/* FAQ — shadcn-style accordion card (static HTML adaptation) */

/* 独立 FAQ 页：全宽、宽松排版 */
.faq-page main.faq-main {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0 0 clamp(72px, 10vw, 120px);
  box-sizing: border-box;
}

.faq-page .faq-section {
  width: 100%;
  min-height: calc(100dvh - var(--nav-offset, 60px));
  padding: clamp(56px, 8vw, 112px) clamp(28px, 6vw, 80px);
  box-sizing: border-box;
}

.faq-page .faq-container {
  width: 100%;
  max-width: min(1120px, 100%);
  margin: 0 auto;
  padding: clamp(16px, 2vw, 28px) 0 0;
}

.faq-page .faq-heading {
  font-size: clamp(28px, 3.2vw, 44px);
}

.faq-page .faq-subheading {
  margin-top: clamp(18px, 2.5vw, 28px);
  font-size: clamp(17px, 2.2vw, 20px);
  line-height: 1.65;
  max-width: 52em;
}

.faq-page .faq-content {
  margin-top: clamp(56px, 7vw, 88px);
}

.faq-page .faq-accordion-card {
  padding: clamp(16px, 2.5vw, 24px) clamp(36px, 5vw, 56px);
  border-radius: 22px;
}

.faq-page .faq-trigger {
  padding: clamp(18px, 2.5vw, 24px) 0;
  font-size: clamp(16px, 1.8vw, 18px);
}

.faq-page .faq-item-content {
  padding-bottom: clamp(20px, 3vw, 28px);
}

.faq-page .faq-body,
.faq-page .faq-lead {
  font-size: clamp(16px, 1.8vw, 18px);
  line-height: 1.75;
}

.faq-page .faq-body + .faq-body,
.faq-page .faq-body + .faq-lead,
.faq-page .faq-lead + .faq-body {
  margin-top: 16px;
}

.faq-page .faq-lead {
  margin-top: 18px;
}

.faq-page .faq-support {
  margin: clamp(32px, 4vw, 48px) 0 clamp(28px, 3.5vw, 48px);
  font-size: clamp(15px, 1.6vw, 17px);
}

.faq-section.section {
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.faq-section {
  position: relative;
  padding: clamp(64px, 8vw, 96px) 0;
  background: transparent;
}

.faq-container {
  width: min(72rem, 100%);
  margin: 0 auto;
  padding: clamp(24px, 3vw, 40px) clamp(16px, 3vw, 32px) 0;
  box-sizing: border-box;
}

.faq-heading {
  margin: 0;
  font-size: clamp(28px, 3.2vw, 44px);
  font-weight: 700;
  letter-spacing: 0;
  color: var(--text);
  text-align: left;
}

.faq-subheading {
  margin: 16px 0 0;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.55;
  color: var(--muted);
  text-wrap: balance;
}

.faq-content {
  margin-top: clamp(48px, 6vw, 64px);
}

.faq-accordion-card {
  width: 100%;
  border-radius: 20px;
  border: 1px solid rgba(var(--glow), 0.12);
  background: linear-gradient(180deg, rgba(var(--glow), 0.1), rgba(15, 15, 15, 0.04));
  box-shadow:
    0 0 0 1px rgba(var(--glow), 0.06),
    0 12px 40px rgba(0, 0, 0, 0.28);
  padding: clamp(12px, 2vw, 20px) clamp(28px, 4vw, 40px);
  box-sizing: border-box;
}

.faq-item {
  border-bottom: 1px dotted rgba(var(--glow), 0.22);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-trigger {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: clamp(16px, 2vw, 20px) 0;
  font-size: clamp(16px, 1.6vw, 17px);
  font-weight: 500;
  color: var(--text);
  line-height: 1.45;
  transition: color 0.2s ease;
}

.faq-trigger::-webkit-details-marker {
  display: none;
}

.faq-trigger:hover {
  color: var(--accent);
}

.faq-trigger:focus-visible {
  outline: 2px solid rgba(var(--glow), 0.45);
  outline-offset: 4px;
  border-radius: 6px;
}

.faq-trigger-text {
  flex: 1 1 auto;
  min-width: 0;
  overflow-wrap: break-word;
}

.faq-trigger-icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  position: relative;
  opacity: 0.75;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.faq-trigger-icon::before,
.faq-trigger-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 1.5px;
  background: currentColor;
  border-radius: 1px;
  transform: translate(-50%, -50%);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.faq-trigger-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item[open] .faq-trigger-icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg) scale(0.6);
}

.faq-item-content {
  overflow: hidden;
  padding-bottom: clamp(16px, 2.5vw, 24px);
  animation: faqContentIn 0.25s ease;
}

@keyframes faqContentIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.faq-body,
.faq-lead {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: clamp(16px, 1.6vw, 17px);
}

.faq-body + .faq-body,
.faq-body + .faq-lead,
.faq-lead + .faq-body {
  margin-top: 12px;
}

.faq-lead {
  font-weight: 600;
  color: var(--text);
  margin-top: 14px;
}

.faq-lead:first-child {
  margin-top: 0;
}

.faq-support {
  margin: clamp(28px, 4vw, 40px) 0 clamp(28px, 3.5vw, 48px);
  font-size: clamp(15px, 1.5vw, 16px);
  line-height: 1.55;
  color: var(--muted);
}

#faq.faq-section {
  padding-bottom: clamp(20px, 2.5vw, 32px);
}

.faq-page main.faq-main + .site-footer {
  margin-top: clamp(16px, 2vw, 24px);
}

.faq-support-link {
  color: var(--accent);
  font-weight: 500;
  text-decoration: none;
}

.faq-support-link:hover {
  color: #fff;
  text-decoration: underline;
}

@media (max-width: 720px) {
  .faq-page .faq-section {
    padding: clamp(40px, 10vw, 56px) clamp(20px, 5vw, 28px);
  }

  .faq-accordion-card {
    padding: 12px clamp(20px, 5vw, 24px);
  }

  .faq-page .faq-accordion-card {
    padding: 12px clamp(20px, 5vw, 28px);
  }

  .faq-content {
    margin-top: 40px;
  }
}