/* ================================================================
   读水文 · culture.css  —  作用域 body.culture-page
   ================================================================ */

.culture-page {
  --culture-paper: #f4f1e8;
  --culture-paper-deep: #ebe6da;
  --culture-ink: #202b29;
  --culture-river: #145b54;
  --culture-river-dark: #0f3f3b;
  --culture-water: #4f8fa3;
  --culture-gold: #c5a15a;
  --culture-mist: #e5efec;
  --culture-muted: #687471;
  --culture-line: rgba(20, 91, 84, 0.14);
  --motion-fast: 180ms;
  --motion-base: 320ms;
  --motion-slow: 620ms;

  /* 派生工具变量 */
  --culture-line-strong: rgba(20, 91, 84, 0.32);
  --culture-faint: rgba(104, 116, 113, 0.72);
  --culture-gold-soft: rgba(197, 161, 90, 0.16);
  --culture-r-sm: 8px;
  --culture-r-md: 12px;
  --culture-ease: cubic-bezier(0.16, 1, 0.3, 1);

  background: var(--culture-paper);
  color: var(--culture-ink);
}

/* 宣纸纸纹背景 */
.culture-page::before {
  background:
    radial-gradient(ellipse at 12% 20%, rgba(20, 91, 84, 0.04) 0%, transparent 48%),
    radial-gradient(ellipse at 88% 74%, rgba(79, 143, 163, 0.03) 0%, transparent 46%),
    radial-gradient(ellipse at 50% 96%, rgba(197, 161, 90, 0.02) 0%, transparent 46%);
}

.culture-page :focus-visible {
  outline: 2px solid var(--culture-river);
  outline-offset: 2px;
}
.culture-page ::selection { background: rgba(20, 91, 84, 0.16); }

/* ---- 阅读进度条 ---- */
.culture-page .cp-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 2000;
  background: rgba(20, 91, 84, 0.08);
  pointer-events: none;
}
.culture-page .cp-progress-bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--culture-gold), var(--culture-gold));
}

/* ---- Hero（与首页首屏一致的代码结构） ---- */
.culture-page .cp-hero {
  position: relative;
  overflow: hidden;
  padding: var(--section-space) 0 calc(var(--section-space) - 24px);
  background:
    radial-gradient(900px 420px at 6% 0%, rgba(23, 101, 95, 0.05) 0%, transparent 62%),
    radial-gradient(720px 360px at 94% 100%, rgba(198, 161, 91, 0.07) 0%, transparent 64%),
    linear-gradient(180deg, var(--culture-mist) 0%, var(--culture-paper) 100%);
  border-bottom: 1px solid var(--culture-line);
  min-height: clamp(560px, 74vh, 680px);
  display: grid;
  align-items: center;
}
.culture-page .cp-hero-inner {
  display: grid;
  grid-template-columns: 54fr 46fr;
  gap: clamp(36px, 4vw, 56px);
  align-items: center;
  width: 100%;
  max-width: var(--page-max);
  margin-inline: auto;
  padding: 0 var(--space-lg);
}
.culture-page .cp-hero-copy {
  max-width: 560px;
  justify-self: start;
  padding-inline: 4px;
}
.culture-page .cp-hero-kicker {
  margin-bottom: 20px;
  animation: cpHeroFadeUp 480ms var(--culture-ease) 0ms both;
}
.culture-page .cp-hero-title {
  margin: 0 0 20px;
}
.culture-page .cp-hero-line {
  display: inline;
}
.culture-page .cp-hero-line-1 {
  animation: cpHeroFadeUp 520ms var(--culture-ease) 80ms both;
}
.culture-page .cp-hero-line-2 {
  animation: cpHeroFadeUp 520ms var(--culture-ease) 200ms both;
}
.culture-page .cp-hero-sub {
  margin-bottom: 14px;
  animation: cpHeroFadeUp 520ms var(--culture-ease) 340ms both;
}
.culture-page .cp-hero-desc {
  max-width: 540px;
  margin-bottom: 30px;
  animation: cpHeroFadeUp 520ms var(--culture-ease) 420ms both;
}
.culture-page .cp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  animation: cpHeroFadeUp 520ms var(--culture-ease) 520ms both;
}
.culture-page .cp-hero .btn-primary {
  background: var(--culture-river);
  color: #fff;
}
.culture-page .cp-hero .btn-primary:hover {
  background: var(--culture-river-dark);
}
.culture-page .cp-hero-btn {
  min-height: 44px;
  border-radius: 8px;
}

/* 右侧配图 */
.culture-page .cp-hero-figure {
  margin: 0;
  width: 100%;
  max-width: 560px;
  justify-self: end;
  animation: cpHeroImgUp 620ms var(--culture-ease) 160ms both;
}
.culture-page .cp-hero-media {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--culture-mist);
  border: 1px solid var(--culture-line);
  box-shadow: var(--shadow-card);
}
.culture-page .cp-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.culture-page .cp-hero-media::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 40%;
  background: linear-gradient(180deg, rgba(229, 239, 236, 0) 0%, rgba(229, 239, 236, 0.88) 100%);
  pointer-events: none;
}
.culture-page .cp-hero-ripple {
  display: block;
  width: 100%;
  height: 34px;
  margin-top: 2px;
  animation: cpHeroRipple 16s ease-in-out infinite;
}
.culture-page .cp-hero-figcaption {
  margin-top: 10px;
  text-align: center;
}
@media (max-width: 600px) {
  .culture-page .cp-hero-media {
    min-height: 240px;
  }
}

/* 入场动画 */
@keyframes cpHeroFadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}
@keyframes cpHeroImgUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}
@keyframes cpHeroRipple {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(8px); }
}

/* ---- 阅读路径 ---- */
.culture-page .cp-path {
  position: relative;
  padding: var(--section-space-compact) 0 calc(var(--section-space-compact) - 8px);
  background: linear-gradient(180deg, var(--culture-mist) 0%, var(--culture-paper) 100%);
  border-bottom: 1px solid var(--culture-line);
  scroll-margin-top: 88px;
}
.culture-page .cp-path-inner {
  width: min(1520px, calc(100% - 64px));
  margin-inline: auto;
  padding: 0;
}
.culture-page .cp-path-head {
  text-align: center;
  margin-bottom: 24px;
}
.culture-page .cp-path-kicker {
  margin-bottom: 14px;
}
.culture-page .cp-path-title {
  margin-bottom: 12px;
}
.culture-page .cp-path-sub {
  max-width: 640px;
  margin: 0 auto;
  font-size: 16px;
}

/* 水脉图 */
.culture-page .cp-path-figure {
  position: relative;
  margin: 12px 0 4px;
}
.culture-page .cp-path-svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}
/* 移动端纵向阅读路径：默认隐藏，<900px 显示 */
.culture-page .cp-path-svg-vert {
  display: none;
}
.culture-page .cp-path-svg-vert .cp-path-flow {
  stroke: url(#cpPathGradVert);
}
.culture-page .cp-path-base {
  fill: none;
  stroke: var(--culture-line-strong);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  transition: stroke-dashoffset 1.4s var(--culture-ease) 80ms;
}
.culture-page .cp-path.is-in .cp-path-base {
  stroke-dashoffset: 0;
}
.culture-page .cp-path-flow {
  fill: none;
  stroke: url(#cpPathGrad);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 6 18;
  opacity: 0;
  transition: opacity 0.6s ease 720ms;
}
.culture-page .cp-path.is-in .cp-path-flow {
  opacity: 0.85;
  animation: cpPathFlow 1.6s linear infinite;
}
@keyframes cpPathFlow {
  to { stroke-dashoffset: -24; }
}

/* 沿路线移动的圆点 */
.culture-page .cp-path-ball {
  fill: var(--culture-gold);
  stroke: #fff;
  stroke-width: 1.5;
  filter: drop-shadow(0 0 4px rgba(197, 161, 90, 0.75));
}

/* 路径节点 */
.culture-page .cp-path-step {
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s var(--culture-ease);
}
.culture-page .cp-path.is-in .cp-path-step {
  opacity: 1;
  transform: none;
}
.culture-page .cp-path.is-in .cp-path-step:nth-child(2) { transition-delay: 120ms; }
.culture-page .cp-path.is-in .cp-path-step:nth-child(3) { transition-delay: 200ms; }
.culture-page .cp-path.is-in .cp-path-step:nth-child(4) { transition-delay: 280ms; }
.culture-page .cp-path.is-in .cp-path-step:nth-child(5) { transition-delay: 360ms; }
.culture-page .cp-path.is-in .cp-path-step:nth-child(6) { transition-delay: 440ms; }
.culture-page .cp-step-node {
  fill: var(--culture-paper);
  stroke: var(--culture-line-strong);
  stroke-width: 1.5;
  transition: fill var(--motion-base), stroke var(--motion-base);
}
.culture-page .cp-step-ring {
  fill: none;
  stroke: var(--culture-line-strong);
  stroke-width: 1;
  transition: stroke var(--motion-base);
}
.culture-page .cp-step-num {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  fill: var(--culture-river-dark);
  text-anchor: middle;
  transition: fill var(--motion-base);
}
.culture-page .cp-step-text {
  font-size: 14px;
  font-weight: 600;
  fill: var(--culture-ink);
  text-anchor: middle;
}
.culture-page .cp-step-desc {
  font-size: 12px;
  fill: var(--culture-muted);
  text-anchor: middle;
}
.culture-page .cp-path-step.is-current .cp-step-node {
  fill: var(--culture-river);
  stroke: var(--culture-river-dark);
}
.culture-page .cp-path-step.is-current .cp-step-ring {
  stroke: var(--culture-gold);
}
.culture-page .cp-path-step.is-current .cp-step-num {
  fill: #F7F4EA;
}
.culture-page .cp-path-step.is-current .cp-step-text {
  fill: var(--culture-river-dark);
  font-weight: 700;
}
.culture-page .cp-path-step.is-passed .cp-step-node {
  stroke: var(--culture-gold);
}
.culture-page .cp-path.is-in .cp-path-step.is-future {
  opacity: 0.55;
}

/* 锚点 */
.culture-page .cp-anchor {
  display: block;
  height: 0;
  scroll-margin-top: 88px;
}
.culture-page #culture-topics {
  scroll-margin-top: 88px;
}
.culture-page #cp-sec-1 {
  scroll-margin-top: 88px;
}

/* ---- 正文版式 ---- */
.culture-page .cp-article {
  padding: 40px 0 0;
}
.culture-page .cp-article-inner {
  width: min(1520px, calc(100% - 64px));
  margin-inline: auto;
  padding: 0 0 40px;
}
/* 纯文本内容保持窄栏阅读宽度 */
.culture-page .cp-body,
.culture-page .cp-sub {
  max-width: 760px;
}
.culture-page .cp-table-wrap {
  max-width: 1100px;
}
.culture-page .cp-sec {
  margin-bottom: 72px;
  scroll-margin-top: 88px;
}
.culture-page .cp-sec-head {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin: 0 0 26px;
}
.culture-page .cp-sec-head--center {
  justify-content: center;
  text-align: center;
}
.culture-page .cp-sec-head--center .cp-sec-lead {
  margin-inline: auto;
}
.culture-page .cp-sec-lead {
  margin-top: 10px;
  max-width: 760px;
}

.culture-page .cp-body p {
  margin-bottom: 18px;
}

/* 段落下方参考依据小字 */
.culture-page .content-source {
  margin: -6px 0 20px;
  padding: 6px 0 6px 14px;
  border-left: 2px solid rgba(79, 143, 163, 0.38);
  font-size: 12px;
  line-height: 1.7;
  color: var(--culture-muted);
  letter-spacing: 0.3px;
}
.culture-page .content-source .content-source-label {
  font-weight: 600;
  color: var(--culture-river);
}

.culture-page .cp-sub {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 40px 0 18px;
}
.culture-page .cp-sub-num {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--culture-gold);
  font-weight: 700;
  flex-shrink: 0;
}
.culture-page .cp-sub h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--culture-river-dark);
  letter-spacing: 1px;
  line-height: 1.5;
}

/* ---- 诗词 ---- */
.culture-page .cp-poem {
  max-width: 640px;
  margin: 34px auto;
  padding: 30px 28px;
  text-align: center;
  position: relative;
  background: linear-gradient(180deg, var(--culture-mist), rgba(229, 239, 236, 0.35));
  border: 1px solid rgba(197, 161, 90, 0.32);
  border-radius: var(--culture-r-md);
}
.culture-page .cp-poem::before,
.culture-page .cp-poem::after {
  content: '';
  position: absolute;
  left: 28px;
  right: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--culture-gold), transparent);
}
.culture-page .cp-poem::before { top: 12px; }
.culture-page .cp-poem::after { bottom: 12px; }
.culture-page .cp-poem p {
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 2;
  color: var(--culture-river-dark);
  letter-spacing: 3px;
  text-indent: 3px;
}
.culture-page .cp-poem .cp-poem-elide {
  letter-spacing: 2px;
  color: var(--culture-faint);
}
.culture-page .cp-poem .cp-poem-src {
  margin-top: 14px;
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--culture-muted);
  letter-spacing: 1px;
}

/* ---- 图 ---- */
.culture-page .cp-figure {
  margin: 40px auto;
  max-width: 800px;
}
.culture-page .cp-figure > img {
  display: block;
  width: 100%;
  border-radius: var(--culture-r-md);
  border: 1px solid var(--culture-line);
  background: var(--culture-mist);
}
.culture-page .cp-figcaption {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  text-align: left;
  font-size: 14px;
  color: var(--culture-ink);
  line-height: 1.6;
}
.culture-page .cp-figcaption .figure-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--culture-river-dark);
  letter-spacing: 0.5px;
}
.culture-page .cp-figcaption .figure-credit,
.culture-page .cp-figcaption .figure-license {
  font-size: 12px;
  color: var(--culture-muted);
  letter-spacing: 0.3px;
}
.culture-page .cp-figcaption .figure-license {
  color: var(--culture-faint);
}
.culture-page .cp-figcaption .figure-license a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.culture-page .cp-figcaption .figure-license a:hover {
  color: var(--culture-river);
}

/* ---- 表格 ---- */
.culture-page .cp-table-wrap {
  margin: 28px 0 34px;
  border-radius: var(--culture-r-md);
  border: 1px solid var(--culture-line);
  overflow-x: auto;
  background: var(--culture-mist);
  -webkit-overflow-scrolling: touch;
}
.culture-page .cp-table caption {
  padding: 14px 20px 10px;
  text-align: left;
  caption-side: top;
  font-size: 14px;
  font-weight: 600;
  color: var(--culture-river-dark);
  letter-spacing: 0.5px;
}
.culture-page .cp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.8;
}
.culture-page .cp-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--culture-river-dark);
  color: #F7F4EA;
  font-weight: 600;
  letter-spacing: 1px;
  text-align: left;
  padding: 12px 18px;
  font-size: 14px;
}
.culture-page .cp-table tbody td {
  padding: 12px 18px;
  border-top: 1px solid var(--culture-line);
  color: var(--culture-ink);
  vertical-align: top;
}
.culture-page .cp-table tbody tr:nth-child(even) td {
  background: rgba(20, 91, 84, 0.04);
}
.culture-page .cp-table tbody tr:hover td {
  background: rgba(20, 91, 84, 0.06);
}
.culture-page .cp-table-refs tbody td:first-child {
  width: 56px;
  font-family: var(--font-display);
  color: var(--culture-gold);
  font-weight: 700;
  white-space: nowrap;
}
.culture-page .cp-src-link {
  display: inline-block;
  margin-left: 10px;
  font-size: 12px;
  color: var(--culture-river-dark);
  background: var(--culture-gold-soft);
  border: 1px solid rgba(197, 161, 90, 0.4);
  border-radius: var(--culture-r-sm);
  padding: 1px 10px;
  cursor: default;
  letter-spacing: 1px;
}

/* ---- 滚动显现 ---- */
html.js .culture-page .cp-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 620ms cubic-bezier(.22, .61, .36, 1), transform 620ms cubic-bezier(.22, .61, .36, 1);
  transition-delay: var(--reveal-delay, 0ms);
}
html.js .culture-page .cp-reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---- 统一入场显现（JS 注入 html.js 后才隐藏） ---- */
html.js .culture-page [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 620ms cubic-bezier(.22, .61, .36, 1), transform 620ms cubic-bezier(.22, .61, .36, 1);
  transition-delay: var(--reveal-delay, 0ms);
}
html.js .culture-page [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
html.js .culture-page [data-reveal="img"] {
  transform: translateY(12px) scale(1.025);
  transition: opacity 720ms cubic-bezier(.22, .61, .36, 1), transform 720ms cubic-bezier(.22, .61, .36, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

/* ================================================================
   四大文化专题卡片
   ================================================================ */
.culture-page .cp-topics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 6px;
}

.culture-page .cp-topic-card {
  position: relative;
  display: flex;
  flex-direction: column;
  max-height: 520px;
  background: var(--color-surface);
  border: 1px solid var(--culture-line);
  border-radius: var(--culture-r-md);
  overflow: hidden;
  text-decoration: none;
  color: var(--culture-ink);
  box-shadow: var(--shadow-card);
  transition: transform 220ms var(--culture-ease),
              box-shadow 220ms var(--culture-ease),
              border-color 220ms var(--culture-ease);
}
.culture-page .cp-topic-card:hover,
.culture-page .cp-topic-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--topic-accent);
  box-shadow: 0 16px 32px -12px rgba(20, 91, 84, 0.22);
}
.culture-page .cp-topic-card:focus-visible {
  outline: 2px solid var(--topic-accent);
  outline-offset: 2px;
}

/* 卡片主体 */
.culture-page .cp-topic-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 30px 32px 34px;
}
.culture-page .cp-topic-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 12px;
}
.culture-page .cp-topic-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--culture-river-dark);
  letter-spacing: 2px;
  line-height: 1.4;
}
.culture-page .cp-topic-question {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--culture-river);
  margin-bottom: 12px;
}
.culture-page .cp-topic-tags {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}
.culture-page .cp-topic-tags li {
  display: inline;
  font-size: 12px;
  line-height: 1.7;
  color: var(--culture-muted);
}
.culture-page .cp-topic-tags li + li::before {
  content: '·';
  margin: 0 7px;
  color: var(--topic-accent);
  font-weight: 700;
}
.culture-page .cp-topic-meaning {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--culture-line);
  font-size: 12px;
  line-height: 1.8;
  color: var(--culture-muted);
}
.culture-page .cp-topic-enter {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--topic-accent);
}
.culture-page .cp-topic-enter svg {
  width: 15px;
  height: 15px;
  transition: transform var(--motion-base) var(--culture-ease);
}
.culture-page .cp-topic-card:hover .cp-topic-enter svg,
.culture-page .cp-topic-card:focus-visible .cp-topic-enter svg {
  transform: translateX(4px);
}

/* 同一色系的不同深浅 */
.culture-page .cp-topic-city       { --topic-accent: #0e3f3b; --topic-tint: rgba(14, 63, 59, 0.05);  --topic-tint-strong: rgba(14, 63, 59, 0.18); }
.culture-page .cp-topic-literature { --topic-accent: #145b54; --topic-tint: rgba(20, 91, 84, 0.05);  --topic-tint-strong: rgba(20, 91, 84, 0.16); }
.culture-page .cp-topic-life       { --topic-accent: #2f7a7e; --topic-tint: rgba(47, 122, 126, 0.05); --topic-tint-strong: rgba(47, 122, 126, 0.14); }
.culture-page .cp-topic-ecology    { --topic-accent: #4f8fa3; --topic-tint: rgba(79, 143, 163, 0.05); --topic-tint-strong: rgba(79, 143, 163, 0.12); }

/* ================================================================
   水与城专题：分区小标题 / 数据概览 / 历史演进 / 重点案例
   ================================================================ */
.culture-page #topic-city {
  scroll-margin-top: 88px;
}

/* 分区小标题 */
.culture-page .cp-block-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 54px 0 20px;
}
.culture-page .cp-block-head h3 {
  line-height: 1.4;
}

/* 数据概览 */
.culture-page .cp-data-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.culture-page .cp-data-unit {
  background: #fff;
  border: 1px solid var(--culture-line);
  border-radius: var(--culture-r-md);
  padding: 22px 22px 18px;
  box-shadow: var(--shadow-card);
}
.culture-page .cp-data-value-row {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin: 0;
}
.culture-page .cp-data-value {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 1px;
  color: var(--culture-river-dark);
  font-variant-numeric: tabular-nums;
}
.culture-page .cp-data-suffix {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--culture-river);
}
.culture-page .cp-data-label {
  margin: 8px 0 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--culture-river);
}
.culture-page .cp-data-note {
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--culture-muted);
}
.culture-page .cp-data-src {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--culture-line);
  font-size: 12px;
  color: var(--culture-faint);
}
.culture-page .cp-src-anchor {
  color: var(--culture-river);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--culture-water);
  border-radius: 2px;
  transition: color var(--motion-base) var(--culture-ease),
              background-color var(--motion-base) var(--culture-ease);
}
.culture-page .cp-src-anchor:hover,
.culture-page .cp-src-anchor:focus-visible {
  color: var(--culture-river-dark);
  background: rgba(20, 91, 84, 0.08);
}

/* 历史演进时间轴 */
.culture-page .cp-era {
  background: #fff;
  border: 1px solid var(--culture-line);
  border-radius: var(--culture-r-md);
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(20, 91, 84, 0.04);
}
.culture-page .cp-era-timeline {
  display: flex;
  background: var(--culture-mist);
  border-bottom: 1px solid var(--culture-line);
}
.culture-page .cp-era-step {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 10px;
  border: 0;
  background: transparent;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--culture-muted);
  cursor: pointer;
  transition: color var(--motion-base) var(--culture-ease);
}
.culture-page .cp-era-step::after {
  content: '';
  position: absolute;
  left: 20%;
  right: 20%;
  bottom: 0;
  height: 3px;
  background: var(--culture-gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--motion-base) var(--culture-ease);
}
.culture-page .cp-era-step:hover { color: var(--culture-river); }
.culture-page .cp-era-step.is-current { color: var(--culture-river-dark); }
.culture-page .cp-era-step.is-current::after { transform: scaleX(1); }
.culture-page .cp-era-step:focus-visible {
  outline: 2px solid var(--culture-gold);
  outline-offset: -2px;
}
.culture-page .cp-era-panels {
  padding: 26px 28px 28px;
}
.culture-page .cp-era-panel { display: none; }
.culture-page .cp-era-panel.is-current {
  display: block;
  animation: cpPanelIn var(--motion-slow) var(--culture-ease);
}
@keyframes cpPanelIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}
.culture-page .cp-era-field {
  display: flex;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--culture-line);
}
.culture-page .cp-era-field:last-child { border-bottom: 0; }
.culture-page .cp-era-key {
  flex: 0 0 96px;
  padding-top: 5px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--culture-gold);
}
.culture-page .cp-era-val {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--culture-ink);
}

/* 重点案例 */
.culture-page .cp-cases-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}
.culture-page .cp-case-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border: 1px solid var(--culture-line);
  border-radius: 999px;
  background: #fff;
  color: var(--culture-muted);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: color var(--motion-base) var(--culture-ease),
              background-color var(--motion-base) var(--culture-ease),
              border-color var(--motion-base) var(--culture-ease);
}
.culture-page .cp-case-tab:hover {
  color: var(--culture-river);
  border-color: var(--culture-line-strong);
}
.culture-page .cp-case-tab.is-current {
  background: var(--culture-river-dark);
  border-color: var(--culture-river-dark);
  color: #fff;
}
.culture-page .cp-case-tab:focus-visible {
  outline: 2px solid var(--culture-gold);
  outline-offset: 2px;
}

.culture-page .cp-cases-panels {
  position: relative;
  background: #fff;
  border: 1px solid var(--culture-line);
  border-radius: var(--culture-r-md);
  padding: 26px;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(20, 91, 84, 0.04);
  transition: height var(--motion-slow) var(--culture-ease);
}
.culture-page .cp-case-panel { display: none; }
.culture-page .cp-case-panel.is-current {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 0.82fr);
  gap: 40px;
  align-items: start;
}
.culture-page .cp-case-panel.is-incoming {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 0.82fr);
  gap: 40px;
  align-items: start;
  opacity: 0;
  z-index: 2;
}
.culture-page .cp-case-text { order: 1; }
.culture-page .cp-case-media-wrap { order: 2; }
/* 无图小节：单栏窄读 */
.culture-page .cp-case-panel.is-current.cp-case-text-only,
.culture-page .cp-case-panel.is-incoming.cp-case-text-only {
  display: block;
}
.culture-page .cp-case-panel.cp-case-text-only .cp-case-text {
  max-width: 960px;
}
.culture-page .cp-case-media-wrap .cp-figure {
  margin: 0;
  max-width: none;
}
.culture-page .cp-case-panel.is-incoming.is-in {
  opacity: 1;
  transition: opacity var(--motion-slow) var(--culture-ease);
}
.culture-page .cp-case-panel.is-leaving {
  opacity: 0;
  transition: opacity var(--motion-slow) var(--culture-ease);
}

.culture-page .cp-case-media-wrap {
  min-width: 0;
}
.culture-page .cp-case-media {
  position: relative;
  aspect-ratio: 3 / 2;
  border-radius: var(--culture-r-sm);
  overflow: hidden;
  border: 1px solid var(--culture-line);
  background: var(--culture-mist);
}
.culture-page .cp-case-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.culture-page .cp-case-text { min-width: 0; }
.culture-page .cp-case-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}
.culture-page .cp-case-title h4 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 1px;
  line-height: 1.5;
  color: var(--culture-river-dark);
}
.culture-page .cp-case-summary {
  margin: 0 0 14px;
}
.culture-page .cp-case-full {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--motion-slow) var(--culture-ease);
}
.culture-page .cp-case-full.is-open { grid-template-rows: 1fr; }
.culture-page .cp-case-full-inner {
  overflow: hidden;
  min-height: 0;
}
.culture-page .cp-case-full-inner p {
  margin: 0 0 14px;
}
.culture-page .cp-case-full-inner .cp-table-wrap {
  margin: 6px 0 14px;
  overflow-x: auto;
}
.culture-page .cp-case-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  padding: 9px 16px;
  border: 1px solid var(--culture-line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--culture-river);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  transition: background-color var(--motion-base) var(--culture-ease),
              border-color var(--motion-base) var(--culture-ease);
}
.culture-page .cp-case-toggle:hover {
  background: var(--culture-mist);
  border-color: var(--culture-river);
}
.culture-page .cp-case-toggle:focus-visible {
  outline: 2px solid var(--culture-gold);
  outline-offset: 2px;
}
.culture-page .cp-case-toggle svg {
  width: 14px;
  height: 14px;
  transition: transform var(--motion-base) var(--culture-ease);
}
.culture-page .cp-case-toggle.is-open svg { transform: rotate(180deg); }

@media (max-width: 768px) {
  .culture-page .cp-data-grid {
    grid-template-columns: 1fr;
  }
  .culture-page .cp-era-timeline {
    flex-direction: column;
  }
  .culture-page .cp-era-step {
    justify-content: flex-start;
    padding: 14px 18px;
    border-bottom: 1px solid var(--culture-line);
  }
  .culture-page .cp-era-step:last-child { border-bottom: 0; }
  .culture-page .cp-era-step::after {
    left: 0;
    right: auto;
    top: 0;
    bottom: 0;
    width: 3px;
    height: auto;
    transform: scaleY(0);
  }
  .culture-page .cp-era-step.is-current::after { transform: scaleY(1); }
  .culture-page .cp-era-panels {
    padding: 20px 18px 22px;
  }
  .culture-page .cp-era-field {
    flex-direction: column;
    gap: 4px;
    padding: 10px 0;
  }
  .culture-page .cp-era-key {
    flex: none;
    padding-top: 0;
  }
  .culture-page .cp-cases-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
  }
  .culture-page .cp-case-tab { flex: 0 0 auto; }
  .culture-page .cp-cases-panels { padding: 18px; }
  .culture-page .cp-case-panel.is-current,
  .culture-page .cp-case-panel.is-incoming {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .culture-page .cp-case-media {
    aspect-ratio: auto;
    height: 220px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .culture-page .cp-era-panel.is-current,
  .culture-page .cp-case-panel.is-incoming.is-in,
  .culture-page .cp-case-panel.is-leaving {
    animation: none;
    transition: none;
  }
  .culture-page .cp-cases-panels,
  .culture-page .cp-case-full,
  .culture-page .cp-case-toggle,
  .culture-page .cp-case-toggle svg,
  .culture-page .cp-era-step,
  .culture-page .cp-era-step::after,
  .culture-page .cp-case-tab {
    transition: none;
  }
}

/* ================================================================
   水与文专题：诗文水卷
   ================================================================ */
.culture-page #topic-literature {
  scroll-margin-top: 88px;
}

.culture-page .cp-scroll {
  display: grid;
  grid-template-columns: 35% 65%;
  margin-top: 26px;
  border: 1px solid var(--culture-line);
  border-radius: var(--culture-r-md);
  background: #fff;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(20, 91, 84, 0.04);
}

/* 左侧作者与作品列表 */
.culture-page .cp-scroll-rail {
  position: relative;
  padding: 12px 10px 12px 8px;
  background: linear-gradient(180deg, var(--culture-mist), rgba(229, 239, 236, 0.35));
  border-right: 1px solid var(--culture-line);
}
.culture-page .cp-scroll-rail::before {
  content: '';
  position: absolute;
  top: 30px;
  bottom: 30px;
  left: 29px;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--culture-line-strong), transparent);
}
.culture-page .cp-scroll-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 13px 14px 13px 12px;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
  border-radius: var(--culture-r-sm);
  transition: background-color var(--motion-base) var(--culture-ease);
}
.culture-page .cp-scroll-item:hover { background: rgba(20, 91, 84, 0.06); }
.culture-page .cp-scroll-item:focus-visible {
  outline: 2px solid var(--culture-gold);
  outline-offset: -2px;
}
.culture-page .cp-scroll-item.is-current { background: rgba(20, 91, 84, 0.06); }
.culture-page .cp-scroll-dot {
  position: relative;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  box-sizing: border-box;
  border-radius: 50%;
  border: 2px solid var(--culture-line-strong);
  background: #fff;
  transition: border-color var(--motion-base) var(--culture-ease),
              background-color var(--motion-base) var(--culture-ease);
}
.culture-page .cp-scroll-item.is-current .cp-scroll-dot {
  border-color: var(--culture-river);
  background: var(--culture-river);
}
.culture-page .cp-scroll-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid rgba(20, 91, 84, 0.55);
  opacity: 0;
}
.culture-page .cp-scroll-item.is-current .cp-scroll-dot::after {
  animation: cpRipple 3.6s var(--culture-ease) infinite;
}
@keyframes cpRipple {
  0%   { transform: scale(0.7); opacity: 0.7; }
  70%  { transform: scale(2.4); opacity: 0; }
  100% { transform: scale(2.4); opacity: 0; }
}
.culture-page .cp-scroll-txt {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.culture-page .cp-scroll-author {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--culture-river-dark);
  transition: color var(--motion-base) var(--culture-ease);
}
.culture-page .cp-scroll-work {
  font-size: 12px;
  color: var(--culture-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 右侧水卷 */
.culture-page .cp-scroll-view {
  position: relative;
  min-width: 0;
}
.culture-page .cp-scroll-panels {
  position: relative;
  overflow: hidden;
  transition: height var(--motion-slow) var(--culture-ease);
}
.culture-page .cp-scroll-panel {
  display: none;
  position: relative;
  background:
    radial-gradient(ellipse at 86% 10%, rgba(20, 91, 84, 0.05), transparent 55%),
    linear-gradient(160deg, #fbfaf5, #f5f3ea);
}
.culture-page .cp-scroll-panel.is-current { display: block; }
.culture-page .cp-scroll-panel.is-incoming {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: block;
  opacity: 0;
  z-index: 2;
}
.culture-page .cp-scroll-panel.is-incoming.is-in {
  opacity: 1;
  transition: opacity var(--motion-slow) var(--culture-ease);
}
.culture-page .cp-scroll-panel.is-leaving {
  display: block;
  opacity: 0;
  transition: opacity var(--motion-slow) var(--culture-ease);
}

/* 背景水纹 */
.culture-page .cp-scroll-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.culture-page .cp-scroll-wave {
  position: absolute;
  left: 0;
  top: 0;
  width: 200%;
  height: 100%;
  transform: translateX(0);
  opacity: 0.55;
}
@keyframes cpDriftA { from { transform: translateX(0); }   to { transform: translateX(-50%); } }
@keyframes cpDriftB { from { transform: translateX(-8%); } to { transform: translateX(-58%); } }
@keyframes cpDriftC { from { transform: translateX(10%); } to { transform: translateX(-40%); } }

/* 水卷内容 */
.culture-page .cp-scroll-inner {
  position: relative;
  z-index: 1;
  padding: 30px 34px 32px;
  box-sizing: border-box;
}
.culture-page .cp-scroll-head {
  margin-bottom: 22px;
}
.culture-page .cp-scroll-kicker {
  display: block;
  margin-bottom: 8px;
}
.culture-page .cp-scroll-author-line {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--culture-river);
}
.culture-page .cp-scroll-head h3 {
  margin: 4px 0 0;
  line-height: 1.5;
}

/* 诗句：宋体、留白、逐行显现 */
.culture-page .cp-scroll-verse {
  margin: 0 0 24px;
  padding: 22px 0 22px 26px;
  border-left: 2px solid var(--culture-gold);
}
.culture-page .cp-scroll-verse p {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 2.1;
  letter-spacing: 4px;
  color: var(--culture-river-dark);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.6s var(--culture-ease), transform 0.6s var(--culture-ease);
}
.culture-page .cp-scroll-panel.is-in .cp-scroll-verse p { opacity: 1; transform: none; }
.culture-page .cp-scroll-panel.is-in .cp-scroll-verse p:nth-child(1) { transition-delay: 0.12s; }
.culture-page .cp-scroll-panel.is-in .cp-scroll-verse p:nth-child(2) { transition-delay: 0.3s; }
.culture-page .cp-scroll-panel.is-in .cp-scroll-verse p:nth-child(3) { transition-delay: 0.48s; }
.culture-page .cp-scroll-verse .cp-scroll-verse-src {
  margin-top: 10px;
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 0.5px;
  color: var(--color-text-soft);
}
.culture-page .cp-scroll-verse-prose .cp-scroll-verse-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 6px;
}

/* 水文化空间与核心意象 */
.culture-page .cp-scroll-meta {
  margin: 0 0 22px;
  display: grid;
  gap: 2px;
}
.culture-page .cp-scroll-meta-row {
  display: flex;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--culture-line);
}
.culture-page .cp-scroll-meta-row:last-child { border-bottom: 0; }
.culture-page .cp-scroll-meta dt {
  flex: 0 0 92px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--culture-gold);
  padding-top: 4px;
}
.culture-page .cp-scroll-meta dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--culture-ink);
}

/* 原有完整文化分析 */
.culture-page .cp-scroll-analysis p {
  margin: 0 0 16px;
}
.culture-page .cp-scroll-src {
  margin: 4px 0 0;
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--culture-faint);
}

/* 辅助图（不遮挡诗文） */
.culture-page .cp-scroll-fig {
  margin: 22px 0 0;
  max-width: 340px;
}
.culture-page .cp-scroll-fig img {
  display: block;
  width: 100%;
  border-radius: var(--culture-r-sm);
  border: 1px solid var(--culture-line);
  background: var(--culture-mist);
}
.culture-page .cp-scroll-fig figcaption {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  text-align: left;
  font-size: 12px;
  line-height: 1.6;
  color: var(--culture-ink);
}
.culture-page .cp-scroll-fig figcaption .figure-title {
  font-weight: 600;
  color: var(--culture-river-dark);
}
.culture-page .cp-scroll-fig figcaption .figure-credit {
  color: var(--culture-muted);
}
.culture-page .cp-scroll-fig figcaption .figure-license {
  color: var(--culture-faint);
}

@media (max-width: 768px) {
  .culture-page .cp-scroll {
    grid-template-columns: 1fr;
  }
  .culture-page .cp-scroll-rail {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 8px;
    padding: 10px;
    border-right: 0;
    border-bottom: 1px solid var(--culture-line);
  }
  .culture-page .cp-scroll-rail::before { display: none; }
  .culture-page .cp-scroll-item {
    flex: 0 0 auto;
    width: auto;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    padding: 10px 16px;
  }
  .culture-page .cp-scroll-dot { display: none; }
  .culture-page .cp-scroll-inner {
    padding: 24px 22px 28px;
  }
  .culture-page .cp-scroll-verse {
    padding: 22px 24px;
  }
  .culture-page .cp-scroll-verse p {
    font-size: 20px;
    letter-spacing: 2px;
  }
  .culture-page .cp-scroll-fig {
    max-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .culture-page .cp-scroll-item.is-current .cp-scroll-dot::after { animation: none; }
  .culture-page .cp-scroll-wave { animation: none !important; }
  .culture-page .cp-scroll-panels,
  .culture-page .cp-scroll-panel.is-incoming.is-in,
  .culture-page .cp-scroll-panel.is-leaving {
    transition: none;
  }
  .culture-page .cp-scroll-verse p {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ================================================================
   水与民专题：生活场景水纹 + 水文词根
   ================================================================ */
.culture-page #topic-life {
  scroll-margin-top: 88px;
}

/* 中央流动水纹 + 四场景两侧布局 */
.culture-page .cp-life-flow {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 150px minmax(0, 1fr);
  grid-template-rows: repeat(2, auto);
  gap: 26px 22px;
  align-items: center;
  margin: 30px 0 26px;
}
.culture-page .cp-life-track {
  grid-row: 1 / 3;
  grid-column: 2;
  align-self: stretch;
  position: relative;
  min-height: 300px;
  overflow: hidden;
  border-radius: var(--culture-r-md);
  background: linear-gradient(180deg, var(--culture-mist), rgba(229, 239, 236, 0.35));
}
.culture-page .cp-life-track::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 6%;
  bottom: 6%;
  width: 1px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, transparent, var(--culture-line-strong), transparent);
}
.culture-page .cp-life-waves {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.culture-page .cp-life-w1 { animation: cpLifeBob 5s ease-in-out infinite alternate; }
.culture-page .cp-life-w2 { animation: cpLifeBob 7s ease-in-out infinite alternate; }
.culture-page .cp-life-w3 { animation: cpLifeBob 9s ease-in-out infinite alternate; }
@keyframes cpLifeBob {
  from { transform: translateY(-8px); }
  to { transform: translateY(8px); }
}
.culture-page .cp-life-bubble {
  opacity: 0;
  animation: cpLifeDrop 8s linear infinite;
}
@keyframes cpLifeDrop {
  0% { transform: translateY(-30px); opacity: 0; }
  15% { opacity: 0.9; }
  85% { opacity: 0.7; }
  100% { transform: translateY(640px); opacity: 0; }
}

/* 场景卡片 */
.culture-page .cp-life-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 100%;
  max-width: 300px;
  padding: 22px 26px;
  box-sizing: border-box;
  border: 1px solid var(--culture-line);
  border-radius: var(--culture-r-md);
  background: #fff;
  text-align: left;
  font-family: inherit;
  cursor: pointer;
  transition: border-color var(--motion-base) var(--culture-ease),
              background-color var(--motion-base) var(--culture-ease),
              box-shadow var(--motion-base) var(--culture-ease),
              transform var(--motion-base) var(--culture-ease);
}
.culture-page .cp-life-item.cp-life-left { grid-column: 1; justify-self: end; }
.culture-page .cp-life-item.cp-life-right { grid-column: 3; justify-self: start; }
.culture-page .cp-life-item.cp-life-left:nth-of-type(2) { grid-row: 1; }
.culture-page .cp-life-item.cp-life-right:nth-of-type(2) { grid-row: 1; }
.culture-page .cp-life-item.cp-life-left:nth-of-type(3) { grid-row: 2; }
.culture-page .cp-life-item.cp-life-right:nth-of-type(3) { grid-row: 2; }
.culture-page .cp-life-item:hover {
  border-color: var(--culture-line-strong);
  transform: translateY(-2px);
}
.culture-page .cp-life-item.is-current {
  border-color: var(--culture-gold);
  background: linear-gradient(180deg, #fff, var(--culture-mist));
  box-shadow: 0 8px 24px rgba(20, 91, 84, 0.10);
}
.culture-page .cp-life-item:focus-visible {
  outline: 2px solid var(--culture-gold);
  outline-offset: 2px;
}
.culture-page .cp-life-item.cp-life-left::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -24px;
  width: 24px;
  height: 1px;
  background: linear-gradient(90deg, var(--culture-line-strong), transparent);
}
.culture-page .cp-life-item.cp-life-right::after {
  content: '';
  position: absolute;
  top: 50%;
  left: -24px;
  width: 24px;
  height: 1px;
  background: linear-gradient(270deg, var(--culture-line-strong), transparent);
}
.culture-page .cp-life-item.is-current::after {
  background: linear-gradient(90deg, var(--culture-gold), transparent);
}
.culture-page .cp-life-item.cp-life-right.is-current::after {
  background: linear-gradient(270deg, var(--culture-gold), transparent);
}
.culture-page .cp-life-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 2px;
  line-height: 1.4;
  color: var(--culture-river-dark);
}
.culture-page .cp-life-tag {
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--culture-muted);
}

/* 场景面板 */
.culture-page .cp-life-panels {
  margin-top: 4px;
}
.culture-page .cp-life-panel {
  display: none;
}
.culture-page .cp-life-panel.is-current {
  display: block;
  animation: cpLifePanelIn var(--motion-base) var(--culture-ease);
}
@keyframes cpLifePanelIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}
.culture-page .cp-life-panel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 0.82fr);
  gap: 40px;
  align-items: start;
  padding: 30px 32px;
  box-sizing: border-box;
  border: 1px solid var(--culture-line);
  border-radius: var(--culture-r-md);
  background: #fff;
  box-shadow: 0 1px 2px rgba(20, 91, 84, 0.04);
}
.culture-page .cp-life-panel.cp-life-text-only .cp-life-panel-grid {
  display: block;
}
.culture-page .cp-life-panel.cp-life-text-only .cp-life-panel-main {
  max-width: 960px;
}
.culture-page .cp-life-head { margin-bottom: 18px; }
.culture-page .cp-life-head h3 {
  margin: 0;
  line-height: 1.5;
}
.culture-page .cp-life-meta {
  margin: 0 0 20px;
}
.culture-page .cp-life-meta-row {
  display: flex;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--culture-line);
}
.culture-page .cp-life-meta-row:last-child { border-bottom: 0; }
.culture-page .cp-life-meta dt {
  flex: 0 0 92px;
  padding-top: 4px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--culture-gold);
}
.culture-page .cp-life-meta dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--culture-ink);
}
.culture-page .cp-life-analysis {
  border-top: 1px solid var(--culture-line);
  padding-top: 18px;
}
.culture-page .cp-life-analysis-label {
  display: inline-block;
  margin-bottom: 12px;
}
.culture-page .cp-life-sub {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--culture-river);
}
.culture-page .cp-life-analysis p {
  margin: 0;
}
.culture-page .cp-life-analysis p + p { margin-top: 14px; }

/* 场景配图 */
.culture-page .cp-life-art {
  margin: 0;
  max-width: none;
  align-self: start;
}
.culture-page .cp-life-art img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--culture-r-md);
  border: 1px solid var(--culture-line);
  background: var(--culture-mist);
}
.culture-page .cp-life-art figcaption {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  text-align: left;
  font-size: 14px;
  line-height: 1.6;
  color: var(--culture-ink);
}

/* 水文词根 */
.culture-page .cp-wordroot {
  margin: 34px 0 8px;
  padding: 22px 24px 24px;
  border-radius: var(--culture-r-md);
  border: 1px solid var(--culture-line);
  background: var(--culture-mist);
}
.culture-page .cp-wordroot-title {
  margin: 0 0 16px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--culture-river-dark);
}
.culture-page .cp-wordroot-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.culture-page .cp-wordroot-tag {
  min-width: 64px;
  padding: 9px 20px;
  box-sizing: border-box;
  border-radius: 999px;
  border: 1px solid var(--culture-line-strong);
  background: #fff;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--culture-river-dark);
  cursor: pointer;
  transition: background-color var(--motion-base) var(--culture-ease),
              color var(--motion-base) var(--culture-ease),
              border-color var(--motion-base) var(--culture-ease);
}
.culture-page .cp-wordroot-tag:hover {
  border-color: var(--culture-river);
  color: var(--culture-river);
}
.culture-page .cp-wordroot-tag.is-current {
  background: var(--culture-river-dark);
  border-color: var(--culture-river-dark);
  color: #F7F4EA;
}
.culture-page .cp-wordroot-panels { margin-top: 18px; }
.culture-page .cp-wordroot-panel {
  display: none;
}
.culture-page .cp-wordroot-panel.is-current {
  display: grid;
  gap: 10px;
  animation: cpLifePanelIn var(--motion-base) var(--culture-ease);
}
.culture-page .cp-wordroot-row {
  display: flex;
  gap: 14px;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--culture-ink);
}
.culture-page .cp-wordroot-row span {
  flex: 0 0 150px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--culture-gold);
}

@media (max-width: 768px) {
  .culture-page .cp-life-flow {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 10px;
    margin: 26px 0 20px;
    padding-bottom: 6px;
  }
  .culture-page .cp-life-track { display: none; }
  .culture-page .cp-life-item {
    flex: 0 0 auto;
    width: auto;
    min-width: 150px;
    max-width: none;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
  }
  .culture-page .cp-life-item::after { display: none; }
  .culture-page .cp-life-panel-grid {
    grid-template-columns: 1fr;
    padding: 24px 22px 26px;
  }
  .culture-page .cp-life-meta-row {
    flex-direction: column;
    gap: 4px;
  }
  .culture-page .cp-life-meta dt { flex: 0 0 auto; }
  .culture-page .cp-wordroot-row {
    flex-direction: column;
    gap: 4px;
  }
  .culture-page .cp-wordroot-row span { flex: 0 0 auto; }
}

@media (prefers-reduced-motion: reduce) {
  .culture-page .cp-life-w1,
  .culture-page .cp-life-w2,
  .culture-page .cp-life-w3,
  .culture-page .cp-life-bubble { animation: none; }
  .culture-page .cp-life-panel.is-current,
  .culture-page .cp-wordroot-panel.is-current { animation: none; }
}

/* ================================================================
   水与生态专题：数据仪表 / 生态案例 / 治理维度协同图
   ================================================================ */
.culture-page #topic-ecology {
  scroll-margin-top: 88px;
}
.culture-page .cp-eco,
.culture-page .cp-eco-cases,
.culture-page .cp-gov { margin-top: 44px; }

/* 生态数据：水纹式仪表 */
.culture-page .cp-eco-head,
.culture-page .cp-eco-cases-head,
.culture-page .cp-gov-head { margin: 0 0 18px; }
.culture-page .cp-eco-head h3,
.culture-page .cp-eco-cases-head h3,
.culture-page .cp-gov-head h3 {
  margin: 0 0 8px;
}
.culture-page .cp-eco-kicker {
  display: inline-block;
  margin-bottom: 8px;
}
.culture-page .cp-eco-head p,
.culture-page .cp-eco-cases-head p,
.culture-page .cp-gov-head p {
  margin: 0;
}
.culture-page .cp-eco-gauges {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.culture-page .cp-eco-gauge {
  background: #fff;
  border: 1px solid var(--culture-line);
  border-radius: var(--culture-r-md);
  padding: 18px 18px 15px;
  box-shadow: 0 1px 2px rgba(20, 91, 84, 0.04);
}
.culture-page .cp-eco-gauge-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.culture-page .cp-eco-gauge-ico {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--culture-gold);
}
.culture-page .cp-eco-gauge-name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--culture-river-dark);
}
.culture-page .cp-eco-gauge-read {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 12px 0 12px;
}
.culture-page .cp-eco-gauge-read .cp-data-value { font-size: 36px; }
.culture-page .cp-eco-gauge-approx {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--culture-river);
}
.culture-page .cp-eco-gauge-unit {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--culture-river);
}
.culture-page .cp-eco-gauge-track {
  position: relative;
  height: 30px;
  border-radius: var(--culture-r-sm);
  border: 1px solid var(--culture-line);
  background: var(--culture-mist);
  overflow: hidden;
}
.culture-page .cp-eco-gauge-base,
.culture-page .cp-eco-gauge-surface {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 8px;
}
.culture-page .cp-eco-gauge-base { color: var(--culture-line-strong); }
.culture-page .cp-eco-gauge-fill {
  position: absolute;
  inset: 0;
  display: block;
  background: linear-gradient(180deg, rgba(79, 143, 163, 0.5), rgba(20, 91, 84, 0.78));
  transform: translateX(-101%);
  transition: transform 1.1s var(--culture-ease);
}
.culture-page .cp-eco.is-visible .cp-eco-gauge-fill { transform: translateX(0); }
.culture-page .cp-eco-gauge-crest {
  color: var(--culture-gold);
  animation: cpEcoDrift 9s ease-in-out infinite alternate;
}
@keyframes cpEcoDrift {
  from { transform: translateX(0); }
  to   { transform: translateX(-8px); }
}
.culture-page .cp-eco-gauge-note {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--culture-muted);
}
.culture-page .cp-eco-gauge-src {
  margin: 8px 0 0;
  padding-top: 8px;
  border-top: 1px dashed var(--culture-line);
  font-size: 12px;
  letter-spacing: 0.5px;
  color: var(--culture-faint);
}

/* 生态案例 */
.culture-page .cp-eco-case-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.culture-page .cp-eco-case-tab {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 16px;
  border: 1px solid var(--culture-line);
  border-radius: 999px;
  background: #fff;
  color: var(--culture-muted);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: color var(--motion-base) var(--culture-ease),
              background-color var(--motion-base) var(--culture-ease),
              border-color var(--motion-base) var(--culture-ease);
}
.culture-page .cp-eco-case-tab:hover {
  color: var(--culture-river);
  border-color: var(--culture-line-strong);
}
.culture-page .cp-eco-case-tab.is-current {
  background: var(--culture-river-dark);
  border-color: var(--culture-river-dark);
  color: #fff;
}
.culture-page .cp-eco-case-tab:focus-visible {
  outline: 2px solid var(--culture-gold);
  outline-offset: 2px;
}
.culture-page .cp-eco-case-panels {
  margin-top: 18px;
  padding: 26px;
  background: #fff;
  border: 1px solid var(--culture-line);
  border-radius: var(--culture-r-md);
  box-shadow: 0 1px 2px rgba(20, 91, 84, 0.04);
}
.culture-page .cp-eco-case-panel { display: none; }
.culture-page .cp-eco-case-panel.is-current {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 0.82fr);
  gap: 40px;
  align-items: start;
  animation: cpPanelIn var(--motion-slow) var(--culture-ease);
}
.culture-page .cp-eco-case-media-wrap {
  min-width: 0;
  order: 2;
}
.culture-page .cp-eco-case-media-wrap .cp-figure {
  margin: 0;
  max-width: none;
}
.culture-page .cp-eco-case-media {
  position: relative;
  aspect-ratio: 3 / 2;
  border-radius: var(--culture-r-sm);
  overflow: hidden;
  border: 1px solid var(--culture-line);
}
.culture-page .cp-eco-case-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.culture-page .cp-eco-case-text { min-width: 0; order: 1; }
.culture-page .cp-eco-case-title { margin-bottom: 14px; }
.culture-page .cp-eco-case-title h4 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 1px;
  line-height: 1.5;
  color: var(--culture-river-dark);
}
.culture-page .cp-eco-case-meta { margin: 0 0 6px; }
.culture-page .cp-eco-case-meta-row {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--culture-line);
}
.culture-page .cp-eco-case-meta-row:last-child { border-bottom: 0; }
.culture-page .cp-eco-case-meta dt {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--culture-gold);
}
.culture-page .cp-eco-case-meta dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--culture-ink);
}

/* 治理维度协同图 */
.culture-page .cp-gov-grid {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 34px;
  align-items: center;
}
.culture-page .cp-gov-ring {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  aspect-ratio: 1 / 1;
}
.culture-page .cp-gov-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.culture-page .cp-gov-base {
  fill: none;
  stroke: var(--culture-water);
  stroke-width: 2;
  opacity: 0.45;
  stroke-linejoin: round;
}
.culture-page .cp-gov-pulse {
  fill: none;
  stroke: var(--culture-gold);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 12 16;
  animation: cpGovFlow 9s linear infinite;
}
@keyframes cpGovFlow {
  to { stroke-dashoffset: -28; }
}
.culture-page .cp-gov-node {
  position: absolute;
  transform: translate(-50%, -50%);
  width: 88px;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1.5px solid var(--culture-water);
  background: var(--culture-paper);
  color: var(--culture-river);
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(20, 91, 84, 0.08);
  transition: color var(--motion-base) var(--culture-ease),
              background-color var(--motion-base) var(--culture-ease),
              border-color var(--motion-base) var(--culture-ease),
              transform var(--motion-base) var(--culture-ease);
}
.culture-page .cp-gov-node:hover {
  border-color: var(--culture-gold);
  transform: translate(-50%, -50%) scale(1.05);
}
.culture-page .cp-gov-node.is-current {
  background: var(--culture-river-dark);
  border-color: var(--culture-gold);
  color: var(--culture-paper);
}
.culture-page .cp-gov-node:focus-visible {
  outline: 2px solid var(--culture-gold);
  outline-offset: 3px;
}
.culture-page .cp-gov-detail { min-width: 0; }
.culture-page .cp-gov-panel { display: none; }
.culture-page .cp-gov-panel.is-current {
  display: block;
  animation: cpPanelIn var(--motion-slow) var(--culture-ease);
}
.culture-page .cp-gov-panel-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--culture-river-dark);
}
.culture-page .cp-gov-panel-title::before {
  content: '维度 · ';
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--culture-gold);
}
.culture-page .cp-gov-rows { margin: 0; }
.culture-page .cp-gov-row {
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--culture-line);
}
.culture-page .cp-gov-row:last-child { border-bottom: 0; }
.culture-page .cp-gov-row dt {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--culture-gold);
}
.culture-page .cp-gov-row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--culture-ink);
}
.culture-page .cp-gov-caption {
  margin: 22px 0 0;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--culture-muted);
}

@media (max-width: 1024px) {
  .culture-page .cp-eco-gauges { grid-template-columns: repeat(3, 1fr); }
  .culture-page .cp-gov-grid { grid-template-columns: 340px 1fr; gap: 26px; }
}

@media (max-width: 768px) {
  .culture-page .cp-eco-case-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
  }
  .culture-page .cp-eco-case-tab { flex: 0 0 auto; }
  .culture-page .cp-eco-case-panel.is-current {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .culture-page .cp-eco-case-media {
    aspect-ratio: auto;
    height: 220px;
  }
  .culture-page .cp-gov-grid { grid-template-columns: 1fr; }
  .culture-page .cp-gov-ring { max-width: 320px; }
  .culture-page .cp-gov-node { width: 78px; height: 78px; font-size: 16px; }
  .culture-page .cp-gov-row { grid-template-columns: 1fr; gap: 4px; }
  .culture-page .cp-eco-case-meta-row { grid-template-columns: 1fr; gap: 4px; }
}

@media (max-width: 560px) {
  .culture-page .cp-eco-gauges { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .culture-page .cp-eco-gauge-fill {
    transition: none;
    transform: translateX(0);
  }
  .culture-page .cp-eco-gauge-crest,
  .culture-page .cp-gov-pulse { animation: none; }
  .culture-page .cp-eco-case-panel.is-current,
  .culture-page .cp-gov-panel.is-current { animation: none; }
}

/* ================================================================
   和平水脉
   ================================================================ */
.culture-page .cp-peace { margin-top: 36px; }
.culture-page .cp-peace-head { margin: 0 0 18px; }
.culture-page .cp-peace-head h3 {
  margin: 0 0 8px;
}
.culture-page .cp-peace-kicker {
  display: inline-block;
  margin-bottom: 8px;
}
.culture-page .cp-peace-head p {
  margin: 0;
}
.culture-page #culture-peace {
  scroll-margin-top: 88px;
}
.culture-page #cp-sec-7 {
  scroll-margin-top: 88px;
}

.culture-page .cp-peace-stage {
  max-width: 700px;
  margin-inline: auto;
  background: #fff;
  border: 1px solid var(--culture-line);
  border-radius: var(--culture-r-md);
  padding: 18px 20px 14px;
}
.culture-page .cp-peace-figure { position: relative; }
.culture-page .cp-peace-svg { display: block; width: 100%; height: auto; }
.culture-page .cp-peace-svg-vert { display: none; }

/* 中心同心水纹 */
.culture-page .cp-peace-ring {
  fill: none;
  stroke: var(--culture-water);
  stroke-width: 1.4;
  opacity: 0;
  transform: scale(0.6);
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 1s ease, opacity 1s ease;
}
.culture-page .cp-peace-ring-gold {
  stroke: var(--culture-gold);
  stroke-width: 1.6;
}
.culture-page .cp-peace-center-text,
.culture-page .cp-peace-center-sub {
  opacity: 0;
  fill: var(--culture-river-dark);
  transition: opacity 0.9s ease;
}
.culture-page .cp-peace-center-text {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 800;
  letter-spacing: 6px;
}
.culture-page .cp-peace-center-sub {
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 8px;
  fill: var(--culture-gold);
}
.culture-page .cp-peace-figure.is-played .cp-peace-ring {
  transform: scale(1);
  opacity: 0.5;
}
.culture-page .cp-peace-figure.is-played .cp-peace-ring-gold { opacity: 0.85; }
.culture-page .cp-peace-figure.is-played .cp-peace-ring:nth-child(1) { transition-delay: 2.7s; }
.culture-page .cp-peace-figure.is-played .cp-peace-ring:nth-child(2) { transition-delay: 2.85s; }
.culture-page .cp-peace-figure.is-played .cp-peace-ring:nth-child(3) { transition-delay: 3s; }
.culture-page .cp-peace-figure.is-played .cp-peace-center-text { transition-delay: 3.3s; }
.culture-page .cp-peace-figure.is-played .cp-peace-center-sub { transition-delay: 3.45s; }
.culture-page .cp-peace-figure.is-played .cp-peace-center-text,
.culture-page .cp-peace-figure.is-played .cp-peace-center-sub {
  opacity: 1;
}

/* 水脉路径 */
.culture-page .cp-peace-vein {
  cursor: pointer;
}
.culture-page .cp-peace-vein:focus-visible {
  outline: 2px solid var(--culture-water);
  outline-offset: 4px;
}
.culture-page .cp-peace-path {
  fill: none;
  stroke: var(--culture-water);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  transition: stroke-dashoffset 1.1s var(--culture-ease), stroke 0.4s ease, opacity 0.4s ease;
}
.culture-page .cp-peace-flow {
  fill: none;
  stroke: var(--culture-gold);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-dasharray: 0.06 0.12;
  stroke-dashoffset: 0.15;
  opacity: 0;
  animation: cpPeaceFlow 3.2s linear infinite;
}
.culture-page .cp-peace-figure.is-played .cp-peace-flow {
  opacity: 0.85;
  transition: opacity 0.6s ease 0.4s;
}
@keyframes cpPeaceFlow {
  from { stroke-dashoffset: 0.3; }
  to { stroke-dashoffset: -0.3; }
}
.culture-page .cp-peace-figure.is-played .cp-peace-vein[data-vein="0"] .cp-peace-path { transition: stroke-dashoffset 1.1s var(--culture-ease) 0.15s, stroke 0.4s ease, opacity 0.4s ease; }
.culture-page .cp-peace-figure.is-played .cp-peace-vein[data-vein="1"] .cp-peace-path { transition: stroke-dashoffset 1.1s var(--culture-ease) 0.75s, stroke 0.4s ease, opacity 0.4s ease; }
.culture-page .cp-peace-figure.is-played .cp-peace-vein[data-vein="2"] .cp-peace-path { transition: stroke-dashoffset 1.1s var(--culture-ease) 1.35s, stroke 0.4s ease, opacity 0.4s ease; }
.culture-page .cp-peace-figure.is-played .cp-peace-vein[data-vein="3"] .cp-peace-path { transition: stroke-dashoffset 1.1s var(--culture-ease) 1.95s, stroke 0.4s ease, opacity 0.4s ease; }

/* 水脉交互状态 */
.culture-page .cp-peace-vein.is-dim { opacity: 0.3; }
.culture-page .cp-peace-vein.is-active .cp-peace-path {
  stroke: var(--culture-river-dark);
  stroke-width: 3;
  opacity: 1;
}
.culture-page .cp-peace-vein.is-active .cp-peace-flow { stroke: var(--culture-gold); }
.culture-page .cp-peace-dot { fill: var(--culture-gold); }
.culture-page .cp-peace-vein.is-active .cp-peace-dot { fill: var(--culture-river-dark); }
.culture-page .cp-peace-vein-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 2px;
  fill: var(--culture-river-dark);
}

/* 解释面板与按钮 */
.culture-page .cp-peace-note {
  margin-top: 14px;
  padding: 13px 16px;
  min-height: 78px;
  background: var(--culture-mist);
  border-left: 3px solid var(--culture-gold);
  border-radius: 0 var(--culture-r-sm) var(--culture-r-sm) 0;
}
.culture-page .cp-peace-note-name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--culture-river-dark);
}
.culture-page .cp-peace-note-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--culture-ink);
}
.culture-page .cp-peace-btns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  max-width: 700px;
  margin: 12px auto 0;
}
.culture-page .cp-peace-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 30px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--culture-river-dark);
  background: #fff;
  border: 1px solid var(--culture-line);
  border-radius: var(--culture-r-md);
  cursor: pointer;
  transition: border-color 0.3s ease, color 0.3s ease, background 0.3s ease, transform 0.3s ease;
}
.culture-page .cp-peace-btn:hover {
  border-color: var(--culture-water);
  color: var(--culture-water);
  transform: translateY(-2px);
}
.culture-page .cp-peace-btn:focus-visible {
  outline: 2px solid var(--culture-water);
  outline-offset: 2px;
}
.culture-page .cp-peace-btn.is-current {
  color: #fff;
  background: var(--culture-river-dark);
  border-color: var(--culture-river-dark);
}
.culture-page .cp-peace-caption {
  margin: 14px 0 0;
  text-align: center;
  font-size: 14px;
  letter-spacing: 3px;
  color: var(--culture-muted);
}

@media (max-width: 768px) {
  .culture-page .cp-peace-svg-wide { display: none; }
  .culture-page .cp-peace-svg-vert {
    display: block;
    max-width: 420px;
    margin-inline: auto;
  }
  .culture-page .cp-peace-stage { padding: 14px 14px 12px; }
  .culture-page .cp-peace-btns { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .culture-page .cp-peace-path {
    transition: none;
    stroke-dashoffset: 0;
  }
  .culture-page .cp-peace-flow {
    animation: none;
    opacity: 0.85;
    transition: none;
  }
  .culture-page .cp-peace-ring,
  .culture-page .cp-peace-center-text,
  .culture-page .cp-peace-center-sub {
    transition: none;
  }
  .culture-page .cp-peace-figure.is-played .cp-peace-ring {
    transform: scale(1);
    opacity: 0.5;
  }
  .culture-page .cp-peace-figure.is-played .cp-peace-ring-gold { opacity: 0.85; }
  .culture-page .cp-peace-figure.is-played .cp-peace-center-text,
  .culture-page .cp-peace-figure.is-played .cp-peace-center-sub {
    opacity: 1;
  }
  .culture-page .cp-peace-btn,
  .culture-page .cp-peace-vein,
  .culture-page .cp-peace-vein .cp-peace-path {
    transition: none;
  }
}

/* ================================================================
   研究依据与图片授权
   ================================================================ */
.culture-page .cp-refs-open {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 12px;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid var(--culture-line);
  border-radius: var(--culture-r-md);
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--culture-river-dark);
  cursor: pointer;
  transition: border-color var(--motion-base) var(--culture-ease),
              background-color var(--motion-base) var(--culture-ease);
}
.culture-page .cp-refs-open:hover {
  background: var(--culture-mist);
  border-color: var(--culture-water);
}
.culture-page .cp-refs-open:focus-visible {
  outline: 2px solid var(--culture-gold);
  outline-offset: 2px;
}
.culture-page .cp-refs-open svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform var(--motion-base) var(--culture-ease);
}
.culture-page .cp-refs-open.is-open svg { transform: rotate(180deg); }
.culture-page .cp-refs-body {
  margin-top: 14px;
  max-width: 1100px;
}

.culture-page .cp-refs-tabs {
  display: flex;
  gap: 10px;
  border-bottom: 1px solid var(--culture-line);
  padding-bottom: 10px;
}
.culture-page .cp-refs-tab {
  padding: 9px 18px;
  border: 1px solid var(--culture-line);
  border-radius: 999px;
  background: #fff;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--culture-river);
  cursor: pointer;
  transition: background-color var(--motion-base) var(--culture-ease),
              border-color var(--motion-base) var(--culture-ease),
              color var(--motion-base) var(--culture-ease);
}
.culture-page .cp-refs-tab:hover {
  border-color: var(--culture-water);
  color: var(--culture-water);
}
.culture-page .cp-refs-tab:focus-visible {
  outline: 2px solid var(--culture-gold);
  outline-offset: 2px;
}
.culture-page .cp-refs-tab.is-current {
  background: var(--culture-river-dark);
  border-color: var(--culture-river-dark);
  color: #fff;
}
.culture-page .cp-refs-panels { margin-top: 18px; }
.culture-page .cp-refs-panel { display: none; }
.culture-page .cp-refs-panel.is-current { display: block; }

/* 官方资料分类（手风琴） */
.culture-page .cp-refs-group { margin-bottom: 10px; }
.culture-page .cp-refs-group-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 16px;
  background: var(--culture-mist);
  border: 1px solid var(--culture-line);
  border-radius: var(--culture-r-sm);
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--culture-river-dark);
  text-align: left;
  cursor: pointer;
  transition: border-color var(--motion-base) var(--culture-ease);
}
.culture-page .cp-refs-group-toggle:hover {
  border-color: var(--culture-water);
}
.culture-page .cp-refs-group-toggle:focus-visible {
  outline: 2px solid var(--culture-gold);
  outline-offset: 2px;
}
.culture-page .cp-refs-group-num {
  font-family: var(--font-display);
}
.culture-page .cp-refs-group-title { flex: 1; }
.culture-page .cp-refs-group-arrow {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  transition: transform var(--motion-base) var(--culture-ease);
}
.culture-page .cp-refs-group-toggle.is-open .cp-refs-group-arrow { transform: rotate(180deg); }
.culture-page .cp-refs-group-body { padding: 4px 2px 6px; }
.culture-page .cp-refs-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.culture-page .cp-refs-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 6px;
  border-bottom: 1px solid var(--culture-line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--culture-ink);
  transition: background-color var(--motion-base) var(--culture-ease);
}
.culture-page .cp-refs-item:last-child { border-bottom: 0; }
.culture-page .cp-refs-item.is-target {
  background: rgba(192, 165, 110, 0.14);
  outline: 1px solid var(--culture-gold);
  outline-offset: -1px;
  border-radius: var(--culture-r-sm);
}
.culture-page .cp-refs-id {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--culture-gold);
}
.culture-page .cp-refs-link {
  display: inline-block;
  margin-left: 8px;
  color: var(--culture-water);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  white-space: nowrap;
  transition: color var(--motion-base) var(--culture-ease);
}
.culture-page .cp-refs-link:hover {
  color: var(--culture-river-dark);
}
.culture-page .cp-refs-pending {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--culture-gold-soft);
  color: var(--culture-muted);
  font-size: 12px;
  white-space: nowrap;
}

/* 图片来源与开放许可 */
.culture-page .cp-img-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.culture-page .cp-img-item {
  display: flex;
  gap: 14px;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--culture-line);
  border-radius: var(--culture-r-md);
}
.culture-page .cp-img-thumb {
  flex-shrink: 0;
  width: 108px;
  height: 108px;
  overflow: hidden;
  border-radius: var(--culture-r-sm);
  background: var(--culture-mist);
}
.culture-page .cp-img-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.culture-page .cp-img-info { flex: 1; min-width: 0; }
.culture-page .cp-img-name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  color: var(--culture-river-dark);
}
.culture-page .cp-img-meta { margin: 0; }
.culture-page .cp-img-row {
  display: flex;
  gap: 8px;
  margin: 0 0 4px;
  font-size: 12px;
  line-height: 1.6;
}
.culture-page .cp-img-row dt {
  flex-shrink: 0;
  width: 64px;
  color: var(--culture-muted);
}
.culture-page .cp-img-row dd {
  margin: 0;
  color: var(--culture-ink);
}
.culture-page .cp-img-meta a {
  color: var(--culture-water);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color var(--motion-base) var(--culture-ease);
}
.culture-page .cp-img-meta a:hover {
  color: var(--culture-river-dark);
}
.culture-page .cp-img-pending { color: var(--culture-muted); }

@media (max-width: 768px) {
  .culture-page .cp-refs-tabs { flex-direction: column; align-items: stretch; }
  .culture-page .cp-refs-tab { text-align: center; }
  .culture-page .cp-img-list { grid-template-columns: 1fr; }
  .culture-page .cp-img-thumb { width: 88px; height: 88px; }
}

/* ================================================================
   统一面板切换（switchCulturePanel）
   ================================================================ */
@keyframes cpPanelOut {
  from { opacity: 1; transform: none; }
  to   { opacity: 0; transform: translateY(-6px); }
}
.culture-page .cp-era-panel.is-leaving,
.culture-page .cp-life-panel.is-leaving,
.culture-page .cp-wordroot-panel.is-leaving,
.culture-page .cp-eco-case-panel.is-leaving,
.culture-page .cp-gov-panel.is-leaving,
.culture-page .cp-refs-panel.is-leaving {
  display: block;
  animation: cpPanelOut 140ms var(--culture-ease) forwards;
}

/* ================================================================
   响应式
   ================================================================ */
@media (max-width: 1199px) {
  /* 768–1199：容器两侧 24px */
  .culture-page .cp-path-inner,
  .culture-page .cp-article-inner {
    width: calc(100% - 48px);
  }
  /* 900–1199：专题两列 */
  .culture-page .cp-topics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1000px) {
  /* 图文两栏 → 单列，文字在上图片在下 */
  .culture-page .cp-case-panel.is-current,
  .culture-page .cp-case-panel.is-incoming,
  .culture-page .cp-eco-case-panel.is-current,
  .culture-page .cp-life-panel-grid {
    grid-template-columns: 1fr;
  }
  .culture-page .cp-case-panel .cp-case-media-wrap,
  .culture-page .cp-eco-case-panel .cp-eco-case-media-wrap {
    order: 2;
  }
}

@media (max-width: 1024px) {
  .culture-page .cp-hero {
    min-height: 0;
  }
}

@media (max-width: 900px) {
  /* 768–899：Hero 单列，图片置于文字下方 */
  .culture-page .cp-hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-top: 64px;
    padding-bottom: 64px;
  }
  .culture-page .cp-hero-copy {
    justify-self: center;
    text-align: center;
  }
  .culture-page .cp-hero-kicker { justify-content: center; }
  .culture-page .cp-hero-desc { max-width: 540px; margin-inline: auto; }
  .culture-page .cp-hero-actions {
    justify-content: center;
  }
  .culture-page .cp-hero-figure {
    justify-self: center;
    max-width: 560px;
  }
  /* 阅读路径切换到纵向 */
  .culture-page .cp-path-figure {
    overflow: visible;
    padding-bottom: 0;
  }
  .culture-page .cp-path-svg {
    display: none;
    min-width: 0;
  }
  .culture-page .cp-path-svg-vert {
    display: block;
  }
}

@media (max-width: 768px) {
  .culture-page .cp-path-inner,
  .culture-page .cp-article-inner {
    width: calc(100% - 32px);
  }
  .culture-page .cp-path {
    padding: 48px 0 44px;
  }
  .culture-page .cp-article-inner {
    padding: 0 0 32px;
  }
  .culture-page .cp-topics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-top: 6px;
  }
  .culture-page .cp-sec {
    margin-bottom: 56px;
  }
  .culture-page .cp-sec-head {
    gap: 14px;
  }
  .culture-page .cp-poem p {
    font-size: 16px;
    letter-spacing: 2px;
  }
  .culture-page .cp-table-wrap {
    overflow-x: auto;
  }
  .culture-page .cp-table {
    min-width: 600px;
    font-size: 14px;
  }
  /* 触摸目标不小于 44px */
  .culture-page .cp-scroll-item,
  .culture-page .cp-era-step,
  .culture-page .cp-case-tab,
  .culture-page .cp-case-toggle,
  .culture-page .cp-life-item,
  .culture-page .cp-wordroot-tag,
  .culture-page .cp-eco-case-tab,
  .culture-page .cp-peace-btn,
  .culture-page .cp-refs-tab {
    min-height: 44px;
  }
}

@media (max-width: 640px) {
  .culture-page .cp-topics-grid {
    grid-template-columns: 1fr;
  }
  .culture-page .cp-cases-panels,
  .culture-page .cp-eco-case-panels,
  .culture-page .cp-life-panel-grid {
    padding: 22px 20px;
  }
}

@media (max-width: 480px) {
  .culture-page .cp-sec-head {
    flex-direction: column;
    gap: 8px;
  }
  .culture-page .cp-poem {
    margin: 26px 0;
    padding: 24px 18px;
  }
  .culture-page .cp-poem p {
    font-size: 16px;
  }
}

@media (max-width: 390px) {
  .culture-page .cp-eco-gauges {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .culture-page *,
  .culture-page *::before,
  .culture-page *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .culture-page,
  .culture-page * {
    scroll-behavior: auto !important;
  }
  .culture-page .cp-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html.js .culture-page [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .culture-page .cp-hero .cp-hero-kicker,
  .culture-page .cp-hero .cp-hero-title,
  .culture-page .cp-hero .cp-hero-line-1,
  .culture-page .cp-hero .cp-hero-line-2,
  .culture-page .cp-hero .cp-hero-sub,
  .culture-page .cp-hero .cp-hero-desc,
  .culture-page .cp-hero .cp-hero-actions,
  .culture-page .cp-hero-figure {
    animation: none;
  }
  .culture-page .cp-path-base {
    stroke-dashoffset: 0;
    transition: none;
  }
  .culture-page .cp-path-flow {
    opacity: 0.85;
    animation: none;
    transition: none;
  }
  .culture-page .cp-path-step {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .culture-page .cp-path-step.is-future {
    opacity: 0.55;
  }
  .culture-page .cp-topic-card,
  .culture-page .cp-topic-enter svg {
    transition: none;
  }
  .culture-page .cp-topic-card:hover,
  .culture-page .cp-topic-card:focus-visible {
    transform: none;
  }
}

/* ---- ����˼������ˮ��������һ���⣨�͵���ת��ˮ�£� ---- */
.culture-page .cp-virtue-ext {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin-top: 26px;
  padding: 8px 0;
}
.culture-page .cp-virtue-ext-label {
  letter-spacing: 2px;
}
.culture-page .cp-virtue-ext-linkwrap {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 14px;
}
.culture-page .cp-virtue-ext-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--culture-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(197, 161, 90, 0.45);
  padding-bottom: 2px;
  transition: color var(--motion-base) var(--culture-ease), border-color var(--motion-base) var(--culture-ease);
}
.culture-page .cp-virtue-ext-link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--motion-base) var(--culture-ease);
}
.culture-page .cp-virtue-ext-link:hover,
.culture-page .cp-virtue-ext-link:focus-visible {
  color: var(--culture-river);
  border-color: var(--culture-river);
}
.culture-page .cp-virtue-ext-link:hover svg,
.culture-page .cp-virtue-ext-link:focus-visible svg {
  transform: translateX(3px);
}
.culture-page .cp-virtue-ext-hint {
  font-size: 12px;
  color: var(--culture-faint);
}