.page-faq {
  --faq-edge: rgba(201, 211, 220, 0.14);
  --faq-ghost: rgba(14, 42, 71, 0.72);
  padding: clamp(92px, 12vw, 132px) 0 clamp(64px, 9vw, 104px);
  color: var(--paper);
  font-family: var(--font-cn);
}

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-faq .breadcrumbs a {
  color: var(--cyan);
  text-decoration: none;
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--cyan-soft);
}

.page-faq .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 6px;
  color: var(--grid);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: var(--pad-panel);
  border: 1px solid var(--line-cyan);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, var(--deep-2) 0%, var(--deep) 62%, var(--ink) 100%);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line-cyan) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-cyan) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.5;
  -webkit-mask-image: radial-gradient(120% 90% at 82% 6%, #000 0%, transparent 68%);
  mask-image: radial-gradient(120% 90% at 82% 6%, #000 0%, transparent 68%);
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 24px;
}

.page-faq .faq-hero__copy .eyebrow {
  margin: 0;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 14px;
  color: #fff;
  font-size: clamp(34px, 6.2vw, 64px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-faq .faq-accent {
  font-style: normal;
  color: var(--cyan);
}

.page-faq .faq-hero .lede {
  max-width: 46ch;
  margin: 0;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.85;
}

.page-faq .faq-hero__media {
  margin: 0;
}

.page-faq .faq-hero__media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  object-fit: cover;
}

.page-faq .faq-hero__media .media-frame__caption {
  display: block;
  margin-top: 8px;
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
}

/* ---------- 分类胶囊 ---------- */
.page-faq .faq-index {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px 7px 8px;
  border: 1px solid var(--line-cyan);
  border-radius: var(--r-pill);
  background: var(--faq-ghost);
  color: var(--paper);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--cyan);
  background: rgba(31, 224, 200, 0.1);
  color: var(--cyan-soft);
}

.page-faq .faq-chip__num {
  padding: 2px 8px;
  border-radius: var(--r-pill);
  background: var(--cyan);
  color: var(--deep);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
}

/* ---------- 问答面板 ---------- */
.page-faq .faq-board {
  scroll-margin-top: 96px;
  display: grid;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 42px);
  padding: var(--pad-panel);
  border: 1px solid var(--faq-edge);
  border-radius: var(--r-lg);
  background: linear-gradient(176deg, rgba(14, 42, 71, 0.94) 0%, rgba(7, 26, 47, 0.97) 100%);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-board__rail {
  position: relative;
  padding-left: 16px;
}

.page-faq .faq-board__rail::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 2px;
  border-radius: var(--r-pill);
  background: linear-gradient(180deg, var(--cyan), rgba(31, 224, 200, 0));
}

.page-faq .faq-board__coord {
  margin: 0 0 8px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
}

.page-faq .faq-board__title {
  margin: 0 0 10px;
  color: #fff;
  font-size: clamp(25px, 4.4vw, 36px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-faq .faq-board__desc {
  margin: 0;
  max-width: 30ch;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.8;
}

.page-faq .faq-board__list {
  min-width: 0;
}

.page-faq .faq-item {
  border-top: 1px solid var(--faq-edge);
}

.page-faq .faq-item:last-child {
  border-bottom: 1px solid var(--faq-edge);
}

.page-faq .faq-item summary {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 16px 36px 16px 2px;
  color: var(--paper);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.65;
  cursor: pointer;
  list-style: none;
  transition: color 0.2s ease;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 14px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  transition: color 0.2s ease;
}

.page-faq .faq-item[open] summary::after {
  content: "\2212";
  color: var(--coral);
}

.page-faq .faq-item summary:hover .faq-item__q,
.page-faq .faq-item summary:focus-visible .faq-item__q {
  color: var(--cyan-soft);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

.page-faq .faq-item__num {
  flex: none;
  padding: 2px 6px;
  border: 1px solid var(--line-cyan);
  border-radius: 6px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
}

.page-faq .faq-item__q {
  min-width: 0;
}

.page-faq .faq-item__a {
  margin: 0 0 18px 4px;
  padding-left: 14px;
  border-left: 1px solid var(--line-cyan);
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.85;
}

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

.page-faq .faq-mark {
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 0 2px;
}

.page-faq .faq-mark--coral {
  color: var(--coral);
}

.page-faq .faq-mark--yellow {
  color: var(--yellow);
}

/* ---------- 客服 ---------- */
.page-faq .faq-contact {
  scroll-margin-top: 96px;
  display: grid;
  gap: 24px;
  margin-top: clamp(30px, 4.5vw, 50px);
  padding: var(--pad-panel);
  border: 1px solid rgba(255, 107, 74, 0.34);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(255, 107, 74, 0.14), transparent 58%),
    linear-gradient(160deg, var(--deep-2) 0%, var(--deep) 70%, var(--ink) 100%);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-contact__body .eyebrow {
  margin: 0;
  color: var(--coral);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
}

.page-faq .faq-contact__title {
  margin: 12px 0 12px;
  color: #fff;
  font-size: clamp(23px, 3.6vw, 34px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
}

.page-faq .faq-contact__text {
  margin: 0;
  max-width: 56ch;
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.85;
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact__row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 11px 14px;
  border: 1px solid var(--faq-edge);
  border-radius: var(--r-sm);
  background: rgba(230, 237, 243, 0.05);
  font-size: 13px;
  line-height: 1.7;
}

.page-faq .faq-contact__key {
  color: var(--coral);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  padding-top: 2px;
}

.page-faq .faq-contact__value {
  min-width: 0;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact__value a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-faq .faq-contact__value a:hover,
.page-faq .faq-contact__value a:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan);
}

.page-faq .faq-contact__media {
  margin: 0;
}

.page-faq .faq-contact__media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  object-fit: cover;
}

.page-faq .faq-contact__media .media-frame__caption {
  display: block;
  margin-top: 8px;
  color: var(--coral);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
}

/* ---------- 出口 ---------- */
.page-faq .faq-next {
  display: grid;
  gap: 12px;
  margin-top: clamp(26px, 4vw, 42px);
}

.page-faq .faq-next__card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  border: 1px solid var(--line-cyan);
  border-radius: var(--r-md);
  background: var(--faq-ghost);
  color: var(--paper);
  text-decoration: none;
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.page-faq .faq-next__card:hover,
.page-faq .faq-next__card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--cyan);
  background: rgba(31, 224, 200, 0.09);
}

.page-faq .faq-next__label {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
}

.page-faq .faq-next__title {
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .faq-next__desc {
  color: var(--mist);
  font-size: 12.5px;
  line-height: 1.75;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-contact__row {
    grid-template-columns: 84px minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
    gap: 34px;
  }

  .page-faq .faq-hero .lede {
    font-size: 15px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-board {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 38px;
    align-items: start;
  }

  .page-faq .faq-board__rail {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 38px;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chip,
  .page-faq .faq-item summary,
  .page-faq .faq-next__card {
    transition: none;
  }

  .page-faq .faq-next__card:hover,
  .page-faq .faq-next__card:focus-visible {
    transform: none;
  }
}