/* ============================================
   首页专属样式
   ============================================ */

/* ---------- Hero 区 ---------- */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xxl) var(--space-md);
  overflow: hidden;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(160, 128, 67, 0.06) 0%, transparent 50%),
    var(--paper-base);
}

.hero::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(168, 52, 31, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  text-align: center;
  z-index: 1;
  max-width: 800px;
}

.hero-seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 90px;
  height: 90px;
  background: var(--vermilion);
  color: var(--paper-cream);
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: 0;
  border-radius: 4px;
  box-shadow:
    inset 0 0 0 4px var(--paper-cream),
    inset 0 0 0 6px var(--vermilion),
    var(--shadow-mid);
  transform: rotate(-2deg);
  margin-bottom: var(--space-lg);
}

.hero-title {
  font-size: var(--fs-display);
  font-weight: 700;
  color: var(--ink-deep);
  letter-spacing: 0.4em;
  margin-bottom: var(--space-md);
  text-indent: 0.4em; /* 补偿字间距 */
}

.hero-subtitle {
  display: inline-block;
  font-family: var(--font-brush);
  font-size: 1.6rem;
  color: var(--vermilion);
  letter-spacing: 0.2em;
  margin-bottom: var(--space-lg);
  position: relative;
  padding: 0 var(--space-lg);
}

.hero-subtitle::before,
.hero-subtitle::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 30px;
  height: 1px;
  background: var(--vermilion);
  opacity: 0.6;
}

.hero-subtitle::before { left: -25px; }
.hero-subtitle::after  { right: -25px; }

.hero-lead {
  font-size: 1.3rem;
  color: var(--ink-deep);
  letter-spacing: 0.3em;
  margin-bottom: var(--space-md);
  font-weight: 500;
  line-height: 2;
}

.hero-desc {
  font-size: var(--fs-body);
  color: var(--ink-light);
  letter-spacing: 0.25em;
  margin-bottom: var(--space-xl);
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 600px) {
  .hero-title { letter-spacing: 0.25em; }
  .hero-lead { letter-spacing: 0.15em; font-size: 1.1rem; }
  .hero-desc { letter-spacing: 0.12em; }
  .hero-subtitle { font-size: 1.3rem; }
}

/* ---------- 立意三章 ---------- */
.manifesto-card {
  text-align: center;
  padding: var(--space-lg);
  background: var(--paper-cream);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.manifesto-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-mid);
}

.manifesto-seal {
  width: 60px;
  height: 60px;
  background: var(--vermilion);
  color: var(--paper-cream);
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  margin-bottom: var(--space-md);
  box-shadow:
    inset 0 0 0 2.5px var(--paper-cream),
    inset 0 0 0 4px var(--vermilion);
  transform: rotate(-3deg);
}

.manifesto-card-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--ink-deep);
  letter-spacing: 0.2em;
  margin-bottom: var(--space-sm);
}

.manifesto-card-desc {
  color: var(--ink-mid);
  line-height: 1.9;
  font-size: 0.98rem;
}

/* ---------- 四总则预览 ---------- */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

@media (max-width: 600px) {
  .principles-grid { grid-template-columns: 1fr; }
}

.principle-card {
  padding: var(--space-lg);
  background: var(--paper-cream);
  border-left: 3px solid var(--vermilion);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  transition: var(--transition);
}

.principle-card:hover {
  background: var(--paper-warm);
  transform: translateX(4px);
}

.principle-num {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--vermilion);
  letter-spacing: 0;
  flex-shrink: 0;
  width: 50px;
  text-align: center;
}

.principle-text {
  flex: 1;
}

.principle-text-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink-deep);
  letter-spacing: 0.15em;
  margin-bottom: 0.3em;
}

.principle-text-hint {
  font-size: var(--fs-small);
  color: var(--ink-light);
  letter-spacing: 0.08em;
  line-height: 1.7;
}

.principles-more {
  text-align: center;
  margin-top: var(--space-xl);
}

/* ---------- 学习路径 ---------- */
.path-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

@media (max-width: 900px) {
  .path-grid { grid-template-columns: 1fr; }
}

.path-stage {
  background: var(--paper-cream);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  position: relative;
  box-shadow: var(--shadow-soft);
}

.path-stage-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--ink-deep);
  color: var(--paper-cream);
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: var(--space-sm);
}

.path-stage-name {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ink-deep);
  letter-spacing: 0.3em;
  margin-bottom: var(--space-md);
}

.path-stage-pages {
  list-style: none;
  margin-bottom: var(--space-md);
  padding: 0;
}

.path-stage-pages li {
  padding: 0.4em 0;
  border-bottom: 1px dashed rgba(61, 58, 54, 0.1);
}

.path-stage-pages li:last-child { border-bottom: none; }

.path-stage-pages a {
  color: var(--ink-mid);
  border-bottom: none;
  display: block;
  padding-left: var(--space-sm);
  position: relative;
  transition: var(--transition);
}

.path-stage-pages a::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--vermilion);
  font-weight: 700;
}

.path-stage-pages a:hover {
  color: var(--vermilion);
  padding-left: calc(var(--space-sm) + 4px);
  border-bottom: none;
}

.path-stage-desc {
  font-size: var(--fs-small);
  color: var(--ink-light);
  font-style: italic;
  letter-spacing: 0.05em;
  border-top: 1px solid rgba(61, 58, 54, 0.08);
  padding-top: var(--space-sm);
  margin-top: var(--space-sm);
}

/* ---------- 原典金句区 ---------- */
.classic-highlight {
  text-align: center;
  padding: var(--space-xxl) var(--space-md);
}

.classic-highlight-text {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--ink-deep);
  letter-spacing: 0.5em;
  line-height: 2;
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.classic-highlight-source {
  display: inline-block;
  font-size: var(--fs-small);
  color: var(--ink-light);
  letter-spacing: 0.3em;
  margin-top: var(--space-md);
}

.classic-highlight-source::before { content: "—— "; }

@media (max-width: 600px) {
  .classic-highlight-text {
    font-size: 1.3rem;
    letter-spacing: 0.25em;
  }
}