.page-faq {
  --faq-radius-xl: 28px;
  --faq-radius-lg: 20px;
  --faq-radius-md: 12px;
  --faq-gold-soft: rgba(201, 162, 39, 0.16);
  --faq-cyan-soft: rgba(0, 229, 255, 0.10);
  padding-bottom: var(--space-7);
}

/* ===== Hero ===== */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background-color: var(--color-deep-blue);
  border-bottom: 1px solid var(--color-border);
}

.page-faq .faq-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-faq .faq-hero__img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: 0.30;
}

.page-faq .faq-hero__shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 27, 61, 0.88) 0%, rgba(11, 27, 61, 0.62) 55%, var(--color-deep-blue) 100%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: var(--space-4);
  padding-bottom: var(--space-6);
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: var(--space-4);
}

.page-faq .faq-hero__kicker {
  margin: var(--space-3) 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-cyan);
}

.page-faq .faq-hero h1 {
  margin: var(--space-2) 0 0;
  font-family: var(--font-heading);
  font-size: clamp(26px, 5vw, 42px);
  line-height: 1.18;
  letter-spacing: 0.01em;
  color: var(--color-light);
}

.page-faq .faq-hero__lead {
  max-width: 720px;
  margin: var(--space-3) 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-mist);
}

.page-faq .faq-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

/* ===== Search ===== */
.page-faq .faq-search {
  padding: var(--space-4) 0 0;
}

.page-faq .faq-search__box {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--faq-radius-lg);
  box-shadow: var(--shadow-1);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.page-faq .faq-search__box:focus-within {
  background: var(--color-surface-strong);
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.14), var(--shadow-1);
}

.page-faq .faq-search__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-mist);
  transition: color var(--transition-fast);
}

.page-faq .faq-search__box:focus-within .faq-search__icon {
  color: var(--color-cyan);
}

.page-faq .faq-search__input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-light);
  font-family: var(--font-body);
  font-size: 15px;
  caret-color: var(--color-cyan);
}

.page-faq .faq-search__input::placeholder {
  color: var(--color-mist);
  opacity: 0.68;
}

.page-faq .faq-search__input::-webkit-search-cancel-button {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background:
    linear-gradient(var(--color-mist), var(--color-mist)) 50% 50% / 12px 1px no-repeat,
    linear-gradient(var(--color-mist), var(--color-mist)) 50% 50% / 1px 12px no-repeat;
  cursor: pointer;
}

.page-faq .faq-search__total {
  flex-shrink: 0;
  padding: var(--space-1) var(--space-2);
  background: var(--color-surface-strong);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--color-gold);
}

/* ===== Layout ===== */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  padding-top: var(--space-5);
}

/* ===== Category ===== */
.page-faq .faq-category {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--faq-radius-xl);
  overflow: hidden;
  margin-bottom: var(--space-5);
  box-shadow: var(--shadow-1);
}

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

.page-faq .faq-category__head {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(120deg, rgba(201, 162, 39, 0.06), transparent 42%);
}

.page-faq .faq-category__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border-radius: var(--faq-radius-md);
  background: var(--faq-gold-soft);
  color: var(--color-gold);
}

.page-faq .faq-category__icon svg {
  width: 22px;
  height: 22px;
  stroke-width: 1.8;
}

.page-faq .faq-category__text {
  flex: 1;
  min-width: 0;
}

.page-faq .faq-category__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-cyan);
}

.page-faq .faq-category__text h2 {
  margin: var(--space-1) 0 0;
  font-family: var(--font-heading);
  font-size: 20px;
  line-height: 1.3;
  color: var(--color-light);
}

.page-faq .faq-category__text p {
  margin: var(--space-1) 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-mist);
}

.page-faq .faq-category__count {
  flex-shrink: 0;
  padding: var(--space-1) var(--space-2);
  background: var(--color-surface-strong);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--color-mist);
}

/* ===== FAQ Item（折叠） ===== */
.page-faq .faq-item {
  border-bottom: 1px solid var(--color-border);
}

.page-faq .faq-item:last-child {
  border-bottom: none;
}

.page-faq .faq-item[open] {
  background: linear-gradient(90deg, rgba(0, 229, 255, 0.045) 0%, rgba(122, 90, 248, 0.02) 55%, transparent 100%);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  cursor: pointer;
  list-style: none;
  transition: background var(--transition-fast);
}

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

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

.page-faq .faq-item__q:hover {
  background: rgba(255, 255, 255, 0.035);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: -2px;
  border-radius: var(--radius-sm);
}

.page-faq .faq-item__num {
  flex-shrink: 0;
  width: 28px;
  font-size: 12px;
  color: var(--color-gold);
  letter-spacing: 0.04em;
}

.page-faq .faq-item__title {
  flex: 1;
  min-width: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--color-light);
  transition: color var(--transition-fast);
}

.page-faq .faq-item[open] .faq-item__title {
  color: #FFFFFF;
}

.page-faq .faq-item__icon {
  flex-shrink: 0;
  position: relative;
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--color-mist);
  border-radius: 50%;
  transition: border-color var(--transition-fast), transform 240ms cubic-bezier(0.22, 1, 0.36, 1);
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--color-mist);
  transition: background var(--transition-fast);
}

.page-faq .faq-item__icon::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .faq-item__icon::after {
  width: 1.5px;
  height: 10px;
}

.page-faq .faq-item[open] .faq-item__icon {
  border-color: var(--color-cyan);
  transform: rotate(45deg);
}

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

.page-faq .faq-item__a {
  padding: 0 var(--space-4) var(--space-4) calc(var(--space-4) + 28px);
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-mist);
}

.page-faq .faq-item__a a {
  color: var(--color-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.page-faq .faq-item__a a:hover {
  border-color: var(--color-cyan);
  color: #66F0FF;
}

/* ===== Aside ===== */
.page-faq .faq-aside {
  min-width: 0;
}

.page-faq .faq-contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-gold);
  border-radius: var(--faq-radius-xl);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.30);
}

.page-faq .faq-contact-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-ink);
}

.page-faq .faq-contact-card__media img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  display: block;
}

.page-faq .faq-contact-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 38%, rgba(11, 27, 61, 0.65) 100%);
}

.page-faq .faq-contact-card__body {
  padding: var(--space-4);
}

.page-faq .faq-contact-card__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.page-faq .faq-contact-card__body h2 {
  margin: var(--space-1) 0 0;
  font-family: var(--font-heading);
  font-size: 22px;
  color: var(--color-light);
}

.page-faq .faq-contact-card__desc {
  margin: var(--space-2) 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--color-mist);
}

.page-faq .faq-contact-card__list {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
}

.page-faq .faq-contact-card__list li {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 13px;
}

.page-faq .faq-contact-card__list li:last-child {
  border-bottom: none;
}

.page-faq .faq-contact-card__label {
  flex-shrink: 0;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-mist);
}

.page-faq .faq-contact-card__value {
  text-align: right;
  line-height: 1.6;
  color: var(--color-light);
  word-break: break-all;
}

.page-faq .faq-contact-card .btn {
  margin-top: var(--space-4);
  width: 100%;
  justify-content: center;
}

/* ===== 延伸卡片 ===== */
.page-faq .faq-more {
  padding-top: var(--space-6);
}

.page-faq .faq-more__grid {
  margin-top: var(--space-4);
}

.page-faq .faq-more-card {
  position: relative;
  display: block;
  padding: var(--space-4);
  text-decoration: none;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.page-faq .faq-more-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold);
  box-shadow: var(--shadow-2);
}

.page-faq .faq-more-card__num {
  font-size: 12px;
  color: var(--color-cyan);
  letter-spacing: 0.06em;
}

.page-faq .faq-more-card h3 {
  margin: var(--space-2) 0 0;
  font-family: var(--font-heading);
  font-size: 17px;
  line-height: 1.4;
  color: var(--color-light);
  transition: color var(--transition-fast);
}

.page-faq .faq-more-card:hover h3 {
  color: var(--color-gold);
}

.page-faq .faq-more-card p {
  margin: var(--space-2) 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-mist);
}

/* ===== 平板端 ===== */
@media (min-width: 768px) {
  .page-faq .faq-hero__inner {
    padding-top: var(--space-6);
    padding-bottom: var(--space-7);
  }

  .page-faq .faq-hero h1 {
    font-size: 40px;
  }

  .page-faq .faq-hero__lead {
    font-size: 15px;
  }

  .page-faq .faq-search__box {
    padding: var(--space-4) var(--space-5);
  }

  .page-faq .faq-category__head {
    padding: var(--space-5) var(--space-5) var(--space-4);
  }

  .page-faq .faq-item__q {
    padding: var(--space-4) var(--space-5);
  }

  .page-faq .faq-item__a {
    padding: 0 var(--space-5) var(--space-4) calc(var(--space-5) + 28px);
  }

  .page-faq .faq-item__title {
    font-size: 16px;
  }

  .page-faq .faq-contact-card__body {
    padding: var(--space-5);
  }
}

/* ===== 桌面端 ===== */
@media (min-width: 992px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: start;
    gap: var(--space-6);
    padding-top: var(--space-6);
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 108px;
    z-index: 5;
  }

  .page-faq .faq-contact-card {
    border-radius: 24px;
  }

  .page-faq .faq-more__grid {
    gap: var(--space-4);
  }
}