.page-faq {
  --faq-rule: rgba(11, 58, 122, .16);
  --faq-rule-strong: rgba(11, 58, 122, .34);
  background: var(--cloud);
  color: var(--ink);
  overflow-x: hidden;
}

.page-faq .faq-topline {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(16px, 2.2vw, 28px) var(--pad) 0;
}

/* ---------- hero ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: clamp(14px, 1.8vw, 24px);
  background: var(--sky);
  color: var(--cloud);
  border-top: 1px solid rgba(245, 248, 255, .18);
  border-bottom: 1px solid rgba(245, 248, 255, .18);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245, 248, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 248, 255, .07) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(38px, 5.6vw, 80px) var(--pad) clamp(34px, 4.6vw, 62px);
}

.page-faq .faq-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 clamp(16px, 2vw, 26px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-hero__eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(0, 231, 193, .34);
}

.page-faq .faq-hero__title {
  max-width: 18ch;
  margin: 0 0 clamp(18px, 2.2vw, 28px);
  font-size: clamp(34px, 5.6vw, 74px);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -.018em;
  color: #ffffff;
}

.page-faq .faq-hero__title strong {
  font-weight: 700;
  color: var(--cyan);
}

.page-faq .faq-hero__lede {
  max-width: 62ch;
  margin: 0 0 clamp(26px, 3vw, 40px);
  font-size: clamp(15px, 1.25vw, 17px);
  line-height: 1.85;
  color: rgba(245, 248, 255, .84);
}

.page-faq .faq-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 34px);
  max-width: 660px;
  padding-top: clamp(18px, 2vw, 26px);
  border-top: 1px solid rgba(245, 248, 255, .2);
}

.page-faq .faq-hero__fact {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

.page-faq .faq-hero__fact b {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-hero__fact span {
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(245, 248, 255, .7);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 3vw, 40px);
}

.page-faq .faq-hero .btn--ghost {
  border-color: rgba(245, 248, 255, .42);
  color: var(--cloud);
}

/* ---------- 两栏骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4vw, 54px);
  align-items: start;
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(36px, 5vw, 72px) var(--pad) clamp(64px, 8vw, 118px);
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(206px, 246px) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 88px);
  }
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-index {
  padding-top: 18px;
  border-top: 2px solid var(--sky);
}

@media (min-width: 1000px) {
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--slate);
}

.page-faq .faq-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__item {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 10px;
  padding: 11px 2px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  text-decoration: none;
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--sky);
  padding-left: 8px;
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate);
}

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

.page-faq .faq-index__count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sky);
  text-align: right;
  white-space: nowrap;
}

.page-faq .faq-index__note {
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 问答区块 ---------- */
.page-faq .faq-section {
  padding-top: clamp(18px, 2.2vw, 28px);
  border-top: 2px solid var(--sky);
  margin-bottom: clamp(42px, 5vw, 78px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

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

.page-faq .faq-section__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: clamp(12px, 1.6vw, 20px);
  margin-bottom: clamp(12px, 1.4vw, 20px);
}

.page-faq .faq-section__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-faq .faq-section__title {
  margin: 0;
  font-size: clamp(22px, 2.6vw, 34px);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -.012em;
  color: var(--ink);
}

.page-faq .faq-section__count {
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate);
  background: var(--mist);
  white-space: nowrap;
}

/* ---------- 配图 ---------- */
.page-faq .faq-media {
  margin: 0 0 clamp(16px, 2vw, 26px);
  border: 1px solid var(--faq-rule);
  background: #ffffff;
}

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

.page-faq .faq-media__caption {
  margin: 0;
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--slate);
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-media--narrow {
  max-width: 620px;
}

/* ---------- 折叠条目 ---------- */
.page-faq .qa {
  position: relative;
  padding-left: 14px;
  border-bottom: 1px solid var(--faq-rule);
  transition: background .25s var(--ease);
}

.page-faq .qa::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: transparent;
  transition: background .22s var(--ease);
}

.page-faq .qa[open] {
  background: linear-gradient(90deg, rgba(0, 231, 193, .12), rgba(0, 231, 193, 0) 70%);
}

.page-faq .qa[open]::before {
  background: var(--cyan);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 18px;
  align-items: baseline;
  gap: clamp(10px, 1.4vw, 18px);
  padding: clamp(13px, 1.4vw, 17px) 0;
  font-size: clamp(15px, 1.2vw, 16.5px);
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__q:hover .qa__text {
  color: var(--sky);
}

.page-faq .qa__idx {
  min-width: 42px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .06em;
  color: var(--slate);
}

.page-faq .qa__toggle {
  position: relative;
  justify-self: end;
  align-self: center;
  width: 14px;
  height: 14px;
  flex: none;
}

.page-faq .qa__toggle::before,
.page-faq .qa__toggle::after {
  content: "";
  position: absolute;
  background: var(--sky);
  transition: transform .22s var(--ease), opacity .22s var(--ease), background .22s var(--ease);
}

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

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

.page-faq .qa[open] .qa__toggle::before {
  background: var(--orange);
}

.page-faq .qa[open] .qa__toggle::after {
  transform: rotate(90deg);
  opacity: 0;
}

.page-faq .qa__a {
  padding: 0 12px clamp(16px, 1.8vw, 22px) clamp(0px, 8vw, 60px);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--slate);
}

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

/* ---------- 人工协助 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: clamp(22px, 2.8vw, 40px);
  margin-top: 12px;
  padding: clamp(26px, 3.4vw, 50px) clamp(20px, 3vw, 44px);
  background: var(--indigo);
  color: var(--cloud);
}

@media (min-width: 780px) {
  .page-faq .faq-contact {
    grid-template-columns: 1.1fr .9fr;
  }
}

.page-faq .faq-contact__text p {
  max-width: 58ch;
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(245, 248, 255, .84);
}

.page-faq .faq-contact__text .btn {
  margin-top: 8px;
}

.page-faq .faq-contact__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(245, 248, 255, .2);
}

.page-faq .faq-contact__list li {
  position: relative;
  padding: 11px 0 11px 20px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(245, 248, 255, .86);
  border-bottom: 1px solid rgba(245, 248, 255, .12);
}

.page-faq .faq-contact__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 窄屏 ---------- */
@media (max-width: 640px) {
  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .page-faq .faq-hero__fact span {
    font-size: 11px;
    letter-spacing: 0;
  }

  .page-faq .faq-hero__actions .btn {
    width: 100%;
    text-align: center;
  }

  .page-faq .qa__idx {
    min-width: 34px;
    font-size: 10px;
  }

  .page-faq .faq-section__count {
    display: none;
  }

  .page-faq .qa__a {
    padding-left: 0;
    padding-right: 0;
  }
}
<<<END>>>