.page-faq {
  --faq-accent: var(--kt-orange);
  --faq-line: var(--kt-line);
  display: block;
  overflow-x: clip;
}

.page-faq .kt-crumbs {
  padding: 18px 0 6px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(34px, 5vw, 58px);
  border-bottom: 2px solid var(--faq-line);
  background-color: var(--kt-void);
  background-image:
    radial-gradient(circle at 14% 22%, rgba(41, 240, 208, 0.13), transparent 46%),
    radial-gradient(circle at 88% 82%, rgba(255, 107, 44, 0.12), transparent 44%),
    repeating-linear-gradient(90deg, rgba(30, 58, 95, 0.5) 0 1px, transparent 1px 78px),
    repeating-linear-gradient(0deg, rgba(30, 58, 95, 0.5) 0 1px, transparent 1px 78px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  align-items: start;
}

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

.page-faq .faq-hero .kt-display {
  display: block;
  margin: 10px 0 16px;
  font-size: clamp(2.05rem, 6.6vw, 4rem);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--kt-ice);
}

.page-faq .faq-hero .kt-display__strong {
  display: block;
  font-weight: 800;
  color: var(--kt-cyan);
}

.page-faq .faq-hero__lede {
  max-width: 62ch;
  margin: 0;
  color: var(--kt-mute);
  font-size: 0.98rem;
  line-height: 1.78;
}

.page-faq .faq-hero__stat {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 3px solid var(--kt-orange);
  color: var(--kt-ice);
  font-size: 0.86rem;
  line-height: 1.7;
  letter-spacing: 0.02em;
}

.page-faq .faq-hero__stat .kt-mono {
  color: var(--kt-orange-soft);
  font-size: 1rem;
  font-weight: 700;
}

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

.page-faq .faq-hero__panel {
  min-width: 0;
  padding: 20px 22px 24px;
  border: 2px solid var(--faq-line);
  border-left: 8px solid var(--kt-orange);
  background: var(--kt-board);
  box-shadow: var(--kt-hard-lg);
}

.page-faq .faq-clock {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 8px 0 10px;
}

.page-faq .faq-clock__num {
  font-size: clamp(2.6rem, 9vw, 3.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--kt-cyan);
  text-shadow: 0 0 20px rgba(41, 240, 208, 0.35);
}

.page-faq .faq-clock__unit {
  color: var(--kt-mute);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
}

.page-faq .faq-hero__note {
  margin: 0;
  color: var(--kt-mute);
  font-size: 0.84rem;
  line-height: 1.72;
}

/* ---------- 类别索引带 ---------- */
.page-faq .faq-index {
  border-bottom: 2px solid var(--faq-line);
  background: var(--kt-carbon);
}

.page-faq .faq-index__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  padding: 10px 0;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid transparent;
  color: var(--kt-mute);
  font-size: 0.82rem;
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-faq .faq-index__link .kt-mono {
  color: var(--kt-cyan);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--kt-ice);
  border-color: var(--kt-orange);
  background: rgba(255, 107, 44, 0.09);
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-sec {
  scroll-margin-top: 96px;
  border-bottom: 1px solid rgba(30, 58, 95, 0.55);
}

.page-faq .faq-sec .kt-sechead {
  display: grid;
  gap: 6px;
  margin-bottom: clamp(18px, 2.4vw, 28px);
  padding-left: 16px;
  border-left: 6px solid var(--kt-cyan);
}

.page-faq .faq-sec--filter .kt-sechead,
.page-faq .faq-sec--account .kt-sechead {
  border-left-color: var(--kt-orange);
}

.page-faq .faq-sec--sym .kt-sechead,
.page-faq .faq-sec--contact .kt-sechead {
  border-left-color: var(--kt-line);
}

.page-faq .kt-sechead__index {
  color: var(--kt-cyan);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
}

.page-faq .faq-sec .kt-sechead__title {
  margin: 0;
  color: var(--kt-ice);
  font-size: clamp(1.32rem, 3.6vw, 1.95rem);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
}

.page-faq .kt-sechead__note {
  margin: 0;
  color: var(--kt-mute);
  font-size: 0.86rem;
  line-height: 1.7;
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-cols {
  display: grid;
  gap: 14px;
}

.page-faq .faq-item {
  min-width: 0;
  border: 2px solid var(--faq-line);
  border-left: 8px solid var(--faq-accent);
  background: var(--kt-board);
  box-shadow: var(--kt-hard);
  transition: transform 0.16s ease, border-color 0.16s ease;
}

.page-faq .faq-item--a {
  --faq-accent: var(--kt-orange);
}

.page-faq .faq-item--b {
  --faq-accent: var(--kt-cyan);
}

.page-faq .faq-item[open] {
  border-left-color: var(--kt-cyan);
}

.page-faq .faq-item:hover {
  transform: translateY(-2px);
  border-color: var(--kt-cyan);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  color: var(--kt-ice);
  font-size: 0.96rem;
  font-weight: 600;
  line-height: 1.55;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--kt-orange);
  outline-offset: -3px;
}

.page-faq .faq-item__mark {
  flex: none;
  margin-top: 2px;
  padding: 2px 6px;
  border: 1px solid currentColor;
  color: var(--faq-accent);
  font-size: 0.68rem;
  line-height: 1.25;
  letter-spacing: 0.08em;
}

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

.page-faq .faq-item__body {
  padding: 4px 18px 18px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-steps {
  counter-reset: faqstep;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: faqstep;
  padding: 0 0 14px 36px;
  color: var(--kt-mute);
  font-size: 0.89rem;
  line-height: 1.72;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  top: 2px;
  left: 0;
  width: 24px;
  padding-right: 4px;
  background: var(--kt-board);
  color: var(--kt-cyan);
  font-family: var(--kt-font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
}

.page-faq .faq-steps::after {
  content: "";
  position: absolute;
  top: 12px;
  bottom: 14px;
  left: 10px;
  width: 1px;
  background: var(--faq-line);
  z-index: 0;
}

.page-faq .faq-steps li::before {
  z-index: 1;
}

.page-faq .faq-steps a {
  color: var(--kt-orange-soft);
  text-decoration: underline;
  text-decoration-color: rgba(255, 161, 102, 0.5);
  text-underline-offset: 3px;
}

.page-faq .faq-steps a:hover,
.page-faq .faq-steps a:focus-visible {
  color: var(--kt-ice);
}

.page-faq .faq-item__tip {
  margin: 4px 0 0;
  padding: 10px 13px;
  border-left: 3px solid var(--kt-orange-soft);
  background: rgba(255, 107, 44, 0.08);
  color: var(--kt-mute);
  font-size: 0.83rem;
  line-height: 1.68;
}

/* ---------- 图像 ---------- */
.page-faq .faq-figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 2px solid var(--faq-line);
  background: var(--kt-board);
}

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

.page-faq .faq-figure .kt-figure__cap {
  margin-top: 10px;
  color: var(--kt-mute);
  font-size: 0.8rem;
  line-height: 1.65;
}

/* ---------- 症状对照 ---------- */
.page-faq .faq-sym {
  border: 2px solid var(--faq-line);
  background: var(--kt-board);
  box-shadow: var(--kt-hard-lg);
}

.page-faq .faq-sym__head,
.page-faq .faq-sym__row {
  display: grid;
  gap: 0;
  padding: 14px 16px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-sym__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-sym__head {
  background: var(--kt-carbon);
}

.page-faq .faq-sym__key {
  margin: 0;
  color: var(--kt-orange-soft);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.6;
}

.page-faq .faq-sym__head .faq-sym__key {
  color: var(--kt-cyan);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
}

.page-faq .faq-sym__val {
  margin: 6px 0 0;
  color: var(--kt-mute);
  font-size: 0.86rem;
  line-height: 1.72;
}

.page-faq .faq-sym__head .faq-sym__val {
  margin: 6px 0 0;
  color: var(--kt-mute);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-sec--contact {
  border-bottom: 0;
}

.page-faq .faq-support {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-faq .faq-support__title {
  margin: 10px 0 14px;
  color: var(--kt-ice);
  font-size: clamp(1.5rem, 4.4vw, 2.3rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.page-faq .faq-support__text {
  max-width: 58ch;
  margin: 0 0 12px;
  color: var(--kt-mute);
  font-size: 0.92rem;
  line-height: 1.78;
}

.page-faq .faq-support__box {
  min-width: 0;
  padding: 22px 22px 24px;
  border: 2px solid var(--faq-line);
  border-top: 8px solid var(--kt-orange);
  background: var(--kt-board);
  box-shadow: var(--kt-hard-lg);
}

.page-faq .faq-support__label {
  margin: 0 0 12px;
  color: var(--kt-cyan);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}

.page-faq .faq-support__list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-support__list li {
  position: relative;
  padding: 7px 0 7px 18px;
  border-bottom: 1px solid rgba(30, 58, 95, 0.7);
  color: var(--kt-ice);
  font-size: 0.86rem;
  line-height: 1.6;
}

.page-faq .faq-support__list li::before {
  content: "";
  position: absolute;
  top: 15px;
  left: 0;
  width: 8px;
  height: 2px;
  background: var(--kt-orange);
}

.page-faq .faq-support__mail {
  margin: 0 0 6px;
  font-family: var(--kt-font-mono);
  font-size: 0.92rem;
  word-break: break-all;
}

.page-faq .faq-support__mail a {
  color: var(--kt-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(41, 240, 208, 0.45);
}

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

.page-faq .faq-support__meta {
  margin: 0 0 18px;
  color: var(--kt-mute);
  font-size: 0.82rem;
  line-height: 1.65;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-sym__head,
  .page-faq .faq-sym__row {
    grid-template-columns: minmax(190px, 0.85fr) minmax(0, 1.6fr);
    gap: 20px;
    padding: 15px 20px;
  }

  .page-faq .faq-sym__val {
    margin-top: 0;
  }

  .page-faq .faq-sym__head .faq-sym__val {
    margin-top: 0;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-support {
    grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.85fr);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(300px, 0.85fr);
  }

  .page-faq .faq-hero__panel {
    margin-top: 34px;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-index__link {
    padding: 7px 10px;
    font-size: 0.78rem;
  }

  .page-faq .faq-item__q {
    padding: 14px 14px;
    font-size: 0.92rem;
  }

  .page-faq .faq-item__body {
    padding: 4px 14px 16px;
  }

  .page-faq .faq-steps li {
    padding-left: 30px;
    font-size: 0.86rem;
  }

  .page-faq .faq-support__box {
    padding: 18px 16px 20px;
  }
}