/* 天道·二〇二六 - 阅读站样式 v2 */
:root {
  --bg: #f5f0e8;
  --text: #2c2c2c;
  --text-soft: #444;
  --accent: #8b4513;
  --accent-light: rgba(139, 69, 19, 0.08);
  --muted: #999;
  --border: #d4c9b5;
  --border-light: #e8e0d0;
  --hover: #a0522d;
  --selection: rgba(139, 69, 19, 0.2);
  --max-width: 740px;
}

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

::selection {
  background: var(--selection);
  color: var(--text);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", "Songti SC", Georgia, serif;
  background: var(--bg);
  color: var(--text);
  line-height: 2.0;
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* 阅读进度条 */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  z-index: 100;
  transition: width 0.1s;
  opacity: 0.6;
}

/* ===== 首页 ===== */
.landing {
  max-width: 680px;
  margin: 100px auto;
  padding: 0 48px;
}

.landing h1 {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: 8px;
  margin-bottom: 8px;
  color: var(--accent);
}

.landing .subtitle {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 56px;
  letter-spacing: 3px;
}

.landing .intro {
  font-size: 15px;
  color: #666;
  margin-bottom: 48px;
  line-height: 2.0;
}

.landing .intro p {
  text-indent: 0;
  margin-bottom: 12px;
}

.chapter-list {
  list-style: none;
}

.chapter-list li {
  border-bottom: 1px solid var(--border-light);
  padding: 20px 0;
  transition: padding 0.2s;
}

.chapter-list li:last-child {
  border-bottom: none;
}

.chapter-list li:hover {
  padding-left: 8px;
}

.chapter-list a {
  text-decoration: none;
  color: var(--text);
  display: block;
  transition: color 0.2s;
}

.chapter-list a:hover {
  color: var(--hover);
}

.chapter-list .num {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.chapter-list .title {
  font-size: 20px;
  margin-top: 4px;
  letter-spacing: 1px;
}

.chapter-list .wordcount {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

/* ===== 阅读页 ===== */
.reader {
  max-width: var(--max-width);
  margin: 0 auto 100px;
  padding: 0 48px;
}

/* 章节头部 */
.reader .header {
  text-align: center;
  padding: 64px 0 48px;
  margin-bottom: 48px;
  position: relative;
}

.reader .header::after {
  content: "";
  display: block;
  width: 60px;
  height: 1px;
  background: var(--border);
  margin: 32px auto 0;
}

.reader .header h1 {
  font-size: 28px;
  font-weight: 400;
  letter-spacing: 6px;
  color: var(--accent);
  margin-bottom: 6px;
}

.reader .header .chapter-num {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--muted);
  margin-top: 12px;
}

.reader .header .back-link {
  display: inline-block;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  margin-top: 16px;
  padding: 4px 16px;
  border: 1px solid var(--border-light);
  border-radius: 20px;
  transition: all 0.2s;
}

.reader .header .back-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-light);
}

/* 场景 */
.reader .scene {
  margin-bottom: 40px;
  padding-top: 8px;
}

.reader .scene:first-of-type {
  padding-top: 0;
}

.reader .scene h2 {
  font-size: 14px;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 2px;
  margin-bottom: 20px;
  text-align: center;
  position: relative;
}

.reader .scene h2::before,
.reader .scene h2::after {
  content: "· · ·";
  display: inline-block;
  font-size: 10px;
  letter-spacing: 4px;
  color: var(--border);
  margin: 0 16px;
  vertical-align: middle;
}

/* 段落 */
.reader .scene p {
  text-indent: 2em;
  margin-bottom: 0;
  letter-spacing: 0.02em;
  word-break: break-word;
}

.reader .scene p + p {
  margin-top: 0;
}

/* 强调 */
.reader .scene strong {
  color: var(--accent);
  font-weight: 600;
}

/* 引用 */
.reader .scene blockquote {
  margin: 24px 0;
  padding: 16px 0 16px 24px;
  border-left: 2px solid var(--accent);
  background: transparent;
  color: var(--text-soft);
}

.reader .scene blockquote p {
  text-indent: 0;
  font-style: normal;
}

.reader .scene blockquote p + p {
  margin-top: 8px;
}

/* 分隔线 */
.reader .scene hr {
  border: none;
  height: 1px;
  background: var(--border-light);
  margin: 48px auto;
  width: 40%;
}

/* ===== 导航 ===== */
.nav {
  margin-top: 64px;
  padding: 32px 0 0;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.nav a {
  color: var(--accent);
  text-decoration: none;
  font-size: 15px;
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: all 0.2s;
  letter-spacing: 1px;
}

.nav a:hover {
  color: var(--hover);
  border-color: var(--hover);
  background: var(--accent-light);
}

.nav .disabled {
  color: var(--border-light);
  cursor: default;
  padding: 8px 20px;
  font-size: 15px;
  letter-spacing: 1px;
}

/* ===== 页脚 ===== */
.footer {
  text-align: center;
  font-size: 12px;
  color: var(--border);
  padding: 40px 0 60px;
  letter-spacing: 1px;
}

.footer p {
  text-indent: 0;
}

/* ===== 回到顶部 ===== */
.back-to-top {
  display: block;
  text-align: center;
  margin-top: 24px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 1px;
  opacity: 0.6;
  transition: all 0.2s;
}

.back-to-top:hover {
  opacity: 1;
  color: var(--accent);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  body {
    font-size: 17px;
    line-height: 1.95;
  }

  .reader {
    padding: 0 32px;
    margin-bottom: 60px;
  }

  .reader .header {
    padding: 40px 0 32px;
    margin-bottom: 32px;
  }

  .reader .header h1 {
    font-size: 24px;
    letter-spacing: 4px;
  }

  .reader .scene h2 {
    font-size: 13px;
  }

  .reader .scene h2::before,
  .reader .scene h2::after {
    content: "· ·";
    margin: 0 10px;
  }

  .nav {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .nav a, .nav .disabled {
    display: block;
    padding: 12px 20px;
  }

  .landing {
    margin: 60px auto;
    padding: 0 32px;
  }

  .landing h1 {
    font-size: 28px;
    letter-spacing: 6px;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
    line-height: 1.9;
  }

  .reader .header h1 {
    font-size: 20px;
  }

  .reader {
    padding: 0 24px;
  }

  .reader .scene blockquote {
    padding: 12px 0 12px 16px;
  }
}