.page-faq {
  --faq-gold-soft: rgba(212, 175, 55, 0.14);
  --faq-gold-line: rgba(212, 175, 55, 0.45);
  --faq-panel-bg: rgba(255, 255, 255, 0.05);
  --faq-ink-line: rgba(10, 10, 10, 0.55);
  --faq-surface: linear-gradient(135deg, rgba(17, 69, 54, 0.72), rgba(11, 61, 46, 0.18));
  --faq-surface-flip: linear-gradient(225deg, rgba(17, 69, 54, 0.72), rgba(11, 61, 46, 0.18));
  --faq-speed: cubic-bezier(0.22, 1, 0.36, 1);
  --faq-ink-text: #E8F0EB;
  background: transparent;
}

.page-faq [id] {
  scroll-margin-top: 120px;
}

.page-faq .container {
  position: relative;
  z-index: 1;
}

/* ---------- 首屏目录与主题声明 ---------- */
.page-faq__intro {
  padding: clamp(40px, 7vw, 96px) 0 36px;
}

.page-faq__intro-grid {
  display: grid;
  gap: 36px;
  margin-top: clamp(28px, 4vw, 56px);
}

.page-faq__intro-main .lead {
  max-width: 56ch;
  margin-bottom: 0;
}

.page-faq .display-title {
  font-size: clamp(2.75rem, 8vw, 5.5rem);
  line-height: 0.96;
  letter-spacing: 0.01em;
  margin: 16px 0 20px;
}

.page-faq__title-accent {
  display: block;
  color: var(--gold);
  font-size: 0.5em;
  letter-spacing: 0.04em;
  margin-top: 10px;
}

.page-faq__intro-index {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-self: end;
}

.page-faq__quicklink {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--faq-gold-line);
  border-radius: 999px;
  background: rgba(11, 61, 46, 0.5);
  transition: background-color 0.3s var(--faq-speed), color 0.3s var(--faq-speed), border-color 0.3s var(--faq-speed), transform 0.3s var(--faq-speed);
  font-size: 0.95rem;
  font-weight: 600;
}

.page-faq__quicklink:hover {
  background: var(--faq-gold-soft);
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}

.page-faq__quicklink:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
}

.page-faq__quicklink-num {
  font-family: var(--font-num);
  font-size: 0.85em;
  color: var(--highlight);
}

/* ---------- 分类区块布局 ---------- */
.page-faq__category {
  padding: clamp(20px, 4vw, 52px) 0;
}

.page-faq__category-inner {
  position: relative;
  display: grid;
  gap: 28px;
  width: min(100%, 1240px);
  margin-right: auto;
  padding: clamp(28px, 5vw, 64px);
  background: var(--faq-surface);
  border: 1px solid rgba(31, 92, 70, 0.7);
  border-radius: 32px 8px 32px 8px;
  overflow: hidden;
}

.page-faq__category--flip .page-faq__category-inner {
  background: var(--faq-surface-flip);
  margin-left: auto;
  margin-right: 0;
}

.page-faq__category--last {
  padding-bottom: clamp(32px, 5vw, 72px);
}

/* 速度线装饰 */
.page-faq__speedlines {
  display: flex;
  gap: 8px;
  margin: 18px 0 10px;
}

.page-faq__speedlines span {
  display: block;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.page-faq__speedlines span:nth-child(1) {
  width: 128px;
}

.page-faq__speedlines span:nth-child(2) {
  width: 64px;
  opacity: 0.6;
}

.page-faq__speedlines span:nth-child(3) {
  width: 20px;
  opacity: 0.35;
}

.page-faq__category-head {
  position: relative;
}

.page-faq__category-num {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(68px, 10vw, 140px);
  line-height: 0.85;
  letter-spacing: -0.05em;
  color: rgba(212, 175, 55, 0.15);
  -webkit-text-stroke: 1px rgba(212, 175, 55, 0.28);
  user-select: none;
}

.page-faq__category-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.4vw, 2.9rem);
  line-height: 1.08;
  letter-spacing: 0.02em;
  color: var(--text);
  margin: 14px 0 10px;
}

.page-faq__category-desc {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.75;
  max-width: 34ch;
}

/* ---------- 手风琴 ---------- */
.page-faq__accordion {
  min-width: 0;
}

.faq-item {
  border-bottom: 1px solid rgba(31, 92, 70, 0.68);
}

.faq-item:first-child {
  border-top: 1px solid rgba(31, 92, 70, 0.68);
}

.faq-item__summary {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px 6px;
  cursor: pointer;
  list-style: none;
  -webkit-tap-highlight-color: transparent;
}

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

.faq-item__marker {
  flex-shrink: 0;
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-top: 2px;
  border: 1px solid var(--faq-gold-line);
  border-radius: 50%;
  color: var(--gold);
  font-family: var(--font-num);
  font-size: 18px;
  line-height: 1;
  transition: transform 0.4s var(--faq-speed), background-color 0.3s var(--faq-speed), color 0.3s var(--faq-speed);
}

.faq-item__question {
  flex: 1;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.38rem);
  font-weight: 600;
  line-height: 1.32;
  letter-spacing: 0.02em;
  color: var(--text);
  transition: color 0.3s var(--faq-speed);
}

.faq-item__summary:hover .faq-item__question {
  color: var(--gold);
}

.faq-item__summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 6px;
  border-radius: 12px;
}

details[open] .faq-item__marker {
  transform: rotate(45deg);
  background: var(--gold);
  color: var(--ink);
}

details[open] .faq-item__summary .faq-item__question {
  color: var(--gold);
}

.faq-item__panel {
  padding: 4px 4px 28px 56px;
  border-left: 3px solid var(--gold);
  border-radius: 0 16px 16px 0;
  background: var(--faq-panel-bg);
  animation: page-faq-fade-in 0.45s var(--faq-speed);
}

@keyframes page-faq-fade-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.faq-item__panel p {
  margin: 0 0 12px;
  max-width: 62ch;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.85;
}

.faq-item__panel p:last-child {
  margin-bottom: 0;
}

.faq-item__panel a,
.page-faq__contact-body a,
.page-faq__privacy-note a {
  color: var(--highlight);
  text-decoration-color: rgba(255, 215, 0, 0.5);
  text-underline-offset: 4px;
  transition: color 0.25s var(--faq-speed), text-decoration-color 0.25s var(--faq-speed);
}

.faq-item__panel a:hover,
.page-faq__contact-body a:hover,
.page-faq__privacy-note a:hover {
  color: var(--gold);
  text-decoration-color: var(--gold);
}

.faq-item__term {
  display: inline-block;
  padding: 1px 8px;
  margin: 0 2px;
  border-radius: 6px;
  background: rgba(255, 215, 0, 0.12);
  border: 1px solid rgba(255, 215, 0, 0.25);
  color: var(--highlight);
  font-weight: 600;
}

/* ---------- 账号与隐私数据安全视觉 ---------- */
.page-faq__privacy-visual {
  display: grid;
  gap: 20px;
  padding-top: 22px;
  grid-column: 1 / -1;
  border-top: 1px solid rgba(31, 92, 70, 0.55);
  align-items: center;
}

.page-faq__privacy-image-wrap {
  width: min(100%, 360px);
}

.page-faq__privacy-image-wrap img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 20px 6px 20px 6px;
  object-fit: cover;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.3);
}

.page-faq__privacy-note {
  margin: 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ---------- 联系支持区 ---------- */
.page-faq__contact {
  margin-top: clamp(40px, 7vw, 96px);
  padding: clamp(48px, 7vw, 96px) 0;
  background: linear-gradient(180deg, transparent, rgba(31, 92, 70, 0.26), transparent);
}

.page-faq__contact-grid {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-faq__contact-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 28px 8px 28px 8px;
  object-fit: cover;
  box-shadow: 0 28px 72px rgba(0, 0, 0, 0.4);
}

.page-faq__contact-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  color: var(--text);
  margin: 14px 0 14px;
}

.page-faq__contact-desc {
  color: var(--muted);
  line-height: 1.8;
  max-width: 52ch;
}

.page-faq__contact-list {
  display: grid;
  gap: 14px;
  margin: 22px 0;
  padding: 22px 24px;
  background: var(--faq-ink-line);
  border-left: 4px solid var(--gold);
  border-radius: 0 18px 18px 0;
}

.page-faq__contact-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq__contact-row dt {
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

.page-faq__contact-row dd {
  margin: 0;
  color: var(--text);
  font-family: var(--font-num);
  font-size: 0.98rem;
  overflow-wrap: anywhere;
}

.page-faq__contact-note {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.75;
  max-width: 56ch;
}

.page-faq__contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq__contact-actions .btn {
  margin: 0;
}

/* ---------- 桌面端栅格与交错布局 ---------- */
@media (min-width: 700px) {
  .page-faq__intro-grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: end;
  }

  .page-faq__privacy-visual {
    grid-template-columns: 300px 1fr;
    gap: 28px;
  }

  .page-faq__contact-row {
    flex-direction: row;
    align-items: baseline;
    gap: 18px;
  }

  .page-faq__contact-row dt {
    min-width: 76px;
  }
}

@media (min-width: 900px) {
  .page-faq__category-inner {
    grid-template-columns: 300px minmax(0, 720px);
    column-gap: clamp(40px, 6vw, 96px);
    row-gap: 40px;
  }

  .page-faq__category--flip .page-faq__category-inner {
    grid-template-columns: minmax(0, 720px) 300px;
    justify-content: end;
  }

  .page-faq__category--flip .page-faq__category-head {
    grid-column: 2;
    grid-row: 1;
  }

  .page-faq__category--flip .page-faq__accordion {
    grid-column: 1;
    grid-row: 1;
  }

  .page-faq__privacy-visual {
    grid-column: 1 / -1;
    margin-top: 12px;
  }

  .page-faq__contact-grid {
    grid-template-columns: minmax(0, 440px) minmax(0, 640px);
    gap: clamp(48px, 8vw, 120px);
    justify-content: end;
  }
}

@media (min-width: 1200px) {
  .page-faq__category-head {
    padding-left: 12px;
  }

  .page-faq__category--flip .page-faq__category-head {
    padding-left: 0;
    padding-right: 12px;
    text-align: right;
  }

  .page-faq__category--flip .page-faq__category-desc {
    margin-left: auto;
  }

  .page-faq__category--flip .page-faq__category-title {
    text-align: right;
  }

  .page-faq__category--flip .page-faq__speedlines {
    justify-content: flex-end;
  }
}

/* ---------- 减少动态偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation: none !important;
    transition: none !important;
  }
}