.page-faq {
  --faq-side: 264px;
  --faq-gap: clamp(1.5rem, 3vw, 3rem);
  --faq-ink-soft: #cfe7f3;
  position: relative;
  padding-bottom: clamp(2.5rem, 7vw, 5rem);
  color: var(--ice);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(1.75rem, 5vw, 3rem) 0 clamp(2.25rem, 6.5vw, 4.75rem);
  background-color: var(--ink-900);
}

.page-faq .faq-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(1.15);
}

.page-faq .faq-hero__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(6, 26, 43, 0.44) 0%, rgba(6, 26, 43, 0.88) 58%, var(--ink-900) 100%),
    radial-gradient(70% 80% at 82% 2%, rgba(139, 92, 246, 0.45), transparent 68%),
    radial-gradient(50% 70% at 4% 0%, rgba(34, 245, 224, 0.26), transparent 72%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 2;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(1.1rem, 3.5vw, 2rem);
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 0.85rem;
  color: var(--cyan);
}

.page-faq .faq-hero__title {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.2vw, 3.9rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero__lead {
  margin: clamp(1rem, 2.5vw, 1.4rem) 0 0;
  max-width: 60ch;
  color: #c6dfee;
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  line-height: 1.78;
}

.page-faq .faq-hot {
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-faq .faq-hot__link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.95rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(18, 52, 74, 0.5);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: var(--ice);
  font-size: 0.95rem;
  text-decoration: none;
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.page-faq .faq-hot__link:hover,
.page-faq .faq-hot__link:focus-visible {
  border-color: var(--cyan);
  background: rgba(34, 245, 224, 0.12);
  transform: translateY(-2px);
  outline: none;
}

.page-faq .faq-hot__num {
  flex: none;
  font-size: 0.78rem;
  color: var(--cyan);
}

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

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: var(--faq-gap);
  padding-top: clamp(2rem, 5vw, 3.5rem);
}

.page-faq .faq-side,
.page-faq .faq-docs {
  min-width: 0;
}

.page-faq .faq-side__label {
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-side__list {
  list-style: none;
  margin: 0 0 1.15rem;
  padding: 0 0 0.35rem;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-side__link {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--line-soft);
  border-left: 2px solid transparent;
  border-radius: var(--r-sm);
  color: var(--mist);
  font-size: 0.9rem;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  color: var(--ice);
  border-left-color: var(--cyan);
  background: rgba(34, 245, 224, 0.1);
  outline: none;
}

.page-faq .faq-side__num {
  font-size: 0.74rem;
  color: var(--cyan);
}

.page-faq .faq-side__card {
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(155deg, rgba(34, 245, 224, 0.15), rgba(11, 42, 68, 0.8));
}

.page-faq .faq-side__card-title {
  margin: 0 0 0.4rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ice);
}

.page-faq .faq-side__card-text {
  margin: 0 0 0.9rem;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

/* ---------- 文档区块 ---------- */
.page-faq .faq-sec {
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
  margin-bottom: clamp(2.25rem, 6vw, 3.75rem);
}

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

.page-faq .faq-sec__head {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  padding-bottom: 0.8rem;
  margin-bottom: 1.1rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-sec__index {
  flex: none;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 3.4vw, 1.85rem);
  letter-spacing: 0.01em;
  color: var(--ice);
}

.page-faq .faq-sec__intro {
  margin: 0 0 1.15rem;
  max-width: 64ch;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-sec__foot {
  margin: 0 0 1.1rem;
  max-width: 64ch;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-sec__foot a,
.page-faq .faq-card__a a,
.page-faq .faq-contact__main a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 折叠文档卡 ---------- */
.page-faq .faq-card {
  margin-bottom: 0.65rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(18, 52, 74, 0.78), rgba(11, 42, 68, 0.55));
  overflow: hidden;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.page-faq .faq-card:hover {
  border-color: rgba(34, 245, 224, 0.3);
}

.page-faq .faq-card[open] {
  border-color: rgba(34, 245, 224, 0.45);
  background: linear-gradient(160deg, rgba(18, 52, 74, 0.96), rgba(11, 42, 68, 0.74));
}

.page-faq .faq-card__q {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 1.1rem;
  list-style: none;
  cursor: pointer;
  font-size: 0.97rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ice);
}

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

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

.page-faq .faq-card__num {
  flex: none;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .faq-card[open] .faq-card__num {
  color: var(--cyan);
}

.page-faq .faq-card__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-card__mark {
  position: relative;
  flex: none;
  width: 13px;
  height: 13px;
}

.page-faq .faq-card__mark::before,
.page-faq .faq-card__mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  background: var(--cyan);
  transform: translateY(-50%);
  transition: transform 0.25s ease;
}

.page-faq .faq-card__mark::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-card[open] .faq-card__mark::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-faq .faq-card__a {
  padding: 0 1.1rem 1.05rem;
}

.page-faq .faq-card__a p {
  margin: 0 0 0.6rem;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

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

/* ---------- 费用模块 ---------- */
.page-faq .faq-fees {
  display: grid;
  gap: 1.1rem;
}

.page-faq .faq-fees__media {
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink-800);
}

.page-faq .faq-fees__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-fees__media .media__caption {
  padding: 0.65rem 0.9rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--mist);
  background: rgba(6, 26, 43, 0.85);
}

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

.page-faq .faq-fee-card {
  padding: 1.05rem 1.1rem;
  margin-bottom: 0.7rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(6, 26, 43, 0.66);
}

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

.page-faq .faq-fee-card__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.55rem;
}

.page-faq .faq-fee-card__code {
  padding: 0.14rem 0.45rem;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ink-900);
  background: var(--amber);
}

.page-faq .faq-fee-card__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ice);
}

.page-faq .faq-fee-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--faq-ink-soft);
}

.page-faq .faq-fee-card--note {
  border-color: rgba(139, 92, 246, 0.42);
  background: linear-gradient(150deg, rgba(139, 92, 246, 0.2), rgba(6, 26, 43, 0.72));
}

/* ---------- 周期刻度 ---------- */
.page-faq .faq-cycle {
  margin-bottom: 1.15rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: rgba(11, 42, 68, 0.72);
}

.page-faq .faq-cycle__track {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.35rem;
}

.page-faq .faq-cycle__tick {
  display: grid;
  place-items: center;
  height: 2rem;
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-900);
  background: linear-gradient(180deg, var(--cyan), #12b8a8);
  opacity: 0.85;
}

.page-faq .faq-cycle__tick--end {
  opacity: 1;
  background: linear-gradient(180deg, var(--amber), #e0a52f);
}

.page-faq .faq-cycle__note {
  margin: 0.75rem 0 0;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* ---------- 项目标签 ---------- */
.page-faq .faq-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0 0 1rem;
  padding: 0;
}

.page-faq .faq-tag {
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(34, 245, 224, 0.08);
  color: var(--ice);
  font-size: 0.85rem;
}

.page-faq .faq-tag:nth-child(3n + 2) {
  border-color: rgba(139, 92, 246, 0.45);
  background: rgba(139, 92, 246, 0.16);
}

.page-faq .faq-tag:nth-child(3n) {
  border-color: rgba(255, 107, 74, 0.42);
  background: rgba(255, 107, 74, 0.14);
}

/* ---------- 联络面板 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.15rem, 4vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(80% 100% at 100% 0%, rgba(139, 92, 246, 0.32), transparent 65%),
    linear-gradient(150deg, rgba(18, 52, 74, 0.92), rgba(6, 26, 43, 0.94));
}

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

.page-faq .faq-contact__main p {
  margin: 0 0 1rem;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 1rem 1.05rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: rgba(6, 26, 43, 0.62);
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 0.15rem;
  min-width: 0;
}

.page-faq .faq-contact__row dt {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-contact__row dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--ice);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hot {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
    gap: 1.75rem;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-fees {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 1.5rem;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-side) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }

  .page-faq .faq-side__list {
    flex-direction: column;
    gap: 0.25rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-side__link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: var(--r-sm);
    font-size: 0.92rem;
  }

  .page-faq .faq-card__q {
    padding: 1.05rem 1.25rem;
    font-size: 1rem;
  }

  .page-faq .faq-card__a {
    padding: 0 1.25rem 1.15rem;
  }
}