/* =========================================================
   article-mg.css — 《金钱游戏》式文章页共享样式
   抽自 articles/money-game.html 的内联 <style>，供其余阅读心得页链接，
   保证与《金钱游戏》原样像素级一致。
   ========================================================= */

:root {
  --color-bg: #f8f6f0;
  --color-dark: #1a1a1a;
  --color-gold: #c9a227;
  --color-gold-light: #e3c96d;
  --color-text: #2c2c2a;
  --color-text-muted: #5f5e5a;
  --color-card: #ffffff;
  --color-red: #8b2635;
  --color-green: #2d5a4a;
  --color-border: rgba(0,0,0,0.08);
  --radius: 12px;
  --shadow: 0 8px 30px rgba(0,0,0,0.08);
  --shadow-hover: 0 16px 45px rgba(0,0,0,0.12);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', 'STSong', Georgia, serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  overflow-x: hidden;
}

/* Blog top nav */
nav.blog-nav {
  position: fixed;
  top: 0; left: 0; width: 100%;
  z-index: 100;
  padding: 1rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}
nav.blog-nav .logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 0.05em;
  text-decoration: none;
}
nav.blog-nav .logo span { color: rgba(255,255,255,0.5); font-weight: 400; font-size: 0.85rem; }
nav.blog-nav ul { display: flex; list-style: none; gap: 1.75rem; }
nav.blog-nav a.link {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.2s;
}
nav.blog-nav a.link:hover { color: var(--color-gold-light); }
nav.blog-nav .back-home {
  color: var(--color-gold);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--color-gold);
  border-radius: 20px;
  transition: all 0.2s;
}
nav.blog-nav .back-home:hover { background: var(--color-gold); color: #1a1a1a; }
.mobile-menu-btn { display: none; background: none; border: none; color: var(--color-gold); font-size: 1.5rem; cursor: pointer; }

/* Breadcrumb */
.breadcrumb {
  padding: 6rem 5% 0;
  max-width: 1200px;
  margin: 0 auto;
}
.breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.85rem;
}
.breadcrumb a:hover { color: var(--color-gold); }
.breadcrumb span { color: var(--color-text-muted); font-size: 0.85rem; margin: 0 0.5rem; }
.breadcrumb .current { color: var(--color-text); }

/* Article meta */
.article-meta {
  max-width: 1200px;
  margin: 1rem auto 0;
  padding: 0 5%;
}
.article-meta .tag {
  display: inline-block;
  background: var(--color-gold);
  color: #1a1a1a;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  letter-spacing: 0.05em;
}
.article-meta .read-time {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-left: 0.75rem;
}

/* Hero */
.hero {
  min-height: 80vh;
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 4rem 5% 4rem;
  margin-top: 1.5rem;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 80%; height: 150%;
  background: radial-gradient(circle, rgba(201,162,39,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content { max-width: 900px; text-align: center; position: relative; z-index: 1; }
.hero-subtitle-top {
  color: var(--color-gold);
  font-size: 0.95rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  opacity: 0.9;
}
.hero h1 {
  font-size: clamp(3rem, 10vw, 6.5rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 0.5rem;
  letter-spacing: 0.08em;
}
.hero .tagline { font-size: clamp(1.25rem, 3vw, 2rem); color: var(--color-gold-light); margin-bottom: 1rem; font-weight: 600; }
.hero .original-title { color: rgba(255,255,255,0.55); font-style: italic; font-size: 1rem; margin-bottom: 2.5rem; letter-spacing: 0.05em; }
.hero .author { color: rgba(255,255,255,0.8); font-size: 1.1rem; margin-bottom: 2rem; }
.hero .author strong { color: var(--color-gold-light); font-weight: 700; }
.hero-quote {
  max-width: 700px;
  margin: 0 auto 2.5rem;
  padding: 1.5rem 2rem;
  border-left: 3px solid var(--color-gold);
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.85);
  font-size: 1.05rem;
  text-align: left;
  line-height: 1.9;
  border-radius: 0 8px 8px 0;
}
.hero-quote .source { display: block; margin-top: 0.75rem; color: var(--color-gold); font-size: 0.9rem; }

/* Sections */
section { padding: 5rem 5%; max-width: 1200px; margin: 0 auto; }
.section-title { text-align: center; margin-bottom: 3.5rem; }
.section-title h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.75rem;
  position: relative;
  display: inline-block;
}
.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -8px; left: 50%;
  transform: translateX(-50%);
  width: 60px; height: 3px;
  background: var(--color-gold);
}
.section-title p { color: var(--color-text-muted); font-size: 1.05rem; max-width: 600px; margin: 1.5rem auto 0; }

/* About Author */
.about-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 3rem; align-items: center; }
.author-card { background: var(--color-card); border-radius: var(--radius); padding: 2.5rem; box-shadow: var(--shadow); text-align: center; border: 1px solid var(--color-border); }
.author-avatar { width: 140px; height: 140px; border-radius: 50%; background: linear-gradient(135deg, var(--color-gold) 0%, #8b6914 100%); display: flex; align-items: center; justify-content: center; margin: 0 auto 1.5rem; font-size: 3.5rem; color: #fff; font-weight: 700; box-shadow: 0 8px 25px rgba(201,162,39,0.3); }
.author-card h3 { font-size: 1.5rem; margin-bottom: 0.5rem; color: var(--color-dark); }
.author-card .role { color: var(--color-gold); font-weight: 600; font-size: 0.95rem; margin-bottom: 1.5rem; }
.author-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.5rem; }
.stat-item { padding: 1rem; background: var(--color-bg); border-radius: 8px; }
.stat-item .number { font-size: 1.5rem; font-weight: 700; color: var(--color-dark); display: block; }
.stat-item .label { font-size: 0.8rem; color: var(--color-text-muted); }
.about-text h3 { font-size: 1.8rem; margin-bottom: 1.5rem; color: var(--color-dark); }
.about-text p { margin-bottom: 1.25rem; color: var(--color-text); font-size: 1.05rem; }
.about-text .highlight { color: var(--color-gold); font-weight: 700; }

/* Core Ideas */
.ideas-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; }
.idea-card { background: var(--color-card); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); border: 1px solid var(--color-border); transition: transform 0.3s, box-shadow 0.3s; position: relative; overflow: hidden; }
.idea-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.idea-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: var(--color-gold); }
.idea-icon { font-size: 2rem; margin-bottom: 1rem; color: var(--color-gold); font-weight: 700; }
.idea-card h3 { font-size: 1.25rem; margin-bottom: 0.75rem; color: var(--color-dark); }
.idea-card p { color: var(--color-text-muted); font-size: 0.95rem; line-height: 1.8; }

/* Diagram / Core Section (原 egg-section) */
.core-section { background: linear-gradient(180deg, var(--color-bg) 0%, #fff 100%); }
.core-container { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.core-diagram { position: relative; display: flex; justify-content: center; align-items: center; min-height: 400px; }
.core-svg { max-width: 100%; height: auto; }
.core-explanation h3 { font-size: 1.8rem; margin-bottom: 1.5rem; color: var(--color-dark); }
.core-explanation p { margin-bottom: 1.25rem; color: var(--color-text); }
.core-stages { display: flex; flex-direction: column; gap: 1rem; margin-top: 2rem; }
.core-stage { display: flex; align-items: flex-start; gap: 1rem; padding: 1rem; background: var(--color-bg); border-radius: 8px; }
.core-stage .stage-dot { width: 16px; height: 16px; border-radius: 50%; flex-shrink: 0; margin-top: 0.4rem; }
.core-stage .stage-content h4 { font-size: 1.05rem; margin-bottom: 0.25rem; color: var(--color-dark); }
.core-stage .stage-content p { font-size: 0.9rem; color: var(--color-text-muted); margin: 0; }

/* Chapters */
.chapters-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.25rem; }
.chapter-card { background: var(--color-card); border-radius: var(--radius); padding: 1.75rem; box-shadow: var(--shadow); border: 1px solid var(--color-border); transition: transform 0.3s, box-shadow 0.3s; }
.chapter-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.chapter-number { display: inline-flex; width: 36px; height: 36px; border-radius: 50%; background: var(--color-dark); color: var(--color-gold-light); align-items: center; justify-content: center; font-weight: 700; font-size: 0.85rem; margin-bottom: 1rem; }
.chapter-card h3 { font-size: 1.15rem; margin-bottom: 0.75rem; color: var(--color-dark); }
.chapter-card ul { list-style: none; padding: 0; }
.chapter-card li { font-size: 0.85rem; color: var(--color-text-muted); padding: 0.35rem 0; border-bottom: 1px dashed var(--color-border); }
.chapter-card li:last-child { border-bottom: none; }

/* Quotes */
.quotes-section { background: var(--color-dark); color: #fff; position: relative; }
.quotes-section .section-title h2 { color: #fff; }
.quotes-section .section-title h2::after { background: var(--color-gold); }
.quotes-section .section-title p { color: rgba(255,255,255,0.6); }
.quotes-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; }
.quote-card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius); padding: 2rem; position: relative; transition: transform 0.3s, background 0.3s; }
.quote-card:hover { background: rgba(255,255,255,0.08); transform: translateY(-4px); }
.quote-mark { font-size: 4rem; color: var(--color-gold); line-height: 1; margin-bottom: 0.5rem; font-family: Georgia, serif; }
.quote-text { font-size: 1.05rem; line-height: 1.9; color: rgba(255,255,255,0.9); margin-bottom: 1rem; }
.quote-source { color: var(--color-gold-light); font-size: 0.9rem; font-weight: 600; }

/* For Whom */
.for-whom-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }
.for-whom-card { background: var(--color-card); border-radius: var(--radius); padding: 2rem; text-align: center; box-shadow: var(--shadow); border: 1px solid var(--color-border); transition: transform 0.3s; }
.for-whom-card:hover { transform: translateY(-4px); }
.for-whom-icon { width: 60px; height: 60px; border-radius: 50%; background: var(--color-bg); display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; font-size: 1.5rem; color: var(--color-gold); font-weight: 700; }
.for-whom-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; color: var(--color-dark); }
.for-whom-card p { font-size: 0.9rem; color: var(--color-text-muted); }

/* Ben's takeaway */
.takeaway {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 3rem;
  max-width: 800px;
  margin: 4rem auto;
  box-shadow: var(--shadow);
  position: relative;
}
.takeaway::before { content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%; background: var(--color-gold); border-radius: var(--radius) 0 0 var(--radius); }
.takeaway .label { color: var(--color-gold); font-size: 0.85rem; letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 1rem; }
.takeaway h3 { font-size: 1.6rem; margin-bottom: 1.25rem; color: #fff; }
.takeaway p { color: rgba(255,255,255,0.85); margin-bottom: 1rem; line-height: 1.9; }
.takeaway .sign { color: var(--color-gold-light); font-style: italic; margin-top: 1.5rem; }

/* Comments (与 comments.css 协同) */
.comments-section { max-width: 800px; margin: 0 auto; padding: 3rem 5%; }

/* Footer */
footer { background: var(--color-dark); color: rgba(255,255,255,0.7); text-align: center; padding: 3rem 5%; font-size: 0.9rem; }
footer a { color: var(--color-gold); text-decoration: none; }
footer .book-title { color: #fff; font-size: 1.2rem; font-weight: 700; margin-bottom: 0.5rem; }
footer .back-link { display: inline-block; margin-top: 1rem; padding: 0.5rem 1.5rem; border: 1px solid var(--color-gold); border-radius: 24px; color: var(--color-gold); font-weight: 600; transition: all 0.2s; }
footer .back-link:hover { background: var(--color-gold); color: #1a1a1a; }

/* Ben's cards（观点 / 看法 全卡片化）
   —— 绿色顶边 = 书里说的内容；金色顶边 = Ben 自己的看法 */
.ben-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.ben-card { background: var(--color-card); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); border: 1px solid var(--color-border); position: relative; overflow: hidden; transition: transform 0.3s, box-shadow 0.3s; }
.ben-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: var(--color-gold); }
.ben-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.ben-card h4 { font-size: 1.1rem; margin-bottom: 0.75rem; color: var(--color-dark); line-height: 1.5; }
.ben-card p { color: var(--color-text); font-size: 0.98rem; line-height: 1.85; margin: 0; }
.ben-card p + p { margin-top: 0.75rem; }

.pt-card { background: var(--color-card); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); border: 1px solid var(--color-border); position: relative; overflow: hidden; transition: transform 0.3s, box-shadow 0.3s; }
.pt-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: var(--color-green); }
.pt-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.pt-card h4 { font-size: 1.1rem; margin-bottom: 0.75rem; color: var(--color-dark); line-height: 1.5; }
.pt-card p { color: var(--color-text); font-size: 0.98rem; line-height: 1.85; margin: 0; }

.about-card { background: var(--color-card); border-radius: var(--radius); padding: 2.5rem; box-shadow: var(--shadow); border: 1px solid var(--color-border); position: relative; overflow: hidden; }
.about-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: var(--color-gold); }

/* Flow / 流程 —— 把信义翻译成一串动作 */
.flow-track { position: relative; margin-top: 2.5rem; padding-left: 2.5rem; }
.flow-track::before { content: ''; position: absolute; left: 1.1rem; top: 0.6rem; bottom: 0.6rem; width: 2px; background: linear-gradient(180deg, var(--color-gold) 0%, var(--color-green) 100%); opacity: 0.55; }
.flow-step { position: relative; background: var(--color-card); border-radius: var(--radius); padding: 1.4rem 1.6rem; box-shadow: var(--shadow); border: 1px solid var(--color-border); margin-bottom: 1.4rem; transition: transform 0.3s, box-shadow 0.3s; }
.flow-step:last-child { margin-bottom: 0; }
.flow-step:hover { transform: translateX(6px); box-shadow: var(--shadow-hover); }
.flow-step .flow-num { position: absolute; left: -2.5rem; top: 1.25rem; width: 2.2rem; height: 2.2rem; border-radius: 50%; background: linear-gradient(135deg, var(--color-gold) 0%, #8b6914 100%); color: #fff; font-weight: 700; font-size: 1.05rem; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 12px rgba(201,162,39,0.35); }
.flow-step h4 { font-size: 1.08rem; margin: 0 0 0.5rem; color: var(--color-dark); line-height: 1.5; }
.flow-step p { color: var(--color-text); font-size: 0.96rem; line-height: 1.8; margin: 0; }
.flow-step .flow-tag { display: inline-block; margin-top: 0.7rem; font-size: 0.8rem; color: var(--color-green); background: rgba(45,90,74,0.08); border-radius: 6px; padding: 0.2rem 0.6rem; }

/* Reveal Animation */
.js .reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.active { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 900px) {
  .about-grid, .core-container { grid-template-columns: 1fr; gap: 2rem; }
  .core-diagram { min-height: 320px; }
}
@media (max-width: 768px) {
  nav.blog-nav ul { display: none; }
  .mobile-menu-btn { display: block; }
  .hero h1 { font-size: 2.8rem; }
  .hero-quote { padding: 1.25rem; font-size: 0.95rem; }
  section { padding: 3.5rem 5%; }
  .author-stats { grid-template-columns: 1fr; }
  .takeaway { padding: 2rem 1.5rem; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 2.2rem; }
  .ideas-grid, .chapters-grid, .quotes-grid { grid-template-columns: 1fr; }
}