/* === Trust Hero & Progressive Disclosure === */
.trust-hero {
  text-align: center;
  padding: 48px 0 24px;
}
.trust-hero h1 {
  font-size: 1.3rem;
  color: var(--text-light);
  margin: 0 0 4px;
  font-weight: 400;
  letter-spacing: 0.04em;
}
.trust-big-word {
  font-family: var(--font-heading);
  font-size: 4.5rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1.1;
  margin: 0 0 12px;
  letter-spacing: 0.08em;
}
.trust-subline1 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  max-width: 480px;
  margin: 0 auto 4px;
  line-height: 1.5;
}
.trust-subline2 {
  font-size: 0.95rem;
  color: var(--text-light);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.8;
  text-wrap: balance;
}

.trust-stack {
  max-width: 560px;
  margin: 28px auto;
}
.trust-stack details {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 8px 0;
  box-shadow: var(--shadow);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.trust-stack details[open] {
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
}
.trust-stack summary {
  padding: 16px 20px;
  font-family: var(--font-heading);
  font-size: 1.02rem;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  user-select: none;
  color: var(--text);
}
.trust-stack summary::-webkit-details-marker { display: none; }
.trust-stack summary::marker { display: none; content: none; }
.trust-stack .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}
.trust-stack summary::after {
  content: 'v';
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--text-light);
  transition: transform 0.2s;
}
.trust-stack details[open] summary::after {
  content: '^';
}
.trust-content {
  padding: 0 20px 20px 58px;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--text);
}
.trust-content p { margin: 8px 0; }
.trust-source {
  font-size: 0.8rem;
  color: var(--text-light);
  font-style: italic;
  margin-top: 12px;
  padding-top: 8px;
  border-top: 1px solid var(--border-light);
}

.trust-cta {
  text-align: center;
  margin: 24px 0 0;
}
.btn-trust {
  display: inline-block;
  padding: 12px 28px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 700;
  border-bottom: none;
  font-size: 0.95rem;
  transition: background 0.2s;
  text-decoration: none;
}
.btn-trust:hover {
  background: var(--accent-hover);
  border-bottom: none;
  color: #fff;
}

.trust-divider {
  border: none;
  border-top: 2px solid var(--border);
  margin: 36px auto 8px;
  max-width: 560px;
}

/* Trust Economics page */
.trust-econ-page { max-width: 680px; margin: 0 auto; }
.trust-econ-page h1 { text-align: center; font-size: 2rem; margin: 32px 0 8px; }
.trust-econ-page .econ-subtitle { text-align: center; color: var(--text-light); font-size: 0.95rem; margin-bottom: 32px; }
.trust-econ-page h2 { font-size: 1.25rem; margin-top: 36px; }
.trust-econ-page h3 { font-size: 1.1rem; margin-top: 24px; }
.trust-econ-page .highlight-box {
  background: var(--card);
  border-left: 3px solid var(--accent);
  padding: 16px 20px;
  margin: 20px 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}
/* === 市场很大也很小 === */
.market-size {
  max-width: 680px;
  margin: 32px auto;
  padding: 0 16px;
}
.market-size .section-title {
  text-align: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
  color: var(--text);
}
.market-size-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
.market-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.market-card-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 900;
  margin-bottom: 10px;
  padding: 2px 12px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}
.market-big .market-card-label {
  background: #e8f5e9;
  color: #2e7d32;
}
.market-small .market-card-label {
  background: #fff3e0;
  color: #e65100;
}
.market-card p {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text);
  margin: 6px 0;
}
.market-card p strong {
  color: var(--accent);
}
.market-now {
  grid-column: 1 / -1;
  border-color: var(--accent);
  border-width: 2px;
}
.market-now .market-card-label {
  background: var(--accent);
  color: #fff;
}
.market-punchline {
  font-size: 1.05rem !important;
  text-align: center;
  margin-top: 12px !important;
  padding-top: 10px;
  border-top: 1px solid var(--border-light);
}
.market-punchline strong {
  font-size: 1.15rem;
}
.market-conclusion {
  text-align: center;
  max-width: 560px;
  margin: 28px auto 0;
  padding: 20px 24px;
  border-top: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
}
.market-conclusion p {
  font-size: 1rem;
  color: var(--text);
  line-height: 1.85;
  margin: 0;
}
.market-finale {
  margin-top: 8px !important;
  font-size: 1.05rem !important;
}
.market-finale strong {
  color: var(--accent);
}

@media (max-width: 480px) {
  .trust-big-word { font-size: 3rem; }
  .trust-content { padding: 0 16px 16px 16px; }
  .trust-stack summary { padding: 14px 16px; font-size: 0.95rem; }
  .market-size-grid { grid-template-columns: 1fr; }
  .market-now { grid-column: 1; }
  .market-size .section-title { font-size: 1.3rem; }
}