/* ===== FAQ 支持中心页面专属样式 ===== */
.page-faq {
  --faq-sidebar-width: 268px;
  background: var(--light);
}

/* 顶部封面区 */
.page-faq .faq-hero {
  position: relative;
  color: #fff;
  padding: clamp(2rem, 5vw, 4rem) 0 0;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 80% 10%, rgba(74, 144, 226, 0.32), transparent 46%),
    radial-gradient(ellipse at 8% 78%, rgba(212, 175, 55, 0.16), transparent 52%),
    linear-gradient(135deg, var(--space-blue) 0%, var(--sky-blue) 70%, #0d2344 100%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 2rem;
}

.page-faq .faq-hero__content {
  max-width: 720px;
}

.page-faq .faq-hero__title {
  margin: 0.7rem 0 1rem;
  font-size: clamp(1.9rem, 4.5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__title-main {
  display: block;
}

.page-faq .faq-hero__title-sub {
  display: block;
  margin-top: 0.65rem;
  font-size: clamp(1rem, 2vw, 1.45rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--gold-light);
  letter-spacing: 0;
}

.page-faq .faq-hero__lead {
  margin-bottom: 1.6rem;
  max-width: 60ch;
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
}

.page-faq .search-console {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  max-width: 560px;
  padding: 0.4rem 0.4rem 0.4rem 1rem;
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}

.page-faq .search-console__svg {
  flex-shrink: 0;
  color: var(--gold);
}

.page-faq .search-console__input {
  flex: 1;
  min-width: 0;
  padding: 0.55rem 0.3rem;
  border: 0;
  outline: none;
  background: transparent;
  color: #fff;
  font: inherit;
  font-size: 0.95rem;
}

.page-faq .search-console__input::placeholder {
  color: rgba(255, 255, 255, 0.55);
}

.page-faq .search-console__input::-webkit-search-cancel-button {
  -webkit-appearance: none;
}

.page-faq .search-console__btn {
  flex-shrink: 0;
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  background: var(--orange);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: default;
}

.page-faq .faq-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.2rem;
}

.page-faq .faq-hero__tag {
  padding: 0.32rem 0.85rem;
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-left: 3px solid var(--gold);
  background: rgba(212, 175, 55, 0.12);
  color: var(--gold-light);
  font-size: 0.8rem;
  line-height: 1.5;
  letter-spacing: 0.05em;
}

.page-faq .faq-hero__stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 0.5rem;
  padding: 1.1rem 1rem;
  border: 1px solid rgba(212, 175, 55, 0.28);
  background: rgba(255, 255, 255, 0.06);
}

.page-faq .faq-hero__stats::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  border-top: 18px solid var(--gold);
  border-left: 18px solid transparent;
}

.page-faq .faq-hero__stat {
  text-align: center;
}

.page-faq .faq-hero__num {
  display: block;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--gold-light);
}

.page-faq .faq-hero__unit {
  font-size: 0.72em;
  color: rgba(255, 255, 255, 0.8);
}

.page-faq .faq-hero__cap {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.7);
}

.page-faq .faq-hero__media {
  margin-top: clamp(2rem, 5vw, 3.5rem);
  overflow: hidden;
  border-top: 1px solid rgba(212, 175, 55, 0.4);
  clip-path: polygon(0 0, calc(100% - 44px) 0, 100% 44px, 100% 100%, 0 100%);
}

.page-faq .faq-hero__img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 240px;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.05);
}

/* 热门问题 */
.page-faq .faq-hot {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.page-faq .faq-hot__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-faq .faq-hot__card {
  position: relative;
  display: block;
  padding: 1.4rem 1.3rem 1.3rem;
  overflow: hidden;
  border: 1px solid var(--border);
  border-top: 3px solid var(--gold);
  background: #fff;
  color: var(--ink);
  box-shadow: 0 12px 28px rgba(16, 42, 76, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-faq .faq-hot__card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  border-top: 26px solid var(--gold);
  border-left: 26px solid transparent;
}

.page-faq .faq-hot__card:hover,
.page-faq .faq-hot__card:focus-visible {
  transform: translateY(-6px);
  outline: none;
  box-shadow: 0 20px 40px rgba(11, 29, 58, 0.16);
}

.page-faq .faq-hot__index {
  display: block;
  margin-bottom: 0.8rem;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-faq .faq-hot__q {
  display: block;
  margin-bottom: 0.55rem;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

.page-faq .faq-hot__a {
  display: block;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-hot__go {
  display: inline-block;
  margin-top: 0.9rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--tech-blue);
}

/* 分类解答 */
.page-faq .faq-categories {
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}

.page-faq .faq-tabs {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--space-blue);
  box-shadow: 0 24px 64px rgba(11, 29, 58, 0.28);
}

.page-faq .faq-tabs__sidebar {
  display: flex;
  gap: 0.35rem;
  padding: 0.9rem 0.9rem 0;
  overflow-x: auto;
  background: linear-gradient(180deg, var(--space-blue), var(--sky-blue));
  border-bottom: 1px solid rgba(212, 175, 55, 0.22);
}

.page-faq .faq-tabs__caption {
  display: none;
}

.page-faq .faq-tabs__btn {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.72rem 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.72);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.3s ease;
}

.page-faq .faq-tabs__btn[aria-selected="true"] {
  border-color: var(--gold);
  background: rgba(212, 175, 55, 0.14);
  color: #fff;
}

.page-faq .faq-tabs__svg {
  display: inline-flex;
  color: var(--gold);
}

.page-faq .faq-tabs__count {
  margin-left: auto;
  padding: 0 0.5rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.6;
}

.page-faq .faq-tabs__btn[aria-selected="true"] .faq-tabs__count {
  background: var(--gold);
  color: var(--space-blue);
}

.page-faq .faq-tabs__panels {
  padding: clamp(1.2rem, 3vw, 2.4rem);
  background: var(--light);
}

.page-faq .faq-tabs__panels [role="tabpanel"][hidden] {
  display: none;
}

.page-faq .faq-panel__title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
  font-size: clamp(1.2rem, 2.4vw, 1.5rem);
  font-weight: 800;
  color: var(--space-blue);
}

.page-faq .faq-panel__title::before {
  content: "";
  flex: 0 0 auto;
  width: 4px;
  height: 18px;
  background: var(--gold);
}

.page-faq .faq-accordion {
  display: grid;
  gap: 0.9rem;
}

.page-faq .faq-accordion__item {
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  background: #fff;
  box-shadow: 0 8px 22px rgba(16, 42, 76, 0.06);
  transition: box-shadow 0.3s ease;
}

.page-faq .faq-accordion__item[open] {
  box-shadow: 0 12px 30px rgba(11, 29, 58, 0.12);
}

.page-faq .faq-accordion__q {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 1rem 1.1rem;
  border-radius: 2px;
  list-style: none;
  color: var(--ink);
  font-weight: 700;
  cursor: pointer;
}

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

.page-faq .faq-accordion__q::after {
  content: "+";
  margin-left: auto;
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1;
  color: var(--gold);
  transition: transform 0.35s ease;
}

.page-faq .faq-accordion__item[open] .faq-accordion__q::after {
  transform: rotate(45deg);
}

.page-faq .faq-accordion__num {
  flex: 0 0 auto;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-faq .faq-accordion__text {
  flex: 1;
}

.page-faq .faq-accordion__a {
  padding: 0 1.2rem 1.1rem 3.2rem;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-accordion__a p + p {
  margin-top: 0.55rem;
}

.page-faq .faq-accordion__a .link-arrow {
  margin-top: 0.8rem;
}

/* 联系支持 */
.page-faq .faq-contact {
  position: relative;
  padding: clamp(3rem, 7vw, 5.5rem) 0;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(ellipse at 16% 80%, rgba(74, 144, 226, 0.18), transparent 55%),
    linear-gradient(135deg, var(--space-blue), #0a1830);
}

.page-faq .faq-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

.page-faq .faq-contact__lead {
  max-width: 55ch;
  margin-top: 0.5rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 1.6rem 0 0;
}

.page-faq .faq-contact__actions .btn-secondary {
  background: transparent;
  border-color: var(--gold);
  color: var(--gold-light);
}

.page-faq .faq-contact__actions .btn-secondary:hover {
  background: rgba(212, 175, 55, 0.14);
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.8rem;
}

.page-faq .faq-contact__item {
  padding: 1rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-left: 3px solid var(--gold);
  background: rgba(255, 255, 255, 0.05);
}

.page-faq .faq-contact__item-label {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.6);
}

.page-faq .faq-contact__item-value {
  display: inline-block;
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  word-break: break-all;
}

.page-faq .faq-contact__item a:hover {
  color: var(--gold-light);
}

.page-faq .faq-contact__item-note {
  margin-top: 0.4rem;
  font-size: 0.84rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.62);
}

.page-faq .faq-contact__media {
  position: relative;
}

.page-faq .faq-contact__frame {
  max-width: 380px;
  margin: 0 auto;
  aspect-ratio: 1 / 1;
  padding: 0.75rem;
  border: 2px solid var(--gold);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
}

.page-faq .faq-contact__img {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.page-faq .faq-contact__badge {
  position: absolute;
  right: 6%;
  bottom: 8%;
  padding: 0.8rem 1rem;
  border-radius: 2px;
  background: var(--orange);
  color: #fff;
  font-weight: 800;
  line-height: 1.3;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.page-faq .faq-contact__badge span {
  display: block;
}

/* 焦点可见性 */
.page-faq .faq-tabs__btn:focus-visible,
.page-faq .faq-accordion__q:focus-visible,
.page-faq .faq-hot__card:focus-visible,
.page-faq .faq-contact__item a:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 2px;
}

/* 桌面端布局 */
@media (min-width: 720px) {
  .page-faq .faq-hot__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 860px) {
  .page-faq .faq-tabs {
    grid-template-columns: var(--faq-sidebar-width) minmax(0, 1fr);
  }

  .page-faq .faq-tabs__sidebar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    padding: 1.2rem 0.9rem;
    overflow: visible;
    border-bottom: 0;
    border-right: 1px solid rgba(212, 175, 55, 0.24);
  }

  .page-faq .faq-tabs__caption {
    display: block;
    padding: 0.8rem 0.9rem 0.6rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    color: var(--gold);
    text-transform: uppercase;
  }

  .page-faq .faq-tabs__btn {
    width: 100%;
    padding: 0.9rem 0.9rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    gap: 2.25rem;
    align-items: end;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-hot__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-faq .faq-hot__card:nth-child(2),
  .page-faq .faq-hot__card:nth-child(4) {
    transform: translateY(18px);
  }

  .page-faq .faq-hot__card:nth-child(2):hover,
  .page-faq .faq-hot__card:nth-child(4):hover {
    transform: translateY(12px);
  }
}

/* 动效降级 */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hot__card,
  .page-faq .faq-accordion__q::after {
    transition: none !important;
  }

  .page-faq .faq-hero,
  .page-faq .faq-hot__card {
    transform: none !important;
  }
}