.page-faq {
  --faq-line: rgba(155, 167, 180, 0.22);
  --faq-radius: 18px;
  display: block;
  padding-bottom: 8px;
}

.page-faq .faq-shell {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 22px 16px 84px;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-2);
  min-height: 430px;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.62;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 22, 34, 0.42) 0%, rgba(10, 22, 34, 0.82) 58%, var(--ink) 100%),
    radial-gradient(120% 80% at 88% 12%, rgba(51, 225, 210, 0.16) 0%, transparent 62%);
  pointer-events: none;
}

.page-faq .faq-hero__body {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 34px 20px 30px;
}

.page-faq .faq-hero__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 36px;
  line-height: 1.14;
  letter-spacing: 0.01em;
  margin: 18px 0 14px;
  color: var(--paper);
  max-width: 15em;
}

.page-faq .faq-hero__lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.86;
  max-width: 46em;
  margin: 0 0 24px;
}

.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 560px;
  padding: 11px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(243, 237, 226, 0.07);
  transition: border-color 0.24s ease, box-shadow 0.24s ease;
}

.page-faq .faq-search:focus-within,
.page-faq .faq-search:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(51, 225, 210, 0.16);
}

.page-faq .faq-search__ico {
  flex: none;
  color: var(--cyan);
}

.page-faq .faq-search__input {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.4;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.page-faq .faq-search__input::placeholder {
  color: rgba(155, 167, 180, 0.78);
}

.page-faq .faq-search__hint {
  flex: none;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--amber);
}

/* ---------- 双列骨架 ---------- */

.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  padding-top: 40px;
}

.page-faq .faq-index__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--silver);
  margin: 0 0 12px;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-index__item--lead {
  border-top: 1px solid var(--faq-line);
  margin-top: 8px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 12px 10px 14px;
  border-bottom: 1px solid var(--faq-line);
  border-left: 2px solid transparent;
  color: var(--paper);
  text-decoration: none;
  transition: background 0.22s ease, border-color 0.22s ease, color 0.22s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(51, 225, 210, 0.07);
  border-left-color: var(--cyan);
  color: var(--cyan);
  outline: none;
}

.page-faq .faq-index__label {
  flex: 1 1 auto;
  font-size: 14px;
  line-height: 1.5;
}

.page-faq .faq-index__item--lead .faq-index__label {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.page-faq .faq-index__count {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--silver-dim);
  letter-spacing: 0.04em;
  transition: color 0.22s ease;
}

.page-faq .faq-index__link:hover .faq-index__count,
.page-faq .faq-index__link:focus-visible .faq-index__count {
  color: var(--cyan);
}

/* ---------- 问答分区 ---------- */

.page-faq .faq-sec {
  margin-bottom: 46px;
  scroll-margin-top: calc(var(--head-h) + 26px);
}

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

.page-faq .faq-sec__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-sec__ico {
  flex: none;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--ink-2);
  color: var(--cyan);
}

.page-faq .faq-sec__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--paper);
  margin: 0;
}

.page-faq .faq-sec__count {
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--silver-dim);
  white-space: nowrap;
}

.page-faq .faq-sec .accordion__item {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-sec .accordion__btn {
  position: relative;
  display: block;
  width: 100%;
  padding: 17px 44px 17px 14px;
  border: 0;
  border-left: 2px solid transparent;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
  transition: background 0.22s ease, border-color 0.22s ease, color 0.22s ease;
}

.page-faq .faq-sec .accordion__btn:hover {
  background: rgba(51, 225, 210, 0.06);
  border-left-color: var(--cyan);
}

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

.page-faq .faq-sec .accordion__btn[aria-expanded="true"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(51, 225, 210, 0.05);
}

.page-faq .faq-sec .accordion__ico {
  position: absolute;
  right: 16px;
  top: 21px;
  color: var(--silver);
  transition: transform 0.28s ease, color 0.24s ease;
}

.page-faq .faq-sec .accordion__btn[aria-expanded="true"] .accordion__ico {
  color: var(--cyan);
  transform: rotate(135deg);
}

.page-faq .faq-sec .accordion__panel {
  display: none;
  padding: 0 30px 20px 16px;
  border-left: 2px solid var(--cyan);
  background: rgba(15, 46, 51, 0.42);
}

.page-faq .faq-sec .accordion__btn[aria-expanded="true"] + .accordion__panel {
  display: block;
  animation: faq-drop 0.3s ease both;
}

.page-faq .faq-sec .accordion__panel p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

@keyframes faq-drop {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 三条路径 ---------- */

.page-faq .faq-paths {
  padding-top: 62px;
}

.page-faq .faq-paths__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: 26px;
  align-items: start;
}

.page-faq .faq-steps {
  list-style: none;
  counter-reset: faq-step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-steps__item {
  position: relative;
  padding: 18px 18px 18px 56px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(16, 34, 47, 0.92), rgba(10, 22, 34, 0.92));
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-steps__item::before {
  counter-increment: faq-step;
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 19px;
  font-family: var(--font-num);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-faq .faq-steps__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.03em;
  color: var(--paper);
  margin: 0 0 6px;
}

.page-faq .faq-steps__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .faq-paths__fig {
  margin: 0;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink-2);
}

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

.page-faq .faq-paths__fig .media__cap {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver);
  border-top: 1px solid var(--faq-line);
}

/* ---------- 数据规则 ---------- */

.page-faq .faq-data {
  padding-top: 62px;
}

.page-faq .faq-stats {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-stats__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 22px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-md);
  background:
    linear-gradient(180deg, rgba(15, 46, 51, 0.7), rgba(10, 22, 34, 0.9));
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-stats__item::before {
  content: "";
  display: block;
  width: 34px;
  height: 3px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-faq .faq-stats__item:nth-child(2)::before {
  background: var(--orange);
}

.page-faq .faq-stats__item:nth-child(3)::before {
  background: var(--amber);
}

.page-faq .faq-stats__item:nth-child(4)::before {
  background: var(--silver);
}

.page-faq .faq-stats__num {
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-stats__num--cyan {
  color: var(--cyan);
}

.page-faq .faq-stats__num--orange {
  color: var(--orange);
}

.page-faq .faq-stats__label {
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 联系 ---------- */

.page-faq .faq-contact {
  margin-top: 62px;
  padding: 34px 22px 32px;
  border-radius: var(--r-lg);
  background: var(--paper);
  color: var(--ink);
  box-shadow: var(--shadow-paper);
}

.page-faq .faq-contact .eyebrow {
  color: var(--cyan-deep);
}

.page-faq .faq-contact__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin: 10px 0 12px;
}

.page-faq .faq-contact__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: #3a4b5a;
  max-width: 52em;
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 22px 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
  border-top: 1px solid rgba(10, 22, 34, 0.14);
  padding-top: 18px;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  align-items: baseline;
}

.page-faq .faq-contact__key {
  flex: none;
  width: 5.4em;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: #556472;
}

.page-faq .faq-contact__val {
  font-size: 15.5px;
  color: var(--ink);
  text-decoration: none;
  word-break: break-word;
}

.page-faq a.faq-contact__val {
  border-bottom: 1px solid rgba(10, 22, 34, 0.35);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq a.faq-contact__val:hover,
.page-faq a.faq-contact__val:focus-visible {
  color: #16b6ab;
  border-color: #16b6ab;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-shell {
    padding: 28px 24px 96px;
  }

  .page-faq .faq-hero {
    min-height: 460px;
  }

  .page-faq .faq-hero__body {
    padding: 44px 40px 40px;
  }

  .page-faq .faq-hero__title {
    font-size: 48px;
  }

  .page-faq .faq-hero__lead {
    font-size: 17px;
  }

  .page-faq .faq-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact {
    padding: 44px 40px 40px;
  }

  .page-faq .faq-contact__title {
    font-size: 32px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: 48px;
    padding-top: 64px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--head-h) + 26px);
    align-self: start;
  }

  .page-faq .faq-paths {
    padding-top: 84px;
  }

  .page-faq .faq-paths__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
    gap: 30px;
    margin-top: 32px;
  }

  .page-faq .faq-data {
    padding-top: 84px;
  }

  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-contact {
    margin-top: 84px;
    padding: 52px 48px 48px;
  }

  .page-faq .faq-contact__title {
    font-size: 36px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-shell {
    padding-left: 0;
    padding-right: 0;
  }

  .page-faq .faq-hero__title {
    font-size: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-sec .accordion__btn[aria-expanded="true"] + .accordion__panel {
    animation: none;
  }

  .page-faq .faq-sec .accordion__ico,
  .page-faq .faq-index__link,
  .page-faq .faq-search,
  .page-faq .faq-sec .accordion__btn {
    transition: none;
  }
}