spacing: .2em; flex: 1;
}
.result-header .arrow {
  font-size: .7rem; color: var(--ink-dim);
  transition: transform .2s;
}
.result-section.open .arrow { transform: rotate(90deg); }
.result-body {
  padding: 0 22px 22px 25px;
  font-size: .95rem; line-height: 2;
  white-space: pre-wrap;
  color: var(--ink-dim);
}

/* 错误 */
.error-msg {
  display: none;
  font-size: .88rem;
  color: #9A3030;
  padding: 14px 18px;
  background: rgba(184,56,42,.08);
  border: 1px solid rgba(184,56,42,.2);
  margin-top: 16px;
}
.error-msg.show { display: block; }

/* 底部推荐 */
.sidebar-promos {
  padding: 50px 0;
  border-top: 1px solid var(--border);
}
.sidebar-promos h4 {
  font-family: var(--f-display);
  font-size: .9rem; color: var(--ink-dim);
  letter-spacing: .2em; margin-bottom: 18px;
}
.promo-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.promo-card {
  background: var(--bg);
  padding: 28px 20px;
  text-align: center;
  transition: background .4s;
}
.promo-card:hover { background: var(--bg-warm); }
.promo-card .glyph {
  font-family: var(--f-brush);
  font-size: 2.4rem; line-height: 1;
  color: var(--nijin); opacity: .45;
  margin-bottom: 10px;
}
.promo-card h5 {
  font-family: var(--f-display);
  font-size: .95rem; font-weight: 400;
  letter-spacing: .2em; margin-bottom: 4px;
}
.promo-card p {
  font-size: .78rem; color: var(--ink-dim);
  letter-spacing: .1em;
}

/* ── 对读专用组件 ── */

/* 免责声明 */
.tool-disclaimer {
  font-size: .82rem;
  color: var(--ink-dim);
  margin-top: -8px;
  margin-bottom: 24px;
  padding: 10px 16px;
  background: var(--bg-warm);
  border-left: 2px solid var(--border);
}

/* 步骤条 */
.step-bar {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 36px;
  padding: 0;
}
.step-item {
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: .4;
  transition: opacity .3s;
}
.step-item.active { opacity: 1; }
.step-item.done { opacity: .7; }
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border: 1px solid var(--border);
  font-family: var(--f-display);
  font-size: .85rem;
  color: var(--ink-dim);
}
.step-item.active .step-num {
  background: var(--ciqing);
  color: #E6ECE4;
  border-color: var(--ciqing);
}
.step-item.done .step-num {
  background: var(--nijin-dim);
  border-color: var(--nijin);
  color: var(--ink);
}
.step-label {
  font-family: var(--f-display);
  font-size: .88rem;
  letter-spacing: .15em;
}
.step-divider {
  flex: 1;
  height: 1px;
  background: var(--border);
  margin: 0 16px;
  min-width: 20px;
}

/* 面板控制 */
.step-panel.hidden { display: none; }

/* 按钮变体 */
.btn-secondary {
  background: transparent;
  color: var(--ink-dim);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--bg-warm);
  color: var(--ink);
  border-color: var(--ink-dim);
}

/* Step 1: 句读结果 */
.punct-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.era-badge {
  display: inline-block;
  font-family: var(--f-display);
  font-size: .82rem;
  letter-spacing: .15em;
  padding: 4px 14px;
  background: var(--ciqing);
  color: #E6ECE4;
}
.source-hint {
  font-size: .85rem;
  color: var(--ink-dim);
}

.punct-text-wrap {
  background: #fff;
  border: 1px solid var(--border);
  padding: 28px 24px 16px;
  margin-bottom: 8px;
}
.punct-text {
  font-family: var(--f-body);
  font-size: 1.15rem;
  line-height: 2.2;
  letter-spacing: .08em;
}
.punct-text .punct-mark {
  color: var(--zhusha);
  cursor: pointer;
  position: relative;
  font-weight: 600;
  transition: background .2s;
  padding: 0 1px;
  border-radius: 2px;
}
.punct-text .punct-mark:hover {
  background: rgba(184,56,42,.1);
}
.punct-text .punct-mark.disputed-mark {
  text-decoration: underline;
  text-decoration-style: wavy;
  text-underline-offset: 4px;
}
.punct-tip {
  font-size: .78rem;
  color: var(--ink-dim);
  text-align: right;
  margin-bottom: 16px;
}

/* 标点 popover */
.punct-popover {
  position: absolute;
  z-index: 100;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(0,0,0,.1);
  padding: 12px 16px;
  min-width: 180px;
}
.punct-popover.hidden { display: none; }
.popover-title {
  font-size: .78rem;
  color: var(--ink-dim);
  letter-spacing: .1em;
  margin-bottom: 8px;
}
.popover-marks {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.popover-marks button {
  min-width: 36px; height: 36px;
  font-size: 1.1rem;
  border: 1px solid var(--border);
  background: var(--bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
}
.popover-marks button:hover {
  background: var(--nijin-dim);
  border-color: var(--nijin);
}
.popover-marks button.active {
  background: var(--ciqing);
  color: #E6ECE4;
  border-color: var(--ciqing);
}
.popover-note {
  font-size: .78rem;
  color: var(--ink-dim);
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border-light);
}
.popover-note.hidden { display: none; }

/* 断句争议 */
.punct-disputed h5 {
  font-family: var(--f-display);
  font-size: .88rem;
  letter-spacing: .15em;
  margin-bottom: 12px;
  color: var(--ink-dim);
}
.disputed-item {
  font-size: .85rem;
  color: var(--ink-dim);
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
  line-height: 1.7;
}
.disputed-item:last-child { border-bottom: none; }

/* Step 2: 对读结果 */
.duidu-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.translate-tabs {
  display: flex;
  border: 1px solid var(--border);
}
.tab-btn {
  padding: 8px 20px;
  font-family: var(--f-display);
  font-size: .85rem;
  letter-spacing: .15em;
  background: transparent;
  border: none;
  border-right: 1px solid var(--border);
  cursor: pointer;
  color: var(--ink-dim);
  transition: all .2s;
}
.tab-btn:last-child { border-right: none; }
.tab-btn:hover { background: var(--bg-warm); }
.tab-btn.active {
  background: var(--ciqing);
  color: #E6ECE4;
}
.source-filter {
  font-size: .82rem;
  color: var(--ink-dim);
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}
.source-filter input[type="checkbox"] {
  accent-color: var(--nijin);
}

/* 逐句块 */
.duidu-sentence {
  margin-bottom: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border-light);
}
.duidu-sentence:last-child { border-bottom: none; }
.duidu-sentence.has-ambiguous {
  border-left: 3px solid var(--nijin);
  padding-left: 20px;
}

/* 原文行 + 逐字网格 */
.sentence-original {
  font-family: var(--f-body);
  font-size: 1.15rem;
  line-height: 2;
  letter-spacing: .1em;
  margin-bottom: 12px;
  color: var(--ink);
}
.char-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  margin-bottom: 14px;
}
.char-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 40px;
  padding: 6px 4px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .2s;
  position: relative;
}
.char-cell:hover {
  background: var(--bg-warm);
  border-color: var(--border);
}
.char-cell .char-main {
  font-family: var(--f-body);
  font-size: 1.15rem;
  line-height: 1.4;
}
.char-cell .char-meaning {
  font-size: .7rem;
  color: var(--ink-dim);
  line-height: 1.3;
  max-width: 56px;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.char-cell .char-source-dot {
  position: absolute;
  top: 2px; right: 2px;
  width: 6px; height: 6px;
  border-radius: 50%;
}
.char-source-dot.s-原典 { background: var(--nijin); }
.char-source-dot.s-古注 { background: #6B8E6B; }
.char-source-dot.s-今人 { background: #7A8FA6; }
.char-source-dot.s-推断 { background: var(--border); }

/* 虚词着色 */
.char-cell.is-xuci .char-main { color: var(--ink-dim); }

/* 来源过滤 - 隐藏今人/推断 */
.source-filtered .char-cell.s-今人,
.source-filtered .char-cell.s-推断 { opacity: .25; }

/* 译文行 */
.sentence-translation {
  font-size: .95rem;
  line-height: 1.9;
  color: var(--ink-dim);
  padding: 12px 16px;
  background: var(--bg-warm);
  border-left: 2px solid var(--nijin-dim);
}

/* 来源徽章 */
.source-badge {
  display: inline-block;
  font-size: .68rem;
  padding: 1px 6px;
  letter-spacing: .05em;
  margin-left: 4px;
  vertical-align: middle;
}
.source-badge.s-原典 { background: rgba(198,165,103,.2); color: #8A7340; }
.source-badge.s-古注 { background: rgba(107,142,107,.15); color: #4A6B4A; }
.source-badge.s-今人 { background: rgba(122,143,166,.15); color: #5A6F82; }
.source-badge.s-推断 { background: rgba(216,212,204,.4); color: var(--ink-dim); }

/* 疑难段落 */
.ambiguous-section { margin-top: 36px; }
.ambiguous-title {
  font-family: var(--f-display);
  font-size: .9rem;
  letter-spacing: .15em;
  color: var(--ink-dim);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.ambiguous-item {
  margin-bottom: 20px;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--border);
}
.ambiguous-range {
  font-family: var(--f-body);
  font-size: 1rem;
  letter-spacing: .08em;
  margin-bottom: 10px;
  color: var(--ink);
}
.ambiguous-interp {
  font-size: .85rem;
  line-height: 1.7;
  color: var(--ink-dim);
  padding: 6px 0;
  border-bottom: 1px solid var(--border-light);
}
.ambiguous-interp:last-child { border-bottom: none; }
.ambiguous-interp .interp-reading { color: var(--ink); }

/* 字详情弹窗 */
.char-popup {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.3);
}
.char-popup.hidden { display: none; }
.char-popup-inner {
  background: #fff;
  border: 1px solid var(--border);
  padding: 28px 32px;
  max-width: 400px;
  width: 90%;
  position: relative;
  box-shadow: 0 8px 40px rgba(0,0,0,.12);
}
.char-popup-close {
  position: absolute;
  top: 12px; right: 16px;
  font-size: 1.4rem;
  background: none;
  border: none;
  color: var(--ink-dim);
  cursor: pointer;
  line-height: 1;
}
.char-popup-close:hover { color: var(--ink); }
.char-popup-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-light);
}
.char-popup-char {
  font-family: var(--f-body);
  font-size: 2.4rem;
  line-height: 1;
}
.char-popup-pinyin {
  font-size: .82rem;
  color: var(--ink-dim);
}
.char-popup-body {
  font-size: .88rem;
  line-height: 1.8;
}
.char-popup-body dt {
  color: var(--ink-dim);
  font-size: .78rem;
  letter-spacing: .1em;
  margin-top: 10px;
}
.char-popup-body dt:first-child { margin-top: 0; }
.char-popup-body dd {
  color: var(--ink);
  padding-left: 0;
}

/* ── 响应式 ── */
@media (max-width: 1000px) {
  .hero { grid-template-columns: 1fr; gap: 50px; }
  .banxin { height: 400px; justify-self: end; }
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .foot-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 22px; }
  .nav { display: none; }
  .tools-grid { grid-template-columns: 1fr; }
  .promo-cards { grid-template-columns: 1fr; }
  .sec-head { flex-direction: column; align-items: flex-start; }
  .sec-head p { text-align: left; }
  .copy { flex-direction: column; gap: 8px; }
  .banxin { height: 340px; }
  .foot-links { flex-direction: column; gap: 24px; }
  .step-label { display: none; }
  .step-divider { margin: 0 8px; }
  .duidu-toolbar { flex-direction: column; align-items: flex-start; }
  .translate-tabs { width: 100%; }
  .tab-btn { flex: 1; text-align: center; padding: 8px 10px; }
  .char-cell { min-width: 34px; }
  .char-popup-inner { padding: 20px 18px; }
  .punct-text { font-size: 1rem; }
}
/* ══════════════════════════════════════════════
   AI 起名 · Naming Tool
   ══════════════════════════════════════════════ */

/* ── 表单 ── */
.naming-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 32px;
  max-width: 640px;
  margin: 0 auto;
}
.form-group-full { grid-column: 1 / -1; }
.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink);
  font-size: .95rem;
}
.form-label small { font-weight: 400; color: var(--ink-dim); }
.form-input,
.form-select,
.form-textarea {
  display: block;
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  font-family: var(--f-body);
  font-size: .95rem;
  color: var(--ink);
  transition: border-color .2s;
  box-sizing: border-box;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--nijin);
  box-shadow: 0 0 0 3px var(--nijin-dim);
}
.form-textarea { resize: vertical; min-height: 60px; }
.form-radio-group { display: flex; gap: 18px; }
.form-radio {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: .95rem;
}
.form-radio input[type="radio"] { accent-color: var(--nijin); }
.form-date-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.form-select-year { width: 100px; }
.form-select-md { width: 72px; }
.form-select-hour { width: 150px; }
.form-select-half { flex: 1 1 0; min-width: 0; }
.form-date-sep { color: var(--ink-dim); font-size: .9rem; }
.form-actions { text-align: center; padding-top: 10px; }

/* ── 面板通用 ── */
.panel.hidden, .hidden { display: none; }
.panel-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}
.section-title {
  font-family: var(--f-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink);
  margin: 28px 0 16px;
}
.section-title small { font-weight: 400; color: var(--ink-dim); font-size: .85rem; }

/* ── 五行摘要 ── */
.wuxing-summary {
  background: var(--bg-warm);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--nijin);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 8px;
}
.wuxing-summary .wuxing-title {
  font-weight: 600;
  color: var(--nijin);
  margin-bottom: 6px;
}
.wuxing-summary .wuxing-detail {
  color: var(--ink-dim);
  font-size: .88rem;
  line-height: 1.6;
}

/* ── 气象卡网格 ── */
.atmosphere-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.atmosphere-card {
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  cursor: pointer;
  transition: border-color .2s, background .2s, box-shadow .2s;
  position: relative;
}
.atmosphere-card:hover {
  border-color: var(--nijin-dim);
  background: rgba(198, 165, 103, .04);
}
.atmosphere-card.selected {
  border-color: var(--nijin);
  background: rgba(198, 165, 103, .08);
  box-shadow: 0 0 0 3px var(--nijin-dim);
}
.atmosphere-card .atmo-title {
  font-family: var(--f-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}
.atmosphere-card .atmo-desc {
  font-size: .9rem;
  color: var(--ink);
  line-height: 1.5;
  margin-bottom: 8px;
}
.atmosphere-card .atmo-ref {
  font-size: .82rem;
  color: var(--ink-dim);
  font-style: italic;
  line-height: 1.5;
  margin-bottom: 8px;
}
.atmosphere-card .atmo-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: .8rem;
}
.atmo-element-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: .78rem;
  font-weight: 600;
}
.atmo-element-tag.e-金 { background: #F0EBE0; color: #8B7355; }
.atmo-element-tag.e-木 { background: #E8F0E8; color: #4A7A4A; }
.atmo-element-tag.e-水 { background: #E4EDF4; color: #4A6E8B; }
.atmo-element-tag.e-火 { background: #F4E4E4; color: #8B4A4A; }
.atmo-element-tag.e-土 { background: #F0ECE0; color: #7A6B4A; }
.atmo-direction {
  color: var(--ink-dim);
  font-size: .82rem;
}
.atmosphere-card .atmo-check {
  position: absolute;
  top: 10px;
  right: 12px;
  width: 22px;
  height: 22px;
  border: 2px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  color: transparent;
  transition: all .2s;
}
.atmosphere-card.selected .atmo-check {
  border-color: var(--nijin);
  background: var(--nijin);
  color: #fff;
}

/* ── 候选名卡片 ── */
.candidates-list { display: flex; flex-direction: column; gap: 20px; }
.candidate-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.candidate-card.selected {
  border-color: var(--nijin);
  box-shadow: 0 0 0 3px var(--nijin-dim);
}
.candidate-header {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 24px;
  background: var(--bg-warm);
  border-bottom: 1px solid var(--border-light);
}
.name-display {
  font-family: var(--f-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: .1em;
}
.candidate-meta { flex: 1; }
.candidate-meta .meta-chars {
  display: flex;
  gap: 10px;
  margin-bottom: 4px;
}
.meta-char-tag {
  font-size: .82rem;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--bg);
  border: 1px solid var(--border-light);
}
.meta-char-tag .tag-strokes { color: var(--ink-dim); }
.candidate-meta .meta-atmosphere {
  font-size: .82rem;
  color: var(--ink-dim);
}
.candidate-select {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: .88rem;
  color: var(--ink-dim);
  white-space: nowrap;
}
.candidate-select input[type="checkbox"] { accent-color: var(--nijin); }

/* 七栏分析 */
.columns-body { padding: 16px 24px 20px; }
.column-toggle {
  display: inline-block;
  cursor: pointer;
  font-size: .85rem;
  color: var(--nijin);
  border: none;
  background: none;
  padding: 0;
  margin-bottom: 12px;
}
.column-toggle:hover { text-decoration: underline; }
.column-table {
  display: grid;
  gap: 0;
}
.column-row {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
  align-items: baseline;
}
.column-row:last-child { border-bottom: none; }
.column-row.collapsed { display: none; }
.column-label {
  font-weight: 600;
  font-size: .88rem;
  color: var(--ciqing);
  white-space: nowrap;
}
.column-text {
  font-size: .9rem;
  color: var(--ink);
  line-height: 1.6;
}
.column-source {
  align-self: start;
}

/* 不足之处 */
.shortcoming-list {
  padding: 12px 24px 16px;
  border-top: 1px dashed var(--border-light);
}
.shortcoming-list .shortcoming-title {
  font-size: .82rem;
  color: var(--ink-dim);
  margin-bottom: 4px;
}
.shortcoming-list ul {
  margin: 0;
  padding-left: 18px;
  font-size: .85rem;
  color: var(--ink-dim);
  line-height: 1.6;
}

/* ── 精修结果 ── */
.refined-list { display: flex; flex-direction: column; gap: 28px; }
.refine-block {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.refine-header {
  padding: 18px 24px;
  background: var(--bg-warm);
  border-bottom: 1px solid var(--border-light);
}
.refine-header .refine-name {
  font-family: var(--f-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: .08em;
}
.refine-body { padding: 20px 24px; }
.refine-section { margin-bottom: 20px; }
.refine-section:last-child { margin-bottom: 0; }
.refine-section-title {
  font-weight: 600;
  font-size: .92rem;
  color: var(--ciqing);
  margin-bottom: 8px;
}
.refine-section-text {
  font-size: .9rem;
  color: var(--ink);
  line-height: 1.7;
  white-space: pre-line;
}

/* 替换字表格 */
.alt-char-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
  margin-top: 8px;
}
.alt-char-table th {
  text-align: left;
  padding: 8px 12px;
  background: var(--bg-warm);
  border-bottom: 1px solid var(--border);
  color: var(--ink-dim);
  font-weight: 600;
  font-size: .82rem;
}
.alt-char-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-light);
  color: var(--ink);
}
.alt-char-table .alt-original {
  font-weight: 600;
  color: var(--ink-dim);
  text-decoration: line-through;
}
.alt-char-table .alt-new {
  font-weight: 600;
  color: var(--nijin);
}

/* 综合评语 */
.final-verdict {
  background: var(--bg-warm);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--nijin);
  border-radius: 6px;
  padding: 14px 18px;
  font-size: .92rem;
  color: var(--ink);
  line-height: 1.6;
  margin-top: 8px;
}

/* ── 取名响应式 ── */
@media (max-width: 640px) {
  .naming-form { grid-template-columns: 1fr; }
  .atmosphere-grid { grid-template-columns: 1fr; }
  .candidate-header { flex-direction: column; align-items: flex-start; gap: 12px; padding: 16px; }
  .name-display { font-size: 1.6rem; }
  .columns-body { padding: 12px 16px 16px; }
  .column-row { grid-template-columns: 60px 1fr; gap: 8px; }
  .column-source { grid-column: 2; }
  .refine-body { padding: 16px; }
  .panel-actions { flex-direction: column; align-items: center; }
  .shortcoming-list { padding: 10px 16px 14px; }
}

/* ── 赏析专用组件 ──────────────────────────────────────────────────
   照对读的先例住在本文件里,不另开 shici.css。
   .translate-tabs / .tab-btn / .source-badge / .loading / .error-msg
   都直接复用上面已有的规则,这里只写诗库和六层正文自己的部分。 */

/* 精选诗库 */
.poem-lib { padding: 28px 0 60px; }
.lib-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; }
.lib-head h4 {
  font-family: var(--f-display); font-size: .95rem;
  letter-spacing: .2em; color: var(--ink); margin: 0;
}
.lib-hint { font-size: .78rem; color: var(--ink-dim); letter-spacing: .06em; }

.lib-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.lib-chip {
  padding: 5px 14px; font-family: var(--f-display); font-size: .8rem;
  letter-spacing: .12em; background: transparent;
  border: 1px solid var(--border); color: var(--ink-dim);
  cursor: pointer; transition: all .2s;
}
.lib-chip:hover { background: var(--bg-warm); color: var(--ink); }
.lib-chip.active { background: var(--ciqing); border-color: var(--ciqing); color: #E6ECE4; }

/* 1px 间隙网格 —— 同 .tools-grid 的做法,靠底色透出当细线 */
.poem-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 1px; background: var(--border-light); border: 1px solid var(--border-light);
}
.poem-card {
  display: flex; flex-direction: column; gap: 5px; align-items: flex-start;
  padding: 16px 18px; background: var(--bg); border: none;
  text-align: left; cursor: pointer; transition: background .2s;
}
.poem-card:hover { background: var(--bg-warm); }
.pc-title { font-family: var(--f-display); font-size: 1rem; color: var(--ink); letter-spacing: .08em; }
.pc-meta { font-size: .78rem; color: var(--ink-dim); letter-spacing: .05em; }
.pc-form { font-size: .72rem; color: var(--nijin); letter-spacing: .1em; }

/* 篇首 */
.poem-head { text-align: center; padding: 10px 0 34px; border-bottom: 1px solid var(--border-light); }
.poem-title {
  font-family: var(--f-display); font-size: 1.7rem; font-weight: 400;
  letter-spacing: .16em; color: var(--ink); margin: 0 0 8px;
}
.poem-byline { font-size: .82rem; color: var(--ink-dim); letter-spacing: .12em; margin: 0 0 22px; }
.poem-text { display: inline-block; text-align: left; }
.pt-line { font-size: 1.06rem; line-height: 2.1; letter-spacing: .1em; color: var(--ink); margin: 0; }
.pt-gap { height: .9em; margin: 0; }

/* 六层 */
.layer-tabs { margin: 26px 0 0; flex-wrap: wrap; }
.layer-body { padding: 26px 2px 8px; min-height: 160px; }
.layer-body p { font-size: .95rem; line-height: 2; color: var(--ink); margin: 0 0 15px; }
.layer-empty { color: var(--ink-dim) !important; font-size: .88rem !important; }

/* 本事的来源条 */
.src-list { list-style: none; margin: 20px 0 0; padding: 16px 0 0; border-top: 1px solid var(--border-light); }
.src-list li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 11px; }
.src-list li span { font-size: .87rem; line-height: 1.85; color: var(--ink-dim); }

/* 格律 */
.gelu-meta { display: grid; grid-template-columns: max-content 1fr; gap: 8px 18px; margin: 0 0 20px; }
.gelu-meta dt {
  font-family: var(--f-display); font-size: .8rem;
  letter-spacing: .16em; color: var(--nijin); padding-top: 2px;
}
.gelu-meta dd { margin: 0; font-size: .92rem; line-height: 1.9; color: var(--ink); }
.gelu-notes { margin: 0; padding-left: 18px; }
.gelu-notes li { font-size: .92rem; line-height: 1.95; color: var(--ink); margin-bottom: 9px; }

/* 字句 */
.ziju-item { margin-bottom: 24px; padding-left: 14px; border-left: 2px solid var(--nijin-dim); }
.zj-line {
  font-size: 1.02rem !important; letter-spacing: .1em;
  color: var(--ink); margin: 0 0 9px !important;
}
.zj-points { list-style: none; margin: 0; padding: 0; }
.zj-points li { font-size: .88rem; line-height: 1.9; color: var(--ink-dim); margin-bottom: 7px; }
.zj-points b {
  font-weight: 600; color: var(--zhusha);
  margin-right: 9px; letter-spacing: .06em;
}

/* 评点 */
.pd-list { list-style: none; margin: 0; padding: 0; }
.pd-list li { margin-bottom: 22px; padding-bottom: 18px; border-bottom: 1px solid var(--border-light); }
.pd-list li:last-child { border-bottom: none; }
.pd-quote { font-size: .95rem !important; line-height: 1.95 !important; margin: 0 0 8px !important; }
.pd-from { display: flex; gap: 10px; align-items: center; margin: 0 !important; }
.pd-from span { font-size: .8rem; color: var(--ink-dim); letter-spacing: .06em; }

/* 存疑 —— 这一块是本站的诚实装置,别做得像警告框 */
.uncertain-section {
  margin-top: 34px; padding: 20px 22px;
  background: var(--bg-warm); border-left: 3px solid var(--nijin);
}
.uncertain-title {
  font-family: var(--f-display); font-size: .85rem; letter-spacing: .2em;
  color: var(--ink); margin: 0 0 12px;
}
.uncertain-section ul { margin: 0; padding-left: 17px; }
.uncertain-section li { font-size: .85rem; line-height: 1.9; color: var(--ink-dim); margin-bottom: 7px; }

@media (max-width: 640px) {
  .poem-grid { grid-template-columns: 1fr 1fr; }
  .poem-title { font-size: 1.4rem; }
  .pt-line { font-size: .98rem; }
  /* 六个标签在窄屏挤成两行,不横向溢出 */
  .layer-tabs .tab-btn { flex: 1 0 33.33%; padding: 8px 6px; letter-spacing: .1em; }
  .gelu-meta { grid-template-columns: 1fr; gap: 3px 0; }
  .gelu-meta dd { margin-bottom: 10px; }
}

/* ── 对联生成 ─────────────────────────────────────── */

.duilian-mode-bar { margin-bottom: 8px; }
.mode-hint {
  font-size: .82rem; color: var(--ink-dim);
  letter-spacing: .1em; margin-bottom: 20px;
}
.dl-label-lower { margin-top: 14px; }

.couplet-display {
  text-align: center; padding: 40px 20px; margin-bottom: 24px;
  background: var(--bg-warm); border: 1px solid var(--border);
  position: relative;
}
.couplet-display::before {
  content: ''; position: absolute;
  top: 12px; left: 12px; right: 12px; bottom: 12px;
  border: 1px solid var(--nijin); opacity: .35; pointer-events: none;
}
.couplet-line { margin-bottom: 20px; }
.couplet-line:last-child { margin-bottom: 0; }
.couplet-text {
  font-family: var(--f-brush);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: .3em; line-height: 1.6;
  color: var(--ink); margin: 0;
}
.couplet-pingze {
  font-size: .78rem; color: var(--ink-dim);
  letter-spacing: .45em; margin: 4px 0 0;
  font-family: var(--f-body);
}
.cl-char { display: inline-block; position: relative; }
.cl-char.cl-issue { color: var(--zhusha); }
.cl-pz { display: inline-block; min-width: 1.2em; text-align: center; }

.diagnosis-panel {
  border: 1px solid var(--border); padding: 20px 24px; margin-bottom: 24px;
}
.diag-score-row {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 16px; padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.diag-label {
  font-family: var(--f-display); font-size: .92rem;
  letter-spacing: .2em; color: var(--ink-dim);
}
.diag-score {
  font-family: var(--f-display); font-size: 1.6rem;
  font-weight: 600; letter-spacing: .05em;
}
.diag-score.good { color: #4A7A4A; }
.diag-score.fair { color: var(--nijin); }
.diag-score.poor { color: var(--zhusha); }
.diag-section-title {
  font-family: var(--f-display); font-size: .85rem;
  letter-spacing: .15em; color: var(--ink-dim); margin: 0 0 10px;
}
.diag-ok { font-size: .9rem; color: #4A7A4A; }
.diag-issue-item {
  display: flex; gap: 12px; align-items: baseline;
  margin-bottom: 8px; font-size: .88rem; line-height: 1.7;
}
.diag-issue-type { font-weight: 600; color: var(--zhusha); white-space: nowrap; flex-shrink: 0; }
.diag-issue-detail { color: var(--ink); }
.diag-issues { margin-bottom: 16px; }
.diag-sug-item {
  display: flex; gap: 12px; align-items: baseline;
  margin-bottom: 8px; font-size: .88rem; line-height: 1.7;
}
.diag-sug-arrow { font-weight: 600; color: var(--nijin); white-space: nowrap; flex-shrink: 0; }
.diag-sug-reason { color: var(--ink-dim); }

.analysis-tabs { margin: 0; }
.analysis-body { padding: 22px 2px 8px; min-height: 100px; }
.analysis-body p { font-size: .95rem; line-height: 2; color: var(--ink); margin: 0 0 12px; }
.pz-detail p { margin-bottom: 6px; }
.pz-detail b { color: var(--ink); }
.pz-marks {
  font-size: .85rem !important; color: var(--ink-dim) !important;
  letter-spacing: .2em; margin-bottom: 14px !important;
}
.dz-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.dz-table th {
  text-align: left; padding: 8px 14px;
  background: var(--bg-warm); border-bottom: 1px solid var(--border);
  font-family: var(--f-display); font-size: .82rem;
  letter-spacing: .1em; color: var(--ink-dim); font-weight: 400;
}
.dz-table td { padding: 8px 14px; border-bottom: 1px solid var(--border); color: var(--ink); }

@media (max-width: 640px) {
  .couplet-text { letter-spacing: .15em; }
  .couplet-display { padding: 28px 14px; }
  .couplet-display::before { top: 8px; left: 8px; right: 8px; bottom: 8px; }
  .diagnosis-panel { padding: 16px; }
  .diag-issue-item, .diag-sug-item { flex-direction: column; gap: 2px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .col { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}