/* ===== 二安·照见 宋韵水墨样式系统 · 宣纸留白 ===== */

:root {
  /* 墨色层级 */
  --ink-black: #1a1612;
  --ink-deep: #2c2620;
  --ink-mid: #5a5048;
  --ink-light: #8a7e72;
  --ink-faint: #b5a99a;
  /* 宣纸基底 */
  --paper: #f5f0e6;
  --paper-warm: #f8f5ed;
  --paper-dark: #e8e0d0;
  --moon-white: #faf7f0;
  /* 点缀色 */
  --celadon: #7a9e9c;
  --celadon-deep: #4a7a78;
  --ochre: #c49a5c;
  --ochre-light: #dbb878;
  --vermilion: #8b2e1f;
  --gold: #b8902e;
  --shadow: rgba(26, 22, 18, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  font-family: "Songti SC", "STSong", "SimSun", "Noto Serif SC", serif;
  background: var(--paper);
  color: var(--ink-deep);
  line-height: 1.8;
  min-height: 100vh;
}

body {
  background-image:
    radial-gradient(ellipse at 20% 20%, rgba(122, 158, 156, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(196, 154, 92, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(139, 46, 31, 0.02) 0%, transparent 60%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.85 0 0 0 0 0.75 0 0 0 0 0.55 0 0 0 0.06 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.hidden { display: none !important; }

/* ===== 顶部导航 ===== */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(245, 240, 230, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--paper-dark);
  transition: transform 0.3s;
}
.topbar-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 32px;
}
.brand { cursor: pointer; display: flex; align-items: center; gap: 10px; }
.brand-seal {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: linear-gradient(135deg, #a03828, #8b2e1f);
  color: #f5f0e6;
  font-size: 14px; font-weight: bold; letter-spacing: 0; line-height: 1;
  border-radius: 3px;
  writing-mode: vertical-rl;
  padding: 3px 2px;
  box-shadow: 0 2px 8px rgba(139, 46, 31, 0.25);
}
.brand-title {
  font-size: 20px; letter-spacing: 6px; color: var(--ink-black);
  font-weight: 500;
}
.topnav { display: flex; gap: 28px; }
.topnav a {
  color: var(--ink-mid); text-decoration: none; font-size: 14px;
  letter-spacing: 2px; cursor: pointer; transition: color 0.2s;
  position: relative;
}
.topnav a:hover { color: var(--vermilion); }
.topnav a::after {
  content: ''; position: absolute; bottom: -4px; left: 50%;
  width: 0; height: 1px; background: var(--vermilion);
  transition: all 0.3s; transform: translateX(-50%);
}
.topnav a:hover::after { width: 100%; }
.topbar-actions { display: flex; gap: 8px; }
.icon-btn {
  background: none; border: 1px solid var(--paper-dark);
  width: 36px; height: 36px; border-radius: 50%;
  cursor: pointer; color: var(--ink-mid); font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
}
.icon-btn:hover { border-color: var(--vermilion); color: var(--vermilion); background: rgba(139, 46, 31, 0.04); }

/* ===== 主内容 ===== */
.app-main {
  min-height: 100vh;
  padding-top: 0;
}
.app-main.with-topbar { padding-top: 64px; }

/* ===== 底部 ===== */
.footer {
  border-top: 1px solid var(--paper-dark);
  padding: 24px 32px;
  text-align: center;
  color: var(--ink-light);
  font-size: 12px;
  letter-spacing: 1px;
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-sub { display: block; margin-top: 4px; color: var(--ink-faint); font-size: 11px; }

/* ===== 通用组件 ===== */
.container { max-width: 1100px; margin: 0 auto; padding: 40px 32px; }
.page-header {
  text-align: center; margin-bottom: 48px;
}
.page-title {
  font-size: 32px; letter-spacing: 8px; color: var(--ink-black);
  font-weight: 400; margin-bottom: 8px;
}
.page-subtitle {
  font-size: 14px; color: var(--ink-light); letter-spacing: 4px;
}
.page-divider {
  width: 60px; height: 1px; background: var(--ink-faint);
  margin: 20px auto;
}

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 24px;
  background: transparent;
  border: 1px solid var(--ink-faint);
  color: var(--ink-deep);
  font-family: inherit; font-size: 14px; letter-spacing: 2px;
  cursor: pointer; transition: all 0.25s;
  border-radius: 2px;
}
.btn:hover { background: var(--paper-warm); color: var(--vermilion); border-color: var(--vermilion); }
.btn-primary {
  background: linear-gradient(135deg, #a03828, #8b2e1f);
  color: #f5f0e6;
  border-color: transparent;
}
.btn-primary:hover { background: linear-gradient(135deg, #b04030, #9a3525); color: #f5f0e6; box-shadow: 0 4px 16px rgba(139, 46, 31, 0.25); }
.btn-ghost { border-color: var(--ink-faint); color: var(--ink-light); }

.card {
  background: var(--moon-white);
  border: 1px solid var(--paper-dark);
  border-radius: 4px;
  padding: 28px;
  box-shadow: 0 2px 12px var(--shadow);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 24px var(--shadow);
  border-color: var(--ochre);
}

.tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px; letter-spacing: 1px;
  border: 1px solid var(--ink-faint);
  border-radius: 2px;
  color: var(--ink-light);
  margin-right: 6px;
}
.tag-vermilion { border-color: var(--vermilion); color: var(--vermilion); }
.tag-celadon { border-color: var(--celadon); color: var(--celadon-deep); }
.tag-ochre { border-color: var(--ochre); color: var(--ochre); }

/* ===== 页面背景层 ===== */
.page-bg {
  min-height: calc(100vh - 64px);
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  background-attachment: fixed;
}
.page-bg-timeline {
  background-image:
    radial-gradient(ellipse 60% 50% at 50% 30%, rgba(250,247,240,0.9) 0%, rgba(250,247,240,0.7) 40%, rgba(245,240,230,0.5) 70%, rgba(245,240,230,0.3) 100%),
    url('../assets/timeline-bg.png');
}
.page-bg-space {
  background-image:
    radial-gradient(ellipse 55% 60% at 50% 35%, rgba(250,247,240,0.92) 0%, rgba(250,247,240,0.75) 45%, rgba(245,240,230,0.55) 75%, rgba(245,240,230,0.3) 100%),
    url('../assets/space-bg.png');
}
.page-bg-plot {
  background-image:
    radial-gradient(ellipse 50% 55% at 50% 40%, rgba(250,247,240,0.95) 0%, rgba(250,247,240,0.88) 40%, rgba(245,240,230,0.65) 70%, rgba(245,240,230,0.3) 100%),
    url('../assets/plot-bg.png');
}
.page-bg-people {
  background-image:
    radial-gradient(ellipse 45% 60% at 50% 45%, rgba(250,247,240,0.94) 0%, rgba(250,247,240,0.82) 45%, rgba(245,240,230,0.55) 75%, rgba(245,240,230,0.25) 100%),
    url('../assets/people-bg.png');
}
.page-bg-culture {
  background-image:
    radial-gradient(ellipse 55% 55% at 50% 40%, rgba(250,247,240,0.93) 0%, rgba(250,247,240,0.8) 45%, rgba(245,240,230,0.55) 75%, rgba(245,240,230,0.25) 100%),
    url('../assets/culture-bg.png');
}

/* ===== 首页 ===== */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  position: relative;
  padding: 60px 24px;
  background:
    radial-gradient(ellipse 50% 40% at 50% 45%, rgba(250,247,240,0.85) 0%, rgba(250,247,240,0.5) 40%, transparent 75%),
    linear-gradient(to bottom, rgba(245,240,230,0.3) 0%, transparent 30%, transparent 70%, rgba(245,240,230,0.5) 100%),
    url('../assets/hero-bg.png') center/cover no-repeat;
}
.hero::before {
  content: ''; position: absolute;
  top: 45%; left: 50%; transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(196,154,92,0.08) 0%, rgba(122,158,156,0.04) 40%, transparent 70%);
  pointer-events: none;
}
.hero-title {
  font-size: 72px; letter-spacing: 24px;
  color: var(--ink-black); font-weight: 400;
  font-family: "STKaiti", "KaiTi", "楷体", "STXingkai", "华文行楷", "Noto Serif SC", serif;
  margin-bottom: 16px;
  text-indent: 24px;
  text-shadow: 0 2px 12px rgba(245,240,230,0.8);
}
.hero-sub {
  font-size: 16px; letter-spacing: 8px;
  color: var(--ink-mid);
  margin-bottom: 12px;
}
.hero-poem {
  font-size: 15px; color: var(--ink-light);
  letter-spacing: 3px; line-height: 2.2;
  margin-top: 40px; max-width: 500px;
  font-style: italic;
}
.hero-scroll {
  position: absolute; bottom: 40px;
  font-size: 12px; color: var(--ink-faint);
  letter-spacing: 4px;
  animation: float 2s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* 水墨晕染动画 */
@keyframes inkSpread {
  0% { opacity: 0.4; transform: translate(-50%, -50%) scale(0.8); }
  50% { opacity: 0.7; transform: translate(-50%, -50%) scale(1.1); }
  100% { opacity: 0.4; transform: translate(-50%, -50%) scale(0.8); }
}
.hero::before {
  animation: inkSpread 8s ease-in-out infinite;
}

/* 入场动画 */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in {
  opacity: 0;
}
.animate-in.visible {
  animation: fadeInUp 0.6s ease-out forwards;
}
.animate-in.delay-1 { animation-delay: 0.1s; }
.animate-in.delay-2 { animation-delay: 0.2s; }
.animate-in.delay-3 { animation-delay: 0.3s; }
.animate-in.delay-4 { animation-delay: 0.4s; }
.animate-in.delay-5 { animation-delay: 0.5s; }

/* 标题渐入 */
@keyframes titleFade {
  from { opacity: 0; letter-spacing: 40px; }
  to { opacity: 1; letter-spacing: 24px; }
}
.hero-title {
  animation: titleFade 1.5s ease-out;
}
@keyframes subFade {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-sub, .hero-poem {
  animation: subFade 1s ease-out 0.5s both;
}
.hero-poem { animation-delay: 0.8s; }
.hero-scroll { animation: subFade 1s ease-out 1.2s both, float 2s ease-in-out 1.2s infinite; }

.home-section-wrap {
  position: relative;
  width: 100%;
}
.home-modules {
  max-width: 1100px; margin: 0 auto;
  padding: 60px 32px 80px;
}
.side-verse {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-size: 28px;
  letter-spacing: 14px;
  color: rgba(26, 22, 18, 0.5);
  font-family: "STXingkai", "华文行楷", "Xingkai SC", "STKaiti", "KaiTi", serif;
  line-height: 2.4;
  pointer-events: none;
  user-select: none;
}
.side-verse-left { left: 5vw; }
.side-verse-right { right: 5vw; }
.home-section-title {
  text-align: center; font-size: 24px; letter-spacing: 6px;
  color: var(--ink-black); margin-bottom: 8px; font-weight: 400;
}
.home-section-sub {
  text-align: center; font-size: 13px; color: var(--ink-light);
  letter-spacing: 3px; margin-bottom: 48px;
}
.module-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}
.module-card {
  cursor: pointer; position: relative; overflow: hidden;
  min-height: 220px;
  flex: 1 1 300px;
  max-width: 340px;
}
.module-card .module-num {
  position: absolute; top: 20px; right: 24px;
  font-size: 48px; color: rgba(26, 22, 18, 0.06);
  font-weight: 300; line-height: 1;
}
.module-card .module-icon {
  font-size: 28px; margin-bottom: 16px; color: var(--ochre);
}
.module-card h3 {
  font-size: 22px; letter-spacing: 4px; color: var(--ink-black);
  margin-bottom: 10px; font-weight: 500;
}
.module-card p {
  font-size: 13px; color: var(--ink-light); line-height: 1.8;
  letter-spacing: 1px;
}
.module-card .module-summary {
  margin-top: 16px; padding-top: 16px;
  border-top: 1px dashed var(--paper-dark);
  font-size: 12px; color: var(--ink-faint);
}
.module-card:hover .module-num { color: rgba(139, 46, 31, 0.12); transition: color 0.3s; }

/* ===== 时空漫游 ===== */
.timeline-container {
  position: relative;
  padding: 40px 0;
}
.timeline-line {
  position: absolute; left: 50%; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(to bottom, transparent, var(--ink-faint), var(--ink-faint), transparent);
  transform: translateX(-50%);
}
.timeline-item {
  position: relative;
  display: flex; align-items: flex-start;
  margin-bottom: 32px;
  cursor: pointer;
}
.timeline-item:nth-child(odd) { flex-direction: row; }
.timeline-item:nth-child(even) { flex-direction: row-reverse; }
.timeline-item .tl-content {
  width: 44%;
  padding: 20px 24px;
  background: var(--moon-white);
  border: 1px solid var(--paper-dark);
  border-radius: 4px;
  box-shadow: 0 2px 8px var(--shadow);
  transition: all 0.25s;
}
.timeline-item:hover .tl-content {
  border-color: var(--ochre);
  box-shadow: 0 4px 16px var(--shadow);
}
.timeline-item .tl-dot {
  position: absolute; left: 50%; top: 28px;
  width: 14px; height: 14px;
  background: var(--paper);
  border: 2px solid var(--ink-mid);
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 2;
  transition: all 0.25s;
}
.timeline-item:hover .tl-dot {
  background: var(--vermilion); border-color: var(--vermilion);
}
.timeline-item.li .tl-dot { border-color: var(--celadon-deep); }
.timeline-item.xin .tl-dot { border-color: var(--ochre); }
.timeline-item.era .tl-dot { border-color: var(--vermilion); background: var(--vermilion); }
.tl-year {
  font-size: 13px; color: var(--ink-light); letter-spacing: 2px;
  margin-bottom: 4px;
}
.tl-title {
  font-size: 17px; color: var(--ink-black); letter-spacing: 2px;
  margin-bottom: 8px; font-weight: 500;
}
.tl-desc {
  font-size: 13px; color: var(--ink-mid); line-height: 1.7;
}
.tl-tag {
  display: inline-block; margin-top: 8px;
  font-size: 11px; padding: 1px 8px; border-radius: 2px;
  letter-spacing: 1px;
}
.tl-tag.li { background: rgba(122,158,156,0.15); color: var(--celadon-deep); }
.tl-tag.xin { background: rgba(196,154,92,0.15); color: var(--ochre); }
.tl-tag.era { background: rgba(139,46,31,0.1); color: var(--vermilion); }

.timeline-filters {
  display: flex; justify-content: center; gap: 12px;
  margin-bottom: 32px;
}
.filter-btn {
  padding: 6px 18px; font-size: 13px; letter-spacing: 2px;
  background: transparent; border: 1px solid var(--ink-faint);
  color: var(--ink-light); cursor: pointer; border-radius: 2px;
  transition: all 0.2s; font-family: inherit;
}
.filter-btn.active { background: var(--ink-black); color: var(--moon-white); border-color: var(--ink-black); }
.filter-btn:hover { border-color: var(--ink-deep); color: var(--ink-deep); }

/* ===== 文化空间 ===== */
.space-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  min-height: 600px;
}
.space-list {
  border-right: 1px solid var(--paper-dark);
  padding-right: 20px;
}
.space-list-item {
  padding: 14px 16px;
  border-bottom: 1px solid var(--paper-dark);
  cursor: pointer;
  transition: all 0.2s;
  display: flex; align-items: center; gap: 12px;
}
.space-list-item:hover { background: var(--paper-warm); }
.space-list-item.active { background: var(--paper-warm); border-left: 3px solid var(--vermilion); }
.space-list-item .sl-name {
  font-size: 15px; color: var(--ink-black); letter-spacing: 2px;
}
.space-list-item .sl-region {
  font-size: 11px; color: var(--ink-faint); margin-top: 2px;
}
.space-detail {
  padding: 8px 0;
}
.space-detail h2 {
  font-size: 26px; letter-spacing: 4px; color: var(--ink-black);
  margin-bottom: 6px; font-weight: 500;
}
.space-detail .sd-region {
  font-size: 13px; color: var(--ink-light); letter-spacing: 2px;
  margin-bottom: 24px;
}
.space-detail .sd-section {
  margin-bottom: 28px;
}
.space-detail .sd-section h3 {
  font-size: 15px; color: var(--celadon-deep); letter-spacing: 3px;
  margin-bottom: 10px; padding-bottom: 6px;
  border-bottom: 1px solid var(--paper-dark);
}
.space-detail .sd-section p {
  font-size: 14px; color: var(--ink-mid); line-height: 1.9;
}
.space-poem-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 8px; padding: 6px 14px;
  border: 1px solid var(--celadon); color: var(--celadon-deep);
  font-size: 12px; letter-spacing: 1px; cursor: pointer;
  border-radius: 2px; transition: all 0.2s;
}
.space-poem-link:hover { background: rgba(122,158,156,0.1); color: var(--celadon-deep); }

/* 简化地图 */
.space-map {
  width: 100%; height: 200px;
  background: linear-gradient(135deg, #e8e0d0, #ddd5c5);
  border: 1px solid var(--paper-dark);
  border-radius: 4px;
  margin-bottom: 24px;
  position: relative; overflow: hidden;
}
.space-map-dot {
  position: absolute; width: 10px; height: 10px;
  background: var(--vermilion); border-radius: 50%;
  cursor: pointer; transform: translate(-50%, -50%);
  box-shadow: 0 0 6px rgba(139,46,31,0.3);
  transition: all 0.2s;
}
.space-map-dot:hover { transform: translate(-50%, -50%) scale(1.4); }
.space-map-dot.active { background: var(--ochre); box-shadow: 0 0 0 4px rgba(196,154,92,0.2); }
.space-map-label {
  position: absolute; font-size: 11px; color: var(--ink-mid);
  transform: translate(-50%, -150%); letter-spacing: 1px;
  white-space: nowrap;
}

/* ===== 剧情体验 ===== */
.plot-container {
  max-width: 720px; margin: 0 auto;
}
.plot-scene {
  background: var(--moon-white);
  border: 1px solid var(--paper-dark);
  border-radius: 4px;
  padding: 40px;
  box-shadow: 0 2px 16px var(--shadow);
  position: relative;
}
.plot-scene::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--celadon), var(--ochre), var(--vermilion));
}
.plot-chapter {
  font-size: 12px; color: var(--ink-faint); letter-spacing: 4px;
  margin-bottom: 12px;
}
.plot-scene-title {
  font-size: 22px; color: var(--ink-black); letter-spacing: 3px;
  margin-bottom: 24px; font-weight: 500;
}
.plot-text {
  font-size: 15px; color: var(--ink-deep); line-height: 2;
  letter-spacing: 1px; margin-bottom: 20px;
  text-indent: 2em;
}
.plot-quote {
  border-left: 3px solid var(--ochre);
  padding: 12px 20px; margin: 20px 0;
  background: var(--paper-warm);
  font-size: 14px; color: var(--ink-mid);
  font-style: italic; letter-spacing: 1px;
}
.plot-choices {
  margin-top: 32px;
  display: flex; flex-direction: column; gap: 12px;
}
.plot-choice {
  padding: 14px 20px;
  border: 1px solid var(--paper-dark);
  background: var(--paper);
  cursor: pointer; transition: all 0.25s;
  font-size: 14px; color: var(--ink-deep);
  letter-spacing: 1px; border-radius: 2px;
  text-align: left; font-family: inherit;
}
.plot-choice:hover {
  border-color: var(--vermilion);
  background: var(--paper-warm);
  padding-left: 28px;
}
.plot-progress {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 24px;
}
.plot-progress-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--paper-dark);
}
.plot-progress-dot.done { background: var(--celadon-deep); }
.plot-progress-dot.current { background: var(--vermilion); box-shadow: 0 0 0 3px rgba(139,46,31,0.15); }
.plot-actions {
  display: flex; justify-content: space-between; margin-top: 32px;
}

/* ===== 人物故事 ===== */
.people-tabs {
  display: flex; justify-content: center; gap: 0;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--paper-dark);
}
.people-tab {
  padding: 12px 36px;
  font-size: 16px; letter-spacing: 4px;
  color: var(--ink-light); cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  font-family: inherit; background: none;
}
.people-tab.active {
  color: var(--ink-black);
  border-bottom-color: var(--vermilion);
}
.people-tab:hover { color: var(--ink-deep); }

.people-stories {
  display: grid; gap: 20px;
}
.story-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  cursor: pointer;
}
.story-card .story-stage {
  display: flex; flex-direction: column; align-items: center;
  padding-top: 8px;
}
.story-card .story-age {
  font-size: 13px; color: var(--ink-light); letter-spacing: 1px;
  margin-bottom: 4px;
}
.story-card .story-period {
  font-size: 11px; color: var(--ink-faint);
}
.story-card .story-body h3 {
  font-size: 18px; color: var(--ink-black); letter-spacing: 2px;
  margin-bottom: 8px; font-weight: 500;
}
.story-card .story-body p {
  font-size: 14px; color: var(--ink-mid); line-height: 1.8;
}
.story-card .story-body .story-meta {
  margin-top: 10px;
  font-size: 12px; color: var(--ink-faint);
}

/* 故事详情 */
.story-detail {
  max-width: 720px; margin: 0 auto;
}
.story-detail h2 {
  font-size: 26px; letter-spacing: 4px; color: var(--ink-black);
  margin-bottom: 8px; font-weight: 500;
}
.story-detail .story-detail-meta {
  font-size: 13px; color: var(--ink-light); letter-spacing: 2px;
  margin-bottom: 32px; padding-bottom: 16px;
  border-bottom: 1px solid var(--paper-dark);
}
.story-detail .story-detail-body {
  font-size: 15px; line-height: 2.1; color: var(--ink-deep);
  letter-spacing: 0.5px;
}
.story-detail .story-detail-body p {
  margin-bottom: 20px; text-indent: 2em;
}
.story-detail-actions {
  margin-top: 40px; padding-top: 24px;
  border-top: 1px solid var(--paper-dark);
  display: flex; gap: 12px;
}

/* ===== 文脉探索 ===== */
.culture-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
}
.culture-sidebar {
  border-right: 1px solid var(--paper-dark);
  padding-right: 20px;
}
.culture-nav-item {
  padding: 12px 16px;
  cursor: pointer; font-size: 14px;
  letter-spacing: 2px; color: var(--ink-mid);
  border-radius: 2px; transition: all 0.2s;
  margin-bottom: 4px;
}
.culture-nav-item:hover { background: var(--paper-warm); }
.culture-nav-item.active {
  background: var(--ink-black); color: var(--moon-white);
}
.culture-search {
  width: 100%; padding: 10px 14px;
  border: 1px solid var(--paper-dark);
  background: var(--moon-white);
  font-family: inherit; font-size: 14px;
  border-radius: 2px; margin-bottom: 20px;
  color: var(--ink-deep);
}
.culture-search:focus { outline: none; border-color: var(--celadon); }

.poem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.poem-card {
  cursor: pointer; position: relative;
}
.poem-card .poem-rhyme {
  position: absolute; top: 16px; right: 16px;
  font-size: 11px; color: var(--ink-faint);
}
.poem-card h3 {
  font-size: 17px; color: var(--ink-black); letter-spacing: 2px;
  margin-bottom: 4px; font-weight: 500;
}
.poem-card .poem-author {
  font-size: 12px; color: var(--ink-light); margin-bottom: 14px;
}
.poem-card .poem-preview {
  font-size: 13px; color: var(--ink-mid); line-height: 1.8;
  letter-spacing: 1px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden;
}
.poem-card .poem-tags { margin-top: 12px; }

/* 词作详情 */
.poem-detail {
  max-width: 680px; margin: 0 auto;
}
.poem-detail .pd-title {
  font-size: 28px; letter-spacing: 4px; color: var(--ink-black);
  text-align: center; margin-bottom: 4px; font-weight: 500;
}
.poem-detail .pd-author {
  text-align: center; font-size: 14px; color: var(--ink-light);
  letter-spacing: 3px; margin-bottom: 32px;
}
.poem-detail .pd-text {
  text-align: center; font-size: 17px; line-height: 2.4;
  color: var(--ink-deep); letter-spacing: 2px;
  padding: 32px; background: var(--paper-warm);
  border-radius: 4px; margin-bottom: 32px;
  border: 1px solid var(--paper-dark);
}
.poem-detail .pd-section {
  margin-bottom: 28px;
}
.poem-detail .pd-section h3 {
  font-size: 15px; color: var(--celadon-deep); letter-spacing: 3px;
  margin-bottom: 10px; padding-bottom: 6px;
  border-bottom: 1px solid var(--paper-dark);
}
.poem-detail .pd-section p, .poem-detail .pd-section li {
  font-size: 14px; color: var(--ink-mid); line-height: 1.9;
}
.poem-detail .pd-section ul { padding-left: 20px; }
.poem-detail .pd-actions {
  display: flex; gap: 12px; justify-content: center; margin-top: 32px;
}

/* 典故列表 */
.allusion-list {
  display: grid; gap: 16px;
}
.allusion-item {
  padding: 20px 24px;
  background: var(--moon-white);
  border: 1px solid var(--paper-dark);
  border-radius: 4px; cursor: pointer;
  transition: all 0.2s;
}
.allusion-item:hover { border-color: var(--ochre); box-shadow: 0 2px 12px var(--shadow); }
.allusion-item h3 {
  font-size: 16px; color: var(--ink-black); letter-spacing: 2px;
  margin-bottom: 6px;
}
.allusion-item p {
  font-size: 13px; color: var(--ink-mid); line-height: 1.7;
}

/* ===== 收藏页 ===== */
.fav-tabs {
  display: flex; gap: 0; margin-bottom: 32px;
  border-bottom: 1px solid var(--paper-dark);
}
.fav-tab {
  padding: 10px 24px; font-size: 14px; letter-spacing: 2px;
  color: var(--ink-light); cursor: pointer;
  border-bottom: 2px solid transparent;
  background: none; font-family: inherit;
}
.fav-tab.active { color: var(--ink-black); border-bottom-color: var(--vermilion); }
.empty-state {
  text-align: center; padding: 80px 20px;
  color: var(--ink-faint); font-size: 14px; letter-spacing: 2px;
}

/* ===== 弹窗 ===== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(26, 22, 18, 0.5);
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(4px);
}
.modal-box {
  background: var(--paper-warm);
  border: 1px solid var(--paper-dark);
  border-radius: 4px; padding: 40px;
  max-width: 600px; width: 90%;
  max-height: 80vh; overflow-y: auto;
  position: relative;
  box-shadow: 0 8px 40px rgba(26,22,18,0.2);
}
.modal-close {
  position: absolute; top: 16px; right: 20px;
  background: none; border: none; font-size: 18px;
  color: var(--ink-light); cursor: pointer;
}
.modal-close:hover { color: var(--vermilion); }

/* ===== Toast ===== */
.toast {
  position: fixed; bottom: 40px; left: 50%;
  transform: translateX(-50%);
  background: var(--ink-black);
  color: var(--moon-white);
  border: 1px solid var(--ink-deep);
  padding: 12px 28px; border-radius: 2px;
  font-size: 14px; letter-spacing: 2px;
  z-index: 300; box-shadow: 0 4px 20px rgba(26,22,18,0.3);
  animation: toastIn 0.3s;
}
@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, 10px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* 剧情场景过渡 */
@keyframes sceneFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.plot-scene {
  animation: sceneFadeIn 0.5s ease-out;
}
.plot-quote {
  cursor: pointer;
  transition: background 0.2s;
}
.plot-quote:hover {
  background: rgba(196, 154, 92, 0.12);
}

.poem-related {
  padding: 10px 16px;
  background: var(--paper-warm);
  border: 1px solid var(--paper-dark);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}
.poem-related:hover {
  background: rgba(122, 158, 156, 0.08);
  border-color: var(--celadon);
}

/* ===== 笔记区域 ===== */
.note-area {
  width: 100%; min-height: 80px;
  padding: 12px 16px; margin-top: 12px;
  border: 1px solid var(--paper-dark);
  background: var(--moon-white);
  font-family: inherit; font-size: 13px;
  border-radius: 2px; resize: vertical;
  color: var(--ink-deep); line-height: 1.7;
}
.note-area:focus { outline: none; border-color: var(--celadon); }

/* ===== 响应式（桌面优先，简单适配） ===== */
@media (max-width: 900px) {
  .space-layout, .culture-layout { grid-template-columns: 1fr; }
  .space-list, .culture-sidebar { border-right: none; border-bottom: 1px solid var(--paper-dark); padding-right: 0; padding-bottom: 16px; margin-bottom: 24px; max-height: none; }
  .timeline-line { left: 20px; }
  .timeline-item, .timeline-item:nth-child(even) { flex-direction: row; padding-left: 48px; }
  .timeline-item .tl-content { width: 100%; }
  .timeline-item .tl-dot { left: 20px; }
  .hero-title { font-size: 48px; letter-spacing: 16px; }
  .topnav { gap: 16px; }
  .topnav a { font-size: 12px; letter-spacing: 1px; }
  .container { padding: 24px 16px; }
  .plot-container { padding: 0 8px; }
  .plot-scene { padding: 24px 20px; }
  .modal-box { padding: 24px 20px; width: 95%; }
  .poem-grid { grid-template-columns: 1fr; }
  .people-tab { padding: 10px 20px; font-size: 14px; }
  .story-card { grid-template-columns: 80px 1fr; gap: 16px; }
  .page-title { font-size: 24px; letter-spacing: 6px; }
  .brand-title { font-size: 16px; letter-spacing: 4px; }
  .brand-seal { width: 30px; height: 30px; font-size: 12px; }
  .timeline-filters { flex-wrap: wrap; gap: 8px; }
  .fav-tabs { flex-wrap: wrap; }
}

@media (max-width: 1300px) {
  .side-verse { display: none; }
}

@media (max-width: 600px) {
  .hero-title { font-size: 36px; letter-spacing: 12px; }
  .hero-poem { font-size: 13px; }
  .topnav { gap: 10px; }
  .topnav a { font-size: 11px; }
  .topbar-inner { padding: 10px 16px; }
  .plot-choice { font-size: 13px; padding: 12px 14px; }
  .poem-detail .pd-text { font-size: 15px; padding: 20px 16px; }
}