.page-faq {
  --faq-pad: clamp(18px, 4vw, 40px);
  background-color: var(--space-blue);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: clip;
  padding-bottom: clamp(40px, 6vw, 72px);
}

.page-faq .mono,
.page-faq .faq-time {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.page-faq .faq-time {
  color: var(--cyan);
  font-weight: 700;
}

.page-faq .breadcrumb {
  padding-top: 18px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(26px, 4vw, 46px) 0 clamp(30px, 4vw, 52px);
  border-bottom: var(--line);
  background-image:
    linear-gradient(155deg, rgba(22, 74, 138, 0.5), rgba(6, 20, 40, 0) 62%),
    repeating-linear-gradient(90deg, rgba(22, 74, 138, 0.34) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(22, 74, 138, 0.2) 0 1px, transparent 1px 72px);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 16px;
  font-size: clamp(28px, 6vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--paper);
}

.page-faq .faq-hero__text {
  margin: 0;
  max-width: 46ch;
  color: var(--mist);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.75;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-hero__media {
  position: relative;
  border: var(--line);
  box-shadow: var(--shadow-hard);
  background: var(--night-blue);
  margin: 0;
}

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

.page-faq .faq-hero__tag {
  position: absolute;
  left: -2px;
  bottom: -2px;
  padding: 7px 12px;
  background: var(--space-blue);
  border: var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: 7fr 5fr;
    align-items: center;
  }

  .page-faq .faq-hero__media {
    margin-top: 28px;
  }
}

/* ---------- 三步流程条 ---------- */
.page-faq .faq-flow {
  background: var(--night-blue);
  border-bottom: var(--line);
  padding: clamp(24px, 4vw, 40px) 0 clamp(28px, 4vw, 44px);
}

.page-faq .faq-flow__head {
  margin-bottom: 22px;
}

.page-faq .faq-flow__head h2 {
  margin: 10px 0 0;
  font-size: clamp(20px, 3vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-flow__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: var(--line);
}

.page-faq .faq-flow__step {
  position: relative;
  padding: 26px 18px 24px;
  border-bottom: var(--line-soft);
}

.page-faq .faq-flow__step::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 18px;
  width: 10px;
  height: 10px;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(59, 240, 220, 0.16);
}

.page-faq .faq-flow__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin-bottom: 8px;
}

.page-faq .faq-flow__step h3 {
  margin: 0 0 8px;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.35;
  color: var(--paper);
}

.page-faq .faq-flow__step p {
  margin: 0;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.75;
}

@media (min-width: 760px) {
  .page-faq .faq-flow__list {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-flow__step {
    border-bottom: 0;
    border-left: var(--line);
    padding: 30px 22px 22px;
  }

  .page-faq .faq-flow__step:first-child {
    border-left: 0;
  }

  .page-faq .faq-flow__step::before {
    left: 22px;
  }
}

/* ---------- 主体：索引 + 折叠问答 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(28px, 4vw, 48px);
}

.page-faq .faq-index {
  border: var(--line);
  background: var(--night-blue);
  padding: 16px 16px 20px;
  align-self: start;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  color: var(--mist);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 10px;
  color: var(--mist);
  text-decoration: none;
  font-size: 14.5px;
  border-left: 3px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-faq .faq-index__list a span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--arena-blue);
  transition: color 0.18s var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--paper);
  border-left-color: var(--cyan);
  background: rgba(22, 74, 138, 0.4);
  outline: none;
}

.page-faq .faq-index__list a:hover span,
.page-faq .faq-index__list a:focus-visible span {
  color: var(--cyan);
}

.page-faq .faq-index__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: var(--line-soft);
  color: var(--mist);
  font-size: 13px;
  line-height: 1.7;
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 4fr 8fr;
    align-items: start;
  }

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

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

.page-faq .faq-group__head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: var(--line);
}

.page-faq .faq-group__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
  padding-top: 6px;
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-size: clamp(20px, 2.8vw, 28px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-group__note {
  margin: 8px 0 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border: 2px solid var(--arena-blue);
  background: rgba(12, 37, 69, 0.78);
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-faq .qa + .qa {
  margin-top: 10px;
}

.page-faq .qa:hover {
  border-color: rgba(59, 240, 220, 0.55);
}

.page-faq .qa[open] {
  border-color: var(--cyan);
  transform: translateX(4px);
}

.page-faq .qa__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
}

.page-faq .qa__q {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .qa__title {
  flex: 1 1 auto;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.45;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .qa__sign {
  position: relative;
  flex: 0 0 14px;
  width: 14px;
  height: 14px;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  background: var(--cyan);
}

.page-faq .qa__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .qa__sign::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
  transition: transform 0.18s var(--ease);
}

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

.page-faq .qa__body {
  display: grid;
  gap: 12px;
  padding: 14px 16px 18px;
  border-top: var(--line-soft);
}

.page-faq .qa__row {
  display: grid;
  gap: 4px;
}

.page-faq .qa__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
  padding-top: 2px;
}

.page-faq .qa__row p {
  margin: 0;
  color: rgba(244, 248, 255, 0.88);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .qa__steps {
  margin: 0;
  padding-left: 20px;
  color: rgba(244, 248, 255, 0.88);
  font-size: 15px;
  line-height: 1.8;
}

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

.page-faq .qa__row--esc .qa__k {
  color: var(--orange);
}

.page-faq .qa__row--esc p {
  color: var(--paper);
}

@media (min-width: 640px) {
  .page-faq .qa__row {
    grid-template-columns: 88px 1fr;
    gap: 14px;
    align-items: start;
  }

  .page-faq .qa__summary {
    padding: 16px 20px;
  }

  .page-faq .qa__body {
    padding: 16px 20px 22px;
  }
}

/* ---------- 转人工 ---------- */
.page-faq .faq-human__grid {
  display: grid;
  gap: clamp(20px, 3vw, 28px);
}

.page-faq .faq-human__lead {
  margin: 0 0 12px;
  color: var(--paper);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-human__items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-human__items li {
  position: relative;
  padding: 10px 12px 10px 26px;
  border-left: 3px solid var(--arena-blue);
  background: rgba(12, 37, 69, 0.6);
  color: rgba(244, 248, 255, 0.9);
  font-size: 14.5px;
  line-height: 1.65;
}

.page-faq .faq-human__items li::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 19px;
  width: 6px;
  height: 6px;
  background: var(--orange);
}

.page-faq .faq-contact__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: var(--line);
  background: var(--night-blue);
  padding: 12px 14px;
}

.page-faq .faq-contact__item + .faq-contact__item {
  margin-top: 8px;
}

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-faq .faq-contact__value {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
  word-break: break-all;
}

.page-faq .faq-contact__note {
  margin: 12px 0 0;
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.7;
}

.page-faq .faq-contact__item .copy {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  background: transparent;
  border: 2px solid var(--arena-blue);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.04em;
  cursor: pointer;
  word-break: break-all;
  text-align: left;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-faq .faq-contact__item .copy:hover,
.page-faq .faq-contact__item .copy:focus-visible {
  border-color: var(--cyan);
  background: rgba(22, 74, 138, 0.4);
  outline: none;
}

.page-faq .faq-contact__item .copy__hint {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-faq .faq-contact__item .copy[data-copied="true"] .copy__hint {
  color: var(--orange);
}

.page-faq .faq-human__media {
  margin-top: 18px;
  border: var(--line);
  box-shadow: var(--shadow-mid);
  background: var(--night-blue);
}

.page-faq .faq-human__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  max-width: 100%;
}

.page-faq .faq-human__more {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: var(--line-soft);
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
}

.page-faq .faq-human__more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 240, 220, 0.45);
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-human__more a:hover,
.page-faq .faq-human__more a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

@media (min-width: 860px) {
  .page-faq .faq-human__grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-faq .faq-human__media {
    margin-top: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}