.page-faq {
  --faq-card-bg: rgba(255, 255, 255, .66);
  --faq-line: var(--paper-300);
  --faq-soft: rgba(157, 181, 170, .1);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 3vw, 26px) 0 clamp(34px, 5vw, 64px);
  color: var(--paper);
  background:
    radial-gradient(130% 96% at 84% 6%, var(--ink-800) 0%, var(--ink-900) 58%, var(--ink-900) 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -40% 45%;
  height: 260px;
  background: repeating-linear-gradient(115deg, transparent 0 22px, rgba(226, 58, 46, .16) 22px 24px);
  transform: rotate(-4deg);
  pointer-events: none;
}

.page-faq .faq-hero__crumb {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(14px, 3vw, 26px);
}

.page-faq .faq-hero__crumb .breadcrumb__link,
.page-faq .faq-hero__crumb .breadcrumb__item span {
  color: var(--mist);
  font-size: .8rem;
}

.page-faq .faq-hero__crumb .breadcrumb__item:last-child span {
  color: var(--paper-300);
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(22px, 4vw, 46px);
  align-items: center;
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--amber-500);
}

.page-faq h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 5.4vw, 50px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 0 0 22px;
  max-width: 42em;
  font-size: clamp(.94rem, 1.4vw, 1.02rem);
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

.page-faq .faq-hero__quick {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__quick li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 12px;
  border: 1px solid var(--edge);
  border-left: 3px solid var(--red-500);
  border-radius: var(--radius-sm);
  background: var(--faq-soft);
}

.page-faq .faq-hero__quick-key {
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-faq .faq-hero__quick-val {
  font-size: .92rem;
  font-weight: 700;
  color: var(--amber-500);
}

.page-faq .faq-hero__media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--edge);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-faq .faq-hero__tag {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .04em;
  color: var(--paper);
  background: rgba(14, 42, 36, .82);
  border: 1px solid var(--edge);
}

/* 分类索引 + 问答 */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-faq .faq-index__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--red-500);
}

.page-faq .faq-index__bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
}

.page-faq .filter-btn {
  flex: 0 0 auto;
  padding: 9px 14px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-ink);
  font-size: .86rem;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .filter-btn:hover {
  border-color: var(--red-500);
  color: var(--red-600);
}

.page-faq .filter-btn[aria-pressed="true"] {
  background: var(--red-500);
  border-color: var(--red-500);
  color: var(--paper);
}

.page-faq .faq-index__note {
  margin: 14px 0 0;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--ink-600);
}

.page-faq .faq-index__note a {
  color: var(--red-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

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

.page-faq .faq-group__title {
  position: relative;
  margin: 0 0 12px;
  padding-left: 12px;
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--ink-900);
}

.page-faq .faq-group__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: .18em;
  bottom: .18em;
  width: 4px;
  border-radius: 2px;
  background: var(--red-500);
}

.page-faq .faq-item {
  margin-bottom: 10px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-sm);
  background: var(--faq-card-bg);
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

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

.page-faq .faq-item[open] {
  border-color: var(--red-500);
  box-shadow: 0 14px 30px -26px rgba(0, 0, 0, .9);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  font-weight: 700;
  font-size: .95rem;
  line-height: 1.5;
  color: var(--text-ink);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--red-500);
}

.page-faq .faq-item[open] .faq-item__summary::after {
  content: "−";
  color: var(--red-600);
}

.page-faq .faq-item__body {
  padding: 0 16px 16px;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--text-ink);
}

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

.page-faq .faq-item__body a {
  color: var(--red-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 三步查排名 */
.page-faq .faq-steps-section {
  background: linear-gradient(180deg, var(--ink-850) 0%, var(--ink-900) 100%);
  color: var(--paper);
}

.page-faq .faq-steps-section .section-head__title {
  color: var(--paper);
}

.page-faq .faq-steps-section .section-head__lede {
  color: var(--mist);
}

.page-faq .faq-steps {
  position: relative;
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  padding: 20px 18px 22px;
  border: 1px solid var(--edge);
  border-top: 3px solid var(--amber-500);
  border-radius: var(--radius);
  background: var(--faq-soft);
}

.page-faq .faq-step__num {
  display: block;
  margin-bottom: 8px;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--amber-500);
}

.page-faq .faq-step__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--edge);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 12 / 7;
}

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  font-size: .78rem;
  line-height: 1.7;
  color: var(--mist);
  background: rgba(20, 59, 50, .7);
  border-top: 1px solid var(--edge);
}

/* 联系客服 */
.page-faq .faq-contact__layout {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
}

.page-faq .faq-contact__panel {
  padding: 20px;
  border: 1px solid var(--faq-line);
  border-left: 4px solid var(--red-500);
  border-radius: var(--radius-sm);
  background: var(--faq-card-bg);
}

.page-faq .faq-contact__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact__item {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--faq-line);
}

.page-faq .faq-contact__item:first-child {
  padding-top: 0;
}

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--ink-600);
}

.page-faq .faq-contact__value {
  font-size: .94rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--text-ink);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact__copy {
  justify-self: start;
  margin-top: 4px;
}

.page-faq .faq-contact__hint {
  margin: 16px 0 0;
  font-size: .84rem;
  color: var(--ink-600);
}

.page-faq .faq-contact__hint a {
  color: var(--red-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-contact__legal {
  margin: 16px 0 0;
  font-size: .8rem;
  color: var(--ink-600);
}

.page-faq .faq-contact__legal a {
  color: var(--red-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 720px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-steps::before {
    content: "";
    position: absolute;
    top: 46px;
    left: 14%;
    right: 14%;
    height: 2px;
    background: linear-gradient(90deg, var(--red-500), var(--amber-500), var(--grass-500));
    opacity: .45;
    z-index: 0;
  }

  .page-faq .faq-step {
    z-index: 1;
  }

  .page-faq .faq-contact__layout {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 24px;
  }

  .page-faq .faq-index__bar {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .filter-btn {
    width: 100%;
    text-align: left;
    white-space: normal;
  }
}

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