.page-faq {
  --faq-accent-gap: clamp(20px, 3vw, 36px);
}

/* ---------- 面包屑与首屏 ---------- */
.page-faq .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
}

.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 4vw, 40px) 0 clamp(36px, 6vw, 64px);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -10% -5% 34% -5%;
  background: linear-gradient(158deg, rgba(14, 36, 29, 0.95) 0%, rgba(5, 16, 13, 0) 68%);
  clip-path: polygon(0 0, 100% 0, 100% 78%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(14px, 2.4vw, 24px);
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-size: clamp(34px, 6.4vw, 58px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--text-strong);
  max-width: 20ch;
}

.page-faq .faq-hero__side {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-faq .faq-hero__side .lede {
  margin: 0;
  max-width: 46ch;
}

.page-faq .faq-hero__figure {
  margin-top: clamp(24px, 4vw, 48px);
  position: relative;
}

.page-faq .faq-hero__figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: var(--r);
  border: 1px solid var(--hair);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    column-gap: clamp(28px, 5vw, 72px);
  }

  .page-faq .faq-hero__inner .kicker {
    grid-column: 1 / -1;
  }

  .page-faq .faq-hero h1 {
    grid-column: 1;
  }

  .page-faq .faq-hero__side {
    grid-column: 2;
    padding-bottom: 6px;
  }
}

/* ---------- 口径速查 ---------- */
.page-faq .faq-quickref__grid {
  row-gap: var(--faq-accent-gap);
}

.page-faq .faq-quickref__grid .col-8,
.page-faq .faq-quickref__grid .col-4 {
  min-width: 0;
}

.page-faq .faq-quickref__table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--panel);
  border: 1px solid var(--hair);
  border-radius: var(--r);
  overflow: hidden;
}

.page-faq .faq-quickref__table thead th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  border-bottom: 1px solid var(--hair);
  background: rgba(10, 24, 21, 0.7);
}

.page-faq .faq-quickref__table tbody th,
.page-faq .faq-quickref__table tbody td {
  padding: 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--hair);
  line-height: 1.65;
}

.page-faq .faq-quickref__table tbody tr:last-child th,
.page-faq .faq-quickref__table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-quickref__table tbody th {
  font-weight: 700;
  color: var(--text-strong);
  white-space: nowrap;
}

.page-faq .faq-quickref__table tbody td {
  color: var(--text);
}

.page-faq .faq-quickref__table tbody tr:nth-child(1) th {
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-faq .faq-quickref__table tbody tr:nth-child(2) th {
  box-shadow: inset 3px 0 0 var(--amber);
}

.page-faq .faq-quickref__table tbody tr:nth-child(3) th {
  box-shadow: inset 3px 0 0 var(--mag-b);
}

.page-faq .faq-quickref__figure {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border: 1px solid var(--hair);
  border-radius: var(--r);
}

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

.page-faq .faq-quickref__figure .media-frame__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 12px;
  font-size: 12px;
  color: var(--muted);
  background: linear-gradient(180deg, rgba(5, 16, 13, 0) 0%, rgba(5, 16, 13, 0.92) 60%);
}

.page-faq .faq-quickref__figure {
  position: relative;
}

@media (min-width: 900px) {
  .page-faq .faq-quickref__figure {
    aspect-ratio: auto;
    height: 100%;
    min-height: 240px;
  }
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  min-width: 0;
}

.page-faq .faq-index__sticky {
  position: sticky;
  top: 96px;
}

.page-faq .faq-index__annot {
  margin: 0 0 16px;
  color: var(--muted);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-left: 2px solid var(--hair);
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.4;
  transition: border-color 220ms var(--ease), color 220ms var(--ease), background-color 220ms var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(56, 244, 206, 0.07);
  color: var(--text-strong);
  outline: none;
}

.page-faq .faq-index__link:focus-visible {
  box-shadow: 0 0 0 1px var(--cyan);
}

.page-faq .faq-index__count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  flex: none;
}

@media (max-width: 899px) {
  .page-faq .faq-index__sticky {
    position: static;
  }

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

  .page-faq .faq-index__list {
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }

  .page-faq .faq-index__link {
    border-left: 0;
    border-bottom: 2px solid var(--hair);
    white-space: nowrap;
    padding: 8px 12px;
  }

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

/* ---------- 问答分组 ---------- */
.page-faq .faq-list {
  min-width: 0;
}

.page-faq .faq-group {
  margin-bottom: clamp(40px, 6vw, 72px);
  scroll-margin-top: 110px;
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hair);
}

.page-faq .faq-group__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--amber);
  flex: none;
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(21px, 2.6vw, 27px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-strong);
}

/* ---------- 手风琴条目 ---------- */
.page-faq .faq-item {
  background: var(--panel);
  border: 1px solid var(--hair);
  border-radius: var(--r);
  margin-bottom: 10px;
  transition: border-color 240ms var(--ease), background-color 240ms var(--ease);
}

.page-faq .faq-item:hover {
  border-color: #2a3c35;
}

.page-faq .faq-item[open] {
  border-color: rgba(56, 244, 206, 0.36);
  background: var(--panel-2);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 17px 20px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--text-strong);
}

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

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

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--amber);
  transition: color 220ms var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
  color: var(--cyan);
}

.page-faq .faq-item__q:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 1px var(--cyan);
  border-radius: var(--r);
}

.page-faq .faq-item__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  padding-top: 2px;
}

.page-faq .faq-item__a {
  padding: 0 20px 20px 44px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.78;
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  max-width: 62ch;
}

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

.page-faq .faq-item__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 244, 206, 0.42);
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  border-bottom-color: var(--cyan);
  outline: none;
}

@media (max-width: 599px) {
  .page-faq .faq-item__a {
    padding-left: 20px;
  }
}

/* ---------- 联系引导 ---------- */
.page-faq .faq-group--contact .faq-group__head {
  border-bottom-color: rgba(255, 162, 58, 0.3);
}

.page-faq .faq-contact {
  background: linear-gradient(150deg, rgba(14, 36, 29, 0.95) 0%, rgba(16, 22, 20, 0.92) 62%);
  border: 1px solid var(--hair);
  border-left: 3px solid var(--amber);
  border-radius: var(--r);
  padding: clamp(22px, 3.4vw, 34px);
}

.page-faq .faq-contact__lede {
  margin: 0 0 22px;
  max-width: 56ch;
  color: var(--text-strong);
  font-size: 17px;
  line-height: 1.7;
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-contact__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hair);
}

.page-faq .faq-contact__k {
  flex: none;
  min-width: 68px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-faq .faq-contact__v {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
  word-break: break-word;
}

.page-faq .faq-contact .btn-row {
  margin: 0;
}

/* ---------- 全局小修 ---------- */
.page-faq .section__head {
  margin-bottom: clamp(24px, 3.6vw, 40px);
}

.page-faq .section__head .lede {
  max-width: 66ch;
}

.page-faq .section__head a,
.page-faq .faq-hero__side .lede a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 244, 206, 0.42);
}

.page-faq .section__head a:hover,
.page-faq .section__head a:focus-visible {
  border-bottom-color: var(--cyan);
  outline: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-item,
  .page-faq .faq-item__q::after {
    transition: none;
  }
}