.page-faq {
  --faq-line: rgba(155, 176, 173, .2);
  --faq-line-soft: rgba(155, 176, 173, .11);
  --faq-r: 22px;
  --faq-r-lg: 30px;
  display: block;
  background: var(--pitch);
  color: var(--white);
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  min-height: min(70vh, 540px);
  padding-block: clamp(84px, 15vw, 152px) clamp(38px, 6vw, 66px);
  background: var(--pitch-deep);
}

.page-faq .faq-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-faq .faq-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  opacity: .3;
  filter: saturate(.45) contrast(1.08);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 82% at 10% 0%, rgba(79, 209, 197, .1), transparent 55%),
    linear-gradient(180deg, rgba(7, 42, 32, .6) 0%, rgba(7, 42, 32, .9) 48%, var(--pitch) 100%);
}

.page-faq .faq-hero__inner {
  position: relative;
  width: 100%;
}

.page-faq .faq-hero .crumbs {
  margin-bottom: clamp(16px, 2.6vw, 26px);
}

.page-faq .faq-hero .eyebrow {
  margin: 0 0 12px;
  color: var(--amber);
}

.page-faq .faq-hero h1 {
  margin: 0;
  max-width: 21ch;
  font-size: clamp(28px, 5.4vw, 58px);
  line-height: 1.14;
  font-weight: 700;
  letter-spacing: -.02em;
  transform: skewX(-1.6deg);
  transform-origin: left bottom;
}

.page-faq .faq-hero h1::after {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  margin-top: 20px;
  border-radius: var(--pill);
  background: linear-gradient(90deg, var(--amber), var(--amber-light));
}

.page-faq .faq-hero .lede {
  margin: clamp(22px, 3.4vw, 32px) 0 0;
  max-width: 62ch;
  color: rgba(244, 247, 245, .82);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
}

/* ============ 布局骨架 ============ */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 44px);
  padding-block: clamp(34px, 6vw, 62px) clamp(46px, 8vw, 92px);
}

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

/* ============ 左侧目录 ============ */
.page-faq .faq-toc {
  position: relative;
  min-width: 0;
}

.page-faq .faq-toc__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--stand);
  text-transform: uppercase;
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-toc__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--faq-line);
  border-radius: var(--pill);
  color: var(--stand);
  font-size: 14px;
  line-height: 1.35;
  white-space: nowrap;
  text-decoration: none;
  transition: color .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease);
}

.page-faq .faq-toc__link:hover {
  color: var(--white);
  border-color: var(--line-strong);
}

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

/* ============ 主题区块 ============ */
.page-faq .faq-topic {
  --topic-tone: var(--amber);
  scroll-margin-top: 110px;
}

.page-faq .faq-topic + .faq-topic {
  margin-top: clamp(34px, 6vw, 62px);
}

.page-faq .faq-topic--amber { --topic-tone: var(--amber); }
.page-faq .faq-topic--plus  { --topic-tone: var(--plus); }
.page-faq .faq-topic--screen { --topic-tone: var(--screen); }
.page-faq .faq-topic--minus { --topic-tone: var(--minus); }

.page-faq .faq-topic:target .faq-topic__head {
  border-bottom-color: var(--topic-tone);
}

.page-faq .faq-topic__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--faq-line);
  margin-bottom: 4px;
  transition: border-color .24s var(--ease);
}

.page-faq .faq-topic__tag {
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--topic-tone);
}

.page-faq .faq-topic__title {
  margin: 0;
  font-size: clamp(19px, 2.5vw, 27px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.01em;
}

/* ============ 问答条目 ============ */
.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  min-height: 44px;
  padding: clamp(16px, 2.4vw, 22px) 4px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.72vw, 17px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--white);
  transition: color .22s var(--ease);
}

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

.page-faq .faq-item > summary:hover {
  color: var(--amber-light);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--screen);
  outline-offset: 2px;
  border-radius: 6px;
}

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

.page-faq .faq-item__sign {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 5px;
  right: 5px;
  height: 2px;
  border-radius: 2px;
  background: var(--amber);
  transform: translateY(-50%);
  transition: transform .24s var(--ease), opacity .24s var(--ease);
}

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

.page-faq .faq-item[open] > summary {
  color: var(--amber-light);
}

.page-faq .faq-item[open] .faq-item__sign {
  border-color: var(--amber);
}

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

.page-faq .faq-item__a {
  padding: 0 0 clamp(18px, 2.8vw, 26px) 36px;
  color: rgba(244, 247, 245, .78);
  font-size: 15px;
  line-height: 1.78;
}

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

.page-faq .faq-item__a a {
  color: var(--screen);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .faq-item__a a:hover {
  color: var(--amber-light);
}

@media (prefers-reduced-motion: no-preference) {
  .page-faq .faq-item[open] .faq-item__a {
    animation: faqDrop .28s var(--ease) both;
  }
}

@keyframes faqDrop {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============ 底部联络 ============ */
.page-faq .faq-help {
  padding-block: 0 clamp(52px, 9vw, 104px);
}

.page-faq .faq-help__panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  overflow: hidden;
  border-radius: var(--faq-r-lg);
  background: linear-gradient(160deg, var(--pitch-mid) 0%, var(--pitch-deep) 78%);
  box-shadow: var(--shadow);
}

.page-faq .faq-help__figure {
  position: relative;
  min-height: 200px;
  overflow: hidden;
}

.page-faq .faq-help__figure img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.4) contrast(1.06);
  opacity: .48;
}

.page-faq .faq-help__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 59, 46, .25), var(--pitch-mid) 100%);
}

.page-faq .faq-help__text {
  padding: clamp(26px, 4.4vw, 48px);
}

.page-faq .faq-help__text .eyebrow {
  margin: 0 0 12px;
  color: var(--amber);
}

.page-faq .faq-help__text h2 {
  margin: 0 0 16px;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.24;
  font-weight: 700;
  letter-spacing: -.015em;
}

.page-faq .faq-help__text > p {
  margin: 0 0 26px;
  max-width: 56ch;
  color: rgba(244, 247, 245, .8);
  font-size: 15px;
  line-height: 1.8;
}

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

/* ============ 平板及以上 ============ */
@media (min-width: 720px) {
  .page-faq .faq-help__panel {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: stretch;
  }

  .page-faq .faq-help__figure {
    min-height: 100%;
  }

  .page-faq .faq-help__figure::after {
    background: linear-gradient(90deg, rgba(11, 59, 46, .2) 0%, var(--pitch-deep) 100%);
  }
}

/* ============ 桌面：粘性目录 ============ */
@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: 238px minmax(0, 1fr);
    align-items: start;
    gap: clamp(30px, 4.4vw, 58px);
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-faq .faq-toc__title {
    margin-bottom: 10px;
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
    border-left: 1px solid var(--faq-line);
  }

  .page-faq .faq-toc__link {
    display: flex;
    white-space: normal;
    width: 100%;
    min-height: 44px;
    padding: 11px 14px;
    margin-left: -1px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    line-height: 1.45;
  }

  .page-faq .faq-toc__link:hover {
    color: var(--white);
    border-left-color: var(--amber);
    background: linear-gradient(90deg, rgba(242, 169, 59, .14), transparent 74%);
  }

  .page-faq .faq-item__a {
    padding-left: 40px;
    max-width: 68ch;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>
