.page-faq {
  --faq-cut: 12px;
  display: block;
}

/* ---------- HERO ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  padding: clamp(26px, 4.6vw, 58px) 0 clamp(20px, 3vw, 34px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero .lede {
  margin-top: 16px;
  max-width: 58ch;
  color: var(--body-soft);
}

.page-faq .faq-hero__panel {
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  background:
    linear-gradient(160deg, rgba(255, 90, 31, 0.10) 0%, rgba(0, 224, 198, 0.05) 55%, rgba(19, 19, 19, 0) 100%),
    var(--ink-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .faq-hero__panel-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--scan);
}

.page-faq .faq-hero__panel-num {
  margin: 10px 0 16px;
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.6vw, 44px);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-faq .faq-hero__panel-num span {
  margin: 0 5px;
  color: var(--scan);
}

.page-faq .faq-hero__panel-list {
  list-style: none;
  margin: 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 9px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--body-soft);
}

.page-faq .faq-hero__panel-list li {
  position: relative;
  padding-left: 17px;
}

.page-faq .faq-hero__panel-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  background: var(--fox);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

/* ---------- 分类跳转 ---------- */
.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: clamp(14px, 2.2vw, 22px) 0 clamp(2px, 1vw, 8px);
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.014);
  color: var(--body-soft);
  font-size: 14px;
  line-height: 1.2;
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: border-color 0.22s var(--ease), color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  border-color: var(--cyan);
  background: rgba(0, 224, 198, 0.07);
  color: var(--cream);
  outline: none;
}

.page-faq .faq-jump__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fox);
}

/* ---------- 区块 ---------- */
.page-faq .faq-block {
  padding: clamp(30px, 4.4vw, 56px) 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--bar-h) + 16px);
}

.page-faq .faq-block > .section__head {
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.page-faq .faq-block__intro {
  margin: 10px 0 0;
  max-width: 70ch;
  color: var(--body-soft);
  font-size: 16px;
  line-height: 1.78;
}

.page-faq .faq-block__grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-faq .faq-block__aside {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  align-content: start;
}

.page-faq .faq-block__list--stack {
  margin-top: clamp(22px, 3vw, 34px);
}

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

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: clamp(14px, 2vw, 20px);
  display: grid;
  gap: 13px;
  border: 1px solid var(--line);
  background: var(--ink-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 15px;
  line-height: 1.72;
  color: var(--body-soft);
}

.page-faq .faq-steps__n {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--fox);
}

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

/* ---------- 问答列表 ---------- */
.page-faq .faq-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.page-faq .faq-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  grid-template-areas:
    "num q"
    "num panel";
  column-gap: clamp(10px, 1.6vw, 18px);
  padding: clamp(14px, 2vw, 20px) 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.22s var(--ease);
}

.page-faq .faq-item:hover {
  background: rgba(255, 255, 255, 0.014);
}

.page-faq .faq-item__num {
  grid-area: num;
  position: relative;
  padding: 14px 0 0 15px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--scan);
}

.page-faq .faq-item__num::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 8px;
  height: 8px;
  background: var(--fox);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  transition: background 0.22s var(--ease);
}

.page-faq .faq-item:hover .faq-item__num::before,
.page-faq .faq-item:focus-within .faq-item__num::before {
  background: var(--cyan);
}

.page-faq .faq-item__q {
  grid-area: q;
  margin: 0;
  min-width: 0;
}

.page-faq .faq-item__trigger {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  margin: 0;
  padding: 12px 0 0;
  background: none;
  border: 0;
  color: var(--cream);
  font-family: var(--font-body);
  font-size: clamp(16px, 1.5vw, 17.5px);
  font-weight: 600;
  line-height: 1.55;
  text-align: left;
  cursor: pointer;
  transition: color 0.22s var(--ease);
}

.page-faq .faq-item__trigger > span:first-child {
  min-width: 0;
}

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

.page-faq .faq-item__trigger:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 4px;
}

.page-faq .faq-item__chev {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: 7px;
  border-right: 1.5px solid var(--fox);
  border-bottom: 1.5px solid var(--fox);
  transform: rotate(45deg);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

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

.page-faq .faq-item__panel {
  grid-area: panel;
  padding: 10px 0 6px;
  max-width: 66ch;
  color: var(--body-soft);
  font-size: 15.5px;
  line-height: 1.78;
}

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

.page-faq .faq-item__panel a {
  color: var(--cyan-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* ---------- 时间线 ---------- */
.page-faq .timeline {
  padding: clamp(6px, 1vw, 12px) 0 clamp(2px, 1vw, 8px);
}

.page-faq .timeline .h3 {
  margin: 4px 0 6px;
}

.page-faq .timeline p {
  color: var(--body-soft);
  font-size: 15.5px;
  line-height: 1.75;
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-index__row a {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 24px;
  grid-template-areas:
    "num name go"
    "num desc go";
  align-items: center;
  column-gap: 12px;
  row-gap: 3px;
  padding: 14px 6px 14px 12px;
  border-left: 2px solid transparent;
  color: var(--cream);
  text-decoration: none;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-index__row a:hover,
.page-faq .faq-index__row a:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(0, 224, 198, 0.05);
  outline: none;
}

.page-faq .faq-index__num {
  grid-area: num;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--fox);
}

.page-faq .faq-index__name {
  grid-area: name;
  font-size: 16px;
  font-weight: 600;
  min-width: 0;
}

.page-faq .faq-index__desc {
  grid-area: desc;
  min-width: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--scan);
}

.page-faq .faq-index__go {
  grid-area: go;
  justify-self: end;
  color: var(--scan);
  transition: color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-faq .faq-index__row a:hover .faq-index__go,
.page-faq .faq-index__row a:focus-visible .faq-index__go {
  color: var(--cyan);
  transform: translateX(3px);
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-faq .faq-contact__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-contact__chips .copy-chip {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.01em;
}

.page-faq .faq-contact__note {
  margin: 0;
  max-width: 64ch;
  color: var(--body-soft);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-index__row a {
    grid-template-columns: 56px 210px minmax(0, 1fr) 28px;
    grid-template-areas: "num name desc go";
    row-gap: 0;
    column-gap: 18px;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.5fr) minmax(250px, 0.5fr);
    align-items: end;
  }

  .page-faq .faq-hero .lede {
    margin-top: 20px;
  }

  .page-faq .faq-block__grid {
    grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
    align-items: start;
  }

  .page-faq .faq-item {
    grid-template-columns: 52px minmax(0, 1fr);
    column-gap: 20px;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-jump {
    gap: 10px;
  }

  .page-faq .faq-jump__link {
    padding: 9px 18px;
    font-size: 14.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__trigger,
  .page-faq .faq-item__chev,
  .page-faq .faq-jump__link,
  .page-faq .faq-index__row a,
  .page-faq .faq-index__go {
    transition: none;
  }
}