.page-faq {
  --faq-gap: clamp(18px, 2.4vw, 34px);
  --faq-index-w: 232px;
  padding-bottom: clamp(48px, 8vw, 108px);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(30, 53, 82, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 53, 82, 0.55) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 82%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 82%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset-inline-end: 0;
  bottom: 0;
  width: min(52%, 520px);
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--c-blue) 45%, var(--c-green));
  z-index: 1;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: clamp(26px, 5vw, 62px);
  padding-bottom: clamp(30px, 5vw, 58px);
}

.page-faq .faq-hero__kicker {
  display: block;
  color: var(--c-blue-soft);
  margin-bottom: clamp(12px, 1.6vw, 20px);
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(46px, 10vw, 108px);
  line-height: 0.94;
  letter-spacing: -0.045em;
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  color: var(--c-paper);
}

.page-faq .faq-hero__lede {
  max-width: 62ch;
  margin: 0;
}

.page-faq .faq-hero__figures {
  display: grid;
  gap: clamp(14px, 2vw, 26px);
  align-items: end;
  margin-top: clamp(26px, 4vw, 46px);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-figure {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}

.page-faq .faq-figure__num {
  font-family: var(--font-score);
  font-weight: 900;
  font-size: clamp(58px, 12vw, 118px);
  line-height: 0.8;
  letter-spacing: -0.05em;
  color: var(--c-orange);
}

.page-faq .faq-figure__cap {
  color: var(--c-muted);
  max-width: 16ch;
}

.page-faq .faq-hero__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
  max-width: 46ch;
}

@media (min-width: 860px) {
  .page-faq .faq-hero__figures {
    grid-template-columns: auto minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
  }
}

/* ---------- 快速自查 ---------- */
.page-faq .faq-quick {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
  padding-top: clamp(34px, 6vw, 72px);
}

@media (min-width: 900px) {
  .page-faq .faq-quick {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }
}

.page-faq .faq-quick__intro {
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 28px);
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  background: var(--c-table);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-soft);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-faq .faq-step:hover {
  border-color: var(--c-blue);
  transform: translateY(-3px);
}

.page-faq .faq-step__num {
  font-family: var(--font-label);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--c-orange);
  padding-top: 3px;
}

.page-faq .faq-step__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  color: var(--c-paper);
}

.page-faq .faq-step__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-faq .faq-copy {
  align-self: flex-start;
}

.page-faq .faq-quick__media {
  margin: 0;
}

.page-faq .faq-quick__media .media__img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  border: 1px solid var(--c-line);
  object-fit: cover;
  box-shadow: var(--shadow-card);
}

.page-faq .faq-quick__media .media__cap {
  display: block;
  margin-top: 10px;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-muted);
  line-height: 1.7;
}

/* ---------- 斜切分隔 ---------- */
.page-faq .faq-slash {
  height: 1px;
  margin-top: clamp(36px, 6vw, 70px);
  background: linear-gradient(90deg, var(--c-line) 0%, var(--c-blue) 38%, transparent 100%);
  transform: skewY(-0.6deg);
  transform-origin: left center;
}

/* ---------- 索引 + 问答 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
  padding-top: clamp(30px, 5vw, 56px);
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 64px);
  }
  .page-faq .faq-index {
    position: sticky;
    top: 108px;
  }
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 2px;
  color: var(--c-muted);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.6;
  transition: color 0.2s var(--ease), padding-left 0.22s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--c-paper);
  padding-left: 10px;
}

.page-faq .faq-index__num {
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-blue-soft);
}

.page-faq .faq-index__tip {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-muted);
}

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

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 108px;
  margin-bottom: clamp(38px, 5.5vw, 64px);
}

.page-faq .faq-group__head {
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-faq .faq-group__lede {
  margin: 10px 0 0;
  max-width: 56ch;
}

/* ---------- 可展开问答 ---------- */
.page-faq .faq-item {
  background: var(--c-table);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: var(--c-blue);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-item summary {
  display: block;
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 18px 56px 16px 20px;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 16px;
  font-family: var(--font-label);
  font-size: 22px;
  line-height: 1;
  color: var(--c-blue);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  color: var(--c-orange);
}

.page-faq .faq-item summary:hover::after {
  color: var(--c-green);
}

.page-faq .faq-item__q {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.55;
  color: var(--c-paper);
  letter-spacing: -0.01em;
}

.page-faq .faq-item__tags {
  display: block;
  margin-top: 10px;
}

.page-faq .faq-item__a {
  padding: 4px 20px 22px;
  font-size: 14px;
  line-height: 1.82;
  color: var(--c-muted);
  border-top: 1px dashed var(--c-line);
  margin-top: 4px;
  padding-top: 16px;
}

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

.page-faq .faq-item__a ol {
  list-style: none;
  counter-reset: faq-step;
  margin: 0 0 14px;
  padding: 0;
}

.page-faq .faq-item__a li {
  position: relative;
  counter-increment: faq-step;
  padding-left: 36px;
  margin-bottom: 10px;
}

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

.page-faq .faq-item__a li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-blue-soft);
}

.page-faq .faq-note {
  margin: 14px 0 0;
  padding: 12px 14px;
  border-left: 3px solid var(--c-green);
  background: rgba(184, 255, 60, 0.07);
  border-radius: 12px;
  color: var(--c-paper);
  font-size: 13.5px;
  line-height: 1.78;
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-support {
  padding-top: clamp(30px, 5vw, 52px);
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

@media (min-width: 900px) {
  .page-faq .faq-support {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(28px, 4vw, 56px);
  }
}

.page-faq .faq-support__media {
  margin: 0;
}

.page-faq .faq-support__media .media__img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  border: 1px solid var(--c-line);
  object-fit: cover;
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-support__media .media__cap {
  display: block;
  margin-top: 10px;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-muted);
  line-height: 1.7;
}

.page-faq .faq-support__body .section-title {
  margin-bottom: 14px;
}

.page-faq .faq-send {
  list-style: none;
  margin: clamp(18px, 2.6vw, 26px) 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-send li {
  display: grid;
  gap: 4px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--c-line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-faq .faq-send__k {
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-blue-soft);
}

@media (min-width: 620px) {
  .page-faq .faq-send li {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.page-faq .faq-support__meta {
  margin: clamp(18px, 2.4vw, 24px) 0 0;
  font-size: 13.5px;
  line-height: 1.82;
  color: var(--c-muted);
}

.page-faq .faq-support__meta .label {
  display: block;
  margin-bottom: 6px;
  color: var(--c-green);
}

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

/* ---------- 窄屏保护 ---------- */
@media (max-width: 619px) {
  .page-faq .faq-item summary {
    padding: 16px 48px 14px 16px;
  }
  .page-faq .faq-item summary::after {
    right: 16px;
  }
  .page-faq .faq-item__a {
    padding-left: 16px;
    padding-right: 16px;
  }
  .page-faq .faq-support__actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

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