/* ===== FAQ 页面专属样式 ===== */
.page-faq {
  --faq-green-line: rgba(0, 255, 163, 0.45);
  background: var(--color-bg-light);
  color: var(--color-text);
}

/* ---------- Hero ---------- */
.page-faq .faq-hero {
  background: var(--color-primary);
  color: var(--color-bg-light);
  padding: calc(var(--header-h) + 48px) 0 56px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: -40px;
  width: 42%;
  height: 100%;
  background: linear-gradient(160deg, var(--color-accent-3) 0%, transparent 68%);
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.5;
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-faq .faq-hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-faq .page-hero__title {
  margin: 16px 0 18px;
  font-size: clamp(2.1rem, 7vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 10em;
}

.page-faq .page-hero__excerpt {
  max-width: 34em;
  color: rgba(245, 243, 239, 0.76);
  line-height: 1.8;
  font-size: 1rem;
  margin: 0;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-faq .faq-hero__visual {
  max-width: 240px;
  margin-left: auto;
}

.page-faq .faq-hero__visual .media {
  border-radius: 0;
  background: var(--color-accent-3);
  box-shadow: 12px 12px 0 rgba(0, 255, 163, 0.16);
}

.page-faq .faq-hero__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.92;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-breadcrumb {
  padding-top: 20px;
  padding-bottom: 0;
}

/* ---------- FAQ 主体布局 ---------- */
.page-faq .faq-body {
  padding-top: 32px;
  padding-bottom: 88px;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

/* ---------- 左侧目录 ---------- */
.page-faq .faq-toc {
  border-left: 2px solid var(--color-primary);
  padding-left: 18px;
}

.page-faq .faq-toc__label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gray);
  margin: 0 0 14px;
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-toc__list a {
  display: block;
  padding: 7px 10px;
  font-size: 0.92rem;
  color: var(--color-text);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.22s var(--ease), background 0.22s var(--ease), border-left-color 0.22s var(--ease);
}

.page-faq .faq-toc__list a:hover {
  color: var(--color-primary);
  background: rgba(0, 255, 163, 0.1);
  border-left-color: var(--color-accent);
}

.page-faq .faq-toc__contact {
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

.page-faq .faq-toc__contact p {
  margin: 0 0 12px;
  font-size: 0.88rem;
  color: var(--color-gray);
}

/* ---------- 内容区 ---------- */
.page-faq .faq-content {
  display: flex;
  flex-direction: column;
  gap: 56px;
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  border-top: 3px solid var(--color-primary);
  padding-top: 32px;
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-faq .faq-section__head {
  margin-bottom: 26px;
}

.page-faq .faq-section__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-accent-2);
  border: 1px solid currentColor;
  padding: 3px 10px;
  letter-spacing: 0.08em;
}

.page-faq .faq-section .section-title {
  margin: 14px 0 8px;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.2;
}

.page-faq .faq-section .section-lead {
  margin: 0;
  color: var(--color-gray);
  font-size: 0.95rem;
  line-height: 1.75;
  max-width: 42em;
}

/* ---------- 费用流程图 ---------- */
.page-faq .media--2-1 {
  aspect-ratio: 2 / 1;
}

.page-faq .faq-pricing__media {
  margin: 0 0 28px;
  border: 1px solid var(--color-border);
  background: var(--color-ink);
  overflow: hidden;
}

.page-faq .faq-pricing__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-border);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-faq .faq-item[open] {
  border-left-color: var(--color-accent);
  box-shadow: 0 14px 44px rgba(4, 18, 28, 0.09);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 20px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

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

.page-faq .faq-item__no {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-accent-2);
  line-height: 1;
  min-width: 1.8em;
  letter-spacing: 0.04em;
}

.page-faq .faq-item__text {
  flex: 1;
  font-family: var(--font-heading);
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.4;
  margin: 0;
}

.page-faq .faq-item__toggle {
  position: relative;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.page-faq .faq-item__toggle::before,
.page-faq .faq-item__toggle::after {
  content: "";
  position: absolute;
  background: var(--color-primary);
  transition: transform 0.28s var(--ease);
}

.page-faq .faq-item__toggle::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
}

.page-faq .faq-item__toggle::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
}

.page-faq .faq-item[open] .faq-item__toggle::after {
  transform: scaleY(0);
}

.page-faq .faq-item__a {
  margin: 0 20px 22px 52px;
  padding: 14px 0 2px 18px;
  border-left: 1px solid var(--faq-green-line);
  color: #3d4a58;
  line-height: 1.85;
  font-size: 0.94rem;
}

.page-faq .faq-item__a p {
  margin: 0 0 12px;
}

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

.page-faq .faq-item__a a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 底部 CTA ---------- */
.page-faq .faq-cta {
  margin-top: 8px;
  background: var(--color-primary);
  color: var(--color-bg-light);
  padding: 40px 32px 42px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-cta::after {
  content: "?";
  position: absolute;
  right: -20px;
  bottom: -64px;
  font-family: var(--font-heading);
  font-size: 13rem;
  line-height: 1;
  color: rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

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

.page-faq .faq-cta__title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  margin: 0 0 10px;
  line-height: 1.25;
}

.page-faq .faq-cta__text {
  max-width: 34em;
  margin: 0 0 24px;
  color: rgba(245, 243, 239, 0.75);
  line-height: 1.7;
  font-size: 0.95rem;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 桌面端增强 ---------- */
@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: calc(var(--header-h) + 64px) 0 72px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 56px;
    align-items: center;
  }

  .page-faq .faq-hero__visual {
    max-width: none;
  }

  .page-faq .faq-breadcrumb {
    padding-top: 24px;
  }

  .page-faq .faq-body {
    padding-top: 44px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-faq .faq-item__q {
    padding: 24px 26px;
  }

  .page-faq .faq-item__a {
    margin: 0 26px 26px 66px;
  }
}

/* ---------- 移动端微调 ---------- */
@media (max-width: 640px) {
  .page-faq .faq-hero {
    padding: calc(var(--header-h) + 36px) 0 44px;
  }

  .page-faq .faq-item__q {
    padding: 16px 14px;
    gap: 10px;
  }

  .page-faq .faq-item__text {
    font-size: 0.98rem;
  }

  .page-faq .faq-item__a {
    margin: 0 14px 18px 40px;
    padding-left: 14px;
    font-size: 0.9rem;
  }

  .page-faq .faq-cta {
    padding: 32px 22px;
  }
}