.page-faq {
  --faq-gap: clamp(16px, 3.6vw, 40px);
  --faq-rule: 1px solid var(--line-steel);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding-top: clamp(18px, 3vw, 30px);
  padding-bottom: 4px;
  font-size: 13px;
  color: var(--text-3);
  letter-spacing: 0.02em;
}

.page-faq .breadcrumb a {
  color: var(--text-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-faq .breadcrumb__sep {
  margin: 0 8px;
  color: var(--line-steel);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  padding-block: clamp(22px, 4vw, 34px) clamp(30px, 5vw, 54px);
  align-items: center;
}

.page-faq .faq-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 18px;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 8vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0 0 18px;
  text-wrap: balance;
}

.page-faq .faq-hero__lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-2);
  margin: 0 0 22px;
  max-width: 44ch;
}

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

.page-faq .faq-hero__media {
  --ratio: 4 / 3;
  border: var(--faq-rule);
  overflow: hidden;
  background: linear-gradient(140deg, var(--ink-800) 0%, var(--ink-950) 68%);
}

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

/* ---------- 三条高频 ---------- */
.page-faq .faq-quick {
  position: relative;
  padding-block: clamp(26px, 5vw, 48px);
  border-top: var(--faq-rule);
}

.page-faq .faq-quick__head {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "idx title"
    "idx note";
  column-gap: 16px;
  row-gap: 6px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-quick__idx {
  grid-area: idx;
  font-size: 34px;
  line-height: 1;
  font-weight: 700;
  color: var(--amber);
  align-self: start;
}

.page-faq .faq-quick__title {
  grid-area: title;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0;
  line-height: 1.2;
}

.page-faq .faq-quick__note {
  grid-area: note;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-3);
  margin: 0;
}

.page-faq .faq-quick__grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-faq .faq-quick__item {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--ink-900);
  border: var(--faq-rule);
  border-left: 2px solid var(--amber);
  clip-path: var(--radius-cut);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.page-faq .faq-quick__item:hover {
  transform: translateY(-2px);
  border-left-color: var(--cyan);
}

.page-faq .faq-quick__num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
  margin-bottom: 12px;
}

.page-faq .faq-quick__q {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  margin: 0 0 12px;
}

.page-faq .faq-quick__a {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-2);
  margin: 0;
}

/* ---------- 快速跳转条 ---------- */
.page-faq .faq-jump {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-block: 18px;
  border-top: var(--faq-rule);
  border-bottom: var(--faq-rule);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-jump::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-jump__label {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--text-3);
  text-transform: uppercase;
}

.page-faq .faq-jump__list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex: none;
}

.page-faq .faq-jump__list a {
  display: block;
  padding: 7px 14px;
  font-size: 13px;
  white-space: nowrap;
  color: var(--text-2);
  text-decoration: none;
  border: 1px solid var(--line-steel);
  border-radius: 999px;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-jump__list a:hover,
.page-faq .faq-jump__list a:focus-visible {
  color: var(--ink-950);
  background: var(--cyan);
  border-color: var(--cyan);
  outline: none;
}

/* ---------- 分组 ---------- */
.page-faq .faq-groups {
  padding-bottom: clamp(50px, 8vw, 96px);
}

.page-faq .faq-group {
  padding-top: clamp(30px, 5vw, 52px);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(30px, 5vw, 56px);
  border-top: 3px solid transparent;
  border-image: linear-gradient(90deg, var(--rose) 0%, var(--rose-deep) 42%, transparent 100%) 1;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num title"
    "num note";
  column-gap: 16px;
  row-gap: 8px;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-faq .faq-group__num {
  grid-area: num;
  font-size: clamp(38px, 9vw, 60px);
  line-height: 0.86;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px var(--amber);
  align-self: start;
}

.page-faq .faq-group__title {
  grid-area: title;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 5vw, 2rem);
  letter-spacing: -0.01em;
  line-height: 1.14;
  color: var(--text);
  margin: 0;
}

.page-faq .faq-group__note {
  grid-area: note;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-3);
  margin: 0;
}

/* ---------- 手风琴条目 ---------- */
.page-faq .faq-group__body {
  display: block;
}

.page-faq .faq-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: var(--faq-rule);
  position: relative;
}

.page-faq .faq-item:last-child {
  border-bottom: var(--faq-rule);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--amber);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.3s ease;
}

.page-faq .faq-item:has(.faq-trigger[aria-expanded="true"])::before {
  transform: scaleY(1);
}

.page-faq .faq-q {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .faq-trigger {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 14px;
  width: 100%;
  padding: 18px 8px 18px 14px;
  background: transparent;
  border: 0;
  text-align: left;
  color: var(--text);
  font-family: inherit;
  cursor: pointer;
  transition: color 0.2s ease, background-color 0.2s ease;
}

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

.page-faq .faq-trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .faq-q__num {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--num-dim);
  padding-top: 4px;
  transition: color 0.2s ease;
}

.page-faq .faq-trigger[aria-expanded="true"] .faq-q__num {
  color: var(--amber);
}

.page-faq .faq-q__text {
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  text-wrap: pretty;
}

.page-faq .faq-trigger .accordion__icon {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 5px;
  flex: none;
}

.page-faq .faq-trigger .accordion__icon::before,
.page-faq .faq-trigger .accordion__icon::after {
  content: "";
  position: absolute;
  background: var(--text-2);
  transition: transform 0.25s ease, background-color 0.25s ease, opacity 0.25s ease;
}

.page-faq .faq-trigger .accordion__icon::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .faq-trigger .accordion__icon::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.page-faq .faq-trigger[aria-expanded="true"] .accordion__icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-trigger[aria-expanded="true"] .accordion__icon::before {
  background: var(--amber);
}

.page-faq .faq-panel[hidden] {
  display: none;
}

.page-faq .faq-panel__inner {
  padding: 0 8px 22px 14px;
  animation: faq-fade 0.28s ease both;
}

.page-faq .faq-panel__inner p {
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--text-2);
  margin: 0;
}

.page-faq .faq-panel__inner p + .faq-steps {
  margin-top: 12px;
}

.page-faq .faq-steps {
  list-style: none;
  counter-reset: faq-step;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-steps li {
  counter-increment: faq-step;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px 7px 9px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text);
  background: var(--ink-800);
  border: 1px solid var(--line-steel);
  border-radius: 999px;
}

.page-faq .faq-steps li::before {
  content: counter(faq-step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-950);
  background: var(--amber);
  border-radius: 50%;
}

@keyframes faq-fade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 组内配图 ---------- */
.page-faq .faq-group__media {
  --ratio: 3 / 2;
  margin-top: clamp(18px, 3vw, 28px);
  border: var(--faq-rule);
  overflow: hidden;
  background: var(--ink-900);
}

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

/* ---------- 组尾 CTA ---------- */
.page-faq .faq-cta {
  margin-top: clamp(20px, 3vw, 30px);
  padding: clamp(20px, 3vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 18px;
  background: linear-gradient(100deg, var(--ink-800) 0%, var(--ink-900) 100%);
  border: var(--faq-rule);
  clip-path: var(--radius-cut);
}

.page-faq .faq-cta__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 6px;
}

.page-faq .faq-cta__sub {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
  margin: 0;
}

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

/* ---------- 桌面端 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-quick__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-faq .faq-hero__title {
    font-size: clamp(2.6rem, 5.4vw, 3.75rem);
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-hero__title {
    font-size: clamp(3rem, 5vw, 4.4rem);
  }

  .page-faq .faq-item {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    column-gap: 40px;
    align-items: start;
  }

  .page-faq .faq-trigger {
    padding-right: 16px;
  }

  .page-faq .faq-panel__inner {
    padding: 20px 20px 22px 0;
    border-left: 1px dashed transparent;
  }

  .page-faq .faq-item:has(.faq-trigger[aria-expanded="true"]) .faq-panel__inner {
    border-left-color: var(--line-steel);
    padding-left: 20px;
  }

  .page-faq .faq-group__body {
    padding-left: 12px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-group__body {
    padding-left: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick__item,
  .page-faq .faq-trigger,
  .page-faq .accordion__icon::before,
  .page-faq .accordion__icon::after,
  .page-faq .faq-item::before {
    transition: opacity 0.2s ease;
  }

  .page-faq .faq-quick__item:hover {
    transform: none;
  }

  .page-faq .faq-panel__inner {
    animation: none;
  }
}