.page-faq {
  --faq-card: rgba(8, 32, 29, 0.55);
  --faq-card-strong: rgba(8, 32, 29, 0.88);
  --faq-turf-wash: rgba(31, 111, 92, 0.26);
  background: var(--ink-green);
  color: var(--cool-white);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 5.5vw, 58px) 0 clamp(34px, 6.5vw, 74px);
  border-bottom: 1px solid var(--line-gold);
  background:
    radial-gradient(118% 96% at 92% 2%, rgba(31, 111, 92, 0.5), transparent 62%),
    radial-gradient(80% 70% at 2% 104%, rgba(216, 178, 106, 0.11), transparent 62%),
    var(--ink-green);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -14%;
  width: 66%;
  height: 168%;
  z-index: -1;
  pointer-events: none;
  transform: skewY(-6deg);
  background-image:
    repeating-linear-gradient(74deg, rgba(216, 178, 106, 0.12) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(-14deg, rgba(216, 178, 106, 0.07) 0 1px, transparent 1px 44px);
}

.page-faq .faq-hero .eyebrow {
  display: block;
  margin-top: clamp(18px, 3vw, 28px);
  color: var(--sand-gold);
}

.page-faq .faq-hero__title {
  margin: clamp(10px, 1.6vw, 16px) 0 0;
  max-width: 18ch;
  font-size: clamp(29px, 6vw, 58px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__lead {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.88;
  color: var(--pale-gold);
}

.page-faq .faq-index {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: clamp(24px, 4vw, 38px);
}

.page-faq .faq-index__item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 15px 9px 12px;
  border: 1px solid var(--line-gold);
  border-radius: 16px 5px 16px 5px;
  background: var(--faq-card);
  color: var(--cool-white);
  font-size: 14px;
  line-height: 1.2;
  text-decoration: none;
  transition:
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-faq .faq-index__item:hover {
  border-color: var(--line-gold-strong);
  background: var(--faq-turf-wash);
  transform: translateY(-2px);
}

.page-faq .faq-index__item:focus-visible {
  outline: 2px solid var(--sand-gold);
  outline-offset: 2px;
}

.page-faq .faq-index__no {
  color: var(--sand-gold);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* ---------- 分组骨架 ---------- */
.page-faq .faq-group {
  padding: clamp(36px, 6.4vw, 78px) 0;
  border-bottom: 1px solid var(--line-gold);
  scroll-margin-top: 92px;
}

.page-faq .faq-group--turf {
  background:
    linear-gradient(160deg, var(--faq-turf-wash), transparent 58%),
    var(--ink-green);
}

.page-faq .faq-group--deep {
  background: var(--night-green);
}

.page-faq .faq-group--closing {
  border-bottom: 0;
  background:
    linear-gradient(150deg, rgba(228, 130, 58, 0.16), transparent 58%),
    var(--night-green);
}

.page-faq .faq-group__inner {
  display: grid;
  gap: clamp(22px, 4vw, 34px);
}

.page-faq .faq-group__head {
  position: relative;
  padding-left: 18px;
}

.page-faq .faq-group__head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--sand-gold), rgba(216, 178, 106, 0.08));
}

.page-faq .faq-group__no {
  display: block;
  color: var(--sand-gold);
  font-size: clamp(13px, 1.5vw, 15px);
  letter-spacing: 0.22em;
}

.page-faq .faq-group__title {
  margin: 8px 0 0;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.01em;
}

.page-faq .faq-group__note {
  margin: 10px 0 0;
  color: var(--gray-green);
  font-size: 14.5px;
  line-height: 1.82;
}

.page-faq .faq-group__body {
  display: grid;
  gap: clamp(18px, 3vw, 26px);
  min-width: 0;
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  position: relative;
  border-left: 2px solid var(--line-gold);
  border-radius: 0 18px 5px 0;
  background: var(--faq-card);
  transition:
    border-left-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-faq .faq-item:hover {
  border-left-color: var(--line-gold-strong);
  background: var(--faq-turf-wash);
}

.page-faq .faq-item[open] {
  border-left-color: var(--sand-gold);
  background: var(--faq-card-strong);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px clamp(15px, 2.4vw, 24px);
  list-style: none;
  cursor: pointer;
  color: var(--cool-white);
  font-size: clamp(15.5px, 1.7vw, 17px);
  font-weight: 600;
  line-height: 1.6;
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--sand-gold);
  outline-offset: 2px;
  border-radius: 4px;
}

.page-faq .faq-item__q:hover {
  color: var(--pale-gold);
}

.page-faq .faq-item__icon {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1px solid var(--line-gold-strong);
  border-radius: 50% 50% 50% 4px;
  transition:
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 8px;
  height: 1.5px;
  background: var(--sand-gold);
  transform: translate(-50%, -50%);
  transition:
    transform var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-faq .faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__icon {
  border-color: var(--sand-gold);
  background: var(--sand-gold);
}

.page-faq .faq-item[open] .faq-item__icon::before,
.page-faq .faq-item[open] .faq-item__icon::after {
  background: var(--ink-green);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-faq .faq-item__a {
  padding: 0 clamp(15px, 2.4vw, 24px) 18px;
}

.page-faq .faq-item__a p {
  margin: 0;
  padding-top: 13px;
  border-top: 1px dashed var(--line-gold);
  color: var(--pale-gold);
  font-size: 15px;
  line-height: 1.9;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--line-gold);
  border-radius: 20px 6px 20px 6px;
  overflow: hidden;
  background: var(--night-green);
}

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

.page-faq .faq-figure--portrait img {
  object-position: center top;
}

.page-faq .faq-figure__cap {
  display: block;
  padding: 11px 16px 13px;
  border-top: 1px solid var(--line-gold);
  color: var(--gray-green);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.72;
  letter-spacing: 0.01em;
}

/* ---------- 收口组 ---------- */
.page-faq .faq-closing__lead {
  margin: 0;
  max-width: 66ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: var(--pale-gold);
}

.page-faq .faq-closing__meta {
  margin: 0;
  padding: 12px 16px;
  border: 1px dashed var(--line-gold);
  border-radius: 12px 4px 12px 4px;
  color: var(--sand-gold);
  font-size: 13px;
  line-height: 1.7;
  word-break: break-word;
}

.page-faq .faq-links {
  display: grid;
  gap: 11px;
}

.page-faq .faq-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--line-gold);
  border-radius: 16px 5px 16px 5px;
  background: var(--faq-card);
  color: var(--cool-white);
  text-decoration: none;
  transition:
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-faq .faq-link:hover {
  border-color: var(--sand-gold);
  background: var(--faq-turf-wash);
  transform: translateY(-2px);
}

.page-faq .faq-link:focus-visible {
  outline: 2px solid var(--sand-gold);
  outline-offset: 2px;
}

.page-faq .faq-link__title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-faq .faq-link__desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray-green);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-faq .faq-figure--portrait {
    max-width: 430px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-group__inner {
    grid-template-columns: minmax(200px, 268px) minmax(0, 1fr);
    gap: clamp(34px, 5vw, 76px);
    align-items: start;
  }

  .page-faq .faq-group__head {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-item__q {
    padding: 18px clamp(18px, 2.4vw, 26px);
  }

  .page-faq .faq-item__a {
    padding: 0 clamp(18px, 2.4vw, 26px) 20px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__title {
    max-width: 20ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__item,
  .page-faq .faq-item,
  .page-faq .faq-item__icon,
  .page-faq .faq-item__icon::before,
  .page-faq .faq-item__icon::after,
  .page-faq .faq-link {
    transition: none;
  }

  .page-faq .faq-index__item:hover,
  .page-faq .faq-link:hover {
    transform: none;
  }
}