.page-faq {
  --faq-gap: clamp(18px, 3vw, 34px);
  --faq-rule: rgba(159, 184, 172, 0.2);
  --faq-body-text: rgba(244, 246, 241, 0.8);
  display: block;
  min-width: 0;
  color: var(--paper);
  background:
    radial-gradient(900px 520px at 92% -8%, rgba(42, 43, 107, 0.5), transparent 60%),
    radial-gradient(700px 480px at 4% 14%, rgba(21, 122, 90, 0.22), transparent 64%),
    var(--ink-900);
  overflow-x: hidden;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(26px, 4.5vw, 56px) clamp(30px, 5vw, 62px);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--volt), rgba(232, 255, 58, 0) 62%);
  opacity: 0.45;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

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

.page-faq .faq-hero h1 {
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: clamp(29px, 5vw, 48px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 0.35em 0 0.55em;
  transform: rotate(-0.8deg);
  transform-origin: left center;
  max-width: 18em;
}

.page-faq .faq-hero .eyebrow {
  color: var(--volt);
}

.page-faq .faq-hero .lead {
  font-size: clamp(15px, 1.7vw, 17.5px);
  line-height: 1.88;
  color: var(--faq-body-text);
  max-width: 40em;
  margin: 0;
}

.page-faq .faq-facts {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
}

.page-faq .faq-facts li {
  border-top: 2px solid var(--volt);
  padding-top: 10px;
  min-width: 0;
}

.page-faq .faq-facts__n {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.4vw, 25px);
  line-height: 1.1;
  color: var(--volt);
  letter-spacing: -0.02em;
}

.page-faq .faq-facts__u {
  font-size: 0.58em;
  margin-left: 3px;
  letter-spacing: 0;
}

.page-faq .faq-facts__t {
  display: block;
  margin-top: 5px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--mist);
}

.page-faq .faq-hero__art {
  position: relative;
  justify-self: center;
  width: 100%;
  max-width: 340px;
  padding: 14px;
  border: 1px solid var(--line-soft);
  border-radius: 26px 26px 26px 6px;
  background: linear-gradient(155deg, rgba(42, 43, 107, 0.7), rgba(6, 42, 34, 0.35));
}

.page-faq .faq-hero__art svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 主体骨架 ---------- */

.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 40px);
  padding-block: clamp(30px, 5vw, 58px) clamp(48px, 8vw, 96px);
}

/* ---------- 快速跳转 ---------- */

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

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-family: var(--font-narrow);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--volt);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

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

.page-faq .faq-index__list a {
  display: block;
  white-space: nowrap;
  padding: 8px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  color: var(--paper);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  border-color: var(--line-volt);
  color: var(--volt);
  transform: translateY(-2px);
}

.page-faq .faq-index__list a:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: 2px;
}

/* ---------- 内容流 ---------- */

.page-faq .faq-stream {
  display: flex;
  flex-direction: column;
  gap: clamp(36px, 5vw, 62px);
  min-width: 0;
}

.page-faq .faq-block {
  min-width: 0;
  scroll-margin-top: 84px;
}

.page-faq #faq-schedule { --acc: var(--volt); }
.page-faq #faq-clips { --acc: var(--caution); }
.page-faq #faq-cards { --acc: var(--eject); }
.page-faq #faq-column { --acc: var(--wine); }
.page-faq #faq-data { --acc: var(--turf-500); }
.page-faq #faq-contact { --acc: var(--indigo); }

.page-faq .faq-block__head {
  margin-bottom: clamp(18px, 2.6vw, 28px);
  max-width: 44em;
}

.page-faq .faq-block__no {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--acc, var(--volt));
  border: 1px solid var(--acc, var(--line-volt));
  border-radius: 3px;
  opacity: 0.95;
}

.page-faq .faq-block__title {
  margin: 0 0 10px;
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: clamp(23px, 3.2vw, 33px);
  line-height: 1.2;
  letter-spacing: -0.005em;
}

.page-faq .faq-block__title::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  margin-top: 12px;
  background: var(--acc, var(--volt));
}

.page-faq .faq-block__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 246, 241, 0.72);
  max-width: 36em;
}

.page-faq .faq-block__desc a {
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px solid var(--line-volt);
}

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

/* ---------- 问答卡片 ---------- */

.page-faq .qa-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .qa {
  border: 1px solid var(--line-soft);
  border-inline-start: 3px solid rgba(159, 184, 172, 0.3);
  border-radius: 4px 18px 18px 4px;
  background: linear-gradient(118deg, rgba(12, 63, 51, 0.92), rgba(6, 42, 34, 0.72));
  transition: border-color 0.22s ease, background 0.22s ease;
}

.page-faq .qa:hover {
  border-inline-start-color: var(--acc, var(--volt));
}

.page-faq .qa[open] {
  border-inline-start-color: var(--acc, var(--volt));
  background: linear-gradient(118deg, rgba(12, 63, 51, 1), rgba(6, 42, 34, 0.88));
  box-shadow: 0 0 0 1px rgba(232, 255, 58, 0.12);
}

.page-faq .qa__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  padding: 15px clamp(14px, 2vw, 22px);
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--paper);
}

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

.page-faq .qa__head:hover .qa__q {
  color: var(--volt);
}

.page-faq .qa__head:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: -4px;
  border-radius: 4px 18px 18px 4px;
}

.page-faq .qa__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--acc, var(--volt));
}

.page-faq .qa__q {
  min-width: 0;
  transition: color 0.2s ease;
}

.page-faq .qa__chev {
  align-self: center;
  width: 8px;
  height: 8px;
  margin-top: -4px;
  border-right: 2px solid var(--acc, var(--volt));
  border-bottom: 2px solid var(--acc, var(--volt));
  transform: rotate(45deg);
  transition: transform 0.22s ease, margin 0.22s ease;
}

.page-faq .qa[open] .qa__chev {
  transform: rotate(-135deg);
  margin-top: 4px;
}

.page-faq .qa__body {
  padding: 0 clamp(14px, 2vw, 22px) 20px;
  max-width: 44em;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--faq-body-text);
  animation: faqBodyIn 0.24s ease both;
}

.page-faq .qa__body p {
  margin: 0 0 0.75em;
}

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

.page-faq .qa__body a {
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px solid var(--line-volt);
}

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

.page-faq .qa__steps {
  margin: 0.5em 0 0.9em;
  padding-inline-start: 1.35em;
}

.page-faq .qa__steps li {
  margin-bottom: 0.4em;
  padding-inline-start: 0.15em;
}

.page-faq .qa__steps li::marker {
  color: var(--acc, var(--volt));
  font-family: var(--font-mono);
}

@keyframes faqBodyIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 三步操作 ---------- */

.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 clamp(22px, 3vw, 30px);
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-steps li {
  position: relative;
  padding: 18px 16px 16px;
  border: 1px solid var(--line-soft);
  border-radius: 4px 16px 16px 16px;
  background: rgba(12, 63, 51, 0.75);
}

.page-faq .faq-steps__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 25px;
  line-height: 1;
  color: var(--caution);
}

.page-faq .faq-steps__t {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-steps__d {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 配图 ---------- */

.page-faq .faq-figure {
  margin: 0 0 clamp(22px, 3vw, 32px);
}

.page-faq .faq-figure .media {
  border-radius: 6px 22px 22px 22px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: rgba(6, 42, 34, 0.6);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05) brightness(0.92);
}

.page-faq .faq-figure--wide img {
  aspect-ratio: 14 / 9;
}

.page-faq .faq-figure--inset img {
  aspect-ratio: 4 / 3;
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 40em;
}

/* ---------- 联系卡片 ---------- */

.page-faq .faq-contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid rgba(42, 43, 107, 0.9);
  border-radius: 6px 26px 26px 26px;
  background: linear-gradient(140deg, rgba(42, 43, 107, 0.62), rgba(6, 42, 34, 0.85));
}

.page-faq .faq-contact-item {
  min-width: 0;
  border-top: 1px solid var(--line-soft);
  padding-top: 14px;
}

.page-faq .faq-contact-item__label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-faq .faq-contact-item__value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.5;
  color: var(--paper);
  word-break: break-all;
  overflow-wrap: anywhere;
}

.page-faq .faq-contact-item__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--faq-body-text);
}

.page-faq .faq-top {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 22px;
  padding-bottom: 2px;
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-top:hover,
.page-faq .faq-top:focus-visible {
  color: var(--volt);
  border-bottom-color: var(--line-volt);
}

.page-faq .faq-top:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 40em) {
  .page-faq .faq-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-figure--inset {
    max-width: 68%;
    margin-inline-start: auto;
  }
}

@media (min-width: 48em) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-faq .faq-contact-card {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 26px;
  }
}

@media (min-width: 56em) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 56px);
  }

  .page-faq .faq-hero__art {
    justify-self: end;
    max-width: 380px;
  }
}

@media (min-width: 62em) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) 208px;
    grid-template-areas: "stream index";
    gap: clamp(32px, 3.6vw, 52px);
  }

  .page-faq .faq-stream {
    grid-area: stream;
  }

  .page-faq .faq-index {
    grid-area: index;
    position: sticky;
    top: 28px;
    align-self: start;
  }

  .page-faq .faq-index__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
    border-inline-start: 2px solid rgba(159, 184, 172, 0.22);
  }

  .page-faq .faq-index__list li {
    display: block;
  }

  .page-faq .faq-index__list a {
    padding: 9px 0 9px 14px;
    margin-inline-start: -2px;
    border: 0;
    border-inline-start: 2px solid transparent;
    border-radius: 0;
    white-space: normal;
    font-size: 13.5px;
    line-height: 1.55;
    color: var(--mist);
  }

  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    border-inline-start-color: var(--volt);
    color: var(--volt);
    transform: none;
  }

  .page-faq .qa:nth-child(even) {
    margin-inline-start: 20px;
  }
}

@media (min-width: 78em) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) 224px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .qa__chev,
  .page-faq .faq-index__list a,
  .page-faq .faq-top {
    transition: none;
  }

  .page-faq .qa__body {
    animation: none;
  }

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

  .page-faq .faq-hero h1 {
    transform: none;
  }
}