.page-faq {
  --faq-index-w: 250px;
  --faq-gap: clamp(22px, 3.2vw, 46px);
  --faq-chamfer: 14px;
  background: var(--ink-void);
  color: var(--mist);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq .faq-group,
.page-faq .faq-contact {
  scroll-margin-top: 96px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(24px, 4vw, 48px) 0 clamp(34px, 5vw, 66px);
  border-bottom: 1px solid var(--ink-circuit);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(58% 68% at 84% 16%, rgba(0, 229, 255, 0.17), transparent 70%),
    radial-gradient(52% 60% at 8% 92%, rgba(255, 94, 58, 0.13), transparent 72%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--holo);
  opacity: 0.45;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  gap: var(--faq-gap);
  align-items: center;
}

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

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 14px;
  font-size: 13px;
}

.page-faq .faq-hero .eyebrow {
  margin: 0;
}

.page-faq h1 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.2;
  letter-spacing: 0.02em;
  background: linear-gradient(102deg, var(--cyan) 0%, var(--mist) 68%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-faq .faq-hero__lead {
  margin: 0 0 24px;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--cold);
}

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

.page-faq .faq-hero__visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--ink-circuit);
  background: var(--ink-panel);
  overflow: hidden;
  clip-path: polygon(var(--faq-chamfer) 0, 100% 0, 100% calc(100% - var(--faq-chamfer)), calc(100% - var(--faq-chamfer)) 100%, 0 100%, 0 var(--faq-chamfer));
}

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

.page-faq .faq-hero__visual::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  top: 0;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.55;
  animation: faq-sweep 6s linear infinite;
  pointer-events: none;
}

@keyframes faq-sweep {
  0% { transform: translateY(0); }
  100% { transform: translateY(560px); }
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  padding: clamp(30px, 4.2vw, 58px) 0 clamp(36px, 4.6vw, 64px);
}

.page-faq .faq-body__inner {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

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

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-family: var(--font-tech);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--lead);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__list li {
  flex: 0 0 auto;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 12px;
  border-left: 2px solid transparent;
  border-radius: 0 8px 8px 0;
  color: var(--cold);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(0, 229, 255, 0.07);
}

.page-faq .faq-index__num {
  font-family: var(--font-tech);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-index__count {
  font-family: var(--font-tech);
  font-size: 11px;
  color: var(--lead);
  padding: 1px 5px;
  border: 1px solid var(--ink-circuit);
}

.page-faq .faq-index__note {
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid var(--ink-circuit);
  border-left: 2px solid var(--lava);
  background: var(--ink-panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
}

.page-faq .faq-index__note p {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--cold);
}

.page-faq .faq-index__note a {
  font-size: 13px;
  color: var(--lava);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 94, 58, 0.5);
}

.page-faq .faq-index__note a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 分组标题 ---------- */
.page-faq .faq-stream {
  min-width: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(30px, 4vw, 48px);
}

.page-faq .faq-group__title {
  position: relative;
  margin: 0 0 18px;
  padding-bottom: 12px;
  font-family: var(--font-tech);
  font-size: clamp(16px, 2vw, 20px);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-group__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 92px;
  height: 2px;
  background: var(--holo);
  transform: skewX(-12deg);
  transform-origin: left center;
}

/* ---------- 快速三卡 ---------- */
.page-faq .faq-quick {
  display: grid;
  gap: 12px;
}

.page-faq .faq-quick__card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 18px 16px 20px;
  border: 1px solid var(--ink-circuit);
  background: var(--ink-panel);
  color: inherit;
  text-decoration: none;
  clip-path: polygon(var(--faq-chamfer) 0, 100% 0, 100% calc(100% - var(--faq-chamfer)), calc(100% - var(--faq-chamfer)) 100%, 0 100%, 0 var(--faq-chamfer));
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-quick__card:hover,
.page-faq .faq-quick__card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: linear-gradient(160deg, rgba(0, 229, 255, 0.1), var(--ink-panel) 62%);
}

.page-faq .faq-quick__q {
  font-size: 17px;
  font-weight: 500;
  color: var(--mist);
}

.page-faq .faq-quick__a {
  font-size: 14px;
  line-height: 1.75;
  color: var(--cold);
}

.page-faq .faq-quick__go {
  margin-top: auto;
  font-family: var(--font-tech);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--ink-circuit);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--ink-circuit);
}

.page-faq .faq-item__q {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 40px 16px 14px;
  border-left: 2px solid transparent;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--mist);
  cursor: pointer;
  list-style: none;
  transition: color 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease);
}

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

.page-faq .faq-item__q:hover {
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.05);
}

.page-faq .faq-item[open] > .faq-item__q {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, rgba(0, 229, 255, 0.12), transparent 72%);
}

.page-faq .faq-item__num {
  flex: 0 0 auto;
  font-family: var(--font-tech);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--lead);
}

.page-faq .faq-item__num::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--lime);
  vertical-align: middle;
}

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-tech);
  font-size: 16px;
  color: var(--lime);
}

.page-faq .faq-item[open] > .faq-item__q::after {
  content: "−";
  color: var(--cyan);
}

.page-faq .faq-item__a {
  position: relative;
  overflow: hidden;
  padding: 2px 20px 20px 30px;
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--cold);
}

.page-faq .faq-item[open] .faq-item__a::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(105deg, transparent 38%, rgba(0, 229, 255, 0.2) 50%, transparent 62%);
  animation: faq-scan 0.6s var(--ease) 1;
}

@keyframes faq-scan {
  from { transform: translateX(-100%); }
  to { transform: translateX(100%); }
}

/* ---------- 客服区 ---------- */
.page-faq .faq-contact {
  position: relative;
  padding: clamp(34px, 4.6vw, 62px) 0 clamp(38px, 5vw, 68px);
  border-top: 1px solid var(--ink-circuit);
  background:
    radial-gradient(46% 70% at 88% 8%, rgba(255, 94, 58, 0.14), transparent 70%),
    var(--ink-void);
}

.page-faq .faq-contact__inner {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

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

.page-faq .faq-contact__panel .eyebrow {
  margin: 0 0 10px;
}

.page-faq .faq-contact__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.32;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-faq .faq-contact__lead {
  margin: 0 0 16px;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--cold);
}

.page-faq .faq-tickets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-tickets li {
  padding: 6px 10px;
  border: 1px solid var(--ink-circuit);
  background: var(--ink-panel);
  color: var(--cold);
  font-family: var(--font-tech);
  font-size: 12px;
  letter-spacing: 0.04em;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.page-faq .faq-contact__tip {
  margin: 0 0 20px;
  padding: 12px 14px;
  border-left: 2px solid var(--lava);
  background: rgba(255, 94, 58, 0.08);
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-contact__rows {
  display: grid;
  gap: 2px;
  margin: 0 0 24px;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px dashed var(--ink-circuit);
}

.page-faq .faq-contact__label {
  flex: 0 0 auto;
  min-width: 72px;
  font-family: var(--font-tech);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-contact__value {
  color: var(--mist);
  font-size: 15px;
  word-break: break-word;
}

.page-faq .faq-contact__figure {
  margin: 0;
  border: 1px solid var(--ink-circuit);
  background: var(--ink-panel);
  overflow: hidden;
  clip-path: polygon(var(--faq-chamfer) 0, 100% 0, 100% calc(100% - var(--faq-chamfer)), calc(100% - var(--faq-chamfer)) 100%, 0 100%, 0 var(--faq-chamfer));
}

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

.page-faq .faq-contact__figure .media-frame__caption {
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--lead);
  border-top: 1px solid var(--ink-circuit);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: 1.06fr 0.94fr;
  }

  .page-faq .faq-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body__inner {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: clamp(28px, 3.6vw, 56px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-index__list {
    display: block;
    overflow: visible;
  }

  .page-faq .faq-index__list li + li {
    margin-top: 4px;
  }

  .page-faq .faq-index__list a {
    white-space: normal;
  }

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

  .page-faq .faq-index__count {
    margin-left: auto;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-contact__inner {
    grid-template-columns: 1.12fr 0.88fr;
    gap: clamp(28px, 4vw, 60px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero__visual::after {
    animation: none;
    opacity: 0.2;
  }

  .page-faq .faq-item[open] .faq-item__a::after {
    animation: none;
    background: none;
  }

  .page-faq .faq-quick__card,
  .page-faq .faq-index__list a,
  .page-faq .faq-item__q {
    transition: none;
  }

  .page-faq .faq-quick__card:hover,
  .page-faq .faq-quick__card:focus-visible {
    transform: none;
  }
}