.page-faq {
  --faq-num-fill: rgba(201, 162, 39, 0.07);
  --faq-num-stroke: rgba(201, 162, 39, 0.16);
  --faq-clip: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  --faq-clip-small: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  background: var(--c-bg);
  color: var(--c-light);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ===== Hero ===== */
.page-faq .faq-hero {
  position: relative;
  padding: 48px 0 48px;
  border-bottom: 1px solid var(--c-border);
  background:
    linear-gradient(180deg, rgba(201, 162, 39, 0.04), transparent 180px),
    var(--c-bg);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-gold) 0%, var(--c-blue) 100%);
  z-index: 2;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: -80px;
  width: 280px;
  height: 280px;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 6px,
    rgba(201, 162, 39, 0.06) 6px,
    rgba(201, 162, 39, 0.06) 7px
  );
  clip-path: polygon(0 0, 100% 0, 100% 100%, 30% 100%, 0 70%);
  pointer-events: none;
}

.page-faq .faq-hero__crumb {
  margin-bottom: 32px;
}

.page-faq .faq-hero__crumb-sep {
  margin: 0 8px;
  color: var(--c-muted);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 36px;
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__main {
  min-width: 0;
}

.page-faq .faq-hero__index {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.page-faq .faq-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-size: clamp(42px, 9vw, 68px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--c-light);
}

.page-faq .faq-hero__desc {
  margin: 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-muted);
  border-left: 3px solid var(--c-gold);
  padding-left: 16px;
}

.page-faq .faq-hero__note {
  margin: 20px 0 0;
  max-width: 680px;
  padding: 14px 16px;
  background: var(--c-dark);
  border-left: 3px solid var(--c-blue);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  align-self: end;
}

.page-faq .faq-hero__stat {
  min-width: 0;
  padding: 16px 10px;
  text-align: center;
  background: var(--c-dark);
  border: 1px solid var(--c-border);
  position: relative;
}

.page-faq .faq-hero__stat::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--c-gold);
}

.page-faq .faq-hero__stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(18px, 5vw, 28px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--c-gold-bright);
  white-space: nowrap;
}

.page-faq .faq-hero__stat-label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--c-muted);
}

/* ===== 快速定位筛选条 ===== */
.page-faq .faq-filter {
  position: sticky;
  top: var(--header-h);
  z-index: 30;
  background: rgba(10, 10, 10, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-border);
}

.page-faq .faq-filter__row {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding-top: 12px;
  padding-bottom: 12px;
  scrollbar-width: none;
}

.page-faq .faq-filter__row::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-filter__label {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-right: 4px;
}

.page-faq .faq-filter__link {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 14px;
  background: var(--c-dark);
  border: 1px solid var(--c-border);
  color: var(--c-light);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-filter__link:hover {
  border-color: var(--c-gold);
  color: var(--c-gold-bright);
  transform: translateY(-1px);
}

.page-faq .faq-filter__dot {
  width: 6px;
  height: 6px;
  background: var(--c-green);
  flex-shrink: 0;
}

/* ===== 通用区块 ===== */
.page-faq .faq-section {
  position: relative;
  padding: 56px 0;
  border-bottom: 1px solid var(--c-border);
  overflow: hidden;
}

.page-faq .faq-section::before {
  content: attr(data-index);
  position: absolute;
  top: 34px;
  right: -20px;
  font-family: var(--font-mono);
  font-size: clamp(96px, 16vw, 180px);
  font-weight: 900;
  line-height: 1;
  color: var(--faq-num-fill);
  -webkit-text-stroke: 1px var(--faq-num-stroke);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.page-faq .faq-section__head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 30px;
}

.page-faq .faq-section__num {
  flex-shrink: 0;
  padding: 8px 12px;
  background: var(--c-gold);
  color: var(--c-bg);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  clip-path: var(--faq-clip-small);
}

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

.page-faq .faq-section__tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 8px;
}

.page-faq .faq-section__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: clamp(26px, 4.5vw, 36px);
  font-weight: 900;
  line-height: 1.2;
  color: var(--c-light);
}

.page-faq .faq-section__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ===== 折叠列表 ===== */
.page-faq .faq-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  background: var(--c-dark);
  border: 1px solid var(--c-border);
  border-left: 3px solid var(--c-gold);
  transition: border-color 0.25s ease;
}

.page-faq .faq-item[open] {
  border-left-color: var(--c-gold-bright);
  border-color: #484848;
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-light);
  user-select: none;
}

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

.page-faq .faq-item__num {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-gold);
  border: 1px solid var(--c-border);
  padding: 3px 7px;
  line-height: 1;
}

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

.page-faq .faq-item__toggle {
  position: relative;
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  margin-left: auto;
}

.page-faq .faq-item__toggle::before,
.page-faq .faq-item__toggle::after {
  content: "";
  position: absolute;
  background: var(--c-gold);
  transition: transform 0.25s ease;
}

.page-faq .faq-item__toggle::before {
  left: 0;
  top: 5px;
  width: 12px;
  height: 2px;
}

.page-faq .faq-item__toggle::after {
  left: 5px;
  top: 0;
  width: 2px;
  height: 12px;
}

.page-faq .faq-item[open] .faq-item__toggle::after {
  transform: scaleY(0);
}

.page-faq .faq-item__a {
  padding: 0 16px 20px 48px;
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-item__a p {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--c-border);
  max-width: 64ch;
}

/* ===== 联系客服 ===== */
.page-faq .faq-contact {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 26px;
  margin-bottom: 30px;
}

.page-faq .faq-contact__media {
  margin: 0;
  background: var(--c-dark);
  border: 1px solid var(--c-border);
  overflow: hidden;
  clip-path: var(--faq-clip);
}

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

.page-faq .faq-hours {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 22px;
  padding: 24px;
  background: var(--c-dark);
  border: 1px solid var(--c-border);
}

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

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

.page-faq .faq-hours__title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 900;
  line-height: 1.3;
  color: var(--c-light);
}

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

.page-faq .faq-hours__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-faq .faq-hours__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--c-green);
}

/* ===== 收尾导航 ===== */
.page-faq .faq-next {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  padding: 40px 0 64px;
}

.page-faq .faq-next__link {
  display: block;
  padding: 24px;
  background: var(--c-dark);
  border: 1px solid var(--c-border);
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-next__link:hover {
  border-color: var(--c-gold-bright);
  background: #202020;
  transform: translateY(-2px);
}

.page-faq .faq-next__link--gold {
  border-color: var(--c-gold);
}

.page-faq .faq-next__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 10px;
}

.page-faq .faq-next__title {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 900;
  color: var(--c-light);
}

/* ===== 桌面端增强 ===== */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: 64px 0 56px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: 1fr 360px;
    align-items: end;
    gap: 48px;
  }

  .page-faq .faq-hero__desc {
    font-size: 17px;
  }

  .page-faq .faq-section {
    padding: 80px 0;
  }

  .page-faq .faq-section::before {
    right: -40px;
  }

  .page-faq .faq-item__q {
    padding: 20px 22px;
  }

  .page-faq .faq-item__a {
    padding: 0 22px 22px 54px;
  }

  .page-faq .faq-hours {
    grid-template-columns: 320px 1fr;
    gap: 30px;
    padding: 30px;
  }

  .page-faq .faq-next {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    padding: 48px 0 80px;
  }

  .page-faq .faq-next__link {
    padding: 30px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-contact {
    grid-template-columns: 380px 1fr;
    align-items: start;
    gap: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-filter__link,
  .page-faq .faq-item,
  .page-faq .faq-item__toggle::before,
  .page-faq .faq-item__toggle::after,
  .page-faq .faq-next__link {
    transition: none;
  }
}
